CN215290349U

CN215290349U - Vibration box of hydraulic impact crusher

Info

Publication number: CN215290349U
Application number: CN202121214311.XU
Authority: CN
Inventors: 梁山海
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-24
Anticipated expiration: 2031-06-02

Abstract

The utility model relates to a hydraulic shock breaker vibrating bin, mainly include the organism, the drill rod, the vibrating bin, the thousand years frame, shock attenuation gasbag and hydraulic pressure pipe, be located inside thousand years frame one end of organism and articulate to the organism through thousand years frame connecting axle, the other end of thousand years frame is articulated with the vibrating bin, the vibrating bin corresponds with the hydraulic system of digging the machine through the hydraulic pressure pipe and is connected, the vibrating bin top is the shock attenuation gasbag, the end is connected with the drill rod, the driving shaft is located the centre, go up the driven shaft, all install eccentric wheel and gear on driving shaft and the lower driven shaft, the driving shaft gear respectively with last driven shaft, the driven shaft meshing down, driving motor installs on the driving shaft and corresponds through hydraulic pressure pipe and excavator hydraulic system and is connected. The utility model discloses following beneficial effect has: simple structure, strong durability, low maintenance difficulty, low production cost, large crushing force, high precision, low noise and strong crushing capability.

Description

Vibration box of hydraulic impact crusher

Technical Field

The utility model relates to an excavator supporting device, especially a hydraulic shock breaker vibrating bin.

Background

In the prior art, a hydraulic impact breaker (hydraulic impact breaker) is an important working tool of a hydraulic excavator, and is mounted on an excavating loader for breaking operation, the hydraulic impact breaker takes hydrostatic pressure as power to drive a piston to reciprocate, the piston impacts a drill rod at high speed during stroke, the drill rod breaks solid such as ore and concrete, the power source of the hydraulic impact breaker is pressure oil provided by a pump station of the excavating excavator or loading machine, and a vibration box of the hydraulic impact breaker is a heart. Chinese patent CN 203695168U discloses a high-frequency breaking hammer, which comprises a mounting device, a vibration exciter, a four-bar linkage mechanism and a vibrating cutter row, wherein the vibration exciter comprises a first driving shaft mounted in a housing, a first driven shaft and a second driving shaft which are engaged with the first driving shaft through a gear, a second driven shaft which is engaged with the second driving shaft through a gear, and a gap bridge shaft mounted between the first driving shaft and the second driving shaft; a first driving motor and a second driving motor are respectively arranged at one end of the first driving shaft and one end of the second driving shaft; the central axes of the first driving shaft and the second driving shaft are positioned on the same vertical plane; first driving shaft and first driven shaft, second driving shaft and second driven shaft are located same horizontal plane, have adopted two sets of drive shafts to two driving motors in the cooperation, overcome among the prior art defect that crushing dynamics is little, crushing precision is low, the noise is big, crushing ability is weak, but this kind of high frequency quartering hammer has the structure complicacy, the maintenance degree of difficulty is big, high in production cost, life is short not enough, and the popularization degree of difficulty is big.

Disclosure of Invention

The utility model aims to avoid the defects in the prior art and provide a vibration box of a hydraulic impact breaker, which comprises a vibration box body, a vibration box connecting shaft, a damping air bag, a driving shaft and a driven shaft, the vibration box comprises an eccentric shaft and a hydraulic pipe, wherein an upper driven shaft, a driving shaft and a lower driven shaft which are arranged on the same axis and the same plane are arranged in a vibration box body, the driving shaft is positioned in the middle, eccentric wheels and gears are arranged on the upper driven shaft, the driving shaft and the lower driven shaft respectively, the gears of the driving shaft are meshed with the upper driven shaft and the lower driven shaft respectively, a driving motor is matched on the driving shaft, the driving motor can be correspondingly connected with a hydraulic system of the excavator through the hydraulic pipe, a damping air bag is arranged at the top end of the vibration box, the tail end of the vibration box can be connected with a drill rod of a hydraulic impact crusher, and a vibration box body is hinged with a swing frame of the hydraulic impact crusher through a vibration box connecting shaft.

Further, the gear include driving gear, last driven gear and driven gear down, and the gear diameter is the same, driving gear, last driven gear and driven gear down install respectively on driving shaft, last driven shaft and driven shaft down.

Furthermore, the driving motor drives the driving shaft to rotate under the control of the hydraulic system of the excavator, and indirectly drives the upper driven shaft and the lower driven shaft which are meshed with the driving shaft to rotate.

Further, when the upper driven shaft, the driving shaft and the lower driven shaft are in a vertical state, the eccentric wheels on the upper driven shaft, the driving shaft and the lower driven shaft are set to simultaneously droop to the bottom position, the forward rotation angle of the driving shaft eccentric wheel is consistent with the reverse rotation angle of the driven shaft eccentric wheel, and the driving shaft eccentric wheel and the driven shaft eccentric wheel respectively rotate 180 degrees and then simultaneously reach the top position.

Further, the top end of the vibrating box body is provided with a damping air bag, when the eccentric wheel rotates upwards and gradually reaches the top position, the damping air bag gradually tends to the inner wall of the hydraulic impact crusher body, and the damping air bag is extruded and generates reaction force to rebound.

The utility model discloses following beneficial effect has: simple structure, strong durability, low maintenance difficulty, low production cost, large crushing force, high precision, low noise and strong crushing capability.

Drawings

Fig. 1 is a schematic structural diagram of the vibration box of the hydraulic impact crusher of the present invention.

Fig. 2 is a schematic diagram of the vibrating box eccentric wheel of the present invention rotating to the horizontal state.

Fig. 3 is a schematic position diagram of the vibration box of the hydraulic impact crusher of the present invention in the hydraulic impact crusher.

Detailed Description

The substance of the present invention will be described in further detail with reference to specific examples.

In the figure: 1-damping air bag 2-vibration box body 3-hydraulic pipe 4-vibration box connecting shaft 5-upper driven shaft 6-driving shaft 7-lower driven shaft 8-eccentric wheel 9-swing frame 10-drill rod 11-swing frame connecting shaft 12-excavator connecting hole.

As shown in attached drawing, the vibration box of the hydraulic impact crusher mainly comprises a vibration box body 2, a vibration box connecting shaft 4, a damping air bag 1, a driving shaft 6 and an upper driven shaft 5, lower driven shaft 7, eccentric shaft 8 and hydraulic pressure pipe 3, be equipped with last driven shaft 5 on same axis and coplanar in the vibration case organism 2, driving shaft 6 and lower driven shaft 7, driving shaft 6 is located the centre, go up driven shaft 5, all install eccentric wheel 8 and gear on driving shaft 6 and the lower driven shaft 7, driving shaft 6 gear respectively with last driven shaft 5, lower driven shaft 7 meshing, be furnished with the driving motor on the driving shaft 6, the driving motor accessible hydraulic pressure pipe 3 corresponds with excavator hydraulic system and is connected, vibration case 6 top is shock attenuation gasbag 10, the end can be connected with drill rod 2 of hydraulic shock breaker, vibration case organism 1 is articulated with the thousand years frame 9 of hydraulic shock breaker through vibration case connecting axle 4. The gear include driving gear, last driven gear and driven gear down, and the gear diameter is the same, driving gear, last driven gear and driven gear down install respectively on driving shaft 6, last driven shaft 5 and driven shaft 7 down. The driving motor drives the driving shaft 6 to rotate under the control of a hydraulic system of the excavator, and indirectly drives the upper driven shaft 5 and the lower driven shaft 7 which are meshed with the driving shaft 6 to rotate. When the upper driven shaft 5, the driving shaft 6 and the lower driven shaft 7 are in a vertical state, the eccentric wheels 8 on the upper driven shaft 5, the driving shaft 6 and the lower driven shaft 7 are set to simultaneously droop to the bottom position, the positive rotation angle of the driving shaft eccentric wheel 8 is consistent with the reverse rotation angle of the driven shaft eccentric wheel 8, and the driving shaft eccentric wheel 8 and the driven shaft eccentric wheel respectively rotate 180 degrees and then simultaneously reach the top position. The top end of the vibrating box body 2 is provided with a damping air bag 1, when the eccentric wheel 8 rotates upwards and gradually reaches the top position, the damping air bag 1 gradually tends to the inner wall of the hydraulic impact crusher body at the same time, and the damping air bag 1 is extruded and generates reaction force to rebound. The utility model discloses hydraulic pressure strikes breaker vibrating bin corresponds hydraulic pressure pipe 3 earlier when using with excavator hydraulic system and is connected, start the excavator, driving motor drives driving shaft 6 and gear revolve, the last driven shaft 5 that corresponds this moment and lower driven shaft 7 and the reverse follow-up of gear, corresponding eccentric wheel 8 is respectively positive and negative to rotating around the axle, in a cycle, no matter positive and negative rotation eccentric wheel 8 can both arrive top and bottom simultaneously, realize vibrating bin organism 2's up-and-down motion under the injecing of hinge, thereby drive the up-and-down motion of drill rod 10. Through practical use tests of nearly 3 years, the beneficial effects of strong durability, large crushing force, high precision, low noise and high crushing efficiency are achieved.

Claims

1. The utility model provides a hydraulic shock breaker vibration case, the essential element includes vibration case organism, vibration case connecting axle, shock attenuation gasbag, driving shaft, driven shaft, eccentric shaft and hydraulic pressure pipe, its characterized in that: be equipped with last driven shaft (5) on same axis and coplanar in vibration case organism (2), driving shaft (6) and driven shaft (7) down, driving shaft (6) are located the centre, go up driven shaft (5), all install eccentric wheel (8) and gear on driving shaft (6) and driven shaft (7) down, driving shaft (6) gear respectively with last driven shaft (5), driven shaft (7) meshing down, be furnished with the CD-ROM drive motor on driving shaft (6), CD-ROM drive motor accessible hydraulic pressure pipe (3) correspond with excavator hydraulic system and are connected, vibration case organism (2) top is shock attenuation gasbag (1), the end can be connected with drill rod (10) of hydraulic shock breaker, vibration case organism (2) are articulated with thousand years frame (9) of hydraulic shock breaker through vibration case connecting axle (4).

2. The hydraulic impact breaker vibratory box of claim 1 wherein: the gear include driving gear, last driven gear and driven gear down, and the gear diameter is the same, driving gear, last driven gear and driven gear down install respectively on driving shaft (6), last driven shaft (5) and driven shaft (7) down.

3. The hydraulic impact breaker vibratory box of claim 1 or 2, wherein: the driving motor drives the driving shaft (6) to rotate under the control of a hydraulic system of the excavator, and indirectly drives the upper driven shaft (5) and the lower driven shaft (7) which are meshed with the driving shaft (6) to rotate.

4. A hydraulic impact breaker vibratory box according to claim 1, 2 or 3 wherein: when the upper driven shaft (5), the driving shaft (6) and the lower driven shaft (7) are in a vertical state, the eccentric wheels (8) on the upper driven shaft (5), the driving shaft (6) and the lower driven shaft (7) are set to simultaneously droop to the bottom position, the forward rotation angle of the driving shaft eccentric wheel (8) is consistent with the reverse rotation angle of the driven shaft eccentric wheel (8), and the driving shaft eccentric wheel and the driven shaft eccentric wheel rotate 180 degrees respectively and then simultaneously reach the top position.

5. The hydraulic impact breaker vibratory box of claim 1 wherein: vibration-damping air bag (1) is on vibration-damping box organism (2) top, when eccentric wheel (8) upwards rotate and arrive the top position gradually shock-damping air bag (1) tend to hydraulic shock breaker organism inner wall gradually simultaneously, shock-damping air bag (1) are extrudeed and produce the reaction force and kick-back.