CN216590863U - Tripod is used in civil engineering survey and drawing - Google Patents

Abstract

The utility model provides a tripod for civil engineering surveying and mapping, which relates to the technical field of tripods and comprises a bearing table, wherein the bottom of the bearing table is fixedly connected with a vertically arranged support column, the support column is provided with a fixed disk, the fixed disk is hinged with three telescopic support legs, the three telescopic support legs are distributed in an array manner around the circumference of the fixed disk, an external thread part is arranged below the fixed disk on the support column, the external thread part is in threaded connection with a first adjusting element, a sleeve part is sleeved outside the first adjusting element, the sleeve part and the first adjusting element can only rotate relatively, three connecting rods corresponding to the telescopic support legs are hinged on the sleeve part, and the connecting rods are hinged with the telescopic support legs. This civil engineering survey and drawing is with flexible landing leg of tripod can change the expansion angle, when changing the tripod height through adjusting flexible landing leg, the expansion angle of adjustable flexible landing leg makes the tripod keep appropriate area.

Description

A tripod for civil engineering surveying and mapping

technical field

The utility model relates to the technical field of tripods, in particular to a tripod for civil engineering surveying and mapping.

Background technique

Civil engineering refers not only to the applied materials, equipment and technical activities such as surveying, design, construction, maintenance, and repair, but also to the object of engineering construction, that is, to be built on the ground or underground, on land or in water, directly or indirectly Various engineering facilities that serve human life, production, military, and scientific research, such as houses, roads, railways, pipelines, tunnels, etc.

In the surveying and mapping work of civil engineering construction site, a tripod needs to be used to support the surveying and mapping instrument. The utility model patent with the authorization announcement number CN207049559U discloses a tripod for civil engineering surveying and mapping. When the height of the tripod needs to be adjusted, it is necessary to adjust the support The telescopic rod on the leg, because the expansion angle of the support leg is fixed, leads to an increase in the floor space of the tripod when it is raised, which is not conducive to the operation of the surveyor; when it is lowered, the floor space of the tripod becomes smaller, which reduces the stability of the tripod.

Therefore, it is necessary to design a tripod for civil engineering surveying and mapping to solve the above technical problems.

Utility model content

The utility model provides a tripod for civil engineering surveying and mapping in view of the above technical problems existing in the prior art, which can solve the problem of a tripod for civil engineering surveying and mapping disclosed in the utility model patent with the authorization announcement number CN207049559U. When the height of the tripod is adjusted, the telescopic rods on the support legs need to be adjusted. Since the expansion angle of the support legs is fixed, the floor area of the tripod increases when the height is adjusted, which is not conducive to the operation of the surveying and mapping personnel; when the tripod is lowered, the floor area becomes larger Small, technical issues that reduce the stability of the tripod.

In order to achieve the above technical purpose, an embodiment of the present utility model provides a tripod for civil engineering surveying and mapping, including a bearing platform, the bottom of the bearing platform is fixedly connected with a vertically arranged support column, and a fixed plate is arranged on the support column, The fixed plate is hinged with three telescopic outriggers, and the three telescopic outriggers are distributed in an array around the circumference of the fixed plate. An external thread portion is provided on the support column under the fixed plate. The first adjustment element is threadedly connected with the first adjustment element, and a sleeve is sleeved on the outside of the first adjustment element, and the sleeve and the first adjustment element can only rotate relative to each other. The connecting rod corresponding to the telescopic outrigger is hinged with the telescopic outrigger.

Preferably, a first limiting boss and a second limiting boss are provided on the outer circumference of the first adjusting element, and the socket is located on the first limiting boss and the second limiting boss between the bosses.

Preferably, the telescopic outrigger includes an outer cylinder, the outer cylinder is hinged with the fixed plate, the connecting rod is hinged with the outer cylinder, and the bottom end of the outer cylinder is rotatably connected with a second adjusting element, the The rotation axis of the second adjustment element is coincident with the axis of the outer cylinder, the second adjustment element is threadedly connected with a threaded rod, and the threaded rod is slidably sleeved with the outer cylinder; the telescopic outrigger further includes a A guide structure for guiding the threaded rod.

Preferably, a boss portion is provided on the outer circumference of the bottom end of the outer cylinder, a groove body matched with the boss portion is provided in the second adjusting element, and the second adjusting element is sleeved on the Bottom of outer cylinder.

Preferably, the guide structure includes a through groove penetrating the outer cylinder wall, and a guide block provided on the threaded rod and slidingly matched with the through groove.

Preferably, the outer wall of the outer cylinder is provided with a scale along the length direction of the through groove.

Preferably, the bottom end of the telescopic outrigger is provided with a tip portion.

One or more technical solutions provided in the embodiments of the present utility model have at least the following technical effects or advantages:

In the embodiment of the present utility model, a support column is arranged at the bottom of the bearing platform, the first adjustment element is threadedly matched with the support column, a sleeve is arranged outside the first adjustment element, a connecting rod is arranged between the sleeve and the telescopic outrigger, and the first adjustment element is manually rotated. Adjusting element, the first adjusting element ascends or descends along the external thread portion, and the sleeve connected to the outside of the first adjusting element rises or descends with the first adjusting element, and then the connecting rod drives the telescopic outrigger to change the deployment angle. When the height of the tripod is changed by adjusting the telescopic outriggers, the expansion angle of the telescopic outriggers can be adjusted, so that the tripod can maintain a proper footprint.

Further, scales are set on the outer wall of the outer cylinder of the telescopic outriggers along the length direction of the through grooves, and the guide blocks slide in the through grooves, so that the length change value of the telescopic outriggers can be obtained intuitively, and it is convenient to adjust the length of the three telescopic outriggers to be the same.

Description of drawings

1 is a schematic structural diagram of a tripod for civil engineering surveying and mapping according to an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of the cooperation of the first adjusting element and the socket in the embodiment of the present invention.

3 is a schematic diagram of the internal structure of the telescopic outrigger in the embodiment of the present invention.

4 is a schematic diagram of the external structure of the telescopic outrigger in the embodiment of the present invention.

Description of reference numerals

1-carrying platform, 2-support column, 3-fixed plate, 4- telescopic outrigger, 5-external thread, 6-first adjusting element, 7-sleeve, 8-connecting rod, 9-first limit Position Boss, 10-Second Limit Boss, 11-Outer Cylinder, 12-Second Adjusting Element, 13-Thread Rod, 14-Boss, 15-Slot Body, 16-Through Slot, 17-Guide Block , 18-scale, 19-tip.

Detailed ways

Other objects and advantages of the present invention will become apparent by explaining the following preferred embodiments of the present application.

As shown in FIGS. 1 to 4 , a tripod for civil engineering surveying and mapping includes a bearing platform 1 , and a vertically arranged support column 2 is fixedly connected to the bottom of the bearing platform 1 . The support column 2 is provided with a fixed plate 3 , and the fixed plate 3 There are three telescopic outriggers 4 hinged on the upper part, and the three telescopic outriggers 4 are distributed in an array around the circumference of the fixed plate 3. The support column 2 is provided with an external thread part 5 under the fixed plate 3, and the external thread part 5 is threadedly connected with a first adjustment Element 6, the first adjustment element 6 is sleeved with a sleeve 7, the sleeve 7 and the first adjustment element 6 can only rotate relative to each other, and three connecting rods corresponding to the telescopic outriggers 4 are hinged on the sleeve 7 8. The connecting rod 8 is hinged with the telescopic outrigger 4 .

When the opening angle of the telescopic outrigger 4 needs to be adjusted, manually rotate the first adjustment element 6 , the first adjustment element 6 rises or falls along the external thread portion 5 , and is sleeved on the sleeve 7 outside the first adjustment element 6 As the first adjusting element 6 rises or falls, the connecting rod 8 drives the telescopic outrigger 4 to change the deployment angle. And by adjusting the opening angle of the telescopic outriggers 4, the three telescopic outriggers 4 can be folded, which is convenient for storage.

In some embodiments, the outer circumference of the first adjusting element 6 is provided with a first limiting boss 9 and a second limiting boss 10 , and the socket 7 is located on the first limiting boss 9 and the second limiting boss 10 . between the bosses 10. The first limit boss 9 and the second limit boss 10 are used to limit the socket 7 between them, so that the first adjustment element 6 and the socket 7 will not be separated, and only the relative rotation.

In some embodiments, the telescopic outrigger 4 includes an outer cylinder 11, the outer cylinder 11 is hinged with the fixed plate 3, the connecting rod 8 is hinged with the outer cylinder 11, and the bottom end of the outer cylinder 11 is rotatably connected with a second adjustment element 12, the second adjustment The rotation axis of the element 12 is coincident with the axis of the outer cylinder 11, the second adjusting element 12 is threadedly connected with a threaded rod 13, and the threaded rod 13 is slidably sleeved with the outer cylinder 11; Guided guide structure. The guide structure is used to prevent the threaded rod 13 from rotating with the rotation of the second adjusting element 12 . When the length of the telescopic outrigger 4 needs to be adjusted, the second adjusting element 12 is rotated, and under the action of the guiding structure, the threaded rod 13 extends or retracts from the outer cylinder 11 to adjust the length of the telescopic outrigger 4 .

In some embodiments, a boss portion 14 is provided on the outer circumference of the bottom end of the outer cylinder 11 , a groove body 15 is provided in the second adjusting element 12 to match with the boss portion 14 , and the second adjusting element 12 is sleeved on the outer cylinder. 11 bottom end. The boss portion 14 cooperates with the groove body 15 to constrain the second adjusting element 12 at the bottom end of the outer cylinder 11 so that the second adjusting element 12 will not be separated from the outer cylinder 11 and only rotate relative to each other.

In some embodiments, the guide structure includes a through groove 16 penetrating the wall of the outer cylinder 11 , and a guide block 17 provided on the threaded rod 13 and slidingly matched with the through groove 16 .

In some embodiments, the outer wall of the outer cylinder 11 is provided with a scale 18 along the length direction of the through groove 16. According to the position of the guide block 17, the length change value of the telescopic outriggers 4 can be intuitively obtained, which is convenient for adjusting the three telescopic outriggers 4. same length.

In some embodiments, the bottom end of the telescopic outrigger 4 is provided with a tip portion 19, so that the tripod can adapt to various complex ground conditions, and still has good support ability and stability even on the ground with more gravel or soft ground.

The device of the present application is described in detail with reference to the preferred technical solutions of the present application. However, it should be noted that, without departing from the spirit of the present application, those skilled in the art can make any modifications, Modifications and changes. This application includes the specific embodiments described above and any equivalents thereof.

Claims (7)

1. a tripod for civil engineering surveying and mapping is characterized in that: comprise a bearing platform, the bottom of the bearing platform is fixedly connected with a supporting column that is vertically arranged, the supporting column is provided with a fixed plate, and three are hinged on the fixed plate. There are three telescopic outriggers, and the three telescopic outriggers are distributed in an array around the circumference of the fixed disk. An external thread portion is provided on the support column below the fixed disk, and the external thread portion is threadedly connected with a first adjustment The first adjustment element is sleeved with a sleeve, the sleeve and the first adjustment element can only rotate relative to each other, and three are hinged on the sleeve corresponding to the telescopic outriggers The connecting rod is hinged with the telescopic outrigger. 2 . The tripod for civil engineering surveying and mapping according to claim 1 , wherein the outer circumference of the first adjusting element is provided with a first limiting boss and a second limiting boss, and the socket is provided with a first limit boss and a second limit boss. It is located between the first limiting boss and the second limiting boss. 3. The tripod for civil engineering surveying and mapping according to claim 1, wherein the telescopic outrigger comprises an outer cylinder, the outer cylinder is hinged with the fixed plate, and the connecting rod is hinged with the outer cylinder, The bottom end of the outer cylinder is rotatably connected with a second adjustment element, the rotation axis of the second adjustment element coincides with the axis of the outer cylinder, and the second adjustment element is threadedly connected with a threaded rod, and the threaded rod is connected to the outer cylinder. The outer cylinder is slidably sleeved; the telescopic outrigger further includes a guide structure for guiding the threaded rod. 4 . The tripod for surveying and mapping in civil engineering according to claim 3 , wherein a boss portion is provided on the outer circumference of the bottom end of the outer cylinder, and a boss portion is provided in the second adjusting element. 5 . The matching groove body, the second adjusting element is sleeved on the bottom end of the outer cylinder. 5. The tripod for civil engineering surveying and mapping according to claim 3, wherein the guide structure comprises a through groove penetrating the outer cylinder wall, and is arranged on the threaded rod and slides with the through groove Matching guide blocks. 6 . The tripod for civil engineering surveying and mapping according to claim 5 , wherein the outer wall of the outer cylinder is provided with a scale along the length direction of the through groove. 7 . 7 . The tripod for civil engineering surveying and mapping according to claim 1 , wherein a tip portion is provided at the bottom end of the telescopic outrigger. 8 .

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