Return belt pressing carrier roller of belt conveyor

Abstract

The utility model relates to the technical field of auxiliary devices of belt conveyors, in particular to a return belt pressing carrier roller of a belt conveyor, which is characterized in that two hanging brackets are arranged, transverse plates of the two hanging brackets are fixedly connected onto a middle frame of the belt conveyor, a roller shaft is rotatably connected to the center of the carrier roller, and two end parts of the roller shaft extend out of the carrier roller; the two ends, extending out of the carrier roller, of the roller shaft are fixedly connected to the vertical plates of the two hanging brackets respectively, the carrier roller is connected to the top face of the return belt in a pressed mode, the vertical plates of the two hanging brackets are fixedly connected with supporting plates, and the supporting plates are supported at the ends, extending out of the carrier roller, of the roller shaft. The belt jumping problem is avoided; meanwhile, the carrier roller is supported by the supporting plate, so that the anti-falling device further has an anti-falling function, the phenomenon that the carrier roller is wound due to vertical fluctuation of the conveying belt is avoided, and the anti-falling device is reasonable in structural design, safe and reliable, solves the problem that the return belt of the arc section of the belt conveyor jumps away from the carrier roller, and has certain popularization value.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices for belt conveyors, and specifically relates to a pressure belt idler for the return belt of a belt conveyor. Background Technique

[0002] Belt conveyors are a kind of conveying machinery widely used in industries such as metallurgy, coal, and chemical industry, and have the advantages of large conveying capacity, simple structure, convenient maintenance, low cost, and strong versatility. Most of the bulk materials in the iron and steel industry are conveyed by belt conveyors, and the conveying line is relatively flexible and needs to climb and convey along with the existing site and process conditions.

[0003] For a climbing belt conveyor, the smoothness of receiving and discharging needs to be considered, and the belt conveyor will be designed into a horizontal receiving section, an arc section, and an inclined section. When the distance from the starting point of the arc section to the feed chute is less than 5 m, a pressure idler will be set between the feed chute and the starting point of the arc. However, the pressure idler can only solve the problem of the carrying belt jumping off the idler and cannot solve the problem of the return belt jumping off the idler, and this phenomenon is particularly obvious when the belt conveyor starts and stops, which is extremely likely to cause the conveyor belt to deviate, wear, and safety accidents. Content of the Utility Model

[0004] The purpose of the utility model is to provide a pressure belt idler for the return belt of a belt conveyor, which has a pressure belt function and an anti-falling function, enables the conveyor belt to closely adhere to the idler, avoids the problems of deviation or wear caused by the return belt jumping, and avoids the occurrence of safety accidents.

[0005] To achieve the above technical effects, a pressure belt idler for the return belt of a belt conveyor of the utility model includes an idler and a hanger. The hanger includes a vertical plate and a horizontal plate. One end of the vertical plate and one end of the horizontal plate are fixedly connected at a right angle. There are two hangers, and the two hangers are symmetrical. The horizontal plates of the two hangers are fixedly connected to the middle frame of the belt conveyor. The vertical plates of the two hangers extend downward. The center of the idler is rotationally connected with a roller shaft. Both ends of the roller shaft extend out of the idler. The two ends of the roller shaft extending out of the idler are respectively fixedly connected to the vertical plates of the two hangers. The idler is pressed against the top surface of the return belt.

[0006] Further, a support plate is fixedly connected to the vertical plates of the two hangers, and the support plate supports the end of the roller shaft extending out of the idler.

[0007] Further, clamping grooves are provided at both ends of the roller shaft extending out of the idler. A round hole for the idler and a waist-shaped hole for the clamping shaft are provided on the vertical plate. The round hole for the idler communicates with the waist-shaped hole for the clamping shaft. The waist-shaped hole for the clamping shaft is vertically arranged at the top of the round hole for the idler. The inner diameter of the round hole for the idler > the outer diameter of the idler. The clamping groove is clamped in the waist-shaped hole for the clamping shaft, and the top of the clamping groove abuts against the inner top of the waist-shaped hole for the clamping shaft. The inner top of the waist-shaped hole for the clamping shaft is arc-shaped.

[0008] Further, an arc groove is provided on the top surface of the support plate, and the arc groove supports the end of the roller shaft extending out of the idler.

[0009] Further, two through holes are provided on the pallet, and the two through holes are symmetrically centered on the arc groove. Two screw holes are provided on the vertical plate, and the two screw holes are symmetrically centered on the card shaft waist hole. The two through holes are respectively connected to the two screw holes by screws.

[0010] Further, two waist-shaped holes are provided on the cross plate, and the two waist-shaped holes are both connected to the intermediate frame of the belt conveyor by bolts. The intermediate frame of the belt conveyor is provided with holes for screw connection.

[0011] Further, the hanger includes a rib plate, and the rib plate is fixedly connected between the vertical plate and the cross plate.

[0012] The beneficial effects of the present utility model are as follows: There are two hangers, and the cross plates of the two hangers are both fixedly connected to the intermediate frame of the belt conveyor. The center of the idler is rotatably connected with a roller shaft, and both ends of the roller shaft extend out of the idler. The two ends of the roller shaft extending out of the idler are respectively fixedly connected to the vertical plates of the two hangers. The idler is pressed against the top surface of the return belt. The vertical plates of the two hangers are both fixedly connected with pallets, and the pallets support the ends of the roller shaft extending out of the idler. The present utility model forces the return conveyor belt to be pressed down, so that the conveyor belt is in the theoretical belt surface position and there is no problem of belt jumping; at the same time, the pallets support the idlers, so that the present utility model also needs to have an anti-falling function, avoiding the idlers from being involved due to the up and down fluctuations of the conveyor belt. The structure design of the present utility model is reasonable, safe and reliable, solves the problem of the return belt of the arc section of the belt conveyor jumping off the idler, and has a certain promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is the present utility model Figure 1 A-A sectional view;

[0015] Figure 3 is the present utility model Figure 2 B-B sectional view;

[0016] Figure 4 is a schematic structural diagram of the idler of the present utility model;

[0017] Figure 5 is a schematic structural diagram of the hanger of the present utility model;

[0018] Figure 6 is the present utility model Figure 5 View C;

[0019] Figure 7 is the present utility model Figure 5 View D;

[0020] Figure 8 This is a schematic diagram of the mechanism of the support plate of the present utility model.

[0021] In the figure: 1. idler; 101. roller shaft; 102. card slot; 2. hanger; 201. vertical plate; 202. horizontal plate; 203. rib plate; 204. idler round hole; 205. card shaft waist hole; 206. screw hole; 207. waist-shaped hole; 3. support plate; 301. arc groove; 302. through hole. Specific embodiments

[0022] As Figures 1-8 shown, a pressure belt idler for the return belt of a belt conveyor of the present utility model includes an idler 1 and a hanger 2. The hanger 2 includes a vertical plate 201 and a horizontal plate 202. One end of the vertical plate 201 and one end of the horizontal plate 202 are fixedly connected at a right angle. The hanger 2 includes a rib plate 203, and the rib plate 203 is fixedly connected between the vertical plate 201 and the horizontal plate 202. There are two hangers 2, and the two hangers 2 are symmetrical. The horizontal plates 202 of the two hangers 2 are both fixedly connected to the intermediate frame of the belt conveyor. There are two waist-shaped holes 207 on the horizontal plate 202, and the two waist-shaped holes 207 are both connected to the intermediate frame of the belt conveyor by bolts. There are holes for screw connection on the intermediate frame of the belt conveyor. The vertical plates 201 of the two hangers 2 extend downward. The center of the idler 1 is rotationally connected to a roller shaft 101. Both ends of the roller shaft 101 extend out of the idler 1. The two ends of the roller shaft 101 extending out of the idler 1 are respectively fixedly connected to the vertical plates 201 of the two hangers 2. The idler 1 is pressed against the top surface of the return belt. Card slots 102 are provided at both ends of the roller shaft 101 extending out of the idler 1. The vertical plate 201 is provided with an idler round hole 204 and a card shaft waist hole 205. The idler round hole 204 communicates with the card shaft waist hole 205. The card shaft waist hole 205 is vertically arranged at the top of the idler round hole 204. The inner diameter of the idler round hole 204 > the outer diameter of the idler 1. The card slot 102 is clamped in the card shaft waist hole 205. The top of the card slot 102 abuts against the inner top of the card shaft waist hole 205. The inner top of the card shaft waist hole 205 is arc-shaped.

[0023] Support plates 3 are fixedly connected to the vertical plates 201 of the two hangers 2. The support plates 3 support the ends of the roller shaft 101 extending out of the idler 1. An arc groove 301 is provided on the top surface of the support plate 3. The arc groove 301 supports the ends of the roller shaft 101 extending out of the idler 1.

[0024] Two through holes 302 are provided on the support plate 3. The two through holes 302 are symmetrical about the arc groove 301. Two screw holes 206 are provided on the vertical plate 201. The two screw holes 206 are symmetrical about the card shaft waist hole 205. The two through holes 302 are respectively connected to the two screw holes 206 by screws.

[0025] Two hanging brackets 2 are fixedly connected to the intermediate frame of the belt conveyor for supporting the idler 1. The setting of the kidney-shaped hole 207 facilitates precise adjustment of the position during installation. The idler 1 is a common standard rod, and finished products can be directly purchased. The setting of the idler round hole 204 and the clamping shaft kidney-shaped hole 205 facilitates the overall passage of the idler 1 through the idler round hole 204 during installation on the one hand, and ensures the fixed connection of the clamping shaft kidney-shaped hole 205 to the roller shaft 101 on the other hand.

[0026] The supporting plate 3 is fixedly connected to the vertical plate 201 to play a role in supporting the roller shaft 101, thereby preventing the idler 1 from falling.

[0027] The setting of the rib plate 203 effectively improves the structural strength of the vertical plate 201 and the horizontal plate 202.

[0028] The utility model is preferably arranged under the intermediate frame of the arc section of the belt conveyor. By forcibly pressing down the return conveyor belt, the conveyor belt is in the theoretical belt surface position, and the problem of belt jumping does not occur; at the same time, the idler 1 is supported by the supporting plate 3, so that the utility model also needs to have an anti-falling function, avoiding the idler being involved due to the up and down fluctuation of the conveyor belt.

Claims

1. A pressure belt idler for the return belt of a belt conveyor, characterized in that: It includes idlers (1) and hanging brackets (2). The hanging bracket (2) includes a vertical plate (201) and a horizontal plate (202). One end of the vertical plate (201) and one end of the horizontal plate (202) are fixedly connected at a right angle. There are two hanging brackets (2), and the two hanging brackets (2) are symmetrical. The horizontal plates (202) of the two hanging brackets (2) are both fixedly connected to the intermediate frame of the belt conveyor. The vertical plates (201) of the two hanging brackets (2) extend downward. The center of the idler (1) is rotationally connected with a roller shaft (101). Both ends of the roller shaft (101) extend out of the idler (1). The two ends of the roller shaft (101) extending out of the idler (1) are respectively fixedly connected to the vertical plates (201) of the two hanging brackets (2). The idler (1) is pressed against the top surface of the return belt.

2. The pressure belt idler for the return belt of a belt conveyor according to claim 1, characterized in that: Support plates (3) are fixedly connected to the vertical plates (201) of the two hanging brackets (2), and the support plates (3) support the ends of the roller shaft (101) extending out of the idler (1).

3. The pressure belt idler for the return belt of a belt conveyor according to claim 2, characterized in that: Chuck grooves (102) are provided at both ends of the roller shaft (101) extending out of the idler (1). A roller idler round hole (204) and a chuck shaft waist-shaped hole (205) are provided on the vertical plate (201). The roller idler round hole (204) communicates with the chuck shaft waist-shaped hole (205). The chuck shaft waist-shaped hole (205) is vertically provided at the top of the roller idler round hole (204). The inner diameter of the roller idler round hole (204) > the outer diameter of the idler (1). The chuck groove (102) is clamped in the chuck shaft waist-shaped hole (205). The top of the chuck groove (102) abuts against the inner top of the chuck shaft waist-shaped hole (205), and the inner top of the chuck shaft waist-shaped hole (205) is arc-shaped.

4. The pressure belt supporting roller for the return belt of a belt conveyor according to claim 3, characterized in that: An arc groove (301) is provided on the top surface of the support plate (3), and the arc groove (301) supports the end of the roller shaft (101) extending out of the idler (1).

5. The pressure belt idler for the return belt of a belt conveyor according to claim 4, characterized in that: Two through holes (302) are provided on the support plate (3), and the two through holes (302) are symmetrical about the arc groove (301). Two screw holes (206) are provided on the vertical plate (201), and the two screw holes (206) are symmetrical about the chuck shaft waist-shaped hole (205). The two through holes (302) are respectively connected to the two screw holes (206) by screws.

6. A pressure belt idler for the return belt of a belt conveyor according to any one of claims 1-5, characterized in that: Two waist-shaped holes (207) are provided on the horizontal plate (202), and the two waist-shaped holes (207) are both connected to the intermediate frame of the belt conveyor by bolts. The intermediate frame of the belt conveyor is provided with holes for screw connection.

7. A pressure belt idler for the return belt of a belt conveyor according to any one of claims 1-5, characterized in that: The hanging bracket (2) includes a rib plate (203), and the rib plate (203) is fixedly connected between the vertical plate (201) and the horizontal plate (202).

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