CN103196692B - A kind of releasing means of elevator test - Google Patents
A kind of releasing means of elevator test Download PDFInfo
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- CN103196692B CN103196692B CN201310124339.8A CN201310124339A CN103196692B CN 103196692 B CN103196692 B CN 103196692B CN 201310124339 A CN201310124339 A CN 201310124339A CN 103196692 B CN103196692 B CN 103196692B
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Abstract
The present invention relates to the releasing means of a kind of elevator test, its test stand discharged in elevator pilot system by a TT&C system controls, it comprises a release frame, it forms the main body of described releasing means, it also comprises: a trigger unit, its action by Electromagnetic Control of described TT&C system, and trigger described releasing means action; One linkage portion, the force transmission that described trigger unit action produces by its motion passing through a linkage is to described test stand; One card-tight part, itself and described linkage portion link, and it is directly connected with described test stand, in order to clamp and to discharge described test stand; Described trigger unit, linkage portion and card-tight part are arranged on the same side of described release frame, and described TT&C system controls all devices of elevator pilot system.The releasing means of elevator test of the present invention can realize safety, rapidly release test frame.
Description
Technical field
The present invention relates to a kind of releasing means, particularly relate to the releasing means of the release test frame of a kind of elevator test.
Background technology
In the safety test test macro of current elevator, the application of releasing means is little, in other field, and releasing means extensive application.
As Chinese patent ZL200420024952.9, disclose a kind of releasing device of glassfiber reinforced plastic full-closed life-seving, it is characterized in that it comprises casing, interlock uncoupling rigging, interlock plate mechanism, interlock pulling-out mechanism and hydrostatic release unit, described interlock uncoupling rigging comprises unhook handle, unhook Handle axis, unhook rocking arm and unhook pushing-pulling flexible shaft, unhook Handle axis is connected between casing left side plate, unhook handle apparatus is in unhook Handle axis axle head, be placed in outside casing, its end is connected with shifting block, unhook rocking arm is placed in casing, its one end is placed in unhook Handle axis, the other end is connected with unhook pushing-pulling flexible shaft, described interlock plate mechanism comprises interlock plate, jam plate axle and hydrostatic release unit pushing-pulling flexible shaft, jam plate axle is connected between casing left side plate, interlock plate is set in jam plate axle head, be placed in unhook handle homonymy, the pulling block of its one end and unhook handle end touches conjunction, the other end and hydrostatic release unit pushing-pulling flexible shaft hinged, hydrostatic release unit pushing-pulling flexible shaft is connected with hydrostatic release unit, described interlock pulling-out mechanism comprises handle of pulling pin, to pull pin Handle axis, to pull pin rocking arm and to pull pin pushing-pulling flexible shaft, Handle axis of pulling pin is connected between casing left side plate, taper knob of pulling pin is loaded on jam plate axle axle head, be placed in unhook handle homonymy, rocking arm of pulling pin is placed in casing, its one end is placed on pulls pin in Handle axis, the other end is connected with pushing-pulling flexible shaft of pulling pin.Realize the locking of interlock unhook handle by an external hydrostatic release unit in above-mentioned patent and open, its implementation procedure is comparatively complicated, not easily operation and controlling in comprehensive test macro.
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 the releasing means that a kind of elevator is tested, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the invention provides the releasing means of a kind of elevator test, its test stand discharged in elevator pilot system by a TT&C system controls, it comprises a release frame, and it forms the main body of described releasing means, and it also comprises:
One trigger unit, its action by Electromagnetic Control of described TT&C system, and trigger described releasing means action;
One linkage portion, the force transmission that described trigger unit action produces by its motion passing through a linkage is to described test stand;
One card-tight part, itself and described linkage portion link, and it is directly connected with described test stand, in order to clamp and to discharge described test stand;
Described trigger unit, linkage portion and card-tight part are arranged on the same side of described release frame, and described TT&C system controls all devices of elevator pilot system.
Preferably, described trigger unit, it comprises:
One electromagnet, it directly obtains dead electricity by the Electromagnetic Control of described TT&C system, produces action;
One push rod, it is installed in below described electromagnet, and it vertically moves up and down with the obtaining dead electricity of electromagnet.
Preferably, described linkage portion, it comprises a release rocking arm, and switches through rocking arm, a left lever, a right pull bar and a roller, wherein,
Described release rocking arm, it is articulated on described release frame, rotates around described release frame, itself and described push rod ends contact, when described trigger unit action, rotates by described push rod promotes;
Describedly switch through rocking arm, it is contacted with described release rocking arm by described roller, when discharging described test stand, described roller and described switch through sub rocker arm from;
Described left and right pull bar, it connects respectively at the described rocking arm that switches through, and when described releasing means action, described left and right pull bar rotates in the same direction around the described rocking arm that switches through.
Preferably, described card-tight part, it comprises a hook, and it is positioned at the both sides of described release frame in pairs, is connected respectively with described left and right pull bar, in order to directly to mount described test stand, the bottom of described hook is structure downward-sloping gradually from inside to outside, and when linking up with rotation, the spacing between itself and described release frame increases, form a landslide at the surface of contact of described test stand and hook, realize hightailing of test stand and hook.
Preferably, described release rocking arm, it has three external parts, wherein,
Its first external part directly contacts with described push rod end, drives whole release rocking arm to rotate;
Its second external part side is provided with a safety pin, in order to limit the motion of described release rocking arm, prevents misoperation, and this end opposite side is also provided with a back-moving spring, and the described spring other end is fixed on described release frame;
Its three-terminal link has described roller.
Preferably, described in switch through on rocking arm and be provided with three pivoting points, pivoting point in the middle of it, makes it rotate around self, and two, end pivoting point connects respectively at described left and right pull bar, is also provided with a recess, in order to hold described roller in its end.
Preferably, the guide frame interior side contacts in described release frame both sides and elevator pilot system, and moving along it, the both sides of described release frame are also respectively arranged with one protruding, in order to limit moving up and down of himself, play buffer action.
Preferably, described TT&C system comprises one and is arranged on height sensor on test stand, it measures the height of described releasing means and test stand in real time, and the logic transferred to by the elevation information recorded in TT&C system and administrative unit carry out analyzing and processing, described logic and administrative unit are according to trigger unit action described in the programmed control preset, and releasing means discharges described test stand.
Preferably, described height sensor gathers the elevation information of described releasing means and test stand according to described logic and the built-in preset program of administrative unit, and the time interval that described height sensor gathers its height with the rising of described releasing means reduces.
Preferably, the lower end of described release frame is provided with symmetrical recess, and the end of the inclination of itself and described hook forms the space of the hook bar of an accommodating described test stand.
Beneficial effect of the present invention is compared with the prior art: the releasing means of elevator test of the present invention is controlled to trigger by a TT&C system, easy and simple to handle; Interlock part in the present invention adopts a linkage, and be applied on symmetrically arranged hook by acting force by the triggering of a trigger unit, structure is simple; The increase that described hook utilizes the gap between release frame and the landslide structure himself had, realize hightailing between test stand and hook, and without the need to arranging independent supporting construction on hook; Safety pin in the present invention only could control by TT&C system the operation carrying out release test frame after taking out, and adopts safety pin and electromagnetism two kinds of locking actions of different nature, avoids the accident of test stand to discharge.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the descending pylon agent structure of elevator pilot system in 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 releasing means of the descending pilot system of elevator of the present invention face structural representation;
Fig. 5 a be the test stand 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 one-piece construction 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 snubber assembly 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 supervisory system principle schematic of the redundant system of elevator pilot system of the present invention;
The time interval that Figure 10 is height sensor acquisition detecting information of the present invention and high-level schematic;
Figure 11 is acceleration and the time interval schematic diagram of the sensor acquisition detecting information of elevator pilot system of the present invention;
Figure 12 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 13 be the counterweight frame of the up pilot system of the present invention face structural representation;
Figure 14 is the acquisition time interval of sensor of the present invention and the curve synoptic diagram of speed;
Figure 15 is the schematic diagram of the component devices of limiter of speed pilot system of the present invention.
Embodiment
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 feature of elevator, up pylon is tested protection device for over-speed ascending for elevator and limiter of speed, and the testing experiment of various device shares a TT&C system; Described descending safety feature comprises descending safety tongs and snubber assembly, and described protection device for over-speed ascending comprises traction machine, rope brake 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 elevator pilot system in 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 central space is in order to arrange various test unit of the present invention and test stand; Pylon top is provided with entablature 12, described entablature 12 is provided with the lifting gear in the present invention; Bottom column 15, be provided with two square grade beams 112, this grade beam 112 is connected with the foot bolt of tower foundation, is fixed by main truss.
Described pylon is made up of more piece, at pylon, a workbench 13 and lighting device are set every about 5m, described workbench 13 is made up of floor, stainless steel railing and bearing diagonal, a cat ladder 16 is provided with between operated adjacent platform 13, pass through up and down with for operating personnel, described workbench 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 stand being respectively different model provides orbit; In order to meet the test of multiple test stand, guide rail 19 in the present invention can be changed, often save guide rail between above-mentioned adjacent workbench 13, described rail mounting bracket 17 is corresponding with the position of described workbench 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 lifting gear 2, guide frame 3, releasing means 4, test stand 5, snubber assembly 6, counterweight charging crane, building hoist, safety tongs trigger mechanism and electric-control system etc., for safety tongs drop shutter test and bumper tests; Wherein, described lifting gear 2 is arranged on the top of described pylon, it promotes, fall described guide frame 3, below described guide frame 3, described releasing means 4 is installed, described guide frame 3 is the rising of described releasing means 4 and the guiding that declines, and be provided with described test stand 5 below described releasing means 4, the downside of described test stand 5 is provided with detected safety tongs, described snubber assembly 6 is placed in bottom pylon, causes damage to prevent test stand 5 accidental falling to testing equipment and neighbouring building.
Please continue shown in composition graphs 2, described lifting gear 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 entablature 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 stand 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, can to-and-fro movement on described guide rail 19 by described boots of leading, described electric block 21 provides tractive force for it; Described guide frame 3 lower end is connected with described releasing means 4, described guide frame 3 play the guiding role to described releasing means 4, simultaneously when described releasing means 4 discharges described test stand 5, bear a reacting force, it also has the effect of stablizing described releasing means 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, coupling shaft of lateral threaded holes through described threaded hole, described guide frame 3 is mounted by this coupling 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 stand 5 upper end.
Refer to shown in Fig. 4, its be the releasing means of the descending pilot system of elevator of the present invention face structural representation, described releasing means 4 comprises a release frame 43, and it forms the main body of described releasing means; The both sides of described release frame 43 and described guide frame 3 interior side contacts, and move along it, upper end, both sides is also established and is equipped with a projection respectively, in order to limit moving up and down of himself, plays buffer action; Also comprise a trigger unit, make described releasing means action in order to accept the control of following TT&C system, in the present embodiment, it is an electromagnet 41, and it directly obtains dead electricity by the Electromagnetic Control of described TT&C system, produces action; One push rod 42, it is installed in below described electromagnet, can vertically move up and down together with electromagnet; One linkage portion, the force transmission that trigger unit action produces by its motion passing through a linkage is to described test stand, and 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, itself and described linkage portion link, and it is directly connected with described test stand, and in order to clamp and to discharge described test stand 5, 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 stand 5; Described trigger unit, linkage portion and card-tight part are arranged on the same side of described release frame, in addition described releasing means 4 controls by above-mentioned TT&C system, it comprises one and is arranged on height sensor on described test stand 5, it is by the metrical information of described height sensor, control the action of described trigger unit, and then control the motion of described linkage portion and card-tight part, in order to discharge or to clamp described test stand 5.
Wherein, described release Rocker arm 47, it is articulated on described release frame 43, rotates around it, in the present embodiment, it has three external parts, the ends contact of its first 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 the second 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, for the safety interlocking between test stand 5 and hook 44, this safety interlock can with manual operation or with power operation, at this end of described release Rocker arm 47, be also 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, and described roller 471 contacts with described switching Rocker arm 46, and when discharging described test stand 5, described roller 471 separates with described switching Rocker arm 46.
Described Rocker arm 46 one end of switching through is provided with a recess, and in order to hold described roller 471, when described releasing means 4 is in locking state, described roller 471 is placed in described recess; Described switching through on Rocker arm 46 is also provided with three pivoting points, a pivoting point in the middle of it, make himself to rotate around described release frame 43, another two pivoting points are connected with described left lever 45 and right pull bar 48 respectively, and two pull bars can rotate in the same direction around the described Rocker arm 46 that switches through.
When described roller 471 with described switch through Rocker arm 46 be separated time, the described Rocker arm 46 that switches through turns clockwise, described left and right pull bar promotes to be attached thereto two hooks 44 connect respectively, left side suspension hook is rotated counterclockwise, right side hook turns clockwise, produce a larger spacing between the end of described suspension hook and described release frame 43, the hook bar of described test stand 5 is separated with described hook 44, and described test stand 5 falls; When described hook 44 rotates, test stand 5 comes off from described hook automatically, the bottom of described hook 44 is structure downward-sloping gradually from inside to outside, when hook 44 rotates, spacing between hook 44 and release frame 43 is enough large, and test stand 5 is a landslide with the surface of contact of hook 44, test stand 5 departs from hook rapidly, the lower end of corresponding described release frame 43 is provided with symmetrical recess, and the end in order to the inclination with described hook 44 forms the space of the hook bar of an accommodating described test stand 5.
Described releasing means 4 is by the control of described TT&C system, when on-test, described hook 44 clamps the hook bar 51 of described test stand 5, when described test stand 5 is risen to predetermined altitude by above-mentioned lifting gear 1, after extracting described safety pin 40, described TT&C system controls described electromagnet 41 and changes to obtain electricity condition, then releasing means 4 discharges described test stand 5.
The hook of the releasing means in the present invention is not arranged the supporting construction of independent test stand mounting, but rely on the spacing between hook and release frame to carry out locking and discharge, release test frame timely can be ensured, meet testing requirements; And there are safety pin and electromagnetism two kinds of locking actions of different nature, avoid the accident of test stand to discharge.
Refer to shown in Fig. 5 a, its be the test stand of elevator pilot system of the present invention face structural representation, described test stand 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 stand 5 is supported by head tree 53 and forms, and described test stand 5 relies on described head tree 53 to move up and down along described guide rail 19; The middle part of described test stand 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 stand 5 and one insures safety tongs and is connected, and the trigger mechanism of bottom is connected with tested safety tongs; Described test stand bottom is also provided with a shock seat 55, in order to clash into described snubber assembly 6, during test, discharge described test stand 5, when it arrives predetermined speed, described tested safety tongs action, described test stand 5 is clamped on described guide rail 19, makes the stop motion of described test stand 5, if described tested safety tongs lost efficacy, then described insurance safety tongs action, moves to limit described test stand 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 stand 5 and is connected; At the trial, when described test stand 5 is transferred and is reached predetermined speed, limiter of speed 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 one-piece construction 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 stand 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 stand 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 stretching motion of itself and described telescoping mechanism 72 is perpendicular, its translation motion 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 an extensible canopy 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 driving member by a belt pulley 723 by described motor 725, in the present embodiment, described driving member 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 extensible canopy 726, described extensible canopy 726 moves in the horizontal direction with described nut 721, described extensible canopy 726 is fixed with a hanging box 728, described hoisting mechanism 72 is fixed in described hanging box 728, the stretching motion of described extensible canopy 726 drives described hoisting mechanism 72 to move together, realize the comparatively wide working range of described counterweight charging crane.
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 set 713 is connected with motor shaft, and a ball screw framework, described leading screw 714 rotates, described nut 715 transverse shifting, one travelling block 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 711 comprises connecting rod and clamp 712, described clamp 712 clamps described counterweight 70, it is also provided with handle, in order to manual operation, 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 driving-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 732 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 snubber assembly face structural representation, it comprises upset movable platform 63, hydraulic jack 62 and an impact damper 61 split, described snubber assembly 6 is arranged in the pit below column 15, described impact damper 61 is placed in below described upset movable platform 63, there is backing plate between the two, the ground below described impact damper 61 is also provided with backing plate; Described hydraulic jack 62 is respectively arranged with, for overturning movable platform 63 described in jack-up below described upset movable platform 63; When carrying out bumper tests, worktable can lock by described upset movable platform 63, and when preventing the shock seat 55 on described test stand 5 from clashing into, impact damper 61 tilts and affects test effect; When carrying out safety tongs test; described hydraulic jack 62 by described movable overturn platform 63 by horizontal position top set to vertical position; expose described impact damper 61; get out of the way safety tongs pilot passageway; and vertical movable overturn platform 63 doublely can do protective baffle plate; when avalanche occurring, splashing, play the effect of part protection.
In the present embodiment, test tower impact damper has an oily gas formula impact damper, it is for the large test stand of descending pylon, a described oily gas formula impact damper has the highest efficiency and best energy absorption capability, 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 stand impact energy.
The impact damper of descending pylon small test frame comprises an oily gas formula impact damper and permanent magnet linear eddy current brake systems, wherein said permanent magnet linear eddy current brake systems, magnet on it is arranged on test stand, braking guide rail and inductor are as the motion guide rail of described test stand, 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 damping force, described test stand is braked.
In the present invention, also comprise a triplex redundance redundant computation machine observe and control system, in order to measure the standby kinematic parameter of described tested test in real time, and control the course of work of described 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 TT&C system, it comprises a logic and administrative unit 81, one real-time controlling unit 82, one data acquisition unit 83 and an action control unit 84, wherein, described logic and administrative unit 82, be stored with the test procedure of each device being tested, in order to data analysis and the process of each device being tested to three kinds of data channel transmission, the system failure is diagnosed and processes, and carry out communication with described action control unit 84 and control whole system action, realize the man-machine interaction of system, data interaction is carried out with the external world, described data acquisition unit 83, its displacement in order to the related device by the sensor collection be arranged on each device being tested, speed, acceleration and tension information transfer to described logic and administrative unit 81, 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 82, 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, 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 pilot system, controls described safety tongs action under the invention, safety tongs triggers and releasing means 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 switch board and circuit board; 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 actuating unit of the descending pilot system of described elevator, up pilot system and limiter of speed test, and the corresponding displacement of the measured pieces such as real-time measurement described safety tongs, snubber assembly, test stand, tested traction machine, rope brake and limiter of speed, speed, acceleration and tension data, and carry out data analysis and process; Therefore control system is divided into many levels, ground floor is administration and supervision authorities, i.e. logic and administrative unit 81 and implement control module 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 transducer, 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 transducer, 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 of test stand.
Described laser sensor, it is arranged on the guide rail that described test stand 5 slides, it is a speed pickup, in order to gather displacement and the rate signal of described test stand 5, it to be connected with administrative unit 81 by the interface of standard configuration and above-mentioned industrial computer and logic and to communicate, the displacement information of described test stand 5 is transferred in described industrial computer and processes, calculate the acceleration of described test stand 5 in real time.
Described rotary encoder, it is connected with described drive motor and action control unit 84, and it gathers the corner information of described motor and transfers to described logic and administrative unit 81, in order to calculate displacement and the speed of described test stand 5 in real time.
Described accelerometer, it is an acceleration transducer, and it is arranged on described test stand 5, moves together with described test stand 5, and the acceleration information of test stand 5 is transferred to described logic and administrative unit 81 processes.
Triplex redundance redundant computation machine observe and control system of the present invention, monitoring is compared in employing and the monitor mode combined monitored certainly by sensor, primary fault detects to adopt and realizes from monitoring and comparing the mode monitoring combination, and secondary failure and three fault detects 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 supervisory 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 CPU (central processing unit) a2 process in the data information transfer of its correspondence to each administrative unit 81 of described logic, the input information of three data channel compares by described CPU (central processing unit) a2 between two, the situation exceeding specified thresholds according to its difference judges the passage broken down, information as three kinds of data channel is respectively A, B, C, if described CPU (central processing unit) a2 judges | A-B| and | the value of A-C| all exceedes threshold value, then can judge that the data channel carrying A information breaks down, described each CPU (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, CPU (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: processor Autonomous test, and storer stores check sum, A/D ALT-CH alternate 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, storer, 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 electric fault.
Now in conjunction with above-mentioned TT&C system and each test unit, 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 lifting gear 2; Described test stand 5, guide frame 3 are thereunder; Tower height can meet the distance requirement of the safety tongs action of test rated speed.
When carrying out safety tongs drop shutter test, described action control unit 84 controls described lifting gear, makes it be in the height of described counterweight handler, controls described counterweight handler and places the counterweight preset to described test stand 5, and rise to top; Described action control unit 84 controls the fixed position that described dolly 22 moves to described pylon, described test stand 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 releasing means 4, by described test stand 5 from its hook 44 release, described test stand 5 freely falls.
For ensureing that described releasing means 4 can in the landing of suitable height, described test stand 5 is provided with described height sensor, the height of the described test stand 5 of real-time measurement and releasing means 4, it carries out data acquisition according to the program preset in the logic in TT&C system and administrative unit 81, refer to shown in Figure 10, its time interval for height sensor acquisition detecting information of the present invention and high-level schematic
Above-mentioned formula (1) represents the time interval of sensor obtaining information of the present invention and the funtcional relationship of acceleration, wherein, t represents that sensor obtains the time interval of the movable information of test stand 5, h represents the real-time height of described test stand, k represents the inherent parameters of sensor, and m represents the general assembly (TW) of test stand 5; B, h
1and h
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 stand 5, and 0 < b < 1; T is certain value.
Known from above-mentioned accompanying drawing and table (1), when the height of described test stand 5 is lower, the time interval of described height sensor obtaining information is longer, when closing on described default release altitude, the time interval of described height sensor obtaining information shortens, be provided with like this and be beneficial to saving program resource, reduce the workload of TT&C system, the measuring accuracy in release moment can be met again simultaneously.
When test stand 5 reaches rated speed, on described test stand 5 accelerometer, the displacement that rotary encoder on motor and the sensor on guide rail will gather respectively, acceleration and velocity information transfer to described logic and administrative unit 81 by data acquisition unit 83, 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 parameter of safety tongs respectively automatically by above-mentioned three kinds of metering systems, 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 stand 5 drops to h1 height, when reaching the maximum test speed of its permission, tested safety tongs action, described test stand 5 continues to drop to h2 height by predetermined detecting distance, in the case, described test stand 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 stand 5 falls to h2 height, if described TT&C system finds tested safety tongs partial failure, described test stand 5 continues fall and do not take urgent measure, when test stand 5 falls to h4 height, described test stand 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 stand, if when arriving ground, described test 5 does not stop, then absorb remaining kinetic energy by described snubber assembly;
When described test stand 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 steering order to described action control unit 84, control the insurance safety tongs action in the middle part of described test stand 3, and control described permanent magnet braking system acting; If described insurance safety tongs also lost efficacy simultaneously, described test stand 5 continued to fall, and when falling to height h4, described kinetic energy is then absorbed by above-mentioned permanent magnet braking system and snubber assembly.
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 stand acceleration information measured in real time is transferred to described logic and administrative unit 81 by described data acquisition unit 83 by the acceleration transducer on described test stand 5, when above-mentioned height h1, described logic and administrative unit 81 calculate the accekeration of described test stand, and compare with the acceleration range of the inefficacy pre-set and partial failure, judge its scope fallen into, and then send different steering orders to described action control unit 84.
Work as a=a
1time, described safety tongs is in normal operating conditions;
Work as a
2< a < a
1time, described safety tongs is in partial failure state, and described in this process, the braking distance of test stand 5 is very long;
As a≤a
2time, described safety tongs is in failure state;
Wherein, described a represents the acceleration 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 stand 5.
In the process of the test of the described safety tongs of test, acceleration transducer on described test stand 5 and the laser sensor on guide rail, need to evaluate the braking ability of described safety tongs, wherein, of paramount importance parameter is displacement to described test stand 5, speed, acceleration information are measured and acquisition process, for this reason, described logic and administrative unit 81 control according to the time interval of different tests situation to the Information Monitoring of described each sensor, to control measuring accuracy.Refer to shown in Figure 11, its acceleration for sensor acquisition detecting information of the present invention and time interval schematic diagram, when the acceleration a of described test stand 5 is lower, when described safety tongs is in inefficacy or partial failure state, described sensor reduces with the time interval t of the increase obtaining information of acceleration a, when described safety tongs normally works, the time interval t of its obtaining information is certain value.
Above-mentioned formula (2) represents the time interval of sensor obtaining information of the present invention and the funtcional relationship of acceleration, wherein, t represents that sensor obtains the time interval of the movable information of test stand 5, and k represents the inherent parameters of sensor, and m represents the general assembly (TW) of test stand 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 stand 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 functional relation of the above-mentioned time interval and acceleration is equally applicable to the test of the traction machine of following ascending for elevator pilot system, and described logic and administrative unit 81 control tested traction machine and test according to above-mentioned relation.
The bumper tests process of described descending pilot system is as described below.
When testing, described logic and administrative unit 81 send a steering order to described action control unit 84, described hydraulic jack 62 bounces back, and drives described upset movable platform 63 to turn to horizontal level, and described impact damper 61 is placed in below described upset movable platform 63, described logic manage and control module 81 according to the requirement of described test stand 5 stroke speed to described action control unit 84 sending controling instruction, described test stand 5 is risen to predetermined altitude by described electric block 21, and trigger the trigger unit action of described releasing means 4, described test stand 5 discharges by described releasing means 4, make its free-falling, clash into described snubber assembly 6, in this knockout process, its stroke measured automatically by the sensor that described snubber assembly 6 is arranged, speed, the measurement parameters such as acceleration, 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 stand, counterweight, counterweight handler, snubber assembly, lifting gear and electric-control system etc.; it is tested for protection device for over-speed ascending, comprises the test of traction machine brake, rope brake 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 test unit, 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 12, 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 lifting gear comprises the driving traction machine 91 being arranged on tower top, pulley blocks 92, be arranged on tested traction machine 96 and the electromagnetic clutch of pylon bottom, described pylon bottom is provided with traction machine mount pad 97, described tested traction machine 96 is arranged on described traction machine mounting platform 97, described tested traction machine 96 is connected with a test stand 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 traction machine 91, in order to provide power with the associated working of tested traction unit 96, rapidly test stand 94 speed uplink is risen to test speed, saves the acceleration distance of test stand; When reaching speed needed for test, described logic and administrative unit 81 drive described action control unit 84 that described driving traction machine 91 is quit work, be separated from described up pilot system by described driving traction machine 91, then can test the braking ability of tested traction machine.
Described pylon column is also installed a rope brake mount pad 95, is provided with rope brake; Described test stand 94 is provided with up safety tongs; Described test stand 94 is provided with pulley, described lifting gear is promoted by pulley, described test stand 94 is also provided with safety tongs trigger mechanism, it comprise machinery trigger and electricity trigger, its structure and worked biography identical with the flip flop equipment of above-mentioned descending pilot system; Be provided with snubber assembly bottom described test stand 94, during in order to ensure that described test stand 94 surprisingly falls, reduce the impact to pylon and ground.
Refer to shown in Figure 13, its be the counterweight frame of the up pilot system of the present invention face structural representation, its structure is similar to described test stand 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 direction of motion of described test stand 94, and the safety tongs trigger mechanism 942 on it is controlled by preset order by described electric control gear; Counterweight handler in process of the test, electric control gear 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.
Traction 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 stand 94 and described counterweight frame 93, load counterweight according to the test weight preset, after weight sensor on described test stand 94 detects the weight on described test stand 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 procedure arranged in it to described action control unit 84 sending controling instruction, described action control unit 84 drives described driving traction machine 91 and tested traction machine 96 action, under the effect of described counterweight frame 93, rapidly described test stand 94 is risen to test speed, be arranged on the speed pickup on described test stand 94, laser sensor on guide rail, after rotary encoder on motor detects the pre-set velocity of described test stand 94, by this information transmission to described logic and administrative unit 81, described logic and administrative unit 81 send steering order, the electromagnetic clutch of traction machine 91 is driven to disconnect, and cut off the power supply of tested traction machine 96, described logic and administrative unit 81 control the detent of closed tested traction machine 96, described TT&C system is by being arranged on the accelerometer on described test stand 94, rotary encoder on weight sensor and motor, the metrical information of the laser sensor on the guide rail of test stand 94 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 traction machine and tested traction machine to combine driving, test failure or meet accident cause the retarded velocity of test stand too low or cannot up deceleration time, described TT&C system recloses and drives traction machine 91, utilize and drive traction machine 91 and up safety tongs brake hard, the travelling speed of the described counterweight frame 93 of rapid reduction, finally by the snubber assembly 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 interval of the Information Monitoring of described sensor, refer to shown in Figure 14, 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 stand 94 is larger, and the time interval is less, and the data message gathered in the same time is more accurate; Shown in formula (3), it is the relation function expression formula of the sensor Information Monitoring time interval of the present invention and speed;
Wherein, t represents that sensor obtains the time interval of the movable information of test stand 94, and v represents the speed of test stand, m represents the gross mass of test stand 94,0 < a < 1, determined by test stand 94 and sensor, k represents the inherent parameters of sensor.
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.
Rope brake is tested with up safety tongs: this test unit is identical with the test unit of traction machine limiter of speed, only described tested traction machine pulley blocks 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 traction machine 91 according to the test procedure preset in it and work, rapidly test stand speed uplink is risen to test speed, afterwards, the up safety tongs controlling closed described tested rope brake or trigger on described test stand 94, described TT&C system measures the parameter of described tested rope brake 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 stand 94 and counterweight frame 93 by respective track installation, are provided with between bottom both and compensate rope, for compensating the weight change of wire rope group in up pylon; Tested traction machine 96, driving traction machine 91, test stand 94 are connected by wire rope, pulley blocks with counterweight frame 93; Test stand 94 and counterweight frame 93 are along respective orbital motion, test stand 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 stand 94 described in stop and counterweight frame 93, prevent accident.
Can also test limiter of speed in the present invention, device and the process of described limiter of speed test are as described below.
Refer to shown in Figure 15, the schematic diagram of its component devices being limiter of speed pilot system of the present invention, described limiter of speed pilot system is attached to the bottom in the steel construction of described up pylon, and it comprises hoisting mechanism 102, counterweight releasing mechanism 104, counterweight frame 106, pick-up unit 103, steel wire rope tensioning mechanism 105, snubber assembly 108, guide rail and tested limiter of speed 107; Described tested limiter of speed 107 is positioned at described pylon bottom, the angle sheave 101 on the platform of pylon upper end walked around by wire rope, 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 coupling, lifting and unhook to counterweight 70, the releasing means in itself and above-mentioned descending pilot system is similar, which is provided with electromagnetism trigger unit and hook, after the steering order accepting described TT&C system, start action; Described counterweight 70 is loaded in described counterweight frame 106, described counterweight frame 106 is equivalent to above-mentioned test stand, described counterweight frame 106 upper and lower side is connected with wire rope, it is at the trial along described guide rail movement, be provided with pulling force sensor and speed pickup, in order to acceleration and the velocity information of counterweight frame 106 described in Real-time Obtaining; Described counterweight frame 106 is arranged with snubber assembly 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 wire rope; Described pick-up unit 103 is provided with tensile force sensor, in order to measure pulling force, the acceleration information of described wire rope.
Limiter of speed 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 described hoisting mechanism 102 and described counterweight frame 106 is promoted to predetermined altitude, and discharge, the action of described counterweight frame 106, when arriving predetermined speed, the action of described tested limiter of speed 107, simultaneously, accelerometer on described counterweight frame 106, sensor in pulling force sensor and proving installation 103, rotary encoder on drive motor, measure the displacement of described wire rope and counterweight frame 106, pulling force, speed and acceleration information, and this 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 snubber assembly 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. a releasing means for elevator test, is characterized in that, its test stand discharged in elevator pilot system by a TT&C system controls, and it comprises a release frame, and it forms the main body of described releasing means, and it also comprises:
One trigger unit, its action by Electromagnetic Control of described TT&C system, and trigger described releasing means action;
One linkage portion, the force transmission that described trigger unit action produces by its motion passing through a linkage is to described test stand;
One card-tight part, itself and described linkage portion link, and it is directly connected with described test stand, in order to clamp and to discharge described test stand;
Described trigger unit, linkage portion and card-tight part are arranged on the same side of described release frame, and described TT&C system controls all devices of elevator pilot system;
Described linkage portion, it comprises a release rocking arm, and switches through rocking arm, a left lever, a right pull bar and a roller, wherein,
Described release rocking arm, it is articulated on described release frame, rotates around described release frame, itself and push rod ends contact, when described trigger unit action, rotates by described push rod promotes;
Describedly switch through rocking arm, it is contacted with described release rocking arm by described roller, when discharging described test stand, described roller and described switch through sub rocker arm from;
Described left and right pull bar, it is connected with the described rocking arm that switches through respectively, and when described releasing means action, described left and right pull bar rotates in the same direction around the described rocking arm that switches through.
2. the releasing means of elevator test according to claim 1, it is characterized in that, described trigger unit, it comprises:
One electromagnet, it directly obtains dead electricity by the Electromagnetic Control of described TT&C system, produces action;
One push rod, it is installed in below described electromagnet, and it vertically moves up and down with the obtaining dead electricity of electromagnet.
3. the releasing means of elevator test according to claim 1, it is characterized in that, described card-tight part, it comprises a hook, it is positioned at the both sides of described release frame in pairs, be connected with described left and right pull bar respectively, in order to directly to mount described test stand, the bottom of described hook is structure downward-sloping gradually from inside to outside, when linking up with rotation, spacing between itself and described release frame increases, and forms a landslide at the surface of contact of described test stand and hook, realizes hightailing of test stand and hook.
4. the releasing means of elevator test according to claim 1, it is characterized in that, described release rocking arm, it has three external parts, wherein,
Its first external part directly contacts with described push rod end, drives whole release rocking arm to rotate;
Its second external part side is provided with a safety pin, in order to limit the motion of described release rocking arm, prevents misoperation, when discharging described test stand, extract this safety pin, this end opposite side is also provided with a back-moving spring, and the described spring other end is fixed on described release frame;
Its three-terminal link has described roller.
5. the releasing means of the elevator test according to claim 1 or 4, it is characterized in that, described switching through on rocking arm is provided with three pivoting points, a pivoting point in the middle of it, it is made to rotate around self, two, its end pivoting point connects respectively at described left and right pull bar, is also provided with a recess, in order to hold described roller in its end.
6. the releasing means of the elevator test according to the arbitrary claim of claim 1-4, it is characterized in that, guide frame interior side contacts in described release frame both sides and elevator pilot system, and move along it, the both sides of described release frame are also respectively arranged with a projection, in order to limit moving up and down of himself, play buffer action.
7. the releasing means of elevator test according to claim 1, it is characterized in that, described TT&C system comprises one and is arranged on height sensor on test stand, it measures the height of described releasing means and test stand in real time, and the logic transferred to by the elevation information recorded in TT&C system and administrative unit carry out analyzing and processing, described logic and administrative unit are according to trigger unit action described in the programmed control preset, and releasing means discharges described test stand.
8. the releasing means of elevator test according to claim 7, it is characterized in that, described height sensor gathers the elevation information of described releasing means and test stand according to described logic and the built-in preset program of administrative unit, and the time interval that described height sensor gathers its height with the rising of described releasing means reduces.
9. the releasing means of elevator according to claim 3 test, is characterized in that, the lower end of described release frame is provided with symmetrical recess, and the end of the inclination of itself and described hook forms the space of the hook bar of an accommodating described test stand.
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| CN104807659B (en) * | 2015-04-04 | 2018-05-04 | 锦州市特种设备监督检验所 | Threaded self-locking Quick release device |
| CN113567099B (en) * | 2021-07-13 | 2023-09-08 | 江苏省特种设备安全监督检验研究院 | Dynamic simulation test system and test method for anti-falling device of lifting protection platform |
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| CN101409131A (en) * | 2008-07-24 | 2009-04-15 | 蒂森克虏伯电梯（上海）有限公司 | Electro-magnet manual release apparatus for brake |
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| CN102680198A (en) * | 2012-05-14 | 2012-09-19 | 杭州沪宁电梯配件有限公司 | Elevator buffer testing equipment |
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| FI120303B (en) * | 2005-06-23 | 2009-09-15 | Kone Corp | Method and apparatus for triggering a captive device in an elevator |
| JP2012232814A (en) * | 2011-04-28 | 2012-11-29 | Hitachi Ltd | Brake release device and elevator |
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| CN2677291Y (en) * | 2004-02-26 | 2005-02-09 | 江阴新江玻璃钢有限公司 | Releasing device of glassfiber reinforced plastic full-closed life-seving boat |
| CN101409131A (en) * | 2008-07-24 | 2009-04-15 | 蒂森克虏伯电梯（上海）有限公司 | Electro-magnet manual release apparatus for brake |
| CN102147323A (en) * | 2010-02-04 | 2011-08-10 | 中华人民共和国上海出入境检验检疫局 | Package part dropping tester |
| CN102680198A (en) * | 2012-05-14 | 2012-09-19 | 杭州沪宁电梯配件有限公司 | Elevator buffer testing equipment |
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