Stroke measuring device and tool vehicle

Abstract

The utility model belongs to the technical field of circuit breaker maintenance, and discloses a stroke measuring device and a tool vehicle. The stroke measuring device provided by the utility model comprises the installation support, the first adjusting assembly, the second adjusting assembly and the stroke data collector, and an operator can adjust the position of the adjusting member relative to the installation frame of the member to be measured along the first horizontal direction, and operate the operation member to carry out position adjustment along the second horizontal direction and the vertical direction. Under the adjusting action of the first adjusting assembly and the second adjusting assembly, the stroke data collector can be connected with a measuring interface of a to-be-measured piece and obtain stroke data of the to-be-measured piece. The stroke measuring device provided by the utility model is high in universality, and the reliability of obtained stroke data is high. The utility model further provides a tool car which comprises the installation frame and the stroke measuring device, a placing space can be provided for the to-be-measured piece and the stroke measuring device, and stroke measuring operation can be conveniently carried out on the to-be-measured piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker overhauls technical field especially relates to a travel measuring device and frock car. BACKGROUND

[0002] The circuit breaker is the switch device of control and protection circuit, can realize the closing of current, carries and the breaking operation. The circuit breaker is in the closing position, and the moving contact in the vacuum arc extinguishing chamber moves to be connected with the static contact, allows the current to pass normally, and the circuit breaker is in the open position, and the moving contact and static contact of vacuum arc extinguishing chamber separate each other and prevent the current from passing. In order to guarantee the continuity and safety degree of power supply, the travel generated in the closing and opening of circuit breaker of vacuum arc extinguishing chamber needs to be measured.

[0003] The existing travel measuring device mostly selects the fixed support, and the displacement sensor is arranged in the fixed support and can not be adjusted in position, and the measurement process is limited. The related technology proposes a travel measuring device with adjustable displacement sensor along the vertical direction, which can adjust the position of the sensor body in the longitudinal direction, and the position of the sensor body can be adjusted as needed during measurement, thereby optimizing the measurement effect.

[0004] But for large-scale rail transit, the main breaking frock car is usually used to carry the circuit breaker, and when measuring the travel of vacuum arc extinguishing chamber, the position of displacement sensor needs to be adjusted until it is connected to the measurement interface of vacuum arc extinguishing chamber, but the above-mentioned travel measuring device can only adjust the position in the vertical direction, and cannot be applied to the application scenarios of different structure sizes of main breaking frock car or different installation positions of vacuum arc extinguishing chamber, so the versatility of the travel measuring device is poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a travel measuring device and frock car, which can adjust the position along the horizontal direction and the vertical direction respectively, and improve the data reliability and versatility of the travel measuring device.

[0006] To achieve this purpose, the utility model adopts the following technical scheme:

[0007] In the first aspect, the utility model provides a travel measuring device, which comprises:

[0008] The mounting bracket comprises a mounting bracket body and a mounting bracket connecting piece, the mounting bracket body is connected with the mounting frame, and the mounting bracket connecting piece is connected with the displacement sensor.

[0009] The first adjusting assembly comprises an adjusting piece and a first fastener, the adjusting piece is connected with the mounting bracket, the adjusting piece can be movably arranged on the mounting frame of the measured piece along the first horizontal direction, the first fastener is connected with the adjusting piece, and the first fastener can lock the adjusting piece on the mounting frame.

[0010] The second adjusting assembly comprises an operating member and a fastening assembly, the operating member is adjustably arranged in the vertical direction and the second horizontal direction on the mounting support respectively, the second horizontal direction is at an angle with the first horizontal direction; the fastening assembly is connected to the operating member, and the fastening assembly can lock the operating member on the mounting support;

[0011] The stroke data collector is connected with the operating member, and the stroke data collector can be connected with the measurement interface of the measured piece to obtain the stroke data of the measured piece.

[0012] Specifically, the adjusting member comprises a position adjusting part and a clamping part, the position adjusting part is connected with the mounting support and the clamping part respectively, the position adjusting part is slidingly arranged on the mounting frame, the first fastener is threadedly connected with the clamping part, and the first fastener can clamp the mounting frame together with the clamping part.

[0013] Specifically, the clamping part comprises a bent structure and a plate structure connected with each other, the bent structure is connected with the position adjusting part, the first fastener is threadedly connected with the plate structure, and the first fastener can clamp the mounting frame together with the bent structure.

[0014] Optionally, the first fastener comprises a penetrating part and an operating part fixedly connected, the penetrating part is threadedly connected with the clamping part, and the adjusting operating part can drive the penetrating part and the clamping part to clamp the mounting frame together.

[0015] Optionally, the fastening assembly comprises a second fastener and a third fastener, the second fastener and the third fastener are threadedly connected with the operating member respectively, and the second fastener and the third fastener can abut against opposite sides of the mounting support.

[0016] Specifically, the mounting support is in the shape of an inverted U, a strip-shaped adjusting hole is formed in the top of the inverted U, and the operating member is adjustably arranged in the strip-shaped adjusting hole.

[0017] Specifically, the operating member comprises an operating rod and a connecting joint connected with each other, the operating rod is arranged in the mounting support, and the connecting joint is connected with the stroke data collector.

[0018] Optionally, the stroke data collector is provided with a mounting ring, the connecting joint is in the shape of a U and is provided with a first through hole and a second through hole connected with each other, and a bolt is arranged in the first through hole, the second through hole and the mounting ring to connect the stroke data collector and the connecting joint.

[0019] Optionally, the stroke data collector is provided with an information collection port, and the information collection port is threadedly connected with the measurement interface of the measured piece.

[0020] In the second aspect, the utility model provides a tool car, tool car is used to load measured piece, including mounting frame and above -mentioned stroke measurement device, stroke measurement device position adjustably set up in mounting frame.

[0021] The utility model discloses a beneficial effect:

[0022] The utility model proposes a kind of travel measurement device, operating personnel can operate adjusting member and adjust the position of the installation frame of installation support compared to the installation frame of to-be-measured member along first horizontal direction, to indirectly adjust the position of the measurement interface of travel data collector compared to to-be-measured member along first horizontal direction, then through operating member position adjustment is carried out along second horizontal direction and vertical direction respectively, realize the adjustment of the position of the measurement interface of travel data collector compared to to-be-measured member in second horizontal direction and vertical direction.The utility model proposes travel measurement device, can position adjustment is carried out to travel data collector along first horizontal direction, second horizontal direction and vertical direction respectively, improve the versatility of travel measurement device, also can guarantee that travel data collector and the measurement interface of to-be-measured member are accurately docked, and the travel of to-be-measured member can be directly obtained by travel data collector.When travel data collector and measurement interface are accurately docked, adjust first fastener and fastening assembly to adjusting member and operating member cannot move, at this time, travel data collector can stably obtain the travel of to-be-measured member, and the stability of device and data reliability of travel measurement device are both improved.The utility model further provides a kind of tool car, including installation frame and travel measurement device, can provide placement space for to-be-measured member and travel measurement device, facilitate to-be-measured member to carry out travel measurement operation. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structural schematic diagram of travel measurement device described in the utility model embodiment;

[0024] Figure 2 It is Figure 1 The enlarged view of part A in

[0025] Figure 3 It is the structural schematic diagram of tool car described in the utility model embodiment.

[0026] In the drawing:

[0027] 1, installation support;11, strip adjusting hole;2, first adjusting assembly;21, adjusting member;211, position adjusting part;212, clamping part;22, first fastener;221, insertion part;222, operating part;3, second adjusting assembly;31, operating member;311, operating rod;312, connecting joint;32, fastening assembly;321, second fastener;322, third fastener;4, travel data collector;41, installation lifting ring;42, travel information processing cabin;43, information acquisition port;5, bolt;6, gasket;7, to-be-measured member;8, installation frame. DETAILED DESCRIPTION

[0028] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar components or components having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0029] In the description of the present application, unless explicitly defined and limited otherwise, the terms "connected", "connection" and "fixed" should be understood broadly, for example, can be fixed connection, can also be detachable connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] In the description of the present application, unless explicitly defined and limited otherwise, the first feature "on" or "below" the second feature can include that the first feature and the second feature are in direct contact, or can include that the first feature and the second feature are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0031] The technical scheme of the present application is further illustrated below by combining the drawings and through specific embodiments.

[0032] As Figures 1-3The utility model provides a kind of stroke measuring device, including installation support 1, first adjusting component 2, second adjusting component 3 and stroke data collector 4, wherein, first adjusting component 2 includes adjusting piece 21 and the first fastener 22 connected to adjusting piece 21, adjusting piece 21 is connected with installation support 1 and can be set in the installation frame 8 of measured piece 7 along first horizontal direction movably.The second adjusting component 3 includes operating part 31 and the fastening assembly 32 connected to operating part 31, the operating part 31 is respectively set in installation support 1 along vertical direction and the second horizontal direction position of the angle of first horizontal direction, the angle between first horizontal direction and second horizontal direction can be 90 degrees.To obtain the stroke data of measured piece 7, stroke data collector 4 is connected to operating part 31, so that stroke data collector 4 can adjust its position along with the position change of adjusting piece 21 and operating part 31, the stroke measuring device proposed in the utility model can be respectively in first horizontal direction, second horizontal direction and vertical direction position adjustment is carried out to stroke data collector 4, the versatility of stroke measuring device is improved, also ensure that stroke data collector 4 can be and the measurement interface of measured piece 7 accurate docking.

[0033] adjusting piece 21 and operating part 31 are stopped when being connected to the measurement interface of measured piece 7, and then the first fastener 22 and fastening assembly 32 are adjusted until adjusting piece 21 and operating part 31 are locked to installation frame 8 and installation support 1 respectively, at this time, stroke data collector 4 can stably obtain the stroke of measured piece 7, compared with the stroke measuring device in the prior art, the device stability and data reliability of the stroke measuring device are improved.

[0034] In an embodiment, adjusting piece 21 includes position adjusting part 211 and clamping part 212, position adjusting part 211 is connected with installation support 1 and clamping part 212 respectively, and position adjusting part 211 is slidingly arranged on the frame along the first horizontal direction of installation frame 8, so as to adjust the position of installation support 1 relative to the measurement interface of measured piece 7 along the first horizontal direction, thereby indirectly adjusting the position of stroke data collector 4.When stroke data collector 4 is aligned with the measurement interface of measured piece 7 in the first horizontal direction, the first fastener 22 connected with clamping part 212 is adjusted, at this time, the first fastener 22 can clamp the frame along the second horizontal direction of installation frame 8 with clamping part 212, realizing the position fixation of adjusting piece 21 in the first horizontal direction.In other embodiments, position adjusting part 211 can also be rollingly arranged on the frame along the first horizontal direction of installation frame 8, and position adjusting part 211 can drive clamping part 212 to change the position of the frame along the second horizontal direction of installation frame 8.

[0035] As Figures 1-3As shown, the clamping portion 212 can be in the shape of an inverted U, so that the travel measurement device has a space for movement in the first horizontal direction. Specifically, the clamping portion 212 includes a bent structure connected to a plate structure, the bent structure is connected to the position adjusting portion 211, and the travel data collector 4 and the measurement interface are opposite to each other in the first horizontal direction. To fix the clamping portion 212, a first fastener 22 is provided on the plate structure, the first fastener 22 is threadedly connected to the plate structure, and the position of the first fastener 22 in the plate structure is adjustable. The first fastener 22 can clamp the frame 8 along the edge distributed in the second horizontal direction, so as to fix the position of the travel measurement device in the first horizontal direction. In an embodiment, the first fastener 22 includes a penetrating portion 221 and an operating portion 222 fixedly connected to each other, the penetrating portion 221 is rotatably arranged on the clamping portion 212, and the operating portion 222 can drive the penetrating portion 221 and the clamping portion 212 to change the position, so as to clamp the frame 8 along the edge distributed in the second horizontal direction. The penetrating portion 221 can be a screw rod.

[0036] In an embodiment, the mounting bracket 1 is in the shape of an inverted U, and a strip-shaped adjusting hole 11 is formed in the top of the inverted U. An operating member 31 is adjustably arranged in the strip-shaped adjusting hole 11, so as to adjust the position of the operating member 31 in the second horizontal direction and the vertical direction, and indirectly adjust the position of the travel data collector 4 relative to the measurement interface of the measured piece 7. After the operating member 31 is adjusted to be opposite to the measurement interface of the measured piece 7, the operating member 31 needs to be fixed to the mounting bracket 1. To fix the operating member 31, a fastening assembly 32 is connected to the operating member 31, such as Figure 1 and Figure 2 As shown, the fastening assembly 32 can include a second fastener 321 and a third fastener 322, the second fastener 321 and the third fastener 322 are threadedly connected to the operating member 31 respectively, and adjusting the second fastener 321 and the third fastener 322 can make them abut against the opposite sides of the mounting bracket 1, so as to fix the position of the operating member 31 on the mounting bracket 1. To reduce the wear of the mounting bracket 1 caused by the second fastener 321 and the third fastener 322 during locking, a gasket 6 can be arranged between the second fastener 321 and the mounting bracket 1, and correspondingly, a gasket 6 can also be arranged between the third fastener 322 and the mounting bracket 1.

[0037] Specifically, the operation member 31 comprises an operation rod 311 and a connecting joint 312, the operation rod 311 is arranged in the mounting bracket 1, the connecting joint 312 is connected with the stroke data collector 4, and an operator can adjust the position of the stroke data collector 4 in the second horizontal direction and the vertical direction by operating the operation rod 311. In an embodiment, the stroke data collector 4 comprises a mounting ring 41, a stroke information processing cabin 42 and an information collection port 43, and the stroke data collector 4 can be a displacement sensor. The mounting ring 41 is used to connect with the connecting joint 312, the connecting joint 312 is in a U shape and is provided with a first through hole and a second through hole in communication, and the bolt 5 is arranged in the first through hole, the second through hole and the mounting ring 41 to connect the stroke data collector 4 and the connecting joint 312. The bolt 5 is used to connect the stroke data collector 4 and the connecting joint 312, so that the stroke data collector 4 can be easily separated from the connecting joint 312 for subsequent maintenance or replacement. The stroke information processing cabin 42 is arranged between the information collection port 43 and the mounting ring 41, can process the information collected by the information collection port 43, and thus obtain the stroke data of the measured piece 7. The information collection port 43 can be accurately connected with the measurement interface of the measured piece 7 under the adjustment of the first adjusting assembly 2 and the second adjusting assembly 3, and the information collection port 43 and the measurement interface of the measured piece 7 can be in threaded connection, so that the information collection port 43 and the measurement interface of the measured piece 7 can be stably connected when the measured piece 7 generates stroke.

[0038] As shown in Figure 3 The utility model also provides a tool car, tool car is used for loading measured piece 7, tool car includes installation frame 8 and above-mentioned stroke measurement device, stroke measurement device position adjustablely set up in installation frame 8. Tool car can provide the placement space for measured piece 7 and stroke measurement device, and facilitates the stroke measurement operation to measured piece 7.

[0039] In a specific embodiment, the measured piece 7 can be a vacuum interrupter in a circuit breaker, and the relative positions of the moving contact and the static contact of the vacuum interrupter will change when the circuit breaker is opened and closed. In order to measure whether the vacuum interrupter meets the working specifications of large power systems such as electric trains and other rail transit systems, it is necessary to simulate the opening and closing process of the circuit breaker and measure the stroke generated by the vacuum interrupter during this process, and then evaluate and judge according to the measured stroke data.

[0040] The tool car can be provided with a driving member and a display, the driving member is used for driving the circuit breaker to realize opening and closing process, and the display is used for connecting the stroke information processing cabin 42 and displaying stroke data obtained by the stroke information processing cabin 42. When the stroke measurement is carried out, the measurement personnel can realize the docking of the stroke data collector 4 and the measurement interface of the vacuum interrupter by adjusting the first adjusting assembly 2 and the second adjusting assembly 3, and then drives the vacuum interrupter to generate displacement by using the driving member, and the total stroke data of the moving contact of the vacuum interrupter in the opening and closing process can be directly obtained by observing the display. In addition, when the circuit breaker is closed, the moving contact of the vacuum interrupter can continue to move a distance after contacting the static contact, and the distance is called overtravel, and the overtravel can directly reflect the arc extinguishing performance of the vacuum interrupter. In order to optimize the arc extinguishing effect of the vacuum interrupter, it is usually necessary to measure the overtravel data of the vacuum interrupter. The overtravel data is the difference between the total stroke and the opening stroke, and the opening stroke can be directly obtained by connecting an oscilloscope to the vacuum interrupter. Combined with the total stroke data obtained by the stroke measuring device, the overtravel data of the vacuum interrupter can be obtained more conveniently, and the acquisition process of the overtravel data of the vacuum interrupter is simplified.

[0041] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not limited to the embodiments of the utility model. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. All the embodiments do not need to be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A travel measuring device, characterized by, The utility model relates to a kind of installation support (1);First adjusting assembly (2), the first adjusting assembly (2) includes adjusting piece (21) and first fastener (22), the adjusting piece (21) and the installation support (1) are connected, the adjusting piece (21) can be movably arranged in the installation frame (8) of measured piece (7) along first horizontal direction, the first fastener (22) is connected to the adjusting piece (21), and the first fastener (22) can lock the adjusting piece (21) in the installation frame (8);Second adjusting assembly (3), the second adjusting assembly (3) includes operating piece (31) and fastening assembly (32), the operating piece (31) is movably arranged in the installation support (1) along vertical direction and second horizontal direction respectively, the second horizontal direction is included at the angle with the first horizontal direction;The fastening assembly (32) is connected to the operating piece (31), and the fastening assembly (32) can lock the operating piece (31) in the installation support (1);Stroke data collector (4), the stroke data collector (4) and the operating piece (31) are connected, and the stroke data collector (4) can be connected with the measurement interface of measured piece (7) to obtain the stroke data of measured piece (7). The adjusting piece (21) includes position adjusting part (211) and clamping part (212), the position adjusting part (211) is connected with the installation support (1) and the clamping part (212) respectively, the position adjusting part (211) is slidably arranged in the installation frame (8), and the first fastener (22) and the clamping part (212) are threadedly connected, so that the first fastener (22) can clamp the installation frame (8) with the clamping part (212). The clamping part (212) includes connected bending structure and plate structure, the bending structure is connected with the position adjusting part (211), and the first fastener (22) and the plate structure are threadedly connected, so that the first fastener (22) can clamp the installation frame (8) with the bending structure. The first fastener (22) includes fixedly connected penetrating part (221) and operating part (222), the penetrating part (221) and the clamping part (212) are threadedly connected, and adjusting the operating part (222) can drive the penetrating part (221) and the clamping part (212) to clamp the installation frame (8). The fastening assembly (32) includes second fastener (321) and third fastener (322), the second fastener (321) and the third fastener (322) are threadedly connected with the operating piece (31) respectively, and the second fastener (321) and the third fastener (322) can be attached to opposite sides of the installation support (1).

2. The stroke measuring device of claim 1, wherein The installation support (1) is inverted U-shaped, and a strip-shaped adjusting hole (11) is formed in the top of the inverted U-shaped, and the operating piece (31) is adjustably arranged in the strip-shaped adjusting hole (11).

3. The travel measuring device according to claim 2, characterized in that ​ 4. The travel measuring device according to claim 2, characterized in that ​ 5. The stroke measuring device of claim 1, wherein, ​ 6. The stroke measuring device of claim 1, wherein ​ 7. The stroke measuring device of claim 1, wherein The operation member (31) comprises an operation rod (311) and a connecting joint (312), the operation rod (311) is arranged in the mounting bracket (1), and the connecting joint (312) is connected with the stroke data collector (4).

8. The travel measuring device according to claim 7, characterized in that The stroke data collector (4) is provided with a mounting hanging ring (41), the connecting joint (312) is U-shaped and is provided with a first through hole and a second through hole in communication, and a bolt (5) is arranged in the first through hole, the second through hole and the mounting hanging ring (41) to connect the stroke data collector (4) and the connecting joint (312).

9. The travel measuring device according to any one of claims 1 to 8, characterized in that The stroke data collector (4) is provided with an information collection port (43), and the information collection port (43) is threadedly connected with a measurement interface of the measured member (7).

10. Trolley for loading pieces (7) to be measured, characterized in that, The stroke measurement device comprises a mounting frame (8) and the stroke measurement device according to any one of claims 1-9, and the stroke measurement device is arranged in the mounting frame (8) in a position-adjustable mode.

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