CN114873436A - Rabbet pipe hoisting clamp and hoisting method - Google Patents

Abstract

The invention discloses a rabbet pipe hoisting fixture and a hoisting method, wherein the rabbet pipe hoisting fixture comprises two hanger bodies, the tops of the two hanger bodies are connected through an opening-closing shaft, the rabbet pipe protecting structures are arranged on the inner sides of the hanger bodies, the fixture further comprises locking structures arranged between the tops of the two hanger bodies, when the hanger bodies hoist the rabbet pipes, the locking structures lock the hanger bodies and enable the hanger bodies to be in a stable state, when the rabbet pipes are hoisted, the two hanger bodies are firstly opened, then the two hanger bodies are tightly closed towards the middle part and are matched with positioning holes through limiting pins and then locked, at the moment, the closing-up action of the bottoms of the two hanger bodies is completed, the rabbet pipes are safely hoisted to a preset position through hoisting equipment, and the prior technical problem is effectively solved.

Description

Rabbet pipe hoisting clamp and hoisting method

Technical Field

The invention belongs to the field of municipal pipeline installation, and particularly relates to a grooved pipe hoisting fixture and a hoisting method.

Background

Concrete pipe is widely used as one of main materials of drainage engineering, the delivery length of concrete pipe is limited (the general length is 2 meters), but the laying of pipeline in the design is long distance, so the condition that the pipeline length is not enough and the pipeline needs to be hoisted, assembled and prolonged often appears in the construction process. Concrete pipes are heavy and cannot be manually moved and installed in place, and the concrete pipes are usually installed by the following method:

1. regard as the hoist with wire rope, live the concrete pipe along length direction adoption wire rope hoop is placed in the middle, adopts the hasp to pin the tube coupling.

2. And hoisting the other end of the steel wire rope by using a crane, and moving the pipe joint to a position to be installed.

3. The pipeline is hoisted to the proper position by manually matching with a crane.

4. And releasing the lock catch, and pulling the steel wire rope out of the bottom of the pipe by the crane.

The method is the simplest and most convenient, but the efficiency is low, firstly, the steel wire rope needs to be held from the bottom of the pipe manually, the pipe joint is locked by the lock catch, and the pipeline needs to climb to the back of the pipe manually after being installed in place to release the lock catch, so that the efficiency is low and the risk is high; secondly, the crane is easy to drag the pipeline when pulling out the steel wire rope, so that the installed pipeline is laterally displaced and deviated, and the installation is failed; the pipeline is easy to squeeze workers during displacement, and the safety is poor.

Disclosure of Invention

In order to solve the technical problems, the inventor obtains the technical scheme of the invention through practice and summary, and the invention discloses a rabbet pipe lifting clamp which comprises two lifting frame bodies, wherein the two lifting frame bodies are opposite in movement direction, a rabbet pipe protection structure is arranged on the inner side of each lifting frame body, the clamp further comprises a locking structure arranged between the tops of the two lifting frame bodies, and when the lifting frame bodies lift the rabbet pipes, the locking structures lock the lifting frame bodies and enable the lifting frame bodies to be in a stable state.

In the above scheme, the two hanger bodies are connected through the opening-closing shaft, and the locking structure comprises positioning holes formed in the tops of the hanger bodies and limiting pins arranged in the two corresponding positioning holes.

In the scheme, the improvement is that the tongue-and-groove pipe protection structure is a flexible rubber strip.

Make following improvement in above-mentioned scheme, the locking structure includes the mounting bracket, the mid-mounting of mounting bracket has the slider of being connected with the equipment lifting hook that lifts by crane, be located and install the direction gyro wheel on the mounting bracket of slider below, the bottom of slider is rotated and is installed respectively with the guide block that corresponds gallows body fixed mounting, the top of slider is rotated and is installed the step shaft by supreme diameter progressively increase down, the top and the equipment lifting hook that lifts by crane of step shaft are connected, be located on the mounting bracket of slider top offer with the spacing hole of step shaft major diameter adaptation and with spacing hole intercommunication and with the guide way of step shaft minor diameter adaptation.

In the scheme, the improvement is made in that one side of the guide block, which is opposite to the guide roller, is provided with a guide arc surface, and the width between the tops of the two guide arc surfaces is smaller than the width between the bottoms of the two guide arc surfaces.

The locking structure comprises a lifting main body, two first connecting rods which are symmetrically arranged are rotatably arranged on two sides of the bottom of the lifting main body, the two first connecting rods can slide left and right relative to the lifting main body, free ends of the two first connecting rods are jointly rotatably connected with a lifting auxiliary body connected with a lifting hook of lifting equipment, and a second connecting rod which is rotatably arranged corresponding to the lifting frame body is rotatably arranged at a rotating node of the lifting auxiliary body and the first connecting rods.

In the scheme, the improvement is that the top of the hoisting auxiliary body is rotatably provided with a stepped shaft with the diameter gradually increased from bottom to top, the top of the stepped shaft is connected with a hoisting equipment hook, and the hoisting auxiliary body above the hoisting auxiliary body is provided with a limiting hole matched with the major diameter of the stepped shaft and a guide groove communicated with the limiting hole and matched with the minor diameter of the stepped shaft.

In the scheme, the rabbet pipe protection structure is improved as follows, the rabbet pipe protection structure comprises at least one row of nylon rollers arranged at the lower position of the waist part of the hanger body, and the rolling direction of the nylon rollers is parallel to the axis of the rabbet pipe.

A hoisting method of an rabbet pipe hoisting clamp comprises the following hoisting steps:

firstly, hoisting equipment is hoisted above a rabbet pipe through a hoisting hook device, the hoisting hook and the device are lowered, a mounting frame is contacted with the rabbet pipe and can be opened outwards, meanwhile, a sliding block can move downwards relative to the mounting frame until a stepped shaft is turned from a large diameter to a small diameter and is positioned in a limiting hole;

secondly, continuing to move the lower lifting hook and the device until the hanger body descends to a preset position, and then contacting the bottom nylon roller of the mounting rack with the rabbet pipe;

thirdly, the lifting hook is driven to move upwards through the lifting equipment, the sliding block is driven to move upwards relative to the lifting main body, the sliding block drives the hanging bracket bodies to be folded towards the middle part through the guide block, and the closing-in action of the bottoms of the two hanging bracket bodies is completed;

and finally, the lifting equipment drives the rabbet pipe to move left and right through the lifting hook to adjust the installation position of the rabbet pipe and transfers the rabbet pipe to a preset installation position, the lifting hook and the device are transferred to the bottom nylon roller of the installation frame to be in contact with the rabbet pipe, the lifting hook is continuously transferred, the lifting auxiliary body can relatively lift the main body downwards until the stepped shaft is transferred from the large diameter to the small diameter and is positioned in the limiting hole, the two hanging frame bodies can be opened towards two sides, then the lifting hook is moved forwards/backwards to drive the small diameter to enter the guide groove, and the hanging frame bodies are continuously moved until the hanging frame bodies are completely separated from the rabbet pipe.

A hoisting method of an rabbet pipe hoisting clamp comprises the following hoisting steps:

firstly, hoisting equipment is hoisted above a rabbet pipe through a hoisting hook device, a hoisting hook and the device are lowered, a hoisting frame body is contacted with the rabbet pipe and can be opened outwards, meanwhile, a hoisting auxiliary body can move downwards relative to a hoisting main body until a stepped shaft is turned from a large diameter to a small diameter and is positioned in a limiting hole;

secondly, continuing to move the lower lifting hook and the device until the hanger body descends to a preset position, and then contacting a nylon roller at the bottom of the lifting main body with the rabbet pipe;

thirdly, the lifting hook is driven to move upwards through the lifting equipment, then the lifting auxiliary body is driven to move upwards relative to the lifting main body, the lifting auxiliary body drives the first connecting rod and the connecting rod to rotate towards the middle part, and the hanging bracket bodies are folded towards the middle part along with the first connecting rod and the connecting rod to finish the closing-in action of the bottoms of the two hanging bracket bodies;

and finally, the lifting equipment drives the rabbet pipe to move left and right through the lifting hook to adjust the installation position of the rabbet pipe and transfers the rabbet pipe to a preset installation position, the lifting hook and the device are transferred until a nylon roller at the bottom of the lifting main body contacts the rabbet pipe, the lifting hook is continuously transferred, the lifting auxiliary body can relatively lift the lifting main body downwards until the stepped shaft is transferred from the large diameter to the small diameter and is positioned in the limiting hole, the two hanging frame bodies can be opened towards two sides, then the lifting hook is moved forwards/backwards to drive the small diameter to enter the guide groove, and the hanging frame bodies are continuously moved until the hanging frame bodies are completely separated from the rabbet pipe.

Compared with the prior art, the invention can obtain the following technical effects:

1. compared with the prior art, when the rabbet pipe is hoisted, the two hanger bodies are firstly opened, then the two hanger bodies are tightly closed towards the middle part and are locked after being matched with the positioning hole through the limiting pin, the closing-in action of the bottoms of the two hanger bodies is completed, the rabbet pipe is safely hoisted to a preset position through the hoisting equipment, and the prior art problem is effectively solved.

2. Compared with the prior art, the technical scheme of the invention has the advantages that in the process of driving the small diameter and the large diameter of the stepped shaft to penetrate through the limiting hole on the mounting frame through the lifting equipment, the hanger body is driven to move upwards through the sliding block, the rabbet pipe is clamped towards the middle part in the ascending process, then the stepped shaft moves upwards along with the sliding block for a short distance, so that the two hanger bodies are stably kept in a vertical state, the closing-in action of the bottoms of the two hanger bodies is completed, the safety is high, after the preset position is reached, the mounting frame is supported on the rabbet pipe, then the lifting hook of the lifting equipment drives the sliding block to move downwards to enable the sliding block to move downwards, the small diameter of the stepped shaft is positioned in the limiting hole, in the descending process of the sliding block, the left and right stable states of the hanger bodies are released, only a release state exists between the rabbet pipe and the hanger bodies, no clamping state exists, and the lifting hook is moved forwards or backwards, the minor diameter of the stepped shaft enters the guide groove, so that the hanger body and the tongue-and-groove pipe are always in a non-clamping state until the hanger body and the tongue-and-groove pipe are completely separated, the safety is high, the tongue-and-groove pipe cannot be damaged, and the position of the tongue-and-groove pipe cannot deviate.

3. Compared with the prior art, the technical scheme of the invention is that the lifting device lifts the device to the upper part of the rabbet pipe, then the device is placed downwards, when the hanger body contacts the rabbet pipe, the hanger body is opened outwards, and simultaneously the lifting auxiliary body descends relative to the lifting main body, so that the minor diameter of the stepped shaft is positioned in the limiting hole, when the hanger body descends to a preset position (at the moment, the lifting main body contacts the rabbet pipe), the lifting auxiliary body is driven to ascend by the ascending lifting device, so that the connecting rod I and the connecting rod rotate towards the middle part, the closing-in action of the bottoms of the two hanger bodies is completed, so that the device and the rabbet pipe are in a stable state when the top of the lifting auxiliary body is abutted against the lower part of the lifting main body, the major diameter of the stepped shaft is adapted to the inside of the limiting hole in the process, when the lifting device is lifted to the preset position, the lifting device is placed downwards again until the lifting main body is contacted with the rabbet pipe, and then, continuously lowering, wherein the stepped shaft is rotated from the large diameter to the small diameter in the lowering process and is positioned in the limiting hole, the hanging bracket body and the rabbet pipe are only in a contact state, no radial clamping acting force exists between the hanging bracket body and the rabbet pipe, then, a lifting hook of the lifting equipment is moved forwards/backwards, so that the small diameter of the stepped shaft enters the guide groove, the lifting hook is continuously moved until the hanging bracket body and the rabbet pipe are completely separated, the safety is high, the rabbet pipe cannot be damaged, and the position of the rabbet pipe cannot deviate.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

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

FIG. 2 is an overall structural operation diagram of embodiment 1 of the present invention;

FIG. 3 is an overall structural condition diagram of embodiment 2 of the present invention;

FIG. 4 is a schematic view of the overall structure of embodiment 2 of the present invention;

FIG. 5 is an overall structural condition diagram of embodiment 3 of the present invention;

fig. 6 is a schematic view of the overall structure of embodiment 3 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1 and 2, a rabbet pipe lifting fixture comprises a lifting frame body 10, the lifting frame body 10 is provided with two parts, the tops of the two parts are connected through an opening-closing shaft to achieve the effect of opposite movement directions, a rabbet pipe protection structure 20 is installed on the inner side of the lifting frame body 10, the rabbet pipe protection structure 20 is a flexible rubber strip, the fixture further comprises a locking structure installed between the tops of the two lifting frame bodies 10, and when the lifting frame body 10 lifts a rabbet pipe, the locking structure locks the lifting frame body 10 and enables the lifting frame body 10 to be in a stable state. The locking structure comprises a positioning hole 11 arranged at the top of the side of the hanger body 10, and a limit pin 12 arranged in the two corresponding positioning holes 11. When the rabbet pipe is hoisted, the two hanger bodies 10 are firstly opened, then the two hanger bodies 10 are tightly closed towards the middle part and are locked after being matched with the positioning hole 11 through the limiting pin 12, the closing-in action of the bottoms of the two hanger bodies 10 is completed at the moment, the rabbet pipe is safely hoisted to a preset position through hoisting equipment, and the prior art problem is effectively solved.

Example 2

As shown in fig. 3 and 4, unlike the locking structure of embodiment 1, and the two hanger bodies can also achieve the opposite effect of the moving direction by the locking structure, locking structure includes mounting bracket 30, the mid-mounting of mounting bracket 30 has the slider 31 of being connected with the lifting device lifting hook, be located and install guide roller 32 on the mounting bracket 30 of slider 31 below, the bottom of slider 31 is rotated and is installed respectively with the guide block 33 that corresponds lifting device body 10 fixed mounting, install limit structure 38 on the mounting bracket 30, the top of slider 31 is rotated and is installed the step shaft 34 by supreme diameter progressively increase down, the top and the lifting device lifting hook of step shaft 34 are connected, be located on the mounting bracket 30 of slider 31 top offer with the spacing hole 35 of 34 major diameter adaptations of step shaft and with spacing hole 35 intercommunication and with the guide way 36 of 34 minor diameter adaptations of step shaft. The limiting structure 38 is a limiting block, when the guide block 33 moves upwards to the highest station, the limiting structure 38 limits the left position and the right position, and when the guide block 33 moves downwards until the nylon roller 37 contacts with the rabbet pipe, the guide block 33 moves downwards continuously, and then the guide block 33 is opened towards two sides under the action of the guide roller 32.

One side of the guide block 33 opposite to the guide roller 32 is provided with guide arcs, and the width between the tops of the two guide arcs is smaller than that between the bottoms.

The bottom of the mounting rack 30 is provided with a nylon roller 37, and the rolling direction of the nylon roller 37 is parallel to the axis of the tongue-and-groove tube.

A hoisting method of an rabbet pipe hoisting clamp comprises the following hoisting steps:

firstly, hoisting equipment is hoisted above a rabbet pipe through a hoisting hook device, the hoisting hook and the device are lowered, an installation frame 30 is opened outwards when contacting the rabbet pipe, meanwhile, a sliding block 31 moves downwards relative to the installation frame 30 until a stepped shaft 34 is turned from a large diameter to a small diameter and is positioned in a limiting hole 35;

secondly, continuing to move the lower lifting hook and the device until the hanger body 10 descends to a preset position, and then contacting the bottom nylon roller 37 of the mounting rack 30 with the rabbet pipe;

thirdly, the lifting hook is driven to move upwards through the lifting equipment, the sliding block 31 is driven to move upwards relative to the lifting main body 40, the sliding block 31 drives the lifting frame bodies 10 to be folded towards the middle through the guide blocks 33, and the bottom closing action of the two lifting frame bodies 10 is completed;

finally, the lifting equipment drives the rabbet pipe to move left and right through the lifting hook to adjust the installation position of the rabbet pipe and transfers the rabbet pipe to a preset installation position, the lifting hook and the device are transferred until a nylon roller 37 at the bottom of the installation frame 30 contacts the rabbet pipe, the lifting hook is continuously transferred, the lifting auxiliary body 42 moves downwards relative to the lifting main body 40 until the stepped shaft 34 is transferred from a large diameter to a small diameter and is positioned in the limiting hole 35, the two hanging frame bodies 10 are opened towards two sides, then the lifting hook is moved forwards/backwards to drive the small diameter to enter the guide groove 36, and the lifting auxiliary body is continuously moved until the hanging frame bodies 10 are completely separated from the rabbet pipe.

Example 3

As shown in fig. 5 and 6, different from the locking structure in the above embodiment, and the two hanger bodies can also realize the opposite effect of the movement direction through the locking structure, the locking structure includes a lifting main body 40, two first connecting rods 41 symmetrically arranged are rotatably installed at two sides of the bottom of the lifting main body 40, the two first connecting rods 41 can slide left and right relative to the lifting main body 40, the free ends of the two first connecting rods 41 are jointly and rotatably connected with a lifting auxiliary body 42 connected with a lifting hook of the lifting equipment, a second connecting rod 43 rotatably installed at a rotating node of the lifting auxiliary body 42 and the first connecting rod 41 and rotatably installed with the corresponding hanger body 10, a stepped shaft 34 with a diameter gradually increasing from bottom to top is installed at the top of the lifting auxiliary body 42, and the top of the stepped shaft 34 is connected with the lifting hook of the lifting equipment, a limiting hole 35 matched with the large diameter of the stepped shaft 34 and a guide groove 36 communicated with the limiting hole 35 and matched with the small diameter of the stepped shaft 34 are formed in the hoisting auxiliary body 42 above the hoisting auxiliary body 42. The bottom of the hoisting body 41 is provided with a nylon roller 37, and the rolling direction of the nylon roller 37 is parallel to the axis of the tongue-and-groove pipe.

A hoisting method of an rabbet pipe hoisting clamp comprises the following hoisting steps:

firstly, hoisting equipment is hoisted above a rabbet pipe through a hoisting hook device, a hoisting hook and the device are lowered, a hoisting frame body 10 is opened outwards when contacting the rabbet pipe, and meanwhile, a hoisting auxiliary body 42 descends relative to a hoisting main body 40 until a stepped shaft 34 is turned from a large diameter to a small diameter and is positioned in a limiting hole 35;

secondly, continuing to move the lower lifting hook and the device until the hanger body 10 descends to a preset position, and then contacting the bottom nylon roller 37 of the lifting main body 40 with the rabbet pipe;

thirdly, the lifting hook is driven to move upwards through the lifting equipment, the lifting auxiliary body 42 is driven to move upwards relative to the lifting main body 40, the lifting auxiliary body 42 drives the connecting rod I41 and the connecting rod II 43 to rotate towards the middle part, and the hanging frame bodies 10 are folded towards the middle part, so that the closing action of the bottoms of the two hanging frame bodies 10 is completed;

finally, the lifting equipment drives the rabbet pipe to move left and right through the lifting hook to adjust the installation position of the rabbet pipe and transfers the rabbet pipe to a preset installation position, the lifting hook and the device are transferred until a nylon roller 37 at the bottom of the lifting main body 40 contacts the rabbet pipe, the lifting hook is transferred continuously, the lifting auxiliary body 42 moves downwards relative to the lifting main body 40 until the stepped shaft 34 is changed from a large diameter to a small diameter and is positioned in the limiting hole 35, the two lifting frame bodies 10 are opened towards two sides, then the lifting hook is moved forwards/backwards to drive the small diameter to enter the guide groove 36, and the lifting auxiliary body is moved continuously until the lifting frame bodies 10 are completely separated from the rabbet pipe.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a tongue-and-groove pipe hoisting clamp which characterized in that, includes the gallows body, and the gallows body is provided with two and the two opposite direction of motion, and tongue-and-groove pipe protection architecture is installed to the inboard of gallows body, and this anchor clamps still includes the locking structure of installing between two gallows body tops, and locking structure locks the gallows body and is in stable condition when the gallows body hoists tongue-and-groove pipe.

2. The tongue-and-groove pipe lifting clamp as claimed in claim 1, wherein two lifting frame bodies are provided, the tops of the two lifting frame bodies are connected through an opening-closing shaft, and the locking structure comprises positioning holes formed in the tops of the lifting frame bodies and limiting pins installed in the two corresponding positioning holes.

3. The tongue-and-groove pipe lifting clamp according to claim 1, wherein the locking structure comprises a mounting frame, a sliding block connected with a lifting hook of a lifting device is mounted in the middle of the mounting frame, guide rollers are mounted on the mounting frame below the sliding block, guide blocks fixedly mounted with corresponding lifting frame bodies are rotatably mounted at the bottoms of the sliding blocks respectively, stepped shafts with diameters gradually increased from bottom to top are rotatably mounted at the tops of the sliding blocks, the tops of the stepped shafts are connected with the lifting hook of the lifting device, and a limiting hole matched with the large diameter of the stepped shafts and a guide groove communicated with the limiting hole and matched with the small diameter of the stepped shafts are formed in the mounting frame above the sliding block.

4. The tongue-and-groove pipe lifting clamp as claimed in claim 3, wherein a guide arc surface is arranged on one side of the guide block opposite to the guide roller, and the width between the tops of the two guide arc surfaces is smaller than the width between the bottoms of the two guide arc surfaces.

5. The tongue-and-groove pipe lifting clamp as claimed in claim 4, wherein a nylon roller is arranged at the bottom of the mounting rack, and the rolling direction of the nylon roller is parallel to the axis of the tongue-and-groove pipe.

6. The tongue-and-groove pipe lifting clamp according to claim 1, wherein the locking structure comprises a lifting main body, two first connecting rods which are symmetrically arranged are rotatably mounted on two sides of the bottom of the lifting main body, the two first connecting rods can slide left and right relative to the lifting main body, free ends of the two first connecting rods are jointly and rotatably connected with a lifting auxiliary body connected with a lifting equipment hook, a second connecting rod which is rotatably mounted with the corresponding lifting frame body is rotatably mounted at a rotating joint of the lifting auxiliary body and the first connecting rods, a stepped shaft with the diameter gradually increasing from bottom to top is rotatably mounted at the top of the lifting auxiliary body, the top of the stepped shaft is connected with the lifting equipment hook, and a limiting hole matched with the large diameter of the stepped shaft and a guide groove communicated with the limiting hole and matched with the small diameter of the stepped shaft are formed in the lifting auxiliary body above the lifting auxiliary body.

7. The tongue-and-groove pipe lifting clamp according to claim 6, wherein a nylon roller is arranged at the bottom of the lifting body, and the rolling direction of the nylon roller is parallel to the axis of the tongue-and-groove pipe.

8. The grooved pipe hoisting fixture according to claim 1, wherein the grooved pipe protection structure is a flexible rubber strip.

9. A hoisting method of the rabbet pipe hoisting clamp is characterized by comprising the following hoisting steps:

firstly, hoisting equipment is hoisted above a rabbet pipe through a hoisting hook device, the hoisting hook and the device are lowered, a mounting frame is contacted with the rabbet pipe and can be opened outwards, meanwhile, a sliding block can move downwards relative to the mounting frame until a stepped shaft is turned from a large diameter to a small diameter and is positioned in a limiting hole;

secondly, continuing to move the lower lifting hook and the device until the hanger body descends to a preset position, and then contacting the bottom nylon roller of the mounting rack with the rabbet pipe;

thirdly, the lifting hook is driven to move upwards through the lifting equipment, the sliding block is driven to move upwards relative to the lifting main body, the sliding block drives the lifting frame bodies to be folded towards the middle through the guide block, and the closing-in action of the bottoms of the two lifting frame bodies is completed;

and finally, the lifting equipment drives the rabbet pipe to move left and right through the lifting hook to adjust the installation position of the rabbet pipe and transfers the rabbet pipe to a preset installation position, the lifting hook and the device are transferred to the bottom nylon roller of the installation frame to be in contact with the rabbet pipe, the lifting hook is continuously transferred, the lifting auxiliary body can relatively lift the main body downwards until the stepped shaft is transferred from the large diameter to the small diameter and is positioned in the limiting hole, the two hanging frame bodies can be opened towards two sides, then the lifting hook is moved forwards/backwards to drive the small diameter to enter the guide groove, and the hanging frame bodies are continuously moved until the hanging frame bodies are completely separated from the rabbet pipe.

10. A hoisting method of an rabbet pipe hoisting clamp is characterized by comprising the following hoisting steps:

firstly, hoisting equipment is hoisted above a rabbet pipe through a hoisting hook device, a hoisting hook and the device are lowered, a hoisting frame body is contacted with the rabbet pipe and can be opened outwards, meanwhile, a hoisting auxiliary body can move downwards relative to a hoisting main body until a stepped shaft is turned from a large diameter to a small diameter and is positioned in a limiting hole;

secondly, continuing to move the lower lifting hook and the device until the hanger body descends to a preset position, and then contacting a nylon roller at the bottom of the lifting main body with the rabbet pipe;

thirdly, the lifting hook is driven to move upwards through the lifting equipment, then the lifting auxiliary body is driven to move upwards relative to the lifting main body, the lifting auxiliary body drives the first connecting rod and the connecting rod to rotate towards the middle part, and the hanging bracket bodies are folded towards the middle part along with the first connecting rod and the connecting rod to finish the closing-in action of the bottoms of the two hanging bracket bodies;

and finally, the lifting equipment drives the rabbet pipe to move left and right through the lifting hook to adjust the installation position of the rabbet pipe and transfers the rabbet pipe to a preset installation position, the lifting hook and the device are transferred until a nylon roller at the bottom of the lifting main body contacts the rabbet pipe, the lifting hook is continuously transferred, the lifting auxiliary body can relatively lift the lifting main body downwards until the stepped shaft is transferred from the large diameter to the small diameter and is positioned in the limiting hole, the two hanging frame bodies can be opened towards two sides, then the lifting hook is moved forwards/backwards to drive the small diameter to enter the guide groove, and the hanging frame bodies are continuously moved until the hanging frame bodies are completely separated from the rabbet pipe.

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