Riding wheel device of belt type drum screen

Abstract

The utility model relates to the technical field of rotary screens, in particular to a belt type rotary screen riding wheel device which comprises a rubber coating riding wheel, a movable frame, a fixed frame and an adjusting device. The rubber coating riding wheel is connected with a riding wheel shaft, the riding wheel shaft is fixedly connected with a movable frame, the other end of the movable frame is rotationally connected with a fixed frame through a pin shaft, the movable frame can rotate in a vertical plane around the pin shaft, the other end of the fixed frame is fixedly installed on a machine frame, and one side of the upper portion of the movable frame is connected with an adjusting device in a hinged mode. One end of the adjusting device is hinged to the machine frame, the other end of the adjusting device is hinged to the machine frame, a right-hand thread connector is arranged in the adjusting device and connected with a left-right-hand lead screw, the other end of the left-right-hand lead screw is hinged to a left-hand thread connector, and the left-hand thread connector is hinged to the machine frame. The height and the position of the rubber coating riding wheel are adjusted by adjusting the length of the adjusting device, so that the center of the screen drum and the tightness of a belt are adjusted, and the rubber coating riding wheel is more convenient to use and convenient to use in production operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drum screen, specifically relates to a belt type drum screen riding wheel device. BACKGROUND

[0002] The drum screen is a kind of machinery widely used in sorting technology, and the screening of material is realized by screening the particle size of particles, and the drum screen can be driven by motor or belt, and the screen cylinder rotates around its axis under the driving of driving device, when material enters the screen cylinder, the material on the screen surface is turned and rolled due to the inclination and rotation of the screen cylinder, so that qualified material is discharged through the screen hole of the screen cylinder, and unqualified material is discharged through the discharge port at the tail of the screen cylinder.

[0003] Due to the turning and rolling of material in the screen cylinder, the material stuck in the screen hole can be bounced out, which can effectively prevent the screen hole from being blocked, in addition, the drum screen also has the characteristics of stable operation, low noise, simple structure, convenient maintenance, closed screen cylinder, easy dust collection, high reliability of the whole machine, less one-time investment, high screening efficiency, long service life and wide application in sand and stone field, coal industry, chemical industry and ore dressing industry, and plays an indispensable role in production and application.

[0004] In order to ensure the stability of use, the riding wheel device for supporting the screen cylinder is arranged below the screen cylinder, the existing riding wheel device is fixed on the center of the main shaft by penetrating the riding wheel, two sets of bearings are installed on the two ends of the main shaft, and the two sets of bearing seats are horizontally fixed on the rack, and the position of the riding wheel is fixed after installation, for the belt type drum screen, the center height of the screen cylinder cannot be adjusted because the position of the riding wheel cannot be adjusted, so that the tightness of the belt cannot be adjusted, in addition, two sets of bearing seats are needed, which is troublesome to install and calibrate, the manufacturing cost is high, and the use is inconvenient.

[0005] Therefore, a drum screen riding wheel device that is more convenient to install during use and can adjust the center of the screen cylinder is an urgent problem to be solved. UTILITY MODEL CONTENTS

[0006] The utility model aims at the shortage of prior art, provides a belt type drum screen riding wheel device, to reach the purpose that installation is more convenient during use, and the center of the screen cylinder can be adjusted, so that the tightness of the belt is adjusted.

[0007] To achieve the above object, the utility model discloses the following technical scheme: a belt type drum screen carrier wheel device, including rubberized carrier wheel, rubberized carrier wheel is rotatably connected with one end of movable frame, and the other end of movable frame is hinged with fixed frame, and the other end of fixed frame is fixedly connected with rack, and the length-adjustable adjusting device is hingedly connected with the upper side of the one side of movable frame close to rubberized carrier wheel, and the other end of adjusting device is hinged with rack.

[0008] Further, the movable frame is rotatably connected with the fixed frame through a pin shaft, and the movable frame rotates around the pin shaft in a vertical plane.

[0009] Further, the right end of the movable frame is provided with a connecting sleeve A, a fixing part is arranged in the fixed frame, the fixing part is fixedly connected with the rack, a hinged frame is arranged in the fixing part, the hinged frame is matched with the connecting sleeve A, a pin shaft is connected with the connecting sleeve A through the hinged frame, and a bolt is arranged at the two ends of the pin shaft.

[0010] Further, the adjusting device is provided with a pull ear A, the pull ear A is fixedly connected with the movable frame, a right-handed thread joint is hingedly connected with the pull ear A, the right-handed thread joint is connected with a left-right screw rod, the other end of the left-right screw rod is connected with a left-handed thread joint, the left-handed thread joint is hingedly connected with a pull ear B, and the pull ear B is fixedly connected with the rack.

[0011] Further, a locking nut is arranged at the connection between the right-handed thread joint and the left-right screw rod.

[0012] Further, the rubberized carrier wheel is internally provided with a carrier wheel inner cavity, bearings are sealingly arranged at the two sides of the carrier wheel inner cavity, a carrier wheel shaft is connected with the bearings, a connecting sleeve B is arranged at the left end of the movable frame, and the connecting sleeve B is fixedly connected with the carrier wheel shaft.

[0013] Further, an oil injection pipe joint is arranged on the connecting sleeve B, an oil injection groove is arranged on the carrier wheel shaft, the oil injection groove is communicated with the oil injection pipe joint, the oil injection groove is communicated with the carrier wheel inner cavity, and the connecting sleeve B is rotatably and sealingly connected with the rubberized carrier wheel.

[0014] The utility model discloses the following technical scheme:

[0015] 1, utilize the bearing chamber of rubberized carrier wheel inner cavity, spare two sets of bearing seat, by fixed frame direct installation on the rack, install conveniently, spare bearing seat to level link, reduce the labor intensity of installation, the rubberized carrier wheel is internally provided with a carrier wheel inner cavity, bearings are sealingly arranged at the two sides of the carrier wheel inner cavity, a carrier wheel shaft is connected with the bearings, a connecting sleeve B is arranged at the left end of the movable frame, and the connecting sleeve B is fixedly connected with the carrier wheel shaft.

[0016] 2, the contact position of carrier wheel and screen cylinder is adjusted through the left-right screw rod, the central position of screen cylinder is adjusted, the tightness degree of transmission belt is adjusted, and the stability of use is guaranteed.

[0017] 3. Add an oil filling groove to the roller shaft and install an oil filling pipe joint. Lubricating oil can be applied to both sets of bearings simultaneously through the oil filling groove, saving the step of changing the lubricating oil filling position and making it more convenient to use. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the installation structure of the roller support device of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of the roller support device of this utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the fixed frame and the movable frame in the roller support device of this utility model (the shaded part is a cross-section);

[0021] Figure 4 This is a schematic diagram of the installation structure of the movable frame and rubber-coated support rollers of this utility model (the shaded area is a cross-section);

[0022] Figure 5 This is a schematic diagram of the adjustment device structure of this utility model.

[0023] The names corresponding to each mark in the diagram:

[0024] 1. Frame; 2. Screen cylinder; 3. Drive belt; 4. Roller support device; 41. Rubber-coated roller; 411. Roller inner cavity; 412. Roller shaft; 4121. Oil injection groove; 413. Bearing; 414. Threaded cap; 415. Sealing cover; 416. Oil seal cover; 42. Movable frame; 421. Connecting rod; 422. Connecting sleeve A; 423. Rib plate; 424. Connecting sleeve B; 43. Fixed frame; 431. Fixing component; 432. Hinge frame; 44. Adjusting device; 441. Pull lug A; 442. Right-hand threaded joint; 443. Locking nut; 444. Left-hand and right-hand threaded screw; 445. Left-hand threaded joint; 446. Pull lug B; 45. Oil injection pipe joint; 46. Pin; 461. Pin. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0026] Embodiments of this utility model:

[0027] like Figure 1 As shown, roller devices 4 are fixedly installed on both sides of the frame 1, and the screen cylinder 2 is placed on the roller devices 4. The screen cylinder 2 is driven by the transmission belt 3.

[0028] As Figures 2-5 shown, the embodiment relates to the supporting wheel device 4 provided with the rubberized supporting wheel 41, the rubberized supporting wheel 41 is rotationally connected with the movable frame 42, the connecting rod 421 is arranged in the movable frame 42, the right end of the connecting rod 421 is rotationally connected with the fixed frame 43, wherein the right end of the connecting rod 421 is connected with the connecting sleeve A 422, the rib plate 423 is arranged between the connecting sleeve A 422 and the connecting rod 421, the fixing piece 431 is arranged in the fixed frame 43, the fixing piece 431 is fixedly connected with the rack 1 by welding, the hinged frame 432 is connected and installed through the fixing piece 431, the pin shaft 46 is insertedly installed in cooperation with the two ends of the connecting sleeve A 422 and the hinged frame 432, and the latch 461 is arranged at the two ends of the pin shaft 46.

[0029] The connecting rod 421 is hingedly connected with the adjusting device 44 on the left side and the upper side, the other end of the adjusting device 44 is hingedly connected with the rack 1, wherein the pull ear A 441 is arranged on the left side and the upper side of the connecting rod 421, the pull ear A 441 is connected with the right-handed threaded joint 442, the right-handed threaded joint 442 is connected with the left and right-handed screw rod 444, the locking nut 443 is arranged at the connection between the right-handed threaded joint 442 and the left and right-handed screw rod 444, the other end of the left and right-handed screw rod 444 is connected with the left-handed threaded joint 445, and the left-handed threaded joint 445 is hingedly connected with the pull ear B 446 on the rack 1.

[0030] The left end of the connecting rod 421 in the movable frame 42 is provided with the connecting sleeve B 424, the supporting wheel shaft 412 of the rubberized supporting wheel 41 passes through the connecting sleeve B 424 and is locked through the threaded cap 414, the bearing 413 is installed on the supporting wheel shaft 412, the bearing 413 has two and is located on the two sides of the supporting wheel inner cavity 411 of the rubberized supporting wheel 41, the sealing cover 415 is arranged on the outer side of the two side bearings 413, the oil injection groove 4121 is arranged on the supporting wheel shaft 412, the oil injection groove 4121 cooperates with the oil injection pipe joint 45 on the connecting sleeve B 424, and the oil seal cover 416 is installed between the supporting wheel 41 and the connecting sleeve B 424, the oil seal cover 416 is sleeved on the supporting wheel shaft 412 and is rotationally and sealingly matched with the corresponding sealing cover 415.

[0031] The principle of the utility model is:

[0032] In use, the screen drum 2 is supported by the supporting wheel device 4, when it is necessary to adjust the tightness of the transmission belt 3 or the center of the screen drum 2, the adjusting device 44 is adjusted, the left and right-handed screw rod 444 in the adjusting device 44 is twisted, so that the length of the adjusting device 44 can be adjusted, when the length of the adjusting device 44 changes, because the movable frame 42 rotates around the fixed frame 43, the height or the center position of the screen drum 2 can be adjusted.

[0033] After the position of the screen cylinder 2 is adjusted, the belt conveyor is started, and the transmission belt 3 drives the screen cylinder 2 to rotate. Since the screen cylinder 2 has screen holes around its perimeter, the material inside the screen cylinder 2 can be screened. Since this is a mature existing technology, it will not be described in detail here.

[0034] After the device has been running for a period of time, it is inevitable to add lubricant to the bearing. At this time, lubricating oil is injected through the oil injection pipe joint 45 on the connecting sleeve B424. During the process, the oil injection pipe joint 45 cooperates with the oil injection groove 4121 on the support roller shaft 412. The injected lubricating oil is injected into the inner cavity 411 of the support roller through the oil injection groove, and squeezed into the bearing 413 under pressure to realize the lubrication process (the bearing 413 is generally provided with a small hole for adding lubricating oil).

[0035] During the use of this utility model, lubricating oil is injected into the inner cavity 411 of the support roller through the support roller shaft 412. Therefore, the support roller 41 and the connecting sleeve B424 are rotated and sealed by the oil seal cover 416. In addition, sealing rings are also provided at the connection points of each connecting part in the support roller 41 of this utility model to ensure good sealing performance. Since this is a conventional setting, it will not be described in detail.

Claims

1. A belt-driven drum screen support device, characterized in that: It includes a rubber-coated roller (41), which is rotatably connected to one end of a movable frame (42). The other end of the movable frame (42) is hinged to a fixed frame (43), and the other end of the fixed frame (43) is fixedly connected to the machine frame (1). An adjustable length adjustment device (44) is hinged above the movable frame (42) on the side near the rubber-coated roller (41). The other end of the adjustment device (44) is hinged to the machine frame (1).

2. The belt-driven drum screen support device according to claim 1, characterized in that: The movable frame (42) is rotatably connected to the fixed frame (43) via a pin (46), and the movable frame (42) rotates around the pin (46) in a vertical plane.

3. The belt-driven drum screen support device according to claim 2, characterized in that: The right end of the movable frame (42) is provided with a connecting sleeve A (422), and a fixing member (431) is provided in the fixed frame (43). The fixing member (431) is fixedly connected to the frame (1). A hinge frame (432) is installed through the fixing member (431). The hinge frame (432) cooperates with the connecting sleeve A (422). A pin (46) is inserted and connected to the connecting sleeve A (422) through the hinge frame (432). Pins (461) are provided at both ends of the pin (46).

4. The belt-driven drum screen support device according to claim 1, characterized in that: The adjustment device (44) is provided with a pull lug A (441), which is fixedly connected to the movable frame (42). A right-hand threaded joint (442) is hinged through the pull lug A (441). The right-hand threaded joint (442) is connected to the left-hand threaded screw (444). The other end of the left-hand threaded screw (444) is connected to the left-hand threaded joint (445). The left-hand threaded joint (445) is hinged to the pull lug B (446). The pull lug B (446) is fixedly connected to the frame (1).

5. The belt-driven drum screen support device according to claim 4, characterized in that: A locking nut (443) is provided at the connection between the right-hand threaded joint (442) and the left-hand threaded screw (444).

6. The belt-driven drum screen support device according to claim 1, characterized in that: The rubber-coated roller (41) has an inner cavity (411) inside. Bearings (413) are sealed and installed on both sides of the inner cavity (411). The roller shaft (412) is connected through the bearings (413). A connecting sleeve B (424) is provided at the left end of the movable frame (42). The connecting sleeve B (424) is fixedly connected to the roller shaft (412).

7. The belt-driven drum screen support device according to claim 6, characterized in that: The connecting sleeve B (424) is provided with an oil injection pipe joint (45), and an oil injection groove (4121) is provided on the support roller shaft (412). The oil injection groove (4121) is connected to the oil injection pipe joint (45), and the oil injection groove (4121) is connected to the inner cavity (411) of the support roller. The connecting sleeve B (424) is rotatably and sealingly connected to the rubber-coated support roller (41).

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