CN209782091U

CN209782091U - Civil engineering mapping device A-frame

Info

Publication number: CN209782091U
Application number: CN201920320887.0U
Authority: CN
Inventors: 陆露; 戚建华
Original assignee: Hangzhou Vocational and Technical College
Current assignee: Hangzhou Vocational and Technical College
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2019-12-13
Anticipated expiration: 2029-03-14

Abstract

The utility model discloses a civil engineering mapping device A-frame, including mapping device fixed platform, mapping device fixed platform's lower terminal surface is equipped with the lifter, mapping device fixed platform's below is equipped with the pedestal, be equipped with manual rocker on the pedestal, first supporting shoe connection second supporting shoe is passed to the one end of manual rocker, be equipped with drive gear between first supporting shoe and the second supporting shoe, the upper end of pedestal is close to the edge and is equipped with the surveyor's level. The utility model discloses a civil engineering surveying and mapping device triangular support, is provided with a support frame device, a manual rocker, a transmission gear and a lifting rod, the support frame device is not easy to change the support leg angle, and the stability is strong; the manual rocker with the transmission gear and the lifting rod are arranged, so that the fixing platform of the horizontal surveying and mapping device can vertically ascend and descend, and the levelness of the table base on the upper end face of the support is prevented from being readjusted.

Description

Civil engineering mapping device A-frame

Technical Field

the utility model relates to a A-frame field, in particular to civil engineering mapping device A-frame.

background

surveying and mapping refers to measuring and collecting the shape, size, spatial position, attributes and the like of natural geographic elements or surface artificial facilities, a measuring instrument is required to be used in the whole surveying and mapping process, and the measuring instrument must be placed on a triangular support frame to ensure that the surveying and mapping are more accurate; but the current civil engineering surveying and mapping device triangular support still has some defects in use: the conventional triangular support for measurement at present has the defects of small changeable angle, difficult length control, incapability of adapting to complicated and variable roadway ground, and no support rod fixedly connected between support legs, so that the angle of the support legs is easy to change, the stability is poor, the support legs are easy to shift or topple, and inaccurate measurement or broken instruments and the like are caused; when the traditional tripod is used for adjusting the height, the levelness of an instrument bearing platform can be influenced, certain influence is caused on measurement, the height can be adjusted only by a large margin, and meanwhile, when the levelness of the device needs to be adjusted, the adjustment can be carried out only by adjusting the telescopic length of the supporting legs, which is troublesome; therefore, we propose a tripod of the civil engineering surveying and mapping device.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a civil engineering mapping device A-frame can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

A tripod for a civil engineering surveying and mapping device comprises a surveying and mapping device fixing platform, wherein a lifting rod is arranged on the lower end face of the surveying and mapping device fixing platform, a pedestal is arranged below the surveying and mapping device fixing platform, a manual rocker is arranged on the pedestal, one end of the manual rocker penetrates through a first supporting block to be connected with a second supporting block, a transmission gear is arranged between the first supporting block and the second supporting block, a level gauge is arranged at the upper end part of the pedestal, the edge of the upper end part of the pedestal is close to the edge, an upper supporting leg is arranged at the lower end part of the pedestal, a locking sleeve is arranged at one end part of the upper supporting leg, a fixed block is arranged on the locking sleeve and hinged with one end of a supporting rod, the other end of the supporting rod is connected with the locking sleeve, a limiting bolt for connecting a central, the lower end of the lower supporting leg is provided with a fixedly connected grabbing foot.

preferably, the locking sleeve is provided with a locking knob connected with the lower supporting leg.

Preferably, the foot-operated force applying handle is arranged on the foot-operated grab foot.

Preferably, the upper supporting leg is a hollow square tube.

Preferably, the manual rocker is Z-shaped, and a sleeve is arranged on the hand-cranking part.

Preferably, the lifting rod is provided with saw teeth with the same pitch as the transmission gear.

Preferably, the upper supporting leg is composed of three legs, and one end parts of the three legs are equally hinged on the pedestal.

Preferably, the central rod, the lock sleeve, the limiting bolt and the support rod form a support frame device.

Preferably, a rotating seat is arranged at the center of the fixed platform of the surveying and mapping device.

compared with the prior art, the utility model discloses following beneficial effect has:

In the utility model, the lower end of the pedestal is provided with the supporting frame device, so that the angle of the supporting leg is not easy to change, the stability is strong, and the toppling caused by the displacement or the instability of the triangular support is avoided; through setting up a manual rocker and a lifter that have drive gear, make the surveying device fixed platform that is in the level can go up the decline, avoided making a round trip to adjust the height of the length control surveying device fixed platform of supporting leg, reduced the step and saved the time, avoided the levelness of readjustment support's up end platform.

Drawings

FIG. 1 is a schematic view of the whole structure of a tripod of the civil engineering surveying and mapping device of the present invention;

FIG. 2 is a schematic view of the whole structure of a tripod of the civil engineering surveying and mapping device of the present invention;

FIG. 3 is a view A of the tripod for civil engineering surveying and mapping of the present invention;

FIG. 4 is a perspective view of a pedestal portion of a tripod for a civil engineering surveying and mapping apparatus of the present invention;

Figure 5 is the utility model relates to a civil engineering mapping device A-frame's partial structure schematic diagram.

In the figure: 1. an upper support leg; 2. a fixed block; 3. grabbing ground feet; 4. a pedestal; 5. a manual rocker; 6. a level gauge; 7. fixing the platform by the surveying and mapping device; 8. a lifting rod; 9. a center pole; 10. an opening; 11. a lock sleeve; 12. a limit bolt; 13. a support bar; 14. a first support block; 15. a second support block; 16. a transmission gear; 17. a lower support leg; 18. and a locking sleeve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, a tripod for civil engineering surveying and mapping device comprises a surveying and mapping device fixing platform 7, a lifting rod 8 is arranged on the lower end surface of the surveying and mapping device fixing platform 7, a pedestal 4 is arranged below the surveying and mapping device fixing platform 7, a manual rocker 5 is arranged on the pedestal 4, one end of the manual rocker 5 passes through a first supporting block 14 to be connected with a second supporting block 15, a transmission gear 16 is arranged between the first supporting block 14 and the second supporting block 15, a level gauge 6 is arranged at the upper end part of the pedestal 4 near the edge, an upper supporting leg 1 is arranged at the lower end part of the pedestal 4, a locking sleeve 18 is arranged at one end part of the upper supporting leg 1, a fixed block 2 is arranged on the locking sleeve 18, the fixed block 2 is hinged with one end of a supporting rod 13, the other end of the supporting rod 13 is connected with a locking sleeve 11, one side of the locking sleeve 18 is provided with a lower supporting leg 17, and the lower end of the lower supporting leg 17 is provided with a grab foot 3 which is fixedly connected;

The locking sleeve 18 is provided with a locking knob connected with the lower supporting leg 17; the foot-operated force applying handle is arranged on the foot-grabbing foot 3; the upper supporting leg 1 is a hollow square tube; the manual rocker 5 is Z-shaped, and a sleeve is arranged on the hand-cranking part; the lifting rod 8 is provided with saw teeth with the same pitch as the transmission gear 16; the upper supporting leg 1 consists of three supporting legs, and one end parts of the three supporting legs are equally hinged on the pedestal 4; the central rod 9, the lock sleeve 11, the limiting bolt 12 and the support rod 13 form a support frame device; the center of the surveying and mapping device fixing platform 7 is provided with a rotating seat.

It should be noted that the utility model relates to a civil engineering surveying and mapping device tripod, when in use, the tripod is placed on the ground, the upper supporting leg 1 of the tripod is supported, the locking sleeve 18 of the lower end part of the upper supporting leg 1 pulls the supporting rod 13 hinged with the fixed block 2, the locking sleeve 11 of the other end of the supporting rod 13 moves downwards along the central rod 9 and is influenced by the limit bolt 12 connected inside the central rod 9 through the opening 10, the locking sleeve 11 can only vertically move upwards and downwards, so that the distance between the central rod 9 and the upper supporting leg 1 composed of three supporting legs is the same, the stability of the tripod is ensured, after the three supporting legs are adjusted to proper angles, the locking sleeve 11 is fixed with the central rod 9 by screwing the limit bolt 12, the upper supporting leg 1 can not move, the angle of the upper supporting leg 1 is not easy to change, the problem that inaccurate measurement or the instrument is damaged due to shift or toppling over is avoided, when encountering uneven mud, the foot is used for stepping on a force application handle on the foot grabbing 3 to firmly step the foot grabbing 3 into the ground, the locking knob on the locking sleeve 18 is loosened at the lower end part of the upper supporting leg 1, the lower supporting leg 17 in the upper supporting leg 1 can move due to the loosening of the locking knob, the level 6 close to the edge on the pedestal 4 is observed by adjusting the length of the three lower supporting legs 17, when the pedestal 4 at the upper end part of the triangular support is in a horizontal state, the locking knob is screwed again to lock the lower supporting leg 17, when the height of the normal flat ground needs to be adjusted, the manual rocker 5 extending out of the side surface of the pedestal 4 is rotated, the transmission gear 16 fixedly connected on the manual rocker 5 rotates, the lifting rod 8 in gear transmission connection with the transmission gear 16 moves up and down linearly, the fixing platform 7 moves along with the manual rocker, and after the triangular support of the civil engineering surveying and mapping device is, the surveying instrument is placed on the surveying device fixing platform 7 for measurement.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a civil engineering mapping device A-frame, includes mapping device fixed platform (7), its characterized in that: the lower terminal surface of mapping device fixed platform (7) is equipped with lifter (8), the below of mapping device fixed platform (7) is equipped with pedestal (4), be equipped with manual rocker (5) on pedestal (4), the one end of manual rocker (5) is passed first supporting shoe (14) and is connected second supporting shoe (15), be equipped with drive gear (16) between first supporting shoe (14) and second supporting shoe (15), the upper end of pedestal (4) is close to the edge and is equipped with surveyor's level (6), the lower tip of pedestal (4) is equipped with support leg (1), the tip of going up support leg (1) is equipped with lock sleeve (18), be equipped with fixed block (2) on lock sleeve (18), fixed block (2) are articulated with the one end of bracing piece (13), the other end and the lock sleeve (11) of bracing piece (13) are connected, be equipped with spacing bolt (12) of connecting well core rod (9) on lock sleeve (11), open-ended (10) have been seted up on well core rod (9), one side of lock sleeve (18) is equipped with lower supporting leg (17), the lower extreme of lower supporting leg (17) is equipped with fixed connection's lower margin (3) of grabbing.

2. The civil engineering surveying device triangular support of claim 1, characterized in that: and the locking sleeve (18) is provided with a locking knob connected with the lower supporting leg (17).

3. the civil engineering surveying device triangular support of claim 1, characterized in that: the foot grabbing leg (3) is provided with a foot-treading force application handle.

4. The civil engineering surveying device triangular support of claim 1, characterized in that: the upper supporting legs (1) are hollow square tubes.

5. The civil engineering surveying device triangular support of claim 1, characterized in that: the manual rocker (5) is Z-shaped, and a sleeve is arranged on the hand-cranking part.

6. The civil engineering surveying device triangular support of claim 1, characterized in that: the lifting rod (8) is provided with sawteeth with the same pitch as the transmission gear (16).

7. The civil engineering surveying device triangular support of claim 1, characterized in that: the upper supporting leg (1) consists of three supporting legs, and one end parts of the three supporting legs are equally hinged on the pedestal (4).

8. The civil engineering surveying device triangular support of claim 1, characterized in that: the central rod (9), the lock sleeve (11), the limiting bolt (12) and the support rod (13) form a support frame device.

9. the civil engineering surveying device triangular support of claim 1, characterized in that: and a rotary seat is arranged at the center of the mapping device fixing platform (7).