CN210564382U - Air leg supporting component for air leg type rock drill - Google Patents
Air leg supporting component for air leg type rock drill Download PDFInfo
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- CN210564382U CN210564382U CN201921633233.XU CN201921633233U CN210564382U CN 210564382 U CN210564382 U CN 210564382U CN 201921633233 U CN201921633233 U CN 201921633233U CN 210564382 U CN210564382 U CN 210564382U
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- rock drill
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Abstract
The utility model discloses an air leg supporting component for air leg type rock drill, which comprises an expansion cylinder and a base, wherein the base is arranged below the expansion cylinder, a cavity is arranged in the expansion cylinder, the air leg supporting component for the air leg type rock drill is simple in structure and convenient to use, and is connected with the rock drill through the arranged expansion link, when the rock drill works, the air pressure in the cavity is changed alternately to push a piston to move back and forth, so that the rock drill retreats or advances, the base can firmly grasp the ground through a ground-scraping tooth at the bottom, so that the connection between the base and the ground is more stable, the deviation is avoided, the drilling precision is higher, the arranged gear can drive the expansion cylinder to rotate, the included angle between the air leg and the base is adjusted, and meanwhile, the arc-shaped rack can be driven to move up and down in a first groove through the arranged pressing block, the arc-shaped rack can lock the gear.
Description
Technical Field
The utility model relates to an air leg supporting component, in particular to air leg supporting component for air leg formula rock drill belongs to rock drill accessory technical field.
Background
The air leg type rock drill uses air legs to replace manpower to prop the rock drill to work, and the labor intensity of workers is greatly reduced. When using, the air leg supporting component for the existing rock drill generally contacts with the ground through a triangular fork at the bottom end of the air leg to support the air leg, the rock drill needs to bear large vibration force when working on the air leg, and the stress surface of the triangular fork when contacting with the ground is small, so that the air leg supporting component can deviate when supporting to influence the drilling accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air leg supporting component for air leg formula rock drill has effectively solved the problem that exists among the prior art.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to an air leg support assembly for air leg type rock drill, which comprises an expansion cylinder and a base, wherein the base is arranged below the expansion cylinder, a cavity is arranged in the expansion cylinder, one end of the expansion cylinder, which is far away from the base, is sleeved with a sealing cover, an internal thread is arranged on the inner side wall of the sealing cover, an external thread is arranged on the outer cylinder wall at the top end of the expansion cylinder corresponding to the internal thread, the internal thread and the external thread are matched and arranged, the sealing cover is in threaded connection with the expansion cylinder, a telescopic rod is arranged on the sealing cover, one end of the telescopic rod penetrates through the sealing cover and extends to the inside of the cavity, the telescopic rod is in sliding connection with the sealing cover, a piston is fixedly connected on the rod wall of one end of the telescopic rod, which extends to the inside of the cavity, the piston is in sliding connection with the inside of the cavity, a, the gear is fixedly connected with the telescopic cylinder, an arc-shaped rack is arranged below the gear, a first groove is arranged on the inner bottom wall of the rotating groove corresponding to the arc-shaped rack, the first groove is communicated with the rotating groove, the arc-shaped rack is connected inside the first groove in a sliding way, the outer side wall of one side of the arc-shaped rack is fixedly connected with a pressing block, the inner wall of one side of the first groove is provided with a second groove corresponding to the pressing block, the pressing block is connected inside the second groove in a sliding manner, a pedal is arranged at one end of the top of the base far away from the telescopic cylinder, the top of the base is provided with a third groove corresponding to the pedal, the third groove is matched with the pedal, the bottom fixedly connected with transmission piece of footboard, the inside diapire that the other end of transmission piece passed the third recess extends to the second recess, just the transmission piece extends to the inside one end of second recess and presses a briquetting fixed connection.
As a preferred technical scheme of the utility model, it is provided with the meshing tooth of looks adaptation to correspond the gear on the lateral wall of circle side in the arc rack, just the arc rack is connected with gear engagement.
As a preferred technical scheme of the utility model, press briquetting bottom fixedly connected with spring, the spring is kept away from the one end of pressing the briquetting and the interior diapire fixed connection of second recess, just the spring is the elasticity spring.
As a preferred technical scheme of the utility model, the equidistant fixedly connected with a plurality of ground tooth is taken off to the bottom of base.
As an optimized technical proposal of the utility model, the ground scraping teeth are made of metal stainless steel materials.
The utility model discloses the beneficial effect who reaches is: the utility model relates to an air leg supporting component for air leg formula rock drill simple structure, high durability and convenient use, be connected with the rock drill through setting up the telescopic link, the rock drill during operation, atmospheric pressure alternation in the cavity, promote piston back and forth movement, make the rock drill retreat or go forward, the base through the bottom take off ground tooth promptly ground that can be firm, make to be connected between base and the ground more stable, can not take place the skew, make the precision of drilling higher, and the gear of setting can drive the telescopic cylinder and rotate, contained angle between air leg and the base is adjusted, can drive the arc rack through setting up the pressing block simultaneously and reciprocate in the inside of first recess, the arc rack can the locking gear.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the present invention in use;
fig. 3 is a partial enlarged view of the portion a of the present invention.
In the figure: 1. a telescopic cylinder; 2. a base; 3. a cavity; 4. sealing the cover; 5. an internal thread; 6. an external thread; 7. a telescopic rod; 8. a piston; 9. a rotating groove; 10. a pin shaft; 11. a gear; 12. an arc-shaped rack; 13. a first groove; 14. a pressing block; 15. a second groove; 16. a spring; 17. a pedal; 18. a third groove; 19. a transmission block; 20. digging the ground teeth.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): as shown in figures 1-3, the utility model relates to an air leg support component for air leg type rock drill, which comprises a telescopic cylinder 1 and a base 2, wherein the base 2 is arranged below the telescopic cylinder 1, a cavity 3 is arranged inside the telescopic cylinder 1, a sealing cover 4 is sleeved at one end of the telescopic cylinder 1 far away from the base 2, an internal thread 5 is arranged on the inner side wall of the sealing cover 4, an external thread 6 is arranged on the outer cylinder wall at the top end of the telescopic cylinder 1 corresponding to the internal thread 5, the internal thread 5 is matched with the external thread 6, the sealing cover 4 is in threaded connection with the telescopic cylinder 1, a telescopic rod 7 is arranged on the sealing cover 4, one end of the telescopic rod 7 penetrates through the sealing cover 4 and extends to the inside of the cavity 3, the telescopic rod 7 is in sliding connection with the sealing cover 4, a piston 8 is fixedly connected on the rod wall of one end of the telescopic rod 7 extending to the inside of the cavity 3, the piston 8 is, the inside of the rotating groove 9 is rotatably connected with a gear 11 through a pin shaft 10, the gear 11 is fixedly connected with the telescopic cylinder 1, an arc-shaped rack 12 is arranged below the gear 11, a first groove 13 is formed on the inner bottom wall of the rotating groove 9 corresponding to the arc-shaped rack 12, the first groove 13 is communicated with the rotating groove 9, the arc-shaped rack 12 is slidably connected with the inside of the first groove 13, a pressing block 14 is fixedly connected with the outer side wall of one side of the arc-shaped rack 12, a second groove 15 is formed on the inner wall of one side of the first groove 13 corresponding to the pressing block 14, the pressing block 14 is slidably connected with the inside of the second groove 15, a pedal 17 is arranged at one end of the top of the base 2, which is far away from the telescopic cylinder 1, a third groove 18 is formed on the top of the base 2 corresponding to the pedal 17, the third groove 18 is matched with the pedal 17, a transmission block 19 is fixedly connected with the bottom of the pedal, and one end of the transmission block 19 extending into the second groove 15 is fixedly connected with the pressing block 14.
The side wall of the inner circle side of the arc-shaped rack 12 is provided with meshing teeth matched with the gear 11, the arc-shaped rack 12 is meshed with the gear 11, the gear 11 can be limited to rotate inside the rotating groove 9 by the arc-shaped rack 12, a spring 16 is fixedly connected to the bottom of the pressing block 14, one end, away from the pressing block 14, of the spring 16 is fixedly connected with the inner bottom wall of the second groove 15, the spring 16 is an elastic spring 16, the elastic force of the elastic spring 16 can push the pressing block 14 to move upwards, the pressing block 14 drives the arc-shaped rack 12 to lock the gear 11, a plurality of ground scraping teeth 20 are fixedly connected to the bottom of the base 2 at equal intervals, the ground scraping teeth 20 are made of metal stainless steel materials, and the ground scraping teeth 20 made of the stainless steel materials can enable the base 2 to be connected with the ground more stably.
Specifically, when the utility model is used, one end of the telescopic rod 7 far away from the base 2 is connected with the rock drill, the pedal 17 is treaded by feet, the pedal 17 can drive the transmission block 19 to vertically move downwards, the transmission block 19 can drive the pressing block 14 to move when moving, the pressing block 14 can drive the arc rack 12 to move in the first groove 13 when sliding in the second groove 15, when the arc rack 12 is separated from the gear 11, the telescopic cylinder 1 can drive the gear 11 to rotate in the rotating groove 9, the initial angle is adjusted, when the pedal 17 is treaded in the third groove 18 by feet, the pedal 17 transmits the pressure to the base 2, the ground scraping teeth 20 at the bottom of the base 2 are embedded on the ground, so that the base 2 is connected with the ground, the plurality of ground scraping teeth 20 can make the connection between the base 2 and the ground more stable, no offset occurs, so that the accuracy is higher, the treaded pedal 17 is loosened, the pressing block 14 is reset under the elastic force action of the elastic spring 16, the pressing block 14 drives the arc-shaped rack 12 to vertically move upwards in the first groove 13 when being reset, the arc-shaped rack 12 is meshed with the gear 11, the gear 11 cannot rotate, and the arc-shaped rack 12 locks the gear 11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The gas leg supporting assembly for the gas leg rock drill is characterized by comprising a telescopic cylinder (1) and a base (2), wherein the base (2) is arranged below the telescopic cylinder (1), a cavity (3) is formed in the telescopic cylinder (1), a sealing cover (4) is sleeved at one end, away from the base (2), of the telescopic cylinder (1), an internal thread (5) is formed in the inner side wall of the sealing cover (4), an external thread (6) is formed in the outer cylinder wall at the top end of the telescopic cylinder (1) corresponding to the internal thread (5), the internal thread (5) is matched with the external thread (6), the sealing cover (4) is in threaded connection with the telescopic cylinder (1), a telescopic rod (7) is arranged on the sealing cover (4), one end of the telescopic rod (7) penetrates through the sealing cover (4) and extends into the cavity (3), and the telescopic rod (7) is in sliding connection with the sealing cover (4), the telescopic rod (7) is fixedly connected with a piston (8) on a rod wall extending to one end inside the cavity (3), the piston (8) is connected inside the cavity (3) in a sliding manner, a rotating groove (9) is formed in one end of the top of the base (2), a gear (11) is rotatably connected inside the rotating groove (9) through a pin shaft (10), the gear (11) is fixedly connected with the telescopic cylinder (1), an arc-shaped rack (12) is arranged below the gear (11), a first groove (13) is formed in the inner bottom wall of the rotating groove (9) corresponding to the arc-shaped rack (12), the first groove (13) is communicated with the rotating groove (9), the arc-shaped rack (12) is connected inside the first groove (13) in a sliding manner, a pressing block (14) is fixedly connected to the outer side wall of one side of the arc-shaped rack (12), a second groove (15) is formed in the inner wall of one side of the first groove (13) corresponding to the pressing block (14), according to inside at second recess (15) of pressing piece (14) sliding connection, the one end that telescopic cylinder (1) was kept away from at base (2) top is provided with footboard (17), third recess (18) have been seted up to the top of base (2) corresponding footboard (17), third recess (18) and footboard (17) phase-match set up, the bottom fixedly connected with transmission piece (19) of footboard (17), the other end of transmission piece (19) passes the inside diapire of third recess (18) and extends to the inside of second recess (15), just transmission piece (19) extend to the inside one end of second recess (15) and press piece (14) fixed connection.
2. An air leg support assembly for an air leg rock drill according to claim 1, characterized in that the side wall of the inner circle side of the arc-shaped rack (12) is provided with engaging teeth adapted to the corresponding gear (11), and the arc-shaped rack (12) is engaged with the gear (11).
3. An air leg support assembly for an air leg rock drill according to claim 1 characterized in that a spring (16) is fixedly connected to the bottom of the pressing block (14), one end of the spring (16) far away from the pressing block (14) is fixedly connected with the inner bottom wall of the second groove (15), and the spring (16) is an elastic spring (16).
4. An air leg support assembly for an air leg rock drill according to claim 1 characterized in that the bottom of the base (2) is fixedly connected with a plurality of ground raking teeth (20) at equal intervals.
5. An air leg support assembly for an air leg rock drill according to claim 4 wherein the said digging tooth (20) is of a metallic stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633233.XU CN210564382U (en) | 2019-09-28 | 2019-09-28 | Air leg supporting component for air leg type rock drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633233.XU CN210564382U (en) | 2019-09-28 | 2019-09-28 | Air leg supporting component for air leg type rock drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210564382U true CN210564382U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921633233.XU Active CN210564382U (en) | 2019-09-28 | 2019-09-28 | Air leg supporting component for air leg type rock drill |
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| CN (1) | CN210564382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879547A (en) * | 2020-06-12 | 2020-11-03 | 天津师范大学 | Saline and alkaline land is administered and is used sampling device |
-
2019
- 2019-09-28 CN CN201921633233.XU patent/CN210564382U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879547A (en) * | 2020-06-12 | 2020-11-03 | 天津师范大学 | Saline and alkaline land is administered and is used sampling device |
| CN111879547B (en) * | 2020-06-12 | 2023-04-18 | 天津师范大学 | Saline and alkaline land is administered and is used sampling device |
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