CN216012137U - Measuring device and measuring system - Google Patents
Measuring device and measuring system Download PDFInfo
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- CN216012137U CN216012137U CN202122424078.4U CN202122424078U CN216012137U CN 216012137 U CN216012137 U CN 216012137U CN 202122424078 U CN202122424078 U CN 202122424078U CN 216012137 U CN216012137 U CN 216012137U
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Abstract
The utility model relates to a relevant measurement technical field of operation machinery, its purpose provides a measuring device and measurement system, can detect operation machinery main platform simultaneously and open a grade size and sell shaft hole internal diameter size, and detection efficiency is high, can satisfy high standard required precision. The measuring device comprises a rotating mechanism, a linear moving mechanism and a measuring mechanism, wherein the rotating mechanism is suitable for driving the linear moving mechanism and the measuring mechanism to rotate around a z axis; the linear moving mechanism is arranged on the rotating mechanism and is suitable for driving the measuring mechanism to move linearly along the x axis; the measuring mechanism is arranged on the linear moving mechanism and used for measuring the inner diameter size and the opening size of the hole to be measured. The utility model provides a current detection instrument can not detect the operation machinery main platform simultaneously and open a grade size and round pin shaft hole internal diameter size, detect the problem that the precision is poor, detection efficiency is low.
Description
Technical Field
The utility model relates to a relevant measurement technical field of structure, concretely relates to measuring device and measurement system.
Background
After the main platform assembly of the operation machinery such as an excavator is welded, the opening size of the main platform and the inner diameter of a pin shaft hole need to be measured so as to detect whether the machining error is within a specified dimensional tolerance range, and then subsequent assembly is carried out. Generally, the detection process is performed manually, and a field worker generally uses a measuring tool such as a tape measure or a caliper to measure the shift dimension (precision 0.1) and the pin hole bore diameter (precision 0.01). However, when a measuring tape or a caliper is used for measurement, the operation is difficult for a single person, the average manual measurement time is more than 2 minutes, the measurement efficiency is very low, and a plurality of human factors are mixed in the measurement process, so that the measurement error is large, the measurement precision cannot meet the precision requirement of the dimensional tolerance, and the main platform with unqualified size may flow into a subsequent assembly line, so that the assembly quality of the working machine is influenced, and the failure rate of the working machine in the future working process is increased.
Although some measuring tools capable of detecting the main platform opening size also appear in the prior art, the detection of the pin shaft hole inner diameter still depends on manual measurement, the assembly quality and the assembly efficiency of the operation machine cannot be effectively improved, the detection precision still cannot meet the requirement of dimensional tolerance precision, and the high-standard assembly requirement of the current operation machine cannot be met.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming prior art's detection instrument can not detect the operation machinery main platform simultaneously and open a grade size and sell shaft hole internal diameter size, detect the defect that the precision is poor, detection efficiency is low to provide one kind can detect operation machinery main platform simultaneously and open a grade size and sell shaft hole internal diameter size, detection efficiency is high, can satisfy high standard required precision's measuring device and measurement system.
In order to solve the above problem, the present invention provides a measuring device, which includes a rotating mechanism, a linear moving mechanism and a measuring mechanism, wherein the rotating mechanism is adapted to drive the linear moving mechanism and the measuring mechanism to rotate around a z-axis; the linear moving mechanism is arranged on the rotating mechanism and is suitable for driving the measuring mechanism to move linearly along the x axis; the measuring mechanism is arranged on the linear moving mechanism and used for measuring the inner diameter size and the opening size of the hole to be measured.
Optionally, the measuring mechanism includes an inner diameter measuring part, at least one opening size measuring part and a driving assembly, and the driving assembly is adapted to drive the inner diameter measuring part and the opening size measuring part to rotate around the axial direction of the opening size measuring part.
Optionally, the hole inner diameter measuring part is a pneumatic detector, the axial direction of the pneumatic detector is parallel to the x-axis direction and the axial direction of the hole to be measured, the pneumatic measuring head is arranged at one end, facing the hole to be measured, of the casing of the pneumatic detector, and the outer diameter of the pneumatic measuring head is smaller than the inner diameter of the hole to be measured;
the open-gear size measuring piece is a displacement sensor, the displacement sensor is arranged on the cylindrical surface of the shell of the pneumatic detector, and a displacement measuring head of the displacement sensor is suitable for contacting the hole forming plate to be measured;
the driving assembly comprises a motor, a coupler and a rotary bearing, wherein the coupler and the rotary bearing are sequentially connected with an output shaft of the motor, and the rotary bearing is fixedly connected with the end face, far away from the hole to be detected, of the pneumatic detector shell.
Optionally, the number of the displacement sensors is two, and the two displacement sensors are symmetrically arranged with respect to the radial direction of the pneumatic detector.
Optionally, the pneumatic detector is mounted on the measuring mechanism mounting plate through a pneumatic detector mounting seat, and the motor is mounted on the measuring mechanism mounting plate through a motor mounting seat;
the linear movement mechanism comprises a linear movement mechanism mounting plate, an extending direction and a track parallel to the axial direction of the pneumatic detector are arranged on the linear movement mechanism mounting plate, the measuring mechanism mounting plate is arranged on the track, and the measuring mechanism mounting plate is driven by the linear movement driving piece to move along the track.
Optionally, the linear motion driving piece is a linear cylinder, a telescopic rod of the linear cylinder is parallel to the x-axis direction, the linear cylinder is arranged on the linear motion mechanism mounting plate through a linear cylinder mounting seat, the telescopic rod is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the measuring mechanism mounting plate.
Optionally, the rotating mechanism comprises a rotating mechanism mounting plate, a rotating driving piece is arranged on the rotating mechanism mounting plate, and the linear moving mechanism mounting plate is arranged on the rotating driving piece.
Optionally, the pneumatic detector further comprises an x-axis adjusting mechanism for adjusting the position of the linear cylinder in the x-axis direction and a y-axis adjusting mechanism for adjusting the position of the pneumatic detector in the y-axis direction.
Optionally, the x-axis adjusting mechanism includes an x-axis adjusting waist hole formed at an assembly position of the linear cylinder mounting seat and the linear moving mechanism mounting plate; the y-axis adjusting mechanism comprises a y-axis adjusting waist hole formed in the assembly position of the pneumatic detector mounting seat and the measuring mechanism mounting plate.
A measuring system is provided with the measuring device and a control mechanism for controlling the operation of the measuring device.
The utility model has the advantages of it is following:
(1) the utility model provides a measuring device, including slewing mechanism, linear motion mechanism and measuring mechanism, possess simultaneously and measure the function of bore diameter size and the measurement size of opening a grade of awaiting measuring, can be applied to the main platform equipment process of operation machinery such as excavator, no longer need manual measurement, length within 1 minute during the detection of single unit machinery, detection efficiency is very high, the error is little, can satisfy high standard required precision, provide reliable guarantee for the follow-up assembling process of operation machinery, reduce equipment failure rate, and device overall structure is simple, the design concept is ingenious, easy operation, high reliability.
(2) The utility model provides a measuring device, wherein measuring mechanism mesopore internal diameter measurement spare is pneumatic detector, and open a shelves size measurement spare is displacement sensor, when setting up two displacement sensor and the two when setting up for pneumatic detector's radial symmetry, only need pneumatic detector to rotate 180 during the measuring orifice internal diameter, can gather data comprehensively and then calculate and obtain corresponding measurement size value, convenient operation, detection efficiency is high.
(3) The utility model provides a measuring system has the utility model discloses a measuring device and the control mechanism who controls this measuring device operation, but wide application detect in the main platform equipment of operation machinery such as excavators, and detection efficiency is high, and the error is little, can satisfy high standard required precision, and the operation machinery fault rate that adopts this measuring system to detect is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 shows a schematic view of the measuring device of the present invention when applied to the main platform of an excavator;
fig. 2 shows a schematic view of a rotating mechanism in the measuring device of the present invention;
fig. 3 shows a schematic view of a linear moving mechanism in the measuring device of the present invention;
fig. 4 shows a schematic diagram of a measuring mechanism and a linear moving mechanism in the measuring device of the present invention.
Description of reference numerals:
1-scaffold, 101-strut;
201-a pneumatic detector, 2011-a pneumatic measuring head, 2012-a pneumatic detector shell, 2013-a vent hole, 202-a displacement sensor, 2021-a displacement measuring head, 203-a motor, 204-a coupler, 205-a slewing bearing, 206-a pneumatic detector mounting seat, 207-a motor mounting seat, 208-a measuring mechanism mounting plate, 209-y-axis adjusting waist hole and 210-a displacement sensor mounting seat;
301-linear moving mechanism mounting plate, 302-track, 303-linear cylinder, 3031-telescopic rod, 304-linear cylinder mounting seat, 305-connecting plate and 306-x axis adjusting waist hole;
401-rotating mechanism mounting plate, 402-rotating cylinder, 4021-rotating disc;
and 5, forming a plate with the hole to be detected.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, be the utility model discloses measuring device's preferred embodiment, the utility model discloses a measuring device is applicable to the main platform equipment process of operation machinery such as excavator, uses measuring device to be applied to the equipment process of excavator main platform in this embodiment as an example, the shaping remains the hole of awaiting measuring on the hole profiled sheeting 5 that awaits measuring of excavator main platform both sides, this hole of awaiting measuring is for selling the shaft hole, this round pin shaft hole is used for assembling the power arm of excavator, the measuring device of this embodiment is used for measuring the distance (open the shelves size promptly) between the hole profiled sheeting 5 that awaits measuring of both sides to and measure round pin shaft hole internal diameter size (the internal diameter size of awaiting measuring promptly).
The utility model discloses a measuring device includes slewing mechanism, rectilinear movement mechanism and measuring mechanism, and in this embodiment, slewing mechanism, rectilinear movement mechanism and measuring mechanism set up on support 1. The stent 1 comprises two struts 101 having a length, preferably the two struts 101 extend in the same direction and parallel to each other. The rotating mechanism, the linear moving mechanism and the measuring mechanism are arranged between the two supporting rods 101, when the measuring device is used for detection, the support 1 is placed in the middle of the main platform of the excavator, and the two supporting rods 101 place the mechanisms between the two hole forming plates 5 to be detected.
The rotating mechanism is arranged on the support 1 and is suitable for driving the linear moving mechanism and the measuring mechanism to rotate around the z axis, the linear moving mechanism is arranged on the rotating mechanism and is suitable for driving the measuring mechanism to linearly move along the x axis, and the measuring mechanism is arranged on the linear moving mechanism and is used for measuring the inner diameter size and the opening size of the hole to be measured. It should be noted that, the utility model discloses in indicate x axle direction, y axle direction can be the horizontal direction, also can be other directions, and same z axle direction can be vertical direction, also can be other directions, the utility model discloses do not restrict measuring device's direction of use and use angle. Specifically, in this embodiment, the x-axis direction and the y-axis direction are horizontal directions, and the z-axis direction is a vertical direction.
As shown in fig. 2, the rotating mechanism includes a rotating mechanism mounting plate 401 and a rotating driving member, in this embodiment, the rotating driving member is a rotating cylinder 402, two sides of the rotating mechanism mounting plate 401 are respectively connected to the two supporting rods 101 of the bracket 1, and the connection manner may be a bolt fastening connection or other common manners. The rotating cylinder 402 is provided on the rotating mechanism mounting plate 401. The upper portion of the rotating cylinder 402 is a circular turntable 4021, and the rotating cylinder 402 can drive the linear moving mechanism and the measuring mechanism to rotate 360 degrees in the horizontal plane.
As shown in fig. 3, the linear motion mechanism includes a linear motion mechanism mounting plate 301, the linear motion mechanism mounting plate 301 is disposed on a turntable 4021 of the rotating cylinder 402, and the connection between the two may be a conventional connection such as a bolt fastening connection. The linear moving mechanism mounting plate 301 is provided with a track 302, the track 302 is a linear track extending along the x-axis direction, the measuring mechanism mounting plate 208 is arranged on the track 302, and the measuring mechanism mounting plate 208 can move along the track 302 under the driving of the linear moving driving member. The bottom of measuring mechanism mounting panel 208 and the assembly structure that has the matching between track 302, the utility model discloses do not specifically limit to the assembly structure between measuring mechanism mounting panel 208 and the track 302, as long as enable measuring mechanism mounting panel 208 and set up steadily on track 302, and measuring mechanism mounting panel 208 can smoothly slide along track 302 can.
In this embodiment, the linear motion driving member is a linear air cylinder 303, the telescopic rod 3031 of the linear air cylinder 303 is parallel to the x-axis direction, and the linear air cylinder 303 is disposed on the linear motion mechanism mounting plate 301 through a linear air cylinder mounting block 304. The linear cylinder mounting base 304 is an L-shaped plate, the bottom plate of which is connected with the linear moving mechanism mounting plate 301 in a bolt fastening manner, and the vertical plate of which is connected with the linear cylinder 303. The telescopic rod 3031 is fixedly connected with the connecting plate 305, the connecting plate 305 is also an L-shaped plate, the bottom plate of the connecting plate is connected with the measuring mechanism mounting plate 208 through a bolt fastening mechanism, and the vertical plate of the connecting plate is connected with the telescopic rod 3031. The telescopic rod 3031 can be extended or shortened under the control of the linear cylinder 303, so as to drive the connecting plate 305, the measuring mechanism mounting plate 208 and the measuring mechanism arranged on the measuring mechanism mounting plate 208 to move together along the track 302.
As shown in fig. 4, the measuring mechanism includes a bore diameter measuring member, at least one opening dimension measuring member, and a driving assembly adapted to drive the bore diameter measuring member and the opening dimension measuring member to rotate around an axial direction of the opening dimension measuring member.
In this embodiment, the hole inner diameter measuring device is a pneumatic detector 201, the axial direction of the pneumatic detector 201 is parallel to the x-axis direction, the axial direction of the hole to be measured (i.e., the pin shaft hole), and the extending direction of the rail 302, and the pneumatic detector 201 includes a pneumatic detector housing 2012 and a pneumatic measuring head 2011. The pneumatic detector 201 is mounted on the measuring mechanism mounting plate 208 through a pneumatic detector mounting seat 206, the pneumatic detector mounting seat 206 is also an L-shaped plate, a bottom plate of the pneumatic detector is connected with the measuring mechanism mounting plate 208 through a bolt fastening mechanism, and a vertical plate of the pneumatic detector is connected with a pneumatic detector shell 2012. To make the pneumatic detector 201 more robust, the L-shaped web 305 has a notch in its riser on which the pneumatic detector housing 2012 rests.
The pneumatic probe 2011 is disposed at an end of the pneumatic detector casing 2012 facing the hole to be measured, and an outer diameter of the pneumatic probe 2011 is smaller than an inner diameter of the hole to be measured (i.e., the pin hole). The outer wall of the pneumatic probe 2011 has two air vents 2013, and the two air vents 2013 are arranged symmetrically with respect to the radial direction of the pneumatic probe 2011. When the inner diameter of the pin shaft hole is measured, the pneumatic side head 2011 is inserted into the pin shaft hole, the two vent holes 2013 give out air, and the value of the inner diameter of the pin shaft hole is converted according to the air pressure change value in the measuring process. Since the pneumatic detector 201 is a conventional device, the working principle of the pneumatic detector will not be described in detail in this embodiment.
In this embodiment, the opening size measuring device is a displacement sensor 202, the displacement sensor 202 is disposed on a cylindrical surface of the pneumatic detector housing 2012, two planes are cut on the cylindrical surface of the pneumatic detector housing 2012, a displacement sensor mounting seat 210 is mounted on the planes, the displacement sensor mounting seat 210 is also an L-shaped plate, a bottom plate of the L-shaped plate is connected with the plane on the cylindrical surface of the pneumatic detector housing 2012 in a bolt fastening manner, and a vertical plate of the L-shaped plate is connected with the displacement sensor 202. In the present embodiment, the axial direction of the displacement sensor 202 is parallel to the x-axis direction, the axial direction of the hole to be measured (i.e., the pin hole), and the axial direction of the pneumatic detector 201.
The displacement sensor 202 is provided with a displacement measuring head 2021, the displacement measuring head 2021 can deform along the axial direction thereof under the action of external force, specifically, the displacement measuring head 2021 is suitable for contacting the hole forming plate 5 to be measured, and can deform along the axial direction of the displacement sensor 202 after contacting the hole forming plate 5 to be measured, and the open-grade size value of the main platform can be calculated according to the displacement variation of the displacement measuring head 2021. Since the displacement sensor 202 is a conventional device, the working principle of the displacement sensor will not be described in detail in this embodiment.
The driving assembly comprises a motor 203, a coupler 204 and a rotary bearing 205 which are sequentially connected with an output shaft of the motor 203, and the rotary bearing 205 is fixedly connected with the end face, far away from the hole to be measured, of the pneumatic detector shell 2012. The motor 203 is mounted on the measuring mechanism mounting plate 208 through a motor mounting seat 207, the motor mounting seat 207 is also an L-shaped plate, a bottom plate of the motor is connected with the measuring mechanism mounting plate 208 in a bolt fastening mode, and a vertical plate of the motor is connected with the motor 203. In the present embodiment, the motor 203, the coupling 204, and the slewing bearing 205 are disposed coaxially with the pneumatic detector 201. When the motor 203 is started, the output shaft thereof drives the coupling 204 and the rotary bearing 205 to rotate together, and further drives the pneumatic detector 201 to rotate around the axial direction thereof.
In the present embodiment, the displacement sensors 202 are two, and the two displacement sensors 202 are symmetrically arranged with respect to the radial direction of the pneumatic detector 201. Like this, only need during the measurement motor 203 drive pneumatic detector 201 and rotate 180 and can accomplish the detection of measuring the downthehole diameter a week, improve detection efficiency.
The utility model discloses a measuring device still includes x axle adjustment mechanism and y axle adjustment mechanism, and wherein, x axle adjustment mechanism is used for adjusting sharp cylinder 303x axle direction position, and y axle adjustment mechanism is used for adjusting pneumatic detector 201y axle direction position. Specifically, the x-axis adjusting mechanism comprises a y-axis adjusting waist hole 306 formed at the assembly position of the linear cylinder mounting seat 304 and the linear moving mechanism mounting plate 301, and the x-axis position of the linear cylinder 303 can be finely adjusted through the waist hole 306, so that the device has better flexibility and matching performance. The y-axis adjusting mechanism comprises an x-axis adjusting waist hole 209 formed at the assembling position of the pneumatic detector mounting seat 206 and the measuring mechanism mounting plate 208, and the y-axis position of the pneumatic detector 201 can be finely adjusted through the waist hole 209, so that the device has better flexibility and matching property. Further, the utility model discloses an all pilot holes can set up to the waist hole among the measuring device.
The utility model also provides a measurement system has the utility model discloses a measuring device and control mechanism of control measuring device operation. Under control mechanism's control, measuring device can accomplish the detection of operation machinery main platform size of opening a shelves and round pin shaft hole internal diameter size simultaneously, and detection efficiency is high, and the error is little, can satisfy high standard required precision. Moreover, the measuring system can be applied to the assembly process of the main platform of the working machine such as an excavator and the like, and has a wide application range.
Following the utility model discloses a measurement system's measurement process is narrated:
(1) before measurement, the pneumatic detector 201 and the displacement sensor 202 of the measurement device need to be calibrated at a position of "0", for the pneumatic detector 201, a certain air pressure feedback value needs to be set to be "0" in advance, for the displacement sensor 202, the displacement feedback value needs to be set to be "0" in advance when the displacement measuring head 2021 of the displacement sensor has no deformation, and the operation is the conventional known content and is not described in detail;
(2) after the 0 position calibration is completed, the bracket 1 of the measuring device is placed in the middle of the main platform of the excavator to be measured, the rotating mechanism, the linear moving mechanism and the measuring mechanism are placed between the two hole forming plates 5 to be measured, and the pneumatic measuring head 2011 is aligned with the hole to be measured (namely, the pin shaft hole) on one side;
(3) controlling a linear cylinder 303 of the linear moving mechanism to enable the measuring mechanism to approach the hole to be measured along a track 302, wherein the walking distance of the measuring mechanism is a preset stroke distance, a pneumatic measuring head 2011 is inserted into the hole to be measured, and a small gap is formed between the outer wall of the pneumatic measuring head 2011 and the inner wall of the hole to be measured;
(4) the motor 203 for driving the measuring mechanism rotates the pneumatic detector 201 and the pneumatic probe 2011 around the axial direction thereof, and simultaneously ventilates the vent 2013 to eject the gas from the vent 2013, and the inner diameter value R of the side pin shaft hole is converted according to the air pressure change value1(ii) a At the same time, the displacement probe 2021 will contact the hole-to-be-measured molding plate 5, the displacement probe 2021 will deform in the axial direction of the displacement sensor 202, and the amount of displacement change S on the side is recorded1；
(5) The rotating cylinder 402 of the rotating mechanism is controlled to drive the linear moving mechanism and the measuring mechanism to rotate 180 degrees, so that the pneumatic measuring head 2011 faces the hole to be measured (namely the pin shaft hole) on the other side, and the steps (3) and (4) are repeated to obtain the inner diameter value R of the pin shaft hole on the one side2And the amount of change S of the displacement of the side2；
(6) According to the inner diameter value R1、R2Judging whether the inner diameter of the pin shaft hole meets the requirement of dimensional tolerance precision or not, and judging whether the inner diameter meets the requirement of dimensional tolerance precision or not according to the displacement variation S1And S2And calculating the opening size of the main platform of the excavator and judging whether the opening size meets the requirement of dimensional tolerance precision.
In other embodiments, displacement sensor 202 can only set up one, needs motor 203 to drive pneumatic detector 201 and rotates 360 and accomplish the detection of awaiting measuring bore diameter a week during the measurement, can realize equally the utility model discloses a purpose.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A measuring device, characterized by: the device comprises a rotating mechanism, a linear moving mechanism and a measuring mechanism, wherein the rotating mechanism is suitable for driving the linear moving mechanism and the measuring mechanism to rotate around a z axis; the linear moving mechanism is arranged on the rotating mechanism and is suitable for driving the measuring mechanism to move linearly along the x axis; the measuring mechanism is arranged on the linear moving mechanism and used for measuring the inner diameter size and the opening size of the hole to be measured.
2. The measurement device of claim 1, wherein: the measuring mechanism comprises a hole inner diameter measuring piece, at least one opening size measuring piece and a driving assembly, and the driving assembly is suitable for driving the hole inner diameter measuring piece and the opening size measuring piece to rotate around the axial direction of the opening size measuring piece.
3. The measurement device of claim 2, wherein:
the hole inner diameter measuring part is a pneumatic detector (201), the axial direction of the pneumatic detector (201) is parallel to the x-axis direction and the axial direction of a hole to be measured, a pneumatic measuring head (2011) is arranged at one end, facing the hole to be measured, of a pneumatic detector shell (2012), and the outer diameter of the pneumatic measuring head (2011) is smaller than the inner diameter of the hole to be measured;
the open-gear size measuring piece is a displacement sensor (202), the displacement sensor (202) is arranged on the cylindrical surface of the pneumatic detector shell (2012), and a displacement measuring head (2021) of the displacement sensor (202) is suitable for contacting the hole forming plate (5) to be measured;
the driving assembly comprises a motor (203), a coupler (204) and a rotary bearing (205), wherein the coupler (204) and the rotary bearing (205) are sequentially connected with an output shaft of the motor (203), and the rotary bearing (205) is fixedly connected with the end face, far away from the hole to be measured, of the pneumatic detector shell (2012).
4. A measuring device according to claim 3, characterized in that: the displacement sensors (202) are two, and the two displacement sensors (202) are arranged symmetrically relative to the radial direction of the pneumatic detector (201).
5. The measurement device of claim 4, wherein: the pneumatic detector (201) is mounted on a measuring mechanism mounting plate (208) through a pneumatic detector mounting seat (206), and the motor (203) is mounted on the measuring mechanism mounting plate (208) through a motor mounting seat (207);
linear movement mechanism includes linear movement mechanism mounting panel (301), be provided with on linear movement mechanism mounting panel (301) extending direction with the axially parallel track (302) of pneumatic detector (201), measuring mechanism mounting panel (208) set up in on track (302), measuring mechanism mounting panel (208) are followed under the drive of linear movement driving piece track (302) remove.
6. The measurement device of claim 5, wherein: the linear moving driving piece is a linear air cylinder (303), an expansion link (3031) of the linear air cylinder (303) is parallel to the x-axis direction, the linear air cylinder (303) is arranged on the linear moving mechanism mounting plate (301) through a linear air cylinder mounting seat (304), the expansion link (3031) is fixedly connected with a connecting plate (305), and the connecting plate (305) is fixedly connected with the measuring mechanism mounting plate (208).
7. The measurement device of claim 6, wherein:
slewing mechanism includes slewing mechanism mounting panel (401), be provided with the rotation driving piece on slewing mechanism mounting panel (401), rectilinear movement mechanism mounting panel (301) set up in on the rotation driving piece.
8. The measurement device according to claim 6 or 7, wherein: the pneumatic detector further comprises an x-axis adjusting mechanism used for adjusting the position of the linear air cylinder (303) in the x-axis direction and a y-axis adjusting mechanism used for adjusting the position of the pneumatic detector (201) in the y-axis direction.
9. The measurement device of claim 8, wherein: the x-axis adjusting mechanism comprises an x-axis adjusting waist hole (306) formed at the assembling position of the linear cylinder mounting seat (304) and the linear moving mechanism mounting plate (301); the y-axis adjusting mechanism comprises a y-axis adjusting waist hole (209) formed in the assembling position of the pneumatic detector mounting seat (206) and the measuring mechanism mounting plate (208).
10. A measurement system, characterized by: having a measuring device according to any one of claims 1-9 and control means for controlling the operation of the measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122424078.4U CN216012137U (en) | 2021-10-08 | 2021-10-08 | Measuring device and measuring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122424078.4U CN216012137U (en) | 2021-10-08 | 2021-10-08 | Measuring device and measuring system |
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| Publication Number | Publication Date |
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| CN216012137U true CN216012137U (en) | 2022-03-11 |
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| CN202122424078.4U Active CN216012137U (en) | 2021-10-08 | 2021-10-08 | Measuring device and measuring system |
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