Test support device
By designing a test support device, the cable was raised using pole and turntable components, thus solving the safety hazard caused by cable contact with the vehicle body during UHV testing of rail vehicles and ensuring a safe distance between the cable, the vehicle, and the test personnel.
Patent Information
- Application Number
- CN202210017888.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-01-07
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2042-01-07
AI Technical Summary
During ultra-high voltage tests on rail vehicles, the power cables of the EMU (Electric Multiple Unit) are prone to contact with the ground or the vehicle body, posing a safety hazard.
Design a test support device, including a pole assembly, a turntable assembly, and a drive assembly. By extending and retracting the pole assembly and rotating the turntable, the cable can be raised to a position where it does not contact the vehicle roof, ensuring a safe distance.
It effectively prevents cables from coming into contact with vehicles and discharges, ensuring the safety of test personnel and achieving a safe distance between cables and vehicles.
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Figure CN114371319B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of rail vehicle testing, in particular to a test support device. BACKGROUND
[0002] When performing extra-high voltage testing on a rail vehicle, the extra-high voltage power cable of the motor train unit needs to be connected to the interface on the top of the vehicle. Since the cable is soft, it is easy to come into contact with the ground, the side and top of the vehicle body, which poses a safety hazard. SUMMARY
[0003] The main purpose of the present application is to provide a test support device to solve the problem of safety hazards in the prior art when performing extra-high voltage testing on a rail vehicle.
[0004] In order to achieve the above-mentioned purpose, according to one aspect of the present application, a test support device is provided, which is arranged between the voltage-withstanding machine and the vehicle body, and comprises: a vertical rod assembly; a turntable assembly rotatably arranged on the top of the vertical rod assembly, wherein the turntable assembly is provided with a cable clamping portion for fixing the cable.
[0005] Further, the vertical rod assembly is telescopic to adjust the height of the turntable assembly.
[0006] Further, the vertical rod assembly comprises a plurality of vertical rod sleeves, which are sequentially sleeved to move telescopically along the length direction of the vertical rod assembly.
[0007] Further, the test support device further comprises: a driving assembly connected with each vertical rod sleeve to drive each vertical rod sleeve to move independently.
[0008] Further, the driving assembly comprises: a driving motor; and a transmission screw rod connected with each vertical rod sleeve, wherein the driving motor is drivingly connected with the transmission screw rod to drive each vertical rod sleeve to move in sequence through the transmission screw rod.
[0009] Further, the test support device further comprises: a plurality of support rods arranged around the vertical rod assembly and connected with the vertical rod assembly to make the vertical rod assembly perpendicular to the horizontal plane.
[0010] Further, the support rod comprises a plurality of support sleeves, which are sequentially sleeved to move telescopically along the length direction of the support rod.
[0011] Further, the test support device further comprises: a first mounting ring movably sleeved on the vertical rod assembly, wherein one end of each support rod is rotatably connected with the first mounting ring; and a first positioning ring detachably connected with the vertical rod assembly, wherein the first positioning ring is arranged on the side of the first mounting ring close to the turntable assembly to stop the upward movement of the first mounting ring.
[0012] Further, the test support device further comprises: a plurality of positioning rods corresponding to the plurality of support rods; a second mounting ring movably sleeved on the vertical rod assembly, wherein one end of each positioning rod is rotatably connected with each support rod, and the other end of each positioning rod is rotatably connected with the second mounting ring; and a second positioning ring detachably connected with the vertical rod assembly, wherein the second positioning ring is arranged on the side of the second mounting ring away from the turntable assembly to stop the downward movement of the second mounting ring.
[0013] Further, the turntable assembly comprises: a turntable rotatably arranged on the top of the vertical rod assembly; and an insulating rod fixed on the turntable, wherein the wire clamping portion is arranged on the insulating rod, and the wire clamping portion is a clamping groove.
[0014] The support device of the technical scheme of the application is mainly applied in the high pressure test of the motor train unit. In order to prevent the power cable connected between the high pressure test machine and the motor train unit from being in contact with the ground or discharging with the vehicle, and at the same time ensure the safety distance of the test personnel and the cable, the support device is arranged close to the motor train unit, the cable is clamped in the wire clamping portion, the turntable is rotated to make the cable vertically connected with the interface on the top of the motor train unit in the length direction of the motor train unit, and the vertical rod assembly raises the cable to not contact the top of the motor train unit, thereby ensuring the safety distance of the cable, the vehicle and the test personnel, and solving the safety hazard. BRIEF DESCRIPTION OF DRAWINGS
[0015] The drawings accompanying the specification of this application form a part thereof, serve to provide further understanding of the application, and together with the description of the application, explain the application. The embodiments of the application and its description are used to explain the application without limiting the application. In the drawings:
[0016] Figure 1 The structure schematic diagram of the embodiment of the test support device according to the application is shown.
[0017] In the above drawings, the following reference signs are used:
[0018] 10, vertical rod assembly; 20, turntable assembly; 21, turntable; 22, insulating rod; 30, support rod; 40, first mounting ring; 50, first positioning ring; 60, positioning rod; 70, second mounting ring; 80, second positioning ring; 91, pulley. DETAILED DESCRIPTION
[0019] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0020] In order to solve the problem of safety hidden danger of the rail vehicle in the ultra-high voltage test, the application provides a test support device.
[0021] Please refer to Figure 1 A test support device is arranged between the pressure resistance machine and the vehicle body, and the test support device comprises a vertical rod assembly 10 and a rotating disc assembly 20, and the rotating disc assembly 20 is rotatably arranged on the top of the vertical rod assembly 10, wherein the rotating disc assembly 20 is provided with a cable clamping part, and the cable clamping part is used for fixing the cable.
[0022] The support device of the application is mainly applied to the high voltage resistance test of the motor train unit. In order to prevent the power cable connected between the high voltage resistance machine and the motor train unit from being in contact with the ground or discharging with the vehicle, and at the same time ensure the safety distance of the test personnel and the cable, the support device is arranged between the high voltage resistance machine and the motor train unit, the support device is arranged close to the motor train unit, the cable is clamped in the cable clamping part, the rotating disc 21 is rotated to make the cable vertically connected with the interface on the top of the motor train unit in the length direction of the motor train unit, and the vertical rod assembly 10 raises the cable to not contact the top of the motor train unit, so as to ensure the safety distance of the cable, the vehicle and the test personnel, and solve the safety hidden danger.
[0023] The vertical rod assembly 10 is telescopically arranged to adjust the height of the rotating disc assembly 20. The vertical rod assembly 10 comprises a plurality of vertical rod sleeves, and the plurality of vertical rod sleeves are sequentially sleeved to telescopically move along the length direction of the vertical rod assembly 10.
[0024] In the embodiment, the vertical rod assembly 10 comprises a plurality of vertical rod sleeves, and the plurality of vertical rod sleeves are telescopically pulled out along the vertical direction, which is similar to the antenna structure.
[0025] The test support device further comprises a driving assembly, the driving assembly is respectively connected with each vertical rod sleeve to drive each vertical rod sleeve to independently move. The driving assembly comprises a driving motor and a transmission screw rod, and the transmission screw rod is respectively connected with each vertical rod sleeve, wherein the driving motor is drivingly connected with the transmission screw rod to sequentially drive each vertical rod sleeve to move through the transmission screw rod.
[0026] The stand assembly 10 in the embodiment can be remotely adjusted and controlled, avoiding close operation of the operator. Specifically, the support device further comprises a remote controller, which is equivalent to an operation handle. The stand assembly 10 is further provided with a signal receiving end for receiving instructions sent by the controller. The remote controller can control the forward and reverse rotation of the driving motor, so as to drive the transmission screw to rotate forward and reverse, thereby driving the stand assembly 10 to rise or fall. The transmission screw adopts a trapezoidal screw. The trapezoidal screw is connected with each stand sleeve. When the driving assembly drives the stand assembly 10 to rise, the stand sleeves can be driven to move in turn according to the sequence from top to bottom or from bottom to top. The transmission screw driving can realize self-locking of the stand assembly 10 at any height, and the adjustment accuracy is higher.
[0027] When the high-pressure resistance machine is not working, the lifting of the stand assembly 10 can be manually adjusted.
[0028] The test support device further comprises a plurality of support rods 30, which are arranged around the stand assembly 10 and are connected with the stand assembly 10 respectively, so that the stand assembly 10 is perpendicular to the horizontal plane. The support rod 30 comprises a plurality of support sleeves, which are sequentially sleeved to move in the length direction of the support rod 30. The test support device further comprises a first mounting ring 40 and a first positioning ring 50. The first mounting ring 40 is movably sleeved on the stand assembly 10. Each support rod 30 is rotatably connected with the first mounting ring 40 at one end. The first positioning ring 50 is detachably connected with the stand assembly 10. The first positioning ring 50 is arranged on the side of the first mounting ring 40 close to the turntable assembly 20, so as to stop the upward movement of the first mounting ring 40.
[0029] The support rod 30 is arranged in a telescopic structure, as shown in Figure 1 The support rod 30 is arranged on one side of the stand assembly 10 to assist in supporting the stand assembly 10 and prevent it from tilting. The three support rods 30 and the stand assembly 10 form a more stable structure. The upper end of the support rod 30 is connected with the stand assembly 10 through the first mounting ring 40. The first mounting ring 40 is provided with a rib plate hinged with the support rod 30. The rib plate is provided with a hole. The inclination angle of the support rod 30 is set according to the need. When the stand assembly 10 is erected, the first positioning ring 50 is fixed above the first mounting ring 40 after the support rod 30 is fixed in position, so as to stop the upward movement of the first mounting ring 40. The length of the support rod 30 is changed by telescoping according to the position and inclination angle connected with the stand assembly 10.
[0030] The stand assembly 10 and the plurality of support rods 30 form an umbrella structure. The plurality of support rods 30 can be synchronously retracted. When retracted, the support rod 30 is close to and parallel to the stand assembly 10. When expanded, the support rod 30 forms a triangular stable structure with the stand assembly 10.
[0031] The test support device further comprises a plurality of positioning rods 60, a second mounting ring 70 and a second positioning ring 80, the plurality of positioning rods 60 are connected with the plurality of support rods 30 in one-to-one correspondence; the second mounting ring 70 is movably sleeved on the vertical rod assembly 10, wherein one end of each positioning rod 60 is rotatably connected with each support rod 30, and the other end of each positioning rod 60 is rotatably connected with the second mounting ring 70; the second positioning ring 80 is detachably connected with the vertical rod assembly 10, wherein the second positioning ring 80 is arranged on the side of the second mounting ring 70 away from the turntable assembly 20, so as to prevent the second mounting ring 70 from moving downward.
[0032] The positioning rod 60 is used for connecting the support rod 30 and the vertical rod assembly 10, so as to limit the inclination angle of the support rod 30, specifically, one end of the positioning rod 60 is rotatably connected with the support rod 30, and the other end of the positioning rod 60 is rotatably connected with the vertical rod assembly 10, and the connection form is that the positioning rod 60 is rotatably connected with the rib plate on the second mounting ring 70, when the inclination angle of the support rod 30 is fixed, the second positioning ring 80 is fixed below the second mounting ring 70, so as to prevent the second mounting ring 70 from moving downward along the vertical rod assembly 10.
[0033] The turntable assembly 20 comprises a turntable 21 and an insulating rod 22, the turntable 21 is rotatably arranged at the top of the vertical rod assembly 10; the insulating rod 22 is fixed on the turntable 21, wherein the wire clamping part is arranged on the insulating rod 22, and the wire clamping part is a clamping groove.
[0034] In the embodiment, the turntable 21 is arranged at the top of the vertical rod assembly 10, the horizontal insulating rod 22 made of polytetrafluoroethylene material is arranged on the turntable 21, the insulating rod 22 is fixed with the output power supply line of the withstand voltage machine, the rotation degree of freedom of the turntable 21 is 360°, the super-high withstand voltage pressurizing point is on the center line of the vehicle body, in order to ensure the effective insulation distance between the power supply line and the vehicle body, the insulating rod 22 is parallel to the vehicle body before being raised, after being raised to a specified height, the insulating rod 22 rotates with the turntable 21, the power supply line is close to the center of the vehicle body, after the test personnel receive the test cable, the high-voltage electrical appliance is connected.
[0035] In addition, the pulley 91 is arranged at the bottom of the vertical rod assembly 10, the support rod 30 can be dragged to move after being retracted, so that the support rod 30 is convenient to transport and store, the support seat is arranged at the bottom of the support rod 30, and the support seat is hingedly connected with the support rod, so as to prevent the support rod from slipping relative to the ground.
[0036] From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects:
[0037] The support device of the application is mainly applied in the high pressure test of the motor train unit, in order to prevent the power cable connected between the high pressure test machine and the motor train unit from contacting the ground or discharging with the vehicle, and at the same time ensure the safety distance of the test personnel and the cable, the support device is arranged between the high pressure test machine and the motor train unit, the cable is clamped in the cable clamping part, the turntable 21 rotates to make the cable vertically connected with the interface on the top of the motor train unit, and the vertical rod assembly 10 raises the cable to not contact the top of the motor train unit, so that the safety distance of the cable, the vehicle and the test personnel is ensured, and the safety hidden trouble is solved.
[0038] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.
[0039] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the examples are not intended to limit the scope of the application, unless otherwise specifically stated. Also, it is to be understood that the actual dimensions of the various parts shown in the drawings are not necessarily to scale. Techniques, methods, and apparatus known to those of ordinary skill can not be discussed in detail because they would be apparent in light of the detailed disclosure of the application and various embodiments. In all examples shown and discussed herein, any specific values are to be interpreted as merely illustrative and not limiting. Thus, other examples of the example embodiments can have different values. It is to be noted that like numbers and letters refer to like elements throughout the several views of the drawings and, as such, no further discussion on these like elements will be "further discussed in the subsequent drawings.
[0040] In the description of the application, it needs to be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the application and simplifying the description, without the opposite indication, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the protection scope of the application; the orientation words "inner, outer" refer to the inner and outer of the contour of each part itself.
[0041] For purposes of the description hereinafter, the terms "upper", "lower", "right", "left", "rear", "front", "vertical", "horizontal", and derivatives thereof shall relate to the application as oriented in the drawing. The terms "attached", "connected" and "coupled" as used herein refer to the connection between two members, directly or indirectly. Such connection can be manifested in various ways, for example and without limitation, through mechanical, electrical, and / or magnetic means. Such connection can occur at a single location or at multiple locations among two members, and can occur locally or remotely via an electrical signal travelling along a wire or network. Such connection can be temporary or permanent, and can or can not be made under the auspices of a specific program or application. Such connection can be direct or indirect, and such connection can occur through one or more other members.
[0042] In addition, it should be pointed out that the use of "first", "second" and the like words to qualify parts, is only intended to facilitate the distinction of the corresponding parts, and such words do not have a special meaning unless otherwise stated, and therefore cannot be understood as limiting the scope of protection of the present application.
[0043] The preferred embodiments of the present application are described above in detail. The present application, however, is not limited to the above embodiments, but can vary and modify in various forms. Any and all modifications, equivalents or improvements based on the principles of the present application are intended to be within the scope of protection of the present application.
Claims
1. A test support device, characterized in that, include: Pole assembly (10); A turntable assembly (20) is rotatably disposed on the top of the pole assembly (10), wherein the turntable assembly (20) is provided with a wire clamping part for fixing the cable; Multiple support rods (30) are arranged around the upright assembly (10) and connected to the upright assembly (10) respectively, so that the upright assembly (10) is perpendicular to the horizontal plane; Multiple positioning rods (60) are connected one-to-one with multiple support rods (30); The second mounting ring (70) is movably sleeved on the pole assembly (10), wherein one end of each of the positioning rods (60) is rotatably connected to each of the support rods (30), and the other end of each of the positioning rods (60) is rotatably connected to the second mounting ring (70); The second positioning ring (80) is detachably connected to the pole assembly (10), wherein the second positioning ring (80) is disposed on the side of the second mounting ring (70) away from the turntable assembly (20) to prevent the second mounting ring (70) from moving downward; The bottom of the pole assembly (10) is provided with a pulley (91), and the bottom of the support rod (30) is provided with a support seat, which is hinged to the support rod (30). The pole assembly (10) is telescopically configured to adjust the height of the turntable assembly (20); The pole assembly (10) includes a plurality of pole sleeves, which are sequentially fitted to extend and retract along the length of the pole assembly (10); A drive assembly is connected to each of the upright sleeves respectively to drive each of the upright sleeves to move independently; A first mounting ring (40) is movably sleeved on the upright assembly (10), wherein one end of each of the support rods (30) is rotatably connected to the first mounting ring (40); The first positioning ring (50) is detachably connected to the pole assembly (10), wherein the first positioning ring (50) is disposed on the side of the first mounting ring (40) near the turntable assembly (20) to prevent the first mounting ring (40) from moving upward.
2. The test support device according to claim 1, characterized in that, The driving component includes: Drive motor; A transmission screw is provided, which is connected to each of the upright sleeves respectively. The drive motor is connected to the transmission screw to drive each of the upright sleeves to move sequentially through the transmission screw.
3. The test support device according to claim 1, characterized in that, The support rod (30) includes a plurality of support sleeves, which are sequentially fitted to extend and retract along the length of the support rod (30).
4. The test support device according to claim 1, characterized in that, The turntable assembly (20) includes: A turntable (21) is rotatably disposed on top of the pole assembly (10); An insulating rod (22) is fixed on the turntable (21), wherein the wire-clamping part is provided on the insulating rod (22) and the wire-clamping part is a slot.
Citation Information
Patent Citations
Portable special bracket for cable test
CN112345805A