A new type of elevator

Abstract

This utility model discloses a novel lifting ladder, relating to the field of lifting ladders. It includes a base, with a working platform mounted on one end of the base, and the working platform moving along the Z-axis. A telescopic staircase is hinged to the end of the base away from the working platform, and the upper end of the telescopic staircase is hinged to the working platform. A telescopic support is provided between the base and the working platform. The telescopic support includes several support columns mounted on the base, and support rods sliding along the Z-axis are installed within the support columns. A driving component is mounted on the base, and a transmission assembly is provided between the output shaft of the driving component and the support rods. This utility model, through a combination of hand-cranked drive, worm gear self-locking, and rack and pinion transmission, completely eliminates the dependence on electricity, allowing operation in environments without electricity. The mechanical transmission structure is simple, with a low failure rate and convenient maintenance. Furthermore, the reverse self-locking characteristic of the worm gear ensures the safety of the equipment stopping at any position.

Description

Technical Field

[0001] This utility model belongs to the field of elevators, specifically a new type of elevator. Background Technology

[0002] Elevators play a vital role in building maintenance, equipment repair, and other work scenarios. To meet the needs of use in environments without power supply, various hand-cranked lifting devices have emerged in existing technologies.

[0003] However, these devices have significant shortcomings in the coordinated operation of the staircase structure and the lifting platform. For example, some hand-cranked lifting platform ladders use fixed stairs or hinged stairs that require individual adjustment. When the platform height changes, the stairs cannot adapt automatically, forcing operators to interrupt the lifting operation and manually adjust the staircase angle and position. This process is not only tedious and time-consuming but also increases the risk of work interruption, severely impacting work efficiency. Other movable lifting stairs, while designed with movable inclined rails, have low storage efficiency after deployment. Even when not in use, the stairs still occupy a significant amount of space, causing inconvenience for equipment transportation and storage. More importantly, the existing equipment's support structure and staircase system often lack integrated design. During platform lifting, the stairs and support components bear forces independently, easily leading to decreased platform stability due to uneven stress, and even gaps or misalignments at the connection between the stairs and the platform, creating safety hazards. Utility Model Content

[0004] The purpose of this utility model is to provide a new type of elevator to solve the problems of complex driving, inconvenient movement and poor stability of existing elevators.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a novel lifting ladder, comprising a base, a working platform disposed above one end of the base and the working platform being movable along the Z-axis, and a telescopic staircase hinged to one end of the base away from the working platform, and the upper end of the telescopic staircase being hinged to the working platform.

[0006] A telescopic bracket is provided between the base and the working platform. The telescopic bracket includes several support columns set on the base. A support rod that slides along the Z-axis is set in each of the support columns. A driving component is provided on the base. A transmission assembly is provided between the output shaft of the driving component and the support rod. The transmission assembly includes a first transmission component and a second transmission component. The first transmission component is set on the output shaft, and the second transmission component is set on the support rod. It is used to convert the rotation of the first transmission component around the axis into the movement of the support rod along the Z-axis.

[0007] The telescopic staircase includes several stair slabs, and two adjacent stair slabs are slidably connected. The base and the working platform are respectively hinged to the corresponding stair slabs.

[0008] Preferably, guide rails are provided on both sides of one of the stair treads, and a plurality of sliding platforms are slidably arranged on the guide rails, with each of the sliding platforms being fixedly connected to a corresponding stair tread.

[0009] Preferably, the two stair treads include several pairs of connecting rods, and each connecting rod has several treads on its inner side.

[0010] Preferably, both the stair treads and the work platform are equipped with handrails.

[0011] Preferably, the first transmission component is a gear, and the second transmission component is a rack.

[0012] Preferably, the bottom of the base is provided with a plurality of casters, and at least two of the casters are casters with brakes.

[0013] Preferably, the base has several adjustable support feet on its side.

[0014] Preferably, the driving component is a hand crank, which includes a housing, an input shaft and an output shaft rotatably mounted on the housing, a worm gear sleeved on the output shaft, and the two ends of the output shaft respectively connected to the corresponding first transmission component. The input shaft is provided with a worm that meshes with the worm gear.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. This utility model hinges the two ends of the telescopic staircase to the base and the working platform respectively. With the lifting action of the telescopic bracket, the telescopic staircase can automatically unfold or retract along the Z-axis with the working platform, realizing automatic linkage between the staircase and the platform, simplifying the operation process. The mechanical transmission structure is simple, with a low failure rate and convenient maintenance.

[0017] 2. This utility model completely eliminates the dependence on electricity by combining hand-crank drive with worm gear self-locking and gear rack transmission. It can be used in environments without electricity. The mechanical transmission structure is simple, has a low failure rate, and is easy to maintain. Moreover, the reverse self-locking characteristic of the worm gear ensures the safety of the equipment when it stops at any position. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0019] Figure 1 This is a first-view perspective three-dimensional structural diagram of an embodiment of the present utility model;

[0020] Figure 2 This is a second-view perspective three-dimensional structural diagram provided for an embodiment of the present utility model;

[0021] Figure 3 A third-view stereoscopic structural diagram provided for an embodiment of this utility model.

[0022] In the picture:

[0023] 1. Base; 2. Working platform; 3. Telescopic bracket; 301. Support column; 302. Support rod; 4. Telescopic staircase; 401. Stair tread; 4011. Step; 4012. Connecting rod; 402. Guide rail; 403. Slide table; 5. Drive component; 6. Transmission assembly; 601. First transmission component; 602. Second transmission component; 7. Handwheel; 8. Adjustable support foot; 9. Casters; 10. Handrail. Detailed Implementation

[0024] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0025] As attached Figure 1 To be continued Figure 3 As shown:

[0026] This utility model provides a novel lifting ladder, including a base 1, a working platform 2 disposed above one end of the base 1, and the working platform 2 moving along the Z-axis. A telescopic staircase 4 is hinged to the end of the base 1 away from the working platform 2, and the upper end of the telescopic staircase 4 is hinged to the working platform 2. A telescopic support 3 is disposed between the base 1 and the working platform 2. The telescopic support 3 includes a plurality of support columns 301 disposed on the base 1, and a support rod 302 that slides along the Z-axis is disposed within the plurality of support columns 301. A driving member 5 is disposed on the base 1, and a transmission assembly 6 is disposed between the output shaft of the driving member 5 and the support rod 302. The transmission assembly 6 includes a first transmission member 601 and a second transmission member 602. The first transmission member 601 is disposed on the output shaft, and the second transmission member 602 is disposed on the support rod 302, which is used to convert the rotation of the first transmission member 601 around the axis into the movement of the support rod 302 along the Z-axis. The telescopic staircase 4 includes a plurality of stair slabs 401, and adjacent stair slabs 401 are slidably connected. The base 1 and the working platform 2 are respectively hinged to the corresponding stair slabs 401.

[0027] During operation, the elevator is first moved to the designated position using the casters 9, and the adjustable support feet 8 are adjusted to ensure the base 1 is stably in contact with the ground. Turning the handwheel 7 drives the drive unit 5, which in turn drives the support rod 302 to rise and fall along the support column 301 via the transmission assembly 6, thereby propelling the work platform 2 along the Z-axis. Simultaneously, the telescopic staircase 4 automatically unfolds or retracts along with the work platform 2, providing a safe passage. This design achieves smooth manual lifting, is simple to operate, and is easy to move.

[0028] As attached Figure 1 To be continued Figure 3 As shown, in one embodiment of the present invention, guide rails 402 are provided on both sides of a stair slab 401, and a plurality of sliding tables 403 are slidably arranged on the guide rails 402, and the plurality of sliding tables 403 are respectively fixedly connected to the corresponding stair slab 401.

[0029] During operation, the guide rail 402 is first fixed to the side of the stair tread 401, and the slide 403 is connected to the adjacent stair tread 401. When the telescopic staircase 4 is unfolded or retracted, the slide 403 slides along the guide rail 402 to ensure that the stair tread 401 moves smoothly and avoids jamming.

[0030] As attached Figure 1 To be continued Figure 3 As shown, in one embodiment of the present invention, the two stair treads 401 include a plurality of connecting rods 4012 arranged in pairs, and a plurality of treads 4011 are provided on the inner side of each connecting rod 4012.

[0031] During operation, the connecting rod 4012 connects to the adjacent stair tread 401 to enhance the overall strength; the tread 4011 provides a stepping surface to ensure the user's safe ascent and descent.

[0032] As attached Figure 1 To be continued Figure 3 As shown, in one embodiment of this utility model, both the stair tread 401 and the work platform 2 are provided with handrails 10.

[0033] When working, the handrail 10 provides support for the user and improves safety, especially when working at heights, to prevent accidental falls.

[0034] As attached Figure 3 As shown, in one embodiment of this utility model, the first transmission component 601 is a gear, and the second transmission component 602 is a rack.

[0035] During operation, the gear meshes with the rack, converting the rotational motion of the handwheel 7 into the linear motion of the support rod 302, resulting in high transmission efficiency and effortless operation.

[0036] As attached Figure 1 To be continued Figure 3As shown, in one embodiment of this utility model, the bottom of the base 1 is provided with a plurality of movable wheels 9, and at least two of the movable wheels 9 are universal wheels with brakes.

[0037] When in operation, the casters facilitate movement in multiple directions, and the brake function can lock the device after positioning to prevent accidental movement.

[0038] As attached Figure 1 To be continued Figure 3 As shown, in one embodiment of the present invention, the base 1 is provided with a plurality of adjustable support feet 8 on its side. Each adjustable support foot 8 includes a housing fixedly mounted on the base 1, a crank handle mounted on the housing, a support leg located inside the housing and extendable along the housing, and an independent transmission unit. The support leg and the housing are connected by a threaded transmission or a gear and rack transmission structure. The crank handle is connected to the support leg through the aforementioned transmission unit to drive the support leg to generate relative displacement with respect to the housing.

[0039] When in operation, cranking the handle transmits power to the outriggers via the transmission unit. The outriggers extend and retract through the transmission between the outriggers and the outer shell, thereby adjusting the height of the base 1 and ensuring that the outriggers are firmly in contact with the ground, thus enhancing stability.

[0040] As attached Figure 3 As shown, in one embodiment of this utility model, the driving component 5 is a hand crank, which includes a housing, an input shaft and an output shaft rotatably mounted on the housing, a worm gear sleeved on the output shaft, and the two ends of the output shaft respectively connected to the corresponding first transmission component 601. The input shaft is provided with a worm that meshes with the worm gear, and a handwheel 7 is connected to the end of the input shaft.

[0041] During operation, turning handwheel 7 drives the worm gear to rotate, which in turn drives the worm wheel and output shaft to rotate, achieving lifting and lowering through gear and rack transmission; the worm wheel and worm gear have a self-locking function to prevent the work platform 2 from falling down on its own.

[0042] In one embodiment of this utility model, the outer shell of the adjustable support foot 8 and the support leg are connected by a threaded drive.

[0043] During operation, the threaded drive provides precise adjustment capabilities, ensuring smooth extension and retraction of the outriggers and strong locking force.

[0044] In one embodiment of this utility model, the support column 301 and the support rod 302 are made of high-strength square steel.

[0045] During operation, the high bending strength of the square steel structure ensures that the telescopic bracket 3 does not deform under load, thus improving safety.

[0046] Working principle: The user moves the elevator to the working position using the casters 9, and adjusts the adjustable support feet 8 to stabilize the base 1. Turning the handwheel 7 drives the hand crank, which, through a worm gear, drives the gear to rotate. The gear meshes with the rack and pinion, pushing the support rod 302 up and down along the support column 301, thereby driving the working platform 2 to move along the Z-axis. Simultaneously, the telescopic staircase 4 rises and falls with the working platform 2, automatically unfolding or retracting via the slide 403 on the guide rail 402. The steps 4011 and handrails 10 on the stair treads 401 ensure safe use. This elevator uses pure mechanical transmission, requires no electricity, is simple to operate, easy to move, has good stability, and is suitable for various working environments.

[0047] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A novel elevator characterized by: Includes a base (1), with a working platform (2) above one end of the base (1), and the working platform (2) moves along the Z-axis. A telescopic staircase (4) is hinged to one end of the base (1) away from the working platform (2), and the upper end of the telescopic staircase (4) is hinged to the working platform (2). A telescopic bracket (3) is provided between the base (1) and the working platform (2). The telescopic bracket (3) includes several support columns (301) provided on the base (1). A support rod (302) that slides along the Z-axis is provided in the several support columns (301). A driving member (5) is provided on the base (1). A transmission assembly (6) is provided between the output shaft of the driving member (5) and the support rod (302). The transmission assembly (6) includes a first transmission member (601) and a second transmission member (602). The first transmission member (601) is provided on the output shaft, and the second transmission member (602) is provided on the support rod (302). It is used to convert the rotation of the first transmission member (601) around the axis into the movement of the support rod (302) along the Z-axis. The telescopic staircase (4) includes several stair slabs (401), and two adjacent stair slabs (401) are slidably connected. The base (1) and the working platform (2) are respectively hinged to the corresponding stair slabs (401).

2. The novel elevator according to claim 1, characterized in that: A guide rail (402) is provided on both sides of a stair slab (401), and a plurality of slides (403) are slidably provided on the guide rail (402), and the plurality of slides (403) are respectively fixedly connected to the corresponding stair slab (401).

3. The novel elevator according to claim 1, characterized in that: The two stair treads (401) include several pairs of connecting rods (4012), and several treads (4011) are provided on the inner side of each connecting rod (4012).

4. The novel elevator according to claim 1, characterized in that: Both the stair slab (401) and the work platform (2) are equipped with handrails (10).

5. A novel elevator according to claim 1, characterized in that: The first transmission component (601) is a gear, and the second transmission component (602) is a rack.

6. A novel elevator according to claim 1, characterized in that: The base (1) is provided with a number of casters (9) at its bottom, and at least two of the casters (9) are casters with brakes.

7. A novel elevator according to claim 1, characterized in that: The base (1) has several adjustable support feet (8) on its side.

8. A novel elevator according to claim 1, characterized in that: The driving component (5) is a hand crank, which includes a housing. An input shaft and an output shaft are rotatably mounted on the housing. A worm gear is mounted on the output shaft. Both ends of the output shaft are connected to the corresponding first transmission component (601). A worm gear that meshes with the worm gear is mounted on the input shaft.

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