Device for measuring camber of precast beam

Abstract

The utility model provides a device for measuring the camber of a precast beam, which comprises a base, a driving mechanism and a bridge assembly, the driving mechanism longitudinally slides at the top of the base, the bridge assembly is positioned at one end of the base, and a measuring assembly for measuring the camber is further arranged in the driving mechanism; the measuring assembly comprises a conveying assembly driving a measuring plate to slide transversely, the measuring plate is fixed to the top of the conveying assembly, a rotating plate is rotationally arranged at the top of the measuring plate, a plurality of oppositely-distributed springs and two telescopic plates are fixed to the top of the measuring plate, and the oppositely-distributed springs are located between the two telescopic plates. The springs and the two ends of the two telescopic plates are connected with the top of the rotating plate and the bottom of the measuring plate respectively, scales used for measuring the camber are formed in the surfaces of the two telescopic plates, and the measuring device for the camber of the precast beam does not need to be measured through a steel ruler, is more convenient to measure and is higher in adaptability.

Description

Technical Field

[0001] The utility model relates to the field of measuring the camber of a prefabricated beam, in particular to a device for measuring the camber of a prefabricated beam. Background Art

[0002] Camber measurement of precast beams is an important process to ensure the safety and performance of bridges and other structures. It involves measuring the degree of upward bending of the beam due to the force after the prestressing force is applied, and the camber measurement of the precast beam is mainly measured at the center of the precast beam.

[0003] The existing method for measuring the camber of prefabricated beams is to use a steel ruler to measure the height of the middle position of the beam body. The measuring method is as follows: before tensioning, the height of the middle position of the beam body is measured with a steel ruler; after tensioning, the height of the same position of the beam body is measured with a steel ruler, and the difference between the two measured values ​​is the camber of the beam body;

[0004] However, the existing measurement methods have large measurement errors and are relatively cumbersome. That is, during measurement, due to manual measurement, the positions of the two measurements may be wrong, resulting in large errors in the measurement results, and it is necessary to manually observe with the naked eye whether the measured position is the center of the precast beam, which causes inconvenience in actual use.

[0005] Therefore, it is necessary to provide a new device for measuring the camber of prefabricated beams to solve the above technical problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a device for measuring the camber of a prefabricated beam.

[0007] The device for measuring the camber of a prefabricated beam provided by the utility model comprises: a base, a driving mechanism longitudinally sliding on the top of the base, and a bridge component, wherein the bridge component is located at one end of the base, and a measuring component for measuring the camber is also provided in the driving mechanism;

[0008] The measuring assembly includes a conveying assembly that drives a measuring plate to slide horizontally. The measuring plate is fixed on the top of the conveying assembly. A rotating plate is rotatably provided on the top of the measuring plate. A plurality of relatively distributed springs and two telescopic plates are fixed on the top of the measuring plate. The plurality of relatively distributed springs are located between the two telescopic plates, and the two ends of the plurality of springs and the two telescopic plates are respectively connected to the top of the rotating plate and the bottom of the measuring plate. Scales for measuring the starting degree are provided on the surfaces of the two telescopic plates.

[0009] Preferably, a rotating column is fixed to one end of the measuring plate close to the bridge assembly, the rotating plate rotates on the surface of the measuring plate through the rotating column, and the top of the rotating plate is arc-shaped.

[0010] Preferably, the driving mechanism includes a motor 1, a screw and a slider, the slider is threadedly connected to the surface of the screw, a mounting plate is fixed to one side of the base, the motor 1 is fixed to the top of the mounting plate, a slide groove is provided on the top of the base, the screw rotates in the slide groove, and the rotor of the motor 1 passes through one side of the base and is connected to one end of the screw.

[0011] Preferably, the transmission assembly includes an operating plate, a second motor, a gear and a rack meshing with the gear, the operating plate is fixed on the top of the slider, a straight groove and a limit groove are provided on the surface of the operating plate, the straight groove is located on one side of the limit groove, and the straight groove is communicated with the limit groove, the second motor is fixed on the inner wall of the straight groove, the gear is connected to the rotor of the second motor, a movable plate is slid on the surface of the limit groove, the rack is fixed on the bottom of the movable plate, and the measuring plate is fixed on one end of the movable plate.

[0012] Preferably, the bridge assembly comprises a bridge base and an arch, wherein the arch is located at the bottom of the bridge base, and the bottom of the arch is in a horizontal position with the top of the measuring plate.

[0013] Preferably, the bottom of the rack meshes with the top of the gear.

[0014] Preferably, a plurality of relatively distributed pulleys are fixed to the bottom of the sliding block, and the plurality of pulleys slide on the bottom wall of the sliding groove.

[0015] By setting up a driving mechanism, the driving mechanism can detect the starting height of the center of the precast beam without visual observation, and by setting up a transmission component, under the drive of the transmission component, the rotating plate in the measuring component moves toward the center of the arch. When it reaches the center of the bridge component, under the transmission of the transmission component, the bridge component will squeeze the top of the rotating plate, drive a number of springs and telescopic plates to expand and contract, and the starting height of the precast beam can be obtained by observing the scale on the surface of the telescopic plate. There is no need to measure with a steel ruler, the measurement is more convenient and the applicability is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the overall structure of the device for measuring the camber of a prefabricated beam provided by the utility model;

[0017] Figure 2 is a schematic diagram of the structure of the transmission component;

[0018] Figure 3 It is a partial structural schematic diagram of the moving plate;

[0019] Figure 4 A schematic diagram of the overall cross-sectional structure of the device for measuring the camber of a prefabricated beam provided by the utility model;

[0020] Figure 5 Schematic diagram of the measurement component.

[0021] Numbers in the figure: 1. Base; 11. Mounting plate; 111. Motor 1; 12. Slide; 121. Screw rod; 122. Slider; 123. Pulley; 13. Operating panel; 131. Straight slot; 132. Motor 2; 133. Gear; 134. Limiting slot; 14. Moving plate; 15. Rack; 2. Measuring plate; 21. Rotating column; 22. Rotating plate; 23. Spring; 24. Telescopic plate; 25. Scale; 3. Bridge base; 31. Arch. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] In the specific implementation process, Figures 1 to 5 As shown, it includes a base 1, a driving mechanism that slides longitudinally on the top of the base 1, and a bridge component, the bridge component is located at one end of the base 1, and a measuring component for measuring the camber is also provided in the driving mechanism;

[0024] The measuring assembly includes a laterally sliding transmission assembly and a measuring plate 2 fixed at one end of the transmission assembly, a rotating plate 22 is rotatably provided on the top of the measuring plate 2, a plurality of relatively distributed springs 23 and two telescopic plates 24 are fixed on the top of the measuring plate 2, the plurality of relatively distributed springs 23 are located between the two telescopic plates 24, and the two ends of the plurality of springs 23 and the two telescopic plates 24 are respectively connected to the top of the rotating plate 22 and the bottom of the measuring plate 2, and the surfaces of the two telescopic plates 24 are provided with scales 25 for measuring the starting degree;

[0025] Specifically, the driving mechanism drives the measuring assembly to move longitudinally, and the measuring assembly mainly measures the camber of the precast beam;

[0026] Furthermore, the establishment of the conveying component within the measuring component drives the measuring plate 2 to move laterally and approach the bridge component, so as to measure the arch degree of the precast beam. When the measuring plate 2 approaches the bridge component, the rotating plate 22 on the top of the measuring plate 2 is squeezed against the bridge component. At this time, the spring 23 and the telescopic plate 24 between the measuring plate and the rotating plate 22 are telescoped, driving the rotating plate 22 to telescope. During the telescoping, the scale on the surface of the telescopic plate 24 changes. By reading the scale on the surface of the telescopic plate 24, the arch degree of the precast beam after stretching can be obtained for comparison.

[0027] refer to Figure 1 and Figure 4 As shown, a rotating column 21 is fixed to one end of the measuring plate 2 close to the bridge assembly, and a rotating plate 22 rotates on the surface of the measuring plate 2 through the rotating column 21, and the top of the rotating plate 22 is arc-shaped, wherein the rotating plate 22 is in a horizontal state;

[0028] Specifically, the rotating plate 22 rotates on the surface of the measuring plate 2 through the rotating column 21, and the arc-shaped surface of the rotating plate 22 can facilitate the rotating plate 22 to expand and contract when the rotating plate 22 contacts the bridge component;

[0029] The driving mechanism includes a motor 111, a screw rod 121 and a slider 122. The slider 122 is connected to the surface of the screw rod 121 by threads. A mounting plate 11 is fixed to one side of the base 1. The motor 111 is fixed to the top of the mounting plate 11. A slide groove 12 is provided on the top of the base 1. The screw rod 121 rotates in the slide groove 12. The rotor of the motor 111 passes through one side of the base 1 and is connected to one end of the screw rod 121. Both ends of the slider 122 are limited in the slide groove 12, so that when the slider 122 slides, the slider 122 will not rotate with the rotation of the screw rod 121.

[0030] Specifically, the motor 111 drives the screw rod 121 to rotate, thereby driving the slider 122 to slide in the slide groove 12;

[0031] A plurality of relatively distributed pulleys 123 are fixed to the bottom of the slide block 122, and the plurality of pulleys 23 slide on the bottom wall of the slide groove 12;

[0032] Specifically, the provision of the pulley 123 can facilitate the sliding block 122 to slide in the sliding groove 12 .

[0033] refer to Figures 2 to 5 As shown, a transmission assembly is fixed on the top of the slider 122, and the transmission assembly includes an operating plate 13, a second motor 132, a gear 133, and a rack 15 meshing with the gear 133. The operating plate 13 is fixed on the top of the slider 122. A straight groove 131 and a limit groove 134 are opened on the surface of the operating plate 13. The straight groove 131 is located on one side of the limit groove 134, and the straight groove 131 is communicated with the limit groove 134. The second motor 132 is fixed on the inner side wall of the straight groove 131. The gear 133 is connected to the rotor of the second motor 132. A moving plate 14 slides on the surface of the limit groove 134. The rack 15 is fixed on the bottom of the moving plate 14, and the measuring plate 2 is fixed on one end of the moving plate 14.

[0034] The bottom of the rack 15 meshes with the top of the gear 133;

[0035] Specifically, the slider 122 drives the conveying assembly to move longitudinally. In addition, the rotation of the motor 2 132 in the conveying assembly drives the gear 133 to rotate. The rotation of the gear 133 drives the rack 15 at the bottom of the moving plate 14 to move, thereby driving the moving plate 14 to move.

[0036] Furthermore, a baffle is fixed to one end of the movable plate 14 away from the bridge assembly, and the establishment of the baffle can prevent the movable plate 14 from being separated from the limiting groove 134;

[0037] The bridge assembly includes a bridge base 3 and an arch 31, wherein the arch 31 is located at the bottom of the bridge base 3, and the bottom of the arch 31 is in a horizontal position with the top of the measuring plate 2;

[0038] Furthermore, the bottom of the arch 31 is in a horizontal position with the top of the measuring plate 2, which facilitates the measuring component to measure the height of the arch 31 and reduces the error during measurement.

[0039] The working principle provided by the utility model is as follows: when in use, start motor 111 to drive the measuring plate 2 to move to the center of the bridge base 3, and then drive motor 2 132. When motor 2 132 is started, the moving plate 14 is driven to move horizontally. When the rotating plate 22 at the top of the moving plate 14 contacts the top wall of the supply 31, the moving plate 14 continues to be driven to move toward the bridge base 3. When the top wall of the supply 31 contacts the horizontal end of the top of the rotating plate 22, stop driving motor 2 132 and read the value of the scale 25 on the surface of the telescopic plate 24.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A device for measuring the camber of a prefabricated beam, characterized in that: It comprises a base (1), a driving mechanism that slides longitudinally on the top of the base (1), and a bridge component, wherein the bridge component is located at one end of the base (1), and a measuring component for measuring the camber is also provided in the driving mechanism; The measuring assembly comprises a transmission assembly that drives a measuring plate (2) to slide horizontally, the measuring plate (2) being fixed on the top of the transmission assembly, a rotating plate (22) being rotatable on the top of the measuring plate (2), a plurality of relatively distributed springs (23) and two telescopic plates (24) being fixed on the top of the measuring plate (2), the plurality of relatively distributed springs (23) being located between the two telescopic plates (24), and the two ends of the plurality of springs (23) and the two telescopic plates (24) being respectively connected to the top of the rotating plate (22) and the bottom of the measuring plate (2), and scales (25) for measuring the starting degree are provided on the surfaces of the two telescopic plates (24).

2. The device for measuring the camber of a precast beam according to claim 1, characterized in that: A rotating column (21) is fixed to one end of the measuring plate (2) close to the bridge assembly, and the rotating plate (22) rotates on the surface of the measuring plate (2) via the rotating column (21), and the top of the rotating plate (22) is arc-shaped.

3. The device for measuring the camber of a precast beam according to claim 2, characterized in that: The driving mechanism comprises a motor 1 (111), a screw rod (121) and a slider (122), wherein the slider (122) is connected to the surface of the screw rod (121) by threads, a mounting plate (11) is fixed to one side of the base (1), the motor 1 (111) is fixed to the top of the mounting plate (11), a slide groove (12) is provided on the top of the base (1), the screw rod (121) rotates in the slide groove (12), and a rotor of the motor 1 (111) passes through one side of the base (1) and is connected to one end of the screw rod (121).

4. The device for measuring the camber of a precast beam according to claim 3, characterized in that: The transmission assembly comprises an operating plate (13), a second motor (132), a gear (133), and a rack (15) meshing with the gear (133); the operating plate (13) is fixed to the top of the slider (122); a straight groove (131) and a limit groove (134) are provided on the surface of the operating plate (13); the straight groove (131) is located on one side of the limit groove (134), and the straight groove (131) is communicated with the limit groove (134); the second motor (132) is fixed to the inner side wall of the straight groove (131); the gear (133) is connected to the rotor of the second motor (132); a moving plate (14) slides on the surface of the limit groove (134); the rack (15) is fixed to the bottom of the moving plate (14); and the measuring plate (2) is fixed to one end of the moving plate (14).

5. The device for measuring the camber of a precast beam according to claim 4, characterized in that: The bridge assembly comprises a bridge base (3) and an arch (31), wherein the arch (31) is located at the bottom of the bridge base (3), and the bottom of the arch (31) is in a horizontal position with the top of the measuring plate (2).

6. The device for measuring the camber of a precast beam according to claim 5, characterized in that: The bottom of the rack (15) is meshed with the top of the gear (133).

7. The device for measuring the camber of a precast beam according to claim 6, characterized in that: A plurality of relatively distributed pulleys (123) are fixed to the bottom of the sliding block (122), and the plurality of pulleys (123) slide on the bottom wall of the sliding groove (12).

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