Crawler chassis arrangement for a crushing scraper

Abstract

A kind of track chassis device for breaking scraper, include the frame part I (11) for being supported as one side movement therein, the frame part II (12) for being supported as another side movement therein, screw nut part I (13) is arranged between frame part I (11) and frame part II (12), by frame part I (11) and frame part II (12), it is realized to carry out track chassis body assembly, by screw nut part I (13), it is realized to frame part I (11) and frame part II (12) are arranged bolt nut butt joint connection, it is realized to be assembled by the movement chassis of split body and obtain super-width movement support carrier, solve the overall frame of being limited in width to use, therefore meet the movement support carrier needs in super-wide mining face.

Description

Technical Field

[0001] This utility model relates to a tracked chassis device, and more particularly to a tracked chassis device for a crusher and loader. Background Technology

[0002] A crusher-loader is a mining equipment used in narrow underground operations such as mines and tunnels. It is widely used in the excavation, conveying, and loading of minerals and materials such as phosphate, iron, and coal. The tracked chassis is used to mount the working components; therefore, the tracked chassis device for a crusher-loader is an important mining component. Currently, most tracked chassis devices for crusher-loaders use a solid frame, which, due to the width limitation of the solid frame, cannot meet the needs of ultra-wide mining faces. This invention utilizes the technical feature of assembling an ultra-wide motion support carrier from a split motion chassis, effectively exploring and researching the technical problem of using a single frame that is limited in width. The statements herein provide only background information related to this utility model and do not necessarily constitute prior art. Based on the technical disclosure provided by the applicant on June 14, 2025, which addresses practical technical problems encountered during the work process, and the existing technical problems, technical features, and technical effects in similar patent documents and background information obtained through retrieval, the technical solution of this invention is proposed. Summary of the Invention

[0003] The subject of this utility model is a tracked chassis device for a crusher and loader.

[0004] In order to overcome the above-mentioned technical shortcomings, the purpose of this utility model is to provide a tracked chassis device for a crushing and loading machine, thus meeting the needs of a motion support carrier in ultra-wide mining operations.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: it includes a frame part I for serving as a moving support on one side, a frame part II for serving as a moving support on the other side, and a screw and nut part I disposed between the frame part I and the frame part II.

[0006] By designing Frame I, Frame II, and Screw and Nut I, the tracked chassis body can be assembled through Frame I and Frame II, and the Screw and Nut I enables the connection of Frame I and Frame II by arranged bolts and nuts. This allows for the assembly of an ultra-wide motion support carrier from separate motion chassis, solving the problem of using an integral frame that is limited by width, and thus meeting the needs of motion support carriers in ultra-wide mining operations.

[0007] This utility model is designed to connect the frame part I, frame part II, and screw and nut part I to each other in a way that is assembled from separate motion chassis to obtain an ultra-wide motion support carrier.

[0008] This utility model is designed to connect the screw nut part I with the frame part I and the frame part II by means of arranged bolt and nut butt connection.

[0009] The technical effects of the above two technical solutions are: highlighting the technical feature of assembling an ultra-wide motion support carrier from a split motion chassis, and introducing its application in the technical field of tracked chassis devices used in crusher loading machines.

[0010] This utility model is designed to include a first accessory device, which is disposed on the frame part I and the frame part II. The first accessory device is configured to include ear seat part I, ear seat part II, ear seat part III and ear seat part IV.

[0011] This utility model is designed to include a second accessory device, which is disposed on the frame part I and the frame part II. The second accessory device is configured to include a platform part I and a platform part II.

[0012] The technical effect of the above two technical solutions is that they enable the integrated installation of other components and expand the technical effect of this utility model.

[0013] This utility model is designed with ear seat part I, ear seat part III and platform part I respectively provided on frame part I, ear seat part II, ear seat part IV and platform part II respectively provided on frame part II, and a screw and nut part I provided between frame part I and frame part II.

[0014] The technical effect of the above technical solution is that the basic technical solution of this utility model is formed by the frame part I, the frame part II, the screw and nut part I, the ear part I, the ear part II, the platform part I, the platform part II, the ear part III, and the ear part IV, which solves the technical problem of this utility model.

[0015] This utility model designs a frame-like body with a tracked walking system and a connecting disc on the longitudinal end face, respectively. The longitudinal part of the frame part I is connected to the longitudinal part of the frame part II via a screw and nut part I. The right side of the longitudinal part of the frame part I is connected to the inner end face of the lug part I, and the left side of the longitudinal part of the frame part I is connected to the inner end face of the lug part III. The right side of the longitudinal part of the frame part II is connected to the inner end face of the lug part II, and the left side of the longitudinal part of the frame part II is connected to the inner end face of the lug part IV. The upper end face of the frame part I is connected to the lower end face of the platform part I, and the upper end face of the frame part II is connected to the lower end face of the platform part II. The hydraulic ports of the tracked walking system of the frame part I and the tracked walking system of the frame part II are respectively connected to the hydraulic device of the crusher and loader.

[0016] The technical effect of the above solution is that it enables docking and assembly of dual-tracked chassis.

[0017] This utility model is designed such that the screw of the screw nut part I is a hexagonal bolt and the nut of the screw nut part I is a hexagonal nut. The screw of the screw nut part I is respectively configured to be connected through the frame part I and the frame part II. The screw flange of the screw nut part I is configured to be connected in contact with the frame part II. The nut of the screw nut part I is configured to be connected in contact with the frame part I.

[0018] The technical effect of the above technical solution is that it enables the bolt and nut to be connected in one piece.

[0019] This utility model is designed such that ear seat part I and ear seat part II are respectively configured as double plate ear seats, and the inner end face of ear seat part I is configured to be connected to frame part I, and the inner end face of ear seat part II is configured to be connected to frame part II. Furthermore, ear seat part I and ear seat part II are respectively configured to be connected to lifting telescopic cylinders via pins.

[0020] This utility model is designed such that ear seat part III and ear seat part IV are respectively configured as single-plate ear seats, and the inner end face of ear seat part III is configured to be connected to frame part I, and the inner end face of ear seat part IV is configured to be connected to frame part II. Furthermore, ear seat part III and ear seat part IV are respectively configured to be connected to the conveying trough via pins.

[0021] The technical effect of the above two solutions is that they enable the ear base to be supported and connected.

[0022] This utility model is designed such that platform part I and platform part II are respectively configured as strip seats, with the lower end face of platform part I being connected to frame part I, the lower end face of platform part II being connected to frame part II, and the upper end face of platform part I located on the left side being connected to the cab, the upper end face of platform part I located on the right side being connected to the power compartment, and the upper end face of platform part II being connected to the conveyor trough in contact.

[0023] The technical effect of the above solution is that it enables the support and connection of the platform body.

[0024] This utility model is designed such that the frame part I and the frame part II are arranged to be connected to the screw and nut part I in a middle manner, and the frame part I, the frame part II and the screw and nut part I are arranged to be ...

[0025] This utility model designs a screw and nut section I, which are respectively arranged at intervals along the longitudinal contact surfaces of the frame section I and the frame section II. The screw of the screw and nut section I is respectively connected to the connecting disc of the frame section I and the connecting disc of the frame section II through the screw. The screw flange of the screw and nut section I is connected to the outer surface of the connecting disc of the frame section II in contact. The inner end face of the nut of the screw and nut section I is connected to the outer surface of the connecting disc of the frame section I in contact. The platform section I is arranged at intervals along the transverse center line of the frame section I, and the platform section II is arranged at intervals along the transverse center line of the frame section II.

[0026] In this technical solution, the power compartment is configured as an integrated box-shaped body containing a fuel engine, a drive motor, a clutch, and a hydraulic device; the conveying trough is configured as a cylindrical trough with a scraper conveyor; and the cab is configured as an offset cab with control valves.

[0027] In this technical solution, the assembly of the ultra-wide motion support carrier, which is obtained by assembling the separate motion chassis, is achieved by the screw and nut part I.

[0028] In this technical solution, the key technical feature is the assembly of the frame I, frame II, and screw and nut I of the ultra-wide motion support carrier from the separate motion chassis. In the technical field of tracked chassis devices for crusher loaders, this solution is novel, inventive, and practical. The terminology used in this technical solution can be explained and understood using patent literature in this technical field. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of one of the first embodiments of the present utility model. Figure 2 for Figure 1 The main view, Figure 3 for Figure 1 The right view, Frame I-11, Frame II-12, Screw and Nut I-13, Ear Seat I-14, Ear Seat II-10, Platform I-15, Platform II-16, Ear Seat III-17, Ear Seat IV-18. Detailed Implementation

[0031] According to the examination guidelines, terms such as “having,” “comprising,” and “including” used in this invention should be understood as not dispensing the presence or addition of one or more other elements or combinations thereof.

[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other. In addition, unless otherwise specified, the equipment and materials used in the following embodiments are commercially available. If the processing conditions are not explicitly stated, please make improvements according to conventional methods in the field.

[0035] 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.

[0036] Figure 1 As one of the first embodiments of this utility model, this embodiment is described in detail with reference to the accompanying drawings. It includes a frame part I11, a frame part II12, a screw and nut part I13, an ear seat part I14, an ear seat part II10, a platform part I15, a platform part II16, an ear seat part III17, and an ear seat part IV18. The ear seat part I14, the ear seat part III17, and the platform part I15 are respectively provided on the frame part I11, and the ear seat part II10, the ear seat part IV18, and the platform part II16 are respectively provided on the frame part II12. The screw and nut part I13 is provided between the frame part I11 and the frame part II12.

[0037] The second embodiment of the present invention will be described in detail with reference to the accompanying drawings. In this embodiment, frame part I11 and frame part II12 are respectively configured as a walking frame with a tracked walking system and a connecting disc on the longitudinal end face. The longitudinal part of frame part I11 is connected to the longitudinal part of frame part II12 via a screw and nut part I13. The right side of the longitudinal part of frame part I11 is connected to the inner end face of the lug part I14, and the left side of the longitudinal part of frame part I11 is connected to the inner end face of the lug part III17. The right side of the longitudinal part of frame part II12 is connected to the lug part III17. The inner end face of Ⅱ10 is connected, and the left side of the longitudinal part of frame Ⅱ12 is connected to the inner end face of ear seat Ⅳ18. The upper end face of frame Ⅰ11 is connected to the lower end face of platform Ⅰ15, and the upper end face of frame Ⅱ12 is connected to the lower end face of platform Ⅱ16. The hydraulic port of the track walking system of frame Ⅰ11 and the hydraulic port of the track walking system of frame Ⅱ12 are respectively connected to the hydraulic device of the crusher and loader.

[0038] The support connection points for the screw nut part I13, lug part I14, lug part II10, platform part I15, platform part II16, lug part III17, and lug part IV18 are formed by the frame part I11 and the frame part II12. The frame part I11 and the frame part II12 realize the connection with the screw nut part I13, the frame part I11 realizes the connection with the lug part I14, the platform part I15, and the lug part III17, and the frame part II12 realizes the connection with the lug part II10, the platform part II16, and the lug part IV18. Its technical purpose is to serve as a support carrier for the lug part I14, lug part II10, platform part I15, platform part II16, lug part III17, and lug part IV18.

[0039] In this embodiment, the screw of the screw nut part I13 is a hexagonal bolt and the nut of the screw nut part I13 is a hexagonal nut. The screw of the screw nut part I13 is respectively configured to be connected through the frame part I11 and the frame part II12, and the screw flange of the screw nut part I13 is configured to be connected in contact with the frame part II12. The nut of the screw nut part I13 is configured to be connected in contact with the frame part I11.

[0040] The screw and nut part I13 forms a support connection point for the frame part I11 and the frame part II12. The screw and nut part I13 realizes the connection with the frame part I11 and the frame part II12. Its technical purpose is to serve as a component for connecting the frame part I11 and the frame part II12.

[0041] In this embodiment, ear seat part I14 and ear seat part II10 are respectively configured as double plate ear seats, and the inner end face of ear seat part I14 is configured to be connected to frame part I11, the inner end face of ear seat part II10 is configured to be connected to frame part II12, and ear seat part I14 and ear seat part II10 are respectively configured to be connected to lifting telescopic cylinder via pins.

[0042] The ear seat I14 and ear seat II10 form a support connection point for the frame I11 and frame II12. The ear seat I14 is connected to the frame I11, and the ear seat II10 is connected to the frame II12. Its technical purpose is to serve as a support carrier for the lifting telescopic cylinder.

[0043] In this embodiment, ear seat portion III17 and ear seat portion IV18 are respectively configured as single-plate ear seats, and the inner end face of ear seat portion III17 is configured to be connected to frame portion I11, the inner end face of ear seat portion IV18 is configured to be connected to frame portion II12, and ear seat portion III17 and ear seat portion IV18 are respectively configured to be connected to the conveying trough via pins.

[0044] The ear bases Ⅲ17 and Ⅳ18 form support connection points for the frame Ⅰ11 and frame Ⅱ12. The ear base Ⅲ17 connects to the frame Ⅰ11, and the ear base Ⅳ18 connects to the frame Ⅱ12. The technical purpose is to serve as a support carrier for the conveying trough.

[0045] In this embodiment, platform I 15 and platform II 16 are respectively configured as strip seats, with the lower end face of platform I 15 connected to frame I 11, the lower end face of platform II 16 connected to frame II 12, the upper end face of platform I 15 located on the left side connected to the cab, the upper end face of platform I 15 located on the right side connected to the power compartment, and the upper end face of platform II 16 connected to the conveyor trough in contact.

[0046] Platform section I15 and platform section II16 form support connection points for frame section I11 and frame section II12. Platform section I15 is connected to frame section I11, and platform section II16 is connected to frame section II12. Its technical purpose is to serve as a support carrier for the cab, power compartment and conveying trough.

[0047] In this embodiment, frame I11 and frame II12 are arranged to be connected to screw and nut I13 in a middle-joint manner, and frame I11, frame II12, and screw and nut I13 are arranged to be connected to lug I14, lug II10, lug III17, and lug IV18 in a side-mounted position. Frame I11, frame II12, and screw and nut I13 are arranged to be connected to platform I15 and platform II16 in an upper-mounted position. Screw and nut I13 are respectively arranged to contact frame I11 and frame II12 longitudinally. The screws of the screw and nut part I13 are arranged at intervals, and the screws of the screw and nut part I13 are respectively configured to be connected through the connecting disc of the frame part I11 and the connecting disc of the frame part II12. The screw flange of the screw and nut part I13 is configured to be connected in contact with the outer surface of the connecting disc of the frame part II12. The inner end face of the nut of the screw and nut part I13 is configured to be connected in contact with the outer surface of the connecting disc of the frame part I11. The platform part I15 is arranged at intervals along the transverse center line of the frame part I11, and the platform part II16 is arranged at intervals along the transverse center line of the frame part II12.

[0048] The method of use in this embodiment is as follows: Align the longitudinal end faces of frame I11 and frame II12 together. Connect the screw of screw nut I13 through the connecting disc of frame I11 and the connecting disc of frame II12. Rotate the nut of screw nut I13 on the screw, causing the flange of screw nut I13 to act on the outer surface of the connecting disc of frame II12. Simultaneously, the inner end face of the nut of screw nut I13 acts on the outer surface of the connecting disc of frame I11, thereby assembling frame I11 and frame II12 into a single unit for conveying materials. One of the lugs of the trough is connected to lug part III17 and lug part IV18 respectively via pins. One end of the lifting telescopic cylinder is connected to lug part I14 and lug part II10 respectively via pins. The other end of the lifting telescopic cylinder is connected to one of the lugs of the conveying trough via pins. The cab is installed on the upper end face of the plate part I15 located on the left side. The power compartment is installed on the upper end face of the platform part I15 located on the right side. The hydraulic ports of the track walking system of frame part I11 and the hydraulic ports of the track walking system of frame part II12 are connected to the hydraulic device of the crusher and loader through high-pressure hydraulic pipes.

[0049] In verifying this utility model, the inventors abandoned the existing technical features of using a single frame limited by width, and first proposed a technical feature of assembling an ultra-wide motion support carrier from separate motion chassis. This resulted in the first unexpected technical effect: optimized manufacturing of the steel frame, improving the manufacturing efficiency of the tracked chassis device. The second unexpected technical effect: improved motion performance of the tracked chassis device through assembly of frame I11 and frame II12 and the movement of the dual tracks. The third unexpected technical effect: optimized the connection operation by achieving an integrated connection of frame I11 and frame II12 via screw and nut I13. This improved the connection strength between frame I11 and frame II12, resulting in a fourth unexpected technical effect: pin-type connection via ear base I14, ear base II10, ear base III17, and ear base IV18 was achieved, improving the connection effect with other functional components, resulting in a fifth unexpected technical effect: end-face connection via platform I15 and platform II16 was achieved, improving the connection strength with other functional components, resulting in a sixth unexpected technical effect: the separate manufacturing of frame I11 and frame II12 optimized the configuration structure of frame I11 and frame II12, expanded its application on crusher loading machines of different specifications, and improved the efficiency of narrow tunnel mining operations.

[0050] In the second embodiment of this utility model, the frame part I11, the frame part II12, and the screw and nut part I13 are connected to each other in a manner that the ultra-wide motion support carrier is obtained by assembling the split motion chassis.

[0051] In this embodiment, the screw nut part I13 is connected to the frame part I11 and the frame part II12 in a manner that involves a series of bolt and nut mating connections.

[0052] In this embodiment, a first accessory device is also included and is disposed on the frame portion I 11 and the frame portion II 12. The first accessory device is configured to include ear seat portion I 14, ear seat portion II 10, ear seat portion III 17 and ear seat portion IV 18.

[0053] In this embodiment, a second accessory device is also included and is disposed on the frame portion I11 and the frame portion II12. The second accessory device is configured to include a platform portion I15 and a platform portion II16.

[0054] The second embodiment of this utility model is based on the first embodiment.

[0055] This utility model has the following features: 1. Due to the design of frame I11, frame II12 and screw and nut I13, the tracked chassis body is assembled through frame I11 and frame II12, and the bolt and nut I13 enables the connection of frame I11 and frame II12 by arranged bolts and nuts. This allows for the assembly of an ultra-wide motion support carrier from separate motion chassis, solving the problem of using an integral frame that is limited by width. Therefore, it meets the needs of motion support carriers in ultra-wide mining operations.

[0056] 2. Due to the design of ear base part I14, ear base part II10, ear base part III17 and ear base part IV18, the ear base body can be externally connected.

[0057] 3. Due to the design of platform section I15 and platform section II16, the platform body can be externally connected.

[0058] 4. Because the design limits the numerical range of the structural shape, the numerical range is a technical feature in the technical solution of this utility model, and is not a technical feature obtained by formula calculation or a limited number of experiments. The experiment shows that the technical feature of the numerical range has achieved very good technical effect.

[0059] 5. Due to the design of the technical features of this utility model, and the combined effect of the individual and collective technical features, experiments have shown that the performance indicators of this utility model are at least 1.7 times that of existing performance indicators, and it has been evaluated that it has great market value.

[0060] Other technical features that connect the frame part I11, frame part II12 and screw and nut part I13 of the ultra-wide motion support carrier, which are assembled from the split motion chassis, are also embodiments of this utility model. Furthermore, the technical features of the above embodiments can be combined arbitrarily. In order to meet the requirements of the Patent Law, the Patent Implementation Regulations and the Examination Guidelines, all possible combinations of the technical features in the above embodiments will not be described.

[0061] Therefore, in the technical field of tracked chassis devices for crushing and loading machines, any technical content that includes a frame part I11 for supporting movement on one side, a frame part II12 for supporting movement on the other side, and a screw and nut part I13 disposed between the frame part I11 and the frame part II12 is within the protection scope of this utility model.

Claims

1. A tracked chassis device for a crusher loader, characterized in that: It includes a frame part I (11) for supporting movement on one side, a frame part II (12) for supporting movement on the other side, and a screw and nut part I (13) disposed between the frame part I (11) and the frame part II (12).

2. The tracked chassis device for a crusher and loader according to claim 1, characterized in that: The frame I (11), frame II (12), and screw and nut I (13) are connected to each other in a manner that assembles the split motion chassis to obtain an ultra-wide motion support carrier.

3. The tracked chassis device for a crusher and loader according to claim 2, characterized in that: The screw nut part I (13) is connected to the frame part I (11) and the frame part II (12) in a manner that uses a bolt and nut connection.

4. The tracked chassis device for a crusher and loader according to claim 1, characterized in that: It also includes a first accessory device and is disposed on frame I (11) and frame II (12). The first accessory device is configured to include ear seat I (14), ear seat II (10), ear seat III (17) and ear seat IV (18). Alternatively, it may also include a second accessory device and the second accessory device is provided on the frame part I (11) and the frame part II (12), the second accessory device being configured to include the table part I (15) and the table part II (16).

5. The tracked chassis device for a crusher and loader according to claim 4, characterized in that: in The frame part I (11) is provided with ear seat part I (14), ear seat part III (17) and platform part I (15), and the frame part II (12) is provided with ear seat part II (10), ear seat part IV (18) and platform part II (16), and a screw and nut part I (13) is provided between the frame part I (11) and the frame part II (12).

6. The tracked chassis device for a crusher and loader according to claim 5, characterized in that: Frame I (11) and Frame II (12) are respectively configured as walking frame bodies with tracked walking systems and connecting discs on the longitudinal end faces. The longitudinal part of Frame I (11) is connected to the longitudinal part of Frame II (12) via screw and nut part I (13). The right side of the longitudinal part of Frame I (11) is connected to the inner end face of lug part I (14), and the left side of the longitudinal part of Frame I (11) is connected to the inner end face of lug part III (17). The right side of the longitudinal part of Frame II (12) is connected to the lug part. The inner end face of part II (10) is connected and the left side of the longitudinal part of frame part II (12) is connected to the inner end face of ear seat part IV (18). The upper end face of frame part I (11) is connected to the lower end face of platform part I (15) and the upper end face of frame part II (12) is connected to the lower end face of platform part II (16). The hydraulic port of the track walking system of frame part I (11) and the hydraulic port of the track walking system of frame part II (12) are respectively connected to the hydraulic device of the crusher and loader.

7. The tracked chassis device for a crusher and loader according to claim 5, characterized in that: The screw of the screw nut part I (13) is a hexagonal bolt and the nut of the screw nut part I (13) is a hexagonal nut. The screw of the screw nut part I (13) is respectively connected to the frame part I (11) and the frame part II (12) through the bolt. The flange of the screw of the screw nut part I (13) is connected to the frame part II (12) in contact. The nut of the screw nut part I (13) is connected to the frame part I (11) in contact.

8. The tracked chassis device for a crusher and loader according to claim 5, characterized in that: Ear seat I (14) and ear seat II (10) are respectively configured as double-plate ear seats, and the inner end face of ear seat I (14) is configured to be connected to frame I (11), and the inner end face of ear seat II (10) is configured to be connected to frame II (12). Ear seat I (14) and ear seat II (10) are respectively configured to be connected to the lifting telescopic cylinder via pins. Alternatively, ear seat part Ⅲ (17) and ear seat part Ⅳ (18) are respectively configured as single-plate ear seats, and the inner end face of ear seat part Ⅲ (17) is configured to be connected to frame part Ⅰ (11), the inner end face of ear seat part Ⅳ (18) is configured to be connected to frame part Ⅱ (12), and ear seat part Ⅲ (17) and ear seat part Ⅳ (18) are respectively configured to be connected to the conveying trough by a pin.

9. The tracked chassis device for a crusher and loader according to claim 5, characterized in that: Platform section I (15) and platform section II (16) are respectively configured as strip seats, and the lower end face of platform section I (15) is configured to be connected to frame section I (11), the lower end face of platform section II (16) is configured to be connected to frame section II (12), and the upper end face of platform section I (15) located on the left side is configured to be connected to the cab, the upper end face of platform section I (15) located on the right side is configured to be connected to the power compartment, and the upper end face of platform section II (16) is configured to be connected to the conveyor trough in contact.

10. The tracked chassis device for a crusher and loader according to any one of claims 1 to 9, characterized in that: Frame I (11) and Frame II (12) are arranged with screw and nut I (13) in a middle-joined manner. Frame I (11), Frame II (12) and Screw and nut I (13) are arranged with lug I (14), Lug II (10), Lug III (17) and Lug IV (18) in a side-mounted manner. Frame I (11), Frame II (12) and Screw and nut I (13) are arranged with platform I (15) and platform II (16) in an upper-mounted manner. Alternatively, the screw and nut parts I (13) are arranged at intervals along the longitudinal contact surfaces of the frame parts I (11) and II (12), respectively. The screw of the screw and nut parts I (13) is connected through the connecting disc of the frame parts I (11) and the connecting disc of the frame parts II (12), respectively. The screw flange of the screw and nut parts I (13) is connected in contact with the outer side of the connecting disc of the frame parts II (12). The inner end face of the nut of the screw and nut parts I (13) is connected in contact with the outer side of the connecting disc of the frame parts I (11). The platform parts I (15) are arranged at intervals along the transverse center line of the frame parts I (11), and the platform parts II (16) are arranged at intervals along the transverse center line of the frame parts II (12).

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