Bridge construction flatness detection device

Abstract

The utility model discloses a bridge construction flatness detection device, which relates to flatness detection and comprises a cross beam, two ends of the cross beam are respectively provided with an extension portion in a sliding mode. A guide wheel is assembled at the first end of the stand column, a special-shaped rod is rotationally arranged on the extending part, a waist groove is formed in the special-shaped rod, and a shaft rod, close to the side wall of the second end, of the stand column slides in the waist groove; a connecting rod piece rotationally connected with the stand column is rotationally arranged on the side wall, close to the end, of the extending part. And the upright post and the extension part are switched between a vertical state and a horizontal state back and forth. The length formed by the cross beam and the extending part can be changed through the extending part, the stand column can be in a vertical state or a horizontal state with the extending part by turning over the stand column, and daily storage and carrying requirements are met conveniently.

Description

Technical Field

[0001] The utility model relates to flatness detection, in particular to a bridge construction flatness detection device. Background Art

[0002] After the bridge construction is completed, the flatness of the bridge deck needs to be tested to ensure that the bridge deck is flat. Commonly used instruments include road surface flatness meters, road surface continuous eight-wheel flatness meters, etc.

[0003] Reference publication (announcement) number: CN208219371U, publication (announcement) date: 2018-12-11, a continuous road surface eight-wheel flatness meter is disclosed, and the technical solution key points are: including a frame, a front axle and a rear axle are provided on both sides of the frame, four wheels are installed below the front axle and the rear axle respectively, a probe is provided on the frame close to the rear axle, and a test wheel for detecting the flatness of the road surface is provided below the probe, support frames are provided on both sides of the test wheel, and a motor is provided on the frame close to the probe, the output shaft of the motor is vertically downwardly arranged and connected with a screw rod, the screw rod passes through and is threadedly connected to the end of the support frame away from the test wheel, and a limit mechanism for limiting the support frame along the circumferential movement of the screw rod is provided on the frame; this eight-wheel flatness meter accelerates the speed of lifting and lowering the test wheel by screw rod transmission, thereby improving work efficiency; and through a displacement switch device, in the process of the screw rod driving the test wheel to move to the ground, the time for the test wheel to reach the ground can be timely and accurately controlled, which is conducive to improving the accuracy of the test wheel in detecting the road surface flatness.

[0004] In the prior art including the above patents, the detection of bridge deck flatness is mature, which requires manpower or vehicle to drive the road surface flatness meter to move on the bridge deck for detection. However, the above continuous road surface flatness meter is an integral fixed type, which is inconvenient for subsequent storage and transportation. Utility Model Content

[0005] The utility model aims to provide a bridge construction flatness detection device to solve the above-mentioned problem.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A bridge construction flatness detection device comprises a crossbeam, and both ends of the crossbeam are slidably provided with extension parts;

[0008] It also includes a column with a guide wheel mounted on the first end, a special-shaped rod rotatably arranged on the extension portion, a waist groove is opened on the special-shaped rod, and a shaft rod on the side wall of the column close to the second end is located in the waist groove and slides;

[0009] A connecting rod is rotatably provided on the side wall of the extension portion close to the end portion and is rotatably connected to the column;

[0010] The upright column and the extension portion switch back and forth between a vertical state and a horizontal state.

[0011] Preferably, it also includes a threaded handle member which is threadedly connected to the extension portion and is coaxial with the connection between the column and the special-shaped rod, and the threaded handle member is used to lock the special-shaped rod with negative pressure.

[0012] Preferably, the special-shaped rod comprises a first rod body where the waist groove is located and a second rod body connected to the extension portion, and the angle between the first rod body and the second rod body is an obtuse angle;

[0013] And in a horizontal state, the obtuse angle abuts against the end of the connecting rod to limit the position.

[0014] Preferably, a winding wheel which rotates synchronously with the second rod body is arranged in the extension part, and the winding wheel is connected to a circular gear which is rotatably arranged on the extension part through a pulling wire;

[0015] A toothed plate meshing with the circular gear is arranged on the crossbeam.

[0016] Preferably, the circular gear is provided with a torsion spring with one end fixed to the extension portion.

[0017] As a preferred embodiment, it further comprises a main body and a traction part slidably connected to the main body, and the two cross beams are symmetrical on the main body and the traction part;

[0018] The upright column and the traction part are arranged opposite to each other in a horizontal state.

[0019] Preferably, gyroscope sensors are installed on both the main body and the traction part.

[0020] Preferably, a boring is provided at the first end of the column, and a blocking spring is arranged in the boring, and the guide wheel slides in the boring and is connected to the blocking spring.

[0021] In the above technical scheme, a bridge construction flatness detection device provided by the utility model has the following beneficial effects: the length formed by the crossbeam and the extension part can be changed by the extension part, and the column can be in two states: vertical and horizontal with the extension part by flipping the column. When it is in the vertical state, it can be located on the ground for walking, and in the horizontal state, it can be stored, thereby reducing the width of the bridge construction flatness detection device, which is convenient for stacking. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0023] Figure 1 A schematic diagram of a structure in a vertical state provided by an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of a structure in a horizontal state provided by an embodiment of the utility model;

[0025] Figure 3 A schematic cross-sectional structure diagram provided for an embodiment of the utility model.

[0026] Description of reference numerals:

[0027] 1. Crossbeam; 11. Tooth plate; 2. Extension part; 21. Winding wheel; 22. Circular gear; 3. Guide wheel; 4. Column; 41. Resistance spring; 42. Elastic clamp; 5. Special-shaped rod; 51. Waist groove; 6. Connecting rod; 7. Threaded handle; 8. Torsion spring; 100. Main body; 101. Traction part; 300. Gyroscope sensor. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] like Figure 1-3 As shown, a bridge construction flatness detection device comprises a crossbeam 1, and two ends of the crossbeam 1 are slidably provided with extension parts 2;

[0030] It also includes a column 4 with a guide wheel 3 mounted on the first end, a special-shaped rod 5 is rotatably arranged on the extension part 2, a waist groove 51 is opened on the special-shaped rod 5, and a shaft on the side wall of the column 4 close to the second end is located in the waist groove 51 and slides;

[0031] A connecting rod 6 rotatably connected to the column 4 is rotatably provided on the side wall of the extension portion 2 near the end;

[0032] The column 4 and the extension part 2 are in a vertical state. Figure 1 and horizontal state, Figure 2 Switch back and forth between.

[0033] Specifically, in the above embodiment, the bridge construction flatness detection device also includes a threaded handle 7 that is threadedly connected to the extension portion 2 and is coaxial with the connection between the column 4 and the special-shaped rod 5. The threaded handle 7 is rotated to lock the special-shaped rod 5 that has completed the switching between the vertical state and the horizontal state.

[0034] In the above technology, the length of the beam 1 and the extension part 2 can be changed by the extension part 2, and the column 4 can be flipped so that the column 4 can be in two states: vertical and horizontal with the extension part 2. When it is in the vertical state, it can be walked on the ground, and when it is in the horizontal state, it can be stored, thereby reducing the width of the bridge construction flatness detection device, which is convenient for stacking.

[0035] As an embodiment further provided by the present invention, the special-shaped rod 5 includes a first rod body where the waist groove 51 is located and a second rod body connected to the extension portion 2, and the angle between the first rod body and the second rod body is an obtuse angle;

[0036] And in the horizontal state, the obtuse angle abuts against the end of the connecting rod 6 to limit the position.

[0037] Specifically, elastic clips 42 are symmetrically arranged at both ends of the waist groove 51. Figure 1 It is knowable.

[0038] As another embodiment further provided by the utility model, a winding wheel 21 which rotates synchronously with the second rod body is arranged in the extension part 2, and the winding wheel 21 is connected to the circular gear 22 which is rotatably arranged on the extension part 2 by a pulling wire;

[0039] A toothed plate 11 meshing with the circular gear 22 is provided on the crossbeam 1 .

[0040] Furthermore, a torsion spring 8 with one end fixed to the extension portion 2 is provided on the circular gear 22 .

[0041] Specifically, in the embodiment, the pulling wire is respectively wrapped around the winding wheel 21 and the circular gear 22. When the column 4 switches from a vertical state to a horizontal state, the winding wheel 21 starts to reel in the wire, and the circular gear 22 is driven to rotate, so that the extension part 2 slides toward the inside of the beam 1, thereby changing the length of the beam 1 and the extension part 2.

[0042] When the column 4 switches from a horizontal state to a vertical state, the winding wheel 21 starts to release the line, and the circular gear 22 is driven to rotate under the action of the torsion spring 8, so that the circular gear 22 starts to reel in the line and the extension part 2 extends out of the beam 1.

[0043] As another embodiment further provided by the utility model, it also includes a main body 100 and a traction part 101 slidably connected to the main body 100, and two cross beams 1 are symmetrically arranged on the main body 100 and the traction part 101;

[0044] The upright column 4 in a horizontal state is arranged opposite to the traction portion 101 .

[0045] Furthermore, a bore is formed at the first end of the column 4 , and a blocking spring 41 is disposed in the bore. The guide wheel 3 slides in the bore and is connected to the blocking spring 41 .

[0046] As another embodiment further provided by the present invention, a gyro sensor 300 is installed on both the main body 100 and the traction part 101 .

[0047] Specifically, the gyro sensor 300 is used to detect the inclination of the main body 100, thereby determining whether the bridge surface is flat.

[0048] The above-mentioned detection procedures, power supply methods and electronic components are all common technical knowledge known to those skilled in the art, and therefore are not described in detail.

[0049] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A bridge construction flatness detection device, characterized in that: It comprises a crossbeam (1), and two ends of the crossbeam (1) are respectively slidably provided with extension parts (2); It also comprises a column (4) with a guide wheel (3) mounted on the first end, a special-shaped rod (5) rotatably arranged on the extension portion (2), a waist groove (51) is provided on the special-shaped rod (5), and a shaft rod on the side wall of the column (4) close to the second end is located in the waist groove (51) and slides; A connecting rod (6) rotatably connected to the column (4) is rotatably provided on the side wall of the extension portion (2) near the end; The upright post (4) and the extension portion (2) switch back and forth between a vertical state and a horizontal state.

2. A bridge construction flatness detection device according to claim 1, characterized in that: It also comprises a threaded handle member (7) which is threadedly connected to the extension portion (2) and is coaxial with the connection between the column (4) and the special-shaped rod (5), and the threaded handle member (7) is used to lock the special-shaped rod (5) by negative pressure.

3. A bridge construction flatness detection device according to claim 1, characterized in that: The special-shaped rod (5) comprises a first rod body where the waist groove (51) is located and a second rod body connected to the extension portion (2), and the angle between the first rod body and the second rod body is an obtuse angle; Furthermore, when in a horizontal state, the obtuse angle abuts against the end of the connecting rod (6) to limit the position.

4. A bridge construction flatness detection device according to claim 3, characterized in that: A winding wheel (21) is arranged in the extension part (2) and rotates synchronously with the second rod body, and the winding wheel (21) is connected to a circular gear (22) rotatably arranged on the extension part (2) via a pulling wire; The crossbeam (1) is provided with a toothed plate (11) meshing with the circular gear (22).

5. A bridge construction flatness detection device according to claim 4, characterized in that: The circular gear (22) is provided with a torsion spring (8) with one end fixed on the extension portion (2).

6. A bridge construction flatness detection device according to claim 1, characterized in that: It also comprises a main body (100) and a traction part (101) slidably connected to the main body (100), and the two cross beams (1) are symmetrically arranged on the main body (100) and the traction part (101); The upright column (4) and the traction portion (101) are arranged relative to each other in a horizontal state.

7. A bridge construction flatness detection device according to claim 6, characterized in that: The main body (100) and the traction part (101) are both equipped with a gyro sensor (300).

8. A bridge construction flatness detection device according to claim 1, characterized in that: A boring is provided at the first end of the column (4), and a blocking spring (41) is arranged in the boring. The guide wheel (3) slides in the boring and is connected to the blocking spring (41).

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