CN219547533U - Detachable steel structure overpass - Google Patents

Abstract

The utility model relates to a removable steel structure overpass, comprising: the two ends of the inclined web members are connected with connectors; a plurality of stop gear, stop gear includes: the telescopic structure comprises a sleeve and a telescopic column, the sleeve is positioned on the upper chord plate and the lower chord plate, the telescopic column stretches in the sleeve, and the telescopic column enters the connector; the plug block is connected to the vertical web member in a sliding manner, the plug block penetrates through the vertical web member to enter the connector, and when the plug block penetrates through the telescopic column, the telescopic column is limited to move in the sleeve.

Description

Detachable steel structure overpass

Technical Field

The utility model relates to the technical field of steel structure overpasses, in particular to a detachable steel structure overpass.

Background

The pedestrian overpass is an overpass arranged at an intersection or a busy road and used for pedestrians to pass through, the steel structure overpass is an overpass which is formed by connecting steel structure members at construction sites after processing the steel structure members in a factory, and the overpass formed by the steel structure members has the advantages of stronger strength, short construction period, low manufacturing cost, recoverability and the like compared with the overpass formed by the traditional reinforced concrete.

Compared with the overpass built by the traditional reinforced concrete, the overpass built by the steel structural members has the same defects, and the steel structural members are exposed in the air for a long time and are windy and rainy, so that the steel structural members for constructing the bridge main body are corroded and rusted, and the steel structural members are required to be maintained and replaced in order to ensure the safety of the overpass.

In the prior art, a load-bearing structure which is commonly used for a steel structure overpass is a diagonal web truss, the truss is composed of an upper chord member, a lower chord member, a vertical web member and a diagonal web member, the upper chord member, the lower chord member and the diagonal web member are respectively connected with the upper chord member, the lower chord member and the vertical web member by welding or bolts, if the diagonal web member needs to be replaced, workers need to cut a welding position or unscrew a reinforcing bolt when the diagonal web member is detached, then replaced by welding or screwing the bolts, the disassembly and the installation of the welding are certainly a very time-consuming process, if the diagonal web member is connected by the bolts, the bolts need to be screwed down in order to ensure that the bolts cannot fall off, the process of screwing down the bolts also needs to use the atmosphere, and the process of replacing the steel structure is certainly time-consuming and labor-consuming, and the replacement of the steel structure cannot be completed simply and quickly.

In order to solve the problems, a detachable steel structure overpass is designed.

Disclosure of Invention

The embodiment of the utility model provides a detachable steel structure overpass, which aims to solve the problem that a diagonal web member truss is inconvenient to replace in the related art.

In a first aspect, a removable steel structure overpass is provided, comprising:

the two ends of the inclined web members are connected with connectors;

the utility model provides a plurality of stop gear, stop gear is used for last chord plate, lower chord plate and the connection of connector to and be used for erecting the web member and be connected with the connector, stop gear includes:

-a telescopic structure comprising a sleeve on the upper or lower chord and a telescopic column which is telescopic within the sleeve and into the connector;

-a plug which is slidingly connected to the vertical web member, which passes through the vertical web member into the connector and which restricts the telescopic column from moving in the sleeve when the plug passes through the telescopic column.

In some embodiments, the upper chord plate and the lower chord plate are provided with a plurality of telescopic holes;

the convex blocks arranged on the side surfaces of the telescopic columns are connected in the grooves arranged on the side surfaces of the telescopic holes in a sliding manner so as to limit the rotation of the telescopic columns;

the sleeve is rotatably connected to the upper chord plate or the lower chord plate, and the sleeve is in threaded connection with the telescopic column.

In some embodiments, the telescoping structure further comprises a first gear, a second gear, and a rotating post;

the first gear is connected with the sleeve, the first gear is meshed with the second gear, and the rotary column is connected with the second gear.

In some embodiments, the limiting mechanism further comprises a chute and a slider;

the sliding groove is positioned on the vertical web member, the sliding block is slidably connected in the sliding groove, and the sliding block is connected with the insertion block.

In some embodiments, the spacing mechanism further comprises a first spring;

the first spring is connected with the sliding block and the side wall of the sliding groove.

In some embodiments, the limiting mechanism further comprises a fixed rod, a fixed slot, and a second spring;

the fixed rod is connected in the sliding block in a sliding mode, the fixed groove is formed in the upper chord plate or the lower chord plate, and the second spring is connected with the fixed rod and the sliding block, so that the fixed rod can be conveniently inserted into the fixed groove.

The embodiment of the utility model provides a detachable steel structure overpass, because the detachable steel structure overpass enters a connector through a telescopic column, an insert block is inserted into the connector and is inserted on the telescopic column, the connector is respectively connected with an upper chord plate, a lower chord plate and a vertical web member, and the whole disassembly and assembly can be finished by only respectively pulling the telescopic column and the insert block out of the connector, therefore, compared with a disassembly and assembly mode of welding or bolting, the disassembly and assembly of the connection mode of the utility model is definitely more convenient and quicker.

Drawings

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

FIG. 1 is a schematic diagram of a structure provided in an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a structure according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a connector structure according to an embodiment of the present utility model;

fig. 4 is an enlarged view of the structure at a in fig. 3.

FIG. 5 is a cross-sectional view of an insert structure according to an embodiment of the present utility model;

fig. 6 is an enlarged view of the structure at B in fig. 5.

In the figure: 1. a diagonal web member; 2. a connector; 3. an upper chord plate; 4. a lower chord plate; 5. vertical web members; 6. a telescopic structure; 61. a sleeve; 62. a telescopic column; 63. a first gear; 64. a second gear; 65. a spin column; 7. inserting blocks; 8. a telescopic hole; 9. a chute; 10. a slide block; 11. a first spring; 12. a fixed rod; 13. a fixing groove; 14. and a second spring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model provides a detachable steel structure overpass, which can solve the problem that a diagonal web member truss is inconvenient to replace in the related art.

Referring to fig. 1 to 6, a removable steel overpass, comprising: a plurality of diagonal members 1 and a plurality of stop gear, the both ends of diagonal member 1 are connected with connector 2, stop gear is used for the connection of top chord 3, bottom chord 4 and connector 2 to and be used for erecting the web member 5 and be connected with connector 2, stop gear includes: a telescopic structure 6 and an insert 7, wherein the telescopic structure 6 comprises a sleeve 61 and a telescopic column 62, the sleeve 61 is positioned on the upper chord plate 3 or the lower chord plate 4, the telescopic column 62 stretches in the sleeve 61, the telescopic column 62 enters the connector 2, the insert 7 is slidably connected on the vertical web member 5, the insert 7 passes through the vertical web member 5 and enters the connector 2, and when the insert 7 passes through the telescopic column 62, the telescopic column 62 is limited to move in the sleeve 61;

in the implementation process, during installation, the connector 2 is required to be firstly arranged at the included angle between the vertical web member 5 and the upper chord plate 3 or the lower chord plate 4, then the telescopic column 62 extends out of the sleeve 61, the telescopic column 62 is directly inserted into the connector 2, then the insertion block 7 penetrates through the vertical web member 5 from the side surface and is inserted into the connector 2, at the moment, the insertion block 7 penetrates through the telescopic column 62 to form a cross shape, and the two parts lock the connector 2 at the position to complete the fixation of the inclined web member 1;

when the connector is detached, the plug 7 is pulled out of the connector 2, the plug 7 is separated from the telescopic column 62, and then the telescopic column 62 is pulled out of the connector 2, so that the connector 2 is not limited, and the detachment is completed.

Specifically, in this embodiment, the upper chord plate 3 and the lower chord plate 4 are provided with a plurality of expansion holes 8, the protrusions provided on the sides of the expansion posts 62 are slidably connected in the grooves provided on the sides of the expansion holes 8, so as to limit the expansion posts 62 from rotating, the sleeve 61 is rotatably connected to the upper chord plate 3 or the lower chord plate 4, and the sleeve 61 is in threaded connection with the expansion posts 62;

utilize lug sliding connection that flexible post 62 side was equipped with is in the recess that flexible hole 8 side was equipped with, and the flexible post 62 of restriction is rotatory under the circumstances that realizes flexible post 62 and flexible hole 8 sliding fit, and then can drive flexible post 62 through rotatory sleeve 61 and stretch out and draw back from top to bottom.

More specifically, in the present embodiment, the telescopic structure 6 further includes a first gear 63, a second gear 64, and a rotating post 65, the first gear 63 is connected to the sleeve 61, the first gear 63 is meshed with the second gear 64, and the rotating post 65 is connected to the second gear 64;

the second gear 64 and the rotating column 65 are located outside the overpass, and the rotating column 65 is rotated to drive the second gear 64 to rotate, so that the second gear 64 drives the first gear 63 to rotate, and the first gear 63 rotates to rotate the sleeve 61;

it should be noted that the first gear 63 and the second gear 64 are two large gears and one small gear, and the smaller gear is driven to drive the larger gear, so that the sleeve 61 can be driven to rotate with less effort.

Further, in this embodiment, the limiting mechanism further includes a sliding groove 9 and a sliding block 10, where the sliding groove 9 is located on the vertical web member 5, the sliding block 10 is slidably connected in the sliding groove 9, and the sliding block 10 is connected with the insert block 7;

the sliding groove 9 is a convex groove, the sliding block 10 is hung in the sliding groove 9, and the sliding block 10 is slidably connected in the sliding groove 9, so that the sliding block 10 drives the inserting block 7 to move along the direction of the sliding groove 9.

Further, in this embodiment, the limiting mechanism further includes a first spring 11, where the first spring 11 is connected to the slider 10 and the side wall of the chute 9;

by using the first spring 11, the initial position of the insert 7 is outside the connector 2, when the sliding block 10 is pushed to move, the insert 7 moves towards the connector 2, at this time, the first spring 11 stretches, when the sliding block 10 is not pushed, the first spring 11 pulls out the insert 7 backwards, and a worker can conveniently and rapidly pull out the insert 7 when disassembling.

Preferably, in this embodiment, the limiting mechanism further includes a fixing rod 12, a fixing slot 13, and a second spring 14, where the fixing rod 12 is slidably connected in the slider 10, the fixing slot 13 is located on the upper chord plate 3 or the lower chord plate 4, and the second spring 14 connects the fixing rod 12 with the slider 10, so as to facilitate the fixing rod 12 to be inserted into the fixing slot 13;

the elasticity of the second spring 14 pushes the fixing rod 12 upwards into the fixing groove 13, the fixing rod 12 is inserted into the fixing groove 13 to fix the position of the sliding block 10, so that the position of the inserting block 7 is fixed, and the connector 2 is locked in position;

when the fixing rod 12 is required to be detached, the fixing groove 13 is pulled out, so that the first spring 11 drives the insert 7 to pull out the connector 2 backwards, and at the moment, the telescopic column 62 is pulled out of the connector 2 by rotating the rotating column 65.

The working principle of the utility model is as follows:

in the implementation process, during installation, the connector 2 is required to be arranged at the included angle between the vertical web member 5 and the upper chord plate 3 or the lower chord plate 4, then the telescopic column 62 extends out of the sleeve 61 by rotating the rotating column 65, the telescopic column 62 is directly inserted into the connector 2, then the sliding block 10 is moved to drive the inserting block 7 to penetrate through the vertical web member 5 from the side surface to be inserted into the connector 2, at the moment, the inserting block 7 penetrates through the telescopic column 62, then the second spring 14 pushes the fixed rod 12 upwards into the fixed groove 13 to fix the position of the sliding block 10, at the moment, the telescopic column 62 cannot be pulled out, the two form a cross shape, and the connector 2 is locked at the position to finish the fixation of the inclined web member 1;

during disassembly, the fixing rod 12 is pulled out of the fixing groove 13, the first spring 11 automatically drives the insert 7 to pull out the connector 2 backwards, the insert 7 is separated from the telescopic column 62, the telescopic column 62 is driven to be pulled out of the connector 2 by rotating the rotary column 65, and at the moment, the connector 2 is not limited, so that the disassembly is completed.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that in the present utility model, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the 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 (6)

1. A removable steel structure overpass, comprising:

the two ends of the inclined web members (1) are connected with connectors (2);

a plurality of stop gear, stop gear is used for last chord plate (3), be connected of lower chord plate (4) and connector (2) to and be used for erecting being connected of web member (5) and connector (2), stop gear includes:

-a telescopic structure (6), the telescopic structure (6) comprising a sleeve (61) and a telescopic column (62), the sleeve (61) being located on the upper chord (3) or the lower chord (4), the telescopic column (62) telescoping within the sleeve (61) and the telescopic column (62) entering into the connector (2);

-an insert (7), said insert (7) being slidingly connected to the vertical web (5), said insert (7) passing through the vertical web (5) into the connector (2) and limiting the movement of the telescopic column (62) at the sleeve (61) when the insert (7) passes through the telescopic column (62).

2. A removable steel structure overpass as recited in claim 1, wherein:

the upper chord plate (3) and the lower chord plate (4) are provided with a plurality of telescopic holes (8);

the convex blocks arranged on the side surfaces of the telescopic columns (62) are connected in the grooves arranged on the side surfaces of the telescopic holes (8) in a sliding mode so as to limit the rotation of the telescopic columns (62);

the sleeve (61) is rotatably connected to the upper chord plate (3) or the lower chord plate (4), and the sleeve (61) is in threaded connection with the telescopic column (62).

3. A removable steel structure overpass as recited in claim 2, wherein:

the telescopic structure (6) further comprises a first gear (63), a second gear (64) and a rotary column (65);

the first gear (63) is connected with the sleeve (61), the first gear (63) is meshed with the second gear (64), and the rotary column (65) is connected with the second gear (64).

4. A removable steel structure overpass as recited in claim 1, wherein:

the limiting mechanism also comprises a sliding groove (9) and a sliding block (10);

the sliding chute (9) is positioned on the vertical web member (5), the sliding block (10) is slidably connected in the sliding chute (9), and the sliding block (10) is connected with the inserting block (7).

5. A removable steel structure overpass as recited in claim 4, wherein:

the limiting mechanism further comprises a first spring (11);

the first spring (11) is connected with the sliding block (10) and the side wall of the sliding groove (9).

6. A removable steel structure overpass as recited in claim 5, wherein:

the limiting mechanism further comprises a fixed rod (12), a fixed groove (13) and a second spring (14);

the fixing rod (12) is slidably connected in the sliding block (10), the fixing groove (13) is positioned on the upper chord plate (3) or the lower chord plate (4), and the second spring (14) is connected with the fixing rod (12) and the sliding block (10) so as to facilitate the fixing rod (12) to be inserted into the fixing groove (13).