Pneumatic balancing device for lifting mechanism

Abstract

The pneumatic balancing device for the lifting mechanism comprises a mounting plate, a fixing plate and a lifting frame, a fixing cylinder is fixedly connected into the mounting plate, the outer surface of the fixing cylinder is in sliding connection with the interior of the lifting frame, a rotating rod is rotatably connected to the bottom in the fixing cylinder, the upper end of the rotating rod extends to the exterior of the fixing cylinder, and the lower end of the rotating rod is fixedly connected with the fixing plate. An auxiliary cylinder is arranged outside the rotating rod, an adjusting disc is fixedly connected to the outside of the rotating rod, two pull rods are slidably connected to the side face of the adjusting disc, mounting cylinders are fixedly connected to the ends, away from the adjusting disc, of the two pull rods, and the outer surfaces of the two mounting cylinders are slidably connected with the interior of the auxiliary cylinder. And first springs are fixedly connected to the inner walls of the two mounting cylinders, so that a worker can replace the mounting plate conveniently, different types of components can be mounted conveniently, the application range of the device is widened, the mounting plate is reinforced after being mounted, a rotating rod is prevented from rotating due to external force interference, and the mounting stability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic balance device technical field, concretely is a kind of for lifting mechanism's pneumatic balance device. BACKGROUND

[0002] Lifting mechanism can effectively reduce the workload of staff when lifting goods, a driving cylinder and guide rail are provided on the general mechanism, the mechanism is driven by the driving cylinder to lift on the guide rail, labor is saved, and balance is particularly important during lifting, which is an important factor for stable lifting.

[0003] The "pneumatic balance device for lifting mechanism" described in patent application number "202123363470.9" provides stable support and lifting action for the mechanism mounting bracket by setting symmetrical guide rails and driving cylinders corresponding to the mechanism mounting bracket on the fixed cabinet. The stable slide rod and stable sliding block further enhance the mounting stability of the mechanism mounting bracket. In addition, the mechanism mounting bracket and the fixed cabinet are both provided with a plurality of fixed holes and mounting openings, which facilitate the fixation and installation of other parts and enhance the practicality.

[0004] However, the applicant believes that the device has the following problems when in use. The mechanism mounting bracket is fixedly installed, and the range of installing other components through the mechanism mounting bracket is narrow, which limits the use. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of for lifting mechanism's pneumatic balance device, solve the problem that mechanism mounting bracket is fixedly installed, and the range of installing other components through the mechanism mounting bracket is narrow, which limits the use.

[0006] To achieve the above-mentioned purpose, a pneumatic balance device for lifting mechanism is provided, which comprises: a mounting plate, a fixed plate and a lifting frame. The inside of the mounting plate is fixedly connected with a fixed cylinder. The outer surface of the fixed cylinder is slidingly connected with the inside of the lifting frame. The inside bottom of the fixed cylinder is rotatably connected with a rotating rod. The upper end of the rotating rod extends to the outside of the fixed cylinder. An auxiliary cylinder is arranged on the outside of the rotating rod. The outside of the rotating rod is fixedly connected with an adjusting disc. Two pull rods are slidingly connected with the side surface of the adjusting disc. The ends of the two pull rods away from the adjusting disc are fixedly connected with mounting cylinders. The outer surfaces of the two mounting cylinders are slidingly connected with the inside of the auxiliary cylinder. First springs are fixedly connected with the inner walls of the two mounting cylinders. Fixed rods are fixedly connected with the ends of the two first springs. The ends of the two fixed rods away from the first springs extend to the outside of the fixed cylinder. This facilitates the replacement of the mounting plate by the staff and the installation of different models of components, thereby increasing the application range of the device.

[0007] The second spring is fixedly connected inside the fixed cylinder, the end of the second spring is fixedly connected with the inserting rod, the end of the inserting rod away from the second spring is slidably connected with the rotating rod, the rotating rod is rotatably connected inside the fixed cylinder, the lower end of the poking rod is attached to the side of the inserting rod to provide reinforcement after the mounting plate is mounted, prevent the rotating rod from rotating due to external force interference, and increase the mounting stability of the device.

[0008] According to the air balance device for the lifting mechanism, the insertion hole formed in the side of the rotating rod is located in the same vertical plane as the long axis of the adjusting disc, when the pull rod is located at the end of the long axis of the adjusting disc, the insertion hole on the rotating rod can be just opposite to the inserting rod, so that the inserting rod can be fixed to the rotating rod conveniently.

[0009] According to the air balance device for the lifting mechanism, the side of the fixed plate is connected with two limiting sliding rods, the two limiting sliding rods are symmetrically arranged, the outer sides of the two limiting sliding rods are slidably connected with limiting blocks, and the sides of the two limiting blocks are fixedly connected with the side of the lifting frame, so that the lifting frame can be lifted conveniently and the stability is increased.

[0010] According to the air balance device for the lifting mechanism, the side of the fixed plate is fixedly connected with a sliding rail, the outer side of the sliding rail is provided with a sliding block, and the side of the sliding block is fixedly connected with the side of the lifting frame, so that the lifting is facilitated.

[0011] According to the air balance device for the lifting mechanism, the two sides of the fixed plate are fixedly connected with two horizontal plates, the two horizontal plates are symmetrically arranged, the upper surfaces of the two horizontal plates are fixedly connected with two drive air cylinders, and the output ends of the two drive air cylinders are fixedly connected with the side of the lifting frame, so that power is provided by the drive air cylinders.

[0012] According to the air balance device for the lifting mechanism, the side of the mounting plate is provided with a plurality of mounting round holes, and the side of the fixed plate is provided with a plurality of through holes, so that other components can be mounted conveniently, and the practicability is increased.

[0013] According to the air balance device for the lifting mechanism, one end of the rotating rod extending to the outside of the fixed cylinder is fixedly connected with a rotating cap, the upper surface of the rotating cap is fixedly connected with a direction indicating rod, the direction indicating rod is parallel to the long axis of the adjusting disc, the rotating state of the rotating disc can be known through the direction indicating rod, and meanwhile, the insertion slot on the rotating rod can be aligned with the inserting rod.

[0014] According to the air balance device for the lifting mechanism, the upper surface of the lifting frame is provided with two mounting grooves, the shape and size of the mounting grooves are matched with the shape and size of the fixed cylinder, and the mounting plate can be mounted conveniently.

[0015] Compared with the prior art, the air balance device for the lifting mechanism has the following beneficial effects:

[0016] 1、When the replacement is completed, the insertion rod can be pushed to slide by the second spring, so as to fix the rotating rod, increase the stability after the installation plate is installed, when disassembly is needed, the insertion rod can be compressed by the second spring by rotating the driving rod, so as to release the fixation.

[0017] 2、Then the rotating rod and the adjusting disc are rotated, the pull rod is pulled by the oval adjusting disc, the installation cylinder is pulled, the fixed rod is not limited and fixed, so that convenient disassembly is realized, when installation is needed, the installation cylinder is reset, the fixed rod is pushed to compress the first spring, the fixed cylinder is inserted into the lifting frame, and convenient installation is realized.

[0018] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further explained in connection with the drawings and examples;

[0020] Figure 1 It is a perspective view of a kind of pneumatic balancing device for lifting mechanism of the utility model;

[0021] Figure 2 It is the internal structure diagram of the fixed cylinder of a kind of pneumatic balancing device for lifting mechanism of the utility model;

[0022] Figure 3 It is the sectional view of the fixed cylinder of a kind of pneumatic balancing device for lifting mechanism of the utility model;

[0023] Figure 4 It is a kind of pneumatic balancing device for lifting mechanism of the utility model Figure 3 It is the enlarged view of A in the middle;

[0024] Figure 5 It is the sectional view of the installation box of a kind of pneumatic balancing device for lifting mechanism of the utility model.

[0025] In the drawing: 1, fixed plate;2, limit slide;3, limit block;4, drive cylinder;5, cross plate;6, slide rail;7, lifting frame;8, sliding block;9, installation round hole;10, fixed cylinder;11, installation cylinder;12, fixed rod;13, first spring;14, rotating rod;15, pull rod;16, adjusting disc;17, insertion rod;18, driving rod;19, second spring;20, installation plate;21, auxiliary cylinder;22, rotating cap. DETAILED DESCRIPTION

[0026] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0027] Please refer to Figures 1-5 The present embodiment provides a technical solution: a pneumatic balancing device for a lifting mechanism, comprising: a mounting plate 20, a fixed plate 1 and a lifting frame 7, the mounting plate 20 is fixedly connected with a fixed cylinder 10 inside, facilitating installation, the outer surface of the fixed cylinder 10 is slidingly connected with the inside of the lifting frame 7, the inner bottom of the fixed cylinder 10 is rotatably connected with a rotating rod 14, facilitating the position of the installation cylinder 11 to move, the upper end of the rotating rod 14 extends to the outside of the fixed cylinder 10, an auxiliary cylinder 21 is arranged outside the rotating rod 14, the auxiliary cylinder 21 is used for limiting the movement of the installation cylinder 11, the rotating rod 14 is fixedly connected with an adjusting disc 16 outside, the long axis and the short axis of the oval adjusting disc 16 are used for realizing the movement of the installation cylinder 11, two pull rods 15 are slidingly connected with the side surface of the adjusting disc 16, and the two pull rods 15 are used for pulling the installation cylinder 11 to move, one end of the two pull rods 15 away from the adjusting disc 16 is fixedly connected with the installation cylinder 11, the outer surfaces of the two installation cylinders 11 are slidingly connected with the inside of the auxiliary cylinder 21, the inner walls of the two installation cylinders 11 are fixedly connected with first springs 13, and the end portions of the two first springs 13 are fixedly connected with fixed rods 12, one end of the two fixed rods 12 away from the first springs 13 extends to the outside of the fixed cylinder 10.

[0028] The inside of the fixed cylinder 10 is fixedly connected with a second spring 19, which is used for automatic reset, the end portion of the second spring 19 is fixedly connected with a plug rod 17, which is used for fixing the position of the rotating rod 14, one end of the plug rod 17 away from the second spring 19 is slidingly connected with the inside of the rotating rod 14, the inside of the fixed cylinder 10 is rotatably connected with a poking rod 18, the poking rod 18 is used for releasing the fixation, and the lower end of the poking rod 18 is attached to the side surface of the plug rod 17.

[0029] The adjusting disc 16 is oval, the insertion hole on the side of the rotating rod 14 is in the same vertical plane with the long axis of the adjusting disc 16, the insertion hole on the rotating rod 14 is aligned with the insertion rod 17, the two limiting slide rods 2 are connected to the side of the fixed plate 1 and are used for limiting, the two limiting slide rods 2 are symmetrically arranged, the two limiting slide rods 2 are both slidably connected with the limiting blocks 3, the two limiting blocks 3 are both fixedly connected with the lifting frame 7, the slide rail 6 is fixedly connected to the side of the fixed plate 1 and is used for limiting the sliding track, the slide block 8 is arranged on the outside of the slide rail 6 and is fixedly connected with the side of the lifting frame 7, the two horizontal plates 5 are fixedly connected to the two sides of the fixed plate 1 and provide mounting bases, the two horizontal plates 5 are symmetrically arranged, the two horizontal plates 5 are both fixedly connected with the driving cylinders 4, the two driving cylinders 4 are both fixedly connected with the side of the lifting frame 7, the mounting plate 20 is provided with a plurality of mounting round holes 9 on the side and is used for mounting other components, the fixed plate 1 is provided with a plurality of through holes on the side, the rotating rod 14 is fixedly connected with the rotating cap 22 at the end extending to the outside of the fixed cylinder 10, the rotating cap 22 is fixedly connected with the direction rod on the upper surface and is parallel to the long axis of the adjusting disc 16, the rotating state of the adjusting disc 16 is known, and the two mounting grooves are arranged on the upper surface of the lifting frame 7 and are matched with the shape and size of the fixed cylinder 10.

[0030] Working principle: in use, the device is installed in a suitable position, then the mounting round holes 9 on the mounting plate 20 are used to install other components, the two driving cylinders 4 are started synchronously, the lifting frame 7 is driven to lift, the stability of the lifting frame 7 is increased through the slide rail 6, the balance and stability of the device are further increased through the limiting slide rod 2, when other components are needed to be installed, the insertion rod 17 is pushed to compress the second spring 19 through the rotating rod 18, so that the rotating rod 14 is not limited, then the rotating rod 14 and the adjusting disc 16 are rotated, the fixed rod 12 is not limited through the oval adjusting disc 16, the pull rod 15 and the mounting cylinder 11, so that the device is conveniently disassembled, when the device is needed to be installed, the mounting cylinder 11 is reset, the fixed rod 12 is pushed to compress the first spring 13, the fixed cylinder 10 is inserted into the lifting frame 7, and the device is conveniently installed, the installation is more firm through the insertion rod 17.

[0031] The above describes the embodiments of the utility model in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A pneumatic balancing device for a lifting mechanism, comprising: The mounting plate (20), the fixing plate (1), and the lifting frame (7) are characterized in that a fixing cylinder (10) is fixedly connected inside the mounting plate (20), the outer surface of the fixing cylinder (10) is slidably connected to the inside of the lifting frame (7), a rotating rod (14) is rotatably connected to the bottom of the fixing cylinder (10), the upper end of the rotating rod (14) extends to the outside of the fixing cylinder (10), an auxiliary cylinder (21) is provided outside the rotating rod (14), and an adjusting disc (16) is fixedly connected outside the rotating rod (14). Two pull rods (15) are slidably connected to the side of the disc (16). The ends of the two pull rods (15) away from the adjusting disc (16) are fixedly connected to the mounting cylinder (11). The outer surfaces of the two mounting cylinders (11) are slidably connected to the inside of the auxiliary cylinder (21). The inner walls of the two mounting cylinders (11) are fixedly connected to the first spring (13). The ends of the two first springs (13) are fixedly connected to the fixing rods (12). The ends of the two fixing rods (12) away from the first springs (13) extend to the outside of the fixing cylinder (10). The fixed cylinder (10) is fixedly connected to the second spring (19), and the end of the second spring (19) is fixedly connected to the insertion rod (17). The end of the insertion rod (17) away from the second spring (19) is slidably connected to the inside of the rotating rod (14). The fixed cylinder (10) is rotatably connected to the actuating rod (18), and the lower end of the actuating rod (18) is in contact with the side of the insertion rod (17).

2. The pneumatic balancing device for a lifting mechanism as described in claim 1, characterized in that: The adjustment disc (16) is elliptical, and the insertion hole on the side of the rotating rod (14) is on the same vertical plane as the long axis of the adjustment disc (16).

3. A pneumatic balancing device for a lifting mechanism as described in claim 1, characterized in that: The fixed plate (1) is connected to two limiting slide rods (2) on its side. The two limiting slide rods (2) are symmetrically arranged. The two limiting slide rods (2) are slidably connected to limiting blocks (3) on their outside. The sides of the two limiting blocks (3) are fixedly connected to the sides of the lifting frame (7).

4. A pneumatic balancing device for a lifting mechanism as described in claim 1, characterized in that: The fixed plate (1) is fixedly connected to the slide rail (6) on the side, and the slide rail (6) is provided with a slider (8) on the outside. The side of the slider (8) is fixedly connected to the side of the lifting frame (7).

5. A pneumatic balancing device for a lifting mechanism as described in claim 1, characterized in that: The fixed plate (1) is fixedly connected to the horizontal plate (5) on both sides. The two horizontal plates (5) are symmetrically arranged. The upper surfaces of the two horizontal plates (5) are fixedly connected to the driving cylinder (4). The output ends of the two driving cylinders (4) are fixedly connected to the side of the lifting frame (7).

6. A pneumatic balancing device for a lifting mechanism as described in claim 1, characterized in that: The mounting plate (20) has multiple mounting holes (9) on its side, and the fixing plate (1) has multiple through holes on its side.

7. A pneumatic balancing device for a lifting mechanism as described in claim 1, characterized in that: The rotating rod (14) extends to one end outside the fixed cylinder (10) and is fixedly connected to the rotating cap (22). The upper surface of the rotating cap (22) is fixedly connected to the directional rod, and the directional block is parallel to the long axis of the adjusting plate (16).

8. A pneumatic balancing device for a lifting mechanism as described in claim 1, characterized in that: The upper surface of the lifting frame (7) has two mounting slots, the shape and size of which match the shape and size of the fixed cylinder (10).

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