阅读说明：本技术 一种可调的自动传输记录长度测量仪 (Adjustable automatic transmission record length measuring instrument ) 是由 张黔 于 2021-01-27 设计创作，主要内容包括：本发明公开了一种可调的自动传输记录长度测量仪,包括箱体,所述箱体内固定设置有开口向上的支撑块滑槽,所述支撑块滑槽内滑动连接有测量支撑块,所述测量支撑块底面与所述支撑块滑槽之间固定连接有支撑伸缩气囊,所述测量支撑块内设置有利用气体传输对应长度数据的气动测量机构,所述气动测量机构包括上下均匀固定设置于所述测量支撑块内的五个测量蓄气腔,所述测量蓄气腔内滑动连接有测量活塞,所述测量活塞右端固定设置有测量滑杆,本发明能够在测量同个物体不同距离处的长度时利用伸缩杆及感应器自动进行基准标齐、通过控制传输带的间歇传动自动进行物体的传输及自动进行测量时的卡紧定位,利用气体进行长度测量及刻度标示保存。(The invention discloses an adjustable automatic transmission record length measuring instrument, which comprises a box body, wherein a supporting block chute with an upward opening is fixedly arranged in the box body, a measuring supporting block is connected in the supporting block chute in a sliding manner, a supporting telescopic air bag is fixedly connected between the bottom surface of the measuring supporting block and the supporting block chute, a pneumatic measuring mechanism for transmitting corresponding length data by using gas is arranged in the measuring supporting block, the pneumatic measuring mechanism comprises five measuring gas storage cavities which are uniformly and fixedly arranged in the measuring supporting block from top to bottom, a measuring piston is connected in the measuring gas storage cavities in a sliding manner, and a measuring slide rod is fixedly arranged at the right end of the measuring piston. And utilizing gas to measure the length and mark and store the scales.)

1. The utility model provides an adjustable automatic transmission record length measuring apparatu, includes the box, its characterized in that: a supporting block chute with an upward opening is fixedly arranged in the box body, a measuring supporting block is connected in the supporting block chute in a sliding manner, a supporting telescopic air bag is fixedly connected between the bottom surface of the measuring supporting block and the supporting block chute, a pneumatic measuring mechanism for transmitting corresponding length data by using gas is arranged in the measuring supporting block, the pneumatic measuring mechanism comprises five measuring air storage cavities which are uniformly and fixedly arranged in the measuring supporting block from top to bottom, a measuring piston is connected in the measuring air storage cavities in a sliding manner, a measuring slide bar is fixedly arranged at the right end of the measuring piston, a ball is connected at the right end of the measuring slide bar in a rolling manner, a movable air pipe is fixedly arranged at the left end wall of the measuring air storage cavity, a movable sealing device is arranged at the left end of the movable air pipe in a power manner, an air, gas circuit supporting shoe top surface sliding connection has adsorption equipment, evenly adsorb fixedly around the adsorption equipment top surface and be provided with five registration display pipes, the fixed ascending transmission trough of opening that is provided with of slide bar spout right-hand member wall, be provided with the transmission belting in the transmission trough, box right-hand member top surface is provided with the alignment mechanism who utilizes the response to carry out the benchmark and align, alignment mechanism including fixed set up in the box top surface just is located the alignment supporting shoe on transmission trough right side, the alignment supporting shoe left end is fixed and is provided with the opening slider spout that aligns to the left, sliding connection has the slider that aligns in the slider spout that aligns, transmission trough front and back lateral symmetry is provided with two inductors.

2. The adjustable automatic transmission record length measuring instrument according to claim 1, characterized in that: the bottom end of the supporting telescopic air bag is fixedly provided with a connecting air pipe, the left end of the connecting air pipe is provided with an intermittent transmission recording device mechanism, the left end wall of the measuring air storage cavity is fixedly provided with an air supplementing pipe which is positioned at the upper side of the movable air pipe and the rear end of which is communicated with the outside, the right end wall of the supporting block chute is fixedly provided with a slide bar chute with a left opening and capable of being in sliding connection with the ball, the inside of the number indicating display pipe is fixedly provided with a number indicating groove, the number indicating groove is in sliding connection with an indicating disc, the bottom surface of the indicating disc is connected with the number indicating groove through an indicating disc spring, the bottom wall of the number indicating groove is fixedly provided with a top pipe with a downward opening, the opening of the slide bar chute is upward, the front and the rear of the top end of the adsorption device are uniformly and fixedly, the alignment slide block right-hand member face with align and evenly be provided with three and align the telescopic link from top to bottom between the slide groove, the fixed backup pad that is located of box top surface front and back symmetry, the backup pad is close to fixedly on the terminal surface of transmission trough of belt be provided with the inductor, it presses down the object mechanism to be provided with in the alignment slide block.

3. The adjustable automatic transmission record length measuring instrument according to claim 1, characterized in that: the gas circuit mechanism comprises a fixed connecting pipe fixedly arranged in a gas circuit supporting block, the fixed connecting pipe can be communicated with a movable gas pipe, a fixed sealing device is arranged at the right end of the fixed connecting pipe in a power mode, a sliding pipe sliding groove with an upward opening is fixedly arranged at the top end of the gas circuit supporting block, a sliding pipe is connected in the sliding pipe sliding groove in a sliding mode, a telescopic pipe is connected between the bottom end of the sliding pipe and the top end of the fixed connecting pipe, two device guide rails are fixedly arranged on the top surface of the gas circuit supporting block in a bilateral symmetry mode, device guide grooves with downward openings are fixedly arranged on the bottom end of the adsorption device in a bilateral symmetry mode.

4. An adjustable automatic transmission record length measuring instrument according to claim 2, characterized in that: the intermittent transmission recording device mechanism comprises a spring block fixedly arranged on the top surface of the rear end of the gas circuit supporting block, the rear end surface of the adsorption device is connected with the spring block through an adsorption device spring, a pull rope is fixedly arranged on the front end surface of the adsorption device, the bottom end of the pull rope sequentially bypasses a winding roller, two top winding wheels symmetrically arranged front and back and two bottom winding wheels symmetrically arranged front and back and is fixedly connected with the bottom surface of the lifting piston, the telescopic pipe is arranged in a top winding wheel cavity, the bottom winding wheels are arranged in a bottom winding device cavity, a winding roller groove with an upward opening is fixedly arranged at the top end of the front part of the gas circuit supporting block, a winding roller shaft is fixedly arranged between the left end wall and the right end wall of the winding roller groove and is rotatably connected with the winding roller, a lifting air pressure cavity is fixedly arranged at the left end, the lifting electric guide rail is in power sliding connection with the left end and the right end of the lifting piston.

5. An adjustable automatic transmission record length measuring instrument according to claim 2, characterized in that: the time-delay preservation marking mechanism comprises a front end wall, a rear end wall, an inclined block chute, an inclined block spring, a front end wall, a rear end wall, an opening and a rear end wall, wherein the front end wall and the rear end wall of the bottom pipe are symmetrically and fixedly arranged on the front end wall and the rear end wall of the bottom pipe, the opening is arranged on the inclined block chute of the bottom pipe, the inclined block chute is internally and slidably connected with the inclined block.

6. An adjustable automatic transmission record length measuring instrument according to claim 2, characterized in that: the object pressing mechanism comprises a pressing plate guide groove fixedly arranged at the left end of the bottom of the aligning sliding block and provided with a left opening, a pressing block guide rail is fixedly arranged at the right end of the pressing plate guide groove and is connected with the right end of the pressing plate in a sliding mode, the pressing plate is arranged in a pressing plate sliding groove with a downward opening and is connected with the pressing plate sliding groove in a sliding mode, the top surface of the pressing plate is connected with the pressing plate sliding groove through a pressing plate telescopic air bag, an air pipe is fixedly arranged at the top end of the pressing plate telescopic air bag and is connected with an air pump in a power mode.

Technical Field

The invention relates to the related technical field of measuring instruments, in particular to an adjustable automatic transmission record length measuring instrument.

Background

The measuring instrument is a third-party standard required for measuring in order to obtain certain attribute values of a target object, generally has units such as scales and volumes, and the basic content of the concept of the measuring instrument comprises the following components: precision, error, measurement standard equipment, length measurement, angle measurement, shape measurement, traditional optical instruments.

The length measuring device at the present stage needs manual reference alignment, object transmission and clamping positioning during measurement when measuring the length of the same object at different distances, the efficiency is low, the measuring device is complex, and the measured data cannot be well stored.

Disclosure of Invention

Aiming at the technical defects, the invention provides an adjustable automatic transmission record length measuring instrument which can overcome the defects.

The invention relates to an adjustable automatic transmission record length measuring instrument, which comprises a box body, wherein a supporting block chute with an upward opening is fixedly arranged in the box body, a measuring supporting block is connected in the supporting block chute in a sliding manner, a supporting telescopic air bag is fixedly connected between the bottom surface of the measuring supporting block and the supporting block chute, a pneumatic measuring mechanism for transmitting corresponding length data by using gas is arranged in the measuring supporting block, the pneumatic measuring mechanism comprises five measuring gas storage cavities which are uniformly and fixedly arranged in the measuring supporting block from top to bottom, a measuring piston is connected in the measuring gas storage cavities in a sliding manner, a measuring slide bar is fixedly arranged at the right end of the measuring piston, a ball is connected at the right end of the measuring slide bar in a rolling manner, a movable gas pipe is fixedly arranged at the left end wall of the measuring gas storage cavities, a, the gas circuit mechanism is characterized in that a gas circuit mechanism for supporting the feeding and connecting gas circuit of the measurement display tube is arranged in the gas circuit supporting block, an adsorption device is slidably connected to the top surface of the gas circuit supporting block, five indicating display tubes are uniformly and fixedly arranged on the front and back of the top surface of the adsorption device, a transmission belt groove with an upward opening is fixedly arranged on the right end wall of the sliding rod chute, a transmission belt device is arranged in the transmission belt groove, an alignment mechanism for performing reference alignment by utilizing induction is arranged on the top surface of the box body, the alignment mechanism comprises an alignment supporting block fixedly arranged on the top surface of the box body and positioned on the right side of the transmission belt groove, an alignment sliding block sliding groove with a leftward opening is fixedly arranged on the left end.

Preferably, a connecting air pipe is fixedly arranged at the bottom end of the supporting telescopic air bag, an intermittent transmission recording device mechanism is arranged at the left end of the connecting air pipe, an air supplement pipe which is positioned at the upper side of the movable air pipe and the rear end of which is communicated with the outside is fixedly arranged at the left end wall of the measuring air storage cavity, a slide bar chute which is provided with a left opening and can be slidably connected with the ball is fixedly arranged at the right end wall of the support block chute, a number display groove is fixedly arranged in the number display pipe, an indication disc is slidably connected in the number display groove, the bottom surface of the indication disc is connected with the number display groove through an indication disc spring, a top pipe with a downward opening is fixedly arranged at the bottom wall of the number display groove, the slide bar chute is provided with an upward opening, five bottom pipes which are communicated up and down and are positioned at the lower side of the top pipe are, the alignment slide block right-hand member face with align and evenly be provided with three and align the telescopic link from top to bottom between the slide groove, the fixed backup pad that is located of box top surface front and back symmetry, the backup pad is close to fixedly on the terminal surface of transmission trough of belt be provided with the inductor, it presses down the object mechanism to be provided with in the alignment slide block.

Preferably, the gas circuit mechanism includes a fixed connection pipe fixedly arranged in the gas circuit support block, the fixed connection pipe can be communicated with the movable gas pipe, a fixed sealing device is arranged at the right end of the fixed connection pipe in a power mode, a sliding pipe sliding groove with an upward opening is fixedly arranged at the top end of the gas circuit support block, a sliding pipe is connected in the sliding pipe sliding groove in a sliding mode, a telescopic pipe is connected between the bottom end of the sliding pipe and the top end of the fixed connection pipe, two device guide rails are fixedly arranged on the top surface of the gas circuit support block in a bilateral symmetry mode, device guide grooves with a downward opening are fixedly arranged on the bottom end of the adsorption device in a bilateral symmetry mode.

Preferably, the intermittent transmission recording device mechanism comprises a spring block fixedly arranged on the top surface of the rear end of the gas circuit supporting block, the rear end surface of the adsorption device is connected with the spring block through an adsorption device spring, a pull rope is fixedly arranged on the front end surface of the adsorption device, the bottom end of the pull rope sequentially bypasses a winding roller, two top winding wheels symmetrically arranged front and back and two bottom winding wheels symmetrically arranged front and back and is fixedly connected with the bottom surface of the lifting piston, the telescopic pipe is arranged in a top winding wheel cavity, the bottom winding wheels are arranged in a bottom winding device cavity, a winding roller groove with an upward opening is fixedly arranged at the top end of the front part of the gas circuit supporting block, a winding roller shaft is fixedly arranged between the left end wall and the right end wall of the winding roller groove and is rotatably connected with the winding roller, a lifting air pressure cavity is fixedly arranged at the left end of, the lifting electric guide rail is in power sliding connection with the left end and the right end of the lifting piston.

Preferably, the time-delay preservation marking mechanism comprises a front end wall and a rear end wall of the bottom pipe, wherein the front end wall and the rear end wall of the bottom pipe are symmetrically and fixedly arranged in the front and rear direction, the opening of the front end wall and the opening of the rear end wall of the bottom pipe is arranged on an inclined block sliding groove of the bottom pipe, an inclined block is connected in the inclined block sliding groove in a sliding mode, and the inclined block is far away from the end surface of the.

Preferably, press down object mechanism including fixed set up in align slider bottom left end and opening clamp plate guide way to the left, the fixed briquetting guide rail that is provided with of clamp plate guide way right-hand member, briquetting guide rail and clamp plate right-hand member sliding connection, the clamp plate set up in the decurrent clamp plate spout of opening and rather than sliding connection, the clamp plate top surface with connect through the flexible gasbag of clamp plate between the clamp plate spout, the fixed trachea that is provided with in clamp plate flexible gasbag top, the trachea is connected with air pump power, the fixed clamp plate atmospheric pressure chamber that is provided with in trachea top.

The beneficial effects are that: the device can automatically perform reference alignment by using the telescopic rod and the inductor when measuring the lengths of the same object at different distances, automatically perform object transmission by controlling the intermittent transmission of the transmission belt and automatically perform clamping and positioning when measuring by using the pneumatic pressing block, has high efficiency and improved automation level, performs length measurement and scale marking by using gas, has simple measuring device result and low maintenance cost, can store the measured data at different distances, and has more lasting and guaranteed result.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of an adjustable automatic transmission recording length measuring instrument according to the present invention;

FIG. 2 is a schematic view of A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of the structure at C in fig. 2 according to the embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to an adjustable automatic transmission record length measuring instrument, which comprises a box body 10, wherein a supporting block sliding groove 37 with an upward opening is fixedly arranged in the box body 10, a measuring supporting block 12 is connected in the supporting block sliding groove 37 in a sliding manner, a supporting telescopic air bag 38 is fixedly connected between the bottom surface of the measuring supporting block 12 and the supporting block sliding groove 37, a pneumatic measuring mechanism for transmitting corresponding length data by using gas is arranged in the measuring supporting block 12, the pneumatic measuring mechanism comprises five measuring air storage cavities 11 which are uniformly and vertically arranged in the measuring supporting block 12, measuring pistons 13 are connected in the measuring air storage cavities 11 in a sliding manner, measuring slide rods 14 are fixedly arranged at the right ends of the measuring pistons 13, balls 15 are connected at the right ends of the measuring slide rods 14 in a rolling manner, and movable air pipes 50 are fixedly arranged, the left end of the movable air pipe 50 is provided with a movable closing device 51, the top surface of the box body 10 is fixedly provided with an air path supporting block 43, an air path mechanism for supporting the feeding of the measurement display pipe and connecting an air path is arranged in the air path supporting block 43, the top surface of the air path supporting block 43 is connected with an adsorption device 70 in a sliding manner, five index display pipes 46 are uniformly and fixedly adsorbed and arranged on the front and back of the top surface of the adsorption device 70, the right end wall of the slide bar chute 32 is fixedly provided with a transmission belt slot 17 with an upward opening, a transmission belt device 16 is arranged in the transmission belt slot 17, the top surface of the right end of the box body 10 is provided with an alignment mechanism for performing reference alignment by induction, the alignment mechanism comprises an alignment supporting block 30 fixedly arranged on the top surface of the, an alignment slide block 27 is connected in the alignment slide block sliding groove 29 in a sliding mode, and two inductors 19 are symmetrically arranged on the front side and the rear side of the transmission belt groove 17.

Beneficially, a connecting air tube 36 is fixedly arranged at the bottom end of the supporting telescopic air bag 38, an intermittent transmission recording device mechanism is arranged at the left end of the connecting air tube 36, an air supplement tube 68 which is positioned at the upper side of the movable air tube 50 and the rear end of which is communicated with the outside is fixedly arranged at the left end wall of the measuring air storage chamber 11, a slide bar chute 32 which is opened leftwards and can be slidably connected with the ball 15 is fixedly arranged at the right end wall of the supporting block chute 37, a number display groove 47 is fixedly arranged in the number display tube 46, an indication plate 58 is slidably connected in the number display groove 47, the bottom surface of the indication plate 58 is connected with the number display groove 47 through an indication plate spring 57, a top tube 63 with a downward opening is fixedly arranged at the bottom wall of the number display groove 47, the slide bar chute 32 is opened upwards, five bottom tubes 62 which are communicated up and down and positioned at the lower side of, the utility model discloses a transmission trough 17, including bottom tube 62, alignment slider 27, backup pad 18, bottom tube 27, alignment slider spout 29, bottom tube downside is provided with the time delay and preserves marking mechanism, alignment slider 27 right-hand member face with it evenly is provided with three alignment telescopic links 28 from top to bottom to align between the slider spout 29, the fixed backup pad 18 that is located transmission trough 17 front and back side that is provided with of symmetry around the box 10 top surface, backup pad 18 is close to it is fixed to be provided with on the terminal surface of transmission trough 17 inductor 19, it is.

Beneficially, the air path mechanism includes a fixed connection pipe 53 fixedly disposed in the air path support block 43, the fixed connection pipe 53 can be communicated with the movable air pipe 50, a fixed closing device 52 is dynamically disposed at the right end of the fixed connection pipe 53, a slide pipe chute 55 with an upward opening is fixedly disposed at the top end of the air path support block 43, a slide pipe 49 is slidably connected in the slide pipe chute 55, an extension pipe 54 is connected between the bottom end of the slide pipe 49 and the top end of the fixed connection pipe 53, two device guide rails 56 are fixedly disposed on the top surface of the air path support block 43 in a bilateral symmetry manner, device guide grooves 48 with a downward opening are fixedly disposed at the bottom end of the adsorption device 70 in a bilateral symmetry manner, and the device guide grooves 48 are slidably connected.

Advantageously, the intermittent transmission recording device mechanism comprises a spring block 44 fixedly arranged on the top surface of the rear end of the air path supporting block 43, the rear end surface of the adsorption device 70 is connected with the spring block 44 through an adsorption device spring 45, the front end surface of the adsorption device 70 is fixedly provided with a pull rope 42, the bottom end of the pull rope 42 is fixedly connected with the bottom surface of the lifting piston 35 after sequentially bypassing the winding roller 40, two top reels 64 symmetrically arranged front and back and two bottom reels 66 symmetrically arranged front and back, the telescopic pipe 54 is arranged in a top reel cavity 65, the bottom reels 66 are arranged in a bottom reel cavity 67, the top end of the front part of the air path supporting block 43 is fixedly provided with a winding roller groove 41 with an upward opening, a winding roller shaft 39 is fixedly arranged between the left end wall and the right end wall of the winding roller groove 41, the winding roller shaft 39 is rotatably connected with the winding roller 40, and the left end of, two lifting electric guide rails 34 are symmetrically and fixedly arranged on the left end wall and the right end wall of the lifting air pressure cavity 33, and the lifting electric guide rails 34 are in power sliding connection with the left end and the right end of the lifting piston 35.

Advantageously, the time-delay preservation marking mechanism comprises inclined block sliding grooves 59 which are symmetrically and fixedly arranged at the front end wall and the rear end wall of the bottom tube 62 in a front-back mode and open towards the bottom tube 62, inclined blocks 60 are slidably connected in the inclined block sliding grooves 59, and the end faces, far away from the bottom tube 62, of the inclined blocks 60 are connected with the inclined block sliding grooves 59 through inclined block springs 61.

Beneficially, the object pressing mechanism comprises a pressing plate guide groove 20 which is fixedly arranged at the left end of the bottom of the alignment sliding block 27 and has a leftward opening, a pressing block guide rail 31 is fixedly arranged at the right end of the pressing plate guide groove 20, the pressing block guide rail 31 is connected with the right end of the pressing plate 22 in a sliding manner, the pressing plate 22 is arranged in a pressing plate sliding groove 24 with a downward opening and is connected with the pressing plate sliding groove 24 in a sliding manner, the top surface of the pressing plate 22 is connected with the pressing plate sliding groove 24 through a pressing plate telescopic air bag 23, an air pipe 21 is fixedly arranged at the top end of the pressing plate telescopic air bag 23, the air pipe 21 is in power.

In the initial state, the supporting expansion airbag 38 is in the stretched state, the indicator spring 57, the aligning expansion link 28, the expansion pipe 54, the adsorption device spring 45, the rear four sets of the swash block springs 61 and the pressure plate expansion airbag 23 are in the normal state, and the front swash block spring 61 is in the compressed state;

sequence of mechanical actions of the whole device:

1. placing an object on a transmission belt device 16, blocking the induction between a front side inductor 19 and a rear side inductor 19, starting the transmission belt device 16 to intermittently transmit the object to be measured, controlling the transmission belt device 16 to stop when each object to be measured is measured, controlling an air pump 25 to start, transmitting the air in a pressure plate air pressure cavity 26 into a pressure plate telescopic air bag 23 through an air pipe 21, so that the pressure plate telescopic air bag 23 extends downwards, so that a pressure plate 22 moves downwards to press the top end of the area with the length to be measured of the object, controlling three alignment telescopic rods 28 to extend leftwards, so that an alignment slide block 27 moves leftwards, driving the object to move leftwards to the front side inductor 19 to mutually induce, thereby completing the datum alignment, and controlling the alignment telescopic rods 28 to stop extending;

2. after the datum alignment is completed, the left end of the length area to be measured at the first measurement position pushes the ball 15 at the bottommost end to move leftward for a corresponding length distance, after the datum alignment of the length area to be measured at each subsequent position is completed, the lifting piston 35 is controlled to move upward for a corresponding distance, so that quantitative gas in the supporting telescopic air bag 38 is pumped into the lifting gas pressure cavity 33 through the connecting gas pipe 36, the supporting telescopic air bag 38 contracts for a corresponding distance, the measuring supporting block 12 is made to move downward until the adjacent ball 15 at the upper side moves downward to the left side of the length area to be measured at the corresponding position, the fixed sealing device 52 and the movable sealing device 51 are started to be in sealing connection, so that the left end of the length area to be measured is in sliding connection with the ball 15, the corresponding ball 15 is pushed to move leftward for a corresponding length distance, and the corresponding measuring piston 13 is made, starting the lifting electric guide rail 34, controlling the lifting piston 35 to move upwards by a corresponding distance so as to enable the pull rope 42 to pull the adsorption device 70 to move forwards by a corresponding distance, thereby enabling the bottom pipe 62 adjacent to the rear side to move to the upper side position of the fixed connecting pipe 53, further enabling the sliding pipe 49 to be in sliding connection with the bottom pipe 62 under the action of the telescopic pipe 54, measuring the length distance corresponding to the leftward movement of the piston 13 so as to squeeze the corresponding amount of gas in the corresponding length distance of the measurement gas storage cavity 11 into the corresponding number display groove 47 through the movable gas pipe 50, the fixed connecting pipe 53, the telescopic pipe 54, the sliding pipe 49, the corresponding bottom pipe 62 and the corresponding top pipe 63, further enabling the indicating disc 58 to move upwards by a corresponding distance to corresponding scales, and further measuring and recording length data of each position;

3. when the device needs to reset, after the measured data is recorded, the air pump 25 and the conveyor belt device 16 are closed, so that each moving part stops moving, the object is taken down, the lifting piston 35 is controlled to move downwards to the bottommost position through the lifting electric guide rail 34, so that the supporting telescopic air bag 38 extends, so that the measuring supporting block 12 moves upwards, the lifting piston 35 moves downwards to the bottommost position, so that the adsorption device 70 moves backwards to the rearmost position under the reset action of the spring block 44, five air supplementing pipes 68 are controlled to supplement air pumped into the corresponding measuring air storage cavity 11, the adsorption device 70 is closed, five indicating number display pipes 46 are taken down, the air in the indicating number display groove 47 is discharged, so that each indicating disc 58 moves downwards to the bottommost position, and the device finishes resetting.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.