CN218364357U

CN218364357U - Device for assembling sensor in wiper motor of motor train unit train

Info

Publication number: CN218364357U
Application number: CN202222220386.XU
Authority: CN
Inventors: 郭华江; 罗莹; 胡丙亮; 秦凯; 段小娇
Original assignee: Hunan Liancheng Electric Technology Co ltd; Hunan Lince Rolling Stock Equipment Co Ltd
Current assignee: Hunan Liancheng Electric Technology Co ltd; Hunan Lince Rolling Stock Equipment Co Ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-01-24
Anticipated expiration: 2032-08-23

Abstract

The utility model belongs to the technical field of the rigging equipment, concretely relates to sensor assembly is with device in EMUs train window wiper motor. The bottom plate comprises a bottom plate, the left and right sides all is fixed with the side seat on the bottom plate, be provided with screw mechanism on the side seat, the middle part of bottom plate is provided with locating component, two screw mechanism is provided with first assembly devices and second assembly devices respectively towards locating component's one end. The device avoids the spring washers on the two sides of the sensor fixing plate from causing the axial shifting displacement of the sensor fixing plate due to deformation, and improves the efficiency and precision when the sensor is assembled.

Description

Device for assembling sensor in wiper motor of motor train unit train

Technical Field

The utility model belongs to the technical field of the rigging equipment, concretely relates to sensor assembly is with device in EMUs train window wiper motor.

Background

With the change of rail locomotive vehicles, the requirements of customers on the running stability, the long service life and the like of the rail locomotive windscreen wiper are higher and higher. The assembly process mode of the position sensor used in the wiper motor also needs corresponding improvement, so that the effect of accurately detecting the position of the piston in the motor cylinder by the sensor is realized, and the integral function of the wiper is more reliable and the wiper runs more stably.

As shown in fig. 5, which is a schematic structural diagram of a sensor in a wiper motor, the sensor is a full-thread cylindrical sensor, and in the existing assembly process, because a sensor fixing plate is affected by the deformation of spring washers on two sides, the sensor fixing plate can displace in the axial direction of the cylindrical sensor, which results in that the distance between the side surface of the sensor fixing plate and the side surface of a sensor probe cannot be effectively controlled. This makes later installation of the sensor cumbersome.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a sensor assembly is with device in EMUs train window wiper motor has the characteristics that the operation is swift, improve assembly efficiency.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a device is used in sensor assembly in rain ware motor is blown to EMUs train, includes the bottom plate, the left and right sides all is fixed with the side seat on the bottom plate, be provided with screw rod mechanism on the side seat, the middle part of bottom plate is provided with locating component, two screw rod mechanism is provided with first assembly devices and second assembly devices respectively towards locating component's one end.

As a preferred technical scheme of the utility model, the through-hole has been seted up on the side seat, screw rod mechanism includes the screw flange, the screw flange is fixed to be inlayed and is established in the side seat through-hole that is close to locating component one side, two there are left side lead screw and right side lead screw at the middle part of screw flange threaded connection respectively, the through-hole that the place side seat was run through in the activity respectively of left side lead screw and right side lead screw, the one end that locating component was kept away from to left side lead screw and right side lead screw all is provided with the hand wheel, the one end that the left side lead screw is close to locating component is provided with first assembly devices, the one end that the right side lead screw is close to locating component is provided with second assembly devices.

As a preferred technical scheme of the utility model, locating component is including fixing the locating piece on the bottom plate, and the bilateral symmetry of locating piece is fixed with L type installation piece, and the locating hole has been seted up at the middle part of locating piece, and the bottom of locating hole is circular-arcly, the locating piece towards a side end face of second assembly devices seted up with the communicating constant head tank of locating hole, the width of constant head tank is greater than the aperture of locating hole, the constant head tank bottom is provided with the reference column, the reference column is located the locating hole downside, L type installation piece overhead gage is provided with U type fixture block, the depressed part of U type fixture block cup joints on the locating piece side towards locating hole one side and U type fixture block, the depressed part tip of U type fixture block and the outline parallel and level of locating hole.

As a preferred technical scheme of the utility model, first assembly devices includes left side union nut, left side union nut's interior outer lane all is provided with the screw thread, left side union nut outside threaded connection has positioning nut, still be provided with the end nut who is used for locking positioning nut on the left side union nut, the recess with left side union nut activity adaptation is seted up to the tip of left side lead screw.

As the utility model discloses a preferred technical scheme, second assembly devices includes right side lock nut, right side lock nut's interior outer lane is provided with the screw thread equally, right side lock nut outside threaded connection has stop nut, the tip of right side lead screw is seted up equally and is closed the recess of nut activity adaptation with the right side.

As a preferred technical scheme of the utility model, left side lead screw and right side lead screw are trapezoidal lead screw.

As an optimized technical scheme of the utility model, the cross-section of bottom plate is protruding type structure.

The beneficial effects of the utility model are that:

1. through setting up locating component, can fix a position the sensor when the assembly fast, the mode is screwed up with the sectional type of screw rod mechanism to the first assembly devices of cooperation and second assembly devices, has avoided the spring washers of sensor fixed plate both sides to cause because of warping at the axial drunkenness displacement of sensor, efficiency and precision when having improved the assembly sensor.

Drawings

To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of a three-dimensional structure of the utility model in a use state;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a front view of the cross-sectional structure of the present invention;

FIG. 4 is a schematic view of the positioning assembly of the present invention;

fig. 5 is a schematic diagram of the sensor structure of the present invention;

description of the main elements

In the figure: 1. a base plate; 11. a side seat; 2. a screw mechanism; 21. a threaded flange; 22. a left screw rod; 23. a right screw rod; 24. a hand wheel; 3. a positioning assembly; 31. positioning blocks; 32. an L-shaped mounting block; 33. positioning holes; 34. positioning a groove; 35. a positioning column; 36. a U-shaped fixture block; 4. a first assembly mechanism; 41. left and right nuts are tightened; 42. positioning a nut; 43. an end nut; 5. a second assembly mechanism; 51. right fastening the nut; 52. a limit nut; 6. a sensor; 7. a sensor fixing plate; 8. a spring washer; 9. a thin nut.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1-5, the device for assembling the sensor in the motor of the wiper of the motor train unit train comprises a bottom plate 1, wherein the cross section of the bottom plate 1 is of a convex structure, side seats 11 are fixed on the left side and the right side of the bottom plate 1, screw rod mechanisms 2 are arranged on the side seats 11, a positioning assembly 3 is arranged in the middle of the bottom plate 1, and a first assembling mechanism 4 and a second assembling mechanism 5 are respectively arranged at one ends, facing the positioning assembly 3, of the two screw rod mechanisms 2.

Specifically, a through hole is formed in the side seat 11, the screw mechanism 2 comprises threaded flanges 21, the threaded flanges 21 are fixedly embedded in the through hole of the side seat 11 close to one side of the positioning assembly 3, the middle parts of the two threaded flanges 21 are respectively in threaded connection with a left screw rod 22 and a right screw rod 23, the left screw rod 22 and the right screw rod 23 respectively and movably penetrate through the through hole of the side seat 11, hand wheels 24 are respectively arranged at the ends, far away from the positioning assembly 3, of the left screw rod 22 and the right screw rod 23, a first assembling mechanism 4 is arranged at one end, close to the positioning assembly 3, of the left screw rod 22, and a second assembling mechanism 5 is arranged at one end, close to the positioning assembly 3, of the right screw rod 23; the left screw rod 22 and the right screw rod 23 are both trapezoidal screw rods.

Preferably, the positioning assembly 3 includes a positioning block 31 fixed on the bottom plate 1, L-shaped mounting blocks 32 are symmetrically fixed on two sides of the positioning block 31, a positioning hole 33 is formed in the middle of the positioning block 31, the bottom of the positioning hole 33 is arc-shaped, a positioning groove 34 communicated with the positioning hole 33 is formed in one end surface of the positioning block 31 facing the second assembling mechanism 5, the width of the positioning groove 34 is larger than the aperture of the positioning hole 33, a positioning column 35 is arranged at the bottom of the positioning groove 34, the positioning column 35 is located on the lower side of the positioning hole 33, a U-shaped fixture block 36 is movably arranged on the L-shaped mounting block 32, a recessed portion of the U-shaped fixture block 36 faces one side of the positioning hole 33, the U-shaped fixture block 36 is sleeved on the side of the positioning block 31, and the end portion of the recessed portion of the U-shaped fixture block 36 is flush with the outer contour of the positioning hole 33.

Further, the first assembling mechanism 4 comprises a left clamping nut 41, both the inner ring and the outer ring of the left clamping nut 41 are provided with threads, the outer threads of the left clamping nut 41 are connected with a positioning nut 42, the left clamping nut 41 is also provided with an end nut 43 for locking the positioning nut 42, and the end part of the left lead screw 22 is provided with a groove movably matched with the left clamping nut 41;

the second assembly devices 5 comprise right clamping nuts 51, the inner and outer rings of the right clamping nuts 51 are provided with threads, the outer threads of the right clamping nuts 51 are connected with limit nuts 52, and the end parts of the right lead screws 23 are provided with grooves matched with the right clamping nuts 51 in a movable mode.

The utility model discloses a theory of operation and use flow:

the device for assembling the sensor adopts a sectional type assembling process step, namely, the thin nuts 9 and the spring washers 8 on two sides are not stressed and clamped on the same process step, the thin nuts 9 and the spring washers 8 on the right side of the sensor fixing plate 7 are screwed in place, the distance between the end face of a probe and the side face of the sensor fixing plate 7 is controlled, and then the thin nuts 9 and the spring washers 8 on the left side are screwed.

The specific operation steps are as follows: when the thin nut 9 on the right side is tightened, the sensor 6 needs to be clamped and positioned, so that the thin nut 9 on the right side is stressed to be tightened, the left side thread part of the sensor 6 is firstly sleeved with the sensor fixing plate 7, the spring washer 8, the thin nut 9 and a left clamping nut 41 in advance, the left clamping nut 41 is at the outermost end, at this time, the left clamping nut 41 at the outermost end on the left side of the sensor 6 and the thin nut 9 are mutually tightened, and the thin nut 9 does not apply force to the side surface direction of the sensor fixing plate 7; next, a positioning nut 42 is mounted on the outer ring of the left clamping nut 41, and the positioning nut 42 is rotated on the left clamping nut 41 and moved in the axial direction to position the sensor fixing plate 7;

the position of the sensor fixing plate 7 is determined by using an external distance detection explorator on the right side of the sensor fixing plate 7, the distance between the side face of the sensor fixing plate 7 and the end face of a probe on the right side of the sensor 6 is ensured to meet the requirement, the left positioning nut 42 is rotated in a fine adjustment manner to realize the attachment of the positioning nut 42 and the left side face of the sensor fixing plate 7, the positioning nut 42 is locked by using the end nut 43, and the distance of the sensor fixing plate 7 relative to the end face of the probe of the sensor 6 is set to a required value at the moment, so that the structure has the advantage that the distance positioning of the sensor fixing plate 7 in the axial direction of the sensor 6 is realized by the matching of the positioning nut 42 and the distance detection explorator;

after the above steps, the sensor fixing plate 7 is placed in the positioning groove 34, so that the positioning column 35 is located in the through hole at the bottom of the sensor fixing plate 7; then, inserting the U-shaped fixture block 36 at the corresponding position to ensure that the sensor fixing plate 7 cannot rotate and is firmly limited; then, the end part of the left screw rod 22 is screwed in to prop against the end nut 43, the left clamping nut 41, the positioning nut 42 and the end nut 43 are positioned, then, the spring washer 8 and the thin nut 9 are installed on the right probe side of the sensor 6, the thin nut 9 is screwed in place, the right clamping nut 51 is screwed in the right outer end of the sensor 6 for clamping, the limiting nut 52 is installed on the right clamping nut 51, and the limiting nut 52 is attached to the right side surface of the sensor fixing plate 7;

the thin nut 9 on the right side of the sensor 6 has been screwed in place, and the following operations are carried out on the thin nut 9 on the left side, in particular: the left screw rod 22 is loosened, the end part of the right screw rod 23 is screwed in to abut against the limit nut 52, the right parallel nut 51 and the limit nut 52 are positioned and clamped, and at the moment, the left side surface of the sensor fixing plate 7 is attached to the end surface of the positioning groove 34 and stressed, the structure is characterized in that the screwed right thin nut 9 and the spring washer 8 are limited to a certain cavity, so that after the left positioning nut 42 is loosened, the spring washer 8 on the right side cannot generate elastic force release and deformation, the situation that the spring washer 8 deforms to push the sensor fixing plate 7 to the left side is avoided, and the situation that the set distance between the side surface of the sensor fixing plate 7 and the end surface of the probe is increased is avoided;

next, the left end nut 43 and the positioning nut 42 are removed, the left tightening nut 41 is removed, and the thin nut 9 and the spring washer 8 on the left side of the sensor fixing plate 7 are tightened in place.

And (3) loosening the right screw 23, dismounting the right limiting nut 52 and the right clamping nut 51, dismounting the two U-shaped clamping blocks 36 from the positioning assembly 3, taking out the positioned and assembled sensor, and completing assembly.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a device is used in sensor assembly in rain ware motor is blown to EMUs train, includes the bottom plate, its characterized in that: the left side and the right side of the bottom plate are respectively fixed with a side seat, the side seats are provided with a screw rod mechanism, the middle of the bottom plate is provided with a positioning assembly, and the two screw rod mechanisms are respectively provided with a first assembling mechanism and a second assembling mechanism towards one end of the positioning assembly.

2. The device for assembling the sensor in the motor of the wiper of the motor train unit according to claim 1, wherein: the through-hole has been seted up on the side seat, screw rod mechanism includes the screw flange, the screw flange is fixed to be inlayed in the side seat through-hole that is close to locating component one side, two screw flange's middle part threaded connection has left side lead screw and right side lead screw respectively, the through-hole that the place side seat was run through in the activity respectively of left side lead screw and right side lead screw, the one end that locating component was kept away from to left side lead screw and right side lead screw all is provided with the hand wheel, the one end that locating component was close to the left side lead screw is provided with first assembly devices, the one end that locating component was close to the right side lead screw is provided with second assembly devices.

3. The device for assembling the sensor in the motor of the wiper of the motor train unit according to claim 2, wherein: the positioning assembly comprises a positioning block fixed on the bottom plate, L-shaped mounting blocks are symmetrically fixed on two sides of the positioning block, a positioning hole is formed in the middle of the positioning block, the bottom of the positioning hole is arc-shaped, a positioning groove communicated with the positioning hole is formed in the end face, facing the side face of the second assembling mechanism, of the positioning block, the width of the positioning groove is larger than the diameter of the positioning hole, a positioning column is arranged at the bottom of the positioning groove and located on the lower side of the positioning hole, a U-shaped clamping block is movably arranged on the L-shaped mounting block, the concave portion of the U-shaped clamping block is connected to one side of the positioning hole in a sleeved mode with the U-shaped clamping block on the side of the positioning block, and the end portion of the concave portion of the U-shaped clamping block is flush with the outer contour of the positioning hole.

4. The device for assembling the sensor in the motor of the wiper of the motor train unit according to claim 3, wherein: first assembly devices includes left side lock nut, left side lock nut's interior outer lane all is provided with the screw thread, left side lock nut outside threaded connection has positioning nut, still be provided with the end nut who is used for locking positioning nut on the left side lock nut, the recess with left side lock nut activity adaptation is seted up to the tip of left side lead screw.

5. The device for assembling the sensor in the motor of the wiper of the motor train unit according to claim 4, wherein: the second assembly devices include right clamping nut, the inner and outer circles of the right clamping nut are provided with threads, the outer thread of the right clamping nut is connected with a limiting nut, and a groove matched with the right clamping nut in a movable mode is formed in the end portion of the right lead screw.

6. The device for assembling the sensor in the motor of the wiper of the motor train unit according to claim 5, wherein: and the left screw rod and the right screw rod are both trapezoidal screw rods.

7. The device for assembling the sensor in the motor of the wiper of the motor train unit according to claim 1, wherein: the cross section of the bottom plate is of a convex structure.