Rear rack of heading machine for coal mine

Abstract

The utility model relates to the technical field of coal mining equipment, and discloses a coal mine heading machine rear rack which comprises a bottom frame, a first side plate is fixed on the left side of the bottom frame, a mounting plate is fixed at the top end of the bottom frame, a first supporting plate is transversely fixed at the front end of the top of the mounting plate, and a second supporting plate is transversely fixed at the rear end of the top of the mounting plate. A second side plate is fixed to the right side of the bottom frame, side seats are fixed to the two ends of the mounting plate respectively, an inner frame is arranged between the first supporting plate and the second supporting plate, and supporting frames are welded and fixed to the two sides of the inner frame respectively. When the rear rack of the heading machine for the coal mine is installed and used, the supporting frame and the inner frame are fixedly installed between the first supporting plate and the second supporting plate on the inner side of the rear rack through the fixing bolts, the supporting frame and the inner frame can be used for conducting auxiliary inner supporting reinforcement on the inner structure of the rack, and the use strength of the inner structure of the rear rack is improved; the problem that an internal structure of a rear rack cannot be conveniently subjected to auxiliary supporting and strengthening is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining equipment technical field, concretely is a rear frame. BACKGROUND

[0002] The coal mine tunneling machine is a kind of mechanical equipment for coal mining, mainly used for digging straight roadway in coal mine, widely used in coal mining, mining and tunnel excavation etc., the main structure of coal mine tunneling machine is mainly composed of front frame and rear frame and track frame for installing track assembly etc., wherein front frame and rear frame as the main frame of tunneling machine, have vital role.But the rear frame assembly of some coal mine tunneling machine in the installation and use process, rear frame internal structure is weak, internal structure support strength is insufficient, prone to deformation condition, affect the overall structure of rear frame, do not have the measure of auxiliary support reinforcement to rear frame internal structure.

[0003] Now, a new type of coal mine tunneling machine rear frame is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of coal mine tunneling machine rear frame to solve the problem of not being convenient for auxiliary support reinforcement to rear frame internal structure in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of coal mine tunneling machine rear frame, including chassis, the left side of the chassis is fixed with side plate one, the top of the chassis is fixed with mounting plate, and the front end of the top of mounting plate is fixed with support plate one transversely, the rear end of the top of mounting plate is fixed with support plate two transversely, the right side of the chassis is fixed with side plate two, the both ends of the mounting plate are respectively fixed with side seat, support plate one and support plate two are provided with inner frame, and the both sides of inner frame are respectively welded with support frame, the both ends of support frame are respectively welded with connecting plate, the both sides of the rear end of front connecting plate and the both sides of the front end of rear connecting plate are respectively provided with fixed bolt, the both sides of the bottom of rear end of support plate one and the both sides of the bottom of front end of support plate two are respectively provided with screw hole.

[0006] As a further technical scheme of the utility model, the support frame is symmetrically arranged about the vertical center line of the inner frame.

[0007] As a further technical scheme of the utility model, the fixed bolt penetrates the inside of connecting plate and is threadedly connected in the screw hole.

[0008] As a further technical scheme of the utility model, the top of the support plate one and the support plate two is provided with an outer cover, and the two ends of the top of the outer cover are respectively provided with mounting bolts, the two ends of the top of the mounting plate are respectively vertically fixed with supports, and the inner parts of the two sides of the top end of the support are respectively provided with threaded bores.

[0009] As a further technical scheme of the utility model, the mounting bolts are respectively provided with two groups at the two ends of the top of the outer cover.

[0010] As a further technical scheme of the utility model, the bottom end of the mounting bolt penetrates the inside of the top end of the outer cover and is threadedly connected in the threaded bore.

[0011] As a further technical scheme of the utility model, the side plate one, the chassis, the mounting plate, the support plate one, the side plate two and the side seat are respectively provided with anticorrosive coating.

[0012] As a further technical scheme of the utility model, the top of the front end of the side seat is provided with a mounting hole one, the bottom of the front end of the side seat is provided with a mounting hole two, the two sides of the front end of the top of the mounting plate are respectively fixed with fixed plates one, the two sides of the rear end of the top of the mounting plate are respectively fixed with fixed plates two, and the top between the support plate one and the support plate two is fixed with a top plate.

[0013] Compared with the prior art, the utility model has the advantages that the rear rack of the coal mine heading machine not only realizes the auxiliary support and reinforcement of the internal structure of the rear rack, the anti-collision protection of the outside of the rack assembly, and the anticorrosive protection of the rear rack components.

[0014] (1) By setting up the side plate one, the chassis, the mounting plate, the support plate one, the side plate two, the side seat, the support plate two, the support frame, the inner frame, the fixed bolt, the connecting plate and the screw hole, the rear rack is fixed between the support plate one and the support plate two in the rear rack by the fixed bolt, the support frame and the inner frame can assist the internal support and reinforcement of the rack structure, and the use strength of the internal structure of the rear rack is improved.

[0015] (2) By setting up the chassis, the support plate one, the mounting plate, the outer cover, the mounting bolt, the support, the threaded bore and the support plate two, the outer cover is fixed on the top outside of the rack by the mounting bolt when the rear rack is used, the fixed outer cover can assist the outer cover anti-collision protection of the top assembly outside of the rack, and the deformation damage of the rear rack assembly can be reduced.

[0016] (3) through the setting has side plate one, chassis, mounting plate, branch plate one, side plate two, anticorrosive coating, branch plate two and side seat, rear frame installation uses, the outside of frame assembly respectively sprays the setting has zinc material anticorrosive coating, utilizes anticorrosive coating and can cover the exposed surface of assembly, can reduce the exposed oxidation corrosion condition of assembly surface, anticorrosive rust prevention, prolongs the service life of rear frame. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view sectional structure schematic diagram of the utility model;

[0018] Figure 2 It is the mounting plate overhead structure schematic diagram of the utility model;

[0019] Figure 3 It is the A place enlarged structure schematic diagram in the utility model Figure 2

[0020] Figure 4 It is the three-dimensional structure schematic diagram of the utility model.

[0021] In the drawing: 1, side plate one;2, chassis;3, mounting plate;4, branch plate one;5, outer cover;6, mounting bolt;7, support;8, threaded hole;9, fixed plate one;10, mounting hole one;11, side plate two;12, anticorrosive coating;13, mounting hole two;14, side seat;15, branch plate two;16, fixed plate two;17, support frame;18, inner frame;19, top plate;20, fixed bolt;21, connecting plate;22, screw hole. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 ​The utility model provides an embodiment: a coal mine is with tunneling machine rear frame, including the chassis 2, the left side fixed side board no. 1 of chassis 2, the top of chassis 2 is fixed with mounting plate 3, and the front end transversely fixed with support plate no. 4 in the top of mounting plate 3, the rear end transversely fixed with support plate no. 2 15 in the top of mounting plate 3, the right side fixed side board no. 11 of chassis 2, the both ends of mounting plate 3 are fixed with side seat 14 respectively, be provided with inner frame 18 between support plate no. 4 and support plate no. 2 15, and the both sides of inner frame 18 are welded fixed with support frame 17 respectively, the both ends of support frame 17 are welded fixed with connecting plate 21 respectively, the both sides of front connecting plate 21 rear end and rear connecting plate 21 front end are provided with fixed bolt 20 respectively, the both sides of support plate no. 4 rear end bottom and support plate no. 2 15 front end bottom are provided with screw hole 22 respectively,

[0024] Support frame 17 is symmetrically arranged about the vertical center line of inner frame 18, and fixed bolt 20 penetrates the inside of connecting plate 21 and is threadedly connected in screw hole 22;

[0025] Specifically, as shown in the figure, Figures 1-4 The rear frame inside support plate no. 4 and support plate no. 2 15 are fixed by fixed bolt 20, and the inside structure of the frame can be assisted by support frame 17 and inner frame 18. The inside structure is improved in use strength.

[0026] The top of support plate no. 4 and support plate no. 2 15 is provided with outer cover 5, and the both ends of the top of outer cover 5 are provided with mounting bolt 6 respectively, the both ends of the top of mounting plate 3 are vertically fixed with support 7 respectively, and the inside of the both sides of the top of support 7 is provided with threaded hole 8 respectively, two groups of mounting bolt 6 are arranged on the both ends of the top of outer cover 5 respectively, and the bottom of mounting bolt 6 penetrates the inside of the top of outer cover 5 and is threadedly connected in threaded hole 8;

[0027] Specifically, as shown in the figure, Figures 1-3 The top of the frame is fixed by mounting bolt 6. The fixed outer cover 5 can assist the outer cover of the top assembly of the frame in anti-collision protection.

[0028] Corrosion-resistant coating 12 is respectively sprayed on side plate no. 1, chassis 2, mounting plate 3, support plate no. 4, side plate no. 11 and side seat 14;

[0029] Specifically, as shown in the figure, Figures 1-3 Zinc corrosion-resistant coating 12 is respectively sprayed on the outer side of the frame assembly. The exposed surface of the assembly can be covered by using corrosion-resistant coating 12, which can reduce the exposure of the surface of the assembly to oxidation and corrosion, and prevent corrosion and rust.

[0030] The top of the front end of the side seat 14 is provided with a mounting hole one 10, the bottom of the front end of the side seat 14 is provided with a mounting hole two 13, the top of the front end of the mounting plate 3 is fixed with a fixed plate one 9 on both sides respectively, the top of the rear end of the mounting plate 3 is fixed with a fixed plate two 16 on both sides respectively, and the top between the support plate one 4 and the support plate two 15 is fixed with a top plate 19.

[0031] Working principle: when the rear rack is installed and used, the fixed bolt 20 is installed and fixed between the support plate one 4 and the support plate two 15 on the inner side of the rear rack, the support frame 17 and the inner frame 18 can assist in the internal support of the internal structure of the rack, at the same time, the outer cover 5 is installed and fixed on the outer side of the top of the rack by the mounting bolt 6, the fixed and installed outer cover 5 can assist in the outer cover anti-collision protection of the outer side of the top component of the rack, the deformation damage of the rear rack component can be reduced, and the zinc anticorrosive coating 12 is sprayed and arranged on the outer side of the rack component respectively, the exposed oxidation corrosion condition of the surface of the component can be reduced, and the anticorrosion and rust prevention are realized.

[0032] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

Claims

1. A machine rear frame for a coal mine heading machine, comprising a chassis (2), characterised in that: The left side of the chassis (2) is fixed with a side plate one (1), the top end of the chassis (2) is fixed with a mounting plate (3), the front end of the top of the mounting plate (3) is transversely fixed with a support plate one (4), the rear end of the top of the mounting plate (3) is transversely fixed with a support plate two (15), the right side of the chassis (2) is fixed with a side plate two (11), both ends of the mounting plate (3) are respectively fixed with a side seat (14), an inner frame (18) is arranged between the support plate one (4) and the support plate two (15), both sides of the inner frame (18) are respectively welded and fixed with a support frame (17), both ends of the support frame (17) are respectively welded and fixed with a connecting plate (21), both sides of the rear end of the connecting plate (21) and both sides of the front end of the connecting plate (21) are respectively provided with fixed bolts (20), both sides of the bottom of the rear end of the support plate one (4) and both sides of the bottom of the front end of the support plate two (15) are respectively provided with screw holes (22).

2. The rear frame of the heading machine for coal mine according to claim 1, characterized in that: The support frame (17) is symmetrically arranged about the vertical center line of the inner frame (18).

3. The rear frame of the heading machine for coal mine according to claim 1, characterized in that: The fixed bolts (20) penetrate the inside of the connecting plate (21) and are screw-connected in the screw holes (22).

4. The rear frame of a coal mine heading machine according to claim 1, characterized in that: The top of the support plate one (4) and the support plate two (15) is provided with an outer cover (5), both ends of the top of the outer cover (5) are respectively provided with mounting bolts (6), both ends of the top of the mounting plate (3) are respectively vertically fixed with a support (7), and the inside of both sides of the top end of the support (7) is respectively provided with a threaded hole (8).

5. The machine rear frame for coal mine tunneling machine according to claim 4, characterized in that: The mounting bolts (6) are respectively provided with two groups on both ends of the top of the outer cover (5).

6. The machine rear frame for coal mine tunneling machine according to claim 4, characterized in that: The bottom end of the mounting bolt (6) penetrates the inside of the top end of the outer cover (5) and is screw-connected in the threaded hole (8).

7. The machine rear frame for coal mine tunneling machine according to claim 1, characterized in that: The side plate one (1), the chassis (2), the mounting plate (3), the support plate one (4), the side plate two (11) and the side seat (14) are respectively provided with a corrosion-resistant coating (12).

8. The machine rear frame for coal mine tunneling machine according to claim 1, characterized in that: The top of the front end of the side seat (14) is provided with a mounting hole one (10), the bottom of the front end of the side seat (14) is provided with a mounting hole two (13), both sides of the top of the front end of the mounting plate (3) are respectively fixed with a fixed plate one (9), both sides of the top of the rear end of the mounting plate (3) are respectively fixed with a fixed plate two (16), and the top between the support plate one (4) and the support plate two (15) is fixed with a top plate (19).

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