CN219174051U

CN219174051U - Bridge piece together wide steel member installation and is assisted hoist

Info

Publication number: CN219174051U
Application number: CN202223413349.7U
Authority: CN
Inventors: 朱立龙; 赵云桃; 唐云辉; 乞英森; 罗宁
Original assignee: China Railway 12th Bureau Group Co Ltd; First Engineering Co Ltd of China Railway No 12 Bureau Group Co Ltd
Current assignee: China Railway 12th Bureau Group Co Ltd; First Engineering Co Ltd of China Railway No 12 Bureau Group Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-13
Anticipated expiration: 2032-12-20

Abstract

The utility model belongs to the field of bridge construction equipment, and particularly relates to an auxiliary lifting appliance for mounting a bridge spliced wide steel member; the support beam comprises a main beam in the middle and auxiliary beams at two sides, a linear cylinder body penetrating the length of the main beam is arranged in the main beam, and the two auxiliary beams are slidably inserted into two ends of the linear cylinder body; an adjusting mechanism for driving the auxiliary beam to retract relative to the main beam is arranged on the main beam; the beam ends of the two auxiliary beams, which deviate from the main beams, are connected with steel member clamps; the steel member fixture comprises a shoulder pole beam, clamping claws and a second threaded rod, wherein sliding grooves are formed in beam bodies on two sides of the hanging ring, the sliding grooves are parallel to the shoulder pole Liang Liangchang and are open at the bottom, the tops of the clamping claws extend into the sliding grooves, the second threaded rod penetrates from the beam ends of the shoulder pole beam and passes through threaded holes in the clamping claws to be connected with the beam of the shoulder pole beam, and a revolute pair is arranged between the second threaded rod and the shoulder pole beam; the total length of the supporting beam can be adjusted according to the length of the steel member to be hoisted, the length of the shoulder pole beam can be adjusted according to the width of the steel member to be hoisted, and the application range is wide.

Description

Bridge piece together wide steel member installation and is assisted hoist

Technical Field

The utility model belongs to the field of bridge construction equipment, and particularly relates to an auxiliary lifting appliance for mounting a bridge spliced wide steel member.

Background

In recent years, along with continuous progress of society and rapid development of economy, part of early-built bridge roads have the problems of traffic jam and insufficient transportation capability due to narrower road width and smaller number of lanes, especially the two-way and four-way roads, so that safety accidents are increased year by year, the purpose of widening the bridge roads is to widen the bridge roads, thereby solving the problems of road jam and the like, and in bridge widening engineering, steel members are usually hoisted and transported by using an installation auxiliary hoisting tool.

At present, some bridge pieces together wide steel member installation auxiliary lifting appliance, its structure often comparatively fixed, can not adjust according to the length of steel member, still need change the lifting appliance when facing longer steel member and fix it, reduced work efficiency, can not satisfy current stage user's demand.

Therefore, it is necessary to provide a new auxiliary lifting appliance for installing bridge splicing wide steel members to solve the technical problems.

Disclosure of Invention

The utility model aims to solve the problem that a lifting appliance needs to be replaced when bridge splicing steel members with different lengths are lifted.

The utility model provides the following technical scheme: the auxiliary lifting appliance comprises a supporting beam, wherein the supporting beam comprises a main beam in the middle and auxiliary beams at two sides, a lifting ring is arranged on the main beam, a linear cylinder body penetrating through the length of the main beam is arranged in the main beam, the two auxiliary beams are slidably inserted at two ends of the linear cylinder body, and a rotation limit is arranged between the auxiliary beams and the linear cylinder body;

an adjusting mechanism for driving the auxiliary beam to retract relative to the main beam is arranged on the main beam; the adjusting mechanism comprises a torque input mechanism arranged in the main beam, a first bevel gear connected with the torque input mechanism is positioned in a linear cylinder, two first threaded rods parallel to the length of the main beam are respectively penetrated into rotary seats at two sides of the first bevel gear, the rotary seats are fixedly connected with the main beam, one end of each first threaded rod is screwed with a screw hole in the auxiliary beam, a second bevel gear is arranged at the other end of each first threaded rod, and the second bevel gear is meshed with the first bevel gear;

and the beam ends of the two auxiliary beams, which deviate from the main beam, are connected with steel member clamps.

Further, the steel member fixture comprises a shoulder pole beam, a claw and a second threaded rod, a hanging ring is connected in the beam of the shoulder pole beam, an opening hook is arranged at the bottom of a suspender at the bottom of the auxiliary beam, and the opening hook is connected with the hanging ring; the beam body on both sides of the hanging ring is provided with a sliding groove, the sliding groove is parallel to the shoulder pole Liang Liangchang and is provided with an opening at the bottom, the top of the claw stretches into the sliding groove, the second threaded rod penetrates from the beam end of the shoulder pole beam and passes through the threaded hole on the claw to be connected with the beam of the shoulder pole beam, a revolute pair is arranged between the second threaded rod and the shoulder pole beam, and the outer leakage end of the second threaded rod is connected with a hand wheel.

Further, the jack catch includes the sliding part and the elevating system of lower part on upper portion, and the bottom and the top nest of elevating system of sliding part link to each other, penetrate the fixed screw after the unthreaded hole of vertical distribution on the sliding part aligns with the second screw hole of vertical distribution on the elevating system.

Further, the torque input mechanism is a gear motor, and the gear motor is arranged in a protection box on the top of the main girder.

Further, the cross section of the straight cylinder in the main beam is rectangular, and the cross section of the auxiliary beam is also rectangular.

Further, the side wall of the linear cylinder body in the main beam is provided with a wire slot parallel to the length of the beam, and the auxiliary beam is provided with a sliding block matched with the wire slot in a protruding mode.

Further, limit grooves parallel to the length of the carrying pole are formed in the groove walls of the two sides of the sliding groove of the carrying pole beam, and flanges matched with the limit grooves are integrally connected to the sliding parts.

Compared with the prior art, the utility model has the advantages that:

according to the auxiliary lifting appliance for mounting the bridge spliced wide steel member, the total length of the supporting beam can be adjusted according to the length of the steel member to be lifted, the length of the shoulder pole beam can be adjusted according to the width of the steel member to be lifted, the distance from the clamping jaw to the shoulder pole beam can be adjusted according to the thickness of the steel member to be lifted, and one lifting appliance can basically complete the lifting tasks of all types of steel members on a construction site, so that the application range is wide and the use cost is reduced.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the adjusting mechanism.

Fig. 3 is a schematic structural view of the steel member fixture.

Fig. 4 is a schematic structural view of the claw.

Fig. 5 is an enlarged schematic view at a in fig. 1.

In the figure: 1-a main beam; 2-auxiliary beams; 3-an adjusting mechanism; 31-a gear motor; 32-a first bevel gear; 33-a second bevel gear; 34-a first threaded rod; 35-a first threaded hole; 36-a protective box; 37-heat dissipation holes; 38-dustproof net; 39-a rotary base; 4-hanging rings; 5-wire slots; 6-sliding blocks; 7-hanging rods; 8-opening hooks; 9-hanging rings; 10-carrying pole beams; 11-a second threaded rod; 12-a limit groove; 13-a sliding part; 14-flanges; 15-a hand wheel; 16-an anti-skid sleeve; 17-a lifting part; 18-a second threaded hole; 19-fixing screws.

Detailed Description

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

As shown in fig. 1: the utility model provides a bridge piece together wide steel member installation and is assisted hoist, includes a supporting beam, and a supporting beam includes girder 1 in the middle and the auxiliary girder 2 of both sides, installs rings 4 on the girder 1, and rings 4 link to each other with lifting device's cable wire, have the straight line barrel that runs through its roof beam length in the girder 1, and two auxiliary girder 2 slidable are pegged graft at the both ends of straight line barrel, are equipped with rotation spacing between auxiliary girder 2 and the straight line barrel, prevent that auxiliary girder 2 from rotating relative girder 1.

As shown in fig. 2: an adjusting mechanism 3 for driving the auxiliary beam 2 to retract relative to the main beam 1 is arranged on the main beam 1; the adjusting mechanism 3 comprises a torque input mechanism arranged in a girder 1, a first bevel gear 32 connected with the torque input mechanism is positioned in a linear cylinder, two first threaded rods 34 parallel to the girder length of the girder 1 respectively penetrate through rotary seats 39 on two sides of the first bevel gear 32, the rotary seats 39 are fixedly connected with the girder 1, one end of each first threaded rod 34 is screwed with a threaded hole in the auxiliary girder 2, a second bevel gear 33 is arranged at the other end of each first threaded rod, and the second bevel gear 33 is meshed with the first bevel gear 32. The torque input mechanism drives the first bevel gear 32 to rotate, the first bevel gear 32 transmits torque to the second bevel gear 33, the first threaded rod 34 connected with the second bevel gear 33 synchronously rotates, the first threaded rod 34 is limited on the rotary seat 39 to be only rotatable and not axially movable, and the auxiliary beam 2 limited in the main beam 1 is only axially movable and not rotatable, so that the matching relationship between the first threaded rod 34 and the first threaded hole 35 on the auxiliary beam 2 enables the first threaded rod 34 to push and pull the auxiliary beam 2 to slide in the main beam 1.

Specifically, the cross section of the straight cylinder in the main beam 1 is rectangular, and the cross section of the auxiliary beam 2 is also rectangular. As shown in fig. 5: in order to improve the stability of the auxiliary beam 2 during sliding, the side wall of the linear cylinder body in the main beam 1 is provided with a wire slot 5 parallel to the length of the beam, and the auxiliary beam 2 is provided with a sliding block 6 matched with the wire slot 5 in a protruding mode.

Specifically, the torque input mechanism is a gear motor 31, and the gear motor 31 is installed in a protection box 36 on the top of the main beam 1. The protective case 36 is provided with a heat radiation hole 37, and a dust screen 38 is arranged at the heat radiation hole 37.

The beam ends of the two auxiliary beams 2, which deviate from the main beam 1, are connected with steel member clamps, and when the auxiliary beams 2 slide, the distance between the two steel member clamps is lengthened or shortened to be matched with the length of the steel member.

As shown in fig. 3: the steel member fixture comprises a shoulder pole beam 10, a claw and a second threaded rod 11, wherein a hanging ring 9 is connected in the beam of the shoulder pole beam 10, an opening hook 8 is arranged at the bottom of a suspender 7 at the bottom of the auxiliary beam 2, and the opening hook 8 is connected with the hanging ring 9. The beam bodies on two sides of the hanging ring 9 are provided with sliding grooves, the sliding grooves are parallel to the beam length of the shoulder pole beam 10 and are open at the bottom, the tops of the clamping jaws extend into the sliding grooves, the second threaded rod 11 penetrates from the beam end of the shoulder pole beam 10 and passes through the threaded holes in the clamping jaws to be connected with the beam of the shoulder pole beam 10, the second threaded rod 11 is connected with the shoulder pole beam 10 through a revolute pair, namely the second threaded rod 11 freely rotates and cannot move on the shoulder pole beam 10, and the outer leakage end of the second threaded rod 11 is connected with a hand wheel 15. The sliding groove limits the jaw to swing, the second threaded rod 11 rotates when the hand wheel 15 is rocked, the jaw slides in the sliding groove due to the threaded fit relationship when the second threaded rod 11, the distance between the two jaws is lengthened or shortened, and the distance is matched with the width of the steel member.

Limiting grooves 12 parallel to the length of the carrying pole beam 10 are formed in the groove walls on two sides of the sliding groove, and flanges 14 matched with the limiting grooves 12 are integrally connected to the sliding parts 13.

As shown in fig. 4: the claw comprises an upper sliding part 13 and a lower lifting part 17, the bottom end of the sliding part 13 is connected with the top end of the lifting part 17 in a nested way, the joint length of the sliding part 13 and the lifting part 17 can be adjusted, and a fixing screw 19 penetrates after aligning a light hole vertically distributed on the sliding part 13 with a second threaded hole 18 vertically distributed on the lifting part 17; the insertion length of the lifting part 17 and the sliding part 13 is adjusted according to the thickness of the steel member, and after adjustment, a fixing screw 19 is inserted into a hole in the overlapping region of the lifting part 17 and the sliding part 13.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a bridge piece together wide steel member installation and is assisted hoist, its characterized in that: the supporting beam comprises a main beam (1) in the middle and auxiliary beams (2) on two sides, a hanging ring (4) is arranged on the main beam (1), a linear cylinder body penetrating through the length of the main beam (1) is arranged in the main beam, the two auxiliary beams (2) are slidably inserted into two ends of the linear cylinder body, and a rotation limit is arranged between the auxiliary beams (2) and the linear cylinder body;

an adjusting mechanism (3) for driving the auxiliary beam (2) to retract relative to the main beam (1) is arranged on the main beam (1); the adjusting mechanism (3) comprises a torque input mechanism arranged in a girder (1), a first bevel gear (32) connected with the torque input mechanism is positioned in a linear cylinder, two first threaded rods (34) parallel to the girder length of the girder (1) respectively penetrate through rotary seats (39) at two sides of the first bevel gear (32), the rotary seats (39) are fixedly connected with the girder (1), one end of each first threaded rod (34) is screwed with a screw hole in a secondary girder (2), a second bevel gear (33) is arranged at the other end of each first threaded rod, and the second bevel gear (33) is meshed with the corresponding first bevel gear (32);

the beam ends of the two auxiliary beams (2) deviating from the main beam (1) are connected with steel member clamps.

2. The bridge girder steel component installation auxiliary lifting appliance according to claim 1, wherein: the steel member fixture comprises a shoulder pole beam (10), a claw and a second threaded rod (11), wherein a hanging ring (9) is connected in the beam of the shoulder pole beam (10), the bottom of a suspender (7) at the beam bottom of the auxiliary beam (2) is provided with an open hook (8), and the open hook (8) is connected with the hanging ring (9); the beam body on both sides of the hanging ring (9) is provided with a sliding groove, the sliding groove is parallel to the beam length of the shoulder pole beam (10) and is provided with an opening at the bottom, the top of the claw stretches into the sliding groove, the second threaded rod (11) penetrates from the beam end of the shoulder pole beam (10) and passes through the threaded hole on the claw to be connected with the beam of the shoulder pole beam (10), the second threaded rod (11) is connected with the shoulder pole beam (10) through a revolute pair, and the outer leakage end of the second threaded rod (11) is connected with a hand wheel (15).

3. The bridge girder steel component installation auxiliary lifting appliance according to claim 2, wherein: the claw comprises a sliding part (13) at the upper part and a lifting part (17) at the lower part, the bottom end of the sliding part (13) is connected with the top end of the lifting part (17) in a nested way, and a light hole vertically distributed on the sliding part (13) is aligned with a second threaded hole (18) vertically distributed on the lifting part (17) and then penetrates into a fixing screw (19).

4. The bridge girder steel component installation auxiliary lifting appliance according to claim 1, wherein: the torque input mechanism is a gear motor (31), and the gear motor (31) is arranged in a protection box (36) on the beam top of the main beam (1).

5. The bridge girder steel component installation auxiliary lifting appliance according to claim 1, wherein: the section of the straight cylinder in the main beam (1) is rectangular, and the section of the auxiliary beam (2) is also rectangular.

6. The bridge girder steel component installation auxiliary lifting appliance according to claim 5, wherein: the side wall of the linear cylinder body in the main beam (1) is provided with a wire groove (5) parallel to the length of the beam, and the auxiliary beam (2) is provided with a sliding block (6) matched with the wire groove (5) in a protruding mode.

7. The bridge girder steel component installation auxiliary lifting appliance according to claim 2, wherein: limiting grooves (12) parallel to the length of the carrying pole beam are formed in the groove walls of the two sides of the sliding groove of the carrying pole beam (10), and flanges (14) matched with the limiting grooves (12) are integrally connected to the sliding parts (13).