CN220129060U - Supporting device, support assembly and support structure of road bed board template - Google Patents
Supporting device, support assembly and support structure of road bed board template Download PDFInfo
- Publication number
- CN220129060U CN220129060U CN202321203353.2U CN202321203353U CN220129060U CN 220129060 U CN220129060 U CN 220129060U CN 202321203353 U CN202321203353 U CN 202321203353U CN 220129060 U CN220129060 U CN 220129060U
- Authority
- CN
- China
- Prior art keywords
- support
- sleeve
- pipe section
- template
- track bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009415 formwork Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model provides a supporting device, a supporting component of a road bed board template and a supporting structure, comprising: the device comprises a first supporting rod, a second supporting rod, a sleeve and a positioning ring; the first support rod and the second support rod are respectively in threaded connection with the sleeve; one end of the first supporting rod far away from the sleeve is L-shaped; the locating ring is arranged at one end of the second supporting rod far away from the sleeve. According to the utility model, the first support rod and the second support rod are respectively in threaded connection with the sleeve, the locating ring is arranged at one end, far away from the sleeve, of the second support rod, the end, far away from the sleeve, of the first support rod is in L-shaped arrangement, the first support rod is in plug-in fit with the track bed template, and the locating ring is fixed on the base surface, so that the track bed template is fixed and supported, a skid is not required to be arranged, the supporting device is simple in using procedure, and the difficulty in adjusting the transverse position of the track bed template is low.
Description
Technical Field
The utility model relates to the technical field of rail transit, in particular to a supporting device, a supporting component of a track bed plate template and a supporting structure.
Background
Along with the development of scientific technology, the railway transportation speed is continuously improved, the high-speed railway has become the trend of the railway development of various countries, in order to adapt to the high stability and high comfort of the high-speed railway, the existing high-speed railway starts to adopt ballastless tracks, the most important part in the ballastless tracks is a track slab, and the track slab is a concrete prefabricated part for fixing a steel rail at the top of a high-speed railway subgrade and is formed by casting a track slab template.
The existing support for the track bed plate template is generally realized by arranging a skid and the like, the working procedures are complicated during construction, and the difficulty is high during adjustment of the transverse position of the track bed plate template.
Disclosure of Invention
The present utility model provides a supporting device for solving the above-mentioned problems in the prior art.
The utility model also provides a support assembly of the track bed slab template.
The utility model also provides a supporting structure of the road bed board template.
According to a first aspect of the present utility model there is provided a support device comprising: the device comprises a first supporting rod, a second supporting rod, a sleeve and a positioning ring; the first support rod and the second support rod are respectively in threaded connection with the sleeve; one end of the first supporting rod, which is far away from the sleeve, is L-shaped; the locating ring is arranged at one end of the second supporting rod far away from the sleeve.
According to one embodiment of the utility model, the sleeve comprises: a first pipe section, a second pipe section, and a third pipe section; the first pipe section, the second pipe section and the second pipe section are sequentially connected; the first pipe section and the third pipe section are internally provided with internal threads for realizing threaded connection of the first support rod and the second support rod; the diameters of the first pipe section and the third pipe section are smaller than those of the second pipe section, and the first pipe section, the second pipe section and the third pipe section are in smooth transition connection.
According to one embodiment of the utility model, an external thread is arranged at one end of the first supporting rod, which is close to the sleeve, and an anti-slip surface is arranged at one side of the first supporting rod, which is far away from the sleeve.
According to one embodiment of the utility model, the positioning ring is welded with one end of the second support rod.
According to a second aspect of the utility model there is provided a support assembly for a track bed form comprising at least two of the support devices described above to form a support for a track bed form.
According to one embodiment of the present utility model, further comprising: a base surface and a positioning column; the positioning column is fixedly connected with the base surface and is obliquely arranged at a certain angle with the vertical direction; the positioning ring is sleeved on the positioning column, and the inner wall of the positioning ring is abutted with the positioning column so as to position and support the ballast bed plate template.
According to a third aspect of the utility model, a supporting structure for a ballast bed slab formwork comprises the supporting assembly.
According to one embodiment of the utility model, the ballast bed slab formwork is arranged perpendicular to the base surface; the track bed template comprises a plurality of cross beams which are arranged at intervals along the vertical direction, and the cross beams are arranged on one side, close to the base surface, of the track bed template; a plurality of through holes for the first support rods to pass through are formed in the cross beam at intervals; wherein, the through hole is suitable for the shape of the first supporting rod.
According to one embodiment of the utility model, the positioning column further comprises: the anti-skid sections are arranged at intervals along the extending direction of the positioning column; wherein, the shape of the anti-slip section is matched with the shape of the inner wall of the positioning ring.
According to one embodiment of the utility model, the two first support rods penetrate through the through holes to position and support the road bed board template; one of the first support rods penetrates through the through hole along the first direction to be spliced with the ballast bed plate template; the other first support rod penetrates through the through hole along the direction opposite to the first direction to be spliced with the ballast bed plate template.
The above technical solutions in the present utility model have at least one of the following technical effects: according to the support device, the support component and the support structure of the track bed board template, the first support rod and the second support rod are respectively in threaded connection with the sleeve, the locating ring is arranged at one end, far away from the sleeve, of the second support rod, the end, far away from the sleeve 30, of the first support rod is arranged in an L-shaped mode, the first support rod is in plug-in fit with the track bed board template, the locating ring is fixed on a base surface, so that the track bed board template is fixed and supported, no skid is needed, and the use procedure of the support device is simple.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a support structure for a track bed formwork of the present utility model;
FIG. 2 is a second schematic view of a supporting structure of a track bed formwork according to the present utility model;
FIG. 3 is a third schematic view of the supporting structure of the ballast bed formwork provided by the utility model;
FIG. 4 is a schematic view of a supporting structure of a track bed formwork according to the present utility model;
FIG. 5 is a schematic view of a supporting structure of a ballast bed formwork according to the present utility model.
Reference numerals:
10. a first support bar; 20. a second support bar; 22. a positioning ring; 30. a sleeve; 32. a first pipe section; 34. a second pipe section; 36. a third pipe section; 40. a base surface; 50. positioning columns; 60. a cross beam; 62. a through hole; 70. an anti-slip section.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The following describes the supporting device, the supporting component of the road bed board template and the supporting structure according to fig. 1 to 5.
According to fig. 1, the utility model provides a support assembly of a ballast bed plate template, which comprises two support devices, wherein the support devices comprise a first support rod 10, a second support rod 20 and a sleeve 30, the first support rod 10 and the second support rod 20 are respectively in threaded connection with the sleeve 30, and one end of the second support rod 20 far away from the sleeve 30 is provided with a positioning ring 22.
According to the present utility model, as shown in fig. 2, there is provided a supporting structure of a track bed board template, a positioning column is disposed on a base surface 40, a positioning ring 22 is sleeved on the positioning column, and two first supporting rods 10 are respectively connected with the track bed board template in an inserting manner.
According to the figures 3 and 4, the cross beam 60 is arranged in the track bed board template, and the cross beam 60 is provided with the through holes 62 for the first support rods 10 to pass through at intervals, so as to realize the plug-in connection of the support assembly and the track bed board template and realize the support and the positioning of the track bed board template.
According to fig. 5, a plurality of anti-slip segments 70 are provided on the surface of the side of the positioning post away from the support assembly, and the shape of the anti-slip segments 70 is adapted to the shape of the inner wall of the positioning ring 22. According to a first aspect of the present utility model there is provided a support device comprising: the first support rod 10, the second support rod 20, the sleeve 30 and the positioning ring 22; the first support rod 10 and the second support rod 20 are respectively in threaded connection with the sleeve 30; one end of the first support rod 10 far away from the sleeve 30 is L-shaped; the positioning ring 22 is disposed at an end of the second support rod 20 away from the sleeve 30.
Specifically, the existing support of the ballast bed plate template is generally realized by arranging a skid and the like, and the mode is often complicated in working procedures during construction, and has high difficulty in adjusting the transverse position of the ballast bed plate template, so that the construction efficiency is influenced.
Further, the utility model provides a supporting device, the first supporting rod 10 and the second supporting rod 20 are respectively in threaded connection with the sleeve 30, the positioning ring 22 is arranged at one end, far away from the sleeve 30, of the second supporting rod 20, the end, far away from the sleeve 30, of the first supporting rod 10 is in L-shaped arrangement, the first supporting rod 10 is in plug-in fit with a track bed plate template, the positioning ring 22 is fixed on the base surface 40, so that the track bed plate template is fixed and supported, no skid is needed, the using procedure of the supporting device is simple, and the difficulty in adjusting the transverse position of the track bed plate template is low.
It should be noted that, the relative positions of the first support rod 10 and the second support rod 20 and the sleeve 30 are adjustable, and the worker can rotate the first support rod 10 and the second support rod 20 to adjust according to the support requirement of the ballast bed template.
According to one embodiment of the utility model, the sleeve 30 comprises: a first tube segment 32, a second tube segment 34, and a third tube segment 36; the first pipe section 32, the second pipe section 34 and the second pipe section 34 are connected in sequence; the first pipe section 32 and the third pipe section 36 are internally provided with internal threads for realizing the threaded connection of the first support rod 10 and the second support rod 20; wherein the first tube section 32 and the third tube section 36 have a diameter less than the diameter of the second tube section 34, and the first tube section 32, the second tube section 34, and the third tube section 36 are in a smooth transition connection.
Specifically, the sleeve 30 is composed of a first pipe section 32, a second pipe section 34 and a third pipe section 36, and the first pipe section 32 and the third pipe section 36 are sequentially connected, internal threads are arranged inside the first pipe section 32 and the third pipe section 36 and are used for being connected with the threads of the first support rod 10 and the second support rod 20, and the diameters of the first pipe section 32 and the third pipe section 36 are smaller than those of the second pipe section 34.
In a possible embodiment, the second pipe section 34 is provided with a force application hole, and when the second pipe section is fastened, a small steel bar, a steel bar or other rod-shaped articles are used for reversely rotating, so that the second pipe section is fast and efficient.
According to one embodiment of the present utility model, the first support rod 10 is provided with external threads at one end thereof close to the sleeve 30, and the first support rod 10 is provided with an anti-slip surface at one side thereof far from the sleeve 30.
Specifically, the one end that sleeve pipe 30 was kept away from to first bracing piece 10 is L type setting, and the one end that is close to sleeve pipe 30 is provided with the external screw thread for with sleeve pipe 30 threaded connection, one side that keeps away from sleeve pipe 30 is provided with the antislip surface, and the antislip surface wraps up in the surface of first bracing piece 10, when with the cooperation of track bed template pegging graft, receives when radially being difficult for taking place because of sliding and lead to the circumstances of support mistake.
According to an embodiment of the present utility model, the positioning ring 22 is welded to one end of the second support rod 20.
In some embodiments of the present utility model, the present utility model further provides a support assembly for a track bed form, comprising at least two of the above-described support devices, to form a support for supporting the track bed form.
According to one embodiment of the present utility model, further comprising: a base surface 40 and a positioning post 50; the positioning column 50 is fixedly connected with the base surface 40 and is obliquely arranged at a certain angle with the vertical direction; the positioning ring 22 is sleeved on the positioning column 50, and the inner wall of the positioning ring 22 is abutted with the positioning column 50 so as to realize positioning and supporting of the track bed template.
Specifically, the base surface 40 and the track bed template are vertically arranged, the positioning column 50 is arranged, the positioning ring 22 is sleeved on the positioning column 50, the inner wall of the positioning ring 22 is abutted to the positioning column 50, and the first support rod 10 is in plug-in fit with the track bed template, so that radial force is formed between the track bed template and the positioning column 50, and support and positioning of the track bed template are realized.
In a possible embodiment, the positioning column 50 is detachably connected with the base surface 40, a mounting hole is formed in the base surface 40, the positioning column 50 is detachably connected with the mounting hole in a clamping, threaded or other manner, and after construction is finished, the positioning column 50 on the base surface 40 can be detached.
In some specific embodiments of the present utility model, the present utility model further provides a support structure for a track bed board formwork, including the support assembly described above.
According to one embodiment of the utility model, the track bed templates are disposed perpendicular to the base surface 40; the track bed plate template comprises a plurality of cross beams 60 which are arranged at intervals along the vertical direction, and the cross beams 60 are arranged on one side of the track bed plate template, which is close to the base surface 40; the cross beam 60 is provided with a plurality of passing holes 62 for the first support bar 10 to pass through at intervals; wherein the through hole 62 is adapted to the shape of the first support bar 10.
Specifically, the base surface 40 and the track bed plate template are vertically arranged, the positioning column 50 is arranged, the positioning ring 22 is sleeved on the positioning column 50, the inner wall of the positioning ring 22 is abutted against the positioning column 50, a plurality of cross beams 60 are arranged on the track bed plate template at intervals along the vertical direction, through holes 62 are formed in the cross beams 60, the shape of the through holes 62 is matched with that of the first support rod 10, the first support rod 10 passes through the through holes 62 and is in plug-in fit with the track bed plate template, radial force is formed between the track bed plate template and the positioning column 50, and support and positioning of the track bed plate template are realized.
In a possible embodiment, a clamping groove is formed in one side, far away from the sleeve 30, of the first support rod 10, and the width of the clamping groove is identical to that of the cross beam 60, and after the first support rod 10 passes through the through hole 62, the cross beam 60 is clamped at the clamping groove, so that positioning and supporting of a ballast bed template can be better achieved.
According to one embodiment of the present utility model, the positioning post 50 further includes: the anti-slip segments 70, the plurality of anti-slip segments 70 are arranged at intervals along the extending direction of the positioning column 50; wherein the shape of the anti-slip segment 70 is adapted to the shape of the inner wall of the retaining ring 22.
Specifically, the positioning column 50 is provided with a plurality of anti-slip segments 70 along the extending direction at intervals, the shape of each anti-slip segment 70 is matched with the shape of the inner wall of the positioning ring 22, when the positioning ring 22 is sleeved on the positioning column 50, the positioning column 50 and the base surface 40 are obliquely arranged, when the second support rod 20 receives a large radial force, an upward component force is generated in the vertical direction, and the anti-slip segments 70 are arranged to prevent the positioning ring 22 from sliding upwards due to the force, so that the positioning and support of the road bed board template are affected.
According to one embodiment of the utility model, two first support rods 10 pass through the pass-through holes 62 to position and support the ballast bed slab; wherein a first support bar 10 is inserted into the ballast bed plate module along a first direction through the passing hole 62; the other first support bar 10 is inserted through the passing hole 62 in the opposite direction of the first direction to the ballast bed plate.
Specifically, the first support rod 10 passes through the through hole 62 to be in plug connection with the track bed template, but at least two support devices are simultaneously included to realize positioning and supporting of the track bed template, and the plug connection directions of the two support devices are opposite, one support rod is in plug connection with the track bed template along the first direction, the other support rod is in plug connection with the track bed template along the opposite direction of the first direction, so that component forces in two directions generated along the extending direction of the track bed template are offset, and positioning and supporting of the track bed template are realized.
In a possible embodiment, the screw thread of the first support rod 10 and the second support rod 20 may be provided with a positioning nut, the positioning nut is in screw thread fit with the first support rod 10 and the second support rod 20, and one side surface of the positioning nut abuts against the sleeve 30, so as to prevent the first support rod 10 and the second support rod 20 from generating movement of relative positions along the extending direction of the sleeve 30 due to force, and thus, inaccurate positioning is caused.
According to the support device, the support component of the track bed board template and the support structure, the first support rod and the second support rod are respectively in threaded connection with the sleeve, the locating ring is arranged at one end, far away from the sleeve, of the second support rod, the end, far away from the sleeve 30, of the first support rod is arranged in an L-shaped mode, the first support rod is in plug-in fit with the track bed board template, the locating ring is fixed on a base surface, so that the track bed board template is fixed and supported, no skid is needed, the use procedure of the support device is simple, and the difficulty in adjusting the transverse position of the track bed board template is low.
Compared with the traditional ballastless track construction technology, the novel ballastless track is adopted, so that the occupied time of a unit track panel frame is successfully shortened, the number of times of inverting the track panel frame is increased, and the construction process is simplified; the transverse adjustment of the existing track panel frame and the adjustment mode of the track bed template are optimized, so that the construction period is effectively shortened, and the construction quality is ensured; the defect of appearance damage of bridge deck and protective wall is reduced, and the measuring precision in the construction fine adjustment process of the ballastless track bed board is improved.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "manner," "particular modes," or "some modes," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or mode is included in at least one embodiment or mode of the embodiments of the present utility model. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or manner. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or ways. Furthermore, various embodiments or modes and features of various embodiments or modes described in this specification can be combined and combined by those skilled in the art without mutual conflict.
Finally, it should be noted that: the above embodiments are only for illustrating the present utility model, and are not limiting of the present utility model. While the utility model has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, or equivalent substitutions can be made to the technical solutions of the present utility model without departing from the spirit and scope of the technical solutions of the present utility model, and it is intended to be covered by the scope of the claims of the present utility model.
Claims (9)
1. A support device, comprising: the device comprises a first supporting rod (10), a second supporting rod (20), a sleeve (30) and a positioning ring (22);
the first supporting rod (10) and the second supporting rod (20) are respectively in threaded connection with the sleeve (30); one end of the first supporting rod (10) far away from the sleeve (30) is L-shaped; the positioning ring (22) is arranged at one end of the second supporting rod (20) far away from the sleeve (30);
the sleeve (30) comprises: a first tube segment (32), a second tube segment (34), and a third tube segment (36); the first pipe section (32), the second pipe section (34) and the second pipe section (34) are sequentially connected; the first pipe section (32) and the third pipe section (36) are internally provided with internal threads for realizing the threaded connection of the first support rod (10) and the second support rod (20); wherein the diameters of the first pipe section (32) and the third pipe section (36) are smaller than the diameter of the second pipe section (34), and the first pipe section (32), the second pipe section (34) and the third pipe section (36) are in smooth transition connection.
2. The support device according to claim 1, wherein an end of the first support rod (10) close to the sleeve (30) is provided with an external thread, and a side of the first support rod (10) remote from the sleeve (30) is provided with an anti-slip surface.
3. Support device according to claim 1 or 2, characterized in that the positioning ring (22) is welded to one end of the second support bar (20).
4. A track bed form support assembly comprising at least two support means as claimed in any one of claims 1 to 3 to form a support for a track bed form.
5. The support assembly for a track bed form of claim 4 further comprising: a base surface (40) and a positioning post (50);
the positioning column (50) is fixedly connected with the base surface (40) and is obliquely arranged at a certain angle with the vertical direction;
the positioning ring (22) is sleeved on the positioning column (50), and the inner wall of the positioning ring (22) is abutted with the positioning column (50) so as to position and support the track bed plate template.
6. A support structure for a ballast bed formwork comprising a support assembly as claimed in claim 4 or claim 5.
7. The support structure of the track bed form according to claim 6, wherein the track bed form is disposed perpendicular to the base surface (40);
the ballast bed template comprises a plurality of cross beams (60) which are arranged at intervals along the vertical direction, wherein the cross beams (60) are arranged on one side of the ballast bed template, which is close to the base surface (40);
a plurality of through holes (62) for the first support rods (10) to pass through are formed in the cross beam (60) at intervals;
wherein the through hole (62) is adapted to the shape of the first support bar (10).
8. The support structure of a track bed form of claim 7 wherein the positioning posts (50) further comprise: the anti-skid sections (70) are arranged at intervals along the extending direction of the positioning column (50);
wherein the shape of the anti-slip section (70) is matched with the shape of the inner wall of the positioning ring (22).
9. The supporting structure of the road bed formwork according to claim 7 or 8, characterized in that two first supporting rods (10) pass through the passing holes (62) to realize positioning and supporting of the road bed formwork;
wherein one of the first support rods (10) passes through the through hole (62) along a first direction to be spliced with the ballast bed template;
the other first supporting rod (10) passes through the through hole (62) along the direction opposite to the first direction to be spliced with the ballast bed plate template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321203353.2U CN220129060U (en) | 2023-05-18 | 2023-05-18 | Supporting device, support assembly and support structure of road bed board template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321203353.2U CN220129060U (en) | 2023-05-18 | 2023-05-18 | Supporting device, support assembly and support structure of road bed board template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220129060U true CN220129060U (en) | 2023-12-05 |
Family
ID=88954765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321203353.2U Active CN220129060U (en) | 2023-05-18 | 2023-05-18 | Supporting device, support assembly and support structure of road bed board template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220129060U (en) |
-
2023
- 2023-05-18 CN CN202321203353.2U patent/CN220129060U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220129060U (en) | Supporting device, support assembly and support structure of road bed board template | |
| JP2007070875A (en) | Upright support structure of strut and foundation block used for the structure | |
| CN209907531U (en) | A support for rainwater pipeline construction | |
| CN220129061U (en) | Supporting component and supporting structure of road bed board template | |
| CN205399104U (en) | Adjustment of support rail groove rail and locking device | |
| CN106836146A (en) | Hydraulic self-lifting cantilever heavy type arch dam shuttering work platform | |
| CN208472565U (en) | It is a kind of for accurately installing the device of Collison fence for bridge built-in fitting | |
| CN207121767U (en) | A kind of support base | |
| DE4436260A1 (en) | Procedure for attachment of rails on ballast=less railway permanent way | |
| CN214994011U (en) | Municipal construction is with supporting location bed-jig | |
| JP2630623B2 (en) | Anchor bolt installation method and anchor bolt support device used for it | |
| CN107841949B (en) | A kind of building technology of inverted trapezoidal Bridge beam assembly moulding bed | |
| CN212779832U (en) | Roadbed supporting rigidity testing system | |
| CN218643383U (en) | Underground construction supporting device | |
| CN219604056U (en) | Device for reinforcing ballastless track expansion joint wood plate | |
| CN220364260U (en) | Track center alignment device | |
| CN220331561U (en) | Prefabricated roof beam reinforcing bar installation bed-jig | |
| CN205474632U (en) | Railway roadbed template locator | |
| CN219772568U (en) | Support structure of track panel frame and track panel frame | |
| CN218628280U (en) | Self-control measuring apparatu that uses double track face central height as benchmark | |
| CN216947675U (en) | Track fine-adjustment track gauge | |
| CN215671463U (en) | Support platform for mounting fence stand column | |
| CN210916836U (en) | GRTSIII type ballastless track bed plate beam-end height difference control device | |
| CN217083758U (en) | Device for accurately testing distance and height difference between crane beam tracks | |
| CN111299911B (en) | Labyrinth flow elimination terminal welding control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |