CN209802346U

CN209802346U - Surveyor's level for survey and drawing

Info

Publication number: CN209802346U
Application number: CN201920390012.8U
Authority: CN
Inventors: 陈姣; 范晓鹏; 邹宜彤
Original assignee: Xian University of Architecture and Technology
Current assignee: Qinhan Xincheng Surveying And Mapping Co ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2019-12-17
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a surveyor's level for surveying and mapping, including the surveyor's level body, three landing legs, base, cylindrical fixed block, be provided with the bubble spirit level on the upper surface of base, the landing leg articulates on the fixed block, the fixed block is kept away from the one end of landing leg and is provided with convex recess, the rotation of convex recess is connected with universal ball, universal ball and the lower fixed surface of base are connected; the fixing block is circumferentially provided with external threads, the fixing block is sleeved with a compression sleeve, the compression sleeve is in threaded connection with the fixing block, and the compression sleeve is provided with a first through hole for a universal ball to pass through; fixedly connected with hollow rotating shaft on the base, bubble spirit level are located hollow rotating shaft, and fixedly connected with rotor plate has seted up the second through-hole on the rotor plate on the spirit level body, and the rotor plate passes through the second through-hole and rotates to be connected in hollow rotating shaft. The utility model discloses can be to the base quick leveling of surveyor's level to unusual convenience practices thrift the leveling time.

Description

Surveyor's level for survey and drawing

Technical Field

The utility model relates to an instrument technical field for ecological planning especially relates to a surveyor's level for survey and drawing.

background

In ecological investigation of ecological planning, the investigation of the conditions of natural environment and natural resources is indispensable, and in the investigation, the measurement of landform, slope position, altitude, longitude and latitude and the like is required, and a surveying and mapping level gauge is used in the measurement.

The surveying and mapping level is mainly used for measuring the height of a certain point or the height difference between two points. The existing level mainly comprises a base connected to a tripod and a level body rotatably connected to the base. When the tripod is used, the position between the two observation points is determined, and then the tripod is opened and the height is moderate; and then connecting the leveling instrument to a tripod by using a connecting screw, leveling the leveling instrument after the leveling instrument is installed, aiming at points after the leveling instrument is leveled, and finally reading and calculating.

The level gauge is rotatably connected to the base, so that the base is generally leveled when the level gauge is leveled, the base is generally leveled by adjusting the length of the supporting legs of the tripod through the telescopic tripod at present, then the bubble level gauge on the base is watched, but the bubble level gauge on the base needs to be watched while the length of the supporting legs of the tripod is adjusted, the user needs to squat and stand back and forth, the adjustment is very inconvenient, and the time for leveling the base is increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a surveyor's level for survey and drawing can be to the base quick leveling of surveyor's level to unusual convenience practices thrift the leveling time.

The utility model discloses an above-mentioned technical problem is solved to following technical means:

A surveyor's level for survey and drawing comprises a level body, three support legs and a base, wherein a bubble level is arranged on the upper surface of the base, the surveyor's level also comprises a cylindrical fixed block, the support legs are hinged on the fixed block, one end, far away from the support legs, of the fixed block is provided with an arc-shaped groove, a universal ball is rotatably connected in the arc-shaped groove, and the universal ball is fixedly connected with the lower surface of the base; the universal ball bearing is characterized in that external threads are arranged on the circumference of the fixed block, a compression sleeve is sleeved on the fixed block and is in threaded connection with the fixed block, and a first through hole for a universal ball to pass through is formed in the compression sleeve; the bubble level gauge is located the hollow rotating shaft, fixedly connected with rotor plate on the spirit level body, the second through-hole has been seted up on the rotor plate, the rotor plate passes through the second through-hole and rotates to be connected in the hollow rotating shaft.

Further, the landing leg includes first branch and second branch, first branch is hollow structure, second branch slides and sets up in the hollow structure of first branch, be provided with the screw hole on the first branch, screw hole female connection has the screw rod, fixedly connected with swiveling wheel on the screw rod. Second branch sliding connection is in first branch, when extension or shorten the landing leg, the slip second branch can, when sliding to needs position, rotatory swiveling wheel utilizes the screw rod to support the second branch tightly, realizes the fixed of second branch.

Furthermore, only three rectangular channels are formed in the bottom of the fixing block, a first fixing shaft is fixedly connected in each rectangular channel, a third through hole is formed in one end, far away from the second supporting rod, of the first supporting rod, and the first supporting rod is rotatably connected with the first fixing shaft through the third through hole. So, can make first branch pivoted joint on first fixed axle, first branch forms articulatedly with the fixed block.

Further, the one end that first branch was kept away from to second branch is provided with U type groove, U type inslot fixedly connected with second fixed axle, it is connected with the toper pole to rotate on the second fixed axle. In general, the tapered rod is folded in the U-shaped groove, when the level is installed on unstable ground, the tapered rod can be rotated to be in a straight line with the second supporting rod by rotating the tapered rod, and then the tapered rod is inserted into the ground to be firmly installed.

Furthermore, the outer wall of the pressing sleeve is fixedly connected with a fixing rod. When the compressing sleeve is rotated, the fixing rod can be held to rotate, and the compressing sleeve is more convenient.

Further, the hole wall of the first through hole is in arc transition. The first through-hole of arc transition can closely laminate with universal ball, when compressing tightly the sleeve and compressing tightly universal ball, can be more firm compress tightly universal ball.

The utility model has the advantages that:

the utility model discloses when leveling the base, the operator can directly stand, and the base is held to both hands, swing base all around, low head watch be located the base on the bubble spirit level can, whole leveling process convenience very to the base, need not make a round trip squat and stand, can be quick carry out the leveling to the base, practice thrift the leveling time.

drawings

FIG. 1 is a schematic view of a surveying and mapping level of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

FIG. 4 is a schematic view of the compression sleeve of FIG. 1;

FIG. 5 is a top view of the base;

FIG. 6 is a bottom view of the fixed block;

FIG. 7 is a schematic end view of a first strut.

The level gauge comprises a level gauge body 1, a base 2, a fixing block 3, a bubble level gauge 4, a universal ball 5, a pressing sleeve 6, a fixing rod 7, a first through hole 8, a hollow rotating shaft 9, a rotating plate 10, a second through hole 11, a first supporting rod 12, a second supporting rod 13, a screw rod 14, a rotating wheel 15, a rectangular groove 16, a first fixing shaft 17, a third through hole 18, a U-shaped groove 19, a second fixing shaft 20 and a tapered rod 21.

Detailed Description

the present invention will be described in detail below with reference to the accompanying drawings:

as shown in FIGS. 1 to 7

A surveyor's level for surveying and mapping comprises a level body 1, three support legs, a base 2 and a cylindrical fixed block 3, wherein a bubble level 4 is installed on the upper surface of the base 2, an arc-shaped groove is formed in the fixed block 3, a universal ball 5 is rotationally connected in the arc-shaped groove, the arc-shaped groove covers two thirds of the volume of the universal ball 5, and the universal ball 5 is welded with the lower surface of the base 2; the fixing block 3 is circumferentially provided with external threads, the fixing block 3 is sleeved with a compression sleeve 6, the outer wall of the compression sleeve 6 is welded with a fixing rod 7, the compression sleeve 6 is in threaded connection with the fixing block 3, the compression sleeve 6 is provided with a first through hole 8 for the universal ball 5 to pass through, and the hole wall of the first through hole 8 is in arc transition; the welding has hollow pivot 9 on base 2, and bubble spirit level 4 is located hollow pivot 9, through screw fixedly connected with rotor plate 10 on the spirit level body 1, has seted up second through-hole 11 on rotor plate 10, and rotor plate 10 rotates through second through-hole 11 and installs on hollow pivot 9.

The supporting legs comprise a first supporting rod 12 and a second supporting rod 13, the first supporting rod 12 is of a hollow structure, the second supporting rod 13 is arranged in the hollow structure of the first supporting rod 12 in a sliding mode, a threaded hole is formed in the first supporting rod 12, a screw 14 is connected to the threaded hole in an internal thread mode, and a rotating wheel 15 is welded on the screw 14; three rectangular channels 16 are formed in the bottom of the fixing block 3, a first fixing shaft 17 is welded in the rectangular channels 16, a third through hole 18 is formed in the upper end of the first supporting rod 12, and the first supporting rod 12 is rotatably connected with the first fixing shaft 17 through the third through hole 18. As shown in fig. 3, a U-shaped groove 19 is formed at the lower end of the second support rod 13, a second fixing shaft 20 is welded in the U-shaped groove 19, and a tapered rod 21 is rotatably connected to the second fixing shaft 20.

The utility model discloses a use method as follows:

when the level gauge is used, the second support rod 13 is pulled first, the second support rod 13 is pulled out from the hollow structure of the first support rod 12, then the rotating wheel 15 is rotated to fix the second support rod 13 and prevent the second support rod from sliding, if the level gauge body 1 is installed on unstable ground, the conical rod 21 is rotated to rotate the conical rod 21 to be in a straight line with the second support rod 13, and then the conical rod 21 is inserted into the ground to be fixed by the conical part of the conical rod 21.

The dead lever 7 rotates, through rotatory compression sleeve 6, make compression sleeve 6 be in the non-compression state to universal ball 5, at this moment, the operator holds base 2 with both hands, swing base 2 all around, base 2 swings under universal ball 5's roll, in-process, the bubble spirit level 4 that is located on base 2 is watched to the operator low-head, until the bubble of bubble spirit level 4 is located the intermediate position, then reverse rotation dead lever 7, rotatory compression sleeve 6, compression sleeve 6 downstream, implement to compress tightly universal ball 5, universal ball 5 can not rotate again.

And finally, inserting the rotating plate 10 on the level body 1 on the hollow rotating shaft 9, so that the hollow rotating shaft 9 can rotate on the second through hole 11, and the rotatable function of the level body 1 is realized.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. The utility model provides a surveyor's level for survey and drawing, includes spirit level body, three landing legs and base, be provided with bubble spirit level, its characterized in that on the upper surface of base: the support leg is hinged to the fixing block, an arc-shaped groove is formed in one end, far away from the support leg, of the fixing block, a universal ball is rotatably connected in the arc-shaped groove, and the universal ball is fixedly connected with the lower surface of the base; the universal ball bearing is characterized in that external threads are arranged on the circumference of the fixed block, a compression sleeve is sleeved on the fixed block and is in threaded connection with the fixed block, and a first through hole for a universal ball to pass through is formed in the compression sleeve; the bubble level gauge is positioned in the hollow rotating shaft, the level gauge body is fixedly connected with a rotating plate, a second through hole is formed in the rotating plate, and the rotating plate is rotatably connected to the hollow rotating shaft through the second through hole; the landing leg includes first branch and second branch, first branch is hollow structure, second branch slides and sets up in the hollow structure of first branch, be provided with the screw hole on the first branch, screw hole female connection has the screw rod, fixedly connected with swiveling wheel on the screw rod.

2. A level for surveying and mapping as defined in claim 1, wherein: the bottom of the fixed block is provided with only three rectangular grooves, a first fixed shaft is fixedly connected in each rectangular groove, a third through hole is formed in one end, far away from the second supporting rod, of the first supporting rod, and the first supporting rod is rotatably connected with the first fixed shaft through the third through hole.

3. A level for surveying and mapping as defined in claim 2, wherein: one end, far away from first branch, of second branch is provided with U type groove, U type inslot fixedly connected with second fixed axle, it is connected with the toper pole to rotate on the second fixed axle.

4. A level for surveying and mapping as defined in claim 3, wherein: and the outer wall of the compression sleeve is fixedly connected with a fixed rod.

5. A surveying level according to any one of claims 1 to 4, characterized in that: the hole wall of the first through hole is in arc transition.