CN211947886U

CN211947886U - Cao crossing gate bridge system

Info

Publication number: CN211947886U
Application number: CN202020212490.2U
Authority: CN
Inventors: 钱立新; 赵丽; 程抱冰; 赵启林; 苏小裕; 张彬; 黄志超; 钱嘉言
Original assignee: Jiangsu Ship Sea Defense Emergency Engineering Technology Research Institute Co ltd
Current assignee: Jiangsu Ship Sea Defense Emergency Engineering Technology Research Institute Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-11-17
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a door bridge system is crossed to slot belongs to bridge engineering technical field. The transporting door bridge system comprises a plurality of transporting door bridges arranged side by side, wherein each transporting door bridge comprises a transport vehicle, two half bridge sections and a floating force mechanism, and the two half bridge sections are respectively and fixedly connected to the two sides of the transport vehicle in a detachable mode; the buoyancy mechanism provides buoyancy for the transport vehicle and the half bridge section. And the transport vehicle is provided with a hoisting mechanism for hoisting the half bridge section. The utility model provides a pair of door bridge system is crossed to slot, half-bridge festival detachably connects on the transport vechicle, it can directly pass to constitute door bridge is crossed to slot to can satisfy will when the march the transport along with the march is dismantled to the half-bridge festival, has reduced the march and has born a burden, has avoided the on-the-spot construction to receive the restriction of time and environment.

Description

Cao crossing gate bridge system

Technical Field

The utility model relates to a bridge engineering technical field, in particular to slot crossing gate bridge system.

Background

When army marches in the field, the army often encounters obstacles such as lakes and the like, is limited by military conditions and construction conditions, and has great difficulty in field construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door bridge system is crossed to slot to solve the army when the open-air march, often can meet obstacles such as lake, receive army's feelings and construction condition restriction, the problem that has the great degree of difficulty is built on the scene.

In order to solve the technical problem, the utility model provides a door bridge system is crossed to slot, cross the door bridge including the slot that a plurality of set up side by side, the door bridge is crossed to slot includes:

a transport vehicle;

the two half bridge sections are respectively detachably and fixedly connected to two sides of the transport vehicle;

and the buoyancy mechanism provides buoyancy for the transport vehicle and the half bridge section.

Optionally, half bridge section all includes well bridge section, end bridge section and folding mechanism, wherein, the one end of well bridge section with end bridge section is articulated, folding mechanism can with end bridge section is folding to be accomodate the bottom of well bridge section does benefit to and deposits and transports.

Optionally, the middle bridge section is of a right-angled trapezoid structure, the end bridge sections are of a triangular structure, and when the end bridge sections are in an unfolded state, the end bridge sections and the middle bridge section form a right-angled triangle structure; when the end bridge sections are folded, the end bridge sections and the middle bridge section form a rectangular structure.

Optionally, the middle bridge section comprises a middle bridge body and supporting pressing plates hinged to two sides of the middle bridge body, and first power mechanisms are arranged on two sides of the middle bridge body and used for unfolding and folding the supporting pressing plates.

Optionally, the buoyancy mechanism includes:

the air bags are arranged on two sides of the middle bridge body;

and the inflation mechanism is arranged inside the middle bridge body and is used as an air source of the air bag.

Optionally, the end bridge section includes an end bridge body and a widened portion connected to both sides of the end bridge body.

Optionally, the middle bridge body is of a box-type structure, and the folding mechanism includes:

the second power mechanism is hinged inside the middle bridge body through a supporting seat, and the supporting seat is fixedly arranged in the middle bridge body;

one end of the triangular swing plate is hinged with the second power mechanism, the other end of the triangular swing plate is hinged in the middle bridge body through a swing plate support, and the swing plate support is fixedly arranged in the middle bridge body;

and one end of the triangular swing plate, which is far away from the second power mechanism, is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the end bridge body through a connecting rod support, and the connecting rod support is fixedly arranged on the end bridge section.

Optionally, the bottom of the end bridge body is provided with a space truss structure, and the space truss structure includes:

the first long inclined rods are arranged on two sides of the bottom of the end bridge body and arranged along the length direction of the end bridge body;

the connecting rods are transversely connected between the two first long inclined rods;

and the pair of supporting rods is arranged along the length direction of the first long inclined rod, and two ends of each supporting rod are respectively fixedly connected with the end bridge body and the first long inclined rod.

Optionally, the space truss structure further includes:

the first short inclined rods in each pair are respectively arranged on two sides of the supporting rod, and two ends of each first short inclined rod are respectively fixedly connected with the first long inclined rod and the top end of the supporting rod to form a stable triangular connecting structure;

the second short inclined rods are arranged in the space truss structure, the bottom ends of the second short inclined rods of each pair are respectively and fixedly connected with the two ends of the connecting rod, and the top ends of the second short inclined rods are connected to the bottom of the end bridge body together; each pair of the second short diagonal rods and the connecting rods form a stable triangular connecting mechanism;

and the third short inclined rods are respectively and correspondingly arranged on the outer sides of the supporting rods, one ends of the third short inclined rods are fixedly connected with the bottom ends of the supporting rods, and the other ends of the third short inclined rods are fixedly connected with the bottoms of the end bridge bodies.

Optionally, a hoisting mechanism is rotatably arranged on the transport vehicle and used for hoisting the half bridge section.

The utility model provides a pair of door bridge system is crossed to slot has following beneficial effect:

(1) the transporting door bridge system comprises a plurality of transporting door bridges arranged side by side, wherein each transporting door bridge comprises a transport vehicle, two half bridge sections and a floating force mechanism, and the two half bridge sections are respectively and fixedly connected to the two sides of the transport vehicle in a detachable mode; the buoyancy mechanism provides buoyancy for the transport vehicle and the half bridge section; the half-bridge sections are detachably connected to the transport vehicle to form a trough crossing gate bridge which can be directly passed through, and the requirement that the half-bridge sections are detached to be transported along with the march in the march can be met, so that the march load is reduced, and the limitation of time and environment on site construction is avoided;

(2) one end of the middle bridge section is hinged with the end bridge section, and the folding mechanism can fold and store the end bridge section at the bottom of the middle bridge section, so that the storage and the transportation are facilitated;

(3) the bottom of end bridge body is equipped with space truss structure, has increased the steadiness of door bridge is crossed to the slot to can alleviate the dead weight of bridge body, alleviateed marching's transportation load.

Drawings

Fig. 1 is a schematic structural diagram of a transit gate bridge system according to the present invention;

FIG. 2 is a front view of a transit bridge;

FIG. 3 is a top view of a transit bridge;

FIG. 4 is a view of the transportation of the transporting bridge;

FIG. 5 is an elevation view of the end and middle bridge sections after folding;

FIG. 6 is a top view of the end and middle bridge sections after folding;

FIG. 7 is a left side view of the end and middle bridge sections after folding;

FIG. 8 is a state diagram of the folding mechanism with the end bridge sections unfolded;

FIG. 9 is a state diagram of the folding mechanism with the end bridge sections folded;

FIG. 10 is a schematic structural view of a mid-bridge section;

FIG. 11 is a schematic structural view of an end bridge section;

FIG. 12 is a schematic cross-sectional view A-A of FIG. 11;

FIG. 13 is a schematic cross-sectional view B-B of FIG. 11;

FIG. 14 is a schematic cross-sectional view C-C of FIG. 11;

fig. 15 is a schematic cross-sectional view taken along line D-D of fig. 11.

Detailed Description

A slot bridge system according to the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

Example one

The utility model provides a door bridge system is crossed to slot, its structure is shown in fig. 1-4. The door bridge comprises a plurality of parallel-arranged door bridges, wherein each door bridge comprises a transport vehicle 4, two half bridge sections and a buoyancy mechanism, wherein the two half bridge sections are respectively and fixedly connected to two sides of the transport vehicle 4 in a detachable mode; the buoyancy mechanism provides buoyancy for the transport vehicle and the half bridge section. And a hoisting mechanism 5 is rotatably arranged on the transport vehicle 4 and used for hoisting the half bridge section. Half-bridge festival detachably connects on the transport vechicle, it can directly pass to constitute the slot crossing gate bridge to can satisfy when the marching half-bridge festival is pulled down and is transported along with the marching, reduced the marching and born a burden, avoided on-the-spot to build and received the restriction of time and environment.

Specifically, referring to fig. 5 to 7, each of the half bridge sections includes a middle bridge section 1, an end bridge section 2 and a folding mechanism 3, wherein one end of the middle bridge section 1 is hinged to the end bridge section 2, and the folding mechanism 3 can fold and store the end bridge section 2 at the bottom of the middle bridge section 1, so as to facilitate storage and transportation. Preferably, the middle bridge section 1 is of a right-angled trapezoid structure, the end bridge section 2 is of a triangular structure, and the end bridge section 2 and the middle bridge section 1 form a right-angled triangle structure in the unfolded state; when the end bridge sections 2 are folded, the end bridge sections and the middle bridge section 1 form a rectangular structure; please refer to fig. 10 and 11.

With reference to fig. 3, the middle bridge section 1 includes a middle bridge body 10 and supporting pressing plates 11 hinged to two sides of the middle bridge body 10, and two sides of the middle bridge body 10 are respectively provided with a first power mechanism for unfolding and folding the supporting pressing plates 11. In the first embodiment, the first power mechanism is a hydraulic oil cylinder, the hydraulic oil cylinder is hinged to two sides of the middle bridge 10, and the top end of the telescopic rod of the hydraulic oil cylinder is hinged to the bottom of the supporting pressing plate 11. Preferably, the middle bridge body 10 is made of an aluminum alloy-composite material, wherein a deck of the middle bridge body 10 is made of an aluminum alloy lattice plate structure, and a bottom plate and a side plate are made of a composite material structure or an aluminum alloy orthotropic plate structure. Preferably, the supporting pressure plate 11 is a thin-walled high-strength steel plate beam structure.

The top and the bottom at middle pontic 10 both ends all are fixed and are equipped with first engaging lug 13, end pontic 20 is close to the top and the bottom of the one end of middle pontic 10 all are fixed and are equipped with second engaging lug 14, be used for two between the half bridge section and middle bridge section 1 with the connection dismantled between the end bridge section 2. And a plurality of first connecting support lugs 15 are fixedly arranged on both sides of the middle bridge body 10 and are used for being hinged with the supporting pressure plate 11. The both sides of transport vechicle 4 all are equipped with the third engaging lug (not shown in the figure), and utilize the round pin axle with first engaging lug 13 is connected, realize half bridge section with transport vechicle 4 can dismantle the connection.

The buoyancy mechanism comprises an air bag 16 and an inflation mechanism, wherein the air bag 16 is arranged on two sides of the middle bridge body 10; the inflation mechanism is arranged inside the middle bridge body 10 and serves as a gas source (not shown) for the gas bag 16. Preferably, the airbag 16 adopts a single-layer aramid fiber-polyurethane coating airbag structure, so that the use requirements of high bearing capacity, light weight and convenience in folding of the airbag 16 are met, and the wear resistance, puncture resistance and sinking resistance of the airbag 16 are improved. The airbag 16 adopts a 840B type high-strength polyester fabric-chlorosulfonated polyethylene coating airbag structure, and the airbag 16 consists of a bag body and bag heads at two ends, and is 4.3 meters long, 1.082 meters wide and 0.981 meter high. The support pressing plate 11 is turned and supported through the first power mechanism, and when the support pressing plate is unfolded, the support pressing plate is inflated and jacked up by means of the air bag 16, and when the support pressing plate is folded, the support pressing plate is pulled back through the first power mechanism, and the air bag 16 is folded and tightened.

The end bridge section 2 comprises an end bridge body 20 and a widening 21 connected on both sides of the end bridge body 20. A plurality of second connecting lugs 27 are fixedly arranged on both sides of the end bridge body 20 and are hinged to the widened portion 21 by pin shafts. Preferably, the end bridge section 2 is of a rut type symmetrical structure with a longitudinal section and a middle section as base planes, and the length, the width and the height of the rut type symmetrical structure are 5 meters, 3.5 meters and 0.8 meter respectively.

The middle bridge body 10 is a symmetrical box-type structure with a longitudinal section and a middle section as base planes, the length is 5 m, the width is 2.9 m, and the height is 1.2 m, please refer to fig. 8 and 9, the folding mechanism 3 comprises a second power mechanism 30, a triangular swing plate 32 and a connecting rod 34, wherein the second power mechanism 30 is hinged inside the middle bridge body 10 through a supporting seat 31, and the supporting seat 31 is fixedly arranged in the middle bridge body 10; one end of the triangular swing plate 32 is hinged with the second power mechanism 30, the other end of the triangular swing plate is hinged in the middle bridge body 10 through a swing plate support 33, and the swing plate support 33 is fixedly arranged in the middle bridge body 10; one end of the triangular swing plate 32, which is far away from the second power mechanism 30, is hinged to one end of the connecting rod 34, the other end of the connecting rod 34 is hinged to the end bridge body 20 through a connecting rod support 35, and the connecting rod support 35 is fixedly arranged on the end bridge section 2. The second power mechanism comprises a hydraulic cylinder and an air cylinder, in the first embodiment, the second power mechanism 30 is a hydraulic cylinder, and an expansion link of the hydraulic cylinder is hinged to one end of the triangular swing plate 32. When the bridge is expanded (or folded), the second power mechanism 30 folds (or jacks) the triangular swing plate 32, so that the connecting rod 34 swings downwards (or upwards), and after the end bridge section 2 is in place, the connecting bolt is inserted into the second connecting lug 14 at the top to realize bridge span connection.

Referring to fig. 11 to 15, a space truss structure is disposed at the bottom of the end bridge 20, and the space truss structure includes a first long diagonal rod 22, a plurality of connecting rods 23, and a plurality of pairs of supporting rods 24, wherein the first long diagonal rod 22 is disposed at two sides of the bottom of the end bridge 20, and the first long diagonal rod 22 is disposed along the length direction of the end bridge 20; the connecting rods 23 are connected between the two first long inclined rods 22 in the transverse direction; each pair of the support rods 24 is disposed along the length direction of the first long diagonal rod 22, and two ends of the support rod 24 are respectively fixedly connected to the end bridge 20 and the first long diagonal rod 22.

The space truss structure further comprises a plurality of pairs of first short diagonal rods 25, a plurality of pairs of second short diagonal rods 26 and a plurality of pairs of third short diagonal rods 28, wherein the first short diagonal rods 25 in each pair are respectively arranged on two sides of the supporting rod 24, and two ends of each first short diagonal rod 25 are respectively fixedly connected with the top ends of the first long diagonal rods 22 and the supporting rod 24 to form a stable triangular connecting structure; a plurality of pairs of second short diagonal rods 26 are all arranged inside the space truss structure, the bottom ends of each pair of second short diagonal rods 26 are respectively and fixedly connected with two ends of the connecting rod 23, and the top ends of the second short diagonal rods 26 are connected to the bottom of the end bridge body 20; each pair of the second short diagonal rod 26 and the connecting rod 23 forms a stable triangular connecting mechanism; a plurality of pairs of the third short diagonal rods 28 are respectively and correspondingly arranged at the outer side of the support rod 24, one end of each third short diagonal rod 28 is fixedly connected with the bottom end of the support rod 24, and the other end is fixedly connected with the bottom of the end bridge body 20. The space truss structure increases the stability of the slot crossing gate bridge, can reduce the dead weight of the bridge body and reduce the transport load of the march.

When the transporting door bridge system is erected, firstly, the transporting door bridge is assembled in batches, two half-bridge sections are lifted away from the transport vehicle 4 by the lifting mechanism 5 in a sub-step manner, the half-bridge sections rotate by 90 degrees and are transversely and fixedly connected with the transport vehicle 4, then the two end bridge sections 2 are turned over and unfolded, the suspension arms of the lifting mechanism 5 synchronously change the amplitude and slide to advance or retreat, the air bag 16 is inflated by the aid of the inflating mechanism to provide buoyancy, and the transporting door bridge is powered by a water propulsion device installed on the transport vehicle; after the single slot bridge is assembled, a plurality of slot bridge bridges are arranged side by side to be connected into the slot bridge system. Need not to change and erect, labour saving and time saving has alleviateed marching's heavy burden.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. A transit portal system comprising a plurality of transit portals arranged side-by-side, said transit portal comprising:

a transport vehicle (4);

the two half bridge sections are respectively detachably and fixedly connected to two sides of the transport vehicle (4);

2. A ducting bridge system according to claim 1 wherein each of said half bridge sections includes a middle bridge section (1), an end bridge section (2) and a folding mechanism (3), wherein one end of said middle bridge section (1) is hinged to said end bridge section (2), said folding mechanism (3) being capable of folding said end bridge section (2) to be received at the bottom of said middle bridge section (1) for storage and transportation.

3. A ducting bridge system according to claim 2 wherein said intermediate bridge section (1) is of right trapezoidal configuration, said end bridge sections (2) are of triangular configuration, and said end bridge sections (2) in the deployed condition form a right triangular configuration with said intermediate bridge section (1); when the end bridge sections (2) are in a folded state, the end bridge sections and the middle bridge section (1) form a rectangular structure.

4. A bridge system according to claim 2, wherein said intermediate bridge section (1) comprises an intermediate bridge body (10) and supporting pressing plates (11) hinged on both sides of said intermediate bridge body (10), said intermediate bridge body (10) being provided with first power mechanisms on both sides for unfolding and folding said supporting pressing plates (11).

5. A docking bridge system according to claim 4, wherein said buoyant means includes:

air bags (16) arranged on two sides of the middle bridge body (10);

and the inflation mechanism is arranged inside the middle bridge body (10) and is used as an air source of the air bag (16).

6. A bridge system according to claim 4, characterised in that said end bridge section (2) includes an end bridge body (20) and a widened portion (21) connected on either side of said end bridge body (20).

7. A chute bridge system according to claim 6, wherein said intermediate bridge body (10) is of box-like construction, said folding mechanism (3) comprising:

the second power mechanism (30) is hinged inside the middle bridge body (10) through a supporting seat (31), and the supporting seat (31) is fixedly arranged in the middle bridge body (10);

one end of the triangular swing plate (32) is hinged with the second power mechanism (30), the other end of the triangular swing plate is hinged in the middle bridge body (10) through a swing plate support (33), and the swing plate support (33) is fixedly arranged in the middle bridge body (10);

the end bridge structure comprises a connecting rod (34), one end, far away from the second power mechanism (30), of the triangular swing plate (32) is hinged to one end of the connecting rod (34), the other end of the connecting rod (34) is hinged to the end bridge body (20) through a connecting rod support (35), and the connecting rod support (35) is fixedly arranged on the end bridge section (2).

8. A chute bridge system according to claim 6, wherein the bottom of said end bridge body (20) is provided with a space truss structure comprising:

the first long inclined rods (22) are arranged on two sides of the bottom of the end bridge body (20), and the first long inclined rods (22) are arranged along the length direction of the end bridge body (20);

a plurality of connecting rods (23) which are connected between the two first long inclined rods (22) along the transverse direction;

the supporting rods (24) are arranged along the length direction of the first long inclined rod (22), and two ends of each supporting rod (24) are fixedly connected with the end bridge body (20) and the first long inclined rod (22) respectively.

9. A transit bridge system according to claim 8, wherein said space truss structure further includes:

the first short inclined rods (25) in each pair are respectively arranged on two sides of the supporting rod (24), and two ends of each first short inclined rod (25) are respectively fixedly connected with the top ends of the first long inclined rod (22) and the supporting rod (24) to form a stable triangular connecting structure;

the second short inclined rods (26) are arranged inside the space truss structure, the bottom ends of the second short inclined rods (26) are respectively fixedly connected with the two ends of the connecting rod (23), and the top ends of the second short inclined rods (26) are connected to the bottom of the end bridge body (20) together; each pair of the second short diagonal rod (26) and the connecting rod (23) form a stable triangular connecting mechanism;

a plurality of pairs of third short inclined rods (28) are respectively and correspondingly arranged at the outer sides of the supporting rods (24), one ends of the third short inclined rods (28) are fixedly connected with the bottom ends of the supporting rods (24), and the other ends of the third short inclined rods are fixedly connected with the bottoms of the end bridge bodies (20).

10. A chute bridge system according to claim 1, wherein a lifting mechanism (5) is rotatably mounted on said transport vehicle (4) for lifting said half bridge sections.