Protective rack for refitting steel structure factory building

Abstract

The utility model discloses a protective rack for steel structure factory building modification, which belongs to the technical field of building modification and comprises a bottom plate, a connecting frame is fixedly connected to the top of the bottom plate, an operation table is arranged on the outer surface of the connecting frame, and protective handrails are fixedly connected to the outer surfaces of the two sides of the operation table. The outer surfaces of the two protective railings are both rotationally connected with the protective door, the protective door further comprises a lock catch assembly and a height lifting assembly, through the design of the lock catch assembly, especially through the cooperation of a limiting column and a limiting groove manually operated and the automatic insertion of a connecting rod into a connecting base under the elastic force effect of a spring, rapid locking and unlocking of the protective door are achieved, and the safety of the protective door is improved. The protection door is effectively prevented from being opened accidentally in the operation process, safety protection of operators is enhanced, protection of the edge of the operation platform is further enhanced through the arrangement of the protection handrails, and the operators are prevented from being hurt due to accidental falling.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building reconstruction, more particularly to a protection rack for steel structure plant modification. BACKGROUND

[0002] The steel structure plant mainly refers to the building facility whose main load-bearing component is composed of steel. These load-bearing components include steel columns, steel beams, steel structure foundations, steel roof trusses and steel roof coverings, etc. In addition, the walls of the steel structure can also be surrounded by brick walls or other materials to adapt to different use requirements.

[0003] The steel structure plant is not only suitable for light, medium and heavy industrial plants, but also widely used in large-span structures, multi-story and high-rise structures, high-rise structures, containers, storage tanks, pipelines and other fields. The steel structure plant is widely used in industrial production due to its advantages of solid structure, short construction period, high space utilization rate, etc. However, during the long-term use of the plant, equipment updating, maintenance or overall reconstruction are often required, which often involves high-risk links such as high-altitude operation and heavy lifting, posing a threat to the safety of the operating personnel and the safety of the plant structure. The traditional platform often only has basic support function and lacks safety protection. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a protection rack for steel structure plant modification, which solves the above problems.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a protection rack for steel structure plant modification, comprising a bottom plate, the top of the bottom plate is fixedly connected with a connecting frame, the outer surface of the connecting frame is provided with an operation table, the outer surfaces of the two sides of the operation table are both fixedly connected with a protective guardrail, the outer surfaces of the two protective guardrails are both rotatably connected with a protective door, and the protection rack further comprises:

[0008] A lock catch assembly is located between the two protective doors, which is used to lock the two protective doors and enhance safety;

[0009] A height lifting assembly is located on the outer surface of the connecting frame and connected with the operation table, which is used to change the height of the operation table and can be suitable for steel structure plant modification operation of different heights.

[0010] Preferably, the lock catch assembly comprises a fixed seat, a connecting seat, a connecting rod and a baffle, the center of each of the two protective doors is fixedly connected with a baffle, the outer surface of one of the baffles is fixedly connected with a fixed seat, the inner part of the fixed seat is movably connected with a connecting rod, the outer surface of the other baffle is fixedly connected with a connecting seat, and the connecting rod is inserted into the connecting seat.

[0011] Preferably, the outer surface of the fixed seat is provided with a limiting groove, the inner part of the fixed seat is elastically connected with a spring, the spring is located in the inner part of the connecting rod, the outer surface of the connecting rod is fixedly connected with a limiting column, and the limiting column is slidably connected with the limiting groove.

[0012] Preferably, the height lifting assembly comprises a support plate, a driving motor, a first belt pulley, a second belt pulley, a moving block and a conveying belt, the outer surfaces of the two connecting frames are rotatably connected with the first belt pulley and the second belt pulley, the conveying belt is sleeved between the first belt pulley and the second belt pulley located on the same side, the two first belt pulleys are fixedly connected, the outer surface of the connecting frame is fixedly connected with the support plate, the outer surface of the support plate is fixedly installed with the driving motor, the output end of the driving motor is fixedly connected with the first belt pulley, the outer surfaces of the two conveying belts are fixedly sleeved with the moving block, and the two moving blocks are fixedly connected with the operation table.

[0013] Preferably, the outer surfaces of the two connecting frames are provided with rectangular grooves, and the two rectangular grooves are slidably connected with the corresponding moving blocks.

[0014] Preferably, the bottom of the bottom plate is fixedly installed with four universal wheels which are same in structure.

[0015] Preferably, the inner wall of the operation table is fixedly installed with a PLC controller, and the driving motor is controlled by the PLC controller.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a protection bench for steel structure factory modification, has the following beneficial effects:

[0018] 1、 this protection bench for steel structure factory modification, through the design of lock catch assembly, especially through the cooperation of limiting column and limiting groove of manual operation and the automatic insertion of connecting rod in spring elastic force under the action of connecting seat, realize the quick locking and unlocking of protective door, effectively prevent the protective door from opening accidentally in the operation process, enhance the safety protection of the operator, the setting of protective fence further strengthens the protection of the edge of operation platform, prevents the operator from falling accidentally and causing harm.

[0019] 2、The protection bench for steel structure plant modification, through the design of height lifting assembly, the height of the operation bench can be flexibly adjusted according to different operation requirements, not only improve the operation efficiency, but also make the protection bench can be suitable for more kinds of steel structure plant modification operation, enhance its versatility and adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the utility model Figure 1 It is a structure enlarged view of A in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the utility model;

[0023] Figure 4 It is a structural side view of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the utility model;

[0025] In the drawing: 1, bottom plate; 2, connecting frame; 3, operation bench; 4, protective rail; 5, protective door; 6, universal wheel; 7, support plate; 8, drive motor; 9, PLC controller; 10, fixed seat; 11, connecting seat; 12, connecting rod; 13, baffle; 14, limiting groove; 15, spring; 16, limiting column; 17, first belt pulley; 18, second belt pulley; 19, moving block; 20, conveyor belt; 21, rectangular groove. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not 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 protection scope of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0028] A protection bench for steel structure plant modification, including bottom plate 1, the top of bottom plate 1 is fixedly connected with connecting frame 2, the outer surface of connecting frame 2 is equipped with operation bench 3, the both sides outer surfaces of operation bench 3 are all fixedly connected with protective rail 4, the outer surfaces of two protective rail 4 are all rotatably connected with protective door 5, still include:

[0029] The locking assembly is located between the two protective doors 5, and is used for locking the two protective doors 5, thereby enhancing the safety.

[0030] The height lifting assembly is located on the outer surface of the connecting frame 2 and is connected with the operation table 3, and is used for changing the height of the operation table 3, thereby being applicable to the modification operation of the steel structure plant of different heights, and the locking of the two protective doors 5 on the outer side can further increase the safety, and the protective rail 4 can enhance the protection.

[0031] Further, the locking assembly comprises a fixing seat 10, a connecting seat 11, a connecting rod 12 and a baffle 13, the center of each of the two protective doors 5 is fixedly connected with the baffle 13, the outer surface of one of the baffles 13 is fixedly connected with the fixing seat 10, the inside of the fixing seat 10 is movably connected with the connecting rod 12, the outer surface of the other baffle 13 is fixedly connected with the connecting seat 11, the connecting rod 12 is inserted into the connecting seat 11, the hand is stretched out from the baffle 13, and then the limiting column 16 is moved from the vertical direction to the horizontal direction of the limiting groove 14, at this time, the connecting rod 12 is automatically inserted into the connecting seat 11 under the elastic force of the spring 15, and locking is realized.

[0032] Further, the outer surface of the fixing seat 10 is provided with the limiting groove 14, the inside of the fixing seat 10 is elastically connected with the spring 15, the spring 15 is located in the inside of the connecting rod 12, the outer surface of the connecting rod 12 is fixedly connected with the limiting column 16, the limiting column 16 is slidably connected with the limiting groove 14, and the limiting column 16 is located in the vertical direction of the limiting groove 14, at this time, the connecting rod 12 is located in the fixing seat 10, and the spring 15 is in a compressed state.

[0033] Further, the height lifting assembly comprises a support plate 7, a driving motor 8, a first belt pulley 17, a second belt pulley 18, a moving block 19 and a conveying belt 20, the outer surfaces of the two sides of the connecting frame 2 are rotatably connected with the first belt pulley 17 and the second belt pulley 18, the conveying belt 20 is sleeved between the first belt pulley 17 and the second belt pulley 18 located on the same side, the two first belt pulleys 17 are fixedly connected, the outer surface of the connecting frame 2 is fixedly connected with the support plate 7, the outer surface of the support plate 7 is fixedly installed with the driving motor 8, the output end of the driving motor 8 is fixedly connected with the first belt pulley 17 close to it, the outer surfaces of the two conveying belts 20 are fixedly sleeved with the moving block 19, and the two moving blocks 19 are fixedly connected with the operation table 3, the rotation of the driving motor 8 drives the first belt pulley 17 connected with it to rotate, since the two first belt pulleys 17 are fixedly connected, they rotate synchronously, power is transmitted to the second belt pulley 18 located on the other side through the transmission of the conveying belt 20, synchronous rotation is realized, and the conveying belt 20 operates.

[0034] Further, the outer surfaces of the two connecting frames 2 are each provided with a rectangular groove 21, and the two rectangular grooves 21 are in sliding connection with the corresponding moving blocks 19; the moving blocks 19, which are sleeved on the outer surface of the conveying belt 20, slide up or down along the rectangular grooves 21, thereby changing the height of the entire operation platform 3.

[0035] Further, the bottom plate 1 is provided, at the four corners of the bottom, with four universal wheels 6 which are identical in structure; the four universal wheels 6, which are installed at the bottom of the bottom plate 1, facilitate the movement and positioning of the entire protection rack.

[0036] Further, the inner wall of the operation platform 3 is fixedly provided with a PLC controller 9, and the driving motor 8 is controlled by the PLC controller 9; the PLC controller 9 can receive instructions and control the start and stop of the driving motor 8, so as to accurately adjust the height of the operation platform 3.

[0037] Working principle: when the staff needs to use the protection rack for the steel structure plant modification, and needs to adjust the height of the operation platform 3 to adapt to different working heights, the driving motor 8 on the support plate 7 is started by the PLC controller 9; the rotation of the driving motor 8 drives the first belt pulley 17 connected thereto to rotate; since the two first belt pulleys 17 are fixedly connected, they rotate synchronously; through the transmission of the conveying belt 20, power is transmitted to the second belt pulley 18 on the other side to realize synchronous rotation; with the operation of the conveying belt 20, the moving block 19, which is sleeved on the outer surface of the conveying belt 20, slides up or down along the rectangular groove 21, thereby changing the height of the entire operation platform 3; since the two moving blocks 19 move simultaneously, the stable lifting of the operation platform 3 on the outer surface of the connecting frame 2 is ensured; when the operation platform 3 reaches the required height, the driving motor 8 is turned off by the PLC controller 9, so that the operation platform 3 remains at the current height; in the initial state, the two protective doors 5 are in the open state, and the limiting column 16 is located in the vertical direction of the limiting groove 14; at this time, the connecting rod 12 is located in the fixed seat 10, and the spring 15 is in the compressed state; when the operator enters the operation platform 3 and needs to close the two protective doors 5 to enhance safety, manually rotate the protective door 5 until the two baffles 13 are close to each other, then stretch the hand out from the baffle 13 and then move the limiting column 16 from the vertical direction of the limiting groove 14 to the horizontal direction; at this time, the connecting rod 12 automatically inserts into the connecting seat 11 under the elastic force of the spring 15, thereby achieving locking; when the protective door 5 needs to be opened, the limiting column 16 is moved from the horizontal direction of the limiting groove 14 to the vertical direction, so that the connecting rod 12 is pulled out of the connecting seat 11, thereby easily unlocking and opening the protective door 5; locking the two protective doors 5 on the outside can further increase safety, and the setting of the protective rail 4 can enhance protection; the four universal wheels 6, which are installed at the bottom of the bottom plate 1, facilitate the movement and positioning of the entire protection rack, thereby improving the flexibility of use.

[0038] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A protection rack for the modification of a steel structure factory building, comprising a bottom plate (1), the top of the bottom plate (1) is fixedly connected with a connecting frame (2), characterized in that: The outer surface of the connecting frame (2) is provided with an operation table (3), both sides of the outer surface of the operation table (3) are fixedly connected with protective railings (4), the outer surfaces of the two protective railings (4) are rotatably connected with protective doors (5), and the operation table (3) is connected with a height lifting assembly located on the outer surface of the connecting frame (2). The lock assembly is located between the two protective doors (5) and is used for locking the two protective doors (5) to enhance safety. The lock assembly comprises a fixed seat (10), a connecting seat (11), a connecting rod (12) and a baffle (13), the centers of the two protective doors (5) are fixedly connected with baffles (13), the outer surface of one of the baffles (13) is fixedly connected with a fixed seat (10), the inside of the fixed seat (10) is movably connected with a connecting rod (12), the outer surface of the other baffle (13) is fixedly connected with a connecting seat (11), and the connecting rod (12) is inserted into the connecting seat (11).

2. A protective staging for use in the conversion of a steel-framed industrial building according to claim 1, characterised in that: The outer surface of the fixed seat (10) is provided with a limiting groove (14), the inside of the fixed seat (10) is elastically connected with a spring (15), the spring (15) is located in the inside of the connecting rod (12), the outer surface of the connecting rod (12) is fixedly connected with a limiting column (16), and the limiting column (16) is slidably connected with the limiting groove (14).

3. A protective staging for the conversion of a steel-framed industrial building according to claim 2, characterised in that: The height lifting assembly comprises a support plate (7), a driving motor (8), a first belt pulley (17), a second belt pulley (18), a moving block (19) and a conveying belt (20), the outer surfaces of the two sides of the connecting frame (2) are rotatably connected with the first belt pulley (17) and the second belt pulley (18), the conveying belt (20) is sleeved between the first belt pulley (17) and the second belt pulley (18) located on the same side, the two first belt pulleys (17) are fixedly connected, the outer surface of the connecting frame (2) is fixedly connected with a support plate (7), the outer surface of the support plate (7) is fixedly installed with a driving motor (8), the output end of the driving motor (8) is fixedly connected with the first belt pulley (17) close to it, the outer surfaces of the two conveying belts (20) are fixedly sleeved with moving blocks (19), and the two moving blocks (19) are fixedly connected with the operation table (3).

4. A protective staging for use in the conversion of a steel-framed industrial building according to claim 1, characterised in that: The outer surfaces of the two connecting frames (2) are provided with rectangular grooves (21), and the two rectangular grooves (21) are slidably connected with the corresponding moving blocks (19).

5. A protective gantry for retrofitting a steel-framed industrial building according to claim 4, characterised in that: The bottom plate (1) is fixedly installed with four universal wheels (6) at the bottom corners.

6. A protective staging for use in the conversion of a steel-framed industrial building according to claim 1, characterised in that: The inner wall of the operation table (3) is fixedly installed with a PLC controller (9), and the driving motor (8) is controlled by the PLC controller (9).

7. A protective staging for use in the conversion of a steel-framed industrial building according to claim 4, characterised in that: ​

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