CN108894101B - Pre-deviation adjusting assembly, bridge support and using method of bridge support - Google Patents
Pre-deviation adjusting assembly, bridge support and using method of bridge support Download PDFInfo
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- CN108894101B CN108894101B CN201810927522.4A CN201810927522A CN108894101B CN 108894101 B CN108894101 B CN 108894101B CN 201810927522 A CN201810927522 A CN 201810927522A CN 108894101 B CN108894101 B CN 108894101B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
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Abstract
The invention relates to a pre-deviation adjusting assembly, a bridge support and a using method of the bridge support, wherein the pre-deviation adjusting assembly comprises a first base, a second base, a third base, a first pre-deviation screw rod and a second pre-deviation screw rod, and the first base is detachably and fixedly connected to the first support; the second base is detachably and fixedly connected to the second support; the third base is detachably and fixedly connected to the first support; one end of the first pre-biasing screw is in butt fit with the first base, and the other end of the first pre-biasing screw is in threaded transmission connection with the second base; one end of the second pre-biased screw rod is in butt fit with the third base, and the other end of the second pre-biased screw rod is in threaded transmission connection with the second base. When the pre-deviation adjusting assembly is used, the first pre-deviation screw rod or the second pre-deviation screw rod is driven by simple tool devices such as a wrench, so that the dependence on construction field equipment is reduced.
Description
Technical Field
The invention relates to the technical field of pre-deviation adjustment of bridge supports, in particular to a pre-deviation adjustment assembly, a bridge support and a using method of the bridge support.
Background
At present, in construction, a concrete bridge can deform due to shrinkage or temperature difference, so that the central line of a support at the bottom of the bridge deviates from the central line of the support of an abutment, the support needs to be pre-deviated during installation, and the bridge can meet the design stress requirement during normal work.
However, due to limited construction site conditions, pre-deviation adjustment of the support is greatly affected by construction equipment.
Disclosure of Invention
Based on the above, the invention provides a pre-deviation adjusting assembly, a bridge support and a using method of the bridge support to overcome the defects of the prior art, so as to reduce the dependence of pre-deviation adjustment on construction field equipment.
A pre-deviation adjusting assembly comprises a first base, a second base, a third base, a first pre-deviation screw rod and a second pre-deviation screw rod, wherein the first base is detachably and fixedly connected to a first support; the second base is detachably and fixedly connected to the second support; the third base is detachably and fixedly connected to the first support; one end of the first pre-biasing screw is in butt fit with the first base, the other end of the first pre-biasing screw is in threaded transmission connection with the second base, and the first pre-biasing screw is rotated to enable the second base to move towards a first pre-biasing direction relative to the first base; one end of the second pre-biased screw is in butt fit with the third base, the other end of the second pre-biased screw is in threaded transmission connection with the second base, and the second pre-biased screw is rotated to enable the third base to move towards a second pre-biased direction relative to the second base.
The pre-deviation adjusting assembly is used in factory transportation: the first base, the second base and the third base are correspondingly installed on the first base and the second base, the first pre-deflection screw rod is installed on the first base and the second base, the second pre-deflection screw rod is installed on the second base and the third base, the relative position relation of the first support and the second support in transportation can be guaranteed through the first base, the second base, the third base, the first pre-deflection screw rod and the second pre-deflection screw rod, and the first support and the second support are prevented from sliding relatively to be deflected. During pre-bias adjustment: when the second support needs to move towards the first pre-deviation direction relative to the first support, loosening the second pre-deviation screw rod, and rotating the first pre-deviation screw rod to enable the second support to move towards the first pre-deviation direction relative to the first support; when the second support needs to move towards the second pre-deviation direction relative to the first support, the first pre-deviation screw rod is loosened, and the second pre-deviation screw rod is rotated to enable the second support to move towards the second pre-deviation direction relative to the first support, so that the pre-deviation adjusting direction is facilitated; meanwhile, in pre-deviation adjustment, the pre-deviation adjustment directions of the first pre-deviation screw and the second pre-deviation screw can be mutually corrected, so that the accuracy of pre-deviation adjustment is improved. During installation and transportation, the relative position relation between the first support and the second base can be stabilized through the first pre-deviation screw and the second pre-deviation screw which are loosely installed and detached, so that the first support and the second support can keep the relative stable position relation during transportation. When the pre-deviation adjusting assembly is used, the first pre-deviation screw rod or the second pre-deviation screw rod is driven by simple tool devices such as a wrench, so that the dependence on construction field equipment is reduced.
In one embodiment, the second base is disposed between the first base and the third base; the first base is provided with a first through hole, the first pre-deflection screw rod penetrates through the first through hole, a first abutting end is fixedly arranged on the first pre-deflection screw rod, and the first abutting end abuts against one side, far away from the second base, of the first base; the third base is provided with a second through hole, the second pre-biased screw rod penetrates through the second through hole, the second pre-biased screw rod is fixedly provided with a second abutting end, and the second abutting end abuts against one side, far away from the second base, of the third base. In use: the first pre-deviation screw is rotated, the first abutting end is abutted against one side of the first base, which is far away from the second base, and the second base drives the second base and the second support to move relative to the first support under the traction of the first pre-deviation screw; meanwhile, the first pre-deviation screw rod is arranged in the first through hole in a penetrating mode, the position of the first pre-deviation screw rod is limited through the inner wall of the first through hole, the relative position relation of the first pre-deviation screw rod and the first base can be guaranteed, the use stability is guaranteed, and the adjustment is simple and the operation is convenient. The second pre-deviation screw is rotated, the second abutting end is abutted against one side, far away from the second base, of the third base, and the second base drives the second base and the second support to move relative to the first support under the traction of the second pre-deviation screw; meanwhile, the second pre-biased screw rod is arranged in the second through hole in a penetrating mode, the position of the first pre-biased screw rod is limited through the inner wall of the second through hole, the relative position relation between the second pre-biased screw rod and the third base can be guaranteed, the use stability is guaranteed, and the adjustment is simple and the operation is convenient.
In one embodiment, a first strip-shaped hole is formed in the first base, the first strip-shaped hole is formed along a first pre-bias direction, and the first strip-shaped hole is used for being in sliding fit with a first guide rod arranged on the second support; and a second strip-shaped hole is formed in the third base and is formed in the second pre-deviation direction, and the second strip-shaped hole is used for being in sliding fit with a second guide rod arranged on the second support. In use, the relative sliding direction of the first support and the second support can be further limited through the matching of the first guide rod and the first strip-shaped hole on the second support and the matching of the second guide rod and the second strip-shaped hole, and the direction precision of pre-deviation adjustment is improved.
In one embodiment, a lifting lug is arranged on the first base; or the second base is provided with a lifting lug; or the third base is provided with a lifting lug. In use, when the first support and the second support need to be carried, the lifting lugs on the first base, the second base or the third base can be used for conveniently carrying the first support and the second support through lifting. After the lifting lug is used, the first base and the second base are detached, so that the lifting lug can be separated from the first support and the second support, and the lifting lug is simple in structure and convenient to carry.
In one embodiment, the first base is provided with a first connecting hole, and the first connecting hole is used for penetrating a first fastener for connecting the first support and the first base; the third base is provided with a third connecting hole, and the third connecting hole is used for penetrating and connecting a second fastener of the first support and the first base; simple structure, easy dismounting, it is little to the application influence on first pedestal surface.
In one embodiment, the second base is provided with a second connecting hole, and the second connecting hole is used for penetrating and arranging a third fastener for connecting the second support and the second base; simple structure, easy dismounting, it is little to the application influence on second support surface.
A bridge support comprises a first support, a second support and a pre-deviation adjusting assembly, wherein a first base is detachably and fixedly connected to the first support; the second base is detachably and fixedly connected to the second support; the third base is detachably and fixedly connected to the first support; one end of the first pre-biasing screw is in butt fit with the first base, the other end of the first pre-biasing screw is in threaded transmission connection with the second base, and the first pre-biasing screw is rotated to enable the second base to move towards a first pre-biasing direction relative to the first base; one end of the second pre-biased screw is in butt fit with the third base, the other end of the second pre-biased screw is in threaded transmission connection with the second base, and the second pre-biased screw is rotated to enable the third base to move towards a second pre-biased direction relative to the second base.
Above-mentioned bridge beam supports, in the transport of dispatching from the factory: the first base, the second base and the third base are correspondingly arranged on the first base and the second base, the first pre-deflection screw rod is arranged on the first base and the second base, the second pre-deflection screw rod is arranged on the second base and the third base, and the relative position relation of the first support and the second support in transportation can be limited through the first base, the second base, the third base, the first pre-deflection screw rod and the second pre-deflection screw rod, so that the first support and the second support are prevented from being deflected due to relative sliding. During pre-bias adjustment: when the second support needs to move towards the first pre-deviation direction relative to the first support, loosening the second pre-deviation screw rod, and rotating the first pre-deviation screw rod to enable the second support to move towards the first pre-deviation direction relative to the first support; when the second support needs to move towards the second pre-deviation direction relative to the first support, the first pre-deviation screw rod is loosened, and the second pre-deviation screw rod is rotated to enable the second support to move towards the second pre-deviation direction relative to the first support, so that the pre-deviation adjusting direction is facilitated; meanwhile, in pre-deviation adjustment, the pre-deviation adjustment directions of the first pre-deviation screw and the second pre-deviation screw can be mutually corrected, so that the accuracy of pre-deviation adjustment is improved. During installation and transportation, the relative position relation between the first support and the second base can be stabilized through the first pre-deviation screw and the second pre-deviation screw which are loosely installed and detached, so that the first support and the second support can keep the relative stable position relation during transportation. When the pre-deviation adjusting assembly is used, the first pre-deviation screw rod or the second pre-deviation screw rod is driven by simple tool devices such as a wrench, so that the dependence on construction field equipment is reduced.
In one embodiment, there are two sets of pre-bias adjustment elements, and the two sets of pre-bias adjustment elements are respectively located at two sides of the first pre-bias direction or the second pre-bias direction. Two groups of pre-deviation adjusting assemblies are arranged, and in pre-deviation adjustment, when the second support needs to move towards a first pre-deviation direction relative to the first support, two second pre-deviation screw rods are simultaneously rotated; when the second support needs to move towards the second pre-deviation direction relative to the first support, the two first pre-deviation screw rods are rotated simultaneously, so that the second support is uniformly stressed, the pre-deviation adjusting precision is improved, and the second support is prevented from deviating in the adjusting direction due to nonuniform stress.
A use method of the bridge bearing comprises the following steps: s100, determining a pre-bias direction: determining the pre-deviation adjusting direction of the second support relative to the first support according to design requirements; s200, pre-bias adjustment: when the pre-deviation adjusting direction is the same as the first pre-deviation direction, the second pre-deviation screw is loosened, the first pre-deviation screw is rotated, and the second support is enabled to slide in a deviation way relative to a support; or when the pre-deviation adjusting direction is the same as the second pre-deviation direction, the first pre-deviation screw rod is loosened, and the second pre-deviation screw rod is rotated to enable the second support to slide in a deviation way relative to the first support.
In delivery and transportation: the first base, the second base and the third base are correspondingly arranged on the first base and the second base, the first pre-deflection screw rod is arranged on the first base and the second base, the second pre-deflection screw rod is arranged on the second base and the third base, and the relative position relation of the first support and the second support in transportation can be limited through the first base, the second base, the third base, the first pre-deflection screw rod and the second pre-deflection screw rod, so that the first support and the second support are prevented from being deflected due to relative sliding. During pre-bias adjustment: when the second support needs to move towards the first pre-deviation direction relative to the first support, loosening the second pre-deviation screw rod, and rotating the first pre-deviation screw rod to enable the second support to move towards the first pre-deviation direction relative to the first support; when the second support needs to move towards the second pre-deviation direction relative to the first support, the first pre-deviation screw rod is loosened, and the second pre-deviation screw rod is rotated to enable the second support to move towards the second pre-deviation direction relative to the first support, so that the pre-deviation adjusting direction is facilitated; meanwhile, in pre-deviation adjustment, the pre-deviation adjustment directions of the first pre-deviation screw and the second pre-deviation screw can be mutually corrected, so that the accuracy of pre-deviation adjustment is improved.
In one embodiment, the method for using the bridge bearing further comprises the following steps: s300, adjusting the stability pre-deviation: and installing a loose and detachable first pre-biased screw or a loose and detachable second pre-biased screw. During installation and transportation, the relative position relation between the first support and the second base can be stabilized through the first pre-deviation screw and the second pre-deviation screw which are loosely installed and detached, so that the first support and the second support can keep the relative stable position relation during transportation. When the pre-deviation adjusting assembly is used, the first pre-deviation screw rod or the second pre-deviation screw rod is driven by simple tool devices such as a wrench, so that the dependence on construction field equipment is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a pre-bias adjustment assembly according to an embodiment;
FIG. 2 is an exploded view of a pre-bias adjustment assembly according to one embodiment;
fig. 3 is a schematic structural diagram of a bridge bearing according to an embodiment.
Description of reference numerals: 10. pre-deviation adjusting assembly, 110, a first base, 111, a first through hole, 112, a first strip-shaped hole, 113, a first connecting hole, 120, a second base, 121, a second connecting hole, 130, a third base, 131, a second through hole, 132, a second strip-shaped hole, 133, a third connecting hole, 140, a first pre-deviation screw rod, 141, a first abutting end, 150, a second pre-deviation screw rod, 151, a second abutting end, 160, a lifting lug, 171, a first fastener, 172, a second fastener, 173, a third fastener, 210, a first support, 220, a second support, 221, a first guide rod, 222 and a second guide rod.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, an embodiment provides a pre-bias adjustment assembly 10, including a first base 110, a second base 120, a third base 130, a first pre-bias screw 140, and a second pre-bias screw 150, wherein the first base 110 is detachably fixed to a first support 210; the second base 120 is detachably and fixedly connected to the second support 220; the third base 130 is used for being detachably and fixedly connected to the first support 210; one end of the first pre-biased screw 140 is abutted and matched with the first base 110, the other end of the first pre-biased screw 140 is in threaded transmission connection with the second base 120, and the first pre-biased screw 140 is rotated to enable the second base 120 to move towards a first pre-biased direction relative to the first base 110; one end of the second pre-biased screw 150 is abutted and matched with the third base 130, the other end of the second pre-biased screw 150 is in threaded transmission connection with the second base 120, and the second pre-biased screw 150 is rotated to enable the third base 130 to move towards the second pre-biased direction relative to the second base 120.
The pre-deviation adjusting assembly 10, during factory transportation: the first base 110, the second base 120 and the third base 130 are correspondingly installed on the first base 110 and the second base 120, the first pre-biased screw 140 is installed on the first base 110 and the second base 120, the second pre-biased screw 150 is installed on the second base 120 and the third base 130, the relative position relationship of the first support 210 and the second support 220 in transportation can be ensured through the first base 110, the second base 120, the third base 130, the first pre-biased screw 140 and the second pre-biased screw 150, and the relative sliding deviation of the first support 210 and the second support 220 is avoided. During pre-bias adjustment: when the second support 220 needs to move towards the first pre-deviation direction relative to the first support 210, the second pre-deviation screw 150 is loosened, the first pre-deviation screw 140 is rotated, and the second support 220 moves towards the first pre-deviation direction relative to the first support 210; when the second support 220 needs to move towards the second pre-deviation direction relative to the first support 210, the first pre-deviation screw 140 is loosened, and the second pre-deviation screw 150 is rotated, so that the second support 220 moves towards the second pre-deviation direction relative to the first support 210, and the pre-deviation adjusting direction is convenient; meanwhile, in the pre-deviation adjustment, the first pre-deviation screw 140 and the second pre-deviation screw 150 can mutually correct the pre-deviation adjustment directions of the two screws, so as to improve the precision of the pre-deviation adjustment. During mounting and transportation, the relative positional relationship between the first support 210 and the second base 120 can be stabilized by the first pre-bias screw 140 and the second pre-bias screw 150 which are loosely mounted and dismounted, so that the first support 210 and the second support 220 can maintain a relatively stable positional relationship during transportation. When the pre-biased adjustment assembly 10 is used, a simple tool such as a wrench can be used to drive the first pre-biased screw 140 or the second pre-biased screw 150, thereby reducing the dependence on the construction field equipment.
It should be noted that the first pre-bias direction refers to the screw transmission direction of the first pre-bias screw 140 and the second base 120, and the second pre-bias direction refers to the screw transmission direction of the second pre-bias screw 150 and the second base 120. Referring to fig. 1, the first pre-bias direction is the direction a in the drawing, and the second pre-bias direction is the direction B in the drawing.
In this embodiment, the first pre-bias direction and the second pre-bias direction are opposite in direction.
In one embodiment, the second base 120 is disposed between the first base 110 and the third base 130; the first base 110 is provided with a first through hole 111, the first pre-biased screw 140 is arranged in the first through hole 111 in a penetrating manner, the first pre-biased screw 140 is fixedly provided with a first abutting end 141, and the first abutting end 141 is abutted against one side of the first base 110 far away from the second base 120; the third base 130 is provided with a second through hole 131, the second pre-biased screw 150 is arranged in the second through hole 131 in a penetrating manner, the second pre-biased screw 150 is fixedly provided with a second abutting end 151, and the second abutting end 151 abuts against one side, far away from the second base 120, of the third base 130. In use: rotating the first pre-biased screw 140, and by the first abutting end 141 abutting against the side of the first base 110 far from the second base 120, the second base 120 drives the second base 120 and the second support 220 to move relative to the first support 210 under the traction of the first pre-biased screw 140; meanwhile, as the first pre-biased screw 140 is arranged in the first through hole 111 in a penetrating manner, the position of the first pre-biased screw 140 is limited by the inner wall of the first through hole 111, so that the relative position relationship between the first pre-biased screw 140 and the first base 110 can be ensured, the use stability is ensured, and the adjustment is simple and the operation is convenient. The second pre-biased screw 150 is rotated, and the second abutting end 151 abuts against one side of the third base 130, which is far away from the second base 120, so that the second base 120 drives the second base 120 and the second support 220 to move relative to the first support 210 under the traction of the second pre-biased screw 150; meanwhile, the second pre-biased screw 150 is arranged in the second through hole 131 in a penetrating manner, and the position of the first pre-biased screw 140 is limited by the inner wall of the second through hole 131, so that the relative position relationship between the second pre-biased screw 150 and the third base 130 can be ensured, the use stability is ensured, and the adjustment is simple and the operation is convenient.
In an embodiment, the first base 110 is provided with a first bar-shaped hole 112, the first bar-shaped hole 112 is formed along a first pre-bias direction, and the first bar-shaped hole 112 is used for sliding fit with a first guide rod 221 arranged on the second support 220; a second strip-shaped hole 132 is formed in the third base 130, the second strip-shaped hole 132 is formed in the second pre-bias direction, and the second strip-shaped hole 132 is used for being in sliding fit with a second guide rod 222 arranged on the second support 220. In use, the relative sliding direction of the first support 210 and the second support 220 can be further limited by the matching of the first guide rod 221 and the first strip-shaped hole 112 on the second support 220 and the matching of the second guide rod 222 and the second strip-shaped hole 132, and the direction accuracy of pre-deviation adjustment is improved.
Specifically, in this embodiment, one end of the first guide rod 221 is connected to the second support 220 by a screw, and the other end of the first guide rod 221 is provided with a first limit head, and the first limit head is abutted to one side of the first base 110 far from the second support 220. The first base 110 is restricted on the first guide bar 221 by the first stopper and the second holder 220, so that the first base 110 is prevented from being separated from the first guide bar 221.
Further, the first guide rod 221 may be a screw rod, a rod section of the screw rod is slidably engaged with the first strip-shaped hole 112, and a nut of the screw rod is used as the first limiting head.
Specifically, in this embodiment, one end of the second guide rod 222 is connected to the second support 220 by a screw, and the other end of the second guide rod 222 is provided with a second limit head, and the second limit head is abutted to one side of the third base 130 far from the second support 220. The third base 130 is restricted on the second guide bar 222 by the second stopper and the second support 220, so that the third base 130 is prevented from being separated from the second guide bar 222.
Further, the second guiding rod 222 may be a screw rod, and a rod section of the screw rod is slidably engaged with the second strip-shaped hole 132, and a nut of the screw rod is used as the second limiting head.
In one embodiment, the first base 110 is provided with a lifting lug 160; or the second base 120 is provided with a lifting lug 160; or the third base 130 is provided with a lifting lug 160. In use, when the first support 210 and the second support 220 need to be carried, the first support 210 and the second support 220 can be conveniently carried by lifting the lifting lugs 160 on the first base 110, the second base 120 or the third base 130. After use, the lifting lug 160 can be separated from the first support 210 and the second support 220 by detaching the first base 110 and the second base 120, which is convenient for carrying and has a simple structure.
Specifically, in the present embodiment, the lifting lug 160 is disposed on the first base 110 and the second base 120.
In one embodiment, the first base 110 is provided with a first connection hole 113, and the first connection hole 113 is used for penetrating a first fastener 171 for connecting the first support 210 and the first base 110; the third base 130 is provided with a third connecting hole 133, and the third connecting hole 133 is used for penetrating and connecting the second fastener 172 of the first support 210 and the first base 110; simple structure, easy dismounting, it is little to the coating influence on first support 210 surface.
In one embodiment, the second base 120 is provided with a second connecting hole 121, and the second connecting hole 121 is used for penetrating and connecting the second support 220 and a third fastener 173 of the second base 120; simple structure, easy dismounting, it is little to the coating influence on second support 220 surface.
Specifically, in the present embodiment, the first fastener 171, the second fastener 172, and the third fastener 173 are all bolts.
Referring to fig. 3, another embodiment provides a bridge bearing, which includes a first bearing 210, a second bearing 220 and the pre-deviation adjusting assembly 10, wherein the first base 110 is detachably fixed on the first bearing 210; the second base 120 is detachably and fixedly connected to the second support 220; the third base 130 is detachably and fixedly connected to the first support 210; one end of the first pre-biased screw 140 is abutted and matched with the first base 110, the other end of the first pre-biased screw 140 is in threaded transmission connection with the second base 120, and the first pre-biased screw 140 is rotated to enable the second base 120 to move towards a first pre-biased direction relative to the first base 110; one end of the second pre-biased screw 150 is abutted and matched with the third base 130, the other end of the second pre-biased screw 150 is in threaded transmission connection with the second base 120, and the second pre-biased screw 150 is rotated to enable the third base 130 to move towards the second pre-biased direction relative to the second base 120.
Above-mentioned bridge beam supports, in the transport of dispatching from the factory: the first base 110, the second base 120 and the third base 130 are correspondingly installed on the first base 110 and the second base 120, the first pre-biased screw 140 is installed on the first base 110 and the second base 120, the second pre-biased screw 150 is installed on the second base 120 and the third base 130, and the relative position relationship between the first support 210 and the second support 220 in transportation can be limited through the first base 110, the second base 120, the third base 130, the first pre-biased screw 140 and the second pre-biased screw 150, so that the first support 210 and the second support 220 are prevented from being deviated due to relative sliding. During pre-bias adjustment: when the second support 220 needs to move towards the first pre-deviation direction relative to the first support 210, the second pre-deviation screw 150 is loosened, the first pre-deviation screw 140 is rotated, and the second support 220 moves towards the first pre-deviation direction relative to the first support 210; when the second support 220 needs to move towards the second pre-deviation direction relative to the first support 210, the first pre-deviation screw 140 is loosened, and the second pre-deviation screw 150 is rotated, so that the second support 220 moves towards the second pre-deviation direction relative to the first support 210, and the pre-deviation adjusting direction is convenient; meanwhile, in the pre-deviation adjustment, the first pre-deviation screw 140 and the second pre-deviation screw 150 can mutually correct the pre-deviation adjustment directions of the two screws, so as to improve the precision of the pre-deviation adjustment. During mounting and transportation, the relative positional relationship between the first support 210 and the second base 120 can be stabilized by the first pre-bias screw 140 and the second pre-bias screw 150 which are loosely mounted and dismounted, so that the first support 210 and the second support 220 can maintain a relatively stable positional relationship during transportation. When the pre-biased adjustment assembly 10 is used, a simple tool such as a wrench can be used to drive the first pre-biased screw 140 or the second pre-biased screw 150, thereby reducing the dependence on the construction field equipment.
In one embodiment, there are two sets of pre-bias adjusting elements 10, and the two sets of pre-bias adjusting elements 10 are respectively located at two sides of the first pre-bias direction or the second pre-bias direction. Two sets of pre-deviation adjusting assemblies 10 are arranged, in the pre-deviation adjustment, when the second support 220 needs to move towards the first pre-deviation direction relative to the first support 210, the two second pre-deviation screws 150 are rotated simultaneously; when the second support 220 needs to move towards the second pre-deflection direction relative to the first support 210, the two first pre-deflection screws 140 are rotated simultaneously, so that the stress on the second support 220 is uniform, the pre-deflection adjusting precision is improved, and the second support 220 is prevented from deviating in the adjusting direction due to nonuniform stress.
Referring to fig. 3, in another embodiment, a method for using the bridge bearer is provided, including the following steps: s100, determining a pre-bias direction: determining the pre-deviation adjusting direction of the second support 220 relative to the first support 210 according to design requirements; s200, pre-bias adjustment: when the pre-deviation adjusting direction is the same as the first pre-deviation direction, the second pre-deviation screw 150 is loosened, the first pre-deviation screw 140 is rotated, and the second support 220 slides in a deviation way relative to the first support 210; or when the pre-deviation adjusting direction is the same as the second pre-deviation direction, the first pre-deviation screw 140 is loosened, and the second pre-deviation screw 150 is rotated, so that the second support 220 slides in a deviation way relative to the first support 210.
In delivery and transportation: the first base 110, the second base 120 and the third base 130 are correspondingly installed on the first base 110 and the second base 120, the first pre-biased screw 140 is installed on the first base 110 and the second base 120, the second pre-biased screw 150 is installed on the second base 120 and the third base 130, and the relative position relationship between the first support 210 and the second support 220 in transportation can be limited through the first base 110, the second base 120, the third base 130, the first pre-biased screw 140 and the second pre-biased screw 150, so that the first support 210 and the second support 220 are prevented from being deviated due to relative sliding. During pre-bias adjustment: when the second support 220 needs to move towards the first pre-deviation direction relative to the first support 210, the second pre-deviation screw 150 is loosened, the first pre-deviation screw 140 is rotated, and the second support 220 moves towards the first pre-deviation direction relative to the first support 210; when the second support 220 needs to move towards the second pre-deviation direction relative to the first support 210, the first pre-deviation screw 140 is loosened, and the second pre-deviation screw 150 is rotated, so that the second support 220 moves towards the second pre-deviation direction relative to the first support 210, and the pre-deviation adjusting direction is convenient; meanwhile, in the pre-deviation adjustment, the first pre-deviation screw 140 and the second pre-deviation screw 150 can mutually correct the pre-deviation adjustment directions of the two screws, so as to improve the precision of the pre-deviation adjustment.
In one embodiment, the use method of the bridge bearing further includes the following steps: s300, adjusting the stability pre-deviation: and installing the loose first pre-biased screw 140 or the loose second pre-biased screw 150. During mounting and transportation, the relative positional relationship between the first support 210 and the second base 120 can be stabilized by the first pre-bias screw 140 and the second pre-bias screw 150 which are loosely mounted and dismounted, so that the first support 210 and the second support 220 can maintain a relatively stable positional relationship during transportation. When the pre-biased adjustment assembly 10 is used, a simple tool such as a wrench can be used to drive the first pre-biased screw 140 or the second pre-biased screw 150, thereby reducing the dependence on the construction field equipment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A pre-bias adjustment assembly, comprising
The first base is detachably and fixedly connected to the first support; the first base is provided with a first strip-shaped hole, the first strip-shaped hole is formed in the first pre-deviation direction, and the first strip-shaped hole is used for being in sliding fit with a first guide rod arranged on the second support;
the second base is detachably and fixedly connected to the second support;
the third base is detachably and fixedly connected to the first support; a second strip-shaped hole is formed in the third base and is formed in the second pre-deviation direction, and the second strip-shaped hole is used for being in sliding fit with a second guide rod arranged on a second support;
one end of the first pre-deviation screw is in butt fit with the first base, the other end of the first pre-deviation screw is in threaded transmission connection with the second base, and the first pre-deviation screw is rotated to enable the second base to move towards a first pre-deviation direction relative to the first base; and
and one end of the second pre-biasing screw is in butt fit with the third base, the other end of the second pre-biasing screw is in threaded transmission connection with the second base, and the second pre-biasing screw is rotated to enable the third base to move towards a second pre-biasing direction relative to the second base.
2. The pre-bias adjustment assembly of claim 1, wherein the second base is disposed between the first base and the third base;
the first base is provided with a first through hole, the first pre-deflection screw rod penetrates through the first through hole, a first abutting end is fixedly arranged on the first pre-deflection screw rod, and the first abutting end abuts against one side, far away from the second base, of the first base;
the third base is provided with a second through hole, the second pre-biased screw rod penetrates through the second through hole, the second pre-biased screw rod is fixedly provided with a second abutting end, and the second abutting end abuts against one side, far away from the second base, of the third base.
3. The pre-bias adjustment assembly of claim 1, wherein the first pre-bias direction is opposite to the second pre-bias direction.
4. The pre-bias adjustment assembly of claim 1, wherein the first base has a lifting lug thereon; or the second base is provided with a lifting lug; or the third base is provided with a lifting lug.
5. The pre-bias adjustment assembly of claim 1, wherein the first base is provided with a first connection hole for passing a first fastener connecting the first support and the first base; the third base is provided with a third connecting hole, and the third connecting hole is used for penetrating and connecting a second fastener of the first support and the first base.
6. The pre-bias adjustment assembly of claim 1, wherein the second base has a second connection hole for passing a third fastener connecting the second support and the second base.
7. A bridge bearer, comprising a first bearer, a second bearer and the pre-deviation adjustment assembly of any one of claims 1 to 6, wherein the first base is detachably and fixedly connected to the first bearer; the second base is detachably and fixedly connected to the second support; the third base is detachably and fixedly connected to the first support; one end of the first pre-biasing screw is in butt fit with the first base, the other end of the first pre-biasing screw is in threaded transmission connection with the second base, and the first pre-biasing screw is rotated to enable the second base to move towards a first pre-biasing direction relative to the first base; one end of the second pre-biased screw is in butt fit with the third base, the other end of the second pre-biased screw is in threaded transmission connection with the second base, and the second pre-biased screw is rotated to enable the third base to move towards a second pre-biased direction relative to the second base.
8. The bridge support according to claim 7, wherein there are two sets of pre-bias adjustment assemblies, the two sets of pre-bias adjustment assemblies being located on either side of the first pre-bias direction or the second pre-bias direction.
9. A method of using a bridge support according to any one of claims 7 to 8, comprising the steps of:
s100, determining a pre-bias direction: determining the pre-deviation adjusting direction of the second support relative to the first support according to design requirements;
s200, pre-bias adjustment: when the pre-deviation adjusting direction is the same as the first pre-deviation direction, the second pre-deviation screw is loosened, the first pre-deviation screw is rotated, and the second support is enabled to slide in a deviation way relative to a support; or when the pre-deviation adjusting direction is the same as the second pre-deviation direction, the first pre-deviation screw rod is loosened, and the second pre-deviation screw rod is rotated to enable the second support to slide in a deviation way relative to the first support.
10. The method for using the bridge support according to claim 9, further comprising the steps of:
s300, adjusting the stability pre-deviation: and installing a loose and detachable first pre-biased screw or a loose and detachable second pre-biased screw.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810927522.4A CN108894101B (en) | 2018-08-14 | 2018-08-14 | Pre-deviation adjusting assembly, bridge support and using method of bridge support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810927522.4A CN108894101B (en) | 2018-08-14 | 2018-08-14 | Pre-deviation adjusting assembly, bridge support and using method of bridge support |
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| CN108894101B true CN108894101B (en) | 2021-04-27 |
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| CN112982171B (en) * | 2021-02-08 | 2023-06-20 | 中铁工程设计咨询集团有限公司 | Bridge support pre-deflection adjusting device |
Citations (2)
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|---|---|---|---|---|
| DE1944253A1 (en) * | 1969-09-01 | 1971-04-01 | Ronald Kaiser | Bridge foundation supporting slide bearing |
| CN103572695A (en) * | 2013-07-23 | 2014-02-12 | 柳州东方工程橡胶制品有限公司 | Damping and isolation support provided with pre-biasing devices |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10131121A (en) * | 1996-11-01 | 1998-05-19 | Yokohama Rubber Co Ltd:The | Spare shearing holder in rubbery elastic bearing body |
| CN203383140U (en) * | 2013-06-16 | 2014-01-08 | 柳州东方工程橡胶制品有限公司 | Prebiasing device of bridge seismic isolation and reduction support |
| CN103306194A (en) * | 2013-06-16 | 2013-09-18 | 柳州东方工程橡胶制品有限公司 | Prebias device for bridge seismic reduction and isolation support and method for performing prebias by utilizing prebias device |
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2018
- 2018-08-14 CN CN201810927522.4A patent/CN108894101B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1944253A1 (en) * | 1969-09-01 | 1971-04-01 | Ronald Kaiser | Bridge foundation supporting slide bearing |
| CN103572695A (en) * | 2013-07-23 | 2014-02-12 | 柳州东方工程橡胶制品有限公司 | Damping and isolation support provided with pre-biasing devices |
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