CN220224953U - Butt joint adjusting device for steel structure bridge deck of cable-stayed bridge - Google Patents
Butt joint adjusting device for steel structure bridge deck of cable-stayed bridge Download PDFInfo
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- CN220224953U CN220224953U CN202321506422.7U CN202321506422U CN220224953U CN 220224953 U CN220224953 U CN 220224953U CN 202321506422 U CN202321506422 U CN 202321506422U CN 220224953 U CN220224953 U CN 220224953U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 210000001503 joint Anatomy 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of workpiece fixing or positioning, in particular to a butt joint adjusting device for a steel structure bridge deck of a cable-stayed bridge, which comprises the following components: the adjusting frame comprises a fixed seat, an L-shaped bracket and a hydraulic jack, and the bottom of the adjusting frame is vertically fixed with the cross rod; the leveling mechanism comprises a leveling base, a scale rod, a digital display device body and a measuring rod, wherein the leveling base is horizontally and rotatably arranged on the upper portion of the fixing base through a rotating shaft, the scale rod is vertically fixed on the upper portion of the leveling base, the digital display device body is used for reading scales on the scale rod and is slidably arranged on the scale rod, and the measuring rod is horizontally and vertically fixed on one side of the digital display device body. According to the utility model, the hydraulic jack is arranged at the lower part of the adjusting frame, the staggered edge panels are adjusted in height under the action of the hydraulic jack, and whether the staggered edge panels are aligned or not or within the standard range is adjusted through the leveling mechanism, so that the problems that the aligned panels are easy to cause panel damage in the traditional mode and the alignment state cannot be accurately judged are solved.
Description
Technical Field
The utility model relates to the technical field of workpiece fixing or positioning, in particular to a butt joint adjusting device for a steel structure bridge deck of a cable-stayed bridge.
Background
At present, the construction projects of bridge steel structures in China are more, and in bridge traffic infrastructure construction in China, the bridge steel structures are an indispensable part of the steel structures and play an increasingly important role in highway bridge construction.
When the steel structure bridge deck boards of the cable-stayed bridge are hoisted and positioned, as most bridge deck boards are spliced on site, the problems of misalignment, deformation and the like are inevitably caused between adjacent bridge deck boards. The conventional treatment method is adjusted by means of crowbar or hammering, and the like, but the damage to the bridge panel is easy, and when the misalignment or deformation is large, the conventional method is difficult to achieve a satisfactory construction effect; in addition, the conventional alignment mode can only be judged empirically whether the alignment is performed or whether the alignment is within the specification range.
Disclosure of Invention
In order to solve at least one technical problem, the utility model provides a butt joint adjusting device for a steel structure bridge deck of a cable-stayed bridge, which is characterized in that a hydraulic jack is arranged at the lower part of an adjusting frame, a staggered side deck is adjusted in height under the action of the hydraulic jack, and whether the staggered side deck is aligned or not or within a standard range is adjusted through a leveling mechanism, so that the problems that the deck is easy to damage and the alignment state cannot be accurately judged in the traditional method are solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cable-stayed bridge steel structure deck abutment adjusting device, comprising:
the adjusting frame comprises a fixed seat and an L-shaped bracket vertically fixed with the fixed seat, and a cross rod of the L-shaped bracket is parallel to and far away from the fixed seat;
the bottom of the hydraulic jack is vertically fixed with the cross rod;
the leveling mechanism comprises a leveling base, a scale rod, a digital display device body and a measuring rod, wherein the leveling base is horizontally and rotatably arranged on the upper portion of the fixing base through a rotating shaft, the scale rod is vertically fixed on the upper portion of the leveling base, the digital display device body is used for reading scales on the scale rod and is slidably arranged on the scale rod, and the measuring rod is horizontally and vertically fixed on one side of the digital display device body.
Preferably, the front end of the measuring rod is vertically provided with a measuring foot.
Preferably, the front end of the measuring rod is provided with a vertical screw hole, and the measuring foot comprises a threaded rod matched with the screw hole and a conical head fixed at the lower part of the threaded rod.
Preferably, the upper part of the threaded rod is provided with a handle which is convenient for rotation adjustment.
Preferably, a sliding groove is formed in the rear side of the digital display device body, and the width of the sliding groove is the same as that of the scale rod.
Preferably, oblique stiffening ribs are arranged between the transverse rods and the vertical rods of the L-shaped support, and vertical stiffening ribs are arranged between the vertical rods and the fixing seat.
Preferably, the lower part of the cross rod is provided with a first mounting plate, the bottom of the hydraulic jack is provided with a second mounting plate, and the first mounting plate is fixedly connected with the second mounting plate through bolts.
Preferably, the fixing base is fixed on the edge of the first panel, the hydraulic jack is located on the upper portion of the second panel, and the first panel is fixed with the bridge frame and is lower than the second panel in height.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the hydraulic jack is arranged at the lower part of the adjusting frame, the staggered edge panel is adjusted in height under the action of the hydraulic jack, and whether the staggered edge panel is aligned or within the standard range is adjusted through the leveling mechanism, so that the accurate alignment adjustment of the staggered edge panel is realized, and the integrity of the panel is ensured;
the leveling base is rotatably arranged on the upper part of the fixed seat, the leveling mechanism needs to zero, the leveling base is rotated, the measuring foot is rotated to a first panel fixed with the fixed seat, and the length of a thread of the threaded rod of the measuring foot below the measuring rod is adjusted, so that zero calibration of the leveling mechanism is realized;
through setting up slant stiffening rib and vertical stiffening rib, increased L shape support's mechanical strength and the firmness of L shape support and fixing base's installation.
Drawings
FIG. 1 is a schematic diagram of a structure of a cable-stayed bridge steel structure deck slab in a staggered state;
FIG. 2 is a schematic view of the structure of a cable-stayed bridge steel structure deck slab in the alignment state of the deck slab of the adjusting device;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic perspective view of a device for adjusting abutment of steel deck plates of a cable-stayed bridge;
FIG. 5 is a top view of the leveling mechanism (with the scale bar omitted) of the present utility model;
in the figure: 1. an adjusting frame; 11. a fixing seat; 12. an L-shaped bracket; 121. a cross bar; 122. a vertical rod; 123. oblique stiffening ribs; 124. vertical stiffening ribs; 2. a hydraulic jack; 3. a leveling mechanism; 31. leveling the base; 32. a scale bar; 33. a digital display device body; 331. a sliding groove; 34. a measuring rod; 35. measuring feet; 351. a threaded rod; 352. a conical head; 353. a handle; 4. a first mounting plate; 5. a second mounting plate; 6. a first panel; 7. and a second panel.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments of the present utility model.
Referring to fig. 1-5, a device for adjusting butt joint of steel structure bridge decks of a cable-stayed bridge includes:
the adjusting frame 1 comprises a fixed seat 11 and an L-shaped bracket 12 vertically fixed with the fixed seat 11, wherein a cross rod 121 of the L-shaped bracket 12 is parallel to and far away from the fixed seat 11;
a hydraulic jack 2, the bottom of which is vertically fixed to the cross bar 121;
the leveling mechanism 3 comprises a leveling base 31, a scale bar 32, a digital display device body 33 and a measuring rod 34, wherein the leveling base 31 is horizontally and rotatably arranged on the upper part of the fixed seat 11 through a rotating shaft, the scale bar 32 is vertically fixed on the upper part of the leveling base 31, the digital display device body 33 is used for reading scales on the scale bar 32 and is slidably arranged on the scale bar 32, and the measuring rod 34 is transversely and vertically fixed on one side of the digital display device body 33.
According to the utility model, the hydraulic jack 2 is arranged at the lower part of the adjusting frame 1, the staggered edge panels are adjusted in height under the action of the hydraulic jack 2, and whether the staggered edge panels are aligned or fall within the standard range is adjusted by the leveling mechanism 3, so that the accurate alignment adjustment of the staggered edge panels is realized, and the integrity of the panels is ensured;
it should be noted that, in order to be convenient for fixing the bridge deck, the fixing seat 11 is made of square steel plate, and may be fixed to the bridge deck by welding, the leveling base 31 is made of round steel plate, and the leveling base 31 may be fixed by welding or bolts. The leveling base 31 can realize relative rotation with the fixing base 11 through the rotation shaft, and the principle of the leveling mechanism 3 is equivalent to the principle of a digital display height gauge or a digital display vernier caliper, and the digital display device body 33 belongs to the prior art, and the working principle and the structure of the digital display device body 33 are not repeated in the present application.
As shown in fig. 2 and 3, the front end of the measuring rod 34 is vertically provided with a measuring foot 35, wherein the front end of the measuring rod 34 is provided with a vertical screw hole, the measuring foot 35 comprises a threaded rod 351 adapted to the screw hole and a conical head 352 fixed at the lower part of the threaded rod 351, and a handle 353 convenient for rotation adjustment is arranged at the upper part of the threaded rod 351.
In the present embodiment, the measuring rod 34 is a long steel sheet, one end of which is fixed to the right side of the digital display device body 33, and the measuring rod 34 is fixed to the lower portion of the right side of the digital display device body 33 as much as possible in order to facilitate the zeroing of the leveling mechanism 3. The threaded rod 351 adopted by the measuring foot 35 is matched with the conical head 352 and the handle 353 convenient for rotation adjustment, wherein the threaded rod 351 has the function of realizing relative zero calibration by screwing in to change the length of the threaded rod 351 below the measuring rod 34; the cone head 352 is conical, so that the contact between the measuring pin 35 and the bridge deck is point-to-surface contact, and the accuracy of misalignment can be relatively improved; as shown in fig. 3, the handle 353 is a butterfly handle 353, but other shapes that are convenient for adjustment can be used, and the length changing method of the measuring rod 34 and the measuring foot 35 and the shapes of the taper head 352 and the handle 353 are not limited in this application.
Notably, to enable the measuring foot 35 to measure a large misalignment range of the misalignment panels to determine the misalignment panel relative alignment, the measuring rod 34 may be provided as a telescopic rod.
As shown in fig. 4, in order to increase the mechanical strength of the L-shaped bracket 12 and the firmness of the installation of the L-shaped bracket 12 and the fixing base 11, an oblique stiffening rib 123 is provided between the cross bar 121 and the vertical bar 122 of the L-shaped bracket 12, and a vertical stiffening rib 124 is provided between the vertical bar 122 and the fixing base 11.
In order to facilitate the disassembly and assembly of the hydraulic jack 2 and the dispersion storage of the whole device, a first mounting plate 4 is arranged at the lower part of the cross rod 121, a second mounting plate 5 is arranged at the bottom of the hydraulic jack 2, and the first mounting plate 4 and the second mounting plate 5 are fixedly connected through bolts. Thus, the hydraulic jack 2 is separated from the L-shaped bracket 12 by the dismounting bolt when not in use, which is more convenient for carrying and storing.
As shown in fig. 5, a sliding groove 331 is provided at the rear side of the digital display device body 33, and the width of the sliding groove 331 is the same as the width of the scale bar 32.
The sliding groove 331 is only one of the sliding ways that allows the digital display device body 33 to slide down by its own weight on the scale bar 32, and is preferably detachably mounted between the digital display device body 33 and the scale bar 32 in order to facilitate the assembly and disassembly and storage of the digital display device body 33 when the device is not in use.
The installation and working processes of the device are as follows:
in this example, the bridge deck with the first panel 6 and the second panel 7 being opposite to each other is taken as an example, wherein the first panel 6 and the bridge frame are fixed and have a lower height than the second panel 7, as shown in fig. 1, the first panel 6 and the second panel 7 are in a staggered state.
Firstly, fixing a fixing seat 11 on the edge of a first panel 6, keeping a cross rod 121 of an L-shaped bracket vertical to the edge of the first panel 6 as close as possible during installation, and fixing a hydraulic jack 2 with a first mounting plate 4 below the cross rod 121;
rotating the leveling base 31 to rotate the measuring foot 35 to the first panel 6, and rotating the handle 353 to adjust the length of the measuring foot 35 below the measuring rod 34 until the digital display device body 33 displays a reading of zero;
the leveling base 31 is rotated again, the measuring feet 35 are rotated to the second panel 7, the measuring feet 35 can be firstly placed at the position, close to the edge, of the second panel 7, the installation condition of the device is checked, and after the installation condition is confirmed, the hydraulic jack 2 is manually pressurized; in the pressurizing process, the reading displayed by the digital display device body 33 is observed until the reading is zero or the reading is within the standard range, and the pressurizing is stopped; at this time, the leveling base 31 is rotated to slide the measuring foot 35 on the second panel 7, and the change of the reading is observed, so that it can be judged whether the first panel 6 and the second panel 7 are aligned or the misalignment difference is within the specification range.
After the alignment of the first panel 6 and the second panel 7 is determined, the first panel 6 and the second panel 7 are fixed by the code plate, so far, as shown in fig. 2, the alignment adjustment of the misalignment panel is completed.
While the foregoing is directed to embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and changes can be made without departing from the principles of the present utility model, and such modifications and changes should be considered as being within the scope of the present application.
Claims (8)
1. The utility model provides a cable-stay bridge steel construction decking adjustment device, its characterized in that includes:
the adjusting frame (1) comprises a fixed seat (11) and an L-shaped bracket (12) vertically fixed with the fixed seat (11), wherein a cross rod (121) of the L-shaped bracket (12) is parallel to and far away from the fixed seat (11);
a hydraulic jack (2) the bottom of which is vertically fixed with the cross bar (121);
leveling mechanism (3), it includes leveling base (31), scale bar (32), digital display device body (33) and measuring stick (34), leveling base (31) pass through axis of rotation level rotate install in fixing base (11) upper portion, scale bar (32) are fixed in perpendicularly leveling base (31) upper portion, digital display device body (33) are used for reading scale bar (32) go up the scale and slide set up in on scale bar (32), measuring stick (34) transversely perpendicular be fixed in digital display device body (33) one side.
2. The device for adjusting the butt joint of the steel structure bridge deck of the cable-stayed bridge according to claim 1, wherein the front end of the measuring rod (34) is vertically provided with a measuring foot (35).
3. The device for adjusting the butt joint of the steel structure bridge deck of the cable-stayed bridge according to claim 2, wherein the front end of the measuring rod (34) is provided with a vertical screw hole, and the measuring foot (35) comprises a threaded rod (351) which is matched with the screw hole and a conical head (352) which is fixed at the lower part of the threaded rod (351).
4. A device for adjusting the butt joint of steel structure bridge decks of cable-stayed bridges according to claim 3, characterized in that the upper part of the threaded rod (351) is provided with a handle (353) which is convenient for rotation adjustment.
5. The device for butt joint adjustment of steel structure bridge deck of cable-stayed bridge according to claim 1, wherein a sliding groove (331) is arranged at the rear side of the digital display device body (33), and the width of the sliding groove (331) is the same as the width of the scale rod (32).
6. The device for butt joint adjustment of steel structure bridge deck of cable-stayed bridge according to claim 1, wherein an oblique stiffening rib (123) is arranged between a cross rod (121) of the L-shaped bracket (12) and a vertical rod (122) of the L-shaped bracket (12), and a vertical stiffening rib (124) is arranged between the vertical rod (122) and the fixed seat (11).
7. The device for adjusting the butt joint of the steel structure bridge deck of the cable-stayed bridge according to any one of claims 1 to 6, wherein a first mounting plate (4) is arranged at the lower part of the cross rod (121), a second mounting plate (5) is arranged at the bottom of the hydraulic jack (2), and the first mounting plate (4) and the second mounting plate (5) are fixedly connected through bolts.
8. The device for adjusting the butt joint of the steel structure bridge deck of the cable-stayed bridge according to claim 7, wherein the fixing seat (11) is fixed on the upper edge of the first panel (6), the hydraulic jack (2) is positioned on the upper part of the second panel (7), and the first panel (6) is fixed with the bridge frame and has a lower height than the second panel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506422.7U CN220224953U (en) | 2023-06-13 | 2023-06-13 | Butt joint adjusting device for steel structure bridge deck of cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506422.7U CN220224953U (en) | 2023-06-13 | 2023-06-13 | Butt joint adjusting device for steel structure bridge deck of cable-stayed bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220224953U true CN220224953U (en) | 2023-12-22 |
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ID=89175411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321506422.7U Active CN220224953U (en) | 2023-06-13 | 2023-06-13 | Butt joint adjusting device for steel structure bridge deck of cable-stayed bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220224953U (en) |
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2023
- 2023-06-13 CN CN202321506422.7U patent/CN220224953U/en active Active
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