Device for testing durability of anti-collision wall of concrete bridge

Abstract

The invention discloses a device for testing the durability of a concrete bridge anti-collision wall, and relates to the technical field of testing devices.The device comprises a base, a bracket is fixedly connected to one side of the top face of the base, a storage plate is arranged at the top of the base, and limiting blocks are fixedly connected to the two sides of the top of the storage plate; the device further comprises a conveying assembly, a fastening assembly and a testing assembly, the conveying assembly is arranged on the base and used for moving the position of the storage plate, the fastening assembly is arranged on the storage plate and used for fixing the anti-collision wall, and the testing assembly is arranged on the bracket and used for detecting the anti-collision wall. The anti-collision wall testing device is reasonable in structure, the anti-collision wall is moved to the bottom position of the testing assembly through the conveying assembly and the fastening assembly, manual carrying is not needed, and then the anti-collision wall is conveniently detected through the testing assembly.

Description

Technical Field

[0001] The present invention relates to the technical field of testing devices, in particular to a durability testing device for concrete bridge crash barriers. Background Art

[0002] The concrete crash barrier of a bridge is a protective facility installed on both sides of the bridge or in the central dividing strip. In order to ensure the structural stability and long-term protective capability of the concrete crash barrier of the bridge, a durability test is required after the construction is completed. The existing durability test generally includes testing the carbonization degree of the concrete layer of the crash barrier. Testing the carbonization depth can reflect the durability of the concrete layer, judge its overall strength and construction and maintenance quality, and conduct a comprehensive assessment of its anti-erosion ability and service life.

[0003] The announcement number CN119354654B is a device for testing the durability of concrete bridge crash barriers, including a support frame, a guide rail connected to the support frame, teeth provided on the side walls of the guide rail, a slide slidably connected to the guide rail, a linear motor and a travel motor provided on the top of the slide, a drive motor fixedly connected to the top of the linear motor, an auger connected to the output end of the drive motor, sleeves designed on both sides of the drive motor, and a sealed chamber 1 provided inside the sleeve. The present invention, through the cooperation of the drive gear and the teeth, can automatically carry out a slotting test after each movement of the drive motor by the cooperation of the piston block 2 and the switch, thereby realizing the automatic equidistant slotting test of the concrete crash barrier, without the need for manual operation and anchor points, significantly improving the detection efficiency. At the same time, the slots opened by the auger are uniform, which is convenient for unified observation and detection. The above-mentioned slotting method is very inefficient. Summary of the Invention

[0004] The purpose of this application is to provide a durability performance testing device for concrete bridge crash barriers, which can move the crash barrier to the bottom position of the test assembly through a transmission assembly and a fastening assembly without manual handling, and then facilitate the inspection of the crash barrier through the test assembly.

[0005] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a device for testing the durability of concrete bridge anti-collision walls, comprising a base, a bracket fixedly connected to one side of the top surface of the base, a storage plate provided at the top of the base, and limited blocks fixedly connected to the top two sides of the storage plate; further comprising a transmission component, a fastening component and a testing component, the transmission component being arranged on the base for moving the position of the storage plate, the fastening component being arranged on the storage plate for fixing the anti-collision wall, and the testing component being arranged on the bracket for detecting the anti-collision wall.

[0006] Preferably, the conveying assembly comprises a frame fixedly installed on the base, the top surface of the frame is fixedly connected with a pair of sliding rails, a sliding block is slidably connected on the pair of sliding rails, and the sliding block is fixedly connected with the bottom surface of the storage plate.

[0007] Preferably, the two sides of the frame are fixedly connected with first shaft seats, the first shaft seats are fixedly connected with a sliding rod, a pulley is slidably connected on the sliding rod, the pulley is rotatably connected with a side plate, and the top end of the side plate is fixedly connected with the bottom surface of the storage plate.

[0008] Preferably, the bottom surface of the storage plate is fixedly connected with a fixed column, the bottom end of the fixed column is rotatably connected with a driven plate, one end of the driven plate is rotatably connected with a butt joint block, the butt joint block is detachably installed on a transmission belt, the transmission belt is sleeved on a belt pulley, the belt pulley is fixedly connected with a drive rod, the bottom end of the drive rod is rotatably connected with the base, the bottom end of one of the drive rods is fixedly connected with the output end of a first motor, and the first motor is fixedly installed on the bottom surface of the base.

[0009] Preferably, the fastening assembly comprises a pair of second shaft seats fixedly installed on the bottom surface of the storage plate, a cross rod is fixedly connected on the pair of second shaft seats, the other end of the cross rod is rotatably connected with a linkage plate, the top end of the linkage plate is fixedly connected with a top rod, a sleeve seat is fixedly connected on the top rod, and the sleeve seat is fixedly connected with a clamping plate.

[0010] Preferably, the surface of the linkage plate is fixedly connected with a pin column in the middle, a push plate is rotatably connected on the pin column, and the other end of the push plate is rotatably connected with a hinged seat.

[0011] Preferably, the surface of the hinged seat is fixedly connected with a sleeve block in the middle, a threaded rod is threadedly connected on the sleeve block, the bottom end of the threaded rod is rotatably connected with a third shaft seat, one end of the third shaft seat is fixedly connected with the side plate, and the top end of the threaded rod is fixedly connected with a rotating disc.

[0012] Preferably, the testing assembly comprises a pair of frame bodies fixedly installed on the top surface of the bracket, a pair of oil cylinders are fixedly connected on the pair of frame bodies, the bottom end of the oil cylinder is fixedly connected with a movable plate, and a through slot is formed in the middle of the movable plate.

[0013] Preferably, the inner wall of the through slot is fixedly connected with a horizontal plate in the middle, the horizontal plate is fixedly connected with a pair of supports, the two ends of the pair of supports are rotatably connected with side rods, the side rods are fixedly connected with arm plates, one end of the side rod is fixedly connected with a sleeve ring, a spring is sleeved on the side rod, the two ends of the spring are fixedly connected with one side of the support and one side of the sleeve ring, respectively, and the bottom end of the arm plate is fixedly connected with a knocking block.

[0014] Preferably, the top end of the arm plate is fixedly connected with a pressing block, the inner side of the pressing block is attached with a convex disc, the convex disc is fixedly connected with a rotating rod, both ends of the rotating rod are rotatably connected with a fourth shaft seat, the bottom end of the fourth shaft seat is fixedly connected with the movable plate, one end of the rotating rod is fixedly connected with the output end of a second motor, and the second motor is fixedly installed on the fourth shaft seat.

[0015] In conclusion, the present application has the following advantages: The object plate is moved to the bottom position of the bracket, then the oil cylinder pushes the movable plate to move downward, so that the knocking block moves to the both sides of the crash wall, then the second motor operates to make the rotating rod rotate, the rotation of the rotating rod drives the convex disc to rotate, the pressing block is provided with an arc-shaped slot, and the pressing block is attached to the convex disc through the elastic force of the spring, the rapid rotation of the convex disc makes the knocking block at the other end of the arm plate knock the crash wall rapidly, and whether the crash wall is damaged when being impacted is simulated. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0017] Figure 1 It is a schematic view of the bottom base in perspective view; Figure 2 It is a schematic view of the bottom base in side view; Figure 3 It is a schematic view of the bottom base in bottom view; Figure 4 It is a schematic view of the object plate in perspective view; Figure 5 It is a schematic view of the frame in perspective view; Figure 6 It is a schematic view of the bracket in perspective view; Figure 7 It is a schematic view of the movable plate in perspective view; Figure 8 It is a schematic view of the movable plate in perspective view; Figure 4 It is an enlarged structural schematic view of position A in the movable plate.

[0018] As shown in the figure: 1, the base; 101, the bracket; 102, the storage plate; 103, the limiting block; 2, the frame; 201, the slide rail; 202, the sliding block; 203, the first shaft seat; 204, the slide rod; 205, the pulley; 206, the side plate; 207, the fixed column; 208, the driven plate; 209, the butt block; 210, the transmission belt; 211, the pulley; 212, the drive rod; 213, the first motor; 3, the second shaft seat; 301, the cross bar; 302, the linkage plate; 303, the top rod; 304, the sleeve seat; 305, the clamping plate; 306, the pin column; 307, the push plate; 308, the hinge seat; 309, the sleeve block; 310, the threaded rod; 311, the third shaft seat; 312, the turntable; 4, the frame body; 401, the oil cylinder; 402, the movable plate; 403, the through slot; 404, the cross plate; 405, the support; 406, the side rod; 407, the arm plate; 408, the sleeve ring; 409, the spring; 410, the knocking block; 411, the pressing block; 412, the convex disc; 413, the rotating rod; 414, the fourth shaft seat; 415, the second motor. DETAILED DESCRIPTION

[0019] 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 of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0020] Embodiment: Reference Figure 1 - Figure 8 As shown in the figure, a kind of device for testing the durability of concrete bridge crash wall, including base 1, the top surface side position of base 1 is fixedly connected with bracket 101, the top position of base 1 is provided with storage plate 102, the top of storage plate 102 is fixedly connected with limiting block 103 on both sides of position;It also includes conveying assembly, fastening assembly and test assembly, conveying assembly is set on base 1 for the position of storage plate 102 is moved, fastening assembly is set on storage plate 102 for crash wall is fixed, test assembly is set on bracket 101 for crash wall is detected.

[0021] Specifically, it needs to be explained here that the first motor 213 and the second motor 415 are electrically connected with the control unit by wires, and the specific working principle between them is by referring to the prior art, which will not be described in detail here.

[0022] As an implementation manner in the embodiment, the conveying assembly comprises a frame 2 fixedly installed on the base 1, a pair of sliding rails 201 fixedly connected at the top surface position of the frame 2, a sliding block 202 slidingly connected on the pair of sliding rails 201, the sliding block 202 being fixedly connected at the bottom surface position of the storage plate 102, first shaft seats 203 fixedly connected at the both side positions of the frame 2, a sliding rod 204 fixedly connected between the first shaft seats 203, a pulley 205 slidingly connected on the sliding rod 204, the pulley 205 being rotatably connected on a side plate 206, the top end of the side plate 206 being fixedly connected at the bottom surface position of the storage plate 102, a fixed column 207 being fixedly connected at the middle position of the bottom surface of the storage plate 102, a driven plate 208 being rotatably connected at the bottom end of the fixed column 207, a butt joint block 209 being rotatably connected at one end of the driven plate 208, the butt joint block 209 being detachably installed on a transmission belt 210, the transmission belt 210 being sleeved on a belt pulley 211, the belt pulley 211 being fixedly connected on a driving rod 212, the bottom end of one of the driving rods 212 being fixedly connected with the output end of a first motor 213, the first motor 213 being fixedly installed at the bottom surface position of the base 1.

[0023] Specifically, when the storage plate 102 needs to be moved, the first motor 213 operates to drive the belt pulley 211 on the driving rod 212 to rotate, the rotation of the belt pulley 211 drives the transmission belt 210 to rotate, the butt joint block 209 is detachably installed on the transmission belt 210, and the butt joint block 209 is rotatably connected to the driven plate 208, the other end of the driven plate 208 is rotatably connected to the fixed column 207, the rotation of the transmission belt 210 drives the storage plate 102 to move through the butt joint block 209, the movement of the storage plate 102 drives the sliding block 202 to slide on the sliding rail 201, and the pulley 205 slides on the sliding rod 204, thereby increasing the stability of the movement of the storage plate 102.

[0024] As an implementation manner in the embodiment, the fastening assembly comprises a pair of second shaft seats 3 fixedly installed at the both side positions of the bottom surface of the storage plate 102, a cross rod 301 fixedly connected on the pair of second shaft seats 3, a linkage plate 302 rotatably connected at the other end of the cross rod 301, a top rod 303 fixedly connected at the top end of the linkage plate 302, a sleeve seat 304 fixedly connected on the top rod 303, the sleeve seat 304 being fixedly connected on a clamping plate 305, a pin column 306 fixedly connected at the middle position of the surface of the linkage plate 302, a push plate 307 rotatably connected on the pin column 306, the other end of the push plate 307 being rotatably connected on a hinged seat 308, a sleeve block 309 fixedly connected at the middle position of the surface of the hinged seat 308, a threaded rod 310 threadedly connected on the sleeve block 309, the bottom end of the threaded rod 310 being rotatably connected on a third shaft seat 311, one end of the third shaft seat 311 being fixedly connected on the side plate 206, the top end of the threaded rod 310 being fixedly connected with a rotating disc 312.

[0025] Specifically, the crash barrier is placed between the limiting blocks 103 on the storage plate 102, and then the rotating disc 312 is rotated to drive the threaded rod 310 to rotate, the sleeve block 309 is threadedly connected on the threaded rod 310, the sleeve block 309 is moved through the rotation of the threaded rod 310, the sleeve block 309 moves to drive the linkage plate 302 to rotate around the horizontal rod 301 through the push plate 307 on the hinged seat 308, the sleeve seat 304 on the top rod 303 is moved through the rotation of the linkage plate 302, and the clamping plate 305 is tightly attached to the side of the crash barrier, so as to facilitate the fixation of the crash barrier.

[0026] As an embodiment in the embodiment, the test assembly comprises a pair of frames 4 fixedly installed on the top surface of the bracket 101, an oil cylinder 401 is fixedly connected on the pair of frames 4, the bottom end of the oil cylinder 401 is fixedly connected on the movable plate 402, a through slot 403 is formed in the middle position of the movable plate 402, a horizontal plate 404 is fixedly connected on the inner wall of the middle position of the through slot 403, a pair of supports 405 are fixedly connected on the horizontal plate 404, side rods 406 are rotatably connected at both ends of the pair of supports 405, arm plates 407 are fixedly connected on the side rods 406, sleeve rings 408 are fixedly connected on one end of the side rods 406, springs 409 are sleeved on the side rods 406, and both ends of the springs 409 are fixedly connected with one side of the supports 405 and one side of the sleeve rings 408 respectively, knocking blocks 410 are fixedly connected on the bottom end of the arm plates 407, pressing blocks 411 are fixedly connected on the top end of the arm plates 407, convex discs 412 are attached to the inner side of the pressing blocks 411, the convex discs 412 are fixedly connected on the rotating rods 413, the rotating rods 413 are rotatably connected at both ends on the fourth shaft seats 414, the bottom end of the fourth shaft seats 414 is fixedly connected on the movable plate 402, one end of the rotating rods 413 is fixedly connected with the output end of the second motor 415, and the second motor 415 is fixedly installed on the fourth shaft seats 414.

[0027] Specifically, the storage plate 102 is moved to the bottom position of the bracket 101, then the oil cylinder 401 pushes the movable plate 402 to move downward, so that the knocking blocks 410 are moved to the two sides of the crash barrier, and then the second motor 415 operates to drive the rotating rods 413 to rotate, the rotating of the rotating rods 413 drives the convex discs 412 to rotate; An arc-shaped slot is formed in the pressing block 411, the pressing block 411 is attached to the convex disc 412 through the elastic force of the spring 409, the knocking blocks 410 at the other end of the arm plates 407 are rapidly knocked against the crash barrier through the rapid rotation of the convex disc 412, whether the crash barrier is damaged when it is impacted is simulated, and after the detection is completed, the movable plate 402 is moved upward through the oil cylinder 401, so that the knocking blocks 410 are separated from the two sides of the crash barrier, and the next crash barrier is conveniently tested.

[0028] The working principle of the present application is as follows: when the storage plate 102 needs to be moved, the first motor 213 operates to rotate the belt pulley 211 on the driving rod 212, the rotation of the belt pulley 211 drives the transmission belt 210 to rotate, the transmission belt 210 is detachably installed with the butt joint block 209, the butt joint block 209 is rotationally connected to the driven plate 208, the other end of the driven plate 208 is rotationally connected to the fixed column 207, the rotation of the transmission belt 210 drives the storage plate 102 to move through the butt joint block 209, the movement of the storage plate 102 makes the sliding block 202 slide on the sliding rail 201, and the pulley 205 slides on the sliding rod 204, thereby increasing the stability of the movement of the storage plate 102. The anti-collision wall is placed between the limiting blocks 103 on the storage plate 102, then the rotating disc 312 is rotated, the rotation of the rotating disc 312 drives the threaded rod 310 to rotate, the threaded rod 310 is threadedly connected with the sleeve block 309, the rotation of the threaded rod 310 drives the sleeve block 309 to move, the movement of the sleeve block 309 drives the linkage plate 302 to rotate around the horizontal rod 301 through the push plate 307 on the hinge seat 308, the rotation of the linkage plate 302 drives the sleeve seat 304 on the top rod 303 to move, the movement of the sleeve seat 304 makes the clamping plate 305 tightly fit the side surface of the anti-collision wall, thereby facilitating the fixation of the anti-collision wall. The storage plate 102 is moved to the bottom position of the bracket 101, then the oil cylinder 401 drives the movable plate 402 to move downward, so that the knocking block 410 moves to the two sides of the anti-collision wall, then the second motor 415 operates to drive the rotating rod 413 to rotate, the rotation of the rotating rod 413 drives the convex disc 412 to rotate, the pressing block 411 is provided with an arc-shaped groove, and the pressing block 411 is fitted on the convex disc 412 through the elastic force of the spring 409, the rapid rotation of the convex disc 412 drives the knocking block 410 at the other end of the arm plate 407 to knock the anti-collision wall rapidly, thereby simulating whether the anti-collision wall is damaged when it is impacted.

[0029] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A durability testing device for concrete bridge crash barriers, characterized in that: include A base (1), wherein a bracket (101) is fixedly connected to one side of the top surface of the base (1), a storage plate (102) is provided at the top of the base (1), and limiting blocks (103) are fixedly connected to both sides of the top of the storage plate (102); It also includes a transmission component, a fastening component and a testing component, wherein the transmission component is arranged on the base (1) for moving the position of the storage plate (102), the fastening component is arranged on the storage plate (102) for fixing the anti-collision wall, and the testing component is arranged on the bracket (101) for detecting the anti-collision wall.

2. The durability testing device for concrete bridge crash barriers according to claim 1, characterized in that: The transport assembly comprises a frame (2) fixedly mounted on the base (1); a pair of slide rails (201) are fixedly connected to the top surface of the frame (2); a slider (202) is slidably connected to the pair of slide rails (201); and the slider (202) is fixedly connected to the bottom surface of the storage plate (102).

3. The durability testing device for concrete bridge crash barriers according to claim 2, characterized in that: First shaft seats (203) are fixedly connected to both sides of the frame (2), a sliding rod (204) is fixedly connected between the first shaft seats (203), a pulley (205) is slidably connected to the sliding rod (204), and the pulley (205) is rotatably connected to the side plate (206), and the top of the side plate (206) is fixedly connected to the bottom surface of the storage plate (102).

4. The durability testing device for concrete bridge crash barriers according to claim 2, characterized in that: A fixed column (207) is fixedly connected to the middle position of the bottom surface of the storage plate (102), and the bottom end of the fixed column (207) is rotatably connected to a driven plate (208). One end of the driven plate (208) is rotatably connected to a docking block (209), and the docking block (209) is detachably mounted on a transmission belt (210). The transmission belt (210) is sleeved on a pulley (211), and the pulley (211) is fixedly connected to a driving rod (212). The bottom end of the driving rod (212) is rotatably connected to the base (1), and the bottom end of one of the driving rods (212) is fixedly connected to the output end of a first motor (213). The first motor (213) is fixedly mounted on the bottom surface of the base (1).

5. The durability testing device for concrete bridge crash barriers according to claim 3, characterized in that: The fastening assembly comprises a pair of second shaft seats (3) fixedly mounted on both sides of the bottom surface of the storage plate (102); a cross bar (301) is fixedly connected to the pair of second shaft seats (3); the other end of the cross bar (301) is rotatably connected to a linkage plate (302); the top end of the linkage plate (302) is fixedly connected to a push rod (303); the push rod (303) is fixedly connected to a sleeve seat (304); and the sleeve seat (304) is fixedly connected to a clamping plate (305).

6. The durability testing device for concrete bridge crash barriers according to claim 5, characterized in that: A pin (306) is fixedly connected to the middle of the surface of the linkage plate (302), a push plate (307) is rotatably connected to the pin (306), and the other end of the push plate (307) is rotatably connected to the hinge seat (308).

7. The durability testing device for concrete bridge crash barriers according to claim 6, characterized in that: A sleeve block (309) is fixedly connected to the middle position of the surface of the hinge seat (308), a threaded rod (310) is threadedly connected to the sleeve block (309), the bottom end of the threaded rod (310) is rotatably connected to a third shaft seat (311), one end of the third shaft seat (311) is fixedly connected to the side plate (206), and the top end of the threaded rod (310) is fixedly connected to a turntable (312).

8. The durability testing device for concrete bridge crash barriers according to claim 2, characterized in that: The test assembly comprises a pair of frames (4) fixedly mounted on the top surface of the bracket (101), a pair of frames (4) being fixedly connected to an oil cylinder (401), the bottom end of the oil cylinder (401) being fixedly connected to a movable plate (402), and a through slot (403) being provided in the middle of the movable plate (402).

9. The durability testing device for concrete bridge crash barriers according to claim 8, characterized in that: A transverse plate (404) is fixedly connected to the middle portion of the inner wall of the through slot (403), a pair of brackets (405) are fixedly connected to the transverse plate (404), both ends of the pair of brackets (405) are rotatably connected to side rods (406), an arm plate (407) is fixedly connected to the side rod (406), one end of the side rod (406) is fixedly connected to a collar (408), a spring (409) is sleeved on the side rod (406), the two ends of the spring (409) are fixedly connected to one side of the bracket (405) and one side of the collar (408), respectively, and a knocking block (410) is fixedly connected to the bottom end of the arm plate (407).

10. The durability testing device for concrete bridge crash barriers according to claim 9, characterized in that: The top end of the arm plate (407) is fixedly connected to a pressure block (411), the inner side of the pressure block (411) is fitted with a convex disc (412), the convex disc (412) is fixedly connected to a rotating rod (413), both ends of the rotating rod (413) are rotatably connected to a fourth shaft seat (414), the bottom end of the fourth shaft seat (414) is fixedly connected to the movable plate (402), one end of the rotating rod (413) is fixedly connected to the output end of the second motor (415), and the second motor (415) is fixedly mounted on the fourth shaft seat (414).

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