Strip mine end slope transportation bridge
By designing an end-to-end transport bridge supporting the bridge column and beam structure in the open-pit mine and assembling it with steel materials, the problem of long transportation distance in the open-pit mine is solved, the operating cost is reduced, the traffic pressure is relieved, and the transportation efficiency and safety are improved.
Patent Information
- Application Number
- CN202511170140.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-20
- Publication Date
- 2025-10-14
AI Technical Summary
The transportation distance of outsourced strippings from open-pit mines is too long, resulting in high operating costs, and the heavy traffic on the north bank makes production organization and management difficult.
设计一种露天矿端帮运输搭桥，采用支撑桥柱和横梁结构，形成夹角通行空间，利用钢制材料拼装，适应地形变化，减少运输距离，提高结构稳定性。
By reducing the stripping transportation distance, production costs are reduced, traffic pressure is relieved, and transportation efficiency and safety are improved.
Smart Images
Figure CN120777012A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of open-pit mine end wall transportation, in particular to an open-pit mine end wall transportation bridge. Background Art
[0002] In order to avoid the intersection of stripping and raw coal transportation systems, all outsourced stripping in open-pit mines adopts single-ring internal discharge, which leads to an increase in the stripping material discharge and transportation distance. At present, the stripping material transportation distance of the upper part of the open-pit coal mine can reach more than 5km, which exceeds the economic transportation distance of dump trucks. According to the open-pit mine discharge volume at that time, the additional operating cost per kilometer is as high as 10 million yuan / year, resulting in high stripping transportation costs, seriously affecting the economic benefits of the open-pit mine. At the same time, all outsourced stripping vehicles are transported to the north bank, resulting in a large traffic volume on the north bank and difficulties in production organization and management. Summary of the Invention
[0003] The purpose of the present invention is to provide a transport bridge for the end wall of an open-pit mine, so as to reduce the stripping distance, save production costs, and alleviate the current traffic pressure on the north wall.
[0004] To achieve the above object, the present invention provides the following technical solutions:
[0005] An open pit mine sidewall transport bridge, comprising:
[0006] Supporting bridge columns, wherein a plurality of the supporting bridge columns are sequentially spaced apart, and a first passage space is formed between two adjacent supporting bridge columns along the length direction of the open-pit mine end wall transport bridge;
[0007] A crossbeam spans across each of the supporting bridge columns in the width direction and / or length direction of the open-pit mine end transport bridge, and is connected to the top of each of the supporting bridge columns. A pavement structure is set on the top of the crossbeam, and a second passage space is formed above the pavement structure. The first passage space and the second passage space are arranged at an angle.
[0008] In one embodiment of the present application, the pavement structure includes a steel body formed by splicing a plurality of steel plates.
[0009] In one embodiment of the present application, the steel body and the crossbeam are detachably connected.
[0010] In one embodiment of the present application, the supporting bridge column includes:
[0011] A plurality of upright posts are arranged in parallel, and the tops of the upright posts are detachably connected to the crossbeam;
[0012] A tie beam is provided between two adjacent columns.
[0013] In an embodiment of the present application, the support bridge column further comprises a pile foundation for being partially or wholly embedded under the ground, and the bottom of the column is detachably connected to the pile foundation.
[0014] In an embodiment of the present application, a plurality of the tie beams are arranged between two adjacent columns, and each of the tie beams forms a V-shaped or W-shaped structure.
[0015] In an embodiment of the present application, the top of the column is provided with a first flange structure, the bottom of the beam is provided with a second flange structure, and the first flange structure and the second flange structure are connected by a plurality of sets of threaded fasteners.
[0016] In an embodiment of the present application, the tie beam and the column are detachably connected.
[0017] In an embodiment of the present application, the road surface structure comprises at least two roads, and a guardrail is arranged between two adjacent roads.
[0018] In an embodiment of the present application, the top of two adjacent support bridge columns is connected with a reinforcing beam below the beam.
[0019] As can be seen from the above technical solutions, the present application discloses an open-pit mine end slope transportation bridge, which comprises support bridge columns and a beam, wherein a plurality of support bridge columns are arranged in sequence and at intervals, a first passing space is formed between two adjacent support bridge columns along the length direction of the open-pit mine end slope transportation bridge, the beam spans the support bridge columns along the width direction and / or the length direction of the open-pit mine end slope transportation bridge and is connected to the top of each support bridge column, the top of the beam is provided with a road surface structure, a second passing space is formed above the road surface structure, and the first passing space and the second passing space are arranged at an angle.
[0020] The open-pit mine end slope transportation bridge mainly adopts metal materials for assembly and construction, can adapt to various cross-road terrain conditions in the longitudinal direction and can adapt to the needs of traffic in the transverse direction, has strong terrain adaptability, does not need to be specially designed for various structures according to the terrain, has good overall stability and safety of the steel structure, is easy to process and transport, and the like. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.
[0022] Figure 1A front slope transportation bridging main view of the open-pit mine provided by the embodiment of the present application is provided.
[0023] Figure 2 A front slope transportation bridging side view of the open-pit mine provided by the embodiment of the present application is provided.
[0024] In the figure:
[0025] 100 is a support bridge column; 110 is a stand column; 120 is a tie beam; 130 is a pile foundation; 200 is a cross beam; 300 is a road surface structure; 310 is a steel body; 320 is a bottom frame; 330 is a guardrail; 400 is a first passing space; 500 is a ground; and 600 is a second passing space. DETAILED DESCRIPTION
[0026] The core of the present application is to provide a front slope transportation bridging of the open-pit mine, which can reduce stripping distance, save production cost, and relieve the current traffic pressure of the north slope.
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0028] Please refer to Figure 1 and Figure 2 , Figure 1 A front slope transportation bridging structure schematic view of the open-pit mine provided by the embodiment of the present application is provided. Figure 2 A front slope transportation bridging side view of the open-pit mine provided by the embodiment of the present application is provided.
[0029] Disclosed in the embodiment of the present application is a front slope transportation bridging of the open-pit mine, which comprises a support bridge column 100 and a cross beam 200.
[0030] The plurality of support bridge columns 100 are arranged in sequence and at intervals, and the first passing space 400 is formed between the adjacent two support bridge columns 100 along the length direction of the front slope transportation bridging of the open-pit mine. The cross beam 200 spans each support bridge column 100 along the width direction and / or the length direction of the front slope transportation bridging of the open-pit mine, and is connected with the top of each support bridge column 100. The top of the cross beam 200 is provided with the road surface structure 300, and the second passing space 600 is formed above the road surface structure 300. The first passing space 400 and the second passing space 600 are arranged at an angle.
[0031] Compared with the prior art, the open-pit mine end slope transportation bridge provided by the embodiment of the present application is mainly assembled and built by steel materials, can adapt to various terrain conditions of crossing roads in the longitudinal direction, can adapt to the needs of traffic in the transverse direction, has strong terrain adaptability, does not need to be specially designed in multiple structures according to the terrain, and has good overall stability and safety of the steel structure, and is easy to process and transport.
[0032] In an embodiment of the present application, the road surface structure 300 includes a steel main body 310 composed of multiple steel plates, and the upper surface of the steel main body 310 and the space above form a second passing space 600.
[0033] Of course, it needs to be explained that the road surface structure 300 is not necessarily composed of only steel plates, and in other embodiments, in order to improve the stability of the road surface structure 300 and the safety of passing, the road surface structure 300 further includes a bottom frame 320 and a guardrail 330, the bottom frame 320 is composed of multiple cross beams 200 and multiple longitudinal beams, and the cross beams 200 and the longitudinal beams are connected and supported by a reinforcing beam to improve the overall strength of the bottom frame 320, the reinforcing beam can adopt a V-shaped or cross-shaped structure, the above-mentioned steel main body 310 is detachably installed on the cross beam 200 through the bottom frame 320, and the steel main body 310 and the bottom frame 320 can be fixedly connected or detachably connected, of course, the steel main body 310 and the bottom frame 320 can form a modular structure, so that multiple modules are spliced to form a complete road surface.
[0034] The guardrails 330 are arranged on both sides of the steel main body 310 in the width direction, and the guardrails 330 include multiple longitudinal guardrails 330 arranged at intervals along the length direction of the steel main body 310 and transverse guardrails 330 connecting the longitudinal guardrails 330, and the transverse guardrails 330 can be one or more, and when there are multiple transverse guardrails 330, the transverse guardrails 330 are arranged at intervals in the up-down direction.
[0035] Please refer to Figure 1 and Figure 2 In an embodiment of the present application, the support bridge column 100 includes a vertical column 110 and a tie beam 120, wherein multiple vertical columns 110 are arranged in parallel, the top of the vertical column 110 is detachably connected with the cross beam 200, the tie beam 120 is connected between adjacent two vertical columns 110, and the multiple vertical columns 110 are arranged along the length direction and / or the width direction of the open-pit mine end slope transportation bridge, for example, the support bridge column 100 can include two vertical columns 110 arranged along the width direction of the open-pit mine end slope transportation bridge, or four vertical columns 110, wherein the four vertical columns 110 are distributed at four corners, i.e., arranged along the length direction and the width direction of the open-pit mine end slope transportation bridge, respectively.
[0036] Please continue to refer to Figure 1 and Figure 2The support bridge column 100 further comprises a pile foundation 130, which is used to be partially or wholly embedded in the ground 500, and the bottom of the stand column 110 is detachably connected to the pile foundation 130.
[0037] Further optimization of the above technical solutions, in an embodiment of the present application, a plurality of tie beams 120 are arranged between the two adjacent stand columns 110, and each tie beam 120 forms a V-shaped or W-shaped structure.
[0038] For the convenience of assembly and disassembly, in an embodiment of the present application, the top of the stand column 110 is provided with a first flange structure, the bottom of the cross beam 200 is provided with a second flange structure, the first flange structure and the second flange structure are connected through a plurality of groups of threaded fasteners, and correspondingly, the tie beam 120 and the stand column 110 are detachably connected. By adopting detachable connection between the stand column 110 and the cross beam 200, between the road surface structure 300 and the cross beam 200, and between the tie beam 120 and the stand column 110, the bridge can be quickly built according to the site environment and needs.
[0039] For the convenience of adapting to different site environments, the stand column 110 adopts a multi-section detachable structure.
[0040] For the convenience of vehicle passing, in an embodiment of the present application, as shown in Figure 2 The road surface structure 300 comprises at least two roads, and the two adjacent roads are separated by a guardrail 330.
[0041] As a preferred, to further improve the stability of the support bridge column 100, the top of the two adjacent support bridge columns 100 is connected with a reinforcing beam below the cross beam 200, and the reinforcing beam and the stand column 110 of the support bridge column 100 are detachably connected.
[0042] It should be noted that each embodiment in the present specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between each embodiment can be referred to each other.
[0043] As shown in the present application and claims, unless the context clearly indicates otherwise, the words "one", "a", "an", and / or "the" do not specifically refer to the singular, but also include the plural. Generally speaking, the terms "comprise" and "include" only indicate the inclusion of the steps and elements explicitly identified, and these steps and elements do not constitute an exclusive list.
[0044] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features.
[0045] It is also to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components, and the term "an element" can include comparable reference to a plurality of elements.
[0046] The principles and implementations of the present application have been described above with the specific examples. The above description of the embodiments is only for the purpose of understanding the core idea of the present application. It should be pointed out that, for those skilled in the art, without departing from the principles of the present application, some improvements and modifications can be made to the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.
Claims
1. A bridge for transporting sidewalls in open pit mines, characterized in that: include: Supporting bridge columns (100), wherein a plurality of the supporting bridge columns (100) are sequentially arranged at intervals, and a first passage space (400) is formed between two adjacent supporting bridge columns (100) along the length direction of the open-pit mine end side transport bridge; A crossbeam (200) spans across each of the supporting bridge columns (100) along the width direction and / or length direction of the open-pit mine end transport bridge, and is connected to the top of each of the supporting bridge columns (100). A pavement structure (300) is provided on the top of the crossbeam (200), and a second passage space (600) is formed above the pavement structure (300). The first passage space (400) and the second passage space (600) are arranged at an angle.
2. The open pit mine end wall transport bridge according to claim 1, characterized in that: The pavement structure (300) comprises a steel body (310) formed by splicing a plurality of steel plates.
3. The open pit mine end wall transport bridge according to claim 2, characterized in that: The steel body (310) and the crossbeam (200) are detachably connected.
4. The open pit mine end wall transport bridge according to claim 1, characterized in that: The supporting bridge column (100) comprises: A plurality of upright posts (110) are arranged in parallel, and the tops of the upright posts (110) are detachably connected to the crossbeam (200); A tie beam (120) is provided between two adjacent columns (110).
5. The open-pit mine end wall transportation bridge according to claim 4, characterized in that: The supporting bridge column (100) further includes a pile foundation (130), wherein the pile foundation (130) is partially or completely buried under the ground (500), and the bottom of the column (110) is detachably connected to the pile foundation (130).
6. The open pit mine end wall transport bridge according to claim 4, characterized in that: A plurality of tie beams (120) are provided between two adjacent upright columns (110), and each tie beam (120) forms a V-shaped or W-shaped structure.
7. The open pit mine end wall transport bridge according to claim 4, characterized in that: A first flange structure is provided at the top of the column (110), and a second flange structure is provided at the bottom of the crossbeam (200), and the first flange structure and the second flange structure are connected via multiple sets of threaded fasteners.
8. The open pit mine end wall transport bridge according to claim 4, characterized in that: The tie beam (120) and the column (110) are detachably connected.
9. The open-pit mine end wall transport bridge according to any one of claims 1 to 8, characterized in that: The road surface structure (300) comprises at least two roads, and a guardrail (330) is provided between two adjacent roads.
10. The open-pit mine end wall transport bridge according to any one of claims 1 to 8, characterized in that: The tops of two adjacent supporting bridge columns (100) are connected to a reinforcement beam below the crossbeam (200).