High-voltage power supply high-altitude operation support

Abstract

The utility model relates to the technical field of high-altitude operation supports, in particular to a high-voltage power supply high-altitude operation support. Comprising a first rectangular frame, four lifting lugs arranged in a rectangular array are welded to the outer wall of the first rectangular frame, two second rectangular frames are arranged at the bottom of the first rectangular frame, cross rods are slidably installed in the second rectangular frames, and U-shaped supports are welded to the bottoms of the second rectangular frames; two hydraulic cylinders are fixedly installed on the inner wall of the bottom of the U-shaped support, the top ends of the hydraulic cylinders are fixed to the bottom of the second rectangular frame, output rods of the hydraulic cylinders extend into the second rectangular frame and are fixed to the bottom of a transverse rod, and a groove is formed in the top of the transverse rod. Through a simple limiting structure, the operation support can be conveniently hoisted, high-altitude operation can be conveniently carried out, the supporting rod can be conveniently and rapidly disassembled and assembled, the pay-off roller can be conveniently replaced, and the high-altitude pay-off operation efficiency of the high-voltage power supply can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aerial work supports, in particular to a high-voltage power supply aerial work support. Background Art

[0002] With the continuous development of the economy, people's demand for electricity is increasing, and a large number of power equipment are put into use. High-voltage power supply is an important equipment for high-voltage power transmission. It can generally output a voltage of tens of thousands of volts to hundreds of thousands of volts. When performing high-altitude operations on high-voltage power supply, it is often necessary to use an aerial work stand to perform line laying operations. The prior art discloses a detachable hydraulic cable pay-off stand with an authorization announcement number of CN217626801U, comprising: a limit assembly for limiting the lateral sliding of the storage box is longitudinally connected in the circular groove, and one end of the connecting frame is rotated A sleeve is connected, and a first accommodating groove is opened on the front and rear side walls of one end of the sleeve. The first accommodating groove is fixedly connected with a first spring. At this time, the first clamping block is separated from the first clamping groove, and the first clamping block is retracted into the first accommodating groove, thereby ending the limiting. Then the top plate is connected to one end of the four sets of sleeve rods. After the connection, the second clamping block on the sleeve rod in the sleeve is repeated according to the work needs. The step of the first clamping block is adjusted to adjust the height of the top plate, and then the connecting column is connected to the clamping plate, and finally the cable drum is connected to the connecting column, and the vertical position of the connecting plate is adjusted by the hydraulic telescopic rod.

[0003] However, it was found during use that the above design is not convenient for hoisting and is difficult to use for high-altitude operations. The pay-off roller is difficult to quickly disassemble and assemble, making it inconvenient for quick replacement, which seriously affects the work efficiency of high-altitude pay-off operations of high-voltage power supplies. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a high-voltage power supply aerial work support, which is convenient for lifting the work support, convenient for aerial work, convenient for quick disassembly and assembly of support rods, and convenient for replacing wire-laying rollers, which is beneficial to improving the efficiency of aerial wire-laying operations of high-voltage power supplies and solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: a high-voltage power supply aerial work support, comprising a first rectangular frame, four lifting ears arranged in a rectangular array are welded on the outer wall of the first rectangular frame, two second rectangular frames are arranged at the bottom of the first rectangular frame, a cross bar is slidably installed in the second rectangular frame, a U-shaped bracket is welded at the bottom of the second rectangular frame, two hydraulic cylinders are fixedly installed on the bottom inner wall of the U-shaped bracket, the top of the hydraulic cylinder is fixed to the bottom of the second rectangular frame, the output rod of the hydraulic cylinder extends into the second rectangular frame and is fixed to the bottom of the cross bar, a groove is opened at the top of the cross bar, and the two cross bars are provided with the same support rod, and the groove The cam is provided with two limit rollers for internal rotation, and the limit rollers are rollingly connected with the support rod. A pay-off roller is rotatably mounted on the support rod, and two annular clamping plates are fixedly mounted on the support rod. An arc clamping plate rotatably connected with the support rod is provided above the cross bar, and the sides of the two arc clamping plates close to each other are rotatably connected with the corresponding annular clamping plates respectively. A first cross plate is fixedly mounted on both sides of the arc clamping plate, a sliding rod is fixedly mounted on the bottom of the first cross plate, and the sliding rod slides through the cross bar, and the bottom ends of the two sliding rods are fixedly mounted with the same second cross plate, and an electric cylinder is fixedly mounted on the bottom of the second cross plate, and the output rod of the electric cylinder slides through the second cross plate and is fixed to the bottom of the cross bar.

[0006] To facilitate the installation of pay-off rollers of different widths:

[0007] As a further improvement of the above technical solution: the first rectangular frame also includes four sliding sleeves arranged in a rectangular array, the sliding sleeves are slidably mounted on the first rectangular frame, the second rectangular frame is fixedly installed at the bottom of the corresponding two sliding sleeves, two rectangular through grooves are provided on the inner walls on both sides of the first rectangular frame, a slider is fixedly installed in the sliding sleeve, the slider slides through the corresponding rectangular through grooves, two bidirectional screw rods are rotatably mounted on the first rectangular frame, the bidirectional screw rod threads penetrate the corresponding two sliders, a first bevel gear is fixedly mounted on the bidirectional screw rod, a rotating rod is rotatably mounted in the first rectangular frame, the two ends of the rotating rod extend respectively into the corresponding rectangular through grooves and are fixedly mounted on the second bevel gear, a third bevel gear is fixedly mounted on the rotating rod, a motor is fixedly mounted on one side of the first rectangular frame, the output shaft of the motor extends into the first rectangular frame and is fixedly mounted on a fourth bevel gear, and the fourth bevel gear is meshed with the third bevel gear.

[0008] The beneficial effect of this improvement is that by such an arrangement, it is convenient to quickly adjust the distance between the two second rectangular frames, thereby facilitating the installation of pay-off rollers of different widths, which greatly facilitates the high-altitude pay-off operation of the high-voltage power supply.

[0009] To make the crossbar lifting more stable:

[0010] As a further improvement of the above technical solution: limiting grooves are provided on the inner walls on both sides of the second rectangular frame, limiting blocks are slidably installed in the limiting grooves, and the limiting blocks are welded to one end of the cross bar.

[0011] The beneficial effect of this improvement is that by setting the limiting groove and the limiting block, it is convenient to limit the cross bar, so that the lifting and lowering of the cross bar is more stable.

[0012] To prevent the electric cylinder from being blocked and difficult to descend:

[0013] As a further improvement of the above technical solution: a first through hole and two second through holes are penetrated on the bottom inner wall of the second rectangular frame, the output rod of the hydraulic cylinder slides through the corresponding second through holes, and the first through hole is adapted to the electric cylinder.

[0014] The beneficial effect of this improvement is that by providing the first through hole, it is possible to prevent the electric cylinder from being blocked and difficult to descend.

[0015] To facilitate the positioning of the support rod:

[0016] As a further improvement of the above technical solution: a semicircular slot communicating with the groove is provided on the top of the cross bar, and one side of the limiting roller extends into the semicircular slot.

[0017] The beneficial effect of this improvement is that by providing a semicircular slot, it is convenient to limit the support rod.

[0018] To facilitate the lifting of the slider:

[0019] As a further improvement of the above technical solution: the cross bar has two third through holes, the second cross plate has a fourth through hole, the output rod of the electric cylinder slides through the fourth through hole, and the sliding rod slides through the corresponding third through hole.

[0020] The beneficial effect of this improvement is that the third through hole is provided to facilitate the lifting and lowering of the slide rod.

[0021] In order to facilitate the support and limit of the rotating rod:

[0022] As a further improvement of the above technical solution: two vertical plates are fixedly installed on the inner wall of one side of the first rectangular frame, and the rotating rod rotates through the two vertical plates.

[0023] The beneficial effect of this improvement is that by providing a vertical plate, it is convenient to support and limit the rotating rod.

[0024] In order to facilitate the limitation of the output shaft of the motor:

[0025] As a further improvement of the above technical solution: a fifth through hole is penetrated on an inner wall of one side of the first rectangular frame, and the output rod of the motor rotates and penetrates the fifth through hole.

[0026] The beneficial effect of this improvement is that by providing the fifth through hole, it is convenient to limit the output shaft of the motor.

[0027] The beneficial effects of the utility model are: through a simple limiting structure, it is convenient to lift the working bracket, thereby facilitating high-altitude operations, and convenient to quickly disassemble and assemble the support rod, thereby facilitating the replacement of the wire-laying roller, which is beneficial to improving the high-altitude wire-laying operation efficiency of the high-voltage power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0029] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0030] Figure 3 It is a schematic diagram of a top view and cross-section structure of the utility model;

[0031] Figure 4 It is a three-dimensional cross-sectional assembly structure schematic diagram of the support rod locking structure in the utility model;

[0032] Figure 5 For this utility model Figure 1 A schematic diagram of the enlarged structure of part B;

[0033] Figure 6 For this utility model Figure 3 Schematic diagram of the enlarged structure of part C.

[0034] In the figure: 1. first rectangular frame; 2. lifting ear; 3. second rectangular frame; 4. cross bar; 5. U-shaped bracket; 6. hydraulic cylinder; 7. groove; 8. support rod; 9. pay-off roller; 10. limit roller; 11. annular clamping plate; 12. arc clamping plate; 13. first cross plate; 14. sliding rod; 15. second cross plate; 16. electric cylinder; 17. sliding sleeve; 18. rectangular through groove; 19. slider; 20. bidirectional screw; 21. first bevel gear; 22. rotating rod; 23. second bevel gear; 24. third bevel gear; 25. motor; 26. fourth bevel gear. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0036] like Figure 1-6As shown, a high-voltage power supply aerial work support comprises a first rectangular frame 1, four lifting ears 2 arranged in a rectangular array are welded on the outer wall of the first rectangular frame 1, two second rectangular frames 3 are arranged at the bottom of the first rectangular frame 1, a cross bar 4 is slidably installed in the second rectangular frame 3, a U-shaped bracket 5 is welded at the bottom of the second rectangular frame 3, two hydraulic cylinders 6 are fixedly installed on the bottom inner wall of the U-shaped bracket 5, the top of the hydraulic cylinder 6 is fixed to the bottom of the second rectangular frame 3, the output rod of the hydraulic cylinder 6 extends into the second rectangular frame 3 and is fixed to the bottom of the cross bar 4, a groove 7 is opened at the top of the cross bar 4, the two cross bars 4 are provided with the same support rod 8, two limiting rollers 10 are rotatably installed in the groove 7, and the limiting rollers The wheel 10 is rollingly connected to the support rod 8, a pay-off roller 9 is rotatably sleeved on the support rod 8, two annular clamping plates 11 are fixedly sleeved on the support rod 8, an arc-shaped clamping plate 12 rotatably connected to the support rod 8 is provided above the cross bar 4, and the two sides of the arc-shaped clamping plates 12 close to each other are rotatably connected to the corresponding annular clamping plates 11, and a first cross plate 13 is fixedly installed on both sides of the arc-shaped clamping plate 12, a sliding rod 14 is fixedly installed at the bottom of the first cross plate 13, and the sliding rod 14 slides through the cross bar 4, and the bottom ends of the two sliding rods 14 are fixedly installed with the same second cross plate 15, and an electric cylinder 16 is fixedly installed at the bottom of the second cross plate 15, and the output rod of the electric cylinder 16 slides through the second cross plate 15 and is fixed to the bottom of the cross bar 4. The simple limiting structure makes it easy to lift the work bracket, thereby facilitating high-altitude operations and quickly disassembling and assembling the support rod 8, thereby facilitating the replacement of the pay-off roller 9, which is beneficial to improving the high-altitude pay-off operation efficiency of the high-voltage power supply. The first rectangular frame 1 also includes four sliding sleeves 17 arranged in a rectangular array, and the sliding sleeves 17 are slidably sleeved on the first rectangular frame 1. The second rectangular frame 3 is fixedly installed at the bottom of the corresponding two sliding sleeves 17. Two rectangular through grooves 18 are provided on the inner walls of both sides of the first rectangular frame 1. A slider 19 is fixedly installed in the sliding sleeve 17, and the slider 19 slides through the corresponding rectangular through groove 18. Two bidirectional screw rods 20 are rotatably installed on the first rectangular frame 1, and the bidirectional screw rods 20 threadably penetrate the corresponding The two sliders 19 of the embodiment of the present invention, the first bevel gear 21 is fixedly sleeved on the bidirectional screw rod 20, a rotating rod 22 is rotatably installed in the first rectangular frame 1, both ends of the rotating rod 22 extend into the corresponding rectangular through grooves 18 and are fixedly installed with a second bevel gear 23, a third bevel gear 24 is fixedly sleeved on the rotating rod 22, a motor 25 is fixedly installed on one side of the first rectangular frame 1, the output shaft of the motor 25 extends into the first rectangular frame 1 and is fixedly installed with a fourth bevel gear 26, the fourth bevel gear 26 is meshed with the third bevel gear 24, and through such an arrangement, it is convenient to quickly adjust the distance between the two second rectangular frames 3, and then it is convenient to install the pay-off rollers 9 of different widths, which brings great convenience to the high-altitude pay-off operation of the high-voltage power supply.Limiting grooves are provided on the inner walls on both sides of the second rectangular frame 3, and limiting blocks are slidably installed in the limiting grooves. The limiting blocks are welded to one end of the cross bar 4. By setting the limiting grooves and the limiting blocks, it is convenient to limit the cross bar 4, so that the lifting and lowering of the cross bar 4 is more stable. A first through hole and two second through holes are penetrated on the bottom inner wall of the second rectangular frame 3. The output rod of the hydraulic cylinder 6 slides through the corresponding second through holes. The first through hole is adapted to the electric cylinder 16. By setting the first through hole, it is possible to prevent the electric cylinder 16 from being blocked and difficult to descend. A semicircular groove connected to the groove 7 is provided on the top of the cross bar 4, and one side of the limiting roller 10 extends into the semicircular groove. By setting the semicircular groove, In order to facilitate the position limiting of the support rod 8, the cross bar 4 is penetrated with two third through holes, the second cross plate 15 is penetrated with a fourth through hole, the output rod of the electric cylinder 16 slides through the fourth through hole, and the slide bar 14 slides through the corresponding third through hole. By setting the third through hole, the slide bar 14 is convenient for lifting and lowering. Two vertical plates are fixedly installed on the inner wall of one side of the first rectangular frame 1, and the rotating rod 22 rotates through the two vertical plates. By setting the vertical plates, it is convenient to support and limit the rotating rod 22. A fifth through hole is penetrated on the inner wall of one side of the first rectangular frame 1, and the output rod of the motor 25 rotates through the fifth through hole. By setting the fifth through hole, it is convenient to limit the output shaft of the motor 25.

[0037] The working principle of the utility model is as follows: when in use, first open the two electric cylinders 16, so that the second second cross plate 15 is driven to rise, and the second cross plate 15 drives the two sliding bars 14 to rise, so that the first cross plate 13 is driven to rise, and the arc clamping plate 12 is driven to rise by the two first cross plates 13, so that the limit of the support rod 8 is released, and then the support rod 8 is pulled out from the two cross bars 4, and then the wire-laying roller 9 is moved to between the two second rectangular frames 3, and then the support rod 8 is reinstalled on the two cross bars 4, so that the support rod 8 passes through the wire-laying roller 9, and then the output rods of the two electric cylinders 16 are extended, so that the two arc clamping plates 12 are lowered to limit the support rod 8, the wire-laying roller 9 is installed, and then the working bracket is lifted to a suitable height position through the four lifting ears 2, and then a plurality of hydraulic cylinders 6 are opened, so that the cross bar 4 is driven to slide and lift to a suitable position in the second rectangular frame 3, and then the wire-laying can be carried out. Through such a configuration, it is convenient to lift the working bracket, and then it is convenient to carry out high-altitude operations and to facilitate the support rod 8 The utility model can be quickly disassembled and assembled, so that it is convenient to replace the pay-off roller 9, which is beneficial to improving the high-altitude pay-off operation efficiency of the high-voltage power supply. When it is necessary to install the pay-off rollers 9 of different widths, the motor 25 is used first, and the output shaft of the motor 25 drives the fourth bevel gear 26 to rotate, so that the third bevel gear 24 is driven to rotate, and the third bevel gear 24 drives the rotating rod 22 to rotate, and the rotating rod 22 drives the two second bevel gears 23 to rotate, so that the two first bevel gears 21 are driven to rotate, and the first bevel gear 21 drives the corresponding bidirectional screw rod 20 to rotate, so that the two sliders 19 on the same side of the first rectangular frame 1 are driven to slide in the two rectangular through grooves 18 away from or close to each other, so that the corresponding two sliding sleeves 17 are driven away or close, and at the same time, the distance between the two second rectangular frames 3 is adjusted, so as to facilitate the installation of pay-off rollers 9 of different widths. Through such a setting, it is convenient to quickly adjust the distance between the two second rectangular frames 3, and then it is convenient to install pay-off rollers 9 of different widths, which brings great convenience to the high-altitude pay-off operation of the high-voltage power supply.

[0038] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes 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 apparatus.

[0039] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A high-voltage power supply aerial work support, comprising a first rectangular frame (1), on the outer wall of which are welded four lifting ears (2) arranged in a rectangular array, characterized in that: Two second rectangular frames (3) are provided at the bottom of the first rectangular frame (1), a cross bar (4) is slidably installed in the second rectangular frame (3), a U-shaped bracket (5) is welded at the bottom of the second rectangular frame (3), two hydraulic cylinders (6) are fixedly installed on the inner wall of the bottom of the U-shaped bracket (5), the top of the hydraulic cylinder (6) is fixed to the bottom of the second rectangular frame (3), the output rod of the hydraulic cylinder (6) extends into the second rectangular frame (3) and is fixed to the bottom of the cross bar (4), a groove (7) is provided at the top of the cross bar (4), the two cross bars (4) are provided with the same support rod (8), two limiting rollers (10) are rotatably installed in the groove (7), the limiting rollers (10) are rollingly connected to the support rod (8), and the support rod (8) is rotatably sleeved with a A pay-off roller (9), two annular clamping plates (11) are fixedly sleeved on the support rod (8), an arc-shaped clamping plate (12) rotatably connected to the support rod (8) is provided above the cross bar (4), the two sides of the two arc-shaped clamping plates (12) close to each other are respectively rotatably connected to the corresponding annular clamping plates (11), a first cross plate (13) is fixedly installed on both sides of the arc-shaped clamping plates (12), a sliding rod (14) is fixedly installed at the bottom of the first cross plate (13), the sliding rod (14) slides through the cross bar (4), the bottom ends of the two sliding rods (14) are fixedly installed with the same second cross plate (15), the bottom of the second cross plate (15) is fixedly installed with an electric cylinder (16), the output rod of the electric cylinder (16) slides through the second cross plate (15) and is fixed to the bottom of the cross bar (4).

2. A high-voltage power supply aerial work support according to claim 1, characterized in that: The first rectangular frame (1) further comprises four sliding sleeves (17) arranged in a rectangular array, the sliding sleeves (17) are slidably mounted on the first rectangular frame (1), the second rectangular frame (3) is fixedly mounted on the bottom of the two corresponding sliding sleeves (17), two rectangular through grooves (18) are provided on the inner walls on both sides of the first rectangular frame (1), a slider (19) is fixedly mounted inside the sliding sleeve (17), the slider (19) slides through the corresponding rectangular through groove (18), two bidirectional screw rods (20) are rotatably mounted on the first rectangular frame (1), the bidirectional screw rods (20) threadedly penetrate the two corresponding sliders (1 9), a first bevel gear (21) is fixedly sleeved on the bidirectional screw rod (20), a rotating rod (22) is rotatably installed in the first rectangular frame (1), two ends of the rotating rod (22) respectively extend into corresponding rectangular through grooves (18) and are fixedly installed with a second bevel gear (23), a third bevel gear (24) is fixedly sleeved on the rotating rod (22), a motor (25) is fixedly installed on one side of the first rectangular frame (1), an output shaft of the motor (25) extends into the first rectangular frame (1) and is fixedly installed with a fourth bevel gear (26), and the fourth bevel gear (26) is meshed with the third bevel gear (24).

3. A high-voltage power supply aerial work support according to claim 1, characterized in that: Limiting grooves are provided on the inner walls on both sides of the second rectangular frame (3), and limiting blocks are slidably installed in the limiting grooves. The limiting blocks are welded to one end of the cross bar (4).

4. A high-voltage power supply aerial work support according to claim 1, characterized in that: A first through hole and two second through holes are penetrated on the bottom inner wall of the second rectangular frame (3); the output rod of the hydraulic cylinder (6) slides through the corresponding second through holes; and the first through hole is adapted to fit the electric cylinder (16).

5. The high-voltage power supply aerial work support according to claim 1, characterized in that: A semicircular groove communicating with the groove (7) is provided on the top of the crossbar (4), and one side of the limiting roller (10) extends into the semicircular groove.

6. A high-voltage power supply aerial work support according to claim 1, characterized in that: The cross bar (4) is penetrated by two third through holes, the second cross plate (15) is penetrated by a fourth through hole, the output rod of the electric cylinder (16) slides through the fourth through hole, and the sliding rod (14) slides through the corresponding third through hole.

7. A high-voltage power supply aerial work support according to claim 2, characterized in that: Two vertical plates are fixedly mounted on an inner wall of one side of the first rectangular frame (1), and the rotating rod (22) rotates and penetrates the two vertical plates.

8. A high-voltage power supply aerial work support according to claim 2, characterized in that: A fifth through hole is formed on an inner wall of one side of the first rectangular frame (1), and an output rod of the motor (25) rotates and passes through the fifth through hole.

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