CN210944755U - Escalator with lifting function - Google Patents
Escalator with lifting function Download PDFInfo
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- CN210944755U CN210944755U CN201921934869.8U CN201921934869U CN210944755U CN 210944755 U CN210944755 U CN 210944755U CN 201921934869 U CN201921934869 U CN 201921934869U CN 210944755 U CN210944755 U CN 210944755U
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- hinged
- escalator
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Abstract
The utility model relates to a raising and lowering functions staircase, include: moving the base; the lifting platform is arranged above the moving base; the lifting device is arranged between the lifting platform and the mobile base; the telescopic ladder stand is provided with two second shear type connecting rods which are symmetrically arranged, each second shear type connecting rod is provided with a plurality of shear type connecting rod units, a step piece is arranged between the corresponding shear type connecting rod units in the two second shear type connecting rods, the end parts of the two adjacent shear type connecting rod units are hinged with each other, and each shear type connecting rod unit is provided with two connecting rods with the middle parts hinged with each other; the telescopic ladder stand is simple in structure and convenient to produce and maintain.
Description
Technical Field
The utility model belongs to the technical field of the staircase, concretely relates to raising and lowering functions staircase.
Background
The movable stair platform is quite widely applied, is used for manufacturing, assembling, maintaining, cleaning, maintaining, temporarily constructing and the like in scenes such as industrial plants, public places, families and the like, and is an essential common ascending apparatus. At present, all moving platforms are of welded structures and are fixed in height. In actual use, the heights needing to be operated or the heights needing to be passed by climbing are different, and a plurality of fixed stair platforms with different heights need to be prepared in the same working area for selective use to meet the use conditions of different heights. Under special conditions, when the height of the stair platform is limited by the height of the passage, and the width of the passage can meet the requirement that the stair platform passes through the passage in the lateral direction, the stair platform needs to be manually laid down and then lifted to pass through a position with a height obstacle; the short stair platform without height limitation can pass through the device and can not reach the requirement of the use height, and only the heightening device is additionally arranged on the platform. Not only consumes manpower, but also does not meet the requirement of safe operation. Low to the requirement of not reaching the use height and high to the limit of the channel height. Especially, the movable storage rack is difficult to move, inconvenient to store, space-occupying and not beneficial to field management under the condition of bad road surface.
Among the prior art, chinese utility model patent with application number CN201821486197.4 discloses a remove lift stair platform, connects base and platform body through elevating gear, has set up the stair subassembly of marking time, can pedal and come and go from top to bottom through marking time, with ground and the platform that satisfies the operating height needs or the platform height that satisfies the passage of ascending a height and form continuous channel, but its stair subassembly structure of marking time is complicated, and production, maintenance are higher.
Need improve stair marking time subassembly, design a simple structure, the lift function staircase of being convenient for production, maintenance.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides a simple structure, the raising and lowering functions staircase of being convenient for produce, maintain.
The technical scheme of the utility model is that: lift function staircase includes: moving the base; the lifting platform is arranged above the moving base; the lifting device is arranged between the lifting platform and the mobile base; the telescopic ladder stand is characterized in that one end of the telescopic ladder stand is hinged to the top of the movable base, the other end of the telescopic ladder stand is hinged to the bottom of the lifting platform, the telescopic ladder stand is symmetrically provided with two second shear type connecting rods, the second shear type connecting rods are provided with a plurality of shear type connecting rod units, two corresponding to the second shear type connecting rods, a step piece is arranged between the shear type connecting rod units, the two adjacent shear type connecting rod units are hinged to each other at the ends, and the shear type connecting rod units are provided with two connecting rods, the middle parts of which are hinged to each other.
The stepping piece is a stepping rod, and the middle parts of two connecting rods in the scissors connecting rod unit are hinged to the end part of the stepping rod.
The step piece is a step plate, the middle parts of two connecting rods in the scissor type connecting rod units are hinged to two sides of the step plate, a third scissor type connecting rod which corresponds to the inner side of the step plate and is identical to the second scissor type connecting rod is arranged on the inner side of the telescopic ladder stand, and the front end of the step plate is hinged to the third scissor type connecting rod in a matched mode.
The lifting device is provided with two first scissors-type connecting rods symmetrically arranged at the top of the movable base, one upper end of each first scissors-type connecting rod is hinged with the bottom of the lifting platform, the other upper end of each first scissors-type connecting rod is connected with the bottom of the lifting platform in a sliding mode, one lower end of each first scissors-type connecting rod is hinged with the movable base, and the other lower end of each first scissors-type connecting rod is provided with a lead screw nut adjusting mechanism used for adjusting the distance between the two lower ends of each first scissors-type connecting rod.
The screw rod nut adjusting mechanism is provided with a screw rod rotatably arranged at the top of the movable base, the screw rod is in threaded connection with an adjusting rod, sliding grooves corresponding to the lower end portions of the first shear type connecting rods are formed in two sides of the movable base, guide holes are formed in the side walls of the sliding grooves, and the end portions of the adjusting rod penetrate through the guide holes and are fixedly connected with the lower end portions of the first shear type connecting rods.
And a hand wheel is arranged at one end of the lead screw, and a motor driven by the lead screw is arranged at one end of the lead screw, which is far away from the hand wheel.
And a lower pulley is arranged at the lower end part of the first shear type connecting rod, which is close to the adjusting rod, and the lower pulley is in contact with the bottom of the sliding groove.
An upper pulley is arranged on the upper end part of the first scissor type connecting rod mechanism, which is in sliding connection with the bottom of the lifting platform, and the upper pulley is in contact with the bottom of the lifting platform.
One side of the lifting platform, which is close to the telescopic ladder stand, is provided with a handrail, and the handrail is of a circular arc-shaped rod body structure.
The bottom of moving the base evenly is provided with the universal wheel, the bottom of moving the base is provided with the fixed pulley between two parties.
The utility model has the advantages that:
(1) the telescopic crawling ladder comprises a main body through two shear type connecting rods and a stepping piece, and is simple in structure and convenient to produce and maintain;
(2) the telescopic ladder stand can be uniformly telescopic according to the lifting of the lifting platform, the distance between two adjacent stepping pieces is linearly adjusted, and a passage from the ground to the lifting platform is formed by the stepping pieces which are uniformly distributed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 1.
Fig. 4 is a schematic structural view of the middle mobile base of the present invention.
Detailed Description
The utility model discloses a raising and lowering functions staircase, flexible cat ladder cut the formula connecting rod through two and mark time a constitution main part, just seem comparing with current, simple structure, the production of being convenient for, maintain. The following describes the embodiments of the present invention with reference to the drawings and examples.
As shown in fig. 1, the escalator with an elevating function comprises: the moving base 2 is used for supporting the lifting function escalator and can drive the supporting lifting function escalator to move; the lifting platform 1 is arranged above the moving base 2, the lifting platform 1 is used for a user to stand, the lifting platform 1 is provided with a fence 101 arranged at the top of the lifting platform, one side of the fence 101 is open, and a door fence 101 is rotatably arranged at the open; the lifting device 3 is arranged between the lifting platform 1 and the movable base 2, and the lifting device 3 is used for adjusting the height of the lifting platform 1; the telescopic ladder stand 4 is provided with two second scissor type connecting rods 401 symmetrically, each second scissor type connecting rod 401 is provided with a plurality of scissor type connecting rod units, a step piece is arranged between the corresponding scissor type connecting rod units in the two second scissor type connecting rods 401, the end parts of the two adjacent scissor type connecting rod units are hinged with each other through a connecting pin 407, each scissor type connecting rod unit is provided with two connecting rods 408 with the middle parts hinged with each other, and the connecting rods 408 are hinged with each other through a connecting shaft 406; the lifting device 3 stretches and contracts to push the lifting platform to ascend and descend, the second scissor-type connecting rods 401 stretch and contract under the pulling and pushing of the lifting platform 1, the gaps between adjacent stepping pieces are increased and shortened, the telescopic ladder stand 4 can uniformly stretch according to the lifting of the lifting platform 1, the distance between the two adjacent stepping pieces is linearly adjusted, a passage from the ground to the lifting platform 1 is formed through the uniformly distributed stepping pieces, and the telescopic ladder stand 4 forms a main body through the two second scissor-type connecting rods 401 and the stepping pieces; further, the connecting rod 408 is an "S" shaped rod structure.
As an embodiment of the telescopic ladder stand 4, the step member is a step bar 402, the step bar 402 is a cylindrical bar structure, in order to increase the friction force on the surface thereof, anti-slip convex strips or anti-slip grooves may be provided on the outer side thereof, the middle parts of two connecting rods 408 in the scissors-type connecting rod unit are hinged to a connecting shaft 406, the connecting shaft 406 is fixedly provided at the end of the step bar 402, and specifically, the end of the connecting shaft 406 and the end of the step bar 402 are welded into an integral structure.
As another embodiment of the telescopic ladder stand 4, as shown in fig. 2, the step member is a step plate 409, the middle parts of two connecting rods 408 in the scissor type connecting rod unit are hinged to connecting shafts 406, the two connecting shafts 406 are respectively and fixedly arranged at the left and right sides of the step plate 409, the inner side of the telescopic ladder stand 4 is provided with third scissor type connecting rods 404 corresponding to the inner side of the step plate 409 and identical to the second scissor type connecting rods 401, the front end of the step plate 409 is provided with a U-shaped connecting groove plate 403 which is integrally structured with the step plate 409, the third scissor type connecting rods 404 are positioned in the grooves of the connecting groove plate 403, the connecting groove plates 403 are fixedly connected with the corresponding connecting shafts in the third scissor type connecting rods 404, the front end of the step plate 409 is supported by the third scissor type connecting rods 404, the stability of the step plate 409 is improved, and the second scissor type connecting rods 401 and the third scissor type connecting rods 404 are completely identical and parallel, and are synchronously telescopic under the driving of, the step plate 409 can be ensured to be horizontal; the embodiment of the telescopic ladder stand 4 is the best embodiment, and compared with the embodiment of the telescopic ladder stand 4, the area of the step part of the embodiment of the telescopic ladder stand 4 is larger, so that more stable support can be provided for a user in the using process.
As shown in fig. 1 and 3, the lifting device 3 has two first scissors-type connecting rods 301 symmetrically arranged on the top of the movable base 2, one upper end of each first scissors-type connecting rod 301 is hinged to the bottom of the lifting platform 1, the other upper end of each first scissors-type connecting rod 301 is slidably connected to the bottom of the lifting platform 1, one lower end of each first scissors-type connecting rod 301 is hinged to the movable base 2, and the other lower end of each first scissors-type connecting rod 301 is provided with a screw nut adjusting mechanism for adjusting the distance between the two lower ends of the first scissors-type connecting rod 301; the screw rod nut adjusting mechanism is provided with a screw rod 305 rotatably arranged at the top of the movable base, the screw rod 305 is fixed at the top of the movable base 2 through a bearing seat 307, an adjusting rod 304 is arranged below the screw rod 305, a nut 306 matched with the screw rod 305 is fixedly arranged above the adjusting rod 304, the adjusting rod 304 is in threaded connection with the screw rod 305 through the nut 306, sliding grooves 203 corresponding to the lower end parts of the first scissor type connecting rods 301 are arranged on two sides of the movable base 2, guide holes 308 are formed in the side walls of the sliding grooves 203, cylindrical guide rods matched with the guide holes 308 are fixedly arranged at the end parts of the adjusting rod 304, and the guide rods penetrate through the guide holes 308 and are fixedly connected with; the screw 305 is rotated forward and backward, the nut 306 moves forward and backward outside the screw 305, and the adjusting rod 304 drives a lower end of the first scissors-type connecting rod 301 to approach and separate from the other lower end, thereby realizing the extension and retraction adjustment of the first scissors-type connecting rod 301.
In this embodiment, two adjustment structures and manners of the lifting device 3 are provided, one end of the screw 305 is provided with a hand wheel 309, one end of the screw 305, which is away from the hand wheel 309, is provided with a motor (not shown in the figure) which is driven by the screw 305, and the driving connection manner between the motor and the screw 305 is well known by those skilled in the art, and thus will not be described again; under the motor on state, the positive and negative rotation of the motor can be controlled, the positive rotation of the lead screw 305 can be controlled, and when no power supply supplies power to the motor, the lead screw 305 can be rotated positively through the hand wheel 309 to be adjusted.
In order to reduce the friction force between the lower end part of the first scissors type connecting rod 301 close to the adjusting rod 304 and the sliding chute 203, the lower end part of the first scissors type connecting rod 301 close to the adjusting rod 304 is provided with a lower pulley 303, the lower pulley 303 is in contact with the bottom of the sliding chute 203, and the friction force between the first scissors type connecting rod 301 and the sliding chute 203 is reduced through the rolling of the lower pulley 303; similarly, in order to reduce the friction between the first scissor linkage 301 and the bottom of the lifting platform 1, an upper pulley 302 is disposed on an upper end of the first scissor linkage 301 that is slidably connected to the bottom of the lifting platform 1, and the upper pulley 302 contacts the bottom of the lifting platform 1.
In order to improve the safety of the up-down lifting platform 1, one side of the lifting platform 1, which is close to the telescopic ladder stand 4, is provided with a handrail 103, the handrail 103 is of a circular arc-shaped rod body structure, two ends of the handrail 103 are welded and fixed on the side face of the bottom of the lifting platform 1, a user can lift the platform 1 up and down by means of the handrail 103, and the telescopic ladder stand 4 can provide protection for the user who topples over backwards at the top of the user, so that the safety is improved.
As shown in fig. 4, the bottom of the mobile base 2 is uniformly provided with universal wheels 201, the bottom of the mobile base 2 is provided with a fixed wheel 202 in the middle, specifically, four universal wheels 201 are respectively arranged at four corners of the bottom of the mobile base 2, the universal wheels 201 are universal wheels with locks, and the fixed wheel 202 is used for improving the load capacity of the mobile base 2.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An elevator function escalator, comprising:
moving the base;
the lifting platform is arranged above the moving base;
the lifting device is arranged between the lifting platform and the mobile base;
the telescopic ladder stand is characterized in that one end of the telescopic ladder stand is hinged to the top of the movable base, the other end of the telescopic ladder stand is hinged to the bottom of the lifting platform, the telescopic ladder stand is symmetrically provided with two second shear type connecting rods, the second shear type connecting rods are provided with a plurality of shear type connecting rod units, two corresponding to the second shear type connecting rods, a step piece is arranged between the shear type connecting rod units, the two adjacent shear type connecting rod units are hinged to each other at the ends, and the shear type connecting rod units are provided with two connecting rods, the middle parts of which are hinged to each other.
2. The elevator function escalator of claim 1, wherein: the stepping piece is a stepping rod, and the middle parts of two connecting rods in the scissors connecting rod unit are hinged to the end part of the stepping rod.
3. The elevator function escalator of claim 1, wherein: the step piece is a step plate, the middle parts of two connecting rods in the scissor type connecting rod units are hinged to two sides of the step plate, a third scissor type connecting rod which corresponds to the inner side of the step plate and is identical to the second scissor type connecting rod is arranged on the inner side of the telescopic ladder stand, and the front end of the step plate is hinged to the third scissor type connecting rod in a matched mode.
4. The elevator function escalator of claim 1, wherein: the lifting device is provided with two first scissors-type connecting rods symmetrically arranged at the top of the movable base, one upper end of each first scissors-type connecting rod is hinged with the bottom of the lifting platform, the other upper end of each first scissors-type connecting rod is connected with the bottom of the lifting platform in a sliding mode, one lower end of each first scissors-type connecting rod is hinged with the movable base, and the other lower end of each first scissors-type connecting rod is provided with a lead screw nut adjusting mechanism used for adjusting the distance between the two lower ends of each first scissors-type connecting rod.
5. The elevator function escalator of claim 4, wherein: the screw rod nut adjusting mechanism is provided with a screw rod rotatably arranged at the top of the movable base, the screw rod is in threaded connection with an adjusting rod, sliding grooves corresponding to the lower end portions of the first shear type connecting rods are formed in two sides of the movable base, guide holes are formed in the side walls of the sliding grooves, and the end portions of the adjusting rod penetrate through the guide holes and are fixedly connected with the lower end portions of the first shear type connecting rods.
6. The elevator function escalator of claim 5, wherein: and a hand wheel is arranged at one end of the lead screw, and a motor driven by the lead screw is arranged at one end of the lead screw, which is far away from the hand wheel.
7. The elevator function escalator of claim 5 or 6, wherein: and a lower pulley is arranged at the lower end part of the first shear type connecting rod, which is close to the adjusting rod, and the lower pulley is in contact with the bottom of the sliding groove.
8. The elevator function escalator of claim 4, wherein: an upper pulley is arranged on the upper end part of the first scissor-type connecting rod in sliding connection with the bottom of the lifting platform, and the upper pulley is in contact with the bottom of the lifting platform.
9. The elevator function escalator of claim 1, wherein: one side of the lifting platform, which is close to the telescopic ladder stand, is provided with a handrail, and the handrail is of a circular arc-shaped rod body structure.
10. The elevator function escalator of claim 1, wherein: the bottom of moving the base evenly is provided with the universal wheel, the bottom of moving the base is provided with the fixed pulley between two parties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934869.8U CN210944755U (en) | 2019-11-11 | 2019-11-11 | Escalator with lifting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934869.8U CN210944755U (en) | 2019-11-11 | 2019-11-11 | Escalator with lifting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210944755U true CN210944755U (en) | 2020-07-07 |
Family
ID=71395189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921934869.8U Expired - Fee Related CN210944755U (en) | 2019-11-11 | 2019-11-11 | Escalator with lifting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210944755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044761A (en) * | 2021-04-27 | 2021-06-29 | 北京安达维尔航空设备有限公司 | Lifting device based on Mecanum wheel |
-
2019
- 2019-11-11 CN CN201921934869.8U patent/CN210944755U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044761A (en) * | 2021-04-27 | 2021-06-29 | 北京安达维尔航空设备有限公司 | Lifting device based on Mecanum wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20211111 |