CN112551085A

CN112551085A - Longitudinal fracture protection device for conveyor belt

Info

Publication number: CN112551085A
Application number: CN202011383347.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Yu Songlei
Current assignee: Yu Songlei
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-03-26

Abstract

The invention relates to the technical field of conveyor belt protection, and discloses a conveyor belt longitudinal fracture protection device which comprises two support frames, two conveyor belts and a controller, wherein the two support frames are symmetrically arranged by taking the conveyor belts as centers. Through the activity press from both sides, the setting of resistance one and contact piece one, make when the conveyer belt is cut open the back, under the effect of material, when inwards turning on one's side, can drive the activity press from both sides and carry out certain deflection for the fulcrum with the last movable roll of lower splint, make and carry out relative movement between resistance one and the contact piece one, arouse the circuit current change, and then trigger the warning, and make the conveyer belt stop, and simultaneously, the deformation that the conveyer belt lacerated back arouses is different, it is different to carry out relative movement length between resistance one and the contact piece one among the many equipment of messenger, and then lead to each circuit current inequality, when the great current value of multiunit change value appears, then stop the conveyer belt immediately, reduce the wrong report police that the undulant initiation of conveyer belt, improve protection device's precision.

Description

Longitudinal fracture protection device for conveyor belt

Technical Field

The invention relates to the technical field of conveyor belt protection, in particular to a longitudinal conveyor belt fracture protection device.

Background

In recent years, longitudinal tearing of a conveying belt occurs, the conveying belt is completely damaged due to longitudinal tearing within minutes, great economic loss is caused, and the longitudinal tearing of the conveying belt has multiple reasons, wherein the conveying belt is torn due to the fact that the conveying belt is pierced by external large pieces of waste steel or wood or due to the blockage of a chute during feeding, a long strip of metal materials is clamped between the chute and a bearing roller to tear the conveying belt, and the tearing opening is gradually increased along with the movement of the conveying belt, so that the situation that the conveying belt cannot be repaired is achieved, so that a longitudinal tearing protection device is added to protect the safety of the conveying belt, the tearing of the conveying belt is found in time, the conveying belt is stopped, and the length of the tearing opening is reduced, but the currently used longitudinal tearing protection device has the following defects:

the protection device is torn vertically that uses at present mostly is located the below of transportation area, when the object pierces through the transportation area, touch with vertical tear protection device, trigger the warning and make the transportation area stop, but some objects do not pierce through the transportation area, just tear the transportation area, and then under the effect of material itself, enlarge the tear notch gradually, when discovering, great loss has been caused, and simultaneously, its structure of current vertical tear protection device is comparatively single, and trigger the form comparatively simple, lack the contrast and verify, the wrong report of police should be sent out easily, make transportation area stop work, cause the work efficiency reduction in transportation area.

Disclosure of Invention

The invention provides a longitudinal conveyor belt fracture protection device which has the advantages of double protection and high triggering alarm accuracy and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a vertical protection device that splits in transportation area, includes support frame, transportation area and controller, the support frame has two, and uses the transportation area to set up as central symmetry, evenly fixed cover has been cup jointed on the support frame and has fixed cover, swing joint has the bearing roller on the fixed cover of sheatheeing in, transportation area and bearing roller swing joint, its characterized in that: fixed mounting has the support swash plate on the support frame and be located between two fixed covers, even fixed mounting has the arc on the support swash plate, the inboard card of arc is equipped with the movable groove, movable mounting has the arc spring in the movable groove of arc, movable joint has the movable clamp in the movable groove of arc, the both ends of arc spring are fixed with the top and the activity clamp of arc respectively and are connected, the bottom surface swing joint that the activity was pressed from both sides has resistance one, the inside fixed mounting of arc has contact piece one, resistance one and contact piece swing joint, the inside movable mounting that the activity was pressed from both sides has the side to move detection device, the horizontal even fixed mounting in inside of transportation area has the reinforcement steel cable, the activity is pressed from both sides and transportation area activity joint, the both sides in transportation area move detection device swing joint with the side respectively.

Preferably, the activity is pressed from both sides including the link, the top fixed mounting punch holder of link, the below fixed mounting of link has the lower plate, the left end of punch holder and lower plate movable mounting respectively has the movable roller, movable roller and conveyer belt swing joint, punch holder and lower plate are made by the elastic steel.

Preferably, the upper clamping plate is parallel to the lower clamping plate, and the length of the lower clamping plate is greater than that of the upper clamping plate.

Preferably, the lateral movement detection device comprises a contact roller and a second contact piece, the two ends of the contact roller are respectively movably connected with the upper clamping plate and the lower clamping plate, the two ends of the second contact piece are respectively fixedly connected with the upper clamping plate and the lower clamping plate, a connecting piece is movably connected onto the contact roller, the two ends of the connecting piece are respectively movably connected with the upper clamping plate and the lower clamping plate, a second resistor is fixedly connected to the right side of the connecting piece, a supporting spring is movably sleeved on the second resistor, the two ends of the supporting spring are respectively fixedly connected with the right side of the connecting piece and the left side of the second contact piece, the two contact piece wires are electrically connected with a wire controller, and the contact roller is movably connected with the reinforcing.

Preferably, the reinforcing steel rope is wound and supported by a plurality of steel wire ropes, and the steel wire ropes are wrapped by insulating outer sleeves.

The invention has the following beneficial effects:

1. through the activity press from both sides, the setting of resistance one and contact piece one, make when the conveyer belt is cut open the back, under the effect of material, when inwards turning on one's side, can drive the activity press from both sides and carry out certain deflection for the fulcrum with the last movable roll of lower splint, make and carry out relative movement between resistance one and the contact piece one, arouse the circuit current change, and then trigger the warning, and make the conveyer belt stop, and simultaneously, the deformation that the conveyer belt lacerated back arouses is different, it is different to carry out relative movement length between resistance one and the contact piece one among the many equipment of messenger, and then lead to each circuit current inequality, when the great current value of multiunit change value appears, then stop the conveyer belt immediately, reduce the wrong report police that the undulant initiation of conveyer belt, improve protection device's precision.

2. Through the setting of side moving detection device, make by two side moving detection device of conveyer belt both sides carry out swing joint to the reinforcing steel rope, when reinforcing steel rope and two contact rollers all link to each other, the switch-on circuit, then explain that the conveyer belt has not taken place the skew, operating condition is good, if in certain interval time, the circuit is in the state of opening circuit, then the conveyer belt takes place the skew, then need the adjustment of shutting down, effectively prevent to continue the operation and lead to the conveyer belt to break down, simultaneously, when the object carries out vertical fracture to the conveyer belt, the conveyer belt opens to both sides, cause the displacement, oppress the contact roller, make two resistance and two production relative displacement of contact piece, the resistance of introducing the circuit reduces fast, circuit current increases, trigger alarm device, make the conveyer belt stall.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic top view of the structure of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 1;

FIG. 4 is an enlarged view of the point B in FIG. 3;

FIG. 5 is a schematic circuit diagram of the structural side shift detection device of the present invention;

fig. 6 is a schematic view of the change in tear of the conveyor belt of the present invention.

In the figure: 1. a support frame; 2. supporting the inclined plate; 3. an arc-shaped plate; 4. an arc-shaped spring; 5. a movable clamp; 51. a connecting frame; 52. an upper splint; 53. a lower splint; 54. a movable roller; 6. a first resistor; 7. a first contact piece; 8. a lateral movement detection device; 81. a contact roller; 82. a connecting member; 83. a second resistor; 84. a second contact piece; 85. a support spring; 9. fixing a sleeve; 10. a carrier roller; 11. a conveyor belt; 12. reinforcing the steel cord.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a conveyor belt longitudinal fracture protection device comprises two support frames 1, a conveyor belt 11 and a controller, wherein the two support frames 1 are symmetrically arranged by taking the conveyor belt 11 as a center, the support frame 1 is uniformly and fixedly sleeved with fixing sleeves 9, the fixing sleeves 9 are movably connected with carrier rollers 10, the conveyor belt 11 is movably connected with the carrier rollers 10, a supporting inclined plate 2 is fixedly arranged on the support frame 1 and positioned between the two fixing sleeves 9, an arc-shaped plate 3 is uniformly and fixedly arranged on the supporting inclined plate 2, a movable groove is clamped on the inner side of the arc-shaped plate 3, an arc-shaped spring 4 is movably arranged in the movable groove of the arc-shaped plate 3, a movable clamp 5 is movably clamped in the movable groove of the arc-shaped plate 3, two ends of the arc-shaped spring 4 are respectively and fixedly connected with the top of the arc-shaped plate 3 and the movable clamp 5, a resistor 6 is movably connected to the bottom surface of, the first resistor 6 is movably connected with the first contact piece 7, the side shift detection device 8 is movably mounted inside the movable clamp 5, the reinforcing steel ropes 12 are transversely and uniformly fixedly mounted inside the conveying belt 11, the movable clamp 5 is movably clamped with the conveying belt 11, and two sides of the conveying belt 11 are respectively movably connected with the side shift detection device 8.

Wherein, activity clamp 5 includes link 51, and link 51's top fixed mounting punch holder 52, link 51's below fixed mounting have lower plate 53, and punch holder 52 and lower plate 53's left end movable mounting have movable roller 54 respectively, and movable roller 54 and transportation area 11 swing joint, punch holder 52 and lower plate 53 are made by the elastic steel, can press from both sides tightly transportation area 11, prevent that activity clamp 5 and transportation area 11 from breaking away from.

The upper clamping plate 52 is parallel to the lower clamping plate 53, the length of the lower clamping plate 53 is greater than that of the upper clamping plate 52, so that after the conveyer belt 11 is cut, when the conveyer belt turns inwards under the action of materials, the movable clamp 5 can be driven to deflect by taking the upper movable roller 54 of the lower clamping plate 53 as a fulcrum, the resistor I6 and the contact piece I7 move relatively to each other, the circuit is changed, an alarm is triggered, and the conveyer belt stops.

Wherein, the lateral movement detection device 8 comprises a contact roller 81 and a contact piece II 84, two ends of the contact roller 81 are respectively movably connected with the upper clamping plate 52 and the lower clamping plate 53, two ends of the contact piece II 84 are respectively fixedly connected with the upper clamping plate 52 and the lower clamping plate 53, a connecting piece 82 is movably connected on the contact roller 81, two ends of the connecting piece 82 are respectively movably connected with the upper clamping plate 52 and the lower clamping plate 53, the right side of the connecting piece 82 is fixedly connected with a resistor II 83, a supporting spring 85 is movably sleeved on the resistor II 83, two ends of the supporting spring 85 are respectively fixedly connected with the right side of the connecting piece 82 and the left side of the contact piece II 84, the contact piece II 84 is electrically connected through a wire controller, the contact roller 81 is movably connected with the reinforcing steel rope 12, the reinforcing steel rope 12 is movably connected through the two lateral movement detection devices 8 at two sides of the conveyor belt 11, when the reinforcing steel rope 12, if the circuit is in an open circuit state within a certain interval time, the conveyor belt deviates, and needs to be stopped for adjustment, so that the conveyor belt is effectively prevented from being broken due to continuous operation, and meanwhile, when an object longitudinally splits the conveyor belt, the conveyor belt opens towards two sides to cause displacement, the contact roller 81 is pressed, so that the second resistor 83 and the second contact piece 84 generate relative displacement, the resistance of the introduced circuit is quickly reduced, the current of the circuit is increased, the alarm device is triggered, and the conveyor belt stops.

Wherein, reinforcing steel cable 12 is supported by many wire rope winding, when providing certain structural strength for reinforcing steel cable 12, can have certain compliance again, reduces the hindrance to the operation of transportation area 11, when having the object to cut transportation area 11 simultaneously, reinforcing steel cable 12 can carry out certain hindrance to it, reduces the length of vertical cutting, reduces the loss, and the parcel has insulating overcoat on the wire rope, avoids taking place the short circuit between the wire rope, triggers the alarm.

The working principle is as follows: after the conveyer belt 11 is cut, the conveyer belt is pressed down under the gravity of materials, and when the conveyer belt turns to the inside, the conveyer belt can drive the movable clamp 5 to deflect to a certain extent by taking the upper movable roller 54 of the lower clamp plate 53 as a fulcrum, so that the first resistor 6 and the first contact piece 7 move relatively to cause circuit change, and meanwhile, the conveyer belt is not deformed identically after being torn, so that the lengths of the relative movement between the first resistor 6 and the first contact piece 7 in a multi-assembly device are different, and further, the circuit currents are different, when a plurality of groups of current values with large change values occur, an alarm is triggered, and the conveyer belt is stopped; II, secondly: the two lateral movement detection devices 8 on two sides of the conveyor belt 11 are movably connected with the reinforcing steel rope 12, when the reinforcing steel rope 12 is connected with the two contact rollers 81, a circuit is connected, the conveyor belt does not deflect, the running state is good, if the circuit is in an open circuit state within a certain interval time, the conveyor belt deflects, and the machine needs to be stopped for adjustment, meanwhile, when an object longitudinally splits the conveyor belt, the conveyor belt opens towards two sides under the action of transverse tensioning force to cause displacement, the contact rollers 81 are pressed, the resistor II 83 and the contact piece II 84 generate relative displacement, the resistance of an introduced circuit is rapidly reduced, the current value of a circuit is increased, and an alarm device is triggered to stop the conveyor belt.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vertical protection device that splits in transportation area, includes support frame (1), transportation area (11) and controller, support frame (1) has two, and uses transportation area (11) to set up as central symmetry, even fixed cover (9) of having cup jointed on support frame (1), swing joint has bearing roller (10) on fixed cover (9), transportation area (11) and bearing roller (10) swing joint, its characterized in that: the supporting frame (1) is provided with a supporting inclined plate (2) fixedly arranged between two fixed sleeves (9), the supporting inclined plate (2) is provided with an arc-shaped plate (3) uniformly and fixedly arranged, the inner side of the arc-shaped plate (3) is provided with a movable groove, the movable groove of the arc-shaped plate (3) is movably provided with an arc-shaped spring (4), the movable groove of the arc-shaped plate (3) is movably connected with a movable clamp (5), the two ends of the arc-shaped spring (4) are respectively fixedly connected with the top of the arc-shaped plate (3) and the movable clamp (5), the bottom surface of the movable clamp (5) is movably connected with a resistor I (6), the inner part of the arc-shaped plate (3) is fixedly provided with a contact piece I (7), the resistor I (6) is movably connected with the contact piece I (7), the inner part of the movable clamp (5) is provided with a side, the reinforcing steel ropes (12) are transversely and uniformly fixedly mounted in the conveying belt (11), the movable clamp (5) is movably clamped with the conveying belt (11), and two sides of the conveying belt (11) are movably connected with the lateral movement detection device (8) respectively.

2. A conveyor belt longitudinal rip protection apparatus as claimed in claim 1, wherein: the movable clamp (5) comprises a connecting frame (51), an upper clamp plate (52) is fixedly mounted above the connecting frame (51), a lower clamp plate (53) is fixedly mounted below the connecting frame (51), movable rollers (54) are respectively and movably mounted at the left ends of the upper clamp plate (52) and the lower clamp plate (53), the movable rollers (54) are movably connected with the conveying belt (11), and the upper clamp plate (52) and the lower clamp plate (53) are made of elastic steel.

3. A conveyor belt longitudinal rip protection apparatus as claimed in claim 2, wherein: the upper clamping plate (52) is parallel to the lower clamping plate (53), and the length of the lower clamping plate (53) is larger than that of the upper clamping plate (52).

4. A conveyor belt longitudinal rip protection apparatus as claimed in claim 1, wherein: the lateral movement detection device (8) comprises a contact roller (81) and a second contact piece (84), two ends of the contact roller (81) are respectively movably connected with the upper clamping plate (52) and the lower clamping plate (53), two ends of the second contact piece (84) are respectively fixedly connected with the upper clamping plate (52) and the lower clamping plate (53), the contact roller (81) is movably connected with a connecting piece (82), two ends of the connecting piece (82) are respectively movably connected with the upper clamping plate (52) and the lower clamping plate (53), the right side of the connecting piece (82) is fixedly connected with a second resistor (83), a supporting spring (85) is movably sleeved on the second resistor (83), two ends of the supporting spring (85) are respectively and fixedly connected with the right side of the connecting piece (82) and the left side of the contact piece II (84), the second contact piece (84) is electrically connected through an electric wire controller, and the contact roller (81) is movably connected with the reinforcing steel rope (12).

5. A conveyor belt longitudinal rip protection apparatus as claimed in claim 1, wherein: the reinforcing steel rope (12) is wound and supported by a plurality of steel wire ropes, and the steel wire ropes are wrapped by insulating outer sleeves.