CN102359546A - Steel rope separating device for checking elevator limiter - Google Patents

Steel rope separating device for checking elevator limiter Download PDF

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Publication number
CN102359546A
CN102359546A CN2011103255579A CN201110325557A CN102359546A CN 102359546 A CN102359546 A CN 102359546A CN 2011103255579 A CN2011103255579 A CN 2011103255579A CN 201110325557 A CN201110325557 A CN 201110325557A CN 102359546 A CN102359546 A CN 102359546A
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wire rope
steel rope
clamping
anchor clamps
elevator
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CN2011103255579A
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CN102359546B (en
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朱广慧
赵素梅
刁立军
李剑
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Abstract

The invention relates to a steel rope clamping and fastening device, in particular to a steel rope separating device for checking an elevator limiter, which comprises a hydraulic force-applying mechanism and a clamping head, wherein the clamping head comprises a clamp sleeve with a hollow inner cavity and a connecting head integrally connected with the clamp sleeve, two ends of the hollow inner cavity of the clamp sleeve are respectively movably matched and provided with a fixed block and a sliding block which are used for clamping a steel rope, one side wall of the clamp sleeve is provided with a steel rope inlet, the clamping head is correspondingly connected with the upper end part of a fixed handle through the connecting head, a piston rod extends into the clamp sleeve from the hollow inner cavity of the connecting head and is correspondingly connected with the sliding block for clamping the steel rope, and the hollow inner cavity of the connecting head is internally provided with a piston reset spring. A fixed block and sliding block type clamping block structure is adopted in the clamping head of the steel rope clamping and fastening device provided by the invention, thus the steel rope separating device has larger area, has no damage to the steel rope because of being in contact with a speed limiter steel rope, has large clamping force so as to be difficult to loosen, can reduce and eliminate elevator failures caused by hidden dangers of the elevator speed limiter, ensures that an elevator operates safely, can adapt to demands of different occasions, and is convenient for operation.

Description

The wire rope release unit is used in the elevator governor verification
Technical field
The present invention relates to a kind of wire rope clamping fastening device, particularly relate to a kind of elevator governor verification and use the wire rope release.
Background technique
Elevator is the bigger equipment of a kind of danger, and along with the progress of society and the development of human civilization, elevator and people's life is more and more closer.Since the reform and opening-up, along with development and national economy and rapid development, the process of Chinese Urbanization, urbanization is more and more faster, and increasing elevator gets into our life.For ensureing in safe operation with elevator, the protection people's the security of the lives and property, special equipment detects department every year all will year be detected and check carrying out with elevator to these, with elimination accident potential, reach minimizing and stop the purpose of elevator accident.
The speed limiting device verification is exactly one crucial in this many test item.GB7588--2003 " elevator manufacturing and safety standard ", [ 2002 ] No. 1 literary composition issues of state's quality inspection pot; " elevator supervision and inspection rules " (2002), all the verification to elevator governor has proposed clear and definite requirement.At present, the elevator governor testing apparatus has the fixation test platform and tests dual mode at the scene." elevator supervision and inspection rules " specified test requires: make speed limiting device take turns into free state the governor cable pull-up, this is the key procedure that all testing apparatuss are measured speed limiting device.But, carry out few in number with the feeler mechanism of elevator governor verification because field condition is limit and other a variety of causes.This is because every portable speed limiting device testing apparatus does not all have the supporting release unit of speed limiter wire rope.Do not have effective disengaging of governor cable and speed limiting device wheel, just do not know where to begin in test with elevator governor.This fatal drawbacks limit normally carrying out of this work of elevator governor verification.
In the past for the detection check of elevator governor, when fixing wire rope, adopt fixedly wire rope of locking pliers usually, with governor cable and belt tensioner disengaging.Its shortcoming is: the jaw gap is big, often need carry out the repair welding repacking; Chucking power is little, causes the wire rope slippage in the use easily, and even causes casualty accident; Area of contact is little, the easy damaged wire rope; In addition, carry inconvenience, poor for applicability.Thereby, develop a kind of effective, practical speed limiter wire rope release unit and just seem imperative.
Summary of the invention
The present invention is directed to the existing technology deficiency, propose a kind of elevator governor verification and use the wire rope release unit, the gripping head clamping wire rope that adopts hydraulic power and mate with wire rope; Chucking power is big, is difficult for getting loose, to the wire rope not damaged; And on-the-spot adaptability is strong, and is easy and simple to handle.
The technological scheme that the present invention adopted:
The wire rope release unit is used in a kind of elevator governor verification; Comprise hydraulic pressure force application mechanism and gripping head; Said hydraulic pressure force application mechanism comprises the fixed handle and pressurization flexible handle as oil hydraulic cylinder; Stretch out piston rod from the front end of said fixed handle; Said gripping head comprises that one has the anchor clamps cover (1) of hollow cavity and the connecting head (2) that is connected with its one, and what the movable respectively coupling in the hollow cavity two ends of said anchor clamps cover was installed the clamped wire rope decides piece (3) and slide block (4), saidly decides piece and the suitable wire rope direction of slide block is provided with " V " type opening slot; Said anchor clamps overlap that the piece of deciding of clamped wire rope is provided with wire rope import and export (5) with the slide block correspondence in a sidewall and its hollow cavity; Gripping head is through corresponding connections with the upper end portion of fixed handle of said connecting head (2), and said piston rod stretches into anchor clamps from the hollow cavity of connecting head and overlaps the corresponding connection of slide block interior and that restrict with clamped wire, and; The hollow cavity of said connecting head (2) is provided with step, is provided with the corresponding connection with piston rod of piston reset spring therein.
The wire rope release unit is used in described elevator governor verification; Clamped wire rope decide piece and slide block; Its opposite external side end face central position respectively is provided with directional post; Saidly decide piece (3) and be installed in the top of the hollow cavity of anchor clamps covers through its directional post, said directional post is nested be installed in anchor clamps cover roof that be provided with through hole said directional post coupling in; Said slide block (4) connects with the top of piston rod through its directional post, is provided with slider guide post embedded hole in the top center position of said piston rod.
The wire rope release unit is used in described elevator governor verification, and along the wire rope direction, opposite side Closed End and this side end face integral body of connecting head of anchor clamps cover are a plane, contacts with the speed limiting device base plate so that the wire rope release unit can be stable.
The wire rope release unit is used in described elevator governor verification, is provided with pressurization and pressure discharge control valve as being communicated with its internal hydraulic pressure oil circuit on the fixed handle of oil hydraulic cylinder.
Useful good effect of the present invention:
1, the wire rope release unit is used in elevator governor verification of the present invention, adopts hydraulic power and special vice piece clamping wire rope, speed limiter wire rope is given effectively fixing, so that speed limiting device effectively breaks away from belt tensioner, thereby speed limiting device speed is tested.Piece and the slide block type pincers block structure of deciding of gripping head makes it to have than large size and contacts with speed limiter wire rope, and to the wire rope not damaged, and chucking power is big, is difficult for getting loose.Can reduce and stop the elevator faults that causes because of elevator governor hidden danger, guarantee elevator safety operation, help to have ensured life property safety of people, promote the harmony of society to develop in a healthy way.
2, the wire rope release unit is used in elevator governor verification of the present invention, can be suitable for the needs of different occasions, and applied widely, easy and simple to handle, using effect is good.The present invention adopts the brank piece of cutting sth. askew; Anchor clamps decide piece and slide block structure; The speed limiting device requirement of the wire rope of suitable different size and different brands, different model; The wire rope that is suitable for different-diameters such as ¢ 6mm, ¢ 8 mm, ¢ 10mm uses, and anchor clamps adopt the contact of multiple spot face, effectively protection wire rope.Its chucking power reaches more than the 300N, and hydraulic working pressure reaches 5T, working stroke 15mm.
3, the wire rope release unit is used in elevator governor verification of the present invention, and is simple in structure, deft design, and piece is decided in pincers piece and the flexible connection of anchor clamps cover and slide block is replaceable, and long service life is economical and practical.The present invention has promoted the improvement and the innovation of elevator governor detection means, adapts to the needs that national elevator detects inspection procedure.Can be applicable to special equipments at different levels and detect inspection body, elevator manufactory, elevator installation, transformation, maintenance company, professional speed limiting device factory, application area is wide, have a extensive future.
4, the wire rope release unit is used in elevator governor verification of the present invention, and is simple, reliable, easy to use.The mode that adopts flank to slot has solved the problem of closed loop wire rope turnover jig.Because wire rope gets into the draw-in groove stressed substantially horizontal that derives from afterwards, has reduced the stressed of lumen flank, makes device body, the enhancing of head steady property be unlikely to the weight unbalance stress because of Idle wheel, and the inclination of generation device body.
5, the wire rope release unit is used in elevator governor verification of the present invention, in order to simplify the operation and to obtain bigger power, has improved the structure of hydraulic plunger Returnning spring, makes plunger automatically, evenly reset, and is practical.
Description of drawings
Fig. 1: elevator governor verification of the present invention is with wire rope release unit gripping head general assembly structural drawing;
Fig. 2: wire rope release unit anchor clamps of the present invention overlap main TV structure schematic representation;
Fig. 3: wire rope release unit anchor clamps cover side-looking structural representation of the present invention;
Fig. 4: (a) and (b), (c) are respectively and decide piece and slide block plan view, side view and plan view.
Embodiment
Embodiment one: referring to Fig. 1~Fig. 3.The wire rope release unit is used in elevator governor verification of the present invention; Comprise hydraulic pressure force application mechanism and gripping head; Said hydraulic pressure force application mechanism comprises the fixed handle and pressurization flexible handle as oil hydraulic cylinder; Stretch out piston rod from the front end of said fixed handle, the structure of said gripping head is as shown in Figure 1, comprises that one has the anchor clamps cover 1 of hollow cavity and the connecting head 2 that is connected with its one; What the movable respectively coupling in the forward and backward two ends of hollow cavity of said anchor clamps cover 1 was installed the clamped wire rope decides piece 3 and slide block 4; Saidly decide piece and slide block and be provided with " V " type opening slot along the wire rope direction, the piece of deciding that said anchor clamps overlap clamped wire rope in a sidewall and its hollow cavity is provided with wire rope with the slide block correspondence and imports and exports 5, and said gripping head passes through the corresponding connection with the upper end portion of fixed handle of connecting head 2; Said piston rod from the hollow cavity of connecting head stretch in the anchor clamps cover 2 and with the slide block 4 corresponding connections of clamped wire rope; And the hollow cavity of said connecting head 2 is provided with step, is provided with the corresponding connection with piston rod of piston reset spring therein.
Embodiment two: referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4; The wire rope release unit is used in the verification of present embodiment elevator governor, and different with embodiment one is, and is as shown in Figure 4; Clamped wire rope decide piece 3 and slide block 4; Its opposite external side end face central position respectively is provided with directional post 6, saidly decides piece 3 and is installed in the top of the hollow cavity of anchor clamps covers through its directional post, said directional post 6 is nested be installed in anchor clamps cover roof that be provided with through hole said directional post coupling in; Said slide block 4 connects with the top of piston rod through its directional post, is provided with slider guide post embedded hole in the top center position of said piston rod.
The wire rope release unit is used in described elevator governor verification, and along the wire rope direction, opposite side Closed End and this side end face integral body of connecting head of anchor clamps cover are a plane, contacts with the speed limiting device base plate so that the wire rope release unit can be stable.Be provided with pressurization and pressure discharge control valve in said the connection with its internal hydraulic pressure oil circuit on as the fixed handle of oil hydraulic cylinder.
This device is used in is testing occasion with elevator governor, uses during with speed limiter wire rope and governor sheave disengaging, and the recipient is not to restriction, and crimping is steady, is that elevator detects special device.
Use condition is explained as follows:
(1), make this device head steadily be placed on the working surface according to field condition;
(2) will move, after fixed slider fixes, fasten oil return switch (pressurization and pressure discharge control valve);
(3) wire rope is sticked into draw-in groove, pull flexible handle, make plunger pump work, oil pressure is risen; When (4) two fixture blocks compress wire rope, stop the spanner reinforcing;
(5) after testing finishes, unscrew the oil return switch, motion block automatically resets
This device uses day long afterwards, the corresponding minimizing of oil mass, No. 20 machinery oil of must annotating; During oiling, need revolve earlier and unload fixed handle, the back plug cock of oil storage bag pulled out (be strictly on guard against dust and foreign material sneak into), add with the 200 orders 20# machinery oil after the filtration of slipping through the net; Treat oil fill with overflow after, unclamp the oil return switch, pull for several times flexible handle repeatedly, discharge the air in the oil bag, again with the plug cock jam-pack; The handle that is tightened at last gets final product.

Claims (4)

1. the wire rope release unit is used in an elevator governor verification; Comprise hydraulic pressure force application mechanism and gripping head; Said hydraulic pressure force application mechanism comprises the fixed handle and pressurization flexible handle as oil hydraulic cylinder; Stretch out piston rod from the front end of said fixed handle; It is characterized in that: said gripping head comprises that one has the anchor clamps cover (1) of hollow cavity and the connecting head (2) that is connected with its one, and what the movable respectively coupling in the hollow cavity two ends of said anchor clamps cover was installed the clamped wire rope decides piece (3) and slide block (4), saidly decides piece and the suitable wire rope direction of slide block is provided with " V " type opening slot; Said anchor clamps overlap that the piece of deciding of clamped wire rope is provided with wire rope import and export (5) with the slide block correspondence in a sidewall and its hollow cavity; Gripping head is through corresponding connections with the upper end portion of fixed handle of said connecting head (2), and said piston rod stretches into anchor clamps from the hollow cavity of connecting head and overlaps the corresponding connection of slide block interior and that restrict with clamped wire, and; The hollow cavity of said connecting head (2) is provided with step, is provided with the corresponding connection with piston rod of piston reset spring therein.
2. the wire rope release unit is used in elevator governor verification according to claim 1; It is characterized in that: clamped wire rope decide piece and slide block; Its opposite external side end face central position respectively is provided with directional post; Saidly decide piece (3) and be installed in the top of the hollow cavity of anchor clamps covers through its directional post, said directional post is nested be installed in anchor clamps cover roof that be provided with through hole said directional post coupling in; Said slide block (4) connects with the top of piston rod through its directional post, is provided with slider guide post embedded hole in the top center position of said piston rod.
3. the wire rope release unit is used in elevator governor verification according to claim 1 and 2; It is characterized in that: along the wire rope direction; Opposite side Closed End and this side end face integral body of connecting head of anchor clamps covers are a plane, contact with the speed limiting device base plate so that the wire rope release unit can be stable.
4. the wire rope release unit is used in elevator governor verification according to claim 3, it is characterized in that: be provided with pressurization and pressure discharge control valve as being communicated with its internal hydraulic pressure oil circuit on the fixed handle of oil hydraulic cylinder.
CN201110325557.9A 2011-10-24 2011-10-24 Steel rope separating device for checking elevator limiter Expired - Fee Related CN102359546B (en)

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Application Number Priority Date Filing Date Title
CN201110325557.9A CN102359546B (en) 2011-10-24 2011-10-24 Steel rope separating device for checking elevator limiter

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CN102359546A true CN102359546A (en) 2012-02-22
CN102359546B CN102359546B (en) 2013-02-13

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102602761A (en) * 2012-03-16 2012-07-25 成都市特种设备检验院 Steel rope lifting gripper for checking elevator speed limiter
CN104816999A (en) * 2015-05-12 2015-08-05 锦州市特种设备监督检验所 Rapid rope disassembly and assembly device for elevator speed governor
CN104989785A (en) * 2015-07-21 2015-10-21 泰州市强达不锈钢丝绳有限公司 Steel wire rope connection device
CN106737389A (en) * 2017-01-22 2017-05-31 中海油能源发展股份有限公司 A kind of wire rope connector assembling device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1580606A (en) * 2003-08-01 2005-02-16 东芝电梯株式会社 Elevator steel rope connecton and its cold-extrusion shaping method and cold-extrusion device
CN201013836Y (en) * 2006-11-21 2008-01-30 缪一鸣 Locking apparatus of small pot-hook spring
CN202274046U (en) * 2011-10-24 2012-06-13 朱广慧 Steel wire rope separating device for verifying elevator speed limiter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1580606A (en) * 2003-08-01 2005-02-16 东芝电梯株式会社 Elevator steel rope connecton and its cold-extrusion shaping method and cold-extrusion device
CN201013836Y (en) * 2006-11-21 2008-01-30 缪一鸣 Locking apparatus of small pot-hook spring
CN202274046U (en) * 2011-10-24 2012-06-13 朱广慧 Steel wire rope separating device for verifying elevator speed limiter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102602761A (en) * 2012-03-16 2012-07-25 成都市特种设备检验院 Steel rope lifting gripper for checking elevator speed limiter
CN102602761B (en) * 2012-03-16 2013-11-20 成都市特种设备检验院 Steel rope lifting gripper for checking elevator speed limiter
CN104816999A (en) * 2015-05-12 2015-08-05 锦州市特种设备监督检验所 Rapid rope disassembly and assembly device for elevator speed governor
CN104989785A (en) * 2015-07-21 2015-10-21 泰州市强达不锈钢丝绳有限公司 Steel wire rope connection device
CN106737389A (en) * 2017-01-22 2017-05-31 中海油能源发展股份有限公司 A kind of wire rope connector assembling device

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Granted publication date: 20130213

Termination date: 20211024