Crawling ladder for transformer maintenance

Abstract

The utility model discloses a ladder stand for transformer maintenance, which relates to the technical field of transformers and comprises a first vertical rod, one side of the first vertical rod is fixedly connected with a plurality of cross rods, one side of each cross rod is fixedly connected with a second vertical rod, and the lower end of the first vertical rod and the lower end of the second vertical rod are movably connected with anti-skid devices. The upper end of the anti-skid device is fixedly connected with a conveying device, the rear ends of the tops of the first vertical rod and the second vertical rod are fixedly connected with a fixing plate, and the rear end of the fixing plate is fixedly connected with a fixing device. The contact area between the crawling ladder and the ground can be increased, friction force is increased to prevent the crawling ladder from sliding, the safety of workers is guaranteed, dangers are prevented, the workers do not need to carry a large number of maintenance tools, the burden of the workers is relieved, the upper end of the crawling ladder can be fixed to a telegraph pole, and the safety of the crawling ladder is improved; and the stability and the safety of the maintenance personnel during high-altitude operation are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field, concretely relates to a kind of ladder stand for transformer maintenance. BACKGROUND

[0002] Ladder stand for transformer maintenance is a specially designed equipment, mainly used to help maintenance personnel to safely, conveniently carry out the inspection, maintenance and repair work of transformer and its related equipment, and the ladder stand for transformer maintenance is an indispensable tool for maintaining and repairing electric power equipment, which ensures the safety and efficiency of work. The existing technology has the following problems:

[0003] 1. In the process of transformer maintenance, ladder stand needs to be used, and the contact area between the bottom of the ladder stand and the ground is small during use, which is prone to sliding and causing danger to the workers during maintenance, and is prone to side sliding. The traditional ladder stand has poor functionality, and a large number of tools need to be carried during maintenance, which consumes a lot of physical strength of the maintenance personnel.

[0004] 2. The existing traditional safety ladder stand lacks reinforcing devices, which directly leads to poor safety during use, thereby increasing the risk of accidents, cannot guarantee a safe working environment for workers, and cannot guarantee the stability and safety of maintenance personnel during high-altitude work. SUMMARY

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0006] A ladder stand for transformer maintenance, comprising a first vertical rod, a plurality of horizontal rods are fixedly connected to one side of the first vertical rod, a second vertical rod is fixedly connected to one side of the horizontal rod, an anti-skid device is movably connected to the lower end of the first vertical rod and the lower end of the second vertical rod, a conveying device is fixedly connected to the upper end of the anti-skid device, a fixed plate is fixedly connected to the top rear end of the first vertical rod and the second vertical rod, and a fixing device is fixedly connected to the rear end of the fixed plate.

[0007] The further improvement of the technical scheme of the utility model is that the anti-skid device comprises an anti-skid plate, two sleeve boxes are fixedly connected to the upper end of the anti-skid plate, a sliding plate is slidably connected to the inner surface of the sleeve box, a latch hole is formed in the upper surface of the sleeve box and the sliding plate, and a latch is detachably connected to the upper surface of the sleeve box.

[0008] The further improvement of the technical scheme of the utility model is that a support block is fixedly connected to one side of the sliding plate, a hinge seat is fixedly connected to the upper end of the anti-skid plate, the hinge seat is located between the two sleeve boxes, and the hinge seat is movably connected to the bottom of the first vertical rod and the second vertical rod.

[0009] The further improvement in the technical scheme of the utility model lies in that a T-shaped sliding groove is formed on one side of the second vertical rod.

[0010] The further improvement in the technical scheme of the utility model lies in that the conveying device comprises a motor, the lower end of the motor is fixedly connected with the upper end of the antiskid plate, the output end of the motor is fixedly connected with a driving wheel, the outer surface of the driving wheel is transmissionally connected with a steel wire rope, the upper end of the outer surface of the steel wire rope is transmissionally connected with a driven wheel, one side of the driven wheel is movably connected with a fixed shaft, and one end of the fixed shaft is fixedly connected with one side of the second vertical rod.

[0011] The further improvement in the technical scheme of the utility model lies in that the lower end of the steel wire rope is fixedly connected with a lifting hook, the front end of the lifting hook is detachably connected with a tool box, the rear end of the tool box is fixedly connected with a sliding block, and the second vertical rod is slidably connected with the sliding block through the T-shaped sliding groove.

[0012] The further improvement in the technical scheme of the utility model lies in that the fixing device comprises an arc-shaped connecting plate one, the front end of the arc-shaped connecting plate one is fixedly connected with the rear end of the fixed plate, one end of the arc-shaped connecting plate one is fixedly connected with a hinge, one side of the hinge is fixedly connected with an arc-shaped connecting plate two, and the arc-shaped connecting plate one is movably connected with the arc-shaped connecting plate two through the hinge.

[0013] The further improvement in the technical scheme of the utility model lies in that the outer surface of the arc-shaped connecting plate one is slidably connected with an arc-shaped sleeve plate one, the outer surface of the arc-shaped connecting plate two is slidably connected with an arc-shaped sleeve plate two, one end of the arc-shaped sleeve plate one is provided with a bolt, the outer surface of the bolt is threadedly connected with a nut, and the arc-shaped sleeve plate one is fixedly connected with the arc-shaped sleeve plate two through the bolt and the nut.

[0014] Thanks to the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0015] 1、The utility model provides a ladder for transformer maintenance, through the common action of the antiskid plate, the sleeve joint box, the sliding plate, the supporting block, the bolt, the hinged seat, the contact area of the ladder and the ground can be increased, the friction force is increased to prevent the ladder from sliding, the ladder is prevented from side slipping, the safety of the staff is ensured, and the danger is prevented.

[0016] 2、The utility model provides a ladder for transformer maintenance, through the common action of the motor, the driving wheel, the steel wire rope, the fixed shaft, the driven wheel, the lifting hook, the sliding block and the tool box, the staff does not need to carry a large number of maintenance tools, the burden of the staff is reduced, and the staff is prevented from consuming much physical strength in the climbing process.

[0017] 3, the utility model provides a ladder for transformer maintenance, through the common effect of arc connecting plate one, arc connecting plate two, arc sleeve board one, arc sleeve board two, bolt, nut, hinge, can make the upper end of the ladder with the telegraph pole fixed, increase the security of the ladder, eliminate the occurrence of the accident in the maintenance process, guarantee the stability and safety of the maintenance personnel when carrying out the high altitude operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is transformer maintenance ladder structure schematic diagram of the utility model;

[0019] Figure 2 It is anti -skidding device structure schematic diagram of the utility model;

[0020] Figure 3 It is conveyer structure schematic diagram of the utility model;

[0021] Figure 4 It is conveyer side structure schematic diagram of the utility model;

[0022] Figure 5 It is fixed device structure schematic diagram of the utility model;

[0023] In the drawing: 1, first vertical pole;2, anti -skid device;21, skid board;22, sleeve joint box;23, sliding plate;24, support block;25, bolt;26, hinged seat;3, conveyer;31, motor;32, driving wheel;33, steel wire rope;34, fixed shaft;35, driven wheel;36, lifting hook;37, sliding block;38, tool box;4, fixed plate;5, fixed device;51, arc connecting plate one;52, arc connecting plate two;53, arc sleeve board one;54, arc sleeve board two;55, bolt;56, nut;57, hinge;6, second vertical pole;7, cross bar. DETAILED DESCRIPTION

[0024] The utility model makes further detailed explanation in combination with example:

[0025] Example 1

[0026] As Figure 1 Shown, the utility model provides a ladder for transformer maintenance, including first vertical pole 1, first vertical pole 1 one side fixed connection has multiple cross bar 7, and the cross bar 7 one side fixed connection has second vertical pole 6, and the second vertical pole 6 one side is set up T type slide groove, and the lower end of first vertical pole 1 with the lower end of second vertical pole 6 all swing -to -connect has anti -skid device 2, and the upper end of anti -skid device 2 is fixedly connected with conveyer 3, and the top rear end of first vertical pole 1 with second vertical pole 6 is fixedly connected with fixed plate 4, and the rear end of fixed plate 4 is fixedly connected with fixed device 5.

[0027] Example 2

[0028] As Figure 2 shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, antiskid device 2 includes antiskid board 21, the upper end of antiskid board 21 is fixedly connected with two sleeve boxes 22, the inner surface of sleeve box 22 is slidably connected with sliding plate 23, the upper surface of sleeve box 22 and sliding plate 23 is all set up has the bolt hole, the upper surface of sleeve box 22 is detachably connected with bolt 25, the side of sliding plate 23 is fixedly connected with support block 24, the upper end of antiskid board 21 is fixedly connected with hinged seat 26, hinged seat 26 is located between two sleeve boxes 22, and the upper end of hinged seat 26 is movably connected with the bottom of first vertical rod 1 and second vertical rod 6.

[0029] In this embodiment, first, hinged seat 26 is movably connected with first vertical rod 1 and second vertical rod 6, then first vertical rod 1 and second vertical rod 6 are adjusted to suitable climbing angle, then bolt 25 is extracted, support block 24 is transversely moved, because support block 24 is fixedly connected with sliding plate 23, so sliding plate 23 can be extracted from inside sleeve box 22 by extracting support block 24, then bolt 25 is inserted into bolt hole to fix sliding plate 23, thereby increasing the area of ladder bottom, and antiskid effect is achieved.

[0030] Embodiment 3

[0031] As Figure 3 , Figure 4 shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, conveying device 3 includes motor 31, the lower end of motor 31 is fixedly connected with the upper end of antiskid board 21, the output end of motor 31 is fixedly connected with driving wheel 32, the outer surface of driving wheel 32 is drivingly connected with steel wire rope 33, the outer surface of the upper end of steel wire rope 33 is drivingly connected with driven wheel 35, the side of driven wheel 35 is movably connected with fixed shaft 34, one end of fixed shaft 34 is fixedly connected with one side of second vertical rod 6, the lower end of steel wire rope 33 is fixedly connected with lifting hook 36, the front end of lifting hook 36 is detachably connected with tool box 38, the rear end of tool box 38 is fixedly connected with sliding block 37, and second vertical rod 6 is slidably connected with sliding block 37 through T-shaped sliding slot.

[0032] In this embodiment, first, the required maintenance tool is placed in tool box 38, the clockwise rotation of motor 31 makes driving wheel 32 rotate, because driving wheel 32 and driven wheel 35 are drivingly connected with steel wire rope 33, so the clockwise rotation of driving wheel 32 will wind steel wire rope 33, because steel wire rope 33 is fixedly connected with lifting hook 36, so the winding of steel wire rope 33 will drive lifting hook 36 to move, because lifting hook 36 is connected with tool box 38, and tool box 38 is slidably connected with second vertical rod 6 through sliding block 37, under the action of lifting hook 36 and sliding block 37, tool box 38 can move upwards along one side of second vertical rod 6.

[0033] Embodiment 4

[0034] As Figure 5 shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, the fixed device 5 includes arc connecting plate one 51, the front end of arc connecting plate one 51 is fixedly connected with the rear end of fixed plate 4, one end of arc connecting plate one 51 is fixedly connected with hinge 57, one side of hinge 57 is fixedly connected with arc connecting plate two 52, arc connecting plate one 51 is movably connected with arc connecting plate two 52 through hinge 57, the outer surface of arc connecting plate one 51 is slidably connected with arc sleeve plate one 53, the outer surface of arc connecting plate two 52 is slidably connected with arc sleeve plate two 54, one end of arc sleeve plate one 53 is provided with bolt 55, the outer surface of bolt 55 is threadedly connected with nut 56, arc sleeve plate one 53 is fixedly connected with arc sleeve plate two 54 through bolt 55 and nut 56.

[0035] In this example, first bolt 55 and nut 56 are removed from the fixed device, then the fixed device 5 is adjusted according to the diameter of the telegraph pole, the contact area between arc sleeve plate one 53 and arc connecting plate one 51, arc sleeve plate two 54 and arc connecting plate two 52 is changed by adjusting arc sleeve plate one 53 and arc sleeve plate two 54, when the appropriate size is reached, arc sleeve plate one 53, arc connecting plate one 51 and arc sleeve plate two 54, arc connecting plate two 52 are fixed, because arc connecting plate one 51 and arc connecting plate two 52 are movably connected through hinge 57, and arc sleeve plate one 53 and arc connecting plate one 51 are fixedly connected with fixed plate 4, so arc sleeve plate one 53 and arc connecting plate one 51 can only be brought into contact with the surface of the telegraph pole by rotating arc sleeve plate two 54 and arc connecting plate two 52, then arc sleeve plate one 53 and arc sleeve plate two 54 are fixed by bolt 55 and nut 56, so that the entire ladder is fixed on the surface of the telegraph pole.

[0036] The working principle of the transformer maintenance ladder will be described in detail below.

[0037] As Figures 1-5As shown, first, the first vertical rod 1 and the second vertical rod 6 are movably connected with the hinge seat 26, then the first vertical rod 1 and the second vertical rod 6 are adjusted to a suitable climbing angle, then the bolt 25 is pulled out, the support block 24 is transversely moved, since the support block 24 is fixedly connected with the sliding plate 23, the sliding plate 23 can be pulled out from the inside of the sleeve box 22 by pulling out the support block 24, then the bolt 25 is inserted into the bolt hole to fix the sliding plate 23, thereby increasing the area of the ladder bottom and achieving the anti-skid effect, then the required maintenance tools are placed in the tool box 38, the driving wheel 32 is rotated clockwise by the clockwise rotation of the motor 31, since the driving wheel 32 and the driven wheel 35 are in transmission connection with the steel wire rope 33, the clockwise rotation of the driving wheel 32 will cause the steel wire rope 33 to be wound, since the steel wire rope 33 is fixedly connected with the hook 36, the winding of the steel wire rope 33 will cause the hook 36 to move, since the hook 36 is connected with the tool box 38, the tool box 38 is slidably connected with the second vertical rod 6 through the sliding block 37, under the action of the hook 36 and the sliding block 37, the tool box 38 can move upward along one side of the second vertical rod 6, the bolt 55 and the nut 56 are removed from the fixing device, then the fixing device 5 is adjusted according to the diameter of the telegraph pole, the contact area between the arc-shaped sleeve plate one 53 and the arc-shaped connecting plate one 51 and the arc-shaped sleeve plate two 54 and the arc-shaped connecting plate two 52 is changed by adjusting the arc-shaped sleeve plate one 53 and the arc-shaped sleeve plate two 54, when the appropriate size is reached, the arc-shaped sleeve plate one 53, the arc-shaped connecting plate one 51 and the arc-shaped sleeve plate two 54 and the arc-shaped connecting plate two 52 are fixed, since the arc-shaped connecting plate one 51 and the arc-shaped connecting plate two 52 are movably connected through the hinge 57, and the arc-shaped sleeve plate one 53 and the arc-shaped connecting plate one 51 are fixedly connected with the fixed plate 4, therefore, the arc-shaped sleeve plate one 53 and the arc-shaped connecting plate one 51 can only be brought into contact with the surface of the telegraph pole by rotating the arc-shaped sleeve plate two 54 and the arc-shaped connecting plate two 52, then the arc-shaped sleeve plate one 53 and the arc-shaped sleeve plate two 54 are fixed by the bolt 55 and the nut 56, thereby fixing the entire ladder on the outer surface of the telegraph pole.

[0038] The above is a detailed description of the general utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modifications or improvements are within the scope of the utility model.

Claims

1. A transformer maintenance creeper comprising a first vertical pole (1), characterized in that: The side of the first vertical rod (1) is fixedly connected with a plurality of horizontal rods (7), one side of the horizontal rod (7) is fixedly connected with the second vertical rod (6), the lower end of the first vertical rod (1) and the lower end of the second vertical rod (6) are movably connected with the anti-skid device (2), the upper end of the anti-skid device (2) is fixedly connected with the conveying device (3), the top of the first vertical rod (1) and the second vertical rod (6) is fixedly connected with the fixed plate (4), the rear end of the fixed plate (4) is fixedly connected with the fixing device (5).

2. A maintenance ladder for a transformer as claimed in claim 1, characterised in that: The anti-skid device (2) comprises an anti-skid plate (21), the upper end of the anti-skid plate (21) is fixedly connected with two sleeve boxes (22), the inner surface of the sleeve box (22) is slidably connected with a sliding plate (23), the upper surface of the sleeve box (22) and the sliding plate (23) is provided with a bolt hole, and the upper surface of the sleeve box (22) is detachably connected with a bolt (25).

3. A maintenance cat ladder for a transformer as claimed in claim 2, characterised in that: The side of the sliding plate (23) is fixedly connected with a supporting block (24), the upper end of the anti-skid plate (21) is fixedly connected with a hinged seat (26), the hinged seat (26) is located between the two sleeve boxes (22), and the upper end of the hinged seat (26) is movably connected with the bottom of the first vertical rod (1) and the second vertical rod (6).

4. A maintenance ladder for a transformer as claimed in claim 1, characterized in that: The side of the second vertical rod (6) is provided with a T-shaped sliding groove.

5. A maintenance ladder for a transformer as claimed in claim 1, wherein: The conveying device (3) comprises a motor (31), the lower end of the motor (31) is fixedly connected with the upper end of the anti-skid plate (21), the output end of the motor (31) is fixedly connected with a driving wheel (32), the outer surface of the driving wheel (32) is drivingly connected with a steel wire rope (33), the upper end of the outer surface of the steel wire rope (33) is drivingly connected with a driven wheel (35), one side of the driven wheel (35) is movably connected with a fixed shaft (34), and one end of the fixed shaft (34) is fixedly connected with one side of the second vertical rod (6).

6. A maintenance cat ladder for a transformer as claimed in claim 5, characterised in that: The lower end of the steel wire rope (33) is fixedly connected with a hook (36), the front end of the hook (36) is detachably connected with a tool box (38), the rear end of the tool box (38) is fixedly connected with a sliding block (37), and the second vertical rod (6) is slidably connected with the sliding block (37) through the T-shaped sliding groove.

7. A maintenance ladder for a transformer as claimed in claim 1, characterized in that: The fixing device (5) comprises an arc-shaped connecting plate one (51), the front end of the arc-shaped connecting plate one (51) is fixedly connected with the rear end of the fixed plate (4), one end of the arc-shaped connecting plate one (51) is fixedly connected with a hinge (57), one side of the hinge (57) is fixedly connected with an arc-shaped connecting plate two (52), and the arc-shaped connecting plate one (51) is movably connected with the arc-shaped connecting plate two (52) through the hinge (57).

8. A maintenance ladder for a transformer according to claim 7, characterised in that: The outer surface of the arc-shaped connecting plate one (51) is slidably connected with an arc-shaped sleeve plate one (53), the outer surface of the arc-shaped connecting plate two (52) is slidably connected with an arc-shaped sleeve plate two (54), one end of the arc-shaped sleeve plate one (53) is provided with a bolt (55), the outer surface of the bolt (55) is threadedly connected with a nut (56), and the arc-shaped sleeve plate one (53) is fixedly connected with the arc-shaped sleeve plate two (54) through the bolt (55) and the nut (56).

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