CN213476494U - Railway roadbed construction equipment - Google Patents
Railway roadbed construction equipment Download PDFInfo
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- CN213476494U CN213476494U CN202022114545.9U CN202022114545U CN213476494U CN 213476494 U CN213476494 U CN 213476494U CN 202022114545 U CN202022114545 U CN 202022114545U CN 213476494 U CN213476494 U CN 213476494U
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Abstract
The utility model discloses a track bed construction device, which comprises a track panel bracket fixed above a roadbed and two groups of steel rail direction adjusting parts used for respectively adjusting the installation angles of two steel rails; the height of the track panel support is adjustable; the top of the track panel bracket is used for supporting the lower jaws of the two steel rails respectively; the first ends of the two groups of steel rail direction adjusting parts are respectively abutted against one side of the two steel rails departing from the track panel support, and the second ends of the two steel rails are respectively fixed on a construction site. This railway roadbed construction equipment has realized that the section of track is for the unsettled distribution and the relatively fixed of road bed, can avoid the contact of the basic reinforcing bar net of section of track and road bed department and lead to the rail electrically conductive to the construction position of section of track in the accurate adjustment railway roadbed work progress satisfies the section of track in the design standard of direction and elevation two directions. After the track panel is fixed above the roadbed by using the track bed construction device, a track bed layer is arranged between the track panel and the roadbed at one time, and the track bed construction is completed after the track bed construction device is removed.
Description
Technical Field
The utility model relates to a road construction field especially relates to a railway roadbed construction device.
Background
The traditional construction method of the ballastless integral ballast bed of the industrial railway special line comprises a two-layer pouring method and a one-time pouring method.
The two-layer pouring method is that after the line buckling rail beam is reinforced, the lower foundation layer of the concrete road sleeper is poured firstly, and then the concrete sleeper sealing layer positioned above the lower foundation layer of the concrete road sleeper is poured. In the long-term use process of the track bed finished by the construction method, a gap is generated between the concrete sleeper closed layer and the concrete track bed sleeper lower base layer, so that the strength of the fixed rail is insufficient, and further, the defects of line gauge, level, direction overrun and the like are caused.
The one-time pouring method is characterized in that a concrete precast block is pre-embedded in a concrete track bed, the concrete precast block is used for fixing a line steel rail, and the track bed is poured at last for one time. The ballast bed finished by the construction method has the defects of broken concrete precast block, over shallow bolt anchoring depth, corrosion and fracture of anchoring screw spikes and iron backing plates and the like in the long-term use process, so that the ballastless ballast bed line is crushed, the fasteners are not firmly fixed, the fixed rail strength is insufficient, and the defects of line gauge overrun, direction, height and the like are easily caused.
Therefore, the two construction processes have defects, and the diseases caused by the defects bring great difficulty to inspection and maintenance operations, so that line maintenance personnel have high labor intensity and frequent operation, and cannot radically cure the line maintenance operations by means of daily inspection and maintenance operations. Once the maintenance can not be carried out in time, serious potential safety hazard can be brought to the driving safety.
In conclusion, how to solve the defects of the construction process of the ballastless integral ballast bed of the industrial railway special line is a problem which needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a railway roadbed construction equipment can avoid the structural defect who produces after the railway roadbed construction, and then improves railway roadbed construction quality.
In order to achieve the purpose, the utility model provides a track bed construction device, which comprises a track panel bracket fixed above a roadbed and two groups of steel rail direction adjusting parts used for respectively adjusting the installation angles of two steel rails; the height of the track panel support is adjustable;
the top of the track panel bracket is used for supporting the lower jaws of the two steel rails respectively; the first ends of the two groups of steel rail direction adjusting parts are respectively abutted against one side of the two steel rails departing from the track panel support, and the second ends of the two steel rails are respectively fixed on a construction site.
Preferably, the top ends of the track panel supports are used for supporting the lower jaws of the rails on the inner sides of the two rails respectively; the first ends of the two groups of steel rail direction adjusting parts are used for respectively abutting against the outer sides of the two steel rails.
Preferably, the track panel support comprises two groups of first supports which are arranged at intervals and longitudinally and are respectively used for supporting two steel rails; the number of the first supports in the same group is not less than two.
Preferably, the track panel bracket comprises a first bracket arranged longitudinally and a second bracket fixed transversely on the top end of all the first brackets; and two ends of the second bracket are used for respectively supporting the two steel rails.
Preferably, the track panel support specifically includes at least one pair of the first supports arranged at intervals and at least one second support in a plate shape.
Preferably, the second bracket comprises a plurality of reinforcing steel bars which are equal in length and are fixed side by side; and two ends of all the steel bars are used for supporting two steel rails respectively.
Preferably, the first bracket includes:
a longitudinally arranged jacking;
the outer sleeve is sleeved on the jacking support; the nut frame of the jacking is arranged at the top end of the outer sleeve.
Preferably, the outer sleeve is an insulating tube.
Preferably, the rail direction adjusting part is horizontally disposed, and the structure of the rail direction adjusting part is the same as that of the first bracket.
Preferably, the rail direction adjusting part has a horizontal height different from a horizontal height of a top end of the track panel bracket.
Compared with the prior art, the utility model provides a railway roadbed construction equipment includes section of track support and rail direction adjustment portion.
The utility model provides a ballast bed construction equipment is applicable to ballast bed construction technology, mainly indicates to be applied to and sets up this in-process of ballast bed layer between relatively fixed's road bed and track panel. The roadbed construction process is to realize the arrangement of the roadbed layer above the roadbed and ensure the fixation among the track panel, the roadbed layer and the roadbed.
The track panel support is fixed above the roadbed and has adjustable height, and the top of the track panel support is used for respectively supporting the lower jaws of the two steel rails. In the track bed construction process, the steel rail is constructed in a combined structure of a track panel; the track panel comprises a plurality of sleepers which are distributed side by side at intervals and two steel rails which are respectively arranged at two ends of all the sleepers. Thus, the support of the rail by the panel support is virtually identical to the combined structure of the support of the panel by the panel support.
The first end of the steel rail direction adjusting part is respectively abutted against one side of the two steel rails departing from the rail panel support, and the second end of the steel rail direction adjusting part is used for being fixed on a construction site respectively and used for adjusting the installation angle of the two steel rails respectively.
To sum up, the utility model provides a railway roadbed construction equipment realizes through the section of track support that the section of track is for the unsettled distribution and the relatively fixed of road bed to combine rail direction adjustment portion to ensure to set up under the in-process section of track bed is in preset position all the time, satisfy the design standard of direction and elevation. After the track panel is suspended and fixed on the roadbed, a track bed layer is arranged between the track panel and the roadbed, for example, concrete is poured to form a concrete track bed, and a one-time and integral pouring of a ballastless track bed is realized. And after the concrete track bed, the upper surface of the roadbed and the lower part of the track panel are solidified into a whole, the track bed construction device is removed, and the track bed construction is completed. When utilizing this railway roadbed construction device to construct, the section of track is closely knit to be connected with the railway bed layer, avoids the structural defect that the railway bed construction back produced for example the sleeper is beated, is separated the seam, improves railway bed construction quality, and then has prolonged the railway bed life-span, reduces maintenance frequency, improves driving safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an assembly schematic view of a first bracket, a second bracket and a steel rail provided by an embodiment of the present invention;
fig. 2 is an assembly schematic view of a rail direction adjusting part and a rail provided by an embodiment of the present invention;
fig. 3 is a schematic view illustrating the installation of the track bed construction device according to the embodiment of the present invention during construction;
fig. 4 is a construction effect diagram implemented by the embodiment of the present invention.
Wherein, 01-roadbed, 02-steel rail, 021-steel rail jaw, 022-rail web, 03-sleeper, 04-track bed layer, 05-foundation reinforcing mesh, 1-steel rail direction adjusting part, 21-first bracket, 211-top support, 2111-nut, 212-outer sleeve and 22-second bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 4, fig. 1 is an assembly schematic view of a first bracket, a second bracket and a steel rail according to an embodiment of the present invention; fig. 2 is an assembly schematic view of a rail direction adjusting part and a rail provided by an embodiment of the present invention; fig. 3 is a schematic view illustrating the installation of the track bed construction device according to the embodiment of the present invention during construction; fig. 4 is a construction effect diagram implemented by the embodiment of the present invention.
The utility model provides a railway roadbed construction equipment, including two sets of rail direction regulating part 1 and height-adjustable, be used for being fixed in the section of track support of 01 tops of road bed.
The top of the track panel support is used to support the rail chin 021 of two rails 02 respectively. Because the section of track of a track of two rail 02 and a plurality of sleeper 03 assemble into a body structure jointly, consequently, the utility model provides a section of track support's top has realized supporting aforementioned section of track through supporting the rail chin 021 of two rail 02 respectively. Obviously, the support means that the track panel is kept suspended in the roadbed 01 in a relative structural state. Therefore, the track panel support can be symmetrically arranged between two rails 02 to keep the balance of the rails 02 on the top end of the track panel support, the rails 02 can be detachably fixed through the clamping structure on the top end of the track panel support, and the balance of the rails 02 on the top end of the track panel support can be maintained by combining the rail direction adjusting part 1.
For any one of the rails 02, two rail jogs 021 are respectively located at two sides, therefore, in this embodiment, the top of the rail row support can be respectively supported by the two rail jogs 021 located at the inner side of the two rails 02, can also be respectively supported by the two rail jogs 021 located at the outer side of the two rails 02, and can also be supported by the rail jogs 021 located at the inner side of one of the rails 02 and the rail jogs 021 located at the outer side of the other rail 02.
In this embodiment, the first ends of the two sets of rail direction adjusting portions 1 respectively abut against and press one side of the two rails 02 departing from the track panel support, and the second ends are used for being fixed on the construction site respectively. Any one of the rail direction adjusting portions 1 can adjust the installation angle of the rail 02 by changing the contact position of the first end with the rail 02 or changing the length thereof.
To sum up, the utility model provides a track bed construction equipment has realized the section of track for the unsettled distribution and the relatively fixed of road bed 01, can avoid the basic reinforcing bar net 05 contact of section of track and road bed 01 department and lead to rail 02 electrically conductive to the construction position of section of track in the accurate regulation track bed work progress satisfies the section of track in the design standard of direction and elevation two directions.
When the track bed construction device is used for construction, firstly, the track panel is suspended and fixed above the roadbed 01 through the track panel support, after the steel rail 02 is adjusted in place in advance by the track panel support and the steel rail direction adjusting part 1, the track bed layer 04 is arranged between the track panel and the roadbed 01, and therefore disposable and integral construction is achieved. The track bed layer 04 may be provided by a concrete pouring method to form a concrete track bed. After the concrete roadbed and the upper surface of the roadbed 01 and the lower part of the track panel are solidified into a whole, the utility model provides a roadbed construction device is dismantled. The track bed construction device can realize the dense connection of the track panel and the track bed layer 04, strengthen the bearing capacity of reinforced concrete below the track panel, keep the track panel in a qualified track gauge and position, avoid structural defects such as sleeper 03 jumping and gap after track bed construction, radically treat potential safety hazards left by construction, and ensure the normal transportation of a railway special line; the service life of the ballast bed is prolonged, the maintenance frequency is reduced, and the driving safety is improved.
The following describes the track bed construction device provided by the present invention with reference to the accompanying drawings and embodiments.
On the basis of the above embodiment, the utility model provides a track bed construction equipment sets up the section of track support in the inboard of two rail 02, and sets up two sets of rail direction regulating parts 1 in the outside of two rail 02. More specifically, the top end of the track panel support is used to support the rail chin 021 inside two rails 02, and the first end of any one set of rail direction adjustment portion 1 is used to press against the outside of the rail 02, for example, against the rail web 022 on the outside of the rail 02.
It should be noted that the inner side and the outer side are determined by the relative position relationship of the two rails 02 in the track panel, the inner side is two adjacent sides of the two rails 02 in the track panel, and the outer side is two opposite sides of the two rails 02 in the track panel.
In this embodiment, since only one side of any one of the rails 02 contacts the track panel support, the rail direction adjusting portion 1 can press the rail 02 on the other side of the rail, so that the rail 02 is deflected in the horizontal plane and deflected in the vertical plane, thereby achieving adjustment of the relative position of the rail 02.
The height of the track panel bracket is adjustable, so that when the height of the steel rail 02 relative to the roadbed 01 is lower than the designed height, the height of the track panel bracket can be increased, and the height of the steel rail 02 relative to the roadbed 01 is increased; conversely, the height of the track panel support can be reduced, thereby reducing the height of the rail 02 relative to the subgrade 01. It can be seen that the track panel carrier is used for height adjustment of the rail 02. When the track panel support and the steel rail direction adjusting part 1 are used for adjusting the steel rail 02, the track panel support and the steel rail direction adjusting part can be used in combination with high-precision instruments such as a total station instrument and a level instrument, the line direction, the height and the level of the steel rail 02 can be accurately adjusted, and the standard reaching of the elevation of the cast track panel and the non-overrun of the horizontal displacement are ensured.
Obviously, it is also possible to dispose the panel support outside the two rails 02 and to dispose the two sets of rail direction adjusting parts 1 inside the two rails 02. For the details, reference may be made to the above description, which is not repeated herein.
The utility model discloses a section of track support or section of track support and 1 order section of track direction regulating part of track maintain unsettled under this relative structure state of road bed 01. Considering that the rail 02 has a long structure, in order to satisfy the suspended state of the track panel relative to the roadbed 01, the track panel bracket can be arranged in the following two ways.
Firstly, discontinuous multi-point support is carried out on any steel rail 02. For example, the track panel support comprises two sets of longitudinally arranged first supports 21, the two sets of first supports 21 are distributed between the two rails 02 at intervals, one set of first supports 21 is used for supporting one rail 02, and the other set of first supports 21 is used for supporting the other rail 02. Wherein, the quantity of the first support 21 of the same group is no less than two, that is to say, under this mode, the first support 21 of a plurality of track panel support, whole first support 21 divide into two sets of, and the quantity of arbitrary one group is no less than two. The two groups may be equally or unequally arranged.
Because two or more contact points exist between any one steel rail 02 and the adjacent first bracket 21, a straight line is established according to two points, and the first brackets 21 in the same group can realize the support of the long-strip-shaped steel rail 02. Since the rails 02 are assembled with the sleepers 03 as a track panel, the two sets of first brackets 21 can support the track panel.
Secondly, continuous multi-point support is carried out on any steel rail 02. For example, the track panel support includes a first support 21 disposed longitudinally and a second support 22 fixed transversely to the top ends of all the first supports 21, and both ends of the second support 22 are used to support two rails 02, respectively. Of course, the second bracket 22 herein mainly refers to the second bracket 22 having a plate shape. If the second carriage 22 is elongate rather than plate-like, the track panel carriage is a discontinuous multi-point support similar to the previous one.
When the plate-shaped second support 22 is in contact with the rail chin 021 of any one of the rails 02, line-surface contact or surface-surface contact is realized, and the support structure can meet the support of the rail 02 with a certain length. In view of the foregoing, by increasing the dimension of the second bracket 22 in the longitudinal direction of the rail 02, the contact surface between the second bracket 22 and the rail 02 can be increased, and support of the rail 02 having a larger length can be satisfied. In addition, at least one pair of first brackets 21 and at least one second bracket 22 which are distributed at intervals can be arranged to form a plurality of groups of the supporting structures, so that the supporting of the steel rail 02 with larger length can be met.
To the utility model discloses the second support 22 that adopts can include a plurality of isometric and fixed reinforcing bars side by side, and platelike reinforcing bar subassembly is fixed into to whole reinforcing bars, can adopt 8 diameters to weld for 12 mm's reinforcing bar gapless side by side for example. The second bracket 22 can meet the line-surface contact or surface-surface contact between the second bracket 22 and the steel rail 02, and the structural strength requirement of the second bracket 22. In this embodiment, the two rails 02 are supported by both ends of all the reinforcing bars, respectively.
To the utility model discloses a first support 21, can locate the outer tube 212 of top support 211 including the top support 211 and the cover of vertical setting. Wherein, the nut 2111 of the top support 211 is arranged at the top end of the outer sleeve 212. When the nut 2111 is rotated upward relative to the screw of the top holder 211, the length of the screw above the nut 2111 is reduced, and the height of the nut 2111 from the roadbed 01 is always equal to the longitudinal height of the outer sleeve 212, so that the height of the top end of the first bracket 21 relative to the roadbed 01 is reduced, thereby realizing the reduction of the height of the steel rail 02 from the roadbed 01. Conversely, when the nut 2111 is rotated downward relative to the screw of the top holder 211, the length of the screw located above the nut 2111 is increased, and therefore the height of the top end of the first bracket 21 relative to the roadbed 01 is increased, thereby increasing the height of the steel rail 02 from the roadbed 01.
The utility model provides a railway roadbed construction equipment can set up the section of track support between the adjacent sleeper 03 of section of track, therefore when demolising the section of track support, can follow the clearance of adjacent sleeper 03 and demolish the section of track support. Taking the first support 21 with the top support 211 and the outer sleeve 212 as an example, the top support 211 can be removed from the outer sleeve 212, and the gap where the outer sleeve 212 is located is filled with the construction material of the track bed 04.
The outer sleeve 212 is an insulating tube such as a PVC tube. The PVC pipe is easy to cut, and after the track bed layer 04 is arranged, the PVC pipe can be cut off along the upper surface of the track bed layer 04; and PVC insulation is adopted, so that the circuit conduction can be avoided. The top support 211 can adopt a screw rod with the diameter of 32mm, the outer sleeve 212 can adopt a PVC pipe with the diameter of 50mm, the top support 211 is taken out of the outer sleeve 212 after the construction of the track bed layer 04 is finished, and the outer sleeve 212 is cut off along the upper surface of the track bed layer 04.
The utility model provides a rail direction regulating part 1 can adopt and set up with the same structure of first support 21, that is to say, rail direction regulating part 1 is including top support 211 and outer tube 212 equally. The first bracket 21 is preferably vertically disposed in the vertical direction, and the rail direction adjusting portion 1 is horizontally disposed.
The utility model discloses the both sides symmetric distribution of the section of track can be in two sets of rail direction regulating parts 1 that adopt, and the interval of two sets of rail direction regulating parts 1 sets up to 5 m. The track panel support is used for roughly adjusting the height of the track panel, and the steel rail direction adjusting part 1 can realize the adjustment of the direction and the angle of the track panel and the accurate adjustment of the height. Before the track bed construction device is dismantled, the existing state of the line formed by the track panels is measured, the central line and the longitudinal section of the line are measured, the slope of the line adjusted on the premise of keeping the original design is rechecked and confirmed by technical, vehicle, engineering management and construction units, the track bed after construction is ensured to meet the use requirement, and the safety and the continuity of railway transportation are ensured. The measurement can be realized by high-precision instruments such as a total station instrument, a level instrument and the like.
On the basis of the above-described embodiment, the horizontal height of the rail direction adjusting portion 1 is different from the horizontal height of the top end of the track panel support, so that the rail direction adjusting portion 1 can easily and sensitively realize the deflection of the rail 02 in the vertical plane.
The horizontal height of the rail direction adjusting part 1 can be slightly lower than the horizontal height of the top end of the track panel support, and at the moment, the contact point of the rail direction adjusting part 1 and the rail 02 is slightly lower than the contact point of the top end of the track panel support and the rail 02. For example, the first end of the rail direction regulating portion 1 is located at the web 022 of the rail 02, and the apex of the track bar support is located at the rail chin 021 of the rail 02, and the web 022 is lower than the rail chin 021.
It is right above that the utility model provides a ballast bed construction equipment has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A track bed construction device is characterized by comprising a track panel bracket fixed above a roadbed (01) and two groups of steel rail direction adjusting parts (1) used for respectively adjusting the installation angles of two steel rails (02); the height of the track panel support is adjustable;
the top of the track panel bracket is used for supporting the steel rail lower jaws (021) of the two steel rails (02) respectively; the first ends of the two groups of steel rail direction adjusting parts (1) are respectively pressed against one side, deviating from the track panel support, of the two steel rails (02) and the second ends of the two steel rails are used for being fixed on a construction site respectively.
2. The track bed construction device according to claim 1, wherein the top end of the track panel support is configured to support a rail chin piece (021) inside the two rails (02), respectively; the first ends of the two groups of steel rail direction adjusting parts (1) are used for respectively abutting against the outer sides of the two steel rails (02).
3. The track bed construction device according to claim 1, wherein the track panel supports comprise two sets of spaced and longitudinally arranged first supports (21) for supporting two rails (02), respectively; the number of the first brackets (21) in the same group is not less than two.
4. The track bed construction device according to claim 1, wherein the track panel support comprises a first support (21) disposed longitudinally and a second support (22) fixed transversely to the top ends of all the first supports (21); two ends of the second bracket (22) are used for supporting two steel rails (02) respectively.
5. The track bed construction device according to claim 4, characterized in that the track panel supports comprise in particular at least one pair of said first supports (21) arranged at a distance and at least one said second support (22) in the form of a plate.
6. The track bed construction device according to claim 4, wherein said second bracket (22) comprises a plurality of steel bars of equal length fixed side by side; both ends of all the steel bars are used for supporting two steel rails (02) respectively.
7. The track bed construction device according to any one of claims 3 to 6, wherein the first bracket (21) comprises:
a top support (211) arranged longitudinally;
an outer sleeve (212) sleeved on the top support (211); the nut (2111) of the jacking (211) is arranged at the top end of the outer sleeve (212).
8. The track bed construction device according to claim 7, wherein the outer sleeve (212) is an insulating tube.
9. The track bed construction device according to any one of claims 3 to 6, wherein the rail direction adjusting part (1) is horizontally disposed, and the structure of the rail direction adjusting part (1) is the same as that of the first support (21).
10. The track bed construction device according to claim 9, wherein the horizontal height of the rail direction adjusting part (1) is different from the horizontal height of the top end of the track panel support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022114545.9U CN213476494U (en) | 2020-09-23 | 2020-09-23 | Railway roadbed construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022114545.9U CN213476494U (en) | 2020-09-23 | 2020-09-23 | Railway roadbed construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213476494U true CN213476494U (en) | 2021-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022114545.9U Active CN213476494U (en) | 2020-09-23 | 2020-09-23 | Railway roadbed construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213476494U (en) |
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2020
- 2020-09-23 CN CN202022114545.9U patent/CN213476494U/en active Active
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