CN113865493A - Cylinder diameter on-line measuring device - Google Patents
Cylinder diameter on-line measuring device Download PDFInfo
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- CN113865493A CN113865493A CN202111145485.XA CN202111145485A CN113865493A CN 113865493 A CN113865493 A CN 113865493A CN 202111145485 A CN202111145485 A CN 202111145485A CN 113865493 A CN113865493 A CN 113865493A
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- measuring
- claw
- measuring claw
- jaw
- cylinder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
Abstract
The invention relates to an online measuring device for the diameter of a cylinder. The cylinder diameter online measuring device comprises a measuring base; the first measuring claw is provided with a first measuring surface; the second measuring claw is provided with a second measuring surface; the first measuring claw and the second measuring claw are movably arranged on the measuring base, and the measuring claw elastic part is positioned between the first measuring claw and the second measuring claw, so that the first measuring surface and the second measuring surface are far away from each other; the measuring claw driving mechanism enables the first measuring surface and the second measuring surface to be relatively close to each other. The measuring claw driving mechanism can drive the first measuring claw and the second measuring claw to clamp a cylinder to be measured, after the measurement is finished, the measuring claw driving mechanism removes the action of the first measuring claw and the second measuring claw, the first measuring claw and the second measuring claw are far away from each other, and the measuring claw returns to the initial position to continue to measure the next cylinder to be measured. The degree of automation is higher among the measurement process, is convenient for use on the detection line to can measure the diameter of the cylinder that awaits measuring in real time on line.
Description
Technical Field
The invention relates to an online measuring device for the diameter of a cylinder.
Background
When flange boss diameter is measured, adopt general no-go gage to detect, the principle that the no-go gage detected is: can be passed as qualified. The principle of go-no-go gauge detection is that the measurement method is assumed, and the measurement mode is contact measurement, and the go-no-go gauge is a definite value measuring tool that does not have the scale, can only be used for confirming whether the size of work piece is in the scope of ultimate size usually, can't measure the actual size of work piece to need manual operation, degree of automation is lower, is difficult to be applied to automated production line.
Disclosure of Invention
The invention aims to provide an on-line measuring device for the diameter of a cylinder, which is convenient to realize automatic measurement and can measure the diameter of the cylinder.
The cylinder diameter on-line measuring device adopts the following technical scheme:
the online measuring device of cylinder diameter includes:
a measurement base;
the first measuring claw is provided with a first measuring surface used for being in contact with the circumferential surface of the cylinder;
the second measuring claw is provided with a second measuring surface used for being in contact with the circumferential surface of the cylinder;
the first measuring surface and the second measuring surface are oppositely arranged left and right, and the first measuring claw and the second measuring claw are movably arranged on the measuring base so that the first measuring claw and the second measuring claw can move left and right relative to the measuring base;
the length measuring sensor is arranged on at least one of the first measuring claw and the second measuring claw, and the diameter of the cylinder is measured by measuring the distance between the first measuring claw and the second measuring claw;
the measuring claw elastic part is positioned between the first measuring claw and the second measuring claw and used for applying acting force to the first measuring claw and the second measuring claw so as to enable the first measuring surface and the second measuring surface to be away from each other;
and the measuring claw driving mechanism is used for applying acting force to the first measuring claw and the second measuring claw to enable the first measuring surface and the second measuring surface to be relatively close to each other so as to clamp the cylinder to be measured.
Has the advantages that: in the cylinder diameter online measuring device, the measuring claw driving mechanism can drive the first measuring claw and the second measuring claw to mutually approach and clamp a cylinder to be measured, then the length measuring sensor measures the diameter of the cylinder to be measured according to the distance between the first measuring claw and the second measuring claw, after the measurement is finished, the measuring claw driving mechanism releases the action on the first measuring claw and the second measuring claw, the first measuring claw and the second measuring claw are mutually separated under the action of the elastic piece of the measuring claw and return to the initial position, and the next cylinder to be measured can be continuously measured. The degree of automation is higher among the measurement process, is convenient for use on the detection line to can measure the diameter of the cylinder that awaits measuring in real time on line.
Furthermore, measure claw actuating mechanism including applying pressure member and the drive and applying pressure member linear motion's linear drive device from top to bottom, it is domatic with the second guide to be equipped with first guide on the pressure member, first guide is domatic sets up with the domatic relatively of second guide, first guide is domatic is used for measuring the claw applied effort to first when applying pressure member and measuring the claw motion towards first measurement claw and second, make first measurement face towards the direction motion of being close to the second measurement face, the domatic being used for applying pressure effort to the second measurement claw when applying pressure member and measuring the claw motion towards first measurement claw and second, make the second measure the direction motion of face towards first measurement face. The pressing piece presses the first measuring claw and the second measuring claw under the action of the linear driving device, so that the first measuring claw and the second measuring claw are close to each other, and the mechanism is stable.
Furthermore, the pressing piece is a pressing block, a measuring claw matching groove is formed in the pressing block, and the first guiding slope surface and the second guiding slope surface are respectively formed on two opposite groove wall surfaces in the measuring claw matching groove. The measuring claw matching groove is simple in structure and convenient to install.
Furthermore, the pressing piece is movably arranged on the measuring base in the horizontal direction, so that the pressing piece can move back and forth and left and right relative to the measuring base. The pressing piece can move horizontally, interference on movement of the first measuring claw and the second measuring claw is reduced, and position deviation can be compensated in the left-right direction of the first measuring claw and the second measuring claw.
Furthermore, a pressure applying elastic piece is arranged between the linear driving device and the pressure applying piece, and the linear driving device applies acting force to the pressure applying piece through the pressure applying elastic piece. The pressure is applied by the pressure applying elastic piece, the pressure applying elastic piece can deform, and the linear driving device and the pressure applying piece can move relatively, so that the position deviation of the cylinder to be detected can be compensated.
Furthermore, the linear driving device comprises a driving cylinder fixed on the measuring base and a piston rod connecting plate fixed with a piston rod of the driving cylinder, the pressing elastic element is arranged between the piston rod connecting plate and the pressing element, a release-preventing bolt is fixed on the piston rod connecting plate, the release-preventing bolt penetrates through the pressing element and is in release-preventing fit with the pressing element, an annular movable interval is arranged between the release-preventing bolt and the pressing element, and the pressing element moves relative to the measuring base in the horizontal direction at the annular movable interval. The installation of the anti-drop bolt is convenient and simple.
Furthermore, the first measuring claw and the second measuring claw can move back and forth relative to the measuring base, and the cylinder diameter online measuring device comprises a first front spring and a second front spring, wherein the first front spring and the second front spring are used for applying elastic force to the first measuring claw in the front and back direction, and the second front spring are used for applying elastic force to the second measuring claw in the front and back direction. Through the first front and rear springs and the second front and rear springs, the first measuring claw and the second measuring claw can compensate the position deviation of the cylinder to be measured in the front and rear directions.
Furthermore, the cylinder diameter on-line measuring device comprises a left guide rod and a right guide rod which are arranged on the measuring base and extend left and right, the first measuring claw and the second measuring claw are in left-right guide sliding fit with the left guide rod and the right guide rod, and the measuring claw elastic part is a left spring and a right spring which are sleeved on the left guide rod and the right guide rod and extend left and right. The left spring and the right spring are sleeved on the left guide rod and the right guide rod, so that the installation is convenient and clamping stagnation is not easy.
Furthermore, the cylinder diameter online measuring device comprises a left guide rod and a right guide rod which extend leftwards and rightwards, the first measuring claw and the second measuring claw are in left and right guide sliding fit with the left guide rod and the right guide rod, the measuring claw elastic part is a left spring and a right spring which are sleeved on the left guide rod and the right guide rod and extend leftwards and rightwards, and the left guide rod and the right guide rod are assembled on the measuring base in a front and back guide sliding mode;
the cylinder diameter on-line measuring device comprises a first guide rod extending front and back and a second guide rod extending front and back, the first guide rod is in front and back guide sliding fit with the first measuring claw, the second guide rod is in front and back guide sliding fit with the second measuring claw, a first front and back spring extending front and back is sleeved on the first guide rod, a second front and back spring extending front and back is sleeved on the second guide rod, the first front and back spring is used for applying front and back elastic force to the first measuring claw, the second front and back spring is used for applying front and back elastic force to the second measuring claw, and the first guide rod and the second guide rod are arranged on the measuring base in a left and right guide moving mode. The first measuring claw and the second measuring claw can compensate the position deviation of the cylinder to be measured in the front, back, left and right directions, and the measuring precision is improved.
Furthermore, cylinder diameter on-line measuring device is including controlling the guide bar about extending, first measuring jaw and second measuring jaw all with control the guide bar about direction sliding fit, measuring jaw elastic component for the cover about on the guide bar about the spring of extending, measure the base and include the base shell, there is the opening bottom of base shell, control the guide bar both ends around direction sliding fit on the lateral wall of base shell, first measuring jaw and second measuring jaw all stretch out the base shell downwards, apply the casting die and be in the base shell, the straight line drive assembly is on the roof of base shell. The pressure application piece and the measuring socket can be protected by the base housing.
Drawings
FIG. 1 is a front view of an embodiment 1 of an on-line measuring apparatus for a cylinder diameter according to the present invention;
FIG. 2 is a left side view of an embodiment 1 of the on-line measuring device for the diameter of a cylinder of the present invention;
FIG. 3 is a top view of an embodiment 1 of the device for measuring the diameter of a cylinder on line according to the present invention;
FIG. 4 is an isometric view of a cylinder diameter on-line measuring device according to embodiment 1 of the present invention;
FIG. 5 is a sectional view of an embodiment 1 of the apparatus for measuring a diameter of a cylinder on line according to the present invention;
FIG. 6 is a schematic view of a part of the structure of an on-line measuring apparatus for measuring the diameter of a cylinder according to embodiment 1 of the present invention;
in the figure: 1. a flange; 2. a flange boss; 3. a base box; 31. a box body; 32. an upper cover plate; 33. left and right rod guide holes; 34. front and rear rod guide holes; 4. a first measuring jaw; 41. a first measuring surface; 5. a second measuring jaw; 51. a second measuring surface; 6. left and right springs; 7. pressing a block; 71. a measuring claw matching groove; 72. a first guide ramp surface; 73. a second guide ramp surface; 8. a drive cylinder; 81. a piston rod; 9. a piston rod connecting plate; 10. a drop-out prevention bolt; 11. a pressure applying spring; 12. a left guide bar and a right guide bar; 13. a first guide bar; 14. a second guide bar; 15. a first front and rear spring; 16. a second front and rear spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The specific embodiment 1 of the online measuring device for the diameter of the cylinder of the invention:
the online cylinder diameter measuring device in this embodiment is used for being installed on a detection line and used for online measurement of a cylinder on line, as shown in fig. 4 to 6, the cylinder in this embodiment is a boss arranged on a flange 1, that is, a flange boss 2, the detection line includes a lifting mechanism, the online cylinder diameter measuring device is driven by the lifting mechanism to lift, the cylinder diameter measuring device reciprocates between a measuring position and a non-measuring position, after the flange boss 2 moves in place, when the flange boss 2 needs to be measured, the online cylinder diameter measuring device descends to the measuring position under the action of the lifting mechanism, the flange boss 2 is measured, after the measurement is finished, the cylinder diameter measuring device is driven by the lifting mechanism to lift, the measured flange boss 2 is transported away, the next flange boss 2 to be measured moves in place, and the process is repeated.
As shown in fig. 1 to 3, the online measuring device for the diameter of the cylinder comprises a measuring base, a first measuring jaw 4 and a second measuring jaw 5, wherein the first measuring jaw 4 and the second measuring jaw 5 can move back and forth and left and right relative to the measuring base. In the present embodiment, the measurement base includes a base case 3, and the base case 3 includes a case body 31 and an upper cover plate 32 fixed to an upper side of the case body 31 by bolts. The base box 3 bottom opening, the lower extreme of first measuring jaw 4 and the lower extreme of second measuring jaw 5 all stretch out base box 3 for clip the flange boss 2 that awaits measuring.
The first measuring jaw 4 has a first measuring surface 41 for contacting the circumferential surface of the cylinder, the second measuring jaw 5 has a second measuring surface 51 for contacting the circumferential surface of the cylinder, the first measuring surface 41 and the second measuring surface 51 are both semi-circular surfaces, and the first measuring surface 41 and the second measuring surface 51 are arranged in a left-right opposite manner. A length measuring sensor (not shown in the figure) is arranged on the first measuring jaw 4, and the length measuring sensor is a laser displacement sensor in the embodiment. The laser displacement sensor measures the diameter of the flange boss by detecting the distance between the first measuring claw and the second measuring claw.
In order to keep the first measuring jaw 4 and the second measuring jaw 5 in an initial state before measurement, left and right springs 6 extending left and right are arranged between the first measuring jaw 4 and the second measuring jaw 5, one end of each of the left and right springs 6 abuts against the first measuring jaw, and the other end abuts against the second measuring jaw, and are used for exerting acting force on the first measuring jaw 4 and the second measuring jaw 5 to enable the first measuring surface 41 and the second measuring surface 51 to be away from each other. The left and right springs 6 constitute a measuring jaw elastic member. The first measuring claw 4 and the second measuring claw 5 can be automatically reset after measurement through the left spring 6 and the right spring 6, and are kept in an initial state, so that online automatic measurement is conveniently realized.
The base box 3 is provided with a measuring jaw driving mechanism, and the measuring jaw driving mechanism is used for applying acting force to the first measuring jaw 4 and the second measuring jaw 5 to enable the first measuring surface 41 and the second measuring surface 51 to be relatively close to clamp the flange boss 2 to be measured. The measuring claw driving mechanism comprises a pressurizing block 7 and a linear driving device for driving the pressurizing block 7 to move linearly. The pressing block 7 in this embodiment constitutes a pressing member, but in other embodiments, the pressing member may be a pressing rod.
The pressurizing block 7 is provided with a measuring claw matching groove 71 with a downward opening, the measuring claw matching groove 71 is a through groove extending front and back, two groove wall surfaces opposite to each other at left and right in the measuring claw matching groove 71 respectively form a first guiding slope surface 72 and a second guiding slope surface 73, and the first guiding slope surface 72 and the second guiding slope surface 73 are symmetrically arranged and cut into inclined surfaces. The first guiding slope 72 is used for applying a force to the first measuring jaw 4 to move the first measuring surface 41 in a direction close to the second measuring surface 51, and the second guiding slope 73 is used for applying a force to the second measuring jaw 5 to move the second measuring surface 51 in a direction towards the first measuring surface 41. The measuring jaw matching groove 71 on the pressurizing block 7 can enable the first measuring jaw 4 and the second measuring jaw 5 to act synchronously.
The linear driving device drives the pressurizing block 7 to move up and down, when the pressurizing block 7 moves downwards towards the first measuring claw 4 and the second measuring claw 5, the first guide slope 72 and the second guide slope 73 are driven to move downwards, the first measuring claw 4 and the second measuring claw 5 overcome the elastic force of the left spring 6 and the right spring 6 to be close to each other, when the pressurizing block moves upwards and backwards towards the first measuring claw 4 and the second measuring claw 5, the first guide slope 72 and the second guide slope 73 are driven to move upwards, and the first measuring claw 4 and the second measuring claw 5 are far away from each other under the elastic force action of the left spring 6 and the right spring 6.
The linear driving device in this embodiment includes a driving cylinder 8 and a piston rod connecting plate 9 fixed on a piston rod 81 of the driving cylinder 8, the piston rod 81 extends into the base box 3, and a cylinder body of the driving cylinder 8 is fixed on the upper side of the base box 3 and outside the base box 3. The piston rod connecting plate 9 is positioned in the base box 3, the piston rod connecting plate 9 is fixedly provided with a separation-preventing bolt 10, the separation-preventing bolt 10 penetrates through the pressure applying block 7, the bolt head of the separation-preventing bolt 10 is in up-and-down stop fit with the pressure applying block 7, and separation prevention of the separation-preventing bolt 10 and the pressure applying block 7 is achieved.
In this embodiment, a pressure spring 11 is disposed between the pressure block 7 and the piston rod connecting plate 9, the pressure spring 11 is sleeved on the anti-drop bolt 10, the upper end of the pressure spring 11 abuts against the piston rod connecting plate 9, and the lower end of the pressure spring abuts against the pressure block 7, so as to apply an acting force to the pressure block 7, so that the pressure block 7 moves downward, and further, the first guide slope 72 on the pressure block 7 applies a rightward acting force to the first measuring jaw 4, so that the second guide slope 73 on the pressure block 7 applies a leftward acting force to the second measuring jaw 5, so that the first measuring jaw 4 and the second measuring jaw 5 are close to each other.
The cylinder diameter online measuring device comprises a left guide rod 12 and a right guide rod 12 which extend leftwards and rightwards, a first measuring claw 4 and a second measuring claw 5 are in left-right guide sliding fit with the left guide rod 12 and the right guide rod 12, and a left spring 6 and a right spring 6 are sleeved on the left guide rod 12 and the right guide rod 12. In this embodiment, two left and right guide rods 12 are provided in parallel at an interval, and two corresponding left and right springs 6 are provided. The guide effect of guide bar to first measuring claw 4 and second measuring claw 5 is better, can guarantee that first measuring claw 4 and second measuring claw 5's accuracy is adjusted well, and two guide bars can prevent first measuring claw 4 and second measuring claw 5 upset simultaneously.
The left and right guide rods 12 are slidably fitted to the measurement base in a front-rear direction, and the left and right guide rods 12 can move forward and backward relative to the base case 3. Left and right side walls of the base box 3 are provided with left and right rod guide holes 33, the left and right rod guide holes 33 are elongated holes, and both ends of the left and right guide rods 12 are slidably fitted in the left and right rod guide holes 33 in a guiding manner.
The cylinder diameter online measuring device comprises a first guide rod 13 extending front and back and a second guide rod 14 extending front and back, the first guide rod 13 is in front and back guide sliding fit with a first measuring jaw 4, the second guide rod 14 is in front and back guide sliding fit with a second measuring jaw 5, a first front and back spring 15 extending front and back is sleeved on the first guide rod 13, a second front and back spring 16 extending front and back is sleeved on the second guide rod 14, the first front and back spring 15 is used for applying front and back elastic force to the first measuring jaw 4, the second front and back spring 16 is used for applying front and back elastic force to the second measuring jaw 5, and the first guide rod 13 and the second guide rod 14 are arranged on a measuring base in a left and right guide moving mode. In this embodiment, one end of the first front and rear springs 15 abuts against the first measuring jaw 4, the other end of the first front and rear springs 15 abuts against the inner wall of the base box 3, and the two first front and rear springs 15 are respectively disposed on the front and rear sides of the first measuring jaw 4. One end of the second front and rear springs 16 is pressed against the second measuring jaw 5, the other end is pressed against the inner wall of the base box 3, and the two second front and rear springs 16 are respectively arranged at the front side and the rear side of the second measuring jaw 5. Front and rear rod guide holes 34 are formed in the front and rear side walls of the base box 3, and both ends of the first guide rod 13 and the second guide rod 14 are slidably assembled in the front and rear rod guide holes 34 in a guiding manner.
The front and rear rod guide holes 34 are elongated holes extending left and right, and under the action of the left and right springs 6, the two front and rear guide rods are respectively in stop fit with both ends of the front and rear rod guide holes 34, so that the left and right springs 6 are in a pre-compressed state.
A movable interval is arranged between the anti-release bolt 10 and the pressing block 7, so that the pressing block 7 can move left and right relative to the anti-release bolt 10. In the process that the pressure applying block 7 applies pressure to the first measuring claw 4 and the second measuring claw 5, the pressure applying block 7 has larger friction force with the two measuring claws, and the movable interval between the anti-release bolt 10 and the pressure applying block 7 can not influence the front and back movement of the two measuring claws.
When the center of the flange boss 2 of the first measuring claw 4 and the center of the second measuring claw 5 are deviated from the preset center, the left and right guide rods 12 can move forwards and backwards, the first guide rod 13 and the second guide rod 14 can move leftwards and rightwards, the first measuring claw 4 and the second measuring claw 5 can adapt to the center deviation of the flange boss 2, the position accuracy requirement of the measuring line on each part is reduced, and the rapid and stable operation of the measuring line is facilitated.
In order to avoid the axial movement of the guide rods, a stop block (not shown in the figure) is arranged on the measuring base and stops the end faces of the guide rods to prevent the guide rods from moving.
In the online measuring device for the diameter of the cylinder, the first measuring claw 4 and the second measuring claw 5 can float horizontally, so that the deviation caused by the vertical non-concentricity of equipment or the inclined placement of the flange boss 2 to be measured is compensated, and the monitoring structure is more accurate. The automatic detection is convenient to realize, and the measuring speed is improved.
When the cylinder diameter online measuring device works, the cylinder diameter online measuring device moves to a measuring position under the action of the lifting mechanism, the flange boss 2 starts to be measured, the piston rod 81 of the driving cylinder 8 extends out to drive the pressing block 7 to move downwards, the first guide slope on the pressing block 7 applies acting force to the first measuring claw 4, the second guide slope applies acting force to the second measuring claw 5, the first measuring claw 4 and the second measuring claw 5 are enabled to be close to each other, the flange boss 2 to be measured is clamped, the length measuring sensor measures the diameter of the flange boss 2, and measuring data are sent to a background. In the measuring process, if the position of the flange boss 2 deviates from the preset position, the first measuring claw 4 and the second measuring claw 5 can synchronously move front and back relative to the measuring base and can move left and right relative to the device at the same time, the position is automatically adjusted, and the position deviation compensation is realized.
In the embodiment 2 of the online measuring device for the diameter of the cylinder, the difference between the embodiment and the above embodiment is only that in the embodiment, the measuring jaw driving mechanism is a driving cylinder arranged on a left guide rod and a right guide rod, the left guide rod and the right guide rod are fixedly connected to form a bracket for mounting the driving cylinder, and the driving cylinder is provided with two driving cylinders, one driving cylinder is used for pushing the first measuring jaw, and the other driving cylinder is used for pushing the second measuring jaw.
In the embodiment 3 of the online measuring device for the diameter of a cylinder, the difference between the embodiment and the above embodiment is that the measuring jaw driving mechanism is a clamping driving mechanism, and the first measuring jaw and the second measuring jaw are close to each other by clamping the first measuring jaw and the second measuring jaw. The clamping driving mechanism comprises a driving cylinder and two driving rods hinged in an X shape, two ends of the driving cylinder are connected with the two driving rods to drive the two driving rods to open and close, and the two driving rods drive the first measuring claw and the second measuring claw respectively.
The embodiment 4 of the cylinder diameter on-line measuring device of the present invention is different from the above embodiments only in that in this embodiment, the pressing member is a V-shaped pressing plate. In other embodiments, the first and second guide ramps on the press element may also be convex curved surfaces. In other embodiments, the pressing member may further include two sloping plates, and the two guide sloping surfaces are respectively disposed on the two sloping plates.
In the embodiment 5 of the online cylinder diameter measuring device of the present invention, the difference between the embodiment and the above embodiment is only that the pressing block is fixed to the piston rod, and the first measuring jaw and the second measuring jaw cannot compensate the center position deviation in the left-right direction. In other embodiments, the first measuring jaw and the second measuring jaw do not need to horizontally float in any direction in the occasion of low requirement on measuring precision.
In the embodiment 6 of the online cylinder diameter measuring device of the present invention, the only difference between the embodiment and the above embodiment is that in the embodiment, the pressing block is connected with the piston rod connecting plate through the hook, the piston rod connecting plate is provided with a through hole, the bolt head of the guide bolt passes through the through hole and then is fixed with the pressing block, at this time, the pressing block and the guide bolt move together, and a movable space is provided between the guide bolt and the through hole for the pressing block and the piston rod connecting plate to move relatively.
The embodiment 7 of the present invention for measuring the diameter of a cylinder on-line is different from the above embodiments only in that the first measuring jaw and the second measuring jaw are slidably mounted on the measuring base in a left-right guiding manner, and in this case, the first measuring jaw and the second measuring jaw cannot move in the front-back direction without providing a left-right guiding rod. In other embodiments, the left and right guide rods in the above embodiments may be fixed to the measurement base, and the first measurement jaw and the second measurement jaw may not move in the front-rear direction.
The embodiment 8 of the cylinder diameter on-line measuring device of the present invention is different from the above embodiments only in that the spring in the above embodiments is replaced by an elastic rubber block.
The embodiment 9 of the online measuring device for the diameter of a cylinder of the present invention is different from the above embodiments only in that the measuring base is a frame structure and comprises a base frame composed of rod members, and all the components are arranged on the base frame.
The embodiment 10 of the online cylinder diameter measuring device of the present invention is different from the above embodiments only in that in the embodiment, the length measuring sensor is a linear displacement sensor disposed in the base box, the length measuring sensor is disposed on one of the first measuring jaw and the second measuring jaw, and the measuring sensor is compressed to measure the diameter of the cylinder to be measured when the left-right distance between the first measuring jaw and the second measuring jaw is changed. The length measuring sensor is arranged between the first measuring claw and the second measuring claw, the structure is more compact, and the contact type displacement sensor is adopted, so that the influence of external factors is small, and the stability is good.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. Cylinder diameter on-line measuring device, characterized in that includes:
a measurement base;
a first measuring jaw (4) having a first measuring surface (41) for contacting the circumferential surface of the cylinder;
a second measuring jaw (5) having a second measuring surface (51) for contacting the cylindrical surface;
the first measuring surface (41) and the second measuring surface (51) are arranged oppositely left and right, and the first measuring claw (4) and the second measuring claw (5) are horizontally and movably configured on the measuring base so that the first measuring claw (4) and the second measuring claw (5) can move left and right relative to the measuring base;
the length measuring sensor is arranged on at least one of the first measuring claw (4) and the second measuring claw (5), and the diameter of the cylinder is measured by measuring the distance between the first measuring claw (4) and the second measuring claw (5);
the measuring claw elastic piece is positioned between the first measuring claw (4) and the second measuring claw (5) and used for exerting acting force on the first measuring claw (4) and the second measuring claw (5) so as to enable the first measuring surface (41) and the second measuring surface (51) to be away from each other;
and the measuring claw driving mechanism is used for applying acting force to the first measuring claw (4) and the second measuring claw (5) to enable the first measuring surface (41) and the second measuring surface (51) to relatively approach to clamp the cylinder to be measured.
2. The cylinder diameter online measuring device according to claim 1, wherein the measuring jaw driving mechanism comprises a pressing member and a linear driving device for driving the pressing member to move linearly up and down, the pressing member is provided with a first guide slope surface (72) and a second guide slope surface (73), the first guide slope surface (72) and the second guide slope surface (73) are arranged oppositely, the first guide slope surface (72) is used for applying acting force to the first measuring jaw (4) when the pressing member moves towards the first measuring jaw (4) and the second measuring jaw (5) so as to enable the first measuring jaw (41) to move towards a direction close to the second measuring jaw (51), and the second guide slope surface (73) is used for applying acting force to the second measuring jaw (5) when the pressing member moves towards the first measuring jaw (4) and the second measuring jaw (5) so as to enable the second measuring jaw (51) to move towards the direction of the first measuring jaw (41).
3. The cylinder diameter on-line measuring device of claim 2, characterized in that the pressing piece is a pressing block (7), a measuring claw matching groove (71) is arranged on the pressing block (7), and two opposite groove wall surfaces in the measuring claw matching groove (71) respectively form the first guiding slope surface (72) and the second guiding slope surface (73).
4. The cylinder diameter on-line measuring device according to claim 2, wherein the pressing member is movably disposed on the measuring base in a horizontal direction so that the pressing member can move back and forth and left and right with respect to the measuring base.
5. The apparatus for on-line measuring the diameter of a cylinder according to claim 4, wherein a pressing elastic member is disposed between the linear driving means and the pressing member, and the linear driving means applies a force to the pressing member through the pressing elastic member.
6. The cylinder diameter online measuring device according to claim 5, characterized in that the linear driving device comprises a driving cylinder (8) fixed on the measuring base and a piston rod connecting plate (9) fixed with a piston rod (81) of the driving cylinder (8), the pressing elastic element is arranged between the piston rod connecting plate (9) and the pressing element, a retaining bolt (10) is fixed on the piston rod connecting plate (9), the retaining bolt (10) passes through the pressing element and is in retaining fit with the pressing element, an annular movable interval is arranged between the retaining bolt (10) and the pressing element, and the annular movable interval is used for the pressing element to move relative to the measuring base in the horizontal direction.
7. The cylinder diameter online measuring device according to claim 4, 5 or 6, characterized in that the cylinder diameter online measuring device comprises left and right guide rods (12) extending left and right, the first measuring claw (4) and the second measuring claw (5) are in left and right guide sliding fit with the left and right guide rods (12), the measuring claw elastic part is a left and right spring (6) extending left and right on the left and right guide rods (12), and the left and right guide rods (12) are in front and back guide sliding fit on the measuring base;
the first measuring claw (4) and the second measuring claw (5) can move back and forth relative to the measuring base, the cylinder diameter online measuring device comprises a first guide rod (13) extending front and back and a second guide rod (14) extending front and back, the first guide rod (13) is in front and back guide sliding fit with a first measuring claw (4), the second guide rod (14) is in front and back guide sliding fit with a second measuring claw (5), a first front and back spring (15) extending front and back is sleeved on the first guide rod (13), a second front and back spring (16) extending front and back is sleeved on the second guide rod (14), the first front and back spring (15) is used for applying front and back elasticity to the first measuring claw (4), the second front and back spring (16) is used for applying front and back elasticity to the second measuring claw (5), and the first guide rod (13) and the second guide rod (14) are in left and right guide moving configuration on a measuring base.
8. The cylinder diameter online measuring device according to claim 4, 5 or 6, characterized in that the cylinder diameter online measuring device comprises left and right guide rods (12) extending left and right, the first measuring claw (4) and the second measuring claw (5) are in left and right guide sliding fit with the left and right guide rods (12), the measuring claw elastic member is a left and right spring (6) extending left and right on the left and right guide rods (12), the measuring base comprises a base shell, the bottom of the base shell is provided with an opening, two ends of the left and right guide rods (12) are in front and back guide sliding fit on the side wall of the base shell, the first measuring claw (4) and the second measuring claw (5) both extend downwards out of the base shell, and the pressing member is located in the base shell and is in linear driving fit on the top wall of the base shell.
9. The cylinder diameter on-line measuring device according to any one of claims 1 to 6, characterized in that the first measuring jaw (4) and the second measuring jaw (5) are both movable back and forth relative to the measuring base, and the cylinder diameter on-line measuring device comprises a first front and rear spring (15) for applying a front and rear direction elastic force to the first measuring jaw (4), and a second front and rear spring (16) for applying a front and rear direction elastic force to the second measuring jaw (5).
10. The cylinder diameter on-line measuring device according to any one of claims 1 to 6, characterized in that the cylinder diameter on-line measuring device comprises left and right guide rods (12) arranged on the measuring base and extending left and right, the first measuring claw (4) and the second measuring claw (5) are in left and right guide sliding fit with the left and right guide rods (12), and the measuring claw elastic member is a left and right spring (6) extending left and right and fitted on the left and right guide rods (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145485.XA CN113865493A (en) | 2021-09-28 | 2021-09-28 | Cylinder diameter on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145485.XA CN113865493A (en) | 2021-09-28 | 2021-09-28 | Cylinder diameter on-line measuring device |
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| CN113865493A true CN113865493A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111145485.XA Pending CN113865493A (en) | 2021-09-28 | 2021-09-28 | Cylinder diameter on-line measuring device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907842A (en) * | 2014-03-13 | 2015-09-16 | 协竑企业有限公司 | Clamping device |
| CN110657731A (en) * | 2019-09-18 | 2020-01-07 | 江苏理工学院 | Measuring device and testing method for basic overall dimension of large bearing |
| CN212432059U (en) * | 2020-07-29 | 2021-01-29 | 成都南方电子仪表有限公司 | Small-size diameter high-precision measuring device |
-
2021
- 2021-09-28 CN CN202111145485.XA patent/CN113865493A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907842A (en) * | 2014-03-13 | 2015-09-16 | 协竑企业有限公司 | Clamping device |
| CN110657731A (en) * | 2019-09-18 | 2020-01-07 | 江苏理工学院 | Measuring device and testing method for basic overall dimension of large bearing |
| CN212432059U (en) * | 2020-07-29 | 2021-01-29 | 成都南方电子仪表有限公司 | Small-size diameter high-precision measuring device |
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