CN215221633U - Protection device for power transformation operation switch - Google Patents

Abstract

The utility model discloses a protection device for transformer operation switch, including protection device main part, transformer guard box and cable, protection device main part inner wall is fixed with the transformer guard box, transformer guard box bottom end and cable junction, the transformer guard box outer wall outside the cable is fixed with the fixed plate, set up the spout in the fixed plate, and sliding connection has the slider in the spout, the slider is fixed with the outer wall of block pole, it is provided with the spring to twine on the block pole, the inner and the block groove block of block pole, the block groove is seted up in the cable, the outer end of block pole is fixed with the pull rod; through the fixed plate, spout, slider, block pole, spring, block groove and the pull rod that sets up, can make the cable when pegging graft fixedly with the transformer guard box, can form through the block pole and consolidate, drop when effectively avoiding the cable to peg graft.

Description

Protection device for power transformation operation switch

Technical Field

The utility model relates to a transformer switch protection technical field especially relates to a protection device for transformer operation switch.

Background

Transformation is the process of transferring electric energy through a transformer. The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core, a power transformation operation switch is generally provided with a power transformation cabinet for protection, a power transformation box is arranged in the power transformation cabinet for carrying out multiple protection on the switch, and the power transformation box plays a role of electrifying through a cable.

However, the existing protection device for the transformer operation switch still has some disadvantages, the transformer protection box and the cable in the traditional protection device for the transformer operation switch are in common plug connection, but after long-term use, the cable plug can be loose, and if the cable plug is not firm, the cable plug can stop working, so that the protection device for the transformer operation switch is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a protection device for transformer operation switch through fixed plate, spout, slider, block pole, spring, block groove and the pull rod that sets up, can make the cable when pegging graft fixedly with the transformer guard box, can form through the block pole and consolidate, drops when effectively avoiding the cable to peg graft.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a protection device for transformer operation switch, includes protection device main part, transformer guard box and cable, protection device main part inner wall is fixed with the transformer guard box, transformer guard box bottom and cable junction, the transformer guard box outer wall in the cable outside is fixed with the fixed plate, set up the spout in the fixed plate, and sliding connection has the slider in the spout, the slider is fixed with the outer wall of block pole, the winding is provided with the spring on the block pole, the inner and the block groove block of block pole, the block groove is seted up in the cable, the outer end of block pole is fixed with the pull rod.

As an optimal technical scheme of the utility model, protection device main part inner wall is fixed with the containing box through fixing bolt, it has the closing plate to articulate on the containing box, be fixed with the handle on the closing plate.

As a preferred technical scheme of the utility model, the spout symmetry is provided with two sets ofly in the fixed plate, every group the length size of spout all is greater than the length size in block groove.

As an optimal technical scheme of the utility model, the one end and the slider outer wall connection of spring, the other end and the fixed plate outer wall connection of spring.

As an optimized technical scheme of the utility model, the shape of pull rod sets up to the ring form, be provided with the line on the pull rod.

As an optimal technical scheme of the utility model, the length size of closing plate is less than the length size of containing box, the opening of isometric size with closing plate is seted up to the containing box top.

As an optimal technical scheme of the utility model, fixing bolt longitudinal symmetry is provided with two sets ofly.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through the arrangement of the fixing plate, the sliding groove, the sliding block, the clamping rod, the spring, the clamping groove and the pull rod, before a worker needs to plug a cable, the pull rods at two ends are pulled outwards at first, so that the pull rod drives the clamping rod to slide outwards in the sliding groove through the sliding block, the spring is extruded to deform in the sliding process, then the cable is plugged with the power transformation protection box, the pull rods at two ends can be loosened by the worker, at the moment, the restoring force generated by the elasticity of the spring pushes the clamping rod to be clamped with the clamping groove in the cable to form fixation, and when the cable is plugged and fixed with the power transformation protection box through the device, the cable can be reinforced through the clamping rod, and the cable is effectively prevented from falling off during plugging;

2. through the containing box that sets up, the closing plate, handle and fixing bolt, the staff can fix the containing box on the inner wall of protection device main part through fixing bolt, then place the instrument that needs the maintenance usefulness in the protection device main part in the containing box, when the part of protection device main part is maintained to needs, only need twist and move the handle and open the closing plate, make the closing plate rotate and open, then take out the repair tools in the containing box, maintain by oneself can, can make the interior finding of protection device main part need maintain through this device, need not ask the maintainer to come to maintain, can be swiftly convenient find the instrument maintain, time saving and labor saving.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic view of the structural front view section of the present invention in an active state;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 4 is a schematic view of the active state of the structure shown in fig. 3;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention;

wherein: 1. a protection device main body; 2. a power transformation protection box; 3. a cable; 41. a fixing plate; 42. a chute; 43. a slider; 44. a clamping rod; 45. a spring; 46. a clamping groove; 47. a pull rod; 51. a storage box; 52. a closing plate; 53. a handle; 54. and (5) fixing the bolt.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 to 5, a protection device for a power transformation operation switch includes a protection device main body 1, a power transformation protection box 2 and a cable 3, the power transformation protection box 2 is fixed on an inner wall of the protection device main body 1, a bottom end of the power transformation protection box 2 is connected with the cable 3, a fixing plate 41 is fixed on an outer wall of the power transformation protection box 2 outside the cable 3, a sliding groove 42 is formed in the fixing plate 41, a sliding block 43 is connected in the sliding groove 42 in a sliding manner, the sliding block 43 is fixed with an outer wall of a clamping rod 44, a spring 45 is wound on the clamping rod 44, an inner end of the clamping rod 44 is clamped with a clamping groove 46, the clamping groove 46 is opened in the cable 3, and a pull rod 47 is fixed on an outer end of the clamping rod 44;

before the staff need peg graft cable 3, at first outwards stimulate the pull rod 47 at both ends, make pull rod 47 drive block pole 44 and pass through slider 43 and outwards slide in spout 42, the extrusion spring 45 produces deformation in the slip process, then peg graft cable 3 and transformer protection case 2, at this moment the staff can become flexible both ends pull rod 47, the resilience that spring 45 self produced promotes block pole 44 and the block groove 46 block formation in the cable 3 is fixed this moment, can make cable 3 peg graft fixedly with transformer protection case 2 through this device, can form the reinforcement through block pole 44, drop when effectively avoiding cable 3 to peg graft.

In other embodiments, the inner wall of the protection device main body 1 is fixed with an accommodating box 51 through a fixing bolt 54, a closing plate 52 is hinged on the accommodating box 51, and a handle 53 is fixed on the closing plate 52;

the staff can fix containing box 51 on the inner wall of protection device main part 1 through fixing bolt 54, then place the instrument that needs the maintenance usefulness in the protection device main part 1 in containing box 51, when the part of protection device main part 1 was maintained to needs, only need twist to move handle 53 and open closing plate 52, make closing plate 52 rotate and open, then take out the maintenance tool in containing box 51, maintain by oneself can, can make the finding in the protection device main part 1 when needing the maintenance through this device, need not ask the maintenance personal to come to maintain, can be swiftly convenient find the instrument and maintain, time saving and labor saving.

In other embodiments, two sets of sliding grooves 42 are symmetrically disposed in the fixing plate 41, and the length of each set of sliding grooves 42 is greater than the length of the engaging groove 46;

this is provided to ensure that the inner end of the engaging rod 44 is just completely separated from the engaging groove 46 after the engaging rod 44 is moved from the inner end to the outer end of the slide groove 42 by the slider 43.

In other embodiments, one end of the spring 45 is connected to the outer wall of the slider 43, and the other end of the spring 45 is connected to the outer wall of the fixing plate 41;

the purpose of this arrangement is to engage the engaging rod 44 with a restoring force generated by the elasticity of the spring 45 itself, thereby achieving the purpose of restricting and releasing the restriction of the engaging groove 46.

In other embodiments, the shape of the pull rod 47 is circular, and the pull rod 47 is provided with grains;

the purpose of this arrangement is to ensure that the worker pulls the pull rod 47 to easily drive the engaging rod 44 to move, and the lines are provided to prevent the occurrence of hand slippage.

In other embodiments, the length of the closing plate 52 is smaller than the length of the containing box 51, and the top end of the containing box 51 is provided with an opening with the same length as the closing plate 52;

the purpose of this is to ensure that the top of the storage box 51 is not covered by the closing plate 52 after closing, and to leave a space for the fixing bolt 54 to fix the storage box 51.

In other embodiments, two sets of the fixing bolts 54 are symmetrically arranged up and down;

this is provided to ensure that the holding box 51 is firmly fixed to the inner wall of the protection device body 1.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a protection device for transformer operation switch, includes protection device main part (1), transformer guard box (2) and cable (3), protection device main part (1) inner wall is fixed with transformer guard box (2), transformer guard box (2) bottom is connected its characterized in that with cable (3): the outer wall of the power transformation protection box (2) on the outer side of the cable (3) is fixed with a fixing plate (41), a sliding groove (42) is formed in the fixing plate (41), a sliding block (43) is connected in the sliding groove (42) in a sliding mode, the sliding block (43) is fixed with the outer wall of a clamping rod (44), a spring (45) is arranged on the clamping rod (44) in a winding mode, the inner end of the clamping rod (44) is clamped with a clamping groove (46), the clamping groove (46) is formed in the cable (3), and a pull rod (47) is fixed at the outer end of the clamping rod (44).

2. A protection device for a power transformation operation switch according to claim 1, characterized in that: the inner wall of the protection device main body (1) is fixed with a containing box (51) through a fixing bolt (54), the containing box (51) is hinged with a closing plate (52), and a handle (53) is fixed on the closing plate (52).

3. A protection device for a power transformation operation switch according to claim 1, characterized in that: the sliding grooves (42) are symmetrically arranged in two groups in the fixing plate (41), and the length of each group of sliding grooves (42) is larger than that of the clamping groove (46).

4. A protection device for a power transformation operation switch according to claim 1, characterized in that: one end of the spring (45) is connected with the outer wall of the sliding block (43), and the other end of the spring (45) is connected with the outer wall of the fixing plate (41).

5. A protection device for a power transformation operation switch according to claim 2, characterized in that: the pull rod (47) is annular, and the pull rod (47) is provided with grains.

6. A protection device for a power transformation operation switch according to claim 2, characterized in that: the length of the closing plate (52) is smaller than that of the containing box (51), and an opening with the same length as the closing plate (52) is formed in the top end of the containing box (51).

7. A protection device for a power transformation operation switch according to claim 2, characterized in that: two groups of fixing bolts (54) are arranged in an up-and-down symmetrical mode.

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