CN2758218Y - Rope clamping device for elevator lifting over speed - Google Patents

Abstract

The utility model relates to a rope clamping device for a lifting overspeed elevator, which can be arranged between a dragging wheel and a directive wheel or can be arranged under the directive wheel, and a wirerope passes through the middle of the rope clamping device. The utility model is used for correcting failures of the operation of the elevator and protecting the safety of the elevator. The utility model comprises a wirerope clamping mechanism and a triggering mechanism, the clamping mechanism is provided with a removable wedge block and a fixing wedge block, and the removable wedge block and the fixing wedge block are symmetrically arranged at the front side and the back of side of the wirerope. The triggering mechanism is provided with an instant-on switch, two hook plates and a triggering rod, wherein the triggering rod is arranged between the two hook plates and is fixed with the two hook plates, the removable wedge block is connected with the hook plates in a hanging mode through movable pins, a triggering pull rope is arranged on the triggering rod, and the triggering pull rope is connected to a speed limiter of the elevator. The restoration of the utility model is operated by hands, poles are respectively inserted in predetermined holes of the movable wedge block, and the poles can be slightly lifted. The utility model has small triggering force and short triggering distance, when the utility model is sequentially operated because of inertia, the rope clamping device can clamp tightly and tightly, and the size of braking force can be adjusted. The utility model has the advantages of compact structure, small volume, light weight, convenient restoration, etc.

Description

Rope brake for overspeed upgoing elevator

Technical field

The utility model relates to the fault correction or the technical field of safety devices of elevator operation, especially relates to friction force acting on brake equipment on the car conductor rope.

Background technology

Prevent the mechanism that elevator overspeed is up at present, employing is arranged, make elevator entrainment machine out of service, with safety tongs guide rail is clamped again, make modes such as bridge case stop because of hypervelocity triggers the limiting device switch; These modes are because elevator operation inertia is big, and bridge case stop time expand exists unsafe hidden danger; For implementing overspeed protection, gradual braking, China's utility model patent discloses a kind of " brake for towline of elevator ", the patent No.: 01274866.8, the technical scheme of this patent is analogous to China's patent of invention disclosed a kind of " with the elevator car brake of spring driven brake shoes " publication number: CN1084482A, be by the moving liner plate of customization that is fixed on the riser, moving brake liner plate with the moving parallel making and settlement of liner plate of customization, the bearing pin that brake liner plate leads up and down will be moved, the link arm of two braking liner plate both sides is formed a clamping device, traction sheave is from passing between them, two link arms, one end and moving brake liner plate are hinged, the other end is hinged with the slide shaft that is through slip in the riser slotted hole, the energy stroage spring drawknot that slide shaft is fixed by the bottom, and be connected with trigger mechanism, reset by Bringing-back mechanism; Have characteristics such as simple in structure, that cost is low, overall dimensions are little; Shortcoming is that the required triggering power of pulling latch hook is bigger, clamps rope entirely by the spring force of energy stroage spring, with the positive pressure of parallel splint rope is clamped, and required Clamping force is also big.

Summary of the invention

The purpose of this utility model is in order to overcome above-mentioned defective, provide a kind of when ascending for elevator exceeds the speed limit, under the triggering of speed monitoring device, can be with less triggering power, steel rope is clamped in realization, when continuing operation because of inertia, wire holder can press from both sides tighter and tighter, makes the rope brake for overspeed upgoing elevator of the up car deceleration stop of hypervelocity.

For achieving the above object, the technical solution of the utility model is such: a kind of rope brake for overspeed upgoing elevator, and be installed between elevator traction wheel and the track adjusting wheel or be installed under the track adjusting wheel, steel rope passes in the middle of wire holder; This wire holder has a frame, and this frame is by framework soleplate and be fixed in frame mainboard on the framework soleplate and upper, middle and lower framework lateral plate that frame backboard and the left and right sides are fixed between frame mainboard and the frame backboard constitutes; The Wedge-type steel rope is installed in frame clamps mechanism and trigger mechanism, said clamping mechanism has the movable voussoir that is symmetrically arranged in both sides before and after the steel rope, fixing voussoir, be fixed with liner plate on the movable voussoir, movable voussoir and fixedly be provided with ball row between the voussoir, on fixing voussoir, be fixed with movable voussoir and contacting the guide plate that connects, at movable voussoir with fixedly be fixed with extension spring between the voussoir; Fixedly voussoir links by a pair of dish spring pin and the frame mainboard of arranging up and down, and dish spring pin is provided with the dish spring, is provided with the stop pad on the frame mainboard; In fixing voussoir bottom by the bolt supporting that is located on the frame; Be fixed with the adjusting bolt in movable voussoir bottom; Said trigger mechanism has the hanger plate that fixes with the machine frame at two sides side plate respectively by set pin, and between two hanger plates and the frizzen that fixes with it; Hang connection activity voussoir by removable pin on the hanger plate, pilot bar is installed on the frizzen and triggers stay cord, the pilot bar other end is equipped with stage clip by the frame mainboard on the pilot bar, and stage clip is between frizzen and the frame mainboard; The triggering stay cord passes the frame mainboard and is external to elevator governor; Snap switch also is installed on the frame mainboard, and its contact can contact connection with frizzen.

Working process of the present utility model is such: when the up hypervelocity of lift car reaches the responsiveness of velocity limiter, velocity limiter generation mechanical action moves to the snap switch direction by triggering stay cord drive frizzen, and frizzen can make the snap switch action earlier, cut off the electricity supply, make the towing machine stall; Hanger plate moves with frizzen removable pin is broken off relations simultaneously, and the movable voussoir while liner plate before and after lower slider makes in steel rope both sides is clamped steel rope.Because inertia makes the car of hypervelocity continue upward movement, promptly counterweight can continue to move downward, and traction steel-cable will continue to glide by drive activity voussoir like this, till the framework soleplate of the position, adjustable bolt top of movable voussoir.At this moment the butterfly spring voussoir that has been fixed has compressed a certain amount of, movable voussoir has produced enough positive pressures to steel rope, when steel rope continues to lower slider, make liner plate by special material on the movable voussoir steel rope is produced enough and the friction force steel rope reversing of motion, make the rapid stop of the counterweight that moves downward, that is to say to make up car deceleration stop.Fault is eliminated the back and is adopted hand reset, as long as with pole respectively in the default hole of insertion activity voussoir, carries and can reset on gently when resetting.

Owing to adopted technique scheme, a kind of rope brake for overspeed upgoing elevator of the present utility model, required triggering power is little, required triggering stroke is short, and the liner plate of the movable voussoir of glancing impact and steel rope despatch wiping power are big, when continuing operation because of inertia, wire holder can press from both sides tighter and tighter, and do not damage steel rope, as long as the braking force adjustable size is the extension elongation of the adjustable bolt of adjustment activity voussoir bottom, stroke that can adjustment activity voussoir, change the amount of compression of dish spring, thereby reach the purpose of adjusting braking force, and have compact conformation, volume is little, in light weight, characteristics such as it is convenient to reset.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in detail.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the C-C cutaway view Amplified image of Fig. 1.

Fig. 3 is the left view of Fig. 1.

Fig. 4 is the birds-eye view after Fig. 1 removes support.

Fig. 5 is the structural representation that Fig. 1 removes assemblies such as support, side plate and frizzen.

Fig. 6 is installation site figure of the present utility model.

Among the figure: 1, preceding guide plate, 2, rear deflector, 3, set pin, 4, dowel bolt, 5, removable pin, 6, frame lower-left side plate, 7, left side support, 8, the frame epipleural, 9, the frame latus inframedium, 10, the frame lower side panel, 11, right support, 12, frizzen, 13, trigger stay cord, 14, snap switch, 15, pilot bar, 16, stage clip, 17, hanger plate, 18, ball row, 19, reset hole, 20, the frame backboard, 21, the movable voussoir in back, 22, rear lining plate, 23, adjustable bolt, 24, the back is voussoir fixedly, and 25, bolt, 26, the support base plate, 27, preceding fixedly voussoir, 28, extension spring, 29, the dish spring, 30, dish spring pin, 31, preceding liner plate, 32, the stop pad, 33, preceding movable voussoir, 34, the frame mainboard, 35, steel rope, 36, car, 37, traction sheave, 38, rope brake for overspeed upgoing elevator, 39, track adjusting wheel, 40, counterweight.

The specific embodiment

By Fig. 1-shown in Figure 6, a kind of rope brake for overspeed upgoing elevator 38 of the present utility model is installed between elevator traction wheel 37 and the track adjusting wheel 39, and it is car 36 that elevator traction is taken turns 37 the other end; Perhaps be installed on the counterweight 40 under the track adjusting wheel 39, steel rope 35 passes in the middle of rope brake for overspeed upgoing elevator 38, by dowel bolt 4 location; This wire holder has a frame, be fixed on the left and right sides support 7,11, this frame is by framework soleplate 26 and be fixed in frame mainboard 34 on the framework soleplate and upper, middle and lower framework lateral plate 8,9,10,6 that frame backboard 20 and the left and right sides are fixed between frame mainboard and the frame backboard constitutes; The Wedge-type steel rope is installed in frame clamps mechanism and trigger mechanism, said clamping mechanism has the movable voussoir 33,21 that is symmetrically arranged in both sides, steel rope 35 front and back, fixing voussoir 27,24, be fixed with liner plate 31,22 on the movable voussoir, and on movable voussoir, be provided with reset hole 19, reset hole has 4, establish two holes on the every movable voussoir, reset in order to insert to carry on the pole; Movable voussoir and fixedly be provided with ball row 18 between the voussoir fixedly being fixed with the guide plate 1,2 that contacts connection with movable voussoir on the voussoir, is fixed with extension spring 28 between preceding movable voussoir 33 and preceding fixedly voussoir 27; Back fixedly voussoir 24 directly links with frame backboard 20, and preceding fixedly voussoir 27 links by the dish spring pin 30 and the frame mainboard 34 of a pair of layout up and down, and dish spring pin is provided with dish spring 29, is provided with stop pad 32 at dish spring pin and frame mainboard point of attachment; In fixing voussoir bottom by bolt 25 supportings that are located on the frame; Be fixed with adjustable bolt 23 in movable voussoir bottom; Said trigger mechanism has the hanger plate 17 that fixes with left and right sides frame epipleural 8 respectively by set pin 3, and between two hanger plates front side and the frizzen 12 that fixes with it; Hang connection activity voussoir by removable pin 5 on the hanger plate, pilot bar 15 is installed on the frizzen and triggers stay cord 13, the pilot bar other end is equipped with stage clip 16 by the frame mainboard on the pilot bar, and stage clip is between frizzen and the frame mainboard; The triggering stay cord passes the frame mainboard and is external to elevator governor; Snap switch 14 also is installed on the frame mainboard, and its contact can contact connection with frizzen.

Claims (4)

1, a kind of rope brake for overspeed upgoing elevator, be installed between elevator traction wheel and the track adjusting wheel, perhaps be installed under the track adjusting wheel, steel rope (35) is from its middle passing, it is characterized in that: this wire holder has a frame, be fixed on the left and right sides support (7,11), this frame is by framework soleplate (26) and be fixed in frame mainboard (34) on the framework soleplate and upper, middle and lower framework lateral plate (8,9,10,6) that frame backboard (20) and the left and right sides are fixed between frame mainboard and the frame backboard constitutes; The Wedge-type steel rope is installed in frame clamps mechanism and trigger mechanism, said clamping mechanism has the movable voussoir (33,21) that is symmetrically arranged in both sides before and after the steel rope (35), fixing voussoir (27,24), be fixed with liner plate (31,22) on the movable voussoir, and on movable voussoir, be provided with reset hole (19), movable voussoir and fixedly be provided with ball row (18) between the voussoir, fixedly being fixed with the guide plate (1,2) that contacts connection with movable voussoir on the voussoir, between preceding movable voussoir (33) and preceding fixedly voussoir (27), be fixed with extension spring (28); The back fixedly voussoir (24) directly and frame backboard (20) link, preceding fixedly voussoir (27) links by dish spring pin (30) and frame mainboard (34), dish spring pin is provided with dish spring (29); In fixing voussoir bottom by bolt (25) supporting that is located on the frame; Be fixed with adjustable bolt (23) in movable voussoir bottom; Said trigger mechanism has the hanger plate (17) that fixes with left and right sides frame epipleural (8) respectively by set pin (3), and between two hanger plates front side and the frizzen (12) that fixes with it; Hang connection activity voussoir by removable pin (5) on the hanger plate; Pilot bar (15) is installed on the frizzen and triggers stay cord (13), the pilot bar other end is equipped with stage clip (16) by the frame mainboard on the pilot bar, and stage clip is between frizzen and the frame mainboard; The triggering stay cord passes the frame mainboard and is external to elevator governor; Snap switch (14) also is installed on the frame mainboard, and its contact can contact connection with frizzen.

2, a kind of rope brake for overspeed upgoing elevator according to claim 1 is characterized in that: reset hole (19) has 4 on said movable voussoir, establishes two holes on the every movable voussoir.

3, a kind of rope brake for overspeed upgoing elevator according to claim 1 is characterized in that: said fixedly voussoir and the joining dish spring of frame mainboard pin (30) are two that arrange up and down.

4, a kind of rope brake for overspeed upgoing elevator according to claim 1 is characterized in that: the point of attachment at said dish spring pin (30) and frame mainboard (34) is provided with stop pad (32).

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