CN219865151U - Drawing platform - Google Patents
Drawing platform Download PDFInfo
- Publication number
- CN219865151U CN219865151U CN202320977924.1U CN202320977924U CN219865151U CN 219865151 U CN219865151 U CN 219865151U CN 202320977924 U CN202320977924 U CN 202320977924U CN 219865151 U CN219865151 U CN 219865151U
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- Prior art keywords
- bracket
- pedal
- fixed
- drawing platform
- trailer
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- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Mechanical Control Devices (AREA)
Abstract
The utility model discloses a drawing platform which is arranged at the bottom of a rear matched trailer and comprises a left bracket, a right bracket, a pedal and a fixing bolt, wherein the left bracket and the right bracket are respectively fixed with the bottom of the rear matched trailer, the left bracket and the right bracket are respectively provided with a left sliding groove and a right sliding groove which extend forwards and backwards, the left side and the right side of the pedal are respectively in sliding fit with the left sliding groove and the right sliding groove, the pedal is provided with a plurality of positioning holes along the front and rear direction, the left bracket or the right bracket is provided with fixing holes which are arranged corresponding to the positioning holes, and the fixing bolt sequentially penetrates through the fixing holes and the positioning holes to be fixed. The pulling platform is simple in structure and reasonable in design, is arranged at the bottom end of the rear matched trailer frame, can be quickly pulled out or retracted by the foot pedals, is convenient for the inter-worker elevating operation, is convenient to use, effectively improves the efficiency, has an alarm function, avoids accidents when the foot pedals are not retracted, and is of a detachable design, so that the pulling platform is convenient to disassemble, replace and maintain.
Description
Technical Field
The utility model relates to the technical field of shield machines, in particular to a drawing platform.
Background
In the existing shield tunneling machine, the whole space of a tunnel is limited, the trailer space occupied by a rear matched refrigerating unit is large, moreover, the refrigerating unit is higher, when a technician wants to locally control the refrigerating unit, the technician can only carry an escalator or a bench to raise so as to operate, the working efficiency is greatly reduced, the carrying tool is complicated, and potential safety hazards such as collision exist.
In view of this, the present inventors invented a pull platform.
Disclosure of Invention
The utility model aims to provide a drawing platform arranged at the bottom end of a rear matched trailer frame, which is convenient for elevating operation, can be stored, is convenient to use and improves the efficiency.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a pull platform installs the bottom at the supporting trailer in back, includes left socle, right branch frame, running-board and fixed bolt, left socle, right branch frame are all fixed with the bottom of the supporting trailer in back, and left socle, right branch frame are equipped with left spout, the right spout that extends around respectively, the left and right sides of running-board respectively with left spout, right spout sliding fit, the running-board is equipped with a plurality of locating holes along fore-and-aft direction, left socle or right branch frame are equipped with the fixed orifices that corresponds the setting with the locating hole, fixed bolt passes fixed orifices and locating hole in proper order and fixes.
Further, the left chute is arranged on the right side of the left bracket, and one end of the left chute, facing the outer side of the rear matched trailer, is not closed.
Further, the top end of the left bracket extends towards the left side to form a left extension part, and the left extension part is fixed with the bottom of the rear matched trailer.
Further, the left and right brackets are respectively connected and fixed with the left and right connecting plates through bolts.
Further, the left bracket and the right bracket are arranged in bilateral symmetry.
Further, the positioning hole is positioned on the side face of the pedal, and the fixing hole is correspondingly positioned on the left side of the left bracket or the right side of the right bracket.
Further, the left bracket or the right bracket is provided with a proximity switch.
Further, the foot pedal is a grating plate.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
the pulling platform is simple in structure and reasonable in design, is arranged at the bottom end of the rear matched trailer frame, can be quickly pulled out or retracted by the foot pedals, is convenient for the inter-worker elevating operation, is convenient to use, effectively improves the efficiency, has an alarm function, avoids accidents when the foot pedals are not retracted, and is of a detachable design, so that the pulling platform is convenient to disassemble, replace and maintain.
Drawings
FIG. 1 is a schematic view of a pull platform mated with a trailer frame in accordance with an embodiment of the present utility model;
FIG. 2 is a drawing showing the foot pedal in a pulled-out state according to an embodiment of the present utility model;
FIG. 3 is a view showing a foot pedal in a retracted state according to an embodiment of the present utility model;
FIG. 4 is an exploded view of a drawing platform according to an embodiment of the present utility model;
fig. 5 is a right side view of a drawer platform according to an embodiment of the present utility model.
Reference numerals illustrate:
a frame of a 10-trailer, the frame being configured to be coupled to the frame of the trailer,
a 20-left bracket, which is arranged on the left side of the bracket,
21-left chute, 22-left extension, 23-left connection plate,
30-a right bracket, wherein the right bracket is provided with a plurality of left brackets,
31-right chute, 32-right extension, 33-right connection plate,
40-a foot pedal plate,
41-a positioning hole, wherein the positioning hole is provided with a plurality of positioning holes,
50-a fixing bolt is used for fixing the bolt,
60-proximity switch.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that, in the present utility model, terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element of the present utility model must have a specific orientation, and thus should not be construed as limiting the present utility model.
Examples
The utility model discloses a drawing platform which is mainly used for a rear matched structure of a shield machine and is specifically arranged at the bottom of a rear matched trailer (namely correspondingly positioned below a rear matched refrigerating unit) and used for raising technicians so that the technicians can locally control the rear matched refrigerating unit.
The drawing platform is arranged at the bottom of the rear matched trailer, the rear matched refrigerating unit is arranged on the rear matched trailer, and the drawing platform is correspondingly positioned below the refrigerating unit. The left bracket 20 and the right bracket 30 are fixed with the bottom of a rear matched trailer, the left bracket 20 and the right bracket 30 are respectively provided with a left chute 21 and a right chute 31 which extend front and back, the left side and the right side of the pedal 40 are respectively in sliding fit with the left chute 21 and the right chute 31, the pedal 40 is provided with a plurality of positioning holes 41 along the front and back direction, the left bracket 20 or the right bracket 30 is provided with a fixing hole which is correspondingly arranged with the positioning hole 41, and the fixing bolt 50 sequentially passes through the fixing hole and the positioning hole 41 to be fixed.
The foot rest 40 is connected with the bottom of the rear matched trailer through the left bracket 20 and the right bracket 30, and is particularly connected and fixed with the bottom end of the trailer frame 10. The left support 20 and the right support 30 are both positioned at the bottom end of the trailer frame 10, the foot pedal 40 is in sliding fit with the left support 20 and the right support 30 through the left sliding groove 21 and the right sliding groove 31, namely, the foot pedal 40 can slide back and forth relative to the left support 20 and the right support 30, when the foot pedal 40 slides towards the front end, the foot pedal 40 is pulled out of the trailer frame 10 towards the outside, a technician can stand on the foot pedal 40 to carry out heightening operation, when the foot pedal 40 slides towards the rear end, the foot pedal 40 correspondingly retracts towards the inside of the trailer frame 10, storage of the foot pedal 40 is completed, and subsequent battery cars or staff are prevented from colliding with the foot pedal 40.
The fixing latch 50 is used for fixing the foot board 40. Specifically, a plurality of positioning holes 41 are provided in the front-rear direction (sliding direction of the pedal 40) of the pedal 40, one or more fixing holes corresponding to the positioning holes 41 are provided in the left bracket 20 or the right bracket 30, in this embodiment, one fixing hole is provided, and the fixing holes are provided at a position near the front end of the left bracket 20 or the right bracket 30, the pedal 40 is pulled out toward the front end, one of the positioning holes 41 (near the middle rear end of the pedal 40) is aligned with the fixing hole, the fixing bolt 50 is sequentially inserted into the fixing hole and the positioning hole 41 to realize the connection and fixation of the pedal 40 and the left bracket 20 or the right bracket 30, the pedal 40 is prevented from shaking, and when the pedal 40 is retracted toward the rear end, the other positioning hole 41 (near the front end of the pedal 40) is aligned with the fixing hole, and the fixing bolt 50 is inserted into the fixing hole and the positioning hole 41 again to realize the fixation of the pedal 40.
In this embodiment, the positioning hole 41 is located on the side of the foot rest 40, and the fixing hole is correspondingly located on the left side of the left bracket 20 or the right side of the right bracket 30. Specifically, the number of the fixing holes is one, the number of the positioning holes 41 is three at the front end of the left bracket 20 or the right bracket 30, one is at the front end of the pedal 40, two are at the middle of the pedal 40, so that the pedal 40 can only be pulled out until the positioning holes 41 at the middle of the pedal 40 are aligned with the fixing holes, at the moment, the pedal 40 is approximately half suspended (the other half is matched with the left chute 21 and the right chute 31 correspondingly), the pedal 40 is more stable, and the staff can step on the pedal 40 more safely.
The positioning holes 41 and the fixing holes are specifically provided with two types: the positioning hole 41 is located on the left side of the foot rest 40, and the fixing hole is correspondingly located on the left side of the left bracket 20, or the positioning hole 41 is located on the right side of the foot rest 40, and the fixing hole is correspondingly located on the right side of the right bracket 30, so that the fixing bolt 50 can be conveniently operated (inserted or pulled out) by a worker. In addition, the positioning hole 41 can be designed deeper, and the fixing bolt 50 is correspondingly long, so that the foot rest 40 is fixed more firmly through the fixing bolt 50. The fixing bolt 50 is designed to be L-shaped, so that the operation of a worker is facilitated, and meanwhile, the limiting effect is achieved, and the fixing bolt 50 is prevented from being completely immersed into the positioning hole 41 to be separated from the left bracket 20 or the right bracket 30.
In this embodiment, the left bracket 20 and the right bracket 30 are symmetrically arranged. Specifically, the left chute 21 is disposed on the right side of the left bracket 20, and one end of the left chute 21 facing the outside of the rear trailer is not closed. Correspondingly, the right chute 31 is disposed on the left side of the right bracket 30, and one end of the right chute 31 facing the outside of the rear trailer is not closed, and one ends of the left chute 21 and the right chute 31 facing the outside of the rear trailer, that is, the front ends of the left chute 21 and the right chute 31, the foot rest 40 is pulled out through the non-closed port. Furthermore, the rear ends of the left chute 21 and the right chute 31 are closed ends, and when the pedal 40 slides in the left chute 21 and the right chute 31, the left side and the right side of the pedal 40 are limited (the left side and the right side of the pedal 40 are correspondingly matched with the left bracket 20 and the right bracket 30), and the pedal 40 is stably positioned by fixing the fixing bolt 50, so that safety can be ensured; when the sliding bottom is retracted towards the rear end, the sliding bottom (when the sliding bottom collides with the closed ends of the rear ends of the left sliding chute 21 and the right sliding chute 31) is retracted to the right position, and the sliding bottom can be positioned and fixed again through the fixing bolt 50.
Specifically, the top end of the left bracket 20 extends to the left side and is provided with a left extension portion 22, and the left extension portion 22 is fixed with the bottom of the rear mating trailer. Correspondingly, the top end of the right bracket 30 extends towards the right side to form a right extension part 32, and the right extension part 32 is fixed with the bottom of the rear matched trailer. The left extension part 22 and the right extension part 32 are fixed with the rear matched trailer, and particularly for detachable fixation, the disassembly and the assembly of workers are convenient.
In the embodiment, as shown in fig. 1 to 5, the drawing platform comprises a left connecting plate 23 and a right connecting plate 33 welded at the bottom of the rear matched trailer, and the left bracket 20 and the right bracket 30 are respectively connected and fixed with the left connecting plate 23 and the right connecting plate 33 through bolts. Specifically, the top surfaces of the left connecting plate 23 and the right connecting plate 33 are welded and fixed with the bottom end of the trailer frame 10, the left connecting plate 23 and the right connecting plate 33 are respectively provided with a fixing screw hole, corresponding to the fixing screw holes on the left connecting plate 23 and the right connecting plate 33, the left extending part 22 and the right extending part 32 are respectively provided with a connecting screw hole, bolts sequentially penetrate through the connecting screw holes and the fixing screw holes from the lower part and are locked, the connection and fixation of the left extending part 22 and the right extending part 32 with the left connecting plate 23 and the right connecting plate 33 are realized, and the fixation of the whole drawing platform is further realized. The detachable fixing of the drawing platform is realized through the left extension part 22 and the right extension part 32, and the assembly and disassembly of the working personnel are convenient.
In this embodiment, the foot rest 40 is a grating plate. The grid plate is a steel product with square grids in the middle by using flat steel and cross bars which are arranged in a crossing way according to a certain interval and welding the flat steel into the steel product by a press welder or manually. The grid plate is used as the pedal plate 40, the strength of the pedal plate meets the use requirement, the weight of the pedal plate is lighter, and the pedal plate has an anti-skid function.
In this embodiment, the left bracket 20 or the right bracket 30 is provided with a proximity switch 60. The proximity switch 60 is connected with an upper computer and an alarm, the proximity switch 60 is used for detecting the state of the pedal 40, when the pedal 40 is in a pulled-out state, the alarm can give out continuous alarm, when the pedal 40 is in a retracted state, the alarm does not give out alarm, so that the accident that a worker or a battery car collides with the pedal 40 when the worker forgets to retract the pedal 40 can be avoided. Specifically, the proximity switch 60 is disposed at a position near the front end of the bottom end of the right bracket 30, the bottom end of the foot pedal 40 is provided with a steel bar (not shown in the figure) extending back and forth corresponding to the proximity switch 60, and the front end of the steel bar is provided with a detection through hole (the detection through hole corresponds to a grid of a grid plate), when the foot pedal 40 is in a retracted state (the rear end of the foot pedal 40 collides with the closed rear ends of the left chute 21 and the right chute 31), the detection through hole of the steel bar corresponds to the proximity switch 60, and the alarm does not alarm at this time; when the proximity switch 60 does not correspond to the detection through hole, the alarm continuously alarms, reminding the staff to retract the foot pedal 40. Of course, the proximity switch 60 may be installed and used in other ways, as long as the alarm can be given to the operator when the foot pedal 40 is in the pulled-out state, and the present utility model is not limited thereto.
The use process of the drawing platform is as follows: when the pedal is required to be used, the fixing bolt 50 is pulled out, the pedal 40 is pulled out to align the positioning hole 41 in the middle of the pedal 40 with the fixing hole, then the fixing bolt 50 is inserted into the fixing hole and the positioning hole 41 to realize fixation, a worker can step on the pedal 40 to operate after the fixation, and the alarm can continuously alarm at the moment; after the use is completed, the fixing bolt 50 is pulled out, the pedal 40 is pushed to the bottom towards the rear end to be retracted, the positioning hole 41 at the front end of the pedal 40 is aligned with the fixing hole, the detection through hole of the steel bar is aligned with the proximity switch 60, the alarm does not alarm, and the fixing bolt 50 is inserted into the fixing hole and the positioning hole 41 to be fixed.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a pull platform which characterized in that: install the bottom at the supporting trailer in back, including left socle, right branch frame, running-board and fixed bolt, left socle, right branch frame are all fixed with the bottom of the supporting trailer in back, and left socle, right branch frame are equipped with left spout, the right spout that extends around respectively, the left and right sides of running-board respectively with left spout, right spout sliding fit, the running-board is equipped with a plurality of locating holes along the fore-and-aft direction, left socle or right branch frame are equipped with the fixed orifices that corresponds the setting with the locating hole, fixed bolt passes fixed orifices and locating hole in proper order and fixes.
2. A drawing platform as claimed in claim 1, wherein: the left sliding groove is arranged on the right side of the left bracket, and one end of the left sliding groove, facing the outer side of the rear matched trailer, is not closed.
3. A drawing platform as claimed in claim 2, wherein: the top of left socle extends towards the left side and is equipped with left extension, left extension is fixed with the bottom of back supporting trailer.
4. A drawing platform as claimed in claim 1, wherein: the left support and the right support are respectively connected and fixed with the left connecting plate and the right connecting plate through bolts.
5. A drawing platform according to any one of claims 1 to 4, characterized in that: the left support and the right support are arranged in bilateral symmetry.
6. A drawing platform as claimed in claim 1, wherein: the locating holes are located on the side face of the pedal, and the fixing holes are correspondingly located on the left side of the left bracket or the right side of the right bracket.
7. A drawing platform as claimed in claim 1, wherein: the left bracket or the right bracket is provided with a proximity switch.
8. A drawing platform as claimed in claim 1, wherein: the foot pedal is a grating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320977924.1U CN219865151U (en) | 2023-04-26 | 2023-04-26 | Drawing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320977924.1U CN219865151U (en) | 2023-04-26 | 2023-04-26 | Drawing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865151U true CN219865151U (en) | 2023-10-20 |
Family
ID=88316727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320977924.1U Active CN219865151U (en) | 2023-04-26 | 2023-04-26 | Drawing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865151U (en) |
-
2023
- 2023-04-26 CN CN202320977924.1U patent/CN219865151U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |