Belt anti-floating device of belt conveyor

Abstract

The utility model relates to the technical field of belt conveyors, and particularly discloses a belt conveyor belt anti-floating device which comprises a device body and a carrier roller. The device further comprises two movable frame bodies, and each movable frame body is provided with a belt pressing assembly. The device body comprises a rack, a first transverse rod and a second transverse rod, wherein the first transverse rod and the second transverse rod are installed on the rack. The movable frame body comprises a movable frame in sliding fit with the first cross rod, a vertical rod of the movable frame is rotationally connected with a lead screw, the lead screw is in threaded connection with a second cross rod, and a limiting roller is rotationally installed on the side, extending to the position between the two sets of carrier rollers, of the movable frame; the limiting rollers restrain transverse deviation of the belt, the universal wheels restrain longitudinal fluctuation of the belt through elastic pressing force of the spring pieces, the pressing force is dynamically adjusted, and abrasion caused by too large pressure or failure caused by insufficient pressure is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a belt conveyor technical field, concretely is a kind of belt conveyor anti-belt device. BACKGROUND

[0002] Material in conveying process due to the large inclination of belt conveyor system belt, the inertia of conveying belt when starting causes the phenomenon of floating belt, causes deviation, rack leg tremor, scattering material and other problems, need to be solved by fixed rack leg and installation pressure belt device.The existing pressure belt device is mostly rigidly fixed installation, cannot dynamically adjust the pressing position and pressure according to the width of belt, tension or working condition change.

[0003] For example, the existing patent announcement No.CN214731855U discloses a belt conveyor pressure belt device, which comprises a rack, a lifting mechanism and a pressure belt wheel.The pressure belt wheel comprises a wheel body and a wear-resistant layer, the wear-resistant layer is covered on the wheel body, the wheel shaft of the wheel body is connected with the lifting mechanism at both ends respectively, the other end of the lifting mechanism is connected to the rack below, and the rack is detachably connected to the rack of the conveyor.The pressure belt wheel is suspended below the rack by the lifting mechanism, and there is no connecting material between the two pressure belt wheels, so as to avoid affecting the passing of materials.On the other hand, the wear-resistant layer is provided outside the pressure belt wheel, which is more beneficial to protect the belt and reduce the wear of the belt.

[0004] In the above-mentioned pressure belt device, the pressure belt wheel is suspended below the rack by the lifting mechanism, and when the belt deviates or different width belt is replaced, the position of single pressure belt wheel needs to be adjusted manually, and the pressure is rigid, which leads to unstable anti-belt effect, high maintenance cost and difficulty in adapting to complex and changeable working conditions.For the above problems, a belt conveyor anti-belt device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of belt conveyor anti-belt device to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of belt conveyor anti-belt device, comprising device main body and carrier roller;Further comprising two groups of moving frame body, each group of moving frame body is installed with a group of pressure belt assembly;

[0008] Wherein, the device main body includes rack, first cross bar and second cross bar installed on the rack;

[0009] The moving frame body includes moving frame that is slidably connected with the first cross bar, the moving frame is rotatably connected with lead screw on vertical pole, the lead screw is threadedly connected with the second cross bar, and the moving frame is rotatably installed with limiting roller on one side between the two groups of carrier rollers;

[0010] The pressing belt assembly comprises a mounting rod slidingly mounted on a moving frame, a fixing member for fixing the sliding position of the mounting rod up and down is mounted on the moving frame, a spring member is connected between the bottom of the mounting rod and a sliding rod, and a universal wheel is mounted at the bottom of the sliding rod.

[0011] In an alternative, a sliding hole for the horizontal rod of the moving frame to slide is arranged on the first horizontal rod, a threaded hole matched with the screw rod is arranged on the second horizontal rod, an annular groove matched with the moving frame is arranged on the screw rod, the screw rod is connected with a rotating disc at one end, and the first horizontal rod is arranged at the top and the bottom of the second horizontal rod.

[0012] In an alternative, a guide rod is connected to the top of the frame, a reinforcing rod is connected to the top of the moving frame, and a sliding groove for the end of the reinforcing rod to slide is arranged at the bottom of the guide rod.

[0013] In an alternative, the fixing member comprises a mounting sleeve fixedly connected to the top of the moving frame and a mounting bolt threadedly connected to the mounting sleeve, and a plurality of insertion holes matched with the mounting bolt are arranged on the side wall of the mounting rod.

[0014] In an alternative, the spring member comprises a spring connected to the top of the sliding rod, a floating groove for the sliding rod to slide is arranged at the bottom of the mounting rod, and the top end of the spring is connected to the inner wall at the top of the floating groove.

[0015] In an alternative, the universal wheel is arranged on the side of the limiting roller away from the screw rod.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] In the utility model, the horizontal distance between the two moving frame bodies is adjusted by rotating the screw rod according to the width of the belt, the limiting roller is close to the two side edges of the belt, the limiting roller restricts the horizontal deviation of the belt when the belt is running, the universal wheel suppresses the vertical fluctuation of the belt through the elastic compression force of the spring member, the compression force is dynamically adjusted, the excessive wear caused by excessive compression force or the failure caused by insufficient compression force is avoided, the height of the mounting rod can also be adjusted according to the thickness of the belt, the limiting roller and the universal wheel form double restrictions, the horizontal deviation is limited and the vertical fluctuation is suppressed, the excessive fluctuation is avoided, and the practicability of the anti-belt floating device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The figure is a structural schematic view of the utility model.

[0019] Figure 2 The figure is a structural schematic view of the device main body and the carrier roller in the utility model.

[0020] Figure 3 The figure is a structural schematic view of the moving frame, the limiting roller and the pressing belt assembly in the utility model.

[0021] Figure 4 It is a structural schematic view of the pressure belt assembly in the utility model.

[0022] In the figure: 1, device main body; 2, carrier roller; 3, moving frame body; 4, limiting roller; 5, pressure belt assembly; 11, rack; 12, guide rod; 13, first cross bar; 14, sliding hole; 15, second cross bar; 16, threaded hole; 31, moving frame; 32, reinforcing rod; 33, lead screw; 34, turntable; 51, mounting rod; 52, mounting sleeve; 53, mounting bolt; 54, sliding rod; 55, spring; 56, universal wheel. DETAILED DESCRIPTION

[0023] In the utility model, unless another explicit provision and limitation, the terms "installation", "connection", "connecting", "fixing" and the like terms should be broad sense, for example, can be fixed connection, can be detachable connection, or integrated; can be mechanical connection, can be electrical connection; can be directly connected, can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements, unless another explicit limitation. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a 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 ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-4 In the embodiment, a belt conveyor anti-belt floating device, including device main body 1 and carrier roller 2, still including two groups of moving frame body 3, each group of moving frame body 3 is installed with a group of pressure belt assembly 5;

[0026] Wherein, the device main body 1 includes rack 11, first cross bar 13 and second cross bar 15 installed on the rack 11;

[0027] The moving frame body 3 includes the moving frame 31 of the first cross bar 13 sliding fit, the moving frame 31 vertical pole is rotatably connected with the lead screw 33, the lead screw 33 is threadedly connected with the second cross bar 15, and the moving frame 31 is rotatably installed with limiting roller 4 between the two groups of carrier roller 2 on one side;

[0028] The pressing belt assembly 5 comprises a mounting rod 51 slidingly mounted on a moving frame 31, a fixing member is mounted on the moving frame 31 for fixing the up-down sliding position of the mounting rod 51, the bottom of the mounting rod 51 is connected with a slide rod 54 through a spring member, and the bottom of the slide rod 54 is provided with a universal wheel 56;

[0029] According to the width of the belt, the rotating lead screw 33 adjusts the transverse spacing of the two groups of moving frame bodies 3, so that the limiting rollers 4 are close to the two side edges of the belt, when the belt runs, the limiting rollers 4 constrain the transverse deviation of the belt, the universal wheel 56 suppresses the longitudinal fluctuation of the belt through the elastic compression force of the spring member, dynamically adjusts the compression force, avoids the wear caused by excessive compression force or the failure caused by insufficient compression force, and the height of the mounting rod 51 can also be adjusted according to the thickness of the belt.

[0030] Please refer to Figure 2 , the first cross bar 13 is provided with a sliding hole 14 for the cross bar sliding of the moving frame 31, the second cross bar 15 is provided with a threaded hole 16 matched with the threaded hole of the lead screw 33, the lead screw 33 is provided with an annular groove matched with the rotating of the moving frame 31, one end of the lead screw 33 is connected with a rotating disc 34, and the top and bottom of the second cross bar 15 are provided with the first cross bar 13;

[0031] Specifically, the sliding adjustment along the transverse direction (i.e. perpendicular to the running direction of the belt) of the moving frame 31 and the sliding hole 14 of the first cross bar 13 is realized, and the moving frame 31 is pushed to move transversely through the rotating lead screw 33, so as to adjust the spacing between the two groups of limiting rollers 4.

[0032] The transverse position of the pressing belt assembly 5 is flexibly adjusted to adapt to different belt widths or deviation working conditions.

[0033] Please refer to Figure 2 and Figure 3 , the rack 11 is connected with a guide rod 12 at the top, the moving frame 31 is connected with a reinforcing rod 32 at the top, and the bottom of the guide rod 12 is provided with a sliding groove for the sliding of the end of the reinforcing rod 32;

[0034] Specifically, the reinforcing rod 32 at the top of the moving frame 31 slides along the sliding groove of the guide rod 12, so as to enhance the stability of the moving frame 3 during the transverse adjustment, and the guide rod 12 and the reinforcing rod 32 form an auxiliary guide structure to ensure the horizontal movement of the moving frame 3.

[0035] Please refer to Figure 3 , the fixing member comprises a mounting sleeve 52 fixedly connected to the top of the moving frame 31 and a mounting bolt 53 threadedly connected to the mounting sleeve 52, and the side wall of the mounting rod 51 is provided with a plurality of insertion holes matched with the mounting bolt 53;

[0036] Specific, mounting rod 51 through the hole and mounting bolt 53 cooperation, up and down sliding adjustment mounting rod 51 height, then, through the mounting bolt 53 fixed, adapt to different belt thickness or tension requirements.

[0037] Please refer to Figure 4 , the spring piece includes spring 55, the spring 55 is connected at the top of the slide rod 54, the bottom of the mounting rod 51 is provided with a floating groove for the slide rod 54 sliding, the top end of the spring 55 is connected to the inner wall of the floating groove top;

[0038] Specific, limit roller 4 is installed in the moving frame 31 extending to the side between the carrier roller 2, for limiting the lateral displacement of the belt, the belt pressing assembly 5 is in contact with the surface of the belt through the universal wheel 56, the spring 55 provides the downward pressure, and the floating groove of the slide rod 54 is realized. In actual setting, the spring 55 is selected to be small in length, which can be adjusted in a certain range, mainly to reduce the hard friction and reduce the wear of the belt.

[0039] Limit roller 4 and universal wheel 56 form double constraint, which limits the lateral displacement and inhibits the longitudinal fluctuation, avoiding excessive fluctuation.

[0040] Please refer to Figure 3 , the universal wheel 56 is placed on the side of the limit roller 4 away from the lead screw 33.

[0041] The working principle of the utility model is: according to the width of the belt, the transverse spacing of the two groups of moving frame bodies 3 is adjusted by rotating the lead screw 33, so that the limit roller 4 is close to the two side edges of the belt, when the belt runs, the limit roller 4 restricts the lateral displacement of the belt, the universal wheel 56 suppresses the longitudinal fluctuation of the belt through the elastic pressure of the spring piece, dynamically adjusts the pressure, avoids the excessive pressure leading to wear or the insufficient pressure leading to failure, and also can adjust the height of the mounting rod 51 according to the thickness of the belt.

[0042] The above is only the preferred embodiment of the utility model, and is not limited in other forms, any skilled person in the art can change or modify the above disclosed technology content to equivalent embodiments applied in other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belongs to the protection scope of the utility model technical scheme.

Claims

1. A belt flight deviation prevention device for a belt conveyor, comprising a device body (1) and a carrier roller (2); characterized in that: Two groups of mobile frame bodies (3) are also included, and each group of mobile frame bodies (3) is provided with a group of pressing belt assemblies (5); The device body (1) comprises a rack (11), a first horizontal rod (13) and a second horizontal rod (15) installed on the rack (11); The mobile frame body (3) comprises a mobile frame (31) in sliding fit with the first horizontal rod (13), a lead screw (33) rotatably connected to the vertical rod of the mobile frame (31), and the lead screw (33) is in threaded connection with the second horizontal rod (15); the mobile frame (31) is rotatably installed with a limiting roller (4) on one side between the two groups of supporting rollers (2); The pressing belt assembly (5) comprises a mounting rod (51) slidingly installed on the mobile frame (31), and the mobile frame (31) is provided with a fixing member for fixing the up-and-down sliding position of the mounting rod (51); the bottom of the mounting rod (51) is connected with a sliding rod (54) through a spring member, and the bottom of the sliding rod (54) is provided with a universal wheel (56).

2. The belt drift prevention device of claim 1, wherein: The first horizontal rod (13) is provided with a sliding hole (14) for the horizontal rod of the mobile frame (31) to slide, the second horizontal rod (15) is provided with a threaded hole (16) in threaded fit with the lead screw (33), the lead screw (33) is provided with an annular groove in rotary fit with the mobile frame (31), one end of the lead screw (33) is connected with a rotating disc (34), and the top and bottom of the second horizontal rod (15) are provided with the first horizontal rod (13).

3. The belt drift prevention device of claim 2, wherein: The top of the rack (11) is connected with a guide rod (12), the top of the mobile frame (31) is connected with a reinforcing rod (32), and the bottom of the guide rod (12) is provided with a sliding groove for the end of the reinforcing rod (32) to slide.

4. The belt drift prevention device of claim 1, wherein: The fixing member comprises a mounting sleeve (52) fixedly connected to the top of the mobile frame (31) and a mounting bolt (53) in threaded connection with the mounting sleeve (52), and the side wall of the mounting rod (51) is provided with a plurality of insertion holes in fit with the mounting bolt (53).

5. The belt flight guard device of claim 1, wherein: The spring member comprises a spring (55) connected to the top of the sliding rod (54), the bottom of the mounting rod (51) is provided with a floating groove for the sliding rod (54) to slide, and the top end of the spring (55) is connected to the inner wall of the top of the floating groove.

6. The belt flight guard device of claim 1, wherein: The universal wheel (56) is arranged on the side of the limiting roller (4) away from the lead screw (33).

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