CN105883523A - Instantaneous type safety plier for villa elevator - Google Patents
Instantaneous type safety plier for villa elevator Download PDFInfo
- Publication number
- CN105883523A CN105883523A CN201610483243.4A CN201610483243A CN105883523A CN 105883523 A CN105883523 A CN 105883523A CN 201610483243 A CN201610483243 A CN 201610483243A CN 105883523 A CN105883523 A CN 105883523A
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- CN
- China
- Prior art keywords
- brake
- limiting plate
- plate
- waist hole
- caliper
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an instantaneous type safety plier for a villa elevator. The instantaneous type safety plier comprises a plier body, wherein a channel through which an elevator guide rail passes through is formed in the plier body; the sectional area of the channel is in a form of an isosceles trapezoid with a narrow upper part and a wide lower part; two brake mechanisms which are same in structure and are symmetrical to each other are arranged at two sides of the channel; each brake mechanism comprises a brake wheel, a brake plate and a limiting plate; the brake wheel is arranged on the bevel edge in the channel; the limiting plate is fixed near the bevel edge of an upper channel of the plier body; a gap is formed between each limiting plate and the plier body; each brake plate is transversely arranged in the corresponding gap; one end of each brake plate is connected with the corresponding brake wheel; the middle end of each brake plate is connected with a speed limiting rope; a connecting post is arranged at the other end of each brake plate; a through waist hole is formed in each limiting plate; and the connecting post passes through the waist hole and can move in the waist hole. The safety plier comprises the two same brake mechanisms; and the brake mechanisms are symmetrically arranged at two sides of the guide rail, so that the brake wheels have even stress when contacting the guide rail; the elevator guide rail is prevented from deforming; the brake force of the brake mechanisms is high; and the structure is simple.
Description
Technical field
The present invention relates to a kind of villa elevator instantaneous safety, belong to elevator car safety technical field.
Background technology
Along with China's economic construction the most well develops, real estate is thriving, and along with the raising of living standards of the people, the requirement to living also improves constantly, and the high-end house of multilamellar independent organic whole structured emerges in multitude, and the market demand of villa elevator is also subsequently formed.
The safety of villa elevator is an up the important indicator of villa elevator performance.Safety tongs is a kind of mechanical safety member making car or counterweight stop motion, and when elevator appearance accident during overspeed, limiter of speed triggers safety tongs running.Elevator instantaneous safety pliers in early days, safety tongs as disclosed in China Patent No. ZL97219405.3, when actual safety tongs action, twin roller group and voussoir can up move, need to be additionally arranged at the bottom one block of steel plate the thickest at lift car, departing from caliper to prevent unilateral voussoir from moving upward limit, otherwise safety tongs absorbs energy and will be substantially reduced, and affects the safe operation of elevator.Although reality is to add cartridge plate to disclosure satisfy that actually used demand, but which results in being significantly increased of elevator manufacturing cost.The structure of elevator is also made to become complicated, weight increase additionally, add cartridge plate.
In sum, in technical field of elevator manufacturing, all expect that one both can provide higher brake force, the instantaneous safety of villa elevator manufacturing cost can be reduced again.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that a kind of villa elevator instantaneous safety, solve the technical problem that in prior art, safety tongs brake force is little.
For solving above-mentioned technical problem, the invention provides a kind of villa elevator instantaneous safety, including caliper, the passage passed through for cage guide is offered on caliper, it is characterized in that, the sectional area of described passage is up-narrow and down-wide isosceles trapezoid, the both sides of passage are provided with two identical mutually symmetrical arrestment mechanisms of structure, described arrestment mechanism includes braked wheel, keep plate and limiting plate, at the hypotenuse that braked wheel is placed in passage, limiting plate is fixed on the hypotenuse side of caliper upper channel and has gap between limiting plate and caliper, keep plate is laterally located in gap, one end of keep plate connects braked wheel, the middle-end of keep plate connects speed limit rope, the other end of keep plate is provided with connection post, limiting plate is provided with through waist hole, connect post through waist hole and to move in waist hole.
Further, the axis in waist hole is parallel with the hypotenuse of same wing passage.
Further, the gradient of the axis in waist hole is more than the gradient of the hypotenuse with wing passage.
Further, limiting plate is additionally provided with packing ring with the junction of caliper, and the thickness of packing ring is more than the thickness of keep plate.
Further, limiting plate is fixed with caliper by bolt, and gasket sleeve is located on bolt.
Further, the outer surface of braked wheel is provided with waveform annular knurl.
Compared with prior art, the present invention is reached to provide the benefit that: the instantaneous safety of the present invention is made up of two identical arrestment mechanisms, it is symmetricly set in the both sides of guide rail, the uniform force when braked wheel made and guide rail contact, cage guide is avoided to deform, arrestment mechanism has that brake force is bigger, the advantage of simple in construction, and also simplify villa elevator structure, reduces elevator load bearing and villa elevator manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the floor map of safety tongs of the present invention.
Fig. 2 is the decomposing schematic representation of the right side brake mechanism of safety tongs of the present invention.
Reference: 1, caliper；2, braked wheel；3, keep plate；3-1, connection post；4, limiting plate；4-1, waist hole；5, speed limit rope.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Following example are only used for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
nullAs depicted in figs. 1 and 2，A kind of villa elevator instantaneous safety that the present invention provides，Including caliper 1，The passage passed through for cage guide is offered on caliper 1，It is characterized in that，The sectional area of described passage is up-narrow and down-wide isosceles trapezoid，The both sides of passage are provided with two identical mutually symmetrical arrestment mechanisms of structure，Described arrestment mechanism includes braked wheel 2、Keep plate 3 and limiting plate 4，The structure of right side brake mechanism is as shown in Figure 2，Braked wheel 2 is placed at the hypotenuse of passage，Limiting plate 4 is fixed on the hypotenuse side of caliper 1 upper channel and has gap between limiting plate 4 and caliper 1，Keep plate 3 is laterally located in gap，One end of keep plate 3 connects braked wheel 2，The middle-end of keep plate 3 connects speed limit rope 5，The other end of keep plate 3 is provided with connection post 3-1，Limiting plate 4 is provided with through waist hole 4-1，Connect post 3-1 through waist hole 4-1 and to move in the 4-1 of waist hole.
The duty of safety tongs of the present invention is divided into running status and on-position two kinds.When safety tongs is in the normal operating condition of the i.e. elevator of running status, limiter of speed is failure to actuate, speed limit rope 5 does not produce upwards pulling force, both sides keep plate 3 is positioned at lower section, connect post 3-1 and be positioned at the lower end of waist hole 4-1, both sides braked wheel 2 is positioned at passage near relatively low position, oblique waist side, makes to leave enough spaces in the middle of in isosceles trapezoid passage and passes through to the guide rail of elevator, and leaves gap between braked wheel 2 and cage guide.When the speed of elevator exceedes the maximal rate that limiter of speed allows; limiter of speed sends action; clamping speed limit rope 5 produces pulling force upwards; speed limit rope 5 drives both sides keep plate 3 rapidly moving upward; make both sides braked wheel 2 rapidly moving upward along the hypotenuse of passage; reduce with the gap of cage guide until contacting with cage guide and rubbing action occurring, by lift car stop on guide rail, to protect the safety of elevator；Safety tongs is made up of two identical brake structures, is distributed symmetrically the both sides being arranged at cage guide, the braked wheel 2 elevator brake guide rail uniform force made, it is to avoid guide rail deforms；And during moving on keep plate, connect post 3-1 to move up along waist hole 4-1, also by the thrust in passage during can making to move on braked wheel 2, increase the pressure between braked wheel 2 and cage guide, and then increase the frictional force between braked wheel 2 and cage guide, improving brake force, limit connection post 3-1 moves up and down scope simultaneously so that during braking, keep plate 3 is without departing from safety tongs body.
As the preferred embodiments of the present invention, the axis of waist hole 4-1 is parallel with the hypotenuse of same wing passage.Further, the gradient of the axis of waist hole 4-1, more than the gradient of the hypotenuse with wing passage, also by the thrust in passage during can making to move on braked wheel 2, increases the frictional force between braked wheel 2 and cage guide, improves braking effect further.
Further, limiting plate 4 is additionally provided with packing ring with the junction of caliper 1, and the thickness of packing ring is more than the thickness of keep plate, thus ensure that the keep plate 3 being arranged between limiting plate 4 and caliper 1 can move flexibly.Packing ring is stressed member, in the present embodiment, and the material selection rustless steel of packing ring.
Further, limiting plate 4 is fixed with caliper 1 by bolt, and gasket sleeve is located on bolt.Bolt makes limiting plate 4, packing ring and caliper 1 compact siro spinning technology, plays positioning action, and keep plate 3 is flexibly connected with limiting plate 4 by connecting post 3-1, and under the effect of bolt, whole safety tongs is connected as an entirety.
Further, the outer surface of braked wheel 2 is provided with waveform annular knurl, improves the coefficient of friction of braked wheel 2, improves braking effect.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention.
Claims (6)
1. a villa elevator instantaneous safety, including caliper, the passage passed through for cage guide is offered on caliper, it is characterized in that, the sectional area of described passage is up-narrow and down-wide isosceles trapezoid, the both sides of passage are provided with two identical mutually symmetrical arrestment mechanisms of structure, described arrestment mechanism includes braked wheel, keep plate and limiting plate, at the hypotenuse that braked wheel is placed in passage, limiting plate is fixed on the hypotenuse side of caliper upper channel and has gap between limiting plate and caliper, keep plate is laterally located in gap, one end of keep plate connects braked wheel, the middle-end of keep plate connects speed limit rope, the other end of keep plate is provided with connection post, limiting plate is provided with through waist hole, connect post through waist hole and to move in waist hole.
A kind of villa elevator instantaneous safety the most according to claim 1, is characterized in that, the axis in waist hole is parallel with the hypotenuse of same wing passage.
A kind of villa elevator instantaneous safety the most according to claim 1, is characterized in that, the gradient of the axis in waist hole is more than the gradient of the hypotenuse with wing passage.
A kind of villa elevator instantaneous safety the most according to claim 1, is characterized in that, limiting plate is additionally provided with packing ring with the junction of caliper, and the thickness of packing ring is more than the thickness of keep plate.
A kind of villa elevator instantaneous safety the most according to claim 4, is characterized in that, limiting plate is fixed with caliper by bolt, and gasket sleeve is located on bolt.
A kind of villa elevator instantaneous safety the most according to claim 1, is characterized in that, the outer surface of braked wheel is provided with waveform annular knurl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483243.4A CN105883523B (en) | 2016-06-28 | 2016-06-28 | A kind of villa elevator instantaneous safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483243.4A CN105883523B (en) | 2016-06-28 | 2016-06-28 | A kind of villa elevator instantaneous safety |
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| Publication Number | Publication Date |
|---|---|
| CN105883523A true CN105883523A (en) | 2016-08-24 |
| CN105883523B CN105883523B (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610483243.4A Active CN105883523B (en) | 2016-06-28 | 2016-06-28 | A kind of villa elevator instantaneous safety |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592608A (en) * | 2018-12-27 | 2019-04-09 | 湖北科德智能装备有限公司 | A kind of safety tongs and loading platform |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08133631A (en) * | 1994-11-02 | 1996-05-28 | Mitsubishi Denki Bill Techno Service Kk | Stop device for hydraulic elevator |
| EP0957059A2 (en) * | 1998-05-13 | 1999-11-17 | ORONA S. Coop. | Safety braking device for an elevator |
| CN2556177Y (en) * | 2002-07-18 | 2003-06-18 | 刘文久 | Instantaneous two-way safety clamp |
| CN1297466C (en) * | 2001-11-27 | 2007-01-31 | 三菱电机株式会社 | Emergency stopper of elevator |
| CN103171942A (en) * | 2013-04-07 | 2013-06-26 | 上海微频莱机电科技有限公司 | Elevator safe braking device |
| CN103224177A (en) * | 2013-04-09 | 2013-07-31 | 康力电梯股份有限公司 | Safety pliers emergency stop valve |
| CN103274274A (en) * | 2013-04-09 | 2013-09-04 | 康力电梯股份有限公司 | Safety tongs |
| CN203624759U (en) * | 2013-12-23 | 2014-06-04 | 上海微频莱机电科技有限公司 | Bidirectional safety tongs for elevator |
| CN205820602U (en) * | 2016-06-28 | 2016-12-21 | 爱默生电梯有限公司 | A kind of villa elevator instantaneous safety |
-
2016
- 2016-06-28 CN CN201610483243.4A patent/CN105883523B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08133631A (en) * | 1994-11-02 | 1996-05-28 | Mitsubishi Denki Bill Techno Service Kk | Stop device for hydraulic elevator |
| EP0957059A2 (en) * | 1998-05-13 | 1999-11-17 | ORONA S. Coop. | Safety braking device for an elevator |
| CN1297466C (en) * | 2001-11-27 | 2007-01-31 | 三菱电机株式会社 | Emergency stopper of elevator |
| CN2556177Y (en) * | 2002-07-18 | 2003-06-18 | 刘文久 | Instantaneous two-way safety clamp |
| CN103171942A (en) * | 2013-04-07 | 2013-06-26 | 上海微频莱机电科技有限公司 | Elevator safe braking device |
| CN103224177A (en) * | 2013-04-09 | 2013-07-31 | 康力电梯股份有限公司 | Safety pliers emergency stop valve |
| CN103274274A (en) * | 2013-04-09 | 2013-09-04 | 康力电梯股份有限公司 | Safety tongs |
| CN203624759U (en) * | 2013-12-23 | 2014-06-04 | 上海微频莱机电科技有限公司 | Bidirectional safety tongs for elevator |
| CN205820602U (en) * | 2016-06-28 | 2016-12-21 | 爱默生电梯有限公司 | A kind of villa elevator instantaneous safety |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592608A (en) * | 2018-12-27 | 2019-04-09 | 湖北科德智能装备有限公司 | A kind of safety tongs and loading platform |
| CN109592608B (en) * | 2018-12-27 | 2023-09-26 | 湖北科德智能装备有限公司 | Cargo carrying platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105883523B (en) | 2017-12-19 |
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