CN218468565U

CN218468565U - Positioning lofting device that can finely tune

Info

Publication number: CN218468565U
Application number: CN202221391975.8U
Authority: CN
Inventors: 李一平; 赵芬; 李文娟; 卫建勋
Original assignee: Shanxi Guangye Construction Engineering Co ltd; China Shanxi Sijian Group Co Ltd
Current assignee: Shanxi Guangye Construction Engineering Co ltd; China Shanxi Sijian Group Co Ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2023-02-10
Anticipated expiration: 2032-06-07

Abstract

The utility model belongs to the technical field of the engineering survey, it is relatively poor to have solved the stability of prism among the lofting device, moreover in the inconvenient problem of accommodation process. The positioning lofting device capable of being finely adjusted is provided, a channel is arranged at the central position of the bracket, a limiting plate is arranged at the upper end of the bracket, and a sliding chute for the horizontal movement of the adjusting cylinder is formed between the limiting plate and the bracket; the lower end of the adjusting cylinder is externally connected with a horizontal flange plate, a pressing block and a return spring are sequentially arranged in an inner cavity of the adjusting cylinder from top to bottom, and the pressing block is arranged in the adjusting cylinder in a sliding manner; the lofting rod vertically penetrates through the baffle at the upper end of the adjusting cylinder, the pressing block, the return spring and the baffle at the lower end of the adjusting cylinder from top to bottom in sequence, and the prism is fixed at the upper end of the lofting rod and positioned above the adjusting cylinder; one side of the pressing block is provided with a rack, and the outer side of the adjusting cylinder is provided with a rotary fluted disc which is meshed with the rack for transmission. The device has the advantages of simple structure, convenience in installation, high construction efficiency, convenience in adjustment and capability of simultaneously ensuring the stability of the prism.

Description

Fine-adjustable positioning lofting device

Technical Field

The utility model belongs to the technical field of the engineering survey, concretely relates to location lofting device that can finely tune.

Background

With the wide use and popularization of the total station, the coordinate system is established to loft the coordinate point of the building, so that the engineering measurement time is shorter, the precision is higher, and the development of the house building engineering measurement technology is greatly improved; however, in the process of setting out a prism end coordinate, errors in manual centering and frequent leveling cause that measured data have errors inevitably, and particularly for projects with complex ground features and high requirements on building outline dimensions, the measured data need to be subjected to reciprocating rod alignment, and various problems of repeated adjustment, multiple adjustment, difficulty in setting out and positioning and the like exist before final positioning.

Through retrieval, the chinese patent CN 210036715U discloses a shortcut point location lofting device, which comprises a tripod and a prism, and is further provided with a rough lofting device and a prism fine-tuning mechanism, wherein the rough lofting device is arranged on the tripod; the prism fine adjustment mechanism comprises a transverse rod and a longitudinal rod, the transverse rod is arranged along a first horizontal direction, the longitudinal rod is arranged along a second horizontal direction, and the first horizontal direction and the second horizontal direction are crossed; the transverse rod is connected to the tripod, the longitudinal rod is arranged on the transverse rod, the prism is arranged on the longitudinal rod, the longitudinal rod is arranged in a reciprocating translation mode along a first horizontal direction, and the prism is arranged in a reciprocating translation mode along a second horizontal direction.

Although the device can solve the problem of finely adjusting the tripod at any time and leveling for many times, the prism is installed on a fine adjustment mechanism consisting of a transverse rod and a longitudinal rod, and the prism has poor stability and is inconvenient in the adjustment process.

SUMMERY OF THE UTILITY MODEL

The stability to prism among the current lofting device is relatively poor, moreover in the adjustment process inconvenient not enough, the utility model aims to provide a location lofting device that can finely tune, form the spout through bracket and limiting plate cooperation, adjust a section of thick bamboo and slide and drive the prism and finely tune in the spout, adjust the stability that convenient and can guarantee the prism simultaneously.

In order to achieve the purpose, the utility model adopts the following technical scheme that the fine-adjustable positioning lofting device comprises a tripod, a bracket, an adjusting cylinder, a lofting rod and a prism, wherein the tripod is arranged below the bracket and used for supporting and adjusting the level of the bracket, one side of the bracket is provided with a horizontal liquid level pipe, the central position of the bracket is provided with a channel, the upper end of the bracket is provided with a limiting plate, and a chute for the horizontal movement of the adjusting cylinder is formed between the limiting plate and the bracket; the upper end and the lower end of the adjusting cylinder are respectively provided with a baffle plate with a through hole, the lower end of the adjusting cylinder is externally connected with a horizontal flange plate, a pressing block and a return spring are sequentially arranged in an inner cavity of the adjusting cylinder from top to bottom, two ends of the return spring are respectively connected to the pressing block and the baffle plate at the lower end of the adjusting cylinder, and the pressing block is arranged in the adjusting cylinder in a sliding manner; the lofting rod sequentially and vertically penetrates through the baffle at the upper end of the adjusting cylinder, the pressing block, the reset spring and the baffle at the lower end of the adjusting cylinder from top to bottom, and the prism is fixed at the upper end of the lofting rod and positioned above the adjusting cylinder; one side of the pressing block is provided with a rack, the outer side of the adjusting cylinder is provided with a rotary fluted disc which is meshed with the rack for transmission, the lofting rod can be fixed on the pressing block through a horizontal pressing bolt, and a position, corresponding to the pressing bolt, on the adjusting cylinder is provided with a notch for the upward and downward sliding of the lofting rod.

Preferably, the position that corresponds rotatory fluted disc on the regulation section of thick bamboo has the breach that makes things convenient for rack and rotatory fluted disc meshing, and the fixed position that corresponds rotatory fluted disc on the outer wall of regulation section of thick bamboo has the fluted disc box, and rotatory fluted disc rotates through the pivot and sets up in the fluted disc box, and the one end of pivot stretches out the fluted disc box and forms the twist grip, and rotatory fluted disc is fixed in the pivot.

Preferably, a support block is connected between the return spring and the baffle at the lower end of the adjusting cylinder, and a vertical channel through which the lofting rod can pass is arranged on the support block.

Preferably, the flange plate is provided with scale indication lines, and the scale indication lines are positioned on a set of quartering lines on the upper surface of the flange plate.

Preferably, the inner edge of the retainer plate has at least two bolt holes, and the adjusted flange plate is fixed by tightening a fastening bolt passing through the bolt holes.

Preferably, the bracket is hollow discoid, and the limiting plate is ring and periphery downwardly extending and is connected with the bracket, and the internal diameter of limiting plate is greater than the internal diameter of bracket, and the flange board is ring and the external diameter is greater than the internal diameter of limiting plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this device forms the spout through bracket and limiting plate cooperation, adjusts a section of thick bamboo and slides and drive the prism and finely tune in the spout, adjusts the stability that convenient and can guarantee the prism simultaneously, through the cooperation of rotatory fluted disc and rack, realizes the quick lofting of lofting pole.

2. The device has the advantages of simple structure, convenient installation and high construction efficiency, can realize the accurate control of coordinate lofting, and effectively solves the problems of anti-reset movement, multiple leveling and inappropriate lofting positioning of the device in the process of measuring lofting.

3. The device adopts a tripod for leveling, the horizontal position of the lofting rod is adjustable, and the characteristic of automatic reset after lofting can ensure that the coordinate lofting point position is accurately controlled within the radius of 0-150mm, thereby not only ensuring the accuracy of coordinate lofting, but also simplifying the centering and leveling operation in the coordinate lofting process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic sectional elevation view of the overall structure of the present embodiment;

fig. 2 is a schematic diagram of the overall structure of the present embodiment.

In the figure: 1-a tripod; 2-a bracket; 3-adjusting the cylinder; 3.1-baffle; 4-a lofting rod; 5-a prism; 6-horizontal liquid level pipe; 7-a limiting plate; 8-a chute; 9-a flange plate; 10-briquetting; 10.1-rack; 11-a return spring; 12-rotating a fluted disc; 13-hold down bolts; 14-a cartridge; 15-turning the handle; 16-a support block; 17-fastening bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be apparent from and fully described in conjunction with the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limitations of the present invention, so they have no technical essence, and any modifications of the structures, ratios, or sizes should still fall within the scope of the present invention, which can be covered by the technical disclosure, without affecting the efficacy and the achievable purpose of the present invention.

The utility model provides an embodiment:

as shown in fig. 1 and 2, a fine-adjustable positioning lofting device comprises a tripod 1, a bracket 2, an adjusting cylinder 3, a lofting rod 4 and a prism 5, wherein the tripod 1 is arranged below the bracket 2 and used for supporting and adjusting the level of the bracket 2, the tripod 1 is hinged and locked below the bracket 2, the length of the tripod is telescopically adjusted and fixed, a horizontal liquid level pipe 6 is arranged on one side of the bracket 2, so that the overall leveling of the tripod 1 is facilitated, errors are prevented when the device on the bracket 2 moves horizontally, a channel is arranged at the central position of the bracket 2, a limit plate 7 is arranged at the upper end of the bracket 2, a chute 8 for the horizontal movement of the adjusting cylinder 3 is formed between the limit plate 7 and the bracket 2, and the thickness of the chute 8 is 3mm;

the upper end and the lower end of the adjusting cylinder 3 are respectively provided with a baffle 3.1 with a through hole, the lower end of the adjusting cylinder 3 is externally connected with a horizontal flange plate 9, the flange plate 9 is provided with scale indicating lines, the scale indicating lines are positioned on a group of quartering lines on the upper surface of the flange plate 9, the scales with mm as a unit can accurately displace the horizontal distance, and the limiting plate 7 and the flange plate 9 are galvanized steel plates with the thickness not less than 3mm, so that the adjusting cylinder 3 and the like can be effectively supported;

the inner cavity of the adjusting cylinder 3 is sequentially provided with a pressing block 10, a return spring 11 and a supporting block 16 from top to bottom, wherein two ends of the return spring 11 are respectively connected to the pressing block 10 and the supporting block 16, the lower end of the supporting block 16 is abutted to a baffle 3.1 at the lower end of the adjusting cylinder 3, the pressing block 10 is arranged in the adjusting cylinder 3 in a sliding mode, and vertical channels through which the lofting rod 4 can pass are formed in the pressing block 10, the return spring 11 and the supporting block 16 in the adjusting cylinder 3.

The lower end of the lofting rod 4 is provided with a tip convenient for lofting, the lofting rod 4 sequentially and vertically penetrates through a baffle 3.1 at the upper end of the adjusting cylinder 3, a pressing block 10, a return spring 11 and a baffle 3.1 at the lower end of the adjusting cylinder 3 from top to bottom, and the prism 5 is fixed at the upper end of the lofting rod 4 and is positioned above the adjusting cylinder 3; one side of the pressing block 10 is provided with a rack 10.1, the outer side of the adjusting cylinder 3 is provided with a rotary fluted disc 12 which is meshed with the rack 10.1 for transmission, the lofting rod 4 can be fixed on the pressing block 10 through a horizontal compression bolt 13, and the position of the adjusting cylinder 3 corresponding to the compression bolt 13 is provided with a notch which can slide up and down.

A gap facilitating meshing of the rack 10.1 and the rotary fluted disc 12 is formed in the position, corresponding to the rotary fluted disc 12, on the adjusting cylinder 3, a fluted disc box 14 is fixed on the outer wall of the adjusting cylinder 3, corresponding to the rotary fluted disc 12, the rotary fluted disc 12 is rotatably arranged in the fluted disc box 14 through a rotating shaft, one end of the rotating shaft extends out of the fluted disc box 14 and forms a rotating handle 15, the rotary fluted disc 12 is fixed on the rotating shaft, the fluted disc box 14 is provided with a bearing for rotatably mounting the rotating shaft, and the pressing block 10 can realize up-and-down displacement under the driving of the rotary fluted disc 12; of course, in another structure, the rotating shaft may be fixed in the gear 14, the rotating gear 12 is rotatably disposed on the rotating shaft, and the rotating handle 15 is mounted on the rotating gear 12.

In this embodiment, the bracket 2 is hollow disc-shaped, the limiting plate 7 is circular ring, the periphery of the limiting plate extends downwards and is connected with the bracket 2, the inner diameter of the limiting plate 7 is larger than that of the bracket 2, and the flange plate 9 is circular ring and has outer diameter larger than that of the limiting plate 7; a steel plate with the outer diameter of 300mm and the thickness of 10mm is used as the bracket 2, a round hole with the diameter of 100mm is reserved in the center of the bracket 2, a round hole with the outer diameter of 250mm, the thickness of 3mm and the radius of 100mm is reserved in the center of the limiting plate 7, and the round hole is used for installing the upper adjusting cylinder 3 and the flange plate 9; a steel plate with the outer diameter of 120mm and the thickness of 3mm is used as a flange plate 9, a round hole with the diameter of 60mm is reserved in the middle of the flange plate for welding an adjusting cylinder 3, a 60mm-200mm galvanized steel pipe is used as the adjusting cylinder 3, the specifications of a pressing block 10 and a supporting block 16 are both cylinders with the radius of 30mm and the length of 100mm, and a round hole with the diameter of 25mm is reserved in the center of each cylinder.

In order to stabilize the adjusted structure without the secondary sliding of the flange plate 9, the inner edge of the position limiting plate 7 has at least two bolt holes, and the adjusted flange plate 9 can be fastened by fastening bolts 17 passing through the bolt holes.

The method comprises the following specific operation steps:

1. firstly, assembling the integral device, placing the integral device at a rough sampling point, and firstly, realizing the level of a bracket 2 by adjusting a tripod 1;

2. finely adjusting the position of the flange plate 9 in the sliding groove 8 according to the observation of the prism 5;

3. the flange plate 9 is pressed against the bracket 2 by means of the fastening bolt 17;

4. the rotary fluted disc 12 is rotated to drive the pressing block 10 to move downwards, and meanwhile, the lofting rod 4 moves downwards to realize lofting;

5. the rotating handle 15 is loosened, and the lofting rod 4 is driven by the return spring 11 to return upwards.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a location lofting device that can finely tune which characterized in that: the automatic lofting device comprises a tripod (1), a bracket (2), an adjusting cylinder (3), a lofting rod (4) and a prism (5), wherein the tripod (1) is arranged below the bracket (2) and used for supporting and adjusting the bracket (2) to be horizontal, a horizontal liquid level pipe (6) is arranged on one side of the bracket (2), a channel is arranged at the central position of the bracket (2), a limiting plate (7) is arranged at the upper end of the bracket (2), and a sliding chute (8) for the adjusting cylinder (3) to move horizontally is formed between the limiting plate (7) and the bracket (2);

the upper end and the lower end of the adjusting cylinder (3) are respectively provided with a baffle (3.1) with a through hole, the lower end of the adjusting cylinder (3) is externally connected with a horizontal flange plate (9), a pressing block (10) and a return spring (11) are sequentially arranged in an inner cavity of the adjusting cylinder (3) from top to bottom, two ends of the return spring (11) are respectively connected to the pressing block (10) and the baffle (3.1) at the lower end of the adjusting cylinder (3), and the pressing block (10) is arranged in the adjusting cylinder (3) in a sliding manner;

the lofting rod (4) sequentially and vertically penetrates through a baffle (3.1) at the upper end of the adjusting cylinder (3), a pressing block (10), a return spring (11) and a baffle (3.1) at the lower end of the adjusting cylinder (3) from top to bottom, and the prism (5) is fixed at the upper end of the lofting rod (4) and is positioned above the adjusting cylinder (3); one side of the pressing block (10) is provided with a rack (10.1), the outer side of the adjusting cylinder (3) is provided with a rotary fluted disc (12) which is meshed with the rack (10.1) for transmission, the lofting rod (4) can be fixed on the pressing block (10) through a horizontal pressing bolt (13), and a position, corresponding to the pressing bolt (13), on the adjusting cylinder (3) is provided with a notch for the upward and downward sliding of the adjusting cylinder.

2. The fine adjustable lofting apparatus of claim 1, wherein: the position that corresponds rotatory fluted disc (12) on adjusting a section of thick bamboo (3) has the breach that makes things convenient for rack (10.1) and rotatory fluted disc (12) meshing, and the fixed position that corresponds rotatory fluted disc (12) on the outer wall of adjusting a section of thick bamboo (3) has fluted disc box (14), and rotatory fluted disc (12) rotate through the pivot and set up in fluted disc box (14), and fluted disc box (14) and formation turning handle (15) are stretched out to the one end of pivot, and rotatory fluted disc (12) are fixed in the pivot.

3. A fine-adjustable setting loft apparatus according to claim 2, wherein: a supporting block (16) is connected between the return spring (11) and a baffle (3.1) at the lower end of the adjusting cylinder (3), and a vertical channel through which the lofting rod (4) can pass is arranged on the supporting block (16).

4. The fine adjustable lofting apparatus of claim 1, wherein: the flange plate (9) is provided with scale indicating lines, and the scale indicating lines are located on a group of quartering lines on the upper surface of the flange plate (9).

5. A fine-adjustable lofting apparatus according to any one of claims 1 to 4, wherein: the inner edge of the limiting plate (7) is provided with at least two bolt holes, and the adjusted flange plate (9) can be pressed and fixed through fastening bolts (17) penetrating through the bolt holes.

6. The fine adjustable lofting apparatus of claim 1, wherein: bracket (2) are hollow discoid, and limiting plate (7) are ring and periphery downwardly extending and are connected with bracket (2), and the internal diameter of limiting plate (7) is greater than the internal diameter of bracket (2), and flange board (9) are ring and external diameter and are greater than the internal diameter of limiting plate (7).