CN220769512U

CN220769512U - Onboard temporary support device for fully-mechanized excavating machine

Info

Publication number: CN220769512U
Application number: CN202322542682.6U
Authority: CN
Inventors: 王向阳; 张强; 曹军
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-04-12
Anticipated expiration: 2033-09-19

Abstract

The utility model belongs to the technical field of fully-mechanized excavating machine support, in particular to an onboard temporary support device for a fully-mechanized excavating machine, which comprises a excavating head and a fully-mechanized excavating machine main body, wherein two sides of the fully-mechanized excavating machine main body are respectively and fixedly connected with an upright post, a protection component is arranged on the upright post and comprises a rotating seat, the rotating seat is rotationally connected with the upright post through a shaft, the side wall of the upright post is fixedly connected with a driver, and the driving end of the driver is fixedly connected with the shaft of the rotating seat; according to the utility model, the protection assembly is driven to rotate by the driver, the protection plate is positioned at the top area of the mining head for protection, the first spring buffer and the second spring buffer absorb impact force and disperse the impact force on the main body of the fully-mechanized excavating machine, and compared with the prior art, the protection effect and the service life of the protection plate are improved.

Description

Onboard temporary support device for fully-mechanized excavating machine

Technical Field

The utility model relates to the technical field of fully-mechanized excavating machine support, in particular to an onboard temporary support device for a fully-mechanized excavating machine.

Background

As is well known, fully-mechanized coal mining machines are becoming increasingly widely used as the degree of mechanization of coal production increases. However, the supporting problem of the tunneling working face is always a main factor influencing the tunneling progress, and if the roof is not supported timely and effectively after tunneling, the roof is often injured, so that temporary supporting operation is required for the device.

The traditional Chinese patent with the bulletin number of CN217872854U discloses an onboard temporary support device for a fully-mechanized excavating machine, which improves the protection effect of the top of the device, reduces the potential safety hazard of the device and improves the practicability of the device; the supporting bench is installed through the supporting shoe on the top of combine digger main part, the fixed plate is installed through a plurality of pillars on the top of supporting bench, the left end swivelling mounting of fixed plate has the protection storehouse, be provided with four first cylinders all around on the top of fixed plate, every two first cylinders are parallel operation each other, the first protection board is installed in the top swivelling mounting that is located left side first cylinder, the connecting rod is installed in the equal swivelling mounting in top that is located right side first cylinder, the slider is all installed on the top of every connecting rod, the right-hand member middle part region at the protection storehouse is installed to the second connecting piece, the right-hand member in protection storehouse is provided with two elevating system.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: the whole position of the supporting device of the device is fixed, the position cannot be flexibly adjusted, the operation of the fully-mechanized excavating machine is inconvenient, and the protecting plate is hard contacted with a falling object due to the fact that a buffer device is not arranged, so that the damage is easy to cause, the using effect is poor, and improvement is needed; therefore, an onboard temporary support device for a fully-mechanized excavating machine is provided for solving the problems.

Disclosure of Invention

In order to overcome the defects in the prior art and solve the technical problems, the utility model provides an onboard temporary support device for a fully-mechanized excavating machine.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses an onboard temporary support device for a fully-mechanized coal mining machine, which comprises a mining head and a fully-mechanized coal mining machine main body, wherein two sides of the fully-mechanized coal mining machine main body are fixedly connected with upright posts respectively, a protection component is arranged on each upright post, each protection component comprises a rotating seat, each rotating seat is rotationally connected with each upright post through a shaft, a driver is fixedly connected with the side wall of each upright post, the driving end of each driver is fixedly connected with the shaft of each rotating seat, a protection plate is arranged on the surface of each rotating seat, an extension component is arranged below each protection plate, each extension component comprises two extension plates, each extension plate is rotationally arranged at the bottom edge of each protection plate through the corresponding shaft, each protection plate is driven by the corresponding driver to rotate, each protection plate is positioned in the top area of the mining head to protect the corresponding comprehensive coal mining machine main body, and each spring buffer is used for absorbing impact force through each spring buffer I and each spring buffer II and dispersing the impact force to the comprehensive coal mining machine main body.

Preferably, the surface of the rotating seat is provided with an opening, a plurality of connecting rods are fixedly connected in the opening, and the connecting rods penetrate through the protection plate.

Preferably, the surface cover of connecting rod is equipped with supporting spring, supports the guard plate through supporting spring, can the level descend when making the guard plate receive the impact, avoids guard plate and falling object hard contact.

Preferably, the bottom of guard plate fixedly connected with a plurality of spring damper one, spring damper one sets up perpendicularly.

Preferably, one side of the rotary seat is kept away from to the bottom of guard plate fixedly connected with spring buffer two, spring buffer two slope sets up, and the bottom of spring buffer two is established to hemispherical, supports the spacing ring through spring buffer two of slope, can cushion support the guard plate far away from the rotary seat regional, improves whole buffering support effect.

Preferably, the protection assembly further comprises a limiting ring, and the limiting ring is fixedly arranged outside the fully-mechanized coal mining machine body.

Preferably, the extension assembly further comprises a plurality of hydraulic rods, and the hydraulic rods are rotatably arranged at the bottom of the protection plate and close to the extension plate.

Preferably, the drive end fixedly connected with spring buffer three of hydraulic stem, and the one end that the hydraulic stem was kept away from to spring buffer three passes through the axle rotation with the extension board and is connected, drives the extension board through the hydraulic stem and rotates, both can expand through the extension board and increase the protection area, but also collapsible reduction volume simultaneously, and cushion the extension board through spring buffer three, reduce the impact force that the hydraulic stem received.

Preferably, the top surface of the protection plate is provided with V-shaped inclined surfaces protruding towards the center, so that falling objects can slide down.

The utility model has the advantages that:

1. according to the utility model, the protection assembly is driven to rotate by the driver, the protection plate is positioned in the top area of the mining head to protect, the first spring buffer and the second spring buffer absorb impact force and disperse the impact force on the main body of the fully-mechanized mining machine, compared with the prior art, the protection effect and the service life of the protection plate are improved, and the protection plate can rotate to the rear area of the mining head, so that the operation of the mining head is not influenced, and the flexibility of the whole use of the device is improved.

2. According to the utility model, the extending plate is driven to rotate by the hydraulic rod, so that the protective area can be increased by extending the extending plate, the volume can be reduced by contracting the extending plate, and the impact force applied to the hydraulic rod is reduced by buffering the extending plate through the spring buffer III.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a side view of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of a protective assembly according to the present utility model;

FIG. 4 is a schematic view of the structure A of FIG. 3 according to the present utility model;

fig. 5 is a schematic structural view of the extension assembly of the present utility model.

In the figure: 1. a mining head; 2. a fully-mechanized coal mining machine main body; 3. a column; 4. a protective assembly; 41. a rotating seat; 42. a protection plate; 43. an opening; 44. a connecting rod; 45. a support spring; 46. a first spring buffer; 47. a spring buffer II; 48. a limiting ring; 5. a driver; 6. an extension assembly; 61. an extension plate; 62. a hydraulic rod; 63. spring buffer III.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an airborne temporary support device for a fully-mechanized coal mining machine comprises a mining head 1 and a fully-mechanized coal mining machine body 2, wherein two sides of the fully-mechanized coal mining machine body 2 are fixedly connected with a stand column 3 respectively, a protection component 4 is mounted on the stand column 3, the protection component 4 comprises a rotating seat 41, the rotating seat 41 is rotationally connected with the stand column 3 through a shaft, a driver 5 is fixedly connected with the side wall of the stand column 3, the driving end of the driver 5 is fixedly connected with the shaft of the rotating seat 41, a protection plate 42 is mounted on the surface of the rotating seat 41, an extension component 6 is mounted below the protection plate 42, the extension component 6 comprises two extension plates 61, the extension plates 61 are rotatably mounted at the bottom edge of the protection plate 42 through the shaft, the protection plate 42 is positioned in the top area of the mining head 1 to protect, a first spring buffer 46 and a second spring buffer 47 abut against the fully-mechanized coal mining machine body 2, and when the protection plate 42 is impacted, the first spring buffer 46 and the second spring buffer 47 absorb impact force and disperse the impact force onto the fully-mechanized coal mining machine body 2, compared with the existing technology, the whole protection device is improved in service life, the whole protection device is not affected by the rotation of the protection head 1, and the whole mining head is improved in service life, and the mining device is not affected.

The surface of the rotating seat 41 is provided with an opening 43, a plurality of connecting rods 44 are fixedly connected in the opening 43, and the connecting rods 44 penetrate through the protection plate 42.

The surface of the connecting rod 44 is sleeved with a supporting spring 45, and the protecting plate 42 is supported by the supporting spring 45, so that the protecting plate 42 can be horizontally lowered when impacted, and the protecting plate 42 is prevented from being in hard contact with falling objects.

The bottom of the protection plate 42 is fixedly connected with a plurality of first spring buffers 46, and the first spring buffers 46 are vertically arranged.

One side that the rotary seat 41 was kept away from to the bottom of guard plate 42 is fixedly connected with spring buffer two 47, and spring buffer two 47 slope sets up, and the bottom of spring buffer two 47 is established to hemispherical, supports spacing ring 48 through spring buffer two 47 of slope, can cushion support guard plate 42 from the farther region of rotary seat 41, improves whole buffering support effect.

The guard assembly 4 further includes a stop collar 48, the stop collar 48 being fixedly mounted on the exterior of the machine body 2.

The extension assembly 6 further comprises a plurality of hydraulic rods 62, the hydraulic rods 62 being rotatably mounted at the bottom of the protection plate 42 near the extension plate 61.

The drive end fixedly connected with spring buffer three 63 of hydraulic stem 62, and the one end that spring buffer three 63 kept away from hydraulic stem 62 passes through the axle rotation with extension board 61 and is connected, drives extension board 61 through hydraulic stem 62 and rotates, both can expand through extension board 61 and increase the guard area, but also collapsible reduction volume simultaneously, and cushion extension board 61 through spring buffer three 63, reduce the impact force that hydraulic stem 62 received.

The top surface of the protection plate 42 is provided with V-shaped inclined surfaces protruding from two sides to the center, so that falling objects can slide down to reduce accumulation.

All electric components in the scheme are connected with an adaptive power supply through wires by a person skilled in the art, and an appropriate controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequences, and the electric connection is completed by referring to the following working principles in the working sequence among the electric components, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted from the description of electric control.

None of the parts of the device are the same as or can be implemented using prior art.

The protection device comprises a protection component 4, a protection plate 42, a support spring 45, a first spring buffer 46 and a second spring buffer 47, wherein the protection plate 42 is positioned in the top area of a mining head 1 for protection, the protection plate 42 is supported by the support spring 45 and can be horizontally lowered when impacted, the protection plate 42 is prevented from being in hard contact with falling objects, the first spring buffer 46 and the second spring buffer 47 are propped against a main body 2 of the mining head, when the protection plate 42 is impacted, the first spring buffer 46 and the second spring buffer 47 absorb impact force and disperse the impact force to the main body 2 of the mining head, and compared with the prior art, the protection effect and the service life of the protection plate 42 are improved, and the protection plate 42 can be rotated to the rear area of the mining head 1, so that the operation of the mining head 1 is not influenced, and the flexibility of the whole use of the device is improved;

the extension plate 61 is driven to rotate through the hydraulic rod 62, the protection area can be increased by the extension plate 61, meanwhile, the volume can be reduced by contraction, the extension plate 61 is buffered through the spring buffer III 63, and the impact force born by the hydraulic rod 62 is reduced.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a combine and dig quick-witted machine onboard temporary support device, includes mining head (1) and combines digger main part (2), its characterized in that: combine both sides of dig quick-witted main part (2) and be fixedly connected with stand (3) respectively, install protection component (4) on stand (3), protection component (4) are including roating seat (41), roating seat (41) are through axle and stand (3) rotation connection, lateral wall fixedly connected with driver (5) of stand (3), and the drive end of driver (5) and the axle fixed connection of roating seat (41), the surface mounting of roating seat (41) has guard plate (42), extension component (6) are installed to the below of guard plate (42), extension component (6) are including two extension boards (61), extension board (61) are installed in the bottom edge of guard plate (42) through the axle rotation.

2. The on-board temporary support device for a fully-mechanized coal mining machine according to claim 1, wherein: an opening (43) is formed in the surface of the rotating seat (41), a plurality of connecting rods (44) are fixedly connected to the inside of the opening (43), and the connecting rods (44) penetrate through the protection plate (42).

3. The on-board temporary support device for a fully-mechanized coal mining machine according to claim 2, wherein: the surface of the connecting rod (44) is sleeved with a supporting spring (45).

4. The on-board temporary support device for a fully-mechanized coal mining machine according to claim 1, wherein: the bottom of the protection plate (42) is fixedly connected with a plurality of first spring buffers (46), and the first spring buffers (46) are vertically arranged.

5. The on-board temporary support device for a fully-mechanized coal mining machine according to claim 1, wherein: one side of the bottom of guard plate (42) far away from roating seat (41) fixedly connected with spring buffer two (47), spring buffer two (47) slope sets up, and the bottom of spring buffer two (47) is established to hemispherical.

6. The on-board temporary support device for a fully-mechanized coal mining machine according to claim 1, wherein: the protection assembly (4) further comprises a limiting ring (48), and the limiting ring (48) is fixedly arranged outside the fully-mechanized coal mining machine body (2).

7. The on-board temporary support device for a fully-mechanized coal mining machine according to claim 1, wherein: the extension assembly (6) further comprises a plurality of hydraulic rods (62), and the hydraulic rods (62) are rotatably installed at the bottom of the protection plate (42) close to the extension plate (61).

8. The on-board temporary support device for a fully-mechanized coal mining machine according to claim 7, wherein: the driving end of the hydraulic rod (62) is fixedly connected with a third spring buffer (63), and one end, far away from the hydraulic rod (62), of the third spring buffer (63) is connected with the extension plate (61) through shaft rotation.

9. The on-board temporary support device for a fully-mechanized coal mining machine according to claim 1, wherein: the top surface of the protection plate (42) is provided with V-shaped inclined surfaces which are formed by protruding from two sides to the center.