Gas cylinder bearing device and transport vehicle

Abstract

The utility model provides a gas cylinder bearing device and a transport vehicle, and relates to the technical field of gas cylinder transport equipment.The gas cylinder bearing device comprises a vehicle body, the vehicle body comprises a vehicle frame, and a bearing part of a hollow structure is defined by the vehicle frame; the multiple fixing mechanisms are arranged in the bearing part, and the multiple fixing mechanisms are used for supporting and bearing the multiple gas cylinders; wherein the fixing mechanism comprises a limiting disc and a supporting assembly, the limiting disc is arranged at the bottom of the bearing part, the supporting assembly is arranged along the peripheral side of the limiting disc, and the supporting assembly is used for fixing the peripheral side of the gas cylinder; the technical problems that in the prior art, when gas cylinders are transported in a trolley mode, loading and unloading of the gas cylinders need to consume a large amount of time, and meanwhile, the trolley does not have extra space for transporting welding equipment at the same time are solved, and the technical effect of improving the working efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gas cylinder transportation equipment, in particular to a gas cylinder supporting device and a transportation vehicle. BACKGROUND

[0002] Gas welding and gas cutting are widely used in existing petroleum and chemical pipeline installation and maintenance. In addition to basic welding tasks, they can also be used in the fields of welding and cutting of metal structures and pipelines, repair of metal parts, and maintenance of mechanical equipment. Oxygen and acetylene cylinders are one of the essential equipment for metal welding and cutting. They often need to be moved from the gas cylinder storage area to the device area during use. Oxygen cylinders and acetylene cylinders must be handled with care during transportation, and throwing, sliding, rolling, and bumping are prohibited. Otherwise, there will be a risk of explosion. During device inspection and maintenance, gas cylinders and gas welding and cutting tools need to be transported. Therefore, a simple structure, flexible use, convenient and fast, and safe transportation of oxygen and acetylene gas welding and cutting tool transportation vehicle is needed.

[0003] In the prior art, a trolley is usually used to transport gas cylinders, that is, an oxygen cylinder or an acetylene cylinder is tied to the trolley with a rope. Not only does the loading and unloading of the gas cylinder require a lot of time, but the trolley also has no extra space to transport welding equipment at the same time, resulting in low work efficiency. CONTENT OF THE INVENTION

[0004] The purpose of the embodiments of the present application is to provide a gas cylinder supporting device and a transportation vehicle to solve the technical problem of low work efficiency caused by the use of a trolley to transport gas cylinders in the prior art, which not only requires a lot of time for loading and unloading the gas cylinder, but also has no extra space to transport welding equipment at the same time.

[0005] To solve the above technical problems, the embodiments of the present application provide the following technical solutions:

[0006] The first aspect of the present application provides a gas cylinder supporting device, which comprises a vehicle body, the vehicle body comprising a vehicle frame, the vehicle frame being enclosed into a hollow structure supporting part;

[0007] A plurality of fixing mechanisms are provided in the supporting part, and the plurality of fixing mechanisms are used to support and place a plurality of gas cylinders.

[0008] The fixing mechanism comprises a limiting disc and a supporting assembly, the limiting disc is arranged at the bottom of the supporting part, the supporting assembly is arranged along the circumferential side of the limiting disc, and the supporting assembly is used to fix the circumferential side of the gas cylinder.

[0009] In some modified embodiments of the first aspect of the present application, one side of the vehicle body is provided with a traction mechanism, and the traction mechanism is used to connect an external transportation vehicle.

[0010] In some implementation forms of the first aspect of the application, the limiting disc is provided with a groove structure, and the limiting disc is rotationally connected to the bottom of the bearing part.

[0011] In some implementation forms of the first aspect of the application, the surface of the groove structure is attached with an elastic layer.

[0012] In some implementation forms of the first aspect of the application, the support assembly comprises an arc-shaped plate, which is arranged on the side of the limiting disc away from the traction mechanism.

[0013] The arc-shaped plate is provided with a placing groove, and the placing groove and the groove structure form a placing area adapted to the gas cylinder, and the gas cylinder is detachably connected to the placing area by a cable tie.

[0014] In some implementation forms of the first aspect of the application, the support assembly comprises:

[0015] A control plate placed at the bottom of the bearing part, both sides of the control plate are provided with guide rails, and the control plate slides in the bearing part through the guide rails.

[0016] A clamping piece, which is slidably connected to the control plate through an adjusting seat, and is used for clamping the circumferential side of the gas cylinder.

[0017] The control plate is provided with a through hole adapted to the limiting disc, and the control plate comprises a support body and a separation plate, and the separation plate is detachably connected to the support body.

[0018] The separation plate is symmetrically provided with a connecting groove along the circumferential side of the through hole, and the end of the clamping piece away from the limiting disc in the connecting groove is provided with an elastic piece, which is used for applying a pushing force to the clamping piece towards the gas cylinder.

[0019] The vehicle body is provided with a connecting hole opposite to the position where the clamping piece is clamped with the gas cylinder, the side wall of the connecting hole is provided with a strip-shaped clamping groove, the side wall of the clamping piece is provided with a connecting block, and the connecting block slides in the clamping groove.

[0020] In some implementation forms of the first aspect of the application, the clamping piece comprises a rod body and a plurality of clamping pieces, and the plurality of clamping pieces are uniformly distributed along the direction of the rod body towards the gas cylinder.

[0021] The end of the clamping piece towards the gas cylinder is a curved surface.

[0022] In some implementation forms of the first aspect of the application, the bottom of the adjusting seat is provided with a sliding piece.

[0023] In some implementation forms of the first aspect of the application, a rotating disc is arranged between the limiting disc and the through hole; and the circumferential side of the rotating disc is provided with a guide piece.

[0024] The second aspect of the application provides a transport vehicle, which comprises the gas cylinder placing device described above.

[0025] Compared with the prior art, the gas cylinder carrying device provided by the first aspect of the present application has the technical problems of the existing trolley without storing welding components by setting a frame on the vehicle body and enclosing the frame into a hollow structure carrying part. Workers can hang welding components on the frame or place them in the carrying part according to actual needs. At the same time, in order to improve the installation efficiency of the gas cylinder, a plurality of fixing mechanisms are arranged in the carrying part, the fixing mechanism includes a limiting disc and a supporting assembly, the limiting disc is used for carrying the bottom of the gas cylinder, and the supporting assembly is used for fixing the gas cylinder on the side. Compared with the technical solution of the existing technology of binding with a rope, the present application greatly improves the number of single transportation and the efficiency of gas screen installation, thereby solving the technical problem of low efficiency of gas cylinder installation.

[0026] The second aspect of the present application provides a transport vehicle, which includes the gas cylinder carrying device described above, converting manual transportation into machine transportation, improving the transportation speed of the gas cylinder, and further improving the work efficiency of the gas cylinder transfer. BRIEF DESCRIPTION OF DRAWINGS

[0027] The above and other objects, features and advantages of the exemplary embodiments of the present application will be readily understood through reading the detailed description of the exemplary embodiments of the present application below, with reference to the attached drawings. In the drawings, several embodiments of the present application are shown by way of example and not limitation, in which the same or corresponding components are designated by the same or corresponding reference numerals, in which:

[0028] Figure 1 Fig. 1 schematically shows a front view of the gas cylinder carrying device in embodiment one;

[0029] Figure 2 Fig. 2 schematically shows a side view of the gas cylinder carrying device in embodiment one;

[0030] Figure 3 Fig. 5 schematically shows a structure diagram of the supporting assembly in the gas cylinder carrying device in embodiment two;

[0031] Figure 4 Fig. 6 schematically shows an exploded structure diagram of the supporting assembly in the gas cylinder carrying device in embodiment two.

[0032] Explanation of reference numerals: 10 - vehicle body; 20 - vehicle frame; 30 - traction mechanism; 100 - fixing mechanism; 110 - limiting disc; 120 - supporting assembly; 121 - arc-shaped plate; 122 - control plate; 1221 - separation plate; 1222 - connecting groove; 1223 - connecting hole; 1224 - clamping groove; 1225 - guiding area; 123 - guide rail; 124 - clamping piece; 1241 - rod body; 1242 - clamping piece; 1243 - connecting block; 125 - adjusting seat; 126 - elastic piece; 127 - sliding piece; 128 - rotating disc; 129 - guiding piece. DETAILED DESCRIPTION

[0033] Exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present disclosure to those skilled in the art.

[0034] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meanings understood by those skilled in the art to which the present application belongs.

[0035] The technical route of the present application is as follows:

[0036] Firstly, the present application improves the efficiency of lifting cylinder transportation in the following aspects:

[0037] Firstly, the vehicle frame 20 is arranged on the vehicle body 10, and a plurality of fixing mechanisms 100 are arranged in the load-bearing part enclosed by the vehicle frame 20, so that the device can transport electric welding parts and multiple cylinders at the same time during transportation, thereby increasing the number of parts transported at a time during cylinder transportation.

[0038] Secondly, the plurality of fixing mechanisms 100 arranged on the vehicle body 10 include the limiting disc 110 and the supporting assembly 120, and the corresponding mechanical structure is arranged to replace the manual binding mode using a rope in the prior art, thereby greatly improving the installation efficiency during cylinder fixing, reducing the labor intensity of the workers, and the limiting disc 110 is provided with a groove and an elastic layer according to the structure of the cylinder, thereby improving the connection stability and the shockproof measures during transportation.

[0039] Thirdly, the traction mechanism 30 is arranged on one side of the vehicle body 10 to change the manual pushing mode to the machine pulling mode, thereby improving the cylinder transportation speed and reducing the transportation time.

[0040] Second, the utility model discloses the mounting mode of support assembly 120 and the limiting plate relative to the gas cylinder is set up corresponding structure respectively, in embodiment one, through the arc plate 121 and the recess formation place, adopt the fixing of the cable tie, and this kind of implementation mode has the advantages of simple structure, convenient to install and detach.

[0041] Finally, the utility model discloses the placing area of corresponding fire-fighting equipment is set up in the bearing part to improve the working time when the gas cylinder burns can extinguish the fire in time.

[0042] The following contents explain embodiment one and embodiment two:

[0043] Embodiment one

[0044] Reference attached Figures 1-2 The utility model discloses embodiment one proposes a gas cylinder bearing device, comprising:

[0045] Car body 10, car body 10 includes frame 20, and frame 20 is enclosed into the bearing part of hollow structure;

[0046] Multiple fixed mechanisms 100, multiple fixed mechanisms 100 are set up in the bearing part, and multiple fixed mechanisms 100 are used to support and hold multiple gas cylinders;

[0047] Among them: fixed mechanism 100 includes limiting disc 110 and support assembly 120, and limiting disc 110 is located at the bottom of the bearing part, and support assembly 120 is set along the circumferential side of limiting disc 110, and support assembly 120 is used to fix the circumferential side of gas cylinder.

[0048] Specifically, the gas cylinder bearing device provided by the embodiment, by setting frame 20 on car body 10, and frame 20 is enclosed into the bearing part of hollow structure, the worker can according to actual demand, and the welding component is hung in frame 20 or is placed in the bearing part, can solve the technical problem that the trolley does not store welding component in the prior art. Meanwhile, in order to improve the installation efficiency when installing the gas cylinder, multiple fixed mechanisms 100 are set in the bearing part, and fixed mechanism 100 includes limiting disc 110 and support assembly 120, limiting disc 110 is used to bear the bottom of gas cylinder, and support assembly 120 is used to fix the circumferential side of gas cylinder, compared with the technical scheme that the rope is bound in the prior art, the utility model is improved greatly whether from the quantity of single transport, and the efficiency of gas screen installation, and then solves the technical problem of low gas cylinder installation efficiency.

[0049] It should be noted that the frame 20 is provided with a plurality of hooks for connecting the welding equipment, and the frame 20 is arranged along the side of the vehicle body 10 to play the role of a protective guard.

[0050] Further, referring to the accompanying drawings Figures 1-2 In specific implementation, one side of the vehicle body 10 is provided with a traction mechanism 30 for connecting an external transport vehicle.

[0051] Specifically, in order to improve the manual pushing mode to the mechanical pulling mode, the vehicle body 10 is provided with a traction mechanism 30 connected to an external transport vehicle on one side, and moves forward relying on the power of the transport vehicle to drive the whole gas cylinder supporting device to move.

[0052] The traction mechanism 30 can be connected in a direction shaft connection mode to meet the needs of the whole device moving forward and turning.

[0053] Further, referring to the accompanying drawings Figures 1-2 In specific implementation, the limiting disc 110 is provided with a groove structure and is rotationally connected to the bottom of the bearing part.

[0054] Further, referring to the accompanying drawings Figures 1-2 In specific implementation, the surface of the groove structure is attached with an elastic layer.

[0055] Specifically, in order to realize the stable support of the bottom of the gas cylinder and the shock absorption effect during movement, the limiting disc 110 is provided with a groove structure which is more suitable for the shape of the bottom of the gas cylinder, can be perfectly attached to the bottom of the gas cylinder, and can also play a limiting role when the gas cylinder is installed.

[0056] At the same time, the groove structure is provided with an elastic layer, the parts of the groove structure contacting the gas cylinder are made of elastic pads made of rubber, and at the same time, the transported oxygen cylinders and acetylene cylinders are all provided with bottle caps and shockproof rings; the elastic pads can be fixed in the groove by screw connection or adhesion.

[0057] It should be noted that the limiting disc 110 can be rotationally connected to the bottom of the bearing part through the setting of the rotating disc 128 and the like, so that the gas cylinder can rotate along its radial direction when installed to obtain the best installation angle, and when the limiting disc 110 is rotated to the appropriate angle, the angle can be fixed by using a latch connection and the like.

[0058] Further, referring to the accompanying drawings Figures 1-2 In specific implementation, the support assembly 120 includes an arc-shaped plate 121 arranged on the side of the limiting disc 110 away from the traction mechanism 30;

[0059] The arc-shaped plate 121 is provided with a placing groove, and the placing groove and the groove structure form a placing area matched with the gas cylinder, and the gas cylinder is detachably connected to the placing area by a strap.

[0060] Specifically, in order to realize the circumferential fixation of the gas cylinder, the technical scheme adopted by the utility model is that the arc-shaped plate 121 vertically arranged in a strip shape is arranged in abutment with one side of the gas cylinder. Since the force of the gas cylinder is opposite to the advancing direction in the process of advancing with the vehicle body 10 under the driving of the traction mechanism 30, in actual operation, the arc-shaped plate 121 is arranged on the side of the limiting disc 110 away from the traction mechanism 30.

[0061] The arc-shaped plate 121 is provided with a placing groove, and the placing groove and the groove structure form a placing area matched with the gas cylinder, and the gas cylinder is detachably connected to the placing area by a strap.

[0062] It should be noted that, due to the arrangement of the vehicle frame 20, a horizontal plate can also be arranged between the vehicle frames 20 to form clamping of the gas cylinder with the arc-shaped plate 121. The horizontal plate can be fixed by screw connection, plug-in connection or other forms, which is simple to operate and completely eliminates the step of binding the gas cylinder. The end of the horizontal plate facing the gas cylinder can also be provided with a corresponding groove structure to better fit the gas cylinder.

[0063] Further, in order to meet the relevant requirements of safety production, a region for storing fire extinguishers is arranged in the bearing part. The region is close to the vehicle frame 20 and away from the region where the gas cylinder is installed, so that the worker can timely take the fire extinguisher when danger occurs. Since the external contour of the fire extinguisher is similar to that of the gas cylinder, the fire extinguisher can also be fixed by using a corresponding groove structure to avoid tilting during movement.

[0064] Embodiment Two

[0065] The embodiment provides another form of fixation of the gas cylinder by the support assembly 120. The support assembly 120 is matched between the control plate 122 and the clamping piece 124 to realize quick installation of the gas cylinder. The advantage of this embodiment is that the positioning of the gas cylinder is more accurate, and the step of binding by the worker is completely removed, thereby greatly reducing the labor intensity. Specifically,

[0066] As shown in Figures 3-4 Another form of composition of the support assembly 120 is provided in the embodiment. The support assembly 120 comprises:

[0067] The control plate 122 is arranged at the bottom of the bearing part. The control plate 122 is provided with guide rails 123 on both sides, and the control plate 122 slides in the bearing part through the guide rails 123;

[0068] The clamping piece 124 is slidably connected to the control plate 122 through the adjusting seat 125, and is used for clamping the circumferential side of the gas cylinder;

[0069] The control plate 122 is provided with a through hole matched with the limiting disc 110, and comprises a support main body and a separation plate 1221 which is detachably connected to the support main body.

[0070] The separation plate 1221 is symmetrically provided with a connecting groove 1222 along the circumferential side of the through hole, and the clamping piece 124 is provided with an elastic piece 126 at the end thereof away from the limiting disc 110 in the connecting groove 1222, which is used for applying a pushing force to the clamping piece 124 towards the gas cylinder.

[0071] The connecting hole 1223 is provided on the vehicle body 10 at a position opposite to the position where the clamping piece 124 is clamped with the gas cylinder, and the side wall of the connecting hole 1223 is provided with a strip-shaped clamping groove 1224, and the side wall of the clamping piece 124 is provided with a connecting block 1243 which is slidably arranged in the clamping groove 1224.

[0072] Specifically, in order to realize the dynamic adjustment of the clamping part of the gas cylinder, the control plate 122 is placed at the bottom of the bearing part, and the control plate 122 is arranged to play a role in adjusting the movement of the clamping piece 124 relative to the gas cylinder. The control plate 122 is provided with guide rails 123 on both sides, and the two guide rails 123 are fixed on the two side edges of the placing plate, so that the control plate 122 can be finely adjusted along the guide rails 123.

[0073] The control plate 122 is provided with a through hole matched with the limiting disc 110, and is symmetrically provided with a connecting groove 1222 along the circumferential side of the through hole. The clamping piece 124 is provided with an elastic piece 126 at the end thereof away from the limiting disc 110 in the connecting groove 1222, which is used for applying a pushing force to the clamping piece 124 towards the gas cylinder. The elastic piece 126 can be a spring structure, which provides sufficient elastic force to drive the clamping piece 124 to clamp the gas cylinder. In order to further consolidate the connection strength of the clamping piece 124, the control plate 122 is provided with a strip-shaped clamping groove 1224 at a position opposite to the position where the clamping piece 124 is clamped with the gas cylinder, and the side wall of the clamping piece 124 is provided with a connecting block 1243 which is slidably arranged in the clamping groove 1224.

[0074] Further, as shown in Figures 3-4 The clamping piece 124 comprises a rod body 1241 and a plurality of clamping pieces 1242 which are uniformly distributed along the rod body 1241 towards the gas cylinder.

[0075] The end of the clamping piece 124 towards the gas cylinder is a curved surface.

[0076] Further, as shown in Figures 3-4As shown, a rotating disk 128 is provided between the limiting disk 110 and the through hole; a guide plate 129 is provided on the periphery of the rotating disk 128.

[0077] Specifically, this embodiment provides two methods for fixing gas cylinders:

[0078] The first type uses a square structure for the connecting groove 1222, which is fixed entirely by the elasticity of the elastic element 126. When the gas cylinder needs to be installed, the snap-fit ​​124 is moved in the compression direction of the elastic element by manpower. The snap-fit ​​124 provides installation space for the gas cylinder by sliding the connecting block 1243 relative to the snap-fit ​​groove 1224. After the gas cylinder is installed, the elastic element 126 returns to its original state under the action of elasticity, and the gas cylinder is clamped by the clamping piece 1242.

[0079] The second type is where the connecting slot 1222 adopts, as shown in... Figures 3-4 The design incorporates a folded groove. By pushing one end of the rod 1241, the two sides of the rod 1241 can move at an angle. When the gas cylinder is guided along the corresponding guide area 1225 on the control plate 122 to the vicinity of the rod 1241, the angle is adjusted to a suitable angle for placing the gas cylinder. After the gas cylinder is placed, the rod 1241 is returned to its original position by the elastic force of the elastic element 126. At this time, guide plates 129 need to be set on the circumference of the rotating disk 128 to facilitate the positioning of the gas cylinder during installation.

[0080] It should be noted that the guide area 125 can be designed with a concave curved surface structure to facilitate the gradual lateral movement of the gas cylinder into the installation area formed by the clamping plates 1242. The notch of the guide plate 129 gradually decreases along the direction of gas cylinder movement to facilitate operation by staff.

[0081] It can be seen that, regardless of which of the above-mentioned gas cylinder installation techniques is adopted, the efficiency is greatly improved compared to the existing rope binding method, while reducing the safety hazards caused by loose rope binding.

[0082] Furthermore, the bottom of the adjusting seat 125 is provided with a sliding member 127.

[0083] The sliding member 127 can be set in the form of a sliding column, pulley or the like, so that the snap-fit ​​member 124 can move back and forth with the control board 122.

[0084] Secondly, this utility model also provides a transport vehicle including the gas cylinder holding device mentioned above, the working principle of which has been described above and will not be repeated here.

[0085] It should be noted that in the description of the present application, the terms "upper", "lower" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element 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; the terms "connection", "installation", "fixation" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0086] In the description of the present application, the terms "one embodiment", "some embodiments", "a specific embodiment" and the like mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0087] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A gas cylinder holding device, characterized in that, include: The vehicle body includes a frame, which encloses a hollow load-bearing section. Multiple fixing mechanisms are disposed within the bearing portion, and the multiple fixing mechanisms are used to support and hold multiple gas cylinders. Wherein: the fixing mechanism includes a limiting plate and a support assembly. The limiting plate is located at the bottom of the bearing part, and the support assembly is arranged along the periphery of the limiting plate, and the support assembly is used to fix the periphery of the gas cylinder.

2. The gas cylinder holding device according to claim 1, characterized in that, A traction mechanism is provided on one side of the vehicle body, which is used to connect to an external transport vehicle.

3. The gas cylinder holding device according to claim 2, characterized in that, The limiting plate has a groove structure, and the limiting plate is rotatably connected to the bottom of the bearing part.

4. The gas cylinder holding device according to claim 3, characterized in that, An elastic layer is attached to the surface of the groove structure.

5. The gas cylinder holding device according to claim 3, characterized in that, The support assembly includes an arc-shaped plate, which is located on the side of the limiting plate opposite to the traction mechanism; The arc-shaped plate is provided with a placement groove, and the placement groove and the groove structure form a placement area adapted to the gas cylinder. The gas cylinder is detachably connected to the placement area by cable ties.

6. The gas cylinder holding device according to claim 5, characterized in that, The support components include: A control plate is placed at the bottom of the support part, and guide rails are provided on both sides of the control plate, and the control plate slides within the support part through the guide rails; A snap-fit ​​connector is slidably connected to the control plate via an adjusting seat, and the snap-fit ​​connector is used to clamp the periphery of the gas cylinder; Wherein: the control plate is provided with a through hole adapted to the limiting plate, the control plate includes a support body and a separation plate, and the separation plate is detachably connected to the support body; The separation plate is symmetrically provided with connecting grooves along the periphery of the through hole. The snap-fit ​​member is provided with an elastic element at the end of the connecting groove away from the limiting plate. The elastic element is used to apply a pushing force toward the gas cylinder to the snap-fit ​​member. The vehicle body has a connecting hole opposite to the position where the snap-fit ​​component snaps into the gas cylinder. The side wall of the connecting hole has a strip-shaped snap-fit ​​groove, and the side wall of the snap-fit ​​component has a connecting block. The connecting block slides within the snap-fit ​​groove.

7. The gas cylinder holding device according to claim 6, characterized in that, The snap-fit ​​component includes a rod and multiple clamping pieces, which are evenly distributed along the rod toward the gas cylinder. The end of the clamping piece facing the gas cylinder is curved.

8. The gas cylinder holding device according to claim 6, characterized in that, The bottom of the adjusting seat is equipped with a sliding component.

9. The gas cylinder holding device according to claim 6, characterized in that, A rotating disk is provided between the limiting disk and the through hole; a guide plate is provided on the periphery of the rotating disk.

10. A transport vehicle, characterized in that, Includes the gas cylinder holding device as described in any one of claims 1-9.

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