CN219314340U

CN219314340U - Pipe shipment hoist

Info

Publication number: CN219314340U
Application number: CN202320151699.6U
Authority: CN
Inventors: 蔡洪才; 盛松; 钱明
Original assignee: Zhangjiagang Huada Wharf Co ltd
Current assignee: Zhangjiagang Huada Wharf Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-07-07
Anticipated expiration: 2033-02-01

Abstract

The application relates to a pipe shipping lifting appliance, and relates to the technical field of lifting appliances, which comprises a lifting frame, wherein a lifting rope for hooking a lifting hook of a crane is arranged on the lifting frame; the hoisting frame is sequentially provided with two sliding seats along the length direction of the hoisting frame, and the two sliding seats are in sliding connection with the hoisting frame along the length direction of the hoisting frame; each sliding seat is provided with a bearing block extending towards the direction of the other sliding seat, and the bearing blocks are used for being abutted with the inner side wall of the pipe; the hoisting frame is provided with a driving component for driving the two sliding seats to approach or separate from each other. The driving assembly is matched with the two sliding seats, the bearing block is in rigid connection with the hoisting frame, and operators can withdraw before the pipe is hoisted, so that the possibility that the operators are injured after the pipe is hoisted is reduced, and the safety of pipe hoisting operation is improved.

Description

Pipe shipment hoist

Technical Field

The application relates to the technical field of lifting appliances, in particular to a pipe shipping lifting appliance.

Background

The pipe is a structural member with hollow inside and two penetrating ends; when in hoisting, a special lifting appliance is generally adopted for hoisting so as to reduce the risk of damaging the pipe structure.

The related art discloses a pipe shipment hoist, it includes the hoist cable, and the hoist cable both ends are all tied and are had the couple. When in use, the middle part of the sling is hooked on the lifting hook of the crane; then one of the hooks is hooked on the inner wall of one end of the pipe, and the other hook is hooked on the inner wall of the other end of the pipe; finally, the crane is controlled, and the lifting hook lifts and transports the pipe into the cabin.

In the implementation process of the related technology, after an operator hooks the hook on the inner wall of the pipe, the operator needs to hold the hook by hand until the sling is tightened to enable the hook to be tightly abutted against the inner wall of the pipe, and then the hook can be loosened, so that the possibility of falling off of the hook is reduced; however, when the sling is tightened, the pipe is in a suspended state, if an operator does not withdraw in time, the condition that the pipe is collided with the operator is easy to occur, and the operation safety is poor, so the improvement is needed.

Disclosure of Invention

The utility model aims at providing a tubular product shipment hoist to in time withdraw the operating personnel, thereby improve the security of hoist and mount tubular product operation.

The application provides a tubular product shipment hoist adopts following technical scheme:

the pipe shipment lifting appliance comprises a lifting frame, wherein the lifting frame is provided with a sling for hooking a lifting hook of a crane; the hoisting frame is sequentially provided with two sliding seats along the length direction of the hoisting frame, and the two sliding seats are in sliding connection with the hoisting frame along the length direction of the hoisting frame; each sliding seat is provided with a bearing block extending towards the direction of the other sliding seat, and the bearing blocks are used for being abutted with the inner side wall of the pipe; the hoisting frame is provided with a driving component for driving the two sliding seats to approach or separate from each other.

By adopting the technical scheme, when the pipe is hoisted, the sling is hooked on the lifting hook of the crane; then controlling the crane to move the hoisting frame to the upper part of the corresponding pipe, and enabling the pipe to be relatively positioned between the two sliding seats; then, the driving assembly enables the two sliding seats to be close to each other, and the bearing block can be inserted into the pipe; finally, the crane lifts the lifting hook, the lifting frame moves upwards, and the bearing block automatically abuts against the inner side wall of the pipe so as to lift the pipe, so that the pipe can be lifted into the cabin; the driving assembly drives the two sliding seats to be far away from each other, and then the lifting frame is lifted, so that the bearing block and the pipe can be separated. The driving assembly is matched with the two sliding seats, and the bearing blocks are rigidly connected with the hoisting frame, so that the distance between the two bearing blocks is kept fixed; after the two bearing blocks are inserted into the pipe, an operator can loosen the lifting frame or the sliding seat and withdraw in time, so that the possibility that the operator is injured by collision after the pipe is lifted is reduced, and the safety of pipe lifting operation is improved.

Optionally, the two sliding seats are provided with pressure sensing pieces for abutting against the end wall of the pipe; the two pressure sensing pieces are electrically connected with a controller together, and the driving assembly is electrically connected with the controller.

By adopting the technical scheme, after the pipe is relatively positioned between the two sliding seats, the controller can control the driving assembly to operate so as to enable the two sliding seats to be close to each other until the two pressure sensing pieces are abutted against the end wall of the pipe; at this time, the pressure sensing piece inputs corresponding electric signals to the controller, namely indicates that both the two bearing blocks are inserted into the pipe, and at this time, the controller can enable the driving assembly to stop running automatically. The pressure sensing piece and the controller are mutually matched, so that the position of the receiving block relative to the pipe can be automatically judged, and operators can withdraw before the receiving block is inserted into the pipe, thereby being beneficial to the operators to withdraw further and rapidly, and further improving the operation safety.

Optionally, the side walls of the sliding seat facing each other are provided with mounting grooves, and the inner side walls of the mounting grooves are slidably connected with contact blocks for abutting against the end walls of the pipes; the pressure sensing piece is located at the bottom wall of the mounting groove, and the contact block can be abutted with the pressure sensing piece.

By adopting the technical scheme, the end wall of the pipe can be abutted with the pressure sensing piece through the contact block, so that on one hand, the end wall of the pipe with different thickness can be abutted with the pressure sensing piece conveniently, and the applicability of the pipe with different thickness can be improved; on the other hand, the requirement on the distance precision between the bearing block and the inner wall of the pipe along the up-down direction is reduced, so that the convenience of pipe hoisting operation is improved.

Optionally, a limiting groove is formed in the inner side wall of the mounting groove along the depth direction of the mounting groove, a limiting block is arranged on the contact block, and the limiting block is positioned in the limiting groove; the inside wall of spacing groove is provided with the butt piece that is used for deviating from the lateral wall butt of the diapire of mounting groove with the stopper.

Through adopting above-mentioned technical scheme, the movable range of stopper can be restricted to the butt piece to reduce the risk that contact block takes place to break away from with the mounting groove, be favorable to improving contact block and mounting groove complex stability that slides, thereby improve contact block and pressure sensing piece contact's stability.

Optionally, the hoisting frame is provided with a sliding groove penetrating along the up-down direction, and the sliding seat is positioned in the sliding groove; the sliding seat is connected with the inner side wall of the sliding groove in a sliding manner along the length direction of the lifting frame; the sliding seat is provided with a supporting block which is abutted with the upper surface of the hoisting frame.

Through adopting above-mentioned technical scheme, supporting shoe and hoist and mount frame's upper surface butt to support the sliding seat, thereby be favorable to reducing the size of the effort of sliding seat to drive assembly, be favorable to guaranteeing drive assembly steady operation.

Optionally, a guide assembly is arranged between the supporting block and the hoisting frame, and the guide assembly comprises a guide sliding rail connected with the hoisting frame and a guide sliding seat connected with the supporting block; the guide sliding seat is connected with the guide sliding rail in a sliding way.

Through adopting above-mentioned technical scheme, the cooperation of sliding of direction slide and direction slide rail is favorable to reducing the frictional force between supporting shoe and the hoist and mount frame to the slip of slide bracket of being convenient for.

Optionally, the driving assembly comprises a first driving screw rod in threaded connection with one sliding seat, a second driving screw rod in threaded connection with the other sliding seat, and a driving motor connected with the hoisting frame; the first driving screw rod and the second driving screw rod are both in rotary connection with the hoisting frame, and are mutually and coaxially connected; the threads of the first driving screw and the second driving screw are opposite in rotation direction; and an output shaft of the driving motor is connected with the first driving screw or the second driving screw.

Through adopting above-mentioned technical scheme, driving motor can make first drive screw and second drive screw synchronous rotation to make two sliding seat synchronous be close to each other or keep away from each other, thereby be favorable to making the tubular product that is lifted be located the intermediate position of hoist frame, so that make hoist frame be the horizontality, thereby be convenient for transport hoist frame and tubular product.

Optionally, the lower surface of the accepting piece is provided with the guide surface that is used for with the outer perisporium butt of tubular product, the one end that the guide surface kept away from the sliding seat upwards inclines and links to each other with the end wall of the corresponding one end of accepting piece.

Through adopting above-mentioned technical scheme, the in-process of placing the hoist and mount frame downwards, when the perisporium butt of guide surface and the tip position of tubular product, the joint piece can drive the hoist and mount frame and move to the end wall direction of the corresponding one end of tubular product voluntarily to the end wall department of tubular product is gone up in the confession, thereby is favorable to reducing the joint piece and the perisporium butt of tubular product and leads to the hoist and mount frame to be difficult to continue the possibility of moving downwards.

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

1. the driving component is matched with the two sliding seats, and the bearing block is rigidly connected with the hoisting frame; after the two bearing blocks are inserted into the pipe, an operator can loosen the lifting frame or the sliding seat and withdraw the pipe in time, so that the possibility of injuring the operator after the pipe is lifted is reduced, and the safety of pipe lifting operation is improved;

2. the contact block, the pressure sensing piece and the controller are mutually matched, so that the position of the receiving block relative to the pipe can be automatically judged, and an operator can withdraw before the receiving block is inserted into the pipe, thereby being beneficial to further and rapid withdrawal of the operator and further improving the operation safety;

3. the guide sliding seat is matched with the guide sliding rail in a sliding way, so that friction force between the supporting block and the hoisting frame is reduced, and the sliding seat is convenient to slide.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a pipe shipment spreader according to an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic view with the lifting frame removed for showing the structure of the drive assembly.

Fig. 4 is a schematic cross-sectional view taken along line B-B in fig. 3 with the second drive screw removed.

In the figure, 1, a hoisting frame; 11. a hanging ring; 111. a sling; 12. a sliding groove; 121. a connecting plate; 13. a drive assembly; 131. a first drive screw; 132. a second drive screw; 133. a driving motor; 2. a sliding seat; 21. a support block; 22. a receiving block; 221. a guide surface; 23. a connecting screw hole; 24. a mounting groove; 241. a pressure sensing member; 242. a contact block; 2421. a limiting block; 243. a limit groove; 2431. an abutment block; 3. a guide assembly; 31. a guide rail; 32. and guiding the sliding seat.

Detailed Description

The present application is described in further detail below with reference to fig. 1-4.

The pipe shipment hoist, refer to figure 1, including hoist frame 1, the upper surface at hoist frame 1 both ends welded fastening has two rings 11. Two rings 11 that are located the every end of hoist and mount frame 1 all set up along hoist and mount frame 1's width direction interval in proper order, and two rings 11 that correspond are connected with hoist cable 111 jointly, and hoist cable 111 includes wire rope. The sling 111 is connected to the suspension ring 11 by a wire rope buckle. Slings 111 at both ends of the lifting frame 1 are commonly used to hook onto hooks of a crane for the crane to lift the lifting frame 1.

Referring to fig. 1, the hanger 1 is provided with a sliding groove 12 along its longitudinal direction, and the sliding groove 12 is provided to penetrate in the vertical direction. Two sliding seats 2 are arranged in the sliding groove 12; the two sliding seats 2 are sequentially arranged along the length direction of the sliding groove 12, and each sliding seat 2 is connected with the inner side wall of the sliding groove 12 in a sliding manner along the length direction of the lifting frame 1. The upper end of the sliding seat 2 protrudes out of the upper surface of the lifting frame 1, and supporting blocks 21 are welded and fixed on the side walls of the two sides of the upper end of the sliding seat 2 along the width direction of the sliding groove 12, and the supporting blocks 21 are located above the upper surface of the lifting frame 1.

Referring to fig. 1 and 2, a guide assembly 3 is provided between the support block 21 and the hoist frame 1, and the guide assembly 3 includes a guide slide rail 31 and a guide slider 32. The length direction of the guide sliding rail 31 is along the length direction of the hoisting frame 1, and the guide sliding rail 31 is fixedly connected with the upper surface of the hoisting frame 1 through a screw; the guide slide 32 is fixedly connected with the lower surface of the support block 21 by bolts. The guide slide 32 is slidingly connected with the guide slide rail 31 so that the slide holder 2 slides relative to the hoisting frame 1. In another embodiment, the lower surface of the supporting block 21 may also be directly attached to the upper surface of the lifting frame 1.

Referring to fig. 1 and 2, receiving blocks 22 are welded and fixed to the side walls of the lower ends of the two sliding seats 2 facing each other. The lower surfaces of the two bearing blocks 22 are provided with guide surfaces 221, and one end of each guide surface 221, which is far away from the sliding seat 2, is inclined upwards and is connected with the end wall of each bearing block 22; in the process of moving down the lifting frame 1, the guide surface 221 can be abutted against the peripheral wall of the end part of the pipe, so that the lifting frame 1 can automatically move along the length direction of the pipe, and the receiving block 22 can automatically move to the end wall of the pipe. The hoisting frame 1 is provided with a driving assembly 13 for driving the two sliding seats 2 to approach each other or to depart from each other; when the two sliding seats 2 are close to each other, each corresponding receiving block 22 can be inserted into the interior of the corresponding end of the pipe for receiving the inner side wall of the pipe, so as to lift the pipe.

Referring to fig. 1 and 3, the driving assembly 13 includes a first driving screw 131, a second driving screw 132, and a driving motor 133. The two sliding seats 2 are provided with connecting screw holes 23 along the length direction of the sliding groove 12 in a penetrating way; the first driving screw 131 is in threaded connection with the inner side wall of the connecting screw hole 23 of one of the sliding seats 2, and the second driving screw 132 is in threaded connection with the inner side wall of the connecting hole of the other sliding seat 2. The first driving screw 131 and the second driving screw 132 are both positioned in the sliding groove 12, and the first driving screw 131 and the second driving screw 132 are coaxially welded and fixed.

Referring to fig. 1 and 3, a connecting plate 121 is welded and fixed to an inner side wall of the sliding groove 12 at a middle position in a longitudinal direction thereof, and one ends of the first and second driving screws 131 and 132, which are close to each other, are rotatably connected to the connecting plate 121; the ends of the first drive screw 131 and the second drive screw 132, which are remote from the connection plate 121, are each rotatably connected to the end wall of the slide groove 12. The direction of rotation of the threads of the first drive screw 131 is opposite to the direction of rotation of the threads of the second drive screw 132; the driving motor 133 is fixedly installed on the end wall of the hoisting frame 1, which is close to one end of the first driving screw 131, through bolts, and an output shaft of the driving motor 133 is connected with the first driving screw 131 to drive the first driving screw 131; the second drive screw 132 rotates synchronously and in the same direction, so that the two slide holders 2 are synchronously moved closer to each other or are synchronously moved away from each other. In another embodiment, the output shaft of the driving motor 133 may also be connected to the second driving screw 132, so as to drive the first driving screw 131 to rotate by the second driving screw 132.

Referring to fig. 3 and 4, the side walls of the two sliding seats 2 facing each other are provided with mounting grooves 24, and the bottom walls of the mounting grooves 24 are fixedly adhered with pressure sensing pieces 241; the pressure sensing member 241 includes a pressure sensor. The mounting groove 24 is internally inserted with a contact block 242, and the peripheral wall of the contact block 242 is attached to the inner peripheral wall of the mounting groove 24 so that the contact block 242 is slidably connected with the inner side wall of the mounting groove 24. An end wall of the end of the contact block 242 near the bottom wall of the mounting groove 24 is in contact with the pressure sensing piece 241, and an end wall of the end of the contact block 242 remote from the pressure sensing piece 241 is located outside the mounting groove 24 for abutment with an end wall of the pipe. The two pressure sensing pieces 241 are commonly connected with a controller (not shown in the figure) through wires; the controller includes a PLC. The driving motor 133 is connected with the controller through a wire; when both contact blocks 242 are in contact with the end walls of the pipe respectively, it is indicated that both of the receiving blocks 22 have been inserted into the interior of the pipe; at this time, the pressure sensing element 241 sends an electrical signal to the controller, so that the controller controls the driving motor 133 to stop rotating, thereby realizing automatic control of sliding of the sliding seat 2.

Referring to fig. 4, the inner sidewall of the mounting groove 24 is provided with a limiting groove 243, the limiting groove 243 is provided along the depth direction of the mounting groove 24, and the inner sidewall of the limiting groove 243 is connected with the sidewall of the sliding seat 2. A limiting block 2421 is fixedly welded on the side wall of the contact block 242, and the limiting block 2421 is inserted into the limiting groove 243. The limiting groove 243 is provided with an abutting block 2431, the abutting block 2431 is located on one side of the limiting block 2421 away from the bottom wall of the mounting groove 24, and the abutting block 2431 is welded and fixed with the inner side wall of the limiting groove 243. The abutment block 2431 may abut against a side wall of the side of the stop block 2421 facing away from the bottom wall of the mounting groove 24 to limit the movement of the stop block 2421, thereby reducing the possibility of the contact block 242 being separated from the mounting groove 24, and thus being beneficial to improving the stability of the cooperation of the contact block 242 and the pressure sensing element 241.

The implementation principle of the embodiment of the application is as follows:

when the pipe is hoisted, the hoisting frame 1 is moved to the position above the corresponding pipe by the crane; then, the lifting hook moves downwards to enable the lifting frame 1 to move downwards, so that the pipe is relatively positioned between the two sliding seats 2; then, the operator adjusts the position of the lifting frame 1 so as to align the receiving blocks 22 with the inside of the pipe, and the driving motor 133 drives the first driving screw 131 and the second driving screw 132 to synchronously rotate so as to enable the two sliding seats 2 to approach each other, thereby enabling the two receiving blocks 22 to be inserted into the pipe; finally, the crane lifts the lifting hook, and the lifting frame 1 moves upwards, so that the bearing block 22 is abutted with the inner side wall of the pipe, and the bearing block 22 drives the pipe to move upwards, so that the pipe is lifted into the cabin.

When the bearing block 22 is inserted into the pipe, before the pipe is lifted, operators can withdraw to a position far away from the pipe, so that the possibility of injuring the operators after the pipe is lifted is reduced, and the safety of the pipe lifting operation is improved.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a tubular product shipment hoist which characterized in that: the lifting device comprises a lifting frame (1), wherein the lifting frame (1) is provided with a sling (111) for hooking a lifting hook of a crane; the hoisting frame (1) is sequentially provided with two sliding seats (2) along the length direction of the hoisting frame, and the two sliding seats (2) are in sliding connection with the hoisting frame (1) along the length direction of the hoisting frame (1); each sliding seat (2) is provided with a bearing block (22) extending towards the other sliding seat (2), and the bearing blocks (22) are used for being abutted with the inner side wall of the pipe; the hoisting frame (1) is provided with a driving component (13) for driving the two sliding seats (2) to approach or separate from each other.

2. The pipe shipment spreader of claim 1, wherein: the two sliding seats (2) are respectively provided with a pressure sensing piece (241) which is used for being abutted with the end wall of the pipe; the two pressure sensing pieces (241) are electrically connected with a controller together, and the driving assembly (13) is electrically connected with the controller.

3. The pipe shipment spreader of claim 2, wherein: the side walls of the sliding seat (2) facing each other are provided with mounting grooves (24), and the inner side walls of the mounting grooves (24) are slidably connected with contact blocks (242) used for being abutted against the end walls of the pipes; the pressure sensing piece (241) is positioned at the bottom wall of the mounting groove (24), and the contact block (242) can be abutted with the pressure sensing piece (241).

4. A pipe shipment spreader according to claim 3, characterized in that: the inner side wall of the mounting groove (24) is provided with a limiting groove (243) along the depth direction of the mounting groove (24), the contact block (242) is provided with a limiting block (2421), and the limiting block (2421) is positioned in the limiting groove (243); the inner side wall of the limit groove (243) is provided with an abutting block (2431) for abutting against the side wall of one side of the limit block (2421) away from the bottom wall of the installation groove (24).

5. The pipe shipment spreader of claim 1, wherein: the lifting frame (1) is provided with a sliding groove (12) penetrating in the up-down direction, and the sliding seat (2) is positioned in the sliding groove (12); the sliding seat (2) is connected with the inner side wall of the sliding groove (12) in a sliding manner along the length direction of the lifting frame (1); the sliding seat (2) is provided with a supporting block (21) which is abutted with the upper surface of the hoisting frame (1).

6. The pipe shipment spreader of claim 5, wherein: a guide assembly (3) is arranged between the supporting block (21) and the hoisting frame (1), and the guide assembly (3) comprises a guide sliding rail (31) connected with the hoisting frame (1) and a guide sliding seat (32) connected with the supporting block (21); the guide sliding seat (32) is connected with the guide sliding rail (31) in a sliding way.

7. The pipe shipment spreader of claim 1, wherein: the driving assembly (13) comprises a first driving screw (131) in threaded connection with one sliding seat (2), a second driving screw (132) in threaded connection with the other sliding seat (2), and a driving motor (133) connected with the hoisting frame (1); the first driving screw (131) and the second driving screw (132) are both in rotary connection with the hoisting frame (1), and the first driving screw (131) and the second driving screw (132) are mutually and coaxially connected; the threads of the first drive screw (131) and the second drive screw (132) are opposite in rotation direction; an output shaft of the driving motor (133) is connected with the first driving screw (131) or the second driving screw (132).

8. The pipe shipment spreader of claim 1, wherein: the lower surface of the bearing block (22) is provided with a guide surface (221) for abutting against the peripheral wall of the pipe, and one end of the guide surface (221) away from the sliding seat (2) is inclined upwards and is connected with the end wall of the corresponding end of the bearing block (22).