Isolation frame for electrical equipment maintenance

Abstract

The utility model discloses an isolation frame for electrical equipment maintenance, and relates to the technical field of maintenance equipment, the isolation frame comprises at least four shear fork type telescopic frames and further comprises two clamping assemblies, each shear fork type telescopic frame is provided with a driving assembly for driving the shear fork type telescopic frame to stretch out and draw back, and the four shear fork type telescopic frames are arranged at intervals in the transverse direction. Sleeves are hinged to the two ends of two shear fork arms at the head and the tail of each shear fork type telescopic frame, and the same driving rod is movably sleeved with the two sleeves at the same end of the same shear fork type telescopic frame. According to the isolation frame for electrical equipment maintenance, the scissor fork type telescopic frame design is adopted, the size is small, carrying and transportation are convenient, the problems that an existing isolation frame is large in size and inconvenient to carry are solved, in addition, the length of the telescopic frame is rapidly adjusted by shaking a rocking handle, rapid fixing is conducted after angle adjustment, the length of the telescopic frame can be flexibly adjusted according to the size of equipment, and the operation is convenient. The device is suitable for devices of different sizes, and the efficiency of maintenance work is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of overhauling equipment, in particular to an isolation frame for electrical equipment overhaul. BACKGROUND

[0002] When electrical equipment is overhauled, an isolation frame needs to be arranged on the lateral side of the electrical equipment to prevent non-working personnel from entering the overhaul area and to avoid safety accidents.

[0003] Therefore, it is necessary to provide an isolation frame for electrical equipment overhaul to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a kind of isolation frames for electrical equipment overhaul, to solve the problem that the existing isolation frame is inconvenient to carry in the above background technology, and when erecting, it often needs to spend a lot of time, affect maintenance efficiency.

[0005] Technical scheme: to achieve the above purposes, the utility model is realized by the following technical schemes: a kind of isolation frame for electrical equipment overhaul, including at least four scissor type telescopic stands, further including two clamping assemblies, and each scissor type telescopic stand is equipped with the drive assembly that drives its telescopic, four described scissor type telescopic stands are arranged along horizontal direction interval, and the two ends of the first and last two scissor arms of each scissor type telescopic stand are hingedly connected with sleeve, and the same end of the same scissor type telescopic stand is movably sleeved with the same drive rod in two sleeves;The upper and lower ends of the two drive rods of the outermost side are all fixedly installed with fixed plate, and the two fixed plates of the same end are clamped together by clamping assembly, and the upper end of the two drive rods between adjacent two scissor type telescopic stands is rotatably installed with the same top plate, and the lower end is rotatably installed with the same base.

[0006] Preferably, four described fixed plates are arranged along vertical direction interval, and two clamping assemblies are respectively arranged on the inner side of the inner two fixed plates, and the four fixed plates are all provided with through hole, and the clamping assembly includes tension spring fixedly installed on fixed plate, the other end of tension spring is fixedly installed with baffle, and the baffle is fixedly installed with bolt, and the one end of bolt passes through tension spring and is inserted into corresponding through hole.

[0007] Preferably, the drive assembly of the middle two scissor type telescopic stands is arranged on the middle top plate, and the drive assembly of the outer two scissor type telescopic stands is arranged on the adjacent side top plate, and the two drive rods on the middle top plate are all reciprocating screw rods, and the drive rods on the outer two top plates are reciprocating screw rod and light pole respectively, and the two light poles are all close to the middle top plate.

[0008] Preferably, the top ends of the four reciprocating screws all penetrate the corresponding top plates, the driving assembly comprises a crank handle fixedly installed at the top end of the reciprocating screw, and further comprises a screw cylinder threadedly sleeved on the upper and lower portions of the reciprocating screw, the sleeves at the adjacent ends of the middle two scissor-type telescopic frames are respectively rotationally sleeved on the screw cylinders on the middle two reciprocating screws, and the sleeves at the adjacent ends of the two scissor-type telescopic frames on the outer side are respectively rotationally sleeved on the screw cylinders on the adjacent reciprocating screws.

[0009] Preferably, the four scissor-type telescopic frames are all provided with warning signs, and the four warning signs are all fixedly connected with the pivot of one of the scissor arms of the corresponding scissor-type telescopic frame.

[0010] Beneficial effects: Compared with the prior art, the utility model provides an isolation frame for electrical equipment maintenance, the isolation frame for electrical equipment maintenance has unique structure and is convenient to use, the isolation frame comprises four scissor-type telescopic frames, each telescopic frame is provided with a driving assembly, two screw cylinders on the same reciprocating screw are driven to approach or move away from each other by shaking the crank handle, when the screw cylinders approach each other, the scissor-type telescopic frame is elongated, so that the length of the telescopic frame can be adjusted according to the size of the equipment, and the equipment of different sizes can be adapted; when each scissor-type telescopic frame is elongated to a certain length, the angle between the adjacent two scissor-type telescopic frames is adjusted, the equipment to be maintained is enclosed, and non-maintenance personnel are prevented from entering; when the isolation frame encloses the equipment to be maintained, the baffle is pulled, the bolt is pulled out of the penetration hole, and then the penetration holes of the upper two fixed plates and the lower two fixed plates are coincided. The baffle is loosened, the bolt is inserted into the penetration hole under the action of the tension spring, so that the isolation frame is fixed at the two ends; the four scissor-type telescopic frames are all provided with warning signs, the warning signs are fixedly connected with the pivot of one of the scissor arms of the corresponding scissor-type telescopic frame, the warning signs are arranged on the four sides of the isolation frame, and non-working personnel can be prevented from entering the enclosed area of the isolation frame from the side without the warning sign.

[0011] The isolation frame adopts the design of the scissor-type telescopic frame, has small volume and is convenient to carry and transport, solves the problem that the existing isolation frame has large volume and is inconvenient to carry, in addition, the length of the telescopic frame is quickly adjusted by shaking the crank handle, and the angle is quickly fixed after adjustment, so that the length of the telescopic frame can be flexibly adjusted according to the size of the equipment, different size equipment can be adapted, and the efficiency of the maintenance work is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional schematic view of the structure of the utility model;

[0013] Figure 2 It is a working schematic view of the structure of the utility model;

[0014] Figure 3 It is a three-dimensional schematic view of the structure of the utility model Figure 2 It is an enlarged schematic view of the structure of the middle A area;

[0015] Figure 4 For the utility model Figure 2 The enlarged schematic view of the structure of the middle B area.

[0016] In the figure: 1, scissor type telescopic frame; 2, sleeve; 3, drive rod; 4, fixed plate; 5, top plate; 6, base; 7, clamping assembly; 71, tension spring; 72, baffle; 73, bolt; 8, drive assembly; 81, handle; 82, cylinder; 9, warning sign. DETAILED DESCRIPTION

[0017] The utility model is further explained below in combination with the drawings and examples.

[0018] Example 1: the example 1 provides a kind of isolation frame for electrical equipment overhaul, directly improves on existing isolation frame, and structure is unique, please refer to Figures 1-4 As shown in the figure, it comprises at least four scissor type telescopic frames 1, further comprises two clamping assemblies 7, and each scissor type telescopic frame 1 is provided with the drive assembly 8 for driving its telescopic, four described scissor type telescopic frames 1 are arranged along horizontal direction interval, and the two ends of the first and last two scissor arms of each scissor type telescopic frame 1 are hingedly connected with sleeve 2, and the same end of the same scissor type telescopic frame 1 is movably sleeved with the same drive rod 3 in two sleeves 2;The upper and lower ends of the two outermost drive rods 3 are fixedly installed with fixed plate 4, and the two fixed plates 4 at the same end are clamped together by clamping assembly 7, the upper end of the two drive rods 3 between adjacent two scissor type telescopic frames 1 is rotatably installed with the same top plate 5, and the lower end is rotatably installed with the same base 6, and the installation mode of top plate 5 and base 6 on two drive rods 3 has multiple, for example: the adjacent surfaces of top plate 5 and base 6 are both spaced apart and provided with two installation grooves, bearings are arranged in the installation grooves, and the two ends of two drive rods 3 are rotatably installed in the corresponding installation grooves by bearings.

[0019] Four described fixed plates 4 are arranged along vertical direction interval, and two clamping assemblies 7 are arranged on the inner side surface of the inner two fixed plates 4 respectively, and the four fixed plates 4 are all provided with through holes, and the clamping assembly 7 comprises tension spring 71 fixedly installed on fixed plate 4, the other end of tension spring 71 is fixedly installed with baffle 72, baffle 72 is fixedly installed with bolt 73, and one end of bolt 73 passes through tension spring 71 and is inserted into the corresponding through hole;The drive assembly 8 of the middle two scissor type telescopic frames 1 is arranged on the middle top plate 5, and the drive assembly 8 of the outer two scissor type telescopic frames 1 is arranged on the adjacent side top plate 5, and the two drive rods 3 on the middle top plate 5 are both reciprocating screw rods, and the drive rods 3 on the outer two top plates 5 are reciprocating screw rod and light pole respectively, and the two light poles are close to the middle top plate 5.

[0020] The top ends of the four reciprocating screws all penetrate the corresponding top plates 5, the driving assembly 8 comprises a crank 81 fixedly installed at the top end of the reciprocating screw, and further comprises a screw cylinder 82 threadedly sleeved on the upper and lower portions of the reciprocating screw, the sleeves 2 at the adjacent ends of the middle two scissor-type telescopic frames 1 are respectively rotationally sleeved on the screw cylinders 82 on the middle two reciprocating screws, and the sleeves 2 at the adjacent ends of the two scissor-type telescopic frames 1 on the outer side are respectively rotationally sleeved on the screw cylinders 82 on the adjacent reciprocating screws.

[0021] Working principle: when the maintenance personnel use the isolation frame to isolate the equipment to be overhauled, the crank 81 can be shaken to drive the reciprocating screw to rotate, and since the thread directions at the two ends of the reciprocating screw are opposite, the two screw cylinders 82 on the same reciprocating screw will move away from or close to each other, when the two screw cylinders 82 on the reciprocating screw move close to each other, the scissor-type telescopic frame 1 is elongated, and in use, the length of the scissor-type telescopic frame 1 can be adjusted according to the size of the equipment, so that the equipment of different sizes can be adapted; when each scissor-type telescopic frame 1 is elongated to a certain length, the angle between the adjacent two scissor-type telescopic frames 1 is adjusted to enclose the equipment to be overhauled, so as to prevent non-maintenance personnel from entering, when the isolation frame encloses the equipment to be overhauled, the baffle 72 is pulled to pull the bolt 73 out of the penetration hole, and then the penetration holes of the upper two fixed plates 4 and the lower two fixed plates 4 are coincided, at this time, the baffle 72 is loosened, and the bolt 73 can be inserted into the penetration hole under the action of the tension spring 71, so that the isolation frame is fixed at the two ends.

[0022] Embodiment 2: the difference between embodiment 2 and embodiment 1 lies in that Figure 2 As shown in the figure, the four scissor-type telescopic frames 1 are all provided with warning signs 9, and the four warning signs 9 are all fixedly connected with the pivot of one of the scissor arms of the corresponding scissor-type telescopic frame 1, by arranging the warning signs 9 on the four sides of the isolation frame, it can be avoided that the non-working personnel enter the enclosed area of the isolation frame from the side without the warning sign 9.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An isolation frame for electrical equipment maintenance, comprising at least four scissor-type telescopic frames (1), characterized in that: Two clamping assemblies (7) are further included, and each scissor type telescopic frame (1) is provided with a driving assembly (8) for driving the telescopic movement thereof, four scissor type telescopic frames (1) are arranged in a transverse direction, and the two ends of the first and last scissor arms of each scissor type telescopic frame (1) are hingedly connected with sleeves (2), and the two sleeves (2) at the same end of the same scissor type telescopic frame (1) movably accommodate the same driving rod (3).

2. The isolation frame for electrical equipment maintenance according to claim 1, characterized in that: The upper and lower ends of the two driving rods (3) of the outermost two driving rods (3) are fixedly provided with fixed plates (4), the two fixed plates (4) at the same end are clamped together through the clamping assembly (7), and the upper end of the two driving rods (3) between the adjacent two scissor type telescopic frames (1) is rotatably provided with the same top plate (5), and the lower end is rotatably provided with the same base (6).

3. The isolation frame for electrical equipment maintenance according to claim 1, characterized in that: The four fixed plates (4) are arranged in a vertical direction, and the two clamping assemblies (7) are arranged on the inner side surfaces of the inner two fixed plates (4), the four fixed plates (4) are provided with through holes, the clamping assembly (7) comprises a tension spring (71) fixedly arranged on the fixed plate (4), the other end of the tension spring (71) is fixedly provided with a baffle (72), the baffle (72) is fixedly provided with a latch (73), and one end of the latch (73) penetrates through the tension spring (71) and is inserted into the corresponding through hole.

4. The isolation frame for electrical equipment maintenance according to claim 3, characterized in that: The driving assembly (8) of the middle two scissor type telescopic frames (1) is arranged on the middle top plate (5), the driving assembly (8) of the outer two scissor type telescopic frames (1) is arranged on the adjacent side top plate (5), the two driving rods (3) on the middle top plate (5) are both reciprocating screws, the driving rods (3) on the outer two top plates (5) are respectively reciprocating screws and light rods, and the two light rods are close to the middle top plate (5).

5. The isolation frame for electrical equipment maintenance according to claim 1, characterized in that: The top ends of the four reciprocating screws penetrate through the corresponding top plates (5), the driving assembly (8) comprises a crank handle (81) fixedly arranged at the top end of the reciprocating screw, and further comprises a screw cylinder (82) threadedly sleeved on the upper and lower portions of the reciprocating screw, the sleeves (2) at the adjacent ends of the middle two scissor type telescopic frames (1) are rotatably sleeved on the screw cylinders (82) of the middle two reciprocating screws, and the sleeves (2) at the adjacent ends of the outer two scissor type telescopic frames (1) are rotatably sleeved on the screw cylinders (82) of the adjacent reciprocating screws. The four scissor type telescopic frames (1) are provided with warning signs (9), and the four warning signs (9) are fixedly connected with the pivot of one of the scissor arms of the corresponding scissor type telescopic frame (1).

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