CN210636286U

CN210636286U - Milling machine for pavement construction

Info

Publication number: CN210636286U
Application number: CN201921517283.1U
Authority: CN
Inventors: 杨传勇; 吴顺祺; 齐文革; 牛其悦; 陈凤君; 董贤芸
Original assignee: Jinan Tongda Highway Engineering Co ltd
Current assignee: Jinan Tongda Highway Engineering Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-29
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a milling machine for pavement construction, which comprises a machine body, wherein one side of the machine body is connected with a pushing frame; the middle part of the pushing frame is rotatably connected with a blocking plate used for blocking powder, one side, far away from the pushing frame, of the blocking plate is rotatably connected with a rolling rod, and the blocking plate is in contact with the road surface through the rolling rod. The utility model has the advantages of block that the powder splashes towards the staff.

Description

Milling machine for pavement construction

Technical Field

The utility model belongs to the technical field of road construction equipment and specifically relates to a milling machine for road surface construction is related to.

Background

The milling machine is mainly used for milling and removing road surface bumps, tracks, net cracks and pit positions.

The prior chinese patent document with publication number CN105507122A discloses a milling machine, wherein one end of a tool rest base is provided with a front travelling wheel capable of adjusting lifting, the other end of the tool rest base is provided with a supporting rod, the supporting rod is connected with a pushing frame through at least one buffer device, the supporting rod is also connected with a depth adjusting rod, and the depth adjusting rod is in threaded connection with the pushing frame; the bottom of the tool rest seat is provided with a tool rest driven by a driving device to rotate, and the axis of the tool rest is vertical to the walking direction; the lower part of the pushing frame is provided with a traveling rear wheel.

Prior art milling machines like the one described above suffer from the following drawbacks: in the use process of the existing small-sized milling machine, a worker pushes the milling machine to operate through a pushing hand. Milling machine is milling the in-process, and milling machine's milling drum part and road surface friction can produce a large amount of powders, and the powder can be driven under milling the drum high-speed rotation, splashes towards staff's direction, leads to a large amount of powders of staff's trousers and shoes adhesion easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a milling machine for road surface construction has the advantage that blocks the powder and splash towards the staff.

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

a milling machine for pavement construction comprises a machine body, wherein one side of the machine body is connected with a pushing frame; the middle part of the pushing frame is rotatably connected with a blocking plate used for blocking powder, one side, far away from the pushing frame, of the blocking plate is rotatably connected with a rolling rod, and the blocking plate is in contact with the road surface through the rolling rod.

By adopting the technical scheme, when the milling machine works, powder generated by friction between the milling machine and the road surface is blocked by the blocking plate, and the amount of powder splashed to one side of a worker in the milling process is effectively reduced. In addition, one end of the barrier plate is contacted with the road surface through a roller rod, the roller rod can roll on the road surface, and the barrier plate can roll over smoothly even if powder exists on the road surface in front of the roller rod. Therefore, although the blocking plate is arranged, the situation that the road powder is scraped more forwards by the blocking plate is avoided in use.

The utility model discloses further set up to: one end of the blocking plate is provided with a first groove for the blocking plate to be rotatably connected to the pushing frame, and two side walls of the first groove are provided with pin holes; hinge seats are symmetrically arranged on two sides of the middle part of the push frame, threaded holes matched with the pin holes are formed in the hinge seats, bolts are connected to the threaded holes, and the bolts penetrate through the pin holes and are screwed into the threaded holes for locking; the part of the bolt, which is contacted with the pin hole, is a smooth part.

Through adopting above-mentioned technical scheme, through bolt screw in screw hole for the bolt fastening is in the screw hole, and the baffler passes through the pinhole and rotates the body of rod part of connecting in the bolt, makes the baffler can use the bolt to rotate as the axle, and through taking out the bolt, can conveniently dismantle the baffler.

The utility model discloses further set up to: a second groove for the rotary connection of the rolling rod is formed in one side, away from the first groove, of the blocking plate; hinge columns coaxial with the rolling rods are arranged at two ends of each rolling rod, and the rolling rods are hinged to the side walls of the second grooves through the hinge columns; and a buffer device for buffering the rolling rod is arranged on the side wall of the second groove.

Through adopting above-mentioned technical scheme, the roll bar articulates in the recess on the baffler through the hinge post at both ends, through buffer for the roll bar has certain buffering effect at rolling in-process.

The utility model discloses further set up to: the buffer device comprises an arc-shaped block and a spring; sliding grooves are symmetrically formed in two sides of the second groove, the arc-shaped blocks are connected in the sliding grooves in a sliding mode, the hinge columns are installed in the sliding grooves, and arc openings of the arc-shaped blocks face the hinge columns; a cylindrical head is arranged on one side, away from the arc opening, of the arc-shaped block, a circular groove is formed in one side, close to the first groove, of the inner wall of the sliding groove, and the cylindrical head is connected to the circular groove in a sliding mode; the spring is sleeved on the cylindrical head; one end of the spring is abutted against the arc-shaped block, and the other end of the spring is abutted against the inner wall of the sliding groove.

Through adopting above-mentioned technical scheme, the arc piece is under the effect of spring force for the arc mouth butt of arc piece just provides the thrust of ordering about articulated post to keeping away from spring one side removal all the time on articulated post. Through the cooperation of arc piece and spring for the roll bar has certain buffer capacity at the in-process that uses, can effectual reduction roll bar's wearing and tearing.

The utility model discloses further set up to: the cylindrical head and the arc-shaped block are of an integrally formed structure.

Through adopting above-mentioned technical scheme, because cylinder head and arc piece be integrated into one piece structure, can improve the processing convenience, reduce the processing cost.

The utility model discloses further set up to: and a locking mechanism which is matched with each other is arranged between the pushing frame and the blocking plate.

By adopting the technical scheme, after the milling machine finishes working, the blocking plate can be rotated to the pushing frame, and the blocking plate is fixed on the pushing frame through the locking mechanism, so that the blocking plate can be conveniently folded and fixed.

The utility model discloses further set up to: the locking mechanism comprises clamping seats and clamping rings, the clamping seats are symmetrically arranged on two sides of the blocking plate, which are perpendicular to the rolling rod, and the clamping rings are hinged to two sides of the pushing frame; and a clamping groove for fastening the clamping ring is formed in the clamping seat.

Through adopting above-mentioned technical scheme, through the snap ring lock joint in the draw-in groove part of cassette for the baffler is fixed more firm, when using the baffler, only need make the snap ring break away from the cassette can, simple structure, convenient to use.

The utility model discloses further set up to: the two side walls of the second groove further comprise splicing blocks located on one side, away from the first groove, of the sliding groove, and the splicing blocks are fixed to the positions, away from the notch of the first groove, of the sliding groove through screws.

By adopting the technical scheme, the rolling rods and the arc-shaped blocks are conveniently installed by taking down the splicing blocks.

To sum up, the utility model discloses a beneficial technological effect does:

1. the blocking plate connected to one side of the milling machine body is rotated, so that powder generated by friction between the milling machine and the road surface can be effectively prevented from splashing to trousers and shoes of workers.

2. One end of the blocking plate is abutted to the road surface through the rolling rod, so that the abrasion of the blocking plate is effectively reduced.

3. The blocking plate can be fixed on the pushing frame through the locking mechanism arranged between the pushing frame and the blocking plate, so that the blocking plate can be conveniently folded and fixed.

Drawings

FIG. 1 is a schematic structural view of the whole of the present embodiment;

FIG. 2 is an exploded view of the present embodiment;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a schematic view of the connecting structure of the baffle plate and the roller bar of the present embodiment;

FIG. 5 is an enlarged schematic view at B in FIG. 4;

FIG. 6 is a schematic view showing the barrier plate of the present embodiment in a state of being turned over and fixed on the pushing frame;

fig. 7 is an enlarged schematic view at C in fig. 6.

Description of reference numerals: 1. a body; 2. a motor; 3. milling and planing a drum; 4. splicing blocks; 5. pushing the frame; 6. a pushing handle; 7. a barrier plate; 8. rolling a rod; 9. a hinged column; 10. a first groove; 11. a second groove; 12. a hinged seat; 13. a pin hole; 14. a threaded hole; 15. a bolt; 16. an arc-shaped block; 17. a spring; 18. a chute; 19. a card slot; 20. a cylindrical head; 21. a card holder; 22. a snap ring; 23. a circular groove.

Detailed Description

Example (b):

a milling machine for road construction, as shown in fig. 1, comprises a machine body 1 and a power device, wherein a milling drum 3 is installed in the machine body 1. The power device consists of a motor 2, and the milling drum 3 is driven to rotate by the motor 2 so as to finish the milling action. One side of the machine body 1 is connected with a pushing frame 5, and one end of the pushing frame 5, which is far away from the machine body 1, is provided with a pushing handle 6 and a control console for controlling the operation of the milling machine. The operator controls the operation of the milling machine through the push handle 6, the push frame 5 and the control console. The above parts are prior art and are not described in detail.

As shown in fig. 1, the middle part of the pushing frame 5 is hinged with a blocking plate 7, and one side of the blocking plate 7 far away from the pushing frame 5 is rotatably connected with a rolling rod 8. During the use, separation board 7 moves together through rolling pole 8 butt on the road surface and along with the milling machine, and at this moment, the milling machine mills the powder that produces to splash towards the staff in-process and blocks through separation board 7 for the powder is difficult for the adhesion on staff's trouser legs and shoes.

As shown in fig. 2 and 3, a first groove 10 is formed at one end of the blocking plate 7, which is hinged to the pushing frame 5, and pin holes 13 parallel to the central axis of the rolling rod 8 are formed at two sides of the first groove 10. Hinged seats 12 are symmetrically arranged on two sides of the middle of the pushing frame 5, threaded holes 14 matched with the pin holes 13 are formed in the hinged seats 12, and the blocking plate 7 is connected to the pushing frame 5 through bolts 15.

As shown in fig. 1 and 3, the shank portion of the bolt 15 passes through the pin hole 13, the threaded portion of the bottom end of the bolt 15 is screwed into the threaded hole 14 and locked to the threaded hole 14, the portion of the shank of the bolt 15 passing through the pin hole 13 after the bolt 15 is locked is slightly longer than the length of the pin hole 13, and the portion of the bolt 15 contacting the pin hole 13 is smooth so that the blocking plate 7 can rotate about the bolt 15. By taking out the bolt 15, the separation plate 7 can be detached conveniently.

As shown in fig. 4 and 5, a second groove 11 for mounting the roller 8 is provided on a side of the blocking plate 7 away from the first groove 10, and a buffer device for buffering the roller 8 is provided on a side wall of the second groove 11. The buffering device comprises an arc-shaped block 16 and a spring 17, sliding grooves 18 for mounting the rolling rods 8 are symmetrically formed in two side walls of the second groove 11, and the arc-shaped block 16 and the spring 17 are both mounted in the sliding grooves 18.

As shown in fig. 4 and 5, a splice 4 is connected to a notch of the sliding slot 18 on a side away from the first groove 10, and the splice 4 is fixed to the notch of the sliding slot 18 on the side away from the first groove 10 by a bolt (not shown). The rolling rod 8 is cylindrical, hinge columns 9 which are coaxial and cylindrical with the rolling rod 8 are symmetrically arranged on two sides of the rolling rod 8, and the hinge columns 9 are installed in the sliding grooves 18. The arc mouth part of arc piece 16 is towards articulated post 9, and one side that arc piece 16 deviates from the arc mouth is provided with the round socket 20 that is used for supplying spring 17 cover to establish, and spout 18 offers the circular slot 23 that supplies cylindrical socket 20 sliding connection along the length direction of baffler 7, and cylindrical socket 20 sliding connection is in circular slot 23. One end of the spring 17 abuts against one side of the sliding groove 18 close to the circular groove 23, and the other end abuts against one side of the arc-shaped block 16 away from the arc opening.

As shown in fig. 4 and 5, the spring 17 always provides a spring force to drive the arc-shaped block 16 to move towards the side of the sliding chute 18 away from the circular groove 23, and the hinge column 9 abuts against the side of the sliding chute 18 away from the circular groove 23 under the action of the spring 17 and the arc-shaped block 16. When milling machine is milling the in-process of work, when roller 8 met and had the protrusion such as rubble, when roller 8 fell through the protrusion such as rubble, can drive the shrink of spring 17 through arc piece 16, played certain cushioning effect to roller 8, can effectual protection roller 8 in the course of the work, increase roller 8's life.

During the installation, the staff cup joints spring 17 at the cylinder head 20 part of arc piece 16 earlier, then put into spout 18 with arc piece 16 from the notch department that spout 18 kept away from first recess 10 one side, cylinder head 20 inserts in circular slot 23, will roll the arc mouth position of the articulated column 9 part installation of pole 8 and butt arc piece 16 in spout 18 again, will splice piece 4 at last and keep away from the notch department of first recess 10 one side through the fix with screw in spout 18, thereby accomplish the installation of rolling pole 8.

As shown in fig. 6 and 7, a locking mechanism is disposed between the blocking plate 7 and the pushing frame 5, the locking mechanism includes a snap ring 22 hinged to the pushing frame 5 and a clamping seat 21 fixed on two sides of the blocking plate 7 and matched with the snap ring 22, and a clamping groove 19 for fastening the snap ring 22 is disposed on the clamping seat 21. The blocking plate 7 is fixed on the pushing frame 5 by rotating the blocking plate 7 to one side close to the pushing frame 5 by taking the bolt 15 as an axis and buckling the clamping ring 22 on the pushing frame 5 in the clamping groove 19 of the clamping seat 21. The snap ring 22 and the card seat 21 are in interference fit, that is, the snap ring 22 is buckled on the card seat 21 by extrusion with a certain force. The blocking plate 7 is fixed on the pushing frame 5, so that the blocking plate 7 can be conveniently folded and placed.

The use process comprises the following steps:

when the milling machine is used, the clamping ring 22 clamped on the clamping seat 21 is broken off, the blocking plate 7 is abutted on the road surface through the rolling rod 8 under the action of self gravity, and moves along with the milling machine. The blocking plate 7 blocks the powder splashed towards the working personnel during the milling process of the milling machine on the side of the blocking plate 7 close to the machine body 1. After the use is finished, the blocking plate 7 is turned to one side close to the pushing frame 5, and the blocking plate 7 is buckled on the clamping groove 19 of the clamping seat 21 through the clamping ring 22, so that the folding and fixing of the blocking plate 7 are realized.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A milling machine for pavement construction comprises a machine body (1), wherein one side of the machine body (1) is connected with a pushing frame (5); the method is characterized in that: the middle part of pushing away frame (5) is rotated and is connected with separation board (7) that are used for blockking the powder, one side swivelling joint that separation board (7) kept away from pushing away frame (5) has roller (8), separation board (7) are through roller (8) and road surface contact.

2. A milling machine for road construction according to claim 1, characterized in that: one end of the blocking plate (7) is provided with a first groove (10) for the blocking plate (7) to be rotatably connected to the pushing frame (5), and two side walls of the first groove (10) are provided with pin holes (13); hinged seats (12) are symmetrically arranged on two sides of the middle of the pushing frame (5), threaded holes (14) matched with the pin holes (13) are formed in the hinged seats (12), bolts (15) are connected to the threaded holes (14), and the bolts (15) penetrate through the pin holes (13) and are screwed into the threaded holes (14) for locking; the part of the bolt (15) contacting with the pin hole (13) is a smooth part.

3. A milling machine for road construction according to claim 2, characterized in that: a second groove (11) for the rolling rod (8) to be connected in a rotating mode is formed in one side, far away from the first groove (10), of the blocking plate (7); hinge columns (9) coaxial with the roller rods (8) are arranged at two ends of each roller rod (8), and the roller rods (8) are hinged to the side walls of the second grooves (11) through the hinge columns (9); and a buffer device for buffering the rolling rod (8) is arranged on the side wall of the second groove (11).

4. A milling machine for road construction according to claim 3, characterized in that: the buffer device comprises an arc-shaped block (16) and a spring (17); sliding grooves (18) are symmetrically formed in two sides of the second groove (11), the arc-shaped blocks (16) are connected into the sliding grooves (18) in a sliding mode, the hinge columns (9) are installed in the sliding grooves (18), and arc openings of the arc-shaped blocks (16) face the hinge columns (9); a cylindrical head (20) is arranged on one side, away from the arc opening, of the arc-shaped block (16), a circular groove (23) is formed in one side, close to the first groove (10), of the inner wall of the sliding groove (18), and the cylindrical head (20) is connected to the circular groove (23) in a sliding mode; the spring (17) is sleeved on the cylindrical head (20); one end of the spring (17) is abutted against the arc-shaped block (16), and the other end of the spring is abutted against the inner wall of the sliding groove (18).

5. A milling machine for road construction according to claim 4, characterized in that: the cylindrical head (20) and the arc-shaped block (16) are of an integrally formed structure.

6. A milling machine for road construction according to claim 1, characterized in that: and a locking mechanism which is matched with each other is arranged between the pushing frame (5) and the blocking plate (7).

7. A milling machine for road construction according to claim 6, characterized in that: the locking mechanism comprises a clamping seat (21) and clamping rings (22), the clamping seat (21) is symmetrically arranged on two sides of the barrier plate (7), and the clamping rings (22) are hinged to two sides of the pushing frame (5); the clamping seat (21) is provided with a clamping groove (19) for buckling the clamping ring (22).

8. A milling machine for road construction according to claim 4, characterized in that: the two side walls of the second groove (11) further comprise splicing blocks (4) located on one side, away from the first groove (10), of the sliding groove (18), and the splicing blocks (4) are fixed to the positions, away from the first groove (10), of the notches of the sliding groove (18) through screws.