CN113310624A - Parking braking force sensor calibrating device - Google Patents
Parking braking force sensor calibrating device Download PDFInfo
- Publication number
- CN113310624A CN113310624A CN202110703475.7A CN202110703475A CN113310624A CN 113310624 A CN113310624 A CN 113310624A CN 202110703475 A CN202110703475 A CN 202110703475A CN 113310624 A CN113310624 A CN 113310624A
- Authority
- CN
- China
- Prior art keywords
- sensor
- unit
- cross beam
- calibrated
- standard pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to a parking braking force sensor calibration device, which comprises a fixed unit, a standard pressure sensor assembly, a transmission unit, a moving unit, a calibration standard instrument and a push-pull dynamometer, wherein the fixed unit is fixed on the standard pressure sensor assembly; the upper end of the sensor to be calibrated is connected with the moving unit, the lower end of the sensor to be calibrated is connected with the fixing unit, the transmission unit pushes the moving unit to move upwards, the sensor to be calibrated is subjected to upward tension of the moving unit, the fixing unit simultaneously limits the sensor to be calibrated to move, at the moment, the sensor to be detected is in a tension state, the standard pressure sensor arranged below the base of the transmission unit is in a compression state, the standard pressure sensor and the sensor to be detected are simultaneously stressed, pressure is gradually loaded, and calibration work is finished by observing the difference value of the two instruments; the invention solves the technical problems that the existing parking brake force sensor has complex calibration operation process and the sensor has errors caused by temperature change and sensitivity offset, and provides more real and reliable calibration data.
Description
Technical Field
The invention relates to the field of force sensor calibration devices, in particular to a parking brake force sensor calibration device.
Background
The current society is an information-based society, people obtain, transmit and process information resources to become an essential part of social activities, and sensor technology is rapidly developed as a main way and leading-edge technology for obtaining natural information and also has very wide application in the field of automobiles.
At present, most of calibration devices for parking brake force sensors adopt a method of firstly measuring parking brake force through a sensor and then comparing the measured parking brake force with the sensor, the calibration method is complicated and labor-consuming in operation, and meanwhile, the sensor is influenced by temperature and sensitivity deviation to generate errors.
Disclosure of Invention
In view of this, the invention provides a calibration device for a parking brake force sensor, which is convenient and fast in operation process, eliminates errors caused by temperature change and sensitivity offset of the sensor, and has more real and reliable measurement data.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme:
a parking brake force sensor calibration device, comprising:
the fixing unit 1 can be stably arranged on a horizontal plane;
a standard pressure sensor assembly 2, the bottom of which is mounted on the fixing unit 1;
the bottom of the transmission unit 3 is arranged at the top of the standard pressure sensor assembly 2;
the moving unit 4 is arranged above the fixed unit 1, the bottom of the moving unit is connected with the top of the transmission unit 3, and the moving unit can move upwards under the pushing of the transmission unit 3;
a calibration standard 5 for measuring the pressure to which the standard pressure sensor assembly 2 is subjected;
the push-pull dynamometer 6 is used for measuring the tensile force borne by the sensor to be calibrated;
when the calibration device works, the upper end of the sensor to be calibrated is detachably connected with the upper part of the mobile unit 4, and the lower end of the sensor to be calibrated is detachably connected with the fixed unit 1.
Preferably, the parking brake force sensor calibration device is characterized in that the moving unit 4 is an O-shaped structure and comprises a first side 4-1, a second side 4-2, a first upper cross beam 4-3, a second upper cross beam 4-4 and a lower cross beam 4-5; the first upper cross beam 4-3 and the second upper cross beam 4-4 are symmetrically arranged on two sides of the same end of the first side edge 4-1 and the second side edge 4-2, and a gap capable of accommodating the sensor to be calibrated is reserved between the first upper cross beam 4-3 and the second upper cross beam; the first upper cross beam 4-3 and the second upper cross beam 4-4 are respectively symmetrically provided with a mobile unit sensor mounting ring 4-6 used for connecting the upper end of the sensor to be calibrated; the lower cross beam 4-5 is vertically fixed at the other end of the first side edge 4-1 and the second side edge 4-2; and a plunger connecting part 4-7 is arranged on the lower cross beam 4-5.
Preferably, the calibration device for the parking brake force sensor is characterized in that the plunger connecting part 4-7 comprises a through hole arranged on the lower cross beam 4-5 and a sleeve arranged on the upper surface of the lower cross beam 4-5, the diameter of the inner wall of the sleeve is the same as that of the through hole, and the axes of the plunger connecting part and the through hole are on the same vertical axis; the upper end surface of the sleeve is closed, and a through threaded hole is formed in the sleeve and used for being connected with the transmission unit 3 through a bolt.
Preferably, the parking braking force sensor calibration device is characterized in that the transmission unit 3 is a split hydraulic jack assembling body and comprises a cylinder barrel 3-1, a plunger 3-2 and a hydraulic pump 3-3 which are matched with each other; the upper end of the plunger 3-2 is provided with a plunger cover 3-4, the plunger cover 3-4 is provided with a threaded hole, and the plunger cover is connected with the plunger connecting part 4-7 through a bolt; and a connecting part 3-5 is arranged at the bottom of the cylinder barrel 3-1 and is used for being connected with the standard pressure sensor assembly 2.
Preferably, the parking braking force sensor calibration device is characterized in that the fixing unit 1 is a U-shaped structure and comprises a first upright post 1-1, a second upright post 1-2 and a bottom cross beam 1-3; the first upright post 1-1 and the second upright post 1-2 are vertically fixed at two ends of the bottom cross beam 1-3 to form a U-shaped structure; the upper ends of the first upright post 1-1 and the second upright post 1-2 are respectively symmetrically provided with a fixed unit sensor mounting ring 1-4 used for connecting the lower end of the sensor to be calibrated; and standard sensor mounting parts 1-5 are arranged on the bottom cross beams 1-3 of the fixing unit.
Preferably, the calibration device for the parking brake force sensor is characterized in that the standard pressure sensor assembly 2 comprises a standard pressure sensor body 2-1, a top cover 2-2 arranged at the upper end of the standard pressure sensor body 2-1 and a base 2-3 arranged at the lower end of the standard pressure sensor body 2-1, and an elastic component 2-4 is further arranged between the standard pressure sensor body 2-1 and the base 2-3; the top cover 2-2 is connected with the cylinder barrel 3-1 through the connecting part 3-5; the base 2-3 is mounted on a standard sensor mounting component 1-5.
Preferably, the parking braking force sensor calibration device is characterized by further comprising a plurality of fixed supporting devices 7, wherein each fixed supporting device 7 is a right-angle tripod and comprises a vertical rod 7-1, a cross rod 7-2 and an inclined rod 7-3; the upright rod 7-1 is hinged with the first upright column 1-1 or the second upright column 1-2; the transverse rod 7-2 is provided with an anchor bolt 7-4 for fixing with the ground; two adjacent fixed supporting devices 7 can limit relative movement through a limiting device 8.
Preferably, the parking brake force sensor calibration device is characterized in that the limiting device 8 comprises a limiting plate 8-1 and a connecting plate 8-2; the limiting plate 8-1 is an L-shaped plate; the upper end of the connecting plate 8-2 is provided with a curved surface bending part 8-3, the lower end is provided with a straight surface bending part 8-4, and the curved surface bending part 8-3 is used for being connected with the fixing unit 1 through bolts; the straight surface bending part 8-4 is fixedly connected with the vertical surface of the limiting plate 8-1.
Preferably, the parking brake force sensor calibration device is characterized in that a meter bracket 9 is further arranged on the fixing unit 1, and the meter bracket 9 is used for placing the calibration standard meter 5 and the push-pull force meter 6.
Compared with the prior art, the invention has the beneficial effects that:
1. the parking braking force sensor calibration device can calibrate and calibrate the parking braking force sensor in real time on site, so that errors of the sensor caused by temperature change and sensitivity deviation can be eliminated, and a measurement result is more real and reliable.
2. The parking braking force sensor calibration device provided by the invention can be used for measuring by converting pressure into tension, so that the problem that the existing sensor calibration device can only detect through the pressure of the sensor is solved.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of an overall assembly structure of a parking brake force sensor calibration device;
FIG. 2 is a schematic view of a fixing unit structure;
FIG. 3 is a schematic diagram of a standard pressure sensor assembly;
FIG. 4 is a partial schematic view of the transmission unit;
FIG. 5 is a schematic view of a standard pressure sensor assembly, calibration standard, and transmission unit connection;
FIG. 6 is a schematic diagram of a mobile unit architecture;
FIG. 7 is a schematic view of the connection of the mobile unit to the transmission unit;
FIG. 8 is a schematic diagram of the connection of the push-pull dynamometer to the sensor to be calibrated;
FIG. 9 is a schematic view of the fixed support structure;
FIG. 10 is a schematic view of the structure of the position limiting device;
FIG. 11 is a schematic view of the instrument holder assembled with a calibration standard instrument and a push-pull force gauge;
in the above figures: 1. the device comprises a fixed unit, 1-1 first upright column, 1-2 second upright column, 1-3 bottom cross beam, 1-4 fixed unit sensor mounting ring, 1-5 standard pressure sensor mounting part, 1-6 hinge shaft, 1-7 bracket mounting cross beam, 2 standard pressure sensor assembly, 2-1 standard pressure sensor body, 2-2 top cover, 2-3 base, 2-4 elastic part, 3 transmission unit, 3-1 cylinder, 3-2 plunger, 3-3 hydraulic pump, 3-4 plunger cover, 3-5 connecting part, 4 moving unit, 4-1 first side edge, 4-2 second side edge, 4-3 first upper cross beam, 4-4 second upper cross beam, 4-5 parts of a lower beam, 4-6 parts of a mobile unit sensor mounting ring, 4-7 parts of a plunger connecting part, 4-8 parts of a guide plate, 4-9 parts of a guide beam, 5 parts of a calibration standard instrument, 6 parts of a push-pull force meter, 7 parts of a fixed supporting device, 7-1 parts of an upright rod, 7-2 parts of a cross rod, 7-3 parts of an inclined rod, 7-4 parts of a foundation bolt, 8 parts of a limiting device, 8-1 parts of a limiting plate, 8-2 parts of a connecting plate, 8-3 parts of a curved surface bending part, 8-4 parts of a straight surface bending part, 9 parts of an instrument bracket, 10 parts of a sensor cable and 11 parts of a cross beam type plate sensor.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the present invention with reference to the accompanying drawings makes it clear that the described embodiments are a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a parking braking force sensor calibration device which is simple in structure, convenient and quick in operation process, capable of eliminating errors generated by the influence of temperature change and sensitivity deviation of a sensor, more real and reliable in measured data and capable of meeting the requirement of field calibration of a parking braking force sensor of a vehicle.
Referring to fig. 1, the parking brake force sensor calibration apparatus provided by the present invention includes: the device comprises a fixed unit 1, a standard pressure sensor assembly 2, a transmission unit 3, a moving unit 4, a calibration standard instrument 5, a push-pull force meter 6, a fixed supporting device 7, a limiting device 8 and an instrument bracket 9.
Referring to fig. 2, the fixing unit 1 is a U-shaped structure welded by channel steel, and includes a first upright 1-1, a second upright 1-2, and a bottom cross beam 1-3, where the first upright 1-1 and the second upright 1-2 are vertically fixed at two ends of the bottom cross beam 1-3 to form a U-shaped structure; the upper ends of the first upright post 1-1 and the second upright post 1-2 are respectively symmetrically provided with a fixed unit sensor mounting ring 1-4, and the lower end of the sensor to be calibrated is connected to the fixed unit 1 by a pin shaft penetrating through the fixed unit sensor mounting rings 1-4; the fixed unit bottom cross beam 1-3 can be stably installed on the horizontal ground, the upper surface is provided with a standard sensor installation part 1-5, and the standard sensor installation part 1-5 is a positioning ring;
referring to fig. 3-5, the standard pressure sensor assembly 2 includes a standard pressure sensor body 2-1, a top cover 2-2 disposed at an upper end of the standard pressure sensor body 2-1, and a base 2-3 disposed at a lower end of the standard pressure sensor body 2-1, an elastic component 2-4 is further disposed between the standard pressure sensor body 2-1 and the base 2-3, and the elastic component 2-4 is a rubber support ring; the base 2-3 is mounted in the standard sensor mounting part 1-5 positioning ring;
the transmission unit 3 adopts a split type hydraulic jack and comprises a cylinder barrel 3-1, a plunger 3-2 and a hydraulic pump 3-3 which are matched for use; the upper end of the plunger 3-2 is provided with a plunger cover 3-4 which is connected through a screw; the plunger piston cover 3-4 is provided with a threaded hole; the bottom of the cylinder barrel 3-1 is provided with an interface ring serving as a connecting part 3-5 and used for being connected with a top cover 2-2 of the standard pressure sensor assembly 2;
the calibration standard instrument 5 is connected with the standard pressure sensor assembly 2 through a sensor cable 10 and is used for measuring the pressure applied to the calibration standard instrument;
referring to fig. 6 and 7, the moving unit 4 is a square O-shaped structure formed by welding channel steel, and includes a first side 4-1, a second side 4-2, a first upper beam 4-3, a second upper beam 4-4, and a lower beam 4-5; the moving unit 4 is arranged above the fixing unit 1, the horizontal direction and the vertical direction of the moving unit are both vertical to the fixing unit 1, and the lower cross beams 4-5 are positioned in a space surrounded by a U-shaped structure body of the fixing unit 1; the first upper cross beam 4-3 and the second upper cross beam 4-4 are symmetrically arranged on two sides of the same end of the first side edge 4-1 and the second side edge 4-2, and a gap capable of accommodating the sensor to be calibrated is reserved between the first upper cross beam 4-3 and the second upper cross beam; the first upper cross beam 4-3 and the second upper cross beam 4-4 are respectively and symmetrically provided with a mobile unit sensor mounting ring 4-6, and a pin shaft penetrates through the mobile unit sensor mounting rings 4-6 to connect the upper end of the sensor to be calibrated to the mobile unit 4; the lower end of the first upper cross beam 4-3 is also provided with two guide plates 4-8, and the lower ends of the two guide plates 4-8 are provided with guide cross beams 4-9; the lower cross beam 4-5 is vertically fixed at the other end of the first side edge 4-1 and the second side edge 4-2; the lower cross beam 4-5 is provided with a plunger connecting part 4-7, the plunger connecting part 4-7 comprises a through hole and a sleeve which are arranged on the lower cross beam 4-5, the sleeve is arranged on the upper surface of the lower cross beam 4-5, the diameter of the inner wall is the same as that of the through hole, and the axes of the plunger connecting part and the through hole are on the same vertical axis; the upper end face of the sleeve is closed, a through threaded hole is formed in the sleeve, and the moving unit 4 is mounted on the transmission unit 3 through the through threaded hole and a threaded hole formed in the plunger cover 3-4 by using screws.
Referring to fig. 8, the push-pull dynamometer 6 is shown in a diagram, and is connected to the sensor to be calibrated through a sensor cable 10 for measuring the tensile force applied to the sensor;
referring to fig. 9, the fixed supporting device 7 is a right-angle tripod and comprises an upright rod 7-1, a cross rod 7-2 and an inclined rod 7-3; the upright post 7-1 is provided with a hinge shaft 7-5 which is used for being matched and connected with a hinge shaft sleeve 1-6 arranged on an upright post of the fixed unit 1, and the fixed supporting device 7 is arranged on the fixed unit 1; the transverse rod 7-2 is provided with a foundation bolt 7-4 for fixing the transverse rod with the ground, so that the fixing unit 1 is more stable in a working state; the number of the fixed supporting devices 7 is 4, and the fixed supporting devices are respectively arranged on two sides of the first upright post 1-1 and the second upright post 1-2; two adjacent fixed supporting devices 7 arranged on the same upright post limit the relative movement through a limiting device 8.
Referring to fig. 10, the limiting device 8 includes a limiting plate 8-1 and a connecting plate 8-2; the limiting plate 8-1 is an angle steel; the upper end of the connecting plate 8-2 is provided with a curved surface bending part 8-3, the lower end of the connecting plate is provided with a straight surface bending part 8-4, and the curved surface bending part 8-3 is connected with a through hole arranged at the lower end of the upright post of the fixing unit 1 through a bolt. The straight surface bending part 8-4 is fixedly connected with the vertical surface of the limiting plate 8-1.
Referring to fig. 11, the instrument bracket 9 is suspended from bracket mounting beams 1-7 provided on any one of the columns of the fixing unit 1 for placing the calibration standard instrument 5 and the push-pull force meter 6.
The working principle of the parking braking force sensor calibration device is as follows:
when the device works, a cross beam type plate ring sensor 11 is used as a sensor to be calibrated and is placed in a space surrounded by an O-shaped structural body of the mobile unit 4, a pin shaft penetrates through an upper end hole of the cross beam type plate ring sensor 11 and a mounting ring 4-6 of the mobile unit sensor, the upper end of the cross beam type plate ring sensor 11 is connected to the mobile unit 4, a pin shaft penetrates through a lower end hole of the cross beam type plate ring sensor 11 and a mounting ring 1-4 of the fixed unit sensor, and the lower end of the cross beam type plate ring sensor 11 is connected to the fixed unit 1; and (3) shaking the hydraulic pump 3-3 to enable the plunger 3-2 to rise upwards in the cylinder 3-1 so as to push the moving unit 4 to move upwards, wherein at the moment, the upper end of the cross beam type plate-ring sensor 11 is pulled upwards by the moving unit 4, the lower end of the cross beam type plate-ring sensor 11 is limited by the fixed unit 1, the cross beam type plate-ring sensor 11 is in a pulled state, the standard pressure sensor assembly 2 positioned at the bottom of the transmission unit 3 is in a pressed state, the two forces are the same, and the calibration work is finished by reading the numerical values of the calibration standard instrument 5 and the push-pull force meter 6.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A parking brake force sensor calibration device, comprising:
the fixing unit (1) can be stably installed on a horizontal plane;
a standard pressure sensor assembly body (2) with the bottom mounted on the fixed unit (1);
the bottom of the transmission unit (3) is arranged at the top of the standard pressure sensor assembly body (2) and used for providing power;
the moving unit (4) is arranged above the fixed unit (1), the bottom of the moving unit is connected with the top of the transmission unit (3), and the moving unit can move upwards under the pushing of the transmission unit (3);
a calibration standard (5) for measuring the pressure to which the standard pressure sensor assembly (2) is subjected;
the push-pull dynamometer (6) is used for measuring the tensile force borne by the sensor to be calibrated;
the upper end of the sensor to be calibrated is detachably connected with the upper part of the mobile unit (4), and the lower end of the sensor to be calibrated is detachably connected with the fixed unit (1).
2. The parking brake force sensor calibration device according to claim 1, wherein the moving unit (4) is an "O" shaped structure comprising a first side (4-1), a second side (4-2), a first upper beam (4-3), a second upper beam (4-4), a lower beam (4-5); the first upper cross beam (4-3) and the second upper cross beam (4-4) are symmetrically arranged on two sides of the same end of the first side edge (4-1) and the second side edge (4-2), a gap capable of containing the sensor to be calibrated is reserved between the first upper cross beam and the second upper cross beam, and mobile unit sensor mounting rings (4-6) are symmetrically arranged and used for being connected with the upper end of the sensor to be calibrated respectively; the lower cross beam (4-5) is vertically fixed at the other ends of the first side edge (4-1) and the second side edge (4-2), and a plunger connecting part (4-7) is arranged on the upper surface.
3. A parking brake force sensor calibration device according to claim 2, wherein the plunger connecting part (4-7) comprises a through hole provided on the lower cross member (4-5) and a sleeve provided on the upper surface of the lower cross member (4-5), the diameter of the inner wall is the same as that of the through hole, and the axes of the two are on the same vertical axis; the upper end face of the sleeve is closed, and a through threaded hole is formed in the sleeve and used for being connected with the transmission unit (3) through a bolt.
4. The parking brake force sensor calibration device according to claim 3, wherein the transmission unit (3) is a split hydraulic jack assembly comprising a cylinder (3-1) and a plunger (3-2) which are used in cooperation and a hydraulic pump (3-3); a plunger cover (3-4) is arranged at the upper end of the plunger (3-2), a threaded hole is formed in the plunger cover (3-4), and the plunger cover is connected with the plunger connecting part (4-7) through a bolt; and a connecting part (3-5) is arranged at the bottom of the cylinder barrel (3-1) and is used for being connected with the standard pressure sensor assembly body (2).
5. The parking brake force sensor calibration device according to claim 1, characterized in that the fixing unit (1) is a "U" shaped structure comprising a first upright (1-1), a second upright (1-2), a bottom cross beam (1-3); the first upright post (1-1) and the second upright post (1-2) are vertically fixed at two ends of the bottom cross beam (1-3) to form a U-shaped structure, and the upper ends of the first upright post and the second upright post are respectively and symmetrically provided with a fixed unit sensor mounting ring (1-4) for connecting the lower end of the sensor to be calibrated; and a standard sensor mounting part (1-5) is arranged on the bottom cross beam (1-3) of the fixing unit.
6. A parking brake force sensor calibration device according to claims 4 and 5, characterized in that the standard pressure sensor assembly body (2) comprises a standard pressure sensor body (2-1) and a top cover (2-2) and a base (2-3) arranged at the upper end and the lower end of the standard pressure sensor body (2-1), and an elastic component (2-4) is arranged between the standard pressure sensor body (2-1) and the base (2-3); the top cover (2-2) is connected with the cylinder barrel (3-1) through the connecting part (3-5); the base (2-3) is mounted on a standard sensor mounting component (1-5).
7. The parking brake force sensor calibration device according to claim 5, further comprising a plurality of fixed support devices (7), wherein the fixed support devices (7) are right-angled tripods, and comprise upright rods (7-1), cross rods (7-2) and inclined rods (7-3); the upright rod (7-1) is hinged with the first upright column (1-1) or the second upright column (1-2); foundation bolts (7-4) used for being fixed with the ground are arranged on the cross rods (7-2); two adjacent fixed supporting devices (7) can limit relative movement through a limiting device (8).
8. A parking brake force sensor calibration device according to claim 7, characterized in that said limit device (8) comprises a limit plate (8-1) and a connection plate (8-2); the limiting plate (8-1) is an L-shaped plate; the upper end of the connecting plate (8-2) is provided with a curved surface bending part (8-3), the lower end of the connecting plate is provided with a straight surface bending part (8-4), and the curved surface bending part (8-3) is used for being connected with the fixing unit (1) through bolts; the straight surface bending part (8-4) is fixedly connected with the vertical surface of the limiting plate (8-1).
9. A parking brake force sensor calibration arrangement according to claim 1, characterized in that a gauge bracket (9) is further arranged on the fixed unit (1), said gauge bracket (9) being used for placing the calibration standard gauge (5) and the push-pull force gauge (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110703475.7A CN113310624A (en) | 2021-06-24 | 2021-06-24 | Parking braking force sensor calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110703475.7A CN113310624A (en) | 2021-06-24 | 2021-06-24 | Parking braking force sensor calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113310624A true CN113310624A (en) | 2021-08-27 |
Family
ID=77379982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110703475.7A Pending CN113310624A (en) | 2021-06-24 | 2021-06-24 | Parking braking force sensor calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113310624A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0302385A2 (en) * | 1987-07-31 | 1989-02-08 | Peter Seitz | Device and process for calibrating force distribution sensors |
| CN103712726A (en) * | 2013-12-20 | 2014-04-09 | 长春速建新技术开发有限公司 | Outdoor parking force detection system |
| CN207231798U (en) * | 2017-09-11 | 2018-04-13 | 深圳市安车检测股份有限公司 | Performance of parking brake detector |
| CN111006813A (en) * | 2019-12-30 | 2020-04-14 | 广电计量检测（武汉）有限公司 | Portable motor vehicle braking control force meter calibrating device |
| CN212779734U (en) * | 2020-09-28 | 2021-03-23 | 北京博科测试系统股份有限公司 | Four-wheel aligner axle load calibration device |
-
2021
- 2021-06-24 CN CN202110703475.7A patent/CN113310624A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0302385A2 (en) * | 1987-07-31 | 1989-02-08 | Peter Seitz | Device and process for calibrating force distribution sensors |
| CN103712726A (en) * | 2013-12-20 | 2014-04-09 | 长春速建新技术开发有限公司 | Outdoor parking force detection system |
| CN207231798U (en) * | 2017-09-11 | 2018-04-13 | 深圳市安车检测股份有限公司 | Performance of parking brake detector |
| CN111006813A (en) * | 2019-12-30 | 2020-04-14 | 广电计量检测（武汉）有限公司 | Portable motor vehicle braking control force meter calibrating device |
| CN212779734U (en) * | 2020-09-28 | 2021-03-23 | 北京博科测试系统股份有限公司 | Four-wheel aligner axle load calibration device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110082023B (en) | Cable force real-time monitoring device and monitoring method | |
| CN102539261B (en) | Steel tube bending deformation testing system | |
| EP3671140B1 (en) | Balance scale for testing air resistance | |
| CN106840019B (en) | Sensitivity test system for borehole strain gauge | |
| CN107843206B (en) | Bridge pier curvature displacement testing device and method | |
| CN113310624A (en) | Parking braking force sensor calibrating device | |
| CN207335722U (en) | For measuring the measuring device of verticality of stand column | |
| CN111751275A (en) | Sliding push-out test device and method for bonding performance of profile steel and confined concrete | |
| CN104215526A (en) | Equi-biaxial bending in-situ loading device based on X-ray computerized tomography and using method | |
| CN210570475U (en) | Experimental device for simulating measurement of pipeline bending change | |
| CN208501656U (en) | A kind of scene loading plate method Rebound Modulus of Subgrade measurement device | |
| CN114593665B (en) | Indoor complete machine calibration device of vertical drilling strain gauge | |
| CN216132432U (en) | Be used for bridge platform back of body to backfill compaction quality detector | |
| CN114993162A (en) | Device and method for measuring circumferential strain and axial stress of grouting material | |
| CN211477030U (en) | Creep strain direct measurement device | |
| CN106767904B (en) | Calibrating device of vertical plumb line measurement system | |
| CN210005363U (en) | apparatus for measuring creep resistance of plastic film | |
| RU100255U1 (en) | STAND FOR TEST OF REINFORCED CONCRETE ELEMENTS FOR CROSS BENDING WITH STATIC LOADING | |
| CN214150390U (en) | Section steel and confined concrete bonding property push-out test device that slides | |
| CN113432578A (en) | Sustainable steel bar surface strain gauge fixing device and using method thereof | |
| CN214121080U (en) | Pull rod fixing clamp for pull rod type displacement sensor | |
| CN112198056A (en) | Test system for testing loading deformation of pipeline | |
| CN221426243U (en) | Static load bearing testing machine for strength of prestressed anchor plate | |
| CN218937999U (en) | Simple and easy compressive strength testing arrangement of structural adhesive | |
| CN220304472U (en) | Plate type rubber support deformation detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210827 |
|
| RJ01 | Rejection of invention patent application after publication |