CN219013780U - An adjustable surveying frame for topographic map surveying and mapping - Google Patents

Abstract

The utility model discloses an adjustable surveying and mapping frame for surveying and mapping of a topographic map, and particularly relates to the technical field of surveying and mapping frames, which comprises a fixed plate, wherein three telescopic rods which are distributed at equal intervals are movably connected to the outer end of the fixed plate through a hinged support, a lifting box is fixedly arranged at the bottom end of the fixed plate, a threaded cylinder is movably connected inside the lifting box through a bearing, the bottom end of the threaded cylinder penetrates through the lifting box and extends out of the bottom end of the lifting box, a worm wheel is arranged at the top end of the threaded cylinder in a penetrating manner, a worm is meshed with the left end of the worm wheel, the front end of the worm penetrates through the lifting box and extends out of the front end of the lifting box, a limiting plate is connected to the outer end of the threaded cylinder through threads, three first connecting rods are movably connected to the outer end of the limiting plate through the hinged support, and a horizontal device for observing whether the surveying and mapping frame is in a horizontal state is arranged at the bottom end of the threaded rod. The utility model is not only applicable to different terrains, but also can prevent the angle of the surveying instrument from shaking in the moving process, and improves the stability.

Description

An adjustable surveying frame for topographic map surveying and mapping

technical field

The utility model relates to the technical field of surveying and mapping frames, in particular to an adjustable surveying and mapping frame for topographic map surveying and mapping.

Background technique

Topographic surveying refers to the operation of surveying and drawing topographic maps, that is, the work of measuring the projected positions and elevations of the ground objects and topography on the horizontal plane on the earth's surface, reducing them in a certain proportion, and drawing them into topographic maps with symbols and notes. Topographic surveying Mainly adopt aerial photogrammetry methods, including control measurement and fragmentary surveying. According to the different instruments used, fragmentary surveying is mainly divided into flat plate surveying method, small plate instrument and theodolite combined surveying method, theodolite surveying method, etc. Most of the adjustable tripods used in topographic surveying and mapping are very simple devices. It is difficult to adjust the height and angle, which is not convenient for the staff to survey and map. The operation is not simple enough, and it is not suitable for wide use. adjustable tripod stand.

For example, in the Chinese patent application with the application number 202121859168.X, a threaded block is fixedly connected between the left and right sides of the inner cavity of the sleeve, the inner side wall of the threaded block is threaded with a threaded rod, and the bottom of the threaded block The end is fixedly connected with a first support foot, the left side wall of the sleeve is provided with a first arc plate, the right side wall of the sleeve is provided with a second arc plate, the first arc plate and the second arc plate The two arc plates are threadedly connected by bolts, the inner side walls of the first arc plate and the second arc plate are fixedly connected with elastic blocks, the inner walls of the first arc plate and the second arc plate Moreover, the outer walls of the elastic block are fixedly connected with first springs, and the opposite ends of the two sets of first springs are fixedly connected with clamping plates.

There are still the following problems in this technology: the second support leg at the bottom in the surveying tripod in this technical solution is fixed at the bottom and cannot be adjusted, and cannot be applied to uneven terrain, and the device is still in the process of moving. The angle is easy to rotate.

Utility model content

The purpose of this utility model is to provide an adjustable surveying frame for topographic map surveying and mapping, which can not only make the utility model suitable for different terrains, but also prevent the angle of the surveying instrument from shaking during the moving process, improve stability, and solve technical problems. the above-mentioned deficiencies.

In order to achieve the above object, the utility model provides the following technical solutions: an adjustable surveying frame for topographic map surveying and mapping, including a fixed plate, the outer end of the fixed plate is movably connected with three telescopic rods distributed at equal intervals through a hinge seat, the The bottom of the fixed plate is fixed with a lifting box, and the interior of the lifting box is movably connected with a threaded cylinder through a bearing. The bottom of the threaded cylinder runs through the lifting box and extends out of the bottom of the lifting box. The left end of the worm gear is engaged with a worm, and the front end of the worm runs through the lifting box and extends out of the front end of the lifting box. Connecting rod, the end of the first connecting rod away from the limit plate is movably connected with the inner side of the telescopic rod through the hinge seat, the inside of the threaded cylinder is movably connected with a threaded rod through a bearing, and the bottom end of the threaded rod is provided with a A horizontal device that checks whether the rack is in a horizontal state.

Preferably, the horizontal device includes an alarm box fixed on the bottom end of the threaded rod, the interior of the alarm box is movably connected to a limit block through a chute, the bottom end of the limit block is fixed with a connecting rope, and the bottom end of the connecting rope A lead block is fixed, an alarm is fixed on the top of the alarm box, and a light touch switch for controlling the alarm is arranged inside the alarm box. level state.

Preferably, the top of the fixing plate is movably connected with a first rotating shaft through a bearing, the top of the first rotating shaft is fixedly provided with a placement plate, the top of the first rotating shaft runs through a first bevel gear, and the first bevel gear is located at At the bottom end of the plate, the left end of the first bevel gear meshes with a second bevel gear, and a second rotating shaft is fixed inside the second bevel gear, and the left end of the second rotating shaft runs through the support plate and extends out of the left end of the support plate. The second rotating shaft is movably connected to the support plate through a bearing, and the support plate is fixed on one side of the top of the fixed plate, so that the angle of the surveying instrument can be adjusted.

Preferably, a handle is fixed at the front end of the worm to facilitate turning the worm.

Preferably, the bottom end of the alarm box is fixed with three second connecting rods, the second connecting rods are evenly distributed at the bottom end of the alarm box, and the bottom ends of the three second connecting rods are fixed with the same tripod for Observe in which direction the lead weight leans.

Preferably, the bottom end of the telescopic rod is movably connected to a telescopic tube through a bearing, a support rod is provided inside the telescopic tube, the outer end of the telescopic tube is connected to a bolt through a thread, and the right end of the bolt is plugged into the telescopic tube, This makes the utility model applicable to uneven terrain.

In the above-mentioned technical scheme, the technical effects and advantages provided by the utility model:

1. When adjusting the height of the utility model, by turning the handle, the handle drives the limit plate, and the limit plate is used to drive the telescopic rod to extend the telescopic rod, so that the height of the utility model can be adjusted. When the ground is uneven, lead block displacement, an alarm is triggered to inform the staff that the surveying and mapping bracket is not in a horizontal state, and the staff needs to turn the bolt by hand to pull out the support rod inside the telescopic tube, and adjust the level of the surveying and mapping bracket to make it suitable for unevenness For uneven terrain, the utility model can be applied to different terrains by adjusting the support rod;

2. When adjusting the angle of the surveying instrument, turn the second rotating shaft by hand, the second rotating shaft can drive the first bevel gear to rotate, and use the first bevel gear to drive the placement plate to rotate, so as to adjust the angle of the surveying instrument, through the second The meshing of the thread between the bevel gear and the first bevel gear can prevent the angle of the surveying instrument from shaking during the movement and improve the stability.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings that need to be used in the embodiments will be briefly introduced below. For some embodiments described, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1 is the bottom view of the utility model;

Fig. 2 is the cross-sectional view of support plate and lifting box of the present utility model;

Fig. 3 is the top view of the utility model;

Fig. 4 is the sectional view of the alarm box of the present utility model;

Fig. 5 is a right view of the utility model.

Explanation of reference signs:

1 fixed plate, 2 telescopic rod, 3 lifting box, 4 threaded barrel, 5 worm gear, 6 worm, 7 limiting plate, 8 first connecting rod, 9 threaded rod, 10 alarm box, 11 limiting block, 12 connecting rope, 13 lead block, 14 tact switch, 15 alarm, 16 telescopic cylinder, 17 support rod, 18 bolt, 19 first rotating shaft, 20 placing plate, 21 first bevel gear, 22 second bevel gear, 23 second rotating shaft, 24 tripods, 25 second connecting rods, 26 handles, 27 support plates.

Detailed ways

In order to make those skilled in the art better understand the technical solution of the utility model, the utility model will be further introduced in detail below in conjunction with the accompanying drawings.

The utility model provides an adjustable surveying and mapping frame for topographic map surveying and mapping as shown in Figures 1-5, comprising a fixed plate 1, and the outer end of the fixed plate 1 is movably connected with three equidistant telescopic rods 2 through a hinge seat , the bottom end of the fixed plate 1 is fixed with a lifting box 3, the interior of the lifting box 3 is movably connected with a threaded cylinder 4 through a bearing, the bottom end of the threaded cylinder 4 runs through the lifting box 3 and extends out of the bottom end of the lifting box 3, The top of the threaded cylinder 4 is penetrated with a worm wheel 5, and the left end of the worm wheel 5 is engaged with a worm 6. The front end of the worm 6 runs through the lifting box 3 and extends out of the front end of the lifting box 3. The outer end of the threaded cylinder 4 is limited by threaded connection. Position plate 7, the outer end of the limit plate 7 is movably connected with three first connecting rods 8 through the hinge seat, and the end of the first connecting rod 8 away from the limit plate 7 is movably connected with the inner side of the telescopic rod 2 through the hinge seat , the inside of the threaded barrel 4 is movably connected with a threaded rod 9 through a bearing, and the front end of the worm 6 is fixedly provided with a handle 26;

When it is necessary to adjust the height of the utility model, turn the handle 26 by hand, the handle 26 can drive the worm 6 to rotate, the right end of the worm 6 is engaged with the worm wheel 5, the worm 6 can drive the worm wheel 5 to rotate, the worm wheel 5 is penetrated with a threaded cylinder 4, the worm wheel 5 can drive the threaded cylinder 4 to rotate, and the outer end of the threaded cylinder 4 is connected to the limiting plate 7 by threads, and the threaded cylinder 4 can drive the limiting plate 7 to move up and down, and the outer end of the limiting plate 7 is connected with the first connecting rod 8 through the hinge seat. One end of the first connecting rod 8 is movably connected with the telescopic rod 2 through the hinge seat, so that the limit plate 7 can drive the telescopic rod 2 to expand and contract while moving, so that the height of the utility model can be adjusted.

As shown in Figures 1, 3, and 4, the bottom end of the threaded rod 9 is provided with a horizontal device for observing whether the surveying and mapping frame is in a horizontal state, and the horizontal device includes an alarm box 10 fixed on the bottom end of the threaded rod 9. The inside of the box 10 is movably connected to the limit block 11 through a chute, the bottom end of the limit block 11 is fixedly provided with a connecting rope 12, the bottom end of the connecting rope 12 is fixedly provided with a lead block 13, and the top end of the alarm box 10 is fixedly provided with There is an alarm 15, the inside of the alarm box 10 is provided with a tact switch 14 for controlling the alarm 15, the limit block 11 is located directly below the tact switch 14, and the bottom of the alarm box 10 is fixedly provided with three second Connecting rods 25, the second connecting rods 25 are evenly distributed at the bottom of the alarm box 10, the bottom ends of the three second connecting rods 25 are fixed with the same tripod 24, and the bottom ends of the telescopic rods 2 move through bearings Connected with a telescopic cylinder 16, the interior of the telescopic cylinder 16 is provided with a support rod 17, the outer end of the telescopic cylinder 16 is threadedly connected with a bolt 18, and the right end of the bolt 18 is plugged into the telescopic cylinder 16;

When the ground where the utility model is located is uneven, the lead weight 13 positioned at the bottom of the alarm box 10 is displaced, the top of the lead weight 13 is fixedly provided with a connecting rope 12, and the top of the connecting rope 12 is fixedly provided with a limit block 11, so that the lead weight 13 It can drive the limit block 11 to move, and the limit block 11 is shifted inside the alarm box 10. The movement of the limit block 11 can touch the light touch switch 14, so that the alarm 15 can alarm and inform the staff that the surveying and mapping support is not in the level state, by observing which telescopic rod 2 the lead weight 13 leans toward inside the tripod 24, and then by adjusting the telescopic tube 16 provided at the bottom of the telescopic rod 2, the staff needs to turn the bolt 18 by hand, and the support inside the telescopic tube 16 Bar 17 is pulled out, is adjusted to alarm 15 and does not report to the police, then tightens bolt 18, thereby surveying and mapping support is positioned at horizontal state, by adjusting support bar 17, the utility model can be made applicable to different terrains.

As shown in Figures 1, 3, and 5, the top of the fixed plate 1 is movably connected with a first rotating shaft 19 through a bearing, the top of the first rotating shaft 19 is fixedly provided with a placement plate 20, and the top of the first rotating shaft 19 runs through a second A bevel gear 21, the first bevel gear 21 is located at the bottom end of the placement plate 20, the left end of the first bevel gear 21 is meshed with a second bevel gear 22, and the second bevel gear 22 is fixed with a second rotating shaft 23 inside , the left end of the second shaft 23 runs through a support plate 27 and extends out of the left end of the support plate 27, the second shaft 23 and the support plate 27 are movably connected by bearings, and the support plate 27 is fixed on the top side of the fixed plate 1 ;

When adjusting the angle of the surveying instrument, turn the second rotating shaft 23 by hand, the second rotating shaft 23 can drive the second bevel gear 22 to rotate, the top of the second bevel gear 22 is engaged with the first bevel gear 21, and the second bevel gear 22 can drive The first bevel gear 21 rotates, and the top of the first bevel gear 21 is provided with a placement plate 20. The first bevel gear 21 is used to drive the placement plate 20 to rotate, so that the angle of the surveying instrument can be adjusted. Through the second bevel gear 22 and the first bevel The meshing of the threads between the gears 21 can prevent the angle of the surveying instrument from shaking during the moving process and improve the stability.

Some exemplary embodiments of the present utility model have been described above only by way of illustration. Undoubtedly, for those skilled in the art, without departing from the spirit and scope of the present utility model, various Modifications are made to the described embodiments. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims (6)

1. Survey and drawing frame with adjustable topography survey and drawing is used, including fixed plate (1), its characterized in that: the utility model discloses a horizontal surveying device, including fixed plate (1), telescopic link (2) that fixed plate (1) outer end has three equidistant distributions through free bearing swing joint, fixed plate (1) bottom mounting is equipped with lift case (3), inside threaded section of thick bamboo (4) that has through bearing swing joint of lift case (3), lift case (3) bottom is run through to threaded section of thick bamboo (4) bottom, threaded section of thick bamboo (4) top runs through and is equipped with worm wheel (5), worm wheel (5) left end meshing has worm (6), worm (6) front end runs through lift case (3) and extends lift case (3) front end, threaded section of thick bamboo (4) outer end has limiting plate (7) through threaded connection, the one end that limiting plate (7) were kept away from to first connecting rod (8) is all through free bearing swing joint with telescopic link (2) inboard, threaded rod (9) are run through inside threaded rod (4), whether be equipped with the horizontal surveying device that is used for the level to survey and drawing the state.

2. An adjustable mapping frame for mapping a topography as claimed in claim 1, wherein: the horizontal device comprises an alarm box (10) fixed at the bottom end of a threaded rod (9), a limiting block (11) is movably connected inside the alarm box (10) through a sliding groove, a connecting rope (12) is fixedly arranged at the bottom end of the limiting block (11), a lead block (13) is fixedly arranged at the bottom end of the connecting rope (12), an alarm (15) is fixedly arranged at the top end of the alarm box (10), a tact switch (14) for controlling the alarm (15) is arranged inside the alarm box (10), and the limiting block (11) is located under the tact switch (14).

3. An adjustable mapping frame for mapping a topography as claimed in claim 1, wherein: the utility model discloses a fixed plate (1) top is through bearing swing joint has first pivot (19), first pivot (19) top is fixed to be equipped with places board (20), first bevel gear (21) have been run through on first pivot (19) top, first bevel gear (21) are located places board (20) bottom, first bevel gear (21) left end meshing has second bevel gear (22), second bevel gear (22) inside is fixed to be equipped with second pivot (23), second pivot (23) left end runs through there is backup pad (27) and extends backup pad (27) left end, second pivot (23) are through bearing swing joint with backup pad (27), backup pad (27) are fixed to be established in fixed plate (1) top one side.

4. An adjustable mapping frame for mapping a topography as claimed in claim 1, wherein: a handle (26) is fixedly arranged at the front end of the worm (6).

5. An adjustable mapping frame for mapping a topography as claimed in claim 2, wherein: the alarm box (10) bottom mounting is equipped with three second connecting rod (25), second connecting rod (25) evenly distributed is in alarm box (10) bottom, and three second connecting rod (25) bottom mounting is equipped with same tripod (24).

6. An adjustable mapping frame for mapping a topography as claimed in claim 1, wherein: the telescopic rod is characterized in that the bottom end of the telescopic rod (2) is movably connected with a telescopic cylinder (16) through a bearing, a supporting rod (17) is arranged inside the telescopic cylinder (16), a bolt (18) is connected to the outer end of the telescopic cylinder (16) through threads, and the right end of the bolt (18) is inserted into the telescopic cylinder (16).

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