Gas cylinder gripping device

Abstract

The utility model belongs to the technical field of gas cylinder transportation, and particularly relates to a gas cylinder grabbing device which comprises a plurality of sets of clamping jaws. A supporting shaft and a positioning shaft; support plates are mounted on the first clamping arm and the second clamping arm; the groove hole comprises a movable groove and a positioning groove matched with the positioning shaft, and the positioning groove is located above the movable groove and communicates with the movable groove; a clamping mechanism; the vertical shaft is fixedly installed on the supporting shaft, a top cap is fixedly arranged at the top end of the vertical shaft, and the vertical shaft is slidably sleeved with a lantern ring between the supporting shaft and the top cap. The mounting frame is fixedly mounted on the positioning shaft, and a clamping block is transversely mounted in the mounting hole in a sliding manner; and an elastic mechanism for driving the clamping block to move in the direction close to the vertical shaft is mounted on the mounting frame. The gas cylinder clamping device has the advantages that the clamping jaw, the supporting shaft, the positioning shaft and the clamping mechanism are matched with one another, the clamping jaw is locked when the positioning shaft is located in the positioning groove, the gas cylinder is clamped, a power mechanism does not need to be additionally arranged to open and close the clamping jaw, the equipment cost is saved, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas cylinder transportation, and in particular relates to a gas cylinder grabbing device. Background Art

[0002] With the development of the gas filling industry, the demand for bottled gas has increased significantly.

[0003] When transporting gas cylinders, the existing domestic filling systems mainly use a mechanical claw to grab the gas cylinder, and then drive the mechanical claw and the gas cylinder to change their spatial position to complete the transportation of the gas cylinder.

[0004] In the process of clamping and moving gas cylinders, one set of power components is generally used to control the opening and closing of the mechanical claws to complete the clamping and placement of the gas cylinders, and then another set of power components is used to drive the mechanical claws and the gas cylinders to move. The two sets of power components are unrelated to each other, resulting in a waste of resources. Utility Model Content

[0005] The purpose of the utility model is to provide a gas cylinder grasping device, which completes the clamping of the gas cylinder by locking the clamping jaws when the positioning shaft is located in the positioning groove through the mutual cooperation of the clamping jaws, the supporting shaft, the positioning shaft and the clamping mechanism, and does not need to set up an additional power mechanism to open and close the clamping jaws, thus saving equipment costs and having strong practicality.

[0006] In order to achieve the above technical purpose, the technical solution adopted by the utility model is as follows:

[0007] A gas cylinder grabbing device, comprising:

[0008] A plurality of groups of clamping jaws arranged along the axis direction of the gas cylinder, wherein the clamping jaws include a first clamping arm and a second clamping arm;

[0009] A support shaft, the central axis of which is parallel to the central axis of the gas cylinder and is located above the gas cylinder, and the first clamp arm and the second clamp arm are both rotatably mounted on the support shaft and are respectively located on the left and right sides of the support shaft;

[0010] A positioning shaft, the central axis of which is parallel to the central axis of the supporting shaft and is located above the supporting shaft;

[0011] The first clamp arm and the second clamp arm are both provided with a support plate, the support plate is provided with a slot hole along the central axis direction of the positioning shaft, and the positioning shaft is inserted into the slot hole;

[0012] The slot hole includes a movable slot and a positioning slot matching the positioning shaft, the positioning slot is located above the movable slot and is communicated with the movable slot, and when the positioning shaft is clamped in the positioning slot, the first clamp arm and the second clamp arm cannot rotate;

[0013] A clamping mechanism, the clamping mechanism comprising a vertical shaft and a mounting frame;

[0014] The vertical shaft is fixedly mounted on the support shaft and is located between the support shaft and the positioning shaft. A top cap is fixedly arranged on the top of the vertical shaft. A collar is slidably sleeved on the vertical shaft between the support shaft and the top cap. The cross section of the collar is an inverted cone structure with a larger top and a smaller bottom.

[0015] The mounting frame is fixedly mounted on the positioning shaft and is located between the supporting shaft and the positioning shaft. A mounting hole is horizontally opened on the mounting frame. A clamping block is horizontally slidably mounted in the mounting hole. The inner end of the clamping block is inclined from top to bottom away from the vertical axis.

[0016] The mounting frame is provided with an elastic mechanism for driving the clamping block to move in a direction close to the vertical axis.

[0017] It is further defined that the elastic mechanism includes a compression spring, a fixing bolt and a stopper, the stopper is fixedly mounted on the mounting frame and is located on the side of the mounting frame away from the vertical axis, the fixing bolt passes through the stopper and is screwed on the clamping block, and the compression spring is sleeved on the fixing bolt and is located between the clamping block and the stopper. Such a structural design, through the compression spring, the fixing bolt and the stopper to form an elastic mechanism, completes the pushing of the clamping block, has a simple structure and is easy to install. At the same time, the bolt head of the fixing bolt can also be used to limit the maximum inward moving distance of the clamping block under the action of the compression spring, so as to prevent the clamping block from completely leaving the mounting hole under the push of the compression spring, and has strong practicality.

[0018] It is further defined that a guide column is vertically provided on the support shaft, a guide hole is opened on the positioning shaft, and the guide column is inserted into the guide hole. Such a structural design limits the rotational freedom of the support shaft relative to the positioning shaft through the mutual matching of the guide column and the guide hole, thereby preventing the relative position between the vertical shaft and the mounting frame from being offset after the support shaft rotates, and has strong practicality.

[0019] It is further defined that there are multiple mounting holes, and the multiple mounting holes are evenly distributed along the circumference of the central axis of the vertical axis. Such a structural design, through multiple clamping blocks to clamp the top cap, makes the mounting frame more evenly stressed and has strong practicality.

[0020] It is further defined that an auxiliary platform is fixedly provided at the upper end of the collar, and the auxiliary platform is in the shape of a cone with a small top and a large bottom, and a receiving groove for receiving the auxiliary platform is provided on the lower end surface of the top cap. With such a structural design, the card block can be more conveniently slid off the collar through the cooperation between the auxiliary platform and the inner end of the card block, making it more convenient to use.

[0021] It is further defined that the top cap is in the shape of a cone with a small top and a large bottom. With such a structural design, the block can be more easily slid off the top cap through the cooperation between the top cap and the inner end of the block, making it more convenient to use.

[0022] It is further defined that a connecting rod is installed between the plurality of first clamp arms. With such a structural design, the plurality of first clamp arms in the plurality of groups of clamps are fixedly connected to each other through the connecting rod, so that the plurality of first clamp arms can move synchronously, thereby clamping the gas cylinder, making the clamping more stable and more practical.

[0023] It is further defined that a connecting rod is installed between the plurality of second clamp arms. With such a structural design, the plurality of second clamp arms in the plurality of groups of clamps are fixedly connected to each other through the connecting rod, so that the plurality of second clamp arms can move synchronously, thereby clamping the gas cylinder, making the clamping more stable and more practical.

[0024] The utility model adopting the above technical solution has the following advantages:

[0025] 1. Through the cooperation of the clamping jaws, the supporting shaft, the positioning shaft and the clamping mechanism, the clamping jaws are locked when the positioning shaft is in the positioning groove to complete the clamping of the gas cylinder. There is no need to set up a power mechanism to open and close the clamping jaws, which saves equipment costs and is highly practical.

[0026] 2. The elastic mechanism is formed by the compression spring, the fixing bolt and the stopper to push the block. The structure is simple and the installation is convenient. At the same time, the bolt head of the fixing bolt can also be used to limit the maximum inward movement distance of the block under the action of the compression spring, so as to prevent the block from being completely separated from the mounting hole under the push of the compression spring. The utility model is strong.

[0027] 3. By matching the guide column and the guide hole, the rotational freedom of the support shaft relative to the positioning shaft is limited, so as to avoid the relative position between the vertical shaft and the mounting frame being offset after the support shaft rotates, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings;

[0029] Figure 1 This is a structural schematic diagram of an embodiment of a gas cylinder grabbing device of the utility model;

[0030] Figure 2 This is a cross-sectional structural schematic diagram of an embodiment of a gas cylinder grabbing device of the utility model;

[0031] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0032] Figure 4 This is a schematic structural diagram of a clamping claw portion in an embodiment of a gas cylinder grabbing device of the utility model;

[0033] Figure 5 The structure of a gas cylinder grabbing device of the utility model is shown in FIG. Figure 2 ;

[0034] Figure 6 The structure of a gas cylinder grabbing device of the utility model is shown in FIG. Figure 3 ;

[0035] Figure 7 The structure of a gas cylinder grabbing device of the utility model is shown in FIG. Figure 4 ;

[0036] Figure 8 The structure of a gas cylinder grabbing device of the utility model is shown in FIG. Figure 5 ;

[0037] Fig. 9 The structure of a gas cylinder grabbing device of the utility model is shown in FIG. Figure 6 ;

[0038] The main component symbols are described as follows:

[0039] Clamping jaw 1, gas cylinder 10, first clamping arm 11, second clamping arm 12, support plate 13, movable groove 131, positioning groove 132,

[0040] Support shaft 2, vertical shaft 20, top cap 21, receiving groove 210, sleeve ring 22, auxiliary platform 220,

[0041] Positioning shaft 3, mounting frame 30, clamping block 31, compression spring 311, fixing bolt 312, stopper 313,

[0042] Guide column 4, connecting rod 40. DETAILED DESCRIPTION

[0043] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that in the drawings or in the specification, similar or identical parts use the same figure numbers, and the implementation methods not shown or described in the drawings are forms known to ordinary technicians in the relevant technical field. In addition, the directional terms mentioned in the embodiments, such as "upper", "lower", "top", "bottom", "left", "right", "front", "back", etc., are only referenced to the directions of the drawings and are not used to limit the scope of protection of the present invention.

[0044] like Figures 1 to 9 As shown, a gas cylinder grabbing device of the utility model comprises:

[0045] A plurality of groups of clamping jaws 1 are arranged along the axis direction of the gas cylinder 10, and the clamping jaws 1 include a first clamping arm 11 and a second clamping arm 12;

[0046] A support shaft 2, the central axis of the support shaft 2 is parallel to the central axis of the gas cylinder 10 and is located above the gas cylinder 10, and the first clamp arm 11 and the second clamp arm 12 are both rotatably mounted on the support shaft 2 and are respectively located on the left and right sides of the support shaft 2;

[0047] A positioning shaft 3, the central axis of which is parallel to the central axis of the supporting shaft 2 and is located above the supporting shaft 2;

[0048] like Figure 4 As shown, a support plate 13 is installed on both the first clamping arm 11 and the second clamping arm 12. The support plate 13 is provided with a slot along the central axis direction of the positioning shaft 3, and the positioning shaft 3 is inserted into the slot;

[0049] The slot hole includes a movable slot 131 and a positioning slot 132 matching the positioning shaft 3. The positioning slot 132 is located above the movable slot 131 and is connected to the movable slot 131. When the positioning shaft 3 is clamped in the positioning slot 132, the first clamp arm 11 and the second clamp arm 12 cannot rotate.

[0050] like Figure 3 As shown, the clamping mechanism includes a vertical shaft 20 and a mounting frame 30;

[0051] The vertical shaft 20 is fixedly mounted on the support shaft 2 and is located between the support shaft 2 and the positioning shaft 3. A top cap 21 is fixedly mounted on the top of the vertical shaft 20. A sleeve 22 is slidably mounted between the support shaft 2 and the top cap 21. The cross section of the sleeve 22 is an inverted cone structure with a larger top and a smaller bottom.

[0052] The mounting frame 30 is fixedly mounted on the positioning shaft 3 and is located between the support shaft 2 and the positioning shaft 3. A mounting hole is horizontally opened on the mounting frame 30. A clamping block 31 is horizontally slidably mounted in the mounting hole. The inner end of the clamping block 31 is inclined from top to bottom away from the vertical shaft 20.

[0053] An elastic mechanism is installed on the mounting frame 30 to drive the clamping block 31 to move toward the direction close to the vertical axis 20 .

[0054] like Figure 3As shown, the elastic mechanism includes a compression spring 311, a fixing bolt 312 and a stopper 313. The stopper 313 is fixedly mounted on the mounting frame 30 and is located on the side of the mounting frame 30 away from the vertical axis 20. The fixing bolt 312 passes through the stopper 313 and is screwed on the clamping block 31. The compression spring 311 is sleeved on the fixing bolt 312 and is located between the clamping block 31 and the stopper 313. In fact, according to actual conditions, it is also possible to select, for example, an extension rod passing through the mounting hole is set on the side of the block 31 away from the vertical axis 20, and then a tension spring fixedly connected to the mounting frame 30 is installed at the end of the extension rod, so that the extension spring pulls the extension rod inward, thereby driving the block 31 to move toward the vertical axis 20. In this embodiment, an elastic mechanism is formed by the compression spring 311, the fixing bolt 312 and the stop block 313 to complete the pushing of the block 31, and the structure is simple and the installation is convenient. At the same time, the bolt head of the fixing bolt 312 can also be used to limit the maximum inward moving distance of the block 31 under the action of the compression spring 311, so as to prevent the block 31 from completely detaching from the mounting hole under the push of the compression spring 311, and the practicability is strong.

[0055] A guide column 4 is vertically arranged on the support shaft 2, and a guide hole is opened on the positioning shaft 3, and the guide column 4 is inserted into the guide hole. By matching the guide column 4 with the guide hole, the rotational freedom of the support shaft 2 relative to the positioning shaft 3 is limited, so that the relative position between the vertical shaft 20 and the mounting frame 30 is prevented from being offset after the support shaft 2 rotates, and the practicability is strong.

[0056] There are multiple mounting holes, and the multiple mounting holes are evenly distributed along the circumference of the central axis of the vertical shaft 20. The top cap 21 is clamped by multiple clamping blocks 31, so that the mounting frame 30 is more evenly stressed and has strong practicality.

[0057] like Figure 3 As shown, an auxiliary platform 220 is fixedly provided at the upper end of the collar 22, and the auxiliary platform is in the shape of a cone with a small top and a large bottom. A receiving groove 210 for receiving the auxiliary platform 220 is provided on the lower end surface of the top cap 21. Through the cooperation between the auxiliary platform 220 and the inner end of the clamping block 31, the clamping block 31 can be more conveniently slid off the collar 22, and is more convenient to use.

[0058] like Figure 3 As shown, the top cap 21 is in the shape of a cone with a small top and a large bottom. Through the cooperation between the top cap 21 and the inner end of the clamping block 31, the clamping block 31 can be more conveniently slid off the top cap 21, and it is more convenient to use.

[0059] A connecting rod 40 is installed between the multiple first clamping arms 11. The connecting rod 40 completes the fixed connection between the multiple first clamping arms 11 in the multiple groups of clamping jaws 1, so that the multiple first clamping arms 11 can move synchronously, thereby completing the clamping of the gas cylinder 10, and the clamping is more stable and practical.

[0060] A connecting rod 40 is installed between the multiple second clamping arms 12. The connecting rod 40 completes the fixed connection between the multiple second clamping arms 12 in the multiple groups of clamping jaws 1, so that the multiple second clamping arms 12 can move synchronously, thereby completing the clamping of the gas cylinder 10, and the clamping is more stable and practical.

[0061] In this embodiment, when grabbing, the gas cylinder 10 is placed horizontally, the power mechanism is fixedly connected to the positioning shaft 3, and the power mechanism is used to drive the grabbing device to move horizontally through the positioning shaft 3 until the grabbing device is located above the gas cylinder 10. During this process, the inner end of the clamping block 31 is pressed against the vertical shaft 20, and the top wall of the clamping block 31 is pressed against the lower end surface of the top cap 21, thereby forming a support for the support shaft 2 (such as Figure 1-Figure 3 shown);

[0062] The power mechanism drives the grasping device to move downward until the lower ends of the first clamping arm 11 and the second clamping arm 12 are against the gas cylinder 10, and the grasping device continues to be lowered. The gas cylinder 10 applies a reaction force to the first clamping arm 11 and the second clamping arm 12, so that the first clamping arm 11 and the second clamping arm 12 rotate around the support shaft 2. During this process, the positioning shaft 3 is located in the movable groove 131, and does not cause any obstruction to the rotation of the first clamping arm 11 and the second clamping arm 12 (such as Figure 5 As shown), until the lower ends of the first clamp arm 11 and the second clamp arm 12 pass over the central axis of the gas cylinder 10, at which time, the first clamp arm 11 and the second clamp arm 12 automatically close under the action of their own gravity to form a grip for the gas cylinder 10, until the gripping device is completely placed on the gas cylinder 10, at which time the gripping device is supported by the gas cylinder 10;

[0063] Continue to lower the positioning shaft 3, driving the positioning shaft 3 to move downward relative to the support shaft 2, so that the clamping block 31 slides from the auxiliary platform 220 of the collar 22 to the bottom of the collar 22 (such as Figure 7 shown);

[0064] The power mechanism drives the positioning shaft 3 to move upward, and the clamping block 31 moves inward under the action of the compression spring 311, and is clamped under the collar 22, driving the collar 22 to move upward relative to the top cap 21 until the auxiliary platform 220 enters the receiving groove 210 (such as Figure 8 shown);

[0065] The positioning shaft 3 continues to move upward, and the collar 22 exerts an outward reaction force on the block 31, overcoming the elastic force of the compression spring 311, so that the block 31 passes over the top cap 21, passes through the inclined outer wall of the top cap 21, and reaches the top of the top cap 21, without forming any support for the top cap 21 (such as Fig. 9 As shown), at this time, the positioning shaft 3 is located in the positioning groove 132, locking the first clamping arm 11 and the second clamping arm 12;

[0066] At this time, the gas cylinder 10 can be driven to transfer through the power mechanism;

[0067] After the transfer is in place, the power mechanism is used to drive the grabbing device and the gas cylinder 10 to move downward, so that after the gas cylinder 10 is placed on the shelf, the power mechanism continues to drive the positioning shaft 3 to move downward relative to the support shaft 2, so that the inner end of the block 31 again rests on the top of the top cap 21, and continues to press down. The top of the top cap 21 applies an outward thrust to the block 31, overcoming the elastic force of the compression spring 311, so that the block 31 passes over the top cap 21, passes through the inclined outer wall of the top cap 21, and reaches the bottom of the top cap 21. Under the action of the compression spring 311, the inner end of the block 31 rests on the vertical shaft 20. At this time, the positioning shaft 3 is located in the movable groove 131 (such as Figure 6 shown);

[0068] The power mechanism is used to pull the positioning shaft 3 upward, and the gripping device is driven to move upward together through the clamping mechanism, and the gas cylinder 10 applies a reaction force to the clamping claw 1, so that the clamping claw automatically opens and no longer clamps the gas cylinder 10 (such as Figure 5 shown).

[0069] The above is a detailed introduction to a gas cylinder grabbing device provided by the utility model. The description of the specific embodiment is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A gas cylinder grabbing device, characterized in that: include: A plurality of groups of clamping jaws (1) arranged along the axial direction of the gas cylinder (10), wherein the clamping jaws (1) comprise a first clamping arm (11) and a second clamping arm (12); A support shaft (2), wherein the central axis of the support shaft (2) is parallel to the central axis of the gas cylinder (10) and is located above the gas cylinder (10); the first clamp arm (11) and the second clamp arm (12) are both rotatably mounted on the support shaft (2) and are respectively located on the left and right sides of the support shaft (2); A positioning shaft (3), wherein the central axis of the positioning shaft (3) is parallel to the central axis of the support shaft (2) and is located above the support shaft (2); A support plate (13) is installed on both the first clamping arm (11) and the second clamping arm (12), and a slot is opened on the support plate (13) along the central axis direction of the positioning shaft (3), and the positioning shaft (3) is inserted into the slot; The slot hole comprises a movable slot (131) and a positioning slot (132) matching the positioning shaft (3); the positioning slot (132) is located above the movable slot (131) and is in communication with the movable slot (131); when the positioning shaft (3) is clamped in the positioning slot (132), the first clamp arm (11) and the second clamp arm (12) cannot rotate; A clamping mechanism, the clamping mechanism comprising a vertical shaft (20) and a mounting frame (30); The vertical shaft (20) is fixedly mounted on the support shaft (2) and is located between the support shaft (2) and the positioning shaft (3); a top cap (21) is fixedly provided at the top of the vertical shaft (20); a sleeve ring (22) is slidably sleeved between the support shaft (2) and the top cap (21); and the cross section of the sleeve ring (22) is an inverted cone structure with a larger upper portion and a smaller lower portion; The mounting frame (30) is fixedly mounted on the positioning shaft (3) and is located between the support shaft (2) and the positioning shaft (3); a mounting hole is transversely opened on the mounting frame (30); a clamping block (31) is transversely slidably mounted in the mounting hole; the inner end of the clamping block (31) is inclined from top to bottom in a direction away from the vertical axis (20); The mounting frame (30) is provided with an elastic mechanism for driving the clamping block (31) to move in a direction close to the vertical axis (20).

2. A gas cylinder grabbing device according to claim 1, characterized in that: The elastic mechanism comprises a compression spring (311), a fixing bolt (312) and a stopper (313); the stopper (313) is fixedly mounted on the mounting frame (30) and is located on a side of the mounting frame (30) away from the vertical axis (20); the fixing bolt (312) passes through the stopper (313) and is screwed onto the clamping block (31); the compression spring (311) is sleeved on the fixing bolt (312) and is located between the clamping block (31) and the stopper (313).

3. A gas cylinder grabbing device according to claim 1, characterized in that: A guide column (4) is vertically arranged on the support shaft (2), a guide hole is opened on the positioning shaft (3), and the guide column (4) is inserted into the guide hole.

4. A gas cylinder grabbing device according to claim 1, characterized in that: There are a plurality of mounting holes, and the plurality of mounting holes are evenly distributed along the circumference of the central axis of the vertical axis (20).

5. A gas cylinder grabbing device according to claim 1, characterized in that: An auxiliary platform (220) is fixedly provided at the upper end of the sleeve ring (22), and the auxiliary platform is in the shape of a cone with a small top and a large bottom. A receiving groove (210) for receiving the auxiliary platform (220) is provided on the lower end surface of the top cap (21).

6. A gas cylinder grabbing device according to claim 1, characterized in that: The top cap (21) is in the shape of a frustum that is small at the top and large at the bottom.

7. A gas cylinder grabbing device according to claim 1, characterized in that: A connecting rod (40) is installed between the plurality of first clamp arms (11).

8. A gas cylinder grabbing device according to claim 1, characterized in that: A connecting rod (40) is installed between the plurality of second clamp arms (12).

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