CN207094083U - A kind of damping base structure of mining machinery - Google Patents

Abstract

A kind of damping base structure of mining machinery, including crossbeam are the utility model is related to, is respectively connected with support column on the downside of the left and right ends of crossbeam, the lower end of support column is provided with support base；Connecting seat is provided with the upside of the middle part of crossbeam, the left part and right part of connecting seat are provided with connecting hole, the middle part lower end of connecting seat is provided with support tube, the lower surface of support tube and the lower surface of support base are in same level, the top of support tube is provided with buffer board, primary buffer structure is provided between buffer board and connecting seat, primary buffer structure includes multiple first buffer springs being uniformly arranged；The lower surface of buffer board is provided with level 2 buffering structure, and level 2 buffering structure includes piston rod, bracing diagonal, hydraulic cylinder, the second buffer spring and terminal pad；The utility model has the advantages of simple in construction, effectiveness in vibration suppression is obvious, the service life of lifting mining machinery.

Description

A kind of damping base structure of mining machinery

Technical field

The utility model belongs to mine mechanism technical field, and in particular to a kind of damping base knot of mining machinery Structure.

Background technology

Mining machinery is the machinery for being directly used in the operations such as mineral mining and Fu Xuan, mainly includes mining machine and ore separators Tool, mine locating machinery etc., in addition also using substantial amounts of crane, conveyer, ventilation blower and drainage machinery etc., mine in mine operation Machinery industry is to provide one of important foundation industry equipped for the exploitation and processing of solid material, material and fuel, is served The important basic industry such as black and nonferrous metallurgy, coal, building materials, chemical industry, nuclear industry department, its product in traffic, railway, build Build, also have extensive application in the capital construction of basic sector such as water conservancy and hydropower, mining machinery can typically produce more in operation Serious vibration, this partial vibration is not only to that can produce larger noise pollution, while also can cause one to mining equiment itself Determine the infringement of degree, when influenceing its service life, particularly downhole coal mine exploitation, inside coal mine roadway during operation, mining equiment When producing vibration, excessive vibration can have an impact to tunnel bottom and top plate, and serious meeting causes tunnel to produce certain split Gap, so as to endanger underground work safety.

Utility model content

The utility model provides a kind of damping base structure of mining machinery, and technical problem to be solved is：Existing The damping property of mining machinery vibration-proof structure is not sufficiently good, it is impossible to will vibrate the phenomenon decomposed step by step well.

In order to solve the above-mentioned technical problem, the utility model adopts the following technical scheme that：A kind of vibration damping bottom of mining machinery Holder structure, including crossbeam, support column are respectively connected with the downside of the left and right ends of crossbeam, the lower end of support column is provided with support base； The left part and right part of crossbeam are provided with bracing piece, and the lower end of bracing piece is connected with reinforcing plate, and the lower end of reinforcing plate is connected to branch Support the upper surface of seat；Connecting seat is provided with the upside of the middle part of crossbeam, the left part and right part of connecting seat are provided with connecting hole, connection The middle part lower end of seat is provided with support tube, and the lower surface of support tube and the lower surface of support base are in same level, support tube Top be provided with buffer board, be provided with primary buffer structure between buffer board and connecting seat, primary buffer structure includes uniform Multiple first buffer springs set；The lower surface of buffer board is provided with level 2 buffering structure, level 2 buffering structure include piston rod, Bracing diagonal, hydraulic cylinder, the second buffer spring and terminal pad, the upper end of piston rod are connected in the middle part of the lower surface of buffer board, piston The lower end of bar is connected with the hydraulic cylinder with internal cavity, and hydraulic cylinder is arranged on the upper surface of terminal pad, the inside of hydraulic cylinder The second buffer spring is provided with cavity, the left and right ends of connecting seat tilt respectively is connected with a bracing diagonal, and two connections are oblique The upper end of bar is connected to the lower surface of the buffer board of piston rod both sides；The lower end of terminal pad is connected with three-level buffer structure, three-level Buffer structure includes expansion link, connecting shaft, connecting rod, telescopic joint, fixing support and flexible runners, and the lower end of expansion link passes through company Spindle tilts and is connected with two connecting rods, and the end of two connecting rods is hinged with flexible runners, the inner side of two flexible runners Fixing support is connected with, it is flexible to be attached between runners and fixing support by telescopic joint；The outside of flexible runners and support Against buffer ferrule is provided between the madial wall of cylinder, the 3rd buffer spring, the lower outside of support tube are provided with buffer ferrule It is surrounded with reinforcement sleeve.

Preferably, the upper end of the first buffer spring is connected to the lower surface of connecting seat, and the lower end of the first buffer spring is connected to slow The upper surface of punching.

Preferably, terminal pad is the pied geometry with the link slot being adapted with bracing diagonal.

Preferably, buffer board and two bracing diagonals form three-legged structure.

Relative to prior art, the beneficial effects of the utility model are：Connecting seat is placed above this damping base structure The vibration that is passed over of mining machinery carry out decomposing buffering step by step, most the amplitude reduction of vibration damping arrives minimum degree at last, slow The first buffer spring on punching and on the upside of it plays a part of primary buffering, hydraulic cylinder and hydraulic stem and bracing diagonal play into The cushioning effect of one step, connecting rod and fixing support and movable runners on the downside of terminal pad arrive the pressure transmission that top transmission comes In buffer ferrule, most pressure passes to the side wall to support tube at last, and the reinforcement sleeve that support tube side-wall outer side is set can play Strengthen the effect of protection, whole vibration reduction and cushioning processing efficient is stable, the vibration that well can be passed over mining machinery Carry out buffering and filter out the vibration abnormal sound that can reduce Work places, protective effect effectively is produced to mining machinery, lifting it makes Use the life-span；The utility model has the advantages of simple in construction, effectiveness in vibration suppression is obvious, the service life of lifting mining machinery.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is enlarged drawing at Fig. 1 A.

In figure：1st, support base 2, crossbeam 3, connecting seat 4, the first buffer spring 5, buffer board 6, support tube 7, bracing piece 8th, connecting hole 9, reinforcing plate 10, strengthen sleeve 11, be piston rod 12, hydraulic cylinder 13, terminal pad 14, connecting rod 15, flexible Section 16, fixing support 17, flexible runners 18, the 3rd buffer spring 19, buffer ferrule 20, connecting shaft 21, expansion link 22, Bracing diagonal 23, the second buffer spring 24, support column.

Embodiment

Embodiment：As shown in Figure 1-2, in order to solve the above-mentioned technical problem, the utility model adopts the following technical scheme that：One The damping base structure of mining machinery, including crossbeam 2 are planted, support column 24 is respectively connected with the downside of the left and right ends of crossbeam 2, supports The lower end of post 24 is provided with support base 1；The left part and right part of crossbeam 2 are provided with bracing piece 7, and the lower end of bracing piece 7 is connected with Reinforcing plate 9, the lower end of reinforcing plate 9 are connected to the upper surface of support base 1；Connecting seat 3 is provided with the upside of the middle part of crossbeam 2, is connected The left part and right part of seat 3 are provided with connecting hole 8, and the middle part lower end of connecting seat 3 is provided with support tube 6, the lower surface of support tube 6 In same level, the top of support tube 6 is provided with buffer board 5 for lower surface with support base 1, buffer board 5 and connecting seat 3 it Between be provided with primary buffer structure, primary buffer structure includes multiple first buffer springs 4 being uniformly arranged, the first buffer spring 4 Upper end is connected to the lower surface of connecting seat 3, and the lower end of the first buffer spring 4 is connected to the upper surface of buffer board 5；Under buffer board 5 End face is provided with level 2 buffering structure, and level 2 buffering structure includes piston rod 11, bracing diagonal 22, hydraulic cylinder 12, second and buffered Spring 23 and terminal pad 13, terminal pad 13 are the pied geometry with the link slot being adapted with bracing diagonal 22, piston rod 11 Upper end is connected in the middle part of the lower surface of buffer board 5, and the lower end of piston rod 11 is connected with the hydraulic cylinder 12 with internal cavity, liquid Cylinder pressure 12 is arranged on the upper surface of terminal pad 13, and the second buffer spring 23 is provided with the internal cavity of hydraulic cylinder 12, connecting seat 3 Left and right ends tilt respectively is connected with a bracing diagonal 22, and the upper end of two bracing diagonals 22 is connected to the both sides of piston rod 11 The lower surface of buffer board 5；The lower end of terminal pad 13 is connected with three-level buffer structure, and three-level buffer structure includes expansion link 21, connected Spindle 20, connecting rod 14, telescopic joint 15, fixing support 16 and flexible runners 17, the lower end of expansion link 21 are inclined by connecting shaft 20 Two connecting rods 14 are tiltedly connected with, buffer board 5 and two bracing diagonals 22 form three-legged structure, and the end of two connecting rods 14 is equal Flexible runners 17 is hinged with, the inner side of two flexible runners 17 is connected with fixing support 16, and stretch runners 17 and fixing support 16 Between be attached by telescopic joint 15；Abutted between the outside of flexible runners 17 and the madial wall of support tube 6 and be provided with buffering Sleeve pipe 19, the 3rd buffer spring 18 is provided with buffer ferrule 19, the lower outside of support tube 6, which is surrounded with, strengthens sleeve 10.

The utility model implement when, by the connecting hole on connecting seat by this understructure be placed on will operation ore deposit Mountain machinery bottom, the supporting role of bottom is played using support base and support column, then this damping base structure will connection The vibration that the mining machinery that is placed above of seat is passed over carries out decomposing buffering step by step, most at last the amplitude reduction of vibration damping to most Small degree, the first buffer spring on buffer board and on the upside of it play a part of primary buffering；Hydraulic cylinder and hydraulic stem and connection Brace plays the effect of two level vibration reduction and cushioning, and the pressure that buffer board is delivered to bottom is entered by the piston rod of hydraulic cylinder upper end first Row buffering, in the process, bracing diagonal, which plays, strengthens fixed effect；The company of three-level damping, buffering structure on the downside of terminal pad Extension bar and fixing support and movable runners are by the pressure transmission that top transmission comes to buffer ferrule, and most pressure is passed to branch at last The side wall of cylinder is supportted, the reinforcement sleeve that support tube side-wall outer side is set can play a part of strengthening protection, whole vibration reduction and cushioning mistake Journey efficient stable, the vibration that well can be passed over mining machinery carry out buffering and filtered out that Work places can be reduced Vibration abnormal sound, effectively to mining machinery produce protective effect, lift its service life；The utility model have it is simple in construction, The advantages of effectiveness in vibration suppression is obvious, the service life of lifting mining machinery.

Claims (4)

1. A kind of 1. damping base structure of mining machinery, it is characterised in that：Including crossbeam, the downside of the left and right ends of the crossbeam Support column is respectively connected with, the lower end of support column is provided with support base；The left part and right part of the crossbeam are provided with bracing piece, add The lower end of strong bar is connected with reinforcing plate, and the lower end of reinforcing plate is connected to the upper surface of support base；Set on the upside of the middle part of the crossbeam Connecting seat is equipped with, the left part and right part of connecting seat are provided with connecting hole, and the middle part lower end of connecting seat is provided with support tube, support In same level, the top of support tube is provided with buffer board, buffer board and company for the lower surface of cylinder and the lower surface of support base Primary buffer structure is provided between joint chair, primary buffer structure includes multiple first buffer springs being uniformly arranged；The buffering The lower surface of plate is provided with level 2 buffering structure, and level 2 buffering structure includes piston rod, bracing diagonal, hydraulic cylinder, the second buffering Spring and terminal pad, the upper end of piston rod are connected in the middle part of the lower surface of buffer board, and the lower end of piston rod is with carrying internal cavity Hydraulic cylinder is connected, and hydraulic cylinder is arranged on the upper surface of terminal pad, and the second buffer spring is provided with the internal cavity of hydraulic cylinder, even The left and right ends of joint chair tilt respectively is connected with a bracing diagonal, and the upper end of two bracing diagonals is connected to piston rod both sides The lower surface of buffer board；The lower end of the terminal pad is connected with three-level buffer structure, and three-level buffer structure includes expansion link, connection Axle, connecting rod, telescopic joint, fixing support and flexible runners, the lower end of expansion link is tilted by connecting shaft is connected with two connections Bar, the end of two connecting rods are hinged with flexible runners, fixing support are connected with the inside of two flexible runners, and stretch runners It is attached between fixing support by telescopic joint；Abut and set between the outside of the flexible runners and the madial wall of support tube Buffer ferrule is equipped with, the 3rd buffer spring is provided with buffer ferrule, the lower outside of support tube is surrounded with reinforcement sleeve.
2. A kind of 2. damping base structure of mining machinery according to claim 1, it is characterised in that：The first described buffering The upper end of spring is connected to the lower surface of connecting seat, and the lower end of the first buffer spring is connected to the upper surface of buffer board.
3. A kind of 3. damping base structure of mining machinery according to claim 1, it is characterised in that：Described terminal pad is Pied geometry with the link slot being adapted with bracing diagonal.
4. A kind of 4. damping base structure of mining machinery according to claim 1, it is characterised in that：Described buffer board with Two bracing diagonals form three-legged structure.