CN205634563U - Pneumatic companion ladder - Google Patents
Pneumatic companion ladder Download PDFInfo
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- CN205634563U CN205634563U CN201620501097.9U CN201620501097U CN205634563U CN 205634563 U CN205634563 U CN 205634563U CN 201620501097 U CN201620501097 U CN 201620501097U CN 205634563 U CN205634563 U CN 205634563U
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- lift car
- elevator
- car
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- hoistway
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Abstract
The utility model discloses a pneumatic companion ladder, main being directed against produces dangerous problem when current elevator takes place to weigh down the ladder easily, has provided a pneumatic companion ladder, including elevator well, elevator car and controlling means, the elevator well includes lift well and buffering well, the setting of buffering well is in the lower extreme of lift well and with the lift well is connected, the lower extreme of lift well is connected with aerating device and air bleeder, elevator car bottom with the sealed cooperation of elevator well, be less than in the elevator well the space of elevator car bottom is airtight space, when when aerating device aerifys in to airtight space, elevator car rises, works as the air bleeder is followed when exitting in the airtight space, elevator car descends, controlling means is used for control elevator car's start -up and stopping. The utility model discloses can not take place the circumstances of elevator car and the collision of other structural rigidities when taking place to weigh down the ladder, factor of safety is high.
Description
Technical field
This utility model relates to a kind of personnel or lowering or hoisting gear of goods of transporting in building, a kind of Pneumatic elevation ladder.
Background technology
Along with land resource is more and more rare, present building plans are all planned to high-level structure, and this high-level structure can farthest utilize limited land resource, existing resource the most just can be utilized to create and be worth to greatest extent.Architectural development along with high-level structure, also it is widely applied for transporting the device of personnel or goods lifting, lowering or hoisting gear common under prior art has staircase, elevator etc., the space taken due to staircase is big, and need through repeatedly changing to when taking staircase, therefore, the use of staircase is extremely limited.The most most widely used is elevator, elevator is mainly made up of car, balance system, traction system and guidance system etc., the elevator of this structure inevitably there will be the abrasion of machine components after long-play, when machine components are owing to occurring that abrasion occurs the malfunctioning situation of machinery, it is possible to occur the event of pendant ladder, is susceptible to danger.Existing elevator typically uses the form of band-type brake to carry out the generation of anti-falling stop ladder event, when there is accident in elevator, band-type brake meeting locking, avoid pendant ladder, but the situation of this brake sticking brake belongs to rigidity braking, when the unexpected locking of band-type brake, first the personnel in elevator are likely to cause injury, simultaneously it is also possible to the parts such as cage guide are caused damage.
Utility model content
For the problems referred to above, this utility model provides a kind of startup lowering or hoisting gear that ensure that boarding personal security.
For reaching above-mentioned purpose, this utility model Pneumatic elevation ladder, the lift car including elevator hoistways more than two-layer, run up and down in elevator hoistways and control device, described elevator hoistways includes that the lifting hoistway being wholely set is gentle and rushes hoistway, and described buffering hoistway is the sealing hoistway of the lower end being positioned at described lifting hoistway；Wherein, lifting hoistway upper end is provided with blow vent, and connecting in the lower end of described lifting hoistway has aerating device and means of deflation；Every layer of hoistway is provided with the elevator door of hermetic seal；
Bottom described lift car, at least it is provided with the seal section coordinated with described elevator hoistways hermetic seal (hermetic seal herein is opposing seal, under ensureing the accurate ruuning situation of elevator, it is allowed to gas leakage)；Being less than the space bottom described lift car in described elevator hoistways is confined space；
Described control device is for controlling described aerating device and the startup of means of deflation and stopping, so that lift car reaches the floor specified；
When described aerating device is inflated in confined space and reaches unlifting pressure, described lift car rises；When described means of deflation exits to reach falling pressure in described confined space, described lift car declines.
Further, described lift car is provided with the weighing device for weighing load-carrying；Also include a baroceptor for pressure in measuring described confined space, described baroceptor and weighing device are connected with described control device communication, aerating device and means of deflation described in the Data Control that described control device controls foundation weighing device, baroceptor transmits.
Specifically, described weighing device includes being arranged on the cylindrical pressure sensor at car Housing Base center and being arranged on the supporting plate on cylindrical pressure sensor；Or,
Described weighing device includes the pulling force sensor being arranged on car cover top plate center and the cage being connected with described pulling force sensor.
Further, it is provided with brake unit outside described lift car, the position of the corresponding each floor of described elevator hoistways is provided with position sensor, described position sensor and described control device communication, and described control device controls described brake unit according to the signal of position sensor.
Specifically, described brake unit includes some the sub-brake units being uniformly arranged along lift car circumference, and described sub-brake unit includes electric magnet, spring and arcuate brake sheet；Being provided with groove on the car housing of described lift car, described arcuate brake sheet one end is hinged in groove, and the two ends of described spring are connected with brake(-holder) block and trench bottom surfaces respectively, and described electric magnet is arranged in trench bottom surfaces；When the solenoid is energized, described arcuate brake sheet is by adhesive, and all in groove, when electric magnet power-off, described arcuate brake sheet is ejected by spring, fits with described elevator hoistways；
Or, described elevator hoistways is ferromagnetic conduit, is provided with more than one Breake Electromagnet or solenoid on the car housing of described lift car.
Further, the cross section of described elevator hoistways is circular, on described elevator hoistways sidewall, axis is provided with at least guiding rib or guide chute, on described lift car, guiding rib or guide chute described in correspondence are provided with guide chute or guiding rib, and described gathering sill is slidably matched with described guiding rib.
Specifically, described elevator hoistways being provided with two described guide chutes, described lift car is provided with two guiding ribs, described gathering sill is connected with the lateral wall insulation of elevator hoistways, and described guiding rib insulate with the car housing of described lift car and is connected；Described two guide chutes electrically connect with the both positive and negative polarity of power supply respectively, control electrically connecting with two guiding ribs of device and illuminator in described lift car.
Further, described car top is provided with vent, described elevator hoistways top is provided with air-exchanging chamber, described air-exchanging chamber connects with ambient atmosphere, two QI KOU of described aerating device connect with bottom and the described air-exchanging chamber of described lifting hoistway respectively, and two QI KOU of described means of deflation connect with bottom and the described air-exchanging chamber of described lifting hoistway respectively.
Further, the faulty aerating device of pipeline communication is passed through in described buffering hoistway bottom, and described pipeline is provided with check valve；The lower end of described lifting hoistway is additionally provided with Manual air-release valves.
The lifting hoistway of this utility model Pneumatic elevation ladder destroys, when there is pendant ladder in lift car, air pressure change in lifting hoistway is a progressive formation, lift car is made slowly to fall, when height bottom lift car is less than the breakdown point of lifting hoistway, can re-form a confined space below lift car, lift car can stop motion after the damped motion of a period of time, rigid collision will not occur during whole, personnel will not be formed harm.
The elevator hoistways of this utility model Pneumatic elevation ladder is buffering hoistway in lower end; if aerating device is damaged or lifts the breakdown point generation of hoistway in bottom; there is used during elevator falling event; when falling into buffering hoistway in the bottom of lift car; buffering hoistway forms airtight space bottom lift car; there is air in space, thus define an air damping device, it is possible to the personnel in protection elevator will not come to harm.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model Pneumatic elevation ladder；
Fig. 2 is the schematic diagram during brake(-holder) block adhesive of the brake unit of this utility model Pneumatic elevation ladder；
Fig. 3 is the brake(-holder) block of brake unit of this utility model Pneumatic elevation ladder schematic diagram when flicking；
Fig. 4 be this utility model Pneumatic elevation ladder with guiding rib and the schematic diagram of guide chute；
Fig. 5 is enlarged drawing at the I of Fig. 4.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is further described.
Embodiment 1
As shown in Figure 1, the present embodiment Pneumatic elevation ladder, the lift car 2 including elevator hoistways 1 more than two-layer, run up and down in elevator hoistways and control device, described elevator hoistways 1 includes lifting hoistway 101 and the buffering hoistway 102 being wholely set, and described buffering hoistway 102 is the sealing hoistway of the lower end being positioned at described lifting hoistway 101；Wherein, lifting hoistway 101 upper end is provided with blow vent, and being provided with gas vent and inflation inlet 103, described gas vent and inflation inlet 103 connection in the lower end of described lifting hoistway 101 has aerating device and means of deflation；Every layer of hoistway is provided with the elevator door of hermetic seal；
Bottom described lift car 2, at least it is provided with the seal section coordinated with described elevator hoistways 1 hermetic seal (hermetic seal herein is opposing seal, under ensureing the accurate ruuning situation of elevator, it is allowed to gas leakage)；Being less than the space bottom described lift car in described elevator hoistways 1 is confined space；
Described control device is for controlling described aerating device and the startup of means of deflation and stopping, so that lift car reaches the floor specified；
When described aerating device is inflated in confined space and reaches unlifting pressure, described lift car 2 rises；When described means of deflation exits to reach falling pressure in described confined space, described lift car 2 declines.
In the present embodiment, lift car 2 constitutes confined space with elevator hoistways 1 below, when being filled with air in confined space, air pressure gradually increases, when air pressure is more than the gravity summation of the people in lift car 2 and car or article to the thrust of lift car 2, lift car 2 rises, when air pressure is less than the gravity summation of the people in described lift car 2 and car or article to the thrust of lift car 2, lift car 2 declines, according to above-mentioned principle, by being filled with in confined space or releasing gas, it is possible to drive the raising and lowering of lift car 2.
In the case of the quantity difference of people and goods in elevator, the gross weight of lift car 2 is the most different, therefore, when entering personnel in car or putting into goods, need to supplement corresponding air pressure for confined space, therefore at any time, the present embodiment is provided with weighing device 203 in lift car 2, so that monitoring personnel and the gross weight of article in car at any time, supplement air pressure at any time, it is possible to ensure the stability of lift car 2.
The confined space driving lift car about 2 by bottom of the present embodiment Pneumatic elevation ladder, therefore the gravity of lift car 2 is close with the pressure that lift car 2 is applied by lower gas all the time, when there is pendant ladder in lift car 2, when the lifting hoistway 101 of the most a certain position occurs to destroy, the air pressure of lift car 2 bottom is the process of a gradual change, makes lift car 2 slowly decline.Less than when there is the position destroyed in the height bottom lift car 2, defining the most again a confined space below lift car 2, lift car 2 can stop, so after one section of damped motion, the drop event of elevator will not occur the contact of rigidity all the time, personnel will not be formed harm.
The elevator hoistways 1 of the present embodiment Pneumatic elevation ladder is buffering hoistway 102 in lower end; occur bottom hoistway 101 to destroy and used during elevator falling event occurs if owing to aerating device is damaged or lifts; when falling into buffering hoistway 102 in the bottom of lift car 2; buffering hoistway 102 forms airtight space bottom lift car 2; air is there is in space; thus defining an air damping device, it is possible to the personnel in protection elevator will not come to harm.In the Pneumatic elevation ladder of the present embodiment, buffering hoistway 102 is under the ground floor of building, during elevator runs, buffering hoistway 102 will not form abrasion, and the effect of buffering hoistway 102 is to form air damping to accept the car fallen.
Embodiment 2
On the basis of above-described embodiment, described lift car 2 includes car housing 201 and is arranged on the weighing device bottom car housing 201, it is provided with baroceptor in described confined space, described baroceptor and weighing device are connected with described control device communication, aerating device and means of deflation described in the Data Control that described control device controls foundation weighing device, baroceptor transmits.
Described weighing device includes the cylindrical pressure sensor 203 being arranged on car housing 201 bottom center and the supporting plate 202 being arranged on cylindrical pressure sensor 203；
It is provided with weighing device in the lift car 2 of the present embodiment, during personnel pass in and out, weighing device measures current loading capacity, and be delivered to control device by loading capacity, baroceptor is measured the air pressure in current confined space and is delivered to the air pressure transmission recorded control device, and controlling device needs inflation to need for venting according to loading capacity and the calculating of current air pressure.
Cylindrical pressure sensor 203 in the lift car 2 of the present embodiment is arranged on lift car 2 base plate center, and, cylindrical pressure sensor 203 is provided with supporting plate 202, so when the personnel in elevator are in non-uniform Distribution state, weight still can be delivered to the center of car housing 201 base plate by supporting plate 202 by cylindrical pressure sensor 203, owing to the stress point of car housing 201 is all the time at the central point of base plate, therefore, car will not the phenomenon of run-off the straight, thus, car can trouble-free operation.
The weighing device of the present embodiment can also use another way: pulling force sensor that described weighing device includes being arranged on car cover top plate center and the cage being connected with described pulling force sensor.This mode also is able to weigh the load-carrying of lift car, also is able to ensure the vertical of lift car simultaneously.
Embodiment 3
On the basis of above-described embodiment, as shown in figures 2-3, it is provided with brake unit outside described lift car, the position of the corresponding each floor of described elevator hoistways is provided with position sensor, described position sensor and described control device communication, described control device controls described brake unit according to the signal of position sensor.
Described brake unit includes some the sub-brake units being uniformly arranged along lift car 2 circumference, and described sub-brake unit includes electric magnet, spring 301 and arcuate brake sheet 302；Being provided with groove on the car housing 201 of described lift car 2, described arcuate brake sheet 302 one end is hinged in groove, and the two ends of described spring 301 are connected with arcuate brake sheet 302 and trench bottom surfaces respectively, and described electric magnet is arranged in trench bottom surfaces；When the solenoid is energized, described arcuate brake sheet 302 is by adhesive, and all in groove, when electric magnet power-off, described arcuate brake sheet 302 is ejected by spring 301, fits with described elevator hoistways 1.
First, when not installing brake unit, the speed of rate adaptation lift car 2 lifting that can be filled with by gas or release and the position of stop, but, damping characteristic due to compressed gas, simple be filled with by regulation gas or release regulate palace level car 2 and stop, the stop position of lift car 2 can not be accurately controlled, simultaneously, damping characteristic due to compressed gas, inevitably make lift car 2 that damped motion occurs when stopping, stop is made time-consumingly to increase, therefore, the present embodiment is that lift car 2 is provided with brake unit, measure the accurate location of lift car 2 by position sensor and the most quickly stopped by brake unit control lift car 2.
Secondly, due to thinking placing articles or turnover personnel in lift car 2 when, article gross weight in lift car 2 is the process of a sudden change, and the process of QI invigorating or venting is the process of a gradual change in confined space, therefore, it is possible that the situation sunk suddenly of lift car 2 when of causing House item or the personnel of entrance in lift car 2, and the situation that lift car 2 flies up occurs when taking out article or walk out personnel, therefore, elevator arranges brake unit, it is ensured that elevator is in upper and lower personnel and the stability during picking and placeing goods.
Additionally, the present embodiment can also have another way of example, some brake units can be set on elevator hoistways 1, and brake unit is set on elevator hoistways 1, need to arrange brake unit in the position of corresponding each floor, the structure making the Pneumatic elevation ladder of the present embodiment becomes complicated, and meanwhile, the brake unit that arranges on elevator hoistways 1 is also easy to cause lift car 2 and elevator hoistways 1 to occur sealing property when mutually moving to be deteriorated.Therefore, the present embodiment uses the mode arranging brake unit on lift car 2.
The brake unit of the present embodiment can also use another way: described elevator hoistways is ferromagnetic conduit, is provided with more than one Breake Electromagnet or solenoid on the car housing of described lift car.When needs are braked, be energized for electric magnet or solenoid, time lift car be attached together with elevator hoistways, reach the purpose braked.
Embodiment 4
On the basis of above-described embodiment, as shown in Figures 4 and 5, the cross section of described elevator hoistways 1 is circular, anti-rotation device 4 it is provided with between lift car and elevator hoistways, described anti-rotation device 4 includes described two guide chutes 403 axially arranged along elevator hoistways 1 on elevator hoistways 2 and is arranged on two guiding ribs 404 on lift car 2, described guide chute 403 is connected with the lateral wall insulation of elevator hoistways 1, and described guiding rib 404 insulate with the car housing 201 of described lift car 2 and is connected；Described two guide chutes 403 electrically connect with the both positive and negative polarity of power supply respectively, control electrically connecting with two guiding ribs 404 of device and illuminator in described lift car 2.
In the present embodiment, the cross section of elevator hoistways 1 is circular, in order to prevent lift car 2 from rotating, cause the door of lift car 2 can not align with the door of elevator hoistways 1, two guiding ribs 404 it are provided with on the lift car 2 of the present embodiment, and be provided with two guide chutes 403 on elevator hoistways 1, in such manner, it is possible to prevent lift car 2 from rotating.
Additionally, the present embodiment is directed to rib 404 and has wrapped up guiding rib insulation shell 402 with outside, guide chute insulation shell 401 has also been wrapped up in the outside being directed to chute 403, guiding rib 404 is made to insulate with lift car 2, guide chute 403 insulate with elevator hoistways 1, then the both positive and negative polarity of power supply is connected with two guide chutes 403 respectively, so, control device, illuminator etc. in lift car 2 need the device of power supply can connect formation loop from two guiding ribs 404, so, avoid the need for being separately provided the equipment such as cable hank, make the simple in construction of elevator understand.
The guiding rib of the present embodiment and guide chute do not limit to and two, however it is necessary that two guiding ribs and two guide chutes are for conducting electricity.
Embodiment 5
The elevator hoistways 1 of the present embodiment is oval or polygon, oval or polygonal hoistway makes the degree of freedom that lift car 2 only moves up and down, there is no rotary freedom, the present embodiment is not necessary for lift car 2 guiding rib 404 is set, it is not required that guide chute 403 is set for elevator hoistways 1.Therefore, control device, illuminator etc. in lift car 2 in the present embodiment need the device of electricity consumption to need by cable to electrically connect with power supply, cable can be coiled in bottom buffering hoistway 102 or on the cable hank at lifting hoistway 101 top, cable hank rotates along with the lifting of lift car 2, to release or to fold cable.The position that cable hank in the present embodiment is arranged preferably at the top of lifting hoistway 101, makes the bottom of lift car 2 only exist gas, it is ensured that lift car 2 moment is all in the state of safety.
The present embodiment also has a scheme similar to such scheme: elevator hoistways 1 is circle, a piece guiding rib 404 is set outside lift car 2, the guide chute 403 coordinated with guiding rib 404 is set in elevator hoistways 1, rotate and the degree of freedom of vertical movement owing to lift car 2 only exists in elevator hoistways 1, even if only one guiding rib 404, the rotary freedom also being able to make lift car 2 disappears, now, electric supply installation in lift car 2 can not be connected to power supply by a piece guiding rib 404, therefore, it is also desirable to arrange cable hank.
Embodiment 6
On the basis of above-described embodiment, described car top is provided with vent, described elevator hoistways 1 top is provided with air-exchanging chamber, described air-exchanging chamber connects with ambient atmosphere, two QI KOU of described aerating device connect with bottom and the described air-exchanging chamber of described lifting hoistway 101 respectively, and two QI KOU of described means of deflation connect with bottom and the described air-exchanging chamber of described lifting hoistway 101 respectively.
Owing to lift car 2 bottom coordinates with elevator hoistways 1 sealing, therefore, needs are avoided falling into dust between lift car 2 and elevator hoistways 1, to reduce the frictional force between lift car 2 and elevator hoistways 1, also lift car 2 and the abrasion of elevator hoistways 1 are reduced, therefore, the present embodiment arranges air-exchanging chamber at the top of elevator hoistways 1, it is to avoid when elevator rises or falls, dust is brought in elevator hoistways 1 by the flowing due to air.But, owing to lift car 2 gas handling capacity of elevator hoistways 1 when rising or falling is big, gas can not be discharged or timely make-up gas by air-exchanging chamber in time, the air pressure above lift car 2 can be caused more than or less than atmospheric pressure, owing to connecting with the hoistway space above lift car 2 in lift car 2, also result in the air pressure of lift car 2 and atmospheric pressure, this healthy unfavorable to occupant.Therefore, two QI KOU of described aerating device are connected by the present embodiment respectively with bottom and the described air-exchanging chamber of described lifting hoistway 101, and two QI KOU of described means of deflation connect with bottom and the described air-exchanging chamber of described lifting hoistway 101 respectively.When car rises, the gas of extraction air-exchanging chamber supplements the gas sealing space, and when cage descending, the gas in extraction sealing space supplements the gas of air-exchanging chamber.
Embodiment 7
On the basis of above-described embodiment, described buffering hoistway 102 bottom is communicated with fault aerating device, is provided with check valve on the pipeline connecting buffering hoistway 102 and fault aerating device.The lower end of described lifting hoistway 101 is additionally provided with Manual air-release valves.
When lift car 2 falls, it may occur that after lift car 2 stop motion, the phenomenon that the bottom of lift car 2 coordinates with buffering hoistway 102.When this happens, need lift car 2 improves entrance lifting hoistway 101 again, then could be properly functioning.The present embodiment is connected trouble aerating device bottom buffering hoistway 102, is inflated by fault aerating device, brings up to lift car 2 buffer in hoistway 102, it is not necessary to be separately provided other machinerys, and simple in construction is easy to use.Additionally; in order to avoid causing lift car 2 not to be provided that the situation of protection when falling owing to fault aerating device damages; on the pipeline of the present embodiment, check valve is set; thus can only inside make-up gas in buffering hoistway 102; and can not outwards discharge gas, make the protective effect of buffering hoistway 102 exist all the time.
When aerating device or elevator hoistways 1 occur to destroy, there is pendant ladder in lift car 2, relation due to gas pressure, lift car 2 meeting stop motion after damped motion, but, the position of stop motion is uncontrollable, therefore, the present embodiment arranges Manual air-release valves in the lower end of lifting hoistway 101, if the position that lift car 2 stops is not easy to succour the personnel in elevator, manually can exit by vent valve, make lift car 2 move to suitable position, then the personnel in lift car 2 be succoured.
Embodiment 8
The present embodiment provides the control method of Pneumatic elevation ladder described in a kind of any of the above-described embodiment, and described control method is:
1) measure the load in current lift car, and calculate the unlifting pressure needed for driving current car deadweight and load or falling pressure；
2) measure the current gas pressure of confined space, calculate current gas pressure and described unlifting pressure or the pressure difference value of falling pressure；
3) it is moved upwardly or downwardly with control elevator by control instruction is inflated for deflated；
4) judge whether elevator reaches destination, reach, stop, not up to, then return step 3；
The present embodiment Pneumatic elevation ladder control method, when being filled with air in confined space, air pressure gradually increases, when air pressure is more than the gravity summation of the people in lift car and car or article to the thrust of lift car, lift car rises, pressure now is unlifting pressure, when air pressure is less than the gravity summation of the people in described lift car and car or article to the thrust of lift car, lift car declines, pressure now is falling pressure, according to above-mentioned principle, by being filled with in confined space or releasing gas, the raising and lowering of lift car can be driven.
Owing to the thrust of confined space inner air pressure is close with the summation of bearing capacity in lift car and car; when elevator hoistways occurs to destroy; the process of one gradual change during gas pressure change in confined space; make lift car that the rigid collision with other structures will not occur such that it is able to the safety of personnel in protection elevator.
Embodiment 9
The present embodiment provides the control method of the another kind of Pneumatic elevation ladder to each embodiment, and described control method is:
Measure the load in current lift car, and calculate the unlifting pressure needed for driving current car deadweight and load or falling pressure；
Measure the current gas pressure of confined space, calculate current gas pressure and described unlifting pressure or the pressure difference value of falling pressure；
Control elevator by control instruction to be moved upwardly or downwardly；
Calculate and supplement the gas flow being filled with or releasing required for described pressure difference value, be filled with or release the gas of respective amount, close brake unit, control elevator and be moved upwardly or downwardly；
Whether the position measuring current lift car reaches predetermined floor；
Reach, slow down inflated for deflated speed；
Whether the position measuring current lift car reaches destination, when lift car arrives target location, stops inflated for deflated, opens brake unit, controls lift car and stops at target location；
Wherein, during rising, predetermined floor=destination-1, during decline, predetermined floor=destination-1.
Destination in the present embodiment is the floor that passenger is to be arrived, it can thus be appreciated that, in the present embodiment, lift car starts reducing speed putting forward preceding layer, the docking process making lift car becomes steady, simultaneously, it is also possible to make the speed that slow down lift car be also beneficial to the accurate of lift car stop position.
The present embodiment Pneumatic elevation ladder control method, when being filled with air in confined space, air pressure gradually increases, when air pressure is more than the gravity summation of the people in lift car and car or article to the thrust of lift car, lift car rises, pressure now is unlifting pressure, when air pressure is less than the gravity summation of the people in described lift car and car or article to the thrust of lift car, lift car declines, pressure now is falling pressure, according to above-mentioned principle, by being filled with in confined space or releasing gas, the raising and lowering of lift car can be driven.
Owing to the thrust of confined space inner air pressure is close with the summation of bearing capacity in lift car and car; when elevator hoistways occurs to destroy; the process of one gradual change during gas pressure change in confined space; make lift car that the rigid collision with other structures will not occur such that it is able to the safety of personnel in protection elevator.
Above; it is only preferred embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim is defined.
Claims (9)
1. a Pneumatic elevation ladder, including more than two-layer elevator hoistways, runs in elevator hoistways up and down
Lift car and control device, it is characterised in that: described elevator hoistways include the lifting hoistway that is wholely set and
Buffering hoistway, described buffering hoistway is the sealing hoistway of the lower end being positioned at described lifting hoistway；Wherein, lifting
Hoistway upper end is provided with blow vent, and connecting in the lower end of described lifting hoistway has aerating device and means of deflation；Often
Layer hoistway is provided with the elevator door of hermetic seal；
Bottom described lift car, at least it is provided with the seal section coordinated with described elevator hoistways hermetic seal；Described
Being less than the space bottom described lift car in elevator hoistways is confined space；
Described control device is for controlling described aerating device and the startup of means of deflation and stopping, so that elevator
Car reaches the floor specified；
When described aerating device is inflated in confined space and reaches unlifting pressure, described lift car rises；
When described means of deflation exits to reach falling pressure in described confined space, described lift car declines.
2. as claimed in claim 1 Pneumatic elevation ladder, it is characterised in that: described lift car be provided with for
Weigh the weighing device of load-carrying；Also include a baroceptor for pressure in measuring described confined space,
Described baroceptor and weighing device are connected with described control device communication, and described control device controls foundation
Aerating device and means of deflation described in the Data Control of weighing device, baroceptor transmission.
3. Pneumatic elevation is terraced as claimed in claim 2, it is characterised in that: described weighing device includes being arranged on
The cylindrical pressure sensor at car Housing Base center and be arranged on the supporting plate on cylindrical pressure sensor；
Or,
Pulling force sensor that described weighing device includes being arranged on car cover top plate center and with described pulling force
The cage that sensor connects.
4. Pneumatic elevation is terraced as claimed in claim 1 or 2, it is characterised in that: set outside described lift car
Being equipped with brake unit, the position of the corresponding each floor of described elevator hoistways is provided with position sensor, institute's rheme
Putting sensor and described control device communication, described control device controls described according to the signal of position sensor
Brake unit.
5. Pneumatic elevation is terraced as claimed in claim 4, it is characterised in that: described brake unit includes along elevator
Some sub-brake units that car circumference is uniformly arranged, described sub-brake unit include electric magnet, spring and
Arcuate brake sheet；Being provided with groove on the car housing of described lift car, described arcuate brake sheet one end is cut with scissors
Being connected in groove, the two ends of described spring are connected with brake(-holder) block and trench bottom surfaces respectively, and described electric magnet is arranged
In trench bottom surfaces；When the solenoid is energized, described arcuate brake sheet is by adhesive, all in groove, when
During electric magnet power-off, described arcuate brake sheet is ejected by spring, fits with described elevator hoistways；
Or, described elevator hoistways is ferromagnetic conduit, is provided with on the car housing of described lift car
More than one Breake Electromagnet or solenoid.
6. Pneumatic elevation is terraced as claimed in claim 1, it is characterised in that: the cross section of described elevator hoistways is circle
Shape, described elevator hoistways sidewall is provided with at least guiding rib or guide chute, described elevator along axis
On car, guiding rib described in correspondence or guide chute are provided with guide chute or guiding rib, described gathering sill with
Described guiding rib is slidably matched.
7. Pneumatic elevation is terraced as claimed in claim 6, it is characterised in that: it is provided with two on described elevator hoistways
Guide chute described in bar, described lift car is provided with two guiding ribs, described gathering sill and elevator hoistways
Lateral wall insulation connect, the car housing insulation of described guiding rib and described lift car is connected；Described two
Guide chute electrically connects with the both positive and negative polarity of power supply respectively, the control device in described lift car and illumination dress
That puts electrically connects with two guiding ribs.
8. Pneumatic elevation is terraced as claimed in claim 1, it is characterised in that: described car top is provided with ventilation
Mouthful, described elevator hoistways top is provided with air-exchanging chamber, and described air-exchanging chamber connects with ambient atmosphere, described inflation
Two QI KOU of device connect with bottom and the described air-exchanging chamber of described lifting hoistway respectively, described means of deflation
Two QI KOU connect with bottom and the described air-exchanging chamber of described lifting hoistway respectively.
9. Pneumatic elevation is terraced as claimed in claim 1, it is characterised in that: described buffering hoistway bottom is by pipe
Road is communicated with fault aerating device, and described pipeline is provided with check valve；The lower end of described lifting hoistway is also
It is provided with Manual air-release valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620501097.9U CN205634563U (en) | 2016-05-27 | 2016-05-27 | Pneumatic companion ladder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620501097.9U CN205634563U (en) | 2016-05-27 | 2016-05-27 | Pneumatic companion ladder |
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| CN205634563U true CN205634563U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620501097.9U Withdrawn - After Issue CN205634563U (en) | 2016-05-27 | 2016-05-27 | Pneumatic companion ladder |
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| CN (1) | CN205634563U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819309A (en) * | 2016-05-27 | 2016-08-03 | 胡津铭 | Pneumatic elevator and control method |
| CN107285162A (en) * | 2017-08-17 | 2017-10-24 | 四川建筑职业技术学院 | A kind of elevator anti-falling buffer base |
| WO2017201746A1 (en) * | 2016-05-27 | 2017-11-30 | 胡津铭 | Pneumatic lifting elevator and method for controlling same |
| CN114275644A (en) * | 2021-12-17 | 2022-04-05 | 厦门市特种设备检验检测院 | Elevator anti-falling safety brake control device |
-
2016
- 2016-05-27 CN CN201620501097.9U patent/CN205634563U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819309A (en) * | 2016-05-27 | 2016-08-03 | 胡津铭 | Pneumatic elevator and control method |
| WO2017201746A1 (en) * | 2016-05-27 | 2017-11-30 | 胡津铭 | Pneumatic lifting elevator and method for controlling same |
| CN107285162A (en) * | 2017-08-17 | 2017-10-24 | 四川建筑职业技术学院 | A kind of elevator anti-falling buffer base |
| CN114275644A (en) * | 2021-12-17 | 2022-04-05 | 厦门市特种设备检验检测院 | Elevator anti-falling safety brake control device |
| CN114275644B (en) * | 2021-12-17 | 2023-04-28 | 厦门市特种设备检验检测院 | Elevator anti-falling safety braking control device |
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| AV01 | Patent right actively abandoned |