Movable hydraulic lifting working platform

By setting limiting slides, slots and inclined blocks in the hydraulic lifting platform, combined with moving wheels and limit frames, the problem of uncontrolled platform descent caused by hydraulic rod leakage is solved, and stable lifting and lowering of the platform and improved safety are achieved.

CN223433212UActive Publication Date: 2025-10-14SHENMU ZHANGJIAMAO COAL MINING CO LTD OF SHAANXI COAL & CHEM IND GRP
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Patent Information

Application Number
CN202423096984.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-10-14
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

When a hydraulic rod in an existing hydraulic lifting work platform leaks, it may cause the platform to descend uncontrollably, posing a safety hazard or risk of an accident.

Method used

By setting a limiting slide, limiting slot and inclined block, and using spring return to drive the inclined block into the limiting slot, the position of the slide, fixed side plate and supporting inner frame is limited to prevent the support platform from falling uncontrolled. Combined with the moving wheels and limit frame, stable lifting and lowering adjustment is achieved.

Benefits of technology

It effectively prevents uncontrolled lowering of the platform caused by leakage of the hydraulic rod, improves safety and ensures stable lifting and lowering operations of the platform.

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Abstract

The utility model discloses a movable hydraulic lifting working platform which comprises a supporting platform and has the beneficial effects that a limiting sliding plate, a limiting clamping groove and an inclined surface clamping block are arranged, so that the limiting between the inclined surface clamping block and the limiting clamping groove in the top of the limiting sliding plate is realized; a spring is reset to drive a slope clamping block to enter a limiting clamping groove in one side of a limiting sliding plate, the positions of the limiting sliding plate, a fixing side plate and a supporting inner frame are limited, the positions of a first rotating supporting plate and a second rotating supporting plate are supported and fixed, and the risk that the supporting platform descends uncontrollably is prevented; by arranging a first moving wheel and a second moving wheel, when a first rotating supporting plate and a second rotating supporting plate rotate through a rotating shaft, the first moving wheel is driven by the second rotating supporting plate to move, the first moving wheel rolls in a first limiting frame, and the first rotating supporting plate drives the second moving wheel to move; the second moving wheel rolls in the second limiting frame.
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Description

Technical Field

[0001] The utility model relates to the technical field of working platforms, in particular to a mobile hydraulic lifting working platform. Background Art

[0002] The hydraulic lifting work platform, also known as the hydraulic lifting platform or hydraulic lift, is a multifunctional lifting and loading and unloading mechanical equipment. The hydraulic lifting work platform adopts a hydraulic drive method, and the hydraulic rod converts the force into vertical movement to realize the lifting of objects. It is mainly composed of a lifting platform, a hydraulic system, an electric motor (or engine), a controller and a support structure. The hydraulic system controls the movement of the hydraulic rod by controlling the flow and pressure of the hydraulic oil, thereby realizing the lifting and lowering of the platform; the hydraulic lifts currently on the market generally adopt a design based on a scissor-type bracket, and use the hydraulic rod as the power source to realize the lifting function. Sufficient pressure must be continuously provided to the hydraulic system, but when the hydraulic rod in the existing hydraulic lifting work platform leaks, it may cause the risk of uncontrolled descent of the platform. Such an unexpected situation is very likely to cause safety hazards or accidents. Utility Model Content

[0003] The purpose of the present utility model is to provide a mobile hydraulic lifting work platform to solve the problem raised in the above background technology that when the hydraulic rod of the existing hydraulic lifting work platform leaks, the risk of uncontrolled descent of the platform may be caused. Such an unexpected situation is very likely to cause safety hazards or accidents.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a mobile hydraulic lifting work platform, comprising:

[0005] Support platform;

[0006] A supporting chassis, the supporting chassis is placed below the supporting platform;

[0007] A first rotating support plate is symmetrically rotated on the top of the supporting frame through a rotating axis;

[0008] A second rotating support plate is symmetrically rotated by a rotating shaft and is arranged at the bottom of the supporting platform. The first rotating support plate and the second rotating support plate are rotatably connected by a rotating shaft;

[0009] A rotating inner rod is rotatably arranged on the inner side of the supporting base frame;

[0010] A hydraulic rod is rotatably arranged on the outside of the rotating inner rod, and an inner support frame is rotatably arranged on the output end of the hydraulic rod through a rotating shaft, and the inner support frame is fixedly connected to the inner side of the first rotating support plate;

[0011] The rotating support box is symmetrically arranged on the outside of the rotating inner rod;

[0012] A limiting slide plate is provided inside the rotating support box;

[0013] The fixed side plate is symmetrically rotated on the outside of the limiting slide plate through a rotating shaft, and one side of the fixed side plate is fixedly connected to the supporting inner frame.

[0014] As a preferred solution of the utility model: it also includes a fixed side box, which is fixedly connected to one side of the rotating support box, and the fixed side box is internally slidably provided with an inclined card block, and one side of the limiting slide is equidistantly provided with a plurality of limiting card slots that cooperate with the inclined card block.

[0015] As a preferred solution of the present invention: a pull rod is fixedly connected to one side of the inclined surface block, and the pull rod is slidingly connected to the fixed side box. A spring is symmetrically arranged inside the fixed side box, one end of the spring is fixedly connected to the fixed side box, and the other end of the spring is fixedly connected to the inclined surface block.

[0016] As a preferred solution of the present invention: the top of the supporting base is symmetrically fixed with a No. 1 limit frame, the outer side of the No. 2 rotating support plate is rotatably provided with a No. 1 moving wheel that cooperates with the No. 1 limit frame, and the bottom of the supporting platform is symmetrically fixed with a No. 2 limit frame, and the outer side of the No. 1 rotating support plate is rotatably provided with a No. 2 moving wheel that cooperates with the No. 2 limit frame.

[0017] As a preferred solution of the present invention: a plurality of universal wheels are installed at the bottom of the supporting chassis.

[0018] As a preferred solution of the present invention: a guardrail is provided on the top of the support platform.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention realizes the limiting between the inclined block and the limiting slot at the top of the limiting slide by setting a limiting slide, a limiting slot and a sloped block, and drives the inclined block into the limiting slot on one side of the limiting slide by spring reset, thereby limiting the position of the limiting slide, the fixed side plate and the supporting inner frame, supporting and fixing the positions of the No. 1 rotating support plate and the No. 2 rotating support plate, and preventing the risk of uncontrolled descent of the support platform; and by setting a No. 1 moving wheel and a No. 2 moving wheel, when the No. 1 rotating support plate and the No. 2 rotating support plate rotate through the rotating shaft, the No. 1 moving wheel is driven to move by the No. 2 rotating support plate, and the No. 1 moving wheel rolls in the No. 1 limiting frame, and the No. 1 rotating support plate drives the No. 2 moving wheel to move, and the No. 2 moving wheel rolls in the No. 2 limiting frame, thereby stably adjusting the lifting and lowering of the support platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is the front view of the utility model;

[0022] Figure 3 This is a top view of the No. 1 rotating support plate and the No. 2 rotating support plate of the present invention;

[0023] Figure 4 This is a schematic diagram of the internal structure of the rotating support box and the limiting slide plate of the utility model;

[0024] Figure 5 This is a schematic diagram of the internal structure of the fixed side box of the utility model.

[0025] In the figure: 1. Support platform; 2. Guardrail; 3. Support base; 4. Rotating support plate No. 1; 5. Rotating support plate No. 2; 6. Limiting frame No. 1; 7. Limiting frame No. 2; 8. Moving wheel No. 1; 9. Moving wheel No. 2; 10. Hydraulic rod; 11. Rotating inner rod; 12. Rotating support box; 13. Limiting slide; 14. Fixed side box; 15. Inclined block; 16. Pull rod; 17. Spring; 18. Limiting slot; 19. Fixed side plate; 20. Support inner frame; 21. Universal wheel. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figures 1 to 5 The utility model provides a technical solution: a mobile hydraulic lifting work platform, comprising: a supporting platform 1; a supporting base frame 3 is placed under the supporting platform 1; the No. 1 rotating support plate 4 is symmetrically rotated through the rotating axis and is arranged on the top of the supporting base frame 3; the No. 2 rotating support plate 5 is symmetrically rotated through the rotating axis and is arranged at the bottom of the supporting platform 1, and the No. 1 rotating support plate 4 and the No. 2 rotating support plate 5 are rotatably connected through the rotating axis; the rotating inner rod 11 is rotatably arranged on the inner side of the supporting base frame 3; the hydraulic rod 10 is rotatably arranged on the outer side of the rotating inner rod 11, and the output end of the hydraulic rod 10 is rotatably provided with a supporting inner frame 20, and the supporting inner frame 20 is fixedly connected to the inner side of the No. 1 rotating support plate 4; the rotating support box 12 is symmetrically rotated and arranged on the outer side of the rotating inner rod 11; the limiting slide 13 is slidably arranged inside the rotating support box 12; the fixed side plate 19 is symmetrically rotated and arranged on the outer side of the limiting slide 13 through the rotating axis, and one side of the fixed side plate 19 is fixedly connected to the supporting inner frame 20.

[0028] The cam 12 is moved by the hydraulic rod 10 and the cam 13 is moved by the hydraulic rod 10, and the cam 13 is moved by the hydraulic rod 10. The cam 13 is moved by the hydraulic rod 10 and the cam 13 is moved by the hydraulic rod 10. The cam 13 is moved by the hydraulic rod 10 and the cam 13 is moved by the hydraulic rod 10. When the support platform 1 is lowered, the pull rod 16 and the inclined surface block 15 are pulled together, and the inclined surface block 15 leaves the limit slot 18 of the fixed position. At this time, the output end of the hydraulic rod 10 can be retracted to fold the No. 1 rotating support plate 4 and the No. 2 rotating support plate 5.

[0029] See also Figure 1 and Figure 5 , and also includes a fixed side box 14, which is fixedly connected to one side of the rotating support box 12. A sloped block 15 is slidingly provided inside the fixed side box 14, and a plurality of limiting slots 18 that cooperate with the sloped block 15 are equidistantly provided on one side of the limiting slide 13.

[0030] It can be understood that the utility model fixes the limiting position of the limiting slide 13 in the rotating support box 12 through the inclined block 15 and the limiting slot 18, and limits and fixes the supporting positions of the supporting inner frame 20, the No. 1 rotating support plate 4 and the No. 2 rotating support plate 5.

[0031] See also Figure 1 and Figure 5A pull rod 16 is fixed to one side of the inclined block 15, and the pull rod 16 is slidingly connected to the fixed side box 14. A spring 17 is symmetrically arranged inside the fixed side box 14, one end of the spring 17 is fixed to the fixed side box 14, and the other end of the spring 17 is fixed to the inclined block 15.

[0032] It is understandable that the present invention drives the inclined surface block 15 to reset by the spring 17 , so that the inclined surface block 15 can enter the limiting slot 18 to limit the position of the limiting slide plate 13 .

[0033] See also Figure 1 and Figure 5 The top of the supporting base frame 3 is symmetrically fixed with a No. 1 limit frame 6, and the outer side of the No. 2 rotating support plate 5 is provided with a No. 1 moving wheel 8 that cooperates with the No. 1 limit frame 6 through a rotating shaft. The bottom of the supporting platform 1 is symmetrically fixed with a No. 2 limit frame 7, and the outer side of the No. 1 rotating support plate 4 is rotatably provided with a No. 2 moving wheel 9 that cooperates with the No. 2 limit frame 7.

[0034] It can be understood that, in the present invention, the No. 1 rotating support plate 4 drives the No. 2 moving wheel 9 to rotate inside the No. 2 limiting frame 7, and when the No. 2 rotating support plate 5 moves, it drives the No. 1 moving wheel 8 to rotate inside the No. 1 limiting frame 6 for guiding processing.

[0035] See also Figure 1 and Figure 5 A plurality of universal wheels 21 are installed at the bottom of the supporting frame 3.

[0036] It is understandable that the present invention uses the universal wheels 21 to move and adjust the entire support frame 3.

[0037] See also Figure 1 and Figure 5 A guardrail 2 is provided on the top of the supporting platform 1.

[0038] It can be understood that the present invention protects the operators on the support platform 1 through the guardrail 2 .

[0039] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as a limitation on the present invention.

[0040] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one such feature.

[0041] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0042] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mobile hydraulic lifting work platform, characterized in that: include: Support platform (1); A supporting base frame (3), the supporting base frame (3) is placed below the supporting platform (1); A first rotating support plate (4), the first rotating support plate (4) is symmetrically rotated and arranged on the top of the supporting base frame (3) through a rotating axis; A second rotating support plate (5), the second rotating support plate (5) is symmetrically rotated and arranged at the bottom of the supporting platform (1) via a rotating shaft, and the first rotating support plate (4) and the second rotating support plate (5) are rotatably connected via a rotating shaft; Rotating the inner rod (11), wherein the inner rod (11) is rotatably arranged on the inner side of the supporting base frame (3); A hydraulic rod (10) is rotatably arranged on the outside of a rotating inner rod (11); an output end of the hydraulic rod (10) is rotatably provided with a supporting inner frame (20) via a rotating shaft; and the supporting inner frame (20) is fixedly connected to the inner side of the first rotating support plate (4); A rotating support box (12) is symmetrically arranged on the outside of the rotating inner rod (11); A limiting slide plate (13) is slidably arranged inside the rotating support box (12); A fixed side plate (19) is symmetrically rotated on the outside of the limiting slide plate (13) through a rotating shaft, and one side of the fixed side plate (19) is fixedly connected to the supporting inner frame (20).

2. The mobile hydraulic lifting work platform according to claim 1, characterized in that: The invention also includes a fixed side box (14) fixedly connected to one side of the rotating support box (12), an inclined surface block (15) is slidably provided inside the fixed side box (14), and a plurality of limiting slots (18) cooperating with the inclined surface block (15) are equidistantly provided on one side of the limiting slide plate (13).

3. The mobile hydraulic lifting work platform according to claim 2, characterized in that: A pull rod (16) is fixedly connected to one side of the inclined surface block (15), and the pull rod (16) is slidably connected to the fixed side box (14). A spring (17) is symmetrically arranged inside the fixed side box (14), one end of the spring (17) is fixedly connected to the fixed side box (14), and the other end of the spring (17) is fixedly connected to the inclined surface block (15).

4. The mobile hydraulic lifting work platform according to claim 1, characterized in that: The top of the support base (3) is symmetrically fixed with a No. 1 limit frame (6), the outer side of the No. 2 rotating support plate (5) is provided with a No. 1 moving wheel (8) that cooperates with the No. 1 limit frame (6) through a rotating shaft, and the bottom of the support platform (1) is symmetrically fixed with a No. 2 limit frame (7), and the outer side of the No. 1 rotating support plate (4) is provided with a No. 2 moving wheel (9) that cooperates with the No. 2 limit frame (7).

5. The mobile hydraulic lifting work platform according to claim 1, characterized in that: A plurality of universal wheels (21) are installed at the bottom of the supporting base frame (3).

6. The mobile hydraulic lifting work platform according to claim 1, characterized in that: A guardrail (2) is provided on the top of the support platform (1).