CN219624773U - Construction measurement lofting device - Google Patents

Abstract

The utility model provides a construction measurement lofting device, which comprises a winding box, wherein a winding shaft is arranged at the center of the inner wall of the winding box through a bearing, a measurement tape is wound on the winding shaft in the winding box, an outlet end is arranged at the top of the winding box, the movable end of the measurement tape penetrates out of the outlet end, a supporting mechanism for fixedly supporting the elongated measurement tape is arranged at the back of the winding box, the penetrating position of the measurement tape is guided in a limiting manner through a limiting clamp, the measurement tape is kept upright, the numerical value of the tape is convenient to observe manually, the length of a telescopic plate is buckled on the top surface of a folding connecting rod under the elastic action of a spring, the stability of the folding connecting rod is kept, and compared with the prior art, the length of the measurement tape which is released is supported and fixed through the supporting mechanism at the back, the measurement tape is kept to be vertically measured, and the device is convenient to carry and store.

Description

Construction measurement lofting device

Technical Field

The utility model relates to the technical field of construction measurement, in particular to a construction measurement lofting device.

Background

The measurement lofting is used as a mapping technology, namely three-dimensional positioning measurement of any space object, the specific work of the three-dimensional positioning measurement is reflected on measurement of three values of distance, angle (direction) and elevation, no matter what method is adopted for lofting, the three values of the three values are always marked on a construction site by using various different instruments, lofting is one of main contents of engineering measurement research, and in the existing indoor decoration process, the lofting is made to be very inconvenient by a lofting device which is usually fixed and is used in the lofting process, so that manual simple operation is not facilitated.

Patent CN211977923U proposes an interior decoration construction measurement lofting device, drives the bevel gear through hand rocker and rotates, and bevel gear, rack pass through the bottom that meshing transmission's effect will be power to the pole setting, and the pole setting rises, drives the measuring arm at top and rises or descend, and then survey and draw the operation to the wall, and specific scale can be through the position that the measuring mirror looked over the scale mark can realize the accurate measurement to the marking off position.

The technical scheme disclosed in the patent document drives the lifting measurement of the measuring arm through gear transmission, but the measuring length in the scheme is limited, only a few measurements with moderate heights can be performed, and a few measurements with higher heights can not be lofted, otherwise, the defects of overlarge device and inconvenient carrying and transporting are caused.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a construction measurement lofting device which solves the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a construction measurement lofting device, includes the rolling case, rolling case inner wall centre of a circle department installs the rolling axle through the bearing, and the rolling has the measurement tape on the inside rolling axle of rolling case, the exit end has been seted up to rolling case top, and the expansion end of measurement tape wears out the exit end, the rolling case back is equipped with the supporting mechanism to the measurement tape fixed stay of extension.

Further, the supporting mechanism comprises connecting rods, a plurality of groups of folding connecting rods are arranged on the back of the winding box, and the connecting rod at the bottommost part of the winding box is rotationally connected with the outer wall of the winding box through a bearing.

Furthermore, a cross rotating shaft is arranged at the joint of the adjacent connecting rods.

Further, the connecting rod at the top of the back of the winding box is rotationally connected with a sliding frame through a rotating shaft, a transverse plate is fixed at the outer side of the movable end of the measuring tape, and the sliding frame is slidably connected to the transverse plate.

Further, threads are formed on the surfaces, located at the two ends of the cross rotating shaft, of the adjacent connecting rods, and screw barrels are engaged and sleeved on the threads of the connecting rods.

Further, the expansion plate is fixed to the back of the winding box, the buckling frame is fixed to the top of the expansion plate, the buckling frame is buckled on the connecting rod at the top of the back of the winding box, the spring is fixed to the outer wall of the containing end of the expansion plate, and the other end of the spring is fixed to the extending end of the expansion plate.

Further, a limiting clamp is fixed at the top of the outlet end.

The utility model has the beneficial effects that: the utility model relates to a construction measurement lofting device, which comprises a winding box; measuring a tape; an outlet end; a limiting clamp; a support mechanism; a connecting rod; a cross rotating shaft; a cross plate; a sliding frame; a thread; a screw cylinder; a telescoping plate; a spring; buckling a frame;

1. this construction measurement lofting device is through spacing guide of spacing clamp to measuring tape's the position of wearing out, keeps measuring tape's upright and makes things convenient for the people to observe tape numerical value.

2. The length of the expansion plate of the construction measurement lofting device is under the elastic action of the spring, the buckling frame is buckled on the top surface of the folding connecting rod, and the stability of the folding connecting rod is kept.

3. This construction measurement lofting device is for prior art, supports fixedly through the supporting mechanism at the back to the measurement tape length that releases, keeps measuring tape vertical measurement, and the device conveniently carries and accomodates.

Drawings

FIG. 1 is a schematic diagram of the overall frontal structure of a construction survey lofting device of the present utility model;

FIG. 2 is a schematic view of the overall back structure of a construction survey lofting device of the present utility model;

FIG. 3 is a schematic view of a supporting mechanism of a construction survey lofting device according to the present utility model;

FIG. 4 is a schematic view of a vertical locking structure of a connecting rod of a construction survey lofting device according to the present utility model;

in the figure: 1. a winding box; 2. measuring a tape; 3. an outlet end; 31. a limiting clamp; 4. a support mechanism; 41. a connecting rod; 42. a cross rotating shaft; 43. a cross plate; 44. a sliding frame; 45. a thread; 46. a screw cylinder; 5. a telescoping plate; 51. a spring; 52. and (5) buckling the frame.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a construction measurement lofting device, includes rolling case 1, rolling case 1 inner wall centre of a circle department installs the rolling axle through the bearing, and the rolling has measurement tape 2 on the inside rolling axle of rolling case 1, exit end 3 has been seted up at rolling case 1 top, and the expansion end of measurement tape 2 wears out exit end 3, rolling case 1 back is equipped with the supporting mechanism 4 to the measurement tape 2 fixed stay of extension, during the use device, will measure tape 2 and pull out from exit end 3, and the measurement tape 2 length of roll suitable is put according to the measuring position later, will measure tape 2 vertical fixation through supporting mechanism 4, keeps the accurate precision of measurement, will measure tape 2 rolling after the use is accomplished inside rolling case 1.

In this embodiment, the supporting mechanism 4 includes a connecting rod 41, the back of the winding box 1 is provided with a plurality of groups of folding connecting rods 41, and the connecting rod 41 at the bottommost part of the winding box 1 is rotationally connected with the outer wall of the winding box 1 through a bearing, a cross rotating shaft 42 is installed at the joint of adjacent connecting rods 41, the folding connecting rods 41 rotate corresponding connecting rods 41 according to the release length of the measuring tape 2, and unused connecting rods 41 are folded and stored at the back of the winding box 1 through the cross rotating shaft 42.

In this embodiment, the top-most connecting rod 41 on the back of the winding box 1 is rotatably connected with a sliding frame 44 through a rotating shaft, a transverse plate 43 is fixed on the outer side of the movable end of the measuring tape 2, the sliding frame 44 is slidably connected to the transverse plate 43, and after the connecting rod 41 is unfolded vertically, the sliding frame 44 slides along the transverse plate 43 to maintain the connection relationship with the measuring tape 2.

In this embodiment, threads 45 are formed on the surfaces of two ends of the cross shaft 42 adjacent to the connecting rod 41, and a screw cylinder 46 is engaged and sleeved on the threads 45 of the connecting rod 41, after the connecting rod 41 rotates vertically, the screw cylinder 46 is rotated, and the screw cylinder 46 moves along the threads 45 of one connecting rod 41 until moving to the threads 45 of the other connecting rod 41, so as to lock the two vertical connecting rods 41.

In this embodiment, the expansion plate 5 is fixed on the back of the winding box 1, the buckling frame 52 is fixed on the top of the expansion plate 5, the buckling frame 52 is buckled on the top-most connecting rod 41 on the back of the winding box 1, the spring 51 is fixed on the outer wall of the storage end of the expansion plate 5, the other end of the spring 51 is fixed with the extension end of the expansion plate 5, and the length of the expansion plate 5 is elastically acted by the spring 51, so that the buckling frame 52 is buckled on the top-most surface of the folding connecting rod 41, and the stability of the folding connecting rod 41 is maintained.

In this embodiment, the top of the outlet end 3 is fixed with a limiting clamp 31, and the threading position of the measuring tape 2 is guided in a limiting manner by the limiting clamp 31, so that the measuring tape 2 is kept upright and the numerical value of the tape is convenient to observe manually.

When the device is used, the measuring tape 2 is pulled out from the outlet end 3, then the proper length of the measuring tape 2 is placed and rolled according to the measuring position, the folded connecting rod 41 rotates the corresponding connecting rod 41 according to the discharging length of the measuring tape 2, the unused connecting rod 41 is folded and stored on the back surface of the rolling box 1 through the cross rotating shaft 42, after the connecting rod 41 rotates to be vertical, the screw cylinder 46 is rotated, the screw cylinder 46 moves in a meshed manner along the thread 45 of one connecting rod 41 until the screw cylinder moves to the thread 45 of the other connecting rod 41, locking of the two vertical connecting rods 41 is achieved, the measuring precision is kept, and the measuring tape 2 is rolled inside the rolling box 1 after the use is completed.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a construction measurement lofting device, includes rolling case (1), its characterized in that: the winding box is characterized in that a winding shaft is arranged at the center of the circle of the inner wall of the winding box (1) through a bearing, a measuring tape (2) is wound on the winding shaft inside the winding box (1), an outlet end (3) is arranged at the top of the winding box (1), the movable end of the measuring tape (2) penetrates out of the outlet end (3), and a supporting mechanism (4) for fixedly supporting the elongated measuring tape (2) is arranged on the back of the winding box (1).

2. A construction survey lofting device according to claim 1, wherein: the supporting mechanism (4) comprises connecting rods (41), a plurality of groups of folding connecting rods (41) are arranged on the back surface of the winding box (1), and the connecting rods (41) at the bottommost part of the winding box (1) are rotatably connected with the outer wall of the winding box (1) through bearings.

3. A construction survey lofting device according to claim 2, wherein: and a cross rotating shaft (42) is arranged at the joint of the adjacent connecting rods (41).

4. A construction survey lofting device according to claim 3, wherein: the connecting rod (41) at the top of the back of the winding box (1) is rotationally connected with a sliding frame (44) through a rotating shaft, a transverse plate (43) is fixed at the outer side of the movable end of the measuring tape (2), and the sliding frame (44) is slidably connected to the transverse plate (43).

5. A construction survey lofting device according to claim 4, wherein: screw threads (45) are formed on the surfaces, located at the two ends of the cross rotating shaft (42), of the adjacent connecting rods (41), and screw cylinders (46) are sleeved on the screw threads (45) of the connecting rods (41) in a meshed mode.

6. A construction survey lofting device according to claim 2, wherein: the winding box is characterized in that the back of the winding box (1) is fixedly provided with a telescopic plate (5), the top of the telescopic plate (5) is fixedly provided with a buckling frame (52), the buckling frame (52) is buckled on a connecting rod (41) at the topmost part of the back of the winding box (1), the outer wall of the storage end of the telescopic plate (5) is fixedly provided with a spring (51), and the other end of the spring (51) is fixedly connected with the extension end of the telescopic plate (5).

7. A construction survey lofting device according to claim 1, wherein: and a limiting clamp (31) is fixed at the top of the outlet end (3).