Measuring tool for lock-in-place switch of main lock of side door of motor train unit
By designing a measuring fixture for the main lock position switch of the side door of a high-speed train, and using a base ruler and a travel ruler to detect the relative position of the limit switch and the roller, the problem of inconvenient measurement of the main lock position switch of the side door during high-speed train maintenance was solved, and efficient and accurate measurement results were achieved.
Patent Information
- Application Number
- CN202520216099.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-11
AI Technical Summary
During the maintenance of high-speed trains, the general survey and measurement of the main lock position switch of the side door is inconvenient and difficult, and the lack of professional tools leads to inaccurate measurement results.
Design a measuring fixture for the main lock position switch of the side door of a high-speed train, including a basic ruler, measuring contacts and a travel gauge. By detecting the relative position of the limit switch and the roller, ensure that the switch travel reaches 19.5mm to determine the lock position.
It improved maintenance efficiency, ensured the accuracy of measurement results, and reduced measurement errors caused by human error and tool incompatibility.
Smart Images
Figure CN223580883U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the rail transit maintenance technical field, especially a kind of measuring tool for EMU side door main lock lock-in switch. BACKGROUND
[0002] In the process of routine maintenance operation of EMU, when involving side door main lock lock-in switch census, the travel distance of side door main lock S1 limit switch roller and cam needs to be measured. Since professional tool is not set in maintenance site, census measurement operation is inconvenient and difficult.
[0003] Therefore, special tool must be designed to measure the travel distance of EMU main lock S1 limit switch roller and cam, so as to improve on-site operation efficiency and perfect operation.
[0004] During EMU maintenance operation, professional tool is not set in maintenance site, which causes census measurement operation to be inconvenient and difficult.
[0005] Therefore, a kind of measuring tool for EMU side door main lock lock-in switch is provided to solve the problems of the prior art. UTILITY MODEL CONTENTS
[0006] In order to overcome the deficiencies of the prior art, the utility model provides a kind of measuring tool for EMU side door main lock lock-in switch, to solve the problems.
[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0008] A kind of measuring tool for EMU side door main lock lock-in switch, for detecting whether lock-in by extending into side door main lock, comprising: base ruler body, measurement contact and travel ruler;
[0009] The base ruler body is fixedly connected with the travel ruler, the measurement contact protrudes from the side of the base ruler body, the measurement contact and the travel ruler form a notch, the side door main lock is provided with a roller and a limit switch, the roller abuts against the measurement contact or is clamped into the notch, and the limit switch abuts against the travel ruler.
[0010] The side door main lock includes lock-in state and not lock-in state when locking:
[0011] When in lock-in state, the limit switch abuts against the travel ruler, the roller abuts against the measurement contact, and switch travel is greater than or equal to 19.5mm, so that the switch size is adjusted normally.
[0012] When in not lock-in state, the limit switch abuts against the travel ruler, the roller is clamped into the notch, and switch travel is less than 19.5mm, so that the switch size is not normal.
[0013] As a further improvement of the technical scheme of the utility model, the side door main lock further comprises a cam.
[0014] When the side door main lock is unlocked, the measuring contact cannot be inserted between the roller and the cam, so the switch can be reliably triggered and is not pressed to death.
[0015] As a further improvement of the technical scheme of the utility model, a chamfer is arranged at the connection between the measuring contact and the base ruler body, and the angle of the chamfer is 30°-60°.
[0016] As a further improvement of the technical scheme of the utility model, the length of the travel ruler is 15mm-25mm.
[0017] Compared with the prior art, the utility model has the beneficial effects that:
[0018] The measuring tool for the side door main lock locking switch of the motor train unit provided by the utility model has the characteristics of high operation efficiency and accurate general survey result. BRIEF DESCRIPTION OF DRAWINGS
[0019] The utility model will be further described in detail in combination with the drawings and specific embodiments:
[0020] Fig. 1 is the structural schematic diagram of the measuring tool for the side door main lock locking switch of the motor train unit of the utility model;
[0021] Fig. 2 is the schematic diagram of the locking state of the measuring tool for the side door main lock locking switch of the motor train unit of the utility model;
[0022] Fig. 3 is the schematic diagram of the non-locking state of the measuring tool for the side door main lock locking switch of the motor train unit of the utility model.
[0023] In the drawings:
[0024] 1, base ruler body; 2, measuring contact; 3, travel ruler; 4, slot; 5, roller; 6, limit switch; 7, cam. DETAILED DESCRIPTION
[0025] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with the embodiments and the drawings, so as to fully understand the purpose, scheme and effect of the present application. 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 same reference signs used in the drawings indicate the same or similar parts.
[0026] It should be noted that, unless otherwise specified, when a certain feature is referred to as being "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature. In addition, the up, down, left, right and the like used in the present application are only relative to the mutual position relationship of the components of the present application in the drawings.
[0027] Referring to Figs. 1 to 3 A measuring tool for a motor train unit side door main lock locking-in-place switch, comprising a base ruler body 1, a measuring contact 2 and a travel ruler 3;
[0028] In one embodiment, the base ruler body 1 is fixedly connected with the travel ruler 3, and the measuring contact 2 protrudes from the side edge of the base ruler body 1. The measuring contact 2 and the travel ruler 3 form a notch 4. The side door main lock is provided with a roller 5 and a limit switch 6. The roller 5 abuts against or is clamped into the notch 4 of the measuring contact 2, and the limit switch 6 abuts against the travel ruler 3. The side door main lock includes a locking-in-place state and a non-locking-in-place state when locked. Fig. 2 As shown in FIG. 5, when in the locking-in-place state, the limit switch 6 abuts against the travel ruler 3, the roller 5 abuts against the measuring contact 2, and the switch travel is ≥19.5 mm, so that the switch size is adjusted normally. Fig. 3 As shown in FIG. 6, when in the non-locking-in-place state, the limit switch 6 abuts against the travel ruler 3, and the roller 5 is clamped into the notch 4, so that the switch travel is <19.5 mm, and the switch size is not normal. Preferably, the side door main lock is a Schaltbau S826 switch.
[0029] Wherein, the side door main lock is in the second level locking, need to satisfy switch stroke >=19.5mm, specific operation: manual operation lock fork, make main lock be in the second level locking state, switch release at this time, this measuring tool is stretched into the side door main lock, limit switch 6 and travel ruler 3 abut, if roller 5 and measuring contact 2 abut, switch stroke >=19.5mm, then the switch size adjustment is normal;If roller 5 is stuck in slot 4, switch stroke <19.5mm, then the switch size is not normal. The utility model discloses a measuring tool for EMU side door main lock lock-in switch, has the characteristics of high work efficiency, general survey result is accurate. Can guarantee when the side door main lock lock-in switch is overhauled to reduce the problem of inaccurate general survey measurement result caused by improper use of tool and the size of tool itself is not adapted, the measuring tool improves efficiency on the basis of the original mode, saves maintenance and manpower cost.
[0030] In one embodiment, the side door main lock further comprises a cam 7;When the side door main lock is unlocked, the measuring contact 2 cannot be inserted between the roller 5 and the cam 7, then the switch can be triggered reliably, and is not dead. Reliable triggering is that the roller 5 is pressed down by the cam 7 or the tool, and is dead. The limit switch 6 is provided with a trigger mechanism, and a spring is arranged in the trigger mechanism for lifting the roller 5.
[0031] In one embodiment, the measuring contact 2 is provided with a chamfer at the connection with the base ruler body 1, and the angle of the chamfer is 45°, so that when the measuring tool is taken out, the internal parts of the side door main lock are not hung, unnecessary loss is caused.
[0032] In one embodiment, the length of the travel ruler 3 is 19.5mm, which is convenient for more accurately measuring the travel of the side door main lock lock-in switch during general survey.
[0033] In one embodiment, the measuring tool is of metal material.
[0034] Other contents of the measuring tool for EMU side door main lock lock-in switch of the utility model are referred to the prior art, and will not be repeated here.
[0035] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, so any modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model, still belongs to the scope of the technical scheme of the utility model.
[0036] In addition, the terms "first", "second" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0037] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
Claims
1. A measuring fixture for a side door main lock locking position switch of a high-speed train, used to extend into the side door main lock to detect whether it is locked in place, characterized in that, include: Basic scale body, measuring contacts, and travel gauge; The base ruler is fixedly connected to the travel ruler. The measuring contact protrudes from the side of the base ruler and forms a groove with the travel ruler. The side door main lock is equipped with a roller and a limit switch. The roller abuts against or is engaged with the measuring contact in the groove, and the limit switch abuts against the travel ruler. The side door main lock has two states: fully locked and unlocked. When in the locked position, the limit switch abuts against the travel gauge, the roller abuts against the measuring contact, and the switch travel is ≥19.5mm, then the switch size adjustment is normal; When the switch is not locked in place, the limit switch abuts against the travel gauge, and the roller is engaged in the slot. If the switch travel is less than 19.5 mm, then the switch size is abnormal.
2. The measuring fixture for the main lock position switch of a side door of a high-speed train according to claim 1, characterized in that, The main lock for the side door also includes a cam; When the main lock of the side door is unlocked, if the measuring contact cannot be inserted between the roller and the cam, the switch is reliably triggered and is not crushed.
3. The measuring fixture for the main lock position switch of a side door of a high-speed train according to claim 1, characterized in that, The measuring probe is chamfered at the connection point with the base ruler, and the chamfer angle is 30°-60°.
4. The measuring fixture for the main lock position switch of a side door of a high-speed train according to claim 1, characterized in that, The length of the travel gauge is 15mm-25mm.