CN213632649U

CN213632649U - Valve sealing performance detection device

Info

Publication number: CN213632649U
Application number: CN202022390750.8U
Authority: CN
Inventors: 于田; 于辉
Original assignee: Henan Shangdie Valve Co ltd
Current assignee: Henan Shangdie Valve Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-07-06
Anticipated expiration: 2030-10-26

Abstract

The utility model relates to a valve check out test set technical field specifically is a valve tightness detection device, including motor, screw nut, workstation and base, the other end of motor is equipped with air generator, the air generator bottom is connected with the intake pipe, the screw nut bottom is connected with electric lift rod, the electric lift rod bottom is connected with the balance plate, be equipped with the gas storage tank between the electric lift rod, the balance plate bottom is connected with the connecting rod, the connecting rod bottom is connected with the detection case, the base bottom is equipped with the supporting seat, supporting seat one side is connected with the universal wheel, through motor, conveyer belt, lead screw, screw nut and the electric lift rod that sets up, has improved detection device's flexibility, has reduced its operation degree of difficulty for convenience more during the equipment uses.

Description

Valve sealing performance detection device

Technical Field

The utility model relates to a valve check out test set technical field specifically is a valve leakproofness detection device.

Background

Valves are pipe fittings for opening and closing pipes, controlling flow direction, regulating and controlling parameters (temperature, pressure and flow) of a conveying medium, and can be classified into shut-off valves, check valves, regulating valves, etc. according to their functions, the valves are control parts in a fluid conveying system, have functions of stopping, regulating, guiding, preventing backflow, stabilizing pressure, shunting or overflowing pressure relief, etc., are used for valves of fluid control systems, ranging from the simplest stop valves to various valves used in extremely complicated automatic control systems, and have quite various varieties and specifications, the valves can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oils, liquid metals and radioactive media, etc., and are classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, etc. according to the materials, the sealing performance of a dual-phase steel valve, a plastic valve, a nonstandard valve and the like is tested before the valve leaves a factory and in the using process.

Although the types of tightness detection devices for valves on the market are various, most of the tightness detection devices are only changed in form, the functions of the tightness detection devices are not changed greatly, the tightness detection devices are complex to operate in the detection process, the existing tightness detection devices can only detect the valves of the same type and cannot be adjusted according to the sizes of the valves, and therefore the current situation is changed by the aid of the valve tightness detection devices.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve tightness detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a valve tightness detection device comprises a motor, a screw nut, a workbench and a base, wherein one end of the motor is connected with a conveying belt, the bottom end of the conveying belt is connected with a screw, the other end of the motor is provided with an air generator, the bottom end of the air generator is connected with an air inlet pipe, the bottom end of the screw nut is connected with an electric lifting rod, the bottom end of the electric lifting rod is connected with a balance plate, an air storage box is arranged between the electric lifting rods, the bottom end of the balance plate is connected with a connecting rod, the bottom end of the connecting rod is connected with a detection box, one end of the bottom end of the detection box is connected with an air outlet pipe, a gas detector and an air leakage box are arranged in the detection box, the bottom end of the air leakage box is connected with an air leakage pipe, one, the air cylinder is connected with the clamping jaw on one side, the clamping jaw top is connected with locking bolt, the constant head tank has been seted up to the left clamping jaw bottom that the workstation top is located, the clamping jaw bottom that the workstation top is located the right side is equipped with the reference column, the workstation bottom is equipped with the controller, the workstation bottom is equipped with the shock attenuation post all around, the base bottom is equipped with the supporting seat, supporting seat one side is connected with the universal wheel.

Preferably, the lead screw nut and the lead screw are slidably connected.

Preferably, four groups of shock absorption columns, four groups of supporting seats and four groups of universal wheels are arranged.

Preferably, the positioning column and the positioning groove are matched in size.

Preferably, one end of the air inlet pipe is connected with the air generator, the other end of the air inlet pipe is connected with the air storage box, one end of the air outlet pipe is connected with the air storage box, and the other end of the air outlet pipe is connected with the sealing plate.

Preferably, an air pressure sensor is arranged in the air generator, the controller is specifically a PLC controller, and the motor, the air generator, the electric lifting rod, the gas detector and the cylinder are electrically connected with the controller.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, motor through setting up, conveyer, the lead screw, screw nut and electric lift rod, screw nut and lead screw sliding connection, thereby can drive conveyer through the operation of motor and carry out the transmission, and then can drive the lead screw and rotate, and screw nut is located the lead screw outer end, and then control about driving screw nut, reach and adjust detection device's lateral position, can adjust detection device's vertical height through electric lift rod, so that it is inseparabler with the valve connection, detection device's flexibility has also been improved, and control motor and electric lift rod through the controller, the operation degree of difficulty is reduced, make more convenience during the equipment uses.

2. In the utility model, through the arranged air generator, the air inlet pipe, the air storage box, the detection box, the air outlet pipe, the air outlet and the sealing plate, in the detection process, the valve is kept in a sealing state through the sealing plate, the air generator generates detection gas, the detection gas reaches the gas storage box through the gas inlet pipe, the valve is inflated through the air outlet pipe and the air outlet to achieve the effect of detecting the sealing of the valve, when detecting leakage, the gas in the valve will enter into the leakage box inside the detection box along with the leakage pipe and be detected by the gas detector, when the gas detector detects that the gas in the gas leakage box contains gas, the data is transmitted to the controller, and the alarm in the controller is used for alarming and prompting, therefore, the efficiency of detecting the sealing performance of the valve is improved, and the equipment is more efficient in use.

3. The utility model discloses in, through be equipped with cylinder and clamping jaw on the workstation top, the workstation top is located left clamping jaw bottom and has seted up the constant head tank, the clamping jaw bottom that the workstation top is located the right side is equipped with the reference column, thereby it removes to drive the clamping jaw through the cylinder, reach and carry out spacing effect to the valve, fix a position through constant head tank and reference column, and lock fixedly to it through the locking bolt, avoided the valve to remove in the testing process, and can reduce the emergence vibration in the testing process through the shock attenuation post, can remove the device through the universal wheel, make more facility during the equipment uses.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is an enlarged schematic view of point A of the present invention;

FIG. 3 is a schematic view of the inside of the detection box of the present invention;

in the figure: 1-motor, 2-lead screw nut, 3-workbench, 4-base, 5-conveying belt, 6-lead screw, 7-air generator, 8-air inlet pipe, 9-electric lifting rod, 10-balance plate, 11-air storage tank, 12-connecting rod, 13-detection tank, 14-air outlet pipe, 15-air detector, 16-air leakage tank, 17-air leakage pipe, 18-air outlet, 19-air cylinder, 20-clamping jaw, 21-locking bolt, 22-positioning groove, 23-positioning column, 24-controller, 25-shock absorption column, 26-supporting seat, 27-universal wheel and 28-sealing plate

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Please refer to fig. 1-3, the present invention provides a technical solution:

a valve tightness detection device comprises a motor 1, a screw nut 2, a workbench 3 and a base 4, wherein one end of the motor 1 is connected with a conveying belt 5, the bottom end of the conveying belt 5 is connected with a screw 6, the other end of the motor 1 is provided with an air generator 7, the bottom end of the air generator 7 is connected with an air inlet pipe 8, the bottom end of the screw nut 2 is connected with an electric lifting rod 9, the screw nut 2 is arranged at the outer end of the screw 6 and drives the screw nut 2 to move left and right through the arranged motor 1, the conveying belt 5, the screw nut 6 and the electric lifting rod 9, the screw nut 2 is connected with the screw 6 in a sliding manner, so that the conveying belt 5 can be driven through the operation of the motor 1, the screw 6 can be driven to rotate, the screw nut 2 is arranged at the outer end of the screw 6 and further drives the screw nut, so that the electric lifting device is more closely connected with a valve, the flexibility of the detection device is also improved, the motor 1 and the electric lifting rod 9 are controlled by the controller 24, the operation difficulty is reduced, and the use of the equipment is more convenient, the bottom end of the electric lifting rod 9 is connected with the balance plate 10, the gas storage box 11 is arranged between the electric lifting rods 9, the bottom end of the balance plate 10 is connected with the connecting rod 12, the bottom end of the connecting rod 12 is connected with the detection box 13, one end of the bottom end of the detection box 13 is connected with the gas outlet pipe 14, the interior of the detection box 13 is provided with the gas detector 15 and the gas leakage box 16, the bottom end of the gas leakage box 16 is connected with the gas leakage pipe 17, one end of the bottom of the gas leakage pipe 17 is provided with the gas outlet 18, the top end of the gas outlet 18 is provided with the sealing plate 28, both ends of the top of the, the bottom end of a clamping jaw 20 positioned on the right side of the top end of a workbench 3 is provided with a positioning column 23, the bottom end of the workbench 3 is provided with a controller 24, an air generator 7, an air inlet pipe 8, an air storage box 11, a detection box 13, an air outlet pipe 14, an air outlet 18 and a sealing plate 28 are arranged, in the detection process, a valve is kept in a sealing state through the sealing plate 28, detection gas is generated through the air generator 7, the detection gas reaches the air storage box 11 through the air inlet pipe 8 and is inflated inside the valve through the air outlet pipe 14 and the air outlet 18, the effect of detecting the valve sealing is achieved, when the gas leakage is detected, the gas inside the valve enters a gas leakage box 17 inside the detection box 13 along with the gas leakage pipe 16 and is detected through a gas detector 15, when the gas detector 15 detects that the gas inside the gas leakage box 17 contains the gas, the data are transmitted to the controller, thereby improving the high efficiency of valve tightness detection, leading the equipment to be more efficient when in use, the periphery of the bottom of the workbench 3 is provided with a shock absorption column 25, the bottom of the base 4 is provided with a supporting seat 26, one side of the supporting seat 26 is connected with a universal wheel 27, the top end of the workbench 3 is provided with a cylinder 19 and a clamping jaw 20, the top end of the workbench 3 is provided with a positioning groove 22 at the bottom end of the clamping jaw 20 at the left side, the top end of the workbench 3 is provided with a positioning column 23 at the bottom end of the clamping jaw 20 at the right side, thereby driving the clamping jaw 20 to move through the cylinder 19, achieving the function of limiting the valve, positioning through the positioning groove 22 and the positioning column 23, and locking and fixing the clamping jaw through a locking bolt 21, avoiding the valve moving in the detection process, reducing the vibration in the detection process through the shock absorption column 25, has certain popularization value.

The utility model discloses work flow: when in use, the motor 1, the conveying belt 5, the screw rod 6, the screw nut 2 and the electric lifting rod 9 are arranged, the screw nut 2 is connected with the screw rod 6 in a sliding manner, so that the conveying belt 5 can be driven to transmit through the operation of the motor 1, the screw rod 6 can be driven to rotate, the screw nut 2 is positioned at the outer end of the screw rod 6, the screw nut 2 is driven to move left and right, the transverse position of the detection device is adjusted, the longitudinal height of the detection device can be adjusted through the electric lifting rod 9, the detection device is connected with a valve more tightly, the flexibility of the detection device is improved, the motor 1 and the electric lifting rod 9 are controlled through the controller 24, the operation difficulty of the detection device is reduced, and the air generator 7, the air inlet pipe 8, the air storage box 11, the detection box 13, the air outlet pipe 14, the air outlet 18 and the sealing plate, in the detection process, the valve is kept in a sealing state through the sealing plate 28, detection gas is generated through the air generator 7, the detection gas reaches the gas storage box 11 through the gas inlet pipe 8, the interior of the valve is inflated through the gas outlet pipe 14 and the gas outlet 18, the effect of detecting the valve seal is achieved, when gas leakage is detected, the gas inside the valve enters the gas leakage box 17 inside the detection box 13 along with the gas leakage pipe 16 and is detected through the gas detector 15, when the gas detector 15 detects that the gas is contained in the gas leakage box 17, data are transmitted to the controller 24, and alarm prompt is carried out through an alarm inside the controller 24, so that the high efficiency of detecting the valve seal is improved, through arranging the cylinder 19 and the clamping jaw 20 at the top end of the workbench 3, the positioning groove 22 is formed at the bottom end of the clamping jaw 20 at the left side at the top end of the workbench 3, the positioning column 23 is formed at the bottom, thereby drive clamping jaw 20 through cylinder 19 and remove, reach and carry out spacing effect to the valve, fix a position through constant head tank 22 and reference column 23 to it is fixed to lock through locking bolt 21, avoided the valve to remove in the testing process, and can reduce the testing process through shock-absorbing column 25 and take place the vibration, can remove the device through universal wheel 27, make more convenience during the equipment use, have certain spreading value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a valve leakproofness detection device, includes motor (1), screw nut (2), workstation (3) and base (4), its characterized in that: one end of the motor (1) is connected with a conveying belt (5), the bottom end of the conveying belt (5) is connected with a lead screw (6), the other end of the motor (1) is provided with an air generator (7), the bottom end of the air generator (7) is connected with an air inlet pipe (8), the bottom end of the lead screw nut (2) is connected with an electric lifting rod (9), the bottom end of the electric lifting rod (9) is connected with a balance plate (10), an air storage box (11) is arranged between the electric lifting rods (9), the bottom end of the balance plate (10) is connected with a connecting rod (12), the bottom end of the connecting rod (12) is connected with a detection box (13), one end of the bottom end of the detection box (13) is connected with an air outlet pipe (14), a gas detector (15) and a gas leakage box (16) are arranged inside the detection, leak trachea (17) bottom one end and be equipped with gas outlet (18), gas outlet (18) top is equipped with closing plate (28), workstation (3) top both ends all are equipped with cylinder (19), cylinder (19) one side is connected with clamping jaw (20), clamping jaw (20) top is connected with locking bolt (21), workstation (3) top is located left clamping jaw (20) bottom and has seted up constant head tank (22), clamping jaw (20) bottom that workstation (3) top is located the right side is equipped with reference column (23), workstation (3) bottom is equipped with controller (24), workstation (3) bottom is equipped with shock attenuation post (25) all around, base (4) bottom is equipped with supporting seat (26), supporting seat (26) one side is connected with universal wheel (27).

2. The valve tightness detection device according to claim 1, wherein: the screw nut (2) is connected with the screw (6) in a sliding manner.

3. The valve tightness detection device according to claim 1, wherein: four groups of shock absorption columns (25), four groups of supporting seats (26) and four groups of universal wheels (27) are arranged.

4. The valve tightness detection device according to claim 1, wherein: the positioning column (23) is matched with the positioning groove (22) in size.

5. The valve tightness detection device according to claim 1, wherein: one end of the air inlet pipe (8) is connected with the air generator (7), the other end of the air inlet pipe is connected with the air storage box (11), one end of the air outlet pipe (14) is connected with the air storage box (11), and the other end of the air outlet pipe is connected with the sealing plate (28).

6. The valve tightness detection device according to claim 1, wherein: the air generator is characterized in that an air pressure sensor is arranged inside the air generator (7), the controller (24) is specifically a PLC controller, and the motor (1), the air generator (7), the electric lifting rod (9), the gas detector (15) and the air cylinder (19) are electrically connected with the controller (24).