CN112781762A - Shock absorber shows merit machine and centre gripping frock for merit machine - Google Patents
Shock absorber shows merit machine and centre gripping frock for merit machine Download PDFInfo
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- CN112781762A CN112781762A CN202011560586.9A CN202011560586A CN112781762A CN 112781762 A CN112781762 A CN 112781762A CN 202011560586 A CN202011560586 A CN 202011560586A CN 112781762 A CN112781762 A CN 112781762A
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- connecting cylinder
- sleeve
- shock absorber
- clamping tool
- clamping
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The application relates to a shock absorber shows merit machine and shows that centre gripping frock for merit machine, relate to the field that the shock absorber shows merit machine, a shock absorber shows that merit machine uses centre gripping frock, including sleeve, connecting cylinder, fastener and a plurality of grip block, the sleeve is coaxial to be located outside the connecting cylinder, and the sleeve is along the axial of connecting cylinder and connecting cylinder sliding connection, the fastener is used for fixing sleeve and connecting cylinder, the connecting cylinder lateral wall runs through and has seted up a plurality of guiding holes, the grip block with the guiding hole one-to-one sets up, the grip block is along the diametral and the guiding hole inner wall sliding connection of connecting cylinder, the grip block is kept away from the one side of connecting cylinder axis and is the wedge, it is the grafting end to set up the connecting end other end to set up the sleeve arbitrary end, the wedge is towards the side slope of keeping away from the; the utility model provides a bumper shock absorber shows merit machine, including the centre gripping frock. The method and the device have the effect of improving the accuracy of the measurement result.
Description
Technical Field
The application relates to the field of a shock absorber dynamometer machine, in particular to a shock absorber dynamometer machine and a clamping tool for the dynamometer machine.
Background
The shock absorber is often used for carrying out the shock attenuation to car seat, and in order to reduce the jolt of seat in the car goes, can inhale the shake spring in seat below, and when the road surface of unevenness, inhale the shake spring and can filter the vibrations when the car jolts, nevertheless inhale shake spring self still can have reciprocating motion, and the shock absorber is used for restraining to inhale the motion of shake spring. The damper dynamometer is used for performing dynamometer characteristics and durability fatigue tests on the damper.
In the related art, the shock absorber 1 comprises an oil cylinder 11, a piston plate 12, a stud 13 and a collar 14, wherein the piston plate 12 is slidably connected to the inner wall of the oil cylinder 11, the stud 13 is coaxially and fixedly connected to one end of the piston plate 12, which is far away from the oil cylinder 11, and the collar 14 is fixedly connected to one end of the oil cylinder 11, which is far away from the stud 13; the indicator 7 comprises a rack 71, a pushing seat 73, a hydraulic cylinder 72 and a testing seat 74, wherein the pushing seat 73 is connected with the rack 71 in a sliding manner, the hydraulic cylinder 72 is used for driving the pushing seat 73 to slide, and the testing seat 74 is fixedly connected with the rack 71; when the device is used, the shock absorber 1 is abutted between the test seat 74 and the abutting and pushing seat 73, the shock absorber 1 is driven to stretch by the abutting and pushing seat 73, and experimental data can be measured.
With respect to the related art in the above, the inventor believes that, since the shock absorber abuts between the test seat and the abutting seat, the shock absorber may slip between the test seat and the abutting seat during the test, resulting in a defect of reduced accuracy of the measurement result.
Disclosure of Invention
In order to improve the degree of accuracy of measuring result, this application provides a bumper shock absorber shows merit machine and shows centre gripping frock for merit machine.
First aspect, the application provides a bumper shock absorber shows centre gripping frock for power machine adopts following technical scheme:
the utility model provides a bumper shock absorber shows centre gripping frock for power machine, includes sleeve, connecting cylinder, fastener and a plurality of grip block, the coaxial cover of sleeve is located outside the connecting cylinder, just the sleeve along the axial of connecting cylinder with connecting cylinder sliding connection, the fastener be used for with sleeve and connecting cylinder are fixed, the connecting cylinder lateral wall runs through to run through and has seted up a plurality of guiding holes, the grip block with the guiding hole one-to-one sets up, the grip block along the diameter direction of connecting cylinder with guiding hole inner wall sliding connection, the grip block is kept away from the one side of connecting cylinder axis is the wedge, establishes sleeve arbitrary end is the link other end and is the grafting end, the wedge is kept away from the lopsidedness of connecting cylinder axis by link to grafting end one side orientation.
By adopting the technical scheme, when the shock absorber is used, the stud in the shock absorber is inserted into the connecting cylinder, the clamping blocks are abutted against the peripheral wall of the stud, the sleeve is pushed to slide along the direction from the insertion end to the connecting end, and when the sleeve slides, the clamping blocks are pushed to move towards one side of the axis of the connecting cylinder along the guide hole, so that the stud can be clamped; through setting up the centre gripping frock with the double-screw bolt clamp tightly, can be so that show the machine when the operation, play limiting displacement to the double-screw bolt by the centre gripping frock, the bumper shock absorber takes place to slide in the reducible test procedure to improve the accuracy of showing the quick-witted testing result of merit.
Optionally, an adjusting track is provided on the side wall of the sleeve, the adjusting track includes two clamping grooves and a connecting groove, a connecting area is formed between the clamping grooves along the axial direction of the sleeve, the connecting groove is provided in the connecting area, one end of the connecting groove is communicated with one of the clamping grooves, the fastener is fixedly connected with the connecting cylinder, and the fastener is located in the adjusting track.
By adopting the technical scheme, when the stud is not inserted into the connecting cylinder, the fastener is positioned in the clamping groove far away from the connecting end of the sleeve, and after the stud is inserted into the connecting cylinder, the sleeve slides along the adjusting track, so that the fastener is positioned in the clamping groove close to the connecting end of the sleeve, the sleeve and the clamping block can be abutted tightly, and the stud is fixed; through setting up the regulation track, the personnel of being convenient for slide the sleeve along the regulation track to the personnel of being convenient for are with the quick convenient adjustment to the clamping position of sleeve more.
Optionally, an arc-shaped groove is formed in the side wall, close to the axis of the connecting cylinder, of the clamping block, and the arc-shaped groove is used for being in contact with the stud.
Through adopting above-mentioned technical scheme, because the double-screw bolt is cylindrical, consequently set up arc wall and double-screw bolt contact, can increase the area of contact of double-screw bolt and grip block, can be by the grip block with more firm of double-screw bolt centre gripping.
Optionally, the inner wall of the arc-shaped groove is provided with threads, and the threads are used for being matched with the stud.
By adopting the technical scheme, when the stud is clamped by the clamping block, the thread is matched with the stud, so that the clamping block and the stud can be further clamped more firmly.
Optionally, the inner diameter of the sleeve is gradually increased from the connecting end to one side of the inserting end.
Through adopting above-mentioned technical scheme, establish the sleeve internal diameter into by the link to the end of pegging graft crescent, applicable in the grip block of different models, have higher commonality.
Optionally, the wedge surface is attached to the inner wall of the sleeve.
Through adopting above-mentioned technical scheme, with the laminating of wedge and sleeve inner wall, can increase wedge and telescopic area of contact to with the more firm of grip block centre gripping.
Optionally, still include hinge assemblies, hinge assemblies includes fixing base and sliding seat, the sliding seat with the fixing base is articulated, the sliding seat with connecting cylinder fixed connection.
Through adopting above-mentioned technical scheme, because the sliding seat is articulated with the fixing base, when consequently being connected double-screw bolt and connecting cylinder, can rotate the angle to the personnel's operation of being convenient for with the connecting cylinder to the personnel of being convenient for carry out the clamping operation.
Optionally, the movable seat and the connecting cylinder are detachably connected.
Through adopting above-mentioned technical scheme, establish movable seat and connecting cylinder into dismantling the connection, be convenient for change the connecting cylinder, the grip block etc. of different models to applicable bumper shock absorber in multiple model improves the commonality of centre gripping frock.
Optionally, the outer wall of the sleeve is provided with anti-skid lines.
Through adopting above-mentioned technical scheme, set up anti-skidding line at sleeve outer wall, the phenomenon of skidding appears when reducible promotion sleeve motion.
In a second aspect, the application provides a shock absorber indicator, which adopts the following technical scheme:
a shock absorber indicator comprising the clamping tool of any one of claims 1-9.
Through adopting above-mentioned technical scheme, set up the centre gripping frock on the indicator machine, can press from both sides the bumper shock absorber tight at the in-process of test, reduce the test in-process bumper shock absorber and take place the skew to improve measuring result's accuracy.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the clamping tool, the stud is clamped by the clamping blocks, so that the shock absorber can be reduced from sliding in the test process, and the accuracy of the measurement result can be improved;
2. the adjusting track is arranged to facilitate the movement of the sleeve pushed by a person;
3. the stud can be connected more firmly by arranging the thread.
Drawings
FIG. 1 is a schematic view of a shock absorber according to the related art of the present application;
FIG. 2 is a schematic diagram of a power indicating machine in the related art of the present application;
FIG. 3 is a schematic overall structure diagram of a clamping tool for a shock absorber dynamometer in the application;
FIG. 4 is a schematic cross-sectional view of a clamping fixture for a damper dynamometer in a clamped state according to the present disclosure;
FIG. 5 is a schematic cross-sectional structure view of a clamping tool for a damper dynamometer in a non-clamping state according to the present application;
fig. 6 is a schematic overall structure diagram of a shock absorber dynamometer according to the present application.
Description of reference numerals: 1. a shock absorber; 11. an oil cylinder; 12. a piston plate; 13. a stud; 14. a collar; 2. a sleeve; 21. anti-skid lines; 22. a connecting end; 23. a plug end; 24. adjusting the track; 241. a clamping groove; 242. connecting grooves; 3. a connecting cylinder; 31. a guide hole; 32. a screw; 4. a clamping block; 41. an arc-shaped slot; 411. screw teeth; 42. a wedge-shaped surface; 5. a fastener; 6. a hinge assembly; 61. a fixed seat; 611. a hinge slot; 612. a hinged column; 613. a second threaded hole; 614. carrying out top thread; 62. a movable seat; 621. a hinge hole; 622. a first threaded hole; 7. a power indicator; 71. a frame; 72. a hydraulic cylinder; 73. a pushing seat; 74. a test seat; 75. a display.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Referring to fig. 1, the shock absorber 1 includes an oil cylinder 11, a piston plate 12, a stud 13 and a collar 14, the piston plate 12 is slidably connected to an inner wall of the oil cylinder 11, the stud 13 is coaxially and fixedly connected to an end of the piston plate 12 away from the oil cylinder 11, and the collar 14 is fixedly connected to an end of the oil cylinder 11 away from the stud 13
The embodiment of the application discloses bumper shock absorber shows centre gripping frock for power machine. Referring to fig. 3, a clamping tool for a shock absorber dynamometer includes a sleeve 2, a connecting cylinder 3, two clamping blocks 4, a fastener 5 and a hinge assembly 6.
Referring to fig. 3, the outer wall of the sleeve 2 is cylindrical, the outer wall of the sleeve 2 is provided with anti-skid lines 21, the inner wall of the sleeve 2 is conical, any end of the sleeve 2 is a connecting end 22, the other end of the sleeve is an inserting end 23, and the inner diameter of the sleeve 2 is gradually reduced from the inserting end 23 to the connecting end 22. The side wall of the sleeve 2 is provided with an adjusting track 24, and the adjusting track 24 is Z-shaped; the adjusting track 24 comprises two clamping grooves 241 and a connecting groove 242, the clamping grooves 241 are arranged along the circumferential direction of the sleeve 2, the two clamping grooves 241 are arranged in parallel, the clamping groove 241 close to the connecting end 22 of the sleeve 2 is a first clamping groove, and the clamping groove 241 far away from the connecting end 22 of the sleeve 2 is a second clamping groove; a connecting area is formed between the two clamping grooves 241 along the axial direction of the sleeve 2, the connecting groove 242 is arranged in the connecting area, the connecting groove 242 is arranged along the axial direction of the sleeve 2, and one end of the connecting groove 242 is communicated with one clamping groove 241.
Referring to fig. 4 and 5, the connecting cylinder 3 is a hollow cylinder, two guide holes 31 are formed in the side wall of the connecting cylinder 3 in a penetrating mode, the guide holes 31 are evenly distributed along the circumferential direction of the connecting cylinder 3 at intervals, the clamping blocks are connected into the guide holes 31 in a one-to-one sliding mode, the clamping blocks 4 are overlapped with the radius of the connecting cylinder 3 in the sliding direction, and one end of each clamping block 4 extends into the connecting cylinder 3 and the other end of each clamping block is located outside the connecting cylinder 3. The side wall of the clamping block 4 close to the axis of the connecting cylinder 3 is provided with an arc-shaped groove 41, the axis of the arc-shaped groove 41 is overlapped with the axis of the connecting cylinder 3, the inner wall of the arc-shaped groove 41 is provided with a thread 411, and the thread 411 is used for being matched with the stud 13; the one side that the connecting cylinder 3 axis was kept away from to grip block 4 is wedge-face 42, and wedge-face 42 is kept away from the one side slope of connecting cylinder 3 axis by link 22 to 23 one side orientation of pegging graft, and wedge-face 42 and the laminating of sleeve 2 inner wall, and wedge-face 42 is the arc that matches with sleeve 2 inner wall along connecting cylinder 3 circumference.
Referring to fig. 3 and 5, in the present embodiment, the fastening member 5 is a bolt, one end of the fastening member 5 is welded to the outer wall of the connecting cylinder 3, and the fastening member 5 is disposed perpendicular to the axis of the connecting cylinder 3. Outside the connecting cylinder 3 was located to the coaxial cover of sleeve 2, and sleeve 2 along 3 axial of connecting cylinder and 3 sliding connection of connecting cylinder, 5 external diameters of fastener equal with the width of adjusting track 24, stretch out to the sleeve 2 outsides behind fastener 5 passing adjusting track 24. In a non-clamping state, the fastener 5 is positioned in the second clamping groove, at the moment, one end of the connecting cylinder 3 extends out of the insertion end 23 of the sleeve 2, and one part of the clamping block 4 is positioned in the sleeve 2 and the other part of the clamping block extends out of the insertion end 23 of the sleeve 2; under the clamping state, when fastener 5 was located first joint inslot, connecting cylinder 3 and grip block 4 all received in sleeve 2, and the wedge face 42 and the laminating of sleeve 2 inner wall, the laminating of connecting cylinder 3 outer wall and sleeve 2's the 22 inner walls of link of clamp block.
Referring to fig. 3 and 4, the hinge assembly 6 includes a fixed seat 61 and a movable seat 62, a hinge groove 611 is formed in a side wall of the fixed seat 61, a hinge post 612 is welded to an inner wall of the hinge groove 611, a hinge hole 621 is formed in a side wall of the movable seat 62 in a penetrating manner, and the hinge post 612 is disposed in the hinge hole 621; the movable seat 62 is detachably connected with the connecting cylinder 3, a screw 32 is coaxially welded on one side of the connecting cylinder 3 close to the connecting end 22 of the sleeve 2, a first threaded hole 622 is formed in one end, far away from the hinge hole 621, of the movable seat 62, and the screw 32 is in threaded connection with the first threaded hole 622; a second threaded hole 613 is formed in the side wall of the fixed seat 61, a jackscrew 614 is connected to the second threaded hole 613 through an internal thread, and the jackscrew 614 passes through the second threaded hole 613 and abuts against the side wall of the movable seat 62.
The implementation principle of the clamping tool for the damper dynamometer in the embodiment of the application is as follows: during operation, the sleeve 2 is slid, so that the fastener 5 is positioned in the second clamping groove, and the clamping tool is in a non-clamping state; during connection, the stud 13 is inserted into the connecting cylinder 3, the sleeve 2 is pushed to slide along the direction from the connecting end 22 to the inserting end 23 until the fastener 5 is positioned in the first clamping groove, in the sliding process of the sleeve 2, the inner wall of the sleeve 2 pushes the clamping blocks 4 to move towards the stud 13, and when the fastener 5 is positioned in the first clamping groove, the two clamping blocks 4 clamp the stud 13; when the stud 13 is separated from the clamping tool, the sleeve 2 is slid, so that the fastener 5 is positioned in the second clamping groove, and the stud 13 can be pulled out of the connecting cylinder 3.
The embodiment of the application also discloses a shock absorber indicator. Referring to fig. 6, the damper dynamometer includes a frame 71, a hydraulic cylinder 72, a pushing seat 73, a testing seat 74, a clamping tool and a display 75; the cylinder body of the hydraulic cylinder 72 is fixedly connected with the frame 71, the hydraulic cylinder 72 is arranged along the vertical direction, the hydraulic cylinder 72 is arranged below the abutting and pushing seat 73, and the piston rod of the hydraulic cylinder 72 is fixedly connected with the abutting and pushing seat 73 through a screw; the test seat 74 is arranged right above the pushing seat 73, the test seat 74 is fixedly connected with the rack 71 through screws, and the fixed seat 61 in the clamping tool is fixedly connected with the bottom wall of the test seat 74 through screws; the display 75 is electrically connected to the test socket 74.
The implementation principle of the damper dynamometer machine in the embodiment of the application is as follows: during operation, the stud 13 of the shock absorber 1 is fixed by the clamping tool, the shock absorber 1 is rotated to be in a vertical state, the hydraulic cylinder 72 drives the abutting seat to move upwards, and data are fed back to the display 75 by the testing seat 74 to be displayed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a bumper shock absorber shows centre gripping frock for power machine which characterized in that: including sleeve (2), connecting cylinder (3), fastener (5) and a plurality of grip block (4), sleeve (2) coaxial cover is located outside connecting cylinder (3), just sleeve (2) along the axial of connecting cylinder (3) with connecting cylinder (3) sliding connection, fastener (5) are used for with sleeve (2) and connecting cylinder (3) are fixed, connecting cylinder (3) lateral wall runs through and has seted up a plurality of guiding holes (31), grip block (4) with guiding hole (31) one-to-one sets up, grip block (4) along the diameter direction of connecting cylinder (3) with guiding hole (31) inner wall sliding connection, grip block (4) are kept away from the one side of connecting cylinder (3) axis is wedge (42), establish sleeve (2) arbitrary end is the link (22) other end and is grafting end (23), the wedge-shaped surface (42) inclines towards one side far away from the axis of the connecting cylinder (3) from the connecting end (22) to one side of the inserting end (23).
2. The clamping tool for the shock absorber indicator as claimed in claim 1, wherein the clamping tool is characterized in that: adjusting track (24) have been seted up to sleeve (2) lateral wall, adjusting track (24) including two joint grooves (241) and a spread groove (242), two be formed with the joining region along sleeve (2) axial between joint groove (241), spread groove (242) are seted up in the joining region, spread groove (242) one end and one joint groove (241) intercommunication, fastener (5) with connecting cylinder (3) fixed connection, fastener (5) are located adjust in track (24).
3. The clamping tool for the shock absorber indicator as claimed in claim 1, wherein the clamping tool is characterized in that: the clamping block (4) is close to the side wall of the axis of the connecting cylinder (3) and provided with an arc-shaped groove (41), and the arc-shaped groove (41) is used for being in contact with the stud (13).
4. The clamping tool for the shock absorber indicator as claimed in claim 3, wherein the clamping tool is characterized in that: the inner wall of the arc-shaped groove (41) is provided with a thread (411), and the thread (411) is used for being matched with the stud (13).
5. The clamping tool for the shock absorber indicator as claimed in claim 1, wherein the clamping tool is characterized in that: the inner diameter of the sleeve (2) is gradually increased from the connecting end (22) to one side of the inserting end (23).
6. The clamping tool for the shock absorber indicator as claimed in claim 1, wherein the clamping tool is characterized in that: the wedge-shaped surface (42) is attached to the inner wall of the sleeve (2).
7. The clamping tool for the shock absorber indicator as claimed in claim 1, wherein the clamping tool is characterized in that: still include hinge assembly (6), hinge assembly (6) include fixing base (61) and sliding seat (62), sliding seat (62) with fixing base (61) are articulated, sliding seat (62) with connecting cylinder (3) fixed connection.
8. The clamping tool for the shock absorber indicator as claimed in claim 7, wherein the clamping tool comprises: the movable seat (62) is detachably connected with the connecting cylinder (3).
9. The clamping tool for the shock absorber indicator as claimed in claim 1, wherein the clamping tool is characterized in that: the outer wall of the sleeve (2) is provided with anti-skid grains (21).
10. A shock absorber indicator comprising the clamping tool of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011560586.9A CN112781762A (en) | 2020-12-25 | 2020-12-25 | Shock absorber shows merit machine and centre gripping frock for merit machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011560586.9A CN112781762A (en) | 2020-12-25 | 2020-12-25 | Shock absorber shows merit machine and centre gripping frock for merit machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112781762A true CN112781762A (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011560586.9A Pending CN112781762A (en) | 2020-12-25 | 2020-12-25 | Shock absorber shows merit machine and centre gripping frock for merit machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112781762A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101007A (en) * | 2013-02-18 | 2013-05-15 | 成都九鼎科技(集团)有限公司 | Damper indicator diagram test fixture |
| CN103616185A (en) * | 2013-12-06 | 2014-03-05 | 江苏科技大学 | Encoder-free motorcycle damper dynamometer testing device and method |
| CN105082013A (en) * | 2015-08-31 | 2015-11-25 | 安徽江淮汽车股份有限公司 | Gauge and workpiece clamping device thereof |
| CN105313046A (en) * | 2015-11-26 | 2016-02-10 | 重庆耀勇减震器有限公司 | Vibration reducer indicator detecting and clamping device |
-
2020
- 2020-12-25 CN CN202011560586.9A patent/CN112781762A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101007A (en) * | 2013-02-18 | 2013-05-15 | 成都九鼎科技(集团)有限公司 | Damper indicator diagram test fixture |
| CN103616185A (en) * | 2013-12-06 | 2014-03-05 | 江苏科技大学 | Encoder-free motorcycle damper dynamometer testing device and method |
| CN105082013A (en) * | 2015-08-31 | 2015-11-25 | 安徽江淮汽车股份有限公司 | Gauge and workpiece clamping device thereof |
| CN105313046A (en) * | 2015-11-26 | 2016-02-10 | 重庆耀勇减震器有限公司 | Vibration reducer indicator detecting and clamping device |
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Application publication date: 20210511 |
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