Belt storage bin layered idler system

Abstract

The present invention relates to a belt storage bin layered idler system, which includes two symmetrically arranged left idler groups and right idler groups. The left idler group includes an idler mounting frame, the idler mounting frame is vertically arranged, and a plurality of idler bodies are arranged in a line on the idler mounting frame. The idler body includes a through shaft arranged vertically, and a split idler is installed on the through shaft. The split idler includes a plurality of idler monomers arranged in a line. The present invention has the following beneficial effects: For the belt storage bin layered idler system of the present invention, there are two anti-pinch cylinders in total, namely the upper anti-pinch cylinder and the lower anti-pinch cylinder. The upper part of the upper anti-pinch cylinder is sleeved on the bottom of the upper idler, and the lower part is sleeved on the upper part of the middle idler and is welded to the middle idler; the upper part of the lower anti-pinch cylinder is sleeved on the upper part of the bottom idler, and the upper part is sleeved on the lower part of the middle idler and is welded to the middle idler, effectively solving the problem of squeezing the belt and realizing bidirectional rotation.

Description

Technical Field

[0001] The present invention relates to a layered idler system for a belt storage bin, belonging to the technical field of idlers. Background Art

[0002] In a retractable belt conveyor, within the storage bin, the requirement of storing the belt is achieved. The belt winds around multiple rollers back and forth within a certain distance, and there are multiple layers of belts moving towards each other within a certain vertical distance.

[0003] During actual installation, commissioning and operation, if the horizontal degree of the roller installation is insufficient, or the belt tension is insufficient, or affected by other force majeure, the belt is likely to deviate within the storage bin.

[0004] To solve the above problems, a layered idler system for a belt storage bin is provided. Summary of the Invention

[0005] Based on the above deficiencies in the prior art, the technical problem to be solved by the present invention is: to provide a layered idler system for a belt storage bin to solve one of the above problems.

[0006] The layered idler system for a belt storage bin according to the present invention is characterized in that: it includes two symmetrically arranged left idler groups and right idler groups. The left idler group includes an idler mounting frame, the idler mounting frame is vertically arranged, and a plurality of idler bodies are arranged in a line on the idler mounting frame. The idler body includes a vertical through-shaft, and a split idler is mounted on the through-shaft. The split idler includes a plurality of idler monomers arranged in a line.

[0007] Preferably, the left idler group and the right idler group have the same structure.

[0008] Preferably, the plurality of idler monomers are respectively an upper idler, a middle idler and a lower idler. There is 1 upper idler in total, 1 lower idler in total, and 1 middle idler in total.

[0009] Preferably, the upper idler has a central hole for the through-shaft to pass through. The through-shaft is inserted into the central hole of the upper idler, and the upper idler is welded to the through-shaft.

[0010] Preferably, the middle idler has a central hole for the through-shaft to pass through. The through-shaft is inserted into the central hole of the middle idler, and the through-shaft is rotatably connected to the middle idler. An anti-pinch cylinder is welded to each of the upper and lower ends of the middle idler.

[0011] Preferably, the lower idler has a central hole for the through-shaft to pass through. The through-shaft is inserted into the central hole of the lower idler, and the lower idler is welded to the through-shaft.

[0012] Preferably, there are two anti-pinch cylinders, namely the upper anti-pinch cylinder and the lower anti-pinch cylinder. The upper part of the upper anti-pinch cylinder is sleeved on the bottom of the upper layer idler, and the lower part is sleeved on the upper part of the middle layer idler and is welded to the middle layer idler; the upper part of the lower anti-pinch cylinder is sleeved on the upper part of the bottom layer idler, and the upper part is sleeved on the lower part of the middle layer idler and is welded to the middle layer idler.

[0013] Preferably, a bearing is installed at the center of the middle layer idler, and the inner ring of the bearing is sleeved on the through shaft.

[0014] Preferably, end connectors are provided at both ends of the through shaft. The end connectors include U-shaped connection cards. A sleeve is welded to the bottom plate of the U-shaped connection card. The end of the through shaft is inserted into the sleeve and is connected to the bottom plate of the U-shaped connection card through a shaft connection bolt. Connection end plates A and B are integrally formed at the tops of the two side plates of the U-shaped connection card respectively. A countersunk hole for the shaft connection bolt to pass through is provided on the U-shaped connection card. Bolt through holes for the end plate connection bolts to pass through are provided on the connection end plates A and B. There are multiple square steel cross bars on the idler mounting frame. Adjacent U-shaped connection cards are buckled on the square steel cross bars and are connected together through end plate connection bolts.

[0015] Preferably, an ordinary triple idler is modified to make the upper layer idler, the middle layer idler and the bottom layer idler;

[0016] The upper layer idler, the middle layer idler and the bottom layer idler are all installed on a through shaft to form a three-section split idler;

[0017] There are two anti-pinch cylinders in total, namely the upper anti-pinch cylinder and the lower anti-pinch cylinder. The upper part of the upper anti-pinch cylinder is sleeved on the bottom of the upper layer idler, and the lower part is sleeved on the upper part of the middle layer idler and is welded to the middle layer idler; the upper part of the lower anti-pinch cylinder is sleeved on the upper part of the bottom layer idler, and the upper part is sleeved on the lower part of the middle layer idler and is welded to the middle layer idler;

[0018] The through shaft is installed on the square steel cross bar through an end connector;

[0019] The square steel cross bar is fixed on the idler mounting frame.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] In the belt storage bin layered idler system of the present invention, there are two anti-pinch cylinders in total, namely the upper anti-pinch cylinder and the lower anti-pinch cylinder. The upper part of the upper anti-pinch cylinder is sleeved on the bottom of the upper layer idler, and the lower part is sleeved on the upper part of the middle layer idler and is welded to the middle layer idler; the upper part of the lower anti-pinch cylinder is sleeved on the upper part of the bottom layer idler, and the upper part is sleeved on the lower part of the middle layer idler and is welded to the middle layer idler, which effectively solves the problem of squeezing the belt and also realizes bidirectional rotation.

[0022] During the use in our mine, the time for the belt to shrink by 1m can be reduced by about 10 minutes on average. Meanwhile, the fuzzing caused by belt wear has been significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0024] Figure 1 is a schematic structural diagram of the present invention;

[0025] Figure 2 is a schematic structural view of the idler body Figure 1 ;

[0026] Figure 3 is a schematic structural view of the idler body Figure 2 ;

[0027] Figure 4 is a schematic structural diagram of the connecting member.

[0028] In the figure: 1. Split idler, 1.1 Upper idler, 1.2 Middle idler, 1.3 Lower idler, 2. Through shaft, 3. Anti-pinch cylinder, 4. Idler mounting bracket, 6. Sleeve, 7. Shaft connection bolt, 8. Connection end plate A, 9. Connection end plate B, 10. Countersunk hole, 11. End plate connection bolt, 12. Square steel cross bar, 13. Belt. SPECIFIC EMBODIMENTS

[0029] The following further describes the present invention with reference to the drawings:

[0030] The following further illustrates the present invention through specific embodiments, but is not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

[0031] Example 1, as Figures 1-4 shown, the belt storage bin layered idler system includes two symmetrically arranged left idler groups and right idler groups. The left idler group includes an idler mounting bracket 4, the idler mounting bracket 4 is vertically arranged, and a plurality of idler bodies are arranged in a row on the idler mounting bracket 4. The idler body includes a vertically arranged through shaft 2, and a split idler 1 is mounted on the through shaft 2. The split idler 1 includes a plurality of idler monomers arranged in a row.

[0032] In this embodiment, the left idler group and the right idler group have the same structure; the multiple idler monomers are respectively an upper idler, a middle idler and a lower idler. There is 1 upper idler in total, 1 lower idler in total, and 1 middle idler in total; the center of the upper idler 1.1 has a central hole for the through-shaft 2 to pass through. The through-shaft 2 is inserted into the central hole of the upper idler 1.1, and the upper idler 1.1 is welded to the through-shaft 2; the center of the middle idler 1.2 has a central hole for the through-shaft 2 to pass through. The through-shaft 2 is inserted into the central hole of the middle idler 1.2, and the through-shaft 2 is rotatably connected to the middle idler 1.2. One anti-pinch cylinder 3 is welded to each of the upper and lower ends of the middle idler 1.2; the center of the lower idler has a central hole for the through-shaft 2 to pass through. The through-shaft 2 is inserted into the central hole of the lower idler 1.3, and the lower idler 1.3 is welded to the through-shaft 2; there are two anti-pinch cylinders 3 in total, namely an upper anti-pinch cylinder and a lower anti-pinch cylinder. The upper part of the upper anti-pinch cylinder is sleeved on the bottom of the upper idler 1.1, and the lower part is sleeved on the upper part of the middle idler 1.2 and is welded to the middle idler 1.2; the upper part of the lower anti-pinch cylinder is sleeved on the upper part of the lower idler 1.3, and the upper part is sleeved on the lower part of the middle idler 1.2 and is welded to the middle idler 1.2; a bearing is installed in the center of the middle idler 1.2, and the inner ring of the bearing is sleeved on the through-shaft 2; end connectors are provided at both ends of the through-shaft 2. The end connector includes a U-shaped connection clip. A sleeve 6 is welded to the bottom plate of the U-shaped connection clip. The end of the through-shaft 2 is inserted into the sleeve 6 and is connected to the bottom plate of the U-shaped connection clip through a shaft connection bolt 7. Connection end plates A8 and connection end plates B9 are integrally formed at the tops of the two side plates of the U-shaped connection clip respectively. A countersunk hole 10 for the shaft connection bolt 7 to pass through is provided on the U-shaped connection clip. Bolt through-holes for end plate connection bolts 11 to pass through are provided on the connection end plates A8 and connection end plates B9. There are multiple square steel crossbars 12 on the idler mounting bracket 4. Adjacent U-shaped connection clips are snapped onto the square steel crossbars 12 and are connected together through end plate connection bolts 11.

[0033] By modifying ordinary triple idlers, upper idlers, middle idlers and lower idlers are made; the upper idler, the middle idler and the lower idler are all installed on a through-shaft 2 to form a three-section split idler; there are two anti-pinch cylinders 3 in total, namely an upper anti-pinch cylinder and a lower anti-pinch cylinder. The upper part of the upper anti-pinch cylinder is sleeved on the bottom of the upper idler 1.1, and the lower part is sleeved on the upper part of the middle idler 1.2 and is welded to the middle idler 1.2; the upper part of the lower anti-pinch cylinder is sleeved on the upper part of the lower idler 1.3, and the upper part is sleeved on the lower part of the middle idler 1.2 and is welded to the middle idler 1.2; the through-shaft 2 is installed on the square steel crossbar 12 through an end connector; the square steel crossbar 12 is fixed on the idler mounting bracket 4.

[0034] Working principle of the present invention: A belt storage bin layered idler system and a telescopic belt conveyor are used in cooperation in the storage bin. When the belt deviates, it contacts the idlers, which can effectively solve the problem of belt deviation in the storage bin and also reduce belt wear.

[0035] End connectors are provided at both ends of the through-shaft. The end connectors include U-shaped connecting clips. A sleeve is welded to the bottom plate of the U-shaped connecting clip. The end of the through-shaft is inserted into the sleeve and connected to the bottom plate of the U-shaped connecting clip through shaft connecting bolts. Connecting end plate A and connecting end plate B are integrally formed at the tops of the two side plates of the U-shaped connecting clip respectively. A countersunk hole for the shaft connecting bolt to pass through is provided on the U-shaped connecting clip. Bolt through-holes for end plate connecting bolts to pass through are provided on the connecting end plate A and the connecting end plate B. There are multiple square steel cross bars on the idler mounting frame. Adjacent two U-shaped connecting clips are buckled on the square steel cross bars and connected together through end plate connecting bolts, making the installation more convenient.

[0036] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A belt storage bin layered idler system, characterized in that: It includes a left idler group and a right idler group which are symmetrically arranged. The left idler group includes an idler mounting frame (4). The idler mounting frame (4) is vertically arranged, and a plurality of idler bodies are arranged in a line on the idler mounting frame (4). The idler body includes a vertical through shaft (2). A split idler (1) is mounted on the through shaft (2). The split idler (1) includes a plurality of idler monomers arranged in a line. The plurality of idler monomers are respectively an upper idler, a middle idler, and a lower idler. There is 1 upper idler in total, 1 lower idler in total, and 1 middle idler in total. The upper idler (1.1) has a central hole for the through shaft (2) to pass through. The through shaft (2) is inserted into the central hole of the upper idler (1.1), and the upper idler (1.1) is welded to the through shaft (2). The middle idler (1.2) has a central hole for the through shaft (2) to pass through. The through shaft (2) is inserted into the central hole of the middle idler (1.2), and the through shaft (2) is rotatably connected to the middle idler (1.2). A clamping prevention cylinder (3) is welded to each of the upper and lower ends of the middle idler (1.2). The lower idler has a central hole for the through shaft (2) to pass through. The through shaft (2) is inserted into the central hole of the lower idler (1.3), and the lower idler (1.3) is welded to the through shaft (2). There are two clamping prevention cylinders (3) in total, namely an upper clamping prevention cylinder and a lower clamping prevention cylinder. The upper part of the upper clamping prevention cylinder is sleeved on the bottom of the upper idler (1.1), and the lower part is sleeved on the upper part of the middle idler (1.2) and is welded to the middle idler (1.2); the upper part of the lower clamping prevention cylinder is sleeved on the upper part of the lower idler (1.3), and the upper part is sleeved on the lower part of the middle idler (1.2) and is welded to the middle idler (1.2). End connectors are arranged at both ends of the through shaft (2). The end connector includes a U-shaped connection clip. A sleeve (6) is welded to the bottom plate of the U-shaped connection clip. The end of the through shaft (2) is inserted into the sleeve (6) and is connected to the bottom plate of the U-shaped connection clip through a shaft connection bolt (7). Connection end plates A (8) and connection end plates B (9) are integrally formed at the tops of the two side plates of the U-shaped connection clip respectively. A countersunk hole (10) for the shaft connection bolt (7) to pass through is formed in the U-shaped connection clip. Bolt through holes for a end plate connection bolt (11) to pass through are formed in the connection end plates A (8) and connection end plates B (9). The idler mounting frame (4) has a plurality of square steel cross bars (12). Adjacent two U-shaped connection clips are buckled on the square steel cross bar (12) and are connected together through the end plate connection bolt (11).

2. The belt storage bin layered idler system according to claim 1, wherein: The left idler group and the right idler group have the same structure.

3. The belt storage bin layered idler system according to claim 2, wherein: A bearing is installed in the center of the middle idler (1.2), and the inner ring of the bearing is sleeved on the through shaft (2).

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