CN215405643U

CN215405643U - Supporting device for bridge

Info

Publication number: CN215405643U
Application number: CN202121845266.8U
Authority: CN
Inventors: 张学林; 李勇; 马世财; 刘婷婷; 贾国平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-01-04
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses a supporting device for a bridge, which comprises a base, wherein a lifting table is arranged on the top of the base through a lifting locking mechanism, an annular first sliding groove is formed in the top of the lifting table, an annular sliding rail is arranged in the first sliding groove in a sliding mode, a rotating seat is fixed at the top end of the sliding rail, a rotating shaft is fixed at the bottom of the rotating seat, a worm wheel is fixed at the bottom end of the rotating shaft, a fixed seat is fixed at the bottom of the lifting table, a worm is rotatably arranged on the fixed seat and is in meshing transmission with the worm wheel, a first hand wheel is fixed at one end of the worm, and a strip-shaped second sliding groove is formed in the top of the rotating seat. The utility model has the advantages of convenient adjustment, flexible support and safe operation.

Description

Supporting device for bridge

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a supporting device for a bridge.

Background

Constructing a bridge according to the design content; the construction method mainly refers to the contents of bridge construction technology, construction organization, construction management, construction quality and the like, and the supporting device can be used during bridge construction. At present, a common supporting device can only support a structure with a plane bottom, is inconvenient to adjust in supporting, needs to be integrally adjusted, and is very troublesome, and the supporting device for the bridge is provided aiming at the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a supporting device for a bridge.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a supporting device for a bridge comprises a base, wherein a lifting platform is installed at the top of the base through a lifting locking mechanism, an annular first sliding groove is formed in the top of the lifting platform, an annular sliding rail is installed in the first sliding groove in a sliding mode, a rotating seat is fixed at the top end of the sliding rail, a rotating shaft is fixed at the bottom of the rotating seat, a worm wheel is fixed at the bottom end of the rotating shaft, a fixing seat is fixed at the bottom of the lifting platform, a worm is installed on the fixing seat in a rotating mode and meshed with the worm wheel in a transmission mode, a first hand wheel is fixed at one end of the worm, a strip-shaped second sliding groove is formed in the top of the rotating seat, a moving seat is installed in the second sliding groove in a sliding mode, a first lead screw penetrates through the side edge of the moving seat and is connected with the moving seat through threads, the first lead screw penetrates through the rotating seat in a rotating mode, a second hand wheel is fixed at one end of the first lead screw, the top of removing the seat articulates there is the backup pad, the backup pad with remove and articulate between the seat and be connected with first pneumatic cylinder, protection machanism is all installed at the bottom both ends of elevating platform, running gear is all installed at the both ends of base.

Preferably, lift locking mechanism includes second pneumatic cylinder, third hand wheel, support, second lead screw, the second pneumatic cylinder is installed on the base, the piston rod of second pneumatic cylinder is fixed in the bottom of elevating platform, be fixed with the support of the L shape of inversion between the side of second pneumatic cylinder and the base, it has the second lead screw to run through on the support, and support and second lead screw pass through threaded connection, the bottom mounting of second lead screw has the third hand wheel.

Preferably, the protection mechanism comprises a protection plate and a third hydraulic cylinder, the protection plate is hinged to the bottom of the lifting platform, and the third hydraulic cylinder is hinged between the protection plate and the lifting platform.

Preferably, the traveling mechanism comprises a sleeve, a fourth hydraulic cylinder, a sliding block and a roller, the sleeve is fixed to the base, the fourth hydraulic cylinder is installed at the top of the sleeve, a piston rod of the fourth hydraulic cylinder is inserted into the sleeve and is fixed with the sliding block, and the roller is installed at the bottom of the sliding block.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the worm is rotated, the rotating shaft is driven to rotate by the meshing transmission of the worm and the worm wheel, the rotating shaft drives the rotating seat to rotate, so that the supporting position of the supporting plate can be adjusted in the circumferential direction, the moving seat can be driven to translate by the threaded transmission between the first screw rod and the moving seat by rotating the first screw rod, so that the supporting position of the supporting plate can be adjusted in the horizontal direction, and the supporting inclination angle of the supporting plate can be adjusted by the first hydraulic cylinder.

2. According to the utility model, the position of the lifting platform in the vertical direction can be adjusted through the second hydraulic cylinder, the second screw rod is rotated after the position of the lifting platform is adjusted in place, the top end of the second screw rod is propped against the bottom of the lifting platform, and the lifting platform can be prevented from descending by utilizing the self-locking property of the threads, so that the height position of the lifting platform is maintained.

3. According to the utility model, the protection plate can be unfolded through the third hydraulic cylinder, so that a worker under construction can be protected to a certain extent, and potential safety hazards caused by falling of an object above the protection plate are avoided.

4. According to the utility model, the roller can be driven to lift through the fourth hydraulic cylinder through the sliding block, the base can move when the roller is in contact with the ground, so that the roller can be conveniently moved to a specified position, and when the roller is separated from the ground, the base is stably placed at the position, and can not move in a shifting manner, so that the stability is good.

Drawings

Fig. 1 is a schematic structural view of a supporting device for a bridge according to the present invention;

fig. 2 is a schematic partial structural view of a supporting device for a bridge according to the present invention;

fig. 3 is a schematic structural diagram of a lifting locking mechanism of a supporting device for a bridge according to the present invention;

fig. 4 is a schematic structural diagram of a protection mechanism of a supporting device for a bridge according to the present invention;

fig. 5 is a schematic structural diagram of a traveling mechanism of a supporting device for a bridge according to the present invention.

In the figure: the lifting device comprises a base 1, a lifting locking mechanism 2, a second hydraulic cylinder 21, a third hand wheel 22, a support 23, a second screw rod 24, a lifting platform 3, a supporting plate 4, a first hydraulic cylinder 5, a movable seat 6, a rotatable seat 7, a protective mechanism 8, a protective plate 81, a third hydraulic cylinder 82, a traveling mechanism 9, a sleeve 91, a fourth hydraulic cylinder 92, a sliding block 93, a roller 94, a fixed seat 10, a worm wheel 11, a rotating shaft 12, a worm 13, a first hand wheel 14, a second hand wheel 15, a first screw rod 16 and a sliding rail 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1:

referring to fig. 1-2, a supporting device for a bridge comprises a base 1, an annular first sliding groove is formed at the top of a lifting platform 3, an annular sliding rail 17 is slidably installed in the first sliding groove, a rotating seat 7 is fixed at the top end of the sliding rail 17, a rotating shaft 12 is fixed at the bottom of the rotating seat 7, a worm wheel 11 is fixed at the bottom end of the rotating shaft 12, a fixed seat 10 is fixed at the bottom of the lifting platform 3, a worm 13 is rotatably installed on the fixed seat 10, the worm 13 is in meshing transmission with the worm wheel 11, a first hand wheel 14 is fixed at one end of the worm 13, a strip-shaped second sliding groove is formed at the top of the rotating seat 7, a moving seat 6 is slidably installed in the second sliding groove, a first lead screw 16 penetrates through the side edge of the moving seat 6, the first lead screw 16 is in threaded connection with the moving seat 6, the first lead screw 16 rotatably penetrates through the rotating seat 7, a second hand wheel 15 is fixed at one end of the first lead screw 16, a supporting plate 4 is hinged at the top of the moving seat 6, a first hydraulic cylinder 5 is hinged between the support plate 4 and the movable seat 6.

In this embodiment, through rotating worm 13, the meshing transmission that utilizes worm 13 and worm wheel 11 drives pivot 12 and rotates, pivot 12 drives and rotates seat 7 and rotates, thereby can be at the support position of circumference adjustment backup pad 4, through rotating first lead screw 16, utilize screw drive between first lead screw 16 and the removal seat 6 to drive and remove the translation of seat 6, thereby can be at the support position of horizontal direction adjustment backup pad 4, through the support inclination of the adjustable backup pad 4 of first pneumatic cylinder 5, to sum up, can carry out nimble regulation to backup pad 4 position under the condition that base 1 is motionless, do not confine the horizontal support to, adaptable multiple support condition, it is more nimble to support.

Example 2:

referring to fig. 3, a lifting table 3 is installed on the top of a base 1 through a lifting locking mechanism 2, the lifting locking mechanism 2 includes a second hydraulic cylinder 21, a third hand wheel 22, a support 23 and a second screw rod 24, the second hydraulic cylinder 21 is installed on the base 1, a piston rod of the second hydraulic cylinder 21 is fixed on the bottom of the lifting table 3, an inverted L-shaped support 23 is fixed between the side edge of the second hydraulic cylinder 21 and the base 1, the second screw rod 24 penetrates through the support 23, the support 23 is connected with the second screw rod 24 through threads, and the third hand wheel 22 is fixed at the bottom end of the second screw rod 24.

In this embodiment, the position of the lifting platform 3 in the vertical direction can be adjusted by the second hydraulic cylinder 21, the second screw rod 24 is rotated after the adjustment is completed, the top end of the second screw rod 24 is pushed against the bottom of the lifting platform 3, and the lifting platform 3 can be prevented from descending by utilizing the self-locking property of the threads, so that the height position of the lifting platform 3 is maintained (the reason is that the piston rod of the second hydraulic cylinder 21 can contract to a certain extent during long-time support, so that the lifting platform 3 descends, and the hydraulic support is non-rigid).

Example 3:

referring to fig. 4, the protection mechanisms 8 are installed at both ends of the bottom of the lifting platform 3, each protection mechanism 8 comprises a protection plate 81 and a third hydraulic cylinder 82, the protection plates 81 are hinged to the bottom of the lifting platform 3, and the third hydraulic cylinders 82 are hinged between the protection plates 81 and the lifting platform 3.

In this embodiment, the protection plate 81 can be unfolded through the third hydraulic cylinder 82, so that a worker who performs construction below can be protected to a certain extent, and potential safety hazards caused by falling of objects above can be avoided.

Example 4:

referring to fig. 5, the two ends of the base 1 are both provided with the traveling mechanisms 9, each traveling mechanism 9 comprises a sleeve 91, a fourth hydraulic cylinder 92, a slider 93 and a roller 94, the sleeve 91 is fixed to the base 1, the fourth hydraulic cylinder 92 is installed at the top of the sleeve 91, a piston rod of the fourth hydraulic cylinder 92 is inserted into the sleeve 91 and is fixed with the slider 93, and the roller 94 is installed at the bottom of the slider 93.

In this embodiment, the fourth hydraulic cylinder 92 can drive the roller 94 to move up and down through the slider 93, and the base 1 can move when the roller 94 contacts with the ground, so that the roller can conveniently move to a designated position, and when the roller 94 is separated from the ground, the base 1 is stably placed at the position, and can not move in a shifting manner, so that the stability is good.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a strutting arrangement for bridge, includes base (1), its characterized in that, elevating platform (3) are installed through lift locking mechanism (2) to the top of base (1), annular first spout has been seted up at the top of elevating platform (3), slidable mounting has annular slide rail (17) in the first spout, the top of slide rail (17) is fixed with rotates seat (7), the bottom of rotating seat (7) is fixed with pivot (12), the bottom mounting of pivot (12) has worm wheel (11), the bottom of elevating platform (3) is fixed with fixing base (10), it installs worm (13) to rotate on fixing base (10), worm (13) and worm wheel (11) meshing transmission, the one end of worm (13) is fixed with first hand wheel (14), the top of rotating seat (7) is seted up the second spout of bar, sliding mounting has removal seat (6) in the second spout, the side of removing seat (6) runs through there is first lead screw (16), first lead screw (16) with remove seat (6) through threaded connection, first lead screw (16) are rotated and are run through rotation seat (7), the one end of first lead screw (16) is fixed with second hand wheel (15), the top of removing seat (6) articulates there is backup pad (4), articulated between backup pad (4) and the removal seat (6) are connected with first pneumatic cylinder (5), protection machanism (8) are all installed at the bottom both ends of elevating platform (3), running gear (9) are all installed at the both ends of base (1).

2. The supporting device for the bridge of claim 1, wherein the lifting locking mechanism (2) comprises a second hydraulic cylinder (21), a third hand wheel (22), a bracket (23) and a second screw rod (24), the second hydraulic cylinder (21) is installed on the base (1), a piston rod of the second hydraulic cylinder (21) is fixed at the bottom of the lifting platform (3), an inverted L-shaped bracket (23) is fixed between the side edge of the second hydraulic cylinder (21) and the base (1), the second screw rod (24) penetrates through the bracket (23), the bracket (23) is in threaded connection with the second screw rod (24), and the third hand wheel (22) is fixed at the bottom end of the second screw rod (24).

3. The supporting device for the bridge as claimed in claim 1, wherein the protecting mechanism (8) comprises a protecting plate (81) and a third hydraulic cylinder (82), the protecting plate (81) is hinged to the bottom of the lifting platform (3), and the third hydraulic cylinder (82) is hinged between the protecting plate (81) and the lifting platform (3).

4. The supporting device for the bridge of claim 1, wherein the traveling mechanism (9) comprises a sleeve (91), a fourth hydraulic cylinder (92), a sliding block (93) and a roller (94), the sleeve (91) is fixed to the base (1), the fourth hydraulic cylinder (92) is installed at the top of the sleeve (91), a piston rod of the fourth hydraulic cylinder (92) is inserted into the sleeve (91) and fixed with the sliding block (93), and the roller (94) is installed at the bottom of the sliding block (93).