Novel adjustable jointing clamp for overhauling direct-current storage battery pack of transformer substation and use method of novel adjustable jointing clamp

Abstract

The invention relates to a novel adjustable jointing clamp for overhauling a direct-current storage battery pack of a transformer substation and a using method, and belongs to the field of storage battery bridging equipment. The jointing clamp comprises a first clamping part and a second clamping part, the first clamping part comprises a first connecting plate, one end of the first connecting plate is provided with a first clamping head, and the other end of the first connecting plate is provided with a first rotating part; the first clamping part comprises a first connecting plate, the first clamping part is fixedly connected with one end of a U-shaped clamping connecting plate, an adjusting screw knob is arranged at the other end of the U-shaped clamping connecting plate, the second clamping part comprises a second connecting plate, a second chuck is arranged at one end of the second connecting plate, and a second rotating part is arranged at the other end of the second connecting plate; the first clamping head and the second clamping head jointly clamp a binding post of the storage battery, and the first clamping part is rotatably connected with the bottom of the wiring connecting plate; by improving the jaw shape at the front end of the wire clamp and designing the clamping part, the effective contact surface between the wiring wire clamp and the storage battery is effectively increased, and reliable and firm wiring is ensured.

Description

Technical Field

[0001] The present invention relates to the field of battery cross - connection devices, and particularly to an adjustable wiring clip for the maintenance of DC battery packs in new substations and its usage method. Background Art

[0002] As the power source for controlling loads and some important DC power loads in substations, the battery is an important part of the DC system and is composed of several single - cell batteries connected in series. The DC systems of some substations are single - power DC power supply systems. After running for a period of time, some individual single - cell batteries in the battery pack will malfunction. If not replaced and disposed of in time, there are great operation risks, which are likely to cause the outage of the DC power supply and the shutdown of secondary equipment, affecting the power supply reliability of the substation.

[0003] How to safely and quickly replace a faulty single - cell battery without power outage is a very important issue, and there is currently a lack of corresponding special battery wiring clips. Summary of the Invention

[0004] In order to solve the problem of how to safely and quickly replace a faulty single - cell battery without power outage, the present invention provides an adjustable wiring clip for the maintenance of DC battery packs in new substations and its usage method.

[0005] The object of the present invention is achieved by the following technical solutions:

[0006] The first aspect of the present application discloses an adjustable wiring clip for the maintenance of DC battery packs in new substations, including: a first clamping part, a wiring connecting plate, a U - shaped clamping connecting plate, and a second clamping part; the first clamping part includes: a first chuck, a first connecting plate, and a first rotating part; one end of the first connecting plate is provided with the first chuck, and the other end of the first connecting plate is provided with the first rotating part; one end of the U - shaped clamping connecting plate is fixed on the first clamping part, and the other end is provided with an adjusting screw hole, and an adjusting screw is arranged in the adjusting screw hole; the second clamping part includes: a second chuck, a second connecting plate, and a second rotating part; one end of the second connecting plate is provided with the second chuck, and the other end of the second connecting plate is provided with the second rotating part; the first chuck and the second chuck jointly clamp the battery terminal; on the side of the first connecting plate away from the second clamping part, there is a wiring connecting plate, and a wiring hole is opened on the wiring connecting plate, and a wiring bolt passes through the wiring hole and is connected to the wiring connecting plate; the first clamping part and the bottom of the wiring connecting plate are rotatably connected.

[0007] According to the adjustable wiring clip for the maintenance of DC battery packs in new substations, corresponding rotating holes are opened on the first rotating part and the second rotating part, and a rotating shaft passes through the rotating holes to rotatably fix the first rotating part and the second rotating part, so that the first clamping part and the second clamping part can rotate relative to each other.

[0008] According to the adjustable terminal clamp for the maintenance of DC battery packs in the new substation, one end of the lead screw part of the adjusting screw passes through the adjusting screw hole and abuts against the second connecting plate of the second clamping part.

[0009] According to the adjustable terminal clamp for the maintenance of DC battery packs in the new substation, when the adjusting screw is tightened, the second clamping part rotates forward around the rotating shaft, so that the first clamping head and the second clamping head approach each other to clamp the terminal post; when the adjusting screw is loosened, the second clamping part rotates backward around the rotating shaft, so that the first clamping head and the second clamping head move away from each other to loosen the terminal post.

[0010] According to the adjustable terminal clamp for the maintenance of DC battery packs in the new substation, the outer parts of the first clamping head and the second clamping head are arc-shaped, and the inner parts are concave.

[0011] According to the adjustable terminal clamp for the maintenance of DC battery packs in the new substation, fixing holes are formed in the first connecting plate, and the fixing shaft passes through the fixing holes to fix the U-shaped clamping connecting plate and the first clamping part.

[0012] According to the adjustable terminal clamp for the maintenance of DC battery packs in the new substation, the first clamping part and the wiring connecting plate are formed by stamping a copper plate, and the two parts form a 90° angle.

[0013] According to the adjustable terminal clamp for the maintenance of DC battery packs in the new substation, the first clamping part, the second clamping part, the wiring connecting plate and the wiring bolt form a conductive body. After the first clamping part and the second clamping part clamp the battery terminal post, the current can flow along the conductive body to the external wire.

[0014] Another aspect of the present application discloses a using method of the adjustable terminal clamp for the maintenance of DC battery packs in the new substation, including: a clamping method and a disassembling method;

[0015] The clamping method includes the following steps:

[0016] Connect the battery and the replacement device for the first connection through the wiring bolt, the wiring connecting plate, the first clamping part and the second clamping part;

[0017] Adjust the opening angle between the first clamping head and the second clamping head to meet the working requirements through the adjusting screw. Insert the jaws of the first clamping head and the second clamping head into the corresponding terminal post of the battery, and rotate the adjusting screw to adjust the jaws to close and clamp to a predetermined position;

[0018] Rotate the wiring bolt to fix the wire on the wiring connecting plate.

[0019] According to the using method of the adjustable terminal clamp for the maintenance of DC battery packs in the new substation, the disassembling method includes the following steps:

[0020] Rotate the adjusting screw to drive the openings of the two jaws to an opening degree that can disengage from the battery terminal.

[0021] Rotate the connection bolt to move the wire away from the connection board and remove the connection bolt.

[0022] Compared with the prior art, the beneficial effects of the present invention at least include:

[0023] 1. By improving the shape of the front jaws of the wire clamp and designing the clamping part, the present invention effectively increases the effective contact surface between the wire connection clamp and the battery, ensuring reliable and firm wiring.

[0024] 2. The first clamping part and the connection board designed in the present invention are integrally formed by stamping a copper plate, with a large current-carrying capacity.

[0025] 3. The U-shaped clamping connection board and the adjusting screw designed in the present invention can be conveniently installed and disassembled, improving the convenience of wire clamp operation in a narrow space. It can also prevent the connection clip from falling off the battery terminal due to external force, improving safety. The opening degree between the first chuck and the second chuck can be controlled by the adjusting screw to achieve flexible adjustment of the opening degree.

[0026] 4. The adjusting screw of the present invention is made of insulating material, and with the cooperation of the U-shaped clamping connection board, the faulty single battery can be replaced without power interruption quickly. Description of the Drawings

[0027] Figure 1 is a schematic three-dimensional structure diagram of the whole of the present invention.

[0028] In the figure: 1. First clamping part; 101. First chuck; 102. First connection plate; 103. First rotating part; 104. Fixed shaft; 105. Rotating shaft; 2. Connection board; 201. Connection bolt; 3. U-shaped clamping connection board; 301. Adjusting screw; 4. Second clamping part; 401. Second chuck; 402. Second connection plate; 403. Second rotating part. Detailed Embodiments

[0029] To make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The embodiments described in this application are only a part of the embodiments of the present invention, not all embodiments. Based on the spirit of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "front", "rear", "inner", "outer", "right", "left", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0031] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] As Figure 1 shown, the present invention provides an adjustable wiring clip for the maintenance of a new type of substation DC battery pack, including: a first clamping portion 1, a wiring connection plate 2, a U-shaped clamping connection plate 3, and a second clamping portion 4.

[0033] The first clamping portion 1 includes: a first chuck 101, a first connection plate 102, and a first rotating portion 103; one end of the first connection plate 102 is provided with the first chuck 101, the other end of the first connection plate 102 is provided with the first rotating portion 103, a fixing hole is opened on the first connection plate 102, and a fixing shaft 104 passes through the fixing hole to fix the U-shaped clamping connection plate 3 and the first clamping portion 1; the first clamping portion 1 and the second clamping portion 4 are symmetrically arranged; the second clamping portion 4 includes: a second chuck 401, a second connection plate 402, and a second rotating portion 403;

[0034] One end of the second connection plate 402 is provided with the second chuck 401, and the other end of the second connection plate 402 is provided with the second rotating portion 403; corresponding rotating holes are opened on the first rotating portion 103 and the second rotating portion 403, and a rotating shaft 105 passes through the rotating holes to rotatably fix the first rotating portion 103 and the second rotating portion 403, so that the first clamping portion 1 and the second clamping portion 4 can rotate relative to each other.

[0035] The outer parts of the first chuck 101 and the second chuck 401 are arc-shaped, and the inner parts are concave. The wiring clip is connected to the battery terminal through the first chuck 101 and the second chuck 401. The concave design of the first chuck 101 and the second chuck 401 can effectively increase the contact area between the wiring clip and the battery terminal.

[0036] One end of the U-shaped clamping connecting plate 3 is fixed on the first clamping portion 1, and the other end is provided with an adjusting screw hole. One end of the screw rod portion of the adjusting screw 301 passes through the adjusting screw hole and abuts against the second connecting plate 402 of the second clamping portion 4. When the adjusting screw 301 is tightened, the second clamping portion 4 rotates forward around the rotation axis 105, so that the first clamping head 101 and the second clamping head 401 approach each other, thereby clamping the terminal post; when the adjusting screw 301 is loosened, the second clamping portion 4 rotates reversely around the rotation axis 105, so that the first clamping head 101 and the second clamping head 401 move away from each other, thereby loosening the terminal post. By means of the adjusting screw 301, the terminal clamp can be firmly clamped on the terminal post of the storage battery, which is used to prevent the terminal clip from falling off the terminal post of the storage battery due to external force, improving the safety. By means of the adjusting screw 301, the opening degree between the first clamping head 101 and the second clamping head 401 can be controlled, realizing flexible adjustment of the opening degree.

[0037] The adjusting screw 301 and the U-shaped clamping connecting plate 3 are made of insulating materials.

[0038] On the side of the first connecting plate 102 away from the second clamping portion 4, a wiring connecting plate 2 is provided. The wiring connecting plate 2 is provided with a wiring hole, and a wiring bolt 201 passes through the wiring hole and is connected to the wiring connecting plate 2.

[0039] The first clamping portion 1, the second clamping portion 4, the wiring connecting plate 2 and the wiring bolt 201 form a conductive main body. After the first clamping portion 1 and the second clamping portion 4 clamp the terminal post of the storage battery, the current can flow along the conductive main body to the external wire.

[0040] The clamping portion is made of copper.

[0041] The second rotating portion 403 rotates around the rotation axis 105 to open and close, and the opening angle is adjusted by the adjusting screw 301.

[0042] The first clamping portion 1 and the wiring connecting plate 2 are formed by stamping a copper plate, and the two parts form a 90° angle.

[0043] The present invention also provides a using method of an adjustable terminal clamp for overhauling a DC storage battery group of a new type substation, including a clamping method and a dismounting method.

[0044] The clamping method includes the following steps:

[0045] S1. Connect the storage battery and the replacement device for the first time through the wiring bolt 201, the wiring connecting plate 2, the first clamping portion 1 and the second clamping portion 4.

[0046] S2. Adjust the opening angle between the first chuck 101 and the second chuck 401 by adjusting the screw 301 until it meets the working requirements. Insert the jaws of the first chuck 101 and the second chuck 401 into the corresponding terminal of the storage battery, and rotate the adjusting screw 301 to adjust the jaws to close and clamp to a predetermined position. For larger terminals of the storage battery, the first clamping part 1 and the second clamping part 4 can be disassembled and installed on the terminal of the storage battery, and then the clamping screw is installed and the clamping bolt is rotated until the jaws are clamped.

[0047] S3. Rotate the connection bolt 201 to fix the wire on the connection link plate 2.

[0048] The disassembly method includes the following steps:

[0049] S1. Rotate the adjusting screw 301 to drive the opening of the two jaws to an opening degree that can be disengaged from the terminal of the storage battery.

[0050] S2. Rotate the connection bolt 201 to move the wire away from the connection link plate 2 and disassemble the connection bolt 201.

[0051] Compared with the prior art, the beneficial effects of the present invention at least include:

[0052] 1. By improving the shape of the jaws at the front end of the wire clamp and the designed clamping part, the present invention effectively increases the effective contact area between the wire clamp and the storage battery, ensuring reliable and firm wiring.

[0053] 2. The first clamping part and the connection link plate designed in the present invention are integrally formed by stamping a copper plate, with a large current-carrying capacity.

[0054] 3. The U-shaped clamping link plate and the adjusting screw designed in the present invention can be conveniently installed and disassembled, improving the convenience of wire clamp operation in a narrow space. It can also prevent the wiring clip from falling off the terminal of the storage battery due to external force, improving safety. The opening degree of the first chuck and the second chuck can be controlled by adjusting the screw, realizing flexible adjustment of the opening degree.

[0055] 4. The adjusting screw of the present invention is made of insulating material, and with the cooperation of the U-shaped clamping link plate, the faulty single battery can be quickly replaced without power cut.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: still can modify the specific implementation manners of the present invention or make equivalent replacements, and any modification or equivalent replacement without departing from the spirit and scope of the present invention should be covered within the protection scope of the claims of the present invention.

Claims

1. New adjustable terminal clamp for maintenance of DC battery pack in substation, including: A first clamping portion (1), a wiring connecting plate (2), a U-shaped clamping connecting plate (3) and a second clamping portion (4); characterized in that: The first clamping portion (1) comprises: a first clamp (101), a first connecting plate (102) and a first rotating portion (103); the first clamp (101) is arranged at one end of the first connecting plate (102), and the first rotating portion (103) is arranged at the other end of the first connecting plate (102); One end of the U-shaped clamping connecting plate (3) is fixed on the first clamping portion (1), and the other end is provided with an adjusting screw hole, in which the adjusting screw (301) is arranged; The second clamping portion (4) comprises: a second clamp (401), a second connecting plate (402) and a second rotating portion (403); the second clamp (401) is arranged at one end of the second connecting plate (402), and the second rotating portion (403) is arranged at the other end of the second connecting plate (402); The first clamp (101) and the second clamp (401) jointly clamp the battery terminal; A wiring connection plate (2) is provided on one side of the first connection plate (102) away from the second clamping portion (4), a wiring hole is provided on the wiring connection plate (2), and a wiring bolt (201) passes through the wiring hole and is connected to the wiring connection plate (2); The first clamping portion (1) is rotatably connected to the bottom of the wiring connection plate (2).

2. The novel adjustable wiring clamp for maintenance of DC battery packs in substations according to claim 1 is characterized in that: The first rotating part (103) and the second rotating part (403) are provided with corresponding rotating holes, and the rotating shaft (105) passes through the rotating holes to rotatably fix the first rotating part (103) and the second rotating part (403), thereby enabling the first clamping part (1) and the second clamping part (4) to rotate relative to each other.

3. The novel adjustable terminal clamp for maintenance of DC battery pack in substation according to claim 1 is characterized in that: One end of the screw rod portion of the adjusting screw (301) passes through the adjusting screw hole and abuts against the second connecting plate (402) of the second clamping portion (4).

4. The novel adjustable wiring clamp for maintenance of DC battery packs in substations according to claim 3 is characterized in that: The adjusting screw (301) is tightened, and the second clamping portion (4) rotates in a positive direction around the rotating shaft (105), so that the first clamp (101) and the second clamp (401) are close to each other, so as to clamp the terminal; The adjusting screw (301) is loosened, and the second clamping portion (4) rotates in the opposite direction around the rotating shaft (105), so that the first clamp (101) and the second clamp (401) move away from each other, thereby loosening the terminal.

5. The novel adjustable wiring clamp for maintenance of DC battery packs in substations according to claim 1 is characterized in that: The first clamp (101) and the second clamp (401) are arc-shaped on the outside and concave on the inside.

6. The novel adjustable wiring clamp for maintenance of DC battery packs in substations according to claim 1 is characterized in that: The first connecting plate (102) is provided with a fixing hole, and the fixing shaft (104) passes through the fixing hole to fix the U-shaped clamping connecting plate (3) and the first clamping portion (1).

7. The novel adjustable wiring clamp for maintenance of DC battery packs in substations according to claim 1 is characterized in that: The first clamping portion (1) and the wiring connecting plate (2) are formed by stamping a copper plate, and the two parts form an angle of 90°.

8. The novel adjustable wiring clamp for maintenance of DC battery packs in substations according to claim 1 is characterized in that: The first clamping part (1), the second clamping part (4), the terminal connecting plate (2) and the terminal bolt (201) constitute a conductive body. When the first clamping part (1) and the second clamping part (4) clamp the battery terminal, current can flow along the conductive body to the external wire.

9. A method for using a novel adjustable terminal clamp for maintenance of a DC battery pack in a substation, characterized in that: The novel adjustable wiring clamp for maintenance of DC battery packs in substations according to any one of claims 1 to 8 comprises: a clamping method and a disassembly method; The clamping method comprises the following steps: The storage battery and the replacement device are connected by a primary connection line through a connection bolt (201), a connection connecting plate (2), a first clamping part (1), and a second clamping part (4); The first clamp (101) and the second clamp (401) are adjusted to open to an opening angle that meets working requirements by means of an adjusting screw (301); the jaws of the first clamp (101) and the second clamp (401) are inserted into the corresponding terminal of the battery; and the adjusting screw (301) is rotated to adjust the jaws to close and clamp to a predetermined position; The wire is fixed on the wiring connecting plate (2) by rotating the wiring bolt (201).

10. The method for using the novel adjustable wiring clamp for maintenance of DC battery pack in substation according to claim 9 is characterized in that: The disassembly method The following steps are involved: Rotating the adjusting screw (301) drives the opening of the two jaws to an opening that allows the two jaws to be separated from the battery terminal; The wiring bolt (201) is rotated to remove the wire from the wiring connecting plate (2), and the wiring bolt (201) is removed.

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