Movable safety protection device at end part of conveying belt

Abstract

The utility model discloses a conveyer belt end portion movable type safety protection device which structurally comprises a supporting frame and a protective cover, the supporting frame is formed by extending the conveyer belt end portion towards the two outer sides, sliding rods matched with sliding grooves are arranged in the supporting frame, the sliding rods can move back and forth along the sliding grooves, and the protective cover is arranged on the supporting frame. The front end of the sliding rod is provided with a rotating shaft, the sliding rod and the supporting frame are provided with through grooves allowing the protective cover to pass through, the bottom of the open end of the protective cover is hinged to the rotating shaft and can rotate relative to the rotating shaft, and the rear end of the sliding rod is provided with a supporting assembly. The bottom of the closed end of the protective cover is detachably installed on the supporting assembly. The sliding rod sliding relative to the supporting frame and the protective cover capable of rotating relative to the front end of the sliding rod are arranged, so that the protective cover can horizontally move and / or rotate to conveniently expose the end of the conveying belt, and the conveying belt has the advantages of being high in maintenance efficiency, small in accidental injury, high in scene applicability and good in use flexibility.

Description

Technical Field

[0001] The utility model belongs to the field of safety protection of conveying equipment, and particularly relates to a movable safety protection device for the end of a conveying belt. Background Art

[0002] Conveyor belts are common equipment in the material transfer process. Belt conveyor belts have good material support, especially when conveying solid materials, and are used more frequently in production sites. Existing belt conveyors usually include conveyor belts, active rollers, driven rollers, rollers, deviation correction devices, end safety protection devices and other components. During use, the conveyor belts will be worn, perforated, run sideways, and cannot be effectively corrected. In order to maintain the stability of the conveyor belt during production, the conveyor belts need to be regularly and irregularly observed and maintained. These tasks are usually performed at the ends of the conveyor belts. The safety protection at the ends of existing conveyor belts is usually a fixed protective net and protective cover, and in safety requirements, the protective device is usually a metal part with a certain weight. The protective cover must be removed first for maintenance, and it must be reinstalled and fixed after the maintenance is completed. There are also safety hazards such as accidental injuries during the lifting and installation of the protective device. There are problems such as poor convenience of use, time-consuming and labor-intensive, and restricted maintenance efficiency. Utility Model Content

[0003] The utility model aims to provide a movable safety protection device for the end of a conveyor belt, so as to solve the problem that the existing end safety protection device needs to be disassembled and assembled, and has poor operation and maintenance convenience.

[0004] The utility model is realized by the following technical solutions:

[0005] The utility model proposes a movable safety protection device for the end of a conveyor belt, the structure of which includes a support frame and a protective cover, the support frame is formed by the end of the conveyor belt extending to both outer sides, the protective cover is installed on the support frame, the front end of the protective cover is an open end, and the rear end is a closed end, the support frame is provided with a slide groove, at least one end of the slide groove is provided with a limiting structure for preventing the protective cover from falling out, and the protective cover can move forward and backward relative to the support frame along the slide groove;

[0006] Based on the above technical solution, when maintenance operations are required, the protective cover only needs to be pushed backward relative to the support frame, and can be moved a certain distance according to actual needs. This design does not require the removal and installation of the protective cover, nor does it involve the lifting of the protective cover, which effectively saves maintenance time, improves maintenance efficiency and reduces safety hazards.

[0007] Further, the slide groove is a strip-shaped slot hole symmetrically opened on the side wall of the support frame, at least two groups of rolling components are arranged in the strip-shaped slot hole, the rolling component includes a connecting shaft and rollers at both ends thereof, the rollers are embedded in the strip-shaped slot hole, the protective cover is installed on the connecting shaft, and the outer side wall of the support frame is distributed with a plurality of positioning members along the strip-shaped slot hole, the positioning members are removable positioning components, and this design can make the movement resistance of the protective cover smaller and facilitate positioning at different positions;

[0008] Furthermore, the support frames on both sides of the conveyor belt are provided with slide bars that match the slide grooves, the slide bars can move forward and backward along the slide grooves, and the protective cover is installed on the slide bars. This design can reduce the preset length of the support frame by telescopically storing the slide bars in the support frame, and provide effective support for the protective cover to prevent its deformation;

[0009] Preferably, a support foot is folded and stored at the bottom of the slide bar, one end of the support foot is hinged to the slide bar, and the other end is a free end. This design enables the slide bar to obtain additional support after extending out of the support frame, thereby preventing the slide bar from being deformed due to excessive extension and bearing the weight of the protective cover for a long time, which affects the convenience of subsequent use;

[0010] Furthermore, a rotating shaft is provided at the front end of the slide bar, a through slot for the protective cover to pass through is provided on the slide bar and the support frame, the bottom of the open end of the protective cover is hinged on the rotating shaft and can rotate relative to the rotating shaft, a supporting assembly is provided at the rear end of the slide bar, and the bottom of the closed end of the protective cover can be detachably mounted on the supporting assembly. This design allows the protective cover to rotate relative to the rotating shaft to the bottom of the conveyor belt to expose the end of the conveyor belt, which occupies less space and is more suitable for situations where there is insufficient space at the end of the conveyor belt and there are restrictions on moving the protective cover backward;

[0011] Further, the support assembly is telescopically or rotatably arranged at the rear end of the slide rod, the support assembly includes a support rod, the end of the support rod is extended out of the rear end of the slide rod and is provided with a first groove, the bottom of the closed end of the protective cover is set to a shape that matches the first groove, and the bottom of the closed end of the protective cover is detachably installed in the first groove. This design can realize the switching of the fixed and rotating states of the protective cover;

[0012] Preferably, a sliding groove is provided at the rear end of the sliding rod, and the support rod is slidably arranged in the sliding groove and can move forward and backward along the sliding groove, and the protective cover can be separated from the support rod by sliding the support rod inward;

[0013] Preferably, the rear ends of the slide bars on both sides of the conveyor belt end are protruding with support shafts, the support rods are hinged on the support shafts and can rotate relative to the support shafts, and at least one side of the slide bar is provided with a limit piece of the support rod, and the limit piece is a protruding limit block. When in use, the support rod is placed above the limit piece, and the bottom of the closed end of the protective cover is embedded in the groove to form a support. When repairing, the protective cover is lifted to separate the bottom of the closed end from the groove, and the support rod is rotated counterclockwise to a naturally drooping state, so that the protective cover can be rotated. This design is more concise and easy to operate.

[0014] Preferably, a rubber roller is protruding from the rear end of the slide rod. When the protective cover rotates, the rubber roller rolls against the inner surface of the protective cover. This design can avoid scratches between the protective cover and the rear end of the slide rod.

[0015] Beneficial Effects

[0016] One of the above technical solutions has the following advantages or beneficial effects:

[0017] 1) By setting a slide groove on the support frame, extending the support frame or nesting a slide rod therein, and allowing the protective cover to move forward and backward relative to the support frame, the protective cover can be effectively moved conveniently, the maintenance efficiency is improved, and the accidental injuries that may occur during the lifting of the protective cover are effectively avoided, saving time and effort.

[0018] 2) Based on the structure that the protective cover can be translated, the bottom of the open end of the protective cover is hinged to the support frame, and the bottom of the closed end is detachably installed on the support frame, so that the protective cover can be translated and rotated relative to the support frame, which has better scene applicability and flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0020] Figure 1 This is a structural schematic diagram of the first embodiment of the utility model;

[0021] Figure 2 Another structural schematic diagram of the first embodiment of the utility model;

[0022] Figure 3 For this utility model Figure 2 Schematic diagram of the structure of part A;

[0023] Figure 4 This is a schematic diagram of the structure of the second embodiment of the present utility model;

[0024] Figure 5 For this utility model Figure 4 Schematic diagram of the structure of part A;

[0025] Figure 6 For this utility model Figure 4 Schematic diagram of the structure of part B Figure 1 ;

[0026] Figure 7 For this utility model Figure 4 Schematic diagram of the structure of part B Figure 2 ;

[0027] In the figure: conveyor belt end 100; support frame 200; protective cover 300; open end 301; closed end 302; slide groove 1; strip slot 11; slide rod 2; support foot 21; rotating shaft 22; support assembly 23; support rod 231; first groove 232; sliding groove 233; support shaft 234; limit member 235; rolling assembly 3; connecting shaft 31; roller 32; positioning assembly 4. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below in conjunction with the embodiments, but the implementation manner of the present invention is not limited thereto.

[0029] Embodiment 1

[0030] The present embodiment is a preferred solution of the present utility model. The present embodiment provides a movable safety protection device for the end of a conveyor belt, and its structure includes a support frame 200 and a protective cover 300. The support frame 200 is formed by extending the conveyor belt end 100 to both sides, and the support frame 200 extends a certain length from the conveyor belt end 100 to the end. Correspondingly, in order to maintain the stability of the extended part, a support structure is arranged downwardly on the extended part, and the support structure is arranged on the side or bottom of the support frame 200 close to the outer part. The protective cover 300 is installed on the support frame 200. The front end of the protective cover 300 is an open end 301, and the rear end is a closed end 302 to form a structure that wraps the conveyor belt end 100, wherein the open end 301 is arranged above the conveyor belt, and the support frame 200 is provided with a slide 1, and at least one end of the slide 1 is provided with a limiting structure to form a limit on the moving position of the protective cover 300, and its limiting structure can be a closed port or a protruding limiting block or other structures. The protective cover 300 can move forward and backward along the slide 1 relative to the support frame 200, wherein, as Figure 1 As shown, the slide groove 1 can be arranged at the bottom or side of the support frame 200, and the bottom of the protective cover 300 is correspondingly arranged as a sliding structure matched with the slide groove 1, or preferably, as shown in Figure 2 and Figure 3As shown, the slide groove 1 is configured as a strip slot 11 symmetrically opened on the side wall of the support frame 200, and at least two groups of rolling components 3 are arranged in the strip slot 11, and the rolling component 3 includes a connecting shaft 31 and rollers 32 at both ends thereof, and the rollers 32 are embedded in the strip slot 11, and the protective cover 300 is installed on the connecting shaft 31. At the same time, a through groove is also opened on the top surface of the support frame 200 corresponding to the protective cover 300 as a channel for the protective cover 300 to move forward and backward. A plurality of removable positioning components 4 are distributed on the outer wall of the support frame 200 along the strip slot 11 to realize the positioning and movement of the protective cover 300. This design can make the movement resistance of the protective cover 300 smaller and facilitate positioning at different positions.

[0031] Through the above design, when maintenance operations are required, the protective cover 300 only needs to be pushed backward relative to the support frame 200, and can be moved a certain distance according to actual needs. This design does not require the removal and installation of the protective cover 300, nor does it involve the lifting of the protective cover 300, which effectively saves maintenance time, improves maintenance efficiency and reduces safety hazards.

[0032] Embodiment 2

[0033] This embodiment is a preferred solution of the present utility model. The difference between this embodiment and the first embodiment is that:

[0034] The end of the support frame 200 is flush with the end of the conveyor belt end 100. The support frames 200 on both sides of the conveyor belt end 100 are provided with slide bars 2 that match the slide slot 1. The slide bars 2 can move forward and backward along the slide slot 1. The protective cover 300 is installed on the slide bars 2. The cooperation between the slide bars 2 and the slide slot 1 is similar to the mutually nested structure of the groove and the slide bars 2 of a pull-out drawer, wherein the slide bars 2 can be set to solid bars, closed hollow bars, semi-closed hollow bars, I-shaped bars and other structures; the purpose of this distinguishing design is to reduce the preset length of the support frame 200 by telescopically storing the slide bars 2 in the support frame 200, and provide effective support for the protective cover 300 to prevent its deformation;

[0035] Furthermore, a support foot 21 is folded and stored at the bottom of the slide bar 2, one end of the support foot 21 is hinged to the slide bar 2, and the other end is a free end, so that the slide bar 2 can get additional support after extending out of the support frame 200, thereby preventing the slide bar 2 from being deformed due to excessive extension length and bearing the weight of the protective cover 300 for a long time, thereby affecting the convenience of subsequent use.

[0036] Furthermore, a rotating shaft 22 is provided at the front end of the slide bar 2, and a through groove for the protective cover 300 to pass through is provided on the slide bar 2 and the support frame 200. The bottom of the open end 301 of the protective cover is hinged on the rotating shaft 22 and can rotate relative to the rotating shaft 22. A support assembly 23 is provided at the rear end of the slide bar 2, and the bottom of the closed end 302 of the protective cover can be detachably mounted on the support assembly 23. The support assembly 23 is telescopically or rotatably arranged at the rear end of the slide bar 2. The support assembly 23 includes a support rod 231, and the end of the support rod 231 extends out of the rear end of the slide bar 2 and is provided with a first groove 232. The bottom of the closed end 302 of the protective cover is set to a shape that matches the first groove 232, such as Figure 6 , 7 As shown, the first groove 232 is a semicircular groove with the opening facing upward, and the bottom of the closed end 302 of the protective cover is correspondingly set to a cylindrical structure. The bottom of the closed end 302 of the protective cover can be detachably installed in the first groove 232. This design can realize the switching of the fixed and rotating states of the protective cover 300; the matching structure of the support assembly 23 and the slide bar 2 can be: the rear end of the slide bar 2 is provided with a sliding groove 233, and the support rod 231 is slidably arranged in the sliding groove 233 and can move forward and backward along the sliding groove 233. By sliding the support rod 231 inward, the protective cover 300 can be separated from the support rod 231; or both sides of the conveyor belt end 100 The rear end of the slide bar 2 is protruding with a support shaft 234, the support rod 231 is hinged on the support shaft 234 and can rotate relative to the support shaft 234, and at least one side of the slide bar 2 is provided with a limit piece 235 of the support rod 231, and the limit piece 235 is a protruding limit block. Compared with the previous structure, this design is simpler and easier to operate. When in use, the support rod 231 is placed above the limit piece 235, and the bottom of the closed end 302 of the protective cover 300 is embedded in the groove to form a support. When repairing, lift the protective cover 300 to make the bottom of the closed end 302 out of the groove, and rotate the support rod 231 counterclockwise to a natural drooping state to switch to the rotating state.

[0037] Furthermore, a rubber roller (not shown in the drawings) is protruding from the rear end of the slide bar 2. When the protective cover 300 rotates, the rubber roller rolls against the inner surface of the protective cover 300 to avoid scratches between the protective cover 300 and the rear end of the slide bar 2. As a feasible implementation, the protective surface of the protective cover 300 can also be set as a curved surface centered on the rotating shaft 22, and an arc-shaped slideway with the same curvature as the protective surface is correspondingly provided below the rear end of the slide bar 2. After the protective cover 300 rotates around the rotating shaft 22, it is stored in the arc-shaped slideway, which is conducive to the storage of the protective cover 300 according to a predetermined trajectory, and is not easily obstructed by other obstacles during the storage process, and has higher safety. Preferably, a rubber roller is provided at the bottom of the closed end 302 of the protective cover, and a rolling track is provided in the arc-shaped slideway. The rubber roller rolls against the rolling track. This design can avoid scratches between the protective cover 300 and the arc-shaped slideway, and at the same time can provide support for the protective cover 300 to avoid the weight of the protective cover 300 acting entirely on the rotating shaft 22.

[0038] Based on the above design, this embodiment can realize the translation and rotation of the protective cover 300, and can select a more appropriate opening method according to the spatial position of the conveyor belt: when the space at the conveyor belt end 100 is ample, the conveyor belt end 100 can be exposed by translating the protective cover 300; when the space at the conveyor belt end 100 is limited, the conveyor belt end 100 can be exposed by rotating the protective cover 300. Compared with the first embodiment, it has the characteristics of wider application range and higher flexibility.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the present invention.

Claims

1. A movable safety protection device for the end of a conveyor belt, the structure of which includes a support frame and a protective cover, the support frame is formed by the end of the conveyor belt extending to both sides, the protective cover is installed on the support frame, the front end of the protective cover is an open end, and the rear end is a closed end, characterized in that: The support frame is provided with a slide groove, and at least one end of the slide groove is provided with a limiting structure for preventing the protective cover from falling out, and the protective cover can move forward and backward relative to the support frame along the slide groove.

2. The movable safety protection device for the end of a conveyor belt according to claim 1, characterized in that: The slide groove is a strip-shaped slot hole symmetrically opened on the side wall of the support frame, and at least two groups of rolling components are arranged in the strip-shaped slot hole. The rolling component includes a connecting shaft and rollers at both ends thereof, and the rollers are embedded in the strip-shaped slot hole. The protective cover is installed on the connecting shaft, and a plurality of positioning members are distributed along the strip-shaped slot hole on the outer side wall of the support frame, and the positioning members are removable positioning members.

3. The movable safety protection device for the end of a conveyor belt according to claim 1, characterized in that: Sliding rods matching the sliding grooves are arranged in the supporting frames on both sides of the conveyor belt. The sliding rods can move forward and backward along the sliding grooves, and the protective covers are installed on the sliding rods.

4. The movable safety protection device for the end of a conveyor belt according to claim 3, characterized in that: The bottom of the slide bar is folded to accommodate a supporting foot, one end of the supporting foot is hinged to the slide bar, and the other end is a free end.

5. The movable safety protection device for the end of a conveyor belt according to claim 3, characterized in that: A rotating shaft is provided at the front end of the slide rod, and a through groove for the protective cover to pass through is provided on the slide rod and the support frame. The bottom of the open end of the protective cover is hinged on the rotating shaft and can rotate relative to the rotating shaft. A supporting assembly is provided at the rear end of the slide rod, and the bottom of the closed end of the protective cover can be detachably mounted on the supporting assembly.

6. The movable safety protection device for the end of a conveyor belt according to claim 5, characterized in that: The support assembly is telescopically or rotatably arranged at the rear end of the sliding rod, and the support assembly includes a support rod, the end of the support rod extends out of the rear end of the sliding rod and is provided with a first groove, the bottom of the closed end of the protective cover is set to a shape that matches the first groove, and the bottom of the closed end of the protective cover can be detachably installed in the first groove.

7. The movable safety protection device for the end of a conveyor belt according to claim 6, characterized in that: A sliding groove is arranged at the rear end of the sliding rod, and the supporting rod is slidably arranged in the sliding groove and can move forward and backward along the sliding groove.

8. The movable safety protection device for the end of a conveyor belt according to claim 6, characterized in that: The rear ends of the slide bars on both sides of the conveyor belt end are protrudingly provided with support shafts, the support rods are hinged on the support shafts and can rotate relative to the support shafts, and at least one side of the slide bar is provided with a limiting piece of the support rod, and the limiting piece is a protruding limiting block.

9. The movable safety protection device for the end of a conveyor belt according to claim 5, characterized in that: A rubber roller is also protruded from the rear end of the slide bar. When the protective cover rotates, the rubber roller rolls against the inner surface of the protective cover.

Images