CN110553790B - Instant stress testing device of force sensor - Google Patents

Instant stress testing device of force sensor Download PDF

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Publication number
CN110553790B
CN110553790B CN201910885232.2A CN201910885232A CN110553790B CN 110553790 B CN110553790 B CN 110553790B CN 201910885232 A CN201910885232 A CN 201910885232A CN 110553790 B CN110553790 B CN 110553790B
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fixed
force sensor
testing
sliding
circular baffle
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CN110553790A (en
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赵浩
冯浩
丁立军
李洪武
徐杨
聂曼
马如远
沈丽尧
周丽
王成贤
王挺
陈晟
许聚武
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Jiaxing University
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Jiaxing University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L25/00Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

The invention discloses an instant stress testing device of a force sensor, which comprises a testing base and a top plate fixed on the testing base, wherein a sliding plate is installed on the right side of the top plate, a vertical upright post is fixed in the middle of the top plate, a gravity ball matched with the inner wall of the L-shaped tubular structure is arranged in the L-shaped tubular structure, a lifting mechanism is hinged to the outer wall of a vertical tube, and the other end of the lifting mechanism is hinged to the left side of the top plate; the top of the sliding plate is provided with a sliding groove along the length direction of the sliding plate, a spring part is fixed on the left side of the inner wall of the sliding groove, the other end of the spring part is fixed on the left side wall of a sliding block arranged in the sliding groove, the top of the sliding block is fixedly matched with a damping column, a force sensor is fixed at the upper end of the damping column, a pull rope is fixed on the left side wall of the force sensor, and the other end of the pull rope is fixed on the left side of the bottom surface of the. The invention has reasonable structure and ingenious design, can greatly improve the detection efficiency and is suitable for popularization and use.

Description

Instant stress testing device of force sensor
Technical Field
The invention relates to the technical field of instant stress test of force sensors, in particular to an instant stress test device of a force sensor.
Background
A force sensor converts the magnitude of the force into an associated electrical signal. Forces are the direct cause of the change in motion of the material. The force sensor can detect mechanical quantities such as tension, pressure, weight, torque, internal stress and strain. The specific devices comprise metal strain gauges, pressure sensors and the like, and become indispensable core components in power equipment, engineering machinery, various machine tools and industrial automation systems.
In the production and manufacturing process of the force sensor, the force sensor needs to be detected, one detection item is to carry out instant stress detection on the force sensor, the existing force sensor instant stress detection device needs a worker to send the force sensor into or take the force sensor out of the detection device by hand when in use, and then the falling steel ball is knocked on the force sensor, so that the mode is not only low in efficiency, but also can injure the hand of the worker.
Through retrieval, the patent application number CN201811149755.2 provides an instant stress testing device of a force sensor, which comprises an upright post, wherein a rotating sleeve is rotatably connected on the upright post, two symmetrical supporting plates are fixedly connected on the side wall of the rotating sleeve, and a hydraulic cylinder is fixedly connected at the lower end of each supporting plate; the center of the supporting plate is provided with a sliding hole, the upper plane of the supporting plate far away from the end of the upright post is provided with a sliding groove, and the sliding groove is communicated with the sliding hole; a Z-shaped push plate is connected in the sliding hole in a sliding manner, a fixed plate is connected in the sliding groove in a sliding manner, a limit groove for fixing the force sensor is formed in the upper end of the fixed plate, and the push plate is fixedly connected with the fixed plate; the upper end of the upright post is fixedly connected with a ball dropping pipe, and the upper end of the ball dropping pipe is fixedly connected with a funnel communicated with the ball dropping pipe; the ball outlet end of the ball falling pipe is aligned with the rack. The force sensor can be sent to the position right below the ball outlet end of the ball falling pipe through the mutual matching of the hydraulic cylinder, the push plate, the fixed plate, the sliding hole and the sliding groove; when the force sensor is detected again, a worker can fix the force sensor on the fixing plate on the other supporting plate at the same time and rotate through the rotating sleeve, so that the worker is far away from the detection position, and the detection efficiency is improved.
The prior art can not continuously detect the instant stress of the force sensor, only one force sensor can be used for detection, the detection efficiency is not high, the detection is not suitable for detection on a production line, the height can not be intelligently adjusted, and the position of the force sensor needs to be changed in real time because the horizontal direction distance of the horizontal parabola of the gravity ball is changed after the height is adjusted.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the problems that in the prior art, the instant stress of a force sensor cannot be continuously detected, only one force sensor can be used for detecting, the detection efficiency is not high, the detection is not suitable for on-line detection, the height cannot be intelligently adjusted, and the position of the force sensor needs to be changed in real time because the horizontal direction distance of a horizontal parabola of a gravity ball changes after the height is adjusted.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme: an instant stress testing device of a force sensor comprises a testing base and a top plate fixed on the testing base, wherein a sliding plate is installed on the right side of the top plate, a vertical upright post is fixed in the middle of the top plate, the upper end of the upright post is hinged with a transverse tube rotating around a horizontal shaft, the left end of the transverse tube is connected with a vertical tube, the transverse tube and the vertical tube form an L-shaped tubular structure, a gravity ball matched with the inner wall of the L-shaped tubular structure is arranged in the L-shaped tubular structure, a lifting mechanism is hinged on the outer wall of the vertical tube, and the other end of the lifting mechanism is hinged;
the top of the sliding plate is provided with a sliding groove along the length direction of the sliding plate, the left side of the inner wall of the sliding groove is fixedly provided with a spring part, the other end of the spring part is fixed on the left side wall of a sliding block arranged in the sliding groove, the top of the sliding block is fixedly matched with a damping column, the upper end of the damping column is fixedly provided with a force sensor, the left side wall of the force sensor is fixedly provided with a pull rope, and the other end of the pull rope is fixed on the left side of the bottom;
the utility model discloses a horizontal pipe, including violently managing, including horizontal pipe, first circular baffle, second circular baffle, first circular baffle is located the right-hand member face of violently managing, and the right side output shaft fixed coordination of horizontal pipe has first circular baffle, the left side output shaft fixed coordination of double-shaft motor has the second circular baffle, and wherein, first circular baffle is located the right-hand member face of violently managing, the surface circumference of first circular baffle is equidistant to be provided with a plurality of round holes, the lower extreme of second circular baffle extends to the inside of violently managing, the surface circumference of second circular baffle is equidistant to be provided.
Preferably, the top of roof still is provided with fixed pulley mechanism, fixed pulley mechanism includes the mount pad, the running fit has the fixed pulley on the mount pad, the stay cord passes from the bottom surface of fixed pulley, and is located the stay cord on fixed pulley right side and is the horizontality.
Preferably, the number of the circular holes is three, the number of the arc-shaped opening parts is three, and the positions of the circular holes and the positions of the arc-shaped opening parts are arranged in a staggered manner.
Preferably, the inner diameter of the circular hole is larger than the diameter of the gravity ball, and the inner diameter of the arc opening part is also larger than the diameter of the gravity ball.
Preferably, the shock attenuation post includes cavity post, solid post and damping spring, the interior bottom of cavity post is provided with vertical damping spring, damping spring's upper end is fixed with solid post, the lower extreme of solid post extends to the inside of cavity post.
Preferably, the lifting mechanism adopts one of a push rod motor, a telescopic cylinder or a telescopic oil cylinder.
Preferably, the bottom of test base is provided with the mounting groove, the inside of mounting groove has two-way lead screw along its length direction normal running fit, and the one end activity of two-way lead screw extends to the outside of test base and is fixed with the handle, the equal screw drive in both sides of two-way lead screw cooperates there is the lead screw cover, the bottom of lead screw cover articulates there is the connecting rod, and the lower extreme of two connecting rods all articulates in the top surface of diaphragm.
Preferably, the top of the screw rod sleeve is fixed with a limiting rod, the inner top wall of the mounting groove is fixed with a sliding rail arranged along the length direction of the mounting groove, and the upper end of the limiting rod is arranged on the sliding rail in a sliding manner.
(III) advantageous effects
Compared with the prior art, the invention provides an instant stress testing device of a force sensor, which has the following beneficial effects:
1. the lifting mechanism is hinged to the outer wall of the vertical pipe, the other end of the lifting mechanism is hinged to the left side of the top plate, and one end of the horizontal pipe can be driven to rise or fall through the operation of the lifting mechanism, so that the falling height of the gravity ball is realized;
2. the other end of the spring part is fixed on the left side wall of the sliding block arranged in the sliding groove, the top of the sliding block is fixedly matched with a damping column, a force sensor is fixed at the upper end of the damping column, a pull rope is fixed on the left side wall of the force sensor, the other end of the pull rope is fixed on the left side of the bottom surface of the transverse pipe, the damping column can play a damping effect, the force sensor is prevented from being damaged due to the impact of a gravity ball on the force sensor, the force sensor can be protected, through the ingenious design of the pull rope, when the lifting mechanism operates to drive the vertical pipe to move upwards, the right end of the transverse pipe descends, the pull rope drives the force sensor to move leftwards, the horizontal distance of the gravity ball falling is reduced at the moment;
3. a double-shaft motor is installed on the right side of the top of the transverse pipe, a first circular baffle is fixedly matched with a right output shaft of the double-shaft motor, a second circular baffle is fixedly matched with a left output shaft of the double-shaft motor, when an arc opening part of the second circular baffle is not aligned with a gravity ball, the gravity ball cannot pass through the second circular baffle, after the second circular baffle rotates, the gravity ball passes through the second circular baffle and cannot directly pass through the first circular baffle, when the first circular baffle rotates one position, the gravity ball can just pass through, and the second circular baffle just blocks the next gravity ball, so that ordered and one-by-one detection is realized;
and the part not involved in the device is the same as the prior art or can be realized by adopting the prior art, the invention has reasonable structure and ingenious design, can greatly improve the detection efficiency and is suitable for popularization and use.
Drawings
Fig. 1 is a schematic structural diagram of an instant force testing device of a force sensor according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a left side view of the first circular baffle of FIG. 1;
fig. 4 is a left side view of the second circular baffle of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, an instant stress testing device of a force sensor comprises a testing base 1 and a top plate 2 fixed on the testing base 1, wherein a sliding plate 15 is installed on the right side of the top plate 2, a vertical upright post 11 is fixed in the middle of the top plate 2, a horizontal tube 5 rotating around a horizontal shaft is hinged to the upper end of the upright post 11, a vertical tube 6 is connected to the left end of the horizontal tube 5, the horizontal tube 5 and the vertical tube 6 form an L-shaped tubular structure, a gravity ball 7 matched with the inner wall of the L-shaped tubular structure is arranged in the L-shaped tubular structure, a lifting mechanism 4 is hinged to the outer wall of the vertical tube 6, and;
a sliding groove 27 is formed in the top of the sliding plate 15 along the length direction of the sliding plate, a spring piece 26 is fixed on the left side of the inner wall of the sliding groove 27, the other end of the spring piece 26 is fixed on the left side wall of a sliding block 16 arranged in the sliding groove 27, a shock absorption column 28 is fixedly matched with the top of the sliding block 16, a force sensor 17 is fixed at the upper end of the shock absorption column 28, a pull rope 14 is fixed on the left side wall of the force sensor 17, and the other end of the pull rope 14 is fixed on the;
violently install double-shaft motor 8 on the top right side of pipe 5, double-shaft motor 8's right side output shaft fixed coordination has first circular baffle 10, double-shaft motor 8's left side output shaft fixed coordination has second circular baffle 9, wherein, first circular baffle 10 is located violently manages 5 right-hand member face, the surface circumference of first circular baffle 10 is equidistant to be provided with a plurality of round holes 1001, the lower extreme of second circular baffle 9 extends to violently manages 5 inside, the surface circumference of second circular baffle 9 is equidistant to be provided with a plurality of arc opening portion 901.
In the invention, the top of the top plate 2 is also provided with a fixed pulley mechanism, the fixed pulley mechanism comprises an installation seat 12, a fixed pulley 13 is rotatably matched on the installation seat 12, a pull rope 14 penetrates through the bottom surface of the fixed pulley 13, and the pull rope 14 positioned on the right side of the fixed pulley 13 is in a horizontal state.
In the invention, the number of the circular holes 1001 is three, the number of the arc-shaped opening parts 901 is three, and the positions of the circular holes 1001 and the arc-shaped opening parts 901 are arranged in a staggered manner; install double-shaft motor 8 through violently pipe 5's top right side, double-shaft motor 8's right side output shaft fixed coordination has first circular baffle 10, double-shaft motor 8's left side output shaft fixed coordination has second circular baffle 9, the arc opening portion 901 of second circular baffle 9 is not when aligning gravity ball 7, gravity ball 7 can not pass through second circular baffle 9, after second circular baffle 9 rotates, gravity ball 7 passes through second circular baffle 9, and can not directly be through first circular baffle 10, rotate a position again when first circular baffle 10, just gravity ball 7 can pass through, and second circular baffle 9 just blocks next gravity ball 7, thereby realize in order and a detection.
In the present invention, the inner diameter of the circular hole 1001 is larger than the diameter of the gravity ball 7, and the inner diameter of the arc opening 901 is also larger than the diameter of the gravity ball 7.
In the present invention, the damping column 28 includes a hollow column, a solid column and a damping spring, the damping spring is vertically disposed at the inner bottom of the hollow column, the solid column is fixed at the upper end of the damping spring, and the lower end of the solid column extends into the hollow column.
In the invention, the lifting mechanism 4 adopts one of a push rod motor, a telescopic cylinder or a telescopic oil cylinder.
In the invention, the bottom of a testing base 1 is provided with a mounting groove 3, a bidirectional screw rod 18 is rotatably matched in the mounting groove 3 along the length direction, one end of the bidirectional screw rod 18 movably extends to the outside of the testing base 1 and is fixed with a handle 25, two sides of the bidirectional screw rod 18 are spirally matched with screw rod sleeves 20 in a transmission manner, the bottom of each screw rod sleeve 20 is hinged with a connecting rod 19, and the lower ends of the two connecting rods 19 are hinged to the top surface of a transverse plate 22.
In the invention, a limiting rod 23 is fixed at the top of the screw rod sleeve 20, a slide rail 21 arranged along the length direction of the mounting groove 3 is fixed on the inner top wall of the mounting groove, and the upper ends of the limiting rods 23 are arranged on the slide rail 21 in a sliding manner.
When the lifting device is used, the upper end of the upright post 11 is hinged with the transverse pipe 5 which rotates around the horizontal shaft, the left end of the transverse pipe 5 is connected with the vertical pipe 6, the transverse pipe 5 and the vertical pipe 6 form an L-shaped tubular structure, the L-shaped tubular structure is internally provided with the gravity ball 7 which is matched with the inner wall of the L-shaped tubular structure, the outer wall of the vertical pipe 6 is hinged with the lifting mechanism 4, the other end of the lifting mechanism 4 is hinged to the left side of the top plate 2, and one end of the transverse pipe 5 can be driven to rise or fall through the operation of the lifting mechanism 4, so;
the other end of the spring element 26 is fixed on the left side wall of the sliding block 16 arranged in the sliding groove 27, the top of the sliding block 16 is fixedly matched with a shock absorption column 28, the upper end of the shock absorption column 28 is fixedly provided with the force sensor 17, the left side wall of the force sensor 17 is fixedly provided with the pull rope 14, the other end of the pull rope 14 is fixed on the left side of the bottom surface of the transverse pipe 5, the shock absorption effect can be achieved due to the arrangement of the shock absorption column 28, the force sensor 17 is prevented from being damaged due to the impact of the gravity ball 7 on the force sensor, the force sensor can be protected, the right end of the transverse pipe 5 descends when the lifting mechanism 4 runs to drive the vertical pipe 4 to move upwards, the pull rope drives the force sensor 17 to move leftwards, the horizontal distance of the gravity ball 7 to fall is reduced at the moment;
install double-shaft motor 8 through violently pipe 5's top right side, double-shaft motor 8's right side output shaft fixed coordination has first circular baffle 10, double-shaft motor 8's left side output shaft fixed coordination has second circular baffle 9, the arc opening portion 901 of second circular baffle 9 is not when aligning gravity ball 7, gravity ball 7 can not pass through second circular baffle 9, after second circular baffle 9 rotates, gravity ball 7 passes through second circular baffle 9, and can not directly be through first circular baffle 10, rotate a position again when first circular baffle 10, just gravity ball 7 can pass through, and second circular baffle 9 just blocks next gravity ball 7, thereby realize in order and a detection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The device for testing the instant stress of the force sensor comprises a testing base (1) and a top plate (2) fixed on the testing base (1), and is characterized in that a sliding plate (15) is installed on the right side of the top plate (2), a vertical upright post (11) is fixed in the middle of the top plate (2), a transverse pipe (5) rotating around a horizontal shaft is hinged to the upper end of the upright post (11), a vertical pipe (6) is connected to the left end of the transverse pipe (5), the transverse pipe (5) and the vertical pipe (6) form an L-shaped tubular structure, a gravity ball (7) matched with the inner wall of the L-shaped tubular structure is arranged in the L-shaped tubular structure, a lifting mechanism (4) is hinged to the outer wall of the vertical pipe (6), and the other end of the lifting mechanism (4) is hinged;
the top of the sliding plate (15) is provided with a sliding groove (27) along the length direction, the left side of the inner wall of the sliding groove (27) is fixed with a spring piece (26), the other end of the spring piece (26) is fixed on the left side wall of a sliding block (16) arranged in the sliding groove (27), the top of the sliding block (16) is fixedly matched with a shock absorption column (28), the upper end of the shock absorption column (28) is fixed with a force sensor (17), the left side wall of the force sensor (17) is fixed with a pull rope (14), and the other end of the pull rope (14) is fixed on the left side of the bottom surface of the transverse pipe (5);
the utility model discloses a cross tube structure, including violently managing (5), violently managing (5) and installing biax motor (8) on the top right side, the right side output shaft fixed coordination of biax motor (8) has first circular baffle (10), the left side output shaft fixed coordination of biax motor (8) has second circular baffle (9), and wherein, first circular baffle (10) are located the right-hand member face of violently managing (5), the surface circumference of first circular baffle (10) is equidistant to be provided with a plurality of round holes (1001), the lower extreme of second circular baffle (9) extends to the inside of violently managing (5), the surface circumference of second circular baffle (9) is equidistant to be provided with a plurality of arc opening (901).
2. The device for testing the instantaneous stress of the force sensor according to claim 1, wherein a fixed pulley mechanism is further arranged on the top of the top plate (2), the fixed pulley mechanism comprises an installation seat (12), a fixed pulley (13) is rotatably matched on the installation seat (12), the pull rope (14) penetrates through the bottom surface of the fixed pulley (13), and the pull rope (14) on the right side of the fixed pulley (13) is in a horizontal state.
3. The device for testing the instant stress of the force sensor according to claim 1, wherein the number of the circular holes (1001) is three, the number of the arc-shaped openings (901) is three, and the positions of the circular holes (1001) and the arc-shaped openings (901) are staggered.
4. The device for testing the instant stress of the force sensor according to claim 3, wherein the inner diameter of the circular hole (1001) is larger than the diameter of the gravity ball (7), and the inner diameter of the arc-shaped opening portion (901) is also larger than the diameter of the gravity ball (7).
5. The device for testing the instant stress of the force sensor according to claim 1, wherein the damping column (28) comprises a hollow column, a solid column and a damping spring, the vertical damping spring is arranged at the inner bottom of the hollow column, the solid column is fixed at the upper end of the damping spring, and the lower end of the solid column extends to the inside of the hollow column.
6. The device for testing the instant stress of the force sensor according to claim 1, wherein the lifting mechanism (4) adopts one of a push rod motor, a telescopic cylinder or a telescopic oil cylinder.
7. The device for testing the instant stress of the force sensor according to claim 1, wherein a mounting groove (3) is formed in the bottom of the testing base (1), a bidirectional screw rod (18) is rotatably matched in the mounting groove (3) along the length direction of the mounting groove, one end of the bidirectional screw rod (18) movably extends to the outside of the testing base (1) and is fixed with a handle (25), screw rod sleeves (20) are matched on two sides of the bidirectional screw rod (18) in a spiral transmission manner, connecting rods (19) are hinged to the bottom of the screw rod sleeves (20), and the lower ends of the two connecting rods (19) are hinged to the top surface of the transverse plate (22).
8. The device for testing the instant stress of the force sensor according to claim 7, wherein a limiting rod (23) is fixed to the top of the screw rod sleeve (20), a sliding rail (21) arranged along the length direction of the mounting groove (3) is fixed to the inner top wall of the mounting groove, and the upper end of the limiting rod (23) is arranged on the sliding rail (21) in a sliding manner.
CN201910885232.2A 2019-09-19 2019-09-19 Instant stress testing device of force sensor Active CN110553790B (en)

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