CN219543028U - Online replacement device of lower carrier roller for belt conveyor - Google Patents

Abstract

The utility model relates to a lower carrier roller on-line replacement device for a belt conveyor, which is applied to the technical field of belt conveyor maintenance, and solves the problems that the existing screw is unstable in longitudinal movement and easy to shake, a connecting position of a hand wheel and the screw is easy to damage when the hand wheel is used for a long time, and the operation is inflexible and relatively labor-consuming; comprises a lifting carrier roller; the lifting components are respectively arranged at two ends of the lifting carrier roller along the length direction of the lifting carrier roller, the lifting components comprise a shell, a worm wheel rotating in the shell and a worm rotating in the shell, the worm wheel is connected with the worm in a meshed manner, a screw rod is connected with the internal thread of the worm wheel, the screw rod longitudinally penetrates through the shell, and the bottom end of the screw rod is connected with the lifting carrier roller through a connecting piece; the fixing piece is arranged on the shell and used for fixing the lifting assembly on the belt conveying frame; the device has the advantages of simple and reasonable structure, safety, reliability, relatively stable work, difficult shaking and relatively flexible and labor-saving operation.

Description

Online replacement device of lower carrier roller for belt conveyor

Technical Field

The utility model is applied to the technical field of belt conveyor maintenance, and particularly relates to an online replacement device for a lower carrier roller of a belt conveyor.

Background

The belt conveyor is a conveying system for conveying loose materials or finished articles, and is widely applied to industries such as mines, metallurgy, coal and the like. The common problem of maintenance and fault handling of belt conveyor equipment is that various types of carrier rollers are damaged or the carrier rollers which are not rotated by faults have the problem of damage to the belt surface, and periodic inspection and tissue replacement are required.

The prior patent publication No. CN205098928U announces a device for replacing a downlink carrier roller of a belt conveyor on line, two fixing frames are fixed on the outer side of a frame of the belt conveyor by bolts, two hand wheels are respectively arranged on the fixing frames on two sides, the upper ends of two screw rods are respectively matched and connected with center screw holes of the hand wheels on two sides, the lower ends of the two screw rods are respectively connected with two ends of a rolling roller, and the rolling roller is positioned below the belt. The utility model uses the screw rod to drive the rolling roller to translate and contact with the belt, so that the descending carrier roller is separated from the belt, and then the descending carrier roller is replaced.

The above description has the following problems that as the screw rod passes through the screw rod hole on the fixing frame and is in threaded connection with the screw hole in the center of the hand wheel, when the hand wheel is rotated to drive the screw rod to longitudinally move, the screw rod longitudinally moves unstably and easily to shake, the hand wheel is used for a long time and the screw rod connecting position is easy to deform and damage, the screw rod is not flexible to operate and is easy to clamp, and the screw rod is relatively labor-consuming in operation.

Disclosure of Invention

The utility model aims to provide an online replacement device for a lower carrier roller of a belt conveyor, which solves the problems that the existing screw is unstable in longitudinal movement and easy to shake, a connecting position of a hand wheel and the screw is easy to damage when the hand wheel is used for a long time, and the operation is inflexible and relatively labor-consuming.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an online replacement device for a lower carrier roller of a belt conveyor, which comprises the following components:

lifting a carrier roller;

the lifting assemblies are respectively arranged at two ends of the lifting carrier roller along the length direction of the lifting carrier roller, each lifting assembly comprises a shell, a worm wheel rotating in the shell and a worm rotating in the shell, the worm wheel is in meshed connection with the worm, a screw rod is connected with the internal threads of the worm wheel, the screw rod longitudinally penetrates through the shell, and the bottom end of the screw rod is connected with the lifting carrier roller through a connecting piece;

the fixing piece is arranged on the shell and used for fixing the lifting assembly on the belt conveying frame.

Further, the mounting is in including setting up the loading board of casing bottom terminal surface and setting are in the reverse U type mount of terminal surface under the loading board, the mount joint is in on the belt conveyer frame.

Further, a threaded hole is formed in the transverse plate of the inverted U-shaped fixing frame, and a fastening bolt is connected in the threaded hole in a threaded mode.

Further, the connecting piece comprises a connecting plate with an inverted L-shaped section, the bottom end of the screw rod is fixed on a transverse plate of the connecting plate, and the lifting carrier roller is rotationally connected on a vertical plate of the connecting plate through a bearing.

Further, a rotating hand wheel for driving the worm to rotate is arranged outside the shell.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model relates to a lower carrier roller on-line replacement device for a belt conveyor, which comprises the following components: lifting a carrier roller; the lifting components are respectively arranged at two ends of the lifting carrier roller along the length direction of the lifting carrier roller, the lifting components comprise a shell, a worm wheel rotating in the shell and a worm rotating in the shell, the worm wheel is meshed with the worm, a screw rod is connected with the internal threads of the worm wheel, the screw rod longitudinally penetrates through the shell, and the bottom end of the screw rod is connected with the lifting carrier roller through a connecting piece; the fixing piece is arranged on the shell and is used for fixing the lifting assembly on the belt conveying frame; the structure is simple and reasonable, the device is safe and reliable, the device is stable when the screw rod is driven to longitudinally move through the cooperation of the worm gear and the worm, the device is not easy to shake, and the device is flexible and labor-saving in operation; meanwhile, the online replacement of the carrier roller of the belt conveyor is realized under the condition of no stop and no stop in the transportation process, and the continuous operation of the production line of the belt conveyor is ensured.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a schematic diagram of a structure of an on-line replacement device and a belt conveyor in a matching relationship in an embodiment of the utility model;

FIG. 2 is a schematic diagram of an online replacement device according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a matching relationship between a worm gear and a screw rod in an embodiment of the utility model.

Wherein reference numerals are as follows:

1. a belt conveyor; 2. lifting a carrier roller; 3. a lifting assembly; 31. a housing; 32. a worm wheel; 33. a worm; 34. a screw rod; 4. a connecting plate; 5. rotating a hand wheel; 6. a fixing member; 61. a carrying plate; 62. an inverted U-shaped fixing frame; 7. a threaded hole; 8. and (5) fastening a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1, 2 and 3, the utility model provides an online replacement device for a lower carrier roller of a belt conveyor, wherein the belt conveyor comprises a belt conveyor frame 1, a conveying belt arranged on the belt conveyor frame 1 and a lower carrier roller arranged on the belt conveyor frame, and the lower carrier roller is used for supporting the conveying belt.

Referring to fig. 1, 2 and 3, the lower carrier roller online replacement device includes:

lifting carrier roller 2, when changing damaged lower carrier roller 13, supporting conveying belt 12 by lifting carrier roller 2 at this time;

the lifting assembly 3 is arranged at two ends of the lifting carrier roller 2 along the length direction of the lifting carrier roller, the lifting assembly 3 comprises a shell 31, a worm wheel 32 rotating in the shell 31 and a worm 33 rotating in the shell 31, the worm wheel 32 is in meshed connection with the worm 33, a screw rod 34 is in threaded connection with the inside of the worm wheel 32, the screw rod 34 longitudinally penetrates through the shell 31, and the bottom end of the screw rod 31 is connected with the lifting carrier roller 2 through a connecting piece; the outside of casing 31 is provided with drive worm 33 pivoted rotation hand wheel 5, conveniently drives through this lifting means 3 and promotes bearing roller 2 longitudinal movement, and when driving lead screw 34 longitudinal movement through the cooperation of worm wheel 32 worm 33, lead screw 34 longitudinal movement is comparatively stable, is difficult for the skew, and comparatively nimble laborsaving during the operation. The connecting piece comprises a connecting plate 4 with an inverted L-shaped section, the bottom end of a screw rod 34 is fixed on a transverse plate of the connecting plate 4, and a lifting carrier roller 2 is rotationally connected on a vertical plate of the connecting plate 4 through a bearing;

and a fixing member 6, the fixing member 6 is arranged on the housing 31, and the fixing member 6 is used for fixing the lifting assembly 3 on the belt conveying frame 1. The fixing piece 6 comprises a bearing plate 61 arranged on the end face of the bottom end of the shell 31 and an inverted U-shaped fixing frame 62 arranged on the lower end face of the bearing plate 61, and the inverted U-shaped fixing frame 62 is clamped on the belt conveying frame 1.

Referring to fig. 1, 2 and 3, the principle of operation is: after the lower carrier roller 13 is damaged, the lower carrier roller on-line replacing device is fixed on the belt conveying frame 1, namely, the inverted U-shaped fixing frame 62 is clamped on the belt conveying frame 1, an operator manually rotates the rotating hand wheel 5, the worm 33 and the worm wheel 32 are driven to rotate, the screw rod 34 is driven to move upwards under the action of the worm 33 and the worm wheel 32, the lifting carrier roller 2 connected with the bottom end of the screw rod 34 is driven to move upwards and support the conveying belt 12, a certain distance exists between the lower carrier roller 13 and the conveying belt 12, the damaged lower carrier roller 13 is maintained and replaced conveniently, and the purpose of on-line replacement is achieved.

Referring to fig. 1, 2 and 3, the transverse plate of the inverted U-shaped fixing frame 62 is provided with a threaded hole 7, the threaded hole 7 is internally and in threaded connection with a fastening bolt 8, after the inverted U-shaped fixing frame 62 is clamped on the conveying belt frame 11, the fastening bolt 8 is abutted against the belt conveying frame 1 by screwing the fastening bolt 8 to play a fixing role, so that the lifting assembly 3 is more firmly fixed on the conveying belt frame 11.

To sum up: the lower carrier roller on-line replacement device for the belt conveyor is simple and reasonable in structure, safe and reliable, is relatively stable when driving the screw rod 34 to longitudinally move through the matching of the worm wheel 32 and the worm 33, is not easy to shake, is relatively flexible and labor-saving in operation, realizes on-line replacement of the carrier roller of the belt conveyor without stopping and stopping materials in the transportation process, and ensures continuous operation of the production line of the belt conveyor.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (5)

1. The utility model provides a belt conveyor is with online change device of lower bearing roller which characterized in that, it includes:

lifting carrier rollers (2);

the lifting assembly (3), the lifting assembly (3) is two and is respectively arranged at two ends of the lifting carrier roller (2) along the length direction of the lifting carrier roller, the lifting assembly (3) comprises a shell (31), a worm wheel (32) rotating in the shell (31) and a worm (33) rotating in the shell (31), the worm wheel (32) is meshed with the worm (33), a screw rod (34) is connected with the worm wheel (32) in a threaded manner, the screw rod (34) longitudinally penetrates through the shell (31), and the bottom end of the screw rod (34) is connected with the lifting carrier roller (2) through a connecting piece;

the fixing piece (6), the fixing piece (6) is arranged on the shell (31), and the fixing piece (6) is used for fixing the lifting assembly (3) on the belt conveying frame (1).

2. The online replacement device for the lower carrier roller of the belt conveyor according to claim 1, wherein the fixing piece (6) comprises a bearing plate (61) arranged on the end face of the bottom end of the shell (31) and an inverted U-shaped fixing frame (62) arranged on the lower end face of the bearing plate (61), and the inverted U-shaped fixing frame (62) is clamped on the belt conveyor frame (1).

3. The online replacement device for the lower carrier roller of the belt conveyor according to claim 2, wherein a threaded hole (7) is formed in a transverse plate of the inverted U-shaped fixing frame (62), and a fastening bolt (8) is connected to the threaded hole (7) in a threaded manner.

4. A lower carrier roller online replacement device for a belt conveyor according to any one of claims 1 to 3, wherein the connecting piece comprises a connecting plate (4) with an inverted-L-shaped cross section, the bottom end of the screw rod (34) is fixed on a transverse plate of the connecting plate (4), and the lifting carrier roller (2) is rotatably connected on a vertical plate of the connecting plate (4) through a bearing.

5. The online replacement device for a lower carrier roller for a belt conveyor according to claim 4, wherein a rotation hand wheel (5) for driving the worm (33) to rotate is provided outside the housing (31).