CN218723975U

CN218723975U - Lifting detection mechanism

Info

Publication number: CN218723975U
Application number: CN202222582424.6U
Authority: CN
Inventors: 樊兵兵; 柯智强; 焦海; 柯奕
Original assignee: HUANGSHI BANGKE TECHNOLOGY CO LTD
Current assignee: HUANGSHI BANGKE TECHNOLOGY CO LTD
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-03-24
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to the technical field of bearing press-mounting machines, in particular to a lifting detection mechanism, which solves the problems of easy error generation and easy collision in the prior art; the device comprises a horizontally placed bottom plate arranged on a frame body, wherein a first support is vertically arranged on the bottom plate, a second support which is perpendicular to the bottom plate is arranged on the side part of the first support, a vertical guide rail is attached to the side wall, close to the bottom plate, of the second support, a sliding plate is connected onto the guide rail in a sliding manner, a vertical measuring sensor is arranged on the sliding plate, a horizontally placed limiting plate is fixedly arranged on the sliding plate, the detection end of the measuring sensor penetrates through the limiting plate to extend upwards, a vertical lifting oil cylinder is arranged on the side wall of the second support, and the end part of the lifting oil cylinder is connected with the limiting plate; this scheme will detect the switch and change into compression measuring sensor, can more accurate control measurement accuracy and set up the protection apron, can effectively protect lift detection mechanism, satisfies the high demand of bearing automatic pressure equipment machine automatic centering.

Description

Lifting detection mechanism

Technical Field

The utility model relates to a bearing pressure equipment machine technical field, concretely relates to lift detection mechanism.

Background

The lifting detection mechanism is an important special mechanism of the automatic bearing press-fitting machine of a railway bearing overhauling production line and is mainly used for automatically centering the wheel pair. The automatic bearing press-mounting machine is used for selecting and matching the wheel set and the bearing after overhauling according to the interference magnitude standard and then automatically press-mounting the bearing on the shaft neck. The bearing press mounting is mainly divided into the following parts: manual feeding, automatic centering height, automatic press fitting and automatic discharging. The automatic centering height is a key step of automatic press-fitting of the bearing, and generally the centering height is completed through a lifting platform and a detection switch, namely the switch is arranged below a shaft neck, and the switch stops descending when detecting a signal in the descending process of the wheel pair.

The switch is inconvenient to install and adjust, errors are easy to generate and the lifting device is easy to collide due to the fact that the wheel pair is heavy and has large inertia, and detection precision is affected or an error signal is sent if impurities such as dust exist on the switch, so that frequent cleaning is needed. The phenomenon has more attention points, the occurrence of error signals is difficult to avoid, the working efficiency of bearing press mounting and the service life of equipment are greatly reduced, and accessories need to be frequently cleaned, periodically overhauled or replaced.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides a lift detection mechanism to easily produce the error and the problem of easy bump phenomenon among the solution prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

lift detection mechanism, including installing the bottom plate that the level on the support body was placed, vertical installation has first support on the bottom plate, the lateral part of first support be provided with bottom plate vertically second support, the laminating is provided with vertical guide rail on the lateral wall that the second support is close to the bottom plate, sliding connection has the slide on the guide rail, install vertical measuring transducer on the slide, fixed mounting has the limiting plate that the level was placed on the slide, measuring transducer's sense terminal passes the limiting plate and upwards extends, be provided with vertical lift cylinder on the lateral wall of second support, lift cylinder's tip links to each other with the limiting plate.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the bottom plate includes horizontal board, with an organic whole connect in the trapezoidal plate of horizontal board lateral part, a side of trapezoidal plate is the right-angle side, first support pastes and leans on the right-angle side installation.

Furthermore, the first support is an L-shaped plate, and a reinforcing rib plate is integrally connected to the bent part of the L-shaped plate.

Furthermore, a protruding plate is integrally connected to the side wall of the second support, the lifting oil cylinder is installed on the bottom surface of the protruding plate, the guide rail is located in the middle of the side wall of the second support, and the first support and the protruding plate are located on two sides of the guide rail respectively.

Furthermore, the top surface of slide is located to the spacing board lid, an organic whole is connected with perpendicular decurrent extension board on the bottom surface of limiting plate, the extension board pastes with the slide lateral wall and leans on the setting, measuring sensor install in on the lateral wall of extension board.

Furthermore, a protective cover plate is arranged on the frame body, and a through hole corresponding to the measuring end of the measuring sensor is formed in the middle of the protective cover plate.

Furthermore, be provided with a plurality of lugs on the bottom surface of protective cover plate, set up the recess on the bottom surface of lug, be provided with the stopper of butt joint recess on the top surface of limiting plate, the stopper is the toper piece.

Furthermore, the tip of flange is provided with the connecting plate, lift cylinder's top is connected with connecting plate, flange respectively, lift cylinder's push rod passes the connecting plate and is connected with the limiting plate.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

according to the scheme, the detection switch is replaced by the compression type measuring sensor, so that the measuring precision can be controlled more accurately, the measuring head does not need to be cleaned frequently, and the sizes of shaft necks with different specifications can be compatible; the whole detection mechanism can be lifted independently and retracted into the frame body base in a non-working state, so that the space structure is reasonably utilized; and the top sets up protective cover plate, can effectively protect lift detection mechanism, satisfies the high demand of automatic centering of the automatic pressure equipment machine of bearing.

Drawings

Fig. 1 is a schematic structural diagram provided by an embodiment of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a state diagram of the lift cylinder in the retracted and returned state when the mechanism is applied;

FIG. 4 is a state diagram of the lift cylinder in position when the mechanism is applied.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base plate; 11. a transverse plate; 12. a trapezoidal plate; 2. a first support; 3. a second support; 31. a convex plate; 32. a connecting plate; 4. a guide rail; 5. a slide plate; 6. a measurement sensor; 7. a limiting plate; 71. an extension plate; 72. a limiting block; 8. a lift cylinder; 9. a protective cover plate; 91. a bump; 10. wheel sets.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatial relationship terms, such as "under" \823030, "" under "\823030" "," under "\8230", "over", and the like, may be used herein to describe the relationship of one element or feature to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "at 8230, below" and "at 8230, below" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

The lift detection mechanism shown in fig. 1 and 2 is mounted on a frame body of the automatic bearing press-fitting machine as a whole. The support comprises a bottom plate 1 which is arranged on a support body and is horizontally arranged, a first support 2 is vertically arranged on the bottom plate 1, the bottom plate 1 comprises a transverse plate 11 and a trapezoidal plate 12 which is integrally connected with the side part of the transverse plate 11, one side edge of the trapezoidal plate 12 is a right-angle edge, and the first support 2 is attached to the right-angle edge. The transverse plate 11 improves the contact area of the frame body, so that the whole mechanism is more stable, and the trapezoidal plate 12 can reduce the occupied space of the mechanism by the structure that the transverse plate 11 continuously shrinks towards the outside.

The lateral part of first support 2 is provided with and bottom plate 1 vertically second support 3, the laminating is provided with vertical guide rail 4 on the lateral wall that second support 3 is close to bottom plate 1, sliding connection has slide 5 on the guide rail 4, install vertical measuring sensor 6 on the slide 5, fixed mounting has the limiting plate 7 that the level was placed on the slide 5, measuring sensor 6's sense terminal passes limiting plate 7 and upwards extends, be provided with vertical lift cylinder 8 on the lateral wall of second support 3, lift cylinder 8's tip links to each other with limiting plate 7.

The limiting plate 7, the sliding plate 5 and the measuring sensor 6 form a whole body and move up and down together, the push rod of the lifting oil cylinder 8 pushes the limiting plate 7 to move, and the detection end of the measuring sensor 6 also moves up and down. As shown in fig. 3, at this time, the lift cylinder 8 descends to the lowest point, and the wheel pair 10 is lifted to the highest point by the lift device in the automatic press-fitting machine. As shown in fig. 4, when the lift cylinder 8 extends to the longest stroke, the lift device also controls the wheel set 10 to descend until the shaft of the wheel set 10 touches the detection end of the measurement sensor 6, the detection end is pressed to displace downward, and the measurement sensor 6 transmits a signal to stop the lift device. Finally, the push rod of the lifting oil cylinder 8 starts to retract, and the whole detection mechanism retracts downwards to the initial state shown in the figure 3.

The value of X in fig. 4 is a standard value, and since the position of the base plate 1 is not changed, the axle of the wheelset 10 moves to a position at a distance X from the base plate 1, and reaches the centering position. In fig. 4, the value of Y is the standard distance of the detection end of the pressure touch detection sensor, and if Y is too large or too small, the detection sensor will give a signal to control the lifting device to adjust the height of the wheel set 10.

The side wall of the second support 3 is integrally connected with a convex plate 31, the lifting oil cylinder 8 is installed on the bottom surface of the convex plate 31, the guide rail 4 is located in the middle of the side wall of the second support 3, and the first support 2 and the convex plate 31 are located on two sides of the guide rail 4 respectively. First support 2 and lift cylinder 8 are located 4 both sides of guide rail respectively, can play the balancing act, and the focus of mechanism is more placed in the middle, and space utilization is also higher.

The first support 2 is an L-shaped plate, and a bending part of the L-shaped plate is integrally connected with a reinforcing rib plate.

Preferably, a connecting plate 32 is arranged at the end part of the convex plate 31, the top of the lifting oil cylinder 8 is respectively connected with the connecting plate 32 and the convex plate 31, and a push rod of the lifting oil cylinder 8 penetrates through the connecting plate 32 to be connected with the limiting plate 7.

Preferably, the limiting plate 7 covers the top surface of the sliding plate 5, the bottom surface of the limiting plate 7 is integrally connected with a vertically downward extending plate 71, the extending plate 71 is arranged to be attached to the side wall of the sliding plate 5, and the measuring sensor 6 is mounted on the side wall of the extending plate 71. The extension plate 71 provides more support area with the top surface of the sliding plate 5, so that the fixing of the limit plate 7 is more stable, a plurality of screw holes can be arranged on the extension plate 71, and the measuring sensors 6 are arranged at different screw holes, thereby changing the verticality of the X and being compatible with different journal and wheel pair 10 sizes.

The limiting plate 7 mainly serves to connect the slide 5 and the lift cylinder 8, but it is further necessary to consider extreme situations, such as failure of the measuring sensor 6, where the wheel set 10 may fall too far and impact the detection mechanism, similar to the problems mentioned in the background. So this scheme is provided with protective cover 9 on the support body, specifically for inlaying the mode of establishing, and the perforation that corresponds with measuring sensor 6's measuring end is seted up at protective cover 9 middle part. A plurality of convex blocks 91 are arranged on the bottom surface of the protective cover plate 9, grooves are formed in the bottom surfaces of the convex blocks 91, the top surface of the limiting plate 7 is provided with a limiting block 72 in butt joint with the grooves, and the limiting block 72 is a conical block. The protective cover plate 9 can play the protection supporting role to the axle of wheel pair 10, and under some size environment, limiting plate 7 can rise and exceed the height of protective cover plate 9, and stopper 72 can dock and hold up protective cover plate 9 with the recess this moment, and after the location finishes, limiting plate 7 returns and drives protective cover plate 9 and withdraws to the position of establishing of inlaying on the support body.

According to the scheme, the detection switch is replaced by the compression type measuring sensor 6, so that the measuring precision can be controlled more accurately, the measuring head does not need to be cleaned frequently, and the sizes of shaft necks with different specifications can be compatible; the whole detection mechanism can be lifted independently and retracted into the frame body base in a non-working state, so that the space structure is reasonably utilized; and the top sets up protective cover plate 9, can effectively protect lift detection mechanism, satisfies the high demand of automatic centering of automatic pressure equipment machine of bearing.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. Lift detection mechanism, its characterized in that, including the bottom plate of installing the level place on the support body, vertical the installing of bottom plate has first support, the lateral part of first support is provided with the second support perpendicular with the bottom plate, the laminating is provided with vertical guide rail on the lateral wall that the second support is close to the bottom plate, sliding connection has the slide on the guide rail, install vertical measuring sensor on the slide, fixed mounting has the limiting plate that the level was placed on the slide, measuring sensor's sense terminal passes the limiting plate and upwards extends, be provided with vertical lift cylinder on the lateral wall of second support, lift cylinder's tip links to each other with the limiting plate.

2. The lift detection mechanism of claim 1, wherein the base plate includes a transverse plate and a trapezoidal plate integrally connected to a side of the transverse plate, wherein a side of the trapezoidal plate is a square, and the first support is mounted against the square.

3. The lifting detection mechanism according to claim 1, wherein the first support is an L-shaped plate, and a bent part of the L-shaped plate is integrally connected with a reinforcing rib plate.

4. The lift detection mechanism of claim 1, wherein a protruding plate is integrally connected to a side wall of the second support, the lift cylinder is mounted on a bottom surface of the protruding plate, the guide rail is located in a middle portion of the side wall of the second support, and the first support and the protruding plate are respectively located on two sides of the guide rail.

5. The lift detection mechanism of claim 1, wherein the limiting plate covers the top surface of the sliding plate, a vertical downward extending plate is integrally connected to the bottom surface of the limiting plate, the extending plate is attached to the side wall of the sliding plate, and the measuring sensor is mounted on the side wall of the extending plate.

6. The lifting detection mechanism according to claim 1, wherein the frame body is provided with a protective cover plate, and a through hole corresponding to the measuring end of the measuring sensor is formed in the middle of the protective cover plate.

7. The lifting detection mechanism according to claim 6, wherein the bottom surface of the protective cover plate is provided with a plurality of bumps, the bottom surfaces of the bumps are provided with grooves, the top surface of the limiting plate is provided with a limiting block abutting against the grooves, and the limiting block is a conical block.

8. The lifting detection mechanism according to claim 4, wherein a connecting plate is arranged at the end of the convex plate, the top of the lifting oil cylinder is connected with the connecting plate and the convex plate respectively, and the push rod of the lifting oil cylinder penetrates through the connecting plate to be connected with the limiting plate.