CN217104693U - Novel continuous beam spherical steel support - Google Patents

Novel continuous beam spherical steel support Download PDF

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Publication number
CN217104693U
CN217104693U CN202123358957.8U CN202123358957U CN217104693U CN 217104693 U CN217104693 U CN 217104693U CN 202123358957 U CN202123358957 U CN 202123358957U CN 217104693 U CN217104693 U CN 217104693U
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support
plate
bedplate
shaped
continuous beam
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CN202123358957.8U
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白鸿国
孙大斌
李宇
李艳
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China Railway Design Corp
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China Railway Design Corp
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Abstract

The utility model discloses a novel continuous beam ball-type steel support, bedplate on bedplate, support under the support, bedplate on the support are directly provided with the vice structure of combination formula friction, be provided with the driven integrated configuration that carries out the drive integrated configuration and interim fixing support that the amount of prejudice was adjusted under the support between bedplate, the bedplate on the support. The utility model discloses pre-deflection job site adjustment, can control two-way electrodeless regulation, pre-deflection matches the engineering demand accurately; the pre-deviation adjustment output force is large, and the adjustment can be carried out under the working condition of keeping the pre-tightening pressure of the support; the adjustment is simple, the processes of pushing by special tools, gas cutting, welding and the like are omitted, the adjustment cost is low, and the installation time and the number of workers are reduced; the screw thread has self-locking performance, and is favorable for the support to keep the upper plate and the lower plate fixed in the transportation and hoisting processes and before and after pre-deviation adjustment. The utility model discloses in the support of super large tonnage specification, the annular restraint muscle wholly adopts car processing with lower bedplate, improves production efficiency and reduction in production cost.

Description

Novel continuous beam spherical steel support
Technical Field
The utility model belongs to the technical field of subtract shock insulation of engineering such as bridge and building, concretely relates to novel continuous beam ball-type steel support.
Background
The continuous beam installed by the continuous beam spherical steel support has longer span, the support mainly bears the dead weight and dynamic load of a beam body, and a large support with the weight of more than 10000 tons is often needed on a large bridge. The existing support has many defects in the aspects of pre-offset adjustment, friction pair structure and the like.
In the aspect of the pre-offset adjusting device, because the elastic compression of the beam body, the shrinkage and creep of concrete, the thermal expansion and contraction of the beam body and the folding temperature are probably not the average temperature in the local year, the support displacement of the beam end and the non-fixed pier is obvious, and in order to ensure that the movable support is basically in a sliding intermediate state at the average temperature in the local place after completion, the pre-offset adjustment is required to be carried out on the longitudinal support and the multidirectional support of the continuous beam according to the construction conditions at the time when the support is installed.
Currently, the pre-deviation adjustment mainly adopts the following two schemes:
firstly, pre-deviation is set in advance when the support leaves factory
The pre-deviation set in advance is difficult to be accurately matched with the pre-deviation required by the final construction environment (weather or construction period influence, etc.); the derivative models of the supports are increased, the related marks have no unified standard, and the difficulty of production management and field installation is increased.
Secondly, the pre-deviation is adjusted on site
The pre-deviation is adjusted on site and accurately matched with the pre-deviation required by the final construction environment. But tools such as a jack, a welding machine and the like are needed, multiple kinds of work are coordinated, the time is long, and the efficiency is low; in addition, on-site welding operation easily damages parts such as an anti-corrosion coating and a dustproof coaming of the support, and meanwhile, the final appearance is influenced by welding parts.
Disclosure of Invention
The utility model discloses a solve the problem that prior art exists and propose, its purpose provides a novel continuous beam ball-type steel support.
The technical scheme of the utility model is that: the utility model provides a novel continuous beam ball-type steel support, bedplate on bedplate, support under the support, bedplate on the support are directly provided with the vice structure of combination formula friction, be provided with the driven integrated configuration who carries out the drive integrated configuration that the amount of prejudice was adjusted and interim fixing support between bedplate on bedplate, the support under the support.
Furthermore, the driving combined structure comprises an adjusting fixed block, the adjusting fixed block comprises a bottom plate, two parallel rib plates and a back plate, the bottom plate is fixed to the upper end of the lower seat plate of the support, an adjusting screw rod for adjusting is arranged between the rib plates, a transfer block is arranged on the adjusting screw rod, and the transfer block is connected with the upper seat plate of the support.
Furthermore, a positioning hole is formed in the rib plate, the adjusting screw penetrates through the positioning hole and then is screwed with the open nut for fixing, and the adjusting screw and the positioning hole are in clearance fit.
Furthermore, an adjusting screw hole is formed in the adapter block, the adjusting screw is in threaded fit with the adjusting screw hole, a stepped hole is formed in the adapter block, a waist-shaped hole is formed in the back plate, and the transverse fixing screw penetrates through the stepped hole and the waist-shaped hole and is screwed into the side wall of the seat plate on the support.
Furthermore, the driven combined structure comprises a driven adjusting fixing block, the driven adjusting fixing block is the same as the adjusting fixing block in structure, the bottom of the driven adjusting fixing block is fixed with the lower seat plate of the support through a vertical compression screw, a waist-shaped hole is formed in the back plate of the driven adjusting fixing block, and a transverse fixing screw penetrates through the waist-shaped hole and is screwed into the side wall of the upper seat plate of the support.
Still further, the combined friction pair structure comprises an integral wear-resisting plate and a fan-shaped wear-resisting plate, and an integral wear-resisting plate mounting area for accommodating the integral wear-resisting plate and a fan-shaped wear-resisting plate mounting area for accommodating the fan-shaped wear-resisting plate are formed in the support base plate.
Furthermore, a concave spherical groove is formed in the support lower seat plate, an annular restraining rib is arranged in the concave spherical groove, and the annular restraining rib and the concave spherical groove are enclosed to form an integral wear-resisting plate mounting area.
Furthermore, a strip-shaped restraining rib is arranged in the concave spherical groove, an extension line of the strip-shaped restraining rib penetrates through the circle center of the annular restraining rib, and the two strip-shaped restraining ribs, the annular restraining rib and the concave spherical groove are connected to form a fan-shaped wear plate mounting area in a surrounding mode.
Furthermore, the length direction of the strip-shaped restraining rib is an arc surface matched with the concave spherical groove, a screw hole for fixing is formed in the strip-shaped restraining rib, and welding grooves are formed on two sides of the length direction of the strip-shaped restraining rib.
The utility model has the advantages as follows:
the utility model discloses pre-deflection job site adjustment, can control two-way electrodeless regulation, pre-deflection matches the engineering demand accurately; the pre-deviation adjustment output force is large, and the adjustment can be carried out under the working condition of keeping the pre-tightening pressure of the support; the adjustment is simple, the processes of pushing by special tools, gas cutting, welding and the like are omitted, the adjustment cost is low, and the installation time and the number of workers are reduced; the screw thread has self-locking performance, and is favorable for the support to keep the upper plate and the lower plate fixed in the transportation and hoisting processes and before and after pre-deviation adjustment.
The utility model discloses in the support of super large-tonnage specification, annular restraint muscle and lower bedplate wholly adopt car processing, and bar restraint muscle adopts split type processing and the equipment scheme of inlaying, welding, fix with screw, can improve production efficiency and reduction in production cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a part diagram of the adjusting fixing block of the present invention;
FIG. 3 is a part diagram of the transfer block of the present invention;
FIG. 4 is an assembly view of the lower seat plate of the middle support of the present invention;
FIG. 5 is a schematic view of the wear plate mounting area of the present invention;
FIG. 6 is a part view of the bar-shaped constraining ribs of the present invention;
FIG. 7 is a schematic view of another assembly of the saddle plate of the present invention;
wherein:
1 support lower seat board and 2 support upper seat boards
3 vertical compression screw 4 adjusts fixed block
5 transverse fixing screw 6 switching block
7 adjusting screw 8 bolt
9 driven adjusting fixed block of split nut 10
11 integral wear plate 12 annular restraint muscle
13 fan-shaped wear plate 14 strip-shaped restraint rib
15 backboard 16 waist-shaped hole
17 rib plate 18 positioning hole
19 bottom plate 20 fixing hole
21 sector wear plate mounting area 22 integral wear plate mounting area
23 arc surface 24 welding groove
25 screw hole
Step hole 61 and step hole 62 adjust the screw hole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples:
as shown in figures 1-7, a novel continuous beam spherical steel support comprises a support lower seat plate 1 and a support upper seat plate 2, wherein the support lower seat plate 1 and the support upper seat plate 2 are directly provided with a combined friction pair structure, and a driving combined structure for pre-deviation adjustment and a driven combined structure for temporarily fixing the support are arranged between the support lower seat plate 1 and the support upper seat plate 2.
The driving combined structure comprises an adjusting fixing block 4, the adjusting fixing block 4 comprises a bottom plate 19, two parallel rib plates 17 and a back plate 15, the bottom plate 19 is fixed to the upper end of the lower seat plate 1 of the support, an adjusting screw 7 for adjusting is arranged between the rib plates 17, a transfer block 6 is arranged on the adjusting screw 7, and the transfer block 6 is connected with the upper seat plate 2 of the support.
A positioning hole 18 is formed in the rib plate 17, the adjusting screw 7 penetrates through the positioning hole 18 and then is screwed with the open nut 9 for fixing, and the adjusting screw 7 and the positioning hole 18 are in clearance fit.
An adjusting screw hole 62 is formed in the adapter block 6, the adjusting screw 7 is in threaded fit with the adjusting screw hole 62, a stepped hole 61 is formed in the adapter block 6, a waist-shaped hole 16 is formed in the back plate 15, and the transverse fixing screw 5 penetrates through the stepped hole 61 and the waist-shaped hole 16 and is screwed into the side wall of the support upper seat plate 2.
The driven combined structure comprises a driven adjusting fixing block 10, the driven adjusting fixing block 10 and an adjusting fixing block 4 are identical in structure, the bottom of the driven adjusting fixing block 10 is fixed with the support lower seat plate 1 through a vertical compression screw 3, a waist-shaped hole 16 is formed in a back plate 15 of the driven adjusting fixing block 10, and a transverse fixing screw 5 penetrates through the waist-shaped hole 16 and is screwed into the side wall of the support upper seat plate 2.
The combined friction pair structure comprises an integral wear-resisting plate 11 and a fan-shaped wear-resisting plate 13, and an integral wear-resisting plate mounting area 22 for accommodating the integral wear-resisting plate 11 and a fan-shaped wear-resisting plate mounting area 21 for accommodating the fan-shaped wear-resisting plate 13 are formed in the support lower seat plate 1.
A concave spherical groove is formed in the support base plate 1, an annular restraining rib 12 is arranged in the concave spherical groove, and the annular restraining rib 12 and the concave spherical groove are enclosed to form an integral wear plate mounting area 22.
The concave spherical groove is internally provided with a strip-shaped restraining rib 14, the extension line of the strip-shaped restraining rib 14 penetrates through the circle center of the annular restraining rib 12, and the two strip-shaped restraining ribs 14, the annular restraining rib 12 and the concave spherical groove are connected to form a fan-shaped wear plate mounting area 21 in a surrounding mode.
The length direction of the strip-shaped restraining bar 14 is an arc surface 23 matched with the concave spherical groove, a screw hole 25 for fixing is formed in the strip-shaped restraining bar 14, and welding grooves 24 are formed on two sides of the length direction of the strip-shaped restraining bar 14.
The driven adjusting fixing block 10 and the adjusting fixing block 4 are identical in structure, a fixing hole 20 is formed in a bottom plate 19 at the bottom of the adjusting fixing block 4, and a vertical compression screw 3 penetrates through the fixing hole and then is screwed into the support base plate 1, so that the driven adjusting fixing block 10, the adjusting fixing block 4 and the support base plate 1 are fixed.
The back plate 15 of the adjusting fixing block 4 is fixedly connected in the upper seat plate 2 of the support through a transverse fixing screw 5, so that the adjusting fixing block 4 has the function of temporarily fixing the support; the rib plates 17 on the two sides have the function of providing adjusting supporting force for the adjusting screw 7 when the pre-deviation of the support is adjusted, and also have the function of reinforcing the adjusting fixing block 4.
The switching block 6 is of a block structure, and the switching block 6 is provided with a stepped hole 61 matched with the transverse fixing screw 5 and an adjusting threaded hole 62 matched with the adjusting screw 7; the transfer block 6 converts the circumferential force of the adjusting screw 7 into the horizontal force, and transmits the horizontal force to the support upper seat plate 2 through the transverse fixing screw 5, so that the pre-deviation adjusting function is realized.
The adjusting screw 7 is an external thread rod piece, the head of one end of the adjusting screw is in a bolt head structure, the other end of the adjusting screw is provided with a small hole, the small hole is used for installing an open nut and then is fixed by an insert 8, and the adjusting screw 7 penetrates through positioning holes 18 of rib plates 17 on two sides; the external thread of the adjusting screw 7 is matched with the adjusting thread hole 62 of the switching block 6 to form a thread transmission structure, the adjusting screw 7 is rotated at the head of the adjusting screw 7 under the action of external force, and the switching block 6 is moved by rotating the adjusting screw 7 because the two ends are fixed.
The utility model discloses the pre-deflection adjustment process is as follows:
slightly loosening all the transverse fixing screws 5 in the driving combined structure and the driven combined structure to ensure that the transverse fixing screws 5 can move in the waist-shaped holes 16 of the adjusting fixing blocks 4, not loosening the vertical compression screws 3, keeping the locking force of the vertical compression screws to continuously play the roles of fixing the support and ensuring the total height of the support.
The adjusting screw 7 is rotated by external force, the adjusting screw 7 and the switching block 6 form thread transmission, so that the switching block 6 moves horizontally, the switching block 6 transmits the horizontal movement of the switching block 6 to the base plate 2 on the support through the transverse fixing screw 5, the same horizontal movement occurs, and the pre-deviation adjusting function is realized.
Because the screw transmission has the characteristic of large adjusting output force, the adjustment can be carried out under the working condition of keeping the pre-tightening pressure of the support, and the accurate pre-deviation and left-right bidirectional stepless adjustment can be realized.
Correspondingly, when the support is not subjected to pre-deviation adjustment, the transverse fixing screw 5 connects and fixes the transfer block, the adjusting fixing block 4 and the support upper seat plate 2 together, the vertical compression screw 3 provides certain vertical force to connect and fasten the adjusting fixing block 4 and the support lower seat plate 1 together, and the driving combined structure and the driven combined structure play a role in temporarily fixing the support together.
The threads have self-locking property, so that the upper plate and the lower plate are kept fixed in the transportation and hoisting processes of the support and before and after pre-deviation adjustment.
The utility model provides a structure is adjusted to unbalance correction in advance when playing the interim fixing device effect of support, also can realize carrying out the function that the unbalance correction was adjusted in advance at the bearing installation scene. The parts have simple structure, clear principle and obvious cost advantage.
The utility model discloses well offset in advance need not set up in advance when dispatching from the factory, can adjust offset in advance at the job site, can accurate matching engineering demand, has avoided specialized tool to promote, and unfavorable regulation offset process in advance such as gas cutting, welding can not cause the damage to the part of support, guarantees support appearance quality.
The method for integrally machining the lower seat plate 1 and the annular restraining rib 12 by using the vehicle comprises the steps of machining the arc-shaped size part of the strip-shaped restraining rib 14 by using linear cutting, machining welding grooves 24 welded with the lower seat plate at two ends of the strip-shaped restraining rib 14, arranging a screw hole 25 in the middle of the strip-shaped restraining rib, inlaying the strip-shaped restraining rib 14 between the outer side of the annular restraining rib 12 and the outer diameter of the concave spherical groove, welding and fixing two ends of the strip-shaped restraining rib, fixing the middle area of the strip-shaped restraining rib with the lower seat plate 1 by using a screw, and welding and fixing the contact part of the strip-shaped restraining rib 14 and the lower seat plate 1 by using a screw.
The processing and assembling scheme solves the problems of low efficiency and high cost caused by the fact that the lower seat plate of the friction pair structure is integrally processed by the processing center.
The utility model provides a friction pair structure is integral antifriction plate and fan-shaped antifriction plate integrated configuration together, mainly uses on the support of large-scale specification, and this integrated configuration can reduce integral antifriction plate size by a wide margin, and fan-shaped antifriction plate distributes in the integral antifriction plate outside along the circumference, has avoided the many shortcomings of above-mentioned integral antifriction plate and small circle piece antifriction plate structure.
The utility model discloses in, be provided with the protection bounding wall between bedplate 1 under the support, the support bedplate 2 on, the protection bounding wall more adopts the polyester material, and its hydrolysis resistance can be limited, easily appears hydrolyzing ageing phenomenon in southern moist rainy area, and the severe cold low temperature area in the north (area below 0 ℃) when winter simultaneously, its barrier propterty all reduces by a wide margin.
The utility model provides a protection bounding wall adopts the polyether material, and its hydrolytic resistance performance and low temperature performance all are superior to the bounding wall of polyester material, and the cost is not big with the mounting means difference.
Preferably, the combination form of the driving combination structure and the driven combination structure can be various, and the combination form can be, but is not limited to, the following combination form:
the driving combination structure is one, and the driven combination structure is three.
And secondly, the driving combined structure comprises two parts, and the driven combined structure comprises two parts.
And thirdly, the driving combined structure is arranged at four positions, and the driven combined structure is arranged at zero position.
Furthermore, the vertical fixing screw 3 can be fixed on the upper seat plate 2 of the support, and correspondingly, the horizontal fixing screw 5 is fixed on the lower seat plate 1 of the support, so that the pre-offset adjusting function of the invention can be realized.
The number of the distribution of the strip-shaped constraining ribs 14 is at least two, and is not limited to four and six in the example of the present invention.
Preferably, the assembly scheme of the strip-shaped constraining rib 14 and the support base plate 1 can be pure welding fixation or pure screw fixation, and is not limited to the assembly fixation mode of welding and screws in the invention, and correspondingly, a strip-shaped sunken groove can be processed in the concave spherical groove, the thickness of the strip-shaped constraining rib is increased, and the constraining rib is embedded into the sunken groove for fixation, and is not limited to the assembly fixation mode in the invention.
The utility model discloses pre-deflection job site adjustment, can control two-way electrodeless regulation, pre-deflection matches the engineering demand accurately; the pre-deviation adjustment output force is large, and the adjustment can be carried out under the working condition of keeping the pre-tightening pressure of the support; the adjustment is simple, the processes of pushing by special tools, gas cutting, welding and the like are omitted, the adjustment cost is low, and the installation time and the number of workers are reduced; the screw thread has self-locking performance, and is favorable for the support to keep the upper plate and the lower plate fixed in the transportation and hoisting processes and before and after pre-deviation adjustment.
The utility model discloses in the support of super large-tonnage specification, annular restraint muscle and lower bedplate wholly adopt car processing, and bar restraint muscle adopts split type processing and the equipment scheme of inlaying, welding, fix with screw, can improve production efficiency and reduction in production cost.

Claims (9)

1. The utility model provides a novel continuous beam ball-type steel support, includes support bedplate (1), support bedplate (2) on, its characterized in that: the combined type friction pair structure is directly arranged on the lower support seat plate (1) and the upper support seat plate (2), and a driving combined structure for pre-deviation adjustment and a driven combined structure for temporarily fixing the support are arranged between the lower support seat plate (1) and the upper support seat plate (2).
2. The novel continuous beam ball type steel support according to claim 1, characterized in that: the drive integrated configuration is including adjusting fixed block (4), adjust fixed block (4) and include bottom plate (19), two parallel gusset (17), backplate (15), bottom plate (19) are fixed mutually with support bedplate (1) upper end down, be provided with adjusting screw (7) that the regulation was used between gusset (17), be provided with on adjusting screw (7) and change over piece (6), change over piece (6) and support bedplate (2) link to each other.
3. The novel continuous beam ball type steel support according to claim 2, characterized in that: positioning holes (18) are formed in the rib plates (17), the adjusting screw (7) penetrates through the positioning holes (18) and then is screwed with the open nuts (9) for fixing, and the adjusting screw (7) and the positioning holes (18) are in clearance fit.
4. The novel continuous beam ball type steel support according to claim 3, characterized in that: an adjusting screw hole (62) is formed in the transfer block (6), the adjusting screw rod (7) is in threaded fit with the adjusting screw hole (62), a stepped hole (61) is formed in the transfer block (6), a waist-shaped hole (16) is formed in the back plate (15), and the transverse fixing screw (5) penetrates through the stepped hole (61) and the waist-shaped hole (16) and is screwed into the side wall of the seat plate (2) on the support.
5. The novel continuous beam ball type steel support according to claim 2, characterized in that: the driven integrated configuration is including driven regulation fixed block (10), driven regulation fixed block (10) is the same with regulation fixed block (4) structure, the bottom of driven regulation fixed block (10) is fixed mutually through vertical housing screw (3) and support bedplate (1), forms waist shape hole (16) in backplate (15) of driven regulation fixed block (10), and horizontal set screw (5) pass waist shape hole (16) and twist in the lateral wall of bedplate (2) on the support.
6. The novel continuous beam ball type steel support according to claim 5, characterized in that: the combined friction pair structure comprises an integral wear-resistant plate (11) and a fan-shaped wear-resistant plate (13), and an integral wear-resistant plate mounting area (22) for accommodating the integral wear-resistant plate (11) and a fan-shaped wear-resistant plate mounting area (21) for accommodating the fan-shaped wear-resistant plate (13) are formed in the support base plate (1).
7. The novel continuous beam ball type steel support according to claim 6, characterized in that: a concave spherical groove is formed in the support lower seat plate (1), an annular restraining rib (12) is arranged in the concave spherical groove, and the annular restraining rib (12) and the concave spherical groove are enclosed to form an integral wear-resisting plate mounting area (22).
8. The novel continuous beam ball type steel support according to claim 7, characterized in that: be provided with bar restraint muscle (14) in the concave spherical groove, the centre of a circle of annular restraint muscle (12) is passed in the extension line of bar restraint muscle (14), links to each other two bar restraint muscle (14), annular restraint muscle (12), concave spherical groove and encloses and close and form fan-shaped antifriction plate installing zone (21).
9. The novel continuous beam ball type steel support according to claim 8, characterized in that: the length direction of the strip-shaped restraining rib (14) is an arc surface (23) matched with the concave spherical groove, a screw hole (25) for fixing is formed in the strip-shaped restraining rib (14), and a welding groove (24) is formed on two sides of the length direction of the strip-shaped restraining rib (14).
CN202123358957.8U 2021-12-29 2021-12-29 Novel continuous beam spherical steel support Active CN217104693U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123358957.8U CN217104693U (en) 2021-12-29 2021-12-29 Novel continuous beam spherical steel support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123358957.8U CN217104693U (en) 2021-12-29 2021-12-29 Novel continuous beam spherical steel support

Publications (1)

Publication Number Publication Date
CN217104693U true CN217104693U (en) 2022-08-02

Family

ID=82592442

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123358957.8U Active CN217104693U (en) 2021-12-29 2021-12-29 Novel continuous beam spherical steel support

Country Status (1)

Country Link
CN (1) CN217104693U (en)

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