CN215064551U

CN215064551U - Measuring device is used in road bridge construction

Info

Publication number: CN215064551U
Application number: CN202120428238.XU
Authority: CN
Inventors: 兰菊
Original assignee: Shanghai Yuansu Foundation Engineering Co ltd
Current assignee: Shanghai Yuansu Foundation Engineering Co ltd
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2021-12-07
Anticipated expiration: 2031-02-27

Abstract

The utility model discloses a measuring device is used in road bridge construction belongs to measuring tool technical field. The utility model provides a measuring device is used in road bridge construction, including the movable block, the motor output passes inside extension to the outside of gear A and coaxial coupling has the lead screw, lead screw upper end threaded connection has the measurement lifter, lifter front side bottom is equipped with the rolling main part, rolling main part below is connected through the coiling rope and is fixed with the measurement metal awl, lifter rear side bottom is equipped with spacing post, the inside downside sliding connection of spacing post has the regulation pole, it has gear B to adjust the pole lower extreme, it passes gear B to extend to cyclic annular dovetail groove inside and has cup jointed the slider to adjust the pole lower extreme, closely cooperate between the structure, make the device can adjust according to the height of bridge, the effectual bridge that has avoided measuring co-altitude will change different dead levers and measure, waste time and energy, the condition of measuring efficiency has been reduced.

Description

Measuring device is used in road bridge construction

Technical Field

The utility model relates to a measuring tool technical field, more specifically say, relate to a measuring device is used in road bridge construction.

Background

The road and bridge engineering is a general term of the road engineering and the bridge engineering, so that the road and the bridge are born simultaneously to a certain extent, and in the road and bridge construction, in order to meet construction requirements and achieve building accuracy, perpendicularity measurement is often carried out on a pier and a road surface. The existing bridge pier verticality measuring device is generally combined by a thread rope and a lead weight, needs manual hand-held measurement, is low in measurement precision and inconvenient to fix, and easily causes falling accidents when being used by workers. The document with the prior art publication number of CN209043309U provides a measuring device for road and bridge construction, and the device has the dead lever through the top threaded connection of connecting rod, and the top of dead lever is connected with the switching frame through first pin buckle, and one side fixedly connected with fixed plate of dead lever is kept away from to the switching frame, and the center of fixed plate is connected with the coiling mechanism through second pin buckle, and the bottom fixedly connected with metal awl of coiling mechanism utilizes the coiling mechanism to drive the rope and remove, and the cooperation metal awl realizes the straightness measurement that hangs down. Although the device has more beneficial effects, the following problems still exist: the device measures through setting up the dead lever, lead to measuring the not bridge of co-altitude and need change different dead levers and measure, waste time and energy, reduced measuring efficiency, and the dead lever longer can make its unstability, there is the skew error, and can not carry out turned angle to the measuring stick, thereby it is required to lead to not adapting to, or when blockking, need change through the position that changes the movable block, there is very big limitation, in view of this, we provide a measuring device for the road bridge construction.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a measuring device is used in road bridge construction to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

A measuring device for road and bridge construction comprises a moving block, brake wheels are arranged at four corners of the bottom surface of the moving block, a circular groove is formed in the upper side of the moving block, an annular trapezoid groove is formed in the bottom surface of the circular groove, a machine cavity is formed in the middle position of the bottom surface in the moving block, a motor is arranged in the machine cavity, a motor output shaft penetrates through the inner wall of the machine cavity, extends to the inside of the circular groove and is sleeved with a spring, a gear A is fixedly connected to the upper side of the spring, a key groove is formed in the middle of the gear A, the motor output end penetrates through the inside of the gear A, extends to the outside and is coaxially connected with a lead screw, a measuring lifting rod is in threaded connection with the upper end of the lead screw, a rolling main body is arranged on the bottom surface of the front side of the lifting rod, a measuring metal cone is fixedly connected to the lower side of the rolling main body through a rolling rope, a limiting column is arranged on the bottom surface of the rear side of the lifting rod, and a regulating rod is in sliding connection with a regulating rod, the utility model discloses a gear box, including regulation pole lower extreme, gear B, slider, control box, bolt lower extreme, control box, trapezoidal groove, gear B, control box upper surface front side threaded connection has the bolt, the bolt lower extreme passes control box surface and extends to inside and rotate and be connected with the briquetting, the inside pillar that has welded of control box is worn out to the briquetting front end, there is the stopper control box inside intermediate position through trapezoidal groove sliding connection.

Preferably, the annular trapezoidal groove is connected with the sliding block in a sliding mode.

Preferably, the key groove is in sliding connection with a flat key arranged on one side of the circumferential outer wall of the motor output shaft.

Preferably, the gear B is in meshed connection with an annular rack arranged on the inner wall of the circular groove, and the gear B is in meshed connection with the gear A.

Preferably, the compression leg is abutted against the surface of the gear A, the inclined plane at the rear end of the compression leg is tightly pressed with the inclined plane at the front side of the limiting block, and the rear end of the limiting block is in friction fit with the inner wall of the circular groove.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a pass inside extension to outside and coaxial coupling of gear A at the motor output end and have the lead screw, lead screw upper end threaded connection has the measurement lifter, lifter front side bottom surface is equipped with the rolling main part, rolling main part below is connected through the coiling rope and is fixed with the measurement metal awl, lifter rear side bottom surface is equipped with spacing post, the inside downside sliding connection of spacing post has the regulation pole, it has gear B to adjust the pole lower extreme, it passes gear B to extend to annular dovetail groove inside and has cup jointed the slider to adjust the pole lower extreme, closely cooperate between the structure, make the device can adjust according to the height of bridge, the effectual bridge that has avoided measuring co-altitude will change different dead levers and measure, waste time and energy, the condition of measuring efficiency has been reduced.

2. The utility model discloses a pass the machine intracavity wall at motor output shaft and extend to the circular slot inside and cup jointed the spring, spring upside fixedly connected with gear A, control box upper surface front side threaded connection has the bolt, the bolt lower extreme passes control box surface and extends to inside and rotate and be connected with the briquetting, the briquetting front end is worn out control box inside and is welded the compression leg, the inside intermediate position of control box has the stopper through dovetail groove sliding connection, bolt through rotation control box top, make it pass through gear B and gear A's meshing, can carry out the conversion of angle, it is required to have avoided leading to can not adapt to, or when blockking, need carry out the condition that changes through the position that changes the movable block, and form two point supports through adjusting the pole, thereby avoided the dead lever longer can make its unstability, the condition of skew error has.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view of the internal structure of the moving block of the present invention;

FIG. 3 is an expanded view of the internal structure of the control box of the present invention;

the reference numbers in the figures illustrate: 1. a moving block; 101. a circular groove; 102. an annular trapezoidal groove; 103. a machine cavity; 104. an annular rack; 2. a brake wheel; 3. a motor; 301. a spring; 302. a gear A; 303. a keyway; 304. a flat bond; 305. a screw rod; 4. a lifting rod; 401. rolling the main body; 402. a metal cone; 403. a limiting column; 5. adjusting a rod; 501. a gear B; 502. a slider; 6. a control box; 601. a bolt; 602. briquetting; 603. pressing the column; 604. and a limiting block.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution:

a measuring device for road and bridge construction comprises a moving block 1, brake wheels 2 are arranged at four corners of the bottom surface of the moving block 1, a circular groove 101 is formed in the upper side of the moving block 1, an annular trapezoidal groove 102 is formed in the bottom surface of the circular groove 101, a machine cavity 103 is formed in the middle position of the bottom surface in the moving block 1, a motor 3 is arranged in the machine cavity 103, an output shaft of the motor 3 penetrates through the inner wall of the machine cavity 103 and extends into the circular groove 101, a spring 301 is sleeved on the inner side of the circular groove, a gear A302 is fixedly connected to the upper side of the spring 301, a key groove 303 is formed in the middle of the gear A302, an output end of the motor 3 penetrates through the inner part of the gear A302 and extends to the outer part, a lead screw 305 is coaxially connected with a measuring lifting rod 4, a rolling main body 401 is arranged on the bottom surface of the front side of the lifting rod 4, a measuring metal cone 402 is fixedly connected to the lower side of the rolling main body 401 through a rolling rope, a limit column 403 is arranged on the bottom surface of the rear side of the lifting rod 4, and an adjusting rod 5 is slidably connected to the lower side of the limit column 403, adjust 5 lower extremes of pole and cup jointed gear B501, adjust 5 lower extremes of pole and pass gear B501 and extend to annular dovetail groove 102 inside and cup jointed slider 502, gear B501 surface one side has set firmly control box 6, control box 6 upper surface front side threaded connection has bolt 601, bolt 601 lower extreme passes control box 6 surface and extends to inside and rotate and be connected with briquetting 602, the inside and welding of control box 6 is worn out to briquetting 602 front end has compression leg 603, there is stopper 604 through dovetail groove sliding connection in the inside intermediate position of control box 6. Closely cooperate between the structure for the device can be adjusted according to the height of bridge, and the effectual bridge of having avoided measuring co-altitude not will be changed different dead levers and measure, wastes time and energy, has reduced the condition of measuring efficiency.

Specifically, the annular trapezoidal groove 102 is slidably connected to the slider 502. The adjustment lever 5 can be rotated only by the position limitation of the slider 502 in the annular trapezoidal groove 102.

Further, the key groove 303 is slidably connected with a flat key 304 arranged on one side of the circumferential outer wall of the output shaft of the motor 3. Due to the arrangement of the key groove 303, the gear a302 can move up and down without affecting the rotation thereof.

Still further, the gear B501 is engaged with the annular rack 104 provided on the inner wall of the circular groove 101, and the gear B501 is engaged with the gear a 302. The gear A302 drives the gear B501, and the adjusting rod 5 can rotate by matching with the annular rack 104.

Furthermore, the pressing column 603 abuts against the surface of the gear a302, the inclined plane at the rear end of the pressing column 603 is tightly pressed with the inclined plane at the front side of the limiting block 604, and the rear end of the limiting block 604 is in friction fit with the inner wall of the circular groove 101. The gear A302 is disengaged from the gear B501 through rotation 601, the inclined plane at the rear end of the pressing column 603 is tightly pressed with the inclined plane at the front side of the limiting block 604, the rear end of the limiting block 604 is limited through friction with the inner wall of the circular groove 101, at the moment, the screw rod 305 can only conduct self-transmission lifting, the adjusting rod 5 is limited, on the contrary, the gear A302 is engaged with the gear B501 through the elastic force of the spring 301, at the moment, the revolution changes the whole angle, and the lifting action is not conducted.

The working principle is as follows: when the measuring device for road and bridge construction is needed, firstly, according to the height of a bridge, the output shaft of the motor 3 rotates, the output shaft of the motor 3 passes through the inner wall of the machine cavity 103 and extends to the inside of the circular groove 101 and is sleeved with the gear A302, the output end of the motor 3 passes through the inside of the gear A302 and extends to the outside and is coaxially connected with the screw rod 305, the upper end of the screw rod 305 is in threaded connection with the measuring lifting rod 4, the bottom surface of the front side of the lifting rod 4 is provided with the rolling main body 401, the lower part of the rolling main body 401 is fixedly connected with the measuring metal cone 402 through the rolling rope, the bottom surface of the rear side of the lifting rod 4 is provided with the limiting column 403, the lower side of the inside of the limiting column 403 is in sliding connection with the adjusting rod 5, the lifting rod 4 is lifted through the limiting of the limiting column 403, when the angle needs to be converted, the inclined plane of the rear end of the pressing column 603 is in tight press fit with the inclined plane of the front side of the limiting block 604, and the rear end of the limiting block 604 is in friction fit with the inner wall of the circular groove 101, the adjusting rod 302 is separated from the meshing with the gear B501 by rotating the rotating body 601, the inclined plane at the rear end of the pressing column 603 is tightly pressed with the inclined plane at the front side of the limiting block 604, the rear end of the limiting block 604 is in friction limiting with the inner wall of the circular groove 101, at the moment, the screw rod 305 can only conduct self-transmission lifting, the adjusting rod 5 is limited, on the contrary, through the elastic force of the spring 301, the key groove 303 is in sliding connection with the flat key 304 arranged on one side of the circumferential outer wall of the output shaft of the motor 3, the gear A302 can move up and down due to the arrangement of the key groove 303, meanwhile, the rotation of the gear A302 is not influenced, the annular trapezoid groove 102 is in sliding connection with the sliding block 502, the adjusting rod 5 can conduct rotation action through the limitation of the sliding block 502 in the annular trapezoid groove 102, and can only conduct rotation, at the moment, the revolution changes the whole angle and does not conduct lifting action.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a measuring device is used in road bridge construction, includes movable block (1), its characterized in that: brake wheels (2) are arranged at four corners of the bottom surface of the moving block (1), a circular groove (101) is formed in the upper side of the moving block (1), an annular trapezoidal groove (102) is formed in the bottom surface of the circular groove (101), a machine cavity (103) is formed in the middle of the bottom surface of the inside of the moving block (1), a motor (3) is arranged in the machine cavity (103), an output shaft of the motor (3) penetrates through the inner wall of the machine cavity (103) and extends to the inside of the circular groove (101) and is sleeved with a spring (301), a gear A (302) is fixedly connected to the upper side of the spring (301), a key groove (303) is formed in the middle of the gear A (302), an output end of the motor (3) penetrates through the inside of the gear A (302) and extends to the outside and is coaxially connected with a lead screw (305), a measuring lifting rod (4) is connected to the upper end of the lead screw (305) in a threaded manner, and a winding main body (401) is arranged on the bottom surface of the front side of the lifting rod (4), a measuring metal cone (402) is fixedly connected below the rolling main body (401) through a rolling rope, a limiting column (403) is arranged on the bottom surface of the rear side of the lifting rod (4), an adjusting rod (5) is connected to the lower side inside the limiting column (403) in a sliding manner, the lower end of the adjusting rod (5) is sleeved with a gear B (501), the lower end of the adjusting rod (5) penetrates through the gear B (501) to extend into the annular trapezoidal groove (102) and is sleeved with a sliding block (502), a control box (6) is fixedly arranged on one side of the surface of the gear B (501), a bolt (601) is connected with the front side of the upper surface of the control box (6) in a threaded manner, the lower end of the bolt (601) passes through the surface of the control box (6) to extend to the inside and is rotationally connected with a pressing block (602), the front end of the pressing block (602) penetrates out of the control box (6) and is welded with a pressing column (603), the middle position in the control box (6) is connected with a limiting block (604) through a trapezoidal groove in a sliding mode.

2. The measuring device for road and bridge construction according to claim 1, wherein: the annular trapezoid-shaped groove (102) is connected with the sliding block (502) in a sliding mode.

3. The measuring device for road and bridge construction according to claim 1, wherein: the key groove (303) is in sliding connection with a flat key (304) arranged on one side of the circumferential outer wall of the output shaft of the motor (3).

4. The measuring device for road and bridge construction according to claim 1, wherein: the gear B (501) is meshed with the annular rack (104) arranged on the inner wall of the circular groove (101), and the gear B (501) is meshed with the gear A (302).

5. The measuring device for road and bridge construction according to claim 1, wherein: the pressing column (603) is abutted against the surface of the gear A (302), the inclined plane at the rear end of the pressing column (603) is tightly pressed with the inclined plane at the front side of the limiting block (604), and the rear end of the limiting block (604) is in friction fit with the inner wall of the circular groove (101).