High-precision box-type transformer protection measurement and control device

Abstract

The utility model relates to the technical field of measurement and control devices, in particular to a high-precision box-type transformer protection measurement and control device which comprises a measurement and control device body and a fixing assembly. The fixing assembly comprises a shell, a driving component, a clamping plate, a clamping seat, a locking rack, a moving rack and an elastic component, the shell is fixedly connected with the measurement and control device body, the clamping plate is connected with the shell through the driving component, the elastic component is arranged in the clamping plate, the clamping seat is connected with the shell, the locking rack is fixedly connected with the shell, and the moving rack is arranged in the elastic component. The movable rack is fixedly connected with the clamping seats, the driving component drives the two clamping plates to get close, then the clamping seats on the two sides are driven to get close, the clamping seats can clamp the connecting end and the left side and the right side of the wire, the driving component continues to drive the clamping plates to move, the clamping plates drive the locking rack to be meshed with the movable rack, and therefore the clamping seats are locked. And the problems of loosening and separation of the wire and the connecting end are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement and control devices, in particular to a high-precision box-type transformer protection measurement and control device. Background Art

[0002] The box-type transformer concentrates the design of traditional transformers in a box-type casing. It has the characteristics of small size, light weight, low noise, low loss, high reliability, etc. A high-precision box-type transformer protection and measurement and control device is required during the use of the box-type transformer. The traditional box-type transformer protection and measurement and control device is not convenient for fixing the wires, which makes the wires easily detached from the connection ends.

[0003] The prior art CN213094638U discloses a high-precision box-type transformer protection and control device, including a body, a heat dissipation hole, a main control board, a display screen and an indicator light. A wire fixing device is arranged at the rear end of the top of the body, and a driving mechanism is used to drive a threaded rod to rotate. The threaded rod is rotated through an internal thread in the shell. The threaded rod drives the connecting rod to move through a movable block, and the connecting rod drives the clamping plate to move toward each other, so that the clamping plate clamps the connection between the wire and the connecting end, thereby achieving the effect of assisting in fixing the wire. A driving mechanism is arranged at the rear end inside the shell, and the rotation state of the shaft is restored through a locking piece. The hand wheel is rotated clockwise, and the hand wheel drives the shaft to rotate, and the shaft drives the small gear to rotate, and the small gear drives the large gear to rotate, and the large gear drives the threaded rod to rotate, thereby achieving the effect of driving the threaded rod to rotate. The device is easy to use and simple to operate, and effectively improves work efficiency.

[0004] The above device clamps the wire and the connection section by two clamping plates, but can only clamp the two sides of the wire. The wire is prone to move up and down, which may lead to loosening and separation from the connection end. Utility Model Content

[0005] The utility model aims to provide a high-precision box-type transformer protection and measurement and control device, which solves the problem that the existing high-precision box-type transformer protection and measurement and control device can only clamp the two sides of the wire, and the wire is prone to move up and down, thereby causing looseness and separation from the connection end.

[0006] To achieve the above-mentioned purpose, the utility model provides a high-precision box-type transformer protection and measurement and control device, including a measurement and control device body and a fixing component; the fixing component includes a shell, a driving component, a clamping plate, a clamping seat, a locking rack, a movable rack and an elastic component, the shell is fixedly connected to the measurement and control device body and is located on one side of the measurement and control device body, the driving component is arranged on the shell, the clamping plate is connected to the shell through the driving component, the elastic component is arranged inside the clamping plate, the clamping seat is connected to the clamping plate and to the elastic component, and is arranged on the clamping plate, the locking rack is fixedly connected to the shell and is located inside the shell, the movable rack is fixedly connected to the clamping seat and is located on the side of the clamping seat close to the locking rack.

[0007] Wherein, the elastic component includes a spring and a top plate, the spring is connected to the clamping plate and is located inside the clamping plate; the top plate is connected to the spring, slidably connected to the clamping plate, and abuts against the clamping seat.

[0008] Wherein, the clamping seat includes a seat body, a sliding plate, a ball and a rubber pad, the sliding plate is connected to the top plate, connected to the movable rack, and located on the side of the top plate away from the spring; the seat body is fixedly connected to the sliding plate, and located on the side of the sliding plate away from the movable rack; the ball is rotatably connected to the sliding plate and is arranged on the sliding plate; the rubber pad is fixedly connected to the seat body, and located on one side of the seat body.

[0009] Wherein, the driving component includes a bidirectional screw and a threaded sleeve, the bidirectional screw is rotatably connected to the outer shell and is located inside the outer shell; the threaded sleeve is threadedly connected to the bidirectional screw, fixedly connected to the clamping plate, and sleeved on the bidirectional screw.

[0010] Wherein, the driving component also includes a worm wheel and a worm, the worm wheel is fixedly connected to the bidirectional screw and is located at one end of the bidirectional screw; the worm is rotatably connected to the housing, meshes with the worm wheel, and is arranged on the housing.

[0011] The utility model discloses a high-precision box-type transformer protection and measurement and control device. When in use, the wire of the box-type transformer is connected to the connection end, and then the height of each clamping seat is adjusted to make it consistent with the height of the connection end and the wire. At this time, the two clamping plates are driven to approach by the driving component, and then the clamping seats on both sides are driven to approach, so that the clamping seats can be clamped on both sides of the connection end and the wire. At this time, the clamping seat stops moving, and the driving component continues to drive the clamping plate to move, so that the clamping plate drives the locking rack to move. When the locking rack is engaged with the moving rack, the moving rack is locked, so that the clamping seat is locked. At this time, the clamping seat cannot move in the up and down directions, so as to limit the up and down and left and right movements of the wire and the connection end, and avoid the problem of the wire and the connection end being loose or detached. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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 the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of a high-precision box-type transformer protection and measurement and control device according to the first embodiment of the utility model.

[0014] Figure 2 It is a schematic diagram of the installation structure of the shell of the first embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the installation structure of the clamping seat of the first embodiment of the utility model.

[0016] Figure 4 It is a schematic diagram of the installation structure of the locking rack of the first embodiment of the utility model.

[0017] Figure 5 It is a schematic diagram of the installation structure of the seat body of the first embodiment of the utility model.

[0018] Figure 6 It is a structural schematic diagram of a driving component of the second embodiment of the utility model.

[0019] In the figure: 101-measurement and control device body, 102-fixed component, 103-housing, 104-driving component, 105-clamping plate, 106-clamping seat, 107-locking rack, 108-moving rack, 109-elastic component, 110-spring, 111-top plate, 112-seat body, 113-sliding plate, 114-ball, 115-rubber pad, 116-main control board, 117-connecting end, 201-bidirectional screw, 202-threaded sleeve, 203-worm wheel, 204-worm. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] First embodiment:

[0022] See also Figures 1 to 5 ,in Figure 1 It is the overall structural diagram of the high-precision box-type transformer protection and control device. Figure 2 This is a schematic diagram of the installation structure of the shell. Figure 3 This is a schematic diagram of the installation structure of the clamping seat. Figure 4 This is a schematic diagram of the installation structure of the locking rack. Figure 5 It is a schematic diagram of the installation structure of the seat body.

[0023] The utility model provides a high-precision box-type transformer protection measurement and control device, including a measurement and control device body 101 and a fixed component 102, wherein the fixed component 102 includes a housing 103, a driving member 104, a clamping plate 105, a clamping seat 106, a locking rack 107, a moving rack 108 and an elastic member 109, wherein the elastic member 109 includes a spring 110 and a top plate 111, and the clamping seat 106 includes a seat body 112, a sliding plate 113, a ball 114 and a rubber pad 115, and the two clamping plates 105 are driven to mutually engage with each other by the driving member 104. The clamping seats 106 on both sides are brought closer to each other, thereby clamping the left and right sides of the wire and the connecting end 117, and then the clamping plate 105 continues to drive the locking rack 107 to move, so that the locking rack 107 is engaged with the moving rack 108. At this time, the clamping seat 106 is locked in the up and down directions, thereby avoiding the problem of the wire moving up and down and the connecting end 117 loosening and detaching. It can be understood that the above-mentioned scheme can be used to improve the clamping effect of the wire, and can also be used to solve the problem of driving the clamping plate 105 to move.

[0024] According to this specific embodiment, the measurement and control device body 101 includes a casing, a measurement and control circuit board (not shown in the figure) is installed inside the casing, a main control board 116 is installed on the front end face of the casing, and a connection terminal 117 is installed on the rear end face of the casing, and the connection terminal 117 is electrically connected to the measurement and control circuit board.

[0025] The housing 103 is fixedly connected to the measurement and control device body 101 and is located on one side of the measurement and control device body 101. The driving member 104 is arranged on the housing 103. The clamping plate 105 is connected to the housing 103 through the driving member 104. The elastic member 109 is arranged inside the clamping plate 105. The clamping seat 106 is connected to the clamping plate 105 and is connected to the elastic member 109 and is arranged on the clamping plate 105. The locking rack 107 is fixedly connected to the housing 103 and is located inside the housing 103. The moving rack 108 is connected to the housing 103. The clamping seat 106 is fixedly connected and is located on one side of the clamping seat 106 close to the locking rack 107; the clamping plate 105 and the moving rack 108 are each provided with two, and a plurality of the clamping seats 106 and the locking rack 107 are provided on one clamping plate 105, and the moving rack 108 and the locking rack 107 are provided with teeth that cooperate with each other, and the driving member 104 can drive the two clamping plates 105 to approach each other, thereby driving the clamping seats 106 on both sides to approach each other, and the clamping seat 106 is driven to move by the elastic member 109, so that the clamping seat 106 drives the The movable rack 108 moves, thereby disengaging the movable rack 108 from the locking rack 107. At this time, the clamping seat 106 and the movable rack 108 can move up and down on the clamping plate 105, thereby adjusting the height of the clamping plate 105 on the clamping plate 105. When in use, the wire of the box-type transformer is connected to the connecting end 117, and then the height of each clamping seat 106 is adjusted to be consistent with the height of the connecting end 117 and the wire. At this time, the two clamping plates 105 are driven close together by the driving member 104, thereby driving the clamping seats 106 on both sides close together, so that The clamping seat 106 can be clamped on both sides of the connecting end 117 and the wire. At this time, the clamping seat 106 stops moving, and the driving component 104 continues to drive the clamping plate 105 to move, so that the clamping plate 105 drives the locking rack 107 to move. When the locking rack 107 is engaged with the moving rack 108, the moving rack 108 is locked, so that the clamping seat 106 is locked. At this time, the clamping seat 106 cannot move in the up and down directions, thereby limiting the up and down and left and right movements of the wire and the connecting end 117, and avoiding the problem of the wire and the connecting end 117 loosening and detaching.

[0026] Secondly, the spring 110 is connected to the clamping plate 105 and is located inside the clamping plate 105; the top plate 111 is connected to the spring 110, is slidably connected to the clamping plate 105, and abuts against the clamping seat 106; two top plates 111 are arranged inside one clamping plate 105, and the two top plates 111 are respectively located on both sides of the clamping plate 105, and a plurality of springs 110 are arranged on one top plate 111. The spring 110 applies force to the top plate 111, so that the top plate 111 drives the clamping seat 106 away from the locking rack 107, thereby separating the moving rack 108 from the locking rack 107. At this time, the clamping seat 106 can move up and down on the clamping plate 105.

[0027] At the same time, the sliding plate 113 is connected to the top plate 111 and to the moving rack 108, and is located on a side of the top plate 111 away from the spring 110; the seat body 112 is fixedly connected to the sliding plate 113 and is located on a side of the sliding plate 113 away from the moving rack 108; the ball 114 is rotatably connected to the sliding plate 113 and is arranged on the sliding plate 113; the rubber pad 115 is fixedly connected to the seat body 112 and is located on one side of the seat body 112; a clamping groove is provided on the seat body 112, and the rubber pad 115 is arranged at the clamping groove, and contacts with the wire through the rubber pad 115 to avoid damage to the wire surface during clamping; a plurality of the ball 114 are provided, and are respectively arranged on the front and rear sides of the sliding plate 113, and the friction between the sliding plate 113, the clamping plate 105 and the top plate 111 is reduced through the rotation of the ball 114.

[0028] When using the high-precision box-type transformer protection and measurement and control device of this embodiment, first adjust the height of the clamping seat 106 to match the height of the connecting end 117, then connect the wire to the connecting end 117, and drive the two clamping plates 105 to approach each other through the driving component 104, thereby driving the clamping seats 106 on both sides to approach each other, so that the clamping seats 106 can be clamped on both sides of the wire and the connecting end 117. After the clamping seat 106 abuts against the wire, continue to drive the clamping plate 105 to move, so that the clamping plate 105 drives the locking rack 107 to move, thereby engaging the locking rack 107 with the moving rack 108. When the locking rack 107 engages with the moving rack 108, the clamping seat 106 is locked and cannot move up and down, thereby limiting the up and down and left and right movement of the wire, and avoiding the problem of the wire loosening and detaching from the connecting end 117.

[0029] Second embodiment:

[0030] Based on the first embodiment, please refer to Figure 6 , Figure 6 2 is a schematic diagram of the structure of the driving component of the second embodiment. The driving component 104 of this embodiment includes a bidirectional screw 201 , a threaded sleeve 202 , a worm wheel 203 and a worm 204 .

[0031] According to this specific embodiment, the bidirectional screw 201 is rotationally connected to the housing 103 and is located inside the housing 103 ; the threaded sleeve 202 is threadedly connected to the bidirectional screw 201 , and is fixedly connected to the clamping plate 105 , and is sleeved on the bidirectional screw 201 .

[0032] The worm wheel 203 is fixedly connected to the bidirectional screw 201 and is located at one end of the bidirectional screw 201 ; the worm 204 is rotationally connected to the housing 103 , meshes with the worm wheel 203 , and is disposed on the housing 103 .

[0033] The threads on both sides of the bidirectional screw 201 are in opposite directions. Two threaded sleeves 202 are provided and are respectively located on the left and right sides of the bidirectional screw 201. The worm gear 203 is driven to rotate by rotating the worm 204, thereby driving the bidirectional screw 201 to rotate, so that the bidirectional screw 201 drives the two threaded sleeves 202 to move closer to or away from each other, thereby driving the two clamping plates 105 to move, thereby achieving the purpose of driving the clamping plates 105 to move.

[0034] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A high-precision box-type transformer protection measurement and control device, comprising a measurement and control device body, characterized in that: Also included are fixing components; The fixing assembly includes a shell, a driving member, a clamping plate, a clamping seat, a locking rack, a movable rack and an elastic member. The shell is fixedly connected to the measurement and control device body and is located on one side of the measurement and control device body. The driving member is arranged on the shell. The clamping plate is connected to the shell through the driving member. The elastic member is arranged inside the clamping plate. The clamping seat is connected to the clamping plate and to the elastic member and is arranged on the clamping plate. The locking rack is fixedly connected to the shell and is located inside the shell. The movable rack is fixedly connected to the clamping seat and is located on the side of the clamping seat close to the locking rack.

2. The high-precision box-type transformer protection measurement and control device according to claim 1 is characterized in that: The elastic component comprises a spring and a top plate, wherein the spring is connected to the clamping plate and is located inside the clamping plate; the top plate is connected to the spring, is slidably connected to the clamping plate, and abuts against the clamping seat.

3. The high-precision box-type transformer protection measurement and control device according to claim 2 is characterized in that: The clamping seat includes a seat body, a sliding plate, a ball and a rubber pad. The sliding plate is connected to the top plate and to the moving rack and is located on a side of the top plate away from the spring; the seat body is fixedly connected to the sliding plate and is located on a side of the sliding plate away from the moving rack; the ball is rotatably connected to the sliding plate and is arranged on the sliding plate; the rubber pad is fixedly connected to the seat body and is located on one side of the seat body.

4. The high-precision box-type transformer protection measurement and control device according to claim 1 is characterized in that: The driving component includes a bidirectional screw and a threaded sleeve. The bidirectional screw is rotatably connected to the shell and is located inside the shell. The threaded sleeve is threadedly connected to the bidirectional screw and fixedly connected to the clamping plate, and is sleeved on the bidirectional screw.

5. The high-precision box-type transformer protection measurement and control device according to claim 4 is characterized in that: The driving component also includes a worm wheel and a worm. The worm wheel is fixedly connected to the bidirectional screw and is located at one end of the bidirectional screw. The worm is rotatably connected to the housing, meshes with the worm wheel, and is arranged on the housing.

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