CN108163670A - Elevator safety gear pulling apparatus - Google Patents

Elevator safety gear pulling apparatus Download PDF

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Publication number
CN108163670A
CN108163670A CN201810069768.2A CN201810069768A CN108163670A CN 108163670 A CN108163670 A CN 108163670A CN 201810069768 A CN201810069768 A CN 201810069768A CN 108163670 A CN108163670 A CN 108163670A
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CN
China
Prior art keywords
rotation axis
connecting rod
lifting plate
mounting hole
plate
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Granted
Application number
CN201810069768.2A
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Chinese (zh)
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CN108163670B (en
Inventor
张健强
高欣
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Hitachi Elevator China Co Ltd
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Hitachi Elevator China Co Ltd
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Priority to CN201810069768.2A priority Critical patent/CN108163670B/en
Publication of CN108163670A publication Critical patent/CN108163670A/en
Application granted granted Critical
Publication of CN108163670B publication Critical patent/CN108163670B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

The invention discloses a kind of elevator safety gear pulling apparatus, including:Rotation axis, the first supporting rack, the second supporting rack, the first lifting plate, the second lifting plate, the first transmission mechanism and the second transmission mechanism.Rotation axis is respectively installed on the first supporting rack and the second supporting rack, and rotation axis is connect respectively with the first lifting plate, the second lifting plate.First transmission mechanism is installed on the first lifting plate, and the second transmission mechanism is installed on the second lifting plate.Therefore, when limiter of speed so that the first lifting plate acts, the first lifting plate can be acted by the one of safety tongs of the first transmission mechanism, and similarly by the second transmission mechanism, another safety tongs acts the second driven lifting plate.Since the first supporting rack and the second supporting rack are respectively installed in sedan-chair frame bottom.Therefore, which avoids the safe clipper joint using longer lifting rod and lower end so that the more steadily triggering safety tongs action during elevator stopping of elevator safety gear pulling apparatus.

Description

Elevator safety gear pulling apparatus
Technical field
The present invention relates to elevator technology field, more particularly to a kind of elevator safety gear pulling apparatus.
Background technology
Elevator safety gear is for the safety device of elevator emergency stop.When limiter of speed detects elevator overspeed, speed limit Device is acted by steel wire rope, safe pulling apparatus elevator safety gear, so that elevator stopping and being clamped on guide rail.It passes System ground, elevator safety gear are mounted on inside the vertical beam at car frame underbeam both ends or underbeam both ends.
In order to act elevator safety gear, the safe pulling apparatus of overhead is generally used.The pulling apparatus is arranged in sedan-chair frame Top passes through the safe clipper joint of longer lifting rod and lower end.In this way so that the pulling apparatus triggers safety tongs path of motion It is long, it is unstable during stop so as to cause the safe pulling apparatus, it easily collides with other component, and then serious Influence the stability of elevator safety.
Invention content
Based on this, it is necessary to provide a kind of elevator safety gear pulling apparatus, it is acted convenient for stablizing triggering safety tongs.
Its technical solution is as follows:
A kind of elevator safety gear pulling apparatus, including:Rotation axis;First supporting rack and the second supporting rack, described first Support, second supporting rack are used to be installed in sedan-chair frame bottom, and the rotation axis turnably connects with first supporting rack It connects, and the rotation axis is turnably connect with second supporting rack;First lifting plate and the second lifting plate, described first carries Pulling plate and the rotation axis connection, and the first lifting plate can drive the rotation axis around the axis rotation of the rotation axis, The second lifting plate and the rotation axis connection, and the rotation axis can drive the second lifting plate rotation;First transmission Mechanism and the second transmission mechanism, first transmission mechanism are connect with the described first lifting plate, second transmission mechanism and institute The connection of the second lifting plate is stated, first transmission mechanism is for controlling one of safety tongs to act, second transmission mechanism For another safety tongs to be controlled to act.
Above-mentioned elevator safety gear pulling apparatus, rotation axis are respectively installed on the first supporting rack and the second supporting rack, are turned Moving axis one end is connect with the first lifting plate, and the rotation axis other end is connect with the second lifting plate.Therefore, in elevator emergency stop process In, limiter of speed causes the first lifting plate to act, and the first lifting plate drives the second lifting plate to act by rotating rotation axis.Together When, the first transmission mechanism is installed on the first lifting plate, and the second transmission mechanism is installed on the second lifting plate.Therefore, limiter of speed So that during the first lifting plate action, the first lifting plate can be acted by the one of safety tongs of the first transmission mechanism, and be passed through Cross the second lifting plate that the first lifting strip is moved another safety tongs can similarly be acted by the second transmission mechanism.Such as This, by using the elevator safety gear pulling apparatus, may be such that elevator realizes two-way stop, be conducive to elevator safety gear lifting Device stablizes triggering safety tongs action.Further, since the first supporting rack and the second supporting rack are respectively installed in sedan-chair frame bottom, realize The elevator safety gear pulling apparatus underneath type in elevator is set.Therefore, the elevator safety gear pulling apparatus avoid use compared with Long lifting rod and the safe clipper joint of lower end so that elevator safety gear pulling apparatus during elevator stopping more steadily Trigger safety tongs action.Meanwhile elevator safety gear pulling apparatus structure is greatlied simplify, reduce elevator safety gear pulling apparatus It is taken up space in elevator.
Further, elevator safety gear pulling apparatus further includes torsional spring, and the torsional spring is set in the rotation axis, described One end and the rotation axis connection, the torsional spring other end are connect with first supporting rack.
Further, limiting fixture block is installed in the rotation axis, the limiting fixture block is equipped with mounting rod, the installation Bar is equipped with the first mounting hole, and the one end passes through first mounting hole and the rotation axis connection.
Further, it is described limiting fixture block include fixture block ontology, the first clamping part, the second clamping part, third clamping part and 4th clamping part, first clamping part is disposed on described fixture block ontology one end respectively with second clamping part, described First clamping part can clamp the rotation axis, the third clamping part and the 4th clamping part with second clamping part cooperation It is respectively separated and is arranged on the fixture block ontology other end, described in the cooperation of the third clamping part and the 4th clamping part can clamp Mounting rod;First clamping part is equipped with the first mounting hole, and second clamping part is equipped with and the first mounting hole phase Corresponding second mounting hole, the third clamping part are equipped with third mounting hole, and the 4th clamping part is equipped with and described the Corresponding 4th mounting hole of three mounting holes.
Further, first supporting rack includes the first top plate, the first bottom plate, the first side plate and the second side plate, described First top plate is equipped with the second mounting hole, and second mounting hole is used to be oppositely arranged with the mounting hole of the sedan-chair frame bottom, institute It states the first side plate both ends to connect with first top plate, first bottom plate respectively, first axle is offered on first side plate Bearing bore;The second side plate both ends are connect respectively with first top plate, first bottom plate, are offered on second side plate Third mounting hole, the one end are connect across the third mounting hole with first supporting rack;First top plate and/ Or first bottom plate is equipped with gag lever post, the gag lever post rotates for limiting the first lifting plate.
Further, elevator safety gear pulling apparatus further includes switch and re-packs and safety switch, the safety switch installing It is described to switch re-pack one end and the rotation axis connection, the switch on first supporting rack or second supporting rack The other end that re-packs works for triggering the safety switch.
Further, second supporting rack includes the second top plate, and the second bottom plate, third side plate and the 4th side plate are described Second top plate is equipped with the 4th mounting hole, and the 4th mounting hole is used to be oppositely arranged with the mounting hole of the sedan-chair frame bottom, institute It states third side plate both ends to connect with second top plate, second bottom plate respectively, the third side plate is equipped with second bearing Hole;4th side plate is connect with second bottom plate, and the safety switch is installed on the 4th side plate.
Further, the first lifting plate, the second lifting plate and first transmission mechanism, second transmission Mechanism is located at the rotation axis both sides respectively.
Further, the first lifting plate is equipped with the 5th mounting hole, is supported in the rotation axis far from described second One end of frame is equipped with the first protrusion, and first protrusion can make the first lifting strip move institute with the 5th mounting hole cooperation State rotation axis rotation, the 5th mounting hole is protruded in first protrusion, and first protrusion is equipped with the first jack, and described the One jack moves for being inserted into plug-in unit limitation the first lifting plate;The second lifting plate is equipped with the 6th mounting hole, described One end far from first supporting rack is equipped with the second protrusion in rotation axis, and second protrusion coordinates with the 6th mounting hole It can make the rotation axis that the second lifting plate be driven to rotate, the second protrusion protrusion the 6th mounting hole, described second Protrusion is equipped with the second jack, and second jack moves for being inserted into plug-in unit limitation the second lifting plate.
Further, first transmission mechanism be first connecting rod mechanism, the first connecting rod mechanism include first connecting rod, Second connecting rod, third connecting rod and first support, the second connecting rod both ends connect respectively with the first connecting rod, third connecting rod rotation It connects, the second connecting rod is equipped with first through hole, and the first support is equipped with the first support shaft, and first support shaft penetrates institute It states in first through hole so that the second connecting rod is installed in the first support, the first support is described vertical for being installed in On column, the first connecting rod is rotatablely connected with the described first lifting plate, the one of the separate second connecting rod on the third connecting rod It holds to be rotatablely connected with safety tongs one of them described;Second transmission mechanism is second connecting rod mechanism, and described second connects Linkage includes fourth link, the 5th connecting rod, six-bar linkage and second support, and the 5th connecting rod two end is respectively with the described 4th Connecting rod, six-bar linkage rotation connection, the 5th connecting rod are equipped with the second through-hole, and the second support is equipped with the second support shaft, Second support shaft penetrates in second through-hole so that the 5th connecting rod is installed in the second support, and described second Stent is for being installed in the column, and the fourth link is rotatablely connected with the described second lifting plate, on the six-bar linkage One end far from the 5th connecting rod is used to be rotatablely connected with safety tongs another described.
Description of the drawings
Fig. 1 is the elevator safety gear pulling apparatus structure diagram described in the embodiment of the present invention;
Fig. 2 is the position limiting clamp block structure schematic diagram described in the embodiment of the present invention;
Fig. 3 is the first supporting rack and button spring attachment structure schematic diagram described in the embodiment of the present invention;
Fig. 4 is the second supporting rack and safety switch attachment structure schematic diagram described in the embodiment of the present invention;
Fig. 5 is that the first lifting plate, the first supporting rack and the first transmission mechanism connection structure described in the embodiment of the present invention are shown It is intended to;
Fig. 6 is that the second lifting plate, the second supporting rack and the second transmission mechanism connection structure described in the embodiment of the present invention are shown It is intended to.
Reference sign:
100th, elevator safety gear pulling apparatus, 110, rotation axis, 111, limiting fixture block, 1111, mounting rod, 1112, fixture block Ontology, the 1113, first clamping part, the 1114, second clamping part, 1115, third clamping part, the 1116, the 4th clamping part, 1117, One mounting hole, 1118, third mounting hole, the 1119, the 5th mounting hole, the 112, first protrusion, the 113, second protrusion, 120, first Support, the 121, first top plate, the 1211, second mounting hole, the 122, first bottom plate, 1221, gag lever post, the 123, first side plate, 1231, First axle bearing bore, the 124, second side plate, 1241, third mounting hole, the 125, the 5th side plate, the 130, second supporting rack, 131, second Top plate, the 1311, the 4th mounting hole, the 132, second bottom plate, 133, third side plate, 1331, second bearing hole, the 134, the 4th side plate, 140th, the first lifting plate, the 141, the 5th mounting hole, the 150, second lifting plate, the 151, the 6th mounting hole, the 160, first transmission mechanism, 161st, first connecting rod, 162, second connecting rod, 163, third connecting rod, 164, first support, the 165, first support shaft, 170, second passes Motivation structure, 171, fourth link, the 172, the 5th connecting rod, 173, six-bar linkage, 174, second support, the 175, second support shaft, 180th, torsional spring, 190, safety switch, 191, switch re-pack, 200, safety tongs.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only solving The present invention is released, does not limit protection scope of the present invention.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more The arbitrary and all combination of relevant Listed Items.
Heretofore described " first ", " second " do not represent specific quantity and sequence, are only used for the differentiation of title.
It please refers to Fig.1, in one embodiment, a kind of elevator safety gear pulling apparatus 100, including:Rotation axis 110, One supporting rack 120, the second supporting rack 130, first lifting plate 140, second lift plate 150, the first transmission mechanism 160 and second passes Motivation structure 170.First supporting rack 120, the second supporting rack 130 are used to be installed in sedan-chair frame bottom.Rotation axis 110 and first supports Frame 120 turnably connects, and rotation axis 130 is turnably connect with the second supporting rack 130.First lifting plate 140 and rotation Axis 130 connects, and the first lifting plate 140 can drive rotation axis 110 around the axis rotation of rotation axis 110.Second lifting plate 150 with Rotation axis 110 connects, and rotation axis 110 can drive the second lifting plate 150 to rotate.First transmission mechanism 160 and the first lifting plate 140 connections.Second transmission mechanism 170 is connect with the second lifting plate 150.First transmission mechanism 160 is used to control one of peace Complete 200 action of pincers.Second transmission mechanism is used to that another safety tongs 200 to be controlled to act.
Above-mentioned elevator safety gear pulling apparatus 100, rotation axis 110 are respectively installed in the first supporting rack 120 and second On support 130.110 one end of rotation axis is connect with the first lifting plate 140, and 110 other end of rotation axis connects with the second lifting plate 150 It connects.Therefore, during elevator emergency stop, limiter of speed causes the first lifting plate 140 to act.First lifting plate 140 is by turning Turn moving axis 110 is so as to drive the second lifting plate 150 to act.Meanwhile first transmission mechanism 160 be installed in the first lifting plate 140 On, the second transmission mechanism 170 is installed on the second lifting plate 150.Therefore, when limiter of speed so that the first lifting plate 140 acts, the One lifting plate 140 can be acted by 160 one of safety tongs 200 of the first transmission mechanism, and pass through the first lifting plate 140 The the second lifting plate 150 driven another safety tongs 200 can similarly be acted by the second transmission mechanism 170.It is in this way, logical It crosses using the elevator safety gear pulling apparatus 100, may be such that elevator realizes two-way stop, be conducive to the elevator safety gear 200 and carry Drawing device 100 is stablized triggering safety tongs 200 and is acted.Further, since the first supporting rack 120 is installed respectively with the second supporting rack 130 In sedan-chair frame bottom, realize the underneath type in elevator of elevator safety gear pulling apparatus 100 and set.Therefore, which carries Drawing device 100 is avoided to be connected using the safety tongs 200 of longer lifting rod and lower end, avoids elevator safety gear pulling apparatus 100 collide at work with other component so that elevator safety gear pulling apparatus 100 during elevator stopping more Add steadily triggering safety tongs 200 act.Simultaneously as the underneath type in elevator of elevator safety gear pulling apparatus 100 is set, because This, greatlies simplify 100 structure of elevator safety gear pulling apparatus, reduces the institute in elevator of elevator safety gear pulling apparatus 100 It takes up space.
In one embodiment, elevator safety gear pulling apparatus 100 further includes torsional spring 180.Torsional spring 180 is set in rotation axis On 110,180 one end of torsional spring is connect with rotation axis 110, and 180 other end of torsional spring is connect with the first supporting rack 120.It follows that During elevator stopping, the first lifting plate 140 needs to overcome certain torsion caused by torsional spring 180, can drive rotation axis 110 and first transmission mechanism 160 act.Therefore, it can effectively avoid in this way because elevator slightly shakes, and cause elevator safety It clamps pulling apparatus 100 and maloperation is generated to safety tongs 200, and then improve elevator safety gear pulling apparatus 100 to safety tongs 200 The reliability of trigger action operation.
Further, limiting fixture block 111 is installed in rotation axis 110.It limits fixture block 111 and is equipped with mounting rod 1111.Peace It fills bar 1111 and is equipped with the first mounting hole.180 one end of torsional spring is connect across the first mounting hole with rotation axis 110.In this way, installing During torsional spring, one end of torsional spring 180 need to be only inserted into the first mounting hole, be conducive to elevator safety gear pulling apparatus 100 Fast quick-detach and assembling.
Further, it please refers to Fig.2, limiting fixture block 111 includes fixture block ontology 1112, the first clamping part 1113, second Clamping part 1114,1115 and the 4th clamping part 1116 of third clamping part.First clamping part 1113 is distinguished with the second clamping part 1114 1112 one end of fixture block ontology is disposed on, the first clamping part 1113 and the cooperation of the second clamping part 1114 can clamp rotation axis 110. 1115 and the 4th clamping part 1116 of third clamping part, which is respectively separated, is arranged on 1112 other end of fixture block ontology, third clamping part 1115 Mounting rod 1111 can be clamped with the cooperation of the 4th clamping part 1116.In this way, pass through the first clamping part 1113 and the second clamping part 1114 It is matched for clamping tightly rotation axis 110 so that limiting fixture block 111 is fixed in rotation axis 110.Meanwhile by third clamping part 1115 with 4th clamping part 1116 is matched for clamping tightly mounting rod 1111, so as to ensure that mounting rod 1111 is fixed with rotation axis 110.Therefore, originally Embodiment employs the limiting fixture block 111 and fixes torsional spring 180 so that the installation operation of torsional spring 180 is more convenient.First clamping part 1113 are equipped with the first mounting hole 1117.Second clamping part 1114 is equipped with to be fixed with the first mounting hole 1117 corresponding second Hole.Therefore, the present embodiment passes through the first mounting hole 1117, the second mounting hole to may be such that limiting fixture block 111 with turning by fixing piece 110 even closer connection of moving axis.Similarly, third clamping part 1115 is equipped with third mounting hole 1118.On 4th clamping part 1116 Equipped with 1118 corresponding 4th mounting hole of third mounting hole.In this way, third mounting hole the 1118, the 4th is passed through by fixing piece Mounting hole may be such that mounting rod 1111, and fixture block 111 is even closer is connected with limiting.In the present embodiment, the first clamping part 1113 And/or second clamping part 1114 be equipped with the 5th mounting hole 1119.Rotation axis 110 is equipped with the 6th mounting hole.5th mounting hole 1119 are correspondingly arranged with the 6th mounting hole.Pass through the 5th mounting hole 119 and the 6th mounting hole can be by fixture block ontology by fixing piece 1112 connect with rotation axis 110 it is even closer, so as to improve the stability of elevator safety gear pulling apparatus 100.
It please refers to Fig.3, in one embodiment, the first supporting rack 120 includes the first top plate 121, the first bottom plate 122, the 123 and second side plate 124 of side plate.First top plate 121 is equipped with the second mounting hole 1211.Second mounting hole 1211 is used for and sedan-chair The mounting hole of frame bottom is oppositely arranged.So, it can be achieved that elevator safety gear pulling apparatus 100 is set in sedan-chair frame bottom.First side 123 both ends of plate are connect respectively with the first top plate 121, the first bottom plate 122, and first axle bearing bore 1231 is offered on the first side plate 121. Rotation axis 110 is installed in first axle bearing bore 1231.Second side plate, 124 both ends respectively with the first top plate 121, the first bottom plate 122 It connects, third mounting hole 1241 is offered on the second side plate 124.180 one end of torsional spring passes through third mounting hole 1241 and first Support 120 connects.Due to 180 one end of torsional spring be by being inserted into third mounting hole 1241 and the fixation realized, this Sample cause torsional spring 180 can quickly, be stably mounted on the first supporting rack 120.
Further, the first top plate 121 or the first bottom plate 122 are equipped with 1221 or first top plate 121 and first of gag lever post Gag lever post 1221 is equipped on bottom plate 122.Gag lever post 1221 rotates for limiting the first lifting plate 140.When the first lifting plate 140 When having been realized in the triggering action of safety tongs 200, gag lever post 1221 then carries out rotation limitation to the first lifting plate 140 so that the One lifting plate 140 no longer carries out rotating triggering accordingly, is conducive to the protection to elevator safety gear pulling apparatus 100.
Further, the first supporting rack 120 further includes the 5th side plate 125.It is pushed up respectively with first at 5th side plate, 125 both ends Plate 121, the first bottom plate 122 connect.Its object is to so that the structure of the first supporting rack 120 is more firm.
Please refer to Fig.4, in one embodiment, elevator safety gear pulling apparatus 100 further include switch re-pack 191 and safety Switch 190.Safety switch 190 is installed on the first supporting rack 120 or the second supporting rack 130.Switch re-packs 191 one end with rotating Axis 110 connects, and switch re-packs 191 other ends and works for triggering safety switch 190.In this way, when the first lifting plate 140 is with turn When moving axis 110 rotates, the 191 also rotations therewith that re-pack are switched.When switch re-packs 191 rotation certain position, safety can be triggered 190 work of switch so that elevator is out of service.Therefore, the elevator safety gear pulling apparatus 100 of the present embodiment can start peace simultaneously Full pincers 200 and safety switch 190 work, and ensure that elevator being capable of safe and stable stop.
Specifically, safety switch 190 is installed on the second supporting rack 130.Switch, which re-packs, 191 to be installed in rotation axis 100 Close to 130 side of the second supporting rack, so that switch re-packs 191 position and the installation site of torsional spring 180 distinguishes.Such as This, it is more reasonable to be conducive to 100 structure of elevator safety gear pulling apparatus arrangement.
Further, the second supporting rack 130 includes the second top plate 131, the second bottom plate 132,133 and the 4th side of third side plate Plate 134.Second top plate 131 is equipped with the 4th mounting hole 1311.4th mounting hole 1311 is for the mounting hole pair with sedan-chair frame bottom It should set.133 both ends of third side plate are connect respectively with the second top plate 131, the second bottom plate 132, and third side plate 133 is equipped with second Bearing hole 1331.4th side plate 134 is connect with the second bottom plate 132, and safety switch 190 is installed on the 4th side plate 134.
Further, the second supporting rack 130 includes U-shaped board and L-type bent plate.L-type bent plate is fixed on U-shaped board side.It opens Pass 191 one end that re-pack are bolted in rotation axis 110, and switch, which re-packs, 191 to be structure as a whole.
Optionally, in the present embodiment, the concrete mode of the triggering of safety switch 190 is not limited, it is only necessary to meet elevator Safety tongs pulling apparatus 100 can trigger safety switch 190 and work simultaneously when triggering the action of safety tongs 200.Therefore, safety The triggering mode of switch 190 can be contact or contactless triggering mode.
In one embodiment, the first lifting plate 140, second lifts the transmission of 150 and first transmission mechanism 160, second of plate Mechanism 170 is located at 110 both sides of rotation axis respectively.It follows that the first lifting plate 140 and second lifts plate 150 and is located at rotation axis 110 the same side, and the first transmission mechanism 160 and the second transmission mechanism 170 are respectively positioned on the opposite side of rotation axis 110.In this way, have Conducive to 100 arrangement rational in infrastructure of elevator safety gear pulling apparatus, so that elevator safety gear pulling apparatus 100 is better achieved Its Trigger Function.
Fig. 5 and Fig. 6 are please referred to, in one embodiment, the first lifting plate 140 is equipped with the 5th mounting hole 141.Rotation axis One end far from the second supporting rack 130 is equipped with the first protrusion 112 on 110.First protrusion 112 and the 5th mounting hole 141 cooperation energy Make the first lifting plate 140 that rotation axis 110 be driven to rotate, the 5th mounting hole 141, the first protrusion of protrusion are protruded in the first protrusion 112 112 are equipped with the first jack.First jack is moved by plug-in unit limitation the first lifting plate 140, and the second lifting plate 150 is equipped with the Six mounting holes 151.One end far from the first supporting rack 120 is equipped with the second protrusion 113 in rotation axis 110.Second protrusion 113 and The cooperation of six mounting holes 151 can make rotation axis 110 that the second lifting plate 150 be driven to rotate, and the 6th mounting hole is protruded in the second protrusion 113 151, the second protrusion 113 of protrusion is equipped with the second jack.Second jack is moved by plug-in unit limitation the second lifting plate 150.By This by the first protrusion 112 and the cooperation of the 5th mounting hole 141 it is found that may be such that the first lifting plate 140 drives 110 turns of rotation axis It is dynamic, it may be such that rotation axis 110 drives the second lifting plate 150 to rotate with the cooperation of the 6th mounting hole 151 by the second protrusion 113, from And elevator safety gear pulling apparatus 100 is caused to realize two-way Trigger Function.Simultaneously as this implementation is using cooperation combination side Formula, therefore, being conducive to elevator safety gear pulling apparatus 100 can quickly assemble.It is inserted in addition, the first protrusion 112 is equipped with first Hole and the second jack is equipped on the second protrusion 113, purpose is in order to prevent the first lifting plate 140 and the second lifting plate 150 from distinguishing It comes off from rotation axis 110.
Optionally, in the present embodiment, it is not intended to limit the connection mode of the first lifting plate 140 and rotation axis 110, second carries Pulling plate 150 and the connection mode of rotation axis 110.It only needs to meet the first lifting plate 140 and rotation axis 110 is driven to rotate and rotation axis 110 drive the second lifting plate 150 to rotate.
Specifically, the 5th mounting hole 141 is non-circular hole, wherein, non-circular hole is other shapes other than round hole The hole of shape, such as:Square hole, slot, slotted eye or other shapes hole.First protrusion 112 and the 5th mounting hole 141 are just Good matching.6th mounting hole 151 is non-circular hole, and the second protrusion 113 is just matched with the 6th mounting hole 151.
In one embodiment, the first transmission mechanism 160 is first connecting rod mechanism, and the second transmission mechanism 170 connects for second Linkage.
Optionally, in the present embodiment, the first transmission mechanism 160 is not limited to for first connecting rod mechanism, the second transmission mechanism 170 be second connecting rod mechanism.Satisfaction the first lifting plate 140 is only needed to pass through 160 safety tongs of the first transmission mechanism, 200 work Make, the second lifting plate 150 is worked by 170 safety tongs 200 of the second transmission mechanism.
Specifically, the first transmission mechanism 160, the second transmission mechanism 170 can also be wheel and rack cooperation transmission.Such as, First lifting plate 140 is rotated with moving gear, wheel and rack engagement, so that rack can be reciprocating, so that peace Complete 200 normal work of pincers.
Further, first connecting rod mechanism includes first connecting rod 161, second connecting rod 162, third connecting rod 163 and first Frame 164.162 both ends of second connecting rod are rotatablely connected respectively with first connecting rod 161, third connecting rod 163, and second connecting rod 162 is equipped with First through hole.First support is equipped with the first support shaft 165.First support shaft 165 is penetrated in first through hole so that second connecting rod 162 It is installed in first support 164.First support 164 is used to be installed in column.First connecting rod 161 and the first 140 turns of plate of lifting Dynamic connection.One end far from second connecting rod 162 is used to be rotatablely connected with one of safety tongs 200 on third connecting rod 163.Thus It is found that the first lifting plate 140 rotates, first connecting rod 161 is driven to move so that second connecting rod 162 in first support 164 the One support shaft 165 rotates, so that third connecting rod 163 pumps, so that safety tongs 200 works.Second connects Linkage includes fourth link 171, the 5th connecting rod 172, six-bar linkage 173 and second support 174.5th connecting rod, 172 both ends point It is not rotatablely connected with fourth link 171, six-bar linkage 173, the 5th connecting rod 172 is equipped with the second through-hole.Second support 174 is equipped with Second support shaft 175, the second support shaft 175 are penetrated in the second through-hole so that the 5th connecting rod 172 is installed in the second support 174 On, second support 174 is used to be installed in column.Fourth link 171 is rotatablely connected with the second lifting plate 150.Six-bar linkage 173 Upper one end far from the 5th connecting rod 172 is used to be rotatablely connected with another safety tongs 200.Similarly, the second lifting plate 150 rotates, Fourth link 171 is driven to move so that second support shaft 175 of the 5th connecting rod 172 in second support 174 rotates, so as to make It obtains six-bar linkage 173 to pump, so that safety tongs 200 works.
Optionally, the present embodiment not only limit to more than the specific structure of link mechanism, as long as meet first lifting plate 140 are worked by first connecting rod mechanism driving safety tongs 200, the second lifting plate 150 is made by second connecting rod mechanism driving Safety tongs 200 is obtained to work.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that those of ordinary skill in the art are come It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

1. a kind of elevator safety gear pulling apparatus, which is characterized in that including:
Rotation axis;
First supporting rack and the second supporting rack, first supporting rack, second supporting rack are used to be installed in sedan-chair frame bottom, The rotation axis is turnably connect with first supporting rack, and the rotation axis turnably connects with second supporting rack It connects;
First lifting plate and the second lifting plate, the first lifting plate and the rotation axis connection, and the first lifting plate energy The rotation axis is driven around the axis rotation of the rotation axis, described second lifts plate and the rotation axis connection, and described turn Moving axis can drive the second lifting plate rotation;
First transmission mechanism and the second transmission mechanism, first transmission mechanism are connect with the described first lifting plate, and described second Transmission mechanism is connect with the described second lifting plate, and first transmission mechanism is described for one of safety tongs to be controlled to act Second transmission mechanism is used to that another safety tongs to be controlled to act.
2. elevator safety gear pulling apparatus according to claim 1, which is characterized in that further include torsional spring, the torsion spring set It is located in the rotation axis, the one end and the rotation axis connection, the torsional spring other end and first supporting rack Connection.
3. elevator safety gear pulling apparatus according to claim 2, which is characterized in that limiting is installed in the rotation axis Fixture block, the limiting fixture block are equipped with mounting rod, and the mounting rod is equipped with the first mounting hole, and the one end passes through described First mounting hole and the rotation axis connection.
4. elevator safety gear pulling apparatus according to claim 3, which is characterized in that the limiting fixture block includes fixture block sheet Body, the first clamping part, the second clamping part, third clamping part and the 4th clamping part, first clamping part and the described second clamping Portion is disposed on described fixture block ontology one end respectively, described in first clamping part and second clamping part cooperation can clamp Rotation axis, the third clamping part and the 4th clamping part are disposed on the fixture block ontology other end respectively, and described the Three clamping parts can clamp the mounting rod with the 4th clamping part cooperation;First clamping part is equipped with the first mounting hole, Second clamping part is equipped with is equipped with the with corresponding second mounting hole of first mounting hole, the third clamping part Three mounting holes, the 4th clamping part are equipped with and corresponding 4th mounting hole of the third mounting hole.
5. elevator safety gear pulling apparatus according to claim 2, which is characterized in that first supporting rack includes first Top plate, the first bottom plate, the first side plate and the second side plate, first top plate are equipped with the second mounting hole, second mounting hole For being oppositely arranged with the mounting hole of the sedan-chair frame bottom, the first side plate both ends respectively with first top plate, described One bottom plate connects, and first axle bearing bore is offered on first side plate;The second side plate both ends respectively with first top plate, First bottom plate connects, and third mounting hole is offered on second side plate, and the one end is installed across the third Hole is connect with first supporting rack;First top plate and/or first bottom plate are equipped with gag lever post, and the gag lever post is used It is rotated in limiting the first lifting plate.
6. elevator safety gear pulling apparatus according to claim 1, which is characterized in that further include switch and re-pack and safety open Close, the safety switch is installed on first supporting rack or second supporting rack, the switch re-pack one end with it is described Axis connection is rotated, the switch re-packs the other end for triggering the safety switch work.
7. elevator safety gear pulling apparatus according to claim 6, which is characterized in that second supporting rack includes second Top plate, the second bottom plate, third side plate and the 4th side plate, second top plate are equipped with the 4th mounting hole, the 4th mounting hole For being oppositely arranged with the mounting hole of the sedan-chair frame bottom, the third side plate both ends respectively with second top plate, described Two bottom plates connect, and the third side plate is equipped with second bearing hole;4th side plate is connect with second bottom plate, and described The safety switch is installed on four side plates.
8. elevator safety gear pulling apparatus according to claim 1, which is characterized in that the first lifting plate, described the Two lifting plates are located at the rotation axis both sides respectively with first transmission mechanism, second transmission mechanism.
9. elevator safety gear pulling apparatus according to claim 1, which is characterized in that the first lifting plate is equipped with the Five mounting holes, one end far from second supporting rack is equipped with the first protrusion in the rotation axis, first protrusion with it is described The cooperation of 5th mounting hole can make the first lifting strip move the rotation axis rotation, the first protrusion protrusion the 5th peace Hole is filled, first protrusion is equipped with the first jack, and first jack moves for being inserted into plug-in unit limitation the first lifting plate It is dynamic;
The second lifting plate is equipped with the 6th mounting hole, and one end far from first supporting rack is equipped with the in the rotation axis Two protrusions, second protrusion can make the rotation axis drive the second lifting plate rotation with the 6th mounting hole cooperation, The 6th mounting hole is protruded in second protrusion, and second protrusion is equipped with the second jack, and second jack is used to insert Enter plug-in unit limitation the second lifting plate movement.
10. according to claim 1-9 any one of them elevator safety gear pulling apparatus, which is characterized in that first transmission Mechanism is first connecting rod mechanism, and the first connecting rod mechanism includes first connecting rod, second connecting rod, third connecting rod and first support, The second connecting rod both ends are rotatablely connected respectively with the first connecting rod, third connecting rod, and it is logical that the second connecting rod is equipped with first Hole, the first support are equipped with the first support shaft, and first support shaft penetrates in the first through hole so that described second connects Bar is installed in the first support, and the first support is for being installed in the column, the first connecting rod and described the One lifting plate rotation connection, one end far from the second connecting rod is used for and safety tongs one of them described on the third connecting rod Rotation connection;
Second transmission mechanism is second connecting rod mechanism, and the second connecting rod mechanism includes fourth link, the 5th connecting rod, the 6th Connecting rod and second support, the 5th connecting rod two end are rotatablely connected respectively with the fourth link, six-bar linkage, and the described 5th connects Bar is equipped with the second through-hole, and the second support is equipped with the second support shaft, and second support shaft is penetrated in second through-hole So that the 5th connecting rod is installed in the second support, the second support is for being installed in the column, described the Double leval jib and the described second lifting plate rotation connection, on the six-bar linkage one end far from the 5th connecting rod be used for it is another A safety tongs rotation connection.
CN201810069768.2A 2018-01-24 2018-01-24 Lifting device for safety tongs of elevator Active CN108163670B (en)

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Publication number Priority date Publication date Assignee Title
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CN205998797U (en) * 2016-08-25 2017-03-08 西继迅达(许昌)电梯有限公司 A kind of Novel car bottom safety tongs shift mechanism
CN107187988A (en) * 2017-06-30 2017-09-22 快意电梯股份有限公司 Brake device for elevator and its shift mechanism
CN207932824U (en) * 2018-01-24 2018-10-02 日立电梯(中国)有限公司 Elevator safety gear pulling apparatus

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Publication number Priority date Publication date Assignee Title
US20100163346A1 (en) * 2006-06-30 2010-07-01 Thomas Coquerelle Safety device for securing minimum spaces at the top or bottom of an elevator shaft being inspected, and elevator having such safety devices
CN102344072A (en) * 2011-06-28 2012-02-08 苏州新达电扶梯部件有限公司 Counter-weight safety tongs of elevator
CN204369357U (en) * 2014-12-24 2015-06-03 湖州南浔固源电梯部件有限公司 A kind of villa elevator Knapsack-rack
CN204369348U (en) * 2014-12-24 2015-06-03 湖州南浔固源电梯部件有限公司 Highly sensitive safety tongs shift mechanism
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CN107187988A (en) * 2017-06-30 2017-09-22 快意电梯股份有限公司 Brake device for elevator and its shift mechanism
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112551302A (en) * 2020-12-29 2021-03-26 日立电梯(中国)有限公司 Elevator, speed limiting device mounting structure and lifting mechanism

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