CN209745191U - Detection device for hole and shaft belt pin - Google Patents

Detection device for hole and shaft belt pin Download PDF

Info

Publication number
CN209745191U
CN209745191U CN201920801602.5U CN201920801602U CN209745191U CN 209745191 U CN209745191 U CN 209745191U CN 201920801602 U CN201920801602 U CN 201920801602U CN 209745191 U CN209745191 U CN 209745191U
Authority
CN
China
Prior art keywords
measuring
lever
rod frame
rod
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201920801602.5U
Other languages
Chinese (zh)
Inventor
蒋家东
雷天才
刘兴宝
钟文勇
刘波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Mechanical Manufacturing Technology of CAEP
Original Assignee
Institute of Mechanical Manufacturing Technology of CAEP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institute of Mechanical Manufacturing Technology of CAEP filed Critical Institute of Mechanical Manufacturing Technology of CAEP
Priority to CN201920801602.5U priority Critical patent/CN209745191U/en
Application granted granted Critical
Publication of CN209745191U publication Critical patent/CN209745191U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The utility model discloses a detection device for hole and shaft belt tips, which comprises a displacement detection device, a rod frame, a bracket, a measuring rod, a lever and a plurality of ball heads, wherein the lower end of the measuring rod is provided with a first measuring pin, and the lower end of the lever is provided with a second measuring pin; the ball heads are all arranged on the rod frame through the bracket, the ball heads, the first measuring pins and the second measuring pins are all positioned on the same side of the rod frame, the lower surfaces of the ball heads are positioned on the same plane, and the plane is parallel to the axis of the rod frame; the displacement detection device is used for detecting the displacement of the upper end of the lever. The detection device is simple in structure, and the device and the method can be used for conveniently and rapidly detecting the sizes of the hole and the shaft end part.

Description

Detection device for hole and shaft belt pin
Technical Field
The utility model relates to a measuring tool technical field especially relates to a detection device that is used for hole, axle area slightly.
Background
In the process of grinding or the like of a high-precision shaft or hole-like part, a slight tape phenomenon is often found at the mouth of the shaft or hole. The belt-tip phenomena are, for example: when the grinding wheel is just contacted with a part to remove materials, the diameters of the parts near the opening of the workpiece (along the axial direction) are inconsistent, so that the phenomenon of small taper of the machined position of the end part of the workpiece is caused, and the belt is a taper section on the corresponding workpiece.
In order to ensure the processing quality of the parts, the diameters of a plurality of different positions near the mouth part along the axial direction generally need to be measured quickly and accurately in the processing field of the parts, the condition of releasing the belt is solved, the technological parameters are adjusted, and the processing precision is improved.
for the tape tip measurement, the existing simple measuring tools have limited measurement accuracy. In this case, to realize the tape measure, a high-precision measuring instrument such as a pneumatic measuring instrument, an aperture measuring instrument or a caliper is generally adopted.
Further optimization or design of the tool for realizing the belt tip measurement is carried out to conveniently finish the measurement of the machining dimension of the corresponding part, which is a technical problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
to the realization that above-mentioned propose take slightly measuring instrument to do further optimization or design to conveniently accomplish corresponding parts machining size and measure, be the technical problem that the skilled person in the art awaits a urgent need to solve, the utility model provides a detection device and detection method for hole, axle area are slightly. The detection method is a using method of the detection device, the detection device is simple in structure, and the detection of the sizes of the hole and the shaft end part belt tip can be conveniently and rapidly completed by adopting the device and the method.
To the above problem, the utility model provides a detection device for hole, axle area are slightly solves the problem through following technical essential: the detection device comprises a displacement detection device, and further comprises a rod frame, a support, a measuring rod, a lever and a plurality of ball heads, wherein the rod frame is in a straight rod shape, a hinge station positioned between the upper end and the lower end of the lever is arranged on the lever, the upper end of the measuring rod is fixedly connected with the rod frame, the lever is hinged with the rod frame through a hinge shaft arranged on the hinge station, and the lever and the measuring rod are arranged at different axial positions of the rod frame;
the lower extreme of measuring staff is provided with first survey needle, and the lower extreme of lever is provided with the second survey needle, and the tip orientation of first survey needle and second survey needle is all adjustable, and is adjustable: the end part of the first measuring pin is in a positive relationship with the end part of the second measuring pin, and the end part of the first measuring pin is in a back-to-back relationship with the end part of the second measuring pin;
The lever can rotate around the hinge shaft until the connecting line of the end part of the first measuring pin and the end part of the second measuring pin is parallel to the axis of the rod frame;
in the process that the lever can rotate around the hinge shaft, the distance between the end part of the first measuring pin and the end part of the second measuring pin in the axial direction of the rod frame is changed;
the ball heads are all arranged on the rod frame through the bracket, the ball heads, the first measuring pins and the second measuring pins are all positioned on the same side of the rod frame, the lower surfaces of the ball heads are positioned on the same plane, and the plane is parallel to the axis of the rod frame;
The displacement detection device is used for detecting the displacement of the upper end of the lever.
When the scheme is used specifically, the implementation steps of the using method can be as follows:
s1, adjusting the installation sequence: according to the type of the detected part, adjusting the orientation of the respective ends of the first measuring pin and the second measuring pin: when the belt tip is positioned on the belt tip hole, the end part of the first measuring pin is adjusted to be opposite to the end part of the second measuring pin; when the belt is slightly on the shaft, the end part of the first measuring needle is adjusted to be in an opposite relation with the end part of the second measuring needle.
S2, diameter detection: slightly detecting a hole zone, supporting each point of a ball head on the end face of a part, inserting a first measuring pin and a second measuring pin into a hole, contacting the end parts of the first measuring pin and the second measuring pin with the hole wall of the hole, positioning two contact points on the same axis of the part, rotating on a plane determined by the ball head by taking the end part of the first measuring pin or the end part of the second measuring pin as a rotating support origin, and taking the maximum distance between the end part of the first measuring pin and the end part of the second measuring pin measured by a displacement detection device as the diameter of the hole;
The method comprises the steps that a shaft belt is detected slightly, each point of a ball head is supported on the end face of a part, the end parts of a first measuring pin and a second measuring pin are contacted with the side wall of the part, two contact points are located at the same axial line position of the part, the end part of the first measuring pin or the end part of the second measuring pin is used as a rotating support origin point and rotates on a plane determined by the ball head, and the maximum value of the distance between the end part of the first measuring pin and the end part of the second measuring pin measured by a displacement detection device is used as the diameter of a hole;
s3, multipoint diameter detection: the positions of the two contact points on the axis of the part are changed, and the diameter measurement of the hole or the shaft at the other axis positions of the part is completed by using the method provided by the step S2.
In this solution, as described above, the bar is placed horizontally, as for the dimension measurement of the hole with the tip, when the corresponding part is placed vertically, with the corresponding orifice with the tip facing upwards. The first measuring pin and the second measuring pin are embedded into the hole and are arranged in the first measuring pin and the second measuring pin through the contact of the ball head and the upper end surface of the part, wherein the contact point of one end on the wall of the hole is located on the wall of the hole on the left side of the hole, and the contact point of the other end on the wall of the hole is located on the wall of the hole on the right side of the hole, and the two contact points are positioned at the same axial position of the part, at the moment, the end part of one of the first measuring needle and the second measuring needle is used as the rotation origin of the rotation of the detection device, in the rotation process of the detection device, the maximum distance between the two contact points is the diameter of the hole, if the displacement detection device is a dial indicator with a dial plate, the value corresponding to the inflection point of the pointer changing in the motion direction on the dial plate is the diameter value, the digital display dial indicator is adopted, the maximum reading corresponding to the diameter can be directly obtained, and the corresponding reading or degree can be obtained by adopting other types of displacement detection devices; similarly, the measurement is performed on the end portion of the shaft, if the bar frame is transversely placed, the corresponding part is vertically placed at the moment, the corresponding end portion with the shaft is upward, the ball head is contacted with the upper end face of the part, the first measuring needle and the second measuring needle are respectively positioned on the left side and the right side of the part, in the first measuring needle and the second measuring needle, the contact point of one end portion on the side wall of the part is positioned on the side wall on the left side of the part, the contact point of the other end portion on the side wall of the part is positioned on the side wall on the right side of the part, and the two contact points are positioned on the same axis position of the part, at the moment, the end portion of one of the first measuring needle and the second measuring needle is used as the rotation origin of the detection device, in the rotation process of the detection device, the maximum distance between the two contact points is the outer diameter of the part, if the displacement detection device is a dial gauge, the value corresponding to the inflection, the maximum degree corresponding to the diameter can be directly obtained by adopting a digital display dial indicator, and the corresponding number or degree can be obtained by adopting other types of displacement detection devices.
In the above process, it is set that: the end part of the first measuring pin is in a positive relationship with the end part of the second measuring pin and aims at the requirement of slightly measuring the shaft band, and the end part of the first measuring pin is in a reverse relationship with the end part of the second measuring pin and aims at the requirement of slightly measuring the hole band; the method comprises the following steps: the lever can rotate around the hinge shaft until the connecting line of the end part of the first measuring pin and the end part of the second measuring pin is parallel to the axis of the rod frame, in the process that the lever can rotate around the hinge shaft, the distance between the end part of the first measuring pin and the end part of the second measuring pin in the axis direction of the rod frame is changed, the ball heads are all installed on the rod frame through the bracket, the ball heads, the first measuring pin and the second measuring pin are all positioned on the same side of the rod frame, the lower surface of the ball heads is positioned on the same plane, the plane is parallel to the axis of the rod frame, the aim is that the existing part is generally or can be processed to be vertical to the axis, after the detection device is installed on the part through the ball heads, the contact point obtained through the first measuring pin and the second measuring pin and the part is positioned on the same axis position of the part to measure the aperture or the diameter of the specific position on the axis of the part, and meanwhile, when, the first measuring pin and the second measuring pin are always required to be in contact with the part, most readings obtained by the displacement detection device are actually different chord lengths smaller than the diameter, and the connecting mode of the lever aims to adapt to the change of the distance between the two contact points in the rotating process.
to sum up, this scheme provides one kind to the hole, the axle area measures simple technical scheme a little: the detection device is arranged at the end part of a part through the ball head, the rotation detection device of the rotation original point is set, and the corresponding shaft diameter value or aperture value can be obtained according to the reading of the displacement detection device; meanwhile, the ball head limits the positions of the two contact points on the axis of the part, so that the measurement value obtained by the scheme has the characteristic of being very accurate; in the above structural design, although the detection device has a plurality of connection points on the part, the detection device does not have fixed connection points in fact, when the measurement position on the axis of the part needs to be adjusted, the measurement of the aperture and the shaft diameter at different axis positions can be realized by arranging the equal-height blocks serving as the cushion blocks between the ball head and the part, changing the distance between the first measuring needle and the axis of the rod frame and the distance between the second measuring needle and the axis of the rod frame, and adopting the scheme, a plurality of numerical values can be conveniently obtained along the axis direction of the belt tip to reflect the parameters of the belt tip, so that the condition of the belt tip can be conveniently and comprehensively known; compared with a high-precision measuring instrument in the prior art, the high-precision measuring instrument is low in setting and using cost, convenient to operate and portable in scheme due to small size and simple structure.
the detection device is further characterized in that:
As a person skilled in the art, in the above-disclosed solution, since the lever rotates when the present device is used, and the existing displacement detecting device satisfying the above operation can provide a certain stroke to satisfy the change of the position of the upper end of the lever, considering the adaptive range of the present detecting device, it is set as follows: at least one of the measuring rod and the lever is adjustable in the connecting position on the axis of the rod frame. In this scheme, the position adjustment is used for making this device can adapt to bigger aperture, diameter measurement range promptly.
As a lever on the axis of the rod frame adjustable in position, and in the process of adjusting the position, the main body of the displacement detection device is fixed relative to the position of the articulated shaft, so as to facilitate the technical scheme of debugging when the device is used, the connecting position of the lever on the axis of the rod frame is adjustable: the lever is connected with the rod frame through the clamping sleeve;
The lever is hinged with the jacket through the hinge station, and the jacket is sleeved on the rod frame through a clamping space at the upper end of the jacket;
The clamping sleeve can slide along the axial direction of the rod frame and further comprises a screw for realizing the relative fixation of the clamping sleeve and the rod frame;
The displacement detection device is fixed on the jacket. In this scheme, slide along the pole frame through pressing from both sides the cover and accomplish the position adjustment of lever on the pole frame axis, after reaching required position, accomplish through the screw that corresponding relative position is fixed can. In the above position adjustment process, since the displacement detecting device is fixed to the jacket, the position of the displacement detecting device with respect to the lever is always fixed without rotating the lever.
As the position of each ball head on the axis of the rod frame is adjustable, the ball head can provide reliable support for the rod frame under different application conditions of the device, and the device is arranged as follows: the number of the ball heads is three, and the number of the ball heads is respectively as follows: the device comprises a first ball head, a second ball head and a third ball head, wherein the bracket comprises a left bracket and a right bracket, one ball head is fixed at the lower end of one of the left bracket and the right bracket, two ball heads are fixed at the lower end of the other of the left bracket and the right bracket, clamping spaces are respectively arranged at the upper ends of the left bracket and the right bracket, the left bracket and the right bracket are respectively sleeved on a rod frame through the respective clamping spaces, and the left bracket and the right bracket are respectively connected with a set screw for realizing the respective position fixation on the axis of the rod frame;
Along the axis of the rod frame axis, the arrangement sequence of the left bracket, the right bracket, the measuring rod and the lever is adjustable: can be adjusted as follows: the measuring rod and the lever are clamped between the left support and the right support, and the left support and the right support are clamped between the measuring rod and the lever. In this scheme, the plane that the lower surface that utilizes three bulb constitutes cooperates with the tip plane of part, in the structural design of above left socle and right branch frame, conveniently accomplishes the order adjustment. The concrete application is as follows: when the upper belt of the hole is measured, the scheme that the measuring rod and the lever are clamped between the left support and the right support, and the end parts of the first measuring needle and the second measuring needle face opposite directions is adopted; when the shaft upper belt is measured, the scheme that the left support and the right support are clamped between the measuring rod and the lever and the end parts of the first measuring needle and the second measuring needle face oppositely is adopted. This scheme of adoption, contact point both sides all have the bulb that is used for providing the support in other words, like this, not only this device operation, this device does benefit to with part complex stability simultaneously and guarantees measurement accuracy. The opposite orientation means the opposite orientation.
For convenience of the arrangement sequence adjustment, the arrangement sequence is set as follows: the measuring rod and the lever are sleeved on the rod frame through annular clamping spaces, and locking pieces used for locking the positions of the measuring rod and the lever on the rod frame are arranged between the measuring rod and the rod frame respectively. By adopting the connection mode and the structure form, if the locking piece or the set screw is used for enclosing a clamping space, the clamping space at the upper ends of the measuring rod, the left bracket, the right bracket and the jacket can be utilized to complete the embedding of the rod frame or the removal of the rod frame from the opening of the clamping space when the corresponding material is subjected to plastic deformation, and then the locking piece or the set screw is connected; the clamping space can also be correspondingly detached or matched in a mode of sliding out or embedding from the end part of the rod frame by utilizing the locking piece or the set screw operated before or after. As a person skilled in the art, the locking member can also adopt a set screw; and the set screw is not limited to being part of the enclosed clamping space: if the set screw is the set screw which is in threaded connection with the complete circular hoop body, positive pressure is generated between the end part of the set screw and the rod frame, and the relative position fixation is realized through the friction force generated by the positive pressure.
as described above, as an implementation scheme that can make the present detection apparatus adapt to a larger measurement range: the ball head gasket also comprises a plurality of groups of gasket groups, each group of gasket groups comprises a plurality of equal-height blocks with the same number as the ball heads, the equal-height blocks in the same group of gasket groups have the same thickness, and the equal-height blocks in different gasket groups have different thicknesses. When the gasket is specifically used, the equal-height blocks in the gasket group with the specific thickness are adopted for measuring the apertures or diameters of the same part at different axial positions.
as another implementation scheme which can enable the detection device to be suitable for a larger measurement range, the distances between the ball heads and the rod frame are linearly adjustable. In this scheme, inject adjustable accessible threaded connection and realize, if to above left socle and right branch frame, can set up to left socle and right branch frame and be the sectional type design, the paragraph of constituteing left socle and right branch frame all establishes ties through threaded connection, imbeds the cushion in cooperation position, utilizes the several millimeters elastic deformation that current cushion can produce, satisfies the requirement of current area length a bit: the two sections connected in series clamp the elastic pad, the elastic pad is compressed within the elastic deformation range allowed by the elastic pad, the generated elastic force plays a role in preventing looseness, and the elastic deformation change of the elastic pad follows the length change of the left support and the right support. As described above, for the implementation scheme adapted to a larger measurement range, the distance between the first measuring head and the rod frame and the distance between the second measuring head and the rod frame may be adjusted, but considering that the directions of the respective ends of the first measuring head and the second measuring head need to be considered, when the scheme of designing in sections and clamping the elastic pad in two sections is adopted, the directions of the corresponding ends become variables, and the adoption of other structural designs makes the structure of the device too complex and the adjustment precision is not easy to reach the above mode of clamping the elastic pad, so the mode of adjusting the distance between the ball head and the rod frame is preferably adopted.
As mentioned above, because this detection device accessible operator stabilizes this device and rotates the mode of this device and accomplish corresponding measurement when using, for avoiding the measurement accuracy that the heat influences this device as far as possible, set up to: also comprises a heat insulation ring sleeved on the rod frame. The heat insulation ring is the position where the operator holds or restrains the device.
For convenient operation, the method comprises the following steps: the heat insulation ring is positioned above the first measuring pin. The above discloses an implementation mode of operating the device by using the first measuring pin as the rotation origin, but for specific application, the second measuring pin can be used as the rotation origin, but in the mode of rotating the origin by using the second measuring pin, the situation that the lever rotates due to the force applied by an operator to the detection device and the first measuring pin does not contact with a part can occur, so the position limitation of the heat insulation ring actually limits the stressed part of the detection device when the detection device is operated, and the situation is avoided.
The scheme also discloses a detection method for the hole and shaft belt tip, which adopts the detection device provided by any one of the above to detect the sizes of the hole and shaft belt tip and comprises the following steps:
s1, adjusting the installation sequence: according to the type of the detected part, adjusting the orientation of the respective ends of the first measuring pin and the second measuring pin: when the belt tip is positioned on the belt tip hole, the end part of the first measuring pin is adjusted to be opposite to the end part of the second measuring pin; when the belt is slightly on the shaft, the end part of the first measuring needle is adjusted to be in an opposite relation with the end part of the second measuring needle.
s2, diameter detection: slightly detecting a hole zone, supporting each point of a ball head on the end face of a part, inserting a first measuring pin and a second measuring pin into a hole, contacting the end parts of the first measuring pin and the second measuring pin with the hole wall of the hole, positioning two contact points on the same axis of the part, rotating on a plane determined by the ball head by taking the end part of the first measuring pin or the end part of the second measuring pin as a rotating support origin, and taking the maximum distance between the end part of the first measuring pin and the end part of the second measuring pin measured by a displacement detection device as the diameter of the hole;
The method comprises the steps that a shaft belt is detected slightly, each point of a ball head is supported on the end face of a part, the end parts of a first measuring pin and a second measuring pin are contacted with the side wall of the part, two contact points are located at the same axial line position of the part, the end part of the first measuring pin or the end part of the second measuring pin is used as a rotating support origin point and rotates on a plane determined by the ball head, and the maximum value of the distance between the end part of the first measuring pin and the end part of the second measuring pin measured by a displacement detection device is used as the diameter of a hole;
s3, multipoint diameter detection: the positions of the two contact points on the axis of the part are changed, and the diameter measurement of the hole or the shaft at the other axis positions of the part is completed by using the method provided by the step S2.
Preferably, in step S2, the end of the first stylus is set as a support origin of rotation.
as a further technical scheme of the detection method, considering processing errors and assembly errors, in order to be beneficial to measuring precision, the detection method is set as follows: between steps S1 and S2, a parallelism adjusting step is further included: the vertices of each ball head for interaction with the parts are adjusted so that the vertices are equidistant from the axis of the bar frame.
in consideration of the convenience degree, the displacement detection device adopts a dial indicator, and before the step S2, the method further includes a calibration step: and detecting the shaft belt tip, using a gauge block as a data zeroing tool, detecting the hole belt tip, and using the diameter of the ring gauge as the data zeroing tool. The method specifically comprises the following steps: and step S2, after the part is replaced by the data zeroing tool, the end part of the first measuring pin or the end part of the second measuring pin is used as a rotating support origin to rotate on the positioning surface determined by the ball head, and when the maximum diameter value corresponding to the data zeroing tool is found, the dial indicator is cleared.
the relative orientation adjustment of the first measuring pin and the second measuring pin can be realized by changing the connection form of the measuring rod on the rod frame and the connection form of the lever on the jacket, for example, the relative orientation adjustment of the first measuring pin and the second measuring pin can be changed by forward and backward installation; the first measuring pin and the second measuring pin can be connected with the measuring rod or the lever through the measuring rod and the threaded holes in the lever in a threaded mode, the threaded holes are through holes or threaded holes in the two sides of the measuring rod and the two sides of the lever, and the first measuring pin and the second measuring pin can be connected through different sides of the measuring rod and the lever.
The utility model discloses following beneficial effect has:
This scheme provides one kind to hole, axle area slightly measure simple technical scheme: the detection device is arranged at the end part of a part through the ball head, the rotation detection device of the rotation original point is set, and the corresponding shaft diameter value or aperture value can be obtained according to the reading of the displacement detection device; meanwhile, the ball head limits the positions of the two contact points on the axis of the part, so that the measurement value obtained by the scheme has the characteristic of being very accurate; in the above structural design, although the detection device has a plurality of connection points on the part, the detection device does not have fixed connection points in fact, when the measurement position on the axis of the part needs to be adjusted, the measurement of the aperture and the shaft diameter at different axis positions can be realized by arranging the equal-height blocks serving as the cushion blocks between the ball head and the part, changing the distance between the first measuring needle and the axis of the rod frame and the distance between the second measuring needle and the axis of the rod frame, and adopting the scheme, a plurality of numerical values can be conveniently obtained along the axis direction of the belt tip to reflect the parameters of the belt tip, so that the condition of the belt tip can be conveniently and comprehensively known; compared with a high-precision measuring instrument in the prior art, the high-precision measuring instrument is low in setting and using cost, convenient to operate and portable in scheme due to small size and simple structure.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the detection device for the hole and shaft pin according to the present invention, the schematic structural diagram is a front sectional view, the schematic structural diagram is a partial sectional view, and the schematic structural diagram is a state of measuring the hole pin;
FIG. 2 is a side view of the structure shown in FIG. 1;
fig. 3 is a schematic structural diagram of a specific embodiment of the detection device for holes and shaft belt tips according to the present invention, the schematic structural diagram is a front cross-sectional view, and the schematic structural diagram is a partial cross-sectional view and is a state of measuring the shaft belt tips.
the labels in the figures are: 1. the device comprises a first measuring pin 2, a first ball head 3, a left support 4, a set screw 5, a measuring rod 6, a rod frame 7, a jacket 8, a lever 9, a right support 10, a heat insulation ring 11, a displacement detection device 12, an elastic pad 13, an equal-height block 14, a second measuring pin 15, a second ball head 16 and a third ball head.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples:
Example 1:
As shown in fig. 1 to 3, the detection device for the hole and the shaft with the tip comprises a displacement detection device 11, and further comprises a rod frame 6, a support, a measuring rod 5, a lever 8 and a plurality of ball heads, wherein the rod frame 6 is in a straight rod shape, a hinge station between the upper end and the lower end of the lever 8 is arranged on the lever 8, the upper end of the measuring rod 5 is fixedly connected with the rod frame 6, the lever 8 is hinged with the rod frame 6 through a hinge shaft arranged on the hinge station, and the lever 8 and the measuring rod 5 are arranged at different axial positions of the rod frame 6;
The lower extreme of measuring staff 5 is provided with first survey needle 1, and the lower extreme of lever 8 is provided with second survey needle 14, and the tip orientation of first survey needle 1 and second survey needle 14 is all adjustable, and is adjustable: the end part of the first measuring pin 1 is in a direct-facing relation with the end part of the second measuring pin 14, and the end part of the first measuring pin 1 is in a back-to-back relation with the end part of the second measuring pin 14;
the lever 8 can rotate around the hinge shaft until the connecting line of the end part of the first measuring pin 1 and the end part of the second measuring pin 14 is parallel to the axis of the rod frame 6;
in the process that the lever 8 can rotate around the hinge shaft, the distance between the end part of the first measuring probe 1 and the end part of the second measuring probe 14 in the axial direction of the rod frame 6 is changed;
The ball heads are all arranged on the rod frame 6 through a support, the ball heads, the first measuring pin 1 and the second measuring pin 14 are all positioned on the same side of the rod frame 6, the lower surfaces of the ball heads are positioned on the same plane, and the plane is parallel to the axis of the rod frame 6;
The displacement detecting device 11 is used for detecting the displacement of the upper end of the lever 8.
when the scheme is used specifically, the implementation steps of the using method can be as follows:
S1, adjusting the installation sequence: according to the type of the detected part, the orientation of the end parts of the first measuring pin 1 and the second measuring pin 14 is adjusted: when the belt tip is a belt tip on the belt tip hole, the end part of the first measuring needle 1 is adjusted to be opposite to the end part of the second measuring needle 14; when the tape tip is on the tip axis, the end of the first stylus 1 is adjusted to be in an opposing relationship to the end of the second stylus 14.
s2, diameter detection: slightly detecting a hole zone, supporting each point of a ball head on the end face of a part, inserting a first measuring pin 1 and a second measuring pin 14 into a hole, contacting the end parts of the first measuring pin 1 and the second measuring pin 14 with the hole wall of the hole, locating two contact points on the same axis position of the part, rotating on a plane determined by the ball head by taking the end part of the first measuring pin 1 or the end part of the second measuring pin 14 as a rotating support origin, and taking the maximum distance between the end part of the first measuring pin 1 and the end part of the second measuring pin 14 measured by a displacement detection device 11 as the diameter of the hole;
aiming at the shaft belt detection, all points of a ball head are supported on the end face of a part, the end parts of a first measuring pin 1 and a second measuring pin 14 are contacted with the side wall of the part, two contact points are positioned at the same axial line position of the part, the end part of the first measuring pin 1 or the end part of the second measuring pin 14 is taken as a rotating support origin point, the first measuring pin 1 or the second measuring pin 14 rotates on a plane determined by the ball head, and the maximum value of the distance between the end part of the first measuring pin 1 and the end part of the second measuring pin 14 measured by a displacement detection device 11 is taken as the diameter of a hole;
s3, multipoint diameter detection: the positions of the two contact points on the axis of the part are changed, and the diameter measurement of the hole or the shaft at the other axis positions of the part is completed by using the method provided by the step S2.
In this solution, as described above, the bar 6 is placed horizontally, as for the dimension measurement of the hole with a small hole, when the corresponding part is placed vertically, with the corresponding opening with the small hole facing upwards. The ball head is contacted with the upper end face of the part, the first measuring pin 1 and the second measuring pin 14 are embedded into the hole, in addition, in the first measuring pin 1 and the second measuring pin 14, the contact point of one end part on the hole wall is positioned on the hole wall on the left side of the hole, the contact point of the other end part on the hole wall is positioned on the hole wall on the right side of the hole, and the two contact points are positioned on the same axial line position of the part, at the moment, the end part of one of the first measuring pin 1 and the second measuring pin 14 is used as the rotation original point of the rotation of the detection device, in the rotation process of the detection device, the maximum distance value of the two contact points is the diameter of the hole, if the displacement detection device 11 is a dial indicator with a dial plate, the value corresponding to the inflection point of the change of the motion direction of the pointer on the dial plate is the diameter value, and the digital display dial indicator is adopted, the maximum indicating, corresponding readings or degrees can be obtained by adopting other types of displacement detection devices 11; similarly, for the measurement of the shaft end, if the bar frame 6 is placed horizontally, the corresponding part is placed vertically at this time, and the end with the shaft is upward, and is contacted with the upper end face of the part through the ball head, the first measuring pin 1 and the second measuring pin 14 are respectively located on the left side and the right side of the part, and in the first measuring pin 1 and the second measuring pin 14, the contact point of one end at the side wall of the part is located on the side wall on the left side of the part, the contact point of the other end at the side wall of the part is located on the side wall on the right side of the part, and the two contact points are located on the same axis position of the part, at this time, the end of one of the first measuring pin 1 and the second measuring pin 14 is used as the rotation origin of the detection device, during the rotation of the detection device, the maximum distance between the two contact points is the outer diameter of the part, if the displacement detection device 11 is a dial indicator, the value corresponding to the inflection point where the moving direction of the pointer on the dial changes is the diameter value, the maximum degree corresponding to the diameter can be directly obtained by adopting a digital display dial indicator, and the corresponding number or degree can also be obtained by adopting other types of displacement detection devices 11.
In the above process, it is set that: the end part of the first measuring pin 1 is in a positive relationship with the end part of the second measuring pin 14 and aims at the requirement of slightly measuring the shaft band, and the end part of the first measuring pin 1 is in a reverse relationship with the end part of the second measuring pin 14 and aims at the requirement of slightly measuring the hole band; the method comprises the following steps: the lever 8 can rotate around the hinge shaft until the connecting line of the end part of the first measuring pin 1 and the end part of the second measuring pin 14 is parallel to the axis of the rod frame 6, in the process that the lever 8 can rotate around the hinge shaft, the distance between the end part of the first measuring pin 1 and the end part of the second measuring pin 14 in the axis direction of the rod frame 6 is changed, the ball heads are all installed on the rod frame 6 through the supports, the ball heads, the first measuring pin 1 and the second measuring pin 14 are all positioned on the same side of the rod frame 6, the lower surfaces of the ball heads are positioned on the same plane, the plane is parallel to the axis of the rod frame 6, aiming at the existing parts, the end surfaces of the existing parts are generally or can be processed to be vertical to the axis, after the detection device is installed on the part through the ball heads, the contact points with the part, obtained through the first measuring pin 1 and the second measuring pin 14, are positioned on the same axis position of the part, meanwhile, as described above, when the detection device rotates, the first measuring pin 1 and the second measuring pin 14 are always required to be in contact with the part, and most readings obtained by the displacement detection device 11 are actually different chord lengths smaller than the diameter, the connection mode of the lever 8 aims to adapt to the change of the distance between two contact points in the rotation process.
To sum up, this scheme provides one kind to the hole, the axle area measures simple technical scheme a little: the detection device is arranged at the end part of a part through the ball head, a rotation original point rotation detection device is set, and a corresponding shaft diameter value or aperture value can be obtained according to the reading of the displacement detection device 11; meanwhile, the ball head limits the positions of the two contact points on the axis of the part, so that the measurement value obtained by the scheme has the characteristic of being very accurate; in the above structural design, although the detection device has a plurality of connection points on the part, the detection device does not have fixed connection points in fact, so when the measurement position on the axis of the part needs to be adjusted, the measurement of the aperture and the shaft diameter at different axis positions can be realized by arranging the equal-height block 13 serving as a cushion block between the ball head and the part, changing the distance between the first measuring needle 1 and the second measuring needle 14 and the axis of the rod frame 6 and changing the distance between the ball head and the axis of the rod frame 6, so that the scheme is adopted, a plurality of numerical values can be conveniently obtained along the axis direction of the belt tip to reflect the parameters of the belt tip, and the condition of the belt tip can be conveniently and comprehensively known; compared with a high-precision measuring instrument in the prior art, the high-precision measuring instrument is low in setting and using cost, convenient to operate and portable in scheme due to small size and simple structure.
Example 2:
This embodiment is further limited on the basis of embodiment 1, as shown in fig. 1 to 3, as a person skilled in the art, in the above-disclosed solution, because the lever 8 rotates when the present device is used, and the existing displacement detecting device 11 satisfying the above operation can provide a certain stroke to satisfy the change of the position of the upper end of the lever 8, but considering the adaptive range of the present detecting device, it is configured as follows: at least one of the measuring rod 5 and the lever 8 is adjustable in the connecting position on the axis of the rod frame 6. In this scheme, the position adjustment is used for making this device can adapt to bigger aperture, diameter measurement range promptly.
as a lever 8 on the axis of the rod frame 6 adjustable in position, and in the position adjustment process, the main body of the displacement detection device 11 is fixed relatively to the position of the articulated shaft, so as to facilitate the technical scheme of debugging when the device is used, the connecting position of the lever 8 on the axis of the rod frame 6 is adjustable: the lever 8 is connected with the rod frame 6 through the jacket 7;
the lever 8 is hinged with the jacket 7 through the hinge station, and the jacket 7 is sleeved on the rod frame 6 through a clamping space at the upper end of the jacket;
the jacket 7 can slide along the axial direction of the rod frame 6, and further comprises a screw for realizing the relative fixation of the jacket 7 and the rod frame 6;
The displacement detecting means 11 is fixed to the jacket 7. In this scheme, slide along the pole frame 6 through pressing from both sides cover 7 and accomplish the position adjustment of lever 8 on the axis of pole frame 6, after reaching required position, accomplish corresponding relative position through the screw and fix can. In the above position adjustment process, since the displacement detecting means 11 is fixed to the jacket 7, the position of the displacement detecting means 11 with respect to the lever 8 is always fixed without rotating the lever 8.
as each ball head is adjustable in position on the axis of the rod frame 6, the ball head can provide reliable support for the rod frame 6 under different application conditions of the device, and the device is arranged as follows: the number of the ball heads is three, and the number of the ball heads is respectively as follows: the ball head fixing device comprises a first ball head 2, a second ball head 15 and a third ball head 16, wherein the support comprises a left support 3 and a right support 9, one ball head is fixed at the lower end of one of the left support 3 and the right support 9, two ball heads are fixed at the lower end of the other one of the left support 3 and the right support 9, clamping spaces are respectively arranged at the upper ends of the left support 3 and the right support 9, the left support 3 and the right support 9 are respectively sleeved on a rod frame 6 through the respective clamping spaces, and the left support 3 and the right support 9 are respectively connected with a set screw 4 for realizing the respective position fixation on the axis of the rod frame 6;
along the axis of the rod frame 6 axis, the arrangement sequence of the left bracket 3, the right bracket 9, the measuring rod 5 and the lever 8 is adjustable: can be adjusted as follows: the measuring bar 5 and the lever 8 are both clamped between the left bracket 3 and the right bracket 9, and the left bracket 3 and the right bracket 9 are both clamped between the measuring bar 5 and the lever 8. In this scheme, the plane that the lower surface that utilizes three bulb constitutes cooperates with the tip plane of part, in the structural design of above left socle 3 and right branch frame 9, conveniently accomplishes the order adjustment. The concrete application is as follows: when the upper belt of the hole is measured, the scheme that the measuring rod 5 and the lever 8 are clamped between the left bracket 3 and the right bracket 9, and the end parts of the first measuring pin 1 and the second measuring pin 14 face opposite directions is adopted; when the shaft upper belt is measured, the scheme that the left support 3 and the right support 9 are clamped between the measuring rod 5 and the lever 8, and the end parts of the first measuring needle 1 and the second measuring needle 14 face to each other is adopted. This scheme of adoption, contact point both sides all have the bulb that is used for providing the support in other words, like this, not only this device operation, this device does benefit to with part complex stability simultaneously and guarantees measurement accuracy. The opposite orientation means the opposite orientation.
For convenience of the arrangement sequence adjustment, the arrangement sequence is set as follows: the measuring rod 5 and the lever 8 are sleeved on the rod frame 6 through annular clamping spaces, and locking pieces used for locking the positions of the measuring rod 5 and the lever 8 on the rod frame 6 are arranged between the measuring rod 5 and the rod frame 6 respectively. By adopting the connection mode and the structure form, if the locking piece or the set screw 4 is used for enclosing a clamping space, the clamping space at the upper ends of the measuring rod 5, the left bracket 3, the right bracket 9 and the jacket 7 can be utilized to complete the embedding of the rod frame 6 or the removal of the rod frame 6 from the opening of the clamping space when the corresponding material is subjected to plastic deformation, and then the locking piece or the set screw 4 is connected; the corresponding detachment or fitting can also be accomplished by sliding or inserting the clamping space from the end of the bar frame 6 by means of a preceding or subsequent operation of the locking element or set screw 4. As a person skilled in the art, the locking member can also adopt a set screw 4; and the set screw 4 is not limited to being a part enclosing the clamping space: if the set screw 4 is the set screw 4 which is screwed on the complete circular hoop body, positive pressure is generated between the end part of the set screw 4 and the rod frame 6, and the relative position fixation is realized by the friction force generated by the positive pressure.
As described above, as an implementation scheme that can make the present detection apparatus adapt to a larger measurement range: the ball head gasket further comprises a plurality of groups of gasket groups, each group of gasket groups comprises a plurality of equal-height blocks 13, the number of the equal-height blocks is equal to that of the ball heads, the equal-height blocks 13 in the same group of gasket groups are equal in thickness, and the equal-height blocks 13 in different gasket groups are different in thickness. When the gasket is specifically used, the equal-height blocks 13 in the gasket set with the specific thickness are adopted for measuring the pore diameters or diameters of the same part at different axial positions.
As another implementation scheme capable of enabling the detection device to be suitable for a larger measurement range, the distance between each ball head and the rod frame 6 is linearly adjustable. In this scheme, inject adjustable accessible threaded connection and realize, if to above left socle 3 and right branch frame 9, can set up to left socle 3 and right branch frame 9 and be the sectional type design, the paragraph of constituteing left socle 3 and right branch frame 9 all establishes ties through threaded connection, imbeds cushion 12 at the cooperation position, utilizes the several millimeters elastic deformation that present cushion 12 can produce, satisfies the requirement of current area length a bit: the two sections connected in series clamp the elastic pad 12, the elastic pad 12 is compressed in the elastic deformation range allowed by the elastic pad, the generated elastic force plays a role in preventing looseness, and the elastic deformation change of the elastic pad 12 follows the length change of the left bracket 3 and the right bracket 9. As described above, for the implementation scheme adapted to a larger measurement range, the distance between the first measuring head and the rod frame 6 and the distance between the second measuring head and the rod frame 6 may be adjusted, but considering that the directions of the respective ends of the first measuring head and the second measuring head need to be considered, when the scheme that the elastic pad 12 is clamped by the sectional design and two sections is adopted, the directions of the corresponding ends become variables, and the adoption of other structural designs makes the structure of the device too complicated and the adjustment precision is not easy to reach the above mode of clamping the elastic pad 12, so the mode of adjusting the distance between the ball head and the rod frame 6 is preferably adopted.
as mentioned above, because this detection device accessible operator stabilizes this device and rotates the mode of this device and accomplish corresponding measurement when using, for avoiding the measurement accuracy that the heat influences this device as far as possible, set up to: and also comprises a heat insulation ring 10 sleeved on the rod frame 6. The above heat insulation ring 10 is the position for the operator to hold or restrain the device.
For convenient operation, the method comprises the following steps: the heat insulation ring 10 is positioned above the first measuring pin 1. In the above, the first stylus 1 is used as the rotation origin to operate the device, but for specific applications, the second stylus 14 may be used as the rotation origin, but in the manner that the second stylus 14 is used to rotate the origin, the lever 8 may rotate due to the force applied by the operator to the detection device, and the first stylus 1 does not contact with the part, so the position limitation of the thermal insulation ring 10 actually limits the stressed part of the detection device when the detection device is operated, so as to avoid the above situation.
Embodiment 3, this embodiment provides a method for detecting a hole and a shaft tip, in which the detection apparatus provided in any one of the above embodiments is used to detect the size of the hole and the shaft tip, and the method includes the following steps:
S1, adjusting the installation sequence: according to the type of the detected part, the orientation of the end parts of the first measuring pin 1 and the second measuring pin 14 is adjusted: when the belt tip is a belt tip on the belt tip hole, the end part of the first measuring needle 1 is adjusted to be opposite to the end part of the second measuring needle 14; when the tape tip is on the tip axis, the end of the first stylus 1 is adjusted to be in an opposing relationship to the end of the second stylus 14.
s2, diameter detection: slightly detecting a hole zone, supporting each point of a ball head on the end face of a part, inserting a first measuring pin 1 and a second measuring pin 14 into a hole, contacting the end parts of the first measuring pin 1 and the second measuring pin 14 with the hole wall of the hole, locating two contact points on the same axis position of the part, rotating on a plane determined by the ball head by taking the end part of the first measuring pin 1 or the end part of the second measuring pin 14 as a rotating support origin, and taking the maximum distance between the end part of the first measuring pin 1 and the end part of the second measuring pin 14 measured by a displacement detection device 11 as the diameter of the hole;
Aiming at the shaft belt detection, all points of a ball head are supported on the end face of a part, the end parts of a first measuring pin 1 and a second measuring pin 14 are contacted with the side wall of the part, two contact points are positioned at the same axial line position of the part, the end part of the first measuring pin 1 or the end part of the second measuring pin 14 is taken as a rotating support origin point, the first measuring pin 1 or the second measuring pin 14 rotates on a plane determined by the ball head, and the maximum value of the distance between the end part of the first measuring pin 1 and the end part of the second measuring pin 14 measured by a displacement detection device 11 is taken as the diameter of a hole;
s3, multipoint diameter detection: the positions of the two contact points on the axis of the part are changed, and the diameter measurement of the hole or the shaft at the other axis positions of the part is completed by using the method provided by the step S2.
preferably, it is set that the end of the first stylus 1 is used as a support origin of rotation in step S2.
as a further technical scheme of the detection method, considering processing errors and assembly errors, in order to be beneficial to measuring precision, the detection method is set as follows: between steps S1 and S2, a parallelism adjusting step is further included: the vertices of each ball for interaction with the piece are adjusted so that they are equidistant from the axis of the bar support 6.
In consideration of the convenience degree, the displacement detecting device 11 uses a dial indicator, and before performing step S2, the method further includes a calibration step: and detecting the shaft belt tip, using a gauge block as a data zeroing tool, detecting the hole belt tip, and using the diameter of the ring gauge as the data zeroing tool. The method specifically comprises the following steps: and step S2, after the part is replaced with the data zeroing tool, rotating on the positioning surface determined by the ball head with the end of the first measuring pin 1 or the end of the second measuring pin 14 as the rotating support origin, and clearing the dial indicator when the maximum diameter value corresponding to the data zeroing tool is found.
the foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.

Claims (9)

1. The detection device for the hole and shaft belt tip comprises a displacement detection device (11) and is characterized by further comprising a rod frame (6), a support, a measuring rod (5), a lever (8) and a plurality of ball heads, wherein the rod frame (6) is in a straight rod shape, a hinge station positioned between the upper end and the lower end of the lever (8) is arranged on the lever (8), the upper end of the measuring rod (5) is fixedly connected with the rod frame (6), the lever (8) is hinged with the rod frame (6) through a hinge shaft arranged on the hinge station, and the lever (8) and the measuring rod (5) are arranged at different axial positions of the rod frame (6);
The lower extreme of measuring staff (5) is provided with first survey needle (1), and the lower extreme of lever (8) is provided with second survey needle (14), and the tip orientation of first survey needle (1) and second survey needle (14) is all adjustable, and is adjustable: the end part of the first measuring pin (1) is in a direct-facing relation with the end part of the second measuring pin (14), and the end part of the first measuring pin (1) is in a back-to-back relation with the end part of the second measuring pin (14);
The lever (8) can rotate around the hinge shaft until the connecting line of the end part of the first measuring needle (1) and the end part of the second measuring needle (14) is parallel to the axis of the rod frame (6);
in the process that the lever (8) can rotate around the hinge shaft, the distance between the end part of the first measuring needle (1) and the end part of the second measuring needle (14) in the axial direction of the rod frame (6) is changed;
The ball heads are all arranged on the rod frame (6) through a support, the ball heads, the first measuring pins (1) and the second measuring pins (14) are all located on the same side of the rod frame (6), the lower surfaces of the ball heads are located on the same plane, and the plane is parallel to the axis of the rod frame (6);
the displacement detection device (11) is used for detecting the displacement of the upper end of the lever (8).
2. Device according to claim 1, characterized in that at least one of the measuring bar (5) and the lever (8) is adjustable in the position of the connection to the axis of the bar support (6).
3. a device for detecting holes and shaft tips according to claim 2, characterized in that the connecting position of the lever (8) on the axis of the bar frame (6) is adjustable: the lever (8) is connected with the rod frame (6) through the jacket (7);
The lever (8) is hinged with the jacket (7) through the hinge station, and the jacket (7) is sleeved on the rod frame (6) through a clamping space at the upper end of the jacket;
the jacket (7) can slide along the axial direction of the rod frame (6), and the clamp also comprises a screw for fixing the jacket (7) and the rod frame (6) relatively;
the displacement detection device (11) is fixed on the jacket (7).
4. the device for detecting the hole and the shaft tip as claimed in claim 1, wherein the number of the ball heads is three, which are respectively as follows: the ball head fixing device comprises a first ball head (2), a second ball head (15) and a third ball head (16), wherein the support comprises a left support (3) and a right support (9), one ball head is fixed at the lower end of one of the left support (3) and the right support (9), two ball heads are fixed at the lower end of the other one of the left support and the right support, clamping spaces are respectively arranged at the upper ends of the left support (3) and the right support (9), the left support (3) and the right support (9) are respectively sleeved on a rod frame (6) through the respective clamping spaces, and the left support (3) and the right support (9) are respectively connected with a set screw (4) for realizing the respective position fixing on the axis of the rod frame (6);
along the axis of the rod frame (6), the arrangement sequence of the left bracket (3), the right bracket (9), the measuring rod (5) and the lever (8) is adjustable: can be adjusted as follows: the measuring rod (5) and the lever (8) are clamped between the left bracket (3) and the right bracket (9), and the left bracket (3) and the right bracket (9) are clamped between the measuring rod (5) and the lever (8).
5. The device for detecting the hole and shaft belt tip as claimed in claim 4, wherein the measuring rod (5) and the lever (8) are sleeved on the rod frame (6) through annular clamping spaces, and locking pieces for locking the positions of the measuring rod (5) and the lever (8) on the rod frame (6) are arranged between the rod frame (6) and the measuring rod (5) and the lever (8).
6. the detection device for the hole and shaft pin of claim 1, further comprising a plurality of groups of gasket groups, wherein each group of gasket groups comprises a plurality of equal-height blocks (13) with the same number as the ball heads, the equal-height blocks (13) in the same group of gasket groups have the same thickness, and the equal-height blocks (13) in different gasket groups have different thicknesses.
7. The device for detecting the hole and shaft belt tip as claimed in claim 1, wherein the distance between each ball head and the rod frame (6) is linearly adjustable.
8. A device for detecting hole and shaft pins as claimed in claim 1, further comprising a heat insulating ring (10) fitted over the bar frame (6).
9. A device for detecting hole and shaft tips as claimed in claim 8, wherein the heat insulating ring (10) is located above the first measuring pin (1).
CN201920801602.5U 2019-05-30 2019-05-30 Detection device for hole and shaft belt pin Active CN209745191U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920801602.5U CN209745191U (en) 2019-05-30 2019-05-30 Detection device for hole and shaft belt pin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920801602.5U CN209745191U (en) 2019-05-30 2019-05-30 Detection device for hole and shaft belt pin

Publications (1)

Publication Number Publication Date
CN209745191U true CN209745191U (en) 2019-12-06

Family

ID=68723261

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920801602.5U Active CN209745191U (en) 2019-05-30 2019-05-30 Detection device for hole and shaft belt pin

Country Status (1)

Country Link
CN (1) CN209745191U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110081797A (en) * 2019-05-30 2019-08-02 中国工程物理研究院机械制造工艺研究所 For the detection device and detection method of hole, axis band slightly
CN114322713A (en) * 2021-12-30 2022-04-12 中国航空工业集团公司金城南京机电液压工程研究中心 Lever type inner hole measuring clamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110081797A (en) * 2019-05-30 2019-08-02 中国工程物理研究院机械制造工艺研究所 For the detection device and detection method of hole, axis band slightly
CN110081797B (en) * 2019-05-30 2023-11-28 中国工程物理研究院机械制造工艺研究所 Detection device and detection method for hole and shaft belt tip
CN114322713A (en) * 2021-12-30 2022-04-12 中国航空工业集团公司金城南京机电液压工程研究中心 Lever type inner hole measuring clamp

Similar Documents

Publication Publication Date Title
CN209745191U (en) Detection device for hole and shaft belt pin
CN109015108A (en) A kind of lathe part alignment device
KR101172581B1 (en) Micrometer having adjustment anvil
CN213041141U (en) Diameter measuring instrument
CN110081797B (en) Detection device and detection method for hole and shaft belt tip
CN104713440A (en) Quantitative measurement caliper gauge
CN203550937U (en) Large-size meter-provided right angle verticality measurement gauge
CN110657733A (en) Petroleum pipe special buckle double-sealing surface diameter measuring instrument and measuring method
CN115962702A (en) Portable detection device and detection method
CN104374277A (en) Hole diameter measuring tool
CN214747674U (en) Pipeline internal and external diameter measuring device
CN213984804U (en) Micrometer indication error calibrating installation
CN210689464U (en) Conical surface thickness dimension measuring device
CN208841043U (en) A kind of lathe part alignment device
CN111678399A (en) Checking fixture for rapidly detecting values of measuring points of automobile parts
CN112945046A (en) Plug gauge calibrating tool and method
CN216081371U (en) Special measuring tool for special-shaped parts
CN220322334U (en) Height verification tool
CN217877631U (en) Digital display detection device for measuring diameter of cylinder and thickness of sheet blank
CN216977738U (en) Measuring device for non-full-circle inner diameter
CN216523574U (en) Detection measuring tool
CN204421793U (en) A kind of quantitative measurment calliper
CN211373450U (en) Special measuring tool for V-shaped ring groove
CN218916166U (en) Portable detection device
CN221349951U (en) Length difference measuring tool

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant