CN103193126B - A kind of ascending for elevator pilot system - Google Patents
A kind of ascending for elevator pilot system Download PDFInfo
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- CN103193126B CN103193126B CN201310124322.2A CN201310124322A CN103193126B CN 103193126 B CN103193126 B CN 103193126B CN 201310124322 A CN201310124322 A CN 201310124322A CN 103193126 B CN103193126 B CN 103193126B
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Abstract
The present invention relates to a kind of ascending for elevator pilot system, it comprises a up pylon, a bont, a test rack, a counterweight frame, a TT&C system and velocity limiter test pylon, in order to test the up safety guard of elevator and velocity limiter, wherein, described descending pylon inside is hollow, in order to arrange each device of test, support body is provided with two groups of guide rails, for described test rack and counterweight frame guiding, described support body bottom is provided with a tested wire holder; Described bont, it comprises a tested towing machine, and described bont accepts the control command of described TT&C system, controls described test rack and rises according to the characteristics of motion preset and decline; Described velocity limiter test pylon, it is arranged on the bottom of described up pylon, is provided with each device tested described velocity limiter.Described ascending for elevator pilot system can be tested the up safety guard of elevator and velocity limiter.
Description
Technical field
The present invention relates to a kind of elevator pilot system, particularly relate to the up pilot system of a kind of protection device for over-speed ascending for elevator and velocity limiter.
Background technology
In the safety test test macro of current elevator, can measure the safety performance of the single part of elevator or simple function.
As Chinese patent ZL200820055236.5, disclose a kind of construction hoist falling-proof safety device detection and experimental device, it is measured the safety of building hoist; Described detection experiment equipment comprises the parts such as cage, driver train, safety test rack, guide rail bracket, sensor and signal handling equipment, and detected safety is arranged on test rack, and safety test rack is positioned at the top of cage.Safety test rack is provided with several safety installation site, and cage driver train is arranged on the below of safety test rack; Load adjustment device comprises and is arranged on weight set on lifter foundation and arranges and the parts such as the load lifting crossbeam on cage floor; Operational test control desk button, the drg of release driver train, cage drives the tenesmus of safety test rack, when lapse rate reaches safety responsiveness by pin type sensor, test rack and cage are braked on guide rail bracket by safety, complete process of the test.The experimental set-up of above-mentioned safety, in safety test process, only carries out safety inefficacy or normal working, does not test the partial failure state of safety.
In view of above-mentioned defect, creator of the present invention obtains this creation finally through long research and practice.
Summary of the invention
The object of the present invention is to provide a kind of ascending for elevator pilot system, in order to overcome above-mentioned technological deficiency.
For achieving the above object; the invention provides a kind of ascending for elevator pilot system; it is characterized in that; it comprises a up pylon, a bont, a test rack, a counterweight frame, a TT&C system and velocity limiter test pylon; in order to test the up safety guard of elevator and velocity limiter; wherein
Described up pylon inside is hollow, in order to arrange each device of test, support body is provided with two groups of guide rails, is described test rack and counterweight frame guiding, described support body bottom is provided with a tested wire holder;
Described bont, it comprises a tested towing machine, and described bont accepts the control command of described TT&C system, controls described test rack and rises according to the characteristics of motion preset and decline;
Described test rack is provided with tested safety tongs, and it is under the effect of described bont, along described guide rail movement;
Described velocity limiter test pylon, it is arranged on the bottom of described up pylon, is provided with each device tested described velocity limiter;
Described TT&C system, its each device controlling described test is according to the program behavior preset, and the test data of tested safety tongs, towing machine, wire holder and velocity limiter is recorded and processed, and the mode of operation of each device of energy Real-Time Monitoring, and adjust by the state preset.
Preferably, described bont comprises:
One drives towing machine, it is arranged on bottom described up pylon, and when promoting described test rack, described driving towing machine and described tested towing machine associated working provide driving power, when testing described tested towing machine, described TT&C system stops the work of described driving towing machine;
One assembly pulley, it is distributed on described up pylon, test rack and counterweight frame, and described tested towing machine, driving towing machine, test rack and counterweight frame are serially connected by each pulley that a lifting rope walks around described assembly pulley;
One towing machine mount pad, it is arranged on bottom described up pylon, and in order to install described tested towing machine, described tested towing machine is connected with described test rack by the pulley that can adjust position in the horizontal direction.
Preferably, described velocity limiter test pylon is provided with: a hoisting mechanism, a counterweight releasing mechanism, a counterweight frame, a steel wire rope stretching device, wherein,
Described hoisting mechanism, it is arranged on described up pylon top, and it provides tractive force for described counterweight frame;
Described counterweight frame, is provided with speed sensor and pulling force sensor, and is mounted with counterweight;
Described steel wire rope tensioning mechanism, it is provided with a dilatory plate, described dilatory plate one end is connected with described counterweight, the other end is provided with the holes of vertical direction, the steel wire rope clip of described steel wire rope tensioning mechanism is connected with a hole of described dilatory plate, and the steel rope of described velocity limiter is connected with another sky of described dilatory plate through a pulling force sensor.
Preferably, described test rack comprises a trigger mechanism, and it is installed on the bottom of described test rack, and one end is connected with described tested safety tongs, and described trigger mechanism accepts the control command of described TT&C system, triggers described safety tongs action.
Preferably, described counterweight frame and described test rack do the contrary motion in direction, are provided with a shock seat, a trigger mechanism, a lock dog, wherein,
Described lock dog is in order to lock the counterweight on described counterweight frame;
Described trigger mechanism, it is installed on the bottom of described counterweight frame, and one end is connected with described tested safety tongs, and described trigger mechanism accepts the control command of described TT&C system, triggers described safety tongs action.
Preferably, described ascending for elevator pilot system also comprises a counterweight handler, and described counterweight handler is the handler of three degree of freedom, and it comprises:
One telescoping mechanism, it realizes the handling of counterweight on test rack by the flexible of a telescopic girder, and described telescoping mechanism is driven by a screw-nut body, and described telescopic girder is connected on the nut of described screw-nut body, and described telescopic girder is also provided with a hanging box;
One counterweight hoisting mechanism, it is arranged in described hanging box, in the vertical direction moves, it is driven by a screw-nut body, the nut of described screw-nut body is provided with a pulley, described pulley walked around by a hoist cable, and described hoist cable one end is fixed, other end end connects a suspension hook, and described suspension hook directly clamps described counterweight;
One cross traveling trolley, it is arranged on described telescoping mechanism, and it does the cross motion vertical with described telescopic girder, and it drives a roller motion by a motor, and described roller and a transition carriage bridge joint touch, and drive it at transverse shifting.
Preferably, the column of described up pylon is also provided with a wire holder mount pad, is provided with described tested wire holder; When carrying out wire holder or safety tongs test, described tested towing machine assembly pulley replaces, and described driving towing machine provides power.
Preferably, described trigger mechanism is an electronic trigger mechanism, and it comprises:
One push rod, it is directly connected with described safety tongs, triggers described safety tongs;
One yoke assembly, it receives the control of described TT&C system and energized action;
One spring, it is placed between described push rod and yoke assembly, in order to promote described push rod action.
Preferably, described trigger mechanism is a mechanical trigger mechanism, and it comprises:
One driving lever, it is directly connected with described safety tongs, triggers described safety tongs;
One pivoted arm, it is arranged in a rotating shaft and with described axis of rotation, it drives described driving lever action, described pivoted arm and one is accompanied, and locking restricts is connected, and described retinue lock rope is connected with a velocity limiter, when arriving test speed, described velocity limiter action, triggers described safety tongs action.
Preferably, described up pylon is formed by column and truss support, and it comprises more piece, is often provided with a workplatform between adjacent two joints, is provided with cat ladder between operated adjacent platform.
Beneficial effect of the present invention is compared with the prior art: ascending for elevator pilot system of the present invention, its pylon is arranged a driving towing machine, when carrying out the test of towing machine, described driving towing machine and tested towing machine are combined provides power, reduce test rack and reach predetermined time, save the length of track; Described TT&C system can regulate each device in described test, correct, and improves accuracy and the success ratio of test; Test bottom arranges shock absorber, can protection test device, can test again to it; Described counterweight handing device, can realize the motion of three degree of freedom, can carry out controllability handling to test rack; This up pilot system can realize the test of towing machine, velocity limiter, wire holder and up safety tongs, and it forms complete, a comprehensive test macro, has higher accuracy and reliability.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the descending pylon agent structure of pilot system of the present invention;
Fig. 2 is the schematic diagram of the component devices of the descending pilot system of elevator in the present invention;
Fig. 3 be the guide frame of the descending pilot system of elevator of the present invention face structural representation;
Fig. 4 be the release gear of the descending pilot system of elevator of the present invention face structural representation;
Fig. 5 a be the test rack of elevator pilot system of the present invention face structural representation;
Fig. 5 b be the safety tongs trigger mechanism embodiment one of elevator pilot system of the present invention face structural representation;
Fig. 5 c is the schematic diagram of the safety tongs trigger mechanism embodiment two of elevator pilot system of the present invention;
Fig. 6 a is the integral structure schematic diagram of the handler of elevator pilot system of the present invention;
Fig. 6 b be the telescoping mechanism of elevator pilot system of the present invention face structural representation;
Fig. 6 c be the counterweight hoisting mechanism of elevator pilot system of the present invention face structural representation;
Fig. 6 d be the cross traveling trolley of elevator pilot system of the present invention face structural representation;
Fig. 7 be the shock absorber of elevator pilot system of the present invention face structural representation;
Fig. 8 is the functional block diagram of the TT&C system of elevator pilot system of the present invention;
Fig. 9 is the comparison monitored control system principle schematic of the redundant system of elevator pilot system of the present invention;
Figure 10 is acceleration/accel and the time gap schematic diagram of the sensor acquisition detecting information of elevator pilot system of the present invention;
Figure 11 is the schematic diagram of the component devices of the up-running over-speed protection test of the up pilot system of the present invention;
Figure 12 be the counterweight frame of the up pilot system of the present invention face structural representation;
Figure 13 is the acquisition time interval of sensor of the present invention and the curve synoptic diagram of speed;
Figure 14 is the schematic diagram of the component devices of velocity limiter pilot system of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristic and advantage of the present invention.
Elevator safety pilot system of the present invention has uplink and downlink pylon, wherein said descending pylon is tested the descending safety device of elevator, up pylon is tested protection device for over-speed ascending for elevator and velocity limiter, and the testing experiment of various device shares a TT&C system; Described descending safety device comprises descending safety tongs and shock absorber, and described protection device for over-speed ascending comprises towing machine, wire holder and up safety tongs, is now described the test of each elevator car safety respectively.
The basic component of the descending pilot system of the present invention is descending pylon, refers to shown in Fig. 1, and it is the schematic diagram of the descending pylon agent structure of pilot system of the present invention, and described descending test pylon is used for safety tongs and falls and bumper tests.Described descending test pylon is supported by vertical column 15 and truss 14 and forms, every root post 15 is welded by square tube segmentation and forms, connect with truss 14 between described column 15, truss 14 adopts rhs-structure to form, be arranged symmetrically with in splayed, described pylon is surrounded hollow framework by it, and the central space of pylon is in order to arrange various experimental set-up of the present invention and test rack; Pylon top is provided with entablatrance 12, described entablatrance 12 is provided with the bont in the present invention; Bottom column 15, be provided with two square grade beams 112, this grade beam 112 is connected with the holding-down bolt of tower foundation, is fixed by main truss.
Described pylon is made up of more piece, at pylon, a workplatform 13 and illumination equipment are set every about 5m, described workplatform 13 is made up of floor, corrosion-resistant steel railing and diagonal ligament, a cat ladder 16 is provided with between operated adjacent platform 13, pass through up and down with for operating personal, described workplatform 13 and cat ladder 16 surrounding arrange guardrail, prevent personnel from falling; As the basic building block guide rail 19 of elevator and pilot system of the present invention, it is connected and fixed with described column 15 and crossbeam 111 by a rail mounting bracket 17, in this pilot system, be provided with at least one pair of guide rail, its test rack being respectively different model provides orbit; In order to meet the test of multiple test rack, guide rail 19 in the present invention can be changed, often save guide rail between above-mentioned adjacent workplatform 13, described rail mounting bracket 17 is corresponding with the position of described workplatform 13, and the personnel of being convenient to operation change the guide rail of different model.
Refer to shown in Fig. 2, its schematic diagram being the descending pylon component devices of the descending pilot system of elevator of the present invention, described descending pilot system comprises bont 2, guide frame 3, release gear 4, test rack 5, shock absorber 6, counterweight handing device, building hoist, safety tongs trigger mechanism and electric-control system etc., for safety tongs drop test and bumper tests; Wherein, described bont 2 is arranged on the top of described pylon, it promotes, fall described guide frame 3, below described guide frame 3, described release gear 4 is installed, described guide frame 3 is the rising of described release gear and the guiding that declines, and be provided with described test rack 5 below described release gear 4, the downside of described test rack 5 is provided with detected safety tongs, described shock absorber 6 is placed in bottom pylon, causes damage to prevent test rack 5 accidental falling to test facility and neighbouring building.
Please continue shown in composition graphs 2, described bont 1 mainly comprises the constant electric block of rings center 21 and dolly 22, described electric block 21 is arranged on dolly 22, and described dolly 22 is arranged on supporting guide 23, and described supporting guide 23 is fixed on described entablatrance 12; In the present invention, described dolly 22 can on described supporting guide 23 transverse shifting, described supporting guide 23 end is provided with baffle plate, to limit the range of movement of described dolly 22; In the present embodiment, described dolly 22 has two fixed positions, left and right on supporting guide 23, can be applicable to two groups of test tracks, can carry out safety detection to the test rack of different model.
Refer to shown in Fig. 3, its be the guide frame of the descending pilot system of elevator of the present invention face structural representation, in the present invention, guide frame 3 has different models, is applicable to different test loads respectively, can change as required; Described guide frame 3 is suspended on the suspension hook of described electric block 21, and with lead boots and install fixing, by described lead boots can on described guide rail 19 crank motion, described electric block 21 provides tractive force for it; Described guide frame 3 lower end is connected with described release gear 4, described guide frame 3 play the guiding role to described release gear 4, simultaneously when described release gear 4 discharges described test rack 5, bear an antagonistic force, it also has the effect of stablizing described release gear 4 and above-mentioned suspension apparatus; In the present embodiment, described guide frame 3 comprises a support 31, and it has one arrange symmetry projection 33, adapter shaft of lateral threaded holes through described tapped bore, described guide frame 3 is mounted by this adapter shaft by the suspension hook of described electric block 21; Described guide frame 3 also comprises a hook support 32, and it is in order to be connected with the hook of described test rack 5 upper end.
Refer to shown in Fig. 4, its be the release gear of the descending pilot system of elevator of the present invention face structural representation, described release gear 4 comprises a release frame 43, and it forms the main body of described release gear; Also comprise a trigger unit, in the present embodiment, it is electromagnet 41, push rod 42; One linkage portion, it comprises a left lever 45, and switches through the right pull bar 48 of Rocker arm 46, release Rocker arm 47; One card-tight part, it comprises a hook 44, and described hook 44 is positioned at described release frame 43 both sides in pairs, in order to hang thereon by described test rack 5; In addition described release gear 4 also comprises a control part, and it controls the action of described trigger unit, and then controls the motion of described linkage portion and card-tight part, in order to discharge or to clamp described test rack 5.
Wherein, described release Rocker arm 47, the ends contact of one external part and described push rod 42, when described electromagnet 41 obtains electric, described push rod 42 moves downward, the end action of the described release Rocker arm 47 of direct promotion, described release Rocker arm 47 can along its central rotation, its another external part side is provided with a safety pin 40, described safety pin 40 is in order to limit the motion of described release rocking arm, only have when described safety pin 40 takes out, described release Rocker arm 47 just can move, to prevent misoperation, at this end of described release Rocker arm 47, also be provided with a spring 49, described spring 49 other end is fixed on described release frame 43, in order to limit the motion of described release Rocker arm 47 and to make it reset, 3rd external part of described release Rocker arm 47 is provided with a roller 471, described roller 471 contacts with described switching Rocker arm 46, when discharging described test rack 5, described roller 471 separates with described switching Rocker arm 46, described switching Rocker arm 46 two ends are connected with described left lever 45 and right pull bar 48 respectively, when described roller 471 is separated with described switching Rocker arm 46, describedly switch through Rocker arm 46 clickwise, described left and right pull bar promotes to be attached thereto two hooks 44 connect respectively, left side suspension hook left-hand revolution, right side hook clickwise, a larger spacing is produced between the end of described suspension hook and described release frame 43, the hook bar of described test rack 5 is separated with described hook 44, described test rack falls.
Refer to shown in Fig. 5 a, its be the test rack of elevator pilot system of the present invention face structural representation, described test rack 5 top is provided with described hook bar 51, and described hook bar 51 end is provided with horizontal through hole, in order to mount with described suspension hook 44; Described test rack 5 is supported by head tree 53 and forms, and described test rack 5 relies on described head tree 53 along described guide rail 19 up-and-down movement; The middle part of described test rack 5 and bottom are separately installed with a set of trigger mechanism 54, and in the present invention, described trigger mechanism has electronic trigger mechanism and mechanical trigger mechanism; Trigger mechanism 54 in the middle part of described test rack 5 and one insures safety tongs and is connected, and the trigger mechanism of bottom is connected with tested safety tongs; Described test rack bottom is also provided with a shock seat 55, in order to clash into described shock absorber 6, during test, discharge described test rack 5, when it arrives predetermined speed, described tested safety tongs action, described test rack 5 is clamped on described guide rail 19, makes the stop motion of described test rack 5, if described tested safety tongs lost efficacy, then described insurance safety tongs action, moves to limit described test rack 5.
Refer to shown in Fig. 5 b, its for elevator pilot system of the present invention trigger mechanism embodiment one face structural representation, this trigger mechanism is mechanical triggering mode, it is identical with the safety tongs trigger theory of conventional elevator, it comprise driving lever 543, be connected with driving lever 543 bearing seat 542, pivoted arm 546 and rotating shaft, shift fork and connecting rod 541, described trigger mechanism is locked to restrict with the retinue of described test rack 5 and is connected; At the trial, when described test rack 5 is transferred and is reached predetermined speed, velocity limiter control described retinue lock rope band moves described pivoted arm 546 and rotates, and then drive described axis of rotation, described rotating shaft drives described driving lever 543 to rotate, described driving lever 543 promotes described safety tongs action, is clamped by described guide rail 19, makes elevator brake.
Refer to shown in Fig. 5 c, the schematic diagram of its trigger mechanism embodiment two being elevator pilot system of the present invention, it comprises push rod 549, spring 548 and a yoke assembly 547, wherein, described push rod 549 is directly connected with safe claw beam, described spring 548 is placed between described push rod 549 and yoke assembly 547, described control system controls described yoke assembly 547 and obtains electric, promote described spring 548, make it extend, and then promoting the action of described push rod 549, described push rod 549 promotes safe claw beam action, clamping guide-rail.
Refer to shown in Fig. 6 a, the integral structure schematic diagram of its handler being elevator pilot system of the present invention, described counterweight handler is the handler of three degree of freedom, the counterweight of described test rack 5 is placed in order to handling, it comprises test tower column 74, counterweight hoisting mechanism 71, telescoping mechanism 72 and cross traveling trolley 73, wherein, described hoisting mechanism 71 is for being elevated counterweight 70, and described test rack 5 is placed and transported out of to counterweight 70, described telescoping mechanism 72, by the handling counterweight 70 of flexible realization on different tests frame 5, described cross traveling trolley 73, the fore and aft motion of itself and described telescoping mechanism 72 is perpendicular, its motion of translation realizes loading and unloading counterweight 70 on descending hoistway and up hoistway.
Refer to shown in Fig. 6 b, its for elevator pilot system of the present invention telescoping mechanism face structural representation, described telescoping mechanism stretching by a telescopic girder 726, realize the handling of counterweight 70 on different tests frame 5, it is driven by a motor 725, its rotary motion is passed to described Transmission by a belt pulley 723 by described motor 725, in the present embodiment, described Transmission is screw-nut body, described belt pulley 723 is by described rotary motion transmission extremely described leading screw 722, described nut 721 is connected with described telescopic girder 726, described telescopic girder 726 moves in the horizontal direction with described nut 721, described telescopic girder 726 is fixed with a hanging box 728, described hoisting mechanism 72 is fixed in described hanging box 728, the fore and aft motion of described telescopic girder 726 drives described hoisting mechanism 72 to move together, realize the comparatively wide working range of described counterweight handing device.
Refer to shown in Fig. 6 c, its for elevator pilot system of the present invention hoisting mechanism face structural representation, described hoisting mechanism is placed in described hanging box 728, it comprises motor 712, gear cluster 713 is connected with motor shaft, and a ball screw framework, described leading screw 714 rotates, described nut 715 transverse shifting, one movable pulley 715, it is wound with a hoist cable 718, described hoist cable 718 one end is fixed, the other end is connected with a suspension hook 711, described hoist cable 718 changes into vertical direction through a quiet pulley 716, described suspension hook comprises connecting rod and clamp 712, described clamp 712 clamps described counterweight 70, it is also provided with handle, in order to M/C, load and unload described counterweight 70, collide for preventing suspension hook 711 and described hanging box 728 described in lifting process from producing, described hanging box 728 bottom is also provided with a stage clip 717.
Refer to shown in Fig. 6 d, its for elevator pilot system of the present invention cross traveling trolley face structural scheme of mechanism, described cross traveling trolley 73 is fixed on described telescoping mechanism 72 by trolley frame 738, rotary motion is passed on a transmission shaft 737 by messenger chain wheels 735 by one motor 736, described transmission shaft 737 is provided with a roller 734, described roller 734 contacts with a traversing vehicle frame 732, a castor 733 is also provided with below described traversing vehicle frame 732, under the effect of described roller 734, described traversing vehicle frame can move along the direction vertical with motor 736 axial direction, in the scope of up hoistway and descending hoistway, counterweight is loaded and unloaded to realize described counterweight handler, motor 731 is connected with a feed screw nut component by chain wheel set 732, and the nut 739 on it can be connected with a hanging box, makes it move on motor 731 axial direction, realizes the counterweight handling between different tests frame.
Refer to shown in Fig. 7, its for elevator pilot system of the present invention shock absorber face structural representation, it comprises upset movable decking 63, hydraulic ram 62 and an energy disperser 61 split, described shock absorber 6 is arranged in the pit below column 15, described energy disperser 61 is placed in below described upset movable decking 63, there is backing plate between the two, the ground below described energy disperser 61 is also provided with backing plate; Described hydraulic ram 62 is respectively arranged with, for overturning movable decking 63 described in jack-up below described upset movable decking 63; When carrying out bumper tests, bench board can lock by described upset movable decking 6, and when preventing the shock seat 55 on described test rack 5 from clashing into, energy disperser 61 tilts and affects test effect; When carrying out safety tongs test; described hydraulic ram 62 by described movable overturn platform 63 by horizontal position top set to vertical position; expose described energy disperser 61; get out of the way safety tongs pilot passageway; and vertical movable overturn platform 63 doublely can do apron; when avalanche occurring, splashing, play the effect of part protection.
In the present embodiment, test tower energy disperser has oil-gas formula energy disperser, it is for the large test rack of descending pylon, described oil-gas formula energy disperser has the highest efficiency and best energy absorption capacity, during buffer operative, the fluid that piston rod promotes oil pocket flows in dry air or nitrogen air chamber, pressure gas and fluid simultaneously stability energy, fluid under external force, flows through one or more aperture and produces damping dissipation test rack impact energy.
The energy disperser of descending pylon small test frame comprises oil-gas formula energy disperser and permanent magnet linear eddy current brake systems, wherein said permanent magnet linear eddy current brake systems, magnet on it is arranged on test rack, braking guide rail and inductor are as the motion guide rail of described test rack, described magnet and braking guide rail produce relative motion, in inductor, produce eddy current, the magnetic field that eddy current produces and the magnetic field interaction that magnet produces, obtain braking force, described test rack is braked.
In the present invention, also comprise a triplex redundance redundant computation machine observe and control system, in order to measure the kinematic parameter of described test rack in real time, and control the working process of described descending pilot system; Refer to shown in Fig. 8, the functional block diagram of its TT&C system being elevator pilot system of the present invention, described control system, it comprises a logic and administrative unit 81, real-time controlling unit 82, data acquisition unit 83 and an action control unit 84, wherein, described logic and administrative unit 82 are in order to realize the man-machine interaction of system, treatment and analysis is carried out to system data, the diagnosis of the system failure is processed, and carry out communication with described action control unit 84 and control whole system action, carry out data interaction with the external world; Described data acquisition unit 83, it is in order to the displacement by being arranged on the sensor collection related device on each proving installation, speed, acceleration/accel and tension information, and carry out data interaction with described real-time controlling unit 82, described each proving installation is provided with corresponding testing sensor; Described real-time controlling unit 83, its information transmission of being collected by described data acquisition unit 83 is to described logic and administrative unit 81, its Real-Time Monitoring also adjusts the displacement of each proving installation, speed, acceleration/accel, realizes the scene protection of the displacement of system and the closed loop control of speed and test specimen; Described action control unit 84, it receives the control information of described logic and administrative unit 82, controls the start-stop of each device of described system, controls described safety tongs action under the invention, safety tongs triggers and release gear action in row pilot system.
In the present embodiment, described data acquisition unit 83 comprises analog interface circuit and digital interface circuit, and it is the interface of computing machine and external control devices, hardware comprises control housing and circuit card; The core of described logic and administrative unit 81 and real-time controlling unit 82 is all computing machine; Described action control unit 84 comprises a PLC, frequency converter and various relay, and described PLC and described logic and administrative unit 81 carry out data interaction, and control described frequency converter and the various actuating of relay.
Triplex redundance redundant computation machine observe and control system in the present invention needs to carry out action control to each executive device of the descending pilot system of described elevator, up pilot system and velocity limiter test, and the corresponding displacement of the measured pieces such as real-time measurement described safety tongs, shock absorber, test rack, tested towing machine, wire holder and velocity limiter, speed, acceleration/accel and tension data, and carry out data analysis and process; Therefore control system is divided into many levels, ground floor is management level, i.e. each administrative unit 81 of logic and enforcement control unit 82, and it adopts Industrial Control Computer; The second layer is key-course, and it adopts PLC, has higher reliability to make system; Third layer is for driving layer, and it adopts frequency converter; 4th layer is execution level, and it adopts motor to drive.
In order to ensure mission reliability and the safe reliability of system, in computer measurement and control system of the present invention, adopt dissimilar redundancy fault tolerant technique to build triplex redundance redundant system, and adopt analytic redundancy technology to complete condition monitoring to the high survey sensor of reliability requirement and fault isolation; The key sensor that TT&C system is used for motion control comprises laser velocimeter sensor, multi-turn absolute encoder and acceleration pick-up, has from monitoring function, to realize monitoring in real time, effectively improves Fault Tolerance; In the present embodiment, MEGA, ARM9 and X86 tri-kinds of hardware platforms are adopted in described TT&C system, build dissimilar redundancy TT&C system, independently measure movable body kinematic parameter by laser velocimeter sensor, multi-turn absolute encoder and acceleration pick-up, utilize algorithm to draw each self-acceleration, speed and displacement data respectively; Now be described as follows to three kinds of sensors, only to measure the acceleration/accel of test rack.
Described laser sensor, it is arranged on the guide rail that described test rack 5 slides, in order to gather displacement and the speed signal of described test rack 5, it is connected with above-mentioned industrial computer by interface of standard configuration and communicates, the displacement information of described test rack 5 is transferred in described industrial computer and processes, calculate the acceleration/accel of described test rack 5.
Described rotary encoder, it is connected with described drive motor, and it gathers the corner information of described motor and transfers to described industrial computer, in order to calculate displacement and the speed of described test rack 5.
Described accelerometer, it is arranged on described test rack 5, and is transferred in described industrial computer by this acceleration information and process.
Triplex redundance redundant computation machine observe and control system of the present invention, monitoring is compared in employing and sensor monitors the monitor mode combined certainly, primary fault detects to adopt and realizes from monitoring and comparing the mode monitoring combination, and secondary failure and three fault detections are realized by self-monitoring mode.
The mode comparing monitor mode and adopt cross aisle to compare of the present invention, refer to shown in Fig. 9, the comparison monitored control system principle schematic of its redundant system being elevator pilot system of the present invention, the data message of each sensor and rotary encoder transmits by described data transmission channel respectively, data channel one a1, data channel two a3 is respectively by the extremely described central processing unit a2 process of the data information transfer of its correspondence, the input information of three data channel compares by described central processing unit a2 between two, the situation exceeding specified thresholds according to its difference judges the passage of et out of order, information as three kinds of data channel is respectively A, B, C, if described central processing unit a2 judges | A-B| and | the value of A-C| all exceedes threshold value, then can judge the data channel et out of order carrying A information, described each central processing unit will judge that information transmission is in selection processor a4, it judges the accurate information of data channel and selects, and the data of selection are transferred to described action control unit 84 or data acquisition unit 83 through data transmission channel a5, the above-mentioned monitor procedure that compares is processed by described logic and administrative unit 81, central processing unit in it and selection processor process according to pre-set programs after carrying out breakdown judge and data analysis selection.
System of the present invention mainly comprises offline inspection and on-line checkingi mode from monitoring, and the off-line self checking method of employing mainly comprises: handler Autonomous test, and memory device stores check sum, A/D switching channel Autonomous test, CAN Autonomous test etc.; What system was taked mainly comprises online from method for supervising: controller is from monitoring, as timer monitoring, power supply are monitored certainly from monitoring, memory device, described controller can adopt a house dog software or circuit to monitor, it is according to the time automatic cycle preset, if system does not carry out feeding dog, system reset within a certain period of time, test No. increases automatically, continues test according to original data.
Above-mentioned various sensor in the present invention all possesses from monitoring function, its implementation process is realized by described logic and administrative unit 81, described various sensor sends Detection Information and the monitor message of self of each device to described logic and administrative unit 81 through described data acquisition unit 83, according to the program preset, described logic judges that whether monitor message is consistent with the normal job information of sensor with administrative unit 81, detect electrical accident.
Now in conjunction with above-mentioned TT&C system and each experimental set-up, the process of the test to elevator safety gear is described, and in the present invention, described descending tower height is allocated as follows: tower top space is for installing described bont 2; Described test rack 5, guide frame 3 are arranged in below bont 2; Tower height can meet the safety tongs action needs distance requirement of test command speed.
When carrying out safety tongs drop test, described action control unit 84 controls described bont 2, makes it be in the height of described counterweight handler, controls described counterweight handler and places the counterweight preset to described test rack 5, and rise to top, described action control unit 84 controls the fixed position that described dolly 22 moves to described pylon, described test rack 5 is risen to predetermined altitude by the electric block 21 on it, described logic and administrative unit 81 are to described action control unit 84 control information transmission, described action control unit 81 controls the action of described release gear 4, by described test rack 5 from its hook 44 release, described test rack 5 freely falls, when test rack 5 reaches command speed, speed on described test rack, this information is transferred to described logic and administrative unit 81 by data acquisition unit 83 by acceleration pick-up, described logic and administrative unit 81 analyze this data message, control command is sent to described action control unit 84, trigger described safety tongs trigger mechanism, described safety tongs action, and then TT&C system measures the performance perameter of safety tongs automatically, in the process, described real-time controlling unit 82 obtains the Information Monitoring of described data acquisition unit 83 in real time, and adaptive adjustment is carried out to the state of each proving installation, ensure the normal operation of each proving installation.
1) nominal situation, when test rack 5 drops to h1 height, when reaching the maximum test speed of its permission, tested safety tongs action, described test rack 5 continues to drop to h2 height by predetermined detecting distance, in the case, described test rack 5 runs with the constant acceleration preset, now, according to the sensor Information Monitoring on each proving installation, described logic and administrative unit 81 judge that described each proving installation does not have exception, then test is normal, and described logic and administrative unit 81 collect the various information of tested safety tongs.
2) unusual service condition, when described test rack 5 falls to h2 height, if described TT&C system finds tested safety tongs partial failure, described test rack 5 continues fall and do not take urgent measure, when test rack 5 falls to h4 height, described test rack 5 enters the permanent magnet braking stage, described action control unit 81 controls described permanent magnet braking system acting, absorbs the kinetic energy of described test rack, if when arriving ground, described test 5 does not stop, then absorb remaining kinetic energy by described shock absorber;
When described test rack 5 falls to h2 height, if described TT&C system finds that tested safety tongs lost efficacy, then described logic and administrative unit 81 send control command to described action control unit 84, control the insurance safety tongs action in the middle part of described test rack 3, and control described permanent magnet braking system acting; If described insurance safety tongs also lost efficacy simultaneously, described test rack 5 continued to fall, and when falling to height h4, described kinetic energy is then absorbed by above-mentioned permanent magnet braking system and shock absorber.
In process of the test, described logic and administrative unit 81 judge that described safety tongs is in partial failure state or failure state, the test rack acceleration information measured in real time is transferred to described logic and administrative unit 81 by described data acquisition unit 83 by the acceleration pick-up on described test rack 5, when above-mentioned height h1, described logic and administrative unit 81 calculate the accekeration of described test rack, and compare with the acceleration range of the inefficacy pre-set and partial failure, judge its scope fallen into, and then send different control commands to described action control unit 84.
Work as a=a
1time, described safety tongs is in normal working;
Work as a
2< a < a
1time, described safety tongs is in partial failure state, and described in this process, the stopping distance of test rack 5 is very long;
As a≤a
2time, described safety tongs is in failure state;
Wherein, described a represents the acceleration/accel of safety tongs, a
1and a
2for the definite value that described logic and administrative unit 81 pre-set, it sets according to the speed of the height of described pylon and test rack 5.
In the process of the test of the described safety tongs of test, acceleration pick-up on described test rack 5 and the laser sensor on guide rail, need to evaluate the deceleration and stopping performance of described safety tongs, wherein, parameter of paramount importance is displacement to described test rack 5, speed, acceleration information are measured and acquisition process, for this reason, described logic and administrative unit 81 control according to the time gap of different tests situation to the Information Monitoring of described each sensor, to control measuring accuracy.Refer to shown in Figure 10, its acceleration/accel for sensor acquisition detecting information of the present invention and time gap schematic diagram, when the acceleration/accel a of described test rack 5 is lower, when described safety tongs is in inefficacy or partial failure state, described sensor reduces with the time gap t of the increase obtaining information of acceleration/accel a, when described safety tongs normally works, the time gap t of its obtaining information is certain value.
Above-mentioned formula (1) represents the time gap of sensor obtaining information of the present invention and the functional relation of acceleration/accel, wherein, t represents that sensor obtains the time gap of the movable information of test rack 5, and k represents the inherent parameters of sensor, and m represents the total weight of test rack 5; B, a
1and a
2for the definite value that described logic and administrative unit 81 pre-set, it sets according to the speed of the height of described pylon and test rack 5, and 0 < b < 1; T is certain value.
Obtain Test Information according to above-mentioned function, the test accuracy of warranty test system when higher accelerations, alleviates the computing complexity of control system simultaneously.
The bumper tests process of described descending pilot system is as described below.
When testing, described logic and administrative unit 81 send a control command to described action control unit 84, described hydraulic ram 62 bounces back, and drives described upset movable decking 63 to turn to level attitude, and described energy disperser 61 is placed in below described upset movable decking 63, described logic manage and control unit 81 according to the requirement of described test rack 5 velocity of impact to described action control unit 84 sending controling instruction, described test rack 5 is risen to predetermined altitude by described electric block 21, and trigger the trigger unit action of described release gear 4, described test rack 5 discharges by described release gear 4, make its free fall, clash into described shock absorber 6, in this knockout process, the sensor that described shock absorber 6 is arranged measures its stroke automatically, speed, the measurement parameters such as acceleration/accel, and this parameter is transferred to described logic and administrative unit 81 through data acquisition unit 83, carry out analysis for it to judge, in this process, described real-time controlling unit 82 obtains the Information Monitoring of described data acquisition unit 83 in real time, and carries out adaptive adjustment to the state of each proving installation, ensures the normal operation of each proving installation.
In the present invention, up test pylon and descending test pylon are linked together by truss; described up pilot system comprises test rack, counterweight, counterweight handler, shock absorber, bont and electric-control system etc.; it is tested for protection device for over-speed ascending, comprises the test of traction machine brake, wire holder and up safety tongs.
The frame structure of described up pylon and descending pylon is similar, it is made up of column, crossbeam and truss support, guide rail is connected and fixed by rail mounting bracket and described column, and support body hollow bulb arranges various experimental set-up, and described pylon side is also provided with cat ladder.
Described protection device for over-speed ascending and process of the test as described below.
Refer to shown in Figure 11, the schematic diagram of the component devices that its up-running over-speed protection for the up pilot system of the present invention is tested, described bont comprises the driving towing machine 91 being arranged on tower top, assembly pulley 92, be arranged on tested towing machine 96 and the magnetic clutch of pylon bottom, described assembly pulley 92, be distributed in described up pylon, on test rack 94 and counterweight frame 93, described pylon bottom is provided with towing machine mount pad 97, described tested towing machine 96 is arranged on described towing machine erecting stage 97, described tested towing machine 96 is connected with a test rack 94 by a lifting rope and pulley, the installation site of described pulley can horizontal adjustment, the cornerite of running wheel is dragged with adjustment, lifting rope walks around the pulley of counterweight frame 93 upper end, described lifting rope end winding support is on pylon.
Described driving towing machine 91, in order to provide power with the associated working of tested traction unit 96, rapidly test rack 94 speed uplink is risen to test speed, saves the acceleration distance of test rack; When reaching speed needed for test, described logic and administrative unit 81 drive described action control unit 84 that described driving towing machine 91 is quit work, be separated from described up pilot system by described driving towing machine 91, then can test the deceleration and stopping performance of tested towing machine.
Described pylon column is also installed a wire holder mount pad 95, is provided with tested wire holder; Described test rack 94 is substantially identical with the test rack 5 in above-mentioned descending pilot system, be provided with up safety tongs, top is provided with pulley, described bont is promoted by pulley, described test rack 94 is also provided with safety tongs trigger mechanism, it comprise machinery trigger and electric trigger mechanism, its structure and working process identical with the flip flop equipment of above-mentioned descending pilot system; Be provided with shock absorber bottom described test rack 94, during in order to ensure that described test rack 94 surprisingly falls, reduce the impact to pylon and ground.
Refer to shown in Figure 12, its be the counterweight frame of the up pilot system of the present invention face structural representation, its structure is similar to described test rack 93, comprises and clashes into seat 943, trigger mechanism 942, lock dog 941 and the counterweight 70 that loads on it; Described counterweight frame 93 is contrary with the sense of motion of described test rack 94, and the safety tongs trigger mechanism 942 on it is controlled by preset order by described electrical controller; Counterweight handler in process of the test, electrical controller are identical with above-mentioned descending pilot system.
The process of the test of described protection device for over-speed ascending is as described below.
Towing machine brake test: described logic and administrative unit 81 are to described action control unit 84 sending controling instruction, control described counterweight handler and on described test rack 94 and described counterweight frame 93, load counterweight according to the test weight preset, after weight sensor on described test rack 94 detects the weight on described test rack 94, described weight information is transferred to described logic and administrative unit 81 through described data acquisition unit 83, described logic and administrative unit 81 according to the test program arranged in it to described action control unit 84 sending controling instruction, described action control unit 84 drives described driving towing machine 91 and tested towing machine 96 action, under the effect of described counterweight frame 93, rapidly described test rack 94 is risen to test speed, after the speed sensor be arranged on described test rack 94 detects the pre-set velocity of described test rack 94, by this information transmission to described logic and administrative unit 81, described logic and administrative unit 81 send control command, the magnetic clutch of towing machine 91 is driven to disconnect, and cut off the power supply of tested towing machine 96, described logic and administrative unit 81 control the drg of closed tested towing machine 96, described TT&C system is by being arranged on the displacement on described test rack 94, speed, acceleration/accel, the metrical information of weight sensor obtains the parameter information of tested traction machine brake, and transfer to described logic and administrative unit carries out recording and storing.
In the present invention, adopt the mode driving towing machine and tested towing machine to combine driving, test failure or meet accident cause the deceleration/decel of test rack too low or cannot up deceleration time, described TT&C system recloses and drives towing machine 91, utilize and drive towing machine 91 and up safety tongs emergency braking, the running velocity of the described counterweight frame 93 of rapid reduction, finally by the shock absorber bottom the mounting guide rail being arranged on counterweight frame 93, the dump energy that absorption test produces.
For ensureing that the Information Monitoring of described sensor can meet the processing demands of described logic and administrative unit 81, described logic and administrative unit 81 control the time gap of the Information Monitoring of described sensor, refer to shown in Figure 13, it is the acquisition time interval of sensor of the present invention and the curve synoptic diagram of speed, the acquisition time interval of described sensor reduces with the increase of speed, namely the speed of described test rack 94 is larger, and time gap is less, and the data message gathered in the same time is more accurate; Shown in formula (2), it is the relation function expression formula of sensor Information Monitoring time gap of the present invention and speed;
Wherein, t represents that sensor obtains the time gap of the movable information of test rack 94, and v represents the speed of test rack, and m represents the total mass of test rack 94,0 < a < 1.
Time above-mentioned, the operation program of m-velocity function is stored in described logic and administrative unit 81, and it makes described test structure more accurate.
Wire holder is tested with up safety tongs: this experimental set-up is identical with the experimental set-up of towing machine velocity limiter, only described tested towing machine assembly pulley need be substituted before test, it is same as described above that TT&C system loads and unloads counterweight process in described counterweight frame 93, and this repeats no more; After loading by preset weight, described logic and administrative unit 81 control described driving towing machine 91 according to the test program preset in it and work, rapidly test rack speed uplink is risen to test speed, afterwards, the up safety tongs controlling closed described tested wire holder or trigger on described test rack 94, described TT&C system measures the parameter of described tested wire holder or up safety tongs automatically, and transfers to described logic and administrative unit 81 carries out recording and processing.In this process, the state that in described real-time controlling unit 82 pairs of processs of the test, each device is preset controls in real time, makes it according to the characteristics of motion motion preset.
In process of the test, described test rack 94 and counterweight frame 93 by respective track installation, are provided with between bottom both and compensate rope, for compensating the changes in weight of steel rope group in up pylon; Tested towing machine 96, driving towing machine 91, test rack 94 are connected by steel rope, assembly pulley with counterweight frame 93; Test rack 94 and counterweight frame 93 are along respective orbital motion, test rack 94 and counterweight frame 93 are all provided with insurance safety tongs and corresponding safety tongs flip flop equipment, when such as have a power failure, disconnected rope etc. surprisingly occurs, described TT&C system can trigger insurance safety tongs automatically, can effectively test rack 94 described in stop and counterweight frame 93, prevent accident.
Can also test velocity limiter in the present invention, device and the process of described velocity limiter test are as described below.
Refer to shown in Figure 14, the schematic diagram of its component devices being velocity limiter pilot system of the present invention, described velocity limiter pilot system is attached to the bottom in the steel structure of described up pylon, it comprises a velocity limiter test pylon, it comprises hoisting mechanism 102, counterweight releasing mechanism 104, counterweight frame 106, detecting device 103, steel wire rope tensioning mechanism 105, shock absorber 108, guide rail and tested velocity limiter 107; Described tested velocity limiter 107 is positioned at described pylon bottom, steel rope walks around the track adjusting wheel 101 on the platform of pylon upper end, described counterweight releasing mechanism 104 is connected again through a hoisting mechanism 102, described counterweight releasing mechanism 104 is connected with described hoisting mechanism 102, can carry out automatic hitch, lifting and unhook to counterweight 70, the release gear in itself and above-mentioned descending pilot system is similar, which is provided with electromagnetism trigger unit and hook, after the control command accepting described TT&C system, start action; Described counterweight 70 is loaded in described counterweight frame 106, described counterweight frame 106 upper and lower side is connected with steel rope, it, at the trial along described guide rail movement, is provided with pulling force sensor and speed sensor, in order to acceleration/accel and the velocity information of counterweight frame 106 described in Real-time Obtaining; Described counterweight frame 106 is provided with shock absorber 108, and it is in order to absorb the kinetic energy that falls of described counterweight frame 106, protection test device; Described guide rail is also provided with a steel wire rope tensioning mechanism 105, in order to tensioning steel rope, it is provided with a dilatory plate, described dilatory plate one end is connected with described counterweight frame, the other end is provided with the holes of vertical direction, the center of holes on the same line, from the steel rope of described velocity limiter 107, be connected with the lower opening on described dilatory plate through a pulling force sensor, from steel rope one end of tightening device 105, be connected with the upper hole of a steel wire rope clip with described dilatory plate, mounted steel rope is by the tensioning of described stretching device 105; Described detecting device 103 is provided with tensile force sensor, in order to measure pulling force, the acceleration information of described steel rope.
Velocity limiter test of the present invention still adopts above-mentioned TT&C system to carry out measuring and controlling, during test, described logic and administrative unit 81 are to described action control unit 84 sending controling instruction, control the described default counterweight 70 of its release, and control the preset speed values that described counterweight 70 is promoted to tested velocity limiter 107 mechanical action by described hoisting mechanism 102, simultaneously, steel rope clamps by described stretching device 105, the pulling force that described pulling force sensor records, is the tension force of the dynamic steel rope of described velocity limiter 107; Sensor in speed, pulling force sensor and proving installation 103 on described counterweight frame 106, measure the displacement of described counterweight frame 106, pulling force, speed and acceleration information, and above-mentioned institute measurement information is transferred in described logic and administrative unit 81 through data acquisition unit 83 carry out recording and processing; If counterweight frame 106 falls to bottom pylon, then described shock absorber 108 absorbs its drop energy.
The foregoing is only preferred embodiment of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that invention claim limits to it, amendment, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (9)
1. an ascending for elevator pilot system; it is characterized in that, it comprises a up pylon, a bont, a test rack, a counterweight frame, a TT&C system and velocity limiter test pylon, in order to test the up safety guard of elevator and velocity limiter; wherein
Described up pylon inside is hollow, in order to arrange each device of test, support body is provided with two groups of guide rails, is described test rack and counterweight frame guiding, described support body bottom is provided with a tested wire holder;
Described bont, it comprises a tested towing machine, and described bont accepts the control command of described TT&C system, controls described test rack and rises according to the characteristics of motion preset and decline;
Described test rack is provided with tested safety tongs, and it is under the effect of described bont, along described guide rail movement;
Described velocity limiter test pylon, it is arranged on the bottom of described up pylon, is provided with each device tested described velocity limiter;
Described TT&C system, its each device controlling described test is according to the program behavior preset, and the test data of tested safety tongs, towing machine, wire holder and velocity limiter is recorded and processed, and the mode of operation of each device of energy Real-Time Monitoring, and adjust by the state preset;
Described bont comprises:
One drives towing machine, it is arranged on bottom described up pylon, and when promoting described test rack, described driving towing machine and described tested towing machine associated working provide driving power, when testing described tested towing machine, described TT&C system stops the work of described driving towing machine;
One assembly pulley, it is distributed on described up pylon, test rack and counterweight frame, and described tested towing machine, driving towing machine, test rack and counterweight frame are serially connected by each pulley that a lifting rope walks around described assembly pulley;
One towing machine mount pad, it is arranged on bottom described up pylon, and in order to install described tested towing machine, described tested towing machine is connected with described test rack by the pulley that can adjust position in the horizontal direction.
2. ascending for elevator pilot system according to claim 1, is characterized in that, described velocity limiter test pylon is provided with: a hoisting mechanism, a counterweight releasing mechanism, a counterweight frame, a steel wire rope stretching device, wherein,
Described hoisting mechanism, it is arranged on described up pylon top, and it provides tractive force for described counterweight frame;
Described counterweight frame, is provided with speed sensor and pulling force sensor, and is mounted with counterweight;
Described steel wire rope tensioning mechanism, it is provided with a dilatory plate, described dilatory plate one end is connected with described counterweight, the other end is provided with the holes of vertical direction, the steel wire rope clip of described steel wire rope tensioning mechanism is connected with a hole of described dilatory plate, and the steel rope of described velocity limiter is connected through a pulling force sensor another hole with described dilatory plate.
3. ascending for elevator pilot system according to claim 1, it is characterized in that, described test rack comprises a trigger mechanism, it is installed on the bottom of described test rack, one end is connected with described tested safety tongs, described trigger mechanism accepts the control command of described TT&C system, triggers described safety tongs action.
4. ascending for elevator pilot system according to claim 3, is characterized in that, described counterweight frame and described test rack do the contrary motion in direction, is provided with a shock seat, a trigger mechanism, a lock dog, wherein,
Described lock dog is in order to lock the counterweight on described counterweight frame;
Described trigger mechanism, it is installed on the bottom of described counterweight frame, and one end is connected with described tested safety tongs, and described trigger mechanism accepts the control command of described TT&C system, triggers described safety tongs action.
5. ascending for elevator pilot system according to claim 1, is characterized in that, described ascending for elevator pilot system also comprises a counterweight handler, and described counterweight handler is the handler of three degree of freedom, and it comprises:
One telescoping mechanism, it realizes the handling of counterweight on test rack by the flexible of a telescopic girder, and described telescoping mechanism is driven by a screw-nut body, and described telescopic girder is connected on the nut of described screw-nut body, and described telescopic girder is also provided with a hanging box;
One counterweight hoisting mechanism, it is arranged in described hanging box, in the vertical direction moves, it is driven by a screw-nut body, the nut of described screw-nut body is provided with a pulley, described pulley walked around by a hoist cable, and described hoist cable one end is fixed, the other end connects a suspension hook, and described suspension hook directly clamps described counterweight;
One cross traveling trolley, it is arranged on described telescoping mechanism, and it does the cross motion vertical with described telescopic girder, and it drives a roller motion by a motor, and described roller and a transition carriage bridge joint touch, and described roller drives described traversing vehicle frame at transverse shifting.
6. ascending for elevator pilot system according to claim 1, is characterized in that, the column of described up pylon is also provided with a wire holder mount pad, is provided with described tested wire holder; When carrying out wire holder or safety tongs test, described tested towing machine one assembly pulley replaces, and drives towing machine to provide test required drive.
7. the ascending for elevator pilot system according to claim 3 or 4, is characterized in that, described trigger mechanism is an electronic trigger mechanism, and it comprises:
One push rod, it is directly connected with described safety tongs, triggers described safety tongs;
One yoke assembly, it receives the control of described TT&C system and energized action;
One spring, it is placed between described push rod and yoke assembly, in order to promote described push rod action.
8. the ascending for elevator pilot system according to claim 3 or 4, is characterized in that, described trigger mechanism is a mechanical trigger mechanism, and it comprises:
One driving lever, it is directly connected with described safety tongs, triggers described safety tongs;
One pivoted arm, it is arranged in a rotating shaft and with described axis of rotation, it drives described driving lever action, described pivoted arm and one is accompanied, and locking restricts is connected, and described retinue lock rope is connected with a velocity limiter, when arriving test speed, described velocity limiter action, triggers described safety tongs action.
9. the ascending for elevator pilot system according to the arbitrary claim of claim 1-6, it is characterized in that, described up pylon is formed by column and truss support, and it comprises more piece, often be provided with a workplatform between adjacent two joints, between operated adjacent platform, be provided with cat ladder.
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| CN103231959B (en) * | 2013-04-11 | 2015-07-08 | 中国特种设备检测研究院 | Permanent magnet eddy current linear braking system for elevator testing |
| CN104355211B (en) * | 2014-10-30 | 2016-01-13 | 王洋 | A kind of balance weight body had from tension |
| CN106814684B (en) * | 2017-01-05 | 2019-02-15 | 重庆长安新能源汽车科技有限公司 | Higher speed elevator control system based on PLC control |
| CN109029970B (en) * | 2018-10-29 | 2024-02-02 | 重庆市特种设备检测研究院 | Instantaneous safety tongs and linear buffer test bed |
| CN109292574A (en) * | 2018-12-07 | 2019-02-01 | 中联重科股份有限公司 | Method and device for controlling elevator electromechanical joint debugging and machine readable storage medium |
| CN109900506A (en) * | 2019-03-13 | 2019-06-18 | 中山职业技术学院 | A kind of bidirectional speed limiter and bidirectional safety tongs ganged test device |
| CN110514425B (en) * | 2019-09-03 | 2024-05-03 | 浙江双鸟机械有限公司 | Simulation test device of load limiting hoist |
| CN112374322A (en) * | 2020-11-27 | 2021-02-19 | 库珀（天津）科技有限公司 | A test jig for rail mounted equipment is experimental |
| CN113651204B (en) * | 2021-08-30 | 2022-10-11 | 浙江省特种设备科学研究院 | Method and device for detecting progressive safety tongs of elevator by no-load compensation method |
| CN117208468B (en) * | 2023-09-05 | 2024-04-09 | 大庆石油管理局有限公司 | Tower crane belt length adjusting method |
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