CN214834830U

CN214834830U - Supporting device

Info

Publication number: CN214834830U
Application number: CN202120905297.1U
Authority: CN
Inventors: 李啸晨; 常永健; 廖启兵; 李建东; 陈本培
Original assignee: CCCC First Highway Engineering Co Ltd; Haiwei Engineering Construction Co Ltd of FHEC of CCCC
Current assignee: CCCC First Highway Engineering Co Ltd; Haiwei Engineering Construction Co Ltd of FHEC of CCCC
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-23
Anticipated expiration: 2031-04-28

Abstract

The utility model provides a supporting device, which relates to the technical field of bridge construction and is used for supporting a front supporting leg of a bridge girder erection machine, wherein the supporting device comprises a plurality of supporting components and a plurality of transverse fixing arms used for integrating the supporting components; the supporting assembly comprises a supporting steel pipe and an adjusting cushion block assembly arranged on the supporting steel pipe; a plurality of the horizontal fixed arm corresponds the setting and is in the both sides of supporting the steel pipe, and two horizontal fixed arms that just correspond pass through the split screw and connect. The utility model provides a support arrangement comprises a plurality of supporting components, through the regulation of adjusting the cushion block subassembly, makes a plurality of supporting components form the plane that is used for supporting preceding landing leg and through the setting of horizontal fixed arm, makes a plurality of supporting components form a whole, and what make this preceding landing leg can be steady places on support arrangement and have the preceding landing leg of sufficient intensity support bridging machine.

Description

Supporting device

Technical Field

The utility model belongs to the technical field of the technique of bridge construction and specifically relates to a strutting arrangement is related to.

Background

The existing prefabricated T-beam type bridge splicing mainly comprises the steps of gradually splicing and widening T beams at the outer side, wherein the bridge splicing and widening erection construction is general hoisting and erection, and large-tonnage hoisting equipment is used for hoisting and erecting the prefabricated T beams; however, the prefabricated T beam is erected by using large-tonnage hoisting equipment, so that the requirements on the cantilever radius and the foundation bearing capacity of the hoisting equipment are strict, and the prefabricated T beam is difficult to operate in the aspect of installation precision control; and large-tonnage hoisting equipment is required to be installed on site, is inconvenient to move and has higher requirement on the site.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a supporting device to solve present T roof beam shape bridge concatenation in-process, prefabricated T roof beam hoist and mount erects inconvenient technical problem.

The utility model provides a supporting device, which is used for supporting the front supporting leg of a bridge girder erection machine and comprises a plurality of supporting components and a plurality of transverse fixing arms for integrating the supporting components;

the supporting assembly comprises a supporting steel pipe and an adjusting cushion block assembly arranged on the supporting steel pipe; the upper end and the lower end of the support steel pipe are respectively provided with a support plate, and the support plates enable the upper end and the lower end of the support steel pipe to form a support plane; the adjusting cushion block assembly is arranged at the upper end of the supporting steel pipe and used for supporting the front supporting leg;

a plurality of the horizontal fixed arm corresponds the setting and is in the both sides of supporting the steel pipe, and two horizontal fixed arms that just correspond pass through the split screw and connect.

Furthermore, the support steel pipe is provided with a through hole for the opposite pulling screw to pass through.

Furthermore, the supporting component further comprises at least one pair of hoops, the hoops are arranged on the supporting steel pipes, and the transverse fixing arms are arranged between the two hoops and are respectively connected with the two hoops.

Furthermore, the hoop comprises a first hoop part and a second hoop part which are symmetrically arranged, and the first hoop part and the second hoop part are spliced to form the hoop;

the first hoop part comprises a hoop steel belt and connecting plates arranged at two ends of the hoop steel belt; and the upper end and the lower end of the connecting plate are respectively provided with a mounting plate which can be connected with the transverse fixing arm.

Further, the device also comprises at least one auxiliary supporting component; the auxiliary support assembly comprises a lower support arm, a horizontal support arm and an upper support arm; one end of the lower supporting arm is respectively connected with the horizontal supporting arm and the upper supporting arm, and the horizontal supporting arm is horizontal;

the other end of the lower supporting arm is used for being connected with the cover beam, and the other end of the horizontal supporting arm is connected with the transverse fixing arm, so that a back pressure triangular support is formed;

the upper supporting arm is connected with a transverse fixing arm positioned at the upper end of the horizontal supporting arm and forms a vertical adjusting triangular support with the horizontal supporting arm.

Furthermore, the one end of going up the support arm and keeping away from the lower support arm is provided with the side connecting plate, the side connecting plate be used for with horizontal fixed arm can dismantle the connection.

Further, go up the support arm with the lower support arm is articulated, just go up the support arm be flexible arm.

Further, the upper support arm comprises an upper support inner arm and an upper support outer arm; the upper support inner arm can move and be fixed along the length direction of the upper support outer arm; the upper support inner arm is connected with the transverse fixing arm, and the upper support outer arm is connected with the lower support arm.

Further, the support assembly further comprises a cushion stone, wherein the cushion stone is used for being arranged on the cover beam and supporting the support assembly.

Furthermore, the adjusting cushion block assembly comprises a steel plate clamping groove and a cushion block arranged in the steel plate clamping groove; the steel plate clamping groove is connected with the supporting steel pipe.

The utility model provides a support arrangement comprises a plurality of supporting components, through the regulation of adjusting the cushion block subassembly, makes a plurality of supporting components form the plane that is used for supporting preceding landing leg and through the setting of horizontal fixed arm, makes a plurality of supporting components form a whole, and what make this preceding landing leg can be steady places on support arrangement and have the preceding landing leg of sufficient intensity support bridging machine.

The supporting device can be arranged on the bent cap, so that the supporting device capable of supporting the front supporting leg of the bridge girder erection machine can be formed on the bent cap, the bridge girder erection machine can transversely move, and the gradual widening of the T-shaped beam is realized; compared with large-tonnage hoisting equipment, the requirement on the site is reduced; and the bent cap of the bridge is used as the installation site of the supporting device, so that the requirement on the height of the supporting device is reduced, and the erection period is shortened.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view illustrating a connection between a supporting device and a bent cap according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of A in the schematic view of the support device shown in FIG. 1 connected to the capping beam;

fig. 3 is a schematic structural view of another angle of the connection between the supporting device and the bent cap according to the embodiment of the present invention;

fig. 4 is a schematic view of a part of the hoop of the supporting device according to the embodiment of the present invention.

Icon: 100-capping beam; 200-supporting a steel pipe; 300-upper support arm; 400-a horizontal support arm; 500-a lower support arm; 600-a pad; 700-anchor ear; 701-connecting plate; 702-hoop steel belts; 703-a mounting plate; 800-oppositely pulling screw rods; 900-adjusting the pad assembly; 901-steel plate clamping grooves; 902-cushion block; 110-a transverse securing arm; 120-front leg; 130-T beam.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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 work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-4, the present invention provides a supporting device for supporting a front leg 120 of a bridge girder erection machine, comprising a plurality of supporting components and a plurality of transverse fixing arms 110 for integrating the supporting components; the supporting assembly comprises a supporting steel pipe 200 and a regulating cushion block assembly 900 arranged on the supporting steel pipe 200; the upper end and the lower end of the support steel pipe 200 are provided with support plates, and the support plates enable the upper end and the lower end of the support steel pipe 200 to form support planes; the adjusting pad assembly 900 is arranged at the upper end of the support steel pipe 200 and is used for supporting the front support leg 120; the plurality of transverse fixing arms 110 are correspondingly arranged at two sides of the support steel pipe 200, and the corresponding two transverse fixing arms 110 are connected through a split screw 800.

The bridge spliced by the prefabricated T-shaped beams 130 has at least two prefabricated T-shaped beams 130 in the width direction of the bridge; the type of the bridge girder erection machine is generally only suitable for hoisting one prefabricated T beam 130, and if the prefabricated T beam 130 needs to be hoisted again, the position of the bridge girder erection machine needs to be moved; the prefabricated T-shaped beam 130 is spliced on the ground, and the bridge girder erection machine needs a support to be supported, so that the bridge girder erection machine has a certain height; therefore, the temporary piers are erected temporarily, but the erection period of the temporary piers is long, the construction cost is large, each span needs to be erected, and the safety and the cost benefit are poor. At present, large-tonnage hoisting equipment is often adopted for hoisting, but the problems are also more.

The supporting device can effectively solve the problem that the bridge girder erection machine needs to be supported in a transverse moving mode, and the supporting device can be arranged by depending on the cover beam 100 of the bridge, so that the requirement on the height of the supporting device is greatly reduced; and the bent cap 100 has enough strength, can satisfy the requirement of support frame bridge crane.

The support means is formed by a plurality of support assemblies for supporting the front legs 120 and by the transverse fixing arms 110; in order to make the support device have a plane, the front leg 120 can be stably mounted on the support device, the support steel pipe 200 is provided with the adjusting cushion block assembly 900, and the upper surface of the support device has a support surface through the adjusting function of the adjusting cushion block assembly 900, so that the front leg 120 can be firmly and stably supported.

In order to enable the support steel pipe 200 to be in better contact with the adjusting cushion block assembly 900 and the bent cap 100, support plates are welded at the upper end and the lower end of the support steel pipe 200; the support plate makes the upper end and the lower end of the support steel pipe 200 have support planes, so that the connection between the support steel pipe 200 and the adjusting cushion block assembly 900 and the bent cap 100 is more compact and firm.

In order to ensure that the supporting device can provide stable support when being subjected to larger pressure; the transverse fixing arms 110 are arranged on two sides of the plurality of supporting components, and the transverse fixing arms 110 on the two sides of the supporting components can well clamp the supporting components, so that the plurality of supporting components form an integral supporting bridge girder erection machine; namely, a plurality of supporting components form a transverse system under the action of the transverse fixing arm 110, so as to distribute the stress and increase the shear and bending resistance of the whole supporting device.

In order to better connect the support steel tube 200 with the transverse fixing arm 110, the support steel tube 200 is provided with a through hole for the opposite pulling screw 800 to pass through.

The supporting steel pipe 200 is provided with a through hole, the opposite-pulling screw rod 800 can penetrate through the through hole to be respectively connected with the transverse fixing arms 110 on two sides of the supporting steel pipe 200, and therefore the upper, lower, left and right positions of the transverse fixing arms 110 can be limited, and a plurality of supporting components can better form a whole for supporting the bridge girder erection machine.

Referring to fig. 2, optionally, the support assembly further includes at least one pair of hoops 700, the hoops 700 are disposed on the support steel pipe 200, and the transverse fixing arm 110 is disposed between the two hoops 700 and is connected to the two hoops 700 respectively.

The support assembly is generally provided with at least one pair of hoops 700, and the support steel pipe 200 is generally provided with a plurality of hoops 700; the number of the hoops 700 is set according to the height of the supporting component, the transverse fixing arm 110 is located between the two hoops 700, namely, one hoop 700 can play a role in supporting the transverse fixing arm 110, and the other hoop 700 can play a role in pulling the transverse fixing arm 110, so that the transverse fixing arm 110 is firmly fixed on the supporting component, and the shearing resistance and bending resistance of the whole supporting device are improved.

As shown in fig. 4, optionally, the hoop 700 includes a first hoop member and a second hoop member that are symmetrically disposed, and the first hoop member and the second hoop member are spliced to form the hoop 700;

the first hoop part comprises a hoop steel belt 702 and connecting plates 701 arranged at two ends of the hoop steel belt 702; mounting plates 703 that can be connected to the lateral fixing arm 110 are provided at the upper and lower ends of the connecting plate 701, respectively.

In some embodiments, the hoop 700 is a double-spliced hoop 700, the hoop 700 is formed by splicing a first hoop member and a second hoop member to form the hoop 700, and the connection plate 701 of the first hoop member is connected with the connection plate 701 of the second hoop member, so that the hoop 700 is mounted on the support steel pipe 200; mounting plates 703 are respectively arranged at the upper end and the lower end of the connecting plate 701, and the transverse fixing arm 110 is connected with the mounting plates 703 provided with hoops 700; the transverse fixing arm 110 is generally an I-shaped cylinder, a through hole is formed in the mounting plate 703, a through hole is also formed in the transverse fixing arm 110, and the mounting plate 703 is in threaded connection with the transverse fixing arm 110 through a bolt, so that the transverse fixing arm 110 can be connected with the hoop 700.

In order to make the supporting device more stable and firm, the supporting device also comprises at least one auxiliary supporting component; the auxiliary support assembly includes a lower support arm 500, a horizontal support arm 400, and an upper support arm 300; one end of the lower support arm 500 is respectively connected with the horizontal support arm 400 and the upper support arm 300, and the horizontal support arm 400 is horizontal;

the other end of the lower supporting arm 500 is used for connecting with the cover beam 100, and the other end of the horizontal supporting arm 400 is connected with the transverse fixing arm 110, so that a back pressure triangular support is formed;

the upper support arm 300 is connected to the transverse fixing arm 110 at the upper end of the horizontal support arm 400 and forms a vertical adjustment triangular support with the horizontal support arm 400.

The auxiliary supporting assembly forms a disposal adjusting triangular support and a back pressure triangular support with the supporting assembly and the cover beam 100 simultaneously, the strength of the supporting device is effectively increased, the back pressure triangular support is supported on the side face of the cover beam 100 and provides lateral pressure, and the vertical adjusting triangular support is used for keeping the perpendicularity of the supporting assembly.

Optionally, an end of the upper support arm 300 away from the lower support arm 500 is provided with a side connection plate 701, and the side connection plate 701 is used for detachably connecting with the transverse fixing arm 110.

The upper support arm 300 is connected with the transverse fixing arm 110 through the side connecting plate 701, so that the upper support arm 300 is detachably connected with the transverse fixing arm 110, and the upper support arm 300 can be firmly connected with the transverse fixing arm 110.

In order to facilitate the connection of the auxiliary support assembly with the transverse fixing arm 110, the upper support arm 300 is hinged to the lower support arm 500, and the upper support arm 300 is a telescopic arm.

Such a configuration can ensure that the upper support arm 300 can be adjusted according to the actual height and position of the transverse support arm, reducing the difficulty of installation, and enabling the auxiliary support assembly to be more easily connected with the support assembly.

Optionally, not shown in the figures, the telescopic arm structure is more conventional, and the upper support arm 300 includes an upper support inner arm and an upper support outer arm; the upper support inner arm can move and be fixed along the length direction of the upper support outer arm; the upper support inner arm is connected with the transverse fixing arm 110, and the upper support outer arm is connected with the lower support arm 500.

The upper support inner arm and the upper support outer arm are made of I-steel, the side openings of the I-steel of the upper support outer arm and the I-steel of the upper support inner arm are larger, and the upper support inner arm can be inserted into the side opening of the upper support outer arm and moves along the length direction of the upper support outer arm; in order to fix the length of the upper support arm 300, through holes are formed in the upper support outer arm and the upper support inner arm, a plurality of through holes are generally formed in the length direction of the upper support outer arm, and when the through holes in the upper support inner arm can coincide with the through holes in the upper support outer arm, the upper support inner arm and the upper support outer arm are fixed relatively through bolts.

Referring to fig. 3, optionally, a pad 600 is further included, and the pad 600 is configured to be disposed on the capping beam 100 and support the support assembly.

The underlay 600 is intended to be placed on the lid beam 100 such that the lid beam 100 forms a plane that is better able to support the support assembly, such that the lid beam 100 is better able to support the support assembly.

Optionally, the adjusting pad assembly 900 includes a steel plate slot 901 and a pad 902 disposed in the steel plate slot 901; the steel plate clamping groove 901 is connected with the support steel pipe 200.

In order to better limit the cushion block 902 above the supporting steel pipe 200, a steel plate clamping groove 901 is arranged above the supporting steel pipe 200, the steel plate clamping groove is generally welded on the supporting steel pipe 200, the steel plate clamping groove 901 effectively limits the displacement of the cushion block 902, and the adjusting cushion block assembly 900 can be guaranteed to be firm and stable when supporting the front supporting leg 120 again.

The adjusting pad assembly 900 also has the function of forming a plane for supporting the bridge girder erection machine by the upper end of the supporting device, so that the stability is prevented from being influenced by the uneven height of the upper end of the supporting device.

The utility model provides a support arrangement comprises a plurality of supporting components, through the regulation of adjusting the cushion subassembly 900, makes a plurality of supporting components form the plane that is used for supporting preceding landing leg 120 and through the setting of horizontal fixed arm 110, makes a plurality of supporting components form a whole, makes that this preceding landing leg 120 can be steady place on support arrangement and have the preceding landing leg 120 of sufficient intensity support bridging machine.

The supporting device can be arranged on the bent cap 100, so that the supporting device capable of supporting the front supporting leg 120 of the bridge girder erection machine can be formed on the bent cap 100, the bridge girder erection machine can transversely move, and the T-shaped beam 130 is gradually widened; compared with large-tonnage hoisting equipment, the requirement on the site is reduced; and the bent cap 100 of the bridge is used as a place for installing the supporting device, so that the requirement on the height of the supporting device is reduced, and the erection period is shortened.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A support device for supporting a front leg (120) of a bridge girder erection machine, characterized in that the support device comprises a plurality of support members and a plurality of transverse fixing arms (110) for integrating the plurality of support members;

the supporting assembly comprises a supporting steel pipe (200) and an adjusting cushion block assembly (900) arranged on the supporting steel pipe (200); the upper end and the lower end of the support steel pipe (200) are respectively provided with a support plate, and the support plates enable the upper end and the lower end of the support steel pipe (200) to form a support plane; the adjusting cushion block assembly (900) is arranged at the upper end of the supporting steel pipe (200) and is used for supporting the front supporting leg (120);

the plurality of transverse fixing arms (110) are correspondingly arranged on two sides of the support steel pipe (200), and the two corresponding transverse fixing arms (110) are connected through a split screw (800).

2. The supporting device according to claim 1, characterized in that the supporting steel tube (200) is provided with a through hole for the penetration of a counter-pulling screw (800).

3. The support device according to claim 2, wherein the support assembly further comprises at least one pair of hoops (700), the hoops (700) are disposed on the support steel pipe (200), and the transverse fixing arm (110) is disposed between the two hoops (700) and is connected to the two hoops (700), respectively.

4. The supporting device as claimed in claim 3, wherein the hoop (700) comprises a first hoop member and a second hoop member which are symmetrically arranged, and the first hoop member and the second hoop member are spliced to form the hoop (700);

the first hoop part comprises a hoop steel belt (702) and connecting plates (701) arranged at two ends of the hoop steel belt (702); the upper end and the lower end of the connecting plate (701) are respectively provided with a mounting plate (703) which can be connected with the transverse fixed arm (110).

5. The support device of claim 1, further comprising at least one auxiliary support assembly; the auxiliary support assembly comprises a lower support arm (500), a horizontal support arm (400) and an upper support arm (300); one end of the lower support arm (500) is respectively connected with the horizontal support arm (400) and the upper support arm (300), and the horizontal support arm (400) is horizontal;

the other end of the lower supporting arm (500) is used for being connected with the cover beam (100), and the other end of the horizontal supporting arm (400) is connected with the transverse fixing arm (110), so that a back pressure triangular support is formed;

the upper supporting arm (300) is connected with a transverse fixing arm (110) positioned at the upper end of the horizontal supporting arm (400) and forms a vertical adjusting triangular support together with the horizontal supporting arm (400).

6. Support device according to claim 5, characterized in that the end of the upper support arm (300) remote from the lower support arm (500) is provided with a side web (701), said side web (701) being intended for detachable connection with the transverse fixing arm (110).

7. The support device according to claim 5, characterized in that the upper support arm (300) is hinged to the lower support arm (500) and the upper support arm (300) is a telescopic arm.

8. The support device of claim 7, wherein the upper support arm (300) comprises an upper support inner arm and an upper support outer arm; the upper support inner arm can move and be fixed along the length direction of the upper support outer arm; the upper support inner arm is connected with the transverse fixing arm (110), and the upper support outer arm is connected with the lower support arm (500).

9. The support device according to claim 1, further comprising a pad stone (600), the pad stone (600) being adapted to be arranged at the lid beam (100) and to support the support assembly.

10. The supporting device according to claim 1, wherein the adjusting cushion block assembly (900) comprises a steel plate clamping groove (901) and a cushion block (902) arranged in the steel plate clamping groove (901); the steel plate clamping groove (901) is connected with the support steel pipe (200).