Efficient calibration device and method for use in calibrating inclinometers

Abstract

The present invention relates to the technical field of inclinometer calibration, in which a vertical cylinder 13 is fixed to the bottom surface of a connecting plate 12, a conductive pole 14 extending into the vertical cylinder is fixed within the connecting plate, and the top end of the conductive pole is connected to a reading device 11 via a signal line 15, a stop plate 17 is rotatably attached to the bottom end of each of two fixed rods 16, the top end of a torsion spring 19 is fixed to the bottom surface of the connecting plate, and the bottom end of the torsion spring is fixed to the top surface of the stop plate, an electric push-up cylinder 21 for pushing up the inclinometer is fixed to an arch frame 20, a push-up block 23 extending into the workbench 3 is connected to the top end of the rod member 22, and two drive assemblies 24 for opening the stop plate 17 are provided on the arch frame. According to the present invention, the calibration time of the inclinometer can be shortened to the maximum, and the efficiency of the calibration of the inclinometer can be increased to the maximum.

Description

[Technical Field]

[0001] The present invention relates to the technical field of inclinometer calibration, and more particularly to an efficient calibration device and method used for calibrating inclinometers. [Background technology]

[0002] Inclinometers measure the inclination angle of an object, specifically used for long-term monitoring of inter-story horizontal displacement deformation of dams, foundation walls, hillsides, barriers and similar structures, as well as for measuring changes in inclination of buildings and structures when installed independently.

[0003] The structure of the inclinometer 1 is provided with a contact member 2, as shown in Figure 1. Since the inclinometer 1 is usually operated in a hidden working environment and inspection and replacement are difficult, after the user receives the batch inclinometer sent from the instrument factory, the batch inclinometer must be calibrated using a calibration device (the performance of the inclinometer 1 may change during transportation, storage, etc. of the inclinometer 1 from the instrument factory to the user, so the received inclinometer 1 must be calibrated) to determine whether the performance of the inclinometer meets the usage requirements.

[0004] As shown in Figures 2 and 3, the structure of one calibration device includes a workbench 3, a fixed arm 4 fixed to the top surface of the workbench 3, a rotating arm 6 rotatably attached to the upper end of the fixed arm 4 via a rotating shaft 5, and a stepping motor 7 fixed to the rear end surface of the fixed arm 4, with the output shaft of the stepping motor 7 connected to the rotating shaft 5, and a digital goniometer 8 fixed to the front end surface of the rotating arm 6.

[0005] The operation procedure for the worker to calibrate the received inclinometer 1 using this calibration includes: After taking out the inclinometer 1 to be calibrated, the worker uses adhesive tape 9 to attach and fix the inclinometer 1 to the front end surface of the rotating arm 6, so that the inclinometer 1 is in a vertical position as shown in Figures 4 and 5, thereby realizing the installation and fixation of the first inclinometer 1 to be calibrated (S1); The worker connects the signal line A10 to the contact member 2 of the inclinometer 1 and connects the other end of the signal line A10 to the access end of the reading device 11 (S2); The worker starts the stepping motor 7, which rotates the rotary shaft 5, which rotates the rotary arm 6, and the rotary arm 6 rotates the inclinometer 1 and the digital angle meter 8 synchronously, as shown in Figure 6. When the digital angle meter 8 displays 5° (this angle is the first range of the inclinometer 1), the worker closes the stepping motor 7 and records the angle value displayed on the reading device 11, which is the current actual angle of the inclinometer 1. Then, subtract 5° from the angle value to obtain the first difference S3. The worker starts the stepping motor 7, and the rotating arm 6 rotates the inclinometer 1 and the digital angle meter 8 synchronously. When the digital angle meter 8 displays 10° (this angle is the second range of the inclinometer 1), the worker closes the stepping motor 7 and records the angle value displayed on the reading device 11, which is the current actual angle of the inclinometer 1. Then, subtract 10° from the angle value to obtain the second difference S4. The worker repeats the operation of S4 multiple times in this way, obtains multiple differences, and finally completes the calibration of the first inclinometer 1 in S5. The worker analyzes and processes the obtained differences and determines whether the performance of the inclinometer 1 meets the requirements (S6); By repeating steps S1 to S6 in this way, the operator can continuously calibrate a plurality of inclinometers 1 (S7).

[0006] However, although such a calibration device can calibrate the received batch of inclinometers 1, in actual operation there are technical defects such as: 1. In step S1, the inclinometer 1 cannot be attached to the rotating arm 6 unless it is fixed with adhesive tape 9 to attach it to the front end surface of the rotating arm 6. Among these, fixing the inclinometer 1 requires multiple adhesive tapes 9, which undoubtedly increases the adhesive fixing time of the inclinometer 1 and further reduces the calibration efficiency of the inclinometer 1. In addition, there are as many as 50 to 60 inclinometers 1 to be calibrated, and manually fixing all of the inclinometers 1 with adhesive tape 9 takes a long time, further reducing the calibration efficiency of the inclinometers 1. 2. In step S2, before calibrating the inclinometer 1, the inclinometer 1 needs to be manually connected to the reading device 11 via the signal line A10, so that the current actual angle of the inclinometer 1 can be displayed through the reading device 11. However, connecting the signal line A10 every time will inevitably increase the calibration time of the inclinometer 1 and further reduce the calibration efficiency of the inclinometer 1.

[0007] Therefore, there is a need for a calibration apparatus and method that can maximally reduce the calibration time of an inclinometer and maximally increase the calibration efficiency of an inclinometer. Summary of the Invention [Means for solving the problem]

[0008] The object of the present invention is to provide an efficient calibration device and method for calibrating an inclinometer, which can overcome the drawbacks of the prior art, minimize the calibration time of the inclinometer, and maximize the efficiency of the inclinometer calibration.

[0009] The object of the present invention is achieved by the following technical means, which provides an efficient calibration device used for calibrating an inclinometer, comprising: a workbench; a fixed arm fixed to the top surface of the workbench; a rotating arm rotatably attached to the upper end of the fixed arm via a rotating shaft; and a stepping motor fixed to the rear end surface of the fixed arm, the stepping motor being connected to the rotating shaft, and a digital angle meter fixed to the front end surface of the rotating arm, A connecting plate is fixed to the front end surface of the rotating arm, and is fixed directly below the digital goniometer. A vertical cylinder is fixed to the bottom surface of the connecting plate. A conductive pole is fixed inside the connecting plate and extends into the vertical cylinder. The top end of the conductive pole is connected to the reading device via a signal line B. Fixed rods located on both sides of the vertical cylinder are fixed to the bottom surface of the connecting plate. A retaining plate is rotatably attached to the bottom ends of both fixed rods. The inner end of the retaining plate extends directly below the vertical cylinder. A rectangular groove is opened on the bottom surface of the outer end of the retaining plate, located directly below the fixed rod. A torsion spring is installed on both fixed rods. The top end of the torsion spring is fixed to the bottom surface of the connecting plate, and the bottom end of the torsion spring is fixed to the top surface of the retaining plate. An arch frame is fixed to the bottom surface of the workbench, and an electric thrust cylinder for pushing up the inclinometer is fixed to the arch frame, the piston rod of the electric thrust cylinder passes through the arch frame upward, and a rod member is connected to the extended end of the piston rod, and a thrust block extending into the workbench is connected to the top end of the rod member, and the thrust block is located directly below the vertical tube, and two drive assemblies for opening the stopper plate are provided on the arch frame, and the two drive assemblies are located on both sides of the electric thrust cylinder, The work table is characterized in that a rotation assembly is provided in the vertical direction for rotating the inclinometer to be calibrated.

[0010] A plurality of support frames are fixed to the bottom surface of the work platform and supported on the ground.

[0011] The internal cavity of the vertical cylinder is adapted to the outer casing of the inclinometer.

[0012] The drive assembly includes an electric drive cylinder fixed to the arch frame, the piston rod of the electric drive cylinder passing through the arch frame upward, and a drive motor fixed to the extended end of the drive motor, a thin rod connected to the output end of the drive motor, the top end of which is connected to a square head extending into the worktable, and the square head is located directly below the rectangular groove of the stop plate.

[0013] The rotating assembly includes an opening in the fixed arm, and a direct-acting electric cylinder that passes through the opening and is fixed to the workbench. A movable plate is fixed vertically to the top surface of the working part of the direct-acting electric cylinder. Support bases are fixed to the top surface of the movable plate at intervals along its length, with a counterbore formed in each support base. A small groove in the counterbore extends downward through the bottom surface of the movable plate. Two through holes are formed in the movable plate on both sides of each support base.

[0014] The large groove in the counterbore fits over the contour of the inclinometer.

[0015] The calibration device further includes a controller, which is electrically connected to the thrust-up electric cylinder, the driving electric cylinder, the direct-acting electric cylinder, and the stepping motor via signal lines.

[0016] 1. An efficient calibration method for use in calibrating an inclinometer, comprising the steps of: The worker takes out the multiple inclinometers to be calibrated, places one inclinometer in each counterbore of the support base of the rotating assembly, and aligns the large groove of the counterbore with the outer periphery of the inclinometer, thereby realizing the positioning of the multiple inclinometers. S1. The linear actuator of the rotary assembly is activated, and the actuator on the linear actuator moves the moving plate forward, and the moving plate moves each support and the inclinometer forward synchronously. After the actuator moves to a predetermined distance, the controller controls the linear actuator to close. At this time, the counterbore of the first support is directly above the thrust block, and at the same time, the through holes on both sides of the first support are respectively directly above the two square heads. At the same time, the inclinometer in the first support is aligned with S2, which is directly below the vertical cylinder. S3, which includes the following operational steps: installing the inclinometer in the first support base in the vertical tube; S31, the operator controls the piston rods of the driving electric cylinders of the two driving assemblies to extend, the piston rods move the thin rods upward, the thin rods move the square heads upward, the square heads pass through the through holes and extend into the rectangular grooves of the retaining plates, and at this time, the square heads fit into the rectangular grooves; S32, start the driving motor of the driving assembly, and control the driving motor to rotate the thin rod, so that the thin rod rotates the square head, and the square head synchronously rotates the stopper plate, and when the stopper plate moves in the direction away from the vertical cylinder, at the same time, the stopper plate torsionally deforms the torsion spring, and after the stopper plate rotates 180°, the controller controls the driving motor to close, and at this time, the stopper plate does not block the bottom port of the vertical cylinder; S33: Control the piston rod of the thrust-up electric cylinder to extend upward, the piston rod moves the rod member upward, and the rod member simultaneously moves the thrust-up block upward, the thrust-up block enters the counterbore of the first support base, and the thrust-up block pushes up the inclinometer in the first support base, and after the piston rod of the thrust-up electric cylinder is fully extended, the inclinometer enters the vertical cylinder just right, and the contact member of the inclinometer just contacts the conductive pole; S34: Controlling the piston rods of the driving electric cylinders of the two driving assemblies to pull back downward, the piston rods move the thin rods downward, and the thin rods move the square heads downward. After the square heads come out of the rectangular grooves of the retaining plate, the retaining plate rotates in the opposite direction around the axis of the fixed rod under the restoring force of the torsion spring, and the retaining plate again shields the bottom port of the vertical cylinder while supporting the inclinometer located inside the vertical cylinder; S35. The piston rod of the thrust-up electric cylinder is controlled to be pulled back downward, and the piston rod moves the rod member and the thrust-up block downward. After the thrust-up block is reset, the inclinometer in the first support base is installed in the vertical cylinder. The worker starts the stepper motor, the stepper motor rotates the rotary shaft, the rotary shaft rotates the rotary arm, the rotary arm rotates the inclinometer and the digital angle meter synchronously, when the digital angle meter displays 5°, the worker closes the stepper motor and records the angle value displayed on the reading device, this angle value is the current actual angle of the inclinometer, and then subtracts 5° from the angle value to obtain the first difference S4; The worker starts the stepping motor, and the rotating arm rotates the inclinometer and the digital angle meter synchronously. When the digital angle meter displays 10°, the worker closes the stepping motor and records the angle value displayed on the reading device. This angle value is the current actual angle of the inclinometer. Then, subtract 10° from the angle value to obtain the second difference S5. The worker repeats the operation of S5 multiple times to obtain multiple differences, and finally completes the calibration of the first inclinometer in S6. The worker analyzes and processes the obtained differences and determines whether the performance of the inclinometer meets the requirements. The worker repeats the operations of S31 to S32 once to remove the inclinometer from the vertical tube (S7). By repeating steps S1 to S7, the operator can continuously calibrate multiple inclinometers (S8). [Effects of the Invention]

[0017] The beneficial effects of the present invention are as follows: the time required for calibration of the inclinometer can be reduced to a maximum, and the efficiency of calibration of the inclinometer can be increased to a maximum. [Brief explanation of the drawings]

[0018] [Figure 1] 1 is a structural schematic diagram of an inclinometer of the present invention; [Figure 2] 1 is a structural schematic diagram of a calibration device; [Figure 3] FIG. 3 is a cross-sectional view taken along the line AA in FIG. 2. [Figure 4] FIG. 10 is a schematic diagram showing how the first inclinometer to be calibrated is attached and fixed. [Figure 5] FIG. 5 is a cross-sectional view of a portion BB in FIG. [Figure 6] 10 is a schematic diagram of a rotary shaft rotating a rotary arm. FIG. [Figure 7] 1 is a structural schematic diagram of the present invention; [Figure 8] FIG. 8 is a cross-sectional view of a portion CC in FIG. [Figure 9] FIG. 8 is a structural schematic diagram of the rotating assembly in FIG. 7 after removal. [Figure 10] FIG. 10 is a cross-sectional view of a portion DD in FIG. 9. [Figure 11] FIG. 1 is an axonometric view of the stop plate. [Figure 12] FIG. 12 is a principal cross-sectional view of FIG. [Figure 13] This is a diagram showing the arch frame, the thrust-up electric cylinder, and the two drive assemblies connected together. [Figure 14] FIG. 10 shows the state in which the square head and thin rod are connected. [Figure 15] FIG. 1 is an axonometric view of a rotating assembly. [Figure 16] FIG. 16 is a principal cross-sectional view of FIG. [Figure 17] FIG. 10 is a diagram showing a state in which a plurality of inclinometers are fixed. [Figure 18] FIG. 18 is a cross-sectional view of a portion EE in FIG. [Figure 19]10 is a diagram showing the state in which the square head passes through the through hole and enters the rectangular groove of the retaining plate. FIG. [Figure 20] FIG. 10 shows the state in which the retaining plate does not block the bottom port of the vertical tube. [Figure 21] FIG. 10 is a diagram showing the state in which the inclinometer is inserted into the vertical cylinder. [Figure 22] 10 is a diagram showing the state in which the retaining plate has once again blocked the bottom port of the vertical tube. FIG. [Figure 23] FIG. 10 is a diagram showing the state in which the inclinometer is installed. [Figure 24] FIG. 24 is a cross-sectional view of the FF portion in FIG. 23. [Figure 25] 10 is a schematic diagram of a pivoting arm rotating an inclinometer. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0019] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description.

[0020] As shown in Figures 7 to 16, this is an efficient calibration device used for calibrating an inclinometer, and includes a workbench 3, a fixed arm 4 fixed to the top surface of the workbench 3, a rotating arm 6 rotatably attached to the upper end of the fixed arm 4 via a rotating shaft 5, and a stepping motor 7 fixed to the rear end surface of the fixed arm 4, the stepping motor 7 being connected to the rotating shaft 5, and a digital goniometer 8 fixed to the front end surface of the rotating arm 6. A plurality of support frames supported on the ground are fixed to the bottom surface of the workbench 3.

[0021] A connecting plate 12 is fixed to the front end surface of the rotating arm 6, and is fixed directly below the digital angle meter 8. A vertical cylinder 13 is fixed to the bottom surface of the connecting plate 12. The internal cavity of the vertical cylinder 13 is aligned with the outer casing of the inclinometer 1, Conductive poles 14 are fixedly mounted within the connecting plate 12 and extend into the vertical tube 13. The top ends of the conductive poles 14 are connected to the reading device 11 via signal lines B15. Fixed rods 16 are fixed to the bottom surface of the connecting plate 12, located on both sides of the vertical tube 13. Stopper plates 17 are rotatably attached to the bottom ends of the two fixed rods 16. The inner ends of the stopper plates 17 extend directly below the vertical tube 13. A rectangular groove 18 is opened on the bottom surface of the outer end of the stopper plate 17, located directly below the fixed rods 16. A torsion spring 19 is installed on each of the two fixed rods 16. The top ends of the torsion springs 19 are fixed to the bottom surface of the connecting plate 22, and the bottom ends of the torsion springs 19 are fixed to the top surface of the stopper plates 17. An arch frame 20 is fixed to the bottom surface of the workbench 3, and a thrust-up electric cylinder 21 for thrusting the inclinometer 1 upward is fixed to the arch frame 20. The piston rod of the thrust-up electric cylinder 21 passes upward through the arch frame 20, and a rod member 22 is connected to the extended end. The top end of the rod member 22 is connected to a thrust-up block 23 extending into the workbench 3, and the thrust-up block 23 is located directly below the vertical tube 13. Two drive assemblies 24 for opening the stopper plate 17 are provided on the arch frame 20, and the two drive assemblies 24 are located on both sides of the thrust-up electric cylinder 21. The drive assembly 24 has a drive electric cylinder 26 fixed to the arch frame 20, the piston rod of the drive electric cylinder 26 passes upward through the arch frame 20, and a drive motor 27 is fixed to the extended end of the drive electric cylinder 26, a thin rod 28 is connected to the output end of the drive motor 27, and a square head 29 extending into the work table 3 is connected to the top end of the thin rod 28, and the square head 29 is located directly below the rectangular groove 18 of the stop plate 17.

[0022] A rotating assembly 25 for rotating the inclinometer 1 to be calibrated is mounted vertically on the worktable 3. The rotating assembly 25 includes an opening 30 in the fixed arm 4 and a direct-acting electric cylinder 31 that passes through the opening 30 and is fixed to the worktable 3. A movable plate 33 is fixed vertically to the top surface of the working part of the direct-acting electric cylinder 31. Support bases 34 are fixedly mounted on the top surface of the movable plate 33 at intervals along its length. Each support base 34 has a counterbore 35, the small groove of which extends downward through the bottom surface of the movable plate 33. Two through holes 36 are formed in the movable plate 33 on both sides of each support base 34. The large groove of the counterbore 35 is aligned with the outer periphery of the inclinometer 1.

[0023] The calibration device further includes a controller, which is electrically connected via signal lines to the thrust-up electric cylinder 21, the drive electric cylinder 26, the direct-acting electric cylinder 31, and the stepping motor 7. Through the controller, an operator can control the extension or retraction of the piston rods of the thrust-up electric cylinder 21 and the drive electric cylinder 26, as well as the activation or deactivation of the direct-acting electric cylinder 31 and the stepping motor 7, making operation by the operator easier.

[0024] 1. An efficient calibration method for use in calibrating an inclinometer, comprising the steps of: As shown in Figures 17 and 18, the worker takes out multiple inclinometers 1 to be calibrated, places one inclinometer 1 in the counterbore 35 of each support base 34 of the rotating assembly 25, and aligns the large groove of the counterbore 35 with the outer periphery of the inclinometer 1, thereby realizing positioning of the multiple inclinometers 1 (S1); The direct-acting electric cylinder 31 of the rotating assembly 25 is activated, and the actuator 32 on the direct-acting electric cylinder 31 moves the moving plate 33 forward, and the moving plate 33 moves each support 34 and the inclinometer 1 forward synchronously. After the actuator 32 moves to a predetermined distance, the controller controls the direct-acting electric cylinder 31 to close. At this time, the counterbore 35 of the first support 34 is exactly above the thrust block 23. At the same time, the through holes 36 on both sides of the first support 34 are respectively directly above the two square heads 29. At the same time, the inclinometer 1 in the first support 34 is aligned with S2, which is just below the vertical tube 13. The operation includes the following steps: S3, in which the inclinometer 1 in the first support base 34 is attached to the vertical tube 13; S31: The operator controls the piston rods of the driving electric cylinders 26 of the two driving assemblies 24 to extend, and the piston rods move the thin rods 28 upward, and the thin rods 28 move the square heads 29 upward, and the square heads 29 pass through the through holes 36 and extend into the rectangular grooves 18 of the retaining plates 17. At this time, as shown in FIG. 19, the square heads 29 fit into the rectangular grooves 18. S32: Start the driving motor 27 of the driving assembly 24, and control the driving motor 27 to rotate the thin rod 28, which rotates the square head 29, which synchronously rotates the retaining plate 17, and the retaining plate 17 moves away from the vertical tube 13. At the same time, the retaining plate 17 torsionally deforms the torsion spring 19, and after the retaining plate rotates 180°, the controller 27 controls the driving motor to close, and at this time, the retaining plate 27 does not block the bottom port of the vertical tube 13, as shown in Figure 20; S33: Control the piston rod of the thrust-up electric cylinder 21 to extend upward, the piston rod moves the rod member 22 upward, and the rod member 22 simultaneously moves the thrust-up block 23 upward, so that the thrust-up block 23 enters the counterbore 35 of the first support base 34, and the thrust-up block 23 pushes up the inclinometer 1 in the first support base 34, and after the piston rod of the thrust-up electric cylinder 21 is fully extended, the inclinometer 1 enters the vertical tube 13 just right, as shown in Figure 21, and the contact member 2 of the inclinometer 1 just contacts the conductive pole 14; S34: Control the driving electric cylinders 26 of the two driving assemblies 24 to pull back the piston rods downward, so that the piston rods move the thin rods 28 downward, and the thin rods 28 move the square heads 29 downward. After the square heads 29 come out of the rectangular grooves 18 of the retaining plate 17, the retaining plate 17 rotates in the reverse direction around the axis of the fixed rod 16 under the restoring force of the torsion spring 19, so that the retaining plate 17 again covers the bottom port of the vertical tube 13, and supports the inclinometer 1 located inside the vertical tube 13, as shown in FIG. 22; S35: The piston rod of the thrust-up electric cylinder 21 is controlled to be pulled back downward, and the piston rod moves the rod member 22 and the thrust-up block 23 downward. After the thrust-up block 23 is reset, the inclinometer 1 in the first support base 34 is installed in the vertical tube 13, as shown in Figures 23 and 24. As can be seen from step S3, the present invention allows the inclinometer 1 to be calibrated in the support base 34 to be automatically attached to the vertical tube 13 by the interlocking engagement of the drive assembly 24, the thrust-up electric cylinder 21, the stop plate 17 and the torsion spring 19. Therefore, compared to the calibration devices shown in Figures 2 to 6, this calibration device does not require the operator to fix the inclinometer 1 with multiple adhesive tapes 9, significantly shortens the attachment time of the inclinometer 1, and further significantly improves the efficiency of calibration of the inclinometer. Furthermore, when the inclinometer 1 is mounted in the vertical tube 13, the contact member 2 of the inclinometer 1 automatically contacts the conductive pole 14, and the inclinometer 1, the signal line B15, and the reading device 11 are automatically connected in series. Therefore, it is no longer necessary to connect the reading device 11 and the contact member 2 of the inclinometer 1 using the signal line A10 before calibrating one inclinometer 1, which significantly reduces the installation time of the inclinometer 1 and further improves the efficiency of calibration for the inclinometer. The worker starts the stepping motor 7, which rotates the rotary shaft 5, which rotates the rotary arm 6, which rotates the inclinometer 1 and the digital angle meter 8 synchronously. As shown in Figure 25, when the digital angle meter 8 displays 5°, the worker closes the stepping motor 7 and records the angle value displayed on the reading device 11. This angle value is the current actual angle of the inclinometer 1. Then, subtract 5° from the angle value to obtain the first difference S4. The worker starts the stepping motor 7, and the rotating arm 6 rotates the inclinometer 1 and the digital angle meter 8 synchronously. When the digital angle meter 8 displays 10°, the worker closes the stepping motor 7 and records the angle value displayed on the reading device 11. This angle value is the current actual angle of the inclinometer 1. Then, subtract 10° from the angle value to obtain the second difference S5. The worker repeats the operation of S5 multiple times to obtain multiple differences, and finally completes the calibration of the first inclinometer 1 in S6. The worker analyzes and processes the obtained differences and determines whether the performance of the inclinometer 1 meets the requirements. The worker repeats the operations of S31 to S32 once to remove the inclinometer 1 from the vertical tube 13 (S7). The operator can continuously calibrate multiple inclinometers 1 by repeating the operations S1 to S7 (S8).

[0025] As can be seen from steps S1 to S8, this calibration device automatically installs the inclinometers 1 on the rotating assembly 25 into the vertical tube 13 one after another through the interlocking engagement of the rotating assembly 25, the thrust-up electric cylinder 21, and the drive assembly 24, and can then quickly advance the inclinometers 1 into the calibration location, thereby achieving the calibration of 50 to 60 inclinometers 1 in a short period of time and greatly improving the efficiency of inclinometer calibration. [Explanation of symbols]

[0026] 1, inclinometer; 2, contact element; 3, workbench; 4, fixed arm; 5, rotating shaft; 6, rotating arm; 7, stepping motor; 8, digital angle meter; 9, adhesive tape; 10, signal line A; 11, reading device; 12, connection plate; 13, vertical tube; 14, conductive pole; 15, signal line B; 16, fixed rod; 17, stop plate; 18, rectangular groove; 19, torsion spring; 20, arch frame; 21, thrust-up electric cylinder; 22, rod element; 23, thrust-up block; 24, drive assembly; 25, rotation assembly; 26, drive electric cylinder; 27, drive motor; 28, thin rod; 29, square head; 30, opening; 31, direct-acting electric cylinder; 32, operating part; 33, moving plate; 34, support base; 35, counterbore; 36, through hole.

Claims

1. An efficient calibration device for use in calibrating an inclinometer, comprising a work table (3), a fixed arm (4) fixed to the top surface of the work table (3), a rotating arm (6) rotatably attached to the upper end of the fixed arm (4) via a rotating shaft (5), and a stepping motor (7) fixed to the rear end surface of the fixed arm (4), the stepping motor (7) being connected to the rotating shaft (5), and a digital angle meter (8) fixed to the front end surface of the rotating arm (6), A connection plate (12) is fixed to the front end surface of the rotating arm (6) directly below the digital angle meter (8). A vertical cylinder (13) is fixed to the bottom surface of the connection plate (12). A conductive pillar (14) extending into the vertical cylinder (13) is fixed inside the connection plate (12). The top end of the conductive pillar (14) is connected to the reading device (11) via a signal line B (15). Fixed rods (16) located on both sides of the vertical cylinder (13) are fixed to the bottom surface of the connection plate (12). A retaining plate (17) is rotatably mounted on each bottom end, the inner end of which extends directly below the vertical tube (13), and a rectangular groove (18) is formed on the bottom surface of the outer end of the retaining plate (17), located directly below the fixed rod (16). A torsion spring (19) is installed on each of the two fixed rods (16), and the top end of the torsion spring (19) is fixed to the bottom surface of the connecting plate (12), and the bottom end of the torsion spring (19) is fixed to the top surface of the retaining plate (17). An arch frame (20) is fixed to the bottom surface of the workbench (3), and a thrust-up electric cylinder (21) for pushing up the inclinometer (1) is fixed to the arch frame (20). The piston rod of the thrust-up electric cylinder (21) passes upward through the arch frame (20) and is connected to a rod member (22) at its extended end. A thrust-up block (23) extending into the workbench (3) is connected to the top end of the rod member (22). The thrust-up block (23) is located directly below the vertical tube (13). Two drive assemblies (24) for opening the stopper plate (17) are provided on the arch frame (20), and the two drive assemblies (24) are located on both sides of the thrust-up electric cylinder (21). The work table (3) is provided with a rotation assembly (25) in a vertical direction for rotating the inclinometer (1) to be calibrated; The drive assembly (24) includes a drive electric cylinder (26) fixed to the arch frame (20), a piston rod of the drive electric cylinder (26) passing upward through the arch frame (20), and a drive motor (27) fixed to the extended end thereof, a thin rod (28) connected to the output end of the drive motor (27), a square head (29) extending into the work table (3) connected to the top end of the thin rod (28), and the square head (29) located directly below the rectangular groove (18) of the stop plate (17); The rotating assembly (25) includes an opening (30) in the fixed arm (4), and a direct-acting electric cylinder (31) passing through the opening (30) and fixed to the work table (3). A moving plate (33) is fixedly mounted vertically on the top surface of the operating part (32) of the direct-acting electric cylinder (31). Support bases (34) are fixedly mounted on the top surface of the moving plate (33) at intervals along its longitudinal direction. Each support base (34) has a counterbore (35), a small groove of the counterbore (35) extending downward through the bottom surface of the moving plate (33). Two through holes (36) are provided on both sides of each support base (34) in the moving plate (33). The large groove of the counterbore (35) is aligned with the outer casing of the inclinometer (1), and the driving assembly (24), the thrust-up electric cylinder (21), the stop plate (17) and the torsion spring (19) are interlocked to automatically mount the inclinometer (1) to be calibrated in the support base (34) in the vertical tube (13). When the inclinometer (1) is mounted in the vertical tube (13), the contact member (2) of the inclinometer (1) automatically contacts the conductive pole (14), and the inclinometer (1), signal line B (15) and reading device (11) are automatically connected in series. This is an efficient calibration device used for calibrating inclinometers.

2. An efficient calibration device used for calibrating an inclinometer as described in claim 1, characterized in that a plurality of support frames supported on the ground are fixed to the bottom surface of the workbench (3).

3. 3. An efficient calibration device for use in calibrating an inclinometer according to claim 2, characterized in that the internal cavity of the vertical tube (13) is adapted to the outer periphery of the inclinometer (1).

4. 4. An efficient calibration device used for calibrating an inclinometer according to claim 3, characterized in that the calibration device further includes a controller, which is electrically connected to the thrust electric cylinder (21), the drive electric cylinder (26), the direct-acting electric cylinder (31), and the stepping motor (7) via signal lines.

Images