CN218059930U

CN218059930U - Steel pipe concrete arch bridge arch rib vertical splicing hydraulic jig frame

Info

Publication number: CN218059930U
Application number: CN202221291671.4U
Authority: CN
Inventors: 传杰; 李维; 王志金; 王明胜; 汪红旗; 李沛增; 周金雄
Original assignee: CCCC First Highway Engineering Co Ltd; Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Current assignee: CCCC First Highway Engineering Co Ltd; Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-12-16
Anticipated expiration: 2032-05-27

Abstract

The utility model provides a steel pipe concrete encircles bridge arch rib and pieces together hydraulic pressure bed-jig immediately belongs to the architectural equipment field, including steel sheet base, hydraulic pressure vaulting pole, steel sheet footstock and removable arc dental lamina, 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 the setting and at the top of steel sheet footstock, immediately pieces together the bed-jig setting on removable arc dental lamina. The utility model discloses a hydraulic pressure vaulting pole. When making steel construction arch 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 unidimensional to, in time and material, all obtained huge saving.

Description

Steel pipe concrete arch bridge arch rib vertical splicing hydraulic jig frame

Technical Field

The utility model relates to a construction equipment field especially relates to a steel pipe concrete encircles bridge arch rib and immediately pieces together hydraulic pressure bed-jig.

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 supporting structure, so that the assembling process is very complicated, and meanwhile, errors are difficult to guarantee, so that an arch rib vertical assembling hydraulic jig frame for an arch bridge needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel pipe concrete encircles bridge arch rib and pieces together hydraulic pressure bed-jig immediately solves the technical problem who mentions in the background art. Adopt hydraulic means, and the bed-jig can remove. When the arch ribs are vertically spliced, great convenience is provided.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a steel pipe concrete encircles bridge arch 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.

Furtherly, above-mentioned scheme still includes side bracing piece, side upper end support loop bar and fixed orifices, and the side bracing piece sets up at the steel sheet base side, and in side upper end support loop bar emboliaed the side bracing piece, scalable setting, the top of side upper end support loop bar is connected with the bottom of steel sheet footstock, and the fixed orifices setting is on side bracing piece 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.

The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:

the utility model discloses a hydraulic pressure vaulting pole. 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 first structural schematic diagram of a hydraulic jig frame of the present invention;

FIG. 2 is a schematic view of a second structure of the hydraulic jig frame of the present invention;

fig. 3 is the structural schematic diagram of the jig frame assembled vertically.

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 and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide 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 stay bar 2 is adjusted to control the top elevation of the arch rib until the designed height difference is achieved. The device can move, and when encountering arch ribs with different sizes, the matched arc-shaped steel plate can be replaced as required.

Steel sheet base 1 and steel sheet footstock 3 all set up to square steel sheet structure to fixed effect when realizing placing is better.

The embodiment of the utility model provides an in, as shown in fig. 2, still include side support bar 5, side upper end support loop bar 6 and fixed orifices 7, side support bar 5 sets up at 1 side of steel sheet base, and side upper end support loop bar 6 embolias in side support bar 5, scalable setting, and the top of side upper end support loop bar 6 is connected with the bottom of steel sheet footstock 3, and fixed orifices 7 sets up on side support bar 5 and side upper end support loop bar 6, and sets up on 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 upper end supporting sleeve rod 6, and cross rods 9 are arranged between the side supporting rod 5 and between the side upper end supporting sleeve rod 6 and the side upper end supporting sleeve rod 6.

Side bracing piece 5 and side end support loop bar 6 are mainly the insurance of better increase hydraulic pressure vaulting pole 2's support, because adjust high back, hydraulic pressure vaulting pole 2 is easy because the condition of small down-regulation can appear in pressure, for better reduction error, set up four side bracing pieces 5 and side end support loop bar 6 and set up in four angle departments, adjust hydraulic pressure vaulting pole 2 back, it gets into fixed orifices 7 and fixes to put into the bolt pole, thereby realize better fixing, and stable, improve the precision of equipment.

The embodiment of the utility model provides an in, it includes four lower chords 10 to piece together the bed-jig immediately, erect web member 11, four upper chords 12, cross-connecting rod 13, K props lower diagonal brace 14, K props upper horizontal brace 15, X props 16, diagonal web member 17 and stand joint 18, two lower chords 10 constitute lower chord group, two lower chord group set up alternately, be provided with cross-connecting rod 13 between the lower chord 10 of same group lower chord group, K props lower diagonal brace 14 and sets up between two sets of lower chord groups, two upper chords 12 constitute upper chord group, two upper chord group set up alternately, be provided with cross-connecting rod 13 between the upper chord 12 of same group upper chord group, K props upper horizontal brace 15 and sets up between two sets of upper chord groups, vertical setting of vertical web member 11 is between lower chord group and upper chord group, X props 16 and sets up between the lower chord group and the upper chord group of homonymy, diagonal web member 17 slopes to set up between lower chord group and upper chord group, the upper end that stand joint 18 connects the upper end of upper chord group sets up. 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 an 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, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

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 vertical splicing hydraulic jig frame for the arch ribs of the concrete-filled steel tube arch bridge as recited in claim 1, is characterized in that: the replaceable arc-shaped dental plate (4) is arranged in two blocks, the two replaceable arc-shaped dental plates (4) are arranged on the top end of the steel plate top seat (3) in parallel, and the top of each replaceable arc-shaped dental plate (4) is arranged to be of an arc-shaped 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 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-brace (16), inclined web members (17) and upright 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 group of lower chord groups, the K-brace lower inclined struts (14) are arranged between the two groups of 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 group of upper chord groups, the K-brace upper horizontal struts (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, the X-brace (16) are arranged between the lower chord groups and the upper chord groups on the same side, the upper inclined web members (17) are arranged between the upper ends of the upper chord groups, and the upright joints (18) of the upright joints.

6. The steel pipe concrete arch bridge rib erecting hydraulic jig frame as claimed in claim 5, wherein: the radius of the lower chord (10) is the same as the top end arc radius of the replaceable arc-shaped tooth plate (4).