CN213260182U - Spherical slope regulator for longitudinal and transverse slopes of precast beam - Google Patents
Spherical slope regulator for longitudinal and transverse slopes of precast beam Download PDFInfo
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- CN213260182U CN213260182U CN202022132486.8U CN202022132486U CN213260182U CN 213260182 U CN213260182 U CN 213260182U CN 202022132486 U CN202022132486 U CN 202022132486U CN 213260182 U CN213260182 U CN 213260182U
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Abstract
The utility model belongs to the technical field of the accent sloping ware, specific saying relates to a precast beam indulges ball-type accent sloping ware of horizontal slope. The slope adjusting device comprises a slope adjusting main body consisting of a top seat plate and a base plate, wherein a plurality of telescopic mechanisms consisting of screws are arranged on the periphery of the slope adjusting main body; through ball-type sliding connection between bedplate and the bed plate, telescopic machanism is including setting up the screw rod of being connected at the screw thread base between bedplate and the bed plate and with it, and the tip and bedplate or the bed plate of screw rod are connected through rotating. The novel spherical slope adjuster can adjust the slope of the precast beam in the longitudinal and transverse directions simultaneously, and has the characteristics of high supporting strength and firm movement structure.
Description
Technical Field
The utility model belongs to the technical field of the accent sloping ware, specific saying relates to a precast beam indulges ball-type accent sloping ware of horizontal slope.
Background
The pre-buried steel sheet of bridge beam bottom (precast beam) requires to form the slope unanimous with bridge design longitudinal gradient, in order to guarantee that the support is in perpendicular atress state behind the beam piece installation, if the pre-buried steel sheet longitudinal gradient of beam bottom is inaccurate, will cause the support bias voltage after the roof beam body installation, thereby lead to the support probably too early receive the damage, seriously influence the normal life of bridge, also cause very big potential safety hazard to the later stage operation of bridge after the traffic is gone to, and it is fairly troublesome to handle, the expense is also very expensive, so whether accurate of the pre-buried steel sheet longitudinal gradient of bridge beam bottom plays very important effect to bridge operation safety and cost control.
At present, the longitudinal slope which meets the design requirement is difficult to accurately control the beam bottom embedded steel plate when a beam piece is prefabricated, and the traditional construction method has two construction modes: one method is that when a precast beam is precast, mortar is poured at a fulcrum on a pedestal to adjust the height of a pre-buried steel plate at the bottom of the precast beam, so that the aim of adjusting the gradient of the bottom of the beam is fulfilled; the other method is to adjust the slope of the beam bottom by adding a wedge-shaped steel plate with the slope after the beam erection is finished without adjusting the pre-embedded steel plate of the beam bottom of the precast beam.
The construction method increases two construction procedures of manufacturing the wedge-shaped steel plate and welding the beam bottom steel plate and the wedge-shaped steel plate, the wedge-shaped steel plate is very difficult to process, the wedge-shaped steel plate needs to be individually customized and processed in a factory, the price is high, the construction time is slow, and therefore the project cost and the pressure of the construction period are increased; secondly, can easily accomplish when only having longitudinal slope to adjust, when indulging horizontal slope all exists, the roof beam bottom slope is difficult to reach accurate control to probably lead to later stage bridge beam supports to appear pressing partially in the use, the condition of distortion even. Therefore, the service life of the bridge is seriously influenced, and meanwhile, hidden dangers are caused to driving safety, so that the later maintenance and repair difficulty is increased, and the cost is increased.
The existing slope regulating equipment is mostly a hinged slope regulator, a single-hinged steel plate is welded on each of two sides of an upper hinged seat plate, two double-hinged steel plates are welded on each of two sides of a lower hinged seat plate, the single-hinged steel plates and the double-hinged steel plates are connected through a pin shaft, the slope regulator with the hinged structure can only realize the adjustment of the slope in a single direction, only the pin shaft plays a role in connection and support, the stress is concentrated, the structural strength is low, the collapse phenomenon is easy to occur, and the slope regulating function is lost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can adjust the slope to precast beam vertical and horizontal direction simultaneously, and support intensity height, the firm novel ball formula accent sloping ware of motion structure.
In order to achieve the above object, the utility model adopts the following technical scheme:
a spherical slope adjuster for longitudinal and transverse slopes of a precast beam comprises a slope adjusting main body consisting of a top seat plate and a base plate, wherein a plurality of telescopic mechanisms consisting of screws are arranged on the periphery of the slope adjusting main body; the method is characterized in that: through ball-type sliding connection between bedplate and the bed plate, telescopic machanism is including setting up screw base between bedplate and the bed plate and the screw rod of being connected with it, the tip of screw rod with bedplate or bed plate are through rotating the connection.
The additional technical characteristics of the spherical slope regulator for the longitudinal and transverse slopes of the precast beam further comprise:
the spherical sliding connection structure between the top seat plate and the base plate is a first spherical friction pair, and comprises a convex spherical crown arranged at the bottom of the top seat plate, and the top of the base plate is provided with a first spherical groove matched with the convex spherical crown;
the first spherical friction pair further comprises a stainless steel ball panel covering the convex spherical crown and a spherical wear plate arranged in the first spherical groove;
the spherical wear plate is made of teflon and is embedded in the spherical clamping groove in the first spherical groove;
the structure of the rotational connection between the screw and the top seat plate or the base plate is a second spherical friction pair, which includes a second spherical groove disposed on the bottom surface of the top seat plate or the surface of the base plate, the second spherical groove is matched with the ball at the end of the screw, and the other end of the screw is connected with a threaded base disposed on the surface of the base plate or the bottom surface of the top seat plate;
the root of the ball head of the screw is a connector with a polygonal section, and a stop block is arranged on the inner side of the second spherical groove and matched with the connector to limit the rotation angle of the ball head of the screw.
The utility model provides a ball-type slope regulator of precast beam longitudinal and transverse slopes compares with prior art, has following advantage: firstly, the top seat plate and the base plate of the novel spherical slope regulator are connected in a spherical sliding mode, namely, the spherical sliding connection mode, so that the diversity of the slope regulating direction is improved, universal rotation can be realized, the adaptability adjustment of the precast beam in the longitudinal slope direction and the transverse slope direction can be met, the working efficiency and the slope regulating effect are improved, meanwhile, the spherical contact increases the connection stability, the supporting strength is higher, the stress of the slope regulator is more uniform, and the movement is safe and stable; and secondly, the periphery of the slope adjusting main body is provided with a plurality of telescopic mechanisms consisting of screw rods, the telescopic mechanisms comprise screw thread bases arranged between the jacking plate and the base plate and screw rods connected with the screw thread bases, the end parts of the screw rods are connected with the jacking plate or the base plate through rotation, and the jacking plate is controlled to swing in height through the length of the screw rods in a telescopic mode.
Drawings
Fig. 1 is the utility model relates to a precast beam longitudinal and transverse slope's ball-type slope regulator's schematic structure diagram.
Detailed Description
The structure and the working principle of the spherical slope adjuster for the longitudinal and transverse slopes of the precast beam provided by the invention are further described in detail with reference to the accompanying drawings.
Referring to fig. 1, it is the utility model provides a precast beam longitudinal and transverse slope's ball-type slope regulator's schematic structure diagram. The structure of the novel spherical slope regulator comprises a slope regulating main body consisting of a top seat plate 1 and a base plate 2, wherein a plurality of telescopic mechanisms consisting of screw rods 31 are arranged at the periphery of the slope regulating main body; the top seat plate 1 and the base plate 2 are connected through a ball-type sliding connection a, the telescopic mechanism comprises a threaded base 32 arranged between the top seat plate 1 and the base plate 2 and a screw rod 31 connected with the threaded base, and the end part of the screw rod 31 is connected with the top seat plate 1 or the base plate 2 through rotation b.
The working principle is as follows: base plate 2 location with the accent slope main part, ejector pad board 1 and base plate 2 pass through ball type sliding connection a, the two is through the sphere contact promptly, a plurality of telescopic machanisms of being connected through screw rod 31 have between ejector pad board 1 and the base plate 2, it comprises screw rod 31 of being connected with it at the screw thread base 32 at base plate 2 edge by the setting, the tip of screw rod 31 is connected b through rotating with ejector pad board 1, through rotatory screw rod 31, telescopic machanism's length changes, the high-low swing appears in ejector pad board 1, the universal regulation to the precast beam slope has been realized.
The screw base 32 can be arranged on the bottom surface of the top seat plate 1, and the end of the screw rod 31 which is correspondingly connected with the screw base by screw threads is connected with the surface of the base plate 2 by rotating b; the number of the telescopic mechanisms (namely the threaded base 32 and the screw rods 31) arranged on the periphery of the slope adjusting main body is multiple, the telescopic mechanisms are preferably uniformly arranged along the axis, and when the top seat plate 1 and the base plate 2 rotate through the spherical sliding connection a, the end part of the screw rod 31 and the rotary connection b of the top seat plate 1 or the base plate 2 can move synchronously and coordinately.
In the structure of the novel spherical slope regulator,
optionally, the structure of the spherical sliding connection a between the top seat plate 1 and the base plate 2 is a first spherical friction pair, which includes a convex spherical crown 11 disposed at the bottom of the top seat plate 1, the top of the base plate 2 is provided with a first spherical groove 21 matched with the convex spherical crown 11, the first spherical friction pair plays a role of spherical connection sliding, can realize horizontal rotation, universal swing and other movement modes, and meet the requirement of multidirectional heightening of the longitudinal slope and the transverse slope of the precast beam, of course, the first spherical friction pair can be set as the convex spherical crown 11 disposed at the top of the base plate 2, and the bottom of the top seat plate 1 is provided with the first spherical groove 21 matched with the convex spherical crown 11;
furthermore, the first spherical friction pair also comprises a stainless steel ball panel 12 covering the convex spherical crown 11 and a spherical wear-resisting plate 22 arranged in the first spherical groove 21, and the stainless steel ball panel 12 and the spherical wear-resisting plate 22 pass through the friction pair, so that the friction coefficient can be reduced, the sliding efficiency is improved, the damping positioning effect is achieved, the rotational wear is prevented, and the service life of the slope adjusting structure is prolonged;
optionally, the spherical wear-resisting plate 22 is made of polytetrafluoroethylene and is embedded in the spherical clamping groove of the first spherical groove 21, the spherical wear-resisting plate 22 made of polytetrafluoroethylene has excellent chemical stability, corrosion resistance, high lubrication non-adhesiveness and good ageing resistance, is smooth in sliding and long in service cycle, is embedded in the spherical clamping groove of the first spherical groove 21, is firm in positioning, tight in matching and good in running stability of a friction pair;
in one embodiment, in order to match the movement of the first spherical friction pair, the structure of the rotational connection b between the screw 31 and the top seat plate 1 is a second spherical friction pair, which includes a second spherical groove 20 disposed on the bottom surface of the top seat plate 1 and matched with a ball 30 at the end of the screw 31, and the other end of the screw 31 is connected with a threaded base 32 disposed on the surface of the base plate 2, when the first spherical friction pair performs horizontal rotation or height swing, the end of the screw 31 can also perform adaptive synchronous movement through the second spherical friction pair, so as to improve the coordination of the overall movement and ensure the universal adjustment of the longitudinal and transverse gradients of the precast beam, of course, the second spherical friction pair can also be configured as a second spherical groove 20 disposed on the surface of the base plate 2 and matched with the ball 30 at the end of the screw 31, and the other end of the screw 31 is connected with the threaded base 32 disposed on the bottom surface of the top seat plate 1, the same effect can be achieved;
furthermore, in order to prevent the phenomenon of structural instability caused by the fact that the end of the screw 31 is too large in rotation amplitude, the screw 31 is inclined, the root of the ball head of the screw 31 is a connecting body 33 with a polygonal section, a stop block 34 is arranged on the inner side of the second spherical groove 20 and is matched with the connecting body 33 to limit the rotation angle of the ball head of the screw 31, the safety of the slope adjusting structure is improved, the screw 31 can be operated to rotate more conveniently through the polygonal connecting body 33, the telescopic length is further controlled, and the slope adjusting efficiency is improved.
Claims (6)
1. A spherical slope adjuster for longitudinal and transverse slopes of a precast beam comprises a slope adjusting main body consisting of a top seat plate and a base plate, wherein a plurality of telescopic mechanisms consisting of screws are arranged on the periphery of the slope adjusting main body; the method is characterized in that: through ball-type sliding connection between bedplate and the bed plate, telescopic machanism is including setting up screw base between bedplate and the bed plate and the screw rod of being connected with it, the tip of screw rod with bedplate or bed plate are through rotating the connection.
2. The spherical slope regulator for the longitudinal and transverse slopes of the precast beam according to claim 1, wherein: the structure of ball-type sliding connection between bedplate and the bed plate is first spherical friction pair, and it is including setting up the protruding spherical crown of bedplate bottom, the bed plate top set up with protruding spherical crown complex first spherical recess.
3. The spherical slope regulator for the longitudinal and transverse slopes of the precast beam according to claim 2, wherein: the first spherical friction pair further comprises a stainless steel ball panel covering the convex spherical crown and a spherical wear-resisting plate arranged in the first spherical groove.
4. The spherical slope regulator for the longitudinal and transverse slopes of the precast beam according to claim 3, wherein: the spherical wear-resisting plate is made of polytetrafluoroethylene and is embedded in the spherical clamping groove in the first spherical groove.
5. The spherical slope regulator for the longitudinal and transverse slopes of the precast beam according to claim 1, wherein: the structure that the rotation between screw rod and ejector plate or the bed plate is connected is second spherical friction pair, and it is including setting up the second spherical recess on ejector plate bottom surface or bed plate surface, second spherical recess with the bulb cooperation of screw rod tip, the other end of screw rod is in with the setting the screw thread base of bed plate surface or ejector plate bottom surface is connected.
6. The spherical slope regulator for the longitudinal and transverse slopes of the precast beam according to claim 5, wherein: the root of the ball head of the screw is a connector with a polygonal section, and the inner side of the second spherical groove is provided with a stop block which is matched with the connector to limit the rotation angle of the ball head of the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022132486.8U CN213260182U (en) | 2020-09-25 | 2020-09-25 | Spherical slope regulator for longitudinal and transverse slopes of precast beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022132486.8U CN213260182U (en) | 2020-09-25 | 2020-09-25 | Spherical slope regulator for longitudinal and transverse slopes of precast beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213260182U true CN213260182U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022132486.8U Active CN213260182U (en) | 2020-09-25 | 2020-09-25 | Spherical slope regulator for longitudinal and transverse slopes of precast beam |
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| Country | Link |
|---|---|
| CN (1) | CN213260182U (en) |
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2020
- 2020-09-25 CN CN202022132486.8U patent/CN213260182U/en active Active
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