Electrically-driven shell depth static measurement equipment

Abstract

The utility model provides an electrically-driven shell depth static measuring device which comprises a shell junction surface measuring unit, a shell clamping unit, a floating unit, a floating locking unit, an output bearing end chamber measuring unit, a middle bearing end chamber measuring unit, an input bearing end chamber measuring unit, a first connecting plate, a connecting seat and a mounting seat. The shell joint surface measuring unit is mounted on the lower end surface of the connecting plate I, and is used for measuring and positioning the shell joint surface; according to the technical scheme of the utility model, the housing combination surface, the housing output bearing end chamber, the housing middle bearing end chamber and the housing input bearing end chamber are measured, and then the measurement is carried out by means of the special standard component. A relative measurement principle is used to calculate each depth from the housing junction surface to the housing output bearing end chamber, from the housing junction surface to the housing intermediate bearing end chamber, and from the housing junction surface to the housing input bearing end chamber.

Description

TECHNICAL FIELD

[0001] The utility model relates to static measuring equipment technical field especially relates to a kind of electric drive shell deep static measuring equipment. BACKGROUND

[0002] In mechanical manufacturing industry, bearing hole end face distance is an important size parameter, which determines the installation position of bearing and the cooperation clearance with adjacent parts. Therefore, the accurate measurement of bearing hole end face distance is crucial to ensure the performance and stability of mechanical equipment.

[0003] The prior art is as follows: bearing hole end face distance measuring mechanism (CN220508000U)

[0004] The utility model relates to bearing hole end face distance measuring mechanism, including the lifting seat that is driven lifting by external lifting mechanism, and the floating seat is supported on the top surface of lifting seat by floating mechanism;The middle part of lifting seat is through from top to bottom, and the bottom surface of floating seat extends the accurate positioning piece that passes through lifting seat downwards, and the pre-positioning pin is installed on the bottom surface of accurate positioning piece;The bottom surface of floating seat inside accurate positioning piece is installed with measuring head, and the clamping mechanism is installed on the floating seat outside accurate positioning piece in circumferential direction, and the clamping surface of clamping mechanism is located below accurate positioning piece and measuring head;The bottom end of pre-positioning pin is close to and probes into the positioning hole orifice of the top surface of the measured shell below until pre-positioning is completed, and the measured shell is hooked up and clamped from below to above by clamping mechanism, accurate positioning piece and measured shell are adapted to complete accurate positioning, and measuring head is triggered to measure the bearing hole end face of measured shell to be measured, to complete the automatic, rapid measurement of the distance between the bearing hole end face of measured shell to be measured and the bottom surface of measured shell, accurate, reliable and stable.

[0005] The existing technology has certain deviation in the machining precision of electric drive shell, which causes the inaccuracy of measurement precision and the high manufacturing cost of equipment. UTILITY MODEL CONTENTS

[0006] To overcome the above problems existing in the prior art, the utility model provides an electric drive shell deep static measuring equipment.

[0007] The utility model discloses an electric drive shell deep static measurement equipment, including shell joint surface measurement unit, shell clamping unit, floating unit, floating locking unit, output bearing end chamber measurement unit, intermediate bearing end chamber measurement unit, input bearing end chamber measurement unit, connecting plate no.

[0008] On this basis, the joint surface measurement unit includes support block, rhombic pin, cylindrical pin, probe no.

[0009] On this basis, the floating unit includes connecting plate no.

[0010] On this basis, the adjusting mechanism includes adjusting block, bolt no.

[0011] On this basis, the floating mechanism includes connecting block no.

[0012] On this basis, the output bearing end chamber measuring unit, the intermediate bearing end chamber measuring unit and the input bearing end chamber measuring unit adopt modular design, the output bearing end chamber measuring unit comprises a measuring block, a connecting plate four, a floating shaft, a connecting plate five, a probe four, a limiting bolt one, a connecting shaft, a connecting seat one, a limiting block one, a limiting block two, a nut, a limiting bolt two, a mounting block, a proximity sensor, a ball, a spring one, a bolt four, a bushing one, a spring two, a bushing two and a connecting shaft one, the bushing one is installed to the lower end surface of the connecting seat one, the upper end surface of the connecting seat one is installed with the bushing two, three bolt fours are installed to the lower end surface of the connecting seat one, the spring two is sleeved into the floating shaft, the floating shaft is sleeved from the lower end of the connecting seat one upwards, the floating shaft is provided with a limiting groove, the limiting block two is installed to the upper end of the floating shaft, the limiting block two is connected with the floating shaft through the nut, the connecting shaft is installed to the lower end surface of the connecting seat one, the lower end surface of the connecting shaft is connected to the upper end surface of the connecting plate five, the limiting bolt one is installed to the lower end surface of the connecting plate five, the upper end surface of the connecting plate four is installed to the lower end surface of the floating shaft, the spring one is installed to the measuring block, the ball is placed to the upper end surface of the measuring block, the measuring block is connected with the connecting plate four through the connecting shaft one, the floating angle range of the measuring block is -1°~1°, the probe four is installed to the connecting plate five, the lower end surface of the mounting block is installed to the upper end surface of the connecting plate two, the limiting bolt two is installed to the upper end surface of the mounting block, the upper end surface of the connecting seat one is installed to the lower end surface of the connecting plate two, the limiting block two is installed to the side surface of the connecting seat one and is arranged in the limiting groove of the floating shaft, and is used for preventing the floating shaft from rotating; finally, the proximity sensor is installed to the side surface of the mounting block.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] (1) through measuring the shell joint surface, the shell output bearing end chamber, the shell intermediate bearing end chamber and the shell input bearing end chamber, and then measuring the special standard part, the relative measuring principle is used to calculate the depth of each part from the shell joint surface to the shell output bearing end chamber, the shell intermediate bearing end chamber and the shell input bearing end chamber; the upper and lower end surfaces of the connecting plate two are connected with the intermediate end of the floating mechanism, the connecting plate two is floated in X / Y / Z directions through the floating mechanism; two or more adjusting mechanisms are arranged in X / Y directions respectively, which are used for adjusting X / Y directions in the equipment debugging stage; during the debugging process, when the floating mechanism needs to be adjusted, the ideal position can be reached by pulling the bolt one and pushing the bolt two; the connecting plate two is floated in X / Y directions through the thrust bearing one and the thrust bearing two, and is floated in Z direction through the two disc springs;

[0015] (2) the output bearing end chamber measuring unit, the intermediate bearing end chamber measuring unit and the input bearing end chamber measuring unit adopt modular design, which can save design time and processing cost, thereby reducing the equipment cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the structural schematic diagram of the electric drive shell deep static measurement equipment of the utility model;

[0017] Figure 2 is the structural schematic diagram of the shell product of the utility model;

[0018] Figure 3 is the shell joint surface measurement unit structure diagram of the utility model;

[0019] Figure 4 is the floating unit structure diagram of the utility model;

[0020] Figure 5 is the side view of one perspective of the floating unit of the utility model;

[0021] Figure 6 is the side view of another perspective of the floating unit of the utility model;

[0022] Figure 7 is the output bearing end chamber measurement unit structure diagram of the utility model;

[0023] Figure 8 is the side view of the output bearing end chamber measurement unit of the utility model;

[0024] In the figure: 100, shell joint surface measurement unit, 200, shell clamping unit, 300, floating unit, 400, floating locking unit, 500, output bearing end chamber measurement unit, 600, intermediate bearing end chamber measurement unit, 700, input bearing end chamber measurement unit, 801, connecting plate one, 802, connecting seat, 803, mounting seat,

[0025] 101, support block, 102, diamond pin, 103, cylindrical pin, 104, probe one, 105, probe two, 106, probe three,

[0026] 301, connecting plate two, 302, adjusting mechanism, 303, floating mechanism, 304, connecting plate three, 3021, adjusting block, 3022, bolt one, 3023, bolt two,

[0027] 3031, connecting block one, 3032, thrust bearing one, 3033, connecting block two, 3034, shaft, 3035, connecting block three, 3036, thrust bearing two, 3037, connecting block four, 3038, disc spring, 3039, connecting block five, 30310, bolt three,

[0028] 501, measuring block, 502, connecting plate four, 503, floating shaft, 504, connecting plate five, 505, probe four, 506, limit bolt one, 507, connecting shaft, 508, connecting seat one, 509, limit block one, 510, limit block two, 511, nut, 512, limit bolt two, 513, mounting block, 514, proximity sensor, 515, ball, 516, spring one, 517, bolt four, 518, bushing one, 519, spring two, 520, bushing two, 521, connecting shaft one,

[0029] 901, housing joint surface, 902, housing output bearing end chamber, 903, housing intermediate bearing end chamber, 904, housing input bearing end chamber, 905, positioning hole one, 906, positioning hole two. DETAILED DESCRIPTION

[0030] The utility model will be further explained in detail in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the utility model.

[0031] A kind of housing product, reference Figure 2 Positioning hole one 905 and positioning hole two 906 are used to position housing, housing joint surface 901 is used as mounting face, housing output bearing end chamber 902, housing intermediate bearing end chamber 903, housing input bearing end chamber 904 are used to install bearing, the utility model is used to measure the depth of housing joint surface 901 to housing output bearing end chamber 902, housing joint surface 901 to housing intermediate bearing end chamber 903, housing joint surface 901 to housing input bearing end chamber 904, by measuring housing joint surface 901, measuring housing output bearing end chamber 902, measuring housing intermediate bearing end chamber 903, measuring housing input bearing end chamber 904, then combining to specially-made standard piece is measured, utilize relative measurement principle to calculate the depth of each housing joint surface 901 to housing output bearing end chamber 902, housing joint surface 901 to housing intermediate bearing end chamber 903, housing joint surface 901 to housing input bearing end chamber 904.

[0032] Reference Figure 1 , Figures 3-8The utility model discloses an electric drive shell deep static measuring equipment, including shell joint surface measuring unit 100, shell clamping unit 200, floating unit 300, floating locking unit 400, output bearing end chamber measuring unit 500, intermediate bearing end chamber measuring unit 600, input bearing end chamber measuring unit 700, connecting plate one 801, connecting seat 802, mounting seat 803, shell joint surface measuring unit 100 is installed to the lower end surface of connecting plate one 801, and shell joint surface measuring unit 100 carries out measurement and positioning to shell joint surface, four shell clamping units 200 are installed to the upper end surface of connecting plate one 801, and four shell clamping units 200 are used for clamping to shell, floating unit 300 is installed to the upper end surface of mounting seat 803, and the lower end surface of connecting plate two 301 in floating unit 300 is connected with the upper end surface of connecting seat 802, and mounting seat 803 can be fixed or slip, and shell joint surface measuring unit 100 can be through floating unit 300 and carry out X / Y / Z direction floating, the upper end surface of connecting plate two 301 is connected with the lower end surface of floating locking unit 400, and its function is used for fixing the X / Y direction of floating unit 300, the lower end surface of connecting plate two 301 is connected with the upper end surface of output bearing end chamber measuring unit 500, intermediate bearing end chamber measuring unit 600, input bearing end chamber measuring unit 700, and output bearing end chamber measuring unit 500, intermediate bearing end chamber measuring unit 600, input bearing end chamber measuring unit 700 are used for measuring shell output bearing end chamber 902, shell intermediate bearing end chamber 903, shell input bearing end chamber 904, output bearing end chamber measuring unit 500, intermediate bearing end chamber measuring unit 600, input bearing end chamber measuring unit 700 adopt universal floating structure and be used for solving the problem of insufficient shell machining precision, in conclusion, through floating unit 300 drive shell joint surface measuring unit 100, shell clamping unit 200, output bearing end chamber measuring unit 500, intermediate bearing end chamber measuring unit 600, input bearing end chamber measuring unit 700, connecting plate one 801, connecting seat 802 carry out X / Y / Z direction floating, then through the universal floating of output bearing end chamber measuring unit 500, intermediate bearing end chamber measuring unit 600, input bearing end chamber measuring unit 700, the shell depth measurement accuracy is better, the equipment stability is higher, and the measurement efficiency is improved.

[0033] The joint surface measuring unit 100 comprises a support block 101, a rhombic pin 102, a cylindrical pin 103, a probe one 104, a probe two 105, and a probe three 106. The rhombic pin 102 and the cylindrical pin 103 are installed on the upper end surface of the support block 101, and are used for positioning the shell. The rhombic pin 102 and the cylindrical pin 103 are used for positioning the positioning hole one 905 and the positioning hole two 906. The probe one 104, the probe two 105, and the probe three 106 are installed on the lower end surface of the support block 101. The upper end probes of the probe one 104, the probe two 105, and the probe three 106 are higher than the upper end surface of the support block 101, and are used for measuring the joint surface 901 of the shell. The measuring principle adopts a three-point measurement method. The support block 101 is installed on the upper end surface of the connecting plate one 801.

[0034] The floating unit 300 comprises a connecting plate two 301, an adjusting mechanism 302, a floating mechanism 303, and a connecting plate three 304. The lower end surface of the connecting plate three 304 is connected with the mounting seat 803. The upper end surface of the connecting plate three 304 is connected with the lower end surface of the floating mechanism 303. The middle end of the floating mechanism 303 is connected with the upper and lower end surfaces of the connecting plate two 301. The connecting plate two 301 is floated in the X / Y / Z directions through the floating mechanism 303. Two or more adjusting mechanisms 302 are arranged in the X / Y directions, and are used for adjusting the X / Y directions in the equipment debugging stage.

[0035] The adjusting mechanism 302 comprises an adjusting block 3021, a bolt one 3022, and a bolt two 3023. The adjusting block 3021 is provided with a threaded hole and a through hole. The bolt two 3023 is screwed in the threaded hole of the adjusting block 3021. The bolt one 3022 passes through the through hole of the adjusting block 3021, and is screwed into the threaded hole of the connecting plate three 304. In the debugging process, when the floating mechanism 300 is adjusted, the ideal position can be reached by pulling the bolt one 3022 and pushing the bolt two 3023.

[0036] The floating mechanism 303 comprises a connecting block one 3031, a thrust bearing one 3032, a connecting block two 3033, a shaft 3034, a connecting block three 3035, a thrust bearing two 3036, a connecting block four 3037, a disc spring 3038, a connecting block five 3039, a bolt three 30310, the lower end surface of the connecting block one 3031 is provided with the upper end surface of a connecting plate three 304, the upper end surface of the connecting block one 3031 is placed with the thrust bearing one 3032, the upper end surface of the thrust bearing one 3032 is placed with the connecting block two 3033, the upper end surface of the connecting block two 3033 is connected with the connecting plate two 301, the upper end surface of the connecting plate two 301 is provided with the connecting block three 3035, the upper end surface of the connecting block three 3035 is provided with the thrust bearing two 3036, the upper end surface of the thrust bearing two 3036 is provided with the connecting block four 3037, the upper end surface of the connecting block four 3037 is provided with two disc springs 3038, the shaft 3034 is sleeved into the holes of the connecting block one 3031, the thrust bearing one 3032, the connecting block two 3033, the connecting block three 3035, the thrust bearing two 3036, the connecting block four 3037, the disc spring 3038 and the connecting plate two 301, and the connecting block five 3039 and the shaft 3034, the connecting plate three 304 are fixed through the bolt three 30310, and the connecting plate two 301 is floated in X / Y directions through the thrust bearing one 3032 and the thrust bearing two 3036, and the connecting plate two 301 is floated in Z direction through the two disc springs 3038.

[0037] The output bearing end chamber measuring unit 500, the intermediate bearing end chamber measuring unit 600 and the input bearing end chamber measuring unit 700 adopt a modular design, which can save design time and processing cost, thereby reducing equipment cost. The output bearing end chamber measuring unit 500 is taken as an example. The output bearing end chamber measuring unit 500 comprises a measuring block 501, a connecting plate four 502, a floating shaft 503, a connecting plate five 504, a probe four 505, a limiting bolt one 506, a connecting shaft 507, a connecting seat one 508, a limiting block one 509, a limiting block two 510, a nut 511, a limiting bolt two 512, a mounting block 513, a proximity sensor 514, a ball 515, a spring one 516, a bolt four 517, a bushing one 518, a spring two 519, a bushing two 520 and a connecting shaft one 521. The bushing one 518 is mounted to the lower end surface of the connecting seat one 508. The bushing two 520 is mounted to the upper end surface of the connecting seat one 508. Three bolt fours 517 are mounted to the lower end surface of the connecting seat one 508, which are used to prevent the bushing one 518 from falling off. The spring two 519 is sleeved into the floating shaft 503. The floating shaft 503 is sleeved from the lower end of the connecting seat one 508 to the upper end. The floating shaft 503 is provided with a limiting groove. The limiting block two 510 is mounted to the upper end of the floating shaft 503. The nut 511 connects the limiting block two 510 and the floating shaft 503. Three connecting shafts 507 are distributed and mounted to the lower end surface of the connecting seat one 508. The lower end surfaces of the three connecting shafts 507 are connected to the upper end surface of the connecting plate five 504. The limiting bolt one 506 is mounted to the lower end surface of the connecting plate five 504, which is used to prevent unnecessary loss caused by hard collision of the probe four 505. The upper end surface of the connecting plate four 502 is mounted to the lower end surface of the floating shaft 503. Three spring ones 516 are distributed and mounted to the measuring block 501. The ball 515 is placed on the upper end surface of the measuring block 501. The measuring block 501 is connected with the connecting plate four 502 through three connecting shafts one 521, which can be universally floated. The floating angle range of the measuring block 501 is -1°-1°. Three probe fours 505 are distributed and mounted to the connecting plate five 504. The three probe fours 505 measure the measuring block 501. The indirect measurement method and the three-point measurement principle are used to measure the shell output bearing end chamber 902. The lower end surface of the mounting block 513 is mounted to the upper end surface of the connecting plate two 301. The limiting bolt two 512 is mounted to the upper end surface of the mounting block 513. The upper end surface of the connecting seat one 508 is mounted to the lower end surface of the connecting plate two 301. The limiting block two 510 is mounted to the side surface of the connecting seat one 508 and in the limiting groove of the floating shaft 503, which is used to prevent the floating shaft 503 from rotating. Finally, the proximity sensor 514 is mounted to the side surface of the mounting block 513, which is used to detect the floating function of the floating shaft 503.

[0038] In the description of the utility model, it is understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0039] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection", "pad setting" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the person skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0040] The above description shows and describes the preferred embodiments of the utility model, as mentioned before, it should be understood that the utility model is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, and can be used in various other combinations, modifications and environments, and can be changed by the above teaching or related technical or knowledge within the scope of the utility model conceived in the present application.The changes and variations made by the person skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the protection scope of the claims attached to the utility model.

Claims

1. An electrically driven shell depth static measuring device, characterized by: The application relates to a casing joint surface measuring unit, which comprises a casing joint surface measuring unit (100), a casing clamping unit (200), a floating unit (300), a floating locking unit (400), an output bearing end chamber measuring unit (500), an intermediate bearing end chamber measuring unit (600), an input bearing end chamber measuring unit (700), a connecting plate one (801), a connecting seat (802) and a mounting seat (803), the casing joint surface measuring unit (100) is installed to the lower end face of the connecting plate one (801), and the casing joint surface measuring unit (100) measures and positions the casing joint surface; four casing clamping units (200) are installed to the upper end face of the connecting plate one (801), and the casing clamping units (200) are used for clamping the casing; the floating unit (300) is installed to the upper end face of the mounting seat (803), the mounting seat (803) is connected with the connecting seat (802) through the floating unit (300), the mounting seat (803) can be fixed or slid, and the floating unit (300) is connected with the output bearing end chamber measuring unit (500), the intermediate bearing end chamber measuring unit (600) and the input bearing end chamber measuring unit (700).

2. The electrically driven housing depth static measurement apparatus of claim 1, wherein: The casing joint surface measuring unit (100) comprises a supporting block (101), a rhombic pin (102), a cylindrical pin (103), a probe one (104), a probe two (105) and a probe three (106), the rhombic pin (102) and the cylindrical pin (103) are installed to the upper end face of the supporting block (101), the probe one (104), the probe two (105) and the probe three (106) are installed to the lower end face of the supporting block (101), the upper end probes of the probe one (104), the probe two (105) and the probe three (106) are higher than the upper end face of the supporting block (101), and the supporting block (101) is installed to the upper end face of the connecting plate one (801).

3. The electrically driven housing depth static measurement apparatus of claim 1, wherein: The floating unit (300) comprises a connecting plate two (301), an adjusting mechanism (302), a floating mechanism (303) and a connecting plate three (304), the lower end face of the connecting plate three (304) is connected with the mounting seat (803), the upper end face of the connecting plate three (304) is connected with the lower end face of the floating mechanism (303), the middle end of the floating mechanism (303) is connected with the upper and lower end faces of the connecting plate two (301), and two or more adjusting mechanisms (302) are arranged in X / Y directions.

4. The electrically driven housing depth static measurement apparatus of claim 3, wherein: The adjusting mechanism (302) comprises an adjusting block (3021), a bolt one (3022) and a bolt two (3023), the adjusting block (3021) is provided with a threaded hole and a through hole, the bolt two (3023) is screwed into the threaded hole of the adjusting block (3021), and the bolt one (3022) is connected with the threaded hole of the connecting plate three (304) through the through hole of the adjusting block (3021).

5. The electrically driven housing depth static measurement apparatus of claim 2, wherein: The floating mechanism (303) comprises a connecting block one (3031), a thrust bearing one (3032), a connecting block two (3033), a shaft (3034), a connecting block three (3035), a thrust bearing two (3036), a connecting block four (3037), disc springs (3038), a connecting block five (3039) and bolts three (30310), the lower end surface of the connecting block one (3031) is arranged on the upper end surface of the connecting plate three (304), the upper end surface of the connecting block one (3031) is placed with the thrust bearing one (3032), the upper end surface of the thrust bearing one (3032) is placed with the connecting block two (3033), the upper end surface of the connecting block two (3033) is connected with the connecting plate two (301), the upper end surface of the connecting plate two (301) is arranged with the connecting block three (3035), the upper end surface of the connecting block three (3035) is arranged with the thrust bearing two (3036), the upper end surface of the thrust bearing two (3036) is arranged with the connecting block four (3037), the upper end surface of the connecting block four (3037) is arranged with two disc springs (3038), the shaft (3034) is sequentially sleeved into the holes of the connecting block one (3031), the thrust bearing one (3032), the connecting block two (3033), the connecting block three (3035), the thrust bearing two (3036), the connecting block four (3037), the disc springs (3038) and the connecting plate two (301), the connecting block five (3039) is fixed with the shaft (3034) and the connecting plate three (304) through the bolts three (30310).

6. The electrically driven housing depth static measurement apparatus of claim 2, wherein: The output bearing end chamber measuring unit (500) comprises a measuring block (501), a connecting plate four (502), a floating shaft (503), a connecting plate five (504), a probe four (505), a limiting bolt one (506), a connecting shaft (507), a connecting seat one (508), a limiting block one (509), a limiting block two (510), a nut (511), a limiting bolt two (512), a mounting block (513), a proximity sensor (514), a ball (515), a spring one (516), a bolt four (517), a bushing one (518), a spring two (519), a bushing two (520) and a connecting shaft one (521), the bushing one (518) is installed to the lower end surface of the connecting seat one (508), the upper end surface of the connecting seat one (508) is installed with the bushing two (520), the lower end surface of the connecting seat one (508) is installed with three bolt fours (517), the spring two (519) is sleeved into the floating shaft (503), the floating shaft (503) is sleeved upwards from the lower end of the connecting seat one (508), the floating shaft (503) is provided with a limiting groove, the upper end of the floating shaft (503) is installed with the limiting block two (510), the limiting block two (510) is connected with the floating shaft (503) through the nut (511), the connecting shaft (507) is installed to the lower end surface of the connecting seat one (508), the lower end surface of the connecting shaft (507) is connected to the upper end surface of the connecting plate five (504), the lower end surface of the connecting plate five (504) is installed with the limiting bolt one (506), the upper end surface of the connecting plate four (502) is installed to the lower end surface of the floating shaft (503), the spring one (516) is installed to the measuring block (501), the upper end surface of the measuring block (501) is placed with the ball (515), the measuring block (501) is connected with the connecting plate four (502) through the connecting shaft one (521), the floating angle range of the measuring block (501) is -1°-1°, the probe four (505) is installed to the connecting plate five (504), the lower end surface of the mounting block (513) is installed to the upper end surface of the connecting plate two (301), the upper end surface of the mounting block (513) is installed with the limiting bolt two (512), the upper end surface of the connecting seat one (508) is installed to the lower end surface of the connecting plate two (301), the limiting block two (510) is installed to the side surface of the connecting seat one (508) and arranged in the limiting groove of the floating shaft (503), and the proximity sensor (514) is installed to the side surface of the mounting block (513).

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