Self-adaptive test column shifting device

Abstract

A self-adaptive test column shifting device comprises an upper supporting steel plate (1), a threaded sleeve, a spring (3), a rubber block (4), a lower supporting steel plate (5) and left and right steel plate locking devices (6). The upper supporting steel plate, the lower supporting steel plate and the rubber block are the same in plane size. The rubber block is installed between the upper supporting steel plate and the lower supporting steel plate. The upper supporting steel plate and the lower supporting steel plate are composed of two concave flat steel plates, and each concave flat steel plate is symmetrically provided with two hanging rings. Threaded heads are arranged at two ends of the spring, the upper end of the spring penetrates through a rubber block hole to be connected with the threaded end of the upper supporting steel plate through a threaded sleeve, and the lower end of the spring penetrates through a lower supporting steel plate hole to fix the upper supporting steel plate and the lower supporting steel plate through nuts. According to the invention, non-uniform stress in the vertical direction and the horizontal direction in the hoisting and shifting process of the test column is rapidly balanced by adopting the combination of the spring and the rubber block, self-adaption of non-uniform stress between the test column and the hoisting tool in the hoisting and shifting process is realized, and the shifting safety is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of industrial hoisting, and in particular relates to an adaptive test column displacement device. Background Art

[0002] When the laboratory conducts static and dynamic performance tests on large-size pier columns, it is usually necessary to move the test columns from the casting position to the loading position; and in the daily management of the test column laboratory, it is often necessary to move the test columns so that the test area can be re-divided as needed. Considering the large size and heavy mass of large-size pier columns, it is particularly important to ensure the safety of structural hoisting and displacement in the relatively small space of the laboratory.

[0003] At present, the hoisting and displacement methods of test columns mainly include: (1) embedding lifting nails or lifting rings before casting the test column, and lifting and displacement by wire rope; (2) directly using lifting belts and wire ropes for hoisting and displacement; (3) using special hoisting equipment and wire ropes for hoisting and displacement.

[0004] However, during long-term use, the above-mentioned lifting and displacement methods gradually exposed the following problems: (1) Due to the large size and relatively irregular structure of the test column, whether the embedded lifting ring or the lifting nail method is used, the structure is prone to shaking during the lifting and displacement process, resulting in instability; (2) When the test column is directly tied with a sling for lifting, the contact between the sling and the test column is uneven, causing the test column to slip off the sling, causing a safety accident; (3) Although the special lifting equipment can solve the contact problem between the lifting device and the test column to a certain extent, it is difficult to quickly balance the deformation difference caused by the uneven force of the structure during the displacement process, and the lifting and displacement speed is limited and the efficiency is low.

[0005] Therefore, it is urgent to invent an adaptive test column lifting and displacement device to achieve simple, safe and rapid displacement of the test column in a relatively limited space in the laboratory. Summary of the invention

[0006] The utility model aims to solve the stability and safety problems in the process of test column hoisting and displacement, and proposes an adaptive test column hoisting and displacement device.

[0007] The technical solution implemented in the utility model is as follows: an adaptive test column lifting and displacement device comprises an upper supporting steel plate, a lower supporting steel plate, left and right steel plate locking devices, a threaded sleeve, a spring and a rubber block.

[0008] The upper supporting steel plate and the lower supporting steel plate have the same plane size as the rubber block, and a rubber block is installed between the upper supporting steel plate and the lower supporting steel plate; a plurality of cylindrical end caps are arranged at the bottom of the upper supporting steel plate, and circular holes are opened at corresponding positions of the lower supporting steel plate; the rubber block is composed of two rubber blocks with vertical openings, and the opening positions correspond to the threaded end caps of the upper supporting steel plate.

[0009] The upper supporting steel plate and the lower supporting steel plate are respectively composed of two concave flat steel plates, with the concave openings of the steel plates facing each other; they are connected as a whole by steel rods with threaded ends at both ends, and two lifting rings are symmetrically arranged on the outer edge of each concave flat steel plate.

[0010] The two ends of the spring are welded with threaded heads, one end of the thread is used to connect with the threaded sleeve and then connected to the threaded end of the upper support steel plate, and the other end of the thread is used to connect with the fixing nut of the lower support steel plate.

[0011] The threaded sleeve is provided with an internal threaded hole; the internal thread at one end of the threaded sleeve is connected to the threaded end of the upper supporting steel plate, and the other end is connected to the threaded end of the spring.

[0012] The rubber block is composed of two concave rubber blocks, and a plurality of vertical holes are opened in the thickness direction of the concave rubber block. The positions of the vertical holes are the same as the positions of the cylindrical ends of the upper supporting steel plates.

[0013] The left and right steel plate locking device is composed of two rectangular steel blocks with a hole in the middle, which are welded to both sides of the upper and lower supporting steel plates and are used to connect the left and right upper supporting steel plates and the left and right lower supporting steel plates.

[0014] The beneficial effects of the utility model are that the present invention adopts a spring to increase the vertical stiffness of the rubber block, quickly adapts to the vertical unbalanced load of the test column during the lifting and displacement process through the uneven deformation of the rubber block and the spring, and quickly adapts to the horizontal unbalanced load during the lifting and displacement process of the test column through the shear deformation of the rubber block. On the basis of ensuring the rapid balance of the center of gravity of the test column, the present invention reduces the shaking of the test column during the lifting and displacement process, thereby realizing rapid, stable and safe lifting and displacement of the test column. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of an adaptive test column displacement device of the utility model;

[0016] Figure 2 It is a partial schematic diagram of the adaptive test column displacement device;

[0017] Figure 3 This is a front view of an adaptive test column displacement device of the utility model;

[0018] Figure 4 It is a top view of an adaptive test column displacement device of the utility model;

[0019] Figure 5 AA enlarged view of the threaded sleeve and spring;

[0020] Figure 6 It is a schematic diagram of the locking device of the left and right steel plates;

[0021] Figure 7 This is a schematic diagram of the hoisting of an adaptive test column displacement device of the utility model;

[0022] In the figure, 1 is the upper supporting steel plate; 2 is the threaded sleeve; 3 is the spring; 4 is the rubber block; 5 is the lower supporting steel plate; 6 is the left and right steel plate locking device; and 7 is the fixing nut of the lower supporting steel plate. DETAILED DESCRIPTION

[0023] In this embodiment, the dimensions of the test pier to be displaced are: pier cap 500×430×430mm, pier body 320×320×1500mm, and pier base 1100×700×450mm.

[0024] This embodiment is an adaptive test column displacement device such as Figure 1 to Figure 7 shown.

[0025] like Figure 1 As shown, the upper supporting steel plate 1 is composed of two concave flat steel plates forming a U-shape, a single upper supporting steel plate is 550mm long and 275mm wide; the internal bayonet is 350mm long and 175mm wide, the upper supporting steel plate is 5mm thick, each upper supporting steel plate is provided with two lifting rings, and 6 raised threaded ends are provided at the bottom, the threaded end has a diameter of 30mm and a height of 15mm, and the two upper supporting steel plates are arranged symmetrically on the left and right.

[0026] like Figure 2 and Figure 5 As shown, 2 is a threaded sleeve, the outer diameter of the threaded sleeve 2 is 40 mm, the inner wall is provided with an internal thread matching the threaded end of the upper supporting steel plate, the sleeve height is 30 mm, and there are 12 threaded sleeves in total.

[0027] like Figure 2 and Figure 5 As shown, 3 is a spring, spring 3 has a height of 50mm and an outer diameter of 40mm, circular steel plates are welded at both ends of the spring, the diameter of the circular steel plates is 40mm and the thickness is 5mm, and a threaded interface is welded on the other side of the circular steel plate, the diameter of the upper threaded interface is 30mm and the height is 15mm, the diameter of the lower threaded interface is 12mm and the height is 45mm, there are a total of 12 springs.

[0028] like Figure 1 , 2 and Figure 3As shown, 4 is a rubber block, and the rubber block 4 is composed of two concave rubber blocks. A single rubber block is 550mm long and 275mm wide, and the internal bayonet is 350mm long, 175mm wide, and 90mm high. Each rubber block has 6 round through holes at the same position as the upper supporting steel plate. The diameter of the round through holes is 1-2mm larger than the outer diameter of the spring, and the two concave rubber blocks are arranged symmetrically on the left and right.

[0029] like Figure 1 and Figure 2 As shown, 5 is a lower supporting steel plate, which is composed of two concave flat steel plates. A single lower supporting steel plate is 550 mm long and 275 mm wide, and the internal bayonet is 350 mm long, 175 mm wide, and 5 mm thick. Two lifting rings are set on each lower supporting steel plate 5, and 6 circular holes are set at the same position as the upper supporting steel plate 1. The diameter of the circular holes is 14 mm, and the two lower supporting steel plates 5 are arranged symmetrically on the left and right.

[0030] like Figure 1 and Figure 6 As shown, 6 is the left and right steel plate locking device, and the left and right steel plate locking device 6 is two rectangular steel blocks with a circular hole in the middle, the steel block is 8mm long, 5mm wide and 5mm high, and is welded to both sides of the upper and lower supporting steel plates by welding to connect the left and right upper supporting steel plates and the left and right lower supporting steel plates.

[0031] like Figure 2 and Figure 5 As shown, 7 is a lower support steel plate fixing nut, and the inner wall of the lower support steel plate fixing nut 7 is provided with an internal thread matching the lower end thread of the spring, the nut height is 15 mm, and a total of 12 nuts are provided.

[0032] The construction method of the adaptive test column precise displacement device of this embodiment is as follows:

[0033] (1) Prepare the upper support steel plate 1, the lower support steel plate 5, the left and right steel plate locking devices 6, the threaded sleeve 2, the spring 3 and the rubber block 4 and the lower support steel plate fixing nut 7;

[0034] (2) Each spring 3 is first connected to the raised threaded port at the bottom of the supporting steel plate 1 using a threaded sleeve 2;

[0035] (3) The spring 3 passes through the round through hole on the rubber block 4;

[0036] (4) The threaded interface at the lower end of the spring 3 passes through the circular hole of the lower supporting steel plate 5, and then the threaded interface of the spring 3 passing through the lower supporting steel plate 5 is tightened with the lower supporting steel plate fixing nut 7 to form two left and right clamping mechanisms;

[0037] (5) The left and right clamping mechanisms clamp the test column pier body, and a steel rod with threaded ends at both ends is passed through the left and right steel plate locking devices 6 to connect the left and right clamping mechanisms, and the two ends are tightened with nuts;

[0038] (6) Use a sling to pass through the 5 lifting rings on each lower supporting steel plate, and then pass through the 1 lifting ring on each upper supporting steel plate. Hook the two ends of the sling with a crane to lift the test column.

[0039] Figure 7 Shown is a schematic diagram of the hoisting of an adaptive test column precision shifting device.

[0040] The device is simple and efficient in hoisting the test column, and greatly reduces the shaking of the test column during the hoisting and displacement process, thereby achieving fast, stable and safe hoisting and displacement of the test column.

Claims

1. An adaptive test column displacement device, characterized in that: The device comprises an upper supporting steel plate, a lower supporting steel plate, left and right steel plate locking devices, a threaded sleeve, a spring and a rubber block; the upper supporting steel plate and the lower supporting steel plate have the same plane dimensions as the rubber block, and a rubber block is installed between the upper supporting steel plate and the lower supporting steel plate; a plurality of cylindrical end caps are arranged at the bottom of the upper supporting steel plate, and circular holes are opened at corresponding positions of the lower supporting steel plate; the rubber block is composed of two rubber blocks with vertical openings, and the opening positions correspond to the threaded end caps of the upper supporting steel plate.

2. The adaptive test column displacement device according to claim 1, characterized in that: The upper supporting steel plate and the lower supporting steel plate are respectively composed of two concave flat steel plates, with the concave openings of the steel plates facing each other; they are connected as a whole by steel rods with threaded ends at both ends, and two lifting rings are symmetrically arranged on the outer edge of each concave flat steel plate.

3. The adaptive test column displacement device according to claim 1, characterized in that: The two ends of the spring are welded with threaded heads, one end of the thread is used to connect with the threaded sleeve and then connected to the threaded end of the upper support steel plate, and the other end of the thread is used to connect with the fixing nut of the lower support steel plate.

4. The adaptive test column displacement device according to claim 1, characterized in that: The threaded sleeve is provided with an internal threaded hole; the internal thread at one end of the threaded sleeve is connected to the threaded end of the upper supporting steel plate, and the other end is connected to the threaded end of the spring.

5. The adaptive test column displacement device according to claim 1, characterized in that: The rubber block is composed of two concave rubber blocks, and a plurality of vertical holes are opened in the thickness direction of the concave rubber block. The positions of the vertical holes are the same as the positions of the cylindrical ends of the upper supporting steel plates.

6. The adaptive test column displacement device according to claim 1, characterized in that: The left and right steel plate locking device is composed of two rectangular steel blocks with a hole in the middle, which are welded to both sides of the upper and lower supporting steel plates and are used to connect the left and right upper supporting steel plates and the left and right lower supporting steel plates.

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