Straightening detection device for piston rod of shock absorber

Abstract

The utility model provides a device for straightening and detecting a piston rod of a shock absorber, which belongs to the technical field of detection equipment, aims to solve the problem that the perpendicularity of the piston rod of the shock absorber is inconvenient to detect in the prior art, and comprises a base and a cross frame arranged on the base, the clamping mechanism is installed on the base, and the clamping mechanism is used for clamping and fixing the piston rod; the transverse displacement mechanism is mounted on the transverse frame; the amplitude indicating mechanism is mounted on the transverse displacement mechanism, and the transverse displacement mechanism can drive the amplitude indicating mechanism to move transversely; the amplitude indicating mechanism comprises a connecting piece, a sliding sleeve fixedly connected to the connecting piece, a vibration feeler lever slidably connected with the sliding sleeve, a first spring arranged on the periphery of the vibration feeler lever in a sleeving mode, a poke rod hinged to the connecting piece, an extension rod fixedly connected with the connecting piece, a pen installed at the outer end of the extension rod and a writing board arranged on the extension rod. The sliding elastic table is installed on the extension rod, and a writing board is installed on the sliding elastic table.

Description

Technical Field

[0001] This utility model belongs to the field of testing equipment technology, and more specifically, it relates to a device for testing the straightening of piston rods of shock absorbers. Background Technology

[0002] Shock absorbers are used to suppress the oscillations caused by the rebound of springs after absorbing shocks, as well as impacts from the road surface. They are widely used in automobiles to accelerate the attenuation of vibrations in the chassis and body, thereby improving the ride comfort of the vehicle. When driving over uneven roads, although the shock-absorbing springs can filter out road vibrations, the springs themselves will still have reciprocating motion, and shock absorbers are used to suppress this spring bounce.

[0003] The verticality of the piston rod of a shock absorber plays an important role in the long-term stable operation of the shock absorber. Currently, the detection method is mostly done manually, which is cumbersome and labor-intensive. Therefore, it is necessary to design a device to detect the verticality of the piston rod.

[0004] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and provided a device for straightening and testing the piston rod of a shock absorber, in order to achieve a more practical purpose. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a device for straightening and testing the piston rod of a shock absorber, thereby solving the problem that existing technologies are inconvenient for detecting the verticality of the piston rod of a shock absorber.

[0006] The purpose and effectiveness of this utility model for a shock absorber piston rod straightening and testing device are achieved by the following specific technical means:

[0007] A device for testing the straightening of a shock absorber piston rod, comprising:

[0008] The base and the crossbar mounted on the base;

[0009] A clamping mechanism is mounted on a base and is used to clamp and fix the piston rod.

[0010] A lateral displacement mechanism, which is mounted on a crossbeam;

[0011] An amplitude indicator mechanism is mounted on a lateral displacement mechanism, which is capable of driving the amplitude indicator mechanism to move laterally.

[0012] The amplitude indicating mechanism includes a connector, a sliding sleeve fixedly connected to the connector, a vibrating probe slidably connected to the sliding sleeve, a first spring sleeved on the outer periphery of the vibrating probe, a lever hinged to the connector, an extension rod fixedly connected to the connector, a pen mounted on the outer end of the extension rod, a writing board mounted on the extension rod, and a sliding elastic platform mounted on the extension rod. The writing board is mounted on the sliding elastic platform. A ring platform is fixedly connected to the vibrating probe. One end of the first spring abuts against the ring platform, and the other end of the first spring abuts against the connector. The lever is equipped with a hinge portion, which is hinged to the connector. The hinge portion divides the lever into a short side and a long side. The short side abuts against the upper end of the vibrating probe, and the pen is mounted at the end of the long side.

[0013] The amplitude indicator is located directly above the piston rod, and its movement can indicate the flatness of the piston rod surface.

[0014] Furthermore, the sliding elastic platform includes a base plate fixedly connected to the extension rod, a slide groove disposed on the base plate, a slot disposed at the end of the wedge-shaped slide groove, a magnet fixedly connected to the slot, a wedge-shaped block slidably connected in the wedge-shaped slide groove, multiple telescopic slide rods with one end connected to the wedge-shaped block, a second spring sleeved on the outer periphery of the telescopic slide rods, and a carrier plate connected to the other end of the telescopic slide rods. One end of the second spring abuts against the wedge-shaped block, and the other end of the second spring abuts against the carrier plate.

[0015] Furthermore, the lateral displacement mechanism includes a motor base fixedly connected to the crossbeam, a motor fixedly connected to the motor base, a lead screw connected to the motor drive, a lead screw nut threadedly connected to the lead screw, a guide sleeve fixedly connected to the connecting member, and a guide shaft slidably connected to the guide sleeve. The lead screw nut is fixedly connected to the connecting member.

[0016] Furthermore, the telescopic slide rod includes an inner rod body fixedly connected to a wedge-shaped block at one end, an outer boss fixedly connected to the other end of the inner rod body, an outer sleeve slidably sleeved on the outer periphery of the inner rod body, and an inner ring platform fixedly connected to the inner periphery of the outer sleeve near one end of the inner rod body. The outer sleeve is fixedly connected to a carrier plate.

[0017] Furthermore, the clamping mechanism includes a lower clamping block fixedly connected to the base, a shaft fixedly connected to the base at one end, a plate body disposed on the lower clamping block, a bushing fixedly connected to the plate body, an upper clamping block fixedly connected to the plate body, a nut fixedly connected to the plate body, a screw threadedly connected to the nut, and a knob fixedly connected to the upper end of the screw.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] This utility model uses a clamping mechanism 13 to clamp and fix the piston rod 16 to be tested, and then aligns the amplitude indicator mechanism 15 with the area to be tested of the piston rod 16 (that is, the tangent line of the piston rod 16 circumference facing upward). Then, the transverse displacement mechanism 14 drives the amplitude indicator mechanism 15 to move on the tangent line, so that the flatness of the tangent line is indicated on the amplitude indicator mechanism 15. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of a shock absorber piston rod straightening and testing device according to the present invention.

[0021] Figure 2 This is a three-dimensional structural schematic diagram of a clamping mechanism for a shock absorber piston rod straightening and testing device according to the present invention.

[0022] Figure 3 This is a three-dimensional structural diagram of a lateral displacement mechanism for a shock absorber piston rod straightening and detection device according to the present invention.

[0023] Figure 4 This is a three-dimensional structural schematic diagram of an amplitude indicating mechanism for a shock absorber piston rod straightening detection device according to the present invention.

[0024] Figure 5 This is an exploded structural diagram of a sliding elastic platform for a shock absorber piston rod straightening and testing device according to the present invention.

[0025] Figure 6 This is a cross-sectional structural schematic diagram of a telescopic slide rod for a shock absorber piston rod straightening and testing device according to the present invention.

[0026] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0027] 11. Base; 12. Horizontal frame; 13. Clamping mechanism; 131. Lower clamping block; 132. Shaft; 133. Bushing; 134. Plate; 135. Upper clamping block; 136. Nut; 137. Screw; 138. Knob; 14. Lateral displacement mechanism; 141. Motor base; 142. Motor; 143. Lead screw; 144. Lead screw nut; 145. Guide shaft; 146. Guide sleeve; 15. Amplitude indicator mechanism; 151. Connector; 152. Sliding sleeve; 153. Vibration probe; 1531. Ring platform; A spring 154, a lever 155, a hinge 1551, an extension rod 156, a pen 157, a writing board 158, a sliding elastic platform 159, a base plate 1591, a wedge-shaped groove 1592, a slot 1593, a magnet 1594, a wedge-shaped locking block 1595, a telescopic slide rod 1596, an inner rod body 15961, an outer boss 15962, an outer sleeve 15963, an inner ring platform 15964, a second spring 1597, a carrier plate 1598, and a piston rod 16. Detailed Implementation

[0028] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0029] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model 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 therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] Example:

[0032] As attached Figure 1 To be continued Figure 6 As shown:

[0033] This utility model provides a device for testing and calibrating the piston rod of a shock absorber, comprising:

[0034] Base 11 and crossbar 12 mounted on base 11;

[0035] Clamping mechanism 13, which is mounted on base 11, is used to clamp and fix piston rod 16;

[0036] Lateral displacement mechanism 14, which is mounted on cross frame 12;

[0037] An amplitude indicator mechanism 15 is mounted on a lateral displacement mechanism 14, which is capable of driving the amplitude indicator mechanism 15 to move laterally.

[0038] The amplitude indicating mechanism 15 includes a connector 151, a sliding sleeve 152 fixedly connected to the connector 151, a vibration probe 153 slidably connected to the sliding sleeve 152, a first spring 154 sleeved on the outer periphery of the vibration probe 153, a toggle lever 155 hinged to the connector 151, an extension rod 156 fixedly connected to the connector 151, a pen 157 mounted on the outer end of the extension rod 156, a writing board 158 disposed on the extension rod 156, and a sliding elastic platform 159 mounted on the extension rod 156. A writing board 158 is installed on the 159. A ring body 1531 is fixedly connected to the vibration probe 153. One end of the first spring 154 abuts against the ring body 1531, and the other end of the first spring 154 abuts against the connector 151. The actuating rod 155 is equipped with a hinge part 1551, which is hinged to the connector 151. The hinge part 1551 divides the actuating rod 155 into a short side and a long side. The short side abuts against the upper end of the vibration probe 153, and the pen 157 is installed at the end of the long side.

[0039] The amplitude indicator 15 is located directly above the piston rod 16, and the movement of the amplitude indicator 15 can indicate the surface flatness of the piston rod 16.

[0040] In this embodiment, a clamping mechanism 13 is set to clamp and fix the piston rod 16 to be tested. Then, the amplitude indicator mechanism 15 is aligned with the area to be tested of the piston rod 16 (that is, the tangent line of the piston rod 16 circumference facing upward). Then, the amplitude indicator mechanism 15 is driven to move on the tangent line by the lateral displacement mechanism 14, so that the flatness of the tangent line is shown on the amplitude indicator mechanism 15.

[0041] The sliding elastic platform 159 includes a base plate 1591 fixedly connected to the extension rod 156, a sliding groove 1592 disposed on the base plate 1591, a slot 1593 disposed at the end of the wedge-shaped sliding groove 1592, a magnet 1594 fixedly connected to the slot 1593, a wedge-shaped locking block 1595 slidably connected in the wedge-shaped sliding groove 1592, multiple telescopic sliding rods 1596 with one end connected to the wedge-shaped locking block 1595, a second spring 1597 sleeved on the outer periphery of the telescopic sliding rods 1596, and a carrier plate 1598 connected to the other end of the telescopic sliding rods 1596. One end of the second spring 1597 abuts against the wedge-shaped locking block 1595, and the other end of the second spring 1597 abuts against the carrier plate 1598. The wedge-shaped locking block 1595 is an iron block.

[0042] In use, the wedge-shaped locking block 1595 is inserted into the wedge-shaped sliding groove 1592, and the wedge-shaped locking block 1595 is placed near the magnet 1594. The magnet 1594 then magnetically attracts and fixes the wedge-shaped locking block 1595. Simultaneously with pushing the wedge-shaped locking block 1595 in, the download plate 1598 needs to be pressed, causing the second spring 1597 to retract. The writing plate 158 moves closer to the wedge-shaped locking block 1595, ensuring that when the writing plate 158 on the carrier plate 1598 moves to the pen 157, the pen tip will not write on the writing plate 158. Since the pen 157 is fixed to the lever 155, when the lever 155 swings, the pen 157 can write stably on the writing plate 158, leaving a trace of the vibration amplitude, which facilitates the indication of its surface flatness.

[0043] The lateral displacement mechanism 14 includes a motor base 141 fixedly connected to the cross frame 12, a motor 142 fixedly connected to the motor base 141, a lead screw 143 driven by the motor 142, a lead screw nut 144 threadedly connected to the lead screw 143, a guide sleeve 146 fixedly connected to the connector 151, and a guide shaft 145 slidably connected to the guide sleeve 146. The lead screw nut 144 is fixedly connected to the connector 151.

[0044] Driven by the motor 142, the lead screw 143 moves the lead screw nut 144, which in turn moves the amplitude indicator mechanism 15.

[0045] The telescopic slide rod 1596 includes an inner rod body 15961 fixedly connected to a wedge-shaped block 1595 at one end, an outer boss 15962 fixedly connected to the other end of the inner rod body 15961, an outer sleeve 15963 slidably sleeved on the outer periphery of the inner rod body 15961, and an inner ring platform 15964 fixedly connected to the inner periphery of the outer sleeve 15963 near one end of the inner rod body 15961. The outer sleeve 15963 is fixedly connected to the carrier plate 1598.

[0046] The clamping mechanism 13 includes a lower clamping block 131 fixedly connected to the base 11, a shaft 132 fixedly connected to the base 11 at one end, a plate 134 disposed on the lower clamping block 131, a bushing 133 fixedly connected to the plate 134, an upper clamping block 135 fixedly connected to the plate 134, a nut 136 fixedly connected to the plate 134, a screw 137 threadedly connected to the nut 136, and a knob 138 fixedly connected to the upper end of the screw 137. Rotating the knob 138 drives the screw 137 to rotate, thereby driving the nut 136 to move along its axial direction. The plate 134 and the upper clamping block 135 on it move along the axial direction of the screw 137. When the upper clamping block 135 approaches the lower clamping block 131, it can clamp the end of the piston rod 16 between them.

[0047] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A device for testing and calibrating the piston rod of a shock absorber, characterized in that, include: A base (11) and a crossbar (12) mounted on the base (11); A clamping mechanism (13) is mounted on a base (11) and is used to clamp and fix the piston rod (16). A lateral displacement mechanism (14) is mounted on a crossbeam (12); An amplitude indicator mechanism (15) is installed on a lateral displacement mechanism (14), which can drive the amplitude indicator mechanism (15) to move laterally. The amplitude indicating mechanism (15) includes a connector (151), a sliding sleeve (152) fixedly connected to the connector (151), a vibration probe (153) slidably connected to the sliding sleeve (152), a first spring (154) sleeved on the outer periphery of the vibration probe (153), a toggle rod (155) hinged to the connector (151), an extension rod (156) fixedly connected to the connector (151), a pen (157) mounted on the outer end of the extension rod (156), a writing board (158) set on the extension rod (156), and a sliding elastic platform (159) mounted on the extension rod (156). A writing board (158) is installed on the sex table (159). A ring body (1531) is fixedly connected to the vibration probe (153). One end of the first spring (154) abuts against the ring body (1531), and the other end of the first spring (154) abuts against the connector (151). The actuating rod (155) is equipped with a hinge part (1551). The hinge part (1551) is hinged to the connector (151). The hinge part (1551) divides the actuating rod (155) into a short side and a long side. The short side abuts against the upper end of the vibration probe (153), and the pen (157) is installed at the end of the long side. The amplitude indicator mechanism (15) is located directly above the piston rod (16), and the movement of the amplitude indicator mechanism (15) can indicate the surface flatness of the piston rod (16).

2. The device for testing and calibrating piston rods of a shock absorber as described in claim 1, characterized in that: The sliding elastic platform (159) includes a base plate (1591) fixedly connected to the extension rod (156), a slide groove (1592) disposed on the base plate (1591), a slot (1593) disposed at the end of the wedge-shaped slide groove (1592), a magnet (1594) fixedly connected to the slot (1593), a wedge-shaped block (1595) slidably connected in the wedge-shaped slide groove (1592), multiple telescopic slide rods (1596) with one end connected to the wedge-shaped block (1595), a second spring (1597) sleeved on the outer periphery of the telescopic slide rod (1596), and a carrier plate (1598) connected to the other end of the telescopic slide rod (1596). One end of the second spring (1597) abuts against the wedge-shaped block (1595), and the other end of the second spring (1597) abuts against the carrier plate (1598).

3. The device for testing and calibrating piston rods of a shock absorber as described in claim 2, characterized in that: The lateral displacement mechanism (14) includes a motor base (141) fixedly connected to the cross frame (12), a motor (142) fixedly connected to the motor base (141), a lead screw (143) connected to the motor (142) for transmission, a lead screw nut (144) threadedly connected to the lead screw (143), a guide sleeve (146) fixedly connected to the connector (151), and a guide shaft (145) slidably connected to the guide sleeve (146). The lead screw nut (144) is fixedly connected to the connector (151).

4. The device for straightening and testing piston rods of shock absorbers as described in claim 2, characterized in that: The telescopic slide rod (1596) includes an inner rod body (15961) fixedly connected to a wedge-shaped block (1595) at one end, an outer boss (15962) fixedly connected to the other end of the inner rod body (15961), an outer sleeve (15963) slidably sleeved on the outer periphery of the inner rod body (15961), and an inner ring platform (15964) fixedly connected to the inner periphery of the outer sleeve (15963) near one end of the inner rod body (15961). The outer sleeve (15963) is fixedly connected to the carrier plate (1598).

5. The device for straightening and testing piston rods of shock absorbers as described in claim 1, characterized in that: The clamping mechanism (13) includes a lower clamping block (131) fixedly connected to the base (11), a shaft (132) fixedly connected to the base (11) at one end, a plate (134) set on the lower clamping block (131), a bushing (133) fixedly connected to the plate (134), an upper clamping block (135) fixedly connected to the plate (134), a nut (136) fixedly connected to the plate (134), a screw (137) threadedly connected to the nut (136), and a knob (138) fixedly connected to the upper end of the screw (137).

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