CN220956693U - Walking gearbox for pneumatic drill carriage of coal mine - Google Patents
Walking gearbox for pneumatic drill carriage of coal mine Download PDFInfo
- Publication number
- CN220956693U CN220956693U CN202323183317.7U CN202323183317U CN220956693U CN 220956693 U CN220956693 U CN 220956693U CN 202323183317 U CN202323183317 U CN 202323183317U CN 220956693 U CN220956693 U CN 220956693U
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- China
- Prior art keywords
- worm
- shell
- handle
- pneumatic drill
- output gear
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- 239000003245 coal Substances 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 12
- 238000005553 drilling Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model discloses a walking gearbox for a pneumatic drill carriage for a coal mine, which comprises a shell and an output gear arranged in the shell, wherein one end part of the output gear extends out of the shell and is meshed with a rack on a guide rail; the worm wheel driving the output gear to rotate is fixedly sleeved on the outer side of the output gear, and one side of the worm wheel is provided with a worm matched with the worm wheel; one end of the worm is provided with a gear in transmission connection with the walking pneumatic motor, the other end of the worm extends out of the shell, a hand crank which is installed when in use and detached when not in use is arranged outside the shell, and the worm can be driven to rotate by manually rotating the hand crank; the end part of the worm extending out of the shell is hexagonal, and the corresponding installation part of the hand crank is set to be inner hexagon matched with the end part of the worm extending out of the shell.
Description
Technical Field
The utility model relates to a walking gearbox for a coal mine pneumatic drill carriage rotator assembly, and belongs to the technical field of walking gearboxes.
Background
When the pneumatic drill carriage for the coal mine is used for installing the drill rod, a reversing valve on a control console is required to be operated to control the forward and backward movement of the gyrator assembly, and further the forward and backward movement of the drill bushing is controlled, so that the drill bushing can be sleeved into the drill rod to complete the installation of the drill rod.
The pneumatic drill carriage rotator assembly for the coal mine in the prior art comprises a traveling device for controlling the drill bushing to advance and retreat. The running gear comprises a running gearbox 9 which is arranged on the sliding rail 8 and moves forwards and backwards along the sliding rail 8 along the guide rail 1, the running gearbox 9 comprises a shell 9-1 and an output gear 9-6 which is arranged in the shell 9-1, one end part of the output gear 9-6 extends out of the shell 9-1 to be meshed with the rack 2 which is arranged on the guide rail 1, and the other end part of the output gear 9-6 which is positioned in the shell 9-1 is rotationally connected with an output shaft of a running pneumatic motor 3 which is arranged on the running gearbox 9 through the gear 9-9; the output gear 9-6 is driven to roll on the rack 2 by controlling the positive and negative rotation of the output shaft of the walking pneumatic motor 3, so that the walking gearbox 9 is driven to advance and retreat. The upper part of the traveling gearbox 9 is provided with a rotary pneumatic motor 4, the rotary pneumatic motor 4 is connected with the drill bushing 7 through the rotary gearbox 5, and the drill bushing 7 is advanced and retracted through the advance and the retraction of the traveling gearbox 9.
When the drill rod is installed, the new drill rod is screwed and fixed with the old drill rod at the front end of the guide rail, and then the traveling pneumatic motor 3 is controlled to control the drill sleeve 7 to advance and retreat until the drill sleeve 7 is aligned and then sleeved on the drill rod. However, the control of the traveling pneumatic motor 3 is realized by controlling the angle of the handle of the reversing valve, and the operation mode ensures that the speed of the drill bushing 7 in the advancing and retreating processes is not easy to control, the screw thread of the drill rod is easy to collide with the drill bushing, and the service lives of the drill rod and the drill bushing are seriously influenced; and because there is certain distance between operation panel and the gyrator, can't realize that same people operate the control panel and observe the drill bushing simultaneously, must one person control the operation panel, another person observes the drill bushing, needs two people to coordinate silently just can accomplish the installation operation of drilling rod promptly, extravagant manpower.
Disclosure of utility model
The utility model aims to solve the technical problems, and provides the walking gearbox for the pneumatic drill carriage of the coal mine, which does not need to operate a reversing valve on a control console, and the worm in the walking gearbox can be rotated by a hand crank to realize the front-back sliding of the drill bushing, so that one person can finish the installation of the drill rod of the pneumatic drill carriage of the coal mine, and the labor is saved; and the moving speed of the drill bushing is easier to control in a rotating mode of the hand crank, so that the drill rod and the drill bushing are easier to align and control during installation, the situation that the screw thread of the drill rod and the drill bushing are impacted can be avoided, and the service lives of the drill rod and the drill bushing can be prolonged.
In order to solve the technical problems, the utility model adopts the following technical scheme:
A walking gearbox for a pneumatic drill carriage for a coal mine comprises a shell and an output gear arranged in the shell, wherein one end part of the output gear extends out of the shell and is meshed with a rack on a guide rail; the worm wheel driving the output gear to rotate is fixedly sleeved on the outer side of the output gear, and one side of the worm wheel is provided with a worm matched with the worm wheel; one end of the worm is provided with a gear in transmission connection with the walking pneumatic motor, the other end of the worm extends out of the shell, a hand crank which is installed when in use and detached when not in use is arranged outside the shell, and the worm can be driven to rotate by manually rotating the hand crank; the shape of the end part of the worm, which extends out of the shell, is hexagonal.
The technical scheme of the utility model is further improved as follows: the hand crank comprises a handle rod, and a handle head which are respectively fixed at two ends of the handle rod and are Z-shaped at the non-same side, wherein the handle head is arranged into an inner hexagon matched with the end part of the worm.
The technical scheme of the utility model is further improved as follows: the handle is fixed on the handle rod through a pin shaft.
The technical scheme of the utility model is further improved as follows: the outside cover of handle is equipped with the sleeve that can freely rotate.
The technical scheme of the utility model is further improved as follows: the hand crank is a common hexagonal wrench.
The technical scheme of the utility model is further improved as follows: the position of the worm extending out of the shell is fixed with an end cover through a fixing bolt, and a round hole which can extend out of the worm is formed in the end cover.
The technical scheme of the utility model is further improved as follows: and a sealing ring is arranged between the circular hole of the end cover and the worm, and grooves for installing the sealing ring are formed in the side wall of the circular hole and the worm.
The technical scheme of the utility model is further improved as follows: the worm is arranged in the shell through bearings, and two bearings are arranged at intervals for installing the worm.
The technical scheme of the utility model is further improved as follows: the output gears are arranged in the shell through bearings, and the bearing intervals for installing the output gears are two.
The technical scheme of the utility model is further improved as follows: the worm wheel is connected with the output gear through a key.
By adopting the technical scheme, the utility model has the following technical progress:
According to the utility model, a reversing valve on a control console is not required to be operated, and the worm in the traveling gearbox can be rotated by the hand crank to realize the forward and backward sliding of the drill bushing, so that one person can finish the installation of the drill rod of the pneumatic drill carriage of the coal mine, and the labor is saved; and the moving speed of the drill bushing is easier to control in a rotating mode of the hand crank, so that the drill rod and the drill bushing are easier to align and control during installation, the situation that the screw thread of the drill rod and the drill bushing are impacted can be avoided, and the service lives of the drill rod and the drill bushing can be prolonged.
The hand crank can be an ordinary wrench or a special Z-shaped hand crank, and has the main function of manually rotating the worm to realize manual control of the front and back sliding of the drill sleeve; compared with the common spanner, the special hand crank in Z shape is more labor-saving, and the sleeve capable of freely rotating is sleeved on the outer side of the handle, so that the hand crank can not rub the palm during rotation, and the use is convenient.
The sealing ring is arranged between the round hole of the end cover and the worm, so that the sealing effect can be achieved, and sundries such as dust and the like are prevented from entering the inside of the shell, and the use of the internal structure of the traveling gearbox is affected.
Drawings
FIG. 1 is a schematic view of the utility model (without a handle) in a front view;
FIG. 2 is a schematic view of the utility model (without the handle attached) in a cut-away view along the centerline of the output gear 9-6;
FIG. 3 is a schematic view of the utility model (without the handle attached) in a cut-away view along the centerline of the worm 9-4 in a top view;
FIG. 4 is a schematic view of the structure of the present utility model (without a handle) mounted to a rail assembly;
FIG. 5 is a schematic view of the structure of the hand crank of the present utility model;
Wherein, 1, a guide rail, 2, a rack, 3, a walking pneumatic motor, 4, a rotary pneumatic motor, 5, a rotary gearbox, 7, a drill bushing, 8, a slide rail, 9, a walking gearbox, 9-1, a shell, 9-2, a fixing bolt, 9-3 and an end cover, 9-4 parts of worm, 9-5 parts of bearings, 9-6 parts of output gears, 9-7 parts of sealing rings, 9-8 parts of worm gears, 9-9 parts of gears, 10 parts of hand handles, 10-1 parts of handles, 10-2 parts of pin shafts, 10-3 parts of handle bars, 10-4 parts of handle heads.
Detailed Description
The utility model aims to solve the problems in the prior art, and provides the walking gearbox for the pneumatic drill carriage of the coal mine, which can realize the forward and backward sliding of the drill bushing by rotating the worm in the walking gearbox through the crank handle without operating the reversing valve on the control console, so that one person can finish the installation of the drill rod of the pneumatic drill carriage of the coal mine, and the labor is saved; and the moving speed of the drill bushing is easier to control in a rotating mode of the hand crank, so that the drill rod and the drill bushing are easier to align and control during installation, the situation that the screw thread of the drill rod and the drill bushing are impacted can be avoided, and the service lives of the drill rod and the drill bushing can be prolonged.
The utility model is further illustrated by the following examples:
As shown in fig. 1-3, a walking gearbox for a pneumatic drill carriage for coal mines comprises a shell 9-1 and an output gear 9-6 arranged in the shell 9-1, wherein the output gear 9-6 is arranged in the shell 9-1 through bearings 9-5, two bearings 9-5 for installing the output gear 9-6 are arranged at intervals, so that the installation of the output gear 9-6 is more stable, and one end part of the output gear 9-6 extends out of the shell 9-1 to be meshed with a rack 2 on a guide rail 1.
A set of worm and gear rotating device capable of driving the output gear 9-6 to rotate is further arranged in the shell 9-1, the worm gear 9-8 is fixedly sleeved on the outer side of the output gear 9-6 through key connection, and the output gear 9-6 can be driven to synchronously rotate. The worm 9-4 is arranged in the shell 9-1 through the bearings 9-5, and the two bearings 9-5 for installing the worm 9-4 are arranged at intervals, so that the installation of the worm 9-4 is more stable. One end of the worm 9-4 is provided with a gear 9-9 in driving connection with the walking air motor 3, so that the walking air motor 3 can control the rotation of the output gear 9-6. The other end of the worm 9-4 protrudes outside the housing 9-1, and the end protruding outside the housing 9-1 has a hexagonal shape, and the worm 9-4 can be rotated by manually rotating the hand crank 10. And the handle 10 is installed when in use and removed when not in use.
The handle 10 can be a common hexagonal wrench or a special handle which is more labor-saving in use, and has a specific structure shown in figure 5, and comprises a handle rod 10-3, a handle 10-1 and a handle head 10-4, wherein the handle 10-1 and the handle head 10-4 are respectively fixed at two ends of the handle rod 10-3, and the non-identical side of the handle is Z-shaped, and the handle head 10-4 is arranged into an inner hexagon matched with the end part of the worm 9-4; the handle 10-1 is fixed on the handle rod 10-3 through the pin shaft 10-2, and a sleeve capable of freely rotating is sleeved on the outer side of the handle 10-1, so that a palm cannot be rubbed when the handle is rotated, and the use is convenient.
Further, an end cover 9-3 is fixed at the position of the worm 9-4 extending out of the shell 9-1 through a fixing bolt 9-2, and a round hole capable of extending out of the worm 9-4 is formed in the end cover 9-3. A sealing ring 9-7 is arranged between the round hole and the worm 9-4, and grooves for installing the sealing ring 9-7 are formed in the side wall of the round hole and the worm 9-4. The sealing ring can play a sealing role, so that sundries such as dust can be prevented from entering the inside of the shell, and the use of the internal structure of the traveling gearbox is affected.
The method for installing the drill rod comprises the following steps:
fig. 4 is a schematic view showing a structure in which a traveling gearbox (without a crank) is mounted on a guide rail assembly.
Installing a threaded hole drill rod: firstly, a new drill rod is screwed and fixed with an old drill rod at the front end of a guide rail, a hand crank 10 is installed, the hand crank 10 is manually rotated to rotate a worm 9-4, the worm 9-4 drives a worm wheel 9-8 to rotate, and further an output gear 9-6 is driven to roll along a rack 2, and a gyrator assembly is moved forwards, so that conical threads of a drill sleeve 7 are centered and fixed with conical threads at the tail part of the new drill rod, and the installation of the new drill rod is completed. Then the hand crank 10 is dismounted, the reversing valve on the operating platform is started to supply air to the rotary pneumatic motor 4 and the walking pneumatic motor 3, and the drilling work of the drill rod can be started.
Installing a square head drill rod: firstly, the front end of a new drill rod is sleeved into the square head of the old drill rod, so that round holes are concentric, a fixing pin is inserted, and the front end of the new drill rod is installed and fixed at the front end of the guide rail. And then installing a hand crank 10, manually rotating the hand crank 10 to rotate the worm 9-4, driving the worm wheel 9-8 to rotate by the worm 9-4, further driving the output gear 9-6 to roll along the rack 2, and moving the gyrator assembly forwards, so that the square head of the tail part of the new drill rod is inserted into the square hole of the drill sleeve, the round holes are concentric, the fixing pin is inserted, and the rear end is installed. Then the hand crank 10 is dismounted, the reversing valve on the operating platform is started to supply air to the rotary pneumatic motor 4 and the walking pneumatic motor 3, and the drilling work of the drill rod can be started.
Claims (10)
1. A walking gearbox for a pneumatic drill carriage for a coal mine comprises a shell (9-1) and an output gear (9-6) arranged in the shell (9-1), wherein one end part of the output gear (9-6) extends out of the shell (9-1) to be meshed with a rack (2) on a guide rail (1); the method is characterized in that: the worm wheel (9-8) for driving the output gear (9-6) to synchronously rotate is fixedly sleeved on the outer side of the output gear (9-6), and a worm (9-4) matched with the worm wheel (9-8) is arranged on one side of the worm wheel (9-8); one end part of the worm (9-4) is provided with a gear (9-9) in transmission connection with the walking pneumatic motor (3), the other end part of the worm extends out of the shell (9-1) and is provided with a hand crank (10) which is installed when in use and is detached when not in use, and the hand crank (10) can be manually rotated to drive the worm (9-4) to rotate; the end of the worm (9-4) extending out of the shell (9-1) is hexagonal.
2. A walking gearbox for a pneumatic drill rig for coal mines as claimed in claim 1, wherein: the handle (10) comprises a handle rod (10-3), a handle (10-1) and a handle head (10-4), wherein the handle (10-1) and the handle head (10-4) are respectively fixed at two ends of the handle rod (10-3) and are in Z-shaped on the non-same side, and the handle head (10-4) is arranged into an inner hexagon matched with the end part of the worm (9-4).
3. A walking gearbox for a pneumatic drill rig for coal mines as claimed in claim 2, wherein: the handle (10-1) is fixed on the handle rod (10-3) through a pin shaft (10-2).
4. A walking gearbox for a pneumatic drill rig for coal mines as claimed in claim 2, wherein: the outside of the handle (10-1) is sleeved with a sleeve which can freely rotate.
5. A walking gearbox for a pneumatic drill rig for coal mines as claimed in claim 1, wherein: the hand crank (10) is an ordinary hexagonal wrench.
6. A walking gearbox for a pneumatic drill rig for coal mines as claimed in claim 1, wherein: the position of the worm (9-4) extending out of the shell (9-1) is fixed with an end cover (9-3) through a fixing bolt (9-2), and a round hole which can extend out of the worm (9-4) is formed in the end cover (9-3).
7. A traveling gearbox for a pneumatic drill car for coal mines as claimed in claim 6, wherein: a sealing ring (9-7) is arranged between the circular hole of the end cover (9-3) and the worm (9-4), and grooves for installing the sealing ring (9-7) are formed in the side wall of the circular hole and the worm (9-4).
8. A walking gearbox for a pneumatic drill rig for coal mines as claimed in claim 1, wherein: the worm (9-4) is arranged in the shell (9-1) through bearings (9-5), and the number of the bearings (9-5) for installing the worm (9-4) is two at intervals.
9. A walking gearbox for a pneumatic drill rig for coal mines as claimed in claim 1, wherein: the output gears (9-6) are arranged in the shell (9-1) through bearings (9-5), and the number of the bearings (9-5) for installing the output gears (9-6) is two at intervals.
10. A walking gearbox for a pneumatic drill rig for coal mines as claimed in claim 1, wherein: the worm wheel (9-8) is connected with the output gear (9-6) in a key way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323183317.7U CN220956693U (en) | 2023-11-24 | 2023-11-24 | Walking gearbox for pneumatic drill carriage of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323183317.7U CN220956693U (en) | 2023-11-24 | 2023-11-24 | Walking gearbox for pneumatic drill carriage of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220956693U true CN220956693U (en) | 2024-05-14 |
Family
ID=91007348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323183317.7U Active CN220956693U (en) | 2023-11-24 | 2023-11-24 | Walking gearbox for pneumatic drill carriage of coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220956693U (en) |
-
2023
- 2023-11-24 CN CN202323183317.7U patent/CN220956693U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |