CN113410675A

CN113410675A - Converging clamp

Info

Publication number: CN113410675A
Application number: CN202110843586.8A
Authority: CN
Inventors: 陈群峰; 林丽红; 王文慧; 黄锦伟; 陈慧欢
Original assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-09-17

Abstract

The invention relates to the technical field of live working tools, in particular to a confluence clamp, which comprises a clamp body, a cable crimping body and a sleeve, wherein the clamp body comprises a fixed clamp head and a movable clamp head; the cable crimping body is internally provided with a motor and a control module electrically connected with the motor; the sleeve pipe can be dismantled respectively and connect fixed clamp binding clip and cable conductor crimping body, wears to be equipped with the push-and-pull rod of connecting in the motor output end in the sleeve pipe, and the one end of push-and-pull rod is connected in the activity clamp binding clip, and motor drive push-and-pull rod rotates so that the activity clamp binding clip moves along sheathed tube axial. The clamp body is communicated with the cable crimping body through the sleeve, and the cable crimping body is externally connected with a cable to realize power transmission; the motor drives the push-pull rod to move in the sleeve in a reciprocating mode so as to drive the movable clamp head to be far away from or close to the fixed clamp head, the movable clamp head is suitable for clamping cables of different sizes, operation is convenient and fast, flexibility is strong, manual operation difficulty is reduced, and cost is reduced.

Description

Converging clamp

Technical Field

The invention relates to the technical field of live-wire work tools, in particular to a confluence clamp.

Background

At present, in the process of distribution network live-line work maintenance, in order to realize the connection of the low-voltage output end of a mobile box transformer car, an emergency power generation car and a generator set with a user side, the old copper noses on the low-voltage cables and the female row in a low-voltage cabinet of the user side are all connected through bolt fixing, the operation time of the connection mode is long, and the risk of electric shock of a human body exists. Along with the development of urban construction, the requirement on power supply reliability is higher and higher, the use frequency of various operation vehicles such as a box transformer substation vehicle and a power generation vehicle is greatly increased, and a connecting tool confluence clamp is often used when the low-voltage side of the box transformer substation vehicle and the power generation vehicle is connected with a busbar of a user side. However, the existing confluence clamp is complex in structure, inconvenient to adjust, and poor in stability of clamping force of manual adjustment, and has potential safety hazards in use.

Disclosure of Invention

The invention aims to provide a confluence clamp which can be suitable for clamping cables of different types, is convenient and fast to operate and high in efficiency, reduces the manual operation difficulty and professional requirements, and effectively reduces the labor cost.

In order to realize the purpose, the following technical scheme is provided:

a bus bar clamp comprising:

the clamp comprises a clamp body, a clamping head and a clamping head, wherein the clamp body comprises a fixed clamp head and a movable clamp head;

the cable crimping device comprises a cable crimping body, wherein a motor and a control module electrically connected to the motor are arranged in the cable crimping body;

the sleeve pipe, the sheathed tube one end can be dismantled connect in fixed tong head, the other end can dismantle connect in cable conductor crimping body, wear to be equipped with in the sleeve pipe connect in the push-and-pull rod of motor output end, the one end of push-and-pull rod connect in the activity tong head, motor drive the push-and-pull rod rotates so that the activity tong head is followed sheathed tube axial displacement.

Further, a control button electrically connected to the control module is arranged on the cable crimping body.

Furthermore, a first puncturing contact piece is arranged at one end, facing the movable clamp head, of the fixed clamp head, a second puncturing contact piece is arranged at one end, facing the fixed clamp head, of the movable clamp head, and a pressure sensor is arranged on the end face, facing the second puncturing contact piece, of the first puncturing contact piece.

Further, overhead joint groove and the guide pin bushing that sets up in the joint inslot of being provided with of stationary clamp, sheathed tube one end is provided with joint portion, joint portion support lean on in the joint inslot, the guide pin bushing spiro union in joint portion.

Furthermore, a connecting groove is formed in the movable clamp head, a connecting block is arranged at one end of the push-pull rod, and the connecting block is buckled in the connecting groove.

Furthermore, the push-pull rod is connected to the output end of the motor through a connecting piece, the connecting piece is rotatably arranged in the sleeve in a penetrating mode, one end of the connecting piece is detachably connected to the push-pull rod, and the other end of the connecting piece is connected to the output end of the motor.

Further, the other end of connecting piece is provided with spacing head, be equipped with spacing portion in the sheathed tube other end, motor drive the connecting piece orientation when the clamp body moves, spacing head can support by in on the spacing portion.

Further, spacing portion is provided with the internal thread, the connecting piece is provided with the external screw thread, spacing portion spiro union in the connecting piece.

Further, a movable groove communicated with the inner cavity of the sleeve is arranged on the side wall of the sleeve close to the clamp body, and the movable groove is configured to limit the moving range of the movable clamp head.

Furthermore, a guide groove is formed in the inner side wall of the sleeve and extends along the axial direction of the sleeve, and a sliding block is arranged on the movable clamp head and is arranged in the guide groove in a sliding mode.

The invention has the beneficial effects that:

in the confluence clamp, the clamp body is communicated with the cable crimping body through the sleeve, and the cable crimping body is used for being connected with an external cable to realize power transmission; the push-pull rod can reciprocate in the sleeve under the driving of the motor, so that the movable clamp head is driven to be far away from or close to the fixed clamp head to adapt to clamping cables with different sizes, and the use flexibility is strong and the use is convenient; in addition, utilize the motor promptly steerable movable tong head to remove for fixed clamp tong head, the simple operation and efficient reduce the manual operation degree of difficulty and professional requirement, effectively reduce the cost of labor.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a bus bar clamp according to a first embodiment of the present invention;

FIG. 2 is an exploded view of a bus bar clamp according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a portion of a bus bar clamp according to a first embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a second partial structure of a busbar clamp according to a first embodiment of the present invention;

fig. 5 is a schematic partial structural view of a bus bar clamp according to a second embodiment of the present invention.

In the figure:

1-a clamp body; 11-fixing the clamp head; 111-a first piercing contact; 112-a clamping groove; 113-a guide sleeve; 12-movable clamp heads; 121-a second piercing contact; 122-a connecting groove; 13-a clamp protection sleeve;

2-cable wire crimping body; 21-a motor; 22-control buttons;

3-sleeving a pipe; 31-a push-pull rod; 311-connecting block; 312-a connector; 3121-a limiting head; 3122-external thread; 32-a clamping part; 33-an insulating tube; 34-a limiting part; 341-internal threads; 35-a movable groove;

4-pressure sensor.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when the product is used, and are only for convenience of description of the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like are used for descriptive purposes only or to distinguish between different structures or components and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Example one

Referring to fig. 1 and 2, the present embodiment provides a confluence clamp, including a clamp body 1, a cable crimping body 2 and a sleeve 3, where the clamp body 1 includes a fixed clamp head 11 and a movable clamp head 12; the cable crimping body 2 is internally provided with a motor 21 and a control module electrically connected with the motor 21; one end of the sleeve 3 is detachably connected to the fixed clamp head 11, the other end of the sleeve is detachably connected to the cable crimping body 2, a push-pull rod 31 connected to the output end of the motor 21 penetrates through the sleeve 3, one end of the push-pull rod 31 is connected to the movable clamp head 12, and the motor 21 drives the push-pull rod 31 to rotate so that the movable clamp head 12 moves along the axial direction of the sleeve 3.

In the confluence clamp of the embodiment, the clamp body 1 is conducted with the cable crimping body 2 through the sleeve 3, and the cable crimping body 2 is used for being connected with an external cable to realize power transmission; the push-pull rod 31 can reciprocate in the sleeve 3 under the driving of the motor 21, so as to drive the movable clamp head 12 to be far away from or close to the fixed clamp head 11, so as to be suitable for clamping cables with different sizes, and the use flexibility is strong and the use is convenient; in addition, utilize motor 21 can control movable tong head 12 and remove for fixed tong head 11, the simple operation and efficient reduces the manual operation degree of difficulty and professional requirement, effectively reduces the cost of labor.

Referring to fig. 2 and 3, a first piercing contact 111 is disposed at an end of the fixed tong head 11 facing the movable tong head 12, a second piercing contact 121 is disposed at an end of the movable tong head 12 facing the fixed tong head 11, and a pressure sensor 4 is disposed on an end surface of the first piercing contact 111 facing the second piercing contact 121. Specifically, the control module is provided with an alarm which can be a loudspeaker or an audible and visual alarm, and according to a preset pressure threshold value of the pressure sensor 4, when the clamping force of the electric wire clamped between the movable clamp head 12 and the fixed clamp head 11 is greater than the preset pressure threshold value, the control module can start the alarm to send out a warning to remind an operator.

Optionally, control module includes control circuit board and the intelligent terminal and the wireless communication module of electricity connection in control circuit board, and control module passes through control circuit board control wireless communication module and transmits the information of 4 monitoring of pressure sensor to intelligent terminal to suggestion supervisor or operating personnel have realized that this area converges through intelligent control and operation and have pincers, improve operating quality and efficiency, possess better suitability and convenience.

Optionally, referring to fig. 2, a control button 22 electrically connected to the control module is disposed on the cable crimping body 2, and the control button 22 can control the movement of the movable clamp head 12, so that an operator can control the confluence clamp in time with the control module.

Referring to fig. 2 and 3, the fixing clamp head 11 is provided with a clamping groove 112 and a guide sleeve 113 disposed in the clamping groove 112, one end of the sleeve 3 is provided with a clamping portion 32, the clamping portion 32 abuts against the clamping groove 112, and the guide sleeve 113 is screwed to the clamping portion 32. Through the cooperation joint of joint groove 112 with joint portion 32, realize the location installation of fixation clamp binding clip 11 and sleeve pipe 3, then through guide pin bushing 113 and the joint portion 32 threaded connection of sleeve pipe 3, make things convenient for the equipment of guide pin bushing 113 and sleeve pipe 3, guarantee joint strength simultaneously, further make things convenient for the installation and the dismantlement of fixation clamp binding clip 11, the dismouting of being convenient for.

Referring to fig. 2, the movable clamp head 12 is provided with a connecting groove 122, one end of the push-pull rod 31 is provided with a connecting block 311, and the connecting block 311 is buckled in the connecting groove 122. The connecting block 311 is buckled into the connecting groove 122, so that the movable clamping head 12 is stably connected with the push-pull rod 31, and the push-pull rod 31 drives the movable clamping head 12 to move along the axial direction of the sleeve 3, so that the movable clamping head 12 and the fixed clamping head 11 are abutted against each other.

Referring to fig. 2, the sleeve 3 is sleeved with an insulating tube 33. Specifically, 3 position conducting rods of sleeve pipe, insulating tube 33 enclose the periphery of locating sleeve pipe 3, guarantee operating personnel and user's safety, promote structural security and reliability.

Referring to fig. 2 and 4, the push-pull rod 31 is connected to the output end of the motor 21 through a connecting member 312, the connecting member 312 is rotatably disposed in the casing 3, and one end thereof is detachably connected to the push-pull rod 31, and the other end thereof is connected to the output end of the motor 21. The motor 21 drives the connecting member 312 to rotate to drive the push-pull rod 31 to rotate, specifically, the connecting member 312 is screwed into the sleeve 3, that is, the connecting member 312 can move along the axial direction of the sleeve 3 along the thread while rotating, so as to drive the push-pull rod 31 to move along the axial direction of the sleeve 3, so that the movable clamp head 12 disposed on the push-pull rod 31 is close to or away from the fixed clamp head 11.

Referring to fig. 2 and 4, one end of the connecting piece 312 facing away from the clamp body 1 is provided with a limiting head 3121, and the other end of the sleeve 3 is provided with a limiting part 34. When the motor 21 drives the connecting member 312 to move the push-pull rod 31 toward the clamp body 1, the limiting head 3121 can abut against the limiting portion 34. The limiting part 34 is matched with the limiting head 3121 on the connecting piece 312 to limit the maximum range of the movement of the push-pull rod 31 towards the clamp body 1, so as to prevent the damage of the structure of the bus bar clamp caused by the transition of the movement towards the clamp body 1.

Optionally, the connecting member 312 is clamped or screwed to the other end of the push-pull rod 31, so that the structure is reliable and stable, and the connecting member 312 is convenient to mount and dismount.

Referring to fig. 4, specifically, the stopper portion 34 is provided with an internal thread 341, the connection member 312 is provided with an external thread 3122, and the stopper portion 34 inside the sleeve 3 is screwed to the connection member 312. When the motor 21 drives the connecting element 312, that is, the connecting element 312 can rotate clockwise or counterclockwise around its own axis, through the thread fit between the connecting element 312 and the position-limiting part 34, the connecting element 312 moves along the axis of the sleeve 12 when rotating along the thread on the position-limiting part 34; therefore, the push-pull rod 31 moves along the axial direction of the sleeve 2 while the push-pull rod 31 rotates, and then the push-pull rod 31 drives the movable clamp head 12 to move relative to the fixed clamp head 11, so that the clamp body 1 can clamp cables with different sizes; meanwhile, the threaded fit between the connecting member 312 and the limiting portion 34 can prevent the push-pull rod 31 from rotating.

Referring to fig. 4, the side wall of the cannula 3 near the clamp body 1 is provided with a movable groove 35 communicated with the inner cavity of the cannula 3, and the movable groove 35 is configured to limit the moving range of the movable clamp head 12. The movable range of the movable clamp head 12 is defined by the movable groove 35, ensuring that the movable clamp head 12 moves within a suitable range.

Alternatively, a guide groove is formed on the inner side wall of the sleeve 3, the guide groove extends along the axial direction of the sleeve 3, and a slider is arranged on the movable clamp head 12, and the slider is slidably arranged in the guide groove, so that the movable clamp head 12 can be stably moved in the sleeve 3 under the driving of the push-pull rod 31. Specifically, in the process that the motor 21 drives the movable clamp head 12 to move through the push-pull rod 31, the guide groove is matched with the sliding block to limit the moving direction of the movable clamp head 12, so that the movable clamp head is prevented from rotating relative to the sleeve 3, the position deviation is avoided, the movable clamp head 12 is matched with the fixed clamp head 11 to accurately clamp a cable, and the accurate monitoring of the clamping force on the clamp body 1 by the pressure sensor 4 is facilitated.

Example two

The embodiment discloses a confluence clamp which is basically the same as the first embodiment in structure and comprises a clamp body 1, a cable crimping body 2 and a sleeve 3, wherein the specific structures of the components are the same as those in the first embodiment in arrangement and further comprising.

The difference between the present embodiment and the first embodiment is: referring to fig. 5, the confluence clamp in the second embodiment includes a clamp protection sleeve 13, and the clamp protection sleeve 13 is sleeved on the clamp body 1. The clamp body 1 is protected through the clamp protective sleeve 13, and corrosion to the clamp body 1 from the outside is reduced.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A bus bar clamp, comprising:

the clamp comprises a clamp body (1), wherein the clamp body (1) comprises a fixed clamp head (11) and a movable clamp head (12);

the cable crimping device comprises a cable crimping body (2), wherein a motor (21) and a control module electrically connected to the motor (21) are arranged in the cable crimping body (2);

the cable crimping device comprises a sleeve (3), one end of the sleeve (3) is detachably connected to a fixed clamp head (11), the other end of the sleeve is detachably connected to a cable crimping body (2), a push-pull rod (31) penetrates through the sleeve (3), one end of the push-pull rod (31) is connected to the output end of a motor (21), the other end of the push-pull rod (31) is connected to a movable clamp head (12), and the motor (21) can drive the push-pull rod (31) to rotate so that the movable clamp head (12) can move axially along the sleeve (3).

2. Bus bar clamp according to claim 1, characterized in that the cable crimp body (2) is provided with a control button (22) electrically connected to the control module.

3. The bus bar clamp according to claim 1, wherein a first piercing contact piece (111) is arranged at an end of the fixed clamping jaw (11) facing the movable clamping jaw (12), a second piercing contact piece (121) is arranged at an end of the movable clamping jaw (12) facing the fixed clamping jaw (11), and a pressure sensor (4) is arranged on an end face of the first piercing contact piece (111) facing the second piercing contact piece (121).

4. The bus bar clamp according to claim 1, wherein the fixing clamp head (11) is provided with a clamping groove (112) and a guide sleeve (113) arranged in the clamping groove (112), one end of the sleeve (3) is provided with a clamping portion (32), the clamping portion (32) abuts against the clamping groove (112), and the guide sleeve (113) is screwed with the clamping portion (32).

5. The bus bar clamp according to claim 1, wherein the movable clamping head (12) is provided with a connecting groove (122), one end of the push-pull rod (31) is provided with a connecting block (311), and the connecting block (311) is rotatably arranged in the connecting groove (122).

6. The bus bar clamp according to claim 1, wherein the push-pull rod (31) is connected to the output end of the motor (21) through a connecting member (312), the connecting member (312) is rotatably disposed in the sleeve (3), and one end of the connecting member is detachably connected to the push-pull rod (31) and the other end of the connecting member is connected to the output end of the motor (21).

7. The bus bar clamp according to claim 6, characterized in that the other end of the connecting piece (312) is provided with a limiting head (3121), the other end of the sleeve (3) is provided with a limiting part (34), and when the motor (21) drives the connecting piece (312) to move towards the clamp body (1), the limiting head (3121) can abut against the limiting part (34).

8. The bus bar clamp according to claim 7, wherein the limiting portion (34) is provided with an internal thread (341), the connecting piece (312) is provided with an external thread (3122), and the limiting portion (34) is screwed to the connecting piece (312).

9. The bus bar clamp according to claim 1, wherein a movable groove (35) communicating with an inner cavity of the sleeve (3) is provided on a side wall of the sleeve (3) near the clamp body (1), and the movable groove (35) is configured to limit a moving range of the movable clamp head (12).

10. The joining clamp according to claim 1, characterized in that the inner side wall of the sleeve (3) is provided with a guide groove extending in the axial direction of the sleeve (3), and the movable clamp head (12) is provided with a slide block slidably arranged in the guide groove.