Parallelism detection device and system
By designing an integrated parallelism detection device, which uses aluminum hollow square tubes and a slide rail structure, the problem of numerous measuring tools and blind spots in the measurement of rail transit vehicle floor plates has been solved, enabling rapid and accurate parallelism detection and improving measurement efficiency and product quality.
Patent Information
- Application Number
- CN202520098206.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-15
AI Technical Summary
In existing technologies, parallelism testing of the floor of the driver's cab of rail transit vehicles requires multiple measuring rods of various specifications, resulting in numerous measuring tools, the need for multiple people to cooperate, and blind spots in the testing, making it impossible to achieve fast and accurate measurement.
A parallelism testing device was designed, comprising a connecting beam, a fixed measuring component, and a sliding measuring component, made of hollow aluminum square tubing. Combined with a slide rail and adjustment knob, it achieves tool integration and stability, and uses a wedge feeler gauge for precise testing.
It enables rapid and accurate measurement of base plate parallelism, reduces the number of measuring tools required, improves work efficiency, reduces measurement costs and rework expenses, and ensures product quality.
Smart Images
Figure CN223663906U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rail transit technical field, especially parallelism detection device and system. BACKGROUND
[0002] The driver's room floor of rail transit vehicle is located at the one side of the air tight wall vehicle body rear end, in addition to connecting the driver's room apron, is also the key component between the driver's room and the chassis connection.In the total assembly of the vehicle body, the driver's room needs to be hoisted to the chassis, once the parallelism of the floor is out of tolerance, a large gap will be generated between the floor and the chassis, which cannot meet the quality requirement of the vehicle body assembly welding, at this time, the floor needs to be adjusted and repaired until it is parallel.
[0003] In order to reduce the gap between the driver's room and the chassis, ensure the assembly welding quality of the driver's room and the chassis and the whole vehicle, it is necessary to ensure that the parallelism of the floor meets the parallelism requirement on the chassis before the driver's room is handed over.In the production of the driver's room, generally, the floor is pressed on the total assembly station by using the pressing plate and bolt to reduce the influence of the post-welding stress generated by the assembly welding on the parallelism of the floor, but after the pressing plate bolt is removed, the parallelism of the floor will still be deformed, and still needs to be adjusted and repaired, therefore, the levelness rapid measurement of the driver's room floor is particularly important.
[0004] The existing way is to use aluminum ruler to detect the overall parallelism of the floor, which is limited by the overall horn structure characteristics, and the length of the required ruler is different from 2m to 3.5m, and the length of the current ruler is 2m, 3m and 3.2m, etc., which can only detect a specific range, and cannot cover the entire span of the floor, which leads to dead angle in measurement, and cannot realize rapid and accurate measurement. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies in the prior art, the utility model aims to provide a parallelism detection device and system, which replaces the measurement method of multiple specification rulers, solves the problems of too many measurement tools required for floor measurement, the need for multiple people to cooperate, and the existence of dead angle in detection, and achieves the purpose of ensuring that the parallelism quality of the floor meets the process requirements.
[0006] In order to achieve the above purpose, the utility model realizes the technical scheme as follows:
[0007] Firstly, the utility model provides a parallelism detection device.
[0008] A parallelism detection device, comprising: a connecting beam, a fixed measuring element and a sliding measuring element, a first notch groove for inserting one side floor is opened on the fixed measuring element, and a second notch groove for inserting the other side floor is opened on the sliding measuring element.
[0009] The fixed measuring piece is fixed at the first end of the connecting beam, the sliding rail is arranged longitudinally on the connecting beam, the sliding measuring piece is in sliding connection with the sliding rail, and the horizontal element is connected to the center position of the connecting beam.
[0010] The top of the fixed measuring piece is provided with a first adjusting knob capable of penetrating into the first notch groove, and the top of the sliding measuring piece is provided with a second adjusting knob capable of penetrating into the second notch groove.
[0011] As a further limitation of the first aspect of the utility model, the middle of the connecting beam is formed into a plurality of hollow triangles through the supporting beam.
[0012] As a further limitation of the first aspect of the utility model, the connecting beam is made of an aluminum hollow square tube.
[0013] As a further limitation of the first aspect of the utility model, the wall thickness of the aluminum hollow square tube is in the range of [0.4mm, 10mm].
[0014] As a further limitation of the first aspect of the utility model, the connecting beam is in a rectangular structure as a whole.
[0015] As a further limitation of the first aspect of the utility model, the inner top surface and the inner bottom surface of the first notch groove are parallel to each other, and the inner top surface and the inner bottom surface of the second notch groove are parallel to each other.
[0016] As a further limitation of the first aspect of the utility model, the notch upper and lower thicknesses of the first notch groove and the second notch groove are the same.
[0017] As a further limitation of the first aspect of the utility model, the first adjusting knob is in threaded connection with the fixed measuring piece, and the second adjusting knob is in threaded connection with the sliding measuring piece.
[0018] As a further limitation of the first aspect of the utility model, the fixed measuring piece is fixed at the upper part of the first end of the connecting beam, and the sliding rail is arranged at the top of the connecting beam.
[0019] Secondly, the utility model provides a parallelism detection system.
[0020] The parallelism detection system comprises a wedge plug gauge and the parallelism detection device of the first aspect of the utility model, and the wedge plug gauge is used for detecting the gap between one side of the bottom plate and the fixed measuring piece and detecting the gap between the other side of the bottom plate and the sliding measuring piece after the first end and the second end of the connecting beam are in the same horizontal state.
[0021] The utility model has the following beneficial effects:
[0022] 1. The parallelism detection device is innovatively provided, the fixed measuring piece is fixed at the first end of the connecting beam, the sliding rail is arranged longitudinally on the connecting beam, the sliding measuring piece is slidably connected with the sliding rail, the horizontal element is connected with the center position of the connecting beam, the measuring mode of multiple specification ruler is replaced, the problems of too many measuring tools required for measuring the bottom plate, requiring multiple people to cooperate, and dead angle existing in detection are solved, and the purpose of ensuring that the parallelism quality of the bottom plate meets the process requirements is achieved.
[0023] 2. The parallelism detection device is innovatively provided, the middle of the connecting beam is formed into multiple hollow triangles through the supporting beam, and the connecting beam is made of aluminum hollow square tube, so that the stability is met while the volume is reduced, and the deflection deformation affecting the straightness is avoided.
[0024] 3. The parallelism detection device is innovatively provided, the inner top surface and the inner bottom surface of the first notch groove are parallel to each other, the inner top surface and the inner bottom surface of the second notch groove are parallel to each other, the notch upper and lower thicknesses of the first notch groove and the second notch groove are the same, the rapid and accurate butt joint with the side plate can be realized, and the measurement error is reduced.
[0025] 4. The parallelism detection device is innovatively provided, the first adjusting knob is threadedly connected with the fixed measuring piece, the second adjusting knob is threadedly connected with the sliding measuring piece, the threaded connection mode can not only ensure the stability of the fixed measuring piece, but also facilitate the operation of the staff, and the working efficiency is improved.
[0026] 5. The parallelism detection system is innovatively provided, the horizontal control of the connecting beam can be realized in combination with the horizontal element, the first adjusting knob and the second adjusting knob, and the accurate detection of the horizontal degree can be realized in combination with the wedge plug gauge. BRIEF DESCRIPTION OF DRAWINGS
[0027] The drawings accompanying the specification of the present utility model form a part thereof, serve to provide further understanding of the present utility model, and together with the specification explain the present utility model, and do not constitute improper limitations on the present utility model.
[0028] Figure 1 The schematic view of the parallelism detection device provided by the present utility model is shown in the figure;
[0029] Figure 2 The use state schematic view of the parallelism detection device provided by the present utility model and the two side bottom plates is shown in the figure;
[0030] Wherein, 1, connecting beam; 2, fixed measuring part; 3, sliding measuring part; 4, horizontal element; 5, slide rail; 6, first adjusting knob; 7, second adjusting knob; 8, one side bottom plate; 9, the other side bottom plate. DETAILED DESCRIPTION
[0031] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs.
[0032] As introduced in the background, due to the large rigidity of the driver's room bottom plate of the overall group after welding, the traditional hammer adjustment method cannot meet the adjustment force, and auxiliary flame adjustment is needed. In extreme conditions, the upper end panel beam weld of the bottom plate needs to be cut off, and then welded after reaching the parallel condition, which increases the additional material consumption and the occupational disease risk of arc light and spatter generated by welding and polishing. Therefore, in actual production, rapid and high-precision detection of the levelness of the bottom plate is needed to ensure the parallelism of the bottom plate. The existing bottom plate levelness detection method mostly uses a fixed length ruler to detect, for example, the length of the ruler is 2m, 3m and 3.2m, which can only detect a specific range and cannot cover the entire span of the bottom plate, which leads to dead angles during measurement and cannot achieve rapid and accurate measurement.
[0033] Therefore, the present embodiment proposes a parallelism detection device, which comprises a connecting beam 1, a fixed measuring part 2 and a sliding measuring part 3, the fixed measuring part 2 is provided with a first notch slot for inserting one side bottom plate 8, and the sliding measuring part 3 is provided with a second notch slot for inserting the other side bottom plate 9.
[0034] The fixed measuring part 2 is fixed at the first end of the connecting beam 1, the connecting beam 1 is longitudinally provided with a slide rail 5, the sliding measuring part 3 is in sliding connection with the slide rail 5, and the center position of the connecting beam 1 is connected with a horizontal element 4; the top of the fixed measuring part 2 is provided with a first adjusting knob 6 capable of penetrating into the first notch slot, and the top of the sliding measuring part 3 is provided with a second adjusting knob 7 capable of penetrating into the second notch slot.
[0035] In the present embodiment, when in use, the first notch slot of the fixed measuring part 2 and the second notch slot of the sliding measuring part 3 are respectively inserted into the bottom plates on both sides, the fixed measuring part 2 is fixed and cannot move, and the sliding measuring part 3 is designed as a sliding block, which can meet the measurement requirements of different lengths and sizes by sliding the sliding block along the slide rail 5.
[0036] In this implementation, after the detection device is placed at the position to be measured, the first adjustment knob 6, the second adjustment knob 7, and the horizontal element 4 in the middle of the observation device are used to make both ends of the device be at the same level.
[0037] In this implementation, preferably, the middle of the connecting beam 1 is formed by a support beam to form multiple hollow triangles, and the connecting beam 1 is made of aluminum hollow square tube. The wall thickness of the aluminum hollow square tube is preferably 2mm. Through the above design, the volume is reduced while its stability is met, and the deflection deformation is avoided from affecting the straightness.
[0038] Understandably, the upper and lower limits of the wall thickness of the aluminum hollow square tube here are:
[0039] [0.4mm, 10mm] can be 0.4mm, 10mm, or any value between 0.4mm and 10mm. When weight reduction is required, a smaller wall thickness can be selected within this range. When strength is required, a larger wall thickness can be selected within this range. Those skilled in the art can make the selection according to the specific working conditions, which will not be elaborated here.
[0040] In this implementation, preferably, the connecting beam 1 has a rectangular structure. It is understood that the connecting beam 1 can also adopt other structural forms, but it is necessary to ensure that the top surface of the connecting beam 1 is horizontal, so as to achieve horizontal control at both ends of the connecting beam 1. The specific shape can be selected by those skilled in the art according to the specific working conditions, and will not be elaborated here.
[0041] In this implementation, preferably, the inner top surface and inner bottom surface of the first notch are parallel to each other, the inner top surface and inner bottom surface of the second notch are parallel to each other, and the upper and lower thicknesses of the first notch and the second notch are the same. Through the above design, it is possible to achieve quick and accurate docking with the side plate and reduce measurement errors.
[0042] In this implementation, preferably, the first adjusting knob 6 is threadedly connected to the fixed measuring component 2, and the second adjusting knob 7 is threadedly connected to the sliding measuring component 3. The threaded connection not only ensures the stability of the fixation but also facilitates operation by the staff and improves work efficiency.
[0043] In this implementation, preferably, the fixed measuring component 2 can be fixed to the upper part of the first end of the connecting beam 1 by welding, and the slide rail 5 is arranged on the top of the connecting beam 1, so that the sliding measuring component 3 can slide longitudinally on the top of the connecting beam 1, thereby expanding the detection range.
[0044] Based on the parallelism detection device, the parallelism detection system is additionally provided with a wedge plug gauge for detecting the gap between the one side bottom plate 8 and the fixed measuring member 2 and the gap between the other side bottom plate 9 and the sliding measuring member 3 after the first end and the second end of the connecting beam 1 are in the same horizontal state, and adjusting and repairing when the gap is greater than the process requirement size, and the detection sequence is sequentially from the one end of the vehicle head to the rear.
[0045] In conclusion, the utility model solves the problems of too many measuring tools, the need for multiple people to cooperate, and the existence of dead angles in the measurement of the bottom plate after the assembly welding of the driver's room of the rail transit vehicle is completed, saves the procurement and identification costs caused by too many measuring tools and the cost caused by the rework due to the existence of the measurement dead angle, can improve the measurement efficiency of the bottom plate of the rail transit vehicle, timely find the existence of problems, and ensure the product quality.
[0046] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A parallelism detection device, characterized in that, comprising: a connecting beam, a fixed measuring piece and a sliding measuring piece, the fixed measuring piece is provided with a first notch groove for inserting one side floor, the sliding measuring piece is provided with a second notch groove for inserting the other side floor; the fixed measuring piece is fixed at the first end of the connecting beam, the connecting beam is longitudinally provided with a sliding rail, the sliding measuring piece is in sliding connection with the sliding rail, and a horizontal element is connected to the center position of the connecting beam; the top of the fixed measuring piece is provided with a first adjusting knob capable of penetrating into the first notch groove, and the top of the sliding measuring piece is provided with a second adjusting knob capable of penetrating into the second notch groove.
2. The parallelism detection device according to claim 1, characterized in that, the middle of the connecting beam is formed into a plurality of hollow triangles through a supporting beam.
3. The parallelism detection device according to claim 1 or 2, characterized in that, the connecting beam is made of an aluminum hollow square tube.
4. The parallelism detection device according to claim 3, characterized in that, the wall thickness of the aluminum hollow square tube is in the range of [0.4mm, 10mm].
5. The parallelism detection device according to claim 1 or 2, characterized in that, the connecting beam is in a rectangular structure as a whole.
6. The parallelism detection device according to claim 1 or 2, characterized in that, the inner top surface and the inner bottom surface of the first notch groove are parallel to each other, and the inner top surface and the inner bottom surface of the second notch groove are parallel to each other.
7. The parallelism detection device according to claim 6, characterized in that, the notch upper and lower thickness of the first notch groove is the same as the notch upper and lower thickness of the second notch groove.
8. The parallelism detection device according to claim 1 or 2, characterized in that, the first adjusting knob is in threaded connection with the fixed measuring piece, and the second adjusting knob is in threaded connection with the sliding measuring piece.
9. The parallelism detection device according to claim 1 or 2, characterized in that, the fixed measuring piece is fixed at the upper part of the first end of the connecting beam, and the sliding rail is arranged at the top of the connecting beam.
10. A parallelism detection system characterized by, comprising a wedge plug gauge and the parallelism detection device according to any one of claims 1-9; the wedge plug gauge is used to detect the gap between the one side floor and the fixed measuring piece and to detect the gap between the other side floor and the sliding measuring piece after the first end and the second end of the connecting beam are in the same horizontal state.