CN204405076U - A kind of portable multi-function geologic compass - Google Patents

Abstract

A portable multifunctional geological compass, including a compass housing, a slope angle measurement system, an inclination angle measurement subsystem, a braking system, an azimuth measurement subsystem, an ohmmeter, a multi-position switch, a circular level and a battery; the compass housing The disc cover and the disc body are hinged; the negative pole of the battery is connected to the multi-speed switch; the positive pole of the battery is connected to the ohmmeter; the inclination measurement subsystem and the slope angle measurement system are connected in parallel between the ohmmeter and the multi-speed switch; the ohmmeter and the multi-speed switch The brake system and the ring-shaped electromagnetic brake ring in the slope angle measurement system are connected in series; the slope angle measurement system automatically measures the slope with the inclination of the disk; when the disk cover rotates around the hinge, it drives the inclination measurement subsystem Measure the inclination angle of the disc cover; simultaneously control the braking of the azimuth measurement subsystem and the slope angle measurement system according to the braking system, and accurately read the slope angle, dip angle, and azimuth data at the same time, which solves the problem that the traditional geological compass cannot measure multiple geology at one time data problem.

Description

A Portable Multifunctional Geological Compass

technical field

The utility model relates to the measurement and test in the G01 classification table, in particular to a device for determining true north or magnetic north used for compass, navigation or surveying and mapping in the G01C17 classification.

Background technique

The geological compass is a necessary instrument for geologists to work in the field. The inclination measurement and the azimuth measurement of the traditional geological compass are two independent operations. It can only measure the slope angle, or dip angle, or azimuth at one time, and the error is relatively large; , When the traditional geological compass takes readings after measurement, the hand has to press the brake all the time, which makes it inconvenient to record the data, especially when measuring the stratum with a gentle dip angle, the operation is inconvenient and the measurement data error is greater.

Utility model content

The purpose of the utility model is to provide a portable multi-functional geological compass, which solves the problems that the current geological compass cannot measure multiple sets of data at one time, has large measurement errors, is difficult to record data, and has large errors when measuring slow-dip strata.

In order to solve the above-mentioned problems, the utility model proposes a portable multifunctional geological compass, including a compass housing, an azimuth measurement subsystem, an ohmmeter, a multi-level switch and a battery; the compass housing includes a disc cover and a disc body, The disc cover and the disc body are hinged; it is characterized in that it also includes a slope angle measurement system, an inclination angle measurement subsystem, and a braking system;

The disc body is provided with grooves;

The slope angle measurement system is set in the pan body, and the slope angle measurement system automatically measures the slope with the inclination of the pan body;

The inclination measurement subsystem is set at the hinge of the disc cover and the disc body, and when the disc cover rotates around the hinge, the inclination measurement subsystem is driven to measure the inclination angle of the disc cover;

The brake system is set in the disc body; the brake system includes an azimuth brake plate and an inclination brake plate; the brake system controls the braking of the azimuth measurement subsystem through the azimuth brake plate; Controlling the braking of the slope angle measuring system;

The negative pole of the battery is connected to the multi-level switch; the positive pole of the battery is connected to the ohmmeter; the inclination measurement subsystem and the slope angle measurement system are connected in parallel between the ohmmeter and the multi-level switch; the braking system is connected in series between the ohmmeter and the multi-level switch And the annular electromagnetic brake ring in the slope angle measurement system.

The slope angle measurement system includes a slope angle measurement housing; the slope angle measurement housing is installed on the bottom surface of the compass through the slope angle measurement housing bottom plate; the slope angle measurement housing is provided with a circular groove, and the center of the circular groove is provided with a center In the screw hole, an annular baffle is arranged around the central screw hole, and the annular baffle is a circular cylinder wall; an annular groove is formed between the annular baffle and the groove wall of the circular groove.

The slope angle measurement system also includes a slope angle measurement shell cover, a conductive ball, a slope angle measurement resistance ring, a metal triangular ring, an annular electromagnetic brake ring, and an insulating rubber ring;

The center of the slope angle measuring case cover is provided with a screw hole; the insulating triangular ring is an annular triangular prism, and the insulating triangular ring is arranged in the bottom angle of the slope angle measuring case cover;

The annular electromagnetic brake ring is set on the wall of the circular groove;

The slope angle measuring resistance ring is inlaid on the annular electromagnetic braking ring; the metal triangular ring is an annular triangular prism; the metal triangular ring is set in the bottom angle between the slope angle measuring resistance ring and the bottom of the circular groove; the insulating rubber ring clip Between the metal triangular circle and the slope angle measuring resistance circle;

The slope angle measuring case cover is combined with the slope angle measuring case, and the metal triangular ring, the slope angle measuring resistance ring and the insulating triangular ring form a trapezoidal closed groove, and conductive balls are placed in the trapezoidal closed groove.

The inclination measurement subsystem includes an inclination measurement housing, a disc, and a control panel; the inclination measurement housing is installed on the bottom surface of the disc; the inclination measurement housing is provided with a fixing plate and a round hole;

The disc includes a disc and a connecting shaft; the connecting shaft is perpendicular to the disc and connected as one;

There are several screw holes on the circular plate; there are several screw holes on the end face of the connecting shaft; the disc cover and the disc body are hinged through the connecting shaft; the rotation of the disc cover drives the connecting shaft to rotate; the control panel includes a base and a boss; It is perpendicular to the base and connected as a whole; the table of the boss is provided with screw holes;

The boss on the control panel passes through the round hole on the inclination measuring housing, and is fixed by screws and discs.

The inclination measurement subsystem also includes an inclination measurement resistance coil and a connection key; the inclination measurement resistance coil is inlaid on the inner wall of the round hole of the inclination measurement housing; side.

The braking system also includes a U-shaped frame and an elastic iron sheet; the U-shaped frame is an inverted "T"-shaped plate, the bottom of which is fixed on the bottom surface of the disc body, and a rectangular gap is opened on the top; the elastic iron sheet is a bendable elastic metal sheet; Both the azimuth braking plate and the inclination braking plate are rigid rectangular plates with a “U”-shaped notch at one end; Connection; the angle brake plate is clamped in the rectangular gap at the top of the U-shaped frame; the "U" shaped gap of the angle brake plate is clamped on the spring, and the other end is hinged with one end of the elastic iron sheet wound on the connecting shaft; the elastic iron The other end of the sheet is fixedly connected with the fixed plate in the inclination measurement subsystem.

The braking system also includes threaded pipes, buttons, drive pipes, circular card slots, springs, and angle brake ring switches; the threaded pipes are circular pipes with threads on the outer wall and 6 rectangular bosses evenly arranged on the inner wall; the threaded pipe and the disc The internal threaded hole of the body is screwed and fixed;

The button is a circular tube with a closed top and a serrated bottom surface. The circular tube surrounds the outer wall with 6 trapezoidal bosses; Rectangular boss fitting on;

The driving tube is a bell-shaped round tube with a closed top. The round tube is composed of two round tubes with different diameters. The upper part of the driving tube is a small round tube, and the lower part is a large round tube. After connecting as a whole, the redundant surface of the large round tube is designed to be serrated; the upper small round tube of the drive tube extends into the bottom end of the button, and the bottom end of the button fits with the serrations on the outside of the drive tube; the circular card slot It is a round tube fixed at the bottom of the disc body; the top end of the spring extends into the drive tube and rests in the drive tube, and the bottom end extends into the circular card slot and rests on the bottom surface of the disc body;

The tilt brake ring switch includes an upper contact and a lower contact; the upper contact is installed on the lower surface of the tilt brake ring, and the lower contact is installed on the upper surface of the bottom of the disc body.

The multi-gear switch includes shift key S and closing gear O, zero adjustment gear N, inclination angle gear Q, and slope angle gear P; zero adjustment gear N is connected to an ohmmeter through a wire; inclination gear Q is connected to an inclination measuring resistance coil through a wire ; The inclination measuring resistance coil is connected to the ohmmeter through the wire; the angle stop P is connected to the triangular metal ring through the wire; the inclination measuring resistance ring is connected to the ohm meter through the wire; The lower contact in the system is connected to the annular electromagnetic braking ring in the slope angle measuring system through the wire; the annular electromagnetic braking ring is connected to the ohmmeter through the wire.

After the disc cover and the disc body are hinged, the disc cover and the disc body can be opened to form an angle of 180°.

Returning the circular vial; the circular vial is arranged on the groove.

The beneficial effects brought by the utility model after solving the above technical problems are: the utility model adopts the slope angle measurement system, the dip angle measurement subsystem, and the azimuth measurement subsystem, so the measurement data of the slope angle, dip angle, and azimuth can be obtained at one time , which solves the defect that the traditional geological compass cannot measure multiple geological data at one time; in addition, because the braking system is used to control the slope angle measurement system and the azimuth measurement subsystem at the same time, when reading data, you only need to press the button of the braking system , the measurement data of slope angle and azimuth can be read at the same time, which solves the problem of inconvenient reading data of traditional geological compass;

The disc cover and disc body of the compass shell are stepped after being opened, which is convenient for measuring the rock shape of the formation with a gentle dip angle;

For the measurement accuracy, since the utility model adopts the method of converting the slope angle to be measured into the resistance input value of the measurement slope angle measurement subsystem, the slope angle measurement subsystem is determined according to the position fixed by the conductive ball by the annular electromagnetic braking ring resistance input value, thereby automatically obtaining the value of the slope angle, which improves the measurement accuracy of the slope angle; similarly, the utility model adopts the resistance input value of converting the measured inclination angle into the inclination angle measurement subsystem, and utilizes The rotation of the disc cover drives the control disc in the inclination measurement subsystem to rotate, so that the connection key embedded in the control disc moves on the inclination measurement resistance ring, so that the resistance value corresponding to the rotation angle of the disc cover is input, and the resistance value measured by the ohmmeter is equivalent to Based on the measurement of the inclination angle of the rock mass; the utility model designs a corresponding slope angle measurement system and an inclination angle measurement subsystem according to the principle that the angle measurement is transformed into a resistance value measurement, which improves the measurement accuracy and solves the problem of the large measurement error of the traditional geological compass. In addition, the utility model only uses one circular level, which reduces the number of the level, and reads the measurement data according to the center of the bubble in the circular level, which improves the accuracy of the read data;

In addition, because the thickness of the disc body of the utility model is greater than that of the disc cover, and a small mercury battery is used as the battery, the geological compass is thinner, lighter in weight and more portable than the traditional geological compass.

The portable multifunctional geological compass of the present utility model will be further described below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the perspective structure schematic diagram of the utility model portable multifunctional geological compass;

Fig. 2 is the circuit connection schematic diagram of the utility model portable multifunctional geological compass;

Fig. 3 is the structural representation of the compass housing in the portable multifunctional geological compass of the present invention;

Fig. 4 is the structural representation of the slope angle measuring system in the portable multifunctional geological compass of the present invention;

Fig. 5 is the cross-sectional view of the slope angle measuring system in the portable multifunctional geological compass of the present invention;

Fig. 6 is the structural representation of the slope angle measurement resistance circle in the portable multifunctional geological compass of the present invention;

Fig. 7 is the structural representation of the inclination measurement subsystem in the portable multifunctional geological compass of the present invention;

Fig. 8 is the structural representation of connecting key in the utility model portable multifunctional geological compass;

Fig. 9 is the structure schematic diagram of the inclination measuring resistance ring in the utility model portable multifunctional geological compass;

Fig. 10 is a structural schematic diagram of the braking system in the portable multifunctional geological compass of the present invention;

Fig. 11 is the sectional view of threaded pipe in the utility model portable multifunctional geological compass;

Fig. 12 is the top view of the threaded pipe in the portable multifunctional geological compass of the present invention;

Fig. 13 is the sectional view of button in the utility model portable multifunctional geological compass;

Fig. 14 is the top view of the buttons in the portable multifunctional geological compass of the present invention;

Fig. 15 is a sectional view of the driving tube in the portable multifunctional geological compass of the present invention;

Fig. 16 is a top view of the driving tube in the portable multifunctional geological compass of the present invention;

Fig. 17 is the left view of the U-shaped frame in the portable multifunctional geological compass of the present invention;

Fig. 18 is the top view of the azimuth braking plate in the portable multifunctional geological compass of the present invention;

Fig. 19 is a top view of the inclination braking plate in the portable multifunctional geological compass of the present invention.

Detailed ways

As shown in Figure 1 and Figure 2, the portable multifunctional geological compass includes a compass housing 1, a slope angle measurement system 2, an inclination angle measurement subsystem 3, a braking system 4, an azimuth angle measurement subsystem 5, an ohmmeter 6, a multi- Gear switch 7, circular level 8 and battery; Wherein, slope angle measuring system 2 is arranged in the disc body 12 of compass housing 1, along with the inclination of the disc body 12 of compass housing 1, slope angle measuring system 2 automatically measures Slope; the inclination measurement subsystem 3 is arranged at the hinge of the disc cover 11 and the disc body 12 of the compass housing 1, and when the disc cover 11 rotates around the hinge, the inclination measurement subsystem 3 is driven to measure the inclination angle of the disc cover 11; The system 4 is set in the disc body 12; the braking system 4 controls the azimuth measurement subsystem 5 via the azimuth brake plate 46 and the slope angle measurement via the inclination brake plate 47 respectively through the button 42 arranged on the disc body 12 System 2; ohmmeter 6, multi-speed switch 7, and battery are all installed in the disk body 12; the azimuth angle measurement subsystem 5 is arranged on the groove 121 of the disk body 12; the circular level 8 is arranged in the groove of the disk body 12 121; the electronic display screen 61 of the ohmmeter 6 is arranged in the draw-in groove 123 on the disc body 12; the negative pole of the battery is connected to the multi-level switch 7; the positive pole of the battery is connected to the ohmmeter 6; between the ohmmeter 6 and the multi-level switch 7 The inclination measurement subsystem 3 and the slope angle measurement system 2 are connected in parallel; the annular electromagnetic braking ring 26 in the braking system 4 and the slope angle measurement system 2 is connected in series between the ohmmeter 6 and the multi-speed switch 7; , after being adjusted by the multi-speed switch 7, the slope angle, inclination angle and azimuth can be measured at one time. When the bubble in the circular level 8 is in the center, press the button 42 of the braking system 4, and the measured value can be read out at one time. slope angle, inclination and azimuth values.

As shown in Figure 3, compass housing 1 comprises disk cover 11 and disk body 12, and the thickness of disk body 12 is greater than the thickness of disk cover 11; The two connecting seats 112 hinged with the disc body 12; the disc body 12 is a housing, and the disc body 12 is provided with a slope angle measurement system 2, an inclination measurement subsystem 3, a braking system 4, and an azimuth angle measurement sub-system inside the disc body 12. The cavity of system 5; Disc-shaped groove 121, internally threaded hole 122, draw-in groove 123 for installing ohmmeter 6 electronic display screens, short target plate 124 and center as quasi-center are provided on the disc body 12 surface Target plate 125; after the disc cover 11 and the disc body 12 are hinged, the disc cover 11 and the disc body 12 can be opened to form an angle of 180°.

As shown in Figures 4 and 5, the slope angle measurement system 2 includes a slope angle measurement housing 21, a slope angle measurement housing cover 22, a conductive ball 23, a slope angle measurement resistance ring 24, a metal triangular ring 25, and an annular electromagnetic brake ring 26, insulating rubber ring 27; slope angle measurement housing 21 comprises slope angle measurement housing bottom plate 211, slope angle measurement housing vertical plate 212, slope angle measurement housing vertical plate 212 is perpendicular to slope angle measurement housing bottom plate 211, and Connected as a whole; the slope angle measurement housing base plate 211 is a rectangular plate, and the slope angle measurement housing base plate 211 is provided with several screw holes; the slope angle measurement housing 21 is installed on the bottom of the compass body 12 through the screw holes The slope angle measurement housing vertical plate 212 is a cuboid, and the slope angle measurement housing vertical plate 212 top is a semicircular arc surface; the vertical plate 212 is provided with a circular groove, and the center of the circular groove is provided with a central screw hole 214, and the central screw The hole 214 is a cylinder provided with an internal thread along the axial direction; an annular baffle 213 is arranged around the central screw hole 214, and the annular baffle 213 is a circular cylinder wall;

The center of the slope angle measuring case cover 22 is provided with a screw hole 221; the insulating triangular ring 222 is an annular triangular prism, that is, after the triangular prism is bent, its upper bottom surface and the lower bottom surface are overlapped and connected as one; the insulating triangular ring 222 is coincidentally arranged in the bottom angle of the slope angle measuring case cover 22;

Annular electromagnetic braking ring 26 is an annular sheet magnet layer embedded in the wall of the circular groove; one pole of annular electromagnetic braking ring 26 is connected to ohm meter 6 through a wire, and the other pole of annular electromagnetic braking ring 26 is used for Connect the brake system 4 to form a closed loop; the slope angle measurement resistance ring 24 is a ring-shaped sheet resistor embedded in the annular electromagnetic brake ring 26; the metal triangle ring 25 is an annular triangular prism, that is, after the triangular prism is bent, its The upper bottom surface and the lower bottom surface are overlapped and connected as one annular body; the metal triangular ring 25 is coincidently arranged in the bottom angle between the slope angle measuring resistance ring 24 and the bottom of the circular groove; the insulating rubber ring 27 is an annular piece of insulating rubber; The rubber ring 27 is clamped between the metal triangular ring 25 and the slope angle measuring resistance ring 24; the conductive ball 23 is a small metal ball; the conductive ball 23 is placed between the slope angle measuring resistance ring 22 and the annular baffle plate 213;

Adopt screw, through screw hole 221 and central screw hole 214, slope angle measuring shell cover 22 and slope angle measuring shell 21 are combined together; Triangular ring 25, slope angle measuring resistance ring 24, insulating triangular ring 222 form a trapezoidal groove, conductive ball 23 rolls in this trapezoidal groove, and conductive ball 23 is connected with metal triangular ring 25, slope angle measuring resistance ring 24, insulating triangular ring all the time 222 contacts; slope angle measuring resistance circle 24 lowest point is connected with ohmmeter 6 through lead; Metal triangular circle 25 is used for connecting with multi-speed switch 7 through lead;

As shown in Figure 6, when the disc body 12 is placed horizontally, when the conductive ball 23 is at point a, the input resistance value of the slope angle measuring resistance coil 24 is 0Ω; when the disc body 12 is placed vertically, the conductive ball 23 is at point b or c point, the input resistance of the slope angle measuring resistance coil 24 is 90Ω; the slope angle is indirectly measured through the resistance value input by the slope angle measuring resistance coil 24.

As shown in Figure 7, the inclination measurement subsystem 3 comprises an inclination measurement housing 31, a disk 32, a control panel 33, an inclination measurement resistance ring 34 and a connection key 35; the inclination measurement housing 31 comprises an inclination measurement housing bottom plate 311, an inclination Measuring housing vertical plate 312, fixed plate 313; Inclination measuring housing base plate 311 is a rectangular plate; Inclining measuring housing base plate 311 is provided with several screw holes; Inclining measuring housing vertical plate 312 is a cuboid, and The top of the vertical plate 312 is a semicircular arc; the vertical plate 312 of the inclination measuring housing has a round hole; the vertical plate 312 of the inclination measuring housing is perpendicular to the bottom plate 311 of the inclination measuring housing, and is connected as a whole; the fixed plate 313 is A rectangular plate with screw holes; the fixed plate 313 is perpendicular to the vertical plate 312 of the inclination measurement housing, and is connected as a whole; the inclination measurement resistance ring 34 is a resistance layer embedded in the wall of the round hole of the vertical plate 312 of the inclination measurement housing; Inclination measurement resistance ring 34 is used to be connected with multi-speed switch 7 through lead; Disc 32 comprises disc 321 and connecting shaft 322; Connecting shaft 322 is perpendicular to disc 321, and is connected as a whole; Screw holes; the end face of the connecting shaft 322 is provided with several screw holes; it is hinged with the disc cover 11 and the disc body 12 through the connecting shaft 322; the control panel 33 includes a base 331 and a boss 332; the base 331 is a circular plate; Platform 332 is a cylinder; Boss 332 is vertical to base 331, and is connected as a whole; The table top of boss 332 is provided with screw hole; Connection key 35 is rectangular metal plate; As shown in Figure 8, the top surface processing of connection key 35 Form a convex edge; the connection key 35 is embedded in the boss 332, and the convex edge of the connection key 35 is reserved to protrude from the outer side of the boss 332; the connection key 35 is connected with the ohmmeter 6 through a wire; The screw holes on the disc 33 assemble the control panel 33, the inclination measuring housing 31, and the disc 32 together; use screws to fix the inclination measuring housing 31 on the disc body 12 through the screw holes on the bottom plate 311 of the inclination measuring housing bottom, so that the inclination measurement subsystem 3 is installed in the compass housing 1 .

As shown in Figure 9, when the disc body 12 is placed horizontally, the d point is the lowest point of the inclination measuring resistance ring 34, the f point is the highest point of the inclination measuring resistance ring 34, and the e point is the leftmost point of the inclination measuring resistance ring 34; After the compass housing 1 is opened, when the disc cover 11 and the disc body 12 form 180°, the connecting key 35 is at the f point position of the inclination measuring resistance ring 34, and the input resistance of the inclination measuring resistance coil 34 is 0Ω at this moment; the disc cover 11 When forming 90° with the disc body 12, the connecting key 35 is at the e point position of the inclination measuring resistance coil 34, and the input resistance of the inclination measuring resistance coil 34 is 90Ω at this moment; 35 is in the position of point d of the inclination angle measuring resistance coil 34, and now the input resistance of the inclination angle measuring resistance coil 34 is 0 Ω; thus by measuring the resistance value input by the slope angle measuring resistance coil 34, the angle of the slope angle is indirectly measured.

The azimuth measurement subsystem 5 selects the azimuth measurement system of DQY-1 geological compass; the azimuth measurement subsystem 5 is installed on the disc body 12;

As shown in Figure 10, the brake system 4 adopts a ratchet structure, and the brake system 4 is installed in the disc body 12; the brake system 4 includes a threaded pipe 41, a button 42, a drive pipe 43, a circular card slot 44, a spring 45, Azimuth brake plate 46, inclination angle brake plate 47, U-shaped frame 48, elastic iron sheet 49, inclination angle brake ring switch 410;

As shown in Figure 11 and Figure 12, the threaded pipe 41 is a round pipe with threads on the outer wall and 6 rectangular bosses evenly arranged on the inner wall; the threaded pipe 41 is screwed and fixed with the internal threaded hole 122 of the disc body 12 through the external thread;

As shown in Figure 13 and Figure 14, the button 42 is a circular tube with a closed top and a serrated bottom surface, and the circular tube surrounds the outer wall with 6 trapezoidal bosses; the top of the button 42 passes through the threaded tube 41 to expose the disc body 12 surface, the trapezoidal boss on the outer wall of the button 42 and the rectangular boss on the inner wall of the threaded pipe 41 are fitted;

As shown in Figure 15 and Figure 16, the driving tube 43 is a bell-shaped round tube with a closed top, which is composed of two round tubes with different diameters. The upper section of the driving tube 43 is a small round tube, and the lower section is a large round tube. tube, after the bottom of the small round tube is connected with the top of the big round tube, the superfluous surface of the big round tube is designed to be serrated; The serrations on the outside of the tube 43 are fitted together; the circular draw-in groove 44 is a round tube fixed on the bottom of the disc body 12; the spring 45 is placed vertically, with its top extending into the driving tube 43 and pushing in the driving tube 43, and its bottom end extending into the driving tube 43 The circular draw-in groove 44 rests on the bottom surface of the disc body 12;

As shown in Figure 17, the U-shaped frame 46 is an inverted "T"-shaped plate, the bottom of which is fixed on the bottom surface of the disc body 12, and the top has a rectangular gap;

The elastic iron sheet 47 is a bendable elastic metal sheet;

As shown in Figure 18 and Figure 19, the azimuth brake plate 48 and the inclination angle brake plate 49 are rigid rectangular plates with a "U" notch at one end; the "U" notch of the azimuth brake plate 47 is stuck in the spring 45, the other end is connected with the magnetic needle 52 of the azimuth angle measurement subsystem 5; the inclination braking plate 48 is clamped in the rectangular gap at the top of the U-shaped frame 46; The other end of the inclination braking plate 49 is hinged with the 47a end of the elastic iron sheet 47 that is wound around the connecting shaft 322; the 47b end of the elastic iron sheet 47 is fixedly connected with the fixed plate 13 in the inclination measurement subsystem 3;

Angle braking ring switch 410 comprises upper contact 410a and lower contact 410b; Upper contact 410a is installed on the lower surface of tilt angle braking ring 49, and lower contact 410b is installed on the upper surface of disc body 12 bottom; Lower contact 410b passes through The wire connects the annular electromagnetic braking ring 26 in the slope angle measurement system 2; the upper contact 410a is used to connect the multi-speed switch 7 through the wire; The annular electromagnetic brake ring 26 in the angle measuring system 2 is conducting.

The multi-gear switch 7 has 4 gears, S is the shift key, O is the closed gear, N is the zero adjustment gear, Q is the inclination gear, P is the slope angle gear; when S and O are closed, it means closed; S and N are closed When S and Q are closed, it means to measure the inclination angle, and the inclination angle stopper Q connects the inclination angle measurement resistance coil 34 in the inclination measurement system 3 through the wire; The wire is connected to the triangular metal ring 25 in the slope angle measuring system 2, and the slope angle stopper P is connected to the lower contact 410b in the braking system 4 through the wire.

For reducing compass volume, the battery of present embodiment adopts small-sized mercury battery.

The above-mentioned embodiments are only described to the preferred implementation of the utility model, and are not limited to the scope of the utility model. Various modifications and improvements made should fall within the scope of protection determined by the claims of the utility model.

Claims (10)

1. A portable multifunctional geological compass, comprising a compass housing (1), an azimuth measurement subsystem (5), an ohmmeter (6), a multi-level switch (7) and a battery; the compass housing (1) includes The disc cover (11) and the disc body (12), the disc cover (11) and the disc body (12) are hinged; it is characterized in that it also includes a slope angle measurement system (2), an inclination angle measurement subsystem (3), a braking system (4); The disc body (12) is provided with grooves (121); The slope angle measurement system (2) is arranged in the disc body (12), and the slope angle measurement system (2) automatically measures the slope along with the inclination of the disc body (12); The inclination measurement subsystem (3) is arranged at the hinge of the disc cover (11) and the disc body (12). When the disc cover (11) rotates around the hinge, the inclination measurement subsystem (3) is driven to measure the disc cover (11) the inclination angle; The braking system (4) is arranged in the disc body (12); the braking system (4) includes an azimuth braking plate (46) and an inclination braking plate (47); the braking system (4) brakes through the azimuth Plate (46) controls the braking of the azimuth measurement subsystem (5); the braking system (4) controls the braking of the slope angle measurement system (2) through the inclination braking plate (47); The negative pole of the battery is connected to the multi-level switch (7); the positive pole of the battery is connected to the ohmmeter (6); the inclination measurement subsystem (3) and the slope angle measurement system are connected in parallel between the ohmmeter (6) and the multi-level switch (7) (2); the annular electromagnetic braking ring (26) in the braking system (4) and the slope angle measuring system (2) is connected in series between the ohmmeter (6) and the multi-gear switch (7). 2. The portable multifunctional geological compass according to claim 1, characterized in that, the slope angle measurement system (2) comprises a slope angle measurement housing (21); the slope angle measurement housing (21) passes through the slope angle The measuring housing bottom plate (211) is installed on the disc body (12) bottom surface of the compass; the slope angle measuring housing (21) is provided with a circular groove, and the center of the circular groove is provided with a central screw hole (214), and the central screw hole ( 214) is provided with an annular baffle (213) around, and the annular baffle (213) is a circular tube wall; between the annular baffle (213) and the groove wall of the circular groove is an annular groove. 3. The portable multifunctional geological compass according to claim 2, characterized in that, the slope angle measurement system (2) also includes a slope angle measurement shell cover (22), a conductive ball (23), a slope angle measurement resistor Ring (24), metal triangular ring (25), annular electromagnetic braking ring (26), insulating rubber ring (27); The center of the slope angle measuring case cover (22) is provided with a screw hole (221); the insulating triangular ring (222) is an annular triangular prism, and the insulating triangular ring (222) is arranged on the bottom angle of the slope angle measuring case cover (22) Inside; Annular electromagnetic braking ring (26) is set on the groove wall of the circular groove; The slope angle measuring resistance ring (24) is set on the annular electromagnetic braking ring (26); The metal triangular ring (25) is an annular triangular prism; the metal triangle ring (25) is arranged on the slope angle measuring resistance ring (24) and In the bottom angle between the bottom of the circular groove; the insulating rubber ring (27) is clamped between the metal triangular ring (25) and the slope angle measuring resistance ring (24); The slope angle measurement case cover (22) is combined with the slope angle measurement housing (21), and the metal triangular ring (25), the slope angle measurement resistance ring (24), and the insulating triangular ring (222) form a trapezoidal closed groove, and the conductive ball (23) be placed in this trapezoidal closed groove. 4. The portable multifunctional geological compass according to claim 1 or 3, characterized in that, the inclination measurement subsystem (3) comprises an inclination measurement housing (31), a disk (32), a control panel (33 ); the inclination measurement housing (31) is installed on the surface of the bottom of the disc body (12); the inclination measurement housing (31) is provided with a fixed plate (313) and a round hole; The disc (32) includes a disc (321) and a connecting shaft (322); the connecting shaft (322) is perpendicular to the disc (321) and connected as one; The circular plate (321) is provided with several screw holes; the end face of the connecting shaft (322) is provided with several screw holes; the disc cover (11) and the disc body (12) are hinged through the connecting shaft (322); the disc cover ( 11) The rotation drives the connecting shaft (322) to rotate; the control panel (33) includes the base (331) and the boss (332); the boss (332) is perpendicular to the base (331) and connected as one; the boss (332) There are screw holes on the table; The boss (332) on the control panel (33) passes through the round hole on the inclination measuring housing (31), and is fixed by screws and discs (32). 5. portable multifunctional geological compass according to claim 4, is characterized in that, described inclination measurement subsystem (3) also comprises inclination angle measurement resistance circle (34) and connection key (35); Inclination angle measurement resistance circle ( 34) Inlaid on the inner wall of the round hole of the inclination measuring housing (31); the connection key (35) is embedded in the boss (332), and the convex edge of the connection key (35) is reserved to protrude from the outer surface of the boss (332) . 6. according to claim 1 and 5 described portable multifunctional geological compass instruments, it is characterized in that, described braking system (4) also comprises U-shaped frame (48), elastic iron sheet (49); U-shaped frame ( 46) is an inverted "T" shaped plate, the bottom of which is fixed on the bottom surface of the disc body (12), and the top has a rectangular gap; the elastic iron sheet (47) is a bendable elastic metal sheet; the azimuth braking plate ( 48) and the inclination braking plate (49) are rigid rectangular plates with a “U” notch at one end; the “U” notch of the azimuth braking plate (47) is stuck on the spring (45), and the other end is connected The angle measurement subsystem (5) is connected; the angle braking plate (48) is clamped in the rectangular gap at the top of the U-shaped frame (46); the "U" shaped gap of the angle braking plate (49) is clamped on the spring (45) , the other end is hinged with an end of the elastic iron sheet (47) that is wound around the connecting shaft (322); the other end of the elastic iron sheet (47) is fixedly connected with the fixed plate (13) in the inclination measurement subsystem (3). 7. The portable multifunctional geological compass according to claim 6, characterized in that, the braking system (4) also includes a threaded pipe (41), a button (42), a drive tube (43), a circular card Groove (44), spring (45), inclination brake ring switch (410); The threaded pipe (41) is a round pipe with threads on the outer wall and six rectangular bosses evenly arranged on the inner wall; the threaded pipe (41) is screwed and fixed with the internal threaded hole (122) of the disc body (12); The button (42) is a circular tube with a closed top and a serrated bottom surface, and the circular tube is provided with (6) trapezoidal bosses around the outer wall; the top of the button (42) passes through the threaded tube (41) to expose the disc body (12 ) surface, the trapezoidal boss on the outer wall of the button (42) and the rectangular boss on the inner wall of the threaded pipe (41) are fitted; The driving tube (43) is a bell-shaped circular tube with a closed top, which is composed of two circular tubes with different diameters. The upper section of the driving tube (43) is a small circular tube, the lower section is a large circular tube, and the small circular tube After the bottom end and the top of the large circular tube are connected as one, the superfluous surface of the large circular tube is designed to be serrated; end and the sawtooth on the outside of the drive tube (43); the circular slot (44) is a round tube fixed at the bottom of the disc (12); the top of the spring (45) extends into the drive tube (43) and pushes against the drive In the tube (43), the bottom end stretches into the circular slot (44) and rests on the bottom surface of the disc body (12); Angle brake ring switch (410) comprises upper contact (410a) and lower contact (410b); Upper contact (410a) is installed on the lower surface of inclination brake ring (49), and lower contact (410b) is installed on the disc The upper surface of the body (12) bottom. 8. The portable multifunctional geological compass according to claim 1 or 7, characterized in that the multi-gear switch (7) includes shift key S and closing gear O, zeroing gear N, inclination gear Q, slope Angle block P four blocks; Zero-adjusting block N connects ohmmeter (6) through lead; Inclination block Q connects inclination measuring resistance coil (34) through lead; Inclination measuring resistance coil (34) connects ohmmeter (6) through lead; The slope angle stopper P is connected to the triangular metal ring (25) through the wire; the inclination measuring resistance coil (34) is connected to the ohmmeter (6) through the wire; the slope angle stopper P is connected to the upper contact (410a) in the braking system (4) through the wire ); the lower contact (410b) in the brake system (4) is connected to the annular electromagnetic braking ring (26) in the slope angle measuring system (2) through the wire; the annular electromagnetic braking ring (26) is connected to the ohmmeter through the wire (6). 9. The portable multifunctional geological compass according to claim 8, characterized in that, after the disc cover (11) and the disc body (12) are hinged, the disc cover (11) and the disc body (12) can be opened into 180° angle. 10. The portable multifunctional geological compass according to claim 1 or 9, further comprising a circular level (8); The circular level (8) is arranged on the groove (121).