CN217201674U

CN217201674U - A tong subassembly for concrete pipe hoist and mount, installation

Info

Publication number: CN217201674U
Application number: CN202220662813.7U
Authority: CN
Inventors: 孔秀燕; 苏秀丽; 于学兵; 张中坤
Original assignee: Shandong Shunhe Road And Bridge Engineering Co ltd; Jinan Yellow River Bridge Constrution Group Co Ltd
Current assignee: Shandong Shunhe Road And Bridge Engineering Co ltd; Jinan Yellow River Bridge Constrution Group Co Ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-16
Anticipated expiration: 2032-03-25

Abstract

The technical problem to be solved by the utility model is to provide a hanging tong assembly for hoisting and installing a concrete pipeline, which improves the installation quality of the reinforced concrete pipeline, accelerates the construction progress and improves the construction safety, and comprises a fixed hanging beam, wherein a telescopic hanging beam is sleeved in one end of the fixed hanging beam and can stretch relative to the fixed hanging beam, and a lifting lug is arranged at the top of the outer wall of the fixed hanging beam; the bottom of the outer wall of the fixed hanging beam is provided with two first hanging tongs, one end of the telescopic hanging beam far away from the fixed hanging beam is in threaded connection with an adjusting screw rod which is vertically distributed, the upper end of the adjusting screw rod is provided with a rotary table, the lower end of the adjusting screw rod is in rotating connection with a second hanging tong, and the second hanging tong can be adjusted to move up and down through rotating the adjusting screw rod.

Description

A tong subassembly for concrete pipe hoist and mount, installation

Technical Field

The utility model relates to a give drainage engineering concrete pipe erection construction technical field, concretely relates to tong subassembly that is used for concrete pipe hoist and mount, installation.

Background

In the concrete pipeline installation process, firstly, guarantee not destroyed at pipeline hoist and mount in-process pipe shaft, secondly guarantee that pipeline position is correct, linear smooth-going, pipeline interface do not have the damage in the pipeline installation, the bell and spigot pipeline still needs to guarantee that the interface depth of insertion meets the requirements. The existing common concrete pipeline hoisting method is to hoist the pipeline by using a canvas sling, and during installation, the pipeline is installed by using a crane and matching with manpower. The construction method has the advantages that the pipeline is greatly swung in the hoisting process, the pipeline is easy to fall, and the construction danger is increased. In the process of pipeline installation, the axial centers of pipelines are not easy to align, the pipeline interfaces are easy to damage, the line type of the pipeline installation position is difficult to guarantee, after the pipeline is in place, the canvas sling needs to be drawn out from the bottom of the pipeline, the secondary movement of the pipeline is caused, and the installation quality of the pipeline is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a tong subassembly for concrete pipe hoist and mount, installation improves reinforced concrete pipe's installation quality, accelerates the construction progress, improves the security of construction.

The utility model discloses a realize through following technical scheme:

a hanging tong assembly for hoisting and mounting concrete pipelines comprises a fixed hanging beam, wherein a telescopic hanging beam is sleeved in one end of the fixed hanging beam and can stretch relative to the fixed hanging beam, and a lifting lug is arranged at the top of the outer wall of the fixed hanging beam;

the bottom of the outer wall of the fixed hanging beam is provided with two first hanging tongs, one end of the telescopic hanging beam far away from the fixed hanging beam is in threaded connection with an adjusting screw rod which is vertically distributed, the upper end of the adjusting screw rod is provided with a rotary table, the lower end of the adjusting screw rod is in rotating connection with a second hanging tong, and the second hanging tong can be adjusted to move up and down through rotating the adjusting screw rod.

Furthermore, the first hanging tong and the second hanging tong both comprise a connecting block and two tong arms, the two tong arms are symmetrically distributed, the upper ends of the two tong arms are hinged to the bottom of the connecting block, the lower ends of the two tong arms are hinged with the tong claws, the two tong claws are symmetrically arranged in a crossed manner, and the crossed parts of the two tong claws are hinged into a whole;

the lower part of the clamp claw at the intersection is an arc-shaped clamp part.

The left end and the right end of the fixed hollow rod respectively penetrate through the intersection of the claws of the two first hanging tongs; the positioning motor is installed inside the fixed hollow rod, the screw rod is in threaded connection with the axis position of an output shaft of the positioning motor, and the left end of the screw rod penetrates through the jaw intersection of the second hanging tong.

Furthermore, in the second hanging tong, the lower ends of the two tong arms are hinged to the tong claws through pin shafts, a fastening screw rod penetrates through the shaft bodies of the two pin shafts together, butterfly nuts are in threaded connection with the front end and the rear end of the fastening screw rod respectively, and the two butterfly nuts are located on the outer sides of the two pin shafts respectively.

Furthermore, the arc length of the clamp parts of the first hanging tong and the second hanging tong is 2/3 of the circumference of the concrete pipeline, and the inner side surfaces of the clamp parts are provided with tooth-shaped rubber sheets.

The utility model discloses prior art compares the beneficial effect who gains as follows:

1. the fixed hoisting beam is hoisted by a hoisting device, so that the two first hoisting tongs hoist the pipeline to be installed together, the pipeline to be installed is moved to the position of the pipe orifice of the installed pipeline, the second hoisting tongs clamp the pipe orifice of the installed pipeline by adjusting the height of the second hoisting tongs, the height of the pipe orifice of the installed pipeline is adjusted by an adjusting screw rod to be aligned with the pipe orifice of the installed pipeline, the fixed hoisting beam moves relative to the telescopic hoisting beam, the longitudinal positions of the installed pipeline and the pipeline to be installed are adjusted, the pipe orifice of the pipeline to be installed is butted with the pipe orifice of the installed pipeline and is installed in place, and then the first hoisting tongs and the second hoisting tongs are separated from the pipeline;

the utility model improves the installation quality of the reinforced concrete pipeline, accelerates the installation construction progress, improves the construction safety, and does not cause secondary disturbance to the pipeline;

2. the positioning motor rotates to drive the screw rod to stretch relative to the fixed hollow rod, so that the telescopic hanging beam is driven to stretch and move relative to the fixed hanging beam, the position of the pipeline to be installed is conveniently and accurately adjusted in the longitudinal direction relative to the installed pipeline, and the installation accuracy is improved;

3. when the clamp claws of the second hanging clamp the installed pipeline, the two butterfly nuts rotate towards the inner side, so that the clamp arms drive the clamp claws to fold and clamp the installed pipeline, and after the operation is finished, the butterfly nuts are rotated reversely to loosen the clamp claws.

Drawings

FIG. 1 is a schematic structural view of a hanging tong assembly of the present invention;

fig. 2 is a schematic structural view of a second hanging tong of the present invention;

FIG. 3 is a schematic view of the screw rod and the fixed hollow rod of the present invention;

in the figure: 1. the device comprises a fixed hanging beam, 2, a telescopic hanging beam, 3, a first hanging clamp, 31, a connecting block, 32, a clamp arm, 33, a clamp claw, 4, a second hanging clamp, 5, a screw rod, 6, a fixed hollow rod, 7, a positioning motor, 8, a lifting lug, 9, an adjusting screw rod, 10, a fastening screw rod, 11 and a butterfly nut.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", 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 describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the present embodiment discloses a hanging tong assembly for hoisting and installing a concrete pipeline, which mainly comprises a fixed hanging beam 1, a telescopic hanging beam 2, two first hanging tongs 3, a second hanging tong 4, a screw rod 5, a fixed hollow rod 6 and a positioning motor 7. The length of the fixed hanging beam 1 is 1m, and the length of the telescopic hanging beam 2 is 40 cm. The fixed hanging beam 1 is provided with a sliding cavity from the left end, the right section of the telescopic hanging beam 2 is matched in the fixed hanging beam 1, and the telescopic hanging beam 2 can stretch relative to the fixed hanging beam 1. The top of the outer wall of the fixed hanging beam 1 is provided with two lifting lugs 8 which are distributed left and right, so that equipment such as a crane and the like can suspend the fixed hanging beam 1 through a lifting rope conveniently.

First hanging tong 3 and second hanging tong 4 all include connecting block 31 and two tong arms 32, and two tong arms 32 symmetric distribution and upper end articulate in the bottom of connecting block 31, and the lower extreme of two tong arms 32 all articulates there is claw 33, and the cross symmetry sets up between two claw 33, and the intersection of two claw 33 articulates as an organic whole, and claw 33 is curved tong portion in the lower part of intersection. The arc length of the clamp part is 2/3 of the circumference of the concrete pipeline, and a tooth-shaped rubber sheet is arranged on the inner side surface of the clamp part to increase the friction force with the pipe wall. Wherein, the clamping part of the second hanging tong 4 is in the shape of a segment, and the width of the segment is 10 cm.

Two first hanging tongs 3 are respectively installed in the outer wall bottom left and right sides of fixed hanging beam 1 through connecting block 31 cooperation connecting pin axle, and flexible hanging beam 2 has vertical adjusting screw 9 to the distribution at left end threaded connection, installs the carousel in adjusting screw 9's upper end, the lower extreme rotates the connecting block 31 that is connected with second hanging tong 4, can adjust second hanging tong 4 through rotatory adjusting screw 9 and reciprocate. In the second hanging tong 4, the lower ends of the two tong arms 32 are hinged to the tong claws 33 through pin shafts, the shaft bodies of the two pin shafts are jointly penetrated by a fastening screw 10, the diameter of the fastening screw 10 is smaller than that of a through hole in the shaft body of the pin shaft, the front end and the rear end of the fastening screw 10 are respectively in threaded connection with butterfly nuts 11, and the two butterfly nuts 11 are respectively positioned on the outer sides of the two pin shafts.

The length of the fixed hollow rod 6 is 1m, and the left end and the right end of the fixed hollow rod 6 respectively penetrate through the intersection of the claws 33 of the two first hanging tongs 3, so that the fixed hollow rod 6 serves as a pin shaft at the intersection of the claws 33, and the claws 33 of the two first hanging tongs 3 can be freely opened and closed. The positioning motor 7 is arranged inside the fixed hollow rod 6, an inner threaded hole penetrating through the whole is processed on the axis of an output shaft of the positioning motor 7, the length of the screw rod 5 is 40cm, the screw rod 5 is in threaded connection with the inner threaded hole of the output shaft of the positioning motor 7, when the positioning motor 7 rotates, the screw rod 5 can stretch relative to the fixed hollow rod 6, the left end of the screw rod 5 penetrates through the intersection of the clamp claws 33 of the second hanging clamp 4, and the screw rod 5 serves as a pin shaft of the intersection of the clamp claws 33.

Use will wait to adorn the pipeline butt joint and adorn the pipeline as the example, a concrete working process of tong subassembly for concrete pipe hoist and mount, installation as follows:

the fixed hanging beam 1 is suspended by the hoisting device through the hanging rope connecting lifting lug 8, so that the clamp claws 33 of the two first hanging tongs 3 clamp the outer wall of the pipeline to be installed together, and then the pipeline to be installed is hoisted along with the rising of the fixed hanging beam 1;

moving the pipeline to be installed to the position close to the position of the pipe orifice of the installed pipeline, rotating the adjusting screw 9 through the turntable to adjust the height of the second hanging clamp 4 so that the clamp claws 33 of the second hanging clamp 4 clamp the pipe orifice of the installed pipeline, and rotating towards the inner side through the two butterfly nuts 11 so that the clamp arms 32 drive the clamp claws 33 to fold and clamp the installed pipeline, thereby ensuring the firmness of clamping the installed pipeline by the second hanging clamp 4;

finely adjusting the height of the pipe orifice of the installed pipeline by an adjusting screw rod 9 to align the pipe orifice of the pipeline to be installed, starting a positioning motor 7, and contracting a screw rod 5 relative to a fixed hollow rod 6 so as to move a fixed hanging beam 1 relative to a telescopic hanging beam 2, so as to adjust the longitudinal positions of the installed pipeline and the pipeline to be installed, and enabling the pipe orifice of the pipeline to be installed to be butted with the pipe orifice of the installed pipeline and be installed in place;

after the butt joint of the installed pipeline and the pipeline to be installed is completed, the first hanging tong 3 and the second hanging tong 4 are separated from the pipeline, and therefore the processes of hoisting and installing are completed.

The utility model provides the high reinforced concrete pipeline's installation quality, accelerate the security of installation construction progress, improvement construction, and can not make the secondary disturbance to the pipeline.

Claims

1. A hanging tong assembly for hoisting and mounting a concrete pipeline is characterized by comprising a fixed hanging beam, wherein a telescopic hanging beam is sleeved in one end of the fixed hanging beam and can stretch relative to the fixed hanging beam, and a lifting lug is arranged at the top of the outer wall of the fixed hanging beam;

the bottom of the outer wall of the fixed hanging beam is provided with two first hanging tongs, one end of the telescopic hanging beam far away from the fixed hanging beam is in threaded connection with adjusting screws which are vertically distributed, the upper end of each adjusting screw is provided with a rotary disc, the lower end of each adjusting screw is in rotating connection with a second hanging tong, and the second hanging tongs can be adjusted to move up and down through rotating the adjusting screws.

2. The hanging tong assembly as claimed in claim 1, wherein the first hanging tong and the second hanging tong each comprise a connecting block and two tong arms, the two tong arms are symmetrically distributed and the upper ends of the two tong arms are hinged to the bottom of the connecting block, the lower ends of the two tong arms are hinged with tong claws, the two tong claws are symmetrically arranged in a crossed manner, and the crossed parts of the two tong claws are hinged into a whole;

3. The hanging tong assembly as claimed in claim 2, further comprising a screw rod, a fixed hollow rod and a positioning motor, wherein the left and right ends of the fixed hollow rod respectively penetrate through the jaw intersections of the two first hanging tongs; the positioning motor is installed inside the fixed hollow rod, the screw rod is in threaded connection with the axis position of an output shaft of the positioning motor, and the left end of the screw rod penetrates through the intersection of the clamp claws of the second hanging tong.

4. The hanging tong assembly as claimed in claim 2, wherein in the second hanging tong, the lower ends of the two tong arms are hinged with the tong claws through pin shafts, a fastening screw rod penetrates through the shaft bodies of the two pin shafts together, butterfly nuts are respectively in threaded connection with the front end and the rear end of the fastening screw rod, and the two butterfly nuts are respectively positioned on the outer sides of the two pin shafts.

5. A tong assembly as claimed in any of claims 2 to 4, wherein the arcuate length of the jaw portions of the first and second tongs is 2/3 times the circumference of the concrete pipe, and the inner side faces of the jaw portions are provided with castellated rubber sheets.