Electric belt winding and unwinding device for belt conveyor

Abstract

The utility model relates to an electric belt take-up and pay-off device for a belt conveyor, and belongs to the technical field of belt take-up and pay-off. Comprising a mounting base, a front-side belt pressing mounting frame and a rear-side belt pressing mounting frame are fixedly arranged on the front side and the rear side of the mounting base respectively, a rotary mounting seat is arranged on the mounting base between the front-side belt pressing mounting frame and the rear-side belt pressing mounting frame, a rotary shaft is rotationally arranged on the rotary mounting seat, and a rotary arm is rotationally arranged at the upper end of the rotary shaft; the end, away from the rotating shaft, of the rotating arm is rotationally provided with a reel. The problem that adjustment is inconvenient due to the fact that an existing belt winding and unwinding device for the belt conveyor is driven hydraulically is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of belt retracting and unretracting, and in particular relates to an electric belt retracting and unretracting device for a belt conveyor. Background Art

[0002] With the development of belt conveyor technology, its application has gradually expanded to enterprises such as ports, power plants, and mines. As a key component of belt conveyors, the dynamic belt retractor (belt winding device) has also undergone equipment upgrades and technological developments. The drawbacks of traditional hydraulic belt winding devices have become increasingly apparent. These include improper belt winding angles or limited adjustable angles, which can cause the belt to deviate, cause excessive friction, require additional hydraulic stations, and face space constraints. Utility Model Content

[0003] The utility model overcomes the deficiencies of the prior art and proposes an electric belt retracting and unretracting device for a belt conveyor, solving the problem that the current belt retracting and unretracting device for a belt conveyor adopts hydraulic drive and thus causes inconvenience in adjustment.

[0004] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions.

[0005] An electric belt retracting and unreeling device for a belt conveyor comprises a mounting base, a front belt pressing mounting frame and a rear belt pressing mounting frame are fixedly arranged on the front and rear sides of the mounting base respectively, a swivel mounting base is arranged on the mounting base between the front belt pressing mounting frame and the rear belt pressing mounting frame, a swivel mounting base is rotatably arranged with a swivel shaft, a swivel arm is rotatably arranged at the upper end of the swivel shaft, and a reel is rotatably arranged at the end of the swivel arm away from the swivel shaft.

[0006] Furthermore, the mounting base is a horizontally arranged square frame structure.

[0007] Furthermore, the front pressure belt mounting frame includes two front columns distributed front and back on the left side and two front columns distributed front and back on the right side, with the front columns on the left and right sides being symmetrically arranged. The lower ends of the two front columns on the left side are respectively fixedly connected to the front left side of the mounting base, and the lower ends of the two front columns on the right side are respectively fixedly connected to the front right side of the mounting base; the two front columns on the same side are fixedly connected by a first horizontal front and rear connecting beam.

[0008] Furthermore, a front fixing frame is fixedly provided between the upper ends of the two front columns on the left and the upper ends of the two front columns on the right, and a vertical first electric cylinder is fixedly provided on each front fixing frame, and the piston rod of the first electric cylinder is vertically upward; a first fixing seat is fixedly provided on the end of the piston rod of the first electric cylinder on the left and right sides, and a first connecting rod and a second connecting rod distributed vertically are fixedly provided between the two first fixing seats on the left and right, and the first connecting rod and the second connecting rod are both horizontally arranged along the left and right directions.

[0009] Furthermore, the rear pressure belt mounting frame includes two rear uprights distributed front to back on the left side and two rear uprights distributed front to back on the right side, with the left and right rear uprights symmetrically arranged. The lower ends of the two rear uprights on the left side are fixedly connected to the left rear end of the mounting base, while the lower ends of the two rear uprights on the right side are fixedly connected to the right rear end of the mounting base. The two rear uprights on the same side are fixedly connected by a second horizontal front-to-back connecting beam.

[0010] Furthermore, a rear fixing frame is fixedly provided between the upper ends of the two rear columns on the left and the upper ends of the two rear columns on the right, and an upper pressure belt shaft is rotatably provided between the upper ends of the two rear fixing frames; a vertical second electric cylinder is fixedly provided on each rear fixing frame, and the piston rod of the second electric cylinder is vertically upward, and a second fixing seat is fixedly provided on the end of the piston rod of the second electric cylinder on the left and right sides, and a lower pressure belt shaft is rotatably provided between the two second fixing seats on the left and right, and the upper pressure belt shaft and the lower pressure belt shaft are distributed up and down.

[0011] Furthermore, an upper crossbeam is fixedly disposed between the upper end of the left rear front column and the upper end of the left front rear column, and an upper crossbeam is fixedly disposed between the upper end of the right rear front column and the upper end of the right front rear column. The two upper crossbeams are symmetrically disposed and are both arranged horizontally along the front-to-back direction. A row of upper rollers is fixedly disposed between the upper end surfaces of the two upper crossbeams, and the row of upper rollers is arranged along the front-to-back direction; a row of lower rollers is fixedly disposed between the lower end surfaces of the two upper crossbeams, and the row of lower rollers is arranged along the front-to-back direction.

[0012] Furthermore, the slewing arm includes a left longitudinal beam, a right longitudinal beam, a front cross beam, and a rear cross beam; the left longitudinal beam and the right longitudinal beam are symmetrically arranged on the left and right sides, and the left longitudinal beam and the right longitudinal beam are horizontally distributed along the front and rear directions; the two ends of the left and right horizontal front cross beams are respectively fixedly connected to the front ends of the left longitudinal beam and the right longitudinal beam, and the two ends of the left and right horizontal rear cross beams are respectively fixedly connected to the middle parts of the left longitudinal beam and the right longitudinal beam.

[0013] Furthermore, the rotating shaft is arranged vertically, and a rotating support is provided between the lower end of the rotating shaft and the rotating mounting seat, and a left and right horizontal fixing rod is fixedly provided at the upper end of the rotating shaft, and the fixing rod is located inside the rotating arm, and the fixing rod is located between the front cross beam and the rear cross beam, and the fixing rod remains parallel to the front cross beam and the rear cross beam, and the two ends of the fixing rod are respectively rotatably connected to the left longitudinal beam and the right longitudinal beam of the rotating arm, and a third electric cylinder is provided between the rotating shaft and the rear cross beam of the rotating arm, and one end of the cylinder bottom of the third electric cylinder is rotatably connected to the rotating shaft, and one end of the piston rod of the third electric cylinder is rotatably connected to the middle part of the rear cross beam of the rotating arm.

[0014] Furthermore, the rear ends of the left longitudinal beam and the right longitudinal beam of the rotating arm are respectively rotatably connected to the two ends of the reel, and the reel is horizontally arranged along the left and right directions; a drive motor is fixedly arranged at the rear end of the right longitudinal beam, and the output shaft of the drive motor is fixedly connected to the right end of the reel.

[0015] The beneficial effects of the present invention compared to the prior art are as follows:

[0016] The utility model provides an electric belt retracting and unreeling device for a belt conveyor, which adjusts the rotation angle and belt winding speed through a servo motor and an electric cylinder, does not require additional mechanisms, saves costs, and solves the problems of excessive friction of the belt deviation caused by an inappropriate angle or limited adjustable angle of the belt retracting and unreeling device during operation, the need to add a hydraulic station, and limited space. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described in detail below with reference to the accompanying drawings:

[0018] Figure 1 It is a side view of the utility model as a whole;

[0019] Figure 2 yes Figure 1 AA section view in;

[0020] Figure 3 yes Figure 1 Side view of the central slewing mount, slewing shaft, slewing arm, and reel;

[0021] Figure 4 It is a top view of the utility model as a whole;

[0022] Figure 5 It is a top view of the slewing arm and the fixed rod;

[0023] Among them, 1 is the mounting base, 2 is the front pressure belt mounting frame, 3 is the rear pressure belt mounting frame, 4 is the swivel mounting seat, 5 is the swivel shaft, 6 is the swivel arm, 7 is the reel, 8 is the front column, 9 is the front fixed frame, 10 is the first connecting rod, 11 is the rear column, 12 is the rear fixed frame, 13 is the upper pressure belt shaft, 14 is the second electric cylinder, 15 is the lower pressure belt shaft, 16 is the swivel bearing, 17 is the fixed rod, 18 is the left longitudinal beam, 19 is the right longitudinal beam, 20 is the front cross beam, 21 is the rear cross beam, 22 is the third electric cylinder, 23 is the upper cross beam, 24 is the upper roller, and 25 is the lower roller. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions, and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail with reference to the embodiments and accompanying drawings. It should be understood that the specific embodiments described herein are merely for the purpose of explaining the present invention and are not intended to limit the present invention. The technical solutions of the present invention will be described in detail below with reference to the embodiments and accompanying drawings, but the scope of protection is not limited thereto.

[0025] like Figure 1 As shown in FIG5 , the utility model provides an electric belt retracting and unreeling device for a belt conveyor, comprising a mounting base 1, a front belt pressing mounting frame 2 and a rear belt pressing mounting frame 3 are fixedly arranged on the front and rear sides of the mounting base 1, a swivel mounting base 4 is arranged on the mounting base 1 between the front belt pressing mounting frame 2 and the rear belt pressing mounting frame 3, a swivel mounting base 4 is rotatably arranged with a swivel shaft 5, a swivel arm 6 is rotatably arranged on the upper end of the swivel shaft 5, and a reel 7 is rotatably arranged on the end of the swivel arm 6 away from the swivel shaft 5.

[0026] The mounting base 1 is a horizontally arranged square frame structure.

[0027] The front pressure belt mounting frame 2 includes two front columns 8 distributed front and back on the left side and two front columns 8 distributed front and back on the right side. The left and right front columns 8 are symmetrically arranged. The lower ends of the two left front columns 8 are fixedly connected to the left front end of the mounting base 1, while the lower ends of the two right front columns 8 are fixedly connected to the right front end of the mounting base 1. The two front columns 8 on the same side are fixedly connected by a first horizontal front and rear connecting beam. A front fixing frame 9 is fixedly disposed between the upper ends of the two left front columns 8 and the upper ends of the two right front columns 8. Each front fixing frame 9 is fixedly disposed with a vertical first electric cylinder, the piston rod of the first electric cylinder pointing vertically upward. A first fixing seat is fixedly disposed at the end of the piston rod of each of the left and right first electric cylinders. A first connecting rod 10 and a second connecting rod are fixedly disposed vertically between the two first fixing seats. The first connecting rod 10 and the second connecting rod are both arranged horizontally along the left and right directions.

[0028] The rear pressure belt mounting frame 3 includes two rear columns 11 distributed front to back on the left side and two rear columns 11 distributed front to back on the right side. The rear columns 11 on the left and right sides are symmetrically arranged. The lower ends of the two rear columns 11 on the left side are fixedly connected to the left side of the rear end of the mounting base 1, while the lower ends of the two rear columns 11 on the right side are fixedly connected to the right side of the rear end of the mounting base 1. The two rear columns 11 on the same side are fixedly connected by a second horizontal front-to-back connecting beam. A rear fixing frame 12 is fixedly provided between the upper ends of the two rear side columns 11 on the left and the upper ends of the two rear side columns 11 on the right, and an upper pressure belt shaft 13 is rotatably provided between the upper ends of the two rear side fixing frames 12; a vertical second electric cylinder 14 is fixedly provided on each rear fixing frame 12, and the piston rod of the second electric cylinder 14 is vertically upward, and a second fixed seat is fixedly provided on the end of the piston rod of the second electric cylinder 14 on the left and right sides, and a lower pressure belt shaft 15 is rotatably provided between the two second fixed seats on the left and right, and the upper pressure belt shaft 13 and the lower pressure belt shaft 15 are distributed up and down.

[0029] The rotary shaft 5 is arranged vertically, and a rotary support 16 is provided between the lower end of the rotary shaft 5 and the rotary mounting seat 4. The rotary support 16 has a servo motor, which drives the rotary support 16 to rotate and further drives the rotary shaft 5 to rotate on the rotary mounting seat 4.

[0030] A left and right horizontal fixing rod 17 is fixedly provided at the upper end of the rotating shaft 5 , and the upper end of the rotating shaft 5 is fixedly connected to the middle part of the fixing rod 17 .

[0031] The slewing arm 6 includes a left longitudinal beam 18, a right longitudinal beam 19, a front cross beam 20, and a rear cross beam 21; the left longitudinal beam 18 and the right longitudinal beam 19 are arranged symmetrically on the left and right sides, and the left longitudinal beam 18 and the right longitudinal beam 19 are horizontally distributed along the front and rear directions; the two ends of the left and right horizontal front cross beams 20 are respectively fixedly connected to the front ends of the left longitudinal beam 18 and the right longitudinal beam 19, and the two ends of the left and right horizontal rear cross beams 21 are respectively fixedly connected to the middle parts of the left longitudinal beam 18 and the right longitudinal beam 19.

[0032] The fixing rod 17 is located inside the pivot arm 6, between the front crossbeam 20 and the rear crossbeam 21, and is parallel to the front crossbeam 20 and the rear crossbeam 21. The ends of the fixing rod 17 are rotatably connected to the left longitudinal beam 18 and the right longitudinal beam 19 of the pivot arm 6, respectively, so that the pivot arm 6 can pitch about the pivot axis 5.

[0033] A third electric cylinder 22 is arranged between the rotating shaft 5 and the rear cross beam 21 of the rotating arm 6. One end of the cylinder bottom of the third electric cylinder 22 is rotatably connected to the rotating shaft 5, and one end of the piston rod of the third electric cylinder 22 is rotatably connected to the middle part of the rear cross beam 21 of the rotating arm 6. The pitching movement of the rotating arm 6 is realized by the extension and retraction of the third electric cylinder 22.

[0034] The rear ends of the left longitudinal beam 18 and the right longitudinal beam 19 of the slewing arm 6 are rotatably connected to the two ends of the reel 7, and the reel 7 is arranged horizontally along the left and right directions. A drive motor is fixedly installed at the rear end of the right longitudinal beam 19, and the output shaft of the drive motor is fixedly connected to the right end of the reel 7, and the reel is driven to rotate by the drive motor.

[0035] A servo motor drives the slewing bearing 16, which in turn drives the slewing shaft 5. The slewing shaft 5 drives the slewing arm 6 and the reel 7 to rotate horizontally. The third electric cylinder 22 is extended and retracted to achieve the pitching motion of the slewing arm 6, thereby adjusting the height of the reel 7. The drive motor controls the rotational speed of the reel 7.

[0036] An upper crossbeam 23 is fixedly mounted between the upper end of the left rear front column 8 and the upper end of the left front rear column 11. Another upper crossbeam 23 is fixedly mounted between the upper end of the right rear front column 8 and the upper end of the right front rear column 11. The two upper crossbeams 23 are symmetrically positioned and are both arranged horizontally along the front-to-back direction. A row of upper rollers 24 is fixedly mounted between the upper end surfaces of the two upper crossbeams 23, and the row of upper rollers 24 is arranged along the front-to-back direction. A row of lower rollers 25 is fixedly mounted between the lower end surfaces of the two upper crossbeams 23, and the row of lower rollers 25 is arranged along the front-to-back direction.

[0037] The utility model provides an electric belt retracting and unreeling device for a belt conveyor, which is electrically driven, can be remotely controlled, can adjust the speed, and can adjust the angle at any time, without the need to add a hydraulic station or other mechanism, thus saving space and cost, and being easy to install and operate. It can be remotely controlled to protect personnel safety, and can be controlled by a servo motor to achieve arbitrary angle adjustment, thereby solving the problem of excessive friction and damage to the belt caused by inappropriate angles or limited adjustable angles during operation of traditional belt winding devices.

[0038] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An electric belt retracting and unreeling device for a belt conveyor, characterized in that: The utility model comprises a mounting base (1), a front side pressing belt mounting frame (2) and a rear side pressing belt mounting frame (3) are fixedly arranged on the front and rear sides of the mounting base (1), a swivel mounting base (4) is arranged on the mounting base (1) between the front side pressing belt mounting frame (2) and the rear side pressing belt mounting frame (3), a swivel mounting base (4) is rotatably arranged on the swivel mounting base (4), a swivel arm (6) is rotatably arranged on the upper end of the swivel shaft (5), and a reel (7) is rotatably arranged on the end of the swivel arm (6) away from the swivel shaft (5).

2. The electric belt retracting and unreeling device for a belt conveyor according to claim 1, characterized in that: The mounting base (1) is a horizontally arranged square frame structure.

3. The electric belt retracting and unreeling device for a belt conveyor according to claim 1, characterized in that: The front side pressure belt mounting frame (2) comprises two front side columns (8) distributed front and back on the left side and two front side columns (8) distributed front and back on the right side, and the front side columns (8) on the left and right sides are symmetrically arranged; the lower ends of the two front side columns (8) on the left side are respectively fixedly connected to the left side of the front end of the mounting base (1), and the lower ends of the two front side columns (8) on the right side are respectively fixedly connected to the right side of the front end of the mounting base (1); the two front side columns (8) on the same side are fixedly connected by a first horizontal front and rear connecting beam.

4. The electric belt retracting and unreeling device for a belt conveyor according to claim 3, characterized in that: A front fixing frame (9) is fixedly provided between the upper ends of the two front side columns (8) on the left and the upper ends of the two front side columns (8) on the right, respectively. A vertical first electric cylinder is fixedly provided on each front side fixing frame (9), and the piston rod of the first electric cylinder is vertically upward; a first fixing seat is fixedly provided at the end of the piston rod of the first electric cylinder on the left and right sides, respectively. A first connecting rod (10) and a second connecting rod distributed vertically are fixedly provided between the two first fixing seats on the left and right, and the first connecting rod (10) and the second connecting rod are both horizontally provided along the left-right direction.

5. The electric belt retracting and unreeling device for a belt conveyor according to claim 4, characterized in that: The rear pressure belt mounting frame (3) comprises two rear side columns (11) distributed front and rear on the left side and two rear side columns (11) distributed front and rear on the right side, and the rear side columns (11) on the left and right sides are symmetrically arranged; the lower ends of the two rear side columns (11) on the left side are respectively fixedly connected to the left side of the rear end of the mounting base (1), and the lower ends of the two rear side columns (11) on the right side are respectively fixedly connected to the right side of the rear end of the mounting base (1); the two rear side columns (11) on the same side are fixedly connected by a second horizontal front and rear connecting beam.

6. The electric belt retracting and unreeling device for a belt conveyor according to claim 5, characterized in that: A rear fixing frame (12) is fixedly provided between the upper ends of the two rear side uprights (11) on the left and the upper ends of the two rear side uprights (11) on the right, respectively. An upper pressure belt shaft (13) is rotatably provided between the upper ends of the two rear side fixing frames (12); a vertical second electric cylinder (14) is fixedly provided on each rear side fixing frame (12), a piston rod of the second electric cylinder (14) is vertically upward, a second fixing seat is fixedly provided at the end of the piston rod of the second electric cylinder (14) on the left and right sides, respectively, a lower pressure belt shaft (15) is rotatably provided between the two second fixing seats on the left and right, and the upper pressure belt shaft (13) and the lower pressure belt shaft (15) are distributed up and down.

7. The electric belt retracting and unreeling device for a belt conveyor according to claim 6, characterized in that: An upper cross beam (23) is fixedly provided between the upper end of the front column (8) at the left rear and the upper end of the rear column (11) at the left front, and an upper cross beam (23) is fixedly provided between the upper end of the front column (8) at the right rear and the upper end of the rear column (11) at the right front. The two upper cross beams (23) are symmetrically arranged on the left and right and are both arranged horizontally along the front-to-back direction. A row of upper rollers (24) is fixedly provided between the upper end surfaces of the two upper cross beams (23), and the row of upper rollers (24) is arranged along the front-to-back direction. A row of lower rollers (25) is fixedly provided between the lower end surfaces of the two upper cross beams (23), and the row of lower rollers (25) is arranged along the front-to-back direction.

8. The electric belt retracting and unreeling device for a belt conveyor according to claim 1, characterized in that: The slewing arm (6) comprises a left longitudinal beam (18), a right longitudinal beam (19), a front cross beam (20), and a rear cross beam (21); the left longitudinal beam (18) and the right longitudinal beam (19) are symmetrically arranged on the left and right sides, and the left longitudinal beam (18) and the right longitudinal beam (19) are horizontally distributed along the front-back direction; the two ends of the left and right horizontal front cross beams (20) are respectively fixedly connected to the front ends of the left longitudinal beam (18) and the right longitudinal beam (19), and the two ends of the left and right horizontal rear cross beams (21) are respectively fixedly connected to the middle parts of the left longitudinal beam (18) and the right longitudinal beam (19).

9. The electric belt retracting and unreeling device for a belt conveyor according to claim 8, characterized in that: The rotary shaft (5) is vertically arranged, and a rotary support (16) is arranged between the lower end of the rotary shaft (5) and the rotary mounting seat (4). A left and right horizontal fixing rod (17) is fixedly arranged at the upper end of the rotary shaft (5), and the fixing rod (17) is located inside the rotary arm (6). The fixing rod (17) is located between the front crossbeam (20) and the rear crossbeam (21), and the fixing rod (17) is connected to the front crossbeam (20) and the rear crossbeam (21). Maintaining parallelism, the two ends of the fixed rod (17) are respectively connected to the left longitudinal beam (18) and the right longitudinal beam (19) of the slewing arm (6) for rotation. A third electric cylinder (22) is provided between the slewing shaft (5) and the rear cross beam (21) of the slewing arm (6). One end of the cylinder bottom of the third electric cylinder (22) is connected to the slewing shaft (5) for rotation, and one end of the piston rod of the third electric cylinder (22) is connected to the middle of the rear cross beam (21) of the slewing arm (6) for rotation.

10. The electric belt retracting and unreeling device for a belt conveyor according to claim 8, characterized in that: The rear ends of the left longitudinal beam (18) and the right longitudinal beam (19) of the slewing arm (6) are rotatably connected to the two ends of the reel (7), respectively, and the reel (7) is arranged horizontally along the left and right directions; a drive motor is fixedly arranged at the rear end of the right longitudinal beam (19), and the output shaft of the drive motor is fixedly connected to the right end of the reel (7).

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