CN218968568U

CN218968568U - Seat elevator overspeed governor test equipment

Info

Publication number: CN218968568U
Application number: CN202223280106.0U
Authority: CN
Inventors: 何文钊; 法尔科·加索
Original assignee: Savaria Huizhou Mechanical Equipment Manufacturing Co Ltd
Current assignee: Savaria Huizhou Mechanical Equipment Manufacturing Co Ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-05-05
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a seat elevator overspeed governor testing device, which comprises an elevator host machine and a control box, wherein a photoelectric encoder, an overspeed governor and a driven gear with the same size and number of teeth as those of the overspeed governor are arranged in the elevator host machine, and the seat elevator overspeed governor testing device has the following beneficial effects: the driven gear with parameters consistent with those of the overspeed governor is arranged, the photoelectric encoder is directly connected with the driven gear, and the speed of the overspeed governor can be obtained by measuring the speed of the driven gear.

Description

Seat elevator overspeed governor test equipment

Technical Field

The utility model relates to the technical field of seat elevator testing equipment, in particular to seat elevator overspeed governor testing equipment.

Background

Along with the continuous deep innovation of recent years, the Chinese economy is rapidly developed, and the life of general people is greatly improved. At present, the society of China is advancing to the aged society, and in addition, the population of China is numerous, the disabled are also numerous, and along with the development of economy, the improvement of common people life and the progress of society, the problem of difficult travel of the people is increasingly concerned by parties, governments and the whole society. Under the social background, a novel stair lifting seat which is installed and operated on the side surface of a stair and can help the old and the disabled to go upstairs and downstairs recently and quietly appears in the market of China. The structure of the seat lift is generally composed of a rail, a driving device and a seat, and the seat lift looks like a chair running on the rail. The stair is mainly used for helping people (disabled people and old people) with inconvenient actions to go up and down stairs in the home.

The overspeed governor of the seat elevator is a safety part, can ensure that the operation speed is proper in the use process of the seat elevator, when the falling speed of the seat elevator is too high, the overspeed governor can trigger the seat elevator to stop, and the too high speed is standard, and if the overspeed governor of the seat elevator is not triggered beyond the speed, the overspeed governor is not qualified. During the manufacturing process, we have to measure the triggering speed of the overspeed governor before it is installed to confirm whether it is acceptable or not, so that the safety of the user can be ensured, so a seat elevator overspeed governor testing device is a necessary device for producing an acceptable seat elevator overspeed governor.

Disclosure of Invention

The utility model aims to provide a seat elevator overspeed governor testing device which can test whether an overspeed governor is qualified or not, ensures the safety of a user and has wide market prospect.

In order to achieve the above purpose, the technical scheme of the utility model provides seat elevator overspeed governor testing equipment, which comprises an elevator host and a track, wherein the elevator host is arranged on the track, a transverse shaft is arranged in the elevator host, a driven gear sleeved on the transverse shaft and a photoelectric encoder are arranged in the elevator host, an overspeed governor is arranged on a threaded shaft of the elevator host, teeth of the driven gear and the overspeed governor are fitted with teeth on the track, and the photoelectric encoder is electrically connected with a control box. The photoelectric encoder is used for measuring the maximum speed of the elevator host machine in the test process so as to test whether the overspeed governor can effectively control the speed, and the control box can display the maximum speed fed back by the photoelectric encoder and display whether the test is passed.

Further, the photoelectric encoder is provided with two parts, one part is a rotating end and the other part is a fixed end.

Further, a groove is formed in the rotating end of the photoelectric encoder, the groove is matched with the transverse shaft of the elevator host in size, and the rotating end groove of the photoelectric encoder is sleeved on the transverse shaft and can rotate relative to the transverse shaft.

Further, the fixed end of the photoelectric encoder is provided with at least one screw hole, and the photoelectric encoder is fixed on the elevator host machine by penetrating through the screw hole through a screw.

Further, the driven gear is consistent with the gear of the overspeed governor in size and number of teeth, and the driven gear is consistent with the gear module and number of teeth of the overspeed governor and meshed with the rack at the same time, so that the speed of the driven gear is consistent with the speed of the overspeed governor to be tested during testing.

Further, the overspeed governor is secured to the elevator machine using a threaded shaft and a nut.

Further, the track is arranged on the stairs, and the control box is arranged on the steps of the stairs.

In summary, the device provided by the utility model has reasonable structural design, and has the following beneficial effects by applying the technical scheme of the utility model: the utility model has the advantages of convenient use, simple structural design and low cost. The overspeed governor can be conveniently switched to test by combining with the product, so that the overspeed governor can be fully inspected before leaving the factory.

Drawings

Fig. 1 is a schematic perspective view of a first perspective of the elevator overspeed governor testing apparatus of the present utility model;

fig. 2 is a schematic perspective view of a second perspective of the elevator overspeed governor testing apparatus of the present utility model;

fig. 3 is a schematic view of an exploded construction of the test apparatus for a seat elevator overspeed governor of the present utility model;

fig. 4 is a schematic perspective view of a photoelectric encoder of the overspeed governor testing apparatus of the seat elevator of the present utility model;

reference numerals illustrate: 1-overspeed governor; 2-driven gears; 3-racks; 4-photoelectric encoder, 401-rotating end, 402-fixed end; 5-track; 6-stairs; 7-a threaded shaft; 8-a nut; 9, a control box; 10-grooves; 11-screw holes; 12-horizontal axis.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, but the scope of protection of the present utility model is not limited.

Referring to fig. 1 to 3, the present embodiment provides a seat elevator overspeed governor testing apparatus, including an elevator host and a track 5, the elevator host is disposed on the track 5, a cross shaft 12 is disposed in the elevator host, a driven gear 2 and a photoelectric encoder 4 sleeved on the cross shaft 12 are disposed in the elevator host, an overspeed governor 1 is disposed on a threaded shaft 7 of the elevator host, teeth of the driven gear 2 and the overspeed governor 1 are fitted with teeth on the track 5, and the photoelectric encoder 4 is electrically connected with a control box 9. The test of the test equipment simulates that the seat elevator loses power and freely slides off, so that the speed in the test process is faster and faster, the overspeed governor 1 is triggered to stop when the speed reaches a certain limit, and whether the instantaneous speed before stopping meets the standard or not is required to be concerned in the process, so that the photoelectric encoder 4 is used for measuring the maximum speed of the elevator host in the test process so as to test whether the overspeed governor 1 can effectively control the speed or not. The driven gear 2 sleeved on the transverse shaft 12 is arranged in the elevator main machine, and considering that the overspeed governor 1 to be tested needs to be switched, if the photoelectric encoder 4 is directly connected with the driven gear 2, the switching is time-consuming and the photoelectric encoder 4 is easy to damage, so that the driven gear 2 is arranged to be convenient to switch. The photoelectric encoder 4 is physically connected with the driven gear 5, the photoelectric encoder 4 and the driven gear 5 are connected on the same shaft, the control box 9 is electrically connected with the photoelectric encoder 4, the photoelectric encoder 4 obtains the maximum speed feedback to the control box 9 in the testing process through the driven gear 5, the control box 9 can set the qualified speed in the testing process, and after comparing the maximum speed with the qualified speed, the control box 9 displays the maximum speed fed back by the photoelectric encoder 4 and displays whether the test is passed or not.

Preferably, the driven gear 2 is identical in size and number of teeth to the gear of the overspeed governor 1, and the driven gear 2 is identical in modulus and number of teeth to the gear of the overspeed governor 1 and meshed with the rack 3, so that the speed of the driven gear 2 at the time of testing is identical to the speed of the overspeed governor 1 to be tested, and the speed of the overspeed governor 1 can be obtained by measuring the speed of the driven gear 2 by connecting the photoelectric encoder 4 to the driven gear 2.

Specifically, referring to fig. 4, the photoelectric encoder 4 is provided with two parts, one part is a rotating end 401 and the other part is a fixed end 402, the rotating end 401 of the photoelectric encoder 4 can indirectly obtain the speed of the measured object, and the fixed end 402 is used for being fixed on the elevator host; the rotating end 401 of the photoelectric encoder 4 is provided with a groove 10, the groove 10 is matched with the transverse shaft 12 of the elevator host in size, and the groove 10 of the rotating end 401 of the photoelectric encoder 4 is sleeved on the transverse shaft 12 and can rotate relative to the transverse shaft 12; the fixed end 402 of the photoelectric encoder 4 is provided with at least one screw hole 11, and the photoelectric encoder 4 is fixed on the elevator host machine by adopting a screw to pass through the screw hole 11. The photoelectric encoder 4 and the driven gear 5 are physically connected, the rotating ends 401 of the photoelectric encoder 4 and the driven gear 5 are connected on the same shaft, and all the photoelectric encoders 4 can indirectly obtain the speed of the tested object.

Specifically, overspeed governor 1 is secured to the elevator machine using threaded shaft 7 and nut 8.

Specifically, control box 9 sets up on the step of stair 6, and track 5 sets up on stair 6, and the elevator host computer sets up on track 5, and the track 5 operation of elevator host computer on stair 6 in the in-service use can produce corresponding deformation, simulate near environment and test can reduce the error.

Preferably, the control box 9 is a touch screen control box 9, the touch screen can adjust the switching interface, and the qualified speed is set, so that the operation is simpler and faster.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims

1. The utility model provides a seat elevator overspeed governor test equipment, includes elevator host computer and track, the elevator host computer sets up on the track, be provided with the cross axle in the elevator host computer, its characterized in that: the elevator is characterized in that a driven gear and a photoelectric encoder sleeved on a transverse shaft are further arranged in the elevator host, an overspeed governor is arranged on a threaded shaft of the elevator host, teeth of the driven gear and the overspeed governor are matched with teeth on the track, and the photoelectric encoder is electrically connected with the control box.

2. A seat elevator overspeed governor testing apparatus according to claim 1, characterized in that: the photoelectric encoder is provided with two parts, one part is a rotating end and the other part is a fixed end.

3. A seat elevator overspeed governor testing apparatus according to claim 2, characterized in that: the rotating end of the photoelectric encoder is provided with a groove, the groove is matched with the transverse shaft of the elevator host, and the rotating end groove of the photoelectric encoder is sleeved on the transverse shaft and can rotate relative to the transverse shaft.

4. A seat elevator overspeed governor testing apparatus according to claim 2, characterized in that: the fixed end of the photoelectric encoder is provided with at least one screw hole, and the photoelectric encoder is fixed on the elevator host machine by penetrating through the screw hole through a screw.

5. A seat elevator overspeed governor testing apparatus according to claim 1, characterized in that: the driven gear is consistent with the gear of the overspeed governor in size and number of teeth.

6. A seat elevator overspeed governor testing apparatus according to claim 1, characterized in that: the overspeed governor is fixed on the elevator host machine by adopting a threaded shaft and a nut.

7. A seat elevator overspeed governor testing apparatus according to claim 1, characterized in that: the track is arranged on the stairs, and the control box is arranged on the steps of the stairs.