Municipal pipeline hoisting device

Abstract

The utility model relates to a municipal pipeline hoisting device which comprises a sleeve with two open ends, a plurality of horizontal grooves are formed in the outer surface of the sleeve, clamping jaws are inserted into the grooves in a sliding mode, a conical shaft body is arranged in the sleeve between the clamping jaws, the outer conical surface of the shaft body is attached to the inner end faces of the clamping jaws, and the outer conical surface of the shaft body is attached to the inner end faces of the clamping jaws. The upper end of the clamping jaw positioned in the sleeve is provided with a limiting bulge for preventing the clamping jaw from sliding out of the sleeve, the sleeve positioned below the shaft body is internally provided with a limiting part for preventing the shaft body from falling, the upper end of the shaft body is connected with external lifting equipment, and the upper end of the sleeve is provided with an auxiliary lifting lug. The whole device is placed in the pipeline, then the shaft body is lifted, clamping of the pipeline can be rapidly completed, therefore, the whole pipeline is lifted, moved and assembled, and the device is used for the pipeline with the short length, suitable for industrial production and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hoisting tools, and particularly relates to a municipal pipeline hoisting device. BACKGROUND

[0002] In the existing Chinese patent database, a patent with the name of a fixed cylinder shaft lifting appliance is disclosed, the application number is CN209740521U, and the application date is April 1, 2019. A fixed cylinder shaft lifting appliance includes a circular main frame, the left and right sides of the main frame are provided with large hooks through pins, the hooks of the large hooks are outward, a middle shaft is movably arranged at the center of the main frame, a mechanism seat is arranged on the middle shaft, the mechanism seat is composed of two symmetrical conical tables, a middle shaft seat is fixedly arranged at the upper end of the middle shaft, a guide shaft is arranged at the upper end of the middle shaft seat, a shaft sleeve is fixedly arranged outside the guide shaft, a limiting protrusion is fixedly arranged at the upper end of the shaft sleeve, the shaft sleeve and the limiting protrusion are wrapped with a sleeve, the sleeve moves up and down along the shaft sleeve, a universal lifting ring is arranged at the upper end of the sleeve, a pair of small hooks are movably arranged at the lower end of the sleeve, the small hooks are located on the left and right sides of the mechanism seat and are in contact with the mechanism seat, lifting lugs are arranged on the left and right sides of the lower end of the sleeve, and chains and shackles are arranged between the lifting lugs and the large hooks. The utility model has the advantages of simple and reasonable structure, convenient use, easy lifting of the fixed cylinder shaft, safety, and convenience for production and processing.

[0003] During municipal construction, the pipeline needs to be moved and assembled, at this time, the corresponding hoisting equipment needs to be operated to improve the construction efficiency, therefore, the present application aims to provide a municipal pipeline hoisting device which can clamp from the inside of the pipeline and quickly complete the hoisting of the pipeline. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of how to complete the hoisting and assembly of the pipeline, and provides a municipal pipeline hoisting device to improve the deficiencies.

[0005] To achieve the above-mentioned purpose, the utility model is realized by the following technical scheme:

[0006] A municipal pipeline hoisting device includes a sleeve with openings at both ends, a plurality of horizontal grooves are formed on the outer surface of the sleeve, a clamping jaw is slidably inserted into each groove, a conical shaft is arranged in the sleeve between the clamping jaws, the outer conical surface of the shaft is arranged in contact with the inner end surface of the clamping jaw, a limiting protrusion is arranged on the upper end of the clamping jaw in the sleeve to prevent the clamping jaw from sliding out of the sleeve, a limiting component is arranged in the sleeve below the shaft to prevent the shaft from falling, the upper end of the shaft is connected to an external lifting device, and an auxiliary lifting lug is arranged at the upper end of the sleeve.

[0007] As a preferred scheme, the upper end of the shaft body is integrally provided with a connecting head, and further comprises a connecting lifting lug connected with an external lifting device, a connecting clamping groove is formed in the bottom of the connecting lifting lug, and the connecting head is clamped in the connecting clamping groove.

[0008] As a preferred scheme, a connecting hole is formed in the top of the connecting lifting lug, a chain is connected in the connecting hole, the lower end of the chain is fixedly connected with the connecting lifting lug through a connecting pin, and the upper end of the chain is connected with the external lifting device.

[0009] As a preferred scheme, the limiting component is a limiting pin shaft, a horizontal through pin hole is formed in the outer circumferential surface of the sleeve, the limiting pin shaft is inserted into the through pin hole and arranged below the shaft body.

[0010] As a preferred scheme, the sleeve comprises a lower cylinder body, an inner stepped surface is arranged at the upper end of the lower cylinder body, an upper cylinder body is welded on the inner stepped surface, and a top cover is welded on the upper surface of the upper cylinder body.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: due to the cooperation of the shaft body and the claw, the whole device is placed in the pipeline, and the shaft body is lifted to quickly clamp the pipeline, so that the whole pipeline is lifted and moved and assembled, the device is used for the pipeline with short length, is suitable for industrial production, and has strong practicability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model.

[0013] In the drawing: 1 sleeve, 101 lower cylinder body, 102 upper cylinder body, 103 top cover, 2 groove, 3 claw, 301 limiting protrusion, 4 shaft body, 5 auxiliary lifting lug, 6 connecting head, 7 connecting lifting lug, 8 connecting clamping groove,

[0014] 9 chain, 10 limiting pin shaft, 11 pipeline. DETAILED DESCRIPTION

[0015] The technical scheme of the present application will be further described with reference to the drawings and examples.

[0016] As Figure 1As shown, it is a municipal pipeline hoisting device, including two ends open sleeve 1, sleeve 1 outer surface on which a plurality of horizontal grooves 2 are formed, each groove 2 is slidably inserted with a jaw 3, a tapered shaft 4 is arranged between each jaw 3 in the sleeve 1, the outer taper surface of the shaft 4 is arranged with the inner end surface of the jaw 3, the upper end of the jaw 3 in the sleeve 1 is provided with a limiting protrusion 301 to avoid the jaw 3 from sliding out of the sleeve 1, a limiting component is arranged in the sleeve 1 below the shaft 4 to avoid the shaft 4 from falling, the upper end of the shaft 4 is connected with an external lifting device, and the upper end of the sleeve 1 is provided with an auxiliary lifting lug 5. The upper end of the shaft 4 is integrally provided with a connecting head 6, and the connecting lug 7 connected with the external lifting device is further included, a connecting clamping groove 8 is formed in the bottom of the connecting lug 7, and the connecting head 6 is clamped in the connecting clamping groove 8. A connecting hole is formed in the top of the connecting lug 7, a chain 9 is connected in the connecting hole, the lower end of the chain 9 is fixedly connected with the connecting lug 7 through a connecting pin, and the upper end of the chain 9 is connected with the external lifting device. The limiting component is a limiting pin 10, a horizontal through pin hole is formed in the outer circumferential surface of the sleeve 1, the limiting pin 10 is inserted into the through pin hole and arranged below the shaft 4. The sleeve 1 includes a lower cylinder body 101, the upper end of the lower cylinder body 101 is provided with an inner step surface, the upper end of the lower cylinder body 101 is welded with an upper cylinder body 102, and the upper surface of the upper cylinder body 102 is welded with a top cover 103.

[0017] In operation, the operator first connects the lifting point of the external lifting device with the auxiliary lifting lug 5 at the upper end of the sleeve 1, and then places the whole device into the pipeline 11 through the lifting device. At this time, there is a gap between the outer end of the jaw 3 outside the sleeve 1 and the inner wall of the pipeline 11, and the lower end of the shaft 4 inside the sleeve 1 is abutted against the limiting pin 10 due to the action of its own gravity. When the whole device is located in the pipeline 11 and the bottom is in contact with the ground, the lifting point originally connected with the auxiliary lifting lug 5 is connected with the chain 9 above the shaft 4, the lifting device is lifted upward, and the shaft 4 is vertically moved upward. During the movement, the position of the taper surface of the shaft 4 changes, so that the jaw 3 moves along the horizontal direction outside the sleeve 1 until the tooth surface of the outer end of the jaw 3 is abutted against the inner wall of the pipeline 11. Then the jaw 3 is clamped from the inside of the pipeline 11, and the lifting device can complete the hoisting and displacement of the pipeline 11 and the assembly.

[0018] The utility model is not limited to the above embodiment, on the basis of the technical scheme disclosed in the utility model, the skilled in the art can make some substitutions and deformations to some technical features without creative labor according to the disclosed technical content, and these substitutions and deformations are all within the protection scope of the utility model.

Claims

1. A municipal pipe hoisting device, characterized by: The utility model provides a sleeve (1) of both ends are open, a plurality of horizontal grooves (2) are set up on the outer surface of sleeve (1), and the clamping jaw (3) is inserted in each groove (2) and slides, the conical shaft body (4) is arranged in the sleeve (1) between each clamping jaw (3), the outer conical surface of shaft body (4) is attached to the inner end surface of clamping jaw (3) setting, the limiting protrusion (301) that avoids clamping jaw (3) to slide to the outside of sleeve (1) is set up on the upper end of clamping jaw (3) in sleeve (1), the limiting component that avoids shaft body (4) to fall is set up in the sleeve (1) below shaft body (4), the upper end of shaft body (4) is connected with the external lifting equipment, the upper end of sleeve (1) is provided with auxiliary lifting lug (5).

2. A municipal pipe hoisting device according to claim 1, characterized in that: The upper end of shaft body (4) is integrally provided with connecting head (6), and the connecting lifting lug (7) connected with the external lifting equipment is further included, the connecting clamping groove (8) is set up in the bottom of connecting lifting lug (7), and connecting head (6) is clamped in connecting clamping groove (8).

3. A municipal pipe hoisting device according to claim 2, characterized in that: The connecting hole is set up in the top of connecting lifting lug (7), the chain (9) is connected in the connecting hole, the lower end of chain (9) is fixedly connected with connecting lifting lug (7) through connecting pin, and the upper end of chain (9) is connected with the external lifting equipment.

4. A municipal pipe hoisting device according to claim 3, characterized in that: The limiting component is limiting pin shaft (10), the horizontal through pin hole is set up on the outer circumferential surface of sleeve (1), limiting pin shaft (10) is inserted in the through pin hole and is arranged below shaft body (4).

5. A municipal pipe hoisting device according to any one of claims 1-4, characterized in that: The sleeve (1) includes lower cylinder body (101), the inner step surface is set up on the upper end of lower cylinder body (101), the upper cylinder body (102) is welded on the inner step surface, and the top cover (103) is welded on the upper surface of upper cylinder body (102).

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