CN111350126A - Spiral combined type adjustable bridge support - Google Patents
Spiral combined type adjustable bridge support Download PDFInfo
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- CN111350126A CN111350126A CN202010202550.7A CN202010202550A CN111350126A CN 111350126 A CN111350126 A CN 111350126A CN 202010202550 A CN202010202550 A CN 202010202550A CN 111350126 A CN111350126 A CN 111350126A
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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
- E01D19/048—Bearings being adjustable once installed; Bearings used in incremental launching
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Abstract
The invention discloses a spiral combined type adjustable bridge support which comprises a first height adjusting device and a second height adjusting device, wherein the first height adjusting device comprises an upper adjusting piece and a lower adjusting piece, and the upper adjusting piece is in threaded connection with the lower adjusting piece. The second heightening device comprises an adjusting block, the adjusting block is located between the upper adjusting piece and the lower adjusting piece, and the contact surface of the adjusting block and the upper adjusting piece, which are attached to each other, and/or the contact surface of the adjusting block and the lower adjusting piece, which are attached to each other, are inclined planes, so that when the adjusting block moves, the distance between the upper adjusting piece and the lower adjusting piece is changed. The first heightening device is heightened by utilizing threaded connection, so that the settlement amount and construction errors of the foundation are compensated, and the first heightening device is used for rough adjustment; in the second heightening device, the movable adjusting block can realize stepless heightening with a small amount for fine adjustment. And the adjusting block is positioned between the upper adjusting part and the lower adjusting part to play a bearing role, and the threads between the upper adjusting part and the lower adjusting part have a safe storage role, so that the safety of the support is improved.
Description
Technical Field
The invention relates to a bridge building, in particular to a spiral combined type adjustable bridge support.
Background
Taking the magnetic suspension rail transit bridge as an example, in the construction and operation process of the magnetic suspension rail transit bridge, the requirement on the smoothness of the line is very strict, if the settlement of the bridge foundation occurs, the line shape and the whole stress of the bridge will be affected, and serious consequences are generated. For this purpose, the height adjustment of the support is often used to compensate the settlement of the foundation, so as to ensure the overall shape of the bridge and the smoothness of the line.
At present, the commonly used support heightening schemes include injection type heightening and wedge block heightening. Wherein, the injection type heightening is provided with a pipeline in the bottom plate, the support is heightened by injecting silicon rubber and the like by a pump, the heightening can be carried out only once in a single direction, and if the heightening needs to be carried out for multiple times, the arrangement of a plurality of glue injection pipelines is considered. Meanwhile, the long-term service life of the support is limited due to the influence of silicon rubber materials. The wedge block height adjustment is generally realized by additionally arranging a pair of wedge-shaped steel base plates above or below the support and is influenced by the slope of the wedge block, and the height adjustment amount of the mode is limited.
Disclosure of Invention
In order to solve the technical problem, the embodiment of the invention provides a spiral combined type adjustable bridge support.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the embodiment of the invention provides a spiral combined type adjustable bridge support which comprises
The first height adjusting device comprises an upper adjusting piece and a lower adjusting piece, and the upper adjusting piece is in threaded connection with the lower adjusting piece; and
the device is increaseed to the second, the device is increaseed to the second includes the regulating block, the regulating block is located go up the regulating part with between the regulating part down, just the regulating block with the contact surface of going up the mutual laminating of regulating part, and/or the regulating block with the contact surface of regulating part laminating each other down is the inclined plane, with when the regulating block removed, the change go up the regulating part with distance between the regulating part down.
In the above scheme, the second height adjusting device includes at least two adjusting blocks, each adjusting block includes a main body portion and connecting portions respectively disposed at two ends of the main body portion, the main body portions are combined to form a ring, and the main body portions have the contact surfaces;
the second height-adjusting device further comprises a fastening assembly, two adjacent connecting parts are oppositely arranged, the fastening assembly is connected with the two adjacent connecting parts, and the distance between the two connecting parts is adjusted to move the adjusting block.
In the above scheme, the fastening assembly includes a bolt and a nut, the bolt is inserted into two adjacent connecting portions, and the nut is in threaded connection with the bolt.
In the above solution, the support further comprises
The upper support plate is positioned between the upper adjusting piece and the beam body of the bridge;
the lower support plate is positioned between the lower adjusting piece and the bridge pier of the bridge, and the lower adjusting piece is slidable relative to the lower support plate.
In the above solution, the support further comprises
The first limiting blocks are arranged on the lower support plate and are oppositely arranged on two sides of the lower adjusting piece; and
the horizontal adjusting piece penetrates through the corresponding first limiting block and is connected with the lower adjusting piece so as to move the lower adjusting piece.
In the above scheme, the horizontal adjusting piece is provided with an external thread, the first limiting block is provided with a threaded hole, the thread in the threaded hole is matched with the external thread of the horizontal adjusting piece, and the horizontal adjusting piece is abutted to the lower adjusting piece.
In the above solution, the support further comprises
The upper support plate is positioned between the upper adjusting piece and the beam body of the bridge, and the upper support plate can move or rotate relative to the upper adjusting piece;
and the lower support plate is positioned between the lower adjusting piece and the bridge pier of the bridge.
In the above scheme, the support further comprises a second limiting block, and the second limiting block protrudes from the upper support plate to the upper adjusting piece so as to limit the movement of the upper support plate.
In the above scheme, the second limiting block is arranged around the upper adjusting piece; or the number of the second limiting blocks is two, and the two second limiting blocks are arranged at two ends of the upper adjusting piece along the longitudinal direction or the transverse direction of the bridge.
In the above scheme, the support further includes:
a spherical crown plate located between the upper seat plate and the upper adjusting member, and having one end having a plane opposite to the upper seat plate and the other end having a spherical surface opposite to the upper adjusting member;
the plane sliding plate is positioned on the spherical crown plate and can slide relative to the upper support plate; and
and the spherical sliding plate is positioned on the upper adjusting piece and can rotate relative to the spherical crown plate.
The invention provides a spiral combined type adjustable bridge support.A first heightening device is heightened by utilizing the threaded connection of an upper adjusting piece and a lower adjusting piece so as to compensate the settlement amount and construction errors of a foundation, realize the stepless heightening of large heightening amount and be used for rough adjustment; in the second heightening device, the movable adjusting block can realize stepless heightening with a small amount for fine adjustment. And the adjusting block is positioned between the upper adjusting part and the lower adjusting part to play a bearing role, and the threads between the upper adjusting part and the lower adjusting part have a safe storage role, so that the safety of the support is improved.
Drawings
FIG. 1 is a schematic view of an alternative construction of a bridge support according to an embodiment of the present invention;
fig. 2 is a schematic view of an alternative construction of the second adjustment device of fig. 1.
Reference numerals: a first height-adjusting device 10; an upper regulating member 11; a lower regulating member 12; threads 13 between the upper and lower adjusters; an adjustment section 14; a shoulder 15; a second heightening device 20; a main body portion 21; the contact surface 211 of the adjusting block and the upper adjusting piece; a connecting portion 22; a bolt 23; a nut 24; a fastening assembly 25; an adjustment block 26; a first stopper 31; a horizontal adjustment member 32; the adjustment hole 321; an upper support plate 40; a second stopper 41; a lower seat plate 50; a spherical crown plate 60; a plane slide plate 61; a spherical sliding plate 62; a seal ring 63; an upper anchor bolt 70; pre-burying a steel plate 80; embedding a sleeve 81; a lower anchor assembly 90.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, belong to the scope of protection of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that refer, without limitation, to the orientations or positional relationships in fig. 1.
The embodiment of the invention provides a spiral combined type adjustable bridge bearing, which comprises a first height adjusting device 10 and a second height adjusting device 20, wherein the first height adjusting device 10 comprises an upper adjusting piece 11 and a lower adjusting piece 12, and the upper adjusting piece 11 is in threaded connection with the lower adjusting piece 12. The second height-adjusting device 20 includes an adjusting block 26, the adjusting block 26 is located between the upper adjusting member 11 and the lower adjusting member 12, and a contact surface 211 where the adjusting block 26 and the upper adjusting member 11 are attached to each other and/or a contact surface where the adjusting block 26 and the lower adjusting member 12 are attached to each other is an inclined surface, so that when the adjusting block 26 moves, a distance between the upper adjusting member 11 and the lower adjusting member 12 is changed.
The support is located between the girder body and the pier of bridge, utilizes the threaded connection between upper adjusting part 11 and the lower adjusting part 12 to transmit the altitude variation of first height-adjusting device 10 for the girder body, and then compensates settlement volume and the construction error of ground, has realized great height-adjusting volume stepless height-adjusting. The first height-adjusting device 10 is used for coarse adjustment, can realize arbitrary adjustment of the height of the support in a certain range, and can repeatedly adjust for a plurality of times.
The adjusting block 26 is a wedge-shaped block, specifically, the upper surface of the adjusting block 26 is a contact surface 211 attached to the upper adjusting member 11, the contact surface 211 is set to be an inclined surface, the upper adjusting member 11 correspondingly has an inclined surface matched with the upper adjusting member, and/or the lower surface of the adjusting block 26 is set to be an inclined surface, the lower adjusting member 12 correspondingly has an inclined surface 211 matched with the lower adjusting member, and the height adjustment is realized by moving the adjusting block 26. The second step-up device 20 is adjusted by a smaller amount for fine adjustment than the first step-up device 10, limited by the slope of the adjustment block 26.
As shown in fig. 1, the adjusting block 26 is located between the upper adjusting member 11 and the lower adjusting member 12, the vertical load from the beam is transmitted downwards through the upper adjusting member 11, the adjusting block 26 and the lower adjusting member 12, the load bearing of the threads 13 of the upper adjusting member 11 and the lower adjusting member 12 is reduced or even avoided, and the threaded connection between the upper adjusting member 11 and the lower adjusting member 12 plays a role of safe storage. In order to ensure the supporting strength of the first heightening device 10 and improve the safety performance of the support, the thread 13 between the upper adjusting member 11 and the lower adjusting member 12 may be a trapezoidal thread capable of satisfying strong strength and rigidity. Due to the load-bearing of the adjusting block 26, the thread 13 between the upper adjusting piece 11 and the lower adjusting piece 12 can also be a common thread such as a triangular thread, a rectangular thread and the like.
Without limitation, as shown in fig. 1, the upper adjustment member 11 includes an adjustment portion 14 provided with an external thread and a shoulder portion 15 protruding outward from the adjustment portion 14, the lower adjustment member 12 has an internal thread, the external thread of the upper adjustment member 11 is in clearance fit with the internal thread of the lower adjustment member 12, the lower adjustment member 12 is sleeved outside the adjustment portion 14 of the upper adjustment member 11, and the adjustment block 26 is located between the shoulder portion 15 and the top of the lower adjustment member 12.
Alternatively, the upper adjustment member 11 is provided with an internal thread, the lower adjustment member 12 includes an adjustment portion provided with an external thread and a shoulder portion protruding outward from the adjustment portion, the upper adjustment member 11 is sleeved outside the adjustment portion of the lower adjustment member 12, and the adjustment block 26 is located between the shoulder portion and the bottom portion of the upper adjustment member 11.
Without limitation, the first height-adjusting device 10 and the second height-adjusting device 20 may be made of metal, such as steel, and the first height-adjusting device 10 and the second height-adjusting device 20 made of steel have a longer life.
In some embodiments of the present invention, the second height adjusting device 20 includes at least two adjusting blocks 26, each adjusting block 26 includes a main body portion 21 and connecting portions 22 respectively disposed at two ends of the main body portion 21, the main body portions 21 are combined to form a ring, and the main body portion 21 has the contact surface 211. The contact surface 211 is located on the main body 21, the main body 21 is simultaneously in contact with the upper adjuster 11 and the lower adjuster 12, and the main body 21 is moved by applying force to the connecting portion 22, so that the height is adjusted.
Further, the second height adjusting device 20 further includes a fastening assembly 25, two adjacent connecting portions 22 are oppositely disposed, the fastening assembly 25 connects the two adjacent connecting portions 22, and adjusts a distance between the two connecting portions 22 to move the adjusting block 26.
The distance between two connecting portions 22, i.e. the distance e in fig. 2, is adjusted by the fastening assembly 25 to realize fine adjustment of the vertical height by adjusting the value of e, so that the height adjustment is converted into a horizontal adjustment mode convenient for operation.
Without limitation, as shown in fig. 1 and 2, the contact surface 211 of the upper portion of the main body 21 is an inclined surface inclined downward from outside to inside, the upper adjusting member 11 also has a matching inclined surface, two adjacent adjusting blocks 26 are arranged at intervals, and when the main body 21 moves inward by adjusting the fastening assembly 25, the value e between two adjacent adjusting blocks 26 is reduced, so that the height of the support can be increased, and conversely, the height of the support is reduced.
In some embodiments of the present invention, the fastening assembly 25 includes a bolt 23 and a nut 24, the bolt 23 is disposed through two adjacent connecting portions 22, and the nut 24 is in threaded connection with the bolt 23. The operation of the second height-adjusting means 20 is further facilitated by adjusting the movement of the adjustment block 26 by means of the bolt 23 and the nut 24.
In some embodiments of the invention, the support further comprises an upper support plate 40 and a lower support plate 50, the upper support plate 40 being located between the upper adjusting member 11 and the beam of the bridge; the lower support plate 50 is positioned between the lower adjuster 12 and the bridge pier, and the lower adjuster 12 is slidable relative to the lower support plate 50.
As shown in fig. 1, the lower adjuster 12 is not fixedly connected to the lower seat plate 50, and movement of the lower adjuster 12 relative to the lower seat plate 50 is achieved by applying an external force to the lower adjuster 12. The movement of the lower adjusting member 12 relative to the lower seat plate 50 achieves a horizontally adjustable seat center position. The adjustment in the horizontal direction can be in the transverse direction or the longitudinal direction; alternatively, both the longitudinal and transverse directions are adjustable.
Further, the support further comprises a first limiting block 31 and a horizontal adjusting piece 32, wherein the first limiting block 31 is arranged on the lower support plate 50 and is oppositely arranged on two sides of the lower adjusting piece 12; the horizontal adjusting member 32 is inserted into the corresponding first stopper 31 and connected to the lower adjusting member 12 to move the lower adjusting member 12.
Horizontal adjusting pieces 32 and first limit blocks 31 are respectively arranged on two opposite sides of the lower adjusting piece 12 along the transverse direction and/or the longitudinal direction of the bridge, the first limit blocks 31 are fixed on the lower support plate 50 to limit the horizontal limit moving position of the lower adjusting piece 12, and the horizontal adjusting pieces 32 are used for controlling the movement of the lower adjusting piece 12. The horizontal adjusting members 32 may be provided in more than two numbers, and the specific number may be adjusted as needed. Without limitation, the horizontal adjusting members 32 on both sides of the lower adjusting member 12 are equal in number and are symmetrically arranged to avoid displacement deviations at different positions of the support during the movement.
Taking the horizontal transverse direction adjustment shown in fig. 1 as an example, the direction of the single arrow in fig. 1 is the moving direction of the corresponding horizontal adjusting member 32. When lateral leftward adjustment is required, the left horizontal adjusting member 32 is moved leftward, and the right horizontal adjusting member 32 pushes the lower adjusting member 12 leftward. When lateral rightward adjustment is required, the left and right horizontal adjustment members 32 move in opposite directions. The adjustment steps in the longitudinal direction are similar and will not be described in detail.
As shown in fig. 1, the lower adjusting member 12 is located between the adjusting block 26 and the lower seat plate 50, and the first height-adjusting means 10 can be adjusted up by rotating the upper adjusting member 11 without limitation. The upper adjustment member 11 is connected to the upper support plate 40 via a spherical crown plate 60 described below and is rotatable with respect to the spherical surface of the spherical crown plate 60. For rotation, the upper adjusting member 11 is further provided with a rotation hole (not shown) for rotating the upper adjusting member 11. An auxiliary rod member is inserted into the rotation hole, and then a force is applied to the auxiliary rod member to rotate the upper adjustment member 11. The auxiliary rod-like member may be a twist bar.
Furthermore, the first stopper 31 is provided with an adjusting hole 321, and the horizontal adjusting member 32 is disposed through the adjusting hole 321. The adjustment hole 321 may be a threaded hole, and the horizontal adjustment member 32 is threadedly coupled to the adjustment hole 321. Or the adjusting hole 321 is not provided with screw threads, the horizontal adjusting member 32 is slidably connected in the adjusting hole 321, and the horizontal adjusting member 50 can be fixed on the lower adjusting member 22 to facilitate pushing or pulling the lower adjusting member 22.
When the horizontal adjusting member 32 is in threaded connection with the adjusting hole 321, the horizontal adjusting member 32 has an external thread, for example, the horizontal adjusting member 32 is a horizontal adjusting bolt, the thread in the threaded hole on the first limiting block 31 matches with the external thread of the horizontal adjusting member 32, and the horizontal adjusting member 32 abuts against the lower adjusting member 12. Specifically, as shown in fig. 1, when the horizontal leftward adjustment is required, the left horizontal adjustment member 32 is moved leftward, and the left horizontal adjustment member 32 is away from the lower adjustment member 12, so as to reserve a space for the lower adjustment member 12 to move leftward, and the right horizontal adjustment member 32 abuts against the lower adjustment member 12 to push the lower adjustment member 12 leftward. When lateral rightward adjustment is required, the left and right horizontal adjustment members 32 move in opposite directions. The adjustment steps in the longitudinal direction are similar and will not be described in detail.
After the adjustment is completed, all the horizontal adjusting pieces 32 are still adjusted to be in a state of abutting connection with the lower adjusting piece 12, so that the fixation of the lower adjusting piece 12 is improved, and the stability of the support is ensured. The threaded connection realizes the stepless adjustment of the support in the horizontal direction, further improves the position accuracy of the movement of the horizontal adjusting piece 32 and also makes the adjustment more convenient.
According to some embodiments of the present invention, the support further comprises an upper support plate 40 and a lower support plate 50, the upper support plate 40 being located between the upper adjustment member 11 and the beam of the bridge, the upper support plate 40 being movable or rotatable relative to the upper adjustment member 11; the lower seat plate 50 is located between the lower adjuster 12 and the pier of the bridge.
The movable or rotatable upper bracket plate 40 is able to accommodate displacement of the beam due to live loads, temperature changes, concrete shrinkage and creep.
In some embodiments of the present invention, the bracket further includes a second stopper 41, and the second stopper 41 protrudes from the upper bracket plate 40 toward the upper adjustment member 11 to limit the movement of the upper bracket plate 40.
As shown in fig. 1, the second limiting block 41 protrudes downwards from the upper support plate 40, and when the beam body displaces due to external load, the displacement can be limited by the cooperation of the second limiting block 41 and the upper adjusting member 11, so that the support forms a one-way movable support or a fixed support. When the second limiting block 41 is not provided, the upper support plate 40 can move in multiple directions along with the beam body, and the support is a multi-direction movable support.
Further, when the second limiting block 41 can be arranged around the outside of the upper adjusting member 11, the support restrains the multi-directional displacement of the beam body along the circumferential direction, and the support is of a fixed type. Without limitation, in the fixed-type mount, the second stopper 41 may be annular.
When the number of the second limiting blocks 41 is two, the two second limiting blocks 41 are arranged at two ends of the upper adjusting part 11 along the longitudinal direction or the transverse direction of the bridge, at this time, the support can restrict the one-way displacement of the beam body along the longitudinal direction or the transverse direction, and the support is of a one-way movable type. In the unidirectional movable type cradle, without limitation, the second stopper 41 may be a bar.
The movement or rotation of the upper support plate 40 relative to the upper adjustment member 11 can be achieved by a spherical cap plate 60, a planar slide plate 61, and a spherical slide plate 62, described below.
Specifically, the seat includes a spherical crown plate 60, a planar sliding plate 61 and a spherical sliding plate 62 in addition to the upper seat plate 40 and the lower seat plate 50, the spherical crown plate 60 is located between the upper seat plate 40 and the upper adjusting member 11, one end of the spherical crown plate 60 having a plane is opposite to the upper seat plate 40, and the other end of the spherical crown plate 60 having a spherical surface is opposite to the upper adjusting member 11; the plane sliding plate 61 is positioned on the spherical crown plate 60 and can slide relative to the upper support plate 40; the spherical sliding plate 62 is located on the upper adjustment member 11 and can rotate relative to the spherical cap plate 60.
As shown in fig. 1, the top end surface of the spherical crown plate 60 is a plane, the bottom end surface is a spherical surface, the plane slide plate 61 is located between the top end surface of the spherical crown plate 60 and the upper seat plate 40, and the spherical slide plate 62 is located between the bottom end surface of the spherical crown plate 60 and the lower adjuster 12. The sliding between the plane sliding plate 61 and the upper support plate 40 is utilized to adapt to the horizontal position movement of the bridge; the sliding between the spherical surface of the spherical sliding plate 62 and the spherical surface of the spherical crown plate 60 is utilized to adapt to the rotation of the bridge, and simultaneously, the rotation between the upper adjusting part 11 and the upper support plate 40 is realized.
The upper support plate 40, the spherical cap plate 60, the upper adjuster 11, and the like are all made of a metal material, such as steel, without limitation. The spherical sliding plate 62 and the plane sliding plate 61 are made of nonmetal materials such as polytetrafluoroethylene, and the sliding contact parts are prevented from being made of metal materials in a material selection mode, so that the phenomenon that the support is frozen due to corrosion of the metal materials is avoided.
Further, the seat further includes a seal ring 63, the seal ring 63 is located between the upper seat plate 40 and one end of the spherical crown plate 60 having the flat surface, and between the upper adjustment member 11 and the other end of the spherical crown plate 60 having the spherical surface.
As shown in fig. 1, the sealing ring 63 is used to seal the sliding portion between the planar sliding plate 61 and the upper support plate 40 and the sliding portion between the spherical sliding plate 62 and the spherical crown plate 60, so as to prevent external dust, rain water and the like from damaging the sliding portions and affecting the performance of the support.
In addition to the spherical bearing comprising the spherical cap plate 60, the planar sliding plate 61, the spherical sliding plate 62, etc., those skilled in the art can select other structures between the upper adjusting member 11 and the upper bearing plate 40 to realize the movement or rotation of the upper bearing plate 10 relative to the upper adjusting member 21 to form other types of bearings.
Further, the support still includes pre-buried steel sheet 80, pre-buried sleeve 81 and goes up anchor bolt 70, and upper bracket board 40 and pre-buried sleeve 81 are located the both sides of pre-buried steel sheet 80 respectively, goes up anchor bolt 70 and wears to locate upper bracket board 40, pre-buried steel sheet 80 and pre-buried sleeve 81 in proper order in order to fix the support on the roof beam body of bridge.
Further, the support further comprises a lower anchoring assembly 90, and the lower anchoring assembly 90 is arranged through the lower support plate 50 to fix the support on the bridge pier of the bridge.
A magnetic levitation track may be provided on a bridge having the above-described bearing according to an embodiment of the present invention.
Features disclosed in several of the product embodiments provided in the present application may be combined in any combination to yield new product embodiments without conflict.
Other structures and operations of the product according to embodiments of the invention will be understood and readily carried out by those skilled in the art, and will not be described in detail.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A spiral combined type adjustable bridge support is characterized by comprising
The first height adjusting device comprises an upper adjusting piece and a lower adjusting piece, and the upper adjusting piece is in threaded connection with the lower adjusting piece; and
the device is increaseed to the second, the device is increaseed to the second includes the regulating block, the regulating block is located go up the regulating part with between the regulating part down, just the regulating block with the contact surface of going up the mutual laminating of regulating part, and/or the regulating block with the contact surface of regulating part laminating each other down is the inclined plane, with when the regulating block removed, the change go up the regulating part with distance between the regulating part down.
2. The bracket according to claim 1, wherein said second height-adjusting device comprises at least two said adjusting blocks, said adjusting blocks comprise main body portions and connecting portions respectively disposed at two ends of said main body portions, said main body portions are combined to form a ring shape, and said main body portions have said contact surfaces;
the second height-adjusting device further comprises a fastening assembly, two adjacent connecting parts are oppositely arranged, the fastening assembly is connected with the two adjacent connecting parts, and the distance between the two connecting parts is adjusted to move the adjusting block.
3. The bracket according to claim 2, wherein said fastening assembly comprises a bolt and a nut, said bolt is arranged through two adjacent connecting portions, and said nut is in threaded connection with said bolt.
4. The mount of claim 1, further comprising
The upper support plate is positioned between the upper adjusting piece and the beam body of the bridge;
the lower support plate is positioned between the lower adjusting piece and the bridge pier of the bridge, and the lower adjusting piece is slidable relative to the lower support plate.
5. The mount of claim 4, further comprising
The first limiting blocks are arranged on the lower support plate and are oppositely arranged on two sides of the lower adjusting piece; and
the horizontal adjusting piece penetrates through the corresponding first limiting block and is connected with the lower adjusting piece so as to move the lower adjusting piece.
6. The bracket according to claim 5, wherein said horizontal adjusting member has an external thread, said first stopper has a threaded hole, the thread in said threaded hole matches with the external thread of said horizontal adjusting member, said horizontal adjusting member abuts against said lower adjusting member.
7. The mount of claim 1, further comprising
The upper support plate is positioned between the upper adjusting piece and the beam body of the bridge, and the upper support plate can move or rotate relative to the upper adjusting piece;
and the lower support plate is positioned between the lower adjusting piece and the bridge pier of the bridge.
8. The bracket as claimed in claim 7, further comprising a second stopper protruding from the upper bracket plate toward the upper adjustment member to limit movement of the upper bracket plate.
9. The bracket according to claim 8, wherein said second stop block is disposed around said upper adjustment member; or the number of the second limiting blocks is two, and the two second limiting blocks are arranged at two ends of the upper adjusting piece along the longitudinal direction or the transverse direction of the bridge.
10. The bracket according to claim 7, further comprising:
a spherical crown plate located between the upper seat plate and the upper adjusting member, and having one end having a plane opposite to the upper seat plate and the other end having a spherical surface opposite to the upper adjusting member;
the plane sliding plate is positioned on the spherical crown plate and can slide relative to the upper support plate; and
and the spherical sliding plate is positioned on the upper adjusting piece and can rotate relative to the spherical crown plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202550.7A CN111350126A (en) | 2020-03-20 | 2020-03-20 | Spiral combined type adjustable bridge support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202550.7A CN111350126A (en) | 2020-03-20 | 2020-03-20 | Spiral combined type adjustable bridge support |
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| CN111350126A true CN111350126A (en) | 2020-06-30 |
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| CN202010202550.7A Pending CN111350126A (en) | 2020-03-20 | 2020-03-20 | Spiral combined type adjustable bridge support |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482205A (en) * | 2020-12-07 | 2021-03-12 | 中铁第四勘察设计院集团有限公司 | Support base |
| WO2022033032A1 (en) * | 2020-08-14 | 2022-02-17 | 成都济通路桥科技有限公司 | Novel force measurement and height adjustment apparatus and support |
| CN114319090A (en) * | 2022-01-06 | 2022-04-12 | 中铁第四勘察设计院集团有限公司 | Bridge bearing |
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| CN110144815A (en) * | 2019-06-03 | 2019-08-20 | 成都济通路桥科技有限公司 | A kind of stepless height-adjustable supports and method is turned up |
| CN110847026A (en) * | 2019-12-23 | 2020-02-28 | 华中科技大学 | Large-stroke adjustable support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022033032A1 (en) * | 2020-08-14 | 2022-02-17 | 成都济通路桥科技有限公司 | Novel force measurement and height adjustment apparatus and support |
| CN112482205A (en) * | 2020-12-07 | 2021-03-12 | 中铁第四勘察设计院集团有限公司 | Support base |
| CN114319090A (en) * | 2022-01-06 | 2022-04-12 | 中铁第四勘察设计院集团有限公司 | Bridge bearing |
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