EP3595815B1 - Brechschwinge und backenbrecher - Google Patents
Brechschwinge und backenbrecher Download PDFInfo
- Publication number
- EP3595815B1 EP3595815B1 EP18711316.2A EP18711316A EP3595815B1 EP 3595815 B1 EP3595815 B1 EP 3595815B1 EP 18711316 A EP18711316 A EP 18711316A EP 3595815 B1 EP3595815 B1 EP 3595815B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- jaw
- hollow body
- swing jaw
- body structure
- swing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000463 material Substances 0.000 claims description 14
- 239000011435 rock Substances 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 6
- 238000010276 construction Methods 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 235000012773 waffles Nutrition 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/10—Shape or construction of jaws
Definitions
- the invention relates to a crushing rocker of a jaw crusher and a jaw crusher for crushing rock material.
- Jaw crusher for example from the DE 196 31 023 A1 are known, usually have a first and a second crushing jaw, one crushing jaw is usually stationary and the other is designed as a vibrating crushing jaw. They are used to shred hard to very hard materials such as basalt or granite. The material strength results in correspondingly high loads in the jaw crusher, which act in particular on the crushing arm.
- the crushing rocker In order to withstand the loads, the crushing rocker is usually designed as a closed cast box, with several holes being provided in the box from a casting point of view in order to position and hold the cast cores. However, these holes turned out to be weak points in the crushing process due to the large forces and tensions that occur, which lead to damage to the crushing arm.
- Other examples of crushing wings are in US 2341105 , DE 4108517 , DE 1155662 and WO 2013/024197 disclosed.
- the invention is therefore based on the object of conceiving a crushing rocker in which the stresses occurring in the crushing rocker are reduced.
- the crushing rocker of a jaw crusher has a receptacle provided in an upper part of the crushing rocker for the oscillating mounting of the crushing rocker on the jaw crusher and a support area arranged in a lower part of the crushing rocker for supporting the crushing rocker, the rocker having a hollow body structure for stiffening, the hollow body structure in a longitudinal section of the crushing arm from a large number of There is stiffening elements which all have a common point of intersection along their main axis of extent.
- the shape of the stiffening elements leading to a common point of intersection is similar to the shape of a node in a branch of a tree, so that one can speak of a "bionic crushing arm".
- Stiffening elements tapering towards a common point of intersection require less mass than a waffle pattern in order to distribute the forces and to keep the stresses in a lower range.
- Dispensing with a front panel and / or rear panel also enables the component to be poured very easily.
- the accessibility of the stiffeners / ribs also allows the quality (checking for voids) of the individual stiffeners to be checked.
- additional functions such as fastening options for split crushing jaws, can be integrated into the supporting structure.
- the hollow body structure consists of four stiffening elements in longitudinal section, which are arranged in an x-shape to one another.
- the design with exactly four stiffening elements enables a flow of forces that is gentle on components while using as little material as possible.
- the hollow body structure extends from the receptacle for the oscillating mounting of the crushing rocker to at least the support area.
- the stiffening elements can form triangular cells in the longitudinal section of the hollow body structure, as a result of which the hollow body structure extends as far as side parts.
- the crushing rocker has a longitudinal center plane which extends perpendicular to the axis of oscillation of the crushing rocker, the longitudinal center plane forming a plane of symmetry through the common point of intersection of the stiffening elements.
- the common point of intersection is thus arranged centrally and thus enables a good distribution of the forces, moments and tensions that arise.
- the crushing rocker has a front side for equipping with a crushing jaw, a rear side and a first and a second side part, wherein the hollow body structure can be designed to be open on the front side and / or rear side.
- the invention advantageously relates to a crushing rocker with a front side, a rear side and two side parts, the front side being equipped with a breaking jaw.
- the breaking jaw is supported in a contact area on the hollow body structure, the breaking jaw in this contact area being able to have a stiffening structure adapted to the hollow body structure, which results in an optimal dissipation of the forces.
- the crushing rocker can be designed in such a way that, in the side view, it tapers in a wedge shape from the receptacle for the oscillating mounting of the crushing rocker to the support area, which saves mass in the lower area.
- a front plate formed in one piece with a hollow body structure is provided on the front side of the crushing rocker. This serves to additionally stiffen the crushing arm. Unless such a front panel is provided, the rear side is preferably designed to be open in order to simplify the manufacture of the crushing rocker.
- the invention further relates to a jaw crusher for crushing rock material with an inlet for the rock material, an outlet for crushed rock material and a first and second crushing jaw, at least one of the two crushing jaws being designed as a vibrating crushing jaw and the at least one vibrating crushing jaw on one Break rocker is attached with the features described above.
- the other jaw can either be stationary or oscillating.
- the other crushing jaw is arranged on a stationary support structure, the stationary support structure likewise having a hollow body structure which, in a longitudinal section, consists of a plurality of stiffening elements which all have a common point of intersection along their main axis of extension.
- the hollow body structure of the stationary support structure consists in longitudinal section of four stiffening elements which are arranged in an x-shape to one another.
- Fig. 1 shows a jaw crusher for crushing rock material with an inlet 1 for the rock material, an outlet 2 for crushed rock material as well as a first and a second crushing jaw 3, 4.
- the first crushing jaw 3 is designed as a vibrating crushing jaw and is mounted on a crushing arm 5 for this purpose.
- the second breaking jaw 4, however, is arranged on a stationary support structure 6.
- the crushing rocker 5 has in an upper part a receptacle 7 for the swinging mounting of the crushing rocker 5 on the jaw crusher.
- the crushing rocker 5 is driven in this area by means of an eccentric shaft 8.
- a support area 9 is provided on which the crushing rocker 5 is supported on a pressure plate 10 in a manner known per se.
- a tie rod 11 ensures constant contact between the pressure plate 10 and the crushing rocker 5.
- a crushing gap 12 forms between the two crushing jaws 3, 4, in which the rock material to be crushed is subjected to compressive stress due to the eccentrically driven first crushing jaw 3.
- FIG. 2a to 2c a first embodiment of the crushing rocker 5 explained in more detail.
- a hollow body structure 25 which, in a longitudinal section of the crushing rocker 5, consists of a multiplicity of stiffening elements 26 which all have a common, single point of intersection 33 along their main axis of extension.
- the remaining area of the hollow body structure 25 preferably has triangular recesses 15, so that the hollow body structure 25 extends up to two side parts 16, 17 which laterally delimit the hollow body structure 25.
- the side parts 16, 17 are particularly U-shaped in cross section of the crushing rocker 5.
- the side parts 16, 17 are optionally provided with transverse reinforcements 18, 19.
- the hollow body structure 25 is limited by the receptacle 7 for the swinging mounting of the crushing rocker around a swing axis 32.
- the hollow body structure 25 is designed to be open at the bottom.
- the hollow body structure 25 preferably consists in longitudinal section of four stiffening elements 26 which are arranged in an x-shape to one another.
- the x-shaped arrangement of the stiffening elements 26 is particularly preferably aligned symmetrically to a longitudinal center plane 20 of the crushing rocker 5 extending perpendicular to the pivot axis 32 and thus offers an optimal shape to dissipate the forces and moments occurring during the crushing process and thereby keep the stresses to a minimum.
- the hollow body structure is on the in Fig. 2a front and on the in Figure 2b rear side shown open.
- a first crushing jaw 3 On the crushing rocker 5, a lower clamping bar 22 and upper clamping means 23 (see FIG Fig. 1 ) intended.
- the rear side of the first breaking jaw preferably has a stiffening structure (not shown) in its contact area with the breaking rocker 5, which is adapted to the hollow body structure 25 of the breaking rocker 5.
- Fig. 1 a further preferred feature can be seen, according to which the crushing arm 5 tapers in a wedge shape in the side view from the receptacle 7 for the swinging mounting of the crushing arm to the support area 9, which saves mass in the lower region of the crushing arm.
- the second embodiment shown differs from the first embodiment according to FIG Figures 2a to 2c essentially only in that the hollow body structure 25 is covered on the back with a rear wall 30, which in turn is preferably in one piece with the hollow body structure 25 is trained.
- the hollow body structure is on its front side ( Fig. 3a ), however, designed to be open, whereby the production and the subsequent inspection of the crushing rocker 5 is facilitated by better accessibility.
- the jaw crusher is to be designed with two movable crushing rockers (not shown), these can be designed in accordance with the exemplary embodiments shown above. Usually, however, one crushing jaw is arranged to be stationary and the other crushing jaw is arranged to swing.
- the second crushing jaw 4 is designed to be stationary and is held on a stationary support structure 6, which, for example, also has a hollow body structure which, in a longitudinal section of the stationary crushing jaw, consists of a large number of stiffening elements that all have a common point of intersection along their main axis of extension (not in Fig.1 recognizable).
- the stationary hollow body structure preferably consists in longitudinal section of four stiffening elements which are arranged in an x-shape to one another.
- the second breaking jaw 4 can also be provided with a stiffening structure based on the first breaking jaw 3, which is adapted to the hollow body structure 31 of the supporting structure in the contact area with the supporting structure 6.
- FIG. 4 a third embodiment of a crushing rocker 5 according to the invention is shown in the front view.
- This crushing rocker 5 has on its front side a front plate 28 which is formed in one piece with the hollow body structure 25 according to the first embodiment.
- the crushing rocker 5 comprises the aforementioned features of the first exemplary embodiment.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017204414.4A DE102017204414A1 (de) | 2017-03-16 | 2017-03-16 | Brechschwinge und Backenbrecher |
PCT/EP2018/056326 WO2018167114A1 (de) | 2017-03-16 | 2018-03-14 | Brechschwinge und backenbrecher |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3595815A1 EP3595815A1 (de) | 2020-01-22 |
EP3595815B1 true EP3595815B1 (de) | 2021-01-13 |
Family
ID=61655789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18711316.2A Active EP3595815B1 (de) | 2017-03-16 | 2018-03-14 | Brechschwinge und backenbrecher |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP3595815B1 (pt) |
CN (1) | CN110418677B (pt) |
BR (1) | BR112019018094A2 (pt) |
DE (1) | DE102017204414A1 (pt) |
DK (1) | DK3595815T3 (pt) |
RU (1) | RU2019132519A (pt) |
WO (1) | WO2018167114A1 (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT523357B1 (de) * | 2020-01-13 | 2022-05-15 | Rubble Master Hmh Gmbh | Vorrichtung für einen Brecher |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2341105A (en) * | 1939-03-13 | 1944-02-08 | John R Kueneman | Crusher |
DE1155662B (de) * | 1961-04-29 | 1963-10-10 | Koeppern & Co K G Maschf | Schwinge fuer Backenbrecher |
FR2603130B1 (fr) * | 1986-08-21 | 1988-11-10 | Framatome Sa | Radier pour enceinte de confinement de reacteur nucleaire |
IT1239454B (it) * | 1990-03-16 | 1993-11-02 | Loro & Parisini Spa | Frantumatore a mascelle |
US5725166A (en) * | 1995-11-10 | 1998-03-10 | Nakayama Iron Works, Ltd. | Swing type crusher |
DE19631023C2 (de) | 1996-08-01 | 1998-06-04 | Krupp Foerdertechnik Gmbh | Vorrichtung zum Verstellen des Brechspaltes an Backenbrechern |
CN2312990Y (zh) * | 1997-06-14 | 1999-04-07 | 李岭群 | “ x”型筋剪力梁 |
CN201020374Y (zh) * | 2007-03-07 | 2008-02-13 | 上海建设路桥机械设备有限公司 | 重型液压颚式破碎机的动颚结构 |
ES2387143B1 (es) * | 2010-10-21 | 2013-04-15 | Europea De Construcciones Metalicas, S.A. | "conexion directa entre un tubo y un elemento plano" |
CN103906572B (zh) * | 2011-08-18 | 2015-06-03 | 美特索矿物公司 | 颚式破碎机的连杆、颚式破碎机、破碎装置和破碎方法 |
US20150306601A1 (en) * | 2012-11-15 | 2015-10-29 | Sandvik Intellectual Property Ab | Moveable jaw mounting assembly |
CN103480446B (zh) * | 2013-09-30 | 2015-06-17 | 唐山汇力科技有限公司 | 破碎400℃高温电石用新型颚式破碎机 |
CN204147916U (zh) * | 2014-09-15 | 2015-02-11 | 四川矿山机器(集团)有限责任公司 | 颚式破碎机齿板 |
CN204429371U (zh) * | 2015-01-20 | 2015-07-01 | 杭州费勒韦尔机械有限公司 | 颚式破碎机的颚板 |
CN205329970U (zh) * | 2015-12-31 | 2016-06-22 | 中南大学 | 一种预制混凝土墙板及其构建的带暗框架的墙板结构体系 |
-
2017
- 2017-03-16 DE DE102017204414.4A patent/DE102017204414A1/de active Pending
-
2018
- 2018-03-14 EP EP18711316.2A patent/EP3595815B1/de active Active
- 2018-03-14 WO PCT/EP2018/056326 patent/WO2018167114A1/de unknown
- 2018-03-14 DK DK18711316.2T patent/DK3595815T3/da active
- 2018-03-14 CN CN201880018085.2A patent/CN110418677B/zh active Active
- 2018-03-14 RU RU2019132519A patent/RU2019132519A/ru not_active Application Discontinuation
- 2018-03-14 BR BR112019018094-0A patent/BR112019018094A2/pt not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
CN110418677B (zh) | 2021-08-31 |
EP3595815A1 (de) | 2020-01-22 |
BR112019018094A2 (pt) | 2020-03-24 |
WO2018167114A1 (de) | 2018-09-20 |
RU2019132519A (ru) | 2021-04-16 |
DK3595815T3 (da) | 2021-04-12 |
DE102017204414A1 (de) | 2018-09-20 |
RU2019132519A3 (pt) | 2021-04-16 |
CN110418677A (zh) | 2019-11-05 |
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