Telescopic height limiting rod under high-voltage line

Abstract

A telescopic height limiting rod under a high-voltage line comprises a steel pipe column, a first sliding sleeve, a second sliding sleeve and a supporting rod, the steel pipe column is vertically connected to the ground, the first sliding sleeve is slidably connected to the peripheral face of the steel pipe column, a fixing assembly used for fixing the first sliding sleeve is installed on the steel pipe column, and a plurality of telescopic rods are evenly distributed on the peripheral face, close to the top, of the steel pipe column; the multiple telescopic rods are horizontally arranged, one ends of the multiple telescopic rods are hinged to the steel pipe column, the other ends of every two adjacent telescopic rods are connected through the fluorescent bands, the peripheral faces of the telescopic rods are slidably connected with second sliding sleeves, one ends of the supporting rods are hinged to the first sliding sleeves, and the other ends of the supporting rods are hinged to the second sliding sleeves. According to the design, the multiple telescopic rods are arranged, the safety range of the height limiting rod can be adjusted in real time according to the field situation, the construction safety is guaranteed to a great extent, after use is finished, the telescopic rods are rotated to be in the vertical state by sliding the first sliding sleeves, and therefore recycling and reusing are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of height-limiting poles for high-voltage power transmission lines, in particular to a telescopic height-limiting pole under a high-voltage line. Background Art

[0002] With the rapid development of urban municipal infrastructure construction, construction activities under high-voltage lines are becoming more and more common. Therefore, crane hoisting, sky pump pouring and other construction situations often occur under high-voltage lines. In order to ensure the safe construction range and prevent high-voltage line discharge, which may lead to accidents, height limit devices are generally used to effectively avoid accidents. The current height limit device is generally composed of multiple poles set up in the safe range under the high-voltage line, and then connected by wires. However, if such height limit devices are not maintained for a long time, the ropes may sag, the safe construction range will be reduced, and it is not conducive to the construction. At the same time, the height limit device is relatively high, and the height limit device is not conspicuous in the air, and it is not easy to identify, which is prone to safety accidents. Summary of the invention

[0003] The utility model aims to overcome the defects and problems of poor structural stability and poor safety of height limit poles in the prior art, and to provide a telescopic height limit pole under a high-voltage line with high structural stability and high safety.

[0004] To achieve the above objectives, the technical solution of the utility model is: a telescopic height limit pole under a high-voltage line, comprising a steel pipe column, a first sliding sleeve, a second sliding sleeve, and a support rod, the steel pipe column being vertically connected to the ground, the first sliding sleeve being slidably connected to the outer circumference of the steel pipe column, a fixing assembly for fixing the first sliding sleeve being installed on the steel pipe column, a plurality of telescopic rods being evenly distributed on the outer circumference of the steel pipe column near the top, the plurality of telescopic rods being horizontally arranged, one ends of the plurality of telescopic rods being respectively hinged to the steel pipe column, the other ends of two adjacent telescopic rods being connected to each other by fluorescent strips, the outer circumference of the telescopic rod being slidably connected to the second sliding sleeve, one end of the support rod being hinged to the first sliding sleeve, and the other end of the support rod being hinged to the second sliding sleeve.

[0005] The steel pipe column includes a support column, multiple connecting pipes, and a top column. The support column is vertically connected to the ground. The multiple connecting pipes are threadedly connected in sequence from top to bottom. The connecting pipe at the bottom is threadedly connected to the upper end of the support column, and the connecting pipe at the top is threadedly connected to the lower end of the top column.

[0006] The lower end of the support column is connected to the bottom plate, and the upper end surface of the bottom plate is provided with a plurality of bolt holes, and the inner threads of the bolt holes are connected with expansion screws.

[0007] The top column includes a top pipe and an end head. The upper end of the top pipe is open, and the end head is plugged into the upper end of the top pipe. A plurality of hinges are connected to the gap between the end head and the top pipe, and one end of the plurality of telescopic rods is rotatably connected to the top pipe through the hinges.

[0008] The hinge comprises a first support and a support block, wherein the support is connected to the gap between the end head and the top pipe, one end of the support block is rotatably connected to the upper end of the support, and the other end of the support block is connected to the telescopic rod.

[0009] The telescopic rod includes a large rod and a small rod, the large rod is connected to the other end of the support block, a sliding groove is axially provided in the large rod, the small rod is slidably connected to the sliding groove, a limiting hole is provided on the outer circumference of the large rod, an installation groove is provided on the outer circumference of the small rod, a limiting spring is connected in the installation groove, one end of the limiting spring is connected to the limiting block, and one end of the limiting block is inserted into the limiting hole.

[0010] The fixing assembly includes a spring and a first clamping block. The spring is horizontally arranged and one end of the spring is connected to the inner wall of the steel pipe column. The first clamping block is radially slidably connected to the steel pipe column. One end of the first clamping block is connected to the other end of the spring. The other end of the first clamping block passes through the steel pipe column and the first sliding sleeve and is located on the outside of the first sliding sleeve.

[0011] The support rod includes a sliding rod, two second supports and two sleeve rods, the two second supports are respectively connected to the outer circumferential surfaces of the first sliding sleeve and the second sliding sleeve, one end of the two sleeve rods are respectively rotatably connected to the two second supports, and the two ends of the sliding rod are respectively sleeved on the other ends of the two sleeve rods.

[0012] The two ends of the slide rod are respectively slidably connected to the two sleeve rods, and the outer circumference of the sleeve rod is threadedly connected with a fixing bolt, and the bottom of the fixing bolt passes through the sleeve rod and abuts against the outer circumference of the slide rod.

[0013] The ends of the multiple telescopic rods away from the steel pipe column are connected to a shell, the upper end surface of the shell is connected to a rotating shaft in a vertical direction, the outer peripheral surface of the rotating shaft is wrapped with the fluorescent belt, the fluorescent belt is located in the shell, one side of the shell is provided with an insertion port, the other side of the shell is provided with an outlet, one end of the fluorescent belt passes through the outlet and is plugged into the insertion port of the adjacent shell.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, a telescopic height limit pole under a high-voltage line is provided. The first sliding sleeve is driven to move, so that the support rod and the telescopic rod are rotated. When the telescopic rod is rotated to a horizontal state, the first sliding sleeve is fixed by a fixing assembly. By setting a plurality of telescopic rods, the telescopic rod can adjust its own length, so that it can better match the safe construction range. When constructing under a high-voltage line, the height limit position can be adjusted in real time according to the actual situation on site, thereby ensuring construction safety to a great extent. At the same time, after use, the telescopic rod is rotated to a vertical state by sliding the first sliding sleeve, so that it is convenient for recycling and reuse, saving project costs. Therefore, the utility model has high structural stability, good safety, and low cost.

[0016] 2. In the utility model, a telescopic height-limiting pole under a high-voltage line is provided. The steel pipe column is spliced ​​by multiple connecting pipes, so that the overall height of the steel pipe column can be adjusted to suit various working scenarios. The steel pipe column is fixed to the ground by expansion screws, which can improve disassembly efficiency and facilitate storage. The telescopic rod and the top pipe are connected by hinges, which makes the rotation process of the telescopic rod more stable. The large rod and the small rod are fixed by a limit block. When the telescopic rod needs to be extended, the limit block is pressed to disengage the limit block from the limit hole, and the small rod can be pulled out from the large rod, which is convenient to use. Therefore, the utility model has a wide range of applications, a stable structure, and is easy to use.

[0017] 3. In the utility model, a telescopic height-limiting rod under a high-voltage line is provided with a pressing spring and a clamping block. When the first sliding sleeve slides on the steel pipe column, the pressing spring is compressed. After the first sliding sleeve slides into place, the clamping block moves under the elastic force of the spring and passes through the first sliding sleeve, thereby limiting the first sliding sleeve; the support rod adopts a connection structure of a sleeve rod and a slide rod. When the telescopic rod is elongated, the slide rod can slide in the sleeve rod by loosening the fixing bolt, thereby increasing the length of the support rod and making the second sliding sleeve slide on the telescopic rod, so as to adjust the support point of the support rod, thereby increasing the bearing capacity of the support rod. Therefore, the utility model has a stable structure and high reliability.

[0018] 4. In the utility model, in a telescopic height-limiting pole under a high-voltage line, the fluorescent belt is installed in the shell. By rotating the rotating shaft, the fluorescent belt can be unfolded and recovered. At the same time, the fluorescent belt is fixed through the insertion port on the shell, so that multiple fluorescent belts are connected between the telescopic poles, thereby facilitating the identification of the fluorescent belts and avoiding safety accidents. Therefore, the utility model is easy to use and has high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a structural schematic diagram of the steel pipe column in the utility model.

[0021] Figure 3 It is a partial cross-sectional schematic diagram of the support column, the base plate and the expansion screws in the utility model.

[0022] Figure 4 It is a partial cross-sectional schematic diagram of the top column, the fixing assembly and the hinge in the utility model.

[0023] Figure 5 It is a structural schematic diagram of a hinge, a first sliding sleeve, a second sliding sleeve, a telescopic rod and a supporting rod in the utility model.

[0024] Figure 6 It is a structural schematic diagram of the telescopic rod in the utility model.

[0025] Figure 7 yes Figure 6 A magnified schematic diagram of center A.

[0026] Figure 8 It is a structural schematic diagram of the fluorescent strip and the shell in the utility model.

[0027] Fig. 9 It is a cross-sectional schematic diagram of the fluorescent strip, the housing and the rotating shaft in the utility model.

[0028] In the figure: steel pipe column 1, support column 11, connecting pipe 12, top column 13, top pipe 131, end 132, gap 133, bottom plate 14, bolt hole 15, expansion screw 16, hinge 17, first support 171, support block 172, first sliding sleeve 2, second sliding sleeve 3, support rod 4, sliding rod 41, sleeve rod 42, second support 43, fixing bolt 44, fixing assembly 5, pressing spring 51, block 52, telescopic rod 6, large rod 61, small rod 62, slide groove 63, limit hole 64, installation groove 65, limit spring 66, limit block 67, fluorescent strip 7, shell 8, outlet 81, insertion port 82, rotating shaft 9. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0030] Embodiment 1:

[0031] See also Figures 1 to 9A telescopic height-limiting pole under a high-voltage line comprises a steel pipe column 1, a first sliding sleeve 2, a second sliding sleeve 3, and a support rod 4. The steel pipe column 1 is vertically connected to the ground, the first sliding sleeve 2 is slidably connected to the outer circumference of the steel pipe column 1, and a fixing assembly 5 for fixing the first sliding sleeve 2 is installed on the steel pipe column 1. A plurality of telescopic rods 6 are evenly distributed on the outer circumference of the steel pipe column 1 near the top, and the plurality of telescopic rods 6 are horizontally arranged. One end of the plurality of telescopic rods 6 is respectively hinged to the steel pipe column 1, and the other ends of two adjacent telescopic rods 6 are mutually connected by fluorescent strips 7. The outer circumference of the telescopic rod 6 is slidably connected with a second sliding sleeve 3, one end of the support rod 4 is hinged to the first sliding sleeve 2, and the other end of the support rod 4 is hinged to the second sliding sleeve 3. The steel pipe column 1 includes a support column 11, a plurality of connecting pipes 12, and a top column 13. The support column 11 is vertically connected to the ground, and a plurality of connecting pipes 12 are threadedly connected in sequence from top to bottom. The connecting pipe 12 at the bottom is threadedly connected to the upper end of the support column 11, and the connecting pipe 12 at the top is threadedly connected to the lower end of the top column 13. The lower end of the support column 11 is connected with a bottom plate 14, and the upper end surface of the bottom plate 14 is provided with a plurality of bolt holes 15, and the bolt holes 15 are threadedly connected with expansion screws 16.

[0032] In this embodiment, the length of the connecting tube 12 is 1m. Before use, the height limit and safety distance are first determined. The appropriate number of connecting tubes 12 is selected according to the height limit, and then the height limit position is determined. The expansion screws 16 are driven into the base plate 14 to fix it to the ground, and then the first sliding sleeve 2 is slid to drive the support rod 4 and the telescopic rod 6 to rotate. When the telescopic rod 6 is rotated to a horizontal position, it is fixed by the two first sliding sleeves 2 of the fixing assembly, and then according to the safety distance, the telescopic rod 6 is extended to the length of the safety distance, and then the fluorescent strip 6 is connected between two adjacent telescopic rods 6. The height limit rod assembly is completed.

[0033] Embodiment 2:

[0034] The basic content is the same as that of Example 1, except that:

[0035] See also Figures 4 to 7The top column 13 includes a top tube 131 and an end 132. The top tube 131 has an opening at its upper end. The end 132 is plugged into the upper end of the top tube 131. A plurality of hinges 17 are connected to a gap 133 between the end 132 and the top tube 131. One end of the plurality of telescopic rods 6 is rotatably connected to the top tube 131 through the hinge 17. The hinge 17 includes a first support 171 and a support block 172. The first support 171 is connected to the gap 133 between the end 132 and the top tube 131. One end of the support block 172 is rotatably connected to the upper end of the first support 171. The other end of the support block 172 is connected to the telescopic rod 6. The telescopic rod 6 includes a large rod 61 and a small rod 62. The large rod 61 is connected to the other end of the support block 172. A sliding groove 63 is axially provided in the large rod 61. The small rod 62 is slidably connected to the sliding groove 63. A limiting hole 64 is provided on the outer circumference of the large rod 61. A mounting groove 65 is provided on the outer circumference of the small rod 62. A limiting spring 66 is connected in the mounting groove 65. One end of the limiting spring 66 is connected to a limiting block 67. One end of the limiting block 67 is inserted into the limiting hole 64.

[0036] In this embodiment, before installing the telescopic rod 6, the end 132 is first inserted into the top pipe 131, and then the corresponding number of first supports 171 is selected according to the number of telescopic rods 6, and the first supports 171 are inserted between the end 132 and the top pipe 131, and then the telescopic rod 6 is connected to the support block 172. When the telescopic rod 6 is rotated to a horizontal state, the limit block 67 is pressed to disengage the limit block 67 from the limit hole 64, and then the small rod 62 is pulled out of the large rod 61. After the overall length of the telescopic rod 6 is equal to the safety distance length, stop pulling the small rod 62.

[0037] Embodiment 3:

[0038] The basic content is the same as that of Example 1, except that:

[0039] See also Figure 4 The fixing assembly 5 includes a pressing spring 51 and a clamping block 52. The pressing spring 51 is horizontally arranged and one end of the pressing spring is connected to the inner wall of the steel pipe column 1. The clamping block 52 is radially slidably connected to the steel pipe column 1. One end of the clamping block 52 is connected to the other end of the pressing spring 51, and the other end of the clamping block 52 passes through the steel pipe column 1 and the first sliding sleeve 2 and is located on the outside of the first sliding sleeve 2.

[0040] In this embodiment, when the first sleeve 2 slides on the steel pipe column 1, the pressing spring 51 is compressed. After the first sleeve 2 slides into place, the blocking block 52 moves under the elastic force of the pressing spring 41 and passes through the first sleeve 2, thereby limiting the first sleeve 2. When the height limit rod needs to be retracted, the blocking block 52 is pressed to separate the blocking block 52 from the first sleeve 2, and then the first sleeve 2 is slid downward to rotate the support rod 4 and the telescopic rod 6 to the starting position.

[0041] Embodiment 4:

[0042] The basic content is the same as that of Example 1, except that:

[0043] See also Figure 5 The support rod 4 includes a slide rod 41, two second supports 43 and two sleeve rods 42. The two second supports 43 are respectively connected to the outer circumferences of the first sliding sleeve 2 and the second sliding sleeve 3. One end of the two sleeve rods 42 is respectively rotatably connected to the two second supports 43. The two ends of the slide rod 41 are respectively sleeved on the other ends of the two sleeve rods 42. The two ends of the slide rod 41 are respectively slidably connected to the two sleeve rods 42. The outer circumference of the sleeve rod 42 is threadedly connected with a fixing bolt 44. The bottom of the fixing bolt 44 passes through the sleeve rod 42 and abuts against the outer circumference of the slide rod 41.

[0044] In this embodiment, when the telescopic rod 6 is stretched, the fixing bolt 44 is loosened so that the slide rod 41 can move in the sleeve rod 42, and then the second slide sleeve 3 is pulled to move the second slide sleeve 3 to the middle position of the telescopic rod 6, and then the fixing bolt 44 is tightened to prevent the slide rod 41 from sliding. At this time, the support rod 4 is fixed.

[0045] Embodiment 5:

[0046] The basic content is the same as that of Example 1, except that:

[0047] See also Figure 8 and Fig. 9 The ends of the multiple telescopic rods 6 away from the steel pipe column 1 are all connected to a shell 8, and the upper end surface of the shell 8 is rotatably connected to a rotating shaft 9 in the vertical direction. The outer peripheral surface of the rotating shaft 9 is wrapped with the fluorescent belt 7, and the fluorescent belt 7 is located in the shell 8. An insertion port 82 is opened on one side of the shell 8, and an outlet 81 is opened on the other side of the shell 8. One end of the fluorescent belt 7 passes through the outlet 81 and is inserted into the insertion port 82 of the adjacent shell 8.

[0048] In this embodiment, when the telescopic rod 6 is extended, one end of the fluorescent tape 7 is passed through the outlet 81 by rotating the rotating shaft 9, and then the one end of the fluorescent tape 7 is inserted into the insertion port 82 of the adjacent shell 8 to achieve the installation of the fluorescent tape 7. When the height limit pole needs to be recovered, one end of the fluorescent tape 7 is taken out from the insertion port 82, and then the rotating shaft 9 is rotated in the opposite direction to recover the fluorescent tape 7 into the shell 8.

Claims

1. A telescopic height-limiting pole under a high-voltage line, characterized in that: The invention comprises a steel pipe column (1), a first sliding sleeve (2), a second sliding sleeve (3), and a support rod (4); the steel pipe column (1) is vertically connected to the ground; the first sliding sleeve (2) is slidably connected to the outer peripheral surface of the steel pipe column (1); a fixing assembly (5) for fixing the first sliding sleeve (2) is installed on the steel pipe column (1); a plurality of telescopic rods (6) are evenly distributed on the outer peripheral surface of the steel pipe column (1) near the top; the plurality of telescopic rods (6) are horizontally arranged; one end of the plurality of telescopic rods (6) are respectively hinged to the steel pipe column (1); the other ends of two adjacent telescopic rods (6) are connected to each other through a fluorescent strip (7); the outer peripheral surface of the telescopic rod (6) is slidably connected to the second sliding sleeve (3); one end of the support rod (4) is hinged to the first sliding sleeve (2); and the other end of the support rod (4) is hinged to the second sliding sleeve (3).

2. The telescopic height-limiting pole under a high-voltage line according to claim 1, characterized in that: The steel pipe column (1) comprises a support column (11), a plurality of connecting pipes (12), and a top column (13); the support column (11) is vertically connected to the ground; the plurality of connecting pipes (12) are threadedly connected in sequence from top to bottom; the connecting pipe (12) at the bottom is threadedly connected to the upper end of the support column (11); and the connecting pipe (12) at the top is threadedly connected to the lower end of the top column (13).

3. The telescopic height-limiting pole under a high-voltage line according to claim 2, characterized in that: The lower end of the support column (11) is connected to a bottom plate (14), and the upper end surface of the bottom plate (14) is provided with a plurality of bolt holes (15), and the bolt holes (15) are internally threadedly connected with expansion screws (16).

4. The telescopic height-limiting pole under a high-voltage line according to claim 2, characterized in that: The top column (13) comprises a top tube (131) and an end head (132); the top end of the top tube (131) is open; the end head (132) is plugged into the top end of the top tube (131); a plurality of hinges (17) are connected to a gap (133) between the end head (132) and the top tube (131); one end of the plurality of telescopic rods (6) is rotatably connected to the top tube (131) via the hinge (17).

5. The telescopic height-limiting pole under a high-voltage line according to claim 4, characterized in that: The hinge (17) comprises a first support (171) and a support block (172); the first support (171) is connected to the gap (133) between the end head (132) and the top pipe (131); one end of the support block (172) is rotatably connected to the upper end of the first support (171); and the other end of the support block (172) is connected to the telescopic rod (6).

6. The telescopic height-limiting pole under a high-voltage line according to claim 5, characterized in that: The telescopic rod (6) comprises a large rod (61) and a small rod (62). The large rod (61) is connected to the other end of the support block (172). A sliding groove (63) is provided in the large rod (61) along the axial direction. The small rod (62) is slidably connected to the sliding groove (63). A limiting hole (64) is provided on the outer circumference of the large rod (61). A mounting groove (65) is provided on the outer circumference of the small rod (62). A limiting spring (66) is connected in the mounting groove (65). One end of the limiting spring (66) is connected to a limiting block (67). One end of the limiting block (67) is inserted into the limiting hole (64).

7. The telescopic height-limiting pole under a high-voltage line according to claim 1, characterized in that: The fixing assembly (5) comprises a pressing spring (51) and a clamping block (52); the pressing spring (51) is arranged horizontally and one end of the pressing spring is connected to the inner wall of the steel pipe column (1); the clamping block (52) is connected to the steel pipe column (1) in a radially sliding manner; one end of the clamping block (52) is connected to the other end of the pressing spring (51); the other end of the clamping block (52) passes through the steel pipe column (1) and the first sliding sleeve (2) and is located on the outside of the first sliding sleeve (2).

8. The telescopic height-limiting pole under a high-voltage line according to claim 1, characterized in that: The support rod (4) comprises a sliding rod (41), two second supports (43) and two sleeve rods (42); the two second supports (43) are respectively connected to the outer circumference of the first sliding sleeve (2) and the second sliding sleeve (3); one end of the two sleeve rods (42) are respectively rotatably connected to the two second supports (43); and the two ends of the sliding rod (41) are respectively sleeved on the other ends of the two sleeve rods (42).

9. The telescopic height-limiting pole under a high-voltage line according to claim 8, characterized in that: The two ends of the slide rod (41) are respectively slidably connected to the two sleeve rods (42); the outer circumferential surface of the sleeve rod (42) is threadedly connected with a fixing bolt (44); the bottom of the fixing bolt (44) passes through the sleeve rod (42) and abuts against the outer circumferential surface of the slide rod (41).

10. The telescopic height-limiting pole under a high-voltage line according to claim 1, characterized in that: The ends of the plurality of telescopic rods (6) away from the steel pipe column (1) are all connected to a shell (8); the upper end surface of the shell (8) is rotatably connected to a rotating shaft (9) in a vertical direction; the outer peripheral surface of the rotating shaft (9) is wrapped with the fluorescent band (7); the fluorescent band (7) is located in the shell (8); an insertion port (82) is provided on one side of the shell (8); an outlet (81) is provided on the other side of the shell (8); one end of the fluorescent band (7) passes through the outlet (81) and is inserted into the insertion port (82) of the adjacent shell (8).

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