CN211717437U

CN211717437U - Reference measuring device for rock and soil design construction

Info

Publication number: CN211717437U
Application number: CN202020405988.0U
Authority: CN
Inventors: 孟凡象
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-10-20
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a benchmark measuring device is used in ground design construction, including the support bar, the cover is equipped with the sliding sleeve on the support bar, and fixed cover has been installed to the one end of sliding sleeve, and it has the chi board to alternate in the fixed cover, and the one end of fixed cover is equipped with first screw hole, and first screw hole female connection has first bolt. Insert the awl and insert the underground, according to actual need, the second bolt of rotatory some side positions, can change the inclination of placing of chi board, control the pulling chi board, the sliding sleeve is lateral sliding on the support bar, change the lateral position of chi board, with the bottom in the lower extreme contact soil pit of chi board, when laser level emits the laser level reference line and corresponds the benchmark scale mark of setting for on the chi board, it accords with the standard to show the soil pit degree of depth, in the whole measurement work, can not cause the chi board to place the slope because of the reason of artificially placing the chi board, ensure measuring accuracy, the problem of easily causing the chi board skew because of the artificial reason that exists among the prior art has been solved.

Description

Reference measuring device for rock and soil design construction

Technical Field

The utility model belongs to the technical field of the ground construction measurement, concretely relates to benchmark measuring device is used in ground design construction.

Background

The geotechnical engineering comprises foundation engineering, slope engineering and underground engineering, wherein the foundation engineering is required to be implemented in the initial stage of the constructional engineering, and the construction quality of the constructional engineering is directly influenced by the quality of the foundation engineering.

In general civil building engineering, need pour basic beam structure in the underground, and before pouring, need dig subaerial and establish the soil pit, until degree of depth and width accord with the design standard, at present when measuring the soil pit degree of depth, adopt laser level meter and steel rule cooperation to accomplish, during the use, debug the laser level meter, make it emit the horizontal reference line of laser, with the vertical bottom that inserts the soil pit of steel rule, until the horizontal reference line of laser shines the benchmark scale mark of setting for on the steel rule, show that the soil pit degree of depth accords with the standard promptly, the weak point that exists has: in the process that the handheld steel ruler corresponds to the laser horizontal reference line, the steel ruler is prone to being skewed due to human reasons, and therefore measurement is inaccurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a benchmark measuring device is used in ground design construction to solve the easy crooked problem of chi board that causes because of the artificial reason that exists among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a benchmark measuring device is used in ground design construction, includes the support bar, the cover is equipped with the sliding sleeve on the support bar, fixed cover has been installed to the one end of sliding sleeve, it has the chi board to alternate in the fixed cover, the one end of fixed cover is equipped with first screw hole, first screw hole female connection has first bolt, the backup pad has been installed at the both ends of support bar.

Preferably, the cross section of the supporting bar is square, and the sliding sleeve is a square sleeve.

Preferably, second threaded holes are formed in two sides of the supporting plate, a second bolt is connected to the second threaded holes in a threaded mode, and a contact plate is installed at one end of the second bolt.

Preferably, the center position of the contact plate is provided with an insertion cone, and one end of the insertion cone is provided with a conical round rod structure.

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

the utility model provides a ground is benchmark measurement device for design and construction, insert the awl and insert the underground, according to actual need, the second bolt of rotatory some side positions, can change the inclination of placing of chi board, control the pulling chi board, the sliding sleeve is lateral sliding on the support bar, change the lateral position of chi board, with the bottom in the lower extreme contact soil pit of chi board, when laser level emits the basic scale mark that laser level reference line corresponded to and set for on the chi board, show the soil pit degree of depth promptly and accord with the standard, in the whole measurement work, can not cause the chi board to place the slope because of the reason of artificially placing the chi board, guarantee measuring accuracy, the problem of easily causing the chi board to be crooked because of the artificial reason that exists among the prior art has been solved.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view in partial cutaway of FIG. 1;

FIG. 3 is a schematic top view of FIG. 1;

fig. 4 is a partially cut-away schematic view of fig. 1.

In the figure: the device comprises a support bar 1, a sliding sleeve 2, a fixed sleeve 3, a ruler plate 4, a first threaded hole 5, a first bolt 6, a support plate 7, a second threaded hole 8, a second bolt 9, a contact plate 10 and an insertion cone 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3 and 4, a reference measuring device for rock design construction comprises a support bar 1, the support bar 1 is 2 meters in length, a sliding sleeve 2 is sleeved on the support bar 1, the outer wall of the support bar 1 is in sliding fit with the inner wall of the sliding sleeve 2, the cross section of the support bar 1 is square, the sliding sleeve 2 is a square sleeve, a fixed sleeve 3 is welded and connected to the front end of the sliding sleeve 2, the fixed sleeve 3 is a square sleeve, a ruler plate 4 is inserted into the fixed sleeve 3, the ruler plate 4 is two meters in length, a first threaded hole 5 is formed in the center of the front end of the fixed sleeve 3, a first bolt 6 is connected to the first threaded hole 5 in a threaded manner, the first bolt 6 locks the first threaded hole 5, the rear end of the first bolt 6 tightly presses the front end of the ruler plate 4, the ruler plate 4 is limited to move up and down in the fixed sleeve 3 by the frictional resistance of the first bolt 6 and the ruler plate 4, support plates 7, the supporting plate 7 is a square plate structure.

Referring to fig. 1, 2, 3 and 4, the front and rear sides of the supporting plate 7 are provided with second threaded holes 8, the second threaded holes 8 are in threaded connection with second bolts 9, the lower ends of the second bolts 9 are in welded connection with the center of the upper surface of the contact plate 10, the center of the lower surface of the contact plate 10 is in welded connection with an insertion cone 11, the upper and lower heights of the insertion cone 11 are 10 cm, when the insertion cone 11 is inserted into the ground, the contact plate 10 is supported on the ground on the two sides of the earth pit more stably, and the lower end of the insertion cone 11 is provided with a conical round bar structure

In the implementation, the whole benchmark measuring device can be lifted, the ruler plate 4 is inserted into the soil pit, the contact plate 10 corresponds to two sides of the soil pit, the second bolt 9 is pressed downwards, the insertion cone 11 is inserted into the ground until the contact plate 10 contacts the ground, when the insertion cone 11 is inserted into the ground, the contact plate 10 is supported on the ground at two sides of the soil pit more stably, when the ruler plate 4 is not in a vertical state, the second bolts 9 at some side positions are rotated according to actual needs, the second bolts 9 rotate upwards or downwards in the second threaded holes 8, the supporting height of the second bolts 9 to the side of the supporting plate 7 is changed, the placing inclination of the ruler plate 4 can be changed, when the upper surfaces of all the second bolts 9 are on the same horizontal plane during the horizontal ruler measurement, the second bolts 9 are stopped to rotate, the first bolts 6 are rotated forwards in the first threaded holes 5, and the first bolts 6 are separated from the pressing of the ruler plate 4, debugging laser level appearance for it emits the horizontal reference line of laser, control pulling chi board 4, sliding sleeve 2 is horizontal slip on support bar 1, change the horizontal position of chi board 4, with the bottom in the lower extreme contact soil pit of chi board 4, when laser level appearance emits the horizontal reference line of laser and corresponds the benchmark scale mark of setting for on chi board 4, show that the soil pit degree of depth accords with the standard promptly, in the whole measurement work, can not cause chi board 4 to place the slope because of the artificial reason of placing chi board 4, ensure measuring accuracy.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a benchmark measuring device is used in geotechnical design construction, includes support bar (1), its characterized in that: the cover is equipped with sliding sleeve (2) on support bar (1), fixed cover (3) have been installed to the one end of sliding sleeve (2), it has chi board (4) to alternate in fixed cover (3), the one end of fixed cover (3) is equipped with first screw hole (5), first screw hole (5) female connection has first bolt (6), backup pad (7) have been installed at the both ends of support bar (1).

2. The reference measuring device for geotechnical design construction according to claim 1, characterized in that: the cross section of the support bar (1) is square, and the sliding sleeve (2) is a square sleeve.

3. The reference measuring device for geotechnical design construction according to claim 1, characterized in that: and second threaded holes (8) are formed in two sides of the supporting plate (7), second bolts (9) are connected to the second threaded holes (8) in a threaded mode, and a contact plate (10) is installed at one end of each second bolt (9).

4. The reference measuring device for geotechnical design construction according to claim 3, characterized in that: an inserting cone (11) is arranged at the center of the contact plate (10), and a conical round rod structure is arranged at one end of the inserting cone (11).