Surrounding rock moving sensor
Technical field
The utility model relates to surrounding rock separation layer displacement monitoring and warning instrument under a kind of coal mine, is a kind of surrounding rock moving sensor specifically.
Background technology
Existing surrounding rock separation layer displacement monitor device is that transmission shaft is installed in mechanical hull mostly, and scale tape measure and the firm belt wheel of coaxial rotation is installed on the transmission shaft, shows displacement by the scale tape measure.In the CN100497889C that has authorized " surrounding rock, bed separation monitor with multiple azimuths and double functions ", when down-hole country rock generation bed separation displacement, the seizing wire that is fixed in the measured hole spurs firm belt wheel rotation, also stretches out from housing so drive the scale tape measure, shows displacement of wall rock.It is not directly perceived that this technical scheme exists surrounding rock separation layer to show, is difficult for observation under coal mine, and tape measure is perishable, the shortcoming of complicated in mechanical structure, another shortcoming be exactly surrounding rock separation layer displacement monitor device great majority are disposable uses.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of surrounding rock moving sensor, and this country rock transmission sensors critical piece housing can be repeatedly used, and simple in structure, processing cost is low, and the error that mechanical drive causes is little, and display precision is high.
In order to solve the problems of the technologies described above, the utility model surrounding rock moving sensor comprises housing, guide rod and a pair of shackle line, the top of guide rod is provided with anchor head, and described shackle line end is fixedly connected with anchor fluke, is threaded connection between described guide rod and the housing;
Described enclosure interior is provided with a pair of gear train that is set up in parallel and pick-up unit, described gear train comprises pulling block, measuring steel wire rope, runner and torsionspring, described torsionspring one end is fixed in the housing, the other end is fixedly connected with described runner, be provided with the transmission shaft that is connected with pick-up unit on the described runner, described measuring steel wire rope is fastening to be wrapped on the runner circumference and the one end is fixedly connected with pulling block, the other end is fixedly connected with runner;
Described shackle line passes anchor head, guide rod and pulling block, and described pulling block is provided with the web member for fastening shackle line;
Further, described pick-up unit comprises electric control gear, is connected with alarm lamp, the digital RS485 module that shows and be used for displacement is transferred to Monitor Sub-Station of Less of LED with electric control gear, and the potentiometer in described transmission shaft and the electric control gear is connected;
Further, described pick-up unit comprises and is set to dial plate that the pointer in described transmission shaft and the dial plate is connected;
Further, described pick-up unit also comprises dial plate, and the potentiometer in described transmission shaft one end and the electric control gear is connected, the pointer in the other end and the dial plate is connected;
Further, all be coated with on scale surface and the pointer in the described dial plate and be useful on the fluorescent material that makes things convenient for reading;
Further, described shackle line stretches out its end from housing bottom and is fixedly connected with dish line box;
Further, described guide rod bottom is provided with supporting plate, and described supporting plate upper end is provided with the sawtooth rubber ring, and described sawtooth rubber ring sleeve is connected on the guide rod;
Further, described guide rod inside is provided with the dividing plate of separating for a pair of shackle line.
The beneficial effects of the utility model are:
1. the utility model surrounding rock moving sensor adopts shackle line pulling runner, runner is connected with circuit board and dial plate simultaneously, runner cooperates with torsionspring, torsionspring resets, mechanical driving part part number is few, reduced the error that mechanical drive causes, processing cost is reduced greatly.
2. the utility model surrounding rock moving sensor adopts between guide rod and the housing and is threaded connection, guide rod and housing are separated, in the impaired situation of guide rod, anchor fluke and shackle line, change, reach and make the reusable effect of surrounding rock moving sensor core housing, saved cost.
3. the utility model surrounding rock moving sensor adopts at this hermetically-sealed construction of guide rod socket sawtooth rubber ring, the damage of effectively having avoided dust, moisture and human factor etc. that mechanical part is caused, thereby in abominable complicated environment for use, very high reliability is arranged still.
4. the utility model surrounding rock moving sensor adopts the displacement that shows absciss layer directly perceived on dial plate, transmission shaft drives the angular transducer rotation simultaneously, thereby generation change in electric, through signals collecting and AD conversion displacement of wall rock is carried out the demonstration of LED numeral, and by the RS485 module displacement is transferred to Monitor Sub-Station of Less.
5. the utility model surrounding rock moving sensor adopts dial plate pointer-type to show that pointer indication reading is the displacement that surrounding rock separation layer moves on the dial plate.Because display unit places enclosure interior, so be subjected to the interference of extraneous factor little, show that accurately the equal application fluorescent material of pointer and dial plate still can make things convenient in the insufficient place of colliery down-hole light in addition.
Description of drawings
Fig. 1 is the front view of the utility model surrounding rock moving sensor;
Fig. 2 is the A-A direction cut-open view of surrounding rock moving sensor shown in Figure 1;
Fig. 3 is the enlarged drawing of the I section shown in Fig. 2;
Fig. 4 is the B-B direction cut-open view of surrounding rock moving sensor shown in Figure 1;
Fig. 5 is surrounding rock moving sensor mounting spring front view shown in Figure 1;
Fig. 6 is the mounting spring of surrounding rock moving sensor shown in Figure 1 and the front view of runner.
Reference numeral: 1-guide rod; The 2-anchor fluke; The 3-shackle line; The 4-dividing plate; 5-sawtooth rubber ring; The 6-display window; The 7-housing; The 8-dial plate; The 9-runner; The 10-torsionspring; The 11-circuit board; The 12-alarm lamp; 13-dish line box; 14-measuring steel wire rope; The 15-pulling block.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated:
Be illustrated in figure 1 as the front view of the utility model surrounding rock moving sensor; Be illustrated in figure 2 as the A-A direction cut-open view of surrounding rock moving sensor shown in Figure 1; Be illustrated in figure 3 as the enlarged drawing of the I section shown in Fig. 2; Be illustrated in figure 4 as the B-B direction cut-open view of surrounding rock moving sensor shown in Figure 1; Be illustrated in figure 5 as surrounding rock moving sensor mounting spring front view shown in Figure 1; Be illustrated in figure 6 as the mounting spring of surrounding rock moving sensor shown in Figure 1 and the front view of runner.The utility model surrounding rock moving sensor comprises housing 7, guide rod 1 and a pair of shackle line 3, and the top of guide rod 1 is provided with anchor head, and described shackle line 3 ends are fixedly connected with anchor fluke 2,
Be threaded connection between described guide rod 1 and the housing 7, be threaded connection between described guide rod 1 and the housing 7, connection of thread is provided with sealing gasket, movable sensor is after once using, can guide rod 1 be separated with housing 7 by the screw thread place, the recycling instrument is cut off shackle line 3 from the local display part that is threaded, and housing parts is connected guide rod and the shackle line that more renews, can the core housing 7 of surrounding rock moving sensor repeatedly be used, save cost;
Described housing 7 inside are provided with a pair of gear train that is set up in parallel and pick-up unit, described gear train comprises pulling block 15, measuring steel wire rope 14, runner 9 and torsionspring 10, described torsionspring 10 1 ends are fixed in the housing, the other end is fixedly connected with described runner 9, be provided with the transmission shaft that is connected with pick-up unit on the described runner 9, described measuring steel wire rope 14 is fastening to be wrapped in runner (on 9 circumference and the one end is fixedly connected with pulling block 15, the other end is fixedly connected with runner 9;
Described shackle line 3 passes anchor head, guide rod 1 and pulling block 15, described pulling block 15 is provided with the web member for fastening shackle line 3, preferred web member be made as countersunk head threaded hole that pulling block 15 is provided with and with this threaded hole respective bolt, loose bolts, shackle line 3 can be in pulling block 15 interior slips, fastening bolt, shackle line 3 is fixedly connected with pulling block 15.
Further, described pick-up unit comprises electric control gear 11, is connected with alarm lamp 12, the digital RS485 module that shows and be used for displacement is transferred to Monitor Sub-Station of Less of LED with electric control gear 11, potentiometer in described transmission shaft and the electric control gear 11 is connected, in the Surrounding Rock Movement process, can carry out alarm lamp forecast and the demonstration of LED numeral, can also carry out remote monitoring by the RS485 module that is transferred to Monitor Sub-Station of Less, improve security.
Further, described pick-up unit comprises and is set to dial plate 8 that the pointer in described transmission shaft and the dial plate 8 is connected.
Further, described pick-up unit also comprises dial plate 8, and the potentiometer in described transmission shaft one end and the electric control gear 11 is connected, the pointer in the other end and the dial plate 8 is connected.
Further, all be coated with on described dial plate 8 interior scale surfaces and the pointer and be useful on the fluorescent material that makes things convenient for reading, still can conveniently carry out reading and demonstration by display window 6 windows in the insufficient place of colliery down-hole light.
Further, described shackle line 3 stretches out its end from housing bottom and is fixedly connected with dish line box 13.
Further, described guide rod 1 bottom is provided with supporting plate, described supporting plate upper end is provided with sawtooth rubber ring 5, described sawtooth rubber ring 5 is socketed on the guide rod 1, sawtooth rubber ring 5 can effectively avoid dust, mud to flow out on the housing 7 along guide rod 1, prevent damage that housing 7 internal mechanical part are caused, guaranteeing still has very high reliability in abominable complicated environment for use.
Further, described guide rod 1 inside is provided with the dividing plate of separating for a pair of shackle line 3, and dividing plate can make a pair of shackle line interfere at the transmission process middle part, improves the degree of accuracy of sensor.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present utility model that appended claims limits.