Electro-hydraulic control hydraulic support of fully-mechanized top cutting unit

Abstract

The utility model relates to the technical field of hydraulic supports, and discloses a fully mechanized coal mining roof cutting unit electro-hydraulic control hydraulic support which comprises a base, an adjusting mechanism is arranged in the base, a supporting mechanism is arranged at the top of the adjusting mechanism, a fifth connecting base is arranged in the base, a third hydraulic rod is arranged in the fifth connecting base, and a second hydraulic rod is arranged in the third hydraulic rod. A positioning hole is formed in the base, the adjusting mechanism comprises an adjusting assembly and a positioning assembly, the adjusting assembly is arranged in the base, and the positioning assembly is arranged in the adjusting assembly. According to the electro-hydraulic control hydraulic support of the fully-mechanized coal mining roof cutting unit, in the using process, the first hydraulic rods are positioned through the first movable arc plate and the second movable arc plate and used for fixing the first hydraulic rods, then the two-way screw rod is driven to rotate through the motor, the distance between the first hydraulic rods is adjusted according to needs, and the size of the supporting coverage area can be adjusted; using is fast, the adjusting range is large, and supporting performance is high.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic supports, in particular to an electro-hydraulic controlled hydraulic support for a fully mechanized mining and top cutting unit. Background Art

[0002] Comprehensive mining is called comprehensive mechanized coal mining technology. During the coal mining process, the roof of the mined area is required to collapse in time to reduce the pressure on the roof of the working area and ensure the safety of the working area. Support equipment is needed to support the roof to ensure the safety of the operation, so electro-hydraulic controlled hydraulic supports are needed.

[0003] In the prior art, two hydraulic rods are used as the main support to push the top plate to support and protect the working area. Some supporting areas require less supporting force and the supporting surface of the device is small. It is wasteful to use multiple devices to support the area and the workload is large. The supporting surface cannot be adjusted according to the use area, which is inconvenient to use. Therefore, it is necessary to improve the electro-hydraulic controlled hydraulic support of the comprehensive mining cutting top unit to solve the above problems. Utility Model Content

[0004] The utility model aims to provide an electro-hydraulic controlled hydraulic support for a fully mechanized mining and top cutting unit, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electro-hydraulic controlled hydraulic support of a comprehensive mining and top cutting unit, comprising a base, an adjusting mechanism is arranged inside the base, a supporting mechanism is arranged on the top of the adjusting mechanism, a fifth connecting seat is arranged inside the base, a third hydraulic rod is arranged inside the fifth connecting seat, and a positioning hole is opened inside the base.

[0006] The adjusting mechanism comprises an adjusting component and a positioning component. The adjusting component is arranged inside the base, and the positioning component is arranged inside the adjusting component.

[0007] Preferably, the adjustment component includes a mounting shell, the mounting shell is fixedly connected to the top of the base, the interior of the mounting shell is fixedly connected to a limit rod, the interior of the mounting shell is fixedly connected to a motor, the output end of the motor is fixedly connected to a first gear, the exterior of the first gear is meshed with a second gear, the interior of the second gear is fixedly connected to a bidirectional screw, the bidirectional screw is rotatably connected to the interior of the base, the exterior of the bidirectional screw is threadedly connected to a slider, the slider is slidably connected to the interior of the base, and the top of the slider is fixedly connected to a first hydraulic rod for adjusting the position of the first hydraulic rod.

[0008] Preferably, the mounting shell is provided with a heat dissipation hole at a corresponding position of the motor, the base is provided with a slide groove at a corresponding position of the slider, and the slider slides inside the slide groove to dissipate heat from the motor.

[0009] Preferably, the positioning assembly includes a sliding frame, the sliding frame is slidably connected to the inside of the mounting shell, the sliding frame is slidably connected to the outside of the limiting rod, a first spring is fixedly connected between the sliding frame and the mounting shell, the internal thread of the sliding frame is connected to the first bolt, the outer side of the sliding frame is fixedly connected to a positioning arc plate, the outer side of the positioning arc plate is fixedly connected to a first connecting seat, the interior of the first connecting seat is rotatably connected to a first movable arc plate, the interior of the first connecting seat is rotatably connected to a second movable arc plate, the interior of the first movable arc plate is rotatably connected to a rotating block, the internal thread of the rotating block is connected to a second bolt for fixing the first hydraulic rod.

[0010] Preferably, the mounting shell has a limiting groove at a position corresponding to the first bolt, and the first bolt passes through the limiting groove, the second movable arc plate has a groove at a position corresponding to the second bolt, and the second bolt passes through the groove, for connecting the second movable arc plate with the first movable arc plate.

[0011] Preferably, the supporting mechanism includes an extension plate, the extension plate is fixedly connected to the top of the first hydraulic rod, the extension plate is movably connected to the support plate outside, a second spring is fixedly connected between the extension plate and the support plate, the support plate is fixedly connected to a second connecting seat inside, the second connecting seat is rotatably connected to a guard plate inside, the guard plate is fixedly connected to a third connecting seat inside, the support plate is fixedly connected to a fourth connecting seat inside, and a second hydraulic rod is rotatably connected between the fourth connecting seat and the third connecting seat for supporting the top plate.

[0012] Preferably, a slide groove is provided on the support plate at a corresponding position of the extension plate, and the extension plate slides inside the slide groove to expand the support surface.

[0013] Compared with the prior art, the utility model provides an electro-hydraulic controlled hydraulic support for a fully mechanized mining and top cutting unit, which has the following beneficial effects:

[0014] 1. The electro-hydraulic controlled hydraulic support of the comprehensive mining and top cutting unit, during use, positions the first hydraulic rod through the first movable arc plate and the second movable arc plate, which is used to fix the first hydraulic rod, and then drives the bidirectional screw to rotate through the motor. The spacing of the first hydraulic rod is adjusted as needed, so as to adjust the size of the support coverage area. It is quick to use, has a large adjustment range and high support.

[0015] 2. During use, the electro-hydraulic controlled hydraulic support of the comprehensive mining and top cutting unit increases the contact area by extending the extension plate provided, and cooperates with the first hydraulic rod to support the working area, which can effectively protect the safety of the working area and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0017] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the positioning component of the utility model;

[0020] Figure 4 This is a schematic diagram of the local structure of the positioning component of the utility model;

[0021] Figure 5 This is a schematic diagram of the support mechanism structure of the utility model;

[0022] Figure 6 It is a cross-sectional structural schematic diagram of the support mechanism of the utility model.

[0023] In the figure: 1. base; 2. adjustment mechanism; 21. adjustment assembly; 211. mounting shell; 212. limit rod; 213. motor; 214. first gear; 215. second gear; 216. bidirectional screw; 217. slider; 218. first hydraulic rod; 22. positioning assembly; 221. sliding frame; 222. first spring; 223. first bolt; 224. positioning arc plate; 225. first connecting seat; 226. first movable arc plate; 227. second movable arc plate; 228. rotating block; 229. second bolt; 3. supporting mechanism; 31. extension plate; 32. supporting plate; 33. second spring; 34. second connecting seat; 35. guard plate; 36. third connecting seat; 37. fourth connecting seat; 38. second hydraulic rod; 4. fifth connecting seat; 5. third hydraulic rod; 6. positioning hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Embodiment 1:

[0027] See also Figure 1-4 The utility model provides a technical solution: an electro-hydraulic controlled hydraulic support of a comprehensive mining and top cutting unit, comprising a base 1, an adjusting mechanism 2 is arranged inside the base 1, a supporting mechanism 3 is arranged on the top of the adjusting mechanism 2, a fifth connecting seat 4 is arranged inside the base 1, a third hydraulic rod 5 is arranged inside the fifth connecting seat 4, and a positioning hole 6 is opened inside the base 1.

[0028] The adjusting mechanism 2 includes an adjusting component 21 and a positioning component 22 . The adjusting component 21 is arranged inside the base 1 , and the positioning component 22 is arranged inside the adjusting component 21 .

[0029] Furthermore, the adjustment component 21 includes a mounting shell 211, which is fixedly connected to the top of the base 1, and a limit rod 212 is fixedly connected inside the mounting shell 211. A motor 213 is fixedly connected inside the mounting shell 211, and an output end of the motor 213 is fixedly connected to a first gear 214. The outside of the first gear 214 is meshed with a second gear 215, and the inside of the second gear 215 is fixedly connected to a bidirectional screw 216, which is rotatably connected to the inside of the base 1, and an external thread of the bidirectional screw 216 is connected to a slider 217, which is slidably connected to the inside of the base 1, and a first hydraulic rod 218 is fixedly connected to the top of the slider 217 for adjusting the position of the first hydraulic rod 218.

[0030] Furthermore, the mounting shell 211 is provided with a heat dissipation hole at a position corresponding to the motor 213 , the base 1 is provided with a slide groove at a position corresponding to the slider 217 , and the slider 217 slides inside the slide groove to dissipate heat from the motor 213 .

[0031] Furthermore, the positioning assembly 22 includes a sliding frame 221, which is slidably connected to the inside of the mounting shell 211, and the sliding frame 221 is slidably connected to the outside of the limiting rod 212. A first spring 222 is fixedly connected between the sliding frame 221 and the mounting shell 211, and the internal thread of the sliding frame 221 is connected to the first bolt 223. The outer side of the sliding frame 221 is fixedly connected to a positioning arc plate 224, and the outer side of the positioning arc plate 224 is fixedly connected to a first connecting seat 225. The first connecting seat 225 is internally rotatably connected to a first movable arc plate 226, and the first connecting seat 225 is internally rotatably connected to a second movable arc plate 227. The first movable arc plate 226 is internally rotatably connected to a rotating block 228, and the internal thread of the rotating block 228 is connected to a second bolt 229 for fixing the first hydraulic rod 218.

[0032] Furthermore, the mounting shell 211 has a limiting groove at a position corresponding to the first bolt 223, and the first bolt 223 passes through the limiting groove. The second movable arc plate 227 has a groove at a position corresponding to the second bolt 229, and the second bolt 229 passes through the groove, for connecting the second movable arc plate 227 with the first movable arc plate 226.

[0033] Embodiment 2:

[0034] See also Figure 5-6 , and combined with Example 1, it is further obtained that the support mechanism 3 includes an extension plate 31, the extension plate 31 is fixedly connected to the top of the first hydraulic rod 218, the extension plate 31 is movably connected to the outside of the support plate 31 with a support plate 32, a second spring 33 is fixedly connected between the extension plate 31 and the support plate 32, the support plate 32 is fixedly connected to the inside of the second connection seat 34, the second connection seat 34 is rotatably connected to the inside of the guard plate 35, the guard plate 35 is fixedly connected to the inside of the third connection seat 36, the support plate 32 is fixedly connected to the inside of the fourth connection seat 37, and the second hydraulic rod 38 is rotatably connected between the fourth connection seat 37 and the third connection seat 36 for supporting the top plate.

[0035] Furthermore, a slide groove is formed on the support plate 32 at a corresponding position of the extension plate 31, and the extension plate 31 slides inside the slide groove to expand the support surface.

[0036] During actual operation, when the device is used, the spacing between the bases 1 can be adjusted through the fifth connecting seat 4 and the third hydraulic rod 5, the positioning hole 6 can fix the position of the base 1, the motor 213 drives the first gear 214, the first gear 214 drives the second gear 215, the second gear 215 drives the bidirectional screw 216, the bidirectional screw 216 drives the slider 217, the slider 217 slides and drives the first hydraulic rod 218 to adjust the position, and the position of the positioning arc plate 224 is adjusted according to the position of the first hydraulic rod 218, the first spring 222 pushes the sliding frame 221, the sliding frame 221 drives the positioning arc plate 224 to be close to the first hydraulic rod 218, and the first movable arc plate 226 and the second movable arc plate 227 are combined and sleeved on the first hydraulic rod 218. The outside of the rod 218 drives the rotating block 228 through the second bolt 229, and the second bolt 229 passes through the groove of the second movable arc plate 227. Then the second bolt 229 is rotated to make the second bolt 229 close to the second movable arc plate 227, so that the first movable arc plate 226 and the second movable arc plate 227 can be fixed, and then the first bolt 223 is twisted and screwed into the interior of the sliding frame 221 to further locate the position of the sliding frame 221. The first hydraulic rod 218 drives the extension plate 31, and the extension plate 31 slides in the sliding groove of the support plate 32 through the second spring 33 to extend the support area. The second hydraulic rod 38 pushes the guard plate 35 through the third connecting seat 36, and the guard plate 35 rotates inside the second connecting seat 34 to help support.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. An electro-hydraulic controlled hydraulic support for a fully mechanized mining and top cutting unit, comprising a base (1), characterized in that: An adjusting mechanism (2) is arranged inside the base (1), a supporting mechanism (3) is arranged on the top of the adjusting mechanism (2), a fifth connecting seat (4) is arranged inside the base (1), a third hydraulic rod (5) is arranged inside the fifth connecting seat (4), and a positioning hole (6) is opened inside the base (1); The adjustment mechanism (2) comprises an adjustment component (21) and a positioning component (22); the adjustment component (21) is arranged inside the base (1); and the positioning component (22) is arranged inside the adjustment component (21).

2. The electro-hydraulic controlled hydraulic support of the fully mechanized mining and top cutting unit according to claim 1 is characterized in that: The adjustment assembly (21) comprises a mounting shell (211), wherein the mounting shell (211) is fixedly connected to the top of the base (1), a limit rod (212) is fixedly connected inside the mounting shell (211), a motor (213) is fixedly connected inside the mounting shell (211), a first gear (214) is fixedly connected to the output end of the motor (213), a second gear (215) is meshed outside the first gear (214), a bidirectional screw (216) is fixedly connected inside the second gear (215), the bidirectional screw (216) is rotatably connected inside the base (1), a slider (217) is threadedly connected outside the bidirectional screw (216), the slider (217) is slidably connected inside the base (1), and a first hydraulic rod (218) is fixedly connected to the top of the slider (217).

3. The electro-hydraulic controlled hydraulic support of the fully mechanized mining and top cutting unit according to claim 2 is characterized in that: The mounting shell (211) is provided with a heat dissipation hole at a position corresponding to the motor (213), the base (1) is provided with a slide groove at a position corresponding to the slider (217), and the slider (217) slides inside the slide groove.

4. The electro-hydraulic controlled hydraulic support of the fully mechanized mining and top cutting unit according to claim 2 is characterized in that: The positioning assembly (22) comprises a sliding frame (221), wherein the sliding frame (221) is slidably connected to the inside of the mounting shell (211), and the sliding frame (221) is slidably connected to the outside of the limiting rod (212); a first spring (222) is fixedly connected between the sliding frame (221) and the mounting shell (211); the interior of the sliding frame (221) is threadedly connected to a first bolt (223); the outer side of the sliding frame (221) is fixedly connected to a positioning arc plate (224); the outer side of the positioning arc plate (224) is fixedly connected to a first connecting seat (225); the interior of the first connecting seat (225) is rotatably connected to a first movable arc plate (226); the interior of the first connecting seat (225) is rotatably connected to a second movable arc plate (227); the interior of the first movable arc plate (226) is rotatably connected to a rotating block (228); the interior of the rotating block (228) is threadedly connected to a second bolt (229).

5. The electro-hydraulic controlled hydraulic support of the fully mechanized mining and top cutting unit according to claim 4 is characterized in that: The mounting shell (211) is provided with a limiting groove at a position corresponding to the first bolt (223), and the first bolt (223) passes through the limiting groove; the second movable arc plate (227) is provided with a groove at a position corresponding to the second bolt (229), and the second bolt (229) passes through the groove.

6. The electro-hydraulic controlled hydraulic support of the fully mechanized mining and top cutting unit according to claim 4 is characterized in that: The support mechanism (3) comprises an extension plate (31), wherein the extension plate (31) is fixedly connected to the top of the first hydraulic rod (218), the extension plate (31) is movably connected to the outside of the extension plate (31), a second spring (33) is fixedly connected between the extension plate (31) and the support plate (32), the inside of the support plate (32) is fixedly connected to a second connecting seat (34), the inside of the second connecting seat (34) is rotatably connected to a guard plate (35), the inside of the guard plate (35) is fixedly connected to a third connecting seat (36), the inside of the support plate (32) is fixedly connected to a fourth connecting seat (37), and a second hydraulic rod (38) is rotatably connected between the fourth connecting seat (37) and the third connecting seat (36).

7. The electro-hydraulic controlled hydraulic support of the fully mechanized mining and top cutting unit according to claim 6 is characterized in that: The support plate (32) is provided with a sliding groove at a corresponding position of the extension plate (31), and the extension plate (31) slides inside the sliding groove.

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