CN113775881A - Movable urban bridge erects surveyor's level - Google Patents

Movable urban bridge erects surveyor's level Download PDF

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Publication number
CN113775881A
CN113775881A CN202111335786.9A CN202111335786A CN113775881A CN 113775881 A CN113775881 A CN 113775881A CN 202111335786 A CN202111335786 A CN 202111335786A CN 113775881 A CN113775881 A CN 113775881A
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CN
China
Prior art keywords
sides
supporting plate
wing plates
plumb
pipe
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Granted
Application number
CN202111335786.9A
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Chinese (zh)
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CN113775881B (en
Inventor
袁野
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Shandong Zidong Technology Development Co ltd
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Shandong Zidong Technology Development Co ltd
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Priority to CN202111335786.9A priority Critical patent/CN113775881B/en
Publication of CN113775881A publication Critical patent/CN113775881A/en
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Publication of CN113775881B publication Critical patent/CN113775881B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
    • F16M11/245—Members limiting spreading of legs, e.g. "umbrella legs"

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention relates to measuring equipment, in particular to a movable urban bridge erecting level, which comprises a level body and two wing plates, wherein the level body is arranged on a movable base, the two wing plates are respectively and rotatably arranged on two sides of a supporting plate, and the wing plates on the two sides can be synchronously rotated to be positioned on the same horizontal line with the supporting plate or rotated to be vertical to the supporting plate; when the wing plates on the two sides rotate to be positioned on the same horizontal line with the supporting plate, the wing plates on the two sides and the supporting plate form a horizontal track; the movable base can move on the horizontal rail. Can drive the pterygoid lamina tiling of both sides simultaneously through adjusting part to being in same water flat line with the layer board, the activity base can drive the spirit level body and slide on the pterygoid lamina of both sides and the common horizontal track that forms of layer board this moment, and the horizontal position of the adjustment spirit level body that can the small range under the prerequisite that need not remove the tripod structure realizes the function of activity survey and drawing.

Description

Movable urban bridge erects surveyor's level
Technical Field
The invention relates to measuring equipment, in particular to a movable urban bridge erecting level gauge.
Background
The level gauge is an indispensable instrument for building construction and engineering measurement, and is widely applied to the construction of roads, bridges and houses.
The spirit level may move during use when the body is moved, requiring the instrument to be moved, ideally stored in a box and transported to prevent impact on the instrument, when mounted on a tripod. In this case, the main body is moved as vertically as possible, and long-distance movement is required to store the main body in the box, so that the leveling screws on the main body are aligned as far as possible with the black line in the centers of the screws (the line in the centers of the leveling internal threads).
When a bridge is erected, for a bridge which cannot be directly measured in water or a super bridge and a bridge which have a wide water surface, a high pier, a large span, a deep water foundation or a large bridge with high construction difficulty and a complicated beam part structure, a construction plane control network needs to be established, the horizontal position of the level is repeatedly finely adjusted, the horizontal distance of multiple point positions is measured, and the sizes of the center position of the abutment and the detailed position of the abutment are determined.
The existing level needs to be moved together with a tripod when finely adjusting the position in the horizontal direction, is very inconvenient, and causes the elevation change of a surveying and mapping datum point when the tripod is shifted due to the unevenness of a ground foundation, so that the measurement error is easily increased.
Disclosure of Invention
The invention aims to provide a movable urban bridge erecting level so as to solve the problem that the existing level provided in the background technology is inconvenient to move horizontally.
In order to achieve the purpose, the invention provides the following technical scheme:
a movable city bridge erection level, comprising:
the leveling instrument body is arranged on the movable base;
the two wing plates are respectively and rotatably arranged on two sides of the supporting plate, and the wing plates on the two sides can be synchronously rotated to be positioned on the same horizontal line with the supporting plate or rotated to be perpendicular to the supporting plate; when the wing plates on the two sides rotate to be positioned on the same horizontal line with the supporting plate, the wing plates on the two sides and the supporting plate form a horizontal track; the movable base can move on the horizontal rail;
the plumb pipe is vertically fixed in the center below the supporting plate, a tripod structure used for supporting the plumb pipe is arranged outside the plumb pipe, and the tripod structure has two states of expansion and contraction;
the adjusting assembly is arranged on the plumb pipe and is respectively connected with the wing plates and the tripod structures on two sides, the adjusting assembly is used for driving the wing plates on two sides to rotate, and the tripod structures are in a spreading state when the adjusting assembly drives the wing plates on two sides to rotate to be on the same horizontal line with the supporting plate; when the wing plates rotate to be vertical to the supporting plate, the tripod structure is in a contraction state and is parallel to the plumb pipe.
As a further scheme of the invention: the adjustment assembly includes:
the folding and unfolding screw rod is rotatably arranged inside the plumb pipe, and one side of the folding and unfolding screw rod, which is far away from the supporting plate, penetrates out of the plumb pipe;
the threaded lantern ring is matched with the external thread on the upper part of the folding and unfolding screw rod and is vertically and movably arranged inside the plumb bob pipe;
the truss structure is divided into an upper truss group and a lower truss group, and the upper truss group and the lower truss group are fixed on the outer wall of the threaded lantern ring; the upper truss group is connected with the wing plates on two sides through a first connecting rod, and the lower truss group is connected with the tripod structure;
the upper part of the plumb bob pipe is respectively provided with a strip-shaped through groove for the upper truss group and the lower truss group to pass through, and one end of the folding and unfolding screw rod, which is far away from the supporting plate, is fixedly provided with an adjusting knob.
As a still further scheme of the invention: the upper truss group comprises upper cross beams fixed on two sides of the upper part of the outer wall of the threaded lantern ring, the upper cross beams on the two sides are arranged in a collinear manner, and when the wing plates on the two sides rotate to be positioned on the same horizontal line with the supporting plate, the upper cross beams on the two sides are respectively parallel to the wing plates on the two sides;
the two first connecting rods are respectively connected with the upper cross beams and the wing plates on two sides, one end of each upper cross beam is fixed with the outer wall of the corresponding threaded sleeve ring, the other end of each upper cross beam is rotatably connected with the end part of the corresponding first connecting rod, the other end of each first connecting rod is rotatably connected with the lower part of the corresponding wing plate, and two through grooves for the upper cross beams on the two sides to penetrate through are vertically formed in the plumb pipe;
the lower truss group comprises three lower cross beams which are fixed on the lower part of the outer wall of the threaded lantern ring at equal intervals along the circumference, and three penetrating grooves for the three lower cross beams to penetrate through are vertically formed in the plumb pipe.
As a still further scheme of the invention: the tripod structure comprises three triangular support rods which are equidistantly arranged around the circumference of the plumb pipe and a second connecting rod which is used for connecting the triangular support rods with the outer wall of the plumb pipe, and the upper ends of the triangular support rods are rotatably connected with one end of the lower cross beam, which penetrates out of the through groove;
second connecting rod one end with the outer wall of plumb bob pipe rotates to be connected, the other end with the middle part position of triangle branch rotates to be connected, and the second connecting rod also is three, winds plumb bob pipe circumference equidistance sets up.
As a still further scheme of the invention: concave rails are arranged on the wing plate and the supporting plate, the sections of the concave rails are semicircular, a plurality of horizontally distributed balls are rotatably arranged on the inner wall of the movable base, and the outer diameters of the balls are equivalent to the inner diameter of the sections of the concave rails;
when the wing plates on the two sides rotate to be positioned on the same horizontal line with the supporting plate, the wing plates are coaxially butted with the concave rails arranged on the supporting plate.
As a still further scheme of the invention: the plumb pipe is also provided with a locking assembly, the wing plates on two sides rotate to be perpendicular to the supporting plate, and when the tripod structure is in a contraction state and is parallel to the plumb pipe, the locking assembly locks the movable base at the center of the supporting plate; when the wing plates on the two sides rotate to be on the same horizontal line with the supporting plate and the tripod structure is in an unfolded state, the locking assembly unlocks the movable base and the supporting plate.
As a still further scheme of the invention: the locking assembly includes:
the lifting structure is arranged on the outer wall of the plumb pipe;
the meshing transmission structure is connected with the lifting structure and the folding and unfolding screw rod;
the elastic inserting structure is connected with the lifting structure and the movable base;
the meshing transmission structure comprises a residual gear fixed on the folding and unfolding screw rod and a full gear arranged outside the plumb bob pipe and connected with the lifting structure and in intermittent fit with the residual gear.
As a still further scheme of the invention: the elevation structure includes:
the locking screw rod is vertically and rotatably arranged on the outer wall of the plumb pipe;
the sleeve is in threaded connection with the locking screw rod;
the rollers are rotatably arranged on two sides of the sleeve and are in rolling fit with the outer wall of the plumb bob tube;
the full gear is fixed on the lower part of the locking screw rod, a leakage groove for the full gear to pass through is formed in the plumb bob tube, and the elastic insertion structure is arranged between the sleeve and the movable base.
As a still further scheme of the invention: the elasticity grafting structure includes:
the fixed cylinder is fixed on the outer wall of the sleeve and is vertically arranged;
the positioning rod is sleeved on the upper part of the fixed cylinder in a sliding manner;
the tip cone is fixed at the upper end of the positioning rod;
the spring is sleeved at the upper part of the positioning rod, the upper end of the spring is abutted against the bottom of the tip cone, and the lower end of the spring is abutted against the top of the fixed cylinder;
the taper sleeve is fixed at the middle point of the edge of the movable base and is matched with the tip cone.
Compared with the prior art, the invention has the beneficial effects that: can drive the pterygoid lamina tiling of both sides simultaneously through adjusting part to being in same water flat line with the layer board, the activity base can drive the spirit level body and slide on the pterygoid lamina of both sides and the common horizontal track that forms of layer board this moment, and the horizontal position of the adjustment spirit level body that can the small range under the prerequisite that need not remove the tripod structure realizes the function of activity survey and drawing.
Drawings
FIG. 1 is a schematic structural view of a movable urban bridge erecting level gauge;
FIG. 2 is a schematic structural view of another view angle of the movable city bridge erecting level gauge;
FIG. 3 is a schematic view of the separated level body and tripod configuration;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic view of the present invention with the body and the movable base removed;
FIG. 6 is another directional view of FIG. 5;
FIG. 7 is a partial structure view of a movable pedestal and a plumb pipe in the movable city bridge erecting level;
FIG. 8 is a view of the retraction screw removed from the plumb pipe in cooperation with the threaded collar;
fig. 9 is a schematic structural view of a locking assembly in the movable city bridge erecting level.
In the figure: 1-a level body; 2-a movable base; 3-a supporting plate; 4-wing plate; 5-plumb pipe; 6-retracting and extending the screw rod; 7-adjusting knob; 8-a threaded collar; 9-a first link; 10-triangular struts; 11-a second link; 12-a spur gear; 13-full gear; 14-locking the lead screw; 15-a cannula; 16-a roller; 17-a stationary cylinder; 18-a positioning rod; 19-a spring; 20-tip cone; 21-taper sleeve; 22-groove track; 23-ball.
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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 9, as an embodiment of the present invention, the movable city bridge erecting level comprises a level body 1 and two wing plates 4 installed on a movable base 2, the number of the wing plates 4 is two, the two wing plates 4 are respectively rotatably installed on two sides of a supporting plate 3, and the wing plates 4 on the two sides can be synchronously rotated to be on the same horizontal line with the supporting plate 3 or rotated to be perpendicular to the supporting plate 3; when the wing plates 4 on the two sides rotate to be positioned on the same horizontal line with the supporting plate 3, the wing plates 4 on the two sides and the supporting plate 3 form a horizontal track; the movable base 2 can move on a horizontal rail;
a plumb pipe 5 is vertically fixed at the center below the supporting plate 3, a tripod structure for supporting the plumb pipe 5 is arranged outside the plumb pipe 5, and the tripod structure has two states of expansion and contraction; the plumb pipe 5 is provided with an adjusting component which is respectively connected with the wing plates 4 at the two sides and a tripod structure, the adjusting component is used for driving the wing plates 4 at the two sides to rotate, and the tripod structure is in an unfolded state when the adjusting component drives the wing plates 4 at the two sides to rotate to be positioned on the same horizontal line with the supporting plate 3; the tripod structure is in a retracted state when the wings 4 are rotated to be perpendicular to the pallet 3 and parallel to the plumb pipe 5.
In this embodiment, can drive the pterygoid lamina 4 tiling of both sides simultaneously through adjusting part to being in same water flat line with layer board 3, movable base 2 can drive spirit level body 1 and slide on the pterygoid lamina 4 of both sides and the common horizontal track that forms of layer board 3 this moment, and the horizontal position of adjustment spirit level body 1 that can the minizone under the prerequisite that need not remove the tripod structure realizes the function of activity survey and drawing.
In addition, when the adjusting component drives the wing plates 4 at the two sides to be tiled, the tripod structure is driven to be unfolded, so that the leveling instrument body 1 is supported by the tripod structure; and when the pterygoid lamina 4 that adjusting part drove both sides rotated to being perpendicular with layer board 3, the tripod structure shrink to being parallel with plumb pipe 5 to the pterygoid lamina 4 and the tripod structure of messenger both sides all are parallel with plumb pipe 5, and overall structure is folding, and occupation space is little, conveniently carries, saves, removes whole device.
As another embodiment of the invention, the adjusting assembly comprises a retracting lead screw 6 rotatably arranged inside the plumb pipe 5, a threaded lantern ring 8 matched with the external thread on the upper part of the retracting lead screw 6 and vertically and movably arranged inside the plumb pipe 5, and a truss structure;
one side of the folding lead screw 6, which is far away from the supporting plate 3, penetrates through the plumb bob pipe 5; the truss structure is divided into an upper truss group and a lower truss group, and the upper truss group and the lower truss group are both fixed on the outer wall of the threaded lantern ring 8; the upper truss group is connected with the wing plates 4 at two sides through a first connecting rod 9, and the lower truss group is connected with a tripod structure;
the upper part of the plumb bob pipe 5 is respectively provided with a strip-shaped through groove for the upper truss group and the lower truss group to pass through, and one end of the folding and unfolding screw rod 6, which is far away from the supporting plate 3, is fixedly provided with an adjusting knob 7;
of course, the inner wall of the threaded sleeve ring 8 is provided with an internal thread matched with the external thread on the upper part of the retractable lead screw 6.
In the embodiment, the adjusting knob 7 is rotated to drive the folding and unfolding screw rod 6 to rotate, and the folding and unfolding screw rod 6 drives the threaded lantern ring 8 in threaded fit with the folding and unfolding screw rod 6 to vertically move along the axis of the folding and unfolding screw rod 6 under the constraint of the truss structure and the through groove; when the threaded lantern ring 8 moves upwards along the axis of the folding and unfolding screw rod 6, the upper truss group and the first connecting rod 9 are matched to drive the wing plates 4 on two sides to rotate and be tiled to be on the same horizontal line with the supporting plate 3, and the lower truss group drives the tripod structure to unfold.
When the threaded lantern ring 8 moves downwards along the axis of the folding and unfolding screw rod 6, the upper truss group is matched with the first connecting rod 9 to drive the wing plates 4 on the two sides to rotate to be vertical to the supporting plate 3, and the lower truss group drives the tripod structure to shrink.
As another embodiment of the present invention, the upper truss group includes upper crossbeams fixed on both sides of the upper portion of the outer wall of the threaded collar 8, the upper crossbeams on both sides are arranged in a collinear manner, and when the wing plates 4 on both sides rotate to be on the same horizontal line with the supporting plate 3, the upper crossbeams on both sides are respectively parallel to the wing plates 4 on both sides;
the two first connecting rods 9 are respectively connected with the upper cross beams and the wing plates 4 on the two sides, one end of each upper cross beam is fixed with the outer wall of the threaded sleeve ring 8, the other end of each upper cross beam is rotatably connected with the end part of the corresponding first connecting rod 9, the other end of each first connecting rod 9 is rotatably connected with the lower part of the corresponding wing plate 4, and two through grooves for the upper cross beams on the two sides to penetrate through are vertically formed in the plumb pipe 5;
the lower truss group comprises three lower cross beams which are equidistantly fixed on the lower part of the outer wall of the threaded lantern ring 8 along the circumference, and three through grooves for the three lower cross beams to pass through are vertically formed in the plumb pipe 5.
In this embodiment, under the action of the upper cross beam and the lower cross beam respectively matching with the plurality of through grooves, the threaded collar 8 can only move along a path parallel to the vertical through grooves, that is, the threaded collar 8 can only move along the axis of the deploying and retracting screw rod 6 in the plumb pipe 5, so as to prevent the threaded collar 8 from being driven to rotate when the deploying and retracting screw rod 6 rotates;
the length of the through groove limits the movable range of the tripod structure and the wing plates 4 at two sides, when the threaded lantern ring 8 drives the upper beam and the lower beam to move to the top of the through groove, the first connecting rod 9 drives the wing plates 4 at two sides to be tiled to be horizontally collinear with the supporting plate 3, and the tripod structure is completely unfolded; when the upper beam and the lower beam are driven by the threaded lantern ring 8 to move to the bottom of the through groove, the wing plates 4 on the two sides are driven by the first connecting rod 9 to rotate to be parallel to the plumb pipe 5, and the triangular structure is completely contracted to be parallel to the plumb pipe 5.
As another embodiment of the present invention, the tripod structure comprises three triangular supporting rods 10 equidistantly arranged around the circumference of the plumb pipe 5 and a second connecting rod 11 for connecting the triangular supporting rods 10 with the outer wall of the plumb pipe 5, wherein the upper ends of the triangular supporting rods 10 are rotatably connected with one end of the lower cross beam penetrating through the through groove;
one end of each second connecting rod 11 is rotatably connected with the outer wall of the plumb pipe 5, the other end of each second connecting rod is rotatably connected with the middle of the triangular supporting rod 10, and the three second connecting rods 11 are arranged around the periphery of the plumb pipe 5 at equal intervals.
In the embodiment, when the threaded lantern ring 8 drives the three lower cross beams to move in the through groove, the three triangular support rods 10 are unfolded or contracted under the action of the three second connecting rods 11;
specifically, when the threaded lantern ring 8 drives the lower cross beam to move to the top of the through groove, the three triangular support rods 10 and the second connecting rod 11 are matched and completely unfolded; and when the threaded lantern ring 8 drives the lower cross beam to move to the bottom of the through groove, the three triangular supporting rods 10 are matched with the second connecting rod 11, so that the triangular supporting rods 10 are contracted to be parallel to the plumb pipe 5.
As another embodiment of the present invention, in order to reduce the friction force between the movable base 2 and the horizontal track, the wing plate 4 and the pallet 3 are both provided with a concave track 22, the section of the concave track 22 is semicircular, the inner wall of the movable base 2 is rotatably provided with a plurality of horizontally distributed balls 23, and the outer diameter of the balls 23 is equivalent to the inner diameter of the section of the concave track 22;
when the wing plates 4 on the two sides rotate to be positioned on the same horizontal line with the supporting plate 3, the wing plates 4 are coaxially butted with the concave rails 22 arranged on the supporting plate 3.
In this embodiment, because the balls 23 and the concave rails 22 are arranged, the movable base 2 cannot be separated from the supporting plate 3 and the wing plate 4, and meanwhile, the friction force generated when the movable base 2 moves on the horizontal rail can be reduced, so that the convenience of moving the level body 1 on the horizontal rail is greatly improved; in addition, wear between the movable floor 2 and the pallet 3 and the wing 4 is advantageously reduced.
As another embodiment of the present invention, the plumb pipe 5 is further provided with a locking assembly, when the wing plates 4 on both sides are rotated to be perpendicular to the support plate 3 and the tripod structure is in a contracted state and parallel to the plumb pipe 5, the locking assembly locks the movable base 2 at the center of the support plate 3; when the wing plates 4 on the two sides rotate to be on the same horizontal line with the supporting plate 3 and the tripod structure is in an unfolded state, the locking assembly unlocks the movable base 2 and the supporting plate 3.
In this embodiment, can realize keeping movable base 2 and spirit level body 1 fixed with layer board 3 when packing up whole device through setting up the locking Assembly, avoid in removal and handling movable base 2 to move about on layer board 3, cause the damage to spirit level body 1.
As another embodiment of the present invention, the locking assembly includes a lifting structure disposed on the outer wall of the plumb pipe 5, a gearing structure connecting the lifting structure and the deploying and retracting screw 6, and an elastic insertion structure connecting the lifting structure and the movable base 2;
the meshing transmission structure comprises a residual gear 12 fixed on the folding and unfolding screw rod 6 and a full gear 13 which is arranged outside the plumb bob tube 5, is connected with the lifting structure and is in discontinuous fit with the residual gear 12.
In this embodiment, when the folding and unfolding screw 6 is rotated, the residual gear 12 is used to intermittently drive the full gear 13 to rotate, the full gear 13 drives the lifting structure to work, and the lifting structure drives the elastic insertion structure to move, so that the movable base 2 and the plumb pipe 5 are locked or unlocked, and further the movable base 2 is locked on the supporting plate 3 or unlocked from the supporting plate 3.
As another embodiment of the present invention, the lifting structure includes a locking screw 14 vertically rotatably disposed on the outer wall of the plumb pipe 5, a sleeve 15 threadedly coupled to the locking screw 14, and rollers 16 rotatably disposed on both sides of the sleeve 15 and in rolling engagement with the outer wall of the plumb pipe 5;
the full gear 13 is fixed at the lower part of the locking screw 14, a leak groove for the full gear 13 to pass through is arranged on the plumb bob pipe 5, and the elastic insertion structure is arranged between the sleeve 15 and the movable base 2;
note that the outer edge of the residual gear 12 is continuously toothed and continuously smooth, the toothed part of the residual gear is matched with the full gear 13, and the full gear 13 passes through the leakage groove to be matched with the toothed part on the residual gear 12.
In the embodiment, when the folding and unfolding screw rod 6 rotates, the residual gear 12 is driven to rotate, the residual gear 12 intermittently drives the full gear 13 to rotate through the toothed part on the residual gear, so as to drive the locking screw rod 14 to intermittently rotate, and the locking screw rod 14 which intermittently rotates drives the sleeve 15 to intermittently lift;
the roller 16 is provided to prevent the sleeve 15 from following rotation without lifting when the lock screw 14 is rotated.
As another embodiment of the present invention, the elastic plug structure includes a fixed cylinder 17 fixed on the outer wall of the sleeve 15 and vertically disposed, a positioning rod 18 slidably sleeved on the upper portion of the fixed cylinder 17, a tip cone 20 fixed on the upper end of the positioning rod 18, a spring 19 sleeved on the upper portion of the positioning rod 18, and a taper sleeve 21 fixed on the middle point of the edge of the movable base 2 and adapted to the tip cone 20; the upper end of the spring 19 abuts against the tip cone bottom portion 20, and the lower end abuts against the top of the fixed cylinder 17.
In the embodiment, when the device is folded, the movable base 2 is moved to the center of the supporting plate 3, then the sleeve 15 is lifted to drive the fixed cylinder 17 to approach the movable base 2, the fixed cylinder 17 drives the positioning rod 18, the tip cone 20 and the spring 19 to approach the taper sleeve 21 continuously until the tip cone 20 is completely inserted into the taper sleeve 21, so that the movable base 2 and the plumb pipe 5 are fixed, namely the movable base 2 is fixed at the center of the supporting plate 3;
it should be noted that, in a normal situation, after the tip cone 20 is completely sleeved in the cone sleeve 21, the retracting screw 6 continues to drive the full gear 13 and the locking screw 14 to intermittently rotate through the residual gear 12, so that the sleeve 15 and the fixed cylinder 17 continue to move upwards, at this time, the tip cone 20 is completely sleeved in the cone sleeve 21, so that the tip cone 20 and the positioning rod 18 do not move upwards any more, the positioning rod 18 is sleeved downwards into the ascending fixed cylinder 17 to compress the spring 19, and the purpose of this setting is to set a certain elastic spaciousness between the tip cone 20 and the cone sleeve 21, so as to prevent the sleeve 15 from rigidly driving the tip cone 20 to continue to move upwards to destroy the cone sleeve 21 after the tip cone 20 is completely sleeved in the cone sleeve 21.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides a movable urban bridge erects surveyor's level which characterized in that includes: the leveling instrument comprises a leveling instrument body (1), wherein the leveling instrument body (1) is installed on a movable base (2); the number of the wing plates (4) is two, the two wing plates (4) are respectively and rotatably arranged on two sides of the supporting plate (3), and the wing plates (4) on the two sides can be synchronously rotated to be positioned on the same horizontal line with the supporting plate (3) or rotated to be perpendicular to the supporting plate (3); when the wing plates (4) on the two sides rotate to be positioned on the same horizontal line with the supporting plate (3), the wing plates (4) on the two sides and the supporting plate (3) form a horizontal track; the movable base (2) can move on the horizontal track; the plumb pipe (5) is vertically fixed at the center below the supporting plate (3), a tripod structure for supporting the plumb pipe (5) is arranged outside the plumb pipe (5), and the tripod structure has two states of expansion and contraction; the adjusting assembly is arranged on the plumb pipe (5) and is respectively connected with the wing plates (4) on the two sides and a tripod structure, the adjusting assembly is used for driving the wing plates (4) on the two sides to rotate, and the tripod structure is in a spreading state when the adjusting assembly drives the wing plates (4) on the two sides to rotate to be on the same horizontal line with the supporting plate (3); when the wing plates (4) rotate to be vertical to the supporting plate (3), the tripod structure is in a contraction state and is parallel to the plumb pipe (5).
2. The mobile urban bridge erection level according to claim 1, wherein said adjustment assembly comprises: the folding and unfolding screw rod (6) is rotatably arranged inside the plumb pipe (5), and one side, away from the supporting plate (3), of the folding and unfolding screw rod (6) penetrates out of the plumb pipe (5); the threaded lantern ring (8), the threaded lantern ring (8) is matched with the external thread on the upper part of the folding and unfolding screw rod (6) and is vertically and movably arranged inside the plumb pipe (5); the truss structure is divided into an upper truss group and a lower truss group, and the upper truss group and the lower truss group are fixed on the outer wall of the threaded lantern ring (8); the upper truss group is connected with the wing plates (4) at two sides through a first connecting rod (9), and the lower truss group is connected with the tripod structure; the upper part of the plumb bob pipe (5) is respectively provided with a strip-shaped through groove for the upper truss group and the lower truss group to pass through, and one end of the folding and unfolding screw rod (6) departing from the supporting plate (3) is fixedly provided with an adjusting knob (7).
3. The movable city bridge erecting level according to claim 2, wherein said upper truss group comprises upper cross beams fixed on both sides of the upper portion of the outer wall of said threaded collar (8), said upper cross beams on both sides are arranged collinearly, and when said wing plates (4) on both sides are rotated to be on the same horizontal line with said supporting plate (3), said upper cross beams on both sides are respectively parallel to said wing plates (4) on both sides;
the two first connecting rods (9) are respectively connected with the upper cross beam and the wing plate (4) on two sides, one end of each upper cross beam is fixed with the outer wall of the threaded lantern ring (8), the other end of each upper cross beam is rotatably connected with the end part of the corresponding first connecting rod (9), the other end of each first connecting rod (9) is rotatably connected with the lower part of the corresponding wing plate (4), and two penetrating grooves for the upper cross beams on the two sides to penetrate through are vertically formed in the plumb pipe (5); the lower truss group comprises three lower cross beams which are fixed on the lower portion of the outer wall of the threaded lantern ring (8) at equal intervals along the circumference, and three penetrating grooves for the three lower cross beams to penetrate through are vertically formed in the plumb pipe (5).
4. A movable city bridge erecting level according to claim 3, wherein said tripod structure comprises three triangular supporting rods (10) equidistantly arranged around the circumference of said plumb pipe (5) and a second connecting rod (11) for connecting said triangular supporting rods (10) with the outer wall of said plumb pipe (5), the upper ends of said triangular supporting rods (10) are rotatably connected with one end of said lower beam penetrating out of said through groove; second connecting rod (11) one end with the outer wall of plumbous hammer pipe (5) rotates to be connected, the other end with the middle part position of triangle branch (10) rotates to be connected, and second connecting rod (11) also is three, winds plumbous hammer pipe (5) circumference equidistance sets up.
5. A movable city bridge erecting level gauge according to any one of claims 1 to 4, wherein concave rails (22) are respectively arranged on the wing plates (4) and the supporting plates (3), the sections of the concave rails (22) are semicircular, a plurality of horizontally distributed balls (23) are rotatably arranged on the inner wall of the movable base (2), and the outer diameter of each ball (23) is equivalent to the inner diameter of the section of each concave rail (22); when the wing plates (4) on the two sides rotate to be positioned on the same horizontal line with the supporting plate (3), the wing plates (4) are coaxially butted with the concave rails (22) arranged on the supporting plate (3).
6. A mobile city bridge erecting level according to any one of claims 2 to 4, wherein said plumb pipe (5) is further provided with a locking assembly, when said wing plates (4) on both sides are rotated to be perpendicular to said pallet (3) and said tripod structure is in a retracted state and parallel to said plumb pipe (5), said locking assembly locks said mobile base (2) in the center of said pallet (3); when the wing plates (4) on two sides rotate to be on the same horizontal line with the supporting plate (3) and the tripod structure is in a spreading state, the locking assembly unlocks the movable base (2) and the supporting plate (3).
7. The mobile urban bridge erection level according to claim 6, wherein said locking assembly comprises: the lifting structure is arranged on the outer wall of the plumb pipe (5); the meshing transmission structure is connected with the lifting structure and the folding and unfolding screw rod (6); the elastic inserting structure is connected with the lifting structure and the movable base (2); the meshing transmission structure comprises a residual gear (12) fixed on the folding and unfolding screw rod (6) and a full gear (13) arranged outside the plumb bob tube (5) and connected with the lifting structure and in discontinuous fit with the residual gear (12).
8. The mobile city bridge erection level according to claim 7, wherein said lifting structure comprises: the locking screw rod (14), the locking screw rod (14) is vertically and rotatably arranged on the outer wall of the plumb bob tube (5); a sleeve (15), wherein the sleeve (15) is in threaded connection with the locking screw rod (14); the rollers (16) are rotatably arranged on two sides of the sleeve (15) and are in rolling fit with the outer wall of the plumb bob tube (5); the full gear (13) is fixed on the lower portion of the locking screw rod (14), a leakage groove for the full gear (13) to penetrate through is formed in the plumb bob tube (5), and the elastic insertion structure is arranged between the sleeve (15) and the movable base (2).
9. The movable city bridge erection level according to claim 8, wherein said elastic insertion structure comprises: the fixed cylinder (17), the said fixed cylinder (17) is fixed on the outer wall of the said quill (15) and set up vertically; the positioning rod (18), the sliding sleeve of the positioning rod (18) is arranged on the upper part of the fixed cylinder (17); the tip cone (20), the tip cone (20) is fixed on the upper end of the positioning rod (18); the spring (19) is sleeved on the upper part of the positioning rod (18), the upper end of the spring (19) is abutted against the bottom part (20) of the tip cone, and the lower end of the spring (19) is abutted against the top part of the fixed barrel (17); the taper sleeve (21) is fixed to the middle point of the edge of the movable base (2), and the taper sleeve (21) is matched with the tip cone (20).
CN202111335786.9A 2021-11-12 2021-11-12 Movable urban bridge erects surveyor's level Active CN113775881B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116336349A (en) * 2023-05-29 2023-06-27 云南电网有限责任公司 Scanning precision auxiliary device of three-dimensional laser scanning equipment

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KR20160014867A (en) * 2014-07-29 2016-02-12 삼성중공업 주식회사 Shape adjustable jig for blade loading and blade loading foundation
CN205919813U (en) * 2016-08-01 2017-02-01 曾敏 Surveyor's level is used in road survey and drawing
CN206602613U (en) * 2017-04-05 2017-10-31 九江职业技术学院 A kind of music microphone that two-way can be used
CN210719170U (en) * 2019-10-29 2020-06-09 张海亮 Engineering surveying instrument fixing support device
CN214535423U (en) * 2020-12-28 2021-10-29 安徽师范大学 Interactive electronic teaching device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160014867A (en) * 2014-07-29 2016-02-12 삼성중공업 주식회사 Shape adjustable jig for blade loading and blade loading foundation
CN205919813U (en) * 2016-08-01 2017-02-01 曾敏 Surveyor's level is used in road survey and drawing
CN206602613U (en) * 2017-04-05 2017-10-31 九江职业技术学院 A kind of music microphone that two-way can be used
CN210719170U (en) * 2019-10-29 2020-06-09 张海亮 Engineering surveying instrument fixing support device
CN214535423U (en) * 2020-12-28 2021-10-29 安徽师范大学 Interactive electronic teaching device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116336349A (en) * 2023-05-29 2023-06-27 云南电网有限责任公司 Scanning precision auxiliary device of three-dimensional laser scanning equipment
CN116336349B (en) * 2023-05-29 2023-08-22 云南电网有限责任公司 Scanning precision auxiliary device of three-dimensional laser scanning equipment

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