阅读说明：本技术 一种矿井原煤皮带机头液压调节阻尼装置及其工作方法 (A kind of mine raw coal belt conveyer head hydraulic regulation damping unit and its working method ) 是由 田崔海 李伟生 战仕发 刘文峰 张永强 王振波 张文豪 于 2019-09-21 设计创作，主要内容包括：本发明公开了一种矿井原煤皮带机头液压调节阻尼装置及其工作方法,属于煤矿设备技术领域,设置在皮带机头的输出侧,包括侧板、底板、横梁、安装支耳、液压缸和缓冲板,两个侧板面对面对称设置,底板和若干横梁连接在两个侧板之间,若干安装支耳设置在侧板的外壁底部,液压缸的一端通过液压缸支耳安装在底板顶面上,液压缸的另一端通过转接头连接缓冲板的后部,缓冲板在液压缸驱动下沿着导向结构在底板上前后往复滑动,缓冲板前端探出底板的前沿。本发明所提供的技术方案,能够针对变化的皮带机头抛射输出的原煤物料流进行相应的缓冲落料点的调整,对下游的振动筛起到更好保护作用。(The invention discloses a kind of mine raw coal belt conveyer head hydraulic regulation damping unit and its working methods, belong to technical field of coal mine equipment, the outlet side of belt conveyer head is set, including side plate, bottom plate, crossbeam, trunnion is installed, hydraulic cylinder and buffer board, two side plates are symmetrical arranged face-to-face, bottom plate and several crossbeams are connected between two side plates, the outer wall bottom of side plate is arranged in several installation trunnions, one end of hydraulic cylinder is mounted on plate top surface by hydraulic cylinder trunnion, the other end of hydraulic cylinder connects the rear portion of buffer board by adapter, along guide frame, front and back reciprocatingly slides buffer board on bottom plate under Driven by Hydraulic Cylinder, buffering front edge of board leans out the forward position of bottom plate.Technical solution provided by the present invention, the raw coal material stream that can cast output for the belt conveyer head of variation carry out the adjustment of corresponding buffer blanking point, play more preferable protective effect to the vibrating screen in downstream.)

1. a kind of mine raw coal belt conveyer head hydraulic regulation damping unit, is arranged in the outlet side of the belt conveyer head, feature It is: including side plate (1), bottom plate (2), crossbeam (3), installation trunnion (4), hydraulic cylinder (5) and buffer board (6), two sides Plate (1) is symmetrical arranged face-to-face, and the bottom plate (2) and several crossbeams (3) are connected between two side plates (1), if Installation trunnion (4) setting is done in the outer wall bottom of the side plate (1), one end of the hydraulic cylinder (5) passes through hydraulic cylinder branch Ear (501) is mounted on the bottom plate (2) top surface, and the other end of the hydraulic cylinder (5) is connected described slow by adapter (502) The rear portion of punching (6), the buffer board (6) are gone forward along guide frame in the bottom plate (2) in the case where the hydraulic cylinder (5) drive After reciprocatingly slide, buffer board (6) front end leans out the forward position of the bottom plate (2).

2. mine raw coal belt conveyer head hydraulic regulation damping unit according to claim 1, it is characterised in that: the side plate (1) outer wall upper and lower side is connected with protective edge (101), and the lower surface of the bottom plate (2) is provided with several first reinforcing ribs (201), The both ends of first reinforcing rib (201) are connected on the inner wall of the side plate (1).

3. mine raw coal belt conveyer head hydraulic regulation damping unit according to claim 2, it is characterised in that: the installation Trunnion (4) specifically uses H profile steel or I-steel, described in the upper surface and upper end of installation trunnion (4) between protective edge (101) It is connected with the second reinforcing rib (401)；The crossbeam (3) specifically uses angle steel or square tube.

4. mine raw coal belt conveyer head hydraulic regulation damping unit according to claim 1, it is characterised in that: described hydraulic It is provided at the top of cylinder (5) shield (503), the section of the shield (503) is C-type steel structure, the front end of the shield (503) The top in the adapter (502), hydraulic cylinder (5) described in shield (503) covered protection is bolted.

5. mine raw coal belt conveyer head hydraulic regulation damping unit according to claim 1, it is characterised in that: the guiding Structure includes two sliding slot items (7), and the section of the sliding slot item (7) is L-type, and two sliding slot items (7) are symmetricly set on institute The inner wall of side plate (1) and the upper surface intersection of the bottom plate (2) are stated, the notch of the sliding slot item (7) is arranged inwardly downward, institute Two sides for stating buffer board (6) slide back and forth in the notch of the sliding slot item (7).

6. mine raw coal belt conveyer head hydraulic regulation damping unit according to claim 1, it is characterised in that: liquid of the present invention Pressure adjusts the hydraulic cylinder (5) that damping unit specifically uses two synchronous workings, and the hydraulic cylinder (5) and the hydraulic cylinder The connection of trunnion (501) and adapter (502) is all made of the hinged connection type of pin shaft.

7. a kind of working method of mine raw coal belt conveyer head hydraulic regulation damping unit, it is characterised in that: utilize aforesaid right It is required that mine raw coal belt conveyer head hydraulic regulation damping unit described in 1~6 any one casts output to the belt feeder Raw coal material stream carries out damping work.

8. the working method of mine raw coal belt conveyer head hydraulic regulation damping unit according to claim 7, feature exist In: the hydraulic cylinder (5) drives buffer board (6) front and back adjustment, accurately accepts the raw coal that the belt feeder casts output Material stream.

Technical field

The present invention relates to technical field of coal mine equipment more particularly to a kind of mine raw coal belt conveyer head hydraulic regulation damping dresses It sets and its working method.

Background technique

With the continuous development of social economy and science and technology, mine resources are still modern social economy and development in science and technology Mainstay.But in coal mining, since the raw coal material of belt feeder transport is excessive overweight, it is very easy to smash belt feeder The sieve plate of the vibrating screen in downstream, and have very big loss to the service life of vibrating screen.And since underground coal mine environment is poor, tool Few, replacement sieve plate is very troublesome, therefore workload is very big, wastes a large amount of manpower and material resources.And replace the whole coal mining of sieve plate Production line needs to shut down, and seriously affects the normal production operation of coal mine.

Currently, some underground coal mines are delayed using the raw coal material stream that buffering damping device casts output to belt conveyer head Punching, but there is due to the raw coal material parabola of belt feeder and theoretically error, existing buffering damping device is fallen Shots cannot be adjusted according to raw coal material stream, and part raw coal material stream can so directly pounded to vibrating screen, reduces vibration The dynamic sieve service life, and screening effect is poor, influences coal production.

Therefore, it is necessary to develop a kind of New Mine raw coal belt conveyer head hydraulic regulation damping dress for disadvantage mentioned above It sets.

Summary of the invention

The object of the present invention is to provide a kind of mine raw coal belt conveyer head hydraulic regulation damping unit and its working method, energy The raw coal material stream that enough belt conveyer heads for variation cast output carries out the adjustment of corresponding buffer blanking point, the vibration to downstream Dynamic sieve plays more preferable protective effect.

In order to solve the above technical problems, the present invention adopts the following technical scheme:

A kind of mine raw coal belt conveyer head hydraulic regulation damping unit of the present invention, is arranged in the output of the belt conveyer head Side, including side plate, bottom plate, crossbeam, installation trunnion, hydraulic cylinder and buffer board, two side plates are symmetrical arranged face-to-face, described Bottom plate and several crossbeams are connected between two side plates, and the outer wall of the side plate is arranged in several installation trunnions One end of bottom, the hydraulic cylinder is mounted on the plate top surface by hydraulic cylinder trunnion, and the other end of the hydraulic cylinder is logical The rear portion that adapter connects the buffer board is crossed, the buffer board is under the Driven by Hydraulic Cylinder along guide frame at the bottom Front and back reciprocatingly slides on plate, and the buffering front edge of board leans out the forward position of the bottom plate.

Further, the outer wall upper and lower side of the side plate is connected with protective edge, and the lower surface of the bottom plate is provided with several The both ends of one reinforcing rib, first reinforcing rib are connected on the inner wall of the side plate.

Further, the installation trunnion specifically uses H profile steel or I-steel, the upper surface of the installation trunnion and upper It holds and is connected with the second reinforcing rib between the protective edge；The crossbeam specifically uses angle steel or square tube.

Further, shield is provided at the top of the hydraulic cylinder, the section of the shield is C-type steel structure, the shield The front end of cover is bolted at the top of the adapter, hydraulic cylinder described in the shield covered protection.

Further, the guide frame includes two sliding slot items, and the section of the sliding slot item is L-type, two cunnings Groove bar is symmetricly set on the inner wall of the side plate and the upper surface intersection of the bottom plate, and the notch of the sliding slot item is inwardly downward Setting, two sides of the buffer board slide back and forth in the notch of the sliding slot item.

Further, hydraulic regulation damping unit of the present invention specifically uses the hydraulic cylinder of two synchronous workings, and institute The connection for stating hydraulic cylinder and the hydraulic cylinder trunnion and adapter is all made of the hinged connection type of pin shaft.

The present invention also provides a kind of working methods of mine raw coal belt conveyer head hydraulic regulation damping unit accordingly, including Output is cast to the belt feeder using mine raw coal belt conveyer head hydraulic regulation damping unit described in above-mentioned any one Raw coal material stream carries out damping work.

Further, it is defeated accurately to accept the belt feeder projectile for adjustment before and after buffer board described in the Driven by Hydraulic Cylinder Raw coal material stream out.

Compared with prior art, advantageous effects of the invention:

A kind of mine raw coal belt conveyer head hydraulic regulation damping unit of the present invention, by Driven by Hydraulic Cylinder buffer board in bottom plate Upper front and back reciprocatingly slides, and buffer board is used to accept the raw coal material stream that the belt conveyer head casts output, conveniently adapts to variation Raw coal material stream parabola drop point, and then more preferable protective effect is played to the vibrating screen in downstream, improve vibrating screen uses the longevity Life.

In addition, passing through the setting of protective edge and the first reinforcing rib, the stiffness and strength that protective edge can enhance side plate reduce side plate The deformation occurred under the impact of raw coal material stream；First reinforcing rib can increase the structural strength of single unit system, while greatly The hole impact capacity for improving bottom plate.By the setting of the second reinforcing rib, reduce side convenient for increasing the stiffness and strength of side plate The deformation that plate occurs under the impact of raw coal material stream；The preferable profile of stiffness and strength is used by crossbeam and installation trunnion, Both the integral strength for having increased mine raw coal belt conveyer head hydraulic regulation damping unit of the present invention, is also convenient for fabricating, and saves Cost.It by the setting of two sliding slot items of welded connecting, is slid back and forth convenient for buffer board in bottom plate, and can prevent from delaying The danger that punching topples under the impact of the raw coal coal cinder under projectile.The setting of the hydraulic cylinder to be worked asynchronously by two, Be conducive to increase the stability that buffer board slides back and forth in bottom plate, can effectively prevent that the card plug situation of left and right directions occurs.

Detailed description of the invention

The invention will be further described for explanation with reference to the accompanying drawing.

Fig. 1 is mine raw coal belt conveyer head hydraulic regulation damping unit schematic diagram of main cross-sectional structure of the present invention；

Fig. 2 is mine raw coal belt conveyer head hydraulic regulation damping unit left view schematic cross-sectional view of the present invention；

Description of symbols: 1, side plate；101, protective edge；2, bottom plate；201, the first reinforcing rib；3, crossbeam；4, trunnion is installed； 401, the second reinforcing rib；5, hydraulic cylinder；501, hydraulic cylinder trunnion；502, adapter；503, shield；6, buffer board；7, sliding slot item.

Specific embodiment

Core of the invention is to provide a kind of mine raw coal belt conveyer head hydraulic regulation damping unit, can be for variation The raw coal material stream that belt conveyer head casts output carries out the adjustment of corresponding buffer blanking point, plays more preferably to the vibrating screen in downstream Protective effect.

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear and complete Description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.Detailed description of the invention, it is equal to the description of upper and lower, left and right in following specific embodiments It is to be not considered as limiting the invention for Figure of description.

In a specific embodiment of the invention, as depicted in figs. 1 and 2, a kind of hydraulic tune of mine raw coal belt conveyer head Damping unit is saved, the outlet side of belt conveyer head is mounted on, including side plate 1, bottom plate 2, crossbeam 3, installation trunnion 4, hydraulic cylinder 5 ease up Punching 6, two side plates 1 are symmetrical arranged face-to-face, and bottom plate 2 and several crossbeams 3 are connected between two side plates 1, and then form frame Frame structure；The outer wall bottom of side plate 1 is arranged in several installation trunnions 4, and installation trunnion 4 is used to the present apparatus being installed to support of mines On；One end of hydraulic cylinder 5 is mounted on 2 top surface of bottom plate by hydraulic cylinder trunnion 501, and the other end of hydraulic cylinder 5 passes through adapter The rear portion of 502 connection buffer boards 6, along guide frame, front and back reciprocatingly slides buffer board 6 on a base plate 2 under the driving of hydraulic cylinder 5, 6 front end of buffer board leans out the forward position of bottom plate 2, and buffer board 6 is used to accept the raw coal material stream that the belt conveyer head casts output.

Mine raw coal belt conveyer head hydraulic regulation damping unit of the present invention drives buffer board 6 in bottom plate 2 by hydraulic cylinder 5 Upper front and back reciprocatingly slides, and buffer board 6 is used to accept the raw coal material stream that the belt conveyer head casts output, conveniently adapts to variation Raw coal material stream parabola drop point, and then more preferable protective effect is played to the vibrating screen in downstream, improve vibrating screen uses the longevity Life.

In a specific embodiment of the invention, as depicted in figs. 1 and 2, the outer wall upper and lower side of side plate 1 is welded and connected with Protective edge 101, the lower surface of bottom plate 2 are welded and connected with several first reinforcing ribs 201, and the both ends of the first reinforcing rib 201 are welded to connect On the inner wall of side plate 1.By the setting of protective edge 101 and the first reinforcing rib 201, protective edge 101 can enhance the rigidity of side plate 1 Reduce the deformation that side plate 1 occurs under the impact of raw coal material stream with intensity；First reinforcing rib 201 can increase single unit system Structural strength, while being greatly improved the hole impact capacity of bottom plate 2.

In a specific embodiment of the invention, as depicted in figs. 1 and 2, installation trunnion 4 specifically using H profile steel or I-steel, the rigidity of structure and intensity with higher are installed and are welded and connected between the upper surface and upper end protective edge 101 of trunnion 4 Second reinforcing rib 401；Crossbeam 3 specifically uses angle steel or square tube.By the setting of the second reinforcing rib 401, convenient for increasing side plate 1 Stiffness and strength reduce the deformation that occurs under the impact of raw coal material stream of side plate 1；Install trunnion 4 specifically using H profile steel or Person's I-steel, crossbeam 3 specifically use angle steel or square tube, use the preferable type of stiffness and strength by crossbeam 3 and installation trunnion 4 Material had both increased the integral strength of mine raw coal belt conveyer head hydraulic regulation damping unit of the present invention, and had been also convenient for fabricating, section Cost is saved.

In a specific embodiment of the invention, as depicted in figs. 1 and 2, the top of hydraulic cylinder 5 is provided with shield 503, The cross section of shield 503 is C-type steel structure, and the front end of shield 503 is bolted in the top of adapter 502, shield 503 Covered protection hydraulic cylinder 5 is simultaneously slided with the flexible of hydraulic cylinder 5.By the setting of shield 503, the raw coal coal under casting is prevented Block injures hydraulic cylinder 5 by a crashing object, improves the service life of the present apparatus.

In a specific embodiment of the invention, as depicted in figs. 1 and 2, the guide frame includes two sliding slot items 7, the cross section of sliding slot item 7 is L-type, and two sliding slot items 7 are respectively symmetrically welded to connect the upper table of inner wall and bottom plate 2 in side plate 1 The right angle of face intersection, the notch of sliding slot item 7 is arranged inwardly downward, before two sides of buffer board 6 are in the notch of sliding slot item 7 After slide.It by the setting of two sliding slot items 7 of welded connecting, slides back and forth, and can be prevented in bottom plate 2 convenient for buffer board 6 The only danger that buffer board 6 topples under the impact of the raw coal coal cinder under projectile.

In a specific embodiment of the invention, as depicted in figs. 1 and 2, hydraulic regulation damping unit of the present invention is specific The hydraulic cylinder 5 to be worked asynchronously using two, and the connection of hydraulic cylinder 5 and hydraulic cylinder trunnion 501 and adapter 502 is all made of pin shaft Hinged connection type.It is sliding before and after bottom plate 2 to be conducive to increase buffer board 6 for the setting of the hydraulic cylinder 5 to be worked asynchronously by two Dynamic stability can effectively prevent that the card plug situation of left and right directions occurs.

Mine raw coal belt conveyer head hydraulic regulation damping unit based on above-mentioned each embodiment, the present invention also provides one The working method of kind mine raw coal belt conveyer head hydraulic regulation damping unit, utilizes the mine raw coal belt feeder first liquid in above-mentioned example Pressure adjusts the raw coal material stream that damping unit casts output to belt feeder and carries out damping work.

Further, in the working method of mine raw coal belt conveyer head hydraulic regulation damping unit, emphasis is to pass through liquid Cylinder pressure 5 adjusts before and after driving buffer board 6, accurately accepts the drop point that belt feeder casts the raw coal material stream of output, completes damping Work.

Mine raw coal belt conveyer head hydraulic regulation damping unit described in this case drives buffer board 6 bottom of at by hydraulic cylinder 5 Front and back reciprocatingly slides on plate 2, and buffer board 6 is used to accept the raw coal material stream that the belt conveyer head casts output, conveniently adapts to become The raw coal material stream parabola drop point of change, and then more preferable protective effect is played to the vibrating screen in downstream, improve making for vibrating screen Use the service life.In addition, passing through the setting of protective edge 101 and the first reinforcing rib 201, protective edge 101 can enhance the stiffness and strength of side plate 1 Reduce the deformation that side plate 1 occurs under the impact of raw coal material stream；The structure that first reinforcing rib 201 can increase single unit system is strong Degree, while being greatly improved the hole impact capacity of bottom plate 2.By the setting of the second reinforcing rib 401, convenient for increasing side plate 1 Stiffness and strength reduce the deformation that side plate 1 occurs under the impact of raw coal material stream；By crossbeam 3 and installation trunnion 4 using rigid Degree and the preferable profile of intensity, had both increased the integral strength of mine raw coal belt conveyer head hydraulic regulation damping unit of the present invention, It is also convenient for fabricating, saves cost.By the setting of two sliding slot items 7 of welded connecting, convenient for buffer board 6 in bottom plate 2 The danger for sliding back and forth, and capable of preventing buffer board 6 from toppling under the impact of the raw coal coal cinder under projectile.Pass through two The setting of the hydraulic cylinder 5 of synchronous working is conducive to increase the stability that buffer board 6 slides back and forth in bottom plate 2, can effectively prevent The card plug situation of left and right directions occurs.

Embodiment described above is only that preferred embodiment of the invention is described, and is not carried out to the scope of the present invention It limits, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention Various changes and improvements, should all fall into claims of the present invention determine protection scope in.