Steel strand pushing equipment with pulling and strand penetrating functions

By designing a steel strand pushing device that combines pulling and threading functions, and utilizing relatively arranged locking blocks and moving mechanisms, the problems of easy ejection of the pulling tube and easy damage to the steel strand bundle are solved, thus achieving safe and efficient construction operations.

CN223918286UActive Publication Date: 2026-02-17天津军星华泰科技有限公司
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Patent Information

Application Number
CN202422817192.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2026-02-17
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

In existing technologies, the pull tube is prone to popping out and injuring people, the steel strand bundle is easily damaged during the threading process, and there is a lack of safe and efficient pushing equipment, which affects construction safety and efficiency.

Method used

A steel strand pushing device with both pulling and threading functions was designed. It uses relatively arranged clamping blocks to hold the pulling tube and the steel strand bundle, and combines longitudinal, lateral and vertical moving mechanisms to realize the pulling and threading operations. The limiting components ensure the stable pushing of the steel strand bundle.

Benefits of technology

It enables the safe extraction of the extraction tube and the non-destructive pushing of the steel strand bundle, improving construction safety and efficiency, adapting to the needs of different bridge locations, and avoiding damage to the steel strand and extraction tube.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses steel strand pushing equipment with pulling and strand pulling functions, which belongs to the field of prestress construction and comprises a pulling and strand pulling composite unit and a moving unit, the moving unit comprises a longitudinal moving mechanism, the longitudinal moving mechanism comprises a longitudinal moving frame and a transverse moving mechanism, and the transverse moving mechanism comprises a transverse moving frame and a transverse moving frame. The transverse moving mechanism comprises a transverse moving frame, transverse moving rollers and a transverse moving oil cylinder; the pulling and strand penetrating composite unit comprises a supporting frame, the supporting frame comprises a fixed beam and a movable beam, a supporting shaft is connected into the fixed beam and the movable beam in a penetrating mode at the same time, the fixed beam and the supporting shaft are fixedly connected with the transverse moving frame, the movable beam is perpendicularly connected with a clamping oil cylinder, and the clamping oil cylinder is connected with a clamping rod. The other end of the clamping oil cylinder is fixedly connected with the transverse moving frame; according to the utility model, through the clamping blocks which are oppositely arranged, the pulling of the pulling pipe is realized, the pushing of a steel strand bundle is realized, and the requirements of two work of pulling the pipe and pulling the bundle are met.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to prestressed construction technical field especially, it relates to a steel strand pushing equipment with the function of pulling out and threading. BACKGROUND

[0002] Prestressed concrete technology plays an important role in bridge construction, especially in the production process of high-speed rail prefabricated beams. The production process usually includes embedding a pulling pipe, which is made of elastic rubber, before pouring concrete. The role of these pulling pipes is to form a prestressed hole in the subsequent steps.

[0003] When the concrete is poured and reaches a certain strength, the pulling pipe is pulled out to form a prestressed hole. Because the pulling pipe is elastic, it is easy to pop out and hurt people during the pulling process. Although the current relevant construction specifications strictly prohibit the use of winches to pull out the pipe to prevent accidents caused by the pulling pipe popping out, due to the lack of mature pushing equipment technology, construction personnel still use winches to pull out the pipe, which poses a certain safety hazard.

[0004] In addition, after the prestressed hole is formed, the steel strand bundle needs to be threaded into the hole. The existing threading equipment often uses semi-circular slips arranged relatively staggered to wrap and squeeze multiple steel strands and then push them into the hole. However, this pushing method will generate a radial shear force on the steel strand bundle, which may damage the heat-melted guide cap and fixed steel wire wrapped outside the steel strand bundle, or even jam the chain, affecting the efficiency and safety of threading. In addition, the radial shear of the semi-circular slip may also cause damage to the steel strand itself, affecting its performance and thus posing a potential threat to the overall safety of the bridge.

[0005] Chinese utility model patent, named as a double-power pushing machine for conveying finished steel strand bundle with pressure tight device, with publication number CN205132727U, discloses a first movable frame and a second movable frame, the first movable frame is driven to move by a screw pair, and the second movable frame is pushed to move by a gas cylinder; there are track transmission mechanisms on the first movable frame and the second movable frame, respectively, and the first movable frame and the second movable frame can move towards the center simultaneously or move towards both sides simultaneously, which can adjust the clamping of finished steel strand bundles of different specifications. It can be seen that the double-power pushing machine only has the function of clamping finished steel strand bundles of different specifications, and it is more troublesome to operate when the steel strand bundle threading position is different. UTILITY MODEL CONTENTS

[0006] In view of the problems existing in the prior art, the utility model provides a steel strand pushing equipment with the functions of pulling out and threading.

[0007] The utility model discloses a kind of steel strand pushing equipment with the function of pulling and threading, including pulling and threading composite unit, the pulling and threading composite unit is used to clamp and pull out pulling pipe or clamp and push steel strand bundle;

[0008] Further comprising a moving unit, the moving unit includes a longitudinal moving mechanism, the longitudinal moving mechanism includes a longitudinal moving frame, the longitudinal moving frame is provided as a groove structure.

[0009] And a transverse moving mechanism, the transverse moving mechanism includes a transverse moving frame, a transverse moving roller and a transverse moving cylinder; the bottom surface of the transverse moving frame is provided with a transverse moving roller, which rolls along the longitudinal moving frame; the transverse moving cylinder is arranged parallel to the moving direction of the transverse moving mechanism, the fixed end of the transverse moving cylinder is fixedly connected with the transverse moving frame, and the telescopic end is fixedly connected with the longitudinal moving frame; the transverse moving cylinder drives the transverse moving mechanism to move forward and backward when it telescopes.

[0010] The pulling and threading composite unit includes a first support frame, the first support frame includes a fixed beam and a moving beam, the fixed beam and the moving beam are symmetrically arranged; the fixed beam and the moving beam are simultaneously connected with a support shaft inside, the fixed beam and the support shaft are fixedly connected with the transverse moving frame respectively, the moving beam is perpendicularly connected with a clamping cylinder, the other end of the clamping cylinder is fixedly connected with the transverse moving frame, and the clamping cylinder drives the moving beam to reciprocate along the support shaft to clamp or release the steel strand bundle or the pulling pipe.

[0011] Further, the pushing device further includes a limiting component, the limiting component is arranged at both ends of the pulling and threading composite unit.

[0012] Further, the limiting component includes a pair of limiting beams, each limiting beam is fixedly connected at both ends with the transverse moving frame, a guide roller is sleeved on each limiting beam, and each pair of guide rollers is used to clamp the pulling pipe or the steel strand bundle.

[0013] Further, the pushing device further includes a support mechanism, the support mechanism includes a rectangular base frame and a second support frame vertically arranged at the top surface of the base frame at four corners, and the second support frame is provided as a groove structure.

[0014] Further, the mobile unit further comprises a vertical moving mechanism, the vertical moving mechanism comprises a rectangular vertical moving base frame, the vertical moving base frame is arranged as a groove structure; vertical moving connecting frames are arranged at both ends of the top surface of the vertical moving base frame, the top surface of the vertical moving connecting frame extends outwardly and is provided with a connecting rib plate, the bottom surface of the connecting rib plate is vertically connected with a lifting oil cylinder, the other end of the lifting oil cylinder is fixedly connected to the base frame; the lifting oil cylinder drives the vertical moving mechanism to move up and down.

[0015] Further, the vertical moving mechanism further comprises a guide roller, the guide roller is arranged on the vertical moving connecting frame and corresponds to the second support frame, and rolls up and down along the second support frame, so as to improve the stability of the vertical moving mechanism when moving up and down.

[0016] Further, the longitudinal moving mechanism further comprises a longitudinal moving roller, the longitudinal moving roller is arranged on the bottom surface of the longitudinal moving frame, and a stepping motor is connected to the longitudinal moving roller, the stepping motor drives the longitudinal moving roller to roll left and right along the vertical moving base frame.

[0017] Further, the pulling and threading composite unit further comprises bearing seats arranged at both ends of the fixed beam and the movable beam respectively, and the bearing seats at each end are arranged as two and are located on the upper and lower sides of the fixed beam and the movable beam respectively.

[0018] Further, a transmission shaft is rotatably connected between one group of bearing seats, and a fixed shaft is rotatably connected between the other group of bearing seats, and a speed reducer is connected to the transmission shaft, and the speed reducer is used to drive the transmission shaft to rotate.

[0019] Further, a sprocket is arranged on the circumferential outer side of the transmission shaft and the fixed shaft, a chain is simultaneously engaged with the sprocket on the transmission shaft and the sprocket on the fixed shaft, a plurality of clamping blocks are arranged on the outer side of the chain, and the contact surface of the clamping blocks and the pulling pipe or the steel strand bundle is arranged as a concave arc surface; the clamping blocks arranged on the outer side of the fixed beam and the clamping blocks arranged on the outer side of the movable beam are reversely operated, and a circular-arc-shaped clamping channel is formed between the oppositely arranged clamping blocks to clamp the pulling pipe or the steel strand bundle.

[0020] The utility model has the advantages and technical effects that:

[0021] 1. The clamping blocks arranged oppositely push and pull the pulling pipe, and the pulling pipe is not damaged. Meanwhile, the steel strand bundle can be pushed and constructed, and the wrapping steel wire outside the steel strand bundle and the surface of the steel strand bundle are not damaged. The needs of pulling pipe and threading bundle are met.

[0022] 2. The utility model discloses through two groups of pulling and penetrating composite units series connection, and through spacing device transition connection, that is, meet the requirement of push force, and avoid the problem that the steel strand is caused from the intermediate position of the block and bounces out in the interval of two groups of pulling and penetrating composite units too big, construction effect is stable, and the efficiency is high.

[0023] 3. The utility model discloses the up and down, left and right and front and back position adjustment of pulling and penetrating composite unit can be realized, can adapt to the different height and position demand of bridge, and the adaptability is strong. DRAWINGS

[0024] Figure 1 It is the plan view of the utility model;

[0025] Figure 2 It is the right view of the utility model;

[0026] Figure 3 It is Figure 1 A-A direction section view of it;

[0027] Figure 4 It is Figure 1 B-B direction section view of it;

[0028] Figure 5 It is Figure 1 C-C direction section view of it;

[0029] Figure 6 It is the enlarged view of I place;

[0030] Figure 7 It is Figure 6 D-D direction section view of it;

[0031] Figure 8 It is the enlarged view of II place.

[0032] In the drawing:

[0033] 1, pulling and penetrating composite unit;1a, first support frame;1b, bearing seat;1c, transmission shaft;1d, chain wheel;1e, chain;1f, block;1g, speed reducer motor;1h, support shaft;1i, fixed beam;1j, fixed shaft;1k, moving beam;1m, clamping oil cylinder;

[0034] 2, spacing assembly;2a, spacing beam;2b, guide wheel;2c, support rib plate;

[0035] 3, horizontal movement mechanism;3a, horizontal movement frame;3b, horizontal movement oil cylinder;3c, horizontal movement roller;3d, first connecting plate;3e, second connecting plate;

[0036] 4, longitudinal movement mechanism;4a, longitudinal movement frame;4b, shaft coupling;4c, longitudinal movement roller;4d, step motor;

[0037] 5 vertical moving mechanism; 5a vertical moving chassis; 5b lifting oil cylinder; 5c vertical moving connecting frame; 5d guide roller; 5e connecting rib plate;

[0038] 6 supporting mechanism; 6a second supporting frame; 6b chassis;

[0039] 7 steel strand bundle; 8 moving unit. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0041] It should be pointed out that in the utility model, the forward direction is the threading direction, the backward direction is the pulling direction, the left and right directions are the threading direction left and right, and the up and down directions are perpendicular to the ground surface. In addition, the speed reducer, oil cylinder, shaft coupling and stepping motor mentioned in the utility model all adopt the prior art, and the specific structure is not described in detail herein.

[0042] Referring to Figures 1 to 8 A steel strand pushing device with pulling and threading functions, comprising a pulling and threading composite unit 1 and a moving unit 8, the pulling and threading composite unit 1 is used for clamping and pulling out a pulling pipe or clamping and pushing a steel strand bundle; the pulling and threading composite unit 1 is supported on the moving unit 8, and the moving unit 8 is suitable for driving the pulling and threading composite unit 1 to move in at least one of the three directions of forward and backward, left and right, and up and down.

[0043] The moving unit 8 further comprises a supporting mechanism 6, the supporting mechanism 6 comprises a rectangular chassis 6b and second supporting frames 6a vertically welded at the four corners of the top surface of the chassis 6b, and the second supporting frames 6a are made of channel steel or are bent from iron plates.

[0044] The moving unit 8 further comprises a vertical moving mechanism 5, the vertical moving mechanism 5 comprises a rectangular vertical moving chassis 5a, the vertical moving chassis 5a is made of channel steel or is bent from an iron plate; vertical moving connecting frames 5c are welded at the top surface of both ends of the vertical moving chassis 5a, connecting rib plates 5e are welded outwardly at the top surface of both ends of the vertical moving connecting frames 5c, lifting oil cylinders 5b are bolted to the bottom surface of each connecting rib plate 5e, the lifting oil cylinders 5b are perpendicular to the bottom surface of the connecting rib plates 5e, and the other end of the lifting oil cylinder 5b is bolted to the chassis 6b; the moving unit 8 is fixedly supported on the chassis 6b by four lifting oil cylinders 5b, and the lifting oil cylinders 5b drive the vertical moving mechanism 5 to move up and down.

[0045] The vertical moving mechanism 5 further comprises guide rollers 5d, the roller supports of which are bolted or welded to the vertical moving connecting frames 5c and correspond to the second supporting frames 6a, the number of guide rollers 5d mounted on each vertical moving connecting frame 5c is determined according to the length of the grooves of the second supporting frames 6a, so that the guide rollers 5d can smoothly roll up and down along the grooves of the second supporting frames 6a, thereby improving the smoothness of the vertical moving mechanism 5.

[0046] The moving unit 8 further comprises a longitudinal moving mechanism 4, which comprises a longitudinal moving frame 4a made of a channel steel or a groove structure bent from an iron plate; the longitudinal moving mechanism 4 further comprises longitudinal moving rollers 4c bolted or welded to the bottom surface of the longitudinal moving frame 4a at the four corners, the longitudinal moving rollers 4c are connected to a stepping motor 4d through a shaft coupling 4b, and the stepping motor 4d drives the longitudinal moving rollers 4c to roll left and right along the vertical moving base frame 5a.

[0047] The moving unit 8 further comprises a transverse moving mechanism 3, which comprises a transverse moving frame 3a, transverse moving rollers 3c and a transverse moving oil cylinder 3b; the transverse moving rollers 3c are welded or bolted to the bottom surface of the transverse moving frame 3a at the four corners, and roll along the grooves of the longitudinal moving frame 4a; the transverse moving oil cylinder 3b is arranged parallel to the moving direction of the transverse moving mechanism 3, the fixed end of the transverse moving oil cylinder 3b is vertically welded with a first connecting plate 3d, the fixed end is welded to the transverse moving frame 3a through the first connecting plate 3d, the telescopic end of the transverse moving oil cylinder 3b is welded with a second connecting plate 3e, the second connecting plate 3e is arranged in the same direction as the first connecting plate 3d, and the telescopic end is fixedly connected to the longitudinal moving frame 4a through the second connecting plate 3e; the transverse moving oil cylinder 3b drives the transverse moving mechanism 3 to move forward and backward when it is telescoped.

[0048] The pulling-through bundle composite unit 1 is provided as a symmetrical structure, comprising a first support frame 1a provided as a symmetrical structure, and a gap of the symmetrical structure is used for clamping a pulling pipe or a steel strand bundle; the first support frame 1a comprises a fixed beam 1i and a moving beam 1k, and the fixed beam 1i and the moving beam 1k are both provided as rectangular frames; the fixed beam 1i and the moving beam 1k are both provided with a support shaft 1h, the fixed beam 1i and the support shaft 1h are both welded with the transverse moving frame 3a, the moving beam 1k is bolted with a clamping oil cylinder 1m, the clamping oil cylinder 1m is perpendicular to the moving beam 1k, the other end of the clamping oil cylinder 1m is bolted with the transverse moving frame 3a, and the moving beam 1k is driven to reciprocate along the support shaft 1h through the movement of the telescopic end of the clamping oil cylinder 1m, so as to clamp or loosen the pulling pipe or the steel strand bundle.

[0049] The two ends of the fixed beam 1i are respectively welded with bearing seats 1b, and the bearing seats 1b at each end are provided as two and are respectively located at the outer sides of the upper and lower frames of the fixed beam 1i; one pair of the bearing seats 1b are rotationally connected with a transmission shaft 1c penetrating through the fixed beam 1i, and the other pair of the bearing seats 1b are rotationally connected with a fixed shaft 1j penetrating through the fixed beam 1i; one end of the transmission shaft 1c is connected with a speed reducer motor 1g through a shaft coupling, and the speed reducer motor 1g is used to drive the transmission shaft 1c to rotate.

[0050] The two ends of the moving beam 1k are respectively welded with bearing seats 1b, and the bearing seats 1b at each end are provided as two and are respectively located at the outer sides of the upper and lower frames of the moving beam 1k; one pair of the bearing seats 1b are rotationally connected with a transmission shaft 1c penetrating through the moving beam 1k, and the other pair of the bearing seats 1b are rotationally connected with a fixed shaft 1j penetrating through the moving beam 1k; one end of the transmission shaft 1c is connected with a speed reducer motor 1g through a shaft coupling, and the speed reducer motor 1g is used to drive the transmission shaft 1c to rotate.

[0051] The transmission shaft 1c and the fixed shaft 1j on the fixed beam 1i are respectively sleeved with sprockets 1d on the circumferential outer sides, and chains 1e are overlapped on the sprockets 1d, and the chains 1e reciprocate between the transmission shaft 1c and the fixed shaft 1j under the drive of the transmission shaft 1c.

[0052] The transmission shaft 1c and the fixed shaft 1j on the moving beam 1k are also sleeved with sprockets 1d on the circumferential outer sides, and chains 1e are overlapped on the sprockets 1d, and the chains 1e reciprocate between the transmission shaft 1c and the fixed shaft 1j under the drive of the transmission shaft 1c.

[0053] The chain 1e is welded with a plurality of clamping blocks 1f outside, and a gap of 3-5 mm is reserved between adjacent clamping blocks 1f; the contact surface of the clamping block 1f with the steel strand bundle or the pull-out pipe is provided with a concave arc surface; the clamping block 1f arranged on the fixed beam 1i and the clamping block 1f arranged on the moving beam 1k are reversely operated, and a circular-arc-shaped clamping channel is formed between the oppositely arranged clamping blocks 1f to clamp the steel strand bundle or the pull-out pipe.

[0054] The dual-purpose pushing device further comprises a limiting assembly 2 arranged at both ends of the pull-out and strand-penetration composite unit 1; the limiting assembly 2 comprises a pair of limiting beams 2a, and supporting rib plates 2c are vertically welded at both ends of each pair of limiting beams 2a, and the supporting rib plates 2c are welded on the transversely moving frame 3a; guide wheels 2b are sleeved on the limiting beams 2a, and each pair of guide wheels 2b is used for clamping the pull-out pipe or the steel strand bundle.

[0055] Since the clamping blocks 1f are oppositely arranged, a closed channel cannot be formed between the two oppositely arranged clamping blocks 1f, and when the pull-out pipe is pushed, the pull-out pipe is a whole structure and is not affected when being pushed. When the steel strand bundle is pushed, since the steel strand bundle comprises a plurality of steel strands, when the clamping blocks 1f are clamped, there is a risk that the steel strands are extruded from the gap above and below, thereby affecting the pushing of the steel strand bundle. The limiting assembly 2 is arranged at the front end and the rear end of the pull-out and strand-penetration composite unit 1, the two guide wheels 2b of each limiting assembly 2 and the two oppositely arranged clamping blocks 1f can form a clamping channel with a projection close to a square, so that the steel strand bundle is clamped on four sides during pushing. At the same time, since the steel strand is a flexible wire material with elasticity, if the clamping distance is insufficient when the steel strand bundle is pushed, the steel strand bundle will be bent during pushing, causing the steel strands to be extruded from between the clamping blocks 1f; in order to avoid the above situation, the device adopts two groups of pull-out and strand-penetration composite units 1, and the limiting device 2 is installed at both ends and between the two groups of pull-out and strand-penetration composite units 1, so as to increase the clamping length of the steel strand bundle and ensure the pushing force.

[0056] The use method of the utility model is described as follows:

[0057] For projects without forklifts on the construction site,

[0058] Firstly, the pushing device is hoisted to a suitable position by a crane, and the height of the device should be suitable for the pull-out and strand-penetration operation to be smoothly performed;

[0059] Secondly, the height position of the pull-out and strand-penetration composite unit 1 is adjusted by using the vertical moving mechanism 5, and the height is higher than the height of the pull-out pipe; the lifting oil cylinder 5b is opened, and the extension length of the extension end of the lifting oil cylinder 5b is adjusted to satisfy the height position of the pull-out and strand-penetration composite unit 1;

[0060] Third, adjust the front and back position of the pulling and threading composite unit 1 by the longitudinal moving mechanism 4, so that the pulling and threading composite unit 1 is aligned with the pulling pipe or the steel strand bundle; open the step motor 4d, and the step motor 4d drives the longitudinal moving roller 4c to move left and right along the vertical moving chassis 5b, so as to satisfy the left and right position of the pulling and threading composite unit 1;

[0061] Fourth, adjust the front and back position of the pulling and threading composite unit 1 by the transverse moving mechanism 3, so that the pulling and threading composite unit 1 is close to the pulling pipe to be pulled out or the steel strand bundle to be threaded; open the transverse moving oil cylinder 3b, and adjust the extension length of the extension end of the transverse moving oil cylinder 3b, so as to satisfy the front and back position of the pulling and threading composite unit 1;

[0062] Fifth, adjust the position of the dual-purpose pushing device in each direction to be suitable, and then the pulling and threading composite unit 1 clamps the pulling pipe or the steel strand bundle, and the pulling pipe is pulled out or the steel strand bundle is pushed into the prestressed hole;

[0063] Finally, after the pulling pipe is pulled out or the steel strand bundle is threaded into place, the pulling and threading composite unit 1 releases the clamping of the pulling pipe or the steel strand bundle, and the operation of pulling the pulling pipe or threading the steel strand bundle is completed.

[0064] For the project with a forklift on the construction site,

[0065] The fork of the forklift is clamped on the bottom of the longitudinal moving frame 4a, the front and back position and the height position are adjusted by the forklift, and then the last three steps are repeated.

[0066] The above only describes the preferred embodiments of the present application, and does not limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A steel strand pushing device with the functions of pulling and threading, comprising a pulling and threading composite unit (1) for clamping and pulling out a pulling pipe or clamping and pushing a steel strand bundle; characterized in that, it further comprises a moving unit (8) comprising a longitudinal moving mechanism (4) comprising a longitudinal moving frame (4a) provided in a groove structure; and a transverse moving mechanism (3) comprising a transverse moving frame (3a), a transverse moving roller (3c) and a transverse moving oil cylinder (3b); the bottom surface of the transverse moving frame (3a) is provided with the transverse moving roller (3c) rolling along the longitudinal moving frame (4a); the transverse moving oil cylinder (3b) is provided parallel to the moving direction of the transverse moving mechanism (3), the fixed end of the transverse moving oil cylinder (3b) is fixedly connected with the transverse moving frame (3a), and the telescopic end is fixedly connected with the longitudinal moving frame (4a); the transverse moving oil cylinder (3b) drives the transverse moving mechanism (3) to move forward and backward when it is telescoped. The pulling and threading composite unit (1) is provided in a symmetrical structure, comprising a first support frame (1a) comprising a fixed beam (1i) and a moving beam (1k), which are symmetrically arranged; the fixed beam (1i) and the moving beam (1k) are simultaneously penetrated by a support shaft (1h) inside; the fixed beam (1i) and the support shaft (1h) are respectively fixedly connected with the transverse moving frame (3a); the moving beam (1k) is perpendicularly connected with a clamping oil cylinder (1m), the other end of the clamping oil cylinder (1m) is fixedly connected with the transverse moving frame (3a), and the clamping oil cylinder (1m) drives the moving beam (1k) to reciprocate along the support shaft (1h) to clamp or release the steel strand bundle or the pulling pipe.

2. The steel strand pushing device with the functions of pulling and threading according to claim 1, characterized in that: the pushing device further comprises a limiting assembly (2) provided at both ends of the pulling and threading composite unit (1).

3. The steel strand pushing device with the functions of pulling and threading according to claim 2, characterized in that: the limiting assembly (2) comprises a pair of limiting beams (2a) fixedly connected at both ends of the transverse moving frame (3a), and a guide roller (2b) sleeved on the limiting beam (2a); each pair of guide rollers (2b) is used to clamp the pulling pipe or the steel strand bundle.

4. The steel strand pushing device with the functions of pulling and threading according to claim 1, characterized in that: the pushing device further comprises a support mechanism (6) comprising a rectangular base frame (6b) and a second support frame (6a) provided perpendicularly at the top surface of the four corners of the base frame (6b), which is provided in a groove structure. ​ ​ ​ ​ ​ 5. The steel strand pushing device with the functions of pulling and threading according to claim 4, characterized in that: The moving unit (8) further comprises a vertical moving mechanism (5), which comprises a rectangular vertical moving chassis (5a) arranged in a groove structure; vertical moving connecting frames (5c) are arranged at both ends of the top surface of the vertical moving chassis (5a), and the top surface of each vertical moving connecting frame (5c) extends outwardly to be provided with a connecting rib plate (5e); a lifting oil cylinder (5b) is vertically connected to the bottom surface of the connecting rib plate (5e), and the other end of the lifting oil cylinder (5b) is fixedly connected to the chassis (6b); the lifting oil cylinder (5b) drives the vertical moving mechanism (5) to move up and down.

6. The steel strand pushing device with the functions of pulling and threading according to claim 5, characterized in that: The vertical moving mechanism (5) further comprises a guide roller (5d) arranged on the vertical moving connecting frame (5c) and corresponding to the second support frame (6a), and the guide roller (5d) rolls up and down along the second support frame (6a) to improve the stability of the vertical moving mechanism (5) moving up and down.

7. The steel strand pushing device with the functions of pulling and threading according to claim 6, characterized in that: The longitudinal moving mechanism (4) further comprises a longitudinal moving roller (4c) arranged on the bottom surface of the longitudinal moving frame (4a), and a stepping motor (4d) connected to the longitudinal moving roller (4c), which drives the longitudinal moving roller (4c) to roll left and right along the vertical moving chassis (5a).

8. The steel strand pushing device with the functions of pulling and threading according to claim 1, characterized in that: The pulling and threading composite unit (1) further comprises bearing seats (1b) arranged at both ends of the fixed beam (1i) and the moving beam (1k) respectively, and each end of the bearing seat (1b) is arranged as two, which are located on the upper and lower sides of the fixed beam (1i) and the moving beam (1k) respectively.

9. The steel strand pushing device with the functions of pulling and threading according to claim 8, characterized in that: One group of the bearing seats (1b) are rotationally connected with a transmission shaft (1c), and the other group of the bearing seats (1b) are rotationally connected with a fixed shaft (1j); a speed reducer (1g) is connected to the transmission shaft (1c), and the speed reducer (1g) is used to drive the transmission shaft (1c) to rotate.

10. The steel strand pushing device with the functions of pulling and threading according to claim 9, characterized in that: The transmission shaft (1c) and the fixed shaft (1j) are both sleeved with a sprocket (1d) on the outer side in the circumferential direction, the sprocket (1d) on the transmission shaft (1c) and the sprocket (1d) on the fixed shaft (1j) are simultaneously overlapped with a chain (1e), the outer side of the chain (1e) is provided with a plurality of clamping blocks (1f), the contact surface of the clamping block (1f) and the pull-out pipe or the steel strand bundle is provided as a concave arc surface; the clamping block (1f) provided on the outer side of the fixed beam (1i) and the clamping block (1f) provided on the outer side of the moving beam (1k) are reversely operated, and a circular arc clamping channel is formed between the oppositely arranged clamping blocks (1f) to clamp the pull-out pipe or the steel strand bundle.

Citation Information

Patent Citations

  • Carry finished steel stranded conductor band closing device's double dynamical propelling movement machine

    CN205132727U