阅读说明：本技术 便携式土木工程施工测量装置 (Portable civil engineering construction measuring device ) 是由 黄小红 姜笑波 于 2020-12-29 设计创作，主要内容包括：本发明公开了一种便携式土木工程施工测量装置,包括人工测量装置和电子测量装置,在水平仪一侧的测量尺外壁上设置卷尺机构,并在测量尺远离支脚一端的端口处两侧外壁上分别设置限位筒,利用限位筒卡合安装电子测量装置,根据不同场地的使用需求分别选择测量尺、布卷尺和测量仪进行工程测量,使用灵活方便,在安装座顶端的收纳槽两侧内壁间利用滑腔、滑块和连接杆的配合设置测量仪,并在安装座底部的水平刻度盘下端两侧设置L型卡件,通过L型卡件将测量仪旋转卡合固定于连接件的固定盘上端的弧形卡槽内,同时在固定盘的内腔利用活动板、第二弹簧和安装筒的配合对L型卡件夹紧固定,将L型卡件插进弧形卡槽旋转其角度后,测量仪即可完后固定。(The invention discloses a portable civil engineering construction measuring device, which comprises an artificial measuring device and an electronic measuring device, wherein a tape measure mechanism is arranged on the outer wall of a measuring scale at one side of a level gauge, limiting cylinders are respectively arranged on the outer walls at two sides of the port part of the measuring scale, which is far away from one end of a supporting leg, the electronic measuring device is clamped and installed by the limiting cylinders, the measuring scale, a cloth tape measure and a measuring instrument are respectively selected to carry out engineering measurement according to the use requirements of different fields, the use is flexible and convenient, the measuring instrument is arranged between the inner walls at two sides of a containing groove at the top end of an installation seat by matching of a sliding cavity, a sliding block and a connecting rod, L-shaped clamping pieces are arranged at two sides of the lower end of a horizontal dial at the bottom of the installation seat, the measuring instrument is rotationally clamped and fixed in an arc-shaped clamping groove at the upper end of, after the L-shaped clamping piece is inserted into the arc-shaped clamping groove and rotates by an angle, the measuring instrument can be fixed after the L-shaped clamping piece is inserted into the arc-shaped clamping groove.)

1. A portable civil engineering construction measuring device, includes artifical measuring device (1) and electron measuring device (2), and electron measuring device (2) set up the one end at artifical measuring device (1), its characterized in that: the manual measuring device (1) comprises a measuring ruler (11), scale marks (12), a gradienter (13), a tape measure mechanism (14), a mounting groove (15), support legs (16) and a limiting cylinder (17), wherein the scale marks (12) are arranged at the edge of the outer wall at one side of the measuring ruler (11), the gradienter (13) which is integrated with the middle part of the outer wall of the measuring ruler (11) at one side of the scale marks (12) is arranged at the middle part of the outer wall of the measuring ruler (11), the gradienter (13) and the scale marks (12) are adjacently arranged side by side, the tape measure mechanism (14) is fixedly connected on the side wall of the measuring ruler (11) adjacent to the gradienter (13), the mounting groove (15) is symmetrically arranged at the edge of the outer wall at two sides at one end of the measuring ruler (11), the support legs (16) are movably connected between the side walls of the mounting groove (15), an integrated structure is formed between the limiting cylinder (17) and the measuring scale (11), and the limiting cylinder (17) is movably connected with the electronic measuring device (2);

electronic measuring device (2) is including mount pad (21), horizontal dial (22), L type fastener (23), connecting piece (24), accomodate groove (25) and measuring apparatu (26), the lower extreme of mount pad (21) is through vertical shaft swing joint have horizontal dial (22), lower extreme both sides border department of horizontal dial (22) is fixedly connected with L type fastener (23) respectively, L type fastener (23) block respectively extends to the inside of connecting piece (24), and mount pad (21) are fixed in inside the port of dipperstick (11) and spacing section of thick bamboo (17) homonymy through connecting piece (24) block, accomodate groove (25) and set up in mount pad (21) and keep away from the one end of connecting piece (24), and be provided with measuring apparatu (26) between the lateral wall of accomodating groove (25).

2. A portable civil engineering construction measuring device as claimed in claim 1, wherein: the tape mechanism (14) comprises a reel shell (141), a connecting block (142), a rotating shaft (143), a cloth tape (144), a winding channel (145) and a rocking handle (146), wherein the connecting block (142) is arranged on the outer wall of one side of the reel shell (141), the connecting block (142) and the reel shell (141) are of an integrated structure, the reel shell (141) is fixedly connected to the outer wall of one side of the measuring scale (11) through the connecting block (142) and is arranged adjacent to the gradienter (13) side by side, the rotating shaft (143) is arranged in the middle of the outer wall of one side of the reel shell (141), one end of the rotating shaft (143) extends to the inside of the reel shell (141), the cloth tape (144) is wound on the outer wall of the rotating shaft (143) in the inside of the reel shell (141), and the other end of the cloth tape (144) extends to the outside of the reel shell through the, one end of the rocking handle (146) is movably connected with the tail end of the rotating shaft (143) through a pin shaft.

3. A portable civil engineering construction measuring device as claimed in claim 2, wherein: limiting grooves (147) are symmetrically formed in the outer walls of the two sides of the rotating shaft (143) outside the reel shell (141), the bottoms of the limiting grooves (147) are fixedly connected with first springs (148) respectively, the top ends of the first springs (148) are fixedly connected with the bottoms of the convex blocks on the inner walls of the two sides of the sleeve (149) respectively, and the sleeve (149) is movably sleeved on the outer wall of the rotating shaft (143) outside the reel shell (141) through the convex blocks on the inner walls of the two sides in a clamping mode.

4. A portable civil engineering construction measuring device as claimed in claim 2, wherein: the outer wall of one side of the winding channel (145) is provided with a sliding groove (1410), the sliding groove (1410) is communicated with the winding channel (145), a moving block (1411) is clamped between the inner walls of the sliding groove (1410), the outer wall of one side, close to the port of the sliding groove (1410), of the moving block (1411) is provided with a support (1412), the other end of the support (1412) extends to the interior of the winding channel (145) through the sliding groove (1410), a press roller (1413) is arranged between the side walls of the support (1412), and the press roller (1413) is parallel to the port of the winding channel (145).

5. A portable civil engineering construction measuring device as claimed in claim 1, wherein: one end of the supporting leg (16) is movably connected between the inner walls of the edge of the port of the mounting groove (15) through a pin shaft, the supporting leg (16) is in contact with the inner wall of the mounting groove (15), an integrated metal rod (18) is arranged on the side wall of the movable end of the supporting leg (16), integrated pull rings (19) are respectively arranged on the outer wall of one side, close to the supporting leg (16), and the pull rings (19) are arranged in a staggered mode.

6. A portable civil engineering construction measuring device as claimed in claim 1, wherein: the connecting piece (24) comprises a fixed disc (241), arc-shaped clamping grooves (242), end heads (243), inserting cylinders (244), inserting plates (245), limiting blocks (246) and protrusions (247), the fixed disc (241) is of a hollow structure, the arc-shaped clamping grooves (242) are symmetrically formed in two sides of the top end of the fixed disc (241), the L-shaped clamping pieces (23) are clamped and fixed by the arc-shaped clamping grooves (242) to fix the mounting seat (21), the bottom of the fixed disc (241) is provided with the integrated end heads (243), the lower ends of the end heads (243) are fixedly connected with the inserting cylinders (244), the edges of two sides of the bottom of the inserting cylinders (244) are respectively and fixedly connected with the inserting plates (245), the integral limiting blocks (246) are arranged on the outer wall, back to back, of the inserting plates (245) close to the bottom of the inserting plates (245), the protrusions (247) are respectively arranged on the side walls of the, the inserting cylinder (244) and the inserting plate (245) are sleeved inside the port of the measuring scale (11) on the same side of the limiting cylinder (17).

7. A portable civil engineering construction measuring device as claimed in claim 6, wherein: a movable plate (248) is movably clamped and fixed between the inner walls of the fixed disc (241), the top end of the movable plate (248) is used for bearing the L-shaped clamping piece (23), an integrated movable column (249) is arranged in the middle of the lower end of the movable plate (248), the tail end of the movable column (249) sequentially passes through a head (243) and an insertion cylinder (244) and extends to the outside of the movable plate, a tail end of the movable column (249) is attached to a protrusion (247), the movable column (249) extrudes the protrusion (247) to push a limiting block (246) to be clamped and fixed inside a limiting cylinder (17) on the outer walls of two sides of the port of the measuring scale (11), the lower ends of the movable plates (248) on two sides of the movable column (249) are respectively and fixedly connected with second springs (2410), and the lower ends of the second springs (2410) are.

8. A portable civil engineering construction measuring device as claimed in claim 1, wherein: it has seted up smooth chamber (27) respectively on the both sides inner wall of accomodating groove (25), the inside movable clamping respectively of smooth chamber (27) has slider (28), slider (28) are close to respectively fixedly connected with connecting rod (29) on the one side outer wall of smooth chamber (27) port, the one end that slider (28) were kept away from in connecting rod (29) is movable respectively and is cup jointed inside the solid fixed cylinder on measuring apparatu (26) both sides outer wall, measuring apparatu (26) are accomodate in accomodating inside groove (25) through connecting rod (29) rotation, and can the rotation regulation block be fixed in and accomodate groove (25) port border upper end.

Technical Field

The invention relates to the technical field of measuring equipment, in particular to a portable civil engineering construction measuring device.

Background

Civil engineering refers to the general term of science and technology for building various land engineering facilities, and refers to both the applied materials and equipment and the technical activities of surveying, designing, constructing, maintaining, repairing, etc. and the objects of engineering construction, i.e. the various engineering facilities which are built on the ground or underground or on land and directly or indirectly serve human life, production, military and scientific research, such as houses, roads, railways, pipelines, tunnels, water supply and drainage, protection engineering, etc.

The level bar is a measuring instrument which directly displays angular displacement by a level bubble by utilizing the principle of liquid level and measures the deviation degree of a measured surface relative to a horizontal position, a vertical position and an inclined position. However, the existing level ruler has a single structure, is only suitable for small-range building measurement, and cannot meet the requirement of large-area measurement, and a level ruler with a sufficient length can be used for wide-range engineering measurement, but is inconvenient to carry because the length of the level ruler is too long.

Therefore, we propose a portable civil engineering construction survey device.

Disclosure of Invention

The invention aims to provide a portable civil engineering construction measuring device, wherein a tape mechanism is arranged on the outer wall of a measuring ruler at one side of a level gauge, limiting cylinders are respectively arranged on the outer walls at two sides of the port part of the measuring ruler, which is far away from one end of a supporting leg, an electronic measuring device is clamped and installed by utilizing the limiting cylinders, and the measuring ruler, the tape mechanism and a measuring instrument are respectively selected to carry out engineering measurement according to the use requirements of different fields, so that the problems in the background are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a portable civil engineering construction measuring device comprises an artificial measuring device and an electronic measuring device, wherein the electronic measuring device is arranged at one end of the artificial measuring device, the artificial measuring device comprises a measuring ruler, scale marks, a gradienter, a measuring tape mechanism, a mounting groove, a support leg and a limiting cylinder, the scale marks are arranged at the edge of the outer wall at one side of the measuring ruler, the integrated gradienter is arranged at the middle part of the outer wall of the measuring ruler at one side of the scale marks, the gradienter and the scale marks are adjacently arranged side by side, and the side wall of the measuring ruler adjacent to the gradienter is fixedly connected with a measuring tape mechanism, the mounting grooves are symmetrically arranged at the edges of the outer walls at two sides of one end of the measuring ruler, and the side walls of the mounting groove are movably connected with supporting legs through pin shafts, the limiting cylinders are respectively and symmetrically arranged on the outer walls of two sides of the port of the measuring scale far away from one end of the supporting legs, an integrated structure is formed between the limiting cylinder and the measuring scale, and the limiting cylinder is movably connected with the electronic measuring device;

the electronic measuring device comprises a mounting seat, a horizontal dial, L-shaped clamping pieces, a connecting piece, a containing groove and a measuring instrument, wherein the lower end of the mounting seat is movably connected with the horizontal dial through a vertical shaft, the edge parts of the two sides of the lower end of the horizontal dial are respectively and fixedly connected with the L-shaped clamping pieces, the L-shaped clamping pieces are respectively clamped and extended to the inside of the connecting piece, the mounting seat is fixed inside a port of the measuring scale and the limiting cylinder at the same side through the clamping of the connecting piece, the containing groove is arranged at one end, far away from the connecting piece, of the mounting seat, and.

Further, the tape measure mechanism includes the reel casing, the connecting block, the apparatus further comprises a rotating shaft, the cloth tape measure, rolling channel and rocking handle, be provided with the connecting block on one side outer wall of reel casing, formula structure as an organic whole between connecting block and reel casing, the reel casing passes through connecting block fixed connection on dipperstick one side outer wall, and adjacent setting side by side with the spirit level, one side outer wall middle part department of reel casing is provided with the pivot, the one end of pivot extends to the inside of reel casing, and the winding is provided with the cloth tape measure on the inside pivot outer wall of reel casing, the rolling channel that the other end of cloth tape measure set up on through reel casing one side outer wall extends to its outside, the one end of rocking handle links to each other through.

Furthermore, limiting grooves are symmetrically formed in the outer walls of the two sides of the rotating shaft outside the reel shell respectively, the bottoms of the limiting grooves are fixedly connected with first springs respectively, the top ends of the first springs are fixedly connected with the bottoms of the lugs on the inner walls of the two sides of the sleeve respectively, and the sleeve is movably sleeved on the outer wall of the rotating shaft outside the reel shell through the lug clamping limiting grooves on the inner walls of the two sides.

Furthermore, a sliding groove is formed in the outer wall of one side of the winding channel, the sliding groove is communicated with the winding channel, a moving block is clamped between the inner walls of the sliding groove, a support is respectively arranged on the outer wall of one side, close to the port of the sliding groove, of the moving block, the other end of the support extends into the winding channel through the sliding groove, a compression roller is arranged between the side walls of the support, and the compression roller is parallel to the port of the winding channel.

Further, the one end of stabilizer blade is through round pin axle swing joint between the inner wall of mounting groove port border department, and the stabilizer blade contacts with the mounting groove inner wall, is provided with integrative metal pole on the expansion end lateral wall of stabilizer blade, and is provided with integrative pull ring on the one side outer wall that the stabilizer blade is close to mutually respectively, and the pull ring is crisscross the setting each other.

Further, the connecting piece includes the fixed disk, the arc draw-in groove, the end, insert a section of thick bamboo, the picture peg, stopper and arch, the fixed disk is hollow structure, and the top both sides of fixed disk symmetry respectively have seted up the arc draw-in groove, the fixed L type fastener of arc draw-in groove block is fixed the mount pad, the bottom of fixed disk is provided with integrative end, the lower extreme fixedly connected with of end inserts a section of thick bamboo, the bottom both sides border department of inserting a section of thick bamboo fixedly connected with picture peg respectively, the outer wall that carries on the back mutually of picture peg is close to bottom department and is provided with integrative stopper, be provided with the arch on the picture peg lateral wall that the stopper is relative respectively, the arch is arc columnar structure and with the picture peg between formula.

Further, activity block is fixed with the fly leaf between the inner wall of fixed disk, L type fastener is accepted on the fly leaf top, lower extreme middle part department of fly leaf is provided with integrative activity post, the end of activity post loops through the end and inserts a section of thick bamboo and extend to its outside, and the protruding setting of laminating of the end of activity post, activity post extrusion arch promotes inside the stopper block is fixed in the spacing section of thick bamboo on the outer wall of dipperstick port both sides, and the fly leaf lower extreme of activity post both sides is fixedly connected with second spring respectively, the lower extreme of second spring is fixed with the bottom plate upper end of fixed disk through the installation section of thick bamboo respectively and is.

Furthermore, sliding cavities are respectively formed in the inner walls of the two sides of the containing groove, a sliding block is movably clamped inside the sliding cavities respectively, a connecting rod is fixedly connected to the outer wall of one side, close to the port of the sliding cavity, of the sliding block respectively, one end, far away from the sliding block, of the connecting rod is movably sleeved inside a fixing cylinder on the outer walls of the two sides of the measuring instrument respectively, the measuring instrument is contained in the containing groove through the rotation of the connecting rod, and the clamping can be rotationally adjusted to be fixed to the upper end of the edge of the.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention provides a portable civil engineering construction measuring device, wherein a tape mechanism is arranged on the outer wall of a measuring scale on one side of a level gauge, limiting cylinders are respectively arranged on the outer walls of two sides of the end opening of the measuring scale far away from one end of a supporting leg, an electronic measuring device is clamped and installed by utilizing the limiting cylinders, the measuring scale, a cloth tape and a measuring instrument are respectively selected to carry out engineering measurement according to the use requirements of different places, the measuring scale is directly adopted to measure the levelness and the length in a small range, the measuring scale is further widely adopted to measure the levelness and the length of the cloth tape, the measuring instrument is directly adopted to measure the levelness and the length on the ground in a large range, and the use is flexible and convenient.

2. According to the portable civil engineering construction measuring device, the measuring instrument is arranged between the inner walls of the two sides of the accommodating groove at the top end of the mounting seat through the matching of the sliding cavity, the sliding block and the connecting rod, the L-shaped clamping pieces are arranged on the two sides of the lower end of the horizontal dial at the bottom of the mounting seat, the measuring instrument is rotationally clamped and fixed in the arc-shaped clamping groove at the upper end of the fixing disc of the connecting piece through the L-shaped clamping pieces, meanwhile, the L-shaped clamping pieces are clamped and fixed in the inner cavity of the fixing disc through the matching of the movable plate, the second spring and the mounting cylinder, and after the L-shaped clamping pieces are inserted into the arc-shaped.

3. According to the portable civil engineering construction measuring device provided by the invention, the fixed disc is provided with the bulges by utilizing the end to match the inserting cylinder, the inserting plate and the limiting block, the movable column is arranged at the middle part of the lower end of the movable plate, the tail end of the movable column sequentially passes through the end and the inserting cylinder to extend to the adjacent part of the bulges, the inserting cylinder and the inserting plate are inserted into the port at the side end of the measuring scale, the L-shaped clamping piece at the bottom of the measuring instrument is clamped in the arc-shaped clamping groove, the movable plate is extruded to push the movable column downwards to extrude the bulges, the limiting block on the outer wall of the inserting plate is pushed to be sleeved in the limiting cylinder on the outer wall at two sides of the port of the measuring scale, the measuring.

Drawings

Fig. 1 is a view showing a state in which the overall structure of a portable civil engineering construction measuring device of the present invention is folded;

fig. 2 is an overall structure expanded state diagram of a portable civil engineering construction survey device of the invention;

FIG. 3 is a schematic view showing the configuration of the tape measure mechanism of the portable civil engineering construction survey device of the present invention in configuration A;

FIG. 4 is a schematic view showing the B-form structure of the tape measure mechanism of the portable civil engineering construction survey device of the invention;

FIG. 5 is an enlarged view at A in FIG. 4 of a portable civil engineering construction measuring device of the present invention;

FIG. 6 is an exploded view of an electronic measuring device of a portable civil engineering construction measuring device of the invention;

FIG. 7 is a partial cross-sectional view of an electronic measuring device of a portable civil engineering construction measuring device of the invention;

FIG. 8 is a schematic perspective view of a connector of the portable civil engineering construction survey device of the present invention;

fig. 9 is a sectional view of a connector of a portable civil engineering construction measuring device of the invention.

In the figure: 1. a manual measuring device; 11. measuring a scale; 12. scale lines; 13. a level gauge; 14. a tape measure mechanism; 141. a reel case; 142 connecting blocks; 143. a rotating shaft; 144. a cloth tape; 145. a winding channel; 146. a rocking handle; 147. a limiting groove; 148. a first spring; 149. a sleeve; 1410. a chute; 1411. a moving block; 1412. a support; 1413. a compression roller; 15. mounting grooves; 16. a support leg; 17. a limiting cylinder; 18. a metal rod; 19. a pull ring; 2. an electronic measuring device; 21. a mounting seat; 22. a horizontal dial; 23. an L-shaped clamping piece; 24. a connecting member; 241. fixing the disc; 242. an arc-shaped clamping groove; 243. a tip; 244. inserting a cylinder; 245. inserting plates; 246. a limiting block; 247. a protrusion; 248. a movable plate; 249. a movable post; 2410. a second spring; 2411. mounting the cylinder; 25. a receiving groove; 26. a measuring instrument; 27. a slide chamber; 28. a slider; 29. a connecting rod.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a portable civil engineering construction measuring device comprises an artificial measuring device 1 and an electronic measuring device 2, wherein the electronic measuring device 2 is arranged at one end of the artificial measuring device 1, the artificial measuring device 1 comprises a measuring ruler 11, scale marks 12, a gradienter 13, a measuring tape mechanism 14, a mounting groove 15, a support leg 16 and a limiting cylinder 17, the scale marks 12 are arranged at the edge of the outer wall at one side of the measuring ruler 11, the gradienter 13 is arranged at the middle part of the outer wall of the measuring ruler 11 at one side of the scale marks 12, the gradienter 13 and the scale marks 12 are arranged side by side and adjacently, the measuring tape mechanism 14 is fixedly connected to the side wall of the measuring ruler 11 adjacent to the gradienter 13, the mounting groove 15 is symmetrically arranged at the edge of the outer wall at two sides at one end of the measuring ruler 11, the support leg 16 is movably connected between the side walls of the mounting groove 15 through a pin shaft, and constitute integral type structure between spacing section of thick bamboo 17 and dipperstick 11, the one end of stabilizer blade 16 is through round pin axle swing joint between the inner wall of mounting groove 15 port border department, and stabilizer blade 16 contacts with mounting groove 15 inner wall, is provided with integrative metal pole 18 on the expansion end lateral wall of stabilizer blade 16, and is provided with integrative pull ring 19 on the one side outer wall that stabilizer blade 16 is close to mutually respectively, and pull ring 19 sets up each other in a staggered manner, spacing section of thick bamboo 17 swing joint electron measuring device 2.

Referring to fig. 2, 6 and 7, a portable civil engineering construction measuring device, the electronic measuring device 2 includes an installation base 21, a horizontal dial 22, L-shaped fasteners 23, a connector 24, a containing groove 25 and a measuring instrument 26, the lower end of the installation base 21 is movably connected with the horizontal dial 22 through a vertical shaft, the two side edges of the lower end of the horizontal dial 22 are respectively and fixedly connected with the L-shaped fasteners 23, the L-shaped fasteners 23 are respectively clamped and extended to the inside of the connector 24, the installation base 21 is clamped and fixed in the port of the same side of the measuring scale 11 and the limiting cylinder 17 through the connector 24, the containing groove 25 is arranged at one end of the installation base 21 far away from the connector 24, the measuring instrument 26 is arranged between the side walls of the containing groove 25, the inner walls of the two sides of the containing groove 25 are respectively provided with a sliding cavity 27, the inside of the sliding cavity 27 is respectively and movably clamped with a sliding block 28, the outer wall of one side of the, one end of the connecting rod 29, which is far away from the sliding block 28, is movably sleeved inside the fixed cylinders on the outer walls of the two sides of the measuring instrument 26 respectively, the measuring instrument 26 is rotatably accommodated inside the accommodating groove 25 through the connecting rod 29, and can be rotatably adjusted and clamped at the upper end of the port edge of the accommodating groove 25.

Referring to fig. 2-5, a portable civil engineering construction survey device, the tape mechanism 14 includes a reel case 141, a connecting block 142, a rotation shaft 143, a cloth tape 144, a winding channel 145 and a rocking handle 146, the connecting block 142 is provided on the outer wall of one side of the reel case 141, the connecting block 142 and the reel case 141 are integrated, the reel case 141 is fixedly connected to the outer wall of one side of the survey ruler 11 through the connecting block 142, and is arranged adjacent to the level 13 side by side, a rotating shaft 143 is arranged at the middle part of the outer wall of one side of the reel housing 141, one end of the rotating shaft 143 extends to the inside of the reel housing 141, a cloth tape 144 is wound on the outer wall of the rotating shaft 143 in the reel case 141, the other end of the cloth tape 144 extends to the outside of the reel case through a winding channel 145 arranged on the outer wall of one side of the reel case 141, and one end of a rocking handle 146 is movably connected with the tail end of the rotating shaft 143 through a pin shaft; limiting grooves 147 are symmetrically formed in the outer walls of the two sides of the rotating shaft 143 outside the reel shell 141, the bottoms of the limiting grooves 147 are fixedly connected with first springs 148 respectively, the top ends of the first springs 148 are fixedly connected with the bottoms of the lugs on the inner walls of the two sides of the sleeve 149 respectively, and the sleeve 149 is movably sleeved on the outer wall of the rotating shaft 143 outside the reel shell 141 through the lug clamping limiting grooves 147 on the inner walls of the two sides; a sliding groove 1410 is formed in the outer wall of one side of the winding channel 145, the sliding groove 1410 is communicated with the winding channel 145, a moving block 1411 is clamped between the inner walls of the sliding groove 1410, supports 1412 are respectively arranged on the outer walls of the moving block 1411, which are close to the ports of the sliding groove 1410, the other ends of the supports 1412 extend into the winding channel 145 through the sliding groove 1410, press rollers 1413 are arranged between the side walls of the supports 1412, and the press rollers 1413 are arranged in parallel with the ports of the winding channel 145.

Referring to fig. 6, 8 and 9, a portable civil engineering construction survey device, the connecting member 24 includes a fixed plate 241, an arc-shaped slot 242, a head 243, an inserting cylinder 244, an inserting plate 245, a limiting block 246 and a protrusion 247, the fixed plate 241 is a hollow structure, arc-shaped clamping grooves 242 are symmetrically formed in two sides of the top end of the fixed disc 241 respectively, the arc-shaped clamping grooves 242 are used for clamping and fixing the L-shaped clamping piece 23 to fix the mounting seat 21, an integrated end 243 is arranged at the bottom of the fixed disc 241, an inserting cylinder 244 is fixedly connected to the lower end of the end 243, inserting plates 245 are fixedly connected to two side edges of the bottom of the inserting cylinder 244 respectively, an integrated limiting block 246 is arranged at the position, close to the bottom, of the outer wall, opposite to the inserting plate 245, of each inserting plate 245, protrusions 247 are arranged on the side wall, opposite to the limiting block 246, of each inserting plate 245, each protrusion 247 is of an arc-shaped columnar structure and is of an integrated structure with each; a movable plate 248 is movably clamped and fixed between the inner walls of the fixed disc 241, the top end of the movable plate 248 is used for receiving the L-shaped clamping piece 23, an integrated movable column 249 is arranged in the middle of the lower end of the movable plate 248, the tail end of the movable column 249 sequentially passes through the end 243 and the inserting tube 244 and extends to the outside of the movable column, the tail end of the movable column 249 is attached to the protrusion 247, the movable column 249 extrudes the protrusion 247 to push the limiting block 246 to be clamped and fixed inside the limiting tube 17 on the outer walls of the two sides of the port of the measuring scale 11, the lower ends of the movable plates 248 on the two sides of the movable column 249 are respectively and fixedly connected with a second spring 2410, and the.

In summary, the following steps: the invention provides a portable civil engineering construction measuring device, wherein a tape mechanism 14 is arranged on the outer wall of a measuring scale 11 on one side of a level instrument 13, limiting cylinders 17 are respectively arranged on the outer walls of two sides of the port part of the measuring scale 11 far away from one end of a supporting leg 16, an electronic measuring device 2 is clamped and installed by utilizing the limiting cylinders 17, the measuring scale 11, a cloth tape 144 and a measuring instrument 26 are respectively selected to carry out engineering measurement according to the use requirements of different fields, the measuring scale 11 is directly adopted in a small range to carry out levelness and length measurement, the measuring scale 11 is further widely adopted to measure levelness and the cloth tape 144 is further adopted to measure length, the measuring scale 11 is directly erected on the ground in a large range to carry out levelness and length measurement by adopting the measuring instrument 26, and the use; the measuring instrument 26 is arranged between the inner walls of the two sides of the accommodating groove 25 at the top end of the mounting seat 21 by matching of the sliding cavity 27, the sliding block 28 and the connecting rod 29, the L-shaped clamping pieces 23 are arranged on the two sides of the lower end of the horizontal dial 22 at the bottom of the mounting seat 21, the measuring instrument 26 is rotationally clamped and fixed in the arc-shaped clamping groove 242 at the upper end of the fixed disc 241 of the connecting piece 24 through the L-shaped clamping pieces 23, meanwhile, the L-shaped clamping pieces 23 are clamped and fixed in the inner cavity of the fixed disc 241 by matching of the movable plate 248, the second spring 2410 and the mounting tube 2411, and after the L-shaped clamping pieces 23 are inserted into the arc-shaped clamping groove; the fixed disc 241 is provided with a protrusion 247 by matching the end 243 with the inserting cylinder 244, the inserting plate 245 and the limiting block 246, the middle part of the lower end of the movable plate 248 is provided with a movable column 249, the tail end of the movable column 249 sequentially passes through the end 243 and the inserting cylinder 244 and extends to the adjacent part of the protrusion 247, the inserting cylinder 244 and the inserting plate 245 are inserted into the port of the side end of the measuring scale 11, the L-shaped clamping piece 23 at the bottom of the measuring instrument 26 is clamped in the arc-shaped clamping groove 242, the movable plate 248 is extruded to push the movable column 249 downwards to extrude the protrusion 247, the limiting block 246 on the outer wall of the inserting plate 245 is pushed to be sleeved in the limiting cylinder 17 on the outer walls on the two sides of the port of the measuring scale 11, the measuring instrument 26 is.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.