CN210487063U - Superimposed force standard machine - Google Patents
Superimposed force standard machine Download PDFInfo
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- CN210487063U CN210487063U CN201920842995.4U CN201920842995U CN210487063U CN 210487063 U CN210487063 U CN 210487063U CN 201920842995 U CN201920842995 U CN 201920842995U CN 210487063 U CN210487063 U CN 210487063U
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Abstract
The utility model discloses a stacked force standard machine, which comprises a frame, wherein the frame comprises a base, a stand column, a top beam, a pressure testing area, a tension testing area, a testing mechanism and a power mechanism; one end of the upright post is connected with the base, and the other end of the upright post is connected with the top beam; the pressure testing area is positioned above the testing mechanism, and the tension testing area is positioned below the testing mechanism; the testing mechanism is connected with the power mechanism. The superposition type force standard machine compares the data detected by the pressure test area and the tension test area with the deformation data of the sensor to be tested, and performs curve fitting, thereby obtaining the tension or pressure relational expression of the sensor to be tested. The utility model discloses a device, simple structure, pressure and the pulling force that can simultaneous test sensor, convenient and practical.
Description
Technical Field
The utility model relates to a force measurement field specifically relates to the utility model relates to a force measurement field relates to a draw stack formula force standard machine of pressing two-way test.
Background
In the prior art, an elastic body elastically deforms under the action of an external force, so that a resistance strain gauge (a conversion element) adhered to the surface of the elastic body also deforms, the resistance value of the resistance strain gauge changes (increases or decreases) after the resistance strain gauge deforms, and the resistance change is converted into an electric signal (voltage or current) through a corresponding measuring circuit, so that the process of converting the external force into the electric signal is completed. The S-type weighing sensor is the most common sensor in sensors, and the deformation of the elastic body is converted into a digital signal by adopting the principle. The S-shaped weighing sensor is mainly used for measuring the tension and pressure between solids, is also generally called as a tension-pressure sensor by people, is habitually called as an S-shaped weighing sensor because of the S-shaped appearance, is made of alloy steel, is subjected to glue sealing protection treatment, is easy to install and convenient to use, and is suitable for electronic force-measuring weighing systems such as hanging scales, batching scales, mechanical-modification scales and the like. The S-type load cell must be tested before it can be put into use to make it more accurate in use. The existing testing force standard machine can only test the pressure or the tensile force of the sensor, and has single testing function and general measuring accuracy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a high accuracy, multi-functional stack formula force standard machine.
The technical scheme of the utility model is that: a stacked force standard machine comprises a rack, wherein the rack comprises a base, an upright post, a top beam, a pressure testing area, a tension testing area, a testing mechanism and a power mechanism; one end of the upright post is connected with the base, and the other end of the upright post is connected with the top beam; the pressure testing area is positioned above the testing mechanism, and the tension testing area is positioned below the testing mechanism; the testing mechanism is connected with the power mechanism;
the power mechanism comprises a cross beam and a hydraulic cylinder; the cross beam is connected with the testing mechanism, and the hydraulic cylinder is arranged on the inner side of the upright post; the hydraulic cylinder can drive the cross beam to reciprocate along the direction of the upright post;
the pressure test area comprises an upper disc body and a lower disc body; the upper tray body is connected with the top beam, the lower tray body is connected with the testing mechanism, and the upper tray body and the lower tray body are arranged oppositely;
the testing mechanism comprises a support and three sensors to be tested, which are connected with each other, and the support is connected with the cross beam;
the bracket comprises an upper connecting plate and a lower connecting plate, the upper connecting plate is connected with the lower connecting plate through a connecting rod, and the three sensors to be measured penetrate through the upper connecting plate through a connecting shaft to be fixedly connected with the lower disc body and are in contact with the cross beam; the three sensors to be measured are distributed in a triangular shape at the bottom of the lower connecting plate.
Preferably, the tensile test area comprises an upper firmware and a lower firmware, the upper firmware is connected with the lower connecting plate, and the lower firmware is connected with the base; the upper firmware and the lower firmware are arranged oppositely.
Preferably, a threaded hole is formed in the center of the bottom of the lower connecting plate, and the upper fixing piece is in threaded connection with the lower connecting plate; the center of the base is provided with a threaded hole, and the lower fixing piece is in threaded connection with the base.
Preferably, the bottoms of the lower connecting plates and the threaded holes in the base are respectively provided with a cushion block.
Preferably, an embedded groove is formed outside the threaded hole in the lower connecting plate, the upper fixing piece is a bolt, and the bottom of the bolt head is matched with the embedded groove. The structure is convenient for the upper fixing piece to be embedded into the lower connecting plate for positioning.
Preferably, the system further comprises a secondary instrument, and the secondary instrument is connected with the sensor to be measured in data.
Preferably, the bottom of the base is provided with a foot support.
Preferably, the test device further comprises a control terminal, and the control terminal is connected with the test mechanism and the power mechanism.
Preferably, the control terminal is a notebook, a desktop computer or a PAD.
Compared with the prior art, the beneficial effects of the utility model are that: 1. the superposed force standard machine comprises a rack, wherein the rack comprises a base, an upright post, a top beam, a pressure test area, a tension test area, a test mechanism and a power mechanism; one end of the upright post is connected with the base, and the other end of the upright post is connected with the top beam; the pressure testing area is positioned above the testing mechanism, and the tension testing area is positioned below the testing mechanism; the testing mechanism is connected with the power mechanism. The superposition type force standard machine compares the data detected by the pressure test area and the tension test area with the deformation data of the sensor to be tested, and performs curve fitting, thereby obtaining the tension or pressure relational expression of the sensor to be tested. The utility model discloses a device, simple structure, pressure and the pulling force that can simultaneous test sensor, convenient and practical. 2. The frame of four stand forms and the setting of a plurality of sensor that awaits measuring have all improved the stability of this machine, have improved the precision that detects simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of distribution of the sensors to be measured in the present invention.
Fig. 3 is a connection diagram of the sensor to be measured in the present invention.
Fig. 4 is a schematic structural diagram of the sensor to be measured in the present invention.
Fig. 5 is a schematic structural diagram of the middle and lower connecting plate of the present invention.
Fig. 6 is a schematic diagram of an upper firmware of the present invention.
Fig. 7 is a cross-sectional view taken along the line a-a in fig. 5.
In the figure: 1-a frame; 2-a pressure test zone; 2.1-upper plate body; 2.2-lower plate body; 3-a tensile test zone; 3.1-firmware-on; 3.2-lower firmware; 3.3-cushion block; 3.4-threaded hole; 3.5-caulking groove; 4-a testing mechanism; 41-a bracket; 42-a sensor to be tested; 42.1-connecting shaft; 41.1-upper connecting plate; 41.2-lower connecting plate; 41.3-connecting rod; 5-a power mechanism; 51-a cross beam; 52-hydraulic cylinder; 6-secondary instrument; 7-control the terminal; 11-a base; 11.1-foot support; 12-a column; 13-top beam;
Detailed Description
The invention will be further explained by means of the following description and the attached drawings.
In this embodiment: referring to fig. 1-7, the utility model provides a stacked force standard machine, which comprises a frame 1, wherein the frame comprises a base 11, a column 12, a top beam 13, a pressure testing area 2, a tension testing area 3, a testing mechanism 4 and a power mechanism 5; one end of the upright post is connected with the base, and the other end of the upright post is connected with the top beam; the pressure testing area is positioned above the testing mechanism, and the tension testing area is positioned below the testing mechanism; the testing mechanism is connected with the power mechanism; the power mechanism comprises a cross beam 51 and a hydraulic cylinder 52; the cross beam is connected with the testing mechanism, and the hydraulic cylinder is arranged on the inner side of the upright post; the hydraulic cylinder can drive the cross beam to reciprocate along the direction of the upright post; the pressure test area comprises an upper disc body 2.1 and a lower disc body 2.2; the upper tray body is connected with the top beam, the lower tray body is connected with the testing mechanism, the upper tray body and the lower tray body are arranged oppositely, the testing mechanism comprises a support 41 and three sensors to be tested 42 which are connected with each other, and the support is connected with the cross beam; the bracket comprises an upper connecting plate 41.1 and a lower connecting plate 41.2, the upper connecting plate and the lower connecting plate are connected through a connecting rod 41.3, and the three sensors to be tested penetrate through the upper connecting plate through a connecting shaft 42.1 to be fixedly connected with the lower disc body and are in contact with the cross beam; the three sensors to be measured are distributed in a triangular shape at the bottom of the lower connecting plate. The tensile force testing area comprises an upper firmware 3.1 and a lower firmware 3.2, the upper firmware is connected with the lower connecting plate, and the lower firmware is connected with the base; the upper firmware and the lower firmware are arranged oppositely. A threaded hole 3.4 is formed in the center of the bottom of the lower connecting plate, and the upper fixing piece is in threaded connection with the lower connecting plate; the center of the base is provided with a threaded hole, and the lower fixing piece is in threaded connection with the base. Cushion blocks 3.3 are respectively arranged at the bottom of the lower connecting plate and outside the threaded holes on the base. The threaded hole on the lower connecting plate is externally provided with an embedded groove 3.5, the upper fixing part is a bolt, and the bottom of the bolt head is matched with the embedded groove. The superposition type force standard machine also comprises a secondary instrument 6, wherein the secondary instrument is connected with the sensor to be measured in a data mode. The bottom of the base is provided with a foot support 11.1. The superposition type force standard machine also comprises a control terminal 7, and the control terminal is connected with the testing mechanism and the power mechanism.
The working principle of the embodiment is as follows: the testing area is arranged in a space defined by the base, the upright post and the top beam, a pressure testing area is formed between the top beam and the testing mechanism, and a product is placed for testing the pressure of the sensor to be tested; a tension test area is formed between the base and the test mechanism, a product is placed to test the tension of the sensor to be tested, data detected by the test mechanism are compared with deformation data of the sensor to be tested, curve fitting is carried out, and therefore the tension or pressure relation of the sensor to be tested is obtained. The utility model discloses a device, simple structure, pressure and the pulling force that can simultaneous test sensor, convenient and practical.
The above description is only the specific embodiments of the present invention, but the structural features of the present invention are not limited thereto, the present invention can be used in similar products, and any person skilled in the art is in the field of the present invention, and all the changes or modifications made are covered by the claims of the present invention.
Claims (5)
1. A stacked force standard machine comprises a rack (1), and is characterized in that the rack (1) comprises a base (11), an upright post (12), a top beam (13), a pressure test area (2), a tension test area (3), a test mechanism (4) and a power mechanism (5); one end of the upright post (12) is connected with the base (11), and the other end of the upright post (12) is connected with the top beam (13); the pressure testing area (2) is positioned above the testing mechanism (4), and the tension testing area (3) is positioned below the testing mechanism (4); the testing mechanism (4) is connected with the power mechanism (5);
the power mechanism (5) comprises a cross beam (51) and a hydraulic cylinder (52); the cross beam (51) is connected with the testing mechanism (4), and the hydraulic cylinder (52) is arranged on the inner side of the upright post (12); the hydraulic cylinder (52) can drive the cross beam (51) to reciprocate along the direction of the upright post (12);
the pressure test area (2) comprises an upper disc body (2.1) and a lower disc body (2.2); the upper tray body (2.1) is connected with the top beam (13), the lower tray body (2.2) is connected with the testing mechanism (4), and the upper tray body (2.1) and the lower tray body (2.2) are oppositely arranged;
the testing mechanism (4) comprises a support (41) and three sensors to be tested (42) which are connected with each other, and the support (41) is connected with the cross beam (51);
the bracket (41) comprises an upper connecting plate (41.1) and a lower connecting plate (41.2), the upper connecting plate (41.1) and the lower connecting plate (41.2) are connected through a connecting rod (41.3), and three sensors to be detected (42) penetrate through the upper connecting plate (41.1) through a connecting shaft (42.1) to be fixedly connected with the lower disc body (2.2) and are in contact with the cross beam (51); the three sensors (42) to be measured are distributed in a triangular shape at the bottom of the lower connecting plate (41.2);
the tension testing area (3) comprises an upper firmware (3.1) and a lower firmware (3.2), the upper firmware (3.1) is connected with the lower connecting plate (41.2), and the lower firmware (3.2) is connected with the base (11); the upper firmware (3.1) and the lower firmware (3.2) are arranged oppositely; a threaded hole (3.4) is formed in the center of the bottom of the lower connecting plate (41.2), and the upper fixing piece (3.1) is in threaded connection with the lower connecting plate (41.2); a threaded hole is formed in the center of the base (11), and the lower fixing piece (3.2) is in threaded connection with the base (11); cushion blocks (3.3) are respectively arranged at the bottom of the lower connecting plate (41.2) and outside the threaded holes on the base (11); the threaded hole (3.4) on the lower connecting plate (41.2) is externally provided with an embedded groove (3.5), the upper fixing piece (3.1) is a bolt, and the bottom of the bolt head is matched with the embedded groove (3.5).
2. A stack force gauge machine according to claim 1, further comprising a secondary meter (8), the secondary meter (8) being in data communication with the sensor (42) to be measured.
3. A machine according to claim 1, characterised in that the base (11) is provided with a foot support (11.1) at the bottom.
4. A machine according to claim 1, characterised by a control terminal (9), wherein the control terminal (9) is connected to the testing mechanism (4) and the power mechanism (5).
5. A machine according to claim 4, wherein the control terminal (9) is a laptop, desktop or PAD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920842995.4U CN210487063U (en) | 2019-06-05 | 2019-06-05 | Superimposed force standard machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920842995.4U CN210487063U (en) | 2019-06-05 | 2019-06-05 | Superimposed force standard machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210487063U true CN210487063U (en) | 2020-05-08 |
Family
ID=70512927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920842995.4U Active CN210487063U (en) | 2019-06-05 | 2019-06-05 | Superimposed force standard machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210487063U (en) |
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2019
- 2019-06-05 CN CN201920842995.4U patent/CN210487063U/en active Active
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