CN208883387U - A kind of simple band-type brake structure of structure - Google Patents

Abstract

The utility model relates to a kind of simple band-type brake structures of structure.Structure is complicated for existing band-type brake, is easy to influence to use due to part is lost or fails.The utility model includes base, brake block, armature and electromagnet, reset spring is set between armature and electromagnet, armature can switch between band-type brake station and the station that declutches, band-type brake structure includes the component that declutches manually, the component that declutches manually includes manual bracket and the bar that declutches, bar forward movement of declutching is driven by manual bracket, so that armature is moved forward by band-type brake station and switches to the station that declutches.Disengaging mode between armature and brake block is pushed into mode by thimble and is changed to the bar pulling mode that declutches, manual bracket pulls armature far from brake block by declutching bar, effectively simplify the structure for the component that declutches manually, both its job stability had been effectively improved, it prevents because component failure or fall off due to lead to declutch component failures manually the case where, difficulty of processing is also reduced, production cost is thereby reduced.

Description

A kind of simple band-type brake structure of structure

Technical field

The utility model relates to elevators fields, and in particular to a kind of band-type brake structure.

Background technique

Elevator is widely used by people, and in multilayer or skyscraper, elevator is used to undertake the work of conveying people and object. Existing cage type elevator include the hoistway being vertically arranged, the guide rail in hoistway, can in hoistway along the carriage of lifting rail and Drive the driving mechanism of carriage lifting, driving mechanism includes the hoist engine of band reel, wirerope, pulley blocks and for braking Band-type brake structure, hoist engine realize carriage lifting by reel folding and unfolding wirerope, and band-type brake structure includes the base being sequentially stacked, brake Piece, armature and electromagnet, are equipped with reset spring between armature and electromagnet, reset spring drives armature to be cut by elastic-restoring force Shift to the band-type brake station being bonded with brake block, the electromagnet is realized that armature is switched to by axial magnetic and separated with brake block Declutch station, is additionally provided in band-type brake structure and declutches component manually, the component that declutches manually include be set on base lateral wall and Swingable manual bracket and manual support assorted and the thimble with spring, thimble first pass through base and are overlapped on armature direction again In base side wall surface, base is equipped with the variable diameter hole set for spring, and mandrel ends are equipped with the limited block of holding spring, spring pocket It sets on thimble, the step in spring one end and variable diameter hole changes conflict, and the other end and limited block contradict, and thimble is under the action of the spring It is detached from armature, when in use, it is mobile towards armature that user drives thimble by stirring manual bracket, and is pushed away by thimble It squeezes armature and brake block is detached from, realize operation of declutching.This structure has the following deficiencies: that thimble and spring plant the work of socket Dynamic component, thimble need to realize and reset that, when spring failure or disengaging thimble, thimble will be unable to reset using spring, cause to embrace Brake structure can not normal use, furthermore, it is necessary to the limited block and step ring of limit are arranged for thimble and spring, both improve plus Work difficulty, increases processing cost, is also easy to influence thimble reset because spring falls off or fails, influences band-type brake structure and normally transport Row.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provides a kind of simple band-type brake structure of structure, by armature with Disengaging mode between brake block pushes mode by thimble and is changed to the bar pulling mode that declutches, by simplifying the structure at the bar that declutches, both Ensure the job stability of band-type brake structure, also reduction difficulty of processing.

The utility model is accomplished by the following way: a kind of simple band-type brake structure of structure, including successively folds from back to front Base, brake block, armature and the electromagnet set, are equipped with reset spring between armature and electromagnet, reset spring is returned by elasticity Multiple power drives armature to switch to the band-type brake station being bonded with brake block, and the electromagnet realizes that armature switches to by axial magnetic The station that declutches separated with brake block, the band-type brake structure include the component that declutches manually, and the manual component that declutches includes Manual bracket on electromagnet front side wall and the bar that declutches for driving armature to move forward, are driven by manual bracket and are declutched Bar moves forward, so that armature is moved forward by band-type brake station and switches to the station that declutches.By the disengaging between armature and brake block Mode pushes mode by thimble and is changed to the bar pulling mode that declutches, and the component that will declutch manually is arranged in electromagnet side, manual bracket Armature is pulled by declutching bar far from brake block, and armature under action of reset spring by the Switch of working position that declutches to band-type brake station When, the bar that declutches automatically resets also with armature, effectively simplifies the structure for the component that declutches manually, had both effectively improved its operation is stable Property, it prevents from also reducing difficulty of processing, and then reduce because component failure or fall off due to lead to declutch component failures manually the case where Production cost.

Preferably, the bar front end of declutching is equipped with preposition limited block, manual branch is successively passed through in the rear end of the bar that declutches Affixed with postposition limited block after frame, electromagnet and armature, the manual bracket includes that a manual force side and one can contradict Support end on electromagnet lateral wall, manual bracket swung forward using support end as middle line and by the bar that declutches drive armature to Preceding movement.Preposition limited block and postposition limited block are respectively and fixedly connected to declutch on the both ends of bar, effective limit manual bracket and armature Activity space, and then ensure manual bracket swing when can by postposition limited block pull armature.The bar that declutches is set in manually The middle part of bracket, user move the force side of manual bracket, and manual bracket is swung centered on support end, and passes through connection The dynamic bar that declutches pulls armature, realizes armature by band-type brake Switch of working position to the station that declutches.

Preferably, the manual bracket middle section is opened up for the preposition perforation that bar places of declutching, the preposition limited block with Bar front end of declutching is affixed and by realizing limit with the aperture periphery of preposition perforation overlap joint.Distance of the support end to force side Greater than support end to the distance of preposition perforation, mitigate the required dynamics that declutches manually by arm of force difference, above-mentioned range difference away from Bigger, the power that user needs to apply is smaller, and the manual component that declutches of triggering is lighter.When in use, manual bracket passes through pushing Preposition limited block pulls the bar that declutches.

Preferably, opened up on the electromagnet for the bar that declutches place in set perforation, opened up on the armature and for pine The postposition perforation that restrictor bar places, the postposition limited block is affixed with the rod rear end that declutches and the aperture by perforating with the postposition is all Edge overlap joint realizes limit.Preposition perforation, in set perforation and postposition perforation be coaxial arrangement, the bar that both conveniently declutched successively passes through, Facilitate installation, also assure in set perforation and the preposition perforation bar that opposite can declutch be slided, it is ensured that pulling action is gone on smoothly.

Preferably, the bar that declutches is the screw rod that declutches, the screw head of the screw rod that declutches forms the preposition limited block, institute Stating postposition limited block is to be screwed onto the nut that declutches to declutch on screw rod.The nut that declutches, which is screwed onto, to declutch on screw rod, screw head and nut Between formed for armature, electromagnet and the movable space of manual bracket, it is ensured that manual bracket is pulled by screw head and is declutched screw rod, and Armature and brake block is driven to be detached from by the nut that declutches.In addition, declutch screw rod and the declutch manual bracket of nut cooperation realization, armature And electromagnet connection, it is ensured that the case where manual bracket is always positioned at the front of electromagnet, prevents manual bracket from falling off.

Preferably, the base, brake block, armature and electromagnet are in the form of annular discs and are coaxially set, the machine Seat and electromagnet extend radially outwardly to form axial corresponding surrounding edge.Brake block is hidden into the space of base and armature residual gap, both prevents Only brake block is contacted with the external world, plays the role of protection, is also adjusted component for spacing and is provided installation space.

Preferably, being equipped with spacing between the base and the correspondence surrounding edge of electromagnet adjusts component, spacing adjusts component packet Include Limit screw, the adjustment hole being provided on base and the adjustment spring being folded between base and electromagnet, Limit screw from It being screwed onto the adjustment hole after passing through electromagnet, adjustment spring after forward direction, adjustment spring is clamped between base and electromagnet, Limit screw is spirally connected depth and adjusts distance between base and electromagnet by control and adjustment hole.Screw thread is equipped in adjustment hole, Limit screw and adjustment hole cooperation are ensuring electricity by adjustment spring to limit the permission scope of activities between base and electromagnet The front side wall of magnet is contradicted with the screw head of Limit screw always, and then it is fair to ensure that the distance between electromagnet and base maintains always Perhaps the maximum value of scope of activities, it is ensured that the space for accommodating brake block and armature is reserved between electromagnet and base and for armature activity Space.

Preferably, being bolted with locking nut on the Limit screw, the locking nut is clamped in adjustment hole aperture Between periphery and adjustment spring.Locking nut prevents Limit screw relative adjustment hole from turning by contradicting with adjustment hole aperture periphery It is dynamic, and then ensure that electromagnet and interstand space meet requirement.

Preferably, the manual bracket is Y-shaped, including being set to the force side of vertical bar bottom end and being set to two brace tops The support end in portion, the component that declutches manually include the bar that declutches corresponding with the brace respectively, and manual bracket is with two support ends It is swung forward centered on line and two bars that declutch is driven to move synchronously.The bar that declutches is two, and is split in the two sides of electromagnet, is led to Cross increase declutch bar quantity increase to armature force point, it is ensured that armature energy Integral synchronous be detached from brake block, prevent armature because Be partially broken away from brake block and influence to declutch effect the case where.Manual bracket is structure as a whole, it is ensured that declutch bar energy synchronization action.

Preferably, protuberance forms and has dome shape with support end overlapped convex block, convex block on the electromagnet lateral wall. Convex block plays the role of support to support end, so that having between manual bracket and electromagnet between user's grasping force side Gap facilitates operation.

It is changed to declutch the utility model has the beneficial effects that the disengaging mode between armature and brake block is pushed mode by thimble Bar pulls mode, and the component that declutches manually is arranged in electromagnet side, and manual bracket pulls armature by declutching bar far from brake Vehicle piece, and armature under action of reset spring by declutch Switch of working position to band-type brake station when, the bar that declutches is automatically multiple also with armature Position effectively simplifies the structure of component of declutching manually, had both effectively improved its job stability, prevents from leading because of component failure or fall off due to Cause manually declutch component failures the case where, also reduce difficulty of processing, thereby reduce production cost.

Detailed description of the invention

Fig. 1 is the utility model broken section structural schematic diagram；

Fig. 2 is the utility model structure diagram；

In figure: 1, base, 2, brake block, 3, armature, 4, electromagnet, 5, reset spring, 6, manual bracket, 7, declutch bar, 8, preposition limited block, 9, postposition limited block, 10, force side, 11, support end, 12, preposition perforation, 13, in set perforation, 14, postposition Perforation, 15, Limit screw, 16, adjustment spring, 17, adjustment hole, 18, locking nut, 19, convex block.

Specific embodiment

Make further with substantive distinguishing features of the specific embodiment to the utility model with reference to the accompanying drawings of the specification It is bright.

A kind of simple band-type brake structure of structure as shown in Figure 1, by from rear to the preceding base 1 being sequentially stacked, brake block 2, Armature 3 and electromagnet 4 form, and reset spring 5 is equipped between armature 3 and electromagnet 4, and reset spring 5 is driven by elastic-restoring force So that armature 3 is switched to the band-type brake station being bonded with brake block 2, the electromagnet 4 pass through axial magnetic realize armature 3 switch to The station that declutches that brake block 2 separates, the band-type brake structure include the component that declutches manually, and the manual component that declutches includes setting In the manual bracket 6 on 4 front side wall of electromagnet and the bar 7 that declutches for driving armature 3 to move forward, driven by manual bracket 6 The bar 7 that declutches moves forward, so that armature 3 is moved forward by band-type brake station and switches to the station that declutches.

When in use, armature 3 pushes brake block 2 towards base 1 under the action of reset spring 5, and cooperates with base 1 The brake block 2 is clamped, the two side walls of armature 3 are bonded friction with the forward surface of base 1 and armature 3 respectively, so that brake block 2 It can not be freely rotated, realize band-type brake function.When needing to declutch, electromagnet 4 be powered simultaneously attract armature 3 to draw close, armature 3 by The magnetic force of generation from electromagnet 4 is drawn close after attracting to electromagnet 4, and in the process, reset spring 5 is compressed, armature 3 with Brake block 2 is detached from, and brake block 2 can be freely rotated between base 1 and armature 3.

When in use, when electromagnet 4 fails because losing power supply, user can be by the component that declutches manually to brake Piece 2 carries out processing of declutching, and in operation, user grasps the force side 10 of manual bracket 6 and puts to the direction far from electromagnet 4 Dynamic, manual bracket 6 is swung centered on support end 11 after by active force, and manual 6 middle section of bracket is also therewith far from electricity Magnet 4, during manual stabilizer blade is swung, the front port periphery of preposition perforation 12 is declutched by preposition limited block 8 to pull Bar 7 moves forward, and the bar 7 that declutches of forward movement is contradicted and pushed with postposition 14 rear port peripheries of perforation by postposition limited block 9 Armature 3 is mobile towards electromagnet 4, and armature 3 and brake block 2 are detached from, armature 3 by band-type brake Switch of working position to the station that declutches, meanwhile, it is multiple Position spring 5 is compressed.When user removes the active force to manual 6 force side 10 of bracket, armature 3 can be in reset spring 5 By the Switch of working position that declutches to band-type brake station under active force, meanwhile, armature 3 drives manual bracket 6 to reset by the bar 7 that declutches, convenient Next operation of declutching manually.

In actual operation, armature 3 by band-type brake Switch of working position to declutch station when need to overcome the effect of reset spring 5 Power, in order to reduce the workload of operator, preposition perforation 12 is preferably provided with manual 6 middle section of bracket close to the area of support end 11 Domain increases torque arm length by increasing force side 10 at a distance from support end 11, reduces between support end 11 and preposition perforation 12 Distance reduce torque arm length, and then effectively reduce the force intensity of user, facilitate operation.

In actual operation, equipped with preposition limited block 8, the rear end for declutching bar 7 is successively passed through for 7 front end of bar of declutching Affixed with postposition limited block 9 after manual bracket 6, electromagnet 4 and armature 3, the manual bracket 6 includes a manual force side 10 And one can contradict the support end 11 on 4 lateral wall of electromagnet, manual bracket 6 is that middle line swings and leads to forward with support end 11 Crossing the bar 7 that declutches drives armature 3 to move forward.The bar 7 that declutches is to declutch screw rod, the screw head of the screw rod that declutches formed it is described before Limited block 8 is set, the postposition limited block 9 is to be screwed onto the nut that declutches to declutch on screw rod.The screw rod that declutches with the nut that declutches Formation is declutched bar 7, preposition limited block 8 and postposition limited block 9, and the bar 7 that declutches is between preposition limited block 8 and postposition limited block 9 Distance, which meets, wears the requirement for connecing armature 3, electromagnet 4 and manual bracket 6, and provides activity space for armature 3.

In actual operation, 6 middle section of manual bracket opens up the preposition perforation 12 placed for the bar 7 that declutches, described preposition Limited block 8 is affixed with 7 front end of bar of declutching and by realizing limit, the electromagnetism with the aperture periphery overlap joint of the preposition perforation 12 Opened up on iron 4 for the bar 7 that declutches place in set perforation 13, open up on the armature 3 and perforate with for the postposition that bar 7 places that declutches 14, the postposition limited block 9 is affixed with 7 rear end of bar of declutching and realizes limit by the aperture periphery overlap joint with postposition perforation 14 Position.Preposition perforation 12, in set perforation 13 and postposition perforation 14 has the same diameter, and be greater than the diameter for the bar 7 that declutches, it is ensured that Declutch bar 7 can it is preposition perforation 12, in set perforation 13 and postposition perforation 14 in slide.

In actual operation, the base 1, brake block 2, armature 3 and electromagnet 4 is in the form of annular discs and coaxial line is set It sets, the base 1 and electromagnet 4 extend radially outwardly to form axial corresponding surrounding edge.Armature 3, electromagnet 4, brake block 2 with And the outer edge contour of base 1 is rounded, the outer edge contour of armature 3, electromagnet 4 and base 1 matches each other, brake block 2 Size is smaller, and after installation, brake block 2 is hidden between armature 3 and base 1, and annular is formed between armature 3 and the surrounding edge of base 1 Space, it is convenient for assembly for accommodating declutch nut and spacing adjusting component etc..

In actual operation, it is equipped with spacing between the base 1 and the correspondence surrounding edge of electromagnet 4 and adjusts component, spacing is adjusted Component includes Limit screw 15, the adjustment hole being provided on base 1 17 and the adjusting bullet being folded between base 1 and electromagnet 4 Spring 16, Limit screw 15 are screwed onto the adjustment hole 17 after passing through electromagnet 4, adjustment spring 16 from front to back, adjustment spring 16 be clamped between base 1 and electromagnet 4, and Limit screw 15 is spirally connected depth and adjusts base 1 by controlling with adjustment hole 17 The distance between electromagnet 4.Spacing adjust component for control electromagnet 4 between base 1 at a distance from, both ensured armature 3 have axis To movable space, the sensitivity of holding brake action and movement of declutching also is improved by controlling the axial movable amplitude of armature 3.Institute The elastic acting force for stating adjustment spring 16 is greater than the elastic acting force of reset spring 5, it is ensured that manual bracket 6 is moved in driving armature 3 When dynamic and compression reseting spring 5, electromagnet 4 can ensure that distance remains unchanged between base 1 under the effect of adjustment spring 16, in turn Ensure that armature 3 can be separated with brake block 2, it is ensured that brake block 2 can automatic movable.

In actual operation, holding brake action be with armature 3 and base 1 clamp brake block 2 realize, when armature 3 with After brake block 2 separates, although brake block 2 may be bonded with base 1, make since brake block 2 does not have towards the axial direction of base 1 Firmly, so that the frictional force between brake block 2 and base 1 is controlled in smaller range, and influence very little is rotated on brake block 2, with The rotation of brake block 2, the spacing between brake block 2 and base 1 also can be with increase, and then completely eliminates base 1 to 2 turns of brake block Dynamic obstruction.

In actual operation, locking nut 18 is bolted on the Limit screw 15, the locking nut 18 is clamped in Between 17 aperture periphery of adjustment hole and adjustment spring 16.The locking nut 18 can also be changed to circlip, as long as to caging bolt Positioning action is played, specific embodiment of the utility model is regarded as.

In actual operation, as shown in Fig. 2, the size of the armature 3 is corresponding with electromagnet 4,3 periphery of armature is opened up The escape groove placed for Limit screw 15, it is ensured that armature 3 can move axially between electromagnet 4 and base 1, and then realize and embracing Switch between lock station and the station that declutches.

In actual operation, the manual bracket 6 is Y-shaped, including being set to the force side 10 of vertical bar bottom end and set on two Support end 11 at the top of a brace, the component that declutches manually include the bar 7 that declutches corresponding with the brace respectively, manual bracket 6 are swung forward centered on two support ends, 11 line and two bars 7 that declutch are driven to move synchronously.In addition, the shape of manual bracket 6 is also It can be adjusted according to the actual situation, such as triangle, arc-shaped etc., be regarded as specific embodiment of the utility model.

In actual operation, protuberance is formed and overlapped convex block 19, the convex block 19 of support end 11 on 4 lateral wall of electromagnet With dome shape, smoothly slided convenient for support end 11 on 19 surface of convex block.

In actual operation, Limit screw, brake pull-rod are axially to place, and play week to base, armature and electromagnet To the effect of limitation rotation.

Claims (10)

1. a kind of simple band-type brake structure of structure, including the base (1), brake block (2), armature (3) being sequentially stacked from back to front And electromagnet (4), reset spring (5) are equipped between armature (3) and electromagnet (4), reset spring (5) is driven by elastic-restoring force Armature (3) is set to switch to the band-type brake station being bonded with brake block (2), the electromagnet (4) passes through axial magnetic and realizes armature (3) Switch to the station that declutches separated with brake block (2), which is characterized in that the band-type brake structure includes the component that declutches manually, described The component that declutches manually includes the manual bracket (6) on electromagnet (4) front side wall and the pine for driving armature (3) forward movement Restrictor bar (7) drives the bar that declutches (7) to move forward by manual bracket (6), so that armature (3) is moved forward simultaneously by band-type brake station Switch to the station that declutches.

2. the simple band-type brake structure of a kind of structure according to claim 1, which is characterized in that the bar that declutches (7) front end Equipped with preposition limited block (8), manual bracket (6), electromagnet (4) and armature (3) are successively passed through in the rear end of the bar that declutches (7) Affixed with postposition limited block (9) afterwards, the manual bracket (6) includes that a manual force side (10) and one can contradict in electromagnet (4) support end on lateral wall (11), manual bracket (6) are that middle line is swung forward and by the bar that declutches (7) with support end (11) Armature (3) are driven to move forward.

3. the simple band-type brake structure of a kind of structure according to claim 2, which is characterized in that in the manual bracket (6) The preposition perforation (12) that Duan Kaishe is placed for the bar (7) that declutches, the preposition limited block (8) is affixed with the bar that declutches (7) front end and leads to It crosses and realizes limit with the aperture periphery overlap joint of the preposition perforation (12).

4. the simple band-type brake structure of a kind of structure according to claim 3, which is characterized in that opened on the electromagnet (4) If for the bar that declutches (7) place in set perforation (13), open up on the armature (3) and perforate with for the postposition that bar (7) places that declutches (14), the postposition limited block (9) is affixed with the bar that declutches (7) rear end and by taking with the aperture periphery of postposition perforation (14) Connect realization limit.

5. the simple band-type brake structure of a kind of structure according to claim 2, which is characterized in that the bar that declutches (7) is pine Lock screw rod, the screw head of the screw rod that declutches form the preposition limited block (8), and the postposition limited block (9) is to be screwed onto declutch The nut that declutches on screw rod.

6. the simple band-type brake structure of a kind of structure according to claim 1-5, which is characterized in that the base (1), brake block (2), armature (3) and electromagnet (4) are in the form of annular discs and be coaxially set, the base (1) and electromagnet (4) it extends radially outwardly to form axial corresponding surrounding edge.

7. the simple band-type brake structure of a kind of structure according to claim 5, which is characterized in that the base (1) and electromagnetism It is equipped with spacing between the correspondence surrounding edge of iron (4) and adjusts component, spacing adjusts component and includes Limit screw (15), is provided with base (1) On adjustment hole (17) and the adjustment spring (16) that is folded between base (1) and electromagnet (4), Limit screw (15) is from forward direction After pass through after electromagnet (4), adjustment spring (16) and be screwed onto the adjustment hole (17), adjustment spring (16) is clamped in base (1) between electromagnet (4), Limit screw (15) is spirally connected depth and adjusts base (1) and electricity by controlling with adjustment hole (17) Distance between magnet (4).

8. the simple band-type brake structure of a kind of structure according to claim 7, which is characterized in that on the Limit screw (15) Be bolted with locking nut (18), the locking nut (18) be clamped in adjustment hole (17) aperture periphery and adjustment spring (16) it Between.

9. the simple band-type brake structure of a kind of structure according to claim 1-5, which is characterized in that the manual branch Frame (6) is Y-shaped, the force side (10) including being set to vertical bar bottom end and the support end (11) at the top of two braces, described The component that declutches manually includes that the bar that declutches (7) corresponding with the brace, manual bracket (6) are respectively with two support ends (11) line Center swings forward and two bars (7) that declutch is driven to move synchronously.

10. the simple band-type brake structure of a kind of structure according to claim 9, which is characterized in that on the outside of the electromagnet (4) Protuberance, which is formed, on wall has dome shape with support end (11) overlapped convex block (19), convex block (19).