CN213265388U

CN213265388U - Hoisting tool for large-diameter concrete prefabricated pipe

Info

Publication number: CN213265388U
Application number: CN202021151937.6U
Authority: CN
Inventors: 谷金宇; 李永峰; 李科; 程涛; 王立伟
Original assignee: Road and Bridge International Co Ltd; China Communication South Road and Bridge Co Ltd
Current assignee: Road and Bridge International Co Ltd; China Communication South Road and Bridge Co Ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-05-25
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a large-diameter precast concrete pipe hoisting tool in the technical field of precast concrete pipe hoisting, which comprises a top plate, both sides of the top plate are fixedly connected with lifting lugs, the bottom of the top plate is fixedly connected with a regulating plate, the middle part of the regulating plate is fixedly connected with a fixed block, the middle part of the fixed block is transversely penetrated with a lead screw, both ends of the lead screw are rotatably connected with the inner wall of the regulating plate through bearings, the right end of the lead screw penetrates through the regulating plate and is connected with a power rotating shaft of a motor, the motor is arranged on the regulating plate, both outer walls of both sides of the lead screw are respectively screwed with a supporting block, and the outer walls of both sides of the lead screw are respectively and fixedly connected with threads with opposite rotating directions, the problem of longer through wire rope binding time at present, lead to hoist and mount efficiency not high is solved.

Description

Hoisting tool for large-diameter concrete prefabricated pipe

Technical Field

The utility model relates to a precast concrete pipe hoist and mount technical field specifically is a prefabricated pipe lifting device of major diameter concrete.

Background

The concrete pipe is a pipe manufactured by using concrete or reinforced concrete in batches, and when the large-diameter concrete prefabricated pipe is hoisted at present, the large-diameter concrete prefabricated pipe is generally bound by a steel wire rope, but the large-diameter concrete prefabricated pipe needs to be bound for a long time, the efficiency is not high, and after the large-diameter concrete prefabricated pipe is hoisted, the large-diameter concrete prefabricated pipe is easy to shake in the air due to the gravity and the inertia effect to cause safety accidents.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated pipe lifting device of major diameter concrete to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hoisting tool for a large-diameter concrete prefabricated pipe comprises a top plate, lifting lugs are fixedly connected to two sides of the top plate, an adjusting plate is fixedly connected to the bottom of the top plate, a fixed block is fixedly connected to the middle of the inner portion of the adjusting plate, a lead screw transversely penetrates through the middle of the fixed block, two ends of the lead screw are rotatably connected with the inner wall of the adjusting plate through bearings, the right end of the lead screw penetrates through the adjusting plate and is connected with a power rotating shaft of a motor, the motor is arranged on the adjusting plate, supporting blocks are screwed on the outer walls of two sides of the lead screw, threads with opposite rotating directions are respectively fixedly connected to the outer walls of two sides of the lead screw, lifting rings are fixedly connected to the bottoms of the supporting blocks, the adjusting plate penetrates through the bottoms of the lifting rings, steel wire ropes are connected to the bottoms of the lifting rings, the, the top of two sets of limiting plates all is connected with prevents shaking the device, the equal fixedly connected with baffle in bottom both sides of roof.

Preferably, the limiting plate includes the plate body of being connected with the threaded rod, the slot has evenly been seted up on the lateral wall of plate body, evenly seted up the screw on the outer wall of plate body, and the screw runs through the slot.

Preferably, the anti-shaking device comprises an inserting rod, the bottom end of the inserting rod is inserted into the top of the slot, the right end of the inserting rod is connected to the outer wall of the fixed cylinder, the fixed cylinder is of a hollow structure, the bottom of the fixed cylinder is fixedly connected with an installation block, the top of the installation block is fixedly connected with an electric push rod, the electric push rod is located inside the fixed cylinder, the top end of the electric push rod is connected with a connection block, the right end of the connection block and the right bottom end of the fixed cylinder are both hinged with connection rods, and the right ends of the connection rods are both hinged to the outer wall of the support plate.

Preferably, the plate body is fixedly connected with a locking bolt, and the locking bolt penetrates through the bottom end of the inserted bar and is connected with the screw hole.

Preferably, the ends of the two groups of abutting plates, which are far away from each other, are respectively bonded with a wear pad, the ends of the two groups of wear pads, which are close to each other, are respectively and fixedly connected with a clamping block, and the abutting plates are provided with clamping grooves matched with the clamping blocks.

Preferably, through grooves are transversely formed in both sides of the bottom of the adjusting plate and are matched with the hanging rings.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by arranging the threaded rod, when the large-diameter concrete prefabricated pipe is manufactured, two symmetrically arranged mounting holes are reserved on two sides, and the large-diameter concrete prefabricated pipe is lifted by matching the threaded rod with the mounting holes, so that the problem that the lifting efficiency is low due to long binding time of a steel wire rope is solved;

2. the motor works to drive the screw rod to rotate, so that the two groups of supporting blocks move towards the directions close to or away from each other, and further drive the two groups of lifting rings to move, and the precast concrete pipes with different diameters can be hoisted by changing the distance between the lifting rings;

3. after the prefabricated pipe of major diameter concrete is fixed at the threaded rod, insert the inserted bar in the slot at limiting plate top, through the fixed back of locking bolt, make electric putter drive connecting block downstream for contained angle between two sets of connecting rods diminishes, and then drives and supports the board and remove to the direction that is close to the baffle, and it is fixed to support board compression baffle formation at last, thereby has avoided the prefabricated pipe of major diameter concrete to rock easily in the air because gravity and inertial action produce, leads to causing the incident.

Drawings

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

FIG. 2 is a schematic diagram of the structure of the position limiting plate of the present invention;

fig. 3 is a schematic structural view of the anti-shaking device of the present invention.

In the figure: 1. a top plate; 2. lifting lugs; 3. an adjusting plate; 4. a fixed block; 5. a screw rod; 6. a motor; 7. a support block; 8. a hoisting ring; 9. a wire rope; 10. a threaded rod; 11. a limiting plate; 111. a plate body; 112. a slot; 113. a screw hole; 12. an anti-sloshing device; 121. inserting a rod; 122. a fixed cylinder; 123. mounting blocks; 124. an electric push rod; 125. connecting blocks; 126. a connecting rod; 127. a resisting plate; 13. and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a large-diameter concrete prefabricated pipe hoisting tool, please refer to fig. 1, which comprises a top plate 1, wherein both sides of the top plate 1 are fixedly connected with lifting lugs 2 for connecting with a lifting hook of a crane, the bottom of the top plate 1 is fixedly connected with an adjusting plate 3, the inner middle position of the adjusting plate 3 is fixedly connected with a fixed block 4, the middle part of the fixed block 4 is transversely penetrated with a screw rod 5, both ends of the screw rod 5 are rotatably connected with the inner wall of the adjusting plate 3 through bearings, the right end of the screw rod 5 penetrates through the adjusting plate 3 to be connected with a power rotating shaft of a motor 6, the motor 6 is arranged on the adjusting plate 3, the motor 6 is a servo motor, the motor 6 is connected with the power rotating shaft through a speed reducer, the rotating number of turns of the servo motor can be controlled through a PLC controller, the motor 6 is controlled through an external power switch, the outer walls of two sides of the screw rod 5 are respectively and fixedly connected with threads with opposite turning directions, so that when the screw rod 5 rotates, two groups of supporting blocks 7 can move towards the directions away from or close to each other, the bottom of each supporting block 7 is fixedly connected with a lifting ring 8, the bottom of each lifting ring 8 penetrates through the adjusting plate 3, the distance between the two groups of lifting rings 8 can be changed by moving the two groups of supporting blocks 7, the bottom of each lifting ring 8 is connected with a steel wire rope 9, the steel wire rope 9 is tied on the outer wall of a threaded rod 10, when a large-diameter concrete prefabricated pipe is manufactured, two symmetrically arranged mounting holes are reserved on two sides, and the prefabricated pipe is lifted by matching the threaded rod 10 with the mounting holes, so that the problem that the conventional hoisting efficiency is;

referring to fig. 1, two sets of threaded rods 10 are separated from each other by equal fixedly connected with limiting plates 11 at one ends, the limiting plates 11 can prevent the steel wire rope 9 from falling off, the tops of the two sets of limiting plates 11 are connected with anti-shaking devices 12, and the baffles 13 at two sides of the bottom of the top plate 1 are matched with the anti-shaking devices 12 and the baffles 13, so that the large-diameter concrete prefabricated pipe cannot shake after being lifted, and the lifting safety is higher.

Referring to fig. 2 and 3, the limiting plate 11 includes a plate body 111 connected to the threaded rod 10, slots 112 are uniformly formed in the side wall of the plate body 111, screw holes 113 are uniformly formed in the outer wall of the plate body 111, the screw holes 113 penetrate through the slots 112, the slots 112 are used for matching with the insertion rod 121, and the screw holes 113 are used for fixing the insertion rod 121 and the plate body 111 together;

referring to fig. 2 and 3, the anti-shaking device 12 includes an insertion rod 121, the bottom end of the insertion rod 121 is inserted into the top slot 112, when the limiting plate 11 is rotated to fix the large-diameter precast concrete pipe to the threaded rod 10, the insertion rod 121 is inserted into the slot 112 at the top of the limiting plate 11, the insertion rod 121 and the limiting plate 11 are fixed together by a locking bolt, the right end of the insertion rod 121 is connected to the outer wall of the fixed cylinder 122, the fixed cylinder 122 is hollow, the bottom of the fixed cylinder 122 is fixedly connected with an installation block 123, the top of the installation block 123 is fixedly connected with an electric push rod 124, the electric push rod 124 is located inside the fixed cylinder 122, the top end of the electric push rod 124 is connected with a connection block 125, the electric push rod 124 is connected with an external power supply through an external power supply wire, and the electric push rod 124 is controlled by an external power supply switch, the right end of the connection block 125, the right ends of the two groups of connecting rods 126 are hinged to the outer wall of the abutting plate 127, the electric push rod 124 drives the connecting block 125 to move downwards, so that the angle between the two groups of connecting rods 126 is reduced, the abutting plate 127 can be driven to expand outwards, the abutting plate 127 presses the baffle 13 to be fixed, and safety accidents caused by the fact that the large-diameter concrete prefabricated pipe is prone to shaking in the air due to the gravity and inertia are avoided;

referring to fig. 3, a locking bolt is fixedly connected to the plate 111, the locking bolt penetrates through the bottom end of the insertion rod 121 to be connected to the screw hole 113, and the insertion rod 121 is fixed to the plate 111 by the locking bolt, so that the fixing cylinder 122 can be fixed;

referring to fig. 3, the ends of the two sets of abutting plates 127 away from each other are both bonded with wear pads made of rubber, which can increase the friction between the abutting plates 127 and the baffle 13, so that the stability after lifting is higher, the ends of the two sets of wear pads close to each other are both fixedly connected with clamping blocks, and the abutting plates 127 are provided with clamping grooves matched with the clamping blocks, so as to facilitate assembly and disassembly;

referring to fig. 1, through grooves are transversely formed in both sides of the bottom of the adjusting plate 3, the through grooves are matched with the hanging rings 8, and the through grooves are used when the hanging rings 8 move.

The working principle is as follows: when the device is used, firstly, the distance between the hanging rings 8 is adjusted according to the diameter of the large-diameter concrete prefabricated pipe, specifically, the motor 6 works, the screw rod 5 rotates, so that the two groups of supporting blocks 7 move towards the directions of being far away from or close to each other, the distance between the two groups of hanging rings 8 can be changed, then, the limiting plate 11 is rotated, the threaded rod 10 rotates and can be matched with the mounting hole on the large-diameter concrete prefabricated pipe, so that the large-diameter concrete prefabricated pipe is fixed, then, the inserting rod 121 is inserted into the slot 112 at the top of the limiting plate 11, the inserting rod 121 is fixed on the limiting plate 11 through the locking bolt, finally, the connecting block 125 is driven by the electric push rod 124 to move downwards, so that the angle between the two groups of connecting rods 126 is reduced, the abutting plate 127 can be driven to expand outwards, the abutting plate 127 is pressed against the baffle 13 to form fixation, and the large-diameter concrete prefabricated pipe is, leading to causing the incident, fixed good back, colludes lug 2 through the lifting hook on the loop wheel machine, can realize the hoist and mount of major diameter concrete prefabricated pipe.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prefabricated pipe lifting device of major diameter concrete, includes roof (1), its characterized in that: the lifting lugs (2) are fixedly connected to the two sides of the top plate (1), the adjusting plate (3) is fixedly connected to the bottom of the top plate (1), the fixing block (4) is fixedly connected to the middle of the inner portion of the adjusting plate (3), the lead screw (5) transversely penetrates through the middle of the fixing block (4), the two ends of the lead screw (5) are rotatably connected with the inner wall of the adjusting plate (3) through bearings, the right end of the lead screw (5) penetrates through the adjusting plate (3) to be connected with a power rotating shaft of the motor (6), the motor (6) is arranged on the adjusting plate (3), the outer walls of the two sides of the lead screw (5) are respectively screwed with supporting blocks (7), threads with opposite rotating directions are fixedly connected to the outer walls of the two sides of the lead screw (5), lifting rings (8) are fixedly connected to the bottoms of the supporting blocks (7), and the, the steel wire rope (9) is connected to the bottom of the hanging ring (8), the steel wire rope (9) is tied to the outer wall of the threaded rod (10), two groups of threaded rods (10) are fixedly connected with limiting plates (11) at the ends far away from each other, the tops of the two groups of limiting plates (11) are connected with anti-shaking devices (12), and baffle plates (13) are fixedly connected to the two sides of the bottom of the top plate (1).

2. The hoisting tool for the large-diameter concrete prefabricated pipe as claimed in claim 1, wherein: limiting plate (11) include plate body (111) be connected with threaded rod (10), slot (112) have evenly been seted up on the lateral wall of plate body (111), screw (113) have evenly been seted up on the outer wall of plate body (111), and screw (113) run through slot (112).

3. The hoisting tool for the large-diameter concrete prefabricated pipe as claimed in claim 2, wherein: the shaking prevention device (12) comprises an inserting rod (121), the bottom end of the inserting rod (121) is inserted into the top of the inserting groove (112), the right end of the inserting rod (121) is connected to the outer wall of the fixed cylinder (122), the fixed cylinder (122) is of a hollow structure, the bottom of the fixed cylinder (122) is fixedly connected with an installation block (123), the top of the installation block (123) is fixedly connected with an electric push rod (124), the electric push rod (124) is located inside the fixed cylinder (122), the top end of the electric push rod (124) is connected with a connection block (125), the right end of the connection block (125) and the right bottom end of the fixed cylinder (122) are hinged with connection rods (126), and the right ends of the connection rods (126) are hinged to the outer wall of the supporting plate (127).

4. The hoisting tool for the large-diameter concrete prefabricated pipe as claimed in claim 3, wherein: and the plate body (111) is fixedly connected with a locking bolt, and the locking bolt penetrates through the bottom end of the inserted rod (121) to be connected with the screw hole (113).

5. The hoisting tool for the large-diameter concrete prefabricated pipe as claimed in claim 3, wherein: the wear-resistant pads are bonded at the ends, far away from each other, of the two groups of abutting plates (127), the clamping blocks are fixedly connected at the ends, close to each other, of the two groups of wear-resistant pads, and clamping grooves matched with the clamping blocks are formed in the abutting plates (127).

6. The hoisting tool for the large-diameter concrete prefabricated pipe as claimed in claim 1, wherein: and through grooves are transversely formed in two sides of the bottom of the adjusting plate (3) and are matched with the hanging rings (8).