CN216870203U - High-precision pressure measuring device - Google Patents
High-precision pressure measuring device Download PDFInfo
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- CN216870203U CN216870203U CN202220096615.9U CN202220096615U CN216870203U CN 216870203 U CN216870203 U CN 216870203U CN 202220096615 U CN202220096615 U CN 202220096615U CN 216870203 U CN216870203 U CN 216870203U
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- measuring device
- pressure measuring
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Abstract
The utility model discloses a high-precision pressure measuring device which comprises a base and an L-shaped fixing plate, wherein a mounting groove is formed in the base, a hydraulic pressure mechanism is arranged in the mounting groove, a driving motor is arranged on the top wall of the L-shaped fixing plate, a connecting plate and a driving gear are fixedly connected to the outer portion of an output shaft of the driving motor, the output end of the driving motor is rotatably connected with a top plate, a pressure sensor is arranged at one end, far away from the output end of the driving motor, of the top plate, and a distance detector assembly is arranged on the outer portion of the connecting plate. According to the utility model, when the hydraulic pressure mechanism applies pressure to the cylindrical member, the distance detector can carry out all-dimensional distance detection around the outer wall of the cylindrical member, when the distance detected by the distance detector is obviously changed, the cylindrical member is judged to be deformed, the numerical value displayed on the pressure sensor at the moment is the limit pressure borne by the deformed side surface of the cylindrical member, and the pressure measuring device can ensure the measuring precision.
Description
Technical Field
The utility model relates to the technical field of pressure measurement, in particular to a high-precision pressure measuring device.
Background
For the machine industry, it is common to refer to the testing of the compressive capacity of cylindrical components. In the process of detecting the pressure resistance of the cylindrical member, the cylindrical member needs to be placed on the platform, then a hydraulic pressure mechanism is used for applying pressure to the cylindrical member, a pressure sensor is installed on the contact surface of the hydraulic pressure mechanism and the surface of the cylindrical member, and the pressure sensor can acquire pressure data in real time.
When an existing pressure measuring device is used for carrying out pressure test on a cylindrical component, deformation of the side face of the cylindrical component can only be approximately observed by means of naked eyes, so that limit pressure when the cylindrical component is pressed and broken is approximately judged, then the maximum service pressure of the cylindrical component is judged, the accuracy of a pressure value obtained by observing deformation of the side face of the cylindrical component by means of the naked eyes is poor, and therefore the high-precision pressure measuring device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that in the prior art, the pressure value obtained by observing the deformation of the side surface of the cylindrical member by naked eyes only has poor accuracy, so that the limit pressure when the cylindrical member is pressed and broken and the maximum using pressure of the cylindrical member are approximately judged.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a high-precision pressure measuring device comprises a base and an L-shaped fixing plate fixedly connected to the outside of the base, wherein a mounting groove is formed in the base, and a hydraulic pressure mechanism is arranged in the mounting groove;
the driving motor is installed on the top wall of the L-shaped fixing plate, a connecting plate and a driving gear are fixedly connected to the outer portion of an output shaft of the driving motor, the output end of the driving motor is rotatably connected with a top plate, the top plate is far away from one end of the output end of the driving motor, a pressure sensor is installed at one end of the output end of the driving motor, and a distance detector assembly is arranged on the outer portion of the connecting plate.
The above technical solution further comprises:
the holding tank has been seted up at the top of base, the mounting groove with the holding tank is linked together.
The hydraulic pressure mechanism comprises an electro-hydraulic push rod arranged inside the mounting groove, and the output end of the electro-hydraulic push rod extends to the outside of the mounting groove and is fixedly connected with a pressure plate.
And a cylindrical component is placed on one side, far away from the output end of the electro-hydraulic push rod, of the pressure plate.
The distance detector subassembly is connected including rotating the outside driven gear A and the pivot of connecting plate, the outside fixedly connected with driven gear B of pivot, the pivot is kept away from the outside reciprocal lead screw of one end fixedly connected with of connecting plate, the outside threaded connection of reciprocal lead screw has reciprocal screw, the externally mounted of reciprocal screw has distance detector.
The driving gear is meshed with the driven gear A, and the driven gear A is meshed with the driven gear B.
The outside of pivot is rotated and is connected with connecting block A, two vertical dead levers of connecting block A's outside fixedly connected with, reciprocal screw sliding connection is two the outside of vertical dead lever.
The top of base has still seted up the arc spout, the inside sliding connection of arc spout has the connecting axle, the connecting axle is kept away from the inside one end fixedly connected with connecting block B of arc spout.
One side, far away from the connecting shaft, of the connecting block B is fixedly connected with the two vertical fixing rods, and one side, far away from the connecting shaft, of the connecting block B is rotatably connected with the reciprocating screw rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the matching use of the driving motor, the pressure sensor, the driving gear and the distance detector assembly, when the hydraulic pressure mechanism applies pressure to the cylindrical component, the distance detector can carry out all-around distance detection around the outer wall of the cylindrical component, when the distance detected by the distance detector is obviously changed, the cylindrical component is judged to be deformed, the numerical value displayed on the pressure sensor at the moment is the limit pressure born by the deformed side surface of the cylindrical component, and the pressure measuring device can ensure the measuring precision.
2. In the utility model, the arc-shaped sliding groove, the connecting shaft and the connecting block B are matched for use, so that the movement of the distance detector in the process of carrying out omnibearing distance detection around the outer wall of the cylindrical component is more stable, and the measurement precision of the pressure measurement device is further ensured.
Drawings
Fig. 1 is a schematic view of a first structure of a high-precision pressure measuring device according to the present invention;
FIG. 2 is a second structural diagram of a high-precision pressure measuring device according to the present invention;
FIG. 3 is a cross-sectional view of a base of the present invention;
fig. 4 is a schematic structural view of a distance detector assembly in the present invention.
In the figure: 1. a base; 2. an L-shaped fixing plate; 3. mounting grooves; 4. a hydraulic pressure mechanism; 41. an electro-hydraulic push rod; 42. a pressure plate; 5. a drive motor; 6. a connecting plate; 7. a drive gear; 8. a top plate; 9. a pressure sensor; 10. a distance detector assembly; 101. a driven gear A; 102. a rotating shaft; 103. a driven gear B; 104. a reciprocating screw rod; 105. reciprocating a screw; 106. a distance detector; 107. connecting a block A; 108. a vertical fixing rod; 11. accommodating a tank; 12. a cylindrical member; 13. an arc-shaped chute; 14. a connecting shaft; 15. and (7) connecting the block B.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1-4, the high-precision pressure measuring device provided by the utility model comprises a base 1 and an L-shaped fixing plate 2 fixedly connected to the outside of the base 1, wherein an installation groove 3 is formed in the base 1, and a hydraulic pressure mechanism 4 is arranged in the installation groove 3;
the top of the base 1 is provided with an accommodating groove 11, the mounting groove 3 is communicated with the accommodating groove 11, the hydraulic pressure mechanism 4 comprises an electro-hydraulic push rod 41 mounted inside the mounting groove 3, the output end of the electro-hydraulic push rod 41 is electrically connected with a central control module, the output end of the electro-hydraulic push rod 41 extends to the outside of the mounting groove 3 and is fixedly connected with a pressure plate 42, and a cylindrical member 12 is placed on one side of the pressure plate 42, which is far away from the output end of the electro-hydraulic push rod 41;
a driving motor 5 is installed on the top wall of the L-shaped fixing plate 2, the output end of the driving motor 5 is electrically connected with the central control module, a connecting plate 6 and a driving gear 7 are fixedly connected to the outside of an output shaft of the driving motor 5, the output end of the driving motor 7 is rotatably connected with a top plate 8, a pressure sensor 9 is installed at one end, far away from the output end of the driving motor 7, of the top plate 8, and a distance detector assembly 10 is arranged outside the connecting plate 6;
the distance detector assembly 10 comprises a driven gear A101 and a rotating shaft 102 which are rotatably connected to the outer portion of the connecting plate 6, the driving gear 7 is meshed with the driven gear A101, a driven gear B103 is fixedly connected to the outer portion of the rotating shaft 102, the driven gear A101 is meshed with the driven gear B103, a reciprocating screw 104 is fixedly connected to one end, far away from the outer portion of the connecting plate 6, of the rotating shaft 102, a reciprocating screw 105 is in threaded connection with the outer portion of the reciprocating screw 104, a distance detector 106 is mounted on the outer portion of the reciprocating screw 105, a connecting block A107 is rotatably connected to the outer portion of the rotating shaft 102, two vertical fixing rods 108 are fixedly connected to the outer portion of the connecting block A107, and the reciprocating screw 105 is slidably connected to the outer portions of the two vertical fixing rods 108;
through the matched use of the driving motor 5, the pressure sensor 9, the driving gear 7 and the distance detector assembly 10, the distance detector 106 can carry out omnibearing distance detection around the outer wall of the cylindrical member 12 when the hydraulic pressure mechanism 4 applies pressure to the cylindrical member 12.
In this embodiment, when the pressure measuring device is used, the cylindrical member 12 is first placed right above the pressure plate 42, then the pressure plate 42 is activated by the central control module, when the pressure plate 42 drives the cylindrical member 12 to move upward to contact with the pressure sensor 9, the driving motor 5 is activated by the central control module, the driving motor 5 drives the connecting plate 6 and the driving gear 7 to rotate, and the distance detector 106 in the distance detector assembly 10 on the connecting plate 6 rotates along the central axis of the cylindrical member 12 for distance detection;
when the distance detector 106 in the distance detector assembly 10 rotates around the central axis of the cylindrical member 12 to perform distance detection, the driven gear a101 meshed with the driving gear 7 also rotates, the driven gear B103 meshed with the driven gear a101 also drives the rotating shaft 102 and the reciprocating screw 104 to rotate, and the reciprocating screw 105 in threaded connection with the reciprocating screw 104 drives the distance detector 106 to move up and down, so that the distance detector 106 can move up and down to perform distance detection and perform all-directional distance detection while rotating around the central axis of the cylindrical member 12 to perform distance detection;
the distance detector 106 can perform all-dimensional distance detection around the outer wall of the cylindrical member 12, when the distance detected by the distance detector 106 changes significantly, the cylindrical member 12 is judged to be deformed, the numerical value displayed on the pressure sensor 9 is the limit pressure which can be borne when the side surface of the cylindrical member 12 is deformed, and the pressure measuring device can ensure the measuring precision.
Example two
As shown in fig. 1-4, based on the first embodiment, an arc-shaped sliding groove 13 is further formed in the top of the base 1, a connecting shaft 14 is slidably connected inside the arc-shaped sliding groove 13, one end of the connecting shaft 14, which is far away from the inside of the arc-shaped sliding groove 13, is fixedly connected with a connecting block B15, one side of the connecting block B15, which is far away from the connecting shaft 14, is fixedly connected with two vertical fixing rods 108, and one side of the connecting block B15, which is far away from the connecting shaft 14, is rotatably connected with a reciprocating screw rod 104;
in this embodiment, the arc-shaped sliding groove 13, the connecting shaft 14 and the connecting block B15 are used in cooperation, so that the movement of the distance detector 106 in the process of performing all-directional distance detection around the outer wall of the cylindrical member 12 is more stable, and the measurement accuracy of the pressure measurement device is further ensured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (9)
1. A high-precision pressure measuring device comprises a base (1) and an L-shaped fixing plate (2) fixedly connected to the outer portion of the base (1), and is characterized in that a mounting groove (3) is formed in the base (1), and a hydraulic pressure mechanism (4) is arranged in the mounting groove (3);
driving motor (5) are installed to the roof of L shape fixed plate (2), outside fixedly connected with connecting plate (6) and drive gear (7) of driving motor (5) output shaft, driving motor (5) output rotates and is connected with roof (8), keep away from roof (8) pressure sensor (9) are installed to the one end of driving motor (5) output, the outside of connecting plate (6) is provided with apart from detector subassembly (10).
2. A high precision pressure measuring device according to claim 1, characterized in that the top of the base (1) is provided with a receiving groove (11), and the mounting groove (3) is communicated with the receiving groove (11).
3. A high accuracy pressure measuring device according to claim 1, characterized in that the hydraulic pressure mechanism (4) comprises an electro-hydraulic push rod (41) mounted inside the mounting groove (3), the output end of the electro-hydraulic push rod (41) extending to the outside of the mounting groove (3) and fixedly connected with a pressure plate (42).
4. A high accuracy pressure measuring device according to claim 3, characterized in that the side of the pressure plate (42) away from the output end of the electro-hydraulic push rod (41) is placed with a cylindrical member (12).
5. A high-precision pressure measuring device according to claim 1, wherein the distance detector assembly (10) comprises a driven gear a (101) and a rotating shaft (102) which are rotatably connected to the outside of the connecting plate (6), a driven gear B (103) is fixedly connected to the outside of the rotating shaft (102), a reciprocating screw rod (104) is fixedly connected to one end of the rotating shaft (102) far away from the outside of the connecting plate (6), a reciprocating screw nut (105) is connected to the outside of the reciprocating screw rod (104) in a threaded manner, and a distance detector (106) is installed on the outside of the reciprocating screw nut (105).
6. A high accuracy pressure measuring device according to claim 5, characterized in that the driving gear (7) is meshed with the driven gear A (101), and the driven gear A (101) is meshed with the driven gear B (103).
7. A high-precision pressure measuring device as claimed in claim 5, wherein the rotating shaft (102) is connected with a connecting block A (107) in a rotating manner on the outer portion, two vertical fixing rods (108) are fixedly connected with the outer portion of the connecting block A (107), and the reciprocating screw nut (105) is connected with the outer portions of the two vertical fixing rods (108) in a sliding manner.
8. The high-precision pressure measuring device according to claim 7, wherein an arc-shaped sliding groove (13) is further formed in the top of the base (1), a connecting shaft (14) is slidably connected inside the arc-shaped sliding groove (13), and a connecting block B (15) is fixedly connected to one end, far away from the inside of the arc-shaped sliding groove (13), of the connecting shaft (14).
9. A high precision pressure measuring device as claimed in claim 8, characterized in that the side of the connecting block B (15) away from the connecting shaft (14) is fixedly connected with two vertical fixing rods (108), and the side of the connecting block B (15) away from the connecting shaft (14) is rotatably connected with the reciprocating screw rod (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220096615.9U CN216870203U (en) | 2022-01-14 | 2022-01-14 | High-precision pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220096615.9U CN216870203U (en) | 2022-01-14 | 2022-01-14 | High-precision pressure measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216870203U true CN216870203U (en) | 2022-07-01 |
Family
ID=82150489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220096615.9U Active CN216870203U (en) | 2022-01-14 | 2022-01-14 | High-precision pressure measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216870203U (en) |
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2022
- 2022-01-14 CN CN202220096615.9U patent/CN216870203U/en active Active
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