CN111874533A - Belt conveyor and conveying bridge thereof - Google Patents
Belt conveyor and conveying bridge thereof Download PDFInfo
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- CN111874533A CN111874533A CN202010681132.0A CN202010681132A CN111874533A CN 111874533 A CN111874533 A CN 111874533A CN 202010681132 A CN202010681132 A CN 202010681132A CN 111874533 A CN111874533 A CN 111874533A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 35
- 238000005728 strengthening Methods 0.000 claims description 14
- 230000002787 reinforcement Effects 0.000 claims 3
- 238000003466 welding Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 239000011324 bead Substances 0.000 description 18
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/10—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a belt conveyor and a conveying bridge thereof, wherein the conveying bridge comprises at least two bridge units, each bridge unit comprises a plurality of welded steel plates, and through holes for a pin shaft to pass through are formed in both ends of each bridge unit in the length direction, so that adjacent bridge units are connected through the pin shafts. Compared with the prior art, the bridge units are connected through the pin shafts, so that cracking of the connection part of the adjacent bridge units due to sudden stress change can be avoided, and the stability of the conveying bridge is improved; the bridge unit is formed by welding a plurality of steel plates, compared with the section steel used in the prior art, the material of the steel plates is easier to obtain, and the strength of the bridge unit formed by welding the steel plates is higher; therefore, the conveying bridge provided by the invention can realize the connection among more bridge units on the premise of meeting the conveying requirement, so that the length of the conveying bridge is increased to meet the conveying requirement of long distance and high strength.
Description
Technical Field
The invention relates to the technical field of belt transmission equipment, in particular to a conveying bridge. In addition, the invention also relates to a belt conveyor comprising the conveying bridge.
Background
Belt conveyors are used primarily for horizontal or inclined transport of bulk materials or articles and also in lines for certain process operations. The belt conveyor has the advantages of simple structure, stable and reliable work, strong adaptability to materials and places, large conveying capacity, low power consumption and the like, and is widely applied to small and medium-sized mines as matched material conveying equipment of a complete machine in mobile crushing and screening equipment.
In the prior art, with the rapid development of tunneling and anchoring equipment, the tunneling speed is faster and faster, the designed construction length of a roadway of a mining working face is longer and longer, the material transportation distance in the construction process of the roadway is longer and longer, a belt conveyor is used as matched transportation equipment, the length of a belt conveyor bridge frame needs to be continuously lengthened, but the stress distribution of the joint of each unit of the existing belt conveyor bridge frame is not uniform, the bearing capacity of the belt conveyor bridge frame is not strong enough, and the further increase of the length of the belt conveyor bridge frame is influenced.
In summary, how to increase the length of the bridge of the belt conveyor on the premise of meeting the strength requirement is a problem to be solved urgently by technical personnel in the field at present.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a conveying bridge, which can increase the length of the conveying bridge on the premise of satisfying the transportation requirement.
Another object of the invention is to provide a belt conveyor comprising a conveyor bridge as described above.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a carry crane span structure, includes two at least crane span structure units, the crane span structure unit includes a plurality of welded connection's steel sheet, just the both ends of crane span structure unit length direction all are provided with the through-hole that is used for making the round pin axle pass through to make adjacent the crane span structure unit pass through round pin hub connection.
Preferably, the bridge unit comprises a left side plate assembly, a right side plate assembly and a connecting assembly for connecting the left side plate assembly and the right side plate assembly;
the left side plate assembly and the right side plate assembly are symmetrically arranged about a middle section of the bridge unit in the width direction.
Preferably, the left side plate assembly comprises a left side base body arranged in an H shape and a first reinforcing rib assembly which is connected with the left side base body and arranged in a triangular shape;
the right side board subassembly including be the right side base member that the H shape set up and with the right side base member is connected and is the second strengthening rib subassembly of triangle-shaped setting.
Preferably, the first bead assembly includes a first bead unit and a second bead unit, and the first bead unit and the second bead unit are symmetrically disposed with respect to a middle section in a length direction of the left base;
the second strengthening rib subassembly includes third strengthening rib unit and fourth strengthening rib unit, just third strengthening rib unit with the fourth strengthening rib unit is about the middle cross-section symmetry of the length direction of right side base member sets up.
Preferably, the left base body comprises a first left base body unit and a second left base body unit which are symmetrically arranged in relation to the width direction of the left base body, the first reinforcing rib assembly is arranged between the first left base body unit and the second left base body unit, and the first left base body unit and the second left base body unit are both connected with the first reinforcing rib assembly in a welding manner;
the right side base member includes about the first right side base member unit and the second right side base member unit that the width direction symmetry of right side base member set up, second strengthening rib subassembly set up in first right side base member unit with between the second right side base member unit, just first right side base member unit with second right side base member unit all with second strengthening rib subassembly welded connection.
Preferably, the through holes comprise first through holes arranged at two ends of the left side matrix in the length direction and second through holes arranged at two ends of the right side matrix in the length direction;
the central axis of the first through hole is vertical to the plane of the left base body, and the central axis of the second through hole is vertical to the plane of the right base body.
Preferably, coupling assembling includes the perpendicular to left side board subassembly with the first connecting pipe that right side board subassembly set up and the second connecting pipe that the slope set up, just first connecting pipe the second connecting pipe with left side board subassembly forms the triangle-shaped structure or first connecting pipe the second connecting pipe with right side board subassembly forms the triangle-shaped structure.
Preferably, the first connecting pipe and the second connecting pipe are both hollow pipes.
Preferably, the first connecting pipe comprises an end connecting pipe for connecting the ends of the left plate assembly and the right plate assembly in the length direction and a middle connecting pipe for connecting the middle positions of the left plate assembly and the right plate assembly in the length direction; and the second connecting pipe is arranged between the end part connecting pipe and the middle connecting pipe.
A belt conveyor comprises a conveying belt and the conveying bridge frame.
The invention provides a conveying bridge, which comprises at least two bridge units, wherein each bridge unit is formed by welding a plurality of steel plates, and through holes for enabling pin shafts to penetrate through are formed in two ends of each bridge unit in the length direction, so that adjacent bridge units are connected through the pin shafts.
Compared with the prior art, the bridge units are connected through the pin shafts, so that cracking of the connection part of the adjacent bridge units due to sudden stress change can be avoided, and the stability of the conveying bridge is improved; the bridge unit is formed by welding a plurality of steel plates, compared with the prior art in which section steel is used, the material of the steel plates is easier to obtain, and the strength of the bridge unit formed by welding the steel plates is higher; therefore, the conveying bridge provided by the invention can realize the connection among more bridge units on the premise of meeting the conveying requirement, so that the length of the conveying bridge is increased to meet the conveying requirement of long distance and high strength.
In addition, the invention also provides a belt conveyor comprising the conveying bridge.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a bridge unit according to an embodiment of the present invention;
FIG. 2 is a side elevational view of the bridge unit of FIG. 1;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
In FIGS. 1-3:
11 is a right base body, 12 is a second reinforcing rib assembly, 21 is a left base body, 22 is a first reinforcing rib assembly, 31 is an end connecting pipe, 32 is a middle connecting pipe, 33 is a second connecting pipe, and 4 is a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a conveying bridge frame which can meet the requirements of long-distance and high-strength conveying. Another core of the invention is to provide a belt conveyor comprising the conveying bridge.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of an embodiment of a bridge unit provided in the present invention; FIG. 2 is a side elevational view of the bridge unit of FIG. 1; fig. 3 is a partially enlarged view of a portion a in fig. 2.
The conveying bridge provided by the specific embodiment comprises at least two bridge units, wherein the bridge units are formed by welding a plurality of steel plates, and through holes 4 for enabling pin shafts to penetrate through are formed in the two ends of the bridge units in the length direction, so that the adjacent bridge units are connected through the pin shafts.
It should be noted that, in order to make the conveying bridge capable of meeting the requirement of long distance, it is preferable that two adjacent bridge units are connected end to end, and only one end of the bridge unit at the end is connected with the adjacent bridge unit, so that the conveying bridge is in a non-closed state, and the whole length of the conveying bridge is better extended.
Preferably, the shapes of the rulers of the bridges are the same, so that the production is convenient, the sizes of the through holes 4 for the pin shafts to pass through in all the bridge units in the same conveying bridge are the same, so that the assembly and the assembly are convenient, of course, the sizes of the through holes 4 for the pin shafts to pass through in different conveying bridges can be different, and the sizes need to be determined according to actual conditions, and are not described herein.
Compared with the prior art, the bridge units are connected through the pin shafts, so that cracking of the joints of the adjacent bridge units due to sudden stress change can be avoided, the stress of the joints of the adjacent bridge units is more uniform due to the arrangement of the pin shafts, and the stability of conveying bridges is improved; in addition, the bridge unit is formed by welding a plurality of steel plates, compared with the prior art in which section steel is used, the material of the steel plates is easier to obtain, so that the raw material is convenient and quick to take, and the strength of the bridge unit formed by welding the steel plates is higher; therefore, the conveying bridge provided by the invention can realize the connection among more bridge units on the premise of meeting the conveying requirement, so that the length of the conveying bridge is increased to meet the conveying requirement of long distance and high strength.
On the basis of the above embodiment, in order to further increase the stability of the bridge unit, the bridge unit may include a left plate assembly, a right plate assembly, and a connecting assembly connecting the left plate assembly and the right plate assembly; the left side plate assembly and the right side plate assembly are symmetrically arranged about a middle section of the bridge unit in the width direction.
The width direction of the bridge unit is the longitudinal direction of the end connection pipe 31 in fig. 1, and the longitudinal direction of the bridge unit is the longitudinal direction of the left plate assembly disposed in the horizontal H-shape in fig. 1.
The left side board assembly and the right side board assembly are symmetrically arranged, so that the stress of the bridge unit is more uniform, and the stability of the bridge unit is improved.
On the basis of the above embodiment, the left side plate assembly may include a left side base 21 arranged in an H shape and a first reinforcing rib assembly 22 connected to the left side base 21 and arranged in a triangular shape;
the right side board subassembly is including being the right side base member 11 of H shape setting and being connected with right side base member 11 and being the second strengthening rib subassembly 12 of triangle-shaped setting.
It should be noted that the first reinforcing rib assembly 22 may be a triangular structure, or may be two, three or more triangular structures, and the size and the included angle of each triangular structure in the first reinforcing rib assembly 22 may be the same or different; the second reinforcing rib component 12 may be a triangular structure, or may be two, three or more triangular structures, and the size and the included angle of each triangular structure in the second reinforcing rib component 12 may be the same or different; the determination is specifically determined according to the actual situation, and details are not described herein.
On the basis of the above embodiment, in order to further improve the stability and strength of the left and right side plate assemblies, the first bead assembly 22 may include a first bead unit and a second bead unit, and the first bead unit and the second bead unit may be symmetrically disposed with respect to the middle section in the longitudinal direction of the left base 21;
the second bead assembly 12 includes a third bead unit and a fourth bead unit, and the third bead unit and the fourth bead unit are symmetrically disposed about a middle section in the length direction of the right base 11.
As shown in fig. 1, the left base 21 is arranged in an H shape, the first reinforcing rib unit is arranged on the left half portion of the left base 21, and the second reinforcing rib unit is arranged on the right half portion of the left base 21; the right side base body 11 is H-shaped, the third reinforcing rib unit is arranged on the left half portion of the right side base body 11, and the fourth reinforcing rib unit is arranged on the right half portion of the right side base body 11.
It should be noted that the left base 21 and the right base 11, which are arranged in an H shape, may be of an integrated structure, or may be a combination formed by welding a plurality of steel plates, and preferably, the left base 21 may include a first middle plate and a second middle plate that are horizontally disposed, and a third middle plate, a fourth middle plate and a fifth middle plate that are vertically disposed, or of course, may also be other connection manners that meet the requirements, which is determined specifically according to the actual situation, and is not described herein again.
On the basis of the above embodiment, the left base 21 may include a first left base unit and a second left base unit symmetrically disposed with respect to the width direction of the left base 21, the first bead assembly 22 is disposed between the first left base unit and the second left base unit, and both the first left base unit and the second left base unit are welded to the first bead assembly 22;
right side base member 11 includes first right side base member unit and the second right side base member unit about the width direction symmetry setting of right side base member 11, and second strengthening rib subassembly 12 sets up between first right side base member unit and the second right side base member unit, and first right side base member unit and second right side base member unit all with second strengthening rib subassembly 12 welded connection.
As shown in fig. 1, the first left base unit and the second left base unit are both in a plate-shaped structure arranged in an H shape, the first reinforcing rib unit is welded between the first left base unit and the second left base unit, and the width direction of the left base 21 is a direction perpendicular to the plane of the left base 21; the first right side base body unit and the second right side base body unit are both plate-shaped structures which are arranged in an H shape, the second reinforcing rib unit is welded between the first right side base body unit and the second right side base body unit, and the width direction of the right side base body 11 is the direction perpendicular to the plane of the left side base body 21.
The first reinforcing rib assembly 22 is arranged between the first left base unit and the second left base unit, so that the structure of the left plate assembly is more stable; the second reinforcing rib assembly 12 is arranged between the first right base unit and the second right base unit, so that the structure of the left plate assembly is more stable.
On the basis of the above embodiment, the through holes 4 may include first through holes provided at both ends in the longitudinal direction of the left base 21 and second through holes provided at both ends in the longitudinal direction of the right base 11;
the central axis of the first through hole is perpendicular to the plane of the left base 21, and the central axis of the second through hole is perpendicular to the plane of the right base 11.
As shown in figure 1, the central axis direction of the first through hole is perpendicular to the plane of the left base body 21, and under the condition that the conveying bridge is under pressure, acting force can be directly transmitted through the pin shaft, so that the bearing capacity of the conveying bridge is improved, and the requirement of high-strength transportation is met.
Preferably, the number of the first through holes is four, and the first through holes are respectively provided at the end portions of the upper and lower beam structures of the H-shaped structure in the longitudinal direction of the H-shaped left base 21, and the number of the second through holes is also four, and the second through holes are respectively provided at the end portions of the upper and lower beam structures of the H-shaped structure in the longitudinal direction of the H-shaped right base 11.
Preferably, there may be reinforcing ribs of the upper and lower cross member structures connecting the left base 21 of the H-shaped structure in the first reinforcing rib assembly 22, so that the first reinforcing rib assembly 22 can form a stable triangular structure with the upper and lower cross members; the second reinforcing rib assembly 12 is provided with reinforcing ribs of an upper and lower beam structure connecting the right base 11 of the H-shaped structure, so that the second reinforcing rib assembly 12 can form a stable triangular structure with the upper and lower beams.
On the basis of the above embodiment, the connection assembly may include a first connection pipe disposed perpendicular to the left plate assembly and the right plate assembly and a second connection pipe 33 disposed obliquely, and the first connection pipe, the second connection pipe 33 and the left plate assembly or the first connection pipe, the second connection pipe 33 and the right plate assembly form a triangular structure.
As shown in fig. 1, the number of the first connection pipes is six, the first connection pipes are respectively disposed at two ends and in the middle of the left side plate assembly and the right side plate assembly in the length direction, and the number of the second connection pipes 33 is four.
Preferably, the first connection pipe and the second connection pipe 33 are both hollow pipes.
Of course, the cross sections of the first connecting pipe and the second connecting pipe 33 may be circular, square or other shapes meeting composite requirements, which are determined according to actual situations and are not described herein.
On the basis of the above-described embodiment, the first connection pipe may be made to include an end connection pipe 31 for connecting the longitudinal ends of the left and right plate assemblies and an intermediate connection pipe 32 for connecting the middle positions of the left and right plate assemblies in the longitudinal direction; and the second connection pipe 33 is disposed between the end connection pipe 31 and the middle connection pipe 32.
Preferably, the joint of the first bead assembly 22 and the left base 21 may be formed in a rectangular unit structure as shown in fig. 2 and 3.
In addition to the above-mentioned conveying bridge, the present invention further provides a belt conveyor including the conveying bridge disclosed in the above-mentioned embodiments, the belt conveyor includes a conveying belt and any one of the above-mentioned conveying bridges, and the structure of other parts of the belt conveyor refers to the prior art, and is not described herein again.
It should be noted that, in the present document, the first reinforcing rib assembly 22 and the second reinforcing rib assembly 12, the first reinforcing rib unit, the second reinforcing rib unit, the third reinforcing rib unit and the fourth reinforcing rib unit, the first left base unit and the second left base unit, the first right base unit and the second right base unit, the first through hole and the second through hole, and the first, the second, the third and the fourth in the first connecting pipe and the second connecting pipe 33 are only for distinguishing the difference of the positions, and are not sequentially distinguished.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The belt conveyor and the conveying bridge thereof provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The conveying bridge is characterized by comprising at least two bridge units, wherein each bridge unit comprises a plurality of steel plates which are connected in a welded mode, and through holes (4) used for enabling pin shafts to penetrate through are formed in the two ends of each bridge unit in the length direction, so that the adjacent bridge units are connected through the pin shafts.
2. The conveyor bridge of claim 1, wherein the bridge unit comprises a left side plate assembly, a right side plate assembly, and a connection assembly connecting the left side plate assembly and the right side plate assembly;
the left side plate assembly and the right side plate assembly are symmetrically arranged about a middle section of the bridge unit in the width direction.
3. The conveyor bridge according to claim 2, wherein said left side plate assembly comprises a left side base (21) arranged in an H-shape and a first reinforcement bar assembly (22) connected to said left side base (21) and arranged in a triangular shape;
the right side board subassembly including be right side base member (11) that the H shape set up and with right side base member (11) are connected and are second strengthening rib subassembly (12) of triangle-shaped setting.
4. The conveyor bridge according to claim 3, wherein the first rib assembly (22) comprises a first rib unit and a second rib unit, and the first rib unit and the second rib unit are symmetrically arranged with respect to a middle section in a length direction of the left base body (21);
the second reinforcing rib assembly (12) comprises a third reinforcing rib unit and a fourth reinforcing rib unit, and the third reinforcing rib unit and the fourth reinforcing rib unit are symmetrically arranged about the middle section of the right base body (11) in the length direction.
5. The transportation bridge according to claim 3, wherein the left base (21) comprises a first left base unit and a second left base unit symmetrically arranged with respect to the width direction of the left base (21), the first reinforcement bar assembly (22) is arranged between the first left base unit and the second left base unit, and the first left base unit and the second left base unit are both welded to the first reinforcement bar assembly (22);
right side base member (11) include about first right side base member unit and the second right side base member unit that the width direction symmetry of right side base member (11) set up, second strengthening rib subassembly (12) set up in first right side base member unit with between the second right side base member unit, just first right side base member unit with second right side base member unit all with second strengthening rib subassembly (12) welded connection.
6. The transportation bridge according to claim 3, wherein said through holes (4) comprise a first through hole provided at both longitudinal ends of said left base (21) and a second through hole provided at both longitudinal ends of said right base (11);
the central axis of the first through hole is vertical to the plane of the left base body (21), and the central axis of the second through hole is vertical to the plane of the right base body (11).
7. The transportation bridge according to any one of claims 2 to 6, wherein the connection assembly comprises a first connection pipe arranged perpendicular to the left plate assembly and the right plate assembly and a second connection pipe (33) arranged obliquely, and the first connection pipe, the second connection pipe (33) and the left plate assembly form a triangular structure or the first connection pipe, the second connection pipe (33) and the right plate assembly form a triangular structure.
8. The transport bridge according to claim 7, characterized in that said first and second connection pipes (33) are both hollow pipes.
9. The transportation bridge according to claim 7, wherein the first connecting pipe comprises an end connecting pipe (31) for connecting the left side plate assembly and the right side plate assembly at lengthwise ends thereof and a middle connecting pipe (32) for connecting the left side plate assembly and the right side plate assembly at a middle position in a lengthwise direction thereof; and the second connection pipe (33) is disposed between the end connection pipe (31) and the middle connection pipe (32).
10. A belt conveyor comprising a conveyor belt and a conveyor bridge as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010681132.0A CN111874533A (en) | 2020-07-15 | 2020-07-15 | Belt conveyor and conveying bridge thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010681132.0A CN111874533A (en) | 2020-07-15 | 2020-07-15 | Belt conveyor and conveying bridge thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111874533A true CN111874533A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010681132.0A Pending CN111874533A (en) | 2020-07-15 | 2020-07-15 | Belt conveyor and conveying bridge thereof |
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| CN (1) | CN111874533A (en) |
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Application publication date: 20201103 |