CN216377156U - Concrete prefabricated section auxiliary moving tool based on self-locking principle - Google Patents

Abstract

The utility model relates to a self-locking principle-based auxiliary moving tool for a concrete precast block. The excavator bucket comprises an excavator bucket, wherein a front ear plate is arranged at the front part of the bottom of the excavator bucket, a rear ear plate is arranged at the rear part of the bottom of the excavator bucket, a release steel cable is connected to the front ear plate, and a clamping steel cable is connected to the rear ear plate; the lifting device also comprises a first lifting arm and a second lifting arm which are hinged by a hinged shaft, wherein the lower end of the first lifting arm is fixedly provided with an L-shaped first clamping arm and a first clamping block, and the lower end of the second lifting arm is provided with an L-shaped second clamping arm and a second clamping block; the device is characterized by further comprising a release pull steel cable and a clamping pull steel cable, wherein two ends of the release pull steel cable are respectively connected to the lower end positions of the first suspension arm and the second suspension arm, the middle of the release pull steel cable is connected with the lower end of the release steel cable, and two ends of the clamping pull steel cable are respectively connected to the upper end positions of the first suspension arm and the second suspension arm, and the middle of the clamping pull steel cable is connected with the lower end of the clamping steel cable. The concrete precast block construction method is simple in structure and convenient and fast to operate, improves the construction efficiency of the concrete precast block, and ensures the construction effect.

Description

Concrete prefabricated section auxiliary moving tool based on self-locking principle

Technical Field

The utility model belongs to the technical field of concrete construction equipment, and particularly relates to a concrete precast block auxiliary moving tool based on a self-locking principle.

Background

The concrete precast block is a precast block body which is obtained by integrally pouring and molding concrete in a precast mould, and is usually processed and prepared in a precast plant near an engineering project site, then is transferred and transported to the project construction site by adopting land transportation, sea transportation and other modes, and then is hoisted and placed in place by adopting equipment such as a crane and the like according to project design requirements.

The existing concrete precast block is usually cuboid, and during the production and stacking of the precast block, the transport to project site, the site construction of the precast block and the like, a large amount of transfer operation of the concrete precast block is usually involved, namely the concrete precast block is moved. Generally, the concrete precast block is not provided with a hook and other structures, so that a crane cannot be used for hoisting in the transfer operation process, a long-arm excavator can only be used for installing a hydraulic clamp for clamp block installation in the conventional operation mode, specifically, a specially-made hydraulic clamp taking a hydraulic cylinder as power is installed at the front end of a long arm of the long-arm excavator, an operator operates the hydraulic clamp in a cab to clamp and release the concrete precast block, and the long arm is operated to move to realize the transfer operation of the concrete precast block. However, the hydraulic clamp has high failure rate and difficult clamping blocks, the force is not easy to control during placement, collision damage among the blocks is easy to cause, the appearance is not beautiful, quality defects are easy to occur, and the construction cost is increased.

Therefore, an auxiliary operation tool for transferring and moving the concrete precast block is required to be developed and designed, so that the operation convenience of transferring and moving the concrete precast block is improved, the operation efficiency is improved, and the construction effect of the concrete precast block during construction and placement is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model provides a self-locking-principle-based auxiliary moving tool for a concrete precast block, which is simple in structure, convenient and fast to operate, and capable of improving the construction efficiency of the concrete precast block and ensuring the construction effect, and aims to solve the technical problems in the prior art.

The technical scheme adopted by the utility model for solving the technical problems in the prior art is as follows: a self-locking principle-based auxiliary moving tool for a concrete precast block comprises an excavator bucket, wherein the front part of the bottom of the excavator bucket is provided with a front ear plate, the rear part of the bottom of the excavator bucket is provided with a rear ear plate, the front ear plate is connected with a release steel cable, and the rear ear plate is connected with a clamping steel cable; the lifting device comprises a first lifting arm and a second lifting arm which are hinged through a hinged shaft, wherein the lower end of the first lifting arm is fixedly provided with an L-shaped first clamping arm, the inner end of the first clamping arm is hinged with a first clamping block, the lower end of the second lifting arm is provided with an L-shaped second clamping arm, and the inner end of the second clamping arm is hinged with a second clamping block; the device is characterized by further comprising a release pull steel cable and a clamping pull steel cable, wherein two ends of the release pull steel cable are respectively connected to the lower end positions of the first suspension arm and the second suspension arm, the middle of the release pull steel cable is connected with the lower end of the release steel cable, and two ends of the clamping pull steel cable are respectively connected to the upper end positions of the first suspension arm and the second suspension arm, and the middle of the clamping pull steel cable is connected with the lower end of the clamping steel cable.

The utility model has the advantages and positive effects that:

compared with the existing auxiliary moving tool for the concrete precast block, the moving tool provided by the utility model realizes reliable clamping of the concrete precast block by utilizing the self-locking characteristic generated by the first suspension arm and the first clamping arm which are hinged with each other, and the second suspension arm and the second clamping arm. Due to the fact that the self-locking principle is adopted for operation, the tool does not need to be provided with any power part, and therefore the tool can be very conveniently installed on engineering machinery or can be achieved by modifying the existing engineering machinery.

Install in the below of bucket through the main part carry with the removal instrument, and release the steel cable and be connected with anterior otic placode, the centre gripping steel cable is connected with the rear portion otic placode, realized realizing the technological effect to removal instrument operating condition control through the posture conversion control to the bucket, the bucket carries out the in-process release steel cable or centre gripping steel cable that the posture changed and obtains tractive in turn, correspondingly this instrument changes between two states of centre gripping concrete prefabricated section and release concrete prefabricated section, consequently this removal instrument is very convenient for operate and use. Compared with the prior auxiliary tool, the moving tool has stronger operability of hoisting, moving and placing the concrete precast block, can realize accurate positioning of the concrete precast block under the condition of particularly matching ground personnel to carry out construction operation, does not need to be repeatedly operated to find the position, thereby improving the construction efficiency of the concrete precast block, does not have the problem of collision between precast blocks in the process of placing the concrete precast block, ensures the construction quality of the concrete precast block and effectively avoids the quality defect.

Preferably: a plurality of first combinations formed by the first suspension arms and the first clamping arms are arranged, a plurality of second combinations formed by the second suspension arms and the second clamping arms are arranged, and the first combinations and the second combinations are arranged at intervals; the outer side of the first clamping arm of each first combination is provided with a first connecting plate which is fixedly connected with each first clamping arm through a fixing bolt, and the outer side of the second clamping arm of each second combination is provided with a second connecting plate which is fixedly connected with each second clamping arm through a fixing bolt.

Preferably: and the upper ends of the first suspension arm and the second suspension arm are respectively fixedly provided with a suspension arm upper connecting block, and the two ends of the clamping pulling steel cable are respectively connected with the two suspension arm upper connecting blocks through clamping cable side shackles.

Preferably: and the outer sides of the connecting positions of the first suspension arm and the first clamping arm and the outer sides of the connecting positions of the second suspension arm and the second clamping arm are respectively provided with suspension arm middle connecting blocks, and the two ends of the release pull steel cable are respectively connected with the two suspension arm middle connecting blocks through release cable side shackles.

Preferably: the middle part of each release pulling steel cable is fixedly connected with the middle part shackle of the release cable, and the lower end of each release steel cable is connected with the middle part shackle of the release cable; the device also comprises a middle shackle of the clamping cable, the middle part of each clamping traction steel cable is fixedly connected with the middle shackle of the clamping cable, and the lower end of each clamping steel cable is connected with the middle shackle of the clamping cable.

Preferably: and a first handle is fixedly arranged on the outer side of the connecting block in the middle of one of the suspension arms, and a second handle is fixedly arranged on the outer side of the connecting block in the middle of the other suspension arm.

Preferably: the first clamping block comprises a first clamping base body, and a first rubber cushion block is fixedly arranged on the first clamping base body; the second clamping block comprises a second clamping base body, and a second rubber cushion block is fixedly arranged on the second clamping base body.

Drawings

FIG. 1 is a schematic structural view of the present invention in a use state, clamping a concrete precast block;

FIG. 2 is a schematic structural diagram of the present invention in a use state, releasing the concrete precast block.

In the figure:

1. excavating a bucket; 1-1, mounting a bucket; 1-2, bucket teeth; 1-3, front ear plate; 1-4, a rear ear plate; 2. releasing the steel cable; 3. releasing the middle part of the cable to break out; 4. clamping the steel cable; 5. releasing the pull wire rope; 6. the lateral part of the clamping cable is broken off; 7. a connecting block at the upper part of the suspension arm; 8. a connecting block is arranged in the middle of the suspension arm; 9. a first handle; 10. fixing the bolt; 11. a first connecting plate; 12. a first clamp arm; 13. a first clamping block; 14. a second boom; 15. hinging a shaft; 16. a first boom; 17. the middle part of the clamping cable is broken off; 18. clamping a pull steel cable; 19. releasing the cable side shackle; 20. a second handle; 21. a second connecting plate; 22. a second clamp arm; 23. a second clamping block; 24. a concrete precast block.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail.

Referring to fig. 1 and 2, the auxiliary moving tool for the concrete precast block based on the self-locking principle of the utility model comprises a bucket 1, wherein a front ear plate 1-3 is arranged at the front part of the bottom of the bucket 1, and a rear ear plate 1-4 is arranged at the rear part of the bottom. As shown in the drawings, the term "front portion" herein refers to a back portion of the bucket 1, i.e., a side away from the cab of the work vehicle, and the term "rear portion" herein refers to an opening portion of the bucket 1, i.e., a side toward the cab of the work vehicle.

As shown in the figure, a bucket mounting plate 1-1 with a connecting hole is mounted at the front part of a bucket 1, bucket teeth 1-2 are arranged at the rear edge of the bucket 1, and the bucket 1 is mounted to the front end of a long arm of a construction machine (a long arm excavator) through the bucket mounting plate 1-1. Therefore, the auxiliary moving tool of the present invention can be designed as a kit and be prepared for use after construction, or can be obtained by modifying an existing construction machine (boom excavator). In the former structure, the bucket 1 of the auxiliary moving tool is used as a spare bucket of the long-arm excavator, when the engineering machinery needs to move and place the concrete precast block 24, the current bucket of the long-arm excavator is detached, the bucket 1 of the auxiliary moving tool is installed at the original position of the long arm, and the engineering machinery completes conversion; in the latter construction, in the case where the construction machine is not equipped with a spare bucket, the current bucket can be modified to form the auxiliary moving tool at the front of the long arm.

The front ear plate 1-3 is connected with a release cable 2, and the rear ear plate 1-4 is connected with a clamping cable 4. Wherein, through tractive release steel cable 2, realize this instrument and open this instrument to the release action of concrete prefabricated section 24, through tractive centre gripping steel cable 4, realize this instrument to the centre gripping fixed action of concrete prefabricated section 24 this instrument auto-lock promptly. The aforementioned action switching is realized by attitude switching of the operating bucket 1, and the attitude switching operation of the operating bucket 1 is performed in the cab of the construction machine and is consistent with normal operation of the long arm excavator. Specifically, as shown in fig. 1, when the bucket 1 is hooked up, the rear ear plate 1-4 moves upward relative to the front ear plate 1-3, the clamping wire rope 4 is tightened, and accordingly the release wire rope 2 is loosened, and as shown in fig. 2, when the bucket 1 is reversed, the rear ear plate 1-4 moves downward relative to the front ear plate 1-3, the clamping wire rope 4 is loosened, and accordingly the release wire rope 2 is tightened. Thus, the operation mode of the auxiliary moving tool is switched by switching the posture of the bucket 1.

The lifting device further comprises a first lifting arm 16 and a second lifting arm 14 which are hinged and connected through a hinge shaft 15, wherein an L-shaped first clamping arm 12 is fixedly installed at the lower end of the first lifting arm 16, a first clamping block 13 is hinged and installed at the inner end of the first clamping arm 12, an L-shaped second clamping arm 22 is installed at the lower end of the second lifting arm 14, and a second clamping block 23 is hinged and installed at the inner end of the second clamping arm 22. The first suspension arm 16 and the first clamping arm 12 form a first combination, the second suspension arm 14 and the second clamping arm 22 form a second combination, and the first combination and the second combination form a cross structure (i.e. a scissors structure), and the cross structure is operated to realize the clamping and releasing operation of the concrete precast block 24.

Both the first boom 16 and the second boom 14 may be fabricated from thick-walled metal tubing or from C/i-section steel, etc., to ensure structural strength. Similarly, the first clamping arm 12 and the second clamping arm 22 can be made of thick-walled metal tubes or made of C-shaped steel/I-shaped steel, and the structural strength is ensured. The lower end of the first arm 16 is welded to the upper end of the first clamp arm 12, and the lower end of the second arm 14 is welded to the upper end of the second clamp arm 22.

In this embodiment, the first clamping block 13 includes a first clamping base, a first rubber pad is fixedly mounted on the first clamping base, and the first clamping base is hinged to the end of the first clamping arm 12; the second clamping block 23 comprises a second clamping base body, a second rubber cushion block is fixedly mounted on the second clamping base body, and the second clamping base body is hinged to the end portion of the second clamping arm 22. The friction between the first clamping block 13 and the second clamping block 23 and the concrete precast block 24 is improved by arranging the first rubber cushion block and the second rubber cushion block, so that the stability of clamping and fixing the concrete precast block 24 is improved.

Further comprising a release guy cable 5 and a clamp guy cable 18, the release guy cable 5 being connected at its two ends to the lower end positions of the first and second boom 16, 14, respectively, and at its middle to the lower end of the release wire 2. The clamping wire rope 18 is connected at its two ends to the upper end positions of the first boom 16 and the second boom 14, respectively, and at its middle to the lower end of the clamping wire rope 4. Thus, when the transition of the aforementioned operating modes occurs: when the release wire rope 2 is tensioned, the release pull wire rope 5 synchronously pulls the lower ends of the first suspension arm 16 and the second suspension arm 14 upwards, and then the first clamping arm 12 drives the first clamping block 13, the second clamping arm 22 drives the second clamping block 23 to synchronously move outwards, so that a release action is generated; when the clamping wire rope 4 is tensioned, the clamping pull wire rope 18 synchronously pulls the upper ends of the first suspension arm 16 and the second suspension arm 14 upwards, and then the first clamping 12 drives the first clamping block 13, the second clamping arm 22 drives the second clamping block 23 to synchronously move inwards, so that the clamping action is generated.

In this embodiment, the upper end of each of the first boom 16 and the second boom 14 is fixedly provided with a boom upper connecting block 7, the boom upper connecting block 7 is welded to the end of the boom, and the two ends of the clamping pull steel cable 18 are respectively connected to the two boom upper connecting blocks 7 through the clamping cable side shackles 6. And boom middle connecting blocks 8 are respectively arranged on the outer sides of the connecting positions of the first boom 16 and the first clamping arm 12 and the connecting positions of the second boom 14 and the second clamping arm 22, the two boom middle connecting blocks 8 are respectively welded and fixed with the connecting positions of the first boom 16 and the first clamping arm 12 and the connecting positions of the second boom 14 and the second clamping arm 22, and two ends of the release pull steel cable 5 are respectively connected with the two boom middle connecting blocks 8 through release cable side part shackles 19. The structure form that the shackle is adopted to connect can promote the convenience that this supplementary moving means founds and maintains.

In the embodiment, the device also comprises a release cable middle part shackle 3, wherein the middle part of a release traction steel cable 5 is fixedly connected with the release cable middle part shackle 3, and the lower end of a release steel cable 2 is connected with the release cable middle part shackle 3; the device also comprises a clamping cable middle shackle 17, the middle part of the clamping traction steel cable 18 is fixedly connected with the clamping cable middle shackle 17, and the lower end of the clamping steel cable 4 is connected with the clamping cable middle shackle 17. The structure form that the shackle is adopted to connect can promote the convenience that this supplementary moving means founds and maintains.

In this embodiment, a first handle 9 is fixedly installed on the outer side of one of the boom middle connecting blocks 8, and a second handle 20 is fixedly installed on the outer side of the other boom middle connecting block 8. The first handle 9 and the second handle 20 serve two purposes: one of the functions is that when the concrete precast block 24 is in a hoisting state, ground auxiliary personnel push and pull the moving tool through a handle, so that when the concrete precast block 24 is placed, the placing position accuracy can be improved; the other function is that under some special conditions, such as the breakage of the release steel cable 2, when the concrete precast block 24 is placed completely, the auxiliary moving tool cannot be released from the concrete precast block 24 under the operation of the engineering machinery, at the moment, two operators can hold the first handle 9 and the second handle 20 from two sides, the self-locking is released through the cross-poor structure, and the concrete precast block is released.

In this embodiment, in order to improve the stability of holding and fixing the concrete precast block 24, a plurality of first combinations each composed of the first arm 16 and the first holding arm 12 are provided, a plurality of second combinations each composed of the second arm 14 and the second holding arm 22 are provided, and each first combination and each second combination are provided at an interval. The first connecting plate 11 is arranged on the outer side of the first clamping arm 12 of each first combination, the first connecting plate 11 is fixedly connected with each first clamping arm 12 through the fixing bolt 10, the second connecting plate 21 is arranged on the outer side of the second clamping arm 22 of each second combination, and the second connecting plate 21 is fixedly connected with each second clamping arm 22 through the fixing bolt 10.

The first connecting plate 11 connects the first assemblies into a rigid whole, and the second connecting plate 21 connects the second assemblies into a rigid whole, so that the auxiliary moving tool is provided with a plurality of first clamping blocks 13 and a plurality of second clamping blocks 23, and when the switching action of the working mode occurs, the first clamping blocks 13 and the second clamping blocks 23 respectively synchronously act, thereby realizing the clamping and releasing effects on the concrete precast block 24.

At this time, the release haul cable 5 and the clamp haul cable 18 are respectively provided with a plurality of pieces, the middle parts of the release haul cables 5 converge and are fixedly connected with the release cable middle shackle 3, the middle parts of the clamp haul cables 18 converge and are fixedly connected with the clamp cable middle shackle 17, namely, the release cable 2 synchronously pulls and releases the release haul cables 5, and the clamp haul cable 4 synchronously pulls and releases the clamp haul cables 18.

The operation mode is as follows:

fig. 1 shows a clamping mode of the concrete precast block 24, at this time, the excavator bucket 1 performs a hooking action (corresponding to an excavating action of the excavator), the rear ear plates 1-4 are lifted relative to the front ear plates 1-3, the clamping steel cables 4 and the clamping pull steel cables 18 are tensioned, the release steel cables 2 and the release pull steel cables 5 are released, the concrete precast block 24 is clamped and fixed, at this time, the long arm of the long-arm excavator can lift the whole tool and the concrete precast block 24 for position transfer, and the concrete precast block 24 is placed under the assistance of ground personnel after moving in place;

fig. 2 shows a release mode of the concrete precast block 24, at this time, the excavator bucket 1 performs a reverse action (corresponding to a soil dumping action of the excavator), the rear ear plates 1-4 are lowered relative to the front ear plates 1-3, the clamping wire ropes 4 and the clamping pull wire ropes 18 are loosened, the release wire ropes 2 and the release pull wire ropes 5 are tightened, the concrete precast block 24 is released, after the placement action is completed, the long arm of the long arm excavator lifts the whole tool up, and the tool is transferred to the position of the next concrete precast block 24 to prepare for the next transfer and placement operation.

Claims (7)

1. The utility model provides a supplementary instrument that removes of concrete prefabricated section based on auto-lock principle which characterized by: comprises an excavator bucket (1), wherein the front part of the bottom of the excavator bucket (1) is provided with a front ear plate (1-3), the rear part of the bottom is provided with a rear ear plate (1-4), the front ear plate (1-3) is connected with a release steel cable (2), and the rear ear plate (1-4) is connected with a clamping steel cable (4); the lifting device is characterized by further comprising a first lifting arm (16) and a second lifting arm (14) which are hinged and connected through a hinge shaft (15), wherein an L-shaped first clamping arm (12) is fixedly installed at the lower end of the first lifting arm (16), a first clamping block (13) is hinged and installed at the inner end of the first clamping arm (12), an L-shaped second clamping arm (22) is installed at the lower end of the second lifting arm (14), and a second clamping block (23) is hinged and installed at the inner end of the second clamping arm (22); the lifting device is characterized by further comprising a release pull steel cable (5) and a clamping pull steel cable (18), wherein the two ends of the release pull steel cable (5) are respectively connected to the lower end positions of the first lifting arm (16) and the second lifting arm (14), the middle of the release pull steel cable is connected with the lower end of the release steel cable (2), the two ends of the clamping pull steel cable (18) are respectively connected to the upper end positions of the first lifting arm (16) and the second lifting arm (14), and the middle of the clamping pull steel cable is connected with the lower end of the clamping steel cable (4).

2. The self-locking principle-based auxiliary moving tool for concrete precast blocks as recited in claim 1, characterized in that: a plurality of first combinations formed by the first suspension arms (16) and the first clamping arms (12), a plurality of second combinations formed by the second suspension arms (14) and the second clamping arms (22), and the first combinations and the second combinations are arranged at intervals; a first connecting plate (11) is arranged on the outer side of the first clamping arm (12) of each first combination, the first connecting plate (11) is fixedly connected with each first clamping arm (12) through a fixing bolt (10), a second connecting plate (21) is arranged on the outer side of the second clamping arm (22) of each second combination, and the second connecting plate (21) is fixedly connected with each second clamping arm (22) through the fixing bolt (10).

3. The self-locking principle-based auxiliary moving tool for concrete precast blocks as recited in claim 2, characterized in that: the upper ends of the first suspension arm (16) and the second suspension arm (14) are respectively provided with and fixed with suspension arm upper connecting blocks (7), and the two ends of a clamping pull steel cable (18) are respectively connected with the two suspension arm upper connecting blocks (7) through clamping cable side shackles (6).

4. The self-locking principle-based auxiliary moving tool for concrete precast blocks as recited in claim 3, characterized in that: and boom middle connecting blocks (8) are respectively arranged on the outer sides of the connecting positions of the first boom (16) and the first clamping arm (12) and the connecting positions of the second boom (14) and the second clamping arm (22), and the two ends of the release pull steel cable (5) are respectively connected with the two boom middle connecting blocks (8) through release cable side shackles (19).

5. The self-locking principle-based auxiliary moving tool for concrete precast blocks as recited in claim 4, characterized in that: the middle part of each release pulling steel cable (5) is fixedly connected with the middle part shackle (3) of the release cable, and the lower end of the release steel cable (2) is connected with the middle part shackle (3) of the release cable; the clamping device is characterized by further comprising a clamping cable middle part shackle (17), the middle part of each clamping pulling steel cable (18) is fixedly connected with the clamping cable middle part shackle (17), and the lower end of each clamping steel cable (4) is connected with the clamping cable middle part shackle (17).

6. The self-locking principle-based auxiliary moving tool for concrete precast blocks as recited in claim 5, characterized in that: a first handle (9) is fixedly arranged on the outer side of one of the boom middle connecting blocks (8), and a second handle (20) is fixedly arranged on the outer side of the other boom middle connecting block (8).

7. The self-locking-principle-based auxiliary moving tool for concrete precast blocks as recited in claim 6, is characterized in that: the first clamping block (13) comprises a first clamping base body, and a first rubber cushion block is fixedly arranged on the first clamping base body; the second clamping block (23) comprises a second clamping base body, and a second rubber cushion block is fixedly arranged on the second clamping base body.

Images