Wire end shielding device for power transformation equipment

Abstract

The utility model provides a power transformation equipment wire end shielding device, which comprises a shielding device shell and an external mounting mechanism, an external connecting plate is connected to the inner side wall of the shielding device shell in a sliding manner, a sliding block, a push rod, a clamping cylinder, a rotary groove, a locking plate, a locking column and a rotary plate are arranged, the sliding block is moved, the clamping cylinder is pulled by the push rod to clamp a protection tube, and the protection tube is clamped by the locking column. Meanwhile, a locking column outside the rotary plate is locked by a locking plate under the cooperation with a rotary groove, the fixing effect is guaranteed, looseness is avoided, an extrusion ball inside a closing plate extrudes the end of the protection pipe, and the fixing effect is enhanced; according to the label switching device, long-time locking and clamping can be achieved, meanwhile, due to the fact that the installation cylinder, the number ring, the inner cylinder, the moving column, the determining plate and the clamping teeth are arranged, the rotating column is rotated in a single line when label switching is conducted, one-way locking is achieved through the clamping teeth, switching of different labels is achieved, observation is convenient, operation is easy, and deviation after long-time use is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of power transformation, in particular to a wire head shield for power transformation equipment. Background Art

[0002] With the development of the times, people's use of electricity is becoming more and more diversified. Most of the equipment in life requires electricity to drive, so electricity is vital to people's lives. When connecting many electrical equipment, it is also necessary to install substation equipment to ensure the operation effect. When installing substation equipment, it is also necessary to replace or change the wiring of the wires. This has led to the emergence of wire end shielding devices, which mainly solves the problem that the wiring of secondary components is relatively complicated, the wires are closely arranged, and it is difficult to wrap the wire ends and difficult to distinguish.

[0003] After searching, the Chinese patent publication number CN104092156A discloses a wire head shield for live wires of secondary components of substation equipment. Its structure includes a shield body and a pressurizing device. A jack for inserting and placing the wires is provided inside the shield body, and a pressurizing device is provided on the upper part of the shield body; a coding dialer and a test hole are provided on one side of the shield body, and the test hole is communicated with the jack inside the shield.

[0004] The above patent has the following shortcomings: when in use, the above device uses the pressure handle and the pressure plate included in the pressure device to pressurize and fix the wire in the jack, but the fixing mode of this device does not have a locking structure, which may become loose after long-term use, thereby causing the wire to fall off.

[0005] Therefore, a wire head shield for transformer substation conductor is proposed. Utility Model Content

[0006] In view of this, the embodiments of the present utility model hope to provide a transformer equipment conductor wire head shield to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0007] The technical solution of the embodiment of the utility model is achieved as follows: it includes a shielding device shell and an external mounting mechanism, the inner side wall of the shielding device shell is slidably connected with an outer connecting plate, a clamping cylinder is fixedly installed between the outer walls on the opposite side of the outer connecting plate, a closing plate is fixedly installed on the outer side wall of the clamping cylinder, a slider is slidably connected with the inner wall of the shielding device shell, a push rod is rotatably connected between the slider and the outer connecting plate, concave connecting plates are fixedly installed on the outer walls of the tops of the sliders on both sides, a rotating rod is rotatably connected to the inner wall of the slider, a swivel plate is connected to the outer side wall of the swivel plate through a key, a locking column is rotatably connected to the outer side wall of the swivel plate, a torsion spring is sleeved on the outer side wall of the swivel rod, two ends of the torsion spring respectively abut against the two sides of the swivel plate, a swivel groove is provided on the outer side wall of the shielding device shell, the locking column cooperates with the swivel groove, the outer side wall of the shielding device shell is rotatably connected with a locking plate, the locking plate cooperates with the locking column, a spring 1 is fixedly installed between the outer walls on the opposite side of the locking plate, and a spring 2 is fixedly installed between the slider and the inner wall of the shielding device shell.

[0008] In some embodiments, a shield body is disposed inside the shield shell, and a protective tube is fixedly mounted on the inner side wall of the shield shell.

[0009] In some embodiments, the inner wall of the closing plate is rotatably connected to a squeezing ball, and the squeezing ball is in contact with the protective tube.

[0010] In some embodiments, the mounting mechanism includes a mounting base plate and a mounting ridge, wherein the mounting ridge is fixedly mounted on an outer side wall of the mounting base plate, and a side plug plate is fixedly mounted on the outer side wall of the mounting ridge.

[0011] In some embodiments, a plug is fixedly mounted on the outer side wall of the shield housing, the side plug plate cooperates with the plug, and a locking head is threadedly connected to the inner wall of the mounting ridge.

[0012] In some embodiments, a mounting cylinder is fixedly mounted on the inner wall of the shield shell, a number ring is opened on the inner side wall of the mounting cylinder, an inner cylinder is fixedly mounted on the inner side wall of the mounting cylinder, and a moving column is slidably connected to the inner side wall of the inner cylinder.

[0013] In some embodiments, the inner side wall of the inner cylinder is rotatably connected to a rotating column, and a coil spring is clamped between the rotating column and the inner cylinder, an L-connecting rod is fixedly installed on the outer side wall of the rotating column, and mutually meshing teeth are fixedly installed between the outer wall on the opposite side of the movable column and the rotating column.

[0014] In some embodiments, a determination plate is fixedly installed on the outer wall of the bottom of the L-link rod, the determination plate cooperates with the number circle, and a spring three is fixedly installed between the moving column and the inner side wall of the mounting tube.

[0015] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0016] 1. A transformer substation wire head shield, which is provided with a slider, a push rod, an external connecting plate, a clamping cylinder, a rotary groove, a locking plate, a locking column, and a rotary plate. The slider is moved to pull the clamping cylinder to clamp the protective tube through the push rod. At the same time, the locking column outside the rotary plate is locked by the locking plate in cooperation with the rotary groove to ensure the fixing effect and avoid loosening.

[0017] 2. A transformer substation wire head shield, wherein a squeezing ball is arranged inside a closing plate, and the squeezing ball squeezes the end of a protective tube to enhance the fixing effect.

[0018] 3. A transformer substation wire head shield, which is provided with a mounting cylinder, a number ring, an internal cylinder, a movable column, a determination plate, and a latch. When switching the number, the rotating column can be rotated in a single line, and one-way locking is achieved through the latch to avoid displacement after long-term use.

[0019] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is the overall structure diagram of the utility model;

[0022] Figure 2 This is the top structural diagram of the utility model;

[0023] Figure 3 This is a structural diagram of the installation ridge of the utility model;

[0024] Figure 4 This is the external structure diagram of the shielding shell of the utility model;

[0025] Figure 5 This is a diagram of the internal structure of the shielding shell of the utility model;

[0026] Figure 6 This is a structural diagram of a slider of the utility model;

[0027] Figure 7This is a full cross-sectional structural diagram of the installation tube of the utility model.

[0028] Reference numerals:

[0029] 1. Mounting base plate; 2. Shield housing; 3. Mounting ridge; 4. Locking head; 5. Side plug plate; 6. Closing plate; 7. Protective tube; 8. Extrusion ball; 9. Spring one; 10. Spring two; 11. Locking plate; 12. Locking column; 13. Slider; 14. Rotating groove; 15. Mounting cylinder; 16. Plug; 17. Clamping cylinder; 18. External connecting plate; 19. Push rod; 20. Concave connecting plate; 21. Turn rod; 22. Torsion spring; 23. Rotating plate; 24. L connecting rod; 25. Determine plate; 26. Number ring; 27. Internal cylinder; 28. Spring three; 29. ​​Moving column; 30. Gear; 31. Rotating column. DETAILED DESCRIPTION

[0030] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0031] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0032] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0033] Embodiment 1:

[0034] like Figure 1-7As shown, a transformer substation conductor head shield includes a shield shell 2 and an external mounting mechanism, wherein a shield body is arranged inside the shield shell 2, a protective tube 7 is bonded to the inner side wall of the shield shell 2, an outer connecting plate 18 is slidably connected to the inner side wall of the shield shell 2, a clamping cylinder 17 is welded between the outer walls on the opposite side of the outer connecting plate 18, a closing plate 6 is welded to the outer side wall of the clamping cylinder 17, the extrusion ball 8 is in contact with the protective tube 7, a slider 13 is slidably connected to the inner wall of the shield shell 2, a push rod 19 is rotatably connected between the slider 13 and the outer connecting plate 18, a concave connecting plate 20 is welded to the top outer wall of the slider 13 on both sides, and the slider 13 The inner wall is rotatably connected with a rotating rod 21, and the outer side wall of the rotating rod 21 is connected with a rotating plate 23 through a key, and the outer side wall of the rotating plate 23 is rotatably connected with a locking column 12, and the outer side wall of the rotating rod 21 is sleeved with a torsion spring 22, and the two ends of the torsion spring 22 respectively abut against the two sides of the rotating plate 23, and the outer side wall of the shielding shell 2 is provided with a rotating groove 14, and the locking column 12 cooperates with the rotating groove 14, and the outer side wall of the shielding shell 2 is rotatably connected with a locking plate 11, and the locking plate 11 cooperates with the locking column 12, and a spring 19 is welded between the outer walls on the opposite side of the locking plate 11, and a spring 2 10 is welded between the slider 13 and the inner wall of the shielding shell 2;

[0035] When in use, the wire end is passed through the protective tube 7 and connected to the shield body inside the shield shell 2. Then the sliding slider 13 can pull the clamping cylinder 17 outside the external connecting plate 18 to slide downward through the push rod 19. The clamping cylinder 17 squeezes the protective tube 7 to achieve the squeezing and fixing of the wire. When the slider 13 moves, the locking column 12 outside the rotating plate 23 follows the trajectory of the rotating groove 14 and cooperates with the locking plate 11 to lock. When the wire needs to be removed, the locking plate 11 is directly pressed to make the locking plate 11 disengage from the locking of the locking column 12, and the slider 13 can be reset under the pulling force of the spring 10.

[0036] The inner wall of the closing plate 6 is rotatably connected to a squeezing ball 8;

[0037] When the closing plate 6 and the clamping tube 17 are closed and squeezed, the squeezing ball 8 squeezes the end of the protection tube 7 to enhance the fixing effect.

[0038] The mounting mechanism comprises a mounting base plate 1 and a mounting ridge 3, wherein the mounting ridge 3 is welded to the outer side wall of the mounting base plate 1, a side plug plate 5 is welded to the outer side wall of the mounting ridge 3, a plug 16 is welded to the outer side wall of the shield housing 2, the side plug plate 5 cooperates with the plug 16, and a locking head 4 is connected to the inner wall of the mounting ridge 3 by a thread;

[0039] When in use, the mounting base plate 1 can be fixed at the required mounting position, and then the shield housing 2 is inserted into the outside of the side plug plate 5 through the plug 16, and then the locking head 4 is installed and fixed and pressed to realize the simultaneous use of multiple groups.

[0040] In this embodiment: the installation base plate 1 is fixed to the required installation position, and then the shielding device shell 2 is inserted into the outside of the side plug plate 5 through the plug 16, and then the locking head 4 is installed and fixed and pressed to achieve the simultaneous use of multiple groups, and then the wire ends are passed through the protective tube 7 to connect with the shielding device body inside the shielding device shell 2, and then the sliding slider 13 can pull the clamping cylinder 17 outside the outer connecting plate 18 to slide downward through the push rod 19, and the clamping cylinder 17 squeezes the protective tube 7 to achieve the squeezing and fixing of the wire. When the slider 13 moves, the locking column 12 outside the rotating plate 23 follows the trajectory of the rotating groove 14 and locks with the locking plate 11, and the squeezing ball 8 squeezes the end of the protective tube 7 to enhance the fixing effect. When the wire needs to be removed, the locking plate 11 is directly pressed to make the locking plate 11 disengage from the locking of the locking column 12, and the slider 13 can be reset under the pulling force of the spring 10.

[0041] Embodiment 2:

[0042] A transformer substation wire head shielding device, this embodiment makes the following improvements on the basis of embodiment 1, such as Figure 1-7 As shown, a mounting cylinder 15 is bonded to the inner wall of the shield housing 2, a number ring 26 is provided on the inner side wall of the mounting cylinder 15, an inner cylinder 27 is welded to the inner side wall of the mounting cylinder 15, a moving column 29 is slidably connected to the inner side wall of the inner cylinder 27, a rotating column 31 is rotatably connected to the inner side wall of the inner cylinder 27, and a coil spring is clamped between the rotating column 31 and the inner cylinder 27, an L-type connecting rod 24 is welded to the outer side wall of the rotating column 31, mutually meshing teeth 30 are welded between the outer walls on the opposite side of the moving column 29 and the rotating column 31, a determining plate 25 is welded to the outer wall at the bottom of the L-type connecting rod 24, the determining plate 25 cooperates with the number ring 26, and a spring 3 28 is welded between the moving column 29 and the inner side wall of the mounting cylinder 15;

[0043] Working principle: When in use, the rotating column 31 can be rotated in one direction to make the determination plate 25 switch to align with different number circles 26, so as to realize the switching of different numbers, which is convenient for observation and simple to operate. At the same time, the one-way rotation is realized by the latch 30 on the opposite side of the moving column 29 and the rotating column 31, so as to avoid displacement after long-term use.

[0044] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A transformer conductor head shield, comprising a shield housing (2) and an external mounting mechanism, characterized in that: The inner side wall of the shielding device shell (2) is slidably connected to an outer connecting plate (18), a clamping cylinder (17) is fixedly installed between the outer walls on the opposite side of the outer connecting plate (18), and a closing plate (6) is fixedly installed on the outer side wall of the clamping cylinder (17). The inner wall of the shielding device shell (2) is slidably connected to a slider (13), a push rod (19) is rotatably connected between the slider (13) and the outer connecting plate (18), and concave connecting plates (20) are fixedly installed on the top outer walls of the sliders (13) on both sides. The inner wall of the slider (13) is rotatably connected to a rotating rod (21), and the outer side wall of the rotating rod (21) is connected to a swivel plate (23) through a key, and the outer side of the swivel plate (23) is The side wall is rotatably connected with a locking column (12), the outer side wall of the rotating rod (21) is sleeved with a torsion spring (22), the two ends of the torsion spring (22) respectively abut against the two sides of the rotating plate (23), the outer side wall of the shielding shell (2) is provided with a rotating groove (14), the locking column (12) cooperates with the rotating groove (14), the outer side wall of the shielding shell (2) is rotatably connected with a locking plate (11), the locking plate (11) cooperates with the locking column (12), a spring 1 (9) is fixedly installed between the outer wall on the opposite side of the locking plate (11), and a spring 2 (10) is fixedly installed between the slider (13) and the inner wall of the shielding shell (2).

2. A transformer conductor head shield according to claim 1, characterized in that: A shield body is arranged inside the shield shell (2), and a protection tube (7) is fixedly mounted on the inner side wall of the shield shell (2).

3. A transformer conductor head shield according to claim 2, characterized in that: The inner wall of the closing plate (6) is rotatably connected with a squeezing ball (8), and the squeezing ball (8) is in contact with the protective tube (7).

4. A transformer conductor head shield according to claim 3, characterized in that: The mounting mechanism comprises a mounting base plate (1) and a mounting ridge (3); the mounting ridge (3) is fixedly mounted on an outer side wall of the mounting base plate (1); and a side plug plate (5) is fixedly mounted on the outer side wall of the mounting ridge (3).

5. A transformer conductor head shield according to claim 4, characterized in that: A plug (16) is fixedly mounted on the outer side wall of the shield housing (2), the side plug plate (5) cooperates with the plug (16), and a locking head (4) is threadedly connected to the inner wall of the mounting ridge (3).

6. A transformer equipment conductor head shield according to claim 1, characterized in that: A mounting cylinder (15) is fixedly mounted on the inner wall of the shield housing (2), a number ring (26) is provided on the inner side wall of the mounting cylinder (15), an inner cylinder (27) is fixedly mounted on the inner side wall of the mounting cylinder (15), and a moving column (29) is slidably connected to the inner side wall of the inner cylinder (27).

7. A transformer equipment conductor head shield according to claim 6, characterized in that: The inner side wall of the inner cylinder (27) is rotatably connected to a rotating column (31), and a coil spring is clamped between the rotating column (31) and the inner cylinder (27). An L-type connecting rod (24) is fixedly installed on the outer side wall of the rotating column (31), and mutually meshing clamping teeth (30) are fixedly installed between the outer walls of the movable column (29) and the rotating column (31) on the opposite side.

8. A transformer equipment conductor head shield according to claim 7, characterized in that: A determination plate (25) is fixedly mounted on the outer wall at the bottom of the L connecting rod (24), and the determination plate (25) cooperates with the number ring (26). A spring three (28) is fixedly mounted between the moving column (29) and the inner side wall of the mounting cylinder (15).

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