Pin dismounting device

Abstract

The utility model discloses a pin dismounting device which comprises a base, the top of the base is fixedly connected with a supporting rod, the top of the supporting rod is rotatably connected with a rotating shaft, the outer side of the rotating shaft is fixedly connected with a connecting plate, the interior of the connecting plate is fixedly connected with a first sliding rod, and the outer side of the first sliding rod is slidably connected with a first moving block. One end of the base is rotationally connected with a threaded rod, and the outer side of the threaded rod is in threaded connection with a second moving block. The device has the beneficial effects that by arranging the base, a second sliding rod, the threaded rod, the second moving block, a fixed block and a third sliding rod, the function of enclosing the periphery of a disassembly position is achieved; the device is placed on the surface of equipment needing pin dismounting, a rotating disc is rotated, the rotating disc drives a threaded rod to rotate, the threaded rod rotates to drive a second moving block to move along a second sliding rod, the second moving block moves to drive a fixing block to move, and the bottom of the fixing block is attached to the surface of the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal power plants, in particular to a dismantling device. Background Art

[0002] Thermal power plants, also known as thermal power plants, are plants that use combustibles (such as coal) as fuel to produce electricity. Its basic production process is: when the fuel is burned, it heats water to generate steam, converting the chemical energy of the fuel into thermal energy, and the steam pressure drives the turbine to rotate, converting the thermal energy into mechanical energy, and then the turbine drives the generator to rotate, converting the mechanical energy into electrical energy. The thermal power plant is equipped with a thermal power plant steam turbine, which needs to be overhauled after long-term use. There are many fixed pins on the thermal power plant steam turbine, so the pins need to be removed for overhaul, so special tools are needed to remove the pins. The existing pin removal device cannot provide protection around the pins that need to be removed, and the loose pins are loosened by subsequent impacts and are easily brought out and dropped by the pin removal device. Utility Model Content

[0003] The purpose of the utility model is to provide a pin removal device to solve the problems raised in the above background technology.

[0004] The top of the movable frame is fixedly connected with the second movable frame, and the top of the movable frame is rotatably connected with the first movable frame, and the outer side of the movable frame is fixedly connected with the first sliding bar, and the outer side of the first sliding bar is slidably connected with the first movable block, and one end of the movable frame is rotatably connected with the first movable block.

[0005] Preferably, a connecting block is fixedly connected to the top of the base, support plates are fixedly connected to both ends of the top of the connecting block, a rotating rod is rotatably connected between the support plates, and an eccentric wheel is fixedly connected to the outer side of the rotating rod.

[0006] Preferably, a motor is fixedly connected to one side of the support plate, and one end of the rotating rod passes through one side of the support plate and is fixedly connected to an output end of the motor.

[0007] Preferably, a spring is fixedly connected to the top of the connecting block, and the top of the spring is fixedly connected to one end of the connecting plate.

[0008] Preferably, the top of the threaded rod passes through the top of the base and is fixedly connected to a turntable.

[0009] Preferably, a suction cup is fixedly connected to the bottom of the base.

[0010] Preferably, handles are fixedly connected to both sides of the base.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: by arranging a base, a second sliding rod, a threaded rod, a second moving block, a fixed block and a third sliding rod, a function of fencing around the disassembly position is realized, the device is placed on the surface of the equipment to be disassembled, the turntable is rotated, the turntable rotates with the threaded rod, the threaded rod rotates and drives the second moving block to move along the second sliding rod, and the second moving block moves and drives the fixed block to move, so that the bottom of the fixed block fits with the surface of the equipment; by arranging a support rod, a connecting plate, a rotating shaft, a first sliding rod, a first moving block, a first connecting rod, a second connecting rod, a fixed block, a moving plate, a third sliding rod, a connecting head and a spring The spring realizes the pin removal function. Hold the handle and turn on the motor. The motor drives the rotating rod to rotate, and the rotating rod drives the eccentric wheel to rotate. When the longer end of the eccentric wheel contacts one side of the connecting plate, the eccentric wheel pushes one end of the connecting plate, and the connecting plate moves. The first sliding rod, the first moving block, the first connecting rod, the second connecting rod and the moving plate move with the connecting head to impact the pin. When the longer end of the eccentric wheel leaves one end of the connecting plate, under the action of the spring force, the spring drives one end of the connecting plate to move, and the connecting plate moves back and forth to knock the pin, so that the connection between the pin and the device is loosened, and the pin is better removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a front view of the utility model;

[0014] Figure 3 It is a schematic diagram of the enlarged structure of the local B of the utility model;

[0015] Figure 4 It is a schematic diagram of the enlarged structure of the local A of the utility model.

[0016] In the figure: 1. base; 2. support rod; 3. connecting plate; 4. rotating shaft; 5. first slide rod; 6. first moving block; 7. first connecting rod; 8. second connecting rod; 9. fixed block; 10. spring; 11. connecting block; 12. support plate; 13. rotating rod; 14. eccentric wheel; 15. suction cup; 16. second slide rod; 17. threaded rod; 18. second moving block; 19. third slide rod; 20. moving plate; 21. connector; 22. turntable; 23. handle; 24. motor. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figures 1 to 4 The utility model provides a technical solution: a pin removal device, including a base 1, a support rod 2 is fixedly connected to the top of the base 1, a rotating shaft 4 is rotatably connected to the top of the support rod 2, a connecting plate 3 is fixedly connected to the outer side of the rotating shaft 4, the connecting plate 3 rotates with the rotating shaft 4, a first sliding rod 5 is fixedly connected to the inside of the connecting plate 3, a first moving block 6 is slidably connected to the outer side of the first sliding rod 5, the first moving block 6 moves along the outer side of the first sliding rod 5, one end of the base 1 is rotatably connected to a threaded rod 17, the outer side of the threaded rod 17 is threadedly connected to a second moving block 18, the threaded rod 17 rotates and moves with the second moving block 18, a second sliding rod 16 is fixedly connected to the inside of the base 1, an end of the second moving block 18 away from the threaded rod 17 is slidably connected to the second sliding rod 16, and the second moving block 18 moves along the second sliding rod 16 To move, a fixed block 9 is fixedly connected to one side of the second moving block 18, and the second moving block 18 moves with the fixed block 9. The inside of the fixed block 9 is fixedly connected to the third sliding rod 19, and the outer side of the third sliding rod 19 is slidably connected to the moving plate 20. The moving plate 20 moves along the outer side of the third sliding rod 19 to maintain the stability of the moving plate 20 during movement. The top of the moving plate 20 is fixedly connected to the second connecting rod 8, and the top of the second connecting rod 8 is rotatably connected to the first connecting rod 7. The first connecting rod 7 moves and moves with the second connecting rod 8. The end of the first connecting rod 7 away from the second connecting rod 8 is rotatably connected to the first moving block 6, and the first moving block 6 moves and moves with the first connecting rod 7. The bottom of the moving plate 20 is detachably connected to a connecting head 21, so that the connecting head 21 can be better replaced according to different types of pins.

[0019] Furthermore, a connecting block 11 is fixedly connected to the top of the base 1, support plates 12 are fixedly connected to the two ends of the top of the connecting block 11, a rotating rod 13 is rotatably connected between the support plates 12, an eccentric wheel 14 is fixedly connected to the outer side of the rotating rod 13, and the rotating rod 13 rotates with the eccentric wheel 14.

[0020] Furthermore, a motor 24 is fixedly connected to one side of the support plate 12, and one end of the rotating rod 13 passes through one side of the support plate 12 and is fixedly connected to an output end of the motor 24. When the motor 24 is turned on, the motor 24 drives the rotating rod 13 to rotate.

[0021] Furthermore, a spring 10 is fixedly connected to the top of the connecting block 11, and the top of the spring 10 is fixedly connected to one end of the connecting plate 3. The movement of one end of the connecting plate 3 pulls the spring 10, and the spring 10 generates elastic force under the pulling force. When the spring 10 loses the pulling force, the spring 10 moves with one end of the connecting plate 3 under the action of the elastic force.

[0022] Furthermore, the top of the threaded rod 17 passes through the top of the base 1 and is fixedly connected to a turntable 22 , and when the turntable 22 is rotated, the turntable 22 rotates with the threaded rod 17 .

[0023] Furthermore, a suction cup 15 is fixedly connected to the bottom of the base 1 to better fix the device on the surface of the equipment that needs to be dismantled.

[0024] Furthermore, handles 23 are fixedly connected to both sides of the base 1 to better control the position of the entire device.

[0025] Specifically, when using the utility model, the device is placed on the surface of the equipment to be dismantled, and the turntable 22 is rotated, the turntable 22 rotates with the threaded rod 17, the threaded rod 17 rotates and drives the second moving block 18 to move along the second sliding rod 16, the second moving block 18 moves and drives the fixed block 9 to move, so that the bottom of the fixed block 9 fits with the surface of the equipment, the handle 23 is held, the motor 24 is turned on, the motor 24 drives the rotating rod 13 to rotate, the rotating rod 13 drives the eccentric wheel 14 to rotate, when the longer end of the eccentric wheel 14 is connected to the connecting rod When one side of the plate 3 contacts, the eccentric wheel 14 pushes one end of the connecting plate 3, and the connecting plate 3 moves, and the connecting head 21 is moved through the first sliding rod 5, the first moving block 6, the first connecting rod 7, the second connecting rod 8 and the moving plate 20 to impact the pin. When the longer end of the eccentric wheel 14 leaves one end of the connecting plate 3, under the action of the elastic force of the spring 10, the spring 10 moves one end of the connecting plate 3, and the connecting plate 3 moves back and forth to knock the pin, loosening the connection between the pin and the device, so that the pin can be better removed.

[0026] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0028] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0029] 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 pin removal device, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a support rod (2), the top of the support rod (2) is rotatably connected to a rotating shaft (4), the outer side of the rotating shaft (4) is fixedly connected to a connecting plate (3), the inside of the connecting plate (3) is fixedly connected to a first sliding rod (5), the outer side of the first sliding rod (5) is slidably connected to a first moving block (6), one end of the base (1) is rotatably connected to a threaded rod (17), the outer side of the threaded rod (17) is threadedly connected to a second moving block (18), the inside of the base (1) is fixedly connected to a second sliding rod (16), and the second moving block (18) is away from the threaded rod (17). One end of the movable block (18) is slidably connected to the second sliding rod (16); one side of the second movable block (18) is fixedly connected to a fixed block (9); the interior of the fixed block (9) is fixedly connected to a third sliding rod (19); the outer side of the third sliding rod (19) is slidably connected to a movable plate (20); the top of the movable plate (20) is fixedly connected to a second connecting rod (8); the top of the second connecting rod (8) is rotatably connected to a first connecting rod (7); one end of the first connecting rod (7) away from the second connecting rod (8) is rotatably connected to the first movable block (6); and the bottom of the movable plate (20) is detachably connected to a connecting head (21).

2. A pin removal device according to claim 1, characterized in that: A connecting block (11) is fixedly connected to the top of the base (1), support plates (12) are fixedly connected to the top two ends of the connecting block (11), a rotating rod (13) is rotatably connected between the support plates (12), and an eccentric wheel (14) is fixedly connected to the outer side of the rotating rod (13).

3. A pin removal device according to claim 2, characterized in that: A motor (24) is fixedly connected to one side of the support plate (12), and one end of the rotating rod (13) passes through one side of the support plate (12) and is fixedly connected to an output end of the motor (24).

4. A pin removal device according to claim 3, characterized in that: A spring (10) is fixedly connected to the top of the connection block (11), and the top of the spring (10) is fixedly connected to one end of the connection plate (3).

5. A pin removal device according to claim 1, characterized in that: The top of the threaded rod (17) passes through the top of the base (1) and is fixedly connected to a rotating disk (22).

6. A pin removal device according to claim 1, characterized in that: A suction cup (15) is fixedly connected to the bottom of the base (1).

7. A pin removal device according to claim 1, characterized in that: Handles (23) are fixedly connected to both sides of the base (1).

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