CN211773686U

CN211773686U - Foundation pit lifting platform

Info

Publication number: CN211773686U
Application number: CN202020063876.1U
Authority: CN
Inventors: 王羿
Original assignee: Zhejiang Mingsite Construction Support Technology Co ltd
Current assignee: Zhejiang Mingsite Construction Support Technology Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-27
Anticipated expiration: 2030-01-13

Abstract

The utility model provides a foundation pit lifting platform, which comprises a chassis frame, a lifting rack, a controller and a driving device, wherein the upper and lower positions at the two sides of the chassis frame are respectively and fixedly connected with a first supporting connecting rod and a second supporting connecting rod, a pair of symmetrically arranged chain wheels I are sleeved on the first supporting connecting rod, a pair of symmetrically arranged chain wheels II are sleeved on the second supporting connecting rod, and a chain is connected between the first chain wheel and the second chain wheel, one end of the positioning sleeve is fixedly connected with the lifting rack, the driving device at least comprises a motor, a main gear and a driven gear, the output shaft of the motor is connected with the main gear, the main gear is meshed with the driven gear, the utility model drives the second chain wheel to rotate through the chain transmission, the transmission of the driving chain wheel I of the driving device is realized, the lifting rack is controlled to lift, the lifting rack can be stably operated, and the overall safety performance and the stability are effectively improved.

Description

Foundation pit lifting platform

Technical Field

The utility model relates to a elevating platform technical field specifically is a foundation ditch elevating platform.

Background

The foundation pit engineering mainly comprises foundation pit supporting system design and construction and earthwork excavation, and is a system engineering with strong comprehensiveness. The method requires geotechnical engineering and structural engineering technicians to be closely matched, and in the foundation pit engineering, some excavated foundation pits are deep, so that a lifting platform is needed when the constructor carries out construction under the foundation pit, and related materials and materials are conveyed through the lifting platform;

the lifting platform is a hoisting machine for vertically transporting people or objects. Also refers to equipment for vertical conveying in logistics systems such as factories and automatic warehouses, and various plane conveying equipment is often arranged on the lifting platform and is used as a connecting device for conveying lines with different heights. The hydraulic lifting platform is generally driven by hydraulic pressure, so the hydraulic lifting platform is called as a hydraulic lifting platform. The device is widely applied to high-altitude installation, maintenance and other operations besides being used for conveying goods with different heights. The characteristic that the elevating platform freely ascends and descends is widely applied to municipal maintenance, cargo transportation at wharfs and logistics centers, buildings and the like at present.

The existing lifting platform is driven by hydraulic pressure, the arranged driving device is positioned at the bottom of the lifting platform, in the foundation pit engineering, accumulated water often exists below the foundation pit, and the normal driving of the lifting platform is easily influenced, so that the lifting platform suitable for the foundation pit is necessary to be arranged.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a foundation ditch elevating platform solves current elevating platform and adopts hydraulic drive, and the drive arrangement of setting is located the elevating platform bottom, and in the foundation ditch engineering, there is ponding the below normal drive scheduling problem that often has of foundation ditch, influences the elevating platform easily.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a foundation ditch elevating platform, its beneficial effect who possesses as follows: a foundation pit lifting platform comprises a chassis frame, a lifting rack, a controller and a driving device, wherein the lifting rack is connected with the chassis frame, the upper and lower positions of the two sides of the chassis frame are respectively and fixedly connected with a first support connecting rod and a second support connecting rod, the first support connecting rod is sleeved with a pair of symmetrically arranged first chain wheels, the second support connecting rod is sleeved with a pair of symmetrically arranged second chain wheels, the first chain wheels and the second chain wheels are symmetrically arranged, a chain is connected between the first chain wheels and the second chain wheels, a positioning sleeve is sleeved on the chain, one end of the positioning sleeve is fixedly connected with the lifting rack, the chain is driven to move up and down by the rotation of the first chain wheels and the second chain wheels, the driving device at least comprises a motor, a main gear and a driven gear, the motor is fixedly connected at the connecting position of the first support connecting rod and the chassis frame, and the output, the main gear is meshed with the driven gear.

The utility model discloses further set up to: the first chain wheel is fixedly connected with the first support connecting rod, and the second chain wheel is fixedly connected with the second support connecting rod.

The utility model discloses further set up to: the driven gear is fixedly connected to the first support connecting rod, and the driving devices are respectively located on two sides of the chassis frame.

The utility model discloses further set up to: the lifting table frame is provided with a guardrail, one side of the lifting table frame is provided with an opening, the opening is movably connected with a door, one side of the door is hinged to the guardrail on one side, the other side of the door is connected with the guardrail on the other side in a buckling mode, the guardrail is provided with a connecting block, a clamping block is rotatably connected to the door, and the clamping block is connected with the connecting block.

The utility model discloses further set up to: and universal wheels are arranged at four corner positions at the bottom of the chassis frame.

The utility model discloses further set up to: and cross supporting rods are arranged on the inner wall of the chassis frame.

The utility model discloses further set up to: the bottom of the chassis frame is respectively provided with four supporting frames, each supporting frame comprises a supporting leg and a supporting disc, the supporting discs are fixedly connected with the supporting legs, and the supporting legs are hinged to the chassis frame.

To sum up, the utility model discloses following beneficial effect has:

firstly, the utility model drives the main gear to rotate through the rotation of the output shaft of the motor, so as to drive the impulse gear meshed with the main gear to rotate, the driven gear is connected on the first support connecting rod, thereby driving the first support connecting rod to rotate, so as to realize the rotation of the first chain wheel connected with the first support connecting rod, the chain drives the second chain wheel to rotate through chain transmission, so that the driving device drives the first chain wheel to transmit, the lifting of the lifting rack is controlled, two groups of chain wheels I and two groups of chain wheels II are respectively arranged at two sides of the lifting rack to drive the lifting rack to ascend or descend, therefore, the lifting rack can be stably operated, the overall safety performance and the stability performance are effectively improved, and the drive arrangement who sets up is located the upper end position of chassis underframe to this can effectively avoid bottom ponding to influence drive arrangement's operation, can effectively ensure drive arrangement steady operation, effectively improve its holistic life.

Two, the utility model discloses a be equipped with the guardrail on the lift rack, can ensure the protective action in rising or decline process guarantee lift rack through setting up the guardrail, and one side of lift rack is equipped with the opening, swing joint has the door on the opening, through be equipped with the connecting block on the guardrail, it is connected with the fixture block to rotate on the door, through rotating the door, connect the fixture block and be used for connecting into closed whole with door and guardrail on the connecting block, and in the same way, it separates from the connecting block to rotate the fixture block, a door is used for opening, supply the constructor to place article on the lift rack and transport.

Drawings

Fig. 1 is a schematic view of the overall structure of a foundation pit lifting platform of the present invention;

fig. 2 is a left side view of a demolition worktable of a foundation pit lifting platform of the utility model;

fig. 3 is the utility model discloses a foundation ditch elevating platform demolish the front view of workstation.

In the figure: 1. a chassis frame; 2. a lifting rack; 3. a controller; 4. a drive device; 5. a first support connecting rod; 6. a second support connecting rod; 7. a chain wheel I; 8. a second chain wheel; 9. a chain; 10. a positioning sleeve; 11. a motor; 12. a main gear; 13. a driven gear; 14. a guardrail; 15. an opening; 16. a door; 17. connecting blocks; 18. a clamping block; 19. a universal wheel; 20. a support bar; 21. a support frame; 22. a support leg; 23. and (4) supporting the disc.

Detailed Description

In order to make the technical means, innovative features, objectives and effects of the present invention apparent and understood, the present invention will be further described with reference to the accompanying drawings, in which the described embodiments are only some, but not all embodiments of the present invention. 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 "front", "back", "vertical", "horizontal", 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 the 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. Furthermore, "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-3, the utility model provides a technical scheme, a foundation pit lifting platform, comprising a chassis frame 1, a lifting rack 2, a controller 3 and a driving device 4, wherein the chassis frame 1 is a regular frame structure, the lifting rack 2 is arranged for carrying articles, the lifting rack 2 is connected with the chassis frame 1, the upper and lower positions of the two sides of the chassis frame 1 are respectively and fixedly connected with a first support connecting rod 5 and a second support connecting rod 6, a pair of symmetrically arranged first chain wheels 7 are sleeved on the first support connecting rod 5, the first chain wheels 7 are fixedly connected with the first support connecting rod 5, a pair of symmetrically arranged second chain wheels 8 are sleeved on the second support connecting rod 6, the second chain wheels 8 are fixedly connected with the second support connecting rod 6, the first chain wheels 7 are symmetrically arranged with the second chain wheels 8, and a chain 9 is connected between the first chain wheels 7 and the second chain wheels 8, the chain 9 is sleeved with a positioning sleeve 10, one end of the positioning sleeve 10 is fixedly connected with the lifting rack 2, the chain 9 is driven to move up and down by the rotation of the first chain wheel 7 and the second chain wheel 8, so that the lifting rack 2 connected with the positioning sleeve 10 is driven to move, the lifting rack 2 can move up and down, the driving device 4 at least comprises a motor 11, a main gear 12 and a driven gear 13, the motor 11 is fixedly connected at the connecting position of the first support connecting rod 5 and the chassis frame 1, the output shaft of the motor 11 is connected with the main gear 12, the main gear 12 is meshed with the driven gear 13, the driven gear 13 is fixedly connected on the first support connecting rod 5, the driving devices 4 are respectively arranged at two sides of the chassis frame 1, when a power supply is started, the motors 11 arranged at two sides are driven to synchronously start to work under the control of the controller 3, so that the driving devices 4 arranged at two sides are synchronously, an output shaft of a motor 11 rotates to drive a main gear 12 to rotate, so as to drive a driven gear 13 meshed with the main gear 12 to rotate, the driven gear 13 is connected to a first support connecting rod 5, so as to drive a first chain wheel 7 connected to the first support connecting rod 5 to rotate, a second chain wheel 8 is driven to rotate through a chain 9, so as to drive a first chain wheel 7 of a driving device 4 to drive the lifting rack 2 to lift, two groups of first chain wheels 7 and second chain wheels 8 are respectively arranged at two sides of the lifting rack 2 to drive the lifting rack 2 to ascend or descend, so that the lifting rack 2 can be stably operated, the overall safety performance and the stability performance are effectively improved, and the arranged driving device 4 is positioned at the upper end of a chassis frame 1, so as to effectively avoid the influence of accumulated water at the bottom on the operation of the driving device 4, and effectively ensure the stable operation of the driving device 4, effectively prolonging the service life of the whole body.

As an improved embodiment, the lifting rack 2 is provided with a guardrail 14, the protection effect in the lifting rack 2 can be guaranteed in the ascending or descending process by arranging the guardrail 14, one side of the lifting rack 2 is provided with an opening 15, the opening 15 is movably connected with a door 16, one side of the door 16 is hinged to the guardrail 14 on one side, the other side of the door 16 is connected with the guardrail 14 on the other side in a buckling manner, specifically, the guardrail 14 is provided with a connecting block 17, the door 16 is rotatably connected with a clamping block 18, the clamping block 18 is rotatably connected onto the connecting block 17 by rotating the door 16 for connecting the door 16 and the guardrail 14 into a closed whole, and similarly, the rotating clamping block 18 is separated from the connecting block 17 for opening the door 16 for a constructor to place an object on the lifting rack 2 for transportation.

As a modified embodiment, four corner positions of chassis frame 1 bottom are equipped with universal wheel 19, can conveniently remove the utility model discloses go up and down to suitable position to set up the removal that universal wheel 19 effectively made things convenient for operating personnel.

As a modified embodiment, be equipped with the bracing piece 20 that is the cross on the inner wall of chassis underframe 1, can effectively increase chassis underframe 1's stability through setting up bracing piece 20, can effectively ensure the utility model discloses steady operation.

As a modified embodiment, the bottom of chassis frame 1 is equipped with four support frames 21 respectively, support frame 21 includes stabilizer blade 22 and supporting disk 23, supporting disk 23 and stabilizer blade 22 fixed connection, stabilizer blade 22 is articulated with chassis frame 1, when promoting the utility model discloses after the fixed position, remove the backup pad out, be used for stable plane, make things convenient for the steady operation of lift rack 2.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A foundation pit lifting platform is characterized in that: the lifting platform comprises a chassis frame (1), a lifting platform frame (2), a controller (3) and a driving device (4), wherein the lifting platform frame (2) is connected with the chassis frame (1), the upper and lower positions of the two sides of the chassis frame (1) are respectively and fixedly connected with a first support connecting rod (5) and a second support connecting rod (6), the first support connecting rod (5) is sleeved with a pair of symmetrically arranged first chain wheels (7), the second support connecting rod (6) is sleeved with a pair of symmetrically arranged second chain wheels (8), the first chain wheels (7) and the second chain wheels (8) are symmetrically arranged, a chain (9) is connected between the first chain wheels (7) and the second chain wheels (8), the chain (9) is sleeved with a positioning sleeve (10), one end of the positioning sleeve (10) is fixedly connected with the lifting platform frame (2), and the first chain wheels (7) and the second chain wheels (8) rotate to drive the chain (9) to move up and down, the driving device (4) at least comprises a motor (11), a main gear (12) and a driven gear (13), the motor (11) is fixedly connected to the connecting position of the first support connecting rod (5) and the chassis frame (1), an output shaft of the motor (11) is connected with the main gear (12), and the main gear (12) is meshed with the driven gear (13).

2. A foundation pit lifting platform according to claim 1, wherein: the first chain wheel (7) is fixedly connected with the first support connecting rod (5), and the second chain wheel (8) is fixedly connected with the second support connecting rod (6).

3. A foundation pit lifting platform according to claim 1, wherein: the driven gear (13) is fixedly connected to the first support connecting rod (5), and the driving devices (4) are respectively located on two sides of the chassis frame (1).

4. A foundation pit lifting platform according to claim 1, wherein: be equipped with guardrail (14) on lift rack (2), and one side of lift rack (2) is equipped with opening (15), swing joint has door (16) on opening (15), one side and one side guardrail (14) of door (16) are articulated, and the opposite side guardrail (14) lock of door (16) are connected, be equipped with connecting block (17) on guardrail (14), rotate on door (16) and be connected with fixture block (18), fixture block (18) with connecting block (17) are connected.

5. A foundation pit lifting platform according to claim 1, wherein: universal wheels (19) are arranged at four corner positions at the bottom of the chassis frame (1).

6. A foundation pit lifting platform according to claim 1, wherein: the inner wall of the chassis frame (1) is provided with cross supporting rods (20).

7. A foundation pit lifting platform according to claim 1, wherein: the bottom of chassis frame (1) is equipped with four support frames (21) respectively, support frame (21) include stabilizer blade (22) and supporting disk (23), supporting disk (23) and stabilizer blade (22) fixed connection, stabilizer blade (22) are articulated with chassis frame (1).