Multi-mast lifting platform with self-locking function

Abstract

The utility model relates to the technical field of hydraulic lifting workbench equipment, and discloses a multi-mast lifting platform with a self-locking function, which comprises a bottom supporting platform and a main body structure, the top of the bottom supporting platform is fixedly connected with the main body structure, the main body structure comprises a hydraulic station, one side of the hydraulic station is provided with a hydraulic oil cylinder, and the hydraulic oil cylinder is fixedly connected with the bottom supporting platform. The top of the hydraulic oil cylinder is fixedly connected with a multi-mast lifting mechanism, a lifting instruction is triggered manually or automatically, and the hydraulic station starts the hydraulic oil cylinder to drive the mast lifting mechanism to ascend and descend. After a stop instruction is triggered manually or automatically, the hydraulic station check electromagnetic valve is started to keep the position of the hydraulic oil cylinder, then the pneumatic electromagnetic valve is opened for ventilation, and the pneumatic self-locking clamp is ventilated for self-locking; after a descending instruction is manually or automatically triggered, the pneumatic electromagnetic valve is closed and exhausts air, the pneumatic self-locking clamp exhausts air and opens self-locking, the hydraulic station check electromagnetic valve is powered off and releases pressure, and the hydraulic oil cylinder drives the multi-mast lifting mechanism to slowly descend, so that the working platform ascends and descends gently, stably and reliably.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic lifting workbench equipment, in particular to a multi-mast lifting platform with a self-locking function. Background Technique

[0002] Lifting platforms are widely used in various industrial enterprises and production lines such as automobiles, mold manufacturing, and woodworking, meeting the lifting requirements of different working heights. They have the characteristics of stable and accurate lifting, frequent start-up, and large load capacity, effectively solving the difficulties of various lifting operations in industrial enterprises and being an important tool for easy production operations. However, the traditional lifting platform has uneven force on the lifting platform and poor stability.

[0003] Therefore, in order to meet the construction stability after the lifting of the bolting equipment, we propose a multi-mast lifting platform with a self-locking function. Content of the Utility Model

[0004] The purpose of the utility model is to provide a multi-mast lifting platform with a self-locking function to solve the problems raised in the above background technique.

[0005] To solve the above technical problems, the utility model provides the following technical solution: A multi-mast lifting platform with a self-locking function, including a bottom support platform and a main structure, and the main structure is fixedly connected to the top of the bottom support platform;

[0006] The main structure includes a hydraulic station, a hydraulic cylinder is arranged on one side of the hydraulic station, a multi-mast lifting mechanism is fixedly connected to the top of the hydraulic cylinder, an upper limit sensor is fixedly connected to the upper end of the outer wall of the multi-mast lifting mechanism, a lower limit sensor is fixedly connected to the lower end of the outer wall of the multi-mast lifting mechanism, a pneumatic self-locking clamp is arranged on the top of the multi-mast lifting mechanism, a roller chain module is installed inside the multi-mast lifting mechanism, and a working platform is fixedly connected to the top of the multi-mast lifting mechanism.

[0007] Preferably, three groups of the multi-mast lifting mechanisms are provided, two groups of the multi-mast lifting mechanisms are designed at the left end of the top of the bottom support platform, and the other group of the multi-mast lifting mechanism is designed at the right end of the top of the bottom support platform.

[0008] Preferably, mast lifting mechanism connecting plates are fixedly connected to both the upper and lower ends of the outer wall of the multi-mast lifting mechanism, and the left two groups of the multi-mast lifting mechanisms are fixedly connected through the mast lifting mechanism connecting plates at the lower ends of the outer walls.

[0009] Preferably, a mast lifting mechanism fixing rod is fixedly connected to the outer wall of the multi-mast lifting mechanism, and one end of the mast lifting mechanism fixing rod away from the multi-mast lifting mechanism is fixedly connected to the top of the bottom support platform.

[0010] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: by manually or automatically triggering a raising instruction, the hydraulic station starts the hydraulic cylinder to drive the mast lifting mechanism to lift; after manually or automatically triggering a stop instruction, the check valve solenoid valve of the hydraulic station is activated to maintain the position of the hydraulic cylinder, and then the pneumatic solenoid valve is opened to ventilate, and the pneumatic self-locking clamp is ventilated and self-locked; after manually or automatically triggering a lowering instruction, the pneumatic solenoid valve is closed and exhausted, the pneumatic self-locking clamp is exhausted and unlocked, the check valve solenoid valve of the hydraulic station is de-energized to relieve pressure, and the hydraulic cylinder drives the multi-mast lifting mechanism to slowly lower, so that the working platform lifts smoothly, stably and reliably. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall left-side structure of the utility model.

[0012] Figure 2 It is a schematic diagram of the overall right-side structure of the utility model.

[0013] Figure 3 For the utility model Figure 1 An enlarged schematic diagram of the structure at position A.

[0014] Figure 4 It is a schematic plan view of the overall front structure of the utility model.

[0015] Wherein: 1. Bottom support platform; 2. Main body structure; 201. Hydraulic station; 202. Hydraulic cylinder; 203. Multi-mast lifting mechanism; 204. Upper limit sensor; 205. Lower limit sensor; 206. Pneumatic self-locking clamp; 207. Roller chain module; 208. Working platform; 209. Connecting plate of mast lifting mechanism; 210. Fixed rod of mast lifting mechanism. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0017] Next, a more detailed description will be given of the specific implementation manner of the present utility model in conjunction with the accompanying drawings.

[0018] The specific implementation manner is as Figures 1-4 shown. A multi-mast lifting platform with a self-locking function includes a bottom support platform 1 and a main body structure 2, and the top of the bottom support platform 1 is fixedly connected to the main body structure 2;

[0019] The main body structure 2 includes a hydraulic station 201. A hydraulic cylinder 202 is arranged on one side of the hydraulic station 201. A multi-mast lifting mechanism 203 is fixedly connected to the top of the hydraulic cylinder 202. An upper limit sensor 204 is fixedly connected to the upper end of the outer wall of the multi-mast lifting mechanism 203. A lower limit sensor 205 is fixedly connected to the lower end of the outer wall of the multi-mast lifting mechanism 203. A pneumatic self-locking clamp 206 is arranged at the top of the multi-mast lifting mechanism 203. A roller chain module 207 is installed inside the multi-mast lifting mechanism 203. A working platform 208 is fixedly connected to the top of the multi-mast lifting mechanism 203.

[0020] There are three groups of multi-mast lifting mechanisms 203. Two groups of multi-mast lifting mechanisms 203 are designed at the left end of the top of the bottom support platform 1, and the other group of multi-mast lifting mechanisms 203 is designed at the right end of the top of the bottom support platform 1.

[0021] Lifting mechanism connection plates 209 are fixedly connected to both the upper and lower ends of the outer wall of the multi-mast lifting mechanism 203. The two groups of multi-mast lifting mechanisms 203 on the left are fixedly connected through the lifting mechanism connection plates 209 at the lower ends of their outer walls.

[0022] A lifting mechanism fixed rod 210 is fixedly connected to the outer wall of the multi-mast lifting mechanism 203. One end of the lifting mechanism fixed rod 210 away from the multi-mast lifting mechanism 203 is fixedly connected to the top of the bottom support platform 1.

[0023] Through the above technical solution, by manually or automatically triggering a lifting instruction, the hydraulic station 201 starts the hydraulic cylinder 202 to drive the multi-mast lifting mechanism 203 to lift; by arranging the upper limit sensor 204 and the lower limit sensor 205 at the upper and lower ends of the multi-mast lifting mechanism 203, it is ensured to limit the upper and lower movement limit positions of the multi-mast lifting mechanism 203. After manually or automatically triggering a stop instruction, the check valve solenoid valve of the hydraulic station 201 starts to maintain the position of the hydraulic cylinder 202. Subsequently, the pneumatic solenoid valve is opened to ventilate, and the pneumatic self-locking clamp 206 is locked by ventilation; after manually or automatically triggering a lowering instruction, the pneumatic solenoid valve is closed and exhausted, the pneumatic self-locking clamp 206 is exhausted to unlock, the check valve solenoid valve of the hydraulic station 201 is powered off to relieve pressure, and the hydraulic cylinder 202 drives the multi-mast lifting mechanism 203 to slowly lower.

[0024] Although the specific embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these specific embodiments without departing from the principle and spirit. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-mast lifting platform with a self-locking function, comprising a bottom support platform (1) and a main structure (2), characterized in that: The top of the bottom support platform (1) is fixedly connected to the main structure (2); The main structure (2) includes a hydraulic station (201). One side of the hydraulic station (201) is provided with a hydraulic cylinder (202). The top of the hydraulic cylinder (202) is fixedly connected to a multi-mast lifting mechanism (203). The upper end of the outer wall of the multi-mast lifting mechanism (203) is fixedly connected to an upper limit sensor (204). The lower end of the outer wall of the multi-mast lifting mechanism (203) is fixedly connected to a lower limit sensor (205). The top of the multi-mast lifting mechanism (203) is provided with a pneumatic self-locking clamp (206). A roller chain module (207) is installed inside the multi-mast lifting mechanism (203). The top of the multi-mast lifting mechanism (203) is fixedly connected to a working platform (208).

2. The multi-mast lifting platform with a self-locking function according to claim 1, characterized in that: There are three groups of the multi-mast lifting mechanisms (203). Two groups of the multi-mast lifting mechanisms (203) are designed at the left end of the top of the bottom support platform (1), and the other group of the multi-mast lifting mechanisms (203) is designed at the right end of the top of the bottom support platform (1).

3. A multi-mast lifting platform with a self-locking function according to claim 1, characterized in that: Both the upper and lower ends of the outer wall of the multi-mast lifting mechanism (203) are fixedly connected to a mast lifting mechanism connecting plate (209). The two left-side groups of the multi-mast lifting mechanisms (203) are fixedly connected through the mast lifting mechanism connecting plates (209) at the lower ends of the outer walls.

4. A multi-mast lifting platform with a self-locking function according to claim 1, characterized in that: The outer wall of the multi-mast lifting mechanism (203) is fixedly connected to a mast lifting mechanism fixing rod (210). One end of the mast lifting mechanism fixing rod (210) far from the multi-mast lifting mechanism (203) is fixedly connected to the top of the bottom support platform (1).

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