CN205397772U - Elevator pit buffer - Google Patents

Elevator pit buffer Download PDF

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Publication number
CN205397772U
CN205397772U CN201620035282.3U CN201620035282U CN205397772U CN 205397772 U CN205397772 U CN 205397772U CN 201620035282 U CN201620035282 U CN 201620035282U CN 205397772 U CN205397772 U CN 205397772U
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CN
China
Prior art keywords
shock
absorbing spring
buffer
cushion chamber
support member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620035282.3U
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Chinese (zh)
Inventor
沈永强
王连兴
李国林
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.)
HANGZHOU HANGJIA SPECIAL SPRING Co Ltd
Original Assignee
HANGZHOU HANGJIA SPECIAL SPRING Co Ltd
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.)
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Priority to CN201620035282.3U priority Critical patent/CN205397772U/en
Application granted granted Critical
Publication of CN205397772U publication Critical patent/CN205397772U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Cage And Drive Apparatuses For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The utility model relates to a craspedodrome elevator security technical field relates to an elevator pit buffer. It includes support body and vibration damper body, the support body is vertical locate the elevator pit in, the vibration damper body is located on the support body, the support body includes the support base, and the structure has the ascending column cushion chamber of opening in the support base, in the cushion chamber endwise slip be connected with support piece, be equipped with the buffering box between support piece and cushion chamber, the vibration damper body is including being used for the vibration base that is connected with support piece upper end, and it has the ascending column damping chamber of opening to construct in the vibration base, the endwise slip of damping intracavity be equipped with the slide bar, be equipped with the shock -absorbing spring between slide bar and damping chamber. The utility model discloses can cushion elevator car better.

Description

Elevator pit buffer unit
Technical field
The present invention relates to craspedodrome elevator technical field of security, specifically, relate to a kind of elevator pit buffer unit.
Background technology
Current lift running safety only rests in the safety inspection to elevator, maintaining, although examination and maintenance maintenance on schedule, elevator safety accident still occurs, and in elevator accident, falling accident is the most serious security incident.Buffer is last link of elevator safety system, elevator break down or accident as squat the end time play the effect of buffering, thus the people alleviated in elevator or elevator is from direct shock.
Existing elevator pit buffer unit, when there is falling accident, lift car is in that the moment that buffer unit touches can be subject to a bigger impulsive force, thus easily causing the injures and deaths of personnel in car.
Summary of the invention
In order to overcome certain or some defect of prior art, the invention provides a kind of elevator pit buffer unit.
Elevator pit buffer unit according to the present invention, it includes rack body and vibration absorber body, and rack body is vertically located in elevator pit, and vibration absorber body is located on rack body;
Rack body includes bracket base, is configured with the column cushion chamber of opening upwards in bracket base, is connected to support member in axial sliding, is provided with buffer pocket between support member and cushion chamber in cushion chamber;Buffer pocket includes housing, is filled with multiple buffering ring in housing, and the axis of arbitrary buffering ring is all vertical with the axis of cushion chamber;
Vibration absorber body includes the damping base for being connected with support member upper end, is configured with the column vibration damping chamber of opening upwards in damping base, and vibration damping intracavity is provided with sliding bar in axial sliding;It is provided with shock-absorbing spring between sliding bar and vibration damping chamber, shock-absorbing spring includes the first shock-absorbing spring, the second shock-absorbing spring and the 3rd shock-absorbing spring, second shock-absorbing spring is set in the first shock-absorbing spring and length is lower than the length of the first shock-absorbing spring, and the 3rd shock-absorbing spring is set in the second shock-absorbing spring and length is lower than the length of the second shock-absorbing spring.
In the elevator pit buffer unit of the present invention, rack body and vibration absorber body can be included, wherein the decline momentum of lift car all can be cushioned by rack body and vibration absorber body such that it is able to effectively to absorbing the impulsive force produced in lift car drop event.
In the elevator pit buffer unit of the present invention, buffer pocket can be provided with in rack body, buffer pocket can include the housing of aluminum alloy material, the buffering ring of multiple aluminum alloy material can be filled with in housing, this structure makes, when there is lift car falling accident, the underriding power that lift car is huge can be passed through support member and conduct to buffer pocket place, can preferably the momentum of lift car be cushioned by caving in of buffer pocket.
In the elevator pit buffer unit of the present invention, this internal first shock-absorbing spring that can include from outer to inner setting gradually and length shortens successively of vibration absorber, second shock-absorbing spring and the 3rd shock-absorbing spring, this structure makes, when there is lift car falling accident, first lift car can contact the first shock-absorbing spring, contact the second shock-absorbing spring and the 3rd shock-absorbing spring afterwards successively, owing to the rigidity of the first shock-absorbing spring is relatively low, it is thus possible to preferably reduce lift car and vibration absorber body contacts moment impact force, afterwards by arranging the second shock-absorbing spring and the 3rd shock-absorbing spring, the decline kinetic energy of lift car can also be absorbed largely.
As preferably, cushion chamber inwall is configured with stroke track vertically, and support member outer wall configuration has the guiding projection coordinated with stroke track.
In the elevator pit buffer unit of the present invention, cushion chamber inwall can be configured with stroke track vertically, support member outer wall can be configured with the guiding projection coordinated with stroke track such that it is able to preferably avoids causing that rack body loses cushioning effect because support member and cushion chamber are stuck.
As preferably, support member upper end is provided with the resettlement groove for placing damping base.
In the elevator pit buffer unit of the present invention, support member upper end can be provided with the resettlement groove for placing damping base, so that rack body and vibration absorber body can preferably connect.
As preferably, buffer pocket includes the first buffer pocket being positioned in the middle part of cushion chamber, and the first buffer pocket surrounding is surrounded with multiple second buffer pocket, and the height of arbitrary second buffer pocket is below the height of the first buffer pocket.
In the elevator pit buffer unit of the present invention, buffer pocket can be provided with multiple, and it is highly different, this makes support member can first contact buffer pocket higher, contact relatively low buffer pocket afterwards successively, thus lift car and buffer unit Contact impact force can not only preferably be reduced, additionally it is possible to preferably absorb the decline kinetic energy of lift car.
In order to overcome certain or some defect of prior art, present invention also offers a kind of buffer of elevator support, it can preferably apply in any of the above-described kind of elevator pit buffer unit.
Buffer of elevator support according to the present invention, it includes rack body, and rack body includes bracket base, is configured with the column cushion chamber of opening upwards in bracket base, is connected to support member in axial sliding, is provided with buffer pocket between support member and cushion chamber in cushion chamber;Buffer pocket includes housing, is filled with multiple buffering ring in housing, and the axis of arbitrary buffering ring is all vertical with the axis of cushion chamber.
In the buffer of elevator support of the present invention, buffer pocket can be provided with in rack body, buffer pocket can include the housing of aluminum alloy material, the buffering ring of multiple aluminum alloy material can be filled with in housing, this structure makes, when there is lift car falling accident, the underriding power that lift car is huge can be passed through support member and conduct to buffer pocket place, can preferably the momentum of lift car be cushioned by caving in of buffer pocket.
As preferably, cushion chamber inwall is configured with stroke track vertically, and support member outer wall configuration has the guiding projection coordinated with stroke track.
In the buffer of elevator support of the present invention, cushion chamber inwall can be configured with stroke track vertically, support member outer wall can be configured with the guiding projection coordinated with stroke track such that it is able to preferably avoids causing that rack body loses cushioning effect because support member and cushion chamber are stuck.
As preferably, buffer pocket includes the first buffer pocket being positioned in the middle part of cushion chamber, and the first buffer pocket surrounding is surrounded with multiple second buffer pocket, and the height of arbitrary second buffer pocket is below the height of the first buffer pocket.
In the buffer of elevator support of the present invention, buffer pocket can be provided with multiple, and it is highly different, this makes support member can first contact buffer pocket higher, contact relatively low buffer pocket afterwards successively, thus lift car and buffer unit Contact impact force can not only preferably be reduced, additionally it is possible to preferably absorb the decline kinetic energy of lift car.
In order to overcome certain or some defect of prior art, present invention also offers a kind of variable rate spring vibration absorber, it can preferably apply in any of the above-described kind of elevator pit buffer unit.
Variable rate spring vibration absorber according to the present invention, it includes vibration absorber body, and vibration absorber body includes damping base, is configured with the column vibration damping chamber of opening upwards in damping base, and vibration damping intracavity is provided with sliding bar in axial sliding;It is provided with shock-absorbing spring between sliding bar and vibration damping chamber, shock-absorbing spring includes the first shock-absorbing spring, the second shock-absorbing spring and the 3rd shock-absorbing spring, second shock-absorbing spring is set in the first shock-absorbing spring and length is lower than the length of the first shock-absorbing spring, and the 3rd shock-absorbing spring is set in the second shock-absorbing spring and length is lower than the length of the second shock-absorbing spring.
In the variable rate spring vibration absorber of the present invention, this internal first shock-absorbing spring that can include from outer to inner setting gradually and length shortens successively of vibration absorber, second shock-absorbing spring and the 3rd shock-absorbing spring, this structure makes, when there is lift car falling accident, first lift car can contact the first shock-absorbing spring, contact the second shock-absorbing spring and the 3rd shock-absorbing spring afterwards successively, owing to the rigidity of the first shock-absorbing spring is relatively low, it is thus possible to preferably reduce lift car and vibration absorber body contacts moment impact force, afterwards by arranging the second shock-absorbing spring and the 3rd shock-absorbing spring, the decline kinetic energy of lift car can also be absorbed largely.
As preferably, sliding bar bottom extends outside the slide contact part being configured for being slidably matched with vibration damping cavity wall, and vibration damping chamber opening part becomes the limiting section for slide contact part is limited in vibration damping intracavity to inner circumferential contracted configurations.
In the variable rate spring vibration absorber of the present invention, vibration damping intracavity can be limited in bottom sliding bar such that it is able to preferably avoid coming off of sliding bar.
As preferably, the length ratio of the first shock-absorbing spring, the second shock-absorbing spring and the 3rd shock-absorbing spring is 3:2:1.
In the variable rate spring vibration absorber of the present invention, the length ratio of the first shock-absorbing spring, the second shock-absorbing spring and the 3rd shock-absorbing spring can be 3:2:1 such that it is able to preferably the decline kinetic energy of lift car is absorbed by segmentation.
Accompanying drawing explanation
Fig. 1 is the rack body schematic diagram of the buffer of elevator support in embodiment 1;
Fig. 2 is the A-A schematic diagram of Fig. 1;
Fig. 3 is the B-B schematic diagram of Fig. 1;
Fig. 4 is the schematic diagram of the vibration absorber body of the variable rate spring vibration absorber in embodiment 2;
Fig. 5 is the C-C schematic diagram of Fig. 4.
Detailed description of the invention
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.It should be appreciated that embodiment be only the present invention made an explanation and and non-limiting.
Embodiment 1
As it is shown in figure 1, present embodiments provide a kind of buffer of elevator support, it includes rack body 100.Rack body 100 includes bracket base 110, is configured with the column cushion chamber 111 of opening upwards in bracket base 110, is connected to support member 120 in cushion chamber 111 in axial sliding.Cushion chamber 111 inwall is configured with stroke track 112 vertically, and support member 120 outer wall configuration has the guiding projection 121 coordinated with stroke track 112.Support member 120 sidewall be additionally provided with location hole 123, cushion chamber 111 sidewall is additionally provided with detent mechanism 140, by detent mechanism 140 with position hole 123 coordinate the opening part that can preferably support member 120 be positioned at cushion chamber 111.Being provided with buffer pocket 130 between support member 120 and cushion chamber 111, buffer pocket 130 includes housing 131, is filled with multiple buffering ring 132 in housing 131, and the axis of arbitrary buffering ring 132 is all vertical with the axis of cushion chamber 111.
As in figure 2 it is shown, the quantity of stroke track 112 and detent mechanism 140 is 7 and alternate is distributed on cushion chamber 111 sidewall vertically, guiding projection 121 and hole 123, location all correspond to 7.Detent mechanism 140 includes radially setting and the positioning chamber on cushion chamber 111 sidewall, inside positioning chamber, bore is gradually reduced, positioning chamber from-inner-to-outer is sequentially provided with detent ball 210, location spring 220 and blank cover 230, blank cover 230 is for being limited in positioning chamber by detent ball 210 and location spring 220, and location spring 220 is for compressing detent ball 210 to support member 120 side.
In this enforcement, by detent ball 210 and coordinating of positioning hole 123, making under normality, support member 120 can not contact buffer pocket 130 ground and be arranged in cushion chamber 111 such that it is able to preferably avoid producing destroy and then affect buffering effect on buffer pocket 130 because of the gravity of support member 120.Additionally, when there is lift car falling accident, support member 120 downslide process can be subject to the frictional force at detent ball 210 place such that it is able to comparatively gentle cushions (namely can preferably reduce the instant impact that lift car is subject to) to whereabouts car.
As it is shown on figure 3, buffer pocket 130 includes the first buffer pocket 310 being positioned in the middle part of cushion chamber 111, the first buffer pocket 310 surrounding is surrounded with 4 the second buffer pockets 320, and the height of the second buffer pocket 320 is lower than the height of the first buffer pocket 310.
In the present embodiment, support member 120 end face is additionally provided with resettlement groove 122, and the material of housing 131 and buffering ring 132 is aluminium alloy.
Embodiment 2
As shown in Figure 4,5, present embodiments providing a kind of variable rate spring vibration absorber, it includes vibration absorber body 400.Vibration absorber body 400 includes damping base 410, is configured with the column vibration damping chamber 411 of opening upwards, is provided with sliding bar 420 in vibration damping chamber 411 in axial sliding in damping base 410;It is provided with shock-absorbing spring between sliding bar 420 and vibration damping chamber 411, shock-absorbing spring includes the first shock-absorbing spring the 431, second shock-absorbing spring 432 and the 3rd shock-absorbing spring 433, second shock-absorbing spring 432 is set in the first shock-absorbing spring 431 and length is lower than the length of the first shock-absorbing spring 431, and the 3rd shock-absorbing spring 433 is set in the second shock-absorbing spring 432 and length is lower than the length of the second shock-absorbing spring 432.
In the present embodiment, sliding bar 420 bottom extends outside the slide contact part 421 being configured for being slidably matched with vibration damping chamber 411 inwall, and vibration damping chamber 411 opening part becomes the limiting section 412 for being limited in by slide contact part 421 in vibration damping chamber 411 to inner circumferential contracted configurations.
In the present embodiment, the length ratio of first shock-absorbing spring the 431, second shock-absorbing spring 432 and the 3rd shock-absorbing spring 433 is 3:2:1, and the external diameter of first shock-absorbing spring the 431, second shock-absorbing spring 432 and the 3rd shock-absorbing spring 433 is than for 3:2.5:1.
Embodiment 3
Present embodiments providing a kind of elevator pit buffer unit, it includes the rack body 100 in embodiment 1 and the vibration absorber body 400 in embodiment 2.Wherein, rack body 100 is vertically located in elevator pit, and the damping base 410 of vibration absorber body 400 is fixedly installed on support member 120 by resettlement groove 122.
Buffer unit in the present embodiment, it is possible to lift car is carried out multi-buffer, can not only preferably reduce impact force during lift car contact buffer unit moment, additionally it is possible to largely the decline kinetic energy of lift car is absorbed.
Below schematically the present invention and embodiment thereof being described, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if those of ordinary skill in the art is enlightened by it, when without departing from the invention objective, without creatively designing the frame mode similar to this technical scheme and embodiment, protection scope of the present invention all should be belonged to.

Claims (4)

1. elevator pit buffer unit, it is characterized in that: include rack body (100) and vibration absorber body (400), rack body (100) is vertically located in elevator pit, and vibration absorber body (400) is located on rack body (100);
Rack body (100) includes bracket base (110), the column cushion chamber (111) of opening upwards it is configured with in bracket base (110), it is connected to support member (120) in cushion chamber (111) in axial sliding, between support member (120) and cushion chamber (111), is provided with buffer pocket (130);Buffer pocket (130) includes housing (131), is filled with multiple buffering ring (132) in housing (131), and the axis of arbitrary buffering ring (132) is all vertical with the axis of cushion chamber (111);
Vibration absorber body (400) includes the damping base (410) for being connected with support member (120) upper end, it is configured with the column vibration damping chamber (411) of opening upwards in damping base (410), in vibration damping chamber (411), is provided with sliding bar (420) in axial sliding;It is provided with shock-absorbing spring between sliding bar (420) and vibration damping chamber (411), shock-absorbing spring includes the first shock-absorbing spring (431), the second shock-absorbing spring (432) and the 3rd shock-absorbing spring (433), second shock-absorbing spring (432) is set in the first shock-absorbing spring (431) and length is lower than the length of the first shock-absorbing spring (431), and the 3rd shock-absorbing spring (433) is set in the second shock-absorbing spring (432) and length is lower than the length of the second shock-absorbing spring (432).
2. elevator pit buffer unit according to claim 1, it is characterized in that: cushion chamber (111) inwall is configured with stroke track (112) vertically, support member (120) outer wall configuration has the guiding projection (121) coordinated with stroke track (112).
3. elevator pit buffer unit according to claim 2, it is characterised in that: support member (120) upper end is provided with the resettlement groove (122) for placing damping base (410).
4. elevator pit buffer unit according to claim 3, it is characterized in that: buffer pocket (130) includes being positioned at first buffer pocket (310) at cushion chamber (111) middle part, first buffer pocket (310) surrounding is surrounded with multiple second buffer pocket (320), and the height of arbitrary second buffer pocket (320) is below the height of the first buffer pocket (310).
CN201620035282.3U 2016-01-14 2016-01-14 Elevator pit buffer Expired - Fee Related CN205397772U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620035282.3U CN205397772U (en) 2016-01-14 2016-01-14 Elevator pit buffer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620035282.3U CN205397772U (en) 2016-01-14 2016-01-14 Elevator pit buffer

Publications (1)

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CN205397772U true CN205397772U (en) 2016-07-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108328513A (en) * 2018-04-14 2018-07-27 东莞市科学技术博物馆 A kind of hydraulic platform remarkable action detection device
CN113879937A (en) * 2021-09-30 2022-01-04 福州大学 Elevator buffer and working method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108328513A (en) * 2018-04-14 2018-07-27 东莞市科学技术博物馆 A kind of hydraulic platform remarkable action detection device
CN108328513B (en) * 2018-04-14 2020-05-26 东莞市科学技术博物馆 Abnormal motion detection equipment for hydraulic platform
CN113879937A (en) * 2021-09-30 2022-01-04 福州大学 Elevator buffer and working method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160727

Termination date: 20180114

CF01 Termination of patent right due to non-payment of annual fee