CN213022585U - Hydraulic pressure device for forming test piece - Google Patents
Hydraulic pressure device for forming test piece Download PDFInfo
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- CN213022585U CN213022585U CN202022155716.2U CN202022155716U CN213022585U CN 213022585 U CN213022585 U CN 213022585U CN 202022155716 U CN202022155716 U CN 202022155716U CN 213022585 U CN213022585 U CN 213022585U
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- bearing plate
- distance
- test piece
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Abstract
The utility model discloses a hydraulic pressure device for molding a test piece, which comprises a control box and a test support, wherein the test support comprises a bottom plate and a top plate; an oil tank is arranged on the bottom plate, a hydraulic cylinder is arranged on the oil tank, and a lower bearing plate is connected to the upper end of a telescopic rod of the hydraulic cylinder; a spiral column is arranged on the top plate, a rotary table is arranged at the upper end of the spiral column, and an upper bearing plate is arranged at the lower end of the spiral column; a distance measuring sensor A is arranged on one side of the lower bearing plate, and a light blocking plate A is arranged on one side of the upper bearing plate; the control box includes the box, is equipped with singlechip, singlechip in the box and is connected with range sensor A, is equipped with control panel on the box, and control panel is used for setting up down the carrier plate and presets the distance with the upper carrier plate to show the actual distance of present lower carrier plate and upper carrier plate. The device is convenient for the accurate distance of monitoring lower carrier plate and last carrier plate, can the high and avoid lower carrier plate to rise too high and lead to oil to flow from the telescopic link gap of accurate control shaping test piece, avoids extravagant and reduces experimental risk.
Description
Technical Field
The utility model belongs to a test instrument field, concretely relates to hydraulic pressure device for shaping test piece.
Background
At present, the road direction scholars carry out tests such as bituminous mixture static pressure method shaping test piece, rubble static pressure method shaping test piece and coarse aggregate crushing value survey all can use hydraulic press, but the hydraulic press operation on the market is complicated, current hydraulic press can not control the height of shaping test piece, and the too big oil leak that can lead to in space between lower carrier plate and the removal post, endanger experimenter safety, and only have the scale to be used for reminding operating personnel on the press, often be difficult for perceiving, do not have urgent stop, the consequence is serious.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects existing in the prior art, the utility model aims to provide a hydraulic pressure device for shaping test piece can control the height of shaping test piece.
The utility model discloses a realize through following technical scheme:
a hydraulic pressure device for molding a test piece comprises a control box and a test support, wherein the test support comprises a bottom plate and a top plate which are oppositely arranged, and the bottom plate and the top plate are connected through a support column; an oil tank is arranged on the bottom plate, a hydraulic cylinder is arranged on the oil tank, and the upper end of a telescopic rod of the hydraulic cylinder is connected with a lower bearing plate for placing a test piece;
a screw column is arranged on the top plate, a rotary table is arranged at the upper end of the screw column, an upper bearing plate is arranged at the lower end of the screw column, and the upper bearing plate and the lower bearing plate are arranged in parallel;
a distance measuring sensor A is installed on one side of the lower bearing plate, a light blocking plate A is installed on one side of the upper bearing plate, and the light blocking plate A is arranged right above the distance measuring sensor A;
the control box includes the box, is equipped with singlechip, singlechip in the box and is connected with range sensor A, is equipped with control panel on the box, and control panel is used for setting up down the carrier plate and presets the distance with the upper carrier plate to show the actual distance of present lower carrier plate and upper carrier plate.
Further, control panel includes the display screen and sets up the button, and the display screen is connected with the singlechip with setting up the button, sets up the preset distance that the button is used for setting up bottom plate and oil tank, bottom plate and last carrier plate preset distance, and the display screen is used for showing present bottom plate and oil tank distance, bottom plate and last carrier plate distance.
Further, an oil feeding button and an oil return button are arranged on the box body, the oil feeding button is used for charging oil to the hydraulic cylinder, and the oil return button is used for discharging oil from the hydraulic cylinder; the oil feeding button and the oil return button are connected with a relay for controlling the start and stop of the electromagnetic valve, when the oil feeding button is pressed down, the electromagnetic valve is electrified, and the hydraulic cylinder takes oil; when the oil return button is pressed down, the electromagnetic valve is powered off, and the hydraulic cylinder returns oil.
Furthermore, a distance measuring sensor B is arranged on the upper surface of the oil tank, a light blocking plate B is arranged on one side of the lower bearing plate, and the light blocking plate B is arranged right above the distance measuring sensor B;
and the distance measuring sensor B is connected with the single chip microcomputer and is used for feeding back the actual distance between the lower bearing plate and the oil tank to the single chip microcomputer.
Further, the distance measuring sensor A is installed on the upper surface of the light blocking plate B.
Further, the distance measuring sensor A and the distance measuring sensor B adopt a laser distance measuring sensor or an infrared distance measuring sensor.
Furthermore, an alarm is also arranged on the box body and connected with the single chip microcomputer.
Furthermore, a through hole is formed in the top plate, and the spiral column is installed in the through hole through a bearing.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a hydraulic pressure device for molding a test piece, which comprises a control box and a test support, wherein the test support comprises a bottom plate and a top plate; an oil tank is arranged on the bottom plate, a hydraulic cylinder is arranged on the oil tank, the upper end of a telescopic rod of the hydraulic cylinder is connected with a lower bearing plate, a spiral column is arranged on the top plate, a rotary disc is arranged at the upper end of the spiral column, an upper bearing plate is arranged at the lower end of the spiral column, and the upper bearing plate and the lower bearing plate are arranged in parallel; during the experiment, a test piece is placed on the lower bearing plate; the rotary table is rotated to drive the spiral column to rotate, the spiral column drives the upper bearing plate to move, the upper bearing plate can be rotated to a position contacting with a test piece, so that the lower bearing plate does not need to be moved upwards by too much distance, the telescopic rod can be prevented from extending upwards by too much distance, and the oil leakage problem is solved; install range sensor A in lower carrier plate one side, install in upper carrier plate one side and hinder smooth board A, it sets up directly over range sensor A to hinder smooth board A, range sensor A is connected with the singlechip in the control box, be equipped with control panel on the box, it predetermines the distance with upper carrier plate to set up down the carrier plate through control panel, the distance between two boards that range sensor A will record sends the singlechip in real time to, and show the actual distance of present lower carrier plate and upper carrier plate on control panel, when reaching the default, reach the shaping height of test piece promptly, the experiment stops. The device easy operation, it is accurate, the accurate monitoring of being convenient for down the distance of carrier plate and oil casket and the distance of lower carrier plate and last carrier plate, the height that can the accurate control shaping test piece and avoid down the carrier plate rise too high and lead to oil to flow from the gap of telescopic link and cylinder body, avoid extravagant and reduce experimental risk.
Further, surface mounting has range sensor B on the oil tank, installs in lower carrier plate one side and hinders smooth plate B, and range sensor B is connected with the singlechip, feeds back the actual distance of lower carrier plate and oil tank to the singlechip through range sensor B, and when the actual distance of lower carrier plate and oil tank reached and predetermines the safe value, the experiment stopped, and it is too big to avoid lower carrier plate upwards displacement, has stopped the problem of oil leak more effectively.
Further, still be equipped with the alarm on the box, the alarm is connected with the singlechip, and when the actual distance of lower bolster and last bolster, or the actual distance arbitrary one of lower bolster and oil tank reached the default earlier, the alarm was reported to the police, and the suggestion staff is more humanized.
Drawings
Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
fig. 2 is a schematic structural diagram of the distance measuring part of the present invention.
Wherein: 1 is the control box, 2 is for sending oil button, 3 is the oil return button, 4 is the display screen, 5 is adjustment button, 6 is for setting up the button, 7 is the connecting wire, 8 is the bottom plate, 9 is the support column, 10 is the oil tank, 11 is the telescopic link, 12 is lower carrier plate, 13 is last carrier plate, 14 is the spiral post, 15 is the carousel, 16 is range finding sensor B, 17 is light blocking plate B, 18 is range finding sensor A, 19 is light blocking plate A.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1-2, the hydraulic pressure device for molding a test piece of the present invention comprises a control box 1 and a test support, wherein the test support comprises a bottom plate 8 and a top plate which are oppositely arranged, and the bottom plate 8 and the top plate are connected through a support column 9; an oil tank 10 is arranged on the bottom plate 8, a hydraulic cylinder is arranged on the oil tank 10, and a lower bearing plate 12 for placing a test piece is connected to the upper end of a telescopic rod 11 of the hydraulic cylinder; a screw column 14 is arranged on the top plate, a rotary table 15 is arranged at the upper end of the screw column 14, an upper bearing plate 13 is arranged at the lower end of the screw column 14, and the upper bearing plate 13 and the lower bearing plate 12 are arranged in parallel; a distance measuring sensor A18 is mounted on one side of the lower carrier plate 12, a light blocking plate A19 is mounted on one side of the upper carrier plate 13, and the light blocking plate A19 is arranged right above the distance measuring sensor A18. The light emitted from the distance measuring sensor A18 is blocked by the light blocking plate A19, thereby measuring the distance between the lower plate 12 and the upper plate 13.
Through the distance of real-time measurement feedback lower bearing plate 12 and upper bearing plate 13 of range finding sensor, when the distance of lower bearing plate 12 and upper bearing plate 13 reached the default, lower bearing plate 12 can not rebound again, can the accurate control test piece shaping height.
Preferably, a distance measuring sensor B16 is installed on the upper surface of the oil tank 10, a light blocking plate B17 is installed on one side of the lower support plate 12, a light blocking plate B17 is arranged right above the distance measuring sensor B16, and the light emitted by the distance measuring sensor B16 is blocked by a light blocking plate B17, so that the distance between the lower support plate 12 and the oil tank 10 is measured; the distance measuring sensor B16 is connected with the singlechip and used for feeding back the actual distance between the lower bearing plate 12 and the oil tank 10 to the singlechip to prevent the oil from loosening and leaking due to long-time over-large use. At this time, a preset distance between the lower bearing plate 12 and the fuel tank 10 may be set on the control panel, and the current distance between the lower bearing plate 12 and the fuel tank 10 is displayed.
Preferably, the ranging sensor A18 is arranged on the upper surface of the light blocking plate B17, and the structure is simpler.
The distance measuring sensor A18 and the distance measuring sensor B16 adopt laser distance measuring sensors or infrared distance measuring sensors.
Preferably, still be equipped with the alarm on the box, the alarm is connected with the singlechip, and after the distance of predetermineeing of lower bolster 12 and oil tank 10 or lower bolster 12 and upper bolster 13 predetermine the distance and reach the default, the alarm reports to the police, reminds the staff to look over current state.
Control panel includes display screen 4 and sets up button 6, and display screen 4 with set up button 6 and be connected with the singlechip, set up button 6 and be used for setting up down preset distance, lower carrier plate 12 and the upper mounting plate 13 of carrier plate 12 and oil tank 10 and preset the distance, display screen 4 is used for showing present lower carrier plate 12 and oil tank 10 distance, lower carrier plate 12 and upper mounting plate 13 distance.
The front side of the control box 1 is provided with a display screen 4, a setting button 6 and an adjusting button 5, and the display screen 4 displays the current acting force, the displacement of a lower bearing plate 12, the distance between the lower bearing plate 12 and an oil tank 10, the distance between the lower bearing plate 12 and an upper bearing plate 13 and the test time; the setting button 6 is used for adjusting a preset acting force, presetting the distance between the lower bearing plate 12 and the oil tank 10, presetting the distance between the lower bearing plate 12 and the upper bearing plate 13 and presetting test time; the adjustment button 5 is used to adjust the experimental loading rate, i.e. the lifting rate of the lower carrier plate 12. An oil feeding button 2 and an oil return button 3 are arranged on the side surface of the control box 1, and the oil feeding button 2 is used for loading oil discharged from an oil tank 10; the return button 3 is used to return oil to the oil tank 10.
During the experiment, only need adjust and set up button 6, set for the distance of lower bolster 12 and upper carrier plate 13, close oil return button 3, press oil delivery button 2, reach and require apart from pressure device alright automatic shutdown to exert pressure to the height of this control shaping test piece, if range sensor B16 detects that the distance of lower bolster 12 and oil tank 10 surpasses the restriction, the hydraulic press can promptly stop, can not arouse serious consequence.
A single chip microcomputer, a transformer for providing a power supply and a relay for controlling the start and stop of an oil pump motor and an oil circuit electromagnetic valve are arranged in the control box 1, the output end of the single chip microcomputer is connected with the relay, and the display screen 4 is in interactive connection with a control panel of the single chip microcomputer.
The central position of the lower bearing plate 12 is provided with a pressure sensor, the output end of the pressure sensor is connected with the single chip microcomputer, the test pressure is measured, and data are obtained through the display screen 4 and are used for analyzing the test result.
The display screen 4, the pressure sensor, the keyboard board, the power indicator lamp and the relay are all connected with the single chip microcomputer; the oil feeding button 2 and the oil return button 3 are connected with a relay.
The distance measuring sensor and the pressure sensor are connected with the control box 1 through a connecting wire 7.
The utility model discloses a working process as follows:
1. before testing, the distance between the lower bearing plate 12 and the upper bearing plate 13 is set through a control panel to control the height of a molded test piece; the distance between the lower deck 12 and the fuel tank 10 is set.
2. The upper bearing plate 13 is firstly moved to the position of the surface contact of the test piece through the turntable 15, the oil sending button 2 is pressed, the upper bearing plate 13 slowly moves upwards, and the test is started.
3. The distance measuring sensor A18 continuously monitors the displacement change, and stops the test when the distance between the upper bearing plate 13 and the lower bearing plate 12 reaches the preset distance.
Claims (8)
1. The hydraulic pressure device for molding the test piece is characterized by comprising a control box (1) and a test support, wherein the test support comprises a bottom plate (8) and a top plate which are oppositely arranged, and the bottom plate (8) is connected with the top plate through a support column (9); an oil tank (10) is arranged on the bottom plate (8), a hydraulic cylinder is arranged on the oil tank (10), and a lower bearing plate (12) for placing a test piece is connected to the upper end of a telescopic rod (11) of the hydraulic cylinder;
a screw column (14) is arranged on the top plate, a rotary table (15) is arranged at the upper end of the screw column (14), an upper bearing plate (13) is arranged at the lower end of the screw column (14), and the upper bearing plate (13) and the lower bearing plate (12) are arranged in parallel;
a distance measuring sensor A (18) is arranged on one side of the lower bearing plate (12), a light blocking plate A (19) is arranged on one side of the upper bearing plate (13), and the light blocking plate A (19) is arranged right above the distance measuring sensor A (18);
control box (1) includes the box, is equipped with singlechip, singlechip in the box and is connected with range sensor A (18), is equipped with control panel on the box, and control panel is used for setting up lower carrier plate (12) and last carrier plate (13) and predetermines the distance to show the actual distance of current lower carrier plate (12) and last carrier plate (13).
2. The hydraulic pressure device for molding the test piece according to claim 1, wherein the control panel comprises a display screen (4) and a setting button (6), the display screen (4) and the setting button (6) are connected with the single chip microcomputer, the setting button (6) is used for setting a preset distance between the lower bearing plate (12) and the oil tank (10) and a preset distance between the lower bearing plate (12) and the upper bearing plate (13), and the display screen (4) is used for displaying a distance between the current lower bearing plate (12) and the oil tank (10) and a distance between the lower bearing plate (12) and the upper bearing plate (13).
3. The hydraulic pressure device for molding the test piece according to claim 1, wherein the box body is further provided with an oil feeding button (2) and an oil return button (3), the oil feeding button (2) is used for feeding oil to the hydraulic cylinder, and the oil return button (3) is used for discharging oil from the hydraulic cylinder; the oil feeding button (2) and the oil return button (3) are connected with a relay for controlling the start and stop of the electromagnetic valve, when the oil feeding button (2) is pressed down, the electromagnetic valve is electrified, and the hydraulic cylinder takes oil; when the oil return button (3) is pressed down, the electromagnetic valve is powered off, and the hydraulic cylinder returns oil.
4. The hydraulic pressure device for molding the test piece according to claim 1, wherein a distance measuring sensor B (16) is installed on the upper surface of the oil tank (10), a light blocking plate B (17) is installed on one side of the lower supporting plate (12), and the light blocking plate B (17) is arranged right above the distance measuring sensor B (16);
and the distance measuring sensor B (16) is connected with the singlechip and is used for feeding back the actual distance between the lower bearing plate (12) and the oil tank (10) to the singlechip.
5. The hydraulic pressure apparatus for molding a test piece according to claim 4, wherein the distance measuring sensor A (18) is installed on the upper surface of the light blocking plate B (17).
6. The hydraulic pressure apparatus for molding a test piece according to claim 4, wherein the distance measuring sensor A (18) and the distance measuring sensor B (16) employ a laser distance measuring sensor or an infrared distance measuring sensor.
7. The hydraulic pressure device for molding the test piece according to claim 1, wherein the box body is further provided with an alarm, and the alarm is connected with the single chip microcomputer.
8. A hydraulic pressure apparatus for molding a test piece according to claim 1, wherein a through hole is opened in the top plate, and the screw cylinder (14) is mounted in the through hole by a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022155716.2U CN213022585U (en) | 2020-09-27 | 2020-09-27 | Hydraulic pressure device for forming test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022155716.2U CN213022585U (en) | 2020-09-27 | 2020-09-27 | Hydraulic pressure device for forming test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213022585U true CN213022585U (en) | 2021-04-20 |
Family
ID=75480312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022155716.2U Expired - Fee Related CN213022585U (en) | 2020-09-27 | 2020-09-27 | Hydraulic pressure device for forming test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213022585U (en) |
-
2020
- 2020-09-27 CN CN202022155716.2U patent/CN213022585U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 Termination date: 20210927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |