Highway bridge bearing capacity detection device

Abstract

The utility model discloses a highway bridge bearing capacity detection device which comprises a bearing plate, the top of the bearing plate is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with an air cylinder, and the driving end of the air cylinder is fixedly connected with a pressing plate. The driving end of the air cylinder drives the pressing plate to move downwards so as to drive the pressing strip to move downwards, after the pressing strip makes contact with the sample, the pressing plate moves downwards to drive the rolling wheels to move downwards, the springs deform till the rolling wheels make contact with the surface of the sample, and then the connecting column is started, and the driving end of the connecting column drives the mounting frame to move so as to make the rolling wheels walk on the sample. The extrusion force applied to the rollers is adjusted through the air cylinders to simulate traveling of vehicles with different loads on the road surface, then the bearing capacity is detected, and the pressing strips can press a sample to avoid inaccurate detection caused by movement of the sample when the rollers travel on the sample.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of highway bridge construction, especially relates to a highway bridge bearing capacity detection device. BACKGROUND

[0002] When constructing, most of the highways and bridges are formed by pouring concrete reinforcement, and after the construction is completed, the construction department will give the corresponding load limit standard according to the actual situation of the construction, so as to guarantee the safety of the road or the bridge, and the load capacity of the road is largely determined by the structural strength of the construction, so when detecting the bearing capacity, the strength of the pouring structure after construction is generally detected.

[0003] The application is improved on the basis of the prior art, in the prior art, the existing detection device for testing the bearing capacity by simulating the walking of vehicles on the road surface by using rollers is fixedly installed with the rollers and the test structure, which is not convenient to disassemble and replace when the roller is damaged. UTILITY MODEL CONTENTS

[0004] The utility model discloses a highway bridge bearing capacity detection device.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A highway bridge bearing capacity detection device, including the bearing plate, the top of bearing plate is fixedly connected with the fixed frame, the top of fixed frame is fixedly connected with the pneumatic cylinder, the drive end of pneumatic cylinder is fixedly connected with the pressing plate, the bottom of pressing plate is fixedly connected with the vertical board that is distributed symmetrically, two groups vertical board are fixedly connected with the guide rod that is distributed symmetrically between two, the installation frame is slidably connected between two guide rods, the installation frame is equipped with the roller, the both ends of roller are fixedly connected with the connecting column, the end away from the roller of connecting column is rotatably connected with the mounting block, the inner wall of installation frame is opened with the positioning slot that is distributed symmetrically, and positioning slot is matched with mounting block, the bottom inner wall of positioning slot is fixedly connected with the positioning column, the outer wall of the one end of positioning column that stretches into mounting block is threadedly connected with the threaded sleeve, and threaded sleeve is threadedly connected with mounting block.

[0007] As a further scheme of the utility model: the bottom of mounting block is opened with the installation slot, and the installation slot is matched with the positioning column, and the top of positioning column is a threaded structure.

[0008] As a further scheme of the utility model: the bottom of the vertical plate is slidably connected with symmetrically distributed movable columns, one end of the movable column extending out of the bottom of the vertical plate is fixedly connected with a pressing strip, a spring is sleeved outside the movable column, one end of the spring is fixedly connected with the vertical plate, and the other end of the spring is fixedly connected with the pressing strip.

[0009] As a further scheme of the utility model: the mounting block is fixedly connected with a fixed column on the side close to the connecting column, a groove is formed in the connecting column, and the groove is matched with the fixed column.

[0010] As a further scheme of the utility model: one of the vertical plates is fixedly connected with a connecting column, and the driving end of the connecting column is fixedly connected with the mounting frame.

[0011] The utility model has the advantages of the following beneficial effects:

[0012] 1、the utility model discloses, when installing, push the gyro wheel to make the mounting block enter the positioning groove, and the positioning column enters the installation groove, when the top of the positioning column reaches the slot of the threaded sleeve, rotates the threaded sleeve to make the positioning column enter the threaded sleeve, can install and fix the mounting block, and then install and fix the gyro wheel, convenient to install and detach, convenient to replace.

[0013] 2、the utility model discloses, when testing, the test road surface pouring sample is placed on the top of the bearing plate, starts the pneumatic cylinder, and the driving end of the pneumatic cylinder drives the pressing plate to move down and in turn drives the pressing strip to move down, after the pressing strip contacts the sample, the pressing plate moves down and drives the gyro wheel to move down, and the spring deforms, until the gyro wheel contacts the sample surface, then, the connecting column is started, and the driving end of the connecting column drives the mounting frame to move and in turn makes the gyro wheel walk on the sample, the extrusion force applied to the gyro wheel is adjusted through the pneumatic cylinder to simulate the walking of vehicles with different loads on the road surface, and in turn, the bearing capacity is detected, and the pressing strip can compact the sample to avoid that the sample moves and causes inaccurate detection when the gyro wheel walks on the sample. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a kind of bearing capacity detection device of highway bridge structure schematic diagram for the utility model;

[0015] Figure 2 The utility model provides a kind of mounting frame installation schematic diagram of bearing capacity detection device of highway bridge for the utility model;

[0016] Figure 3 The utility model provides a kind of mounting block installation schematic diagram of bearing capacity detection device of highway bridge for the utility model;

[0017] Figure 4 The utility model provides a kind of pressing strip installation schematic diagram of bearing capacity detection device of highway bridge.

[0018] Legend:

[0019] The bearing plate 1, the fixed frame 2, the air cylinder 3, the pressing plate 4, the vertical plate 5, the pressing strip 6, the movable column 7, the spring 8, the guide rod 9, the mounting frame 10, the roller 11, the connecting column 12, the fixed column 13, the mounting block 14, the positioning groove 15, the positioning column 16, the mounting groove 17, and the threaded sleeve 18. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", and "connection" should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication between two elements inside. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0022] Reference Figures 1-4The utility model provides a highway bridge bearing capacity detection device, including bearing plate 1, the top fixedly connected with fixed frame 2 of bearing plate 1, the top fixedly connected with cylinder 3 of fixed frame 2, the drive end fixedly connected with pressing plate 4 of cylinder 3, the bottom fixedly connected with the vertical board 5 of symmetrical distribution of pressing plate 4, fixedly connected with the guide rod 9 of symmetrical distribution between two groups vertical board 5, the sliding connection with installation frame 10 between two guide rods 9, be equipped with gyro wheel 11 in installation frame 10, both ends fixedly connected with connecting column 12 of gyro wheel 11, the one end rotationally connected with mounting block 14 of connecting column 12 away from gyro wheel 11, the inner wall of installation frame 10 is set up with the positioning slot 15 of symmetrical distribution, and positioning slot 15 is adapted with mounting block 14, the bottom inner wall fixedly connected with the positioning column 16 of positioning slot 15, the one end outer wall screw thread connection with screw sleeve 18 of the positioning column 16 into mounting block 14, and screw sleeve 18 is screwed with mounting block 14.

[0023] The bottom of mounting block 14 is provided with mounting groove 17, and the mounting groove 17 is matched with the positioning column 16, and the top of the positioning column 16 is a threaded structure.

[0024] The bottom of the vertical plate 5 is slidably connected with the symmetrically distributed movable column 7, the movable column 7 is fixedly connected with the pressing strip 6 at the end extending out of the bottom of the vertical plate 5, the spring 8 is sleeved outside the movable column 7, one end of the spring 8 is fixedly connected with the vertical plate 5, and the other end of the spring 8 is fixedly connected with the pressing strip 6.

[0025] The side of the mounting block 14 close to the connecting column 12 is fixedly connected with the fixed column 13, the recess is formed in the connecting column 12, and the recess is matched with the fixed column 13.

[0026] One of the vertical plates 5 is fixedly connected with the connecting column 12, and the drive end of the connecting column 12 is fixedly connected with the installation frame 10,

[0027] Working principle:

[0028] In the application, when installing, the gyro wheel 11 is pushed to make the mounting block 14 enter the positioning slot 15, and the positioning column 16 enters the mounting groove 17, when the top of the positioning column 16 reaches the slot of the screw sleeve 18, the screw sleeve 18 is rotated to make the positioning column 16 enter the screw sleeve 18, so that the mounting block 14 can be installed and fixed, and the gyro wheel 11 can be installed and fixed, which is convenient for installation and disassembly and replacement.

[0029] In the application, when testing, the test pavement pouring sample is placed on the top of the bearing plate 1, the air cylinder 3 is started, the driving end of the air cylinder 3 drives the pressing plate 4 to move downwards and in turn drives the pressing strip 6 to move downwards, after the pressing strip 6 contacts the sample, the pressing plate 4 moves downwards to drive the roller 11 to move downwards, the spring 8 deforms, until the roller 11 contacts the surface of the sample, then the connecting column 12 is started, the driving end of the connecting column 12 drives the mounting frame 10 to move and in turn makes the roller 11 walk on the sample, the extrusion force applied to the roller 11 is adjusted by the air cylinder 3 to simulate the walking of vehicles with different loads on the pavement, and in turn the bearing capacity detection is carried out, the pressing strip 6 can compact the sample to avoid that the sample moves to cause inaccurate detection when the roller 11 walks on the sample.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A highway bridge carrying capacity detection device, comprising a carrying plate (1), characterized in that: The top of the bearing plate (1) is fixedly connected with a fixing frame (2), the top of the fixing frame (2) is fixedly connected with a pneumatic cylinder (3), the driving end of the pneumatic cylinder (3) is fixedly connected with a pressing plate (4), the bottom of the pressing plate (4) is fixedly connected with symmetrically distributed vertical plates (5), two groups of the vertical plates (5) are fixedly connected with symmetrically distributed guide rods (9) between them, two guide rods (9) are slidably connected with a mounting frame (10), the mounting frame (10) is provided with a roller (11), the both ends of the roller (11) are fixedly connected with connecting columns (12), the end, away from the roller (11), of the connecting column (12) is rotatably connected with a mounting block (14), the inner wall of the mounting frame (10) is provided with symmetrically distributed positioning grooves (15) matched with the mounting block (14), the bottom inner wall of the positioning groove (15) is fixedly connected with a positioning column (16), the end, extending into the mounting block (14), of the positioning column (16) is threadedly connected with a threaded sleeve (18) threadedly connected with the mounting block (14).

2. The highway bridge load-carrying capacity detection device according to claim 1, characterized in that: The bottom of the mounting block (14) is provided with a mounting groove (17) matched with the positioning column (16), and the top of the positioning column (16) is a threaded structure.

3. The highway bridge load carrying capacity detection device according to claim 1, characterized in that: The bottom of the vertical plate (5) is slidably connected with symmetrically distributed movable columns (7), the end, extending out of the bottom of the vertical plate (5), of the movable column (7) is fixedly connected with a pressing strip (6), the outer part of the movable column (7) is sleeved with a spring (8), one end of the spring (8) is fixedly connected with the vertical plate (5), and the other end of the spring (8) is fixedly connected with the pressing strip (6).

4. The highway bridge load carrying capacity detection device according to claim 1, characterized in that: The side, close to the connecting column (12), of the mounting block (14) is fixedly connected with a fixing column (13), the connecting column (12) is provided with a groove matched with the fixing column (13).

5. The highway bridge load carrying capacity detection device according to claim 1, characterized in that: One of the vertical plates (5) is fixedly connected with a connecting column (12), and the driving end of the connecting column (12) is fixedly connected with the mounting frame (10).

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