CN210238307U - Crossbeam die block fixing system with adjustable height in bridge construction - Google Patents
Crossbeam die block fixing system with adjustable height in bridge construction Download PDFInfo
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- CN210238307U CN210238307U CN201920824212.XU CN201920824212U CN210238307U CN 210238307 U CN210238307 U CN 210238307U CN 201920824212 U CN201920824212 U CN 201920824212U CN 210238307 U CN210238307 U CN 210238307U
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- bottom die
- cross beam
- bridge construction
- joist
- adjustable height
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Abstract
The utility model relates to a bridge construction technical field discloses a crossbeam die block fixed system with adjustable height in bridge construction. The utility model comprises a triangular support frame arranged at the upper end of the pier, a main truss arranged on the triangular support frame, and a bottom die joist hung below the main truss, wherein a bottom die plate of a cross beam is laid on the bottom die joist; the two triangular support frames are symmetrically arranged on the side walls of the bridge piers at two sides of the cross beam and are connected and fixed through the opposite-pulling screw rods; the main trusses are symmetrically arranged on two sides of the cross beam along the extension direction of the cross beam; the bottom die joist is horizontally arranged perpendicular to the extending direction of the cross beam and is arranged at intervals along the extending direction of the cross beam, two ends of the bottom die joist are hung below the main truss through a hanging rod, the top end of the hanging rod upwards penetrates through the horizontal bottom frame of the main truss and then is clamped and fixed on the horizontal bottom frame through a limiting clamping block, and the hanging rod downwards penetrates through the bottom die joist and then is locked and fixed through an adjusting nut. The utility model discloses simple structure, it is easy and simple to handle, height-adjustable.
Description
Technical Field
The utility model relates to a bridge construction technical field especially relates to a crossbeam die block fixed system with adjustable height in bridge construction.
Background
When the portal pier beam is constructed, in order to ensure that the traffic of the existing road is not influenced, the height of the beam support must meet a certain height requirement; the bottom form elevation is difficult to adjust once fixed.
At present, in construction projects, a full-space support is generally used as a pier-side falling support, the construction structure requires that the support not only has certain vertical bearing capacity, but also has horizontal bending moment capable of resisting wind load, and the height of the support is generally higher, so that the requirement on the falling support is higher, the material usage amount is larger, the workload of installing and detaching the support is larger, and the difficulty is larger; in addition, the Bailey beam is used as a bracket in a construction project, the elevation of the bottom template which can be determined by the bracket after the bracket is installed is fixed and unadjustable, if the elevation of the bottom template is to be adjusted, the setting height of the Bailey beam needs to be rewritten and adjusted, and the construction convenience is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a crossbeam die block fixing system with adjustable height in simple structure, the bridge construction of easy and simple to handle.
The technical problem to be solved is that: after the supporting and fixing system of the existing beam bottom die is arranged, the height of the bottom die cannot be adjusted, and the construction convenience is poor.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model discloses height-adjustable crossbeam die block fixing system in bridge construction, including set up the triangular supports frame in the pier upper end, set up the main truss on the triangular supports frame, and hang the die block joist that establishes in the main truss below, the die block board of crossbeam is laid on the die block joist;
the two triangular support frames are symmetrically arranged on the side walls of the bridge piers at two sides of the cross beam and are connected and fixed through the opposite-pulling screw rods;
the main trusses are symmetrically arranged on two sides of the cross beam along the extension direction of the cross beam, and the bottoms of the main trusses are fixedly connected with the triangular support frame;
the bottom die joist is horizontally arranged perpendicular to the extending direction of the cross beam and is arranged at intervals along the extending direction of the cross beam, two ends of the bottom die joist are hung below the main truss through a hanging rod, the top end of the hanging rod upwards penetrates through the horizontal bottom frame of the main truss and then is clamped and fixed on the horizontal bottom frame through a limiting clamping block, and the hanging rod downwards penetrates through the bottom die joist and then is locked and fixed through an adjusting nut.
The utility model discloses crossbeam die block fixed system with adjustable height in the bridge construction, it is further, triangular supports frame includes the triangle-shaped support body of vertical setting and the connection base that is located triangle-shaped support body top, passes the connection base that both ends passed both sides respectively behind the pier to the screw rod of drawing to it is fixed through lock nut.
The utility model discloses crossbeam die block fixed system with adjustable height in the bridge construction, it is further, the pole setting that the triangle-shaped support body was set up by laminating pier lateral wall, level cantilever lever and diagonal brace enclose to close and form, and the connection base level sets up, middle part and pole setting top fixed connection.
The utility model discloses crossbeam die block fixed system with adjustable height in the bridge construction, it is further, 4 are no less than to the quantity of drawing the screw rod, and the level is arranged side by side.
The utility model discloses crossbeam die block fixed system with adjustable height in the bridge construction, it is further, wear to establish in the reservation hole of pier to drawing the screw rod.
The utility model discloses crossbeam die block fixed system with adjustable height in the bridge construction, it is further, the cross-section of main truss is triangle-shaped, can dismantle the connection through the bolt between the adjacent truss standard festival.
The utility model discloses crossbeam die block fixed system with adjustable height in the bridge construction, it is further, the jib can be dismantled with spacing fixture block and be connected.
The utility model discloses crossbeam die block fixed system with adjustable height in the bridge construction, it is further, interval between the adjacent die block joist is not more than 1200 mm.
The utility model discloses crossbeam die block fixed system with adjustable height is compared with prior art in the bridge construction, has following beneficial effect:
the utility model discloses crossbeam die block fixing system with adjustable height in bridge construction simple structure, set up on the triangular supports frame of both sides along the crossbeam extending direction main truss of both sides, the die block joist then hangs through the jib and establishes in the main truss below, through setting up the position of adjusting nut, can adjust the height of die block joist, it is nimble convenient to use, and the structure is installed and removed conveniently high-efficiently; the main trusses on the two sides can be also provided with the operation bedplate to form an operation platform for constructors to walk and construct, so that the auxiliary frame body structure for bridge construction is simplified, the workload is reduced, the construction convenience and the construction efficiency are greatly improved, and the construction difficulty is reduced.
The following description will be further made on the height-adjustable beam bottom die fixing system in bridge construction according to the present invention with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a highly adjustable beam bottom die fixing system in bridge construction according to the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic diagram of a detailed structure of the portion X in FIG. 2;
FIG. 4 is a front view of the tripod;
FIG. 5 is a side view of the tripod;
fig. 6 is a schematic structural view in the direction of the section B-B in fig. 1.
Reference numerals:
1-bridge pier; 2-a triangular support frame; 21-erecting a rod; 22-horizontal cantilever bar; 23-diagonal brace rods; 24-a connection base; 3-a main truss; 4-bottom die joist; 5-bottom template; 6-oppositely pulling the screw rod; 7-a boom; 8-adjusting the nut; 9-limiting clamping block.
Detailed Description
As shown in fig. 1 to 6, the utility model discloses crossbeam die block fixed system with adjustable height in the bridge construction sets up main truss 3 on triangular supports frame 2 including setting up triangular supports frame 2 in 1 upper end of pier to and hang die block joist 4 of establishing in main truss 3 below, and die block joist 4 is laid to the die block template 5 of crossbeam.
The triangular support frames 2 are symmetrically arranged on the side walls of the piers 1 on two sides of the cross beam, and the two triangular support frames 2 are fixedly connected through the split screw rods 6; the triangular support frame 2 comprises a vertically arranged triangular frame body and a connecting base 24 positioned at the top of the triangular frame body, the triangular frame body is formed by enclosing an upright rod 21, a horizontal cantilever rod 22 and an inclined strut rod 23 which are arranged by being attached to the side wall of the pier 1, the connecting base 24 is horizontally arranged, and the middle part of the connecting base is fixedly connected with the top of the upright rod 21; the counter-pulling screw rods 6 penetrate through the reserved holes of the bridge pier 1, two ends of the counter-pulling screw rods respectively penetrate through the connecting bases 24 on two sides and then are fixed through locking nuts, the number of the counter-pulling screw rods 6 is not less than 4, and the counter-pulling screw rods are horizontally arranged in parallel; the reserved hole at the top of the pier 1 is formed by pre-burying a PVC pipe in the pier 1 during construction.
The main trusses 3 are symmetrically arranged on two sides of the cross beam along the extension direction of the cross beam, the bottoms of the main trusses are fixedly connected with the horizontal cantilever rods 22, the cross sections of the main trusses 3 are triangular, and the adjacent truss standard sections are detachably connected through bolts.
The bottom die joist 4 is horizontally arranged perpendicular to the extension direction of the cross beam and is arranged at intervals along the extension direction of the cross beam, two ends of the bottom die joist 4 are hung below the main truss 3 through a suspender 7, the top end of the suspender 7 upwards penetrates through the horizontal underframe of the main truss 3 and then is clamped and fixed on the horizontal underframe through a limiting fixture block 9, the suspender 7 is detachably connected with the limiting fixture block 9, the suspender 7 downwards penetrates through the bottom die joist 4 and then is locked and fixed through an adjusting nut 8, the height of the bottom die joist 4 can be adjusted by screwing the position of the adjusting nut 8 up and down, and then the elevation of the bottom die plate 5 laid above is adjusted, and the adjustment is simple and easy to operate; the distance between the adjacent bottom die joists 4 is not more than 1200 mm.
The utility model discloses height-adjustable's crossbeam die block fixed system's construction method in bridge construction, including following step:
step one, in the construction process of a pier 1, embedding a PVC pipe at the top of the pier 1 to form a reserved hole for a counter-pull screw 6 to pass through;
step two, mounting a triangular support frame 2; a counter-pull screw 6 is arranged in a reserved hole at the top of the pier 1 in a penetrating mode, two ends of the counter-pull screw penetrate through the connecting base 24 respectively and then are locked through locking nuts, and the triangular support frame 2 is fixed on the side wall of the pier 1;
step three, hoisting the main truss 3; hoisting a main truss 3 by using a 70-ton crawler crane, and fixing the bottom of the main truss 3 with a horizontal cantilever bar 22 of a triangular support frame 2;
step four, hoisting the bottom die joist 4; the bottom die joist 4 is suspended below the main truss 3 by using a suspension rod 7, and the height of the bottom die joist 4 is adjusted by screwing the position of an adjusting nut 8 according to the designed elevation of the bottom die;
step five, paving a bottom template 5; a bottom template 5 is laid and fixed above the bottom die joist 4;
and step six, paving a side formwork of the cross beam, and pouring concrete to complete subsequent construction.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (8)
1. Crossbeam die block fixed system with adjustable height in bridge construction, its characterized in that: the bridge pier comprises a triangular support frame (2) arranged at the upper end of a bridge pier (1), a main truss (3) arranged on the triangular support frame (2), and a bottom die joist (4) hung below the main truss (3), wherein a bottom template (5) of a cross beam is laid on the bottom die joist (4);
the triangular support frames (2) are symmetrically arranged on the side walls of the piers (1) at two sides of the cross beam, and the two triangular support frames (2) are connected and fixed through the split screw (6);
the main trusses (3) are symmetrically arranged on two sides of the cross beam along the extension direction of the cross beam, and the bottom of each main truss is fixedly connected with the triangular support frame (2);
the bottom die joist (4) is horizontally arranged perpendicular to the extension direction of the cross beam and is arranged at intervals along the extension direction of the cross beam, the two ends of the bottom die joist (4) are hung below the main truss (3) through the hanging rod (7), the top end of the hanging rod (7) upwards penetrates through the horizontal bottom frame of the main truss (3) and then is clamped and fixed on the horizontal bottom frame through the limiting clamping block (9), and the hanging rod (7) downwards penetrates through the bottom die joist (4) and then is locked and fixed through the adjusting nut (8).
2. The beam bottom die fixing system with adjustable height in bridge construction according to claim 1, characterized in that: the triangular support frame (2) comprises a vertically arranged triangular support body and a connecting base (24) located at the top of the triangular support body, and the opposite-pulling screw rods (6) penetrate through the connecting bases (24) on the two sides respectively after penetrating through the bridge pier (1) and are fixed through locking nuts.
3. The beam bottom die fixing system with adjustable height in bridge construction according to claim 2, characterized in that: the triangular frame body is formed by enclosing a vertical rod (21) attached to the side wall of a pier (1), a horizontal cantilever rod (22) and an inclined strut rod (23), a connecting base (24) is horizontally arranged, and the middle of the connecting base is fixedly connected with the top of the vertical rod (21).
4. The beam bottom die fixing system with adjustable height in bridge construction according to claim 2, characterized in that: the number of the counter-pulling screw rods (6) is not less than 4, and the counter-pulling screw rods are horizontally arranged in parallel.
5. The beam bottom die fixing system with adjustable height in bridge construction according to claim 2, characterized in that: the opposite-pulling screw rod (6) is arranged in a reserved hole of the pier (1) in a penetrating mode.
6. The beam bottom die fixing system with adjustable height in bridge construction according to claim 1, characterized in that: the cross section of the main truss (3) is triangular and formed by splicing truss standard sections, and adjacent truss standard sections are detachably connected through bolts.
7. The beam bottom die fixing system with adjustable height in bridge construction according to claim 1, characterized in that: the hanger rod (7) is detachably connected with the limiting clamping block (9).
8. The beam bottom die fixing system with adjustable height in bridge construction according to claim 1, characterized in that: and the distance between the adjacent bottom die joists (4) is not more than 1200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920824212.XU CN210238307U (en) | 2019-06-03 | 2019-06-03 | Crossbeam die block fixing system with adjustable height in bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920824212.XU CN210238307U (en) | 2019-06-03 | 2019-06-03 | Crossbeam die block fixing system with adjustable height in bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210238307U true CN210238307U (en) | 2020-04-03 |
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ID=69974206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920824212.XU Active CN210238307U (en) | 2019-06-03 | 2019-06-03 | Crossbeam die block fixing system with adjustable height in bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210238307U (en) |
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2019
- 2019-06-03 CN CN201920824212.XU patent/CN210238307U/en active Active
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