CN215755792U

CN215755792U - Flat-layer limiting safety device for platform elevator

Info

Publication number: CN215755792U
Application number: CN202122316421.3U
Authority: CN
Inventors: 牟堂轩
Original assignee: Eysar Elevator Co ltd
Current assignee: Eysar Elevator Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-08
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to a leveling limiting safety device for a platform elevator, which comprises a host machine for driving a manned platform to lift, and further comprises a reading head, a magnetic scale and a controller, wherein the reading head is arranged on the manned platform, the magnetic scale is arranged along the length direction of an elevator shaft and is close to the reading head, and the controller is electrically connected with the host machine and the reading head. The elevator leveling device is only provided with a reading head which is matched with a magnetic scale to monitor the position and the moving speed of the manned platform, and the host is controlled by the controller, so that the function of the leveling device is realized, the occupied space is small, and the elevator leveling device can be suitable for the installation condition of a platform elevator.

Description

Flat-layer limiting safety device for platform elevator

Technical Field

The utility model relates to the field of elevators, in particular to a flat-layer limiting safety device for a platform elevator.

Background

Domestic villa elevator uses extensively at present, but at present in a lot of villa buildings, does not reserve the elevator well, consequently need reform transform the villa building, forms the elevator well to installation guide rail in the elevator well could be with manned platform slidable mounting in the elevator well.

Because the space for installing the elevator in the villa is narrower, the platform elevator is generally installed in the villa at present, but when the platform elevator is installed, a leveling device and a control device for monitoring the position and the moving speed of the manned platform need to be installed in the elevator so as to realize the accurate stop of the elevator. The traditional leveling device needs to utilize a limit switch, occupies a large space and is generally difficult to be suitable for the installation condition of the platform elevator.

Therefore, how to design the leveling device adaptive to the platform elevator and control the manned platform of the platform elevator to stop at the leveling position accurately is a problem to be solved urgently in the field of the platform elevator at present.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies of the prior art, it is an object of the present invention to provide a landing gear for a flat bed elevator that solves one or more of the problems of the prior art.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a spacing safety device of flat bed for platform elevator, is including being used for driving the host computer that manned platform goes up and down, still includes reading head, magnetic scale and controller, the reading head is installed on manned platform, the magnetic scale sets up along the length direction of elevator well, just the magnetic scale is close to the setting of reading head, the controller with the host computer and the first electric connection of reading.

Further, still including installing the barrel at manned platform, the reading head sets up on the barrel, the magnetic scale passes the barrel.

Furthermore, the magnetic scale is not abutted against the inner wall of the cylinder.

Further, still including installing the fixed subassembly on the well inner wall, the magnetic scale is installed on the fixed subassembly.

Further, fixed subassembly includes first support, the top of magnetic scale with first support is connected.

Furthermore, the fixing component also comprises a heavy hammer, and the heavy hammer is connected to the bottom end of the magnetic scale.

Further, the fixed component also comprises a second support, and the bottom end of the magnetic scale penetrates through the second support.

Further, still include safety tongs, safety tongs and guide rail cooperation, safety tongs with controller electric connection.

Furthermore, the safety gear is an electromagnetic safety gear.

Further, the controller is arranged on the manned platform.

Compared with the prior art, the utility model has the following beneficial technical effects:

(one) install the reading head on manned platform, and install the magnetic scale in the elevator well, utilize the reading head to detect the magnetic wave on the magnetic scale, with signal transmission to controller during the reading head detects the magnetic wave, the controller counts the magnetic wave that the reading head detected, and calculate the lift distance that obtains manned platform according to the magnetic wave interval accuracy of magnetic scale, and judge whether the manned platform is the flat bed, afterwards, controller control host computer stop operation, can be with the accurate position of stopping at the flat bed of manned platform. In this scheme, only set up reading head and magnetic scale cooperation, monitor manned platform's position and translation rate to through controller control host computer, realize the function of flat bed device, occupation space is less, can be applicable to the installation condition of platform elevator.

(II) pass the barrel with the magnetic scale, when the reading head read the magnetic wave on the magnetic scale, the position of barrel restriction magnetic scale can hinder the magnetic scale swing, improves the reading head and reads the accuracy of magnetic wave.

And (III) the heavy hammer can tension the magnetic scale, so that the magnetic scale is kept to be arranged along the vertical direction, the magnetic scale is prevented from being bent, and the accuracy of reading magnetic waves by the reading head is improved.

And the (fourth) second support is used for limiting the position of the bottom end of the magnetic scale, so that the magnetic scale can be ensured to swing along the vertical direction, and the magnetic scale is prevented from being interfered.

And (V) the controller can calculate the lifting speed of the manned platform according to the lifting distance of the manned platform and the elapsed time data. When the lifting speed is too high, the controller can control the safety gear to lock the guide rail, so that the position of the manned platform can be locked, and the safety of the lifting platform during operation is ensured.

Drawings

Fig. 1 shows a schematic structural diagram of a landing limit safety device of a platform elevator in an embodiment of the utility model;

fig. 2 shows a top view of a landing level limiting safety device of an embodiment of the utility model.

In the drawings, the reference numbers:

1. an elevator hoistway; 11. a host; 12. a guide rail; 2. a magnetic scale; 21. a first bracket; 22. a second bracket; 23. a weight; 3. a manned platform; 31. a controller; 32. a barrel; 33. safety tongs.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the flat-bed limit safety device for a platform elevator according to the present invention will be described in detail with reference to the accompanying drawings and the following detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.

Examples

Referring to fig. 1 and 2, the present application provides a landing limiting safety device for a platform elevator, which includes a main machine 11 installed at the top end of an elevator shaft 1, wherein the main machine 11 is used for driving a passenger platform 3 to ascend and descend. A magnetic scale 2 is installed in the elevator shaft 1, and the magnetic scale 2 is arranged along the length direction of the elevator shaft 1. The manned platform 3 is provided with a reading head (not shown in the figure) and a controller 31, the reading head is close to the magnetic scale 2, and the controller 31 is electrically connected with the reading head and the host 11 through cables.

In this embodiment, manned platform 3 and the slide rail sliding fit in elevator well 1, host computer 11 are the motor, and host computer 11 drives manned platform 3 through screw rod driven side and goes up and down. It should be noted that the controller 31 may be mounted on the inner wall of the elevator shaft 1.

Along with manned platform 3's lift, the reading head can read the magnetic wave on the magnetic scale 2, and controller 31 calculates manned platform 3's lift distance according to the quantity that the reading head detected the magnetic wave and the interval of magnetic wave on the magnetic scale 2, and then learns manned platform 3 and whether reach the position of flat bed.

Referring to fig. 1, a cylinder 32 is further mounted on the people carrying platform 3, the cylinder 32 is disposed in a vertical direction, a middle hole of the cylinder 32 is used for the magnetic scale 2 to pass through, and the reading head is mounted on the cylinder 32.

Referring to fig. 1, further, the magnetic scale 2 does not abut against the inner wall of the cylinder 32, so that when the people carrying platform 3 is lifted, the resistance to relative movement between the magnetic scale 2 and the cylinder 32 can be reduced. The cylinder 32 is used for limiting the position of the magnetic scale 2, preventing the magnetic scale 2 from swinging, and improving the accuracy of reading magnetic waves by the reading head.

Referring to fig. 1, the magnetic scale further includes a fixing component mounted on an inner wall of the hoistway, and the fixing component is used for mounting the magnetic scale 2. The fixing assembly includes a first bracket 21, a second bracket 22 and a weight 23, and the first bracket 21 and the second bracket 22 are bolted on the inner side wall of the elevator shaft 1. The first bracket 21 is provided with a mounting piece which is matched with the first bracket 21 to clamp the top end of the magnetic scale 2; the second bracket 22 is provided with a through hole (not shown) along the vertical direction, and the bottom end of the magnetic scale 2 passes through the through hole and is fixedly connected with the weight 23.

Referring to fig. 1, the weight 23 is matched with the second support 22, the second support 22 can limit the position of the bottom end of the magnetic scale 2, so as to ensure that the magnetic scale 2 swings along the vertical direction, and prevent the magnetic scale 2 from being interfered, and the weight 23 can tension the magnetic scale 2, so that the magnetic scale 2 keeps the vertical direction, thereby preventing the magnetic scale 2 from bending, and improving the accuracy of reading magnetic waves by the reading head. Of course, instead of using the weight 23, an elastic member may be connected to the bottom end of the magnetic scale 2, and the other end of the elastic member may be connected to the bottom end of the elevator shaft 1, so as to tighten the magnetic scale 2 and prevent the magnetic scale 2 from bending.

Referring to fig. 1 and 2, further, a safety gear 33 is further installed on the people carrying platform 3, in this embodiment, the safety gear 33 is an electromagnetic safety gear 33, and naturally, other types of safety gears 33 may be selected during actual use. Safety tongs 33 and controller 31 electric connection, controller 31 is according to the distance that manned platform 3 goes up and down and the time of using, can calculate the speed that obtains manned platform 3 goes up and down, the staff can predetermine manned platform 3's safe elevating speed in controller 31, when manned platform 3's elevating speed is higher than the safe elevating speed who sets for, controller 31 can control safety tongs 33 work, safety tongs 33 chucking guide rail 12, brake manned platform 3, can stop manned platform 3 safety, guarantee manned platform 3's safety in utilization.

The working principle is as follows:

in this scheme, install reading head and magnetic scale 2 respectively at manned platform 3 and elevator well 1, utilize the reading head to detect the magnetic wave on the magnetic scale 2, controller 31 counts the magnetic wave that the reading head detected to accurate calculation obtains manned platform 3's lift distance, judges manned platform 3 whether the flat bed. When the people carrying platform 3 reaches the position of the flat floor, the controller 31 controls the main machine 11 to stop running, and the people carrying platform 3 is accurately stopped at the position of the flat floor. In this scheme, only set up reading head and magnetic scale 2 cooperation, monitor manned platform 3's position and translation rate to through controller 31 control host computer 11, realize the function of flat bed device, occupation space is less, can be applicable to the installation condition of platform elevator.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a spacing safety device of flat bed for platform elevator, is including being used for driving the host computer that manned platform goes up and down, its characterized in that: still include reading head, magnetic scale and controller, the reading head is installed on manned platform, the magnetic scale sets up along the length direction of elevator well, just the magnetic scale is close to the reading head sets up, the controller with the host computer and reading head electric connection.

2. The landing limit safety device for a landing elevator as claimed in claim 1, wherein: still including installing the barrel at manned platform, the reading head sets up on the barrel, the magnetic scale passes the barrel.

3. The landing limit safety device for a landing elevator as claimed in claim 2, wherein: the magnetic scale is not abutted against the inner wall of the cylinder body.

4. The landing limit safety device for a landing elevator as claimed in claim 1, wherein: still including installing the fixed subassembly on the well inner wall, the magnetic scale is installed on the fixed subassembly.

5. The landing gear of claim 4, wherein: the fixed component comprises a first support, and the top end of the magnetic scale is connected with the first support.

6. The landing gear of claim 5, wherein: the fixing component further comprises a heavy hammer, and the heavy hammer is connected to the bottom end of the magnetic scale.

7. The landing limit safety device for a landing elevator as claimed in claim 6, wherein: the fixed component further comprises a second support, and the bottom end of the magnetic scale penetrates through the second support.

8. The landing limit safety device for a landing elevator as claimed in claim 1, wherein: still include safety tongs, safety tongs and guide rail cooperation, safety tongs with controller electric connection.

9. The landing gear of claim 8, wherein: the safety gear is an electromagnetic safety gear.

10. The landing limit safety device for a landing elevator as claimed in claim 1, wherein: the controller is arranged on the manned platform.