A new type of cylinder self-propelled circulating filling device

By designing a self-propelled circulating filling device for gas cylinders, automated positioning and buffer protection of gas cylinders are achieved, solving the safety hazards and low efficiency of manual operation in existing technologies, and realizing efficient and safe gas cylinder filling operations.

CN117704268BActive Publication Date: 2025-12-26DAQING TENGYUN SPORTS CO LTD
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Patent Information

Application Number
CN202410097428.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-01-24
Publication Date
2025-12-26
Estimated Expiration
2044-01-24

AI Technical Summary

Technical Problem

Existing gas cylinder filling methods require a large amount of manual operation, which poses safety hazards, is inefficient, and cannot meet the needs of large-scale filling operations.

Method used

A novel self-propelled circulating filling device for gas cylinders is designed. It utilizes components such as a transmission belt, position sensor, electric baffle, and fixing frame to achieve automated transportation and positioning of gas cylinders. Combined with buffer protection and automated control, it avoids manual operation.

Benefits of technology

It improves the efficiency and safety of filling operations, reduces labor costs, adapts to the needs of large-volume filling operations, and avoids accidents and safety hazards caused by manual operation.

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Abstract

The application relates to a gas cylinder filling technical field, and provides a novel gas cylinder self-walking type circulating filling device, which comprises a device main body, a gas storage tank and a gas cylinder, a fixing frame for mounting the gas cylinder is arranged above the device main body, a transmission belt for transporting the gas cylinder is arranged in the device main body, a convex ridge strip is arranged on the outer side of the transmission belt, an upper support for keeping the gas cylinder transportation stable is arranged at the upper end inner ring position of the device main body, and a position sensor for sensing the gas cylinder transmission position so that the gas cylinder can be placed to a predetermined position is further arranged above the device main body. The novel gas cylinder self-walking type circulating filling device can realize the circulating filling operation without manual transportation of the gas cylinder and operation of the filling device, greatly improves the work efficiency and saves the cost, the circulating transportation and filling operation is stably carried out, accidents during manual operation can be effectively avoided, the safety performance of the filling operation is guaranteed, and the novel gas cylinder self-walking type circulating filling device is beneficial to large-batch filling operation and meets the high-efficiency requirement.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of gas cylinder filling, more particularly to a novel gas cylinder self-propelled circulating filling device. BACKGROUND

[0002] A gas cylinder refers to a kind of pressure vessel with a bottle-shaped main structure, generally filled with gas (which can be compressed gas, liquefied gas, dissolved and adsorbed gas, etc.), and is movable. Gas cylinders are widely used in both production and life fields. As a kind of pressure equipment, they have explosive hazards, and their filled media generally have flammable, explosive, toxic, and strong corrosive properties. The use environment is more complex and harsh than other pressure vessels due to their mobility, repeated filling, non-fixed operation personnel, and changing use environment. Once a gas cylinder explodes or leaks, it often causes fires or poisoning, and even catastrophic accidents, resulting in serious property damage, personnel casualties, and environmental pollution.

[0003] The existing gas cylinder needs to be transported and placed at the predetermined position by a fixed frame through manual pre-filling before filling, and then filled through a gas storage tank.

[0004] Currently, in the existing filling method, a large amount of manpower is required, and manual operation has certain errors and operation accidents, which can easily cause safety accidents. In addition, the efficiency is low, and it cannot adapt to large-scale filling operations. Therefore, the manual filling method cannot meet the current filling operation requirements.

[0005] To solve the above problems, a novel gas cylinder self-propelled circulating filling device is proposed in the present application. SUMMARY

[0006] The present application aims to provide a novel gas cylinder self-propelled circulating filling device to solve the problems in the prior art.

[0007] The object of the present application can be achieved by the following technical solutions:

[0008] The utility model provides a new type of cylinder self -propelled type circulating filling device, including equipment main part, gas storage tank and cylinder, the top of equipment main part is provided with the fixed frame for installing cylinder, the inside of equipment main part is provided with the transmission belt for transporting cylinder, the outside of transmission belt is provided with the convex convex ridge, the inside circle position of equipment main part's upper end is provided with the upper support of keeping cylinder transportation stable, the top of equipment main part is also provided with the position sensor for inductive cylinder transmission position makes it can be placed to predetermined position, the side of gas storage tank is provided with the electric baffle for automatic resistance to the bottom of fixed frame, the electric baffle is triggered to switch and sends out the alarm when inductive to position sensor failure and resists the fixed frame, the bottom of fixed frame is provided with the buffer seat for forming the buffer protection to cylinder, the upper end of buffer seat is provided with the limiting ring frame for forming the secondary protection to cylinder and avoiding the appearance of shaking when transporting, the lower end of fixed frame is provided with the soft convex plate of butt joint convex ridge, the both ends of soft convex plate can be bent and adapt the amplitude of convex ridge, the both sides of lower end of fixed frame are provided with the side plate for resistance to transmission belt and form the support, the upper end of limiting ring frame is provided with the guide ring for automatic cylinder bottom guide and forms the positioning.

[0009] Further, the outside of the upper support is provided with a positioning clamping groove, the outside of the fixed frame is provided with a protruding support column, one end of the support column is provided with a positioning ball for sliding connection with the positioning clamping groove, the upper and lower outer walls of the support column abut against the upper and lower inner walls of the opening of the positioning clamping groove.

[0010] Further, the inside of one side of the fixed frame is provided with a boss for abutting against the cylinder to form side buffer protection, the upper end of one side of the fixed frame is provided with a protruding support plate.

[0011] Further, the inside of the boss is provided with a pull rope connected with the limiting ring frame, the pull rope is used to drive the limiting ring frame to move up and down to different positions to exert protection function on the cylinder.

[0012] Further, a sliding groove is formed in one side of the bottom of the fixed frame, the soft convex plate automatically corresponds to the arc of the sliding groove when bending, and the inside of the side plate on one side of the bottom of the fixed frame is provided with an elastic telescopic column for pushing the both ends of the soft convex plate out to convert it to a flat state.

[0013] Further, the both ends of the soft convex plate are provided with positioning columns for sliding connection in the inside of the sliding groove, and the middle position of the soft convex plate is fixedly connected with the fixed frame.

[0014] Further, a slide is formed in one side of the soft convex plate, and a sliding block is slidingly installed in the inside of the slide.

[0015] Further, the elastic telescopic column is provided with a ring at both ends for rotationally connecting with adjacent mechanisms, and one end of the elastic telescopic column is rotationally connected with the sliding block through the ring.

[0016] Further, the inner side of the limiting ring holder is provided with a ball bearing for preventing tilting and jamming during movement.

[0017] Further, the lower end of the pull rope is provided with a pull ring, and the lower end of the support plate is provided with a positioning rod for hanging the pull ring to fix the limiting ring holder.

[0018] The beneficial effects of the present application are:

[0019] 1. By arranging the gas storage tank at one end of the device main body, the gas cylinder can be directly installed in the inner part of the fixing frame for transportation, and after positioning at the predetermined position by the position sensor, the filling operation can be directly performed, and then the transportation continues, and when the next gas cylinder reaches the predetermined position, the filled gas cylinder can be removed during the filling operation to form a cycle. After this treatment, the labor cost can be greatly reduced, the work efficiency can be improved, the time consumption can be reduced, the safety during the filling operation can be ensured, the large-scale filling operation can be facilitated, and the secondary limiting can be formed by using the electric baffle to prevent the failure of the position sensor and timely alarm.

[0020] 2. When the gas cylinder is installed in the inner part of the fixing frame, the bottom of the gas cylinder can be directly positioned in the inner part of the limiting ring holder and abutted against the buffer seat to form a buffer protection after being guided by the guide ring. Then, the limiting ring holder can be pulled up by sleeving the pull ring on the outer side of the positioning rod to form secondary protection at the adjacent intermediate position of the gas cylinder, so as to avoid tilting and shaking during transportation, ensure the stability of the transportation operation and the balance of the internal gas pressure, and avoid the safety hidden danger caused by shaking during manual transportation.

[0021] 3. When transporting the gas cylinder, the soft convex plate and the convex ridge strip are connected by clamping, so that when passing through a section of transmission belt, the soft convex plate can be directly connected to the adjacent convex ridge strip. At this time, one end of the soft convex plate is automatically bent to adapt to the radius of the transportation route, and when the other end of the adjacent straight convex ridge strip is straight, the soft convex plate is pushed to a straight state by the elastic telescopic column, so that it can be circularly connected to the straight and arc convex ridge strips. After this treatment, the manual transportation situation can be eliminated, the transportation efficiency and the subsequent filling efficiency can be improved, and the high-efficiency filling operation demand can be met.

[0022] 4、The present application can install the fixed frame on the top of the transmission belt in advance when transporting the gas cylinder, at this time, the positioning ball is inserted into the inside of the positioning slot and is limited by the opening inner wall of the support, the fixed frame can be supported, and the vertical state of the fixed frame during transportation is kept, the gas cylinder can be transported stably without manual support, the stability of the internal gas is ensured, the circulation type filling operation is used, the cost output is greatly reduced, and the efficiency of the gas cylinder filling operation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, for those skilled in the art, other drawings can also be obtained based on these drawings without creative labor.

[0024] Figure 1 It is an overall appearance structure schematic diagram of the present application;

[0025] Figure 2 It is an equipment body internal part structure schematic diagram in the present application; Figure 1

[0026] Figure 3 It is a fixed frame and upper support exploded part structure schematic diagram in the present application; Figure 1

[0027] Figure 4 It is a fixed frame internal part structure schematic diagram in the present application; Figure 1

[0028] Figure 5 It is a fixed frame bottom part structure schematic diagram in the present application; Figure 1

[0029] Figure 6 It is a soft convex plate part structure schematic diagram in the present application; Figure 1

[0030] Figure 7 It is an elastic telescopic column part structure schematic diagram in the present application; Figure 1

[0031] Figure 8 It is an A part local amplification structure schematic diagram in the present application; Figure 4

[0032] Figure 9 It is a B part local amplification structure schematic diagram in the present application; Figure 4

[0033] In the drawings, the component list represented by each mark is as follows:

[0034] ​​​​​​​​In the figure: 1, device main body; 2, gas storage tank; 3, gas cylinder; 4, fixing frame; 5, transmission belt; 6, convex strip; 7, upper support; 8, position sensor; 9, electric baffle; 10, buffer seat; 11, limiting ring frame; 12, soft convex plate; 13, side plate; 14, guide ring; 15, positioning slot; 16, boss; 17, support plate; 18, support column; 19, positioning ball; 20, pull rope; 21, sliding groove; 22, elastic telescopic column; 23, positioning column; 24, slide; 25, sliding block; 26, ring sleeve; 27, ball; 28, pull ring; 29, positioning rod. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below in combination with specific examples. It should be understood that the specific examples described herein are only used to explain the present application and are not used to limit the present application. Based on the examples in the present application, all other examples obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.

[0036] For details, please refer to Figures 1-3 A new type of gas cylinder self-propelled circulating filling device, comprising a device main body 1, a gas storage tank 2 and a gas cylinder 3, the upper portion of the device main body 1 is provided with a fixing frame 4 for mounting the gas cylinder 3, the inside of the device main body 1 is provided with a transmission belt 5 for transporting the gas cylinder 3, the outside of the transmission belt 5 is provided with a convex strip 6, the upper end inner ring position of the device main body 1 is provided with an upper support 7 for keeping the gas cylinder 3 stable during transportation, the upper portion of the device main body 1 is further provided with a position sensor 8 for sensing the transportation position of the gas cylinder 3 so that it can be placed to a predetermined position, one side of the gas storage tank 2 is provided with an electric baffle 9 for automatically abutting against the bottom of the fixing frame 4, the electric baffle 9 automatically triggers the switch to abut against the fixing frame 4 and sends out an alarm when the position sensor 8 fails to sense, the bottom of the fixing frame 4 is provided with a buffer seat 10 for forming a buffer protection for the gas cylinder 3, the upper end of the buffer seat 10 is provided with a limiting ring frame 11 for forming a secondary protection for the gas cylinder 3 to avoid shaking during transportation, the lower end of the fixing frame 4 is provided with a soft convex plate 12 for abutting against the convex strip 6, the two ends of the soft convex plate 12 can automatically bend to adapt to the curvature of the convex strip 6, the lower end of the fixing frame 4 is provided with a side plate 13 on both sides for abutting against the transmission belt 5 to form a support, the upper end of the limiting ring frame 11 is provided with a guide ring 14 for automatically guiding and positioning the bottom of the gas cylinder 3, the guide ring 14 is initially located above the buffer seat 10, and after the bottom of the gas cylinder 3 is guided, it can be directly connected to the buffer seat 10.

[0037] For details, please refer to Figure 3The outer side of the upper support 7 is provided with a positioning clamping groove 15, and the outer side of the fixing frame 4 is provided with a protruding support column 18, one end of the support column 18 is provided with a positioning ball 19 used for sliding connection with the positioning clamping groove 15, and the upper and lower outer walls of the support column 18 abut against the upper and lower inner walls of the opening of the positioning clamping groove 15. One side of the upper support 7 is also provided with an open through groove structure used for taking and placing the support column 18 and the positioning ball 19.

[0038] Please continue to refer to Figure 3 : The inside of one side of the fixing frame 4 is provided with a boss 16 used for abutting against the gas cylinder 3 to form a side buffer protection, and one side of the upper end of the fixing frame 4 is provided with a protruding support plate 17. The boss 16 abutting against the gas cylinder 3 is also used for increasing the frictional resistance, fixing the gas cylinder 3 to a certain placement angle, and facilitating the butt joint operation in the subsequent filling operation.

[0039] Please continue to refer to Figure 3 : The inside of the boss 16 is provided with a pull rope 20 connected with the limiting ring frame 11, and the pull rope 20 is used for driving the limiting ring frame 11 to move up and down to different positions to exert a protection function on the gas cylinder 3. After the limiting ring frame 11 is pulled up, the protection range on the gas cylinder 3 is increased, and the stability during transportation is improved.

[0040] Please continue to refer to Figure 5 : One side of the bottom of the fixing frame 4 is provided with a sliding groove 21, and the soft convex plate 12 automatically corresponds to the arc of the sliding groove 21 when being bent. The inside of the side plate 13 on one side of the bottom of the fixing frame 4 is provided with an elastic telescopic column 22 used for pushing the two ends of the soft convex plate 12 out to convert it into a flat state. The elastic telescopic column 22 is a bending type telescopic operation. When the fixing frame 4 moves to the adjacent straight state transmission belt 5, the elastic telescopic column 22 is automatically reset after the external force disappears.

[0041] Please continue to refer to Figures 5-6 : The two ends of the soft convex plate 12 are provided with positioning columns 23 used for sliding connection in the inside of the sliding groove 21, and the middle position of the soft convex plate 12 and the fixing frame 4 are fixedly connected.

[0042] Please continue to refer to Figures 6-7 : One side of the soft convex plate 12 is provided with a sliding way 24, the inside of the sliding way 24 is slidingly installed with a sliding block 25, and one side of the sliding block 25 is provided with a protruding shaft seat mechanism.

[0043] Please continue to refer to Figure 7 : The two ends of the elastic telescopic column 22 are provided with ring sleeves 26 used for rotary connection with adjacent mechanisms, and one end of the elastic telescopic column 22 is rotatably connected with the sliding block 25 through the ring sleeve 26. The rotary connection is used for the sliding block 25 to automatically adapt to the bending angle of the elastic telescopic column 22.

[0044] Please continue to refer to Figure 4 and Figure 8The inner side of the limiting ring frame 11 is provided with a ball 27 for preventing tilting and jamming during movement, and the balls 27 are uniformly distributed in a circumferential direction at equal intervals.

[0045] Please continue to see Figure 4 and Figure 9 The lower end of the pull rope 20 is provided with a pull ring 28, and the lower end of the support plate 17 is provided with a positioning rod 29 for hanging the pull ring 28 to fix the limiting ring frame 11.

[0046] It can be understood that the present application can realize the circulating filling operation without manual transportation of the gas cylinder 3 and operation of the filling equipment, greatly improves the work efficiency and saves the cost, and the stable circulating transportation and filling operation can effectively avoid the accidents during manual operation and the like, ensures the safety performance of the filling operation, and is beneficial to the use of large batch filling operation to meet the high efficiency requirement.

[0047] The application can directly install the gas cylinder 3 into the inside of the fixed frame 4 at one end of the equipment body 1 by the transmission belt 5, and then stop the transmission belt 5 after the position sensor 8 arranged at the upper position of both ends of the equipment body 1 senses the position, so as to position the gas cylinder 3 to the predetermined position. At this time, the filling operation can be directly carried out, and then the gas cylinder 3 is continuously transported, and when the next gas cylinder 3 reaches the predetermined position, the gas cylinder 3 which has been filled is transported to the other end of the equipment body 1, and then the gas cylinder 3 which has been filled can be taken out during the filling operation to form a cycle. After the processing, the labor cost can be greatly reduced, the work efficiency of the filling operation can be improved, the time consumption can be reduced, the safety during the filling operation can be ensured, and the filling operation for a large quantity can be facilitated. In addition, the electric baffle 9 arranged at the position adjacent to the lower end of the gas storage tank 2 can form secondary limiting to prevent the position sensor 8 from malfunctioning and timely alarm. Further, when the gas cylinder 3 is installed into the inside of the fixed frame 4, the bottom of the gas cylinder 3 can be directly positioned to the inside of the limiting ring frame 11 and the buffer seat 10 after being guided by the guide ring 14 arranged at the upper end of the limiting ring frame 11. At this time, the buffer in the buffer seat 10 abuts against the bottom of the gas cylinder 3 to form buffer protection, and then the pull ring 28 arranged at one end of the pull rope 20 is pulled down and sleeved outside the positioning rod 29 at the lower end of the support plate 17. At this time, the limiting ring frame 11 is pulled up and sleeved outside the gas cylinder 3 adjacent to the middle position, and at the same time, the ball 27 arranged at the position adjacent to the lower end of the inside of the limiting ring frame 11 can reduce the resistance during movement to prevent the limiting ring frame 11 from being stuck during movement. Thus, the gas cylinder 3 can be secondarily protected to avoid tilting and shaking during transportation, so as to ensure the stability of the transportation operation and the balance of the internal gas pressure, and avoid the safety hidden danger caused by shaking during manual transportation. While transporting the gas cylinder 3, the soft convex plate 12 arranged at the bottom of the fixed frame 4 is connected with the convex ridge strip 6 above the transmission belt 5 in a clamping mode. When the bottom of the fixed frame 4 passes a section of the transmission belt 5, the soft convex plate 12 is directly connected with the adjacent convex ridge strip 6. At this time, one end of the soft convex plate 12 is bent by the convex ridge strip 6 to automatically adapt to the radius of the transportation route, and when the other end of the convex ridge strip 6 is in a linear state, the elastic telescopic column 22 arranged at the inside of the side plate 13 at the bottom of the fixed frame 4 pushes both ends of the soft convex plate 12 to a linear state, so that the soft convex plate 12 can be circularly connected with the linear and arc convex ridge strips 6. After the processing, the manual transportation can be avoided, the transportation efficiency and the subsequent filling efficiency can be improved, and the filling operation requirement of high efficiency can be met.Finally, while transporting the gas cylinder 3, the fixing frame 4 can be installed above the transmission belt 5 in advance, at this time, the positioning ball 19 at the end of the support 18 on one side of the fixing frame 4 is inserted into the inside of the positioning slot 15, and the upper and lower outer walls of the support 18 are limited by the upper and lower inner walls of the opening of the positioning slot 15, thereby supporting the fixing frame 4, keeping it in a vertical state during transportation, so that the gas cylinder 3 can be stably transported without manual support during transportation, ensuring the stability of the internal gas and facilitating the circulation of the filling operation. After cooperation, the cost output can be greatly reduced, the efficiency of the gas cylinder filling operation can be improved.

[0048] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0049] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A new type of cylinder self-propelled circulating filling device, comprising a device main body (1), a gas storage tank (2) and a gas cylinder (3), characterized in that: The upper part of the device body (1) is provided with a fixing frame (4) for installing the gas cylinder (3), the inside of the device body (1) is provided with a transmission belt (5) for transporting the gas cylinder (3), the outside of the transmission belt (5) is provided with a protruding convex strip (6), the upper end of the device body (1) is provided with an upper support (7) for keeping the gas cylinder (3) stable during transportation, the upper part of the device body (1) is also provided with a position sensor (8) for sensing the transmission position of the gas cylinder (3) so that it can be placed in the predetermined position, one side of the gas storage tank (2) is provided with an electric baffle (9) for automatically abutting against the bottom of the fixing frame (4), the electric baffle (9) automatically triggers the switch to abut against the fixing frame (4) and sends an alarm when the position sensor (8) fails, the bottom of the fixing frame (4) is provided with a buffer seat (10) for forming a buffer protection for the gas cylinder (3), the upper end of the buffer seat (10) is provided with a limiting ring frame (11) for forming a secondary protection for the gas cylinder (3) to avoid shaking during transportation, the lower end of the fixing frame (4) is provided with a soft convex plate (12) for abutting against the convex strip (6), the both ends of the soft convex plate (12) can be automatically bent to adapt to the curvature of the convex strip (6), the both sides of the lower end of the fixing frame (4) are provided with side plates (13) for abutting against the transmission belt (5) to form support, the upper end of the limiting ring frame (11) is provided with a guide ring (14) for automatically guiding and positioning the bottom of the gas cylinder (3). The bottom side of the fixing frame (4) is provided with a sliding groove (21), the soft convex plate (12) is automatically bent to correspond to the curvature of the sliding groove (21), the inside of the side plate (13) on the bottom side of the fixing frame (4) is provided with an elastic telescopic column (22) for pushing the both ends of the soft convex plate (12) out to convert it to a flat state.

2. A new type of cylinder self-propelled circulating filling device according to claim 1, characterized in that: The outside of the upper support (7) is provided with a positioning clamping groove (15), the outside of the fixing frame (4) is provided with a protruding support column (18), one end of the support column (18) is provided with a positioning ball (19) for sliding connection with the positioning clamping groove (15), the upper and lower outer walls of the support column (18) abut against the upper and lower inner walls of the opening of the positioning clamping groove (15).

3. A new type of cylinder self-propelled circulating filling device according to claim 1, characterized in that: The inside of one side of the fixing frame (4) is provided with a boss (16) for abutting against the gas cylinder (3) to form a side buffer protection, the upper end of one side of the fixing frame (4) is provided with a protruding support plate (17).

4. The novel self-propelled cyclic filling device for gas cylinders according to claim 3, characterized in that: The inside of the boss (16) is provided with a pull rope (20) connected with the limiting ring frame (11), the pull rope (20) is used to drive the limiting ring frame (11) to move up and down to different positions to exert a protection function on the gas cylinder (3).

5. The novel self-propelled cyclic filling device for gas cylinders according to claim 1, characterized in that: The both ends of the soft convex plate (12) are provided with positioning columns (23) for sliding connection in the inside of the sliding groove (21), the middle position of the soft convex plate (12) and the fixing frame (4) are fixedly connected.

6. A new type of cylinder self-walking type circulating filling device according to claim 1, characterized in that: One side of the soft convex plate (12) is provided with a sliding channel (24), the inside of the sliding channel (24) is slidingly installed with a sliding block (25).

7. The novel self-propelled cyclic filling device for gas cylinders according to claim 1, characterized in that: Two ends of the elastic telescopic column (22) are provided with a loop (26) for rotationally connecting with adjacent mechanisms, and one end of the elastic telescopic column (22) is rotationally connected with a sliding block (25) through the loop (26).

8. The new type of cylinder self-moving type circulating filling device according to claim 1, characterized in that: The inner side of the limiting ring frame (11) is provided with a ball bearing (27) for preventing tilting and jamming during movement.

9. The novel self-propelled cyclic filling device for gas cylinders according to claim 4, characterized in that: The lower end of the pull rope (20) is provided with a pull ring (28), and the lower end of the support plate (17) is provided with a positioning rod (29) for hanging the pull ring (28) to fix the limiting ring frame (11).

Citation Information

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