CN214243524U

CN214243524U - Be used for supplementary hoist device of post-tensioned method precast beam

Info

Publication number: CN214243524U
Application number: CN202023079517.4U
Authority: CN
Inventors: 陈煌斌; 张志强; 赖轩明; 柳云阳
Original assignee: CSCEC Strait Construction and Development Co Ltd
Current assignee: CSCEC Strait Construction and Development Co Ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-09-21
Anticipated expiration: 2030-12-17

Abstract

The utility model relates to a be used for supplementary hoist device of post-tensioned precast beam belongs to supplementary lifting device's technical field. The support leg comprises a rear support leg, a front support leg and I-steel, wherein the rear support leg and the front support leg are arranged at intervals, the length of the front support leg is smaller than that of the rear support leg, the I-steel is arranged between the rear support leg and the front support leg, and two ends of the I-steel are fixedly connected with the tops of the rear support leg and the front support leg respectively; the rear supporting leg comprises two first hollow pipes which are arranged in a triangular mode, the tops of the two first hollow pipes are fixedly connected, and the bottoms of the two first hollow pipes are far away. The utility model provides a punching jack dismouting, the difficult scheduling problem of removal that current hoist device exists.

Description

Be used for supplementary hoist device of post-tensioned method precast beam

Technical Field

The utility model relates to a be used for supplementary hoist device of post-tensioned precast beam belongs to supplementary lifting device's technical field.

Background

In the process of prefabricating the beam by adopting a post-tensioning method, a hole of a through steel strand is reserved in the middle of a poured beam template, the steel strand needs to pass through the hole and be tensioned by prestress, the steel strand is generally tensioned by using a center-penetrating jack at two ends of the prefabricated beam, the reserved hole is poured after the prestress tensioning is finished, but the center-penetrating jack is heavy and difficult to move, so that the operation is difficult in a specific construction process, and workers have injury risks.

The patent document with the prior art application number of CN201811088443.5 discloses an auxiliary tool for hoisting a precast beam and a hoisting method, wherein the auxiliary tool comprises a hoisting beam and a plurality of lifting lugs which are uniformly distributed on the upper side and the lower side of the hoisting beam; during the application, the lug of hanging beam upside passes through wire rope and hangs on the lifting hook, and the hoisting point that sets up on the precast beam hangs on the lug of hanging beam downside through wire rope.

Above-mentioned reference example and prior art's hoist device has the dismouting of punching jack, removes difficult scheduling problem, consequently, the utility model provides a hoist device is assisted to be used for post-tensioned precast beam is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome shortcomings such as the dismouting of the jack that has now, removal difficulty, the utility model discloses a be used for supplementary hoist device of post-tensioned precast beam, the utility model discloses simple structure adapts to not unidimensional template, can assist the dismouting of jack to realize the convenient removal of jack.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the auxiliary hoisting device for the post-tensioning precast beam comprises a rear supporting leg, a front supporting leg and I-steel, wherein the rear supporting leg and the front supporting leg are arranged at intervals, the leg length of the front supporting leg is smaller than that of the rear supporting leg, the I-steel is arranged between the rear supporting leg and the front supporting leg, and two ends of the I-steel are fixedly connected with the tops of the rear supporting leg and the front supporting leg respectively; the rear supporting leg comprises two first hollow pipes which are arranged in a triangular shape, the tops of the two first hollow pipes are fixedly connected, and the bottoms of the two first hollow pipes are far away; be provided with the travelling car on the I-steel, the travelling car includes bottom plate, a plurality of riser and a plurality of gyro wheel, a plurality of gyro wheel average distribution set up in the recess of I-steel both sides, a plurality of risers set up the outside of keeping away from the I-steel at the gyro wheel that corresponds respectively, gyro wheel outside fixed mounting is on the riser, the bottom plate sets up in a plurality of riser bottoms, a plurality of riser bottoms respectively with bottom plate fixed connection, the travelling car bottom still is provided with the hoist and crane, the bottom at the bottom of bottom plate is pegged graft at the hoist and crane top.

The front support leg comprises two second hollow pipes which are arranged in a triangular shape, the tops of the two second hollow pipes are fixedly connected, and the bottoms of the two second hollow pipes are far away.

The back supporting leg still includes first telescopic joint and first bolt, first telescopic joint one end cup joints in first hollow tube, and other end fixed mounting has first ground to prop, be provided with one row of first through-hole that transversely runs through on the first telescopic joint, first through-hole is arranged along the central line of first telescopic joint side, through first bolt fixed connection between first hollow tube and the first telescopic joint.

The front support leg further comprises a second telescopic joint and a second bolt, one end of the second telescopic joint is sleeved in the second hollow pipe, the other end of the second telescopic joint is fixedly provided with a second ground support, a row of second through holes which transversely penetrate are formed in the second telescopic joint, the second through holes are arranged along the central line of the side face of the second telescopic joint, and the second hollow pipe and the second telescopic joint are fixedly connected through the second bolt.

A connecting rod is arranged between the two first hollow pipes, and two ends of the connecting rod are respectively fixedly connected with the first hollow pipes on two sides of the connecting rod.

Compared with the prior art the utility model discloses there are following characteristics and beneficial effect: the rear supporting legs of the utility model are supported on the ground, the front supporting legs are supported on the poured beam, the movable trolley can move on the I-shaped steel, the center-penetrating jack can be hoisted by the hoisting block, and in the process of installing and disassembling the center-penetrating jack, the manual carrying is avoided, the labor cost is reduced, and the risk of being injured by crashing is reduced;

the first expansion joint and the second expansion joint are respectively sleeved in the first hollow pipe and the second hollow pipe, and the hollow pipe and the expansion joint are fixed by bolts, so that the height of the utility model can be adjusted, the utility model is suitable for beams with different heights, and the applicability of the utility model is improved;

the utility model discloses be provided with the connecting rod between two first hollow tubes. The stability of the structure is increased.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a side view of the overall structure of the present invention.

Wherein the reference numerals are: 10. a rear support leg; 11. a first hollow tube; 12. a first expansion joint; 121. a first through hole; 13. a first ground support; 14. a connecting rod; 15. a first bolt; 20. a front support leg; 21. a second hollow tube; 22. a second expansion joint; 221. a second through hole; 23. a second ground support; 24. a second bolt; 30. i-shaped steel; 3. moving the trolley; 31. a base plate; 32. a vertical plate; 33. a roller; 34. hoisting a hoist; 100. a beam.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 3, the auxiliary hoisting device for the post-tensioning precast beam of the embodiment includes a rear support leg 10, a front support leg 20 and an i-steel 30, wherein the rear support leg 10 and the front support leg 20 are arranged at an interval, the length of the front support leg 20 is smaller than that of the rear support leg 10, the i-steel 30 is arranged between the rear support leg 10 and the front support leg 20, and two ends of the i-steel 30 are respectively fixedly connected with the tops of the rear support leg 10 and the front support leg 20; the rear supporting leg 10 comprises two first hollow pipes 11 which are arranged in a triangular shape, the tops of the two first hollow pipes 11 are fixedly connected, and the bottoms of the two first hollow pipes 11 are far away; the movable trolley 3 is arranged on the I-shaped steel 30 and comprises a bottom plate 31, a plurality of vertical plates 32 and a plurality of rollers 33, the rollers 33 are evenly distributed in grooves in two sides of the I-shaped steel 30, the vertical plates 32 are arranged on the outer sides, far away from the I-shaped steel 30, of the corresponding rollers 33 respectively, the outer sides of the rollers 33 are fixedly installed on the vertical plates 32, the bottom plate 31 is arranged at the bottoms of the vertical plates 32, the bottom ends of the vertical plates 32 are fixedly connected with the bottom plate 31 respectively, a hoisting block 34 is further arranged at the bottom of the movable trolley 3, and the top of the hoisting block 34 is hung at the bottom of the bottom plate 31.

Further, the front supporting leg 20 comprises two second hollow pipes 21 arranged in a triangular shape, the tops of the two second hollow pipes 21 are fixedly connected, and the bottoms of the two second hollow pipes 21 are far away.

Further, back supporting leg 10 still includes first telescopic joint 12 and

first bolt

15, and 12 one ends of first telescopic joint cup joint in first hollow tube 11, and other end fixed mounting has first ground to prop 13, is provided with a row of first through-hole 121 that transversely runs through on the first telescopic joint 12, and first through-hole 121 arranges along the central line of 12 sides of first telescopic joint, through first bolt 15 fixed connection between first hollow tube 11 and the first telescopic joint 12.

Further, the front support leg 20 further comprises a second telescopic joint 22 and a second bolt 24, one end of the second telescopic joint 22 is sleeved in the second hollow tube 21, the other end of the second telescopic joint is fixedly provided with a second ground support 23, a row of second through holes 221 which transversely penetrate through the second telescopic joint 22 are formed in the second telescopic joint 22, the second through holes 221 are arranged along the central line of the side face of the second telescopic joint 22, and the second hollow tube 21 is fixedly connected with the second telescopic joint 22 through the second bolt 24.

Furthermore, a connecting rod 14 is arranged between the two first hollow tubes 11, and two ends of the connecting rod 14 are respectively fixedly connected with the first hollow tubes 11 at two sides thereof.

The utility model discloses a theory of operation: after the poured beam 100 is threaded with the steel strand, the height of the utility model is adjusted; during adjustment, the second telescopic joint 22 and the first telescopic joint 12 are pulled out and extended outwards, and after the required height is reached, the second telescopic joint 22 and the first telescopic joint 12 are locked on the second hollow pipe 21 and the first hollow pipe 11 by using the first bolt 15 and the second bolt 24; then will the utility model discloses preceding supporting leg 20 is placed at the top of roof beam 100, and back supporting leg 10 is placed subaerial, utilizes hoist block 34 to hoist and remove the center-penetrating jack and install.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for supplementary hoist device of post-tensioned method precast beam which characterized in that: the supporting leg structure comprises a rear supporting leg (10), a front supporting leg (20) and I-steel (30), wherein the rear supporting leg (10) and the front supporting leg (20) are arranged at intervals, the leg length of the front supporting leg (20) is smaller than that of the rear supporting leg (10), the I-steel (30) is arranged between the rear supporting leg (10) and the front supporting leg (20), and two ends of the I-steel (30) are fixedly connected with the tops of the rear supporting leg (10) and the front supporting leg (20) respectively;

the rear supporting leg (10) comprises two first hollow pipes (11) which are arranged in a triangular shape, the tops of the two first hollow pipes (11) are fixedly connected, and the bottoms of the two first hollow pipes (11) are far away;

be provided with travelling car (3) on I-steel (30), travelling car (3) include bottom plate (31), a plurality of riser (32) and a plurality of gyro wheel (33), a plurality of gyro wheel (33) average distribution sets up in the recess of I-steel (30) both sides, a plurality of riser (32) set up respectively in the outside of keeping away from I-steel (30) in gyro wheel (33) that correspond, gyro wheel (33) outside fixed mounting is on riser (32), bottom plate (31) set up in a plurality of riser (32) bottoms, a plurality of riser (32) bottoms respectively with bottom plate (31) fixed connection, travelling car (3) bottom still is provided with hoist (34), hoist (34) top articulates the bottom at bottom plate (31).

2. The auxiliary hoisting device for the post-tensioned precast beam according to claim 1, wherein: the front supporting leg (20) comprises two second hollow pipes (21) which are arranged in a triangular mode, the tops of the two second hollow pipes (21) are fixedly connected, and the bottoms of the two second hollow pipes (21) are far away.

3. The auxiliary hoisting device for the post-tensioned precast beam according to claim 1, wherein: back supporting leg (10) still includes first telescopic joint (12) and first bolt (15), first telescopic joint (12) one end cup joints in first hollow tube (11), and other end fixed mounting has first ground to prop (13), be provided with one row of first through-hole (121) that transversely run through on first telescopic joint (12), first through-hole (121) are arranged along the central line of first telescopic joint (12) side, through first bolt (15) fixed connection between first hollow tube (11) and first telescopic joint (12).

4. The auxiliary hoisting device for the post-tensioned precast beam according to claim 2, wherein: preceding supporting leg (20) still include second telescopic joint (22) and second bolt (24), second telescopic joint (22) one end cup joints in second hollow tube (21), and other end fixed mounting has second ground to prop (23), be provided with one row of second through-hole (221) that transversely run through on second telescopic joint (22), second through-hole (221) are arranged along the central line of second telescopic joint (22) side, pass through second bolt (24) fixed connection between second hollow tube (21) and second telescopic joint (22).

5. The auxiliary hoisting device for the post-tensioned precast beam according to claim 1, wherein: a connecting rod (14) is arranged between the two first hollow pipes (11), and two ends of the connecting rod (14) are respectively fixedly connected with the first hollow pipes (11) on two sides of the connecting rod.