High-capacity horizontal belt storage bin device for continuous conveyor

Abstract

The utility model discloses a high-capacity horizontal belt storage bin device for a continuous conveyor, which comprises a fixed roller support assembly, a moving roller support assembly and eighteen turnabout rollers with the same diameter, and the fixed roller support assembly and the moving roller support assembly are symmetrically arranged. The fixed roller support assembly and the moving roller support assembly are each provided with nine turnabout rollers, an isosceles triangle distribution structure is formed on the fixed roller support assembly and the moving roller support assembly, and a conveying belt enters the moving roller support assembly from the bottom of the fixed roller support assembly. And then the belt passes through a plurality of turnabout rollers on the moving roller bracket assembly and the fixed roller bracket assembly in sequence, and finally is wound out from the upper part of the fixed roller bracket assembly, so that ten layers of storage belts are formed. According to the scheme, the technical problems existing in an existing belt storage bin for the fast tunnel tunneling matched continuous conveyor can be effectively solved, and the reliability of the belt storage bin for the fast tunnel tunneling matched continuous conveyor is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of belt conveyors, in particular to a large-capacity horizontal belt storage bin device for a TBM / shield rear supporting continuous conveyor. Background Art

[0002] The continuous conveyor behind TBM / shield machine is an important equipment in the construction of subway tunnels, water diversion projects, and mine tunnels. It has the characteristics of long transportation distance, large transportation volume, fast speed, no pollution, and high TBM / shield machine utilization rate. Therefore, the continuous conveyor behind TBM / shield machine is widely used in tunnel and tunnel excavation construction.

[0003] The basic principle of continuous conveyor is the same as that of belt conveyor behind conventional tunneling machine in coal mines. Both of them need to extend the belt conveyor body continuously as tunneling progresses. The main difference between the two lies in the capacity and structure of the belt storage bin.

[0004] The belt storage bin is a key component of the continuous conveyor, which is used to store the belt and realize the purpose of continuous conveying of the vulcanized belt. In order to meet the needs of rapid excavation and in the case of limited equipment installation space, a set of belt storage bin roller brackets with small structural dimensions and large belt storage capacity has become the focus of market demand.

[0005] See also Figure 1 It is a belt storage bin commonly used in tunnel (lane) rapid excavation supporting continuous conveyor, which is divided into fixed roller bracket and floating roller bracket. The belt storage bin adopts 10-layer winding method, and the storage length is generally 500m.

[0006] The existing fixed roller bracket and floating roller bracket of the horizontal belt storage bin are all triangular, such as Figure 1 This form mainly has the following problems:

[0007] First, the redirecting roller is arranged on the inclined surface of the triangular roller bracket, which will result in a longer roller bracket and occupy more space.

[0008] Secondly, since the pulley group on the traveling roller bracket is arranged at the lower part of the rightmost end, during the operation of the continuous conveyor, especially during the startup process, the tension of several layers of belts will produce a large overturning moment on the traveling roller bracket. The bending moment generated by the tensioning force cannot offset the overturning moment. The consequence is that the rear end of the traveling roller bracket will tilt up and the track wheel will leave the track, which is very likely to cause the traveling roller bracket to derail. If the machine is not stopped in time, it is easy to cause damage to the frame. In severe cases, it will cause the belt to tear, resulting in huge economic losses.

[0009] Therefore, in a Chinese patent with publication number "CN 201670516 U", "an efficient belt storage device" is disclosed, which arranges three equal-diameter redirecting rollers and one large-diameter roller on the belt storage steering device and the tensioning trolley respectively, wherein the three equal-diameter redirecting rollers are distributed in an isosceles triangle, the large-diameter redirecting roller is arranged on the center line of the isosceles triangle, and the eight redirecting rollers are wound with tape to form a six-layer belt storage form.

[0010] In this technical solution, by distributing three redirecting rollers of equal diameter in an isosceles triangle, the problem of arranging the redirecting roller on the inclined surface of the triangular roller bracket, which would cause the roller bracket to be long and occupy more space, is avoided. At the same time, this solution directly arranges the redirecting roller on the tensioning trolley, which has a more reasonable force and avoids the occurrence of malfunctions.

[0011] However, this solution is only applicable to the six-layer belt storage form. At the same time, the redirecting roller needs to be designed into two rollers with different diameters to meet the needs of reciprocating winding of the tape. This results in more specifications of the redirecting rollers, poor versatility, and an increase in the number of spare parts.

[0012] Therefore, the existing belt storage bins for continuous conveyors used in rapid tunnel (lane) excavation have low structural reliability due to the above-mentioned technical defects. It can be seen that how to improve the structural reliability of belt storage bins for continuous conveyors used in rapid tunnel (lane) excavation is a problem that needs to be solved in this field. Utility Model Content

[0013] In view of the technical problem that the existing belt storage bins for continuous conveyors supporting rapid tunnel excavation have low reliability, the purpose of the utility model is to provide a large-capacity horizontal belt storage bin device for continuous conveyors, which can effectively solve the technical problems existing in the existing belt storage bins for continuous conveyors supporting rapid tunnel excavation and improve the reliability of belt storage bins for continuous conveyors supporting rapid tunnel (lane) excavation.

[0014] In order to achieve the above-mentioned purpose, the utility model provides a large-capacity horizontal belt storage bin device for a continuous conveyor, which includes a fixed roller support assembly and a floating roller support assembly. The fixed roller support assembly and the floating roller support assembly are symmetrically arranged, and also include eighteen redirecting rollers with the same diameter. Nine redirecting rollers are respectively arranged on the fixed roller support assembly and the floating roller support assembly, and an isosceles triangle distribution structure is formed on the fixed roller support assembly and the floating roller support assembly. The conveyor belt enters the floating roller support assembly from the bottom of the fixed roller support assembly, and then passes through the floating roller support assembly and several redirecting rollers on the fixed roller support assembly in turn, and finally winds out from the top of the fixed roller support assembly to form ten layers of belt storage.

[0015] Furthermore, the fixed roller bracket assembly is provided with six installation areas, namely a first installation area, a second installation area, a third installation area, a fourth installation area, a fifth installation area and a sixth installation area, and the six installation areas are respectively provided with a first redirecting roller, a second redirecting roller, a third redirecting roller, a fourth redirecting roller, a fifth redirecting roller, a sixth redirecting roller, a seventh redirecting roller, an eighth redirecting roller and a ninth redirecting roller.

[0016] Further, the first redirect roller and the second redirect roller are symmetrically arranged on the first installation area, the third redirect roller and the fourth redirect roller are symmetrically arranged on the second installation area, and the distance between them is smaller than the distance between the first redirect roller and the second redirect roller, the fifth redirect roller and the sixth redirect roller are arranged on the third installation area, and the distance between them is smaller than the distance between the third redirect roller and the fourth redirect roller, the seventh redirect roller is arranged on the fourth installation area, and its height is lower than the fifth redirect roller and higher than the sixth redirect roller, the eighth redirect roller is arranged on the fifth installation area, and its height is lower than the fourth redirect roller and higher than the sixth redirect roller, and the ninth redirect roller is arranged on the sixth installation area, and its height is lower than the seventh redirect roller and higher than the eighth redirect roller.

[0017] Furthermore, the distribution structure of the plurality of redirecting rollers on the movable roller support assembly is the same as that of the fixed roller support assembly.

[0018] Furthermore, the movable roller support assembly is provided with a belt storage assembly for storing belts, and the belt storage assembly can drive the movable roller support assembly to move axially relative to the fixed roller support assembly.

[0019] Furthermore, the belt storage assembly includes a track, a track wheel, a first pulley group, a tensioning winch and a second pulley group. The track wheel is arranged at the bottom of the traveling roller support assembly and cooperates with the track. The traveling roller support assembly can move axially on the track relative to the fixed roller support assembly. The first pulley group is arranged at the rear end of the traveling roller support assembly, and the second pulley group is arranged on the tensioning winch. The wire rope is wound around the first pulley group and the second pulley group to connect the traveling roller support and the tensioning winch. The traveling roller support can move axially on the track under the traction of the tensioning winch to store the belt.

[0020] Furthermore, the first pulley block, the tensioning winch and the second pulley block are arranged on the center line of the traveling drum support assembly.

[0021] The utility model provides a large-capacity horizontal belt storage bin device for a continuous conveyor. Through reasonable structural design, the redirecting roller has only one specification, and under the condition of the same number of belt storage layers, the number of redirecting rollers is reduced by one, which has good versatility and saves costs, and is more convenient for roller spare parts management and maintenance.

[0022] At the same time, the tensioning pulley group of the traveling roller bracket is arranged on the center line of the traveling roller bracket, the force is more reasonable, the belt tension will not produce overturning moment, and the stable operation of the traveling roller bracket is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention is further described below in conjunction with the accompanying drawings and specific implementations.

[0024] Figure 1 Schematic diagram of the structure of the belt storage bin for the continuous conveyor used for rapid excavation of existing tunnels;

[0025] Figure 2 This is a schematic diagram of the structure of a large-capacity horizontal belt storage bin device for the continuous conveyor;

[0026] Figure 3 This is a front structural schematic diagram of a fixed roller bracket assembly in a large-capacity horizontal belt storage bin device for a continuous conveyor;

[0027] Figure 4 This is a top view of the structure of a fixed roller bracket assembly in a large-capacity horizontal belt storage bin device for a continuous conveyor;

[0028] Figure 5 This is a front structural schematic diagram of the movable roller bracket assembly in the large-capacity horizontal belt storage bin device for the continuous conveyor.

[0029] The following is a description of the components in the accompanying drawings:

[0030] 100. Fixed roller support assembly 111. First installation area 112. Second installation area 113. Third installation area 114. Fourth installation area 115. Fifth installation area 116. Sixth installation area 121. First redirecting roller 122. Second redirecting roller 123. Third redirecting roller 124. Fourth redirecting roller 125. Fifth redirecting roller 126. Sixth redirecting roller 127. Seventh redirecting roller 128. Eighth redirecting roller 129. Ninth redirecting roller 200. Traveling roller support assembly 310. Track 320. First pulley block 330. Second pulley block 340. Tensioning winch 350. Wire rope 360. Track wheel 400. Adhesive tape DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below with reference to specific illustrations.

[0032] In view of the technical problem that the existing belt storage bins for continuous conveyors supporting rapid tunnel excavation have low reliability, the purpose of the utility model is to provide a large-capacity horizontal belt storage bin device for continuous conveyors, which is suitable for continuous conveyors supporting rapid tunnel excavation of long distance tunnels (lanes). It can effectively solve the technical problems existing in the existing belt storage bins for continuous conveyors supporting rapid tunnel excavation and improve the reliability of belt storage bins for continuous conveyors supporting rapid tunnel (lane) excavation.

[0033] This solution provides a large-capacity horizontal belt storage bin device for continuous conveyors, see Figure 2 It includes a fixed roller support assembly 100 and a movable roller support assembly 200. The fixed roller support assembly 100 and the movable roller support assembly 200 are symmetrically arranged and are used to install a plurality of redirecting rollers.

[0034] See also Figure 3-Figure 4 The fixed roller support assembly 100 is fixedly arranged, and six installation areas are arranged on the fixed roller support assembly, namely, a first installation area 111, a second installation area 112, a third installation area 113, a fourth installation area 114, a fifth installation area 115 and a sixth installation area 116, and the six installation areas are used to install a plurality of redirecting rollers. In this solution, nine redirecting rollers are arranged on the fixed roller support assembly, and the nine redirecting rollers are respectively arranged on the six installation areas of the fixed roller support assembly.

[0035] The first installation area 111 is used to install a first redirecting roller 121 and a second redirecting roller 122 , and the first redirecting roller 121 and the second redirecting roller 122 are symmetrically arranged at two ends of the first installation area 111 .

[0036] The second installation area 112 is used to install the third redirecting roller 123 and the fourth redirecting roller 124, and the third redirecting roller 123 and the fourth redirecting roller 124 are symmetrically arranged at the two ends of the second installation area 112, wherein the height of the third redirecting roller 123 is lower than the first redirecting roller 121, the height of the fourth redirecting roller 124 is higher than the second redirecting roller 122, and the length between the third redirecting roller 123 and the fourth redirecting roller 124 is less than the length between the first redirecting roller 121 and the second redirecting roller 122.

[0037] The third installation area 113 is used to install the fifth redirecting roller 125 and the sixth redirecting roller 126. The fifth redirecting roller 125 and the sixth redirecting roller 126 are symmetrically arranged at both ends of the third installation area 113, wherein the height of the fifth redirecting roller 125 is lower than the third redirecting roller 123, the height of the sixth redirecting roller 126 is higher than the fourth redirecting roller 124, and the length between the fifth redirecting roller 125 and the sixth redirecting roller 126 is less than the length between the third redirecting roller 123 and the fourth redirecting roller 124.

[0038] The fourth installation area 114 is used to install the seventh redirecting roller 127 . The seventh redirecting roller 127 is disposed in the fourth installation area 114 , and its height is lower than the fifth redirecting roller 125 and higher than the sixth redirecting roller 126 .

[0039] The fifth installation area 115 is used to install the eighth redirecting roller 128 . The eighth redirecting roller 128 is disposed in the fifth installation area 115 , and its height is lower than the fourth redirecting roller 124 and higher than the sixth redirecting roller 126 .

[0040] The sixth installation area 116 is used to install a ninth redirecting roller 129 . The ninth redirecting roller 129 is disposed in the sixth installation area 116 , and its height is lower than the seventh redirecting roller 127 and higher than the eighth redirecting roller 128 .

[0041] The nine redirecting rollers are arranged on the fixed roller support assembly 100 in the above-mentioned structure, and are distributed on the fixed roller support assembly 100 to form an approximately isosceles triangle structure. Therefore, compared with the existing method of sequentially arranging several redirecting rollers on the inclined surface of the triangular roller support, which will occupy more space, the distribution structure of the approximately isosceles triangle structure in this solution is more compact, reducing the occupied space.

[0042] The movable roller support assembly 200 is arranged opposite to the fixed roller support assembly 100, see Figure 5 , which has the same structure as the fixed roller support assembly 100, and is respectively provided with six installation areas, and is matched with nine redirecting rollers, which are distributed thereon to form an approximately isosceles triangle structure.

[0043] Here, the distribution structure of the redirecting rollers on the movable roller support assembly 200 is the same as that of the fixed roller support assembly, and will not be described in detail here.

[0044] The fixed roller support assembly 100 and the floating roller support assembly 200 thus formed, the adhesive tape 400 first enters the floating roller support assembly 200 from the bottom of the fixed roller support assembly 100, then successively passes through the floating roller support assembly 200 and several redirecting rollers on the fixed roller support assembly 100, and finally winds out from the top of the fixed roller support assembly 100 to form 10 layers of storage tape.

[0045] Through this structural design, this solution has only one specification of redirecting rollers, and under the condition of the same number of belt storage layers, the number of redirecting rollers is reduced by one, which has good versatility and saves costs, and is more convenient for roller spare parts management and maintenance.

[0046] The movable roller support assembly 200 is equipped with a belt storage assembly, through which the belt storage assembly can realize the belt storage of the belt storage bin roller support of the belt conveyor. The belt storage assembly includes a track 310, a track wheel 360, a first pulley group 320, a tensioning winch 340 and a second pulley group 330.

[0047] The track wheel 360 is disposed at the bottom of the movable roller support assembly 200 and cooperates with the track 310 . The movable roller support assembly 200 can move axially relative to the fixed roller support assembly 100 on the track 310 .

[0048] The first pulley group 320 is arranged at the rear end of the traveling roller support assembly 200, and the second pulley group 330 is arranged on the tensioning winch 340. The wire rope 350 is connected to the traveling roller support assembly 200 and the tensioning winch 340 by winding around the first pulley group 320 and the second pulley group 330. The traveling roller support assembly 200 can move axially on the track 310 under the traction of the tensioning winch 340, thereby achieving the purpose of belt storage.

[0049] The tensioning pulley group of the traveling roller support assembly 200 of the present solution is arranged on the center line of the traveling roller support assembly 200. By arranging the first pulley group 320, the tensioning winch 340 and the second pulley group 330 on the center line of the traveling roller support assembly 200, the force is more reasonable, the belt tension will not produce overturning moment, and the stable operation of the traveling roller support assembly 200 is ensured.

[0050] The large-capacity horizontal belt storage bin device for continuous conveyors formed by the above scheme can effectively solve the technical problems existing in the existing belt storage bins for continuous conveyors for rapid tunnel excavation, and improve the reliability of belt storage bins for continuous conveyors for rapid tunnel (lane) excavation.

[0051] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A large-capacity horizontal belt storage bin device for a continuous conveyor, comprising a fixed roller support assembly and a movable roller support assembly, wherein the fixed roller support assembly and the movable roller support assembly are symmetrically arranged, characterized in that: It also includes eighteen redirecting rollers with the same diameter, nine redirecting rollers are respectively arranged on the fixed roller support assembly and the floating roller support assembly, and an isosceles triangle distribution structure is formed on the fixed roller support assembly and the floating roller support assembly. The conveyor belt enters the floating roller support assembly from the bottom of the fixed roller support assembly, and then passes through the floating roller support assembly and several redirecting rollers on the fixed roller support assembly in turn, and finally comes out from the top of the fixed roller support assembly to form ten layers of belt storage.

2. A large-capacity horizontal belt storage bin device for a continuous conveyor according to claim 1, characterized in that: The fixed roller bracket assembly is provided with six installation areas, namely the first installation area, the second installation area, the third installation area, the fourth installation area, the fifth installation area and the sixth installation area, and the six installation areas are respectively provided with a first redirecting roller, a second redirecting roller, a third redirecting roller, a fourth redirecting roller, a fifth redirecting roller, a sixth redirecting roller, a seventh redirecting roller, an eighth redirecting roller and a ninth redirecting roller.

3. A large-capacity horizontal belt storage bin device for a continuous conveyor according to claim 2, characterized in that: The first redirect roller and the second redirect roller are symmetrically arranged on the first installation area, the third redirect roller and the fourth redirect roller are symmetrically arranged on the second installation area, and the distance between them is smaller than the distance between the first redirect roller and the second redirect roller, the fifth redirect roller and the sixth redirect roller are arranged on the third installation area, and the distance between them is smaller than the distance between the third redirect roller and the fourth redirect roller, the seventh redirect roller is arranged on the fourth installation area, and its height is lower than the fifth redirect roller and higher than the sixth redirect roller, the eighth redirect roller is arranged on the fifth installation area, and its height is lower than the fourth redirect roller and higher than the sixth redirect roller, and the ninth redirect roller is arranged on the sixth installation area, and its height is lower than the seventh redirect roller and higher than the eighth redirect roller.

4. A large-capacity horizontal belt storage bin device for a continuous conveyor according to claim 1, characterized in that: The distribution structure of the plurality of redirecting rollers on the movable roller support assembly is the same as that of the fixed roller support assembly.

5. A large-capacity horizontal belt storage bin device for a continuous conveyor according to claim 1, characterized in that: The movable roller support assembly is equipped with a belt storage assembly for storing belts, and the belt storage assembly can drive the movable roller support assembly to move axially relative to the fixed roller support assembly.

6. A large-capacity horizontal belt storage bin device for a continuous conveyor according to claim 5, characterized in that: The belt storage assembly includes a track, a track wheel, a first pulley group, a tensioning winch and a second pulley group. The track wheel is arranged at the bottom of the traveling roller support assembly and cooperates with the track. The traveling roller support assembly can move axially on the track relative to the fixed roller support assembly. The first pulley group is arranged at the rear end of the traveling roller support assembly, and the second pulley group is arranged on the tensioning winch. The steel wire rope is wound around the first pulley group and the second pulley group to connect the traveling roller support and the tensioning winch. The traveling roller support can move axially on the track under the traction of the tensioning winch to store the belt.

7. A large-capacity horizontal belt storage bin device for a continuous conveyor according to claim 6, characterized in that: The first pulley block, the tensioning winch and the second pulley block are arranged on the center line of the traveling drum support assembly.

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