CN112928701A

CN112928701A - Underground pipe gallery cable laying traction device for municipal construction engineering

Info

Publication number: CN112928701A
Application number: CN202110136998.8A
Authority: CN
Inventors: 万修顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-06-08

Abstract

The invention provides a cable laying traction device for an underground pipe gallery of municipal construction engineering, which relates to the technical field of municipal engineering construction and aims to solve the problems that when a cable and wire traction device is used, a cable and wire need to pass through one end of the device and be led out from the other end, the tractable self-adaption capability is poor, the cable needs to be guided during traction, otherwise the cable can be separated from a traction mechanism, and knotting or loosening occurs, and the cable laying traction device comprises a traction plate body; the main body of the traction plate body is of a concave structure, and the two traction plate bodies are vertically and symmetrically fixedly connected; a traction driving unit is vertically and fixedly installed at the position, close to the rear, of the middle of the traction plate body; and a driven wheel set which slides longitudinally is vertically arranged at the front end of the traction plate body. According to the invention, the front end of the loop bar penetrates through the vertical plate of the traction plate body in a sliding manner, and the front end of the loop bar is tangent to the adjusting bar group in a sliding manner, so that the cable is pulled, and the cable traction device has strong self-adaptive capacity and can adapt to cables with different thicknesses.

Description

Underground pipe gallery cable laying traction device for municipal construction engineering

Technical Field

The invention relates to the technical field of municipal engineering construction, in particular to an underground pipe gallery cable laying traction device for municipal construction engineering.

Background

In municipal construction process, need carry out the engineering of laying of underground cable and electric wire, these cables and electric wire are all arranged at the underground pipe gallery usually, and traditional laying process all adopts the manual work to lay, at laying process, need draw from one section, and at present, the mode of mainly drawing through the manual work among the traction process commonly used adopts the manual work to draw, and operating strength is high, and work efficiency is low moreover, consequently, need design a traction device is laid to the underground pipe gallery cable electric wire of municipal construction engineering.

Draw gear is laid to municipal construction engineering's underground pipe gallery cable wire as in patent application CN201820887226.1, it includes the bottom plate, fixed mounting has the box on the bottom plate, the inside of box is installed bottom friction conveyer belt subassembly and the top friction conveyer belt subassembly of mutually supporting through first vertical pole and the vertical pole parallel arrangement of second, bottom friction conveyer belt subassembly and top friction conveyer belt subassembly all link to each other with being used for driving its driven power device, are provided with entrance hole and wire hole respectively at the both sides face of box, install on the bottom plate of entrance hole and wire hole position and be used for the guiding mechanism to the cable direction. The traction device can be used for traction operation of cable wires, so that the traditional manual operation mode is replaced, the working efficiency is greatly improved, and the labor intensity of operators is reduced.

When the cable and wire traction device is used, the cable and wire need to be passed through one end of the device and led out from the other end, so that the traction device is determined to be installed at the initial position needing traction, or the traction device needs to be moved forwards for traction, the use is very inconvenient, the self-adaptive capacity of traction is poor, the cable also needs to be guided during traction, otherwise, the traction mechanism can be separated, and the problems of knotting or loosening can occur.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a draft gear for laying underground pipe gallery cables for municipal construction engineering is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a cable laying traction device for an underground pipe gallery of municipal construction engineering, which aims to solve the problems that when the cable wire traction device is used, a cable wire needs to be led out from one end of the device and is led out from the other end, so that the traction device is determined to be either installed at the initial position needing traction or needs to be moved forwards for traction, the use is very inconvenient, the self-adaptive capacity of traction is poor, the cable needs to be guided during traction, otherwise the cable can be separated from a traction mechanism, and knotting or loosening occurs.

The invention relates to a traction device for laying underground pipe gallery cables for municipal construction engineering, which has the purpose and effect achieved by the following specific technical means:

a underground pipe gallery cable laying traction device for municipal construction engineering comprises a traction plate body; the main body of the traction plate body is of a concave structure, and the two traction plate bodies are vertically and symmetrically fixedly connected; a traction driving unit is vertically and fixedly installed at the position, close to the rear, of the middle of the traction plate body; a driven wheel set which slides longitudinally is vertically arranged at the front end of the traction plate body; the edge parts of the front ends of the upper traction plate body and the lower traction plate body are vertically and fixedly provided with an adjusting rod group; the middle part of the adjusting rod group is sleeved with the protruding part at the front end of the driven wheel group in a sliding way; a longitudinal cable is slidably arranged between the traction driving unit and the driven wheel set; two clamping and releasing mechanisms are longitudinally and symmetrically arranged at the position between the upper traction plate body and the lower traction plate body.

Further, the traction plate body comprises clamping guide holes, connecting blocks and clamping guide grooves, the four corners between the traction plate bodies are fixedly provided with the connecting blocks, the upper portion and the lower portion are respectively provided with longitudinal clamping guide holes at the left end and the right end close to the front portion of the traction plate body, the driven wheel group is longitudinally slidably mounted in the clamping guide holes, the front end and the rear end of the traction plate body below are respectively provided with longitudinal clamping guide grooves which are bilaterally symmetrical, and the clamping mechanism is longitudinally slidably mounted in the clamping guide grooves.

Further, pull the drive unit and include the motor, pull roller, belt and initiative wire sheave, pull the vertical inversion of left end position department at drive unit top and install the motor, pull the drive unit about both ends respectively vertical rotation install pull the roller, the pull roller upper end of left end is connected through the shaft coupling rotation with the pivot of motor, it is connected through the belt rotation to control between two upper ends of pulling the roller, pull the roller and be located two upper and lower fixed mounting of position department between the traction plate body and have the initiative wire sheave, set up vertical draw-in groove on its initiative wire sheave's the dado.

Furthermore, the driven wheel set comprises a driven roll shaft, a driven line sheave, a guide fixture block and a loop bar, the driven roll shaft is vertically and rotatably installed at the left end and the right end of the driven wheel set respectively, the driven line sheave is fixedly installed at the position, located between the upper traction plate body and the lower traction plate body, of the driven roll shaft, the wedge-shaped guide fixture block tangent to the traction plate body is fixedly installed at the position, located at the upper end and the lower end of the traction plate body, of the driven roll shaft respectively, the U-shaped loop bar is vertically and fixedly installed at the upper end and the lower end of the front end side wall of the driven wheel set respectively, the front end of the loop bar penetrates through a vertical plate of the traction plate body in a.

Further, the clamping mechanism comprises clamping seat blocks, clamping rods, springs and extrusion fixture blocks, the clamping seat blocks are symmetrically and fixedly installed on the top plane of the traction plate body below, the clamping rods are vertically and slidably installed in the left clamping seat block and the right clamping seat block, wedge-shaped extrusion fixture blocks are fixedly installed at the inner end positions of the clamping rods respectively, the upper ends of the extrusion fixture blocks are of cylindrical structures, the lower ends of the extrusion fixture blocks are slidably clamped in the clamping guide grooves, the inner ends of the extrusion fixture blocks are of inclined plane structures, and the springs are sleeved on the clamping rods.

Furthermore, the adjusting rod group comprises a screw rod, a guide clamping plate and a guide rail plate, the screw rod is installed in the middle of the adjusting rod group in a vertical rotating mode, the adjusting rod group is connected with the vertical guide clamping plate in a threaded mode, the upper end and the lower end of the guide clamping plate are respectively fixedly provided with the guide rail plate which penetrates left and right, the guide rail plate is of a bent structure, the upper end of the guide rail plate is close to the front, the lower end of the guide rail plate is close to the rear, and the clamping rod is clamped in the guide rail plate in a sliding.

Compared with the prior art, the invention has the following beneficial effects:

because the front end of loop bar slides and passes the riser of pulling the plate body, the front end of loop bar slides with the adjusting lever group and tangents, driven wheelset can with pull the drive unit and mutually cooperate the drive cable and pull, and direction fixture block and loop bar can with adjusting lever group mutually cooperate for driven wheelset can move in pressing from both sides tight guiding hole, and then can cooperate the cable of putting into with pulling the drive unit and press from both sides tightly, thereby pull the cable, self-adaptation ability is strong, the cable of adaptable different thicknesses.

Because the inner of extrusion fixture block is the inclined plane structure, the cover is equipped with the spring on putting the pole in the card, when the cable from below upwards carrying, can extrude the inner inclined plane of direction fixture block, make direction fixture block outwards remove, a spring, the cable is in when top position through direction fixture block, direction fixture block resets under the effect of spring, the cable is in just at this moment and pulls between drive unit and the driven wheelset, it is tight that the driven wheelset pushes away the clamp, it can pull to open and pull the drive unit, the device can be followed the cable middle part of being pull and is assisted and pull, need not penetrate the cable from one end, can follow the below card and go into, and is convenient and fast, can adapt to each position and pull, improvement traction efficiency and use scene that can be very big.

Because the pole is put to the card then the slip joint in the guide rail board, when rotatory lead screw, the direction cardboard carries out vertical movement, when the downstream, the accessible guide rail board pulls the loop bar and moves outward, make driven wheelset move outward, can make the cable be in not tight state of clamp, conveniently take out, and when the rebound, the accessible guide rail board pulls the loop bar and moves inwards, make driven wheelset move inwards, thereby press from both sides the cable clamp, the horizontal clamp is realized in the vertical adjustment of accessible, and utilize the auto-lock function of lead screw, can realize the fixed point and fix, and is convenient and fast.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic view of the left front upper axial view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a schematic view of the left front lower axial view of the present invention.

FIG. 4 is a schematic axial view of the present invention showing the two parts separated from each other.

Fig. 5 is a schematic view of the front half of the present invention in a lower axial configuration.

Fig. 6 is a schematic axial view of the driven wheel set and the traction plate body part of the present invention in a separated state.

Fig. 7 is a partial axial view of the driven wheel set and the adjusting lever set of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a traction plate body; 101. clamping the guide hole; 102. connecting blocks; 103. clamping and placing the guide groove; 2. a traction drive unit; 201. a motor; 202. a traction roller shaft; 203. a belt; 204. a driving line sheave; 3. a driven wheel set; 301. a driven roller shaft; 302. a driven line sheave; 303. a guide clamping block; 304. a loop bar; 4. a card placing mechanism; 401. clamping the seat block; 402. clamping the rod; 403. a spring; 404. extruding the fixture block; 5. an adjusting rod set; 501. a screw rod; 502. a guide clamping plate; 503. a guide rail plate; 6. an electrical cable.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 7:

the invention provides a cable laying and traction device for an underground pipe gallery for municipal construction engineering, which comprises a traction plate body 1; the main body of the traction plate body 1 is of a concave structure, and the two traction plate bodies 1 are fixedly connected in an up-down symmetrical manner; a traction driving unit 2 is vertically and fixedly arranged at the position, close to the rear, of the middle part of the traction plate body 1; the front end of the traction plate body 1 is vertically provided with a driven wheel set 3 which slides longitudinally; the edge parts of the front ends of the upper traction plate body 1 and the lower traction plate body 1 are vertically and fixedly provided with an adjusting rod group 5; the middle part of the adjusting rod group 5 is sleeved with the protruding part at the front end of the driven wheel group 3 in a sliding way; a longitudinal cable 6 is slidably arranged between the traction driving unit 2 and the driven wheel set 3; two clamping and placing mechanisms 4 are longitudinally and symmetrically arranged at the position between the upper traction plate body 1 and the lower traction plate body 1.

Wherein, the traction plate body 1 comprises a clamping guide hole 101, a connecting block 102 and a clamping guide groove 103, the connecting block 102 is fixedly arranged at the four corners between the upper traction plate body 1 and the lower traction plate body 1, the left end and the right end near the front part of the middle parts of the upper traction plate body and the lower traction plate body 1 are respectively provided with a longitudinal clamping guide hole 101, the driven wheel group 3 is longitudinally and slidably arranged in the clamping guide hole 101, the driven wheel group 3 can move in the clamping guide hole 101, the driven wheel group 3 moves inwards to clamp the cable 6 between the traction drive units 2, so that the cable 6 can move forward through the traction driving unit 2, the front and rear ends of the traction plate body 1 below are respectively provided with longitudinal clamping and placing guide grooves 103 which are bilaterally symmetrical, the clamping and placing mechanism 4 is longitudinally and slidably arranged in the clamping and placing guide grooves 103, a movable guide may be provided for the card placement mechanism 4 in order to ensure that the card placement mechanism 4 can hold the cable 6.

Wherein the traction drive unit 2 comprises a motor 201, a traction roller shaft 202, a belt 203 and a driving line sheave 204, the motor 201 is vertically arranged at the left end position of the top of the traction drive unit 2 in an inverted manner, the traction roller shaft 202 is vertically and rotatably arranged at the left end and the right end of the traction drive unit 2 respectively, the upper end of the traction roller shaft 202 at the left end is rotatably connected with a rotating shaft of the motor 201 through a coupling, the upper ends of the left traction roller shaft 202 and the right traction roller shaft 202 are rotatably connected through the belt 203, the driving line sheave 204 is fixedly arranged at the position of the traction roller shaft 202 between the upper traction plate body 1, a vertical clamping groove is arranged on the protecting wall of a driving line grooved pulley 204, when a motor 201 of a traction drive unit 2 rotates, a traction roller shaft 202 rotates to drive the driving line grooved pulley 204 to rotate, thereby causing the cable 6 between the driving wire sheave 204 and the driven wire sheave 302 to move forward, thereby completing the traction guidance of the cable 6.

Wherein, the driven wheel group 3 comprises a driven roller shaft 301, a driven line grooved wheel 302, a guiding fixture block 303 and a loop bar 304, the left and right ends of the driven wheel group 3 are respectively and vertically and rotatably provided with the driven roller shaft 301, the driven roller shaft 301 is positioned between the upper and lower traction plate bodies 1 and is fixedly provided with a driven line grooved wheel 302, the driven roller shaft 301 is positioned at the upper and lower ends of the traction plate bodies 1 and is respectively and fixedly provided with a wedge-shaped guiding fixture block 303 tangent to the traction plate body 1, the upper and lower ends of the side wall of the front end of the driven wheel group 3 are respectively and vertically and fixedly provided with a U-shaped loop bar 304, the front end of the loop bar 304 slides and passes through the vertical plate of the traction plate body 1, the front end of the loop bar 304 slides and is tangent to the adjusting bar group 5, the driven wheel group 3 can be matched with the traction driving unit 2 to drive the cable 6 to be pulled, and the guiding fixture block 303 and the loop, and then can cooperate with traction drive unit 2 with the cable 6 of putting into and press from both sides tightly to pull cable 6, self-adaptation ability is strong, adaptable cable 6 of different thicknesses.

Wherein, the clamping mechanism 4 comprises clamping seat blocks 401, clamping rods 402, springs 403 and an extrusion fixture block 404, the two clamping seat blocks 401 are symmetrically and fixedly installed on the top plane of the traction plate body 1 below, the clamping rods 402 are vertically and slidably installed in the left and right clamping seat blocks 401, wedge-shaped extrusion fixture blocks 404 are respectively and fixedly installed at the inner end positions of the clamping rods 402, the upper end of each extrusion fixture block 404 is of a cylindrical structure, the lower end of each extrusion fixture block 404 is slidably clamped in the clamping guide groove 103, the inner end of each extrusion fixture block 404 is of an inclined plane structure, the springs 403 are sleeved on the clamping rods 402, when the cable 6 is lifted from the lower direction, the inclined planes at the inner ends of the guide fixture blocks 303 can be extruded, so that the guide fixture blocks 303 move outwards, the spring fixture blocks 403 are positioned, when the cable 6 passes through the guide fixture blocks 303, the guide fixture blocks 303 are reset under the action of the springs 403, and at this time, the cable 6 is just positioned between the traction drive unit, the internal push of driven wheelset 3 is tight, opens and pulls drive unit 2 and can pull, and the device can be followed 6 middle parts of the cable that are hauled and assisted and is pulled, need not penetrate cable 6 from one end, can follow the below card and go into, and convenient and fast can adapt to each position and pull, improvement traction efficiency that can be very big and use the scene.

Wherein, the adjusting lever group 5 comprises a screw rod 501, a guide catch plate 502 and a guide rail plate 503, the middle part of the adjusting lever group 5 is vertically and rotatably provided with the screw rod 501, the adjusting lever group 5 is screwed with the vertical guide catch plate 502, the upper end and the lower end of the guide catch plate 502 are respectively and fixedly provided with the guide rail plate 503 which penetrates left and right, the guide rail plate 503 is of a bent structure with the upper end close to the front and the lower end close to the back, the clamping rod 402 is slidably clamped in the guide rail plate 503, when the screw rod 501 is rotated, the guide catch plate 502 vertically moves, when the screw rod 501 moves downwards, the sleeve rod 304 can be pulled outwards by the guide rail plate 503, the driven wheel group 3 moves outwards, the cable 6 can be in an unclamped state and is convenient to take out, and when the screw rod 501 moves upwards moves, the sleeve rod 304 can be pulled inwards by the guide rail plate 503, the driven wheel group 3 moves inwards, thereby clamping the cable 6, and the self-locking function of the screw rod 501 is utilized, fixed-point fixing can be realized, and convenience and rapidness are realized.

The specific use mode and function of the embodiment are as follows:

in the using process, when the cable 6 is lifted from the lower direction, the inclined surface at the inner end of the guide clamping block 303 can be pressed, so that the guide clamping block 303 moves outwards, the spring 403 is used, when the cable 6 is positioned at the upper position through the guide clamping block 303, the guide clamping block 303 resets under the action of the spring 403, the cable 6 is just positioned between the traction driving unit 2 and the driven wheel set 3 at the moment, the driven wheel set 3 is pushed inwards and clamped, the traction driving unit 2 is started to carry out traction, the device can carry out auxiliary traction from the middle part of the pulled cable 6, the cable 6 does not need to be penetrated from one end, and the cable can be clamped from the lower part, so that the device is convenient and rapid, can adapt to traction at each position, and can greatly improve the;

when the screw rod 501 is rotated, the guide clamping plate 502 vertically moves, when the screw rod 501 moves downwards, the sleeve rod 304 can be pulled by the guide rail plate 503 to move outwards, so that the driven wheel set 3 moves outwards, the cable 6 can be in an unclamped state and is convenient to take out, when the screw rod 501 moves upwards, the sleeve rod 304 can be pulled by the guide rail plate 503 to move inwards, so that the driven wheel set 3 moves inwards, so that the cable 6 is clamped, transverse clamping can be realized through vertical adjustment, fixed point fixing can be realized by utilizing the self-locking function of the screw rod 501, convenience and rapidness are realized, when the motor 201 of the traction driving unit 2 rotates, the traction roller shaft 202 rotates to drive the driving wire grooved wheel 204 to rotate, so that the cable 6 between the driving wire grooved wheel 204 and the driven wire grooved wheel 302 moves forwards, so that the traction guiding of the cable 6 is completed, the driven wheel set 3 can be matched with the traction driving unit, the guide clamping block 303 and the loop bar 304 can be matched with the adjusting bar group 5, so that the driven wheel group 3 can move in the clamping guide hole 101, the embedded cable 6 can be matched with the traction driving unit 2 to be clamped, the cable 6 is pulled, the self-adaptive capacity is strong, and the cable traction device is suitable for cables 6 with different thicknesses.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a underground pipe gallery cable laying draw gear for municipal construction engineering, its characterized in that: comprises a traction plate body (1); the main body of the traction plate body (1) is of a concave structure, and the two traction plate bodies (1) are vertically and symmetrically fixed and connected; a traction driving unit (2) is vertically and fixedly arranged at the position, close to the rear, of the middle part of the traction plate body (1); a driven wheel set (3) which slides longitudinally is vertically arranged at the front end of the traction plate body (1); an adjusting rod group (5) is vertically and fixedly arranged at the edge of the front end of the upper traction plate body and the lower traction plate body (1); the middle part of the adjusting rod group (5) is sleeved with the protruding part at the front end of the driven wheel group (3) in a sliding way; a longitudinal cable (6) is slidably arranged between the traction driving unit (2) and the driven wheel set (3); two clamping and placing mechanisms (4) are longitudinally and symmetrically arranged at the position between the upper traction plate body (1) and the lower traction plate body (1); the traction plate body (1) comprises clamping guide holes (101) and connecting blocks (102), the four corners between the traction plate body (1) are fixedly provided with the connecting blocks (102) in an upper-lower two mode, the middle of the traction plate body (1) is close to the left end and the right end of the front of the traction plate body and is respectively provided with longitudinal clamping guide holes (101), and the driven wheel set (3) is longitudinally slidably installed in the clamping guide holes (101).

2. The underground pipe gallery cable laying traction device for municipal construction engineering according to claim 1, wherein: the traction plate body (1) further comprises a clamping and placing guide groove (103), the front end and the rear end of the traction plate body (1) below are respectively provided with longitudinal clamping and placing guide grooves (103) which are bilaterally symmetrical, and the clamping and placing mechanism (4) is longitudinally slidably installed in the clamping and placing guide groove (103).

3. The underground pipe gallery cable laying traction device for municipal construction engineering according to claim 1, wherein: traction drive unit (2) include motor (201), traction roller axle (202), belt (203) and initiative line sheave (204), traction drive unit (2) the vertical inversion of left end position department at top installs motor (201), traction drive unit (2) about both ends respectively vertical rotation install traction roller axle (202), the pivot of traction roller axle (202) upper end and motor (201) of left end is passed through the shaft coupling and is rotated and be connected, it is connected through belt (203) rotation to control between the upper end of two traction roller axles (202), traction roller axle (202) are located two upper and lower traction plate body (1) between position department fixed mounting have initiative line sheave (204), set up vertical draw-in groove on the dado of its initiative line sheave (204).

4. The underground pipe gallery cable laying traction device for municipal construction engineering according to claim 1, wherein: driven wheelset (3) are including driven roller axle (301), driven line pulley (302), direction fixture block (303) and loop bar (304), both ends are perpendicular respectively to rotate about driven wheelset (3) and install driven roller axle (301), driven roller axle (301) are located two position department fixed mounting between the traction plate body (1) from top to bottom and have driven line sheave (302), lie in on driven roller axle (301) and pull the position department at both ends about plate body (1) respectively fixed mounting have with traction plate body (1) tangent wedge form direction fixture block (303), perpendicular fixed mounting has loop bar (304) of U form respectively at the upper and lower both ends of driven wheelset (3) front end lateral wall, the front end of loop bar (304) slides and passes the riser of traction plate body (1), the front end of loop bar (304) slides with adjustment lever group (5) tangent.

5. The underground pipe gallery cable laying traction device for municipal construction engineering according to claim 1, wherein: the clamping and placing mechanism (4) comprises clamping and placing seat blocks (401), clamping and placing rods (402), springs (403) and extrusion clamping blocks (404), the clamping and placing seat blocks (401) are symmetrically and fixedly installed on the top plane of a traction plate body (1) below, the clamping and placing rods (402) are vertically and slidably installed in the left clamping and placing seat block and the right clamping and placing seat block (401), wedge-shaped extrusion clamping blocks (404) are fixedly installed at the inner end positions of the clamping and placing rods (402) respectively, the upper ends of the extrusion clamping blocks (404) are of cylindrical structures, the lower ends of the extrusion clamping blocks (404) are slidably clamped in clamping and placing guide grooves (103), the inner ends of the extrusion clamping blocks (404) are of inclined plane structures, and the clamping and placing rods (402) are sleeved with the springs (403).

6. The underground pipe gallery cable laying traction device for municipal construction engineering according to claim 1, wherein: the adjusting rod group (5) comprises a screw rod (501), a guide clamping plate (502) and a guide rail plate (503), the screw rod (501) is vertically installed in the middle of the adjusting rod group (5) in a rotating mode, the adjusting rod group (5) is connected with the vertical guide clamping plate (502) in a threaded mode, and the upper end and the lower end of the guide clamping plate (502) are respectively fixedly provided with the guide rail plate (503) which penetrates through the left end and the right end.

7. The underground pipe gallery cable laying traction device for municipal construction engineering according to claim 6, wherein: the guide rail plate (503) is a bent structure with the upper end close to the front and the lower end close to the back, and the clamping rod (402) is clamped in the guide rail plate (503) in a sliding manner.