Hydraulic adjusting jaw crusher
The hydraulic adjustment system automatically adjusts the swing amplitude of the moving jaw of the jaw crusher, solving the problem of time-consuming and labor-intensive traditional mechanical adjustment. It enables flexible adaptation to material characteristics and discharge particle size control, and has overload protection capabilities.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HAIAN TIANPENG MACHINERY MFG
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-28
AI Technical Summary
The existing adjustment method for jaw crushers requires stopping the machine and manually adjusting the shims, which is time-consuming, labor-intensive, and has limited accuracy, making it difficult to adapt to various materials or frequent changes in operating conditions.
A hydraulic adjustment system is adopted, which drives the elbow plate height adjustment through hydraulic rods to automatically adjust the swing amplitude of the moving jaw. Combined with the elbow support and cooperating parts, it realizes overload protection and material discharge control.
It enables flexible adaptation to material characteristics during operation, improves the capacity for handling large pieces and the crushing force for fine pieces, ensures stable output particle size, and has overload protection function.
Smart Images
Figure CN224167566U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of crusher technology, specifically a hydraulically adjustable jaw crusher. Background Technology
[0002] In existing jaw crusher technology, the toggle plate is the core adjusting component. Its working principle is to change the height of the toggle plate by increasing or decreasing the number of shims between the toggle plate seat and the frame, thereby adjusting the swing amplitude of the moving jaw and the compression ratio of the crushing chamber, and finally achieving dynamic control of the crushing force.
[0003] Traditional mechanical shim adjustment methods have significant drawbacks: operators need to manually disassemble the side plates of the frame after stopping the machine, add or remove metal shims layer by layer, and repeatedly measure the discharge port size based on experience. This is not only time-consuming and labor-intensive, but also limited in accuracy by the thickness of the shims and human error. It is difficult to adapt to the needs of multiple types of materials or frequent switching of working conditions, becoming a technical bottleneck that restricts crushing efficiency and product consistency. To address this, we propose a hydraulically adjustable jaw crusher. Utility Model Content
[0004] One of the technical problems this application aims to solve is that operators need to manually disassemble the machine frame side panels after stopping the machine, add or remove metal shims layer by layer, and repeatedly measure the discharge port size based on experience, which is time-consuming and labor-intensive.
[0005] To address the aforementioned technical problems, this application provides a hydraulically adjustable jaw crusher, including a base plate and further comprising:
[0006] Side panels, both of which are fixedly connected to the top of the base plate, and two frame plates are provided between the two side panels, both of which are fixedly connected to the base plate;
[0007] A movable jaw is disposed between two frame plates. A first crushing plate is fixedly connected to one side of the movable jaw. A fixed jaw is fixedly connected between the two frame plates. A second crushing plate is fixedly connected to one side of the fixed jaw. The first crushing plate and the second crushing plate are arranged opposite to each other.
[0008] An adjustment unit is disposed within the frame. The adjustment unit includes an elbow plate and a first hydraulic rod. The first hydraulic rod drives one end of the elbow plate to rise and fall, thereby adjusting the height of the elbow plate and thus adjusting the swing amplitude of the moving jaw.
[0009] In some embodiments, the adjustment unit includes a support fixedly connected between two frame plates, two limiting plates fixedly connected to the top of the support, and an elbow member provided on the top of the support for assisting the reciprocating swing of the moving jaw.
[0010] In some embodiments, the elbow support includes a lifting frame disposed on the top of the support. Multiple first hydraulic rods are fixedly connected between the lifting frame and the support. Limiting grooves are formed on both sides of the lifting frame, and two of the limiting grooves respectively cooperate with two limiting plates. A sliding groove is formed on the inner side of the lifting frame. Two fixing plates are fixedly connected to the other side of the movable jaw. A first rotating shaft is rotatably connected between the two fixing plates. An elbow plate is fixedly connected to the outside of the first rotating shaft. A second rotating shaft is fixedly connected to one end of the elbow plate. Moving rods are rotatably connected to both ends of the second rotating shaft. Slide rails are fixedly connected to the outer sides of the two moving rods. Two micro motors are fixedly connected to one end of the lifting frame. Screws are fixedly connected to the drive ends of the two micro motors. The two screws are threadedly connected to the two moving rods respectively. A cooperating component is provided at the bottom of the support for cooperating with the elbow plate and the movable jaw to provide overload protection.
[0011] In some embodiments, the outer sides of the two limiting plates are fixedly connected to the inner sides of the two frame plates, and the two moving rods and the lifting frame are slidably connected by a slide groove and a slide rail.
[0012] In some embodiments, the cooperating component includes a connecting plate fixedly connected to the bottom of the support, a first connecting plate fixedly connected to one side of the connecting plate, a first rod fixedly connected to one side of the first connecting plate, a second rod provided at one end of the first rod, the first rod and the second rod being slidably connected, a second connecting plate fixedly connected to one end of the second rod, a rotating ring fixedly connected to one side of the second connecting plate, the rotating ring being rotatably connected to the moving jaw, a spring being sleeved on the first rod and the second rod, a pushing ring being slidably sleeved on the second rod, and a second hydraulic rod being fixedly connected between the pushing ring and the second connecting plate.
[0013] In some embodiments, four second hydraulic rods are provided, and all four second hydraulic rods are arranged around the central axis of the second connecting plate.
[0014] In some embodiments, a drive motor is fixedly connected to the top of the base plate, and a belt is sleeved on the drive end of the drive motor. A drive wheel and a driven wheel are rotatably connected to the top of the two frame plates, respectively. The belt is sleeved on the drive wheel. Rotary wheels are rotatably connected to both sides of the moving jaw. The drive end of the drive wheel is eccentrically connected to one of the rotary wheels, and the drive end of the driven wheel is eccentrically connected to the other rotary wheel.
[0015] This utility model has at least the following beneficial effects:
[0016] By setting up an elbow support, the height of one end of the elbow plate can be adjusted to flexibly adapt to the material characteristics. That is, by raising it, the discharge resistance is reduced, the capacity for handling large pieces is increased, and by lowering it, the crushing force of fine pieces is strengthened. At the same time, by setting up a coordinating component, the overload protection response sensitivity can be adjusted. In addition, by driving the elbow plate to move, the distance between the moving jaw and the fixed jaw can be adjusted, and the discharge particle size can be controlled. In short, the elbow plate can be automatically hydraulically adjusted, thereby adjusting the swing amplitude of the moving jaw. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This utility model Figure 1 Internal structure diagram;
[0019] Figure 3 This is a schematic diagram of the adjustment unit structure of this utility model;
[0020] Figure 4 This utility model Figure 3 A schematic diagram of the bottom structure;
[0021] Figure 5 This is a partial top view of the structure of this utility model.
[0022] In the diagram: 1. Base plate; 2. Side plate; 3. Frame plate; 4. Moving jaw; 41. First crushing plate; 5. Fixed jaw; 51. Second crushing plate; 6. Adjustment unit; 61. Support; 62. Limiting plate; 63. Elbow support; 631. Lifting frame; 632. First hydraulic rod; 633. Limiting groove; 634. Slide groove; 635. Fixed plate; 636. First rotating shaft; 637. Elbow plate; 638. Second rotating shaft; 639. Moving jaw. 6310, rod; 6311, slide rail; 6312, micro motor; 6313, screw; 64, cooperating component; 641, connecting plate; 642, first connecting disc; 643, first rod body; 644, second rod body; 645, second connecting disc; 646, rotating ring; 647, spring; 648, push ring; 649, second hydraulic rod; 7, drive motor; 8, belt; 9, drive wheel; 10, driven wheel; 11, rotating wheel. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1
[0024] Please see Figures 1-5 This utility model provides a technical solution:
[0025] A hydraulically adjustable jaw crusher includes a base plate 1, and further includes: side plates 2, a movable jaw 4, and an adjustment unit 6. The two side plates 2 are fixedly connected to the top of the base plate 1, and two frame plates 3 are arranged between the two side plates 2, both of which are fixedly connected to the base plate 1. The movable jaw 4 is arranged between the two frame plates 3, with a first crushing plate 41 fixedly connected to one side of the movable jaw 4. A fixed jaw 5 is fixedly connected between the two frame plates 3, and a second crushing plate 51 is fixedly connected to one side of the fixed jaw 5. The first crushing plate 41 and the second crushing plate 51 are arranged opposite to each other. The adjustment unit 6 is arranged within the frame and includes an elbow plate 637 and a first hydraulic rod 632. The first hydraulic rod 632 drives one end of the elbow plate 637 to rise and fall, thereby adjusting the height of the elbow plate 637 and thus adjusting the swing amplitude of the movable jaw 4. Adjusting the swing amplitude of the movable jaw 4 can adapt to the characteristics of materials with different hardness; for hard rock, the swing amplitude is reduced to prevent overload and jamming, while for soft ore, the swing amplitude is increased to strengthen the biting and squeezing.
[0026] The adjustment unit 6 includes a support 61 fixedly connected between two frame plates 3. Two limiting plates 62 are fixedly connected to the top of the support 61. An elbow support 63 is provided on the top of the support 61 to assist the reciprocating swing of the moving jaw 4. The elbow support 63 includes a lifting frame 631 provided on the top of the support 61. Multiple first hydraulic rods 632 are fixedly connected between the lifting frame 631 and the support 61. Limiting grooves 633 are provided on both sides of the lifting frame 631. The two limiting grooves 633 respectively cooperate with the two limiting plates 62. A sliding groove 634 is provided on the inner side of the lifting frame 631. Two fixing plates 635 are fixedly connected to the other side of the moving jaw 4. A first rotating shaft 636 is rotatably connected between the two fixing plates 635. An elbow plate 6 is fixedly connected to the outside of the first rotating shaft 636. 37. One end of the elbow plate 637 is fixedly connected to a second rotating shaft 638. Both ends of the second rotating shaft 638 are rotatably connected to moving rods 639. The outer sides of the two moving rods 639 are fixedly connected to slide rails 6310. One end of the lifting frame 631 is fixedly connected to two micro motors 6311. The drive ends of the two micro motors 6311 are fixedly connected to screws 6312. The two screws 6312 are threadedly connected to the two moving rods 639 respectively. The bottom of the support 61 is provided with a cooperating component 64 for cooperating with the elbow plate 637 and the moving jaw 4 to provide overload protection. The outer sides of the two limiting plates 62 are fixedly connected to the inner sides of the two frame plates 3 respectively. The two moving rods 639 and the lifting frame 631 are slidably connected through the slide groove 634 and the slide rail 6310.
[0027] The cooperating component 64 includes a connecting plate 641 fixedly connected to the bottom of the support 61. A first connecting plate 642 is fixedly connected to one side of the connecting plate 641. A first rod 643 is fixedly connected to one side of the first connecting plate 642. A second rod 644 is provided at one end of the first rod 643. The first rod 643 and the second rod 644 are slidably connected. A second connecting plate 645 is fixedly connected to one end of the second rod 644. A rotating ring 646 is fixedly connected to one side of the second connecting plate 645. The rotating ring 646 is rotatably connected to the movable jaw 4. A spring 647 is fitted over the outer sleeve of the rod body 643 and the second rod body 644. A push ring 648 is slidably fitted over the outer sleeve of the second rod body 644. A second hydraulic rod 649 is fixedly connected between the push ring 648 and the second connecting plate 645. There are four second hydraulic rods 649, all of which are arranged around the central axis of the second connecting plate 645. The cooperating component 64 can buffer the crushing impact, maintain a constant discharge gap, and automatically reset and unblock materials. It has both shock absorption and stable production and overload self-rescue functions. This is existing technology and will not be described in detail here.
[0028] During use, the moving jaw 4 will drive the toggle plate 637 to perform auxiliary movement during its movement, and activate the first hydraulic rod 632. Multiple first hydraulic rods 632 synchronously drive the lifting frame 631 to rise and fall linearly under the limit of the limit groove 633 and the limit plate 62. Adjusting the height of one end of the toggle plate 637 can flexibly adapt to the material characteristics, that is, by raising it to reduce the discharge resistance and improve the processing capacity of large pieces, and by lowering it to strengthen the crushing force of fine pieces. At the same time, the four second hydraulic rods 649 are activated, synchronously driving the push ring 648 to move, and adjusting the extension and retraction of the spring 647 to adjust the overload protection response sensitivity.
[0029] Starting two micro motors 6311 synchronously drives two screws 6312 to rotate synchronously in the same direction. This can synchronously drive two moving rods 639 to move linearly under the limit of the slide groove 634 and the slide rail 6310, which in turn drives the elbow plate 637 to move. This allows adjustment of the distance between the moving jaw 4 and the fixed jaw 5, thus controlling the output particle size. Example 2
[0030] Please see Figure 1 , Figure 2 and Figure 5 This utility model provides a technical solution:
[0031] Unlike Embodiment 1, a drive motor 7 is fixedly connected to the top of the base plate 1, and a belt 8 is sleeved on the drive end of the drive motor 7. A drive wheel 9 and a driven wheel 10 are rotatably connected to the top of the two frame plates 3, respectively. The belt 8 is sleeved on the drive wheel 9. Rotary wheels 11 are rotatably connected to both sides of the moving jaw 4. The drive end of the drive wheel 9 is eccentrically connected to one of the rotary wheels 11, and the drive end of the driven wheel 10 is eccentrically connected to the other rotary wheel 11. The driven wheel 10 is used for balanced rotation.
[0032] Start the drive motor 7, drive the belt 8 to rotate, which in turn drives the drive wheel 9 to rotate. The drive wheel 9 drives the wheel 11 on one side to rotate eccentrically on one side of the moving jaw 4. At the same time, the toggle plate 637 and the cooperating component 64 provide assistance. The moving jaw 4 reciprocates and cooperates with the fixed jaw 5 to crush the jaw through the first crushing plate 41 and the second crushing plate 51.
[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.
Claims
1. A hydraulically adjustable jaw crusher, comprising a base plate (1), characterized in that: It also includes: Side plate (2), both side plates (2) are fixedly connected to the top of the bottom plate (1), and two frame plates (3) are provided between the two side plates (2), both frame plates (3) are fixedly connected to the bottom plate (1); A movable jaw (4) is disposed between two frame plates (3). A first crushing plate (41) is fixedly connected to one side of the movable jaw (4). A fixed jaw (5) is fixedly connected between the two frame plates (3). A second crushing plate (51) is fixedly connected to one side of the fixed jaw (5). The first crushing plate (41) and the second crushing plate (51) are disposed opposite to each other. Adjustment unit (6) is set in the frame. The adjustment unit (6) includes an elbow plate (637) and a first hydraulic rod (632). The first hydraulic rod (632) drives one end of the elbow plate (637) to rise and fall, thereby adjusting the height of the elbow plate (637) and thus adjusting the swing amplitude of the moving jaw (4).
2. The hydraulically adjustable jaw crusher according to claim 1, characterized in that: The adjustment unit (6) includes a support (61) fixedly connected between two frame plates (3). Two limiting plates (62) are fixedly connected to the top of the support (61). An elbow support (63) is provided on the top of the support (61) to assist the reciprocating swing of the moving jaw (4).
3. The hydraulically adjustable jaw crusher according to claim 2, characterized in that: The elbow support (63) includes a lifting frame (631) set on the top of the support (61). A plurality of first hydraulic rods (632) are fixedly connected between the lifting frame (631) and the support (61). Limiting grooves (633) are opened on both sides of the lifting frame (631). The two limiting grooves (633) respectively cooperate with two limiting plates (62). A sliding groove (634) is opened on the inner side of the lifting frame (631). Two fixing plates (635) are fixedly connected to the other side of the moving jaw (4). A first rotating shaft (636) is rotatably connected between the two fixing plates (635). An elbow plate (637) is fixedly connected to the outside of the first rotating shaft (636). One end of the elbow plate (637) is fixedly connected to a second rotating shaft (638), and both ends of the second rotating shaft (638) are rotatably connected to moving rods (639). The outer sides of the two moving rods (639) are fixedly connected to slide rails (6310). One end of the lifting frame (631) is fixedly connected to two micro motors (6311). The drive ends of the two micro motors (6311) are fixedly connected to screws (6312). The two screws (6312) are threadedly connected to the two moving rods (639) respectively. The bottom of the support (61) is provided with a cooperating component (64) for cooperating with the elbow plate (637) and the moving jaw (4) to provide overload protection.
4. The hydraulically adjustable jaw crusher according to claim 3, characterized in that: The outer sides of the two limiting plates (62) are fixedly connected to the inner sides of the two frame plates (3), and the two moving rods (639) and the lifting frame (631) are slidably connected through the slide groove (634) and the slide rail (6310).
5. The hydraulically adjustable jaw crusher according to claim 3, characterized in that: The cooperating component (64) includes a connecting plate (641) fixedly connected to the bottom of the support (61). A first connecting plate (642) is fixedly connected to one side of the connecting plate (641). A first rod (643) is fixedly connected to one side of the first connecting plate (642). A second rod (644) is provided at one end of the first rod (643). The first rod (643) and the second rod (644) are slidably connected. A second connecting plate (645) is fixedly connected to one end of the second rod (644). A rotating ring (646) is fixedly connected to one side of the second connecting plate (645). The rotating ring (646) is rotatably connected to the moving jaw (4). A spring (647) is sleeved on the first rod (643) and the second rod (644). A push ring (648) is slidably sleeved on the second rod (644). A second hydraulic rod (649) is fixedly connected between the push ring (648) and the second connecting plate (645).
6. The hydraulically adjustable jaw crusher according to claim 5, characterized in that: The second hydraulic rod (649) is configured as four, and all four second hydraulic rods (649) are arranged around the central axis of the second connecting plate (645).
7. The hydraulically adjustable jaw crusher according to claim 1, characterized in that: A drive motor (7) is fixedly connected to the top of the base plate (1). A belt (8) is sleeved on the drive end of the drive motor (7). A drive wheel (9) and a driven wheel (10) are rotatably connected to the top of the two frame plates (3). The belt (8) is sleeved on the drive wheel (9). Rotary wheels (11) are rotatably connected to both sides of the moving jaw (4). The drive end of the drive wheel (9) is eccentrically connected to one of the rotary wheels (11). The drive end of the driven wheel (10) is eccentrically connected to the other rotary wheel (11).