CN210221031U - Stay cord displacement sensor fixing support for measuring displacement of passenger car suspension - Google Patents
Stay cord displacement sensor fixing support for measuring displacement of passenger car suspension Download PDFInfo
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- CN210221031U CN210221031U CN201921160701.6U CN201921160701U CN210221031U CN 210221031 U CN210221031 U CN 210221031U CN 201921160701 U CN201921160701 U CN 201921160701U CN 210221031 U CN210221031 U CN 210221031U
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- displacement sensor
- stay cord
- fixed bolster
- pull rope
- passenger train
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Abstract
The utility model discloses a stay cord displacement sensor fixed bolster for measuring passenger train suspension displacement, including last fixed bolster, lower fixed bolster, stay cord displacement sensor, wherein go up the fixed bolster and install on passenger train automobile body length direction's square steel and can follow passenger train automobile body length direction and slide or fix, lower fixed bolster is installed on passenger train axle width direction's rectangular steel and can follow passenger train automobile body width direction and slide or fix, and go up the fixed bolster and can adjust along with the cross-sectional dimension size of square steel and rectangular steel respectively with lower fixed bolster, stay cord displacement sensor's casing end is fixed on last fixed bolster stay cord displacement sensor's stay cord end and lower fixed bolster sliding connection, the stay cord end can be followed passenger train length direction or width direction and slided. The utility model discloses simple structure, simple to operate and repeatedly usable all can install and use on the passenger train of different automobile bodies, chassis structure.
Description
Technical Field
The utility model relates to car product testing technical field, especially a stay cord displacement sensor fixed bolster for measuring passenger train suspension displacement.
Background
At present, in the passenger train road test, stay cord displacement sensor because low cost, simple structure, wide application are in passenger train suspension displacement motion test, and displacement sensor's installation is a very loaded down with trivial details process, and traditional displacement sensor mounting method mainly carries out welded connection with displacement sensor support and automobile body, suspension earlier, installs displacement sensor on displacement sensor support again. The main disadvantages of this method are: the welding of the displacement sensor support destroys the structure of the vehicle body to a certain extent, and secondly the displacement sensor support cannot be reused.
The patent publication No. CN 103196680B discloses a combined bracket for fixing a suspension system and a suspension system testing device, which provides a device for testing a suspension system of a car, and the structural difference between the car and the passenger car is large, so the form of the connecting bracket is different. The patent of application publication No. CN107817114A discloses a stay wire displacement sensor bracket and a displacement sensing device, but the stay wire displacement sensor bracket is used for measuring the displacement of an automobile brake pedal, and the bracket form is different from the displacement sensor bracket form for measuring the displacement of a passenger car suspension.
SUMMERY OF THE UTILITY MODEL
The technical scheme of the utility model is that: a stay cord displacement sensor fixed bolster for measuring passenger train suspension displacement includes first installation department, second installation department and stay cord displacement sensor. The pull cord displacement sensor includes a generator end and a pull cord end, whereby the generator end is secured to the first mounting portion and the pull cord end is engaged to the second mounting portion. When the first mounting part and the second mounting part are respectively fixed on the long component and the wide component of the passenger car body, the tension of the pull rope can achieve the purpose of measurement.
Generally, the first mounting portion is clamped to a rectangular steel in the vehicle length direction, and the second mounting portion is clamped to a rectangular steel in the vehicle width direction. The first installation part and the second installation part are both detachable structures, and the first installation part and the second installation part can slide along the displacement of the vehicle body structural member clamped respectively.
Therefore, the first installation part and the second installation part respectively comprise a clamping area which has a guiding function and is adjustable in size. The clamping area consists of two parts: the first part is a reference end arranged on the first mounting part and the second mounting part, and the reference end is used for placing square steel or rectangular steel; the second part is a locking piece with position adjustment along the height direction or the width direction of the square steel or the rectangular steel, and the locking piece can be matched with the reference end to clamp the square steel or the rectangular steel.
The retaining member includes: and the assembly unit generates clamping locking force with the reference end. The connecting part and the reference end form a clamping area, the assembling unit comprises a stud, a nut and a through groove, and the locking and adjusting effects can be achieved through the stud, the nut and the limit of the through groove.
Preferably, if the connection portion is provided with a stud, the correspondingly mating reference end is provided with a through slot, and vice versa. The through groove is formed along the height or width direction of the square steel or the rectangular steel, so that the clamping distance between the connecting part and the reference end can be adjusted, and the adjusting effect can be adjusted along with the size of the cross section of the square steel and the rectangular steel.
The second mounting part comprises a guide part used for sliding fit of the stay wire end, and the guide part comprises slotted holes respectively formed along the vehicle length direction and the vehicle width direction. In order to meet the requirement of movement in two directions, the slotted holes are arranged in a cross shape, so that the stay wire end can generate displacement in the vehicle length direction or the vehicle width direction along the guide part. Therefore, the front, back, left and right directions of the pull wire end are finely adjusted on the second installation part, and the included angle between the pull wire and the central line is ensured to be less than 3 degrees.
The utility model has the advantages that: a stay cord displacement sensor fixed bolster for measuring passenger train suspension displacement has been designed to passenger train body chassis structure, and fixed bolster and lower fixed bolster are installed on different cross sectional dimension's axle and square steel to this support accessible is adjusted, and it is comparatively convenient to install and dismantle, compares with the displacement sensor support of welding on the passenger train among the prior art simultaneously, the utility model discloses repeatedly usable to reduce manufacturing cost and test cost.
Drawings
The invention will be further described with reference to the following drawings and examples:
FIG. 1 is a perspective view of a stay cord displacement sensor mount;
FIG. 2 is a perspective view of a second positioning bracket;
FIG. 3 is a perspective view of a first linking bracket;
FIG. 4 is an assembly view of a pull cord displacement sensor mounting bracket;
wherein: 1. a second connecting bracket; 1a, a third screw; 1b, a fourth screw; 1c, a first connecting part; 1d, a second connecting part; 2. a second positioning bracket; 2a, a third horizontal part; 2b, a fourth horizontal part; 2c, a second vertical portion; 3. a second positioning bracket; 3a, a first positioning part; 3b, a second positioning part; 4. a first connecting bracket; 4a, a first screw; 4b, a second screw; 4c, a first horizontal part; 4d, a first vertical portion; 4e, a second horizontal part; 5. a pull rope displacement sensor; 5a, a shell end; 5b, a stay cord end.
Detailed Description
Example 1:
as shown in fig. 1 to 4, a stay cord displacement sensor fixing bracket for measuring displacement of a passenger car suspension includes a first mounting portion, a second mounting portion, and a stay cord displacement sensor 5. The pull rope displacement sensor 5 includes a generating end fixed to the first mounting portion and a pull rope end 5b fitted to the second mounting portion.
First installation department includes first locating support 3 and first linking bridge 4, and first locating support 3 is the "crack" type structure, and stay cord displacement sensor's emergence end plan is on the left side bottom surface of first locating support. The first connecting support 4 is right-angled, and the two ends of the right-angled area of the first connecting support 4 and the two ends of the first connecting support 4 are long and are used as reference ends to enclose a main body of a clamping area for sleeving square steel. And set up the rubber pad between benchmark end and square steel or rectangular steel, the rubber pad can play the gasket effect, especially when the clamping has some structural components of uneven surface. The effect in clamping district not only can die passenger train automobile body square steel or rectangular steel lock, and the first installation department of effect and second installation department through the clamping district can slide along square steel or rectangular steel moreover for position adjustment is more convenient.
In a similar way, the second installation part comprises a second connecting bracket 1 and a second positioning bracket 2, the second positioning bracket 2 is of an 'crack' type structure, and the second connecting bracket 1 is of a right-angle shape. The main body of the clamping area for sleeving the rectangular steel is surrounded by the two long ends of the right-angle area on the left side of the second positioning support 2 and the two long ends of the second connecting support 1 as reference ends.
The clamping area also comprises: the locking piece is used for adjusting the position along the height direction or the width direction of the square steel or the rectangular steel, and the locking piece can be matched with the reference end to clamp the square steel or the rectangular steel.
The locking piece is locked in an assembly unit form consisting of a stud, a nut and a through groove. The stud is locked by the nut after being inserted into the through groove, wherein the through groove is required to be arranged along the height or width direction of the square steel or the rectangular steel. Therefore, the size of the clamping area can be adjusted by the matching position of the stud in the through groove and the locking length of the stud, so that square steel and rectangular steel with different section sizes can be clamped.
The arrangement of the locking element depends on the construction, and when the stud is arranged on the reference end of the first connecting bracket 4, the corresponding through-going groove is provided in the first positioning bracket 3. On the contrary, when the stud is arranged on the second connecting bracket 1, the corresponding through groove is arranged on the second positioning bracket 2.
Meanwhile, a horizontal end of a right-angle area at the right side of the second positioning bracket 2 is provided with a slotted hole which is arranged in a cross shape. The stay cord end of the stay cord displacement sensor is matched with the slotted hole, and the cross slotted hole can enable the stay cord end to be finely adjusted along the vehicle length direction and the vehicle width direction respectively, so that the included angle between the stay cord and the central line is ensured to be less than 3 degrees.
Example 2:
the first installation part is an upper fixing support, and the second installation part is a lower fixing support.
The upper fixing bracket comprises a first positioning bracket 3 and a first connecting bracket 4, the lower fixing bracket comprises a second connecting bracket 1 and a second positioning bracket 2, and the pull rope displacement sensor 5 comprises a shell end 5a and a pull rope end 5 b.
The first positioning bracket 3 further comprises a first positioning part 3a and a second positioning part 3b, the first positioning part 3a and the second positioning part 3b are mutually vertically connected, and rectangular through grooves which are vertical to the intersection line of the connecting part of the first positioning part 3a and the second positioning part 3b are respectively arranged on the first positioning part 3a and the second positioning part 3 b; the first connecting bracket 4 further includes a first horizontal portion 4c, a second horizontal portion 4e, and a first vertical portion 4d, the first horizontal portion 4c and the second horizontal portion 4e are located on a plane, the first vertical portion 4d is vertically fixed between the first horizontal portion 4c and the second horizontal portion 4e, a first screw rod 4a is fixed at one end of the first vertical portion 4d away from the first horizontal portion 4c, a second screw rod 4b is fixed at one end of the second horizontal portion 4e away from the first horizontal portion 4c, the first screw rod 4a and the second screw rod 4b can penetrate through the rectangular through grooves of the first positioning portion 3a and the second positioning portion 3b, and nuts are mounted on the first screw rod and the second screw rod, and the diameter of the nut is greater than the width of the rectangular through groove.
The second positioning bracket 2 further comprises a third horizontal part 2a, a fourth horizontal part 2b and a second vertical part 2c, the third horizontal part 2a and the fourth horizontal part 2b are positioned on the same plane, the second vertical part 2c is vertically fixed between the third horizontal part 2a and the fourth horizontal part 2b, rectangular through grooves perpendicular to the intersection line of the connection part of the third horizontal part 2a and the second vertical part 2c are respectively arranged on the third horizontal part 2a and the second vertical part 2c, a cross-shaped groove hole is arranged on the fourth horizontal part 2b, and a pull rope end 5b can penetrate through the cross-shaped groove hole and slide in the cross-shaped through groove hole.
Second linking bridge 1 includes first connecting portion 1c and second connecting portion 1d again, first connecting portion 1c and second connecting portion 1d mutually perpendicular connect, and keep away from second connecting portion 1d end at first connecting portion 1c and be fixed with third screw 1a, keep away from first connecting portion 1c end at second connecting portion 1d and be fixed with fourth screw 1b, third screw 1a and fourth screw 1b can run through the rectangle that passes through on third horizontal part 2a and the vertical portion 2c of second and run through the groove, and install the nut on third screw and the fourth screw, the diameter of nut is greater than the rectangle and runs through the width in groove.
Meanwhile, the first horizontal portion 4c is provided with a fixing hole, and the housing end 5a of the rope displacement sensor 5 is fixedly connected with the fixing hole through a fastener.
As shown in FIG. 2, the installation steps of the stay rope displacement sensor fixing bracket for measuring the displacement of the passenger car suspension are as follows:
1. and respectively installing the first connecting part 1c and the second connecting part 1d of the second connecting bracket 1, the second vertical part 2c and the third horizontal part 2a of the second positioning bracket 2 along the rectangular steel of the passenger car axle in a clinging manner, so that the third screw rod 1a and the fourth screw rod 1b on the second connecting bracket 1 penetrate through the rectangular penetrating groove on the second positioning bracket 2 to form a lower fixing bracket. Meanwhile, the first positioning part 3a and the second positioning part 3b of the first positioning bracket 3, and the second horizontal part 4e and the first vertical part 4d of the first connecting bracket 4 are closely mounted along square steel in the length direction of the passenger car body, so that the first screw rod 4a and the second screw rod 4b on the first connecting bracket 4 penetrate through the rectangular through grooves in the first positioning part 3a and the second positioning part 3b to form an upper fixing bracket.
2. Slide adjusting is carried out to fixed bolster along passenger train width direction down, adjusts last fixed bolster along passenger train length direction simultaneously to through the slip fine setting of stay cord end 5b in cross through-groove, make the contained angle of acting as go-between and the central line of stay cord sensor be less than 3.
3. The nuts on the first screw rod 4a, the second screw rod 4b, the third screw rod 1a and the fourth screw rod 1b are utilized for fixing, so that the second connecting support 1 and the second positioning support 2 are firmly fixed on rectangular steel of a passenger car axle, and the first positioning support 3 and the first connecting support 4 are firmly fixed on square steel along the length direction of a passenger car body.
To sum up, the utility model relates to an go up fixed bolster for measuring stay cord displacement sensor of passenger train suspension displacement install on passenger train body length direction's square steel and can follow passenger train body length direction and slide or fix, lower fixed bolster is installed on passenger train axle width direction's rectangular steel and can follow passenger train body width direction and slide or fix, and go up fixed bolster and lower fixed bolster and can adjust along with the cross-sectional dimension size of square steel and rectangular steel respectively, stay cord end 5b of stay cord displacement sensor 5 can run through the inslot along passenger train length direction or width direction slip on fourth horizontal part 2 b. In view of current passenger train automobile body generally be provided with the parallel square steel's of passenger train length direction structure, consequently the utility model is suitable for a not unidimensional structure's passenger train.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical concepts of the present invention be covered by the claims of the present invention.
Claims (5)
1. A stay cord displacement sensor fixing bracket for measuring displacement of a passenger car suspension includes: a first mounting part for fixing the generation end of the pull rope displacement sensor, and a second mounting part for fixing the pull rope end of the pull rope displacement sensor; the method is characterized in that: the first mounting part is detachably clamped on a structural part in the vehicle length direction; the second mounting part is detachably clamped on a structural member in the vehicle width direction; the first mounting part and the second mounting part respectively comprise clamping areas with guiding functions and adjustable sizes; the second mounting part comprises a guide part for sliding fit of the pull rope end; the stay wire end displaces along the guide part, so that the included angle between the stay wire of the stay wire sensor and the central line of the generation end of the stay wire sensor is smaller than 3 degrees.
2. The pull rope displacement sensor fixing bracket for measuring displacement of a passenger car suspension according to claim 1, characterized in that: the clamping area includes: the locking part is used for adjusting the position along the height or width direction of the structural part, and the reference ends are arranged on the first installation part and the second installation part and used for clamping and positioning; and the reference end and the locking piece are detachably installed and matched.
3. The pull rope displacement sensor fixing bracket for measuring displacement of a passenger car suspension according to claim 2, characterized in that: the retaining member includes: the assembly unit generates clamping locking force with the reference end; the assembling unit comprises a stud, a nut and a through groove; the stud is arranged on the reference end, extends into the through groove and generates limit with the through groove through a nut; the stud slides in the through groove along the groove length direction and generates locking adjustment of the structure by the clamping area.
4. The pull rope displacement sensor fixing bracket for measuring displacement of a passenger car suspension according to claim 3, characterized in that: the guide part comprises slotted holes which are respectively arranged along the vehicle length direction and the vehicle width direction.
5. The pull rope displacement sensor fixing bracket for measuring displacement of a passenger car suspension according to claim 4, characterized in that: and a rubber pad for a contact surface gasket is arranged between the reference end and the structural member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921160701.6U CN210221031U (en) | 2019-07-23 | 2019-07-23 | Stay cord displacement sensor fixing support for measuring displacement of passenger car suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921160701.6U CN210221031U (en) | 2019-07-23 | 2019-07-23 | Stay cord displacement sensor fixing support for measuring displacement of passenger car suspension |
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| Publication Number | Publication Date |
|---|---|
| CN210221031U true CN210221031U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921160701.6U Active CN210221031U (en) | 2019-07-23 | 2019-07-23 | Stay cord displacement sensor fixing support for measuring displacement of passenger car suspension |
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| CN (1) | CN210221031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218349A (en) * | 2021-04-30 | 2021-08-06 | 安徽江淮汽车集团股份有限公司 | Sensor installation device |
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2019
- 2019-07-23 CN CN201921160701.6U patent/CN210221031U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218349A (en) * | 2021-04-30 | 2021-08-06 | 安徽江淮汽车集团股份有限公司 | Sensor installation device |
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