CN110360976B - Multifunctional connecting rod comprehensive measuring instrument - Google Patents
Multifunctional connecting rod comprehensive measuring instrument Download PDFInfo
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- CN110360976B CN110360976B CN201910541711.2A CN201910541711A CN110360976B CN 110360976 B CN110360976 B CN 110360976B CN 201910541711 A CN201910541711 A CN 201910541711A CN 110360976 B CN110360976 B CN 110360976B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
- G01B21/24—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes for testing alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention relates to a multifunctional connecting rod comprehensive measuring instrument, and belongs to the technical field of precision equipment. One of the measurement and control frames is fixed, the other measurement and control frame can be adjusted in position left and right, measurement and control discs on the two measurement and control frames can rotate to drive required measuring heads fixed on the measurement and control frames to rotate to a specified position, the size and the number of the measuring heads can be set according to actual requirements to be combined in various ways to adapt to connecting rods with different aperture sizes, and in addition, the measurement direction of a throttling hole is controlled through rotation of a rotary measurement sleeve so as to adapt to different oil groove distributions of the connecting rods. The invention has the advantages of multi-direction, different hole distances and different hole diameters, cleanness, no pollution, simple structure and good market application prospect.
Description
Technical Field
The invention relates to a multifunctional connecting rod comprehensive measuring instrument, and belongs to the technical field of precision equipment.
Background
With the rapid development of manufacturing industry, the improvement of scientific and technological systems is accelerated and promoted in China, the development of high-technology content and high-added-value industries is promoted, the rapid development of high-end manufacturing fields is realized, the automation degree is continuously improved, the market value of high-precision and low-cost measuring equipment is more and more obvious, the types of connecting rods of an engine are extremely large, the oil groove distribution, the aperture size and the length of each connecting rod are different, and the connecting rod comprehensive measuring instrument in the market at present needs to be customized according to parameters passing through the connecting rods. The updating of the product also needs to re-order the measuring equipment, which causes great waste.
Disclosure of Invention
In order to solve the problems, the invention designs a multifunctional connecting rod comprehensive measuring instrument which realizes the measurement of different connecting rods by rotating and replacing the measuring directions of a side head and a throttling small hole and the center distance between measuring heads.
The technical scheme adopted by the invention is as follows: a multifunctional connecting rod comprehensive measuring instrument comprises a box body 1, a polished rod 2, a lead screw 3, a guide rail 4, a cylinder 5, a motor 6, a first measuring and controlling frame 7, a connecting sleeve 8, a main shaft 9, a sliding bearing 10, a porous bearing 11, a first measuring and controlling disc 12, a second measuring and controlling disc 13, a first measuring head 14, an air inlet channel 15, a positioning block 16, a second measuring and controlling disc 17, a second measuring and controlling frame 18, a positioning groove 19, an air outlet hole 24 and an air floating channel 26;
the first measurement and control frame 7 and the second measurement and control frame 18 are fixed in the box body 1, wherein the second measurement and control frame 18 can slide left and right along the box body 1, the first measurement and control disc 12 and the second measurement and control disc 17 are respectively fixed in the first measurement and control frame 7 and the second measurement and control frame 18, a plurality of first measuring heads 14 which are uniformly distributed and have different apertures are fixed on the first measurement and control disc 12, a plurality of second measuring heads 13 which are uniformly distributed and have different apertures are fixed on the second measurement and control disc 17, the first measurement and control disc 12 and the second measurement and control disc 17 have the same structure, the first measurement and control disc 12 can slide up and down and rotate along the first measurement and control frame 7, the second measurement and control disc 17 can slide up and down and rotate along the second measurement and control frame 18, the first measuring head 14 and the second measuring head 13 have the same structure, and the air outlet directions of the surfaces of the first measuring head 14 and the second;
vertical air inlet channels 15 are formed in the first measuring and controlling frame 7 and the second measuring and controlling frame 18, the upper ends of the air inlet channels 15 can be communicated with air holes of the first measuring head 14 and the second measuring head 13, and the lower ends of the air inlet channels 15 are connected with an external air supply device through air pipes.
The surfaces of the first measurement and control disk 12 and the second measurement and control disk 17 are both provided with air outlet holes 24, the air outlet holes 24 are located at the periphery of the first measuring head 14, and the air outlet holes 24 are communicated to a through hole in the center of the first measurement and control disk 12 through an internal air floatation channel 26.
Further, the first measurement and control disc 12 is fixed in the first measurement and control frame 7 through a porous bearing 11, the bottom of the first measurement and control disc 12 is connected with the upper end of the main shaft 9, the main shaft 9 is fixed in the first measurement and control frame 7 through a sliding bearing 10, the lower end of the main shaft 9 is connected with a piston rod of the air cylinder 5 through a connecting sleeve 8, the air cylinder 5 is fixed at the bottom of the first measurement and control frame 7, a positioning block 16 is fixed on the surface of the first measurement and control frame 7, a positioning groove 19 is formed in the edge of the first measurement and control disc 12, the positioning block 16 is matched with the positioning groove 19, and the positioning groove 19 is located on the outer side of the first measuring head 14 and corresponds to; .
Further, the first measuring head 14 comprises a locking cap 14-1, a rotary measuring sleeve 14-2, a rubber sealing ring 14-3, a measuring head column 14-4, a measuring head air passage 14-5, a pressure equalizing groove 14-6, a small throttling hole 14-7 and an arc-shaped air groove 14-8, the rotary measuring sleeve 14-2 is sleeved outside the measuring head column 14-4 and is screwed through the locking cap 14-1 at the upper end, the bottom of the measuring head column 14-4 is fixed in the first measuring and controlling disc 12, a plurality of measuring head air passages 14-5 are vertically arranged in the measuring head column 14-4, the bottom end of the measuring head air passage 14-5 is flush with the bottom of the measuring head column 14-4, an air inlet channel 15 can be embedded in the measuring head air passage 14-5, the top end of the measuring head air passage 14-5 is communicated to the arc-shaped air groove 14-8 corresponding to the surface of the measuring head column 14-4 through a plurality of branch air, a certain interval is reserved between the circular arc-shaped air grooves 14-8, the measuring head column 14-4 is sleeved with a rubber sealing ring 14-3 to seal the rotary measuring sleeve 14-2 and the measuring head column 14-4, meanwhile, the rubber sealing ring 14-3 is fixed in the interval between the circular arc-shaped air grooves 14-8, a small throttling hole 14-7 is formed in the surface of the rotary measuring sleeve 14-2 and used for exhausting air, the small throttling hole 14-7 is communicated with the circular arc-shaped air grooves 14-8, a pressure equalizing groove 14-6 is further formed in the outer surface of the rotary measuring sleeve 14-2, and the pressure equalizing groove 14-6 is located on the periphery of the small throttling hole 14-7.
Further, be provided with polished rod 2 and lead screw 3 in the box 1, polished rod 2 and lead screw 3 pass the second respectively and observe and control frame 18 and fix it, the one end of lead screw 3 links to each other with the output shaft of motor 6, still is provided with slide rail 4 in the box 1, and slide rail 4 is located the bottom of second observing and controlling frame 18.
Further, the air floating channel 26 includes a circular cylindrical sealing groove surrounding the periphery of the first measuring head 14, an upper surface of the circular cylindrical sealing groove is flush with the surface of the first measuring and controlling disk 12, an even number of air outlet holes 24 are formed in the upper surface of the circular cylindrical sealing groove, and the bottom of the circular cylindrical sealing groove is connected to the through hole in the center of the first measuring and controlling disk 12 through a radial channel.
Furthermore, the measuring head air passages 14-5 are uniformly distributed in the measuring head column 14-4, the measuring head air passages 14-5 are not intersected, and the upper part of the measuring head air passage 14-5 is communicated to the arc-shaped air groove 14-8 corresponding to the surface of the measuring head column 14-4 through a plurality of vertically parallel branch air passages.
Furthermore, the central angle of the circular arc-shaped air groove 14-8 is 0-84 degrees.
The working principle of the invention is as follows: one of the measurement and control frames is fixed, the other measurement and control frame can be adjusted in position left and right, measurement and control discs on the two measurement and control frames can rotate to drive required measuring heads fixed on the measurement and control frames to rotate to a specified position, the size and the number of the measuring heads can be set according to actual requirements to be combined in various ways to adapt to connecting rods with different aperture sizes, and in addition, the measurement direction of a throttling hole is controlled through rotation of a rotary measurement sleeve so as to adapt to different oil groove distributions of the connecting rods.
The invention has the beneficial effects that: the invention has the advantages of simple structure, low cost, cleanness, no pollution, wide measuring range of the connecting rod and high measuring precision.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a diagram of a probe profile according to the present invention;
FIG. 3 is an enlarged view of a portion of the vent connection of the present invention;
FIG. 4 is a schematic view of the structure of the air outlet holes on the surface of the measurement and control disk and the internal air-floating channel of the invention;
FIG. 5 is a schematic view of the present invention during workpiece measurement;
fig. 6 is a three-dimensional structure diagram of the probe of the present invention;
FIG. 7 is a three-dimensional view of a pillar seal according to the present invention;
FIG. 8 is a cross-sectional view of a probe according to the present invention;
fig. 9 is a schematic diagram of the probe gas path distribution of the present invention;
FIG. 10 is an air float air path profile of the present invention;
the reference numbers in the figures: the device comprises a box body 1, a polished rod 2, a lead screw 3, a guide rail 4, an air cylinder 5, a motor 6, a first measuring and controlling frame 7, a connecting sleeve 8, a main shaft 9, a sliding bearing 10, a porous bearing 11, a first measuring and controlling disc 12, a second measuring and controlling disc 13, a first measuring and controlling head 14, an air inlet channel 15, a positioning block 16, a second measuring and controlling disc 17, a second measuring and controlling frame 18, a positioning groove 19, a directional button 20, a display 21, a keyboard 22, a measuring display 23, an air outlet hole 24, a workpiece 25, an air floatation channel 26, a locking cap 14-1, a rotary measuring sleeve 14-2, a rubber sealing ring 14-3, a measuring head column 14-4, an air passage measuring head 14-5, a pressure equalizing groove 14-6, a throttling pore 14-7 and an arc-8 air groove.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Example 1: as shown in fig. 1-4, a multifunctional connecting rod comprehensive measuring instrument includes a box 1, a polish rod 2, a lead screw 3, a guide rail 4, a cylinder 5, a motor 6, a first measurement and control frame 7, a connecting sleeve 8, a main shaft 9, a sliding bearing 10, a porous bearing 11, a first measurement and control disc 12, a second measurement and control disc 13, a first measurement and control head 14, an air inlet channel 15, a positioning block 16, a second measurement and control disc 17, a second measurement and control frame 18, a positioning groove 19, an air outlet 24, and an air floating channel 26;
the first measurement and control frame 7 and the second measurement and control frame 18 are fixed in the box body 1, wherein the second measurement and control frame 18 can slide left and right along the box body 1, the first measurement and control disc 12 and the second measurement and control disc 17 are respectively fixed in the first measurement and control frame 7 and the second measurement and control frame 18, a plurality of first measuring heads 14 which are uniformly distributed and have different apertures are fixed on the first measurement and control disc 12, a plurality of second measuring heads 13 which are uniformly distributed and have different apertures are fixed on the second measurement and control disc 17, the first measurement and control disc 12 and the second measurement and control disc 17 have the same structure, the first measurement and control disc 12 can slide up and down and rotate along the first measurement and control frame 7, the second measurement and control disc 17 can slide up and down and rotate along the second measurement and control frame 18, the first measuring head 14 and the second measuring head 13 have the same structure, and the air outlet directions of the surfaces of the first measuring head 14 and the second;
vertical air inlet channels 15 are formed in the first measuring and controlling frame 7 and the second measuring and controlling frame 18, the upper ends of the air inlet channels 15 can be communicated with air holes of the first measuring head 14 and the second measuring head 13, and the lower ends of the air inlet channels 15 are connected with an external air supply device through air pipes.
The surfaces of the first measurement and control disk 12 and the second measurement and control disk 17 are both provided with air outlet holes 24, the air outlet holes 24 are located at the periphery of the first measuring head 14, and the air outlet holes 24 are communicated to a through hole in the center of the first measurement and control disk 12 through an internal air floatation channel 26.
The measuring instrument is also provided with a control part for adjusting and displaying related data, the control part adopts an operating system of the existing connecting rod comprehensive measuring instrument, an operating panel is arranged in the vertical direction of the box body 1, a direction button 20 is arranged on the operating panel, a display 21, a keyboard 22 and a measuring display 23 are arranged on the operating panel, the display 21 and the measuring display 23 are respectively used for displaying input parameters and measuring parameters, the input parameters comprise connecting rod center distance, a connecting rod measuring head 1 and a connecting rod measuring head 2, and the measuring parameters comprise X-axis parallelism, Y-axis parallelism, connecting rod center distance, verticality and roundness.
As shown in fig. 5, when the device is used to measure a workpiece 25, the length of the workpiece 25, the oil groove distribution and the required measuring head aperture are determined, then the adjustment device is started, specifically, after relevant parameters are input on the operation panel, the second measurement and control frame 18 is correspondingly adjusted to a right and left position to match the length of the workpiece 25, the first measurement and control disc 12 slides upwards and slides out along the first measurement and control frame 7 and rotates to drive the first measuring head 14 adapted to the connecting rod aperture to rotate to a corresponding position, the first measurement and control disc 12 slides downwards and is fixed in the first measurement and control frame 7, the air outlet direction of the first measuring head 14 is adjusted to avoid the air outlet direction aligning with the oil groove on the workpiece 25, the second measurement and control disc 17 also performs the same adjustment, the required second measuring head 13 on the second measurement and control disc is adjusted to a proper position, after the adjustment is completed, the workpiece 25 to be measured is put into the device to be measured, the air outlet holes 24 on the first measurement and control disc 12 supply air, and a layer of end surface air flotation is formed between the workpiece 25 and the first measurement and control disc 12, so that the workpiece 25 is not in direct contact with the first measurement and control disc 12, and the workpiece 25 is not in direct contact with the second measurement and control disc 17, and friction is reduced. The measuring device is ventilated, gas enters the first measuring head 14 and the second measuring head 13 through the gas inlet channel 15, then the gas is discharged to reach the surface of the workpiece, and measured data are displayed on the measuring display 23, namely the measurement of the workpiece 25 is completed.
Example 2: in this embodiment, the connection mode between the first measurement and control disk 12 and the first measurement and control rack 7 and the connection mode between the second measurement and control disk 17 and the second measurement and control rack 18 are the same, and the following description is given by using the first measurement and control disk 12 and the first measurement and control rack 7:
as shown in fig. 1, a first measurement and control disc 12 is fixed in a first measurement and control frame 7 through a porous bearing 11, the bottom of the first measurement and control disc 12 is connected with the upper end of a main shaft 9, the main shaft 9 is fixed in the first measurement and control frame 7 through a sliding bearing 10, the lower end of the main shaft 9 is connected with a piston rod of a cylinder 5 through a connecting sleeve 8, the cylinder 5 is fixed at the bottom of the first measurement and control frame 7, a positioning block 16 is fixed on the surface of the first measurement and control frame 7, a positioning groove 19 is formed in the edge of the first measurement and control disc 12, the positioning block 16 is matched with the positioning groove 19, and the positioning groove 19 is located outside the first measuring head 14 and corresponds to the.
When the first measuring head 14 is replaced by rotating the first measuring and controlling disc 12, the first measuring and controlling disc 12 is pushed upwards by the air cylinder 5 through the main shaft 9, the main shaft 9 can reduce friction through the sliding bearing 10, the precision is improved, the porous bearing 11 is sleeved at the bottom of the first measuring and controlling disc 12, the porous bearing 11 is lubricated by oil, the stability is good, the rotation precision is improved, the positioning groove 19 is separated from the positioning block 16, the first measuring and controlling disc 12 is separated from the first measuring and controlling frame 7, the air inlet channel 15 in the first measuring and controlling frame 7 is separated from the air hole in the first measuring head 14, then the first measuring and controlling disc 12 is rotated to drive the first measuring head 14 with a proper size to rotate to a specified position, at the moment, the air cylinder 5 drags the first measuring and controlling disc 12 downwards to reset, the positioning groove 19 is embedded into the positioning block 16, a sealing ring is installed outside the air inlet channel 15, the air.
As shown in fig. 1-2, a polish rod 2 and a lead screw 3 are arranged in the box body 1, the polish rod 2 and the lead screw 3 respectively pass through the second measurement and control frame 18 to be fixed, one end of the lead screw 3 is connected with an output shaft of the motor 6, a slide rail 4 is further arranged in the box body 1, and the slide rail 4 is located at the bottom of the second measurement and control frame 18.
When the center distance of the connecting rod comprehensive measuring instrument is adjusted, the second measuring and controlling frame 18 slides left and right, the second measuring and controlling frame 18 is supported by the polished rod 2 to be more stable, the guide rail 4 at the bottom of the second measuring and controlling frame 18 is matched with the guide rail 4 when the second measuring and controlling frame slides to avoid the suspension stress deformation of the second measuring and controlling frame 18, the motor 6 drives the screw rod 3 to drive the second measuring and controlling frame 18 to move to a designated position, and then the motor 6 is self-locked.
The first measuring head 14 is taken as an example for explanation, as shown in fig. 6-9, the first measuring head 14 includes a locking cap 14-1, a rotary measuring sleeve 14-2, a rubber seal ring 14-3, a measuring head column 14-4, a measuring head air passage 14-5, a pressure equalizing groove 14-6, a throttling pore 14-7 and an arc-shaped air groove 14-8, the rotary measuring sleeve 14-2 is sleeved outside the measuring head column 14-4, the rotary measuring sleeve 14-2 and the measuring head air passage are screwed through the locking cap 14-1 at the upper end, the bottom of the measuring head column 14-4 is fixed in the first measuring and controlling disc 12, a plurality of measuring head air passages 14-5 are vertically arranged in the measuring head column 14-4, the bottom end of the measuring head air passage 14-5 is flush with the bottom of the measuring head column 14-4, the air inlet channel 15 can be embedded into the measuring head air passage 14-5, the top end of the measuring head air passage 14-5 is communicated to the corresponding circular arc-shaped air groove 14-8 on the surface of the measuring head column 14-4 through a plurality of branch air passages, a certain interval is arranged between the circular arc-shaped air grooves 14-8, the measuring head column 14-4 is sleeved with a rubber sealing ring 14-3 to seal the rotating measuring sleeve 14-2 and the measuring head column 14-4, meanwhile, the rubber sealing ring 14-3 is fixed in the interval between the circular arc-shaped air grooves 14-8 to separate and seal the circular arc-shaped air grooves 14-8, so as to prevent the circular arc-shaped air grooves 14-8 from influencing each other and influencing the measuring precision, the surface of the rotating measuring sleeve 14-2 is provided with a throttling small hole 14-7 for air outlet, the throttling small hole 14-7 is communicated to the circular arc-shaped air grooves 14-8, the outer, the pressure equalizing groove 14-6 is positioned at the periphery of the small throttling hole 14-7.
The adjustment of the air outlet direction of the surface of the first measuring head 14 is actually to adjust the measuring direction of the small throttling hole 14-7, and the specific adjustment operation is to unscrew the locking cap 14-1, rotate the outer layer of the rotating measuring sleeve 14-2, rotate the small throttling hole 14-7 on the outer layer to a measurable position, and then screw down the locking cap 14-1.
Example 3: in this embodiment, the first measuring head 14 with 6 different apertures is arranged on the surface of the first measuring and control panel 12, the second measuring head 13 with 6 different apertures is arranged on the surface of the second measuring and control panel 17, 36 different combinations can be obtained through arrangement and combination, the measuring heads can be replaced according to actual needs, and the measuring device is simple and convenient, the measuring range can be increased by the structure, the apertures and the number of the specific first measuring head 14 and the specific second measuring head 13 are set according to actual conditions, and the measurement is more stable and accurate due to the uniform distribution.
As shown in fig. 10, the air floating channel 26 includes a circular cylindrical sealing groove surrounding the periphery of the first measuring head 14, the upper surface of the circular cylindrical sealing groove is flush with the surface of the first measuring and controlling disk 12, an even number of air outlet holes 24 are provided on the upper surface of the circular cylindrical sealing groove, as shown in the figure, 4 air outlet holes 24 are provided, mainly for the purpose of integral balance, and the bottom of the circular cylindrical sealing groove is connected to the through hole in the center of the first measuring and controlling disk 12 through a radial channel.
The measuring head air passage 14-5 is provided with 4 measuring head air passages which are uniformly distributed in the measuring head column 14-4, the measuring head air passages 14-5 are not intersected, the upper part of the measuring head air passage 14-5 is communicated to a circular arc-shaped air groove 14-8 corresponding to the surface of the measuring head column 14-4 through two vertically parallel branch air passages, so that the total number of the two layers is 8 circular arc-shaped air grooves 14-8 and 8 throttling small holes 14-7, the central angle of the circular arc-shaped air groove 14-8 is 0-84 degrees, the corresponding throttling small holes 14-7 can be regulated and controlled in the direction of 0-84 degrees, pressure equalizing grooves 14-6 are distributed on the periphery of the throttling small holes 14-7, the depth of the pressure equalizing grooves 14-6 is 0.2mm, and the width of the pressure equalizing grooves is 0..
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a multi-functional connecting rod comprehensive measuring instrument which characterized in that: the device comprises a box body (1), a polished rod (2), a lead screw (3), a guide rail (4), an air cylinder (5), a motor (6), a first measurement and control frame (7), a connecting sleeve (8), a main shaft (9), a sliding bearing (10), a porous bearing (11), a first measurement and control disc (12), a second measurement and control disc (13), a first measurement and control head (14), an air inlet channel (15), a positioning block (16), a second measurement and control disc (17), a second measurement and control frame (18), a positioning groove (19), an air outlet (24) and an air floatation channel (26);
the first measurement and control frame (7) and the second measurement and control frame (18) are fixed in the box body (1), wherein the second measurement and control frame (18) can slide left and right along the box body (1), the first measurement and control disc (12) and the second measurement and control disc (17) are respectively fixed in the first measurement and control frame (7) and the second measurement and control frame (18), a plurality of first measuring heads (14) with different apertures are uniformly distributed on the first measurement and control disc (12), a plurality of second measuring heads (13) with different apertures are uniformly distributed on the second measurement and control disc (17), the first measurement and control disc (12) and the second measurement and control disc (17) have the same structure, the first measurement and control disc (12) can slide up and down and rotate along the first measurement and control frame (7), the second measurement and control disc (17) can slide up and down and rotate along the second measurement and control frame (18), the first measuring heads (14) and the second measuring heads (13) have the same structure, the air outlet direction of the surfaces of the two can be adjusted;
vertical air inlet channels (15) are formed in the first measurement and control frame (7) and the second measurement and control frame (18), the upper ends of the air inlet channels (15) can be communicated with air holes of the first measuring head (14) and the second measuring head (13), and the lower ends of the air inlet channels (15) are connected with an external air supply device through air pipes;
and air outlet holes (24) are formed in the surfaces of the first measurement and control disc (12) and the second measurement and control disc (17), the air outlet holes (24) are located on the periphery of the first measuring head (14), and the air outlet holes (24) are communicated to a through hole in the center of the first measurement and control disc (12) through an internal air floatation channel (26).
2. The multifunctional connecting rod comprehensive measuring instrument according to claim 1, wherein: first survey and control dish (12) are fixed in first survey and control frame (7) through porous bearing (11), and the bottom of first survey and control dish (12) links to each other with the upper end of main shaft (9), and main shaft (9) are fixed in first survey and control frame (7) through slide bearing (10), and the lower extreme of main shaft (9) passes through the piston rod of adapter sleeve (8) and cylinder (5) and links to each other, and the bottom at first survey and control frame (7) is fixed in cylinder (5), the fixed surface of first survey and control frame (7) has locating piece (16), and constant head tank (19) have been seted up at the edge of first survey and control dish (12), and locating piece (16) and constant head tank (19) cooperation, constant head tank (19) are located the outside of first gauge head (14) and correspond with the position of first gauge head (14).
3. The multifunctional connecting rod comprehensive measuring instrument according to claim 1, wherein: the first measuring head (14) comprises a locking cap (14-1), a rotary measuring sleeve (14-2), a rubber sealing ring (14-3), a measuring head column (14-4), a measuring head air passage (14-5), a pressure equalizing groove (14-6), a small throttling hole (14-7) and an arc-shaped air groove (14-8), the rotary measuring sleeve (14-2) is sleeved outside the measuring head column (14-4) and screwed tightly through the locking cap (14-1) at the upper end, the bottom of the measuring head column (14-4) is fixed in a first measuring and controlling disc (12), a plurality of air passage measuring heads (14-5) are vertically arranged in the measuring head column (14-4), the bottom end of the measuring head air passage (14-5) is flush with the bottom of the measuring head column (14-4), and an air inlet channel (15) can be embedded into the measuring head air passage (14-5), the top end of the measuring head air passage (14-5) is communicated to a corresponding circular arc-shaped air groove (14-8) on the surface of the measuring head column (14-4) through a plurality of branch air passages, a certain interval is arranged between the circular arc-shaped air grooves (14-8), a rubber sealing ring (14-3) is sleeved on the measuring head column (14-4) to seal the rotary measuring sleeve (14-2) and the measuring head column (14-4), meanwhile, the rubber sealing ring (14-3) is fixed in the interval between the circular arc-shaped air grooves (14-8), the surface of the rotary measuring sleeve (14-2) is provided with a small throttling hole (14-7) for air outlet, the small throttling hole (14-7) is communicated with the circular arc-shaped air groove (14-8), the outer surface of the rotary measuring sleeve (14-2) is also provided with a pressure equalizing groove (14-6), and the pressure equalizing groove (14-6) is positioned at the periphery of the small throttling hole (14-7).
4. The multifunctional connecting rod comprehensive measuring instrument according to claim 1, wherein: be provided with polished rod (2) and lead screw (3) in box (1), polished rod (2) and lead screw (3) pass the second respectively and observe and control frame (18) and fix it, the one end of lead screw (3) links to each other with the output shaft of motor (6), still is provided with slide rail (4) in box (1), and slide rail (4) are located the bottom that the second observed and controlled frame (18).
5. The multifunctional connecting rod comprehensive measuring instrument according to claim 1, wherein: the air floatation channel (26) comprises a circular cylindrical sealing groove, the circular cylindrical sealing groove surrounds the periphery of the first measuring head (14), the upper surface of the circular cylindrical sealing groove is flush with the surface of the first measuring and controlling disc (12), an even number of uniformly distributed air outlet holes (24) are formed in the upper surface of the circular cylindrical sealing groove, and the bottom of the circular cylindrical sealing groove is connected with a through hole in the center of the first measuring and controlling disc (12) through a radial channel.
6. The multifunctional connecting rod comprehensive measuring instrument according to claim 3, wherein: the measuring head air passages (14-5) are uniformly distributed in the measuring head column (14-4), the measuring head air passages (14-5) are not intersected, and the upper part of the measuring head air passage (14-5) is communicated to the corresponding circular arc-shaped air groove (14-8) on the surface of the measuring head column (14-4) through a plurality of vertically parallel branch air passages.
7. The multifunctional connecting rod comprehensive measuring instrument according to claim 6, wherein: the central angle of the circular arc-shaped air groove (14-8) is 0-84 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| FR1577249A (en) * | 1967-12-06 | 1969-08-08 | ||
| US5058424A (en) * | 1990-10-25 | 1991-10-22 | Navistar International Transportation Corp. | Wheel end play setting device |
| CN2646656Y (en) * | 2003-08-22 | 2004-10-06 | 东风汽车公司 | Crankshaft multi-parameter pneumatic measuring device |
| CN2795541Y (en) * | 2005-04-04 | 2006-07-12 | 旭东机械(昆山)有限公司 | Press-in device for bearing rolling needles |
| CN201028970Y (en) * | 2007-03-09 | 2008-02-27 | 潍坊潍柴零部件机械有限公司 | Integrative pneumatic gauging device for connecting rod |
| CN101249839A (en) * | 2008-03-11 | 2008-08-27 | 徐州徐工特种工程机械有限公司 | Dual-gas path oil mist lubrication type locking-releasing link mechanism |
| CN201955070U (en) * | 2010-12-21 | 2011-08-31 | 新大洲本田摩托有限公司 | Detecting head of pneumatic measuring instrument for detecting step hole or step shaft |
| CN102359875B (en) * | 2011-09-22 | 2013-08-14 | 西北工业大学 | Multifunctional link dynamic experiment platform |
| CN202330199U (en) * | 2011-11-11 | 2012-07-11 | 上海交通大学 | Frictional wear tester for realizing rotation and reciprocating motion by using crankshaft and connecting rod mechanism |
| CN203337128U (en) * | 2013-07-15 | 2013-12-11 | 周俊雄 | Automatic detection equipment for sensor |
| CN204214604U (en) * | 2014-11-05 | 2015-03-18 | 天津铁路信号有限责任公司 | A kind of double leval jib gas cylinder testing platform |
| CN204431090U (en) * | 2014-12-10 | 2015-07-01 | 重庆林鹰机械有限公司 | Connecting rod centre-to-centre spacing detects frock |
| CN105845476B (en) * | 2016-05-20 | 2017-11-03 | 东莞市鼎力自动化科技有限公司 | A kind of small automatic assembling machine of microswitch |
| CN206417274U (en) * | 2017-01-13 | 2017-08-18 | 上海西屋开关有限公司 | Automobile connecting bar automatic detecting packing equipment |
| CN107246839A (en) * | 2017-07-03 | 2017-10-13 | 西安爱生技术集团公司 | A kind of SUAV engine link comprehensive detection and industrial analysis system |
| CN207642615U (en) * | 2017-12-08 | 2018-07-24 | 威克迈动力系统部件（廊坊）有限公司 | A kind of fan-shaped turntable for nut automatic press-riveting equipment |
| CN108088499A (en) * | 2017-12-12 | 2018-05-29 | 东莞海益机械配件有限公司 | A kind of full-automatic detection device of auto parts |
| CN108555685B (en) * | 2018-07-02 | 2020-04-07 | 青岛理工大学 | CNC milling machine multi-degree-of-freedom micro-lubrication intelligent nozzle system |
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