Summary of the invention
The invention provides the elevator rail clamping device that a kind of structure is simple, clamping stroke is short, force increasing ratio is large.
The present invention takes following technical scheme: a kind of elevator rail clamping device, comprises two adapter plates, and two adapter plates form corresponding breach, between the adapter plate of breach both sides, respectively establish a parallel-moving type slipper; Arrange trigger mechanism, Bringing-back mechanism, transmission device and lockout mechanism between two adapter plates, under normality, lockout mechanism pins transmission device, and the clamping face of two slipper relatively and leave spacing; During folder rail action, trigger mechanism impels the locking of lockout mechanism releasing to transmission device, and the slipper described in transmission device promotes carries out the action of folder rail to offside translation; After the action of slipper folder rail, transmission device resets by Bringing-back mechanism, and trigger mechanism comprises an electromagnet, the portable bar overcoat of electromagnet also pushes up pressure one energy-storaging spring, during electromagnet dead electricity, its portable bar outwards impacts under the effect of energy-storaging spring, and impels lockout mechanism to unlock; Described Bringing-back mechanism comprises a motor, and the output shaft of motor drives a screw rod, and screw rod spins impeller, and impeller is mobile and can promote transmission device and reset with the rotation of screw rod.
Preferably, transmission device comprises two of symmetrical laying and contacts arm, and contact arm and be assemblied in rotationally between two adapter plates by an axle, the first end contacting arm is top contact end, and this top contact end can push up the back side of compacting motion block; Two the second ends contacting arm assemble the first fulcrum, the second fulcrum respectively.
Preferably, lockout mechanism comprises latch hook, first fulcrum described in first end normal-running fit of latch hook, and the second end edge of latch hook forms hook groove, and under normality, hook groove hook is in the second described fulcrum.
Preferably, arrange a driver train between two adapter plates, when the hook groove of latch hook departs from for the locking of the second fulcrum, driver train pushes up the second end of the contact arm that bears down on one laterally and makes it rotate, and then make the slipper back side of the first end top pressure homonymy contacting arm, make slipper to offside translation.
Preferably, driver train comprises block seat, spring and Mobile base, and block seat is fixedly installed between two adapter plates, and Mobile base is assemblied between two adapter plates slidably, and the two ends of spring peak at block seat, Mobile base respectively; The application force of spring makes Mobile base slide, and then outwards pushes up the second end of the contact arm that bears down on one.
Preferably, block seat is fixedly connected with the first bar, and the other end of the first bar stretches within loop bar, between the two telescopic cooperation; The other end of loop bar is fixed on Mobile base; Described spring is inserted in outside first bar and loop bar.
Preferably, inside the second end contacting arm, form circular arc recess, to the inner side edge of the second end end along in towards tilted inclined plane shape from indent; The top and bottom of Mobile base are fixedly connected with a Moving-strip respectively, are connected between the two ends of two Moving-strips respectively by a shifting bar; Under normality, shifting bar is just placed in the indent contacting arm.
Preferably, the the second end inner side edge edge contacting arm is towards tilted inclined plane shape, and the dual-side of Mobile base along with described the second end inner side edge contacting arm along suitable, in the course of action of Mobile base, by dual-side the contacting arm edge and making its this end laterally rotate gradually along top pressure homonymy of Mobile base.
Preferably, lateral surface two edge of Mobile base respectively forms the arcwall face of an evagination, and two arcwall faces are respectively just to the fulcrum of homonymy.
Preferably, the second end contacting arm is fixedly connected with blend stop, and blend stop connects the second bar, and the second bar overcoat second spring, the second spring has towards the application force of offside the second end contacting arm.
Note: above-mentioned "/" represents "or".
Elevator rail clamping device of the present invention has the advantages such as structure is simple, clamping stroke is short, reinforcement is large.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.
Embodiment 1
See Fig. 1-8, top board 1 is identical with the structure of base plate 2, all the side's of being shape, and has oblong breach 1-1.Top board 1 laying parallel with base plate about 2, and breach is between the two corresponding up and down, the breach of two plates is used for the cage guide 4 that stretches through.Take breach as benchmark, between the dual-side of two plates 1,2, be fixedly connected with a riser 3 respectively.
Each bearing fit one slipper 5 between two plates 1,2 of breach both sides, slipper 5 is in Fang Tizhuan, its upper and lower surface respectively forms a square raised line 5-1, the direction of raised line 5-1 is consistent with the direction of slip of slipper 5, corresponding, top board 1, base plate 2 respectively form chute, insert the raised line 5-1 of corresponding slipper and bearing fit in chute.Under normality, as shown in Figure 5, the clamping face of slipper 5 maintains an equal level with place, the corresponding edge longitudinal plane of breach, and the clamping face of two slipper 5 faces.When after rail clamping device action, its slipper 5 to Slideslip, until the slipper 5 of both sides clamps cage guide 4, see Fig. 6.
The clamping face of slipper 5 is formed uniformly several horizontal groove 5-2, to make it have stronger Clamping force.
With the oblong breach of adapter plate for benchmark, what the both sides between two plates 1,2 can be rotated respectively by axle 6 assembling contacts arm 7, two contact arm 7 is symmetrical arranged, the one end contacting arm 7 is top contact end, and the face that the contacts 7-1 of this top contact end is towards offside and contact the back side (side relative with clamping face) of slipper 5.Inside the other end place contacting arm 7, form circular arc recess 7-2, and be towards tilted inclined plane shape to the inner side edge of other end end along 7-3 from indent.The other end contacting arm 7 also assembles a fulcrum 8, wherein one end of the fulcrum 8 normal-running fit latch hook 18 of side, and the other end edge of latch hook 18 forms hook groove 18-1, all curved shape transition of this hook groove and other parts edge.Under normality, this hook groove 18-1 hook is in the fulcrum 8 of offside.
Install block seat 9 by two poles 10 between in the middle part of two plates 1,2 of indentation, there, block seat 9(is away from breach direction) be fixedly connected with two and parallel and in the bar 11 arranged up and down, the other end of bar 11 stretches within loop bar 13, both telescopic cooperations.The other end of loop bar 13 is fixed on Mobile base 14.Be inserted in spring 12 outside bar 11 and loop bar 13, the two ends of spring 12 peak at block seat 9, Mobile base 14 respectively.
The top and bottom of Mobile base 14 are fixedly connected with Moving-strip 16 respectively by two fulcrums 15, are connected between the two ends moving up and down bar 16 respectively by shifting bar 17.
Be fixedly connected with one 25 with between the upper and lower plates of breach opposite side, this seat 25 protrudes from outside adapter plate, the affixed electromagnet 26 of one lateral surface, and the portable bar 26-1 two ends of electromagnet all stretch out in outward and two ends outer casing spring 27,28 respectively.Latch hook 18(forms hook groove) affixed push rod 33 under one end, push rod 33 and portable bar the 26-1 wherein suitable and action in one end, when triggering, this end of portable bar can contact push rod 33; And spring 28 top is pressed on push rod 33, by the application force of push rod 33 by the hook groove of latch hook 18() press to corresponding fulcrum 8.When after electromagnet 26 dead electricity, energy-storaging spring 27 pulls one end of portable bar 26-1, and makes the other end of portable bar 26-1 contact push rod 33, and then makes latch hook 18 depart from locking for corresponding fulcrum 8.
Seat 25 is also installed with motor 29, and the motor shaft of motor 29 is by speed reduction gearing and screw rod 30 interlock, and screw rod 30 overcoat the swivel nut 31 that spins, swivel nut 31 is in seat 25, and screw rod 30 rotation can be with movable snail sleeve 31 to move.And when swivel nut 31 outwards screws out, it can promote latch hook 18 and do to reply action but can not hinder its trigger action, and its one end to be stretched out outside seat 25 and can be promoted Mobile base 14 and does reply action but can not hinder its trigger action.The both sides of swivel nut 31 are also vertically fixedly connected with a guide rod 32, corresponding, and the both sides of seat 25 respectively form one chute 25-1, and chute inserts corresponding guide rod 32 and bearing fit, thus swivel nut 31 can not be rotated in moving process.
Under normality, the slipper 5 of both sides is away from cage guide 4, and shifting bar 17 is just placed in the indent contacting arm 7, and spring 12 is in compressive state; And under the action of the spring 28, the hook groove 18-1 hook of latch hook is in the fulcrum 8 of offside, making to contact arm 7 is in the lock state, and can not rotate.See Fig. 5.
When rail clamping device trigger action, electromagnet 26 dead electricity, one end of portable bar 26-1 is outwards impacted under the effect of energy-storaging spring 27, and its other end contacts push rod 33, by the rotation of push rod 33 with moveable lock hook 18, make its hook groove 18-1 disengaging for the locking of corresponding fulcrum 8; Now, under the application force of spring 12, promote Mobile base 14 to move, and then Moving-strip 16 and shifting bar 17 are moved, in the process, shifting bar 17 has departed from the recess contacting arm 7, push up the edge 7-3 of the contact arm 7 that bears down on one gradually laterally, thus this end making both sides contact arm 7 outwards rotates, the other end (near breach one end) then inwardly rotates, the face that the contacts 7-1 of its top contact end, towards top, offside direction compacting motion block 5, makes slipper 5 to offside translation, until the slipper 5 of both sides clamps cage guide 4.See Fig. 6.
Reseting procedure: starter motor 29, its drive screw 30 rotates, and then promotes swivel nut 31 and move, and swivel nut 31 outwards screws out and promotes Mobile base 14 and return motion done by latch hook 18, until put in place; Electromagnet 26 obtains electric, and bear down on one bar 33 on spring 28 top; Slipper 5 then acts on lower at internally installed pull-spring (not shown in the figures, its two ends are individually fixed in the back side of slipper and the riser of homonymy) and resets.Subsequently, motor 29 reverses, and swivel nut 31 resets.
Embodiment 2
As shown in figures 9 to 16, top board 1 is identical with the structure of base plate 2, all the side's of being shape, and has oblong breach 1-1,2-1, top board 1 laying parallel with base plate about 2, and breach is between the two corresponding up and down, and the breach of two plates is used for the cage guide 4 that stretches through.Take breach as benchmark, between the dual-side of two plates 1,2, be fixedly connected with a riser 3 respectively by several bolts 19.
Each bearing fit one slipper 5 between two plates 1,2 of breach both sides, slipper 5 is in Fang Tizhuan, its upper and lower surface respectively forms a square raised line 5-1, the direction of raised line 5-1 is consistent with the direction of slip of slipper 5, corresponding, top board 1, base plate 2 respectively form chute A, insert the raised line 5-1 of corresponding slipper and bearing fit in chute.Under normality, as shown in figure 13, the clamping face of slipper 5 maintains an equal level with place, the corresponding edge longitudinal plane of breach, and the clamping face of two slipper 5 faces.When after rail clamping device action, its slipper 5 to Slideslip, until the slipper 5 of both sides clamps cage guide 4, see Figure 14.
The clamping face of slipper 5 is formed uniformly several horizontal groove 5-2, to make it have stronger Clamping force.
With oblong breach for benchmark, what respectively by axle 6, the both sides between two plates 1,2 assembled that two panels can rotate contacts arm 7, the two panels up and down of homonymy contacts the parallel laying of arm, the arm 7 that contacts of both sides is symmetrical arranged, the one end contacting arm 7 is top contact end, this top contact end is circular arc spill 7-1 towards offside, and this portion is affixed contacts part 24, and the lateral surface contacting part 24 is towards offside and contact the back side (side relative with clamping face) of slipper 5.A fulcrum 8 is also assembled in contacting between arm 7 other end of homonymy.Wherein one end of fulcrum 8 normal-running fit two latch hook 18 of side, the parallel laying of two latch hooks about 18, and the other end is connected by connecting rod 20.The local edge of latch hook 18 is along forming hook groove 18-1, all curved shape transition of hook groove and other parts edge.Under normality, hook groove 18-1 hook is in the fulcrum 8 of offside.
Install block seat 9 between in the middle part of two plates 1,2 of indentation, there, the both sides 9-1 of block seat 9 stretches into two of homonymy respectively and contacts between arm 7, and longitudinally through axle 6.Block seat 9(is away from breach direction) be fixedly connected with two and parallel and in the bar 11 arranged up and down, the other end of bar 11 stretches within loop bar 13, both telescopic cooperations.The other end of loop bar 13 is fixed on Mobile base 14.Be inserted in spring 12 outside bar 11 and loop bar 13, the two ends of spring 12 peak at block seat 9, Mobile base 14 respectively.
Lateral surface (away from spring side) two edges of Mobile base 14 respectively form the arcwall face 14-1 of an evagination, and two arcwall face 14-1 are respectively just to the fulcrum 8 of homonymy.
Two of homonymy contacts between arm 7 and is also fixedly connected with blend stop 21, blend stop 21 vertical connecting 22, and the other end of bar 22 stretched through the riser 3 of homonymy movably.Bar 22 outer casing spring 23, the two ends of spring 23 peak at blend stop 21, riser 3 respectively, and spring 23 produces an inside application force to this end contacting arm 7.
Electromagnet 40 passes through gusset plate 42 always and is fixed on the riser 3 of side, movable head 40-1 overcoat one energy-storaging spring 41 of electromagnet 23, and in the energized state, contract in movable head 40-1 electromagnet 40 Compress Spring 41.Extension spring 43 is also connected with between the upper end of right angle sheet 40 and connecting rod 20.
Fixing assembling motor 44 between two adapter plates 1,2, the motor shaft of motor 44 by speed reduction gearing with screw rod 45 interlock, screw rod 45 to be spun nut 46 by screw thread, when screw rod 45 rotates, nut 46 can move along screw rod 45, and it can reset by pushing tow latch hook 18, and under normal conditions, nut 46 can not form obstruction to the trigger action of latch hook 18.
Under normality, the slipper 5 of both sides is away from cage guide 4; Spring 12 is in compressive state; The hook groove 18-1 hook of latch hook in the fulcrum 8 of offside, thus makes to contact arm 7 and is in the lock state, and can not rotate.See Figure 13.
During electromagnet 40 dead electricity, its movable head 40-1 outwards impacts under the effect of energy-storaging spring 41, and contact connecting rod 20, and then latch hook 18 is rotated, the hook groove 18-1 of latch hook has departed from the locking for offside fulcrum 8, again under the application force of spring 12, promote Mobile base 14 to move, in the process, two arcwall face 14-1 of Mobile base 14 push up the fulcrum 8 of pressure homonymy respectively, and then drive this end contacting arm 7 to laterally rotate gradually, then inwardly (offside) rotates the other end (near breach one end), make to contact part 24 towards top, offside direction compacting motion block 5, make slipper 5 to offside translation, until the slipper 5 of both sides clamps cage guide 4.See Figure 14.
Starter motor 44, drive screw 45 rotates, and then promotes nut 46 and move, and nut 46 push up gradually presses latch hook 18 and make it reset, on the contrary other parts action and resetting; Slipper 5 then resets under the effect of internally installed pull-spring (not shown in the figures, its two ends are individually fixed in the back side of slipper and the riser of homonymy).Subsequently, motor 44 reverses, and nut 46 resets.
Above-mentioned electromagnet, motor and speed reduction gearing etc. are all prior aries.
In example 2, the other end place inner side edge of arm 7 can be contacted along 7-2(from inside to outside by close) be arranged to towards tilted inclined plane shape, and the dual-side of Mobile base 14 is along edge 7-2 is suitable therewith, in the course of action of Mobile base 14, by dual-side the contacting arm edge 7-2 and making its this end laterally rotate gradually (namely Mobile base 14 is substituted by above-mentioned with the top press-fitting structure of fulcrum 8) along top pressure homonymy of Mobile base 14, the object that slipper 5 clamps cage guide 4 also can be realized.
Above the preferred embodiments of the present invention are described in detail, for those of ordinary skill in the art, according to thought provided by the invention, detailed description of the invention will change, and these changes also should be considered as protection scope of the present invention.