CN113375639A

CN113375639A - Horizontal measuring device for bridge construction

Info

Publication number: CN113375639A
Application number: CN202110635846.2A
Authority: CN
Inventors: 温长国
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-09-10

Abstract

The invention discloses a horizontal measuring device for bridge construction, which comprises a box body, wherein the bottom of an inner cavity of the box body is provided with a first round opening, a first threaded rod penetrates through the inner cavity of the first circular opening, a supporting mechanism is arranged on the outer edge of the first threaded rod close to the top end, a vertical rod is arranged in the inner cavity of the first threaded rod in a penetrating way, a first box body is arranged at the bottom end of the first threaded rod, under the action of the supporting mechanism, the triangular bracket is opened downwards while the level body rises, and the process is carried out simultaneously, when not in use, the water level can be closed at the same time, the water level is more convenient to carry while saving time, the height and the angle of the water level body can be conveniently adjusted under the combined action of the adjusting mechanism and the movable mechanism, meanwhile, the size of the visual ring of the eyepiece can be adjusted, and the dust cover can be automatically opened while the adjustment is carried out.

Description

Horizontal measuring device for bridge construction

Technical Field

The invention relates to the technical field of measuring devices, in particular to a horizontal measuring device for bridge construction.

Background

The leveling instrument (English: level) is an instrument for establishing a horizontal sight line to measure the height difference between two ground points, and the principle is to measure the height difference between the ground points according to the leveling principle. The main components are hopeful to be a telescope, a tube level gauge (or compensator), a vertical shaft, a base and a foot screw. Divide into the level that declines according to the structure, automatic ann's level, laser level and digital level (also known as electronic level), divide into precision level and ordinary level according to the precision, the use of level includes: the method comprises the steps of placing the leveling instrument, roughly leveling, aiming, finely leveling and reading, wherein the placing step is to install the instrument on a telescopic tripod and place the instrument between two observation points, firstly, the tripod is opened and the height is moderate, the head of the tripod is roughly leveled by a visual estimation method, whether the tripod is firm is checked, then, an instrument box is opened, and the leveling instrument is connected to the tripod by a connecting screw.

Disclosure of Invention

The invention aims to overcome the defects of single function, inconvenience in use, single applicable environment and the like in the prior art, and provides a horizontal measuring device for bridge construction. The horizontal measuring device for bridge construction has the characteristics of multiple functions, convenience and quickness in use, wide applicable environment and the like.

In order to achieve the purpose, the invention provides the following technical scheme: a horizontal measuring device for bridge construction comprises a box body, wherein a first circular opening is formed in the bottom of an inner cavity of the box body, a first threaded rod penetrates through the inner cavity of the first circular opening, a supporting mechanism is arranged at the position, close to the top end, of the outer edge of the first threaded rod, a vertical rod penetrates through the inner cavity of the first threaded rod, a first box body is arranged at the bottom end of the first threaded rod, the bottom end of the first threaded rod is inserted into the center of the top of the first box body, the bottom end of the vertical rod penetrates through the top of the first box body and is fixedly connected with a first transverse plate, a first rectangular opening is formed in the bottom of the first box body, two universal wheels are arranged in a penetrating mode in the inner cavity of the first rectangular opening, the two universal wheels are arranged in a bilateral symmetry mode, the tops of the two universal wheels are fixedly connected with the bottom of the first transverse plate, and a second box body is arranged at the position, close to the top, in the inner cavity of the box body, the top ends of the first threaded rod and the vertical rod penetrate through the center of the bottom of the second box body and extend to the inner cavity of the second box body, a telescopic mechanism is arranged in the inner cavity of the second box body, a first worm wheel is sleeved on the position, close to the top end, of the outer edge of the first threaded rod, a worm is meshed with the front side of the first worm wheel, the right end of the worm penetrates through the position, close to the center, of the right side of the inner cavity of the box body, and is fixedly connected with a rocker, a second worm wheel is meshed with the front side of the worm, a first rotating rod is fixedly connected with the center of the top of the second worm wheel, the top end of the first rotating rod penetrates through the top of the inner cavity of the box body, is close to the left side of the inner cavity of the box body, and is fixedly connected with a first gear, a second gear is meshed with the right side of the first gear, a second threaded rod penetrates through the center of the second gear, and the bottom end of the second threaded rod is close to the center of the top of the inserting box body, the outer edge of the second threaded rod, close to the top end, is sleeved with a first threaded sleeve, the top end of the first threaded sleeve is provided with a third box body, the top end of the first threaded sleeve is inserted in the center of the bottom of the third box body, and an adjusting mechanism is arranged in the inner cavity of the third box body.

Preferably, the supporting mechanism includes that the cover establishes the first nut that is close to top department at the outside edge of first threaded rod, the bottom of first nut is close to the first fixed block of the equal fixedly connected with in left and right sides department, two the front side of first fixed block all articulates there is the bracing piece, the outside edge cover of first threaded rod is equipped with the bearing, the first spring of the equal fixedly connected with in left and right sides of bearing, two the one end that the bearing was kept away from to first spring all is close to top department fixed connection with adjacent bracing piece, the equal fixedly connected with limiting plate in left and right sides of first nut, a plurality of foam-rubber cushions of the equal fixedly connected with in one side that the limiting plate is close to the bracing piece.

Preferably, the telescopic mechanism comprises a second transverse plate fixedly connected to the top end of the vertical rod, the bottom of the second transverse plate is fixedly connected with second springs at positions close to the left and right sides, the bottom ends of the two second springs are fixedly connected with the bottom of the inner cavity of the second box body, a movable plate is sleeved at the position, close to the top end, of the outer edge of the vertical rod, a conical plate is sleeved at the position, close to the top end, of the outer edge of the vertical rod, a third spring is sleeved at the position, close to the top end, of the outer edge of the vertical rod, the top end of the third spring is fixedly connected with the bottom of the conical plate, the bottom end of the third spring is fixedly connected with the center of the top of the second transverse plate, a movable block penetrates through the position, close to the center, of the left side of the movable block is arranged on an inclined plane at a position close to the top, and the left side of the movable block is arranged on a groove at a position close to the bottom, the top of the inner cavity of the groove and the top of the movable plate close to the right side are mutually attached, the inner cavity of the movable block is provided with a rectangular groove, the inner cavity of the rectangular groove is provided with a triangular plate, the right side of the second transverse plate is fixedly connected with a transverse rod, the right end of the transverse rod penetrates through the right side of the inner cavity of the second box body, the top of the transverse rod is fixedly connected with a movable rod close to the right end, the top end of the movable rod penetrates through the inner cavity of the rectangular groove and is mutually attached with the bottom of the triangular plate, the right side of the inner cavity of the box body close to the top is fixedly connected with a first limiting sleeve, the right side of the inner cavity of the first limiting sleeve is fixedly connected with a fourth spring, the left end of the fourth spring is fixedly connected with the right side of the movable block, the top of the movable block is fixedly connected with an L-shaped rod, the right end of the L-shaped rod penetrates through the right side of the inner cavity of the box body close to the top and is fixedly connected with a first pull handle, the utility model discloses a storage box, including box, top, first rectangle opening, first connecting rod, fixedly connected with second handle, the front side of montant is close to that top department articulates there is first connecting rod, the left side of box is close to top department and has seted up first rectangle opening, the left end of first connecting rod runs through first rectangle opening inner chamber to fixedly connected with second handle, the left side of box is equipped with receiving mechanism.

Preferably, the containing mechanism comprises a vertical plate fixedly connected to the left side of the box body, sliding grooves are formed in the front side and the rear side of the vertical rod, sliding rods are fixedly connected to the tops of inner cavities of the two sliding grooves, sliding blocks are sleeved on the positions, close to the center, of the outer edges of the two sliding rods, third connecting rods are hinged to the front sides of the two sliding blocks, a bearing plate is fixedly connected between the two third connecting rods, a third transverse plate is fixedly connected to the position, close to the bottom, of the left side of the box body, second fixing blocks are fixedly connected to the positions, close to the front side and the rear side, of the top of the third transverse plate, a fourth connecting rod is hinged to the position, close to the top end, of each second fixing block, close to the side, far away from the bearing plate, of each fourth connecting rod is hinged to the middle of the adjacent third connecting rod, a first rotating shaft is fixedly connected to the positions, far away from the bearing plate, of the two sliding blocks, and second connecting rods are arranged on the front side and the rear side of the vertical plate, two one end that the loading board was kept away from to first pivot all runs through one side of riser and adjacent second connecting rod, two the top of second connecting rod all articulates in the adjacent one side of second handle.

Preferably, the adjusting mechanism comprises a second rotating rod penetrating through the center of the top of the third box body, a first disc is fixedly connected to the top end of the second rotating rod, a first bevel gear is sleeved at the position, close to the bottom, of the outer side edge of the second rotating rod, a second bevel gear is meshed with the right side of the first bevel gear, a third rotating rod is fixedly connected to the center of the right circle of the second bevel gear, the right end of the third rotating rod penetrates through the center of the right side of the inner cavity of the third box body and is fixedly connected with a first rotary disc, a third threaded rod is penetrated through the inner cavity of the second rotating rod, a third bevel gear is sleeved at the position, close to the bottom, of the outer side edge of the third threaded rod, a fourth bevel gear is meshed with the left side of the third bevel gear, a fourth rotating rod is fixedly connected to the center of the left side of the inner cavity of the fourth rotating rod, and is close to the center, and fixedly connected with second carousel, the bottom center department of first disc is run through on the top of third threaded rod, the outside edge of third threaded rod is close to top department cover and is equipped with the second thread bush, the top of first disc is close to the equal fixedly connected with telescopic link of left and right sides department, two the common fixedly connected with second disc in top of telescopic link and second thread bush, the top fixedly connected with spirit level body of second disc, the right side of spirit level body is equipped with the moving mechanism.

Preferably, the movable mechanism comprises an ocular fixedly connected to the right side of the level body, the right side of the ocular is fixedly connected with a third disc, the right side of the third disc is provided with a plurality of rhombic plates which are arranged in an arc array by taking the third disc as the center of a circle, the centers of the rhombic plates are provided with second rectangular openings, the inner cavities of the second rectangular openings are provided with third rotating shafts in a penetrating way, the left ends of the third rotating shafts are fixedly connected with the right side of the third disc, the right ends of the third rotating shafts are fixedly connected with a fourth disc, the second circular opening has been seted up to fourth disc centre of a circle department, a plurality of third rectangle openings have been seted up on the fourth disc, and is a plurality of third rectangle opening inner chamber all runs through and is equipped with the second pivot, and is a plurality of the left end of second pivot all with the right side fixed connection of adjacent diamond plate.

Preferably, the outer edge of the eyepiece is provided with a third gear in a position close to the left side, the left side of the third disc is fixedly connected with two transmission rods, the two transmission rods are arranged in an up-and-down symmetrical manner, the left ends of the two transmission rods are fixedly connected with the right side of the third gear, the top of the third gear is meshed with a fourth gear, the left side circle center of the fourth gear is fixedly connected with a fourth threaded rod, the outer edge of the fourth threaded rod is provided with a second limiting sleeve in a position close to the center, the bottom of the second limiting sleeve is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly connected with the top of the level body, the outer edge of the fourth threaded rod is provided with a second nut in a position close to the left end, the left end of the level body is provided with an objective lens, the left side of the objective lens is provided with a dust cap, and a hinge is arranged between the dust cap and the objective lens, the utility model discloses a nut, including the shield, the left side of shield is connected with the first connecting rod, the left end department that is close to of first connecting rod is articulated to the left side, the left side of first connecting rod is articulated to be connected with the second nut, the third connecting rod rear side is close to top department and is articulated with the second nut.

A using method of a horizontal measuring device for bridge construction comprises the following steps:

s1: firstly, a rocker is shaken, the rocker drives a first worm wheel to rotate through a worm, the first worm wheel drives a first nut to move downwards through a first threaded rod, and when the first nut moves to the outer side of a box body, a support rod is unfolded outwards under the action of a first spring and a limiting plate;

s2: when the worm rotates, the first rotating rod is driven to rotate through the second worm wheel, the first rotating rod drives the second threaded rod to rotate under the meshing action of the first gear and the second gear, and the second threaded rod drives the level to ascend under the action of the first threaded sleeve;

s3: then the first handle is pulled outwards, the first handle drives the movable block to compress the fourth spring to move leftwards through the L-shaped rod, the movable block moves leftwards to enable the third spring and the conical plate to drive the vertical rod to move upwards, the vertical rod moves upwards to drive the universal wheel to move upwards through the first transverse plate, the universal wheel is completely retracted into the first box body, and the phenomenon of slipping during working is prevented;

s4: when the vertical rod rises, the second connecting rod pushes the sliding block to move downwards under the action of the first connecting rod and the second handle, and the bearing plate is in an unfolded state under the action of the third connecting rod and the fourth connecting rod when the vertical rod moves downwards movably, so that a worker can conveniently record the measurement;

s5: then, the first rotating disc is rotated, the first rotating disc drives the second bevel gear to rotate through the third rotating rod, the second bevel gear drives the first disc to rotate through the first bevel gear and the second rotating rod, and the first disc drives the level body to rotate through the telescopic rod and the second disc so as to adjust the angle of the level body;

s6: meanwhile, the second turntable can drive a fourth bevel gear to rotate through a fourth rotating rod, the fourth bevel gear drives a second threaded sleeve to move upwards through a third bevel gear and a third threaded rod, and the second threaded sleeve drives the level body to adjust up and down through a second disc;

s7: then, the size of a second circular opening of the fourth disc can be adjusted by rotating the third disc under the action of the diamond plates, the second rotating shaft and the third rotating shaft, so that the size of a viewing coil of the eyepiece is adjusted;

s8: the third disc is rotated while the third gear is driven to rotate through the transmission rod, the third gear drives the fourth threaded rod to rotate through the fourth gear, the fourth threaded rod drives the sixth connecting rod to move leftwards through the second nut, and the sixth connecting rod drives the dust cover to be opened upwards through the fifth connecting rod.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, under the action of the supporting mechanism, the triangular support is opened downwards while the level body rises, and the triangular support is opened simultaneously, so that the level can be closed simultaneously when not used, the time is saved, and the level is more convenient to carry;

under the action of the telescopic mechanism, the device can automatically extend out of the universal wheels when not in use, so that the device is convenient to carry and move, and the universal wheels can be automatically retracted when in use, so that measurement errors caused by sliding are prevented;

according to the invention, under the action of the containing mechanism, the bearing plate is automatically opened when a user uses the device, so that the user can conveniently record data during measurement, and when the device is not used, the device is automatically closed through the cooperation of the telescopic mechanism, so that the device is convenient to carry;

the invention can conveniently adjust the height and the angle of the level body under the combined action of the adjusting mechanism and the movable mechanism, can adjust the size of the visual ring of the eyepiece and automatically open the dust cover during adjustment.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

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

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

FIG. 5 is a partial expanded view of the present invention;

FIG. 6 is a partially exploded top plan view of the present invention;

FIG. 7 is an enlarged view taken at D in FIG. 1;

FIG. 8 is an enlarged view at E in FIG. 1;

fig. 9 is a partial right side view of the invention.

Reference numbers in the figures: 1. a box body; 2. a first threaded rod; 3. a first nut; 4. a first fixed block; 5. a support bar; 6. a first spring; 7. a limiting plate; 8. a sponge cushion; 9. a vertical rod; 10. a first case; 11. a first transverse plate; 12. a universal wheel; 13. a second box body; 14. a second transverse plate; 15. a second spring; 16. a movable plate; 17. a tapered plate; 18. a third spring; 19. a cross bar; 20. a movable block; 21. a set square; 22. a movable rod; 23. a first stop collar; 24. a fourth spring; 25. an L-shaped rod; 26. a first handle; 27. a first link; 28. a second handle; 29. a vertical plate; 30. a slide bar; 31. a slider; 32. a second link; 33. a first rotating shaft; 34. a third link; 35. a carrier plate; 36. a third horizontal plate; 37. a second fixed block; 38. a fourth link; 39. a first worm gear; 40. a worm; 41. a rocker; 42. a second worm gear; 43. a first rotating lever; 44. a first gear; 45. a second gear; 46. a second threaded rod; 47. a first threaded sleeve; 48. a third box body; 49. a second rotating rod; 50. a first disc; 51. a first bevel gear; 52. a second bevel gear; 53. a third rotating rod; 54. a first turntable; 55. a third threaded rod; 56. a third bevel gear; 57. a fourth bevel gear; 58. a fourth rotating rod; 59. a second turntable; 60. a telescopic rod; 61. a second threaded sleeve; 62. a second disc; 63. a level body; 64. a third disc; 65. a diamond plate; 66. a fourth disc; 67. a second rotating shaft; 68. a third rotating shaft; 69. a transmission rod; 70. a third gear; 71. a fourth gear; 72. a fourth threaded rod; 73. a second stop collar; 74. a connecting rod; 75. a second nut; 76. an objective lens; 77. an eyepiece; 78. a hinge; 79. a dust cover; 80. a fifth link; 81. a sixth link; 82. a support mechanism; 83. a telescoping mechanism; 84. a storage mechanism; 85. an adjustment mechanism; 86. a movable mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a horizontal measuring device for bridge construction comprises a box body 1, a first circular opening is arranged at the bottom of an inner cavity of the box body 1, a first threaded rod 2 penetrates through the inner cavity of the first circular opening, a supporting mechanism 82 is arranged at the position, close to the top end, of the outer edge of the first threaded rod 2, a vertical rod 9 penetrates through the inner cavity of the first threaded rod 2, a first box body 10 is arranged at the bottom end of the first threaded rod 2, the bottom end of the first threaded rod 2 is inserted into the center of the top of the first box body 10, the bottom end of the vertical rod 9 penetrates through the top of the first box body 10 and is fixedly connected with a first transverse plate 11, a first rectangular opening is arranged at the bottom of the first box body 10, two universal wheels 12 penetrate through the inner cavity of the first rectangular opening, the two universal wheels 12 are arranged in a bilateral symmetry manner, the tops of the two universal wheels 12 are fixedly connected with the bottom of the first transverse plate 11, a second box body 13 is arranged at the position, close to the top, in the inner cavity of the box body 1, the top ends of the first threaded rod 2 and the vertical rod 9 both penetrate through the center of the bottom of the second box body 13 and both extend to the inner cavity of the second box body 13, the inner cavity of the second box body 13 is provided with a telescopic mechanism 83, the outer edge of the first threaded rod 2 near the top end is sleeved with a first worm wheel 39, the front side of the first worm wheel 39 is meshed with a worm 40, the right end of the worm 40 penetrates through the right side of the inner cavity of the box body 1 near the center and is fixedly connected with a rocker 41, the front side of the worm 40 near the left end is meshed with a second worm wheel 42, the circle center of the top of the second worm wheel 42 is fixedly connected with a first rotating rod 43, the top end of the first rotating rod 43 penetrates through the top of the inner cavity of the box body 1 near the left side and is fixedly connected with a first gear 44, the right side of the first gear 44 is meshed with a second gear 45, the circle center of the second gear 45 is penetrated with a second threaded rod 46, the bottom end of the second threaded rod 46 is inserted at the top of the box body 1 near the center, a first threaded sleeve 47 is sleeved at the position, close to the top end, of the outer edge of the second threaded rod 46, a third box body 48 is arranged at the top end of the first threaded sleeve 47, the top end of the first threaded sleeve 47 is inserted at the center of the bottom of the third box body 48, an adjusting mechanism 85 is arranged in an inner cavity of the third box body 48, a supporting mechanism 82 comprises a first nut 3 sleeved at the position, close to the top end, of the outer edge of the first threaded rod 2, the bottom, close to the left side and the right side, of the first nut 3 are fixedly connected with first fixed blocks 4, supporting rods 5 are hinged at the front sides of the two first fixed blocks 4, a bearing is sleeved at the outer edge of the first threaded rod 2, first springs 6 are fixedly connected at the left side and the right side of the bearing, one ends, far away from the bearing, of the two first springs 6 are fixedly connected with the position, close to the top end, of the adjacent supporting rods 5, limiting plates 7 are fixedly connected at the left side and the right side of the first nut 3, a plurality of the limiting plates 8 are fixedly connected with a plurality of sponge cushions 8, the telescopic mechanism 83 comprises a second transverse plate 14 fixedly connected to the top end of a vertical rod 9, the bottom of the second transverse plate 14 close to the left and right sides is fixedly connected with a second spring 15, the bottom ends of the two second springs 15 are fixedly connected with the bottom of an inner cavity of a second box body 13, a movable plate 16 is sleeved on the outer edge of the vertical rod 9 close to the top end, a conical plate 17 is sleeved on the outer edge of the vertical rod 9 close to the top end, the top of the conical plate 17 is fixedly connected with the bottom of the movable plate 16, a third spring 18 is sleeved on the outer edge of the vertical rod 9 close to the top end, the top end of the third spring 18 is fixedly connected with the bottom of the conical plate 17, the bottom end of the third spring 18 is fixedly connected with the center of the top of the second transverse plate 14, a movable block 20 penetrates through the right side of the second box body 13 close to the center, the left side of the movable block 20 close to the top is arranged in an inclined plane, and the left side of the movable block 20 is arranged in a groove close to the bottom, the top of the inner cavity of the groove and the top of the movable plate 16 close to the right side are mutually attached, the inner cavity of the movable block 20 is provided with a rectangular groove, the inner cavity of the rectangular groove is provided with a triangular plate 21, the right side of the second transverse plate 14 is fixedly connected with a transverse rod 19, the right end of the transverse rod 19 penetrates through the right side of the inner cavity of the second box body 13, the top of the transverse rod 19 close to the right end is fixedly connected with a movable rod 22, the top end of the movable rod 22 penetrates through the inner cavity of the rectangular groove and is mutually attached with the bottom of the triangular plate 21, the right side of the inner cavity of the box body 1 close to the top is fixedly connected with a first limit sleeve 23, the right side of the inner cavity of the first limit sleeve 23 is fixedly connected with a fourth spring 24, the left end of the fourth spring 24 is fixedly connected with the right side of the movable block 20, the top of the movable block 20 is fixedly connected with an L-shaped rod 25, the right end of the L-shaped rod 25 penetrates through the right side of the inner cavity of the box body 1 close to the top and is fixedly connected with a first pull handle 26, a first connecting rod 27 is hinged on the front side of the vertical rod 9 close to the top end, a first rectangular opening is arranged on the left side of the box body 1 close to the top end, the left end of the first connecting rod 27 penetrates through an inner cavity of the first rectangular opening and is fixedly connected with a second handle 28, a containing mechanism 84 is arranged on the left side of the box body 1 and comprises a vertical plate 29 fixedly connected on the left side of the box body 1, sliding grooves are respectively arranged on the front side and the rear side of the vertical rod 9, sliding rods 30 are respectively fixedly connected on the tops of the inner cavities of the two sliding grooves, sliding blocks 31 are respectively sleeved on the outer edges of the two sliding rods 30 close to the center, third connecting rods 34 are respectively hinged on the front sides of the two sliding blocks 31, a bearing plate 35 is fixedly connected between the two third connecting rods 34 together, a third transverse plate 36 is fixedly connected on the left side of the box body 1 close to the bottom, second fixing blocks 37 are respectively fixedly connected on the front side and the rear side of the top of the third transverse plate 36, and one side of the two second fixing blocks 37 far away from the bearing plate 35 is hinged with a fourth connecting rod 38, the top ends of the two fourth connecting rods 38 are hinged to the middle of the adjacent third connecting rod 34, one side of the two sliding blocks 31, which is far away from the bearing plate 35, is fixedly connected with a first rotating shaft 33, the front side and the rear side of the vertical plate 29 are respectively provided with a second connecting rod 32, one end of the two first rotating shafts 33, which is far away from the bearing plate 35, respectively penetrates through the vertical plate 29 and one side of the adjacent second connecting rod 32, the top ends of the two second connecting rods 32 are respectively hinged to one side of the adjacent second handle 28, the adjusting mechanism 85 comprises a second rotating rod 49 penetrating through the center of the top of the third box body 48, the top end of the second rotating rod 49 is fixedly connected with a first disc 50, the outer edge of the second rotating rod 49, which is near the bottom end, is sleeved with a first conical gear 51, the right side of the first conical gear 51 is engaged with a second conical gear 52, the right center of the right side of the second conical gear 52 is fixedly connected with a third rotating rod 53, the right end of the third rotating rod 53 penetrates through the center of the right side of the inner cavity of the third box body 48, a first rotary disc 54 is fixedly connected, a third threaded rod 55 is arranged in the inner cavity of the second rotary rod 49 in a penetrating manner, a third bevel gear 56 is sleeved at the position, close to the bottom end, of the outer edge of the third threaded rod 55, a fourth bevel gear 57 is meshed with the left side of the third bevel gear 56, a fourth rotary rod 58 is fixedly connected to the center of the left side of the fourth bevel gear 57, the left end of the fourth rotary rod 58 penetrates through the left side, close to the center, of the inner cavity of the third box body 48 and is fixedly connected with a second rotary disc 59, the top end of the third threaded rod 55 penetrates through the center of the bottom of the first circular disc 50, a second threaded sleeve 61 is sleeved at the position, close to the top end, of the third threaded rod 55, telescopic rods 60 are fixedly connected to the positions, close to the left side and the right side, of the top of the first circular disc 50, a second circular disc 62 is fixedly connected to the top ends of the two telescopic rods 60 and the second threaded sleeve 61, a level body 63 is fixedly connected to the top of the second circular disc 62, the right side of the level body 63 is provided with a movable mechanism 86, the movable mechanism 86 comprises an ocular 77 fixedly connected to the right side of the level body 63, the right side of the ocular 77 is fixedly connected with a third circular plate 64, the right side of the third circular plate 64 is provided with a plurality of diamond plates 65, the diamond plates 65 are arranged in an arc array by taking the third circular plate 64 as a circle center, the centers of the diamond plates 65 are respectively provided with a second rectangular opening, the inner cavities of the second rectangular openings are respectively provided with a third rotating shaft 68 in a penetrating way, the left ends of the third rotating shafts 68 are respectively and fixedly connected with the right side of the third circular plate 64, the right ends of the third rotating shafts 68 are jointly and fixedly connected with a fourth circular plate 66, the circle center of the fourth circular plate 66 is provided with a second circular opening, the fourth circular plate 66 is provided with a plurality of third rectangular openings, the inner cavities of the third rectangular openings are respectively provided with a second rotating shaft 67 in a penetrating way, the left ends of the second rotating shafts 67 are respectively and fixedly connected with the right sides of the adjacent diamond plates 65, a third gear 70 is sleeved on the outer edge of the ocular lens 77 close to the left side, two transmission rods 69 are fixedly connected to the left side of the third disc 64, the two transmission rods 69 are arranged in an up-down symmetrical manner, the left ends of the two transmission rods 69 are fixedly connected with the right side of the third gear 70, a fourth gear 71 is meshed with the top of the third gear 70, a fourth threaded rod 72 is fixedly connected to the center of the left side of the fourth gear 71, a second limit sleeve 73 is sleeved on the outer edge of the fourth threaded rod 72 close to the center, a connecting rod 74 is fixedly connected to the bottom of the second limit sleeve 73, the bottom end of the connecting rod 74 is fixedly connected with the top of the level body 63, a second nut 75 is sleeved on the outer edge of the fourth threaded rod 72 close to the left end, an objective lens 76 is arranged at the left end of the level body 63, a dust cap 79 is arranged on the left side of the objective lens 76, a hinge 78 is arranged between the dust cap 79 and the objective lens 76, and the dust cap 79 is movably connected with the objective lens 76 through the hinge 78, the left side of the dust cover 79 is fixedly connected with a fifth connecting rod 80, the front side of the fifth connecting rod 80 is hinged with a sixth connecting rod 81 close to the left end, and the rear side of the sixth connecting rod 81 is hinged with the second nut 75 close to the top end.

s1: firstly, by shaking a rocker 41, the rocker 41 drives a first worm wheel 39 to rotate through a worm 40, the first worm wheel 39 drives a first nut 3 to move downwards through a first threaded rod 2, and when the first nut 3 moves to the outer side of a box body 1, a support rod 5 is unfolded outwards under the action of a first spring 6 and a limiting plate 7;

s2: when the worm 40 rotates, the first rotating rod 43 is driven to rotate through the second worm wheel 42, the first rotating rod 43 drives the second threaded rod 46 to rotate through the meshing action of the first gear 44 and the second gear 45, and the second threaded rod 46 drives the level to ascend through the action of the first threaded sleeve 47;

s3: then, by pulling the first handle 26 outwards, the first handle 26 drives the movable block 20 to compress the fourth spring 24 through the L-shaped rod 25 to move leftwards, the movable block 20 moves leftwards so that the third spring 18 and the conical plate 17 drive the vertical rod 9 to move upwards, the vertical rod 9 moves upwards to drive the universal wheel 12 to move upwards through the first transverse plate 11, so that the universal wheel 12 is completely retracted into the first box body 10, and the slipping phenomenon during working is prevented;

s4: when the vertical rod 9 ascends, the second connecting rod 32 pushes the sliding block 31 to move downwards under the action of the first connecting rod 27 and the second handle 28, and the movable block 31 moves downwards to enable the bearing plate 35 to be in an unfolded state under the action of the third connecting rod 34 and the fourth connecting rod 38, so that a worker can conveniently record when measuring;

s5: then, by rotating the first rotating disc 54, the first rotating disc 54 drives the second bevel gear 52 to rotate through the third rotating rod 53, the second bevel gear 52 drives the first disc 50 to rotate through the first bevel gear 51 and the second rotating rod 49, and the first disc 50 drives the level body 63 to rotate through the telescopic rod 60 and the second disc 62, so as to adjust the angle of the level body 63;

s6: meanwhile, the second turntable 59 can drive the fourth bevel gear 57 to rotate through the fourth rotating rod 58, the fourth bevel gear 57 drives the second threaded sleeve 61 to move upwards through the third bevel gear 56 and the third threaded rod 55, and the second threaded sleeve 61 drives the level body 63 to adjust up and down through the second disc 60;

s7: then, the size of the second circular opening of the fourth disk 66 can be adjusted through the action of the diamond plates 65, the second rotating shaft 67 and the third rotating shaft 68 by rotating the third disk 64, so that the size of the viewing coil of the eyepiece 77 can be adjusted;

s8: the third disk 64 is rotated while the third gear 70 is driven to rotate by the transmission rod 69, the third gear 70 drives the fourth threaded rod 72 to rotate by the fourth gear 71, the fourth threaded rod 72 drives the sixth connecting rod 81 to move leftwards by the second nut 75, and the sixth connecting rod 81 drives the dust cover 79 to be opened upwards by the fifth connecting rod 80.

The working principle is as follows: firstly, through swinging the rocker 41, the rocker 41 drives the first worm wheel 39 to rotate through the worm 40, the first worm wheel 39 expands the support rod 5 outwards through the action of the first threaded rod 2 and the support mechanism 82, the first rotating rod 43 is driven to rotate through the second worm wheel 42 while the worm 40 rotates, the first rotating rod 43 drives the second threaded rod 46 to rotate through the meshing action of the first gear 44 and the second gear 45, the second threaded rod 46 drives the level gauge to ascend through the action of the first threaded sleeve 47, then the first handle 26 is pulled outwards, the universal wheel 12 is completely retracted into the first box body 10 through the action of the telescopic mechanism 83, the slipping phenomenon is prevented from occurring during working, the bearing plate 35 is in an expanded state through the receiving mechanism 84 through the action of the first connecting rod 27 and the second handle 28 when the vertical rod 9 ascends, so that a worker can conveniently record during measurement, then rotate first carousel 54, can adjust the angle of spirit level body 63 and drive spirit level body 63 and adjust from top to bottom under the effect of adjustment mechanism 85, later can adjust the size of looking the eye coil of eyepiece 77 through slewing mechanism 86 by rotating third carousel 64, drive third gear 70 through transfer line 69 and rotate when rotating third carousel 64, third gear 70 drives fourth threaded rod 72 through fourth gear 71 and rotates, fourth threaded rod 72 drives sixth connecting rod 81 through second nut 75 and moves left, sixth connecting rod 81 drives shield 79 through fifth connecting rod 80 and upwards opens.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a level measurement device is used in bridge construction, includes box (1), its characterized in that: the bottom of the inner cavity of the box body (1) is provided with a first circular opening, the inner cavity of the first circular opening is provided with a first threaded rod (2) in a penetrating manner, the outer edge of the first threaded rod (2) is close to the top end and is provided with a supporting mechanism (82), the inner cavity of the first threaded rod (2) is provided with a vertical rod (9) in a penetrating manner, the bottom end of the first threaded rod (2) is provided with a first box body (10), the bottom end of the first threaded rod (2) is inserted into the center of the top of the first box body (10), the bottom end of the vertical rod (9) penetrates through the top of the first box body (10) and is fixedly connected with a first transverse plate (11), the bottom of the first box body (10) is provided with a first rectangular opening, the inner cavity of the first rectangular opening is provided with two universal wheels (12) in a penetrating manner, the two universal wheels (12) are arranged in a bilateral symmetry manner, and the tops of the two universal wheels (12) are fixedly connected with the bottom of the first transverse plate (11), the box body (1) is provided with a second box body (13) at the position close to the top, the top ends of the first threaded rod (2) and the vertical rod (9) penetrate through the center of the bottom of the second box body (13) and extend into the inner cavity of the second box body (13), the inner cavity of the second box body (13) is provided with a telescopic mechanism (83), the outer edge of the first threaded rod (2) is provided with a first worm wheel (39) at the position close to the top end, the front side of the first worm wheel (39) is engaged with a worm (40), the right end of the worm (40) penetrates through the right side of the inner cavity of the box body (1) and is close to the center, the right end of the inner cavity of the box body (1) is fixedly connected with a rocker (41), the front side of the worm (40) is engaged with a second worm wheel (42) at the position close to the left end, the center of the top of the second worm wheel (42) is fixedly connected with a first rotating rod (43), the top end of the inner cavity of the first rotating rod (43) penetrates through the box body (1) and is close to the left side, the box body is characterized in that a first gear (44) is fixedly connected, a second gear (45) is meshed with the right side of the first gear (44), a second threaded rod (46) penetrates through the center of the second gear (45), the bottom end of the second threaded rod (46) is connected to the top of the box body (1) in an inserting mode and close to the center, a first threaded sleeve (47) is sleeved on the outer edge of the second threaded rod (46) close to the top end, a third box body (48) is arranged at the top end of the first threaded sleeve (47), the top end of the first threaded sleeve (47) is connected to the bottom center of the third box body (48) in an inserting mode, and an adjusting mechanism (85) is arranged in the inner cavity of the third box body (48).

2. The leveling device for bridge construction according to claim 1, wherein: supporting mechanism (82) establish first nut (3) that the outside edge of first threaded rod (2) is close to top department including the cover, the bottom of first nut (3) is close to the first fixed block (4) of the equal fixedly connected with in left and right sides department, two the front side of first fixed block (4) all articulates there is bracing piece (5), the outside edge cover of first threaded rod (2) is equipped with the bearing, the equal fixedly connected with first spring (6), two in the left and right sides of bearing the one end that the bearing was kept away from in first spring (6) all is close to top department fixed connection with adjacent bracing piece (5), the equal fixedly connected with limiting plate (7) in the left and right sides of first nut (3), the equal fixedly connected with a plurality of foam-rubber cushions (8) in one side that limiting plate (7) are close to bracing piece (5).

3. The leveling device for bridge construction according to claim 1, wherein: the telescopic mechanism (83) comprises a second transverse plate (14) fixedly connected to the top end of a vertical rod (9), the bottom of the second transverse plate (14) is fixedly connected with second springs (15) close to the left side and the right side, the bottom ends of the two second springs (15) are fixedly connected with the bottom of an inner cavity of a second box body (13), a movable plate (16) is sleeved on the outer edge of the vertical rod (9) close to the top end, a conical plate (17) is sleeved on the outer edge of the vertical rod (9) close to the top end, the top of the conical plate (17) is fixedly connected with the bottom of the movable plate (16), a third spring (18) is sleeved on the outer edge of the vertical rod (9) close to the top end, the top end of the third spring (18) is fixedly connected with the bottom of the conical plate (17), and the bottom end of the third spring (18) is fixedly connected with the center of the top of the second transverse plate (14), the right side of the second box body (13) is close to the center and penetrates through a movable block (20), the left side of the movable block (20) is close to the top and is arranged in an inclined plane, the left side of the movable block (20) is close to the bottom and is arranged in a groove, the top of the groove inner cavity and the top of the movable plate (16) are close to the right side and are arranged in a mutually-fitted mode, a rectangular groove is formed in the inner cavity of the movable block (20), a triangular plate (21) is arranged in the inner cavity of the rectangular groove, a transverse rod (19) is fixedly connected to the right side of the second transverse plate (14), the right end of the transverse rod (19) penetrates through the right side of the inner cavity of the second box body (13), a movable rod (22) is fixedly connected to the top of the transverse rod (19) close to the right end, the top of the movable rod (22) penetrates through the inner cavity of the rectangular groove and is arranged in a mutually-fitted mode with the bottom of the triangular plate (21), and a first limit sleeve (23) is fixedly connected to the right side of the inner cavity of the box body (1) close to the top, inner chamber right side fixedly connected with fourth spring (24) of first stop collar (23), the left end of fourth spring (24) and the right side fixed connection of movable block (20), the top fixedly connected with L shape pole (25) of movable block (20), the right-hand member of L shape pole (25) runs through box (1) inner chamber right side and is close to top department to the first handle of fixedly connected with (26), the front side of montant (9) is close to that top department articulates there is first connecting rod (27), the left side of box (1) is close to top department and has seted up first rectangle opening, the left end of first connecting rod (27) runs through first rectangle opening inner chamber to fixedly connected with second handle (28), the left side of box (1) is equipped with receiving mechanism (84).

4. The leveling device for bridge construction according to claim 3, wherein: the storage mechanism (84) comprises a vertical plate (29) fixedly connected to the left side of the box body (1), sliding grooves are formed in the front side and the rear side of the vertical rod (9), sliding rods (30) are fixedly connected to the tops of the inner cavities of the sliding grooves, sliding blocks (31) are sleeved on the outer edges of the two sliding rods (30) close to the center, third connecting rods (34) are hinged to the front sides of the two sliding blocks (31), a bearing plate (35) is fixedly connected between the two third connecting rods (34) together, a third transverse plate (36) is fixedly connected to the left side of the box body (1) close to the bottom, second fixed blocks (37) are fixedly connected to the top of the third transverse plate (36) close to the front and rear sides, fourth connecting rods (38) are hinged to one side, away from the bearing plate (35), of the two second fixed blocks (37) are hinged to the side, close to the top, of the two fourth connecting rods (38) are hinged to the middle of the adjacent third connecting rods (34), two the equal first pivot (33) of fixedly connected with in one side of loading board (35) is kept away from in slider (31), both sides all have second connecting rod (32), two around riser (29) the one end that loading board (35) were kept away from in first pivot (33) all runs through one side of riser (29) and adjacent second connecting rod (32), two the top of second connecting rod (32) all articulates in the adjacent one side of second handle (28).

5. The leveling device for bridge construction according to claim 1, wherein: the adjusting mechanism (85) comprises a second rotating rod (49) penetrating through the center of the top of the third box body (48), a first disc (50) is fixedly connected to the top end of the second rotating rod (49), a first bevel gear (51) is sleeved on the outer side edge of the second rotating rod (49) close to the bottom end, a second bevel gear (52) is meshed on the right side of the first bevel gear (51), a third rotating rod (53) is fixedly connected to the center of the right side of the second bevel gear (52), the right end of the third rotating rod (53) penetrates through the center of the right side of the inner cavity of the third box body (48) and is fixedly connected with a first rotating disc (54), a third threaded rod (55) penetrates through the inner cavity of the second rotating rod (49), a third bevel gear (56) is sleeved on the outer side edge of the third threaded rod (55) close to the bottom end, a fourth bevel gear (57) is meshed on the left side of the third bevel gear (56), the left side centre of a circle department fixedly connected with fourth bull stick (58) of fourth conical gear (57), the inner chamber left side that the left end of fourth bull stick (58) runs through third box body (48) is close to center department to fixedly connected with second carousel (59), the bottom center department that first disc (50) was run through on the top of third threaded rod (55), the outside edge of third threaded rod (55) is close to top department cover and is equipped with second thread bush (61), the top of first disc (50) is close to equal fixedly connected with telescopic link (60) of left and right sides department, two the common fixedly connected with second disc (62) in top of telescopic link (60) and second thread bush (61), the top fixedly connected with appearance body (63) of second disc (62), the right side of spirit level body (63) is equipped with moving mechanism (86).

6. The leveling device for bridge construction according to claim 5, wherein: the movable mechanism (86) comprises an eyepiece (77) fixedly connected to the right side of the level body (63), a third disc (64) is fixedly connected to the right side of the eyepiece (77), a plurality of diamond plates (65) are arranged on the right side of the third disc (64) in an arc array mode by taking the third disc (64) as a circle center, a plurality of second rectangular openings are formed in the center of the diamond plates (65), a plurality of second rectangular opening inner cavities penetrate through the third rotating shaft (68), the left ends of the third rotating shafts (68) are fixedly connected with the right side of the third disc (64), a plurality of fourth discs (66) are fixedly connected to the right ends of the third rotating shafts (68) together, a second circular opening is formed in the circle center of the fourth discs (66), and a plurality of third rectangular openings are formed in the fourth discs (66), a plurality of third rectangle opening inner chamber all runs through and is equipped with second pivot (67), and is a plurality of the left end of second pivot (67) all with the right side fixed connection of adjacent diamond plate (65).

7. The leveling device for bridge construction according to claim 6, wherein: the outside edge of eyepiece (77) is close to left side department cover and is equipped with third gear (70), two transfer lines (69) of left side fixedly connected with of third disc (64), two transfer line (69) set up for longitudinal symmetry, two the left end of transfer line (69) all with the right side fixed connection of third gear (70), the top meshing of third gear (70) is equipped with fourth gear (71), the left side centre of a circle department fixedly connected with fourth threaded rod (72) of fourth gear (71), the outside edge of fourth threaded rod (72) is close to center department cover and is equipped with second stop collar (73), the bottom fixedly connected with connecting rod (74) of second stop collar (73), the bottom of connecting rod (74) and the top fixed connection of spirit level body (63), the outside edge of fourth threaded rod (72) is close to left end department cover and is equipped with second nut (75), the left end of spirit level body (63) is equipped with objective (76), there is shield (79) left side of objective (76), be equipped with hinge (78) between shield (79) and objective (76), shield (79) pass through hinge (78) swing joint with objective (76), the left side fixedly connected with fifth connecting rod (80) of shield (79), the front side of fifth connecting rod (80) is close to left end department and articulates there is sixth connecting rod (81), sixth connecting rod (81) rear side is close to top department and articulates with second nut (75).

8. The use method of the horizontal measuring device for bridge construction according to any one of claims 1 to 7, characterized by comprising the following steps:

s1: firstly, a rocker (41) is shaken, the rocker (41) drives a first worm wheel (39) to rotate through a worm (40), the first worm wheel (39) drives a first nut (3) to move downwards through a first threaded rod (2), and when the first nut (3) moves to the outer side of a box body (1), a supporting rod (5) is unfolded outwards under the action of a first spring (6) and a limiting plate (7);

s2: when the worm (40) rotates, the first rotating rod (43) is driven to rotate through the second worm gear (42), the first rotating rod (43) drives the second threaded rod (46) to rotate under the meshing action of the first gear (44) and the second gear (45), and the second threaded rod (46) drives the level to ascend under the action of the first threaded sleeve (47);

s3: then, the first handle (26) is pulled outwards, the first handle (26) drives the movable block (20) to compress the fourth spring (24) through the L-shaped rod (25) to move leftwards, the movable block (20) moves leftwards, so that the third spring (18) and the conical plate (17) drive the vertical rod (9) to move upwards, the vertical rod (9) moves upwards, the first transverse plate (11) drives the universal wheel (12) to move upwards, the universal wheel (12) is completely retracted into the first box body (10), and the phenomenon of slipping during working is prevented;

s4: when the vertical rod (9) rises, the second connecting rod (32) pushes the sliding block (31) to move downwards under the action of the first connecting rod (27) and the second handle (28), and the movable block (31) moves downwards to enable the bearing plate (35) to be in an unfolded state under the action of the third connecting rod (34) and the fourth connecting rod (38), so that a worker can conveniently record the measurement;

s5: then, the first rotating disc (54) is rotated, the first rotating disc (54) drives the second bevel gear (52) to rotate through the third rotating rod (53), the second bevel gear (52) drives the first disc (50) to rotate through the first bevel gear (51) and the second rotating rod (49), and the first disc (50) drives the level body (63) to rotate through the telescopic rod (60) and the second disc (62) so as to adjust the angle of the level body (63);

s6: meanwhile, the second turntable (59) can drive the fourth bevel gear (57) to rotate through the fourth rotating rod (58), the fourth bevel gear (57) drives the second threaded sleeve (61) to move upwards through the third bevel gear (56) and the third threaded rod (55), and the second threaded sleeve (61) drives the level body (63) to be adjusted up and down through the second disc (60);

s7: then, the size of a second circular opening of a fourth disc (66) can be adjusted through rotating a third disc (64) and under the action of a plurality of diamond plates (65), a second rotating shaft (67) and a third rotating shaft (68), so that the size of a watching eye coil of an eyepiece (77) can be adjusted;

s8: the third disc (64) is rotated, meanwhile, the third gear (70) is driven to rotate through the transmission rod (69), the third gear (70) drives the fourth threaded rod (72) to rotate through the fourth gear (71), the fourth threaded rod (72) drives the sixth connecting rod (81) to move leftwards through the second nut (75), and the sixth connecting rod (81) drives the dust cover (79) to be opened upwards through the fifth connecting rod (80).