CN114858142A

CN114858142A - Total powerstation strutting arrangement that can open fast

Info

Publication number: CN114858142A
Application number: CN202210491305.1A
Authority: CN
Inventors: 王浩宇
Original assignee: Hebei Hualing Geographic Information Engineering Co ltd
Current assignee: Hebei Hualing Geographic Information Engineering Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-08-05
Anticipated expiration: 2042-05-10
Also published as: CN114858142B

Abstract

The invention discloses a total station supporting device capable of being opened quickly, which comprises a containing disc, wherein a circular through hole is formed in the containing disc, the upper end of the containing disc is connected with a total station through a bolt, laser at the lower end of the total station can irradiate a datum point on the ground through the circular through hole, the lower end of the containing disc is rotatably connected with three supporting legs, a quick unfolding mechanism is installed on the containing disc, a height adjusting mechanism is installed at the lower end of each supporting leg, and a fixing mechanism is arranged below the containing disc. The invention has the advantages that the three supporting legs can be synchronously and rapidly opened, holes are formed in the supporting legs, the telescopic rod can be rapidly positioned through the limiting mechanism, the telescopic rod can be suitable for different workers to use at different geographical positions, the metal plate can be attracted through the electromagnet to prevent shaking, whether the metal plate shakes or not can be detected through the detector, and the detection precision is ensured.

Description

Total powerstation strutting arrangement that can open 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 opened quickly.

Background

The total station is a high-tech measuring instrument integrating light collection, machinery and electricity, and is a surveying instrument system integrating horizontal angle, vertical angle, distance and altitude difference measurement functions, and can complete all measurement work on the station due to the fact that the total station is arranged once, so the total station is called and widely applied to the field of precision engineering measurement or deformation monitoring such as overground large-scale buildings and underground tunnel construction.

In the prior art, for example, patent No. CN202120112327.3, entitled quadripod or tripod for quick telescopic positioning and easy opening, the lock handle on the middle pipe is pulled out or partially pulled out to drive four or three connecting rods which are connected with one end of the middle pipe in a shaft way and the other end of each connecting rod is hinged and linked with the outer pipe, the angles of the four groups or three groups of extension tubes can be synchronously and quickly opened at the same time, but the total station has problems in use, the total station needs to be arranged at the upper end of a tripod, and for the convenience of positioning, a hole is opened at the upper end of the tripod, so that the laser of the total station can irradiate on the ground, although the tripod in the above patent can be opened quickly, however, no hole is formed in the tripod, and the total station cannot be positioned with a reference point on the ground after being mounted on the tripod, so that the tripod in the prior art is not suitable for supporting the total station.

Disclosure of Invention

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

The technical scheme of the invention is that the total station supporting device capable of being opened rapidly comprises a containing disc, wherein a circular through hole is formed in the containing disc, the upper end of the containing disc is connected with a total station through a bolt, laser at the lower end of the total station can irradiate a reference point on the ground through the circular through hole, the lower end of the containing disc is rotatably connected with three supporting legs, a rapid unfolding mechanism is installed on the containing disc, a height adjusting mechanism is installed at the lower end of each supporting leg, a fixing mechanism is arranged below the containing disc,

the quick unfolding mechanism comprises a rotating shaft fixedly arranged at the upper ends of the supporting legs, first rolling bearings are arranged at two ends of the rotating shaft and are arranged on the lower surface of the containing tray through first supporting rods, a pushing mechanism capable of pushing the three supporting legs outwards and pulling the three supporting legs back is arranged at the lower end of the containing tray,

the height adjusting mechanism comprises a square groove positioned at the lower end of the supporting leg, a telescopic rod is arranged in the square groove, the telescopic rod can move in the square groove, a limiting mechanism capable of fixing the telescopic rod is arranged on the supporting leg,

the fixing mechanism comprises a first circular ring plate located below the containing disc, the circle center position of the first circular ring plate coincides with a measuring reference point, a second circular ring plate is arranged on the outer side of the first circular ring plate, the first circular ring plate and the second circular ring plate correspond in a concentric mode, the first circular ring plate and the second circular ring plate are connected through a plurality of connecting plates, the first circular ring plate and the second circular ring plate are fixedly installed on the ground in advance, three electromagnets are installed at the upper end of the second circular ring plate, a metal plate capable of being attracted by magnetic force of the electromagnets is arranged below the telescopic rod, the metal plate can ascend and descend and is connected with the lower end of the telescopic rod, a detection plate is installed on one side of the upper surface of the metal plate, and a detector capable of detecting whether the detection plate shakes is installed on one side of the electromagnets.

Further, the pushing mechanism comprises a rotating cylinder positioned below the containing disc, the rotating cylinder concentrically corresponds to the circular through hole, a second rolling bearing is mounted at the upper end of the rotating cylinder, a first bevel gear is mounted at the upper end of the second rolling bearing and is mounted at the lower surface of the containing disc, the lower end of the rotating cylinder is provided with a first bevel gear, the first bevel gear is meshed with three second bevel gears, the three second bevel gears are respectively positioned at one sides of the three support legs, a rotating rod is mounted at one side of the second bevel gear, a third rolling bearing is mounted on the rotating rod and is mounted at the lower surface of the containing disc through a second support rod, a third bevel gear is mounted at one end of the rotating rod and is meshed with a fourth bevel gear, a transmission shaft is mounted at one side of the fourth bevel gear, fourth rolling bearings are mounted at two ends of the transmission shaft and are mounted at the lower surface of the containing disc through a third support rod, and a first gear is mounted on the transmission shaft, the movable rack is meshed above the first gear, a guide slide way is arranged above the movable rack, the guide slide way is fixedly mounted on the lower surface of the containing disc, the upper end of the movable rack extends into the guide slide way, a second gear is mounted at one end of the rotating shaft, and the second gear is meshed with the movable rack.

Further, the support column is installed to first bevel gear upper surface one side, and it has the arc breach to hold set upper end and open, and in the arc breach was stretched to the support column upper end, the dead lever was installed to the support column upper end, and fixed axle and support column upper surface connection are passed through to dead lever lower extreme both sides, and the dead lever outside cover is equipped with hollow cylinder, and the arc pole is installed to hollow cylinder upper end, and in the arc pole is rotatable to the arc breach, the gag lever post was installed to arc pole upper end one side, and open arc breach one side has the spacing groove, and the gag lever post is portable to the spacing inslot.

Further, the pushing mechanism comprises a lifting sleeve positioned in the circular through hole, the lifting sleeve can move up and down in the circular through hole, a round platform-shaped pushing block is arranged at the lower end of the lifting sleeve, a concave groove is formed in one side of the upper end of the supporting leg, a pulley is arranged in the concave groove, a moving rod is arranged at one end of the pulley and extends to the outer side of the concave groove, a guide pipe is sleeved on the outer side of the moving rod, the upper end of the guide pipe is connected with the lower surface of the containing disc, a first universal ball is arranged at one end of the moving rod, one end of the first universal ball is in surface contact with one side of the round platform-shaped pushing block, a reset plate is arranged at the upper end of the moving rod, a fixed plate is arranged at one side of the reset plate, the upper end of the fixed plate is fixedly arranged on the lower surface of the containing disc, the reset plate is connected with the fixed plate through a reset spring, a lifting plate is arranged at the lower end of the lifting sleeve, the lifting plate is positioned below the containing disc, and is connected with the containing disc through a first spring thimble, the upper surface of the containing disc is provided with a plurality of containing grooves which are communicated with the circular through hole, second spring thimbles are installed in the containing grooves, and second universal balls are installed at the telescopic ends of the second spring thimbles.

Furthermore, supporting leg one side is equipped with the backup pad, backup pad fixed mounting is at holding the dish lower surface, and backup pad and supporting leg are through first expanding spring connection.

Further, stop gear is including being located a plurality of screw holes on the supporting leg, screw hole and square groove intercommunication, the screw hole has the connecting sleeve through threaded connection, every supporting leg one side is equipped with two connecting sleeves, a connecting sleeve is located the screw hole department of the top on the supporting leg, any department at remaining screw hole is installed according to staff's height to another connecting sleeve, be equipped with the telescopic shaft in the connecting sleeve, the connecting block is installed to telescopic shaft one end, the fixed block is installed to connecting sleeve one end, connecting block and fixed block pass through coupling spring and connect, the universal ball of third is installed to the telescopic shaft other end, open telescopic link one side has the guide way, open one side in the guide way has spacing recess, the telescopic link front side is the inclined plane.

Furthermore, a fifth rolling bearing is mounted on the upper surface of the metal plate, a rotating screw is mounted at the upper end of the fifth rolling bearing, a supporting block is mounted at the lower end of the telescopic rod, a threaded through hole is formed in the supporting block, and the upper surface of the metal plate is connected with the lower surface of the supporting block through a second telescopic spring.

Furthermore, the detector is an infrared distance meter, the infrared distance meter is fixedly installed on the second circular ring plate, and the detection end of the infrared distance meter points to the direction of the detection plate.

Furthermore, the detector is a pressure sensor, a support table is arranged below the pressure sensor, a third spring ejector pin is arranged on the upper surface of the support table, the pressure sensor is fixedly arranged at the telescopic end of the third spring ejector pin, and the detection end of the pressure sensor is tightly attached to the detection plate.

The invention has the beneficial effects that: compared with the prior art, the tripod adopts different structures to realize the function of synchronously and quickly opening the three supporting legs, and a round hole for the positioning laser of the total station to pass through is reserved on the tripod, so that the tripod is more convenient to use when in positioning, and the telescopic rod can be quickly positioned by forming a hole on the supporting leg and the limiting mechanism, so that the tripod can be suitable for different workers to use at different geographic positions, firstly, the second circular plate is arranged on the ground, the metal plate can be attracted by the electromagnet, the tripod can be quickly fixed, the position of the tripod can be detected by the detector, the tripod can give an alarm when the total station shakes due to wind or other reasons, the re-measurement can be carried out, and the measurement precision can be ensured,

the supporting legs are opened by the pushing mechanism which has two modes, the first pushing mechanism can drive the rotating shaft on the supporting legs to rotate through gear transmission, and the gear wheel drives the pinion to rotate, so that three supporting legs can be opened or closed simultaneously, the use is more labor-saving, the second pushing mechanism can push the moving rod to one side through the descending of the truncated cone-shaped pushing block, and the supporting legs can be pushed to the outer side through the moving rod, so that the moving rod can be opened, the mode is more direct and rapid to use, after the use is finished, the truncated cone-shaped pushing block is moved upwards, then the supporting legs can be quickly and automatically folded under the action of the spring, the use is more convenient,

the telescopic rod can be stretched in the square groove and limited by the telescopic shaft, the telescopic rod can be directly moved to the designated length according to the body shape of a user, the tripod can be quickly supported,

when weather is clear, the infrared distance measuring instrument is used as a detector, whether the measuring detection plate can be more accurately moved is judged, the weather is bad, the infrared distance measuring instrument easily measures errors, the pressure sensor is used for detecting, the used limiting condition is lower, and the application range is wider.

Drawings

Fig. 1 is a schematic structural view of a rapidly openable 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;

figure 4 is a schematic cross-sectional view in rotation of a rapidly openable total station support apparatus of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at C;

FIG. 6 is an enlarged view of a portion of FIG. 4 at D;

FIG. 7 is an enlarged view of a portion of FIG. 4 at E;

FIG. 8 is an enlarged view of a portion of FIG. 4 at F;

fig. 9 is a schematic cross-sectional view of a rapidly openable total station support apparatus of the present invention in a bottom view;

FIG. 10 is an enlarged view of a portion of FIG. 9 at G;

FIG. 11 is an enlarged view of a portion of FIG. 9 at H;

FIG. 12 is a schematic view showing the connection between the moving rack and the guide chute according to the present invention;

FIG. 13 is a schematic cross-sectional view of the pushing mechanism of the present invention;

FIG. 14 is a schematic view showing the connection between the support leg and the pulley according to the present invention;

FIG. 15 is a schematic view of the connection between the second annular plate and the pressure sensor according to the present invention;

in the figure, 1, a containing tray; 2. a circular through hole; 3. supporting legs; 4. a rotating shaft; 5. a first rolling bearing; 6. a first support bar; 7. a square groove; 8. a telescopic rod; 9. a first annular plate; 10. a second annular plate; 11. a connecting plate; 12. an electromagnet; 13. a metal plate; 14. detecting a plate; 15. a detector; 16. rotating the cylinder; 17. a second rolling bearing; 18. a first bevel gear; 19. a second bevel gear; 20. rotating the rod; 21. a third rolling bearing; 22. a second support bar; 23. a third bevel gear; 24. a fourth bevel gear; 25. a drive shaft; 26. a fourth rolling bearing; 27. a third support bar; 28. a first gear; 29. moving the rack; 30. a guide slide way; 31. a second gear; 32. a support pillar; 33. an arc-shaped notch; 34. fixing the rod; 35. a fixed shaft; 36. a hollow cylinder; 37. an arcuate bar; 38. a limiting rod; 39. a limiting groove; 40. a lifting sleeve; 41. a truncated cone shaped pushing block; 42. a concave-shaped groove; 43. a pulley; 44. a travel bar; 45. a guide tube; 46. a first universal ball; 47. a reset plate; 48. a fixing plate; 49. a return spring; 50. a lifting plate; 51. a first spring thimble; 52. a containing groove; 53. a second spring thimble; 54. a second ball gimbal; 55. a support plate; 56. a first extension spring; 57. a threaded hole; 58. a connecting sleeve; 59. a telescopic shaft; 60. connecting blocks; 61. a fixed block; 62. a connecting spring; 63. a third ball transfer unit; 64. a guide groove; 65. a limiting groove; 66. a fifth rolling bearing; 67. rotating the screw; 68. a support block; 69. a threaded through hole; 70. a second extension spring; 71. an infrared range finder; 72. a pressure sensor; 73. a support table; 74. and a third spring thimble.

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 being opened quickly as shown in figures 1-15, which comprises a containing disc 1, wherein a circular through hole 2 is formed on the containing disc 1, the upper end of the containing disc 1 is connected with a total station through a bolt, laser at the lower end of the total station can irradiate a reference point on the ground through the circular through hole 2, the lower end of the containing disc 1 is rotatably connected with three supporting legs 3, a quick unfolding mechanism is arranged on the containing disc 1, a height adjusting mechanism is arranged at the lower end of the supporting legs 3, a fixing mechanism is arranged below the containing disc 1, the quick unfolding mechanism comprises a rotating shaft 4 fixedly arranged at the upper end of the supporting legs 3, first rolling bearings 5 are arranged at two ends of the rotating shaft 4, the first rolling bearings 5 are arranged at the lower surface of the containing disc 1 through first supporting rods 6, a pushing mechanism capable of pushing the three supporting legs 3 outwards and also capable of being pulled back is arranged at the lower end of the containing disc 1, the height adjusting mechanism comprises a square groove 7 positioned at the lower end of a supporting leg 3, a telescopic rod 8 is arranged in the square groove 7, the telescopic rod 8 can move in the square groove 7, a limiting mechanism capable of fixing the telescopic rod 8 is installed on the supporting leg 3, the fixing mechanism comprises a first circular plate 9 positioned below a containing disc 1, the circle center position of the first circular plate 9 is coincided with a measured datum point, a second circular plate 10 is arranged on the outer side of the first circular plate 9, the first circular plate 9 and the second circular plate 10 are concentrically corresponding, the first circular plate 9 and the second circular plate 10 are connected through a plurality of connecting plates 11, the first circular plate 9 and the second circular plate 10 are fixedly installed on the ground in advance, three electromagnets 12 are installed at the upper end of the second circular plate 10, a metal plate 13 capable of being attracted by the magnetic force of the electromagnets 12 is arranged below the telescopic rod 8, and the metal plate 13 can be lifted and is connected with the lower end of the telescopic rod 8, a detection plate 14 is arranged on one side of the upper surface of the metal plate 13, a detector 15 capable of detecting whether the detection plate 14 shakes is arranged on one side of the electromagnet 12,

the supporting process of the total station by the device is as follows: firstly, setting a measuring reference point at a designated position on the ground, fixedly installing a first circular plate 9 and a second circular plate 10 on the ground, enabling the circle center position of the first circular plate 9 to coincide with the reference point, normally, enabling a rotating shaft 4 to be in a state vertical to a containing disc 1, retracting a telescopic rod 8 into a square groove 7, then taking the containing disc 1 onto the first circular plate 9 by a user, simultaneously pushing three supporting legs 3 outwards through a pushing mechanism, enabling the supporting legs 3 to rotate around the rotating shaft 4 to be opened, then pulling the telescopic rod 8 out of the square groove 7, after pulling out to a proper position, limiting the telescopic rod 8 through a limiting mechanism, then placing a metal plate 13 above an electromagnet 12 on the second circular plate 10, then electrifying the electromagnet 12, fixing the metal plate 13, and then fixedly connecting a total station on the containing disc 1 through bolts by the user, and the positioning laser at the lower end of the total station is approximately pointed to the datum point, a user observes the bubble on the total station, if the bubble is not located at the center, the total station is not in a horizontal state, and the bubble is located in which direction, the supporting leg 3 in which direction is higher is indicated, the containing disc 1 can be adjusted horizontally by adjusting the distance between the metal plate 13 and the telescopic rod 8, so that the bubble on the total station is in the center position, then the bubble in a vertical pipeline on the total station is checked, the total station is adjusted to be in the horizontal position through a fine adjustment device on the total station, and then measurement is carried out,

referring to the attached drawing 1, the attached drawing 4, the attached drawing 5, the attached drawing 9, the attached drawing 10 and the attached drawing 12, the pushing mechanism comprises a rotating cylinder 16 positioned below the containing disc 1, the rotating cylinder 16 concentrically corresponds to the circular through hole 2, a second rolling bearing 17 is arranged at the upper end of the rotating cylinder 16, the upper end of the second rolling bearing 17 is arranged at the lower surface of the containing disc 1, a first bevel gear 18 is arranged at the lower end of the rotating cylinder 16, the first bevel gear 18 is engaged with three second bevel gears 19, the three second bevel gears 19 are respectively positioned at one side of the three supporting legs 3, a rotating rod 20 is arranged at one side of the second bevel gear 19, a third rolling bearing 21 is arranged on the rotating rod 20, the third rolling bearing 21 is arranged at the lower surface of the containing disc 1 through a second supporting rod 22, a third bevel gear 23 is arranged at one end of the rotating rod 20, and a fourth bevel gear 24 is engaged with the third bevel gear 23, a transmission shaft 25 is arranged at one side of the fourth bevel gear 24, fourth rolling bearings 26 are arranged at two ends of the transmission shaft 25, the fourth rolling bearings 26 are arranged at the lower surface of the containing disc 1 through a third support rod 27, a first gear 28 is arranged on the transmission shaft 25, a moving rack 29 is meshed above the first gear 28, a guide slideway 30 is arranged above the moving rack 29, the guide slideway 30 is fixedly arranged at the lower surface of the containing disc 1, the upper end of the moving rack 29 extends into the guide slideway 30, a second gear 31 is arranged at one end of the rotating shaft 4, the second gear 31 is meshed with the moving rack 29,

the process that the pushing mechanism pushes the three supporting legs 3 is as follows: the first rotating cylinder 16 is rotated forwardly by a user, the rotating cylinder 16 can drive the first bevel gear 18 to rotate, the first bevel gear 18 is meshed with the three second bevel gears 19 and can drive the three second bevel gears 19 to rotate simultaneously, the second bevel gear 19 can drive the rotating rod 20 and the third bevel gear 23 to rotate, the third bevel gear 23 is meshed with the fourth bevel gear 24 and can drive the fourth bevel gear 24 to rotate, the fourth bevel gear 24 can drive the transmission shaft 25 and the first gear 28 to rotate, the first gear 28 is meshed with the moving rack 29 and can drive the moving rack 29 to move outwards, the moving rack 29 is meshed with the second gear 31 and can drive the second gear 31 to rotate, the second gear 31 can drive the rotating shaft 4 to rotate, and further the rotating shaft 4 can drive the supporting leg 3 to be opened, and then the rotating cylinder 16 is fixed by the user through a bolt, so that the supporting leg 3 can be fixed, thereby preventing the support legs 3 from rotating, and after the use, the user releases the fixation of the rotating cylinder 16, the rotating cylinder 16 is then reversed, the rotating cylinder 16 driving in rotation the first bevel gear 18, the first bevel gear 18 meshing with the three second bevel gears 19, can drive three second bevel gears 19 to rotate simultaneously, the second bevel gears 19 can drive a rotating rod 20 and a third bevel gear 23 to rotate, the third bevel gear 23 is meshed with a fourth bevel gear 24, fourth bevel gear 24 can be driven to rotate, fourth bevel gear 24 can drive transmission shaft 25 and first gear 28 to rotate, first gear 28 is meshed with moving rack 29, the movable rack 29 can be driven to move inwards, the movable rack 29 is meshed with the second gear 31, can drive the second gear 31 to rotate, the second gear 31 can drive the rotating shaft 4 to rotate, and further the rotating shaft 4 can drive the supporting leg 3 to retract,

referring to the attached

drawings

1, 3, 4 and 6 of the specification, a support pole 32 is installed on one side of the upper surface of a first bevel gear 18, an arc notch 33 is formed in the upper end of a containing disc 1, the upper end of the support pole 32 extends into the arc notch 33, a fixed pole 34 is installed at the upper end of the support pole 32, two sides of the lower end of the fixed pole 34 are connected with the upper surface of the support pole 32 through a fixed axle 35, a hollow cylinder 36 is sleeved outside the fixed pole 34, an arc pole 37 is installed at the upper end of the hollow cylinder 36, the arc pole 37 can rotate into the arc notch 33, a limit pole 38 is installed on one side of the upper end of the arc pole 37, a limit groove 39 is formed in one side of the arc notch 33, the limit pole 38 can move into the limit groove 39,

the first bevel gear 18 rotates as follows: the user grasps the arc-shaped rod 37, drives the arc-shaped rod 37, the limiting rod 38 and the hollow cylinder 36 to rotate outwards around the fixed rod 34, can take the arc-shaped rod 37 out of the arc-shaped notch 33, takes the limiting rod 38 out of the limiting groove 39, then the user can grasp the arc-shaped rod 37 to rotate in the arc-shaped notch 33, so that the arc-shaped rod 37 and the hollow sleeve 36 drive the fixed rod 34, the fixed shaft 35 and the supporting column 32 to rotate in the arc-shaped notch 33, and drive the first bevel gear 18 to rotate outside the rotating cylinder 16, and through gear connection, can push the supporting leg 3 outwards, after the supporting leg 3 is opened, presses the arc-shaped rod 37 into the arc-shaped notch 33, presses the limiting rod 38 into the limiting groove 39, can position the arc-shaped rod 37, prevents the arc-shaped rod 37 from moving, further can support the supporting leg 3, prevents the supporting leg 3 from shaking, and does not need to use bolt connection, the fixing is quicker, after the measurement is finished, the operation is repeated and the first bevel gear 18 is driven to rotate reversely, the supporting leg 3 can be retracted,

referring to the attached figures 13 and 14 in the specification, the pushing mechanism comprises a lifting sleeve 40 positioned in a circular through hole 2, the lifting sleeve 40 can move up and down in the circular through hole 2, a truncated cone-shaped pushing block 41 is arranged at the lower end of the lifting sleeve 40, a concave groove 42 is formed in one side of the upper end of the supporting leg 3, a pulley 43 is arranged in the concave groove 42, a moving rod 44 is arranged at one end of the pulley 43, the moving rod 44 extends to the outer side of the concave groove 42, a guide tube 45 is sleeved outside the moving rod 44, the upper end of the guide tube 45 is connected with the lower surface of the containing disc 1, a first universal ball 46 is arranged at one end of the moving rod 44, one end of the first universal ball 46 is in surface contact with one side of the truncated cone-shaped pushing block 41, a reset plate 47 is arranged at the upper end of the moving rod 44, a fixing plate 48 is arranged at one side of the reset plate 47, the upper end of the fixing plate 48 is fixedly arranged on the lower surface of the containing disc 1, the reset plate 47 is connected with the fixing plate 48 through a reset spring 49, the lower end of the lifting sleeve 40 is provided with a lifting plate 50, the lifting plate 50 is positioned below the containing disc 1, the lifting plate 50 is connected with the containing disc 1 through a first spring thimble 51, the upper surface of the containing disc 1 is provided with a plurality of containing grooves 52, the containing grooves 52 are communicated with the circular through hole 2, the containing grooves 52 are internally provided with second spring thimbles 53, the telescopic ends of the second spring thimbles 53 are provided with second universal balls 54,

the process that the pushing mechanism pushes the three supporting legs 3 is as follows: under normal state, the upper end of the lifting sleeve 40 is positioned above the containing disc 1, the second spring thimble 53 is in a compressed state, when in use, the lifting sleeve 40 is pushed downwards, the lifting sleeve 40 can push the truncated cone-shaped pushing block 41 downwards, the inclined plane of the truncated cone-shaped pushing block 41 can push the moving rod 44 at one side of three supporting legs 3 towards the direction close to the supporting legs 3, the first universal ball 46 can reduce the friction force between the moving rod 44 and the truncated cone-shaped pushing block 41, when the pushing rod 44 moves, the moving rod 44 can push the pulley 43 towards the direction close to the supporting legs 3 and can make the pulley 43 push the supporting legs 3 outwards, the pulley 43 can rotate, the friction force between the pulley 43 and the supporting legs 3 can be small, the supporting legs 3 can conveniently move outwards, when the supporting legs 3 move outwards, the supporting legs 3 can rotate around the rotating shaft 4, and then the supporting legs 3 can be opened, when the lifting sleeve 40 moves downwards, the lifting plate 50 can be pushed downwards, the lifting plate 50 can stretch the first spring thimble 51, when the moving rod 44 moves towards the direction close to the supporting leg 3, the reset plate 47 can be driven to move, the reset spring 49 is compressed, the upper end of the lifting sleeve 40 is completely pushed into the circular through hole 2, the upper end of the lifting sleeve 40 is positioned at one side of the containing groove 52, the second spring thimble 53 can push the second universal ball 54 above the lifting sleeve 40 and intercept the lifting sleeve 40 to prevent the supporting leg 3 from returning to the original position under the action of gravity, the second universal ball 54 can reduce the friction force between the lifting sleeve 40 and the second spring thimble 53 when the lifting sleeve 40 moves downwards, after the use, a user pushes the second spring thimble 53 back to the original position, under the pulling force of the first spring thimble 51, the lifting plate 50, the second spring thimble 53 can be pushed back to the original position, The lifting sleeve 40 and the truncated cone-shaped pushing block 41 push upwards, after the truncated cone-shaped pushing block 41 moves upwards, no supporting force is applied to the movable rod 44, the movable rod 44 can be pushed back to the original position under the action of the elastic force of the return spring 49, and the supporting leg 3 returns to the original position under the action of the pulling force and the gravity of the movable rod 44 and the pulley 43,

referring to the accompanying

drawings

4, 5 and 13 of the specification, a supporting plate 55 is arranged on one side of the supporting leg 3, the supporting plate 55 is fixedly arranged on the lower surface of the containing tray 1, the supporting plate 55 and the supporting leg 3 are connected through a first telescopic spring 56,

the supporting function of the supporting plate 55 on the supporting leg 3 is as follows: when the supporting leg 3 rotates around the rotating shaft 4, the upper end of the supporting leg 3 is far away from the supporting plate 55, the first expansion spring 56 is stretched, the tension of the first expansion spring 56 can be balanced with other forces on the supporting leg 3, the supporting leg 3 can be prevented from shaking, the stability of the total station can be ensured,

referring to the attached drawing 1, the attached drawing 2, the attached drawing 4 and the attached drawing 7 of the specification, the limiting mechanism comprises a plurality of threaded holes 57 positioned on the supporting legs 3, the threaded holes 57 are communicated with the square grooves 7, the threaded holes 57 are connected with connecting sleeves 58 through threads, one side of each supporting leg 3 is provided with two connecting sleeves 58, one connecting sleeve 58 is positioned at the uppermost threaded hole 57 on the supporting leg 3, the other connecting sleeve 58 is arranged at any position of the rest threaded holes 57 according to the height of a worker, a telescopic shaft 59 is arranged in the connecting sleeve 58, one end of the telescopic shaft 59 is provided with a connecting block 60, one end of the connecting sleeve 58 is provided with a fixed block 61, the connecting block 60 is connected with the fixed block 61 through a connecting spring 62, the other end of the telescopic shaft 59 is provided with a third universal ball 63, one side of the telescopic shaft 8 is provided with a guide groove 64, one side in the guide groove 64 is provided with a limiting groove 65, the front side of the telescopic rod 8 is an inclined plane,

the limiting mechanism has the following limiting effect on the telescopic rod 8: under normal conditions, the limit groove 65 on the telescopic rod 8 is positioned at one side of the uppermost threaded hole 57, one end of the telescopic shaft 59 is positioned in the limit groove 65 to limit the telescopic rod 8, the other connecting sleeve 58 is connected at the corresponding threaded hole 57 through threads according to the height of a user, one end of the telescopic shaft 59 points to the guide groove 64, the user stretches the telescopic shaft 59 at one side of the uppermost threaded hole 57 outwards and stretches the connecting spring 62, at the moment, the telescopic shaft 59 and the third universal ball 63 can be pulled out of the limit groove 65, then the telescopic rod 8 can be pulled downwards under the action of gravity and the pulling force of the user, when the telescopic rod 8 moves, the third universal ball 63 can reduce the friction force between the telescopic rod 8 and the telescopic shaft 59 when the telescopic rod 8 moves, when the limit groove 65 moves to the telescopic shaft 59 below, under the pulling force of the connecting spring 62, the telescopic shaft 59 can be pushed into the limiting groove 65, the telescopic rod 8 can be limited, after the telescopic rod is used, a user pulls the connecting block 60 below the connecting block 60, the connecting block 60 can pull the telescopic shaft 59 out of the limiting groove 65, then the user pushes the telescopic rod 8 into the square groove 7, the inclined surface at the front end of the telescopic rod 8 is firstly contacted with the third universal ball 63 on the telescopic shaft 59 above the inclined surface, the telescopic shaft 59 is pushed outwards under the action of the inclined surface, the connecting spring 63 is stretched, when the limiting groove 65 moves to one side of the telescopic shaft 59, the telescopic shaft 59 can be pushed into the limiting groove 65 under the action of the tensile force of the connecting spring 63, the telescopic rod 8 can be limited, and the telescopic rod 8 can be prevented from falling,

referring to the attached figure 1 of the specification, the attached figure 2 of the specification, the attached figure 4 of the specification, the attached figure 8 of the specification and the attached figure 15 of the specification, a fifth rolling bearing 66 is installed on the upper surface of a metal plate 13, a rotating screw 67 is installed at the upper end of the fifth rolling bearing 66, a supporting block 68 is installed at the lower end of an expansion link 8, a threaded through hole 69 is formed in the supporting block 68, the upper surface of the metal plate 13 is connected with the lower surface of the supporting block 68 through a second expansion spring 70,

the process of height adjustment of the metal plate 13 is as follows: the metal plate 13 is attracted and fixed by the electromagnet 12, when the height is adjusted, the distance between the supporting block 68 and the metal plate 13 can be adjusted by rotating the rotating screw 67 and by the threaded connection between the rotating screw 67 and the threaded through hole 69, so that the height of the containing disc 1 can be adjusted, the second expansion spring 70 is in a stretching state, the distance between the rotating screw 67 and the threaded through hole 69 can be tensioned, the shaking is prevented,

referring to fig. 8 of the specification, the detector 15 is an infrared distance meter 71, the infrared distance meter 71 is fixedly installed on the second circular ring plate 10, the detecting end of the infrared distance meter 71 points to the direction of the detecting plate 14,

the distance between the detection boards 14 can be detected by the infrared distance measuring instrument 71, the detection precision is higher, when the distance changes, an alarm device externally connected with the infrared distance measuring instrument 71 alarms to remind a user,

referring to fig. 15 of the specification, the detector 15 is a pressure sensor 72, a support base 73 is arranged below the pressure sensor 72, a third pogo pin 74 is mounted on the upper surface of the support base 73, the pressure sensor 72 is fixedly mounted on the telescopic end of the third pogo pin 74, the detection end of the pressure sensor 72 is closely attached to the detection plate 14,

after the metal plate 13 is installed on the electromagnet 12, the third spring thimble 74 is compressed, then the third spring thimble 74 is loosened, the third spring thimble 74 can push the pressure sensor 72 to the detection plate 14, and the pressure sensor 72 can detect the pressure intensity, so that the application range is wider, and when the pressure intensity changes, an alarm device externally connected with the pressure sensor 72 gives an alarm to remind a user.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should 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

1. A total station supporting device capable of being opened quickly comprises a containing disc (1), wherein a circular through hole (2) is formed in the containing disc (1), the upper end of the containing disc (1) is connected with a total station through a bolt, laser at the lower end of the total station can irradiate a datum point on the ground through the circular through hole (2), the lower end of the containing disc (1) is rotatably connected with three supporting legs (3), the total station supporting device is characterized in that a quick unfolding mechanism is installed on the containing disc (1), a height adjusting mechanism is installed at the lower end of each supporting leg (3), and a fixing mechanism is arranged below the containing disc (1),

the quick unfolding mechanism comprises a rotating shaft (4) fixedly arranged at the upper ends of the supporting legs (3), first rolling bearings (5) are arranged at two ends of the rotating shaft (4), the first rolling bearings (5) are arranged on the lower surface of the containing disc (1) through first supporting rods (6), a pushing mechanism capable of pushing and pulling back the three supporting legs (3) outwards simultaneously is arranged at the lower end of the containing disc (1),

the height adjusting mechanism comprises a square groove (7) positioned at the lower end of the supporting leg (3), a telescopic rod (8) is arranged in the square groove (7), the telescopic rod (8) can move in the square groove (7), a limiting mechanism capable of fixing the telescopic rod (8) is arranged on the supporting leg (3),

the fixing mechanism comprises a first circular ring plate (9) located below the containing disc (1), the circle center position of the first circular ring plate (9) coincides with a measured datum point, a second circular ring plate (10) is arranged on the outer side of the first circular ring plate (9), the first circular ring plate (9) and the second circular ring plate (10) correspond concentrically, the first circular ring plate (9) and the second circular ring plate (10) are connected through a plurality of connecting plates (11), the first circular ring plate (9) and the second circular ring plate (10) are fixedly installed on the ground in advance, three electromagnet detecting plates (12) are installed at the upper end of the second circular ring plate (10), a metal plate (13) capable of being attracted by the magnetic force of the electromagnet (12) is arranged below the telescopic rod (8), the metal plate (13) can ascend and descend and are connected with the telescopic rod (8), a detecting plate (14) is installed on one side of the upper surface of the metal plate (13), and a detector (15) capable of detecting whether the electromagnet (14) shakes is installed on one side of the electromagnet (12).

2. The fast-openable total station support device according to claim 1, wherein the pushing mechanism comprises a rotating cylinder (16) located below the containing plate (1), the rotating cylinder (16) concentrically corresponds to the circular through hole (2), a second rolling bearing (17) is installed at the upper end of the rotating cylinder (16), the upper end of the second rolling bearing (17) is installed on the lower surface of the containing plate (1), a first bevel gear (18) is installed at the lower end of the rotating cylinder (16), the first bevel gear (18) is engaged with three second bevel gears (19), the three second bevel gears (19) are respectively located on one side of the three support legs (3), a rotating rod (20) is installed on one side of the second bevel gear (19), a third rolling bearing (21) is installed on the rotating rod (20), and the third rolling bearing (21) is installed on the lower surface of the containing plate (1) through a second support rod (22), third bevel gear (23) is installed to dwang (20) one end, third bevel gear (23) meshing has fourth bevel gear (24), transmission shaft (25) are installed to fourth bevel gear (24) one side, fourth antifriction bearing (26) are installed at transmission shaft (25) both ends, fourth antifriction bearing (26) are installed at holding dish (1) lower surface through third bracing piece (27), install first gear (28) on transmission shaft (25), meshing has removal rack (29) above first gear (28), removal rack (29) top is equipped with guide slide (30), guide slide (30) fixed mounting is at holding dish (1) lower surface, removal rack (29) upper end is stretched to in guide slide (30), second gear (31) are installed to axis of rotation (4) one end, second gear (31) and removal rack (29) meshing.

3. A rapidly openable total station support apparatus according to claim 2, support column (32) are installed to first bevel gear (18) upper surface one side, it has arc breach (33) to hold to open on dish (1), support column (32) upper end is stretched to in arc breach (33), dead lever (34) are installed to support column (32) upper end, dead lever (34) lower extreme both sides are through fixed axle (35) and support column (32) upper surface connection, dead lever (34) outside cover is equipped with hollow cylinder (36), arc pole (37) are installed to hollow cylinder (36) upper end, arc pole (37) can rotate to in arc breach (33), gag lever post (38) are installed to arc pole (37) upper end one side, open on one side of arc breach (33) spacing groove (39), gag lever post (38) can move to in spacing groove (39).

4. The total station supporting device capable of being opened rapidly according to claim 1, wherein the pushing mechanism comprises a lifting sleeve (40) located in the circular through hole (2), the lifting sleeve (40) can move up and down in the circular through hole (2), a truncated cone-shaped pushing block (41) is installed at the lower end of the lifting sleeve (40), a concave groove (42) is formed in one side of the upper end of the supporting leg (3), a pulley (43) is arranged in the concave groove (42), a moving rod (44) is installed at one end of the pulley (43), the moving rod (44) extends to the outer side of the concave groove (42), a guide pipe (45) is sleeved on the outer side of the moving rod (44), the upper end of the guide pipe (45) is connected with the lower surface of the containing plate (1), a first universal ball (46) is installed at one end of the moving rod (44), one end of the first universal ball (46) is in surface contact with one side of the truncated cone-shaped pushing block (41), reset plate (47) is installed to carriage release lever (44) upper end, reset plate (47) one side is equipped with fixed plate (48), fixed plate (48) upper end fixed mounting is in holding dish (1) lower surface, reset plate (47) and fixed plate (48) are connected through reset spring (49), lifter plate (50) are installed to lift sleeve (40) lower extreme, lifter plate (50) are located and hold dish (1) below, lifter plate (50) with hold dish (1) and connect through first spring thimble (51), it has a plurality of recesses (52) to hold to open on dish (1), hold recess (52) and circular through-hole (2) intercommunication, hold and install second spring thimble (53) in recess (52), second universal ball (54) are installed to second spring thimble (53) flexible end.

5. A rapidly openable total station support device according to any one of claims 1 to 4, wherein the support legs (3) are provided at one side with a support plate (55), the support plate (55) is fixedly mounted on the lower surface of the plate (1), and the support plate (55) and the support legs (3) are connected by means of first telescopic springs (56).

6. The quick-opening total station support device according to claim 1, wherein the limiting mechanism comprises a plurality of threaded holes (57) on the support legs (3), the threaded holes (57) are communicated with the square grooves (7), the threaded holes (57) are connected with connecting sleeves (58) through threads, one side of each support leg (3) is provided with two connecting sleeves (58), one connecting sleeve (58) is positioned at the uppermost threaded hole (57) on the support leg (3), the other connecting sleeve (58) is installed at any one of the rest threaded holes (57) according to the height of a worker, a telescopic shaft (59) is arranged in each connecting sleeve (58), one end of each telescopic shaft (59) is provided with a connecting block (60), one end of each connecting sleeve (58) is provided with a fixed block (61), and the connecting blocks (60) and the fixed blocks (61) are connected through connecting springs (62), the other end of the telescopic shaft (59) is provided with a third universal ball (63), one side of the telescopic rod (8) is provided with a guide groove (64), one side in the guide groove (64) is provided with a limiting groove (65), and the front side of the telescopic rod (8) is an inclined plane.

7. The quick-opening total station supporting device according to claim 1, wherein a fifth rolling bearing (66) is mounted on the upper surface of the metal plate (13), a rotating screw (67) is mounted at the upper end of the fifth rolling bearing (66), a supporting block (68) is mounted at the lower end of the telescopic rod (8), a threaded through hole (69) is formed in the supporting block (68), and the upper surface of the metal plate (13) is connected with the lower surface of the supporting block (68) through a second telescopic spring (70).

8. A rapidly openable total station support apparatus according to claim 1, wherein said detector (15) is an infrared distance meter (71), said infrared distance meter (71) being fixedly mounted on the second annular plate (10), the detecting end of said infrared distance meter (71) pointing in the direction of the detecting plate (14).

9. The quick-opening total station supporting device according to claim 1, wherein said detector (15) is a pressure sensor (72), a supporting base (73) is arranged below said pressure sensor (72), a third pogo pin (74) is mounted on the upper surface of said supporting base (73), said pressure sensor (72) is fixedly mounted on the telescopic end of said third pogo pin (74), and the detecting end of said pressure sensor (72) is tightly attached to said detecting plate (14).