Non-standard pressure vessel pressure test sealing device and method

Abstract

The invention provides a non-standard pressure vessel pressure test sealing device and method, and relates to the technical field of vessel pressure test. The non-standard pressure vessel pressure test sealing device comprises a bottom plate, the lower side of the bottom plate is fixedly connected with two supporting plates, the front side of the bottom plate is fixedly connected with a moving block, the upper side of the bottom plate is provided with a sealing unit, a fastening unit and a vessel body, the front side of the bottom plate is fixedly connected with a placement plate, the sealing unit comprises a sliding groove, and the sliding groove is fixedly connected with the fastening unit. The sliding groove is formed in the upper side of the bottom plate, sliding plates are slidably connected to the inner sides of the left end and the right end of the sliding groove, and moving blocks are fixedly connected to the lower sides of the sliding plates on the left side and the right side. Through the arrangement of the bottom plate, the sliding grooves, the sliding plates, the vertical plates, the two-way screw rods and the sealing rings, the openings in the left side and the right side of the container body can be conveniently and preliminarily sealed, the openings of the container body are repeatedly sealed through the annular air bag and the multiple sealing pieces, the sealing effect is improved, and a pressure resistance test is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of pressure test of containers, and in particular to a sealing device and method for pressure test of non-standard pressure containers. Background Art

[0002] Non-standard pressure vessels are custom pressure vessels that are not produced to general standards or specifications. These vessels are usually designed and manufactured according to specific customer requirements and the needs of specific applications, rather than being produced according to widely accepted industry standards.

[0003] When non-standard pressure vessels are produced, it is necessary to use a pressure test to test the containers. During the test, the side opening of the container needs to be sealed to facilitate the injection of water into the container for a hydraulic resistance test. When sealing, only the inside of the opening is sealed, resulting in poor sealing effect of the container opening, which is prone to liquid leakage and affects the effect of the hydraulic resistance test. Summary of the invention

[0004] Technical issues solved

[0005] In view of the deficiencies in the prior art, the present invention provides a non-standard pressure vessel pressure test sealing device and method, which solves the problem of poor sealing effect when the container is subjected to a pressure test.

[0006] Technical Solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A non-standard pressure vessel pressure test sealing device, comprising a bottom plate, two support plates are fixedly connected to the lower side of the bottom plate, a moving block is fixedly connected to the front side of the bottom plate, a sealing unit, a fastening unit and a container body are arranged on the upper side of the bottom plate, and a placement plate is fixedly connected to the front side of the bottom plate;

[0008] The sealing unit comprises a slide groove, the slide groove is opened on the upper side of the bottom plate, the inner sides of the left and right ends of the slide groove are slidably connected with slide plates, the lower sides of the slide plates on the left and right sides are fixedly connected with moving blocks, the support plates on both sides are rotatably connected with bidirectional screws, the upper sides of the slide plates on the left and right sides are fixedly connected with vertical plates, the side of the vertical plate close to the container body is fixedly connected with a fixed plate, the outer side of the fixed plate is fixedly connected with an annular airbag, the outer side of the fixed plate is located on the inner side of the annular airbag and is fixedly connected with a sealing ring, the inner side of the sealing ring is fixedly connected with a plurality of branch plates, and the outer sides of the plurality of branch plates are fixedly connected with a control plate. The outer sides of the multiple branch plates are provided with movable grooves, the inner sides of the multiple movable grooves are slidably connected with control blocks, the sides of the multiple control blocks close to the container body are fixedly connected with fixed blocks and rotating block 1, the outer sides of the multiple fixed blocks are fixedly connected with sealing plates, the outer side of the rotating block 1 is rotatably connected with a control plate, the outer side of the control plate is fixedly connected with rotating block 2, the outer side of the rotating block 2 is fixedly connected with a movable disk, the side of the movable disk away from the container body is fixedly connected with a pull rod, the outer end of the pull rod passes through the outer end of the vertical plate and is fixedly connected with a top block, the top block is fixedly connected to the bottom plate, and the outer side of the support plate is fixedly connected with a motor.

[0009] Preferably, the fastening unit includes a placing platform, which is arranged on the upper side of the base plate, a fixing frame is fixedly connected to the upper side of the base plate and located behind the placing platform, a lifting rod is arranged on the outer side of the fixing frame, a lifting block is fixedly connected to the lower end of the lifting rod, a fastening ring is fixedly connected to the lower side of the lifting block, a top plate is fixedly connected to the upper end of the lifting rod, and a hydraulic rod 1 is fixedly connected between the top plate and the fixing frame.

[0010] Preferably, the fastening ring is arranged in an arc-shaped structure.

[0011] Preferably, a rear plate is fixedly connected to the rear side of the fixing frame, and a second hydraulic rod is fixedly connected between the rear plate and the placement platform.

[0012] Preferably, a rectangular hole is opened on the upper side of the bottom plate, a connecting pipe is fixedly connected between the annular airbags on the left and right sides, an air pump is fixedly connected to the lower side of the bottom plate, and a fixing pipe is fixedly connected between the air pump and the connecting pipe.

[0013] Preferably, a pressure relief valve is provided on the outer side of the connecting pipe.

[0014] Preferably, the annular airbag, the sealing ring and the sealing sheet are all made of rubber material.

[0015] Preferably, opposite threads are provided at both ends of the bidirectional screw, and the two ends of the bidirectional screw are respectively threadedly connected to the left and right moving blocks.

[0016] A non-standard pressure vessel pressure test sealing method comprises the following steps:

[0017] S1. Place the container body on the placement platform, control the second hydraulic rod to drive the container body to move backward, and control the first hydraulic rod to drive the fastening ring to limit the container body;

[0018] S2, controlling the motor to control the bidirectional screw to rotate, so that the annular airbags and sealing rings on the left and right sides approach the opening of the container body, and at the same time, multiple sealing sheets approach the inner wall of the container body to seal the opening;

[0019] S3. Inject water into the container body and conduct a hydraulic resistance test.

[0020] Beneficial Effects

[0021] The present invention provides a non-standard pressure vessel pressure test sealing device and method, which has the following beneficial effects:

[0022] 1. By providing a bottom plate, a slide groove, a slide plate, a vertical plate, a bidirectional screw and a sealing ring, it is convenient to initially seal the openings on the left and right sides of the container body, and the opening of the container body is sealed multiple times through an annular air bag and multiple sealing sheets to increase the sealing effect and facilitate the pressure test.

[0023] 2. By providing a fixed frame, a lifting rod, a lifting block, a fastening plate, a placement platform, a hydraulic rod 1 and a hydraulic rod 2, it is convenient to control the limit of the container body and control the movement of the container body, so as to facilitate the installation and disassembly of the container. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is the overall three-dimensional structure diagram of the present invention;

[0025] Figure 2 This is a three-dimensional structural diagram of the present invention without the fastening unit;

[0026] Figure 3 It is a bottom-up fluid structure diagram of the present invention;

[0027] Figure 4 It is a partial three-dimensional structural diagram of the sealing unit in the present invention;

[0028] Figure 5 for Figure 4 The enlarged view of point A in the middle;

[0029] Figure 6 It is a three-dimensional structural diagram of the fastening unit in the present invention.

[0030] Among them, 1, bottom plate; 2, support plate; 3, moving block; 4, bidirectional screw; 5, placement plate; 6, motor; 7, sealing unit; 8, fastening unit; 9, container body; 701, slide groove; 702, slide plate; 703, vertical plate; 704, fixed plate; 705, annular airbag; 706, sealing ring; 707, branch plate; 708, control plate; 709, moving groove; 710, control block; 711, fixed block; 712, sealing Plate; 713, rotating block one; 714, control board; 715, rotating block two; 716, moving plate; 717, pull rod; 718, top block; 719, rectangular hole; 720, connecting pipe; 721, air pump; 722, fixed pipe; 801, placing platform; 802, fixing frame; 803, lifting rod; 804, top plate; 805, hydraulic rod one; 806, lifting block; 807, fastening ring; 808, back plate; 809, hydraulic rod two. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example:

[0033] like Figure 1 - Figure 5 As shown, an embodiment of the present invention provides a non-standard pressure vessel pressure test sealing device, including a bottom plate 1, two support plates 2 are fixedly connected to the lower side of the bottom plate 1, a moving block 3 is fixedly connected to the front side of the bottom plate 1, a sealing unit 7, a fastening unit 8 and a container body 9 are arranged on the upper side of the bottom plate 1, a placement plate 5 is fixedly connected to the front side of the bottom plate 1, the placement plate 5 enables the placement platform 801 to be moved onto the placement plate 5, so as to facilitate the loading and unloading of the container body 9, wherein a water inlet pipe is provided on the upper side of the container body 9, so as to facilitate the injection of water into the container body 9 for the pressure test.

[0034] The sealing unit 7 includes a slide groove 701, which is opened on the upper side of the bottom plate 1. The inner sides of the left and right ends of the slide groove 701 are slidably connected with slide plates 702. The lower sides of the left and right slide plates 702 are fixedly connected with moving blocks 3. A bidirectional screw 4 is rotatably connected between the support plates 2 on both sides. The upper sides of the left and right slide plates 702 are fixedly connected with vertical plates 703. The side of the vertical plate 703 close to the container body 9 is fixedly connected with a fixed plate 704. The outer side of the fixed plate 704 is fixedly connected with an annular airbag 705. The outer side of the fixed plate 704 and the inner side of the annular airbag 705 are fixedly connected with a sealing ring 706. The inner side of the sealing ring 706 is fixedly connected with multiple branch plates 707. The outer sides of the multiple branch plates 707 A control disk 708 is fixedly connected, and a plurality of branch plates 707 are provided with movable grooves 709 on the outer sides, and a control block 710 is slidably connected to the inner sides of the plurality of movable grooves 709, and a plurality of control blocks 710 are fixedly connected to a fixed block 711 and a rotating block 1 713 on the side close to the container body 9, and a plurality of fixed blocks 711 are fixedly connected to a sealing sheet 712 on the outer sides, and a control plate 714 is rotatably connected to the outer side of the rotating block 1 713, and a rotating block 2 715 is fixedly connected to the outer side of the control plate 714, and a movable disk 716 is fixedly connected to the outer side of the rotating block 2 715, and a pull rod 717 is fixedly connected to the side of the movable disk 716 away from the container body 9, and the outer end of the pull rod 717 passes through the outer end of the vertical plate 703 and is fixedly connected to the top block 7 18, the top block 718 is fixedly connected to the bottom plate 1, the outer side of the support plate 2 is fixedly connected with a motor 6, the two ends of the bidirectional screw 4 are provided with opposite threads, the two ends of the bidirectional screw 4 are respectively threadedly connected with the left and right moving blocks 3, the annular airbag 705, the sealing ring 706 and the sealing sheet 712 are all made of rubber material, when the left and right openings of the container body 9 are sealed, the motor 6 is started, the motor 6 drives the bidirectional screw 4 to rotate, the bidirectional screw 4 drives the moving blocks 3 on the left and right sides to approach each other, the moving block 3 drives the slide plate 702 to move, the slide plate 702 drives the vertical plate 703 to move, the vertical plate 703 drives the annular airbag 705 and the sealing ring 706 to approach the container body 9, wherein the sealing ring 706 is inserted into the container body On the inner side of the container body 9, the inner side of the annular airbag 705 fits the outer side of the container body 9, and the opening of the container body 9 is preliminarily sealed by the sealing ring 706. When the vertical plate 703 moves, the top block 718 and the pull rod 717 make the movable disk 716 move closer to the control disk 708, and the movable disk 716 drives the multiple control plates 714 to rotate, and the multiple control plates 714 are unfolded, and the control plate 714 drives the control block 710 to move, and the control block 710 drives the fixed block 711 to move, and the fixed block 711 drives the sealing sheet 712 to move, so that the multiple sealing sheets 712 are close to the inner wall of the container body 9, and the sealing sheet 712 performs a sealing operation again, thereby increasing the sealing effect on the container body 9 and facilitating later experiments.

[0035] like Figure 6As shown, the fastening unit 8 includes a placement platform 801, which is arranged on the upper side of the bottom plate 1, and a fixing frame 802 is fixedly connected to the upper side of the bottom plate 1 and located behind the placement platform 801. A lifting rod 803 is arranged on the outer side of the fixing frame 802, and a lifting block 806 is fixedly connected to the lower end of the lifting rod 803. A fastening ring 807 is fixedly connected to the lower side of the lifting block 806. A top plate 804 is fixedly connected to the upper end of the lifting rod 803, and a hydraulic rod 805 is fixedly connected between the top plate 804 and the fixing frame 802. The fastening ring 807 is arranged in an arc structure. A rear plate 808 is fixedly connected to the rear side of the fixing frame 802. The rear plate 808 is fixedly connected to the rear side of the fixing frame 802. A hydraulic rod 809 is fixedly connected between 08 and the placement platform 801. During the test, the hydraulic rod 805 is controlled to drive the top plate 804 to descend, the top plate 804 drives the lifting rod 803 to descend, the lifting rod 803 drives the lifting block 806 to descend, and the lifting block 806 drives the fastening ring 807 to descend, so that the fastening ring 807 limits the container body 9, which is convenient for subsequent tests. After the test, the fastening ring 807 is controlled to separate from the container body 9. At this time, the hydraulic rod 809 is controlled to drive the placement platform 801 to move forward, and the placement platform 801 drives the container body 9 to move forward, which is convenient for removing the container body 9 from the placement platform 801.

[0036] A rectangular hole 719 is opened on the upper side of the bottom plate 1, and a connecting pipe 720 is fixedly connected between the annular air bags 705 on the left and right sides. An air pump 721 is fixedly connected to the lower side of the bottom plate 1, and a fixed pipe 722 is fixedly connected between the air pump 721 and the connecting pipe 720. A pressure relief valve is arranged on the outside of the connecting pipe 720. When sealing, the air pump 721 is started, and the annular air bag 705 is inflated under the action of the connecting pipe 720 and the fixed pipe 722, so that the outer side of the container body 9 is sealed to enhance the sealing effect.

[0037] A non-standard pressure vessel pressure test sealing method comprises the following steps:

[0038] S1. Place the container body 9 on the placement platform 801, control the hydraulic rod 2 809 to drive the container body 9 to move backward, and control the hydraulic rod 1 805 to drive the fastening ring 807 to limit the container body 9.

[0039] S2, control the motor 6 to control the bidirectional screw 4 to rotate, so that the annular airbags 705 and the sealing rings 706 on the left and right sides approach the opening of the container body 9, and at the same time, the multiple sealing sheets 712 approach the inner wall of the container body 9 to seal the opening.

[0040] S3. Water is injected into the container body 9 to perform a hydraulic pressure resistance test.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A non-standard pressure vessel pressure test sealing device, comprising a bottom plate (1), characterized in that: The lower side of the bottom plate (1) is fixedly connected to two support plates (2), the front side of the bottom plate (1) is fixedly connected to a moving block (3), the upper side of the bottom plate (1) is provided with a sealing unit (7), a fastening unit (8) and a container body (9), and the front side of the bottom plate (1) is fixedly connected to a placement plate (5); The sealing unit (7) comprises a slide groove (701), wherein the slide groove (701) is provided on the upper side of the bottom plate (1), and the inner sides of the left and right ends of the slide groove (701) are slidably connected with slide plates (702), and the lower sides of the slide plates (702) on the left and right sides are fixedly connected with moving blocks (3), and the support plates (2) on both sides are rotatably connected with bidirectional screw rods (4), and the upper sides of the slide plates (702) on the left and right sides are fixedly connected with vertical plates (703), and the vertical plates (703) are fixedly connected with each other. ) is fixedly connected to a fixed plate (704) on one side close to the container body (9), an annular air bag (705) is fixedly connected to the outer side of the fixed plate (704), a sealing ring (706) is fixedly connected to the outer side of the fixed plate (704) and located on the inner side of the annular air bag (705), a plurality of branch plates (707) are fixedly connected to the inner side of the sealing ring (706), a control plate (708) is fixedly connected to the outer side of the plurality of branch plates (707), and a plurality of branch plates (708) are fixedly connected to the outer side of the plurality of branch plates (707). The outer side of the plate (707) is provided with a movable groove (709), and the inner side of the plurality of movable grooves (709) is slidably connected with a control block (710), and the side of the plurality of control blocks (710) close to the container body (9) is fixedly connected with a fixed block (711) and a rotating block (713), and the outer side of the plurality of fixed blocks (711) is fixedly connected with a sealing sheet (712), and the outer side of the rotating block (713) is rotatably connected with a control plate (714), and the control plate The outer side of (714) is fixedly connected to a rotating block 2 (715), the outer side of the rotating block 2 (715) is fixedly connected to a moving disk (716), the side of the moving disk (716) away from the container body (9) is fixedly connected to a pull rod (717), the outer end of the pull rod (717) passes through the outer end of the vertical plate (703) and is fixedly connected to a top block (718), the top block (718) is fixedly connected to the bottom plate (1), and the outer side of the support plate (2) is fixedly connected to a motor (6).

2. A non-standard pressure vessel pressure test sealing device according to claim 1, characterized in that: The fastening unit (8) comprises a placement platform (801), wherein the placement platform (801) is arranged on the upper side of a base plate (1), a fixing frame (802) is fixedly connected to the upper side of the base plate (1) and located behind the placement platform (801), a lifting rod (803) is arranged on the outer side of the fixing frame (802), a lifting block (806) is fixedly connected to the lower end of the lifting rod (803), a fastening ring (807) is fixedly connected to the lower side of the lifting block (806), a top plate (804) is fixedly connected to the upper end of the lifting rod (803), and a hydraulic rod 1 (805) is fixedly connected between the top plate (804) and the fixing frame (802).

3. A non-standard pressure vessel pressure test sealing device according to claim 2, characterized in that: The fastening ring (807) is arranged in an arc-shaped structure.

4. A non-standard pressure vessel pressure test sealing device according to claim 2, characterized in that: A rear plate (808) is fixedly connected to the rear side of the fixing frame (802), and a hydraulic rod 2 (809) is fixedly connected between the rear plate (808) and the placement platform (801).

5. The non-standard pressure vessel pressure test sealing device according to claim 1, characterized in that: A rectangular hole (719) is provided on the upper side of the bottom plate (1); a connecting pipe (720) is fixedly connected between the annular air bags (705) on the left and right sides; an air pump (721) is fixedly connected to the lower side of the bottom plate (1); and a fixing pipe (722) is fixedly connected between the air pump (721) and the connecting pipe (720).

6. The non-standard pressure vessel pressure test sealing device according to claim 5, characterized in that: A pressure relief valve is provided on the outer side of the connecting pipe (720).

7. The non-standard pressure vessel pressure test sealing device according to claim 1, characterized in that: The annular airbag (705), the sealing ring (706) and the sealing sheet (712) are all made of rubber material.

8. The non-standard pressure vessel pressure test sealing device according to claim 1, characterized in that: The two ends of the bidirectional screw (4) are provided with opposite threads, and the two ends of the bidirectional screw (4) are respectively threadedly connected to the left and right moving blocks (3).

9. A non-standard pressure vessel pressure test sealing method, according to a non-standard pressure vessel pressure test sealing device according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1. Place the container body (9) on the placement platform (801), control the second hydraulic rod (809) to drive the container body (9) to move backward, and control the first hydraulic rod (805) to drive the fastening ring (807) to limit the container body (9); S2, controlling the motor (6) to control the bidirectional screw (4) to rotate, so that the annular airbags (705) and the sealing rings (706) on the left and right sides approach the opening of the container body (9), and at the same time, the plurality of sealing sheets (712) approach the inner wall of the container body (9) to seal the opening; S3. Water is injected into the container body (9) to perform a hydraulic pressure resistance test.

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