CN220334132U - Modularized coal conveying stack bridge - Google Patents

Abstract

The modular coal conveying bridge comprises a plurality of trestle gallery body modules which are connected in sequence, wherein each trestle gallery body module comprises a top plate assembly, a first side assembly, a second side assembly and a bottom plate assembly; the top plate assembly, the first side assembly, the second side assembly and the bottom plate assembly are fixedly connected to form a hollow trestle gallery body module; according to the trestle structure and the conventional length of the transport vehicle, the trestle is designed into a standard module, so that the transportation is convenient, the assembly type installation is easy, and the trouble and the labor are saved; meanwhile, all components of the standard module are processed in batches in a factory, and are transported to a construction site after being assembled into the standard module, so that the construction space is saved, and the processing cost is reduced.

Description

Modularized coal conveying stack bridge

Technical Field

The utility model relates to the field of conveying trestle, in particular to a modularized coal conveying trestle.

Background

The coal conveying trestle is widely applied to industries such as coal mines, power plants, coal chemical industry, steel plants and the like and plays an extremely important role. The steel structure coal conveying trestle consists of a steel structure corridor, a belt conveying system, a bracket and the like.

The section of the common trestle corridor at present consists of a top plate, a cross beam, a support, an upper longitudinal beam, a lower longitudinal beam, an upper chord and lower chord horizontal support truss or a horizontal longitudinal truss, a first side surface, a second side surface, a bottom plate and the like. The structure has the defects of complex structure, more and scattered parts such as rods and supports, large site construction amount, long project period, high cost, limited load supporting strength, unstable overall structure and the like. Meanwhile, because the thickness of the top plate material is relatively thin, the resistance to strong wind and strong snow is relatively poor, and particularly, the phenomenon of roof collapse often occurs under severe snow working conditions in northern winter such as northern Shaanxi.

Disclosure of Invention

The utility model aims to provide a modularized coal conveying trestle so as to solve the problems.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the modular coal conveying bridge comprises a plurality of trestle gallery body modules which are connected in sequence, wherein each trestle gallery body module comprises a top plate assembly, a first side assembly, a second side assembly and a bottom plate assembly; the top plate assembly, the first side assembly, the second side assembly and the bottom plate assembly are fixedly connected to form a hollow trestle gallery body module;

the roof plate assembly comprises an arched girder, a roof longitudinal purlin, a support and a roof plate; the arched girders are arranged side by side and are welded and fixed through a plurality of longitudinal purlins perpendicular to the roofs of the arched girders; a support is arranged between each two adjacent arched girders and spans the tops of the first side assembly and the second side assembly; the roof board is fastened on the arched girder and the roof longitudinal purlin through bolts; the arch girder is provided with a trestle pipeline, a conveying belt device and a reserved embedded installation position of a track device of the inspection robot.

Further, reserved embedded mounting holes for fixing trestle pipelines, conveying belt devices and inspection robot track devices are formed in the side face of the whole span of the arched girder; and the arched girders at the two ends of each corridor module are also provided with mounting interfaces connected with the front and rear adjacent corridor modules.

Furthermore, the arched girder is formed by pre-bending channel steel; the longitudinal purlin of the roof adopts square pipes or channel steel; the support is a horizontal cross support or a Z-shaped support; the horizontal cross support is formed by welding two angle steels in a crossing way, and the Z-shaped support is formed by connecting a plurality of angle steels end to end; the roof board adopts a sunlight board.

Further, the two ends of the arched girder are both provided with first auxiliary connection plates, and are connected with the tops of the first side assembly and the second side assembly through the first auxiliary connection plates.

Further, the first side assembly and the second side assembly each comprise a reinforcing rib, a corrugated plate and a bracket; the two ends of the reinforcing rib are respectively provided with a second auxiliary connecting plate, one end of the reinforcing rib is fixedly connected with the first auxiliary connecting plate at the end part of the arched girder through the second auxiliary connecting plates, and the other end of the reinforcing rib is connected with the bottom plate assembly through the second auxiliary connecting plates; the corrugated plates are arranged between the reinforcing ribs; the support is welded at the top of the reinforcing rib and is fixedly connected with the end part of the support.

Further, the bracket comprises a connecting rod and a connecting plate, one end of the connecting rod is welded at the top of the reinforcing rib, and the other end of the connecting rod is welded with the connecting plate; the end parts of the supports are provided with connecting plates, and the connecting plates welded with the connecting rods are connected through bolts.

Further, the reinforcing ribs are square steel; the corrugated plate is formed by folding a light steel plate.

Further, the bottom plate assembly comprises a bottom plate cross beam, a bottom plate longitudinal purlin, a lower support and a bottom transverse plate; the two bottom plate longitudinal beams are arranged in parallel, the bottom plate cross beams are vertically and uniformly fixed between the two bottom plate longitudinal beams, the bottom plate longitudinal purlins are vertically fixed on the bottom plate cross beams, and the bottom cross plates are fixed on the bottom plate longitudinal purlins through bolts; the lower support is disposed between adjacent floor beams.

Further, the lower support comprises two angle steel supports, one square steel, a third auxiliary connecting plate, a fourth auxiliary connecting plate and a fifth auxiliary connecting plate; the two ends of the angle steel support are respectively connected with a third auxiliary connecting plate and a fourth auxiliary connecting plate, the third auxiliary connecting plate is welded at the end part of the bottom plate beam, and the fourth auxiliary connecting plate is welded at the middle part of the bottom plate beam; two ends of the square steel are respectively connected with fourth auxiliary connecting plates on two adjacent bottom plate cross beams through bolts.

Further, the lower ends of the reinforcing ribs are welded with the floor stringers in the floor assembly.

Compared with the prior art, the utility model has the following technical effects:

according to the trestle structure and the conventional length of the transport vehicle, the trestle is designed into a standard module, so that the transportation is convenient, the assembly type installation is easy, and the trouble and the labor are saved; meanwhile, all components of the standard module are processed in batches in a factory, and are transported to a construction site after being assembled into the standard module, so that the construction space is saved, and the processing cost is reduced; particularly important, the design of the arched main beam replaces top plate components such as an upper cross beam, an upper longitudinal beam and a support in the traditional trestle structure, simplifies the top plate component structure and the two side surface component structure, reduces components such as a rod piece and the support, obviously reduces the steel consumption, and ensures that the whole structure is more economical; simultaneously, the arched girder replaces the traditional roof support, so that the compressive strength is obviously improved, and the strong wind resistance and the strong snow resistance are obviously enhanced.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present utility model.

Fig. 2 is a schematic view of a herringbone arched girder of the present utility model.

Fig. 3 is a side view of the structure of the present utility model.

Fig. 4 is a bottom view of the present utility model.

Fig. 5 is a top view of the present utility model.

Fig. 6 is a top view of the zig-zag support of this utility model.

Wherein: roof deck assembly 1, first side assemblies 2, second side assemblies 3, floor assemblies 4, arched girders 11, roof longitudinal purlins 12, supports 13, roof panels 14, reinforcing ribs 21, corrugated sheets 22, brackets 23, floor beams 41, floor stringers 42, floor longitudinal purlins 43, lower supports 44, bottom cross plates 45, angle steel supports 441, square steel 442.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that, as the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used for convenience in describing the present utility model and simplifying the description based on the azimuth or positional relationship shown in the drawings, it should not be construed as limiting the present utility model, but rather should indicate or imply that the devices or elements referred to must have a specific azimuth, be constructed and operated in a specific azimuth. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.

In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should 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 will be understood in specific cases by those of ordinary skill in the art.

The utility model is further described below with reference to the accompanying drawings:

referring to fig. 1 to 4, the utility model provides a modularized coal conveying stack bridge, which is used as a module for transportation and installation of the stack bridge, wherein the stack bridge corridor body module comprises a top plate assembly, a first side assembly, a second side assembly and a bottom plate assembly;

each trestle gallery body module comprises a top plate assembly 1, a first side assembly 2, a second side assembly 3 and a bottom plate assembly 4; the top plate assembly 1, the first side assembly 2, the second side assembly 3 and the bottom plate assembly 4 are fixedly connected to form a hollow trestle gallery body module;

taking a horizontal cross support as an example, the roof plate assembly 1 comprises an arched girder 11, a roof longitudinal purlin 12, a horizontal cross support 13 and a roof plate 14; the arched girders 11 are arranged side by side and are welded and fixed through a plurality of roofing longitudinal purlins 12 perpendicular to the arched girders 11; a horizontal cross support 13 is arranged between each two adjacent arched girders 11, and the horizontal cross support 13 spans across and is fixedly arranged at the tops of the first side assembly 2 and the second side assembly 3; the roof board 14 is fastened on the arched girder 11 and the roof longitudinal purlin 12 through bolts; the arch girder 11 is provided with a trestle pipeline, a conveying belt device and a reserved embedded installation position of a track device of the inspection robot.

Specific:

1. top plate assembly

The roof plate assembly 1 is arranged at the upper part of the corridor body, serves as a roof of a trestle, plays a role in shielding wind and rain, bears external loads such as big snow and the like, and provides reserved embedded mounting positions and load supports for trestle pipelines, conveying belt devices, inspection robot track devices and the like; the roof comprises an arched girder 11, a roof longitudinal purlin 12, a horizontal cross 13 support, a roof plate 14 and the like.

The arched girder comprises a girder body and a first auxiliary connecting plate, and the auxiliary connecting plate is welded at the end part of the girder body. The arched girder is formed by pre-bending channel steel, and is in particular an arch bridge type or a herringbone type; determining arch specific parameters according to the specific width of the trestle; the auxiliary connecting plate adopts a common carbon steel plate, the size and the shape are determined according to the requirement, and the auxiliary connecting plate is provided with a mounting hole system. The arched girder is positioned at the upper part of the roof plate assembly and provides main support for roof plates, roof longitudinal purlins and external loads of rain and snow, and a series of mounting holes are arranged on the side surface of the whole span of the arched girder; the arched beams at the two ends of each corridor body module are also provided with mounting interfaces connected with the front and rear adjacent corridor body modules; the embedded type mounting position is reserved for trestle pipelines, conveying belt devices, inspection robot track devices and the like. Each corridor module comprises 5 arch-shaped main beams, and one pair of arch-shaped main beams is arranged every 3 meters in the longitudinal direction of the corridor module. The arched girder is welded and connected with four pairs of roof longitudinal purlins 12 respectively in the span direction; the arched girder is connected and fixed with the reinforcing rib through the auxiliary connecting plate at the end part and the connecting plate at the end part of the reinforcing rib in a bolt mode.

The longitudinal purlin 12 of the roof is made of square tubes or channel steel materials and is manufactured by cutting according to the length of a corridor module and the arrangement interval of arched girders; the longitudinal purlins of the roof are positioned on the roof of the roof board and are longitudinally arranged, and are mainly used for longitudinally connecting 5 arch girders in the corridor body module units, so that the stability of the roof board assembly is enhanced, and meanwhile, a support and more installation fixing surfaces are provided for the roof board; the longitudinal purlins of the roof are symmetrically arranged on the span of the arch girder, and the total number of pairs is 4 for each of the left pair and the right pair. The longitudinal purlin of the roof is connected with the arched girder through welding and is connected with the roof board through bolts.

Each group of horizontal cross supports 13 consists of two angle steel supports and four connecting plates 1, and the size is determined according to the trestle width and the arrangement space of the arched girder. The horizontal cross supports are positioned at the lower part of the top plate, are arranged between the first side face and the second side face and at the lower side between two adjacent arched girders, and mainly strengthen the overall stability of the space components at the upper part of the gallery body module and between the first side face and the second side face and between the two adjacent arched girders. The two angle steels of the horizontal cross support are connected in a welding mode. The four ends of the cross support are welded with connecting plates, and are connected with the support welded at the end of the support of the reinforcing rib by bolts after being butted. Each gallery body module contains 4 sets of horizontal cross supports.

The roof board adopts a sunlight board; the roof is fastened on the arched girder and the roof longitudinal purlin through bolts, and is mainly used for lighting, shielding wind and rain and sealing the top in the corridor.

2. First side assembly

The first side assemblies are positioned at two sides of the corridor body and below the top plate assembly; as the vertical support and the side barrier of the trestle, the trestle plays a role of shielding wind and rain, bearing lateral external load and transmitting the vertical load to the bottom plate assembly; the roof first side assembly 2 includes a stiffener 21, corrugated sheets 22 and brackets 23.

The reinforcing rib comprises a reinforcing rib main body and a second auxiliary connecting plate, and the second auxiliary connecting plate is welded at the end part of the reinforcing rib main body. The strengthening rib main body adopts square steel material, and the customized length of the strengthening rib main body is determined according to the concrete design height of the trestle and the height of the arched main beam. The reinforcing ribs are uniformly arranged on the side face, a pair of reinforcing ribs are arranged at intervals of 3 meters, corrugated plates are arranged between adjacent reinforcing ribs, and connection is achieved through welding. The upper end of the reinforcing rib is connected with the arched girder through a first auxiliary connecting plate and a second auxiliary connecting plate in the vertical direction, and the connection mode is bolt connection; the lower end of the lower end is welded with a lower longitudinal beam in the bottom plate component. The second auxiliary connecting plate adopts a common carbon steel plate, the size and the shape of the second auxiliary connecting plate are determined according to the first auxiliary connecting plate, and the second auxiliary connecting plate is provided with a mounting hole system which is matched with the mounting hole system on the first auxiliary connecting plate. The reinforcing rib is used as a rib of the first side surface to connect and fix the corrugated plates on the side surface together. And mounting interfaces connected with the front and rear adjacent gallery body modules are further arranged on the reinforcing ribs at the two ends of each gallery body module. Each gallery body module first side assembly includes 5 pairs of stiffening ribs arranged one at 3 meter intervals longitudinally of the gallery body module.

The corrugated plates are formed by folding light steel plates and are cut according to the height of the corridor and the arrangement space of the arched girder; the corrugated plates are arranged between the reinforcing ribs and are longitudinally arranged, and the stability of the first side assembly is enhanced mainly by laterally packaging the side surfaces of the corridor body module and longitudinally connecting 5 pairs of reinforcing ribs; the corrugated plate is connected with the reinforcing rib through welding.

The bracket comprises a connecting rod and a connecting plate 2, and the size is determined according to the horizontal cross support length and the distance between the stiffening ribs with the same span and oblique symmetry of the arch. The support is located the lower part of roof, arranges the welding at stiffening rib top. The end parts of the connecting rods are welded with connecting plates 2, and are connected with connecting plates 1 welded at the end parts of the horizontal cross supports by bolts after being in butt joint. Each gallery module contains 16 sets of brackets.

3. Second side assembly

The second side surface component is positioned on the other side of the corridor body, and the structural composition and the function of the second side surface component are the same as those of the first side surface.

4. Floor assembly

The bottom plate component is positioned at the lower part of the gallery body and used as a base of the trestle, bears the gallery body, internal devices of the gallery body, external loads, running dynamic loads and the like, and is a main stressed component of the gallery body of the trestle; the floor assembly includes floor cross members 41, floor stringers 42, floor longitudinal purlins 43, lower supports 44, and bottom cross plates 45, among others.

The bottom plate beam comprises a beam main body and auxiliary third auxiliary connecting plates, and the auxiliary third auxiliary connecting plates are welded at two end parts of the beam main body. The length of the beam main body is determined according to the specific width of the trestle; the auxiliary connecting plate adopts a common carbon steel plate, the size and shape are determined according to the requirement, and the auxiliary connecting plate is provided with a mounting hole system. The bottom plate crossbeam is located between the bottom plate longerons, and the auxiliary connection board of crossbeam tip and the side of bottom plate longeron tip are fixed bottom plate longeron and bottom plate crossbeam connection through the bolt form, become the main frame of bottom plate subassembly. The side surfaces of the bottom plate cross beams at the two ends of each corridor body module are provided with mounting interfaces connected with the front and rear adjacent corridor body modules; each gallery body module comprises 5 pairs of bottom plate beams, and each pair of bottom plate beams is arranged every 3 meters in the longitudinal direction of the gallery body module. The bottom plate crossbeam is in span direction, respectively with four pairs of roofing indulge purlin, a pair of lower support welded connection.

The bottom plate longitudinal beam is made of channel steel, the corridor body module unit comprises 2 bottom plate longitudinal beams which are respectively arranged below the first side face component and the second component, two sides of the 5 pairs of bottom plate cross beams are respectively provided with 12 meters in length. The side of the end part of the bottom plate longitudinal beam is provided with a mounting hole system, and the mounting hole system is connected and fixed with an auxiliary connecting plate at the end part of the cross beam through bolts to form a main frame of the bottom plate assembly. The upper side surface of the bottom plate longitudinal beam is welded with the bottom surface of the corrugated plate and the bottom surface of the 5 pairs of reinforcing ribs.

The longitudinal purlin of the bottom plate is made of square tubes or channel steel materials and is cut according to the length of the corridor body module and the arrangement space of the main girder of the bottom plate; the longitudinal purlins of the bottom plate are positioned on the plane of the bottom plate and are longitudinally arranged, mainly used for providing support and more mounting and fixing surfaces for the bottom transverse plates, and simultaneously, the 5 pairs of bottom plate transverse beams in the corridor body module units are longitudinally connected, so that the stability of the top plate assembly is enhanced; the longitudinal purlins of the bottom plate are symmetrically arranged on the span of the bottom plate beam, and the left side and the right side are respectively provided with 2 pairs of purlins which are 4 pairs in total. The bottom plate longitudinal purlin is connected with the bottom plate cross beam through welding and is connected with the bottom cross plate through bolts.

The lower support is composed of 2 angle steel supports, one square steel, a third auxiliary connecting plate, a fourth auxiliary connecting plate and a fifth auxiliary connecting plate, and the size is determined according to the trestle width and the arrangement space of the bottom plate cross beam. The lower support is positioned in the plane of the bottom plate, is arranged between the adjacent bottom plate cross beams and between the adjacent bottom longitudinal beams, and mainly enhances the overall stability of the first side surface and the second side surface, between the adjacent bottom plate cross beams and the corridor module bottom space component. The angle steel both ends of lower support are connected with third auxiliary connection board and fourth auxiliary connection board, and third auxiliary connection board welds at the bottom plate crossbeam tip, and fourth auxiliary connection board welds at the bottom plate crossbeam middle part. And two ends of the square tube are respectively connected with the fourth auxiliary connecting plate and the fifth auxiliary connecting plate through bolts. The third auxiliary connecting plate, the fourth auxiliary connecting plate and the fifth auxiliary connecting plate are all made of ordinary carbon steel and are all provided with mounting hole systems. Each gallery body module contains 4 sets of lower supports.

The bottom transverse plate is paved on the bottom plate cross beam and the bottom plate longitudinal purlin by adopting a common carbon steel plate.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The modularized coal conveying trestle is characterized by comprising a plurality of trestle corridor body modules which are connected in sequence, wherein each trestle corridor body module comprises a top plate assembly (1), a first side assembly (2), a second side assembly (3) and a bottom plate assembly (4); the top plate assembly (1), the first side assembly (2), the second side assembly (3) and the bottom plate assembly (4) are fixedly connected to form a hollow trestle gallery body module;

the roof plate assembly (1) comprises an arched girder (11), a roof longitudinal purlin (12), a support (13) and a roof plate (14); the arched girders (11) are arranged side by side and are welded and fixed through a plurality of roofing longitudinal purlins (12) perpendicular to the arched girders (11); a support (13) is arranged between each two adjacent arched girders (11), and the support (13) spans and is fixedly arranged at the tops of the first side surface component (2) and the second side surface component (3); the roof board (14) is fastened on the arched girder (11) and the roof longitudinal purlin (12) through bolts; the arch girder (11) is provided with a trestle pipeline, a conveying belt device and a reserved embedded installation position of the inspection robot track device.

2. The modular coal conveying trestle according to claim 1, characterized in that the side surface of the whole span of the arched girder (11) is provided with reserved embedded mounting holes for fixing trestle pipes, conveying belt devices and inspection robot track devices; and the arched girder (11) at the two ends of each corridor module is also provided with an installation interface connected with the front and rear adjacent corridor modules.

3. A modular coal delivery trestle according to claim 1, characterized in that the arched girders (11) are pre-bent with channel steel; the longitudinal purlin (12) of the roof adopts square tubes or channel steel; the support (13) is a horizontal cross support or a Z-shaped support; the horizontal cross support is formed by welding two angle steels in a crossing way, and the Z-shaped support is formed by connecting a plurality of angle steels end to end; the roof board adopts a sunlight board.

4. A modular coal delivery trestle according to claim 1, characterized in that both ends of the arched girder (11) are provided with first auxiliary connection plates, through which the tops of the first side assembly (2) and the second side assembly (3) are connected.

5. A modular coal delivery trestle according to claim 4, characterized in that both the first side assembly (2) and the second side assembly (3) comprise stiffening ribs (21), corrugated plates (22) and brackets (23); the two ends of the reinforcing rib (21) are respectively provided with a second auxiliary connecting plate, one end of the reinforcing rib (21) is fixedly connected with a first auxiliary connecting plate at the end part of the arched girder (11) through the second auxiliary connecting plates, and the other end of the reinforcing rib is connected with the bottom plate assembly (4) through the second auxiliary connecting plates; the corrugated plates (22) are arranged between the reinforcing ribs (21); the bracket (23) is welded on the top of the reinforcing rib (21) and is fixedly connected with the end part of the support (13).

6. A modular coal conveying trestle according to claim 5, characterized in that the support (23) comprises a connecting rod and a connecting plate, one end of the connecting rod is welded on top of the reinforcing rib (21), and the other end is welded with the connecting plate; the end parts of the supports (13) are provided with connecting plates, and the connecting plates welded with the connecting rods are connected by bolts.

7. A modular coal conveying trestle according to claim 5, characterized in that the stiffening ribs (21) are square steel; the corrugated plate (22) is formed by folding a light steel plate.

8. A modular coal delivery trestle according to claim 5, characterized in that the floor assembly (4) comprises floor beams (41), floor stringers (42), floor longitudinal purlins (43), lower supports (44) and bottom cross plates (45); the two bottom plate longitudinal beams (42) are arranged in parallel, the plurality of bottom plate cross beams (41) are vertically and uniformly fixed between the two bottom plate longitudinal beams (42), the plurality of bottom plate longitudinal purlins (43) are vertically fixed on the bottom plate cross beams (41), and the bottom transverse plates (45) are fixed on the bottom plate longitudinal purlins (43) through bolts; the lower support (44) is arranged between adjacent floor beams (41).

9. A modular coal conveying trestle according to claim 8, characterized in that the lower support (44) comprises two angle steel supports (441), one square steel (442), a third auxiliary connection plate, a fourth auxiliary connection plate and a fifth auxiliary connection plate; the two ends of the angle steel support (441) are respectively connected with a third auxiliary connecting plate and a fourth auxiliary connecting plate, the third auxiliary connecting plate is welded at the end part of the bottom plate beam (41), and the fourth auxiliary connecting plate is welded at the middle part of the bottom plate beam (41); two ends of the square steel (442) are respectively connected with fourth auxiliary connecting plates on two adjacent bottom plate cross beams (41) through bolts.

10. A modular coal delivery trestle according to claim 8, characterized in that the lower ends of the stiffening ribs (21) are welded to floor stringers (42) in the floor assembly (4).