阅读说明：本技术 一种高精度空轨钢梁轨道接口伸缩装置 (High-precision air rail steel beam rail interface expansion device ) 是由 黄绍泉 曹晗 张庆发 郭晓 崔洪岩 王伟 戴东泽 吴志强 于 2021-02-07 设计创作，主要内容包括：本发明公开了一种高精度空轨钢梁轨道接口伸缩装置,包括A部分、B部分、C部分及D部分。其中A部分由两个横向滑块相互相互啮合,覆盖整个B部分拨动盘,C部分两块伸缩连接板一端分别连接钢梁轨道、钢梁轨道,另一端压制A部分横向滑块,导槽相互对应,B部分拨动盘由波动盘固定套固定,波动盘固定套紧固在D部分两块伸缩装置托板,D部分伸缩装置托板连接钢梁轨道及钢梁轨道。钢梁轨道、钢梁轨道发生长度变时,伸缩装置B部分拨动盘发生转动,由拨动盘上的拨柱拨动A部分两块横向滑快同时做横向交错滑移并相互补给长度变化,使轨道面始终处于无缝对接状态,从而使行车轮平稳通过。(The invention discloses a high-precision air rail steel beam track interface telescopic device which comprises a part A, a part B, a part C and a part D. Wherein the A part is by two horizontal slider intermeshing, covers whole B part and dials, and the girder steel track is connected respectively to two expansion joint board one end in C part, girder steel track, the horizontal slider of other end suppression A part, and the guide slot corresponds each other, and B part dial dish is fixed by the fixed cover of undulant dish, and the fixed cover fastening of undulant dish is at two partial telescoping device layer boards in D, and girder steel track are connected to partial telescoping device layer board in D. When the length of the steel beam track and the steel beam track is changed, the poking disc of the B part of the telescopic device rotates, the poking columns on the poking disc poke the two transverse sliding blocks of the A part to transversely and alternately slide and supplement the length change, so that the track surface is always in a seamless butt joint state, and the travelling wheels stably pass through.)

1. The utility model provides a high accuracy air rail girder steel track interface telescoping device which characterized in that: comprises a part A, a part B, a part C and a part D;

wherein the part A comprises two transverse sliders; the part B comprises a fluctuation disc, a poking disc fixing sleeve and a countersunk hexagon socket head cap screw; the part C comprises two telescopic connecting plates and a countersunk hexagon socket head cap screw; the D part comprises two telescoping device supporting plates.

The transverse sliding block is meshed with the telescopic connecting plate,

the two transverse sliding blocks are combined and then integrally covered with the poking disc, and the combined long circular groove is meshed with a poking column on the poking disc;

the dial plate fixing sleeves are respectively fixed on the single-hole sides of the two telescopic device supporting plates by the countersunk head hexagon socket head cap bolts, and the two circular through holes of the dial plate are assembled and meshed corresponding to the two dial plate fixing sleeves;

two telescoping device layer boards and two expansion joint board are connected respectively on two girder steel tracks, stir the dish and set up in two telescoping device layer boards tops, and the horizontal sliding plate is installed in stir the dish top, and it is even with horizontal sliding plate long circular groove meshing to dial the post, and the horizontal sliding plate that two horizontal sliders formed is connected with the oblique 45 meshing of expansion joint board, the A part sets up the below at the C part.

2. The high-precision air-rail steel beam track interface telescopic device of claim 1, wherein: the transverse sliding block is a trapezoidal plate, the trapezoidal plate is a right-angled trapezoid, the oblique waist edge is 45 degrees, and the two right-angled edges are combined and butted to form a parallelogram.

3. The high-precision air-rail steel beam track interface telescopic device of claim 1, wherein: the right-angle edges of the two right-angle trapezoidal plates of the transverse sliding block are combined and butted, a square through concave-convex groove is formed in the butt joint, one transverse sliding block is a groove, the other transverse sliding block is a convex groove, the groove width is 1/3 of the plate thickness, and the two transverse sliding blocks are mutually meshed when being assembled; the oblique waist edge is 45 degrees, the upper side of the oblique edge is provided with an L-shaped guide groove, and the depth of the guide groove is 1/2 plate thickness.

4. The high-precision air-rail steel beam track interface telescopic device of claim 1, wherein: the lower surfaces of the two transverse sliding blocks are respectively provided with a semicircular sinking platform and an oblong groove, and the circular sinking platform and the oblong groove are in a step shape; the two transverse sliding block groups are matched with the rear half round sinking platform to form a full round sinking platform, the long round groove is close to the short bottom edge of the trapezoid, and the matched rear long round groove is matched with the circle center of the round sinking platform to form a 180-degree corresponding position.

5. The high-precision air-rail steel beam track interface telescopic device of claim 1, wherein: the 45-degree bevel edge L-shaped guide groove of the transverse sliding block is meshed with the L-shaped guide groove of the telescopic connecting plate, and the transverse sliding block is meshed below the 45-degree bevel edge of the telescopic connecting plate.

6. The high-precision air-rail steel beam track interface telescopic device of claim 1, wherein: the poking disc is circular, two circular through holes are formed in the poking disc, the through holes are 180-degree opposite positions, two poking columns are arranged on the poking disc, the poking columns are 180-degree opposite positions, a through hole opposite position connecting line and a poking column opposite position connecting line form 90 degrees, and the two circular through holes and the two poking columns alternately form 90 degrees respectively.

7. The high-precision air-rail steel beam track interface telescopic device of claim 1, wherein: the fixed sleeve of the toggle plate is two circles, and a conical through hole is formed in the middle of the fixed sleeve of the toggle plate.

8. The high-precision air-rail steel beam track interface telescopic device of claim 1, wherein: the telescopic connecting plate is a right-angle trapezoidal plate, 1/2 plate thickness is cut below a right-angle side, a conical bolt hole is formed, an L-shaped guide groove is formed in the lower side of a 45-degree side of a trapezoidal inclined waist, and the depth of the guide groove is 1/2 plate thickness.

9. The high-precision air-rail steel beam track interface telescopic device of claim 1, wherein: the right-angle sides of the trapezoidal plates of the two telescopic connecting plates are respectively connected with the two steel beam tracks, and the telescopic connecting plates are meshed above the steel beam tracks and are fastened and connected by countersunk hexagon socket head bolts.

10. The high-precision air-rail steel beam track interface telescopic device of claim 1, wherein: the telescopic device supporting plates are connected with the steel beam tracks through welding seams or bolts, the two telescopic device supporting plates are fixedly connected with the countersunk head hexagon socket head bolts of the part B, and the telescopic device supporting plates are arranged at the lowest part of the device.

11. The high-precision air-rail steel beam track interface telescopic device of claim 1, wherein: the steel beam track is lengthened or shortened due to temperature change, the part A and the part D move back and forth along the length direction of the steel beam, the part B is driven when the gap of the part D changes, the part B rotates clockwise or anticlockwise, the poking column and the oblong slot slide and rotate, the part A is poked to slide transversely relative to the length direction of the steel beam, the length change of the part C is filled, and seamless butt joint is achieved.

Technical Field

The invention belongs to the field of urban aerial rail train bridge assembly type structures and structural installation, and particularly relates to a high-precision aerial rail steel beam rail interface telescopic device.

Background

With the rapid development of cities, the air rail train is a new urban rail vehicle for the development of modern urban traffic in recent years, and is different from vehicles such as subways, light rails, magnetic suspension and the like. The air rail train is driven by totally-enclosed electricity, has no noise and pollution, occupies a small area, is the most environment-friendly vehicle at present, moves from ground traffic to the air, and can relieve the increasingly-growing traffic jam problem of cities on the basis of not expanding the existing highway facilities of the cities. The air rail train overcomes the defects of an overhead light rail or a riding type monorail transit system, and has a plurality of outstanding characteristics and advantages in the aspects of construction and operation.

In general, in bridge structures, spaces or gaps are designed to allow the structures to freely contract, so as to prevent damage to the structures caused by ambient climate temperature changes (expansion and contraction), which are called expansion joints in structural engineering. The expansion joint component can complete the mission of the engineering structure under the condition of ensuring the safety, such as the structure functions of traffic, water and the like. When the steel box girder or the rail at each section of the aerial rail train is installed, a telescopic gap of about 40mm can be reserved between the butt joints, and a device for meeting the length change of the steel girder and the travelling rail so as to ensure the travelling safety of the train is needed between the gaps. The invention provides a high-precision expansion device for an air rail steel beam rail interface, which can solve the problems of length change of a travelling crane rail and travelling safety. The aerial rail telescopic device has important practical application prospect and significance, and plays a role in promoting the development of aerial rail trains.

Disclosure of Invention

The invention provides a high-precision air rail steel beam track interface expansion device aiming at the defects in the prior art, and aims to solve the problems that a train travelling wheel stably passes through a track surface, the travelling safety and the stability of a train during travelling are ensured, and the riding comfort is improved in the process of the train travelling by a middle gap between an air rail steel beam and a track in butt joint.

The specific technical scheme of the invention is as follows:

the utility model provides a high accuracy air rail girder steel track interface telescoping device which characterized in that: comprises a part A, a part B, a part C and a part D;

wherein the part A comprises two transverse sliders; the part B comprises a fluctuation disc, a poking disc fixing sleeve and a countersunk hexagon socket head cap screw; the part C comprises two telescopic connecting plates and a countersunk hexagon socket head cap screw; the D part comprises two telescoping device supporting plates.

The transverse sliding block is meshed with the telescopic connecting plate,

the two transverse sliding blocks are combined and then integrally covered with the poking disc, and the combined long circular groove is meshed with a poking column on the poking disc;

the dial plate fixing sleeves are respectively fixed on the single-hole sides of the two telescopic device supporting plates by the countersunk head hexagon socket head cap bolts, and the two circular through holes of the dial plate are assembled and meshed corresponding to the two dial plate fixing sleeves;

two telescoping device layer boards and two expansion joint board are connected respectively on two girder steel tracks, stir the dish and set up in two telescoping device layer boards tops, and the horizontal sliding plate is installed in stir the dish top, and it is even with horizontal sliding plate long circular groove meshing to dial the post, and the horizontal sliding plate that two horizontal sliders formed is connected with the oblique 45 meshing of expansion joint board, the A part sets up the below at the C part.

As a preferred technical scheme, the transverse sliding block is a trapezoidal plate, the trapezoidal plate is a right-angled trapezoid, the oblique waist edge is 45 degrees, and the two right-angled edges are combined and butted to form a parallelogram.

According to a preferable technical scheme, the right-angle edges of two right-angle trapezoidal plates of the transverse sliding block are combined and butted, a square through concave-convex groove is formed in the butt joint, one transverse sliding block is a groove, the other transverse sliding block is a convex groove, the width of the groove is 1/3 of the plate thickness, and the two transverse sliding blocks are meshed with each other when being assembled; the oblique waist edge is 45 degrees, the upper side of the oblique edge is provided with an L-shaped guide groove, and the depth of the guide groove is 1/2 plate thickness.

As a preferred technical scheme, a semicircular sinking platform and an oblong groove are arranged below the two transverse sliding blocks, and the circular sinking platform and the oblong groove are in a step shape; the two transverse sliding block groups are matched with the rear half round sinking platform to form a full round sinking platform, the long round groove is close to the short bottom edge of the trapezoid, and the matched rear long round groove is matched with the circle center of the round sinking platform to form a 180-degree corresponding position.

Preferably, the L-shaped guide groove of the 45-degree bevel edge of the transverse sliding block is meshed with the L-shaped guide groove of the telescopic connecting plate, and the transverse sliding block is meshed below the 45-degree bevel edge of the telescopic connecting plate.

As a preferred technical scheme, the poking disc is circular, two circular through holes are formed in the poking disc, the through holes are in 180-degree relative positions, two poking columns are arranged on the poking disc, the poking columns are in 180-degree relative positions, the connecting line of the relative positions of the through holes and the connecting line of the relative positions of the poking columns form 90 degrees, and the two circular through holes and the two poking columns alternately and respectively form 90 degrees.

As the preferred technical scheme, the fixed sleeve of the toggle plate is in two round shapes, and a conical through hole is formed in the middle of the fixed sleeve of the toggle plate.

Preferably, the telescopic connecting plate is a right-angled trapezoidal plate, 1/2 plate thickness is cut below a right-angled side, a conical bolt hole is formed, an L-shaped guide groove is formed below a 45-degree side of a trapezoidal inclined waist, and the depth of the guide groove is 1/2 plate thickness.

As the preferred technical scheme, the right-angle sides of the trapezoidal plates of the two telescopic connection plates are respectively connected with the two steel beam tracks, and the telescopic connection plates are meshed and connected above the steel beam tracks and are fastened and connected through countersunk hexagon socket head bolts.

As an optimal technical scheme, the supporting plates of the telescopic devices are connected with a steel beam track through welding seams or bolts, the two supporting plates of the telescopic devices are fixedly connected with the countersunk hexagon socket head bolts of the part B, and the supporting plates of the telescopic devices are arranged at the lowest part of the device.

As a preferred technical scheme, the steel beam track is lengthened or shortened due to temperature change, the part A and the part D move back and forth along the length direction of the steel beam, the part B is driven when the gap of the part D changes, the part B rotates clockwise or anticlockwise, the poking column and the long circular groove slide and rotate, the part A is poked to slide transversely relative to the length direction of the steel beam, the length change of the part C is filled, and seamless butt joint is achieved.

Has the advantages that:

the invention is applied to the seamless butt joint of aerial track bridges and tracks, so that the train running wheels can stably pass through the track surface, the running safety and the stability of the train during running are ensured, and the riding comfort is improved.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a front view of a high-precision air rail steel beam rail interface telescopic device in an embodiment of the invention;

fig. 2 is a top view of a high-precision air rail steel beam rail interface telescopic device according to an embodiment of the present invention.

Fig. 3 is an exploded view of part a.

Fig. 4 is an exploded view of part B.

Fig. 5 is an exploded view of part C.

Fig. 6 is an exploded view of part D.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention will now be further described with reference to the accompanying drawings.

As shown in fig. 1 and 2, the high-precision air rail steel beam track interface expansion device comprises a part a (transverse sliding block), a part B (poking disc), a part C (expansion connecting plate) and a part D (expansion device supporting plate). Wherein part A comprises two transverse sliders 1, 2; the part B comprises a fluctuation disc 3, a toggle disc fixing sleeve 4 and a countersunk hexagon socket head cap screw 5; the part C comprises two telescopic connecting plates 6 and 7 and a countersunk hexagon socket head cap screw 8; part D comprises two retractor blades 9, 10.

The transverse sliding blocks 1 and 2 are two trapezoidal plates which are right-angled trapezoids, the oblique waist edges are 45 degrees, and the two right-angled edges are combined and butted to form a parallelogram.

Referring to fig. 3, the right-angled edges of the two right-angled trapezoidal plates of the transverse sliding block 1 and the transverse sliding block 2 in the part a are combined and butted, a square through concave-convex groove is arranged at the butt joint, the transverse sliding block 1 is a groove (female groove), the transverse sliding block 2 is a convex groove (male groove), the groove width is 1/3 of plate thickness, and the two right-angled trapezoidal plates are meshed with each other when being assembled; the oblique waist edge is 45 degrees, the upper side of the oblique edge is provided with an L-shaped guide groove, and the depth of the guide groove is 1/2 plate thickness.

A semicircular sinking platform and an oblong groove are arranged below the transverse sliding blocks 1 and 2 (non-wheel-pressing surfaces) of the part A, and the circular sinking platform and the oblong groove are in a step shape; the transverse sliding blocks 1 and 2 are assembled to the rear half round sinking platform to form a whole round sinking platform, the long round grooves are close to the short bottom edges of the trapezoid, and the rear long round grooves are assembled to form 180-degree corresponding positions by the circle center of the round sinking platform.

In one embodiment, the oblique L-shaped guide slot of the part A transverse sliding block 1, 245 degrees is engaged with the oblique L-shaped guide slot of the part C telescopic connecting plate 6, 7L, and the part A transverse sliding block 1, 2 is engaged below the oblique 45 degrees of the C telescopic connecting plate 6, 7.

In one embodiment, the transverse sliding blocks 1 and 2 of the part A are combined to be integrally covered on the toggle plate 3 of the part B, and the oblong groove is meshed with the toggle column on the toggle plate.

In one embodiment, see fig. 4, the B section wave plate 3: the poking disc 3 is circular, two circular through holes are formed in the upper surface of the poking disc, the through holes are 180-degree opposite positions, two poking columns are arranged on the through holes, the poking columns are 180-degree opposite positions, the connecting line of the relative positions of the through holes and the connecting line of the relative positions of the poking columns are 90 degrees, and the two circular through holes and the two poking columns alternately and respectively form 90 degrees.

Preferably, part B of the toggle plate fixing sleeve 4: the poking disc fixing sleeve 4 is two circles, and a conical through hole is formed in the middle; and part B5 is a countersunk hexagon socket head cap screw.

In one embodiment, the toggle disc fixing sleeves 4 are respectively fixed on the single-hole sides of the part D by adopting countersunk hexagon socket head bolts 5 of the part B, and two circular through holes of the toggle disc 3 are assembled and meshed corresponding to the two toggle disc fixing sleeves 4; the two poking columns are respectively meshed with the oblong grooves of the transverse sliding blocks 1 and 2 at the part A.

Referring to fig. 5, the part C is formed by two right-angled trapezoidal plates, the thickness of 1/2 plates is cut off below the right-angled sides (non-rolling surface), and tapered bolt holes (rolling surface) are formed, the lower side (non-rolling surface) of the 45-degree side of the trapezoidal oblique waist is provided with an L-shaped guide groove, and the depth of the guide groove is 1/2 plates.

In one embodiment, right-angle sides of trapezoidal plates of the C part are respectively connected with steel beam tracks (wheel pressing plates 11 and 12), and the telescopic connecting plates 6 and 7 are meshed and connected above the steel beam tracks (the wheel pressing plates 11 and 12) and are fixedly connected by countersunk hexagon socket head bolts 8 of the C part. The inclined 45-degree edges of the C-part telescopic connecting plates 6 and 7 are meshed with the inclined 45-degree edges of the A-part transverse sliding blocks 1 and 2), and the C-part telescopic connecting plates 6 and 7 are meshed above the transverse sliding blocks 1 and 2).

In one embodiment, as shown in fig. 6, the section D includes two telescoping device support plates 9 and 10, which are connected to a steel beam rail (wheel clamp 11) and a steel beam rail (wheel clamp 12) by welding or bolts. The telescopic device supporting plates 9 and 10 are fixedly connected with the countersunk hexagon socket head cap screw 5 of the part B. Part D is that the telescopic device supporting plates 9 and 10 are arranged at the lowest part of the device.

The telescopic device part D telescopic device supporting plates 9 and 10 and the telescopic connecting plates 6 and 7 part C of the telescopic device are connected to a steel beam track (a wheel pressing plate 11) and a steel beam track (a wheel pressing plate 12); the part B poking disc is connected above the part D telescopic device supporting plates 9 and 10, the part A transverse sliding plates 1 and 2 are arranged above the part B poking disc, and the poking column is meshed with the part A transverse sliding plate oblong groove; the A part transverse sliding plates 1 and 2 are in 45-degree engagement connection with the C part telescopic connecting plates 6 and 7, and the A part is arranged below the C part.

The steel beam track (wheel pressing plate 11) and the steel beam track (wheel pressing plate 12) are lengthened or shortened due to temperature change, the parts 6 and 7 and the parts 9 and 10 of the telescopic device A move back and forth (in the length direction of the steel beam), the gap between the parts 9 and 10 of the D is changed to drive the part B3, the part B3 rotates clockwise or anticlockwise, the poking column and the oblong groove slide and rotate, the parts 1 and 2 of the A are poked to slide transversely (in the length direction of the steel beam relatively), the length change of the parts 6 and 7 of the C is filled, and seamless butt joint is achieved.

The use method of the device in the invention is as follows:

firstly, welding or bolting a supporting plate of the D part of telescopic device with a steel beam track (a wheel pressing plate 11) and a steel beam track (a wheel pressing plate 12); secondly, fastening the fixing sleeve of the poking disc of the part B at the threaded through hole of the supporting plate of the telescopic device of the part D by adopting a countersunk hexagon socket head cap screw, and then installing the poking disc corresponding to the two fixing sleeves according to the two through holes; correspondingly meshing the concave-convex guide grooves of the two transverse sliding plates of the part A, combining the concave-convex guide grooves, and assembling the circular concave surfaces downwards on the wave disc of the part B, wherein the long grooves of the transverse sliding plates correspond to the wave columns of the shifting disc; and finally, the two telescopic connecting plates at the part C are respectively and fixedly connected with a steel beam track (a wheel pressing plate) by adopting countersunk hexagon socket head cap screws, and the single-edge guide groove of the inclined edge of the telescopic connecting plate is pressed on the guide groove of the edge of the inclined edge of the transverse sliding plate at the part A.

In conclusion, the high-precision air rail steel beam and track interface telescopic device disclosed by the invention is used for solving the problems that a train travelling wheel stably passes through a track surface through a middle gap between an air rail steel beam and a track in butt joint, the travelling safety and the stability of a train during travelling are ensured, and the riding comfort is improved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.