CN107324175A - A kind of anti-fall device for elevator - Google Patents

A kind of anti-fall device for elevator Download PDF

Info

Publication number
CN107324175A
CN107324175A CN201710612247.2A CN201710612247A CN107324175A CN 107324175 A CN107324175 A CN 107324175A CN 201710612247 A CN201710612247 A CN 201710612247A CN 107324175 A CN107324175 A CN 107324175A
Authority
CN
China
Prior art keywords
elevator
fall
supporting plate
post
buffer board
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.)
Pending
Application number
CN201710612247.2A
Other languages
Chinese (zh)
Inventor
毛艳慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710612247.2A priority Critical patent/CN107324175A/en
Publication of CN107324175A publication Critical patent/CN107324175A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/28Buffer-stops for cars, cages, or skips
    • B66B5/282Structure thereof

Landscapes

  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

The present invention discloses a kind of anti-fall device for elevator, including bearing platform, and the bearing platform is located in elevator, is placed in the lower section of the elevator;Anti-fall post, is fixedly mounted on the lower end position of the bearing platform;Supporting plate, in elevator, is placed in the lower section of the bearing platform, and supporting plate centre bore is provided with the supporting plate, for being provided for the anti-fall post through space, and the supporting plate is used to provide support;Storage case, is fixedly mounted on the underface of the supporting plate;And adhesion agent, it is placed in the storage case, for providing resistance for the anti-fall post.Provided by the present invention for elevator anti-fall device by the lower section of car be provided with anti-fall post, anti-fall post is set to pass through the supporting plate centre bore of supporting plate, penetrate in the adhesion agent in storage case, because adhesion agent viscosity is higher, the resistance slowly buffered can be provided for anti-fall post, and then the resistance slowly buffered is provided for elevator, realize the anti-fall of elevator.

Description

A kind of anti-fall device for elevator
Technical field
The invention belongs to elevator protection technology field, specifically, the present invention relates to a kind of anti-fall device for elevator.
Background technology
Modem elevator is main by traction machine, guide rail, counterweight, safety device, signal manipulation system, car and hall door etc. Composition.These parts are separately mounted in the hoistway and computer room of building.Present man lift is micro-processor controlled intelligence Change, automation equipment, it is not necessary to special personnel operate, as long as revenue passenger is taken and operated the elevator be by normal procedure Can.
Along with the explosive growth of elevator, the thing followed is the high of elevator accident.United according to national Minister of the General Administration for Quality Supervision Elevator accident 70 occurs for meter, China in 2013, accident quantity and dead data accounted for special equipment 30.83% and 19.72%, elevator safety turns into the new hidden danger of municipal public safety.From the point of view of specific, the reason for causing elevator accident includes:In violation of rules and regulations Operation accounts for 62.7%, equipment deficiency and accounts for 22.7%, surprisingly accounts for 8%, illegal to account for 6.6% using equipment.Wherein equipment deficiency is main The mode of generation is pendant ladder;How to prevent used during elevator falling from then turning into the task of top priority.
It is used to prevent the method for used during elevator falling from having much in the prior art, such as applying date is on December 14th, 2016, application Number for 201611150345.0, the Chinese patent document of entitled " elevator crash protection ", including car, guide rail and sedan-chair frame, Car inwall is provided with car danger button, and sedan-chair, which sets up to hit, is provided with limit switch at bow, guide rail, cage bottom is provided with strong magnetic Iron, strong magnets are arranged right below wound around coil around iron core, iron core, and coil one end is connected to power supply, the connection of the coil other end Resistance, power supply is provided with power-off signal wireless launcher, and power supply one end is connected to magnetic pole and iron core below resistance, strong magnets The magnetic pole of top repels each other in the case of energization, car danger button, or hits bow touching limit switch, can form closure electricity Road, limit switch quantity is 3, and limit switch and resistance formation parallel circuit, power supply are in parallel with power-off signal wireless launcher. The patent document, which has, makes elevator in failure, and safe stop device can not start, cause elevator or jacking equipment stall, no Can at a high speed decline and crash, it is ensured that elevator and passenger it is safe the characteristics of.When elevator falls, it can not be risen by electric control To anti-fall effect, and situation about powering off suddenly is there is also, this directly results in above-mentioned elevator crash protection failure.
The content of the invention
It is an object of the invention to provide a kind of anti-fall device for elevator, at least to solve present in prior art Elevator occurs accident and causes the technical problem of crash.
In order to solve the above problems, the present invention provides a kind of anti-fall device for elevator, and its technical scheme is as follows:
A kind of anti-fall device for elevator, including bearing platform, the bearing platform are located in elevator, are placed in institute The lower section of elevator is stated, for providing undertaking;Anti-fall post, is fixedly mounted on the lower end position of the bearing platform;Supporting plate, is located at In elevator, the lower section of the bearing platform is placed in, supporting plate centre bore is provided with the supporting plate, for be described anti-fall Post is provided through space, and the supporting plate is used to provide support;Storage case, is fixedly mounted on the underface of the supporting plate, uses In offer receiving space;And adhesion agent, it is placed in the storage case, for providing resistance for the anti-fall post.
It is described above to be used for the anti-fall device of elevator, more preferably:The anti-fall post is taper knot wide at the top and narrow at the bottom Structure.
It is described above to be used for the anti-fall device of elevator, more preferably:It is provided with anti-fall in the periphery of the anti-fall post Plate.
It is described above to be used for the anti-fall device of elevator, more preferably:Also include buffer board, set on the buffer board Have buffer board centre bore, the buffer board is arranged in the elevator, and positioned at the bearing platform and the supporting plate it Between position, for providing cushion effect for the elevator.
It is described above to be used for the anti-fall device of elevator, more preferably:Also include buffer spring, the buffer spring position Position between the buffer board and the supporting plate, for providing cushion effect for the elevator.
It is described above to be used for the anti-fall device of elevator, more preferably:The buffer spring is two or more, is uniformly set Put the position between the buffer board and the supporting plate.
It is described above to be used for the anti-fall device of elevator, more preferably:Two are provided with the lower surface of the buffer board Positioning boss in the above, the upper end of the buffer spring, which is corresponded, to be placed on the upper positioning boss, the upper convex Platform provides top positioning for the buffer spring;Positioning boss under two or more is provided with the upper surface of the supporting plate, it is described The bottom of buffer spring corresponds and is placed on the lower positioning boss, and the lower positioning boss provides for the buffer spring Bottom is positioned.
It is described above to be used for the anti-fall device of elevator, more preferably:Also include collection box, set in the supporting plate There are recovery holes, the recovery holes are connected with the collection box by recovery pipe, the collection box is used to reclaim the adhesion agent.
It is described above to be used for the anti-fall device of elevator, more preferably:Support frame is provided with the bottom of the storage case.
It is described above to be used for the anti-fall device of elevator, more preferably:The height of the anti-fall post is less than described accommodate Height between the bottom of case and the buffer board.
Analysis understands that compared with prior art, the advantages of the present invention are:
Accepted provided by the present invention for the anti-fall device of elevator by provided with bearing platform, making to be located in the lower section of elevator The anti-fall post of platform lower end passes through the supporting plate centre bore of supporting plate, penetrates in the adhesion agent in storage case, due to adhesion agent Viscosity is higher, and the resistance slowly buffered can be provided for anti-fall post, and then the resistance slowly buffered is provided for elevator, realizes electricity Terraced is anti-fall.The cooperation of anti-fall post and adhesion agent that the present invention is designed, changes the cognition that conventional column construction plays resistance, prevents Pendant post penetrates the higher adhesion agent of viscosity, and adhesion agent can slowly reduce the speed of anti-fall post (i.e. elevator), due to accommodating What is accommodated in case is adhesion agent, can prevent elevator from contacting firmly with ground to cause sensual damage to the personnel in elevator;Furthermore The anti-fall post of the present invention is penetrated in adhesion agent, is not in the effect up rebounded, can so be avoided to the personnel in elevator Cause spiritual damage so that the present invention is with good anti-drop function and avoids the falling to the personnel in elevator of elevator The characteristics of causing damage.
Brief description of the drawings
Fig. 1 is the structural representation (normal operating conditions of the anti-fall device for elevator of the preferred embodiment of the present invention When);
Fig. 2 is the structural representation of the anti-fall device for elevator of the preferred embodiment of the present invention (during fall condition).
In figure:1- elevators;2- elevators;21- hoist ropes;The anti-fall posts of 3-;The anti-fall plates of 31-;4- buffer boards;41- buffer boards Centre bore;The upper positioning boss of 42-;5- buffer springs;6- supporting plates;61- supporting plate centre bores;62- supporting plate recovery holes;63- Lower positioning boss;7- storage cases;71- adhesion agents;72- support frames;8- collection boxes;81- recovery pipes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1 and Figure 2, the anti-fall device for elevator of the preferred embodiment of the present invention mainly includes bearing platform, position In in elevator 1, the lower section of elevator 2 is placed in, for providing undertaking;Anti-fall post 3, is fixedly mounted on the lower end position of bearing platform Put;Supporting plate 6, in elevator 1, is placed in the lower section of bearing platform, and supporting plate centre bore 61 is provided with supporting plate 6, uses There is provided in for anti-fall post 3 through space, supporting plate 6 is used to provide support;Storage case 7, be fixedly mounted on supporting plate 6 just under Side, for providing receiving space;With adhesion agent 71, it is placed in storage case 7, for providing resistance for anti-fall post 3.
Sum it up, provided by the present invention for elevator anti-fall device by the lower section of elevator 2 be provided with bearing platform, The anti-fall post 3 positioned at bearing platform lower end is passed through the supporting plate centre bore 61 of supporting plate 6, penetrate sticky in storage case 7 In agent 71, because the viscosity of adhesion agent 71 is higher, the resistance slowly buffered can be provided for anti-fall post 3, and then provide for elevator 2 The resistance slowly buffered, realizes the anti-fall of elevator 2.The cooperation of anti-fall post 3 and adhesion agent 71 that the present invention is designed, changes routine Column construction plays the cognition of resistance, and anti-fall post 3 penetrates the higher adhesion agent 71 of viscosity, and adhesion agent 71 can slowly reduce anti- The speed of post 3 (i.e. elevator 2) is fallen, is adhesion agent 71 due to what is accommodated in storage case 7, can prevent elevator 2 from being contacted firmly with ground Sensual damage is caused to the personnel in elevator 2;Furthermore the anti-fall post 3 of the present invention is penetrated in adhesion agent 71, is not in past The effect of upper bounce-back, can so avoid causing spiritual damage to the personnel in elevator 2 so that the present invention has good Anti-drop function and the characteristics of damage is caused to the personnel in elevator of falling for avoiding elevator 2.
In order to strengthen the anti-drop function of anti-fall post 3, as shown in Figure 1 and Figure 2, anti-fall post 3 of the invention is cone wide at the top and narrow at the bottom Shape structure, present invention selection pyramidal structure wide at the top and narrow at the bottom can increase anti-fall post 3 and adhesion agent slowly as anti-fall post 3 Effective contact area between 71, and then cushion effect slowly is improved for elevator 2, realize the anti-drop function of elevator 2.In order to enter one Walk the anti-drop function of strong anti-fall post 3, as shown in Figure 1 and Figure 2, the present invention is provided with anti-fall plate 31 in the periphery of anti-fall post 3, prevents The effective diameter for falling the formation of plate 31 is less than the diameter of supporting plate centre bore 61, is preferably, and the number of anti-fall plate 31 is more than three, In being uniformly arranged.The effective diameter of the anti-fall plate 31 of the present invention refers to that the outer end of anti-fall plate 31 extends the annular diameter of formation. Simultaneously in order to prevent the gravity of anti-fall post 3 is excessive from causing bad reaction, anti-fall post 3 of the invention is the lightweight materials such as aluminium alloy It is made, so not only can guarantee that the hardness and endurance of anti-fall post 3 but also can guarantee that makes the anti-fall lighting of post 3.
In order to provide a cushion effect between anti-fall post 3 and adhesion agent 71, as shown in Figure 1 and Figure 2, the present invention is also Including buffer board 4, buffer board centre bore 41 is provided with buffer board 4, buffer board 4 is arranged in elevator 1, and it is flat positioned at accepting Position between platform and supporting plate 6, for providing cushion effect for elevator 2.When elevator 2 falls, elevator 2 falls in advance is accepting flat On platform, anti-fall post 3 is set first to be inserted in adhesion agent 71, slowly to whereabouts, then bearing platform touches buffer board 4, buffer board 4 An extra cushion effect is provided for bearing platform (i.e. elevator 2), speed and time that elevator 2 falls further is slow down. In the present invention, buffer board 4 is rubber slab.
In order to slow down speed and the time of used during elevator falling again, as shown in Figure 1 and Figure 2, present invention additionally comprises buffer spring 5, Buffer spring 5 is located at the position between buffer board 4 and supporting plate 6, for providing cushion effect for elevator 2.Now fallen in elevator 2 When, elevator 2 falls on bearing platform in advance, anti-fall post 3 is first inserted in adhesion agent 71, slowly to whereabouts, then accepts flat Platform touches buffer board 4, and buffer board 4 is that bearing platform (i.e. elevator 2) provides an extra cushion effect, further slow down electricity Speed and time that ladder 2 falls;Along with the effect of buffer spring 5, a upward elastic force can be formed, now due to anti-fall Post 3 is already inserted into adhesion agent 71, will not move up elevator 2, can only reduce the dynamics of the tenesmus of elevator 2, buffering elastic The cushion effect of spring 5 counteracts a part of power of the tenesmus of elevator 2.In the present invention, buffer spring 5 is up-narrow and down-wide Conical Projectile Spring, the present invention uses volute spring, can strengthen buffering dynamics.The buffer spring 5 of the present invention can be a spring, buffering elastic The lower end external diameter of spring 5 is less than the internal diameter of elevator 1, and the upper-end inner diameter of buffer spring 5 is more than the outside diameter of anti-fall post 3 less than slow The diameter of the buffer board centre bore 41 of punching 4.But in practical operation, the difficulty of processing of buffer spring 5 can be increased and install difficult Degree;Therefore, the buffer spring 5 of the present invention is two or more, the position between buffer board 4 and supporting plate 6 is uniformly arranged on.In order to Buffer spring 5 is prevented due to being caused buffer spring 5 to shift by very big tenesmus dynamics, as shown in Figure 1 and Figure 2, the present invention is slow The lower surface of punching 4 is provided with positioning boss 41 in two or more, and the upper end of buffer spring 4, which is corresponded, is placed in positioning boss On 41, upper positioning boss 41 is that buffer spring 4 provides top positioning;The present invention is provided with two or more in the upper surface of supporting plate 6 Lower positioning boss 63, the bottom of buffer spring 4, which is corresponded, to be placed on lower positioning boss 63, and lower positioning boss 63 is buffering elastic Spring 4 provides bottom positioning.
For the ease of the recovery of adhesion agent 71, as shown in Figure 1 and Figure 2, present invention additionally comprises collection box 8, in supporting plate 62 Provided with recovery holes 62, recovery holes 62 are connected with collection box 8 by recovery pipe 81, and collection box 8 is used to reclaim adhesion agent 71.When anti- Pendant post 3 is penetrated in storage case 7, and the adhesion agent 71 in storage case 7 can overflow on the net, and the adhesion agent 71 of spilling passes through recovery tube Road 81 is entered in collection box 8, realizes the recovery of adhesion agent 71.
For the ease of the placement of storage case 7, as shown in Figure 1 and Figure 2, the present invention is provided with support frame in the bottom of storage case 7 72.So when storage case 7 is placed on into elevator 1, without the rubbish thorough cleaning in elevator 1 is clean, it can play Saving time and the effect for saving manpower.
In order to make adhesion agent 71, buffer board 4 and buffer spring 5 all play cushioning effect, as shown in Figure 1 and Figure 2, this The height of the anti-fall post 3 of invention is less than the height between the bottom of storage case 7 and buffer board 4;The buffer board 4 of the present invention and support Highly it is more than the height between storage case 7 and supporting plate 6 between plate 6, anti-fall post 3 is penetrated adhesion agent 71 in advance It is interior, then cushion effect, the cushion effect of buffer spring 5 by buffer board 4 realize slowing down for the lapse rate of elevator 2.
As shown in Figure 1 and Figure 2, the course of work below to the present invention elaborates:
It is quick between the meeting of elevator 2 when the hoist ropes 21 for being placed in the upper end of elevator 2 breaks down or broken in elevator 1 Tenesmus;
Elevator 2 falls on bearing platform, the adhesion agent 71 for making the anti-fall post 3 of bearing platform lower end penetrate in storage case 7 In, realize the first pooling feature;
When elevator 2 drops, bearing platform is set to touch buffer board 4, the cushion effect combination adhesion agent 71 of buffer board 4 is buffered Power, realizes the second pooling feature;
When elevator 2 continues to drop, it is pressed in the bearing platform of buffer board 4 (i.e. elevator 2) pressure and is applied on buffer spring 5, Buffer spring 5 is that elevator 2 provides a bounce, now because anti-fall post 3 is pricked in adhesion agent 71, elevator 2 will not be allowed upward Bounce-back, only can provide a cushion effect to elevator 2, realize the 3rd pooling feature;
And while bearing platform contacts buffer board 4, the bounce of the pressure contact buffer spring 5 of elevator 2, anti-fall post 3 are pricked in the adhesion agent 71 of storage case 7 always, and elevator 2 can be made, all in the process slowly declined, to be reached most in each stage Whole anti-drop function.
Analysis understands that compared with prior art, the advantages of the present invention are:
Held provided by the present invention for the anti-fall device of elevator by provided with bearing platform, making to be located in the lower section of elevator 2 The anti-fall post 3 for connecing platform lower end passes through the supporting plate centre bore 61 of supporting plate 6, penetrates in the adhesion agent 71 in storage case 7, by It is higher in the viscosity of adhesion agent 71, the resistance slowly buffered can be provided for anti-fall post 3, and then provide and slowly buffer for elevator 2 Resistance, realize the anti-fall of elevator 2.The cooperation of anti-fall post 3 and adhesion agent 71 that the present invention is designed, changes conventional column construction The cognition of resistance is played, anti-fall post 3 penetrates the higher adhesion agent 71 of viscosity, and adhesion agent 71 can slowly reduce anti-fall post 3 (i.e. Elevator 2) speed, be adhesion agent 71 due to what is accommodated in the storage case 7, can prevent elevator 2 from being contacted firmly in elevator 2 with ground Personnel cause sensual damage;Furthermore the anti-fall post 3 of the present invention is penetrated in adhesion agent 71, is not in the work up rebounded With can so avoid causing spiritual damage to the personnel in elevator 2 so that the present invention has good anti-drop function simultaneously And avoid the characteristics of damage is caused to the personnel in elevator of falling of elevator 2.
As known by the technical knowledge, the present invention can be by the embodiment party of other essence or essential feature without departing from its spirit Case is realized.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only.Institute Have within the scope of the present invention or be included in the invention in the change being equal in the scope of the present invention.

Claims (10)

1. a kind of anti-fall device for elevator, it is characterised in that including:
Bearing platform, the bearing platform is located in elevator, the lower section of the elevator is placed in, for providing undertaking;
Anti-fall post, is fixedly mounted on the lower end position of the bearing platform;
Supporting plate, in elevator, is placed in the lower section of the bearing platform, and supporting plate center is provided with the supporting plate Hole, for being provided for the anti-fall post through space, the supporting plate is used to provide support;Storage case, is fixedly mounted on described The underface of supporting plate, for providing receiving space;With
Adhesion agent, is placed in the storage case, for providing resistance for the anti-fall post.
2. the anti-fall device according to claim 1 for elevator, it is characterised in that:
The anti-fall post is pyramidal structure wide at the top and narrow at the bottom.
3. the anti-fall device according to claim 1 or 2 for elevator, it is characterised in that:
Anti-fall plate is provided with the periphery of the anti-fall post.
4. the anti-fall device according to claim 1 or 2 for elevator, it is characterised in that also include:
Buffer board, is provided with buffer board centre bore, the buffer board is arranged in the elevator, and is located on the buffer board Position between the bearing platform and the supporting plate, for providing cushion effect for the elevator.
5. the anti-fall device according to claim 4 for elevator, it is characterised in that also include:
Buffer spring, the buffer spring is located at position between the buffer board and the supporting plate, for for the elevator Cushion effect is provided.
6. the anti-fall device according to claim 5 for elevator, it is characterised in that:
The buffer spring is two or more, is uniformly arranged on the position between the buffer board and the supporting plate.
7. the anti-fall device according to claim 6 for elevator, it is characterised in that:
In the lower surface of the buffer board provided with positioning boss in two or more, the upper end of the buffer spring, which is corresponded, puts In on the upper positioning boss, the upper positioning boss provides top positioning for the buffer spring;
Positioning boss under two or more is provided with the upper surface of the supporting plate, the bottom of the buffer spring, which is corresponded, puts In on the lower positioning boss, the lower positioning boss provides bottom positioning for the buffer spring.
8. the anti-fall device according to claim 1 or 2 for elevator, it is characterised in that also include:
Collection box, is provided with recovery holes in the supporting plate, and the recovery holes are connected with the collection box by recovery pipe, institute Stating collection box is used to reclaim the adhesion agent.
9. the anti-fall device according to claim 1 or 2 for elevator, it is characterised in that:
Support frame is provided with the bottom of the storage case.
10. the anti-fall device according to claim 4 for elevator, it is characterised in that:
The height of the anti-fall post is less than the height between the bottom of the storage case and the buffer board.
CN201710612247.2A 2017-07-25 2017-07-25 A kind of anti-fall device for elevator Pending CN107324175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710612247.2A CN107324175A (en) 2017-07-25 2017-07-25 A kind of anti-fall device for elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710612247.2A CN107324175A (en) 2017-07-25 2017-07-25 A kind of anti-fall device for elevator

Publications (1)

Publication Number Publication Date
CN107324175A true CN107324175A (en) 2017-11-07

Family

ID=60226685

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710612247.2A Pending CN107324175A (en) 2017-07-25 2017-07-25 A kind of anti-fall device for elevator

Country Status (1)

Country Link
CN (1) CN107324175A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108892018A (en) * 2018-08-22 2018-11-27 谢茂福 A kind of used during elevator falling potential energy conversion equipment and method
CN110685431A (en) * 2019-11-01 2020-01-14 中国建筑第八工程局有限公司 Climbing type elevator shaft construction operation platform and construction method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5497951A (en) * 1978-01-18 1979-08-02 Hitachi Ltd Hydraulic elevator
JPS54115853A (en) * 1978-02-28 1979-09-08 Oil Drive Kogyo Ltd Safety device of oil pressure elevator
CN201284812Y (en) * 2008-11-04 2009-08-05 北京金自天和缓冲技术有限公司 Elastic colloid buffer
CN203023378U (en) * 2013-01-14 2013-06-26 无锡伏尔康科技有限公司 Damping device in spring damping vibration isolator
CN203513024U (en) * 2013-09-22 2014-04-02 北京建筑工程学院 Shear thickening fluid elevator pit bottom buffer
CN105110134A (en) * 2015-09-14 2015-12-02 恒达富士电梯有限公司 Protective pit structure for passenger lift
CN205602897U (en) * 2016-03-22 2016-09-28 盐城市创颖知识产权服务有限公司 Elevator is car buffer for pit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5497951A (en) * 1978-01-18 1979-08-02 Hitachi Ltd Hydraulic elevator
JPS54115853A (en) * 1978-02-28 1979-09-08 Oil Drive Kogyo Ltd Safety device of oil pressure elevator
CN201284812Y (en) * 2008-11-04 2009-08-05 北京金自天和缓冲技术有限公司 Elastic colloid buffer
CN203023378U (en) * 2013-01-14 2013-06-26 无锡伏尔康科技有限公司 Damping device in spring damping vibration isolator
CN203513024U (en) * 2013-09-22 2014-04-02 北京建筑工程学院 Shear thickening fluid elevator pit bottom buffer
CN105110134A (en) * 2015-09-14 2015-12-02 恒达富士电梯有限公司 Protective pit structure for passenger lift
CN205602897U (en) * 2016-03-22 2016-09-28 盐城市创颖知识产权服务有限公司 Elevator is car buffer for pit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
周云: "《粘滞阻尼减震结构涉及理论及应用》", 31 August 2013, 武汉理工大学出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108892018A (en) * 2018-08-22 2018-11-27 谢茂福 A kind of used during elevator falling potential energy conversion equipment and method
CN108892018B (en) * 2018-08-22 2019-11-08 林惠英 A kind of used during elevator falling potential energy conversion equipment and method
CN110685431A (en) * 2019-11-01 2020-01-14 中国建筑第八工程局有限公司 Climbing type elevator shaft construction operation platform and construction method thereof

Similar Documents

Publication Publication Date Title
CN107324175A (en) A kind of anti-fall device for elevator
CN202226493U (en) Lower mechanical preventing device of elevator
CN108046081A (en) A kind of elevator rope break protective device
CN208531953U (en) A kind of big carrying quick release device
CN212807552U (en) Automatic drop hammer device of drop hammer impact testing machine
CN107324177A (en) A kind of anti-fall device suitable for elevator
CN206108606U (en) Elevator overspeed protective device
CN209210165U (en) A kind of offshore drill repairs the manned cage of motor-pumped well frame steel
CN201793300U (en) Elevator
CN102398830A (en) Dragging system arrangement structure for 4:1 small machine room elevators
CN208060121U (en) A kind of freely falling body impact test apparatus
CN202296743U (en) Counterweight housing device for inclination of inverse rope sheave
CN205709338U (en) Console model over-speed governor tensioning apparatus
CN207336261U (en) A kind of building safety plain net impact test apparatus
CN207738271U (en) Spring-loaded tensioners for household ladder
CN208054666U (en) A kind of villa ladder over-speed governor tensioning apparatus
CN201897730U (en) Simulation lift shaft for function test of lift control system
CN207470112U (en) A kind of ladder for building
CN206521170U (en) A kind of elevator anti-dropping apparatus for building
CN210597257U (en) Foundation bearing capacity detection device for architectural design
CN214087229U (en) Special villa elevator structure
CN204751968U (en) From rising special lifting device power supply cable protection device
CN205838243U (en) A kind of elevator with anti-locking apparatus
CN205442323U (en) Elevator compensating rope rises and tightly installs
CN111017766A (en) Component rotating device of steel structure building

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20171107

RJ01 Rejection of invention patent application after publication