CN106908211A - A kind of door of elevator striking experiment device - Google Patents
A kind of door of elevator striking experiment device Download PDFInfo
- Publication number
- CN106908211A CN106908211A CN201710192355.9A CN201710192355A CN106908211A CN 106908211 A CN106908211 A CN 106908211A CN 201710192355 A CN201710192355 A CN 201710192355A CN 106908211 A CN106908211 A CN 106908211A
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- door
- mounting bracket
- elevator
- pendulum
- bar
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- 230000035939 shock Effects 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 210000002683 foot Anatomy 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a kind of door of elevator striking experiment device, it is characterised in that：Including door-plate installing mechanism and the knocking gear being arranged on the outside of door-plate installing mechanism, door-plate installing mechanism includes stand, the door-plate mounting bracket being installed on the outside of stand, two ends on the outside of stand are equipped with a vertical chute, and the both sides of the door-plate mounting bracket are slidably mounted on two vertical chutes；Knocking gear includes clashing into mounting bracket, the shock mounting bracket is hollow structure, a drive device is provided with the shock mounting bracket, pendulum and laser locating apparatus are clashed into, the top front side for clashing into mounting bracket is provided with a roller, the laser locating apparatus are installed on the rear side middle part of the shock mounting bracket, the linking bar of top one for clashing into pendulum is connected through the roller with the top of the shock mounting bracket, and the zip strip of middle part one for clashing into pendulum is connected with the drive device.The present invention improves the striking experiment convenience and experiment effect of door of elevator.
Description
Technical field
The present invention relates to a kind of elevator device, more particularly to a kind of door of elevator striking experiment device.
Background technology
The elevator door that No. 1 amendment pair of new GB7588 can enter elevator for people proposes anticollision requirement, in conventional structure
In, typically all directly elevator door is placed directly on a wall face, or be positioned on a support, recycle pendulum
Striking experiment is carried out to elevator door.But, but because the door-opening mode of layer door is different, gate-width degree and door height also equal not phase
Together, so it is accomplished by making elevator door of the different supports to tackle different model.Meanwhile, if using mechanical pendulum
Words, rum point also compares fixation, it is difficult to adjusts, or is difficult to position, if clashed into using artificial pendulum, clashes into the bad control of dynamics
System.
The content of the invention
It is an object of the present invention to provide a kind of door of elevator striking experiment device, by using the structure, shock is improve real
The convenience tested, also improves the scope of application of elevator door.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of door of elevator striking experiment device, including door
Panel mounting mechanism and the knocking gear being arranged on the outside of door-plate installing mechanism,
The door-plate installing mechanism includes stand, the door-plate mounting bracket being installed on the outside of stand, on the outside of the stand two
End is equipped with a vertical chute, and the both sides of the door-plate mounting bracket are slidably mounted on two vertical chutes；
The knocking gear includes clashing into mounting bracket, and the shock mounting bracket is hollow structure, in the shock mounting bracket
It is provided with a drive device, clashes into pendulum and laser locating apparatus, the top front side of the shock mounting bracket is provided with a roller, described
Laser locating apparatus are installed on the rear side middle part of the shock mounting bracket, and the linking bar of top one for clashing into pendulum passes through institute
State roller to be connected with the top of the shock mounting bracket, the zip strip of middle part one and the drive device phase for clashing into pendulum
Even.
In above-mentioned technical proposal, the bottom of the stand is provided with a plurality of fixed supporting foots.
In above-mentioned technical proposal, the door-plate mounting bracket is installed on the outside of the stand, is provided with the inside of the stand
Complex root locating rod.
In above-mentioned technical proposal, the door-plate mounting bracket includes erecting that two cross bars being parallel to each other and two are parallel to each other
Bar, the cross bar is arranged in a mutually vertical manner with the montant, and the two ends of two cross bars are respectively arranged in two vertical cunnings
In groove, the two ends of two montants are respectively arranged on two cross bars.
In above-mentioned technical proposal, the cross bar is set perpendicular to the vertical chute, and the montant is parallel to described vertical
Chute is set；The every cross bar is provided with a horizontal concrete chute, and the two ends of the montant are slidably mounted on two cross bars respectively
In horizontal concrete chute, and two connecting rods of the middle part of the montant one are connected.
In above-mentioned technical proposal, the cross bar and montant are extensible structure, and the cross bar can prolonging along the cross bar
Stretch direction stretching or shrink, the montant can be along the stretching of the bearing of trend of the montant or contraction.
In above-mentioned technical proposal, a support bar is provided with the top of the shock mounting bracket, the roller is installed on the branch
The front side of strut, is provided with a hanging wheel on rear side of the support bar, a linking bar rolling-up mechanism, institute are provided with the middle part of the support bar
The top for stating shock pendulum is connected by the roller by the linking bar with the linking bar rolling-up mechanism, the shock pendulum
Middle part be connected with the drive device by the hanging wheel by the zip strip.
In above-mentioned technical proposal, the bottom for clashing into mounting bracket is provided with a plurality of universal wheels, the side of the universal wheel
It is additionally provided with detent mechanism.
In above-mentioned technical proposal, the Laser emission end of the laser locating apparatus sets towards described shock on front side of mounting bracket
Put.
In above-mentioned technical proposal, meter counter is additionally provided with the support bar, the meter counter is butted on the linking bar.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1., by setting door-plate installing mechanism and knocking gear in the present invention, door of elevator is installed on door-plate installing mechanism
On, recycle the shock pendulum in knocking gear to carry out striking experiment to door of elevator, compared with conventional structure, automaticity
Higher, the convenience of striking experiment is stronger, and more preferably, labor intensity of operating staff is lower for striking experiment effect；
2. the cross bar in middle door-plate mounting bracket of the present invention can be moved up and down in stand, and vertical rod can be on cross bar
Moved left and right, while cross bar and montant are stretching structure, conveniently adapted to the elevator door of different in width, height and door-opening mode
Plate, is adapted to the door of elevator of different model, being capable of effective reduces cost；
3. clashed into the present invention on mounting bracket and laser locating apparatus are set, using the setting of laser locating apparatus, it is fixed to be easy to
The rum point of position shock pendulum, effectively improves the effect of striking experiment；
4. the linked bar in top that pendulum is clashed into the present invention is connected through roller with linking bar rolling-up mechanism, wherein, chain
The outer edge surface of narrow bars is contacted with a meter counter, by the setting of meter counter and linking bar rolling-up mechanism, is easy to regulation to clash into pendulum
Height, that is, regulation clash into pendulum rum point, it is ensured that in laser locating apparatus to clash into point location clash into accuracy,
Ensure the effect of striking experiment.
Brief description of the drawings
Fig. 1 is the structural representation in the embodiment of the present invention one；
Fig. 2 is the structural representation of the middle door-plate installing mechanism of the embodiment of the present invention one；
Fig. 3 is the structural representation (universal wheel is not drawn into) of knocking gear in the embodiment of the present invention one.
Wherein：1st, door-plate installing mechanism；2nd, knocking gear；3rd, stand；4th, door-plate mounting bracket；5th, vertical chute；6th, clash into
Mounting bracket；7th, drive device；8th, pendulum is clashed into；9th, laser locating apparatus；10th, roller；11st, linking bar；12nd, zip strip；13rd, it is solid
Determine support feet；14th, locating rod；15th, metope；16th, cross bar；17th, montant；18th, horizontal concrete chute；19th, connecting rod；20th, support bar；
21st, hanging wheel；22nd, linking bar rolling-up mechanism；23rd, universal wheel；24th, detent mechanism；25th, meter counter.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment one：Referring to shown in Fig. 1~3, a kind of door of elevator striking experiment device, including door-plate installing mechanism 1 and
The knocking gear 2 in the outside of door-plate installing mechanism 1 is arranged at,
The door-plate installing mechanism 1 includes stand 3, is installed on the door-plate mounting bracket 4 in the outside of stand 3, the outside of the stand 3
Two ends be equipped with a vertical chute 5, the both sides of the door-plate mounting bracket 4 are slidably mounted on two vertical chutes 5；
The knocking gear 2 includes clashing into mounting bracket 6, and the shock mounting bracket 6 is hollow structure, the shock mounting bracket
A drive device 7 is provided with 6, pendulum 8 and laser locating apparatus 9 are clashed into, the top front side for clashing into mounting bracket 6 is provided with a rolling
Wheel 10, the laser locating apparatus 9 are installed on the rear side middle part of the shock mounting bracket 6, the top one for clashing into pendulum 8
Linking bar 11 is connected through the roller 10 with the top of the shock mounting bracket 6, the slide fastener of middle part one for clashing into pendulum 8
Bar 12 is connected with the drive device 7.
In the present embodiment, the position of laser locating apparatus substantially remains in the state of flushing with the minimum point for clashing into pendulum,
So being easy to laser locating apparatus carries out shock positioning.When striking experiment is carried out to door of elevator, first door of elevator is installed
In on door-plate mounting bracket, then knocking gear is displaced into the front end of door of elevator, then knocking gear is fixed, then will
Laser locating apparatus are opened, and wherein laser locating apparatus are generating laser, and the laser spots gone out using laser transmitter projects are just
To on door of elevator, operating personnel's rum point as needed, the angle to generating laser is adjusted, that is, regulation is clashed into
Point, then drive device release zip strip, clashes into pendulum due to deadweight, clashes into pendulum and is rotated around roller by linking bar, right
Door of elevator is clashed into, and the laser spots that rum point is launched for laser generator.After the completion of once clashing into, drive device is led to
Crossing zip strip drives shock pendulum to retract, and zip strip is then unclamped again, and so circulation is clashed into, and completes striking experiment.
Referring to shown in Fig. 1,2, the bottom of the stand 3 is provided with a plurality of fixed supporting foots 13.Wherein, fixed supporting foot
Side can be set universal wheel (being not drawn into figure), so can be easy to elevator door in order to drive stand and door-plate mounting bracket to move
The installation and movement of plate, are easy to adjust impingement position.Meanwhile, after mobile completion, universal wheel can be lifted, supported using fixed
Pin is fixed to stand and door-plate mounting bracket, prevents stand and door-plate mounting bracket in striking experiment from moving, it is ensured that to clash into real
The accuracy tested, it is ensured that striking experiment effect.
Referring to shown in Fig. 1,2, the door-plate mounting bracket 4 is installed on the outside of the stand 3, and the inner side of the stand 3 sets
There is complex root locating rod 14.Wherein, by the setting of locating rod, locating rod can be butted on metope 15, played to stand and door
The supporting role of board mounting stand, so in striking experiment, is prevented from stand and the movement of door-plate mounting bracket, it is ensured that striking experiment
Effect.Meanwhile, being contacted with metope only with many locating rods, such stand is small with the contact area of metope, and frictional force is big, can
Striking experiment effect is effectively ensured.
Shown in Figure 2, the door-plate mounting bracket 4 includes erecting that two cross bars 16 being parallel to each other and two are parallel to each other
Bar 17, the cross bar is arranged in a mutually vertical manner with the montant, the two ends of two cross bars be respectively arranged in two it is described vertical
In chute, the two ends of two montants are respectively arranged on two cross bars.
The cross bar 16 is set perpendicular to the vertical chute 5, and the montant 17 is set parallel to the vertical chute 5；
The every cross bar 16 is provided with a horizontal concrete chute 18, and the two ends of the montant 17 are slidably mounted on two horizontal strokes of cross bar 16 respectively
To in chute 18, and two connecting rods 19 of the middle part of the montant 17 one are connected.
The cross bar and montant are extensible structure, and the cross bar can be along the stretching of the bearing of trend of the cross bar or receipts
Contracting, the montant can be along the stretching of the bearing of trend of the montant or contraction.
Because door of elevator has different door-opening modes, enabling size, also possess different sizes, therefore, in order to just
Installed in the door of elevator of different model, in the present embodiment, cross bar can be moved up and down and is arranged in vertical chute, montant can be left
Move right and be arranged in horizontal concrete chute, and cross bar and montant are extensible structure, can extend or shorten, and are so easy to fit
Answer the installation of different model door of elevator.Meanwhile, locking mechanism can be set in horizontal concrete chute and vertical chute, exist in cross bar
Vertical chute or montant are after mobile completion in horizontal concrete chute, it is possible to use locking mechanism is positioned to cross bar and montant,
Ensure that the fastness that door of elevator is installed.Meanwhile, two montants are attached through connecting rod, by increasing capacitance it is possible to increase door-plate mounting bracket
Fastness.
Referring to shown in Fig. 1,3, the top for clashing into mounting bracket 6 is provided with a support bar 20, and the roller 10 is installed on institute
The front side of support bar 20 is stated, the rear side of the support bar 20 is provided with a hanging wheel 21, and the middle part of the support bar 20 is provided with a link
Bar rolling-up mechanism 22, the top for clashing into pendulum 8 is wound by the roller 10 by the linking bar 11 with the linking bar
Mechanism 22 is connected, and the middle part for clashing into pendulum 8 is by the zip strip 12 by the hanging wheel 21 and the phase of the drive device 7
Even.
In the present embodiment, the roller is two, and linking bar is through between two rollers, when swinging, towards front side
During swing, linking bar is butted on the roller of front side, and when being swung towards rear side, linking bar is butted on the roller of rear side, two rollers
Play spacing and rolling action.
Wherein, the positive opposite house board mounting stand of mounting bracket is clashed into, is so easy to shock pendulum to carry out striking experiment to door of elevator.
Wherein, linking bar is used to hang to connect shock pendulum, and clashing into pendulum when in use can the swing on roller, structure by linking bar
Into the operation for swinging shock.And in order to ensure that clashing into pendulum can realize the automatic shock of door of elevator, also for shock pendulum
Do not rocked when not working, can be locked, by the setting of hanging wheel and drive device, drive device can be arranged at shock peace
Bottom rear or the rear side middle part shelved, such zip strip middle part are rolled and are through on hanging wheel, and one end and the shock of zip strip are put
Hammer is connected, and the other end is connected with drive device, so clashes into pendulum when not in use, it is possible to use drive device receives zip strip
Volume, will clash into pendulum and pulls up, and make shock pendulum near hanging wheel, so form the locking to clashing into pendulum.In striking experiment mistake
Cheng Zhong, drive device can unclamp the coupling mechanism force to zip strip, clash into the binding force that pendulum breaks away from zip strip, clash into pendulum and be subject to
The effect of self gravitation, can start to swing moment around roller, and door of elevator is clashed into, and complete a striking experiment.
If necessary to multiple impact experiment, then once clash into after completing, drive mechanism drive zip strip is pulled clashes into pendulum, makes shock
Pendulum reaches predetermined altitude, and the binding force of zip strip is then unclamped again, clashes into pendulum and swings shock again, and completion is clashed into again
Experiment.
Wherein, in the present invention, hanging wheel can be not provided with support bar, it is also possible to be not provided with drive device, in support bar
Rear side one hook is only set, one end of zip strip be connected with pendulum is clashed into, and the other end can be mounted on the hook, realizes clashing
The locking of pendulum is hit, such as needs to use, it is only necessary to pendulum will clashed into and unclamped from hook, complete knockout process.
In the present embodiment, the bottom for clashing into mounting bracket 6 is provided with a plurality of universal wheels 23 (Fig. 3 is not drawn into), described
The side of universal wheel 23 is additionally provided with detent mechanism 24.Wherein, universal wheel is set, is easy to clash into the movement of mounting bracket, meanwhile, set
The setting of detent mechanism, when that need not move, it is necessary to during striking experiment, capable fixation is installed into shock using detent mechanism,
Prevent from clashing into and movement is installed, be so easy to the carrying out of striking experiment.
Wherein, the Laser emission end of the laser locating apparatus is set towards the front side of the shock mounting bracket.So swash
The laser spots that light generation end-fire goes out just to door of elevator can be easy to clash into positioning.
Referring to meter counter 25 shown in Fig. 1,3, is additionally provided with the support bar 20, the meter counter 25 is butted on the linking bar
On 11.Wherein, using the setting of meter counter, when needing to adjust the position of rum point, the height for clashing into pendulum can be adjusted,
Exactly using the winding of linking bar rolling-up mechanism or the length of the linking bar that lengthens, the height to clashing into pendulum is adjusted, that is,
The rum point of pendulum is clashed into regulation, is easy to the completion of striking experiment.Wherein, by the setting of meter counter, it is easy to regulation to clash into pendulum
The height of hammer, that is, improve the precision of rum point.
In the present embodiment, it is also possible to which meter counter is set in linking bar rolling-up mechanism, length is wound to ensure linking bar
And release the precision of length.
In the present embodiment, according to the striking experiment of different model door of elevator, required shock dynamics can be changed not
The shock pendulum of same model, it is also possible to adjust pull-out altitude of the drive device to shock pendulum, that is, pendulum is clashed into regulation
Highest pendulum point, is so easy to adjust the shock dynamics of door of elevator, it is ensured that striking experiment effect and accuracy.
Claims (10)
1. a kind of door of elevator striking experiment device, it is characterised in that：Including door-plate installing mechanism and it is arranged at door-plate fitting machine
Knocking gear on the outside of structure,
The door-plate installing mechanism includes stand, the door-plate mounting bracket being installed on the outside of stand, and the two ends on the outside of the stand are equal
A vertical chute is provided with, the both sides of the door-plate mounting bracket are slidably mounted on two vertical chutes；
The knocking gear includes clashing into mounting bracket, and the shock mounting bracket is hollow structure, is provided with the shock mounting bracket
One drive device, shock pendulum and laser locating apparatus, the top front side of the shock mounting bracket are provided with a roller, the laser
Positioner is installed on the rear side middle part of the shock mounting bracket, and the linking bar of top one for clashing into pendulum passes through the rolling
Take turns and be connected with the top of the shock mounting bracket, the zip strip of middle part one for clashing into pendulum is connected with the drive device.
2. door of elevator striking experiment device according to claim 1, it is characterised in that：The bottom of the stand is provided with multiple
Several fixed supporting foots.
3. door of elevator striking experiment device according to claim 1, it is characterised in that：The door-plate mounting bracket is installed on
The outside of the stand, is provided with complex root locating rod on the inside of the stand.
4. door of elevator striking experiment device according to claim 3, it is characterised in that：The door-plate mounting bracket includes two
Cross bar and two montants being parallel to each other that root is parallel to each other, the cross bar is arranged in a mutually vertical manner with the montant, described in two
The two ends of cross bar are respectively arranged in two vertical chutes, and the two ends of two montants are respectively arranged in two horizontal strokes
On bar.
5. door of elevator striking experiment device according to claim 4, it is characterised in that：The cross bar is perpendicular to described perpendicular
Set to chute, the montant is set parallel to the vertical chute；The every cross bar is provided with a horizontal concrete chute, described perpendicular
The two ends of bar are slidably mounted in two horizontal concrete chutes of cross bar respectively, and two connecting rod phases of the middle part of the montant one
Even.
6. door of elevator striking experiment device according to claim 5, it is characterised in that：The cross bar and montant are can
Extended structure, the cross bar can be along the stretching of the bearing of trend of the cross bar or contraction, and the montant can be along the extension of the montant
Direction stretches or shrinks.
7. door of elevator striking experiment device according to claim 1, it is characterised in that：The top for clashing into mounting bracket
A support bar is provided with, the roller is installed on the front side of the support bar, and a hanging wheel, the branch are provided with rear side of the support bar
It is provided with a linking bar rolling-up mechanism in the middle part of strut, the top of the shock pendulum is by the linking bar by the roller and institute
State linking bar rolling-up mechanism to be connected, the middle part for clashing into pendulum is by the zip strip by the hanging wheel and the drive device
It is connected.
8. door of elevator striking experiment device according to claim 1, it is characterised in that：The bottom for clashing into mounting bracket
A plurality of universal wheels are provided with, the side of the universal wheel is additionally provided with detent mechanism.
9. door of elevator striking experiment device according to claim 1, it is characterised in that：The laser locating apparatus swash
Light transmitting terminal is set towards the front side of the shock mounting bracket.
10. door of elevator striking experiment device according to claim 7, it is characterised in that：It is additionally provided with the support bar
Meter counter, the meter counter is butted on the linking bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192355.9A CN106908211A (en) | 2017-03-28 | 2017-03-28 | A kind of door of elevator striking experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192355.9A CN106908211A (en) | 2017-03-28 | 2017-03-28 | A kind of door of elevator striking experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106908211A true CN106908211A (en) | 2017-06-30 |
Family
ID=59195749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710192355.9A Pending CN106908211A (en) | 2017-03-28 | 2017-03-28 | A kind of door of elevator striking experiment device |
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| CN (1) | CN106908211A (en) |
Cited By (8)
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| CN107345845A (en) * | 2017-07-17 | 2017-11-14 | 岳心怡 | A kind of anti-theft safety door is anti-to be swarmed into, soft impact performance test device |
| CN107941446A (en) * | 2017-12-13 | 2018-04-20 | 中铁第四勘察设计院集团有限公司 | A kind of repeated impact test device suitable for tunnel protection door |
| CN108918105A (en) * | 2018-05-07 | 2018-11-30 | 克莱斯电梯（中国）有限公司 | A kind of door of elevator impact test device |
| CN109580154A (en) * | 2018-12-11 | 2019-04-05 | 伯朗电梯（郴州）有限公司 | A kind of elevator door impact resistance detection device |
| CN109682695A (en) * | 2018-12-28 | 2019-04-26 | 重庆市计量质量检测研究院 | The anti-object collision performance detection device of railing and detection method |
| CN112014055A (en) * | 2020-08-30 | 2020-12-01 | 苏州铃木电梯有限公司 | Elevator landing door pendulum impact deformation test device and method |
| CN112345190A (en) * | 2020-11-06 | 2021-02-09 | 中国船舶重工集团公司第七0四研究所 | Sliding door body antiknock performance test's test device |
| CN112967586A (en) * | 2021-02-22 | 2021-06-15 | 中国人民解放军陆军装甲兵学院 | Pendulum bob impact system |
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| CN107941446A (en) * | 2017-12-13 | 2018-04-20 | 中铁第四勘察设计院集团有限公司 | A kind of repeated impact test device suitable for tunnel protection door |
| CN108918105A (en) * | 2018-05-07 | 2018-11-30 | 克莱斯电梯（中国）有限公司 | A kind of door of elevator impact test device |
| CN108918105B (en) * | 2018-05-07 | 2024-06-18 | 克莱斯电梯（中国）有限公司 | Elevator door plate impact testing device |
| CN109580154A (en) * | 2018-12-11 | 2019-04-05 | 伯朗电梯（郴州）有限公司 | A kind of elevator door impact resistance detection device |
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| CN112014055A (en) * | 2020-08-30 | 2020-12-01 | 苏州铃木电梯有限公司 | Elevator landing door pendulum impact deformation test device and method |
| CN112345190A (en) * | 2020-11-06 | 2021-02-09 | 中国船舶重工集团公司第七0四研究所 | Sliding door body antiknock performance test's test device |
| CN112345190B (en) * | 2020-11-06 | 2023-02-03 | 中国船舶重工集团公司第七0四研究所 | Sliding door body antiknock performance test's test device |
| CN112967586A (en) * | 2021-02-22 | 2021-06-15 | 中国人民解放军陆军装甲兵学院 | Pendulum bob impact system |
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