阅读说明：本技术 一种综采工作面液压支架用液压缸 (Hydraulic cylinder for hydraulic support of fully mechanized coal mining face ) 是由 不公告发明人 于 2018-06-26 设计创作，主要内容包括：本发明提供一种综采工作面液压支架用液压缸,包括钢筒一、高碳钢杆一、内六角螺栓一、内六角螺栓二、高碳钢杆二以及钢筒二,所述钢筒一焊接在缸体环形侧面后侧,所述高碳钢杆一左端安装在钢筒一内,所述高碳钢杆一右端通过内六角螺栓一与圆环相连接,所述钢筒二焊接在缸体环形侧面前侧,所述高碳钢杆二左端安装在钢筒二内,所述高碳钢杆二右端通过内六角螺栓二与圆环相连接,该设计通过高碳钢杆一和高碳钢杆二随着圆环运动分别在钢筒一和钢筒二内移动达到降低活塞杆受外力作用弯曲的概率,本发明强度高,具有抗弯效果,稳定性好。(The invention provides a hydraulic cylinder for a hydraulic support of a fully mechanized mining face, which comprises a first steel cylinder, a first high-carbon steel rod, a first inner hexagon bolt, a second high-carbon steel rod and a second steel cylinder, wherein the first steel cylinder is welded on the rear side of the annular side face of a cylinder body, the left end of the first high-carbon steel rod is installed in the first steel cylinder, the right end of the first high-carbon steel rod is connected with a circular ring through the first inner hexagon bolt, the second steel cylinder is welded on the front side of the annular side face of the cylinder body, the left end of the second high-carbon steel rod is installed in the second steel cylinder, and the right end of the second high-carbon steel rod is connected with the circular ring through the second inner hexagon bolt.)

1. The utility model provides a combine and adopt working face hydraulic cylinder for hydraulic support, strengthens subassembly (1), ring (2), piston rod (3), returns liquid mouth (4), cylinder body (5) and inlet (6) including intensity, its characterized in that: the left end of the piston rod (3) is embedded in the cylinder body (5), the circular ring (2) is welded on the right end face of the piston rod (3), the liquid return port (4) is arranged on the right side of the annular side face of the cylinder body (5), and the liquid inlet (6) is arranged on the left side of the annular side face of the cylinder body (5);

the strength reinforcing component (1) comprises a first steel cylinder (11), a first high-carbon steel rod (12), a first inner hexagon bolt (13), a second inner hexagon bolt (14), a second high-carbon steel rod (15) and a second steel cylinder (16), the first steel cylinder (11) is welded on the rear side of the annular side face of the cylinder body (5), the left end of the first high-carbon steel rod (12) is installed in the first steel cylinder (11), the right end of the first high-carbon steel rod (12) is connected with the circular ring (2) through the first inner hexagon bolt (13), the second steel cylinder (16) is welded on the front side of the annular side face of the cylinder body (5), the left end of the second high-carbon steel rod (15) is installed in the second steel cylinder (16), and the right end of the second high-carbon steel rod (15) is connected with the circular ring (2) through the second inner hexagon bolt (14).

2. The hydraulic cylinder for the hydraulic support of the fully mechanized mining face of claim 1, wherein: two sets of, two sets of are all installed to hexagon socket head cap screw (13) and hexagon socket head cap screw two (14) hexagon socket head cap screw (13) all install on high carbon steel pole (12) annular side right side, and are two sets of hexagon socket head cap screw two (14) are all installed on high carbon steel pole two (15) annular side right side.

3. The hydraulic cylinder for the hydraulic support of the fully mechanized mining face of claim 1, wherein: two sets of counter sink holes one have been seted up on high carbon steel pole one (12) annular side right side, two sets of counter sink holes two have been seted up on high carbon steel pole two (15) annular side right side, ring (2) annular side rear side is opened and is equipped with two sets of screw holes one and ring (2) annular side front side and has been seted up two sets of screw holes two, hexagon socket head cap screw one (13) are installed in counter sink hole one and hexagon socket head cap screw one (13) front end is installed in screw hole one, hexagon socket head cap screw two (14) are installed in counter sink hole two and hexagon socket head cap screw two (14) rear end is installed in screw hole two.

4. The hydraulic cylinder for the hydraulic support of the fully mechanized mining face of claim 1, wherein: the first steel cylinder (11) and the second steel cylinder (16) are the same in specification, and the first high-carbon steel rod (12) and the second high-carbon steel rod (15) are the same in specification.

Technical Field

The invention discloses a hydraulic cylinder for a hydraulic support of a fully mechanized mining face, and belongs to the technical field of hydraulic cylinders.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the hydraulic cylinder for the hydraulic support of the fully mechanized mining face, which is used for solving the problems in the background art.

In order to achieve the purpose, the invention is realized by the following technical scheme: a hydraulic cylinder for a hydraulic support of a fully mechanized mining face comprises a strength reinforcing component, a circular ring, a piston rod, a liquid return port, a cylinder body and a liquid inlet, the left end of the piston rod is embedded in the cylinder body, the circular ring is welded on the right end surface of the piston rod, the liquid return port is arranged on the right side of the annular side surface of the cylinder body, the liquid inlet is arranged on the left side of the annular side surface of the cylinder body, the strength reinforcing component comprises a first steel cylinder, a first high-carbon steel rod, a first inner hexagon bolt, a second high-carbon steel rod and a second steel cylinder, the first steel cylinder is welded at the rear side of the annular side surface of the cylinder body, the left end of the first high-carbon steel rod is arranged in the first steel cylinder, the right end of the high-carbon steel rod is connected with the circular ring through a first hexagon socket head cap screw, the second steel cylinder is welded on the front side of the annular side surface of the cylinder body, the left end of the high-carbon steel rod II is installed in the steel cylinder II, and the right end of the high-carbon steel rod II is connected with the circular ring through a hexagon socket head cap screw II.

Further, two sets of are all installed to hexagon socket head cap screw one and hexagon socket head cap screw two the hexagon socket head cap screw one all installs on a high carbon steel pole annular side right side, two sets of hexagon socket head cap screw two all installs on high carbon steel pole annular side right side.

Further, two sets of counter sink holes one have been seted up on a high carbon steel pole annular side right side, two sets of counter sink holes two have been seted up on a high carbon steel pole annular side right side, two sets of screw holes two have been seted up to ring annular side rear side and ring annular side front side, hexagon socket head cap screw installs in counter sink hole one and hexagon socket head cap screw front end installs in screw hole one, hexagon socket head cap screw two installs in counter sink hole two and hexagon socket head cap screw two rear ends installs in screw hole two.

Furthermore, the first steel cylinder and the second steel cylinder have the same specification, and the first high-carbon steel rod and the second high-carbon steel rod have the same specification.

The invention has the beneficial effects that: according to the hydraulic cylinder for the hydraulic support of the fully mechanized mining face, the first steel cylinder, the first high-carbon steel rod, the first inner hexagon bolt, the second high-carbon steel rod and the second steel cylinder are added, so that the problems that an original hydraulic cylinder for the hydraulic support of the fully mechanized mining face lacks a strength reinforcing structure, a piston rod is high in possibility of being bent under the action of an external force in the moving process of the hydraulic support, and the damage rate is high are solved, the probability that the piston rod is bent under the action of the external force is reduced by respectively moving the first high-carbon steel rod and the second high-carbon steel rod in the first steel cylinder and the second steel cylinder along with the circular motion, the bending resistance performance of the hydraulic cylinder is improved, and the damage rate of the piston rod is.

The design is convenient for the installation of the first inner hexagon bolt and the second inner hexagon bolt due to the addition of the first counter bore and the second counter bore, and the design is convenient for the connection of the first inner hexagon bolt and the second inner hexagon bolt with the ring due to the addition of the first threaded hole and the second threaded hole.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a hydraulic cylinder for a fully mechanized mining face hydraulic support of the present invention;

FIG. 2 is a schematic structural diagram of a strength reinforcing component in a hydraulic cylinder for a fully mechanized mining face hydraulic support according to the present invention;

in the figure: 1-strength reinforcing component, 2-ring, 3-piston rod, 4-liquid return port, 5-cylinder body, 6-liquid inlet, 11-steel cylinder I, 12-high carbon steel rod I, 13-inner hexagon bolt I, 14-inner hexagon bolt II, 15-high carbon steel rod II and 16-steel cylinder II.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a combine and adopt pneumatic cylinder for working face hydraulic support, strengthens subassembly 1, ring 2, piston rod 3, returns liquid mouth 4, cylinder body 5 and inlet 6 including intensity, and 3 left ends of piston rod are inlayed in cylinder body 5, and the welding of ring 2 is at 3 right-hand member faces of piston rod, returns liquid mouth 4 and installs on 5 annular side right sides of cylinder body, and inlet 6 installs on 5 annular side left sides of cylinder body.

The strength reinforcing component 1 comprises a first steel cylinder 11, a first high-carbon steel rod 12, a first hexagon socket head cap screw 13, a second hexagon socket head cap screw 14, a second high-carbon steel rod 15 and a second steel cylinder 16, the first steel cylinder 11 is welded on the rear side of the annular side face of the cylinder body 5, the left end of the first high-carbon steel rod 12 is installed in the first steel cylinder 11, the right end of the first high-carbon steel rod 12 is connected with the ring 2 through the first hexagon socket head cap screw 13, the second steel cylinder 16 is welded on the front side of the annular side face of the cylinder body 5, the left end of the second high-carbon steel rod 15 is installed in the second steel cylinder 16, the right end of the second high-carbon steel rod 15 is connected with the ring 2 through the second hexagon socket head cap screw 14, and the design achieves the purpose of reducing the probability that the piston rod 3 is bent under the action of external force through the fact that the.

Two groups of first inner hexagon bolts 13 and two groups of second inner hexagon bolts 14 are installed, two groups of first inner hexagon bolts 13 are installed on the right side of the first 12 annular side face of the high-carbon steel rod, two groups of second inner hexagon bolts 14 are installed on the right side of the second 15 annular side face of the high-carbon steel rod, two groups of first counter bores are formed in the right side of the second 15 annular side face of the high-carbon steel rod, two groups of first threaded holes and two groups of second threaded holes are formed in the rear side of the 2 annular side face of the ring, the first inner hexagon bolts 13 are installed in the first counter bores, the front ends of the first inner hexagon bolts 13 are installed in the first threaded holes, the second inner hexagon bolts 14 are installed in the second counter bores, the rear ends of the second inner hexagon bolts 14 are installed in the second threaded holes, the first steel cylinders 11 and the second steel cylinders 16 are identical in specification, and the first high-carbon steel rod 12 and the second high-carbon steel.