Spring replacing device

Abstract

The utility model discloses a spring replacing device which comprises two bottom plates and a spring. The adjusting seat is arranged above the bottom plate, the adjusting seat comprises a first rotating seat and a second rotating seat, a threaded rod is arranged between the first rotating seat and the second rotating seat, and a fastening nut is arranged on the outer side of the threaded rod and used for adjusting the distance between the first rotating seat and the second rotating seat; the device has the beneficial effects that the first rotating seat and the second rotating seat rotate around the bottom plate to approach to the middle, so that the distance is convenient to adjust, and the spring is convenient to compress; through the combination of the end limiting rings and the side limiting blocks, the two ends of the spring can be effectively limited, the spring can be prevented from falling off or popping up in the compression process, and therefore the operation safety is improved; the extrusion block and the jack enable the device to provide larger compression force when compressing the spring, which is particularly useful for the spring which is difficult to disassemble; and the jack can be conveniently and quickly mounted and dismounted through the mounting groove of the extrusion block.

Description

TECHNICAL FIELD

[0001] The utility model relates to a desliming screen maintenance technical field, concretely is a spring replacement device. BACKGROUND

[0002] The desliming screen of coal preparation plant is one of the core equipment of lump coal washing system, and the whole screen does not reach the standard after the spring damage, and the desliming effect of lump coal is not good, and the product quality cannot reach the requirement. The screen machine spring often needs to be replaced regularly due to fast wear and short service life, and the spring is removed by using the inverted chain to lift the screen machine and then using the crowbar to pry out the spring, which is time-consuming and laborious. What is more worrying is that there are safety hazards such as the crowbar slipping, power deviation, spring bursting out and the like, which bring great safety hazards to the maintenance personnel. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a spring replacement device to solve the problems in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a spring replacement device, comprising:

[0005] Two bottom plates;

[0006] Adjusting seat, adjusting seat is placed in the top of the bottom plate, the adjusting seat includes a rotating seat and a rotating seat, the rotating seat and the rotating seat between the threaded rod are equipped, the outer side of the threaded rod is equipped with a fastening nut, for adjusting the distance between the rotating seat and the rotating seat;

[0007] Limiting piece, limiting piece is placed in the top of the adjusting seat, the limiting piece includes the end part limiting ring of semicircle ring structure, the outer side of the end part limiting ring is equipped with the side edge limiting block for preventing the drop.

[0008] As a preferred, both ends of the two bottom plates are equipped with two rotating shafts, and the two ends of the bottom plate are respectively rotatably connected with a rotating plate and a rotating plate through the rotating shafts.

[0009] As a preferred, the rotating seat and the rotating plate are rotatably connected, and the rotating seat, the bottom plate and the two rotating plates form a parallelogram.

[0010] As a preferred, the rotating plate and the rotating seat are rotatably connected, and the rotating plate, the bottom plate and the two rotating plates form a parallelogram.

[0011] As a preferred, the rotating seat and the rotating seat are fixedly connected with the side edge limiting block, and the end part limiting ring is fixedly connected at the end part of the side edge limiting block.

[0012] As a preferred, the end part of the threaded rod is rotatably connected with a connecting block, and the connecting block is rotatably connected with the inner wall of the rotating seat.

[0013] Preferably, a movable groove is arranged in the middle part of the second rotating seat, and the threaded rod passes through the movable groove, and the extrusion block is slidably arranged on the outer side of the threaded rod between the fastening nut and the second rotating seat.

[0014] Compared with the prior art, the device can adapt to springs of different lengths by adjusting the distance between the first rotating seat and the second rotating seat, and the device can remain stable when the spring is compressed by using the parallelogram structure, and tilting and misalignment do not occur, and the first rotating seat and the second rotating seat are arranged to move towards the middle around the bottom plate to facilitate adjustment of the distance and compression of the spring; the combination of the end limiting ring and the side limiting block can effectively limit both ends of the spring and prevent the spring from falling off or jumping out during compression, thereby improving the safety of operation; the extrusion block and the jack can provide greater compression force when the device compresses the spring, which is particularly useful for springs that are difficult to disassemble; and the mounting groove of the extrusion block facilitates quick installation and disassembly of the jack. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the utility model;

[0016] Figure 2 is a structural schematic view of the first rotating seat of the utility model;

[0017] Figure 3 is a structural schematic view of the utility model when it is folded;

[0018] Figure 4 is a structural schematic view of the second rotating seat of the utility model.

[0019] In the drawing: 1, bottom plate; 2, first rotating plate; 3, first rotating seat; 4, side limiting block; 5, end limiting ring; 6, threaded rod; 7, extrusion block; 8, fastening nut; 9, second rotating plate; 10, second rotating seat; 11, movable groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figure 1 , 2The utility model provides a technical scheme that a spring replacement device is provided, which comprises two bottom plates 1, an adjusting seat is arranged above the bottom plate 1, the adjusting seat comprises a first rotary seat 3 and a second rotary seat 10, a threaded rod 6 is arranged between the first rotary seat 3 and the second rotary seat 10, a fastening nut 8 is threadedly connected to the outer side of the threaded rod 6, and the fastening nut 8 is used for adjusting the spacing between the first rotary seat 3 and the second rotary seat 10, a limiting piece is fixedly connected to the top of the adjusting seat, and the limiting piece comprises an end limiting ring 5 in a semicircular ring structure, and the outer side of the end limiting ring 5 is provided with a side limiting block 4 for preventing the end limiting ring 5 from being detached.

[0022] It should be noted that the first rotary seat 3 and the second rotary seat 10 are arranged at the two ends of the spring, the fastening nut 8 is moved to one end by rotating the fastening nut 8, the second rotary seat 10 is pressed by the extrusion block 7, the second rotary seat 10 is moved to one end of the first rotary seat 3, and the spring is pressed by the end limiting ring 5 at the end of the first rotary seat 3 and the second rotary seat 10, so that the spring is taken off from the two end limiting rods.

[0023] As shown in Figure 1 , As shown in 2 , both ends of the two bottom plates 1 are provided with two rotating shafts, the two ends of the bottom plate 1 are respectively rotatably connected to a first rotary plate 2 and a second rotary plate 9 through the rotating shafts, the first rotary seat 3 is rotatably connected to the first rotary plate 2, the first rotary seat 3, the bottom plate 1 and the two first rotary plates 2 form a parallelogram, the second rotary plate 9 is rotatably connected to the second rotary seat 10, and the second rotary plate 9, the bottom plate 1 and the two first rotary plates 2 form a parallelogram.

[0024] It should be noted that the utility model is provided with four first rotary plates 2 and four second rotary plates 9 which are rotatably installed on the inner side of the bottom plate 1, the first rotary seat 3, the second rotary plate 9 and the components connected at both ends on the same side form a parallelogram structure, so that the first rotary seat 3 and the second rotary seat 10 can be rotatably arranged around the bottom plate 1 through the first rotary plate 2 and the second rotary plate 9, the spacing between the first rotary seat 3 and the second rotary seat 10 can be adjusted, and the spring can be compressed.

[0025] As shown in Figure 1 , As shown in 2 , the second rotary seat 10 and the first rotary seat 3 are fixedly connected to the side limiting block 4, and the end limiting ring 5 is fixedly connected to the end of the side limiting block 4.

[0026] It needs to be explained that the connection of the side limiting block 4 and the end limiting ring 5 forms a fixed included angle, the included angle is the storage space of the spring, in use, the two ends of the spring are in contact with the end limiting ring 5, and the side limiting block 4 is wrapped outside the spring, so that the two ends of the spring are limited and positioned outside, the side limiting block 4 is an arc structure concentric with the end limiting ring 5, and the height of the end limiting ring 5 is higher than the center position of the end limiting ring 5, the end of the spring is wrapped by the arc structure of the top of the side limiting block 4, so that positioning is realized.

[0027] Please refer to Figure 3 、 4 As shown in the figure, the end of the threaded rod 6 is rotatably connected with a connecting block, the connecting block is rotatably connected with the inner wall of the first rotating seat 3, the middle part of the second rotating seat 10 is provided with a movable groove 11, the threaded rod 6 passes through the movable groove 11, and the extrusion block 7 is slidably installed on the outer side of the threaded rod 6 and between the fastening nut 8 and the second rotating seat 10.

[0028] It needs to be explained that the middle part of the extrusion block 7 is provided with a mounting groove, which is used for placing the jack inside the extrusion block 7, in use, the fastening nut 8 is rotated to a specified position, the jack is installed in the extrusion block 7, the second rotating seat 10 is moved to one end of the first rotating seat 3 through the jack, so that the spring is compressed through the side limiting block 4 and the end limiting ring 5.

[0029] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as a limitation of the utility model.

[0030] In addition, the terms "first", "second", "third", "fourth" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0031] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0032] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A spring replacement device, characterized by: The utility model relates to a kind of adjustable rotating seat, including: Two bottom plates (1); Adjusting seat, adjusting seat is placed in the top of the bottom plate (1), the adjusting seat includes No. rotating seat (3) and No. rotating seat (10), screw rod (6) is equipped between No. rotating seat (3) and No. rotating seat (10), the outside of screw rod (6) is equipped with fastening nut (8), for adjusting the interval between No. rotating seat (3) and No. rotating seat (10); Limiting piece, limiting piece is placed in the top of the adjusting seat, the limiting piece includes the end limiting ring (5) of semicircle ring structure, the outside of end limiting ring (5) is equipped with side edge limiting block (4) for preventing.

2. A spring changing device according to claim 1, characterized in that Two ends of two the bottom plate (1) are equipped with two rotating shafts, and the two ends of the bottom plate (1) are rotatably connected with No. rotating plate (2) and No. rotating plate (9) through rotating shaft respectively.

3. A spring changing device according to claim 2, characterized in that: No. rotating seat (3) is rotatably connected with No. rotating plate (2), and No. rotating seat (3) is rotatably connected with bottom plate (1) and two No. rotating plate (2) to form parallelogram.

4. A spring changing device according to claim 2, characterized in that: No. rotating plate (9) is rotatably connected with No. rotating seat (10), and No. rotating plate (9) is rotatably connected with bottom plate (1) and two No. rotating plate (2) to form parallelogram.

5. A spring changing device according to claim 1, characterized in that: No. rotating seat (10) and No. rotating seat (3) are fixedly connected with side edge limiting block (4), and end limiting ring (5) is fixedly connected at the end of side edge limiting block (4).

6. A spring changing device according to claim 1, characterized in that: The end of screw rod (6) is rotatably connected with connecting block, and the connecting block is rotatably connected with the inner wall of No. rotating seat (3).

7. A spring changing device according to claim 6, characterized in that: The middle part of No. rotating seat (10) is provided with movable slot (11), and screw rod (6) passes through movable slot (11), and extrusion block (7) is slidably installed on the outside of screw rod (6) between fastening nut (8) and No. rotating seat (10).

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