EP3595815A1 - Mâchoire de concasseur pivotante et concasseur à mâchoires - Google Patents

Mâchoire de concasseur pivotante et concasseur à mâchoires

Info

Publication number
EP3595815A1
EP3595815A1 EP18711316.2A EP18711316A EP3595815A1 EP 3595815 A1 EP3595815 A1 EP 3595815A1 EP 18711316 A EP18711316 A EP 18711316A EP 3595815 A1 EP3595815 A1 EP 3595815A1
Authority
EP
European Patent Office
Prior art keywords
crushing
rocker
jaw
hollow body
body structure
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.)
Granted
Application number
EP18711316.2A
Other languages
German (de)
English (en)
Other versions
EP3595815B1 (fr
Inventor
Piotr SZCZELINA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp AG
ThyssenKrupp Industrial Solutions AG
Original Assignee
ThyssenKrupp AG
ThyssenKrupp Industrial Solutions AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ThyssenKrupp AG, ThyssenKrupp Industrial Solutions AG filed Critical ThyssenKrupp AG
Publication of EP3595815A1 publication Critical patent/EP3595815A1/fr
Application granted granted Critical
Publication of EP3595815B1 publication Critical patent/EP3595815B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 crushers as they are known for example from DE 196 31 023 AI, usually have a first and a second crushing jaw, wherein a crushing jaw is usually stationary and the other is designed as a vibrating crushing jaw. They are used for crushing hard to very hard materials, such as basalt or granite. From the material strength result in correspondingly high loads in the jaw crusher, which act in particular on the crushing rocker. To withstand the stresses, the crushing rocker is usually performed as a closed cast iron box, wherein from the casting view in the box a plurality of holes are provided to position the casting cores and hold. However, these holes have been found in the crushing process due to the large forces and stresses that occur as a weak point that lead to damage to the breaker arm.
  • the invention is therefore based on the object to design a crushing rocker, in which the stresses occurring in the crushing rocker are reduced.
  • the crushing rocker according to the invention of a jaw crusher has a receptacle provided in an upper part of the crushing rocker for vibrationally supporting the crushing rocker on the jaw crusher and a support region for supporting the crushing rocker arranged in a lower part of the crushing rocker, wherein the rocker has a hollow body structure for stiffening, wherein the hollow body structure in a longitudinal section of the crushing rocker of a variety of Stiffening elements, which have along their main axis of extension all have a common point of intersection.
  • the shape of the stiffening elements leading to a common point of intersection resembles the shape of a node of a branching of a tree, so that one can speak of a "bionic breaker swing.”
  • Stiffening elements converging to a common intersection need less mass than a waffle pattern to distribute the forces and
  • the absence of a front plate and / or rear panel allows for very easy casting of the component.
  • the accessibility of the stiffeners / ribbing can also check the quality (check for voids) of the individual stiffeners well.
  • the accessibility achieved further functions, such as mounting options in split crushing jaws, can be integrated into the support structure.
  • the hollow body structure consists in longitudinal section of four stiffening elements, which are arranged in an X-shape to each other.
  • the design with exactly four stiffening elements enables a component-sparing power flow while at the same time using as little material as possible.
  • the hollow body structure extends from the receptacle to the oscillating mounting of the breaking rocker up to at least the supporting 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 up to side parts.
  • the crushing rocker has a longitudinal center plane which extends perpendicular to the oscillation axis of the crushing rocker, wherein the longitudinal center plane forms a plane of symmetry through the common intersection of the stiffening elements.
  • the common point of intersection is thus arranged centrally and thus enables a good distribution of the resulting forces, moments and stresses.
  • the crushing rocker on a front side for mounting with a crushing jaw, a back and a first and a second side part, wherein the hollow body structure may be formed open on the front and / or back.
  • the invention advantageously relates to a crushing rocker arm with a front side, a rear side and two side parts, wherein the front side is equipped with a crushing jaw.
  • the crushing jaw is supported in a contact region on the hollow body structure, wherein the crushing jaw in this contact region may have a stiffening structure adapted to the hollow body structure, resulting in an optimal dissipation of the forces.
  • the crushing rocker can be designed so that it tapers in a wedge shape in the side view from the receptacle for vibrating mounting of the crushing rocker to the support area, whereby mass is saved in the lower area.
  • an integral with hollow body structure front plate is provided on the front of the crushing rocker. This serves the additional stiffening of the crushing rocker. If such a front panel is provided, the back is preferably formed open, thereby simplifying the production of the crushing rocker.
  • the invention further relates to a jaw crusher for crushing rock material having an inlet for the rock material, an outlet for crushed rock material and a first and second crushing jaw, wherein at least one of the two crushing jaws is designed as a vibrating crushing jaw and the at least one oscillating crushing jaw on a Brechschwinge is attached with the features described above.
  • the other crushing jaw can optionally be formed stationary or swinging.
  • the other crushing jaw is arranged on a stationary support structure, wherein the stationary support structure also has a hollow body structure, which consists in a longitudinal section of a plurality of stiffening elements which all have a common point of intersection along their main extension axis.
  • the hollow body structure of the stationary support structure in longitudinal section of four stiffening elements, which are arranged in an X-shape to each other.
  • FIG. 2a front view of a crushing rocker according to a first
  • FIG. 2b is a rear view of the crushing rocker of FIG.
  • Fig. 2c is a three-dimensional representation of the crushing rocker of FIG.
  • Fig. 3a is a front view of a crushing rocker according to a second
  • FIG. 3b is a rear view of the crushing rocker of FIG. 3a
  • 3c shows a three-dimensional representation of the breaking rocker according to FIG.
  • Fig. 4 is a front view of a crushing rocker according to a third
  • 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 and a first and a second crushing jaws 3, 4.
  • Crushing jaw 3 is designed as a vibrating crushing jaw and is mounted on a crushing rocker 5 for this purpose.
  • the second crushing jaw 4, however, is arranged on a stationary support structure 6.
  • the crushing rocker 5 has in an upper part of a receptacle 7 for vibrating 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 region 9 is provided on which the crushing rocker 5 is supported on a pressure plate 10 in a conventional manner.
  • a tie rod 11 ensures a permanent contact between the pressure plate 10 and crushing arm 5. Between the two crushing jaws 3, 4, a crushing gap is formed
  • this has a hollow body structure 25, which consists of a plurality of stiffening elements 26 in a longitudinal section of the crushing rocker 5, which all have a common, single point of intersection 33 along their main extension axis.
  • the remaining region 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 formed in particular U-shaped in cross section of the crushing rocker 5.
  • the side parts 16, 17 are provided with transverse stiffeners 18, 19.
  • the hollow body structure 25 is bounded by the receptacle 7 for the oscillating mounting of the crushing rocker about an oscillating axis 32. Down the hollow body structure 25 is formed open in this embodiment.
  • the hollow body structure 25 in longitudinal section of four stiffening elements 26, which are arranged in an x-shape to each other.
  • the x-shaped arrangement of the stiffening elements 26 is aligned symmetrically to a perpendicular to the swing axis 32 extending longitudinal center plane 20 of the crushing rocker 5 and thereby provides an optimal shape to derive the forces occurring during the crushing process, moments and thereby minimize the stresses.
  • the hollow body structure is formed open on the front side shown in Fig. 2a and on the back shown in Fig. 2b.
  • a lower clamping bar 22 and upper clamping means 23 are provided on the front of the crushing rocker arm.
  • the rear side of the first crushing jaw in its contact area with the crushing rocker 5 has a stiffening structure (not shown), which is adapted to the hollow body structure 25 of the crushing rocker 5.
  • the second exemplary embodiment shown in FIGS. 3 a to 3 c essentially differs from the first exemplary embodiment according to FIGS. 2 a to 2 c only in that the hollow body structure 25 is covered on the rear side with a rear wall 30, which preferably in turn integrally with the hollow body structure 25 is trained.
  • the hollow body structure is designed to be open on its front side (FIG. 3 a), thereby facilitating the manufacture and subsequent inspection of the breaking rocker 5 by better accessibility.
  • the jaw crusher with two movable crushing rockers are to be formed (not shown), they can be formed according to the above-mentioned embodiments.
  • a crushing jaw is stationary and arranged the other crushing jaw swinging.
  • the second crushing jaw 4 is stationary and is supported on a stationary support structure 6, which for example also has a hollow body structure, which consists in a longitudinal section of the stationary crushing jaw of a plurality of stiffening elements along their main extension axis all a common Have intersection point (not visible in Fig. L).
  • the stationary hollow body structure in longitudinal section of four stiffening elements, which are arranged in an X-shape to each other.
  • the second crushing jaw 4, based on the first crushing jaw 3, can also be provided with a stiffening structure, which is adapted to the hollow body structure 31 of the supporting structure in the area of contact with the supporting structure 6.
  • FIG. 4 a third embodiment of a crushing rocker 5 according to the invention is shown in front view.
  • This crushing rocker 5 has on its front side a front plate 28, which is formed integrally with the hollow body structure 25 according to the first embodiment.
  • the crushing rocker 5 comprises the aforementioned features of the first embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

L'invention concerne une mâchoire de concasseur pivotante (5) d'un concasseur à mâchoires, laquelle présente une cavité (7) ménagée dans une partie supérieure de la mâchoire de concasseur pivotante (5) pour maintenir ladite mâchoire de concasseur pivotante (5) sur le concasseur à mâchoires et une zone d'appui (9) ménagée dans une partie inférieure de la mâchoire de concasseur pivotante (5) et destinée à soutenir la mâchoire de concasseur pivotante (5), ladite mâchoire de concasseur pivotante (5) présente à des fins de renforcement une structure de corps creux (25) qui se compose, en coupe longitudinale, d'éléments de renforcement (26) qui présentent tous un point d'intersection (33) commun le long de leur axe d'extension principal.
EP18711316.2A 2017-03-16 2018-03-14 Mâchoire oscillante et concasseur à mâchoires Active EP3595815B1 (fr)

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 (fr) 2017-03-16 2018-03-14 Mâchoire de concasseur pivotante et concasseur à mâchoires

Publications (2)

Publication Number Publication Date
EP3595815A1 true EP3595815A1 (fr) 2020-01-22
EP3595815B1 EP3595815B1 (fr) 2021-01-13

Family

ID=61655789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18711316.2A Active EP3595815B1 (fr) 2017-03-16 2018-03-14 Mâchoire oscillante et concasseur à mâchoires

Country Status (7)

Country Link
EP (1) EP3595815B1 (fr)
CN (1) CN110418677B (fr)
BR (1) BR112019018094A2 (fr)
DE (1) DE102017204414A1 (fr)
DK (1) DK3595815T3 (fr)
RU (1) RU2019132519A (fr)
WO (1) WO2018167114A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
EP0773065A1 (fr) * 1995-11-10 1997-05-14 Nakayama Iron Works, Ltd. Broyeur à mâchoires
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"
CA2845024C (fr) * 2011-08-18 2018-01-30 Risto Sutti Bielle de broyeur a machoires, broyeur a machoires, installation de broyage et procede de broyage
CN104703701B (zh) * 2012-11-15 2017-03-22 山特维克知识产权股份有限公司 可动颚安装组件
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

Also Published As

Publication number Publication date
RU2019132519A3 (fr) 2021-04-16
WO2018167114A1 (fr) 2018-09-20
BR112019018094A2 (pt) 2020-03-24
RU2019132519A (ru) 2021-04-16
DE102017204414A1 (de) 2018-09-20
DK3595815T3 (da) 2021-04-12
CN110418677B (zh) 2021-08-31
EP3595815B1 (fr) 2021-01-13
CN110418677A (zh) 2019-11-05

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