CN115094969A

CN115094969A - Stone breaker for municipal construction

Info

Publication number: CN115094969A
Application number: CN202210602322.8A
Authority: CN
Inventors: 刘聪; 李薇; 李晓君; 刘欢; 崔光德
Original assignee: Yunnan Boshuo Information Technology Co ltd
Current assignee: Yunnan Boshuo Information Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-23
Anticipated expiration: 2042-05-30
Also published as: CN115094969B

Abstract

The invention provides a stone crushing device for municipal construction, which comprises a crawler wheel and a rotary table rotatably connected with the crawler wheel, wherein a first fixing seat and a second fixing seat are arranged on the same side of the rotary table, a cab is arranged between the first fixing seat and the second fixing seat, an excavating arm is arranged on the first fixing seat, the end part of the excavating arm is connected with a crushing bucket and used for excavating and crushing stones, a telescopic arm is arranged on the second fixing seat, one end of the telescopic arm, which is far away from the rotary table, is connected with a bent arm, the bent arm extends to the lower part of the crushing bucket, and the end part of the bent arm is provided with a stone falling bucket and used for receiving crushed stones. According to the invention, the stone blocks are crushed into stones by the crushing hopper and then transferred out by the belt and the stone conveying line, a transport truck is not required, the stone crusher can adapt to the crushing and the transportation of the stone blocks under special conditions, and the production efficiency is improved.

Description

Stone breaker for municipal construction

Technical Field

The invention relates to the field of engineering machinery, in particular to a stone crushing device for municipal construction.

Background

Large-scale crushing equipment is widely applied to occasions such as mines, stone yards and the like, and provides stones for concrete construction, pavement and the like. Although large-scale crushing equipment has strong material processing capacity per unit time, the large-scale crushing equipment has the defects of large volume, heavy weight, high power, difficulty in fixing the installation position and difficulty in moving.

At present, a small crushing device loaded on an excavator is also available in the market, and the crushing operation can be flexibly carried out. However, in some special occasions, such as limited site, narrow and uneven road and soft geology, a transport truck matched with crushing equipment cannot enter, so that crushed stones are directly poured on the ground and cannot be transported out in time; in addition, when the small crushing equipment is used for crushing operation, a large amount of dust can be generated, and the working environment is poor.

Disclosure of Invention

The invention aims to provide a stone crushing device for municipal construction, which solves the problems that crushed stones cannot be conveyed out in time and a large amount of dust is generated because the crushed stones are directly poured on the ground in the prior art.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a stone breaker for municipal construction, including the athey wheel and with the athey wheel rotates the revolving platform of connecting, the homonymy is provided with first fixing base and second fixing base on the revolving platform, be equipped with the driver's cabin between first fixing base and the second fixing base, be equipped with on the first fixing base and dig the arm, it has broken fill to dig arm end connection for excavate and smash the stone, be equipped with flexible arm on the second fixing base, revolving platform one end is kept away from to flexible arm is connected with the curved boom, the curved boom extends to broken below of fighting, just the curved boom tip is equipped with the rock fall fill for accept the stone after smashing.

As preferred scheme, the breakage is fought including broken main part of fighting, fixed jaw and swing jaw are located in the broken inside cavity of fighting the main part, fixed jaw slope downwards with broken main part fixed connection that fights, the swing jaw is located fixed jaw top, its slope upwards with broken main part swing joint that fights, the swing jaw top is equipped with drive assembly for drive swing jaw extrudees the stone to fixed jaw one side motion, is equipped with the open slot that is used for dropping the stone in the broken main part of fighting that fixed jaw and swing jaw are close to one end each other.

According to the preferable scheme, one end of the movable jaw plate is rotatably connected with the crushing bucket body through a rotating shaft, the other end of the movable jaw plate is elastically connected with the crushing bucket body through a spring, guide arc grooves are symmetrically formed in two side walls of the crushing bucket body, protruding columns are fixedly connected to two sides of the movable jaw plate and penetrate through the guide arc grooves, and limiting blocks are connected to the end portions of the protruding columns.

Preferably, the driving assembly comprises a first motor and a cam shaft, the first motor is fixedly arranged on the side wall of the crushing bucket body, the cam shaft is positioned above the movable jaw, one end part of the cam shaft is connected with an output shaft of the first motor, and the other end part of the cam shaft is movably connected to the side wall of the crushing bucket through a bearing.

As the preferred scheme, a stone blocking plate is arranged above the opening of the cavity of the crushing bucket and used for preventing stones from falling into the cavity above the movable jaw plate.

As preferred scheme, flexible arm is including flexible arm main part, flexible arm main part below is equipped with a plurality of belt rollers, be equipped with first belt on the belt roller, the inside second belt that is equipped with of curved boom, a second belt tip is located the rock fall mouth below of rock fall fill, another tip is located first belt tip top, just be equipped with the transition slide between first belt and the second belt tip.

Preferably, the telescopic arm comprises a telescopic arm main body, a plurality of belt rollers are arranged below the telescopic arm main body, first belts are arranged on the belt rollers, second belts are arranged inside the bent arm, one end part of each second belt is located below a rock falling port of the rock falling hopper, the other end part of each second belt is located above the end part of each first belt, and a transition sliding plate is arranged between the end parts of the first belts and the second belts; still include belt tensioning subassembly, belt tensioning subassembly includes U type frame, tensioning roller and a plurality of steering roll to and the driving piece, U type frame both sides are passed through connecting plate and flexible arm bulk member lateral wall fixed connection, are located U type frame turning and top portion are equipped with a plurality of steering rolls respectively, the tensioning roller is located inside the U type frame to with U type frame sliding connection, first belt is in proper order around locating on a plurality of steering rolls and the tensioning roller, the driving piece locate in the flexible arm main part, and with the tensioning roller transmission is connected for drive tensioning roller slides.

As the preferred scheme, the belt tensioning assembly further comprises fixed side plates, the driving piece is a long-arm cylinder, the two fixed side plates are respectively arranged on two sides of the U-shaped frame and are fixedly connected with the telescopic arm main body through connecting plates, guide grooves are symmetrically formed in the fixed side plates, two ends of the tensioning roller extend into the guide grooves, and the two ends of the tensioning roller are respectively connected with the long-arm cylinder arranged on the fixed side plates.

According to the preferable scheme, the end part of the bent arm is fixedly provided with a second bracket, the second bracket is provided with a blower, an air outlet of the blower is positioned below a rock falling port of the rock falling hopper, an air outlet is formed in the side wall of the bent arm opposite to the blower, and the outer side of the air outlet is connected with an ash collecting bag.

Preferably, the stone collecting device further comprises a stone conveying line, wherein the stone conveying line is arranged on the rotary table, one end of the stone conveying line is located below the end of the first belt, and the other end of the stone conveying line extends to the external stone collecting bin.

Compared with the prior art, the invention has the beneficial effects that: the excavating arm and the telescopic arm are simultaneously installed on the rotary table, the crushing hopper and the rock falling hopper are respectively arranged on the excavating arm and the telescopic arm, the crushing hopper excavates and crushes stones, the crushed stones directly fall into the rock falling hopper and are transferred out through the stone conveying line, a truck is not required to be transported, the stone crusher can adapt to crushing and transportation of stones under special conditions, and the production efficiency is improved; set up air-blower and dust collection bag in the rock fall fill, can blow in the dust collection bag with the dust that produces when the stone is broken, reduce dust pollution.

Drawings

The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:

fig. 1 is a schematic structural view of a stone crushing apparatus for municipal construction according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a telescopic arm according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a top view of a telescoping arm according to one embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a crushing bucket according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a crushing bucket according to an embodiment of the invention;

FIG. 7 is a schematic structural view of a telescopic arm according to another embodiment of the present invention;

FIG. 8 is a schematic structural view of a belt tensioner assembly of another embodiment of the present invention;

figure 9 is a side view of a belt tensioner assembly of another embodiment of the present invention.

Reference numbers in the figures: 1 revolving platform, 2 crawler wheels, 3 cabs, 4 first fixed seats, 5 second fixed seats, 6 digging arms, 7 crushing buckets, 701 crushing bucket main bodies, 702 fixed jaws, 703 movable jaws, 704 first motors, 705, 706 rotating shafts, 707 limited blocks, 708 guide arc grooves, 709 springs, 710 stone blocking plates, 711 connectors, 712 open grooves, 8 telescopic arms, 801 telescopic arm main bodies, 802 bent arms, 803 first belts, 804 belt rollers, 805 first brackets, 806 transition sliding plates, 9 rock falling buckets, 901 rock falling bucket main bodies, 902 second brackets, 903 blowers, 904 dust collecting bags, 905 second belts, 906 rock falling ports, 10 rock conveying lines, 11 belt tensioning assemblies, 1101U-shaped frames, 1102 first steering rollers, 1103 second steering rollers, 1104 third steering rollers, 1105 connecting plates, 1106 tensioning rollers, 1107 fixed side plates, 1108, 1109 guide grooves.

Detailed Description

It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the essential spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as limiting or restricting the technical aspects of the present invention.

Example 1

An embodiment according to the invention is shown in connection with fig. 1 to 6. The utility model provides a stone breaker for municipal construction, including athey wheel 2 and with athey wheel 2 rotate the revolving platform 1 of being connected, the homonymy is provided with first fixing base 4 and second fixing base 5 on revolving platform 1, be equipped with driver's cabin 3 between first fixing base 4 and the second fixing base 5, be equipped with on first fixing base 4 and

dig arm

6, 6 end connection of digging arm has broken 7 of fighting, be used for excavating and smashing the stone, be equipped with flexible arm 8 on the

second fixing base

5, 1 one end of revolving platform is kept away from to flexible arm 8 is connected with curved boom 802, curved boom 802 extends to broken 7 below of fighting, and the curved boom 802 tip is equipped with falling stone and fights 9, be used for accepting the stone after smashing.

The above-described turntable 1, crawler wheels 2, cab 3 and excavator arm 6 may employ corresponding components on an excavator, which is a prior art. The crawler wheel 2 can adapt to special operation environments such as rugged road and soft geology due to the structural characteristics of the crawler wheel. The driver operates the excavator arm 6 and the telescopic arm 8 in the cab 3.

Specifically, broken 7 of fighting includes broken main part 701 of fighting, fixed jaw 702 and swing jaw 703 are located broken internal cavity who fights main part 701, fixed jaw 702 slope is downward with broken main part 701 fixed connection that fights, swing jaw 703 is located fixed jaw 702 top, its slope upwards with broken main part 701 swing joint that fights, swing jaw 703 top is equipped with drive assembly, be used for driving swing jaw 703 to fixed jaw 702 one side motion, extrude the stone, be equipped with the open slot 712 that is used for the stone that drops on fixed jaw 702 and the broken main part 701 of fighting that swing jaw 703 is close to one end each other.

Furthermore, one end of the movable jaw 703 is rotatably connected to the crushing bucket body 701 through a rotating shaft 706, the other end of the movable jaw is elastically connected to the crushing bucket body 701 through a spring 709, guide arc grooves 708 are symmetrically formed in two side walls of the crushing bucket body 701, protruding columns are fixedly connected to two sides of the movable jaw 703, penetrate through the guide arc grooves 708, and a limiting block 707 is connected to the end of the protruding columns.

The driving assembly comprises a first motor 704 and a cam shaft 705, the first motor 704 is fixedly arranged on the side wall of the crushing bucket main body 701, the cam shaft 705 is positioned above the movable jaw 703, one end part of the cam shaft is connected with an output shaft of the first motor 704, and the other end part of the cam shaft is movably connected to the side wall of the crushing bucket 7 through a bearing. During operation, first motor 704 drives camshaft 705 and rotates, and the downward pressure is applyed to movable jaw 703 to intermittent type nature, and movable jaw 703 extrudes the stone to fixed jaw 702 one side motion for the stone is broken into the stone, falls into in the falling rocks fill 9 from open slot 712 again.

Furthermore, a stone baffle plate 710 is provided above the opening of the chamber of the crushing hopper 7 for preventing stones from falling into the chamber above the moveable jaw 703.

In the embodiment of the invention, the telescopic arm 8 comprises a telescopic arm main body 801, the telescopic arm main body 801 is a sleeved telescopic arm, also called a concealed telescopic arm, the structure of the telescopic arm is that a first section is a fixed body, the rest are moving bodies, all the moving bodies are arranged in the fixed body, the principle is that the first section is connected with two sections, the second section of the telescopic bucket arm is connected with three sections, and the like, and then the telescopic arm is extended or retracted through a stroke oil cylinder, only one fixed body is provided, two or more moving bodies are provided, and the number of the stroke oil cylinders is the number of all the moving bodies minus one.

A plurality of belt rollers 804 are provided below the telescopic arm body 801, and one or more of the belt rollers 804 are driven by a motor to rotate. The belt roller 804 is provided with a first belt 803, the first belt 803 is a telescopic belt, and specifically is a structure formed by mutually overlapping a plurality of belt pieces, when the telescopic arm body 801 extends out, adjacent belt pieces are away from each other, and when the telescopic arm body 801 retracts, the connected belt pieces are close to each other, so that the first belt 803 moves along with the telescopic arm body 801. The first belt 803 is prior art.

A second belt 905 is arranged in the bent arm 802, one end of the second belt 905 is positioned below a rock falling port 906 of the rock falling hopper 9, the other end of the second belt 905 is positioned above the end of the first belt 803, a transition sliding plate 806 is arranged between the ends of the first belt 803 and the second belt 905, a first bracket 805 is fixedly arranged at the lower part of the movable end of the telescopic arm main body 801, and the transition sliding plate 806 is arranged on the first bracket 805. The second belt 905 is driven by a motor to transport the stones from one end of the second belt 905 to the other end, and then onto the first belt 803 via the transition plate 806.

The end of the curved arm 802 is fixedly provided with a second bracket 902, the second bracket 902 is provided with a blower 903, the air outlet of the blower 903 is positioned below the rockfall opening 906 of the rockfall hopper 9, the side wall of the curved arm 802 opposite to the blower 903 is provided with an air outlet, and the outer side of the air outlet is connected with an ash collecting bag 904. The blower 903 can blow dust generated when the stone is broken into dust into the dust collecting bag 904, so that dust pollution is reduced.

It is understood that the open groove 712, the rock falling port 906 and the air outlet are provided with screens, and the size of the screens is changed to allow stones conforming to the set size to pass through.

The crushing device further comprises a stone conveying line 10, wherein the stone conveying line 10 is arranged on the rotary table 1, one end of the stone conveying line is located below the end of the first belt 803, and the other end of the stone conveying line extends to the external stone collecting bin. The outside of the stone conveyor line 10 or the first belt 803 is sleeved with a pipeline for preventing stones from falling.

Example 2

The embodiment of the present invention differs from embodiment 1 only in that a belt tensioner assembly 11 is further provided below the telescopic arm 8.

As shown in fig. 7 to 9, the belt tensioning assembly 11 includes a U-shaped frame 1101, a tensioning roller 1106, a plurality of turning rollers, and a driving member 1108, two sides of the U-shaped frame 1101 are fixedly connected to the side wall of the telescopic arm body 801 through a connecting plate 1105, a first turning roller 1102, a second turning roller 1103, and a third turning roller 1104 are respectively disposed at two corners and top end portions of the U-shaped frame 1101, the tensioning roller 1106 is disposed inside the U-shaped frame 1101 and slidably connected to the U-shaped frame 1101, the first belt 803 is sequentially wound around the first turning roller 1102, the second turning roller 1103, the third turning roller 1104, and the tensioning roller 1106, and the driving member 1108 is disposed on the telescopic arm body 801 and drivingly connected to the tensioning roller 1106 for driving the tensioning roller 1106 to slide.

Specifically, belt tensioning subassembly 11 still includes fixed curb plate 1107, and in this embodiment, driving piece 1108 adopts for the long armed cylinder, and U type frame 1101 both sides are located respectively to two fixed curb plates 1107, and through connecting plate 1105 and flexible arm main part 801 fixed connection, and guide way 1109 has been seted up to two fixed curb plate 1107 symmetries, and in tensioning roller 1106 both ends stretched into guide way 1109, and its both ends respectively with locate fixed curb plate 1107 on the long armed cylinder link to each other.

In order to realize synchronous extension and retraction of the first belt 803 and the telescopic arm 8, the extension and retraction length of the long arm cylinder needs to be consistent with that of the telescopic arm 8, and a distance sensor can be used for control, which is a common control means and is not described herein again.

It should be understood that other driving methods such as rack and pinion, synchronous pulley, etc. can be used to drive the tension roller 1106 to move back and forth on the fixed side plate 1107.

The invention provides a stone crushing device for municipal construction, wherein when the device works, a driver excavates and crushes stones by operating an excavating arm 6 and driving a crushing hopper 7, when the device is used for crushing, a rock falling hopper 9 is tightly attached to the lower part of the crushing hopper 7 by controlling a telescopic arm 8, crushed stones fall into the rock falling hopper 9, a blower 903 blows generated dust into a dust collecting bag 904, and the stones are conveyed to a first belt 803 by a second belt 905 and then conveyed to the outside by a stone conveying line 10.

In summary, the beneficial effects of the invention include: the excavating arm 6 and the telescopic arm 8 are simultaneously installed on the rotary table 1, the crushing hopper 7 and the rock falling hopper 9 are respectively arranged on the excavating arm 6 and the telescopic arm 8, the crushing hopper 7 excavates and crushes the rock, the crushed rock directly falls into the rock falling hopper 9 and is transferred out through the rock conveyor line 10, a transport truck is not needed, the rock crushing and transporting under special conditions can be adapted, and the production efficiency is improved; a blower 903 and a dust collecting bag 904 are arranged in the rock falling hopper 9, so that dust generated when the rock is crushed can be blown into the dust collecting bag 904, and dust pollution is reduced.

The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.

Claims

1. The utility model provides a stone breaker for municipal construction, its characterized in that, including the athey wheel and with the athey wheel rotates the revolving platform of connecting, the homonymy is provided with first fixing base and second fixing base on the revolving platform, be equipped with the driver's cabin between first fixing base and the second fixing base, be equipped with on the first fixing base and dig the arm, it has broken fill to dig arm end connection for excavate and smash the stone, be equipped with flexible arm on the second fixing base, flexible arm is kept away from revolving platform one end and is connected with the curved boom, the curved boom extends to broken below of fighting, just the curved boom tip is equipped with the rockfall and fights for accept the stone after smashing.

2. The stone breaker for municipal construction according to claim 1, characterized in that, broken fill includes broken fill main part, fixed jaw and swing jaw are located in the inside cavity of broken fill main part, fixed jaw slope downwards with broken fill main part fixed connection, the swing jaw is located fixed jaw top, its slope upwards with broken fill main part swing joint, the swing jaw top is equipped with drive assembly for drive swing jaw is to fixed jaw one side motion, extrudees the stone, be equipped with the open slot that is used for the stone that drops in the broken fill main part that fixed jaw and swing jaw are close to one end each other.

3. The stone crusher for municipal construction according to claim 2, wherein one end of the movable jaw is rotatably connected to the crushing hopper body through a rotating shaft, the other end of the movable jaw is elastically connected to the crushing hopper body through a spring, guide arc grooves are symmetrically formed in two side walls of the crushing hopper body, and protruding columns are fixedly connected to two sides of the movable jaw, penetrate through the guide arc grooves and are connected to the ends of the protruding columns.

4. The stone crusher for municipal construction according to claim 2, wherein the driving assembly comprises a first motor and a cam shaft, the first motor is fixedly arranged on the side wall of the main body of the crushing bucket, the cam shaft is positioned above the movable jaw, one end of the cam shaft is connected with the output shaft of the first motor, and the other end of the cam shaft is movably connected to the side wall of the crushing bucket through a bearing.

5. The stone crusher for municipal construction according to claim 1, wherein a stone blocking plate is provided above the opening of the crushing hopper cavity to prevent stones from falling into the cavity above the movable jaw.

6. The stone crusher for municipal construction according to claim 1, wherein the telescopic boom comprises a telescopic boom body, a plurality of belt rollers are arranged below the telescopic boom body, a first belt is arranged on the belt rollers, a second belt is arranged inside the bent boom, one end of the second belt is located below a stone falling port of the stone falling hopper, the other end of the second belt is located above the end of the first belt, and a transition sliding plate is arranged between the first belt and the second belt.

7. The stone crushing device for municipal construction according to claim 1, wherein the telescopic boom comprises a telescopic boom main body, a plurality of belt rollers are arranged below the telescopic boom main body, a first belt is arranged on each belt roller, a second belt is arranged inside the bent boom, one end of each second belt is positioned below a stone falling port of the stone falling hopper, the other end of each second belt is positioned above the end of the first belt, and a transition sliding plate is arranged between the first belt and the second belt;

still include belt tensioning subassembly, belt tensioning subassembly includes U type frame, tensioning roller and a plurality of steering roll to and the driving piece, U type frame both sides are passed through connecting plate and flexible arm bulk member lateral wall fixed connection, are located U type frame turning and top portion are equipped with a plurality of steering rolls respectively, the tensioning roller is located inside the U type frame to with U type frame sliding connection, first belt is in proper order around locating on a plurality of steering rolls and the tensioning roller, the driving piece locate in the flexible arm main part, and with the tensioning roller transmission is connected for drive tensioning roller slides.

8. The stone crushing device for municipal construction according to claim 7, wherein the belt tensioning assembly further comprises fixed side plates, the driving member is a long arm cylinder, the two fixed side plates are respectively disposed on two sides of the U-shaped frame and fixedly connected with the telescopic arm body through a connecting plate, guide grooves are symmetrically formed in the two fixed side plates, two ends of the tensioning roller extend into the guide grooves, and two ends of the tensioning roller are respectively connected with the long arm cylinder disposed on the fixed side plates.

9. The stone crushing device for municipal construction according to claim 6 or 7, wherein a second bracket is fixedly arranged at the end of the curved arm, the second bracket is provided with a blower, the air outlet of the blower is positioned below the rock falling port of the rock falling hopper, an air outlet is formed in the side wall of the curved arm opposite to the blower, and an ash collecting bag is connected to the outer side of the air outlet.

10. The stone crusher for municipal construction according to claim 6 or 7, further comprising a stone conveyor line provided on the rotary table, one end of the stone conveyor line being located below the first belt end and the other end extending to an external stone collector.