SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a land survey device for real estate development possesses the advantage of the installation of being convenient for, and the mounting means of having solved current spirit level is very loaded down with trivial details, and installation operation needs the more time of cost, has consequently reduced people's work efficiency, can not satisfy people's user demand's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a land survey device for real estate development comprises a placing table, wherein positioning blocks are fixedly connected to two ends of the placing table top, an operating box is fixedly connected to the middle end of the placing table top, limiting blocks are fixedly connected to two sides of the operating box, a bidirectional threaded rod is movably connected to the middle end of an inner cavity of the operating box through a bearing, movable blocks are respectively in threaded connection with two ends of the surface of the bidirectional threaded rod, movable rods are respectively in movable connection with two ends of the surface of each movable block through movable pins, a pin block is movably connected between the other ends of the two movable rods through the movable pins, the surface of each pin block is movably connected to the inner surface of each limiting block, a mounting seat is placed at the top of the placing table, a level body is fixedly mounted at the top of the mounting seat, a positioning groove is formed in the middle end of the front surface of the mounting seat, and pin holes, and positioning holes are formed in two ends of the bottom of the mounting seat.
Preferably, the front surface of the bidirectional threaded rod is fixedly connected with a force application knob which is positioned on the outer side of the operation box, and the surface of the force application knob is provided with an anti-skid groove.
Preferably, the right side of the level body is provided with an observation window, and the left side of the level body is fixedly provided with a lens.
Preferably, the bottom of the placing table is movably connected with three movable loop bars through ball pins, and the distance between every two adjacent movable loop bars is equal.
Preferably, the lower end of the movable sleeve rod is in threaded connection with a locking bolt, and the inner surface of the movable sleeve rod is movably connected with a supporting bottom rod.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a mount pad of spirit level body bottom is placed at the top of placing the platform, make the locating piece insert in the surface of locating hole, the control box is placed in the inside of constant head tank, through the setting of locating piece and locating hole, can carry on spacing to the horizontal direction between mount pad and the placing platform, control two-way threaded rod to rotate simultaneously, two-way threaded rod can drive the movable block to approach each other along the surface of two-way threaded rod while rotating, drive the movable rod to approach each other while the movable block moves, make the movable rod support the round pin piece, the round pin piece moves to the outside of control box along the inner surface of stopper under the effect that the movable rod supported, until the round pin piece inserts in the pinhole on the mount pad, reach and carry on spacing purpose to the vertical direction between mount pad and the placing platform, under the effect of whole cooperation, the purpose of carrying on fixing fast between mount pad and the placing platform is realized, and then reached the effect of carrying out quick installation to the surveyor's level body, very big saving the required time of installation, satisfied people's user demand, it is very loaded down with trivial details to have solved current surveyor's level's mounting means, and the installation operation needs the more time of cost, has consequently reduced people's work efficiency, can not satisfy people's user demand's problem.
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.
In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-3, a land survey device for real estate development comprises a placing table 4, the bottom of the placing table 4 is movably connected with movable loop bars 1 through ball pins, the number of the movable loop bars 1 is three, the distance between two adjacent movable loop bars 1 is equal, the lower ends of the movable loop bars 1 are in threaded connection with locking bolts 3, the inner surface of the movable loop bars 1 is movably connected with a supporting bottom bar 2, both ends of the top of the placing table 4 are fixedly connected with positioning blocks 11, the middle end of the top of the placing table 4 is fixedly connected with an operating box 9, both sides of the operating box 9 are fixedly connected with limiting blocks 17, the middle end of the inner cavity of the operating box 9 is movably connected with a bidirectional threaded rod 20 through a bearing, the front surface of the bidirectional threaded rod 20 is fixedly connected with a stress application knob 14 positioned at the outer side of the operating box 9, the surface of the stress application knob 14 is provided with an anti-slip groove 15, both ends of, the two ends of the surface of the movable block 12 are movably connected with movable rods 16 through movable pins, a pin block 18 is movably connected between the other ends of the two movable rods 16 through movable pins, the surface of the pin block 18 is movably connected with the inner surface of a limiting block 17, an installation seat 5 is placed at the top of the placing table 4, a level body 7 is fixedly installed at the top of the installation seat 5, an observation window 6 is arranged at the right side of the level body 7, a lens 8 is fixedly installed at the left side of the level body 7, a positioning groove 19 is formed in the middle end of the front surface of the installation seat 5, pin holes 13 are formed in the two sides of the positioning groove 19, positioning holes 10 are formed in the two ends of the bottom of the installation seat 5, the positioning block 11 is inserted into the surface of the positioning hole 10 by placing the installation seat 5 at the bottom of the level body 7 at the top of the placing table 4, the operation, can limit the horizontal direction between the mounting seat 5 and the placing platform 4, and simultaneously control the two-way threaded rod 20 to rotate, the two-way threaded rod 20 can drive the movable block 12 to approach each other along the surface of the two-way threaded rod 20 while rotating, the movable block 12 drives the movable rod 16 to approach each other while moving, so that the movable rod 16 supports the pin block 18, the pin block 18 moves towards the outer side of the operation box 9 along the inner surface of the limit block 17 under the supporting action of the movable rod 16 until the pin block 18 is inserted into the pin hole 13 on the mounting seat 5, so as to achieve the purpose of limiting the vertical direction between the mounting seat 5 and the placing platform 4, and under the action of integral cooperation, the purpose of quickly fixing the mounting seat 5 and the placing platform 4 is achieved, thereby achieving the effect of quickly mounting the leveling instrument body 7, and greatly saving the time required by mounting, the use requirements of people are met, the problems that the existing level is extremely complex in installation mode, installation operation needs to spend more time, the work efficiency of people is reduced, and the use requirements of people cannot be met are solved.
All the components in the utility model are universal standard components or components known by technicians in the field, the structure and principle of the components are known by technicians in the technical manual or known by conventional experimental methods, standard parts used in the application document can be purchased from the market, the components in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each component adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, machines, parts and equipment adopt conventional models in the prior art, the control mode is automatically controlled by a controller, a control circuit of the controller can be realized by simple programming of technicians in the field, the components belong to the common knowledge in the field, and the application document is mainly used for protecting mechanical devices, so the control mode and circuit connection are not explained in detail in the application document, no specific description will be made herein.
When the level gauge is used, the mounting seat 5 at the bottom of the level gauge body 7 is placed at the top of the placing table 4, the positioning block 11 is inserted into the surface of the positioning hole 10, the operating box 9 is placed inside the positioning groove 19, the horizontal direction between the mounting seat 5 and the placing table 4 can be limited by the arrangement of the positioning block 11 and the positioning hole 10, the bidirectional threaded rod 20 is controlled to rotate, the bidirectional threaded rod 20 can drive the movable block 12 to approach each other along the surface of the bidirectional threaded rod 20 while rotating, the movable block 12 drives the movable rod 16 to approach each other while moving, so that the movable rod 16 supports the pin block 18, the pin block 18 moves towards the outer side of the operating box 9 along the inner surface of the limiting block 17 under the supporting action of the movable rod 16 until the pin block 18 is inserted into the pin hole 13 on the mounting seat 5, and the purpose of limiting in the vertical direction between the mounting seat 5 and the placing table 4 is achieved, under whole complex effect, realized 5 and place the purpose of carrying out quick fixed between the platform 4 to the mount pad, and then reached and carried out the effect of installing fast to surveyor's level body 7, very big saving the required time of installation, satisfied people's user demand.
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.