Elevator car damping device
By using a multi-stage damping mechanism and an arc-shaped buffer structure, the problem of elevator vibration caused by the aging of the rubber damping structure was solved, thereby improving the stability and comfort of the elevator.
Patent Information
- Application Number
- CN202520476769.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-18
AI Technical Summary
In existing elevator car vibration damping devices, the rubber vibration damping structure suffers from reduced damping effect due to aging and wear, and cannot effectively mitigate large vibrations or impacts, affecting the stability and comfort of the elevator.
The system employs a multi-stage damping mechanism, including damping telescopic rods, shock-absorbing springs, movable rods, tension springs, and arc-shaped buffer frames. Through the multi-stage damping mechanism and the mechanical principles of the arc-shaped structure, pressure is dispersed, enhancing the stability and comfort of the elevator.
It effectively reduces elevator vibration during startup and shutdown, improves elevator smoothness and comfort, and enhances elevator stability.
Smart Images
Figure CN223950553U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator technical field especially, relate to a kind of elevator car shock absorber. BACKGROUND
[0002] With the improvement of living standards, elevator has been widely used in our life, elevator is the equipment that its car runs in at least two columns vertical to horizontal plane or with inclination angle less than 15 ° of rigid track movement for serving in several specific floors of building, car is the box-shaped space of elevator to carry and transport personnel and material, but due to the vibration of elevator generated with the starting and stopping of elevator in the process of running.
[0003] In elevator technology, the existing elevator car shock absorber usually adopts rubber shock-absorbing structure, i.e. rubber and steel plate are bonded together, rubber material can cause shock-absorbing effect to decline due to aging, wear and other factors in long-term use, and rubber shock-absorbing structure has limited shock-absorbing effect when facing larger vibration or impact, and cannot effectively relieve vibration.
[0004] Therefore, we propose a kind of elevator car shock absorber. CONTENT OF UTILITY MODEL
[0005] The utility model mainly solves the technical problem of the prior art, and provides an elevator car shock absorber.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme, an elevator car shock absorber, including base body, the inside of base body is provided with support plate, the four corners bottom wall surface of support plate is provided with first shock-absorbing mechanism respectively, first shock-absorbing mechanism includes four damping telescopic rods and four shock-absorbing springs, the bottom inner wall of base body is provided with mounting groove, the left and right two side walls of mounting groove are fixedly connected with slide bar, the second shock-absorbing mechanism is arranged on the slide bar, the second shock-absorbing mechanism includes two moving seats, two first mounting seats, two movable rods, fixed seat and tension spring, the left and right two side walls of the bottom of base body are provided with buffer frame for buffering the second shock-absorbing mechanism respectively.
[0007] As a preferred technical scheme of the utility model, the top end of four damping telescopic rods is fixedly connected with the four corners bottom wall surface of support plate respectively, the bottom end of four damping telescopic rods is fixedly connected on the bottom inner wall of base body respectively and four shock-absorbing springs are respectively sleeved on the outer side wall of four damping telescopic rods.
[0008] As a preferred technical scheme of the utility model, the left and right two side walls of the base body are respectively provided with adjusting groove, adjusting rod is slidably arranged in two adjusting grooves respectively, and the ends of two adjusting rods away from each other are fixedly connected with the left and right two side walls of support plate respectively.
[0009] As a preferred technical scheme of the utility model, two mobile seats are respectively sleeved on the outer wall of the slide rod and are respectively located at the left and right ends of the slide rod, and the tension spring is sleeved on the outer wall of the slide rod and the left and right ends of the tension spring are respectively fixedly connected with the two mobile seats.
[0010] As a preferred technical scheme of the utility model, two first mounting seats are respectively fixedly installed on the top end wall surfaces of the two mobile seats, the two movable rods are inclined, the bottom ends of the two movable rods are movably connected with the two first mounting seats, and the ends, away from the two first mounting seats, of the two movable rods are respectively movably connected with the fixed seat, and the top end wall surface of the fixed seat is fixedly connected with the bottom end wall surface of the support plate.
[0011] As a preferred technical scheme of the utility model, the buffer frame is of an arc structure, two fixed blocks are respectively fixedly connected with the two ends of the buffer frame, and second mounting seats are movably installed at the ends, close to the inner wall of the base body, of the two fixed blocks.
[0012] As a preferred technical scheme of the utility model, the side wall surfaces, away from each other, of the two mobile seats are respectively fixedly installed with push blocks, and the positions of the two push blocks are respectively consistent with the positions of the two buffer frames.
[0013] The utility model provides a kind of elevator car damping device.There is following beneficial effect:
[0014] 1, this elevator car damping device, when elevator car is stopped in uplink or downlink, due to inertia and gravity will be extruded support plate downwards, by the effect of damping telescopic rod and shock-absorbing spring, play the first stage of damping effect, support plate continues to press down, drive fixed seat to move downwards, simultaneously by movable rod and first mounting seat drive two mobile seats to be far away from each other and drive tension spring to be telescopic, the telescopic force of tension spring plays the second stage of damping effect to the pressure of elevator car, while, with the movement of two mobile seats, two push blocks will exert extrusion force to two buffer frames, by the mechanical principle of arc structure, arc has the strongest compression capacity in structural mechanics, pressure can be evenly dispersed by arc, this design can effectively alleviate the gravity and pressure of elevator, play buffering effect, enhance the stability and comfort of elevator.
[0015] 2, this elevator car damping device, when elevator runs and encounters vibration of different degrees, by the setting of adjusting rod and adjusting groove, make support plate more stable, to improve the stability of elevator operation. BRIEF DESCRIPTION OF DRAWINGS
[0016] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and do not have technical substantial significance for the implementation of the utility model.
[0017] Figure 1 It is a schematic view of the overall structure of the utility model;
[0018] Figure 2 It is a schematic view of the overall structure of the utility model Figure 1 It is an enlarged view of A in the utility model;
[0019] Figure 3 It is a schematic view of the overall structure of the utility model Figure 1 It is an enlarged view of B in the utility model;
[0020] Figure 4 It is a schematic view of the overall structure of the utility model
[0021] Legend:
[0022] 10, base body; 11, support plate; 12, damping telescopic rod; 13, shock absorbing spring; 14, mounting groove; 15, sliding rod; 16, moving seat; 17, first mounting seat; 18, movable rod; 19, fixed seat; 20, tension spring; 21, adjusting rod; 22, adjusting groove; 23, second mounting seat; 24, fixed block; 25, buffer frame; 26, push block. DETAILED DESCRIPTION
[0023] An elevator car damping device, such as Figures 1-4As shown, including base body 10, the inside of base body 10 is provided with support plate 11, the four corners of support plate 11 are respectively provided with first damping mechanism, first damping mechanism includes four damping telescopic rods 12 and four damping springs 13, the bottom inner wall of base body 10 is provided with mounting groove 14, the left and right inner walls of mounting groove 14 are fixedly connected with slide rod 15, slide rod 15 is provided with second damping mechanism, second damping mechanism includes two moving seats 16, two first mounting seats 17, two movable rods 18, fixed seat 19 and tension spring 20, the left and right side walls of the bottom of base body 10 are respectively provided with buffer frame 25 for buffering second damping mechanism, the top ends of four damping telescopic rods 12 are respectively fixedly connected with the four corners of the bottom wall of support plate 11, the bottom ends of four damping telescopic rods 12 are respectively fixedly connected on the bottom inner wall of base body 10 and four damping springs 13 are respectively sleeved on the outer side walls of four damping telescopic rods 12, the left and right side walls of base body 10 are respectively provided with adjusting slot 22, two adjusting slots 22 are respectively provided with adjusting rod 21, the ends of two adjusting rods 21 away from each other are respectively fixedly connected with the left and right side walls of support plate 11, two moving seats 16 are respectively slidably sleeved on the outer wall of slide rod 15 and two moving seats 16 are respectively located at the left and right ends of slide rod 15, tension spring 20 is sleeved on the outer wall of slide rod 15 and the left and right ends of tension spring 20 are respectively fixedly connected with two moving seats 16, two first mounting seats 17 are respectively fixedly installed on the top end walls of two moving seats 16, two movable rods 18 are inclined, the bottom ends of two movable rods 18 are movably connected with two first mounting seats 17, the ends of two movable rods 18 away from two first mounting seats 17 are respectively movably connected with fixed seat 19 and the top end wall of fixed seat 19 is fixedly connected with the bottom end wall of support plate 11, buffer frame 25 is arc-shaped structure, two ends of two buffer frames 25 are respectively fixedly connected with fixed block 24 and two fixed blocks 24 are respectively movably installed with second mounting seat 23 close to the inner wall of base body 10, the ends of two second mounting seats 23 away from buffer frame 25 are respectively fixedly connected with the inner wall of base body 10, the side walls of two moving seats 16 away from each other are respectively fixedly installed with push block 26, the positions of two push blocks 26 are respectively consistent with the positions of two buffer frames 25.
[0024] The utility model discloses a working principle: when using, when elevator car is in the uplink or downlink and stops, because inertia and gravity will extrude support plate 11 downwards, through the effect of damping telescopic link 12 and shock absorbing spring 13 play the first stage shock attenuation effect, support plate 11 continuously press down, drive fixed base 19 to move downwards, simultaneously through movable rod 18 and first mounting seat 17 drive two mobile seat 16 away from each other and drive tension spring 20 to stretch out or draw back, and the extension and contraction of tension spring 20 play the second stage shock attenuation effect to the pressure of elevator car, and simultaneously, along with the movement of two mobile seat 16, two push block 26 can extrude two buffer frame 25, by the mechanical principle of arc structure, arc has the strongest compression capacity in structural mechanics, and pressure can be evenly dispersed through the radian, and this design can effectively alleviate the gravity and pressure of elevator, play the buffering effect, enhance the stability and comfort of elevator.
[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.
Claims
1. An elevator car vibration damping device, comprising a base body (10), characterized in that: The base body (10) is provided with a support plate (11) inside. The four corner bottom walls of the support plate (11) are respectively provided with a first shock absorption mechanism. The first shock absorption mechanism includes four damping telescopic rods (12) and four shock absorption springs (13). The bottom inner wall of the base body (10) is provided with an installation groove (14). The left and right inner walls of the installation groove (14) are fixedly connected with slide rods (15). The slide rods (15) are provided with a second shock absorption mechanism. The second shock absorption mechanism includes two movable seats (16), two first mounting seats (17), two movable rods (18), a fixed seat (19) and a tension spring (20). The bottom left and right walls of the base body (10) are respectively provided with buffer frames (25) for buffering the second shock absorption mechanism.
2. The elevator car vibration damping device according to claim 1, characterized in that: The top ends of the four damping telescopic rods (12) are respectively fixedly connected to the bottom wall of the four corners of the support plate (11), and the bottom ends of the four damping telescopic rods (12) are respectively fixedly connected to the bottom inner wall of the base body (10), and the four shock-absorbing springs (13) are respectively sleeved on the outer wall of the four damping telescopic rods (12).
3. The elevator car vibration damping device according to claim 1, characterized in that: The base body (10) has adjustment grooves (22) on the inner walls of the left and right sides respectively. Adjustment rods (21) are slidably arranged in the two adjustment grooves (22) respectively. The ends of the two adjustment rods (21) that are far apart from each other are fixedly connected to the left and right side walls of the support plate (11).
4. The elevator car vibration damping device according to claim 1, characterized in that: The two movable seats (16) are respectively slidably sleeved on the outer wall of the slide rod (15) and the two movable seats (16) are respectively located at the left and right ends of the slide rod (15). The tension spring (20) is sleeved on the outer wall of the slide rod (15) and the left and right ends of the tension spring (20) are respectively fixedly connected to the two movable seats (16).
5. The elevator car vibration damping device according to claim 1, characterized in that: The two first mounting seats (17) are respectively fixedly installed on the top wall of the two movable seats (16). The two movable rods (18) are inclined. The bottom ends of the two movable rods (18) are movably connected to the two first mounting seats (17). The ends of the two movable rods (18) away from the two first mounting seats (17) are respectively movably connected to the fixed seat (19), and the top wall of the fixed seat (19) is fixedly connected to the bottom wall of the support plate (11).
6. The elevator car vibration damping device according to claim 1, characterized in that: The buffer frame (25) has an arc-shaped structure. The two ends of the two buffer frames (25) are respectively fixedly connected to the fixing blocks (24), and the two fixing blocks (24) are respectively movably installed with the second mounting seats (23) at the ends of the two fixing blocks (24) that are close to the inner wall of the base body (10). The ends of the two second mounting seats (23) that are away from the buffer frame (25) are respectively fixedly connected to the inner wall of the base body (10).
7. The elevator car vibration damping device according to claim 1, characterized in that: Push blocks (26) are fixedly installed on the side walls of the two movable seats (16) that are far apart from each other. The positions of the two push blocks (26) are horizontally aligned with the positions of the two buffer frames (25).