CN214087241U - Platform structure at bottom of two unification shock attenuation sedan-chairs - Google Patents
Platform structure at bottom of two unification shock attenuation sedan-chairs Download PDFInfo
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- CN214087241U CN214087241U CN202023019910.4U CN202023019910U CN214087241U CN 214087241 U CN214087241 U CN 214087241U CN 202023019910 U CN202023019910 U CN 202023019910U CN 214087241 U CN214087241 U CN 214087241U
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Abstract
The utility model discloses a two-in-one damping platform structure at the bottom of a sedan, which comprises a sedan support and a sedan bottom platform and is characterized in that a single damping pad is respectively arranged at the four corners between the sedan support and the sedan bottom platform, and the single damping pad comprises two elastic pad seats which are arranged in parallel and connected into a whole by a positioning rod; a dual-purpose positioning sleeve is respectively arranged between the two elastic cushion seats and at the right opposite position on the two elastic cushion seats, a rubber pad is arranged in the dual-purpose positioning sleeve, and a spring is arranged outside the dual-purpose positioning sleeve; the height of the rubber pads is greater than that of the double positioning sleeves, and the initial length of the spring is greater than the sum of the heights of the two rubber pads. Two kinds of shock attenuation bodies of rubber pad and spring unite two into one, the advantage of two kinds of shock attenuation bodies of full play to overcome respective weak point, the ingenious occupation space of structure is little, and it is clear to correspond various operating mode shock attenuation level, and two shock attenuation body are mutually complementary to be filled and restrict each other, and the comfort is strong, and it is spacing to have the amplitude of a shock, and the security is high, increase of service life.
Description
Technical Field
The utility model relates to an elevator shock attenuation technique, especially a platform structure at bottom of two unification shock attenuation sedan-chairs.
Background
The car bottom shock absorption is an important guarantee of the comfort of an elevator riding seat, and no matter where the existing elevator car bottom shock absorption device is installed, a single shock absorption body is adopted, if the patent publication number is CN206569877U, the shock absorption device of the elevator car is provided with the shock absorption device on the upper part and the bottom of the car, so that the shaking and the scram of the elevator running process are reduced. Also, as in patent publication No. CN202508718U, a backpack-type home elevator shock-absorbing fastening device, in which a car roof shock-absorbing member uses a rubber shock-absorbing pad; the car bottom damping component adopts a spring. And so on. Along with the popularization and development of elevator use, the comfort requirement of customers on the elevator is higher and higher, the existing car bottom damping technology is not ideal, and particularly, how to design a car bottom structure with good damping performance by using simple materials has better comfortable feeling in the running process of a car so as to reduce the negative influence of the car caused by load distribution and the like, a reasonable car bottom damping product for overcoming the defects is needed.
Disclosure of Invention
The utility model aims at solving the above problem, a platform structure at the bottom of two unification shock attenuation sedan-chairs is provided, it has simple structure, and occupation space is little, and the shock attenuation level is clear, and two shock absorbers restrict each other and have characteristics such as the amplitude of a earthquake is spacing.
The above technical problem of the present invention can be solved by the following technical solutions: a two-in-one damping platform structure at the bottom of a car comprises a car support and a car bottom platform positioned on the car support, and is characterized in that single damping cushions are respectively arranged at four corners between the car support and the car bottom platform, and each single damping cushion comprises two elastic cushion seats which are arranged in parallel and connected into a whole by a positioning rod; a dual-purpose positioning sleeve is respectively arranged between the two elastic cushion seats and at the right opposite position on the two elastic cushion seats, a rubber pad is arranged in the dual-purpose positioning sleeve, and a spring is arranged outside the dual-purpose positioning sleeve; the height of the rubber pads is greater than that of the double positioning sleeves, and the initial length of the spring is greater than the sum of the heights of the two rubber pads.
In the platform structure at bottom of two unification shock attenuation sedan-chairs, as preferred, the sedan-chair holds in the palm and is equipped with the spandrel girder, and the monomer shock pad sets up on the spandrel girder.
In the aforementioned two-in-one damping platform structure, preferably, the two opposite dual-purpose positioning sleeves have the same inner diameter and outer diameter and are coaxially arranged.
In the aforementioned two-in-one damping platform structure for a car platform, preferably, the rubber pad is of a cylindrical or polygonal column structure.
In the aforementioned two-in-one damping platform structure, preferably, the rubber pad is of a cone or multi-frustum structure.
In the platform structure of the two-in-one damping platform, the elastic cushion seat and the dual-purpose positioning sleeve are preferably of an integrated structure.
In the aforementioned two-in-one damping platform structure, preferably, the distance between the two elastic cushion seats is adjusted by the positioning rod.
This technical scheme sets up damping device in current sedan-chair end main structure, holds in the palm at the sedan-chair promptly and evenly arranges monomer shock pad in main bearing point four corners position between the platform at the bottom of the sedan-chair, and this kind of monomer shock pad has about two parallel arrangement's bullet pad seat, sets up two kinds of shock absorbers of rubber pad and spring wherein. The rubber shock absorption has good characteristics such as high elasticity and viscoelasticity, large elastic deformation, small elastic modulus, larger impact rigidity than dynamic rigidity, larger dynamic rigidity than static rigidity, and is beneficial to reducing impact deformation and dynamic deformation; the shape of the rubber can be freely selected, the hardness can be adjusted through the formula design, and the requirements of rigidity and strength in different directions can be met. The rubber has large internal friction and good damping effect, is beneficial to crossing common areas and attenuating high-frequency motion and noise, is very suitable for being applied to the elevator car bottom, has much smaller elastic modulus than metal, can generate larger elastic deformation, has no sliding part, is easy to maintain, has relatively light weight and is convenient to install and disassemble; the impact rigidity is higher than static rigidity and dynamic rigidity, which is beneficial to impact deformation. However, the rubber is an incompressible material (Poisson ratio of 0.5), the practical temperature of the ordinary shock absorber is 0-70 ℃, the high-temperature and low-temperature resistance performance is relatively poor, and the rubber is easy to age in the atmosphere of exposal of the perpetual plunder. The scheme integrates the rubber pad and the metal spring into a whole, the rubber pad is matched to play the vibration reduction advantage of the spring, if the oil resistance and the corrosion resistance are high, the adaptability to the actual operation environment of the elevator is higher, the practical temperature (-40 ℃ -110 ℃) change does not affect the utilization performance, the rubber pad is not easy to age and creep, the sudden event caused by long-term use of the rubber pad is overcome, meanwhile, the problem that the rubber pad is prevented from vibrating and deflecting due to less damping when the elevator vibration frequency is higher is solved, and the problem that the vibration and deflection are caused when the vibration and deflection are caused is avoided.
Furthermore, in the device, an upper elastic cushion seat and a lower elastic cushion seat are connected into an integrated structure by a positioning rod, a rubber cushion and a spring are limited by a dual-purpose positioning sleeve, the rubber cushion is positioned in the dual-purpose positioning sleeve, and the spring is sleeved outside the dual-purpose positioning sleeve; and the part of the height of the rubber pad, which is greater than the height of the double positioning sleeves, is used as the maximum vibration amplitude of the rubber, and the part of the initial length of the spring, which is greater than the sum of the heights of the two rubber pads, is the vibration amplitude born by the spring firstly.
In the scheme, under the condition of loading the car bottom, the spring plays a role in damping firstly; when the loading spring of the car platform is compressed to a certain amount, the rubber pad starts to play a role in damping; when spring and rubber pad compress to a certain extent jointly, the outside upper and lower double-purpose position sleeve of rubber pad supports the contact each other, receives the shock attenuation spacing, avoids spring, rubber pad compression excessive and destroys its whole internal performance.
Compared with the prior art, the beneficial effects of the utility model are that: two kinds of shock attenuation bodies of rubber pad and spring unite two into one, the advantage of two kinds of shock attenuation bodies of full play to overcome respective weak point, the ingenious occupation space of structure is little, and it is clear to correspond various operating mode shock attenuation level, and two shock attenuation body are mutually complementary to be filled and restrict each other, and the comfort is strong, and it is spacing to have the amplitude of a shock, and the security is high, increase of service life.
Drawings
Fig. 1 is a bottom view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a partial enlarged structural view at M of fig. 2.
Fig. 4 is a right side view of fig. 2.
Fig. 5 is a schematic structural view of a single shock pad of the present invention.
Fig. 6 is a schematic view of the position relationship between the upper and lower dual-purpose positioning sleeves and the rubber pad.
In the figure: 1. the car platform comprises a car bottom platform, 2 car supports, 3 single shock-absorbing pads, 301 locating rods, 302 springs, 303 elastic pad seats, 304 rubber pads and 305 double-purpose locating sleeves.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
The platform structure at bottom of two unification shock attenuation sedan-chair of this embodiment, refer to fig. 1 to 4, hold in the palm 2 and lie in the sedan-chair and hold in the palm platform 1 at the bottom of 2 sedan-chair including the sedan-chair, the sedan-chair holds in the palm 2 and is equipped with the spandrel girder, sets up one set of monomer shock pad 3 on the spandrel girder of four corners position between sedan-chair support 2 and sedan-chair platform 1 respectively.
The structure of the single shock pad 3 is as shown in fig. 4 and 5, and comprises two spring pad seats 303 arranged in parallel up and down, and a rectangular plate structure of the spring pad seats 303, wherein a dual-purpose positioning sleeve 305 is respectively arranged at the middle part between the two spring pad seats 303 and at the normal opposite position of the two spring pad seats 303, and the two dual-purpose positioning sleeves 305 in normal opposite are equal in inner diameter and outer diameter and are coaxially arranged up and down; the spring washer seat 303 and the dual-purpose positioning sleeve 305 are welded into an integral structure.
Two bullet pad seats 303 are equipped with locating lever 301 respectively with central symmetry on double-purpose position sleeve 305 both sides, link into an integrated entity bullet pad seat 303 by locating lever 301, and locating lever 301 both ends are equipped with adjusting nut, and the distance between two bullet pad seats 303 is adjusted by locating lever 301 and is accomplished. Rubber pad 304 is placed in dual-purpose positioning sleeve 305, and spring 302 is sleeved outside dual-purpose positioning sleeve 305. The height of rubber pad 304 is greater than the height of double locating sleeve 305 and the initial length of spring 302 is greater than the sum of the heights of the two rubber pads 304.
The structure of the rubber pad 304 can be a cylinder, a polygonal prism, a cone or a polygon terrace structure, which is determined according to specific conditions.
During the use, set for the damping coefficient of monomer shock pad 3 according to elevator model bearing capacity, adjusted the initial length of spring 302 in the monomer shock pad 3, fix 4 lower bullet pad seats 303 of monomer shock pad 3 on the spandrel girder of sedan-chair support 2, go up bullet pad seats 303 and be connected with sedan-chair bottom platform 1.
The above embodiments are descriptions of the present invention, not limitations of the present invention, and any structure after simple transformation is all included in the protection scope of the present invention.
Claims (7)
1. A two-in-one damping platform structure at the bottom of a car comprises a car support (2) and a car bottom platform (1) positioned on the car support, and is characterized in that single damping cushions (3) are respectively arranged at four corners between the car support and the car bottom platform, and each single damping cushion comprises two elastic cushion seats (303) which are arranged in parallel and connected into a whole by a positioning rod (301); a dual-purpose positioning sleeve (305) is respectively arranged between the two elastic cushion seats and at the right opposite position on the two elastic cushion seats, a rubber pad (304) is arranged in the dual-purpose positioning sleeve, and a spring (302) is arranged outside the dual-purpose positioning sleeve; the height of the rubber pads is greater than that of the double positioning sleeves, and the initial length of the spring is greater than the sum of the heights of the two rubber pads.
2. The platform structure of the two-in-one damping platform as claimed in claim 1, wherein the car support (2) is provided with a bearing beam, and the single damping pad (3) is arranged on the bearing beam.
3. A two-in-one shock absorbing platform structure for a platform as claimed in claim 1, wherein the two dual-purpose positioning sleeves (305) are of equal inner and outer diameters and are coaxially arranged.
4. The platform structure of two-in-one shock-absorbing platform as claimed in claim 1, wherein the rubber pad (304) is a cylinder or a polygonal column.
5. The platform structure of claim 1, wherein the rubber pad (304) is a cone or a polygon.
6. The platform structure of claim 1, wherein the spring washer (303) and the dual-purpose positioning sleeve (305) are of an integral structure.
7. The platform structure of claim 1, wherein the distance between the two spring washer seats (303) is adjusted by the positioning rod (301).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023019910.4U CN214087241U (en) | 2020-12-15 | 2020-12-15 | Platform structure at bottom of two unification shock attenuation sedan-chairs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023019910.4U CN214087241U (en) | 2020-12-15 | 2020-12-15 | Platform structure at bottom of two unification shock attenuation sedan-chairs |
Publications (1)
Publication Number | Publication Date |
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CN214087241U true CN214087241U (en) | 2021-08-31 |
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CN202023019910.4U Active CN214087241U (en) | 2020-12-15 | 2020-12-15 | Platform structure at bottom of two unification shock attenuation sedan-chairs |
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2020
- 2020-12-15 CN CN202023019910.4U patent/CN214087241U/en active Active
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