Retracting and releasing device of steel grabbing machine

Abstract

The utility model discloses a take-up and pay-off device of a steel grabbing machine, which relates to the technical field of steel transfer and is characterized in that a hydraulic cylinder is arranged at the top of a support plate, a hydraulic rod of the hydraulic cylinder is provided with a mounting box, a grab bucket is clamped in the mounting box through a clamping block and used for taking up and paying off steel, and two vertical plates are symmetrically arranged at the top of the inner wall of the mounting box; limiting strips are arranged in the vertical plates in a sliding mode, and limiting grooves matched with the limiting strips are formed in the two sides of the clamping blocks. The device has the advantages that the two inclined blocks are driven to synchronously move downwards by pulling the pull rod downwards, the two limiting strips can synchronously move oppositely in the horizontal direction under the action of the T-shaped sliding blocks, the limiting grooves and the limiting strips are separated, the clamping blocks arranged in a clamped mode can be taken down, and the device is convenient to use. And therefore, a worker can conveniently disassemble and take down the grab bucket, the loading and unloading progress of the grab bucket is accelerated, the worker can conveniently carry out clamping operation, and the use convenience is good.

Description

Technical Field

[0001] The utility model relates to a retracting and releasing device, in particular to a retracting and releasing device for a steel grabber, and belongs to the technical field of steel material transportation. Background Art

[0002] A steel grabber is a machine for grabbing steel materials, and usually uses a grab bucket to grab and place the steel materials. In the prior art, steel materials are transported by the grab bucket of the steel grabber. During the long-term operation of the grab bucket, the claws will be damaged and need to be disassembled, replaced or repaired.

[0003] Among them, the "a kind of retractable and releasing device of a steel grabber" disclosed in the application number "CN202122964921.8" "comprises a movable plate and a grab bucket; a hydraulic cylinder is fixedly connected to the top of the movable plate; a hydraulic rod is provided at the bottom of the hydraulic cylinder; the bottom end of the hydraulic rod passes through the movable plate and is fixedly connected to a placement seat; a fixed seat is provided at the top of the grab bucket; the grab bucket and the fixed seat are an integrated structure; a clamping groove is provided on the side walls on both sides of the fixed seat; a first groove is provided at the bottom of the placement seat; a second groove is provided on the side walls on both sides of the first groove; a clamping block is fixedly connected to the bottom of the second groove through a spring". In the utility model, the clamping block is moved in a direction away from the bottom of the second groove by pushing the component, and then it is clamped into the clamping groove to fix the fixed seat. The installation is simple and convenient. The clamping block is moved in a direction close to the bottom of the second groove, so that the clamping block can completely enter the second groove, detach from the clamping groove, release the fixation of the fixed seat, and facilitate the removal of the grab bucket.

[0004] However, the above method still has the following defects: during the disassembly and assembly process of the grab bucket, the disassembly and assembly operation needs to be performed by stretching the turntable and rotating the turntable multiple times, which is relatively cumbersome and affects the disassembly and assembly progress of the grab bucket. Utility Model Content

[0005] The utility model aims to provide a retractable device for a steel grabber to solve the problem in the above-mentioned background technology that the disassembly and assembly operation needs to be performed by stretching a turntable and rotating the turntable multiple times, which is cumbersome and affects the disassembly and assembly progress of the grab bucket.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a folding and releasing device for a steel grabber, comprising a support plate, a hydraulic cylinder is provided on the top of the support plate, and a mounting box is provided on the hydraulic rod of the hydraulic cylinder, a grab is provided inside the mounting box through a clamping block for folding and releasing steel, two vertical plates are symmetrically provided on the top of the inner wall of the mounting box, a limit bar is slidably provided inside the vertical plates, limit grooves matching the limit bar are provided on both sides of the clamping block, an inclined block is slidably provided on one side of the limit bar through a T-shaped slider, a pull rod is provided at the bottom of the inclined block, a support assembly for supporting the inclined block is provided on one side of the pull rod, a return rod is provided between the two pull rods, and a guide assembly is provided on the surface of the return rod.

[0007] As a preferred technical solution of the utility model, one end of the limit bar facing the inner wall of the installation box is arranged to be inclined, and the limit bar is slidably connected to the surface of the inclined block.

[0008] As a preferred technical solution of the utility model, a T-shaped sliding groove matching the T-shaped sliding block is provided inside the inclined block, and the T-shaped sliding block is slidably connected to the T-shaped sliding groove.

[0009] As a preferred technical solution of the utility model, the supporting assembly includes a fixed plate, which is fixedly mounted on the inner wall of the mounting box, a movable plate is provided on the top of the fixed plate, and one side of the movable plate is fixedly connected to one side of the inclined block, a guide rod is provided on the top of the fixed plate, and the top of the guide rod passes through the movable plate and is placed on the top of the movable plate, a spring is sleeved on the surface of the guide rod, the top end of the spring is fixedly connected to the surface of the movable plate, and the bottom end is fixedly connected to the surface of the fixed plate.

[0010] As a preferred technical solution of the utility model, a gap is left between the side of the movable plate away from the inclined block and the installation box, and arc grooves corresponding to the reciprocating rods are provided on both sides of the installation box.

[0011] As a preferred technical solution of the utility model, the guide assembly includes two guide blocks, and the two guide blocks are symmetrically installed on the surface of the circular rod respectively. Guide seats are symmetrically provided on both sides of the installation box, and the surfaces of the guide seats are provided with guide grooves matching the guide blocks, and the guide blocks are slidably connected to the guide grooves.

[0012] As a preferred technical solution of the utility model, a stretch tube is provided in the middle of the reciprocating rod, and an anti-slip sleeve is provided on the surface of the stretch tube.

[0013] As a preferred technical solution of the utility model, a card slot matching the card block is provided at the bottom of the installation box, and the card block is snap-fitted and connected with the card slot.

[0014] Compared with the related art, the retractable device of the steel grabber provided by the utility model has the following advantages:

[0015] Beneficial effects:

[0016] 1. By pulling down the pull rod, the two inclined blocks are driven to move downward synchronously. Under the action of the T-shaped slider, the two limit bars can be synchronously moved in opposite directions in the horizontal direction, so that the limit groove and the limit bar are separated, and the engaged block can be removed, so that it is convenient for the staff to disassemble and remove the grab, which improves the loading and unloading progress of the grab, is convenient for the staff to implement the clamping operation, and is easy to use.

[0017] 2. Through the support assembly, by pulling down the pull rod, the inclined block and the movable plate can be moved synchronously, so that the spring at the guide rod is in a contracted state. When the grab bucket needs to be installed, it is only necessary to loosen the pull rod, and under the support and reset of the spring, the limit bars are synchronously plugged into the limit grooves to complete the installation of the grab bucket. It is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the exploded structure of the installation box of the utility model;

[0020] Figure 3 This is a schematic diagram of the explosion structure of the card block of the utility model;

[0021] Figure 4 This is a schematic diagram of the explosion structure of the limit strip of the utility model;

[0022] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure at point A;

[0023] Figure 6 It is a structural schematic diagram of the installation box of the utility model.

[0024] In the figure: 1. support plate; 2. hydraulic cylinder; 3. installation box; 4. clamping block; 5. grab bucket; 6. vertical plate; 7. limit bar; 8. support assembly; 801. fixed plate; 802. movable plate; 803. guide rod; 804. spring; 9. T-shaped slider; 10. limit groove; 11. inclined block; 12. pull rod; 13. return rod; 14. guide assembly; 1401. guide block; 1402. guide seat; 1403. stretching tube; 1404. clamping slot; 1405. arc slot. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1:

[0027] See also Figure 1-6 The utility model provides a folding and unfolding device for a steel grabbing machine, including a support plate 1, a hydraulic cylinder 2 is arranged on the top of the support plate 1, and a hydraulic rod of the hydraulic cylinder 2 is arranged on a mounting box 3, a grab 5 is arranged inside the mounting box 3 through a clamping block 4 for folding and unloading steel, and the grab 5 is height-adjustable through the matching hydraulic cylinder 2 and the mounting box 3, and the steel is folded and placed by the clamping clamp of the grab 5, and two vertical plates 6 are symmetrically arranged on the top of the inner wall of the mounting box 3, and a limit bar 7 is slidably arranged inside the vertical plate 6, and limit grooves 10 matching the limit bar 7 are arranged on both sides of the clamping block 4, and an inclined block 11 is slidably arranged on one side of the limit bar 7 through a T-shaped slider 9, and a pull rod 12 is arranged at the bottom of the inclined block 11, and the pull rod 12 is pulled down to drive the two inclined blocks 11 to move downward synchronously, and under the action of the T-shaped slider 9, the two limit bars 7 can be synchronously moved in opposite directions in the horizontal direction. , so that the limiting groove 10 is separated from the limiting strip 7, so that the engaging block 4 can be removed, so that it is convenient for the staff to disassemble and remove the grab bucket 5, improve the loading and unloading progress of the grab bucket 5, and facilitate the staff to implement the clamping operation, which is convenient to use. A support assembly 8 for supporting the inclined block 11 is provided on one side of the pull rod 12. Through the provided support assembly 8, it is convenient to support and guide the inclined block 11, which is convenient for implementing the limiting operation of the limiting strip 7 in the horizontal direction. A reciprocating rod 13 is provided between the two pull rods 12, which is convenient for using the reciprocating rod 13 to stretch the pull rod 12 and the two inclined blocks 11 arranged inside the installation box 3 in the vertical direction, which is convenient for operation, and a guide assembly 14 is provided on the surface of the reciprocating rod 13, which is convenient for guiding the reciprocating rod 13 during the movement, so that the two pull rods 12 always ensure the movement in the vertical direction, which is convenient to use;

[0028] The support assembly 8 includes a fixed plate 801, which is fixedly installed on the inner wall of the installation box 3. A movable plate 802 is provided on the top of the fixed plate 801, and one side of the movable plate 802 is fixedly connected to one side of the inclined block 11. A guide rod 803 is provided on the top of the fixed plate 801, and the top of the guide rod 803 passes through the movable plate 802 and is placed on the top of the movable plate 802. A spring 804 is sleeved on the surface of the guide rod 803. The top end of the spring 804 is fixedly connected to the surface of the movable plate 802, and the bottom end is fixedly connected to the surface of the fixed plate 801. The guide rod 803 is provided to facilitate the role of limiting and guiding in the process of moving and stretching the inclined block 11. The spring 804 is provided to support and reset the inclined block 11, so that the inclined block 11 always maintains a balance with the limit bar 7 when it is not stretched.

[0029] There is a gap between the side of the moving plate 802 away from the inclined block 11 and the installation box 3, so that the moving plate 802 is not restricted in any way during the movement. Both sides of the installation box 3 are provided with arc grooves 1405 corresponding to the reciprocating rod 13, so that the reciprocating rod 13 is not restricted in any way during the movement.

[0030] One end of the limit strip 7 facing the inner wall of the installation box 3 is set to be inclined, and the limit strip 7 is slidably connected to the surface of the inclined block 11, so that the inclined block 11 and the surface of the limit strip 7 are relatively slidably connected, and there is no restriction during the movement;

[0031] A T-shaped groove matching the T-shaped slider 9 is provided inside the inclined block 11, and the T-shaped slider 9 is slidably connected to the T-shaped groove. By providing a T-shaped groove inside the inclined block 11 and cooperating with the T-shaped slider 9, it is convenient to play a limiting and guiding role for the movement of the limit bar 7.

[0032] Embodiment 2:

[0033] The guide assembly 14 includes two guide blocks 1401, which are symmetrically installed on the surface of the circular rod 13. Guide seats 1402 are symmetrically arranged on both sides of the installation box 3, and the surfaces of the guide seats 1402 are provided with guide grooves matching the guide blocks 1401. The guide blocks 1401 are slidably connected to the guide grooves, which facilitates the limiting and guiding role of the movement of the circular rod 13 and the pull rod 12, so that the pull rod 12 always keeps moving in the vertical direction.

[0034] A stretching tube 1403 is provided in the middle of the reciprocating rod 13, and a non-slip sleeve is provided on the surface of the stretching tube 1403, so as to facilitate the stretching of the reciprocating rod 13 in the vertical direction and play an anti-slip role;

[0035] A card slot 1404 matching the card block 4 is provided at the bottom of the installation box 3, and the card block 4 is snap-fitted with the card slot 1404, which facilitates the snap-fitting connection of the card block 4 and also plays a positioning and guiding role.

[0036] When in use, first, install the support plate 1 to a suitable position, then control the extension and retraction of the hydraulic rod of the hydraulic cylinder 2, and the opening and closing of the grab 5 to grab and place the steel. During the long-term operation of the grab 5, the claw position will be damaged and need to be disassembled, replaced or repaired. Then, the staff can support the grab 5 with one hand and pull down the stretching tube 1403 with the other hand, cooperate with the guide block 1401 and the guide seat 1402, so that the reciprocating rod 13 moves in the vertical direction. At this time, the two pull rods 12 at the ends of the reciprocating rod 13 are synchronously belted The movable inclined block 11 moves in the vertical direction. At this time, the movable plate 802 moves under the guidance of the guide rod 803. At this time, the spring 804 is compressed. Due to the movement of the inclined block 11, the T-shaped slider 9 and the vertical plate 6 at the limit bar 7 make the inclined block 11 drive the two limit bars 7 to move synchronously in the process of movement, so that the end of the limit bar 7 is separated from the limit groove 10, and then the engaged block 4 is removed, so that the grab bucket 5 can be removed and placed, which is convenient for disassembly, later inspection and maintenance, and convenient to use.

[0037] When the grab 5 needs to be installed after maintenance or replacement, the stretch tube 1403 is pulled down again to make the pull rod 12 move downward again, so that the limit bars 7 move toward each other, and the clamping block 4 is engaged in the inside of the installation box 3. Finally, the stretch tube 1403 is loosened, and under the action of the spring 804, the inclined block 11 and the limit bar 7 are driven to reset, so that the limit bar 7 and the limit groove 10 are plugged into each other, and the installation of the grab 5 is completed.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel grabber retracting and releasing device, comprising a support plate (1), characterized in that: A hydraulic cylinder (2) is provided on the top of the support plate (1), and a mounting box (3) is provided on the hydraulic rod of the hydraulic cylinder (2). A grab (5) is provided inside the mounting box (3) through a clamping block (4) for receiving and releasing steel materials. Two vertical plates (6) are symmetrically provided on the top of the inner wall of the mounting box (3). A limit bar (7) is slidably provided inside the vertical plates (6). Limit grooves (10) matching the limit bar (7) are provided on both sides of the clamping block (4). An inclined block (11) is slidably provided on one side of the limit bar (7) through a T-shaped slider (9). A pull rod (12) is provided at the bottom of the inclined block (11). A support assembly (8) for supporting the inclined block (11) is provided on one side of the pull rod (12). A return rod (13) is provided between the two pull rods (12), and a guide assembly (14) is provided on the surface of the return rod (13).

2. The retractable device for the steel grabber according to claim 1, characterized in that: One end of the limit strip (7) facing the inner wall of the installation box (3) is arranged to be inclined, and the limit strip (7) is slidably connected to the surface of the inclined block (11).

3. The retractable device for the steel grabber according to claim 1, characterized in that: A T-shaped slide groove matching the T-shaped slide block (9) is provided inside the inclined block (11), and the T-shaped slide block (9) is slidably connected to the T-shaped slide groove.

4. The retractable device for a steel grabber according to claim 1, characterized in that: The support assembly (8) comprises a fixed plate (801), wherein the fixed plate (801) is fixedly mounted on the inner wall of the installation box (3); a movable plate (802) is arranged on the top of the fixed plate (801), and one side of the movable plate (802) is fixedly connected to one side of the inclined block (11); a guide rod (803) is arranged on the top of the fixed plate (801), and the top of the guide rod (803) passes through the movable plate (802) and is placed on the top of the movable plate (802); a spring (804) is sleeved on the surface of the guide rod (803), and the top end of the spring (804) is fixedly connected to the surface of the movable plate (802), and the bottom end is fixedly connected to the surface of the fixed plate (801).

5. The retractable device for the steel grabber according to claim 4, characterized in that: A distance is left between the side of the movable plate (802) facing away from the inclined block (11) and the installation box (3), and arc grooves (1405) corresponding to the retractable rod (13) are provided on both sides of the installation box (3).

6. The retractable device for a steel grabber according to claim 1, characterized in that: The guide assembly (14) comprises two guide blocks (1401), the two guide blocks (1401) are symmetrically mounted on the surface of the reciprocating rod (13), guide seats (1402) are symmetrically arranged on both sides of the installation box (3), and the surfaces of the guide seats (1402) are provided with guide grooves matching the guide blocks (1401), and the guide blocks (1401) are slidably connected to the guide grooves.

7. The retractable device for a steel grabber according to claim 1, characterized in that: A stretch tube (1403) is provided in the middle of the retractable rod (13), and a non-slip sleeve is provided on the surface of the stretch tube (1403).

8. The retractable device for a steel grabber according to claim 1, characterized in that: A card slot (1404) matching the card block (4) is provided at the bottom of the installation box (3), and the card block (4) and the card slot (1404) are engaged and connected.

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