Jaw crusher convenient for internal maintenance

Abstract

The utility model discloses a jaw crusher convenient for internal maintenance, and belongs to the technical field of material crushing. The jaw crusher facilitating internal maintenance comprises a base, a servo motor is fixedly mounted at the top of the base, a driving frame is in transmission connection with the side face of the servo motor, a movable jaw plate is in transmission connection with the front end of the driving frame, and a fixed jaw plate is connected to the top of the base by arranging a bolt; a protection assembly is arranged at the top of the base and comprises a hydraulic bin and a fixing plate, the inner wall of the hydraulic bin is connected with a power plate by arranging an elastic rod, a piston on the outer side of the hydraulic bin is slidably connected with a push plate, and the outer side of the base is slidably connected with a power toothed bar by arranging a sliding rail. The side face of the power toothed bar is fixedly connected with a spring, and the outer side of the base is rotationally connected with a rotating shaft. The utility model is used for solving the problem that the replacement and maintenance effects of the connecting screw rod are influenced due to the fact that stones hit the connecting screw rod.

Description

Technical Field

[0001] The utility model relates to the technical field of material crushing, in particular to a jaw crusher which is convenient for internal maintenance. Background Art

[0002] Jaw crusher is commonly known as jaw crusher, also known as tiger mouth, which consists of two jaw plates, the moving jaw and the static jaw, forming a crushing chamber, simulating the movement of the two jaws of animals to complete the material crushing operation. Jaw crusher is widely used in mining and smelting, building materials, highways, railways, water conservancy and chemical industries, and is suitable for crushing various ores and bulk materials.

[0003] According to the disclosed jaw crusher which is easy to replace the jaw plate (publication number: CN209968482U), it includes a fixed jaw plate, a movable jaw plate, a driving assembly and a frame, the fixed jaw plate is fixed on the frame, the movable jaw plate is rotatably connected to the frame, the driving assembly is fixedly connected to the frame, a fixed jaw bed is arranged on the surface of the fixed jaw plate away from the movable jaw plate, and the fixed jaw plate is detachably connected to the fixed jaw bed; fixed plates are arranged on both sides of the fixed jaw plate of the frame, a fixing rod is threadedly connected to the fixed jaw bed, a fixing hole is arranged on the fixing plate at the fixing rod, and the fixing rod is threadedly connected to the fixing hole, the above application documents adopt threaded holes and screws to facilitate internal maintenance, but during the use of the device, the screw is exposed to the outside, so that some flying stones hit the connecting screw, affecting the replacement and maintenance effect. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the replacement and maintenance effect of the connecting screw rod is affected by stones hitting the connecting screw rod. To this end, the utility model provides a jaw crusher that is convenient for internal maintenance and can protect the screw rod.

[0005] A jaw crusher convenient for internal maintenance comprises a base, a servo motor is fixedly mounted on the top of the base, a driving frame is drivingly connected to the side of the servo motor, a movable jaw plate is drivingly connected to the front end of the driving frame, and a fixed jaw plate is connected to the top of the base by bolts;

[0006] A protective component is provided on the top of the base, and the protective component includes a hydraulic chamber and a fixed plate. The inner wall of the hydraulic chamber is connected to the power plate by an elastic rod, the outer piston of the hydraulic chamber is slidably connected to the push plate, the outer side of the base is slidably connected to the power gear rod by a slide rail, the side of the power gear rod is fixedly connected to a spring, the outer side of the base is rotatably connected to a rotating shaft, the top of the rotating shaft is fixedly connected to a gear, and the outer side of the rotating shaft is fixedly connected to a protective shell.

[0007] Furthermore, the power gear rod is located at a side position of the push plate, and the power gear rod is in contact with the push plate, so that the push plate moves, thereby squeezing the power gear rod and causing it to move.

[0008] Furthermore, the gear is located at the rear end of the power gear rod, and the gear is in meshing with the power gear rod, so that the power gear rod moves to drive the gear to rotate.

[0009] Furthermore, an adsorption assembly is provided on the outside of the protective shell, and the adsorption assembly includes an air pressure chamber, one end of the air pressure chamber is fixedly connected to an air bag, the other end of the air pressure chamber is slidably connected to a push rod, and the side of the push rod away from the air pressure chamber is fixedly connected to a suction cup.

[0010] Furthermore, a through opening is provided on the protective shell, and a cross-sectional shape of the opening on the protective shell is the same as a cross-sectional shape of the air pressure chamber.

[0011] Furthermore, the airbag is located on the inner wall of the protective shell.

[0012] The difference from the prior art is that the beneficial effects of this application are:

[0013] (1) The jaw crusher, which is easy to maintain internally, starts the servo motor to drive the driving frame to rotate and perform crushing. At this time, the fast-rotating driving frame synchronously drives the hydraulic chamber to rotate rapidly, and cooperates with the power plate, elastic rod, hydraulic chamber, push plate, power gear rod, gear and rotating shaft to make the protective shell rotate to the screw installation position to protect the screw. Therefore, during the use of the device, the possibility of some splashing stones hitting the connecting screw due to the exposure of the screw to the outside and affecting its replacement and maintenance effect is reduced.

[0014] (2) For the jaw crusher which is easy to maintain internally, when the protective shell rotates for protection, the air bag is squeezed by the screw, and the gas in the air bag is then passed into the air pressure chamber, so that the pressure in the air pressure chamber increases, driving the push rod to move, so that the push rod drives the suction cup to move toward the base for adsorption, thereby further improving the stability during protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0016] Figure 1 It is a schematic diagram of the overall appearance of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall sectional three-dimensional structure of the utility model;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the protection component of the utility model;

[0019] Figure 4 For the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the adsorption component of the utility model;

[0021] Figure 6 For the utility model Figure 5 Enlarged structural diagram at B in the middle.

[0022] In the figure:

[0023] 100, base; 200, servo motor; 300, drive frame; 400, movable jaw plate; 500, fixed jaw plate;

[0024] 600, protective assembly; 601, hydraulic chamber; 602, fixed plate; 603, elastic rod; 604, power plate; 605, push plate; 606, power gear rod; 607, spring; 608, rotating shaft; 609, gear; 610, protective shell;

[0025] 700, adsorption assembly; 701, air pressure chamber; 702, air bag; 703, push rod; 704, suction cup. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only embodiments of a part of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application are described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, the process, method, system, product or equipment comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment.

[0028] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0029] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0030] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] Embodiment 1

[0033] See also Figure 1-Figure 4 As shown in the figure, a jaw crusher convenient for internal maintenance includes a base 100, a servo motor 200 is fixedly installed on the top of the base 100, a driving frame 300 is drivingly connected to the side of the servo motor 200, a movable jaw plate 400 is drivingly connected to the front end of the driving frame 300, and a fixed jaw plate 500 is connected to the top of the base 100 by bolts;

[0034] A protection assembly 600 is provided on the top of the base 100, and the protection assembly 600 includes a hydraulic chamber 601 and a fixed plate 602. When the servo motor 200 is started, the driving frame 300 connected to the driving frame 200 can be driven to rotate, and the driving frame 300 then drives the movable jaw plate 400 connected to the driving frame 200 to move back and forth, and cooperates with the fixed jaw plate 500 installed by bolts to perform crushing. At this time, the fast-rotating driving frame 300 synchronously drives the hydraulic chamber 601 connected to the driving frame 200 to rotate rapidly. The inner wall of the hydraulic chamber 601 is connected to the power plate 604 by setting an elastic rod 603, the outer piston of the hydraulic chamber 601 is slidably connected to the push plate 605, the outer side of the base 100 is slidably connected to the power gear rod 606 by setting a slide rail, the power gear rod 606 is located at the side of the push plate 605, the power gear rod 606 is in contact with the push plate 605, the side of the power gear rod 606 is fixedly connected with a spring 607, the outer side of the base 100 is rotatably connected to a rotating shaft 608, the top of the rotating shaft 608 is fixedly connected with a gear 609, the gear 609 is located at the rear end of the power gear rod 606, the gear 609 and the power gear rod 606 are in meshing state, and the outer side of the rotating shaft 608 is fixedly connected with a protective shell 610. When the hydraulic chamber 601 rotates rapidly, the power plate 604 in the hydraulic chamber 601 pulls the elastic rod 603 fixedly connected thereto under the action of centripetal force, causing movement, thereby increasing the pressure in the hydraulic chamber 601, driving the push plate 605 slidingly connected to the piston of the hydraulic chamber 601 to move, so that the push plate 605 squeezes the power gear rod 606. The movement of the power gear rod 606 drives the gear 609 meshing therewith to rotate, so that the gear 609 drives the rotating shaft 608 fixedly connected thereto to rotate, and the rotating shaft 608 then drives the protective shell 610 fixedly connected thereto to rotate, and the protective shell 610 rotates to the screw installation position to protect the screw, thereby reducing the possibility of some flying stones hitting the connecting screw due to the exposure of the screw during use of the device, thereby affecting the replacement and maintenance effect.

[0035] When in use, the servo motor 200 is started to drive the driving frame 300 connected to it to rotate, and the driving frame 300 then drives the movable jaw plate 400 connected to it to move back and forth, and cooperates with the fixed jaw plate 500 installed by bolts to perform crushing. At this time, the rapidly rotating driving frame 300 synchronously drives the hydraulic chamber 601 connected to it to rotate rapidly, so that the power plate 604 in the hydraulic chamber 601 pulls the elastic rod 603 fixedly connected to it under the action of centripetal force, resulting in movement, thereby increasing the pressure in the hydraulic chamber 601, driving the push plate 605 slidingly connected to the piston of the hydraulic chamber 601 to move, so that the push plate 605 squeezes the power gear rod 606, and the power gear rod 606 moves, which can drive the gear 609 meshing with it to rotate, so that the gear 609 drives the rotating shaft 608 fixedly connected to it to rotate, and the rotating shaft 608 then drives the protective shell 610 fixedly connected to it to rotate, and the protective shell 610 rotates to the screw installation position to protect the screw.

[0036] To further improve the stability of protection, please refer to Figure 1-Figure 6 As shown in the figure, an adsorption assembly 700 is arranged on the outside of the protective shell 610, and the adsorption assembly 700 includes an air pressure chamber 701. The protective shell 610 is provided with a through opening, and the cross-sectional shape of the opening on the protective shell 610 is the same as the cross-sectional shape of the air pressure chamber 701. An air bag 702 is fixedly connected to one end of the air pressure chamber 701, and the air bag 702 is located on the inner wall of the protective shell 610. When the protective shell 610 rotates for protection, the air bag 702 is squeezed by the screw, and the gas in the air bag 702 is immediately passed into the air pressure chamber 701 fixedly connected thereto, so that the pressure in the air pressure chamber 701 increases. The other end of the air pressure chamber 701 is slidably connected to a push rod 703, and the side of the push rod 703 away from the air pressure chamber 701 is fixedly connected to a suction cup 704. When the pressure in the air pressure chamber 701 increases, the push rod 703 that is slidably connected to the piston of the air pressure chamber 701 can be driven to move, so that the push rod 703 drives the suction cup 704 fixedly connected thereto to move toward the base 100 for adsorption, thereby further improving the stability during protection.

[0037] During use, when the protective shell 610 rotates for protection, the airbag 702 is squeezed by the screw, and the gas in the airbag 702 is immediately passed into the air pressure chamber 701 fixedly connected thereto, so that the pressure in the air pressure chamber 701 increases, driving the push rod 703 slidingly connected to the piston of the air pressure chamber 701 to move, so that the push rod 703 drives the suction cup 704 fixedly connected thereto to move toward the base 100 for adsorption.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A jaw crusher convenient for internal maintenance, comprising a base (100), a servo motor (200) being fixedly mounted on the top of the base (100), a driving frame (300) being drivingly connected to the side of the servo motor (200), a movable jaw plate (400) being drivingly connected to the front end of the driving frame (300), and a fixed jaw plate (500) being connected to the top of the base (100) by bolts; Features: A protective assembly (600) is arranged on the top of the base (100), and the protective assembly (600) comprises a hydraulic chamber (601) and a fixed plate (602). The inner wall of the hydraulic chamber (601) is connected to a power plate (604) by means of an elastic rod (603). The outer piston of the hydraulic chamber (601) is slidably connected to a push plate (605). The outer side of the base (100) is slidably connected to a power gear rod (606) by means of a slide rail. The side of the power gear rod (606) is fixedly connected to a spring (607). The outer side of the base (100) is rotatably connected to a rotating shaft (608). The top of the rotating shaft (608) is fixedly connected to a gear (609). The outer side of the rotating shaft (608) is fixedly connected to a protective shell (610).

2. A jaw crusher convenient for internal maintenance according to claim 1, characterized in that: The power gear rod (606) is located at the side of the push plate (605), and the power gear rod (606) is in contact with the push plate (605).

3. A jaw crusher convenient for internal maintenance according to claim 1, characterized in that: The gear (609) is located at the rear end of the power gear rod (606), and the gear (609) and the power gear rod (606) are in meshing state.

4. A jaw crusher convenient for internal maintenance according to claim 1, characterized in that: An adsorption assembly (700) is arranged on the outside of the protective shell (610), and the adsorption assembly (700) includes an air pressure chamber (701), one end of the air pressure chamber (701) is fixedly connected to an air bag (702), the other end of the air pressure chamber (701) is slidably connected to a push rod (703), and the side of the push rod (703) away from the air pressure chamber (701) is fixedly connected to a suction cup (704).

5. A jaw crusher convenient for internal maintenance according to claim 4, characterized in that: The protective shell (610) is provided with a through opening, and the cross-sectional shape of the opening on the protective shell (610) is the same as the cross-sectional shape of the air pressure chamber (701).

6. The jaw crusher convenient for internal maintenance according to claim 4, characterized in that: The air bag (702) is located on the inner wall of the protective shell (610).

Images