Lightweight large-dip-angle support system

Abstract

The application provides a light large-inclination supporting system, and belongs to the technical field of coal mine supporting, which comprises a support; the support comprises a roof beam, an electric column, a base and an electric supporting cylinder; the roof beam is located above the base; the base is integrated and is provided with a groove in the middle part; the electric column and the electric supporting cylinder are hingedly connected to the roof beam and the base at both ends; the number of the electric column is one, which is located in front of the groove and on the middle line of the roof beam and the base; the number of the electric supporting cylinder is two, which is located behind the groove and symmetrically arranged on both sides of the electric column. The application has small volume and light weight, and when the support is moved, the whole set of support can be accurately and synchronously moved forward, movement control is accurate, and no deviation is needed.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of coal mine support, and specifically discloses a light large-inclination support system. BACKGROUND

[0002] At present, hydraulic supports are generally used in the comprehensive mechanized coal mining face of a coal mine for maintaining the safety production space of the coal mining face. The existing support system usually uses four-column or two-column hydraulic supports, the stand columns are heavy, the spacing between the stand columns is large, the length of the top beam and the base is long, and thus the hydraulic support is generally large in size and heavy in weight, is difficult to transport, install and remove, and is high in investment.

[0003] Each group of several supports will be offset when moving the supports, cannot be synchronized, and often needs to be specially adjusted, wasting time and manpower. SUMMARY

[0004] The application provides a light large-inclination support system, which solves the problems in the background art.

[0005] The light large-inclination support system comprises a support, wherein the support comprises a top beam, an electric stand column, a base and an electric support cylinder; the top beam is located above the base; the base is integrated and is provided with a groove in the middle part; the two ends of the electric stand column and the electric support cylinder are hingedly connected with the top beam and the base respectively; the number of the electric stand column is one, which is located in front of the groove and on the center line of the top beam and the base; and the number of the electric support cylinder is two, which are symmetrically arranged on the two sides of the electric stand column and located behind the groove.

[0006] Further, the base is provided with a column socket at a position in front of the groove; the top beam is provided with a column cap corresponding to the column socket; the bottom of the electric stand column is hingedly connected with the column socket of the base, and the piston rod end is hingedly connected with the column cap of the top beam.

[0007] Further, the light large-inclination support system further comprises a shield beam; the base is provided with a sleeve at a position behind the groove; the shield beam is a telescopic beam, is sleeved outside the electric support cylinder, and the bottom end of the electric support cylinder and the shield beam is hingedly connected with the sleeve of the base, and the top end is hingedly connected with the tail end of the top beam, so that the shield beam can be telescopically extended and retracted with the electric support cylinder.

[0008] Further, the shield beam and the sleeve are both box-shaped structures.

[0009] Further, the top beam comprises a top plate and coal blocking plates welded on the two sides of the top plate, and the middle part of the top plate is welded with a reinforcing rib.

[0010] Further, the electric stand column is a single telescopic or double telescopic structure.

[0011] Further, several supports constitute a group, and each group of supports is controlled by a remote control system.

[0012] Compared with the prior art, the present application has the following beneficial effects.

[0013] 1. The support uses an electric cylinder to replace a traditional hydraulic cylinder, reduces the cylinder diameter size, does not need to additionally lay an oil pipe, is small and light, greatly reduces the overall machine weight, is stable in performance, is accurate in motion control, and can quickly adapt to different process requirements.

[0014] 2. The middle part of the light-weight base adopts a groove form, greatly reduces the weight, effectively reduces the overall machine weight, and is strong in adaptability.

[0015] 3. Unlike the traditional support, the present application adopts a single column form and is located on the middle line of the base, the number of columns is reduced, and the overall machine weight is reduced, wherein the column can be selected as a single telescopic or double telescopic form according to the working face requirement to adapt to different inclination angles.

[0016] 4. The shield beam and the sleeve are both box body structures, the middle part of the top beam is welded with a reinforcing rib, and both sides are welded with a coal baffle, which reduces the weight and improves the overall strength and adaptability.

[0017] 5. Compared with the four-bar linkage structure support, the present application omits the front and rear connecting rods, is small in size, light in weight, and small in operation space.

[0018] 6. When the support is moved, the whole set of supports can be accurately and synchronously moved forward, the motion control is accurate, and there is no need to adjust the deviation. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0020] Figure 1 is a front view of the support;

[0021] Figure 2 is a left view of Figure 1 ;

[0022] Figure 3 is a working state schematic view of the support;

[0023] Wherein: 1-top beam; 2-electric column; 3-base; 4-electric support cylinder; 5-shield beam. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present application.

[0025] The embodiment provides a light large-inclination supporting system, which comprises a support.

[0026] The embodiment adopts an electric cylinder to replace a traditional hydraulic cylinder, is small and light, greatly reduces the weight of the whole machine, is stable in performance, is accurate in motion control, and can quickly adapt to different process requirements.

[0027] The top beam 1 is located above the base 3.

[0028] The base 3 is integrated, and a groove is arranged in the middle part, so that the weight of the base 3 is reduced, the weight of the whole machine is effectively reduced, and the adaptability is improved.

[0029] The two ends of the electric column 2 and the electric supporting cylinder 4 are hingedly connected with the top beam 1 and the base 3 respectively.

[0030] The electric column 2 adopts a single-column form, is located in front of the groove, and is located on the middle line of the top beam 1 and the base 3. The number of columns is reduced, the front and rear connecting rods are omitted, the weight of the whole machine is reduced, and the volume of the whole machine is reduced. The column can be selected in a single telescopic or double telescopic form according to the working face, so as to adapt to different inclination angles.

[0031] The number of the electric supporting cylinders 4 is two, which are located in the rear of the groove and symmetrically arranged on the two sides of the electric column 2.

[0032] The base 3 is provided with a column socket at a position in front of the groove; the top beam 1 is provided with a column cap corresponding to the column socket; the cylinder bottom of the electric column 2 is hingedly connected and arranged in the column socket of the base 3, and the piston rod end is hingedly connected and arranged in the column cap of the top beam 1.

[0033] The base 3 is provided with a sleeve at a position in the rear of the groove; the shield beam 5 is a telescopic beam, is sleeved outside the electric supporting cylinder 4, and the bottom ends of the electric supporting cylinder 4 and the shield beam 5 are hingedly connected and arranged in the sleeve of the base 3; the top ends are hingedly connected with the tail ends of the top beam 1; and the shield beam 5 telescopes with the electric supporting cylinder 4.

[0034] The shield beam 5 and the sleeve are both box-shaped structures.

[0035] The top beam 1 comprises a top plate and coal blocking plates welded on the two sides of the top plate, and a reinforcing rib is welded in the middle of the top plate, so that the weight is reduced and the overall strength and adaptability are improved.

[0036] The working process of the support is as follows:

[0037] After power on, the electric column 2 and the piston rod of the electric support cylinder 4 are extended, the roof beam 1 is lifted, when the working face is large inclination angle, the double telescopic column is used, the piston rod is fully extended, the end of the roof beam 1 is higher than the tail, the maximum angle with the ground can be 40°, and large inclination angle working face is adapted. When the coal mining is completed, the electric column 2 and the piston rod of the electric support cylinder 4 are retracted, the roof beam 1 leaves the roof, and is retracted to the initial state.

[0038] A plurality of supports constitute a group, each group of supports is controlled by a remote control system, when the supports are moved, the whole group of supports can be accurately synchronized to move forward, the movement control is accurate, and there is no need to adjust the deviation.

[0039] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A lightweight, large-angle support system, characterized in that, Including a support frame; The support includes a top beam (1), an electric column (2), a base (3), an electric support cylinder (4), and a protective beam (5). The top beam (1) is located above the base (3); The base (3) is a single piece with a groove in the middle; The two ends of the electric column (2) and the electric support cylinder (4) are respectively hinged to the top beam (1) and the base (3); The number of electric columns (2) is one, located in front of the groove and on the center line between the top beam (1) and the base (3); The number of electric support cylinders (4) is two, located behind the groove and symmetrically arranged on both sides of the electric column (2); The base (3) is provided with a column socket in front of the groove; The top beam (1) is provided with a column cap corresponding to the column socket; The cylinder bottom of the electric column (2) is hinged to the column socket of the base (3), and the piston rod end is hinged to the column cap of the top beam (1). The base (3) is provided with a sleeve at the position behind the groove; The shield beam (5) is a telescopic beam, which is sleeved outside the electric support cylinder (4). The bottom ends of the electric support cylinder (4) and the shield beam (5) are hinged in the sleeve of the base (3), and the top end is hinged to the tail end of the top beam (1). The shield beam (5) extends and retracts with the electric support cylinder (4).

2. The lightweight, large-angle support system according to claim 1, characterized in that, Both the protective beam (5) and the sleeve are box-type structures.

3. The lightweight, large-angle support system according to claim 2, characterized in that, The top beam (1) includes a top plate and coal retaining plates welded to both sides of the top plate. The top plate is reinforced with ribs welded to the middle.

4. The lightweight, large-angle support system according to claim 3, characterized in that, The electric column (2) is a single telescopic or double telescopic structure.

5. The lightweight, large-angle support system according to claim 4, characterized in that, Several support units form a group, and each group of support units is controlled by a remote control system.

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