CN214131800U - Movable jaw plate protection device of jaw crusher - Google Patents
Movable jaw plate protection device of jaw crusher Download PDFInfo
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- CN214131800U CN214131800U CN202022201298.6U CN202022201298U CN214131800U CN 214131800 U CN214131800 U CN 214131800U CN 202022201298 U CN202022201298 U CN 202022201298U CN 214131800 U CN214131800 U CN 214131800U
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Abstract
The utility model discloses a broken machine in hubei province moves hubei province board protection device, include: the movable jaw plate is arranged on the machine body, the toggle plate is connected with the middle part of the movable jaw plate, and the pull rod spring is connected with the bottom of the movable jaw plate; the hydraulic device is characterized in that a hydraulic spring and a base capable of moving back and forth are mounted on the machine body, one end of the base is connected with the hydraulic spring, the other end of the base is provided with an adjusting seat, and the toggle plate is connected with the adjusting seat; an adjusting screw rod is rotatably connected with the base and used for adjusting the position of the adjusting seat; the bottom of the base is also provided with a limiting through hole, and the pull rod spring penetrates through the limiting through hole. The utility model discloses be convenient for adjust the overload value and transship and unload the time operation more stable.
Description
Technical Field
The utility model relates to a broken mechanical equipment technical field especially relates to a broken quick-witted movable hubei province board protection device of hubei province.
Background
Jaw crushers (jaw crushers) are relatively early crushing plants which are simple in construction, robust, reliable in operation, easy to maintain and overhaul and comparatively low in production and construction costs, and therefore have been widely used until now in the industrial sectors of metallurgy, chemical industry, building materials, electricity, traffic and the like. The jaw crusher is generally divided into a compound pendulum and a simple pendulum and is mainly used for coarse crushing and medium crushing. In recent years, a compound pendulum jaw crusher for fine crushing and a strong jaw crusher for crushing high-strength and high-hardness micro-carbon ferrochromium appear. The jaw crusher is widely applied to the industries of mines, smelting, building materials, highways, railways, water conservancy, chemical engineering and the like.
In the prior art, a common jaw crusher generally comprises: the movable jaw plate and the static jaw plate are arranged on the machine body, a crushing cavity which is big in top and small in bottom and used for crushing materials is formed between the movable jaw plate and the static jaw plate, and the movable jaw plate is driven by an eccentric runner to do periodic reciprocating motion to the static jaw plate. In order to control the size of a discharge hole of the crushing chamber, the bottom of the movable jaw plate is connected with a toggle plate; in order to avoid damaging crushing equipment by sudden multiplied (overload) impact force when the materials are crushed, the tail end of the toggle plate is also abutted with the spring group through the supporting baffle plate to form a movable jaw plate protecting device; as described in chinese utility model publication No. CN 205308406U.
However, the existing movable jaw plate protection device is not beneficial to adjustment because the overload value of the toggle plate is determined by the spring set; in addition, the pull rod is easy to deflect during overload discharging, and the service life is influenced.
Disclosure of Invention
To the problem that exists among the prior art, the utility model aims to provide a broken quick-witted hubei province board protection device of moving in hubei province convenient to adjust overload value and transship and move more stably of operation when unloading.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A jaw plate protection device of a jaw crusher comprises: the movable jaw plate is arranged on the machine body, the toggle plate is connected with the middle part of the movable jaw plate, and the pull rod spring is connected with the bottom of the movable jaw plate; the hydraulic device is characterized in that a hydraulic spring and a base capable of moving back and forth are mounted on the machine body, one end of the base is connected with the hydraulic spring, the other end of the base is provided with an adjusting seat, and the toggle plate is connected with the adjusting seat; an adjusting screw rod is rotatably connected with the base and used for adjusting the position of the adjusting seat; the bottom of the base is also provided with a limiting through hole, and the pull rod spring penetrates through the limiting through hole.
More preferably, the movable jaw plate comprises a bottom plate and a movable toothed plate, a bracket is arranged at the lower end of the bottom plate, a wedge-shaped block is installed at the upper end of the bottom plate, and the movable toothed plate is clamped between the bracket and the wedge-shaped block.
More preferably, the bottom plate and the wedge-shaped block are provided with corresponding through holes, and a bolt penetrates through each through hole to fix the wedge-shaped block on the bottom plate.
More preferably, the drawbar spring includes: the outer end of the first pull rod is hinged to the movable jaw plate, the outer end of the second rod is fixed to the machine body, the spring is an extension spring, and two ends of the extension spring are fixed to the first pull rod and the second pull rod respectively.
More preferably, the spring is sleeved on the first pull rod and the second pull rod.
More preferably, a spring seat and a spring cover are respectively fixed to the first pull rod and the second pull rod, and both ends of the spring are respectively fixed to the spring seat and the spring cover.
More preferably, the base is provided with an installation groove, the adjusting seat is installed in the installation groove, the bottom of the installation groove is provided with a through hole, the through hole is provided with a nut, and the adjusting screw rod penetrates through the nut and abuts against the adjusting seat.
More preferably, a plurality of adjusting shim plates are arranged between the adjusting seat and the bottom of the mounting groove.
The utility model has the advantages that:
because the hydraulic spring is used as the force supply device for the bracket support and the overload protection, the bracket support force and the overload protection force can be conveniently changed by changing the pressure of the liquid. Simultaneously, through the bottom at the base set up hold the spacing through-hole that the pull rod spring passed for move the hubei province board and all have better stability when unloading in normal operating and overloading, thereby improve equipment's life.
Drawings
Fig. 1 is a schematic structural view of a jaw crusher movable jaw plate protection device provided by the present invention.
Description of reference numerals:
1: body, 2: movable jaw plate, 3: toggle plate, 4: pull rod spring, 5: hydraulic spring, 6: base, 7: adjusting seat, 8: adjusting screw, 9: spacing through-hole, 10: crushing cavity, 11: mounting groove, 12: and adjusting the backing plate.
2-1: bottom plate, 2-2: movable toothed plate, 2-3: bracket, 2-4: wedge block, 2-5: and (4) bolts.
4-1: first pull rod, 4-2: second tie rod, 4-3: spring, 4-4: spring seats, 4-5: and a spring cover.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
As shown in fig. 1, a jaw plate protector of a jaw crusher comprises: the movable jaw plate type clamping device comprises a machine body 1, a movable jaw plate 2 arranged on the machine body 1, a toggle plate 3 connected with the middle part of the movable jaw plate 2, and a pull rod spring 4 connected with the bottom of the movable jaw plate 2; the device is characterized in that a hydraulic spring 5 and a base 6 capable of moving back and forth are mounted on the machine body 1, one end of the base 6 is connected with the hydraulic spring 5, the other end of the base 6 is provided with an adjusting seat 7, and the toggle plate 3 is connected with the adjusting seat 7; an adjusting screw 8 is rotatably connected with the base 6 and used for adjusting the position of the adjusting seat 7; the bottom of the base 6 is also provided with a limiting through hole 9, and the pull rod spring 4 penetrates through the limiting through hole 9.
The movable jaw plate 2 comprises a bottom plate 2-1 and a movable toothed plate 2-2, a bracket 2-3 is arranged at the lower end of the bottom plate 2-1, a wedge block 2-4 is arranged at the upper end of the bottom plate 2-1, and the movable toothed plate 2-2 is clamped between the bracket 2-3 and the wedge block 2-4; so as to facilitate the mounting and dismounting of the movable toothed plate 2-2.
In this embodiment, it is preferable that the bottom plate 2-1 and the wedge-shaped blocks 2-4 are provided with corresponding through holes, and a bolt 2-5 penetrates through each through hole to fix the wedge-shaped blocks 2-4 on the bottom plate 2-1, so as to facilitate installation and detachment of the wedge-shaped blocks 2-4. Of course, in other embodiments, the wedge-shaped block and the bottom plate are welded or riveted according to different actual needs; the present embodiment is not limited.
The pull rod spring 4 includes: the jaw plate clamping device comprises a first pull rod 4-1, a second pull rod 4-2 and a spring 4-3 which are mutually sleeved to form a telescopic structure, wherein the outer end of the first pull rod 4-1 is hinged with the jaw plate 2, the outer end of the second pull rod 4-2 is fixed with the machine body 1, the spring 4-3 is an extension spring, and two ends of the extension spring are respectively fixed with the first pull rod 4-1 and the second pull rod 4-2, so that the bottom of the jaw plate 2 is clamped.
In this embodiment, the spring 3 is sleeved on the first pull rod 4-1 and the second pull rod 4-2. In order to facilitate the connection of the spring 3, a spring seat 4-4 and a spring cover 4-5 are preferably fixed on the first pull rod 4-1 and the second pull rod 4-2, respectively, and two ends of the spring 4-3 are fixed with the spring seat 4-4 and the spring cover 4-5, respectively.
Further, still be equipped with mounting groove 11 on the base 6, adjustment seat 7 is installed in mounting groove 11 the bottom of mounting groove 11 is equipped with the through-hole install the nut on the through-hole, adjusting screw 8 follow pass in the nut and with adjustment seat 7 supports and leans on. In this embodiment, a plurality of adjusting shim plates 12 are preferably further disposed between the adjusting seat 7 and the bottom of the mounting groove 11, so that the adjusting seat 7 is stably and reliably mounted in the mounting groove 11.
The broken quick-witted jaw board protection device in hubei province that provides, its theory of operation is: when the over-hard foreign matters enter the crushing cavity 10, the movable jaw plate 2 which normally operates extrudes the static jaw plate 3 to be subjected to reverse acting force, the movable jaw plate protection device immediately acts, the hydraulic spring 5 buffers and protects the bearing, and meanwhile, the toggle plate 3 is guided backwards, the hydraulic spring 5 contracts inwards, so that the discharge hole is enlarged, and the over-hard foreign matters are discharged; effectively protecting the machine and prolonging the service life.
Compared with the prior art, the movable jaw plate protection device of the jaw crusher provided by the embodiment adopts the hydraulic spring 5 as a force supply device for supporting and overload protecting the toggle plate, so that the supporting force and the overload protecting force of the toggle plate can be conveniently changed by changing the pressure of liquid. Simultaneously, through the bottom at base 6 sets up the spacing through-hole 9 that holds the pull rod spring and pass for move the jaw board and all have better stability when unloading in normal operating and overloading, thereby improve equipment's life.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (8)
1. A jaw plate protection device of a jaw crusher comprises: the movable jaw plate is arranged on the machine body, the toggle plate is connected with the middle part of the movable jaw plate, and the pull rod spring is connected with the bottom of the movable jaw plate; the hydraulic device is characterized in that a hydraulic spring and a base capable of moving back and forth are mounted on the machine body, one end of the base is connected with the hydraulic spring, the other end of the base is provided with an adjusting seat, and the toggle plate is connected with the adjusting seat; an adjusting screw rod is rotatably connected with the base and used for adjusting the position of the adjusting seat; the bottom of the base is also provided with a limiting through hole, and the pull rod spring penetrates through the limiting through hole.
2. The jaw plate protection device of the jaw crusher according to claim 1, wherein the jaw plate comprises a bottom plate and a movable toothed plate, a bracket is arranged at the lower end of the bottom plate, a wedge-shaped block is mounted at the upper end of the bottom plate, and the movable toothed plate is clamped between the bracket and the wedge-shaped block.
3. The jaw plate protection device of the jaw crusher of claim 2, wherein corresponding through holes are formed in the base plate and the wedge block, and a bolt passes through each through hole to fix the wedge block on the base plate.
4. The jaw plate guard of a jaw crusher of claim 1, wherein the tension rod spring comprises: the outer end of the first pull rod is hinged to the movable jaw plate, the outer end of the second pull rod is fixed to the machine body, the spring is an extension spring, and two ends of the extension spring are fixed to the first pull rod and the second pull rod respectively.
5. The jaw plate protection device of a jaw crusher of claim 4, wherein the spring is sleeved on the first pull rod and the second pull rod.
6. The jaw plate protection device of the jaw crusher of claim 4, wherein a spring seat and a spring cover are fixed to the first pull rod and the second pull rod, respectively, and two ends of the spring are fixed to the spring seat and the spring cover, respectively.
7. The jaw plate protection device of the jaw crusher as claimed in claim 1, wherein a mounting groove is provided on the base, the adjusting seat is mounted in the mounting groove, a through hole is provided at the bottom of the mounting groove, a nut is mounted on the through hole, and the adjusting screw rod passes through the nut and abuts against the adjusting seat.
8. The jaw plate protection device of the jaw crusher of claim 7, wherein a plurality of adjusting shim plates are arranged between the adjusting seat and the bottom of the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022201298.6U CN214131800U (en) | 2020-09-29 | 2020-09-29 | Movable jaw plate protection device of jaw crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022201298.6U CN214131800U (en) | 2020-09-29 | 2020-09-29 | Movable jaw plate protection device of jaw crusher |
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| Publication Number | Publication Date |
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| CN214131800U true CN214131800U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022201298.6U Active CN214131800U (en) | 2020-09-29 | 2020-09-29 | Movable jaw plate protection device of jaw crusher |
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| CN (1) | CN214131800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301317A (en) * | 2022-08-08 | 2022-11-08 | 攀钢集团西昌钒制品科技有限公司 | Blockage recovery device for a crusher and a crusher comprising such a device |
-
2020
- 2020-09-29 CN CN202022201298.6U patent/CN214131800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301317A (en) * | 2022-08-08 | 2022-11-08 | 攀钢集团西昌钒制品科技有限公司 | Blockage recovery device for a crusher and a crusher comprising such a device |
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