Elevator landing buffer protection device

Abstract

The utility model discloses an elevator landing buffer protection device, which relates to the technical field of elevators and comprises a base, four hydraulic buffers are mounted at the top of the base, a supporting mechanism is mounted at the tops of the four hydraulic buffers, and the supporting mechanism comprises a first supporting plate and a second supporting plate. The first supporting plate is installed at the top ends of the four hydraulic buffers, two guide rods are fixedly installed at the positions, close to the two sides and the front end and the rear end, of the bottom of the second supporting plate, the peripheries of the guide rods are sleeved with first springs, and rubber rings are installed at the positions, located outside the guide rods, of the top of the first supporting plate. The four hydraulic buffers are arranged in a matrix mode, and the first supporting plate is fixedly connected with telescopic rods of the hydraulic buffers. Pre-buffering can be provided for the elevator car, the collision force of the elevator car is reduced, meanwhile, three-level buffering is provided, the supporting force on the elevator car is gradually increased, and the buffering effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, and particularly relates to an elevator landing buffer protection device. Background Technique

[0002] During the operation of the elevator, when a failure or abnormal situation occurs, in order to prevent the elevator car from falling, the safety gear will be used for braking to clamp the elevator car on the guide rail. When all the safety devices of the elevator fail, the elevator car will fall, causing a safety accident. In order to further improve the safety of the elevator, it is necessary to set up buffer protection in the elevator pit. This solution specifically relates to an elevator landing buffer protection device;

[0003] When the elevator landing buffer protection device is in use, when the elevator car lands, it generates a large impact force, the buffer support is unevenly stressed, it is not convenient to provide pre-buffering to reduce the collision during contact, and the impact sound is relatively large. It is not convenient to gradually increase the force supporting the elevator car, reducing the buffering effect. Content of the Utility Model

[0004] The main purpose of the utility model is to provide an elevator landing buffer protection device, which can effectively solve the technical problems in the background technique that "when the elevator car lands, it generates a large impact force, the buffer support is unevenly stressed, it is not convenient to provide pre-buffering to reduce the collision during contact, the impact sound is relatively large, and it is not convenient to gradually increase the force supporting the elevator car".

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] An elevator landing buffer protection device includes a base. Four hydraulic buffers are installed on the top of the base. A support mechanism is installed on the top of the four hydraulic buffers. The support mechanism includes a first support plate and a second support plate. The first support plate is installed at the top ends of the four hydraulic buffers. Two guide rods are fixedly installed on both sides and the front and rear ends of the bottom of the second support plate. A first spring is sleeved on the outer periphery of the guide rods. Rubber rings are installed on the top of the first support plate and outside each guide rod.

[0007] As a further solution of the utility model, the four hydraulic buffers are arranged in a matrix. A fixed connection is formed between the first support plate and the telescopic rod of the hydraulic buffer.

[0008] As a further solution of the utility model, the top views of the first support plate and the second support plate are both rectangular. The height of the rubber ring is less than the length of the guide rod.

[0009] As a further solution of the utility model, the diameter of the hanging plate at the bottom end of the guide rod is greater than the diameter of the guide rod. The guide rod penetrates through the first support plate and is slidably arranged.

[0010] As a further solution of the present utility model, a noise reduction mechanism is installed on the top of the second support plate. The noise reduction mechanism includes four support rods and a rubber pad. The rubber pad is installed on the top of the second support plate. A number of through holes are provided through the rubber pad and the top of the second support plate. The four support rods are respectively fixedly installed on the two sides and the front and rear ends of the bottom of the second support plate. A pressure rod is movably installed through the bottom end of the support rod. A second spring is installed at the top end of the pressure rod and inside the support rod.

[0011] As a further solution of the present utility model, the support rods penetrate through the inside of the first support plate and are slidably arranged. The four support rods are arranged in a rectangular pattern.

[0012] As a further solution of the present utility model, the piston diameter at the top end of the pressure rod is larger than the cross-sectional diameter of the pressure rod. The pressure rod is slidably arranged inside the support rod.

[0013] The beneficial effects of the present utility model are as follows:

[0014] By providing a support mechanism, the second support plate drives the guide rod to descend. Through the support of the first spring and the rubber ring, pre-buffering can be provided for the elevator car, reducing the impact force on the elevator car. After the rubber ring supports the second support plate, through the support of the hydraulic buffer, overall buffering is provided for the elevator car, making the force on the elevator car evenly distributed;

[0015] By providing a noise reduction mechanism, when the elevator car contacts the rubber pad, the air during contact is discharged through the through holes, reducing the impact sound during contact. Through the contact between the pressure rod and the base, under the action of the second spring, the pressure rod extends for support, which can provide three-level buffering, gradually increasing the force supporting the elevator car and improving the buffering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of an elevator landing buffer protection device of the present utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the support assembly in an elevator landing buffer protection device of the present utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the noise reduction assembly in an elevator landing buffer protection device of the present utility model;

[0019] Figure 4 It is the main internal view of the whole of an elevator landing buffer protection device of the present utility model.

[0020] In the figure: 1, base; 2, hydraulic buffer; 3, support mechanism; 4, noise reduction mechanism; 5, first support plate; 6, second support plate; 7, guide rod; 8, first spring; 9, rubber ring; 10, support rod; 11, rubber pad; 12, through hole; 13, pressure rod; 14, second spring. Detailed implementation mode

[0021] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation modes.

[0022] As Figures 1-4 shown, an elevator landing buffer protection device includes a base 1, four hydraulic buffers 2 are installed on the top of the base 1, a support mechanism 3 is installed on the top of the four hydraulic buffers 2, the support mechanism 3 includes a first support plate 5 and a second support plate 6, the first support plate 5 is installed at the top ends of the four hydraulic buffers 2, two guide rods 7 are fixedly installed on both sides and the front and rear ends of the bottom of the second support plate 6, a first spring 8 is sleeved on the periphery of the guide rod 7, and a rubber ring 9 is installed on the top of the first support plate 5 and outside each guide rod 7.

[0023] In this embodiment, the four hydraulic buffers 2 are arranged in a matrix, and the first support plate 5 is fixedly connected to the telescopic rod of the hydraulic buffer 2. The first support plate 5 is supported by the hydraulic buffer 2 to provide an overall buffering effect.

[0024] In this embodiment, the top views of the first support plate 5 and the second support plate 6 are both rectangular. The height of the rubber ring 9 is less than the length of the guide rod 7. The elevator car contacts the second support plate 6, and pre-buffering is provided for the elevator car under the action of the first spring 8.

[0025] In this embodiment, the diameter of the hanging plate at the bottom end of the guide rod 7 is greater than the diameter of the guide rod 7. The guide rod 7 penetrates through the inside of the first support plate 5 and is slidably arranged. When the second support plate 6 descends, it drives the guide rod 7 to slide, and the first spring 8 contracts into the rubber ring 9, and the rubber ring 9 supports between the first support plate 5 and the second support plate 6.

[0026] In this embodiment, a noise reduction mechanism 4 is installed on the top of the second support plate 6. The noise reduction mechanism 4 includes four support rods 10 and a rubber pad 11. The rubber pad 11 is installed on the top of the second support plate 6. A number of through holes 12 are opened through the rubber pad 11 and the top of the second support plate 6. The four support rods 10 are respectively fixedly installed on both sides and the front and rear ends of the bottom of the second support plate 6. A pressure rod 13 is movably installed at the bottom end of the support rod 10. A second spring 14 is installed at the top end of the pressure rod 13 and inside the support rod 10. When the first support plate 5 and the second support plate 6 descend to a certain extent, further support and buffering are provided through the pressure rod 13 and the second spring 14.

[0027] In this embodiment, the support rod 10 passes through the inside of the first support plate 5 and is slidably arranged. The four support rods 10 are arranged in a rectangular pattern. When the second support plate 6 descends, the support rod 10 passes through the inside of the first support plate 5 for adaptive sliding.

[0028] In this embodiment, the diameter of the piston at the top of the pressure rod 13 is larger than the cross-sectional diameter of the pressure rod 13. The pressure rod 13 is located inside the support rod 10 and is slidably arranged. When the bottom end of the pressure rod 13 contacts the base 1, the second support plate 6 is continuously supported and cushioned by the second spring 14.

[0029] It should be noted that the present utility model is an elevator landing buffer protection device. When in use, the base 1 is placed in the elevator pit. When the elevator and the safety clamp fail and the car descends, the bottom of the elevator car contacts the rubber pad 11 on the top of the second support plate 6. The air at the contact is discharged through the through hole 12 to reduce the collision sound. At the same time, the second support plate 6 drives the guide rod 7 to descend and is pre-cushioned under the action of the first spring 8. When the second support plate 6 descends and contacts the rubber ring 9, the first support plate 5 descends, and the overall is cushioned by the hydraulic buffer 2. When the landing pressure is large, the second support plate 6 descends to make the pressure rod 13 contact the base 1, and further cushioning and support are provided by the second spring 14, and the continuous descent of the elevator car is prevented.

[0030] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An elevator landing buffer protection device, comprising a base (1), four hydraulic buffers (2) are installed on the top of the base (1), and a support mechanism (3) is installed on the top of the four hydraulic buffers (2), characterized in that: The support mechanism (3) includes a first support plate (5) and a second support plate (6). The first support plate (5) is installed at the top ends of four hydraulic buffers (2). On both sides and the front and rear ends of the bottom of the second support plate (6), two guide rods (7) are fixedly installed. A first spring (8) is sleeved around the outer periphery of the guide rods (7). Rubber rings (9) are installed on the top of the first support plate (5) and outside each guide rod (7).

2. The elevator landing buffer protection device according to claim 1, wherein: The four hydraulic buffers (2) are arranged in a matrix. The first support plate (5) is fixedly connected to the telescopic rods of the hydraulic buffers (2).

3. The elevator landing buffer protection device according to claim 1, characterized in that: The top views of the first support plate (5) and the second support plate (6) are both rectangular. The height of the rubber ring (9) is less than the length of the guide rod (7).

4. The elevator landing buffer protection device according to claim 1, wherein: The diameter of the hanging plate at the bottom end of the guide rod (7) is larger than the diameter of the guide rod (7). The guide rod (7) passes through the inside of the first support plate (5) and is slidably arranged.

5. The elevator landing buffer protection device according to claim 1, characterized in that: [[ID= 6. The elevator landing buffer protection device according to claim 5, characterized in that: ​ 7. An elevator landing buffer protection device according to claim 5, characterized in that: ​

Images