CN218373034U

CN218373034U - Decline and detect slide plate

Info

Publication number: CN218373034U
Application number: CN202222281072.0U
Authority: CN
Inventors: 卓建华; 陈扬; 李勇; 张志田
Original assignee: Henan Tiechuang Railway Equipment Co ltd; Hefei Rail Transit Group Co ltd
Current assignee: Henan Tiechuang Railway Equipment Co ltd; Hefei Rail Transit Group Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-24
Anticipated expiration: 2032-08-30

Abstract

A decline and detect the slide chair related to railway switch leveling technical field, include the slide chair bottom plate and slide chair stage fixed to upper plate of bottom plate of slide chair, the side of four corners of the bottom plate of the said slide chair is fixed with the extension block, the upper surface of the said extension block has spacing through holes perpendicular to bottom plate of slide chair, the clearance fit is inserted and equipped with the measuring spindle in the said spacing through hole, the side of the said extension block has threaded holes to link up to the spacing through hole, set screw in the said threaded hole; the slide plate can record the dynamic change stroke of the corresponding angle of the slide plate conveniently, and can detect the static settlement value of the slide plate conveniently.

Description

Decline and detect slide plate

Technical Field

The utility model belongs to the technical field of railway switch leveling technique and specifically relates to a decline detects slide chair board is related to.

Background

The common defects of the railway turnout comprise poor turnout level, poor turnout direction, defects of a switch rail part, defects of a guide curve, defects of a frog part and the like; when the track bed subsides or a common base plate below the slide chair plate is damaged and thinned, the problems of overlarge height difference of steel rails on two sides, empty hanging of the steel rails, inclination of the steel rails and the like can be caused, so that potential safety hazards of rollover and derailment of a train and the like caused by uneven stress of the steel rails and the slide chair plate can be caused;

as shown in the attached figure 1, in the process of leveling and renovating railway turnout, if the relative levelness of two adjacent sleepers is to be adjusted, each sleeper needs to be leveled firstly, and if the supporting levelness of each sleeper needs to be adjusted, each slide chair plate needs to be leveled firstly; at present, the leveling method of the slide chair mostly adopts a method of measuring leveling at four corners, measures the relative heights of the four corners of the slide chair, and then adds a slope base plate for leveling through calculation and analysis; in addition, because the measured data at the moment is the final result, the size of the deformation stroke at the same position can not be compared with other slide bed plates after a train passes through the slide bed plates dynamically, the stress condition of each base plate can be further judged, data acquisition necessary for maintenance and prevention can not be obtained, and therefore the optimization difficulty of the leveling and the renovation of the railway turnout is increased.

Disclosure of Invention

In order to overcome not enough among the background art, the utility model discloses a decline and detect slide plate board can be convenient for promptly take notes the dynamic change stroke of the corresponding angle of slide plate board, can be convenient for again detect the static settlement value of slide plate board.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the slide chair for the descent detection comprises a slide chair bottom plate and a slide chair table fixed on the upper plate surface of the slide chair bottom plate, wherein extension blocks are fixed on the side surfaces of four corners of the slide chair bottom plate, limiting through holes perpendicular to the plate surface of the slide chair bottom plate are formed in the upper surface of each extension block, a measuring shaft is inserted into the limiting through holes in a clearance fit mode, threaded holes penetrating through the limiting through holes are formed in the side surfaces of the extension blocks, and positioning screws are arranged in the threaded holes.

Furthermore, the four extending blocks are symmetrically arranged on two side faces of the sliding bed bottom plate, and two extending blocks on the same side face are symmetrically provided with two ends of the sliding bed bottom plate.

Further, the measuring shaft is provided with scales along the axial direction.

Furthermore, the upper table top of the sliding table is provided with a wear-resistant layer.

Further, the wear-resistant layer is in a grid shape, a matrix shape or a strip column shape.

Furthermore, the surface of the sliding bed bottom plate is provided with two mounting holes which are positioned at the opposite angles of the sliding bed bottom plate.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a decline detection slide chair, through set up the extension piece in slide chair bottom plate four corners, and insert the measuring spindle in the spacing through-hole of extension piece, through the lifting change of measuring spindle come audio-visual expression difference in height, measure convenient and fast more, the measuring result is also more accurate;

after the slide plate is installed for the first time, the measuring shaft naturally abuts against the slide plate, and a standard value of the initial height is provided, so that when the positioning screw tightly abuts against the abutted measuring shaft, the measuring shaft cannot reset by natural gravity, once a train passes through the slide plate installed for the first time, the stroke of pressing and rebounding of the corresponding angle of the slide plate is recorded by the measuring shaft, the size of the deformation stroke at the same position is conveniently compared with other slide plates, the stress condition of each base plate is further judged, and data acquisition necessary for maintenance and prevention is obtained, so that further optimization of railway turnout leveling regulation is facilitated; when the positioning screw is unscrewed, the measuring shaft can be used for measuring the final static settlement value of the corresponding angle of the slide plate, so that the final leveling work is facilitated.

Drawings

FIG. 1 is a schematic view of a turnout leveling measuring point model analysis record;

FIG. 2 is a schematic diagram of the structure of the present invention;

FIG. 3 is a schematic top view of the structure of FIG. 2;

FIG. 4 is an enlarged view of the portion A of FIG. 3;

FIG. 5 is a schematic view of a first wear layer of the slider bed;

FIG. 6 is a schematic view of a second wear layer of the slider bed;

fig. 7 is a schematic view of a third wear layer of the slider bed.

In the figure: 1. a slider bed bottom plate; 2. a slide bed table; 3. an extension block; 4. a measuring shaft; 5. a set screw; 6. and (7) installing holes.

Detailed Description

In the following description, the technical solution of the present invention will be described with reference to the accompanying drawings in the embodiment of the present invention, it should be understood that, if there are the indicated positions or positional relationships such as "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and for convenience of description, it is not intended to indicate or imply that the indicated device or element must have a specific position:

the descent detection slide chair described with reference to fig. 2-4 comprises a slide chair bottom plate 1 and a slide chair 2 fixed on the upper plate surface of the slide chair bottom plate 1, wherein the plate surface of the slide chair bottom plate 1 is provided with two mounting holes 6 positioned at opposite angles of the slide chair bottom plate 1, so that the slide chair bottom plate 1 can be conveniently detached, assembled and adjusted, and the slide chair bottom plate 1 can be prevented from being deformed or broken due to excessive hard connection; the four-corner side surfaces of the sliding bed bottom plate 1 are respectively fixed with an extension block 3, the upper surface of each extension block 3 is provided with a limiting through hole perpendicular to the surface of the sliding bed bottom plate 1, a measuring shaft 4 is inserted into the limiting through holes in a clearance fit manner, the measuring shaft 4 is ensured to have a falling trend in a natural state, an upper base plate is arranged below the sliding bed plate and is installed on a sleeper, and the lower end surface of the measuring shaft 4 is generally naturally contacted with the base plate; according to the requirement, the four extension blocks 3 are symmetrically arranged on the two side surfaces of the sliding bed bottom plate 1, and the two extension blocks 3 on the same side surface are symmetrically arranged at the two ends of the sliding bed bottom plate 1, so that the symmetrical arrangement can ensure that the relative positions of the four measurement points are more reasonable, and the measurement data are more accurate; in addition, the measuring shaft 4 is provided with scales along the axial direction, and after the scales are arranged, an additional measuring tool is not needed, so that the measuring device is more convenient; the side surface of the extension block 3 is provided with a threaded hole penetrating to the limiting through hole, a positioning screw 5 is arranged in the threaded hole, and after the positioning screw 5 is screwed and abutted against the measuring shaft 4, the measuring shaft 4 cannot naturally fall and recover if being pushed up to move for a certain distance under stress;

after the slide plate is installed for the first time, the measuring shaft 4 naturally abuts against the slide plate, and a standard value of the initial height is provided, so that when the positioning screw 5 tightly abuts against the abutted measuring shaft, the measuring shaft cannot reset by natural gravity, once a train passes through the slide plate installed for the first time, the stroke of pressing and rebounding the corresponding angle of the slide plate is recorded by the measuring shaft 4, the same position deformation stroke size can be conveniently compared with other slide plates, the stress condition of each base plate is further judged, data acquisition necessary for maintenance and prevention is obtained, and further optimization of railway turnout leveling regulation is facilitated; when the positioning screw 5 is unscrewed, the measuring shaft 4 can be used for measuring the final static settlement value of the corresponding angle of the slide plate, so that the final leveling work is facilitated.

As shown in fig. 5-7, preferably, the upper table top of the sliding bed table 2 is provided with a wear-resistant layer; the wear-resistant layer is in a grid shape, a matrix shape or a strip column shape, so that the contact area is reduced, the wear resistance is improved, and the sliding resistance of the switch rail is reduced.

The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the scope of the claims.

Claims

1. The utility model provides a decline detects slide plate which characterized by: contain sliding bed bottom plate (1) and be fixed in sliding bed platform (2) of face on sliding bed bottom plate (1), the four corners side of sliding bed bottom plate (1) all is fixed with extension piece (3), the upper surface that extends piece (3) is equipped with the spacing through hole of perpendicular to sliding bed bottom plate (1) face, clearance fit inserts in the spacing through hole and is equipped with measuring spindle (4), the side that extends piece (3) is equipped with the screw hole that link up to spacing through hole, set screw (5) in the screw hole.

2. The descent detection slide plate of claim 1, wherein: the four extension blocks (3) are symmetrically arranged on two side surfaces of the sliding bed bottom plate (1), and two extension blocks (3) on the same side surface are symmetrically arranged at two ends of the sliding bed bottom plate (1).

3. The descent detection slide plate of claim 1, wherein: the measuring shaft (4) is provided with scales along the axial direction.

4. The descent detection slide plate according to claim 1, wherein: and the upper table top of the sliding bed table (2) is provided with a wear-resistant layer.

5. The descent detection slide plate of claim 4, wherein: the wear-resistant layer is in a grid shape, a matrix shape or a strip column shape.

6. The descent detection slide plate of claim 1, wherein: the surface of the sliding bed bottom plate (1) is provided with two mounting holes (6) which are positioned at the opposite angles of the sliding bed bottom plate (1).