CN214456660U - Subway vehicle overhauls with preventing stepping on empty elevating gear - Google Patents
Subway vehicle overhauls with preventing stepping on empty elevating gear Download PDFInfo
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- CN214456660U CN214456660U CN202120657130.8U CN202120657130U CN214456660U CN 214456660 U CN214456660 U CN 214456660U CN 202120657130 U CN202120657130 U CN 202120657130U CN 214456660 U CN214456660 U CN 214456660U
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Abstract
The utility model discloses a subway vehicle overhauls with preventing stepping on empty elevating gear, comprising a base plate, the middle part front and back end on the left and right sides of the middle part on the top of bottom plate and the middle part front and back end on the left and right sides of the bottom of workstation all are provided with the spout, the anterior left and right sides in top of bottom plate all with the bottom outside end fixed connection of first scissor arm, the left and right sides at the top rear portion of bottom plate all with the bottom outside end fixed connection of second scissor arm. The utility model discloses in, drive the threaded rod through servo motor and rotate, let first movable block and second movable block motion dorsad, cut the yoke through first fork arm and second and prop up the workstation, reach suitable high back, rethread first hydraulic stem and second hydraulic stem, pull out first grating board and second grating board from the workstation, increase the movable area of workstation and fill the clearance between workstation to the maintenance vehicle, prevent that maintainer from stepping on empty falling, be worth wideling popularize.
Description
Technical Field
The utility model relates to a elevating gear technical field especially relates to a subway vehicle overhauls with preventing stepping on empty elevating gear.
Background
The lifting device is a multifunctional hoisting loading and unloading mechanical device, which can be divided into a fixed type and a movable type, wherein the movable type comprises a straight arm type, a crank arm type, a scissor fork type, a mast type, an aluminum alloy lifting platform and a sleeve cylinder type, and the fixed type comprises a scissor fork type, a guide rail type lifting platform, a chain type lifting platform, a loading and unloading platform, an attached type electric construction platform and the like.
The lifting device for most of the existing subway vehicle overhauling has a certain gap between the working table top and the overhauling subway vehicle when in use, so that the overhauling personnel easily steps on the air and falls into danger.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a subway vehicle overhauls with preventing stepping on empty elevating gear.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a stepping-on-and-empty-preventing lifting device for overhauling a metro vehicle comprises a bottom plate, wherein sliding grooves are formed in the front and rear ends of the middle of the left and right sides of the top end of the bottom plate and the front and rear ends of the middle of the left and right sides of the bottom end of a workbench, the left and right sides of the front portion of the top end of the bottom plate are fixedly connected with the outer side end of the bottom end of a first shearing fork arm, the left and right sides of the rear portion of the top end of the bottom plate are fixedly connected with the outer side end of the bottom end of a second shearing fork arm, the left and right sides of the front portion of the bottom end of the workbench are fixedly connected with an end plate, the outer middle of the end plate at the front end is fixedly connected with a servo motor, a threaded rod is rotatably connected between the end plates, and the front end of the threaded rod penetrates through the end plates and is fixedly connected with the rotating shaft of the servo motor, the front end and the rear end of the middle part of the threaded rod are both connected with the middle parts of the first movable block and the second movable block through threads, two ends of the first movable block and the second movable block are respectively and rotatably connected between the inner side ends of the lower parts of the first scissor arm and the second scissor arm, a hollow layer is arranged in the middle of the workbench, a first grid plate is connected to the left side of the hollow layer in a sliding manner, the right side of the hollow layer is connected with a second grid plate in a sliding way, the first grid plate is clamped with the second grid plate, the left sides of the front end and the rear end of the workbench are fixedly connected with one side of the cylinder body of the first hydraulic rod, the front end of the rod body of the first hydraulic rod is fixedly connected with the left ends of the front side and the rear side of the first grid plate through a connecting block, the right sides of the front end and the rear end of the workbench are fixedly connected to one side of the cylinder body of the second hydraulic rod, and the front end of the rod body of the second hydraulic rod is fixedly connected with the right ends of the front side and the rear side of the second grid plate through connecting blocks.
As a further description of the above technical solution:
four corners of the bottom plate are provided with universal wheels with locks.
As a further description of the above technical solution:
the thread directions of the two ends of the threaded rod are opposite.
As a further description of the above technical solution:
the front end and the rear end of the top of the workbench are fixedly connected with the bottom side of the second fence.
As a further description of the above technical solution:
the outer side of the first grid plate and the outer side of the second grid plate are fixedly connected with the lower side of the first fence.
As a further description of the above technical solution:
the sliding grooves in the bottom plate are respectively connected with one ends of the first scissor arm and the second scissor arm which are adjacent to the lower portions of the first scissor arm and the second scissor arm in a sliding mode.
As a further description of the above technical solution:
and the sliding chutes on the workbench are respectively in sliding connection with the adjacent ends of the upper parts of the corresponding first scissor arm and the second scissor arm.
As a further description of the above technical solution:
the front and back ends on the left and right sides of the workbench are provided with notches.
The utility model discloses following beneficial effect has:
the utility model discloses in, it is at first other with the position that elevating gear promoted the railcar needs to overhaul, it dies to take the lock universal wheel lock again, then the maintainer enters into on the workstation, it rotates to drive the threaded rod through servo motor, make first movable block and second movable block move dorsad on the threaded rod, and drive the adjacent one end in lower part of first scissors arm and second scissors arm respectively and move to the outer end simultaneously, make the workstation supported and raise, reach suitable high back, rethread first hydraulic stem and second hydraulic stem, pull out first grating plate and second grating plate from the workstation, increase the movable area of workstation and fill the workstation and to the clearance between the maintenance vehicle, prevent that the maintainer from stepping on empty to fall, be worth wideling popularize.
Drawings
FIG. 1 is an overall structure view of a stepping-on and idling prevention lifting device for overhauling a subway vehicle, which is provided by the utility model;
fig. 2 is a bottom view structural diagram of the anti-empty-stepping lifting device for overhauling the subway vehicle, which is provided by the utility model;
fig. 3 is a schematic view of an extending structure of the anti-empty-stepping lifting device for overhauling the subway vehicle provided by the utility model;
fig. 4 is the utility model provides a subway vehicle overhauls with preventing stepping on empty elevating gear's split structure sketch map.
Illustration of the drawings:
1. a base plate; 2. a work table; 3. a first scissor arm; 4. a second scissor arm; 5. a servo motor; 6. a first hydraulic lever; 7. a second hydraulic rod; 8. a chute; 9. an end plate; 10. connecting blocks; 11. universal wheels with locks; 12. a first grid plate; 13. a second grid plate; 14. a first fence; 15. a second fence; 16. a notch; 17. a hollowed-out layer; 18. a threaded rod; 19. a first movable block; 20. and a second movable block.
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 the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a stepping-on-empty prevention lifting device for overhauling a metro vehicle comprises a bottom plate 1, wherein the front and rear ends of the middle part of the left and right sides of the top end of the bottom plate 1 and the front and rear ends of the middle part of the left and right sides of the bottom end of a workbench 2 are respectively provided with a sliding chute 8, the left and right sides of the front part of the top end of the bottom plate 1 are respectively fixedly connected with the outer side end of the bottom of a first scissor arm 3, the left and right sides of the rear part of the top end of the bottom plate 1 are respectively fixedly connected with the outer side end of the bottom of a second scissor arm 4, the left and right sides of the front part of the bottom end of the workbench 2 are respectively fixedly connected with the outer side end of the top end of the second scissor arm 4, the front and rear parts of the top end of the bottom plate 1 are respectively fixedly connected with an end plate 9, the middle part of the outer side of the end plate 9 at the front end is fixedly connected with a servo motor 5, a middle threaded rod 18 is rotatably connected between the end rods 9, and the front end of the threaded rod 18 penetrates through the end plate 9 and is fixedly connected with the rotating shaft of the servo motor 5, the front end and the rear end of the middle part of the threaded rod 18 are both in threaded connection with the middle parts of the first movable block 19 and the second movable block 20, the two ends of the first movable block 19 and the second movable block 20 are respectively connected between the inner side ends of the lower parts of the first scissor arm 3 and the second scissor arm 4 in a rotating manner, the middle part of the workbench 2 is provided with a hollow layer 17, the left side of the hollow layer 17 is connected with a first grid plate 12 in a sliding manner, the right side of the hollow layer 17 is connected with a second grid plate 13 in a sliding manner, the first grid plate 12 is clamped with the second grid plate 13, the left side of the front end and the rear end of the workbench 2 are both fixedly connected to one side of a cylinder body of the first hydraulic rod 6, the front end of the rod body of the first hydraulic rod 6 is both fixedly connected with the left end of the front side and the rear side of the first grid plate 12 through a connecting block 10, the right side of the front end and the rear end of the workbench 2 are both fixedly connected to one side of the cylinder body of the second hydraulic rod 7 through a connecting block 10, firstly, the lifting device is pushed to the position where the subway vehicle needs to be overhauled, then the universal wheel 11 with the lock is locked, then an overhaul worker enters the workbench 2, the threaded rod 18 is driven to rotate through the servo motor 5, the first movable block 19 and the second movable block 20 move backwards on the threaded rod 18 and respectively drive the adjacent ends of the lower parts of the first scissor arm 3 and the second scissor arm 4 to move outwards at the same time, the workbench 2 is supported and lifted, after the proper height is reached, the first hydraulic rod 6 and the second hydraulic rod 7 are used for pulling out the first grid plate 12 and the second grid plate 13 from the workbench 2, the movable area of the workbench 2 is increased, the gap between the workbench 2 and the overhaul vehicle is filled, and the overhaul worker is prevented from falling off.
Four corners in bottom of bottom plate 1 all are provided with area lock universal wheel 11, the screw thread opposite direction at threaded rod 18 both ends, the top front and back end of workstation 2 all with the bottom side fixed connection of second rail 15, the outside of first grid plate 12 and the outside of second grid plate 13 all with the downside fixed connection of first rail 14, spout 8 on the bottom plate 1 respectively with the adjacent one end sliding connection in the lower part of the first scissors arm 3 that corresponds and second scissors arm 4, spout 8 on the workstation 2 respectively with the adjacent one end sliding connection in the upper portion of the first scissors arm 3 that corresponds and second scissors arm 4, the front and back end on the left and right sides of workstation 2 all is provided with notch 16.
The working principle is as follows: firstly, the lifting device is pushed to the position where the subway vehicle needs to be overhauled, then the universal wheel 11 with the lock is locked, then an overhaul worker enters the workbench 2, the threaded rod 18 is driven to rotate through the servo motor 5, the first movable block 19 and the second movable block 20 move backwards on the threaded rod 18 and respectively drive the adjacent ends of the lower parts of the first scissor arm 3 and the second scissor arm 4 to move outwards at the same time, the workbench 2 is supported and lifted, after the proper height is reached, the first hydraulic rod 6 and the second hydraulic rod 7 are used for pulling out the first grid plate 12 and the second grid plate 13 from the workbench 2, the movable area of the workbench 2 is increased, the gap between the workbench 2 and the overhaul vehicle is filled, and the overhaul worker is prevented from falling off.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a subway vehicle overhauls with preventing stepping on empty elevating gear, includes bottom plate (1), its characterized in that: the utility model discloses a shear arm, including bottom plate (1), bottom plate (2), bottom left and right sides, bottom front and back end all are provided with spout (8) around the middle part on the left and right sides in the top of bottom plate (1) and the bottom left and right sides of workstation (2), the anterior left and right sides in the top of bottom plate (1) all with the bottom outside end fixed connection of first shear fork arm (3), the left and right sides at the top rear portion of bottom plate (1) all with the bottom outside end fixed connection of second shear fork arm (4), the anterior left and right sides in the bottom of workstation (2) all with the top outside end fixed connection of second shear fork arm (4), the equal fixedly connected with in the outside middle part of end plate (9) of bottom plate (1) and the end of end plate (9) of front end has servo motor (5), middle part between end plate (9) rotates the front end that is connected with threaded rod (18) and runs through end plate (9) The front end and the rear end of the middle of the threaded rod (18) are both in threaded connection with the middle of a first movable block (19) and a second movable block (20), the two ends of the first movable block (19) and the second movable block (20) are respectively and rotatably connected between the inner side ends of the lower parts of a first scissor arm (3) and a second scissor arm (4), the middle of the workbench (2) is provided with a hollowed layer (17), the left side of the hollowed layer (17) is in sliding connection with a first grid plate (12), the right side of the hollowed layer (17) is in sliding connection with a second grid plate (13), the first grid plate (12) is clamped with the second grid plate (13), the left side of the front end and the rear end of the workbench (2) are both fixedly connected to one side of a cylinder body of a first hydraulic rod (6), and the front end of a rod body of the first hydraulic rod (6) is both fixedly connected with the left end of the front side and the rear side of the first grid plate (12) through a connecting block (10), the right sides of the front end and the rear end of the workbench (2) are fixedly connected to one side of a cylinder body of the second hydraulic rod (7), and the front end of a rod body of the second hydraulic rod (7) is fixedly connected with the right ends of the front side and the rear side of the second grid plate (13) through a connecting block (10).
2. The anti-step-down elevating device for overhauling a subway vehicle as claimed in claim 1, wherein: four corners of the bottom end of the bottom plate (1) are provided with universal wheels (11) with locks.
3. The anti-step-down elevating device for overhauling a subway vehicle as claimed in claim 1, wherein: the thread directions of the two ends of the threaded rod (18) are opposite.
4. The anti-step-down elevating device for overhauling a subway vehicle as claimed in claim 1, wherein: the front end and the rear end of the top of the workbench (2) are fixedly connected with the bottom side of the second fence (15).
5. The anti-step-down elevating device for overhauling a subway vehicle as claimed in claim 1, wherein: the outer side of the first grid plate (12) and the outer side of the second grid plate (13) are fixedly connected with the lower side of the first fence (14).
6. The anti-step-down elevating device for overhauling a subway vehicle as claimed in claim 1, wherein: and the sliding grooves (8) on the bottom plate (1) are respectively in sliding connection with the adjacent ends of the lower parts of the corresponding first scissor arm (3) and the second scissor arm (4).
7. The anti-step-down elevating device for overhauling a subway vehicle as claimed in claim 1, wherein: and the sliding chute (8) on the workbench (2) is respectively in sliding connection with one adjacent end of the upper parts of the corresponding first scissor arm (3) and the second scissor arm (4).
8. The anti-step-down elevating device for overhauling a subway vehicle as claimed in claim 1, wherein: the front end and the rear end of the left side and the right side of the workbench (2) are provided with notches (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120657130.8U CN214456660U (en) | 2021-03-31 | 2021-03-31 | Subway vehicle overhauls with preventing stepping on empty elevating gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120657130.8U CN214456660U (en) | 2021-03-31 | 2021-03-31 | Subway vehicle overhauls with preventing stepping on empty elevating gear |
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| Publication Number | Publication Date |
|---|---|
| CN214456660U true CN214456660U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120657130.8U Active CN214456660U (en) | 2021-03-31 | 2021-03-31 | Subway vehicle overhauls with preventing stepping on empty elevating gear |
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| CN (1) | CN214456660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114835060A (en) * | 2022-03-23 | 2022-08-02 | 浙江日鼎涂装科技有限公司 | Stroke-adjustable high-speed stable elevator |
-
2021
- 2021-03-31 CN CN202120657130.8U patent/CN214456660U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114835060A (en) * | 2022-03-23 | 2022-08-02 | 浙江日鼎涂装科技有限公司 | Stroke-adjustable high-speed stable elevator |
| CN114835060B (en) * | 2022-03-23 | 2024-04-02 | 浙江日鼎涂装科技有限公司 | Stroke-adjustable high-speed stable elevator |
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