CN114875792A - Steel pipe concrete arch bridge arch rib vertical splicing hydraulic jig frame - Google Patents
Steel pipe concrete arch bridge arch rib vertical splicing hydraulic jig frame Download PDFInfo
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- CN114875792A CN114875792A CN202210584546.0A CN202210584546A CN114875792A CN 114875792 A CN114875792 A CN 114875792A CN 202210584546 A CN202210584546 A CN 202210584546A CN 114875792 A CN114875792 A CN 114875792A
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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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
- E01D4/00—Arch-type bridges
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Abstract
The invention provides a vertical splicing hydraulic jig frame for arch ribs of a steel pipe concrete arch bridge, which belongs to the field of building equipment and comprises a steel plate base, a hydraulic support rod, a steel plate top seat and a replaceable arc-shaped dental plate, wherein the steel plate base is arranged at the bottom of the hydraulic support rod, the steel plate top seat is arranged at the top of the hydraulic support rod, the replaceable arc-shaped dental plate is detachably arranged at the top of the steel plate top seat, and the vertical splicing jig frame is arranged on the replaceable arc-shaped dental plate. The invention adopts the hydraulic stay bar. When making steel construction arched bridge arch rib piece together immediately, need not fix the relative difference in height of bed-jig, through adjusting hydraulic pressure vaulting pole, can adjust the relative difference in height of each position of arch rib, because can change the reason of arc steel sheet, the device can use under the not unidimensional to, in time and material, all obtained huge saving.
Description
Technical Field
The invention relates to the field of construction equipment, in particular to a vertical splicing hydraulic jig frame for arch ribs of a concrete-filled steel tube arch bridge.
Background
Nowadays, the society is increasingly developed, and the bridge form is also endless. Large bridges such as suspension bridges, cable-stayed bridges, arch bridges and the like are in front of people. Taking an arch bridge as an example, the arch bridge with a large steel structure is manufactured by a processing plant to form arch ribs, and then the arch ribs are transported to a construction site. And then assembling is carried out on the construction site.
Since the arch shape of the arch bridge is not regular, the heights of the arch rib moulding beds are also inconsistent. However, the design requirements must be met. Therefore, in the conventional construction process. The position and relative elevation of each jig frame needs to be adjusted by the measuring personnel. And then putting the arch ribs on the arch ribs for splicing. Because of the length of the arch bridge, the arch ribs can be assembled for dozens of sections for many times, and the assembling process is very troublesome. When adjusting the bed-jig, need constantly monitor, the error need be guaranteed to accord with the construction requirement simultaneously. The existing method has no related assembling support structure, so that the assembling process is very complicated, and meanwhile, errors are difficult to guarantee, so that an arch bridge arch rib vertical assembling hydraulic jig needs to be designed.
Disclosure of Invention
The invention aims to provide a vertical splicing hydraulic jig frame for an arch rib of a concrete-filled steel tube arch bridge, which solves the technical problem in the background technology. Adopts a hydraulic device, and the jig frame can move. When the arch rib is vertically spliced, great convenience is provided.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a steel pipe concrete arch bridge encircles rib and pieces together hydraulic pressure bed-jig immediately, includes steel sheet base, hydraulic pressure vaulting pole, steel sheet footstock and removable arc dental lamina, and the steel sheet base sets up in the bottom of hydraulic pressure vaulting pole, and the steel sheet footstock sets up at the top of hydraulic pressure vaulting pole, and removable arc dental lamina can be dismantled and set up at the top of steel sheet footstock, immediately pieces together the bed-jig setting on removable arc dental lamina.
Further, removable arc dental lamina sets up two, and two removable arc dental lamina parallel arrangement are on the top of steel sheet footstock, and the top of removable arc dental lamina sets up to the arc structure.
Further, above-mentioned scheme still includes side support bar, side upper end support loop bar and fixed orifices, and the side support bar sets up at the steel sheet base side, and in the side support bar was emboliaed to side support bar, scalable setting, the top of side upper end support loop bar was connected with the bottom of steel sheet footstock, and the fixed orifices setting is on side support bar and side upper end support loop bar, and sets up on same vertical line.
Furthermore, reinforcing angle plates are arranged at the bottom end of the side supporting rod and the top end of the side upper end supporting sleeve rod, and cross rods are arranged between the side supporting rod and between the side upper end supporting sleeve rod and the side upper end supporting sleeve rod.
Further, the vertical splicing jig frame comprises four lower chord members, vertical web members, four upper chord members, transverse connecting rods, K-bracing lower diagonal braces, K-bracing upper horizontal braces, X-bracing, diagonal web members and upright post joints, wherein the two lower chord members form lower chord member groups, the two lower chord member groups are arranged alternately, the transverse connecting rods are arranged between the lower chord members of the same group of lower chord members, the K-bracing lower diagonal braces are arranged between the two groups of lower chord members, the two upper chord members form upper chord member groups, the two upper chord member groups are arranged alternately, the transverse connecting rods are arranged between the upper chord members of the same group of upper chord members, the K-bracing upper horizontal braces are arranged between the two groups of upper chord members, the vertical web members are vertically arranged between the lower chord members and the upper chord members, the X-bracing is arranged between the lower chord members and the upper chord members at the same side, the diagonal web members are obliquely arranged between the lower chord members and the upper chord members, and the upright post joints are arranged at the upper ends of the upper chord members.
Further, the radius of the lower chord is the same as the radius of the top end arc of the replaceable arc tooth plate.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention adopts the hydraulic stay bar. When making steel construction arched bridge arch rib piece together immediately, need not fix the relative difference in height of bed-jig, through adjusting hydraulic pressure vaulting pole, can adjust the relative difference in height of each position of arch rib, because can change the reason of arc steel sheet, the device can use under the not unidimensional to, in time and material, all obtained huge saving.
Drawings
FIG. 1 is a schematic view of a first construction of a hydraulic jig of the invention;
FIG. 2 is a schematic view of a second construction of the hydraulic jig of the invention;
fig. 3 is a structural schematic diagram of the vertical assembly jig frame.
In the attached drawing, 1-a steel plate base, 2-a hydraulic support rod, 3-a steel plate top seat, 4-a replaceable arc dental lamina, 5-a side support rod, 6-a side upper end support sleeve rod, 7-a fixed hole, 8-a reinforced angle plate, 9-a cross rod, 10-a lower chord, 11-a vertical web member, 12-an upper chord, 13-a cross connecting rod, 14-a K support lower inclined support, 15-a K support upper horizontal support, 16-an X support, 17-an inclined web member and 18-an upright post joint.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in figures 1-2, a steel pipe concrete arch bridge encircles rib and pieces together hydraulic pressure bed-jig immediately, including steel sheet base 1, hydraulic pressure vaulting pole 2, steel sheet footstock 3 and removable arc dental lamina 4, steel sheet base 1 sets up in the bottom of hydraulic pressure vaulting pole 2, and steel sheet footstock 3 sets up at the top of hydraulic pressure vaulting pole 2, and removable arc dental lamina 4 can be dismantled the setting and at the top of steel sheet footstock 3, immediately pieces together the bed-jig setting on removable arc dental lamina 4. Removable arc dental lamina 4 sets up two, and two removable arc dental lamina 4 parallel arrangement are on the top of steel sheet footstock 3, and the top of removable arc dental lamina 4 sets up to the arc structure.
When the ribs are to be erected, the devices are first placed one by one under each stress point of the rib (pre-positioned by the measurement). After the position is adjusted, the arch rib is hoisted to the jig frame, and the hydraulic support rod 2 is adjusted to control the top elevation of the arch rib until the designed height difference is reached. The device can move, and when encountering arch ribs with different sizes, the matched arc-shaped steel plate can be replaced as required.
In the embodiment of the invention, as shown in fig. 2, the steel plate roof support structure further comprises a side support rod 5, a side end support sleeve rod 6 and a fixing hole 7, wherein the side support rod 5 is arranged at the side of the steel plate base 1, the side end support sleeve rod 6 is sleeved in the side support rod 5 and is arranged in a telescopic manner, the top end of the side upper end support sleeve rod 6 is connected with the bottom of the steel plate roof base 3, and the fixing hole 7 is arranged on the side support rod 5 and the side end support sleeve rod 6 and is arranged on the same vertical line. Reinforcing angle plates 8 are arranged at the bottom end of the side supporting rod 5 and the top end of the side end supporting sleeve rod 6, and cross rods 9 are arranged between the side supporting rod 5 and between the side end supporting sleeve rod 6 and the side end supporting sleeve rod 6.
Side bracing piece 5 and side upper end support loop bar 6 mainly are the insurance of the support that better increases hydraulic strut 2, because high back has been adjusted, hydraulic strut 2 is easy because the condition of small downregulation can appear in pressure, for better reduction error, set up four side bracing pieces 5 and side upper end support loop bar 6 and set up in four angle departments, adjust hydraulic strut 2 back, put into the bolt pole and get into fixed orifices 7 and fix, thereby realize better fixing, and stable, improve the precision of equipment.
In the embodiment of the invention, the vertical splicing jig comprises four lower chords 10, vertical web members 11, four upper chords 12, transverse connecting rods 13, K-brace lower inclined struts 14, K-brace upper horizontal struts 15, X-braces 16, inclined web members 17 and upright post joints 18, wherein the two lower chords 10 form a lower chord group, the two lower chord groups are arranged alternately, the transverse connecting rods 13 are arranged between the lower chords 10 of the same lower chord group, the K-brace lower inclined struts 14 are arranged between the two lower chord groups, the two upper chords 12 form an upper chord group, the two upper chord groups are arranged alternately, the transverse connecting rods 13 are arranged between the upper chords 12 of the same upper chord group, the K-brace upper horizontal struts 15 are arranged between the two upper chord groups, the vertical web members 11 are vertically arranged between the lower chord groups and the upper chord groups, the X-braces 16 are arranged between the lower chord groups and the upper chord groups on the same side, the web members 17 are obliquely arranged between the lower chord groups and the upper chord groups, a strut joint 18 is provided at the upper end of the upper chord group. The radius of the lower chord 10 is the same as the radius of the top arc of the replaceable arc-shaped tooth plate 4.
The concrete-filled steel tube arch bridge is three-dimensional in the air, and is hoisted in the air for installation after being prefabricated in stages during construction. According to the specifications, the full bridge is divided into 60 segments, each of which is about 120 tons, and the maximum is 160 tons. The line type in the air is a catenary with the arch axis coefficient of 2.2, and when the overhead line type is on the flat ground, a moulding bed is made according to the line type for pre-assembly. Although the line type is flat, the line type is consistent with the line type in the air, and after the line type is adjusted, the line type is dismantled and transported to a bridge position to be hung in the air for installation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (6)
1. The utility model provides a steel pipe concrete encircles bridge arch rib and immediately pieces together hydraulic pressure bed-jig which characterized in that: including steel sheet base (1), hydraulic pressure vaulting pole (2), steel sheet footstock (3) and removable arc dental lamina (4), steel sheet base (1) sets up in the bottom of hydraulic pressure vaulting pole (2), and steel sheet footstock (3) set up at the top of hydraulic pressure vaulting pole (2), and removable arc dental lamina (4) can be dismantled the setting and at the top of steel sheet footstock (3), immediately pieces together the bed-jig setting on removable arc dental lamina (4).
2. The steel pipe concrete arch bridge rib erecting hydraulic jig frame as claimed in claim 1, which is characterized in that: removable arc dental lamina (4) set up two, and two removable arc dental lamina (4) parallel arrangement are on the top of steel sheet footstock (3), and the top of removable arc dental lamina (4) sets up to the arc structure.
3. The steel pipe concrete arch bridge rib erecting hydraulic jig frame as claimed in claim 2, wherein: still include side support bar (5), side upper end support loop bar (6) and fixed orifices (7), side support bar (5) set up at steel sheet base (1) side, side upper end support loop bar (6) embolia in side support bar (5), scalable setting, the top of side upper end support loop bar (6) is connected with the bottom of steel sheet footstock (3), fixed orifices (7) set up on side support bar (5) and side upper end support loop bar (6), and set up on same vertical line.
4. The steel pipe concrete arch bridge rib erecting hydraulic jig frame as claimed in claim 3, wherein: the bottom of side bracing piece (5) and the top of side upper end support loop bar (6) are provided with reinforcement scute (8), are provided with horizontal pole (9) between side bracing piece (5) and between side upper end support loop bar (6) and side upper end support loop bar (6).
5. The steel pipe concrete arch bridge rib erecting hydraulic jig frame as claimed in claim 1, which is characterized in that: the vertical splicing jig comprises four lower chord members (10), vertical web members (11), four upper chord members (12), transverse connecting rods (13), K-brace lower inclined braces (14), K-brace upper horizontal braces (15), X-braces (16), inclined web members (17) and upright post joints (18), wherein the two lower chord members (10) form a lower chord group, the two lower chord groups are alternately arranged, the transverse connecting rods (13) are arranged between the lower chord members (10) of the same group of lower chord groups, the K-brace lower inclined braces (14) are arranged between the two groups of lower chord groups, the two upper chord members (12) form an upper chord group, the two upper chord groups are alternately arranged, the transverse connecting rods (13) are arranged between the upper chord members (12) of the same group of upper chord groups, the K-brace upper horizontal braces (15) are arranged between the two groups of upper chord groups, the vertical web members (11) are vertically arranged between the lower chord groups and the upper chord groups, and the X-braces (16) are arranged between the lower chord groups and the upper chord groups at the same side, the diagonal web members (17) are obliquely arranged between the lower chord group and the upper chord group, and the upright post joints (18) are arranged at the upper ends of the upper chord group.
6. The vertical splicing hydraulic jig frame for the arch ribs of the concrete-filled steel tube arch bridge as recited in claim 5, is characterized in that: the radius of the lower chord (10) is the same as the top end arc radius of the replaceable arc-shaped tooth plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210584546.0A CN114875792A (en) | 2022-05-27 | 2022-05-27 | Steel pipe concrete arch bridge arch rib vertical splicing hydraulic jig frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210584546.0A CN114875792A (en) | 2022-05-27 | 2022-05-27 | Steel pipe concrete arch bridge arch rib vertical splicing hydraulic jig frame |
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| Publication Number | Publication Date |
|---|---|
| CN114875792A true CN114875792A (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210584546.0A Pending CN114875792A (en) | 2022-05-27 | 2022-05-27 | Steel pipe concrete arch bridge arch rib vertical splicing hydraulic jig frame |
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| Country | Link |
|---|---|
| CN (1) | CN114875792A (en) |
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2022
- 2022-05-27 CN CN202210584546.0A patent/CN114875792A/en active Pending
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