CN213038187U - Speed locking type height-adjustable support - Google Patents
Speed locking type height-adjustable support Download PDFInfo
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- CN213038187U CN213038187U CN202021814136.3U CN202021814136U CN213038187U CN 213038187 U CN213038187 U CN 213038187U CN 202021814136 U CN202021814136 U CN 202021814136U CN 213038187 U CN213038187 U CN 213038187U
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- speed
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Abstract
The utility model discloses a speed locking type height-adjustable support, including the support body, the support body includes bedplate, end basin, lower bedplate from the top down in proper order, and the upper bedplate has sphere type bottom surface, be equipped with the spherical crown welt between end basin and the upper bedplate, the spherical crown welt have with upper bedplate bottom surface complex sphere type top surface, the end basin passes through the guide rail and installs under on the bedplate, end basin and lower bedplate formation relative slip plane, support body top or below are equipped with heightening mechanism, install speed locking device on the support body, and speed locking device both ends are connected with the relative slip plane of support body respectively. The utility model discloses play the effect of dispersion earthquake horizontal force when the earthquake takes place, furthest reduces the earthquake and to the destruction of bridge superstructure, realizes stepless heightening simultaneously, heightens many times, and it is durable to heighten simple structure.
Description
Technical Field
The utility model relates to a bridge engineering technical field, concretely relates to speed locking type height-adjustable support.
Background
At present, a continuous beam bridge is generally designed with a fixed pier and the rest are movable piers, and horizontal loads such as braking force, longitudinal seismic force and the like are only born by the fixed pier. In order to enable the movable pier to bear the horizontal load effect when needed, a bridge speed locking device needs to be installed, the independently installed speed locking device is high in cost, and the heightening support with the speed locking function is complex in heightening structure and generally adopts filling type heightening, but the backing plate heightening support meets the requirement of heightening operation space, so that the weight of the support is increased, the cost is increased, the actual construction of the heightening support is difficult, fillers are easy to leak due to long-term pressure, the heightening effect in the later period is poor, the spiral heightening has high requirements on the processing of support parts, the manufacturing cost is high, and the application is few.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a speed locking type height-adjustable support plays the effect of dispersion earthquake horizontal force when the earthquake takes place, and furthest reduces the earthquake and to the destruction of bridge superstructure, realizes stepless increaseing simultaneously, heightens many times, and it is durable to heighten simple structure.
In order to solve the technical problem, the utility model discloses a following scheme:
the utility model provides a speed locking type height-adjustable support, includes the support body, the support body includes bedplate, end basin, lower bedplate in proper order by last under to, and the bedplate has spherical type bottom surface on going up, be equipped with the spherical crown welt between end basin and the last bedplate, the spherical crown welt have with last bedplate bottom surface complex spherical top surface, the end basin passes through the guide rail and installs on bedplate down, end basin and lower bedplate formation relative slip plane, support body top or below are equipped with heightening mechanism, install speed locking device on the support body, and speed locking device both ends are connected with the relative slip plane of support body respectively.
Preferably, heightening mechanism sets up at support body top surface, heightening mechanism is including heightening board and two regulating blocks, and heightening mechanism bottom surface is equipped with the inclined plane of bisymmetry, and two inclined planes form with support body top surface and adjust the chamber, and two regulating blocks are located and adjust the intracavity and can slide at this regulation intracavity, and the regulating block top surface is the inclined plane, and the bottom surface is the plane, and two regulating blocks are close to each other or keep away from and make heightening board height decline or rise.
Preferably, the speed locking device comprises a cylinder body, end covers, a piston rod and a guide piece, silicone grease is filled in the cylinder body, the end covers are arranged at two ends of the cylinder body, the piston rod is placed in the cylinder body through the end covers, the guide piece is arranged on the end covers, and the end covers are sealed with the connecting part of the piston rod and the cylinder body.
Preferably, the two speed locking devices are respectively and symmetrically arranged on the lower seat plate, the acting direction is parallel to the direction of the guide rail, the cylinder body of the speed locking device is fixedly connected with the bottom basin, and the piston rod of the speed locking device is fixedly connected with the lower seat plate.
Preferably, the adjusting cavity is internally provided with an adjusting sheet which is positioned between the two adjusting blocks, the adjusting sheet can effectively enhance the vertical bearing capacity of the support vertically and can limit the inward folding trend of the two adjusting blocks horizontally, so that the two adjusting blocks can realize the height adjusting function more stably, and the stability of the height adjusting function is ensured.
Preferably, the upper seat plate and the spherical crown lining plate, the spherical crown lining plate and the bottom basin, and the bottom basin and the lower seat plate are respectively provided with wear-resisting plates, and the wear-resisting plates effectively enhance the wear resistance of each part and prolong the service life of each part.
Preferably, the speed lock has an adjustable damping value, different damping values corresponding to different lock speed values of the speed lock.
The utility model discloses beneficial effect who has:
1. the utility model discloses only need adjust mutual distance between two regulating blocks, just can be swift regulation heightening plate's lift, the vertical height of support body is unchangeable, only needs to change the vertical height of heightening the board, the utility model discloses heightening simple structure easy operation realizes stepless heightening, through the slip of regulating block, can heighten many times, and the regulating block is three hornblocks, and its processing technology is simple, and effectual saving cost has stronger practical value.
2. The utility model is installed between the bridge and the pier, and simultaneously meets the use requirements of the support and the speed locking device, and additionally adds the function of sharing horizontal load besides the functions of bearing, displacement and turning of the movable support; the support body adopts a spherical steel support, so that the vertical load which can be borne by the support is increased, and the service life of the support is prolonged; the support which is originally required to be independently installed is combined with the speed locking device, so that the structure is more compact, the production cost is saved, the required installation space is effectively reduced, and the installation difficulty and the required time are reduced; the speed locking device can be independently replaced without influencing the use of the support.
3. Two speed locking devices are symmetrically arranged on the lower seat plate, and by utilizing the characteristic that the speed locking devices have a moving speed locking value, when the relative sliding speed of the support is smaller than a set value, the speed locking devices can freely slide to allow the bottom basin and the lower seat plate to generate relative movement, and the whole support is a one-way support in the state. When the relative sliding speed of the support is larger than a set value, the speed locking device is locked and cannot slide freely, the relative movement between the bottom basin and the lower seat plate is not allowed, and the whole support is a fixed support in the state. From structure and principle, the support can use a velocity of motion of setting for the conversion value, converts between one-way support and fixing support, has had both advantages between them concurrently, therefore compares with prior art's support, has better antidetonation and prevents roof beam technical effect that falls.
4. Because the guide rail is arranged between the bottom basin and the lower seat plate and in the same direction with the speed locking device, the relative movement between the bottom basin and the lower seat plate is smoother.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic side view of the structure of fig. 1.
Reference numerals: 1-upper seat plate, 2-spherical cap lining plate, 3-bottom basin, 4-lower seat plate, 5-speed locking device, 6-heightening plate, 7-adjusting block, 8-guide rail and 9-adjusting plate.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1, a speed locking type height-adjustable support comprises a support body, wherein the support body is a ball steel support and has better vertical stress, the support body sequentially comprises an upper seat plate 1, a bottom basin 3 and a lower seat plate 4 from top to bottom, the upper seat plate 1 is provided with a spherical bottom surface and is connected with a beam body through a bolt so as to transmit the vertical force or the horizontal force of the beam body to the whole support; a spherical crown lining plate 2 is arranged between the bottom basin 3 and the upper seat plate 1, and the spherical crown lining plate 2 is provided with a spherical top surface matched with the bottom surface of the upper seat plate 1 so as to provide a corner required by the support; the bottom basin 3 is arranged on the lower seat plate 4 through a guide rail 8, the guide rail can be arranged on the bottom surface of the bottom basin or on the two sides of the bottom basin, the bottom basin 3 and the lower seat plate 4 can form a relative sliding surface, the bottom plane of the lower seat plate 4 is connected with a pier top cushion stone (not shown in the figure), the vertical force or the horizontal force of the support is transmitted to the pier, the guide rail 8 provides the guide of the relative sliding between the bottom basin 3 and the lower seat plate 4, and transmits the transverse load, a height-adjusting mechanism is arranged above or below the support body to realize the stepless height-adjusting function of the support, a speed locking device 5 is arranged on the support body, two ends of the speed locking device 5 are respectively connected with the relative sliding surface of the support body, when the relative sliding speed of the support is smaller than the set value, the speed locking device 5 can slide freely to allow the relative movement between the bottom basin 3 and the lower seat plate 4, and the whole support is a one-way support in the state. When the relative sliding speed of the support is greater than a set value, the speed locking device 5 is locked and cannot freely slide, relative movement between the bottom basin 3 and the lower seat plate 4 is not allowed, the whole support is a fixed support in the state, and therefore the support can be converted between the one-way support and the fixed support by taking a set moving speed as a conversion value, and the advantages of the two are achieved, so that the support has a better anti-seismic and anti-beam-falling technical effect compared with the support in the prior art.
Example 2
As shown in figure 2, the height-adjusting mechanism is arranged on the top surface of the support body, the height-adjusting mechanism comprises a height-adjusting plate 6 and two triangular adjusting blocks 7, the height-adjusting plate 6 is fixedly connected with the upper seat plate 1 through bolts, two symmetrical inclined surfaces are arranged on the bottom surface of the height-adjusting mechanism, the two inclined surfaces and the top surface of the support body form an adjusting cavity, the two adjusting blocks 7 are positioned in the adjusting cavity and can slide in the adjusting cavity, the top surface of each adjusting block 7 is an inclined surface, the bottom surface is a plane, the two adjusting blocks 7 are close to or far away from each other to enable the height of the height-adjusting plate 6 to be lowered or raised, when height adjustment is actually needed, the bolts between the upper seat plate 1 and the height-adjusting plate 6 are unscrewed to change the relative distance between the two adjusting blocks 7, if the two adjusting blocks 7 are far away from each other, the height-adjusting plate 6 is raised and close to each other, the height-adjusting plate 6 is lowered, and meanwhile, the height can be adjusted for many times.
Example 3
The speed locking device 5 is composed of a cylinder body, end covers, a piston rod and a guide piece, silicone grease is filled in the cylinder body, the end covers are arranged at two ends of the cylinder body, the piston rod is placed in the cylinder body through the end covers, the guide piece is arranged on the end covers, the end covers are sealed with the connecting portion of the piston rod and the cylinder body, the speed locking device is the prior known technology, the structural principle of the speed locking device is well known by persons skilled in the art, and the speed locking device can be obtained without.
The two speed locking devices 5 are used for balancing the stress of the support, the two speed locking devices 5 are symmetrically arranged on the lower seat plate 4 respectively, the acting direction is parallel to the direction of the guide rail 8, the cylinder body of the speed locking device 5 and the bottom basin 3 can be fixedly connected in a clamping groove mode, and the piston rod of the speed locking device 5 is fixedly connected with the lower seat plate 4.
Example 4
As shown in fig. 2, an adjustment sheet 9 is arranged in the adjustment cavity, the adjustment sheet 9 is located between the two adjustment blocks 7, the adjustment sheet 9 can vertically effectively enhance the vertical bearing capacity of the support, and can horizontally limit the inward folding tendency of the two adjustment blocks 7, so that the two adjustment blocks 7 can more stably realize the height adjustment function, and the stability of the height adjustment function is ensured.
Example 5
As shown in figure 1, wear-resisting plates are respectively arranged between an upper seat plate 1 and a spherical crown lining plate 2, between the spherical crown lining plate 2 and a bottom basin 3, between the bottom basin 3 and a lower seat plate 4, the wear-resisting plates effectively enhance the wear resistance of each part, prolong the service life of each part, and adopt the wear-resisting plates made of modified ultra-high molecular weight polyethylene materials to reduce the sliding coefficient and the sliding resistance.
Example 6
The speed locking device 5 has adjustable damping values, and different damping values correspond to different locking speed values of the speed locking device 5, so that the speed locking device can adapt to the installation environment and the installation requirements of different supports, and has better practicability.
The principle of the utility model is as follows: under the normal operating mode of bridge, the utility model discloses an effect is unanimous with the movable support, when the bridge arouses the creep by reasons such as temperature, the utility model discloses allow the vertical slow moving of bridge. When an earthquake occurs, the speed locking device 5 acts on the components, the speed locking device 5 quickly executes the locking function to lock the support, the function of the support is changed from the original movable support function to the fixed support function, the horizontal force effect of the earthquake is shared, the damage of the earthquake to a bridge is greatly reduced, when the height of the support needs to be adjusted, the relative distance between the two adjusting blocks 7 is changed by unscrewing the bolts between the upper seat plate 1 and the height adjusting plate 6, the lifting height of the height adjusting plate 6 is changed, and after the height adjustment is completed, the bolts are screwed, so that the two adjusting blocks 6 are tightly clamped in the adjusting cavities, and the stability of the height of the support is ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a speed locking type height-adjustable support, includes the support body, the support body by last bedplate (1), end basin (3), bedplate (4) down of including in proper order under to, go up bedplate (1) and have sphere type bottom surface, be equipped with spherical crown welt (2) between end basin (3) and last bedplate (1), spherical crown welt (2) have with last bedplate (1) bottom surface complex sphere type top surface, end basin (3) are installed on bedplate (4) down through guide rail (8), end basin (3) and bedplate (4) down form relative slip plane, its characterized in that, support body top or below are equipped with heightening mechanism, install speed locking device (5) on the support body, speed locking device (5) both ends are connected with the relative slip plane of support body respectively.
2. The speed locking type height adjustable support according to claim 1, wherein the height adjusting mechanism is arranged on the top surface of the support body, the height adjusting mechanism comprises a height adjusting plate (6) and two adjusting blocks (7), the bottom surface of the height adjusting mechanism is provided with two symmetrical inclined surfaces, the two inclined surfaces and the top surface of the support body form an adjusting cavity, the two adjusting blocks (7) are positioned in the adjusting cavity and can slide in the adjusting cavity, the top surface of the adjusting block (7) is an inclined surface, the bottom surface is a plane, and the two adjusting blocks (7) are close to or far away from each other to enable the height of the height adjusting plate (6) to be lowered or raised.
3. A speed locking type height adjustable support according to claim 1, characterized in that the speed locking device (5) is composed of a cylinder body filled with silicone grease, end caps at both ends, a piston rod placed in the cylinder body through the end caps, and a guide member provided on the end caps, the end caps being sealed with the connection portion of the piston rod and the cylinder body.
4. A speed locking type height adjustable support according to claim 3, wherein the speed locking device (5) is provided in two, and the two speed locking devices are respectively and symmetrically arranged on the lower seat plate (4), the acting direction is parallel to the direction of the guide rail (8), the cylinder body of the speed locking device (5) is fixedly connected with the bottom basin (3), and the piston rod of the speed locking device (5) is fixedly connected with the lower seat plate (4).
5. A speed lock type height adjustable mount according to claim 2, wherein a trim tab (9) is provided in the adjustment chamber, the trim tab (9) being located between the two adjustment blocks (7).
6. A speed locking type height adjustable mount according to claim 1, wherein wear plates are provided between the upper seat plate (1) and the spherical cap liner plate (2), between the spherical cap liner plate (2) and the bottom basin (3), and between the bottom basin (3) and the lower seat plate (4), respectively.
7. A speed lock type height adjustable mount according to claim 1, wherein the speed lock (5) has adjustable damping values, different damping values corresponding to different lock speed values of the speed lock (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021814136.3U CN213038187U (en) | 2020-08-26 | 2020-08-26 | Speed locking type height-adjustable support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021814136.3U CN213038187U (en) | 2020-08-26 | 2020-08-26 | Speed locking type height-adjustable support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213038187U true CN213038187U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021814136.3U Active CN213038187U (en) | 2020-08-26 | 2020-08-26 | Speed locking type height-adjustable support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213038187U (en) |
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2020
- 2020-08-26 CN CN202021814136.3U patent/CN213038187U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 669, Xingyuan 10 road, a district, Xinjin Industrial Park, Chengdu, Sichuan 610000 Patentee after: Jitong Intelligent Equipment Co.,Ltd. Address before: No. 669 Xingyuan 10th Road, Zone A, Xinjin County Industrial Park, Chengdu City, Sichuan Province, 610000 Patentee before: CHENGDU JITONG ROAD AND BRIDGE TECHNOLOGY CO.,LTD. |
|
| CP03 | Change of name, title or address |