CN211740605U - Thermostatic valve test device - Google Patents
Thermostatic valve test device Download PDFInfo
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- CN211740605U CN211740605U CN202020447012.XU CN202020447012U CN211740605U CN 211740605 U CN211740605 U CN 211740605U CN 202020447012 U CN202020447012 U CN 202020447012U CN 211740605 U CN211740605 U CN 211740605U
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Abstract
The utility model belongs to the technical field of mechanical equipment overhauls, concretely relates to experimental device of thermostatic valve. The utility model comprises a thermostatic valve temperature-sensing element operation test device and a thermostatic valve leakage test device, wherein the thermostatic valve temperature-sensing element operation test device comprises a bracket, a dial indicator, a thermostatic bath, a digital display thermometer and a control box; the thermostatic valve leakage test device comprises a pump, a stop valve, a storage tank, a pressure gauge, a thermostatic valve, a thermometer and a measuring cup. The opening temperature, the full opening temperature and the maximum travel value of the temperature sensing element can be detected and the leakage quantity of the valve can be measured in the maintenance process.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment overhauls, concretely relates to experimental device of thermostatic valve.
Background
The thermostatic valve has the characteristic that the medium temperature can be automatically regulated only by utilizing the self energy of the regulated medium without external energy, and meanwhile, the constant flow of the system can be effectively ensured by the three-way structural design, and the thermostatic valve is not influenced even under the condition of temperature rise.
The temperature sensing element of the thermostatic valve adopts paraffin/brass mixture, when a hot temperature medium flows into the valve, the temperature rises, the temperature sensing element expands to push the slide valve, so that the valve core moves upwards, and the opening of the valve core is correspondingly increased.
In addition, the valve provides a wide temperature setting range, and thus the valve is widely used for controlling the temperature of a medium such as lubricating oil, cooling water, or the like.
In the maintenance process, the opening temperature, the full opening temperature and the maximum stroke value of the temperature sensing element need to be checked during component inspection, and the leakage rate of the valve needs to be measured after assembly is completed.
Disclosure of Invention
An object of the utility model is to provide a thermostatic valve is experimental device, can realize opening temperature, full open temperature, the biggest stroke value to the temperature sensing element in the maintenance process and examine and measure the leakage quantity to the valve.
The utility model adopts the technical proposal that:
a thermostatic valve test device comprises a thermostatic valve temperature sensing element operation test device and a thermostatic valve leakage test device, wherein the thermostatic valve temperature sensing element operation test device comprises a support, a dial indicator, a thermostatic bath, a digital display thermometer and a control box; the thermostatic valve leakage test device comprises a pump, a stop valve, a storage tank, a pressure gauge, a thermostatic valve, a thermometer and a measuring cup.
Among the thermostatic valve temperature sensing element operation test device, the support comprises a support base and a cradling piece, and the cradling piece adopts L type structure, and the montant of cradling piece is connected with a support base through the welding mode, is provided with percentage table installation through-hole on the horizontal pole of cradling piece.
The dial indicator is arranged on the dial indicator mounting through hole of the bracket, and the measuring rod of the dial indicator is contacted with the upper end part of the temperature sensing element.
Be provided with heating element in the thermostatic bath, be provided with heating element business turn over oral cavity on the curb plate, be provided with experimental water filling hole on the roof, the temperature-sensing element mounting hole, digital display thermometer measuring stick mounting hole and control box thermometer measuring stick mounting hole, temperature-sensing element (2 install to the thermostatic bath through the temperature-sensing element mounting hole on, digital display thermometer passes through digital display thermometer measuring stick mounting hole and installs to the thermostatic bath on, the thermometer measuring stick of control box passes through control box thermometer measuring stick mounting hole and installs to the thermostatic bath on, the cable of control box is connected with heating element.
In the constant temperature valve leakage test device, a pump, a stop valve and a storage tank are sequentially arranged on a valve test inlet pipeline, and the inlet pipeline is connected with the pump, the stop valve, the storage tank and a valve A end in a flange mode.
A thermometer measuring rod mounting hole is formed in the top plate of the storage tank, and the thermometer is mounted on the storage tank through the thermometer measuring rod mounting hole; the thermometer was mounted to the valve test inlet line through the meter measurement tube.
The measuring cup is arranged below a valve test outlet pipeline gate, and the outlet pipeline is connected with the C end of the valve in a flange mode; and the end B of the valve is blocked by using a blocking plate.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) the utility model provides a thermostatic valve test device which has simple structure, simple operation, convenient maintenance and lower requirement on the skill level of operators;
(2) the utility model provides a thermostatic valve test device, which can test the opening temperature, the full opening temperature and the maximum travel value of a temperature sensing element when a part is checked in the maintenance process;
(3) the utility model provides a thermostatic valve test device, which can measure the leakage of the valve when the assembly is completed in the maintenance process;
(4) the utility model provides a thermostatic valve test device, which has reasonable design and does not need to change the original structure of the valve in the test process;
(5) the utility model provides an experimental device of thermostatic valve can extensively promote and be applied to in the maintenance work of thermostatic valve of the same type.
Drawings
FIG. 1 is a schematic structural diagram of a thermostatic valve temperature-sensing element operation test device;
FIG. 2 is a schematic structural view of a thermostatic valve leak test apparatus;
wherein: 1-a support; 2-a temperature-sensing element; 3-dial indicator; 4, a thermostatic bath; 5, digital display thermometer; 6, a control box; 7, a pump; 8-a stop valve; 9-measuring cup; 10-a thermometer; 11-pressure gauge; 12-a thermostatic valve; 13-storage tank.
Detailed Description
The present invention provides a thermostatic valve testing apparatus, which is described in detail with reference to the accompanying drawings and the embodiments.
As shown in fig. 1 and fig. 2, the utility model provides a pair of experimental device of thermostatic valve, including thermostatic valve temperature-sensing element operation test device and thermostatic valve leak test device, wherein:
the constant temperature valve temperature sensing element operation test device comprises a support 1, a dial indicator 3, a constant temperature tank 4, a digital display thermometer 5 and a control box 6;
the bracket 1 consists of a bracket base and a bracket rod, the bracket rod is of an L-shaped structure, a vertical rod of the bracket rod is connected with the bracket base in a welding mode, and a cross rod of the bracket rod is provided with a dial indicator mounting through hole;
the dial indicator 3 is arranged on a dial indicator mounting through hole of the bracket 1, and a measuring rod of the dial indicator 3 is contacted with the upper end part of the temperature sensing element 2;
be provided with heating element in the thermostatic bath 4, be provided with heating element business turn over oral cavity on the curb plate, be provided with experimental water filling hole on the roof, the temperature-sensing element mounting hole, digital display thermometer measuring stick mounting hole and control box thermometer measuring stick mounting hole, temperature-sensing element 2 passes through the temperature-sensing element mounting hole and installs to thermostatic bath 4 on, digital display thermometer 5 passes through digital display thermometer measuring stick mounting hole and installs to thermostatic bath 4 on, the thermometer measuring stick of control box 6 passes through control box thermometer measuring stick mounting hole and installs to thermostatic bath 4 on, the cable of control box 6 is connected with heating element.
The constant temperature valve leakage test device comprises a pump 7, a stop valve 8, a storage tank 13, a pressure gauge 11, a constant temperature valve 12, a thermometer 10 and a measuring cup 9; the valve is provided with A, B and C openings, wherein A is a water inlet, B and C are outlets, when the temperature of the medium is lower than the action temperature, the medium flows out from the B opening, and when the temperature of the medium is higher than the action temperature, the medium flows out from the C opening;
the pump 7, the stop valve 8 and the storage tank 13 are sequentially arranged on an inlet pipeline of the valve test, and the inlet pipeline is connected with the pump 7, the stop valve 8, the storage tank 13 and the end A of the valve in a flange mode;
a thermometer measuring rod mounting hole is formed in the top plate of the storage tank 13, and the thermometer 10 is mounted on the storage tank 13 through the thermometer measuring rod mounting hole;
the thermometer 10 is mounted to the valve test inlet line through the meter measurement tube.
The measuring cup 9 is arranged below a valve test outlet pipeline gate, and the outlet pipeline is connected with the C end of the valve in a flange mode.
And the end B of the valve is blocked by using a blocking plate.
The utility model provides a test method, including following step:
the method comprises the following steps: checking to confirm that the valve is disassembled as required, and the parts are cleaned, checked and maintained as required;
step two: according to the figure 1, a bracket 1, a dial indicator 3, a temperature sensing element 2, a thermostatic bath 4, a digital display thermometer 5 and a control box 6 are assembled into a thermostatic valve temperature sensing element operation test device, and a proper amount of test water is filled into the thermostatic bath 4 through a test water filling hole;
step three: installing the temperature sensing element 2 on the thermostatic bath 4 through a temperature sensing element installation hole, adjusting a pointer of the dial indicator 3 to a zero scale line, turning on a power switch of the digital display thermometer 5 and the control box 6, setting the temperature of the thermostatic bath 4 as the opening temperature of the valve, soaking for 5 minutes, recording the number of the dial indicator 3 as S1, setting the temperature of the thermostatic bath 4 as the full opening temperature of the valve, soaking for 5 minutes, recording the number of the dial indicator 3 as S2, calculating the running stroke value | S2-S1| of the temperature sensing element, comparing with a designed value, if the running stroke value is not less than the designed value, directly executing the fourth step, if the running stroke value is less than the designed value, repairing or replacing the temperature sensing element, and then executing the fourth step;
step four: drying the temperature sensing element 2 by using hot air, and simultaneously completing valve reinstallation work according to requirements;
step five: according to the figure 2, a pump 7, a stop valve 8, a storage tank 13, a pressure gauge 11, a thermostatic valve 12, a thermometer 10 and a measuring cup 9 are assembled to form a thermostatic valve leakage test device;
step six: a manual adjustment and adjustment assembly, setting the valve operation mode to be a manual mode, setting the valve core at an opening position, sealing the port B by using a blocking plate, slowly introducing test water from the end A until the test water fills the whole valve, exhausting air in the cavity, manually adjusting the adjustment assembly, setting the valve operation mode to be an automatic mode, setting the valve core at an initial position, opening a stop valve 8, opening a power switch of a pump 7, slowly increasing the test pressure at an inlet until the test pressure is reached, keeping the test pressure according to a specified time, recording the volume of the leakage test water in a measuring cup 9, comparing the volume with a design value, directly executing the step seven if the leakage is not more than the design value, if the leakage is equal to the design value, analyzing and searching for reasons to eliminate defects and executing the leakage test again, and executing the step seven if the leakage is qualified;
step seven: after the test was completed, the inner and outer surfaces of all the valves were dried with hot air.
The above description is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept thereof equally within the technical scope disclosed in the present invention, and all the modifications should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a device that thermostatic valve is experimental which characterized in that: the device comprises a thermostatic valve temperature-sensing element operation test device and a thermostatic valve leakage test device, wherein the thermostatic valve temperature-sensing element operation test device comprises a support (1), a dial indicator (3), a thermostatic bath (4), a digital display thermometer (5) and a control box (6); the thermostatic valve leakage test device comprises a pump (7), a stop valve (8), a storage tank (13), a pressure gauge (11), a thermostatic valve (12), a thermometer (10) and a measuring cup (9).
2. A thermostatic valve test apparatus according to claim 1, wherein: among the thermostatic valve temperature sensing element operation test device, support (1) comprises a support seat and a cradling piece, and the cradling piece adopts L type structure, and the montant of cradling piece is connected with a support seat through the welding mode, is provided with percentage table installation through-hole on the horizontal pole of cradling piece.
3. A thermostatic valve test apparatus according to claim 2, wherein: the dial indicator (3) is arranged on the dial indicator mounting through hole of the bracket (1), and the measuring rod of the dial indicator (3) is contacted with the upper end part of the temperature sensing element (2).
4. A thermostatic valve test apparatus according to claim 3, wherein: be provided with heating element in thermostatic bath (4), be provided with heating element business turn over oral cavity on the curb plate, be provided with experimental water filling hole on the roof, the temperature-sensing element mounting hole, digital display thermometer measuring stick mounting hole and control box thermometer measuring stick mounting hole, temperature-sensing element (2) are installed to thermostatic bath (4) through the temperature-sensing element mounting hole on, digital display thermometer (5) are installed to thermostatic bath (4) through digital display thermometer measuring stick mounting hole on, the thermometer measuring stick of control box (6) is installed to thermostatic bath (4) through control box thermometer measuring stick mounting hole on, the cable of control box (6) is connected with heating element.
5. A thermostatic valve test apparatus according to claim 1, wherein: among the constant temperature valve leak test device, pump (7), stop valve (8) and storage tank (13) set gradually on the experimental import pipeline of valve, the import pipeline is connected with pump (7), stop valve (8), storage tank (13) and valve A end through the flange form.
6. A thermostatic valve test apparatus according to claim 5, wherein: a thermometer measuring rod mounting hole is formed in the top plate of the storage tank (13), and the thermometer (10) is mounted on the storage tank (13) through the thermometer measuring rod mounting hole; a thermometer (10) is mounted to the valve test inlet line through the meter measurement tube.
7. A thermostatic valve test apparatus according to claim 6, wherein: the measuring cup (9) is arranged below a valve test outlet pipeline gate, and the outlet pipeline is connected with the end C of the valve in a flange mode; and the end B of the valve is blocked by using a blocking plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020447012.XU CN211740605U (en) | 2020-03-31 | 2020-03-31 | Thermostatic valve test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020447012.XU CN211740605U (en) | 2020-03-31 | 2020-03-31 | Thermostatic valve test device |
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| CN211740605U true CN211740605U (en) | 2020-10-23 |
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| CN202020447012.XU Active CN211740605U (en) | 2020-03-31 | 2020-03-31 | Thermostatic valve test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289241A (en) * | 2020-03-31 | 2020-06-16 | 江苏核电有限公司 | Thermostatic valve test device and method |
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2020
- 2020-03-31 CN CN202020447012.XU patent/CN211740605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289241A (en) * | 2020-03-31 | 2020-06-16 | 江苏核电有限公司 | Thermostatic valve test device and method |
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