Piston rod verticality detection device
By using an automatic clamping and rotation detection design for the piston rod verticality detection device, the problems of low efficiency and cumbersome manual operation of traditional detection devices are solved, achieving efficient and convenient piston rod verticality detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-21
- Publication Date
- 2026-04-03
AI Technical Summary
Traditional piston rod perpendicularity testing devices require a dual-drive source design, which increases equipment costs, reduces testing efficiency, requires significant manual intervention, and is cumbersome to operate, making it difficult to meet batch testing needs.
A piston rod verticality detection device is adopted, which realizes the continuous operation of automatic clamping, rotation detection and automatic unlocking of the piston rod by setting up components such as a placement box, rotating motor, mounting bracket, mounting plate, mounting ring, connecting component and limiting plate, thereby reducing manual labor intensity and improving detection efficiency.
It achieves a continuous operation of automatic clamping of the piston rod followed by drive rotation detection and automatic unlocking after detection, reducing manual labor intensity and improving detection efficiency and ease of operation.
Smart Images

Figure CN121783046A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of piston rod processing and inspection technology, and in particular to a piston rod perpendicularity detection device. Background Technology
[0002] As a core transmission component, the perpendicularity accuracy of the piston rod's axis to the flange mounting surface directly determines the smoothness of the equipment's movement, the service life of the seals, and the overall reliability of the machine. With the rapid development of high-end equipment towards higher precision and durability, increasingly stringent requirements are being placed on the automation level, efficiency, and surface quality of piston rod perpendicularity testing. Accurate and efficient perpendicularity testing has become a key aspect of improving equipment manufacturing quality.
[0003] Traditional piston rod perpendicularity testing devices typically use a separate clamp or manual wrench to clamp and position the piston rod flange end, then activate another drive motor to rotate the piston rod, with sensors completing the detection. However, this type of testing device uses a dual-drive source design for clamping and rotation, requiring additional auxiliary components such as cylinders and solenoid valves, increasing equipment manufacturing costs. Furthermore, it suffers from low testing efficiency, and requires manual intervention in multiple steps such as clamping, adjustment, and unlocking, resulting in high labor intensity and cumbersome operation, making it unsuitable for batch testing needs. Summary of the Invention
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a piston rod perpendicularity detection device. Its advantages include: achieving a continuous operation of automatically clamping the piston rod body, driving rotation for detection, and automatically unlocking after detection; low manual labor intensity; convenient operation; and high detection efficiency.
[0005] To achieve the above objectives, the technical solution adopted in this application is as follows: a piston rod verticality detection device, comprising: a worktable, and further comprising: a piston rod body, a laser sensor, a placement assembly, a support assembly, a clamping assembly, a pressing assembly, a drive assembly, and a linkage mechanism; the piston rod body is horizontally disposed directly above the top of the worktable; the laser sensor is slidably mounted on one side of the top of the worktable via a sliding assembly; the placement assembly is mounted at one end of the top of the worktable for placing one end of the piston rod body; the support assembly is mounted at the other end of the top of the worktable for... The other end of the piston rod body is supported; the clamping assembly is disposed at one end of the top of the worktable to clamp one end of both sides of the piston rod body; the abutting assembly is disposed at one end of the top of the worktable to abut one end of the piston rod body; the driving assembly is mounted at one end of the top of the worktable to drive the clamping assembly and the abutting assembly to perform clamping and abutting operations on the piston rod body respectively; the linkage mechanism is disposed between the clamping assembly and the driving assembly to allow the driving assembly to drive the piston rod body to rotate through the linkage mechanism.
[0006] Preferably, the placement assembly includes: a placement box, which is vertically positioned directly above one end of the top of the worktable. The placement box is circular, and a placement opening is provided at the top of the end of the placement box closest to the piston rod body. The driving assembly includes: a rotary motor, which is fixedly mounted on one end of the top of the worktable. The linkage mechanism includes: a mounting frame, a mounting plate, a mounting ring, a connecting assembly, two limiting plates, two sets of buffer assemblies, two baffles, two stops, two baffles, and two limiting grooves. The mounting frame is fixedly mounted on one end of the top of the worktable, and the top of the mounting frame is concave. The mounting plate is vertically and rotatably mounted on the outer wall of the other end of the placement box. The center position of the end of the mounting plate away from the placement box is aligned with the output shaft of the rotary motor. The mounting frame is fixedly installed with its top concentric with the axis of rotation of the mounting plate. The mounting ring is vertically fitted over the mounting plate. The connecting assembly is installed between one end of the mounting ring and the mounting plate. Two limiting plates are horizontally slidably installed on both sides of the outer circumference of the placement box via sliding assembly two. Two sets of buffer assemblies one are installed on both sides of the outer circumference of the placement box. The baffle one is T-shaped. Two baffles one are fixedly installed at the bottom of the two limiting plates. Two stops are fixedly installed on the top two sides of the mounting frame near the rotating motor. The two baffles two away from each other are hinged to the other sides of the top two sides of the mounting frame via torsion spring hinges. Two limiting groove plates are fixedly installed on both sides of the outer circumference of the mounting ring.
[0007] Preferably, the clamping assembly includes: a plurality of clamping plates, a plurality of buffer springs, and a buffer pad. Slots are equidistantly arranged along the edge of the other end of the mounting plate, and insertion ports are equidistantly arranged along the other end of the placement box. The insertion ports are respectively configured to mate with the plurality of slots. The clamping plates are respectively inserted into the plurality of slots. The clamping plates are made of an elastic material. The insertion ports, slots, and clamping plates are all arc-shaped. Two buffer springs form a group, and two buffer springs in each group are respectively fixedly installed between the two sides of one end of the clamping plate and the inner wall of one end of the slot. The buffer pad is fixedly installed on the inner wall of one end of the placement box.
[0008] Preferably, the connecting assembly includes: a plurality of connecting plates, which are equidistantly arranged and fixedly installed between one end of the mounting ring and the edge of the mounting plate near the rotating motor. The clamping assembly includes: two clamping plates and two limiting blocks. Sliding openings are provided on both sides of the outer wall edge of the other end of the placement box. One end of each of the two clamping plates is rotatably installed on both sides of the inner wall edge of one end of the placement box via a torsion spring shaft. The other ends of each of the two clamping plates pass through the two sliding openings. The cross-section of the limiting block is an isosceles triangle, and the edge corresponding to the apex of the limiting block is a smooth curved surface. The two limiting blocks are fixedly installed on both sides of the inner circumference of the mounting ring.
[0009] Preferably, the support assembly includes: a first mounting plate, a second mounting plate, two second clamping plates, two sets of second buffer components, two third clamping plates, and two second buffer springs. The first mounting plate is vertically fixed to the other end of the top of the workbench. The second mounting plate is arc-shaped and rotatably mounted to one end of the first mounting plate. The second clamping plate is arc-shaped and symmetrically arranged on both sides of one end of the first mounting plate. The two sets of second buffer components are respectively installed between the two opposite sides of the two second clamping plates and the two sides of the top of the second mounting plate. The two opposite sides of the two second clamping plates are provided with mounting grooves. The third clamping plates are arc-shaped and their tops are respectively hinged to the inner walls of the top of the two mounting grooves. The two second buffer springs are respectively fixedly installed between the bottom of the opposite side of the two third clamping plates and the inner walls of the bottom of the opposite side of the two mounting grooves.
[0010] Preferably, the first sliding component includes: an electric slide rail and an electric slider. The electric slide rail is horizontally fixedly installed on one side of the top of the worktable, and the electric slider is slidably installed on the electric slide rail. The electric slider is fixedly installed to the bottom of the laser sensor. The second sliding component includes: a second slide rail and a second slider. The second slide rail is horizontally fixedly installed on one side of the outer circumference of the placement box, and the second slider is slidably installed on the second slide rail. The second slider is fixedly installed to one side of the limiting plate.
[0011] Preferably, the first buffer assembly includes: a mounting plate three, a sleeve one, a rod one, and a buffer spring three. The mounting plate three is fixedly installed on one end of the outer circumference of the placement box. The sleeve one is horizontally fixedly installed on one end of the mounting plate three. One end of the rod one is inserted into the sleeve one, and the other end of the rod one is fixedly installed with one end of the limiting plate. The buffer spring three is fixedly installed between one end of the rod one and the inner wall of one end of the sleeve one. The second buffer assembly includes: a sleeve two, a rod two, and a buffer spring four. The two sleeves two are respectively fixedly installed on both sides of the top of the mounting plate two. The two rods two have their far ends inserted into the two sleeves two. The two rods two have their near ends fixedly installed with the far sides of the two clamping plates two. The two buffer spring fours are respectively fixedly installed between the far sides of the two rods two and the far sides of the inner walls of the two sleeves two.
[0012] Preferably, the bottom sides of the two clamping plates are arranged with arc-shaped mating surfaces that are adapted to each other.
[0013] Preferably, one of the clamping plates is arranged in a concave arc shape on the side near the piston rod body, and the two clamping plates are respectively used to cooperate with one end edge of the piston rod body on both sides.
[0014] Preferably, the edges between the other end of the limiting plate and the top and bottom, the edges between the bottom of the first baffle and the side away from the placement box, and the edges between the top of the second baffle and the side close to the placement box are all provided with smooth curved surfaces. The cross-section of the groove of the limiting plate is provided with a trapezoidal shape, and the top of the groove cross-section is provided with an arc shape concentric with the mounting ring.
[0015] Compared with the prior art, the beneficial effects of this application are as follows: (1) This invention proposes a piston rod verticality detection device, which is equipped with a placement box, a rotating motor, a mounting frame, a mounting plate, a mounting ring, a connecting component, two limiting plates, two sets of buffer components, two baffles, two blocks, two baffles, and two limiting grooves. The operator first puts the flange end of the piston rod body into the placement box. The rotating motor drives the mounting plate, mounting ring, and limiting grooves to rotate. During the 60-degree rotation, the flange end is tightened and clamped. The blocks prevent the placement box from rotating prematurely. After rotating 60 degrees, the piston rod body is rotated 360 degrees to complete the detection. After the detection is completed, the piston rod body is rotated 60 degrees in the opposite direction to unlock and the piston rod body can be taken out. This realizes a continuous operation of automatically clamping the piston rod body and driving the rotation detection and automatically unlocking after the detection is completed. The manual labor intensity is low, the operation is convenient, and the detection efficiency is high.
[0016] (2) The present invention proposes a piston rod verticality detection device, which is equipped with several abutment plates, several buffer springs, buffer pads, two clamping plates and two limiting blocks. First, the flange end of the piston rod body is placed into the box through the placement opening of the box, so that one side of the flange end contacts the buffer pad to complete the initial positioning. Then, the rotating motor drives the mounting plate to rotate. On the one hand, the mounting plate drives the abutment plate in the slot to rotate. The abutment plate initially contacts the outer wall of the box and is squeezed, compressing the buffer spring and elastically contracting itself. After the slot is aligned with the insertion port of the box, the abutment plate elastically resets and extends into the insertion port, applying a clamping force from the other side of the flange end to push it to fit the buffer pad to complete the axial positioning. On the other hand, the mounting plate drives the mounting ring and the inner wall limiting block to rotate through the connecting plate. The initially opened clamping plate rotates around the flange end around the torsion spring under the pushing force of the smooth edge of the isosceles triangular limiting block. Finally, it tilts to contact both sides of the flange end, applying a clamping force that can be decomposed into a horizontal centering clamping force and a front and rear auxiliary clamping force, thus realizing the clamping of the flange end.
[0017] (3) The present invention proposes a piston rod verticality detection device, which is provided with a mounting plate 1, a mounting plate 2, two clamping plates 2, two sets of buffer components 2, two clamping plates 3 and two buffer springs 2. The clamping plates 3 rotate outward and open under the elastic force of the buffer springs 2. The clamping plates 2 open symmetrically under the action of the buffer components 2, reserving space for the piston rod body to be placed. The operator presses the far end of the piston rod body down between the clamping plates 3, pushing the clamping plates 3 to rotate into the mounting groove and compress the buffer springs 2. At the same time, it drives the clamping plates 2 to move and compress the buffer components 2. After the piston rod body is placed in place, the clamping plates 3 are completely stored in the mounting groove and are flush with the inner side of the clamping plates 2. The elastic force of the buffer components 2 and the buffer springs 2 work together to achieve stable support and fixation of the far end of the piston rod body. Attached Figure Description
[0018] Figure 1 This is a perspective view of the present invention.
[0019] Figure 2 This is a perspective view of the side of the present invention.
[0020] Figure 3 This is a perspective view highlighting the piston rod body in this invention.
[0021] Figure 4 For the present invention Figure 3 The 3D image highlighting point A is shown in the image.
[0022] Figure 5 This is a perspective view highlighting the mounting ring in this invention.
[0023] Figure 6 For the present invention Figure 5 The 3D diagram highlighting point B is shown in the image.
[0024] Figure 7 This is a perspective view highlighting the clamping plate in this invention.
[0025] Figure 8 For the present invention Figure 7 The 3D image highlighting point C is shown in the image.
[0026] Figure 9 This is a perspective view highlighting the cushioning pad in this invention.
[0027] Figure 10 This is a cross-sectional view highlighting the buffer spring three in this invention.
[0028] Figure 11 This is a cross-sectional view highlighting the fourth buffer spring in this invention.
[0029] In the diagram: 1. Workbench; 10. Piston rod body; 11. Laser sensor; 201. Placement box; 202. Rotary motor; 203. Mounting bracket; 204. Mounting plate; 205. Mounting ring; 207. Limiting plate; 208. Baffle one; 209. Stop block; 2010. Baffle two; 2011. Limiting groove plate; 301. Clamping plate; 302. Buffer spring one; 303. Buffer pad; 401. Connecting plate; 402. Clamping plate one ; 403, Limiting block; 501, Mounting plate one; 502, Mounting plate two; 503, Clamping plate two; 504, Clamping plate three; 505, Buffer spring two; 601, Electric slide rail one; 602, Electric slider one; 603, Slide rail two; 604, Slider two; 701, Mounting plate three; 702, Sleeve one; 703, Insert rod one; 704, Buffer spring three; 705, Sleeve two; 706, Insert rod two; 707, Buffer spring four. Detailed Implementation
[0030] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0031] In the description of this application, it should be noted that the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., which indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of this application.
[0032] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.
[0033] One preferred embodiment of this application, such as Figures 1 to 11 As shown, a piston rod verticality detection device includes: a worktable 1, and further includes: a piston rod body 10, a laser sensor 11, a placement assembly, a support assembly, a clamping assembly, a clamping assembly, a drive assembly, and a linkage mechanism; the piston rod body 10 is horizontally positioned directly above the top of the worktable 1; the laser sensor 11 is slidably mounted on one side of the top of the worktable 1 via a sliding assembly; the placement assembly is mounted at one end of the top of the worktable 1 for placing one end of the piston rod body 10; the support assembly is mounted at the other end of the top of the worktable 1 for supporting the other end of the piston rod body 10; the clamping assembly is located at one end of the top of the worktable 1 for clamping one end of both sides of the piston rod body 10; the clamping assembly is located at one end of the top of the worktable 1 for clamping one end of the piston rod body 10; the drive assembly is mounted at one end of the top of the worktable 1 for driving the clamping assembly and the clamping assembly to perform clamping and clamping operations on the piston rod body 10 respectively; the linkage mechanism is located between the clamping assembly and the drive assembly for driving the drive assembly to rotate the piston rod body 10 via the linkage mechanism.
[0034] When using the device, the operator first places the flanged end of the piston rod body 10 into the placement assembly, while simultaneously placing the other end into the support assembly for initial support and positioning. Then, the drive assembly is activated, rotating the relevant structures by 60 degrees. During this process, the clamping assembly first clamps and positions the flanged end of the piston rod body 10, followed by the clamping assembly, which clamps and secures the piston rod body 10 from both sides of the flanged end, ensuring a stable position. After the position is fixed, the drive assembly continues to operate, driving the clamping assembly, clamping assembly, and piston rod body 10 to rotate together via the linkage mechanism. At this time, the laser sensor 11 aligns with the front section of the piston rod body 10, performing perpendicularity detection on this section during the 360-degree rotation and uploading the detection data in real time. The first section detection is then complete. Then, the sliding component 1 moves the laser sensor 11 to the middle section of the piston rod body 10. The drive component then rotates the piston rod body 10 360 degrees to complete the detection of the second section. Subsequently, the sliding component 1 continues to move the laser sensor 11 to the end section of the piston rod body 10. The drive component then rotates the piston rod body 10 360 degrees to complete the detection of the third section. After all three sections have been detected, the drive component is activated in reverse. The drive component unlocks the clamping and abutting components. During this process, the piston rod body 10 remains stationary. Finally, the operator manually removes the piston rod body 10 to complete one detection operation. This achieves a continuous operation of automatically clamping the piston rod body 10, driving rotation for detection, and automatically unlocking after detection. It reduces manual labor intensity, is convenient to operate, and has high detection efficiency.
[0035] Further reference Figures 1-5 and Figures 7-10The placement assembly includes: a placement box 201, which is vertically positioned directly above one end of the worktable 1. The placement box 201 is circular, and a placement opening is provided at the top of the end of the placement box 201 closest to the piston rod body 10. The drive assembly includes: a rotary motor 202, which is fixedly installed at one end of the top of the worktable 1. The linkage mechanism includes: a mounting frame 203, a mounting plate 204, a mounting ring 205, a connecting assembly, two limiting plates 207, two sets of buffer assemblies, two baffles 208, two stops 209, two baffles 2010, and two limiting grooves 2011. The mounting frame 203 is fixedly installed at one end of the top of the worktable 1, and the top of the mounting frame 203 is concave and arc-shaped. The mounting plate 204 is vertically and rotatably mounted on the outer wall of the other end of the placement box 201. The center position of the end of the mounting plate 204 away from the placement box 201 is aligned with the rotary motor. The output shaft of 202 is fixedly installed. The top of the mounting bracket 203 is concentric with the axis of rotation of the mounting plate 204. The mounting ring 205 is vertically sleeved on the outside of the mounting plate 204. The connecting component is installed between one end of the mounting ring 205 and the mounting plate 204. Two limiting plates 207 are horizontally slidably installed on both sides of the outer circumference of the placement box 201 through the second sliding component. Two sets of buffer components are installed on both sides of the outer circumference of the placement box 201. The first baffle 208 is T-shaped. The two baffles 208 are fixedly installed at the bottom of the two limiting plates 207. Two stops 209 are fixedly installed on the top two sides of the mounting bracket 203 near the rotating motor 202. The two baffles 2010 are hinged to the other sides of the top two sides of the mounting bracket 203 through torsion spring hinges on their respective sides. Two limiting groove plates 2011 are fixedly installed on both sides of the outer circumference of the mounting ring 205.
[0036] First, the flange end of the piston rod body 10 is placed into the placement box 201 through the placement opening at the top of the placement box 201 to complete the initial placement. Then, the rotation motor 202 in the drive assembly is started. The output shaft of the rotation motor 202 drives the mounting plate 204 to rotate. The mounting plate 204 drives the mounting ring 205 sleeved on its outer side to rotate synchronously through the connecting assembly. This, in turn, drives the limiting groove plates 2011 on both sides of the outer circumference of the mounting ring 205 to rotate together. During the process of the mounting ring 205 driving the limiting groove plates 2011 to rotate 60 degrees, on the one hand, the mounting ring 205 links the clamping assembly and the abutting assembly to complete the positioning operation of first abutting and then clamping the flange end of the piston rod body 10. On the other hand, the rotating limiting groove plate 2011 contacts the limiting plate 207 and pushes the limiting plate 207 to move horizontally along the outer circumference of the placement box 201 through the sliding assembly. The limiting plate 207 synchronously drives the bottom baffle 208 to move until the mounting ring 205 rotates 60 degrees. At this point, the first baffle 208 is completely misaligned with the stop block 209 on the top of the mounting bracket 203. Simultaneously, the limiting plate 207 slides to the deepest part of the limiting groove 2011, and the first baffle 208 corresponds to the second baffle 2010 on the other side of the top of the mounting bracket 203. If the mounting ring 205 has not rotated 60 degrees, the clamping and abutting components have not yet completed the clamping and abutting operations. At this time, the limiting plate 207 has not slid to the deepest part of the limiting groove 2011, and the first baffle 208 and the stop block 209 are still in contact. The stop block 209 will block the first baffle 208, preventing the placement box 201 from rotating prematurely with the mounting ring 205. When the mounting ring 205 rotates 60 degrees... After the clamping and pressing operations are completed, the limiting groove plate 2011 continues to rotate. At this time, the limiting groove plate 2011 will drive the limiting plate 207 to rotate synchronously, thereby driving the placement box 201 and the internal piston rod body 10 to rotate 360 degrees together. This, in conjunction with the laser sensor 11, completes the perpendicularity detection of the corresponding section. The above actions are repeated when detecting the second and third sections. After all three sections have been detected, the rotating motor 202 is started in reverse, driving the mounting plate 204, mounting ring 205 and limiting groove plate 2011 to rotate in the opposite direction. During this process, the baffle 2010, which is in contact with the limiting plate 207, will form a one-way block against the baffle 208, preventing the placement box 201 and piston rod body 10 from rotating in the opposite direction with the mounting ring 205, until the mounting ring 205 rotates 60 degrees in the opposite direction. Once the clamping and abutting components have completed the unlocking operation, the operator can then remove the piston rod body 10 upwards to complete one inspection process. This achieves a continuous operation of automatically clamping the piston rod body 10, driving its rotation for inspection, and automatically unlocking it after inspection. It reduces manual labor intensity, is easy to operate, and has high inspection efficiency.
[0037] Further reference Figure 7 and Figure 9The clamping assembly includes: several clamping plates 301, several buffer springs 302, and buffer pads 303. The other end of the mounting plate 204 has slots equidistantly arranged on its edge, and the other end of the placement box 201 has inlets equidistantly arranged. Several inlets are respectively configured to cooperate with several slots. Several clamping plates 301 are respectively inserted into several slots. The clamping plates 301 are made of elastic material. Several inlets, several slots, and several clamping plates 301 are all arc-shaped. Two buffer springs 302 form a group. Two buffer springs 302 in several groups are respectively fixedly installed between the two sides of one end of the clamping plate 301 and the inner wall of one end of the slot. The buffer pads 303 are fixedly installed on the inner wall of one end of the placement box 201.
[0038] First, the flange end of the piston rod body 10 is inserted into the placement box 201 through the placement opening, so that one side of the flange end contacts the buffer pad 303 on the inner wall of one end of the placement box 201, completing the initial positioning. Then, the rotating motor 202 is started, and the rotating motor 202 drives the mounting plate 204 to rotate synchronously. The mounting plate 204 drives several clamping plates 301 in the slot one on the other end of its side to rotate together. In the initial state, the clamping plates 301 are in contact with the outer wall of the other end of the placement box 201. When the mounting plate 204 rotates, the outer wall of the placement box 201 squeezes the clamping plates 301, causing the clamping plates 301 to compress the buffer springs 302 on both sides of one end. At the same time, because The clamping plate 301 is made of elastic material and contracts elastically on its own, shrinking into the slot 1 as a whole. As the mounting plate 204 continues to rotate, when the slot 1 rotates to align with the insertion port at the other end of the placement box 201, the clamping plate 301 loses the squeezing constraint of the outer wall, the elastic force of the buffer spring 302 is quickly released, and the clamping plate 301 elastically resets itself, extending from the slot 1 into the corresponding insertion port. After the clamping plate 301 resets, it applies clamping force from the other side of the piston rod body flange end, pushing the flange end to completely fit against the surface of the buffer pad 303, thereby completing the axial positioning of the piston rod body 10 flange end and preventing axial movement during subsequent rotation detection.
[0039] Further reference Figure 1 , Figure 4 , Figure 5 , Figure 7 as well as Figure 9The connecting components include: several connecting plates 401, which are equidistantly arranged and fixedly installed between one end of the mounting ring 205 and the edge of the mounting plate 204 near the rotating motor 202. The clamping components include: two clamping plates 402 and two limiting blocks 403. Sliding openings are provided on both sides of the outer wall edge of the other end of the placement box 201. One end of the two clamping plates 402 is rotatably installed on both sides of the inner wall edge of one end of the placement box 201 through a torsion spring shaft. The other ends of the two clamping plates 402 pass through the two sliding openings. The cross section of the limiting block 403 is set in an isosceles triangle. The edge corresponding to the apex of the limiting block 403 is set in a smooth curved surface. The two limiting blocks 403 are fixedly installed on both sides of the inner circumference of the mounting ring 205.
[0040] First, the initial placement of the flange end of the piston rod body 10 is completed. Then, the rotating motor 202 is started, which drives the mounting plate 204 to rotate. The mounting plate 204, through several equidistantly arranged connecting plates 401, synchronously drives the mounting ring 205 sleeved on its outer side to rotate together. This, in turn, causes the limiting blocks 403 on both sides of the inner circumference of the mounting ring 205 to move in a circular motion with the mounting ring 205. In the initial state, under the action of the torsion spring shaft, the side of the two clamping plates 402 away from the flange end of the piston rod body 10 is in a naturally open state. When the mounting ring 205 drives the limiting blocks 403 to rotate to contact the outer side of the clamping plates 402, because the cross section of the limiting block 403 is an isosceles triangle, and the apex angle corresponds to... With smooth curved edges, the limiting block 403 applies a pushing force to the clamping plate 402 through its smooth edges during continuous rotation. This pushes the clamping plate 402 to rotate around the torsion spring axis toward the flange end of the piston rod body. As the mounting ring 205 continues to rotate, the clamping plate 402 gradually contacts the two sides of the flange end of the piston rod body 10, and the contact direction is inclined. At this time, the clamping force applied by the clamping plate 402 can be decomposed into a horizontal centering clamping force and a front-back auxiliary clamping force. This not only limits the horizontal position of the flange end but also further enhances the axial positioning effect of the flange end, ultimately completing the stable clamping of the flange end of the piston rod body 10, providing a reliable positioning basis for subsequent rotation detection.
[0041] Further reference Figures 1-2 , Figure 6 and Figure 11The support components include: mounting plate 1 501, mounting plate 2 502, two clamping plates 2 503, two sets of buffer components 2, two clamping plates 3 504, and two buffer springs 2 505. Mounting plate 1 501 is vertically fixed to the other end of the top of the workbench 1. Mounting plate 2 502 is arc-shaped and rotatably mounted to one end of mounting plate 1 501. The clamping plates 2 503 are arc-shaped and symmetrically arranged on both ends of mounting plate 1 501. On the side, two sets of buffer components are respectively installed between the two clamping plates 503 on the side away from each other and the top of the mounting plate 502 on both sides. The two clamping plates 503 are provided with mounting grooves on the side that is close to each other. The clamping plate 504 is arc-shaped. The top of the two clamping plates 504 is respectively hinged to the top inner wall of the two mounting grooves. The two buffer springs 505 are respectively fixedly installed between the bottom of the two clamping plates 504 on the side away from each other and the bottom inner wall of the two mounting grooves on the side away from each other.
[0042] When the operator uses this support assembly, in the initial state, the two clamping plates 504, under the elastic release of the buffer spring 505, rotate outward around their hinge point with the inner wall of the mounting groove, instead of being stored in the mounting groove of the clamping plate 503. At this time, the two clamping plates 504 are in an open state, leaving space for the insertion of the piston rod body 10. At the same time, the two clamping plates 503 maintain a symmetrically opened initial posture under the action of the two sets of buffer assemblies 2. Subsequently, the operator inserts the piston rod body 10... With the end furthest from the flange aligned with the space between the two open clamping plates 504, press the piston rod body 10 downwards. The piston rod body 10 will contact the inner sides of the two clamping plates 504, pushing the clamping plates 504 to rotate around the hinge point into the mounting groove. During this process, the clamping plates 504 will compress the buffer spring 505 on one side of their bottom. As the piston rod body 10 continues to be placed downwards, its rod will further press the clamping plates 504 to both sides, indirectly pushing them through the clamping plates 504. Clamping plate 2 503 moves closer to piston rod body 10. As clamping plate 2 503 moves, it compresses the buffer components 2 on both sides. Once piston rod body 10 is in place, the two clamping plates 3 504 are completely housed in the mounting groove of clamping plate 2 503, with the inner side of clamping plate 3 504 flush with the inner side of clamping plate 2 503. At this time, the elastic force of buffer component 2 acts in the opposite direction on clamping plate 2 503, pushing the two clamping plates 2 503 to form a stable clamp on the distal end of piston rod body 10 from both sides. The clamping plate 3 504, under the elastic force of the buffer spring 2 505, helps to fit against the rod body, together achieving support and fixation of the distal end of the piston rod body 10, ensuring the stability of subsequent rotation detection. When it is necessary to remove the piston rod body 10, the operator only needs to apply external force upward to move the distal end of the piston rod body 10. The external force will overcome the elastic force of the buffer assembly 2 and the buffer spring 2 505, pushing the clamping plate 2 503 to open to both sides and the clamping plate 3 504 to rotate outward, so that the piston rod body 10 can be easily removed upward.
[0043] Further reference Figure 2 and Figure 4 The first sliding component includes: an electric slide rail 601 and an electric slider 602. The electric slide rail 601 is horizontally fixedly installed on one side of the top of the worktable 1, and the electric slider 602 is slidably installed on the electric slide rail 601. The electric slider 602 is fixedly installed on the bottom of the laser sensor 11. The second sliding component includes: a slide rail 603 and a slider 604. The slide rail 603 is horizontally fixedly installed on one side of the outer circumference of the placement box 201, and the slider 604 is slidably installed on the slide rail 603. The slider 604 is fixedly installed on one side of the limiting plate 207.
[0044] The laser sensor 11 slides stably on the electric slide rail 601 via the electric slider 602, and the limiting plate 207 slides stably on the slide rail 603 via the slider 604.
[0045] Further reference Figure 1 , Figure 4 , Figure 10 as well as Figure 11 The buffer assembly includes: mounting plate 701, sleeve 702, insert rod 703, and buffer spring 704. Mounting plate 701 is fixedly installed on one end of the outer circumference of the placement box 201. Sleeve 702 is horizontally fixedly installed on one end of mounting plate 701. One end of insert rod 703 is inserted into sleeve 702, and the other end of insert rod 703 is fixedly installed to one end of limiting plate 207. Buffer spring 704 is fixedly installed between one end of insert rod 703 and the inner wall of one end of sleeve 702. Component 2 includes: sleeve 2 705, insert rod 2 706, and buffer spring 4 707. The two sleeves 2 705 are respectively fixedly installed on both sides of the top of the mounting plate 2 502. The two insert rods 2 706 are respectively inserted into the two sleeves 2 705 at their far ends. The two insert rods 2 706 are respectively fixedly installed on the far ends of the two clamping plates 2 503. The two buffer springs 4 707 are respectively fixedly installed between the far ends of the two insert rods 2 706 and the far ends of the two sleeves 2 705.
[0046] When the drive assembly rotates the mounting ring 205 and the limiting groove plate 2011, and the limiting groove plate 2011 contacts the limiting plate 207 and pushes it to move horizontally, the limiting plate 207 simultaneously drives the insertion rod 703 to slide into the sleeve 702. During this process, one end of the insertion rod 703 presses against the buffer spring 704 on the inner wall of the sleeve 702, causing the buffer spring 704 to gradually compress. The elastic force of the buffer spring helps to buffer and decelerate the movement of the limiting plate 207, preventing the limiting plate from moving horizontally. Due to excessive thrust, rigid collision occurs at 207. To ensure smooth movement, when the thrust of the limiting groove plate 2011 disappears, the compressed buffer spring 704 releases its elasticity, pushing the insert rod 703 to slide outward along the sleeve 702 to reset, thereby driving the limiting plate 207 back to its initial position. When the operator inserts the distal end of the piston rod body 10 into the support assembly and presses it down, the piston rod body 10 pushes the clamping plate 504 to rotate into the mounting groove, thereby driving the clamping plate 50 3. Move towards the piston rod body. When clamping plate 2 503 moves, it simultaneously drives insert rod 2 706 to slide into sleeve 2 705, squeezing the buffer spring 4 707 on the inner wall of sleeve 2 705. This causes the buffer spring 4 707 to gradually compress, buffering the clamping speed of clamping plate 2 503 through spring force, thus avoiding rigid compression damage to the piston rod body. After the piston rod body 10 is placed in place, the buffer spring 4 707 remains slightly compressed. Its continuous elastic force is transmitted to clamping plate 2 503 through insert rod 2 706, ensuring that clamping plate 2 503 forms a stable clamp on the distal end of the piston rod body. When it is necessary to remove the piston rod body, the operator applies an external force upward to drive the piston rod body away from the support assembly. The squeezing constraint of clamping plate 2 503 disappears, and the compressed buffer spring 4 707 releases its elastic force, pushing insert rod 2 706 to slide outward along sleeve 2 705 to reset. This, in turn, causes clamping plate 2 503 to open to both sides, restoring the initial state.
[0047] Further reference Figure 6 The bottom sides of the two clamping plates 2503 that are close to each other are both set with arc-shaped mating surfaces that are adapted to each other.
[0048] The bottom sides of the two clamping plates 503, which are close to each other, are both set with arc-shaped mating surfaces that adapt to each other. Driven by a buffer spring 505, the two clamping plates 503 rotate angularly. During the rotation, the arc-shaped mating surfaces of the two plates act as guides, causing their bottoms to gradually fit together and abut, eventually forming a continuous, approximately arc-shaped structure. This structure restricts the clamping plates 503 from continuing to rotate, and even if the spring force of the reset component is not fully released, it will be limited. At this time, the device remains in a stable open state, facilitating the movement of the target component from... The other end of the device is inserted. When the target part is inserted, the mating arc-shaped mating surface will drive the two clamping plates 503 to move synchronously toward the target part, thereby achieving the clamping and fixing of the target part. This arc-shaped mating surface design can not only avoid jamming or misalignment during the mating process, but also improve the limiting stability by increasing the contact area with the blocking component and making the force more uniform. At the same time, it ensures that the rotation angle of the two clamping plates 503 is completely synchronized, so that the clamping force on the target part is evenly distributed and the clamping firmness is improved.
[0049] Further reference Figure 4 The clamping plate 402 is arranged in a concave arc shape on the side near the piston rod body 10, and the two clamping plates 402 are respectively used to cooperate with one end edge of the piston rod body 10 on both sides.
[0050] The concave arc-shaped surfaces on the inner sides of the two clamping plates 402 first precisely fit against one edge on each side of the piston rod body 10. Then, as the clamping plates 402 continue to retract, the arc-shaped surfaces can form a tight surface contact with the edge of the piston rod body. The advantage of this design is that the compatibility between the concave arc and the edge of the piston rod body allows the clamping force to be evenly distributed in the contact area, avoiding squeezing damage to the end of the piston rod body 10 caused by point contact or line contact. At the same time, the way the two clamping plates 402 correspond to the two edges of the piston rod body can accurately position the end of the piston rod body 10, preventing the piston rod body 10 from shifting or tilting during the clamping process. In addition, the guiding effect of the arc-shaped surfaces can make the retraction action of the clamping plates 402 smoother, reduce jamming during the movement, and improve the stability and reliability of the device's clamping operation. Further reference Figure 8 The edges between the other end of the limiting plate 207 and the top and bottom, the edges between the bottom of the first baffle 208 and the side away from the placement box 201, and the edges between the top of the second baffle 2010 and the side close to the placement box 201 are all set with smooth curved surfaces. The cross-section of the groove of the limiting slot 2011 is set with a trapezoidal shape, and the top of the groove cross-section is set with an arc shape concentric with the mounting ring 205.
[0051] When the mounting ring 205 rotates, the groove of the limiting groove plate 2011 will first contact the smooth curved edge of the limiting plate 207. The guiding effect of the smooth curved surface can greatly reduce the contact friction and prevent the mounting ring 205 from getting stuck or scraping, allowing it to slide smoothly to the groove of the limiting groove plate 2011. The arc-shaped surface at the top of the groove section, which is concentric with the mounting ring 205, will make precise surface contact with the mounting ring 205. This not only effectively prevents the mounting ring 205 from radially shaking in the groove, but also makes the force between the two evenly distributed. When the device performs a reset or reverse action, the mounting ring 205 can slide smoothly in the reverse direction along the trapezoidal groove of the limiting groove plate 2011 and the smooth curved edge of each component, ensuring the continuity and reliability of the device's operation throughout the process.
[0052] Working principle: When using the piston rod body verticality detection device, the operator first inserts the flanged end of the piston rod body 10 into the placement box 201 through the placement opening at the top of the placement box 201, so that one side of the flange end contacts the buffer pad 303 on the inner wall of the placement box 201. At the same time, the operator presses the other end downwards, aligning it with the space between the two clamping plates 504 in the support assembly. The piston rod body 10 pushes the clamping plate 504 to rotate into the mounting groove and compresses the buffer spring 505, thereby driving the clamping plate 503 to move inwards and compress the buffer assembly 2 until the far end of the piston rod body 10 is in place and the clamping plate 504 is stored in the mounting groove. Under the elastic force of the buffer assembly 2, the clamping plate 503 forms a clamping support for the far end. Then, the operator starts the rotating motor 202 in the drive assembly. Its output shaft drives the mounting plate 204 to rotate. The mounting plate 204, through the connecting plate 401, synchronously drives the mounting ring 205 and the outer limiting groove plate 2011 and the inner... The limiting block 403 rotates together. During the rotation, the clamping plate 301 on the mounting plate 204 is first compressed by the outer wall of the placement box 201, compressing the buffer spring 302 and elastically contracting. When the slot 1 aligns with the insertion port of the placement box 201, the clamping plate 301 returns to its original position under the action of the spring force and its own elasticity, extending into the insertion port and applying a clamping force from the other side of the flange end to push it to completely fit the buffer pad 303. Immediately afterwards, the limiting block 403 pushes the clamping plate 402 to rotate around the torsion spring through the smooth curved edge. When rotated axially inward, its inner concave arc surface precisely fits against the two edges of the flange end. A horizontal centering clamping force and front and rear auxiliary clamping forces are applied to complete the clamping. Simultaneously, the limiting groove plate 2011 contacts the limiting plate 207, pushing the limiting plate 207 to move along the outer wall of the placement box 201 via the sliding assembly two. This causes the baffle one 208 to be misaligned with the stop block 209. The limiting plate 207 slides to the deepest part of the groove in the limiting groove plate 2011 and aligns with the baffle two 2010. At this point, the mounting ring 205 has rotated exactly 60 degrees. After the clamping and abutting operations are completed, the rotating motor 202 continues to operate, driving the placement box 201 and the piston rod body 10 to rotate 360 degrees together via the linkage mechanism. At this time, the laser sensor 11 aligns with the front section of the piston rod body 10 to complete the verticality detection and upload the data. Then, the laser sensor 11 moves sequentially to the middle section and the end section of the rod body via the electric slider 602 on the electric slide rail 601. The rotating motor 202 drives the piston rod body 10 to rotate 360 degrees each time to complete the corresponding section detection. After the three section detections are completed, the rotating motor 202 is started in reverse, driving the mounting plate 204, mounting ring 205 and related components to rotate in the opposite direction. During this process, the baffle 2010 forms a one-way block against the baffle 208 to prevent the piston rod body 10 from moving along with it, until the mounting ring 205 rotates 60 degrees in the opposite direction, the clamping component and the abutting component unlock. Finally, the operator manually lifts the piston rod body 10 upwards to complete one inspection operation.The smooth curved edges of the limiting plate 207, baffle one 208, and baffle two 2010, along with the trapezoidal groove and concentric arc surface of the limiting groove plate 2011, provide precise guidance and reduce friction. The arc-shaped mating surface of clamping plate two 503 ensures synchronized movement. Each buffer component provides smooth buffering, preventing rigid damage. This achieves a continuous operation of automatically clamping the piston rod body, driving rotation for detection, and automatically unlocking after detection. It reduces manual labor intensity, is easy to operate, and has high detection efficiency.
[0053] The basic principles, main features, and advantages of this application have been described above. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this application. Various changes and modifications can be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection claimed by this application is defined by the appended claims and their equivalents.
Claims
1. A piston rod perpendicularity detection device, comprising: The workbench (1) is characterized by further comprising: Piston rod body (10): The piston rod body (10) is horizontally positioned directly above the top of the worktable (1); Laser sensor (11): The laser sensor (11) is slidably mounted on one side of the top of the worktable (1) via a sliding assembly; Placement assembly: The placement assembly is installed at one end of the top of the worktable (1) for placing one end of the piston rod body (10); Support assembly: The support assembly is installed at the other end of the top of the worktable (1) to support the other end of the piston rod body (10); Clamping assembly: The clamping assembly is disposed at one end of the top of the worktable (1) for clamping one end of both sides of the piston rod body (10); Clamping assembly: The clamping assembly is disposed at one end of the top of the worktable (1) for clamping one end of the piston rod body (10); Drive assembly: The drive assembly is installed at one end of the top of the worktable (1) to drive the clamping assembly and the abutting assembly to perform clamping and abutting operations on the piston rod body (10) respectively; Linkage mechanism: The linkage mechanism is disposed between the clamping assembly and the driving assembly, so as to drive the piston rod body (10) to rotate through the linkage mechanism.
2. The piston rod perpendicularity detection device as described in claim 1, characterized in that, The placement component includes: a placement box (201), which is vertically arranged directly above one end of the top of the workbench (1). The placement box (201) is circular, and a placement opening is provided at the top of one end of the placement box (201) near the piston rod body (10). The drive component includes: a rotary motor (202), which is fixedly installed at one end of the top of the workbench (1). The linkage mechanism includes: a mounting frame (203), a mounting plate (204), a mounting ring (205), a connecting component, two limiting plates (207), two sets of buffer components, two baffles (208), two stops (209), two baffles (2010), and two limiting slots (2011). The mounting frame (203) is fixedly installed at one end of the top of the workbench (1). The top of the mounting frame (203) is set in a concave arc shape. The mounting plate (204) is vertically rotatably installed on the outer wall of the other end of the placement box (201). The center position of the end of the mounting plate (204) away from the placement box (201) is fixedly installed with the output shaft of the rotating motor (202). The top of the mounting frame (203) is concentric with the axis of rotation of the mounting plate (204). The mounting ring (205) is vertically sleeved on the outside of the mounting plate (204). The connecting component is installed between one end of the mounting ring (205) and the mounting plate (204). The two limiting plates (207) are horizontally slidably installed on both sides of the outer circumference of the placement box (201) through the sliding component two. The two sets of buffer components one are respectively installed on both sides of the outer circumference of the placement box (201). The baffle one (208) is T-shaped. The two baffles one (208) are respectively fixedly installed at the bottom of the two limiting plates (207). The two blocks (209) are respectively fixedly installed on the top two sides of the mounting frame (203) near the rotating motor (202). The two baffles two (2010) are respectively hinged to the other side of the top two sides of the mounting frame (203) through torsion spring hinges on their respective sides. The two limiting groove plates (2011) are respectively fixedly installed on both sides of the outer circumference of the mounting ring (205).
3. The piston rod perpendicularity detection device as described in claim 2, characterized in that, The clamping assembly includes: several clamping plates (301), several buffer springs (302), and a buffer pad (303). The other end of the mounting plate (204) has slots arranged at equal intervals along its edge. The other end of the placement box (201) has inlets arranged at equal intervals. Several inlets are respectively matched with several slots. Several clamping plates (301) are respectively inserted into several slots. The clamping plates (301) are made of elastic material. Several inlets, several slots, and several clamping plates (301) are all arc-shaped. Two buffer springs (302) form a group. Two buffer springs (302) in several groups are respectively fixedly installed between the two sides of one end of the clamping plate (301) and the inner wall of one end of the slot. The buffer pad (303) is fixedly installed on the inner wall of one end of the placement box (201).
4. The piston rod perpendicularity detection device as described in claim 2, characterized in that, The connecting assembly includes: a plurality of connecting plates (401), which are equidistantly arranged and fixedly installed between one end of the mounting ring (205) and the edge of the mounting plate (204) near the rotating motor (202). The clamping assembly includes: two clamping plates (402) and two limiting blocks (403). Sliding openings are provided on both sides of the outer wall edge of the other end of the placement box (201). One end of the two clamping plates (402) is rotatably installed on both sides of the inner wall edge of one end of the placement box (201) through a torsion spring shaft. The other ends of the two clamping plates (402) pass through the two sliding openings. The cross section of the limiting block (403) is an isosceles triangle. The edge corresponding to the apex of the limiting block (403) is a smooth curved surface. The two limiting blocks (403) are fixedly installed on both sides of the inner circumference of the mounting ring (205).
5. The piston rod perpendicularity detection device as described in claim 2, characterized in that, The support assembly includes: mounting plate one (501), mounting plate two (502), two clamping plates two (503), two sets of buffer components two, two clamping plates three (504), and two buffer springs two (505). Mounting plate one (501) is vertically fixed to the other end of the top of the workbench (1). Mounting plate two (502) is arc-shaped and rotatably mounted to one end of mounting plate one (501). Clamping plates two (503) are arc-shaped and the two clamping plates two (503) are symmetrically arranged on mounting plate one (501). On one side, two sets of buffer components are respectively installed between the two clamping plates (503) on the side away from each other and the top sides of the mounting plate (502). The two clamping plates (503) on the side close to each other are provided with mounting grooves. The clamping plate (504) is arc-shaped. The tops of the two clamping plates (504) are respectively hinged to the top inner walls of the two mounting grooves. The two buffer springs (505) are respectively fixedly installed between the bottom of the two clamping plates (504) on the side away from each other and the bottom inner walls of the two mounting grooves on the side away from each other.
6. The piston rod perpendicularity detection device as described in claim 2, characterized in that, The first sliding component includes: an electric slide rail (601) and an electric slider (602). The electric slide rail (601) is horizontally fixedly installed on one side of the top of the workbench (1). The electric slider (602) is slidably installed on the electric slide rail (601). The electric slider (602) is attached to the bottom of the laser sensor (11). The second sliding component includes: a slide rail (603) and a slider (604). The slide rail (603) is horizontally fixedly installed on one side of the outer circumference of the placement box (201). The slider (604) is slidably installed on the slide rail (603). The slider (604) is fixedly installed to one side of the limiting plate (207).
7. The piston rod perpendicularity detection device as described in claim 5, characterized in that, The buffer assembly includes: mounting plate three (701), sleeve one (702), insert rod one (703), and buffer spring three (704). The mounting plate three (701) is fixedly installed on one end of the outer circumference of the placement box (201). The sleeve one (702) is horizontally fixedly installed on one end of the mounting plate three (701). One end of the insert rod one (703) is inserted into the sleeve one (702). The other end of the insert rod one (703) is fixedly installed on one end of the limiting plate (207). The buffer spring three (704) is fixedly installed between one end of the insert rod one (703) and the inner wall of one end of the sleeve one (702). The buffer assembly 2 includes: sleeve 2 (705), insert rod 2 (706), and buffer spring 4 (707). The two sleeves 2 (705) are respectively fixedly installed on both sides of the top of the mounting plate 2 (502). The two insert rods 2 (706) are respectively inserted into the two sleeves 2 (705) at their far ends. The two insert rods 2 (706) are respectively fixedly installed on the far sides of the two clamping plates 2 (503). The two buffer springs 4 (707) are respectively fixedly installed between the far sides of the two insert rods 2 (706) and the far sides of the two sleeves 2 (705).
8. The piston rod perpendicularity detection device as described in claim 5, characterized in that, The bottom sides of the two clamping plates (503) that are close to each other are both set with arc-shaped mating surfaces that are adapted to each other.
9. The piston rod perpendicularity detection device as described in claim 4, characterized in that, The clamping plate 1 (402) is arranged in a concave arc shape on the side near the piston rod body (10), and the two clamping plates 1 (402) are respectively used to cooperate with one end edge of the piston rod body (10) on both sides.
10. The piston rod perpendicularity detection device as described in claim 2, characterized in that, The edges between the other end of the limiting plate (207) and the top and bottom, the edges between the bottom of the first baffle (208) and the side away from the placement box (201), and the edges between the top of the second baffle (2010) and the side close to the placement box (201) are all smooth curved surfaces. The cross-section of the groove of the limiting slot plate (2011) is trapezoidal, and the top of the groove cross-section is an arc shape concentric with the mounting ring (205).