CN207163703U - A kind of swing dynamic load tester - Google Patents
A kind of swing dynamic load tester Download PDFInfo
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- CN207163703U CN207163703U CN201721086988.3U CN201721086988U CN207163703U CN 207163703 U CN207163703 U CN 207163703U CN 201721086988 U CN201721086988 U CN 201721086988U CN 207163703 U CN207163703 U CN 207163703U
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- sensor
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- test block
- load component
- load
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Abstract
The utility model discloses a kind of swing dynamic load tester,Including swing support,Load component and the first cylinder installed in load component,Swing support upper end is provided with crossbeam,The crossbeam sets and is hinged with test block,Test block includes swing arm and seat board,Load component is arranged on seat board,Swing support side be provided with for the first cylinder piston rod contradict by means of power baffle plate,Position sensor is set on swing support,Position sensor includes the first sensor for being separately positioned on test block movement locus both ends and second sensor and the 3rd sensor being arranged between first sensor and second sensor,The setting height(from bottom) of first sensor is higher than the height of second sensor,First sensor is used for detecting the amplitude of fluctuation of swing,Second sensor is used for triggering the first cylinder moving,When the amplitude of fluctuation of swing is less than certain limit after energy loss,Acting in time gives swing one thrust,3rd sensor is used for the number of oscillations for calculating test block.
Description
Technical field
Dynamic test device field is the utility model is related to, more particularly to a kind of swing dynamic load tester.
Background technology
With the continuous improvement of people's living standards, kindergarten, school, recreation ground in one's power the place such as community to entertainment for children
The demand of the small-sized recreation facility in place is also increasing, and this kind of recreation facility export volume also increasingly increases, but this kind of travels
Facility product is very different, the accident that children use small-sized recreation facility injures and deaths once repeatedly occurs, the quality standard of swing is not
Effectively integrated with international standard, easily restricted by the more technical indicator of external travelling trader, be too tired to deal with manufacturing enterprise, due to because
The influence of these TBT (Technical Barriers to Trade), often results in products export and is obstructed caused by typical problem, at present, Publication No. CN
205103021 U patent discloses a kind of swing fatigue tester, including two columns being vertically arranged, cross bar and crossbeam,
Cross bar is erected at the top of two root posts, and the both ends of crossbeam are separately positioned in two root posts, and crossbeam is located at the lower section of cross bar, stands
Post is provided with crossbeam adjusting means and power assist device, and crossbeam adjusting means driving crossbeam moves up and down, its power boosting dress
The side that support is fixed on by pole is put, when swing touches during cylinder, push rod gives swing one opposition, though
It is so more enough that swing is pushed to a starting swing height in time, but do not have shape of the approximate simulation swing when moving
State, it is impossible to accurately simulation swing loss suffered after several complete hunting periods are completed.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of swing dynamic load tester, energy
Enough simulate the thrust that swing is subject in motion so that swing completes complete hunting period in Board Lot, more accurately calculates
The dynamic load loss of swing.
To achieve the above object, the utility model provides following technical scheme：A kind of swing dynamic load tester, including autumn
Thousand supports, load component and power set, the power set are the first cylinder on load component, on swing support
End is provided with crossbeam, and the crossbeam is provided with swing installation position, and test block is hinged with the swing installation position, and the test block includes
Swing arm and seat board, the load component are arranged on seat board, and the piston rod that swing support side is provided with for the first cylinder supports
Touch the baffle plate by means of power, the rising of the load component, which is swung initial position and be located at, is not provided with the side of baffle plate, and position is provided with thousand supports
Sensor is put, the position sensor includes the first sensor and second sensor for being separately positioned on test block movement locus both ends
And the 3rd sensor between first sensor and second sensor is arranged on, first sensor is located at test block and swung just
Beginning position side, second sensor is located at the relative opposite side for rising and swinging initial position, and the setting height(from bottom) of first sensor is higher than
The height of second sensor, when first sensor senses test block, the first cylinder does not work within this hunting period, when
When first sensor does not sense test block, first is triggered when second sensor senses test block within this hunting period
Cylinder moving, the piston rod ejection of the first cylinder give baffle plate one thrust, and 3rd sensor is used for the swing for calculating test block
Number.
As further improvement of the utility model, swing support swings position height with respect to test block and is provided with initial rise
Loop wheel machine structure, initial derricking gear include the second cylinder and electromagnet, and the electromagnet is held load component by magnetic force, and
For keeping load component to be located at elemental height when rising and swinging, the output end and load component of second cylinder are backwards to the first gas
One side contacts of cylinder, elemental height move to the height of first sensor position higher than test block, and the second cylinder is negative for providing
The initial driving force of lotus component.
As further improvement of the utility model, initial derricking gear is provided with the first lowering or hoisting gear, first lifting
Device is used to drive initial derricking gear to move up and down, and baffle plate setting has the second lowering or hoisting gear, and second lowering or hoisting gear is used for band
Dynamic baffle plate moves up and down, and the first lowering or hoisting gear and the second lowering or hoisting gear lower end are provided with slip base, the first lowering or hoisting gear and
Two lowering or hoisting gears and slip base are front and rear in the swing of relative load component to be slidably connected
As further improvement of the utility model, crossbeam is provided with the cantilever of installation site sensor.
As further improvement of the utility model, position sensor is infrared sensor, and the quantity of cantilever is two, institute
Swing installation position is stated between two cantilevers, infrared sensor includes infrared launcher and infrared receiving device, infrared hair
Injection device and infrared receiving device align respectively to be arranged on two cantilevers.
As further improvement of the utility model, several adjustable steel discs are installed with load component.
As further improvement of the utility model, installation position is provided with load component, steel disc is provided with for installing
Opening on to installation position, the steel disc are being extended with clamping block close to open side, and the installation position both sides are provided with spacing clamping block
Stopper slot, be provided with symmetrically arranged mounting hole on steel disc, several steel discs are connected on installation position by screw rod through installation
Hole is fixed.
As further improvement of the utility model, swing support lower end is provided with liftable load device, the load
Load component is held up when device is used to install.
As further improvement of the utility model, the load device includes hoistable platform and drive device, the drive
The take-off lever support hoistable platform oscilaltion of dynamic device, the hoistable platform lower surface is provided with telescopic supporting rod, the drive
Dynamic device drives telescopic supporting rod to stretch.
As further improvement of the utility model, the swing support lower end set it is fluted, the drive device with
Telescopic supporting rod is arranged in groove.
The beneficial effects of the utility model are：By the way that power set are arranged on load component, and in the motion of swing
Position sensor is set on track, and position sensor is used for detecting the amplitude of fluctuation of swing, the pendulum of swing after energy loss
When dynamic amplitude is less than certain limit, acts on give swing one thrust in time, the seat board in its load component simulation swing product, its
The motion principle of power set is when swing does not reach predetermined amplitude of fluctuation, and position sensor triggering power set make power
Between swing on the baffle plate of direction of motion side, when power set drive, baffle plate gives that load component one is counter to be pushed away
Power, can the force-bearing situation of altitude simulation swing when in use, and by by trigger power set second sensor be arranged on
The critical altitude that swing reaches after energy loss so that power set give one, swing when swing acceleration is close to zero
Propulsive thrust, while supply kinetic energy in time, the propulsive thrust that power set are acted on will not be lost, ensure that swing is fed in kinetic energy
Initial amplitude of fluctuation can be reached afterwards so that the swing hunting period to be counted is complete under approximate predetermined amplitude of fluctuation
Hunting period so that result of calculation is more reasonable.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the structural representation of swing support；
Fig. 3 is the structural representation of load component.
1st, swing support；2nd, load component；3rd, stand is supported；4th, the first cylinder；5th, crossbeam；6th, mounting seat；7th, test
Part；8th, baffle plate；9th, first sensor；10th, second sensor；11st, 3rd sensor；12nd, initial derricking gear；13rd, the second gas
Cylinder；14th, electromagnet；15th, the first lowering or hoisting gear；16th, the second lowering or hoisting gear；17th, slip base；18th, cantilever；19th, infrared emission fills
Put；20th, infrared receiving device；21st, steel disc；22nd, it is open；23rd, installation position；24th, clamping block；25th, mounting hole；26th, load device；
27th, hoistable platform；28th, telescopic supporting rod；29th, drive device；30th, groove；31st, chute；32nd, stopper slot.
Embodiment
The utility model is described in further detail below in conjunction with the embodiment given by accompanying drawing.
Shown in reference picture 1-3, a kind of swing dynamic load tester disclosed in the present embodiment, including swing support 1, load component
2 and power set, the power set are the first cylinder 4 on load component 2, and the upper end of swing support 1 is provided with horizontal stroke
Beam 5, the crossbeam 5 are provided with swing installation position, and test block 7 is hinged with the swing installation position, and the test block 7 includes swing arm
And seat board, the load component 2 are arranged on seat board, it is preferred that its load component 2 is arranged on seat board by fastener clamp
On, the lower end connected load component 2 of test block 7, the species of swing arm according to the species difference of swing can be rope, chain,
The connector of fixed plate or other materials, include the load part of simulation user's weight in load component 2, in test,
After test block 7 installs, give test block 7 one initial thrusts, load component 2 is done on swing support 1 before and after cross bar
Reciprocating motion on direction, because air drag test block 7 has energy loss when swinging, given in time by the first cylinder 4
Load component 2 supplements kinetic energy, and the piston rod being provided with the side of swing support 1 for the first cylinder 4 contradicts the baffle plate 8 by means of power,
When swing motion is to close to 8 position of baffle plate, the piston rod of the first cylinder 4, which stretches out, to be applied on baffle plate 8, and its baffle plate 8 gives load
The oblique angle of the piston rod of 2 one propulsive thrust of component, the setting angle of its baffle plate 8 and the first cylinder 4 at an angle, the load
The rising of component 2, which is swung initial position and be located at, is not provided with the side of baffle plate 8, sets position sensor on swing support 1, the position passes
Sensor includes the first sensor 9 for being separately positioned on the movement locus both ends of test block 7 and second sensor 10 and is arranged on the
3rd sensor 11 between one sensor 9 and second sensor 10, first sensor 9, which is located at test block 7, to be risen and swings initial bit
The side put, second sensor 10 are located at the relative opposite side for rising and swinging initial position, and the setting height(from bottom) of first sensor 9 is higher than the
The height of two sensors 10, first sensor 9, which is located at test block 7, to be risen on the position that the test block 7 when swinging initial position aligns, the
Two sensors 10 are located at the position that the kinetic energy loss of test block 7 can reach to test block after preset value 7, and the first cylinder 4 and first passes
Sensor 9 and second sensor 10 couple, when first sensor 9 senses test block 7, the first gas within this hunting period
Cylinder 4 does not work, and when first sensor 9 does not sense test block 7, second sensor 10 senses within this hunting period
The first cylinder 4 is triggered during test block 7 to move, it is preferred that second sensor 10 can do sth. in advance or delay the first cylinder 4 of triggering,
Enable the first cylinder 4 the acceleration of load component 2 be approximately zero close to baffle plate 8 when act on baffle plate 8, during its interval
Between computer mould can be passed through according to the position height difference of second sensor 10 and baffle plate 8 and the speed of service of load component 2
Intend calculating, the piston rod ejection of the first cylinder 4 was given 8 one, baffle plate and pushed away typically between 20-100 milliseconds its interval time difference
Power, 3rd sensor 11 are used for the number of oscillations for calculating test block 7, and when test block 7 damages, 3rd sensor 11 stops meter
Number.
By setting three position sensors accurately to judge amplitude of fluctuation of the test block 7 within each hunting period
Spend, can trigger power set when test block 7 does not swing to predetermined amplitude of fluctuation feeds kinetic energy in time, can control survey
The amplitude of fluctuation of test specimen 7 just drives in a default less section when the amplitude of fluctuation of test block 7 does not reach requirement
Power set feed kinetic energy, and it is excessive to prevent that test block 7 from swinging, while save energy consumption, are leaned on by the way that second sensor 10 is arranged on
The critical altitude that can be reached after the nearly kinetic energy loss of test block 7 so that test block 7 when swinging to 10 position of second sensor,
Its oscillating acceleration having is close to 0, and at this moment second sensor 10 drives the piston rod of the first cylinder 4 to release, and is ensureing to live
While stopper rod is applied on baffle plate 8, acceleration anti-work to baffle plate 8 to load component 2 of the load component 2 to the direction of baffle plate 8
Influence firmly can be ignored, and can relatively coincide the state of simulation swing when in use.
As a kind of improved embodiment, swing support 1 rises with respect to test block 7 to be swung position height and is provided with initially
Derricking gear 12, initial derricking gear 12 include the second cylinder 13 and electromagnet 14, and the electromagnet 14 will be negative by magnetic force
Lotus component 2 is held, and for keeping load component 2 be located at elemental height when rising and swinging, the output end of second cylinder 13 and
For load component 2 backwards to a side contacts of the first cylinder 4, elemental height moves to the height of the position of first sensor 9 higher than test block 7
Degree, the second cylinder 13 are used for the initial driving force for providing load component 2.
By setting initial derricking gear 12, initial a sling height and initial kinetic energy are accurately set, passes through electromagnetism
Iron 14 holds load component 2 and load component 2 is fixed on into preset height, by controlling the signal of electromagnet 14 to transfer load component 2,
While electromagnet 14 loses suction, the second cylinder 13 driving piston rod gives load component 2 one initial thrusts, is initially rising
After loop wheel machine structure 12 provides initial thrust, the second cylinder 13 no longer works with electromagnet 14, and relative by Manual-pushing, it is more smart
Really, and in the case where load component 2 is very heavy it is more convenient easy to promote.
As a kind of improved embodiment, initial derricking gear 12 is provided with the first lowering or hoisting gear 15, and this first
Lowering or hoisting gear 15 is used to drive initial derricking gear 12 to move up and down, and baffle plate 8 is provided with the second lowering or hoisting gear 16, second lifting
Device 16 is used to drive baffle plate 8 to move up and down, it is preferred that the first lowering or hoisting gear 15 and the second lowering or hoisting gear 16 are cylinder, initially
The piston rod that derricking gear 12 distinguishes corresponding cylinder with baffle plate 8 connects, the first lowering or hoisting gear 15 and the second lowering or hoisting gear
16 lower ends are provided with slip base 17, the first lowering or hoisting gear 15 and the second lowering or hoisting gear 16 and slip base 17 in relative load component
It is front and rear on 2 swaying directions to be slidably connected.
By setting lowering or hoisting gear in initial derricking gear 12 and the lower end of baffle plate 8 and by the first lowering or hoisting gear 15 and second
The lower end of lowering or hoisting gear 16 is provided with the slip base 17 for its front and rear sliding so that initial derricking gear 12 and baffle plate 8 are convenient upper
Lower section adjusts upward, and the adjustable distance with swing support 1, adapts it to the test block 7 of different size length, and can be with
Height is swung in rising for adjustment test block 7, to control the amplitude of fluctuation of test block 7, is easy to accurately test under different swing height, is surveyed
The fatigue strength of test specimen 7, meanwhile, position sensor is adjusted position according to different amplitudes of fluctuation, it is preferred that swing support 1
Including mounting seat 6 and two support stands 3 being symmetricly set in mounting seat 6, the support stand 3 can with mounting seat 6
Regulation connection, the chute 31 for the support lateral sliding of stand 3 is set, by by mounting bracket and support stand 3 in mounting seat 6
Be arranged to sliding connection structure so that support stand 3 can lateral sliding come adjust support stand 3 between spacing, to adapt to
The test block 7 or the load component 2 of different in width that different in width is set.
As a kind of improved embodiment, crossbeam 5 is provided with the cantilever 18 of installation site sensor, passes through cantilever
18 installation site sensors so that position sensor easily can be set close to test block 7 so that test block 7 passes in position
In the distance of reaction of sensor, mounting structure is reasonable.
As a kind of improved embodiment, the position sensor is infrared sensor, and the quantity of cantilever 18 is
Two, between two cantilevers 18, infrared sensor includes infrared launcher 19 and infrared connect for the swing installation position 23
Receiving apparatus 20, infrared launcher 19 and infrared receiving device 20 align respectively to be arranged on two cantilevers 18.
Its infrared sensor is sensitiveer with respect to other proximity transducers, when test block 7 passes through, infrared launcher 19
The infrared ray test specimen 7 sent blocks, and infrared receiving device 20 does not receive infrared ray, touches infrared sensor.
As a kind of improved embodiment, several adjustable steel discs 21 are installed with load component 2,
Steel disc 21 by installing varying number on load component 2 is applicable not the same year come the load of Load adjustment component 2 to simulate
The swing load capacity of age section child.
As a kind of improved embodiment, installation position 23 is provided with load component 2, steel disc 21, which is provided with, to be used for
The opening 22 being installed on installation position 23, the steel disc 21 are being extended with clamping block 24,23 liang of the installation position close to the side of opening 22
Side is provided with the stopper slot 32 of spacing clamping block, and symmetrically arranged mounting hole 25 is provided with steel disc 21, and several steel discs 21 are connected to
Fixed on installation position 23 by screw rod through mounting hole 25.
By the way that steel disc 21 and installation position 23 are arranged to be mutually matched clamping so that steel disc 21 is more stably mounted at negative
On lotus component 2, multiple steel discs 21 are symmetricly set on installation position 23, and are contacted and fixed by screw rod, and fixed steel disc 21 prevents from moving
Position so that test process is safer.
As a kind of improved embodiment, the lower end of swing support 1 is provided with liftable load device 26, the load
Load component 2 is held up when lotus device 26 is used to install.
Preferably, by setting liftable load device 26, its load in the lower end of swing rest position in swing support 1
Device 26 is used for holding up mounted load component 2 the lower end height of test block 7 so that load component 2 connects with test block 7
More Labor-saving safety when connecing.
As a kind of improved embodiment, the load device 26 includes hoistable platform 27 and drive device
29, the take-off lever support hoistable platform oscilaltion of the drive device 29, the lower surface of hoistable platform 27 is provided with flexible branch
Strut 28, the drive device 29 drive telescopic supporting rod 28 flexible.
Its drive device 29 is preferably motor, and the output shaft of motor is screw mandrel, its screw mandrel end and lifting
Platform 27 is fixedly connected, and load component 2 is stably placed on hoistable platform 27, is driven and lifted by motor, can be fine
Control adjustable height, the telescopic supporting rod installed in lower end, when load device does not rise, telescopic supporting rod plays support
Effect, protects the effect of motor.
As a kind of improved embodiment, the lower end of swing support 1 sets fluted 30, the drive device
29 are arranged in groove 30 with telescopic supporting rod 28.
Its motor is arranged in groove 30, by will support the telescopic supporting rod 28 and motor of hoistable platform 27
It is all disposed within groove 30 so that hoistable platform 27 can be in same water with installing the base of swing support 1 when positioned at low level
Plane, load component 2 is facilitated to shift or be carried on hoistable platform 27.
To sum up, a kind of swing dynamic load tester disclosed in the utility model, the motion that real swing is swung more is pressed close to
Track, the swing kinetic energy loss of test specimen 7 is sensed by position sensor, timely to supplement the kinetic energy of test block 7 so that the autumn
Complete hunting period in the range of predetermined amplitude of fluctuation in thousand completion Board Lots so that the result of swing dynamic test is more accurate
Really.
It the above is only preferred embodiment of the present utility model, the scope of protection of the utility model is not limited merely to above-mentioned
Embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should be pointed out that pair
For those skilled in the art, some improvements and modifications under the premise of the utility model principle is not departed from,
These improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. swing dynamic load tester, it is characterised in that：Including swing support (1), load component (2) and power set, The power set are the first cylinder (4) on load component (2), and swing support (1) upper end is provided with crossbeam (5), the crossbeam (5) is provided with swing installation position, and test block (7) is hinged with the swing installation position, and the test block (7) includes Swing arm and seat board, the load component (2) are arranged on seat board, and swing support (1) side is provided with for the first cylinder (4) piston rod contradicts the baffle plate (8) by means of power, and the rising of the load component (2) swings initial position positioned at being not provided with baffle plate (8) Side, position sensor is set on the swing support (1), the position sensor includes being separately positioned on test block (7) fortune The first sensor (9) and second sensor (10) at dynamic rail mark both ends and be arranged on first sensor (9) and second sensing 3rd sensor (11) between device (10), the first sensor (9) are located at load component (2) and swing the one of initial position Side, the second sensor (10) are located at the relative opposite side for rising and swinging initial position, the setting height(from bottom) of the first sensor (9) Higher than the height of second sensor (10), when the first sensor (9) senses test block (7), in this hunting period Interior first cylinder (4) does not work, when the first sensor (9) does not sense test block (7), within this hunting period Second sensor (10) triggers the first cylinder (4) motion when sensing test block (7), the piston rod of the first cylinder (4) eject to (8) thrusts of baffle plate are given, the 3rd sensor (11) is used for the number of oscillations for calculating test block (7).
- A kind of 2. swing dynamic load tester according to claim 1, it is characterised in that：The swing support (1) is relative to survey Test specimen (7) swings position height and is provided with initial derricking gear (12), and the initial derricking gear (12) includes the second cylinder (13) and electromagnet (14), the electromagnet (14) are held load component (2) by magnetic force, and for keeping load component (2) it is located at elemental height when rising and swinging, the output end and load component (2) of second cylinder (13) are backwards to the first cylinder (4) A side contacts, elemental height moves to the height of first sensor (9) position, second cylinder higher than test block (7) (13) it is used for the initial driving force that load component (2) are provided.
- A kind of 3. swing dynamic load tester according to claim 2, it is characterised in that：The initial derricking gear (12) is set The first lowering or hoisting gear (15) is equipped with, first lowering or hoisting gear (15) is used to drive initial derricking gear (12) to move up and down, described Baffle plate (8) is provided with the second lowering or hoisting gear (16), and second lowering or hoisting gear (16) is used to drive baffle plate (8) to move up and down, described First lowering or hoisting gear (15) and the second lowering or hoisting gear (16) lower end are provided with slip base (17), first lowering or hoisting gear (15) With the second lowering or hoisting gear (16) and slip base (17) are front and rear on relative load component (2) swaying direction is slidably connected.
- A kind of 4. swing dynamic load tester according to any one in claim 1-3, it is characterised in that：The crossbeam (5) it is provided with the cantilever (18) of installation site sensor.
- A kind of 5. swing dynamic load tester according to claim 4, it is characterised in that：The position sensor is infrared biography Sensor, the quantity of the cantilever (18) is two, and the swing installation position is between two cantilevers (18), the infrared sensing Device includes infrared launcher (19) and infrared receiving device (20), the infrared launcher (19) and infrared receiving device (20) alignment is arranged on two cantilevers (18) respectively.
- A kind of 6. swing dynamic load tester according to claim 1 or 5, it is characterised in that：It is solid on the load component (2) Dingan County is equipped with several adjustable steel discs (21).
- A kind of 7. swing dynamic load tester according to claim 6, it is characterised in that：Set on the load component (2) There is installation position (23), the steel disc (21) is provided with for installation into the opening (22) on installation position (23), and the steel disc (21) exists Clamping block (24) is extended with close to opening (22) side, installation position (23) both sides are provided with the stopper slot of spacing clamping block (24) (32) symmetrically arranged mounting hole (25), is provided with the steel disc (21), several described steel discs (21) are connected to installation position (23) it is fixed through mounting hole (25) by screw rod on.
- A kind of 8. swing dynamic load tester according to claim 7, it is characterised in that：Swing support (1) lower end is set Liftable load device (26) is equipped with, load component (2) is held up when the load device (26) is used to install.
- A kind of 9. swing dynamic load tester according to claim 8, it is characterised in that：The load device (26) includes rising Platform (27) and drive device (29), the take-off lever support hoistable platform oscilaltion of the drive device (29), the liter drop Drop platform (27) lower surface is provided with telescopic supporting rod (28), and the drive device (29) drives telescopic supporting rod (28) flexible.
- A kind of 10. swing dynamic load tester according to claim 9, it is characterised in that：Swing support (1) lower end is set Groove (30) is equipped with, the drive device (29) is arranged in groove (30) with telescopic supporting rod (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721086988.3U CN207163703U (en) | 2017-08-29 | 2017-08-29 | A kind of swing dynamic load tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721086988.3U CN207163703U (en) | 2017-08-29 | 2017-08-29 | A kind of swing dynamic load tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207163703U true CN207163703U (en) | 2018-03-30 |
Family
ID=61718583
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721086988.3U Active CN207163703U (en) | 2017-08-29 | 2017-08-29 | A kind of swing dynamic load tester |
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| Country | Link |
|---|---|
| CN (1) | CN207163703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254992A (en) * | 2020-10-12 | 2021-01-22 | 中车唐山机车车辆有限公司 | Motor train unit maintenance platform with automatic lifting corridor |
-
2017
- 2017-08-29 CN CN201721086988.3U patent/CN207163703U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254992A (en) * | 2020-10-12 | 2021-01-22 | 中车唐山机车车辆有限公司 | Motor train unit maintenance platform with automatic lifting corridor |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Sujuan Inventor after: Jin Lili Inventor after: Chen Jingmiao Inventor after: Tang Longgang Inventor after: Lin Kuai Inventor after: Yang Liping Inventor after: Li Chen Inventor before: Chen Sujuan Inventor before: Jin Lili Inventor before: Chen Jingmiao Inventor before: Tang Longgang Inventor before: Lin Kuai Inventor before: Yang Liping |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 quality inspection building, Wuxing Road, Dongou Industrial Park, Oubei Town, Yongjia, Wenzhou, Zhejiang Co-patentee after: Wenzhou Wanfeng Inspection Equipment Co., Ltd. Patentee after: Zhejiang pump valve product quality inspection center (Yongjia county quality and Technology Supervision Inspection and Research Institute) Address before: 325000 quality inspection building, Wuxing Road, Dongou Industrial Park, Oubei Town, Yongjia, Wenzhou, Zhejiang Co-patentee before: Wenzhou Wanfeng Inspection Equipment Co., Ltd. Patentee before: Zhejiang pump and valve product quality inspection center (Yongjia product quality supervision and Inspection Institute) |