Disclosure of Invention
The invention aims to provide a leveling device of an engineering measuring instrument, which has the advantage of improving the stability and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a leveling device of engineering measuring instrument, includes the base, the first connecting seat of outline fixedly connected with on the base, it has the bracing piece that supports the base to rotate to be connected with through the round pin axle on the first connecting seat, it runs through and spacing sliding connection has the slide bar to be close to the border position on the base, the first circular slab of bottom fixedly connected with of slide bar, the bottom of first circular slab is equipped with the adjustment mechanism that makes the bracing piece open or accomodate, adjustment mechanism includes that the slide bar bottom is close to the border and the corresponding position of bracing piece is spacing to rotate and is connected with the screw rod, the spacing rotation is connected with the interior thread bush that carries out lifting reciprocating motion on the screw rod, the equal fixedly connected with second connecting seat of opposite face of interior thread bush and bracing piece, all is connected with the head rod that makes the bracing piece open or accomodate through the round pin axle rotation between two second connecting seats.
Preferably, the quantity of first connecting seat and bracing piece respectively has threely, and three first connecting seat and bracing piece evenly place on the outline of base, the quantity of slide bar is total three, and three slide bar evenly places on the base, the quantity of screw rod, interior thread bush respectively has threely, and three screw rod and interior thread bush evenly place on first circular slab, the quantity of second connecting seat is total six, and divide into three groups, three groups of second connecting seats evenly place on three interior thread bush and bracing piece, the quantity of head rod is total three, and three head rod evenly places on three groups of second connecting seats.
Preferably, the screw rod is further provided with a rotating mechanism for rotating the screw rod, the rotating mechanism comprises a second circular plate rotatably connected to the bottom of the screw rod, a second gear is fixedly connected to the outer contour of one end, close to the second circular plate, of the screw rod, the second gear is movably connected with the second circular plate, a first gear which is meshed with the second gear in a rotating mode is rotatably connected to the center of the second circular plate through a pin shaft, and the first gear is driven by a power mechanism to rotate.
Preferably, three of the screws perform limited rotation on the second circular plate, the number of the second gears is three, and the three second gears are fixedly arranged on the outer profiles of the three screws.
Preferably, the central point on the base puts and has seted up the through-hole, the spacing rotation of inner wall of through-hole is connected with the universal ball that carries out the self-adaptation rotation leveling to the measuring apparatu, both ends symmetric position runs through and fixedly connected with inserted bar on the universal ball, the board of placing of measuring apparatu is placed to the top fixedly connected with of inserted bar, spacing sliding connection has the loop bar on the outline that the inserted bar is close to the bottom, the bottom fixedly connected with of loop bar makes the universal ball rotate the gravity piece of regulation.
Preferably, the top of the three slide bars is fixedly connected with a cylindrical protective cover for protecting the measuring instrument, and the first circular plate is provided with an auxiliary mechanism for lifting the cylindrical protective cover.
Preferably, the auxiliary mechanism comprises third connecting seats fixedly connected to positions of the outer contour of the first circular plate corresponding to the positions of the support rods, and a second connecting rod for enabling the slide rod to move up and down in a reciprocating manner is rotatably connected between the two third connecting seats.
Preferably, the center of the top of the first circular plate is fixedly connected with a limiting ring for stably placing the gravity block, and the outer contour of the gravity block is matched and movably connected with the inner wall of the limiting ring.
Compared with the prior art, the invention has the following beneficial effects:
drive first gear through power unit and carry out dead axle reciprocating rotation on the second circular slab, make first gear drive screw rod carry out dead axle reciprocating rotation on first circular slab and second circular slab, and rotate the internal thread cover of connection on the screw rod, make the internal thread cover carry out lifting reciprocating on the screw rod, along with three internal thread cover axial displacement that makes progress, make three head rod pulling three bracing piece phase displacement accomodate, along with three internal thread cover when carrying out axial displacement down, make three head rod promote three bracing piece back of the body removal and open, make the base can more stable place.
When the three support rods move in opposite directions for storage, the second connecting rod pushes the first circular plate and the slide rod to move axially upwards on the base, the slide rod moves upwards, the cylindrical protective cover moves upwards synchronously, the inner wall of the measuring instrument in the cylindrical protective cover can be better protected, the inner wall of the limiting ring can be better moved along with the upward movement of the first circular plate, the gravity block can be stably placed on the inner wall of the limiting ring, meanwhile, the sleeve rod and the inserted rod move in opposite directions, the first circular plate can better move for storage, when the three support rods move in opposite directions, the second connecting rod pulls the first circular plate and the slide rod to move downwards, the slide rod drives the cylindrical protective cover to move downwards synchronously, the measuring instrument is separated from the inner wall of the cylindrical protective cover, the sleeve rod and the inserted rod move in opposite directions, the gravity block is separated from the inner wall of the limiting ring, and meanwhile, the universal ball performs self-adaptive leveling on the measuring instrument placed on the plate under the gravity of the gravity block.
The cooperation through above-mentioned structure is used and has been solved and need the workman to open the support manually, and is difficult to fix the support, leads to support stability relatively poor, and when rugged and uneven ground measured, every turn the repositioning all need artifical readjustment, the problem that wastes time and energy.
Description of the preferred embodiment
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1 to 8, the present invention provides a technical solution: a leveling device of an engineering measuring instrument comprises abase 1, wherein a first connectingseat 2 is fixedly connected to the outer contour of thebase 1, a supportingrod 3 which supports thebase 1 is rotatably connected to the first connectingseat 2 through a pin shaft, asliding rod 4 penetrates through thebase 1 close to the edge position and is connected with the base in a limiting sliding mode, a firstcircular plate 41 is fixedly connected to the bottom of thesliding rod 4, an adjusting mechanism which enables the supportingrod 3 to be opened or contained is arranged at the bottom of the firstcircular plate 41, the adjusting mechanism comprises ascrew rod 5 which is rotatably connected to the position, close to the edge, of the bottom of thesliding rod 4 and corresponds to the supportingrod 3 in a limiting mode, aninternal thread sleeve 6 which moves up and down in a reciprocating mode is rotatably connected to the upper limiting position of thescrew rod 5, second connectingseats 10 are fixedly connected to opposite surfaces of theinternal thread sleeve 6 and the supportingrod 3, and a first connectingrod 11 which enables the supportingrod 3 to be opened or contained is rotatably connected between the twosecond connecting seats 10 through a pin shaft;
the number of the first connectingseats 2 and the number of the supportingrods 3 are respectively three, the three first connectingseats 2 and the three supportingrods 3 are uniformly arranged on the outer contour of thebase 1, the number of thesliding rods 4 is three, the threesliding rods 4 are uniformly arranged on thebase 1, the number of thescrew rods 5 and the number of theinternal thread sleeves 6 are three, the threescrew rods 5 and theinternal thread sleeves 6 are uniformly arranged on the firstcircular plate 41, the number of the second connectingseats 10 is six, the three connecting seats are divided into three groups, the three groups of second connectingseats 10 are uniformly arranged on the threeinternal thread sleeves 6 and the supportingrods 3, the number of the first connectingrods 11 is three, and the three first connectingrods 11 are uniformly arranged on the three groups of second connectingseats 10;
thescrew 5 is also provided with a rotating mechanism for rotating thescrew 5, the rotating mechanism comprises a secondcircular plate 7 rotationally connected to the bottom of thescrew 5, asecond gear 9 is fixedly connected to the outer contour of one end, close to the secondcircular plate 7, of thescrew 5, thesecond gear 9 is movably connected with the secondcircular plate 7, afirst gear 8 which is meshed with thesecond gear 9 for rotation is rotationally connected to the center position of the secondcircular plate 7 through a pin shaft, and thefirst gear 8 is driven by a power mechanism to rotate;
the threescrews 5 perform limited rotation on the secondcircular plate 7, the number of thesecond gears 9 is three, and the threesecond gears 9 are fixedly arranged on the outer contours of the threescrews 5.
Through setting upbase 1, make placing that first connectingseat 2 can be better onbase 1,bracing piece 3 through setting up on first connectingseat 2, and the quantity ofbracing piece 3 has threely, along with threebracing piece 3 reciprocal swing in opposite directions or back of the body mutually on first connectingseat 2, make placing thatbase 1 can be more stable, through theslide bar 4 that sets up onbracing piece 3, make firstcircular plate 41 fixed placing onslide bar 4, and thescrew rod 5 that sets up on firstcircular plate 41, makescrew rod 5 carry out the dead axle rotation on firstcircular plate 41, through theinternal thread cover 6 that sets up onscrew rod 5, along with the reciprocal rotation ofscrew rod 5, makeinternal thread cover 6 carry out lift reciprocating motion onscrew rod 5, and the second connectingseat 10 that sets up oninternal thread cover 6 andbracing piece 3, and thehead rod 11 that sets up on the second connectingseat 10, along withinternal thread cover 6 carry out lift reciprocating motion, makehead rod 11 can stimulatebracing piece 3 to carry out opposite directions or back of the body mutually on first connectingseat 2.
Through the secondcircular plate 7 that sets up on thescrew rod 5 forscrew rod 5 carries out the dead axle rotation on secondcircular plate 7, through thesecond gear 9 that sets up onscrew rod 5, makesecond gear 9 can be betterdrive screw rod 5 carry out the dead axle rotation, and thefirst gear 8 that sets up on secondcircular plate 7, andfirst gear 8 and the meshing ofsecond gear 9 rotate, it rotates to carry out the dead axle on secondcircular plate 7 to go along with power unit drivesfirst gear 8, makesecond gear 9 can be more convenientdrive screw rod 5 carry out the dead axle rotation.
Above-mentioned structure, along with power unit drivesfirst gear 8 and carries out dead axle reciprocating motion on secondcircular slab 7, makefirst gear 8drive screw rod 5 and carry out dead axle reciprocating motion on firstcircular slab 41 and secondcircular slab 7, and rotate theinterior thread bush 6 of connection on thescrew rod 5, makeinterior thread bush 6 go up-down reciprocating motion onscrew rod 5, along with 6 upward axial displacement of three interior thread bush, make three first connectingrod 11 pulling threebracing piece 3 moves towards each other and accomodate, along with threeinterior thread bush 6 when carrying out downward axial displacement, make three first connectingrod 11 promote threebracing piece 3 and move back of the body mutually and open, makebase 1 can more stable placing.
Examples
On the basis of the first embodiment, further:
a throughhole 101 is formed in the center of thebase 1, auniversal ball 12 for self-adaptive rotary leveling of the measuring instrument is connected to the inner wall of the throughhole 101 in a limiting and rotary mode,insertion rods 14 penetrate through and are fixedly connected to the symmetrical positions of the two ends of theuniversal ball 12, a placingplate 13 for placing the measuring instrument is fixedly connected to the top of eachinsertion rod 14, asleeve rod 15 is connected to the outer contour, close to the bottom, of eachinsertion rod 14 in a limiting and sliding mode, and agravity block 16 for enabling theuniversal ball 12 to be adjusted in a rotary mode is fixedly connected to the bottom of eachsleeve rod 15;
the tops of the three slidingrods 4 are fixedly connected with a cylindricalprotective cover 19 for protecting the measuring instrument, and an auxiliary mechanism for lifting the cylindricalprotective cover 19 is arranged on the firstcircular plate 41;
the auxiliary mechanism comprises third connectingseats 17 which are fixedly connected with the positions of the outer contour of the firstcircular plate 41 corresponding to the supportingrod 3, and a second connectingrod 18 which enables the slidingrod 4 to move up and down in a reciprocating manner is rotatably connected between the two third connectingseats 17;
the top center of the firstcircular plate 41 is fixedly connected with a limitingring 20 which enables thegravity block 16 to be stably placed, and the outer contour of thegravity block 16 is matched and movably connected with the inner wall of the limitingring 20.
Through the through hole 101 formed in the base 1, the universal ball 12 can perform fixed axis rotation on the inner wall of the through hole 101, through the insertion rod 14 arranged on the universal ball 12, and the placing plate 13 arranged on the insertion rod 14, so that the placing plate 13 can be better placed, and the loop rod 15 arranged on the insertion rod 14, so that the loop rod 15 can perform axial movement on the insertion rod 14, through the gravity block 16 arranged on the loop rod 15, the universal ball 12 can rotate under the gravity action of the gravity block 16 along with the universal ball 12, so that the universal ball 12 can better level a measuring instrument on the placing plate 13, through the cylindrical protective cover 19 arranged on the sliding rod 4, so that the cylindrical protective cover 19 can protect the measuring instrument, through the first circular plate 41 and the third connecting seat 17 arranged on the supporting rod 3, and the second connecting rod 18 arranged on the third connecting seat 17 can perform opposite or back-to-back reciprocating swing along with the supporting rod 3, so that the second connecting rod 18 pushes the first circular plate 41 to perform lifting reciprocating movement, and reciprocating movement through the limiting ring 20 arranged on the first circular plate 41, so that the gravity block 16 can more stably place the inner wall 20 of the limiting ring on the inner wall of the limiting ring 20.
In the above structure, when the three support rods 3 move in the opposite direction for storage, the second connecting rod 18 pushes the first circular plate 41 and the slide rod 4 to move axially in the axial direction on the base 1, the slide rod 4 moves upwards along with the synchronous upward movement of the cylindrical protective cover 19, so that the inner wall of the cylindrical protective cover 19 of the measuring instrument can be better protected, the gravity block 16 can be stably placed on the inner wall of the limit ring 20 along with the upward movement of the first circular plate 41, meanwhile, the sleeve rod 15 moves in the opposite direction with the insertion rod 14, so that the gravity block 16 can be better moved for storage by the first circular plate 41, when the three support rods 3 move in the opposite direction, the second connecting rod 18 pulls the first circular plate 41 and the slide rod 4 to move downward, and the slide rod 4 drives the cylindrical protective cover 19 to move downward in the synchronous manner, so that the measuring instrument is separated from the inner wall of the cylindrical protective cover 19, the downward movement of the first circular plate 41 along with the downward movement of the sleeve rod 15 and the insertion rod 14 move in the opposite direction, so that the gravity block 16 is separated from the inner wall of the limit ring 20, and the universal ball 12 is placed on the universal gravity leveling instrument 13 under the gravity block 16 in an adaptive manner.
Further realized adjusting the support fixedly, convenient to use, it is better to compare traditional product.
The working principle is as follows: when this leveling device of engineering measuring instrument used, drivefirst gear 8 through power unit and carry out dead axle reciprocating rotation on secondcircular slab 7, makefirst gear 8drive screw rod 5 and carry out dead axle reciprocating rotation on firstcircular slab 41 and secondcircular slab 7, and rotate theinternal thread cover 6 of connection on thescrew rod 5, makeinternal thread cover 6 go up and down reciprocating motion onscrew rod 5, when following up axial displacement of threeinternal thread cover 6, make three 11 three bracing pieces of pulling of threehead rod 3 moves in opposite directions and accomodate, when following up downward axial displacement of threeinternal thread cover 6, make threehead rod 11 promote three bracingpiece 3 and move back of the body mutually and open, makebase 1 can more stable placing.
When the three support rods 3 move in the opposite direction for storage, the second connecting rod 18 pushes the first circular plate 41 and the sliding rod 4 to move axially in the axial direction on the base 1, the sliding rod 4 moves upwards along with the upward movement of the cylindrical protective cover 19, the inner wall of the cylindrical protective cover 19 of the measuring instrument can be better protected by the measuring instrument, the gravity block 16 can be stably placed on the inner wall of the limiting ring 20 along with the upward movement of the first circular plate 41, the sleeve rod 15 and the insertion rod 14 move in the opposite direction simultaneously, the gravity block 16 can be better moved for storage by the first circular plate 41, when the three support rods 3 move in the opposite direction, the second connecting rod 18 pulls the first circular plate 41 and the sliding rod 4 to move downwards, the sliding rod 4 drives the cylindrical protective cover 19 to move downwards simultaneously, the measuring instrument is separated from the inner wall of the cylindrical protective cover 19, the downward movement of the first circular plate 41 along with the downward movement of the sleeve rod 15 and the insertion rod 14 move in the opposite direction, the gravity block 16 is separated from the inner wall of the limiting ring 20, and the universal ball 12 performs adaptive leveling of the measuring instrument placed on the base 13 under the gravity of the gravity block 16.
Further realized adjusting the support fixedly, convenient to use, it is better to compare traditional product.
The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural components described in the specification and drawings may also be obtained by processing directly according to the common general knowledge of the prior art without any doubt, and the connection manner of the respective parts is a conventional manner well-established in the prior art, and the machines, parts and equipment are of a type conventional in the prior art, so that detailed description thereof is omitted.
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.