CN113976643A

CN113976643A - Laying pipe fixing device

Info

Publication number: CN113976643A
Application number: CN202111193808.2A
Authority: CN
Inventors: 姜仲杰
Original assignee: Liyang Runtian Machinery Manufacturing Co ltd
Current assignee: Liyang Runtian Machinery Manufacturing Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-01-28
Anticipated expiration: 2041-10-13
Also published as: CN113976643B

Abstract

The application relates to a laying pipe fixing device, and relates to the technical field of laying pipes. The pressing mechanism comprises a first sleeve and a plurality of pressing mechanisms, each pressing mechanism comprises a second sleeve, a pressing piece, an inserting rod and a transmission assembly, the second sleeve is fixedly connected with the inner wall of the first sleeve, the inserting rod slides in the second sleeve, one end, far away from the second sleeve, of the inserting rod is fixedly connected with the pressing piece, and the transmission assembly is located in the second sleeve. During the use, need not to support tight mechanism to each in proper order and adjust to reach the easy and simple to handle of laying pipe dismouting, and the higher effect of efficiency, when carrying out the in-process of dismouting to the laying pipe in addition, support tight mechanism and can realize supporting tightly or loosening to the laying pipe automatically, it is more convenient to operate.

Description

Laying pipe fixing device

Technical Field

The present application relates to the field of laying pipes, and more particularly, to laying pipe fixtures.

Background

A laying pipe fixing device is a device used to fix a laying pipe.

The prior Chinese patent with the publication number of CN212664526U comprises a laying pipe, a first sleeve and a plurality of uniformly distributed adjusting components, wherein the first sleeve is sleeved outside the laying pipe, the adjusting components are uniformly distributed on the first sleeve, and the adjusting components are abutted with the laying pipe. When the device is used, the adjusting components are sequentially adjusted to adjust the abutting degree of the laying pipe, and the laying pipe can be fixed or detached.

The related art described above has the following drawbacks: when the laying pipe is disassembled and assembled, the single adjusting assembly needs to be adjusted in sequence, and a large amount of time is consumed in the process, so that the disassembling and assembling efficiency of the laying pipe is low, and the improvement is needed.

Disclosure of Invention

To improve the problem of the lower dismouting efficiency to the laying pipe, the application provides laying pipe fixing device.

The application provides a laying pipe fixing device adopts following technical scheme:

the laying pipe fixing device comprises a first sleeve and a plurality of abutting mechanisms, wherein each abutting mechanism comprises a second sleeve, a pressing sheet, an inserting rod and a transmission assembly;

the transmission assembly comprises a worm wheel, a worm, a transmission gear, a transmission rack and a slide rail, the worm wheel and the transmission gear are rotatably connected with the inner wall of the second sleeve, the worm wheel and the transmission gear are coaxial and fixedly connected, the outer side wall of the first sleeve is penetrated with a abdicating hole, the abdicating hole is communicated with the second sleeve, the worm is penetrated in the abdicating hole and rotatably connected with the abdicating hole, one end of the worm, which is positioned in the second sleeve, is meshed with the worm, the slide rail is fixedly connected in the second sleeve, the transmission rack slides in the slide rail, the transmission rack is fixedly connected with the inserted bar, and the transmission gear is meshed with the transmission rack;

the second sleeve is provided with a driving mechanism, the driving mechanism comprises a driving roller and a plurality of linkage gears, the linkage gears are fixedly connected with one end, extending out of the second sleeve, of the worm, the linkage gears are coaxial with the worm, the driving roller is rotatably connected with the inner wall of the first sleeve, a driving shaft which is coaxial with the driving roller is arranged at the end part of the driving roller, a rotating hole is formed in the inner wall of the first sleeve in a penetrating mode, the driving shaft is rotatably arranged in the rotating hole in a penetrating mode, a driving gear which is coaxial with the driving shaft is arranged at one end, extending out of the first sleeve, of the driving shaft, and the driving gear is meshed with the linkage gears;

the outer side wall of the first sleeve is rotatably connected with a reversing gear, and the reversing gear is meshed with the adjacent linkage gear.

Through adopting above-mentioned technical scheme, during the installation, when the laying pipe inserts to first sleeve pipe, because the laying pipe will insert between two drive rollers, laying pipe excircle diameter is less than the interval between two drive rollers, and is greater than the interval between two slipmats, consequently this process laying pipe lateral wall contacts and produces the friction with the drive roller lateral wall, thereby make the drive roller take place to rotate, and then make drive gear drive the linkage gear and rotate, then through reversing gear's effect, make adjacent linkage gear turn to unanimously. The rotation of the linkage gear drives the worm to rotate, the transmission gear is indirectly driven to rotate, and the transmission gear is meshed with the transmission rack, so that the transmission rack slides in the sliding rail, the insertion rod can extend out of the second sleeve, and the pressing piece can be controlled to tightly support the laying pipe.

When the spinning pipe is disassembled, the spinning pipe is pulled out of the first sleeve to drive the driving roller to rotate in opposite directions with the driving roller when the spinning pipe is inserted, then the driving shaft, the driving gear, the linkage gear and the reversing gear are sequentially driven to rotate, the worm wheel and the transmission gear are sequentially driven to rotate by the rotation of the linkage gear, then the insertion rod is enabled to shrink into the second sleeve through the transmission rack through the rotation of the transmission gear, and further the loosening of the spinning pipe by the pressing sheet is achieved.

Optionally, the outer side wall of the driving roller is provided with a non-slip pad.

Through adopting above-mentioned technical scheme, the slipmat makes the drive roller lateral wall increase with the frictional force when laying pipe lateral wall contact, has guaranteed that the drive roller can rotate.

Optionally, a mounting groove is formed in the bottom wall of the driving roller, the non-slip mat is provided with a mounting plate, the mounting plate is inserted into the mounting groove, a slot is formed in the inner wall of the mounting groove, an insertion block is arranged on the mounting plate, and the insertion block is inserted into the slot.

Through adopting above-mentioned technical scheme, after the long-time work of slipmat, the slipmat surface is smooth because of the friction, leads to the frictional force between laying pipe and the slipmat to be insufficient, can take out the slipmat from mounting groove and slot this moment, can change into new slipmat.

Optionally, the outer side wall of the first sleeve is fixedly connected with a sliding block, an oil storage hole is formed in the top wall of the sliding block, an oil immersion sponge is arranged in the oil storage hole, and the oil immersion sponge is in contact with the linkage gear.

By adopting the technical scheme, the oil immersion sponge enables the linkage gear, the reversing gear and the driving gear not to be corroded and rusted easily, and reduces the friction force when the linkage gear, the reversing gear and the driving gear move.

Optionally, the oil storage hole bottom rotates and is connected with the rotation axis, just the rotation axis is worn to locate immersion oil sponge center department, the rotation axis is kept away from the one end fixedly connected with of slider with the inside lining gear of rotation axis with the axle center, inside lining gear tooth's fluted groove cover is equipped with the sponge strip, the sponge strip with the immersion oil sponge is connected, the inside lining gear with the linkage gear meshes mutually.

Through adopting above-mentioned technical scheme, the mesh of inside lining gear and linkage gear makes the sponge strip change and take place deformation to each corner of covering the tooth's socket that can be more accurate makes linkage gear's fat liquoring coverage rate higher, therefore lubricated effect is better.

Optionally, a spring for pushing the slider to face the linkage gear is connected between the outer side wall of the slider and the first sleeve, and the elastic direction of the spring is consistent with the linear direction of two points of the circle center of the linkage gear and the circle center of the lining gear.

Through adopting above-mentioned technical scheme, the spring makes linkage gear tighter with the meshing of inside lining gear to can extrude the oil content in the sponge strip, further improve lubricated effect.

Optionally, a sliding groove is formed in the outer side wall of the first sleeve, the length direction of the sliding groove is consistent with the linear direction of the connection of the circle centers of the two points of the linkage gear and the lining gear, and the sliding block is inserted into the sliding groove in an adaptive manner.

Through adopting above-mentioned technical scheme, when the spring promoted the slider and supported tightly towards the linkage gear, the spout was difficult for crooked when making the slider slide, has improved the stability when the slider slided.

Optionally, mounting holes are formed in the outer side wall of the sliding block and the outer side wall of the first sleeve, mounting columns are arranged at two ends of the spring, and the mounting columns are in threaded connection with the mounting holes.

Through adopting above-mentioned technical scheme for the spring is ageing the back, can in time dismantle and change the spring, thereby can continue to guarantee that inside lining gear meshes with the linkage gear mutually and supports tightly.

Optionally, the drive shaft fixedly connected with the drive gear of the drive shaft with the axle center, the drive gear is located in the first sleeve, the first sleeve inner wall rotates and is connected with the rotation post, the rotation post is kept away from first sheathed tube one end is connected with the fan piece, rotate post fixedly connected with the driven gear of rotation post with the axle center, the driven gear with be connected with the transmission cingulum between the drive gear, the transmission cingulum with the drive gear with the driven gear homogeneous phase meshing.

Through adopting above-mentioned technical scheme, when the laying pipe is when the dismouting, the drive roller will take place to rotate, indirectly makes the driving gear rotate and drive driven gear and rotate to can drive the rotation of fan piece, and then reach the effect of cooling to the inside of first sleeve-pipe.

Optionally, the fan blade is provided with an installation block, the installation block is provided with a disassembly hole, and one end of the rotating column, which is far away from the first sleeve, is in threaded connection with the disassembly hole.

By adopting the technical scheme, after the fan is used for a long time, the surface area of the fan blade is full of dust, and the mounting block is rotated, so that the separation of the fan blade and the rotating column can be realized, and the fan blade can be periodically detached and cleaned.

In summary, the present application includes at least one of the following benefits:

1. when the laying pipe is disassembled and assembled, the driving roller rotates to indirectly enable the driving gear to rotate and drive the driven gear to rotate, so that the fan blades can be driven to rotate, and the effect of cooling the interior of the first sleeve is achieved;

2. when the non-slip mat works for a long time, the surface of the non-slip mat is smooth due to friction, so that the friction force between the spinning pipe and the non-slip mat is insufficient, and the non-slip mat can be taken out from the mounting groove and the slot, and can be replaced by a new non-slip mat;

3. after the fan is used for a long time, the surface area of the fan blade is full of dust, and the installation block is rotated, so that the fan blade can be separated from the rotating column, and the fan blade can be periodically detached and cleaned.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic structural diagram for illustrating a connection relationship between a second sleeve and an insertion rod in an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural diagram for showing the connection relationship between the transmission gear and the transmission rack in the embodiment of the present application;

FIG. 5 is a schematic structural diagram for illustrating a connection relationship between a driving shaft and a linkage gear in an embodiment of the present application;

FIG. 6 is a partial enlarged view of FIG. 5 at B;

FIG. 7 is an enlarged view of a portion of FIG. 5 at C;

FIG. 8 is a schematic structural diagram for showing a connection relationship between a slider and a chute in an embodiment of the present application;

FIG. 9 is an enlarged view of a portion of FIG. 8 at D;

fig. 10 is a schematic structural diagram for showing a connection relationship between the sponge strip and the lining gear in the embodiment of the present application.

In the figure: 1. a first sleeve; 11. a hole of abdication; 12. rotating the hole; 13. a chute; 2. a tightening mechanism; 21. tabletting; 22. inserting a rod; 23. a second sleeve; 24. a transmission assembly; 241. a worm gear; 242. a worm; 243. a transmission gear; 244. a drive rack; 245. a slide rail; 3. a drive mechanism; 31. a drive roller; 311. a first driving roller; 312. a second driving roller; 313. a drive shaft; 3131. a driving gear; 3132. a drive gear; 32. a linkage gear; 33. a reversing gear; 34. a non-slip mat; 341. mounting a plate; 3411. inserting a block; 35. mounting grooves; 351. a slot; 4. a slider; 41. a rotating shaft; 42. a lining gear; 421. a sponge strip; 43. oil-impregnated sponge; 44. an oil storage hole; 5. a spring; 51. mounting a column; 6. mounting holes; 7. rotating the column; 71. a fan blade; 711. mounting blocks; 7111. disassembling the hole; 72. a driven gear; 8. a drive toothed belt; 9. a laying pipe; 10. and (3) supporting the ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

The embodiment of the application discloses a laying pipe fixing device. Referring to fig. 1, the laying pipe fixing device comprises a first sleeve 1 and four abutting mechanisms 2, wherein the four abutting mechanisms 2 are uniformly distributed inside the first sleeve 1, and each abutting mechanism 2 comprises a second sleeve 23, a pressing sheet 21 and an insertion rod 22. The second sleeve 23 is welded and fixed with the inner wall of the first sleeve 1, one end of the inserting rod 22 slides in the second sleeve 23, the other end of the inserting rod extends out of one end of the joint of the second sleeve 23 and the first sleeve 1, one end, far away from the second sleeve 23, of the inserting rod 22 is welded and fixed with the pressing piece 21, the surface of the pressing piece 21 is arc-shaped, and the pressing piece 21 is made of rubber materials, so that when the laying pipe 9 is tightly abutted, the laying pipe 9 is not easily damaged.

Referring to fig. 2, 3 and 4, each tightening mechanism 2 further includes a transmission assembly 24, each transmission assembly 24 includes a worm wheel 241, a worm 242, a transmission gear 243, a transmission rack 244 and a sliding rail 245, the worm wheel 241 and the transmission gear 243 are rotatably connected with the inner wall of the second sleeve 23 through a rotating shaft, and the worm wheel 241 and the transmission gear 243 are coaxial and are welded and fixed on the rotating shaft. The outside wall of the first sleeve 1 is provided with a yielding hole 11, the yielding hole 11 is communicated with the second sleeve 23, the worm 242 penetrates through the yielding hole 11 and is rotatably connected with the yielding hole 11 through a bearing, and one end of the worm 242, which is positioned in the second sleeve 23, is meshed with the worm wheel 241. The slide rail 245 is located in the second sleeve 23, and is welded and fixed with the inner wall of the second sleeve 23, the transmission rack 244 is located in the slide rail 245, and is connected with the slide rail 245 in a sliding manner, one end, far away from the first sleeve 1, of the transmission rack 244 and one end, close to the second sleeve 23, of the insertion rod 22 are welded and fixed, the worm gear 242 is rotated firstly, the worm wheel 241 is rotated, the transmission gear 243 is indirectly driven to rotate, the transmission gear 243 is meshed with the transmission rack 244, the transmission rack 244 slides in the slide rail 245, the insertion rod 22 can stretch in the second sleeve 23, and therefore the pressing piece 21 can be controlled to tightly abut against or loosen the laying pipe 9.

Referring to fig. 5, a driving mechanism 3 is disposed inside the first sleeve 1, the driving mechanism 3 includes four linkage gears 32 and two driving rollers 31, the linkage gears 32 are coaxial with the worm 242 and are all connected with one end of the worm 242 extending out of the second sleeve 23 by welding. Two drive rollers 31 are first drive roller 311 and second drive roller 312 respectively, first drive roller 311 and the equal vertical setting of second drive roller 312 are inside first sleeve 1, first drive roller 311 bottom is connected with the bottom wall rotation in first sleeve 1, the top welded connection of first drive roller 311 has drive shaft 313, the top wall rotates in second drive roller 312 top and the first sleeve 1 to be connected, the bottom welded connection of second drive roller 312 has drive shaft 313, roof and interior diapire all run through and have seted up rotation hole 12 in the first sleeve 1, corresponding rotation hole 12 is all worn to locate by two drive shafts 313, and rotate through the bearing with rotation hole 12 and be connected, the one end welding that drive shaft 313 stretches out first sleeve 1 has drive gear 3132 with the drive shaft 313 coaxial line, drive gear 3132 meshes with linkage gear 32 mutually. The outer side wall of the first sleeve 1 is rotatably connected with a reversing gear 33, and the reversing gear 33 is meshed with the adjacent linkage gear 32. When the laying pipe 9 is inserted into the first sleeve 1, the laying pipe 9 is inserted between the two driving rollers 31, so that the outer side wall of the laying pipe 9 contacts with the outer side wall of the driving roller 31 and generates friction in the process, the driving roller 31 rotates, the driving gear 3132 drives the linkage gear 32 to rotate, and then the adjacent linkage gears 32 rotate in the same direction under the action of the reversing gear 33. This process need not to adjust each tight mechanism 2 of supporting in proper order to reach the easy and simple to handle of laying pipe 9 dismouting, and the higher effect of efficiency, when carrying out the in-process of dismouting to laying pipe 9, support tight mechanism 2 and can realize supporting tightly or loosening to laying pipe 9 moreover, it is more convenient to operate.

Referring to fig. 6, the outer side wall of the driving roller 31 is provided with a non-slip pad 34, and the non-slip pad 34 is made of rubber, so that the friction force when the outer side wall of the driving roller 31 contacts with the outer side wall of the laying pipe 9 is increased, and the driving roller 31 can rotate. Mounting groove 35 has been seted up to drive roller 31 lateral wall, and the top of mounting groove 35 runs through the roof of drive roller 31, the diapire of drive roller 31 is not run through to the bottom of mounting groove 35, non slipping mat 34 has glued mounting panel 341 along width direction's both ends, and the width sum of two mounting panels 341 equals the width of mounting groove 35, two mounting panels 341 are inserted and are established to the mounting groove 35 in, slot 351 has all been seted up to the both sides lateral wall of mounting groove 35, and the roof of slot 351 runs through the roof of drive roller 31, mounting panel 341 lateral wall welding has inserted block 3411, inserted block 3411 adaptation is inserted and is established to the slot 351 in. After the anti-slip mat 34 works for a long time, the surface of the anti-slip mat 34 is smooth due to friction, so that the friction force between the laying pipe and the anti-slip mat 34 is insufficient, and at the moment, the anti-slip mat 34 can be taken out from the mounting groove 35 and the slot 351, so that the anti-slip mat 34 can be replaced conveniently.

Referring to fig. 7, a driving gear 3131 is coaxially welded to a driving shaft 313, the driving gear 3131 is located inside the first sleeve 1, a rotating column 7 is rotatably connected to an inner top wall and an inner bottom wall of the first sleeve 1, one end of the rotating column 7, which is far away from the first sleeve 1, is connected with a fan 71, the fan 71 is coaxial with the rotating column 7, the rotating column 7 is coaxially welded to a driven gear 72, a transmission toothed belt 8 is connected between the driven gear 72 and the driving gear 3131, and the transmission toothed belt 8 is engaged with the driving gear 3131 and the driven gear 72, so that the spinning tube 9 drives the driving roller 31 to rotate when being disassembled and assembled, thereby sequentially driving the driving shaft 313, the driving gear 3131, the transmission toothed belt 8 and the driven gear 72 to rotate, and further driving the fan 71 to rotate, thereby achieving a cooling effect inside the first sleeve 1.

The side wall of the driving shaft 31 is welded with the support ring 10, and the support ring 10 is abutted against the bottom wall of the transmission toothed belt 8, so that the transmission toothed belt 8 is not easy to fall off due to self gravity.

The fan blade 71 is welded with the mounting block 711, the mounting block 711 is provided with a dismounting hole 7111, one end of the rotating column 7, which is far away from the first sleeve 1, is in threaded connection with the dismounting hole 7111, and after the fan blade 71 is used for a long time, the surface area of the fan blade 71 is full of dust, so that the fan blade 71 can be periodically dismounted and cleaned.

Referring to fig. 8 and 9, the sliding groove 13 is formed in the top wall of the outer side of the first sleeve 1, the sliding block 4 is arranged in the sliding groove 13 in a sliding manner in a matching manner, the sliding block 4 is not prone to being skewed when sliding through the sliding groove 13, and stability of the sliding direction of the sliding block 4 is improved. An oil storage hole 44 is formed in the top wall of the sliding block 4, oil immersion sponge 43 is arranged in the oil storage hole 44, the cross section of the oil immersion sponge 43 is in an inverted convex shape, and the convex part is inserted into the oil storage hole 44.

Referring to fig. 9 and 10, the bottom of the oil storage hole 44 is rotatably connected with a rotating shaft 41, and the rotating shaft 41 upwards penetrates through the center of the oil immersion sponge 43, the top of the rotating shaft 41 is welded with a lining gear 42 which is coaxial with the rotating shaft 41, the length direction of the sliding chute 13 is consistent with the linear direction of the connection of the two point centers of the linkage gear 32 and the lining gear 42, the side wall of the lining gear 42 is provided with a sponge strip 421 in a gluing way, the sponge strip 421 and the top of the oil immersion sponge 43 are integrally formed, the lining gear 42 is meshed with the linkage gear 32 through the sponge strip 421, so that the sponge strip 421 is more easily deformed, thereby more accurately covering each corner of the tooth space, the oil coating coverage rate of the linkage gear 32 is higher, and the lubricating effect is better.

Referring to fig. 8 and 9, a spring 5 for pushing the slider 4 toward the linkage gear 32 is connected between the outer side wall of the slider 4 and the inner side wall of the sliding groove 13, and the elastic direction of the spring 5 is consistent with the linear direction connecting the centers of two points of the linkage gear 32 and the lining gear 42, so that the linkage gear 32 and the lining gear 42 are meshed more tightly, oil in the sponge strip 421 can be squeezed out, and the lubricating effect is further improved.

Mounting hole 6 has all been seted up to slider 4 lateral wall and spout 13 lateral wall, and the erection column 51 has all been welded at spring 5 both ends, and erection column 51 threaded connection is at mounting hole 6 for spring 5 is ageing back, can in time dismantle and change spring 5, thereby can continue to guarantee that inside lining gear 42 meshes with linkage gear 32 mutually and supports tightly.

The implementation principle of the laying pipe fixing device in the embodiment of the application is as follows: during installation, when the laying pipe 9 is inserted into the first sleeve 1, the laying pipe 9 is inserted from between the two driving rollers 31, the outer diameter of the laying pipe 9 is smaller than the distance between the two driving rollers 31 and larger than the distance between the two anti-slip pads 34, so that the outer side wall of the laying pipe 9 contacts with the outer side wall of the driving roller 31 and generates friction, the driving roller 31 rotates, the driving gear 3132 drives the linkage gear 32 to rotate, and then the adjacent linkage gears 32 rotate in a consistent direction under the action of the reversing gear 33. The rotation of the linkage gear 32 drives the worm 242 to rotate, indirectly drives the transmission gear 243 to rotate, and the transmission gear 243 is meshed with the transmission rack 244, so that the transmission rack 244 slides in the sliding rail 245, the insertion rod 22 can extend out of the second sleeve 23, and the pressing piece 21 can be controlled to tightly press the spinning pipe.

When the laying pipe 9 is disassembled, the laying pipe 9 is pulled out of the first sleeve 1, the driving roller 31 and the driving roller 31 when the laying pipe 9 is inserted are driven to rotate in opposite directions, then the driving shaft 313, the driving gear 3132, the linkage gear 32 and the reversing gear 33 are sequentially driven to rotate, the worm 241, the worm wheel 242 and the transmission gear 243 are sequentially driven to rotate by the rotation of the linkage gear 32, then the insertion rod 22 is contracted into the second sleeve 23 through the transmission rack 244 by the rotation of the transmission gear 243, and the laying pipe 9 is loosened through the pressing sheet 21.

To sum up, the dismouting process need not to adjust each tight mechanism 2 of supporting in proper order to reach the easy and simple to handle of laying pipe dismouting, and the higher effect of efficiency, when carrying out the in-process of dismouting to the laying pipe moreover, support tight mechanism 2 and can realize supporting tightly or loosening to the laying pipe automatically, it is more convenient to operate.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The laying pipe fixing device comprises a first sleeve (1) and a plurality of abutting mechanisms (2), wherein each abutting mechanism (2) comprises a second sleeve (23), a pressing sheet (21), an inserting rod (22) and a transmission assembly (24), the second sleeve (23) is fixedly connected with the inner wall of the first sleeve (1), the inserting rod (22) slides in the second sleeve (23), one end, far away from the second sleeve (23), of the inserting rod (22) is fixedly connected with the pressing sheet (21), and the transmission assembly (24) is located in the second sleeve (23);

the transmission assembly (24) comprises a worm wheel (241), a worm (242), a transmission gear (243), a transmission rack (244) and a sliding rail (245), the worm wheel (241) and the transmission gear (243) are connected with the inner wall of the second sleeve (23) in a rotating manner, the worm wheel (241) is connected with the transmission gear (243) in a coaxial and fixed manner, the outer side wall of the first sleeve (1) is penetrated and provided with a yielding hole (11), the yielding hole (11) is communicated with the second sleeve (23), the worm (242) is arranged in the yielding hole (11) in a penetrating manner and is connected with the yielding hole (11) in a rotating manner, the worm (242) is located at one end in the second sleeve (23) and meshed with the worm (242), the sliding rail (245) is fixedly connected in the second sleeve (23), the rack (244) slides in the sliding rail (245), the transmission rack (244) is fixedly connected with the inserted link (22), and the transmission gear (243) is meshed with the transmission rack (244);

the method is characterized in that: the second sleeve (23) is provided with a driving mechanism (3), the driving mechanism (3) comprises a driving roller (31) and a plurality of linkage gears (32), the linkage gear (32) is fixedly connected with one end of the worm (242) extending out of the second sleeve (23), the linkage gear (32) and the worm (242) are coaxial, the driving roller (31) is rotationally connected with the inner wall of the first sleeve (1), a driving shaft (313) coaxial with the driving roller (31) is arranged at the end part of the driving roller (31), a rotating hole (12) is formed in the inner wall of the first sleeve (1) in a penetrating way, the driving shaft (313) is rotatably arranged in the rotating hole (12) in a penetrating way, one end of the driving shaft (313) extending out of the first sleeve (1) is provided with a driving gear (3132) coaxial with the driving shaft (313), and the driving gear (3132) is meshed with the linkage gear (32);

the outer side wall of the first sleeve (1) is rotatably connected with a reversing gear (33), and the reversing gear (33) is meshed with the adjacent linkage gear (32).

2. The laying pipe fixture of claim 1 wherein: and the outer side wall of the driving roller (31) is provided with an anti-skid pad (34).

3. The laying pipe fixture of claim 2 wherein: mounting groove (35) have been seted up to drive roller (31) diapire, slipmat (34) are provided with mounting panel (341), mounting panel (341) are inserted and are established to in mounting groove (35), slot (351) have been seted up to mounting groove (35) inner wall, mounting panel (341) are provided with inserted block (3411), inserted block (3411) insert establish to in slot (351).

4. The laying pipe fixture of claim 1 wherein: first sleeve pipe (1) lateral wall fixedly connected with slider (4), oil storage hole (44) have been seted up to slider (4) roof, be provided with immersion oil sponge (43) in oil storage hole (44), immersion oil sponge (43) with linkage gear (32) contact.

5. The laying pipe fixture of claim 4 wherein: oil storage hole (44) hole bottom rotation is connected with rotation axis (41), just rotation axis (41) are worn to locate immersion oil sponge (43) center department, rotation axis (41) are kept away from the one end fixedly connected with of slider (4) with inside lining gear (42) of axle center in rotation axis (41), the tooth's socket cover of inside lining gear (42) is equipped with sponge strip (421), sponge strip (421) with immersion oil sponge (43) are connected, inside lining gear (42) with linkage gear (32) mesh mutually.

6. The laying pipe fixture of claim 5 wherein: a spring (5) used for pushing the sliding block (4) to face the linkage gear (32) is connected between the outer side wall of the sliding block (4) and the first sleeve (1), and the elastic direction of the spring (5) is consistent with the linear direction of two-point connection of the circle centers of the linkage gear (32) and the lining gear (42).

7. The laying pipe fixture of claim 5 wherein: a sliding groove (13) is formed in the outer side wall of the first sleeve (1), the length direction of the sliding groove (13) is consistent with the linear direction of two circle centers of the linkage gear (32) and the lining gear (42), and the sliding block (4) is inserted into the sliding groove (13) in an adaptive mode.

8. The laying pipe fixture of claim 6 wherein: mounting holes (6) have all been seted up to slider (4) lateral wall with first sleeve pipe (1) lateral wall, spring (5) both ends are provided with erection column (51), erection column (51) threaded connection be in mounting hole (6).

9. The laying pipe fixture of claim 1 wherein: drive shaft (313) fixedly connected with driving gear (3131) of drive shaft (313) with the axle center, driving gear (3131) is located in first sleeve (1), first sleeve (1) inner wall rotates and is connected with and rotates post (7), it keeps away from to rotate post (7) the one end of first sleeve (1) is connected with fan piece (71), rotate post (7) fixedly connected with rotate driven gear (72) of post (7) with the axle center, driven gear (72) with be connected with transmission cingulum (8) between driving gear (3131), transmission cingulum (8) with driving gear (3131) with driven gear (72) homogeneous phase meshing.

10. The laying pipe fixture of claim 9 wherein: the fan blade (71) is provided with an installation block (711), the installation block (711) is provided with a disassembly hole (7111), and one end of the rotating column (7) far away from the first sleeve (1) is in threaded connection with the disassembly hole (7111).