Relay protection screen cable fixing device

Abstract

The invention relates to a relay protection screen cable fixing device which comprises a support and is characterized in that the support is provided with a plurality of cable fixing buckles internally provided with abutting pieces, the cable fixing buckles are connected with a cable protection sleeve, the cable protection sleeve is provided with a plurality of threading holes, and the support is connected with a relay protection screen through an adjusting mechanism. The front fastener and the rear fastener on the front long-strip fixing piece and the rear long-strip fixing piece are mutually connected in an inserted mode to clamp the end of the cable, and the cable in the relay protection screen can be fixed in cooperation with the cable protection sleeve. And meanwhile, the cable can be shielded, so that the cable is prevented from being damaged by mistake when other cables are maintained. The service life of the whole cable can be prolonged to a certain extent, the problem that the cable in the relay protection screen cannot be fixed in the prior art is effectively solved, and the effects of arranging the cable in the relay protection screen and facilitating follow-up maintenance are achieved.

Description

Technical Field

[0001] The invention relates to a fixing device, in particular to a relay protection screen cable fixing device, belonging to the technical field of electrical engineering. Background Art

[0002] The main transformer relay protection screen is an important device for protecting the transformer. It can quickly cut off the power supply when the transformer fails, avoid the expansion of the accident, and protect the equipment and personal safety. The main functions of the main transformer relay protection screen include differential protection, backup protection, non-electrical protection, etc. When installing the main transformer relay protection screen, it is necessary to wire and set it according to the specifications to ensure its normal operation. At the same time, during the operation process, it is necessary to regularly check and test the performance and function of the main transformer relay protection screen, timely discover and deal with potential safety hazards, and ensure its reliability and stability. Since there are a large number of cables in the relay protection screen and they cannot be fixed, the cables are prone to intertwining and entanglement. This not only brings inconvenience to equipment maintenance, but also often causes cable damage during maintenance. Therefore, it is necessary to improve the existing technology. Summary of the invention

[0003] In order to solve the problem that the cables in the existing relay protection screen are intertwined and entangled, causing maintenance difficulties and cable damage, the present invention provides a relay protection screen cable fixing device.

[0004] The present invention is completed through the following technical solutions: a cable fixing device for a relay protection screen, including a bracket, characterized in that the bracket is provided with a plurality of cable fixing buckles with a resistance piece therein, the cable fixing buckles are connected to the cable protection sleeve, the cable protection sleeve is provided with a plurality of threading holes, the bracket is connected to the relay protection screen through an adjustment mechanism so that the cable end can be inserted into the cable fixing buckle, and the cable is fixed by the resistance piece in the cable fixing buckle contacting with the outer wall of the cable, thereby fixing multiple cables neatly on the bracket, and the position of the bracket can be adjusted through the adjustment mechanism to adapt to various installation forms.

[0005] The bracket is composed of front and rear long strip fixing members, and the inner sides of the front and rear long strip fixing members are provided with long through grooves with opposite notches, and multiple installation grooves are spaced apart on the two side walls of the long through grooves. The installation grooves on the front and rear long strip fixing members are symmetrically arranged, and the cable fixing buckles are arranged in the installation grooves. The long through grooves of the front and rear long strip fixing members are provided with multiple screw holes corresponding to each other, and connecting bolts and nuts are arranged in the corresponding screw holes in pairs, so that the front and rear long strip fixing members can be connected to each other through the connecting bolts and nuts to form a bracket.

[0006] The cable fixing buckle includes a front buckle and a rear buckle which are correspondingly arranged in the front and rear long fixing member installation grooves. The front buckle and the rear buckle are configured as groove-type buckles with grooves facing each other and plugged into each other. The front buckle and the rear buckle are plugged into each other to form a rectangular column sleeve with open ends. The abutment is configured as an abutment column with a front end adapted to the shape of the outer wall of the cable and a rear end vertically connected to the bottom of the grooves of the front buckle and the rear buckle, so that after the front buckle and the rear buckle are plugged into the cable end, the abutment column can be used to achieve abutment and fixation with the cable.

[0007] The adjustment mechanism includes a telescopic rod plugged into the two ends of the rear long strip fixing member, a plurality of strip through holes arranged on the telescopic rod, and adjustment bolts and nuts matched with the strip through holes are arranged at the two ends of the rear long strip fixing member, wherein a slide groove is arranged on the telescopic rod, and one end of the slide groove connected with the rear long strip fixing member is arranged as an open end, and a connecting hole is opened on the side wall of the slide groove at the other end, and the rear long strip fixing member is slidably plugged into the telescopic rod through the open end of the slide groove, so that the bracket is fixed in the relay protection screen through the telescopic rod on the adjustment mechanism, and the position of the bracket is adjusted through the strip through holes.

[0008] The cable protective cover is configured as a long groove-shaped rod, and both ends of the long groove-shaped rod are configured to be open, one of the open ends is connected to the end of the cable fixing buckle, and a plurality of threading holes are evenly spaced along the two side walls of the long groove-shaped rod. A sliding cover with a length adapted thereto is provided at the groove of the long groove-shaped rod, and both side edges of the sliding cover are bent inward, and the bent edges are matched with the sliding grooves provided on the top of the two side walls of the long groove-shaped rod, so that the remaining part of the cable can be placed through the cable protective cover, and the wiring can be conveniently routed through the threading holes.

[0009] The present invention has the following advantages and effects: By adopting the above scheme, the front fasteners and the rear fasteners on the front and rear long strip fixing parts are plugged into each other to clamp the cable ends, and in combination with the cable protective sleeve, the cables in the relay protection screen can be fixed. It can avoid the cables from being intertwined with each other, and at the same time, the cables can be shielded to prevent the cables from being accidentally damaged when maintaining other cables. It can extend the service life of the entire cable to a certain extent, effectively solve the problem that the cables in the relay protection screen cannot be fixed in the prior art, and play a role in arranging the cables in the relay protection screen and facilitating subsequent maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 A three-dimensional diagram of the present invention; Figure 2 It is a bottom-up stereogram of the present invention; Figure 3 It is a rear perspective view of the present invention; Figure 4 It is a top view of the present invention. DETAILED DESCRIPTION

[0011] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0012] The cable fixing device of the relay protection screen provided by the present invention comprises a bracket 1, on which a plurality of cable fixing buckles 8 with a resisting member 18 therein are provided, the cable fixing buckles 8 are connected to a cable protection sleeve 7, and a plurality of threading holes 6 are provided on the cable protection sleeve 7. The bracket 1 is connected to the relay protection screen through an adjusting mechanism 2 so that the cable end can be inserted into the corresponding cable fixing buckle 8, and the resisting member 18 in the cable fixing buckle 8 contacts with the outer wall of the cable to fix the cable, thereby fixing a plurality of cables neatly on the bracket 1, and the position of the bracket 1 can be adjusted through the adjusting mechanism 2 to adapt to various installation forms.

[0013] The bracket 1 is composed of a front long strip fixing member 16 and a rear long strip fixing member 20. The inner sides of the front long strip fixing member 16 and the rear long strip fixing member 20 are provided with long through grooves 19 with opposite notches. A plurality of mounting grooves 17 are spaced apart on the two side walls of the long through grooves 19. The mounting grooves 17 on the front long strip fixing member 16 and the rear long strip fixing member 20 are symmetrically arranged. The cable fixing buckle 8 is arranged in the mounting groove 17. A plurality of screw holes 14 are spaced apart at the bottom of the long through grooves 19 of the front long strip fixing member 16 and the rear long strip fixing member 20. Connecting bolts and nuts 9 are arranged in the corresponding screw holes 14 so that the front and rear long strip fixing members 16 and 20 can be connected to each other to form the bracket 1 through the connecting bolts and nuts 9.

[0014] The cable fixing buckle 8 includes a front fastener 15 and a rear fastener 21 which are correspondingly arranged in the installation grooves 17 of the front long strip fixing member 16 and the rear long strip fixing member 20. The front fastener 15 and the rear fastener 21 are configured as slot-type fasteners with grooves facing each other and plugged into each other. The front fastener 15 and the rear fastener 21 are plugged into each other to form a rectangular column sleeve with open upper and lower ends. The front fastener 15 and the rear fastener 21 are respectively provided with a resistance member 18, which is configured as two opposing resistance columns, and the opposing ends of the two resistance columns are symmetrically configured as teeth for clamping the outer wall of the cable, so that the inserted cable end can be fixed by the resistance columns in the front fastener 15 and the rear fastener 21.

[0015] The adjustment mechanism 2 includes a telescopic rod 11 plugged into the two ends of the rear long strip fixing member 20, a plurality of strip through holes 12 provided on the telescopic rod 11, and adjustment bolts and nuts 13 matched with the strip through holes 12 are respectively provided at the two ends of the rear long strip fixing member 20, wherein: an open slide groove is provided at the inner end of the telescopic rod 11, and the open slide groove is slidably plugged into the corresponding end of the rear long strip fixing member 20, and a connecting hole 10 is provided on the groove wall at the outer end of the telescopic rod 11, so as to adjust the extension or retraction of the telescopic rod 11 through the strip through hole 12, so that the bracket 1 can be fixed in the relay protection screen.

[0016] The cable protective cover 7 is configured as a long groove-shaped rod, and both ends of the long groove-shaped rod are configured to be open, one of the open ends is connected to the end of the cable fixing buckle 8, and a plurality of threading holes 6 are evenly spaced along the two side walls of the long groove-shaped rod. A sliding cover 3 with a length adapted thereto is provided at the notch of the long groove-shaped rod. Both side edges of the sliding cover 3 are bent inward to form a bending edge 4, and the bending edge 4 is slidably matched with a sliding groove 5 provided at the notch end of the long groove-shaped rod, so that the remaining part of the cable can be placed through the cable protective cover 7, and the wiring is conveniently routed through the threading holes 6.

[0017] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0018] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A relay protection screen cable fixing device, comprising a bracket, Features The bracket is provided with a plurality of cable fixing buckles with internally arranged abutments, the cable fixing buckles are connected with the cable protection sleeve, the cable protection sleeve is provided with a plurality of threading holes, and the bracket is connected with the relay protection screen through an adjusting mechanism.

2. The cable fixing device for the relay protection screen according to claim 1, Features The bracket is composed of front and rear long strip fixing members, and the inner sides of the front and rear long strip fixing members are provided with long through grooves with opposite notches, and multiple installation grooves are spaced apart on the two side walls of the long through grooves. The installation grooves on the front and rear long strip fixing members are symmetrically arranged, and the cable fixing buckles are arranged in the installation grooves. The long through grooves of the front and rear long strip fixing members are provided with multiple screw holes corresponding to each other, and connecting bolts and nuts are arranged in the corresponding screw holes.

3. The cable fixing device for the relay protection screen according to claim 1, Features The cable fixing buckle includes a front buckle and a rear buckle which are correspondingly arranged in the front and rear long fixing member installation grooves. The front buckle and the rear buckle are configured as groove-type buckles with grooves facing each other and plugged into each other. The front buckle and the rear buckle are plugged into each other to form a rectangular column sleeve with open ends. The abutment is configured as an abutment column with a front end adapted to the shape of the outer wall of the cable and a rear end vertically connected to the bottom of the grooves of the front buckle and the rear buckle.

4. The cable fixing device for the relay protection screen according to claim 1, Features The adjustment mechanism includes a telescopic rod plugged into the two ends of the rear long strip fixing member, a plurality of strip through holes provided on the telescopic rod, and adjustment bolts and nuts matched with the strip through holes provided at the two ends of the rear long strip fixing member, wherein a slide groove is provided on the telescopic rod, and one end of the slide groove connected to the rear long strip fixing member is set as an open end, and a connecting hole is opened on the side wall of the slide groove at the other end, and the rear long strip fixing member is slidably plugged into the telescopic rod through the open end of the slide groove.

5. The cable fixing device for the relay protection screen according to claim 1, Features The cable protective cover is configured as a long groove-shaped rod, and both ends of the long groove-shaped rod are configured to be open, one of the open ends is connected to the end of the cable fixing buckle, and a plurality of threading holes are evenly spaced along the two side walls of the long groove-shaped rod. A sliding cover with a length adapted thereto is provided at the groove of the long groove-shaped rod, and both side edges of the sliding cover are bent inward, and the bent edges are matched with the sliding grooves provided at the tops of the two side walls of the long groove-shaped rod.

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