High-pressure tank sealing device

Abstract

The utility model relates to a high-pressure tank sealing device which comprises a high-pressure tank body, a shear fork lifting platform is arranged below the high-pressure tank body and makes contact with the lower end face of the high-pressure tank body, a high-pressure tank sealing head is further arranged above the high-pressure tank body, and a sealing structure comprises a driving structure and an installation structure. Oil cylinder rear rotating shafts penetrate through the inner side faces of the upper ends of the oil cylinder bases, installation blocks are distributed on the surface of the high-pressure tank sealing head in an annular array mode, each set of installation blocks correspond to the corresponding oil cylinder bases, clamping jaw rotating shafts penetrate through the installation blocks, clamping jaws are movably installed on the surfaces of the clamping jaw rotating shafts, and oil cylinder front rotating shafts penetrate through the surfaces of the clamping jaws. The bottom of the driving structure is movably arranged on the surface of the oil cylinder rear rotating shaft, the other end of the driving structure is movably connected with the surface of the oil cylinder front rotating shaft, the driving structure drives the clamping jaw to rotate around the axis of the clamping jaw rotating shaft, and the end of the clamping jaw rotates to make contact with the bottom of an opening in the upper end of the high-pressure tank. The high-pressure tank sealing fixture solves the problem that potential safety hazards are prone to occurring in the process that an existing high-pressure tank sealing fixture is usually installed manually.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure tank body sealing technical field, concretely is a kind of high pressure tank sealing device. BACKGROUND

[0002] Split high pressure tank sealing is the function of sealing when split high pressure tank is combined together by high pressure tank head and high pressure tank body, since high pressure tank needs to bear certain pressure, when connecting sealing, high pressure tank body and high pressure tank head need to be fastened and connected by certain external force, but traditional sealing mode needs to be operated by artificial through tool fixture, there is operation safety hazard, time-consuming and labor-consuming, and the shortcomings such as tedious work.

[0003] Therefore, in order to realize automatic sealing, without manual operation, prevent the problem of safety hazard when personnel operate, a kind of high pressure tank sealing device is proposed, so as to solve the above technical problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a kind of high pressure tank sealing device, solve the problem that the existing high pressure tank sealing is usually installed by artificial clamp, prone to safety hazard in this process.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high pressure tank sealing device, including high pressure tank body, high pressure tank body lower side is equipped with scissor fork lifting platform the scissor fork lifting platform is in contact with the lower end surface of high pressure tank body, located high pressure tank body upper side is also equipped with high pressure tank head, high pressure tank head surface is installed with the sealing structure that realizes the sealing of high pressure tank head and high pressure tank body, the sealing structure includes drive structure and installation structure, installation structure includes oil cylinder rear pivot, oil cylinder seat, oil cylinder front pivot, dog, dog pivot, scissor fork lifting platform;Oil cylinder seat is annular array distribution in the upper end surface of high pressure tank head, there is oil cylinder rear pivot on the upper end inner side of oil cylinder seat, high pressure tank head surface is annular array distribution with mounting block, each group of mounting block is correspondingly set with corresponding oil cylinder seat, and dog pivot is inserted on mounting block, dog pivot surface is movably installed with dog, and oil cylinder front pivot is inserted on the surface of dog, and the bottom of drive structure is movably arranged on the surface of oil cylinder rear pivot, and the other end is movably connected with the surface of oil cylinder front pivot, drive structure drives dog to rotate along dog pivot axis, and the end of dog is contacted with the bottom of high pressure tank body upper end opening by rotation.

[0006] Through the above technical scheme, further, the upper end surface of the high pressure tank body is also installed with sealing ring.

[0007] Further, the upper end surface of the scissor fork lifting platform is installed with the lower positioning seat with groove, and the lower end surface of the high pressure tank body is provided with the upper positioning pin with protrusion, the protrusion can be inserted into the groove.

[0008] As a preferred technical scheme, the driving structure is an oil cylinder, the bottom of the oil cylinder is movably installed on the surface of the rear rotating shaft of the oil cylinder, and the telescopic end of the oil cylinder is movably installed on the surface of the front rotating shaft of the oil cylinder.

[0009] Further, a pipeline is arranged at the middle of the upper end of the head of the high-pressure tank, and the pipeline is connected with the water pipeline.

[0010] Compared with the prior art, the high-pressure tank sealing device has the following beneficial effects:

[0011] 1. The high-pressure tank body is installed on the scissor lifting platform, the high-pressure tank body is driven to move upward by the scissor lifting platform, the upper end surface of the high-pressure tank body is in contact with the lower end surface of the head of the high-pressure tank, then the claw is driven to rotate along the axis of the claw rotating shaft by the telescopic oil cylinder, the claw tightly holds the high-pressure tank body, and thus the automatic sealing is realized, manual operation is not needed, and the problem of potential safety hazards caused by manual operation is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic view of the utility model;

[0013] Figure 2 It is a three-dimensional structure schematic view of the utility model Figure 1 ;

[0014] Figure 3 It is an A place local enlarged structure schematic view of the utility model Figure 2 ;

[0015] Figure 4 It is a structure schematic view of the upper positioning pin and the lower positioning pin of the utility model.

[0016] In the drawing: 1, the head of the high-pressure tank; 2, the sealing ring; 3, the high-pressure tank body; 4, the rear rotating shaft of the oil cylinder; 5, the oil cylinder seat; 6, the oil cylinder; 7, the front rotating shaft of the oil cylinder; 8, the claw; 9, the claw rotating shaft; 10, the upper positioning pin; 11, the lower positioning seat; 12, the scissor lifting platform; 13, the mounting block. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] EMBODIMENT

[0019] Please refer to Figures 1-4The utility model provides the following technical scheme: a high pressure tank sealing device, including high pressure tank body 3, high pressure tank body 3 below is equipped with scissor lift platform 12 the scissor lift platform 12 with high pressure tank body 3 lower end surface contact, be further equipped with high pressure tank head 1 in high pressure tank body 3 top, install the sealing structure that realizes the sealing of high pressure tank head 1 with high pressure tank body 3 on high pressure tank head 1 surface, the sealing structure includes drive structure and mounting structure, and mounting structure includes oil cylinder rear pivot 4, oil cylinder seat 5, oil cylinder front pivot 7, dog 8, dog pivot 9, scissor lift platform 12, oil cylinder seat 5 is annular array distribution in the upper end surface of high pressure tank head 1, and the oil cylinder rear pivot 4 is penetrated on the upper end inner side of oil cylinder seat 5, and the surface of high pressure tank head 1 is annular array distribution and is equipped with mounting block 13, and every group mounting block 13 is correspondingly set with the oil cylinder seat 5, and the dog pivot 9 is inserted on mounting block 13, and the dog pivot 9 surface movably installs dog 8, and the oil cylinder front pivot 7 is inserted on the surface of dog 8, and the bottom of its drive structure is movably arranged on the surface of oil cylinder rear pivot 4, and the other end is movably connected with the surface of oil cylinder front pivot 7, and the drive structure drives dog 8 to rotate along the axis of dog pivot 9, and the end of dog 8 is contacted with the bottom of high pressure tank body 3 upper end opening through rotation.

[0020] In the embodiment, the specific working principle is as follows: the device drives the high pressure tank body 3 to move upward through the scissor lift platform, so that the high pressure tank body 3 is in contact with the lower end surface of the high pressure tank head 1; at this time, the drive structure drives the dog 8 to rotate along the axis of the dog pivot 9, so that the high pressure tank body 3 is gripped, thereby realizing the sealing effect; in this way, the problem of potential safety hazards that may occur when personnel seals can be effectively prevented, and automatic sealing is realized.

[0021] According to the above, in order to further improve the sealing effect, specific reference can be made to Figure 2 As can be seen, the upper end surface of the high pressure tank body 3 is also provided with a sealing ring 2, and the gripping force of the high pressure tank body 3 and the high pressure tank head 1 can further improve the sealing effect in cooperation with the sealing ring 2.

[0022] In order to facilitate the high pressure tank body 3 to be supported and positioned by the scissor lift platform 12 when being in contact with the sealing, specific reference can be made to Figure 2 and Figure 4 As can be seen, the upper end surface of the scissor lift platform 12 is provided with a lower positioning seat 11 with a groove, and the lower end surface of the high pressure tank body 3 is provided with an upper positioning pin 10 with a protrusion, which can be inserted into the groove.

[0023] The drive structure can be specifically referred to Figure 1 and Figure 2 As can be seen, the drive structure is an oil cylinder 6, the bottom of the oil cylinder 6 is movably installed on the surface of the oil cylinder rear pivot 4, and the telescopic end is movably installed on the surface of the oil cylinder front pivot 7.

[0024] Referring to Figure 1 With Figure 2 It can be seen that a pipe is arranged in the middle of the upper end of the head of the high-pressure tank 1, and the pipe is connected with the water pipe.

[0025] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included within the scope of the present application.

Claims

1. A high-pressure tank sealing device comprising a high-pressure tank body (3), characterized by: The high-pressure tank body (3) is provided below with a scissor lifting platform (12) which is in contact with the lower end surface of the high-pressure tank body (3) and is located above the high-pressure tank body (3). The high-pressure tank head (1) is further provided above the high-pressure tank body (3), and the surface of the high-pressure tank head (1) is provided with a sealing structure for realizing the sealing of the high-pressure tank head (1) and the high-pressure tank body (3). The sealing structure comprises a driving structure and a mounting structure. The mounting structure comprises an oil cylinder rear pivot shaft (4), an oil cylinder seat (5), an oil cylinder front pivot shaft (7), a claw (8), a claw pivot shaft (9), and a scissor lifting platform (12). The oil cylinder seat (5) is arranged in a ring array on the upper end surface of the high-pressure tank head (1). The oil cylinder rear pivot shaft (4) penetrates the upper end inner surface of the oil cylinder seat (5). The surface of the high-pressure tank head (1) is provided with mounting blocks (13) arranged in a ring array. Each group of mounting blocks (13) is provided corresponding to the corresponding oil cylinder seat (5). The claw pivot shaft (9) penetrates the mounting block (13). The claw (8) is movably mounted on the surface of the claw pivot shaft (9). The oil cylinder front pivot shaft (7) penetrates the surface of the claw (8). The driving structure is movably arranged on the surface of the oil cylinder rear pivot shaft (4) at the bottom and movably connected with the surface of the oil cylinder front pivot shaft (7) at the other end. The driving structure drives the claw (8) to rotate along the axis of the claw pivot shaft (9). The end of the claw (8) is in contact with the bottom of the opening of the upper end of the high-pressure tank body (3) through rotation.

2. A high pressure tank sealing device according to claim 1, characterized in that: The upper end surface of the high-pressure tank body (3) is further provided with a sealing ring (2).

3. A high pressure tank sealing device according to claim 1, characterized in that: The upper end surface of the scissor lifting platform (12) is provided with a lower positioning seat (11) with a groove, and the lower end surface of the high-pressure tank body (3) is provided with an upper positioning pin (10) with a protrusion which can be inserted into the groove.

4. The high pressure tank sealing device of claim 1, wherein: The driving structure is an oil cylinder (6) which is movably mounted on the surface of the oil cylinder rear pivot shaft (4) at the bottom and movably mounted on the surface of the oil cylinder front pivot shaft (7) at the other end.

5. The high pressure tank sealing device of claim 1, wherein: A pipeline is further provided at the middle of the upper end of the high-pressure tank head (1), and the pipeline is connected with a water pipeline.

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