CN111595272A - Device and method for measuring and calculating area of pitched roof - Google Patents
Device and method for measuring and calculating area of pitched roof Download PDFInfo
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- CN111595272A CN111595272A CN202010480696.8A CN202010480696A CN111595272A CN 111595272 A CN111595272 A CN 111595272A CN 202010480696 A CN202010480696 A CN 202010480696A CN 111595272 A CN111595272 A CN 111595272A
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- pitched roof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
Abstract
The invention relates to a pitched roof area measuring and calculating device which comprises a supporting seat, a supporting rod arranged at the bottom of the supporting seat and a base arranged at the top of the supporting seat, wherein a rotating platform is rotatably arranged at the top of the base, the rotating center line of the rotating platform is the axis of the rotating platform in the vertical direction, a convex block is arranged at the top of the rotating platform, a notch is formed in the convex block, a first laser pen is rotatably arranged in the notch through a rotating shaft, and the axis of the rotating shaft is arranged along the horizontal direction; angle scale lines I are carved on the periphery of the rotating table on the base, and the angle scale lines I are arranged in a circular array by taking the rotating center line of the rotating table as the center; the shaping of lug one side has the arc wall with the notch intercommunication, and the centre of a circle of arc wall edge pitch arc falls on the axis of pivot, and laser pen one side is provided with the arc piece that extends to the arc wall outside, and the lug outside is carved with angle scale mark two. The invention has the effect of facilitating the measurement and calculation of the area of the pitched roof when the pitched roof does not extend out of the wall.
Description
Technical Field
The invention relates to the technical field of building measurement and calculation, in particular to a slope roof area measurement and calculation method.
Background
At present, when measuring the area of the pitched roof, if two sides of the width direction of the roof extend to the outside of the wall (see fig. 1), the length of the pitched roof, that is, the length of the house, is usually detected, then the height difference between the extended part, the highest point and the lowest point is measured by using a laser range finder, and then the extended width is measured, so that the slope of the slope can be obtained, and then the area of the pitched roof can be calculated according to the width of the whole roof.
The above prior art solutions have the following drawbacks: although the area of the roof with the hypotenuse extending outside the wall can be measured by using the laser range finder, when the two sides of the pitched roof do not extend outside the wall (as shown in fig. 1), the area of the roof is not conveniently measured by using the laser range finder, and therefore, a device for conveniently measuring and calculating the area of the pitched roof is needed.
Disclosure of Invention
In view of the disadvantages of the prior art, it is an object of the present invention to provide a device for measuring and calculating the area of a pitched roof, which is capable of measuring and calculating the area of the pitched roof conveniently when the pitched roof does not extend out of a wall.
The above object of the present invention is achieved by the following technical solutions:
a device for measuring and calculating the area of an inclined roof comprises a supporting seat, a supporting rod arranged at the bottom of the supporting seat and a base arranged at the top of the supporting seat, wherein a rotating table is rotatably arranged at the top of the base, the rotating center line of the rotating table is the axis of the rotating table in the vertical direction, a convex block is arranged at the top of the rotating table, a notch is formed in the convex block, a first laser pen is rotatably arranged in the notch through a rotating shaft, and the axis of the rotating shaft is arranged along the horizontal direction; angle scale lines I are carved on the periphery of the rotating table on the base, and the angle scale lines I are arranged in a circular array by taking the rotating center line of the rotating table as the center; an arc-shaped groove communicated with the notch is formed in one side of the convex block, the circle center of an arc line at the edge of the arc-shaped groove is located on the axis of the rotating shaft, an arc-shaped block extending to the outside of the arc-shaped groove is arranged on one side of the laser pen, angle scale lines II are carved on the outside of the convex block, the angle scale lines II are arranged in a circular array by taking the axis of the rotating shaft as the center, and pointers are arranged on the arc-shaped block and the rotating table; the base is provided with a first driving part for driving the rotating platform to rotate, and a second driving part for driving the first laser pen to rotate is arranged in the protruding block.
By adopting the technical scheme, the base and the rotating platform are installed by using the structures of the supporting rod and the supporting seat, the rotating platform is rotatably connected with the base, the first laser pen is rotatably connected with the lug on the rotating platform, and the rotating axis is arranged along the horizontal direction; make the axis of revolving stage flush with one side of house width direction when measuring, measure the distance between revolving stage axis to the house wall, can obtain the ascending angle of horizontal direction through pointer and angle scale mark one after the revolving stage rotates, use driving piece two can carry out the rotation of laser pen one, through the structure of arc piece, pointer and angle scale mark two, can obtain the turned angle of laser pen one in the vertical direction.
The present invention in a preferred example may be further configured to: the supporting seat is provided with a mounting groove, the bottom of the supporting seat is rotatably provided with a rotating rod, the top of the rotating rod extends into the mounting groove and is connected with a first bevel gear, a plurality of mounting blocks are arranged in the mounting groove, the mounting blocks are distributed in a circular array by taking the axis of the rotating rod as the center, a bidirectional screw rod is rotatably mounted in each mounting block, one end of the bidirectional screw rod, which is close to the first bevel gear, is provided with a second bevel gear, and the first bevel gear; the first sliding block and the second sliding block are slidably mounted at the bottom of the mounting groove, the bidirectional screw rod penetrates through the first sliding block and the second sliding block, and bidirectional threads on the bidirectional screw rod are respectively in threaded fit with the first sliding block and the second sliding block; the bottom of the base is provided with an arc piece which is abutted against the first sliding block and the inner wall of the mounting groove; a connecting column is arranged at the bottom of the base and is superposed with the axis of the base, a positioning rod is arranged at the top of the sliding block II, and a clamping hole matched with the positioning rod is formed in the connecting column; one side that the spliced pole was kept away from to the arc piece is provided with the guide block, and the shaping has vertical guide way on the mounting groove lateral wall.
By adopting the technical scheme, the structure of the forming installation groove on the supporting seat is used for installing the base, when the installation is carried out, the arc-shaped piece is sent into the installation groove through the guide of the guide block and the guide groove, then the rotating rod rotates, the rotating rod can drive the first bevel gear to rotate, the second bevel gear drives the second bevel gear and the bidirectional screw rod to rotate, the first sliding block and the second sliding block can be driven to mutually approach or separate when the bidirectional screw rod rotates, the first sliding block and the arc-shaped piece abut against each other when the two sliding blocks are mutually separated, the arc-shaped piece is fixed in position, and the second sliding block drives the positioning rod to be matched with the connecting column, so that the positioning of the connecting column; through the structure, the base can be mounted and dismounted only by rotating the rotating rod, and the use is more convenient; and, among the prior art, it is fixed to install through the screw that increases four corners department on the base more, but when the structure of screw was installed, the elasticity degree of the screw of four corners department is difficult to control the same, the elasticity degree is different, because of the reason of deformation, the axis that probably causes the dwang is no longer in vertical state, can cause great influence to the measuring structure, and adopt above-mentioned scheme, direction through the guide block, carry out rigidity using the slider, the difficult condition that appears the revolving stage offset, be convenient for carry out the effective measurement of data.
The present invention in a preferred example may be further configured to: the axis of the rotating rod is overlapped with the axis of the rotating table, the axis of the rotating rod is perpendicular to and intersected with the axis of the rotating shaft, and the axis of the rotating rod is intersected with the axis of the first laser pen; the rotating handle is arranged on the rotating rod.
Through adopting above-mentioned technical scheme, the axis coincidence of dwang and revolving stage, the axis coincidence of dwang, revolving stage all with the pivot and crossing, the axis of dwang and the axis of laser pen one intersect, when measuring initial position, the perpendicular wall of a laser pen sets up for the axis of dwang and the edge of wall side flush, alright flush with the axis and the wall body edge that realize laser pen one.
The present invention in a preferred example may be further configured to: the top of the support rod is hinged with the support seat, the support rod is provided with three positions, hinge rods are hinged on the support rod, one ends of the three hinge rods, which are close to each other, are connected with connecting rings, and the outer sides of the connecting rings are hinged with the end parts of the hinge rods; the connecting ring is sleeved outside the rotating rod.
By adopting the technical scheme, the support rod is hinged with the support seat, the structure of the connecting ring is added and the hinge rod on the support rod is hinged, and the three support rods can be driven to rotate when the connecting ring is pulled; the go-between cover is established outside the dwang, can carry out the slip of go-between along the dwang for carry out drawing in of bracing piece.
The present invention in a preferred example may be further configured to: the bottom of dwang is provided with the laser pen two, and the axis coincidence of laser pen two and dwang.
Through adopting above-mentioned technical scheme, use two structures of laser pen, the axis coincidence of two, bracing piece and the revolving stage of laser pen, shine subaerial when two laser pens open, as long as record the horizontal distance of the falling point department to the wall body of two laser pens, alright with the axis that can obtain the pivot to the distance x of wall body1。
The present invention in a preferred example may be further configured to: the base is internally provided with a first empty groove, the bottom of the rotating platform is provided with a rotating shaft, the bottom of the rotating shaft extends into the first empty groove, the rotating platform is rotatably connected with the base through the rotating shaft, the bottom of the rotating shaft is provided with a first worm wheel, the first driving piece comprises a first worm rotatably arranged on the base, and the first worm is meshed with the second worm wheel; the boss is provided with a second empty groove, the rotating shaft extends into the second empty groove and is connected with a second worm wheel, the second driving piece comprises a second worm rotatably installed on the boss, and the second worm is meshed with the second worm wheel.
By adopting the technical scheme, the structures of the first worm and the second worm are respectively used as driving pieces, the first worm and the second worm are found by the rotating platform to be matched, the first worm wheel can be driven and the rotating platform can be driven to rotate when the first worm is rotated, the second worm and the second worm wheel are matched, and the second worm wheel and the first laser pen can be driven to rotate when the second worm is rotated.
The present invention in a preferred example may be further configured to: be provided with two spring grooves on the base, the spring groove is located a worm both sides and perpendicular to worm setting, movable mounting has the spring beam in the spring groove, the spring beam slides along spring groove length direction, be provided with reset spring in the spring groove, the tank bottom in spring groove and the tip of spring beam are connected respectively to the reset spring both ends, the spring beam is provided with the arc wall towards the one end of worm, the spring beam is provided with anti-skidding line on the arc wall, the top of the vertical direction in spring groove has the one-shaped hole with outside intercommunication along its length direction shaping, be connected with the movable rod on the spring rod, the movable rod extends to a hole outside.
By adopting the technical scheme, the structure of the spring groove and the spring rod is added, the spring rod slides in the spring groove under the action of the reset spring, and the end part of the spring rod is tightly propped against the first worm, so that the first worm is further positioned; because the first worm needs to drive the rotating table when in use, the first worm can use a handle or a knob structure, after the rotating table rotates, the position of the rotating table needs to be fixed, otherwise, the measuring accuracy can be influenced, although the structures of the worm and the worm wheel have a self-locking effect, in the process of observing and rotating the second worm, even touch can cause the rotation of the first worm, the angle of the rotating table changes, the measuring structure is influenced, and therefore the structure of the spring rod is used for further limiting the structure of the first worm after rotating, and the measuring device can measure more accurately.
The present invention in a preferred example may be further configured to: the movable rod comprises a bottom rod connected with the spring rod and a top rod hinged with the bottom rod, the rotating center line of the top rod is parallel to the axis of the spring rod, a bulge is formed on the base, and a clamping groove matched with the top rod is formed in the bulge.
Through adopting above-mentioned technical scheme, set up the movable rod into sill bar and ejector pin two parts, the ejector pin can rotate, carries out the pulling of movable rod earlier when using for ejector pin and bellied position correspond each other, later rotate the ejector pin and make the ejector pin enter into the draw-in groove, realized the location to movable rod and spring beam, the spring beam no longer produces the influence to the rotation of worm one.
Another object of the present invention is to provide a measuring and calculating method, which facilitates the measurement and calculation of the slope roof area in cooperation with a measuring and calculating device, and the object is achieved by the following technical solutions:
a method for measuring and calculating the area of a pitched roof comprises the following steps:
By adopting the technical scheme, the vertical distance from the axis to the edge of the wall body is obtained through measurement, and the angle after three times of rotation is obtained, so that the area of the pitched roof can be obtained through calculation, and the measurement process is convenient.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the base and the rotating platform are installed by using a supporting rod and a supporting seat, the rotating platform is rotatably connected with the base, the first laser pen is rotatably connected with a lug on the rotating platform, and a rotating axis is arranged along the horizontal direction; when the measurement is carried out, the axis of the rotating platform is flush with one side in the width direction of the house, the distance between the axis of the rotating platform and the wall of the house is measured, the angle in the horizontal direction can be obtained through the pointer and the angle scale mark I after the rotating platform rotates, the driving piece II can be used for rotating the laser pen I, and the rotating angle of the laser pen I in the vertical direction can be obtained through the structures of the arc-shaped block, the pointer and the angle scale mark II;
2. the installation groove and the arc-shaped piece are additionally arranged to install the base, and the structures of the first sliding block and the second sliding block can be driven to slide through the rotation of the rotating rod, so that the positioning of the base is realized, and the installation is more convenient and stable;
3. the structure that uses two sets of worm wheels and worm rotates the drive of platform and laser pen one, uses comparatively aspect and has the auto-lock effect, has increased the structure of spring groove and spring beam, can further fix a position the structure of worm one, in the accommodation process, is difficult for because the mistake touches the rotation that causes the rotation platform, reduces measuring error.
Drawings
FIG. 1 is a schematic view of a pitched roof structure to be tested;
FIG. 2 is a schematic structural diagram of a main body according to an embodiment;
FIG. 3 is a schematic view of a base mounting structure according to an embodiment;
FIG. 4 is a schematic view of a driving member according to an embodiment;
FIG. 5 is a schematic view of the spring slot and spring rod arrangement of the first embodiment.
Reference numerals: 1. a supporting seat; 11. rotating the rod; 12. a second laser pen; 13. mounting grooves; 14. a first bevel gear; 15. A second bevel gear; 16. mounting blocks; 17. a bidirectional screw rod; 18. a first sliding block; 19. a second sliding block; 191. positioning a rod; 2. a support bar; 21. a hinged lever; 22. a connecting ring; 3. a base; 30. a first angle scale mark; 31. an empty groove; 32. a first worm wheel; 33. A first worm; 34. a protrusion; 35. a spring slot; 36. a spring lever; 37. a return spring; 38. a hole; 4. a rotating table; 41. an arc-shaped sheet; 42. connecting columns; 43. a guide groove; 5. a bump; 50. angle scale lines II; 51. a notch; 52. a rotating shaft; 53. an arc-shaped slot; 54. an arc-shaped block; 55. a second worm gear; 56. a second worm; 6. a first laser pen; 7. a movable rod; 71. A bottom bar; 72. and a push rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2, the support rod 2 is hinged to the bottom of the base 3, the support rod 2 is connected with a hinge rod 21, the hinge rod 21 is hinged to the support rod 2, the end of the hinge rod 21 is connected with a connecting ring 22, the hinge rod 21 comprises two parts connected with the connecting ring 22 and the support rod 2, and the two parts are connected through screws. The bottom of the supporting seat 1 is rotatably provided with a rotating rod 11, and the connecting ring 22 is sleeved on the rotating rod 11 and slides along the length direction of the rotating rod 11.
Referring to fig. 2, a projection 5 is formed on the top of the rotating table 4, a notch 51 is formed on the projection 5, a first laser pen 6 is rotatably mounted in the notch 51 through a rotating shaft 52, and the axis of the rotating shaft 52 is arranged along the horizontal direction. The axis of the rotating table 4 is arranged in the vertical direction and coincides with the axis of the rotating rod 11.
Referring to fig. 2, the base 3 is marked with a first angle scale 30 around the rotating table 4, and the first angle scale 30 is arranged in a circular array around the rotating center line of the rotating table 4. The shaping of 5 one sides of lug has the arc wall 53 with notch 51 intercommunication, and the centre of a circle of the arc wall 53 edge pitch arc falls on the axis of pivot 52, and one side fixedly connected with of laser pen 6 extends to the outside arc piece 54 of arc wall 53, and 5 outside portraits of lug have angle scale mark two 50, and angle scale mark two 50 use the axis of pivot 52 to be circular array and arrange as the center, all are connected with the pointer on arc piece 54 and the revolving stage 4. The base 3 is provided with a first driving part for driving the rotating table 4 to rotate, and the projection 5 is provided with a second driving part for driving the laser pen I6 to rotate. The rotated angle can be measured through the two pointers and the two angle scale marks, and the angle difference between the starting point and the end point is obtained.
Referring to fig. 2, the axis of the rotating rod 11 is perpendicular to and intersects with the axis of the rotating shaft 52, the axis of the rotating rod 11 intersects with the first laser pen 6, and a rotating handle is connected to the rotating rod 11. Two 12 laser pens are installed to the bottom of dwang 11, and the axis coincidence of two 12 laser pens and dwang 11, the perpendicular distance between the whereabouts department of two 12 laser pens and the wall body edge is exactly the distance of dwang 11 axis to wall body.
Referring to fig. 2 and 3, the base 3 is installed on the supporting seat 1, an installation groove 13 is formed in the top of the supporting seat 1, a rotating rod 11 is installed at the bottom of the supporting seat 1 in a rotating mode, the top of the rotating rod 11 extends into the installation groove 13 and is connected with a first bevel gear 14, three installation blocks 16 are arranged in the installation groove 13, the installation blocks 16 are distributed in a circular array mode by taking the axis of the rotating rod 11 as the center, a bidirectional screw rod 17 is installed in the installation blocks 16 in a rotating mode, a second bevel gear 15 is arranged at one end, close to the first bevel gear 14, of the bidirectional screw rod. The bottom of the mounting groove 13 is provided with a first sliding block 18 and a second sliding block 19 in a sliding mode, the bidirectional screw rod 17 penetrates through the first sliding block 18 and the second sliding block 19, bidirectional threads on the bidirectional screw rod 17 are in threaded fit with the first sliding block 18 and the second sliding block 19 respectively, and the first sliding block 18 and the second sliding block 19 can be driven to be close to or far away from each other when the bidirectional screw rod 17 rotates.
Referring to fig. 3, the bottom of the base 3 is provided with an arc-shaped piece 41, and the arc-shaped piece 41 abuts against the first sliding block 18 and the inner wall of the mounting groove 13. The bottom of the base 3 is formed with a connecting column 42, the connecting column 42 coincides with the axis of the base 3, the top of the second sliding block 19 is provided with a positioning rod 191, and the connecting column 42 is provided with a clamping hole matched with the positioning rod 191. The arc piece 41 is provided with a guide block at one side far away from the connecting column 42, and a vertical guide groove 43 is formed on the side wall of the mounting groove 13.
Referring to fig. 3, through the above structure, the first sliding block 18 and the second sliding block 19 can be driven to approach and keep away from each other through the rotation of the rotating rod 11, when the first sliding block 18 and the second sliding block 19 are away from each other, the arc-shaped piece 41 is abutted tightly, and the positioning rod 191 and the connecting column 42 are matched with each other, so that the installation of the base 3 is realized, and the use is convenient. Compared with the traditional mode of installing and connecting by using screws, the sliding block is used for fixing the position by guiding the guide block, so that the situation of position deviation of the rotating table 4 is not easy to occur during installation, and effective measurement of data is facilitated.
Referring to fig. 4, a first empty groove 31 is formed in the base 3, a rotating shaft is rotatably mounted at the bottom of the rotating table 4, the bottom of the rotating shaft extends into the first empty groove 31, the rotating table 4 is rotatably connected with the base 3 through the rotating shaft, a first worm wheel 32 is fixedly connected to the bottom of the rotating shaft, a first driving piece comprises a first worm 33 rotatably mounted on the base 3, and the first worm 33 is meshed with a second worm wheel 55. The boss is formed with a second hollow groove 31, the rotating shaft 52 extends into the second hollow groove 31 and is connected with a second worm wheel 55, the second driving piece comprises a second worm 56 rotatably mounted on the boss, and the second worm 56 is meshed with the second worm wheel 55. The first worm 33 drives the first worm wheel 32 when rotating, and the second worm 56 drives the second worm wheel 55 when rotating. And the structure of worm gear has the effect of auto-lock, and the drive is comparatively stable.
Referring to fig. 5, two horizontal spring grooves 35 are formed in the base 3, the spring grooves 35 are located on two sides of the first worm 33 and are perpendicular to the first worm 33, a spring rod 36 is movably mounted in the spring grooves 35, the spring rod 36 slides along the length direction of the spring grooves 35, a return spring 37 is mounted in the spring grooves 35, two ends of the return spring 37 are respectively connected with the groove bottom of the spring grooves 35 and the end portion of the spring rod 36, an arc-shaped groove 53 is formed in one end, facing the first worm 33, of the spring rod 36, the spring rod 36 is provided with anti-skidding lines on the arc-shaped groove 53, a hole 38 communicated with the outside is formed in the top of the spring grooves 35 in the vertical direction along the length direction, a movable rod 7 is connected to the spring rod 36, and the movable rod 7 extends to the outside. The first worm 33 is effectively positioned through the structure of the spring rod 36, and rotation caused by mistaken touch is not easy to occur in the using and measuring processes. The movable rod 7 comprises a bottom rod 71 connected with the spring rod 36 and a top rod 72 hinged to the bottom rod 71, the rotation center line of the top rod 72 is parallel to the axis of the spring rod 36, a protrusion 34 is formed on the base 3, a clamping groove matched with the top rod 72 is formed in the protrusion 34, the protrusion 34 and the clamping groove are used, when the first worm 33 needs to rotate, the movable rod 7 is pulled and the top rod 72 is rotated, the clamping groove in the top rod 72 and the protrusion 34 are matched, the end portion of the spring rod 36 is not matched with the first worm 33 any more, and the first worm 33 can rotate conveniently.
In a second embodiment, a method for measuring and calculating an area of a pitched roof includes the following steps:
The angles from angle A to angle C can all be measured by the angle scale, x1And x0The length of the measuring tape can be measured by a measuring tape or a measuring tapeThe process is more convenient.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a device is calculated to slope roof area, includes supporting seat (1), sets up bracing piece (2) in supporting seat (1) bottom, installs base (3) at supporting seat (1) top, its characterized in that: the top of the base (3) is rotatably provided with a rotating platform (4), the rotating center line of the rotating platform (4) is the axis of the rotating platform (4) in the vertical direction, the top of the rotating platform (4) is provided with a convex block (5), a notch (51) is formed in the convex block (5), a first laser pen (6) is rotatably arranged in the notch (51) through a rotating shaft (52), and the axis of the rotating shaft (52) is arranged along the horizontal direction; angular scale lines I (30) are carved on the base (3) around the rotating table (4), and the angular scale lines I (30) are arranged in a circular array by taking the rotating center line of the rotating table (4) as the center; an arc-shaped groove (53) communicated with the notch (51) is formed in one side of the convex block (5), the circle center of an arc line at the edge of the arc-shaped groove (53) falls on the axis of the rotating shaft (52), an arc-shaped block (54) extending to the outside of the arc-shaped groove (53) is arranged on one side of the laser pen I (6), angle scale lines II (50) are carved on the outside of the convex block (5), the angle scale lines II (50) are arranged in a circular array by taking the axis of the rotating shaft (52) as the center, and pointers are arranged on the arc-shaped block (54) and the rotating table (4); a first driving part for driving the rotating table (4) to rotate is arranged on the base (3), and a second driving part for driving the laser pen (6) to rotate is arranged in the bump (5).
2. A pitched roof area measurement device according to claim 1, characterized in that: the supporting seat (1) is provided with a mounting groove (13), the bottom of the supporting seat (1) is rotatably provided with a rotating rod (11), the top of the rotating rod (11) extends into the mounting groove (13) and is connected with a first bevel gear (14), a plurality of mounting blocks (16) are arranged in the mounting groove (13), the mounting blocks (16) are distributed in a circular array by taking the axis of the rotating rod (11) as the center, a bidirectional screw rod (17) is rotatably mounted in the mounting blocks (16), one end, close to the first bevel gear (14), of the bidirectional screw rod (17) is provided with a second bevel gear (15), and the first bevel gear (14) is meshed with the second; a first sliding block (18) and a second sliding block (19) are slidably mounted at the bottom of the mounting groove (13), a bidirectional screw rod (17) penetrates through the first sliding block (18) and the second sliding block (19), and bidirectional threads on the bidirectional screw rod (17) are respectively in threaded fit with the first sliding block (18) and the second sliding block (19); the bottom of the base (3) is provided with an arc-shaped piece (41), and the arc-shaped piece (41) is abutted to the first sliding block (18) and the inner wall of the mounting groove (13); a connecting column (42) is arranged at the bottom of the base (3), the connecting column (42) is overlapped with the axis of the base (3), a positioning rod (191) is arranged at the top of the second sliding block (19), and a clamping hole matched with the positioning rod (191) is formed in the connecting column (42); one side of the arc-shaped sheet (41) far away from the connecting column (42) is provided with a guide block, and a vertical guide groove (43) is formed in the side wall of the mounting groove (13).
3. A pitched roof area measurement device according to claim 2, characterized in that: the axis of the rotating rod (11) is superposed with the axis of the rotating table (4), the axis of the rotating rod (11) is perpendicular to and intersected with the axis of the rotating shaft (52), and the axis of the rotating rod (11) is intersected with the axis of the first laser pen (6); the rotating rod (11) is provided with a rotating handle.
4. A pitched roof area measurement device according to claim 3, characterized in that: the top of the support rod (2) is hinged with the support seat (1), the support rod (2) is provided with three positions, the support rod (2) is hinged with hinge rods (21), one ends of the three hinge rods (21) close to each other are connected with connecting rings (22), and the outer sides of the connecting rings (22) are hinged with the end parts of the hinge rods (21); the connecting ring (22) is sleeved outside the rotating rod (11).
5. A pitched roof area measurement device according to claim 4, characterized in that: the bottom of the rotating rod (11) is provided with a second laser pen (12), and the second laser pen (12) and the axis of the rotating rod (11) coincide.
6. A pitched roof area measurement device according to claim 1, characterized in that: a first empty groove (31) is formed in the base (3), a rotating shaft is arranged at the bottom of the rotating platform (4), the bottom of the rotating shaft extends into the first empty groove (31), the rotating platform (4) is rotatably connected with the base (3) through the rotating shaft, a first worm wheel (32) is arranged at the bottom of the rotating shaft, the first driving piece comprises a first worm (33) rotatably installed on the base (3), and the first worm (33) is meshed with a second worm wheel (55); the boss is internally provided with a second empty groove (31), the rotating shaft (52) extends into the second empty groove (31) and is connected with a second worm wheel (55), the second driving piece comprises a second worm (56) rotatably installed on the boss, and the second worm (56) is meshed with the second worm wheel (55).
7. A pitched roof area measurement device according to claim 6, characterized in that: the anti-skidding type worm rack is characterized in that two spring grooves (35) are formed in the base (3), the spring grooves (35) are located on two sides of a first worm (33) and are perpendicular to the first worm (33) in arrangement, spring rods (36) are movably mounted in the spring grooves (35), the spring rods (36) slide along the length direction of the spring grooves (35), reset springs (37) are arranged in the spring grooves (35), two ends of each reset spring (37) are respectively connected with the bottom of each spring groove (35) and the end portion of each spring rod (36), one ends, facing the first worm (33), of the spring rods (36) are provided with arc-shaped grooves (53), anti-skidding grains are arranged on the arc-shaped grooves (53) of the spring rods (36), a hole (38) communicated with the outside is formed in the top of the vertical direction of each spring groove (35) along the length direction of the top of the spring grooves, each spring rod (36) is connected with a movable rod (7.
8. A pitched roof area measurement device according to claim 7, characterized in that: the movable rod (7) comprises a bottom rod (71) connected with the spring rod (36) and a top rod (72) hinged with the bottom rod (71), the rotating center line of the top rod (72) is parallel to the axis of the spring rod (36), a bulge (34) is formed on the base (3), and a clamping groove matched with the top rod (72) is formed in the bulge (34).
9. A measuring and calculating method of a pitched roof area measuring and calculating device is characterized by comprising the following steps: the method comprises the following steps:
step 1, fixing a supporting seat (1) by using a supporting rod (2), enabling the axis of a rotating table (4) to be flush with one side of the house in the width direction, and measuring the distance x between the axis of the rotating table (4) and the house wall1Measure and measureThe length of the whole pitched roof is x0Recording the height h from the axis of the rotating shaft (52) to the ground1Meanwhile, the first laser pen (6) is started to adjust the first laser pen (6) to be in a horizontal state;
step 2, using a driving part II to enable a laser pen I (6) to rotate, irradiating the laser pen I (6) on the edge of one side of the width direction of the pitched roof, and recording the angle change of the laser pen I (6) on an angle scale mark II (50) from the horizontal state to obtain an angle A;
step 3, keeping the angle of the first laser pen (6) unchanged, using the first driving piece to rotate the rotating table (4), irradiating the first laser pen (6) on the edge of the other side of the end part in the width direction of the inclined roof, and recording the angle change of the rotating table (4) on the first angle scale mark (30) to obtain an angle B;
step 4, the first laser pen (6) and the rotating platform (4) are rotated by using the first driving piece and the second driving piece, the first laser pen (6) is made to irradiate the top of the length direction of the roof, and the angle change of the first laser pen (6) on the angle scale line II (50) compared with the angle change of the horizontal state is recorded to obtain an angle C;
and 5, calculating, namely combining the measured data and a trigonometric function to obtain the vertical height h from the edge of the pitched roof to the axis of the rotating shaft (52)2Can pass through h2＝x1tan A, the overall width x of the roof2Can pass through x2＝(x1/cosA) tanB, vertical height h from top to edge of roof3Can pass through
Obtaining the width x of the left and right sides of the pitched roof3Can pass through
The areas S of the left and right sides of the pitched roof are x0x3The area of the pitched roof is 2 times of the product of the width and the length of the pitched roof, and the whole area of the pitched roof is 2S.
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