Portable concrete culvert pipe hoisting device

Abstract

The utility model relates to the technical field of culvert pipe hoisting, in particular to a portable concrete culvert pipe hoisting device which comprises a vehicle body and a clamping mechanism. The clamping mechanism comprises a hydraulic rod, a connecting piece and an auxiliary clamp; one end of the hydraulic rod is rotationally connected with the small arm of the vehicle body, and the other end of the hydraulic rod is rotationally connected with the auxiliary clamp through a connecting piece; a clamping cavity used for clamping a concrete culvert pipe is formed between the auxiliary pincers and the excavator bucket of the vehicle body. The clamping mechanism and the hydraulic rod drive the auxiliary clamp to rotate, the clamping cavity is formed between the auxiliary clamp and the excavator bucket of the vehicle body to clamp the concrete culvert pipe, the clamping cavity is attached to the side wall of the concrete culvert pipe, and the clamping stability is improved; and the position of the auxiliary clamp is limited through the arranged limiting device, the situation that the auxiliary clamp continues to rotate after clamping the concrete culvert pipe is avoided, and the clamping effect on the concrete culvert pipe is improved.

Description

Technical Field

[0001] The present application relates to the technical field of culvert hoisting, and in particular to a portable concrete culvert hoisting device. Background Art

[0002] A culvert is a pipe buried below the ground, made of casting, commonly known as a small culvert. There are also small culverts made of metal materials. The culvert is used as a water diversion pipe under the entire cofferdam dam, and in general as a water transmission pipe. In most of my country's cities, cement pipes are used as culverts for water supply and drainage.

[0003] The prior art discloses a cement culvert lifting device, comprising two symmetrically arranged support assemblies and a motion device for controlling the relative movement of the two support assemblies, the support assembly comprising an upper support roller and two lower support rollers, the two lower support rollers are hinged to the upper support roller through a connecting rod, the support assembly also comprises a vertical rod, the upper support roller is slidably mounted on the vertical rod through a sliding seat, the bottom of the vertical rod is fixedly connected with a shift rod, the shift rod is clamped between the two connecting rods, and an elastic reset member is installed between the sliding seat and the vertical rod; when the elastic reset member is compressed, the shift rod rises relative to the upper support roller, so that the two connecting rods are unfolded, so that the lower support roller presses against the inner wall of the cement culvert, and then the upper support roller and the two lower support rollers support the cement culvert to rise, the motion device comprises a mounting seat, and two lifting rings are symmetrically arranged on the mounting seat; in the process of lifting the cement culvert, the crane is moved to the lifting position, and then a rope is installed, and the rope is hung with the lifting ring, and then the rope is lifted by the crane, the rope drives the lifting ring to move, the lifting ring drives the mounting seat to move, and the mounting seat drives the cement culvert to rise and fall, so as to realize the lifting of the cement culvert.

[0004] During the hoisting process of the existing concrete culvert, after the crane reaches the designated location, workers are required to install ropes and hook the ropes on the lifting rings, which results in a large loss of manpower during the hoisting process of the concrete culvert and affects the hoisting efficiency of the concrete culvert. Utility Model Content

[0005] In order to improve the hoisting efficiency of concrete culverts, the present application provides a portable concrete culvert hoisting device.

[0006] The portable concrete culvert lifting device provided in this application adopts the following technical solution:

[0007] A portable concrete culvert lifting device comprises a vehicle body and a clamping mechanism;

[0008] The clamping mechanism comprises a hydraulic rod, a connecting piece and an auxiliary clamp; one end of the hydraulic rod is rotatably connected to the forearm of the vehicle body, and the other end is rotatably connected to the auxiliary clamp through the connecting piece, and the auxiliary clamp is arranged at one end of the forearm of the vehicle body close to the bucket of the vehicle body;

[0009] A clamping cavity for clamping a concrete culvert is formed between the auxiliary clamp and the bucket of the vehicle body.

[0010] By adopting the above technical scheme, the vehicle body is started, and the staff drives the vehicle body to move to the concrete culvert stacking position, and then adjusts the hydraulic rod, the hydraulic rod drives the auxiliary clamp to move, and the concrete culvert is clamped through the clamping cavity formed by the auxiliary clamp and the bucket of the vehicle body. After the concrete culvert is fixed and clamped, the vehicle body is adjusted, and the vehicle body drives the concrete culvert to move. After moving to the installation position of the concrete culvert, the concrete culvert is placed in the trench excavated on the ground to achieve the installation of the concrete culvert; the designed portable concrete culvert lifting device clamps the concrete culvert through the clamping cavity formed between the auxiliary clamp and the vehicle body bucket, and it is convenient to adjust the vehicle body bucket and the auxiliary clamp through the vehicle body and the hydraulic rod, thereby improving the clamping efficiency of the concrete culvert. At the same time, through the cooperation of the auxiliary clamp and the vehicle body bucket, it is convenient to clamp concrete culverts of different diameters, thereby improving the applicability of the portable concrete culvert lifting device.

[0011] In a specific possible implementation mode, the auxiliary pliers include an integrally arranged connecting portion and an arc-shaped portion, the connecting portion is rotatably connected to the forearm of the vehicle body, and the center point of the arc-shaped portion is located in the clamping cavity.

[0012] By adopting the above technical solution, the auxiliary clamps are arranged in sections, and the connecting part thereof is convenient for forming a clamping cavity with the bucket of the vehicle body, so that the opening angle of the clamping cavity can be adjusted according to concrete culverts of different specifications, thereby facilitating the clamping of the concrete culvert; the arc-shaped part thereof is convenient for limiting the position of the concrete culvert, thereby preventing the concrete culvert from falling off during transportation, improving the fit between the auxiliary clamps and the side wall of the concrete culvert, thereby improving the stability of the clamping of the concrete culvert.

[0013] In a specific possible implementation manner, the connecting member includes a hydraulic pipe, the hydraulic pipe is sleeved on the connecting portion, the hydraulic pipe is slidingly connected to the connecting portion, and the hydraulic rod is rotatably connected to the hydraulic pipe.

[0014] By adopting the above technical solution, the hydraulic tube wrapping is designed to facilitate the sliding of the hydraulic tube wrapping sleeve along the connecting portion, thereby driving one end of the hydraulic rod to rotate along the forearm of the vehicle body, thereby realizing the adjustment of the rotation angle of the auxiliary clamp. At the same time, the hydraulic rod and the hydraulic tube wrapping support the connecting portion to avoid the misalignment of the auxiliary clamp during the clamping process of the concrete culvert.

[0015] In a specific possible implementation mode, a sliding block is arranged on the inner side wall of the hydraulic pressure bag tube, and a sliding groove for sliding the sliding block is opened on the connecting portion, and the sliding groove is arranged along the length direction of the connecting portion.

[0016] By adopting the above technical solution, the designed sliding groove and sliding block are convenient for guiding the hydraulic pipe package, and at the same time, the contact area between the hydraulic pipe package and the connecting part is increased, thereby improving the connection effect between the hydraulic pipe package and the connecting part.

[0017] In a specific possible implementation manner, the connecting member includes a hydraulic pipe, the hydraulic pipe is fixedly connected to the center position of the connecting portion, and the hydraulic rod is rotatably connected to the hydraulic pipe.

[0018] By adopting the above technical solution, the hydraulic pipe is fixedly arranged at the center position of the connection part, the hydraulic rod is extended to push the hydraulic pipe to rotate, and the hydraulic pipe drives the connection part to rotate around the excavator arm. After the hydraulic rod is extended to the specified position, the connection part is suspended and fixed, and the hydraulic rod and the hydraulic pipe support the connection part to avoid the auxiliary clamp being dislocated during the clamping process of the concrete culvert, resulting in damage to the concrete culvert.

[0019] In a specific possible implementation manner, the arc-shaped portion is coated with a rubber strip.

[0020] By adopting the above technical solution, the rubber strip is designed to facilitate the fitting of the arc portion with the concrete culvert, thereby avoiding damage to the side wall of the concrete culvert caused by the auxiliary clamp.

[0021] In a specific possible implementation manner, the clamping mechanism further includes a limiter, and the limiter is disposed at a connection position between the auxiliary clamp and the vehicle body forearm, and the limiter is clamped between the auxiliary clamp and the vehicle body forearm.

[0022] By adopting the above technical solution, the designed limiter is convenient for limiting the position of the auxiliary clamp, avoiding the auxiliary clamp from continuing to rotate after clamping the concrete culvert, and improving the clamping effect of the concrete culvert.

[0023] In a specific possible implementation manner, the clamping mechanism is provided in two groups, and the two groups of the clamping mechanism are symmetrically distributed on opposite sides of the forearm of the vehicle body.

[0024] By adopting the above technical solution, the clamping mechanism is arranged in two groups, which increases the clamping area of ​​the concrete culvert, improves the clamping stability, and prevents the concrete culvert from falling during transportation.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. The clamping mechanism is set up, and the hydraulic rod drives the auxiliary clamp to rotate. A clamping cavity is formed between the auxiliary clamp and the vehicle body bucket to clamp the concrete culvert. The clamping cavity fits the side wall of the concrete culvert, which improves the stability of clamping.

[0027] 2. The set limiter limits the position of the auxiliary clamp, preventing the auxiliary clamp from continuing to rotate after clamping the concrete culvert, thereby improving the clamping effect of the concrete culvert. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 The present invention is a schematic diagram of the overall structure of a portable concrete culvert lifting device.

[0029] Figure 2 A partial view of a portable concrete culvert lifting device, intended to illustrate the clamping mechanism.

[0030] Figure 3 It is an enlarged view of part A of a portable concrete culvert lifting device, intended to illustrate the limit stop.

[0031] Figure 4 This is a schematic diagram of the connection piece and auxiliary clamp of a portable concrete culvert lifting device in Example 1, which is intended to illustrate the connection piece.

[0032] Figure 5 This is a schematic diagram of the connection piece and auxiliary clamp of a portable concrete culvert lifting device in Example 2, which is intended to illustrate the connection piece.

[0033] Description of the drawings: 1. Vehicle body; 2. Clamping mechanism; 21. Hydraulic rod; 22. Connecting piece; 221. Hydraulic bag; 2211. Sliding block; 23. Auxiliary clamp; 231. Connecting part; 2311. Sliding groove; 232. Arc-shaped part; 2321. Rubber strip; 3. Clamping cavity; 4. Limiter. DETAILED DESCRIPTION

[0034] The following is combined with Figure 1-5 This application is described in further detail.

[0035] The embodiment of the present application discloses a portable concrete culvert lifting device.

[0036] Embodiment 1:

[0037] Reference Figure 1 The present application discloses a portable concrete culvert lifting device, comprising a vehicle body 1, a limiter 4 and two sets of clamping mechanisms 2; the two sets of clamping mechanisms 2 are arranged on opposite sides of the forearm of the vehicle body 1; the designed vehicle body can be an excavator, a bucket truck, or a loader, as long as it has a bucket arm structure and can cooperate with the clamping mechanism to realize the lifting of the slow-setting soil culvert. The present application uses an excavator and a clamping mechanism to lift the concrete culvert.

[0038] Reference Figure 2 and Figure 3The clamping mechanism 2 includes a hydraulic rod 21, a connecting piece 22 and an auxiliary clamp 23; one end of the hydraulic rod 21 is rotatably connected to the arm of the vehicle body 1, and the other end is rotatably connected to the connecting piece 22; the connecting piece 22 is configured as a hydraulic pipe 221, and the auxiliary clamp 23 includes a connecting portion 231 and an arc portion 232, the hydraulic pipe 221 is sleeved on the connecting portion 231, and can slide along the length direction of the connecting portion 231, and the connecting portion 231 is rotatably connected to one end of the arm of the vehicle body 1 close to the bucket of the vehicle body 1; when clamping the concrete culvert, the piston rod of the hydraulic rod 21 extends to push the hydraulic pipe 221 to slide on the connecting portion 231, and the hydraulic pipe 221 The auxiliary clamp 23 is driven to rotate around the forearm of the vehicle body 1, and a clamping cavity 3 is formed between the auxiliary clamp 23 and the bucket of the vehicle body 1 to clamp the concrete culvert. A limiter 4 is set at the connection position between the forearm of the vehicle body 1 and the auxiliary clamp 23. The limiter 4 is set between the forearm of the vehicle body 1 and the auxiliary clamp 23, and the limiter 4 is fixedly connected to the forearm of the vehicle body 1. After the hydraulic rod 21 is extended to a certain length, the limiter 4 limits the auxiliary clamp 23 to prevent the auxiliary clamp 23 from continuing to rotate, resulting in the auxiliary clamp 23 and the forearm of the vehicle body 1 falling off during the transportation of the concrete culvert, thereby causing damage to the concrete culvert or personnel.

[0039] Reference Figure 4 The arc portion 232 is integrally arranged with the connecting portion 231, and the center of the arc portion 232 faces the clamping cavity 3, so as to ensure that the arc portion 232 can fit the side wall of the concrete culvert when clamping the concrete culvert; at the same time, the side wall of the arc portion 232 close to the clamping cavity 3 is covered with a rubber strip 2321, and when clamping the concrete culvert, the rubber strip 2321 is located between the arc portion 232 and the side wall of the concrete culvert, so as to avoid the arc portion 232 from causing damage to the concrete culvert.

[0040] A sliding block 2211 is fixedly connected to the inner wall where the hydraulic tube 221 contacts the connecting part 231, and a sliding groove 2311 is provided on the side wall of the connecting part 231 along the length direction. The sliding groove 2311 is provided along the length direction of the connecting part 231. When the hydraulic tube 221 is sleeved on the connecting part 231 and slides, the sliding block 2211 slides in the sliding groove 2311, thereby increasing the contact area between the hydraulic tube 221 and the connecting part 231, and improving the connection effect between the hydraulic tube 221 and the connecting part 231, so that the hydraulic rod 21 can push the hydraulic tube 221 to slide on the connecting part 231.

[0041] The implementation principle of a portable concrete culvert lifting device in Example 1 of the present application is as follows: in the initial state, the hydraulic rod 21 is in a retracted state, and the auxiliary clamp 23 is in contact with the side wall surface of the forearm of the vehicle body 1. When clamping the concrete culvert, the hydraulic rod 21 extends to push the hydraulic tube 221 to slide on the connecting portion 231, and the sliding block 2211 provided on the hydraulic tube 221 also slides in the sliding groove 2311 provided on the connecting portion 231. While the hydraulic tube 221 is moving, it also pushes the auxiliary clamp 23 to rotate around the forearm of the vehicle body 1. The hydraulic rod 21 is extended to a certain position. position, the auxiliary clamp 23 is suspended, and the auxiliary clamp 23 and the bucket of the vehicle body 1 are opened and closed to a certain angle. The operator controls the forearm of the excavator to align the clamping cavity 3 with the concrete culvert, and then controls the hydraulic rod 21 to continue to extend, so that the clamping cavity 3 between the auxiliary clamp 23 and the bucket of the vehicle body 1 is gradually reduced, until the arc-shaped portion 232 of the auxiliary clamp 23 fits with the side wall of the concrete culvert, and the limiter 4 limits the position of the auxiliary clamp 23 to ensure that the auxiliary clamp 23 will not continue to rotate. Finally, the operator controls the forearm of the vehicle body 1 to clamp and transport the concrete culvert.

[0042] Embodiment 2:

[0043] Reference Figure 5 The difference between the second embodiment and the first embodiment is that the connecting member 22 includes a hydraulic pipe 221, the hydraulic pipe 221 is fixedly connected to the center position of the connecting portion 231, and the hydraulic rod 21 is rotatably connected to the hydraulic pipe 221.

[0044] The implementation principle of a portable concrete culvert lifting device in Example 2 of the present application is as follows: in the initial state, the hydraulic rod 21 is in a retracted state, and the auxiliary clamp 23 is in contact with the side wall of the forearm of the vehicle body 1. When clamping the concrete culvert, the hydraulic rod 21 is extended, and the hydraulic rod 21 pushes the hydraulic tube 221 to move. While the hydraulic tube 221 moves, it also pushes the auxiliary clamp 23 to rotate around the forearm of the vehicle body 1. The hydraulic rod 21 is extended to a certain position, the auxiliary clamp 23 is suspended, and the auxiliary clamp 23 and the bucket of the vehicle body 1 are opened and closed to a certain angle. The operator controls the forearm of the excavator to align the clamping cavity 3 with the concrete culvert, and then controls the hydraulic rod 21 to continue to extend, so that the clamping cavity 3 between the auxiliary clamp 23 and the bucket of the vehicle body 1 is gradually reduced until the arc portion 232 of the auxiliary clamp 23 is in contact with the side wall of the concrete culvert, and the limiter 4 limits the position of the auxiliary clamp 23 to ensure that the auxiliary clamp 23 does not rotate. Finally, the operator controls the forearm of the vehicle body 1 to clamp and transport the concrete culvert.

[0045] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A portable concrete culvert lifting device, characterized in that: It comprises a vehicle body (1) and a clamping mechanism (2); The clamping mechanism (2) comprises a hydraulic rod (21), a connecting piece (22) and an auxiliary clamp (23); one end of the hydraulic rod (21) is rotatably connected to the forearm of the vehicle body (1), and the other end is rotatably connected to the auxiliary clamp (23) via the connecting piece (22); the auxiliary clamp (23) is arranged on the forearm of the vehicle body (1) close to one end of the bucket of the vehicle body (1); A clamping cavity (3) for clamping a concrete culvert is formed between the auxiliary clamp (23) and the bucket of the vehicle body (1).

2. A portable concrete culvert lifting device according to claim 1, characterized in that: The auxiliary pliers (23) comprise an integrally arranged connecting portion (231) and an arc-shaped portion (232); the connecting portion (231) is rotatably connected to the forearm of the vehicle body (1); and the center point of the arc-shaped portion (232) is located in the clamping cavity (3).

3. A portable concrete culvert lifting device according to claim 2, characterized in that: The connecting member (22) comprises a hydraulic pipe (221), the hydraulic pipe (221) is sleeved on the connecting portion (231), the hydraulic pipe (221) is slidably connected to the connecting portion (231), and the hydraulic rod (21) is rotationally connected to the hydraulic pipe (221).

4. A portable concrete culvert lifting device according to claim 3, characterized in that: A sliding block (2211) is arranged on the inner side wall of the hydraulic pressure tube (221), and a sliding groove (2311) for sliding of the sliding block (2211) is opened on the connecting portion (231), and the sliding groove (2311) is arranged along the length direction of the connecting portion (231).

5. The portable concrete culvert lifting device according to claim 2, characterized in that: The connecting member (22) comprises a hydraulic pipe (221), the hydraulic pipe (221) is fixedly connected to the center position of the connecting portion (231), and the hydraulic rod (21) is rotatably connected to the hydraulic pipe (221).

6. A portable concrete culvert lifting device according to claim 2, characterized in that: The arc-shaped portion (232) is coated with a rubber strip (2321).

7. The portable concrete culvert lifting device according to claim 1 is characterized by: The clamping mechanism (2) further comprises a stopper (4), and the stopper (4) is arranged at a connection position between the auxiliary clamp (23) and the forearm of the vehicle body (1), and the stopper (4) is clamped between the auxiliary clamp (23) and the forearm of the vehicle body (1).

8. A portable concrete culvert lifting device according to any one of claims 1 to 7, characterized in that: The clamping mechanism (2) is arranged in two groups, and the two groups of the clamping mechanism (2) are symmetrically distributed on opposite sides of the forearm of the vehicle body (1).

Images