EP3504005B1 - Concasseur à mâchoires - Google Patents

Concasseur à mâchoires Download PDF

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Publication number
EP3504005B1
EP3504005B1 EP17751060.9A EP17751060A EP3504005B1 EP 3504005 B1 EP3504005 B1 EP 3504005B1 EP 17751060 A EP17751060 A EP 17751060A EP 3504005 B1 EP3504005 B1 EP 3504005B1
Authority
EP
European Patent Office
Prior art keywords
crushing
jaw
clamping element
crusher according
jaw crusher
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
Application number
EP17751060.9A
Other languages
German (de)
English (en)
Other versions
EP3504005A1 (fr
Inventor
Piotr SZCZELINA
Guido Leuschen
Khezr Shariatzadeh
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 EP3504005A1 publication Critical patent/EP3504005A1/fr
Application granted granted Critical
Publication of EP3504005B1 publication Critical patent/EP3504005B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B02C1/04—Jaw crushers or pulverisers with single-acting jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2210/00—Codes relating to different types of disintegrating devices
    • B02C2210/02—Features for generally used wear parts on beaters, knives, rollers, anvils, linings and the like

Definitions

  • the invention relates to a jaw crusher for crushing rock material, in particular hard to very hard and abrasive materials.
  • WO 2005/120711 A1 is a jaw crusher for rubble and the like with two opposing front plates, which are each arranged on a crushing arm.
  • one of the front plates has at least two protruding projections or pegs on its rear side, each of which can engage in a corresponding through opening of the crushing arm.
  • a movable locking bolt element with a locking wedge on the back of the crushing arm which is set up to exert a clamping force in contact with the projection or pin on the latter in order to pull the front plate against the crushing arm and at the same time move the crushing arm, so that the other projection or pin is received in the corresponding through opening.
  • a jaw crusher the clamping element of which is wedge-shaped and is screwed transversely to the crushing jaw in order to apply the clamping force.
  • the invention is therefore based on the object of specifying a new bracing for the crushing jaws, which enables easier disassembly.
  • the jaw crusher according to the invention for comminuting rock material has a first crushing jaw and a second crushing jaw, at least one of the two crushing jaws being held on a crushing arm and the crushing jaw in the longitudinal direction between at least one holding receptacle provided on the crushing rocker and at least one which comes into operative contact with the crushing jaw Clamping element is clamped.
  • the at least one clamping element is guided in a guide which is held on the crushing arm and can be displaced essentially in the longitudinal direction of the crushing jaw.
  • the guidance takes place in the longitudinal direction of the crushing jaw, although an effective direction deviating by +/- 10 ° is also conceivable.
  • the at least one clamping element is in contact with at least one resilient element, the at least one resilient element having a crushing jaw clamped in an effective direction pressing the clamping element against the crushing jaw.
  • the spring-elastic element not only creates the clamping pressure, but also compensates for an operational length expansion of the crushing jaw.
  • the crushing jaw can be pre-stressed by the spring-elastic element.
  • the direction of action of the at least one spring-elastic element is oriented essentially in the longitudinal direction of the crushing jaw. If, for example, two spring-elastic elements are used, these could alternatively also be oriented obliquely to the longitudinal direction of the crushing jaw if the overall direction of action in turn points essentially in the longitudinal direction of the crushing jaw.
  • the tensioning element is preferably wedge-shaped. As a result, the crushing jaw is clamped in the longitudinal direction and pressed against the crushing jaw at the same time.
  • the at least one spring-elastic element can be formed by at least one working cylinder and / or at least one compression spring. It can be provided that the at least one working cylinder and / or the at least one resilient element comes into operative contact with one end with the at least one tensioning element and is supported with an opposite end on an abutment provided on the crushing arm. According to one embodiment of the invention, the at least one spring-elastic element is formed by at least two compression springs arranged parallel to one another and in operative contact with the tensioning element. This ensures clean guidance and prevents the clamping element from tilting.
  • a pulling device connected to the tensioning element can be provided, with which the tensioning element can be displaced counter to the effective direction of the at least one spring-elastic element.
  • This traction device can in particular be formed by a hydraulic or pneumatic traction cylinder.
  • at least one threaded spindle cooperating with a nut is also conceivable as a pulling device.
  • the at least one spring-elastic element is formed by a working cylinder designed as a tension and pressure cylinder and is connected to the wedge-shaped clamping element for displacing the wedge-shaped clamping element in the direction of the crushing jaw as well as in the opposite direction.
  • the crushing jaw held on the crushing arm can be composed of a plurality of partial crushing jaws, which are held one behind the other on the crushing arm in the longitudinal direction of the crushing jaw.
  • several mounting receptacles and several clamping devices are provided on the crushing arm, so that each of the partial crushing jaws in Longitudinal direction between one of the holding receptacles provided on the crushing arm and at least one of the clamping devices coming into active contact with the partial crushing jaw is clamped, each clamping device having at least one clamping element which is guided in a guide which is held on the crushing rock and can be displaced essentially in the longitudinal direction of the crushing jaw.
  • pressure setting means can be provided for setting the pressure force acting on the tensioning element from the at least one spring-elastic element in order to adapt the pressure force to the material to be crushed and the stress on the crushing jaw.
  • 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 jaw 3, 4.
  • the first crushing jaw 3 is designed as a vibrating crushing jaw and is mounted for this purpose on a rocker arm 5.
  • the second crushing jaw 4, however, is arranged on a stationary support structure 6.
  • the crushing arm 5 has in an upper part a receptacle 7 for swinging mounting of the crushing arm on the jaw crusher.
  • the crushing arm is driven in this area by means of an eccentric shaft 8.
  • a support area 9 is provided, on which the crushing arm 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 is formed between the two crushing jaws 3, 4, in which the rock material to be crushed is subjected to pressure stress due to the eccentrically driven first crushing jaw 3.
  • the first crushing jaw 3 is in the longitudinal direction between a mounting receptacle 13 provided on the crushing rocker 5 and at least one with the first Crusher jaw 3 clamped in operative contact clamping device 14.
  • the holder receptacle 13 is formed, for example, by an undercut groove in which the lower, complementary end of the crushing jaw 3 is held.
  • the clamping device 14 has two clamping elements 18 arranged next to one another. In principle, however, only one or more than two clamping elements are conceivable. In the following, only one of the two clamping elements 18 is discussed in more detail.
  • the design in the area of the other clamping element is constructed analogously.
  • Each of the two wedge-shaped clamping elements 18 is guided displaceably in a guide 15 held on the crushing arm essentially in the longitudinal direction of the first crushing jaw 3.
  • the guide 15 is formed here by two U profiles 15a, 15b ( Fig. 4 ).
  • the clamping element 18 is pressed against the jaw 3 by means of a spring-elastic element designed as a working cylinder 16, the working cylinder being supported on an abutment 17.
  • the guide 15 and the abutment 17 are detachably or non-releasably attached to the crushing arm, for example by screwing or in some other way.
  • the working direction of the working cylinder 16 is oriented in the longitudinal direction 3a of the first jaw 3, the working cylinder being acted upon by a pressure medium (in particular oil or air) via a pressure medium connection 19.
  • the pressure medium can be supplied manually or automatically. If necessary, the pressure medium connection 19 is connected to a pressure accumulator, not shown.
  • the first crushing jaw is not only acted upon in the longitudinal direction 3a of the crushing jaw 3, but is also pressed onto the crushing rocker 5 in the transverse direction.
  • the pressure exerted by the working cylinder is dimensioned such that a secure holding of the first crushing jaw on the crushing arm is ensured.
  • a pulling device 20 connected to the clamping element 18 which moves the clamping element 18 against the direction of action of the working cylinder 16.
  • the pulling device is formed here by two threaded spindles 20a, 20b which are fixedly connected to the tensioning element 18 and which cooperate with compression springs 20c, 20d for pulling back the wedge-shaped tensioning element 18.
  • the compression springs are supported on the side of the abutment 17 facing away from the tensioning element 18.
  • the pressure required for retraction is set via nuts 20e, 20f, which are screwed onto the threaded spindles 20a, 20b with washers 20g, 20h.
  • the working cylinder 16 is relieved, so that the prestressed compression springs 20c, 20d cause the tensioning element 18 to be retracted.
  • the compression springs 20c, 20d are relieved.
  • a second embodiment of a jaw crusher is shown, which differs from the first embodiment only in the clamping device 14 '.
  • the same reference symbols are also used below for the same components.
  • the clamping element 18 of the second exemplary embodiment is in turn guided in a guide 15 (U-profiles 15a, 15b) in the longitudinal direction 3a of the first crushing jaw 3.
  • a guide 15 U-profiles 15a, 15b
  • two spring-elastic elements are provided for each clamping element 18, which here are formed by a first and a second compression spring 21a, 21b (in particular disc springs), which have one end on the clamping element 18 and the other end on a shoulder 22a or 22b of two threaded rods 23a, 23b.
  • the pressure exerted by the compression springs 21a, 21b on the tensioning element 18 can be adjusted via nuts 24a, 24b.
  • a pulling device which is formed here by a hydraulic or pneumatic pulling cylinder 25, which is connected to the tensioning element 18 via a rod 26.
  • the tensioning force acting on the tensioning element 18 is determined by the prestressed compression springs 21a, 21b.
  • the pull cylinder is pressurized and pulls the clamping element away from the crushing jaw against the force of the compression springs 21a, 21b.
  • the clamping pressure is built up by the working cylinder 16, while the pulling device is formed by the compression springs 20c, 20d.
  • the working cylinder 16 of the first exemplary embodiment is designed as a double-acting cylinder (hydraulic or pneumatic) so that it can do both the pushing and the pulling work.
  • the lateral threaded spindles with the compression springs 20c, 20d are then unnecessary or essentially only serve to hold the clamping element in the disassembled state of the crushing jaw 3.
  • a third exemplary embodiment of a jaw crusher is shown, which is characterized in that the crushing jaw held on the crushing arm 5 is composed of a plurality of partial crushing jaws 3 a, 3 b, 3 c which are held one behind the other on the crushing arm 5 in the longitudinal direction of the crushing jaw.
  • a plurality of mounting receptacles 13a, 13b, 13c and a plurality of clamping devices 14a, 14b, 14c are provided on the crushing arm 5, so that each of the partial crushing jaws 3a, 3b, 3c in the longitudinal direction between one of the mounting receptacles 13a, 13b, 13c provided on the crushing arm and at least one the clamping devices 14a, 14b, 14c which come into operative contact with the partial crushing jaw 3a, 3b, 3c are clamped, each clamping device 14a, 14b, 14c having at least one clamping element which can be displaced essentially in the longitudinal direction of the crushing jaw in a guide held on the crushing rocker 5 is led.
  • the clamping devices 14a, 14b, 14c can, for example, according to the in the Fig. 1 to Fig. 9 illustrated variants may be formed.
  • the abutments for the clamping devices 14b and 14c can in particular be formed by the mounting receptacles 13a and 13b arranged directly above them.
  • tensioning devices (14, 14 ', 14a, 14b, 14c)
  • All three exemplary embodiments are distinguished by a simple and quick possibility for dismantling the first crushing jaw 3.

Landscapes

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

Claims (13)

  1. Concasseur à mâchoires pour broyer des matériaux pierreux, comprenant une première mâchoire de concassage (3) et une deuxième mâchoire de concassage (4), au moins l'une des deux mâchoires de concassage (3) étant fixée sur une bielle de concassage (5), la mâchoire de concassage étant serrée dans la direction longitudinale entre au moins un logement de fixation (13) prévu au niveau de la bielle de concassage et au moins un élément de serrage (18) venant en contact fonctionnel avec la mâchoire de concassage (3), l'au moins un élément de serrage (18) étant guidé essentiellement dans la direction longitudinale (3a) de la mâchoire de concassage (3) de manière déplaçable dans un guide (15) fixé à la bielle de concassage (5),
    caractérisé en ce que l'au moins un élément de serrage (18) est en contact avec au moins un élément élastique à ressort (16, 21a, 21b), l'au moins un élément élastique à ressort, lorsque la mâchoire de concassage (3) est serrée, ayant une direction d'action pressant l'élément de serrage (18) contre la mâchoire de concassage, et en ce que la direction d'action de l'au moins un élément élastique à ressort (16, 21a, 21b) est orientée dans la direction longitudinale de la mâchoire de concassage.
  2. Concasseur à mâchoires selon la revendication 1, caractérisé en ce que l'au moins un élément de serrage (18) est réalisé en forme de cale.
  3. Concasseur à mâchoires selon la revendication 1 ou 2, caractérisé en ce qu'au moins un élément élastique à ressort est formé par au moins un cylindre de travail (16) et/ou au moins un ressort de compression (21a, 21b).
  4. Concasseur à mâchoires selon l'une quelconque des revendications précédentes, caractérisé en ce que l'au moins un élément élastique à ressort (16, 21a, 21b) vient en contact fonctionnel par une extrémité avec l'au moins un élément de serrage (18) et s'appuie par une extrémité opposée contre une butée (17) prévue sur la bielle de concassage (5) .
  5. Concasseur à mâchoires selon l'une quelconque des revendications précédentes, caractérisé en ce que l'au moins un élément élastique à ressort est formé par au moins deux ressorts de compression (21a, 21b) disposés parallèlement l'un à l'autre et en contact fonctionnel avec l'élément de serrage (18).
  6. Concasseur à mâchoires selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu en outre un dispositif de traction (20, 25) connecté à l'élément de serrage (18), avec lequel l'élément de serrage (18) peut être déplacé dans le sens opposé à la direction d'action de l'au moins un élément élastique à ressort (16, 21a, 21b).
  7. Concasseur à mâchoires selon la revendication 6, caractérisé en ce que le dispositif de traction est formé par un cylindre de traction hydraulique ou pneumatique (25).
  8. Concasseur à mâchoires selon la revendication 7, caractérisé en ce que le cylindre de traction hydraulique ou pneumatique (25) est en liaison avec un accumulateur de pression.
  9. Concasseur à mâchoires selon l'une quelconque des revendications 6 à 8, caractérisé en ce que le dispositif de traction (20) est formé par au moins une broche filetée (20a, 20b) coopérant avec un écrou (20e, 20f).
  10. Concasseur à mâchoires selon l'une quelconque des revendications précédentes, caractérisé en ce que l'au moins un élément élastique à ressort est formé par un cylindre de travail réalisé sous forme de cylindre de traction et de compression et est en liaison avec l'élément de serrage en forme de cale (18) pour déplacer l'élément de serrage en forme de cale dans la direction de la mâchoire de concassage (3) ainsi que dans la direction opposée.
  11. Concasseur à mâchoires selon l'une quelconque des revendications précédentes, caractérisé en ce que des moyens d'ajustement de pression sont prévus pour ajuster la force de pression agissant par l'au moins un élément élastique à ressort sur l'élément de serrage (18).
  12. Concasseur à mâchoires selon l'une quelconque des revendications précédentes, caractérisé en ce que la mâchoire de concassage fixée à la bielle de concassage se compose de plusieurs mâchoires de concassage partielles (3a, 3b, 3c) qui sont fixées les unes derrière les autres dans la direction longitudinale de la mâchoire de concassage à la bielle de concassage.
  13. Concasseur à mâchoires selon la revendication 12, caractérisé en ce que plusieurs logements de fixation (13a, 13b, 13c) et plusieurs dispositifs de serrage (14a, 14b, 14c) sont prévus au niveau de la bielle de concassage, de telle sorte que chacune des mâchoires de concassage partielles (3a, 3b, 3c) soit serrée dans la direction longitudinale entre l'un des logements de fixation (13a, 13b, 13c) prévus au niveau de la bielle de concassage et au moins l'un des dispositifs de serrage (14a, 14b, 14c) venant en contact fonctionnel avec la mâchoire de concassage partielle (3a, 3b, 3c), chaque dispositif de serrage (14a, 14b, 14c) présentant au moins un élément de serrage qui est guidé de manière déplaçable essentiellement dans la direction longitudinale de la mâchoire de concassage dans un guide fixé à la bielle de concassage (5).
EP17751060.9A 2016-08-23 2017-08-01 Concasseur à mâchoires Active EP3504005B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016115585.3A DE102016115585B3 (de) 2016-08-23 2016-08-23 Backenbrecher
PCT/EP2017/069372 WO2018036758A1 (fr) 2016-08-23 2017-08-01 Concasseur à mâchoires

Publications (2)

Publication Number Publication Date
EP3504005A1 EP3504005A1 (fr) 2019-07-03
EP3504005B1 true EP3504005B1 (fr) 2020-05-13

Family

ID=59256161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17751060.9A Active EP3504005B1 (fr) 2016-08-23 2017-08-01 Concasseur à mâchoires

Country Status (6)

Country Link
EP (1) EP3504005B1 (fr)
CN (1) CN109641214B (fr)
BR (1) BR112019003528A2 (fr)
DE (1) DE102016115585B3 (fr)
DK (1) DK3504005T3 (fr)
WO (1) WO2018036758A1 (fr)

Families Citing this family (3)

* 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
CN112403560B (zh) * 2020-10-30 2022-02-01 巴州佳鑫源石油技术服务有限公司 一种自动分类的颚式破碎机及使用方法
CN112808355B (zh) * 2020-12-22 2022-07-29 寿县安固建材有限公司 一种煤矸石砖烧结前处理装置

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FR757223A (fr) * 1933-06-19 1933-12-22 Const Mecaniques Soc D Perfectionnements apportés au montage de la mâchoire fixe dans les broyeurs ou concasseurs à mâchoires
US2816717A (en) * 1956-05-07 1957-12-17 Louis W Johnson Crushing jaws and anvils for rockcrushing machines
US2931585A (en) * 1958-06-30 1960-04-05 Clyde A Butler Rock crusher
GB917743A (en) 1961-03-17 1963-02-06 Pegson Ltd Improvements in jaw crushers
FR2374957A1 (fr) * 1976-12-24 1978-07-21 Fives Cail Babcock Concasseur a machoires
IT1239454B (it) * 1990-03-16 1993-11-02 Loro & Parisini Spa Frantumatore a mascelle
FI103329B (fi) * 1997-12-22 1999-06-15 Metso Minerals Tampere Oy Tapa leukamurskaimen kulutusleuan kiinnittämiseksi ja leukamurskain
ITTO20040393A1 (it) * 2004-06-11 2004-09-11 Ohg Di Ponzano Vene To S P A Macchina frantumatrice a mascelle mobili per pietrisco ed affini
WO2008010072A2 (fr) * 2006-07-17 2008-01-24 Officine Meccaniche Di Ponzano Veneto S.P.A. Concasseur à mâchoires du type mobile pour mœllons et similaires, et procédé de fonctionnement connexe
CN201535173U (zh) * 2009-06-12 2010-07-28 佳木斯大学 一种组合式颚板
CN103567001A (zh) * 2012-07-28 2014-02-12 朱兴良 一种大破碎比颚式破碎机
FI125063B (fi) * 2013-12-05 2015-05-15 Metso Minerals Inc Kiristyselin, kiristyslaite, leukamurskain, mineraalimateriaalin prosessointilaitos ja menetelmä kulutusosan kireyden säätämiseksi
JP6509556B2 (ja) * 2014-12-22 2019-05-08 株式会社アーステクニカ ジョークラッシャ
CN204469775U (zh) * 2015-01-28 2015-07-15 浙江泰正钼业开发有限公司 一种新型颚式破碎机

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Also Published As

Publication number Publication date
BR112019003528A2 (pt) 2019-05-21
DK3504005T3 (da) 2020-08-10
EP3504005A1 (fr) 2019-07-03
CN109641214B (zh) 2021-06-22
WO2018036758A1 (fr) 2018-03-01
CN109641214A (zh) 2019-04-16
DE102016115585B3 (de) 2017-07-20

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