阅读说明：本技术 一种双向全断带抓捕装置、m型抓捕装置及使用方法 (Bidirectional full-broken-belt capturing device, M-shaped capturing device and using method ) 是由 包继华 姜雪 周忠广 李国清 房建梅 于 2020-05-19 设计创作，主要内容包括：本发明公开了一种双向全断带抓捕装置、M型抓捕装置及其使用方法,包括支撑架和输送带,所述双向全断带抓捕装置还包括抓捕横梁和抓捕总成；抓捕横梁和抓捕总成分别设置于所述支撑架上,所述输送带设置于所述抓捕横梁和抓捕总成之间,所述抓捕总成相对于所述支撑架摆动并卡紧所述输送带。本装置在安装时不需要考虑方向性,双向可以使用,同时其整体结构简单坚固、免于日常维护,适用于各种复杂工况的带式输送机,在断带现象发生时,一对对称布置的抓捕架总成通过连杆结构同步对上、下输送带同时实施抓捕且抓捕结合点面为多点面接触。(The invention discloses a bidirectional full-broken-belt catching device, an M-shaped catching device and a using method thereof, wherein the bidirectional full-broken-belt catching device comprises a support frame and a conveying belt, and further comprises a catching cross beam and a catching assembly; the catching beam and the catching assembly are respectively arranged on the support frame, the conveying belt is arranged between the catching beam and the catching assembly, and the catching assembly swings relative to the support frame and clamps the conveying belt. The device does not need to consider directionality during installation, can be used in two directions, has a simple and firm integral structure, is free from daily maintenance, is suitable for belt conveyors under various complex working conditions, and synchronously captures the upper conveying belt and the lower conveying belt through the symmetrically arranged capturing frame assemblies through the connecting rod structure when the belt breakage phenomenon occurs, and captures the joint point surfaces in a multi-point surface contact manner.)

1. The bidirectional full-broken-belt catching device is characterized by comprising a support frame (1) and a conveying belt, and further comprising a catching beam (2) and a catching assembly (3); the catching beam (2) and the catching assembly (3) are respectively arranged on the support frame (1), the conveying belt is arranged between the catching beam (2) and the catching assembly (3), the catching assembly (3) swings relative to the support frame (1) and clamps the conveying belt, and the catching assembly (3) comprises a catching frame (31) and a rotating hinged shaft (32); and the upper end and the lower end of the catching frame (31) are simultaneously provided with a carrier roller (33), a wedge block (34) and a counterweight part (35) arranged at one end of the catching frame (31).

2. A bidirectional full-broken belt catching device as claimed in claim 1, characterized in that the conveyor belt comprises an upper conveyor belt (7) and a lower conveyor belt (8); the catching beam (2) comprises an upper catching beam (21) and a lower catching beam (22); the upper grasping cross beam (21) and the lower grasping cross beam (22) are respectively connected with the support frame (1) through mounting seats, the upper conveying belt (7) is arranged on one side of the upper grasping cross beam (21), and the lower conveying belt (8) is arranged on one side of the lower grasping cross beam (22).

3. The device for catching the full broken belt in two directions as claimed in claim 2, wherein the supporting rollers (33) at the upper and lower ends lift the upper conveyor belt (7) and press the lower conveyor belt (8) respectively and the distance between the upper conveyor belt (7) and the lower conveyor belt (8) is 200-400 mm.

4. A bidirectional full break belt capture device according to claim 3, characterized in that the wedges (34) form a wedge-shaped clamping gap with the capture beam (2).

5. A bidirectional full-broken belt catching device according to claim 1, characterized in that the idlers (33) are arranged on the catching frame (31) by idler supports (36).

6. A bidirectional full broken belt catching device as in claim 1 characterized in that said counterweight (35) is placed at the most distal end of the moment arm of the catching frame (31).

7. A bidirectional full-broken belt catching device as claimed in claim 6, characterized in that the counterweight (35) is a round bar and between the upper conveyor belt (7) and the lower conveyor belt (8) and the length of the round bar is less than or equal to the width of the conveyor belt.

8. The M-shaped capturing device is characterized by comprising a support frame (1) and a conveying belt, and further comprising a capturing beam (2) and two capturing assemblies (3); the two catching assemblies (3) are respectively symmetrically arranged on the support frame (1) and are connected through a connecting rod structure, and each catching assembly (3) comprises a catching frame (31) and a rotating hinge shaft (32); and the upper end and the lower end of the catching frame (31) are simultaneously provided with a carrier roller (33), a wedge block (34) and a counterweight part (35) arranged at one end of the catching frame (31).

9. An M-shaped catching device according to claim 8 characterized by that the link structure comprises a link rotation shaft (4), a link (5) and a synchronizing shaft (6); the two connecting rods (5) are arranged, one ends of the two connecting rods (5) are connected with the catching assembly (3) through the rotating shafts (4) respectively, and the other ends of the two connecting rods (5) are connected through the synchronizing shaft (6).

10. The use method of the catching device is characterized in that when a conveyer belt is broken, the pressing and holding effect on a carrier roller is lost, a catching assembly takes a rotating hinged shaft as a center, the rotating hinged shaft swings downwards and anticlockwise under the gravity action of a counterweight part, one end of the counterweight part clamps a lower catching cross beam, one end of a non-counterweight part swings anticlockwise and upwards to clamp an upper catching cross beam, an upper conveyer belt and a lower conveyer belt simultaneously catch and catch a combined surface in multi-point contact, a catching frame assembly swings simultaneously through the rotating hinged shaft and is close to the upper catching cross beam, wedge blocks and the upper catching cross beam form a wedge-shaped clamping gap, and the conveyer belt clamps and forms self-locking.

Technical Field

The invention relates to the field of belt breakage protection devices of belt conveyors, in particular to a bidirectional full-breakage belt catching device, an M-shaped catching device and a using method of the bidirectional full-breakage belt catching device, the M-shaped catching device and the M-shaped catching device, wherein the bidirectional full-breakage belt catching device is applied to the belt conveyors in the industries of coal, cement, electric power, chemical industry, ports, building materials and the like.

Background

The belt conveyor is widely applied to various fields of industries such as coal, cement, electric power, chemical industry, ports, building materials and the like, and in the operation process, once the conveyor belt breaks and slides downwards, the conveyor frame can be destroyed, equipment can be damaged, a transportation roadway can be blocked, long-time production halt and great economic loss can be caused, and even casualties can be caused.

In the prior art, chinese patent CN201713083U discloses a belt broken catcher for a belt conveyor, which is provided with an upper catching frame and a lower catching frame, and the upper catching frame and the lower catching frame are respectively driven, and the synchronism cannot be guaranteed. The lower catching frame has false action, the line contact is adopted, so the braking force is small, the reliability is low, in addition, the upper catching mechanism is contacted with the surface of the carrier belt under the tension action of the adhesive tape by the supporting carrier roller, and the supporting carrier roller also bears larger acting force from the counterweight mechanism, the acting force is finally exerted on the surface of the carrier belt by the supporting carrier roller, so the carrier belt is lifted to a certain height by the supporting carrier roller, and the defects are as follows: the bearing belt is bent, so that the belt is damaged, the service life of the belt is shortened, and potential safety hazards are brought; the wrap angle of the belt is reduced, conveyed materials are scattered, safety production is affected, labor intensity of workers is increased, meanwhile, the edges of two sides of the conveying belt are easily sheared by linear contact to damage the conveying belt, the conveying belt can be torn in serious cases, only one upper rubber belt catching portion is provided, the broken belt cannot be effectively caught in the moment, if the action of the upper rubber belt catching portion is insufficient, the broken belt cannot be effectively caught, reliability is low, installation is unidirectional, and the belt cannot be used reversely.

Chinese patent CN201310410358 discloses a broken belt catching device for a belt conveyor, which is characterized in that two front catching frames and a rear catching frame which are identical and parallel to each other are superposed in a forward direction, when a belt is broken, a front catching part acts first, the front catching part is not fixed, the front catching part catches the action of the rear catching frame after being picked, namely, the front catching frame catches the belt after being picked, or the front catching frame bears force on one side, a catching mechanism can brake the belt through the friction force between the catching wedge block and the belt, and meanwhile, the friction force of a shoe friction block is not enough, after the belt is broken, the belt can slide down for a large distance to be clamped, the reaction sensitivity is poor, the safety of the belt conveyor is reduced, the installation has unidirectionality, and the belt conveyor cannot be used in a reverse installation mode.

Chinese patent CN201711172852 discloses a mechanical broken belt catching device, wherein a triangular integral catcher is formed by a catcher and a lower catcher. When the belt is broken, the belt is caught by a counter torque, the braking area is small, the braking force of the double-point surface is concentrated, the adhesive tape is easily torn, and the clamping forces of the upper belt and the lower belt are mutually offset or the clamping force is reduced theoretically, the installation has unidirectionality, and the belt cannot be used reversely.

In addition, the broken belt catching devices appearing in the market are mainly in structural forms consisting of cams, eccentric wheels, cranks and the like as the braking mechanisms, the broken belt catching devices in the structural forms clamp the downward sliding conveying belt during braking, and the braking force is small and the reliability is low due to the linear contact, in addition, the linear contact easily generates shearing to the edges of the two sides of the conveying belt to damage the conveying belt, and the conveying belt can be torn in serious cases; when the conveying belt deviates, the conveying belt is often rubbed with the conveying belt to damage the conveying belt; easily cause blockage and easily cause error braking.

Disclosure of Invention

The invention aims to solve the technical problems that in the prior art, a catching frame is easy to generate misoperation during normal operation of a conveying belt, the production efficiency is seriously influenced, and the reliability of a broken belt catcher is reduced.

The technical scheme adopted by the first aspect of the invention for solving the technical problem is as follows.

A bidirectional full-broken belt catching device comprises a support frame and a conveying belt, and further comprises a catching beam and a catching assembly; the catching beam and the catching assembly are respectively arranged on the support frame, the conveying belt is arranged between the catching beam and the catching assembly, and the catching assembly swings relative to the support frame and clamps the conveying belt; the broken belt catching device belongs to full-section simultaneous catching of an upper belt and a lower belt, has high reliability and large catching force, cannot catch and damage the conveying belt, senses the tension change of the conveying belt through the catching assembly, is triggered by the gravity drive of the catching assembly, has rapid response and no error action, can be quickly released, and has short recovery time; the device does not need to consider directionality during installation, and can be used in two directions.

As a further improvement of the above solution, the conveyor belt comprises an upper conveyor belt and a lower conveyor belt; the catching cross beam comprises an upper catching cross beam and a lower catching cross beam; the upper grasping cross beam and the lower grasping cross beam are respectively connected with the support frame through mounting seats, the upper conveying belt is arranged on one side of the upper grasping cross beam, and the lower conveying belt is arranged on one side of the lower grasping cross beam.

As a further improvement of the above aspect, the catching assembly comprises a catching frame and a rotating hinge shaft; and the upper end and the lower end of the catching frame are simultaneously provided with a carrier roller, a wedge block and a counterweight part arranged at one end of the catching frame. The carrier rollers at the upper end and the lower end respectively lift the upper conveying belt and press the lower conveying belt. The wedge blocks and the catching cross beam form wedge-shaped clamping gaps, and the joint points of the bidirectional full-broken belt catching device are in multi-point surface contact, so that the bidirectional full-broken belt catching device provides enough catching force to enable the broken conveying belt to stop sliding downwards.

As a further improvement of the above scheme, the carrier roller is arranged on the capturing frame through a carrier roller supporting seat.

As a further improvement of the above scheme, the counterweight part is arranged at the farthest end of the force arm of the catching frame; the counterweight part is a round rod, the length of the round rod is less than or equal to the width of the conveying belt, and the counterweight part is arranged between the upper conveying belt and the lower conveying belt.

The counterweight part is a round rod, the distance between the upper conveying belt and the lower conveying belt and the distance between the upper conveying belt and the lower conveying belt which are pressed down are 200-400mm, and the gravity drive is realized to trigger the rotation of the catching assembly

The second aspect of the present invention adopts the technical solution to solve the technical problem.

A bidirectional M-shaped full-broken belt catching device comprises a supporting frame, a conveying belt, a catching beam and two catching assemblies; the two catching assemblies are respectively symmetrically arranged on the support frame and are connected through a connecting rod structure.

As a further improvement of the above solution, the link structure includes a link rotation shaft, a link, and a synchronizing shaft; the two connecting rods are arranged, one ends of the two connecting rods are respectively connected with the capture assembly through the rotating shaft, and the other ends of the two connecting rods are connected through the synchronizing shaft; the upper and lower belt surfaces are synchronously caught through a connecting rod structure, the combining points of the M-shaped bidirectional full-broken belt catching device are in multi-point surface contact, and the number of the combining points is 4.

The third aspect of the present invention adopts the following technical solution to solve the technical problem.

A use method of a catching device is characterized in that when a conveyer belt is broken, the pressing and holding effect on a carrier roller is lost, a catching assembly takes a rotating hinged shaft as a center, the rotating hinged shaft swings downwards and anticlockwise under the action of gravity of a counterweight part, one end of the counterweight part clamps a lower catching cross beam, one end of a non-counterweight part swings anticlockwise and upwards to clamp an upper catching cross beam, an upper conveyer belt and a lower conveyer belt simultaneously capture and a catching combined surface is in multi-point contact, a catching frame assembly swings simultaneously through the rotating hinged shaft and is close to the upper catching cross beam, wedge blocks and the upper catching cross beam form wedge-shaped clamping gaps, and the conveyer belt clamps and forms self-locking.

Compared with the prior art, the invention has the beneficial effects that: the broken belt catching device belongs to full-section simultaneous catching of an upper belt and a lower belt, has high reliability and large catching force, cannot catch and damage the conveying belt, senses the tension change of the conveying belt through the catching assembly, is triggered by the gravity drive of the catching assembly, has rapid response and no error action, can be quickly released, and has short recovery time; the device does not need to consider directionality during installation, can be used in two directions, has a simple and firm integral structure, is free from routine maintenance, and is suitable for belt conveyors under various complex working conditions.

The catching device drives the catching frame to act by means of the lever action of the counterweight part, and finally, the cross beam of the catching frame is tightly squeezed by the multipoint wedge blocks by means of the self weight and the downward sliding force of the conveying belt, so that the action is rapid, and the self-locking capacity is strong.

A pair of symmetrically arranged catching frame assemblies of the catching device synchronously catches the upper conveying belt and the lower conveying belt through a connecting rod structure, and catching joint point surfaces are in multi-point surface contact.

Drawings

FIG. 1 is a schematic view of the construction of the catching device of the present invention;

FIG. 2 is a schematic view showing the internal structure of the catching device of the present invention;

FIG. 3 is a schematic view of the structure of the catching assembly of the catching device of the present invention mounted on the supporting frame;

FIG. 4 is a schematic front view of the catching device of the present invention;

FIG. 5 is a schematic cross-sectional view of the catching device of the present invention;

fig. 6 is a schematic structural view of a catching frame of the catching device of the invention;

FIG. 7 is a schematic view of a capture assembly according to an embodiment of the present invention;

FIG. 8 is a schematic view of the deployment of the capture assembly of the capture device of the present invention;

fig. 9 is a schematic front view of the capturing device of fig. 8;

fig. 10 is a schematic top view of the capturing apparatus of fig. 8 according to the present invention.

In the drawings: 1 is a support frame, 2 is a catching beam, 3 is a catching assembly, 4 is a connecting rod rotating shaft, 5 is a connecting rod, 6 is a synchronizing shaft, 7 is an upper conveying belt, 8 is a lower conveying belt, 21 is an upper catching beam, 22 is a lower catching beam, 31 is a catching frame, 32 is a carrier roller, 33 is a wedge block, 35 is a counterweight part, and 36 is a carrier roller supporting seat.

Detailed Description

The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

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; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1-10, a bidirectional full-broken belt catching device comprises a support frame 1 and a conveying belt, and further comprises a catching beam 2 and a catching assembly 3; the catching beam 2 and the catching assembly 3 are respectively arranged on the support frame 1, the conveying belt is arranged between the catching beam 2 and the catching assembly 3, and the catching assembly 3 swings relative to the support frame 1 and clamps the conveying belt. When the catching device is used, when the conveyer belt is broken, the catching assembly 3 swings to be matched with the catching beam 2, so that the broken conveyer belt stops sliding downwards; the broken belt catching device belongs to full-section simultaneous catching of an upper belt and a lower belt, has high reliability and large catching force, cannot catch and damage the conveying belt, senses the tension change of the conveying belt through the catching assembly, is triggered by the gravity drive of the catching assembly, has rapid response and no error action, can be quickly released, and has short recovery time; the device does not need to consider directionality during installation, can be used in two directions, has a simple and firm integral structure, is free from routine maintenance, and is suitable for belt conveyors under various complex working conditions.

In the above embodiment, the conveyor belts include the upper conveyor belt 7 and the lower conveyor belt 8; the catching beam 2 comprises an upper catching beam 21 and a lower catching beam 22; the upper grasping cross beam 21 and the lower grasping cross beam 22 are respectively connected with the support frame 1 through mounting seats. The upper conveyor belt 7 is arranged on one side of the upper grasping cross beam 21, i.e. the upper conveyor belt 7 is close to the upper grasping cross beam 21; the lower conveyor belt 8 is arranged on one side of the lower catching beam 22, i.e. the lower conveyor belt 8 is close to the lower catching beam 22.

The catching assembly 3 comprises a catching frame 31 and a rotating hinge shaft 32; the catching assembly 3 swings on the supporting frame 1 through the rotating hinge shaft 32; the upper end and the lower end of the catching frame 31 are simultaneously provided with a carrier roller 33, a wedge block 34 and a counterweight part 35 arranged at one end of the catching frame 31. The supporting rollers 33 at the upper end and the lower end respectively lift the upper conveying belt 7 and press the lower conveying belt 8, the distance between the upper conveying belt and the lower conveying belt is adjustable at 200-400mm during use, and the wedge blocks 34 and the catching cross beam 2 form a wedge-shaped clamping gap. Because the binding point of the bidirectional full broken belt catching device is in multi-point surface contact, the number of the binding points is 2, the stressed surface A is stressed firstly under the action of weight, and the stressed surface B is stressed finally; specifically, in the above example of the conveyor belt 7, at the moment when the upper conveyor belt 7 is broken and loses the pressing and holding effect on the carrier roller, the capturing assembly 3 takes the rotating hinge shaft 32 as the center, swings downwards and anticlockwise under the gravity of the counterweight part 35, clamps the lower capturing beam 22, and swings upwards and anticlockwise at one end of the non-counterweight part 35 to clamp the upper capturing beam 21; the catching frame assembly 3 swings simultaneously and is close to the upper catching beam 21 by rotating the hinge shaft 32, at the moment, wedge-shaped clamping gaps are formed between the wedge blocks 34 and the upper catching beam 21, and the upper conveying belt 7 and the lower conveying belt 8 are clamped and form self-locking; the catching assembly utilizes a wedge-shaped braking principle, and during catching, the wedge blocks 34 and the catching cross beam 2 are more and more tight when getting over the wedge, so that the wedge blocks provide enough catching force to enable the broken conveying belt to stop sliding downwards.

In the above embodiment, the connection relationship between the capturing frame 31 and the bidirectional full-broken belt capturing device is that a capturing frame shaft is arranged at the upper end of the capturing frame 31, a capturing frame shaft mounting hole is arranged on the support frame 1, and the capturing frame 31 is arranged on the capturing frame mounting hole through the capturing frame shaft; the connection relationship between the rotary hinge shaft 32 and the bidirectional full-broken belt catching device is that the rotary hinge shaft 32 is connected with the catching frame 31 through a rotary hinge shaft fixing seat, and two ends of the rotary hinge shaft are connected with the supporting frame through rotary hinge shaft holes arranged on the supporting frame 1.

In the above embodiment, the carrier roller 33 is disposed on the capturing frame 31 through a carrier roller support seat 36, wherein two ends of the carrier roller 33 are provided with carrier roller shafts, the carrier roller support seat 36 is provided with carrier roller support grooves, and when in use, the carrier roller shafts are disposed in the carrier roller support grooves so as to rotate along with the conveying belt.

Counterweight portion 35 is located through counterweight portion supporting seat on the frame of arresting 31, for the convenience of being fixed in of counterweight portion 35 on the counterweight portion supporting seat, counterweight portion supporting seat has been seted up and has been held the hole or the groove of counterweight portion 35, counterweight portion 35 set up in arresting frame 31's the arm of force most distal end, the arm of force of counterweight end 35 preferred selection is greater than or equal to the arm of force of choosing the end, obviously the arm of force of counterweight end 35 also can be less than or equal to the arm of force of choosing the end, the preferred round bar of chooseing for use of counterweight portion 35 just at last conveyer belt under and between the conveyer belt, length is less than or equal to the width of conveyer belt, obviously, counterweight portion 35 adopts strip shape (cuboid) or other shapes all can realize that gravity drive triggers the rotation of arresting assembly 3.

The invention also discloses a bidirectional M-shaped full-broken-belt catching device, which comprises a support frame 1 and a conveying belt, and further comprises a catching beam 2 and two catching assemblies 3; the two catching assemblies 3 are respectively symmetrically arranged on the support frame 1 and are connected through a connecting rod structure; the connecting rod structure comprises a connecting rod rotating shaft 4, a connecting rod 5 and a synchronizing shaft 6; the number of the connecting rods 5 is two, one ends of the two connecting rods 5 are respectively connected with the catching assembly 3 through the rotating shaft 4, and the other ends of the two connecting rods 5 are connected through the synchronizing shaft 6. When the belt breakage phenomenon occurs, a pair of symmetrically arranged catching assemblies 3 synchronously catch the upper belt surface and the lower belt surface through a connecting rod structure, the using methods of the bidirectional M-shaped full belt breakage catching device and the bidirectional full belt breakage catching device are consistent, and it should be noted that as the combining points of the M-shaped bidirectional full belt breakage catching device are multipoint surface contact, the number of the M-shaped full belt breakage catching device is 4, the force bearing surfaces A, C bear force firstly under the action of weight, and finally B, D bears force.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.