CN207937300U - A kind of grinding dynamics test device for coal mine - Google Patents

Abstract

The utility model is related to coal mine detection technique fields, and disclose a kind of grinding dynamics test device for coal mine, including strut and mill, the bottom end of the strut is fixedly connected with link block, the bottom end of the link block is fixedly connected with pressure plare, the bottom end of the pressure plare is fixedly connected with pressure reductor, the bottom end both sides of the pressure plare have been fixedly connected with fixture block, the bottom end of the pressure plare is fixedly connected with conjunction block, the top of the pressure plare, which is located on the left of link block, offers circular hole, and the top of the pressure plare, which corresponds to, is installed with pulsometer at circular hole.This is used for the grinding dynamics test device of coal mine, it can guarantee that the weight of tested coal is consistent by gravity sensor, reduce the consequence that test value is inaccurate caused by quality difference, the via densities of each pressure reductor are successively decreased successively, keep the pressure suffered by the test coal inside each coal slot incremented by successively, multiple pressure results are once tested, the working efficiency of staff can be effectively promoted.

Description

A kind of grinding dynamics test device for coal mine

Technical field

The utility model is related to coal mine detection technique field, specially a kind of grinding dynamics test device for coal mine.

Background technology

Coal mine is the proportional space that the mankind are excavated when digging is rich in the geological stratification for having coal, generally includes tunnel, well Cave and face etc., coal are most important solid fuels, are one kind of kaustobilite, it was given birth to by certain geological epoch Long plant in great numbers is gradually accumulated into thick-layer in suitable geological environment, and is buried in water-bed or silt, and process is very long Geochronic geochronic natural incoalation and formed, in the world in Various Geolcgical Ages, with the Carboniferous Period, the Permian Period, Jurassic Period and Producing coal is most in the stratum in the Tertiary Period, is important coal-forming age, brown to black, have it is dim to metallic luster, according to The difference of degree of coalification, coal can be divided into peat, four class of lignite, bituminous coal and anthracite.

Coal mining out after need to be processed into graininess and externally selling, important indicator is exactly maximum nominal particle size, Coal crushing is machined to the maximum nominal dynamics required time and crushes pressure often by virtue of experience operate, and China The coal mine range exploited includes above and below ground and related facility, and limit of mining is wide, the pressure that institute's abrasive side regards also phase not to the utmost Together, for the inefficiency of the grinding dynamics test device of existing coal mine, so propose that a kind of grinding dynamics for coal mine is surveyed Trial assembly sets to solve the above problems.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of grinding dynamics test device for coal mine, tool Standby test value is accurate, efficient, it is easy to use the advantages that, solve and coal crushing be machined to the maximum nominal dynamics required time It is often by virtue of experience operated with pressure is crushed, and to include above and below ground and correlation set the coal mine range that China is exploited Apply, limit of mining is wide, institute's abrasive side depending on pressure be also not quite similar, for the efficiency of the grinding dynamics test device of existing coal mine Low problem.

(2) technical solution

To realize that above-mentioned test value is accurate, efficient, purpose easy to use, the utility model provides the following technical solutions：One Grinding dynamics test device of the kind for coal mine, including strut and mill, the bottom end of the strut are fixedly connected with link block, institute The bottom end for stating link block is fixedly connected with pressure plare, and the bottom end of the pressure plare is fixedly connected with pressure reductor, the pressure plare Bottom end both sides have been fixedly connected with fixture block, and the bottom end of the pressure plare is fixedly connected with conjunction block, and the top of the pressure plare is located at Circular hole is offered on the left of link block, the top of the pressure plare corresponds to and is installed with pulsometer at circular hole, the mill Top both sides offer card slot, and the top of the mill offers coal slot, the inner wall of the coal slot between two card slots Bottom is fixedly connected with partition board, and the top of the partition board offers conjunction slot, and the bottom end of the coal slot is installed with gravity sensitive The back side of device, the strut offers sliding slot, and sliding block is connected at left and right sides of the sliding slot, and the back side of the sliding block is solid Dingan County is equipped with telescopic rod, and the back side of the telescopic rod is connected with shaft, and the both sides of the shaft have been fixedly connected with support The bottom end of bar, the supporting rod is fixedly connected with pedestal.

Preferably, the quantity of the pressure reductor and gravity sensor is five, and the bottom end of the pressure reductor offers logical The density in hole, through-hole reduces in equal proportion.

Preferably, the block and the quantity of partition board of closing is four, and uniformly right centered on the vertical centerline of coal slot Claim distribution.

Preferably, the fixture block matches with card slot, and the conjunction block matches with slot is closed.

Preferably, the output shaft of the pulsometer runs through circular hole and extends to the inner cavity of pressure plare, the bottom of the pressure plare The corresponding pressure reductor in end offers stomata.

Preferably, the bottom end of the supporting rod is threaded with screw rod, and screw rod runs through threaded hole and extends to the top of pedestal End.

(3) advantageous effect

Compared with prior art, the utility model provides a kind of grinding dynamics test device for coal mine, have with Lower advantageous effect：

1, the grinding dynamics test device for being used for coal mine, the weight one of tested coal is can guarantee by gravity sensor It causes, reduces the consequence that test value is inaccurate caused by quality difference, the via densities of each pressure reductor are successively decreased successively, make each coal The pressure suffered by test coal inside slot is incremented by successively, once tests multiple pressure results, can effectively promote staff's Working efficiency.

Pressure plare and mill, are fastened on by using fixture block with card slot by 2, the grinding dynamics test device for being used for coal mine Together, ensure to splash when coal is decomposed by pressure, ensure the safety during work, the promotion that telescopic rod is constituted with shaft Device, it is simple in structure to be easily installed and dismantle, facilitate staff's use.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model structural side view.

In figure：Block, 7 circular holes, 8 pulsometers, 9 mills, 10 are closed in 1 strut, 2 link blocks, 3 pressure plares, 4 pressure reductors, 5 fixture blocks, 6 Slot, 14 gravity sensors, 15 sliding slots, 16 sliding blocks, 17 telescopic rods, 18 shafts, 19 supports are closed in card slot, 11 coal slots, 12 partition boards, 13 Bar, 20 pedestals.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Please refer to Fig.1-2, a kind of grinding dynamics test device for coal mine, including strut 1 and mill 9, the bottom of strut 1 End is fixedly connected with link block 2, and the bottom end of link block 2 is fixedly connected with pressure plare 3, and the bottom end of pressure plare 3, which is fixedly connected with, to be subtracted Pressing plate 4, the bottom end of pressure plare 3 correspond to pressure reductor 4 and offer stomata, and the bottom end of pressure reductor 4 offers through-hole, and the density of through-hole is in Equal proportion reduces, and the bottom end both sides of pressure plare 3 have been fixedly connected with fixture block 5, and the bottom end of pressure plare 3, which is fixedly connected with, closes block 6, pressure The left side that the top of power plate 3 is located at link block 2 offers circular hole 7, and the top of pressure plare 3 corresponds to is installed with gas at circular hole 7 The output shaft of press pump 8, pulsometer 8 runs through circular hole 7 and extends to the inner cavity of pressure plare 3, and the top both sides of mill 9 offer card Slot 10, fixture block 5 match with card slot 10, are snapped together pressure plare 3 and mill 9 with card slot 10 using fixture block 5, ensure coal by Pressure will not splash when decomposing, and ensure the safety during work, the top of mill 9 offers coal between two card slots 10 The via densities of slot 11, each pressure reductor 4 are successively decreased successively, and the pressure suffered by the test coal inside each coal slot 11 is made to pass successively Increase, once test multiple pressure results, can effectively promote the working efficiency of staff, the inner wall bottom of coal slot 11, which is fixed, to be connected It is connected to partition board 12, it is four to close block 6 and the quantity of partition board 12, and is symmetrically divided centered on the vertical centerline of coal slot 11 Cloth, the top of partition board 12, which offers, closes slot 13, closes block 6 and matches with slot 13 is closed, and the bottom end of coal slot 11 is installed with gravity biography The quantity of sensor 14, pressure reductor 4 and gravity sensor 14 is five, and gravity sensor 14 can guarantee the weight one of tested coal It causes, reduces the consequence that test value is inaccurate caused by quality difference, the back side of strut 1 offers sliding slot 15, the left and right of sliding slot 15 Both sides are connected with sliding block 16, and the back side of sliding block 16 is installed with telescopic rod 17, and the back side of telescopic rod 17 is connected with Shaft 18, the lifting device that telescopic rod 17 is constituted with shaft 18 is simple in structure to be easily installed and dismantle, and facilitates work people Member uses, and the both sides of shaft 18 have been fixedly connected with supporting rod 19, and the bottom end of supporting rod 19 is fixedly connected with pedestal 20, supporting rod 19 bottom end is threaded with screw rod, and screw rod runs through threaded hole and extends to the top of pedestal 20.

When in use, tested coal being put into coal slot 11, gravity sensor 14 can guarantee that the weight of tested coal is consistent, The consequence that test value is inaccurate caused by quality difference is reduced, moving up and down for strut 1 is driven after telescopic rod 17 is electrically connected, it will Pressure plare 3 is fastened with mill 9, the through-hole that air pressure can be through air passing hole Yu pressure reductor 4 caused by pulsometer 8, each pressure reductor 4 Via densities are successively decreased successively, are kept the pressure suffered by the test coal inside each coal slot 11 incremented by successively, are once tested multiple pressure As a result, the working efficiency of staff can be promoted effectively.

In conclusion this is used for the grinding dynamics test device of coal mine, tested coal can guarantee by gravity sensor 14 Weight it is consistent, reduce the consequence that test value is inaccurate caused by quality difference, the via densities of each pressure reductor 4 are passed successively Subtract, keeps the pressure suffered by the test coal inside each coal slot 11 incremented by successively, once test multiple pressure results, can effectively carry Rise staff working efficiency, pressure plare 3 and mill 9 are snapped together with card slot 10 by using fixture block 5, guarantee coal by Pressure will not splash when decomposing, and ensure the safety during work, the lifting device that telescopic rod 17 is constituted with shaft 18, knot Structure is simply easily installed and dismantles, and facilitates staff's use, solves and coal crushing is machined to needed for maximum nominal dynamics Time for wanting and crush pressure and often by virtue of experience operated, and the coal mine range that China is exploited include above and below ground with And related facility, limit of mining is wide, institute's abrasive side depending on pressure be also not quite similar, for existing coal mine grinding dynamics test dress The problem of inefficiency set.

It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element Process, method, article or equipment in there is also other identical elements.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of grinding dynamics test device for coal mine, including strut (1) and mill (9), it is characterised in that：The strut (1) bottom end is fixedly connected with link block (2), and the bottom end of the link block (2) is fixedly connected with pressure plare (3), the pressure The bottom end of plate (3) is fixedly connected with pressure reductor (4), and the bottom end both sides of the pressure plare (3) have been fixedly connected with fixture block (5), institute The bottom end for stating pressure plare (3) is fixedly connected with conjunction block (6), and the top of the pressure plare (3), which is located on the left of link block (2), to be opened up There are circular hole (7), the top of the pressure plare (3) to correspond to and be installed with pulsometer (8) at circular hole (7), the top of the mill (9) End both sides offer card slot (10), and the top of the mill (9) offers coal slot (11), institute between two card slots (10) The inner wall bottom for stating coal slot (11) is fixedly connected with partition board (12), and the top of the partition board (12), which offers, closes slot (13), described The bottom end of coal slot (11) is installed with gravity sensor (14), and the back side of the strut (1) offers sliding slot (15), the cunning Sliding block (16) is connected at left and right sides of slot (15), the back side of the sliding block (16) is installed with telescopic rod (17), institute The back side for stating telescopic rod (17) is connected with shaft (18), and the both sides of the shaft (18) have been fixedly connected with supporting rod (19), the bottom end of the supporting rod (19) is fixedly connected with pedestal (20).

2. a kind of grinding dynamics test device for coal mine according to claim 1, it is characterised in that：The pressure reductor (4) and the quantity of gravity sensor (14) is five, and the bottom end of the pressure reductor (4) offers through-hole, and the density of through-hole is in Equal proportion reduces.

3. a kind of grinding dynamics test device for coal mine according to claim 1, it is characterised in that：The conjunction block (6) it is four with the quantity of partition board (12), and is uniformly and symmetrically distributed centered on the vertical centerline of coal slot (11).

4. a kind of grinding dynamics test device for coal mine according to claim 1, it is characterised in that：The fixture block (5) match with card slot (10), the conjunction block (6) matches with slot (13) is closed.

5. a kind of grinding dynamics test device for coal mine according to claim 1, it is characterised in that：The pulsometer (8) output shaft runs through circular hole (7) and extends to the inner cavity of pressure plare (3), and the bottom end of the pressure plare (3) corresponds to pressure reductor (4) stomata is offered.

6. a kind of grinding dynamics test device for coal mine according to claim 1, it is characterised in that：The supporting rod (19) bottom end is threaded with screw rod, and screw rod runs through threaded hole and extends to the top of pedestal (20).