CN209925952U - Tripod is used in civil engineering survey and drawing - Google Patents

Abstract

The utility model discloses a tripod for civil engineering surveying and mapping, comprising three annularly distributed supporting legs, the top outer walls of the three supporting legs are connected with the same top plate through hinges, and the top outer wall of the top plate is provided with a turning sleeve hole, The lateral inner wall of the rotating sleeve hole is connected with a rotating sleeve through a bearing, the lateral outer wall of the rotating sleeve located under the top plate is sleeved with an adjustment knob, and the lateral inner wall of the rotating sleeve is connected with a threaded rod through threads, and the top outer wall of the threaded rod passes through a thrust bearing. A mounting seat is connected, and the bottom outer wall of the mounting seat is provided with three evenly distributed limit rods, and the limit rods are all inserted into the top outer wall of the top plate, and one side outer wall of the three support legs is provided with a chute. , and the side inner walls of the chute are slidably connected with telescopic legs. The utility model facilitates the micro-adjustment of the height of the surveying and mapping instrument, facilitates the short-distance movement of the tripod, prevents the tripod from tilting during installation, and facilitates the installation of the tripod.

Description

A tripod for civil engineering surveying and mapping

technical field

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

Background technique

In the planning and design, construction and operation and management stages of engineering construction, various orientation, ranging, angle measurement, altimetry, mapping and photogrammetry required for surveying work require the use of surveying and mapping instruments. When it needs to be placed on a tripod, a tripod is an important accessory for surveying and mapping.

After retrieval, the Chinese patent application number is CN201720955995.6, which discloses a tripod for civil engineering surveying and mapping, including a supporting round table, a supporting leg and a telescopic rod. A tripod for civil engineering surveying and mapping in the above-mentioned patent has the following deficiencies: when the tripod is in use, when the height of the surveying and mapping instrument installed on the tripod needs to be adjusted, the three support legs of the tripod need to be adjusted, and the adjustment is extremely difficult. inconvenient.

Utility model content

The purpose of the utility model is to propose a tripod for civil engineering surveying and mapping in order to solve the shortcomings existing in the prior art.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A tripod for civil engineering surveying and mapping, comprising three annularly distributed support legs, the top outer walls of the three support legs are connected with the same top plate through hinges, and the top outer wall of the top plate is provided with a turning hole, the side of the turning hole is The inner wall is connected with a rotating sleeve through a bearing, the lateral outer wall of the rotating sleeve located under the top plate is sleeved with an adjustment knob, and the lateral inner wall of the rotating sleeve is threadedly connected with a threaded rod, and the top outer wall of the threaded rod is connected with a mounting seat through a thrust bearing.

Further, the bottom outer wall of the mounting seat is provided with three evenly distributed limit rods, and the limit rods are all inserted into the top outer wall of the top plate.

Further, one side outer wall of the three support legs is provided with a chute, and the side inner walls of the chute are all slidably connected with telescopic legs, and one side outer wall of one support leg is provided with a strap.

Further, one side outer wall of the support leg is provided with a limit plate adapted to the telescopic leg, and one side outer wall of the limit plate is connected with a locking knob through a thread.

Further, the bottom outer wall of the telescopic leg is provided with a support block, and the vertical section of the support block is L-shaped, the bottom inner wall of the support block is provided with a block insertion slot, and the inner wall of the insertion block slot is inserted with an insertion block.

Further, a pressure plate groove is opened inside the support block, and one outer wall of the insert block is provided with a pressure plate that is slidably connected to the side inner wall of the pressure plate groove, the top inner wall of the pressure plate groove is provided with a downward pressure spring, and one end of the downward pressure spring is provided with on the top outer wall of the platen.

Further, one inner wall of the support block is provided with a clamping block groove, and one inner wall of the clamping block groove is provided with a compression spring, and one end of the compression spring is provided with a clamping block slidably connected to the inner wall of the side surface of the clamping block groove.

Further, the top of one side of the outer wall of the insert block is provided with a convex block adapted to the clamping block, and a push plate is inserted into the one side of the outer wall of the insert block below the convex block.

Further, one side of the bottom outer wall of the support block is provided with a wheel block, and the bottom outer wall of the wheel block is provided with a rolling ball groove, and the inner wall of the rolling ball groove is rollingly connected with rolling balls.

Further, a square groove is formed on an outer wall of one side of the mounting seat, and a level is provided on a side inner wall of the square groove.

The beneficial effects of the present utility model are:

1. By setting the mounting seat, the rotating sleeve and the threaded rod, the mounting plate is set above the top plate, and the threaded rod is set at the bottom of the mounting plate. The rotating sleeve can drive the mounting seat to move up and down, and then adjust the height of the surveying instrument, which is convenient Fine adjustment of the height of the plotter.

2. By setting the rolling block and the rolling ball, set the rolling block at the bottom of the support block, and set the rolling ball at the bottom of the rolling block. When the tripod needs to be moved a short distance, the staff can fold the insert block and roll The ball moves the tripod, which facilitates the short-distance movement of the tripod.

3. By setting a spirit level, a spirit level is set on one side of the mounting plate. When the tripod is installed, the level of the mounting plate can be observed through the spirit level, which prevents the tripod from tilting during installation and facilitates the installation of the tripod.

Description of drawings

1 is a schematic structural diagram of a tripod for civil engineering surveying and mapping according to Embodiment 1;

Fig. 2 is the structural representation at A place in Fig. 1;

Fig. 3 is the rotary sleeve structure schematic diagram of a kind of civil engineering surveying and mapping tripod of embodiment 1;

FIG. 4 is a schematic structural diagram of a tripod for civil engineering surveying and mapping according to Embodiment 2. FIG.

In the picture: 1- telescopic leg, 2- support leg, 3- adjustment knob, 4- limit rod, 5- mounting hole, 6- mounting seat, 7- top plate, 8- strap, 9- locking knob, 10- Threaded rod, 11-support block, 12-wheel block, 13-insertion block, 14-limit plate, 15-level ruler, 16-protrusion, 17-block, 18-push plate, 19-press plate groove, 20 - Rolling ball, 21-pressing plate, 22-pressing spring, 23-extrusion spring, 24-turning sleeve.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation , are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

Example 1:

1-3, a tripod for civil engineering surveying and mapping includes three annularly distributed support legs 2, and the top outer walls of the three support legs 2 are connected with the same top plate 7 by hinges, and the top outer wall of the top plate 7 has a turn. Sleeve hole, the side inner wall of the swivel sleeve hole is connected with a swivel sleeve 24 through a bearing, the side outer wall of the swivel sleeve 24 located under the top plate 7 is sleeved with an adjusting knob 3, and the side inner wall of the swivel sleeve 24 is connected with a threaded rod 10 through a thread. The top outer wall of the rod 10 is connected to the mount 6 by means of a thrust bearing.

In the present invention, the bottom outer wall of the mounting seat 6 is welded with three evenly distributed limit rods 4, and the limit rods 4 are all inserted into the top outer wall of the top plate 7, and the limit rods 4 prevent the mounting seat 6 from rotating.

Among them, one side outer wall of the three support legs 2 is provided with a chute, and the side inner wall of the chute is slidably connected with a telescopic leg 1, and one side outer wall of one support leg 2 is connected with a strap 8 by screws, and the telescopic leg 1 It is used to adjust the height of the tripod, and the staff can carry it through the strap 8.

One side outer wall of the support leg 2 is welded with a limit plate 14 adapted to the telescopic leg 1, and one side outer wall of the limit plate 14 is threadedly connected with a locking knob 9, and the locking knob 9 is used for locking Telescopic legs 1.

Wherein, the bottom outer wall of the telescopic leg 1 is welded with a support block 11, and the vertical cross-section of the support block 11 is L-shaped, the bottom inner wall of the support block 11 is provided with a block slot, and the inner wall of the slot is inserted with an insertion block 13, A pressure plate groove 19 is opened inside the support block 11 , and a pressure plate 21 slidably connected to the side inner wall of the pressure plate groove 19 is welded on the outer wall of one side of the insert block 13 , and a downward pressure spring 22 is welded on the top inner wall of the pressure plate groove 19 One end is welded to the top outer wall of the pressing plate 21, and the elastic force of the downward pressing spring 22 can press the tip of the insert block 13 against the ground.

One side inner wall of the support block 11 is provided with a clamping block groove, and one inner wall of the clamping block groove is welded with a compression spring 23, and one end of the compression spring 23 is welded with a clamping block 17 which is slidably connected to the inner wall of the side surface of the clamping block groove. , the top of one side of the outer wall of the plug-in block 13 is welded with a bump 16 that matches the blocking block 17, and the outer wall of the side of the plug-in block 13 located below the bump 16 is inserted with a push plate 18. When the plug-in block 13 is lifted , the blocking block 17 can be stuck on the bottom of the convex block 16 , and the blocking block 17 can be pushed into the blocking block slot by pressing the push plate 18 , and then the inserting block 13 can be dropped.

A wheel block 12 is welded on one side of the bottom outer wall of the support block 11, and the bottom outer wall of the wheel block 12 is provided with a rolling ball groove, and the inner wall of the rolling ball groove is rollingly connected with a rolling ball 20.

Working principle: In daily carrying, the staff can bring the three supporting legs 2 together and carry them through the strap 8. When in use, pull the three supporting legs 2 apart, and pull out the telescopic leg 1, and adjust the tripod to When the height is suitable, lock it with the locking knob 9, install the mapping instrument on the mounting base 6, press the push plate 18, the push plate 18 squeezes the block 17 into the groove of the block, and the elastic force of the pressing spring 22 will Drive the pressure plate 21 to press down, and then make the tip of the insert block 13 touch the ground to prevent the tripod from sliding. The staff can drive the threaded rod 10 to move up and down by turning the adjustment knob 3, and then move the mounting seat 6 up and down, and then the surveying and mapping. The height of the instrument can be fine-tuned. When the tripod needs to be moved, the staff can pull up the insert block 13 through the push plate 18, and make the bump 16 be stuck on the top of the block 17, and then make the rolling ball 20 contact the ground, so that the Tripod to move.

Example 2:

Referring to Figure 4, a tripod for civil engineering surveying and mapping, compared with Embodiment 1, in order to facilitate the detection of the levelness of the tripod during installation, a square groove is opened on the outer wall of one side of the mounting seat 6, and the side inner wall of the square groove is provided with screws. A spirit level 15 is attached.

Working principle: Compared with Embodiment 1, when the staff is installing the tripod, it can be judged whether the mounting base 6 is level by observing the spirit level, which facilitates the installation of the tripod.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (10)

1. A tripod for civil engineering surveying and mapping, comprising three annularly distributed support legs (2), characterized in that the top outer walls of the three support legs (2) are connected with the same top plate (7) by hinges, and The top outer wall of the top plate (7) is provided with a turning sleeve hole, the side inner wall of the turning sleeve hole is connected with a turning sleeve (24) through a bearing, and the lateral outer wall of the turning sleeve (24) located under the top plate (7) is sleeved with an adjustment knob (3), and a threaded rod (10) is connected to the side inner wall of the rotating sleeve (24) through threads, and a mounting seat (6) is connected to the top outer wall of the threaded rod (10) through a thrust bearing. 2. A tripod for civil engineering surveying and mapping according to claim 1, wherein the bottom outer wall of the mounting seat (6) is provided with three evenly distributed limit rods (4), and the limit rods (4) ) are inserted into the top outer wall of the top plate (7). 3. A tripod for civil engineering surveying and mapping according to claim 1, characterized in that, one outer wall of the three supporting legs (2) is provided with a chute, and the side inner wall of the chute is slidably connected with In the telescopic leg (1), a strap (8) is provided on one side outer wall of one of the supporting legs (2). 4. A tripod for civil engineering surveying and mapping according to claim 3, characterized in that, one side outer wall of the support leg (2) is provided with a limit plate (14) adapted to the telescopic leg (1). , and a locking knob (9) is connected with the outer wall of one side of the limiting plate (14) through a thread. 5 . The tripod for civil engineering surveying and mapping according to claim 3 , wherein the bottom outer wall of the telescopic leg ( 1 ) is provided with a support block ( 11 ), and the vertical section of the support block ( 11 ) is L. 6 . The inner wall of the bottom of the support block (11) is provided with an insertion block slot, and an insertion block (13) is inserted into the inner wall of the insertion block slot. 6 . The tripod for civil engineering surveying and mapping according to claim 5 , wherein a pressure plate groove ( 19 ) is opened inside the support block ( 11 ), and an outer wall of one side of the insert block ( 13 ) is provided with a A pressure plate (21) slidably connected to the inner wall of the side of the pressure plate groove (19), a downward pressure spring (22) is arranged on the top inner wall of the pressure plate groove (19), and one end of the downward pressure spring (22) is arranged on the top outer wall of the pressure plate (21). . 7 . The tripod for civil engineering surveying and mapping according to claim 5 , wherein a clamping block groove is formed on one inner wall of the support block ( 11 ), and a pressing block groove is provided on one inner wall of the clamping block groove. 8 . A spring (23), one end of the compression spring (23) is provided with a clamping block (17) slidably connected to the inner wall of the side surface of the clamping block groove. 8 . The tripod for civil engineering surveying and mapping according to claim 7 , wherein a convex block ( 16 ) adapted to the clamping block ( 17 ) is provided on the top of one side outer wall of the insert block ( 13 ). 9 . , and a push plate (18) is inserted into the outer wall of one side of the insert block (13) located below the convex block (16). 9 . The tripod for civil engineering surveying and mapping according to claim 5 , wherein a wheel block ( 12 ) is provided on one side of the bottom outer wall of the support block ( 11 ), and the bottom outer wall of the wheel block ( 12 ) is provided with a wheel block ( 12 ). 10 . A rolling ball groove is opened, and the inner wall of the rolling ball groove is rollingly connected with a rolling ball (20). 10. A tripod for civil engineering surveying and mapping according to claim 1, characterized in that a square groove is formed on one side outer wall of the mounting seat (6), and a level (15) is provided on the side inner wall of the square groove. .

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