CN213708980U

CN213708980U - Adjustable supporting device for disease treatment of ballastless track

Info

Publication number: CN213708980U
Application number: CN202021782324.2U
Authority: CN
Inventors: 何新辉; 陈占; 彭志鹏; 崔国庆; 陈仕奇; 郭睿; 丁绍华; 李丹; 高松松
Original assignee: China Railway Siyuan Survey and Design Group Co Ltd; China Railway Siyuan Group Engineering Construction Co Ltd
Current assignee: China Railway Siyuan Survey and Design Group Co Ltd; China Railway Siyuan Group Engineering Construction Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-07-16
Anticipated expiration: 2030-08-24

Abstract

The embodiment of the utility model discloses an adjustable strutting arrangement for ballastless track disease is renovated, this adjustable strutting arrangement include support piece, adjusting nut and screw rod, the last unthreaded hole that is provided with of support piece, and adjusting nut supports on support piece's top movably, and the screw rod passes adjusting nut and stretches into in the unthreaded hole, and adjusting nut can relative screw rod and support piece rotate. The embodiment of the utility model provides a realized strutting arrangement's height-adjustable, have simple structure, low cost, convenient operation's outstanding characteristics, can effectively promote the efficiency of ballastless track disease renovation work.

Description

Adjustable supporting device for disease treatment of ballastless track

Technical Field

The utility model belongs to the equipment field of renovation ballastless track disease, concretely relates to adjustable strutting arrangement.

Background

The ballastless track is an integral track structure made of concrete, asphalt mixture and other materials and is used for replacing a track structure taking traditional loose crushed stones as a ballast bed. The ballastless track avoids the railway ballast splashing possibly caused by the passing of the train, and has the outstanding characteristics of good smoothness, good stability, long service life and less maintenance work. In the construction process of the ballastless track, the settlement or the upwarp of the ballastless track is easily caused due to the settlement of a roadbed or the problem of the construction process between a track plate and a lower horizontal layer of the ballastless track. After the problem occurs, the track slab is usually required to be vertically lifted to a designed elevation through a jack, then a vertical supporting device is placed in a separation joint formed between the track slab and a lower lying layer, the jack is pulled out after the support is stable, and polymer mortar is backfilled in the separation joint and is compacted, so that the renovation operation is completed.

In the process of the renovation operation, as the settlement or the upwarp of the ballastless track has uncertainty, the lifting strokes of track slabs on different road sections are different, so that the vertical supporting devices with different heights are often temporarily manufactured according to actual needs on site at present, the construction efficiency is low, and the standardization of the site operation is not facilitated; in order to stabilize the support of the track slab, a large number of vertical supporting devices need to be arranged in the whole course of the renovation road section, and the vertical supporting devices cannot be taken out after polymer mortar is backfilled, so that the vertical supporting devices are required to have the characteristics of simple structure, low cost and easiness in batch production.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the application expects to provide an adjustable strutting arrangement for ballastless track disease is renovated, through mutually supporting between support piece, adjusting nut and the screw rod, has simple structure, easy and simple to handle, low cost's outstanding characteristics when having realized strutting arrangement height-adjustable, has promoted the efficiency of construction of renovation operation.

In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:

the utility model provides an adjustable strutting arrangement for ballastless track disease renovation, adjustable strutting arrangement includes support piece, adjusting nut and screw rod, the last unthreaded hole that is provided with of support piece, adjusting nut supports movably support piece's top, the screw rod passes adjusting nut stretches into in the unthreaded hole, adjusting nut can be relative the screw rod with support piece rotates.

In some embodiments, the adjustable supporting device comprises a first supporting plate disposed at the bottom end of the supporting member, and the supporting member is located within the range of the first supporting plate in a plane projection perpendicular to the length direction of the supporting member.

In some embodiments, a first reinforcing rib is circumferentially disposed on an outer surface of the supporting member, and the first reinforcing rib is fixedly connected to the supporting member and the first supporting plate, respectively.

In some embodiments, a side of the first support plate away from the support member is provided with a first anti-slip protrusion.

In some embodiments, the adjustable supporting device comprises a second supporting plate, the second supporting plate is arranged at the top end of the screw rod far away from the adjusting nut, and the screw rod is located in the range of the second supporting plate in a plane projection perpendicular to the length direction of the screw rod.

In some embodiments, a second reinforcing rib is circumferentially arranged on the outer surface of the screw, and the second reinforcing rib is fixedly connected with the screw and the second support plate respectively.

In some embodiments, a second anti-slip protrusion is arranged on one side of the second support plate away from the screw rod.

In some embodiments, the circumferential profile of the adjustment nut is circular and the outer surface of the adjustment nut is provided with a third anti-slip bulge.

In some embodiments, the depth of the unthreaded hole is greater than the adjustable travel of the screw.

The adjustable supporting device in the embodiment of the utility model realizes the height adjustment of the adjustable supporting device through the threaded connection between the adjusting nut and the screw rod and the support of the supporting piece to the nut, so that the adjustable supporting device can flexibly adapt to separating seams with different heights; in addition, before installation, the height of the adjustable supporting device can be adjusted to reduce the overall size of the device, so that the device is convenient to transport and place into a separation seam; moreover, the supporting piece, the adjusting nut and the screw rod which are adopted in the adjustable supporting device have the characteristics of simple structure and reliability in use, are convenient to manufacture or are assembled by adopting standard parts, are beneficial to operation of field personnel, obviously reduce the production cost and the use cost, improve the construction efficiency of field renovation operation, and indirectly improve the operation efficiency of the ballastless track by shortening the construction time.

Drawings

Fig. 1 is a half sectional view of an adjustable support device according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

fig. 3 is a schematic structural view of an adjustable supporting device according to a second embodiment of the present invention;

fig. 4 is a schematic structural view of an adjustable supporting device according to a third embodiment of the present invention;

fig. 5 is a schematic structural view of an adjustable supporting device according to a fourth embodiment of the present invention;

fig. 6 is a schematic view of the structure shown in fig. 5 from another perspective.

Description of the reference numerals

1. Support piece 11, unthreaded hole 2, adjusting nut 21, third anti-skidding arch

3. Screw 4, first supporting plate 5, second supporting plate 51 and second antiskid projection

6. First reinforcing rib 7 and second reinforcing rib

Detailed Description

It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.

In the description of the present application, the "up" and "down" orientations or positional relationships are based on the orientations or positional relationships shown in fig. 1, it being understood that these orientation terms are merely for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.

The embodiment of the utility model provides an adjustable strutting arrangement for ballastless track disease is renovated, refer to fig. 1 to 6, this adjustable strutting arrangement includes support piece 1, adjusting nut 2 and screw rod 3. Referring to fig. 1, a supporting member 1 is provided with a light hole 11, an adjusting nut 2 is movably supported at the top end of the supporting member 1, a screw rod 3 penetrates through the adjusting nut 2 and extends into the light hole 11, the screw rod 3 slides in the light hole 11 along the axial direction of the light hole 11, and the adjusting nut 2 moves synchronously with the screw rod 3 in the sliding process of the screw rod 3; the adjusting nut 2 is rotatable relative to the screw 3 and the support 1, i.e. there is relative movement between the screw 3 and the adjusting nut 2.

The construction process of disease treatment of the ballastless track is introduced as follows:

and S1, separating the track slab of the ballastless track structure from the lower horizontal layer by using the jack and adjusting the track slab to a designed height.

S2, placing a plurality of adjustable supporting devices according to any embodiment of the present application in a separation seam between the track slab and the underlying layer, and rotating the adjusting nuts 2 to enable two ends of the adjustable supporting devices along the vertical direction to be tightly attached to the lower bottom surface of the track slab and the upper surface of the underlying layer.

And S3, taking out the jack after oil is collected and decompressed.

And S4, filling polymer mortar into the separation gap and compacting.

It should be noted that the adjustable supporting device in the embodiment of the present invention may be buried in the filled polymer mortar without being taken out. In addition, after finishing, the rail plate is supported by the solidified polymer mortar, and the adjustable supporting device in the embodiment of the present invention supports the rail plate only as a temporary bearing member during the period from the time when the jack is taken out to the time when the polymer mortar is completely solidified.

The embodiment of the utility model provides an adjustable support device's regulation mode is not limited, for example, in an embodiment, with adjustable support device vertical lay back in foretell parting line, make support piece 1's lower extreme laminate with the upper surface on bed layer down, make adjusting nut 2 laminate all the time on support piece 1's top and avoid adjusting nut 2 along axial displacement through artifical fixed mode, rotatory adjusting nut 2 prevents through artifical or calliper centre gripping that screw rod 3 rotates along with adjusting nut 2, because adopt threaded connection between adjusting nut 2 and the screw rod 3, along with adjusting nut 2's rotation, make screw rod 3 can support piece 1 concertina movement relatively, screw rod 3 stretches out from unthreaded hole 11 gradually until screw rod 3's upper end laminates with the lower bottom surface of track board mutually, adjustable support device's altitude mixture control has been realized.

In another embodiment, after the lower end of the support member 1 is attached to the upper surface of the underlying layer, the screw rod 3 is manually pulled out from the support member 1 by a certain distance until the upper end of the screw rod 3 is attached to the lower bottom surface of the track plate, at this time, the lower end of the screw rod 3 is still located in the unthreaded hole 11, and then the adjusting nut 2 is rotated to enable the adjusting nut 2 to rotate relative to the screw rod 3 and gradually move downwards along the axial direction of the screw rod 3 until the lower end of the adjusting nut 2 is attached to the upper end of the support member 1.

The embodiment of the utility model provides an in adjustable strutting arrangement has satisfied the not support requirement of co-altitude separation joint between ballastless track's track board and the subjacent bed. The adopted main components such as the supporting piece 1, the adjusting nut 2, the screw rod 3 and the like have simple structures, are easy to manufacture or adopt standard components meeting construction requirements for assembly, have low cost and are convenient for mass production; the adjustable supporting device is convenient to assemble, the adjusting nut 2 can be directly rotated to a proper position according to the field condition when the adjustable supporting device is used, the operation is simple and convenient, the operation efficiency of disease treatment of the ballastless track can be improved, the construction period is shortened, and the construction cost is reduced; additionally, the embodiment of the utility model provides an in adjustable strutting arrangement be interim bearing member, because consequently under the prerequisite that satisfies construction quality and safety requirement, its material strength requirement is not high, can further save the cost.

In order to prevent the support member 1 and the screw 3 from being extruded after contacting with the lower layer and the track plate, respectively, thereby preventing the upper surface of the lower layer or the lower bottom surface of the track plate from being damaged. In some embodiments, referring to fig. 1 to 6, the adjustable supporting device includes a first supporting plate 4, the first supporting plate 4 is disposed at the bottom end of the supporting member 1, and the supporting member 1 is located within a range of the first supporting plate 4 in a plane projection perpendicular to the length direction of the supporting member 1. The contact area between the adjustable supporting device and the lower lying layer is increased by the first supporting plate 4, so that the pressure intensity borne by the upper surface of the lower lying layer is reduced, and the upper surface of the lower lying layer is protected to a certain extent.

In some embodiments, referring to fig. 1 to 6, the adjustable supporting device includes a second supporting plate 5, the second supporting plate 5 is disposed at a top end of the screw rod 3 far away from the adjusting nut 2, and the screw rod 3 is located within a range of the second supporting plate 5 in a plane projection perpendicular to a length direction of the screw rod 3. The second supporting plate 5 increases the contact area between the adjustable supporting device and the track plate, so that the pressure intensity borne by the lower bottom surface of the track plate is reduced, and a certain protection effect is also exerted on the lower bottom surface of the track plate.

The first supporting plate 4 is fixedly connected with the supporting member 1 in a welding or screw connection mode; the second support plate 5 is connected to the screw rod 3 by welding or screwing.

In some embodiments, referring to fig. 3, a first reinforcing rib 6 is circumferentially disposed on the outer surface of the supporting member 1, and the first reinforcing rib 6 is fixedly connected to the supporting member 1 and the first supporting plate 4, respectively. The arrangement of the first reinforcing ribs 6 enhances the capability of the adjustable supporting device for inclining and bearing force, prevents the adjustable supporting device from being damaged due to the inclined force of the adjustable supporting device caused by the inclined force of the adjustable supporting device not being completely vertical to the upper surface of the underlying layer after the jack is pulled out from the separation joint and is directly stressed by the adjustable supporting device, and prevents the failure of the renovation operation due to the deformation and lodging of the adjustable supporting device before the backfilling polymer mortar is solidified.

In some embodiments, referring to fig. 3, a second rib 7 is circumferentially disposed on the outer surface of the screw rod 3, and the second rib 7 is fixedly connected to the screw rod 3 and the second support plate 5, respectively. Through setting up second strengthening rib 7, strengthened the ability of adjustable strutting arrangement slope atress, prevented that the jack from taking out from the separation seam and after by the direct atress of adjustable strutting arrangement, adjustable strutting arrangement leads to adjustable strutting arrangement to damage and can't realize the supporting effect because of the slope atress of adjustable strutting arrangement is not totally perpendicular to track board lower surface, prevents to make the renovation operation failure because of adjustable strutting arrangement warp, lodging before backfilling polymer mortar solidifies.

In some embodiments, referring to fig. 4, a second anti-slip projection 51 is provided on a side of the second support plate 5 away from the screw 3. The second anti-slip protrusions 51 can increase the friction between the second support plate 5 and the lower bottom surface of the track plate, so that the adjustable support device is more stable and firm when fixed, and on the other hand, the adjustable support device and the lower bottom surface of the track plate are prevented from slipping to enable the adjusting nut 2 and the screw 3 to rotate together when the adjusting nut 2 is rotated. The second nonslip protrusion 51 may be processed using a surface knurling process.

In some embodiments, the first support plate 4 is provided with a first anti-slip protrusion 41 (not shown) on a side away from the support 1, so as to increase the friction between the first support plate 4 and the upper surface of the underlying layer and prevent slipping between the two. The first non-slip protrusion 41 may be processed using a surface knurling process.

In order to facilitate the use of the adjustable support means in situations where it is necessary to manually rotate the adjustment nut 2 without the use of tools such as wrenches, in some embodiments, referring to fig. 5 and 6, the circumferential profile of the adjustment nut 2 is circular and the outer surface of the adjustment nut 2 is provided with a third anti-slip protrusion 21. The circular profile is easy to adjust the processing and manufacturing of the nut 2, the third anti-sliding bulge 21 is beneficial to increasing the friction force when the adjusting nut 2 is rotated, and the third anti-sliding bulge 21 can be processed by adopting a surface knurling process.

In some embodiments, referring to fig. 1, the depth of the light hole 11 is greater than the adjustable stroke of the screw rod 3, so that the height of the supporting member 1 can be fully utilized to increase the adjustable stroke of the adjustable supporting device, and the application range of the adjustable supporting device is wider. It should be noted that the adjustable stroke refers to the maximum stroke of the screw 3 in the telescopic movement relative to the support 1.

The various embodiments/implementations provided herein may be combined with each other without contradiction.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides an adjustable strutting arrangement for ballastless track disease is renovated, its characterized in that, adjustable strutting arrangement includes support piece, adjusting nut and screw rod, be provided with the unthreaded hole on the support piece, adjusting nut supports with moving ground support piece's top, the screw rod passes adjusting nut and stretching into in the unthreaded hole, adjusting nut can be relative the screw rod with support piece rotates.

2. The adjustable support apparatus according to claim 1, wherein the adjustable support apparatus comprises a first support plate disposed at a bottom end of the support member, and the support member is located within a range of the first support plate in a planar projection perpendicular to a length direction of the support member.

3. The adjustable supporting device according to claim 2, wherein a first reinforcing rib is circumferentially arranged on an outer surface of the supporting member, and the first reinforcing rib is fixedly connected with the supporting member and the first supporting plate respectively.

4. An adjustable support arrangement as claimed in claim 2, in which the side of the first support plate remote from the support member is provided with a first anti-slip projection.

5. The adjustable support device of claim 1, wherein the adjustable support device comprises a second support plate disposed at a top end of the threaded rod away from the adjustment nut, the threaded rod being located within the second support plate in a planar projection perpendicular to a length direction of the threaded rod.

6. The adjustable support device of claim 5, wherein a second reinforcing rib is circumferentially arranged on the outer surface of the screw, and the second reinforcing rib is fixedly connected with the screw and the second support plate respectively.

7. The adjustable support device of claim 5, wherein a second anti-slip protrusion is disposed on a side of the second support plate away from the threaded rod.

8. The adjustable support device of claim 1, wherein the circumferential profile of the adjustment nut is circular and an outer surface of the adjustment nut is provided with a third anti-slip bump.

9. The adjustable support apparatus of claim 1, wherein the depth of the optical aperture is greater than the adjustable travel of the threaded rod.