Fully-mechanized coal mining hydraulic support anti-falling interlocking device

Abstract

The utility model relates to the technical field of coal mining, in particular to a fully-mechanized mining hydraulic support anti-tilting interlocking device which comprises a hydraulic support base, a concave fixing seat is fixedly arranged on one side of the hydraulic support base, and a sliding locking device is fixedly arranged on the other side of the hydraulic support base. The concave fixing seats and the sliding locking devices on the two adjacent hydraulic support bases are connected through connecting devices. When the hydraulic support base moves forwards, the connecting ball can slide in the spherical groove, sliding friction resistance between the connecting ball and the spherical groove is small, and forward movement of the hydraulic support base is not restricted. The connecting ball is arranged in the spherical groove, cannot slide in the inclined direction of the working face and plays a role in supporting and limiting. The output end of the hydraulic telescopic cylinder can stretch out and draw back, and the distance between the two hydraulic supports can be adjusted through orderly stretching out and drawing back. A gap is reserved between the open groove and the output end of the hydraulic telescopic cylinder, a gap is reserved between the connecting ball and the spherical groove, and the hydraulic support base can be finely adjusted in the inclined direction of the working face.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining technical field, and specifically is a kind of fully mechanized hydraulic support anti-inverted interlocking device. BACKGROUND

[0002] The fully mechanized working face of coal seam with large inclination angle, most hydraulic support manufacturers will set anti-inverted interlocking hydraulic cylinder on the top of hydraulic support base, the anti-inverted interlocking hydraulic cylinder is connected along the inclination direction of working face, and the two ends are rotatable. When moving support, the extension force of anti-inverted interlocking hydraulic cylinder intersects with the extension force of pusher device hydraulic cylinder, which is not conducive to moving support. Therefore, it is urgent to design a kind of fully mechanized hydraulic support anti-inverted interlocking device. SUMMARY

[0003] The utility model discloses a kind of fully mechanized hydraulic support anti-inverted interlocking devices.

[0004] A kind of fully mechanized hydraulic support anti-inverted interlocking device, including hydraulic support base, one side of the hydraulic support base is fixedly provided with concave fixing seat, the other side of the hydraulic support base is fixedly provided with sliding locking device, and the concave fixing seat and sliding locking device on the adjacent two hydraulic support bases are connected by connecting device.

[0005] Further, the sliding locking device includes a sliding seat, which is fixedly connected to the hydraulic support base by a connecting screw. A spherical groove is formed in the middle of the sliding seat. An open slot is formed in one side of the sliding seat and communicates with the spherical groove. Blind plates are provided at the front and rear ends of the sliding seat. The blind plates are fixedly connected to the sliding seat by closure bolts. The connecting device is slidingly connected to the spherical groove.

[0006] Further, the connecting device includes a hydraulic telescopic cylinder. A groove is formed in the top center of the concave fixing seat. One end of the hydraulic telescopic cylinder is clamped in the groove and fixedly connected by mounting bolts. A connecting ball is fixedly connected to the output end of the hydraulic telescopic cylinder after penetrating the open slot. The connecting ball is slidingly arranged in the spherical groove.

[0007] Further, a gap is provided between the open slot and the output end of the hydraulic telescopic cylinder. A gap is provided between the connecting ball and the spherical groove.

[0008] In summary, the utility model has the following beneficial effects:

[0009] The utility model discloses a hydraulic telescopic cylinder is set to single end fixed, and when the hydraulic support base moves forward, the connecting ball can slide in the spherical groove, and the sliding friction resistance of connecting ball and spherical groove is small, and the hydraulic support base will not be restricted to move forward. The connecting ball is arranged in the spherical groove and is not slidable along the inclined direction of the working face, and plays a supporting and limiting role. The output end of the hydraulic telescopic cylinder can be telescopic, and the ordered telescopic can adjust the spacing between the two hydraulic supports. There is a gap between the open groove and the output end of the hydraulic telescopic cylinder, and there is a gap between the connecting ball and the spherical groove, and the hydraulic support base can be finely adjusted along the inclined direction of the working face. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further explained below in combination with the drawings and specific embodiment:

[0011] Fig. 1 It is a front view of a fully mechanized hydraulic support anti-inverted interlocking device;

[0012] Fig. 2 It is the front view of the two hydraulic support bases connected in the utility model;

[0013] Fig. 3 It is the plan view of the two hydraulic support bases connected in the utility model.

[0014] In the drawing: 1-hydraulic telescopic cylinder, 2-connecting ball, 3-sliding seat, 4-mounting bolt, 5-hydraulic support base, 6-concave fixed base, 7-connecting screw, 8-spherical groove, 9-open groove, 10-blind plate, 11-closed bolt, 12-groove. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the embodiment of the utility model, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the protection of the utility model.

[0016] The following will be further explained in combination with the drawings of the utility model: Figs. 1-3 The utility model will be further explained below in combination with the drawings and specific embodiment:

[0017] The utility model provides a kind of fully mechanized hydraulic support anti-inverted interlocking device, including hydraulic support base 5, it is characterized in that, one side of hydraulic support base 5 is fixedly provided with concave fixing seat 6, the other side of hydraulic support base 5 is fixedly provided with sliding locking device, and the concave fixing seat 6 and sliding locking device on adjacent two hydraulic support bases 5 are connected by connecting device, and sliding locking device includes sliding seat 3, and sliding seat 3 is fixedly connected with hydraulic support base 5 by connecting screw 7, and the middle part of sliding seat 3 is provided with spherical groove 8, and the side of sliding seat 3 is provided with open slot 9 being communicated with spherical groove 8, and the front and rear ends of sliding seat 3 are provided with blind plate 10, and blind plate 10 is fixedly connected with sliding seat 3 by closing bolt 11, and connecting device is slidably connected with spherical groove 8, and connecting device includes hydraulic telescopic cylinder 1, and the top center of concave fixing seat 6 is provided with recess 12, and one end of hydraulic telescopic cylinder 1 is clamped in recess 12 and is fixedly connected by mounting bolt 4, and the output end of hydraulic telescopic cylinder 1 is fixedly connected with connecting ball 2 after penetrating open slot 9, and connecting ball 2 is slidably arranged in spherical groove 8, and gap is provided between open slot 9 and the output end of hydraulic telescopic cylinder 1, and gap is provided between connecting ball 2 and spherical groove 8.

[0018] In the embodiment, when the hydraulic support base 5 moves forward, the connecting ball 2 can slide in the spherical groove 8, and the sliding friction resistance between the connecting ball 2 and the spherical groove 8 is small, so that the forward movement of the hydraulic support base 5 is not restricted.

[0019] In the embodiment, the connecting ball 2 is arranged in the spherical groove 8 and cannot slide along the inclined direction of the working face, so as to support and limit.

[0020] In the embodiment, the output end of the hydraulic telescopic cylinder 1 can be telescopic, and the interval between the two hydraulic support bases 5 can be adjusted by telescopic operation.

[0021] In the embodiment, the gap is left between the open slot 9 and the output end of the hydraulic telescopic cylinder 1, and the gap is left between the connecting ball 2 and the spherical groove 8, so that the hydraulic support can be finely adjusted along the inclined direction of the working face.

[0022] In the embodiment, the blind plate 10 at the front and rear ends of the sliding seat 3 can prevent the connecting ball 2 from sliding out of the spherical groove 8, and the blind plate 10 at the front and rear ends of the sliding seat 3 can be removed so that the connecting ball 2 can be normally installed.

[0023] In the description of the patent, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the patent and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the patent.

[0024] In the description of the present patent, it needs to be explained that, unless explicitly specified and limited, the terms "mount", "connect", "connection", "set" should be understood broadly, for example, it can be fixedly connected, set, or it can be detachably connected, set, or integrally connected, set. For ordinary skilled in the art, the specific meaning of the above terms in the present patent can be understood according to the specific circumstances.

Claims

1. A hydraulic support anti-inversion locking device for fully mechanized coal mining, comprising a hydraulic support base (5), characterized in that, The hydraulic support base (5) is fixedly provided with a concave fixing seat (6) on one side, and is fixedly provided with a sliding locking device on the other side, the concave fixing seat (6) and the sliding locking device on the adjacent two hydraulic support bases (5) are connected through a connecting device, the sliding locking device comprises a sliding seat (3), the sliding seat (3) is fixedly connected with the hydraulic support base (5) through connecting screws (7), a spherical groove (8) is formed in the middle of the sliding seat (3), an open groove (9) in communication with the spherical groove (8) is formed in one side of the sliding seat (3), blind plates (10) are arranged at the front and rear ends of the sliding seat (3), the blind plates (10) are fixedly connected with the sliding seat (3) through sealing bolts (11), the connecting device is in sliding connection with the spherical groove (8), the connecting device comprises a hydraulic telescopic cylinder (1), a groove (12) is formed in the top center of the concave fixing seat (6), one end of the hydraulic telescopic cylinder (1) is clamped in the groove (12) and is fixedly connected through mounting bolts (4), a connecting ball (2) is fixedly connected to the output end of the hydraulic telescopic cylinder (1) after penetrating through the open groove (9), and the connecting ball (2) is slidably arranged in the spherical groove (8).

2. The hydraulic support anti-inversion interlocking device of fully mechanized coal mining as claimed in claim 1, characterized in that, A gap is arranged between the open groove (9) and the output end of the hydraulic telescopic cylinder (1), and a gap is arranged between the connecting ball (2) and the spherical groove (8).

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