CN111692947A - Measuring device for building engineering project management - Google Patents
Measuring device for building engineering project management Download PDFInfo
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- CN111692947A CN111692947A CN202010604929.0A CN202010604929A CN111692947A CN 111692947 A CN111692947 A CN 111692947A CN 202010604929 A CN202010604929 A CN 202010604929A CN 111692947 A CN111692947 A CN 111692947A
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- support rod
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a measuring device for building engineering project management, which comprises a measuring tape seat, wherein one end of the measuring tape seat is provided with an edge groove, the middle bearing of the edge groove is connected with a first bearing shaft, the upper end of the first bearing shaft is movably connected with a rotating shaft, the upper end of the rotating shaft is fixedly connected with a first support rod, one end of the first support rod is provided with a second folding shaft, one end of the second folding shaft is fixedly connected with a second support rod, grooves are formed between the first support rod and the second support rod, a first sliding handle and a second sliding handle are respectively inserted in the outer part of the second folding shaft, and the inner side of the first sliding handle is fixedly connected with a single-sided groove rod. The measuring device for building engineering project management, provided by the invention, can realize folding and storage of the detection ruler, is convenient to carry, can realize circular planning, and is convenient for circular precision measurement.
Description
Technical Field
The invention relates to the field of detection rules, in particular to a measuring device for building engineering project management.
Background
The construction engineering is a general name of various buildings and engineering facilities which provide material and technical foundations for human life and production, in the construction of the construction engineering, the detection ruler for project management can measure the drawing scale in the construction engineering, so that the reasonable operation of project management in the later period is facilitated, the construction progress of constructors is facilitated to be improved, the integral construction quality is facilitated to be improved, the problem of dimension exceeding the standard is avoided, the accident of batch quality is caused due to the fact that the problem cannot be found in time, and the risk is caused to the safety problem of the whole building;
1) the existing detection for the construction project management cannot realize the folding and the storage of a detection ruler, is inconvenient to carry and use, cannot improve the use convenience when the construction project is used, does not have circular planning, and has limitation in use;
2) in daily use, the drawing cannot be used for circular precision measurement inconveniently, and the measuring device has no limiting effect, so that the measuring device for building engineering project management is provided.
Disclosure of Invention
The invention mainly aims to provide a novel dust removal device for an agricultural greenhouse, which mainly solves the following technical problems:
the technical problem to be solved by the invention is as follows: the folding and storage that can not realize detecting the chi, portable not, it is inconvenient to use, can not have the convenience that improves the use when engineering project uses, does not have to the circular shape planning, and the use has the limitation, in daily use, can not be not convenient for circular shape precision measurement to the drawing, does not have limiting displacement, provides a measuring device for building engineering project management.
In order to achieve the purpose, the invention adopts the technical scheme that:
a measuring device for building engineering project management comprises a measuring scale seat, wherein one end of the measuring scale seat is provided with an edge groove, a first bearing shaft is connected to a middle bearing of the edge groove, a rotating shaft is movably connected to the upper end of the first bearing shaft, a first support rod is fixedly connected to the upper end of the rotating shaft, a second folding shaft is arranged at one end of the first support rod, a second support rod is fixedly connected to one end of the second folding shaft, grooves are formed between the first support rod and the second support rod, a first sliding handle and a second sliding handle are respectively inserted in the outer portion of the second folding shaft, a single-face groove rod is fixedly connected to the inner side of the first sliding handle, an L-shaped rod is arranged on the inner side of the second sliding handle, the single-face groove rod is movably connected with the L-shaped rod, a rotating button is arranged on one side of the second support rod, and a rotating shaft is arranged at one end of the rotating button, the one end of pivot is provided with the gear, the inside fixedly connected with fixed block of No. two branches, the one end swing joint of fixed block has spacing slide bar, the one end of spacing slide bar is provided with rectangular groove, the one end of gear is provided with the stopper, the one end of No. two branches is provided with the sliding tray, the inside of sliding tray is provided with the rack, the rack is connected with gear engagement, the one end of rack is provided with the thimble.
Further, first slip handle all is in folding epaxial swing joint of No. two with the second slip handle, stopper and rectangular groove sliding connection, the one end fixedly connected with square of No. two branches, the spacing roof of one end fixedly connected with of square, the one end of spacing roof and the top swing joint of gear strip, the one end difference fixedly connected with protective block and the cylinder groove of No. two branches.
Furthermore, the outer portion of the ejector pin is inserted into the inner portion of the protection block, the outer portion of the ejector pin is inserted into the inner portion of the cylindrical groove, and the protection block is located between the sliding groove and the cylindrical groove.
Furthermore, one side of the first supporting rod is movably connected with a measuring tape shaft, and one end of the measuring tape shaft is fixedly connected with an angle limiting ruler.
Furthermore, the upper end of the second support rod is provided with a limiting round block, and an angle groove is formed in the angle limiting ruler.
Furthermore, the angle groove is movably connected with the limiting round block, and the rotating button is located at the lower end of the second supporting rod.
Furthermore, the maximum rotation angle of the rotating shaft is 360 degrees, and the maximum turning angle of the first bearing shaft is 180 degrees.
Furthermore, the maximum turning angle of the second folding shaft is 180 degrees, and the maximum included angle between the second supporting rod and the first supporting rod is 180 degrees.
A measuring device for building engineering project management is specifically used as follows:
the method comprises the following steps: the device is placed on a drawing paper to be surveyed or other used positions, when the original size of the measuring scale is not enough, the first support rod 15 and the second support rod 22 can be turned over through the first bearing shaft 14, the first support rod 15 and the second support rod 22 can extend the length of the measuring scale seat 23, the length of the measuring scale is doubled, when a circular mark is arranged on the drawing paper and is not matched with the existing size, a circular pattern needs to be planned again, the rotary button is rotated leftwards from the bottom end of the second support rod 22, the gear 11 on the edge of the rotary shaft is rotated anticlockwise, the gear strip 5 is driven to extend out towards the direction of the protective block 6 on the sliding groove 4, the thimble 8 at one end of the gear strip 5 extends out of the outer edge of the second support rod 22, after surveying and finishing, the rotary button is rotated rightwards, the gear 11 on the edge of the rotary shaft rotates clockwise, and then the gear strip 5 is driven to retract towards the direction of the limiting fixed block 9 on the sliding groove, the thimble 8 at one end of the gear rack 5 enters the second support rod 22, and the limit block 12 on the gear 11 slides in the long groove of the limit slide rod 10, so that the gear 11 can limit the telescopic length of the gear rack 5 conveniently;
step two: the thimble 8 is convenient for flexibly adjusting the length through the extension and retraction of the gear strip 5, the first sliding handle 16 and the second sliding handle 18 at the top ends of the first supporting rod 15 and the second supporting rod 22 are overlapped in a rotating way on the second folding shaft 17, the first sliding handle 16 and the second sliding handle 18 are mutually fixed by the single-side groove rod 19 and the L-shaped rod 20, the hand taking and placing are convenient, the first sliding handle 16 and the second sliding handle 18 are manually rotated, the second supporting rod 22 takes the first supporting rod 15 as the center of a circle, the rotating shaft 21 at the lower end of the first supporting rod 15 rotates, the measuring tape shaft 24 on the first supporting rod 15 rotates, the angle limiting tape 1 rotates above the second supporting rod 22, one group of a plurality of angle grooves at the lower end of the angle limiting tape 1 is matched with the limiting round block 25 at the upper end of the second supporting rod 22, the first supporting rod 15 and the second supporting rod 22 are fixed in radius, and the included angle between the first supporting rod 15 and the second supporting rod 22 is controlled conveniently.
Compared with the prior art, the measuring device for building engineering project management of the invention adopts the thimble arranged at the bottom end of the second support rod, can realize the round planning, rotates the rotary button leftwards to enable the gear at the side of the rotary shaft to rotate anticlockwise, further drives the gear strip to extend out towards the direction of the protective block on the sliding groove, enables the thimble at one end of the gear strip to extend out of the outer edge of the second support rod, is convenient for the roundness planning of a measuring drawing, improves the accuracy, rotates the rotary button rightwards after the surveying and mapping are finished, rotates the gear at the side of the rotary shaft clockwise, further drives the gear strip to retract towards the direction of the limiting fixed block on the sliding groove, enables the thimble at one end of the gear strip to enter the interior of the second support rod, is flexible to use, has a limiting block on the gear, a limiting block slides in the long groove of the limiting slide rod, is convenient for the gear to limit the telescopic length of the gear strip, has the protective effect on the positioning of the thimble, the use diversity of the measuring scale is realized;
the angle limiting ruler is arranged, so that circular precision measurement is facilitated, a limiting effect is achieved, the angle limiting ruler is flush with the first supporting rod, the angle limiting ruler is rotated on the measuring ruler shaft, one group of a plurality of angle grooves in the lower end of the angle limiting ruler is matched with the limiting round block in the upper end of the second supporting rod, the radius of the first supporting rod and the radius of the second supporting rod are convenient to fix, and the problem that the included angle between the first supporting rod and the second supporting rod is too large or too small, the accuracy of later-stage measurement is influenced, and further the construction quality of a building engineering project is influenced is avoided;
through single face recess pole and the L type pole that sets up, can be convenient for measure taking of compasses, be convenient for to the design of construction drawing, single face recess pole and L type pole rotate the coincidence on No. two folding axes through first slip handle and second slip handle, single face recess pole and L type pole make first slip handle and second slip handle reciprocal anchorage, be convenient for hand take and put, first slip handle of manual rotation and second slip handle, make No. two branch use a branch as the centre of a circle, rotatory through the rotation axis of a branch lower extreme, be convenient for circular planning's use.
Through setting up a bearing axle, can realize detecting folding and accomodating of chi, with branch and No. two branches through the upset of a bearing axle, the length that a branch and No. two branches can the extension measuring tape seat makes the length of dipperstick increase by one time, increases the overall length that detects the chi, portable, nimble operation makes things convenient for constructor's use.
Drawings
Fig. 1 is a schematic view of the overall structure of a measuring device for managing a construction project according to the present invention.
Fig. 2 is an enlarged view of a rack of a measuring apparatus for managing a construction project according to the present invention.
Fig. 3 is an enlarged view of a measuring device for managing a construction project according to the present invention.
Fig. 4 is a side view showing the use of the thimble of the measuring device for managing the construction project according to the present invention.
Fig. 5 is an enlarged view of an angle gauge of a measuring device for managing a construction project according to the present invention.
In the figure: 1. an angle limiting ruler; 2. a square block; 3. a limiting top plate; 4. a sliding groove; 5. a gear rack; 6. a protection block; 7. a cylindrical groove; 8. a thimble; 9. a fixed block; 10. a limiting slide bar; 11. a gear; 12. a limiting block; 13. an edge groove; 14. a first bearing shaft; 15. a first strut; 16. a first sliding handle; 17. a second folding shaft; 18. a second sliding handle; 19. a single-sided grooved rod; 20. an L-shaped rod; 21. a rotating shaft; 22. a second strut; 23. a measuring tape base; 24. a measuring tape shaft; 25. and a limiting round block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention
Example 1
As shown in fig. 1-5, a measuring device for building engineering project management comprises a measuring scale base (23), one end of the measuring scale base (23) is provided with an edge groove (13), the middle bearing of the edge groove (13) is connected with a first bearing shaft (14), the upper end of the first bearing shaft (14) is movably connected with a rotating shaft (21), the upper end of the rotating shaft (21) is fixedly connected with a first support rod (15), one end of the first support rod (15) is provided with a second folding shaft (17), one end of the second folding shaft (17) is fixedly connected with a second support rod (22), grooves are respectively formed between the first support rod (15) and the second support rod (22), the outer part of the second folding shaft (17) is respectively inserted with a first sliding handle (16) and a second sliding handle (18), the inner side of the first sliding handle (16) is fixedly connected with a single-sided groove rod (20), the inner side of the second sliding handle (18) is provided with an L-shaped rod (20), single face recess pole (20) and L type pole (20) swing joint, one side of No. two branch (22) is provided with the knob, the one end of knob is provided with the pivot, the one end of pivot is provided with gear (11), the inside fixedly connected with fixed block (9) of No. two branch (22), the one end swing joint of fixed block (9) has limit slide bar (10), the one end of limit slide bar (10) is provided with rectangular groove, the one end of gear (11) is provided with stopper (12), the one end of No. two branch (22) is provided with sliding tray (4), the inside of sliding tray (4) is provided with rack (5), rack (5) and gear (11) meshing are connected, the one end of rack (5) is provided with thimble (8), thimble (8) are convenient for plan the limited circle, be convenient for improve the precision.
First slip handle (16) and second slip handle (18) are all swing joint on folding axle (17) No. two, stopper (12) and rectangular groove sliding connection, the one end fixedly connected with square of No. two branch (22), the spacing roof of one end fixedly connected with (3) of square 2, the one end of spacing roof (3) and the top swing joint of rack (5), the one end difference fixedly connected with protective block (6) and cylinder groove (7) of No. two branch (22), protective block (6) and cylinder groove 7 have the spacing fixed action to thimble (8), normal use for thimble (8) provides the assurance.
The outside interlude of thimble (8) is in the inside of protection piece 6, and the outside interlude of thimble (8) is in the inside of cylinder groove (7), and protection piece (6) are located between sliding tray (4) and cylinder groove (7), and protection piece (6) are convenient for support thimble (8), prolong the life of thimble (8).
By adopting the technical scheme: the single-sided groove rod (20) and the L-shaped rod (20) are arranged, the compasses can be conveniently taken and measured, the construction drawing can be conveniently sampled, the single-sided groove rod (20) and the L-shaped rod (20) are rotationally overlapped on the second folding shaft (17) through the first sliding handle (16) and the second sliding handle (18), the first sliding handle (16) and the second sliding handle (18) are mutually fixed through the single-sided groove rod (20) and the L-shaped rod (20), the hands can be conveniently taken and placed, the first sliding handle (16) and the second sliding handle (18) are manually rotated, the second supporting rod (22) takes the first supporting rod (15) as the circle center, the rotating shaft (21) at the lower end of the first supporting rod (15) rotates, the circular planning convenient operation is realized, the time for taking the compasses back and forth is saved, workers can conveniently use a measuring ruler and the compasses respectively according to the reality at any time, and a thimble (8) arranged at the bottom end of the second supporting rod (22), can realize the round planning, rotate the knob to the left, make the gear (11) of the edge of rotating shaft rotate counterclockwise, and then drive the rack (5) to stretch out to the direction of the guard block (6) on the sliding tray (4), make the thimble (8) of one end of the rack (5) stretch out to the outer rim of the second pole support (22), facilitate the roundness planning to the measuring drawing, improve the precision, survey and drawing is finished, rotate the knob to the right, the gear (11) of the edge of rotating shaft rotates clockwise, and then drive the rack (5) to retract to the direction of the spacing fixed block (9) on the sliding tray (4), make the thimble (8) of one end of the rack (5) enter the inside of the second pole support (22), flexible use, it is comparatively simple to use, there is a spacing block (12) on the gear (11), the spacing block (12) slides in the rectangular trough of the spacing slide bar (10), it is convenient for the gear (11) to limit the flexible length of the rack (5), the thimble (8) location has the guard action, makes the dipperstick not only can measure length can also plan to the circle, has realized the use variety of dipperstick.
Example 2
As shown in fig. 1-5, a measuring device for construction engineering project management, including the measuring tape seat (23), the one end of measuring tape seat (23) is seted up marginal groove (13), the intermediate bearing of marginal groove (13) is connected with bearing axle (14) No. one, the upper end swing joint of bearing axle (14) has rotation axis (21), the upper end fixedly connected with branch (15) of rotation axis (21), the one end of branch (15) is provided with folding axle (17) No. two, the one end fixedly connected with branch (22) of folding axle (17) No. two, folding axle (17) No. two is convenient for the angle modulation of branch (22) No. two to more be favorable to the use of compasses.
By adopting the technical scheme: set up bearing axle (14) No. one, can realize detecting folding and accomodating of chi, with branch (15) and No. two branch (22) through a bearing axle (14) upset, the length that branch (15) and No. two branch (22) can prolong measuring tape seat (23), make the length of dipperstick increase one time, the increase detects the overall length of chi, and convenient to carry, flexible operation makes things convenient for constructor's use, improves rotation angle's accuracy nature, alleviates operating personnel's working strength.
Example 3
As shown in fig. 1-5, a measuring device for building engineering project management, including the measuring tape seat (23), the one end of measuring tape seat (23) is seted up marginal groove (13), the intermediate bearing of marginal groove (13) is connected with bearing axle (14) No. one, the upper end swing joint of bearing axle (14) has rotation axis (21), the upper end fixedly connected with branch (15) of rotation axis (21), one side swing joint of branch (15) has measuring tape axle (24), the one end fixedly connected with angle limit chi (1) of measuring tape axle 24, be convenient for to the spacing of compasses, make things convenient for the adjustment of angle, it is more convenient to use.
The angle groove is movably connected with the limiting round block (25), and the rotating button is positioned at the lower end of the second supporting rod (22).
The maximum rotation angle of the rotating shaft (21) is 360 degrees, and the maximum overturning angle of the first bearing shaft (14) is 180 degrees, so that the angle can be conveniently adjusted.
The maximum turning angle of the second folding shaft (17) is 180 degrees, and the maximum included angle between the second supporting rod (22) and the first supporting rod (15) is 180 degrees.
By adopting the technical scheme: angle spacing chi (1) of setting, be convenient for circular shape precision measurement, limiting displacement has, angle spacing chi (1) and branch (15) keep level, rotate angle spacing chi (1) on measuring tape axle (24), with a plurality of angular groove of angle spacing chi (1) lower extreme wherein a set of with No. two spacing round block (25) of branch (22) upper end agree with each other, be convenient for branch (15) and No. two radial fixed of branch (22), be convenient for measure, the contained angle of having avoided between No. one branch (15) No. two branch (22) is too big or the undersize, influence later stage measuring precision, and then influence the construction quality of building engineering project, detection efficiency is improved, satisfy the requirement of length measurement and circularity planning, measuring accuracy has been improved, the measuring work load has been reduced.
A measuring device for building engineering project management is specifically used as follows:
the method comprises the following steps: the device is placed on a drawing paper to be surveyed or other used positions, when the original size of the measuring scale is not enough, a first support rod (15) and a second support rod (22) can be turned over through a first bearing shaft (14), the first support rod (15) and the second support rod (22) can extend the length of a measuring scale seat (23), so that the length of the measuring scale is doubled, when a circular mark is arranged on the drawing paper, but the circular mark is not matched with the existing size, a circular pattern needs to be planned again, a rotary button is rotated to the left from the bottom end of the second support rod (22), a gear (11) on the edge of a rotating shaft is rotated anticlockwise, the gear strip (5) is driven to extend out towards a protective block (6) on a sliding groove (4), a thimble (8) at one end of the gear strip (5) extends out of an outer edge of the second support rod (22), after the surveying is finished, the rotary button is rotated to the right, the gear (11) on the edge of the rotating shaft rotates clockwise, then the gear bar (5) is driven to retract towards the limiting fixed block (9) on the sliding groove (4), so that the thimble (8) at one end of the gear bar (5) enters the inside of the second support rod (22), and the limiting block (12) on the gear (11) slides in the long groove of the limiting sliding rod (10), so that the gear (11) is convenient to limit the telescopic length of the gear bar (5);
step two: the thimble (8) is convenient for flexibly adjusting the length through the extension and retraction of the gear rack (5), the first sliding handle (16) and the second sliding handle (18) at the top ends of the first supporting rod (15) and the second supporting rod (22) are overlapped on the second folding shaft (17) in a rotating way, the first sliding handle (16) and the second sliding handle (18) are fixed with each other through the single-sided groove rod (20) and the L-shaped rod (20) so as to be convenient for taking and putting hands, the first sliding handle (16) and the second sliding handle (18) are rotated manually, the second supporting rod (22) takes the first supporting rod (15) as the center of a circle, the measuring tape shaft (24) on the first supporting rod (15) is rotated through the rotating shaft (21) at the lower end of the first supporting rod (15), the angle limiting tape (1) is rotated towards the upper part of the second supporting rod (22), one group of a plurality of angle grooves at the lower end of the angle limiting tape (1) is mutually matched with the limiting circular block (25) of the second supporting rod (22), the radius of the first supporting rod (15) and the second supporting rod (22) can be conveniently fixed, and the included angle between the first supporting rod (15) and the second supporting rod (22) can be conveniently controlled.
It should be noted that, the invention is a measuring device for building engineering project management, when in use, the device is placed on a drawing to be mapped or other used positions, when the drawing paper is too large, the current length of the measuring scale can not meet the requirement, a first support rod (15) and a second support rod (22) can be turned over through a first bearing shaft (14), the first support rod (15) and the second support rod (22) can extend the length of a measuring scale seat (23), the length of the measuring scale is doubled, the device is beneficial to adapting to drawings with different sizes, the problem of insufficient measurement of the length is avoided, when the drawings are provided with circular marks, detailed description of the interior needs to be shown in an extra mode, the understanding of workers on construction is facilitated, a circular pattern needs to be planned again, as shown in fig. 3, a rotary button is rotated from the bottom end of the second support rod (22) to the left, so that a gear (11) at the side of a rotary shaft rotates anticlockwise, and then the gear rack (5) is driven to extend out towards the direction of the protective block (6) on the sliding groove (4), so that the thimble (8) at one end of the gear rack (5) extends out of the outer edge opening of the second support rod (22), and the thimble is positioned outside the second support rod (22).
Survey and drawing finishes, rotate the knob right, gear (11) clockwise rotation on pivot limit, and then drive rack (5) on sliding tray (4) and retract to spacing fixed block (9) direction, make thimble (8) of rack (5) one end get into the inside of No. two branch (22), stopper (12) on gear (11) slide in the rectangular inslot of spacing slide bar (10), be convenient for gear (11) limit the flexible length of rack (5), the thimble retracts the inside of thimble (8), convenient storage, other people have been avoided the accidental injury.
The thimble (8) is convenient to flexibly adjust the length through the extension and retraction of the gear rack (5), the first sliding handle (16) and the second sliding handle (18) at the top ends of the first supporting rod (15) and the second supporting rod (22) are overlapped on the second folding shaft (17) in a rotating way, the first sliding handle (16) and the second sliding handle (18) are fixed with each other through the single-sided groove rod (19) and the L-shaped rod (20) so as to be convenient for taking and putting hands, the first sliding handle (16) and the second sliding handle (18) are rotated manually, the second supporting rod (22) takes the first supporting rod (15) as the center of a circle, the measuring tape shaft (24) on the first supporting rod (15) is rotated through the rotating shaft (21) at the lower end of the first supporting rod (15), the angle limiting tape (1) is rotated towards the upper part of the second supporting rod (22), and one group of a plurality of angle grooves at the lower end of the angle limiting tape (1) is mutually engaged with the limiting circular block (25) of the second supporting rod (22), be convenient for first branch (15) and No. two branch (22) radial fixed, be convenient for control the contained angle between a branch (15) and No. two branch (22), gear rack (5) are located gear (2) lower extreme, and sliding tray (4) protect gear rack (4) and stretch out and draw back along the bottom of No. two branch (22).
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a measuring device for building engineering project management, includes the measuring tape seat, its characterized in that: an edge groove is formed in one end of the measuring tape seat, a first bearing shaft is connected to a middle bearing of the edge groove, a rotating shaft is movably connected to the upper end of the first bearing shaft, a first support rod is fixedly connected to the upper end of the rotating shaft, a second folding shaft is arranged at one end of the first support rod, a second support rod is fixedly connected to one end of the second folding shaft, grooves are formed between the first support rod and the second support rod, a first sliding handle and a second sliding handle are respectively inserted into the outer portion of the second folding shaft, a single-face groove rod is fixedly connected to the inner side of the first sliding handle, an L-shaped rod is arranged on the inner side of the second sliding handle and movably connected with the L-shaped rod, a rotating button is arranged on one side of the second support rod, a rotating shaft is arranged at one end of the rotating button, a gear is arranged at one end of the rotating shaft, and a fixing block is fixedly connected to the inner portion of the second support, the one end swing joint of fixed block has spacing slide bar, the one end of spacing slide bar is provided with rectangular groove, the one end of gear is provided with the stopper, the one end of No. two branches is provided with the sliding tray, the inside of sliding tray is provided with the rack, the rack is connected with gear engagement, the one end of rack is provided with the thimble.
2. The measuring apparatus for managing the construction engineering project according to claim 1, wherein: first slip handle and second slip handle all are in folding epaxial swing joint No. two, stopper and rectangular groove sliding connection, the one end fixedly connected with square of No. two branches, the spacing roof of the one end fixedly connected with of square, the one end of spacing roof and the top swing joint of gear rack, the one end difference fixedly connected with protective block and the cylinder groove of No. two branches.
3. The measuring apparatus for managing the construction engineering project according to claim 2, wherein: the outer portion of the ejector pin is inserted into the inner portion of the protection block in a penetrating mode, the outer portion of the ejector pin is inserted into the inner portion of the cylindrical groove in a penetrating mode, and the protection block is located between the sliding groove and the cylindrical groove.
4. The measuring apparatus for managing the construction engineering project according to claim 1, wherein: one side of the first supporting rod is movably connected with a measuring tape shaft, and one end of the measuring tape shaft is fixedly connected with an angle limiting ruler.
5. The measuring apparatus for managing the construction engineering project according to claim 4, wherein: the upper end of the second supporting rod is provided with a limiting round block, and an angle groove is formed in the angle limiting ruler.
6. The measuring apparatus for managing the construction engineering project according to claim 5, wherein: the angle groove is movably connected with the limiting round block, and the rotating button is located at the lower end of the second supporting rod.
7. The measuring apparatus for managing the construction engineering project according to claim 1, wherein: the maximum rotation angle of the rotating shaft is 360 degrees, and the maximum turning angle of the first bearing shaft is 180 degrees.
8. The measuring apparatus for managing the construction engineering project according to claim 1, wherein: the maximum overturning angle of the second folding shaft is 180 degrees, and the maximum included angle between the second supporting rod and the first supporting rod is 180 degrees.
9. A measuring apparatus for construction engineering project management according to claims 1 to 8, wherein: the specific use steps are as follows:
the method comprises the following steps: the device is placed on a drawing paper to be surveyed or other used positions, when the original size of the measuring scale is not enough, a first support rod and a second support rod can be turned over through a first bearing shaft, the length of a measuring scale seat can be prolonged through the first support rod and the second support rod, the length of the measuring scale is doubled, when a round mark is arranged on the drawing paper, a reference scheme needs to be drawn, a rotary button is rotated leftwards from the bottom end of the second support rod, a gear on the edge of a rotary shaft is rotated anticlockwise, a gear strip is driven to extend out towards a protective block on a sliding groove, an ejector pin at one end of the gear strip extends out of an outer edge opening of the second support rod, after the surveying and the completion, the rotary button is rotated rightwards, the gear on the edge of the rotary shaft rotates clockwise, the gear strip is driven to retract towards a limiting fixed block on the sliding groove, the ejector pin at one end of the gear strip enters the inner part of the second support rod, a limiting block on, the gear can limit the telescopic length of the gear rack conveniently;
step two: the thimble passes through the flexible of rack, be convenient for adjust length in a flexible way, the first slip handle on a branch and No. two branch tops rotates the coincidence on No. two folding axes with the second slip handle, single face recess pole makes first slip handle and second slip handle reciprocal anchorage with L type pole, be convenient for hand take and put, manual rotatory first slip handle and second slip handle, make No. two branch use a branch as the centre of a circle, it is rotatory through the rotation axis of a branch lower extreme, the measuring tape axle on rotatory No. one branch, make the angle limiting ruler rotatory to No. two branch tops, agree with one set of a plurality of angle groove wherein of angle limiting ruler lower extreme and the spacing circle piece of No. two branch upper ends each other, be convenient for a branch and No. two branch radial fixed, be convenient for control the contained angle between a branch and No. two branch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010604929.0A CN111692947A (en) | 2020-06-29 | 2020-06-29 | Measuring device for building engineering project management |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010604929.0A CN111692947A (en) | 2020-06-29 | 2020-06-29 | Measuring device for building engineering project management |
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| CN111692947A true CN111692947A (en) | 2020-09-22 |
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| CN202010604929.0A Withdrawn CN111692947A (en) | 2020-06-29 | 2020-06-29 | Measuring device for building engineering project management |
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Application publication date: 20200922 |