Compressed natural gas (CNG) mobile pressure vessel filling pressure rechecking device

Abstract

The utility model relates to the technical field of fans, and discloses a CNG mobile pressure vessel filling pressure rechecking device which comprises a connecting block, a mounting block and two groups of fixing assemblies, fixing structures are arranged on the left side and the right side of the connecting block, and an output pipe is arranged between the connecting block and the mounting block. The connecting block and a detected device can be conveniently connected through the threaded structure on the outer side of the mounting block, then the positioning piece is fixedly mounted on the right side of the upper end of the connecting block, an accurate positioning reference is provided for the positioning bolt, and the mounting block is prevented from falling off due to rotation; the position precision of the connecting block in the mounting process can be ensured, an adjusting bolt is rotated to move at the lower end of the connecting block through a threaded structure, so that a push rod is driven to move, a positioning block is jacked up through the push rod, then an adjusting rod and a baffle are driven to move, and a hole formed in the surface of a mounting plate is exposed; therefore, the air pressure can be conveniently circulated and conveyed to the detection device for detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to the special equipment safety field especially relates to CNG mobile pressure vessel filling pressure rechecking device. BACKGROUND

[0002] According to the provisions of annex C3.5 (5) of TSG 07-2019, the electronic weighing device (track cross) should be installed for the filling medium of high (low) pressure liquefied gas, frozen liquefied gas and liquid, and the standard pressure gauge should be installed for the filling medium of compressed gas, and the filling amount of the mobile pressure vessel after filling is rechecked and measured.

[0003] The existing detection device is divided into mobile and fixed two kinds:

[0004] The mobile detection device is connected through welding parts; in actual use, the welding spare parts have the security risks of welding, tearing due to aging, deformation and long-time alternating high pressure.

[0005] The fixed detection device needs to be moved to the specified fixed area after the filling device is filled, and the detection is connected through the gas hose. The shortcomings are: 1. inconvenient operation; 2. the detection device has large volume and releases a large amount of gas. In addition, the existing device cannot be quickly installed according to the use demand and the switch of the device gas pressure delivery, so it is necessary to provide a new CNG mobile pressure vessel filling pressure rechecking device to solve the above technical problems. SUMMARY

[0006] In order to solve the technical problem that the device cannot be quickly installed according to the use demand and the switch of the device gas pressure delivery, the utility model provides a CNG mobile pressure vessel filling pressure rechecking device.

[0007] The utility model adopts the following technical scheme: the CNG mobile pressure vessel filling pressure rechecking device comprises a connecting block, a mounting block and two groups of fixing components, the left and right sides of the connecting block are provided with fixing structures, the middle position of the connecting block and the mounting block is provided with an output pipe, the lower side of the front surface of the connecting block is provided with a connecting port, the inside of the output pipe is provided with a valve stop component, and the lower end of the connecting block is provided with an adjusting component.

[0008] Through the above technical scheme, the detection is convenient.

[0009] As a further improvement of the above scheme, the connecting block and the mounting block are composed of GrNi material, and the combined size of the connecting block and the mounting block is mm*mm*mm.

[0010] Through the above technical scheme, the use effect of the device is guaranteed.

[0011] As a further improvement of the above scheme, the outer side of the upper end of the mounting block is provided with a threaded structure.

[0012] Through the above technical scheme, the installation of the device is facilitated.

[0013] As a further improvement of the above scheme, the two groups of fixing assemblies each include a positioning sheet, the positioning sheet is fixedly installed on the right side of the upper end of the connecting block, and a positioning bolt is inserted into the middle position of the positioning sheet through a threaded structure.

[0014] Through the above technical scheme, the position of the device can be effectively fixed.

[0015] As a further improvement of the above scheme, the inside of the connecting port is provided with a threaded structure.

[0016] Through the above technical scheme, the connection of the detection device can be facilitated.

[0017] As a further improvement of the above scheme, the valve stop assembly includes a mounting plate, an adjusting rod is movably inserted into the middle position of the mounting plate, a baffle is arranged at the upper end of the adjusting rod, two groups of holes are formed in the surface of the mounting plate, and the size of the baffle is greater than that of the holes arranged on the surface of the mounting plate.

[0018] Through the above technical scheme, the leakage of air pressure can be blocked.

[0019] As a further improvement of the above scheme, a positioning block is arranged at the lower end of the adjusting rod, a reset spring is sleeved outside the adjusting rod, and the two ends of the reset spring are connected with the mounting plate and the positioning block respectively.

[0020] As a further improvement of the above scheme, the adjusting assembly includes an adjusting bolt, the adjusting bolt is inserted into the lower end of the connecting block through a threaded structure, and a push rod is arranged at the upper end of the adjusting bolt.

[0021] Compared with the prior art, the beneficial effects of the utility model lie in:

[0022] The mounting block and the fixing assembly are matched, the threaded structure outside the mounting block can facilitate the connection of the connecting block and the detected device, the positioning sheet is fixedly installed on the right side of the upper end of the connecting block, an accurate positioning reference is provided for the positioning bolt, the mounting block is prevented from being detached due to rotation, and the positioning bolt is inserted into the middle position of the positioning sheet through a threaded structure, so that the position accuracy of the connecting block during the installation process can be ensured.

[0023] The utility model discloses a valve stop subassembly and the cooperation of adjusting subassembly are set up, and the rotating adjusting peg makes the adjusting peg move in the lower end of connecting block through the thread structure to drive the push rod to move, and the locating block is lifted through the push rod to drive the adjusting rod and baffle to move in turn, and the hole of installing plate surface is leaked, thereby convenient air pressure circulation conveys to the detection device and carries out detection. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0025] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0026] Figure 3 It is the valve stop subassembly structure schematic diagram of the utility model.

[0027] Figure 4 It is the adjusting subassembly structure schematic diagram of the utility model.

[0028] Main symbol explanation:

[0029] Connecting block;2, mounting block;3, locating piece;4, locating peg;5, output pipe;6, connecting port;7, mounting plate;8, adjusting rod;9, baffle;10, locating block;11, return spring;12, adjusting peg;13, push rod. DETAILED DESCRIPTION

[0030] Below, combining with the drawings and specific embodiment, the utility model is further described.

[0031] Please combine Figures 1-4 The CNG mobile pressure container filling pressure rechecking device of the embodiment includes: connecting block 1, mounting block 2 and two groups of fixed components, the connecting block 1 is provided with fixed structure on both sides, the output pipe 5 is arranged at the middle position of the connecting block 1 and the mounting block 2, and the connecting port 6 is arranged on the lower side of the front surface of the connecting block 1, the valve stop subassembly is arranged in the output pipe 5, and the adjusting subassembly is arranged at the lower end of the connecting block 1.

[0032] Through the above technical scheme, detection is facilitated.

[0033] The connecting block 1 and the mounting block 2 are both composed of 06Gr19Ni10 material, and the combined size of the connecting block 1 and the mounting block 2 is 60mm*60mm*150mm.

[0034] Through the above technical scheme, the use effect of the device is guaranteed.

[0035] The outer side of the upper end of the mounting block 2 is provided with a thread structure.

[0036] Through the above technical scheme, the installation of the device is facilitated.

[0037] The two sets of fixing assemblies each include a positioning sheet 3 fixedly installed on the right side of the upper end of the connecting block 1, and a positioning bolt 4 is inserted into the middle position of the positioning sheet 3 through a threaded structure.

[0038] Through the above technical solution, the position of the device can be effectively fixed.

[0039] The connecting port 6 is internally provided with a threaded structure.

[0040] Through the above technical solution, the connection of the detection device can be facilitated.

[0041] The valve stop assembly includes an installation plate 7, an adjusting rod 8 movably inserted into the middle position of the installation plate 7, and a baffle 9 provided at the upper end of the adjusting rod 8, and two groups of holes are formed in the surface of the installation plate 7, and the size of the baffle 9 is greater than that of the holes formed in the surface of the installation plate 7.

[0042] Through the above technical solution, the leakage of air pressure can be blocked.

[0043] A positioning block 10 is installed at the lower end of the adjusting rod 8, a reset spring 11 is sleeved outside the adjusting rod 8, and the two ends of the reset spring 11 are connected to the installation plate 7 and the positioning block 10, respectively.

[0044] The adjusting assembly includes an adjusting bolt 12 inserted into the lower end of the connecting block 1 through a threaded structure, and a push rod 13 provided at the upper end of the adjusting bolt 12.

[0045] The implementation principle of the CNG mobile pressure container filling pressure review device in the embodiment is as follows:

[0046] Step one: when detection is needed, the device can be connected to the detected equipment through the threaded structure outside the installation block 2, the positioning bolt 4 is inserted into the detected device, the device is fixed again through the positioning bolt 4, then the device is connected to the detection equipment through the threaded structure inside the connecting port 6, then the adjusting bolt 12 is rotated to move the adjusting bolt 12 at the lower end of the connecting block 1 through the threaded structure, thereby moving the push rod 13, the positioning block 10 is lifted up through the push rod 13, thereby moving the adjusting rod 8 and the baffle 9, and the holes formed in the surface of the installation plate 7 are leaked, thereby facilitating the flow and transportation of air pressure into the detection device for detection;

[0047] Step two: after the detection is completed, the adjusting bolt 12 is reversely rotated to reset the push rod 13, thereby releasing the pushing of the positioning block 10, and then the reset spring 11 in the valve stop assembly moves the positioning block 10, thereby moving the adjusting rod 8 and the baffle 9, and the holes in the surface of the installation plate 7 are closed, thereby facilitating the subsequent disassembly of the detection device.

[0048] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.

Claims

1. A CNG mobile pressure vessel filling pressure verification device, characterized in that, include: The assembly includes a connecting block, a mounting block, and two sets of fixing components. The connecting block has fixing structures on both its left and right sides. An output pipe is located between the connecting block and the mounting block, and a connection port is located on the lower side of the front surface of the connecting block. A valve stop assembly is located inside the output pipe, and an adjustment assembly is located at the lower end of the connecting block.

2. The CNG mobile pressure vessel filling pressure verification device as described in claim 1, characterized in that, Both the connecting block and the mounting block are made of 06Gr19Ni10 material, and the combined dimensions of the connecting block and the mounting block are set to 60mm*60mm*150mm.

3. The CNG mobile pressure vessel filling pressure verification device as described in claim 1, characterized in that, The mounting block has a threaded structure on its upper outer side.

4. The CNG mobile pressure vessel filling pressure verification device as described in claim 1, characterized in that, Both sets of fixing components include positioning plates, which are fixedly installed on the upper right side of the connecting block. Positioning bolts are inserted into the middle of each positioning plate through a threaded structure.

5. The CNG mobile pressure vessel filling pressure verification device as described in claim 1, characterized in that, The connection port is internally threaded.

6. The CNG mobile pressure vessel filling pressure verification device as described in claim 1, characterized in that, The valve stop assembly includes a mounting plate, an adjusting rod is movably inserted in the middle of the mounting plate, a baffle is provided at the upper end of the adjusting rod, and two sets of holes are opened on the surface of the mounting plate, the size between the baffles being larger than the size of the holes on the surface of the mounting plate.

7. The CNG mobile pressure vessel filling pressure verification device as described in claim 6, characterized in that, A positioning block is installed at the lower end of the adjusting rod, and a return spring is sleeved on the outside of the adjusting rod. The two ends of the return spring are respectively connected to the mounting plate and the positioning block.

8. The CNG mobile pressure vessel filling pressure verification device as described in claim 1, characterized in that, The adjustment assembly includes an adjustment bolt, which is inserted into the lower end of the connecting block via a threaded structure, and a push rod is provided at the upper end of the adjustment bolt.

Images