CN219509604U - Bottom pipe fixing device for extraction pipe hole - Google Patents
Bottom pipe fixing device for extraction pipe hole Download PDFInfo
- Publication number
- CN219509604U CN219509604U CN202320374835.8U CN202320374835U CN219509604U CN 219509604 U CN219509604 U CN 219509604U CN 202320374835 U CN202320374835 U CN 202320374835U CN 219509604 U CN219509604 U CN 219509604U
- Authority
- CN
- China
- Prior art keywords
- reverse
- wall
- transmission
- arm
- mechanical arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to the technical field of coal seam gas extraction pipes and discloses a pipe fixing device at the bottom of an extraction pipe, which comprises a pipe body, wherein a sliding groove is formed in the pipe body, a transmission block is slidably arranged on the inner wall of the sliding groove, a connecting column is fixedly arranged at the end part of the transmission block, the end part of the connecting column is hinged with the top end of a supporting rod, the bottom end of the supporting rod is hinged with a reverse mechanical arm, and a grabbing component is arranged in the reverse mechanical arm. This take out solid tub of device in bottom of production pipe, in order to improve the dynamics of snatching between reverse arm and pore wall and the coal seam, through being provided with snatching the subassembly, cooperation transmission toothed bar, transmission gear three, driving bevel gear and driven bevel gear's transmission to make snatch the spiral cone and can insert pore wall or coal seam tightly when reverse arm moves, further guarantee the stability of reverse arm and snatch the fastening degree, promote the solid tub of effect in bottom of production pipe.
Description
Technical Field
The utility model relates to the technical field of coal seam gas extraction pipes, in particular to a pipe fixing device at the bottom of an extraction pipe hole.
Background
Along with the expansion of the production scale of the coal mine and the continuous increase of the mining depth, the geological conditions of the mine become more and more complex, when the construction of the geological abnormal zone such as the soft coal seam, the broken coal seam and the like is drilled, the drilling cuttings are large, the slag is difficult to discharge, the stability of the hole wall is poor, the hole wall is easy to collapse, after the gas extraction pipe is lowered to the bottom of the hole, as the bottom of the gas extraction pipe has no rooting point, the gas extraction protection pipe is withdrawn along with the lifting of the drill pipe to produce backward sliding and falling off, and is easy to be taken out by the drill pipe, so that the gas extraction pipe is difficult to be lowered to the bottom of the hole to influence the gas extraction effect of the drilled hole, and therefore, the pipe fixing device at the bottom of the extraction pipe is needed to be used.
According to the disclosed coal-bed gas extraction pipe hole bottom pipe fixing device (publication number: CN 216894313U), in the application, the coal-bed gas extraction pipe hole bottom pipe fixing device is arranged at the bottom end of a gas extraction pipe, forward direction of the coal-bed gas extraction pipe hole bottom pipe fixing device can smoothly move forward, a reverse mechanical arm is opened, the coal-bed gas extraction pipe hole bottom pipe fixing device is hung on the hole wall and cannot exit, a gas extraction protection pipe is prevented from sliding backwards and falling along with the exit of a lifting drill, the technical problem that a soft coal-bed gas extraction pipe cannot be in place is solved, the gas extraction pipe is ensured to be in the bottom of the hole, and the drilling gas extraction effect is ensured.
However, in the actual use process of the device, the reverse mechanical arm plays a role in retreating by means of the force of inserting the reverse mechanical arm into a coal seam or clamping the end part of the reverse mechanical arm on the hole wall when the reverse mechanical arm stretches out, so that the bottom pipe fixing of the gas extraction pipe hole is realized, but the clamping or clamping mode is large in abrasion on the reverse mechanical arm, and the left and right abutting effects are different due to unbalanced force when the reverse mechanical arm stretches out downwards, so that the clamping effect of the reverse mechanical arm is influenced, and the stable pipe fixing effect cannot be kept in the subsequent pipe fixing process; in view of this, we propose a drainage pipe hole bottom pipe fixing device.
Disclosure of Invention
The utility model aims to provide a pipe fixing device at the bottom of a pumping pipe hole, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take out solid tub device in bottom of drainage pipe hole, includes the body, the spout has been seted up to the inside of body, the inner wall slidable mounting of spout has the drive block, the tip fixed mounting of drive block has the spliced pole, the tip of spliced pole articulates there is the top of branch, the bottom of branch articulates there is reverse arm, the inside of reverse arm is provided with snatchs the subassembly, snatch the subassembly and include:
the inner wall of the reverse mechanical arm is provided with a transmission toothed bar in a sliding manner, the inner wall of the reverse mechanical arm is provided with a transmission gear III in a rotating manner, the transmission gear III is fixedly provided with a driving bevel gear in a coaxial manner, and the inner wall of the reverse mechanical arm is provided with a driven bevel gear in a rotating manner;
the lower surface of the driven bevel gear is fixedly connected with the top end of the grabbing spiral cone, the grabbing spiral cone penetrates through a positioning disc, and the positioning disc is fixedly connected with the grabbing spiral cone;
the telescopic link, the bottom fixed surface installs the bottom of telescopic link under the bottom of reverse arm, the top fixed mounting of telescopic link has the connecting block, the bottom fixed surface is connected with reset spring's bottom under the bottom of reverse arm, reset spring's top fixed connection is at the lower surface of connecting block.
Preferably, the number of the supporting rods and the reverse mechanical arms is two, and the two groups of the supporting rods and the reverse mechanical arms are symmetrically arranged by taking the central axis of the pipe body as a symmetrical axis.
Preferably, a sliding groove matched with the transmission toothed bar is formed in the inner wall of the reverse mechanical arm.
Preferably, a rotating groove matched with the positioning disc is formed in the inner wall of the reverse mechanical arm.
Preferably, the inside of body is provided with drive assembly, drive assembly is including the ejector pin, the lower fixed surface of drive piece is connected with the top of ejector pin, the top of the bottom fixedly connected with pinion rack of ejector pin, the inner wall rotation of body is installed the bull stick, the bull stick runs through there is drive gear one, and drive gear one and bull stick fixed connection, drive gear one's lateral wall fixedly connected with spiral spring's tip, spiral spring's the other end fixed connection is on the arc outer wall of bull stick, drive gear two is installed in the inner wall rotation of body.
Preferably, the spiral spring is sleeved on the arc-shaped outer wall of the rotating rod.
Compared with the prior art, the utility model provides a bottom pipe fixing device for a drainage pipe hole, which has the following beneficial effects:
1. this take out solid tub of device in bottom of production pipe, in order to improve the dynamics of snatching between reverse arm and pore wall and the coal seam, through being provided with snatching the subassembly, cooperation transmission toothed bar, transmission gear three, driving bevel gear and driven bevel gear's transmission to make snatch the spiral cone and can insert pore wall or coal seam tightly when reverse arm moves, further guarantee the stability of reverse arm and snatch the fastening degree, promote the solid tub of effect in bottom of production pipe.
2. This take out solid tub of device in bottom of drainage pipe hole, in order to make reverse arm can support down tightly better, through being provided with drive assembly, the transmission between cooperation pinion rack and drive gear two and the drive gear one to make reverse arm after expanding the state that the volute spring continues to tighten up, and then make the bull stick keep tightening state, in order to make it drive reverse arm keep better maintenance expansion state, and then guarantee the solid tub of effect of body.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the enlarged partial structure of the area A in FIG. 2 according to the present utility model;
FIG. 4 is a schematic view of the structure of the area B in FIG. 2 in an enlarged partial view according to the present utility model;
fig. 5 is a schematic top view of the transmission gear of the present utility model.
In the figure: 1. a tube body; 2. a chute; 3. a transmission block; 4. a connecting column; 5. a support rod; 6. a reverse mechanical arm; 7. a transmission assembly; 71. a push rod; 72. a toothed plate; 73. a rotating rod; 74. a first transmission gear; 75. a volute spring; 76. a transmission gear II; 8. a grabbing component; 81. a transmission toothed bar; 82. a transmission gear III; 83. a drive bevel gear; 84. a driven bevel gear; 85. grabbing a spiral cone; 86. a positioning plate; 87. a telescopic rod; 88. a connecting block; 89. and a return spring.
Detailed Description
As shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides a fixed pipe device in bottom of drainage pipe hole, including body 1, spout 2 has been seted up to the inside of body 1, spout 2's inner wall slidable mounting has transmission piece 3, the tip fixed mounting of transmission piece 3 has spliced pole 4, spliced pole 4's tip articulates there is the top of branch 5, the bottom of branch 5 articulates there is reverse arm 6, reverse arm 6's inside is provided with snatchs subassembly 8, snatch subassembly 8 is including transmission toothed bar 81, reverse arm 6's inner wall slidable mounting has transmission toothed bar 81, reverse arm 6's inner wall rotation installs transmission gear three 82, transmission gear three 82 coaxial fixed mounting has initiative bevel gear 83, reverse arm 6's inner wall rotation is installed driven bevel gear 84, the lower surface fixedly connected with snatchs the top of spiral cone 85, snatch spiral cone 85 runs through there is positioning disk 86, and positioning disk 86 and snatch spiral cone 85 fixed connection, reverse arm 6's bottom lower surface fixed mounting has telescopic link 87's top, telescopic link 87's top fixed mounting has connecting block 88, reverse arm 6's bottom lower surface fixed connection has reset spring 89's top, reset spring 89's bottom fixed connection is at the lower surface of connecting block 88.
In one embodiment of the present utility model, the sliding chute 2 is disposed at the central axis of the pipe body 1, meanwhile, the side wall of the pipe body 1 is provided with a receiving groove, and the receiving groove is matched with the size of the reversing mechanical arm 6, so that the supporting rod 5 and the reversing mechanical arm 6 can be received, meanwhile, the number of the supporting rod 5 and the reversing mechanical arm 6 is provided with two groups, the two groups of supporting rods 5 and the reversing mechanical arm 6 are symmetrically disposed by taking the central axis of the pipe body 1 as a symmetrical axis, meanwhile, the inner wall of the reversing mechanical arm 6 is provided with a sliding groove matched with the transmission toothed bar 81, so that the transmission toothed bar 81 can slide on the inner wall of the reversing mechanical arm 6, in addition, the transmission gear three 82 is meshed with the transmission toothed bar 81, further, the driven bevel gear 84 is meshed with the driving bevel gear 83 and realizes transmission, so that the transmission toothed bar 81 can drive the transmission gear three 82 to rotate when the transmission toothed bar 81 slides on the inner wall of the reversing mechanical arm 6, the driving bevel gear 83 and the driven bevel gear 84 are matched to drive the grabbing screw cone 85 to rotate, in particular, a thread groove with a wider width is formed in the outer wall of the grabbing screw cone 85 to increase grabbing force of the grabbing screw cone 85 in a coal seam or a hole wall, meanwhile, a rotating groove matched with the positioning disc 86 is formed in the inner wall of the reverse mechanical arm 6 to enable the positioning disc 86 to limit relative displacement between the grabbing screw cone 85 and the reverse mechanical arm 6 during movement, so that the grabbing screw cone 85 can better provide grabbing force for the reverse mechanical arm 6, further, the end part of the connecting block 88 is fixedly connected to the side wall of the transmission toothed bar 81, meanwhile, the reset spring 89 is sleeved on the outer side of the telescopic rod 87 to limit the deformation direction of the reset spring 89 by the telescopic rod 87, thereby make reset spring 89 carry out deformation along the flexible direction of motion of telescopic link 87 all the time when receiving extrusion or tensile, and the phenomenon of deflection can not appear, and then make reset spring 89 can provide stable transmission effect for connecting block 88 and transmission toothed bar 81 better.
In addition, in order to make reverse arm 6 support downwards tightly better, the inside of body 1 is provided with drive assembly 7, drive assembly 7 is including ejector pin 71, the lower surface fixedly connected with ejector pin 71's of drive block 3 top, the bottom fixedly connected with pinion rack 72's top, the bull stick 73 is installed in the rotation of body 1's inner wall, bull stick 73 runs through there is drive gear one 74, and drive gear one 74 and bull stick 73 fixed connection, drive gear one 74's lateral wall fixedly connected with spiral spring 75's tip, spiral spring 75's the other end fixed connection is on the arc outer wall of bull stick 73, drive gear two 76 is installed in the rotation of body 1's inner wall.
In the embodiment of the utility model, the ejector rod 71 is slidably connected with the inner wall of the pipe body 1, the side insection of the second transmission gear 76 is meshed with the toothed plate 72 to realize transmission, and meanwhile, the left insection of the second transmission gear 76 is meshed with the first transmission gear 74 to realize transmission, specifically, when the transmission block 3 moves downwards, the ejector rod 71 pushes the toothed plate 72 downwards to drive the second transmission gear 76 to rotate, and meanwhile, the spiral spring 75 is sleeved on the arc-shaped outer wall of the rotating rod 73, so that the rotating rod 73 can obtain a more stable transmission effect.
In the utility model, when the pipe body 1 is used, the pipe body is tunneled downwards along with the extraction pipe, at the moment, the reverse mechanical arm 6 is accommodated in the accommodating groove formed in the side wall of the pipe body 1, interference is not caused to downwards tunnelling of the device, when the extraction pipe is outwards extracted, the end surface of the reverse mechanical arm 6 is abutted with the hole wall, so that the pipe body 1 moves upwards along with the extraction pipe, the reverse mechanical arm 6 rotates at the rotating point of the installation part of the pipe body 1, the supporting rod 5 and the reverse mechanical arm 6 are fully unfolded, meanwhile, in order to improve the grabbing force between the reverse mechanical arm 6 and the hole wall and between the reverse mechanical arm 6 and the coal seam, the transmission assembly 8 is matched with the transmission toothed bar 81, the transmission gear three 82, the driving bevel gear 83 and the driven bevel gear 84, the spiral bevel gear 85 can be tightly inserted into the hole wall or the coal seam when the reverse mechanical arm 6 moves, the stability and the grabbing degree of the reverse mechanical arm 6 are further ensured, the pipe fixing effect of the bottom of the extraction pipe hole is improved, in addition, the reverse mechanical arm 6 can be well enabled to rotate at the rotating point of the installation part of the extraction pipe body 1, the supporting rod 5 and the reverse mechanical arm 6 are fully unfolded, and the transmission assembly 75 is enabled to be further enabled to keep the state of the reverse mechanical arm to be kept by the transmission assembly to be tightly matched with the transmission toothed bar 7, and the spiral bevel gear 74 is kept in a state, and the state of the reverse mechanical arm is kept to be further tightly unfolded, and the state is further tightly stretched by the transmission assembly 76 is kept between the transmission assembly and the spiral rope is kept in a state between the transmission assembly and the transmission assembly is kept tightly 75 and the transmission state is kept tightly stretched between the spiral 7.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a take out solid tub of device in bottom of drainage pipe hole, includes body (1), spout (2) have been seted up to the inside of body (1), the inner wall slidable mounting of spout (2) has drive block (3), the tip fixed mounting of drive block (3) has spliced pole (4), the tip of spliced pole (4) articulates there is the top of branch (5), the bottom of branch (5) articulates there is reverse arm (6), its characterized in that: the inside of reverse arm (6) is provided with snatchs subassembly (8), snatch subassembly (8) include:
the transmission rack comprises a transmission rack rod (81), wherein the transmission rack rod (81) is slidably arranged on the inner wall of the reverse mechanical arm (6), a transmission gear III (82) is rotatably arranged on the inner wall of the reverse mechanical arm (6), a driving bevel gear (83) is coaxially and fixedly arranged on the transmission gear III (82), and a driven bevel gear (84) is rotatably arranged on the inner wall of the reverse mechanical arm (6);
the lower surface of the driven bevel gear (84) is fixedly connected with the top end of the grabbing spiral cone (85), the grabbing spiral cone (85) penetrates through a positioning disc (86), and the positioning disc (86) is fixedly connected with the grabbing spiral cone (85);
the telescopic boom (87), the bottom lower surface fixed mounting of reverse arm (6) has the bottom of telescopic boom (87), the top fixed mounting of telescopic boom (87) has connecting block (88), the bottom of the bottom lower surface fixedly connected with reset spring (89) of reverse arm (6), the top fixed connection of reset spring (89) is at the lower surface of connecting block (88).
2. The extraction pipe hole bottom pipe fixing device according to claim 1, wherein: the number of the supporting rods (5) and the number of the reverse mechanical arms (6) are two, and the two groups of the supporting rods (5) and the reverse mechanical arms (6) are symmetrically arranged by taking the central axis of the pipe body (1) as a symmetrical axis.
3. The extraction pipe hole bottom pipe fixing device according to claim 1, wherein: the inner wall of the reverse mechanical arm (6) is provided with a sliding groove matched with the transmission toothed bar (81).
4. The extraction pipe hole bottom pipe fixing device according to claim 1, wherein: the inner wall of the reverse mechanical arm (6) is provided with a rotating groove matched with the positioning disc (86).
5. The extraction pipe hole bottom pipe fixing device according to claim 1, wherein: the inside of body (1) is provided with drive assembly (7), drive assembly (7) are including ejector pin (71), the lower fixed surface of drive piece (3) is connected with the top of ejector pin (71), the bottom fixedly connected with pinion rack (72) of ejector pin (71) top, the inner wall rotation of body (1) installs bull stick (73), bull stick (73) run through drive gear one (74), and drive gear one (74) and bull stick (73) fixed connection, the tip of drive gear one (74) lateral wall fixedly connected with spiral spring (75), the other end fixed connection of spiral spring (75) is on the arc outer wall of bull stick (73), drive gear two (76) are installed in the inner wall rotation of body (1).
6. The extraction pipe hole bottom pipe fixing device according to claim 5, wherein: the spiral spring (75) is sleeved on the arc-shaped outer wall of the rotating rod (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320374835.8U CN219509604U (en) | 2023-03-03 | 2023-03-03 | Bottom pipe fixing device for extraction pipe hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320374835.8U CN219509604U (en) | 2023-03-03 | 2023-03-03 | Bottom pipe fixing device for extraction pipe hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219509604U true CN219509604U (en) | 2023-08-11 |
Family
ID=87530251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320374835.8U Active CN219509604U (en) | 2023-03-03 | 2023-03-03 | Bottom pipe fixing device for extraction pipe hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219509604U (en) |
-
2023
- 2023-03-03 CN CN202320374835.8U patent/CN219509604U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102226395A (en) | Tunneling and drilling all-in-one machine | |
| CN219509604U (en) | Bottom pipe fixing device for extraction pipe hole | |
| CN102325945A (en) | Spray grouting equipment | |
| CN203394364U (en) | Hydraulic propeller for well drilling | |
| CN106245644B (en) | A kind of building municipal administration anchor pole | |
| CN117309465B (en) | Deep geological sample sampling device and sampling method | |
| CN116752902B (en) | Horizontal directional drilling equipment for improving drilling precision | |
| CN103362449A (en) | Retraction type long stroke hydraulic power pressurizer | |
| CN2200692Y (en) | Underreamer device | |
| CN201513122U (en) | Lateral wall reinforcing center drill rig of ropes | |
| CN104018839A (en) | Telescopic water gun based on spring chuck control | |
| CN209483216U (en) | Interior deslagging deep hole pressure-relief drill rig | |
| CN205206833U (en) | Helix formula tunnel tunnelling drill bit is gradually opened to monorail | |
| CN209293856U (en) | A kind of coal mine roadway safety detection device | |
| CN203961980U (en) | A kind of based on the flexible hydraulic giant of collet control | |
| CN216894313U (en) | Coal seam gas drainage pipe hole bottom pipe fixing device | |
| CN209354133U (en) | A kind of development machine for expanding former tunnel diameter and completing tunnel-liner | |
| CN115199310B (en) | Wheel type large-capacity multi-anchoring-agent continuous automatic installation device for coal mine | |
| CN114607303A (en) | Electrically-driven underground oil pipe internal cutting tool | |
| CN113445915B (en) | Hydraulic deflecting directional drilling device and method | |
| CN220378201U (en) | Multi-degree-of-freedom drilling mechanism for thin coal seam | |
| CN219431854U (en) | Anchor rod installation auxiliary device | |
| CN220979508U (en) | Intelligent tunneling and exploring drill arm | |
| CN220750973U (en) | Underground deep hole blasting charging device for coal mine | |
| CN215927300U (en) | Intelligent transmission instrument for downhole tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |