CN219551515U

CN219551515U - Device for measuring and paying-off of arc structure

Info

Publication number: CN219551515U
Application number: CN202223491415.2U
Authority: CN
Inventors: 李银飞; 周仲煜; 郭磊; 尚乐乐; 尚明毅
Original assignee: First Construction Co Ltd of China Construction Third Engineering Division
Current assignee: First Construction Co Ltd of China Construction Third Engineering Division
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-08-18
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of building construction, and provides a device for measuring and paying off of an arc structure, which comprises a tester body, a chassis assembly and supporting feet, wherein the tester body is provided with a plurality of arc structures; the supporting legs comprise fixing sleeves, supporting columns, double gear plates, double racks, adjusting rotating rods and fastening nuts; the double-gear disc is provided with a first gear and a second gear with different tooth pitches; the rotary rod is adjusted, and the rotary rod is used for rotating the double-gear disc, and the axial position of the double-gear disc is adjusted; the fastening screw cap is connected with the adjusting rotary rod and used for locking the adjusting rotary rod on the fixed sleeve to limit the rotation of the double-gear disc. The utility model utilizes the cooperation of the double gear plates and the double racks to ensure that the double gear plates and the double racks have two transmission ratios so as to give consideration to the leveling efficiency and the leveling precision, and improves the measuring paying-off efficiency and the construction quality of the circular arc structure.

Description

Device for measuring and paying-off of arc structure

Technical Field

The utility model belongs to the technical field of building construction, and particularly relates to a device for measuring and paying off of an arc structure.

Background

Under the current building market conditions, the engineering scale is larger and larger, the requirements of underground parking lots of buildings are more and more, the building appearance is more and more complex, the arc structure is used more and more frequently, the traditional building arc structure is generally used for measuring and paying off in the following two modes, namely, a total station is used for lofting and fixing points, and the total station is used for carrying out point lofting on an arc every other small section for multiple times; and in the second mode, the total station lofting fixed point is used for measuring in cooperation with the tape measure, the total station is used for lofting to determine the axis position, and then the tape measure is used for measuring the distance. The existing total station is usually leveled by using an A-frame, each supporting leg of the A-frame is provided with a rack and a leveling screw meshed with the rack, and the height of the supporting leg is adjusted by adjusting the leveling screw, so that the leveling of the A-frame is realized, and the total station or a measuring device on the A-frame is kept horizontal. However, the supporting leg leveling mode has the problem that the adjusting efficiency and the adjusting precision are not compatible. If higher adjustment efficiency is required, the density of teeth in the unit length of the rack on the supporting leg is reduced, so that the adjustment accuracy is reduced, and if higher adjustment accuracy is required, the density of teeth in the unit length of the rack is increased, so that the adjustment efficiency is reduced. Therefore, a device compatible with the adjustment efficiency and the adjustment precision is required to be used for measuring and paying-off of the arc structure.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a device for measuring and paying off of an arc structure, which aims to solve the problem that the leveling efficiency and the leveling precision of the existing arc structure measuring and paying-off device are not compatible.

The utility model relates to a device for measuring and paying-off of an arc structure, which comprises a tester body, a chassis assembly and supporting feet; an infrared laser range finder is arranged on the tester body, and a level bubble is arranged at the upper end of the tester body; the tester body is arranged on the chassis assembly, and three supporting legs are uniformly distributed at the lower end of the chassis assembly to form a tripod structure; the supporting legs comprise fixing sleeves, supporting columns, double gear plates, double racks, adjusting rotary rods and fastening nuts; the fixed sleeve is vertically fixed at the lower end of the chassis assembly, the supporting columns are coaxially and movably nested in the fixed sleeve, the double racks are arranged on the side walls of the supporting columns, the double gear plates are arranged on the side walls of the fixed sleeve, the double racks are provided with first racks and second racks with different tooth spaces, and the double gear plates are provided with first gears and second gears with different tooth spaces; the first rack is meshed with the first gear or the second rack is meshed with the second gear; the adjusting rotary rod is coaxially connected with the double-gear disc and used for rotating the double-gear disc, and the adjusting rotary rod is also connected with the fixed sleeve and used for adjusting the axial position of the double-gear disc; the fastening screw cap is connected with the adjusting rotary rod and used for locking the adjusting rotary rod on the fixed sleeve to limit the rotation of the double-gear disc.

Further, the side wall of the support column is provided with a vertical groove, and the double racks are arranged in the groove; the double gear disc is partially positioned in the groove and matched with the double racks.

Further, the chassis assembly comprises a fixed chassis and a rotary chassis which are horizontally matched in a rotating way; the rotary chassis is fixedly connected to the lower end of the tester body, the fixed chassis is arranged at the lower end of the rotary chassis, and the supporting feet are connected to the lower end of the fixed chassis.

Further, scale marks are uniformly arranged on the side wall of the fixed chassis along the circumferential direction, and pointers are arranged on the side wall of the rotary chassis.

Further, a tape measure is fixedly arranged between the rotary chassis and the tester body.

The beneficial effects of the utility model are as follows: the measuring paying-off of the arc structure is realized through an infrared laser range finder arranged on the tester body; the triangular bracket structure formed by the three supporting legs is utilized to adjust the level of the tester body by matching with the level bubble, and particularly, the level of the tester body is adjusted by matching the double-gear disc with the double racks, so that the tester has two transmission ratios to give consideration to the leveling efficiency and the leveling precision, and finally, the measuring paying-off efficiency and the construction quality of the circular arc structure are also improved.

Drawings

Fig. 1 is a schematic structural view of an apparatus for measuring and paying out an arc structure according to the present utility model.

Fig. 2 is an enlarged schematic view of the chassis assembly and support feet of fig. 1.

Fig. 3 is an enlarged schematic view of the support column separated from the fixing sleeve of one support leg in fig. 2.

Fig. 4 is a schematic diagram of a structure in which a first gear of the double-gear disc and the double racks in fig. 3 is meshed with a first rack.

Fig. 5 is a schematic diagram of a structure in which the double-gear disc and the second gear of the double racks in fig. 4 are meshed with the second rack.

Fig. 6 is a schematic view of the tape measure of fig. 2.

In the figure, 1-a tester body; 2-infrared laser rangefinder; 3-a winder; 4-rotating the chassis; 5-fixing the chassis; 6-scale marks; 7-supporting feet; 701-supporting columns; 702-groove; 703-double racks; 7031-first rack; 7032-a second rack; 704-fixing the sleeve; 705-male housing; 706-adjusting the rotating rod; 707-tightening a nut; 708—double gear disc; 7081—a first gear; 7082-a second gear; 8-measuring tape; 9-bubble level; 10-pointer.

Detailed Description

The utility model is described in further detail below with reference to fig. 1 to 6 and the specific examples.

The device for measuring and paying-off of the circular arc structure as shown in fig. 1-6 comprises a tester body 1, a chassis assembly and supporting feet 7; an infrared laser range finder 2 is arranged on the tester body 1, and a level bubble 9 is arranged at the upper end of the tester body 1; the tester body 1 is arranged on a chassis assembly, and three supporting legs 7 are uniformly distributed at the lower end of the chassis assembly to form a triangular bracket structure.

The supporting leg 7 comprises a fixed sleeve 704, a supporting column 701, a double gear disk 708, a double rack 703, an adjusting rotary rod 706 and a fastening nut 707; the fixed sleeve 704 is vertically fixed at the lower end of the chassis assembly, the support column 701 is coaxially and movably nested in the fixed sleeve 704, the double racks 703 are arranged on the side wall of the support column 701, the double racks 708 are arranged on the side wall of the fixed sleeve 704, the double racks 703 are provided with a first rack 7031 and a second rack 7032 with different tooth pitches, and the double racks 708 are provided with a first gear 7081 and a second gear 7082 with different tooth pitches; the first rack 7031 is meshed with the first gear 7081 or the second rack 7032 is meshed with the second gear 7082; the adjusting rotary rod 706 is coaxially connected with the double-gear disk 708 and is used for rotating the double-gear disk 708, and the adjusting rotary rod 706 is also connected with the fixed sleeve 704 and is used for adjusting the axial position of the double-gear disk 708; a tightening nut 707 is coupled to the adjustment lever 706 for locking the adjustment lever 706 to the stationary sleeve 704 to limit rotation of the dual gear disk 708.

Referring to fig. 3, the side wall of the support column 701 is provided with a vertical groove 702, and a double rack 703 is arranged in the groove 702; a double gear disk 708 is partially positioned in the groove 702 and cooperates with the double rack 703. The side wall of the stationary sleeve 704 is provided with a male housing 705, and a double gear disc 708 is provided in the male housing 705.

As shown in fig. 4 and 5, the first rack 7031 and the second rack 7032 are vertically disposed in the groove 702, and the first rack 7031 and the second rack 7032 are parallel and have different tooth spaces, for example, the tooth space of the first rack 7031 is larger than the tooth space of the second rack 7032, so that when the double-gear disc 708 is meshed with the first rack 7031, the double-gear disc 708 has higher adjustment efficiency, and when the double-gear disc 708 is meshed with the second rack 7032, the tooth space of the second rack 7032 is smaller, so that the double-gear disc 708 has higher adjustment precision.

As shown in fig. 4, the first gear 7081 of the double gear disc 708 is meshed with the first rack 7031 in the groove 702, while the second gear 7082 is also spaced from the second rack 7032 in the groove 702. When the adjustment lever 706 is pushed, the double gear plate 708 is moved forward along the axial direction of the adjustment lever 706, and the cooperation of the double gear plate 708 and the double rack 703 is changed to the state shown in fig. 5, that is, the second gear 7082 is engaged with the second rack 7032, and the first gear 7081 is disengaged from the first rack 7031. In the state transition as in fig. 4 to 5, the transmission ratio of the double gear disk 708 to the double rack 703 is changed.

Both ends of the adjusting rotary rod 706 are movably connected to the fixed sleeve 704 along the axial direction, so that the adjusting rotary rod 706 can rotate or move along the axial direction, thereby adjusting the axial position of the double gear disk 708. When the adjusting screw 706 rotates, the double gear plate 708 is meshed with the double rack 703, so that the height of the double rack 703, namely the height of the support column 701 fixed with the double rack 703, is adjusted, the height of the support column 701 determines the height and the inclination angle of the chassis assembly and the tester body 1, and the leveling of the tester body 1 is realized by matching with the level bubble 9.

The chassis assembly comprises a fixed chassis 5 and a rotary chassis 4 which are horizontally matched in a rotary manner; the rotary chassis 4 is fixedly connected to the lower end of the tester body 1, the fixed chassis 5 is arranged at the lower end of the rotary chassis 4, and the supporting feet 7 are connected to the lower end of the fixed chassis 5.

The side wall of the fixed chassis 5 is uniformly provided with scale marks 6 along the circumferential direction, and the side wall of the rotary chassis 4 is provided with a pointer 10. The direction of the tester body 1 can be adjusted by rotating the rotary chassis 4, and the rotation angle of the tester body 1 can be obtained by matching the pointer 10 with the scale marks 6 so as to match with the measurement paying-off of the circular arc structure.

A tape measure 8 is fixedly arranged between the rotary chassis 4 and the tester body 1. Referring to fig. 2 and 6, a winder 3 may be further disposed between the rotary chassis 4 and the tester body 1, one end of the tape 8 is wound on the winder 3, the other end of the tape 8 is a free end, and extends out of the rotary chassis 4 to pull the free end of the tape 8 to achieve distance measurement between the device and the arc structure. Wherein the tape measure 8 is arranged on the reel 3 can be regarded as prior art. In the process of pulling the free end of the tape measure 8, the tape measure 8 drives the winder 3 to rotate, the rotating shaft of the winder 3 is located at the central shaft of the chassis assembly and is also located at the central shaft of the tester body 1, and the level bubble 9 is also arranged on the central shaft. The rotation axis of the winder 3 is provided with an angle encoder, an electric signal is connected with a Bluetooth module, a battery is arranged in the tester body 1, the angle encoder and the Bluetooth module are further electrically connected with the battery, the angle encoder obtains the rotation number or rotation angle of the winder 3, and the angle encoder is transmitted to an external handheld end for display through the Bluetooth module. The number of turns or the rotation angle of the reel 3 obtained by the angle encoder can be used to know the extension length of the tape measure 8, thereby also realizing the distance measurement. And the hand-held end may be a hand-ring on which the extension or reach of the tape measure 8 is displayed. After measuring paying-off personnel wear the bracelet, the free end of pulling tape measure 8 to circular arc structure department, through the length or the distance numerical value that the bracelet shows this moment, can learn the distance of device and circular arc structure, measure paying-off personnel and need not to return device department again and watch the reading of tape measure 8, improved the efficiency of construction, alone can accomplish circular arc structure's measurement paying-off construction.

The center of the chassis assembly is also provided with a central infrared which vertically points to the ground. When the arc structure is required to be measured and paid off, firstly, the center point and the angle orientation points of the arc structure are determined in advance on a drawing, and the position relation between each angle orientation point and the arc structure, including angles and distances, is marked. The device of the embodiment is placed at the position of the center point of the construction site, so that the middle infrared rays point to the center point. The height of the supporting feet 7 is adjusted, so that the high-efficiency and high-precision leveling of the tester body 1 is realized. The rotation tester body 1, the pointer 10 and the scale mark 6 are matched to determine the rotation angle, the infrared laser range finder 2 is aligned with the angle orientation point to realize distance measurement, the position of the arc structure is determined, the measurement paying-off of the arc structure is realized, and the distance of the arc structure can be determined by matching with the tape measure 8. And the positions of the points of the arc structure are rapidly released by analogy according to the angles and the distances of the points of the arc structure marked by the drawing, so that the positions of the arc structure are determined.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be comprehended by those skilled in the art and are intended to be within the scope of the utility model.

Claims

1. The device for measuring and paying-off of the circular arc structure is characterized by comprising a tester body, a chassis assembly and supporting feet; an infrared laser range finder is arranged on the tester body, and a level bubble is arranged at the upper end of the tester body; the tester body is arranged on the chassis assembly, and three supporting legs are uniformly distributed at the lower end of the chassis assembly to form a tripod structure; the supporting legs comprise fixing sleeves, supporting columns, double gear plates, double racks, adjusting rotary rods and fastening nuts; the fixed sleeve is vertically fixed at the lower end of the chassis assembly, the supporting columns are coaxially and movably nested in the fixed sleeve, the double racks are arranged on the side walls of the supporting columns, the double gear plates are arranged on the side walls of the fixed sleeve, the double racks are provided with first racks and second racks with different tooth spaces, and the double gear plates are provided with first gears and second gears with different tooth spaces; the first rack is meshed with the first gear or the second rack is meshed with the second gear; the adjusting rotary rod is coaxially connected with the double-gear disc and used for rotating the double-gear disc, and the adjusting rotary rod is also connected with the fixed sleeve and used for adjusting the axial position of the double-gear disc; the fastening screw cap is connected with the adjusting rotary rod and used for locking the adjusting rotary rod on the fixed sleeve to limit the rotation of the double-gear disc.

2. The device for measuring and paying-off of an arc structure according to claim 1, wherein a vertical groove is formed in the side wall of the support column, and the double racks are arranged in the groove; the double gear disc is partially positioned in the groove and matched with the double racks.

3. The apparatus for measuring and paying out a circular arc structure according to claim 1, wherein the chassis assembly comprises a horizontal, rotationally-engaged fixed chassis and a rotating chassis; the rotary chassis is fixedly connected to the lower end of the tester body, the fixed chassis is arranged at the lower end of the rotary chassis, and the supporting feet are connected to the lower end of the fixed chassis.

4. The device for measuring and paying off of an arc structure according to claim 3, wherein scale marks are uniformly arranged on the side wall of the fixed chassis along the circumferential direction, and pointers are arranged on the side wall of the rotating chassis.

5. The device for measuring and paying-off of an arc structure according to claim 3, wherein a tape measure is fixedly arranged between the rotary chassis and the tester body.