A kind of electric power construction laying device
By designing a power construction and wiring device including cable reels, multi-form rotary frames, vertical shafts, support frames and guide components, the construction difficulties caused by the heavy weight of the cable reels are solved, and flexible wiring and efficient construction of the cable reels are realized.
Patent Information
- Application Number
- CN202411709550.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2044-11-27
AI Technical Summary
During power construction, the cable tray is large in diameter and heavier in weight, which leads to difficulties in lifting and placement, affects construction costs and progress, and poses great safety hazards.
A power construction wire laying device is designed, including cable reels, multi-form rotary frames, vertical shafts, support frames and guide components. Through the combination of these components, the flexible use of the cable reel in a flat or vertical state is achieved, and the guide and limit of the cable are achieved through the connection of the conduit and the cable.
This device enables cable reels to be placed without a crane, which improves construction efficiency, reduces construction costs, and reduces safety hazards.
Smart Images

Figure CN119190953B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of electric power construction, in particular to an electric power construction laying-out device. Background Art
[0002] Cables are usually wound on cable drums. Currently in the process of power construction, the cable drums are large in diameter and heavy in weight, so it is troublesome to lift the cable drums. It is difficult to lift the rotating shaft with the cable drums onto the pay-off frame by manpower, which directly affects the cost and progress of the construction. At the same time, there are great safety hazards. When in use, the cable drum is installed on the cable pay-off vehicle, and the traction device pulls the cable pay-off vehicle to the target position for pay-off. In places where the road is narrow, the crane cannot enter, which brings great inconvenience to the construction. Summary of the invention
[0003] The present invention provides a power construction laying-out device, which solves the problems raised by the above-mentioned background technology.
[0004] The present invention provides the following technical solution: an electric power construction line-laying device, comprising a cable reel, a multi-form rotating frame being clamped on the inner wall of the cable reel, a vertical shaft being fixedly mounted on the inner wall at the center of the multi-form rotating frame, a support frame being sleeved on the end of the vertical shaft, a guide component being fixedly mounted on the outer wall of the support frame, and an attachment bracket being rotatably connected to the inner wall of one side of the support frame.
[0005] As a preferred technical solution of the present invention: the support frame includes a shaft body, one end of the shaft body is fixedly equipped with a clamping plate 1, the other end of the shaft body is fixedly equipped with a clamping plate 2, a side of the clamping plate 2 away from the shaft body is fixedly equipped with a collar, and an outer wall of the clamping plate 2 is provided with a slot;
[0006] The support frame is sleeve-connected with the end of the vertical shaft through a clamping plate and a sleeve ring.
[0007] As a preferred technical solution of the present invention: the attachment bracket includes a rotating plate 1, the rotating plate 1 is rotatably connected to a rotating plate 2 on a side away from the shaft, the outer wall of the rotating plate 2 is fixedly equipped with a support block, the top inner wall of the rotating plate 1 is rotatably sleeved with a steel ball, and the inner wall of the rotating plate 2 close to the shaft is sleeved with a latch;
[0008] The attachment bracket is rotatably connected to the shaft body through an end of a rotating plate close to the shaft body, and the latch is matched with the inner wall of the slot.
[0009] As a preferred technical solution of the present invention: the guide component includes a conduit sleeved on the cable surface of the outer wall of the cable reel, the outer wall of the conduit is fixedly equipped with a connecting frame, and the connecting frame is sleeved on the outer wall of the shaft through bolts.
[0010] As a preferred technical solution of the present invention: the multi-form rotating frame includes a telescopic rod 1, both ends of the telescopic rod 1 are rotatably connected to V-shaped wheels, and the outer wall of the telescopic rod 1 is rotatably connected to a plug-in telescopic rod;
[0011] The multi-form rotating frame also includes a second telescopic rod and a connecting telescopic rod.
[0012] As a preferred technical solution of the present invention: the connecting telescopic rod includes a bolt rod and a telescopic rod three, and the opposite ends of the bolt rod and the telescopic rod three are threadedly connected through a threaded pipe.
[0013] As a preferred technical solution of the present invention: the V-shaped wheel includes a wheel body, a V-shaped groove is opened on the middle outer wall of the wheel body, a plurality of installation grooves are opened in an annular manner on the end outer wall of the wheel body, and a barbed plate is rotatably connected to the inner wall of the installation groove.
[0014] As a preferred technical solution of the present invention: there are three groups of telescopic rods 1, and the three groups of telescopic rods 1 are rotationally connected through telescopic rod 2, and the ends of the two groups of telescopic rods 1 located on both sides are rotationally connected to the bolt rod and telescopic rod 3 respectively.
[0015] As a preferred technical solution of the present invention: the vertical axis includes a telescopic rod four, the bottom telescopic end of the telescopic rod four is rotatably connected to the bottom plate, the top of the telescopic rod four is fixedly equipped with a connecting shaft, and the outer walls at both ends of the connecting shaft are provided with abutment grooves corresponding to the plug-in telescopic rod, and both sides of the abutment groove are fixedly equipped with limit plates.
[0016] The present invention has the following beneficial effects:
[0017] 1. The power construction line-laying device is threadedly connected through a bolt rod and a telescopic rod three through a threaded pipe, so that the three sets of telescopic rods one are connected through a telescopic rod two and a connecting telescopic rod, so that the three sets of telescopic rods one can achieve two state changes, thereby realizing the use of a suitable cable reel in a flat or upright state, and the cable reel can be paid out by using the main body of the equipment. Compared with traditional equipment, it does not need to use a crane for operation and placement, which further improves the construction efficiency.
[0018] 2. The power construction laying device is connected with the bottom plate through the gap between the cable reel and the ground by the second clamping plate, and the first clamping plate is connected with the top of the connecting shaft, and the conduit and the cable are connected, and the conduit is used to guide the expansion direction of the cable, and the conduit is used to limit the cable at the same time to avoid the problem of misalignment when the cable is expanded. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the cable reel in a flat position;
[0020] Figure 2 is a schematic diagram of a cable reel;
[0021] Figure 3 This is a schematic diagram of the support structure of the present invention;
[0022] Figure 4 It is a schematic diagram of the structure of the multi-form rotating frame of the present invention;
[0023] Figure 5 This is a schematic diagram of a multi-form rotating rack;
[0024] Figure 6 It is a schematic diagram of another state of the multi-form rotating rack of the present invention;
[0025] Figure 7 This is a schematic diagram of the V-shaped wheel structure of the present invention;
[0026] Figure 8 This is a schematic diagram of the structure of the plug-in telescopic rod of the present invention;
[0027] Fig. 9 It is a schematic diagram of the vertical shaft structure of the present invention.
[0028] In the figure: 1. Multi-form rotating frame; 2. Support frame; 3. Attachment bracket; 4. Guide component; 5. Cable reel; 6. Vertical shaft;
[0029] 101, telescopic rod 1; 102, V-shaped wheel; 103, plug-in telescopic rod; 104, telescopic rod 2; 105, connecting telescopic rod;
[0030] 1021, wheel body; 1022, V-shaped groove; 1023, mounting groove; 1024, barb plate;
[0031] 1051, bolt rod; 1052, telescopic rod three;
[0032] 201, shaft body; 202, clamping plate 1; 203, clamping plate 2; 204, collar; 205, slot;
[0033] 301, rotating plate 1; 302, rotating plate 2; 303, supporting block; 304, steel ball; 305, latch;
[0034] 401, catheter; 402, connecting frame;
[0035] 601, telescopic rod four; 602, bottom plate; 603, connecting shaft; 604, limiting plate; 605, abutting groove. DETAILED DESCRIPTION
[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0037] See also Figure 1 - Fig. 9 A power construction laying device includes a cable reel 5, a multi-form rotating frame 1 is clamped on the inner wall of the cable reel 5, a vertical shaft 6 is fixedly installed on the inner wall at the center of the multi-form rotating frame 1, a support frame 2 is sleeved on the end of the vertical shaft 6, a guide component 4 is fixedly installed on the outer wall of the support frame 2, and an attachment bracket 3 is rotatably connected to the inner wall of one side of the support frame 2.
[0038] In a preferred embodiment, the support frame 2 includes a shaft 201, one end of the shaft 201 is fixedly equipped with a clamping plate 202, the other end of the shaft 201 is fixedly equipped with a clamping plate 203, a side of the clamping plate 203 away from the shaft 201 is fixedly equipped with a collar 204, and the outer wall of the clamping plate 203 is provided with a slot 205;
[0039] The support frame 2 is sleeved with the end of the vertical shaft 6 through a clamping plate 202 and a collar 204 .
[0040] In the above structure, the support frame 2 is used to support the opposing shaft 6 , and the guide component 4 is fixedly assembled by the support frame 2 .
[0041] In a preferred embodiment, the attachment bracket 3 includes a rotating plate 1 301, a rotating plate 2 302 is rotatably connected to the rotating plate 1 301 away from the shaft 201, a supporting block 303 is fixedly mounted on the outer wall of the rotating plate 2 302, a steel ball 304 is rotatably sleeved on the top inner wall of the rotating plate 1 301, and a latch 305 is sleeved on the inner wall of the rotating plate 2 302 close to the shaft 201;
[0042] The attachment bracket 3 is rotatably connected to the shaft body 201 through one end of the rotating plate 1 301 close to the shaft body 201 , and the latch 305 is adapted to the inner wall of the slot 205 .
[0043] In the above structure, the attachment bracket 3 and the support frame 2 are rotatably connected. When the cable reel 5 is in a flat state, the attachment bracket 3 is rotated out so that the steel ball 304 fits with the bottom outer wall of the cable reel 5. The angle between the attachment bracket 3 and the support frame 2 and the contact area between the attachment bracket 3 and the support frame 2 and the ground are utilized to support the cable reel 5. By providing the steel ball 304, the cable reel 5 and the attachment bracket 3 can be rotated through the steel ball 304, thereby reducing the friction between the cable reel 5 and the attachment bracket 3.
[0044] When the cable reel 5 is in an upright state, the support frame 2 is sleeved on the outer wall of the guide component 4 through the vertical shaft 6, and the attachment bracket 3 is rotated so that the end of the rotating plate 2 302 away from the shaft body 201 is in contact with the ground, and the end of the rotating plate 202 close to the shaft body 201 is clamped with the inner wall of the slot 205 through the pin 305, so that the rotating plate 2 302 can achieve three-dimensional support for the support frame 2.
[0045] In a preferred embodiment, the guide component 4 includes a guide tube 401 sleeved on the cable surface of the outer wall of the cable reel 5, and the outer wall of the guide tube 401 is fixedly equipped with a connecting frame 402, which is sleeved on the outer wall of the shaft body 201 through bolts.
[0046] In the above structure, the conduit 401 and the cable are sleeved together, and the conduit 401 is used to guide the deployment direction of the cable. At the same time, the conduit 401 is used to limit the cable to avoid the problem of misalignment when the cable is deployed.
[0047] In a preferred embodiment: the multi-form rotating frame 1 includes a telescopic rod 101, both ends of the telescopic rod 101 are rotatably connected to V-shaped wheels 102, and the outer wall of the telescopic rod 101 is rotatably connected to a plug-in telescopic rod 103;
[0048] The multi-shaped rotating frame 1 further includes a second telescopic rod 104 and a connecting telescopic rod 105 .
[0049] In a preferred embodiment, the connecting telescopic rod 105 includes a bolt rod 1051 and a telescopic rod 1052, and the opposite ends of the bolt rod 1051 and the telescopic rod 1052 are threadedly connected through a threaded pipe.
[0050] In the above structure, the opposite ends of the bolt rod 1051 and the telescopic rod three 1052 are threadedly connected through a threaded pipe, so that the two sets of telescopic rods 101 can be connected and separated by connecting the telescopic rod 105.
[0051] In a preferred embodiment: the V-shaped wheel 102 includes a wheel body 1021, a V-shaped groove 1022 is formed on the middle outer wall of the wheel body 1021, a plurality of mounting grooves 1023 are formed in an annular manner on the end outer wall of the wheel body 1021, and a barbed plate 1024 is rotatably connected to the inner wall of the mounting groove 1023.
[0052] In a preferred embodiment, there are three groups of telescopic rods 101, and the three groups of telescopic rods 101 are rotatably connected through telescopic rod 2 104, and the ends of the two groups of telescopic rods 101 on both sides are rotatably connected to the bolt rod 1051 and the telescopic rod 3 1052 respectively.
[0053] In the above structure, the bolt rod 1051 and the telescopic rod 3 1052 are threadedly connected through a threaded pipe, so that the three groups of telescopic rods 101 are connected through the telescopic rod 2 104 and the connecting telescopic rod 105, and after the connection, the three groups of telescopic rods 101 are arranged in a herringbone shape. In this state, the vertical axis 6 is placed on the inner wall of the multi-form rotating frame 1, and the plurality of plug-in telescopic rods 103 and the vertical axis 6 that are rotatably connected to the outer wall of the three groups of telescopic rods 101 are plugged and fixedly assembled, and then the multi-form rotating frame 1 is placed on the inner wall of the cable reel 5, and the controller is used to control the rotation of the plurality of telescopic rods 103 and the vertical axis 6. Control the telescopic rod 2 104 and the telescopic rod 3 1052 to operate, so that the telescopic rod 2 104 and the telescopic rod 3 1052 respectively push the V-shaped wheel 102 to fit the inner wall of the cable reel 5 through the three sets of telescopic rods 1 101, and at the same time control the plug-in telescopic rod 103 to extend and retract, so that the plug-in telescopic rod 103 and the vertical shaft 6 remain plugged, and control the vertical shaft 6 to rise and fall, so that the cable reel 5 is separated from the ground through the multi-form rotating frame 1 and the vertical shaft 6, and the cable reel 5 is rotatable through the vertical shaft 6, thereby realizing the cable reel 5 The wire-releasing operation;
[0054] When the vertical shaft 6 drives the multi-form turntable 1 to be raised or lowered at the cable reel 5, since the telescopic rod 2 104 and the telescopic rod 3 1052 respectively push the V-shaped wheel 102 to fit the inner wall of the cable reel 5 through the three groups of telescopic rods 1 101, when the vertical shaft 6 drives the multi-form turntable 1 to rise, under the influence of the gravity of the cable reel 5, the inner wall of the cable reel 5 and the barb plate 1024 are plugged into each other, thereby increasing the friction between the V-shaped wheel 102 and the cable reel 5, thereby preventing the multi-form turntable 1 and the cable reel 5 from separating.
[0055] In a preferred embodiment: the vertical axis 6 includes a telescopic rod 601, the bottom telescopic end of the telescopic rod 601 is rotatably connected to the bottom plate 602, the top of the telescopic rod 601 is fixedly equipped with a connecting shaft 603, and the outer walls at both ends of the connecting shaft 603 are provided with abutment grooves 605 corresponding to the plug-in telescopic rod 103, and both sides of the abutment groove 605 are fixedly equipped with limit plates 604.
[0056] In the above structure, the position of the plug-in telescopic rod 103 is limited by the limit plate 604, and the plug-in fixation of the plug-in telescopic rod 103 and the vertical shaft 6 is realized by the abutment groove 605, so that the installation between the plug-in telescopic rod 103 and the vertical shaft 6 is simplified, and by setting the telescopic rod four 601, the vertical shaft 6 drives the cable reel 5 to be raised and lowered through the multi-form rotating frame 1, and the design of the rotational connection between the telescopic rod four 601 and the bottom plate 602 is utilized, so that after the cable reel 5 is separated from the ground, the force required for the rotation of the cable reel 5 is reduced.
[0057] Working principle:
[0058] When the cable reel 5 is in a flat state, the attachment bracket 3 is rotated out so that the steel ball 304 fits with the bottom outer wall of the cable reel 5, and the cable reel 5 is supported by utilizing the angle between the attachment bracket 3 and the support frame 2 and the contact area between the attachment bracket 3 and the support frame 2 and the ground. By providing the steel ball 304, the cable reel 5 and the attachment bracket 3 can be rotated through the steel ball 304, thereby reducing the friction between the cable reel 5 and the attachment bracket 3;
[0059] The bolt rod 1051 and the telescopic rod 3 1052 are threadedly connected through a threaded pipe, so that the three groups of telescopic rods 101 are connected through the telescopic rod 2 104 and the connecting telescopic rod 105, and the three groups of telescopic rods 101 are arranged in a herringbone shape after the connection. In this state, the vertical axis 6 is placed on the inner wall of the multi-form rotating frame 1, and the plurality of plug-in telescopic rods 103 and the vertical axis 6 that are rotatably connected to the outer wall of the three groups of telescopic rods 101 are plugged and fixedly assembled, and then the multi-form rotating frame 1 is placed on the inner wall of the cable reel 5, and the three groups of telescopic rods 101 are connected to the vertical axis 6. The controller controls the telescopic rod 2 104 and the telescopic rod 3 1052 to operate, so that the telescopic rod 2 104 and the telescopic rod 3 1052 respectively push the V-shaped wheel 102 to fit the inner wall of the cable reel 5 through the three sets of telescopic rods 1 101, and at the same time controls the plug-in telescopic rod 103 to extend and retract, so that the plug-in telescopic rod 103 and the vertical shaft 6 remain plugged, and controls the vertical shaft 6 to rise and fall, so that the cable reel 5 is separated from the ground through the multi-form rotating frame 1 and the vertical shaft 6, so that the cable reel 5 can be rotated through the vertical shaft 6;
[0060] Then, the second clamping plate 203 is sleeved with the bottom plate 602 through the gap between the cable reel 5 and the ground, and the first clamping plate 202 is sleeved with the top of the connecting shaft 603, and sleeved with the cable through the conduit 401, and the conduit 401 is used to guide the expansion direction of the cable, and the conduit 401 is used to limit the cable to avoid the problem of misalignment when the cable is expanded;
[0061] The position limiting plate 604 is used to limit the plug-in telescopic rod 103, and the abutment groove 605 is used to plug and fix the plug-in telescopic rod 103 and the vertical shaft 6, so that the installation between the plug-in telescopic rod 103 and the vertical shaft 6 is simplified. By setting the telescopic rod four 601, the vertical shaft 6 drives the cable reel 5 to be raised and lowered through the multi-form rotating frame 1. The design of the rotation connection between the telescopic rod four 601 and the bottom plate 602 is used to reduce the force required for the rotation of the cable reel 5 after the cable reel 5 is separated from the ground, thereby realizing the cable reel 5.
[0062] When the cable reel 5 is in the upright state, the support frame 2 is sleeved with the outer wall of the guide component 4 through the vertical shaft 6, and the attachment bracket 3 is rotated so that the end of the second rotating plate 302 away from the shaft body 201 is in contact with the ground, and the end of the second rotating plate 302 close to the shaft body 201 is clamped with the inner wall of the slot 205 through the latch 305, so that the second rotating plate 302 can achieve three-dimensional support for the support frame 2;
[0063] The conduit 401 and the cable are sleeved together, and the conduit 401 is used to guide the deployment direction of the cable. At the same time, the conduit 401 is used to limit the cable to avoid the problem of misalignment when the cable is deployed;
[0064] Separate the bolt rod 1051 and the telescopic rod three 1052, lay the three sets of telescopic rods 101 flat on the ground, rotate the several plug-in telescopic rods 103 and the connecting telescopic rods 105 respectively, plug the plug-in telescopic rods 103 and the connecting telescopic rods 105 to the ground, so that the three sets of V-shaped wheels 102 are separated from the ground by a certain height, and then push the cable reel 5 onto the three sets of V-shaped wheels 102, and then control the plug-in telescopic rods 103 and the connecting telescopic rods 105 through the controller, so that the three sets of V-shaped wheels 102 support and cover the outer edge of the cable reel 5, so that the cable reel 5 can be rotated by the several V-shaped wheels 102, thereby realizing the cable reel 5 The wire-releasing operation is realized.
[0065] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0066] 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 power construction laying device, comprising a cable reel (5), characterized in that: The inner wall of the cable reel (5) is clamped with a multi-shaped rotating frame (1), a vertical shaft (6) is fixedly mounted on the inner wall at the center of the multi-shaped rotating frame (1), a support frame (2) is sleeved on the end of the vertical shaft (6), a guide component (4) is fixedly mounted on the outer wall of the support frame (2), and an attachment bracket (3) is rotatably connected to the inner wall of one side of the support frame (2); The polymorphic rotating frame (1) comprises a telescopic rod (101), both ends of the telescopic rod (101) are rotatably connected to V-shaped wheels (102), and the outer wall of the telescopic rod (101) is rotatably connected to a plug-in telescopic rod (103); The multi-form rotating frame (1) further comprises a second telescopic rod (104) and a connecting telescopic rod (105); The connecting telescopic rod (105) comprises a bolt rod (1051) and a telescopic rod three (1052), and the opposite ends of the bolt rod (1051) and the telescopic rod three (1052) are threadedly connected via a threaded pipe; The telescopic rods (101) are provided in three groups, and the three groups of telescopic rods (101) are all rotatably connected to each other through telescopic rods (104), and the ends of the two groups of telescopic rods (101) located on both sides are rotatably connected to the bolt rod (1051) and the telescopic rods (1052) respectively; The vertical axis (6) includes a telescopic rod (601), the bottom telescopic end of the telescopic rod (601) is rotatably connected to a bottom plate (602), the top of the telescopic rod (601) is fixedly equipped with a connecting shaft (603), the outer walls at both ends of the connecting shaft (603) are provided with abutment grooves (605) corresponding to the plug-in telescopic rod (103), and both sides of the abutment groove (605) are fixedly equipped with limit plates (604); Thereby, the cable reel can be used in a horizontal or vertical state.
2. The electric power construction laying-out device according to claim 1, characterized in that: The support frame (2) comprises a shaft (201), one end of the shaft (201) is fixedly mounted with a first clamping plate (202), the other end of the shaft (201) is fixedly mounted with a second clamping plate (203), a side of the second clamping plate (203) away from the shaft (201) is fixedly mounted with a collar (204), and an outer wall of the second clamping plate (203) is provided with a slot (205); The support frame (2) is sleeve-connected with the end of the vertical shaft (6) via a clamping plate (202) and a sleeve ring (204).
3. The electric power construction laying-out device according to claim 2, characterized in that: The attachment bracket (3) comprises a rotating plate 1 (301), a side of the rotating plate 1 (301) away from the shaft (201) is rotatably connected to a rotating plate 2 (302), an outer wall of the rotating plate 2 (302) is fixedly equipped with a support block (303), a top inner wall of the rotating plate 1 (301) is rotatably sleeved with a steel ball (304), and an inner wall of the rotating plate 2 (302) close to the shaft (201) is sleeved with a latch (305); The attachment bracket (3) is rotatably connected to the shaft body (201) via an end of the rotating plate 1 (301) close to the shaft body (201), and the latch (305) is adapted to the inner wall of the slot (205).
4. The electric power construction laying-out device according to claim 3, characterized in that: The guide component (4) comprises a guide tube (401) sleeved on the cable surface of the outer wall of the cable reel (5); the outer wall of the guide tube (401) is fixedly equipped with a connecting frame (402); the connecting frame (402) is sleeved on the outer wall of the shaft body (201) via bolts.
5. The electric power construction laying-out device according to claim 4, characterized in that: The V-shaped wheel (102) comprises a wheel body (1021), a V-shaped groove (1022) is provided on the middle outer wall of the wheel body (1021), a plurality of mounting grooves (1023) are provided in an annular manner on the end outer wall of the wheel body (1021), and a barbed plate (1024) is rotatably connected to the inner wall of the mounting groove (1023).
Citation Information
Patent Citations
Multifunctional electric power pay-off rack
CN214003608U