CN201864406U - Photosensitizing type sensor safety device of elevator - Google Patents
Photosensitizing type sensor safety device of elevator Download PDFInfo
- Publication number
- CN201864406U CN201864406U CN201020217867XU CN201020217867U CN201864406U CN 201864406 U CN201864406 U CN 201864406U CN 201020217867X U CN201020217867X U CN 201020217867XU CN 201020217867 U CN201020217867 U CN 201020217867U CN 201864406 U CN201864406 U CN 201864406U
- Authority
- CN
- China
- Prior art keywords
- electromagnet
- light
- elevator
- linear motor
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to a photosensitizing type sensor safety device of an elevator. The safety device is characterized by comprising a photosensitizing sensor (83), a digital display electronic speed limiter (97), a left rope clamping pincer block, a right rope clamping pincer block, a left rope clamping wedge block and a right rope clamping wedge block, which are respectively arranged in a machine room of an elevator and an outer frame of a lift car. All light transmitting holes or reflecting surfaces are arranged on a tension rope wheel or the well wall of the elevator at equal intervals. When the lift car runs up and down, a light signal transmitted by a light source is projected or reflected to the photosensitizing sensor. The sensor inputs the speed information of the lift car into the electronic speed limiter for monitoring the running speed of the lift car at random. When exception is generated, the electronic speed limiter immediately starts an early warning. The alarm and elevator failure brake device gives an alarm in time and safely brakes the lift car of the elevator. The photosensitizing type sensor safety device can avoid the defects of easy machine abrasion of the mechanical speed limiter, difficult direct viewing of adjustment and speed measurement, low speed measuring precision and the like. The device has various structural forms, which can be selected according to needs.
Description
Technical field
The utility model relates to a kind of elevator car safety, specifically, relates to the photosensitizing type sensor safety device that uses on a kind of vertical Lift type elevator.
Background technology
The mechanical velocity limiter that current lifting mode elevator is used, lean on speed limiter wire rope along with lift car moves up and down, drive the running velocity that governor sheave is monitored car synchronously, therefore its mechanical wear is bigger, and the fault retro-speed often only is set on the mechanical velocity limiter, is difficult to sometimes discover, also have for the abnormal speed before this fault retro-speed, the machinery velocity limiter is regulated and to be tested the speed clear inadequately intuitively, thereby range rate accuracy and sensitivity are also not high enough.
The utility model content
The purpose of this utility model is the shortcoming that will overcome prior art, and the photosensitizing type sensor and the digital electronic over-speed governor safety device that shows that use on a kind of lifting mode elevator are provided.
The purpose of this utility model is achieved through the following technical solutions.
" 1 " a kind of photosensitizing type sensor safety device of elevator, comprise power supply, hoisting motor, steel rope, tension sheave, safety tongs and tie rod, gearing, electrical installation, it is characterized in that: this device also comprises: the light hole that 1-is provided with on tension sheave, 2-photosensitive sensor and light source, the digital electronic over-speed governor that shows of 3-; Light hole with same intervals distance and center symmetrically the circle shape be arranged on the tension sheave; Photosensitive sensor and light source relatively are arranged on the both sides of the light hole of tension sheave, when lift car moves up and down, when tension sheave rotates, the directional light of light source passes the light hole intermittence and directly is shining into photosensitive sensor rhythmically; The output signal of photosensitive sensor inserts that the number be arranged in the elevator(lift) machine room shows electronic over-speed governor and by detecting/monitoring speed by lead; Described light source is meant that direct irradiation is to directional light sources such as the light of photosensitive sensor or infrared light, laser, ultraviolet rays.
" 2 " a kind of photosensitizing type sensor safety device of elevator, comprise power supply, hoisting motor, steel rope, tension sheave, safety tongs and tie rod, gearing, electrical installation, it is characterized in that: this device also comprises: the bright reflecting surface that 1-is provided with on tension sheave, 2-photosensitive sensor and light source, the digital electronic over-speed governor that shows of 3-; The light reflecting surface is with the same intervals distance, and the center symmetrically the circle shape be arranged on the tension sheave, between adjacent bright reflecting surface, be provided with resistance light face; Photosensitive sensor and light source are arranged on the homonymy of the bright reflecting surface of tension sheave, when lift car moves up and down, when tension sheave rotates, the directional light of light source is through bright reflecting surface reflection, intermittence reflects rhythmically and is shining into photosensitive sensor; The output signal of photosensitive sensor is by lead, inserts that the number that is arranged in the elevator(lift) machine room shows electronic over-speed governor and by detecting/monitoring speed; Each hinders the light face and is arranged between the bright reflecting surface with the same intervals distance; Described light source is meant that indirect irradiation is to directional light sources such as the light of photosensitive sensor or infrared light, laser, ultraviolet rays; Described resistance light face is inclined-plane scattering surface or dark-coloured coarse scattering surface, perforation.
" 3 " a kind of photosensitizing type sensor safety device of elevator, comprise power supply, hoisting motor, steel rope, tension sheave, safety tongs and tie rod, gearing, electrical installation, it is characterized in that: this device also comprises: 1-is arranged on the bright reflecting surface on hoistway wall or the guide rail, 2-photosensitive sensor and light source, the digital electronic over-speed governor that shows of 3-; The light reflecting surface is arranged on hoistway wall or the guide rail with the identical distance distance; Its for vertically be arranged in elevator from bottom to uppermost storey, parallel with guide rail, between each adjacent bright reflecting surface, be provided with resistance light face; Photosensitive sensor and light source are arranged on the car outside frame or lead on the boots; When lift car moved up and down, the directional light of light source was through the reflection of the bright reflecting surface on hoistway wall or the guide rail, and intermittence reflects rhythmically and is shining into photosensitive sensor; The output signal of photosensitive sensor inserts by lead that the number be arranged in the elevator(lift) machine room shows electronic over-speed governor and by detecting/monitoring speed; Digital show that electronic over-speed governor is provided with 1 pair or above wire of output terminal, this wire of output terminal and the safety device of braking car or early warning, warning device are connected; Described light source is meant that indirect irradiation is to directional light sources such as the light of photosensitive sensor or infrared light, laser, ultraviolet rays; Described resistance light face is inclined-plane scattering surface or dark-coloured coarse scattering surface.
" 4 " on number shows electronic over-speed governor, be provided with 1 pair or above wire of output terminal, this wire of output terminal and the safety device of braking car or early warning, warning device are connected.
" 5 " the safety device comprises: safe thick stick, thick stick cover, linear motor or turning motor, electromagnet, big and heavy stone post; Safe thick stick is an elongate in shape, and the thick stick cover is sleeve shaped, and safe thick stick and thick stick cover pine are joined, and safe thick stick is also back and forth flexible in the thick stick cover; Safe thick stick and thick stick are set on the and arranged on left and right sides of car outside frame; The rear end of safe thick stick is connected the secondary or tooth bar of electrical motor, the front end of the moving bar of electromagnet; Power supply electrical control circuit on electrical motor or the electromagnet shows that with number the output line of electronic over-speed governor is connected; The big and heavy stone post is the lateral projection shape, is arranged on 2 sides of hoistway wall, and its quantity is 2 on every floor, and with the safe thick stick phase resistance that stretches out; The vertical distance of neighbouring 2 big and heavy stone posts is identical with the vertical distance of neighbouring floor ground, and big and heavy stone post height is arranged on after it has stoped the overspeed of car car door aligning floor door.
The safety device can also with linear motor or turning motor, electromagnet, gear, tooth bar operate left and right sides rope-clamping pliers piece or about folder rope voussoir, come the clipping speed limiter wire rope, with the operating troubles of braking car.
The beneficial effects of the utility model are:
1. the sensitization mode of this photosensitizing type sensor safety device of elevator is practical stable, and operation has reduced manufacturing cost easily; This device can avoid elevator machine velocity limiter machinery easy to wear, regulate to test the speed and be difficult to defective directly perceived, that maintenance cost is high, range rate accuracy is not high enough.
2. the safety device can be avoided some mechanical velocity limiter owing to lack the early warning measure, is difficult to discover the defective of the preceding abnormal speed of fault retro-speed sometimes; The number that is arranged in the machine room shows electronic over-speed governor, makes the running velocity of lift car examined all the time, and can show with number very clear and intuitively.
3. the safety device can show the highest and minimum permissible velocity numerical value that cage operation speed is set on the electronic over-speed governor very quickly and accurately at number.
4. for stopping the overspeed of lift car, this device both can thick stick safe in utilization and big and heavy stone rod structure device, also can use left and right sides rope-clamping pliers piece or about the folder wedge structure device of restricting.
5. this device has multiple version, can be according to using needs to select to use.
Description of drawings
Fig. 1 is that photosensitive sensor 83 light sources 84 arrays are arranged on scheme drawing on the car 3 in this device.
Fig. 2 is that photosensitive sensor 83 arrays such as grade are arranged on the scheme drawing of leading on the boots 132.
Fig. 3 is that 84 lines of photosensitive sensor 83 light sources are arranged on the schematic top plan view above the car 3.
Fig. 4 is the scheme drawing that bright reflecting surface 68 is set on tension sheave 15.
Fig. 5 is that scheme drawing is looked on the left side of Fig. 4.
Fig. 6 is the scheme drawing that light hole 67 is set on tension sheave 15.
Fig. 7 is that scheme drawing is looked on the left side of Fig. 6.
Fig. 8 is right side linear motor elementary 71 safe scheme drawings such as combination such as thick stick 8 grades.
Fig. 9 is the safe thick stick 8 combination scheme drawings that damping compression spring 37 grades are set.
Figure 10 is the safe thick stick 8 combination scheme drawings that vibration damper steel plate spring 37 grades are set.
Figure 11 is a F part enlarged diagram among Figure 10.
Figure 12 is the schematic top plan view of vibration damper steel plate spring 37 among Figure 10.
Figure 13 is the schematic side view of part holder 94 and steel column 93.
Figure 14 is the scheme drawing of right side turning motor 117 safe thick stick 8 combinations.
Figure 15 is the scheme drawing that turning motor 117 drives 2 side safety thick sticks 8.
Figure 16 is the side-looking and the middle part cross-sectional schematic of big and heavy stone column length frame 53
Figure 17 is the front-view schematic diagram of big and heavy stone column length frame 53.
Figure 18 is the schematic top plan view of Figure 17.
Figure 19 is the front-view schematic diagram of another kind of big and heavy stone column length frame 53
Figure 20 is the schematic top plan view of Figure 19.
Figure 21 is that straight line or turning motor are controlled two-way left and right sides rope-clamping pliers piece 122 scheme drawings.
Figure 22 be the control of straight line or turning motor two-way about folder rope voussoir 134 scheme drawings.
Figure 23 is a fault alarm circuit scheme drawing.
Figure 24 is the scheme drawing of bright reflecting surface 68 grades on photosensitive sensor 83 hoistway wall.
Figure 25 is the scheme drawing that light hole 67 grades are set on photosensitive sensor 83 tension sheaves 15.
Label declaration:
Car frame puts the beams in place 1, car frame column 2, car 3, radius stay 4, safe thick stick 8, tension sheave 15, power supply 24, Warning light 25, alert Chinese percussion instrument 26, thick stick cover 28, upper bracket 34, lower bracket 35, support gusset 36, spring 37, sliding sleeve 38, guide rail 40, spring housing 41, big and heavy stone post 42, switch 47, hoistway wall 48, spring housing 51, tapped bore 52, big and heavy stone column length frame 53, groove 54, screw 55, packing ring 56, brace panel 58, inclined-plane scattering surface 59, spring plate 60, screw 61, nut 62, convex shoulder 63, screw 64, nut 65, big and heavy stone post 66, light hole 67, light reflecting surface 68, dark-coloured coarse scattering surface 69, locating piece 70, linear motor is elementary 71, and linear motor is secondary 72, locating piece 73, locating piece 74, front limit switch 75, back limit switch 76, locating piece 77, mounting 78, grillage 79, shell 80, photosensitive sensor 83, light source 84, sensor stand 85, screw 87, gear 88, locating bush 92, steel column 93, holder 94, axle 95, axial trough 96, electronic over-speed governor 97, axle bed 98, bar cover 99, connecting rod 101, lead 114, wire fuse 116, turning motor 117, lead 118, lead 119, tooth bar 121, left and right sides rope-clamping pliers piece 122, connecting bore 127, lever 128, Automatic alarm telephone 129, lead 130, flange 131, lead boots 132, speed limiter wire rope 133, about folder rope voussoir 134, spring 135, attaching parts 136, groove 137.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
" 1 " sees shown in Fig. 6,7,25, a kind of photosensitizing type sensor safety device of elevator, comprise power supply, hoisting motor, steel rope, tension sheave, safety tongs and tie rod, gearing, electrical installation, it is characterized in that: this device also comprises: the light hole 67 that 1-is provided with on tension sheave 15,2-photosensitive sensor 83 and light source 84, the digital electronic over-speed governor 97 that shows of 3-; Light hole 67 is with the same intervals distance, and the center symmetrically the circle shape be arranged on the tension sheave 15; Photosensitive sensor 83 and light source 84 relatively are arranged on the both sides of the light hole 67 of tension sheave 15, when lift car 3 moves up and down, the linear velocity of tension sheave 15 rotations is consistent with the linear velocity that car 3 moves up and down, light hole 67 intermittences that the directional light of light source 84 passes on the tension sheave 15 are shining into photosensitive sensor 83 rhythmically, and this rhythm is consistent with car 3 running velocitys; The output signal of photosensitive sensor 83 is by lead 118, and promptly car 3 running velocity information, the number that input is arranged in the machine room shows in the electronic over-speed governor 97, makes the running velocity of car 3 be subjected to detecting/monitoring speed all the time.
" 2 " see shown in Fig. 4,5, a kind of photosensitizing type sensor safety device of elevator, comprise power supply, hoisting motor, steel rope, tension sheave, safety tongs and tie rod, gearing, electrical installation, it is characterized in that: this device also comprises: the bright reflecting surface 68 that 1-is provided with on tension sheave 15,2-photosensitive sensor 83 and light source 84, the digital electronic over-speed governor 97 that shows of 3-; Light reflecting surface 68 is with the same intervals distance, and the center symmetrically the circle shape be arranged on the tension sheave, between adjacent bright reflecting surface, be provided with resistance light face; Photosensitive sensor 83 and light source 84 are arranged on the homonymy of the bright reflecting surface 68 of tension sheave 15, when lift car 3 moves up and down, tension sheave 15 rotation, its rotational line speed and car about in the of 3 travel line speed consistent; The directional light of light source 84, through the reflection of bright reflecting surface 68 on the tension sheave 15, intermittence is shining into photosensitive sensor 83 rhythmically, and this rhythm is consistent with car 3 running velocitys; The output signal of photosensitive sensor 83 inserts the number that is arranged in the elevator(lift) machine room and shows electronic over-speed governor 97 and by detecting/monitoring speed, the running velocity of car 3 is monitored all the time by lead 118.
" 3 " see shown in Fig. 1,2,3,24, a kind of photosensitizing type sensor safety device of elevator, comprise power supply, hoisting motor, steel rope, tension sheave, safety tongs and tie rod, gearing, electrical installation, it is characterized in that: this device also comprises: 1-is arranged on the bright reflecting surface 68 on hoistway wall 48 or the guide rail 40,2-photosensitive sensor 83 and light source 84, the digital electronic over-speed governor 97 that shows of 3-; Light reflecting surface 68 is arranged on hoistway wall 48 or the guide rail 40 with the identical distance distance; Its for vertically be arranged in elevator from bottom to uppermost storey, parallel with guide rail 40, between each adjacent bright reflecting surface 68, be provided with resistance light face; Photosensitive sensor 83 and light source 84 are arranged on car 3 outside framves or lead on the boots 132; When lift car 3 moved up and down, the directional light of light source 84 was by the reflection of the bright reflecting surface 68 on hoistway wall 48 or the guide rail 40, and intermittence is shining into photosensitive sensor 83 rhythmically reflectingly, and this rhythm is consistent with car 3 running velocitys; Photosensitive sensor 83 inserts the number that is arranged in the elevator(lift) machine room by lead 118 and shows electronic over-speed governor 97 and by detecting/monitoring speed, the running velocity of car 3 is detected all the time promptly car 3 running velocity information.
" 4 " on number shows electronic over-speed governor 97, be provided with 1 pair or above wire of output terminal 114 or 130, this wire of output terminal 114 or 130 is connected with the safety device of braking car 3 or early warning, warning device.
Illustrate: the speed difference of moving up and down because of car 3, the optical signal frequency that photosensitive sensor 83 received in each time period is also different, digital show that the auto-counter in the electronic over-speed governor calculates and note car 3 in view of the above at the running velocity of each time period, make the detection that comes under observation all the time of the running velocity of car; Unusual when the running velocity appearance of car 3, digital demonstration electronic over-speed governor starts alarm device and brake device for elevator immediately, so just in time gives the alarm, and makes lift car 3 safe stagnations of movement.
The light source 84 of photosensitive sensor 83, sensor, the digital electronic over-speed governor 97 that shows, can be provided with as required 1 cover or more than.
Described photosensitive sensor, number show electronic over-speed governor, can use the series of products such as HB-G 961, SQY03-100-SX of electronics corporation's production of prior art products, Beijing or Shanghai, domestic and international various places; The function that such series of products have accurate logistics counting or test the speed.
Described light source be meant directly or indirectly irradiation to directional light sources such as the light of photosensitive sensor or infrared light, laser, ultraviolet rays;
Light reflecting surface 68 can reflect into the directional light of light source 84 in the photosensitive sensor 83; Light reflecting surface 68 length and width or diameter are about 1～35 centimetre, its density is about 1～50 every meter, light reflecting surface 68 specifically can be according to the size and the running velocity setting of car 3 or tension sheave 15 about 2～180 centimetres of photosensitive sensor 83 and light source 84 fwds;
Described resistance light face is inclined-plane scattering surface 59 or dark-coloured coarse scattering surface 69, bores a hole;
Inclined-plane scattering surface 59 can be the place of the directional light of light source 84 reflection beyond photosensitive sensor 83; The inclined-plane included angle A of inclined-plane scattering surface 59 is about 15 °～90 °;
Dark-coloured coarse scattering surface 69 or perforation can absorb or scattered beam, make the directional light of light source 84 can not reflect into photosensitive sensor 83;
The material of forming bright reflecting surface 68 or inclined-plane scattering surface 59, dark-coloured coarse scattering surface 69 is plastics or metal, cement, ceramic tile, bamboo wood, felt suede, fine cloth etc., it can be painted, the pigment brushing, perhaps fix with stickup, fastener, perhaps bright reflecting surface 68, inclined-plane scattering surface 59 also can be made one with tension sheave 15, hoistway wall 48.
Distance between photosensitive sensor 83 and light source 84 and bright reflecting surface 68 and the dark-coloured coarse scattering surface 69 can decide with the sensitivity of the photosensitive sensor behind overregulate 83 or the intensity of light source 84.
Disturb for reducing scattering light, the back of photosensitive sensor 83 and sensor light source 84, the most handy metallic of the shell of side are done.
Describedly digital show that electronic over-speed governor 97 can be set to bidirectional speed limiter, this electronic over-speed governor of self-opening all when car 3 moves up and down; Electronic over-speed governor 97 also can be set to unidirectional velocity limiter, only this electronic over-speed governor of self-opening when car 3 operation downwards; When it is bidirectional speed limiter, then can detects the running velocity of up or descending car, and rush to summit or exceed the speed limit in up or descending car accident and descend or send early warning or braking instruction when falling at once; When it is unidirectional velocity limiter, then can only detects the running velocity of descending car, and when descending car hypervelocity descends or falls, send early warning or braking instruction at once.
Described alarm apparatus is Warning light 25 and alert Chinese percussion instrument 26 or auto alarm called telephone 129 etc., sees shown in Figure 23.
" 5 " see shown in Figure 8ly, the safety device also comprises: safe thick stick 8, thick stick cover 28, electrical motor or electromagnet, big and heavy stone post 42 or 66;
Described electrical motor comprises linear motor or turning motor 117; Described linear motor comprises linear motor elementary 71 and linear motor secondary 72; Described turning motor 117 is being fixed gear 88 on its main shaft, gear 88 is meshing with tooth bar 121; Described electromagnet comprises electromagnet main body and the moving bar of electromagnet;
Safe thick stick 8 is an elongate in shape, and thick stick cover 28 is a sleeve shaped, and safe thick stick 8 overlaps 28 pines with thick stick joins, and safe thick stick 8 is also back and forth flexible in thick stick cover 28; Safe thick stick 8 and thick stick cover 28 are arranged on the and arranged on left and right sides of car 3 outside framves; Be connected to the rear end fixed type of safe thick stick 8 or loading and unloading type, hinge formula the front end of linear motor secondary 72 or tooth bar 121, the moving bar of electromagnet; The digital wire of output terminal 114 that shows electronic over-speed governor 97 or 130 is connected with power supply electrical control circuit on electrical motor or the electromagnet.
Running velocity when the rising or the decline of car 3, reach in advance when number shows the highest qualification speed that is provided with on the electronic over-speed governor 97, the digital electronic over-speed governor 97 that shows sends the instruction of fault braking stagnation of movement immediately, by its built-in controllable silicon or relay switch circuit, connect the magnet coil and the power supply of linear motor or turning motor 117, electromagnet, make the moving bar of linear motor secondary 72 or tooth bar 121, electromagnet, drive safe thick stick 8 and eject and stopped and put in both sides to the left and right by big and heavy stone post 42 or spring housing 41; This moment, the door of car 3 faced toward the floor door, and it is very safe easily that each personnel walks out car 3.
The relative position of moving bar of electromagnet main body and electromagnet and safe thick stick 8 is identical with the relative position of safe thick stick 8 with linear motor among Fig. 8 elementary 71 and linear motor secondary 72.
The combination of turning motor 117 and gear 88, tooth bar 121 is seen shown in Figure 14; Fixing gear 88 on turning motor 117 main shafts, tooth bar 121 is an elongate in shape, and itself and gear 88 are meshing, and it is reciprocating that gear 88 drives tooth bars 121;
In Figure 14, rotary electric 117 drives the advance and retreat of 1 toothed rack 121 and safe thick stick 8 by gear 88;
See shown in Figure 15ly, it is turning motor 117 drives 2 toothed rack 121 and safe thick stick 8 by gear 88 advance and retreat; Upper and lower tooth bar 121 be arranged on gear 88 top, below, meshing with gear 88.
Fig. 9, the 10th is provided with damping compression spring 37 or steel spring 37 etc. and the shell 80 of electrical motor or electromagnet, the combination scheme drawing of safe thick stick 8; 3 or above radius stay 4 be fixed on shell 80 top and bottom, and can in the perforation of grillage 79, move up and down, the position that it has stablized shell 80 can only move up and down this shell 80; Grillage 79 is fixed on car 3 outside framves; In shell 80, can place linear motor or turning motor, electromagnet.
Figure 11 is that the part at F place among Figure 10 is analysed and observe enlarged diagram; Figure 12 is the schematic top plan view of vibration damper steel plate spring 37 among Figure 10.
See shown in Fig. 8,14,15 that linear motor secondary 72 or electromagnet be moving is lost, tooth bar 121, protract or after the range of movement that contracts place restrictions between the locating piece of setting 74 and locating piece 70,77; The position of locating piece 73 or 70,74,77 on linear motor secondary 72 or tooth bar 121, mounting 78 can fix, or active loading and unloading type, can be portable so that adapt to the required moving range of safe thick stick 8; At locating piece 74 and locating piece 70,77 place that collides, slow hit rubber or pourable resin chock can be set, be lost when linear motor secondary 72 or electromagnet are moving, during tooth bar 121 advance and retreat, if spring or shake too big.
Big and heavy stone post 42 is the lateral projection shape, is arranged on 2 sides of hoistway wall 48, its quantity be 2 on every floor or more than, and can with safe thick stick 8 phase resistances that stretch out; The vertical distance of neighbouring 2 big and heavy stone posts 42 is identical with the vertical distance of neighbouring floor ground; And big and heavy stone post 42 highly is arranged on after it has stoped the overspeed of car 3, and the door of car 3 can accurately face toward the floor door;
According to using needs, can be on big and heavy stone post 42 and below recoil spring or elastic caoutchouc, elastoplast etc. are set, make the car 3 of tenesmus or upper punch be reduced vibrations; In the top and bottom of recoil spring 37 spring housing 41 that shields can be set, see shown in Fig. 8 bottom right; Spring housing 41 can move up and down and can not drop; Big and heavy stone post 42 can be welded on the reinforcing bar of hoistway wall 48 or with fastener screw 50 and be fixed on the hoistway wall 48; Perhaps can little shape spring, elastic rubber-plastic composite cushion block be set with damping in the top and bottom of big and heavy stone post 42, spring housing 41 according to using needs.
See shown in Figure 16ly, also can replace big and heavy stone posts 42 with big and heavy stone post 66, big and heavy stone post 66 is arranged on 53 li on big and heavy stone column length frame, and the side-looking of big and heavy stone column length frame 53 and part sectional view are Figure 16, and its front elevation is seen shown in Figure 17, and the birds-eye view of Figure 17 is seen shown in Figure 180; Big and heavy stone post 66 can weld or be fixed on 53 li on big and heavy stone column length frame with screw 64, equally also can be on big and heavy stone post 66 and below recoil spring 37 or elastic caoutchouc, elastoplast etc. are set; In the top and bottom of this recoil spring 37 spring housing 51 that shields can be set; 2 sides up and down at big and heavy stone post spring housing 51 can be provided with tapped bore 52;
Corresponding to tapped bore 52 places, frame groove 54 is set in 2 sides of big and heavy stone column length frame 53, sees shown in Figure 16 bottom, screw 55 passes frame groove 54 and screws in tapped bore 52, and spring housing 51 neither can drop and can move up and down for 53 li at big and heavy stone column length frame like this.
Figure 19, the 20th, forward sight, the schematic top plan view of another kind of big and heavy stone column length frame 53, its set-up mode and above-mentioned same, but manufacturing is easier.
See shown in Figure 16,17 that the entity part length of each big and heavy stone column length frame 53 is with story height is identical accordingly, big and heavy stone column length frame 53 can connect or connect with welding, fastener with convex shoulder 63 up and down; Big and heavy stone column length frame 53 can be welded on the default reinforcing bar of hoistway wall 48, perhaps also can use the fastener screw, passes the bottom surface that is preset in big and heavy stone column length frame 53 or the connect apertures 127 or the flange 131 of side, is fixed on the hoistway wall 48.
According to using needs, spring plate 60 (perhaps spring folding) and brace panel 58 can be set in the above and below of big and heavy stone post 66 or 42, with dangerous vacillate of car 3 before trouble removal that prevents to be stopped, and can cushion that car 3 hinders for some reason and vibrations before the stagnation of movement, brace panel 58 can prevent that spring plate 60 (or folding) is pressed down; Can withstand mutually the front end setting of safety thick stick 8 or spring plate 60 (or folding) and prevent the groove 137 that skids, see shown in Figure 14,16.
According to using needs, for reduce the friction that safe thick stick 8 stretches back and forth in safety thick stick cover 28, can be between safety thick stick 8 and linear motor secondary 72 or tooth bar 121, the moving bar of electromagnet and safe thick stick cover 28, steel column or steel ball are set, steel column 93 or steel ball can be sandwiched in the holder 94, can not drop, and its part schematic side view is seen shown in Figure 10.
" 6 " see shown in Figure 21, this device also comprises: 1-is arranged on electrical motor or the electromagnet in the machine room, 2-is arranged on the interior lever 128 of machine room, connecting rod 101, left and right sides rope-clamping pliers piece 122, goes up tension sheave 15,3-is arranged on following tension sheave 15 devices of well, and walks around upper and lower tension sheave 15 and safety tongs tie rod bonded assembly speed limiter wire rope 133;
Described electrical motor comprises linear motor and turning motor 117; Described linear motor comprises linear motor elementary 71 and linear motor secondary 72; Described turning motor 117 is being fixed gear 88 on its main shaft, gear 88 is meshing with tooth bar 121; Described electromagnet comprises electromagnet main body and the moving iron of electromagnet;
The digital electronic over-speed governor 97 that shows, be connected with the power supply electrical control circuit of electrical motor or electromagnet by wire of output terminal 114 or 130, the front end of linear motor secondary 72 or tooth bar 121, the moving iron of electromagnet is formed active shape with an end of L shaped lever 128 and is connected, the other end of lever 128 is formed active shape with an end of Y shape connecting rod 101 and is connected, the other end of connecting rod 101 is formed active shape with rope-clamping pliers piece 122 outer ends, the left and right sides and is connected, and rope-clamping pliers piece 122 circular arc the inners in the left and right sides are in 2 sides of speed limiter wire rope 133; The axis hole at lever 128 middle parts connects mounting 78 by axle 95; The axis hole at rope-clamping pliers piece 122 middle parts, the left and right sides connects axle bed 98 by axle 95; Linear motor elementary 71 or turning motor 117, electromagnet main body, mounting 78, axle bed 98 all are fixed on the framework of machine room.
Described electromagnet main body is identical with the position of linear motor among Figure 21 elementary 71 and linear motor secondary 72 with the position of the moving iron of electromagnet; Rotary electric 117 drives the partial schematic diagram that tooth bar 121 is advanced and retreat by gear 88, sees shown in Figure 14 middle part.
Its operation and course of action are: (1) is when number demonstration electronic over-speed governor 97, when photosensitizing type sensor records car 3 lapse rates and reaches the highest qualification speed, send the instruction of fault braking stagnation of movement immediately, by wire of output terminal 114 output starting current or paths, the cutin relay switching circuit, and connection linear motor elementary 71 or turning motor 117, the electromagnet main body, then linear motor secondary 72 or tooth bar 121, one end of the moving lever 128 of the moving sheet iron strip of electromagnet moves right, so the other end of lever 128 is mentioned connecting rod 101, speed limiter wire rope 133 is moved down and clamped in the upper end of left and right sides rope-clamping pliers piece 122, and more folder is tighter; Later on being exactly conventional speed limiter wire rope 133 lifts the routine operation that safety tongs, safety tongs are clamped guide rail 48, braking car 3 by tie rod.
(2) when number demonstration electronic over-speed governor 97, when photosensitizing type sensor records car 3 speed of rushing to summit and reaches the highest qualification speed, send the instruction of fault braking stagnation of movement immediately, by another wire of output terminal output channel or working current, the cutin relay switching circuit, oppositely connect linear motor elementary 71 or turning motor 117, the electromagnet main body, then linear motor secondary 72 or tooth bar 121, one end of the moving lever 128 of the moving sheet iron strip of electromagnet is moved to the left, so the other end of lever 128 is depressed connecting rod 101, speed limiter wire rope 133 is moved and clamped in the lower end of left and right sides rope-clamping pliers piece 122, and more folder is tighter; Later on be exactly that conventional speed limiter wire rope 133 lifts the routine operation that safety tongs, safety tongs are clamped guide rail 48, braking car 3;
(3) for the clipping power of 122 pairs of speed limiter wire ropes 133 of buffering rope-clamping pliers piece, can be provided with compression spring or the spring plate that elastic force points to steel rope 133 at elasticity axle bed 98.
" 7 " see shown in Figure 22, this device comprises: 1-is arranged on electrical motor or the electromagnet in the machine room, 2-be arranged on lever 128 in the machine room, attaching parts 136, about folder rope voussoir 134, go up tension sheave 15,3-is arranged on following tension sheave 15 devices of well, and walks around upper and lower tension sheave 15 and safety tongs tie rod bonded assembly speed limiter wire rope 133;
Described electrical motor comprises linear motor and turning motor 117; Described linear motor comprises linear motor elementary 71 and linear motor secondary 72; Described turning motor 117 is being fixed gear 88 on its main shaft, gear 88 is meshing with tooth bar 121; Described electromagnet comprises electromagnet main body and the moving iron of electromagnet;
The digital electronic over-speed governor 97 that shows is connected with the power supply electrical control circuit of linear motor or turning motor 117, electromagnet by lead 114 or 130; Linear motor secondary 72 or tooth bar 121, the moving iron of electromagnet are formed active shape with an end of L shaped lever 128 and are connected, the other end of lever 128 is formed active shape with attaching parts 136 and is connected, folder rope voussoir 134 is formed active shape and is connected about attaching parts 136 and V-arrangement, about the folder voussoir 134 of restricting be in 2 sides of speed limiter wire rope 133; The axis hole at lever 128 middle parts connects mounting 78 by axle 95; Linear motor elementary 71 or turning motor 117, electromagnet main body, mounting 78 all are fixed on the interior framework of machine room.
Its operation and course of action are: (1) is when number demonstration electronic over-speed governor 97, when photosensitive sensor 83 records the car lapse rate and reaches the highest qualification speed, by wire of output terminal 114 output starting current or paths, the cutin relay switching circuit, and connection linear motor elementary 71 or turning motor 117, the electric appliance circuits of electromagnet main body, then linear motor secondary 72 or tooth bar 121, one end of the moving lever 128 of the moving sheet iron strip of electromagnet moves right, so the other end of lever 128 is depressed attaching parts 136, about the upper end of folder rope voussoir 134 just clamp speed limiter wire rope 133, and more folder is tighter; Later on being exactly conventional speed limiter wire rope 133 lifts the routine operation that safety tongs, safety tongs are clamped guide rail 48, braking car 3 by tie rod;
(2) show that electronic over-speed governor 97 is when photosensitive sensor 83 records the car speed of rushing to summit and reaches the highest qualification speed when number, by another wire of output terminal output channel or working current, and cutin relay switching circuit, oppositely connect linear motor elementary 71 or turning motor 117, the electric appliance circuits of electromagnet main body, then linear motor secondary 72 or tooth bar 121, moving lever 128 1 ends of the moving sheet iron strip of electromagnet are moved to the left, so lever 128 other ends are mentioned attaching parts 136, about the lower end of folder rope voussoir 134 just clamp speed limiter wire rope 133, and more folder is tighter; Later on be exactly that conventional speed limiter wire rope 133 lifts the routine operation that safety tongs, safety tongs are clamped guide rail 48, braking car 3;
(3) for the clipping power of 134 pairs of speed limiter wire ropes 133 of buffering folder rope voussoir, outside this voussoir, then can be provided with the spring 135 that elastic force points to steel rope 133;
Illustrate, in the safety device:
(1) can be arranged to, when number shows that electronic over-speed governor 97 sends the instruction of actuating motor or electromagnet, also send the instruction of closing hoisting motor, help the braking of car 3 like this;
In the time of perhaps can being in the next door of the locating piece 73 on linear motor secondary 72 or tooth bar 121, the moving iron of electromagnet and locating piece 73 motions to the hoisting motor source switch through the place; Like this when linear motor secondary 72 or tooth bar 121, when the moving iron of electromagnet moves, this locating piece 73 hits the button of source switch of the hoisting motor on next door, then hoisting motor is closed, and helps the braking of car 3 like this; Behind trouble-shooting, linear motor secondary 72 or tooth bar 121, the moving iron of electromagnet are retracted, locating piece 73 is recovered and switch 47 former relative positions.
(2) Figure 21,22 is depicted as two-way rope gripper; Also can make unidirectional rope gripper into, and be provided with: 1-shows in the electronic over-speed governor 97 at number, the highest qualification speed of tenesmus only is set; The right push button function of the source switch 47 of 2-linear motor is constant; 3-removes the left side button of the source switch 47 of linear motor, left end at linear motor secondary 72 or tooth bar 121, the moving iron of electromagnet is provided with locating piece 77 again, and linear motor secondary 72 or tooth bar 121, the moving iron of electromagnet can only be moved to the left till this locating piece 77.
(3) see shown in Figure 21, described active shape connects, can be connected to the example explanation with linear motor secondary 72 or tooth bar 121, the axial trough 96 of moving iron one end of electromagnet and the active shape of axle 95 compositions of lever 128 1 ends, when linear motor secondary 72 or tooth bar 121, the moving iron of electromagnet drive axle 95 sway of lever 128 1 ends with axial trough 96, axle 95 in axial trough 96 on the energy end move, linear motor secondary 72 or tooth bar 121, electromagnet move iron and lever 128 can not obstruct like this;
According to using needs, described electrical motor can be used DC motor, also can use alternating-current motor/AC motor, and the two use principle is identical, but electric appliance circuits figure has change, and it is a known technology, and figure slightly.
According to using needs, can show at number 1 or several the highest or inferior high qualification speed are set on the electronic over-speed governor 97, when the running velocity of car 3 reaches the high qualification speed of this time, the digital electronic over-speed governor 97 that shows sends 1 tunnel startup path or working current immediately, by wire of output terminal 114 or 130, connect alert Chinese percussion instrument and Warning light or auto alarm called telephone etc. in the fault alarm, send early warning so in advance, make service personnel trouble-shooting in time; When the early warning of sending is not noted, then electronic over-speed governor 97 sends 1 the tunnel immediately again and starts path or working current when the highest qualification speed, connects safety catch, makes car out of service;
Also can show on the electronic over-speed governor 97 at number, 1 or several minimum or inferior lower bound constant speed degree in certain section length of run scope are set, when the running velocity of car 3 reaches this minimum or inferior lower bound constant speed and spends in certain section length of run scope, the digital electronic over-speed governor 97 that shows sends 1 tunnel startup path or electric current immediately, connect alert Chinese percussion instrument and Warning light, auto alarm called telephone etc. in the fault alarm circuit, perhaps connect safety catch, make car out of service; The energy trouble-shooting is when it just is in the embryonic stage like this.
Claims (7)
1. photosensitizing type sensor safety device of elevator, comprise power supply, hoisting motor, steel rope, tension sheave, safety tongs and tie rod, gearing, electrical installation, it is characterized in that: this device also comprises: the light hole that is provided with on tension sheave, photosensitive sensor and light source, the digital electronic over-speed governor that shows; Light hole with same intervals distance and center symmetrically the circle shape be arranged on the tension sheave; Photosensitive sensor and light source relatively are arranged on the both sides of the light hole of tension sheave, when lift car moves up and down, when tension sheave rotates, the directional light of light source passes the light hole intermittence and directly is shining into photosensitive sensor rhythmically; The output signal of photosensitive sensor is by lead, inserts that the number that is arranged in the elevator(lift) machine room shows electronic over-speed governor and by detecting/monitoring speed; Described light source is meant that direct irradiation is to the light of photosensitive sensor or infrared light, laser, ultraviolet directional light sources.
2. photosensitizing type sensor safety device of elevator, comprise power supply, hoisting motor, steel rope, tension sheave, safety tongs and tie rod, gearing, electrical installation, it is characterized in that: this device also comprises: the bright reflecting surface that is provided with on tension sheave, photosensitive sensor and light source, the digital electronic over-speed governor that shows; The light reflecting surface is with the same intervals distance, and the center symmetrically the circle shape be arranged on the tension sheave, between adjacent bright reflecting surface, be provided with resistance light face; Photosensitive sensor and light source are arranged on the homonymy of the bright reflecting surface of tension sheave, when lift car moves up and down, when tension sheave rotates, the directional light of light source is through bright reflecting surface reflection, intermittence reflects rhythmically and is shining into photosensitive sensor; The output signal of photosensitive sensor is by lead, inserts that the number that is arranged in the elevator(lift) machine room shows electronic over-speed governor and by detecting/monitoring speed; Each hinders the light face and is arranged between the bright reflecting surface with the same intervals distance; Described light source is meant that indirect irradiation is to the light of photosensitive sensor or infrared light, laser, ultraviolet directional light sources; Described resistance light face is inclined-plane scattering surface or dark-coloured coarse scattering surface, perforation.
3. photosensitizing type sensor safety device of elevator, comprise power supply, hoisting motor, steel rope, tension sheave, safety tongs and tie rod, gearing, electrical installation, it is characterized in that: this device also comprises: be arranged on the bright reflecting surface on elevator and wall or the guide rail, photosensitive sensor and light source, the digital electronic over-speed governor that shows; The light reflecting surface is arranged on hoistway wall or the guide rail with the identical distance distance; Its for vertically be arranged in elevator from bottom to uppermost storey, parallel with guide rail, between each adjacent bright reflecting surface, be provided with resistance light face; Photosensitive sensor and light source are arranged on the car outside frame or lead on the boots; When lift car moved up and down, the directional light of light source was through the reflection of the bright reflecting surface on hoistway wall or the guide rail, and intermittence reflects rhythmically and is shining into photosensitive sensor; The output signal of photosensitive sensor inserts by lead that the number be arranged in the elevator(lift) machine room shows electronic over-speed governor and by detecting/monitoring speed; Described light source is meant that indirect irradiation is to the light of photosensitive sensor or infrared light, laser, ultraviolet directional light sources; Described resistance light face is inclined-plane scattering surface or dark-coloured coarse scattering surface.
4. according to each described photosensitizing type sensor safety device of elevator in the claim 1 or 2,3, it is characterized in that, show on the electronic over-speed governor at number, be provided with 1 pair or above wire of output terminal, this wire of output terminal and the braking safety device of car or early warning, warning device are connected.
5. according to each described photosensitizing type sensor safety device of elevator in the claim 1 or 2,3, it is characterized in that the safety device also comprises: safe thick stick, thick stick cover, electrical motor or electromagnet, big and heavy stone post;
Described electrical motor comprises linear motor or turning motor; Described linear motor comprises that linear motor is elementary and linear motor is secondary; Described turning motor is being fixed gear on its main shaft, and wheel and rack is meshing; Described electromagnet comprises electromagnet main body and the moving bar of electromagnet;
Safe thick stick is an elongate in shape, and the thick stick cover is sleeve shaped, and safe thick stick and thick stick cover pine are joined, and safe thick stick is also back and forth flexible in the thick stick cover; Safe thick stick and thick stick are set on the and arranged on left and right sides of car outside frame; The rear end fixed type of safe thick stick or loading and unloading type are connected the front end of the secondary or tooth bar of linear motor, the moving bar of electromagnet; The wire of output terminal of digital demonstration electronic over-speed governor is connected with the power supply electrical control circuit on electrical motor or the electromagnet;
The big and heavy stone post is the lateral projection shape, is arranged on 2 sides of hoistway wall, its quantity be 2 on every floor or more than, and can with the safe thick stick phase resistance that stretches out; The vertical distance of neighbouring 2 big and heavy stone posts is identical with the vertical distance of neighbouring floor ground; And big and heavy stone post height is arranged on after it has stoped the overspeed of car, and car door is aimed at the floor door.
6. according to each described photosensitizing type sensor safety device of elevator in the claim 1 or 2,3, it is characterized in that, this device also comprises: be arranged on electrical motor or electromagnet in the machine room, be arranged on the interior lever of machine room, connecting rod, left and right sides rope-clamping pliers piece, go up tension sheave, be arranged on the following tension sheave device of well, and walk around upper and lower tension sheave and safety tongs tie rod bonded assembly speed limiter wire rope; The digital wire of output terminal of electronic over-speed governor that shows is connected with the power supply electrical control circuit of electrical motor or electromagnet;
Described electrical motor comprises linear motor and turning motor; Described linear motor comprises that linear motor is elementary and linear motor is secondary; Described turning motor is being fixed gear on its main shaft, and wheel and rack is meshing; Described electromagnet comprises electromagnet main body and the moving bar of electromagnet;
The front end of the secondary or tooth bar of linear motor, the moving iron of electromagnet is formed active shape with an end of L shaped lever and is connected, the other end of lever is formed active shape with an end of Y shape connecting rod and is connected, the other end of connecting rod is formed active shape with rope-clamping pliers piece outer end, the left and right sides and is connected, and rope-clamping pliers piece circular arc the inner, the left and right sides is in 2 sides of speed limiter wire rope; The axis hole at lever middle part connects mounting by axle; The axis hole at rope-clamping pliers piece middle part, the left and right sides connects axle bed by axle; Electrical motor or electromagnet, mounting, axle bed all are fixed on the framework of machine room.
7. according to each described photosensitizing type sensor safety device of elevator in the claim 1 or 2,3, it is characterized in that, this device also comprises: be arranged on electrical motor or electromagnet in the machine room, be arranged on lever in the machine room, attaching parts, about folder rope voussoir, go up tension sheave, be arranged on the following tension sheave device of well, and walk around upper and lower rope sheave and safety tongs tie rod bonded assembly speed limiter wire rope; The digital wire of output terminal that shows electronic over-speed governor is connected with the power supply electrical control circuit of electrical motor or electromagnet;
Described electrical motor comprises linear motor and turning motor; Described linear motor comprises that linear motor is elementary and linear motor is secondary; Described turning motor is being fixed gear on its main shaft, and wheel and rack is meshing; Described electromagnet comprises electromagnet main body and the moving bar of electromagnet;
Secondary or the tooth bar of linear motor, the moving iron of electromagnet are formed active shape with an end of L shaped lever and are connected, the other end of lever is formed active shape with attaching parts and is connected, folder rope voussoir is formed active shape and is connected about attaching parts and V-arrangement, about the folder voussoir of restricting be in 2 sides of speed limiter wire rope; The axis hole at lever middle part connects mounting by axle; Electrical motor or electromagnet main body, mounting all are fixed on the interior framework of machine room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020217867XU CN201864406U (en) | 2010-06-01 | 2010-06-01 | Photosensitizing type sensor safety device of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020217867XU CN201864406U (en) | 2010-06-01 | 2010-06-01 | Photosensitizing type sensor safety device of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201864406U true CN201864406U (en) | 2011-06-15 |
Family
ID=44135568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020217867XU Expired - Fee Related CN201864406U (en) | 2010-06-01 | 2010-06-01 | Photosensitizing type sensor safety device of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201864406U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844719A (en) * | 2010-06-01 | 2010-09-29 | 白士良 | Photosensitizing type sensor safety device of elevator |
| CN109019241A (en) * | 2018-09-28 | 2018-12-18 | 李勇 | The triggering method that lift appliance, elevator are protected |
| CN113044690A (en) * | 2021-03-31 | 2021-06-29 | 伊萨电梯有限公司 | Elevator speed measurement method, device, system, computer equipment and storage medium |
| CN115180472A (en) * | 2022-06-22 | 2022-10-14 | 厦门市特种设备检验检测院 | Rapidly-installed monitoring sensor for elevator and use method thereof |
-
2010
- 2010-06-01 CN CN201020217867XU patent/CN201864406U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844719A (en) * | 2010-06-01 | 2010-09-29 | 白士良 | Photosensitizing type sensor safety device of elevator |
| CN101844719B (en) * | 2010-06-01 | 2014-01-08 | 白士良 | Photosensitizing type sensor safety device of elevator |
| CN109019241A (en) * | 2018-09-28 | 2018-12-18 | 李勇 | The triggering method that lift appliance, elevator are protected |
| CN109019241B (en) * | 2018-09-28 | 2020-05-22 | 李勇 | Elevator device and triggering method for elevator protection |
| CN113044690A (en) * | 2021-03-31 | 2021-06-29 | 伊萨电梯有限公司 | Elevator speed measurement method, device, system, computer equipment and storage medium |
| CN115180472A (en) * | 2022-06-22 | 2022-10-14 | 厦门市特种设备检验检测院 | Rapidly-installed monitoring sensor for elevator and use method thereof |
| CN115180472B (en) * | 2022-06-22 | 2023-04-11 | 厦门市特种设备检验检测院 | Rapidly-installed monitoring sensor for elevator and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101844719B (en) | Photosensitizing type sensor safety device of elevator | |
| JP4810246B2 (en) | Servo press | |
| CN201864406U (en) | Photosensitizing type sensor safety device of elevator | |
| CN1795137B (en) | Emergency stop device of elevator | |
| KR930011619B1 (en) | Elevator load dector device | |
| ITBO980710A1 (en) | DETECTION UNIT FOR GYMNASTIC COUNTERWEIGHT MACHINE. | |
| AU2018203298A1 (en) | Automatic elevator inspection systems and methods | |
| CN110526094A (en) | The counterweight frame of having electronic lifting safety tongs | |
| CN101462665B (en) | Elevator safety level apparatus with multiple startup modes | |
| CN202066750U (en) | Tension and compression performance detection device for building heat insulation material | |
| CN115979563A (en) | Impact testing device for automotive electronic equipment | |
| CN206270150U (en) | For the testing machine for mechanical properties of antiglare shield detection | |
| CN104931177B (en) | A kind of hasp opening force on-line measuring device | |
| CN201236086Y (en) | Elevator security bar apparatus capable of setting multiple initialization modes | |
| WO2017002192A1 (en) | Detection device for elevator, which detects amount of wear of rope groove | |
| CN109809275B (en) | Traction steel wire rope tensioning force non-uniformity online detection device and working method thereof | |
| CN106644688A (en) | Mechanical property testing machine used for detection of anti-dazzle board | |
| CN201236084Y (en) | Sensor and digit display electronic speed limiter security device of lift elevator | |
| CN101445198A (en) | Sensor of lift-typed elevator and safety device for digital-displaying electronic over-speed governor | |
| CN117782819A (en) | Tensile force testing device for steel structure detection | |
| JP6939994B2 (en) | Groove wear detector | |
| CN208547534U (en) | A kind of charpy impact test instrument | |
| CN110031394A (en) | A kind of sliding compound friction testing machine of drop hammer type punching | |
| CN110271933A (en) | A kind of elevator limit switch detection method and its system | |
| KR101862212B1 (en) | Gear abrasion gauge device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20120601 |