Fixing device for disassembling and assembling parts of steel member

Abstract

The utility model relates to a fixing device for disassembling and assembling parts of a steel member, which comprises a bottom plate and a supporting seat fixedly arranged on the bottom plate, an angle steel piece is placed on the supporting seat, an L-shaped plate is arranged above the supporting seat, and an elastic extrusion structure is arranged on the L-shaped plate; a moving assembly is arranged on the bottom plate, the moving assembly is connected with the L-shaped plate, a moving plate is horizontally arranged on the bottom plate in a sliding mode, an elastic telescopic structure is arranged on the moving plate, a driving assembly connected with the moving plate is arranged on the bottom plate, and the driving assembly is connected with the moving assembly through a transmission structure. Through the mutual mechanical cooperation of the supporting seat, the driving assembly, the moving plate, the elastic telescopic structure, the moving assembly, the L-shaped plate and the elastic extrusion structure, the two ends of the angle steel part can be clamped and fixed, the elastic extrusion structure and the elastic telescopic structure are utilized, under the condition that the fixing effect is ensured, the adaptation range is widened, and the practicability is high. And meanwhile, the damage to the angle steel piece is also avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to fixed equipment technical field, concretely is a kind of fixed device for steel member disassembly and assembly parts. BACKGROUND

[0002] ‌Steel member refers to the steel plate, angle steel, channel steel, I-beam, welded or hot-rolled H-shaped steel cold bending or welded through connecting piece connection and formed the steel structure combination component that can bear and transmit load.

[0003] Steel member is the main component of steel structure building, these components are usually made of profile steel and steel plate and are treated by silicification, pure manganese phosphating, washing and drying, galvanizing and other processes for rust removal and rust prevention. In steel structure, each steel member or part is usually connected by welding, bolts or rivets to form a whole structure. Steel member is widely used in large factory, venue, super high-rise, bridge and other fields due to its light weight, easy construction and good anti-vibration (shock) and impact resistance.

[0004] However, if the steel member is not properly fixed during disassembly and assembly, a series of safety problems may occur. The current device for clamping and fixing steel member has the disadvantages of poor fixing effect, safety risk, limited application range, poor accessory completeness and possible damage to steel member. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of fixed device for steel member disassembly and assembly parts to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of fixed device for steel member disassembly and assembly parts, including bottom plate and support seat fixedly arranged on the bottom plate, angle steel piece is placed on the support seat, the side wall of the angle steel piece is attached to one side of the support seat;

[0008] L-shaped plate is arranged above the support seat, and elastic extrusion structure is arranged on the L-shaped plate;

[0009] Mobile assembly is arranged on the bottom plate, and the mobile assembly is connected with the L-shaped plate, when the mobile assembly operates, the L-shaped plate will drive the elastic extrusion structure to move horizontally first and then vertically, so as to clamp and fix one end of the angle steel piece;

[0010] The bottom plate is provided with a moving plate horizontally sliding, the moving plate is provided with an elastic expansion structure, the bottom plate is provided with a driving assembly connected with the moving plate, and the driving assembly is connected with the moving assembly through a transmission structure, when the driving assembly operates, the moving plate will drive the elastic expansion structure to clamp and fix the other end of the angle steel piece, and the moving assembly will also move under the driving of the transmission structure.

[0011] As a further scheme of the utility model:

[0012] The elastic expansion structure comprises a first round rod horizontally sliding on the L-shaped plate and a trapezoidal block fixed at one end of the first round rod, the trapezoidal block is provided with an inclined surface with one end downward, and the other end of the first round rod is fixed with a limiting plate.

[0013] The outer wall of the first round rod is sleeved with a first spring, and the two ends of the first spring abut against the trapezoidal block and the L-shaped plate respectively.

[0014] As a further scheme of the utility model:

[0015] The moving assembly comprises a first frame fixed on the bottom plate and a second frame fixed on the first frame.

[0016] The first frame is respectively provided with a first sliding groove and a second sliding groove, the first sliding groove and the second sliding groove are communicated with each other, the first sliding groove is horizontally arranged, and the second sliding groove is obliquely arranged.

[0017] The second frame is respectively provided with a third sliding groove and a fourth sliding groove, the third sliding groove and the fourth sliding groove are communicated with each other, the third sliding groove is horizontally arranged, and the fourth sliding groove is vertically arranged.

[0018] As a further scheme of the utility model:

[0019] The moving assembly further comprises a vertical plate vertically arranged and a sliding block slidingly matched with the vertical plate, one side of the vertical plate is horizontally fixed with a first slide column, and the first slide column is located in the first sliding groove and slidingly matched with each other.

[0020] The bottom plate is fixed with a support, the support is horizontally rotatably provided with a lead screw, and the sliding block and the lead screw are threadedly matched.

[0021] As a further scheme of the utility model:

[0022] The horizontal fixed setting of the vertical plate is provided with a crossbar, the outer wall of the crossbar is horizontally slidably sleeved with a sliding plate, the side of the sliding plate close to the first frame body is horizontally fixedly provided with a second slide post, the side of the sliding plate away from the first frame body is fixedly connected with one end of the L-shaped plate, and the second slide post is located in the third sliding groove and slidably connected with each other.

[0023] The outer wall of the crossbar is provided with a limiting block, the side wall of the sliding plate away from the vertical plate is abutted against the limiting block, the outer wall of the crossbar is sleeved with a second spring, the two ends of the second spring are respectively abutted against the vertical plate and the side of the sliding plate close to the vertical plate, and the other end of the L-shaped plate is slidably arranged on the bottom plate through a guide frame.

[0024] As a further scheme of the utility model:

[0025] The elastic telescopic structure comprises a second round rod which is horizontally slidably arranged on the moving plate and a clamping plate which is fixedly arranged at one end of the second round rod, and the other end of the second round rod is fixedly provided with a limiting plate.

[0026] The outer wall of the second round rod is sleeved with a third spring, and the two ends of the third spring are respectively abutted against the clamping plate and the side wall of the moving plate close to the clamping plate.

[0027] As a further scheme of the utility model:

[0028] The driving assembly comprises a threaded rod which is horizontally rotatably arranged on the bottom plate, the threaded rod is in threaded cooperation with the moving plate, and one end of the threaded rod is fixedly provided with a hand wheel.

[0029] As a further scheme of the utility model:

[0030] The transmission structure comprises a first transmission wheel which is fixedly arranged on the threaded rod and a second transmission wheel which is fixedly arranged on the lead screw, and the first transmission wheel and the second transmission wheel are connected through a belt.

[0031] Compared with the prior art, the utility model has the advantages of:

[0032] Firstly, the angle steel piece is placed on the support seat by using hoisting equipment, so that the angle steel piece is abutted against the support seat, then external force is used to drive the driving assembly to act, the driving assembly drives the moving plate and the elastic telescopic structure to clamp and fix the other end of the angle steel piece in cooperation with the support seat, meanwhile, the moving assembly is also driven by the transmission structure to act, the moving assembly drives the L-shaped plate and the elastic telescopic structure to move horizontally and then vertically, so that one end of the angle steel piece is clamped and fixed, in addition, the elastic telescopic structure and the elastic telescopic structure can be self-adaptively adjusted according to the size of the angle steel piece.

[0033] The present application can clamp and fix the two ends of the angle steel piece through the mutual mechanical cooperation between the support base, the driving assembly, the moving plate, the elastic expansion structure, the moving assembly, the L-shaped plate and the elastic extrusion structure. Since the elastic extrusion structure and the elastic expansion structure can be self-adaptively adjusted according to the size of the angle steel piece, the adaptation range is improved while the fixing effect is ensured, and damage to the angle steel piece is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 The overall structure of an embodiment of the fixing device for disassembling and assembling parts of a steel member.

[0035] Figure 2 The overall structure of an embodiment of the fixing device for disassembling and assembling parts of a steel member.

[0036] Figure 3 The overall structure of an embodiment of the fixing device for disassembling and assembling parts of a steel member. Figure 2 The enlarged view of A in FIG. 6.

[0037] Figure 4 The overall structure of an embodiment of the fixing device for disassembling and assembling parts of a steel member.

[0038] Figure 5 The overall structure of an embodiment of the fixing device for disassembling and assembling parts of a steel member. Figure 4 The enlarged view of B in FIG. 6.

[0039] Figure 6 The overall structure of an embodiment of the fixing device for disassembling and assembling parts of a steel member. Figure 4 The enlarged view of C in FIG. 6.

[0040] Figure 7 The overall structure of an embodiment of the fixing device for disassembling and assembling parts of a steel member.

[0041] Figure 8 The overall structure of an embodiment of the fixing device for disassembling and assembling parts of a steel member.

[0042] Figure 9 The overall structure of an embodiment of the fixing device for disassembling and assembling parts of a steel member.

[0043] Figure 10 The overall structure of an embodiment of the fixing device for disassembling and assembling parts of a steel member.

[0044] In the figure: 1, bottom plate; 2, support seat; 3, angle steel piece; 4, L-shaped plate; 5, moving plate; 6, No. 1 round rod; 7, trapezoidal block; 8, No. 1 spring; 9, No. 1 frame body; 901, first sliding groove; 902, second sliding groove; 10, No. 2 frame body; 1001, third sliding groove; 1002, fourth sliding groove; 11, vertical plate; 12, sliding block; 13, No. 1 sliding column; 14, support; 15, screw rod; 16, cross bar; 1601, limiting block; 17, sliding plate; 18, No. 2 sliding column; 19, No. 2 spring; 20, guide frame; 21, No. 2 round rod; 22, clamping plate; 23, No. 3 spring; 24, threaded rod; 25, hand wheel; 26, No. 1 transmission wheel; 27, No. 2 transmission wheel; 28, belt. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the utility model will be clearly and completely described 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.

[0046] In addition, the elements in the utility model are referred to as being "fixed to" or "disposed on" another element, which can be directly on another element or can have a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or can have a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this paper are only for illustrative purposes and do not represent the only implementation.

[0047] Please refer to Figures 1-10 In the embodiments of the utility model, a fixing device for disassembling and assembling parts of steel members comprises a bottom plate 1 and a support seat 2 fixedly arranged on the bottom plate 1, an angle steel piece 3 is placed on the support seat 2, and the side wall of the angle steel piece 3 is attached to one side of the support seat 2.

[0048] An L-shaped plate 4 is arranged above the support seat 2, and an elastic extrusion structure is arranged on the L-shaped plate 4.

[0049] A moving assembly is arranged on the bottom plate 1, the moving assembly is connected with the L-shaped plate 4, when the moving assembly operates, the L-shaped plate 4 drives the elastic extrusion structure to move horizontally first and then vertically, so as to clamp and fix one end of the angle steel piece 3.

[0050] A movable plate 5 is horizontally slidably disposed on the base plate 1. An elastic telescopic structure is disposed on the movable plate 5. A drive assembly connected to the movable plate 5 is disposed on the base plate 1. The drive assembly is connected to the movable assembly through a transmission structure. When the drive assembly is running, the movable plate 5 will drive the elastic telescopic structure to clamp and fix the other end of the angle steel 3. At the same time, the movable assembly will also move under the drive of the transmission structure.

[0051] In this scheme, the angle steel piece 3 is first placed on the support base 2 using hoisting equipment, so that the angle steel piece 3 abuts against the support base 2. Then, the drive component is activated by external force. The drive component will drive the moving plate 5 and the elastic telescopic structure to clamp and fix the other end of the angle steel piece 3 in conjunction with the support base 2. At the same time, the moving component will also move under the drive of the transmission structure. The moving component will drive the L-shaped plate 4 and the elastic extrusion structure to move horizontally and then vertically together, thereby clamping and fixing one end of the angle steel piece 3. In addition, the elastic extrusion structure and the elastic telescopic structure can be adaptively adjusted according to the size of the angle steel piece 3.

[0052] As a further embodiment of this utility model, the elastic extrusion structure includes a first round rod 6 that is horizontally slidably disposed on the L-shaped plate 4 and a trapezoidal block 7 that is fixedly disposed at one end of the first round rod 6. The trapezoidal block 7 is provided with an inclined surface facing downwards, and a limit plate is fixedly disposed at the other end of the first round rod 6.

[0053] A spring 8 is fitted on the outer wall of the first round rod 6, and the two ends of the first spring 8 abut against the trapezoidal block 7 and the L-shaped plate 4, respectively.

[0054] In this embodiment, such as Figure 10 As shown, when the L-shaped plate 4 moves horizontally and then vertically, the trapezoidal block 7 and the spring 8 will also move accordingly. Since the trapezoidal block 7 has a downward-facing inclined surface, it will abut against one end of the angle steel piece 3.

[0055] Because of the presence of spring 8 and its compression state, when trapezoidal block 7 comes into contact with angle steel 3, trapezoidal block 7 will move horizontally, thereby further compressing spring 8. The elastic force of spring 8 will drive trapezoidal block 7 to clamp and fix angle steel 3.

[0056] As a further embodiment of this utility model, the movable component includes a first frame 9 fixedly mounted on the base plate 1 and a second frame 10 fixedly mounted on the first frame 9.

[0057] The first sliding groove 901 and the second sliding groove 902 are arranged on the first frame body 9 respectively, the first sliding groove 901 and the second sliding groove 902 are communicated with each other, the first sliding groove 901 is arranged horizontally, and the second sliding groove 902 is arranged obliquely;

[0058] The third sliding groove 1001 and the fourth sliding groove 1002 are arranged on the second frame body 10 respectively, the third sliding groove 1001 and the fourth sliding groove 1002 are communicated with each other, the third sliding groove 1001 is arranged horizontally, and the fourth sliding groove 1002 is arranged vertically;

[0059] The moving assembly further comprises a vertical plate 11 arranged vertically and a sliding block 12 in sliding cooperation with the vertical plate 11, one side of the vertical plate 11 is fixedly provided with a first sliding column 13 arranged horizontally, the first sliding column 13 is located in the first sliding groove 901 and in sliding cooperation with each other;

[0060] The bottom plate 1 is fixedly provided with a support 14, the support 14 is rotatably provided with a lead screw 15 arranged horizontally, the sliding block 12 is in threaded cooperation with the lead screw 15;

[0061] The vertical plate 11 is fixedly provided with a cross rod 16 arranged horizontally, an outer wall of the cross rod 16 is slidably sleeved with a sliding plate 17, one side of the sliding plate 17 close to the first frame body 9 is fixedly provided with a second sliding column 18 arranged horizontally, the other side of the sliding plate 17 away from the first frame body 9 is fixedly connected with one end of the L-shaped plate 4, the second sliding column 18 is located in the third sliding groove 1001 and in sliding cooperation with each other;

[0062] An outer wall of the cross rod 16 is provided with a limiting block 1601, one side wall of the sliding plate 17 away from the vertical plate 11 abuts against the limiting block 1601, the outer wall of the cross rod 16 is sleeved with a second spring 19, two ends of the second spring 19 abut against one side of the sliding plate 17 close to the vertical plate 11 and the vertical plate 11 respectively, the other end of the L-shaped plate 4 is slidably arranged on the bottom plate 1 through a guide frame 20.

[0063] In this embodiment, since the sliding block 12 is in threaded cooperation with the lead screw 15, the vertical plate 11 is in sliding cooperation with the sliding block 12, and the first sliding column 13 fixed to the vertical plate 11 is located in the first sliding groove 901 and in sliding cooperation with each other, therefore, the sliding block 12 and the vertical plate 11 can only slide and cannot rotate, so when the lead screw 15 rotates, the sliding block 12 will drive the vertical plate 11 and the first sliding column 13 to slide horizontally;

[0064] Because the horizontal rod 16 is horizontally fixed on the vertical plate 11, the sliding plate 17 is sleeved on the outer wall of the horizontal rod 16, the sliding plate 17 is fixedly connected with the L-shaped plate 4, and the side wall of the sliding plate 17 away from the vertical plate 11 abuts against the limiting block 1601, and the two ends of the second spring 19 abut against the vertical plate 11 and the side of the sliding plate 17 close to the vertical plate 11 respectively, so that the horizontal rod 16, the sliding plate 17, the second slide column 18 and the second spring 19 move horizontally along with the vertical plate 11 in the horizontal moving process of the vertical plate 11, so that the L-shaped plate 4 moves horizontally, and the second slide column 18 slides in the third sliding groove 1001 in the above process.

[0065] The distance from the first slide column 13 to the second sliding groove 902 is same as the distance from the second slide column 18 to the fourth sliding groove 1002, so that the second slide column 18 slides to the fourth sliding groove 1002 when the first slide column 13 slides to the second sliding groove 902.

[0066] Because the second sliding groove 902 is arranged to be inclined, the vertical plate 11 is inclined to slide along with the first slide column 13 and the second sliding groove 902 in the process that the vertical plate 11 is continuously horizontally slid under the driving of the sliding block 12, and the vertical plate 11 and the sliding block 12 slide relative to each other in the process.

[0067] When the vertical plate 11 moves to be inclined, the horizontal rod 16, the sliding plate 17, the second slide column 18 and the second spring 19 also have a trend of moving to be inclined along with the vertical plate 11, but because the second slide column 18 is located in the fourth sliding groove 1002 arranged vertically, the sliding plate 17 can only move vertically, and the inclined vertical plate 11 and the horizontal rod 16 cooperate with the sliding plate 17 to further compress the second spring 19.

[0068] As a further scheme of the utility model, the elastic telescopic structure comprises a second round rod 21 horizontally slidingly arranged on the moving plate 5 and a clamping plate 22 fixedly arranged at one end of the second round rod 21, and the other end of the second round rod 21 is fixedly arranged with a limiting plate.

[0069] The outer wall of the second round rod 21 is sleeved with a third spring 23, and the two ends of the third spring 23 abut against the clamping plate 22 and the side wall of the moving plate 5 close to the clamping plate 22 respectively.

[0070] In the embodiment, when the moving plate 5 horizontally approaches the angle steel piece 3, the clamping plate 22 moves along with the moving plate 5 and is attached to the angle steel piece 3, and because the third spring 23 exists and is in a compressed state, the clamping plate 22 further compresses the third spring 23, and the elastic force of the third spring 23 is used to clamp and fix the angle steel piece 3.

[0071] As a further scheme of the utility model, the driving assembly comprises a threaded rod 24 horizontally rotatably arranged on the bottom plate 1, the threaded rod 24 is in threaded cooperation with the moving plate 5, and the threaded rod 24 is fixedly provided with a hand wheel 25 at one end.

[0072] In this embodiment, since the threaded rod 24 is in threaded cooperation with the moving plate 5 slidably arranged on the bottom plate 1, and the threaded rod 24 is fixedly provided with the hand wheel 25 at one end, when the hand wheel 25 is rotated by external force, the threaded rod 24 will also rotate, so that the moving plate 5 translates to the angle steel piece 3 and approaches.

[0073] As a further scheme of the utility model, the transmission structure comprises a first transmission wheel 26 fixedly arranged on the threaded rod 24 and a second transmission wheel 27 fixedly arranged on the lead screw 15, and the first transmission wheel 26 and the second transmission wheel 27 are connected through a belt 28.

[0074] In this embodiment, since the first transmission wheel 26 fixed on the threaded rod 24 and the second transmission wheel 27 fixed on the lead screw 15 are connected through the belt 28, when the threaded rod 24 rotates, the lead screw 15 will also rotate.

[0075] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0076] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A fixing device for disassembling and separating parts of a steel member, comprising a base plate (1) and a supporting seat (2) fixedly arranged on the base plate (1), characterized in that, The support seat (2) is provided with an angle steel piece (3), and the side wall of the angle steel piece (3) is attached to one side of the support seat (2); The support seat (2) is provided with an L-shaped plate (4), and the L-shaped plate (4) is provided with an elastic extrusion structure; The bottom plate (1) is provided with a moving assembly, the moving assembly is connected with the L-shaped plate (4), when the moving assembly operates, the L-shaped plate (4) drives the elastic extrusion structure to move horizontally first and then vertically, so as to clamp and fix one end of the angle steel piece (3); The bottom plate (1) is provided with a moving plate (5) which horizontally slides on the bottom plate (1), the moving plate (5) is provided with an elastic telescopic structure, the bottom plate (1) is provided with a driving assembly which is connected with the moving plate (5), and the driving assembly is connected with the moving assembly through a transmission structure, when the driving assembly operates, the moving plate (5) drives the elastic telescopic structure to clamp and fix the other end of the angle steel piece (3), and at the same time, the moving assembly also moves under the drive of the transmission structure.

2. A fixing device for disassembling a steel member into parts according to claim 1, characterized in that, The elastic extrusion structure comprises a first round rod (6) which horizontally slides on the L-shaped plate (4) and a trapezoidal block (7) which is fixedly arranged at one end of the first round rod (6), the trapezoidal block (7) is provided with an inclined surface which downwardly extends, and the other end of the first round rod (6) is fixedly provided with a limiting plate; The outer wall of the first round rod (6) is sleeved with a first spring (8), and the two ends of the first spring (8) abut against the trapezoidal block (7) and the L-shaped plate (4) respectively.

3. The fixing device for disassembling a steel member into parts according to claim 1, characterized in that, The moving assembly comprises a first frame body (9) which is fixedly arranged on the bottom plate (1) and a second frame body (10) which is fixedly arranged on the first frame body (9); The first frame body (9) is provided with a first sliding groove (901) and a second sliding groove (902) respectively, the first sliding groove (901) and the second sliding groove (902) are communicated with each other, the first sliding groove (901) is horizontally arranged, and the second sliding groove (902) is obliquely arranged; The second frame body (10) is provided with a third sliding groove (1001) and a fourth sliding groove (1002) respectively, the third sliding groove (1001) and the fourth sliding groove (1002) are communicated with each other, the third sliding groove (1001) is horizontally arranged, and the fourth sliding groove (1002) is vertically arranged.

4. A fixing device for disassembling a steel member into parts according to claim 3, characterized in that The moving assembly further comprises a vertical plate (11) which is vertically arranged and a sliding block (12) which is in sliding cooperation with the vertical plate (11), one side of the vertical plate (11) is horizontally fixedly provided with a first sliding column (13), and the first sliding column (13) is located in the first sliding groove (901) and is in sliding cooperation with each other; The bottom plate (1) is fixedly provided with a support (14), the support (14) is horizontally rotatably provided with a lead screw (15), and the sliding block (12) and the lead screw (15) are in screw cooperation.

5. A fixing device for disassembling a steel member into parts according to claim 4, characterized in that The outer wall of the horizontal rod (16) is provided with a limiting block (1601), and the side wall of the sliding plate (17) away from the vertical plate (11) is abutted against the limiting block (1601); the outer wall of the horizontal rod (16) is sleeved with a second spring (19), and the two ends of the second spring (19) are respectively abutted against the vertical plate (11) and the side of the sliding plate (17) close to the vertical plate (11); the other end of the L-shaped plate (4) is slidably arranged on the bottom plate (1) through a guide frame (20). The elastic telescopic structure comprises a second circular rod (21) horizontally slidably arranged on the moving plate (5) and a clamping plate (22) fixedly arranged at one end of the second circular rod (21), and the other end of the second circular rod (21) is fixedly provided with a limiting plate; 6. The fixing device for disassembling a steel member into parts according to claim 1, wherein The outer wall of the second circular rod (21) is sleeved with a third spring (23), and the two ends of the third spring (23) are respectively abutted against the clamping plate (22) and the side wall of the moving plate (5) close to the clamping plate (22). The driving assembly comprises a threaded rod (24) horizontally rotatably arranged on the bottom plate (1), the threaded rod (24) and the moving plate (5) are in threaded connection, and one end of the threaded rod (24) is fixedly provided with a hand wheel (25).

7. The fixing device for disassembling a steel member into parts according to claim 4, wherein The transmission structure comprises a first transmission wheel (26) fixedly arranged on the threaded rod (24) and a second transmission wheel (27) fixedly arranged on the lead screw (15), and the first transmission wheel (26) and the second transmission wheel (27) are connected through a belt (28).

8. A fixing device for disassembling a steel member into parts according to claim 7, characterized in that ​

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