High-stability distribution network operation and maintenance frame
Through the design of assembled brackets and universal wheels, the problem of loose lifting maintenance frames is solved, and a high stability and safety maintenance frame is achieved, reducing maintenance costs.
Patent Information
- Application Number
- CN202421546579.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing lifting maintenance rack will loosen when it is repeatedly lifted and lowered, resulting in unstability, requiring regular maintenance and maintenance, and affecting normal use, which is costly.
It adopts the assembly bracket structure and uses a connecting sleeve for assembly, instead of the electric lifting structure, combined with universal wheels and anti-slip plates, to achieve free assembly and stable movement, and to improve safety through pedal locking and guardrails.
It improves the stability and safety of the maintenance rack, avoids loosening problems, reduces maintenance costs, and enhances the stability and safety guarantee of use.
Smart Images

Figure CN223167913U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of distribution network operation and maintenance, and particularly relates to a distribution network operation and maintenance inspection rack with high stability. Background Technique
[0002] In today's society, electricity has become one of the indispensable energy sources for people's daily life and industrial production. With the improvement of the current basic power grid, the distribution network operation and maintenance of the power grid is even more crucial, and the distribution network operation and maintenance of the power grid is a key factor to ensure the smooth operation of electricity.
[0003] When performing distribution network operation and maintenance for electricity, sometimes an inspection rack is needed for working in high-altitude areas. Although the existing inspection racks are liftable, the lifting structure will become loose when repeatedly moving up and down, which will cause instability. Therefore, it is necessary to regularly inspect and maintain the lifting structure, which will incur relatively high costs for maintenance and may affect normal use. Content of the Utility Model
[0004] The purpose of the utility model is to provide a distribution network operation and maintenance inspection rack with high stability, so as to solve the problem that the lifting structure will become loose when repeatedly moving up and down as mentioned in the above background technique, which will cause instability, and it is necessary to regularly inspect and maintain the lifting structure, resulting in relatively high costs for maintenance and may affect normal use.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A distribution network operation and maintenance inspection rack with high stability, including a plurality of assembled brackets arranged in sequence from bottom to top. Each assembled bracket includes four upright rods. A cross bar is fixed between two upright rods on the same side front and back. A universal wheel is fixedly installed at the bottom end of the upright rod at the lowermost position. A support plate is fixedly installed between two upright rods on the same side left and right at the lowermost position. A threaded rod is installed on the support plate in a threaded manner. A handle and a rotating shaft are respectively fixedly installed at the top end and the bottom end of the threaded rod. An anti-slip plate is rotatably installed at the bottom end of the rotating shaft. A connecting sleeve is detachably installed between two adjacent upright rods up and down. A pedal is movably arranged between two cross bars at the uppermost position. A guardrail is fixedly installed on the upper surface of the pedal.
[0006] With the above solution, by setting a number of assembly brackets and using a connecting sleeve to assemble the adjacent upper and lower assembly brackets, it replaces the use of an electric lifting structure, avoiding the problem of reduced stability after repeated use of the electric lifting structure. Moreover, it can be freely assembled according to the height, with good assembly stability and not easy to loosen. By using the anti-slip plate in cooperation with the universal wheels, when moving is needed, the anti-slip plate is separated from the ground and the universal wheels are used for movement. When moving is not needed, the anti-slip plate contacts the ground, playing a good supporting and protective effect and further improving the use stability. By setting the pedal in cooperation with the fixing rod and fixing nut, using the arc groove to engage with the cross bar, passing the fixing rod through the through hole and screwing it with the fixing nut, the position of the pedal is locked, which can not only prevent the pedal from moving around but also ensure the stable installation of the pedal. In addition, by using the guardrail in cooperation with the movable door, it can protect the staff on the pedal and improve the safety guarantee.
[0007] As a preferred embodiment, a number of reinforcing frames are provided between two of the column rods on the same left and right side. A fixing block is movably arranged at the end of the reinforcing frame, and a first pin is inserted between the reinforcing frame and the fixing block. The fixing block is fixed on the outer surface of the column rod at the corresponding position.
[0008] With the above solution, by using the arrangement of the reinforcing frame in cooperation with the fixing block and the first pin, the reinforcing frame is assembled with the fixing block on the column rod through the first pin, and thus the column rods on the same left and right side can be strengthened and connected, improving the overall structural stability of the assembly bracket and preventing shaking and loosening.
[0009] As a preferred embodiment, a number of telescopic rods are fixedly installed on the lower surface of the support plate, and the bottom ends of the telescopic rods are fixedly connected to the upper surface of the anti-slip plate.
[0010] With the above solution, when the threaded rod rotates to drive the anti-slip plate to move up and down, the telescopic rods will synchronously expand and contract following the up and down movement of the anti-slip plate. The telescopic rods are used to support and guide the movement of the anti-slip plate, improving the movement stability and preventing shaking.
[0011] As a preferred embodiment, slots are opened at both the upper and lower ends of the connecting sleeve. The end of the column rod is inserted into the inner wall of the slot. At the positions on the outer surface of the connecting sleeve opposite to the two slots, second pins are inserted, and the end of the column rod is provided with insertion holes for the second pins to be inserted.
[0012] With the above solution, by using the second pin in cooperation with the connecting sleeve, after the column rod is inserted into the slot on the connecting sleeve, the insertion of the second pin can achieve the assembly and locking of the connecting sleeve and the column rod. The locking structure is simple, the operation is convenient, and the stability is good.
[0013] As a preferred embodiment, arc-shaped grooves are formed on both sides of the lower surface of the pedal, and the arc-shaped grooves are used in cooperation with the cross bars at corresponding positions. A plurality of fixing rods are fixed on the inner wall of the arc-shaped grooves. A plurality of through holes are formed in the cross bars, and the fixing rods pass through the through holes. The outer surface of the fixing rod has threads and a fixing nut is threadedly installed thereon. The fixing nut is fitted and arranged on the outer surface of the cross bar.
[0014] With the above solution, the arc-shaped groove is used in cooperation with the cross bar for clamping, and the fixing rod passes through the through hole and is used in cooperation with the fixing nut to be screwed on, so as to realize the position locking of the pedal, which can not only prevent the pedal from moving around, but also ensure the stable installation of the pedal.
[0015] As a preferred embodiment, an opening is formed on the side surface of the guardrail, and two movable doors are hingedly installed at the opening position. A locking sleeve is fixedly installed on the side surface of the movable door, and a third bolt is inserted between the two locking sleeves.
[0016] With the above solution, the arrangement of the movable door facilitates the staff to get on and off the pedal. The locking sleeve is used in cooperation with the third bolt to lock the rotatably closed movable door, which is convenient for operation.
[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0018] By arranging a plurality of assembling brackets, the high-stability power distribution operation and maintenance inspection rack uses a connecting sleeve to assemble the upper and lower adjacent assembling brackets, replacing the use of an electric lifting structure, avoiding the problem of reduced stability after multiple uses of the electric lifting structure, and can be freely assembled according to the height. The assembling stability is good, and it is not easy to loosen. Moreover, the anti-slip plate is used in cooperation with the universal wheels. When moving is needed, the anti-slip plate is separated from the ground and the universal wheels are used for moving. When moving is not needed, the anti-slip plate is in contact with the ground, playing a good supporting and protecting effect and further improving the use stability;
[0019] The high-stability power distribution operation and maintenance inspection rack uses a pedal in cooperation with fixing rods and fixing nuts. The arc-shaped groove is used in cooperation with the cross bar for clamping, and the fixing rod passes through the through hole and is used in cooperation with the fixing nut to be screwed on, so as to realize the position locking of the pedal, which can not only prevent the pedal from moving around, but also ensure the stable installation of the pedal. Moreover, the guardrail is used in cooperation with the movable door to protect the staff on the pedal and improve the safety guarantee. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 is a schematic structural diagram of the present utility model;
[0021] Figure 2 is a schematic structural diagram of the assembling bracket of the present utility model;
[0022] Figure 3 This is a schematic structural view of the support plate of the present utility model;
[0023] Figure 4 This is a schematic structural view of the connecting sleeve of the present utility model;
[0024] Figure 5 This is a schematic structural view of the pedal of the present utility model;
[0025] Figure 6 This is a schematic structural view of the guardrail of the present utility model;
[0026] Figure 7 This is the present utility model Figure 6 The enlarged schematic structural view at position A in.
[0027] In the figure: 1, assembling bracket; 2, column rod; 3, cross bar; 4, universal wheel; 5, support plate; 6, threaded rod; 7, rotating shaft; 8, anti-slip plate; 9, connecting sleeve; 10, pedal; 11, guardrail; 12, fixing block; 13, reinforcing frame; 14, bolt one; 15, telescopic rod; 16, bolt two; 17, fixing rod; 18, fixing nut; 19, movable door; 20, locking sleeve; 21, bolt three. Specific implementation manners
[0028] Please refer to Figures 1-7 , the present utility model provides a high-stability power distribution operation and maintenance inspection rack, which includes a plurality of assembling brackets 1 arranged in sequence from bottom to top. The assembling bracket 1 includes four column rods 2, and cross bars 3 are fixed between two column rods 2 on the same side of the front and back. Universal wheels 4 are fixedly installed at the bottom ends of the column rods 2 at the lowermost position. Support plates 5 are fixedly installed between two column rods 2 on the same side of the left and right at the lowermost position. Threaded rods 6 are installed on the support plates 5 by threads. Handles and rotating shafts 7 are respectively fixedly installed at the top and bottom ends of the threaded rod 6. Anti-slip plates 8 are rotatably installed at the bottom ends of the rotating shafts 7. Connecting sleeves 9 are detachably installed between two adjacent column rods 2 up and down. A pedal 10 is movably arranged between two cross bars 3 at the uppermost position. A guardrail 11 is fixedly installed on the upper surface of the pedal 10.
[0029] Adopting the above solution, by setting several assembling brackets 1 and using the connecting sleeve 9 to assemble the adjacent upper and lower assembling brackets 1, it replaces the use of an electric lifting structure, avoiding the problem of reduced stability after repeated use of the electric lifting structure. Moreover, it can be freely assembled according to the height, with good assembling stability and not easy to loosen. And by using the anti-slip plate 8 in cooperation with the universal wheels 4, when it needs to be moved, the anti-slip plate 8 is disengaged from the ground and the universal wheels 4 are used for movement. When it does not need to be moved, the anti-slip plate 8 contacts the ground, playing a good supporting and protective effect and further improving the use stability. By setting the pedal 10 in cooperation with the fixing rod 17 and the fixing nut 18, using the arc-shaped groove to engage with the cross bar 3, and passing the fixing rod 17 through the through hole and screwing on the fixing nut 18 for use, the position of the pedal 10 is locked. This can not only prevent the pedal 10 from moving around but also ensure the stable installation of the pedal 10. And by using the guardrail 11 in cooperation with the movable door 19, it can protect the staff on the pedal 10 and improve the safety guarantee.
[0030] A number of reinforcing frames 13 are arranged between the two column rods 2 on the same side left and right. The end of the reinforcing frame 13 is movably provided with a fixing block 12. A first pin 14 is inserted between the reinforcing frame 13 and the fixing block 12. The fixing block 12 is fixed on the outer surface of the corresponding column rod 2. By using the arrangement of the reinforcing frame 13 in cooperation with the fixing block 12 and the first pin 14, the reinforcing frame 13 is assembled with the fixing block 12 on the column rod 2 through the first pin 14. Thus, the column rods 2 on the same side left and right can be strengthened and connected, improving the overall structural stability of the assembling bracket 1 and preventing shaking and loosening.
[0031] A number of telescopic rods 15 are fixedly installed on the lower surface of the support plate 5. The bottom end of the telescopic rod 15 is fixedly connected to the upper surface of the anti-slip plate 8. When the threaded rod 6 rotates to drive the anti-slip plate 8 to move up and down, the telescopic rod 15 will synchronously expand and contract following the up and down movement of the anti-slip plate 8. The telescopic rod 15 is used to support and guide the movement of the anti-slip plate 8, improving the movement stability and preventing shaking.
[0032] Slots are provided at both the upper and lower ends of the connecting sleeve 9. The end of the column rod 2 is inserted into the inner wall of the slot. At the positions on the outer surface of the connecting sleeve 9 opposite to the two slots, second pins 16 are inserted. A jack for inserting the second pin 16 is provided at the end of the column rod 2. By using the second pin 16 in cooperation with the connecting sleeve 9, after the column rod 2 is inserted into the slot on the connecting sleeve 9, the insertion of the second pin 16 can achieve the assembling and locking of the connecting sleeve 9 and the column rod 2. The locking structure is simple, the operation is convenient, and the stability is good.
[0033] Arc-shaped grooves are formed on both sides of the lower surface of the pedal 10, and the arc-shaped grooves are used in cooperation with the cross bars 3 at corresponding positions. A number of fixing rods 17 are fixed on the inner wall of the arc-shaped grooves. A number of through holes are formed in the cross bars 3. The fixing rods 17 pass through the through holes. The outer surface of the fixing rod 17 has threads and a fixing nut 18 is installed by threading. The fixing nut 18 is attached to the outer surface of the cross bar 3. The arc-shaped groove is used in cooperation with the cross bar 3 for clamping. The fixing rod 17 passes through the through hole and is used in cooperation with the fixing nut 18 to be screwed on, so as to realize the position locking of the pedal 10, which can not only prevent the pedal 10 from moving around, but also ensure the stable installation of the pedal 10.
[0034] The side of the guardrail 11 has an opening, and two movable doors 19 are hinged and installed at the opening position. A locking sleeve 20 is fixedly installed on the side of the movable door 19. A third bolt 21 is inserted between the two locking sleeves 20. The arrangement of the movable door 19 facilitates the staff to get on and off the pedal 10. The locking sleeve 20 is used in cooperation with the third bolt 21 to lock the rotatably closed movable door 19, which is convenient for operation.
[0035] During use, first select an appropriate number of assembling brackets 1 according to the working height requirements for assembly. During assembly, the upper and lower opposite upright rods 2 are inserted into the connecting sleeve 9, and a second bolt 16 is inserted for locking to complete the assembly. After assembly, the pedal 10 is placed on the cross bar 3 at the uppermost position, and the fixing rod 17 is passed through the through hole, and the fixing nut 18 is screwed on to complete the installation of the pedal 10. When it needs to be moved, it is carried out through the universal wheels 4. After moving to the location, the universal wheels 4 are locked, and the handle is rotated to drive the threaded rod 6 to drive the rotating shaft 7 to rotate, and then drive the anti-slip plate 8 to move downward so that the anti-slip plate 8 contacts the ground. The staff can climb through the cross bar 3. After climbing to the position where the pedal 10 is located, the third bolt 21 is pulled out to unlock the movable door 19 and rotated to open it. After entering the guardrail 11, the movable door 19 is rotated to close and the third bolt 21 is inserted for locking.
Claims
1. A high-stability distribution network operation and maintenance inspection rack, characterized in that: It includes a number of assembled brackets (1), and several of the assembled brackets (1) are arranged in sequence from bottom to top. The assembled bracket (1) includes four upright rods (2). A cross bar (3) is fixed between two upright rods (2) on the same side in the front and back. A universal wheel (4) is fixedly installed at the bottom end of the upright rod (2) at the lowermost position. A support plate (5) is fixedly installed between two upright rods (2) on the same side on the left and right at the lowermost position. A threaded rod (6) is threadedly installed on the support plate (5). A handle and a rotating shaft (7) are respectively fixedly installed at the top end and the bottom end of the threaded rod (6). An anti-slip plate (8) is rotatably installed at the bottom end of the rotating shaft (7). A connecting sleeve (9) is detachably installed between two adjacent upright rods (2) up and down. A pedal (10) is movably arranged between the two cross bars (3) at the uppermost position. A guardrail (11) is fixedly installed on the upper surface of the pedal (10).
2. The high-stability distribution network operation and maintenance inspection rack according to claim 1, characterized in that: A number of reinforcing frames (13) are arranged between two upright rods (2) on the same side on the left and right. A fixing block (12) is movably arranged at the end of the reinforcing frame (13). A first pin (14) is inserted between the reinforcing frame (13) and the fixing block (12). The fixing block (12) is fixed on the outer surface of the corresponding upright rod (2).
3. The high-stability distribution network operation and maintenance inspection rack according to claim 1, wherein: A number of telescopic rods (15) are fixedly installed on the lower surface of the support plate (5). The bottom end of the telescopic rod (15) is fixedly connected to the upper surface of the anti-slip plate (8).
4. The high-stability distribution network operation and maintenance inspection rack according to claim 1, characterized in that: Slots are provided at both the upper and lower ends of the connecting sleeve (9). The end of the upright rod (2) is inserted into the inner wall of the slot. Second pins (16) are inserted at positions on the outer surface of the connecting sleeve (9) corresponding to the two slots. A jack for inserting the second pin (16) is provided at the end of the upright rod (2).
5. The high-stability distribution network operation and maintenance inspection rack according to claim 1, wherein: Arc-shaped grooves are provided on both sides of the lower surface of the pedal (10), and the arc-shaped grooves cooperate with the corresponding cross bars (3). A number of fixing rods (17) are fixed on the inner wall of the arc-shaped grooves. A number of through holes are provided on the cross bar (3). The fixing rods (17) pass through the through holes. Threads are provided on the outer surface of the fixing rods (17), and fixing nuts (18) are threadedly installed. The fixing nuts (18) are arranged in contact with the outer surface of the cross bar (3).
6. The high-stability distribution network operation and maintenance inspection rack according to claim 1, wherein: An opening is provided on the side of the guardrail (11), and two movable doors (19) are hinged at the opening position. A locking sleeve (20) is fixedly installed on the side of the movable door (19). A third pin (21) is inserted between the two locking sleeves (20).