CN103464248B - A kind of upper lid opening/closing device and impact breaker thereof with defencive function - Google Patents
A kind of upper lid opening/closing device and impact breaker thereof with defencive function Download PDFInfo
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- CN103464248B CN103464248B CN201310449402.5A CN201310449402A CN103464248B CN 103464248 B CN103464248 B CN 103464248B CN 201310449402 A CN201310449402 A CN 201310449402A CN 103464248 B CN103464248 B CN 103464248B
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Abstract
The present invention relates to a kind of opening gear of upper cover and the impact breaker thereof with defencive function, opening gear of upper cover comprises hydraulic cylinder, feed screw apparatus and stop, hydraulic cylinder two ends be connected to body and on cover, hydraulic cylinder comprises piston rod and cylinder body, the stiff end of stop connects on the piston rod, the positive stop end of stop is positioned at the top of cylinder body, feed screw apparatus is between hydraulic cylinder and stop, feed screw apparatus comprises polished rod, nut and screw rod, the first end of polished rod is connected with cylinder body, second end of polished rod is connected with the first end of nut, second end of nut is connected with the first end of screw rod, second end of screw rod is connected with piston rod.Opening gear of upper cover provided by the invention is mainly used in the upper cover opening impact breaker, main purpose conveniently opens upper cover, when keeping in repair impact breaker inside, can shorten maintenance cycle, make maintenance work more simple and convenient, can production cost be saved simultaneously.
Description
Technical field
The present invention relates to engineering machinery field, be specifically related to a kind ofly to there is the opening gear of upper cover of defencive function and comprise the impact breaker of this opening gear of upper cover.
Background technology
Impact breaker is a kind of crushing mechanism utilizing impact energy to carry out broken material, when impact breaker works, under the drive of motor, rotor high-speed rotates, when material enters bar active region, fragmentation is clashed into epitrochanterian bar, after thrown to again on counterattack device again broken, then bounce back into bar active region from beating lining plate again again broken, this process repeats, until material is crushed to desired particle size, discharged by discharging opening; Spacing between adjustment beating lining plate and rotor can reach the object changing material discharging-material size and material shapes.Screw rod with reverse thread refers to that the hand of spiral at screw rod two ends is contrary, and the hand of spiral of the nut that screw rod two ends coordinate is also contrary, and when turning screw rod, two ends two nut does move toward one another, and namely the spacing of two nuts can increase or reduce.
Core component and the consumable accessory of impact breaker are all arranged on internal body, when needs keep in repair and change beating lining plate and bar to rotor and front and back counterpunch board, all need to open upper cover, if upper cover can not normally be opened or open inconvenience, all will directly affect the maintenance of impact breaker, cause maintenance cycle long, this can reduce production efficiency greatly.
As shown in Figure 1, 2, the impact breaker of prior art comprises fuselage 1a, upper cover 2a and leading screw 3a, simple by leading screw 3a unlatching upper cover 2a, leading screw 3a comprises the screw rod of a band reverse thread, two ends are combined with the contrary nut of hand of spiral, by twisting the change that nut can realize leading screw length to different directions, thus realize the opening and closing of upper cover.
There is a lot of drawback in the mode being opened and closed upper cover by leading screw, leading screw is the power resources of upper cover action, only has the screw synchronous action on upper cover both sides, could realize the normal opening and closing of upper cover; If both sides leading screw can not synchronization action, upper cover will be caused to be out of shape, even can to damage upper cover; The process turning leading screw is process manually, and the leading screw on both sides needs two people to turn leading screw at the same rate in theory, and normally could open and close upper cover, this process wastes time and energy, and increases labour intensity, reduces efficiency; When needs open and close upper cover, both sides leading screw is difficult to ensure unanimously, easily to cause upper cover to damage to the active force that upper cover produces, and uses leading screw to open and close upper cover inefficiency.
Summary of the invention
The object of the invention is to propose a kind ofly to have the opening gear of upper cover of defencive function and comprise the impact breaker of this opening gear of upper cover, this opening gear of upper cover efficiently solves the problems referred to above, and structure is simple, easy to operate.
For achieving the above object, the invention provides following technical scheme:
A kind of opening gear of upper cover with defencive function, opening gear of upper cover comprises hydraulic cylinder, feed screw apparatus and stop, hydraulic cylinder two ends be connected to body and on cover, hydraulic cylinder comprises piston rod and cylinder body, the stiff end of stop connects on the piston rod, the positive stop end of stop is positioned at the top of cylinder body, feed screw apparatus is between hydraulic cylinder and stop, feed screw apparatus comprises polished rod, nut and screw rod, the first end of polished rod is connected with cylinder body, second end of polished rod is connected with the first end of nut, second end of nut is connected with the first end of screw rod, second end of screw rod is connected with piston rod, when upper cover is closed, the pretightning force be threaded connection between the nut of feed screw apparatus and screw rod ensure that the closed condition of upper cover, when upper cover is opened, stop carries out spacing to upper cover position, in upper cover opening and closing process, upper cover action provides power by hydraulic cylinder.
In one preferably or alternatively embodiment, by hinge on the piston rod, the stiff end of stop can rotate around hinge in company with while piston rod movement the stiff end of stop.
In one preferably or alternatively embodiment, cylinder body is provided with positive stop, the first end of polished rod is connected with positive stop, and the positive stop end of stop is provided with stopper slot, and positive stop can be stuck in stopper slot thus to make stop carry out spacing to upper cover and piston rod.
In one preferably or alternatively embodiment, feed screw apparatus also comprises nut block, nut has two stage steps through hole, the internal diameter of first order step through-hole is less than the internal diameter of second level step through-hole, nut block is arranged between the second end of polished rod and nut, nut block is arranged on step through-hole inside, the second level and is positioned at the junction of first order step through-hole and second level step through-hole, and nut block and polished rod are rigidly connected.
In one preferably or alternatively embodiment, nut block and polished rod are welded to connect.
In one preferably or alternatively embodiment, between the second end of polished rod and the first end of screw rod, there is spacing.
Present invention also offers following technical scheme:
A kind of impact breaker, impact breaker comprises upper cover, fuselage and opening gear of upper cover as above, top cap is connected on fuselage, a pair opening gear of upper cover is separately positioned between the biside plate of upper cover and the biside plate of fuselage, and the hydraulic cylinder two ends of opening gear of upper cover are connected on the side plate of fuselage and the side plate of upper cover.
In one preferably or alternatively embodiment, the bottom of upper cover by hinge on the bottom of fuselage.
Based on the arbitrary technical scheme in technique scheme, the embodiment of the present invention at least can produce following technique effect:
Due to opening gear of upper cover provided by the present invention, comprise hydraulic cylinder, feed screw apparatus and stop, be mainly used in the upper cover opening, close impact breaker, main purpose is convenient unlatching, closes upper cover, when keeping in repair impact breaker inside, can maintenance time be saved, make maintenance work more simple and convenient, can production cost be saved simultaneously; Opened by hydraulic cylinder, close upper cover, can ensure that upper cover both sides are unanimously stressed, prevent stressed grade the in both sides and cause upper cover to be out of shape or even damage; The combination of hydraulic cylinder, feed screw apparatus and stop, avoids hydraulic cylinder working long hours when upper cover attonity, effectively saves production cost.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation that the upper cover of the impact breaker of prior art is closed;
Fig. 2 is the structural representation that the upper cover of the impact breaker of prior art is opened;
Fig. 3 is the structural representation that the upper cover of impact breaker of the present invention is closed;
Fig. 4 be impact breaker of the present invention upper cover close time, opening gear of upper cover longitudinal sectional drawing;
Fig. 5 is the longitudinal sectional drawing that the nut of feed screw apparatus of the present invention tightens screw rod;
Fig. 6 is the longitudinal sectional drawing that the nut of feed screw apparatus of the present invention is totally released screw rod;
Fig. 7 be impact breaker of the present invention upper cover open time, feed screw apparatus longitudinal sectional drawing;
Fig. 8 be impact breaker of the present invention upper cover open time, opening gear of upper cover longitudinal sectional drawing.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present invention and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characteristic in the present embodiment and any technical scheme all do not limit the scope of the invention, protection scope of the present invention should comprise those skilled in the art and not pay the thinkable any alternate embodiments of creative work.
Hereafter convenient in order to describe, hereinafter alleged "left", "right", " on ", left and right, the upper and lower of D score and accompanying drawing itself is to consistent.
As shown in Figure 4, a kind of opening gear of upper cover 11 with defencive function, opening gear of upper cover 11 comprises hydraulic cylinder 12, feed screw apparatus and stop 13, hydraulic cylinder two ends be connected to body and on cover, hydraulic cylinder 12 comprises piston rod 14 and cylinder body 15, the stiff end of stop 13 is connected on piston rod 14, the positive stop end of stop 13 is positioned at the top of cylinder body 15, feed screw apparatus is between hydraulic cylinder 12 and stop 13, feed screw apparatus comprises polished rod 16, nut 17 and screw rod 18, the first end of polished rod 16 is connected with cylinder body 15 and can with cylinder body synchronizing moving, second end of polished rod 16 is connected with the first end of nut 17, second end of nut 17 is connected with the first end of screw rod 18, second end of screw rod 18 is connected with piston rod 14 and can with piston rod synchronizing moving.
When impact breaker normally works (upper cover closedown), the pretightning force be threaded connection between the nut of feed screw apparatus and screw rod ensure that the closed condition of upper cover, and now hydraulic cylinder and stop do not work; When impact breaker maintenance process (upper cover unlatching), stop carries out spacing to upper cover position, ensure that the opening of upper cover, and now hydraulic cylinder and feed screw apparatus do not work; In upper cover opening and closing process, upper cover action provides power by hydraulic cylinder, and in this process, feed screw apparatus and stop do not work.
The stiff end of stop connects on the piston rod, and the positive stop end of stop is positioned at the top of cylinder body, and when piston rod stretches out certain length, stop can automatically to its mechanical position limitation, stretching out and retracting action of limited piston bar.
The stiff end of stop 13 is by hinge on piston rod 14, and the stiff end of stop 13 can rotate around hinge in company with while piston rod 14 movement.
Cylinder body 15 is provided with positive stop 19, the first end of polished rod 16 is connected with positive stop 19, the positive stop end of stop 13 is provided with stopper slot 20, and positive stop 19 can be stuck in stopper slot 20 li thus make stop carry out spacing to upper cover and piston rod.
Stop can also adopt conventional means of the prior art to carry out, and the present invention no longer launches to describe.
As Fig. 5, 6, shown in 7, feed screw apparatus also comprises nut block 21, nut 17 has two stage steps through hole, the internal diameter of first order step through-hole is less than the internal diameter of second level step through-hole, nut block 21 is arranged between the second end of polished rod 16 and nut 17, nut block 21 is arranged on step through-hole inside, the second level and is positioned at the junction of first order step through-hole and second level step through-hole, nut block 21 and polished rod 16 are rigidly connected thus limit the scope of activities of nut, namely nut can only move to the first end of polished rod, nut block can not be crossed move to the second end of polished rod.
Nut and screw rod are the screw thread cooperatively interacted, and nut and screw rod are tightened, and can replace the tightening force of hydraulic cylinder, prevent impact breaker upper cover from opening.When upper cover opened by needs, can loosen nut, in the process of loosen nut, nut can move along polished rod to the first end of polished rod.Figure 6 shows that nut is totally released the state of screw rod, after nut is totally released screw rod, hydraulic cylinder just can work, and drives upper cover to open.As shown in Figure 7,8, after upper cover is opened completely, hydraulic cylinder can quit work, and stop carries out mechanical position limitation to upper cover, ensures the opening of upper cover.When the closed upper cover of needs, stop is lifted, hydraulic cylinder works, drive upper cover to close.Fig. 4,5 is depicted as state when piston rod is return completely, due to piston rod return completely time, spacing is had between second end of polished rod and the first end of screw rod, destroy so can not produce polished rod, nut and screw rod in the piston rod process of returning, after returning completely Deng hydraulic cylinder, be screwed on screw rod by nut again, now hydraulic cylinder can off-load.In impact breaker course of normal operation, upper cover is closure state, if hydraulic cylinder is always in running order will inevitably increase production cost, just can be addressed this problem well, save production cost to greatest extent by this opening gear of upper cover.
Nut and polished rod can also adopt conventional means of the prior art to be fixed, screw is such as set on nut and polished rod, adopts screw and screw to fix, when nut tightens screw rod, screw is fixed on polished rod through screw, nut, when nut needs to unclamp screw rod, screw takes out from screw, nut is not fixed on polished rod.
Nut block 21 and polished rod 16 are welded to connect.
As shown in Figure 3, a kind of impact breaker, impact breaker comprises upper cover 22, fuselage 23 and opening gear of upper cover as above 11, upper cover 22 is connected on fuselage 23, a pair opening gear of upper cover 11 is separately positioned between the biside plate of upper cover 22 and the biside plate of fuselage 23, and hydraulic cylinder 12 two ends of opening gear of upper cover 11 are connected on the side plate of fuselage 23 and the side plate of upper cover 22.
Because upper cover open frequency is not very frequent, hydraulic cylinder only does work when upper cover action, for the action of upper cover provides power, need to hydraulic cylinder off-load when upper cover attonity, and to reduce energy dissipation.Upper cover needs the action simultaneously of both sides hydraulic cylinders when opening, prevent because both sides action is inconsistent and cause the damage of upper cover.Hydraulic cylinder, feed screw apparatus and stop combine by the application, the unlatching of upper cover is facilitated by hydraulic cylinder, shorten maintenance cycle, reduce maintenance load, achieve both sides amount of force and speed synchronous when upper cover is opened simultaneously, after upper cover is closed, the pretightning force be threaded connection between the nut of feed screw apparatus and screw rod can replace hydraulic cylinder power, upper cover is made to be closed up tightly on fuselage, after upper cover is opened, stop replaces hydraulic cylinder power to ensure the opening of upper cover, avoids hydraulic cylinder and to work long hours the waste brought, reduce production cost.
The upper end of the cylinder body of the hydraulic cylinder of opening gear of upper cover can be connected on the side plate of upper cover, and the lower end of the piston rod of hydraulic cylinder can be connected on the side plate of fuselage; The lower end of the cylinder body of the hydraulic cylinder of opening gear of upper cover also can be connected on the side plate of fuselage, and the upper end of the piston rod of hydraulic cylinder also can be connected on the side plate of upper cover.
The bottom of upper cover 22 is hinged on the bottom of fuselage 23 by bearing pin 24.
The other parts of impact breaker can with reference to prior art, and the present invention no longer launches to describe.
Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the present invention just discloses component values to illustrate technical scheme of the present invention, and the above-mentioned numerical value enumerated should not form the restriction to the invention protection domain.
Simultaneously, if the invention described above discloses or relate to parts or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use casting technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in the invention described above for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts provided by the invention both can be assembled by multiple independent part, and also can be one of the forming manufacture technics separate part out.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (7)
1. a upper lid opening/closing device, it is characterized in that: described upper lid opening/closing device comprises hydraulic cylinder, feed screw apparatus and stop, hydraulic cylinder two ends be connected to body and on cover, hydraulic cylinder comprises piston rod and cylinder body, the stiff end of stop connects on the piston rod, the positive stop end of stop is positioned at the top of cylinder body, feed screw apparatus is between hydraulic cylinder and stop, feed screw apparatus comprises polished rod, nut and screw rod, the first end of polished rod is connected with cylinder body, second end of polished rod is connected with the first end of nut, second end of nut is connected with the first end of screw rod, second end of screw rod is connected with piston rod, when upper cover is closed, the pretightning force be threaded connection between the nut of feed screw apparatus and screw rod ensure that the closed condition of upper cover, when upper cover is opened, stop carries out spacing to upper cover position, in upper cover opening and closing process, upper cover action provides power by hydraulic cylinder, wherein, spacing is had between the second end of polished rod and the first end of screw rod.
2. upper lid opening/closing device according to claim 1, is characterized in that: by hinge on the piston rod, the stiff end of stop can rotate around hinge in company with while piston rod movement the stiff end of stop.
3. upper lid opening/closing device according to claim 2, it is characterized in that: cylinder body is provided with positive stop, the first end of polished rod is connected with positive stop, the positive stop end of stop is provided with stopper slot, and positive stop can be stuck in stopper slot thus to make stop carry out spacing to upper cover and piston rod.
4. upper lid opening/closing device according to claim 1, it is characterized in that: described feed screw apparatus also comprises nut block, nut has two stage steps through hole, the internal diameter of first order step through-hole is less than the internal diameter of second level step through-hole, nut block is arranged between the second end of polished rod and nut, nut block is arranged on step through-hole inside, the second level and is positioned at the junction of first order step through-hole and second level step through-hole, and nut block and polished rod are rigidly connected.
5. upper lid opening/closing device according to claim 4, is characterized in that: nut block and polished rod are welded to connect.
6. an impact breaker, it is characterized in that: described impact breaker comprises the upper lid opening/closing device described in upper cover, fuselage and any one of claim 1-5, top cap is connected on fuselage, on a pair, lid opening/closing device is separately positioned between the biside plate of upper cover and the biside plate of fuselage, and the hydraulic cylinder two ends of described upper lid opening/closing device are connected on the side plate of fuselage and the side plate of upper cover.
7. impact breaker according to claim 6, is characterized in that: the bottom of upper cover by hinge on the bottom of fuselage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310449402.5A CN103464248B (en) | 2013-09-27 | 2013-09-27 | A kind of upper lid opening/closing device and impact breaker thereof with defencive function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310449402.5A CN103464248B (en) | 2013-09-27 | 2013-09-27 | A kind of upper lid opening/closing device and impact breaker thereof with defencive function |
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| Publication Number | Publication Date |
|---|---|
| CN103464248A CN103464248A (en) | 2013-12-25 |
| CN103464248B true CN103464248B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310449402.5A Active CN103464248B (en) | 2013-09-27 | 2013-09-27 | A kind of upper lid opening/closing device and impact breaker thereof with defencive function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5775609A (en) * | 1996-03-13 | 1998-07-07 | W. S. Tyler, Incorporated | Horizontal impact crusher having hydraulic cover latch |
| CN201189475Y (en) * | 2008-04-17 | 2009-02-04 | 上海建设路桥机械设备有限公司 | Rear box-lid switching mechanism for high power type impact breaker |
| CN202741203U (en) * | 2012-08-31 | 2013-02-20 | 上海世邦机器有限公司 | Flat open type impact crusher rack |
| CN203044116U (en) * | 2012-11-28 | 2013-07-10 | 贵州成智重工科技有限公司 | Cap opening device of vertical shaft type crusher |
| CN203565141U (en) * | 2013-09-27 | 2014-04-30 | 徐州徐工施维英机械有限公司 | Upper cover opening device with protection function and impact crusher of upper cover opening device |
-
2013
- 2013-09-27 CN CN201310449402.5A patent/CN103464248B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5775609A (en) * | 1996-03-13 | 1998-07-07 | W. S. Tyler, Incorporated | Horizontal impact crusher having hydraulic cover latch |
| CN201189475Y (en) * | 2008-04-17 | 2009-02-04 | 上海建设路桥机械设备有限公司 | Rear box-lid switching mechanism for high power type impact breaker |
| CN202741203U (en) * | 2012-08-31 | 2013-02-20 | 上海世邦机器有限公司 | Flat open type impact crusher rack |
| CN203044116U (en) * | 2012-11-28 | 2013-07-10 | 贵州成智重工科技有限公司 | Cap opening device of vertical shaft type crusher |
| CN203565141U (en) * | 2013-09-27 | 2014-04-30 | 徐州徐工施维英机械有限公司 | Upper cover opening device with protection function and impact crusher of upper cover opening device |
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| Publication number | Publication date |
|---|---|
| CN103464248A (en) | 2013-12-25 |
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Effective date of registration: 20200509 Address after: 221004 Jiangsu city of Xuzhou province Xuzhou economic and Technological Development Zone of High Road No. 39 Patentee after: XUZHOU XCMG MINING MACHINERY Co.,Ltd. Address before: 221004 No. 29, Peach Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee before: XUZHOU XCMG SCHWING MACHINERY Co.,Ltd. |