CN218097549U - Combined ruler suitable for multi-angle measurement - Google Patents

Abstract

The utility model discloses a combination chi suitable for multi-angle measurement, include: the measuring device comprises a first semicircular box, a second semicircular box and a measuring device, wherein one semicircular plate of the first semicircular box is a first mounting plate, a measuring hole is formed in the first mounting plate, a verticality scale is arranged on the first mounting plate along the circumferential direction of the measuring hole, a cross is rotationally arranged in the first semicircular box and comprises a first frame and a second frame which are perpendicular to each other, a scale indicator is arranged at the end part of the first frame, a plumb is arranged at one end of the second frame, and the plumb is located in the first semicircular box; the second semicircular box is arranged above/below the first semicircular box, the straight side face of the second semicircular box and the straight side face of the first semicircular box are positioned in the same vertical plane, the second semicircular box is detachably connected with the first semicircular box, and a horizontal level bubble tube is arranged on one semicircular plate face of the second semicircular box. The utility model has the advantages of measurable quantity component and the contained angle on level ground, and the device volume is less, conveniently carries, measures simply.

Description

Combined ruler suitable for multi-angle measurement

Technical Field

The utility model relates to an angle measuring equipment field. More specifically, the utility model relates to a combination chi suitable for multi-angle measurement.

Background

With the deep development of the building industry, both industrial buildings and civil buildings tend to have individual and diversified comprehensive properties, particularly, large buildings adopt steel structures with wide application ranges, in the existing construction, the included angle between a steel structure member and the horizontal ground (similar to the vertical deviation angle of the steel structure member) needs to be measured sometimes, and then whether the installation of the steel structure member is qualified is judged. Therefore, a measuring tool with simple structure, convenient carrying and measurement and capability of measuring the included angle between the component and the horizontal ground is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve at least above-mentioned problem to a be applicable to the multi-angle measuring combination chi its plane contained angle between both measurable quantity two components, contained angle between measurable quantity component and the level ground again, and convenient to carry, it is simple to measure.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a combination ruler suitable for multi-angle measurement, including:

the measuring device comprises a first semicircular box, a first measuring device and a second measuring device, wherein the side face of a straight edge of the first semicircular box is vertically arranged, one semicircular plate of the first semicircular box is a first mounting plate, a measuring hole is formed in the first mounting plate, a verticality scale is arranged on the first mounting plate along the circumferential direction of the measuring hole, a cross is rotationally arranged in the first semicircular box, a rotating shaft of the cross is coaxial with the measuring hole, the cross comprises a first frame and a second frame which are perpendicular to each other, a scale pointing mark is arranged at the end part of the first frame, a plumb bob is arranged at one end of the second frame, and the plumb bob is positioned in the first semicircular box;

the second semicircular box is arranged above/below the first semicircular box, the straight side face of the second semicircular box is located in the same vertical plane with the straight side face of the first semicircular box, the circular arc side face of the second semicircular box is located on the same side of the straight side face of the first semicircular box, the second semicircular box is detachably connected with the first semicircular box, and a horizontal level bubble tube is arranged on one of the semicircular plate faces of the second semicircular box.

Preferably, the first semicircular box and the second semicircular box have the same size, the bottom of the second semicircular box is attached to the top of the first semicircular box, and a clamping groove is formed between the two arc side surfaces of the first semicircular box and the second semicircular box; the fixing piece comprises a first stud, a second stud, a third stud, a wedge, three pairs of fixing pieces and three pairs of nuts, the wedge is matched with the clamping groove and clamped in the clamping groove, the first stud penetrates through the upper portion of the first semicircular box, the second stud penetrates through the lower portion of the second semicircular box, the shape of the wedge is that the lower portion of the first semicircular box penetrates through the first stud, the third stud penetrates through the wedge and is arranged on the wedge, the first stud penetrates through the second stud and the end portion of each same side of the third stud penetrates between two pairs of fixing pieces, the first stud is connected with one nut on each end portion of the third stud, and the nut is located above the fixing pieces.

Preferably, still include the disc, the disc is established first semicircle box is kept away from one side of cross, the disc is close to the border department of the one side of first semicircle box is equipped with a plurality of first magnetite along the circumference interval, first semicircle box is close to be equipped with a plurality of second magnetite along the circumference interval in the one side of disc, second semicircle box is close to be equipped with a plurality of third magnetite along the circumference interval in the one side of disc, the second magnetite with third magnetite quantity sum equals first magnetite, the second magnetite the third magnetite with first magnetite one-to-one and mutual magnetic attraction.

Preferably, the disc deviates from the one side border of first magnetite is equipped with plane angle scale along circumference, plane angle scale scope is 0 ~ 360 degrees, the disc deviates from one side centre of a circle department of plane angle scale is equipped with a branch, a fixed reference bar along radial setting has set firmly on the branch, the free end of fixed reference bar is located 0 degree department, it is equipped with a activity angle strip along radial setting to rotate on the branch, the activity angle strip is located fixed reference bar top, the free end subsides of activity angle strip are established on the plane angle scale.

Preferably, the second semicircle box is equipped with the semicircle box board of level bubble pipe is the second mounting panel, set up the wedge shrinkage pool on the second mounting panel in order to deposit the wedge, the second mounting panel has been seted up the stationary blade card hole in order to deposit the stationary blade, set up the nut on the second mounting panel and accomodate the hole in order to deposit the nut.

Preferably, a square mounting hole has been seted up on the second mounting panel, the second mounting panel is located be equipped with a pair of piece in the one side in the second semicircle box, a pair of piece branch is established the top and the below of mounting hole rotate between a pair of piece and are equipped with an installation piece, the middle part of installation piece is rotated and is established on the level bubble pipe, the installation piece is kept away from middle part department and is run through and be equipped with a locking bolt, works as the locking bolt orientation the second semicircle box is relative the inner wall precession of mounting panel is to when with this inner wall butt, the installation piece is relative the second semicircle box is fixed.

Preferably, an auxiliary groove is formed in one side wall of the disc, the auxiliary groove is vertically arranged, and the groove width of the auxiliary groove is matched with the thickness of the first semicircular box.

The utility model discloses at least, include following beneficial effect:

by designing a first semicircular box, a first mounting plate, a measuring hole, a cross, a pointer, a plumb bob, a second semicircular box and a leveling bubble tube, when the leveling bubble tube is used, the straight side surfaces of the first semicircular box and the second semicircular box are near sides, the near sides lean against a component to be measured, the position of a bubble in the leveling bubble tube is observed, the near sides are adjusted to enable the bubble to be centered, and then the scale of the pointer is read, namely the angle between the component and the horizontal ground; on the whole, the included angle of measurable quantity component and level ground, and the device volume is less, conveniently carries, measures simply.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the first semicircular box and the second semicircular box according to one of the technical solutions of the present invention after being assembled;

fig. 2 is a schematic structural diagram of the first semicircular box and the second semicircular box according to one of the technical solutions of the present invention after being combined;

fig. 3 is a schematic structural diagram of a disc according to one embodiment of the present invention;

fig. 4 is a side view of the first semicircular box and the second semicircular box of the present invention in a measuring state after being assembled;

fig. 5 is a schematic structural diagram of the mounting block, the support block, the level bubble tube and the second semicircular box according to one of the technical solutions of the present invention.

Fig. 6 is a schematic structural view of the disc according to one of the technical solutions of the present invention.

Description of the drawings: 1-a rotating shaft; 2-a cross; 3-plumb bob; 4-a second magnet; 5-verticality scale; 6-a first stud; 7-a second stud; 8-a third stud; 9-a wedge; 10-leveling bubble tube; 11-fixing piece clamping holes; 12-a nut receiving bore; 13-a wedge pocket; 14-a fixing sheet; 15-a nut; 16-a third magnet; 17-a first magnet; 18 a circular disk; 19-a fixed reference bar; 20-active angle bar; 21-a strut; 22-a first semicircular box; 23-a second semicircular box; 24-a branch block; 25-a mounting block; 26-a locking bolt; 27-auxiliary groove.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-6, the utility model provides a combination chi suitable for multi-angle measurement, include:

the measuring device comprises a first semicircular box 22, wherein the side surface of a straight edge of the first semicircular box 22 is vertically arranged, one semicircular plate of the first semicircular box 22 is a first mounting plate, a measuring hole is formed in the first mounting plate, verticality scales 5 are arranged on the first mounting plate along the circumferential direction of the measuring hole, a cross 2 is rotationally arranged in the first semicircular box 22, a rotating shaft 1 of the cross 2 is coaxial with the measuring hole, the cross 2 comprises a first frame and a second frame which are perpendicular to each other, a scale pointing mark is arranged at the end part of the first frame, a plumb bob 3 is arranged at one end of the second frame, and the plumb bob 3 is positioned in the first semicircular box 22;

the second semicircular box 23 is arranged above/below the first semicircular box 22, the straight side surface of the second semicircular box 23 and the straight side surface of the first semicircular box 22 are positioned in the same vertical plane, the arc side surfaces of the second semicircular box 23 and the first semicircular box 22 are positioned on the same side of the straight side surface of the first semicircular box 22, the second semicircular box 23 is detachably connected with the first semicircular box 22, and a horizontal leveling bubble tube 10 is arranged on one semicircular plate surface of the second semicircular box 23;

in the above technical solution, the first semicircular box 22 and the second semicircular box 23 are both vertically arranged, the first semicircular box 22 and the second semicircular box 23 both include a vertical plate (i.e. a plate with a straight side), a pair of opposite semicircular plates, and an arc plate (i.e. a plate with an arc side), the first semicircular box 22 is rotatably provided with a rotating shaft 1, the rotating shaft 1 is coaxial with the measuring hole, the cross 2 is fixedly connected to the rotating shaft 1, the end of the first frame of the cross 2 is provided with a pointing sign, the pointing sign can be attached to the vertical scale 5 to indicate the scale, one end of the second frame is connected with a plumb bob 3 through a suspension wire, the plumb bob 3 is cylindrical, the bubble tube 10 is a horizontal tube with a bubble, and the bubble is a structure known to those skilled in the art, if the structure of the leveling bubble tube 10 can be consistent with that of the leveling bubble tube 10 in the prior art, when the bubble of the leveling bubble is located at the middle position, the leveling bubble tube 10 is horizontal, and the plumb bob 3 is vertical and does not contact with the inner wall of the first semicircular box 22 so as to avoid causing errors, the range of the verticality scale 5 is 0-360 degrees or two 0-180 degrees or is set according to the actual situation, when the first semicircular box 22 and the second semicircular box 23 are vertical, the plumb bob 3 is vertical and the scale where the plumb bob 3 is located is 0, and the angle pointed by the pointing mark on the first frame is 90 degrees, namely the included angle between the second semicircular box 23 and the first semicircular box 22 and the horizontal ground is 90 degrees, namely the first semicircular box 22 and the second semicircular box 23 are vertical to the ground; the first semicircular box 22 and the second semicircular box 23 can be detachably connected in a clamping manner or a screwing manner;

in the technical scheme, when the leveling bubble tube is used, the straight side surfaces of the first semicircular box 22 and the second semicircular box 23 are the leaning sides, the leaning sides lean against a component to be measured, the position of the bubble in the leveling bubble tube 10 is observed, the leaning sides are adjusted to enable the bubble to be centered, and then the scales of the pointing targets are read, namely the angles between the component and the horizontal ground; by adopting the technical scheme, the obtained beneficial effects are that the included angle between the component and the horizontal ground can be measured by designing the first semicircular box 22, the first mounting plate, the measuring hole, the cross 2, the direction indicator, the plumb bob 3, the second semicircular box 23 and the level bubble tube 10, and the device has the advantages of small volume, convenience in carrying and simplicity in measurement.

In another technical solution, the first semicircular box 22 and the second semicircular box 23 have the same size, the bottom of the second semicircular box 23 is attached to the top of the first semicircular box 22, and a clamping groove is formed between two circular arc side surfaces of the first semicircular box 22 and the second semicircular box 23; the fixing piece comprises a first stud 6, a second stud 7, a third stud 8, a wedge 9, three pairs of fixing pieces 14 and three pairs of nuts 15, wherein the wedge 9 is matched with the clamping groove and clamped in the clamping groove, the first stud 6 penetrates through the upper portion of the first semicircular box 22, the second stud 7 penetrates through the lower portion of the second semicircular box 23, the wedge 9 is shaped, the first stud 6 penetrates through the lower portion of the first semicircular box 22, the third stud 8 penetrates through the wedge 9, the fixing pieces 14 penetrate through the end portions of the first stud 6, the second stud 7 and the third stud 8 on the same side, one nut 15 is screwed on each end portion of the first stud 6, the second stud 7 and the third stud 8, and the nut 15 is located above the fixing pieces 14; when the fixing device is used, the wedges 9 are inserted into the clamping grooves, then the fixing pieces 14 are arranged on the end portions of the two studs in a stringing mode until all the fixing pieces 14 are arranged in a stringing mode, then the nuts 15 are screwed into the corresponding studs until locking is achieved, at the moment, the first semicircular box 22 and the second semicircular box 23 are fixed relatively, and the straight side faces of the first semicircular box 22 and the second semicircular box 23 are located in the same vertical plane; by adopting the technical scheme, the obtained beneficial effects are that a mode that the first semicircular box 22 and the second semicircular box 23 can be detachably connected is provided by designing the first stud 6, the second stud 7, the third stud 8, the fixing piece 14, the wedge 9 and the nut 15, the material taking is convenient, and the fixing effect is good.

In another technical scheme, the magnetic disc type magnetic coupling device further comprises a disc 18, wherein the disc 18 is arranged on one side, away from the first mounting plate, of the first semicircular box, a plurality of first magnets 17 are circumferentially arranged at intervals at the edge of one side, close to the first semicircular box 22, of the disc 18, a plurality of second magnets 4 are circumferentially arranged at intervals at one side, close to the disc 18, of the first semicircular box 22, a plurality of third magnets 16 are circumferentially arranged at intervals at one side, close to the disc 18, of the second semicircular box 23, the sum of the number of the second magnets 4 and the number of the third magnets 16 is equal to that of the first magnets 17, and the second magnets 4, the third magnets 16 and the first magnets 17 are in one-to-one correspondence and mutually magnetically attracted; when the measurement is not needed, the first semicircular box 22 and the second semicircular box 23 are detached and separated, then the first semicircular box 22 and the second semicircular box 23 are oppositely arranged (namely right-angled sides are opposite), and then the first semicircular box 22 and the second semicircular box 23 are magnetically adsorbed on the disc 18 by utilizing the magnetic attraction force of the second magnet 4, the third magnet 16 and the first magnet 17; by adopting the technical scheme, the obtained beneficial effects are that the first semicircular box 22 and the second semicircular box 23 are magnetically adsorbed on the disc 18 when not being measured by designing the disc 18, the first magnet 17, the second magnet 4 and the third magnet 16, so that the carrying is convenient.

In another technical scheme, a plane angle scale is circumferentially arranged on one side edge of the disc 18, which is far away from the first magnet 17, the range of the plane angle scale is 0-360 degrees, a supporting rod 21 is arranged at the center of one side of the disc 18, which is far away from the plane angle scale, a fixed reference bar 19 which is radially arranged is fixedly arranged on the supporting rod 21, the free end of the fixed reference bar 19 is located at 0 degree, a movable angle bar 20 which is radially arranged is rotatably arranged on the supporting rod 21, the movable angle bar 20 is located above the fixed reference bar 19, and the free end of the movable angle bar 20 is attached to the plane angle scale; more specifically, the middle parts of the fixed reference bar 19 and the movable angle bar 20 are provided with a black line, the black lines are arranged along the radial direction of the disc 18, one end of the black line of the fixed reference bar 19, which is far away from the center of the circle, points to a scale of 0, and the angle value, which points to one end of the black line of the movable angle bar 20, which is far away from the center of the circle, is the plane angle between the two members; by adopting the technical scheme, the device has the beneficial effects that the two-dimensional plane angle between two components can be measured by designing the plane angle scale, the fixed reference bar 19 and the movable angle bar 20, and the application range of the device is widened.

In another kind of technical scheme, second semicircle box 23 is equipped with the semicircle board of level bubble pipe 10 is the second mounting panel, seted up wedge shrinkage pool 13 on the second mounting panel in order to deposit wedge 9, the second mounting panel has seted up stationary blade card hole 11 in order to deposit stationary blade 14, seted up the nut on the second mounting panel and accomodate hole 12 in order to deposit nut 15, specifically, wedge shrinkage pool 13 with wedge 9 phase-match, stationary blade 14 hole with stationary blade 14 phase-match, the nut accomodate hole 12 with nut 15 phase-match adopts this technical scheme, and the beneficial effect who obtains is through designing wedge shrinkage pool 13, stationary blade 14 hole and nut and accomodate hole 12, when need not measuring, can accomodate wedge 9, stationary blade 14 and nut 15 respectively, guarantees the regularity of these auxiliaries, avoids falling the loss.

In another technical scheme, a square mounting hole is formed in the second mounting plate, a pair of supporting blocks 24 is arranged on one surface of the second mounting plate, which is positioned in the second semicircular box 23, the supporting blocks 24 are respectively arranged above and below the mounting hole, a mounting block 25 is rotatably arranged between the supporting blocks 24, the bubble vial 10 is arranged on the mounting block 25, a locking bolt 26 penetrates through the mounting block 25, which is far away from the middle part, and when the locking bolt 26 is screwed towards the inner wall of the second semicircular box 23, which is opposite to the mounting plate, to abut against the inner wall, the mounting block 25 is fixed relative to the second semicircular box 23; specifically, the pair of supporting blocks 24 are horizontally arranged and located at one end close to the mounting hole, the pair of supporting blocks 24 are located on the same vertical plane and located in the second semicircular box 23, the two ends of the mounting block 25 are connected with the corresponding supporting blocks 24 in a clamping or serial mode to achieve rotary connection, when the leveling bubble tube 10 is used and needs to be measured, the leveling bubble tube 10 is screwed out of the second semicircular box 23, preferably, the leveling bubble tube 10 is screwed out and then is perpendicular to the second semicircular box 23, the mounting block 25 is fixed relative to the second semicircular box 23 through the locking bolt 26, the second semicircular box 23 can rotate around the leveling bubble tube 10 to achieve measurement, after the measurement is finished, the locking bolt 26 is screwed out of the inner wall of the second semicircular box 23, and then the leveling bubble tube 10 is rotated to be accommodated in the second semicircular box 23; adopt this technical scheme, the beneficial effect who obtains is through design mounting hole, a piece 24, installation piece 25, locking bolt 26, conveniently accomodates level bubble pipe 10, exposes when avoiding level bubble pipe 10 not using and receives in the air and collide with.

In another technical solution, an auxiliary groove 27 is formed in one side wall of the disc 18, the auxiliary groove 27 is vertically arranged, the width of the auxiliary groove 27 is adapted to the thickness of the first semicircular box 22, specifically, the auxiliary groove 27 is a groove with two open ends, so that the first semicircular box 22 and the second semicircular box 23 can be conveniently inserted from the side surface, when in use, the straight side surfaces of the first semicircular box 22 and the second semicircular box 23 are inserted into the auxiliary groove 27, then the wedge 9 is inserted into the clamping groove between the arc side surfaces of the first semicircular box 22 and the second semicircular box 23, and then the fixing piece 14 and the nut 15 are used for fixing the first semicircular box 22 and the second semicircular box 23; by adopting the technical scheme, the obtained beneficial effects are that the first semicircular box 22 and the second semicircular box 23 can be assembled in an auxiliary way by designing the auxiliary groove 27, and the assembly is quick and convenient.

The utility model provides a combination chi suitable for multi-angle measurement, this combination chi do not belong to the precision measurement chi category, and this combination chi includes:

the measuring device comprises a first semicircular box 22 which is vertically arranged, wherein the side surface of a straight edge of the first semicircular box 22 is vertically arranged, one semicircular plate of the first semicircular box 22 is a first mounting plate, a measuring hole is formed in the first mounting plate, a verticality scale 5 is arranged on the first mounting plate along the circumferential direction of the measuring hole, a cross 2 is rotatably arranged in the first semicircular box 22, a rotating shaft 1 of the cross 2 is coaxial with the measuring hole, the cross 2 comprises a first frame and a second frame which are perpendicular to each other, a scale pointing mark is arranged at the end part of the first frame, a plumb bob 3 is arranged at one end of the second frame, and the plumb bob 3 is positioned in the first semicircular box 22;

the second semicircular box 23 is vertically arranged, the second semicircular box 23 is arranged above/below the first semicircular box 22, the straight side surface of the second semicircular box 23 and the straight side surface of the first semicircular box 22 are positioned in the same vertical plane, the arc side surfaces of the second semicircular box 23 and the first semicircular box 22 are positioned on the same side of the straight side surface of the first semicircular box 22, the second semicircular box 23 is detachably connected with the first semicircular box 22, and a horizontal leveling bubble tube 10 is arranged on one semicircular plate surface of the second semicircular box 23;

the first semicircular box 22 and the second semicircular box 23 are the same in size, the bottom of the second semicircular box 23 is attached to the top of the first semicircular box 22, and a clamping groove is formed between the two arc side surfaces of the first semicircular box 22 and the second semicircular box 23; the fixing piece comprises a first stud 6, a second stud 7, a third stud 8, a wedge 9, three pairs of fixing pieces 14 and three pairs of nuts 15, wherein the wedge 9 is matched with the clamping groove and clamped in the clamping groove, the first stud 6 penetrates through the upper portion of the first semicircular box 22, the second stud 7 penetrates through the lower portion of the second semicircular box 23, the wedge 9 is shaped, the first stud 6 penetrates through the lower portion of the first semicircular box 22, the third stud 8 penetrates through the wedge 9, the fixing pieces 14 penetrate through the end portions of the first stud 6, the second stud 7 and the third stud 8 on the same side, one nut 15 is screwed on each end portion of the first stud 6, the second stud 7 and the third stud 8, and the nut 15 is located above the fixing pieces 14;

the disc 18 is arranged on one side, away from the first mounting plate, of the first semicircular box, a plurality of first magnets 17 are arranged at the edge of one face, close to the first semicircular box 22, of the disc 18 at intervals along the circumferential direction, a plurality of second magnets 4 are arranged at the face, close to the disc 18, of the first semicircular box 22 at intervals along the circumferential direction, a plurality of third magnets 16 are arranged at the face, close to the disc 18, of the second semicircular box 23 at intervals along the circumferential direction, the sum of the number of the second magnets 4 and the number of the third magnets 16 is equal to that of the first magnets 17, and the second magnets 4, the third magnets 16 and the first magnets 17 are in one-to-one correspondence and are in magnetic attraction with each other;

a plane angle scale is circumferentially arranged on one side edge of the disc 18 departing from the first magnet 17, the range of the plane angle scale is 0-360 degrees, a supporting rod 21 is arranged at the center of a circle of one side of the disc 18 departing from the plane angle scale, a fixed reference bar 19 arranged along the radial direction is fixedly arranged on the supporting rod 21, the free end of the fixed reference bar 19 is located at the 0-degree position, a movable angle bar 20 arranged along the radial direction is rotatably arranged on the supporting rod 21, the movable angle bar 20 is located above the fixed reference bar 19, and the free end of the movable angle bar 20 is attached to the plane angle scale;

the semicircular plate of the second semicircular box 23, on which the leveling bubble tube 10 is arranged, is a second mounting plate, a wedge concave hole 13 is formed in the second mounting plate to store the wedge 9, a fixing piece clamping hole 11 is formed in the second mounting plate to store the fixing piece 14, and a nut accommodating hole 12 is formed in the second mounting plate to store the nut 15;

a square mounting hole is formed in the second mounting plate, a pair of supporting blocks 24 is arranged on one surface of the second mounting plate, which is positioned in the second semicircular box 23, the supporting blocks 24 are respectively arranged above and below the mounting hole, a mounting block 25 is rotatably arranged between the supporting blocks 24, the level bubble tube 10 is arranged on the mounting block 25, a locking bolt 26 penetrates through the mounting block 25, which is far away from the middle part, and when the locking bolt 26 is screwed towards the inner wall of the second semicircular box 23, which is opposite to the mounting plate, to abut against the inner wall, the mounting block 25 is fixed relative to the second semicircular box 23;

in the above scheme, during actual design, the disc 18 may be an annular ruler with a diameter of 600mm, the thickness is 10mm, the material is steel, the pitch arc length is 400mm, the first magnet 17 is arranged, a transverse fixed datum bar 19 extending to the center of a circle is arranged at an initial point of 0 ° (360 °) according to 360 ° copying angle degree, the length of the datum bar exceeds the center of the circle, the width of the datum bar is 50mm, the datum bar is fixedly connected with the annular ruler surface, a movable fixed rotating shaft 1 with a diameter of 20mm is arranged at the center of the datum bar, a movable angle bar 20 is installed by taking the movable fixed rotating shaft 1 at the center of the datum bar as a starting point and extends to the annular ruler surface, the width of the movable angle bar 20 is 50mm, and the movable angle bar 20 is connected with the fixed datum bar 19 by a movable shaft buckle, the movable angle bar 20 is positioned on the upper side of the fixed datum bar 19 and can rotate for 360 degrees, the movable angle bar 20 and the fixed datum bar 19 are made of transparent acrylic plates, the central focal point of the movable angle bar 20 and the fixed datum bar 19 is a circle center focal point, a black datum line is arranged at the central positions of the movable angle bar 20 and the fixed datum bar 19 and used as a measurement result guide, when the device is used, a black line on the fixed datum bar 19 is only required to be aligned to one component needing angle measurement, the movable angle bar 20 is rotated, the black line on the movable angle bar 20 is rotated to the other component surface needing angle measurement until the black line is matched with a side line, and the angle value of the position of the black line can be directly read, so that a result is obtained;

the thickness of the first semicircular box 22 and the thickness of the second semicircular box 23 are both 40mm, the inner cavity structure is made of aluminum alloy, the first semicircular box 22 and the second semicircular box 23 are combined to form a circular ruler with the diameter of 600mm, the second magnet 4 and the third magnet 16 are arranged at an arc length of 400mm, and the first semicircular box 22 and the second semicircular box 23 can be adsorbed together through the first magnet 17 and the second magnet 4; when the second semicircular box 23 is attached to the top of the first semicircular box 22, a double semicircular long ruler with the length of 1200mm is formed, after the double semicircular long ruler is folded, two straight side surfaces are on the same plane, and the first semicircular box 22 and the second semicircular box 23 are connected through a wedge 9, a fixing piece 14 and a nut 15;

the first semicircular box 22 is a semicircular box ruler with the thickness of 40mm, a 250mm diameter measurement core area is separately circled in the middle of the first semicircular box 22, a side panel of the area is removed, a side panel is reserved and is used as a base anchor plate of the component arrangement, a fixed point of a rotating shaft 1 is arranged at the circle center of the measurement core area and is sleeved into a cross-shaped rotating frame, the width and the thickness of the rotating frame are both 20mm, a plumb bob 3 is hung at the bottom of the shaft frame in one direction of the rotating frame, and the size of the plumb bob 3 is up to the size

The high cylindric sets up the direction mark on two shaft brackets of the shaft bracket perpendicular department that the revolving rack hangs the gravity hammer, and the scale size that the direction mark pointed on the panel is promptly with the angle of ground horizontal plane, and the panel is 2mm thick transparent inferior gram force board.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. It will be apparent to those skilled in the art that the application, modifications and variations of the present invention to a multi-angle measuring combo ruler are obvious.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (7)

1. Combination chi suitable for multi-angle measurement, its characterized in that includes:

the measuring device comprises a first semicircular box, a first measuring device and a second measuring device, wherein the side face of a straight edge of the first semicircular box is vertically arranged, one semicircular plate of the first semicircular box is a first mounting plate, a measuring hole is formed in the first mounting plate, a verticality scale is arranged on the first mounting plate along the circumferential direction of the measuring hole, a cross is rotationally arranged in the first semicircular box, a rotating shaft of the cross is coaxial with the measuring hole, the cross comprises a first frame and a second frame which are perpendicular to each other, a scale pointing mark is arranged at the end part of the first frame, a plumb bob is arranged at one end of the second frame, and the plumb bob is positioned in the first semicircular box;

the second semicircular box is arranged above/below the first semicircular box, the straight side face of the second semicircular box is located in the same vertical plane with the straight side face of the first semicircular box, the circular arc side face of the second semicircular box is located on the same side of the straight side face of the first semicircular box, the second semicircular box is detachably connected with the first semicircular box, and a horizontal level bubble tube is arranged on one of the semicircular plate faces of the second semicircular box.

2. The combination ruler suitable for multi-angle measurement according to claim 1, wherein the first semicircular box and the second semicircular box have the same size, the bottom of the second semicircular box is attached to the top of the first semicircular box, and a clamping groove is formed between two arc sides of the first semicircular box and the second semicircular box; the fixing piece comprises a first stud, a second stud, a third stud, a wedge, three pairs of fixing pieces and three pairs of nuts, the wedge is matched with the clamping groove and clamped in the clamping groove, the first stud penetrates through the upper portion of the first semicircular box, the second stud penetrates through the lower portion of the second semicircular box, the shape of the wedge is that the lower portion of the first semicircular box penetrates through the first stud, the third stud penetrates through the wedge and is arranged on the wedge, the first stud penetrates through the second stud and the end portion of each same side of the third stud penetrates between two pairs of fixing pieces, the first stud is connected with one nut on each end portion of the third stud, and the nut is located above the fixing pieces.

3. The combination ruler suitable for multi-angle measurement according to claim 2, further comprising a disc, wherein the disc is arranged on one side of the first semicircular box, which is away from the first mounting plate, a plurality of first magnets are arranged at the edge of one side of the disc, which is close to the first semicircular box, along the circumferential interval, a plurality of second magnets are arranged at the edge of one side of the disc, which is close to the second semicircular box, along the circumferential interval, the sum of the number of the second magnets and the number of the third magnets is equal to that of the first magnets, and the second magnets, the third magnets and the first magnets are in one-to-one correspondence and are in magnetic attraction with each other.

4. The combination ruler suitable for multi-angle measurement according to claim 3, wherein the edge of the disc facing away from the first magnet is provided with a planar angle scale along the circumferential direction, the range of the planar angle scale is 0-360 degrees, a support rod is arranged at the center of the disc facing away from the planar angle scale, a fixed reference bar arranged along the radial direction is fixedly arranged on the support rod, the free end of the fixed reference bar is located at 0 degree, a movable angle bar arranged along the radial direction is rotatably arranged on the support rod, the movable angle bar is located above the fixed reference bar, and the free end of the movable angle bar is attached to the planar angle scale.

5. The composite ruler of claim 2, wherein the semicircular plate of the second semicircular box on which the bubble vial is disposed is a second mounting plate, the second mounting plate has a wedge recess for storing the wedge, the second mounting plate has a fixing plate engaging hole for storing the fixing plate, and the second mounting plate has a nut receiving hole for storing the nut.

6. The combination ruler suitable for multi-angle measurement according to claim 5, wherein the second mounting plate has a square mounting hole, one surface of the second mounting plate located in the second semicircular box has a pair of support blocks, the support blocks are respectively disposed above and below the mounting hole, a mounting block is rotatably disposed between the support blocks, the level bubble tube is disposed on the mounting block, a locking bolt is disposed at a position of the mounting block far from the middle portion, and when the locking bolt is screwed to abut against the inner wall of the mounting plate toward the second semicircular box, the mounting block is fixed with respect to the second semicircular box.

7. The combination ruler for multi-angle measurement according to claim 4, wherein an auxiliary groove is formed in a side wall of the circular disc, the auxiliary groove is vertically arranged, and the groove width of the auxiliary groove is matched with the thickness of the first semicircular box.

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