CN214939343U - Multifunctional locking device suitable for bridge and bridge system - Google Patents

Multifunctional locking device suitable for bridge and bridge system Download PDF

Info

Publication number
CN214939343U
CN214939343U CN202120784328.2U CN202120784328U CN214939343U CN 214939343 U CN214939343 U CN 214939343U CN 202120784328 U CN202120784328 U CN 202120784328U CN 214939343 U CN214939343 U CN 214939343U
Authority
CN
China
Prior art keywords
fixed
movable rod
fixed seat
locking device
seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120784328.2U
Other languages
Chinese (zh)
Inventor
徐华阳
张栋
王杰
徐启利
潘博
张爱花
涂满明
赵鹍鹏
连泽平
周燕飞
尹振君
代永涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Major Bridge Engineering Group Co Ltd MBEC
Original Assignee
China Railway Major Bridge Engineering Group Co Ltd MBEC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Major Bridge Engineering Group Co Ltd MBEC filed Critical China Railway Major Bridge Engineering Group Co Ltd MBEC
Priority to CN202120784328.2U priority Critical patent/CN214939343U/en
Application granted granted Critical
Publication of CN214939343U publication Critical patent/CN214939343U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Bridges Or Land Bridges (AREA)

Abstract

The utility model relates to a multi-functional locking device and bridge system suitable for bridge, it includes: the first fixing seat is used for being fixed with the main tower; one end of the movable rod is detachably connected with the first fixed seat; the second fixed seat is used for being fixed with the beam body and is detachably connected with the other end of the movable rod; when the beam body is in a temporary constraint working condition, one end of the movable rod is fixed with the first fixed seat, and the other end of the movable rod is fixed with the second fixed seat; when the beam body is in the closure adjusting working condition, the movable rod can move along the longitudinal bridge direction relative to the first fixed seat or the second fixed seat. The utility model relates to a multi-functional locking device and bridge system suitable for bridge, the roof beam body need not set up new adjusting device again from restraint operating mode to closure regulation operating mode, can effectively reduce temporary structure setting and construction process.

Description

Multifunctional locking device suitable for bridge and bridge system
Technical Field
The utility model relates to a bridge engineering field, in particular to multi-functional locking device and bridge system suitable for bridge.
Background
With the development of bridge technology, steel structure bridge construction, especially in stayed-cable support system bridges, is often performed by using a cantilever erection construction method for steel girders. In the process of cantilever erection construction, if the steel beam is only under a stay cable flexible supporting system, the steel beam is easy to rotate and translate when being influenced by external force factors such as wind load and the like, so that the construction quality problem and even the safety problem are caused.
In the related art, in the construction process, multiple kinds of temporary constraints are usually performed between the steel main beam and the main tower to resist the rotation and the translation of the steel main beam under the action of external force in all directions, so that the construction temporary constraint requirement is met.
However, the steel main beam cantilever erection needs to be carried out at last, temporary restraint needs to be removed under a proper working condition before closure, then the adjusting device is reset, the adjustment of the steel main beam body before closure is carried out, and the steel main beam cantilever erection has more processes and is complicated in operation.
Therefore, there is a need for a multifunctional locking device for bridges to overcome the above problems.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a multi-functional locking device and bridge system suitable for bridge to set up multiple interim restraint between steel girder and main tower in solving the correlation technique, lead to the more and complex operation's of process problem.
In a first aspect, there is provided a multifunctional locking device for a bridge, comprising: the first fixing seat is used for being fixed with the main tower; one end of the movable rod is detachably connected with the first fixed seat; the second fixed seat is used for being fixed with the beam body and is detachably connected with the other end of the movable rod; when the beam body is in a temporary constraint working condition, one end of the movable rod is fixed with the first fixed seat, and the other end of the movable rod is fixed with the second fixed seat; when the beam body is in the closure adjusting working condition, the movable rod can move along the longitudinal bridge direction relative to the first fixed seat or the second fixed seat.
In some embodiments, one end of the first fixed seat, which is close to the movable rod, is provided with a first pin hole, and the movable rod passes through the first pin hole through a first pin shaft and is fixed with the first fixed seat; one end of the second fixing seat, which is close to the movable rod, is provided with a second pin hole, and the movable rod penetrates through the second pin hole through a second pin shaft to be fixed with the second fixing seat.
In some embodiments, the movable bar is fixedly arranged on the first bracket; the multifunctional locking device further comprises a reverse pulling assembly, one end of the reverse pulling assembly is connected with the first bracket, the other end of the reverse pulling assembly is connected with the first fixing seat, and the reverse pulling assembly drives the movable rod and the second fixing seat to move towards the direction close to the first fixing seat along the longitudinal bridge.
In some embodiments, the pullback assembly comprises: the first jack is arranged on the first fixed seat; and one end of the finish rolling threaded steel bar is fixed with the first bracket, the other end of the finish rolling threaded steel bar penetrates through the first jack, the first jack is pushed in the direction close to the second fixing seat, and the finish rolling threaded steel bar drives the movable rod to move in the direction close to the first fixing seat.
In some embodiments, the first fixing seat includes a first fixing plate and a second fixing plate disposed opposite to each other, and the first jack abuts against the second fixing plate; the reverse pulling assembly further comprises a first steel plate, and the first steel plate is padded between the first fixing plate and the first jack.
In some embodiments, an end of the finish-rolled twisted steel, which is far away from the first bracket, passes through the first fixing plate, and the finish-rolled twisted steel is fixed to the first fixing plate by a nut when the beam body moves to a preset position along with the second fixing seat.
In some embodiments, the multifunctional locking device further includes a pushing assembly installed in the second fixing seat, and one end of the pushing assembly abuts against the second fixing seat, and the other end abuts against the movable rod, and the pushing assembly drives the second fixing seat to move along the longitudinal bridge direction in a direction away from the movable rod.
In some embodiments, the second fixing seat has a mounting groove for accommodating the pushing assembly, and the movable rod is inserted into the mounting groove; the jacking assembly comprises: one end of the second jack is propped against the movable rod; and the second steel plate is padded between the other end of the second jack and the bottom surface of the mounting groove.
In a second aspect, there is provided a bridge system comprising: a main tower; a beam body located above the main tower; and one end of the multifunctional locking device is fixed with the main tower, and the other end of the multifunctional locking device is fixed with the beam body.
In some embodiments, the main tower is fixed with a second bracket, and the first fixing seat is fixed with the second bracket through a third pin shaft; the third bracket is fixed to the beam body, and the second fixing seat is fixed to the third bracket through a fourth pin shaft.
The utility model provides a beneficial effect that technical scheme brought includes:
the embodiment of the utility model provides a multi-functional locking device and bridge system suitable for bridge, because set up the movable rod between multi-functional locking device's first fixing base and the second fixing base, when the roof beam body is in temporary constraint operating mode, can be fixed with the one end and the first fixing base of movable rod, the other end is fixed with the second fixing base, makes multi-functional locking device form fixed pull rod pole to form the temporary constraint that resists the horizontal rotation of the roof beam body and vertical translation effect, when the roof beam body is in the closure and adjusts the operating mode, remove the movable rod with first fixing base perhaps the fixing of second fixing base, the roof beam body can realize closing the regulation of leading edge longitudinal bridge to two directions, need not set up new adjusting device again, consequently, can effectively reduce temporary structure setting and construction process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a bridge system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a multifunctional locking device suitable for a bridge according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a-a in fig. 2.
In the figure:
100. a multifunctional locking device;
1. a first fixed seat; 11. a first pin hole; 12. a first fixing plate; 13. a second fixing plate;
2. a movable rod; 21. a first corbel;
3. a second fixed seat; 31. mounting grooves;
4. a reverse pull assembly; 41. a first jack; 42. finish rolling the twisted steel; 43. a first steel plate;
5. a pushing assembly; 51. a second jack; 52. a second steel plate;
6. a first pin shaft; 7. a second pin shaft;
200. a main tower; 201. a second corbel;
300. a beam body; 301. and a third bracket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a multi-functional locking device and bridge system suitable for bridge, it can solve and set up multiple interim restraint between steel girder and main tower in the correlation technique, leads to the more and complex operation's of process problem.
Referring to fig. 2 and 3, a multifunctional locking device 100 for a bridge according to an embodiment of the present invention may include: the first fixing seat 1 is used for fixing with the main tower 200, in this embodiment, the left end of the first fixing seat 1 is fixed with the main tower 200 through a third pin shaft; one end of the movable rod 2 can be detachably connected with the first fixed seat 1; the second fixed seat 3 is detachably connected with the other end of the movable rod 2, in the embodiment, the second fixed seat 3 is fixed with the beam body 300 through a fourth pin shaft; when the beam body 300 is in the temporary constraint working condition, one end of the movable rod 2 is fixed with the first fixed seat 1, and the other end of the movable rod 2 is fixed with the second fixed seat 3, so that the length of the multifunctional locking device 100 in the longitudinal bridge direction is fixed, and a fixed tension and compression rod is formed; when the beam body 300 is in the closure adjustment working condition, the movable rod 2 can move along the longitudinal bridge direction relative to the first fixed seat 1 or the second fixed seat 3, specifically, when the beam body 300 needs to move forward along the longitudinal bridge direction, the fixation between the movable rod 2 and the second fixed seat 3 can be released, so that the movable rod 2 can move relative to the second fixed seat 3, in this embodiment, after the movable rod 2 and the second fixed seat 3 are released from the fixation, the movable rod 2 and the first fixed seat 1 are fixed, and the second fixed seat 3 can drive the beam body 300 to move in the direction away from the first fixed seat 1, so that the beam body 300 can move forward; when the roof beam body 300 need follow the longitudinal bridge and move backward, can remove the fixed between movable rod 2 and the first fixing base 1, make movable rod 2 can remove for first fixing base 1, in this embodiment, movable rod 2 removes fixedly with first fixing base 1 after, can drive second fixing base 3 and roof beam body 300 through movable rod 2 and move to the direction that is close to first fixing base 1, thereby realize roof beam body 300 and move backward, both can play temporary constraint effect through this multi-functional locking device 100, still can realize closing the regulation of dragon forward position longitudinal bridge to, temporary structure and construction process have been simplified, collect multi-functionally in an organic whole, the commonality is good and simple to handle.
Referring to fig. 1 and 3, in some embodiments, one end of the first fixing seat 1 close to the movable rod 2 may have a first pin hole 11, and the movable rod 2 passes through the first pin hole 11 through the first pin 6 to be fixed to the first fixing seat 1, that is, when the movable rod 2 needs to be fixed to the first fixing seat 1, the first pin 6 is inserted into the movable rod 2 and the first fixing seat 1, and when the movable rod 2 needs to be released from the first fixing seat 1, the first pin 6 is removed; one end of the second fixed seat 3, which is close to the movable rod 2, may have a second pin hole, and the movable rod 2 passes through the second pin hole by a second pin 7 to be fixed with the second fixed seat 3, that is, when the movable rod 2 and the second fixed seat 3 need to be fixed, the second pin shaft 7 is arranged on the movable rod 2 and the second fixed seat 3 in a penetrating way, when the movable rod 2 and the second fixed seat 3 need to be released from fixing, the second pin shaft 7 is removed, and the pin shaft is matched with the pin hole through a simple pin shaft, the beam 300 and the main tower 200 can be fixed, so that the horizontal rotation of the beam 300 in the horizontal plane and the translation along the longitudinal bridge direction can be resisted, the structure is simple and reasonable, the use is simple and convenient, in the embodiment, the multifunctional locking devices 100 are arranged on two opposite sides of the beam body 300 in the transverse bridge direction, so that the multifunctional locking devices 100 on two sides of the beam body 300 are symmetrically arranged, and the two groups of devices restrain the beam body 300 together.
Referring to fig. 3, in some alternative embodiments, the movable rod 2 may be fixedly provided with the first bracket 21, in this embodiment, the first bracket 21 is welded to the movable rod 2, and in other embodiments, other fixing methods may be adopted to fix the first bracket 21 to the movable rod 2; the multifunctional locking device 100 may further include a reverse pulling assembly 4, one end of the reverse pulling assembly 4 may be connected to the first bracket 21, the other end of the reverse pulling assembly may be connected to the first fixing seat 1, the movable rod 2 and the second fixing seat 3 may be driven by the reverse pulling assembly 4 to move along the longitudinal bridge direction towards the direction close to the first fixing seat 1, that is, under the working condition of adjusting the closing of the beam 300, if the beam 300 needs to move backwards for a certain displacement, the first pin 6 may be removed first, so that the movable rod 2 and the first fixing seat 1 are in a relatively movable state, and then the movable rod 2 is reversely pulled towards the direction close to the first fixing seat 1 by the reverse pulling assembly 4, so that the movable rod 2 drives the second fixing seat 3 and the beam 300 to move towards the direction close to the first fixing seat 1 (that is, backwards); in this embodiment, the one end of movable rod 2 is inserted and is located in first fixing base 1, guarantees that movable rod 2 and first fixing base 1 are difficult for breaking away from, and can follow sharp steady movement.
Referring to fig. 3, further, the backhitch assembly 4 may include: a first jack 41 installed on the first fixing seat 1, in this embodiment, the first jack 41 is a through jack, and can push the first jack 41 along the longitudinal bridge direction; in the embodiment, one end of the finish-rolled twisted steel 42 is fixed to the first bracket 21 through a nut, and the other end of the finish-rolled twisted steel 42 can penetrate through the first jack 41, so that the first jack 41 is pushed in the direction (i.e., forward) close to the second fixing seat 3, the finish-rolled twisted steel 42 drives the movable rod 2 to move in the direction close to the first fixing seat 1 due to the reverse tightening of the finish-rolled twisted steel 42, and the beam body 300 can conveniently and effectively move backwards due to the reverse tightening of the finish-rolled twisted steel 42 due to the arrangement of the first jack 41 and the finish-rolled twisted steel 42; in this embodiment, the symmetry has set up two sets of anti-subassemblies 4 that draw on first fixing base 1, makes two sets of anti-subassemblies 4 pull back the movable rod 2 in the relative both sides of movable rod 2 simultaneously, avoids movable rod 2 to hinder because of the slope and removes at the in-process that removes.
Referring to fig. 2 and 3, further, the first fixing base 1 may include a first fixing plate 12 and a second fixing plate 13 that are oppositely disposed, in this embodiment, the second fixing plate 13 is biased to be closer to the second fixing base 3 than the first fixing plate 12, and the first jack 41 may be abutted against the second fixing plate 13; the reverse pulling assembly 4 may further include a plurality of first steel plates 43, the plurality of first steel plates 43 are padded between the first fixing plate 12 and the first jack 41, and when the beam 300 is moved backward, the specific operation steps may include: firstly, the first fixing plate 12 and the first jack 41 are tightly copied through the first steel plate 43, then the first pin shaft 6 is released, the first jack 41 is started, in the process that the first jack 41 pushes forwards, the number of the first steel plates 43 is adjusted step by step according to the stroke of the first jack 41 and the requirement of the counter-pulling amount, and finally the required counter-pulling amount is reached, because the pushing amount of the first jack 41 is not easy to control, the counter-pulling amount can be accurately adjusted through the increase and decrease of the first steel plates 43, and the accurate adjustment of the beam body 300 is realized.
Referring to fig. 3, further, one end of the finish-rolled twisted steel 42, which is far away from the first bracket 21, may pass through the first fixing plate 12, and when the beam body 300 moves backwards to a preset position along with the second fixing seat 3, the finish-rolled twisted steel 42 may be fixed to the first fixing plate 12 by nuts, so that both ends of the finish-rolled twisted steel 42 are locked and cannot move, and the beam body 300 is prevented from changing in position during subsequent construction.
Referring to fig. 3, in some embodiments, the multi-functional locking device 100 may further comprise an ejector assembly 5, which can be arranged in the second fixed seat 3, and one end of the pushing component 5 can be propped against the second fixed seat 3, and the other end can be propped against the movable rod 2, the second fixed seat 3 is driven to move along the longitudinal bridge direction towards the direction far away from the movable rod 2 by the pushing component 5, because the pushing component 5 is arranged in the second fixed seat 3, the pushing component 5 is not easy to fall off from the second fixed seat 3, and under the working condition of adjusting the closing of the beam body 300, if the beam body 300 needs to move forward for a certain displacement, the second pin 7 can be taken down first, so that the movable rod 2 and the second fixed seat 3 are in a state of relative movement, then the second fixed seat 3 is pushed towards the direction far away from the movable rod 2 by the arranged pushing component 5, so that the second fixed seat 3 drives the beam 300 to move in a direction away from the movable rod 2 (i.e. forward).
As shown in fig. 3, further, the second fixing seat 3 may have an installation groove 31 for accommodating the pushing assembly 5, and the movable rod 2 may be partially inserted into the installation groove 31, so that the movable rod 2 and the second fixing seat 3 are partially overlapped, and the movable rod 2 and the second fixing seat 3 do not separate during relative movement; wherein, top pushes away subassembly 5 can include: a second jack 51, one end of which can be abutted against the movable rod 2; and a second steel plate 52 padded between the other end of the second jack 51 and the bottom surface of the mounting groove 31; when the beam 300 is moved forward, the specific operation steps may include: the second jack 51 is firstly tightly jacked between the second jack 51 and the bottom surface of the mounting groove 31 through the lifting pad second steel plate 52, then the second pin shaft 7 is released, the second jack 51 is started, in the process that the second jack 51 jacks forwards, the quantity of the second steel plates 52 is adjusted step by step according to the stroke of the second jack 51 and the jacking quantity requirement, and finally the required jacking quantity value is achieved, and because the jacking quantity of the second jack 51 is not easy to control, the jacking quantity value can be accurately adjusted through increasing and decreasing the second steel plates 52, and the accurate adjustment of the beam body 300 is realized.
Referring to fig. 1, an embodiment of the present invention further provides a bridge system, which may include: a main tower 200; a girder 300, which may be located above the main tower 200; and above-mentioned multi-functional locking device 100, the one end of multi-functional locking device 100 is fixed with king-tower 200, after the roof beam body 300 erects suitable position and preliminary location, with the other end of multi-functional locking device 100 fixed with roof beam body 300, that is, first fixing base 1 is fixed with king-tower 200, second fixing base 3 is fixed with roof beam body 300 to be connected roof beam body 300 with king-tower 200, can realize the interim restraint of roof beam body 300 and along the displacement adjustment of longitudinal bridge direction through multi-functional locking device 100.
Referring to fig. 1, further, a second bracket 201 may be fixed to the main tower 200, and the first fixing base 1 may be fixed to the second bracket 201 by a third pin shaft, in this embodiment, an axis of the third pin shaft is arranged along a horizontal bridge direction, so that the first fixing base 1 cannot rotate in a horizontal plane; the third bracket 301 may be fixed to the beam 300, and the second fixing base 3 may be fixed to the third bracket 301 by a fourth pin, in this embodiment, an axis of the fourth pin is also arranged along the transverse bridge direction, so that the third bracket 301 and the beam 300 cannot rotate in the horizontal plane relative to the second fixing base 3.
The embodiment of the utility model provides a pair of multi-functional locking device suitable for bridge and bridge system's principle does:
because the movable rod 2 is arranged between the first fixed seat 1 and the second fixed seat 3 of the multifunctional locking device 100, when the beam body 300 is in a temporary constraint working condition, one end of the movable rod 2 can be fixed with the first fixed seat 1, and the other end of the movable rod 2 is fixed with the second fixed seat 3, so that the first fixed seat 1, the second fixed seat 3 and the movable rod 2 are fixed into a whole, the multifunctional locking device 100 forms a fixed tension-compression rod, and as the multifunctional locking device 100 is symmetrically arranged on the plane and has larger space, a larger moment of couple can be formed, the horizontal rotation of the beam body 300 under the action of external force can be resisted, and the longitudinal translation of the beam body 300 is constrained; when the beam body 300 is in the closure adjustment working condition, the fixing of the movable rod 2 and the first fixed seat 1 or the fixing of the movable rod 2 and the second fixed seat 3 is released, the beam body 300 can realize the adjustment of the longitudinal bridge at the closure front edge to two directions, and a new adjusting device is not required to be reset, so that the investment is less, and the temporary structure setting and the construction working procedures can be effectively reduced; meanwhile, temporary longitudinal restraint, horizontal rotation restraint and longitudinal adjustment functions are integrated, the temporary construction restraint mode and adjustment measures are simplified, and the erection construction of the beam body 300 is assisted more conveniently, quickly and effectively.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A multi-functional locking device suitable for use with bridges, comprising:
a first fixed seat (1) used for being fixed with the main tower (200);
one end of the movable rod (2) is detachably connected with the first fixed seat (1);
the second fixed seat (3) is used for being fixed with the beam body (300), and the second fixed seat (3) is detachably connected with the other end of the movable rod (2);
when the beam body (300) is in a temporary constraint working condition, one end of the movable rod (2) is fixed with the first fixed seat (1), and the other end of the movable rod (2) is fixed with the second fixed seat (3);
when the beam body (300) is in the closing adjustment working condition, the movable rod (2) can move along the longitudinal bridge direction relative to the first fixed seat (1) or the second fixed seat (3).
2. The multi-functional locking device for bridges of claim 1, wherein:
one end, close to the movable rod (2), of the first fixed seat (1) is provided with a first pin hole (11), and the movable rod (2) penetrates through the first pin hole (11) through a first pin shaft (6) to be fixed with the first fixed seat (1);
one end, close to the movable rod (2), of the second fixing seat (3) is provided with a second pin hole, and the movable rod (2) penetrates through the second pin hole through a second pin shaft (7) to be fixed with the second fixing seat (3).
3. The multi-functional locking device for bridges of claim 1, wherein: the movable rod (2) is fixedly provided with a first bracket (21);
multifunctional locking device (100) still include and pull back subassembly (4), and its one end is connected first bracket (21), the other end is connected first fixing base (1), through pull back subassembly (4) drive movable rod (2) with second fixing base (3) are followed the longitudinal bridge to being close to the direction removal of first fixing base (1).
4. The multifunctional locking device for bridges of claim 3, wherein said counter-pulling assembly (4) comprises:
a first jack (41) mounted on the first fixed seat (1);
and finish rolling twisted steel (42), its one end with first bracket (21) are fixed, and the other end wears to locate first jack (41), will first jack (41) are to being close to the direction top of second fixing base (3) pushes away, makes finish rolling twisted steel (42) drive movable rod (2) are to being close to the direction removal of first fixing base (1).
5. The multifunctional locking device for bridges of claim 4, wherein:
the first fixing seat (1) comprises a first fixing plate (12) and a second fixing plate (13) which are arranged oppositely, and the first jack (41) is propped against the second fixing plate (13);
the counter-pulling assembly (4) further comprises a first steel plate (43) which is padded between the first fixing plate (12) and the first jack (41).
6. The multifunctional locking device for bridges of claim 5, wherein:
one end, far away from the first bracket (21), of the finish rolling threaded steel bar (42) penetrates through the first fixing plate (12), and when the beam body (300) moves to a preset position along with the second fixing seat (3), the finish rolling threaded steel bar (42) is fixed to the first fixing plate (12) through a nut.
7. The multi-functional locking device for bridges of claim 1, wherein:
the multifunctional locking device (100) further comprises a pushing component (5) which is arranged in the second fixed seat (3), one end of the pushing component (5) is abutted against the second fixed seat (3), the other end of the pushing component (5) is abutted against the movable rod (2),
the second fixed seat (3) is driven by the pushing assembly (5) to move along the longitudinal bridge direction towards the direction far away from the movable rod (2).
8. The multifunctional locking device for bridges of claim 7, wherein:
the second fixed seat (3) is provided with an installation groove (31) for accommodating the pushing assembly (5), and the movable rod (2) is inserted into the installation groove (31);
the jacking assembly (5) comprises:
a second jack (51) one end of which abuts against the movable rod (2);
and a second steel plate (52) which is laid between the other end of the second jack (51) and the bottom surface of the mounting groove (31).
9. A bridge system, comprising:
a main tower (200);
a beam (300) located above the main tower (200);
and a multi-functional locking device (100) according to claim 1, which is fixed to the main tower (200) at one end and to the beam (300) at the other end.
10. The bridge system of claim 9, wherein:
a second bracket (201) is fixed on the main tower (200), and the first fixed seat (1) is fixed with the second bracket (201) through a third pin shaft;
the third bracket (301) is fixed to the beam body (300), and the second fixing seat (3) is fixed to the third bracket (301) through a fourth pin shaft.
CN202120784328.2U 2021-04-16 2021-04-16 Multifunctional locking device suitable for bridge and bridge system Active CN214939343U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120784328.2U CN214939343U (en) 2021-04-16 2021-04-16 Multifunctional locking device suitable for bridge and bridge system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120784328.2U CN214939343U (en) 2021-04-16 2021-04-16 Multifunctional locking device suitable for bridge and bridge system

Publications (1)

Publication Number Publication Date
CN214939343U true CN214939343U (en) 2021-11-30

Family

ID=79042426

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120784328.2U Active CN214939343U (en) 2021-04-16 2021-04-16 Multifunctional locking device suitable for bridge and bridge system

Country Status (1)

Country Link
CN (1) CN214939343U (en)

Similar Documents

Publication Publication Date Title
CN111719892B (en) Use method of jack unloading supporting device
CN112064793A (en) Assembled steel structure building beam column connecting and mounting system and connecting and mounting process
CN214939343U (en) Multifunctional locking device suitable for bridge and bridge system
CN113605946A (en) Structural system for controlling deformation of subway shield tunnel and construction method thereof
CN106800254A (en) A kind of elastic auxiliary actuating apparatus of horizontal drive Fork lifting platform
CN113250083A (en) Multifunctional locking device suitable for bridge and bridge system
CN111287136B (en) Hydraulic engineering construction is with supporting safety arrangement
CN109038328A (en) Electric Power Equipment Insulation fast-assembling inspection platform
CN221168625U (en) Clamping type vertical rod supporting seat on steel pipe overhanging scaffold
CN219450470U (en) Limiting device suitable for bridge jacking
CN212452742U (en) Embedded part for large-scale unit
CN210049115U (en) Inclined plane prestressing force stretch-draw auxiliary device
CN219931558U (en) Bridge mounting platform for photovoltaic flexible support mounting
CN220538442U (en) Prefabricated pier stud installation positioner of assembled bridge
CN209741680U (en) Mounting rack for triangular support
CN219993135U (en) Adjustable welding screw building site reinforcing apparatus
CN217999059U (en) Floor beam reinforcing structure
CN221794425U (en) Electric automobile fills electric pile of easy maintenance
CN221219577U (en) Scaffold for building engineering
CN109518951B (en) Semi-solid formed integrated supporting device
CN215291543U (en) Temporary supporting device for binding steel bars
CN220521355U (en) Multistage steel-pipe pile that struts of deep basal pit
CN220627385U (en) Auxiliary device of piano pedal
CN213774443U (en) Combined frame of square building template
CN218815593U (en) Angle steel tower foot reinforcing apparatus

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant