CN112252196A

CN112252196A - Bridge protection frame locking device

Info

Publication number: CN112252196A
Application number: CN202011224858.8A
Authority: CN
Inventors: 何理礼
Original assignee: Chongqing Industry Polytechnic College
Current assignee: Chongqing Industry Polytechnic College
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2021-01-22
Anticipated expiration: 2039-09-20
Also published as: CN110468733A; CN112252196B; CN110468733B

Abstract

The invention relates to the technical field of building machinery manufacturing, in particular to a locking device for a bridge protection frame. The specific technical scheme is as follows: the utility model provides a bridge protection frame locking device, includes that case roof beam is dull and stereotyped and the locking carriage of symmetry joint at the dull and stereotyped edge of case roof beam, every the top of locking carriage can be dismantled and is fixed with the mount, every all be provided with locking mechanism on the locking carriage, locking mechanism is including being located the dull and stereotyped upper surface department of case roof beam, along the connecting plate that locking carriage outer end stretches out, can dismantle on the connecting plate and be connected with the surface and compress tightly the dull and stereotyped upper surface of case roof beam can roll the cone pulley, can roll the cone pulley and be in the dull and stereotyped surface of case roof beam for the state that the outer end is big, inner is little, can roll the side of cone pulley. The locking device provided by the invention can well stabilize the locking sliding frame on the box girder flat plate, and the construction can not be influenced when the bridge deck needs to work by large-scale equipment.

Description

Bridge protection frame locking device

Technical Field

The invention relates to the technical field of building machinery manufacturing, in particular to a locking device for a bridge protection frame.

Background

The bridge is generally a building erected on the river or lake surface for pedestrians and vehicles to pass through. Nowadays, the construction of bridges is not only the construction of national infrastructure, but also the embodiment of national comprehensive national force and technological innovation capability, and is benefited by the continuous pursuit and breakthrough of the country to bridge construction, and is the continuous effort and payment of a generation of bridge constructors.

The bridge is when the building construction, the workman need work on the bridge, the height of bridge is higher, in order to ensure constructor's life safety, need carry out certain protection to the construction department, the protection that is used for high altitude construction operation that has now, adopt metal steel pipe or section bar mostly, the fastener concatenation is taken, its bearing capacity and shock resistance are relatively poor, still brought the potential safety hazard for the use of guard plate under the wind load effect, need consume a large amount of labour resources and time when installation and dismantlement, and the guard plate can not remove after the installation, metal tubular product simultaneously, the rail guard net effect that the fastener was built is single, and the effect is not good, can not in time satisfy construction progress and safety requirement, the high altitude people that falls decreases, the thing loss incident takes place occasionally.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a locking device for a bridge protection frame, which can well stabilize a locking sliding frame on a box girder flat plate and cannot influence the construction when large-scale equipment needs to work on a bridge floor.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the invention discloses a locking device for a bridge protection frame, which comprises a box girder flat plate and locking sliding frames symmetrically clamped at the edge of the box girder flat plate, wherein a fixed frame is detachably fixed at the top of each locking sliding frame, each locking sliding frame is provided with a locking mechanism, each locking mechanism comprises a connecting plate which is positioned at the upper surface of the box girder flat plate and extends out along the outer end of the locking sliding frame, a rollable conical wheel which is used for pressing the upper surface of the box girder flat plate on the surface is detachably connected onto the connecting plate, the rollable conical wheel is positioned on the surface of the box girder flat plate in a state that the outer end is large and the inner end is small, and the side edge of the rollable conical wheel is attached to the upper surface of.

Preferably, the locking mechanism is provided on two of the locking carriages which are symmetrical.

Correspondingly, the bridge protection frame overturning device comprises a box girder flat plate and locking sliding frames symmetrically clamped at the edge of the box girder flat plate, wherein a fixed frame is detachably fixed at the top of each locking sliding frame, an overturning fixed plate is fixedly installed at the upper part of the side surface of each locking sliding frame, an overturning motor is fixedly installed at the top of the overturning fixed plate, the overturning fixed plate is arranged at one side close to the locking mechanism, and an overturning gear is fixedly sleeved on an output shaft of the overturning motor;

the top fixed mounting of locking carriage has the fixed block, and the middle part activity of fixed block has cup jointed the trip shaft, the trip shaft with the mount is fixed, the trip shaft end fixing has from the driving wheel, and from the outer edge of driving wheel and turning gear intermeshing.

Preferably, the locking sliding frames are symmetrically arranged at the front end and the rear end of each fixing frame, and the locking sliding frames and the fixing frames positioned on the two sides of the flat plate of the box girder are symmetrically arranged respectively.

Preferably, the fixed blocks are distributed at the front end and the rear end of each fixed frame in a mirror image mode, and the turnover shaft penetrates through the fixed frame from one fixed block to the other fixed block and is rotatably connected with the two fixed blocks.

Preferably, the driven wheels are fixed on one end of the overturning shaft, and the driven wheels positioned on two sides of the box girder flat plate are symmetrically arranged.

Preferably, a guardrail net is fixed on the fixing frame, the fixing frame is in an inverted L shape, the tops of the inverted L-shaped fixing frames are arranged in opposite directions, and waterproof sunshade cloth covers the inverted L-shaped fixing frames.

Preferably, the locking sliding frame is fixedly provided with two support frames on the side corresponding to the box girder slab, two driven rollers are connected between the support frames through fixed pins, and each driven roller is attached to the surface of the box girder slab.

Preferably, the driven rollers are provided with a plurality of driven rollers which are uniformly distributed on the corresponding side surfaces of the locking sliding frame and the box girder flat plate.

The invention has the following beneficial effects:

1. the protection frame locking device disclosed by the invention can ensure the stability between the locking sliding frame and the box girder flat plate when the box girder flat plate has no road edge. Moreover, when the bridge floor needs to work on large-scale equipment, the overturning motor drives the overturning gear to rotate, so that the overturning shaft is driven to rotate through the driven wheel, and then the L-shaped fixing frames on the two sides are opened outwards to provide a working space for the large-scale equipment. In addition, metal guardrail net is the horizontality when L shape mount outwards opens, the effectual emergence that prevents the accident of falling, and waterproof puggaree is vertical state simultaneously, further protects the staff, and whole upset process can not influence locking device's use yet.

2. The fixing frames arranged on the two sides of the box girder flat plate and the metal guardrail net arranged on the fixing frames effectively avoid the occurrence of the conditions of people damage and object damage caused by falling from high altitude, ensure the safety of workers, reduce property loss, and simultaneously, the waterproof sunshade cloth on the top of the fixing frames effectively reduces the influence caused by sun and rain, thereby further ensuring the safety of the workers.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention on a box girder slab; a schematic structural diagram;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the structure of the traveling wheel of the present invention;

in the figure: 1. a box girder slab; 2. locking the sliding frame; 3. turning over the fixing plate; 4. turning over a motor; 5. turning over the gear; 6. a fixed block; 7. a driven wheel; 8. a turning shaft; 9. a moving fixed block; 10. a traveling motor; 11. a traveling fixed plate; 12. a fixed shaft; 13. a travel wheel; 14. a traveling gear; 15. a drive gear; 16. a fixed mount; 17. a support frame; 18. a driven roller; 20. a connecting plate; 30. a rollable cone wheel.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Unless otherwise indicated, the technical means used in the examples are conventional means well known to those skilled in the art.

Example 1

Referring to fig. 1 to 3, the safety device for high-altitude construction of a bridge of the present invention is located on a constructed slab 1 with a road-following box girder. Wherein, the flat board 1 of case roof beam is for outer edge highly be less than middle height's approximate trapezoidal, and the middle bottom fixed mounting at the flat board 1 top of case roof beam has the pier, and the flat board 1 of case roof beam approximate trapezoidal shape makes the flat board 1 middle part intensity of case roof beam higher, provides sufficient holding power for the flat board 1 of case roof beam, has guaranteed the flat board 1 of case roof beam stability as a whole, has reduced the probability of incident appearing, has ensured staff's safety. The left and right sides at the top of the box girder slab 1 are fixedly provided with curbs, and locking sliding frames 2 are clamped on the curbs. At this time, the locking carriage 2 is caught above the curb and on three sides.

A fixed block 9 for advancing is fixedly installed on the side surface of the locking sliding frame 2, an advancing motor 10 is fixedly installed on the outer surface of the fixed block 9 for advancing, a driving gear 15 is fixed on an output shaft of the advancing motor 10, an advancing fixed plate 11 positioned above the driving gear 15 is fixedly installed on the side surface of the locking sliding frame 2, a fixed shaft 12 is fixed on the advancing fixed plate 11, a advancing wheel 13 positioned below the advancing fixed plate 11 is movably sleeved outside the fixed shaft 12, the advancing wheel 13 is in contact with the side wall of the road edge of the box girder flat plate 1, and an advancing gear 14 is coaxially and fixedly installed at the bottom of the fixed. Wherein, the upper and lower both ends of advancing gear 14 are all fixed mounting to have the advancing wheel 13, and the diameter of advancing gear 14 is less than the diameter of advancing wheel 13, and the outer edge of advancing gear 14 and drive gear 15 intermeshing, advance fixed plate 11 and lie in the upper and lower both sides symmetrical arrangement of advancing wheel 13.

The motor 10 of marcing drives drive gear 15 and rotates, thereby it rotates to drive the gear 14 of marcing, and then it advances along the curb side to drive the wheel 13 of marcing, at this moment, the driven gyro wheel 18 of the dull and stereotyped 1 laminating of locking carriage 2 inside and case roof beam rotates, drive locking carriage 2 moving as a whole, the portability of device has been realized, compare with fixed metal railing in the past, the work efficiency has been improved, and the operation is simpler, the inboard fixed mounting at locking carriage 2 top has two support frames 17, and two support frames 17 have cup jointed driven gyro wheel 18 through the fixed pin activity. The number of the driven rollers 18 is six, and the six driven rollers 18 are uniformly distributed on the inner side of the top of the locking sliding frame 2. The inner side surface of the locking sliding frame 2 far away from the fixed block 9 (the inner side of the bridge in fig. 2) and the inner side extending to the bottom of the box girder flat plate 1 (the surface of the bridge in fig. 3) are movably sleeved with driven rollers 18 through supporting frames 17, and the outer circles of the driven rollers 18 are attached to the road edge.

Referring to fig. 4, when constructing on the box girder slab 1 without curbs, the locking carriages 2 are caught on three sides of the upper and lower sides and the side edges of the edge of the box girder slab 1, and the locking carriages 2 positioned on the left and right sides of the box girder slab 1 are connected by a locking mechanism, such as a wire rope, which detachably connects two opposite locking carriages 2. Thus ensuring a secure fixation. When the device is moved, the steel cable is firstly disassembled to avoid the blocking of the reserved steel bars on the road edge of the box girder flat plate 1, and then the device is moved.

Further, in order to better stabilize the locking sliding rack 2 on the box girder slab 1 when the box girder slab 1 without curbs is constructed, the locking mechanism disclosed by the invention comprises a connecting plate 20 which is positioned on the upper surface of the box girder slab 1 and extends along the outer end of the locking sliding rack 2, a rolling cone-shaped wheel 30 which is used for pressing the upper surface of the box girder slab 1 is detachably connected on the connecting plate, and the rolling cone-shaped wheel 30 is positioned on the surface of the box girder slab 1 in a state that the outer end is large and the inner end is small, as shown in fig. 4. The detachable connection is, for example, in fig. 4, by bolting the roller cone 30 and its support to the connecting plate 20 obliquely downward to the outside of the bridge, so that the further the bolts are screwed downward, the stronger the pressure of the roller cone 30 against the ground. And when the movable wheel is moved, the side edge of the rolling cone-shaped wheel 30 is completely attached to the upper surface of the box girder flat plate 1, so that the rolling cone-shaped wheel 30 can naturally deflect towards the inner side of the bridge as long as the rolling cone-shaped wheel rotates, and the function of automatically locking the locking sliding frame 2 on the box girder flat plate 1 is achieved. Of course, both the wire rope and the roller cone 30 may be used, or either may be used.

Further, the locking sliding frame 2 is connected with a fixed frame 16, and a metal guardrail net is connected on the fixed frame 16. Locking carriage 2 walks to the front and back end about the bridge of mount 16 symmetric distribution in mount 16, just mount 16 and locking carriage 2 symmetric distribution in the left and right sides of case roof beam flat board 1, when locking carriage 2 removed, driven roller 18 closely laminated with the inside three sides of locking carriage 2, had reduced the device and had rocked the space, had guaranteed the stability of locking carriage 2 overall installation, and driven roller 18 becomes rolling friction with sliding friction simultaneously, has reduced frictional force, has reduced the energy consumption, has practiced thrift the cost. Meanwhile, the whole moving speed of the locking sliding frame 2 is higher when the driven roller 18 is driven, the construction period is shortened, and the efficiency is improved.

Example 2

The invention discloses a bridge protection frame overturning device, which is used for overturning a fixed frame 16 when a bridge floor needs large-scale equipment for construction. The difference from example 1 is: locking 2 side upper portions of carriage fixed mounting have upset fixed plate 3, and the top fixed mounting of upset fixed plate 3 has upset motor 4, and fixed the cup jointing has upset gear 5 on the output shaft of upset motor 4, and locking 2's top fixed mounting has fixed block 6, and the middle part activity of fixed block 6 has cup jointed trip shaft 8, and trip shaft 8 is fixed with mount 16. Wherein, follow driving wheel 7 and be located the right side of upset gear 5, and follow the outer edge of

driving wheel

7 and 5 intermeshing of upset gear, follow driving wheel 7 and be located the right side of fixed block 6, fixed block 6 quantity is two, and two fixed block 6 mirror image distribution in the front and back both sides of mount 16, and trip shaft 8 runs through to the middle part of the left fixed block 6 of mount 16.

The fixing frame 16 is in an inverted L shape, the fixing frames 16 are installed on the road edges at two sides, the tops of the fixing frames 16 at two sides are opposite, and a sunshade net can be covered on the fixing frames. The metal guardrail net of the two side fixing frames 16 effectively avoids the high-altitude falling of people and objects, guarantees the safety of workers, reduces property loss, effectively reduces the influence caused by sun exposure and rain exposure by the waterproof sunshade cloth at the top of the fixing frames 16, and further ensures the safety of the workers. When the bridge floor needs to work on large-scale equipment, the overturning motor 4 drives the overturning gear 5 to rotate, so that the overturning shaft 8 is driven to rotate through the driven wheel 7, and then the L-shaped fixing frames 16 on the two sides are opened outwards to provide a working space for the large-scale equipment. In addition, metal guardrail net is the horizontality when L shape mount 16 outwards opens, prevents the emergence of the accident of falling, and waterproof puggaree is vertical state simultaneously, further protects the staff, reduces sheltering from the curbstone simultaneously, makes things convenient for further construction on the curbstone.

When the safety protection device for high-altitude construction of the bridge is used, whether each structure is intact or not is checked, after the structure is correct, the advancing motor 10 is started, the advancing motor 10 drives the driving gear 15 to rotate, so that the advancing gear 14 is driven to rotate, and further the advancing wheel 13 is driven to advance along the side surface of the road edge, at the moment, the driven roller 18 which is attached to the box girder flat plate 1 in the locking sliding frame 2 rotates to drive the locking sliding frame 2 to integrally move, when the safety protection device is moved to a construction position, the motor is closed, the metal guardrail nets of the fixing frames 16 at two sides effectively avoid the condition of high-altitude falling, people damage and object damage, the safety of workers is ensured, meanwhile, the waterproof sunshade cloth at the top of the fixing frame 16 effectively reduces the influence caused by sun and rain, the safety of the workers is further ensured, when the bridge floor needs to work by large-scale equipment, the overturning motor 4 drives the overturning gear 5 to, then open both sides L shape mount 16 to the outside, provide working space for the main equipment, in addition, metal guardrail net is the horizontality when L shape mount 16 outwards opens, prevent the emergence of the accident of falling, waterproof puggaree is vertical state simultaneously, further protect the staff, after the main equipment construction finishes, drive upset gear 5 through upset motor 4 and rotate, and then drive trip shaft 8 through following driving wheel 7 and rotate, make mount 16 reply to initial condition, can.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a bridge protection frame locking device, includes that box girder is dull and stereotyped (1) and symmetrical joint at the locking carriage (2) at box girder is dull and stereotyped (1) edge, its characterized in that: every can dismantle at the top of locking carriage (2) and be fixed with mount (16), every all be provided with locking mechanism on locking carriage (2), locking mechanism is including being located flat board (1) upper surface department of case roof beam, along connecting plate (20) that locking carriage (2) outer end stretches out, can dismantle on connecting plate (20) and be connected with the surface and compress tightly but case roof beam flat board (1) upper surface roll cone pulley (30), but roll cone pulley (30) are in flat board (1) surface of case roof beam for the state that the outer end is big, the inner is little, but the side of roll cone pulley (30) and the upper surface laminating of the flat board (1) of case roof beam.

2. The locking device for the bridge protection frame according to claim 1, wherein: the locking mechanisms are arranged on two symmetrical locking sliding frames (2).

3. The utility model provides a bridge protection frame turning device, includes that box girder is dull and stereotyped (1) and symmetrical joint at the locking carriage (2) at box girder is dull and stereotyped (1) edge, its characterized in that: a fixed frame (16) is detachably fixed at the top of each locking sliding frame (2), an overturning fixed plate (3) is fixedly installed at the upper part of the side surface of each locking sliding frame (2), an overturning motor (4) is fixedly installed at the top of each overturning fixed plate (3), each overturning fixed plate (3) is arranged at one side close to the locking mechanism, and an output shaft of each overturning motor (4) is fixedly sleeved with an overturning gear (5);

the top fixed mounting of locking carriage (2) has fixed block (6), and the middle part activity of fixed block (6) has cup jointed trip shaft (8), trip shaft (8) with mount (16) are fixed, trip shaft (8) end fixing has from driving wheel (7), and from the outer edge and turning gear (5) intermeshing of driving wheel (7).

4. The bridge protection frame turnover device of claim 3, wherein: the locking sliding frames (2) are symmetrically arranged at the front end and the rear end of each fixing frame (16), and the locking sliding frames (2) and the fixing frames (16) located on the two sides of the box girder slab (1) are symmetrically arranged respectively.

5. The bridge protection frame turnover device of claim 3, wherein: the fixed blocks (6) are distributed at the front end and the rear end of each fixed frame (16) in a mirror image mode, and the turnover shaft (8) penetrates through the fixed frame (16) from one fixed block (6) to the other fixed block (6) and is rotatably connected with the two fixed blocks (6).

6. The bridge protection frame turnover device of claim 3, wherein: the driven wheels (7) are fixed on one end of the turnover shaft (8), and the driven wheels (7) located on two sides of the box girder flat plate (1) are symmetrically arranged.

7. The bridge protection frame turnover device of claim 3, wherein: the guardrail net is fixed on the fixing frame (16), the fixing frame (16) is in an inverted L shape, the tops of the inverted L-shaped fixing frames (16) are arranged in opposite directions, and waterproof sunshade cloth covers the inverted L-shaped fixing frames.

8. The bridge protection frame turnover device of claim 3, wherein: locking carriage (2) and box girder are equal fixed mounting have two support frames (17), two on the corresponding side of flat board (1) of box girder there is driven gyro wheel (18), every through the fixed pin connection between support frame (17 driven gyro wheel (18) all with the laminating of the surface of flat board (1) of box girder.

9. The bridge protection frame turnover device of claim 8, wherein: the driven rollers (18) are uniformly distributed on the corresponding side surfaces of the locking sliding frame (2) and the box girder flat plate (1).