CN215758557U

CN215758557U - Cast-in-place box girder roof board horizontal prestressing steel beam stretch-draw moving platform

Info

Publication number: CN215758557U
Application number: CN202122123397.1U
Authority: CN
Inventors: 王晋辉; 杜长生; 姜信贺
Original assignee: China Railway Construction Bridge Engineering Bureau Group Co Ltd; Fifth Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd
Current assignee: China Railway Construction Bridge Engineering Bureau Group Co Ltd; Fifth Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-08
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a cast-in-place box girder top plate transverse prestress steel beam tensioning mobile platform which comprises a main truss, wherein an upper cross beam and a lower cross beam are sequentially arranged on one side of the main truss from top to bottom; the top of the upper cross beam is provided with a support, the inner side of the support is fixedly connected with a counterweight bucket, and the bottom side of the counterweight bucket is hinged with a bottom plate; the bottom of entablature is provided with the support frame, the walking wheel is installed to the bottom of support frame, and homonymy walking wheel department is provided with locking mechanism. According to the utility model, the bottom plate is hinged at the bottom of the counterweight bucket, so that counterweight objects can be rapidly led out, and the counterweight bucket is convenient to transport; through the linear motion of the first connecting rod of telescopic link drive along the direction of inclination of fixed plate, conveniently push first connecting rod to the walking wheel, and then stretch into the cowl at first connecting rod both ends one side of walking wheel, and then stop the swift current of walking wheel and move, have better practicality.

Description

Cast-in-place box girder roof board horizontal prestressing steel beam stretch-draw moving platform

Technical Field

The utility model belongs to the technical field of box girder moving platforms, and particularly relates to a cast-in-place box girder top plate transverse prestress steel beam tensioning moving platform.

Background

The box girder is divided into a prefabricated box girder and a cast-in-place box girder. The box girder prefabricated in the independent site can be erected after the lower project is finished by combining the bridge girder erection machine, so that the project progress can be accelerated, and the construction period can be saved; cast-in-place box girders are mostly used for large continuous bridges. The common materials are divided into two types, namely a prestressed reinforced concrete box girder and a steel box girder. The prestressed reinforced concrete box girder is constructed on site, and transverse prestress is also arranged in some cases besides longitudinal prestress; the steel box girder is generally processed in a factory and then transported to a site for installation, and has an all-steel structure and a partially reinforced concrete pavement layer.

At present, cast-in-place box girder roof transverse prestress steel strand stretch-draw moving platform structure is complicated, the dismouting is difficult, set up the time longer, need use the material that a large amount can only set up simultaneously, lead to the part to lose easily or damage, current cast-in-place box girder roof transverse prestress steel strand stretch-draw moving platform has increased the balancing weight for preventing toppling, but the balancing weight material is overweight, be difficult to transport it to required destination, and the loading and unloading is also comparatively troublesome, lead to setting up the time overlength, influence the progress. And the walking wheels used by the existing cast-in-place box girder top plate transverse prestress steel beam tensioning moving platform have the phenomenon of sliding, so that safe and reliable parking cannot be realized, and certain potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cast-in-place box girder top plate transverse prestress steel beam tensioning mobile platform and aims to solve the problems.

The utility model is mainly realized by the following technical scheme:

the cast-in-place box girder top plate transverse prestress steel beam tensioning mobile platform comprises a main truss, wherein an upper cross beam and a lower cross beam are sequentially arranged on one side of the main truss from top to bottom; the top of the upper cross beam is provided with a support, the inner side of the support is fixedly connected with a counterweight bucket, and the bottom side of the counterweight bucket is hinged with a bottom plate; the bottom of the upper cross beam is provided with a support frame, walking wheels are mounted at the bottom of the support frame, a locking mechanism is arranged at the walking wheels on the same side, the locking mechanism comprises a fixed plate, a first connecting rod, a second connecting rod, an arc-shaped baffle plate and a telescopic rod, the fixed plate is arranged between the adjacent walking wheels on the same side, the first connecting rod penetrates through the fixed plate in a sliding mode, the telescopic rod is arranged on one side of the first connecting rod, and the telescopic rod drives the first connecting rod to slide linearly on the fixed plate; two ends of the first connecting rod are respectively and vertically provided with a second connecting rod, and one side of the second connecting rod, which is close to the travelling wheel, is provided with an arc-shaped baffle; the telescopic rod is arranged at the inner bottom of the support frame through the mounting plate.

When the counterweight device is used, counterweight objects can be quickly led out by opening the bottom plate, and the counterweight materials can be sand, stone and the like, so that the counterweight device has the advantages of flexible counterweight and convenience in transportation. Through the linear motion of the first connecting rod of telescopic link drive along the direction of inclination of fixed plate, conveniently push first connecting rod to the walking wheel, and then stretch into the cowl at first connecting rod both ends one side of walking wheel, and then stop the swift current of walking wheel and move, have better practicality.

In order to better implement the utility model, an inclined stroke groove is further formed in the fixed plate, and the first connecting rod is slidably connected with the stroke groove.

In order to better realize the utility model, a first channel steel and a second channel steel are sequentially arranged on one side of the main truss from top to bottom, and the main truss is respectively connected with an upper cross beam and a lower cross beam through the first channel steel and the second channel steel.

In order to better implement the utility model, further, the upper cross beam and the lower cross beam are respectively connected with one side of the main truss through a first pull rod and a second pull rod.

In order to better implement the utility model, further, a guardrail is installed on the top side of the lower cross beam and has a protection function, and the outer surface of the guardrail is coated with a warning sign.

In order to better realize the utility model, the counterweight bucket is connected with the bottom plate through a stainless steel hinge, and a lock catch is arranged between the counterweight bucket and the bottom plate, so that the bottom plate is convenient to open.

In the using process, the upper cross beam and the lower cross beam are arranged on one side of the main truss through the first channel steel and the second channel steel, and then the connection position of the upper cross beam and the lower cross beam is fixed through the second bolt; then, fixedly mounting the first pull rod and the second pull rod through a first bolt; then increase gravel and sand towards the inboard of counter weight fill and carry out the counter weight, will wholly remove appointed place through the walking wheel, then start the telescopic link, the telescopic link promotes first connecting rod and removes along the stroke groove, and first connecting rod drives the second connecting rod and removes, and until cowl removes the oblique bottom side of walking wheel, cowl will walk the wheel card and die, avoid the swift current car. After the platform is used and completed, the bottom plate is opened through the lock catch, the sand and stones on the inner side of the counterweight bucket are cleaned, the transportation is convenient, and the platform has better practicability.

The utility model has the beneficial effects that:

(1) according to the utility model, the bottom plate is hinged at the bottom of the counterweight bucket, so that counterweight objects can be rapidly led out, and the counterweight bucket is convenient to transport; the first connecting rod is driven to linearly move along the inclined direction of the fixing plate through the telescopic rod, so that the first connecting rod is conveniently pushed to the travelling wheels, the arc-shaped baffles at the two ends of the first connecting rod extend into one side of the travelling wheels, the travelling wheels are prevented from sliding, and the telescopic device has better practicability;

(2) the counterweight block is replaced by the counterweight hopper, the counterweight material can be sand, and other materials, and counterweight objects can be quickly led out by opening the bottom plate, so that the counterweight device has the advantages of flexible counterweight and convenience in transportation.

Drawings

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

FIG. 2 is a schematic structural view of a main truss;

FIG. 3 is a schematic structural view of the counterweight bucket;

FIG. 4 is a schematic view of the connection structure of the fixing plate and the first link;

fig. 5 is a schematic view of a connection structure of the first connecting rod and the arc-shaped baffle.

Wherein: 1. a main truss; 2. a traveling wheel; 3. a first channel steel; 4. a first connection block; 5. a first bolt; 6. a first pull rod; 7. a second connecting block; 8. a support frame; 9. an upper cross beam; 10. a counterweight bucket; 11. a lower cross beam; 12. a guardrail; 13. a fourth connecting block; 14. a second pull rod; 15. a second bolt; 16. a second channel steel; 17. a third connecting block; 18. a support; 19. a base plate; 20. locking; 21. a fixing plate; 22. a telescopic rod; 23. mounting a plate; 24. a first link; 25. a stroke slot; 26. a second link; 28. an arc baffle.

Detailed Description

The embodiments of the present invention will be further described with reference to the accompanying drawings.

Example 1:

a cast-in-place box girder top plate transverse prestress steel beam tensioning mobile platform is shown in figures 1-5 and comprises a main truss 1, wherein an upper cross beam 9 and a lower cross beam 11 are sequentially arranged on one side of the main truss 1 from top to bottom; a support 18 is arranged at the top of the upper cross beam 9, a counterweight bucket 10 is fixedly connected to the inner side of the support 18, and a bottom plate 19 is hinged to the bottom side of the counterweight bucket 10; the bottom of the upper cross beam 9 is provided with a support frame 8, the bottom of the support frame 8 is provided with traveling wheels 2, a locking mechanism is arranged at the traveling wheels 2 on the same side, the locking mechanism comprises a fixing plate 21, a first connecting rod 24, a second connecting rod 26, an arc-shaped baffle 28 and a telescopic rod 22, the fixing plate 21 is arranged between the adjacent traveling wheels 2 on the same side, the first connecting rod 24 penetrates through the fixing plate 21 in a sliding manner, the telescopic rod 22 is arranged on one side of the first connecting rod 24, and the telescopic rod 22 drives the first connecting rod 24 to slide on the fixing plate 21 in a straight line; two ends of the first connecting rod 24 are respectively and vertically provided with a second connecting rod 26, and one side of the second connecting rod 26 close to the travelling wheels 2 is provided with an arc-shaped baffle 28; the telescopic rod 22 is arranged at the inner bottom of the support frame 8 through a mounting plate 23.

When the counterweight device is used, counterweight objects can be quickly led out by opening the bottom plate 19, and the counterweight materials can be sand, stone and the like, so that the counterweight device has the advantages of flexible counterweight and convenience in transportation. Through the linear motion of telescopic link 22 drive first connecting rod 24 along the dead plate 21 along the incline direction, conveniently push first connecting rod 24 to walking wheel 2, and then stretch into one side of walking wheel 2 with the cowl 28 at first connecting rod 24 both ends, and then block the swift current of walking wheel 2 and move, have better practicality.

Example 2:

the embodiment is optimized based on embodiment 1, as shown in fig. 3, the counterweight bucket 10 is connected with the bottom plate 19 through a stainless steel hinge, and a lock catch 20 is arranged between the counterweight bucket 10 and the bottom plate 19, so that the bottom plate 19 can be opened conveniently.

Other parts of this embodiment are the same as embodiment 1, and thus are not described again.

Example 3:

the present embodiment is optimized based on

embodiment

1 or 2, as shown in fig. 4, an inclined stroke slot 25 is formed on the fixing plate 21, and the first link 24 is slidably connected to the stroke slot 25.

Further, as shown in fig. 2, a first channel steel 3 and a second channel steel 16 are sequentially arranged on one side of the main truss 1 from top to bottom, and the main truss 1 is connected with an upper cross beam 9 and a lower cross beam 11 through the first channel steel 3 and the second channel steel 16 respectively.

Further, as shown in fig. 1, the upper and

lower cross members

9 and 11 are connected to one side of the main truss 1 through first and

second tie rods

6 and 14, respectively.

Further, as shown in fig. 1, a guard rail 12 is installed on the top side of the lower cross member 11, and has a protective function, and the outer surface of the guard rail 12 is coated with a warning mark.

In the using process, an upper cross beam 9 and a lower cross beam 11 are arranged on one side of a main truss 1 through a first channel steel 3 and a second channel steel 16, and then the connection positions of the upper cross beam and the lower cross beam are fixed through a second bolt 15; then, the first pull rod 6 and the second pull rod 14 are fixedly installed through the first bolt 5; then increase gravel and sand to the inboard of counter weight fill 10 and carry out the counter weight, will wholly remove to the appointed place through walking wheel 2, then start telescopic link 22, telescopic link 22 promotes first connecting rod 24 and removes along stroke groove 25, and first connecting rod 24 drives second connecting rod 26 and removes, and until cowl 28 removes the oblique bottom side of walking wheel 2, cowl 28 will walk the card of wheel 2 and die, avoid the swift current car. After the platform is used, the bottom plate 19 is opened through the lock catch 20, sand and stones on the inner side of the counterweight bucket 10 are cleaned, transportation is facilitated, and the platform has good practicability.

The rest of this embodiment is the same as

embodiment

1 or 2, and therefore, the description thereof is omitted.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.

Claims

1. The cast-in-place box girder top plate transverse prestress steel beam tensioning mobile platform is characterized by comprising a main truss (1), wherein an upper cross beam (9) and a lower cross beam (11) are sequentially arranged on one side of the main truss (1) from top to bottom; a support (18) is arranged at the top of the upper cross beam (9), a counterweight bucket (10) is fixedly connected to the inner side of the support (18), and a bottom plate (19) is hinged to the bottom side of the counterweight bucket (10); the bottom of the upper cross beam (9) is provided with a support frame (8), walking wheels (2) are mounted at the bottom of the support frame (8), a locking mechanism is arranged at the walking wheels (2) on the same side, the locking mechanism comprises a fixing plate (21), a first connecting rod (24), a second connecting rod (26), an arc-shaped baffle plate (28) and a telescopic rod (22), the fixing plate (21) is arranged between the adjacent walking wheels (2) on the same side, the first connecting rod (24) penetrates through the fixing plate (21) in a sliding mode, the telescopic rod (22) is arranged on one side of the first connecting rod (24), and the telescopic rod (22) drives the first connecting rod (24) to slide linearly on the fixing plate (21); two ends of the first connecting rod (24) are respectively and vertically provided with a second connecting rod (26), and one side of the second connecting rod, which is close to the travelling wheel (2), is provided with an arc-shaped baffle plate (28); the telescopic rod (22) is arranged at the inner bottom of the support frame (8) through the mounting plate (23).

2. A cast-in-situ box girder roof plate transverse prestress steel beam tensioning mobile platform according to claim 1, characterized in that an inclined stroke groove (25) is formed on the fixing plate (21), and the first connecting rod (24) is slidably connected with the stroke groove (25).

3. A cast-in-place box girder roof plate transverse prestress steel beam tensioning mobile platform according to claim 1, characterized in that a first channel steel (3) and a second channel steel (16) are sequentially arranged on one side of the main truss (1) from top to bottom, and the main truss (1) is respectively connected with an upper cross beam (9) and a lower cross beam (11) through the first channel steel (3) and the second channel steel (16).

4. A cast-in-situ box girder roof plate transverse prestress steel beam tensioning mobile platform according to claim 3, characterized in that the upper cross beam (9) and the lower cross beam (11) are respectively connected with one side of a main truss (1) through a first pull rod (6) and a second pull rod (14).

5. A cast-in-place box girder roof plate transverse prestress steel beam tensioning mobile platform according to any one of claims 1-4, characterized in that a guardrail (12) is installed on the top side of the lower cross beam (11).

6. A cast-in-situ box girder roof plate transverse prestress steel beam tensioning mobile platform according to claim 1, characterized in that the counterweight bucket (10) is connected with the bottom plate (19) through a stainless steel hinge, and a lock catch (20) is arranged between the counterweight bucket (10) and the bottom plate (19).