TH367
Guarantee Repair
Six Months
4m~5m
H22*108mm
34mm~45mm
556mm~670mm
18kg~26.5kg
Taihang
as Per Request
customized
China
Product Description
HY18/HY20/YT27/YT28/YT29 Industry Air Leg Pneumatic Rock Drill for Mining
Rock Drill used for the development of small quarries, small mining operations such as coal mines and limestone mines, rock drilling and blasting in mountain road construction, and farmland water conservancy construction.
1.Small size, light weight, less air consumption;
2.Hand, air leg type rock drill used.Example of YT29A
Application:
YT29A rock drill has a wide range to cover all construction,tunneling and mining applications in different rock formations.
Product Features:
1.Pusher leg rock drill YT29A is a heavy pusher leg rock drill,it has high efficiency,low power characteristics,YT29A rock drill is suitable for medium level hard and hard rock in the (f=8-18)level for tilt-hole drilling and bolt up drilling.It can also applied with FT160A (or FT160B,160C)pusher leg and drill rig for drilling work.
2.Operation more comfortable:the impact of the best match with the frequency of operation to achieve stability,amplitude 30%less than similar products.
3.High cost performance:the core component of the special materials achieves high efficiency and low loss.
Rock drill skills
1) When the rock drill is in use, the compressed air at the air inlet of the rock drill is required to be dry, and the wind pressure should be kept at 500kPa, with a minimum of 400kPa; it is required to use clean soft water. When acidic or alkaline water is used as a last resort, some lubricating oil should be injected immediately after the rock drill is finished, and the water should be turned off and run for a while.
2) When using a new machine, it must be cleaned and reinstalled. After the reinstallation, the empty car must be driven to check whether the operation is normal. However, the empty time should not exceed 2~3 minutes. If the time is too long, the temperature in the air cushion area of the cylinder will be too high, which will easily cause cylinder grinding.
3) Do a good job in pipeline cleaning and routine disassembly and maintenance, so that the machine is always in good working condition, and you should always pay attention to adding lubricating oil, and oil-free operation is strictly prohibited.
4) In operation, attention should be paid to turn on the wind first, then turn on the water, turn off the water first, then turn off the wind, and pay attention to the water pressure should be lower than the wind pressure, so as to prevent the water from flowing back into the cylinder of the rock drill, which will damage the normal lubrication of the machine and affect the normal operation of the machine.
5) When the fiber clamp of the rock drill rotates very slowly, the axial retreat force of the air leg should be reduced immediately through the pressure regulating valve. If the fiber rod does not rotate and the axial thrust of the air leg is reduced, stop rock drilling immediately, and start rock drilling after eliminating the fiber stuck fault.
Rock drill skills
6) Always observe the powder discharge of the machine. The air leg rock drill is not allowed to remove the water needle for operation or dry the eye.
7) When the telescopic rock drill is working upwards, pay attention that the magma flowing down the drill must not be close to the fiber sleeve, and the distance between them must be at least 20mm, otherwise, the blowing force is insufficient. At this time, check whether the blowing holes on the fiber sleeve are unobstructed according to the procedure.
8) When the telescopic rock drill is working upwards, in addition to observing the safety techniques of general rock drilling work, special attention should be paid to the sudden breakage of the drill bit to prevent work-related accidents, and it is strictly forbidden to idle at full speed for a long time, and a trolley should be used when pulling fibers.
9) After the work is completed, close the water valve and let the rock drill run dry for a short time with a small wind to remove accumulated water and prevent corrosion.
10) For guide rail rock drills, after finishing a fiber, the wind should be stopped, and then reversed to unload the fiber tail. When reversing and unloading fibers, a small wind should be turned on. If it is changed from forward to reverse immediately, due to inertia, a large impact will be generated, which will reduce the service life of the screw rod of the rotary claw.
11) When rock drilling or stop using for a long time, it should be disassembled and cleaned in time, coated with anti-rust oil, and stored in a dry place.
| NO. | Part number | Part Name | QTY | NO. | Part number | Part Name | QTY |
| 1 | YT28A.8060.1-02 | Inner ratchet | 1 | 37 | YT24.3-10 | snap ring | 1 |
| 2 | YT28A.8060.1-03 | Valve cabinet | 1 | 38 | HY28.3-11 | Tracheal elbow | 1 |
| 3 | YT28A.8060.1-05 | Valve sleeve | 1 | 39 | YT24.3-12 | trigger | 1 |
| 4 | YT28A.8060.1-10 | Nut | 1 | 40 | YT24.3-15 | Directional valve | 1 |
| 5 | YT28A.8060.1-09A | piston | 1 | 41 | YT24.3-16 | Reset spring | 1 |
| 6 | YT28A.8060.1-07 | cylinder | 1 | 42 | YT24.3-18 | Inlet elbow | 1 |
| 7 | YT28A.8060.1-08 | Guiding body | 1 | 43 | Y18.3-5 | snap ring | 1 |
| 8 | YT28A.8060.1-06 | Silencing Cover | 1 | 44 | YT24.3-22 | Fastening pin | 1 |
| 9 | YT28A.8060.1-11 | Guide sleeve | 1 | 45 | YT24.3-23 | Water injection valve body | 1 |
| 10 | YT28A.8060.1-04 | valve | 1 | 46 | Y24.2-24 | Water injection valve snap ring | 1 |
| 11 | YT28A.8060.1-12 | pin | 1 | 47 | Y24.3-25 | Spring cover | 1 |
| 12 | YT24.1-08 | Ratchet claw | 4 | 48 | YT24.3-26 | Water injection valve | 1 |
| 13 | YT28A.8060.1-01 | Spiral rod | 1 | 49 | YT24.3-28 | right handle | 1 |
| 14 | Y18.1-12 | Tower spring | 4 | 50 | YT24.3-29 | handle | 1 |
| 15 | YT28A.8060.2-01 | Machine head | 1 | 51 | YT24.3-30 | Sealing ring | 1 |
| 16 | YT28A.8060.2-02 | Rotating sleeve | 1 | 52 | YT24.3-31 | spring | 1 |
| 17 | YT28A.8060.2-07 | Brazing sleeve | 1 | 53 | Y24.3-20 | Water needle sleeve | 1 |
| 19 | YT28A.8060.2-04 | Brazing clip spring | 2 | 54 | YT24.3-40 | Rubber pad | 1 |
| 20 | YT28A.8060.2-06 | Brazing bolt | 2 | 55 | YT24.3-32 | Air needle cushion | 1 |
| 21 | YT28A.8060.2-05 | Brazing card | 1 | 56 | Y18.3-16 | Fixed pin spring | 1 |
| 22 | YT28A.8060.2-03 | Spline sleeve | 1 | 57 | Y18.3-15 | Fixed pin | 1 |
| 23 | M16 GB/T 889 | locking nut | 2 | 58 | YT24.3-33 | Circular sealing ring | 1 |
| 24 | YT28A.8060.3-06 | Long screw | 2 | 59 | Y18.3-17 | Copper pad | 1 |
| 25 | YT28A.8060.3-05 | Control valve | 1 | 60 | 8x1.9 GB1235 | O-ring | 1 |
| 26 | YT28A.8060.3-03 | Water needle | 1 | 61 | 22x2.4 GB1235 | O-ring | 1 |
| 27 | YT28A.8060.3-02 | Pneumatic needle | 1 | 62 | 25x2.4 GB1235 | O-ring | 1 |
| 28 | YT24.3-07 | Large sealing sleeve | 1 | 63 | 36x3.5 GB1235 | O-ring | 3 |
| 29 | YT28A.8060.3-08 | Stalk body | 1 | 64 | Hoop 76-92 | 1 | |
| 30 | YT24.3-13 | Rising circle | 2 | 65 | 8x24 GB/T 879.1 | pin | 1 |
| 31 | YT24.3-14 | Pressure valve | 1 | 66 | 10 GB/T 93 | Standard spring washer | 1 |
| 32 | HY28.3-21 | Control handle | 1 | 67 | M10 GB/T 6172.1 | Hexagonal thin nut | 1 |
| 33 | HY28.3-27 | Left handlebar | 1 | 68 | 25-16 | Pipe fitting sleeve | 1 |
| 34 | 15 GB/T 893.1 | Retaining ring | 1 | 69 | 25-04 | Conical tracheal joint | 1 |
| 35 | YT24.3-06 | Small sealing sleeve | 2 | 70 | 25-01 | Butterfly nut | 1 |
| 36 | M16 GB/T 56 | Long screw nut | 2 | 71 | Hoop 25-38 | 1 |
| Model | HY18 | HY20 | YT25(7655) | YT27 | YT28 | YT29A | S82 |
| Lenght | 556mm | 558mm | 630mm | 668mm | 661mm | 670mm | 659mm |
| Piston Stroke | 50mm | 50mm | 55mm | 60mm | 60mm | 60mm | 60mm |
| Air Comsumption | ≤22L/s | ≤28L/s | ≤56L/s | ≤57L/s | ≤58L/s | ≤65L/s | ≤63.5L/s |
| Drill Diameter | 34-40mm | 34-40mm | 34-42mm | 34-42mm | 34-42mm | 34-45mm | 34-45mm |
| Weight | 18Kg | 20Kg | 25Kg | 27Kg | 26Kg | 26Kg | 26.5Kg |
| Cylider Diameter | 58mm | 64mm | 76mm | 80mm | 80mm | 82mm | 82mm |
| Work Pressure | 0.4-0.5Mpa | 0.4-0.5Mpa | 0.4-0.63Mpa | 0.4-0.63Mpa | 0.4-0.63Mpa | 0.4-0.63Mpa | 0.4-0.63Mpa |
| Impact Frequency | ≥30Hz | ≥31Hz | ≥34Hz | ≥39Hz | ≥35Hz | ≥35Hz | ≥37Hz |
| Drill Depth | 4m | 4m | 5m | 5m | 5m | 5m | 5m |
| Dimention | 556*360*166mm | 558*360*166mm | 630*250*205mm | 668*248*202mm | 661*250*202mm | 670*255*210mm | 659*248*202mm |
| Packing | 595*290*210mm | 720*298*240mm | |||||
| Drill rod diameter | H22*108mm | H22*108mm | H22*108mm | H22*108mm | H22*108mm | H22*108mm | H22*108mm |
| Model | Weight | Length | Shanksize | Drilling diameter | Piston diameter | Piston stroke | Air Pressure(at 0.5MPa) | |
| Air consumption | Impact frequency | |||||||
| Kg | mm | mm | mm | mm | mm | l/s | Hz | |
| YT29A | 27 | 659 | H22×108±1 | 34~45 | 82 | 60 | ≤65 | ≥37 |
| YT29S | 27 | 659 | H22×108±1 | 34~45 | 82 | 60 | ≤65 | ≥37 |
| YT28 | 26 | 661 | H22×108±1 | 34~42 | 80 | 60 | ≤58 | ≥35 |
| YT27 | 27 | 668 | H22×108±1 | 34~42 | 80 | 60 | ≤57 | ≥39 |
| 7655 | 24 | 628 | H22×108±1 | 34~42 | 76 | 60 | ≤54 | ≥36 |
1. Our Shipyard: Ningbo Zhenhe shipyard, and now Taihang is the branch representative of our yard.
2. Our founding team has experience of more than 15 years in shipbuilding and ship repair with our own engineer and designer.
3. Equipment quality guarantee: Based on shipyard feedback, we built up a manufacturer file to ensure the good quality of the products. Also, we can send our engineers to help our clients install and test these exported equipment.
4. We are a second-hand ship broker to help you find the satisfied used different kinds of vessels.
5. We are able to provide the CKD kits and one-stop service based on our laser-cutting machine and purchase ability
6. We have a very professional design and technical team to work out perfect plans for our clients and help to solve any matters with pre-sale and after-sale.
7. Customer Distribution: Tanzania, Rwanda, India(Mumbai and Kolkata), Suva, Portugal, Russia, Netherlands, Iceland, Denmark, Malaysia, Mexico.......
