CN205151430U - Instantaneous kinetic energy measuring device of lift -cabin door - Google Patents
Instantaneous kinetic energy measuring device of lift -cabin door Download PDFInfo
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- CN205151430U CN205151430U CN201521011453.0U CN201521011453U CN205151430U CN 205151430 U CN205151430 U CN 205151430U CN 201521011453 U CN201521011453 U CN 201521011453U CN 205151430 U CN205151430 U CN 205151430U
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Abstract
The utility model discloses an instantaneous kinetic energy measuring device of lift -cabin door, characterized by set up the sleeve and are little internal diameter chamber at the anterior segment, are big internal diameter chamber at the back end, it sets up discoid cylinder base as telescopic back cover to fix in the bottom in big internal diameter chamber, place the spring in big internal diameter chamber, be provided with linear bearing in little internal diameter chamber, the lance supporting in linear bearing and can be in linear bearing along endwise slip, the tail end of lance is connected with the top of spring, protruding the stretching in telescopic outside and fixed connection end plate of front end of lance, be connected with the cushion in the bottom of spring, set up pressure sensor between cushion and discoid barrel casing to pressure sensor's output signal is as instantaneous kinetic energy measuring device's detected signal. Utilize the utility model discloses and cooperation door leaf speed measurement, the kinetic energy of can realizing closing the door under the average closing speed of elevator automatic door detects.
Description
Technical field
The utility model relates to a kind of elevator door instantaneous kinetic energy measurement mechanism, is more particularly for coordinating the elevator door instantaneous kinetic energy measurement mechanism realizing Automatic door of elevator dynamic security performance and detect.
Background technology
Automatic door of elevator kinetic energy at closing time and passenger's boarding safety closely related, cross safety when conference directly threatens passenger to pass in and out car, easily cause when anti-collision protection device lost efficacy and wound.GB GB7588-2003 " elevator manufacture and installation safety standard " 7.5.2.1.1.2 article specifies, " kinetic energy of layer door and rigidly connected mechanical part thereof; the observed reading under average door closing speed or computing value should not be greater than 10J ", 8.7.2.1.1.2 article of regulation " kinetic energy of gate and rigidly connected mechanical component thereof, measures under average door closing speed or computing value should not be greater than 10J ".
In prior art, for the checking apparatus that kinetic energy of closing the door is special, making to close the door kinetic energy cannot by detecting directly acquisition.Give a kind of method of inspection of reference in GB7588-2003, refer to: can adopt a kind of device during measurement, this device comprises a piston with a scale.It acts on a spring constant is on the spring of 25N/mm, and an annulus easily slided is housed, to measure the limit of sports record point clashing into moment.By the scale value that gained limit point is corresponding, easily kinetic energy values can be calculated.Visible, this method utilizes spring slam door leaf, and the kinetic transformation of closing the door of door leaf before shock is become the elastic potential energy of spring, and calculate the elastic potential energy after clashing into, go out to close the door kinetic energy in prediction on such basis.
According to kinetic energy theory, door leaf and rigidly connected mechanical component thereof are when quality is certain, and kinetic energy of closing the door changes along with door closing speed.Because door leaf door closing speed is not constant, curve of closing the door also has multiple, door leaf door closing procedure medium velocity rangeability is very large, corresponding kinetic energy difference amplitude of closing the door is then larger, in employing said method is tested, the door closing speed clashing into the moment can not determine that it is average velociity after tested, obtained be clash into the moment door closing speed under kinetic energy of closing the door, i.e. instantaneous kinetic energy, measurement mechanism is actual is instantaneous kinetic energy measurement mechanism, visible the method can not meet the test request about kinetic energy of closing the door " observed reading under average door closing speed or computing value " in GB7588-2003.
GB7588-2003 7.5.2.1.1.2 article and 8.7.2.1.1.2 article, is required of the kinetic energy of door leaf and rigidly connected mechanical part thereof, and requires it is the observed reading under average door closing speed or computing value.If utilize kinetic energy formula directly to calculate, even if record average velociity v, the quality m of door leaf and rigidly connected mechanical part thereof also inconvenience records, elevator dispatches from the factory and may have the quality of elevator door fan in data, but generally do not have the quality of door leaf and rigidly connected mechanical part thereof, more can not mark on nameplate, also elevator originating firm provides this quality not have relevant criterion to require at present, and this device is mainly used at the safety verification with elevator, the data that non-nameplate indicates not easily obtain.If utilize similar above-mentioned instantaneous kinetic energy measurement mechanism to test, when being also difficult to ensure test, door leaf running velocity is average velociity, and the kinetic energy so recorded neither kinetic energy on average under door closing speed.In GB/T10059-2009 " elevator test method " and GB/T10060-2011 " elevator code for erection and inspection ", do not provide the test method of kinetic energy of closing the door, this makes the actual detection for kinetic energy of closing the door under the average door closing speed of Automatic door of elevator be difficult to accurate enforcement.
Utility model content
The utility model is the deficiency for avoiding existing for above-mentioned prior art, provides a kind of elevator door instantaneous kinetic energy measurement mechanism, and to coordinating door leaf velocity measurement, kinetic energy of closing the door under realizing the average door closing speed of Automatic door of elevator detects.
The utility model is that technical solution problem adopts following technical scheme:
In the utility model, the constructional feature of elevator door instantaneous kinetic energy measurement mechanism is:
Arranging sleeve at leading portion is little internal diameter chamber, is large diameter chamber at back segment; The back cover of discoid cylinder base as sleeve is fixedly installed in the bottom in described large diameter chamber;
Spring is placed in described large diameter chamber, linear bearing is provided with in described little internal diameter chamber, lance is bearing in described linear bearing and also can slides axially in linear bearing, and the tail end of lance is connected with the top of spring, and the front end of lance convexedly stretches in the outside of sleeve and is fixedly connected with end plate;
Be connected with cushion block in the bottom of described spring, pressure sensor is set between cushion block and discoid jacket casing, the detection signal using the output signal of described pressure sensor as instantaneous kinetic energy measurement mechanism;
In the utility model, the constructional feature of elevator door instantaneous kinetic energy measurement mechanism is also: described linear bearing adopts flange form linear bearing, the port of sleeve arranges concave station, in the spacing concave station on the port of described sleeve of flange port of described flange form linear bearing; One end that described lance is being connected with spring is set to boss, is butted on described boss with described spring, realizes the axial limiting of lance; In the side of described jacket casing vertically in being one in front and one in back fixedly connected with " U " shape clamp respectively, two " U " shape clamp places on the same line, as the fixed sturcture of sleeve, described " U " shape clamp is used for being fixedly connected with support, and by bolt-locking, the two ends of described support are fixed on elevator door pocket.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, the utility model utilizes instantaneous kinetic energy measurement mechanism to measure, synchro measure door leaf speed, according to close the door kinetic energy and door closing speed value that Automatic door of elevator to be closed the door in stroke sometime, extrapolate the equivalent mass of door leaf and rigidly connected mechanical component thereof, again according to equivalent mass, in conjunction with average door closing speed, calculate the kinetic energy of closing the door under the average door closing speed of acquisition, achieve the detection for kinetic energy of closing the door under the average door closing speed of Automatic door of elevator.
2, the utility model instantaneous kinetic energy measurement mechanism can utilize support to be fixed setting for operating elevator, avoid the danger that handheld test exists, by being adjustable support by Bracket setting, can select neatly multi-point sampler is carried out in positions different in elevator door closing stroke, avoid the limitation of test position.
3, in the utility model, elevator instantaneous kinetic energy measurement mechanism mounting structure is convenient to assembling and adjustment.
Accompanying drawing explanation
Fig. 1 is the test mode schematic diagram in the utility model embody rule;
Fig. 2 a is door leaf velocity measuring device structural representation in the utility model;
Fig. 2 b is door leaf velocity measuring device scheme of installation in the utility model;
Fig. 3 a is elevator door instantaneous kinetic energy measurement mechanism appearance schematic diagram in the utility model;
Fig. 3 b is elevator door instantaneous kinetic energy measurement mechanism inner structure schematic diagram in the utility model;
Fig. 3 c is elevator door instantaneous kinetic energy measurement mechanism scheme of installation in the utility model;
Number in the figure: 1 instantaneous kinetic energy measurement mechanism, 2 door leaf velocity measuring devices, 3 supports, 4 data analyzers, 5 elevator doors, 6 elevator door pockets; 201 test the speed roller, 202 speed sensors, 203 second connecting rods, 204 rotating shafts, 205 first connecting rods, 206 support ears, 207 suckers, 208 bases, 209 pressure handles; 30 is " U " shape clamp, 30a front end arc bayonet socket, 30b rear end arc bayonet socket, 31 end plates, 32 lances, 33 linear bearings, 34 springs, 35 cushion blocks, 36 pressure sensors, 37 discoid cylinder bases, 38 sleeves, 39 clamp bolts, 41 auxiliary strut bars, 42 main support rods, 43 rubber chassis.
Detailed description of the invention
See Fig. 1, kinetic energy method of inspection of closing the door under the average door closing speed of Automatic door of elevator in the present embodiment utilizes instantaneous kinetic energy measurement mechanism 1 to carry out instantaneous kinetic energy measurement in elevator door closing procedure, obtain the instantaneous kinetic energy value Ex of moment t, utilize the instantaneous door closing speed Vx of the elevator door of door leaf velocity measuring device 2 synchro measure moment t, the equivalent mass Ma obtaining elevator door and rigidly connected mechanical component thereof is calculated according to instantaneous kinetic energy value Ex and instantaneous door closing speed Vx, close the door under calculating the average door closing speed of acquisition Automatic door of elevator according to equivalent mass Ma and average door closing speed Va kinetic energy Ea, and have:
Ma＝2Ex/Vx
2；
In the present embodiment, average door closing speed Va obtains as follows: utilize door leaf velocity measuring device 2 total travel to gather the running velocity of elevator door from opening to closed condition, calculate average door closing speed Va, by the regulation of GB7588-2003, for center opening door, being deduct 25mm as total travel at the end of each stroke, for side opening door, is deduct 50mm as total travel at the end of each stroke.
See Fig. 1, in the present embodiment, measurement for instantaneous kinetic energy is provided with on support 3 in the both sides of instantaneous kinetic energy measurement mechanism 1, support 3 is fixedly supported on the elevator door pocket 6 of elevator door both sides, instantaneous kinetic energy measurement mechanism 1 is made to be positioned at closing the door on operating path of elevator door 5, and in liftoff vacant state; When closing elevator door 5, instantaneous kinetic energy measurement mechanism 1 can clash into and stop the operation of elevator door 5, realizes the measurement of instantaneous kinetic energy with this.
As shown in Figure 1, arrange support 3 for adjustable length support, the length adjusting two side stands 3 can make instantaneous kinetic energy measurement mechanism 1 be on the different open position of elevator door 5, obtains the instantaneous kinetic energy value of elevator door 5 at corresponding open position place; The setting height(from bottom) of adjusting pole 3 on elevator door pocket 6 obtains the instantaneous kinetic energy value of elevator door 5 in respective heights position; And then obtain the instantaneous kinetic energy value of elevator door 5 each different opening position and differing heights position in closing process.
Data analyzer 4 shown in Fig. 1 is for carrying out data acquisition, analysis, display and data transmission in real time.The utility model method can detect various Automatic door of elevator door closing force, instantaneous kinetic energy of closing the door, door closing speed, and makes the detection for kinetic energy of closing the door under the average door closing speed of Automatic door of elevator be able to accurate enforcement.The utility model is tested at elevator floor stops place, its highly versatile, Site Detection can carried out with elevator to all types of, detect rapidly and accurately in the requirement whether meeting " elevator manufacture and installation safety standard " with the kinetic energy of closing the door under elevator average velociity, help to get rid of elevator door and clash into the potential safety hazard of hurting sb.'s feelings.
In the present embodiment, instantaneous kinetic energy measurement mechanism can be the instantaneous kinetic energy measurement mechanism provided about the reference method of inspection of kinetic energy detection by providing in GB7588-2003, and door leaf velocity measuring device can be made up of rotary encoder and fifth wheel or laser velocimeter sensor pattern.
As shown in Figure 2 a and 2 b, in the present embodiment, the version of door leaf velocity measuring device is: arrange speed sensor 202, the axle head of the rotating shaft 204 of speed sensor 202 is provided with the roller 201 that tests the speed, rotating shaft 204 is fixedly installed on base 208 by adjusting pole, the bottom of base 208 is provided with sucker 207, sucker 207 is utilized to be fixedly installed on elevator door pocket 6 by speed sensor 202, the roller 201 that makes to test the speed is butted on elevator door 5, and utilize friction force to roll along with the door closing procedure of elevator door, realize the measurement of the door closing speed for elevator door.
In concrete enforcement, the version of adjusting pole is: at one end form opening adjustable " V " shape frame by bolted splice by first connecting rod 205 and second connecting rod 203, the other end of first connecting rod 205 is bolted to connection on support ear 206, and the fixed angle of adjustable first connecting rod 205 on support ear 206, support ear 206 is fixedly installed on the end face of base 208, and rotating shaft 204 is fixedly installed on the other end of second connecting rod 203.This version of adjusting pole roller 201 that makes to test the speed can adjust position and direction as required, ensure test the speed roller 201 and elevator door 5 tested surface between predetermincd tension, pressure handle 209 shown in Fig. 2 a for compress sucker 207 make base 208 obtain fixedly positioning.
See Fig. 3 a, Fig. 3 b and Fig. 3 c, in the present embodiment, the version of elevator door instantaneous kinetic energy measurement mechanism is:
Arranging sleeve 38 at leading portion is little internal diameter chamber, is large diameter chamber at back segment; The back cover of discoid cylinder base 37 as sleeve 38 is fixedly installed in the bottom in large diameter chamber.
Spring 34 is placed in large diameter chamber, linear bearing 33 is provided with in little internal diameter chamber, lance 32 is bearing in linear bearing 33 and also can slides axially in linear bearing 33, the tail end of lance 32 is connected with the top of spring 34, and the front end of lance 32 convexedly stretches in the outside of sleeve 38 and is fixedly connected with end plate 31.
Be connected with cushion block 35 in the bottom of spring 34, pressure sensor 36 is set between cushion block 35 and discoid jacket casing 37, the detection signal using the output signal of pressure sensor 36 as instantaneous kinetic energy measurement mechanism 1.
As shown in Figure 3 b, the present embodiment cathetus bearing 33 adopts flange form linear bearing, the port of sleeve 38 arranges concave station, in the spacing concave station on the port of sleeve 38 of flange port of flange form linear bearing; One end that lance 32 is being connected with spring 34 is set to boss, is butted on boss with spring 34, realizes the axial limiting of lance 32; In the side of jacket casing 38 vertically in being one in front and one in back fixedly connected with " U " shape clamp 30 respectively, two " U " shape clamp 30 places on the same line, as the fixed sturcture of sleeve 38, for being fixedly connected with support 3, and locked by clamp bolt 39, the two ends of support 3 are fixed on elevator door pocket 6.Elevator is in door closing procedure, end plate 31 is clashed into by elevator door 5, lance 32 is moved in flange form linear bearing 33 and Compress Spring 34, until elevator door 5 is out of service, the impact of elevator door 5 is delivered on pressure sensor 36 by spring 34 and cushion block 35, utilize the output signal of data collection and analysis instrument Real-time Collection and record pressure sensor 36, and further by Data Analysis Services, obtain the kinetic energy of closing the door of elevator door.
See Fig. 3 a and Fig. 3 c, in the present embodiment, elevator instantaneous kinetic energy measurement mechanism mounting structure is vertically in being one in front and one in back fixedly connected with " U " shape clamp 30, two " U " shape clamp 30 places respectively on the same line in the side of the sleeve 38 of instantaneous kinetic energy measurement mechanism; Front end arc bayonet socket 30a is set in the front end of " U " shape clamp 30, rear end arc bayonet socket 30b is set in the rear end of " U " shape clamp 30; And fix on auxiliary strut bar 41 with front end arc bayonet socket 30a, fix on main support rod 42 with rear end arc bayonet socket 30b; Auxiliary strut bar 41 and main support rod 42 are parallel to each other; Auxiliary strut bar 41 and main support rod 42 are the expansion link of adjustable in length, rubber chassis 43 is set to respectively at the two ends of auxiliary strut bar 41 and main support rod 42, utilize rubber chassis, two ends 43 to be butted on the elevator door pocket 6 of elevator door both sides, instantaneous kinetic energy measurement mechanism is obtained between the elevator door pocket 6 of elevator door both sides fixing.
In the present embodiment, main support rod 42 is set to the tube-in-tube structure be made up of interior bar and overcoat, on interior bar, interval arranges each bayonet socket vertically, and locating dowel pin one end of relative set is placed in bayonet socket and realizes fixing, the other end protrudes out and forms block at bayonet outer, externally overlaps carry out axial location with block; Locating dowel pin is fixed in the bayonet socket on axially different position the coarse adjustment that can make in main support rod acquisition length, the sleeve 38 of instantaneous kinetic energy measurement mechanism utilizes clamp bolt 39 to be fixedly installed on the coat, and can in the axially adjustment fixed position of overcoat; Auxiliary strut bar 41 can be set to internal and external casing structure, utilizes the screw thread fit between internal and external casing to regulate the entire length of auxiliary strut bar 41.
Claims (2)
1. an elevator door instantaneous kinetic energy measurement mechanism, is characterized in that:
Arranging sleeve (38) at leading portion is little internal diameter chamber, is large diameter chamber at back segment; The back cover of discoid cylinder base (37) as sleeve (38) is fixedly installed in the bottom in described large diameter chamber;
Spring (34) is placed in described large diameter chamber, linear bearing (33) is provided with in described little internal diameter chamber, lance (32) is bearing in described linear bearing (33) and also can slides axially in linear bearing (33), the tail end of lance (32) is connected with the top of spring (34), and the front end of lance (32) convexedly stretches in the outside of sleeve (38) and is fixedly connected with end plate (31);
Cushion block (35) is connected with in the bottom of described spring (34), pressure sensor (36) is set between cushion block (35) and discoid cylinder base (37), using the output signal of described pressure sensor (36) as the detection signal of instantaneous kinetic energy measurement mechanism (1).
2. elevator door instantaneous kinetic energy measurement mechanism according to claim 1, it is characterized in that: described linear bearing (33) adopts flange form linear bearing, the port of sleeve (38) arranges concave station, in the spacing concave station on the port of described sleeve (38) of flange port of described flange form linear bearing; One end that described lance (32) is being connected with spring (34) is set to boss, is butted on described boss, realizes the axial limiting of lance (32) with described spring (34); In the side of described sleeve (38) vertically in being one in front and one in back fixedly connected with " U " shape clamp respectively, two " U " shape clamp places on the same line, as the fixed sturcture of sleeve (38), described " U " shape clamp is used for being fixedly connected with support (3), and locked by bolt (39), the two ends of described support (3) are fixed on elevator door pocket (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521011453.0U CN205151430U (en) | 2015-12-04 | 2015-12-04 | Instantaneous kinetic energy measuring device of lift -cabin door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521011453.0U CN205151430U (en) | 2015-12-04 | 2015-12-04 | Instantaneous kinetic energy measuring device of lift -cabin door |
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| CN205151430U true CN205151430U (en) | 2016-04-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105347130A (en) * | 2015-12-04 | 2016-02-24 | 安徽省特种设备检测院 | Door-closing kinetic energy detection method and device for automatic elevator doors at average door-closing speed |
| CN106829696A (en) * | 2017-04-01 | 2017-06-13 | 四川西子孚朗电梯有限公司 | It is secondary to install elevator structure additional |
-
2015
- 2015-12-04 CN CN201521011453.0U patent/CN205151430U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105347130A (en) * | 2015-12-04 | 2016-02-24 | 安徽省特种设备检测院 | Door-closing kinetic energy detection method and device for automatic elevator doors at average door-closing speed |
| CN106829696A (en) * | 2017-04-01 | 2017-06-13 | 四川西子孚朗电梯有限公司 | It is secondary to install elevator structure additional |
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