阅读说明：本技术 一种倍增扭矩带式输送机断带抓捕器 (Broken belt catcher of multiplication torque belt conveyor ) 是由 张先胜 陈迁 于 2020-07-06 设计创作，主要内容包括：一种倍增扭矩带式输送机断带抓捕器,机架包括两个侧壁,上抓捕架一端连接有抓捕块,另一端以能够转动的方式与机架侧壁相连；两侧壁之间的上部固定连接有与上抓捕架的抓捕块配合的上横梁；上抓捕架侧边连接有动滑轮,机架还连接有用于绳索换向的换向结构；绳索一端与机架固定相连,另一端依次绕过动滑轮和换向结构后与保持下落趋势的配重块固定相连；本发明上抓捕架与机架通过转轴铰接,两者能够相互转动,用动滑轮作为配重块牵拉上抓捕架的中间结构,在不增加配重块的情况下,使力矩倍增,抓捕架抓捕更结实紧密,不会出现抓捕动作做出后断掉的传送带因为自身及载荷的重量而继续滑动。(A broken belt catcher of a multiplication torque belt conveyor comprises a rack and a lower catching frame, wherein the rack comprises two side walls, one end of the upper catching frame is connected with a catching block, and the other end of the upper catching frame is connected with the side walls of the rack in a rotatable mode; the upper part between the two side walls is fixedly connected with an upper cross beam matched with the catching block of the upper catching frame; the side edge of the upper catching frame is connected with a movable pulley, and the rack is also connected with a reversing structure for reversing the rope; one end of the rope is fixedly connected with the frame, and the other end of the rope is fixedly connected with a balancing weight which keeps falling trend after sequentially passing around the movable pulley and the reversing structure; the upper catching frame and the rack are hinged through the rotating shaft, the upper catching frame and the rack can rotate mutually, the movable pulley is used as a balancing weight to draw the middle structure of the upper catching frame, the moment is multiplied under the condition that the balancing weight is not increased, the catching frame catches more firmly and tightly, and the phenomenon that a broken conveying belt continues to slide due to the weight of the catching frame and the load after catching is performed is avoided.)

1. The broken belt catcher of the multiplication torque belt conveyor is characterized by comprising a frame (12), a balancing weight (3), an upper catching frame (5), a movable pulley (4) and a rope (14); the machine frame (12) comprises two side walls, one end of the upper capturing frame (5) is connected with the capturing block (6), and the other end of the upper capturing frame is connected with the side walls of the machine frame (12) in a rotatable mode; the upper part between the two side walls is fixedly connected with an upper cross beam (1) matched with the catching block (6) of the upper catching frame (5); the side edge of the upper capturing frame (5) is connected with a movable pulley (4), and the rack (12) is also connected with a reversing structure for reversing the rope (14); one end of the rope (14) is fixedly connected with the rack (12), and the other end of the rope is fixedly connected with the balancing weight (3) keeping the falling trend after sequentially passing around the movable pulley (4) and the reversing structure; the height of the reversing structure in the vertical direction is not lower than the position of the movable pulley (4) when the catching block (6) of the upper catching frame (5) rotates to the highest point; an upper supporting roller (13) which can rotate relative to the upper capturing frame (5) is arranged at the upper part of the upper capturing frame (5).

2. A torque multiplying belt conveyor belt break catcher as claimed in claim 1, characterized in that the direction of the rope (14) passing around the travelling block (4) is from bottom to top.

3. The belt-broken belt-capturing device for the multiplication torque belt conveyor according to claim 1, characterized in that the belt-broken belt-capturing device for the multiplication torque belt conveyor further comprises a lower capturing frame (11), one end of the lower capturing frame (11) is connected with the capturing block (6), and the other end is rotatably connected with the side wall of the machine frame (12); a lower carrier roller (8) capable of rotating relative to the lower capturing frame (11) is arranged at the lower part of the lower capturing frame (11); the upper catching frame (5) and the lower catching frame (11) are arranged between the lower belt (9) and the upper belt (10) of the conveying belt.

4. A belt-broken belt-catcher as claimed in claim 1, characterized in that the lower part between the two side walls is fixedly connected with a lower cross-beam (7) which cooperates with the catching blocks (6) of the lower catching frame (11).

5. The broken belt arrester of the multiplication torque belt conveyor according to claim 1, characterized in that the side edges of both sides of the upper arresting frame (5) are connected with movable pulleys (4), and both sides of the frame (12) are respectively provided with a group of ropes (14) and counter weights (3) which are matched with the movable pulleys (4) on the same side; the movable pulleys (4), the ropes (14) and the balancing weights (3) on the two sides are symmetrical about the central axis of the frame (12).

6. The belt break catcher as claimed in claim 1, characterized in that the reversing structure is aligned in the vertical direction with the upper edge of the movable pulley (4) when the catch block (6) of the upper catch rack (5) is rotated to the highest point; the connecting point of one end of the rope (14) and the rack (12) is flush with the lower edge of the movable pulley (4) when the catching block (6) of the upper catching frame (5) rotates to the highest point.

7. A multiplied torque belt conveyor broken belt catcher as claimed in any one of claims 1-6, characterized in that said multiplied torque belt conveyor broken belt catcher is characterized in that said upper idler (13) is connected to the upper catching frame (5) by means of a shock-absorbing part.

8. The belt broken catcher of the torque-multiplying belt conveyor as claimed in claim 7, wherein the shock-absorbing part comprises a base plate (15) fixedly connected with the upper catching frame (5), and an upper bracket (16) rotatably connected with the upper supporting roller (13), the lower part of the upper bracket (16) is of a flat plate structure, the flat plate structure is connected with the base plate (15) through bolts, and shock-absorbing springs are sleeved on the bolts between the flat plate structure and the base plate (15).

The technical field is as follows:

the invention relates to the technical field of broken belt arresters of belt conveyors, in particular to a broken belt arrester of a torque multiplication belt conveyor.

Background art:

the broken belt catcher of the belt conveyor is a broken belt catching device used on the belt conveyor, when the conveying belt is broken, the broken belt catcher can quickly catch the conveying belt, prevent the conveying belt and materials from sliding downwards, and avoid causing harm to personnel and the belt conveyor. The working principle of the conventional catcher is that the belt of the belt conveyor is broken and the catcher is triggered to generate non-catching action, and the power of the catching action generally comes from hydraulic equipment, a counterweight weight and the like. In the verification of reliability, the catcher realizes catching action by utilizing the self gravity of the counterweight weight, and has simple structure and low failure rate.

In order that the broken conveyor belt does not continue to slide due to the weight of the conveyor belt and the load after the catching action is performed, i.e. the catching reliability is improved, the weight of the counterweight needs to be kept at a very large level. A huge frame is matched with the huge counterweight, and the traction of the counterweight block can be borne and kept stable only by the thickness of the frame. This has a very adverse effect on both production cost control and installation in use.

The patent numbers applied by Shandong science and technology university are: 201020207915.7, the patent names: the patent of the belt conveyer broken belt catcher describes a broken belt catcher using a ' counterweight arm ', which can objectively realize that the ' counterweight arm ' is set to be long enough to reduce the weight of a counterweight, but the use environment of the ' broken belt catcher ' determines that the counterweight arm cannot be set too long, otherwise, the installation of the ' broken belt catcher is difficult, and the large-fall swing not only harms the ' broken belt catcher ' per se, but also possibly harms the safety of workers.

The invention content is as follows:

in order to solve the problems and overcome the defects of the prior art, the invention aims to provide the broken belt catcher of the multiplication torque belt conveyor, which has small counterweight, large clamping force and high catching reliability.

In order to achieve the purpose, the broken belt catcher of the multiplication torque belt conveyor comprises a rack, a balancing weight, an upper catching frame, a movable pulley and a rope; the machine frame comprises two side walls, one end of the upper capturing frame is connected with the capturing block, and the other end of the upper capturing frame is connected with the side walls of the machine frame in a rotatable mode; the upper part between the two side walls is fixedly connected with an upper cross beam matched with the catching block of the upper catching frame; the side edge of the upper capturing frame is connected with a movable pulley, and the rack is also connected with a reversing structure for reversing the rope; one end of the rope is fixedly connected with the rack, and the other end of the rope is fixedly connected with a balancing weight which keeps falling trend after sequentially passing around the movable pulley and the reversing structure; the height of the reversing structure in the vertical direction is not lower than the position of the movable pulley when the catching block of the upper catching frame rotates to the highest point; and an upper supporting roller which can rotate relative to the upper capturing frame is arranged at the upper part of the upper capturing frame.

Further, the direction that the rope passes around the movable pulley is from bottom to top.

Furthermore, the broken belt catcher of the multiplication torque belt conveyor also comprises a lower catching frame, one end of the lower catching frame is connected with a catching block, and the other end of the lower catching frame is connected with the side wall of the rack in a rotatable manner; a lower supporting roller capable of rotating relative to the lower capturing frame is arranged at the lower part of the lower capturing frame; the upper catching frame and the lower catching frame are arranged between the lower belt and the upper belt of the conveying belt.

Further, a lower cross beam matched with the capturing block of the lower capturing frame is fixedly connected to the lower portion between the two side walls.

Furthermore, the side edges of two sides of the upper catching frame are both connected with movable pulleys, and two sides of the rack are respectively provided with a group of ropes and balancing weights matched with the movable pulleys on the same side; the movable pulleys, the ropes and the balancing weights on the two sides are symmetrical about the central axis plane of the frame.

The invention has the beneficial effects that: the upper catching frame and the rack are hinged through the rotating shaft, the upper catching frame and the rack can rotate mutually, the movable pulley is used as a balancing weight to draw the middle structure of the upper catching frame, the moment is multiplied under the condition that the balancing weight is not increased, the catching frame catches more firmly and tightly, and the phenomenon that a broken conveying belt continues to slide due to the weight of the catching frame and the load after catching is performed is avoided.

Description of the drawings:

fig. 1 is a schematic structural view of a capturing frame in an initial position according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a catching block of the catching frame in embodiment 2 of the invention when the catching block rotates to the highest point;

FIG. 3 is a partial sectional view schematically showing the structure of a capturing frame in embodiment 3 of the present invention;

in the drawings: 1. the device comprises an upper cross beam, 2, a fixed pulley, 3, a balancing weight, 4, a movable pulley, 5, an upper capturing frame, 6, a capturing block, 7, a lower cross beam, 8, a lower carrier roller, 9, a lower belt, 10, an upper belt, 11, a lower capturing frame, 12, a rack, 13, an upper carrier roller, 14, a rope, 15, a base plate, 16 and an upper support.

The specific implementation mode is as follows:

in order to make the implementation objects, technical solutions and advantages of the present invention clearer, the present invention will be described in more detail below with reference to the accompanying drawings of the present invention.

In the description of the present invention, it is to be understood that the description indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention. For example, the movable pulley can be arranged in the middle of the upper catching frame and also can be arranged at one end of the upper catching frame close to the catching block.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The broken belt catcher of the multiplication torque belt conveyor comprises a frame 12, a balancing weight 3, an upper catching frame 5, a movable pulley 4 and a rope 14; the rack 12 comprises two side walls, one end of the upper capturing frame 5 is connected with the capturing block 6, and the other end of the upper capturing frame is connected with the side walls of the rack 12 in a rotatable mode; the upper part between the two side walls is fixedly connected with an upper cross beam 1 matched with the catching block 6 of the upper catching frame 5; the side edge of the upper capturing frame 5 is connected with a movable pulley 4, and the rack 12 is also connected with a reversing structure for reversing the rope 14; one end of the rope 14 is fixedly connected with the frame 12, and the other end of the rope is fixedly connected with the balancing weight 3 keeping the falling trend after sequentially passing around the movable pulley 4 and the reversing structure; the height of the reversing structure in the vertical direction is not lower than the position of the movable pulley 4 when the catching block 6 of the upper catching frame 5 rotates to the highest point; an upper supporting roller 13 which can rotate relative to the upper capturing frame 5 is arranged at the upper part of the upper capturing frame 5.