CN212531893U

CN212531893U - Elevator car buffer control device

Info

Publication number: CN212531893U
Application number: CN202021156481.2U
Authority: CN
Inventors: 李磊
Original assignee: Beijing Railway Elevator Engineering Co ltd
Current assignee: Beijing Railway Elevator Engineering Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-02-12
Anticipated expiration: 2030-06-19

Abstract

The application relates to the technical field of elevators, in particular to an elevator car buffer control device, which comprises a base and a buffer plate arranged above the base, wherein a scissor mechanism is arranged between the base and the buffer plate, the scissor mechanism comprises a first support rod and a second support rod which are hinged with each other, the first support rod and the second support rod are arranged in a cross mode, and two ends of the first support rod and the second support rod are arranged on the base and the buffer plate in a sliding mode respectively; the two groups of shear mechanisms are respectively arranged on two sides of the base, two first connecting rods are connected between the two first supporting rods and respectively located at two ends of the first supporting rods, two second connecting rods are connected between the two second supporting rods and respectively located at two ends of the second supporting rods, a plurality of buffer springs are arranged between the first connecting rods and the second connecting rods, and the stretching directions of the buffer springs are parallel to the surface of the base.

Description

Elevator car buffer control device

Technical Field

The application relates to the technical field of elevators, in particular to an elevator car buffer control device.

Background

An elevator is a permanent transport device serving several specific floors in a building, moving in an elevator shaft, whose car runs on at least two rows of rigid rails running perpendicular to the horizontal or at an angle of inclination less than 15 ° to the vertical. Elevators are being used more and more widely in various buildings. The reliability and safety of elevators are closely related to the life safety of passengers, and therefore elevators need to be equipped with necessary safety detection and safety devices, such as elevator buffers. The buffer is the last link of the elevator safety system and plays a role in buffering when the elevator breaks down or is squat due to an accident. Thus relieving the elevator or the people in the elevator from direct impact.

Chinese patent application with application number CN201820222967.8 discloses a buffer structure that prevents falling of elevator car, include the elevator passageway and set up the elevator car in the elevator passageway, all be equipped with the stopper on the lateral wall about the elevator car, set up on the inner wall of elevator passageway with the corresponding spout of stopper, the bottom of elevator car is through the first buffer board of first spring fixedly connected with, elevator car's bottom still is equipped with first buffer block, the bottom passes through second spring fixedly connected with second buffer board in the elevator passageway, the even cover of lower surface of first buffer board has first buffer layer, the even cover of upper surface of second buffer board has the second buffer layer, the bottom is equipped with the polyurethane pad in the elevator car, the top of polyurethane pad is equipped with car bottom plate.

The first spring and the second spring in the above patent application may be skewed in the horizontal direction when compressed, resulting in poor cushioning effect and insufficient stability.

SUMMERY OF THE UTILITY MODEL

In order to improve stability and buffering effect, this application provides elevator car buffer control device.

The application provides an elevator car buffer control device adopts following technical scheme:

the elevator car buffer control device comprises a base and a buffer plate arranged above the base, wherein a shear mechanism is arranged between the base and the buffer plate and comprises a first supporting rod and a second supporting rod which are hinged with each other, the first supporting rod and the second supporting rod are arranged in a cross mode, and two ends of the first supporting rod and the second supporting rod are arranged on the base and the buffer plate in a sliding mode respectively; the two groups of shear mechanisms are respectively arranged on two sides of the base, two first connecting rods are connected between the two first supporting rods and respectively located at two ends of the first supporting rods, two second connecting rods are connected between the two second supporting rods and respectively located at two ends of the second supporting rods, a plurality of buffer springs are arranged between the first connecting rods and the second connecting rods, and the stretching directions of the buffer springs are parallel to the surface of the base.

Through adopting above-mentioned technical scheme, the buffer board makes the buffer board remove towards the direction that is close to the base after receiving elevator car's impact. In the process that the buffer board removed, first bracing piece and second bracing piece gradually approached to the collineation for first connecting rod and second connecting rod on same horizontal plane are kept away from each other, thereby make buffer spring between first connecting rod and the second connecting rod stretched, have avoided appearing the crooked condition that leads to when buffer spring is compressed, have guaranteed buffering shock attenuation effect.

The application is further configured to: a plurality of first dampers are arranged between the first connecting rod and the second connecting rod, and the first dampers are sleeved in the buffer spring.

Through adopting above-mentioned technical scheme, the attenuator is one kind can provide the motion resistance, the device of the energy of wasting the motion, and the impact and the vibration that the buffer board received can be absorbed to the first attenuator setting between first connecting rod and second connecting rod.

The application is further configured to: the base and the both sides of buffer plate are seted up and are all seted up the spout, the both ends of first bracing piece, second bracing piece all articulate there is the slider, the slider slides and sets up in the spout.

Through adopting above-mentioned technical scheme, the effect of direction and restriction has been produced to the removal of first bracing piece and second bracing piece under the cooperation of spout and slider for the both ends of first bracing piece and second bracing piece are difficult for taking place the skew when removing on base and buffer board, have promoted stability.

The application is further configured to: the spout is T type groove, the slider is the T type piece with spout assorted.

Through adopting above-mentioned technical scheme, the slider is more steady when moving in the spout of T type, and the slider is difficult for droing from the spout, has guaranteed the stationarity when the slider moves.

The application is further configured to: the base and the buffer plate are fixedly provided with flanges along the edges, the sliding block is provided with a second damper, and two ends of the second damper are fixedly connected with the sliding block and the flanges respectively.

Through adopting above-mentioned technical scheme, the buffer board receives when strikeing and remove towards being close to the base, and the interval between first connecting rod and the second connecting rod increases, and the slider removes towards the direction that is close to the turn-ups along the spout for second attenuator on the slider is compressed, thereby makes the trend of buffer board downstream weaken.

The application is further configured to: a plurality of rubber bumps are fixedly arranged on the base.

Through adopting above-mentioned technical scheme, rubber bump can play the effect of protection to the scissor mechanism between base and the buffer board, prevents that the distance between base and the buffer board is too close.

The application is further configured to: the buffer plate is provided with a damping plate, and the damping plate is of a honeycomb structure.

Through adopting above-mentioned technical scheme, the shock attenuation board of honeycomb structure can absorb vibration and impact, has played the absorbing effect.

The application is further configured to: a first reinforcing rod is arranged between the two first connecting rods, and two ends of the first reinforcing rod are rotatably connected with the first connecting rods; and a second reinforcing rod is arranged between the two second connecting rods, and two ends of the second reinforcing rod are rotatably connected with the second connecting rods.

Through adopting above-mentioned technical scheme, first anchor strut and second anchor strut have played reinforced (rfd) effect for between two first connecting rods and between two second connecting rods more firm, strengthened structural stability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the buffer plate is impacted, the buffer plate moves towards the direction close to the base, so that the distance between the first connecting rod and the second connecting rod is enlarged, the buffer spring is stretched, and the impact and the vibration are relieved;

2. through set up first attenuator between first connecting rod and second connecting rod, set up the second attenuator between slider and turn-ups, promoted the buffering shock attenuation effect of this application.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the present application in a cut-away state.

Fig. 3 is a schematic view of the present application taken from another angle.

Reference numerals: 11. a base; 12. a buffer plate; 13. a chute; 14. flanging; 15. a rubber bump; 16. a damper plate; 21. a first support bar; 22. a second support bar; 23. a slider; 31. a first link; 32. a second link; 4. a buffer spring; 51. a first damper; 52. a second damper; 61. a first reinforcing bar; 62. a second reinforcing bar.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses elevator car buffer control device. Referring to fig. 1 and 2, the elevator car damping control apparatus includes a base 11 and a damping plate 12 disposed above the base 11. The surface of the base 11 and the surface of the buffer plate 12 are parallel to each other. A scissor mechanism is provided between the base 11 and the buffer plate 12. The scissor mechanism comprises a first support bar 21 and a second support bar 22 hinged to each other. The first support bar 21 and the second support bar 22 are disposed to cross each other. Two ends of the first supporting rod 21 are slidably arranged on the base 11 and the buffer plate 12 respectively. Two ends of the second support rod 22 are slidably disposed on the base 11 and the buffer plate 12, respectively.

Referring to fig. 1 and 2, the scissors are provided in two sets, and the two sets are respectively provided on both sides of the base 11. Two first links 31 are fixedly disposed between the two first support rods 21. The two first links 31 are respectively located at two ends of the first support rod 21, and the axis of the first support rod 21 and the axis of the first link 31 are perpendicular to each other. Two second connecting rods 32 are fixedly arranged between the two second supporting rods 22. The two second connecting rods 32 are respectively located at two ends of the second supporting rod 22, and the axis of the second supporting rod 22 is perpendicular to the axis of the second connecting rods 32.

A plurality of buffer springs 4 are fixedly provided between the first link 31 and the second link 32. The extension direction of the buffer springs 4 is parallel to the surface of the base 11, so that the plurality of buffer springs 4 are all arranged in the horizontal direction.

After the impact is applied to the buffer plate 12, the buffer plate 12 moves toward the direction approaching the base 11, so that the angle formed between the first support rod 21 and the second support rod 22 increases, and the first link 31 and the second link 32 move away from each other, thereby allowing the buffer spring 4 to be stretched. Compared with the related art mentioned in the background art, the buffer spring 4 is stretched in the process of absorbing vibration and impact, so that the deflection condition possibly generated in the process of being compressed is avoided, and the buffer and shock absorption effects are ensured.

Referring to fig. 2 and 3, in order to further enhance the buffering and shock absorbing capacity, a plurality of first dampers 51 are disposed between the first link 31 and the second link 32, and both ends of the first dampers 51 are fixedly connected to the first link 31 and the second link 32, respectively. The first dampers 51 correspond to the buffer springs 4 one by one, and the first dampers 51 are sleeved in the buffer springs 4. When the buffer spring 4 is stretched, the first damper 51 is also stretched at the same time, and the shock and vibration are damped.

Referring to fig. 2 and 3, a sliding groove 13 is formed on a surface of the base 11 and the buffer plate 12 adjacent to each other, and both ends of the sliding groove 13 are closed. The sliding grooves 13 on the base 11 are respectively located at both sides, and the sliding grooves 13 on the buffer plate 12 are respectively located at both sides. The two ends of the first support rod 21 and the second support rod 22 are hinged with sliding blocks 23, and the sliding blocks 23 are arranged in the sliding grooves 13 in a sliding mode.

Further, referring to fig. 2 and 3, in order to make the sliding block 23 move more stably in the sliding groove 13, the sliding groove 13 is provided as a T-shaped groove, and the sliding block 23 is provided as a T-shaped block matched with the sliding groove 13, so that the sliding block 23 is not easy to disengage when moving in the sliding groove 13.

Referring to fig. 2 and 3, in order to further enhance the cushioning effect, a flange 14 is integrally formed on each of the base 11 and the cushioning plate 12. The flanges 14 of the base 11 and the cushioning plate 12 are disposed along the edges, and the flanges 14 of the base 11 and the flanges 14 of the cushioning plate 12 extend in directions approaching each other. The slider 23 is provided with second dampers 52, and the second dampers 52 correspond to the sliders 23 one by one. One end of the second damper 52 is fixedly connected with the slider 23, and the other end is fixedly connected with the flange 14. The longitudinal direction of the second damper 52 is the same as the groove length direction of the slide groove 13.

When the cushion plate 12 is impacted and moves toward the base 11, the second damper 52 is compressed to absorb the vibration and impact and reduce the impact.

Further, referring to fig. 2 and 3, in order to enhance the buffering effect and limit the moving distance of the buffering plate 12, a plurality of rubber bumps 15 are fixedly provided on the base 11. When the buffer plate 12 is impacted and moves downwards, the buffer plate 12 can abut against the rubber bump 15, so that the slide block 23 on the buffer plate 12 does not collide with the slide block 23 on the base 11.

Referring to fig. 2 and 3, in order to enhance the buffering and shock absorption effects, a shock absorption plate 16 is fixedly disposed on the buffer plate 12, and the shock absorption plate 16 has a honeycomb structure and can absorb vibration and reduce impact.

Referring to fig. 2, in order to enhance the stability of the apparatus, a first reinforcing rod 61 is disposed between the two first connecting rods 31, and both ends of the first reinforcing rod 61 are rotatably connected to the first connecting rods 31, respectively. A second reinforcing rod 62 is arranged between the two second connecting rods 32, and two ends of the second reinforcing rod 62 are respectively connected with the second connecting rods 32 in a rotating manner. The first and second reinforcing

rods

61 and 62 are not in one plane so that the first and second reinforcing

rods

61 and 62 do not interfere with each other when turned upside down.

The implementation principle of the embodiment of the application is as follows: this device sets up in the bottom of elevator well, and when elevator car fell on shock attenuation board 16, certain deformation took place for shock attenuation board 16, produced certain buffering shock attenuation effect to elevator car. The buffer plate 12 moves toward the direction approaching the base 11 under the pressure of the elevator car, and the distance between the first link 31 and the second link 32 in the horizontal direction gradually increases, so that the buffer spring 4 and the first damper 51 are extended and the second damper 52 is compressed. The buffer spring 4, the first damper 51 and the second damper 52 together damp and absorb the impact caused by the elevator car.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Elevator car buffer control device, its characterized in that: the buffer device comprises a base (11) and a buffer plate (12) arranged above the base (11), wherein a scissor mechanism is arranged between the base (11) and the buffer plate (12), the scissor mechanism comprises a first support rod (21) and a second support rod (22) which are hinged to each other, the first support rod (21) and the second support rod (22) are arranged in a crossed manner, and two ends of the first support rod (21) and the second support rod (22) are respectively arranged on the base (11) and the buffer plate (12) in a sliding manner; the shearing mechanism is provided with two sets which are respectively arranged on two sides of the base (11), two first connecting rods (31) are connected between the first supporting rods (21), the first connecting rods (31) are respectively positioned at two ends of the first supporting rods (21), two second connecting rods (32) are connected between the second supporting rods (22), the second connecting rods (32) are respectively positioned at two ends of the second supporting rods (22), a plurality of buffer springs (4) are arranged between the first connecting rods (31) and the second connecting rods (32), and the stretching directions of the buffer springs (4) are parallel to the surface where the base (11) is positioned.

2. The elevator car damping control device of claim 1, wherein: a plurality of first dampers (51) are arranged between the first connecting rod (31) and the second connecting rod (32), and the first dampers (51) are sleeved in the buffer spring (4).

3. The elevator car damping control device of claim 1, wherein: both sides of base (11) and buffer board (12) are seted up and are all seted up spout (13), the both ends of first bracing piece (21), second bracing piece (22) all articulate there is slider (23), slider (23) slide and set up in spout (13).

4. The elevator car damping control device of claim 3, wherein: the sliding groove (13) is a T-shaped groove, and the sliding block (23) is a T-shaped block matched with the sliding groove (13).

5. The elevator car damping control device of claim 3, wherein: the base (11) and the buffer plate (12) are fixedly provided with flanges (14) along the edges, the sliding block (23) is provided with a second damper (52), and two ends of the second damper (52) are fixedly connected with the sliding block (23) and the flanges (14) respectively.

6. The elevator car damping control device of claim 1, wherein: a plurality of rubber bumps (15) are fixedly arranged on the base (11).

7. The elevator car damping control device of claim 1, wherein: the damping plate (16) is arranged on the buffer plate (12), and the damping plate (16) is of a honeycomb structure.

8. The elevator car damping control device of claim 1, wherein: a first reinforcing rod (61) is arranged between the two first connecting rods (31), and two ends of the first reinforcing rod (61) are rotatably connected with the first connecting rods (31); a second reinforcing rod (62) is arranged between the two second connecting rods (32), and two ends of the second reinforcing rod (62) are rotatably connected with the second connecting rods (32).