CN220076361U - Safety flat car for subway rail laying - Google Patents
Safety flat car for subway rail laying Download PDFInfo
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- CN220076361U CN220076361U CN202321580597.2U CN202321580597U CN220076361U CN 220076361 U CN220076361 U CN 220076361U CN 202321580597 U CN202321580597 U CN 202321580597U CN 220076361 U CN220076361 U CN 220076361U
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- pin hole
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- 239000000463 material Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a safe flat car for subway rail laying, and belongs to the technical field of underground rail construction. The safety flat car for subway rail laying comprises a flat car body and a telescopic guardrail; the telescopic guardrail comprises: the device comprises a first rod body, a second rod body, a fixer and a fixing pin. When the telescopic guardrail is used, the fixed pin is pulled out, the second rod body is pulled upwards to a certain height, and then the fixed pin is inserted into the second pin hole and the first pin hole, so that the telescopic guardrail is higher than the flat-plate vehicle body, and a protective effect is achieved on scheduling personnel on the vehicle; when the rail panel materials need to be assembled and disassembled, the fixing pin is pulled out, the second rod body falls back to the lowest position, and then the fixing pin is inserted into the second pin hole and the first pin hole, at the moment, the whole telescopic guardrail is positioned below the surface of the flat plate vehicle body, and the rail panel materials cannot be assembled and disassembled. The safety of the dispatcher is guaranteed, the normal use of the flat car is not affected, and the safety accidents caused by the running process of the rail car can be reduced to a great extent.
Description
Technical Field
The utility model relates to a safe flat car for subway rail laying, and belongs to the technical field of underground rail construction.
Background
In subway track laying engineering, rail vehicles are adopted to traction flat cars to transport materials in track panel. Due to the loading and unloading and transportation conditions of the track panel materials, the periphery of the existing flat car is not surrounded. The flatbed can keep the body balance by grasping the track panel materials in the transportation process of the materials.
When the track car traction flat plate advances, a dispatcher needs to be arranged at the tail part of the flat car to check the line condition and feed the line condition back to the cab. When the vehicle pulls out, no protection and no tongs are provided for the dispatching personnel at the tail of the flat car, and because the light condition in the hole is dim and the vehicle body is longer, the dispatching personnel at the tail of the flat car are extremely easy to slide accidentally to cause casualties due to centrifugal force when the vehicle speed is higher and the train passes through a large curve section.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a safe flat car for subway rail laying.
According to the utility model, the principle that the normal use function of the flat car is not affected is adopted, the design scheme that a telescopic guardrail grip is added at the tail of the flat car is obtained finally through conception and discussion and multiple experiments on site by expanding the research on the protection device added to the flat car with the principle that the safety of a dispatcher is guaranteed.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a safe flatbed for subway shop rail includes: a flat car body and a telescopic guardrail;
the telescopic guardrail comprises:
the first rod body is provided with a first connecting rod,
the length direction of the second rod body is perpendicular to the length direction of the first rod body, and one end of the second rod body is fixedly connected with the first rod body; the number of the second rod bodies is more than two, the more than two second rod bodies and the first rod body are positioned on the same plane, and the more than two second rod bodies are positioned on the same side of the first rod body; the second rod body is provided with a first pin hole, and the first pin hole is a through hole;
the fixer is sleeved outside the second rod body, the length direction of the fixer is vertical to the upper surface of the flat plate vehicle body and is fixedly connected with the tail part of the flat plate vehicle body; the fixer is provided with a second pin hole which is aligned with the first pin hole;
and the fixing pin is matched with the first pin hole or the second pin hole and penetrates through the first pin hole and the second pin hole.
According to the disclosure of the embodiment of the utility model, the number of the first pin holes is more than or equal to two.
According to the embodiment of the utility model, the first pin holes are distributed at equal intervals along the length direction of the second rod body, and the first pin holes are positioned in the same vertical plane.
According to the embodiment of the utility model, the first pin hole is horizontally arranged.
According to the embodiment of the utility model, the aperture of the second pin hole is the same as that of the first pin hole.
According to the disclosure of the embodiment of the utility model, the number of the second rod bodies is four.
According to the embodiment of the utility model, the second rod bodies are equidistantly distributed along the length direction of the first rod body.
According to the embodiment of the utility model, the length of the first rod body is smaller than or equal to the width of the tail of the flat plate vehicle body.
According to the embodiment of the utility model, the cross section of the second rod body is circular.
According to the embodiment of the utility model, the cross section of the fixer is round.
The beneficial effects of the utility model are as follows:
the safety flat car for subway rail laying is provided with a telescopic guardrail; when the telescopic guardrail is used, the fixed pin is pulled out, the second rod body is pulled upwards to a certain height, and then the fixed pin is inserted into the second pin hole and the first pin hole, so that the telescopic guardrail is higher than the flat-plate vehicle body, and a protective effect is achieved on scheduling personnel on the vehicle; when the rail panel materials need to be assembled and disassembled, the fixing pin is pulled out, the second rod body falls back to the lowest position, and then the fixing pin is inserted into the second pin hole and the first pin hole, at the moment, the whole telescopic guardrail is positioned below the surface of the flat plate vehicle body, and the rail panel materials cannot be assembled and disassembled.
The telescopic guard rail has the advantages that the telescopic guard rail can be contracted and stretched selectively under different conditions, so that the safety of dispatching personnel is guaranteed, the normal use of the flat car is not affected, the safety accident occurrence in the running process of the rail car can be greatly reduced, the safety risk of the flat car is greatly reduced, the economic loss is indirectly reduced to a certain extent, and the telescopic guard rail has great significance in subway rail laying construction.
The telescopic protective fence is contracted and stretched in a vertical drawing mode, so that no requirement on horizontal space is met, and the requirement on narrow underground construction space is met. This a safe flatbed for subway shop rail processing and installation are comparatively simple and easy, can generally promote. The method is applied to the site construction process, effectively reduces the construction safety risk and ensures the life safety of staff.
Drawings
Fig. 1 is a schematic structural diagram of a safety flat car for subway rail laying in a working state of a telescopic guardrail according to an embodiment of the utility model;
fig. 2 is a schematic structural view of a safety flat car for subway rail laying in a retractable guardrail retracted state according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a telescopic guardrail of a safety flat car for subway rail laying according to an embodiment of the present utility model;
fig. 4 is a schematic diagram showing an exploded structure of a telescopic guardrail of a safety flat car for subway rail laying according to an embodiment of the present utility model;
the telescopic guardrail comprises a flat car body 1, a telescopic guardrail 2, a first rod body 201, a second rod body 202, a first pin hole 2021, a fixer 2031, a second pin hole 204 and a fixing pin.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and therefore should not be construed as limiting the utility model, but rather as limiting the scope of the utility model, so that any structural modifications, proportional changes, or dimensional adjustments should fall within the scope of the utility model without affecting the efficacy or achievement thereof. Also, the terms such as "upper", "lower", "rear", "front", "left", "right", "middle" and "a" and the like referred to in this specification are also for descriptive purposes only and are not intended to limit the scope of the utility model in which the utility model may be practiced, but rather the relative relationship of the terms may be altered or modified without materially altering the skill of the art.
As shown in fig. 1-2, a safety flatbed for subway rail laying includes: a flat car body 1 and a telescopic guardrail 2.
As shown in fig. 3, the telescopic fence 2 includes: first rod 201, second rod 202, retainer 203, and retaining pin 204.
The length of the first rod 201 may be equal to or less than the width of the tail of the flatbed body 1. The first rod 201 may be a round steel pipe.
The length direction of the second rod 202 is perpendicular to the length direction of the first rod 201. Specifically, it may be: the length direction of the first rod 201 is horizontal and transverse, that is, the first rod 201 is horizontally arranged; the length of the second rod 202 is in the vertical direction, i.e. the second rod 202 is vertically arranged; the second rod 202 is perpendicular to the first rod 201.
One end of the second rod 202 is fixedly connected with the first rod 201. Specifically, the static connection may be a fixed connection; when the first rod 201 is horizontally disposed and the second rod 202 is vertically disposed, the top end of the second rod 202 may be connected to the first rod 201.
The length of the second rod 202 is less than the distance between the upper surface of the tail of the scooter and the rail.
The number of the second rods 202 is more than two, and specifically, the number of the second rods 202 may be four. Two or more second rods 202 are positioned on the same plane as the first rod 201, and two or more second rods 202 are positioned on the same side of the first rod 201; specifically, when the first rod 201 is horizontally disposed and the second rod 202 is vertically disposed, the second rod 202 is located directly under the first rod 201, and at this time, all the second rods 202 are located in the same vertical plane. The second rod bodies 202 are equidistantly distributed along the length direction of the first rod body 201, that is, the distances between two adjacent second rod bodies 202 are equal.
The second rod 202 is provided with a first pin hole 2021, and the first pin hole 2021 is a through hole. The central axis of the first pin hole 2021 forms a certain angle with the length direction of the second rod body 202, that is, two openings of the first pin hole 2021 are located on the side surface of the second rod body 202. The central axis of the first pin hole 2021 is perpendicular to the length direction of the second rod body 202; specifically, when the second rod body 202 is vertically disposed, the first pin hole 2021 is horizontally disposed. The first pin bore 2021 may pass through a central axis of the second rod body 202.
The number of the first pin holes 2021 is two or more. The first pin holes 2021 are equally distributed along the length direction of the second rod body 202; the first pin holes 2021 are located in the same vertical plane, that is, the line connecting the openings of the first pin holes 2021 on the same side of the second rod body 202 is a straight line.
The fixing device 203 is sleeved outside the second rod body 202, the length direction of the fixing device 203 is perpendicular to the upper surface of the flat plate vehicle body 1, and the fixing device 203 is fixedly connected with the tail of the flat plate vehicle body 1. The holder 203 is open at both ends in the longitudinal direction. The length direction of the fixing device 203 is vertical, and the outer surface of the fixing device 203 is connected with the tail of the flat car body 1. The cross-sectional shape of the holder 203 is the same as the cross-sectional shape of the second rod 202, the size of the second rod 202 being slightly smaller than the size of the holder 203. The cross section, i.e., the cross section along the horizontal direction when the second rod 202, the holder 203 are disposed vertically. Specifically, the cross section of the holder 203 and the cross section of the second rod 202 may be circular. For example, the retainer 203 and the second rod 202 are both round steel pipes; at this time, the holder 203 is welded to the tail of the flat car body 1.
The distance between the top end of the retainer 203 and the upper surface of the tail of the scooter body is greater than or equal to the thickness of the first rod 201. The thickness of the first stick body 201 refers to the distance between the top surface and the bottom surface of the first stick body 201 when it is placed horizontally.
The retainer 203 is provided with a second pin hole 2031, and the second pin hole 2031 can be aligned with the first pin hole 2021. That is, the two openings of the second pin hole 2031 on the holder 203 coincide with the two openings of the corresponding first pin hole 2021 on the second rod body 202. The shape of the two openings of the second pin hole 2031 on the holder 203 may be the same as or different from the shape of the two openings of the first pin hole 2021 on the second rod body 202. The area of the two openings of the second pin hole 2031 on the holder 203 may be greater than, equal to, or smaller than the area of the two openings of the first pin hole 2021 on the second rod body 202. Specifically, the shape of the two openings of the second pin hole 2031 on the holder 203 is the same as the shape of the two openings of the first pin hole 2021 on the second rod body 202, and the aperture of the second pin hole 2031 is the same as the aperture of the first pin hole 2021. The first pin hole 2021 and the second pin hole 2031 may each be a circular hole.
The first pin hole 2021 or the second pin hole 2031 of the fixing pin 204 is matched. In use, retaining pin 204 passes through both first pin bore 2021 and second pin bore 2031, securing second rod body 202 together with retainer 203.
Examples
Four round steel pipes with the height of 600mm, the radius of 50mm and the wall thickness of 5mm are adopted as the second rod body 202, one round steel pipe with the length of 2000mm, the radius of 50mm and the wall thickness of 5mm is adopted as the first rod body 201, and a plurality of first pin holes 2021 are formed; the first rod 201 is horizontally arranged, the second rod 202 is arranged right below the first rod 201, and the top end of the second rod 202 is welded with the first rod 201. The first rod 201 is provided with a reflective warning tape.
The fixed bolt hole (the second bolt hole 2031) is arranged at the center of the side edge of the fixer 203, and the bottom of the fixer 203 is 8cm away from the bottom of the second rod body 202; the fixing device 203 and the rail car tail are welded on two sides, and the welding seam is firm and full and closely attached to the rail car without leaving a gap.
In the working state of the telescopic guardrail 2, the second rod body 202 extends upwards until the first pin hole 2021 coincides with the bolt hole (the second pin hole 2031) of the fixer 203, and the fixing pin 204 is inserted.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. A safe flatbed for subway shop rail, its characterized in that includes: a flat car body and a telescopic guardrail;
the telescopic guardrail comprises:
the first rod body is provided with a first connecting rod,
the length direction of the second rod body is perpendicular to the length direction of the first rod body, and one end of the second rod body is fixedly connected with the first rod body; the number of the second rod bodies is more than two, the more than two second rod bodies and the first rod body are positioned on the same plane, and the more than two second rod bodies are positioned on the same side of the first rod body; the second rod body is provided with a first pin hole, and the first pin hole is a through hole;
the fixer is sleeved outside the second rod body, the length direction of the fixer is vertical to the upper surface of the flat plate vehicle body and is fixedly connected with the tail part of the flat plate vehicle body; the fixer is provided with a second pin hole which is aligned with the first pin hole;
and the fixing pin is matched with the first pin hole or the second pin hole and penetrates through the first pin hole and the second pin hole.
2. The safety flatbed for subway rail laying of claim 1, wherein the number of the first pin holes is two or more.
3. The safety flatbed for subway rail laying according to claim 2, wherein the first pin holes are equidistantly distributed along the length direction of the second pole body, and the first pin holes are located in the same vertical plane.
4. A safety flatbed for subway rail laying as set forth in claim 3, wherein the first pin hole is horizontally provided.
5. The safety flat car for subway rail according to claim 4, wherein the aperture of the second pin hole is the same as the aperture of the first pin hole.
6. The safety flatbed for subway rail laying of claim 5, wherein the number of the second bars is four.
7. The security flatbed for subway rail laying of claim 6, wherein the second bars are equally distributed along the length direction of the first bars.
8. The safety flat car for subway rail laying according to claim 7, wherein the length of the first rod body is smaller than or equal to the width of the tail of the flat car body.
9. The safety flatbed for subway rail laying of claim 8, wherein the cross section of the second pole body is circular.
10. The safety flatbed for subway rail laying of claim 9, wherein the cross section of the holder is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321580597.2U CN220076361U (en) | 2023-06-20 | 2023-06-20 | Safety flat car for subway rail laying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321580597.2U CN220076361U (en) | 2023-06-20 | 2023-06-20 | Safety flat car for subway rail laying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220076361U true CN220076361U (en) | 2023-11-24 |
Family
ID=88817501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321580597.2U Active CN220076361U (en) | 2023-06-20 | 2023-06-20 | Safety flat car for subway rail laying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220076361U (en) |
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2023
- 2023-06-20 CN CN202321580597.2U patent/CN220076361U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |