Hydraulic support pushing device and hydraulic support
阅读说明:本技术 一种液压支架推移装置及液压支架 (Hydraulic support pushing device and hydraulic support ) 是由 赵忠志 任相广 张敬辉 于 2020-08-11 设计创作,主要内容包括:本发明公开了一种液压支架推移装置及液压支架,其中,推移装置包括底座、推移机构和推杆,所述推移机构的两端分别与所述底座和所述推杆铰接;所述底座上设有竖直限位机构和水平限位机构,在所述推杆在竖直方向上移动时,所述竖直限位机构用于限定所述推杆在竖直方向上的移动范围;在所述推杆在所述推移机构的带动下水平移动时,所述水平限位机构用于限定所述推杆在水平方向上的移动范围。本发明通过在推移装置上的底座设置竖直限位机构和水平限位机构,可使推杆在推移机构的带动下在底座上移动时,对推杆的移动范围进行限定,以保证推杆大致呈水平状态移动,以防止推杆被位于推杆下方的物体顶升至超过其正常高度范围。(The invention discloses a hydraulic support pushing device and a hydraulic support, wherein the pushing device comprises a base, a pushing mechanism and a push rod, and two ends of the pushing mechanism are respectively hinged with the base and the push rod; the base is provided with a vertical limiting mechanism and a horizontal limiting mechanism, and when the push rod moves in the vertical direction, the vertical limiting mechanism is used for limiting the moving range of the push rod in the vertical direction; when the push rod moves horizontally under the driving of the pushing mechanism, the horizontal limiting mechanism is used for limiting the moving range of the push rod in the horizontal direction. According to the invention, the vertical limiting mechanism and the horizontal limiting mechanism are arranged on the base on the pushing device, so that the moving range of the push rod is limited when the push rod moves on the base under the driving of the pushing mechanism, the push rod is ensured to move in a roughly horizontal state, and the push rod is prevented from being jacked to exceed the normal height range by an object positioned below the push rod.)
1. The hydraulic support pushing device is characterized by comprising a base (1), a pushing mechanism (2) and a push rod (3), wherein two ends of the pushing mechanism (2) are hinged with the base (1) and the push rod (3) respectively; the base (1) is provided with a vertical limiting mechanism and a horizontal limiting mechanism, and when the push rod (3) moves in the vertical direction, the vertical limiting mechanism is used for limiting the moving range of the push rod (3) in the vertical direction; when the push rod (3) moves horizontally under the driving of the pushing mechanism (2), the horizontal limiting mechanism is used for limiting the moving range of the push rod (3) in the horizontal direction.
2. Hydraulic support pushing device according to claim 1, characterized in that said push rod (3) comprises:
the push rod comprises a push rod body (301) and a push rod body, wherein the push rod body (301) comprises a hollow rod body formed by welding a first cover plate (3011), a first main rib (3012), a second cover plate (3013) and a second main rib (3014), and a reinforcing rib component is arranged inside the hollow rod body;
the connecting seat (302) is connected with one end of the push rod body (301) and is used for being connected with the connecting head (4);
the first U-shaped seat (303) is connected with the other end of the push rod body (301) and is used for being hinged with one end of the pushing mechanism (2).
3. The hydraulic support pushing device as claimed in claim 1, wherein the reinforcing rib assembly comprises a transverse rib (3017) and a longitudinal rib (3018), the transverse rib (3017) is parallel to the width direction of the push rod body (301), and the longitudinal rib (3018) is parallel to the length direction of the push rod body (301).
4. The hydraulic support pushing device of claim 1, wherein the pushing mechanism (2) is a pushing jack, a cylinder (201) of the pushing jack is hinged to the base (1), a piston rod (202) of the pushing jack is hinged to the push rod (3), and when the pushing jack drives the push rod (3) to move, an included angle exists between the piston rod (202) and the push rod (3).
5. Hydraulic support pushing device according to claim 4, characterized in that the cylinder (201) of the pushing jack is detachably connected to the base (1) by means of a first fastening assembly.
6. Hydraulic support pushing device according to claim 4, characterized in that the piston rod (202) of the pushing jack is detachably connected to the push rod (3) by means of a second fastening assembly.
7. The hydraulic support pushing device of claim 1, wherein the horizontal limiting mechanism comprises:
the first limiting plate (11) is arranged close to the hinged position of the pushing mechanism (2) and the push rod (3), and a first limiting part which can be in contact connection with the first limiting plate (11) is arranged on one side, close to the base (1), of the push rod (3);
the second limiting plate (12) is arranged close to the hinged position of the pushing mechanism (2) and the base (1), and a second limiting part which can be in contact connection with the second limiting plate (12) is further arranged on one side, close to the base (1), of the push rod (3);
when the push rod (3) horizontally moves to enable the first limiting part to be in contact with the first limiting plate (11), the push rod (3) stops moving under the matching of the first limiting plate (11) and the first limiting part;
when the push rod (3) horizontally moves to enable the second limiting part to be in contact with the second limiting plate (12), the push rod (3) stops moving under the matching of the second limiting plate (12) and the second limiting part.
8. The hydraulic support pushing apparatus of claim 7, wherein the vertical limiting mechanism comprises:
the first gap bridge (13) is arranged at one end of the base (1) and is positioned above the push rod (3), and when the push rod (3) moves horizontally, the hinged part of the pushing mechanism (2) and the push rod (3) is kept below the first gap bridge (13);
the second gap bridge (14) is arranged at one end, far away from the first gap bridge (13), of the base (1) and is positioned above the push rod (3);
when the push rod (3) moves vertically and is in contact with the first gap bridge (13), the push rod (3) stops moving upwards under the limit of the first gap bridge (13);
when the push rod (3) moves vertically and contacts with the second bridge (14), the push rod (3) stops moving upwards under the limit of the second bridge (14).
9. The hydraulic support pushing device of claim 8, wherein a contact plate (15) is arranged on the push rod (3) close to the hinged position of the push rod and the pushing mechanism (2), the contact plate (15) comprises a circular arc section close to one end of the first bridge (13), and when the push rod (3) moves vertically and is in contact with the first bridge (13), the circular arc section on the contact plate (15) is in contact with the first bridge (13) to limit the push rod (3) to move upwards continuously.
10. A hydraulic prop, characterized in that it comprises a hydraulic prop pusher jack according to any one of claims 1 to 9.
Technical Field
The invention belongs to the technical field of hydraulic supports, and particularly relates to a hydraulic support pushing device and a hydraulic support.
Background
The hydraulic support is an important component of complete equipment in a coal mine, and the pushing device of the hydraulic support can realize pushing sliding of the scraper conveyor and a pulling function of the hydraulic support. Referring to fig. 1, the pushing device is located in the middle of the inner gear of the base 1a, the pushing device comprises a push rod 2a, a pushing
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a hydraulic support pushing device and a hydraulic support, wherein the pushing device can limit the moving range of a push rod when the push rod moves on a base under the driving of a pushing mechanism so as to ensure that the push rod moves in a roughly horizontal state and further ensure the normal work of the push rod.
The invention provides a hydraulic support pushing device which comprises a base, a pushing mechanism and a push rod, wherein two ends of the pushing mechanism are respectively hinged with the base and the push rod; the base is provided with a vertical limiting mechanism and a horizontal limiting mechanism, and when the push rod moves in the vertical direction, the vertical limiting mechanism is used for limiting the moving range of the push rod in the vertical direction; when the push rod moves horizontally under the driving of the pushing mechanism, the horizontal limiting mechanism is used for limiting the moving range of the push rod in the horizontal direction.
Further, the push rod includes:
the push rod body comprises a hollow rod body formed by welding a first cover plate, a first main rib, a second cover plate and a second main rib, and a reinforcing rib assembly is arranged inside the hollow rod body;
the connecting seat is connected with one end of the push rod body and is used for being connected with a connecting head;
and the first U-shaped seat is connected with the other end of the push rod body and is used for being hinged with one end of the pushing mechanism.
Further, the strengthening rib subassembly includes horizontal muscle and indulges the muscle, horizontal muscle with the width direction of push rod body is parallel, indulge the muscle with the length direction of push rod body is parallel.
Furthermore, the pushing mechanism is a pushing jack, a cylinder body of the pushing jack is hinged to the base, a piston rod of the pushing jack is hinged to the push rod, and an included angle exists between the piston rod and the push rod when the pushing jack drives the push rod to move.
Furthermore, the cylinder body of the pushing jack is detachably connected with the base through a first fastening assembly.
Furthermore, a piston rod of the pushing jack is detachably connected with the push rod through a second fastening assembly.
Further, horizontal stop gear includes:
the first limiting plate is arranged close to the hinged position of the pushing mechanism and the push rod, and a first limiting part which can be in contact connection with the first limiting plate is arranged on one side of the push rod close to the base;
the second limiting plate is arranged close to the hinged position of the pushing mechanism and the base, and a second limiting part which can be in contact connection with the second limiting plate is further arranged on one side of the push rod close to the base;
when the push rod moves horizontally to enable the first limiting part to be in contact with the first limiting plate, the push rod stops moving under the matching of the first limiting plate and the first limiting part;
when the push rod moves horizontally to enable the second limiting part to be in contact with the second limiting plate, the push rod stops moving under the matching of the second limiting plate and the second limiting part.
Further, vertical stop gear includes:
the first gap bridge is arranged at one end of the base and positioned above the push rod, and when the push rod moves horizontally, the hinged part of the pushing mechanism and the push rod is kept below the first gap bridge;
the second gap bridge is arranged at one end, far away from the first gap bridge, of the base and is positioned above the push rod;
when the push rod moves vertically and is in contact with the first gap bridge, the push rod stops moving upwards under the limit of the first gap bridge;
when the push rod moves vertically and is in contact with the second gap bridge, the push rod stops moving upwards under the limit of the second gap bridge.
Furthermore, a contact plate is arranged at a position, close to the hinge joint of the push rod and the pushing mechanism, of the push rod, the contact plate comprises an arc section close to one end of the first gap bridge, and when the push rod vertically moves and is in contact with the first gap bridge, the arc section on the contact plate is in contact with the first gap bridge so as to limit the push rod to continuously move upwards.
According to another aspect of the present invention, there is provided a hydraulic support, comprising a hydraulic support pushing apparatus as described above.
According to the hydraulic support pushing device and the hydraulic support, the vertical limiting mechanism and the horizontal limiting mechanism are arranged on the base on the pushing device, so that when the push rod moves on the base under the driving of the pushing mechanism, the moving range of the push rod is limited, the push rod is guaranteed to move approximately in a horizontal state, the normal work of the push rod is guaranteed, the push rod is prevented from being jacked to exceed the normal height range by an object positioned below the push rod, and the push rod is prevented from driving a scraper connected with the push rod to move to exceed the working range of the scraper.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a hydraulic support pushing device in the prior art
FIG. 2 is a schematic diagram of a hydraulic mount pusher jack according to an exemplary embodiment of the present invention;
FIG. 3 is a top view of a hydraulic mount pusher jack according to an exemplary embodiment of the present invention;
FIG. 4 is a schematic structural view of a putter in accordance with an exemplary embodiment of the present invention;
FIG. 5 is a perspective view of a pushrod according to an exemplary embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a base in accordance with an exemplary embodiment of the present invention;
fig. 7 is a schematic structural diagram of a connecting socket according to an exemplary embodiment of the present invention;
FIG. 8 is a schematic view of a first clevis of an exemplary embodiment of the present invention;
FIG. 9 is a schematic view of a pusher jack mechanism according to an exemplary embodiment of the present invention;
fig. 10 is a schematic structural diagram of a connecting head according to an exemplary embodiment of the present invention.
In the figure:
1 a-a base, 2 a-a push rod, 3 a-a pushing jack and 4 a-a connector;
1-a base;
2-a pushing mechanism, 201-a cylinder body, 202-a piston rod;
3-push rod, 301-body, 302-connecting seat, 303-first U-shaped seat, 3011-first cover plate, 3012-first main rib, 3013-second cover plate, 3014-second main rib, 3015-suspension ring seat, 3016-suspension ring, 3017-transverse rib and 3018-longitudinal rib;
4-a connector;
5-a first pin shaft;
6-a cotter pin;
7-a second pin shaft;
8-a second U-shaped seat;
9-a third pin shaft;
10-a fourth pin;
11-a first limiting plate;
12-a second limiting plate;
13-a first bridge;
14-a second bridge;
15-contact plate.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The invention provides a hydraulic support pushing device, which is shown in figures 2 and 3 and comprises a base 1, a pushing
As a preferred embodiment, referring to fig. 4 and 5, the
In a preferred embodiment, the reinforcing rib assembly includes a transverse rib 3017 and a longitudinal rib 3018, the transverse rib 3017 is parallel to the width direction of the putter body 301, and the longitudinal rib 3018 is parallel to the length direction of the putter body 301. In the present embodiment, the ram body 301 is reinforced by providing the horizontal bar 3017 and the vertical bar 3018 in the ram body 301.
In a preferred embodiment, the pushing
Further, the cylinder 201 of the pushing jack is detachably connected with the base 1 through a first fastening assembly. In this embodiment, the first fastening assembly comprises a second
Wherein, see fig. 9, the
As a preferred embodiment, referring to fig. 6, the horizontal limiting mechanism includes a first limiting plate 11 and a second limiting plate 12, the first limiting plate 11 is disposed near the hinge joint of the pushing
Further, the vertical limiting mechanism comprises a
The
According to another aspect of the present invention, there is provided a hydraulic support, comprising a hydraulic support pushing apparatus as described above.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
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