CN109900260B - Measuring device for road construction - Google Patents
Measuring device for road construction Download PDFInfo
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- CN109900260B CN109900260B CN201910271334.5A CN201910271334A CN109900260B CN 109900260 B CN109900260 B CN 109900260B CN 201910271334 A CN201910271334 A CN 201910271334A CN 109900260 B CN109900260 B CN 109900260B
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Abstract
The invention relates to a measuring device for road construction, which effectively solves the problems that the existing measuring device is not easy to adjust level, has high leveling operation difficulty and consumes longer time; the technical scheme for solving the problem is that the device comprises a bottom plate and is characterized in that a balance table is connected to the bottom plate in a universal mode, a balance device is arranged between the balance table and the bottom plate, and three support legs are rotatably connected to the side face of the bottom plate; the balance device comprises a hollow water sump fixedly connected to the bottom plate, a floating plate is connected in the water sump in an up-and-down sliding mode, the space at the lower end of the floating plate in the water sump is filled with water, a plurality of support columns are fixedly connected to the upper end of the floating plate, and the upper ends of the support columns penetrate through the water sump and are in contact connection with the lower end face of the balance table; the invention has simple structure, convenient operation, high measuring efficiency and strong practicability, and can effectively keep the level of the instrument.
Description
Technical Field
The invention relates to the technical field of measuring devices, in particular to a measuring device for road construction.
Background
In the construction of highway engineering, the measurement work is an important and unsmooth or lacking loop. The measurement work must be carried out in advance, and the construction measurement is to accurately measure and arrange each element in the design drawing on the spot according to the specified precision requirement to be used as the construction basis; and a series of measurement works are carried out in the construction process to ensure that the construction is carried out according to the design requirements.
The conventional measuring instruments commonly used in road construction, such as a total station, a level, a theodolite and the like, need a tripod or other auxiliary measuring devices to place the measuring instruments and provide a fixed foundation for the measuring instruments. The operation of surveying instruments, especially total stations and theodolites, is guaranteed to be level, so that the accuracy of the instruments is affected by slight unevenness or inclination of the bottom surface. Therefore, before measurement, a measurer can perform centering and leveling in advance, the purpose of the step is to ensure the level of the side face instrument, however, the step is only to adjust the existing tripod to match the instrument for observation to determine the leveling effect, the operation difficulty is high, the operation is not easy to master, and the time consumption is long.
Therefore, the present invention provides a measuring device for road construction to solve the problem.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the measuring device for road construction, which effectively solves the problems that the existing measuring device is not easy to adjust level, has high leveling operation difficulty and consumes long time.
The invention comprises a bottom plate and is characterized in that a balance table is connected to the bottom plate in a universal manner, a balance device is arranged between the balance table and the bottom plate, and three support legs are rotatably connected to the side surface of the bottom plate;
the balancing device comprises a hollow water sump fixedly connected to the bottom plate, a floating plate is connected to the water sump in a sliding mode from top to bottom, water is filled in the space at the lower end of the floating plate in the water sump, a plurality of supporting columns are fixedly connected to the upper end of the floating plate, and the upper ends of the supporting columns penetrate through the water sump and the lower end face of the balancing table to be in contact connection.
Preferably, the water sump is annular, the inner side wall and the outer side wall of the water sump are both spherical parts, the floating plate is annular, the floating plate is in sealing contact connection with the inner side wall of the water sump, and the upper end of the supporting column is hemispherical.
Preferably, the balancing unit further comprises a plurality of hydraulic supporting cylinders fixedly connected to the base plate, and each hydraulic supporting cylinder is internally provided with a hydraulic supporting rod which is connected with the hydraulic supporting cylinder in a sliding mode from top to bottom and is connected with the upper end of the hydraulic supporting rod in a contact mode through the lower end face of the balancing table, and each hydraulic supporting cylinder is communicated with the water sump and each hydraulic supporting cylinder in a mutual communication mode, and the base plate is fixedly connected with one micro booster pump communicated with the hydraulic supporting cylinders.
Preferably, every the landing leg all including rotate to be connected the landing leg upper boom of bottom plate side, every the landing leg upper boom in all sliding connection have one end outstanding the landing leg lower beam of terminal surface under the landing leg upper boom, the landing leg lower beam on rotate and be connected with the landing leg screw rod, the landing leg upper boom under the terminal surface rotate and be connected with the landing leg bolt, the landing leg screw rod arrange in the landing leg bolt and landing leg bolt screw-thread fit.
Preferably, the lower end of each lower support leg rod is rotatably intercepted with a support platform, and each support platform is connected with a constant-level device fixedly connected to the corresponding support leg;
every constant flat device all including driving bevel gear, driving bevel gear fixed connection rotate the junction at bottom plate upper plate and landing leg upper boom, every driving bevel gear other all mesh and have the transmission upper bevel gear of rotation connection in corresponding landing leg upper boom one side, every the transmission upper bevel gear equal coaxial fixedly connected with telescopic link, every the telescopic link lower extreme equal coaxial fixedly connected with transmission lower bevel gear, every transmission lower bevel gear other all mesh and have the driven bevel gear of rotation connection on corresponding landing leg lower boom, every driven bevel gear equal motion fixedly connected with drive gear, every the other driven gear that all meshes fixed connection on corresponding brace table of drive gear, driven gear fixed connection in the pivot of brace table and landing leg lower boom rotation connection.
Preferably, every the telescopic link including rotate the flexible shell of connection on corresponding landing leg upper boom, telescopic link shell and corresponding transmission on the coaxial fixed connection of bevel gear, telescopic link shell in the upper and lower sliding connection have the telescopic link of rotation connection on corresponding landing leg lower beam in, the telescopic link in pole and the coaxial fixed connection of bevel gear under the corresponding transmission, every telescopic link shell and corresponding telescopic link in between pass through keyway sliding connection for the telescopic link shell rotates and to drive the rotation in the corresponding telescopic link.
Preferably, the lower end of each support platform is fixedly connected with a support cone.
Preferably, each supporting platform on all be sliding connection from top to bottom have a plurality of auxiliary stay posts, each auxiliary stay post on all the cover be equipped with one end fixed connection support spring on supporting platform, every the support spring other end and corresponding auxiliary stay post fixed connection.
Preferably, the balance table is rotatably connected with a steering turbine, the steering turbine is fixedly connected with a fixed table which is rotatably connected to the balance table, the fixed table is rotatably connected with a steering worm which is meshed with the steering turbine, and the fixed table is provided with a fixing threaded hole;
the balance table is uniformly provided with a plurality of guide grooves, and each guide groove is internally and slidably connected with a guide post fixedly connected to the bottom plate.
Preferably, the lower end of the base plate is connected with a lower inclination angle sensor, the upper end of the base plate is fixedly connected with an upper inclination angle sensor, the upper inclination angle sensor and the lower inclination angle sensor are both electrically connected with a central console fixedly connected to the base plate, and the micro booster pump is electrically connected with the central console.
Aiming at the problems that the existing measuring device is not easy to adjust the level, the leveling operation is difficult, and the time consumption is long, the invention improves the existing measuring device, and the balancing device is additionally arranged, so that the measuring device can be always kept level; the telescopic supporting legs are additionally arranged, and the supporting table capable of always keeping balance is arranged, so that the supporting legs can firmly support the device and the measuring instrument fixedly installed on the device.
Drawings
Fig. 1 is a perspective view of the present invention.
FIG. 2 is a schematic front view of the present invention.
Fig. 3 is a partial perspective view of the leg positioning portion of the present invention.
Fig. 4 is a first perspective view of a rebalance platform of the present invention.
FIG. 5 is a schematic cross-sectional view of a debalancing table and legs of the present invention.
FIG. 6 is a perspective view of the floating plate and the supporting pillars of the present invention.
FIG. 7 is a perspective view of a second embodiment of the rebalancing table of the present invention.
Fig. 8 is a perspective view of a first fixing table and a related structure thereof according to the present invention.
Fig. 9 is a partial perspective view of the lower support rod, the support platform and the related structure of the present invention.
Fig. 10 is a partial perspective view of the lower support rod, the support platform and the related structures of the present invention.
Fig. 11 is a partial perspective view of a lower support rod, a support platform and related structures of the support leg of the present invention.
Fig. 12 is a perspective view of the upper bevel gear and the telescopic housing of the present invention.
FIG. 13 is a perspective view of the lower bevel gear and the inner rod of the telescopic rod according to the present invention.
Fig. 14 is a perspective view of a second fixing table and a related structure thereof.
Fig. 15 is a three-dimensional schematic view of a fixing table and a related structure thereof.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 15. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The first embodiment of the invention is a measuring device for road construction, which comprises a bottom plate 1, wherein the bottom plate 1 is used for providing a fixed foundation for subsequent structures, and is characterized in that a balance table 2 is connected to the bottom plate 1 in a universal manner, specifically, a universal joint is fixedly connected to the center of the bottom plate 1, the other end of the universal joint is fixedly connected to the center of the lower end of the balance table 2, the universal joint can be a ball cage type constant velocity universal joint, and can also be other common constant velocity universal joints, the balance table 2 is used for mounting measuring instruments, such as a level, a theodolite and the like, specifically, a fixing device corresponding to the corresponding instrument can be opened on the balance table 2, and the instrument can be fixed on the balance table 2, the fixing mounting mode is a fixing mounting mode common to the existing measuring tripod, so that the specific description is omitted, a balance device is arranged between the balance table 2 and the bottom plate 1, the balance device can keep the balance table 2 horizontal under the condition that the bottom plate 1 inclines so as to ensure that the measuring instrument has a good measuring environment, three support legs 3 are rotatably connected to the side surface of the bottom plate 1, and the support legs 3 are used for supporting the bottom plate 1 so as to facilitate better measurement of measuring personnel;
the balancing device comprises a hollow water sump 4 fixedly connected to the bottom plate 1, a floating plate 5 is connected to the water sump 4 in a vertical sliding mode, the space at the lower end of the floating plate 5 in the water sump 4 is filled with water, the floating plate 5 can float on the water surface, the inner side walls of the floating plate 5 and the water sump 4 are in sealing fit, when the water sump 4 inclines, the water surface still keeps horizontal under the action of gravity, so that the floating plate 5 can also keep horizontal, a plurality of support columns 6 are fixedly connected to the upper end of the floating plate 5, the upper ends of the support columns 6 penetrate through the water sump 4 to be in contact connection with the lower end face of the balancing table 2, namely, a plurality of through holes are formed in the upper end face of the water sump 4, the support columns 6 penetrate through the through holes to be in contact with the lower end face of the balancing table 2, in the embodiment, a measurer only needs to prop the support legs 3 open firstly, the bottom plate 1 can be stably and stably prevented from shaking and falling, then the measuring instrument is fixedly arranged on the balance table 2, the floating plate 5 is always kept in balance under the action of water in the water bin 4, the floating plate 5 can not sink to the water surface due to the sealing and fitting of the inner side walls of the floating plate 5 and the water bin 4, the weight of the measuring instrument is not too heavy, the condition that the water bin 4 or the floating plate 5 cracks due to the overweight gravity of the balance table 2 can not occur, meanwhile, the water surface cannot fluctuate all the time due to the weight of the balance table 2, the stability of the floating plate 5 is ensured, as long as the measuring instrument is fixedly arranged in the center of the balance table 2, the gravity center of the measuring instrument is also positioned in the center, the balance table 2 can be ensured to be always balanced under the action of the floating plate 5, it needs to be noted that the distance between the balance table 2 and the bottom plate 1 is not large, the swinging angle of the balance table 2 is limited, and a measuring person needs, this is easy for the measuring staff to handle and implement and most measuring environments do not have a large tilt angle.
In the second embodiment, on the basis of the first embodiment, the water sump 4 is annular, the inner and outer side walls of the water sump 4 are part of a sphere, the floating plate 5 is annular, the floating plate 5 is in sealing contact with the inner side wall of the water sump 4, specifically, the inner and outer side walls of the water sump 4 are part of a concentric sphere, and the floating plate 5 is in sealing fit with the inner side wall of the water sump 4, so that the floating plate 5 can move along the inner wall of the water sump 4 in all directions, and therefore, no matter which angle the bottom plate 1 tilts in which direction, the floating plate 5 can keep horizontal along with the water surface, the floating plate 5 cannot be limited to keep horizontal when the bottom plate 1 tilts to a certain angle or position due to the shape limitation of the water sump 4 and the floating plate 5, and meanwhile, the sealing fit of the inner side walls of the floating plate 5 and the water sump 4 also prevents the water below the floating plate 5 from overflowing to the floating plate 5, thereby ensuring the stability of the water amount in the water sump 4, simultaneously, sealed processing also makes kickboard 5 can bear more weight, because of sealed sump 4 and with the kickboard 5 of the sealed laminating of sump 4 have constituted enclosed construction, so the surface of water can bear heavier weight, crackle appears until kickboard 5 or 4 lateral walls in sump, 6 upper ends of support column be the hemisphere, the upper end makes balancing stand 2 rotate no matter how for hemispherical support column 6, support column 6 all can be connected and support balancing stand 2 with the contact of balancing stand 2, hemispherical setting makes balancing stand 2 can not lead to the perk of 2 certain departments of balancing stand because of the edges and corners that appear on the support column 6.
In the third embodiment, on the basis of the first embodiment, the level of the balance table 2 is further ensured, and the stability of the device is improved, the first embodiment provides a specific structure to assist the floating plate 5 and the supporting column 6 to horizontally support the balance table 2, specifically, the balance device further includes a plurality of hydraulic supporting cylinders 7 fixedly connected to the bottom plate 1, each hydraulic supporting cylinder 7 is a hollow cylinder with a through hole at the top, a hydraulic supporting rod 8 is vertically slidably connected in each hydraulic supporting cylinder 7, the upper end of each hydraulic supporting rod 8 is in contact connection with the lower end surface of the balance table 2, the upper end of each hydraulic supporting rod 8 is hemispherical, the hydraulic supporting rod 8 with the hemispherical upper end makes the balance table 2 rotate, the hydraulic supporting rod 8 can be in contact connection with the balance table 2 and supports the balance table 2, the hemispherical arrangement ensures that the balance table 2 cannot tilt at a certain position of the balance table 2 due to the edge angle on the hydraulic support rod 8, each hydraulic support cylinder 7 is communicated with the water sump 4, each hydraulic support cylinder 7 is communicated with each other, the base plate 1 is fixedly connected with a micro booster pump 9 communicated with one hydraulic support cylinder 7, the device is relatively small and the required pressure is not large, so the micro booster pump 9 also adopts a booster pump with a small volume and a small specification, a booster pump with a JT-660A-24 specification can be adopted, other micro booster pumps 9 meeting the specification can be adopted, the micro booster pump 9 is electrically connected with a storage battery fixedly connected at the lower end of the base plate 1, and the micro booster pump 9 is used for providing pressure for a plurality of hydraulic support rods 8, in order to keep its support to balance table 2, a plurality of between the hydraulic pressure support section of thick bamboo 7, all communicate each other through the pipeline between a plurality of hydraulic pressure support section of thick bamboo 7 and the water sump 4, the space that water sump 4 and 5 lower extremes of kickboard are constituteed, the space that 8 lower extremes of every hydraulic pressure support section of thick bamboo 7 and corresponding hydraulic support pole and each pipeline communicate each other and form a rivers system that communicates, when bottom plate 1 is horizontal, be full of water in this system, when bottom plate 1 is crooked, according to the linker principle, the surface of water in this system all keeps the level all the time and is at same horizontal plane to this realization is to balance table 2's the level support all the time, miniature booster pump 9 provide water pressure for whole system, with the better level that keeps balance table 2.
Fourth embodiment, on the basis of the first embodiment, the present embodiment provides a specific structure of a leg 3, so that the length of the leg 3 is adjustable and is not easily changed by an external force, specifically, each leg 3 includes a leg upper rod 10 rotatably connected to a side surface of the bottom plate 1, a rotating shaft of the leg 3 is fixedly connected to the base, each leg upper rod 10 is rotatably connected to the rotating shaft of the corresponding leg 3, a leg lower rod 11 having one end protruding from a lower end surface of the leg upper rod 10 is vertically and slidably connected to the inside of each leg upper rod 10, a sliding slot of the leg 3 is formed inside the leg upper rod 10, each leg lower rod 11 is disposed in the corresponding sliding slot of the leg 3, a leg screw 12 is rotatably connected to the leg lower rod 11, a leg bolt 13 is rotatably connected to a lower end surface of the leg upper rod 10, the leg screw 12 is disposed in the leg bolt 13 and is in threaded fit with the leg bolt 13, the supporting leg upper rod 10 is further provided with a screw groove, the supporting leg bolt 13 is arranged in the screw groove, the supporting leg bolt 13 rotates to drive the supporting leg screw 12 to move up and down in the screw groove, so that the supporting leg lower rod 11 is controlled and adjusted to extend out of a supporting leg 3 sliding groove in the supporting leg upper rod 10, the length of the supporting leg 3 is increased, meanwhile, the supporting leg lower rod 11 can be effectively prevented from sliding towards the inside of the supporting leg upper rod 10 under the action of external force by utilizing the self-locking effect of the bolt screw, and the stability of the supporting leg device in the using process is guaranteed.
In the fifth embodiment, on the basis of the fourth embodiment, the lower ends of the legs 3 of the common measuring device or the tripod are all pointed ends, when the measuring device or the tripod is placed on a hard road surface such as cement or concrete, the support legs 3 are opened, which easily results in unstable fixation of the measuring device and serious abrasion to the support legs 3, the embodiment provides a structure, which effectively improves the support stability of the support legs 3, meanwhile, the abrasion is reduced, the service life is prolonged, in particular, the lower end of each supporting leg lower rod 11 is rotatably intercepted with a supporting platform 14, each supporting platform 14 is connected with a constant device fixedly connected with the corresponding supporting leg 3, said means for constant leveling are used to keep the support table 14 horizontal at all times during the opening of the corresponding leg 3, it being noted that, when the supporting legs 3 of the device are folded, the supporting platform 14 is kept horizontal, namely the supporting platform 14 is in a horizontal state at the initial position;
each constant-level device comprises a driving bevel gear 15, the driving bevel gear 15 is fixedly connected at the rotating connection position of the upper bottom plate 1 of the bottom plate 1 and the upper supporting leg rod 10, specifically, the driving bevel gear 15 is coaxially and fixedly connected with the rotating shaft of the corresponding supporting leg 3, a driving upper bevel gear 16 which is rotatably connected to one side of the corresponding upper supporting leg rod 10 is meshed beside each driving bevel gear 15, each driving upper bevel gear 16 is coaxially and fixedly connected with a telescopic rod 18, the lower end of each telescopic rod 18 is coaxially and fixedly connected with a driving lower bevel gear 17, a driven bevel gear 19 which is rotatably connected to the corresponding lower supporting leg rod 11 is meshed beside each driving lower bevel gear 17, namely when the supporting leg 3 is opened, the driving upper bevel gear 16 rotates along the driving bevel gear 15 along with the swinging of the upper supporting leg rod 10, so that the driving lower bevel gear 17 which is coaxially and fixedly connected is driven by the telescopic rod 18 to synchronously rotate, the transmission lower bevel gear 17 rotates to drive the driven bevel gear 19 to rotate, the transmission upper bevel gear 16 and the transmission lower bevel gear 17 are coaxially and fixedly connected through an expansion link 18, the expansion link 18 is arranged so that the transmission upper bevel gear 16 can drive the transmission lower bevel gear 17 to synchronously rotate no matter how the support leg lower rod 11 extends or retracts, each driven bevel gear 19 moves and is fixedly connected with a driving gear 20, a driven gear 21 fixedly connected to a corresponding support platform 14 is meshed beside each driving gear 20, the driven gear 21 is fixedly connected to a rotating shaft rotatably connected with the support platform 14 and the support leg lower rod 11, the driven gear 21 rotates to drive the support platforms 14 to synchronously swing, in the embodiment, when a measurer opens the support legs 3, the support leg upper rod 10 swings, and the transmission upper bevel gear 16 rotates forwards along the driving bevel gear 15, through telescopic link 18 drive the corotation of bevel gear 17 under coaxial fixed connection's transmission, the corotation of bevel gear 17 under the transmission drive gear 20 corotation, thereby drive driven gear 21 reversal, thereby make the swing opposite direction of brace table 14 and landing leg 3, for guaranteeing landing leg 3 swing angle and brace table 14 swing angle always, thereby realize that brace table 14 keeps the level at landing leg 3 swing in-process always, all gear drive bevel gear 15 and transmission up bevel gear 16 in this embodiment promptly, bevel gear 17 and driven bevel gear 19 under the transmission, the drive ratio between drive gear 20 and the driven gear 21 is 1: 1, the supporting platform 14 is horizontally placed on the ground at the moment, so that the supporting stability of the device is effectively improved, and the service life is prolonged.
Sixth embodiment, on the basis of the fifth embodiment, the present embodiment provides a specific structure of the telescopic rod 18, such that the telescopic rod 18 is telescopic, and simultaneously the transmission upper bevel gear 16 rotates and simultaneously drives the transmission lower bevel gear 17 to synchronously rotate, specifically, referring to fig. 12 and 13, each telescopic rod 18 includes a telescopic housing 22 rotatably connected to the corresponding leg upper rod 10, the telescopic rod 18 housing is coaxially and fixedly connected to the corresponding transmission upper bevel gear 16, the transmission upper bevel gear 16 rotates and drives the telescopic housing 22 to synchronously rotate, a telescopic rod inner rod 23 rotatably connected to the corresponding leg lower rod 11 is slidably connected in the telescopic rod 18 housing up and down, the telescopic rod inner rod 23 is coaxially and fixedly connected to the corresponding transmission lower bevel gear 17, and the telescopic rod inner rod 23 rotates and drives the transmission lower bevel gear 17 coaxially and fixedly connected, each outer shell of the telescopic rod 18 is in sliding connection with the corresponding inner rod 23 of the telescopic rod through a key slot, so that the outer shell of the telescopic rod 18 can rotate to drive the corresponding inner rod 23 of the telescopic rod to rotate.
Seventh embodiment, on the basis of the fifth embodiment, the present embodiment provides a specific structure of the supporting platforms 14, so that the supporting platforms 14 can be stably placed on hard road surfaces such as cement road surfaces, asphalt road surfaces, etc., and can be inserted into soft ground surfaces such as sand and weeds, so as to ensure the stability of the device, specifically, a supporting cone 24 is fixedly connected to the lower end of each supporting platform 14, the lower end surface of the supporting cone 24 is a plane with a small area and can also be a tip, the supporting cone 24 is arranged so that the supporting platform 14 can be better stably placed on soft ground, a plurality of auxiliary supporting columns 25 are slidably connected to each supporting platform 14 up and down, a supporting spring 26 with one end fixedly connected to the supporting platform 14 is sleeved on each auxiliary supporting column 25, the other end of each supporting spring 26 is fixedly connected to the corresponding auxiliary supporting column 25, the supporting spring 26 is a hard spring, and the progress coefficient of the supporting spring is high, so that when the device is used on a flat ground, the supporting spring 26 can be matched with the auxiliary supporting cone 24 with good auxiliary supporting columns 25 to play a supporting role, meanwhile, the abrasion of the supporting cone 24 can be prevented, and the service life of the device is prolonged.
Eighth embodiment, on the basis of the first embodiment, the present embodiment provides a specific structure for fixing a measuring instrument, so that a measurer can conveniently fix the instrument on the apparatus, specifically, a steering turbine 27 is rotatably connected to the balance table 2, the steering turbine 27 is fixedly connected to a fixing table 28 rotatably connected to the balance table 2, the steering turbine 27 can rotate on the balance table 2 and drive the fixing table 28 to rotate synchronously, a steering worm 29 engaged with the steering turbine 27 is rotatably connected to the fixing table 28, the steering worm 29 can rotate to drive the steering turbine 27 to rotate, so as to adjust the fixing table 28 to swing, a fixing threaded hole 30 is formed in the fixing table 28, and the fixing threaded hole 30 is used for fixing the instrument by the measurer;
the balance table 2 is uniformly provided with a plurality of guide grooves 31, each guide groove 31 is internally and slidably connected with a guide post 32 fixedly connected to the bottom plate 1, referring to fig. 8, the balance table 2 cannot rotate due to the arrangement of the guide posts 32 and the guide grooves 31, and meanwhile, the guide grooves 31 are arranged to be a small long groove, so that the guide posts 32 cannot limit the swing of the balance table 2 around the universal joint, and the level of the balance table 2 is ensured.
In the ninth embodiment, on the basis of the third embodiment, in order to prevent a certain supporting leg 3 or a certain supporting legs 3 from suddenly opening an image measurement result in the measurement process, the present embodiment provides a supporting leg 3 locking structure, which can effectively prevent the occurrence of similar situations, specifically, referring to fig. 3 and fig. 4, a position where each of the supporting legs 3 is rotatably connected to the bottom plate 1 is fixedly connected to a locking ring gear 36, the supporting leg upper rod 10 swings to drive the corresponding locking ring gear 36 to synchronously swing, a locking rack 37 rotatably connected to the bottom plate 1 and engaged with the locking ring gear 36 is disposed above each of the locking ring gears 36, when the locking rack 37 is engaged with the corresponding locking ring gear 36, the supporting leg 3 cannot continuously swing, so as to achieve a locking effect, a micro motor 38 fixedly connected to the bottom plate 1 is connected to each of the locking rack 37 and the rotating shaft of the bottom plate 1, each micro motor 38 is electrically connected with the storage battery, the clamping rack 37 and the clamping gear ring 36 can be disengaged by starting the micro motor 38 to rotate forward, the supporting leg 3 can swing freely, otherwise, the clamping rack 37 and the clamping gear ring 36 can be engaged, and the supporting leg 3 is locked to prevent the supporting leg from swinging.
Tenth embodiment, on the basis of the third embodiment, the lower end of the base plate 1 is connected with a lower inclination angle sensor 33, the upper end of the base plate 1 is fixedly connected with an upper inclination angle sensor 34, the upper inclination angle sensor 34 and the lower inclination angle sensor 33 are both electrically connected with a central console 35 fixedly connected to the base plate 1, two display screens are arranged on the central console 35 and are respectively connected with the upper inclination angle sensor 34 and the lower inclination angle sensor 33 to display the inclination angles detected by the corresponding sensors so as to be convenient for a measurer to observe and record when necessary, the micro booster pump 9 and the micro motors 38 are all electrically connected with the central console 35, specifically, a control module is integrated in each of the plurality of micro motors 38, the micro booster pumps 9 and the central console 35, and the central console 35 controls the start and stop of the micro booster pump by controlling the corresponding micro motor 38 or the control module integrated in the micro booster pump 9, the center console 35 is electrically connected with the storage battery, and the center console 35 is respectively provided with a micro motor 38 switch and a micro booster pump 9 switch so as to respectively control the micro motor 38 and the micro booster pump 9.
When the invention is used specifically, a measurer only needs to prop open the supporting legs 3 to ensure that the bottom plate 1 is stable and can not shake and topple, and then the measuring instrument is fixedly arranged on the balance table 2;
when a measurer opens the supporting leg 3, the supporting leg upper rod 10 swings, the transmission upper bevel gear 16 rotates forwards along the driving bevel gear 15, the telescopic rod 18 drives the transmission lower bevel gear 17 which is coaxially and fixedly connected to rotate forwards, the transmission lower bevel gear 17 rotates forwards to drive the driving gear 20 to rotate forwards, so that the driven gear 21 is driven to rotate backwards, the swinging directions of the supporting table 14 and the supporting leg 3 are opposite, the swinging angle of the supporting leg 3 and the swinging angle of the supporting table 14 are ensured to be constant, and the supporting table 14 is kept horizontal in the swinging process of the supporting leg 3;
when the device is used on flat ground, the supporting spring 26 can be matched with the good auxiliary supporting cone 24 of the auxiliary supporting column 25 to play a supporting role, meanwhile, the abrasion of the supporting cone 24 can be prevented, the service life of the device is prolonged, and when the device is placed on soft ground such as sandy ground and grassland, the supporting cone 24 can be inserted into the ground to ensure the stability of the measuring instrument.
Aiming at the problems that the existing measuring device is not easy to adjust the level, the leveling operation is difficult, and the time consumption is long, the invention improves the existing measuring device, and the balancing device is additionally arranged, so that the measuring device can be always kept level; the telescopic supporting legs are additionally arranged, and the supporting table capable of always keeping balance is arranged, so that the supporting legs can firmly support the device and the measuring instrument fixedly installed on the device.
Claims (8)
1. The measuring device for road construction comprises a bottom plate (1), and is characterized in that a balance table (2) is connected to the bottom plate (1) in a universal mode, a balance device is arranged between the balance table (2) and the bottom plate (1), and three support legs (3) are rotatably connected to the side face of the bottom plate (1);
the balance device comprises a hollow water sump (4) fixedly connected to the bottom plate (1), a floating plate (5) is connected to the inside of the water sump (4) in a vertical sliding mode, the space at the lower end of the floating plate (5) in the water sump (4) is filled with water, a plurality of supporting columns (6) are fixedly connected to the upper end of the floating plate (5), and the upper ends of the supporting columns (6) penetrate through the water sump (4) and are in contact connection with the lower end face of the balance table (2);
each supporting leg (3) comprises an upper supporting leg rod (10) rotatably connected to the side face of the bottom plate (1), a lower supporting leg rod (11) with one end protruding out of the lower end face of the upper supporting leg rod (10) is vertically and slidably connected into each upper supporting leg rod (10), a supporting leg screw rod (12) is rotatably connected onto each lower supporting leg rod (11), a supporting leg bolt (13) is rotatably connected onto the lower end face of each upper supporting leg rod (10), and each supporting leg screw rod (12) is arranged in each supporting leg bolt (13) and is in threaded fit with each supporting leg bolt (13);
the lower end of each lower supporting leg rod (11) is rotatably connected with a supporting platform (14), and each supporting platform (14) is connected with a constant-level device fixedly connected to the corresponding supporting leg (3);
each constant-level device comprises a driving bevel gear (15), the driving bevel gear (15) is fixedly connected to the rotating connection position of the upper bottom plate (1) of the bottom plate (1) and the upper supporting leg rod (10), a driving upper bevel gear (16) rotatably connected to one side of the corresponding upper supporting leg rod (10) is meshed beside each driving bevel gear (15), each driving upper bevel gear (16) is coaxially and fixedly connected with an expansion link (18), the lower end of each expansion link (18) is coaxially and fixedly connected with a driving lower bevel gear (17), a driven bevel gear (19) rotatably connected to the corresponding lower supporting leg rod (11) is meshed beside each driving lower bevel gear (17), a driving gear (20) is movably and fixedly connected to each driven bevel gear (19), and a driven gear (21) fixedly connected to the corresponding supporting platform (14) is meshed beside each driving gear (20), the driven gear (21) is fixedly connected to a rotating shaft which is rotatably connected with the support platform (14) and the lower support leg rod (11).
2. The measuring device for road construction according to claim 1, wherein the water sump (4) is annular, the inner and outer side walls of the water sump are spherical parts, the floating plate (5) is annular, the floating plate (5) is in sealing contact with the inner side walls of the water sump (4), and the upper end of the supporting column (6) is hemispherical.
3. The measuring device for road construction according to claim 1, wherein the balancing device further comprises a plurality of hydraulic supporting cylinders (7) fixedly connected to the bottom plate (1), each hydraulic supporting cylinder (7) is internally and vertically connected with a hydraulic supporting rod (8) in a sliding manner, the upper end of each hydraulic supporting rod (8) is in contact connection with the lower end face of the balancing table (2), each hydraulic supporting cylinder (7) is communicated with the water sump (4), each hydraulic supporting cylinder (7) is communicated with the other, and the bottom plate (1) is fixedly connected with a micro booster pump (9) communicated with the hydraulic supporting cylinder (7).
4. The measuring device for road construction according to claim 1, wherein each telescopic rod (18) comprises a telescopic shell (22) rotatably connected to the corresponding leg upper rod (10), the telescopic rod (18) shell is coaxially and fixedly connected with the corresponding transmission upper bevel gear (16), an telescopic rod inner rod (23) rotatably connected to the corresponding leg lower rod (11) is slidably connected in the telescopic rod (18) shell up and down, the telescopic rod inner rod (23) is coaxially and fixedly connected with the corresponding transmission lower bevel gear (17), and each telescopic rod (18) shell is slidably connected with the corresponding telescopic rod inner rod (23) through a key slot, so that the telescopic rod (18) shell can rotate to drive the corresponding telescopic rod inner rod (23) to rotate.
5. The measuring device for road construction according to claim 1, wherein a supporting cone (24) is fixedly connected to the lower end of each supporting platform (14), a plurality of auxiliary supporting columns (25) are slidably connected to each supporting platform (14) up and down, a supporting spring (26) with one end fixedly connected to the supporting platform (14) is sleeved on each auxiliary supporting column (25), and the other end of each supporting spring (26) is fixedly connected to the corresponding auxiliary supporting column (25).
6. The measuring device for road construction according to claim 1, wherein a steering worm wheel (27) is rotatably connected to the balance table (2), the steering worm wheel (27) is fixedly connected with a fixed table (28) rotatably connected to the balance table (2), a steering worm (29) meshed with the steering worm wheel (27) is rotatably connected to the fixed table (28), and a fixing threaded hole (30) is formed in the fixed table (28);
the balance table (2) is uniformly provided with a plurality of guide grooves (31), and each guide groove (31) is internally and slidably connected with a guide post (32) fixedly connected to the bottom plate (1).
7. The measuring device for road construction according to claim 3, wherein each of the supporting legs (3) and the bottom plate (1) are fixedly connected with a clamping gear ring (36) at a rotary joint, each of the clamping gear rings (36) is provided with a clamping rack (37) above, the clamping rack is rotatably connected to the bottom plate (1) and can be meshed with the clamping gear ring (36), and each of the clamping racks (37) and the rotary shaft of the bottom plate (1) is connected with a micro motor (38) fixedly connected to the bottom plate (1).
8. The measuring device for road construction according to claim 7, wherein the lower end of the base plate (1) is connected with a lower inclination angle sensor (33), the upper end of the base plate (1) is fixedly connected with an upper inclination angle sensor (34), the upper inclination angle sensor (34) and the lower inclination angle sensor (33) are electrically connected with a central console (35) fixedly connected on the base plate (1), and the micro booster pump (9) and the plurality of micro motors (38) are electrically connected with the central console (35).
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| CN111289025A (en) * | 2020-03-25 | 2020-06-16 | 郑州铁路职业技术学院 | Road and bridge construction measuring device |
| CN112303400B (en) * | 2020-10-28 | 2022-02-15 | 上海市地质勘查技术研究院 | Measuring instrument support convenient to accomodate |
| CN114321653A (en) * | 2021-11-28 | 2022-04-12 | 重庆大学 | Oblique photographing bracket for detecting protection range of village historical building |
| CN116989237B (en) * | 2023-09-28 | 2023-12-22 | 启东市福科达机电科技有限公司 | Multifunctional tripod for building measurement |
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| US5184406A (en) * | 1991-06-18 | 1993-02-09 | Thomas Swierski | Projected light plumb device |
| CN202329632U (en) * | 2011-11-16 | 2012-07-11 | 吴井泉 | Floating platform type laser leveling instrument |
| CN204142270U (en) * | 2014-10-14 | 2015-02-04 | 胡家欢 | Table apparatus put by a kind of surveying instrument |
| CN208443391U (en) * | 2018-05-15 | 2019-01-29 | 浙江南兴建设工程检测有限公司 | A kind of total station |
| CN208620005U (en) * | 2018-07-21 | 2019-03-19 | 深圳市中正测绘科技有限公司 | Total station tripod |
| CN109029398B (en) * | 2018-08-20 | 2021-01-05 | 安徽棋然建筑科技有限公司 | Supporting device of engineering measurement equipment in building construction |
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