CN115388301A - Total powerstation strutting arrangement that can fix a position fast - Google Patents

Abstract

The invention discloses a total station supporting device capable of achieving quick positioning, which comprises a containing table, wherein a round hole is formed in the upper end of the containing table, the total station is installed on the containing table through bolt connection, a lifting positioning mechanism is installed on the containing table, and a supporting mechanism is installed at the lower end of the containing table. The device has the advantages that the device can quickly position the measuring base point, the supporting device does not need to be subjected to position adjustment for multiple times, the three supporting legs can be opened simultaneously, the extension rod can automatically extend to a proper length and can be quickly adjusted to be horizontal, the use is more convenient, the device can be conveniently contracted, the occupied space is reduced, the height can be adjusted according to the height of a user, the applicability is improved, and the device can be quickly positioned on flat ground or inclined plane.

Description

Total powerstation strutting arrangement that can fix a position fast

Technical Field

The invention relates to the technical field of total station equipment, in particular to a total station supporting device capable of being positioned quickly.

Background

The total station is a high-tech measuring instrument integrating light, machine and electricity into one body, and is a surveying instrument system integrating horizontal angle, vertical angle, distance and altitude difference measuring functions into one body.

In the prior art, for example, patent No. CN202221052807.6, the patent name is a total station supporting device convenient for height adjustment, which is mainly matched with a screw rod and a sleeve plate through screw transmission and rotation connection of a rotating plate and an insertion rod, and can adjust the use angle of the insertion rod, so as to adjust the use height of a supporting platform, and then the insertion plate is matched with a knob in a clamping manner, so as to improve the use stability of the supporting platform at different positions, and have high reliability.

Disclosure of Invention

The invention aims to solve the problems and designs a total station supporting device capable of being quickly positioned.

The technical scheme of the invention is that the total station supporting device capable of realizing quick positioning comprises a containing table, wherein a round hole is formed in the upper end of the containing table, the total station is installed on the containing table through bolt connection, a lifting positioning mechanism is installed on the containing table, a supporting mechanism is installed at the lower end of the containing table,

the lifting positioning mechanism comprises a hexagonal tube fixedly arranged on the lower surface of the containing table, the hexagonal tube is positioned below the round hole, a limiting sleeve is sleeved outside the hexagonal tube, a positioning tube is arranged at the lower end of the limiting sleeve, a pedal is arranged on one side of the lower end of the positioning tube in a lifting manner, a plurality of limiting rods are arranged at the lower end of the outer side of the hexagonal tube, a plurality of limiting grooves are formed in the inner side of the limiting sleeve, one end of each limiting rod is positioned in each limiting groove, a plurality of limiting holes are formed in the hexagonal tube, a limiting frame is arranged at the upper end of each limiting sleeve, one end of each limiting frame can be inserted into each limiting hole,

the supporting mechanism comprises three supporting legs positioned below the containing table, rotating shafts are arranged on two sides of the upper ends of the supporting legs, first rolling bearings are arranged at one ends of the rotating shafts and are arranged on the lower surface of the containing table through first supporting rods, first limiting blocks are arranged on the upper ends of the supporting legs, second limiting blocks are arranged on one sides of the first limiting blocks, the first limiting blocks and the second limiting blocks are both arranged on the lower surface of the containing table, square grooves are formed in the lower ends of the supporting legs, threaded through holes are formed in one sides of the square grooves, positioning screw rods are connected in the threaded through holes through threads, telescopic extension rods are arranged in the square grooves, a transmission frame is arranged on one side of each supporting leg, the three supporting legs can be unfolded through the transmission frame when the limiting sleeve moves downwards, and a leveling mechanism is arranged at the lower ends of the extension rods,

leveling mechanism is including the circular through-hole that is located the extension rod lower extreme, the dwang is equipped with to circular through-hole endotheca, the dead lever is installed at the dwang both ends, the extension rod below is equipped with the elevator, elevator upper surface and dead lever lower extreme fixed connection, the elevator lower extreme is opened there is circular recess, be equipped with adjusting screw in the circular recess, the ring limiting plate is installed to circular recess lower extreme, the elevator below is equipped with the supporting shoe, threaded hole is opened to the supporting shoe upper end, adjusting screw lower extreme and threaded hole pass through threaded connection, the rotating turret is installed to the adjusting screw upper end, hold a plurality of pipe spirit levels of surface mounting.

Further, the driving frame is including the transmission shaft that is located supporting leg one side, second antifriction bearing is installed at the transmission shaft both ends, second antifriction bearing passes through the second bracing piece and installs and hold a lower surface, install first gear on the transmission shaft, supporting leg one side is equipped with the second gear, the second gear is installed in an axis of rotation, first gear and second gear pass through drive chain and connect, install one-way bearing on the transmission shaft, drive gear is installed in the one-way bearing outside, a plurality of lifting rack are installed in the stop collar outside, lifting rack can mesh with drive gear, install the ratchet on the transmission shaft, the ratchet upper end is connected with the pawl, it installs a plurality of elevating platforms to hold a lower extreme, pawl upper end fixed mounting is on the elevating platform.

Further, hold the bench and still install canceling release mechanical system, canceling release mechanical system is including the fixed plate that is located supporting leg one side, the telescopic spring connection is passed through to fixed plate lower extreme and supporting leg upper end one side, open at the elevating platform both ends has the guiding hole, be equipped with the guide bar in the guiding hole, guide bar upper end fixed mounting holds a lower surface, the guide bar lower extreme passes the guiding hole and stretches to the elevating platform below, the guard plate is installed to the guide bar lower extreme, the elevating platform upper surface with hold a lower surface and pass through a plurality of coupling spring and connect, stop sleeve can promote the elevating platform top to the top when moving the top lifting rack.

Furthermore, the upper end of the square groove is provided with a limiting opening, the upper end of the extension rod is provided with a sliding groove, the upper end of the sliding groove is provided with a positioning hole, one side of the fixing plate is provided with a first spring thimble, the telescopic end of the first spring thimble is provided with a positioning wheel, and the upper end of the square groove is provided with a pushing spring.

Further, the cross-sectional shape in spacing hole is the trapezoidal form of upper and lower slope, spacing including installing the second spring thimble at the lifting rack upper surface, the pulley is installed to the flexible end of second spring thimble, the pulley can stretch to spacing downthehole, L shape connecting plate is installed to the flexible end of second spring thimble, and it has the fixed orifices to open on the L shape connecting plate, and third spring thimble is installed to second spring thimble stiff end, and the wheel is rotated to the flexible end upper end of third spring thimble, rotates the wheel and can stretch to spacing downthehole, and L shape lifter plate is installed to the flexible end one side of third spring thimble, and L shape lifter plate top is equipped with the slurcam, and slurcam fixed mounting holds a lower surface at, when spacing sleeve removed the highest point, the slurcam can promote L shape lifter plate below.

Furthermore, the rotating frame comprises a first bevel gear fixedly mounted at the upper end of the adjusting screw rod, the first bevel gear is meshed with a second bevel gear, a transmission rod is mounted at one end of the second bevel gear, a third rolling bearing is mounted on the transmission rod and mounted on the lower surface of the lifting block through a third support rod, and a hexagonal prism-shaped fixing block is mounted at one end of the transmission rod.

Furthermore, a guide slide way is installed on one side of the lower end of the positioning pipe, a stop block is installed at the lower end of the guide slide way, a guide block is installed at one end of the pedal, one end of the guide block stretches into the guide slide way, a cushion block is installed on one side of the lower surface of the pedal, and the upper surface of the pedal is connected with the lower end of the limiting sleeve through a reset spring.

The invention has the beneficial effects that: the positioning tube is directly placed on the measuring base point to quickly position the positioning tube, after positioning, a user steps on a pedal to pull the containing table upwards, the height of the containing table can be limited through the connection of the limiting frame and the limiting hole, and the total station is convenient to use by people with different heights, when the containing table moves, the three supporting legs can be opened simultaneously through the transmission of the transmission frame, the extension rod can automatically move downwards and fall onto the ground under the action of gravity, the supporting block at the lower end of the extension rod can just touch the ground without the need of adjusting the length of the extension rod by a worker, the upper end of the containing table is approximately in a horizontal state, then the extension rod can be fixed through the positioning screw rod, the observation tube level gauge judges whether the upper end of the containing table is in a horizontal state, the height of the extension rod can be adjusted by rotating the adjusting screw rod, the containing table can be conveniently adjusted to the horizontal state, then the total station is installed at the upper end of the containing table, the positioning point of the total station is just near the measuring base point, the position of the total station can be measured, the fine adjustment device can be quickly adjusted without the position adjustment device, and the total station can be more conveniently and can be used more horizontally,

after the total station is used, the total station is taken down, the connection between the limiting frame and the limiting hole is disconnected, the positioning screw rod is unscrewed, the containing table is pressed downwards, the extension rod can return to the square groove, the supporting leg can be rotated back to the original position under the action of the transmission frame, and the occupied space of the device can be further reduced,

the transmission frame is driven by the gear, the three supporting legs can be automatically opened when the containing table moves upwards, the supporting legs can be prevented from being reversed by the ratchet wheel and the pawl, the stability of the device can be ensured, when the containing table moves downwards, the lifting table and the pawl can be pushed towards the direction far away from the ratchet wheel by the lifting rack, the pawl can be conveniently separated from the ratchet wheel, and then the supporting legs can be conveniently returned to the original position under the action of gravity and the pulling force of the spring,

spacing hole is trapezoidal, can be when holding platform and hexagonal pipe upward movement, under the effect on inclined plane, compress second spring thimble, can be convenient for will hold the platform pulling, when holding platform promotion downwards, spacing hole can intercept second spring thimble, prevent to hold the platform removal, stimulate L shape connecting plate by the staff, can make third spring thimble upper end stretch in the fixed orifices, can make second spring thimble be in compression state, and make the pulley remove from spacing hole, and then can be convenient for hold the platform and remove downwards, then promote L shape lifter plate downwards through the slurcam, can emit second spring thimble, need not the staff adjustment, it is more convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of a rapidly positionable total station support apparatus according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is an enlarged view of a portion of FIG. 1 at D;

FIG. 6 is an enlarged view of a portion of FIG. 1 at E;

fig. 7 is a schematic cross-sectional view of a rapidly positionable total station support apparatus of the present invention in a bottom view;

FIG. 8 is a schematic view of the connection between the guide chute and the guide block according to the present invention;

FIG. 9 is a schematic view showing the position relationship between the limiting frame and the pushing plate according to the present invention;

fig. 10 is a schematic view of a rapidly positionable total station support apparatus of the present invention in a retracted condition;

FIG. 11 is an enlarged view of a portion of FIG. 10 at F;

FIG. 12 is an enlarged view of a portion of FIG. 10 at G;

in the figure, 1, a containing table; 2. a circular hole; 3. a hexagonal tube; 4. a limiting sleeve; 5. a positioning tube; 6. treading a pedal; 7. a limiting rod; 8. a limiting groove; 9. a limiting hole; 10. a limiting frame; 11. supporting legs; 12. a rotating shaft; 13. a first rolling bearing; 14. a first support bar; 15. a first stopper; 16. a second limiting block; 17. a square groove; 18. a threaded through hole; 19. positioning a screw rod; 20. an extension rod; 21. a transmission frame; 22. a circular through hole; 23. rotating the rod; 24. fixing the rod; 25. a lifting block; 26. a circular groove; 27. adjusting the screw rod; 28. a circular ring limiting plate; 29. a support block; 30. a threaded hole; 31. a rotating frame; 32. a tube level; 33. a drive shaft; 34. a second rolling bearing; 35. a second support bar; 36. a first gear; 37. a second gear; 38. a drive chain; 39. a one-way bearing; 40. a transmission gear; 41. a lifting rack; 42. a ratchet wheel; 43. a pawl; 44. a lifting platform; 45. a fixing plate; 46. a tension spring; 47. a guide hole; 48. a guide bar; 49. a protection plate; 50. a connecting spring; 51. a limiting port; 52. a chute; 53. positioning holes; 54. a first spring thimble; 55. positioning wheels; 56. a push spring; 57. a second spring thimble; 58. a pulley; 59. an L-shaped connecting plate; 60. a fixing hole; 61. a third spring thimble; 62. a rotating wheel; 63. an L-shaped lifter plate; 64. a push plate; 65. a first bevel gear; 66. a second bevel gear; 67. a transmission rod; 68. a third rolling bearing; 69. a third support bar; 70. a hexagonal prism-shaped fixed block; 71. a guide slide way; 72. a stopper; 73. a guide block; 74. cushion blocks; 75. a return spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The invention provides a total station supporting device capable of quickly positioning, which is shown in figures 1-12 and comprises a containing table 1, wherein the upper end of the containing table 1 is provided with a round hole 2, the total station is installed on the containing table 1 through bolt connection, a lifting positioning mechanism is installed on the containing table 1, the lower end of the containing table 1 is provided with a supporting mechanism, the lifting positioning mechanism comprises a hexagonal pipe 3 fixedly installed on the lower surface of the containing table 1, the hexagonal pipe 3 is positioned below the round hole 2, the outer side of the hexagonal pipe 3 is sleeved with a limiting sleeve 4, the lower end of the limiting sleeve 4 is provided with a positioning pipe 5, one side of the lower end of the positioning pipe 5 is provided with a pedal 6 in a lifting manner, the lower end of the outer side of the hexagonal pipe 3 is provided with a plurality of limiting rods 7, the inner side of the limiting sleeve 4 is provided with a plurality of limiting grooves 8, one end of each limiting rod 7 is positioned in each limiting groove 8, the hexagonal pipe 3 is provided with a plurality of limiting holes 9, the upper end of each limiting sleeve 4 is provided with a limiting frame 10, one end of a limiting frame 10 can be inserted into a limiting hole 9, the supporting mechanism comprises three supporting legs 11 positioned below a containing platform 1, two sides of the upper end of each supporting leg 11 are provided with rotating shafts 12, one end of each rotating shaft 12 is provided with a first rolling bearing 13, the first rolling bearing 13 is arranged on the lower surface of the containing platform 1 through a first supporting rod 14, the upper end of each supporting leg 11 is provided with a first limiting block 15, one side of each first limiting block 15 is provided with a second limiting block 16, the first limiting block 15 and the second limiting block 16 are both arranged on the lower surface of the containing platform 1, the lower end of each supporting leg 11 is provided with a square groove 17, one side of each square groove 17 is provided with a threaded through hole 18, a positioning screw rod 19 is connected in each threaded through a thread, a telescopic extension rod 20 is arranged in each square groove 17, one side of each supporting leg 11 is provided with a transmission frame 21, and the three supporting legs 11 can be unfolded simultaneously through the transmission frames 21 when the limiting sleeve 4 moves downwards, the lower end of the extension rod 20 is provided with a leveling mechanism, the leveling mechanism comprises a circular through hole 22 positioned at the lower end of the extension rod 20, a rotating rod 23 is sleeved in the circular through hole 22, fixing rods 24 are arranged at two ends of the rotating rod 23, a lifting block 25 is arranged below the extension rod 20, the upper surface of the lifting block 25 is fixedly connected with the lower end of the fixing rod 24, a circular groove 26 is formed at the lower end of the lifting block 25, an adjusting screw 27 is arranged in the circular groove 26, a circular ring limiting plate 28 is arranged at the lower end of the circular groove 26, a supporting block 29 is arranged below the lifting block 25, the upper end of the supporting block 29 is provided with a threaded hole 30, the lower end of the adjusting screw 27 is connected with the threaded hole 30 through threads, a rotating frame 31 is arranged at the upper end of the adjusting screw 27, a plurality of pipe levels 32 are arranged on the upper surface of the holding table 1,

the quick positioning process of the device is as follows: in a normal state, the supporting legs 11 and the containing table 1 are in a vertical state, the limiting sleeve 4 and the containing table 1 are in the closest position, when in use, the positioning tube 5 is placed on a measuring base point on the ground by a worker, a user steps on the pedal 6, then the containing table 1 is pulled upwards, the limiting sleeve 4 cannot move, when the containing table 1 moves upwards, the hexagonal tube 3 and the supporting legs 11 can move upwards, the limiting rod 7 and the limiting groove 8 can ensure the moving direction of the hexagonal tube 3, when the hexagonal tube 3 moves, the limiting hole 9 can move upwards, after the containing table 1 is moved to a specified height according to the height of the user, the limiting frame 10 is inserted into the limiting hole 9, the containing table 1 can be fixed, when the containing table 1 moves upwards, the three supporting legs 11 can be simultaneously pushed outwards through the action of the transmission frame 21, the supporting leg 11 rotates around the rotating shaft 12, the second limiting block 16 can limit the supporting leg 11 in an inclined state, after the supporting table 11 rotates for a certain angle, the extension rod 20 can slide upwards under the action of gravity, the supporting block 29 below the extension rod 20 falls on the ground, the length of the extension rod 20 can be automatically adjusted without a worker, even if the supporting table 11 is on the inclined ground, at the moment, the holding table 1 is firstly roughly adjusted to be horizontal by the user, then the positioning screw rod 19 rotates, one end of the positioning screw rod 19 can move towards the direction close to the extension rod 20 through the threaded connection of the positioning screw rod 19 and the threaded through hole 18, the positioning screw rod 19 is fixed, then the worker drives the adjusting screw rod 27 to rotate by using the rotating frame 31, and is connected with the threaded hole 30 through the threads of the adjusting screw rod 27, the heights of the lifting block 25 and the extension rod 20 can be adjusted, the containing table 1 can be adjusted horizontally through the observation tube level gauge 32, then the total station is installed on the containing table 1 through bolt connection, the positioning end of the total station is made to irradiate a measuring base point on the ground through the round hole 2, the hexagonal tube 3 and the limiting sleeve 4, the total station can be used after being finely adjusted,

after the measurement is finished, the total station is taken down, the positioning screw rod 19 is unscrewed by a user, the limiting frame 10 is taken out from the limiting hole 9, then the containing table 1 is pressed downwards, the hexagonal pipe 3 can return to the limiting sleeve 4, the extension rod 20 returns to the square groove 17, the three supporting legs 11 can be rotated back to the original position through the transmission frame 21, and the occupied space of the device can be further reduced,

referring to the attached drawings 1, 2, 3, 7, 10 and 11 of the specification, a transmission frame 21 comprises a transmission shaft 33 positioned on one side of a supporting leg 11, second rolling bearings 34 are arranged at two ends of the transmission shaft 33, the second rolling bearings 34 are arranged on the lower surface of a containing table 1 through a second support rod 35, a first gear 36 is arranged on the transmission shaft 33, a second gear 37 is arranged on one side of the supporting leg 11, the second gear 37 is arranged on a rotating shaft 12, the first gear 36 and the second gear 37 are connected through a transmission chain 38, a one-way bearing 39 is arranged on the transmission shaft 33, a transmission gear 40 is arranged on the outer side of the one-way bearing 39, a plurality of lifting racks 41 are arranged on the outer side of a limiting sleeve 4, the lifting racks 41 can be meshed with the transmission gear 40, a ratchet 42 is arranged on the transmission shaft 33, a pawl 43 is connected to the upper end of the ratchet 42, a plurality of lifting tables 44 are arranged at the lower end of the containing table 1, the upper end of the pawl 43 is fixedly arranged on the lifting tables 44,

the process that the transmission frame 21 drives the supporting leg 11 to rotate is as follows: when the holding table 1 moves upwards, the second rolling bearing 34, the transmission shaft 33, the one-way bearing 39 and the transmission gear 40 can be driven to move upwards through the second support rod 35, when the transmission gear 40 moves upwards, the lifting rack 41 can be meshed with the transmission gear 40, and then the transmission gear 40, the one-way bearing 39, the transmission shaft 33, the first gear 36 and the ratchet gear 42 can be driven to rotate, when the transmission gear 40 moves upwards, the pawl 43 does not intercept the ratchet gear 42, the transmission shaft 33 can be convenient to rotate, the first gear 36 and the second gear 37 are connected through the transmission chain 38, the second gear 37 and the rotating shaft 12 can be driven to rotate, and then the supporting leg 11 can be driven to rotate, after the lifting rack 41 is disconnected with the transmission gear 40, the pawl 43 and the ratchet gear 42 can prevent the transmission shaft 33 from reversing, and then the rotating shaft 12 can be fixed, the supporting leg 11 cannot return to the original position, after the use, the holding table 1 is pushed downwards, the second rolling bearing 34, the transmission shaft 33, the one-way bearing 39 and the transmission gear 40 can be driven to rotate through the second rolling bearing 35, when the transmission gear 40 moves downwards, the transmission gear 40 can be enabled to move downwards, the lifting rack 41 can be meshed with the transmission gear 40, the ratchet gear 40 can drive the transmission shaft 33 and then the ratchet gear 33 can rotate, the supporting leg 33 can be connected with the support leg 11, and then the support leg 11 can be connected to the lifting rack 33, and the support leg 11 can be convenient to rotate,

referring to the attached drawings 1, 3, 10 and 11 of the specification, a reset mechanism is further installed on the placing table 1, the reset mechanism comprises a fixing plate 45 located on one side of the supporting leg 11, the lower end of the fixing plate 45 is connected with one side of the upper end of the supporting leg 11 through a telescopic spring 46, guide holes 47 are formed in two ends of the lifting table 44, guide rods 48 are arranged in the guide holes 47, the upper ends of the guide rods 48 are fixedly installed on the lower surface of the placing table 1, the lower ends of the guide rods 48 penetrate through the guide holes 47 to extend below the lifting table 44, a protection plate 49 is installed at the lower ends of the guide rods 48, the upper surface of the lifting table 44 is connected with the lower surface of the placing table 1 through a plurality of connecting springs 50, the lifting rack 41 can push the lifting table 44 upwards when the limiting sleeve 4 moves to the uppermost position,

the process of the support leg 11 resetting is as follows: under normal state, the supporting leg 11 and the platform 1 are in vertical state, when the supporting leg 11 rotates outwards, the extension spring 46 can be stretched, the lifting platform 44 moves downwards under the action of gravity and the elastic force of the connecting spring 50, and the pawl 43 is connected with the ratchet wheel 42, the guide rod 48 and the guide hole 47 can ensure the moving direction of the lifting platform 44, the protective plate 49 can limit the lifting platform 44, when the platform 1 moves downwards, the lifting rack 41 can push the lifting platform 44 upwards, and pull the pawl 43 upwards, so that the pawl 43 is disconnected with the ratchet wheel 42, at this time, the transmission shaft 33 can rotate freely, and under the action of the elastic force of the extension spring 46, the supporting leg 11 can be pulled back to the original position,

referring to the attached drawings 1, 3, 5, 10 and 12 of the specification, the upper end of the square groove 17 is provided with a limit opening 51, the upper end of the extension rod 20 is provided with a sliding chute 52, the upper end of the sliding chute 52 is provided with a positioning hole 53, one side of the fixing plate 45 is provided with a first spring thimble 54, the telescopic end of the first spring thimble 54 is provided with a positioning wheel 55, the inner upper end of the square groove 17 is provided with a pushing spring 56,

the extension rod 20 extends and retracts in the square groove 17 in the following process: under normal state, the supporting leg 11 is in vertical state, the extending rod 20 is contracted in the square groove 17 and compresses the pushing spring 56, the first spring thimble 54 pushes the positioning wheel 55 into the positioning hole 53 to limit the extending rod 20, when the supporting leg 11 rotates outwards, the positioning wheel 55 can move out from the positioning hole 53, then under the action of gravity and the elastic force of the pushing spring 56, the extending rod 20 can move downwards, after use, the user pushes the holding table 1 downwards and rotates the supporting leg 11 to vertical state, the positioning wheel 55 can move into the square groove 17 through the limiting opening 51, then the extending rod 20 is pushed towards the inner side of the square groove 17, the chute 52 can move to the positioning wheel 55, under the action of the inclined plane of the chute 52, the first spring thimble 54 can be compressed, when the positioning wheel 55 moves to the positioning hole 53, under the elastic force of the first spring thimble 54, the positioning wheel 55 can be pushed into the positioning hole 53, and then the extending rod 20 can be positioned,

referring to the attached drawings 1, the attached drawings 2, the attached drawings 7, the attached drawings 9, the attached drawings 10 and the attached drawings 11 of the specification of the drawings, the cross-sectional shape of the limiting hole 9 is a trapezoid shape with a flat upper part and a slant lower part, the limiting frame 10 comprises a second spring thimble 57 arranged on the upper surface of the lifting rack 41, a pulley 58 is arranged at the telescopic end of the second spring thimble 57, the pulley 58 can extend into the limiting hole 9, an L-shaped connecting plate 59 is arranged at the upper end of the telescopic end of the second spring thimble 57, a fixed hole 60 is arranged at the upper end of the L-shaped connecting plate 59, a third spring thimble 61 is arranged at the fixed end of the second spring thimble 57, a rotating wheel 62 is arranged at the upper end of the telescopic end of the third spring thimble 61, the rotating wheel 62 can extend into the limiting hole 9, an L-shaped lifting plate 63 is arranged at one side of the telescopic end of the third spring thimble 61, a pushing plate 64 is arranged above the L-shaped lifting plate 63, the pushing plate 64 is fixedly arranged on the lower surface of the holding platform 1, when the limiting sleeve 4 moves to the highest position, the L-shaped lifting plate 64 can push the L-shaped lifting plate 63 downwards,

the connection process of the limiting frame 10 and the limiting hole 9 is as follows: normally, when the placing table 1 and the limiting sleeve 4 are at the nearest position, the second spring ejector pins 57 and the third spring ejector pins 61 are in a compressed state, one end of the pulley 58 abuts against the hexagonal tube 3, when the placing table 1 moves upward, the hexagonal tube 3 and the limiting hole 9 can move downward, when the limiting hole 9 moves to the pulley 58, the pulley 58 can be pushed into the limiting hole 9 under the elastic force of the second spring ejector pins 57, if the placing table 1 is at a lower height, the placing table 1 is continuously pulled upward, the inclined surface of the lower end of the limiting hole 9 moves to the pulley 58, the second spring ejector pins 57 can be compressed under the action of the inclined surface, the pulley 58 moves to the outside of the limiting hole 9, when the placing table 1 reaches a specified height, the placing table 1 stops being pulled, the placing table 1 and the hexagonal tube 3 can move downward under the action of gravity, then the hexagonal tube 3 and the placing table 1 can be supported by the pulley 58, after use, the L-shaped connecting plate 59 is pulled to one side, the rotating plate 59 is fixed to the rotating plate 60, the rotating plate 60 can be moved downward, the third spring ejector pins 60 can be moved to the rotating plate 60, the third spring ejector pins 60 can be moved downward and the placing table 58 can be moved under the rotating plate 60, the rotating plate 60 can be moved, the rotating plate 60, when the third spring ejector pins 60 is moved to be moved to the placing table 58, the rotating plate 60 is moved downward, and the fixing hole 60 is moved to one side above the rotating wheel 62 without the need of the worker to loosen the L-shaped connecting plate 59, the use is more convenient,

referring to the accompanying drawings 1 and 4 in the specification, the rotating frame 31 comprises a first bevel gear 65 fixedly mounted at the upper end of the adjusting screw 27, the first bevel gear 65 is engaged with a second bevel gear 66, one end of the second bevel gear 66 is provided with a transmission rod 67, a third rolling bearing 68 is mounted on the transmission rod 67, the third rolling bearing 68 is mounted on the lower surface of the lifting block 25 through a third support rod 69, one end of the transmission rod 67 is provided with a hexagonal prism-shaped fixing block 70,

the process of the rotating frame 31 driving the adjusting screw 27 to rotate is as follows: the user uses a sleeve tool to sleeve the outer side of the hexagonal prism-shaped fixed block 70 and rotate the hexagonal prism-shaped fixed block, the transmission rod 67 and the second bevel gear 66 can be driven to rotate, the second bevel gear 66 is meshed with the first bevel gear 65, the first bevel gear 65 and the adjusting screw 27 can be driven to rotate, and then the position of the lifting block 25 can be adjusted,

referring to the attached drawings 1, 6, 8 and 10 of the specification, a guide slideway 71 is arranged on one side of the lower end of a positioning pipe 5, a stop block 72 is arranged on the lower end of the guide slideway 71, a guide block 73 is arranged at one end of a pedal 6, one end of the guide block 73 extends into the guide slideway 71, a cushion block 74 is arranged on one side of the lower surface of the pedal 6, the upper surface of the pedal 6 is connected with the lower end of a limit sleeve 4 through a return spring 75,

the process of ascending and descending the pedal 6 is as follows: when meeting the position on inclined plane, step 6 can not fall to the ground, otherwise can influence the straightness that hangs down of registration arm 5, and then has increased the application range of this device, when the staff is trampled on step 6, can make step 6 move downwards, guide block 73 and direction slide 71 can guarantee the moving direction of step 6, and stretch reset spring 75, after cushion 74 falls to the ground, step 6 stops to remove, after loosening step 6, under the spring action of reset spring 75, can pull back step 6 the normal position.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. A total station supporting device capable of being quickly positioned comprises a containing table (1), wherein a round hole (2) is formed in the upper end of the containing table (1), the total station is installed on the containing table (1) through bolt connection, the total station supporting device is characterized in that a lifting positioning mechanism is installed on the containing table (1), a supporting mechanism is installed at the lower end of the containing table (1),

the lifting positioning mechanism comprises a hexagonal pipe (3) fixedly arranged on the lower surface of the containing table (1), the hexagonal pipe (3) is positioned below the round hole (2), a limiting sleeve (4) is sleeved outside the hexagonal pipe (3), a positioning pipe (5) is arranged at the lower end of the limiting sleeve (4), a pedal (6) is arranged on one side of the lower end of the positioning pipe (5) in a lifting manner, a plurality of limiting rods (7) are arranged at the lower end of the outer side of the hexagonal pipe (3), a plurality of limiting grooves (8) are formed in the inner side of the limiting sleeve (4), one end of each limiting rod (7) is positioned in each limiting groove (8), a plurality of limiting holes (9) are formed in the hexagonal pipe (3), a limiting frame (10) is arranged at the upper end of the limiting sleeve (4), and one end of each limiting frame (10) can be inserted into each limiting hole (9),

the supporting mechanism comprises three supporting legs (11) positioned below the containing platform (1), rotating shafts (12) are arranged on two sides of the upper end of each supporting leg (11), a first rolling bearing (13) is arranged at one end of each rotating shaft (12), the first rolling bearings (13) are arranged on the lower surface of the containing platform (1) through first supporting rods (14), a first limiting block (15) is arranged at the upper end of each supporting leg (11), a second limiting block (16) is arranged on one side of each first limiting block (15), the first limiting blocks (15) and the second limiting blocks (16) are both arranged on the lower surface of the containing platform (1), a square groove (17) is formed in the lower end of each supporting leg (11), a threaded through hole (18) is formed in one side of each square groove (17), a positioning screw rod (19) is connected in each threaded through a thread in each threaded through hole (18), a telescopic extending rod (20) is arranged in each square groove (17), a transmission frame (21) is arranged on one side of each supporting leg (11), the three supporting legs (11) can be simultaneously unfolded through the transmission frames (21) when the limiting sleeves (4) move downwards, and leveling mechanisms are arranged at the lower ends of the extending rods (20),

leveling mechanism is including being located circular through-hole (22) of extension rod (20) lower extreme, dwang (23) are equipped with to circular through-hole (22) endotheca, dead lever (24) are installed at dwang (23) both ends, extension rod (20) below is equipped with lift block (25), lift block (25) upper surface and dead lever (24) lower extreme fixed connection, lift block (25) lower extreme is opened there is circular recess (26), be equipped with adjusting screw (27) in circular recess (26), ring limiting plate (28) are installed to circular recess (26) lower extreme, lift block (25) below is equipped with supporting shoe (29), threaded hole (30) are opened to supporting shoe (29) upper end, adjusting screw (27) lower extreme and threaded hole (30) are through threaded connection, rotating turret (31) are installed to adjusting screw (27) upper end, it has a plurality of pipe spirit levels ware (32) to hold platform (1) upper surface mounting.

2. The total station supporting device capable of being quickly positioned according to claim 1, wherein the transmission frame (21) comprises a transmission shaft (33) positioned on one side of the supporting leg (11), second rolling bearings (34) are installed at two ends of the transmission shaft (33), the second rolling bearings (34) are installed on the lower surface of the containing table (1) through second supporting rods (35), a first gear (36) is installed on the transmission shaft (33), a second gear (37) is arranged on one side of the supporting leg (11), the second gear (37) is installed on one rotating shaft (12), the first gear (36) and the second gear (37) are connected through a transmission chain (38), a one-way bearing (39) is installed on the transmission shaft (33), a transmission gear (40) is installed on the outer side of the one-way bearing (39), a plurality of lifting racks (41) are installed on the outer side of the limiting sleeve (4), the lifting racks (41) can be meshed with the transmission gear (40), a ratchet wheel (42) is installed on the transmission shaft (33), an upper end of the ratchet wheel (42) is connected with a pawl (43), a plurality of lifting racks (44) are installed on the upper end of the lifting table (44) and are fixedly installed on the upper end of the lifting table (44).

3. The total station support device capable of being rapidly positioned according to claim 2, wherein a reset mechanism is further installed on the holding table (1), the reset mechanism comprises a fixing plate (45) located on one side of the supporting leg (11), the lower end of the fixing plate (45) is connected with one side of the upper end of the supporting leg (11) through a telescopic spring (46), guide holes (47) are formed in two ends of the lifting table (44), guide rods (48) are arranged in the guide holes (47), the upper ends of the guide rods (48) are fixedly installed on the lower surface of the holding table (1), the lower ends of the guide rods (48) penetrate through the guide holes (47) and extend below the lifting table (44), a protection plate (49) is installed at the lower end of each guide rod (48), the upper surface of the lifting table (44) and the lower surface of the holding table (1) are connected through a plurality of connecting springs (50), and the lifting rack (41) can push the lifting table (44) upwards when the limiting sleeve (4) moves to the uppermost position.

4. The total station supporting device capable of being rapidly positioned according to claim 3, wherein a limiting opening (51) is formed at the upper end of the square groove (17), a sliding groove (52) is formed at the upper end of the extension rod (20), a positioning hole (53) is formed at the upper end of the sliding groove (52), a first spring ejector pin (54) is installed at one side of the fixing plate (45), a positioning wheel (55) is installed at the telescopic end of the first spring ejector pin (54), and a pushing spring (56) is installed at the inner upper end of the square groove (17).

5. The total station supporting device capable of being quickly positioned according to claim 2, wherein the cross-sectional shape of the limiting hole (9) is a trapezoid shape with a flat top and a slant bottom, the limiting frame (10) comprises a second spring ejector pin (57) installed on the upper surface of the lifting rack (41), a pulley (58) is installed at the telescopic end of the second spring ejector pin (57), the pulley (58) can extend into the limiting hole (9), an L-shaped connecting plate (59) is installed at the upper end of the telescopic end of the second spring ejector pin (57), a fixing hole (60) is formed in the upper end of the L-shaped connecting plate (59), a third spring ejector pin (61) is installed at the fixed end of the second spring ejector pin (57), a rotating wheel (62) is installed at the upper end of the telescopic end of the third spring ejector pin (61), an L-shaped lifting plate (63) is installed on one side of the telescopic end of the third spring ejector pin (61), a pushing plate (64) is fixedly installed on the lower surface of the accommodating platform (1), and the pushing plate (4) can move towards the highest lifting plate (64) when moving to the position.

6. The total station support device capable of being rapidly positioned according to claim 1, wherein the rotating frame (31) comprises a first bevel gear (65) fixedly installed at the upper end of the adjusting screw (27), the first bevel gear (65) is engaged with a second bevel gear (66), one end of the second bevel gear (66) is provided with a transmission rod (67), a third rolling bearing (68) is installed on the transmission rod (67), the third rolling bearing (68) is installed on the lower surface of the lifting block (25) through a third support rod (69), and one end of the transmission rod (67) is provided with a hexagonal prism-shaped fixing block (70).

7. The total station supporting device capable of being rapidly positioned according to claim 1, wherein a guide slide way (71) is installed on one side of the lower end of the positioning tube (5), a stop block (72) is installed at the lower end of the guide slide way (71), a guide block (73) is installed at one end of the pedal (6), one end of the guide block (73) extends into the guide slide way (71), a cushion block (74) is installed on one side of the lower surface of the pedal (6), and the upper surface of the pedal (6) and the lower end of the limiting sleeve (4) are connected through a return spring (75).

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