WO2017193895A1

WO2017193895A1 - Internally driven jaw crusher and material crushing method

Info

Publication number: WO2017193895A1
Application number: PCT/CN2017/083503
Authority: WO
Inventors: 李绪伦; 皮佐武; 张羽林; 叶剑; 张国晏; 李续方; 孔维江
Original assignee: 贵州万恒科技发展有限公司
Priority date: 2016-05-09
Filing date: 2017-05-08
Publication date: 2017-11-16
Also published as: CN105728091A; CN105728091B

Abstract

The present invention relates to the field of mining crushers. Disclosed is an internally driven jaw crusher. The jaw crusher comprises a machine frame (1), drive component (2), stationary jaw component (3), moving jaw component (4), hydraulic adjustment component (5), and adjustable stationary jaw bracket (6). The moving jaw component (4) and stationary jaw component (3) are installed on the machine frame (1). The moving jaw component (4) and stationary jaw component (3) forms a crushing chamber with a particle discharge opening at the bottom of the chamber. The drive component (2) is installed on a top portion of the machine frame (1). The drive component (2) drives a motion of the moving jaw component (4). The jaw crusher has a compact structure and requires only a small space for installation. The drive component (2) is drivingly connected to the moving jaw component (4) and drives a motion of the moving jaw component (4) relative to the stationary jaw component (3), thereby generating an oscillating change to the volume of the crushing chamber to crush a material within the crushing chamber. An output port of the hydraulic adjustment component (5) is connected to the adjustable stationary jaw bracket (6). The adjustable stationary jaw bracket (6) is connected to the stationary jaw component (3), and drives a motion of the stationary jaw component (3) relative to the machine frame (1) to change the size of the particle discharge opening of the crushing chamber. The hydraulic adjustment component (5) drives a motion of a bottom portion of the stationary jaw component (3) relative to the moving jaw component (4), thereby adjusting the size of the particle discharge opening of the crushing chamber. The invention therefore provides the advantages of easy operations, high degree of operational efficiency, and reduced labor intensity. The invention is further provided with a transmission enhancement and adjustment component (7) for adjusting a tension in a belt (23) to improve transmission efficiency.

Description

Jaw crusher with built-in drive and material crushing method

Cross-reference to related applications

The present application claims priority to Chinese Patent Application No. CN201610301388.8, entitled "Jet Crusher with Built-in Drive", filed on May 09, 2016, the entire contents of which is hereby incorporated by reference. in.

Technical field

The invention relates to the field of mining equipment, in particular to a built-in driven jaw crusher and a material crushing method.

Background technique

The use of belt conveyors in large-scale mines is the most efficient, most productive, and most economical and environmentally friendly solution, but belt conveyors are not suitable for transporting large quantities of materials. The mining site crushing scheme used in the coal mine mountain has meteorites or other high-hardness large-sized mixed stones that cannot be broken and dealt with, causing serious damage to the belt conveying system, resulting in low efficiency, failure rate and high maintenance cost of the belt conveying system. The input-output ratio is small.

Excessive volume of materials seriously affects the belt system capacity, efficiency, cost, and severely restricts the production capacity of the underground; in order to meet the production capacity needs have to increase or use the car transportation, resulting in the environment of the underground production site due to a large number of car exhaust The emissions have become bad.

In order to solve the above problems, a jaw crusher can be used to pulverize large pieces of material. The jaw crusher (also known as the tiger mouth) has the characteristics of simple structure, reliable work, simple maintenance and economical operation cost. Widely used in mining, smelting, building materials, roads, railways, water conservancy and chemical industries, and many other industries, crushing various materials.

However, the prior art jaw crusher is large in size and is not suitable for use in a narrow field of mining. In this regard, the applicant developed the arm-moving jaw-type low-shattering machine and applied for a utility model patent (the patent name is “arm-armed jaw-type low crusher”; the application number is “CN201320172771.X”; the application date is “ 2013.04.09").

Referring to FIG. 1 , in the utility model, an arm-moving jawless low crusher comprises a frame, a driving part and an adjusting part, and the driving part is composed of a motor 1 ′, a belt 2 ′, a pulley 3 ′ and an eccentric shaft 4 ′; The pulley 3' is integrally connected with the eccentric shaft 4', and the eccentric shaft 4' and the frame 5' are hinged by a rolling bearing, and the eccentric portion of the eccentric shaft 4' is hinged with the arm plate 6' by a rolling bearing; the arm plate 6', The movable body body 9' and the movable body body support 10' are sequentially connected to form the movable jaw portion and connected to the frame 5' through the movable body support 10'; the static body 8' through the static body support 7' and the frame 5' The connection forms a static E section; the movable E-body 9', the E-arm plate 6' and the Jing-Eu body 8' form a crushing cavity; the adjustment part consists of a static-e-cylinder block 11', a static-e-pillar 12', and a static-elastic rod positioning part 13 'Construction, adjustment section and rack 5' are connected.

The arm-moving jaw-type low-shattering crusher provided by the utility model has the advantages of low profile size, improved crushing ratio and low energy consumption due to structural optimization, so that it can be installed in a limited space, especially in a mine, and the investment is low. Easy maintenance, high efficiency and energy saving, easy to use.

However, after a period of practical confirmation, the arm-moving jaw-type low crusher still has serious defects:

1. Although the adjustment portion is provided, the size of the discharge opening at the bottom of the crushing chamber can be adjusted; however, the adjustment is achieved manually, which not only has low operating efficiency, but also has high labor intensity;

2. The motor is installed on the ground separately from the main engine. The transmission chain between the motor and the moving E-section is long, and the required installation space is large. Not only the transmission efficiency is low, but also the looseness is easy to occur, and the belt is not easy to be tensioned;

3. It is impossible to quickly adjust the tightness of the transmission belt. On the one hand, it cannot adapt to the transmission requirements of different materials. On the other hand, when the belt is slack, the adjustment labor intensity is large and time consuming.

In summary, there is a lack of a size in the prior art that can automatically adjust the size of the discharge opening at the bottom of the crushing chamber. Dynamic efficiency of the jaw crusher.

Summary of the invention

The object of the present invention is to provide a jaw crusher capable of mechanically adjusting the size of the discharge opening at the bottom of the crushing chamber and having high transmission efficiency.

Another object of the present invention is to provide a compact, built-in driven jaw crusher, and capable of automatically controlling the material crushing method for adjusting the discharge port size of the jaw crusher in a working state or a non-working state.

A built-in jaw crusher is characterized in that it comprises:

Rack, drive assembly, static jaw assembly, moving jaw assembly, hydraulic adjustment assembly and static toggle bracket;

The movable jaw assembly and the static jaw assembly are both mounted on the frame, and the movable jaw assembly and the static jaw assembly constitute a crushing chamber having a discharge opening at the bottom;

The driving component is mounted on a top of the frame, and the driving component is drivingly connected with the movable jaw assembly to move the movable jaw assembly relative to the static jaw assembly;

The output end of the hydraulic adjusting component is connected with the static jaw adjustable bracket, and the static adjustable bracket is connected with the static jaw assembly to drive the static jaw assembly to swing relative to the frame to change the discharge opening size of the crushing chamber.

Further, the driving component includes:

Motor and transmission, drive pulley, drive belt, driven pulley and eccentric shaft;

The motor is mounted on the top of the frame, and the motor forms a synchronous connection with the driving pulley through a transmission device. The driving pulley is drivenly connected to the driven pulley through a driving belt, and the driven pulley is integrally connected with the eccentric shaft. The eccentric shaft is drivingly connected with the movable jaw assembly;

Further, the jaw crusher further includes a transmission efficiency adjustment assembly, one end of the transmission efficiency adjustment assembly is fixedly coupled to the frame, and the other end is abutted on the transmission belt.

Further, the transmission efficiency adjustment assembly includes a runner and a runner bracket, the bottom of the runner bracket is fixed on the frame, and the runner is fixed on the runner bracket by a rotating shaft, and the runner is Live the drive belt.

Further, the frame is provided with two parallel waist holes, and the bottom of the wheel bracket is fixed on the two waist holes by fixing bolts.

Further, the movable jaw assembly comprises a moving jaw body, two arm plates, a moving elbow plate, a moving jaw body and a tensioning member;

The movable body is connected to the movable cylinder through the arm plate, and the eccentric shaft is drivingly connected with the movable cylinder; the middle portion of the movable body is supported by at least one moving jaw bracket, and the movable jaw bracket One end is hinged to the frame, and the other end is hinged to the movable body; the end of the arm plate connecting the movable body is hinged with the tensioning member, and the tensioning member is hinged to the frame.

Further, the tensioning member comprises an upper adjusting rod, a compression adjusting buffer block and a lower adjusting rod; the end of the arm plate connecting the movable body is hinged with the upper adjusting rod, and the lower adjusting rod is hinged with the frame. The adjustment lever and the lower adjustment lever are connected by a compression adjustment buffer.

Further, the rack comprises a bottom plate, a left side plate, a right side plate, a front vertical plate, a front support assembly, a rear vertical plate and a rear support assembly; the front vertical plate and the front support assembly are fixed on the left side plate and the right side a front end of the side panel, the rear vertical panel and the rear support assembly are fixed to the rear ends of the left side panel and the right side panel;

The front support assembly supports the movable jaw bracket, the rear support assembly supports the static adjustable bracket and the hydraulic adjustment assembly; the front vertical panel and the rear vertical panel connect the left side panel and the right side panel.

Further, the upper surface of the movable body is provided with an acoustic plate with an angle of ≤40°.

Further, the static jaw assembly includes a static body, a static hanging shaft, and a pretensioning force forced deflection device; the top of the static body is hinged to the frame through a static hanging shaft, and the bottom of the static body On the one hand, it is connected to the frame by means of a forced yaw device, and on the other hand, it is connected to a static toggle bracket.

Further, the pre-tensioning force forcibly biasing device comprises a pre-tensioning spring, a positioning sleeve, a tensioning wire rope and a pre-tightening adjusting rod;

The positioning sleeve is mounted on the frame, and the pre-tightening adjustment rod is fixed in the seat tube by a thread structure, the pre-pre a top of the tension adjusting rod is provided with a spring pressing plate; the bottom end of the pre-tightening spring abuts against the bottom surface of the positioning sleeve, and the top end abuts against the spring pressing plate; the end of the tensioning wire rope and the bottom of the pre-tightening adjusting rod The end is fixedly connected and the other end is connected to the bottom of the static body.

Further, the hydraulic adjustment assembly comprises:

a driving cylinder, a guiding abutting block, a horizontally moving skew pushing block, a longitudinally moving skewing abutting block, and a box support member;

The box support member is fixed on the frame; one end of the drive cylinder is fixed on the frame, and the other end is connected with the horizontal moving skew push block; the horizontal moving skew push block and the longitudinal movement skew block The inclined surface contact; the longitudinal movement skewing block is connected with the static jaw adjustable bracket.

Further, the hydraulic adjustment assembly further includes: a driving cylinder reverse thrust seat fixed to the frame, and one end of the driving cylinder is fixed on the driving cylinder reverse thrust seat.

Further, the hydraulic adjustment assembly includes: a guiding abutting block fixed on a box support member at a lower portion of the static body, the longitudinal movement skewing block being away from a side of the horizontally moving skew pushing block It is in contact with the inclined surface of the guiding abutting block.

A built-in jaw crusher comprising:

a frame and a static jaw assembly, a moving jaw assembly, a drive assembly, and a hydraulic adjustment assembly mounted on the frame;

The movable jaw assembly and the static jaw assembly form a crushing cavity having a discharge opening at the bottom, and the driving assembly is drivingly connected with the movable jaw assembly to enable the movable jaw assembly to move relative to the static jaw assembly;

The output end of the hydraulic adjustment assembly is drivingly connected with the static jaw assembly, and the bottom of the static assembly can be driven by the hydraulic adjustment assembly to be close to or away from the movable jaw assembly, thereby adjusting the size of the discharge opening.

Compared with the prior art, the present invention provides a built-in driven jaw crusher and a material crushing method, which have the following advantages:

1. The drive motor and transmission of the drive assembly are mounted on the top of the frame, which shortens the distance between the drive pulley and the driven pulley of the drive assembly, reduces the length of the transmission chain, and increases the transmission efficiency adjustment device. The slack of the transmission chain occurs, to a certain extent, not only improves the transmission efficiency and the reliability of the operation of the equipment, but also saves a large installation space;

2, with hydraulic adjustment components, and the static E component and the frame are connected by the action, by controlling the output end of the hydraulic adjustment component to drive the static E-adjustable toggle plate, the static E can adjust the bracket and then drive the static E component to make the static The bottom of the jaw assembly moves relative to the moving jaw assembly to achieve the purpose of adjusting the size of the discharge opening of the crushing chamber; compared with the conventional method of manually adjusting the size of the discharge opening, the hydraulic mechanical adjustment method is easy to operate. The advantages of high operational efficiency and low labor intensity.

DRAWINGS

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the specific embodiments or the description of the prior art will be briefly described below, and obviously, the attached in the following description The drawings are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

1 is a structural view of a boom-type jawless low crusher in the prior art;

2 is a perspective structural view of a built-in driving jaw crusher in a first direction according to a first embodiment of the present invention;

3 is a perspective structural view of a crusher with a built-in driving jaw in a second direction according to a first embodiment of the present invention;

Figure 4 is a partial enlarged view of Figure 2 at B;

Figure 5 is a left side view of the jaw crusher with built-in drive according to the first embodiment of the present invention;

Figure 6 is a front elevational view of a jaw crusher with built-in drive according to a first embodiment of the present invention;

Figure 7 is a cross-sectional view of Figure 6 in the A-A direction;

Figure 8 is a cross-sectional view of Figure 6 on another cross section;

FIG. 9 is a schematic structural view of a hydraulic adjustment assembly according to a first embodiment of the present invention.

LIST OF REFERENCE NUMERALS 1'-motor; 2'-belt; 3'-driven pulley; 4'-eccentric shaft; 5'-frame; 6'-e-arm plate; 7'-static body support; 8' - Jing E body; 9 '- moving E body; 10 '- moving E body support; 11 '- Jing E top tight block; 12 '- static E pull rod; 13 '- static E-bar fixed part; 1-rack; 2-drive assembly; 3- static jaw assembly; 4-moving jaw assembly; 5-hydraulic adjustment assembly; 6-static jaw adjustable bracket; 7-drive synergy adjustment assembly; 8-fixed ear; 11-base plate; - left side plate; 13-front vertical plate; 14-eccentric shaft support bearing seat; 15- static suspension support; 16-front support assembly; 17-rear support assembly; 21-motor; 22-drive pulley; Transmission belt; 24-driven pulley; 25-eccentric shaft; 26-motor support frame; 31-jing E-body; 32-pre-tensioned strong yaw device; 33-jing E-hanging shaft; 41-E-arm plate; - moving jaw bracket; 43-tensioning; 44-moving body; 45-moving cylinder; 51-drive cylinder; 52-box support; 53-drive cylinder reverse thrust seat; 54-guide Block; 55-horizontal movement skew push block; 56-longitudinal movement skew block; 71-rotor; 72-runner bracket; 73-bolt ;74-waist hole; 321-preload spring; 322-seat tube; 323-tension wire rope; 324-preload force adjustment rod; 431-up adjustment lever; 432-compression adjustment buffer block; 433-down adjustment Pull rod.

detailed description

The technical solutions of the present invention will be clearly and completely described in the following with reference to the accompanying drawings. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. The orientation or positional relationship of the indications is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the invention and the simplified description, rather than indicating or implying that the device or component referred to has a specific orientation, in a specific orientation. The construction and operation are therefore not to be construed as limiting the invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

First embodiment:

1 is a structural view of an arm-moving jawless low crusher in the prior art; FIG. 2 is a perspective structural view of the arm-moving jawless low crusher provided in the first direction of the present invention; FIG. 4 is a partial enlarged view of FIG. 2 at B; FIG. 5 is a left side view of the built-in driven jaw crusher provided by the present invention; 6 is a front view of a jaw crusher with built-in drive provided by the present invention; FIG. 7 is a cross-sectional view of FIG. 6 in the AA direction; FIG. 8 is a cross-sectional view of FIG. 6 on another cross section; A schematic structural view of the inventive hydraulic adjustment assembly 5.

As shown in Figures 2-8, the present invention provides a built-in jaw crusher comprising:

Rack 1, drive assembly 2, static jaw assembly 3, moving jaw assembly 4, hydraulic adjustment assembly 5 and static jaw adjustable bracket 6;

The movable jaw assembly 4 and the static jaw assembly 3 are both mounted on the frame 1, and the movable jaw assembly 4 and the static jaw assembly 3 constitute a crushing chamber having a discharge opening at the bottom;

The drive assembly 2 is mounted on the top of the frame 1, the drive assembly 2 is drivingly coupled with the movable jaw assembly 4 to move the movable jaw assembly 4 relative to the static jaw assembly 3; in the drive assembly 2 is an additional transmission efficiency adjustment assembly 7;

The hydraulic adjusting component 5 can drive the driving static jaw assembly 3 to be close to or away from the moving jaw assembly 4, thereby adjusting the discharge opening size of the jaw crusher, and after the discharge opening adjustment is completed, the material to be crushed can be put into the jaw crusher. The crushing chamber is broken. The output end of the hydraulic adjusting component 5 is connected with the static jaw adjustable bracket 6, and the static jaw adjustable bracket 6 is connected with the static jaw assembly 3 to drive the static jaw assembly 3 relative to the frame 1 to change the discharge opening size of the crushing chamber. .

Compared with the prior art, the present invention provides a built-in jaw crusher with the following advantages:

1. The motor 21 and the transmission of the drive assembly 2 are mounted on the top of the frame 1, shortening the distance between the motor 21 of the drive assembly 2 and the drive pulley 22 and the movable jaw assembly 4, the eccentric shaft 25 and the driven pulley 24, The length of the transmission chain is reduced, and the transmission efficiency adjustment component 7 is added, so that the transmission chain is not prone to looseness, the transmission efficiency is improved, and the reliability of the equipment operation is improved to a certain extent, and the space for equipment installation is saved. .

2, with a hydraulic adjustment component 5, and the static jaw assembly 3 and the frame 1 are movably connected, through the output end of the hydraulic adjustment assembly 5 to drive the static jaw adjustable bracket 6, static and adjustable toggle bracket 6 and then drive static The armor assembly 3 moves the bottom of the static jaw assembly 3 relative to the moving jaw assembly 4 to achieve the purpose of adjusting the size of the discharge opening of the crushing chamber; compared with the conventional method of manually adjusting the size of the discharge opening, the hydraulic mechanical mechanism The adjustment method has the advantages of easy operation, high operation efficiency, and reduced labor intensity.

In this embodiment, the drive assembly 2 includes a motor 21, a drive pulley 22, a drive belt 23, a driven pulley 24, and an eccentric shaft 25;

The motor 21 is mounted on the top of the frame 1, the motor 21 is fixedly connected to the driving pulley 22, and the driving pulley 22 is drivingly connected to the driven pulley 24 via a transmission belt 23, and the driven pulley 24 is integrally connected with the eccentric shaft 25. The eccentric shaft 25 is drivingly connected with the movable jaw assembly 4;

The jaw crusher further includes a transmission efficiency adjustment assembly 7, one end of which is fixedly connected to the frame 1 and the other end is abutted on the transmission belt 23.

The action process of the drive component 2 is as follows:

When the motor 21 rotates, the driving pulley 22 drives the driven pulley 24 to rotate through the transmission belt 23. The driven pulley 24 drives the eccentric shaft 25 to rotate together, and the eccentric shaft 25 drives the moving jaw assembly 4 to the long axis direction of the pulverized material. The squeezing and frictional movement in the short axis direction.

The transmission efficiency adjustment component 7 can not only adjust the tightness of the transmission belt 23, but also meet the transmission requirements of crushing different materials, and can also adjust in time to ensure the reliability of the transmission after the belt is slack for a long time.

Specifically, the motor 21 is fixed to the frame 1 by the motor support frame 26, and the motor support frame 26 is provided with two parallel waist holes 74;

Referring to FIG. 4, the transmission efficiency adjustment assembly 7 includes a runner 71 and a runner bracket 72. The bottom of the runner bracket 72 is fixed to the two waist holes 74 by fixing bolts 73. The runner 71 is fixed to the runner by a rotating shaft. On the bracket 72.

When the transmission belt 23 is too loose, the bolt 73 is loosened, and the runner bracket 72 is slid down along the waist hole 74, so that the runner 71 gradually presses the belt until the tightness of the belt is appropriate, and the bolt 73 is tightened to make the runner The bracket 72 is fixed on the waist hole 74; when the transmission belt 23 is too tight, the bolt 73 is loosened, and the runner bracket 72 is slid upward along the waist hole 74, so that the runner 71 gradually releases the pressure on the belt until the belt The tightness is appropriate, and the bolts 73 are tightened to secure the runner bracket 72 to the waist hole 74.

Of course, this is only a specific embodiment of the present invention. The specific structure of the transmission efficiency adjusting component 7 of the present invention is not limited thereto, and may be other structures as long as the tightness of the belt can be conveniently adjusted.

Referring to FIG. 2 and FIG. 7, in this embodiment, the movable jaw assembly 4 includes a movable jaw body 44, two arm plates 41, a moving jaw bracket 42, a moving jaw cylinder 45, and at least two tensioning members 43;

The moving body 44 is connected to the moving jaw cylinder 45 through the arm plate 41, and the eccentric shaft 25 is drivingly connected with the moving jaw cylinder 45; the middle portion of the moving jaw 44 is supported by at least one moving jaw bracket 42 and the moving jaw bracket 42 One end is hinged to the frame 1 and the other end is hinged to the movable body 44. One end of the arm plate 41 and the movable body 44 is hinged with the tensioning member 43, and the tensioning member 43 is hinged to the frame 1.

The upper surface of the movable body 44 is provided with an outer tooth plate which meets the inclination angle of the large feed inlet, and the angle between the horizontal and the horizontal is not more than 40°, so as to increase the width of the feed opening of the crushing cavity.

The movable jaw assembly 4, which accounts for 70% of the total weight, is supported on the frame 1 via the movable toggle bracket 42. When the crusher is working, the motor 21 drives the pulley to rotate to the rated speed, and the motor 21 torque only needs to drive the movable body 44. Continuous swing in the horizontal direction, low reactive power consumption, energy saving 20-30% compared with the traditional crusher; the eccentric shaft 25 drives the moving cylinder body 45, and then the kinetic energy generated by the inertia of the moving body 44 can meet or exceed the broken The energy required for the material.

Referring to FIG. 3, specifically, the tensioning member 43 includes an upper adjusting rod 431, a compression adjusting buffer block 432, and a lower adjusting rod 433. One end of the arm plate 41 connected to the movable body 44 is hinged to the upper adjusting rod 431, and is adjusted downward. The pull rod 433 is hinged to the frame 1, and the upper adjustment lever 431 and the lower adjustment lever 433 are connected by a compression adjustment buffer 432.

The compression adjustment buffer block 432 allows the upper adjustment lever 431 and the lower adjustment lever 433 to be relatively moved within a certain range to achieve a good cushioning effect.

Referring to FIG. 7, in the embodiment, the static jaw assembly 3 includes a static body 31, a static hanging shaft 33, and a preloading strong deflection device 32; the top of the static body 31 passes through the static hanging shaft 33 and the frame 1 Hinged, the bottom of the static body 31 is connected to the frame 1 by a strong pull yaw device on the one hand, and to the static jaw adjustable bracket 6 on the other hand.

The static body 31 reaches a balance under the joint action of the pre-tightening tension yaw device 32 and the driving cylinder 51, and the pre-tensioning tension yaw device 32 functions as a limit, and then the driving cylinder 51 adjusts the static body 31. Position, and then adjust the size of the discharge opening at the bottom of the crushing chamber.

The moving body 44 is far away from the moving jaw cylinder 45, and the moving body 44 and the moving arm barrel 45 are connected to each other through the arm plate 41. The moving body 44 and the static body 31 are connected by two external plates to realize the movable jaw. The body 44 and the crushing chamber are external, and the structure has the following advantages:

1. The weight of the movable jaw assembly 4 is mainly supported on the frame 1. When the motor 21 drives the eccentric shaft 25 to rotate and drives the body 44 to perform the crushing function, the load is reduced to achieve energy saving;

2. The moving cylinder 45 is circularly moved and transmitted to the moving body 44 through the arm plate 41. The motion track of the moving body 44 decomposes the force into a horizontally oriented long axis of crushing and a vertical short axis. Friction and crushing movement to achieve low loss of the tooth plate;

3, the crushing chamber is externally placed, and under the condition that the trajectory of the broken function is required, the large tilt of the movable body 44 and the yoke plate can be realized, so that the ratio of the size of the inlet of the crushing chamber and the size of the discharge opening is maximized, thereby Achieve the maximum crush ratio;

4, the crushing chamber is externally placed, and under the condition of meeting the movement trajectory of the broken function, the maximum inclination of the movable body 44 and the tooth plate can be realized, and the minimum height of the overall height of the crusher can be realized.

5. The drive assembly 2 and the transmission belt 23 synergy adjustment assembly are arranged in the upper part of the crusher body, so that the crusher has a compact structure and high transmission efficiency.

Referring to Figure 8, specifically, the pre-tensioning tension yaw device 32 includes a pre-tension spring 321 , a seat tube 322 , a tension wire 323 and a pre-tensioning lever 324;

The seat tube 322 is mounted on the frame 1, and the pre-tightening adjustment rod 324 is fixed in the seat tube 322 by a threaded structure. The top of the pre-tightening force adjustment rod 324 is provided with a spring pressure plate; the bottom end of the pre-tightening force spring 321 is abutted against the seat tube 322. The bottom surface of the bottom wire abuts against the spring pressure plate; one end of the tension wire rope 323 is fixedly connected to the bottom of the pre-tightening force adjustment rod 324, and the other end is connected to the bottom of the static body 31.

When the preloading force adjustment lever 324 is rotated to move in the vertical direction, the spring pressure plate compresses or loosens the preloading force spring 321 to adjust the tension of the tension wire rope 323 to the static body 31; The limit is more stable, and has the advantages of easy operation and low labor intensity.

Referring to FIGS. 5, 7, and 9, in the present embodiment, the hydraulic adjustment assembly 5 includes a drive cylinder 51, a drive cylinder reverse thrust seat 53, a guide abutment block 54, a horizontally movable skew push block 55, and a longitudinal movement skew. Abutting block 56 and a box support 52;

The box support member 52 is fixed on the frame 1 to support the driving cylinder 51, the guiding abutting block 54, the horizontally moving skew pushing block 55 and the longitudinally moving skewing block 56;

One end of the driving cylinder 51 is fixed to the driving cylinder reverse thrust seat 53 connected to the frame 1, and the output shaft of the other end is connected to the horizontal moving skew pushing block 55; the horizontal moving skew pushing block 55 and the longitudinal moving skew supporting block 56 contact; the longitudinal movement skew block 56 is connected to the static jaw adjustable bracket 6; the guide abutment block 54 is fixed to the box support 52 at the lower portion of the static body 31.

The box support member 52 can stably support the driving cylinder 51 and all the blocks and limit the position, avoiding the driving cylinder 51, the horizontally moving skew pushing block 55, and the longitudinal movement skewing during the expansion and contraction of the driving cylinder 51. Block 56 is loose or detached due to excessive force, and the positional relationship of each component can be ensured.

The driving cylinder 51 moves the horizontal moving skew pushing block 55 horizontally, and the horizontal moving skew pushing block 55 pushes the longitudinal moving skew resisting block 56 to push the static elbow plate to actuate the static body 31 to swing around the hanging axis to adjust the crushing chamber discharge opening. size.

It is easy to adjust the size of the discharge opening. When the static body 31 is subjected to crushing and crushing, the static elbow adjustable bracket 6 and the skewed pushing block can carry a large reverse thrust.

Referring to FIG. 2, the frame 1 includes a bottom plate 11, a left side plate 12, a right side plate, a front vertical plate 13, a front support assembly 16, a rear vertical plate, and a rear support assembly 17; the front vertical plate 13 and the front support assembly 16 are fixed at a front end of the left side panel 12 and the right side panel, the rear vertical panel and the rear support assembly 17 are fixed to the rear ends of the left side panel 12 and the right side panel;

The front support assembly 16 supports the movable jaw bracket 42. The rear support assembly 17 supports the static adjustable bracket 6 and the hydraulic adjustment assembly 5; the front riser 13 and the rear riser connect the left side panel 12 and the right side panel.

The frame 1 can stably and reliably mount the eccentric shaft 25, the arm plate 41, the movable body 44 and the movable jaw assembly 4; the tensioning member 43 is mounted on the outer side of the left side plate 12 and the right side plate of the frame 1; What is important is that the tensioning member 43 presses the crushing movement of the movable body 44 and acts to restrict the jumping.

The frame 1 further includes an eccentric shaft support bearing housing 14 and a static suspension support seat 15.

The front vertical plate 13 and the rear vertical plate are each provided with a fixing ear 8 for convenient lifting during transportation and installation.

The built-in driven jaw crusher provided by the invention has the following working principle:

The output shaft of the motor 21 is integrally connected with the driving drive pulley 22, the rotor of the motor 21 rotates, and the driving pulley 22 on the output shaft drives the driven pulley 24 to rotate through the transmission belt 23, and the driven pulley 24 and the eccentric shaft 25 is integrated, so the eccentric shaft 25 will move together with the driven pulley 24; and the eccentric shaft 25 drives the moving cylinder 45 to perform the revolving motion, and the moving cylinder 45 drives the arm plate 41 to move, and the arm plate 41 moves again. The movement of the movable body 44 is carried out. Specifically, the movable body 44 is supported by the movable jaw bracket 42 to perform an elliptical motion with respect to the static body 31, and then the movement of the smashing material is performed with the static body 31.

Second embodiment:

The embodiment provides a built-in jaw crusher, which comprises:

a frame 1 and a static jaw assembly 3, a movable jaw assembly 4, a drive assembly 2, a hydraulic adjustment assembly 5 mounted on the frame 1;

The movable jaw assembly 4 and the static jaw assembly 3 constitute a crushing chamber having a discharge opening at the bottom, and the driving assembly 2 is drivingly connected with the movable jaw assembly 4 to enable the movable jaw assembly 4 to move relative to the static jaw assembly 3;

The output end of the hydraulic adjusting component 5 is connected to the static jaw assembly 3 through the static adjustable bracket plate 6. The bottom of the static jaw assembly 3 can be moved closer to or away from the moving jaw assembly 4 by the hydraulic adjusting assembly 5, thereby adjusting The size of the discharge opening.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present invention. range.

Claims

A built-in jaw crusher is characterized in that it comprises:

Rack, drive assembly, static jaw assembly, moving jaw assembly, hydraulic adjustment assembly and static toggle bracket;

The movable jaw assembly and the static jaw assembly are both mounted on the frame, and the movable jaw assembly and the static jaw assembly constitute a crushing chamber having a discharge opening at the bottom;

The driving component is mounted on a top of the frame, and the driving component is drivingly connected with the movable jaw assembly to move the movable jaw assembly relative to the static jaw assembly;

The output end of the hydraulic adjusting component is connected with the static jaw adjustable bracket, and the static adjustable bracket is connected with the static jaw assembly to drive the static jaw assembly to swing relative to the frame to change the discharge opening size of the crushing chamber.
The jaw crusher of the built-in drive according to claim 1, wherein the drive assembly comprises:

Motor, drive pulley, drive belt, driven pulley and eccentric shaft;

The motor is mounted on the top of the frame, the motor output shaft is fixedly connected to the driving pulley, and the driving pulley is drivenly connected to the driven pulley through a driving belt, and the driven pulley is integrally connected with the eccentric shaft, and the eccentric shaft is coupled with The moving jaw assembly drives the connection.
A jaw crusher with built-in drive according to claim 2, wherein the jaw crusher further comprises a transmission efficiency adjustment assembly, one end of the transmission efficiency adjustment assembly is fixedly connected to the frame, and the other end is in contact with On the drive belt.
A built-in jaw crusher according to claim 3, wherein

The transmission efficiency adjustment assembly includes a runner and a runner bracket, the bottom of the runner bracket is fixed on the frame, and the runner is fixed on the runner bracket by a rotating shaft, the runner is against the transmission Belt.
The jaw crusher of the built-in drive according to claim 4, wherein the frame is provided with two waist-shaped holes parallel to the running direction of the drive belt, and the bottom of the runner bracket is fixed by The bolts are fixed to the two waist holes.
The jaw crusher of the built-in drive according to claim 2, wherein the movable jaw assembly comprises a movable jaw body, two arm plates, a movable jaw bracket, a movable jaw body and a tensioning member;

The movable body is connected to the movable cylinder through the arm plate, and the eccentric shaft is drivingly connected with the movable cylinder; the middle portion of the movable body is supported by at least one moving jaw bracket, and the movable jaw bracket One end is hinged to the frame, and the other end is hinged to the movable body; the end of the arm plate connecting the movable body is hinged with the tensioning member, and the tensioning member is hinged to the frame.
The jaw crusher of the built-in drive according to claim 6, wherein the tensioning member comprises an upper adjusting rod, a compression adjusting buffer block and a lower adjusting rod; the arm plate of the arm is connected with one end of the movable body The upper adjustment lever is hinged, and the lower adjustment lever is hinged to the frame, and the upper adjustment lever and the lower adjustment lever are connected by the compression adjustment buffer.
The jaw crusher with built-in drive according to claim 6, wherein the frame comprises a bottom plate, a left side plate, a right side plate, a front vertical plate, a front support assembly, a rear vertical plate and a rear support assembly; The front vertical plate and the front support assembly are fixed to the front ends of the left side plate and the right side plate, and the rear vertical plate and the rear support assembly are fixed to the rear ends of the left side plate and the right side plate; the front support assembly supports the movement The elbow plate, the rear support assembly supports the static jaw adjustable bracket and the hydraulic adjustment assembly; the front vertical plate and the rear vertical plate connect the left side plate and the right side plate.
The jaw crusher of the built-in drive according to claim 6, wherein the upper surface of the movable body is provided with an outer plate having an angle of ≤ 40°.
The jaw crusher of the built-in drive according to claim 1, wherein the static jaw assembly comprises a static body, a static hanging shaft, and a preloading strong deflection device; the top of the static body passes The static hanging shaft is hinged to the frame, and the bottom of the static body is connected to the frame by a forced yaw device on the one hand, and the adjustable bracket is connected with the static jaw on the other hand.
The jaw crusher with built-in drive according to claim 10, wherein the preloading tension yaw device comprises a preload spring, a positioning sleeve, a tensioning wire rope, and a preload adjusting lever;

The seat tube is mounted on the frame, and the pre-tensioning adjustment rod is fixed in the positioning seat tube by a thread structure, the pre-pre a top of the tension adjusting rod is provided with a spring pressing plate; the bottom end of the pre-tightening spring abuts against the bottom surface of the positioning sleeve, and the top end abuts against the spring pressing plate; the end of the tensioning wire rope and the bottom of the pre-tightening adjusting rod Fixed connection, the other end is connected to the bottom of the static body.
The jaw crusher with built-in drive according to claim 1, wherein the hydraulic adjustment assembly comprises: a drive cylinder, a guide abutting block, a horizontally moving skew pushing block, a longitudinally moving skew block, and a box support. Piece

The box support member is fixed on the frame; one end of the drive cylinder is fixed to the frame, and the other end is connected with the horizontal moving skew push block; the horizontal moving skew push block and the longitudinal movement skew block The inclined surface contact; the longitudinal movement skewing block is connected with the static jaw adjustable bracket.
A built-in jaw crusher according to claim 12, wherein said hydraulic adjustment assembly further comprises a drive cylinder reverse thrust seat, one end of said drive cylinder being fixed to said drive cylinder reverse thrust seat The drive cylinder reverse thrust seat is fixedly mounted on the frame.
The jaw crusher of the built-in drive according to claim 12, wherein the hydraulic adjusting assembly comprises: a guiding abutting block, the guiding abutting block is fixed on a box supporting member at a lower portion of the static body, The side of the longitudinally moving skew resisting block away from the horizontally moving skew pushing block is in contact with the inclined surface of the guiding abutting block.
A built-in jaw crusher is characterized in that it comprises:

a frame and a static jaw assembly, a moving jaw assembly, a drive assembly, and a hydraulic adjustment assembly mounted on the frame;

The movable jaw assembly and the static jaw assembly form a crushing cavity having a discharge opening at the bottom, and the driving component and the movable jaw assembly are drivingly connected to enable the movable jaw assembly to move relative to the static jaw assembly, and cyclically change the size of the crushing cavity to realize Breaking of material in the crushing chamber;

The output end of the hydraulic adjustment assembly is drivingly connected with the static jaw assembly, and the bottom of the static assembly can be driven by the hydraulic adjustment assembly to be close to or away from the movable jaw assembly, thereby adjusting the size of the discharge opening.