CN211740607U

CN211740607U - Automatic checking device for safety valve

Info

Publication number: CN211740607U
Application number: CN202020875785.8U
Authority: CN
Inventors: 彭潮章
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-10-23
Anticipated expiration: 2030-05-22

Abstract

The utility model provides an automatic checking device for safety valves, which comprises universal wheels, wherein the universal wheels are provided with four parts which are respectively connected with four corners of the bottom end surface of an equipment box body in an axial manner, so that the problems that the prior safety valve has low efficiency of single checking when pressure testing is carried out, and the safety valve can not be effectively fixed and operated in the checking process, which easily causes damage to checking personnel due to the burst of the safety valve caused by excessive pressure are solved, because a pressure applying device is arranged, a branch pump pipe arranged in the automatic checking device can obtain pressurized air from the inside of an air pump machine through a main pump pipeline so as to spray through pressure applying nozzles, the output pressure of each pressure applying nozzle can be kept consistent in the pressure applying process, the accuracy of data is ensured, and because a digital display mechanism is arranged, the range of a pressure applying meter arranged in the automatic checking device is 0-1.6 MPa, the device can be suitable for testing most safety valves on the market.

Description

Automatic checking device for safety valve

Technical Field

The utility model belongs to the technical field of the relief valve, more specifically say, in particular to relief valve automatic check device.

Background

The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation. The safety valve must be pressure tested before it can be used.

And the relief valve need be fixed with anchor clamps then observe the relief valve through the mode of one end gas injection and open automatically when reaching certain pressure when carrying out pressure test, but the efficiency of single check-up is comparatively low, and can't carry out effectual fixed operation to the relief valve in the check-up process and cause the injury to the check-up personnel because of exerting pressure too big relief valve bursts out.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and an automatic checking device for a safety valve is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a relief valve automatic check device to solve current relief valve and need fix the relief valve with anchor clamps when carrying out pressure test and then observe the relief valve through the mode of one end gas injection and reach certain pressure when automatic the opening, nevertheless single check-up efficiency is comparatively low, and can't carry out effectual fixed operation to the relief valve in the check-up process and cause the problem of injury to the check-up personnel because of exerting pressure too big the relief valve collapses out.

The utility model discloses relief valve automatic check device's purpose and efficiency are reached by following specific technological means:

an automatic calibration device for a safety valve comprises universal wheels, a pressure applying device, a bin door, a table top, a digital display mechanism, a pressure applying device, a safety valve to be detected and an opening and closing switch, wherein the universal wheels are arranged at four positions, and the four positions are respectively and axially connected to four corners of the bottom end face of an equipment box body; the bin door is provided with two positions which are respectively connected with the left end surface and the right end surface of the inner wall of the pressure equipment groove arranged on the front end surface of the equipment box body in a shaft mode; the pressure applying device is fixedly connected to the inner position of the pressure applying equipment groove; the table top is fixedly connected to the top end face of the equipment box body, and the front end of the top end face of the table top is provided with a sliding groove; the compression device is connected inside the sliding chute in a sliding manner; the digital display mechanism is fixedly connected to the rear end position of the top end face of the table top; the safety valve to be detected is fixedly connected to the position right below the limiting mechanism; the limiting mechanism comprises a limiting plate, a limiting chute, a limiting rod, a limiting ring and a fastening bolt, wherein the limiting chute is formed in the limiting plate, the limiting rod is connected in the limiting chute in a sliding manner, the limiting ring is fixedly connected to the front end of the limiting rod, and the fastening bolt is screwed to the rear end of the outer peripheral surface of the limiting rod; the on-off switch is electrically connected to the left lower corner of the top end face of the table top.

Further, pressure device is including pump machine of qi, main pump pipeline, branch pump line and the shower nozzle of exerting pressure, the inside through connection of pump machine of qi has the main pump pipeline, the outer peripheral face top fixedly connected with of main pump pipeline punishs the pump line everywhere, and everywhere the inside of branch pump line all through connection has the shower nozzle of exerting pressure.

Furthermore, the digital display mechanism comprises a digital display table, a pressure applying meter and a pressure receiving meter, wherein the pressure applying meter and the pressure receiving meter are arranged on the front end face of the digital display table in a longitudinal array, the diameter of the pressure receiving meter is smaller than that of the pressure applying meter, and the measuring ranges of the pressure applying meter and the pressure receiving meter are 0-1.6 MPa.

Furthermore, the compression device comprises a limiting block, compression pipes and fastening nuts, the compression pipes are arranged at four positions, the compression pipes are arranged in the limiting block in a linear array mode, and the fastening nuts are screwed at the rear ends of the peripheral surfaces of the compression pipes at the four positions.

Further, the safety valve to be detected comprises a valve body, a pressure relief opening, a pressure injection opening, an opening and closing spring and a valve closure, wherein the opening at the left end of the valve body is the pressure relief opening, the opening at the bottom of the valve body is the pressure injection opening, the valve closure is arranged at the top of the valve body, and the outer peripheral surface of the valve closure is elastically connected with the opening and closing spring.

Compared with the prior art, the utility model discloses following beneficial effect has:

because the pressure device is arranged, the branch pump pipe arranged in the pressure device can obtain pressurized air from the inside of the air pumping machine through the main pump pipeline to spray through the pressure nozzle, the output pressure of each pressure nozzle can be kept consistent in the pressure process, and the accuracy of data can be ensured, because the digital display mechanism is arranged, the range of the pressure gauge arranged in the pressure gauge is 0-1.6 MPa, the pressure gauge can be suitable for the test work of most safety valves on the market, because the pressure device is arranged, the pressure tube arranged in the pressure gauge can shrink the pressure tube through the fastening nut when receiving pressure, so as to ensure that the released gas can not leak from gaps, because the safety valve to be detected is arranged, the targeted detection work can be more conveniently carried out, because the limiting mechanism is arranged, the limiting ring arranged in the pressure gauge can slide up and down in the limiting chute through the limiting rod fixedly connected with the rear end face, in order to fix through fastening bolt, reach and treat the fixed purpose of detection relief valve, can effectually prevent to detect the problem that the relief valve bursts out and appear waiting because of the too big problem that causes of pressure in the in-process of exerting pressure.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic structural diagram of the pressing device of the present invention.

Fig. 4 is a schematic diagram of a partially enlarged structure at a in fig. 2 according to the present invention.

Fig. 5 is a schematic structural view of the compression device of the present invention.

Fig. 6 is a schematic structural view of a half-sectional view of the safety valve to be detected.

Fig. 7 is a schematic structural diagram of the limiting mechanism of the present invention.

Fig. 8 is a schematic view of the fastening bolt structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an equipment box body; 2. a universal wheel; 3. a pressure applying device; 301. pumping an air machine; 302. a main pump conduit; 303. a pump distributing pipe; 304. a pressure applying spray head; 4. a bin gate; 5. a pressure equipment groove; 6. a table top; 7. a digital display mechanism; 701. a digital display platform; 702. a pressure meter is applied; 703. a pressure gauge; 8. a compression device; 801. a limiting block; 802. a pressure receiving pipe; 803. fastening a nut; 9. a safety valve to be detected; 901. a valve body; 902. a pressure relief port; 903. injecting a pressure port; 904. opening and closing the spring; 905. closing the valve; 10. a limiting mechanism; 1001. a limiting plate; 1002. a limiting chute; 1003. a limiting rod; 1004. a limiting ring; 1005. fastening a bolt; 11. opening and closing a switch; 12. a chute.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the utility model provides an automatic checking device for safety valves, which comprises universal wheels 2, a pressure applying device 3, a bin door 4, a table top 6, a digital display mechanism 7, a pressure bearing device 8, a safety valve 9 to be detected and an on-off switch 11, wherein the universal wheels 2 are arranged in four places, and the four universal wheels 2 are respectively connected with the four corners of the bottom end surface of an equipment box body 1 in an axial manner; the bin gate 4 is provided with two positions, and the two bin gates 4 are respectively connected with the left end surface and the right end surface of the inner wall of a pressure equipment groove 5 arranged on the front end surface of the equipment box body 1 in a shaft mode; the pressing device 3 is fixedly connected to the inner position of the pressing equipment groove 5; the table top 6 is fixedly connected to the top end face of the equipment box body 1, and the front end of the top end face of the table top 6 is provided with a sliding groove 12; the compression device 8 is connected inside the sliding chute 12 in a sliding way; the digital display mechanism 7 is fixedly connected to the rear end position of the top end face of the table top 6; the safety valve 9 to be detected is fixedly connected to the position right below the limiting mechanism 10; the limiting mechanism 10 comprises a limiting plate 1001, a limiting chute 1002, a limiting rod 1003, a limiting ring 1004 and a fastening bolt 1005, wherein the limiting chute 1002 is arranged in the limiting plate 1001, the limiting rod 1003 is connected in the limiting chute 1002 in a sliding manner, the limiting ring 1004 is fixedly connected at the front end of the limiting rod 1003, and the fastening bolt 1005 is screwed at the rear end of the outer peripheral surface of the limiting rod 1003; the on-off switch 11 is electrically connected to the left lower corner of the top end face of the table top 6.

The pressurizing device 3 comprises a pumping machine 301, a main pump pipeline 302, branch pump pipes 303 and pressurizing nozzles 304, the main pump pipeline 302 is connected inside the pumping machine 301 in a penetrating manner, the top of the peripheral surface of the main pump pipeline 302 is fixedly connected with the branch pump pipes 303, the pressurizing nozzles 304 are connected inside the branch pump pipes 303 in four positions in a penetrating manner, the set branch pump pipes 303 can obtain pressurized air from the inside of the pumping machine 301 through the main pump pipeline 302 to perform spraying work through the pressurizing nozzles 304, and it can be ensured that the output pressure of each pressurizing nozzle 304 is kept consistent in the pressurizing process, so that the accuracy of data is ensured.

The digital display mechanism 7 comprises a digital display table 701, a pressure meter 702 and a pressure meter 703, the pressure meter 702 and the pressure meter 703 are longitudinally arranged on the front end face of the digital display table 701 in an array mode, the diameter of the pressure meter 703 is smaller than that of the pressure meter 702, the measuring ranges of the pressure meter 702 and the pressure meter 703 are 0-1.6 MPa, and the digital display mechanism is applicable to test work of most safety valves on the market

The pressure receiving device 8 includes a limiting block 801, pressure receiving pipes 802 and fastening nuts 803, the pressure receiving pipes 802 are provided with four positions, the four pressure receiving pipes 802 are installed inside the limiting block 801 in a linear array, the fastening nuts 803 are screwed on the rear ends of the outer peripheral surfaces of the four pressure receiving pipes 802, and the pressure receiving pipes 802 can perform a contraction operation on the pressure receiving pipes 802 through the fastening nuts 803 when receiving pressure, so as to ensure that the released gas does not leak from gaps.

The safety valve 9 to be detected comprises a valve body 901, a pressure relief opening 902, a pressure injection opening 903, an opening and closing spring 904 and a valve closure 905, wherein the opening at the left end of the valve body 901 is the pressure relief opening 902, the opening at the bottom of the valve body 901 is the pressure injection opening 903, the valve closure 905 is installed at the top of the valve body 901, the outer peripheral surface of the valve closure 905 is elastically connected with the opening and closing spring 904, and the targeted detection work can be performed more conveniently.

The specific use mode and function of the embodiment are as follows:

firstly, the bottom of a safety valve 9 to be detected is placed at the position of the outer circumferential surface of a pressure applying nozzle 304 exposed on the top end surface of a table top 6, then a limiting ring 1004 in a limiting mechanism 10 slides in a limiting sliding groove 1002 formed in a limiting plate 1001 through a limiting rod 1003 fixedly connected with the rear end surface to be fixed on the outer circumferential surface of the safety valve 9 to be detected, then the safety valve 9 to be detected can be firmly fixed by screwing a fastening bolt 1005, after the fixation is finished, a pressure-bearing pipe 802 in a pressure-bearing device 8 and a pressure relief opening 902 in the safety valve 9 to be detected are fixedly connected through a fastening nut 803, then a pump 301 can be started through an on-off switch 11 to shunt the main pump pipeline 302 to each branch pump pipe 303 for pressure applying operation, and in the pressure applying process, the safety valve 9 to be detected can be verified by observing a digital display 701 and a pressure applying meter 702.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a relief valve automatic check device which characterized in that: the device comprises universal wheels (2), a pressure applying device (3), a bin door (4), a table top (6), a digital display mechanism (7), a pressure receiving device (8), a safety valve (9) to be detected and an opening and closing switch (11), wherein the universal wheels (2) are arranged in four positions, and the universal wheels (2) in the four positions are respectively coupled to the four corners of the bottom end surface of an equipment box body (1); the bin door (4) is provided with two positions, and the two bin doors (4) are respectively connected to the left end surface and the right end surface of the inner wall of a pressure equipment groove (5) formed in the front end surface of the equipment box body (1) in a shaft mode; the pressing device (3) is fixedly connected to the inner position of the pressing equipment groove (5); the table top (6) is fixedly connected to the top end face of the equipment box body (1), and a sliding groove (12) is formed in the front end of the top end face of the table top (6); the compression device (8) is connected inside the sliding chute (12) in a sliding way; the digital display mechanism (7) is fixedly connected to the rear end position of the top end face of the table top (6); the safety valve (9) to be detected is fixedly connected to the position right below the limiting mechanism (10); the limiting mechanism (10) comprises a limiting plate (1001), a limiting sliding groove (1002), a limiting rod (1003), a limiting ring (1004) and a fastening bolt (1005), wherein the limiting sliding groove (1002) is formed in the limiting plate (1001), the limiting rod (1003) is connected to the limiting sliding groove (1002) in a sliding mode, the limiting ring (1004) is fixedly connected to the front end of the limiting rod (1003), and the fastening bolt (1005) is screwed to the rear end of the outer peripheral surface of the limiting rod (1003); the on-off switch (11) is electrically connected to the left lower corner of the top end face of the table top (6).

2. The automatic safety valve verification device according to claim 1, wherein: pressure applying device (3) including pump mechanism (301), main pump pipeline (302), branch pump line (303) and shower nozzle (304) of exerting pressure, the inside through connection of pump mechanism (301) has main pump pipeline (302), the outer peripheral face top fixedly connected with of main pump pipeline (302) punishment pump line (303) of four, and everywhere the inside of branch pump line (303) all through connection has shower nozzle (304) of exerting pressure.

3. The automatic safety valve verification device according to claim 1, wherein: the digital display mechanism (7) comprises a digital display table (701), a pressure meter (702) and a pressure meter (703), the pressure meter (702) and the pressure meter (703) are longitudinally arranged on the front end face of the digital display table (701) in an array mode, the diameter of the pressure meter (703) is smaller than that of the pressure meter (702), and the measuring ranges of the pressure meter (702) and the pressure meter (703) are 0-1.6 MPa.

4. The automatic safety valve verification device according to claim 1, wherein: the compression device (8) comprises a limiting block (801), compression pipes (802) and fastening nuts (803), the compression pipes (802) are arranged in four positions, the compression pipes (802) are arranged in the limiting block (801) in a linear array mode, and the fastening nuts (803) are screwed at the rear ends of the peripheral surfaces of the compression pipes (802).

5. The automatic safety valve verification device according to claim 1, wherein: the safety valve (9) to be detected comprises a valve body (901), a pressure relief opening (902), a pressure injection opening (903), an opening and closing spring (904) and a valve closure (905), wherein the pressure relief opening (902) is arranged at the left end opening of the valve body (901), the pressure injection opening (903) is arranged at the bottom opening of the valve body (901), the valve closure (905) is arranged at the top of the valve body (901), and the opening and closing spring (904) is elastically connected to the outer peripheral surface of the valve closure (905).