CN209537997U - Reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid - Google Patents
Reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid Download PDFInfo
- Publication number
- CN209537997U CN209537997U CN201920131340.6U CN201920131340U CN209537997U CN 209537997 U CN209537997 U CN 209537997U CN 201920131340 U CN201920131340 U CN 201920131340U CN 209537997 U CN209537997 U CN 209537997U
- Authority
- CN
- China
- Prior art keywords
- fluid
- detection system
- road surface
- flaw detection
- cam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a kind of reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid, it is intended to solve the problems, such as the reciprocating vehicle-mounted road surface flaw detection system frequency test based on ER fluid.Reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid is mainly made of belt pulley (1), cam (2), cam connecting shaft (3), bearing block (4), detection plate (5), spring (6), baffle (7), sliding rail (8), truckle (9), checkbox (10), motor (11), workbench (12), ER fluid (13), electrode bolts (14) and sliding block (15).System provide it is a kind of occupy little space, structure is simple, testing accuracy is high, it is easy to operate, be easily installed, cost is relatively low, the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid of reliable performance.
Description
Technical field
The utility model relates to a kind of ancillary equipments of the detection device in Vehicle Detection field, more specifically, it is one
Reciprocating vehicle-mounted road surface flaw detection system frequency test instrument of the kind based on ER fluid.
Background technique
With sharply increasing for the volume of traffic, overloading is also increasing, and the destruction of highway pavement is also increasingly severe, and
Pavement cracking is the Common Diseases of highway pavement, it is therefore desirable to which vehicle-mounted road surface flaw detection system road pavement crackle is detected.
The working frequency of vehicle-mounted road surface flaw detection system is different, and the accuracy of road pavement crack detection results also has significant impact.It is logical
For often, the detection frequency of vehicle-mounted road surface flaw detection system is higher, and the accuracy of crack detection is higher, in order to guarantee that road surface is split
The accuracy of line detection, needs to test to vehicle-mounted road surface flaw detection system frequency by verifying attachment.Therefore, one is designed
Kind is for examining the verifying attachment of vehicle-mounted road surface flaw detection system frequency particularly significant.
Summary of the invention
The utility model is adopted for cannot achieve the status tested to vehicle-mounted road surface flaw detection system frequency at present
With one kind, cost is relatively low, structure is simple and convenient to operate, is easily installed, reliable performance, versatile verifying attachment.Based on electricity
The reciprocating vehicle-mounted road surface flaw detection system frequency test instrument of rheology liquid changes road by the vibration frequency variation of inspection panel
The frequency that facial cleft line occurs is split to realize and detect road surface under the different crackle frequencies of occurrences to vehicle-mounted road surface flaw detection system
The result accuracy of line is tested, and the detection frequency of vehicle-mounted road surface flaw detection system is examined with this.
Refering to fig. 1 to Figure 17, it is achieved in order to solve the above technical problems, the utility model adopts the following technical solution.
Reciprocating vehicle-mounted road surface flaw detection system frequency test instrument provided by the utility model based on ER fluid includes skin
Belt wheel, cam, cam connecting shaft, bearing block, detection plate, spring, baffle, sliding rail, truckle, checkbox, motor, workbench,
ER fluid, electrode bolts and sliding block.
Two sliding rails are respectively welded at the two sides of the higher work top of workbench, and the through slot of four sliding blocks is set with two
It is slidably connected on a sliding rail with the dynamic cooperation of two sliding rails, two electrode bolts pass through two spiral shells among insulation spacer and checkbox
Pit screw thread is fixedly connected, and the lower surface of checkbox is placed on the upper surface of four sliding blocks, and bolt passes through the circular hole on checkbox
It is screwed and connect with the threaded hole of four sliding blocks, two groups of truckles are individually positioned in the elongated slot on checkbox both sides, truckle
The dynamic cooperation in U-shaped hole of circular shaft and checkbox side plate roll connection, baffle is vertically disposed in bench top and workbench welds
Connection, inspection panel are placed on the top surface of two groups of truckles, the bolt of both ends of the spring respectively with the threaded hole on inspection panel and baffle
Be screwed connection, and cam connecting shaft passes through the circular hole and cam tight fit of cam, and bolt passes through the middle part boss side surfaces of cam
Threaded hole be screwed and connect with the threaded hole in cam connecting shaft, the side of cam and contacting by side for checkbox, two
A bearing is closely sleeved on the both ends of cam connecting shaft, the inner ring end face of two bearings and the stepped shaft end of cam connecting shaft respectively
Plane-plane contact, the cycle surface of two bearings and the ladder hole end surface face contact of two bearing blocks, the inner hole point of two bearing blocks
The outside of two bearings it is not sleeved on closely, bolt is each passed through the circular hole of two bearing block bottoms and the threaded hole spiral shell of workbench
Line is fixedly connected, and two belt pulleys are set on the output shaft for having keyway one end and motor of cam connecting shaft, two skins
Belt wheel is keyed with cam connecting shaft and motor respectively, two belt pulley end face keeping parallelisms, and two belt pulleys pass through two root skins
The threaded hole of band connection, circular hole and workbench that bolt passes through motor bottom is screwed connection, and one end of two conducting wires is distinguished
It is fixedly connected with the small circle ring of two electrode bolts, the other end of two conducting wires connects with the anode and cathode of DC power supply respectively
It connects, ER fluid is filled in inside checkbox.
Belt pulley described in technical solution is the steel belt wheel that inner hole is machined with keyway.
Cam described in technical solution is the steel cam that middle part is machined with round boss, and middle part boss center is machined with
Circular hole and keyway, middle part boss side surfaces are machined with one group of tapped through hole.
Cam connecting shaft described in technical solution is the steel step type circular shaft that middle part is machined with one group of threaded hole, cam
One end of the connecting shaft is provided with keyway.
Bearing block described in technical solution is rectangular steel plates, the triangular steel plate at middle part and the cylinder at the top weldering of bottom
Part made of connecing, the rectangular steel plates of bottom are machined with circular hole, and the triangular steel plate side at middle part is welded with triangular steel plate, top
Stepped hole is machined in the cylinder in portion.
Inspection panel described in technical solution is that one piece of surface uniformly processes the rectangular steel plates of one group of slightness hole and three pieces
The small rectangular steel plates for being machined with multiple square through holes are welded, and inspection panel side is threaded hole.
Spring described in technical solution is the steel spring that both ends are welded with bolt.
Baffle described in technical solution is the steel Rectangular Parts for being threaded hole.
Sliding rail described in technical solution is steel thin and long units.
Truckle described in technical solution is wheel shape part made of the thin circular shaft of steel at middle part and the rubber of circumference.
Checkbox described in technical solution is that steel plate welds rectangular square box, and checkbox is machined with one group of circular hole and one group
Threaded hole, two side plates of checkbox are vertically respectively machined with an elongated slot, and two side plates of checkbox are respectively machined with one group of U
Type hole.
Motor described in technical solution is alternating current generator.
Workbench described in technical solution is step type work made of two pieces of rectangular steel plates and six roots of sensation square steel pipe welded
Make platform, table surface is machined with one group of threaded hole, and work top processes an elongated slot.
ER fluid described in technical solution is a kind of suspension that liquid-solid transformation can occur under electric field action
Liquid.
Electrode bolts described in technical solution are the Steel Bolt that top is welded with small circle ring.
Sliding block described in technical solution is the cuboid part that bottom is machined with through slot.
The beneficial effects of the utility model are:
(1) the utility model is by the reversible transformation of the solid-liquid state of ER fluid, control inspection panel and checkbox it
Between connection with separate, when ER fluid is solid-state, motor drive checkbox while vibrate back and forth inspection panel also with inspection
Box vibrates back and forth, and the power supply at checkbox is disconnected after vibration frequency reaches a certain level, makes ER fluid gradually by solid-state
Change to liquid, is also gradually disengaged between inspection panel and checkbox, after ER fluid becomes liquid completely, inspection panel independently shakes
It is dynamic, until vibration terminates.After checkbox power supply disconnects, the variation of inspection panel vibration frequency, the elongate grooves on inspection panel are in vehicle
The frequency of occurrences carried in pavement distress survey system also changes correspondingly, and vibration frequency is higher, and the frequency of occurrences is faster, realizes vehicle-mounted
Pavement distress survey system tests to the road surface crackle of the different crackle frequencies of occurrences.The verifying attachment structure is simple, operation
It is convenient.Realize the detection to vehicle-mounted road surface flaw detection system frequency.
(2) major part of the utility model is processed using standard steel section, firstly, standard steel section yield is big, it is mechanical
Manufacturing procedure is few, lower production costs；Secondly, there is certain intensity using standard steel section, it can be constant in long-term use
Shape, it is ensured that the precision of verifying attachment.
(3) the utility model is using the company between the solid-liquid state reversible transformation control test plate and checkbox of ER fluid
It connects and separates, since ER fluid is relatively mitigated by the process that solid-state becomes liquid, the time of vibration of inspection panel is lengthened, frequency decline
Slowly, the result that verifying attachment is examined is more accurate, while the impact between each part also greatly reduces, and the abrasion of part is also therefore big
It is big to reduce, extend the service life of each part.
Detailed description of the invention
Fig. 1 is the axonometric drawing of the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid；
Fig. 2 is the cam 2 of the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid, cam company
The partial sectional view of spindle 3 and bearing block 4；
Fig. 3 is spring 6, baffle in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid
7, the partial sectional view of sliding rail 8, checkbox 10 and ER fluid 13；
Fig. 4 is 9 He of truckle in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid
The partial sectional view of checkbox 10；
Fig. 5 is the belt pulley 1 in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid
Axonometric drawing；
Fig. 6 is that the axis of cam 2 in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid is surveyed
Figure；
Fig. 7 is cam connecting shaft 3 in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid
Axonometric drawing；
Fig. 8 is the axis of the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument bottom bracket 4 based on ER fluid
Mapping；
Fig. 9 is the axis of inspection panel 5 in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid
Mapping；
Figure 10 is that the axis of spring 6 in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid is surveyed
Figure；
Figure 11 is that the axis of baffle 7 in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid is surveyed
Figure；
Figure 12 is sliding rail 8 and sliding block in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid
15 axonometric drawing；
Figure 13 is the axis of truckle 9 in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid
Mapping；
Figure 14 is checkbox 10 in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid
Axonometric drawing；
Figure 15 is the axis of motor 11 in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid
Mapping；
Figure 16 is workbench 12 in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid
Axonometric drawing；
Figure 17 is electrode bolts 14 in the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid
Axonometric drawing；
In figure: 1. belt pulleys, 2. cams, 3. cam connecting shafts, 4. bearing blocks, 5. detection plates, 6. springs, 7. baffles, 8.
Sliding rail, 9. truckles, 10. detection boxes, 11. motors, 12. workbench, 13. ER fluids, 14 electrode bolts, 15 sliding blocks.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Refering to fig. 1 to Figure 17, the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid includes
There are belt pulley 1, cam 2, cam connecting shaft 3, bearing block 4, detection plate 5, spring 6, baffle 7, sliding rail 8, truckle 9, checkbox
10, motor 11, workbench 12, ER fluid 13, electrode bolts 14 and sliding block 15.
Workbench 12 is step type workbench made of two pieces of rectangular steel plates and six roots of sensation square steel pipe welded, table surface
It is machined with one group of threaded hole, work top processes an elongated slot, and sliding rail 8 is steel thin and long units, and sliding block 15 is bottom processing
There is the cuboid part of through slot, two sliding rails 8 are respectively welded at the two sides of the higher work top of workbench 12, four sliding blocks 15
Through slot be set on two sliding rails 8 and be slidably connected with the dynamic cooperation of two sliding rails 8, electrode bolts 14 are that top is welded with roundlet
The Steel Bolt of ring, checkbox 10 are that steel plate welds rectangular square box, and checkbox 10 is machined with one group of circular hole and one group of threaded hole,
Two side plates of checkbox 10 are vertically respectively machined with an elongated slot, two side plates of checkbox 10 be respectively machined with one group it is U-shaped
Hole, two threaded holes that two electrode bolts 14 pass through 10 centre of insulation spacer and checkbox are screwed connection, checkbox 10
Lower surface be placed on the upper surfaces of four sliding blocks 15, bolt passes through the threaded hole of circular hole and four sliding blocks 15 on checkbox 10
Be screwed connection, and truckle 9 is wheel shape part made of the thin circular shaft of steel at middle part and the rubber of circumference, two groups of truckles
9 are individually positioned in the elongated slot on 10 both sides of checkbox, and the dynamic cooperation of the circular shaft of truckle 9 and the U-shaped hole of 10 side plate of checkbox rolls
Connection, baffle 7 is the steel Rectangular Parts for being threaded hole, and baffle 7 is vertically disposed in 12 top surface of workbench and workbench 12
Be welded to connect, inspection panel 5 be one piece of surface uniformly process the rectangular steel plates of one group of slightness hole and three pieces be machined with it is multiple rectangular
The small rectangular steel plates of through-hole are welded, and 5 side of inspection panel is threaded hole, and inspection panel 5 is placed on the top of two groups of truckles 9
Face, spring 6 are that both ends are welded with the steel spring of bolt, the bolt at 6 both ends of spring respectively with the spiral shell on inspection panel 5 and baffle 7
Pit screw thread is fixedly connected, and cam 2 is that middle part is machined with the steel cam of round boss, middle part boss center be machined with circular hole and
Keyway, middle part boss side surfaces are machined with one group of tapped through hole, and cam connecting shaft 3 is the steel rank that middle part is machined with one group of threaded hole
Ladder type circular shaft, 3 one end of cam connecting shaft are provided with keyway, and cam connecting shaft 3 passes through the circular hole and 2 tight fit of cam of cam 2, bolt
It is screwed and connect with the threaded hole in cam connecting shaft 3 across the threaded hole of the middle part boss side surfaces of cam 2, the side of cam 2
Face is contacted by side with checkbox 10, and bearing block 4 is the cylinder of the rectangular steel plates of bottom, the triangular steel plate at middle part and top
The part being welded, the rectangular steel plates of bottom are machined with circular hole, and the triangular steel plate side at middle part is welded with triangular steel plate,
Be machined with stepped hole in the cylinder at top, two bearings are closely sleeved on the both ends of cam connecting shaft 3 respectively, two bearings it is interior
Enclose the stepped shaft end plane-plane contact of end face and cam connecting shaft 3, the cycle surface of two bearings and the stepped hole of two bearing blocks 4
End face face contact, the inner hole of two bearing blocks 4 are closely sleeved on the outside of two bearings respectively, and bolt is each passed through two bearings
The circular hole of 4 bottoms of seat is screwed with the threaded hole of workbench 12 to be connect, and belt pulley 1 is the steel belt that inner hole is machined with keyway
Wheel, motor 11 are alternating current generator, and what two belt pulleys 1 were set in cam connecting shaft 3 has the defeated of keyway one end and motor 11
On shaft, two belt pulleys 1 are keyed with cam connecting shaft 3 and motor 11 respectively, two 1 end face keeping parallelisms of belt pulley, and two
By two root skin band connections, the threaded hole that bolt passes through the circular hole and workbench 12 of 11 bottom of motor is screwed a belt pulley 1
Connection, one end of two conducting wires are fixedly connected with the small circle ring of two electrode bolts 14 respectively, the other end difference of two conducting wires
It is connect with the anode and cathode of DC power supply, ER fluid 13 can occur what liquid-solid changed to be a kind of under electric field action
Suspension, ER fluid 13 are filled in inside checkbox 10.
The application method of reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid:
Reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid is placed on level ground.
Electrode bolts are packed into the threaded hole of checkbox, is poured into after ER fluid and is covered inspection panel and connect DC power supply.Become by electric current
Slip rate between the reversible transformation control test plate and checkbox of the solid-liquid state of liquid, when ER fluid is solid-state, motor
Inspection panel is also vibrated with checkbox back and forth while vibration back and forth by cam driven checkbox, when vibration frequency reaches regulation frequency
The power supply at checkbox is disconnected after rate, makes ER fluid gradually by solid state into liquid state, between inspection panel and checkbox
It is gradually disengaged, after ER fluid becomes liquid, inspection panel Independent Vibration, until vibration terminates.After checkbox power supply disconnects, examine
The frequency of occurrences of the generation variation from high to low of panel vibration frequency, the strip-shaped hole on inspection panel also changes correspondingly, vibration frequency
Higher, the strip-shaped hole frequency of occurrences is faster, is disconnected to dwell time section to inspection panel power supply using vehicle-mounted road surface flaw detection system
It is detected, obtains the topographical information of the crackle under different frequency, to examine the detection frequency of vehicle-mounted road surface flaw detection system
Rate.
Claims (10)
1. a kind of reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid, which is characterized in that described
The reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid include belt pulley (1), cam (2),
Cam connecting shaft (3), bearing block (4), inspection panel (5), spring (6), baffle (7), sliding rail (8), truckle (9), checkbox
(10), motor (11), workbench (12), ER fluid (13), electrode bolts (14) and sliding block (15)；
Two sliding rails (8) are respectively welded at the two sides of the higher work top of workbench (12), the through slot point of four sliding blocks (15)
Tao Zhuan not be slidably connected on two sliding rails (8) with the dynamic cooperation of two sliding rails (8), two electrode bolts (14) pass through insulation spacer with
Two intermediate threaded holes of checkbox (10) are screwed connection, and the lower surface of checkbox (10) is placed on four sliding blocks (15)
Upper surface, the circular hole that bolt passes through on checkbox (10) is screwed with the threaded hole of four sliding blocks (15) to be connect, two groups of small cunnings
Wheel (9) is individually positioned in the elongated slot on checkbox (10) both sides, the circular shaft of truckle (9) and the U-shaped hole of checkbox (10) side plate
Dynamic cooperation rolls connection, and baffle (7) is vertically disposed in workbench (12) top surface and workbench (12) are welded to connect, inspection panel (5)
Be placed on the top surface of two groups of truckles (9), the bolt at spring (6) both ends respectively with the threaded hole on inspection panel (5) and baffle (7)
Be screwed connection, and cam connecting shaft (3) passes through the circular hole and cam (2) tight fit of cam (2), and bolt passes through cam (2)
The threaded hole of middle part boss side surfaces is screwed with the threaded hole on cam connecting shaft (3) and connect, the side of cam (2) and inspection
Box (10) contact by side, and two bearings are closely sleeved on the both ends of cam connecting shaft (3), the inner ring end of two bearings respectively
The stepped shaft end plane-plane contact in face and cam connecting shaft (3), the cycle surface of two bearings and the stepped hole of two bearing blocks (4)
End face face contact, the inner hole of two bearing blocks (4) are closely sleeved on the outside of two bearings respectively, and bolt is each passed through two axis
The circular hole for holding seat (4) bottom is screwed with the threaded hole of workbench (12) to be connect, and two belt pulleys (1) are set in cam
On the output shaft for having keyway one end and motor (11) of connecting shaft (3), two belt pulleys (1) respectively with cam connecting shaft (3) and
Motor (11) key connection, two belt pulley (1) end face keeping parallelisms, two belt pulleys (1) are worn by two root skin band connections, bolt
The circular hole for crossing motor (11) bottom is screwed with the threaded hole of workbench (12) to be connect, one end of two conducting wires respectively with two
The small circle ring of electrode bolts (14) is fixedly connected, and the other end of two conducting wires is connect with the anode and cathode of DC power supply respectively,
It is internal that ER fluid (13) is filled in checkbox (10).
2. the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument described in accordance with the claim 1 based on ER fluid,
It is characterized in that the cam (2) is the steel cam that middle part is machined with round boss, middle part boss center is machined with circular hole
And keyway, middle part boss side surfaces are machined with one group of tapped through hole.
3. the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument described in accordance with the claim 1 based on ER fluid,
It is characterized in that the cam connecting shaft (3) is the steel step type circular shaft that middle part is machined with one group of threaded hole, cam connection
Axis (3) one end is provided with keyway.
4. the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument described in accordance with the claim 1 based on ER fluid,
It is characterized in that the inspection panel (5) is that one piece of surface uniformly processes the rectangular steel plates of one group of slightness hole and three pieces are machined with
The small rectangular steel plates of multiple square through holes are welded, and inspection panel (5) side is threaded hole.
5. the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument described in accordance with the claim 1 based on ER fluid,
It is characterized in that the spring (6) is the steel spring that both ends are welded with bolt.
6. the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument described in accordance with the claim 1 based on ER fluid,
It is characterized in that the truckle (9) is wheel shape part made of the thin circular shaft of steel at middle part and the rubber of circumference.
7. the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument described in accordance with the claim 1 based on ER fluid,
It is characterized in that the checkbox (10) is that steel plate welds rectangular square box, checkbox (10) is machined with one group of circular hole and one group
Threaded hole, two side plates of checkbox (10) are vertically respectively machined with an elongated slot, and two side plates of checkbox (10) respectively add
Work has one group of U-shaped hole.
8. the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument described in accordance with the claim 1 based on ER fluid,
It is characterized in that the workbench (12) is step type workbench made of two pieces of rectangular steel plates and six roots of sensation square steel pipe welded,
Workbench (12) surface is machined with one group of threaded hole, and workbench (12) surface processes an elongated slot.
9. the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument described in accordance with the claim 1 based on ER fluid,
It is characterized in that the ER fluid (13) is a kind of suspension that liquid-solid transformation can occur under electric field action.
10. the reciprocating vehicle-mounted road surface flaw detection system frequency test instrument described in accordance with the claim 1 based on ER fluid,
It is characterized in that the electrode bolts (14) are the Steel Bolt that top is welded with small circle ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920131340.6U CN209537997U (en) | 2019-01-25 | 2019-01-25 | Reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920131340.6U CN209537997U (en) | 2019-01-25 | 2019-01-25 | Reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209537997U true CN209537997U (en) | 2019-10-25 |
Family
ID=68271590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920131340.6U Expired - Fee Related CN209537997U (en) | 2019-01-25 | 2019-01-25 | Reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209537997U (en) |
-
2019
- 2019-01-25 CN CN201920131340.6U patent/CN209537997U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103278411B (en) | Ultrasonic vibration lower peripheral surface contact-type frictional characteristic test device | |
| CN109537420A (en) | Reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid | |
| CN101236148B (en) | Rotary bending fatigue tester | |
| CN202614529U (en) | Noise measuring device for rolling bearing | |
| CN203299067U (en) | Spherical contact-type frictional characteristic testing device under ultrasonic vibration | |
| CN209537997U (en) | Reciprocating vehicle-mounted road surface flaw detection system frequency test instrument based on ER fluid | |
| CN105403418A (en) | Motor train unit shaft end grounding apparatus wear test bench | |
| CN111562518B (en) | System and method for detecting stability of vehicle-mounted power supply of electric vehicle | |
| CN104359671A (en) | Testing device for ball eye flexural vibration fatigue characteristic in power transmission line | |
| CN106840928A (en) | Wind electricity blade fatigue loading experimental rig | |
| CN1731140A (en) | Measurement system for rheological property of electrorheological fluids (ERF) | |
| CN110983025A (en) | High-frequency vibration aging system and method for eliminating residual stress of small-size component | |
| CN108907948A (en) | Burr work station is repaired automatically by a kind of engine cylinder cover robot | |
| CN109612864B (en) | Sliding friction fatigue test device for rotary bending fatigue machine | |
| CN111458016A (en) | Method for rapidly detecting vibration of drive axle assembly | |
| CN205719786U (en) | A kind of weld strength detection device | |
| CN108956280B (en) | Automatic test equipment for hardness of engine cylinder block | |
| CN105115707A (en) | Testing device and testing method for dynamic characteristic of joint curved surface faying surface | |
| CN207066314U (en) | A kind of diesel locomotive rolling bearing radial clearance measurement apparatus | |
| CN103048380A (en) | Mud pump air case scanning and detecting device based on magnetic memory effect | |
| CN111037379A (en) | Polishing equipment for inner wall of pressure container | |
| CN203817843U (en) | Rotary table tool for processing oil sump | |
| CN215678682U (en) | Electric bicycle lithium ion battery test fixture | |
| CN105115845A (en) | Material shearing impact wear tester and testing method thereof | |
| CA3000645C (en) | Test system and method for road surface energy harvesting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20220125 |