A grabbing device capable of clamping cylinders of various specifications

Abstract

The utility model discloses a grasping device capable of clamping cylinders of various specifications, belonging to the fields of aerospace technology and weapon technology, including an assembly component, a grasping unit, an adjustment component, and a locking component, wherein the assembly component is used to connect with an external mobile device, and the assembly component includes a first slide rail; the grasping unit is slidably connected to the first slide rail, and is provided with a plurality of grasping units along the setting direction of the first slide rail, for grasping and fixing the object to be grasped; the adjustment component is simultaneously connected to the grasping unit and the assembly component, for driving a plurality of grasping units to slide along the setting direction of the first slide rail; the locking component is connected to the grasping unit, and abuts against the assembly component. The grasping device capable of clamping cylinders of various specifications provided by the utility model solves the problem that the existing technology requires the replacement of grippers adapted thereto for grasping and fixing cylinders of different specifications during circulation, which seriously affects production efficiency. The utility model has a remarkable effect and is suitable for wide promotion.

Description

Technical Field

[0001] The utility model relates to the fields of aerospace technology and weapon technology, in particular to a grabbing device capable of clamping cylinder barrels of various specifications. Background Art

[0002] With the development of special vehicle technology, special vehicle chassis leveling system is indispensable. The leveling leg hydraulic cylinder is the core product in the leveling system, which can ensure the reliable locking of the vehicle after leveling. The locking sleeve hydraulic cylinder can be used on chassis of various tonnages. Among them, the cylinder barrel is the key part of the locking sleeve hydraulic cylinder, and there are many specifications.

[0003] In order to increase production capacity, an automated production line can be built, and through the application of robot technology, multiple finishing processes can be automated and fed and transferred to improve production efficiency. However, due to the large number of cylinder specifications, the outer diameters and lengths of different cylinders vary greatly, and each time the production line is changed, different grippers need to be replaced, which seriously reduces the efficiency of the automatic line. Currently, there is no equipment suitable for grabbing cylinders of multiple specifications on the market, so it is necessary to develop a device that can clamp cylinders of multiple specifications. Utility Model Content

[0004] In view of the above-mentioned defects, the technical problem solved by the utility model is to provide a grasping device that can clamp cylinders of various specifications, so as to solve the problem in the current technology that cylinders of different specifications need to be grasped and fixed by replacing the corresponding grippers during the circulation process, which seriously affects the production efficiency.

[0005] The utility model provides a grabbing device capable of clamping cylinders of various specifications, comprising:

[0006] An assembly component, used to connect with an external mobile device, the assembly component comprising a first slide rail;

[0007] A grabbing unit, which is slidably connected to the first slide rail and is provided in a plurality along the setting direction of the first slide rail, and is used to grab and fix the object to be grabbed;

[0008] An adjusting component, connected to the grabbing unit and the assembling component, and used for driving a plurality of the grabbing units to slide along a setting direction of the first slide rail;

[0009] The locking component is connected to the grabbing unit and abuts against the assembling component.

[0010] Preferably, the grabbing unit comprises:

[0011] A first sliding block is slidably connected to the first sliding rail, and the first sliding block is provided with a first sliding groove engaged with the first sliding rail;

[0012] A base connected to an end of the first sliding block away from the first sliding rail;

[0013] A grabbing member is slidably connected to the base, two grabbing members are centrally symmetrically arranged on the base, and the object to be grabbed is fixed between the two grabbing members;

[0014] A telescopic driver, one end of which is connected to the base and the other end of which is connected to the grabbing member, the telescopic driver and the grabbing member correspond one to one, and a transmission member is provided on the end of the grabbing member away from the telescopic driver;

[0015] The transmission wheel is rotatably connected to the base and is simultaneously connected to the transmission members on the two grabbing members, and the transmission members drive the transmission wheel to rotate.

[0016] Preferably, the adjustment component comprises:

[0017] A driving rod, rotatably connected to the assembly component, the driving rod being provided with a first transmission part and a second transmission part;

[0018] A moving block is connected to the driving rod and the grabbing unit at the same time, and the moving blocks are provided in plurality and are respectively arranged on the first transmission part and the second transmission part, and the moving blocks on the first transmission part move in opposite directions to the moving blocks on the second transmission part;

[0019] A driving handle connected to the driving rod;

[0020] A locking member is connected to both the driving handle and the assembly component, and is used to limit the relative position between the driving handle and the assembly component.

[0021] Preferably, the assembly component further comprises:

[0022] An assembly body, abutting against the locking assembly and having one side connected to the first slide rail;

[0023] A support block is rotatably connected to the driving rod and connected to the assembly, wherein the support block and the first slide rail are arranged on the same side of the assembly, and a plurality of the support blocks are arranged along the arrangement direction of the first slide rail;

[0024] A connecting piece is connected to the other side of the assembly and is used to connect to the external mobile device.

[0025] Preferably, the locking assembly corresponds to the grabbing unit one by one; the locking assembly includes two locking units, which are respectively arranged on both sides of the assembly body to limit the movement direction of the grabbing unit.

[0026] Preferably, the locking unit comprises:

[0027] A locking support plate connected to the base, wherein the locking support plate is an L-shaped structure;

[0028] A locking reinforcement plate connected to the locking support plate and used to increase the support strength of the locking support plate;

[0029] A locking push rod is connected to the locking support plate and abuts against the assembly body, and the locking push rod is vertically arranged to the assembly body.

[0030] Preferably, the grabbing member comprises:

[0031] A second sliding block is slidably connected to the base, the base is provided with a second sliding rail adapted to the second sliding block, and the second sliding block is provided with a second sliding groove engaged with the second sliding rail;

[0032] A grabbing frame connected to the telescopic driver and the transmission member, the grabbing frame and the transmission member are both provided with a plurality of the second sliding blocks, and the grabbing frame is provided with a mounting position for mounting the telescopic driver;

[0033] The contact block has one end connected to the grab frame and the other end provided with a fixed slot, the fixed slot is V-shaped and is used to fix the object to be grabbed. The contact block is provided with a plurality of them along a direction perpendicular to the moving direction of the grab frame.

[0034] Preferably, the transmission wheel is a gear, and the transmission member is provided with a rack portion meshing with the transmission wheel; and a plurality of second slide rails are symmetrically provided on both sides of the transmission wheel.

[0035] Preferably, a plurality of the first slide rails are symmetrically provided on both sides of the driving rod, and the first sliding blocks correspond one-to-one to the first slide rails; the first transmission part and the second transmission part are threaded structures with opposite rotation directions, the driving rod passes through the moving block, and the moving block is provided with a threaded hole adapted to the first transmission part or the second transmission part.

[0036] Preferably, the assembly component, the gripping unit and the locking component are all made of carbon steel.

[0037] It can be seen from the above scheme that the gripping device provided by the utility model that can clamp cylinders of various specifications is a robot gripper that can clamp cylinders of various specifications. The assembly components, gripping units and locking components are all made of carbon steel, and the structure is more stable and strong, and the manufacturing cost is lower. Through the setting of the first slide rail and multiple gripping units, the spacing between the multiple gripping units can be manually adjusted to adapt to cylinder workpieces of different lengths; the spacing between the two gripping members on the gripping unit can be automatically adjusted, so as to better adapt to cylinder workpieces of different diameters. The device has better adaptability and effectively improves the efficiency of the circulation and processing of cylinders of different sizes. The utility model solves the problem that the existing technology of cylinders of different specifications needs to replace the grippers that match them for gripping and fixing during the circulation process, which seriously affects the production efficiency. The effect is remarkable and suitable for wide promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0039] Figure 1 A schematic diagram of the structure of a gripping device capable of clamping cylinders of various specifications provided by the utility model;

[0040] Figure 2 A schematic diagram of the structure of an adjustment assembly of a gripping device capable of clamping cylinders of various specifications provided by the utility model;

[0041] Figure 3 A schematic diagram of the side structure of a gripping device capable of clamping cylinders of various specifications provided by the utility model;

[0042] Figure 4 For along Figure 3 The cross-sectional structure diagram along the AA line;

[0043] Figure 5 A schematic diagram of the structure of a grabbing unit of a grabbing device capable of clamping cylinders of various specifications provided by the utility model;

[0044] Figure 6 The utility model provides a schematic structural diagram of a driving wheel of a grabbing device capable of clamping cylinders of various specifications.

[0045] Figure 1-6 middle:

[0046] 1. Assembly component; 2. Grabbing unit; 3. Adjustment component; 4. Locking component; 5. Proximity switch; 6. Detection module; 11. First slide rail; 12. Assembly body; 13. Support block; 14. Connector; 21. First slider; 22. Base; 23. Grabbing member; 24. Telescopic driver; 25. Transmission wheel; 26. Transmission member; 31. Driving rod; 32. Moving block; 33. Driving handle; 34. Locking member; 41. Locking unit; 211. First slide groove; 221. Second slide rail; 231. Second slider; 232. Grabbing frame; 233. Contact block; 261. Rack part; 311. First transmission part; 312. Second transmission part; 411. Locking support plate; 412. Locking reinforcement plate; 413. Locking top rod; 2331. Fixed slot. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0048] Please also read Figures 1 to 6 Now, a specific embodiment of a grasping device capable of clamping cylinders of various specifications provided by the utility model is described. The grasping device capable of clamping cylinders of various specifications comprises an assembly component 1, a grasping unit 2, an adjustment component 3, and a locking component 4, wherein the assembly component 1 is used to connect with an external mobile device, and the assembly component 1 comprises a first slide rail 11; the grasping unit 2 is slidably connected to the first slide rail 11, and is provided with a plurality of grasping units 2 along the setting direction of the first slide rail 11, for grasping and fixing the object to be grasped; the adjustment component 3 is simultaneously connected to the grasping unit 2 and the assembly component 1, for driving a plurality of grasping units 2 to slide along the setting direction of the first slide rail 11; the locking component 4 is connected to the grasping unit 2, and is in contact with the assembly component 1, for limiting the movement range of the grasping unit 2, and preventing the grasping unit 2 from slipping during the movement along the first slide rail 11. The external mobile device may be a robotic arm for transportation, and the object to be grasped may be a cylinder of different specifications and models.

[0049] For illustration purposes, see Figure 1 , take any point in space as the origin, take the setting direction of the assembly component 1 relative to the grab unit 2 as the Z axis, take the setting direction of the first slide rail 11 as the X axis, and take the straight line direction perpendicular to both the X axis and the Z axis as the Y axis to establish a rectangular coordinate system, wherein the XY plane is a horizontal plane, the direction indicated on the horizontal plane is the horizontal direction, and the direction indicated by the Z axis is the vertical direction.

[0050] Compared with the prior art, the assembly component 1, the gripping unit 2 and the locking component 4 of the gripping device that can clamp cylinders of various specifications are all made of carbon steel material, and the structure is more stable and strong, and the manufacturing cost is lower; through the setting of the first slide rail 11 and multiple gripping units 2, the spacing between the multiple gripping units 2 can be manually adjusted to adapt to cylinder workpieces of different lengths; the spacing between the two gripping members 23 on the gripping unit 2 can be automatically adjusted to better adapt to cylinder workpieces of different diameters. The device has better adaptability and effectively improves the efficiency of the circulation and processing of cylinders of different sizes.

[0051] As another embodiment of the present invention, the structure of the grasping device capable of clamping cylinders of various specifications is basically the same as that in the above-mentioned embodiment, except that the grasping unit 2 includes a first slider 21, a base 22, a grasping member 23, a telescopic driver 24, and a transmission wheel 25, wherein the first slider 21 is slidably connected to the first slide rail 11, and the first slider 21 is provided with a first slide groove 211 engaged with the first slide rail 11; the base 22 is connected to an end of the first slider 21 away from the first slide rail 11; the grasping member 23 It is slidably connected to the base 22, and two grabbing members 23 are provided on the base 22 in a centrally symmetrical shape. The object to be grabbed is fixed between the two grabbing members 23; one end of the telescopic driver 24 is connected to the base 22, and the other end is connected to the grabbing member 23. The telescopic driver 24 corresponds to the grabbing member 23 one by one, and a transmission member 26 is provided on the end of the grabbing member 23 away from the telescopic driver 24; the transmission wheel 25 is rotatably connected to the base 22 and is simultaneously connected to the transmission members 26 on the two grabbing members 23, and the transmission member 26 drives the transmission wheel 25 to rotate.

[0052] In this embodiment, there are two gripping units 2, the transmission wheel 25 is a gear, and the transmission member 26 is provided with a rack portion 261 meshing with the transmission wheel 25. The base 22 is welded with high-quality carbon steel, and the whole is stable and reliable. The telescopic drive 24 can be a telescopic cylinder. Through the arrangement of the telescopic drive 24 and the gear rack, the spacing between the two gripping units 2 can be symmetrically adjusted. For example, it can adapt to cylinder workpieces with a diameter of 80mm-280mm.

[0053] As another embodiment of the present utility model, the structure of the grasping device that can clamp cylinders of various specifications is basically the same as the structure in the above-mentioned embodiment, except that the adjustment component 3 includes a driving rod 31, a moving block 32, a driving handle 33, and a locking member 34, wherein the driving rod 31 is rotatably connected to the assembly component 1, and the driving rod 31 is provided with a first transmission part 311 and a second transmission part 312; the moving block 32 is connected to the driving rod 31 and the grasping unit 2 at the same time, and a plurality of moving blocks 32 are provided, which are respectively arranged on the first transmission part 311 and the second transmission part 312, and the moving blocks 32 on the first transmission part 311 and the moving blocks 32 on the second transmission part 312 move in opposite directions; the driving handle 33 is connected to the driving rod 31; the locking member 34 is connected to the driving handle 33 and the assembly component 1 at the same time, and is used to limit the relative position between the driving handle 33 and the assembly component 1.

[0054] In this embodiment, a plurality of first slide rails 11 are symmetrically arranged on both sides of the driving rod 31, and the first slider 21 corresponds to the first slide rail 11 one by one. This structure makes the force between the grabbing unit 2 and the assembly component 1 more uniform, which is beneficial to the stability of the movement of the grabbing unit 2; the first transmission part 311 and the second transmission part 312 are threaded structures with opposite rotation directions, and the driving rod 31 is arranged through the moving block 32, and the moving block 32 is provided with a threaded hole adapted to the first transmission part 311 or the second transmission part 312. The driving handle 33 can be a PHLFK125-12 spoke handwheel, and the driving rod 31 can be a LJR72-d20 lead screw. The rotation of the driving rod 31 drives the two groups of moving blocks 32 on the threads with opposite rotation directions to move toward or away from each other, thereby adjusting the distance between the two grabbing units 2.

[0055] As another embodiment of the present utility model, the structure of the grasping device that can clamp cylinders of various specifications is basically the same as the structure in the above-mentioned embodiment, the difference being that the assembly component 1 also includes an assembly body 12, a support block 13, and a connecting piece 14, wherein the assembly body 12 abuts against the locking component 4, and one side is connected to the first slide rail 11; the support block 13 is rotatably connected to the drive rod 31 and is connected to the assembly body 12, the support block 13 and the first slide rail 11 are arranged on the same side of the assembly body 12, and several support blocks 13 and the first slide rail 11 are arranged along the setting direction of the first slide rail 11, a bearing is provided between the drive rod 31 and the support block 13, and is arranged through the support block 13; the connecting piece 14 is connected to the other side of the assembly body 12 for connecting to an external mobile device.

[0056] In this embodiment, the assembly 12 is a frame structure with a plurality of weight-reducing holes. The assembly 12 is welded with high-quality carbon steel and is stable and reliable as a whole. The first slide rail 11 is provided to ensure that the grabbing unit 2 can slide freely on it, thereby adjusting the distance between the two grabbing units 2 to adapt to cylinder workpieces of different lengths. The adjustable distance between the two grabbing units 2 is 0-340mm. The connector 14 can be a connecting flange that is convenient for connecting to the sixth axis of the industrial robot. The flange is welded with high-quality carbon steel and is stable and reliable as a whole. Here, as long as the above-mentioned connector 14 and the assembly 12 can achieve the relevant performance functions, they are all within the scope of protection of this application document.

[0057] As another embodiment of the present invention, the structure of the gripping device capable of clamping cylinders of various specifications is basically the same as that of the above embodiment, except that the locking assembly 4 corresponds to the gripping unit 2 one by one; the locking assembly 4 includes two locking units 41, which are respectively arranged on both sides of the assembly 12 to limit the movement direction of the gripping unit 2. The setting of the locking assembly 4 utilizes the principle of top pulling to prevent the first slide block 21 from separating from the first slide rail 11 during operation.

[0058] In this embodiment, the locking unit 41 includes a locking support plate 411, a locking reinforcement plate 412, and a locking top rod 413, wherein the locking support plate 411 is connected to the base 22, and the locking support plate 411 is an L-shaped structure; the locking reinforcement plate 412 is connected to the locking support plate 411, and is used to increase the supporting strength of the locking support plate 411; the locking top rod 413 is connected to the locking support plate 411 and abuts against the assembly 12, and the locking top rod 413 is vertically arranged to the assembly 12.

[0059] In this embodiment, the locking push rod 413 is a combination of a bolt and a nut, and the locking support plate 411 is threadedly connected to the locking push rod 413. Loosening the nut can adjust the relative position between the bolt and the locking support plate 411, and tightening the nut can achieve the limited fixation of the bolt. The locking support plate 411 and the locking reinforcement plate 412 are welded with high-quality carbon steel, which is stable and reliable.

[0060] As another embodiment of the present invention, the structure of the grabbing device capable of clamping cylinders of various specifications is basically the same as that in the above-mentioned embodiment, except that the grabbing member 23 includes a second slider 231, a grabbing frame 232, and a contact block 233, wherein the second slider 231 is slidably connected to the base 22, the base 22 is provided with a second slide rail 221 adapted to the second slider 231, and the second slider 231 is provided with a second slide groove engaged with the second slide rail 221; the grabbing frame 232 is connected to the telescopic driver 24 and is connected to the transmission member 26 The grab frame 232 and the transmission member 26 are connected, and a plurality of second sliders 231 are provided on the grab frame 232. A mounting position for installing the telescopic drive 24 is provided on the grab frame 232. One end of the contact block 233 is connected to the grab frame 232, and a fixed card slot 2331 is provided on the other end. The fixed card slot 2331 is V-shaped and is used to fix the object to be grasped, that is, to position and clamp the cylindrical surface of the cylinder. The contact blocks 233 are provided with a plurality of contact blocks 233 along a direction perpendicular to the moving direction of the grab frame 232. For example, two contact blocks 233 are provided along a direction perpendicular to the moving direction of the grab frame 232.

[0061] In this embodiment, the first slider 21 and the second slider 231 are both C-shaped structures. The first slider is engaged with the first slide rail 11 and slides along the first slide rail 11. The second slider 231 is engaged with the second slide rail 221 and slides along the second slide rail 221. The first slide rail 11 is perpendicular to the second slide rail 221. A plurality of second slide rails 221 are symmetrically arranged on both sides of the transmission wheel 25. The second slider 231 and the second slide rail 221 are arranged in a coordinated manner to facilitate the sliding of a single grabbing frame 232 on the base 22. The contact block 233 is made of nylon to avoid scratching the surface of the cylinder workpiece.

[0062] As another embodiment of the present invention, the structure of the grasping device capable of clamping cylinders of various specifications is basically the same as the structure in the above-mentioned embodiment, except that the device further includes a proximity switch 5 and a detection module 6. The proximity switch 5 is used to monitor the contact between the contact block 233 and the cylinder; the detection module 6 is used to monitor the processing of the cylinder surface or the installation status of the cylinder.

[0063] In this embodiment, a spring is provided between the contact block 233 and the grab frame 232, and a limit column is provided on the contact block 233, which penetrates the grab frame 232 and is slidably connected to the grab frame 232, and the limit column penetrates the spring arrangement; a clamping sensor electrically connected to the proximity switch 5 is provided on the spring. The arrangement of the spring can not only play a role in shock absorption of the moving cylinder, but also provide a certain buffer space when grabbing the cylinder, so as to avoid collision damage to the cylinder and better clamp the cylinder. The clamping sensor can monitor the clamping state of the cylinder in real time, so as to better prevent the cylinder from slipping, and the clamping effect is more stable and reliable during the working process.

[0064] The implementation process of the grasping device that can clamp cylinders of various specifications is as follows: connect with the six-axis manipulator through the connecting piece 14; connect the air source to the telescopic drive 24, set the air pressure, and the recommended pressure is 0.4-0.6MPa; according to the length L of the cylinder to be grasped, rotate the drive handle 33 to adjust the drive rod 31 during the first piece processing, and adjust the distance between the two grasping units 2 to (0.4-0.6)L; when the telescopic drive 24 is fully retracted, the two grasping members 23 of the grasping unit 2 are fully opened to adapt to the grasping of the largest specification of the cylinder; when the telescopic drive 24 is fully extended, the two grasping members 23 of the grasping unit 2 are fully closed to adapt to the grasping of the smallest specification of the cylinder; for the cylinder of intermediate specifications, the cylinder can be adaptively clamped under the action of the telescopic drive 24. It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0065] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced. The contents not described in detail in the embodiments of the utility model belong to the prior art known to professional and technical personnel in this field.

[0066] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A gripping device capable of clamping cylinders of various specifications, characterized in that: include: An assembly component (1) is used to connect to an external mobile device, and the assembly component (1) comprises a first slide rail (11); A grabbing unit (2) is slidably connected to the first slide rail (11) and is provided in a plurality along the setting direction of the first slide rail (11), and is used to grab and fix the object to be grabbed; An adjusting component (3) is connected to the grabbing unit (2) and the assembling component (1) and is used to drive a plurality of the grabbing units (2) to slide along the setting direction of the first slide rail (11); A locking component (4) is connected to the grabbing unit (2) and abuts against the assembling component (1).

2. A gripping device capable of clamping cylinders of various specifications according to claim 1, characterized in that: The grabbing unit (2) comprises: A first sliding block (21) is slidably connected to the first sliding rail (11), and the first sliding block (21) is provided with a first sliding groove (211) engaged with the first sliding rail (11); A base (22) connected to an end of the first sliding block (21) away from the first sliding rail (11); A gripping member (23) is slidably connected to the base (22), two gripping members (23) are centrally symmetrically provided on the base (22), and the object to be gripped is fixed between the two gripping members (23); a telescopic driver (24), one end of which is connected to the base (22) and the other end of which is connected to the grabbing member (23); the telescopic driver (24) corresponds to the grabbing member (23) in a one-to-one manner, and a transmission member (26) is provided on the end of the grabbing member (23) away from the telescopic driver (24); The transmission wheel (25) is rotatably connected to the base (22) and is simultaneously connected to the transmission members (26) on the two grabbing members (23); the transmission member (26) drives the transmission wheel (25) to rotate.

3. A gripping device capable of clamping cylinders of various specifications according to claim 2, characterized in that: The regulating component (3) comprises: A driving rod (31) is rotatably connected to the assembly component (1), and the driving rod (31) is provided with a first transmission part (311) and a second transmission part (312); a moving block (32) connected to the driving rod (31) and the grabbing unit (2); a plurality of the moving blocks (32) are provided and are respectively arranged on the first transmission part (311) and the second transmission part (312); the moving blocks (32) on the first transmission part (311) and the moving blocks (32) on the second transmission part (312) move in opposite directions; A driving handle (33) connected to the driving rod (31); A locking member (34) is connected to both the driving handle (33) and the assembly component (1) and is used to limit the relative position between the driving handle (33) and the assembly component (1).

4. A gripping device capable of clamping cylinders of various specifications according to claim 3, characterized in that: The assembly component (1) further comprises: An assembly (12) abuts against the locking assembly (4) and has one side connected to the first slide rail (11); a support block (13) rotatably connected to the driving rod (31) and connected to the assembly (12); the support block (13) and the first slide rail (11) are arranged on the same side of the assembly (12), and a plurality of the support blocks (13) are arranged along the arrangement direction of the first slide rail (11); A connecting member (14) is connected to the other side of the assembly (12) and is used to connect to the external mobile device.

5. A gripping device capable of clamping cylinders of various specifications according to claim 4, characterized in that: The locking assembly (4) corresponds to the grabbing unit (2) one by one; the locking assembly (4) comprises two locking units (41), and the two locking units (41) are respectively arranged on both sides of the assembly (12) to limit the movement direction of the grabbing unit (2).

6. A gripping device capable of clamping cylinders of various specifications according to claim 5, characterized in that: The locking unit (41) comprises: A locking support plate (411) connected to the base (22), wherein the locking support plate (411) is an L-shaped structure; A locking reinforcement plate (412) connected to the locking support plate (411) and used to increase the support strength of the locking support plate (411); A locking push rod (413) is connected to the locking support plate (411) and abuts against the assembly (12); the locking push rod (413) and the assembly (12) are arranged vertically.

7. The gripping device capable of clamping cylinders of various specifications according to claim 2, characterized in that: The grabbing member (23) comprises: A second sliding block (231) is slidably connected to the base (22); the base (22) is provided with a second sliding rail (221) adapted to the second sliding block (231); the second sliding block (231) is provided with a second sliding groove engaged with the second sliding rail (221); a grabbing frame (232) connected to the telescopic driver (24) and the transmission member (26); a plurality of second sliding blocks (231) are provided on the grabbing frame (232) and the transmission member (26); and a mounting position for mounting the telescopic driver (24) is provided on the grabbing frame (232); A contact block (233) is connected to the grab frame (232) at one end and is provided with a fixed slot (2331) at the other end. The fixed slot (2331) is V-shaped and is used to fix the object to be grabbed. The contact block (233) is provided with a plurality of slots along a direction perpendicular to the moving direction of the grab frame (232).

8. The gripping device capable of clamping cylinders of various specifications according to claim 7, characterized in that: The transmission wheel (25) is a gear, and the transmission member (26) is provided with a rack portion (261) meshing with the transmission wheel (25); a plurality of second slide rails (221) are symmetrically provided on both sides of the transmission wheel (25).

9. The gripping device capable of clamping cylinders of various specifications according to claim 3, characterized in that: A plurality of the first slide rails (11) are symmetrically arranged on both sides of the driving rod (31), and the first sliding blocks (21) correspond to the first slide rails (11) one by one; the first transmission part (311) and the second transmission part (312) are threaded structures with opposite rotation directions, the driving rod (31) passes through the moving block (32), and the moving block (32) is provided with a threaded hole adapted to the first transmission part (311) or the second transmission part (312).

10. The gripping device capable of clamping cylinders of various specifications according to claim 1, characterized in that: The assembly component (1), the grabbing unit (2) and the locking component (4) are all made of carbon steel.

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