CN220267627U - Drill bit of automatic rod connecting mechanism of drill jumbo - Google Patents
Drill bit of automatic rod connecting mechanism of drill jumbo Download PDFInfo
- Publication number
- CN220267627U CN220267627U CN202322063253.0U CN202322063253U CN220267627U CN 220267627 U CN220267627 U CN 220267627U CN 202322063253 U CN202322063253 U CN 202322063253U CN 220267627 U CN220267627 U CN 220267627U
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- fixed ring
- ring
- drill
- clamping
- rod mechanism
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- 239000011435 rock Substances 0.000 claims description 6
- 238000005553 drilling Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to the field of drilling trolleys, in particular to a drill holder of an automatic connecting rod mechanism of a drilling trolley, which comprises a fixed ring, wherein one end of the fixed ring is matched with the automatic connecting rod mechanism, a plurality of clamping blocks uniformly distributed along the axis of the fixed ring are connected in a sliding manner through tension springs in the fixed ring, one side, close to the inner wall of the fixed ring, of the clamping blocks is an inclined surface inclined towards the direction of the automatic connecting rod mechanism, and a driving structure matched with the inclined surface of the clamping blocks is connected in the fixed ring in a sliding manner. The problem that the existing drill rod clamping device is inconvenient to erect, disassemble and maintain is effectively solved; the device has the advantages that the structure is simple, the operation is convenient, the conception is novel, the practicability is strong, the pushing ring can be started to move, the pushing ring can be used for pushing the clamping block, so that the clamping of a drill rod is realized, on one hand, the hollow motor, the pushing ring and the clamping block can be detachably installed, the device is convenient to maintain, on the other hand, the hollow motor does not need facilities such as an oil cylinder, and the erection cost of the device is reduced.
Description
Technical Field
The utility model relates to the field of drilling trolleys, in particular to a drill bit of an automatic connecting rod mechanism of a drilling trolley.
Background
The drilling jumbo is engineering mechanical equipment applied to tunnel excavation and underground engineering excavation, and the main construction method is drilling and blasting method construction. The core device is a rock drill, a drill rod is arranged on the rock drill, and the rock is broken through the rotation and impact actions of the rock drill to realize the drilling function. In some cases, such as the coring of railway tunnels, the mining roadway is long and narrow due to space, and the length of a single drill rod cannot meet the requirement, namely, the requirement of realizing the bit depth of a deeper hole by using a connecting rod is needed. The existing construction extension rod mode is generally artificial extension rod, namely a drill rod is manually connected with a drill shank of a rock drill through one end of a thread, and the other end of the thread is connected with a threaded joint of the drill rod in a hole. In particular, the mining drill jumbo has the advantages that a single drill rod is very short, more than 15 drill rods are needed to be connected to one hole site, the efficiency of manual connection rod is very low, the time consumption is long, the working efficiency is low, the labor intensity is high, and meanwhile, the reliability and the safety of connection rod are low.
The front end of the mechanism for automatically connecting the drill rod is provided with a drill rod clamping device, the drill rod is required to be clamped in the process of connecting the drill rod, then the drill rod is connected through the automatic connecting rod mechanism, the existing drill rod clamping device generally adopts a plurality of hydraulic cylinder control clamping arms to clamp the drill rod, but the clamping mode needs to be provided with a plurality of oil cylinders to provide pressure for the hydraulic cylinders, and the drill rod clamping device is inconvenient to disassemble and maintain due to excessive oil ways.
Disclosure of Invention
Aiming at the situation, the utility model aims to overcome the defects of the prior art, and the utility model aims to provide the drill rod clamping device of the automatic rod connecting mechanism of the drill jumbo, so that the problem that the existing drill rod clamping device is inconvenient to erect and disassemble and maintain is effectively solved.
The technical scheme includes that the drill holder of the automatic connecting rod mechanism of the drill jumbo comprises a fixed ring, one end of the fixed ring is matched with the automatic connecting rod mechanism, a plurality of clamping blocks are slidably connected in the fixed ring through tension springs and uniformly distributed along the axis of the fixed ring, one side, close to the inner wall of the fixed ring, of the clamping blocks is an inclined surface inclined towards the direction of the automatic connecting rod mechanism, and a driving structure matched with the inclined surface of the clamping blocks is slidably connected in the fixed ring.
Preferably, the inner edge surfaces of the clamping blocks are arc surfaces coaxial with the fixed ring, the fixed ring is provided with a sliding groove corresponding to the clamping blocks, the clamping blocks are provided with extension blocks inserted into the sliding groove, and the extension blocks are connected with the fixed ring through tension springs.
Preferably, the driving structure comprises a hollow motor which is detachably connected with the fixed ring, a pushing ring which is slidably connected with the fixed ring is connected to an output shaft of the hollow motor in a threaded manner, and the pushing ring is matched with the inclined surface of the clamping block.
Preferably, a plurality of placing grooves which are uniformly distributed along the axial direction of the fixing ring are formed in the fixing ring, and limiting blocks which are inserted into the placing grooves are fixedly connected to the outer side of the hollow motor.
Preferably, the fixed ring is connected with a limiting ring which shields the opening of the placing groove in a threaded manner.
Preferably, a positioning groove is formed in the bottom wall of the placing groove, and a clamping block inserted into the positioning groove is fixed on the pushing ring.
The beneficial effects of the utility model are as follows:
the device has the advantages that the structure is simple, the operation is convenient, the conception is novel, the practicability is high, the pushing ring can be started to move, the pushing ring can be used for pushing the clamping block, so that the clamping of a drill rod is realized, on one hand, the hollow motor, the pushing ring and the clamping block can be detachably installed, the device is convenient to maintain, on the other hand, the hollow motor does not need to use facilities such as an oil cylinder, the erection cost of the device is reduced, the inner edge surface of the clamping block is in an arc-shaped surface, the device is convenient to be attached to the outer edge surface of the drill rod better, the device can clamp the drill rod better, the extending block and the sliding groove are arranged, the clamping block can be conveniently guided, the clamping block can be moved along the direction of the sliding groove, and the tension spring is arranged, so that the clamping block can be conveniently restored to the initial position under the action of no external force.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a cut-away front perspective of the present utility model;
FIG. 3 is a schematic perspective view of the utility model in a cut-away front view with the hollow motor removed;
FIG. 4 is a schematic perspective view of the present utility model with the retaining ring removed;
in the figure, 1-securing ring; 2-a tension spring; 3-clamping blocks; 4-a sliding groove; 5-extension blocks; 6-a hollow motor; 7-pushing the ring; 8-placing grooves; 9-limiting blocks; 10-limiting rings; 11-positioning grooves; 12-clamping blocks.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
The utility model provides a from figure 1 to figure 4, a drill holder of automatic extension rod mechanism of drill jumbo, including one end and the fixed ring 1 that automatic extension rod mechanism cooperatees to use, there are a plurality of clamping blocks 3 along its axis equipartition through extension spring 2 sliding connection in the fixed ring 1, clamping block 3 is used for pressing from both sides tightly fixedly to the drilling rod, one side that clamping block 3 is close to the inner wall of fixed ring 1 is the inclined plane that inclines towards automatic extension rod mechanism direction, sliding connection has the drive structure that uses with clamping block 3 inclined plane cooperation in fixed ring 1, inwards tighten up between a plurality of clamping blocks 3 of drive structure drive.
The inner edge surfaces of a plurality of clamping blocks 3 are arc surfaces coaxial with the fixed ring 1, the arc surfaces of the clamping blocks 3 can be better attached to the outer edge surface of a drill rod, a sliding groove 4 corresponding to the clamping blocks 3 is formed in the fixed ring 1, an extending block 5 inserted into the sliding groove 4 is arranged on the clamping blocks 3, the extending block is connected with the fixed ring 1 through a tension spring 2, the extending block 5 is inserted into the sliding groove 4, the clamping blocks 3 can better slide, the tension spring 2 can enable the clamping blocks 3 to reset under the condition of not being stressed by external force, and clamping of the drill rod is relieved.
The driving structure comprises a hollow motor 6 which is detachably connected with the fixed ring 1, a pushing ring 7 which is in sliding connection with the fixed ring 1 is connected to an output shaft of the hollow motor 6 in a threaded manner, the pushing ring 7 is matched with the inclined surface of the clamping block 3 in use, the hollow motor 6 drives the output shaft on the pushing ring 7 to rotate, the output shaft drives the pushing ring 7 to slide, and the pushing ring 7 presses the inclined surface of the clamping block 3, so that a plurality of clamping blocks 3 are tightened mutually.
The fixed ring 1 is provided with a plurality of placing grooves 8 uniformly distributed along the axial direction, the outer side of the hollow motor 6 is fixedly connected with a limiting block 9 which is inserted into the placing grooves 8, the placing grooves 8 are convenient for installing the hollow motor 6, and the limiting block 9 is convenient for positioning and limiting the hollow motor 6.
The fixed ring 1 is connected with a limiting ring 10 which shields the opening of the placing groove 8 in a threaded manner, and the limiting ring 10 is connected with the fixed ring 1 in a threaded manner, so that the hollow motor 6 is further limited.
The positioning groove 11 is formed in the bottom wall of the positioning groove 8, the width of the positioning groove 11 is smaller than that of the positioning groove 8, the hollow motor 6 can be prevented from being displaced in the running process, the clamping block 12 inserted into the positioning groove 11 is fixed on the pushing ring 7, and the pushing ring 7 is oriented under the action of the clamping block 12 and the positioning groove 11, so that the pushing ring 7 can only move along the direction of the positioning groove 11.
When the automatic rod connecting device is used, the automatic rod connecting device is arranged at the tail end of the feeding direction of the automatic rod connecting mechanism, when a drill rod is required to be connected, the automatic rod connecting mechanism controls the hollow motor 6 to start, the output shaft of the hollow motor 6 rotates, the pushing ring 7 moves towards the clamping blocks 3 under the action of the threads and the positioning grooves 11, the inclined surfaces of the clamping blocks 3 are pressed, the clamping blocks 3 move inwards to clamp the drill rod, after the automatic rod connecting mechanism completes the connection of the drill rod, the automatic rod connecting mechanism controls the hollow motor 6 to rotate reversely, the pushing ring 7 moves in the direction away from the clamping blocks 3, the clamping blocks 3 are restored to the initial position under the action of the tension springs 2, and the drill rod is released from clamping and fixing.
The device has the advantages that the structure is simple, the operation is convenient, the conception is novel, the practicability is high, the pushing ring can be started to move, the pushing ring can be used for pushing the clamping block, so that the clamping of a drill rod is realized, on one hand, the hollow motor, the pushing ring and the clamping block can be detachably installed, the device is convenient to maintain, on the other hand, the hollow motor does not need to use facilities such as an oil cylinder, the erection cost of the device is reduced, the inner edge surface of the clamping block is in an arc-shaped surface, the device is convenient to be attached to the outer edge surface of the drill rod better, the device can clamp the drill rod better, the extending block and the sliding groove are arranged, the clamping block can be conveniently guided, the clamping block can be moved along the direction of the sliding groove, and the tension spring is arranged, so that the clamping block can be conveniently restored to the initial position under the action of no external force.
Claims (6)
1. The utility model provides a drill jumbo automatic extension rod mechanism's drill holder, its characterized in that, including one end and automatic extension rod mechanism cooperation fixed ring (1) that use, have a plurality of clamping blocks (3) of equipartition along its axis through extension spring (2) sliding connection in fixed ring (1), one side that clamping blocks (3) are close to fixed ring (1) inner wall is the inclined plane that inclines towards automatic extension rod mechanism direction, and fixed ring (1) sliding connection has the drive structure that uses with clamping blocks (3) inclined plane cooperation.
2. The drill bit holder of the automatic extension rod mechanism of the drill jumbo as claimed in claim 1, wherein: the inner edge surfaces of the clamping blocks (3) are arc surfaces coaxial with the fixed ring (1), sliding grooves (4) corresponding to the clamping blocks (3) are formed in the fixed ring (1), extension blocks (5) inserted into the sliding grooves (4) are arranged on the clamping blocks (3), and the extension blocks are connected with the fixed ring (1) through tension springs (2).
3. The drill bit holder of the automatic extension rod mechanism of the drill jumbo as claimed in claim 1, wherein: the driving structure comprises a hollow motor (6) which is detachably connected with the fixed ring (1), a pushing ring (7) which is slidably connected with the fixed ring (1) is connected to an output shaft of the hollow motor (6) in a threaded manner, and the pushing ring (7) is matched with the inclined surface of the clamping block (3) in use.
4. A drill chuck of a rock drill car autoloading bar mechanism according to claim 3, characterized in that: a plurality of placing grooves (8) which are uniformly distributed along the axial direction of the fixing ring (1) are formed in the fixing ring, and limiting blocks (9) which are inserted into the placing grooves (8) are fixedly connected to the outer side of the hollow motor (6).
5. The drill bit holder of the automatic extension rod mechanism of the drill jumbo as recited in claim 4, wherein: the fixing ring (1) is connected with a limiting ring (10) which shields the opening of the placing groove (8) in a threaded manner.
6. The drill bit holder of the automatic extension rod mechanism of the drill jumbo as recited in claim 4, wherein: a positioning groove (11) is formed in the bottom wall of the placing groove (8), and a clamping block (12) inserted into the positioning groove (11) is fixed on the pushing ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322063253.0U CN220267627U (en) | 2023-08-02 | 2023-08-02 | Drill bit of automatic rod connecting mechanism of drill jumbo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322063253.0U CN220267627U (en) | 2023-08-02 | 2023-08-02 | Drill bit of automatic rod connecting mechanism of drill jumbo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220267627U true CN220267627U (en) | 2023-12-29 |
Family
ID=89315104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322063253.0U Active CN220267627U (en) | 2023-08-02 | 2023-08-02 | Drill bit of automatic rod connecting mechanism of drill jumbo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220267627U (en) |
-
2023
- 2023-08-02 CN CN202322063253.0U patent/CN220267627U/en active Active
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