CN104370004B

CN104370004B - Hopper thrust vibrator

Info

Publication number: CN104370004B
Application number: CN201410593265.7A
Authority: CN
Inventors: 赵东楼; 肖杰; 赵东好
Original assignee: ANHUI KANGDI ELECTRIC POWER SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: ANHUI KANGDI ELECTRIC POWER SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2014-10-30
Filing date: 2014-10-30
Publication date: 2017-11-21
Anticipated expiration: 2034-10-30
Also published as: CN104370004A

Abstract

The present invention relates to solid granular material conveying dredging field, especially a kind of material hopper thrust vibrator, including the sleeve being sheathed on cylinder, barrel forward end is installed with end plate and is connected with hopper, the termination of the piston rod of cylinder mobile and impact shock end plate between end plate and cylinder, the piston rod of cylinder is implemented to beat action to sleeve blind end, the reaction force of the blind end of sleeve is finally all acted on sleeve, impact force is all gathered on sleeve, vibration caused by sleeve interlocks the outer wall vibrations of hopper, the resonance effect of the two is notable, the Oscillation Amplitude of hopper outer wall can be improved, and piston rod and strike note caused by blind end in sleeve in reverberating, the noise diffused out is significantly reduced.

Description

Hopper thrust vibrator

Technical field

The present invention relates to solid granular material conveying dredging field, especially a kind of material hopper thrust vibrator.

Background technology

The most table structure of the hopper of feed is the infundibulate of vertical laying at present, and the upper end of hopper is charging aperture, lower end For discharging opening, lower end discharging is arranged on the top of the conveyer belt of batcher, when material is fed to hopper from top to bottom, by material On the gravity fall of itself to the conveyer belt of batcher, so as to be sent in boiler, because hopper is mostly up big and down small Taper Pipe Shape structure, when material more flows downward, flow area is smaller, frictional force and extruding between material and headwall, material and material Power is increasing；When material particles are small, ash is big, high humidity, stickiness are big, material and the mobility in hopper are excessively poor, pass through Often meeting blockage phenomenon, material, which once blocks, can have a strong impact on equipment safety.

It is entitled filed in applicant 2013 year 2 month 13 days：Hopper bin wall rapping pneumatic hammer（The patent No.： 201310052306.7）Application in, the cylinder body for recording cylinder is fixedly installed on support, and pass through bracket realize and hopper Fixation, the pneumatic hammer of cylinder piston rod end is when implementing to beat action to hopper outer wall, when cylinder bears the reaction force of hopper, The component of a part is acted at the link position of bracket and support and hopper, and another part component straight down and acts on branch On frame, the reaction force that cylinder is born causes support and bracket with being easy to sealing-off phenomenon, cylinder occur at hopper link position Fixation is not firm enough between hopper outer wall, implements to hopper outer wall when beating action, the vibrating effect of hopper is not obvious enough.

The content of the invention

, can when implementing to hopper outer wall hammering action it is an object of the invention to provide a kind of hopper thrust vibrator Improve the vibrating effect of hopper.

To realize object above, the technical solution adopted by the present invention is：A kind of hopper thrust vibrator, including it is sheathed on gas Sleeve on cylinder, barrel forward end are installed with end plate and are connected with hopper, and the termination of the piston rod of cylinder is moved between end plate and cylinder Dynamic and impact shock end plate.

Compared with prior art, there is following technique effect in the present invention：Cylinder is arranged in sleeve, the piston rod of cylinder Implement the impact to barrel forward end end plate and beat action, the end plate reaction force of sleeve is finally all acted on sleeve, will hit Play power aggregation to be all gathered on sleeve, vibration caused by sleeve interlocks the outer wall vibrations of hopper, and the resonance effect of the two is notable, can Improve the Oscillation Amplitude of hopper outer wall, and piston rod and strike note caused by end plate be in sleeve in reverberating, the noise diffused out It is significantly reduced.

Brief description of the drawings

Fig. 1 is the structural representation when present invention coordinates with hopper outer wall；

Fig. 2 is the sectional view of the present invention；

Fig. 3 and Fig. 4 is the structural representation of two kinds of embodiments of the invention；

Fig. 5 is the sectional view of embodiment one in the present invention.

Embodiment

With reference to accompanying drawing, the invention will be further described.

A kind of hopper thrust vibrator, including the sleeve 20 being sheathed on cylinder 10, barrel forward end be installed with end plate 21 with Hopper 90 is connected, and the termination of the piston rod 11 of cylinder 10 is moved between end plate 21 and cylinder 10 and impact shock end plate 21.Such as Shown in Fig. 2, described cylinder 10 is provided with left air admission hole 101 and right air admission hole 102.

Cylinder 10 is arranged in sleeve 20, the impact that the piston rod 11 of cylinder 10 is implemented to the front end end plate 21 of sleeve 20 is hit Work is moved, the reaction force of end plate 21 of sleeve 20 is finally all acted on sleeve 20, and impact force is all gathered in sleeve 20 On, vibration caused by sleeve 20 interlocks the outer wall vibrations of hopper, and the resonance effect of the two is notable, can improve the vibration of the outer wall of hopper 90 Amplitude, and piston rod 11 reverberates with strike note caused by end plate 21 in sleeve 20, and the noise diffused out is significantly reduced, should Hammer force caused by vibrator piston rod 11 on implementing is acted on the sleeve 20 of itself, and the resonance effect of sleeve 20 is extremely bright Aobvious, the section that the section of the sleeve 20 is not merely defined to the polygons such as circle, rectangle certainly is also feasible.Described work The diameter of stopper rod 11 is more smaller than piston diameter, first, can ensure to obtain enough weight and impact momentum, produces larger power, Second, thinner piston rod is avoided to be easily broken off.

As the preferred scheme of the present invention, the plate face of described end plate 21 extends to the periphery from the port of sleeve 20, institute The outer plate surface for the end plate 21 stated is the curved being coincide with hopper outer wall, described end plate 21 and the outer wall at the port of sleeve 20 Between stiffener plate 22 is set, the thickness of end plate 21 designs thicker as far as possible, on the one hand improves the structural strength of itself, on the other hand Improve hammering when resonance effect, end plate 21 by welding or with the integrally formed mode in the end of sleeve 20, due to cylinder 10 It is very big to hammer the dynamics of end plate 21, end plate 21 is easy to phenomenon of rupture occur with sleeve 20, and can be carried by stiffener plate 22 The fixed degree of high end plate 21 and sleeve pipe 20, improve the service life of sleeve 20.

Further, described sleeve 20 is that circular tube shaped and its tail end set plug 23, plug 23 for it is discoid and with set Cylinder 20 forms detachable immovable fitting, and plug 23 is connected with the rear end of the cylinder body 12 of cylinder 10, in practical set, cylinder 10 After the end of cylinder body 12 is connected with plug 23, it then will be postponed and be inserted in sleeve 20 by the piston rod 11 of cylinder 10, so Plug 23 and sleeve 20 are fastenedly connected afterwards.

Further, the front end of 10 cylinder body of cylinder 12 is provided with support disk 30, supports the external diameter and sleeve of disk 30 20 interior caliber is consistent setting, and support disk 30 plays the support to the cylinder body 12 of cylinder 10, causes the piston of cylinder 10 as far as possible Bar 12 is parallel with the pipe range direction of sleeve 20, and for cylinder 10 when implementing to 21 hammering action of end plate, support disk 30 can be true all the time The hammering force direction of keep-alive stopper rod 12 is vertical with the plate face of end plate 21, to avoid the piston rod 11 of cylinder 10 from the situation of deflection occur, The support disk 30 can ensure that cylinder 30 implements the hammer effect to end plate 21.

As one of embodiments of the invention, and most preferred embodiment, the periphery of the plug 23 sets some spills to lack Mouthfuls 231, be provided with the projection 24 of arrangement corresponding with concave indentation 231 at the tail end internal wall of pipe orifice of sleeve 20, concave indentation 231 with it is convex Block 24 facilitates in the mouth of pipe of 23 insertion sleeve of plug 20 when aliging, and rotation plug 23 makes concave indentation 231 be misplaced the time limit with projection 24 Plug 23 processed is removed from sleeve 20, and the end face of projection 24 now is bonded with the end face of plug 23, when cylinder 10 acts and implements During to the hammering action of end plate 21, the reaction force acts of end plate 21 are on projection 24, and projection 24 is by reaction force acts in stifled On first 23 end face, the reaction force class acts on the faying face of the two completely, so as to mitigate end plate 21 to the full extent Reaction force causes the wear phenomenon to sleeve 20 and plug 23.The disk edge opening position of the support disk 30 is provided with and projection The breach 31 of 24 corresponding arrangements, breach 31 from cylinder 10 to the disk edge for during the grafting of sleeve 20, supporting disk 30 can with it is convex Block 24, which is formed, to be avoided.

As above-described embodiment further preferred scheme, back-up ring 234 is provided with the card of the plug 23, it is described The tail end of sleeve 20, which is provided with, is covered with end cap 26, and through hole 261 is provided with the end cap 26, and the back-up ring 234 is enclosed where core The card of plug 23 on correspondingly offer threaded connection hole 233, reality assembling process in, cylinder 10 and plug 23 are assembled After, fill in sleeve 20 so that the concave indentation 231 on plug 23 is corresponding with projection 24, and plug 23 is rotated, so After assembling, it is connected by turnbuckle 27 by through hole 261 and with the threaded connection hole 233 on plug 23, and screw tension Bolt 27 so that the outer plate surface of plug 23 is close to the inner side end of projection 24, and so design can be by cylinder 10 and the jail of plug 23 Jail is fixed in sleeve 20, with reference to Fig. 3 and Fig. 5.

As another embodiment of the present invention, the periphery of the plug 23 sets some pin-and-holes 231 ', the tail of sleeve 20 The screwed hole 22 ' of arrangement corresponding with pin-and-hole 231 ' is provided with end pipe mouth outer wall, is set between the screwed hole 22 ' and pin-and-hole 231 ' Threaded 40 is equipped with, the thread segment of threaded 40 is connected with screwed hole 22 ', and its plunger end coordinates with pin-and-hole 231 ', using radially The threaded 40 that direction is set implements being fastenedly connected to sleeve 20 and plug 23, when cylinder 10 is implemented to the hammering action of end plate 21 When, end plate 21 is eventually acted on to the reaction force of cylinder 10 at the link position of threaded 40 and pin-and-hole 231 ', that is, Say that threaded 40 bears larger reaction force in itself, and utilize the screwed hole 22 ' of the thread segment and sleeve 20 of threaded 40 to match somebody with somebody Close so that the termination of threaded 40 coordinates with pin-and-hole 231 ', and when threaded 40 is bent, threaded 40 is easy for can be with Extract out of pin-and-hole 231 ', the threaded connection section coordinated with screwed hole 22 ' is shorter, also easily by threaded 40 from screwed hole 22 ' On disassemble.

The described rear end of 10 cylinder body of cylinder 12 is provided with hinge hole 121, and parallel interval is set in the card of described plug 23 Two support plates 232 are equipped with, through hole is correspondingly arranged on two support plates 232, jointed shaft has been placed between the through hole and hinge hole 121 50, that is to say, that to be articulated and connected between the cylinder body 12 and plug 23 of cylinder 10, so may be such that so that cylinder 10 bears counter make When firmly, it is avoided due to being rigidly connected, in the anti-work that piston rod 12 is born in the swing state that small distance is presented in sleeve 20 When firmly horizontal by existing angle, make the cylinder body 11 of cylinder 10 with there is serious wear phenomenon at the link position of end cap 21.

Solenoid directional control valve 60 is fixed with the outer wall of described sleeve 20, the solenoid directional control valve 60 commutates for two-bit triplet Valve and air inlet connects with source of the gas, a gas outlet of solenoid directional control valve 60 pass through pipeline, left air admission hole 101 and the cylinder body of cylinder 10 12 rodless cavity room connection, another gas outlet are connected by pipeline with the air inlet of fast-discharge valve 70, and the intake and exhaust ports of fast-discharge valve 70 is led to The rod chamber room that right air admission hole 102 is crossed with the cylinder body 12 of cylinder 10 connects, the exhaust outlet and atmosphere of fast-discharge valve 70.When cylinder 10 Rodless cavity air inlet when, quickly the gas in the rod chamber of cylinder 10 can be discharged, and then may be such that by fast-discharge valve 70 Pressure in rod cavity is less than the pressure of rodless cavity, and then may be such that piston rod 11 obtains larger impact in shorter distance and added Speed, so as to increase the impact force to end plate 21.Described solenoid directional control valve 60, fast-discharge valve 70 are placed in shell 91.

To control the opening speed of piston rod 11, the piston rod 11 of cylinder 10 is avoided to hit the cylinder tail of cylinder body 12 and sleeve 20 Portion, choke valve 80 is set between the other end gas outlet of described solenoid directional control valve 60 and the air inlet of fast-discharge valve 70, can be passed through Set choke valve 80 to control the opening speed of piston rod 11 on the backhaul supply air line of cylinder 10, and then reduce piston rod 11 and return The dynamics that journey is hit.

Claims

A kind of 1. hopper thrust vibrator, it is characterised in that：Including being sheathed on cylinder（10）On sleeve（20）, barrel forward end is solid Provided with end plate（21）It is connected with hopper, cylinder（10）Piston rod（11）Termination in end plate（21）And cylinder（10）Between move And impact shock end plate（21）；Described sleeve（20）For circular tube shaped and its tail end, plug is set（23）, plug（23）For disk Shape and and sleeve（20）Form detachable immovable fitting, plug（23）With cylinder（10）Cylinder body（12）Rear end connection.
2. hopper thrust vibrator according to claim 1, it is characterised in that：Described end plate（21）Plate face from sleeve （20）Port at extend to the periphery, described end plate（21）Outer plate surface be with hopper outer wall coincide curved, it is described End plate（21）With sleeve（20）Port at outer wall between stiffener plate is set（22）.
3. hopper thrust vibrator according to claim 1, it is characterised in that：The cylinder（10）Cylinder body（12）Front end is set It is equipped with support disk（30）, support disk（30）External diameter and sleeve（20）Interior caliber be consistent setting.
4. hopper thrust vibrator according to claim 3, it is characterised in that：The plug（23）Periphery set it is some Concave indentation（231）, sleeve（20）It is provided with tail end internal wall of pipe orifice and concave indentation（231）The projection of corresponding arrangement（24）, The support disk（30）Disk edge opening position be provided with and projection（24）The breach of corresponding arrangement（31）.
5. hopper thrust vibrator according to claim 1, it is characterised in that：The plug（23）Periphery set it is some Pin-and-hole（231’）, sleeve（20）It is provided with tail end mouth of pipe outer wall and pin-and-hole（231’）The screwed hole of corresponding arrangement（22’）, it is described Screwed hole（22’）With pin-and-hole（231’）Between be provided with threaded（40）, threaded（40）Thread segment and screwed hole（22’）Even Connect, its plunger end and pin-and-hole（231’）Coordinate.
6. hopper thrust vibrator according to claim 4, it is characterised in that：The plug（23）Card on be provided with Back-up ring（234）, described sleeve（20）Tail end be provided with end cap（26）, the end cap（26）On be provided with through hole（261）, institute State back-up ring（234）The plug enclosed where core（23）Threaded connection hole is correspondingly offered in card（233）, turnbuckle（27）Pass through Through hole（261）And and threaded connection hole（233）Connection.
7. the hopper thrust vibrator according to claim 4 or 5, it is characterised in that：Described cylinder（10）Cylinder body（12） Rear end is provided with hinge hole（121）, described plug（23）Card on parallel interval be provided with two support plates（232）, two support plates （232）On be correspondingly arranged on through hole, the through hole and hinge hole（121）Between placed jointed shaft（50）.
8. hopper thrust vibrator according to claim 1, it is characterised in that：Described sleeve（20）Outer wall on it is fixed There is solenoid directional control valve（60）, the solenoid directional control valve（60）Connected for two-bit triplet reversal valve and air inlet with source of the gas, electromagnetism changes To valve（60）A gas outlet pass through pipeline and cylinder（10）Cylinder body（12）Rodless cavity room connection, another gas outlet passes through pipe Road and fast-discharge valve（70）Air inlet connection, fast-discharge valve（70）Intake and exhaust ports and cylinder（10）Cylinder body（12）Rod chamber room connect It is logical, fast-discharge valve（70）Exhaust outlet and atmosphere.
9. hopper thrust vibrator according to claim 8, it is characterised in that：Described solenoid directional control valve（60）It is another Bring out gas port and fast-discharge valve（70）Air inlet between choke valve is set（80）.