Deformation test device for bridge support rubber pad

Abstract

The utility model provides a deformation test device for a bridge support rubber pad, relates to the technical field of deformation test devices, and aims to solve the problem that a traditional test device is inconvenient to adjust and process according to requirements and is inconvenient for test processing due to different deformation effects generated by applying pressure to different positions of the rubber pad. An adjusting part is arranged at the top of the bottom adjusting part; and a pressure applying part is arranged in the bottom adjusting part. An adjusting groove is formed in a mounting frame, so that a supporting base plate is conveniently restrained, the supporting base plate is kept stable while being adjusted, the relative position of a rubber pad is conveniently adjusted, the edge position of the rubber pad is moved to the bottom of a contact plate, and side edge stress is conveniently conducted; the rubber pad can be conveniently protected, and the phenomenon of outward bouncing caused by breaking in the test process is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of deformation test devices, and more specifically, particularly relates to a deformation test device for a bridge bearing rubber pad. Background Art

[0002] The bridge rubber bearing is made of multiple layers of rubber sheets and thin steel plates that are vulcanized and bonded. It has sufficient vertical rigidity to reliably transmit the reaction force of the upper structure to the pier. After the bridge rubber pad is manufactured, it is necessary to test various indicators, and its deformation capacity is one of the test indicators. In order to test the deformation capacity of the rubber pad, a deformation test is required, so a deformation test device is needed.

[0003] Based on the findings in the prior art, when the existing deformation testing devices are used, most of them directly perform deformation processing by applying pressure to the middle position of the rubber pad, so that its data is uniform. However, since the deformation effects generated by applying pressure to different positions of the rubber pad are different, the traditional testing device is inconvenient to adjust and process according to needs, making it inconvenient for testing. Utility Model Content

[0004] In order to solve the above technical problems, the embodiment of the present disclosure relates to a deformation testing device for a bridge bearing rubber pad, so as to solve the problem that the deformation effects produced by applying pressure to different positions of the rubber pad are different, resulting in the inconvenience of adjusting the traditional testing device according to the needs, making it inconvenient for testing.

[0005] In a first aspect of the present disclosure, a deformation test device for a bridge bearing rubber pad is provided, which is achieved by the following specific technical means:

[0006] The deformation test device of the bridge bearing rubber pad comprises: a bottom adjustment part; the bottom adjustment part comprises a mounting frame, an adjustment slot and a support pad; the support pad is set as a square plate structure, a circular groove is provided at the middle position of the top of the support pad, four groups of cylindrical sliding grooves are provided on the top of the support pad, a pull handle is provided on the outer wall of the support pad, two groups of rectangular blocks are provided at the bottom of the support pad, and circular holes are provided on the two groups of rectangular blocks at the bottom of the support pad, and the support pad is slidably connected in the adjustment slot through the rectangular blocks; an adjustment part is provided at the top of the bottom adjustment part; a pressure part is provided inside the bottom adjustment part; the adjustment part comprises a displacement block, a mounting frame, an adjustment slot and a pressure part; the adjustment part comprises a displacement block, a mounting frame, an adjustment slot and a pressure part; the adjustment part comprises a displacement block, a mounting frame, an adjustment slot and a pressure part; the adjustment part comprises a pressure part, a pressure part ... pressure part The invention relates to a plate and a steering plate; the displacement block is threadedly connected to the threaded rod of the mounting frame; the steering plate is arranged in a disc-shaped structure, a hydraulic cylinder is arranged on the top of the steering plate, and circular jacks are equidistantly provided on the outer wall of the steering plate, and the steering plate is rotatably connected to the mounting plate; the pressure-applying part comprises an extrusion plate and a contact plate; the extrusion plate is connected to the hydraulic cylinder on the steering plate by screws; the contact plate is arranged in a square-shaped structure, a rectangular sliding groove is arranged on the top of the contact plate, four groups of rectangular blocks are arranged on the top of the contact plate, and axial holes are respectively provided on the four groups of rectangular blocks of the contact plate, and the top of the contact plate is slidably connected with the extrusion plate.

[0007] At least in some embodiments, the mounting frame is configured as a square plate-like structure, four groups of threaded rods are provided on the top of the mounting frame, and a square plate-like protrusion is provided on the top of the mounting frame; the adjustment groove is configured as a square plate-like groove, and two groups of rectangular grooves are connected to the bottom of the adjustment groove, and cylindrical rods are respectively provided in the two groups of rectangular grooves of the adjustment groove, and the adjustment groove is opened on the square plate-like protrusion of the mounting frame.

[0008] At least in some embodiments, the bottom adjustment part also includes a side guard frame; the side guard frame is configured as an arc-shaped plate structure, and two groups of cylindrical structures are provided at the bottom of the side guard frame. A spring is provided at the bottom of the cylindrical structure of the side guard frame. There are two groups of side guard frames in total, and the two groups of side guard frames are respectively slidably connected to the four groups of sliding grooves of the support plate.

[0009] At least in some embodiments, the displacement block is configured as a cylindrical structure, two groups of bottom surfaces of the displacement block are respectively provided with hexagonal prism-shaped protrusions, the displacement block is provided with threaded through holes, and there are four groups of displacement blocks in total.

[0010] At least in some embodiments, the mounting plate is configured as a square plate structure, a circular through hole is provided in the middle position of the mounting plate, an annular groove is provided on the inner wall of the circular through hole of the mounting plate, two groups of rectangular slide grooves are connected to the annular groove of the mounting plate, four groups of axial holes are provided on the mounting plate, and displacement blocks are respectively rotated in the four groups of axial holes of the mounting plate.

[0011] At least in some embodiments, the adjustment part also includes a directional plug; the directional plug is configured as a rectangular frame structure, a cylindrical protrusion is provided on the directional plug, a spring is provided inside the directional plug, and there are two groups of directional plugs, which are respectively slidably connected in two groups of slide grooves of the mounting plate.

[0012] At least in some embodiments, the pressure-applying portion also includes an adjusting rod; the extrusion plate is configured as a rectangular block structure, two groups of rectangular protrusions are provided on the outer wall of the extrusion plate, threaded through holes are respectively provided on the two groups of rectangular plates of the extrusion plate, and a cylindrical protrusion is provided on the bottom of the extrusion plate; the adjusting rod is configured as a threaded rod structure, a cylindrical protrusion is provided on the adjusting rod, a turning handle is provided on the adjusting rod, and there are two groups of adjusting rods in total, and the two groups of adjusting rods are respectively rotatably connected between the four groups of rectangular blocks of the contact plate.

[0013] The deformation test device for the bridge bearing rubber pad proposed by the utility model has the following beneficial effects:

[0014] 1. In this device, a support plate and a side guard are provided. By opening an adjustment slot on the mounting frame, the support plate is conveniently constrained so that the support plate can be kept stable during adjustment, so as to adjust the relative position of the rubber pad so that the edge of the rubber pad is moved to the bottom of the contact plate for side force. By sliding the side guard frame on the support plate, the rubber pad is conveniently protected to avoid external rebound due to breakage during the test.

[0015] 2. In this device, a mounting plate and an adjustment plate are provided. By rotating the mounting plate and connecting the displacement block, the displacement block can adjust the relative position of the mounting plate through threads during rotation, which is convenient for placing the rubber pad. By rotating the adjustment plate and connecting it inside the mounting plate, it is convenient to rotate after the directional plug is released from constraint, and it is convenient to adjust the overall torsional direction of the pressure portion by rotation, so as to assist in adjusting according to the rubber pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a three-dimensional upward-looking structural schematic diagram of the utility model.

[0018] Figure 3 It is a schematic diagram of the exploded structure of the utility model.

[0019] Figure 4 It is a schematic diagram of the exploded structure of the utility model when viewed from above.

[0020] Figure 5 It is a partial cutaway structural schematic diagram of the utility model.

[0021] Figure 6 The utility model is Figure 5 Schematic diagram of the enlarged structure of part A.

[0022] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0023] 1. bottom adjustment part; 101. mounting frame; 102. adjustment slot; 103. support plate; 104. side guard frame;

[0024] 2. Adjustment unit; 201. Displacement block; 202. Mounting plate; 203. Adjustment plate; 204. Directional plug block;

[0025] 3. Pressure applying part; 301. Extrusion plate; 302. Contact plate; 303. Adjustment rod. DETAILED DESCRIPTION

[0026] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0027] Embodiment 1: As shown in the attached Figure 1 To Attachment Figure 6 As shown: the utility model provides a deformation test device for a bridge bearing rubber pad, comprising: a bottom adjustment part 1; the bottom adjustment part 1 comprises a mounting frame 101, an adjustment slot 102 and a support plate 103; the support plate 103 is set to a square plate structure, a circular groove is provided at the middle position of the top of the support plate 103, four groups of cylindrical sliding grooves are provided on the top of the support plate 103, a pull handle is provided on the outer wall of the support plate 103, two groups of rectangular blocks are provided at the bottom of the support plate 103, and circular holes are provided on the two groups of rectangular blocks at the bottom of the support plate 103, and the support plate 103 is slidably connected in the adjustment slot 102 through the rectangular blocks; the support plate 103 is used to fix the rubber pad to be tested so as to assist in the adjustment process; an adjustment part 2 is provided at the top of the bottom adjustment part 1; a pressure part 3 is provided inside the bottom adjustment part 1; the adjustment part 2 comprises a displacement block 201, a mounting plate 202 and an adjustment plate 203; the displacement block 201 It is threadedly connected to the threaded rod of the mounting frame 101; the adjusting plate 203 is set as a disc-shaped structure, a hydraulic cylinder is provided on the top of the adjusting plate 203, and circular sockets are equidistantly provided on the outer wall of the adjusting plate 203, and the adjusting plate 203 is rotatably connected to the mounting plate 202; the adjusting plate 203 is used to assist in adjusting the direction of the pressure-applying part 3 through the hydraulic cylinder during rotation; the pressure-applying part 3 includes an extrusion plate 301 and a contact plate 302; the extrusion plate 301 is connected to the hydraulic cylinder on the adjusting plate 203 by screws; the contact plate 302 is set as a square structure, a rectangular sliding groove is provided on the top of the contact plate 302, four groups of rectangular blocks are provided on the top of the contact plate 302, and axial holes are respectively provided on the four groups of rectangular blocks of the contact plate 302, and the top of the contact plate 302 is slidably connected with the extrusion plate 301; the contact plate 302 is used to cooperate with the support plate 103 to fix the rubber pad for test processing.

[0028] Embodiment 2: Based on Embodiment 1, Figure 3 As shown, the mounting frame 101 is set as a square plate-shaped structure, four groups of threaded rods are arranged on the top of the mounting frame 101, and a square plate-shaped protrusion is arranged on the top of the mounting frame 101; the mounting frame 101 is used to assist in the installation and fixation of other structures of the device so that the whole device can be kept stable; the adjustment groove 102 is set as a square plate-shaped groove, and two groups of rectangular grooves are connected to the bottom of the adjustment groove 102. Cylindrical rods are respectively arranged in the two groups of rectangular grooves of the adjustment groove 102. The adjustment groove 102 is opened on the square plate-shaped protrusion of the mounting frame 101. ; The adjustment groove 102 is used to assist in the installation of the support plate 103, so as to facilitate the adjustment process; the bottom adjustment part 1 also includes a side guard frame 104; the side guard frame 104 is arranged as an arc-shaped plate structure, and two groups of cylindrical structures are arranged at the bottom of the side guard frame 104, and a spring is arranged at the bottom of the cylindrical structure of the side guard frame 104, and there are two groups of side guard frames 104, and the two groups of side guard frames 104 are respectively slidably connected in the four groups of sliding grooves of the support plate 103; the side guard frame 104 is used to assist in protecting the rubber pad so that it can rebound outward.

[0029] In the embodiments of the present disclosure, Figure 5 and Figure 6 As shown, the displacement block 201 is set to a cylindrical structure, and two groups of hexagonal prism-shaped protrusions are respectively provided on the bottom surfaces of the displacement block 201, and threaded through holes are provided on the displacement block 201. There are four groups of displacement blocks 201 in total; the displacement block 201 is used to drive the mounting plate 202 to adjust through the thread during the rotation process, so as to adjust the relative position of the adjustment plate 203; the mounting plate 202 is set to a square plate structure, and a circular through hole is provided in the middle position of the mounting plate 202, and an annular groove is provided on the inner wall of the circular through hole of the mounting plate 202, and the annular groove of the mounting plate 202 is connected to two groups of rectangular slide grooves, and the mounting plate 202 There are four groups of axial holes on it, and displacement blocks 201 are rotated in the four groups of axial holes of the mounting plate 202 respectively; the mounting plate 202 is used to assist in the installation of the adjustment plate 203 to facilitate its stability; the adjustment part 2 also includes a directional plug 204; the directional plug 204 is set as a rectangular frame structure, and a cylindrical protrusion is provided on the directional plug 204. A spring is provided in the directional plug 204. There are two groups of directional plugs 204, and the two groups of directional plugs 204 are respectively slidably connected in the two groups of slide grooves of the mounting plate 202; the directional plug 204 is used to be stuck in the adjustment plate 203 under the action of the spring so as to constrain the adjustment plate 203.

[0030] In the embodiments of the present disclosure, Figure 5As shown, the pressure-applying portion 3 also includes an adjusting rod 303; the extrusion plate 301 is configured as a rectangular block structure, two groups of rectangular protrusions are provided on the outer wall of the extrusion plate 301, threaded through holes are respectively provided on the two groups of rectangular plates of the extrusion plate 301, and a cylindrical protrusion is provided at the bottom of the extrusion plate 301; the extrusion plate 301 is used to be connected with the hydraulic cylinder, so as to facilitate the pressure treatment of the contact plate 302 and the pressure treatment of the rubber pad; the adjusting rod 303 is configured as a threaded rod structure, a cylindrical protrusion is provided on the adjusting rod 303, a turning handle is provided on the adjusting rod 303, and two groups of adjusting rods 303 are provided, and the two groups of adjusting rods 303 are respectively rotatably connected between the four groups of rectangular blocks of the contact plate 302; the adjusting rod 303 is used to adjust the corresponding position of the contact plate 302 under the action of the thread so as to adjust its position.

[0031] The specific usage and function of this embodiment are as follows:

[0032] In the utility model, when in use, the mounting frame 101 is fixed at a specified position, and then the rubber pad is clamped on the top of the support plate 103 to facilitate its stability, and then the four groups of displacement blocks 201 are rotated, so that the mounting plate 202 is driven by the thread to be raised and lowered during the rotation process, so that the mounting plate 202 drives the adjustment plate 203 to approach the top of the rubber pad, and then the hydraulic cylinder on the top of the adjustment plate 203 is started to drive the extrusion plate 301 and the contact plate 302 to squeeze the top of the rubber pad, thereby forcing the rubber pad to deform, so as to carry out deformation test processing, and during the test process, the directional plug block 204 can be pulled out from the adjustment plate 203, and the constraint on the adjustment plate 203 can be released at the same time, so as to adjust the overall direction of the pressure part 3, and then the support plate 103 is pulled to adjust the rubber pad to contact the center position of the contact plate 302, so as to force different deformation states by applying pressure to different positions of the rubber pad, so as to carry out test processing on various deformation modes of the rubber pad.

[0033] In this article, there are a few points to note:

[0034] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0035] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0036] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. Deformation test device for bridge bearing rubber pad, including: Bottom adjustment part; it is characterized in that: the bottom adjustment part includes a mounting frame, an adjustment groove and a support pad; the support pad is set as a square plate structure, a circular groove is provided at the middle position of the top of the support pad, four groups of cylindrical sliding grooves are provided on the top of the support pad, a pull handle is provided on the outer wall of the support pad, two groups of rectangular blocks are provided at the bottom of the support pad, and circular holes are provided on the two groups of rectangular blocks at the bottom of the support pad, and the support pad is slidably connected in the adjustment groove through the rectangular blocks; an adjustment part is provided at the top of the bottom adjustment part; a pressure part is provided inside the bottom adjustment part; the adjustment part includes a displacement block, a mounting plate and an adjustment plate ; The displacement block is threadedly connected to the threaded rod of the mounting frame; the adjustment plate is arranged in a disc-shaped structure, a hydraulic cylinder is arranged on the top of the adjustment plate, circular jacks are equidistantly provided on the outer wall of the adjustment plate, and the adjustment plate is rotatably connected to the mounting plate; the pressure-applying part includes an extrusion plate and a contact plate; the extrusion plate is connected to the hydraulic cylinder on the adjustment plate by screws; the contact plate is arranged in a square-shaped structure, a rectangular sliding groove is arranged on the top of the contact plate, four groups of rectangular blocks are arranged on the top of the contact plate, axial holes are respectively provided on the four groups of rectangular blocks of the contact plate, and the extrusion plate is slidably connected to the top of the contact plate.

2. The deformation test device for bridge bearing rubber pad according to claim 1 is characterized in that: The mounting frame is configured as a square plate-like structure, four groups of threaded rods are provided on the top of the mounting frame, and a square plate-like protrusion is provided on the top of the mounting frame; the adjustment groove is configured as a square plate-like groove, and two groups of rectangular grooves are connected to the bottom of the adjustment groove, and cylindrical rods are respectively provided in the two groups of rectangular grooves of the adjustment groove, and the adjustment groove is opened on the square plate-like protrusion of the mounting frame.

3. The deformation test device for bridge bearing rubber pad according to claim 1 is characterized in that: The bottom adjustment part also includes a side guard frame; the side guard frame is configured as an arc-shaped plate structure, and two groups of cylindrical structures are provided at the bottom of the side guard frame. A spring is provided at the bottom of the cylindrical structure of the side guard frame. There are two groups of side guard frames in total, and the two groups of side guard frames are respectively slidably connected to the four groups of sliding grooves of the support plate.

4. The deformation test device for bridge bearing rubber pad according to claim 1 is characterized in that: The displacement block is configured as a cylindrical structure, two groups of bottom surfaces of the displacement block are respectively provided with hexagonal prism-shaped protrusions, the displacement block is provided with threaded through holes, and there are four groups of displacement blocks in total.

5. The deformation test device for bridge bearing rubber pad according to claim 1 is characterized in that: The mounting plate is configured as a square plate structure, a circular through hole is provided in the middle position of the mounting plate, an annular groove is provided on the inner wall of the circular through hole of the mounting plate, two groups of rectangular slide grooves are connected to the annular groove of the mounting plate, four groups of axial holes are provided on the mounting plate, and displacement blocks are respectively rotated in the four groups of axial holes of the mounting plate.

6. The deformation test device for bridge bearing rubber pad according to claim 1 is characterized in that: The adjustment part also includes a directional plug; the directional plug is set as a rectangular frame structure, a cylindrical protrusion is provided on the directional plug, a spring is provided in the directional plug, and there are two groups of directional plugs, which are respectively slidably connected in two groups of sliding grooves of the mounting plate.

7. The deformation test device for bridge bearing rubber pad according to claim 1 is characterized in that: The pressure-applying part also includes an adjusting rod; the extrusion plate is configured as a rectangular block structure, two groups of rectangular protrusions are provided on the outer wall of the extrusion plate, threaded through holes are respectively provided on the two groups of rectangular plates of the extrusion plate, and a cylindrical protrusion is provided on the bottom of the extrusion plate; the adjusting rod is configured as a threaded rod structure, a cylindrical protrusion is provided on the adjusting rod, a turning handle is provided on the adjusting rod, and there are two groups of adjusting rods in total, and the two groups of adjusting rods are rotatably connected between the four groups of rectangular blocks of the contact plate.

Images