CN111472245B

CN111472245B - Milling machine with foldable conveying device

Info

Publication number: CN111472245B
Application number: CN202010358107.9A
Authority: CN
Inventors: 谢宝; 么美玉; 贾丽娟
Original assignee: Tangshan Dacheng Road And Bridge Co ltd
Current assignee: Tangshan Dacheng Road And Bridge Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-07-27
Anticipated expiration: 2040-04-29
Also published as: CN111472245A

Abstract

The invention discloses a milling machine with a foldable conveying device, which relates to the technical field of highway maintenance equipment, and comprises a milling machine body and the conveying device, wherein the conveying device comprises: the device comprises a first conveying mechanism, a second conveying mechanism, a reinforcing mechanism and a bearing mechanism. The problem of conveyor occupation space is great when the milling machine transportation, leads to the inconvenient transportation of milling machine is solved. The invention has the effect of facilitating the transportation of the milling machine.

Description

Milling machine with foldable conveying device

Technical Field

The invention relates to the technical field of highway maintenance equipment, in particular to a milling machine with a foldable conveying device.

Background

The road milling machine is one of the main machines of the asphalt pavement maintenance construction machinery, one of the main devices of the asphalt concrete pavement maintenance construction, is mainly used for excavating and renovating asphalt concrete surface courses of highways, town roads, airports, goods yards and the like, can also be used for removing the defects of pavement upheaval, oil wave, reticulate patterns, ruts and the like, can also be used for excavating pavement pit slots and grooves, roughening of cement pavements and milling and flattening of staggered platforms of the surface courses.

Chinese patent No. CN207143694U discloses a milling machine capable of continuous blanking, which includes a milling machine body, and a conveying device for conveying crushed stones forward is disposed at the front end of the milling machine body. During the use, connect the material car position in the place ahead of milling machine and connect the material, mill the plane organism and dig the bituminous paving into the rubble and then transport to the direction of keeping away from milling machine body through conveyor, the rubble falls into inside the connect the material car from conveyor's one end that is close to connect the material car.

The above prior art solutions have the following drawbacks: the conveying device occupies a large space when the milling machine is transported, so that the milling machine is inconvenient to transport.

Disclosure of Invention

In view of the disadvantages of the prior art, the present invention is directed to a milling machine with a foldable conveying device, which has the effect of facilitating transportation of the milling machine.

The above object of the present invention is achieved by the following technical solutions:

a milling machine with a foldable transport device, comprising a milling machine body and a transport device, the transport device comprising: first conveying mechanism: the milling machine body is fixed with the milling machine body, and a first conveying belt is arranged in the milling machine body; a second transfer mechanism: one end of the first conveying mechanism is hinged with the first conveying mechanism, and a second conveying belt is arranged in the first conveying mechanism; a driving mechanism: the second conveying mechanism is connected to the first conveying mechanism and controls the second conveying mechanism to rotate; a reinforcing mechanism: the reinforcing mechanism is arranged between the first conveying mechanism and the second conveying mechanism, and locks the first conveying mechanism and the second conveying mechanism when the hinged ends of the first conveying mechanism and the second conveying mechanism are completely contacted; the supporting mechanism: comprises a bearing plate fixedly connected in a first conveying mechanism and a lapping plate fixed in a second conveying mechanism; when the hinged ends of the first conveying mechanism and the second conveying mechanism are completely contacted, the lap joint plate is overlapped with the upper surface of the bearing plate, and the lap joint plate and the bearing plate are automatically locked through the locking assembly.

By adopting the technical scheme, when the ground needs to be constructed, the driving mechanism is started to enable the second conveying mechanism to rotate towards the direction far away from the first conveying mechanism until the hinged ends of the second conveying mechanism and the first conveying mechanism are completely contacted, namely, the broken stones on the first conveying mechanism can be conveyed to the second conveying mechanism, and at the moment, the conveying device is in an unfolded state; then, the reinforcing mechanism is controlled to lock the first conveying mechanism and the second conveying mechanism, namely the reinforcing mechanism locks the unfolding state of the conveying device, in the process that the second conveying mechanism rotates to be close to the first conveying mechanism, the lap joint plate gradually approaches to the bearing plate and finally is overlapped with the upper surface of the bearing plate, and meanwhile, the locking assembly automatically locks the lap joint plate and the bearing plate; when the conveying device conveys the crushed stones, in the process that the crushed stones are conveyed from the first conveying belt to the second conveying belt, the crushed stones falling from the gap between the first conveying belt and the second conveying belt fall on the lapping plate, and the lapping plate and the bearing plate play a role in connecting and reinforcing the first conveying mechanism and the second conveying mechanism and bear the falling crushed stones, so that the comprehensive effect is achieved; when the construction is completed, the reinforcing mechanism is controlled to be separated from the second conveying mechanism, the locking assembly is enabled to loosen the lap plate, the second conveying mechanism rotates towards the direction close to the first conveying mechanism when the driving mechanism is controlled at last, meanwhile, the lap plate is far away from the bearing plate, when one side face of the second conveying mechanism is in contact with the bottom face of the first conveying mechanism, the conveying device is in a folded state, the occupied space of the milling machine is less when being unfolded compared with that of the conveying device, and the milling machine is convenient to transport at the moment.

The present invention in a preferred example may be further configured to: locking mechanical system is including accepting the rectangular groove that the board upper surface was equipped with, and the overlap joint board is close to the one end of accepting the board and buckles downwards and with rectangular groove joint, and a side in rectangular groove is equipped with puts the groove, puts the inslot and is fixed with the spring, and the spring is close to the one end of accepting the board and is fixed with the locking piece, and the one side of accepting the board and being close to the locking piece is equipped with locking groove, locking piece and locking groove joint.

Through adopting above-mentioned technical scheme, the spring does not receive external force when locking piece and locking groove joint, for normal condition, in-process when buckling the end and inserting rectangular groove, the end of buckling conflict locking piece makes the spring compression, when the locking groove is aimed at to the locking piece, the locking piece with locking groove joint under the effort of spring, the lap-joint plate was locked with accepting the board this moment, break away from when needing the lap-joint plate and accept the board, when rotating second transport mechanism, the lap-joint plate extrusion locking piece makes the locking piece automatic break away from the locking, the manpower has been saved.

The present invention in a preferred example may be further configured to: the one end fixedly connected with collecting box that the lap-joint plate was kept away from to the connection board, the collecting box is close to the one side of connection board and sets up the bellmouth that is located the lap-joint plate top, and the lap-joint plate all inclines towards the direction that is close to the collecting box with connection board.

Through adopting above-mentioned technical scheme, the disintegrating slag that the gap dropped between first conveyer belt and the second conveyer belt can fall on the overlap joint board, follows the overlap joint board afterwards and accepts the board to the direction motion that is close to the collecting box, drops to collecting in the collecting box until the disintegrating slag from the bellmouth, so made things convenient for to collect the disintegrating slag on overlap joint board and the accepting board.

The present invention in a preferred example may be further configured to: the reinforcing mechanism includes the first driving motor with first transport mechanism upper surface fixed, is fixed with the connecting axle on the first driving motor, and the one end that first driving motor was kept away from to the connecting axle is fixed with the back shaft, and second transport mechanism's upper surface fixed has the backup pad, back shaft upper end fixedly connected with joint board, is equipped with the joint groove on the joint board, and the back shaft injects the joint groove and in joint groove joint from joint groove one end.

Through adopting above-mentioned technical scheme, when conveyor is the expansion state, start first driving motor and make the direction that the joint axle is close to the joint board rotate, the connecting axle rotates and drives the bracing piece and rotates, when the bracing piece from the one end in joint groove insert the joint groove and with joint groove joint, reinforcing mechanism locks first transport mechanism and second transport mechanism this moment, second transport mechanism is difficult to rotate, more stable when making conveyor conveying rubble.

The present invention in a preferred example may be further configured to: the lower extreme fixedly connected with of back shaft contradicts the supporting shoe of joint plate lower surface.

Through adopting above-mentioned technical scheme, when back shaft and joint groove joint, the upper surface of supporting shoe contradicts the lower surface of joint board, and the supporting shoe gives the certain holding power of joint board this moment, further restricts the rotation of second transport mechanism.

The present invention in a preferred example may be further configured to: the one end that first transport mechanism was kept away from to second transport mechanism is equipped with the dust removal mechanism of water spray dust fall, and dust removal mechanism includes the fixed surface's of second transport mechanism storage water tank, and the one side that first transport mechanism was kept away from to the storage water tank is fixed with the outlet pipe, installs the water pump on the outlet pipe, and the one end fixedly connected with that the storage water tank was kept away from to the outlet pipe is equipped with the spray pipe of a plurality of hole for water sprayings.

Through adopting above-mentioned technical scheme, when milling the plane organism and excavating pitch ground, the rubble passes through conveyor and transports to milling the material receiving vehicle in plane organism the place ahead in, and the rubble can produce some raise dusts at the in-process that falls into the material receiving vehicle, but the starting water pump this moment makes the water in the storage water tank follow the outlet pipe and gets into the spray pipe, at last from the hole for water spraying blowout to the one end of keeping away from first transport mechanism to the second transport mechanism carries out the water spray dust removal.

The present invention in a preferred example may be further configured to: and the water spraying pipe is connected with a reciprocating mechanism for driving the water spraying pipe to reciprocate.

Through adopting above-mentioned technical scheme, when the spray pipe water spray, start reciprocating mechanism control spray pipe reciprocating motion and spray water, increased the area that the spray pipe sprayed water, dust removal effect further promotes.

The present invention in a preferred example may be further configured to: the reciprocating mechanism comprises a second driving motor arranged on the upper surface of the second conveying mechanism, a threaded rod is fixedly connected onto the second driving motor, an installation block is connected onto the threaded rod in a threaded manner, the lower surface of the installation block is fixedly connected with the water spray pipe, a guide rod is connected onto the installation block in a sliding manner, and one end, close to the second conveying mechanism, of the guide rod is fixedly connected with the second conveying mechanism.

Through adopting above-mentioned technical scheme, when starting second driving motor, second driving motor drives the threaded rod reciprocating motion, and the threaded rod reciprocating motion drives installation piece and spray pipe along the horizontal reciprocating motion of direction of guide bar, but the spray pipe horizontal direction removal water spray this moment to it is the water spray area grow.

The present invention in a preferred example may be further configured to: and a stop block for limiting the separation of the mounting block and the threaded rod is fixed at one end of the threaded rod, which is far away from the second driving motor.

Through adopting above-mentioned technical scheme, when the installation piece removed along the threaded rod, the dog restriction installation piece broke away from with the threaded rod.

The present invention in a preferred example may be further configured to: the water spray pipe is made of hard materials.

Through adopting above-mentioned technical scheme, the direction of control water spray that the spray pipe can be better for hard material.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the lapping plate and the receiving plate can receive dropped crushed stones, meanwhile, the locking assembly enables the connection between the first conveying mechanism and the second conveying mechanism to be more stable, when construction is completed, the reinforcing mechanism is controlled to be separated from the second conveying mechanism, the locking assembly enables the lapping plate to be loosened, finally, the second conveying mechanism rotates towards the direction close to the first conveying mechanism when the driving mechanism is controlled, the lapping plate is far away from the receiving plate, when one side face of the second conveying mechanism is in contact with the bottom face of the first conveying mechanism, the conveying device is in a folded state, at the moment, the occupied space of the milling machine is smaller than that of the conveying device when the milling machine is unfolded, and at the moment, the milling machine is convenient to transport;

2. when the lap joint plate is required to be separated from the bearing plate, the second conveying mechanism is rotated, and meanwhile, the lap joint plate extrudes the locking block to enable the locking block to be automatically separated from the locking, so that the labor is saved;

3. when the conveying device is in an unfolded state, the first driving motor is started to enable the connecting shaft to rotate in a direction close to the clamping plate, the connecting shaft rotates to drive the supporting rod to rotate, when the supporting rod is inserted into the clamping groove from one end of the clamping groove and clamped with the clamping groove, the reinforcing mechanism locks the first conveying mechanism and the second conveying mechanism, the second conveying mechanism is difficult to rotate, and the conveying device is enabled to be more stable in conveying broken stones;

4. when the spray pipe sprays water, the reciprocating mechanism is started to control the spray pipe to reciprocate to spray water, so that the water spraying area of the spray pipe is increased, and the dust removal effect is further improved.

Drawings

Fig. 1 is a schematic view of an embodiment of a milling machine body structure.

Fig. 2 is a schematic structural diagram of the embodiment embodying the first conveying mechanism and the second conveying mechanism.

FIG. 3 is a schematic structural diagram of a reinforcing mechanism and a dust removing mechanism according to an embodiment.

FIG. 4 is a schematic structural diagram of an embodiment of a receiving mechanism.

Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

FIG. 6 is a schematic diagram of an embodiment of a water jet hole structure.

In the drawing, 1, a milling machine body; 2. a conveying device; 21. a first conveying mechanism; 211. a first cover body; 212. a first conveyor belt; 22. a second transport mechanism; 221. a second cover body; 222. a second conveyor belt; 3. a drive mechanism; 31. a cylinder; 4. a reinforcement mechanism; 41. a first drive motor; 42. a connecting shaft; 43. a support shaft; 44. a support block; 45. a support plate; 46. a clamping and connecting plate; 47. a clamping groove; 5. a dust removal mechanism; 51. a water storage tank; 52. a water outlet pipe; 53. a water pump; 54. a water spray pipe; 55. a water inlet hole; 56. a sealing plug; 57. a water spray hole; 6. a reciprocating mechanism; 61. a second drive motor; 62. a threaded rod; 63. mounting blocks; 64. a guide hole; 65. a guide bar; 66. a bearing block; 67. a stopper; 7. a carrying mechanism; 71. a collection box; 72. a socket; 73. a bearing plate; 74. a long groove; 75. a lap plate; 76. bending the end; 8. a locking assembly; 81. a placing groove; 82. a spring; 83. a locking block; 84. and locking the grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the milling machine with foldable conveying device disclosed by the invention comprises a milling machine body 1, wherein a conveying device 2 which is inclined upwards in a direction away from the milling machine body 1 is arranged on one side of the milling machine body 1, the conveying device 2 comprises a first conveying mechanism 21 and a second conveying mechanism 22, and the first conveying mechanism 21 and the second conveying mechanism 22 are foldable.

As shown in fig. 2, the first conveying mechanism 21 includes a first housing 211 having a hollow structure, and a first conveyor belt 212 is connected to the inside of the first housing 211; the second conveying mechanism 22 includes a second housing 221 having a hollow structure, and a second conveyor belt 222 is connected to the inside of the second housing 221. One end of the first cover 211 is fixedly connected to the milling machine body 1 (see fig. 1), and one end of the first cover 211, which is far away from the milling machine body 1, is hinged to the second cover 221. The first cover 211 and the second cover 221 are connected with a driving mechanism 3 for controlling the second cover 221 to rotate around the hinged ends of the first cover and the second cover.

As shown in fig. 2 and fig. 3, during the construction, the driving mechanism 3 is started to rotate the second cover 221 around the hinged ends of the first cover 211 and the second cover 221 in the direction away from the second cover 221 until the end of the second cover 221 close to the first cover 211 is completely attached to the first cover 211, and at this time, the second cover 221 rotates to reach the limit position. Then, the material receiving vehicle (not shown in the drawings) is moved to one end of the second cover body 221, which is far away from the milling machine body 1 (see fig. 1), then the milling machine body 1 is controlled to excavate the asphalt pavement into broken stones, then the broken stones enter the first cover body 211 and fall onto the first conveyor belt 212, then the broken stones enter the second conveyor belt 222 inside the second cover body 221 along the first conveyor belt 212, and fall into the material receiving vehicle after being separated from one end of the second conveyor belt 222, which is far away from the milling machine body 1, along the second conveyor belt 222. When one end of the second cover 221 close to the first cover 211 is attached to the first cover 211, the first cover 211 inclines upwards compared with the second cover 221, and the second cover 221 is gentler than the first cover 211. One end of the second cover 221 close to the first cover 211 is inclined towards the direction close to the first cover 211, so that one end of the second cover 221 close to the first cover 211 can be completely attached to the first cover 211.

As shown in fig. 2 and 3, the driving mechanism 3 includes two cylinders 31 respectively hinged to two opposite sides of the first housing 211, and a piston rod of each cylinder 31 is disposed toward the second housing 221 and hinged to a side of the second housing 221. When the cylinder 31 is started to enable the piston rod of the cylinder 31 to gradually extend out of the cylinder 31, the second cover 221 can rotate around the hinged ends of the first cover 211 and the second cover 221 towards the direction far away from the first cover 211, when one end, close to the first cover 211, of the second cover 221 is completely attached to the first cover 211, the cylinder 31 is closed, and at the moment, the first conveying mechanism 21 and the second conveying mechanism 22 are in an unfolded state; when the cylinder 31 is actuated to gradually retract the piston rod of the cylinder 31 into the cylinder 31, the second cover 221 rotates in a direction approaching the first cover 211, and when the second cover 221 rotates to a limit position, the first conveying mechanism 21 and the second conveying mechanism 22 are folded. When the first conveying mechanism 21 and the second conveying mechanism 22 are folded, the milling machine occupies less space, and the transportation is convenient.

As shown in fig. 4, when the conveyor 2 is in the process of transporting the crushed stone from the first conveyor belt 212 to the second conveyor belt 222, some fine crushed slag may fall from the gap between the first conveyor belt 212 and the second conveyor belt 222. In order to solve this problem, receiving mechanisms 7 for receiving the crushed slag are provided in the first cover body 211 and the second cover body 221.

As shown in fig. 4 and 5, the receiving mechanism 7 includes a collecting box 71 fixedly connected to the inner side of the bottom surface of the first cover body 211, a receiving opening 72 is formed in one surface of the collecting box 71 close to the second cover body 221, a receiving plate 73 arranged toward the second cover body 221 is fixedly connected to the lower edge of the receiving opening 72, and two opposite side surfaces of the receiving plate 73 are respectively fixedly connected to two opposite inner side walls of the first cover body 211. The second cover 221 is provided with a bridging plate 75 facing the first cover 211, and two opposite sides of the bridging plate 75 are fixedly connected to two opposite inner sidewalls of the second cover 221. The lapping plate 75 is close to the perpendicular lapping plate 75 of the one end of accepting the board 73 and buckles downwards to form the joint end, and the upper surface of accepting the board 73 is equipped with rectangular groove 74, joint end and rectangular groove 74 joint. The receiving plate 73 and the overlapping plate 75 are both located below the first conveyor belt 212 and the second conveyor belt 222, and the overlapping plate 75 and the receiving plate 73 are both inclined downward toward the direction approaching the collection box 71.

When the conveyor device 2 transports the crushed stones, the crushed stones falling from the gap between the first conveyor belt 212 and the second conveyor belt 222 fall on the bridging plate 75 and then move in the direction of approaching the collecting box 71 along the bridging plate 75 and the receiving plate 73 until the crushed stones fall from the receiving opening 72 into the collecting box 71 to be collected. When the second cover 221 rotates toward the first cover 211 until the first conveying mechanism 21 and the second conveying mechanism 22 are folded, the bending end 76 gradually separates from the elongated groove 74 and rotates toward a direction away from the receiving plate 73, and the receiving structure does not affect the folding of the first conveying mechanism 21 and the second conveying mechanism 22.

As shown in fig. 5, when the bent end 76 is engaged with the elongated slot 74, the receiving plate 73 is provided with a locking assembly 8 for automatically locking the receiving plate 73 and the bridging plate 75. Locking subassembly 8 includes that slot 81 is put that rectangular groove 74 a side was equipped with, puts the one side fixedly connected with spring 82 that slot 81 kept away from end 76 of buckling, and spring 82 is close to the one end fixedly connected with locking piece 83 of end 76 of buckling, and the one side that end 76 of buckling is close to locking piece 83 is equipped with locking groove 84, locking piece 83 and locking groove 84 joint, and spring 82 does not receive external force this moment, for normal condition. During insertion of the bent end 76 into the elongated slot 74, the bent end 76 abuts the locking block 83 to compress the spring 82 until the locking block 83 is aligned with the locking slot 84, and the locking block 83 snaps into the locking slot 84 under the force of the spring 82. The locking block 83 is formed in a circular arc shape protruding toward the locking groove 84 so that the locking block 83 can be easily moved into or out of the locking groove 84.

As shown in fig. 3, the reinforcing mechanism 4 is further connected to the first cover 211, and when the first conveying mechanism 21 and the second conveying mechanism 22 are in the unfolded state, the reinforcing mechanism 4 is connected to the second cover 221, so that the connection between the first cover 211 and the second cover 221 is more stable, even when the first conveying mechanism 21 and the second conveying mechanism 22 are in the unfolded state.

As shown in fig. 3, the reinforcing mechanism 4 includes a first driving motor 41 fixedly connected to the upper surface of the first cover 211, an output shaft of the first driving motor 41 is disposed upward and fixedly connected to a connecting shaft 42, and the connecting shaft 42 is perpendicular to the output shaft of the first driving motor 41. One end of the connecting shaft 42 away from the first driving motor 41 is fixedly connected with a supporting shaft 43 which is vertically arranged downwards, and the lower end of the supporting shaft 43 is fixedly connected with a supporting block 44 (see fig. 6). The upper surface of the second cover 221 is fixedly connected with a supporting plate 45 which is vertically and upwardly arranged, the upper end of the supporting plate 45 is fixedly connected with a clamping plate 46 which is vertically arranged on the supporting plate 45, and the clamping plate 46 is provided with a circular arc-shaped clamping groove 47 and the clamping groove 47 penetrates through one end, far away from the supporting plate 45, of the clamping plate 46.

Referring to fig. 3 and 6, when the first conveying mechanism 21 and the second conveying mechanism 22 are in the unfolded state, the first driving motor 41 is started to rotate the connecting shaft 42 toward the engaging plate 46, the connecting shaft 42 rotates to drive the supporting shaft 43 and the supporting block 44 to rotate toward the engaging plate 46 until the supporting shaft 43 engages with the engaging groove 47, at this time, the supporting block 44 abuts against the lower surface of the engaging plate 46, the supporting block 44 gives a certain supporting force to the second conveying mechanism 22, so as to prevent the second conveying mechanism 22 from rotating downwards during the process of conveying the crushed stones by the first conveying mechanism 21 and the second conveying mechanism 22,

as shown in fig. 3, a great amount of dust may be generated during the process of broken stones falling from the conveyor 2 to the receiving vehicle from the second conveying mechanism 22, which may damage the surrounding environment, and the dust removing mechanism 5 is disposed at the end of the second conveying mechanism 22 far from the first conveying mechanism 21. The dust removing mechanism 5 comprises a water storage tank 51 fixedly connected with the upper surface of the second cover body 221, a water outlet pipe 52 made of soft material is fixedly connected with one surface of the water storage tank 51 far away from the first cover body 211, and a water pump 53 is installed on the water outlet pipe 52. One end of the water outlet pipe 52 far from the first water storage tank 51 is fixedly connected with a hard water spray pipe 54, and the side surface of the water spray pipe 54 is provided with a plurality of water spray holes 57 (see fig. 6). The water spray pipe 54 is made of hard material to control the direction of water spray.

As shown in fig. 3, a water inlet 55 is provided on the upper surface of the water storage tank 51, and a sealing plug 56 is fastened to the water inlet 55. When water needs to be stored in the water storage tank 51, the sealing plug 56 on the water inlet hole 55 is pulled off, and water enters the water storage tank 51 from the water inlet hole 55.

In the process that the broken stones on the second conveying mechanism 22 fall on the receiving vehicle, the water pump 53 is started, water in the water storage tank 51 is sprayed out from the water spraying holes 57 along the water outlet pipe 52 and the water spraying pipe 54, and the surrounding environment is subjected to dust reduction treatment.

As shown in fig. 3, a reciprocating mechanism 6 for controlling the horizontal reciprocation of the water spray pipe 54 is connected to the water spray pipe 54 to spray water to a larger area for dustfall in the dust removing mechanism 5. The reciprocating mechanism 6 comprises a second driving motor 61 fixedly connected with the upper surface of the second cover 221, a threaded rod 62 which is arranged in the horizontal direction far away from the first cover 211 is fixedly connected to the second driving motor 61, an installation block 63 is in threaded connection with the threaded rod 62, and the lower surface of the installation block 63 is fixedly connected with the side surface of the water spray pipe 54. The mounting block 63 is provided with a guide hole 64, a guide rod 65 is slidably connected in the guide hole 64, the upper surface of the second cover 221 is fixedly connected with a bearing block 66, and one end of the guide rod 65 is fixedly connected with the bearing block 66.

When the second driving motor 61 is started, the second driving motor 61 drives the threaded rod 62 to rotate in a reciprocating manner, the threaded rod 62 rotates in a reciprocating manner to drive the mounting block 63 and the water spraying pipe 54 to horizontally reciprocate along the direction of the guide rod 65, and at the moment, the water spraying pipe 54 can move in the horizontal direction to spray water, so that the water spraying area is increased.

As shown in fig. 3, a stopper 67 for limiting the detachment of the mounting block 63 from the threaded rod 62 is fixedly connected to an end of the threaded rod 62 away from the second driving motor 61. The end of the guide rod 65 remote from the receiving block 66 is fixedly connected with the stop 67.

The implementation principle of the embodiment is as follows: when construction is required at a certain place, the first driving motor 41 is started to make the supporting shaft 43 separate from the clamping groove 47, then the air cylinder 31 is started to make the piston rod of the air cylinder 31 retract into the air cylinder 31, so that one side surface of the second cover body 221 completely contacts the lower surface of the first cover body 211, at this time, the locking block 83 is separated from the locking groove 84, the bent end 76 is separated from the long groove 74, and then the milling machine is transported to a construction place.

Then, the cylinder 31 is started to gradually extend the piston rod of the cylinder 31 out of the cylinder 31, so that one end of the second cover 221 abuts against one end of the first cover 211 far away from the milling machine body 1, at this time, the bending end 76 is clamped with the strip groove 74, the locking block 83 is clamped with the locking groove 84 to lock the bending end 76 and the bearing plate 73, and then the first driving motor 41 is started to clamp the supporting shaft 43 with the clamping groove 47. And then controlling the milling machine body 1 to excavate the asphalt pavement, enabling the broken stones to fall into a receiving vehicle positioned in front of the milling machine through the first conveying mechanism 21 and the second conveying mechanism 22, and simultaneously starting the water pump 53 and the second driving motor 61 to enable the water spray pipe 54 to reciprocate to spray water for dust reduction.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. Milling machine with foldable conveying device, comprising milling machine body (1) and conveying device (2),

the conveying device (2) comprises:

first conveyance mechanism (21): is fixed with the milling machine body (1), and a first conveying belt (212) is arranged in the milling machine body;

second transfer mechanism (22): one end of the first conveying mechanism is hinged with the first conveying mechanism (21), and a second conveying belt (222) is arranged in the first conveying mechanism;

drive mechanism (3): is connected to the first transmission mechanism (21) and controls the second transmission mechanism (22) to rotate;

reinforcing mechanism (4): the reinforcing mechanism (4) is arranged between the first conveying mechanism (21) and the second conveying mechanism (22), and locks the first conveying mechanism (21) and the second conveying mechanism (22) when the hinged ends of the first conveying mechanism (21) and the second conveying mechanism (22) are completely contacted;

receiving mechanism (7): comprises a bearing plate (73) fixedly connected in a first conveying mechanism (21) and a lapping plate (75) fixed in a second conveying mechanism (22); when one ends of the first conveying mechanism (21) and the second conveying mechanism (22) which are hinged with each other are completely contacted, the lapping plate (75) is lapped with the upper surface of the bearing plate (73), and the lapping plate (75) and the bearing plate (73) are self-locked through the locking component (8);

locking subassembly (8) including rectangular groove (74) that accept board (73) upper surface and be equipped with, lapping plate (75) are close to the one end of accepting board (73) and buckle downwards and with rectangular groove (74) joint, a side of rectangular groove (74) is equipped with place groove (81), place groove (81) internal fixation has spring (82), the one end that spring (82) are close to accepting board (73) is fixed with locking piece (83), the one side of accepting board (73) and being close to locking piece (83) is equipped with locking groove (84), locking piece (83) and locking groove (84) joint.

2. The milling machine with a collapsible conveyor as defined in claim 1, wherein: the one end fixedly connected with collecting box (71) that the bridging plate (75) was kept away from to socket plate (73), collecting box (71) are close to the one side of socket plate (73) and are offered and are located socket (72) of bridging plate (75) top, and bridging plate (75) and socket plate (73) all incline towards the direction that is close to collecting box (71).

3. The milling machine with a collapsible conveyor as defined in claim 1, wherein: reinforcing mechanism (4) include with first transport mechanism (21) upper surface fixed's first driving motor (41), be fixed with connecting axle (42) on first driving motor (41), the one end that first driving motor (41) were kept away from in connecting axle (42) is fixed with back shaft (43), the upper surface fixed of second transport mechanism (22) has backup pad (45), back shaft (43) upper end fixedly connected with joint board (46), be equipped with joint groove (47) on joint board (46), back shaft (43) are followed joint groove (47) one end and are gone into joint groove (47) and in joint groove (47) joint.

4. The milling machine with a collapsible conveyor as defined in claim 3, wherein: the lower end of the supporting shaft (43) is fixedly connected with a supporting block (44) abutting against the lower surface of the clamping plate (46).

5. The milling machine with a collapsible conveyor as defined in claim 1, wherein: one end of the second conveying mechanism (22) far away from the first conveying mechanism (21) is provided with a dust removal mechanism (5) for spraying water for dust removal, the dust removal mechanism (5) comprises a water storage tank (51) with the upper surface fixed on the second conveying mechanism (22), one surface of the water storage tank (51) far away from the first conveying mechanism (21) is fixed with a water outlet pipe (52), a water pump (53) is installed on the water outlet pipe (52), and one end of the water outlet pipe (52) far away from the water storage tank (51) is fixedly connected with a water spraying pipe (54) provided with a plurality of water spraying holes (57).

6. The milling machine with a foldable transport unit of claim 5, wherein: the water spraying pipe (54) is connected with a reciprocating mechanism (6) which drives the water spraying pipe (54) to reciprocate.

7. The milling machine with a collapsible conveyor as defined in claim 6, wherein: reciprocating mechanism (6) is including installing second driving motor (61) at second transport mechanism (22) upper surface, fixedly connected with threaded rod (62) on second driving motor (61), threaded connection has installation piece (63) on threaded rod (62), the lower surface and spray pipe (54) fixed connection of installation piece (63), it has guide bar (65) still to slide connection on installation piece (63), one end and second transport mechanism (22) fixed connection that guide bar (65) are close to second transport mechanism (22).

8. The milling machine with a collapsible conveyor as defined in claim 7, wherein: and a stop block (67) for limiting the separation of the mounting block (63) and the threaded rod (62) is fixed at one end of the threaded rod (62) far away from the second driving motor (61).

9. The milling machine with a foldable transport unit of claim 5, wherein: the water spray pipe (54) is made of a hard material (54).