Online automatic repairing machine for cracks of conveying belt

Abstract

The utility model provides an on-line automatic repairing machine for a crack of a conveying belt, which comprises a mounting bracket, a movable base and a repairing device, the movable base comprises a mounting seat, a rack, a first track and a first sliding block, and the rack is parallel to the first track; the repairing device comprises a vehicle body, a driving unit and a nail pressing unit, the bottom of the vehicle body is fixedly connected with the side, deviating from the first track, of the first sliding block, the driving unit comprises a driving motor, a gearbox and a gear, the gear is in meshed connection with the rack, and the driving motor drives the gear to rotate on the rack so that the vehicle body can move on the first track; the nail pressing unit comprises a supporting plate used for containing the conveying belt, a nail pressing head, a nail pressing cylinder connected with the nail pressing head and a nail groove assembly detachably arranged below the supporting plate, the nail groove assembly is used for loading pressing nails, and a nail outlet matched with the nail pressing head is formed in the supporting plate. According to the utility model, on-line automatic repair of the cracks of the conveying belt can be realized, the belt does not need to be manually disassembled, and the repair efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying belt repair technical field, especially in a kind of conveying belt crack on-line automatic repair machine. BACKGROUND

[0002] In many fields such as industrial production, conveying belt is a key component for conveying materials, and conveying belt will usually have damage phenomena such as belt crack after long-term bearing and conveying heavy objects. If the crack is not repaired in time, the crack on the belt will rapidly expand during continuous operation, making the damage of the belt more serious. Not only does it greatly shorten the service life of the conveying belt, but also it seriously affects the normal conveying of materials. Therefore, timely repair of the conveying belt is extremely important.

[0003] Currently, the repair of the conveying belt crack is usually manually disassembled from the conveying device, and the vulcanized rubber patching method is used to repair the crack. Specifically, the belt crack and its surrounding area need to be cleaned by hand to ensure the cleanliness of the repair surface. Then, according to the shape and size of the crack, the vulcanized rubber patch of appropriate size is cut and applied to the corresponding crack. After the application is completed, the vulcanized equipment is used to heat and press the applied part, so that the vulcanized rubber patch chemically reacts with the rubber material at the belt crack under high temperature and high pressure, to achieve the firm combination between the vulcanized rubber patch and the belt, and complete the repair of the belt crack.

[0004] However, in actual operation, the whole repair process is time-consuming and laborious, and the repair efficiency is low. The repair process from cleaning, cutting, application to vulcanization requires high skills of the operator, and the repair effect is difficult to control. At the same time, the belt repaired by vulcanized rubber patching is prone to rubber peeling in the later use, which requires frequent secondary repair or even replacement, resulting in high maintenance cost and frequent interruption of the normal operation of the production line, which is difficult to meet the needs of efficient production. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims to provide a conveying belt crack on-line automatic repair machine, to solve the technical problems of the existing manual vulcanized rubber patching method for repairing the conveying belt crack, which is time-consuming and laborious, has low repair efficiency, requires high skills of the operator in the repair process, and is difficult to control the repair effect. In the later use, it is prone to rubber peeling, which requires frequent secondary repair or even replacement, resulting in high maintenance cost and frequent interruption of the normal operation of the production line, which is difficult to meet the needs of efficient production.

[0006] The utility model discloses a purpose lies in providing a kind of conveying belt crack on-line automatic repair machine, including mounting bracket, mobile base on the mounting bracket, and with the mobile base movably connected repair device, the mobile base includes mounting seat, rack on the mounting seat, two first tracks on the two opposite sides of the rack, and with the first track movably connected at least one first slider, the rack and two the first track each other parallel;

[0007] The repair device includes a vehicle body, a drive unit disposed at the bottom of the vehicle body, and a nail pressing unit disposed within the vehicle body. The bottom of the vehicle body is fixedly connected to one side of the first slider that is away from the first track. The drive unit includes a drive motor, a gearbox connected to the drive motor, and a gear connected to the gearbox. The gear is meshingly connected to the rack. The drive motor drives the gear to rotate on the rack, enabling the vehicle body to move on the first track.

[0008] The nail pressing unit includes a supporting plate for placing the conveying belt, a nail pressing head, a nail pressing cylinder connected to the nail pressing head, and a nail groove assembly detachably installed below the supporting plate. The nail groove assembly is used to load nails. The supporting plate is provided with a nail outlet that is adapted to the nail pressing head. The nail pressing cylinder drives the nail pressing head, which pushes the nails through the nail outlet and into the conveying belt, thereby repairing the cracks in the conveying belt.

[0009] Compared with the prior art, the conveying belt crack on-line automatic repair machine has the following advantages. The mobile base and the repair device are used to automatically repair the cracks in the conveying belt online without the need for manual disassembly of the belt. The repair efficiency is high, and the production can be quickly resumed. The repair device uses nail pressing to repair the cracks in the conveying belt, which can automatically connect the nails, firmly fix the nails on the conveying belt, and achieve good repair effect. The repaired conveying belt has a longer service life and does not need to be repaired frequently, effectively ensuring the normal use of the production line and improving the applicability.

[0010] In addition, the conveying belt crack on-line automatic repair machine according to the utility model has the following additional technical features.

[0011] Further, the nail groove assembly includes a groove body and a nail feeding mechanism disposed within the groove body. The outer side of the groove body is provided with a handle. The nail feeding mechanism is used to elastically press the nails to push them under the nail outlet.

[0012] Further, the nail is a U-shaped nail.

[0013] Further, the nail pressing unit further comprises a nail pressing base, at least two lifting cylinders arranged on the nail pressing base, and a lifting platform connected with the telescopic rods of the two lifting cylinders, and the nail pressing cylinder is arranged on the lifting platform.

[0014] Further, the vehicle body further comprises a nail pressing unit displacement mechanism arranged on the bottom of the vehicle frame, and the nail pressing unit displacement mechanism comprises two second rails fixedly connected with the bottom of the vehicle frame, at least one second sliding block movably connected with the second rails, and a drive screw mechanism, the second rails are perpendicular to the first rails, the lower surfaces of the nail pressing base are respectively connected with the second sliding blocks away from the first rails and the drive screw mechanism, and the nail pressing base is driven to move on the second rails by rotating the drive screw mechanism, so as to realize the position displacement of the nail pressing unit.

[0015] Further, the vehicle body further comprises a bent leg module arranged on the top of the vehicle frame, and a bent leg module displacement mechanism connected with the bent leg module, the bent leg module displacement mechanism is used for adjusting and fixing the position of the bent leg module, the lower surface of the bent leg module is provided with a bent leg groove, and the bent leg groove is used for guiding the nail pressing bent leg, so as to realize the butt joint repair of the nail pressing on the conveying belt crack.

[0016] Further, the repairing device further comprises a hydraulic pump station fixedly arranged on the vehicle body, and the hydraulic pump station is used for providing pressure oil for the nail pressing cylinder and the lifting cylinder.

[0017] Further, the repairing device further comprises two guide roller units, the two guide roller units are symmetrically arranged on the two opposite sides of the vehicle body, and the nail pressing unit is arranged between the two guide roller units, the guide roller unit comprises a first guide roller arranged on the vehicle body and a second guide roller arranged directly below the first guide roller, and a gap for the conveying belt to pass through is arranged between the first guide roller and the second guide roller.

[0018] Further, the conveying belt crack online automatic repairing machine further comprises a flattening device fixedly arranged on one end of the mounting bracket away from the repairing device, and the flattening device comprises a fixing frame, a pressing roller arranged on the fixing frame, a supporting roller located directly below the pressing roller, and a pressing roller tensioning mechanism connected with the pressing roller, a gap for the conveying belt to pass through is arranged between the pressing roller and the supporting roller, the supporting roller is a non-powered roller, and the side of the supporting roller opposite to the pressing roller is used for closely abutting against the conveying belt.

[0019] Further, the flattening device further comprises an encoder distance measuring mechanism, which is in abutment with the circumferential surface of the carrier roller through a connecting roller, for converting the rotation information of the carrier roller into an encoder output signal. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a stereogram of the on-line automatic repairing machine for the conveying belt crack of the utility model;

[0021] Figure 2 It is a structural diagram of the mobile base in the on-line automatic repairing machine for the conveying belt crack of the utility model;

[0022] Figure 3 It is a structural diagram of the repairing device in the on-line automatic repairing machine for the conveying belt crack of the utility model;

[0023] Figure 4 It is a stereogram of the car body in the on-line automatic repairing machine for the conveying belt crack of the utility model;

[0024] Figure 5 It is a structural diagram of the nail pressing unit in the on-line automatic repairing machine for the conveying belt crack of the utility model;

[0025] Figure 6 It is a structural diagram of the nail groove assembly in the on-line automatic repairing machine for the conveying belt crack of the utility model;

[0026] Figure 7 It is a structural diagram of the flattening device in the on-line automatic repairing machine for the conveying belt crack of the utility model;

[0027] Figure 8 It is a use state diagram of the on-line automatic repairing machine for the conveying belt crack of the utility model;

[0028] Figure 9 It is a structural diagram of the conveying belt crack after being repaired by the on-line automatic repairing machine for the conveying belt crack of the utility model.

[0029] Wherein, the above-mentioned drawings include the following reference signs: 10 - mounting bracket; 20 - moving base; 21 - mounting seat; 22 - rack; 23 - first track; 24 - first slider; 30 - repairing device; 31 - vehicle body; 311 - vehicle frame; 312 - nail pressing unit displacement mechanism; 3121 - second track; 3122 - second slider; 3123 - drive screw mechanism; 313 - bent leg module; 314 - bent leg module displacement mechanism; 32 - driving unit; 321 - driving motor; 322 - gearbox; 323 - gear; 33 - nail pressing unit; 331 - nail pressing base; 332 - lifting cylinder; 333 - lifting platform; 334 - nail pressing cylinder; 335 - nail pressing head; 336 - supporting plate; 337 - nail groove assembly; 3371 - groove body; 3372 - nail feeding mechanism; 3373 - handle; 338 - nail; 34 - hydraulic pump station; 35 - guide roller unit; 351 - first guide roller; 352 - second guide roller; 36 - safety cover plate; 40 - flattening device; 41 - fixing frame; 42 - compression roller; 43 - supporting roller; 44 - compression roller tensioning mechanism; 45 - encoder distance measuring mechanism; 46 - connecting roller; 50 - conveying belt; 501 - split.

[0030] The following detailed description will further describe the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0031] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The drawings show several embodiments of the present application. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0032] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. As used herein the terms "vertical", "horizontal", "left", "right", and the like are merely for purposes of illustration.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0034] Please refer to Figures 1 to 8The utility model provides a kind of conveying belt crack on-line automatic repair machine, as shown in the utility model, including mounting bracket 10, mobile base 20 being located on mounting bracket 10, and the repair device 30 being movably connected with mobile base 20, wherein, mobile base 20 is used to move the repair device 30, the repair device 30 is used to automatically repair the crack of conveying belt 50.

[0035] As an example, mobile base 20 includes mounting seat 21, rack 21 located on mounting seat 21, two first tracks 23 located on the opposite sides of rack 21, and at least one first slider 24 movably connected with first track 23, rack 21 and two first tracks 23 are parallel to each other. As a specific example, in the present embodiment, two first tracks 23 are respectively provided with two first sliders 24.

[0036] As an example, repair device 30 includes vehicle body 31, drive unit 32 located at the bottom of vehicle body 31, and nail pressing unit 33 located in vehicle body 31, the bottom of vehicle body 31 is fixedly connected with the side of first slider 24 away from first track 23 by bolt, drive unit 32 is used to drive vehicle body 31 to move horizontally and linearly along first track 23, nail pressing unit 33 is used to nail nail 338 into conveying belt 50 to repair the crack of conveying belt. In the present embodiment, drive unit 32 includes drive motor 321, gearbox 322 connected with drive motor 321, and gear 323 connected with gearbox 322, gear 323 is engagedly connected with rack 21, gear 323 is driven to rotate on rack 21 by drive motor 321, to realize the movement of vehicle body 31 on first track 23. As a specific example, in the present embodiment, drive motor 321 is a stepping motor, gear 323 is driven to rotate on rack 21 by stepping motor, to realize the accurate control of the moving direction and moving distance of repair vehicle body 31, greatly improve the repair efficiency of nail pressing unit 33 to the crack of conveying belt.

[0037] Further, the nail pressing unit 33 comprises a nail pressing base 331, at least two lifting cylinders 332 arranged on the nail pressing base 331, a lifting platform 333 connected with the lifting rods of the two lifting cylinders 332, a nail pressing head 335, a nail pressing cylinder 334 connected with the nail pressing head 335, a supporting plate 336 for placing the conveying belt 50, and a nail groove assembly 337 detachably arranged below the supporting plate 336. The lifting cylinders 332 are used to control the lifting of the lifting platform 333. The lifting platform 333 is provided with the nail pressing cylinder 334. The lifting rod of the nail pressing cylinder 334 is connected with the nail pressing head 335. The supporting plate 336 is provided with a nail outlet matched with the nail pressing head 335. The nail pressing head 335 can enter or exit the nail outlet on the supporting plate 336 under the extension or retraction of the lifting rod of the nail pressing cylinder 334. When the lifting platform 333 is lifted or lowered under the action of the lifting cylinders 332, the supporting plate 336, the nail pressing cylinder 334 and the nail groove assembly 337 above the lifting platform 333 can be synchronously lifted or lowered.

[0038] Further, the nail groove assembly 337 is used to load the nails 338. The nail groove assembly 337 comprises a groove body 3371 and a nail feeding mechanism 3372 arranged in the groove body 3371. The entire groove body 3371 is detachably arranged below the supporting plate 336, so as to facilitate the timely addition of the nails 338. The outer side of the groove body 3371 is further provided with a handle 3373, so as to facilitate the removal and installation of the entire nail groove assembly 337. The nail feeding mechanism 3372 is used to elastically press the nails 338, so as to push the nails 338 to the position below the nail outlet. In the embodiment, the nail groove assembly 337 further comprises a nail sensor, which is used to identify the use condition of the nails 338 in the groove body 3371, so as to facilitate the timely addition of the nails 338.

[0039] Further, the nails 338 are U-shaped nails. As a specific example, a row of U-shaped nails is placed in the groove body 3371. One end of the row of U-shaped nails is located below the nail outlet. The other end of the row of U-shaped nails abuts against the nail feeding structure. In actual use, the row of U-shaped nails will be continuously pushed to the position below the nail outlet under the elastic pressing action of the nail feeding mechanism 3372. The nail pressing head 335 is driven by the nail pressing cylinder 334. The nail pressing head 335 pushes the nails 338 to penetrate through the nail outlet and be nailed into the conveying belt 50, so as to realize the repair of the conveying belt 50 by the nails 338.

[0040] As an example, the vehicle body 31 includes a vehicle frame 311 and a press pin unit 33 displacement mechanism 312 arranged at the bottom of the vehicle frame 311, the press pin unit 33 displacement mechanism 312 is used to adjust the position of the press pin unit 33 to align the press pin 338 opening with the opening position on the conveying belt 50, the press pin unit 33 displacement mechanism 312 includes two second rails 3121 fixedly connected with the bottom of the vehicle frame 311, at least one second sliding block 3122 movably connected with the second rail 3121, and a drive screw mechanism 3123, the second rail 3121 is perpendicular to the first rail 23, as a specific example, in this embodiment, two second sliding blocks 3122 are arranged on the two second rails 3121 respectively. The side of the second sliding block 3122 away from the first rail 23 is fastened to the lower surface of the press pin base 331 by bolts, and the lower surface of the press pin base 331 between the two second rails 3121 is movably connected with the drive screw mechanism 3123 by a nut, and the press pin base 331 is moved on the second rail 3121 by rotating the drive screw mechanism 3123, so as to realize the position movement of the press pin unit 33 on the second rail 3121.

[0041] Further, the vehicle body 31 further includes a bent leg module 313 arranged at the top of the vehicle frame 311, and a bent leg module 313 displacement mechanism 314 connected with the bent leg module 313, the bent leg module 313 displacement mechanism 314 is used to adjust and fix the position of the bent leg module 313, so that the bent leg module 313 is always located directly above the nail opening position on the supporting plate 336, the lower surface of the bent leg module 313 is provided with a bent leg groove for guiding the bent leg of the press pin 338, so that the head of the press pin 338 can be bent after passing through the conveying belt 50, to realize the buckling and sewing of the press pin 338 on the conveying belt opening, and also can effectively avoid the press pin 338 from loosening from the conveying belt 50.

[0042] Further, the repairing device 30 further includes a hydraulic pump station 34, the hydraulic pump station 34 is fixedly arranged on the vehicle body 31, and the hydraulic pump station 34 is used to provide pressure oil for the press pin cylinder 334 and the lifting cylinder 332.

[0043] Further, the repairing device 30 further includes two guide roller units 35, the guide roller units 35 are used to guide the movement of the conveying belt 50 to ensure the stable work of the press pin unit 33, the two guide roller units 35 are symmetrically arranged on the two opposite sides of the vehicle body 31, and the press pin unit 33 is arranged between the two guide roller units 35, the guide roller unit 35 includes a first guide roller 351 arranged on the vehicle body 31 and a second guide roller 352 arranged directly below the first guide roller 351, and a gap for the conveying belt 50 to pass through is arranged between the first guide roller 351 and the second guide roller 352.

[0044] Further, the repairing device 30 further comprises a plurality of safety cover plates 36 fixedly arranged on the circumferential surface of the vehicle body 31, and the plurality of safety cover plates 36 enclose a protection space, and the driving unit 32, the nail pressing unit 33 and the hydraulic pump station 34 are arranged in the protection space, so as to play a protection role.

[0045] As an example, the conveying belt crack online automatic repairing machine further comprises a flattening device 40 fixedly arranged on the mounting bracket 10 away from the repairing device 30, and the flattening device 40 comprises a fixing frame 41, a compression roller 42 arranged on the fixing frame 41, a supporting roller 43 located directly below the compression roller 42, and a compression roller 42 tensioning mechanism 44 connected with the compression roller 42, and a gap for the conveying belt 50 to pass through is arranged between the compression roller 42 and the supporting roller 43, and the supporting roller 43 is a non-powered roller, and the conveying belt 50 is tightly attached to the side of the supporting roller 43 opposite to the compression roller 42 under the action of its own gravity, and the compression roller 42 is controlled by the compression roller 42 tensioning mechanism 44 to press the conveying belt 50, so as to flatten the conveying belt 50, so that the conveying belt 50 can move horizontally and linearly under the guidance of the guide roller unit 35, and the phenomenon of misalignment of the conveying belt crack can be effectively avoided.

[0046] Further, the flattening device 40 further comprises an encoder distance measuring mechanism 45, the encoder distance measuring mechanism 45 is in abutment with the circumferential surface of the supporting roller 43 through a connecting roller 46, so as to convert the rotation information of the supporting roller 43 into an encoder output signal, and the running distance of the conveying belt 50 is calculated through the control system of the encoder distance measuring mechanism 45.

[0047] In actual use, the working principle of the conveying belt crack online automatic repairing machine of the utility model is similar to that of a stapler, and the conveying belt crack online automatic repairing machine of the present application nails the nail 338 into the conveying belt 50 from bottom to top. It should be noted that the conveying belt 50 is usually lined with multiple layers of materials, has a relatively large overall thickness, and some conveying belts 50 contain steel wires and other structures, which have relatively large strength, therefore, relatively high-strength and large-size nails 338 need to be correspondingly arranged, and the conveying belt crack online automatic repairing machine of the present embodiment adopts a hydraulic cylinder driving mode to operate the nail 338, so that the nail 338 has relatively large penetration force to penetrate the conveying belt 50 for crack repair.

[0048] The conveying belt crack online automatic repairing machine of the present application is used for online automatic repairing of the longitudinal crack of the conveying belt 50, and specifically, during repairing, the two nail heads of the nail 338, i.e., the U-shaped nail, are symmetrically placed on the two opposite sides of the crack 501 of the conveying belt 50, and the bending foot module 313 and the bending foot module 313 displacement mechanism 314 are cooperated to realize the bending of the nail 338, so as to firmly fix the nail 338 on the conveying belt 50. Figure 9As shown, for the crack 501 in the long strip structure, a mode of continuously nailing a press nail 338 at every fixed interval is adopted, and it is necessary to note that, Figure 9 The left view in the middle is a top view of the crack 501 of the conveying belt, Figure 9 The right view in the middle is a sectional view of the crack 501 of the conveying belt. The running range of the repairing device 30 is limited between the two groups of support columns of the mounting support 10. When the crack 501 segment of the conveying belt 50 enters the range, the nailing repairing operation can be performed. After each press nail 338 is nailed, the repairing device 30 is automatically moved at a preset moving interval, and a press nail 338 is nailed at a different position on the conveying belt 50. Such a cycle is repeated until the trolley moves to a preset limit position. Then, the conveying belt 50 is started to convey a distance and stopped. The last nailing position does not exceed the adaptive range of the repairing device 30. The step motor drives the gear 323 to mesh with the rack 21 to rotate, so that the whole repairing device 30 retreats to a position where the last nailing position is reduced by one nailing interval. The nailing operation is continuously repeated, and the whole crack 501 segment of the conveying belt 50 is repaired.

[0049] In summary, the conveying belt crack online automatic repairing machine has the advantages that the online automatic repairing of the conveying belt crack is realized by setting the moving base and the repairing device, manual disassembly of the belt is not required, the repairing efficiency is high, the production can be quickly resumed, the repairing device adopts the mode of nailing the press nail to repair the crack on the conveying belt, automatic connection and nailing of the press nail can be realized, the press nail is firmly fixed on the conveying belt, the repairing effect is good, the conveying belt after repairing has a longer service life, and secondary repairing is not required frequently, the normal use of the production line is effectively ensured, and the applicability is high.

[0050] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0051] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. An on-line automatic repair machine for a conveyor belt split, characterized by, The installation support, the moving base arranged on the installation support, and the repairing device movably connected with the moving base, the moving base comprises a mounting seat, a rack arranged on the mounting seat, two first tracks arranged on two opposite sides of the rack, and at least one first slider movably connected with the first tracks, and the rack and the two first tracks are parallel to each other; The repairing device comprises a vehicle body, a driving unit arranged at the bottom of the vehicle body, and a nail pressing unit arranged in the vehicle body, the bottom of the vehicle body is fixedly connected with one side of the first slider away from the first track, the driving unit comprises a driving motor, a gearbox connected with the driving motor, and a gear connected with the gearbox, the gear is engaged with the rack, the gear is driven to rotate on the rack by the driving motor, so that the vehicle body moves on the first track; The nail pressing unit comprises a supporting plate for placing a conveying belt, a nail pressing head, a nail pressing cylinder connected with the nail pressing head, and a nail groove assembly detachably arranged below the supporting plate, the nail groove assembly is used for loading nails, the supporting plate is provided with a nail outlet matched with the nail pressing head, the nail pressing head is driven by the nail pressing cylinder, the nail pressing head pushes the nail to pass through the nail outlet and is nailed into the conveying belt, so that the nail repairs the crack of the conveying belt.

2. The conveyor belt rip online automatic repairing machine according to claim 1, characterized in that, The nail groove assembly comprises a groove body and a nail feeding mechanism arranged in the groove body, the outer side of the groove body is provided with a handle, and the nail feeding mechanism is used for elastically pressing the nail to push the nail to the lower side of the nail outlet.

3. The conveyor belt rip online automatic repairing machine according to claim 1, characterized in that, The nail is a U-shaped nail.

4. The conveyor belt rip online automatic repairing machine according to claim 1, characterized in that, The nail pressing unit further comprises a nail base, at least two lifting cylinders arranged on the nail base, and a lifting platform connected with the telescopic rods of the two lifting cylinders, and the lifting platform is provided with the nail pressing cylinder.

5. The conveyor belt rip online automatic repairing machine according to claim 4, characterized in that, The vehicle body comprises a vehicle frame and a nail pressing unit displacement mechanism arranged at the bottom of the vehicle frame, the nail pressing unit displacement mechanism comprises two second tracks fixedly connected with the bottom of the vehicle frame, at least one second slider movably connected with the second tracks, and a driving screw mechanism, the second tracks are perpendicular to the first tracks, the lower surfaces of the nail base are respectively connected with one side of the second slider away from the first track and the driving screw mechanism, the nail base moves on the second tracks by rotating the driving screw mechanism, so that the position of the nail pressing unit moves.

6. The conveyor belt rip online automatic repairing machine according to claim 5, characterized in that, The vehicle body further comprises a bent leg module arranged at the top of the vehicle frame and a bent leg module displacement mechanism connected with the bent leg module, the bent leg module displacement mechanism is used for adjusting and fixing the position of the bent leg module, the lower surface of the bent leg module is provided with a bent leg groove, the bent leg groove is used for guiding the bent leg of the nail, so that the nail repairs the buckling seam of the conveying belt crack.

7. The conveyor belt rip online automatic repairing machine according to claim 4, characterized in that, The repairing device further comprises a hydraulic pump station fixedly arranged on the vehicle body, and the hydraulic pump station is used for providing pressure oil for the nail pressing cylinder and the lifting cylinder.

8. The conveyor belt rip online automatic repairing machine according to claim 1, characterized in that, The repairing device further comprises two guide roller units, which are symmetrically arranged at two opposite sides of the vehicle body, and the nail pressing unit is arranged between the two guide roller units; each guide roller unit comprises a first guide roller arranged on the vehicle body and a second guide roller arranged directly below the first guide roller, and a gap for the conveying belt to pass through is arranged between the first guide roller and the second guide roller.

9. The conveyor belt rip online automatic repairing machine according to claim 1, characterized in that, The online automatic repairing machine for the conveying belt crack further comprises a flattening device, which is fixedly arranged on one end of the mounting bracket away from the repairing device; the flattening device comprises a fixing frame, a pressing roller arranged on the fixing frame, a supporting roller arranged directly below the pressing roller, and a pressing roller tensioning mechanism connected with the pressing roller; a gap for the conveying belt to pass through is arranged between the pressing roller and the supporting roller; the supporting roller is a non-powered roller, and one side of the supporting roller opposite to the pressing roller is used for closely abutting against the conveying belt.

10. The conveyor belt rip online automatic repairing machine according to claim 9, characterized in that, The flattening device further comprises an encoder distance measuring mechanism, which is in abutment with the circumferential surface of the supporting roller through a connecting roller, so as to convert the rotation information of the supporting roller into an encoder output signal.

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