CN213748856U - Static crushing agent axial expansion pressure testing device - Google Patents
Static crushing agent axial expansion pressure testing device Download PDFInfo
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- CN213748856U CN213748856U CN202022979779.XU CN202022979779U CN213748856U CN 213748856 U CN213748856 U CN 213748856U CN 202022979779 U CN202022979779 U CN 202022979779U CN 213748856 U CN213748856 U CN 213748856U
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- fixed frame
- axial expansion
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- pressure sensor
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- 238000012360 testing method Methods 0.000 title claims abstract description 87
- 230000003068 static effect Effects 0.000 title claims abstract description 49
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- 238000001816 cooling Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 239000010721 machine oil Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 2
- 238000005336 cracking Methods 0.000 claims 9
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000006703 hydration reaction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
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- 230000001629 suppression Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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Abstract
The utility model relates to a static breaker axial expansion presses testing arrangement, including rigidity fixed frame, test barrel, shutoff respectively test barrel both ends opening and portable first piston and second piston, press, pressure sensor who sets up and be used for reducing the temperature control system of test barrel temperature. The testing cylinder is fixedly arranged in the rigid fixing frame along the axial direction, the pressure sensor and the press are fixedly arranged on the rigid fixing frame, the outer ends of the first piston and the second piston are respectively connected with the pressure sensor and the press head of the press, and the opening at least one end of the testing cylinder can be opened and closed. The utility model can absorb the heat generated by the heat release of the hydration reaction of the static crushing agent by arranging the temperature control system, so that the hydration reaction of the static crushing agent can be normally generated, the measurement error is reduced, the occurrence of the orifice phenomenon can be inhibited, the potential safety hazard is reduced, and the success rate of the test is improved; each part can be dismantled and connect, and the test barrel opening can be opened and shut, and the device equipment is convenient, and the test is convenient, the clearance of being convenient for.
Description
Technical Field
The utility model relates to a static breaker inflation pressure testing arrangement, especially a static breaker axial inflation pressure testing arrangement.
Background
The static crushing technology takes a static crushing agent as a carrier, the static crushing agent is expansive powder which generates solid expansion through reaction after being mixed with water according to a certain proportion, and the static crushing agent is widely applied to the fields of rock crushing, precious stone mining, building demolition and the like since the advent, wherein the expansion pressure is the most main index for measuring the performance of the static crushing agent, the expansion pressure is the direct influence factor of the crushing effect of the static crushing agent, but the research on the expansion pressure of the static crushing agent by most students at present mainly focuses on the radial expansion pressure, and the research and utilization on the axial expansion mechanical property of the static crushing agent are less.
At present, the method for testing the expansion pressure of the static crushing agent mainly comprises an outer tube method, an inner tube method and a pressure sensor method, wherein strain values generated by the static crushing agent in a capacity-limited state are measured by using a resistance strain gauge, and the expansion pressure of the static crushing agent is calculated by using a corresponding formula. The three expansion pressure test methods have the following problems:
(1) basically, the method is used for measuring the radial expansion pressure of the material, and no good test method exists for measuring the axial expansion pressure;
(2) the heat released by the reaction of the static crushing agent and water has great influence on the measurement result of the resistance strain gauge, and a large measurement error exists;
(3) the high temperature generated by the hydration reaction of the static crushing agent can cause the spray holes, which leads to the measurement failure and even can cause the injury to the testers;
(4) the high temperature generated by the static crushing agent can cause the failure of glue for adhering the resistance strain gauge to cause the fall of the resistance strain gauge, thereby causing the failure of measurement.
In a word, the whole testing process of the testing method is complex, the error is large and the success rate is not high.
In order to solve the above problems, the related art has also studied a new static breaker swelling pressure test method, which includes: a hydraulic balance pressure measuring instrument testing method, a hydraulic pressure transmission testing method, a force measuring ring pressure testing method and the like. But the problems of large error, low precision, inconvenient use and the like exist through use discovery.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main objective is to overcome prior art's shortcoming, provides one kind and can reduce measuring error, and the suppression orifice phenomenon takes place, reduces the potential safety hazard, improves the test success rate, and the equipment is convenient, and the test is convenient, the static breaker axial expansion pressure testing arrangement of the clearance of being convenient for.
The utility model adopts the following technical scheme:
a static crushing agent axial expansion pressure testing device comprises a rigid fixed frame, a testing cylinder body for containing a static crushing agent, a first piston and a second piston which respectively block openings at two ends of the testing cylinder body and are movably arranged relative to the testing cylinder body, a press machine, a pressure sensor and a temperature control system for reducing the temperature of the testing cylinder body, wherein the testing cylinder body is fixedly arranged in the rigid fixed frame along the axial direction, the pressure sensor and the press machine are fixedly arranged on the rigid fixed frame, the outer ends of the first piston and the second piston are respectively connected or abutted with the pressure sensor and a press machine pressure head, the first piston is detachably connected with the testing cylinder body, and the pressure sensor is detachably connected relative to the fixed frame, and/or the second piston is detachably connected with the testing cylinder body and the press machine is detachably connected relative to the rigid fixed frame, so that the opening at least one end of the testing cylinder body can be opened and closed.
Further, the press machine comprises a press machine oil cylinder and a press head, and the press machine oil cylinder is detachably connected to the rigid fixing frame through a first support.
Furthermore, the first support is detachably connected with the press oil cylinder, and/or the first support is detachably connected with the rigid fixed frame.
Further, the pressure sensor is detachably connected to the rigid fixed frame through a second bracket.
Further, the second bracket is detachably connected with the pressure sensor, and/or the second bracket is detachably connected with the rigid fixed frame.
Further, a displacement sensor is connected to the press head of the press.
Furthermore, the static crushing agent axial expansion pressure testing device further comprises an axial expansion pressure display which is in communication connection with the pressure sensor.
Further, the test cylinder is a cylindrical metal cylinder.
Furthermore, a closed space is formed between the rigid fixed frame and the outer wall of the testing cylinder, the temperature control system is installed on the rigid fixed frame, and the temperature control output end of the temperature control system is communicated with the closed space between the rigid fixed frame and the outer wall of the testing cylinder.
Further, the temperature control system comprises a temperature detection unit, a control unit and cooling equipment, wherein the temperature detection unit is in communication connection with the control unit, and the control unit is in connection control with the cooling equipment.
From the above description of the present invention, compared with the prior art, the present invention has the following advantages:
firstly, the temperature control system can absorb heat generated by the hydration reaction of the static crushing agent, so that the static crushing agent normally undergoes the hydration reaction, the measurement error is reduced, the occurrence of orifice phenomena can be inhibited, the influence of the orifice phenomena on the axial expansion pressure measurement of the static crushing agent is eliminated, the damage to testing personnel can be avoided, the potential safety hazard is reduced, and the testing success rate is improved;
secondly, the axial expansion pressure display is arranged, so that the axial expansion pressure value of the static crushing agent measured by the pressure sensor can be displayed, and the static crushing agent can be visually and conveniently recorded;
and thirdly, at least one end opening of the testing cylinder body can be opened and closed, the first piston or the second piston corresponding to one end capable of being opened and closed can be detachably connected with the testing cylinder body, the pressure sensor or the pressure machine can be detachably connected with the rigid fixed frame through the first support and the second support, the pressure machine and the pressure sensor can be detachably connected with the rigid fixed frame through the first support and the second support respectively, the device is convenient to assemble, the testing is convenient, and the cleaning is more convenient. Meanwhile, the structure is compact and simple, the use is safe and environment-friendly, and the production is more practical.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of a static breaker axial expansion pressure testing device according to embodiment 1 of the present invention.
In the figure: 1. the test device comprises a rigid fixed frame, 11 parts of a hollow cylindrical frame, 12 parts of a conical barrel type top platform, 13 parts of a bottom platform, 2 parts of a test barrel, 3 parts of a first piston, 4 parts of a second piston, 5 parts of a press, 51 parts of a press oil cylinder, 52 parts of a press pressure head, 53 parts of a displacement sensor, 6 parts of a pressure sensor, 7 parts of a temperature control system, 8 parts of a first support, 81 parts of a rigid support I, 82 parts of a rigid support II, 9 parts of a second support, 91 parts of a rigid support III, 92 parts of a rigid support IV and 10 parts of an axial expansion pressure display.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Example 1
Referring to fig. 1, the utility model discloses a static breaker axial expansion presses testing arrangement, including rigidity fixed frame 1, the test barrel 2 that is used for the static breaker of holding, the portable first piston 3 and the second piston 4 that set up of 2 both ends openings of difference shutoff test barrel and relative test barrel, press 5, pressure sensor 6 and be used for reducing the temperature control system 7 of test barrel temperature.
The rigid fixed frame 1 comprises a hollow cylindrical frame 11, a conical cylindrical top platform 12 connected to the top of the hollow cylindrical frame 11, and a bottom platform 13 connected to the bottom of the hollow cylindrical frame 11. The test cylinder 2 is a cylindrical steel cylinder. The testing cylinder 2 is fixedly arranged in the rigid fixed frame 1 along the axial direction, the outer wall of the upper end of the testing cylinder is connected with the upper port of the conical cylindrical top platform 12 in a sealing manner, and the aperture of the upper port of the conical cylindrical top platform 12 is the same as the outer diameter of the testing cylinder 2. The diameters of the first piston 3 and the second piston 4 are the same as the inner diameter of the testing cylinder 2, and the sum of the axial heights of the first piston 3 and the second piston 4 is half of the length of the testing cylinder 2.
The press machine 5 includes a press machine oil cylinder 51 and a press ram 52 connected to the press machine oil cylinder 51 and interlocked with a piston rod of the press machine oil cylinder 51. A displacement sensor 53 is connected to the press ram 52. The press machine 5 adopts the prior art and is also connected with a press machine control console. The press cylinder 51 is detachably connected to the rigid fixed frame 1 through the first bracket 8, and is fixedly arranged relative to the rigid fixed frame 1. One end of the first support 8 is detachably connected with the conical cylindrical top platform 12 of the rigid fixed frame 1 through a quick connection assembly, and the other end of the first support is fixedly connected with the oil cylinder 51 of the press. The quick connection assembly comprises a clamping groove preset on the conical cylindrical top platform 12 of the rigid fixed frame 1 and a clamping piece arranged on the first support 8 and capable of being matched with the clamping groove to be clamped, and the matching structure of the clamping groove and the clamping piece adopts the prior art. The first bracket 8 comprises a rigid bracket I81 and a rigid bracket II 82 which are respectively and independently arranged, wherein the rigid bracket I81 and the rigid bracket II 82 are symmetrically arranged and have the same length and diameter. The outer end of the second piston 4 is abutted against the press head 52, and the second piston 4 is detachably connected to the testing cylinder 2, so that the opening at the upper end of the testing cylinder 2 can be opened and closed.
The pressure sensor 6 is detachably connected to the rigid fixing frame 1 through a second bracket 9, and is fixedly arranged relative to the rigid fixing frame 1. One end of the second support 9 is detachably connected with the bottom platform 13 of the rigid fixed frame 1 through a quick connection assembly, and the other end of the second support is fixedly connected with the pressure sensor 6. The quick connection assembly comprises a clamping groove preset on the bottom platform 13 of the rigid fixing frame 1 and a buckling piece which is arranged on the second support and can be matched with the clamping groove to be clamped, and the matching structure of the clamping groove and the buckling piece adopts the prior art. The second bracket 9 comprises a rigid bracket III 91 and a rigid bracket IV 92 which are respectively and independently arranged, wherein the rigid bracket III 91 and the rigid bracket IV 92 are symmetrically arranged and have the same length and diameter. The outer end of the first piston 3 is abutted against the pressure sensor 6, and the first piston 3 is detachably connected to the testing cylinder 2. The device further comprises an axial expansion pressure display 10 which is in communication connection with the pressure sensor 6 through a cable, and the axial expansion pressure display 10 is arranged outside the rigid fixing frame 1. The axial expansion pressure display 10 is internally provided with a data processing unit which can directly convert the axial expansion force measured by the pressure sensor 6 into an axial expansion pressure value to be displayed, and the data processing unit and a processing algorithm thereof are the prior art.
The temperature control system 7 comprises a temperature detection unit, a control unit and cooling equipment, wherein the temperature detection unit is in communication connection with the control unit, and the control unit is connected with the control cooling equipment and used for reducing the temperature of the test cylinder body so that the temperature of the static crushing agent during reaction is always lower than the temperature of the spray holes. The temperature control system 7 is of the prior art. In this embodiment, the temperature detection unit may employ a temperature sensor, the control unit may employ an MCS-51 single chip microcomputer, and the cooling device may employ an air cooling device. A closed space is formed between the rigid fixed frame 1 and the outer wall of the testing cylinder 2, the temperature control system 7 is installed on the rigid fixed frame 1, and a cold air outlet of the cooling equipment is communicated with the closed space between the rigid fixed frame 1 and the outer wall of the testing cylinder 2.
The rigid fixed frame 1 is reserved with cable holes. And the cable for connecting the pressure sensor 6 with the expansion pressure display 10 and the cable of the temperature control system 7 are arranged in cable holes, and are sealed with the cable holes through sealing ring structures.
Referring to fig. 1, when the static crushing agent axial expansion pressure testing device of the present invention is installed, the pressure sensor 6 is fixed in the rigid fixing frame 1 through the rigid support iii 91 and the rigid support iv 92, the pressure sensor 6 is connected with the axial expansion pressure display 10, and the temperature control system 7 is connected with the rigid fixing frame 1; after the pressure sensor 6 is fixed, the testing cylinder 2 is placed on the pressure sensor 6, and the first piston 3 is placed in the testing cylinder 2 to be in contact with the pressure sensor 6; then connecting the displacement sensor 53 with the press head 52, filling the prepared static crushing agent into the testing cylinder 2, tamping and leveling, and then filling the second piston 4 into the testing cylinder 2; the press 5 is quickly fixed on the rigid fixed frame 1 through the rigid support I81 and the rigid support II 82, the positions of the press pressure head 52 and the second piston 4 are adjusted through the press control console, the second piston 4 is ensured to be in contact with the press pressure head 52, and the installation of the whole device is completed. During testing, the temperature control system 7 is started to perform axial expansion pressure testing on the static crushing agent.
Example 2
This example differs from example 1 in that: one end of the first support 8 is fixedly connected with the conical cylindrical top platform 12 of the rigid fixed frame 1, and the other end of the first support is detachably connected with the oil cylinder 51 of the press machine through a quick connection assembly. One end of the second support 9 is fixedly connected with the bottom platform 13 of the rigid fixed frame 1, and the other end of the second support is detachably connected with the pressure sensor 6 through the quick connection assembly.
Example 3
This example differs from example 1 in that: the outer end of the first piston 3 is fixedly connected with the pressure sensor 6, and the outer end of the second piston 4 is fixedly connected with the press head 52.
The aforesaid is only the utility model discloses a three embodiment, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (10)
1. The utility model provides a static breaker axial expansion presses testing arrangement which characterized in that: including the rigidity fixed frame, a test barrel for holding static breaker, the portable first piston and the second piston that sets up of test barrel both ends opening and relative test barrel of shutoff respectively, the press, pressure sensor and be used for reducing the temperature control system of test barrel temperature, the test barrel is installed in the rigidity fixed frame along axial fixity, pressure sensor and press fixed mounting are on the rigidity fixed frame, it is first, second piston outer end is connected or butt with pressure sensor and press pressure head respectively, first piston can be dismantled to be connected in test barrel and pressure sensor and can dismantle the connection for fixed frame, and/or the second piston can be dismantled to be connected in test barrel and press and can dismantle the connection for the rigidity fixed frame, so that the at least one end opening of test barrel can open and shut.
2. The static cracking agent axial expansion pressure testing device of claim 1, wherein: the press machine comprises a press machine oil cylinder and a press head, wherein the press machine oil cylinder is detachably connected to the rigid fixed frame through a first support.
3. The static cracking agent axial expansion pressure testing device of claim 2, wherein: the first support is detachably connected with the press oil cylinder, and/or the first support is detachably connected with the rigid fixed frame.
4. The static cracking agent axial expansion pressure testing device of claim 1, wherein: the pressure sensor is detachably connected to the rigid fixed frame through a second support.
5. The static cracking agent axial expansion pressure testing device of claim 4, wherein: the second support is detachably connected with the pressure sensor, and/or the second support is detachably connected with the rigid fixed frame.
6. The static cracking agent axial expansion pressure testing device of claim 1, wherein: and a displacement sensor is connected to the press head of the press machine.
7. The static cracking agent axial expansion pressure testing device of claim 1, wherein: the axial expansion pressure display is in communication connection with the pressure sensor.
8. The static cracking agent axial expansion pressure testing device of claim 1, wherein: the test cylinder is a cylindrical metal cylinder.
9. The static cracking agent axial expansion pressure testing device of claim 1, wherein: the temperature control system is arranged on the rigid fixed frame, and the temperature control output end of the temperature control system is communicated with the closed space between the rigid fixed frame and the outer wall of the testing cylinder.
10. The static cracking agent axial expansion pressure test device of claim 1 or 9, wherein: the temperature control system comprises a temperature detection unit, a control unit and cooling equipment, wherein the temperature detection unit is in communication connection with the control unit, and the control unit is in connection control with the cooling equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022979779.XU CN213748856U (en) | 2020-12-11 | 2020-12-11 | Static crushing agent axial expansion pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022979779.XU CN213748856U (en) | 2020-12-11 | 2020-12-11 | Static crushing agent axial expansion pressure testing device |
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| Publication Number | Publication Date |
|---|---|
| CN213748856U true CN213748856U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022979779.XU Expired - Fee Related CN213748856U (en) | 2020-12-11 | 2020-12-11 | Static crushing agent axial expansion pressure testing device |
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| Country | Link |
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| CN (1) | CN213748856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060565A (en) * | 2022-08-16 | 2022-09-16 | 昆明理工大学 | Detection equipment and method for pre-splitting blasting model test |
-
2020
- 2020-12-11 CN CN202022979779.XU patent/CN213748856U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060565A (en) * | 2022-08-16 | 2022-09-16 | 昆明理工大学 | Detection equipment and method for pre-splitting blasting model test |
| CN115060565B (en) * | 2022-08-16 | 2022-11-01 | 昆明理工大学 | Detection equipment and method for pre-splitting blasting model test |
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Granted publication date: 20210720 Termination date: 20211211 |