A gas cylinder bracket for gas cylinder inspection

Abstract

The utility model discloses a gas cylinder bracket for gas cylinder inspection, include: base, the top of which is equipped with support seat, the top of support seat is equipped with arc structure and is inlayed with a plurality of first anti -wear ball, rotating seat, fixedly connected at the bottom of support seat, the bottom both sides of rotating seat are inlayed with a plurality of with the movable contact of base top support ball, clutch motor, inlayed fixedly at the bottom of base, its output shaft is fixedly connected with the bottom of rotating seat, pressure control limiting mechanism, installs at the both sides of rotating seat, gas cylinder rotary drive mechanism, installs at the top right side of pressure control limiting mechanism. The utility model discloses through a series of structure's setting, can to gas cylinder pressure control limit, can effectively reduce the deformation condition of gas cylinder because of extrusion pressure is bigger, and can directly electric drive after the gas cylinder of limit makes its autorotation, does not need personnel to remove the manual rotation adjustment after limit, thereby improves the adjustment efficiency, reduces the labor intensity.

Description

Technical Field

[0001] This utility model relates to the field of gas cylinder inspection technology, and in particular to a gas cylinder bracket for gas cylinder inspection. Background Technology

[0002] Gas cylinders are pressure vessels used to hold compressed gases. Gas cylinders are generally refillable and reusable. Before entering the market, gas cylinders need to be inspected internally and externally to determine their quality. During inspection, a cylinder support is used to support the cylinder. However, it has been found that using a cylinder support for inspection is inconvenient for effectively limiting the cylinder's position, causing it to easily shift during inspection; it also makes it difficult to rotate the cylinder, hindering comprehensive inspection and resulting in low work efficiency. Therefore, publication number CN218067611U discloses a cylinder support for inspection, including a base with a worktable at the top. The worktable has two sides at its top. A support plate is fixedly connected, and a limit plate is fixedly connected to the top of the workbench. The gas cylinder bracket for gas cylinder inspection is equipped with a threaded rod, a limit plate, a handle, a rotating block, and a rotating groove. The gas cylinder is placed on the top of the limit plate. After placement, the handle is rotated, which drives the threaded rod inside the threaded groove. When the threaded rod rotates inside the threaded groove, the rotating block will abut against one side of the clamping plate, so that the clamping plate clamps and limits the gas cylinder. Clamping and limiting the gas cylinder can prevent the gas cylinder from swaying from side to side during inspection. The threaded rod and threaded groove can facilitate the limiting of gas cylinders of different sizes, thereby improving the flexibility of the frame and solving the problem of inconvenience in effectively limiting the gas cylinder and the easy displacement of the gas cylinder during the inspection process.

[0003] The gas cylinder holder for gas cylinder inspection disclosed in the aforementioned patent still has the following shortcomings during use: 1. When the gas cylinder is clamped and limited by manual operation of two clamping plates, the clamping force is uncontrollable, and there is a possibility that the gas cylinder may be squeezed and deformed due to excessive clamping force; 2. When rotating and adjusting during inspection, it can only rotate the clamped and limited gas cylinder horizontally, and it lacks a structure for adjusting the rotation of the gas cylinder itself. Therefore, when inspecting the bottom and sides of the gas cylinder, it is necessary for personnel to release the limit and manually rotate and adjust, which results in low adjustment efficiency. In view of the above, this application proposes a gas cylinder holder for gas cylinder inspection. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a gas cylinder bracket for gas cylinder inspection.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A gas cylinder holder for gas cylinder inspection, comprising:

[0007] The base has a support seat on top, and the top of the support seat is an arc-shaped structure with multiple first anti-wear balls embedded in it.

[0008] The rotating seat is fixedly connected to the bottom of the support base, and multiple support balls that move in contact with the top of the base are embedded on both sides of the bottom of the rotating seat.

[0009] The brake motor is embedded and fixed at the bottom of the base, and its output shaft is fixedly connected to the bottom of the rotating seat;

[0010] Pressure control and limiting mechanisms are installed on both sides of the rotating seat;

[0011] The cylinder rotation drive mechanism is installed on the top right side of the pressure control and limiting mechanism.

[0012] Preferably, the pressure control and limiting mechanism includes two L-shaped support rods, which are symmetrically fixedly connected to both sides of the rotating seat. Two limiting blocks are provided between the two L-shaped support rods. The side of the two limiting blocks that are close to each other is designed with an arc shape and is fitted with multiple second anti-wear balls. A first electric telescopic rod is embedded and fixedly installed on the inner wall of the side of the two L-shaped support rods that are far apart from each other. A U-shaped block is fixedly connected to the output shaft end of the first electric telescopic rod. The limiting block is slidably sleeved on the corresponding U-shaped block. A pressure sensor is fixedly connected to the inner wall of the side of the two U-blocks that are far apart from each other. A PLC controller is fixedly connected to the left side of the left L-shaped support rod. The PLC controller is electrically connected to the two pressure sensors and the two first electric telescopic rods. The detection end of the pressure sensor is fixedly connected to the limiting block.

[0013] Preferably, the gas cylinder rotation drive mechanism includes an L-shaped support plate, the bottom of which is connected to the top of an L-shaped support rod on the right side. A second electric telescopic rod is fixedly embedded in the top left side of the L-shaped support plate. A third electric telescopic rod is fixedly connected to the left end of the output shaft of the second electric telescopic rod. A U-shaped mounting rod is fixedly connected to the bottom end of the output shaft of the third electric telescopic rod. A drive friction roller is rotatably mounted between the front inner wall and the rear inner wall of the U-shaped mounting rod. A drive motor is fixedly mounted on the front side of the U-shaped mounting rod. The rear end of the output shaft of the drive motor is fixedly mounted to the front end of the drive friction roller.

[0014] Preferably, the bottom of the L-shaped support plate is welded and fixed to the top of the L-shaped support rod on the right side.

[0015] Preferably, the bottom of the L-shaped support plate and the top of the L-shaped support rod on the right side are detachably installed;

[0016] The top of the L-shaped support rod on the right is fixedly connected to an L-shaped mounting base. Two threaded grooves are opened on the left inner wall of the L-shaped mounting base, and T-shaped fixing bolts are threaded in the threaded grooves. The L-shaped support plate is threaded on the two T-shaped fixing bolts.

[0017] Preferably, a first storage battery is embedded and fixed at the bottom of the base, and the first storage battery is electrically connected to the brake motor.

[0018] Preferably, a second battery is fixedly connected to the top left side of the rotating base. The second battery is electrically connected to the two first electric telescopic rods, two pressure sensors, a PLC controller, a drive motor, the second electric telescopic rod, and the third electric telescopic rod. A synchronous control switch is fixedly connected to the bottom of the first electric telescopic rod on the left side. The synchronous control switch is electrically connected to the two first electric telescopic rods and the PLC controller.

[0019] Compared with existing technologies, the beneficial effects of this utility model are:

[0020] 1. By setting up a pressure control and limiting mechanism, two limiting blocks can be driven synchronously to control and limit the pressure of the gas cylinder, which can effectively reduce the deformation of the gas cylinder caused by excessive extrusion pressure.

[0021] 2. By cooperating with the brake motor and the rotating base, the gas cylinder can be driven to rotate horizontally after being limited;

[0022] 3. By setting up a cylinder rotation drive mechanism, the cylinder can be directly driven to rotate after being limited, eliminating the need for manual rotation and adjustment after the limit is released, thereby improving adjustment efficiency and reducing labor intensity.

[0023] This utility model, through a series of structural designs, can control and limit the pressure of gas cylinders, effectively reducing the deformation of gas cylinders caused by excessive extrusion pressure. Furthermore, it can directly drive the gas cylinder after it has been limited to rotate on its own, eliminating the need for manual rotation and adjustment after the limit is released, thereby improving adjustment efficiency and reducing labor intensity. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of a gas cylinder support for gas cylinder inspection according to Embodiment 1 of this utility model;

[0025] Figure 2 This is a cross-sectional view of the structure of a gas cylinder support for gas cylinder inspection according to Embodiment 1 of this utility model;

[0026] Figure 3 This is a cross-sectional view of the structure of a gas cylinder bracket for gas cylinder inspection according to Embodiment 2 of this utility model.

[0027] In the diagram: 1. Base; 2. Rotating seat; 3. Brake motor; 4. Support seat; 401. First anti-wear ball bearing; 5. Pressure control and limiting mechanism; 501. L-shaped support rod; 502. Limiting block; 503. U-shaped block; 504. Pressure sensor; 505. First electric telescopic rod; 506. Second anti-wear ball bearing; 507. PLC controller; 6. Gas cylinder rotation drive mechanism; 601. L-shaped support plate; 602. U-shaped mounting rod; 603. Drive friction roller; 604. Third electric telescopic rod; 605. Second electric telescopic rod; 606. Drive motor; 7. L-shaped mounting seat; 8. T-shaped fixing bolt. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Example 1

[0030] Reference Figure 1-2 A gas cylinder holder for gas cylinder inspection, comprising:

[0031] The base 1 has a support seat 4 on top of it. The top of the support seat 4 is an arc-shaped structure and is fitted with a number of first anti-wear balls 401. The first anti-wear balls 401 reduce the friction during rotation.

[0032] Rotary seat 2 is fixedly connected to the bottom of support seat 4. Multiple support balls that movably contact the top of base 1 are embedded on both sides of the bottom of rotary seat 2.

[0033] A brake motor 3 is embedded and fixed at the bottom of the base 1. Its output shaft is fixedly connected to the bottom of the rotating seat 2. The brake motor 3 is used to drive the rotating seat 2. The bottom of the base 1 is provided with an embedding groove. The inner wall of the embedding groove is fixedly connected to the outer side of the brake motor 3. A first circular hole is provided on the top inner wall of the embedding groove. A first bearing is fixedly fitted in the first circular hole. The inner side of the inner ring of the first bearing is fixedly connected to the outer side of the output shaft of the brake motor 3. A first storage battery is embedded and fixed at the bottom of the base 1. The first storage battery is electrically connected to the brake motor 3.

[0034] Pressure control and limiting mechanism 5 is installed on both sides of rotating seat 2;

[0035] The pressure control and limiting mechanism 5 includes two L-shaped support rods 501, which are symmetrically fixedly connected to the outside of the rotating seat 2. Two limiting blocks 502 are provided between the two L-shaped support rods 501. The sides of the two limiting blocks 502 that are close to each other are both arc-shaped and fitted with multiple second anti-wear balls 506. First electric telescopic rods 505 are fixedly embedded in the inner walls of the sides of the two L-shaped support rods 501 that are far apart from each other. First mounting holes are provided on the sides of the two L-shaped support rods 501 that are far apart from each other. The inner walls of the first mounting holes are fixedly connected to the outer sides of the corresponding first electric telescopic rods 505. The output shaft end of the first electric telescopic rod 505 is fixedly connected to... A U-shaped block 503 is attached, and a limiting block 502 is slidably sleeved on the corresponding U-shaped block 503. Two guide grooves are opened on the side of the two limiting blocks 502 that are far apart from each other. The inner wall of the guide groove is in movable contact with the outer side of the corresponding U-shaped block 503. Pressure sensors 504 are fixedly connected to the inner wall of the side of the two U-shaped blocks 503 that are far apart from each other. A PLC controller 507 is fixedly connected to the left side of the L-shaped support rod 501 on the left side. The PLC controller 507 is electrically connected to the two pressure sensors 504 and the two first electric telescopic rods 505. The pressure sensors 504 are used to detect the extrusion pressure and transmit the detected extrusion pressure to the PLC controller 507.

[0036] A second battery is fixedly connected to the top left side of the rotating base 2. The second battery is electrically connected to the two first electric telescopic rods 505, the two pressure sensors 504, and the PLC controller 507. A synchronous control switch is fixedly connected to the bottom of the first electric telescopic rod 505 on the left side. The synchronous control switch is electrically connected to the two first electric telescopic rods 505 and the PLC controller 507. The synchronous control switch is used to control the two first electric telescopic rods 505 to open synchronously. The detection end of the pressure sensor 504 is fixedly connected to the limiting block 502.

[0037] In this implementation scheme: the gas cylinder is placed on top of the support base 4 and makes active contact with multiple first anti-wear balls 401. Then, the two first electric telescopic rods 505 are opened in the forward direction by a synchronous control switch. The output shaft of the first electric telescopic rod 505 drives the pressure sensor 504 to move through the corresponding U-shaped block 503. The pressure sensor 504 drives the corresponding limiting block 502 to move closer to the gas cylinder. The two limiting blocks 502 drive the corresponding multiple second anti-wear balls 506 to move to contact the gas cylinder. The limiting block 502 continues to move. At this time, the U-shaped block 503 continues to move and drives the corresponding pressure sensor 504 to squeeze the limiting block 502. The pressure sensor 504 detects the squeezing force and transmits the detected pressure value to the PLC controller 507. When the pressure value reaches the set value, the PLC controller 507 controls the two first electric telescopic rods 505 to close through the synchronous control switch, thereby achieving the effect of pressure control and limiting of the gas cylinder.

[0038] It should be noted that: the first electric telescopic mast 505 can preferably be a JA37 series electric telescopic mast, which receives switching signals (usually relay on / off signals) from the PLC controller 507 to control the forward / reverse / stop of the motor, thereby realizing the extension and retraction of the output shaft. The pressure sensor 504 can preferably be a BLR-1T (S type) pressure sensor, which is used to convert physical compressive force into a measurable electrical signal (usually an analog signal) and transmit it to the PLC controller 507. It is a key feedback element for closed-loop control. The PLC controller 507 can preferably be a [model name missing]. The preferred synchronous control switch for the S7-1200 is model LA42-G-11D-G. Its specific control principle is as follows: the PLC controller 507 receives a 4-20mA or 0-10V signal from the pressure sensor and converts it into a specific pressure value through its internal program. The converted real-time pressure value is compared with the user-preset pressure value. When the real-time pressure value is less than the set value, the output signal is maintained, allowing the first electric telescopic rod 505 to continue extending. When the real-time pressure value is greater than or equal to the set value, the output signal is immediately cut off, stopping the first electric telescopic rod 505.

[0039] In addition, the second battery is electrically connected to the two first electric telescopic rods 505, the two pressure sensors 504 and the PLC controller 507 via wires. The second battery provides power to the two first electric telescopic rods 505, the two pressure sensors 504 and the PLC controller 507. The second battery can be charged periodically to maintain normal power supply.

[0040] Furthermore:

[0041] A gas cylinder support for gas cylinder inspection also includes a gas cylinder rotation drive mechanism 6, which is installed on the top of the L-shaped support rod 501 on the right side.

[0042] The gas cylinder rotation drive mechanism 6 includes an L-shaped support plate 601. The bottom of the L-shaped support plate 601 is welded and fixed to the top of the L-shaped support rod 501 on the right side. A second electric telescopic rod 605 is embedded and fixed on the top left side of the L-shaped support plate 601. An mounting hole for mounting and fixing the second electric telescopic rod 605 is provided on the top left side of the L-shaped support plate 601. A third electric telescopic rod 604 is fixedly connected to the left end of the output shaft of the second electric telescopic rod 605. A U-shaped mounting rod 602 is fixedly connected to the bottom end of the output shaft of the third electric telescopic rod 604. The front inner wall and the rear side of the U-shaped mounting rod 602 are connected together. A drive friction roller 603 is rotatably mounted between the inner walls. The front and rear ends of the drive friction roller 603 are fixedly connected to pins. Bearing holes are provided on the front and rear inner walls of the U-shaped mounting rod 602. A second bearing is fixedly sleeved in the bearing hole. The inner side of the inner ring of the second bearing is fixedly connected to the outer side of the corresponding pin. The second bearing serves to allow the corresponding pin to rotate. A drive motor 606 is fixedly mounted on the front side of the U-shaped mounting rod 602. The rear end of the output shaft of the drive motor 606 is fixedly mounted to the front end of the pin. The drive motor 606 drives the drive friction roller 603.

[0043] The second battery is electrically connected to the drive motor 606, the second electric telescopic rod 605, and the third electric telescopic rod 604.

[0044] In this implementation plan: When adjusting the rotation of the gas cylinder, firstly, the second electric telescopic rod 605 is activated in the forward direction, which drives the U-shaped mounting rod 602 to move to the left via the third electric telescopic rod 604. The U-shaped mounting rod 602 drives the driving friction roller 603 to move to the left until it is directly above the gas cylinder. Then, the second electric telescopic rod 605 is closed. Immediately afterwards, the third electric telescopic rod 604 is activated in the forward direction, which drives the driving friction roller 603 to move downward until it is in close contact with the top of the gas cylinder. Then, the drive motor 606 is activated to drive the driving friction roller 603 to rotate and drive the gas cylinder through friction. Under the friction driving force, the gas cylinder rotates. When the gas cylinder rotates to the desired side facing upward, the drive motor 606 can be stopped, and the driving friction roller 603 is kept in a state of compression and friction with the outside of the gas cylinder. The driving friction roller 603 restricts the friction of the gas cylinder and prevents the gas cylinder from sliding out.

[0045] It should be noted that: the second electric telescopic pole 605 and the third electric telescopic pole 604 can both preferably be model TD10-500-10-24VDC, and the drive motor 606 can preferably be a three-phase asynchronous brake motor. The specific driving principle is existing technology and will not be elaborated here.

[0046] In addition, the drive friction roller 603 can preferably be made of polyurethane, which has good gripping force, can provide efficient friction transmission, and prevents slippage on the surface of the gas cylinder.

[0047] Working principle: The pressure value for closing the two first electric telescopic rods 505 is preset by the PLC controller 507. The gas cylinder is placed on top of the support base 4 and makes contact with multiple first anti-wear balls 401. Then, the two first electric telescopic rods 505 are opened in the forward direction by the synchronous control switch. The output shaft of the first electric telescopic rod 505 drives the pressure sensor 504 to move through the corresponding U-shaped block 503. The pressure sensor 504 drives the corresponding limiting block 502 to move closer to the gas cylinder. The two limiting blocks 502 respectively drive the corresponding multiple second anti-wear balls 506 to move to contact the gas cylinder. When the bottle contacts the limit block 502, the U-shaped block 503 continues to move. At this time, the U-shaped block 503 continues to move, which drives the corresponding pressure sensor 504 to squeeze the limit block 502. The limit block 502 drives the corresponding second anti-wear ball 506 to squeeze and limit the gas cylinder. The pressure sensor 504 detects the squeezing force and transmits the detected pressure value to the PLC controller 507. When the pressure value reaches the set value, the PLC controller 507 controls the two first electric telescopic rods 505 to close through the synchronous control switch, thereby achieving the effect of controlling and limiting the pressure of the gas cylinder and reducing the deformation of the gas cylinder caused by the large squeezing force.

[0048] When it is necessary to rotate the gas cylinder horizontally during the inspection process, the brake motor 3 can be turned on. The output shaft of the brake motor 3 drives the rotating seat 2 to rotate, the rotating seat 2 drives the support seat 4 to rotate, and the support seat 4 drives the gas cylinder on its top to rotate horizontally. At the same time, the rotating seat 2 drives the components on its top to rotate synchronously with the gas cylinder. When the cylinder is rotated to the required position, the brake motor 3 can be turned off.

[0049] When the cylinder rotation needs adjustment, first, open the second electric telescopic rod 605 in the forward direction. The output shaft of the second electric telescopic rod 605 drives the U-shaped mounting rod 602 to move to the left via the third electric telescopic rod 604. When the U-shaped mounting rod 602 drives the drive friction roller 603 to move to the left until it is directly above the cylinder, close the second electric telescopic rod 605. Then, immediately start the third electric telescopic rod 604 in the forward direction. The third electric telescopic rod 604 drives the drive friction roller 603 to move downwards until it is in close contact with the top of the cylinder via the U-shaped mounting rod 602. Then, start the drive motor 606. The output shaft of the drive motor 606 drives the drive friction roller 603 to rotate and drive the gas cylinder through friction. Under the friction driving force, the gas cylinder rotates. When the gas cylinder rotates to the desired side facing up, the drive motor 606 can be stopped, and the drive friction roller 603 is kept in a state of compression and friction with the outside of the gas cylinder. The drive friction roller 603 restricts the friction of the gas cylinder, preventing the gas cylinder from sliding and dislodging. When driving the gas cylinder to rotate, the direct electric drive method eliminates the need for manual rotation and adjustment after the limit is released, thereby improving adjustment efficiency and reducing labor intensity.

[0050] Example 2

[0051] Reference Figure 3 This embodiment is based on Embodiment 1, but differs from Embodiment 1 in that the bottom of the L-shaped support plate 601 and the top of the L-shaped support rod 501 on the right side are detachably installed.

[0052] The top of the L-shaped support rod 501 on the right side is fixedly connected to an L-shaped mounting base 7. Two threaded grooves are opened on the inner left side of the L-shaped mounting base 7. T-shaped fixing bolts 8 are threaded in the threaded grooves. The L-shaped support plate 601 is threaded on the two T-shaped fixing bolts 8. The L-shaped support plate 601 has a threaded through hole for horizontal installation of the T-shaped fixing bolts 8.

[0053] The usage method of this embodiment is as follows: The difference from Embodiment 1 is that it also has the following functions: The gas cylinder rotation drive mechanism 6 is fixedly connected to the L-shaped support rod 501 on the right side by the L-shaped mounting base 7 and two T-shaped fixing bolts 8. In the future, the two T-shaped fixing bolts 8 can be rotated in the opposite direction to separate from the corresponding threaded groove, thereby releasing the fixation between the gas cylinder rotation drive mechanism 6 and the L-shaped mounting base 7. The gas cylinder rotation drive mechanism 6 can then be removed and installed on other equipment for use, improving the flexibility of use.

[0054] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A gas cylinder holder for gas cylinder inspection, comprising a base (1), characterized in that, include: The base (1) has a support seat (4) on top of it. The top of the support seat (4) is an arc-shaped structure and is fitted with multiple first anti-wear balls (401). Rotary seat (2) is fixedly connected to the bottom of support seat (4). Multiple support balls that are in contact with the top of base (1) are embedded on both sides of the bottom of the rotating seat (2). The brake motor (3) is embedded and fixed at the bottom of the base (1), and its output shaft is fixedly connected to the bottom of the rotating seat (2); Pressure control and limiting mechanism (5) is installed on both sides of rotating seat (2); The cylinder rotation drive mechanism (6) is installed on the top right side of the pressure control and limiting mechanism (5).

2. The gas cylinder holder for gas cylinder inspection according to claim 1, characterized in that, The pressure control and limiting mechanism (5) includes two L-shaped support rods (501), which are symmetrically fixedly connected to the outside of the rotating seat (2). Two limiting blocks (502) are provided between the two L-shaped support rods (501). The side of the two limiting blocks (502) that are close to each other is set with an arc structure and is fitted with a plurality of second anti-wear balls (506). The inner wall of the side of the two L-shaped support rods (501) that are far apart from each other is fitted with a first electric telescopic rod (505). The output shaft end of the first electric telescopic rod (505) A U-shaped block (503) is fixedly connected to the part, and a limiting block (502) is slidably sleeved on the corresponding U-shaped block (503). Pressure sensors (504) are fixedly connected to the inner walls of the two U-shaped blocks (503) on the side away from each other. A PLC controller (507) is fixedly connected to the left side of the L-shaped support rod (501) on the left side. The PLC controller (507) is electrically connected to the two pressure sensors (504) and the two first electric telescopic rods (505). The detection end of the pressure sensor (504) is fixedly connected to the limiting block (502).

3. A gas cylinder holder for gas cylinder inspection according to claim 2, characterized in that, The gas cylinder rotation drive mechanism (6) includes an L-shaped support plate (601). The bottom of the L-shaped support plate (601) is connected to the top of the L-shaped support rod (501) on the right side. A second electric telescopic rod (605) is embedded and fixed on the top left side of the L-shaped support plate (601). A third electric telescopic rod (604) is fixedly connected to the left end of the output shaft of the second electric telescopic rod (605). A U-shaped mounting rod (602) is fixedly connected to the bottom end of the output shaft of the third electric telescopic rod (604). A drive friction roller (603) is rotatably installed between the inner front wall and the inner rear wall of the U-shaped mounting rod (602). A drive motor (606) is fixedly installed on the front side of the U-shaped mounting rod (602). The rear end of the output shaft of the drive motor (606) is fixedly installed with the front end of the drive friction roller (603).

4. A gas cylinder holder for gas cylinder inspection according to claim 3, characterized in that, The bottom of the L-shaped support plate (601) is welded and fixed to the top of the L-shaped support rod (501) on the right side.

5. A gas cylinder holder for gas cylinder inspection according to claim 3, characterized in that, The bottom of the L-shaped support plate (601) and the top of the L-shaped support rod (501) on the right side are detachably installed. The top of the L-shaped support rod (501) on the right side is fixedly connected to an L-shaped mounting base (7). Two threaded grooves are opened on the inner left side of the L-shaped mounting base (7). T-shaped fixing bolts (8) are threaded in the threaded grooves. The L-shaped support plate (601) is threaded on the two T-shaped fixing bolts (8).

6. A gas cylinder holder for gas cylinder inspection according to claim 1, characterized in that, The bottom of the base (1) is fitted with a first storage battery, which is electrically connected to the brake motor (3).

7. A gas cylinder holder for gas cylinder inspection according to claim 3, characterized in that, A second battery is fixedly connected to the top left side of the rotating seat (2). The second battery is electrically connected to two first electric telescopic rods (505), two pressure sensors (504), a PLC controller (507), a drive motor (606), a second electric telescopic rod (605), and a third electric telescopic rod (604). A synchronous control switch is fixedly connected to the bottom of the first electric telescopic rod (505) on the left side. The synchronous control switch is electrically connected to the two first electric telescopic rods (505) and the PLC controller (507).

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