CN204198164U - Height limiting device and there is the building hoist of this device - Google Patents
Height limiting device and there is the building hoist of this device Download PDFInfo
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- CN204198164U CN204198164U CN201420625334.3U CN201420625334U CN204198164U CN 204198164 U CN204198164 U CN 204198164U CN 201420625334 U CN201420625334 U CN 201420625334U CN 204198164 U CN204198164 U CN 204198164U
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- building hoist
- limiting device
- height limiting
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Abstract
The utility model discloses a kind of height limiting device and have the building hoist of this device, this height limiting device comprises: baroceptor, to detect the pressure variation of height residing for cage on the cage being arranged on building hoist; Data handler, is electrically connected the height respective value obtaining cage with the atmospheric pressure value detected according to baroceptor with baroceptor; Input block, is electrically connected the limiting altitude value preset to input cage with data handler; Output unit, exports control signal to the control system of building hoist when being electrically connected with data handler to reach default limiting altitude value at cage.With traditional height limit Method compare, structure is simple, reliability is high, high reason causes the potential safety hazard after inhibiting device dismounting because standard knot adds to specifically avoid building hoist, and this height limiting device installs facility, and can use with original height limiting device, to improve the safety that building hoist runs further simultaneously.
Description
Technical field
The utility model relates to building hoist control field, especially, relates to a kind of height limiting device for building hoist.In addition, the utility model also relates to a kind of building hoist comprising above-mentioned height limiting device.
Background technology
Along with the development of Building Trade in China, improving constantly of construction machine level, also more and more higher to the technical requirements and safety requirements of building Overloading.Building hoist comprises the fence being fixed on ground, be called in the industry end cage, and the iron cage of the loaded personnel to move up and down with standard knot, be called cage in the industry, cage is provided with transmission device, standard knot is provided with tooth bar, by the type of drive of rack-and-gear, cage is run up and down along standard knot.At present, China's major part building hoist does not possess automatic leveling running technology, and is furnished with special messenger to operate elevator, owing to not having floor to indicate, usually occurs that floor did not stop or do not arrive the situation of first stopping, and causes certain trouble to operation; And the more important thing is, the limit switch adopted due to the height limit of now all elevators adds that the mode of mechanical collision block realizes, when after cage hit the ceiling, the limit switch be arranged on cage can encounter the spacing collision block be arranged on standard knot, makes control loop stop operation of rising, plays the effect of height limit, but, due to the reliability of limit switch, the error of collision block installation site, usually make height limit disabler, and then cause serious accident generation; More seriously along with building constantly raises, the standard knot of elevator also must be increased, before standard knot is increased, first must to remove height limiting device just can carry out, now, elevator does not possess upper limit function, and installation personnel is come off duty when leaving and do not completed erection work, but other people also do not know, if it is breakneck for now running elevator.In recent years, such accident most is representational is Shanghai City building site, Changsha and building site, Wuhan one, and a death tolls is all close to 20 people, and this all creates very large vibrations to country about supervisory management zone and elevator industry! Because cage superelevation runs, annual China building hoist occurs that great death accident is not within minority, and such accident often adjoint be all the severe and great casualty of the dead group's wound of group.Therefore, how to adopt modem technology to improve the height limit function of building hoist, improve safety in operation, the generation reducing human casualty accident and the convenience improving operation are further the technical tasks that must solve in the industry.
At present, what the height limit of domestic and international building hoist adopted is all the mode that limit switch adds collision block, a small amount of elevator is had to be equipped with cage to arrive floor level detecting device to realize automatic leveling operation, its technical scheme adopts the prior art of external colleague mostly, usually two modes are had: one is install coder on drive disk assembly, coder and transmission shaft synchronous axial system, the pulse count aggregate-value sent here by coder just can know that transmission shaft have rotated the real-world operation height how much enclosing and then calculate cage; Its two, adopt gear sensor to detect output gear and rotate the aggregate-value of the number of teeth and carry out calculated altitude.These two kinds of methods all detect drive disk assembly rotating cycle aggregate-value by sensor and carry out indirect calculation and go out sling height, the problem that they bring installs trouble, cost is higher, arithmetic processing circuit is complicated, and owing to being the mode adopting pulse stored count, once occur interference making pulse stored count occur, error system cannot arrange elimination, and error is also accumulative, be generally head it off, a calibration limit switch to be installed additional in the fixed position, bottom of standard knot toward contact, when cage drops to this position, forcibly pulse stored count value can be arranged to a fixed number after system experiences limit switch action, to eliminate the metrical error run last time in circulation, but run in repetition period at one, the height error caused metrical error is helpless, and these links too increase cost and the complexity of system.
Utility model content
The utility model object is to provide a kind of height limiting device for building hoist, with the technical matters that the complex structure and reliability that solve the height limiting device of existing building hoist are low.
For achieving the above object, the technical solution adopted in the utility model is as follows:
According to an aspect of the present utility model, provide a kind of height limiting device, for building hoist, this height limiting device comprises:
Baroceptor, to detect the pressure variation of height residing for cage on the cage being arranged on building hoist;
Data handler, is electrically connected the height respective value obtaining cage with the atmospheric pressure value detected according to baroceptor with baroceptor;
Input block, is electrically connected the limiting altitude value preset to input cage with data handler;
Output unit, exports control signal to the control system of building hoist when being electrically connected with data handler to reach default limiting altitude value at cage.
Further, baroceptor is removably connected on cage through mount pad.
Further, this device also comprises the auxiliary stopper switch be located on cage, correspondingly, the standard knot of building hoist is provided with the spacing collision block of the end position for limiting auxiliary stopper switch.
Further, auxiliary stopper switch comprises: the upper limit position switch be connected with cage and lower position switch, spacing collision block comprises: upper limit collision block, lower limit collision block, wherein, upper limit collision block is for limiting the end position of upper limit position switch, and lower limit collision block is for limiting the end position of lower position switch.
Further, data handler is connected with the height display unit for showing floor residing for cage.
Further, the limiting altitude value preset comprises: upper extreme position and lower limit position.
Further, output unit is switch amount output unit.
Further, output unit is electrically connected with alarm unit, output alarm signal during to reach default limiting altitude value at cage.
According to another aspect of the present utility model, also provide a kind of building hoist, comprise above-mentioned height limiting device.
The utility model has following beneficial effect:
The utility model height limiting device and there is the building hoist of this device, by arranging baroceptor to detect the pressure variation of cage with height change on the cage of building hoist, and data handler receives atmospheric pressure value that baroceptor detects and obtains the height respective value of cage, and export control signal to the control system of building hoist when comparing with the limiting altitude value preset to reach default limiting altitude value at cage, thus achieve the height limit of building hoist, and with the height limit Method compare of traditional limit switch and spacing collision block, structure is simple, reliability is high, high reason causes the potential safety hazard after inhibiting device dismounting because standard knot adds to specifically avoid building hoist, and this height limiting device installs facility, and can use with original height limiting device simultaneously, to improve the safety that building hoist runs further.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation that the utility model preferred embodiment height limiting device is applied to building hoist.
Description of reference numerals:
1, lower limit collision block; 2, cage; 3, lower position switch;
4, upper limit position switch; 5, standard knot;
6, upper limit collision block; 7, transmission device; 8, baroceptor;
9, height display unit; 10, data handler;
11, output unit; 12, input block.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
With reference to Fig. 1, preferred embodiment of the present utility model provides a kind of height limiting device, for building hoist, this height limiting device comprises: baroceptor 8, data handler 10, input block 12 and output unit 11, wherein, baroceptor 8 for be arranged on building hoist cage 2 on to detect the pressure variation of the residing height of cage 2; Data handler 10 is electrically connected the height respective value obtaining cage 2 with the atmospheric pressure value detected according to baroceptor 8 with baroceptor 8; Input block 12 is electrically connected with data handler 10 to input the default limiting altitude value of cage 2; Output unit 11 exports control signal to the control system of building hoist when being electrically connected with data handler 10 to reach default limiting altitude value at cage 2.When the cage 2 of building hoist reaches capacity height value along standard knot operation, then output unit 11 exports control signal to the control system of building hoist, runs with the continuation stopping cage 2.
With reference to Fig. 1, in the present embodiment, building hoist comprises standard knot 5 and the cage 2 with standard knot 5 up-and-down movement, cage 2 is through transmission device 7 connection standard joint 5, in the present embodiment, transmission device 7 is rack and pinion drive mechanism, cage 2 under the driving of transmission device 7 along standard knot 5 up-and-down movement.The present embodiment by arranging baroceptor 8 to detect the pressure variation of cage 2 with height change on cage 2, and data handler 10 receives atmospheric pressure value that baroceptor 8 detects and obtains the height respective value of cage 2, and export control signal to the control system of building hoist when comparing with the limiting altitude value preset to reach default limiting altitude value at cage 2, thus achieve the height limit of building hoist, and with the height limit Method compare of traditional limit switch and spacing collision block, structure is simple, reliability is high, high reason causes the potential safety hazard after inhibiting device dismounting because standard knot adds to specifically avoid building hoist, and this height limiting device installs facility, and can use with original height limiting device simultaneously, to improve the safety that building hoist runs further.
With reference to Fig. 1, the present embodiment building hoist is provided with traditional height limiting device, cage 2 is arranged upper limit position switch 4 and lower position switch 3, spacing collision block comprises: upper limit collision block 6, lower limit collision block 1, wherein, upper limit collision block 6 is for limiting the end position of upper limit position switch 4, and lower limit collision block 1 is for limiting the end position of lower position switch 3.Like this, upper limit position switch 4 and lower position switch 3 are by carrying out spacing with the mode of upper limit collision block 6, lower limit collision block 1 mechanical collision to the end position of cage 2 respectively, to supplement the present embodiment height limiting device, improve the safety that building hoist runs further.
The baroceptor 8 of the present embodiment height limiting device is installed and is compared with the installation of traditional limit switch with spacing collision block, simple and easy, traditional limit switch and spacing collision block, need to be separately fixed at cage 2, on standard knot 5, and whether the position of spacing collision block is suitable, problem all needs scene conscientiously to process with whether the position of limit switch appropriate etc., simultaneously, completing height limit must be that spacing collision block touches limit switch action with output switching signal to control system at every turn, therefore the movable parts related in control process is many, complex structure, maintenance cost is high, and the standard knot of building hoist is increased in operating mode, easily there is the operation hidden danger after inhibiting device dismounting, and the present embodiment baroceptor 8 need are fixedly installed to the optional position of cage 2, and safeguard simple.Preferably, conveniently installing/dismounting baroceptor 8, baroceptor 8 is removably connected on cage 2 through mount pad, can adopt between mount pad with baroceptor 8 be threaded, snap close is connected etc. is fixedly connected with mode.
In the present embodiment, baroceptor 8 detects the atmospheric pressure value of the residing height of cage 2 in real time, and belong to prior art according to the algorithm that atmospheric pressure value calculates sea level elevation, and along with the maturation of atmospheric pressure detecting element and progress, the precision being measured sea level elevation by atmospheric pressure value reaches below meter level, thus provides technical guarantee to the height limiting device of the present embodiment.In the present embodiment, data handler 10 is electrically connected with input block 12, operating personal sets the limiting altitude value preset through input block 12, preferably, the limiting altitude value preset comprises: upper extreme position and lower limit position, to carry out accurate limit to operating cage 2 in upper extreme position position and lower limit position.Preferably, input block 12 can set the initial makeup location of building hoist, such as, initial setting is carried out to ground and the actual corresponding sea level elevation of each floor, and record cage 2 along the up maximum height value of standard knot 5, the limiting altitude value that operating personal can be preset according to the setting of this maximum height value simultaneously.Preferably, in order to show the floor of cage 2, story height residing for cage is understood at any time to allow operator and workmen, data handler 10 is connected with the height display unit 9 for showing floor residing for cage 2, and this height display unit 9 can adopt general L E D or LC D display module.Preferably, in the present embodiment, output unit 11 is switch amount output unit, and when cage 2 reaches capacity position, output unit 11 generates on-off model to control system, to stop driving cage 2 to move.More preferably, when cage 2 reaches capacity position, conveniently warn on-the-spot workmen, output unit 11 is electrically connected with alarm unit, output alarm signal during to reach default limiting altitude value at cage 2, this alarm unit can be acousto-optic warning unit or buzzer phone etc.
And the present embodiment height limiting device is owing to adopting electronically controlled mode, more can be met the demand of the installation operating mode of building hoist by the switching of master mode, to make spacing safety, stop building hoist operation and occur major casualties.When the standard knot of building hoist need be increased, first the control of height limit is removed, namely output unit 11 not output switch amount signal to the control system of building hoist, the operation of standard knot supernumerary segment is carried out to facilitate installation personnel, when installation personnel come off duty or after leaving, recover the height limit master mode of height limiting device, namely output unit 11 when cage 2 reaches capacity position output switch amount signal to control system, therefore after recovery master mode, cage 2 just cannot run to the height newly increased, and has stopped the generation of safety misadventure.The recovery of height limit master mode can for the automatic recovery again powered on after power-off when running building hoist herein, because workmen After Hours can remember the power supply disconnecting building hoist, therefore by the spacing master mode of automatically reset mode entry altitude that powers on, ensure that safety when other staff use.And once supernumerary segment operation install after, through input block 12, new limiting altitude value is set, can change cage 2 run maximum height value.
According to another aspect of the present utility model, also provide a kind of building hoist, comprise above-mentioned height limiting device.The present embodiment building hoist is by arranging the height limiting device of above-described embodiment, simplify the structure design of height limit, and the building hoist having stopped to cause after traditional standard knot adds high reason dismounting inhibiting device runs the hidden danger occurring safety misadventure, enhances reliability of operation.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a height limiting device, for building hoist, is characterized in that, this height limiting device comprises:
Baroceptor (8), for be arranged on described building hoist cage (2) on to detect the pressure variation of the residing height of described cage (2);
Data handler (10), is electrically connected with described baroceptor (8) the height respective value obtaining described cage (2) with the atmospheric pressure value detected according to described baroceptor (8);
Input block (12), is electrically connected with described data handler (10) to input the default limiting altitude value of described cage (2);
Output unit (11), is electrically connected to export control signal when described cage (2) reaches described default limiting altitude value to the control system of described building hoist with described data handler (10).
2. height limiting device according to claim 1, is characterized in that,
Described baroceptor (8) is removably connected on described cage (2) through mount pad.
3. height limiting device according to claim 1, is characterized in that,
Also comprising the auxiliary stopper switch be located on described cage (2), correspondingly, the standard knot (5) of described building hoist being provided with the spacing collision block of the end position for limiting described auxiliary stopper switch.
4. height limiting device according to claim 3, is characterized in that,
Described auxiliary stopper switch comprises: the upper limit position switch (4) be connected with described cage (2) and lower position switch (3), described spacing collision block comprises: upper limit collision block (6), lower limit collision block (1), wherein, described upper limit collision block (6) is for limiting the end position of described upper limit position switch (4), and described lower limit collision block (1) is for limiting the end position of described lower position switch (3).
5., according to the arbitrary described height limiting device of Claims 1-4, it is characterized in that,
Described data handler (10) is connected with the height display unit (9) for showing the residing floor of described cage (2).
6. height limiting device according to claim 5, is characterized in that,
Described default limiting altitude value comprises: upper extreme position and lower limit position.
7. height limiting device according to claim 5, is characterized in that,
Described output unit (11) is switch amount output unit.
8. height limiting device according to claim 1, is characterized in that,
Described output unit (11) is electrically connected with alarm unit, with the output alarm signal when described cage (2) reaches default limiting altitude value.
9. a building hoist, is characterized in that, comprise as arbitrary in claim 1 to 8 as described in height limiting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625334.3U CN204198164U (en) | 2014-10-23 | 2014-10-23 | Height limiting device and there is the building hoist of this device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625334.3U CN204198164U (en) | 2014-10-23 | 2014-10-23 | Height limiting device and there is the building hoist of this device |
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| Publication Number | Publication Date |
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| CN204198164U true CN204198164U (en) | 2015-03-11 |
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| CN201420625334.3U Active CN204198164U (en) | 2014-10-23 | 2014-10-23 | Height limiting device and there is the building hoist of this device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584922A (en) * | 2016-03-28 | 2016-05-18 | 齐思贤 | Box-type lift based on gear-rack transmission |
| CN107043060A (en) * | 2017-03-08 | 2017-08-15 | 广州市特威工程机械有限公司 | A kind of installation method of inverse formula installation lift |
| CN107117511A (en) * | 2017-05-22 | 2017-09-01 | 长沙海川自动化设备有限公司 | Gear detector, building hoist and detection method |
| CN111847168A (en) * | 2020-07-28 | 2020-10-30 | 长沙海川自动化设备有限公司 | Height limit control method, device and equipment for construction elevator and storage medium |
| CN113993806A (en) * | 2019-07-01 | 2022-01-28 | 三菱电机大楼技术服务株式会社 | Position detection system for elevator |
-
2014
- 2014-10-23 CN CN201420625334.3U patent/CN204198164U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584922A (en) * | 2016-03-28 | 2016-05-18 | 齐思贤 | Box-type lift based on gear-rack transmission |
| CN107043060A (en) * | 2017-03-08 | 2017-08-15 | 广州市特威工程机械有限公司 | A kind of installation method of inverse formula installation lift |
| CN107117511A (en) * | 2017-05-22 | 2017-09-01 | 长沙海川自动化设备有限公司 | Gear detector, building hoist and detection method |
| CN113993806A (en) * | 2019-07-01 | 2022-01-28 | 三菱电机大楼技术服务株式会社 | Position detection system for elevator |
| CN111847168A (en) * | 2020-07-28 | 2020-10-30 | 长沙海川自动化设备有限公司 | Height limit control method, device and equipment for construction elevator and storage medium |
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