CN113351286A - Double-shaft jaw crusher and crushing equipment - Google Patents
Double-shaft jaw crusher and crushing equipment Download PDFInfo
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- CN113351286A CN113351286A CN202110804038.4A CN202110804038A CN113351286A CN 113351286 A CN113351286 A CN 113351286A CN 202110804038 A CN202110804038 A CN 202110804038A CN 113351286 A CN113351286 A CN 113351286A
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- eccentric shaft
- jaw
- shaft
- plate
- jaw crusher
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- 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
Abstract
The application provides a biax jaw crusher and crushing equipment, biax jaw crusher include frame, move jaw unit, bazoo board and actuating mechanism. The jaw moving unit comprises a first eccentric shaft, a second eccentric shaft and a jaw moving plate, the driving mechanism, the first eccentric shaft and the second eccentric shaft are all arranged on the rack, and the jaw moving plate is simultaneously sleeved outside the first eccentric shaft and the second eccentric shaft; the driving mechanism is used for driving the first eccentric shaft and the second eccentric shaft to synchronously rotate in the same direction relative to the rack, so that the movable jaw plate is driven to do circumferential motion. The jaw plate is connected with the frame, and the jaw plate and the movable jaw plate jointly define a crushing cavity and a discharge opening communicated with the crushing cavity. The original upper eccentric motion lower part support of the movable jaw body is changed into the synchronous eccentric motion of the upper part and the lower part, so that the crushing power area is increased, and meanwhile, the eccentric outward rotation of the lower part can also increase the tail blanking width and increase the blanking smoothness.
Description
Technical Field
The invention relates to the field of environment-friendly equipment, in particular to a double-shaft jaw crusher and crushing equipment.
Background
With the development of economy and the progress of society, energy conservation and resource recycling have become inevitable and socially recognized. The capacity of the traditional jaw crusher reaches a certain bottleneck in structure without great breakthrough. The existing jaw crusher drives a movable jaw plate to reciprocate relative to a jaw plate through a driving mechanism, and the movable jaw plate and the jaw plate are matched to realize crushing of materials.
The research shows that the prior jaw crusher has the following defects:
low output, low working efficiency and high cost.
Disclosure of Invention
The invention aims to provide a double-shaft jaw crusher and crushing equipment, which can improve the yield, improve the working efficiency and reduce the cost.
The embodiment of the invention is realized by the following steps:
in a first aspect, the present invention provides a twin shaft jaw crusher comprising:
a frame;
the jaw moving unit comprises a first eccentric shaft, a second eccentric shaft and a jaw moving plate, the first eccentric shaft and the second eccentric shaft are arranged on the rack, and the jaw moving plate is simultaneously sleeved outside the first eccentric shaft and the second eccentric shaft; the first eccentric shaft and the second eccentric shaft can synchronously rotate relative to the frame in the same direction, so that the movable jaw plate is driven to move circumferentially;
and the jaw plate is connected with the frame, and the jaw plate and the movable jaw plate jointly define a crushing cavity and a discharge opening communicated with the crushing cavity.
In an alternative embodiment, the twin-shaft jaw crusher further comprises a drive mechanism for driving the first eccentric shaft and the second eccentric shaft in a synchronous, co-rotating movement relative to the frame.
In an alternative embodiment, the driving mechanism comprises a driver and a transmission assembly, the driver is connected with the frame, the driver is connected with the first eccentric shaft, and the first eccentric shaft is connected with the second eccentric shaft through the transmission assembly; the driver is used for driving the first eccentric shaft to rotate and driving the second eccentric shaft to synchronously rotate in the same direction through the transmission assembly.
In an alternative embodiment, the transmission assembly is provided as a gear transmission, belt transmission or chain transmission.
In an optional embodiment, a driving wheel and a first balance weight wheel are respectively sleeved at two ends of the first eccentric shaft, and a driven wheel and a second balance weight wheel are respectively sleeved at two ends of the second eccentric shaft; the transmission components are provided with two, the driving wheel is in transmission connection with the driven wheel through one of the two transmission components, and the first counterweight wheel and the second counterweight wheel are in transmission connection through the other one of the two transmission components.
In an alternative embodiment, the first eccentric shaft is sleeved with a flywheel, and the flywheel is positioned on one side of the first counterweight wheel far away from the driving wheel.
In an optional embodiment, the jaw unit further comprises a connecting body, the connecting body is provided with a first sleeve hole and a second sleeve hole, the jaw plate is connected with the connecting body, and the first eccentric shaft is inserted into the first sleeve hole and rotatably matched with the connecting body; the second eccentric shaft is inserted in the second sleeving hole and rotatably matched with the connecting body.
In an alternative embodiment, the first socket hole is rotatably engaged with the first eccentric shaft by a first bearing.
In an alternative embodiment, the second socket hole is in rotatable engagement with the first eccentric shaft via a second bearing.
In an alternative embodiment, the frame comprises two oppositely arranged side plates and a fixing piece connected to the two side plates, the first eccentric shaft and the second eccentric shaft are rotatably matched with the two side plates, and the movable jaw plate and the fixed jaw plate are positioned between the two side plates.
In a second aspect, the present invention provides a crushing plant comprising:
a walking device, a power arm and the double-shaft jaw crusher of any one of the preceding embodiments, wherein the power arm is connected with the walking device and the frame is connected with the power arm.
The embodiment of the invention has the beneficial effects that:
in summary, the double-shaft jaw crusher provided by this embodiment adopts the first eccentric shaft and the second eccentric shaft to drive the movable jaw plate to move simultaneously, in other words, the original upper eccentric motion lower part support of the movable jaw body is changed into the upper and lower parts to synchronously do eccentric motion at the same time, so that the crushing power area is increased, and meanwhile, the lower part eccentric rotation outwards can also increase the blanking width at the tail part, and the blanking smoothness is increased. Compared with the existing jaw crusher with the same model, the jaw crusher has the advantages that the yield is greatly improved, and the operation efficiency is improved; in addition, because the crushing power area is increased and the crushing force is enhanced, compared with the crusher with the same model in the prior art, the particle size of the produced material is smaller, the single machine can obtain the material with small particle size by one-time crushing, and the operation efficiency is high; simultaneously, need be equipped with the fine crushing material processing equipment in the rear end with current jaw crusher and just can acquire the small particle size material and compare, the fine crushing material processing equipment in the rear end is directly saved to the biax jaw crusher of this embodiment, reduce cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a twin-shaft jaw crusher according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a rack according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of the frame, the first eccentric shaft and the second eccentric shaft according to the embodiment of the present invention;
figure 4 is a schematic structural view of a jaw plate and connector according to an embodiment of the present invention;
FIG. 5 is a schematic view of a portion of a twin shaft jaw crusher according to an embodiment of the present invention;
fig. 6 is a schematic view of a modified structure of a twin-shaft jaw crusher according to an embodiment of the present invention.
Icon:
100-a frame; 101-a first via; 102-a second via; 103-fixing holes; 110-a first sideboard; 120-a second sideboard; 130-a fixture; 200-movable jaw unit; 210-a first eccentric shaft; 211 — a first connection segment; 212-a second connection segment; 220-a second eccentric shaft; 221-a third connection segment; 222-a fourth connection segment; 230-movable jaw plate; 240-a linker; 241-a first mating hole; 242-second registration hole; 300-jaw plate; 400-a drive mechanism; 410-a transmission assembly; 411-driving wheel; 412-a driven wheel; 413-a first drive belt; 414 — a first counterweight wheel; 415-a second counterweight wheel; 416-a second drive belt; 417-flywheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
At present, jaw crusher includes support body, movable plate, stationary plate, motor and bent axle, and stationary plate fixes on the support body, and on the support body was located to motor and bent axle, the movable plate cup jointed outside the bent axle, the motor drove the reciprocal circumferential motion of movable plate through the bent axle to carry out the breakage with the cooperation of stationary plate. Generally, the crankshaft is connected with the upper part of the movable plate, the lower part of the movable plate is suspended, the lower part has no power and only moves up and down along with the reciprocating motion of the upper part, the crushing power area is small, and the yield is extremely low when the outlet is adjusted to be small. And because the crushing force of the existing crusher is small, the crushing capacity is limited, the jaw crusher is basically used as a head crusher, and the finished product material can be finally produced only by conveying the material to a fine crushing device at the rear end for fine crushing processing after the crushing is finished, so that the efficiency is low and the cost is high.
In view of this, the designer has designed a biax jaw crusher, can increase the crushing power area of movable jaw plate 230, strengthen crushing ability, strengthen the discharge capacity of crusher, and is efficient, with low energy consumption, with low costs.
Referring to fig. 1, in the present embodiment, a twin-shaft jaw crusher includes a frame 100, a jaw unit 200, a jaw plate 300, and a driving mechanism 400. The jaw moving unit 200 comprises a first eccentric shaft 210, a second eccentric shaft 220 and a jaw moving plate 230, the driving mechanism 400, the first eccentric shaft 210 and the second eccentric shaft 220 are all arranged on the rack 100, and the jaw moving plate 230 is simultaneously sleeved outside the first eccentric shaft 210 and the second eccentric shaft 220; the driving mechanism 400 is used for driving the first eccentric shaft 210 and the second eccentric shaft 220 to synchronously rotate in the same direction relative to the frame 100, so as to drive the movable jaw plate 230 to make circumferential movement. The jaw plate 300 is connected to the frame 100 and the jaw plate 300 and the jaw plate 230 together define a crushing chamber and a discharge opening communicating with the crushing chamber.
The biax jaw crusher that this embodiment provided adopts first eccentric shaft 210 and second eccentric shaft 220 to drive simultaneously and makes the jaw plate 230 motion, in other words, will move jaw body movement track and support by original upper portion eccentric motion lower part and change into upper and lower two parts and do eccentric motion simultaneously in step, increases broken power area, and the eccentric outward rotation of lower part still can increase afterbody blanking width simultaneously, increases the unobstructed degree of blanking. Compared with the existing jaw crusher with the same model, the jaw crusher has the advantages that the yield is greatly improved, and the operation efficiency is improved; in addition, because the crushing power area is increased and the crushing force is enhanced, compared with the crusher with the same model in the prior art, the particle size of the produced material is smaller, the single machine can obtain the material with small particle size by one-time crushing, and the operation efficiency is high; simultaneously, need be equipped with the fine crushing material processing equipment in the rear end with current jaw crusher and just can acquire the small particle size material and compare, the fine crushing material processing equipment in the rear end is directly saved to the biax jaw crusher of this embodiment, reduce cost.
Referring to fig. 2, in the present embodiment, optionally, the rack 100 includes a plurality of fixing members 130 and a first side plate 110 and a second side plate 120 that are disposed opposite to each other, and the shape and size of the first side plate 110 and the size of the second side plate 120 may be set to be the same. The first side plate 110 and the second side plate 120 are each provided with a first through hole 101, a second through hole 102, and a plurality of fixing holes 103. The first through hole 101 on the first side plate 110 is coaxial with the first through hole 101 on the second side plate 120, the second through hole 102 on the first side plate 110 is coaxial with the second through hole 102 on the second side plate 120, and the plurality of fixing holes 103 on the first side plate 110 are in one-to-one correspondence with the plurality of fixing holes 103 on the second side plate 120 and are coaxially arranged. The first eccentric shaft 210 can be simultaneously inserted into the first through holes 101 of the first side plate 110 and the second side plate 120, and the second eccentric shaft 220 can be simultaneously inserted into the second through holes 102 of the first side plate 110 and the second side plate 120. The fixing member 130 includes bolts and nuts, both ends of each fixing member 130 are simultaneously inserted into the fixing holes 103 of the first side plate 110 and the second side plate 120, the nut is screwed on the portion of each bolt extending out of the first side plate 110, and the nut is screwed on the portion of each bolt extending out of the second side plate 120, so that the fixing connection of the first side plate 110 and the second side plate 120 is realized through the fixing member 130.
Optionally, the first through hole 101, the second through hole 102 and the fixing hole 103 are all set to be circular holes, the axes of the first through hole 101, the second through hole 102 and the fixing hole 103 are arranged in parallel, and the apertures of the first through hole 101 and the second through hole 102 are equal.
Referring to fig. 3, in the present embodiment, optionally, the first eccentric shaft 210 is inserted into the first through hole 101 of the first side plate 110 and the second side plate 120, and two ends of the first eccentric shaft 210 respectively extend out of the first side plate 110 and the second side plate 120. The portion of the first eccentric shaft 210 extending out of the first side plate 110 is a first connecting section 211, and the portion of the first eccentric shaft 210 extending out of the second side plate 120 is a second connecting section 212.
Further, the first eccentric shaft 210 is connected with the first side plate 110 through a bearing, and the first eccentric shaft 210 is connected with the second side plate 120 through a bearing, so that friction force and abrasion are reduced.
Optionally, the second eccentric shaft 220 is inserted into the second through hole 102 of the first side plate 110 and the second side plate 120, the second eccentric shaft 220 is parallel to the first eccentric shaft 210, and two ends of the second eccentric shaft 220 respectively extend out of the first side plate 110 and the second side plate 120. The portion of the second eccentric shaft 220 extending out of the first side plate 110 is a third connecting section 221, and the portion of the second eccentric shaft 220 extending out of the second side plate 120 is a fourth connecting section 222.
Further, the second eccentric shaft 220 is connected with the first side plate 110 through a bearing, and the second eccentric shaft 220 is connected with the second side plate 120 through a bearing, so that friction force and abrasion are reduced.
Optionally, the driving mechanism 400 includes a driver (not shown) and a transmission assembly 410, the driver is connected to the frame 100, the driver is connected to the first eccentric shaft 210, and the first eccentric shaft 210 is connected to the second eccentric shaft 220 through the transmission assembly 410; the driver is used for driving the first eccentric shaft 210 to rotate, and driving the second eccentric shaft 220 to synchronously rotate in the same direction through the transmission assembly 410.
It should be understood that the drive arrangement may be an electric motor and may be directly fixed to the frame 100 or an external separate power source.
Referring to fig. 1 and 5, the transmission assembly 410 may alternatively be a gear transmission structure, a belt transmission structure, or a chain transmission structure. For example, in the present embodiment, the transmission assembly 410 is taken as an example of a belt transmission structure.
The transmission assembly 410 includes a driving wheel 411, a driven wheel 412 and a first transmission belt 413, the driving wheel 411 is sleeved outside the first connecting section 211 of the first eccentric shaft 210, the driven wheel 412 is sleeved outside the third connecting section 221 of the second eccentric shaft 220, the first transmission belt 413 is tensioned outside the driving wheel 411 and the driven wheel 412, and the driver is connected with the first connecting section 211 of the first eccentric shaft 210 and is used for driving the first eccentric shaft 210 to rotate, so that the driving wheel 411 and the first transmission belt 413 drive the driven wheel 412 to rotate, and further drive the second eccentric shaft 220 to synchronously rotate in the same direction. It should be understood that the first eccentric shaft 210 and the second eccentric shaft 220 have the same structure, and the transmission ratio of the driving pulley 411 and the driven pulley 412 is 1: 1.
referring to fig. 1, further, the transmission assembly 410 further includes a first balance weight wheel 414, a second balance weight wheel 415, and a second transmission belt 416, the first balance weight wheel 414 is disposed outside the second connection section 212 of the first eccentric shaft 210, the second balance weight wheel 415 is disposed outside the fourth connection section 222 of the second eccentric shaft 220, the second transmission belt 416 is tensioned outside the first balance weight wheel 414 and the second balance weight wheel 415, and the driver is configured to drive the first eccentric shaft 210 to rotate, so that the first balance weight wheel 414 and the second transmission belt 416 drive the second balance weight wheel 415 to rotate, and further drive the second eccentric shaft 220 to rotate synchronously and in the same direction. It will be appreciated that the transmission ratio of the first counterweight wheel 414 and the second counterweight wheel 415 is 1: 1, and the first and second balance weight wheels 414 and 415 have the same outer diameter as the first and second transmission wheels.
Referring to fig. 6, further, the first connecting section 211 and the second connecting section 212 of the first eccentric shaft 210 are further sleeved with flywheels 417, the driving wheel 411 and the first balance weight wheel 414 are located between the two flywheels 417, and the flywheel 417 is arranged to increase the inertia power of the jaw plate 230 during the movement process.
In other embodiments, two driving mechanisms 400 may be provided, and the two driving mechanisms 400 are independently provided and respectively drive the first eccentric shaft 210 and the second eccentric shaft 220 to rotate. The control is convenient, and the maintenance is convenient.
Referring to fig. 4, in the present embodiment, optionally, the jaw unit 200 further includes a connecting body 240, the connecting body 240 is provided with a first coupling hole 241 and a second coupling hole 242, the first coupling hole 241 is coupled to the outside of the first eccentric shaft 210, and the first coupling hole 241 is rotatably engaged with the first eccentric shaft 210; the second coupling hole 242 is coupled to the outside of the second eccentric shaft 220, and the second coupling hole 242 is rotatably coupled to the second eccentric shaft 220. The jaw plate 230 is secured to the connector 240, the connector 240 and the jaw plate 230 are positioned between the first side plate 110 and the second side plate 120, and the jaw plate 230 is slidably engaged with the first side plate 110 and the second side plate 120. When the first eccentric shaft 210 and the second eccentric shaft 220 rotate, the connecting body 240 can be driven by the connecting body 240 to reciprocate and move circumferentially, and the crushing of the material can be realized by matching with the jaw plate 300.
Further, the first coupling hole 241 and the first eccentric shaft 210 are connected by a first bearing; the second sleeving hole 242 and the second eccentric shaft 220 are connected by a second bearing. When the first eccentric shaft 210 and the second eccentric shaft 220 rotate with respect to the connecting body 240, the friction force is small and the rotation is flexible.
In this embodiment, the jaw plate 300 may be optionally disposed between the first side plate 110 and the second side plate 120, and the jaw plate 300 may be fixed to the plurality of fixing members 130. Specifically, the jawset 300 is secured to a plurality of bolts, for example, the jawset 300 may be welded to a plurality of bolts. The jaw plate 300 and the jaw plate 230 are arranged at an angle, the jaw plate 300, the jaw plate 230, the first side plate 110 and the second side plate 120 define a crushing cavity together, the top of the crushing cavity is a feed inlet, the bottom of the crushing cavity is a discharge outlet, the opening degree of the feed inlet at the top is larger than that of the discharge outlet at the bottom, and the whole crushing cavity is in a shape with a large upper part and a small lower part.
The double-shaft jaw crusher provided by the embodiment drives the first eccentric shaft 210 to rotate when the driving wheel 411 rotates, and transmits power to the driven wheel 412 and the second eccentric shaft 220 through the transmission assembly 410, so that the whole jaw plate 230 moves along with the circumferences of the two eccentric shafts, the preset motion track of the jaw plate 230 is realized, the distance between the jaw plate 230 and the jaw plate 300 is simultaneously close to and simultaneously far away from each other, the whole jaw plate surface is positioned on a power crushing surface, and the material crushing efficiency is improved. When the movable jaw plate 230 moves away from the jaw plate 300, the discharge opening between the movable jaw plate 230 and the jaw plate 300 is enlarged to increase the material leakage speed and the discharge yield.
It should be understood that the double-shaft jaw crusher has good crushing power and stability, and can directly crush cobblestone, granite and bluestone with higher hardness.
The embodiment also provides crushing equipment which comprises a walking device, a power arm and the double-shaft jaw crusher, wherein the power arm is connected with the walking device, and the rack 100 is connected with the power arm. That is, the crushing equipment of this embodiment is portable crushing equipment, and application scope is wide, uses in a flexible way.
Obviously, in other embodiments the crushing plant may be a stationary crushing plant, as would be the case with the twin-shaft jaw crusher mentioned in the above embodiments.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A twin-shaft jaw crusher, comprising:
a frame (100);
the movable jaw unit (200) comprises a first eccentric shaft (210), a second eccentric shaft (220) and a movable jaw plate (230), wherein the first eccentric shaft (210) and the second eccentric shaft (220) are both arranged on the rack (100), and the movable jaw plate (230) is sleeved outside the first eccentric shaft (210) and the second eccentric shaft (220) at the same time; the first eccentric shaft (210) and the second eccentric shaft (220) can synchronously rotate relative to the rack (100) in the same direction, so that the movable jaw plate (230) is driven to do circumferential motion;
and the jaw clamping plate (300) is connected with the rack (100), and the jaw clamping plate (300) and the movable jaw plate (230) jointly define a crushing cavity and a discharge opening communicated with the crushing cavity.
2. The twin-shaft jaw crusher of claim 1, wherein:
the double-shaft jaw crusher further comprises a driving mechanism (400), wherein the driving mechanism (400) is used for driving the first eccentric shaft (210) and the second eccentric shaft (220) to synchronously rotate relative to the frame (100) in the same direction.
3. The twin-shaft jaw crusher of claim 2, wherein: the driving mechanism (400) comprises a driver and a transmission assembly (410), the driver is connected with the frame (100), the driver is connected with the first eccentric shaft (210), and the first eccentric shaft (210) is connected with the second eccentric shaft (220) through the transmission assembly (410); the driver is used for driving the first eccentric shaft (210) to rotate, and driving the second eccentric shaft (220) to synchronously rotate in the same direction through the transmission assembly (410).
4. A twin-shaft jaw crusher as claimed in claim 3, characterised in that:
the transmission assembly (410) is configured as a gear transmission, belt transmission, or chain transmission.
5. A twin-shaft jaw crusher as claimed in claim 3, characterised in that:
a driving wheel (411) and a first balance weight wheel (414) are respectively sleeved at two ends of the first eccentric shaft (210), and a driven wheel (412) and a second balance weight wheel (415) are respectively sleeved at two ends of the second eccentric shaft (220); the transmission assemblies (410) are provided with two, the driving wheel (411) is in transmission connection with the driven wheel (412) through one of the two transmission assemblies (410), and the first counterweight wheel (414) and the second counterweight wheel (415) are in transmission connection through the other one of the two transmission assemblies (410).
6. The twin-shaft jaw crusher of claim 1, wherein:
the movable jaw unit (200) further comprises a connecting body (240), the connecting body (240) is provided with a first sleeving hole (241) and a second sleeving hole (242), the movable jaw plate (230) is connected with the connecting body (240), and the first eccentric shaft (210) is inserted into the first sleeving hole (241) and rotatably matched with the connecting body (240); the second eccentric shaft (220) is inserted into the second sleeving connection hole (242) and rotatably matched with the connecting body (240).
7. The twin-shaft jaw crusher of claim 6, wherein:
the first coupling hole (241) is rotatably engaged with the first eccentric shaft (210) through a first bearing.
8. The twin-shaft jaw crusher of claim 6, wherein:
the second sleeving hole (242) is rotatably matched with the first eccentric shaft (210) through a second bearing.
9. The twin-shaft jaw crusher of claim 1, wherein:
the frame (100) comprises two side plates which are arranged oppositely and fixing pieces (130) which are connected to the two side plates simultaneously, the first eccentric shaft (210) and the second eccentric shaft (220) are both rotatably matched with the two side plates, and the movable jaw plate (230) and the fixed jaw plate (300) are both positioned between the two side plates.
10. A crushing plant, characterized in that it comprises:
a walking unit, a power arm and a twin-shaft jaw crusher according to any one of claims 1-9, the power arm being connected to the walking unit and the frame (100) being connected to the power arm.
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| CN202110804038.4A CN113351286A (en) | 2021-07-16 | 2021-07-16 | Double-shaft jaw crusher and crushing equipment |
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| CN202110804038.4A CN113351286A (en) | 2021-07-16 | 2021-07-16 | Double-shaft jaw crusher and crushing equipment |
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| CN113351286A true CN113351286A (en) | 2021-09-07 |
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| CN202110804038.4A Pending CN113351286A (en) | 2021-07-16 | 2021-07-16 | Double-shaft jaw crusher and crushing equipment |
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| US20180221885A1 (en) * | 2015-07-09 | 2018-08-09 | MECCANICA BREGANZESE S.P.A in breve MB S.P.A. | A crusher bucket with jaws |
| CN206746646U (en) * | 2017-04-27 | 2017-12-15 | 焦作市北星耐火材料有限公司 | A kind of damping jaw crusher |
| CN110833877A (en) * | 2018-08-19 | 2020-02-25 | 义乌市金牛环保科技有限公司 | Crusher with single-jaw double-shaft mechanism |
| CN110833875A (en) * | 2018-08-19 | 2020-02-25 | 义乌市金牛环保科技有限公司 | Crusher with single-jaw double-shaft double-power mechanism |
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