Shock absorption base of coal mining machine

Abstract

The utility model relates to the technical field of coal mining machines, in particular to a coal mining machine damping base which comprises a fixing plate, a fixing frame is arranged at the top end of the fixing plate, an inserting groove is formed in the inner wall of the fixing frame, an inserting block is connected to the inner wall of the inserting groove in a sliding mode, and a supporting column is fixedly connected to one side of the inserting block. And first springs are arranged on the surfaces of the supporting columns. According to the damping base of the coal mining machine, hydraulic oil is put into the fixing frame from the connecting pipe, the electromagnetic valve is used for opening and closing the connecting pipe, when the top end structure moves downwards for damping, due to the existence of the hydraulic oil, the downward moving speed of the top end structure can be reduced, but the acceleration cannot be zero instantly, and the springback speed can be reduced instantly when the spring is extruded; the space for extruding the spring is reduced, the situation of liquid leakage when hydraulic oil is extruded can be avoided through installation of the sealing ring, and therefore the damping effect is improved, and the situation that the damping effect is poor due to the fact that the spring reciprocates only through installation of the spring is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coal mining machine technical field, concretely is a coal mining machine damping base. BACKGROUND

[0002] The coal mining machine is one of main equipment of fully mechanized mining complete equipment. The coal mining machine is evolved from the coal cutter. The coal mining machine is a large complex system integrating machinery, electricity and hydraulic pressure, and the working environment is very bad, so if a fault occurs, the whole coal mining work will be interrupted, and great economic losses will be caused. The base of the prior art coal mining machine is usually used for stabilizing the coal mining machine.

[0003] However, the prior art coal mining machine damping base has the following shortcomings:

[0004] The prior art coal mining machine damping base has weak damping effect, and in use, the prior art damping base only relies on the spring for damping, and the damping effect is poor. TECHNICAL CONTENT

[0005] The utility model discloses a coal mining machine damping base to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a coal mining machine damping base, including fixed plate, the top of fixed plate is provided with fixed frame, the inner wall of fixed frame is opened and is provided with the slot, the inner wall of slot is slidably connected with the plug, one side of plug is fixedly connected with the support column, the surface of support column is provided with first spring, both sides of support column are fixedly connected with fixed block, the inner wall of fixed block is rotatably connected with connecting plate, one side of connecting plate is rotatably connected with support plate, one side of fixed frame is fixedly connected with connecting pipe, the surface of connecting pipe is provided with electromagnetic valve, the inner wall of connecting pipe is provided with sealing ring.

[0007] Optionally, the top of the fixed plate is provided with a limiting rod on both sides, the surface of the limiting rod is provided with a second spring, the second spring is connected through the limiting rod, and the second spring is used for improving the damping effect. The second spring is larger in diameter than the first spring, and the buffering and damping effect can be increased.

[0008] Optionally, the bottom end of the limiting rod is fixedly connected with a base, and the base is installed to support the top structure.

[0009] Optionally, the surface of the base is fixedly connected with a square plate, the top of the square plate is threadedly connected with a bolt, and the square plate can be fixed on the surface of other objects by rotating the bolt to fix the base.

[0010] Optionally, the support plate is located above the support column.

[0011] Optionally, the limiting rods are symmetrically distributed at the bottom end of the support plate.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. the existing coal mining machine damping base, through the setting of connecting pipe, electromagnetic valve and sealing ring, when using, through the hydraulic oil from the connecting pipe into the fixed frame, electromagnetic valve is used for switch closing connecting pipe, when the top structure moves downward and is damped, because the existence of hydraulic oil can slow down the speed of the top structure moving downward, but will not make acceleration instantaneous 0, spring can delay the rebound speed in the moment of being extruded, reduce the space of spring being extruded, the installation of sealing ring can avoid the situation of liquid leakage when hydraulic oil is extruded, thereby reach increase damping effect, avoid the situation that only the installation of spring causes the poor damping effect of spring reciprocating motion.

[0014] 2. the existing coal mining machine damping base, through the setting of fixed plate, fixed frame, slot, insert block, support column, first spring, connecting plate and support plate, when using, through the fixed plate fixed frame, the slot of fixed frame is connected with insert block, can improve the stability of support column sliding in the fixed frame, because the slot and insert block are mutually clamped and can only move up and down, avoid the structure instability caused by the collision of the device causing left and right rotation, the installation of first spring provides the effect of buffering, the installation of connecting plate is used for connecting with support plate, thereby reach the effect of improving the stability of device damping buffering. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall appearance schematic view of the utility model;

[0016] Figure 2 It is the fixed frame split schematic view of the utility model;

[0017] Figure 3 It is the base enlarged schematic view of the utility model;

[0018] Figure 4 It is the limiting rod enlarged schematic view of the utility model.

[0019] In the drawing: 1, fixed plate;2, fixed frame;3, slot;4, insert block;5, support column;6, first spring;7, fixed block;8, connecting plate;9, support plate;10, connecting pipe;11, electromagnetic valve;12, sealing;13, limiting rod;14, second spring;15, base;16, square plate;17, bolt. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme provided by the utility model for a kind of coal winning machine shock absorbing base, including fixed plate 1, the top of fixed plate 1 is provided with fixed frame 2, the inner wall of fixed frame 2 is opened with slot 3, slot 3 inner wall is slidably connected with plug 4, the side of plug 4 is fixedly connected with support column 5, the surface of support column 5 is provided with first spring 6, the both sides of support column 5 are fixedly connected with fixed block 7, the inner wall of fixed block 7 is rotatably connected with connecting plate 8, the side of connecting plate 8 is rotatably connected with support plate 9, the side of fixed frame 2 is fixedly connected with connecting pipe 10, the surface of connecting pipe 10 is provided with electromagnetic valve 11, the inner wall of connecting pipe 10 is provided with sealing ring 12, by being placed into fixed frame 2 from connecting pipe 10 with hydraulic oil, electromagnetic valve 11 is used for switch closing connecting pipe 10, when top structure moves downward shock absorbing, because of the existence of hydraulic oil, the speed of top structure moving downward can be slowed down, but acceleration will not be 0 instantaneously, spring can delay rebound speed in being extruded instantaneously, reduce the space of spring being extruded, the installation of sealing ring 12 can avoid the situation of liquid leakage when hydraulic oil is extruded, to increase shock absorbing effect, avoid the situation that only the installation of spring causes poor shock absorbing effect of spring reciprocating motion, fixed frame 2 is fixed by fixed plate 1, the slot 3 of fixed frame 2 is connected with plug 4, can improve the stability of support column 5 sliding in fixed frame 2, because slot 3 and plug 4 are mutually clamped and can only move up and down, avoid the instability of structure caused by the collision of device causing left and right rotation, the installation of first spring 6 provides the effect of buffering, the installation of connecting plate 8 is used for being connected with support plate 9, to improve the stability of device shock absorbing and buffering;

[0022] The both sides of the top of fixed plate 1 are provided with limiting rod 13, the surface of limiting rod 13 is provided with second spring 14, connecting second spring 14 by limiting rod 13, second spring 14 is used for improving shock absorbing effect, the diameter of second spring 14 is larger than that of first spring 6, to increase buffering and shock absorbing effect;

[0023] The bottom of limiting rod 13 is fixedly connected with base 15, the installation of base 15 is used for supporting top structure;

[0024] The surface of base 15 is fixedly connected with square plate 16, the top of square plate 16 is threadedly connected with bolt 17, rotating bolt 17 can fix square plate 16 on the surface of other object to fix base 15.

[0025] The support plate 9 is located above the support column 5;

[0026] The limiting rods 13 are symmetrically distributed at the bottom end of the support plate 9 .

[0027] In the present invention, the working steps of the device are as follows:

[0028] Step 1: Hydraulic oil is introduced into the fixed frame 2 from the connecting pipe 10, and the solenoid valve 11 is used to open and close the connecting pipe 10. When the top structure moves downward for shock absorption, the presence of the hydraulic oil can slow down the speed of the top structure's downward movement, but will not instantly reduce the acceleration to 0. The spring can delay its rebound speed at the moment of being squeezed, reducing the space where the spring is squeezed. The installation of the sealing ring 12 can avoid leakage when the hydraulic oil is squeezed, thereby achieving an increased shock absorption effect and avoiding the situation where the spring reciprocating motion has a poor shock absorption effect due to the installation of the spring alone;

[0029] Step 2: Fix the fixing frame 2 by the fixing plate 1. The slot 3 provided in the fixing frame 2 is connected to the insert block 4, which can improve the stability of the support column 5 sliding inside the fixing frame 2. Since the slot 3 and the insert block 4 are mutually engaged and can only move up and down, the structural instability caused by the left and right rotation of the device due to collision is avoided. The installation of the first spring 6 provides a buffering effect. The installation of the connecting plate 8 is used to connect with the support plate 9, thereby achieving the effect of improving the stability of the device's shock absorption and buffering.

[0030] The third step: connect the second spring 14 through the limiting rod 13. The second spring 14 is used to improve the shock absorption effect. The second spring 14 has a larger diameter than the first spring 6, which can increase the buffering and shock absorption effect. The installation of the base 15 is used to support the top structure. The square plate 16 can be fixed to the surface of other objects by rotating the bolt 17 to fix the base 15.

[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A shock-absorbing base for a coal mining machine, comprising a fixing plate (1), characterized in that: A fixing frame (2) is provided at the top of the fixing plate (1), a slot (3) is provided on the inner wall of the fixing frame (2), an insert block (4) is slidably connected to the inner wall of the slot (3), a support column (5) is fixedly connected to one side of the insert block (4), a first spring (6) is provided on the surface of the support column (5), a fixing block (7) is fixedly connected to both sides of the support column (5), a connecting plate (8) is rotatably connected to the inner wall of the fixing block (7), a supporting plate (9) is rotatably connected to one side of the connecting plate (8), a connecting pipe (10) is fixedly connected to one side of the fixing frame (2), a solenoid valve (11) is provided on the surface of the connecting pipe (10), and a sealing ring (12) is provided on the inner wall of the connecting pipe (10).

2. A coal mining machine shock-absorbing base according to claim 1, characterized in that: Limiting rods (13) are provided on both sides of the top end of the fixing plate (1), and a second spring (14) is provided on the surface of the limiting rods (13).

3. The shock-absorbing base of a coal mining machine according to claim 2, characterized in that: The bottom end of the limiting rod (13) is fixedly connected to a base (15).

4. The shock-absorbing base of a coal mining machine according to claim 3, characterized in that: A connecting plate (8) is fixedly connected to the surface of the base (15), and a bolt (17) is threadedly connected to the top end of the connecting plate (8).

5. The shock-absorbing base of a coal mining machine according to claim 1, characterized in that: The support plate (9) is located above the support column (5).

6. The shock-absorbing base of a coal mining machine according to claim 2, characterized in that: The limiting rods (13) are symmetrically distributed at the bottom end of the support plate (9).

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