CN117516309A - Quality detection device of metering instrument and use method - Google Patents

Abstract

The utility model discloses a quality detection device of a metering instrument and a use method thereof, and relates to the technical field of quality detection of metering instruments. The utility model provides a quality testing device of metering instrument, includes propulsion unit spare, rebound subassembly, tensile subassembly and turns over a subassembly, rebound subassembly includes the installation piece, the first end rotation of installation piece is connected on the chain, the second end sliding connection of installation piece is in the second backup pad, second backup pad fixed connection is on the bottom plate, sliding connection has the electro-magnet on the installation piece, fixedly connected with electro-magnet spring's first end on the electro-magnet, electro-magnet spring's second end fixed connection is on the installation piece, tensile subassembly includes two last centre gripping spouts, two last centre gripping spouts respectively sliding connection are on mount and carriage, last clamping lever of last sliding connection has on the centre gripping spout, the first end of fixedly connected with clamping lever spring on the last clamping lever, the second end fixed connection of clamping lever spring is on last centre gripping spout.

Description

Quality detection device of metering instrument and use method

Technical Field

The utility model discloses a quality detection device of a metering instrument and a use method thereof, and relates to the technical field of quality detection of metering instruments.

Background

The measuring instrument widely exists in various industries, along with the continuous improvement of the requirements of the industries on measuring precision and reliability, the inaccuracy of the measuring instrument can greatly influence the performance and quality of products, so that the quality detection of the measuring instrument is very important, the production level of the accurate measuring instrument can be remarkably improved, and the time cost can be effectively saved due to the stability of the measuring instrument.

The utility model patent with the publication number of CN216954248U discloses a detection device for a building measuring tool with an adjusting function, the device comprises a supporting plate, a movable rod is arranged on the supporting plate, the movable rod is driven by a motor to move, one end of a measuring tape is fixed through a fixing groove, and the measuring tape is repeatedly pulled out, so that the quality of the measuring tape is detected.

When the measuring tape is detected, the operation flow of the measuring tape detecting device is complex, meanwhile, the detecting items of the measuring tape detecting device are single, meanwhile, in the prior art, the detection of the measuring instrument generally depends on limited calibration standards and complex operation flows, and the problems of high time cost, high professional skill requirements and the like exist.

Disclosure of Invention

In order to solve the problems, the utility model provides the following technical scheme: the utility model provides a quality testing device of metering instrument, including propulsion unit, rebound subassembly, stretching unit and turn over a subassembly, propulsion unit includes the fixed disk, fixed disk rotates to be connected on first backup pad, sliding connection has the dead lever on the fixed disk, the dead lever is provided with four, fixedly connected with fixed spring's first end on the dead lever, fixed spring's second end fixed connection is on the fixed disk, frictional connection has an adjusting belt on the fixed disk, adjusting belt still frictional connection is on the handle, handle swivelling joint is in first backup pad, rebound unit includes the installation piece, the first end swivelling joint of installation piece is on the chain, the second end sliding connection of installation piece is in the second backup pad, second backup pad fixed connection is on the bottom plate, sliding connection has the electro-magnet on the installation piece, fixedly connected with electro-magnet spring's first end on the electro-magnet spring, electromagnet spring's second end fixed connection is on the installation piece, clamping slide groove is on two respectively sliding connection, sliding connection has last clamping lever on the clamping lever, last clamping lever spring's first end, handle swivelling joint is in the first end of clamping lever spring, handle swivelling joint is in the second end sliding connection on the second backup pad, swing joint is on the gear, swing joint is on the swing joint, swing joint is on the gear.

Preferably, the propulsion assembly further comprises a bottom plate, a propulsion motor is fixedly connected to the bottom plate, a first gear is fixedly connected to the propulsion motor, the first gear is meshed with a second gear, the second gear is rotationally connected to a fixing groove, the fixing groove is fixedly connected to the bottom plate, and the second gear is further in threaded connection to a propulsion screw rod.

Preferably, the pushing screw rod is rotationally connected with a pushing block and a pushing rod, the pushing block is slidably connected to the fixing groove and the placing frame, the placing frame is fixedly connected to the bottom plate, the placing frame is fixedly connected with a first end of a pushing spring, a second end of the pushing spring is rotationally connected to the pushing ring, the pushing ring is rotationally connected to the pushing screw rod, the pushing springs are provided with two pushing springs, the first end of the other pushing spring is fixedly connected to the pushing rod, and the pushing rod is slidably connected to the fixing groove and the fixing disc.

Preferably, the rebound assembly further comprises a rebound motor and an adjusting plate, the rebound motor is fixedly connected to the bottom plate, a rebound driving belt is in friction connection with the rebound motor, the rebound driving belt is in friction connection with the rotating shaft, the rotating shaft is provided with four, the rotating shaft is rotationally connected to the first supporting plate, the first supporting plate is fixedly connected to the bottom plate, a chain is in friction connection with the rotating shaft, the adjusting plate is slidingly connected to the first supporting plate, the adjusting plate is fixedly connected to a first end of an adjusting plate spring, and a second end of the adjusting plate spring is fixedly connected to the first supporting plate.

Preferably, the stretching assembly further comprises a stretching motor, the stretching motor is fixedly connected to the bottom plate, a stretching transmission belt is in friction connection with the stretching motor, the stretching transmission belt is in friction connection with the stretching screw rod, the stretching screw rod is rotationally connected to the supporting frame, the supporting frame is fixedly connected to the bottom plate, the stretching screw rod is rotationally connected with a first end of a fixing frame, a second end of the fixing frame is fixedly connected to the sliding rail, a first end of a sliding frame is in threaded connection with the stretching screw rod, a second end of the sliding frame is in sliding connection with the sliding rail, the sliding rail is fixedly connected to the bottom plate, and the sliding frame is in sliding connection with the second supporting plate.

Preferably, the stretching assembly further comprises two upper hydraulic cylinders and two lower hydraulic cylinders, the two upper hydraulic cylinders are respectively and fixedly connected to the fixing frame and the sliding frame, the upper hydraulic cylinders are fixedly connected with upper hydraulic rods, the upper hydraulic rods are fixedly connected to the upper clamping sliding grooves, the two lower hydraulic cylinders are respectively and fixedly connected to the fixing frame and the sliding frame, the lower hydraulic rods are respectively and fixedly connected to the lower hydraulic cylinders, and the lower clamping rods are fixedly connected to the lower hydraulic rods.

Preferably, the folding assembly further comprises a sliding plate and a mounting plate, wherein the sliding plate is slidably connected to the upper clamping sliding groove, a pressing rod is fixedly connected to the sliding plate, the pressing rod is slidably connected to the second supporting plate, the mounting plate is slidably connected to the lower hydraulic rod, a sliding rod is fixedly connected to the mounting plate, the sliding rod is slidably connected to the bottom plate, a first end of a supporting spring is fixedly connected to the mounting plate, and a second end of the supporting spring is fixedly connected to the bottom plate.

Preferably, the turnover assembly further comprises a rotating pendulum shaft, the rotating pendulum shaft is rotationally connected to the mounting plate, the rotating pendulum shaft is slidingly connected to the swinging rod, a belt is connected to the rotating pendulum shaft in a friction mode, the belt is further connected to the turnover motor in a friction mode, and the turnover motor is fixedly connected to the mounting plate.

The application method of the quality detection device of the metering instrument comprises the following steps:

step one: the tape is manually placed on the placement frame, then the pushing motor is started, the pushing block slides towards the direction of the fixed disc, the tape is pushed to be clamped between the four fixed rods, then the pushing motor is reversed, the pushing block is reset, then the handle is manually rotated, and the tape hook of the tape is opposite to the chain.

Step two: and starting the rebound motor to enable the chain to move, driving the electromagnet to cling to the adjusting plate to slide downwards through the chain movement, enabling the electromagnet to adsorb the ruler hook after sliding to the ruler hook position, and enabling the electromagnet to pull the ruler hook to move to one end of the chain, which is close to the overturning motor, through the chain. Then the electromagnet is powered off to enable the tape hook to retract, so that the rebound resilience of the tape measure is repeatedly detected.

Step three: when the turnover performance detection is needed, the ruler hook is stretched to a position close to the turnover motor through the electromagnet, then the upper hydraulic cylinder and the lower hydraulic cylinder are started, the lower clamping rod and the upper clamping rod clamp the measuring tape in the middle, then the electromagnet is powered off and the turnover motor is started, so that the turnover plate is turned upwards, and the turnover performance of the measuring tape is detected.

Step four: after the turnover detection is finished, the stretching motor is started, so that the sliding frame slides towards the turning plate, and the measuring tape is stretched, and the stretching performance of the measuring tape is detected.

The utility model provides a quality detection device of a metering instrument and a use method thereof, which have the following beneficial effects:

1. the utility model is provided with the adjusting plate, the electromagnet slides and compresses the electromagnet spring after moving to contact with the adjusting plate through the sliding of the adjusting plate, then the electromagnet slides downwards along the adjusting plate along with the movement of the chain, and the electromagnet slides downwards along the adjusting plate to realize the adsorption of the ruler hook.

2. The upper clamping rods are arranged, and through the sliding of the upper clamping rods, the two upper clamping rods are pushed to slide to two sides and compress the clamping rod springs when the lower clamping rods are contacted with the upper clamping rods, and the upper clamping rods slide to enable the lower clamping rods and the tape to be clamped between the two upper clamping rods, so that the tape cannot slide when the tensile property test is carried out.

3. The turnover plate is arranged, the turnover motor drives the rotary pendulum shaft to rotate through the belt, the rotary pendulum shaft drives the swinging rod to swing, the swinging rod swings to drive the swinging gear to swing, the swinging gear swings to drive the transmission gear to rotate, the transmission gear rotates to drive the turnover plate to turn, and turnover performance detection is realized through the turnover plate to turn.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a front view of the present utility model.

Fig. 3 is a top view of the present utility model.

Fig. 4 is a side view of the present utility model.

Fig. 5 is a schematic view of the propulsion assembly of the present utility model.

Fig. 6 is a schematic structural view of the fixing plate of the present utility model.

FIG. 7 is a schematic view of a rebound assembly of the present utility model.

Fig. 8 is a schematic structural view of the mounting block of the present utility model.

Fig. 9 is a schematic structural view of the stretching assembly of the present utility model.

Fig. 10 is a schematic structural view of the stretching screw of the present utility model.

Fig. 11 is a cross-sectional view of the carriage of the present utility model.

Fig. 12 is a schematic structural view of the folding assembly of the present utility model.

Fig. 13 is a schematic structural view of the swing lever of the present utility model.

Fig. 14 is a schematic structural view of a flap of the present utility model.

In the figure: 1-a propulsion assembly; a 2-rebound assembly; 3-stretching assembly; 4-a turnover assembly; 101-a bottom plate; 102-a propulsion motor; 103-a first gear; 104-a second gear; 105-a fixed slot; 106, pushing the screw rod; 107-pushing blocks; 108-placing a rack; 109-a push spring; 110-a push ring; 111-push-out lever; 112-a fixed disk; 113-a fixed rod; 114-a fixed spring; 115-adjusting the belt; 116-handle; 201-a rebound motor; 202-rebound drive belt; 203-rotating shaft; 204-a first support plate; 205-chain; 206-mounting blocks; 207-a second support plate; 208-electromagnet; 209-electromagnet springs; 210-an adjusting plate; 211-adjusting plate springs; 301-stretching motor; 302-stretching a transmission belt; 303-stretching a screw rod; 304-a support frame; 305-fixing frame; 306-a carriage; 307-slide rail; 308-upper hydraulic cylinder; 309-feeding a hydraulic rod; 310-upper clamping chute; 311-upper clamping rod; 312-clamping rod springs; 313-lower hydraulic cylinder; 314-lower hydraulic rod; 315-lower clamping rod; 401-a skateboard; 402-a compression bar; 403-mounting plate; 404-slide bar; 405-supporting a spring; 406-turning plate; 407-a drive gear; 408-a swing gear; 409-a swing lever; 410-rotating a pendulum shaft; 411-belt; 412-flipping the motor.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Referring to fig. 1 to 14, the present utility model provides a technical solution: the utility model provides a quality testing device of metering instrument, including propulsion unit 1, rebound unit 2, tension unit 3 and turn over subassembly 4, propulsion unit 1 includes fixed disk 112, fixed disk 112 rotates to be connected on first backup pad 204, sliding connection has dead lever 113 on the fixed disk 112, dead lever 113 is provided with four, the first end of fixed spring 114 is fixedly connected with on the dead lever 113, the second end fixed connection of fixed spring 114 is on fixed disk 112, there is regulation belt 115 on fixed disk 112 friction connection, regulation belt 115 still friction connection is on handle 116, handle 116 rotates to be connected on first backup pad 204, rebound unit 2 includes installation piece 206, installation piece 206's first end rotates to be connected on chain 205, installation piece 206's second end sliding connection is on second backup pad 207, second backup pad 207 is fixedly connected on bottom plate 101, sliding connection has electro-magnet 208 on installation piece 206, the first end of fixedly connected with electro-magnet spring 209 on electro-magnet spring 209, the second end fixedly connected on installation piece 206, tension unit 3 includes two upper holding chute 310, two upper holding chute 310 and lower holding bracket 311 are connected on upper holding bracket 406 respectively, upper holding bracket 408 is connected on upper holding bracket 408, the upper holding bracket 408 is connected on lower bracket 408 is connected to upper bracket 311 is connected to upper bracket 408, the upper bracket 408 is connected to lower bracket 408, the lower bracket 408 is connected on lower bracket 408, the lower bracket 408 is fixed, the upper bracket is connected on lower bracket 408, upper bracket 408 is connected on upper bracket 408, the upper bracket is fixed.

The propulsion assembly 1 further comprises a bottom plate 101, a propulsion motor 102 is fixedly connected to the bottom plate 101, a first gear 103 is fixedly connected to the propulsion motor 102, the first gear 103 is meshed with a second gear 104, the second gear 104 is rotatably connected to a fixing groove 105, the fixing groove 105 is fixedly connected to the bottom plate 101, and the second gear 104 is further in threaded connection with a propulsion screw rod 106.

The pushing screw rod 106 is rotatably connected with a pushing block 107 and a pushing rod 111, the pushing block 107 is slidably connected to the fixed groove 105 and the placing frame 108, the placing frame 108 is fixedly connected to the bottom plate 101, the placing frame 108 is fixedly connected with a first end of a pushing spring 109, a second end of the pushing spring 109 is rotatably connected to a pushing ring 110, the pushing ring 110 is rotatably connected to the pushing screw rod 106, two pushing springs 109 are arranged, a first end of the other pushing spring 109 is fixedly connected to the pushing rod 111, and the pushing rod 111 is slidably connected to the fixed groove 105 and the fixed disc 112.

As shown in fig. 5 and 6, limiting rings are arranged at two ends of the pushing screw 106, the pushing block 107 and the pushing rod 111 are rotationally connected with the pushing screw 106 and are also slidingly connected with the pushing screw 106, one end of the fixing rod 113 close to the placing frame 108 is a diagonal rod, when the tape measure is vertically placed on the placing frame 108 during operation, then the pushing motor 102 is started, the pushing motor 102 drives the second gear 104 to rotate through the first gear 103, the second gear 104 rotates to drive the pushing screw 106 to rotate and move towards the pushing rod 111, when the pushing screw 106 slides towards the pushing rod 111, the pushing screw 106 pushes the pushing block 107 to slide towards the fixing rod 113 through the limiting rings close to one end of the placing frame 108, the pushing block 107 slides towards the fixing rod 113 to push the tape measure placed on the placing frame 108 to move towards the fixing disc 112, the pushing block 107 slides towards the fixed rod 113 and simultaneously compresses the pushing spring 109 on one side of the pushing block 107, meanwhile, when the pushing screw rod 106 moves towards the pushing rod 111, the pushing spring 109 on one side of the pushing rod 111 pulls the pushing rod 111, so that the pushing rod 111 is kept unchanged, when the pushing block 107 pushes the tape measure to move towards the fixed disc 112, the front end of the tape measure contacts with the inclined rod of the fixed rod 113, so that the fixed rod 113 slides and compresses the fixed spring 114, the fixed rod 113 slides to enable the tape measure to move between the four fixed rods 113, the four fixed rods 113 clamp the tape measure through the fixed spring 114, after the tape measure contacts with the fixed disc 112, the pushing motor 102 is reversed, so that the pushing screw rod 106 is reset, and in the resetting process of the pushing screw rod 106, the pushing spring 109 on one side of the placing frame 108 pushes the pushing block 107 to reset.

Before the detection is required, the handle 116 is manually rotated, the handle 116 drives the fixed disc 112 to rotate through the adjusting belt 115, the fixed disc 112 rotates to drive the tape above the fixed disc to rotate, and the orientation of the hook of the tape is adjusted through rotating the fixed disc 112, so that the next detection is facilitated.

When the detection is completed and the tape is required to be taken out, the pushing motor 102 is reversed to enable the pushing screw rod 106 to move towards the direction of the placing frame 108, when the pushing screw rod 106 moves towards the direction of the placing frame 108, the pushing rod 111 is pushed to slide towards the direction of the placing frame 108 through the limiting ring close to one end of the handle 116, the pushing spring 109 on one side of the pushing rod 111 is compressed, the pushing rod 111 slides towards the direction of the placing frame 108 to push the tape to be separated from the fixed rod 113, then the pushing motor 102 is rotated forwards, the pushing screw rod 106 is reset, and meanwhile the pushing rod 111 is reset through the pushing spring 109.

The rebound assembly 2 further comprises a rebound motor 201 and an adjusting plate 210, the rebound motor 201 is fixedly connected to the bottom plate 101, a rebound driving belt 202 is in friction connection with the rebound motor 201, the rebound driving belt 202 is also in friction connection with a rotating shaft 203, the rotating shaft 203 is provided with four rotating shafts 203 and is rotationally connected to a first supporting plate 204, the first supporting plate 204 is fixedly connected to the bottom plate 101, a chain 205 is in friction connection with the rotating shaft 203, the adjusting plate 210 is slidably connected to the first supporting plate 204, a first end of an adjusting plate spring 211 is fixedly connected to the adjusting plate 210, and a second end of the adjusting plate spring 211 is fixedly connected to the first supporting plate 204.

As shown in fig. 5, 7 and 8, the rebound transmission belt 202 is in friction connection with the rebound motor 201 and the rotating shaft 203 closest to the rebound motor 201, two mounting blocks 206 are symmetrically arranged on the chain 205, each mounting block 206 is provided with an electromagnet 208, the adjusting plate 210 is close to one end of the rebound motor 201 through the adjusting plate spring 211, which is close to the fixing rod 113, in operation, the rebound motor 201 drives the rotating shaft 203 to rotate through the rebound transmission belt 202, the rotating shaft 203 rotates to drive the chain 205 to move, the two mounting blocks 206 are driven to move by the chain 205, the mounting blocks 206 slide on the second supporting plate 207 simultaneously when moving, so that the electromagnet 208 always faces the adjusting plate 210, when the chain 205 drives the electromagnet 208 to move, the electromagnet 208 gradually contacts with the adjusting plate 210, then slides downwards along the adjusting plate 210 along with the movement of the chain 205, and adsorbs a tape hook, when the fixing rod 113 clamps the fixing rod 113 is expanded outwards, the adjusting plate 210 pushes the electromagnet 208 to slide and compresses the electromagnet spring 208 when the electromagnet 208 contacts with the adjusting plate 210, so that the tape 208 slides facing the electromagnet 208 and the tape hook is enabled to always slide under the condition of different sizes of the tape.

After the electromagnet 208 is adsorbed to the ruler hook, the ruler hook is pulled to move towards the turning plate 406 through movement of the chain 205, after the mounting block 206 pushes the electromagnet 208 for adsorbing the ruler hook to move to one end close to the turning plate 406, the electromagnet 208 is powered off, so that the ruler hook is separated, the belt is automatically retracted, and meanwhile, the other electromagnet 208 moves to the adsorption position and then drives the ruler hook to move again, so that the functions of detecting the rebound performance of the tape are repeated.

The stretching assembly 3 further comprises a stretching motor 301, the stretching motor 301 is fixedly connected to the bottom plate 101, a stretching transmission belt 302 is in friction connection with the stretching motor 301, the stretching transmission belt 302 is also in friction connection with a stretching screw 303, the stretching screw 303 is rotationally connected to a supporting frame 304, the supporting frame 304 is fixedly connected to the bottom plate 101, the stretching screw 303 is rotationally connected with a first end of a fixing frame 305, a second end of the fixing frame 305 is fixedly connected to a sliding rail 307, a first end of a sliding frame 306 is in threaded connection with the stretching screw 303, a second end of the sliding frame 306 is in sliding connection with the sliding rail 307, the sliding rail 307 is fixedly connected to the bottom plate 101, and the sliding frame 306 is in sliding connection with the second supporting plate 207.

The stretching assembly 3 further comprises two upper hydraulic cylinders 308 and two lower hydraulic cylinders 313, the two upper hydraulic cylinders 308 are respectively and fixedly connected to the fixing frame 305 and the sliding frame 306, the upper hydraulic cylinders 308 are respectively and fixedly connected with an upper hydraulic rod 309, the upper hydraulic rod 309 is fixedly connected to the upper clamping chute 310, the two lower hydraulic cylinders 313 are respectively and fixedly connected to the fixing frame 305 and the sliding frame 306, the lower hydraulic rods 314 are respectively and fixedly connected to the lower hydraulic rods 313, and the lower clamping rods 315 are respectively and fixedly connected to the lower hydraulic rods 314.

As shown in fig. 9, 10 and 11, two upper clamping rods 311 are disposed on each upper clamping chute 310, in operation, when the tape is pulled out by the electromagnet 208 to attract the tape hook, the tape passes through the middle of the upper clamping rods 311 and the lower clamping rods 315, when the tensile property detection is required, two upper hydraulic cylinders 308 and two lower hydraulic cylinders 313 are simultaneously started, the upper hydraulic cylinders 308 push the upper clamping chute 310 to move downwards through the upper hydraulic rods 309, the upper clamping chute 310 moves downwards to drive the upper clamping rods 311 to move downwards, meanwhile, the lower hydraulic cylinders 313 push the lower hydraulic rods 314 to drive the lower clamping rods 315 to move upwards, the upper clamping rods 311 and the lower clamping rods 315 clamp the tape in the middle, when the lower clamping rods 315 and the upper clamping rods 311 are close together, the upper clamping rods 311 and the lower clamping rods 315 continue to move continuously, so that the lower clamping rods 311 slide and compress the clamping rod springs 312, the upper clamping rods 311 slide together with the tape to the middle of the two upper clamping rods 311, and the upper clamping rods 311 are tightly attached to the clamping rods 312 through the clamping rod belts 312, and the accurate performance test is avoided when the tape is thoroughly tested.

After the clamping is completed, the stretching motor 301 is started, the stretching motor 301 drives the stretching screw rod 303 to rotate through the stretching transmission belt 302, the stretching screw rod 303 rotates to enable the sliding frame 306 to slide along the sliding groove and the sliding rail 307 on the second supporting plate 207, the sliding frame 306 slides to stretch the tape measure, after the setting is completed, the stretching motor 301 is reversed to enable the sliding frame 306 to reset, and meanwhile the upper clamping rod 311 and the lower clamping rod 315 are reset to loosen the clamping of the tape measure through the pressure reduction of the upper hydraulic cylinder 308 and the lower hydraulic cylinder 313.

The turnover assembly 4 further comprises a sliding plate 401 and a mounting plate 403, the sliding plate 401 is slidably connected to the upper clamping sliding groove 310, a pressing rod 402 is fixedly connected to the sliding plate 401, the pressing rod 402 is slidably connected to the second supporting plate 207, the mounting plate 403 is slidably connected to the lower hydraulic rod 314, a sliding rod 404 is fixedly connected to the mounting plate 403, the sliding rod 404 is slidably connected to the bottom plate 101, a first end of a supporting spring 405 is fixedly connected to the mounting plate 403, and a second end of the supporting spring 405 is fixedly connected to the bottom plate 101.

The turnover assembly 4 further comprises a rotating pendulum shaft 410, the rotating pendulum shaft 410 is rotationally connected to the mounting plate 403, the rotating pendulum shaft 410 is slidably connected to the swinging rod 409, a belt 411 is frictionally connected to the rotating pendulum shaft 410, the belt 411 is frictionally connected to a turnover motor 412, and the turnover motor 412 is fixedly connected to the mounting plate 403.

As shown in fig. 12, 13 and 14, the supporting spring 405 is in a compressed state, when the sliding frame 306 slides, the sliding plate 401 and the mounting plate 403 are slidably connected with the upper clamping sliding chute 310 and the lower hydraulic rod 314, so that the sliding plate 401 and the mounting plate 403 are kept still, when the sliding frame slides, the upper clamping sliding chute 310 and the lower hydraulic rod 314 drive the sliding plate 401 and the mounting plate 403 to move, when the upper clamping sliding chute 310 moves downwards, the sliding plate 401 drives the pressing rod 402 to move downwards, so that the pressing rod 402 presses the upper part of the tape measure, and simultaneously, the lower hydraulic rod 314 moves upwards, so that the supporting spring 405 pushes the mounting plate 403 to move upwards, the mounting plate 403 moves upwards to enable the flap 406 to be closely attached to the lower part of the tape measure, after the clamping is completed and the flap 406 is closely attached to the lower part of the tape measure, the turning motor 412 is started, the turning motor 412 drives the rotating swing shaft 410 to rotate through the belt 411, one end connected with the swing rod 409 slides on the swing rod 409, so that the swing rod 409 swings, the swing rod 409 swings to drive the swing gear 408 to rotate, and the driving gear 407 rotates, so that the flap 406 turns, so that the flap 406 presses upwards, and the flap 406, thus the flap 406, and the flap 406 repeatedly turns.

After the detection is completed, the flipping motor 412 is turned off, and then the pressing lever 402 and the mounting plate 403 are reset by clamping and resetting, and when the mounting plate 403 is reset, the mounting plate 403 pushes the slide bar 404 to slide and recompress the supporting spring 405.

The application method of the quality detection device of the metering instrument comprises the following steps:

step one: the tape is manually placed on the placement frame 108, then the pushing motor 102 is started to enable the pushing block 107 to slide towards the fixed disc 112, the tape is pushed to be clamped between the four fixed rods 113, then the pushing motor 102 is reversed to enable the pushing block 107 to reset, and then the handle 116 is manually rotated to enable the hook of the tape to face the chain 205.

Step two: the rebound motor 201 is started to enable the chain 205 to move, the electromagnet 208 is driven to slide downwards against the adjusting plate 210 by the movement of the chain 205, the electromagnet 208 attracts the rule hook after sliding to the rule hook position, and then the electromagnet 208 pulls the rule hook to move to one end of the chain 205 close to the overturning motor 412 by the chain 205. The electromagnet 208 is then de-energized, causing the hook to retract, thus repeatedly enabling the detection of the resilience of the tape measure.

Step three: when the turnover performance detection is required, the ruler hook is stretched to a position close to the turnover motor 412 through the electromagnet 208, then the upper hydraulic cylinder 308 and the lower hydraulic cylinder 313 are started, the lower clamping rod 315 and the upper clamping rod 311 clamp the measuring tape in the middle, then the electromagnet 208 is powered off and the turnover motor 412 is started, so that the turnover plate 406 turns upwards, and the turnover performance of the measuring tape is detected.

Step four: after the turnover detection is finished, the stretching motor 301 is started, so that the sliding frame 306 slides towards the turning plate 406, and the measuring tape is stretched, and the stretching performance of the measuring tape is detected.

Working principle: when the measuring tape is used, the measuring tape to be detected is firstly placed on the placing frame 108, then the pushing motor 102 is started, the pushing motor 102 drives the pushing screw 106 to move, the pushing screw 106 moves to drive the pushing block 107 to slide and compress the pushing spring 109 on one side of the pushing block 107, the pushing block 107 slides to push the measuring tape to move to the middle of the four fixing rods 113, the fixing rods 113 clamp the measuring tape through the fixing springs 114, after the measuring tape is tightly attached to the fixing disc 112, the pushing motor 102 is reversed, the pushing screw 106 is reset, the pushing spring 109 pushes the pushing block 107 to reset after the pushing screw 106 is reset, the handle 116 is manually rotated after the pushing block 107 is reset, the fixing disc 112 rotates, and the fixing disc 112 rotates to adjust the hook to one side of the electromagnet 208.

After the direction of the tape hook is adjusted, the rebound motor 201 is started, the rebound motor 201 moves to enable the chain 205 to move, the installation block 206 is driven to move through the movement of the chain 205, the installation block 206 moves to drive the electromagnet 208 to move, the electromagnet 208 adsorbs the tape hook after moving to the adsorption position, then the tape hook is pulled to move to the other end of the chain 205 through the movement of the chain 205, the electromagnet 208 is powered off after the tape hook reaches the other end, so that the tape hook is separated from adsorption, the tape is retracted, after the tape is retracted, the chain 205 drives the other electromagnet 208 to move to the adsorption position, the adsorption is repeated, and the rebound resilience detection of the tape is realized.

When the tensile property and the turnover property are required to be detected, the rebound motor 201 is started, the tape hook is pulled to pull out the tape measure through the electromagnet 208, when the tape measure reaches one end of the chain 205 close to the sliding plate 401, the upper hydraulic cylinder 308 and the lower hydraulic cylinder 313 are started, the upper hydraulic cylinder 308 and the lower hydraulic cylinder 313 drive the upper clamping rod 311 and the lower clamping rod 315 to clamp the tape measure, the upper clamping sliding chute 310 and the lower hydraulic rod 314 drive the sliding plate 401 and the mounting plate 403 to move during clamping, after clamping is completed, the tension motor 301 is started, the tension motor 301 drives the tension screw 303 to rotate through the tension transmission belt 302, the tension screw 303 drives the sliding frame 306 to slide, the tensile property detection of the tape measure is realized through the sliding side of the sliding frame 306, and simultaneously after clamping is completed, the overturning motor 412 drives the rotation pendulum shaft 410 to rotate through the belt 411. The swinging shaft 410 is rotated to drive the swinging rod 409 to swing, the swinging gear 408 is driven to swing through the swinging rod 409, and the swinging gear 408 drives the turning plate 406 to turn over through the transmission gear 407, so that the turning performance detection of the measuring tape is realized.

After the test is completed, the device resets and then reverses the pushing motor 102, so that the pushing screw rod 106 moves towards the direction of the placing frame 108, the pushing screw rod 106 moves towards the direction of the placing frame 108 to drive the pushing rod 111 to slide towards the direction of the placing frame 108, and the pushing rod 111 slides towards the direction of the placing frame 108 to push out the tape measure.

Claims (9)

1. The utility model provides a quality testing device of measuring instrument, includes propulsion unit (1), resilience subassembly (2), tensile subassembly (3) and turns over a subassembly (4), its characterized in that: the propulsion component (1) comprises a fixed disc (112), the fixed disc (112) is rotationally connected to a first supporting plate (204), fixed rods (113) are slidably connected to the fixed disc (112), four fixed rods (113) are arranged, first ends of fixed springs (114) are fixedly connected to the fixed rods (113), second ends of the fixed springs (114) are fixedly connected to the fixed disc (112), an adjusting belt (115) is frictionally connected to the fixed disc (112), the adjusting belt (115) is also frictionally connected to a handle (116), the handle (116) is rotationally connected to the first supporting plate (204), the rebound component (2) comprises a mounting block (206), first ends of the mounting block (206) are rotationally connected to a chain (205), second ends of the mounting block (206) are slidably connected to a second supporting plate (207), the second supporting plate (207) is fixedly connected to a base plate (101), second ends of the mounting block (206) are slidably connected to electromagnets (208), first ends of the electromagnets (209) are fixedly connected to electromagnets (208), second ends of the electromagnets (209) are fixedly connected to the electromagnets (209), the second ends of the electromagnets (209) are fixedly connected to two clamping brackets (310) respectively, go up sliding connection on clamping runner (310) and go up clamping lever (311), go up fixedly connected with clamping lever spring (312) first end on clamping lever (311), clamping lever spring (312) second end fixed connection is last clamping runner (310), turn over subassembly (4) including turning over board (406), turning over board (406) rotate connect on mounting panel (403), fixedly connected with drive gear (407) on turning over board (406), drive gear (407) meshing swing gear (408), swing gear (408) fixed connection is on swing lever (409), swing lever (409) rotate and connect on mounting panel (403).

2. The mass detection device of a metrology instrument of claim 1, wherein: the propulsion assembly (1) further comprises a bottom plate (101), a propulsion motor (102) is fixedly connected to the bottom plate (101), a first gear (103) is fixedly connected to the propulsion motor (102), the first gear (103) is meshed with a second gear (104), the second gear (104) is rotationally connected to the fixing groove (105), the fixing groove (105) is fixedly connected to the bottom plate (101), and the second gear (104) is further in threaded connection to the propulsion screw rod (106).

3. A quality inspection device for a metering instrument according to claim 2, wherein: the utility model discloses a propulsion lead screw (106) is gone up to rotate and is connected with propulsion piece (107) and release lever (111), propulsion piece (107) sliding connection is on fixed slot (105) and rack (108), rack (108) fixed connection is on bottom plate (101), the first end of fixedly connected with propulsion spring (109) on rack (108), the second end of propulsion spring (109) rotates to be connected on propulsion ring (110), propulsion ring (110) rotates to be connected on propulsion lead screw (106), propulsion spring (109) are provided with two, the first end fixed connection of another propulsion spring (109) is on release lever (111), release lever (111) sliding connection is on fixed slot (105) and fixed disk (112).

4. The mass detection device of a metrology instrument of claim 1, wherein: the rebound assembly (2) further comprises a rebound motor (201) and an adjusting plate (210), the rebound motor (201) is fixedly connected to the bottom plate (101), a rebound transmission belt (202) is connected to the rebound motor (201) in a friction mode, the rebound transmission belt (202) is further connected to the rotating shafts (203) in a friction mode, the rotating shafts (203) are arranged to be four, the rotating shafts (203) are rotationally connected to the first supporting plates (204), the first supporting plates (204) are fixedly connected to the bottom plate (101), chains (205) are connected to the rotating shafts (203) in a friction mode, the adjusting plate (210) is connected to the first supporting plates (204) in a sliding mode, the first ends of adjusting plate springs (211) are fixedly connected to the adjusting plate (210), and the second ends of the adjusting plate springs (211) are fixedly connected to the first supporting plates (204).

5. The mass detection device of a metrology instrument of claim 1, wherein: the stretching assembly (3) further comprises a stretching motor (301), the stretching motor (301) is fixedly connected to the bottom plate (101), a stretching transmission belt (302) is connected to the stretching motor (301) in a friction mode, the stretching transmission belt (302) is connected to the stretching screw rod (303) in a friction mode, the stretching screw rod (303) is connected to the supporting frame (304) in a rotating mode, the supporting frame (304) is fixedly connected to the bottom plate (101), the stretching screw rod (303) is connected to the first end of the fixing frame (305) in a rotating mode, the second end of the fixing frame (305) is fixedly connected to the sliding rail (307), the first end of the sliding frame (306) is connected to the sliding rail (307) in a threaded mode, the sliding rail (307) is fixedly connected to the bottom plate (101), and the sliding frame (306) is connected to the second supporting plate (207) in a sliding mode.

6. The mass detection device of a metrology instrument of claim 1, wherein: the stretching assembly (3) further comprises two upper hydraulic cylinders (308) and two lower hydraulic cylinders (313), the two upper hydraulic cylinders (308) are respectively and fixedly connected to the fixing frame (305) and the sliding frame (306), the upper hydraulic rods (309) are connected to the upper hydraulic cylinders (308) in a sliding mode, the upper hydraulic rods (309) are fixedly connected to the upper clamping sliding grooves (310), the two lower hydraulic cylinders (313) are respectively and fixedly connected to the fixing frame (305) and the sliding frame (306), the lower hydraulic rods (314) are connected to the lower hydraulic cylinders (313) in a sliding mode, and the lower clamping rods (315) are fixedly connected to the lower hydraulic rods (314).

7. The mass detection device of a metrology instrument of claim 1, wherein: the folding assembly (4) further comprises a sliding plate (401) and a mounting plate (403), the sliding plate (401) is slidably connected to the upper clamping sliding groove (310), a pressing rod (402) is fixedly connected to the sliding plate (401), the pressing rod (402) is slidably connected to the second supporting plate (207), the mounting plate (403) is slidably connected to the lower hydraulic rod (314), a sliding rod (404) is fixedly connected to the mounting plate (403), the sliding rod (404) is slidably connected to the bottom plate (101), a first end of a supporting spring (405) is fixedly connected to the mounting plate (403), and a second end of the supporting spring (405) is fixedly connected to the bottom plate (101).

8. The mass detection device of a metrology instrument of claim 1, wherein: the turnover assembly (4) further comprises a rotating pendulum shaft (410), the rotating pendulum shaft (410) is rotationally connected to the mounting plate (403), the rotating pendulum shaft (410) is slidably connected to the swinging rod (409), a belt (411) is connected to the rotating pendulum shaft (410) in a friction mode, the belt (411) is further connected to the overturning motor (412) in a friction mode, and the overturning motor (412) is fixedly connected to the mounting plate (403).

9. A method of using a mass detection device for a metrology instrument according to any one of claims 1 to 8, the method of using comprising:

step one: manually placing the tape measure on the placement frame (108), starting the pushing motor (102) to enable the pushing block (107) to slide towards the direction of the fixed disc (112), pushing the tape measure to be clamped between the four fixed rods (113), reversing the pushing motor (102) to enable the pushing block (107) to reset, and manually rotating the handle (116) to enable a tape hook of the tape measure to be opposite to the chain (205);

step two: and starting the rebound motor (201) to enable the chain (205) to move, driving the electromagnet (208) to cling to the adjusting plate (210) to slide downwards through the movement of the chain (205), enabling the electromagnet (208) to absorb the ruler hook after sliding to the ruler hook position, and enabling the electromagnet (208) to pull the ruler hook to move to one end, close to the overturning motor (412), of the chain (205) through the chain (205). Then the electromagnet (208) is powered off, so that the tape hook is retracted, and the rebound resilience of the tape measure is repeatedly detected;

step three: when the turnover performance detection is required, the ruler hook is stretched to a position close to the turnover motor (412) through the electromagnet (208), then the upper hydraulic cylinder (308) and the lower hydraulic cylinder (313) are started, so that the lower clamping rod (315) and the upper clamping rod (311) clamp the measuring tape in the middle, then the electromagnet (208) is powered off, and the turnover motor (412) is started, so that the turnover plate (406) is turned upwards, and the turnover performance of the measuring tape is detected;

step four: after the turnover detection is finished, the stretching motor (301) is started, so that the sliding frame (306) slides towards the turning plate (406), and the tape is stretched, and the stretching performance of the tape is detected.