CN210952615U - Center distance type multi-parameter detection device - Google Patents
Center distance type multi-parameter detection device Download PDFInfo
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- CN210952615U CN210952615U CN201922391725.9U CN201922391725U CN210952615U CN 210952615 U CN210952615 U CN 210952615U CN 201922391725 U CN201922391725 U CN 201922391725U CN 210952615 U CN210952615 U CN 210952615U
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Abstract
The utility model discloses a center distance type multi-parameter detection device, which comprises a bottom plate component, a positioning component, a floating centering component, a measuring component and a standard component; the bottom plate assembly comprises a bottom plate and a limiting block; the positioning assembly is arranged on the bottom plate through a fixed positioning sleeve; the first positioning pin is assembled in a central hole of the fixed positioning sleeve in a clearance mode, a threaded hole is formed in the top of the first positioning pin, the first key is screwed into the threaded hole, a first spring is sleeved in the middle of the first positioning pin, and the lower portion of the first positioning pin is provided with a taper; the floating centering assembly is assembled on the bottom plate through the floating flange, the second positioning pin is sleeved with the movable positioning sleeve in a sleeved mode and is assembled in a center hole of the floating flange in a clearance mode; the top of the second positioning pin is provided with a threaded hole, a second key is screwed into the threaded hole, and the upper part of the second positioning pin is sleeved with a second spring and the lower part of the second positioning pin is provided with a taper; the guide parts are arranged on two sides of the floating flange and slide back and forth under the action of the limiting block. The utility model discloses simple structure, measurement are high-efficient, measuring result is accurate, have fine application prospect.
Description
Technical Field
The utility model belongs to the technical field of detection device, specifically a centre-to-centre spacing class multi-parameter detection device.
Background
The center distance refers to the distance between the centers of two features, and in the mechanical field, the center distance generally refers to the center distance between two holes or the center distance between a surface (line) and a hole, and the center distance is a key factor influencing the assembly precision of parts, so that the center distance is very important for detection.
In the detection of small batch, the center distance can adopt methods such as a three-coordinate measuring machine, an image measuring instrument and the like, but the measuring process is limited by the size of the part to be detected, and the detection cost is high and the time consumption is long. In engineering applications requiring mass detection, the detection of the center distance is usually accomplished by using calipers, for example, when the center distance between two holes is measured, the maximum distance and the minimum distance L1, L2 of the two holes are measured in sequence, and the center distance L = (L) is calculated1+L2) And 2, the method has large measurement result error, needs to measure twice and has low efficiency.
Patent CN201420769649 discloses centre-to-centre spacing detection device includes the bottom plate, sets up the guide rail on the bottom plate, is equipped with T type piece in the one end of guide rail, is equipped with the locating piece on the T type piece, has the slider on the guide rail, and there is the guide block slider front end, is equipped with vertical spring baffle at the tip of bottom plate, is equipped with the spring between vertical spring baffle and the slider, and vertical spring is fixed at the bottom plate tip, and there is measuring component on the slider top to include the percentage table seat, measures the piece, the percentage table, the bolt. The disadvantage of this center distance detection device is 1. the pin size is not designed to the hole to be measured, and therefore neither the positioning nor the measurement is on the axis of the hole, resulting in a measurement value that approximates the maximum of two holes rather than the center distance value; 2. the measuring assembly lacks a standard block to calibrate the values, making it difficult to monitor the state of the detection device.
Patent CN203587011U discloses a connecting rod concentric distance detection device of big end and small end, including the main part, big axle sleeve, macropore measurement dabber, screw, aperture location dabber, little axle sleeve, stabilizer blade, round pin. A large shaft sleeve is fixedly arranged on the left part of the main body along the central line by using a screw and a pin, the upper surfaces of the small shaft sleeve and the large shaft sleeve are on the same plane, the center distance of holes of the small shaft sleeve and the large shaft sleeve is consistent with the center distance of holes of a big head and a small head of a connecting rod, four support legs are assembled on the periphery of the main body through threads, and a big hole measuring core shaft is inserted into the large shaft sleeve. The small hole positioning mandrel and the large hole measuring mandrel are designed according to the size of the position gauge. And the small hole positioning mandrel is inserted into the connecting rod to be measured, and when the large hole measuring mandrel can completely enter the large end of the connecting rod, the center distance is qualified, otherwise, the center distance is unqualified. The center distance measuring device has the defects that a dial indicator is lacked, a detection value cannot be obtained, and therefore, the device can only be used for judging the qualification.
SUMMERY OF THE UTILITY MODEL
The utility model discloses just for solve above-mentioned technical problem, a centre-to-centre spacing class multi-parameter detection device is provided.
The utility model discloses a realize according to following technical scheme.
A center distance type multi-parameter detection device comprises a bottom plate assembly, a positioning assembly, a floating centering assembly, a measuring assembly and a standard assembly;
the bottom plate assembly comprises a bottom plate, a handle and a limiting block; the limiting block is fixed on the upper side of the bottom plate through a screw;
the positioning assembly comprises a first key, a first positioning pin, a fixed positioning sleeve, a set screw and a first spring; the positioning assembly is arranged on the bottom plate through a fixed positioning sleeve; the first positioning pin is assembled in a central hole of the fixed positioning sleeve in a clearance mode, a threaded hole is formed in the top of the first positioning pin, the first key is screwed into the threaded hole, a first spring is sleeved in the middle of the first positioning pin, and the lower portion of the first positioning pin is provided with a taper;
the floating centering assembly comprises a second key, a second spring, a second positioning pin, a movable positioning sleeve, a bolt, a floating flange and a guide piece; the floating centering assembly is assembled on the bottom plate through a floating flange, the second positioning pin is sleeved with the movable positioning sleeve in a sleeved mode and is assembled in a center hole of the floating flange in a clearance mode; the top of the second positioning pin is provided with a threaded hole, a second key is screwed into the threaded hole, a second spring is sleeved on the upper part of the second positioning pin, and the lower part of the second positioning pin is provided with a taper; and guide parts are arranged on two sides of the floating flange and slide back and forth under the action of the limiting block.
Furthermore, the surface of the bottom plate is provided with a plurality of through holes and threaded holes.
Furthermore, a certain amount of clearance is left between the middle part of the second positioning pin of the outer sleeve movable positioning sleeve and the through hole of the bottom plate.
Further, the handles are arranged on two sides of the bottom plate.
Furthermore, the positioning component is arranged in the through hole on one side of the bottom plate and is fixed by a group of set screws.
Further, the floating centering assembly is arranged in a through hole of the bottom plate on the same horizontal line with the positioning assembly.
Further, the measuring assembly comprises a first gauge stand, a first dial indicator, a first support, a second gauge stand and a second dial indicator.
Furthermore, the first dial indicator is horizontally arranged in the first gauge seat, and the end of the measuring rod penetrates through the first support and abuts against the side face of the bottom plate; the second dial indicator is horizontally arranged in the second indicator seat, and the measuring rod end of the second dial indicator penetrates through the second support and abuts against the side face of the floating flange.
The utility model has the advantages and beneficial effects that:
the utility model discloses a centre-to-centre spacing short-term test device simple structure uses portably, measures accurately, and measurement of efficiency is high. Especially, the taper design of the lower parts of the positioning pin and the measuring pin is convenient to insert into a hole to be measured, and the detecting device can accurately find the center line of the hole, so that the detected numerical value is determined as the distance between the center lines of the hole. The design and use of the standard block provides an initial value for the sensing device that is consistent with the nominal value of the center-to-center distance, allowing the floating centering assembly to translate over a range slightly wider than the tolerance band, avoiding the limitation of center-to-center distances greater than the range of the dial gauge. The use of a dial gauge enables the detection device to accurately measure the center-to-center distance value, not just the compliance determination.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is an exemplary workpiece diagram of the present invention.
Wherein, 1, a first key; 2. a first positioning pin; 3. fixing a positioning sleeve; 4. tightening the screw; 5. a first spring; 6. a base plate; 7. a second key; 8. a second spring; 9. a second positioning pin; 10. a movable positioning sleeve; 11. a bolt; 12. a floating flange; 13. a standard component; 14. a first gauge stand; 15. a first percentile table; 16. a first bracket; 17. a handle; 18. a guide member; 19. a limiting block; 20. a second bracket; 21. a second gauge stand; 22. and a second dial indicator.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
A center distance type multi-parameter detection device comprises a bottom plate assembly, a positioning assembly, a floating centering assembly, a measuring assembly and a standard assembly 13;
the bottom plate assembly comprises a bottom plate 6, a handle 17 and a limiting block 19. The surface of the bottom plate 6 is provided with a plurality of through holes and threaded holes for assembling other components. The handles 17 are arranged on two sides of the bottom plate 6, so that the whole detection device can be conveniently taken and placed. The limiting block 19 is fixed on the upper side of the bottom plate 6 through a screw and used for guiding the movement of the floating centering assembly.
The positioning assembly comprises a first key 1, a first positioning pin 2, a fixed positioning sleeve 3, a set screw 4 and a first spring 5; the positioning assembly is arranged in a through hole at one side of the bottom plate 6 through a fixed positioning sleeve 3 and is fixed by a group of set screws 4; the first locating pin 2 is assembled in a central hole of the fixed locating sleeve 3 in a clearance mode, a threaded hole is formed in the top of the first locating pin 2, the first key 1 is screwed into the threaded hole, the first spring 5 is sleeved in the middle of the first locating pin 2 and provides elastic force for controlling the return stroke of the first locating pin 2, and the lower portion of the first locating pin is provided with taper for aligning the central line of a hole to be detected.
The floating centering assembly comprises a second key 7, a second spring 8, a second positioning pin 9, a movable positioning sleeve 10, a bolt 11, a floating flange 12 and a guide piece 18; the floating centering assembly is assembled on the bottom plate 6 through a floating flange 12, the second positioning pin 9 is sleeved with a movable positioning sleeve 10 in a clearance manner and is assembled in a central hole of the floating flange 12, and a certain amount of clearance is reserved between the middle part of the second positioning pin 9 sleeved with the movable positioning sleeve 10 and a through hole of the bottom plate 6; the top of the second positioning pin 9 is provided with a threaded hole, a second key 7 is screwed into the threaded hole, the upper part of the second positioning pin 9 is sleeved with a second spring 8 which provides elastic force for controlling the return stroke of the second positioning pin 9, and the lower part of the second positioning pin is provided with a taper; and guide parts 18 are arranged on two sides of the floating flange 12, the guide parts 18 slide back and forth under the action of a limiting block 19, and the measured hole is aligned by utilizing the taper of the lower part of the second positioning pin 9.
The measuring assembly comprises a first gauge stand 14, a first dial indicator 15, a first bracket 16, a second bracket 20, a second gauge stand 21 and a second dial indicator 22; the first dial indicator 15 is horizontally arranged in the first gauge seat 14, and the end of the measuring rod penetrates through the first support 16 and abuts against the side face of the bottom plate 6 to measure the center distance between the side face and the left hole; the second dial indicator 22 is horizontally arranged in the second indicator seat 21, and the measuring rod end of the second dial indicator 22 penetrates through the second support 20 and abuts against the side face of the floating flange 12 to measure the center distance between the two holes.
The design of the center distance of the standard component 13 is consistent with the basic size of the center distance of the measured element, and the actual detection value of the center distance is given by the detection of a superior metrological unit and is used for the initial assignment of the dial indicator.
Example workpiece as shown in fig. 3, the center-to-center distance between the hole and the left end face was set to L1, and the center-to-center distance between the two holes was set to L2. When the rapid detection device is applied, firstly, the standard part 13 is used for assignment, the first positioning pin 2 of the device is inserted into the left hole of the standard part 13, the second positioning pin 9 is moved to find the right hole, the measuring rod of the first dial indicator 15 is pulled to find the left end face, and at the moment, the two dial indicator values respectively represent the center distance values S1 and S2 of the standard block. After the value is assigned, the first positioning pin 2 is inserted into the left measured hole, the second positioning pin 9 is moved to find the right measured hole, the measuring rod of the first dial indicator 15 is pulled to find the measured end face, the sum of the numerical variation quantities displayed by the S1 and the first dial indicator 15 is the measured value L1 of the center distance between the hole and the end face, and the sum of the numerical variation quantities displayed by the S2 and the second dial indicator 22 is the measured value L2 of the center distance between the two holes.
Claims (8)
1. The center distance type multi-parameter detection device is characterized by comprising a bottom plate assembly, a positioning assembly, a floating centering assembly, a measuring assembly and a standard assembly (13);
the bottom plate component comprises a bottom plate (6), a handle (17) and a limiting block (19); the limiting block (19) is fixed on the upper side of the bottom plate (6);
the positioning assembly comprises a first key (1), a first positioning pin (2), a fixed positioning sleeve (3), a set screw (4) and a first spring (5); the positioning assembly is arranged on the bottom plate (6) through a fixed positioning sleeve (3); the first positioning pin (2) is assembled in a central hole of the fixed positioning sleeve (3) in a clearance mode, a threaded hole is formed in the top of the first positioning pin (2), the first key (1) is screwed into the threaded hole, a first spring (5) is sleeved in the middle of the first positioning pin (2), and the lower portion of the first positioning pin is provided with a taper;
the floating centering assembly comprises a second key (7), a second spring (8), a second positioning pin (9), a movable positioning sleeve (10), a bolt (11), a floating flange (12) and a guide piece (18); the floating centering assembly is assembled on the bottom plate (6) through a floating flange (12), the second positioning pin (9) is sleeved with a movable positioning sleeve (10) in a sleeved mode, and the second positioning pin is assembled in a center hole of the floating flange (12) in a clearance mode; the top of the second positioning pin (9) is provided with a threaded hole, a second key (7) is screwed into the threaded hole, the upper part of the second positioning pin (9) is sleeved with a second spring (8), and the lower part of the second positioning pin is provided with a taper; and guide pieces (18) are arranged on two sides of the floating flange (12), and the guide pieces (18) slide back and forth under the action of a limiting block (19).
2. The center-distance-like multiparameter detecting device as recited in claim 1, wherein said bottom plate (6) has a plurality of through holes and threaded holes formed on its surface.
3. The center distance type multiparameter detecting device as recited in claim 1, wherein a certain amount of clearance is left between the middle part of the second positioning pin (9) of the outer sleeve movable positioning sleeve (10) and the through hole of the bottom plate (6).
4. A centre-distance-like multiparameter-detecting device according to claim 1, wherein said handles (17) are arranged on both sides of the base plate (6).
5. The center-distance-like multiparameter detecting device as recited in claim 1, wherein said positioning member is installed in a through hole at one side of the base plate (6) and fixed by a set of set screws (4).
6. A device for detecting center-distance-like parameters according to claim 1, wherein the floating centering assembly is installed in a through hole of the bottom plate (6) on the same horizontal line as the positioning assembly.
7. A device for detecting center-distance-like multiparameters according to claim 1, wherein said measuring assembly comprises a first gauge stand (14), a first dial gauge (15), a first bracket (16), a second bracket (20), a second gauge stand (21) and a second dial gauge (22).
8. The center-distance-like multiparameter detecting device as recited in claim 7, wherein said first dial gauge (15) is horizontally disposed in the first gauge stand (14), and the measuring rod end passes through the first bracket (16) and abuts against the side surface of the bottom plate (6); the second dial indicator (22) is horizontally arranged in the second indicator seat (21), and the measuring rod end of the second dial indicator (22) penetrates through the second support (20) and abuts against the side face of the floating flange (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922391725.9U CN210952615U (en) | 2019-12-27 | 2019-12-27 | Center distance type multi-parameter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922391725.9U CN210952615U (en) | 2019-12-27 | 2019-12-27 | Center distance type multi-parameter detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210952615U true CN210952615U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922391725.9U Active CN210952615U (en) | 2019-12-27 | 2019-12-27 | Center distance type multi-parameter detection device |
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| Country | Link |
|---|---|
| CN (1) | CN210952615U (en) |
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- 2019-12-27 CN CN201922391725.9U patent/CN210952615U/en active Active
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