CN100534623C - Hydraulic pressure protecting device without power of a crusher - Google Patents
Hydraulic pressure protecting device without power of a crusher Download PDFInfo
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- CN100534623C CN100534623C CNB2007100683037A CN200710068303A CN100534623C CN 100534623 C CN100534623 C CN 100534623C CN B2007100683037 A CNB2007100683037 A CN B2007100683037A CN 200710068303 A CN200710068303 A CN 200710068303A CN 100534623 C CN100534623 C CN 100534623C
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Abstract
The unpowered hydraulic protector for crusher includes one upper base, one lower base, one piston plate between the upper base and the lower base to form a cavity A and a cavity B, one pre-fastening sealing seat with butterfly spring for opening and closing the cavity A and the cavity B, one non-return valve on the piston plate for communicating the cavity A and the cavity B, and one helical spring in the cavity A. The present invention has the advantages of low running cost and less maintenance operations.
Description
Technical field
The present invention relates to the crushing mechanism in fields such as mine, metallurgy, mainly is a kind of hydraulic pressure protecting device without power of disintegrating machine.
Background technology
General in the market jaw crusher, in order to prevent the excess load fragmentation, the Global Macros machine has all designed a block protection plate and has been commonly called as the S plate, and its advantage is easy to manufacture, low price, but damage easily.
In the process of producing baffle: because of the difference of technology in raw-material performance difference, the casting, heat treated minor alteration all can make baffle have a greatly reduced quality.The baffle intensity that casting is come out has surpassed designing requirement, and the machine of integral body is not produced protection.The baffle intensity that casting is come out does not reach designing requirement, just very fast fracture of baffle.
Is two fracture in three days in many production departments at the baffle of design critical point, not only increased considerably broken production cost, and is to have brought the reduction and the service worker workload of the loss of time, work efficiency significantly to increase to changing baffle.The part service worker is arranged in order to reduce the replacing workload of baffle, also once artificial strengthens to baffle, and the result is that complete machine has been subjected to destruction.
Produced card machine phenomenon in shattering process, when the material that promptly needs to be broken dropped in the crusher chamber, machine can not rotate, and the material that is broken can not take out again, can only will not have broken material to take out with the method that burning torch destroys baffle.
Therefore how the practical protection system to disintegrating machine effectively puts into the melting pot, thereby accomplishes that protective device free of losses or few loss carry out accurate protection to disintegrating machine, is mechanical industry in the problem of inquiring into research always.
Summary of the invention
The present invention will solve above-mentioned existing shortcoming, and a kind of hydraulic pressure protecting device without power of disintegrating machine is provided, and the protective device of disintegrating machine is carried out once brand-new replacing, thereby disintegrating machine is carried out better protection.
The present invention solves the technical scheme that its technical problem adopts.The hydraulic pressure protecting device without power of this disintegrating machine; mainly comprise top base and bottom base, be divided into A chamber and B chamber by piston plate between top base and the bottom base, and rely on the pretension seal receptacle; with the butterfly spring that is installed on the pretension seal receptacle, open or close the passage in A chamber and B chamber.Piston plate is provided with the check valve that is used to be communicated with A chamber and B chamber; A has helical spring in the chamber, and helical spring one end is pressed on the piston plate end face, and the other end is pressed on the diapire in A chamber; Have the piston plate hole that is used to be communicated with A chamber and B chamber on the piston plate, pretension seal receptacle one end that is arranged in the piston plate is pressed on the piston plate hole, be set with butterfly spring on the pretension seal receptacle, butterfly spring one end is pressed on the end face of pretension seal receptacle, and the other end is pressed on the interior diapire of top base.
Described check valve mainly comprises steel ball, compression spring, hex nut, nut and holding screw, has the stairstepping slotted eye in the check valve, and compression spring one end in the stairstepping slotted eye is pressed on the steel ball, and the other end is pressed on the holding screw.Can certainly adopt the check valve of other types.
Described butterfly spring one end is pressed on the end face of pretension seal receptacle, and the other end is pressed on the interior diapire of top base by adjusting pad.And, adjust the pretension strength of butterfly spring by thickness change to adjusting pad.
Fixedly connected elbow seat and the elbow axle that is connected with moving jaw that be useful on the described bottom base.
The outer wall of described top base is provided with the oil filler point bolt.
Described piston plate side and top base cooperation place are provided with the O RunddichtringO.
Locking round nut has been threaded on the external diameter of described piston plate.
The effect that the present invention is useful is: this device is according to the incompressible principle of liquid; the overload that relies on disintegrating machine to produce in fragmentation is a power; make the hydraulic means action; thereby machine has been produced protective effect; after overload power is eliminated; hydraulic means relies on the elastic force of internal helicoid spring to restore automatically, continues the effect of execute protection.The hydraulic means of this protection system; except the first time manufacturing cost be higher than conventional baffle; but its prolonged and repeated use cost will be well below baffle; and the operating cost of bringing thus descends; the results such as work that reduced service worker show that this is a kind of relatively more novel, rational protection system.
Description of drawings
Fig. 1 is the main TV structure schematic diagram before the motion state of the present invention;
Fig. 2 is the main TV structure schematic diagram after the motion state of the present invention;
Fig. 3 is that the master of check valve part of the present invention looks the structure for amplifying schematic diagram;
Reference numeral: top base 1, adjusting pad 2, piston plate 3, piston plate hole 3-1, pretension seal receptacle 4, butterfly spring 5, check valve 6, helical spring 7, bottom base 8, A chamber 9, B chamber 10, elbow seat 11, elbow axle 12, locking round nut 13, O RunddichtringO 14, oil filler point bolt 15, steel ball 16, compression spring 17, hex nut 18, nut 19, holding screw 20.
The specific embodiment
The present invention is further detailed explanation below in conjunction with drawings and Examples.
As depicted in figs. 1 and 2, the hydraulic pressure protecting device without power of this disintegrating machine mainly comprises top base 1 and bottom base 8, and the upper surface of top base 1 is used for being connected with frame, fixedly connected elbow seat 11 and the elbow axle 12 that is connected with moving jaw that be useful on the bottom base 8.Be divided into A chamber 9 and B chamber 10 by piston plate 3 between top base 1 and the bottom base 8, the outer wall of top base 1 is provided with oil filler point bolt 15.Piston plate 3 is provided with the check valve 6 that is used to be communicated with A chamber 9 and B chamber 10, and helical spring 7 is arranged in the A chamber 9, and helical spring 7 one ends are pressed on piston plate 3 end faces, and the other end is pressed on the diapire in A chamber 9; Have the piston plate hole 3-1 that is used to be communicated with A chamber 9 and B chamber 10 on the piston plate 3, pretension seal receptacle 4 one ends that are arranged in the piston plate 3 are pressed on the piston plate hole 3-1, be set with butterfly spring 5 on the pretension seal receptacle 4, butterfly spring 5 one ends are pressed on the end face of pretension seal receptacle 4, and the other end is pressed on the interior diapire of top base 1 by adjusting pad 2.Described piston plate 3 sides and top base 1 cooperation place are provided with O RunddichtringO 14, and locking round nut 13 has been threaded on the external diameter of piston plate 3.
Described check valve 6 mainly comprises steel ball 16, compression spring 17, hex nut 18, nut 19 and holding screw 20, have the stairstepping slotted eye in the check valve 6, compression spring 17 1 ends in the stairstepping slotted eye are pressed on the steel ball 16, and the other end is pressed on the holding screw 20.
Operation principle: in the A chamber of device, fill with hydraulic oil.
1, be subjected to the time spent of doing of excess load P power when top base 1, top base 1 is passed to piston plate 3 with excess load P power, and piston plate 3 is by planar piston, to the hydraulic oil generation pressure in A chamber.
2, when the pressure that produces surpasses predetermined design and requires, pressure is by the piston plate hole 3-1 of piston plate 3, with the active force of hydraulic oil on pretension seal receptacle 4.Thereby make the disk spring 5 that is tightly packed on the pretension seal receptacle 4 through precompressed produce up compressed action, make on the pretension seal receptacle 4 and move.
3, (as the pretension seal receptacle 4 after moving on Fig. 2, opened passage for A chamber and B chamber fast, made the hydraulic oil in A chamber leak into the B chamber rapidly.Top base 1, piston plate 3 etc. are moved down immediately.Thereby complete machine is protected.
If 4 P power further act on the top base 1, top base 1, piston plate 3 are further moved down, as long as the height in A chamber can be confirmed general 10 ~ 30mm according to the guard space of each specification impulse stroke of equipment.
5, after excess load P power was eliminated, butterfly spring 5 reset to original pretension position, the passage of closing A chamber and B chamber rapidly.The A chamber produces negative pressure under the effect of garden post helical spring 7, enter the hydraulic oil in B chamber, turns back to the A chamber that produces negative pressure by check valve 6, thereby protective device is resetted comprehensively.Wait for next protection.
Wherein butterfly spring 5 is according to the actual breaking capacity of the disintegrating machine of each specification; tight through calculating the butterfly spring of selecting varying strength and carrying out precompressed, its pre-pressing force is: (area of the stressed ÷ piston plate 3 of protective device peak load) * A chamber hydraulic oil acts on the area on the pretension seal receptacle 4.And helical spring also needs certain pretension to install in installation, as long as the pretightning force of its spring can overcome the frictional resistance of piston plate, makes hydraulic means after overload is removed, and the hydraulic oil that makes the A chamber produce negative pressure relief B chamber flows to the A chamber through check valve.
When card machine phenomenon has appearred in disintegrating machine, as previously described: when the material that promptly needs to be broken dropped in the crusher chamber, machine can not rotate, the material that is broken can not take out again, only the hydraulic oil in hydraulic means A chamber need be emitted, after the distance in change A chamber, can will not have broken material to take out.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (7)
1, a kind of hydraulic pressure protecting device without power of disintegrating machine, mainly comprise top base (1) and bottom base (8), it is characterized in that: be divided into A chamber (9) and B chamber (10) by piston plate (3) between top base (1) and the bottom base (8), piston plate (3) is provided with the check valve (6) that is used to be communicated with A chamber (9) and B chamber (10); Helical spring (7) is arranged in the A chamber (9), and helical spring (7) one ends are pressed on piston plate (3) end face, and the other end is pressed on the diapire of A chamber (9); Have the piston plate hole (3-1) that is used to be communicated with A chamber (9) and B chamber (10) on the piston plate (3), pretension seal receptacle (4) one ends that are arranged in the piston plate (3) are pressed on the piston plate hole (3-1), be set with butterfly spring (5) on the pretension seal receptacle (4), butterfly spring (5) one ends are pressed on the end face of pretension seal receptacle (4), and the other end is pressed on the interior diapire of top base (1).
2, the hydraulic pressure protecting device without power of disintegrating machine according to claim 1; it is characterized in that: described check valve (6) mainly comprises steel ball (16), compression spring (17), hex nut (18), nut (19) and holding screw (20); check valve has the stairstepping slotted eye in (6); compression spring (17) one ends in the stairstepping slotted eye are pressed on the steel ball (16), and the other end is pressed on the holding screw (20).
3, the hydraulic pressure protecting device without power of disintegrating machine according to claim 1 is characterized in that: described butterfly spring (5) one ends are pressed on the end face of pretension seal receptacle (4), and the other end is pressed on the interior diapire of top base (1) by adjusting pad (2).
4, the hydraulic pressure protecting device without power of disintegrating machine according to claim 1 is characterized in that: described bottom base (8) is gone up fixedly connected elbow seat (11) and the elbow axle (12) that is connected with moving jaw that be useful on.
5, the hydraulic pressure protecting device without power of disintegrating machine according to claim 1 is characterized in that: the outer wall of described top base (1) is provided with oil filler point bolt (15).
6, the hydraulic pressure protecting device without power of disintegrating machine according to claim 1 is characterized in that: described piston plate (3) side and top base (1) cooperation place are provided with O RunddichtringO (14).
7, according to the hydraulic pressure protecting device without power of claim 1 or 6 described disintegrating machines, it is characterized in that: locking round nut (13) has been threaded on the external diameter of described piston plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100683037A CN100534623C (en) | 2007-04-23 | 2007-04-23 | Hydraulic pressure protecting device without power of a crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100683037A CN100534623C (en) | 2007-04-23 | 2007-04-23 | Hydraulic pressure protecting device without power of a crusher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101032701A CN101032701A (en) | 2007-09-12 |
| CN100534623C true CN100534623C (en) | 2009-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100683037A Expired - Fee Related CN100534623C (en) | 2007-04-23 | 2007-04-23 | Hydraulic pressure protecting device without power of a crusher |
Country Status (1)
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| CN (1) | CN100534623C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770183A (en) * | 2021-05-20 | 2021-12-10 | 上海攀枝花机械制造有限公司 | Self-locking spring clamping mechanism |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB762626A (en) * | 1953-07-02 | 1956-11-28 | Westfalia Dinnendahl | Improvements in devices for the yielding support of machine parts |
| GB915529A (en) * | 1958-09-13 | 1963-01-16 | Margot Von Linsingen | A device for crushing aggregates |
| GB1040924A (en) * | 1961-10-02 | 1966-09-01 | Robey & Co Ltd | Improvements relating to crushers for stone, coal, ore and other solid materials |
| GB1043065A (en) * | 1965-03-17 | 1966-09-21 | Schwermaschb E Thalmann Veb | Pendulum swing crusher |
| GB1296841A (en) * | 1969-06-16 | 1972-11-22 | ||
| CN2253249Y (en) * | 1996-02-14 | 1997-04-30 | 洛阳矿山机械工程设计研究院 | Hydraulic protector for compound pendulum jaw crusher |
| CN1652874A (en) * | 2002-04-12 | 2005-08-10 | Bl帕格森有限公司 | Jaw crusher with a hydraulic cylinder overload arrangement |
| US20060202075A1 (en) * | 2005-03-14 | 2006-09-14 | Cedarapids, Inc. | Jaw-type rock crusher with toggle plate tension bar |
| JP2006247603A (en) * | 2005-03-14 | 2006-09-21 | Hitachi Constr Mach Co Ltd | Self-propelled crusher and its overload-protection arrangement |
-
2007
- 2007-04-23 CN CNB2007100683037A patent/CN100534623C/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB762626A (en) * | 1953-07-02 | 1956-11-28 | Westfalia Dinnendahl | Improvements in devices for the yielding support of machine parts |
| GB915529A (en) * | 1958-09-13 | 1963-01-16 | Margot Von Linsingen | A device for crushing aggregates |
| GB1040924A (en) * | 1961-10-02 | 1966-09-01 | Robey & Co Ltd | Improvements relating to crushers for stone, coal, ore and other solid materials |
| GB1043065A (en) * | 1965-03-17 | 1966-09-21 | Schwermaschb E Thalmann Veb | Pendulum swing crusher |
| GB1296841A (en) * | 1969-06-16 | 1972-11-22 | ||
| CN2253249Y (en) * | 1996-02-14 | 1997-04-30 | 洛阳矿山机械工程设计研究院 | Hydraulic protector for compound pendulum jaw crusher |
| CN1652874A (en) * | 2002-04-12 | 2005-08-10 | Bl帕格森有限公司 | Jaw crusher with a hydraulic cylinder overload arrangement |
| US20060202075A1 (en) * | 2005-03-14 | 2006-09-14 | Cedarapids, Inc. | Jaw-type rock crusher with toggle plate tension bar |
| JP2006247603A (en) * | 2005-03-14 | 2006-09-21 | Hitachi Constr Mach Co Ltd | Self-propelled crusher and its overload-protection arrangement |
Non-Patent Citations (9)
| Title |
|---|
| PEY液压保护颚式破碎机. 刘大华等.矿山机械，第7期. 1997 |
| PEY液压保护颚式破碎机. 刘大华等.矿山机械，第7期. 1997 * |
| 圆锥破碎机过载保护***的优化设计. 韩存仓等.矿山机械，第33卷第7期. 2005 |
| 圆锥破碎机过载保护***的优化设计. 韩存仓等.矿山机械，第33卷第7期. 2005 * |
| 颚式破碎机常用的几种过载保护装置. 石延平.化工矿山技术，第22卷第1期. |
| 颚式破碎机常用的几种过载保护装置. 石延平.化工矿山技术，第22卷第1期. * |
| 颚式破碎机液压过载保护初步研究. 李登伶.矿冶，第7卷第1期. 1998 |
| 颚式破碎机的过载保护. 朱俊利.矿冶，第9卷第4期. 2000 |
| 颚式破碎机的过载保护. 朱俊利.矿冶，第9卷第4期. 2000 * |
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| Publication number | Publication date |
|---|---|
| CN101032701A (en) | 2007-09-12 |
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Granted publication date: 20090902 Termination date: 20130423 |