Speed regulating mechanism for telescopic conveyor

Abstract

The utility model discloses a speed regulating mechanism for a telescopic conveyor, which relates to the technical field of telescopic conveyors, and comprises a frame body, a rack of the telescopic conveyor is arranged on one side of the frame body, the frame body is mounted on one side of the rack, a rotating stand and a first transmission gear are rotatably connected to the inner wall of the frame body, and the rotating stand and the first transmission gear are rotatably connected to the inner wall of the frame body. A sliding gear is slidably connected to the interior of the frame body, a first inner gear ring and a second inner gear ring are fixedly connected to the inner wall of the rotating frame in a staggered mode, the sliding gear is in meshed connection with a first transmission gear, and the two sides of the first transmission gear are in transmission connection with the first inner gear ring and the sliding gear correspondingly; the sliding gear is connected with the second inner gear ring in a meshed mode. By setting the moving speed of the pressing roller, the pressing roller moves at a proper speed, so that the tightened conveying belt is gradually loosened, the loosening speed of the conveying belt is accurately controlled, and the stability and the reliability of the conveying equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to telescopic conveyor technical field, concretely is a kind of speed regulation mechanism for telescopic conveyor. BACKGROUND

[0002] Telescopic conveyor is a kind of can freely telescopic in length direction, controls the length of conveyor at any time. Bi-directional operation can be carried out to convey material, can be used with other conveying equipment and material sorting system, realizes the automation production of material in and out of warehouse or vehicle loading and unloading, and is widely used in various industries. It is commonly used for the crossheading transportation of fully mechanized coal mining face or high-grade general mining face, and can also be used for roadway excavation system.

[0003] After a large amount of retrieval, it is found that: China utility model patent column: the publication number CN219258517U discloses a telescopic belt conveying mechanism, comprising: rack; one end of the rack is provided with a driving roller, the other end of the rack is slidably provided with a mounting frame moving along the length direction of the rack, the mounting frame is provided with a driven roller, the driving roller and the driven roller are driven by a conveying belt, the rack is provided with a driving mechanism for driving the driving roller to rotate, the rack is provided with a telescopic mechanism for driving the mounting frame to move, the mounting frame is provided with a compression roller for pressing the conveying belt, the mounting frame is provided with a telescopic piece, the moving end of the telescopic piece is provided with a moving piece connected with the compression roller, to drive the compression roller to slide.

[0004] In the above scheme, although there are many benefits, but there are the following shortcomings: the device controls the telescopic speed of telescopic piece, so that moving piece and compression roller move at appropriate speed, so that the conveying belt is gradually relaxed, but the driving device for driving the compression roller to move does not set adjusting mechanism, so that the activity speed of compression roller cannot be accurately controlled, thus reducing the stability and reliability of conveying equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of speed regulation mechanism for telescopic conveyor, to solve the problem of low stability for telescopic conveyor currently used in prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of speed regulation mechanism for telescopic conveyor, including frame body, the frame body one side is provided with the rack of telescopic conveyor, the frame body is installed in one side of rack, rotatingly connected with first transmission gear on the inner wall of frame body and first gear ring, and slidingly connected with sliding gear in the inside of frame body, the inner wall of first gear ring is fixedly connected with the first inner tooth ring and the second inner tooth ring of misplacement, the sliding gear is engagedly connected with first transmission gear, the two sides of first transmission gear are respectively connected with first inner tooth ring and sliding gear transmission, the sliding gear is engagedly connected with second inner tooth ring, the one side of rotating support is fixedly connected with outer gear ring, rack is slidably connected with rack bar engagedly connected with outer gear ring on the frame body, the outer side of rack bar is slidably sleeved with two collars, and the collar is fixedly connected to one side of the frame body, the rack bar end is provided with belt pressing assembly, the frame body is provided with rotating mechanism for driving sliding gear rotation, and sliding mechanism for driving sliding gear sliding.

[0007] Preferably, the belt pressing assembly includes a moving frame and a press roller, the press roller is rotatably connected to one side of the moving frame, the moving frame is slidably connected to one side of the frame body, and one side of the moving frame is fixedly connected to the end of the rack bar.

[0008] Preferably, the frame body is rotatably connected with a second transmission gear, the second transmission gear is located on the side of the first transmission gear away from the sliding gear, and the two sides of the second transmission gear are respectively engagedly connected with the first transmission gear and the inner wall of the first inner tooth ring.

[0009] Preferably, the frame body is provided with two groups of first transmission gears and two groups of second transmission gears, and the two groups of first transmission gears and the two groups of second transmission gears are respectively located on the two sides of the sliding gear.

[0010] Preferably, the one side of the frame body is provided with three fixed rods, and the one side of the fixed rod is provided with a fixed port.

[0011] Preferably, the two sides of the frame body are provided with mounting plates, the rotating mechanism includes a cylinder fixedly connected to the upper part of the mounting plate, the telescopic end of the cylinder is fixedly connected with a moving plate, the one side of the moving plate is rotatably connected with a linkage shaft, and the sliding gear is fixedly sleeved on the outer side of the linkage shaft.

[0012] Preferably, a DC servo motor is installed on the mounting plate, the DC servo motor is located on the side of the frame body away from the cylinder, the movable end of the DC servo motor is fixedly connected with a connecting rod, the end of the linkage shaft is provided with a hexagonal groove, the movable end of the connecting rod is slidably connected in the hexagonal groove cavity of the end of the linkage shaft, the vertical section of the connecting rod is a hexagonal structure, the one side of the rack is provided with a controller, the DC servo motor is electrically connected with the controller, and the controller is electrically connected with a power supply.

[0013] Compared with the prior art, the utility model has the advantages of

[0014] 1、 This application through setting the moving speed of compression roller, so that the compression roller moves at appropriate speed, so that the tight conveyor belt gradually relaxes, realize the accurate control of the relaxation speed of the conveyor belt, improve the stability and reliability of the conveying equipment.

[0015] 2、 This application through setting the direct current servo motor and rack rod, thus instead of traditional cylinder ( telescopic spare) and so on structure, so as to realize the accurate control of the rotating speed by adjusting control parameter and power voltage, (such as: direct current servo motor can realize high-precision speed and position control through closed-loop control system), the adjustment accuracy of direct current servo motor is higher and faster, thus effectively improve the practicability and stability for telescopic conveyor. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view three-dimensional schematic diagram of the speed regulating mechanism for telescopic conveyor as a whole of the utility model;

[0017] Figure 2 It is a side view three-dimensional schematic diagram of the speed regulating mechanism for telescopic conveyor as a whole of the utility model;

[0018] Figure 3 It is a rotating frame three-dimensional schematic diagram of the speed regulating mechanism for telescopic conveyor of the utility model;

[0019] Figure 4 It is a frame body three-dimensional schematic diagram of the speed regulating mechanism for telescopic conveyor of the utility model;

[0020] Figure 5 It is a cooperation three-dimensional schematic diagram of the connecting rod and linkage shaft of the speed regulating mechanism for telescopic conveyor of the utility model.

[0021] Reference signs in the drawing: 1, frame body; 2, rotating frame; 3, first transmission gear; 4, sliding gear; 5, first inner tooth ring; 6, second inner tooth ring; 7, outer tooth ring; 8, rack rod; 9, cylinder; 10, moving plate; 11, linkage shaft; 12, direct current servo motor; 13, connecting rod; 14, moving frame; 15, compression roller; 16, second transmission gear; 17, fixed rod. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] As shown in Figure 1 - Figure 5 The utility model provides a kind of technical scheme for the speed regulating mechanism of telescopic conveyor, including frame body 1, the frame body 1 one side is provided with the rack of telescopic conveyor, frame body 1 is installed in the one side of rack, rotatingly connected with rotating frame 2 and first transmission gear 3 on the inner wall of frame body 1, and slidingly connected with sliding gear 4 in frame body 1, rotating frame 2 inner wall is fixedly connected with staggered first inner tooth ring 5 and second inner tooth ring 6, sliding gear 4 is engaged with first transmission gear 3, first transmission gear 3 two sides are respectively connected with first inner tooth ring 5 and sliding gear 4 transmission, sliding gear 4 is engaged with second inner tooth ring 6, the one side of rotating frame 2 is fixedly connected with outer tooth ring 7, rack bar 8 engaged with outer tooth ring 7 is slidingly connected on frame body 1, the outside of rack bar 8 is slidingly sleeved with two collars, and the one side of the collar fixedly connected in frame body 1, rack bar 8 end is provided with pressure belt assembly, frame body 1 is provided with rotating mechanism for driving sliding gear 4 rotation, and sliding mechanism for driving sliding gear 4 sliding;

[0024] Adjust sliding gear 4, so that sliding gear 4 is completely engaged with first transmission gear 3, sliding gear 4 is located in first inner tooth ring 5 at this time, and sliding gear 4 is not engaged with second inner tooth ring 6, by rotating sliding gear 4, sliding gear 4 is driven rotating frame 2 using first transmission gear 3;When adjusting sliding gear 4 to the inside of second inner tooth ring 6, sliding gear 4 is engaged with second inner tooth ring 6, and sliding gear 4 drives second inner tooth ring 6 to rotate, and second inner tooth ring 6 drives rotating frame 2 to rotate;Because the transmission effect of two kinds is different, so as to cause the rotating speed of rotating frame 2 to be different, so that the moving speed of compression roller 15 can be adjusted;

[0025] By rotating rotating frame 2, rotating frame 2 drives rack bar 8 to slide using outer tooth ring 7, and rack bar 8 drives compression roller 15 to move.

[0026] As shown in Figure 1 and Figure 2 The pressure belt assembly includes moving frame 14 and compression roller 15, and the compression roller 15 is rotatably connected to the one side of the moving frame 14, the moving frame 14 is slidingly connected to the one side of the frame body 1, and the one side of the moving frame 14 is fixedly connected with the end of the rack bar 8.

[0027] As shown in Figure 1 and Figure 4 The frame body 1 is rotatably connected with the second transmission gear 16, and the second transmission gear 16 is located on the side, away from the sliding gear 4, of the first transmission gear 3, and the second transmission gear 16 is engaged with the inner wall of the first transmission gear 3 and the first inner tooth ring 5 on both sides.

[0028] The sliding gear 4 drives the first transmission gear 3 to rotate, and the first transmission gear 3 drives the rotating frame 2 to rotate through the second transmission gear 16, so that the rotating direction of the rotating frame 2 is the same as the rotating direction of the sliding gear 4 driving the rotating frame 2 to rotate through the second inner gear ring 6.

[0029] As shown in Figure 1 and Figure 4 , the frame body 1 is provided with two groups of first transmission gears 3 and two groups of second transmission gears 16, and the two groups of first transmission gears 3 and the two groups of second transmission gears 16 are located on both sides of the sliding gear 4.

[0030] The two groups of first transmission gears 3 and the two groups of second transmission gears 16 arranged symmetrically can improve the stability of the rotating frame 2.

[0031] As shown in Figure 1 , Figure 2 and Figure 4 , one side of the frame body 1 is provided with three fixed rods 17, and the fixed rods 17 are provided with fixed holes on one side.

[0032] The frame body 1 is fixed on the rack by inserting bolts or screws into the fixed holes.

[0033] As shown in Figure 1 and Figure 2 , the frame body 1 is provided with mounting plates on both sides, and the rotating mechanism comprises a cylinder 9 fixedly connected to the upper part of the mounting plate, the telescopic end of the cylinder 9 is fixedly connected with a moving plate 10, one side of the moving plate 10 is rotatably connected with a linkage shaft 11, and the sliding gear 4 is fixedly sleeved on the outer side of the linkage shaft 11.

[0034] The linkage shaft 11 is driven to slide by the cylinder 9, and at this time the linkage shaft 11 drives the sliding gear 4 to slide from the corresponding position of the first transmission gear 3 to the corresponding position of the second inner gear ring 6, so that the speed can be adjusted.

[0035] As shown in Figure 1 , Figure 2 and Figure 5 , a DC servo motor 12 is mounted on the mounting plate, the DC servo motor 12 is located on the side of the frame body 1 away from the cylinder 9, the movable end of the DC servo motor 12 is fixedly connected with a connecting rod 13, a hexagonal groove is formed in the end of the linkage shaft 11, the movable end of the connecting rod 13 is slidably connected in the hexagonal groove cavity of the end of the linkage shaft 11, the vertical section of the connecting rod 13 is a hexagonal structure, a controller is mounted on one side of the rack, the DC servo motor 12 is electrically connected with the controller, and the controller is electrically connected with a power supply.

[0036] The connecting rod 13 is driven to rotate by the DC servo motor 12, and the linkage shaft 11 is driven to rotate by the connecting rod 13.

[0037] The adjustment mode of the DC servo motor 12: the DC servo motor 12 can realize accurate control of the rotating speed by adjusting the control parameters and the power supply voltage. For example, the DC servo motor 12 can realize high-precision speed and position control through a closed-loop control system;

[0038] The connection mode and use method of the controller and the DC servo motor 12 are prior art, and the mode of the controller controlling the speed of the DC servo motor 12 is also a prior art means, so the application does not make too much description;

[0039] The specific related structure of the rack and the compression roller 15, and the connection mode and use method of the related structure are all prior art, and specific description is made with reference to the corresponding structure and parts in a kind of telescopic belt conveying mechanism disclosed in CN219258517U, and the application does not make too much description.

[0040] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A speed regulating mechanism for a telescopic conveyor, comprising a frame (1), characterized in that: The frame (1) is rotatably connected to a rotating frame (2) and a first transmission gear (3), and a sliding gear (4) is slidably connected inside the frame (1). The rotating frame (2) is fixedly connected to a first internal gear ring (5) and a second internal gear ring (6) with a misalignment. The first transmission gear (3) is connected to the first internal gear ring (5) and the sliding gear (4) on both sides respectively. The sliding gear (4) is meshed with the second internal gear ring (6). An external gear ring (7) is fixedly connected to one side of the rotating frame (2). A rack rod (8) that meshes with the external gear ring (7) is slidably connected to the frame (1). A pressure belt assembly is provided at the end of the rack rod (8). The frame (1) is provided with a rotating mechanism that drives the sliding gear (4) to rotate and a sliding mechanism that drives the sliding gear (4) to slide.

2. The speed regulating mechanism for a telescopic conveyor according to claim 1, characterized in that: The pressing assembly includes a movable frame (14) and a pressure roller (15). The pressure roller (15) is rotatably connected to one side of the movable frame (14), and the movable frame (14) is slidably connected to one side of the frame body (1). One side of the movable frame (14) is fixedly connected to the end of the rack rod (8).

3. The speed regulating mechanism for a telescopic conveyor according to claim 2, characterized in that: The frame (1) is rotatably connected to a second transmission gear (16). The second transmission gear (16) is located on the side of the first transmission gear (3) away from the sliding gear (4). The two sides of the second transmission gear (16) are respectively meshed with the first transmission gear (3) and the inner wall of the first internal gear ring (5).

4. A speed regulating mechanism for a telescopic conveyor according to claim 3, characterized in that: The frame (1) is provided with two sets of first transmission gears (3) and two sets of second transmission gears (16), which are located on both sides of the sliding gear (4).

5. A speed regulating mechanism for a telescopic conveyor according to claim 4, characterized in that: Three fixing rods (17) are installed on one side of the frame (1), and a fixing opening is provided on one side of the fixing rods (17).

6. A speed regulating mechanism for a telescopic conveyor according to claim 1, characterized in that: The frame (1) has mounting plates on both sides. The rotating mechanism includes a cylinder (9) fixedly connected to the upper part of the mounting plate. The telescopic end of the cylinder (9) is fixedly connected to a moving plate (10). A linkage shaft (11) is rotatably connected to one side of the moving plate (10). The sliding gear (4) is fixedly sleeved on the outside of the linkage shaft (11).

7. A speed regulating mechanism for a telescopic conveyor according to claim 6, characterized in that: A DC servo motor (12) is mounted on the mounting plate. The DC servo motor (12) is located on the side of the frame (1) away from the cylinder (9). The movable end of the DC servo motor (12) is fixedly connected to a connecting rod (13). A hexagonal groove is opened at the end of the linkage shaft (11). The movable end of the connecting rod (13) is slidably connected to the cavity of the hexagonal groove at the end of the linkage shaft (11).

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