Building steel structure testing machine

Abstract

The utility model belongs to the technical field of testing and detection, and particularly relates to a building steel structure testing machine which comprises a support, a lifting assembly fixed on the support and used for lifting a steel structure, a centering limiting assembly arranged on the lifting assembly, and a pair of rotating assemblies which are fixed on the centering limiting assembly and are symmetrical left and right, a downward pressing test assembly is fixed to the center of the bottom of the centering limiting assembly, the centering limiting assembly comprises a mounting base fixed to the lifting assembly, a transverse rod is fixed to the lower end of the mounting base, and a side air cylinder pushes a pull rod to slide in an arc-shaped notch so as to drive a semi-driving gear to rotate clockwise or anticlockwise; due to the fact that the semi-driving gear and the full-driven gear are meshed with each other, the full-driven gear drives the limiting disc to rotate at the moment, then the steel structure is driven to rotate, different faces of the steel structure can be conveniently tested, manual operation is not needed, labor force is reduced, labor cost is reduced, and the flexibility of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of testing and detection, specifically relates to a building steel structure testing machine. BACKGROUND

[0002] The building steel structure testing machine is a device for testing and evaluating the strength, stability and durability of building steel structures, which can simulate real working loads and environments, and perform static and dynamic physical tests on building steel structures, and usually includes a base, a pressure plate and a hydraulic system.

[0003] According to CN 220019153 U a building steel structure testing machine, including the box, the top of the box is fixedly connected with the hydraulic rod, the output shaft of the hydraulic rod penetrates the top of the box and is fixedly connected with the pressure sensor, the outside of the box is fixedly installed with the fixed block near the bottom position, the inside of the box is provided with a cleaning clamping structure, the cleaning clamping structure includes screw rod, L-shaped block and clamp positioning block, the both ends of the two screw rods are rotatably connected with the protruding positions of the fixed block, and the two L-shaped blocks are symmetrically fixedly connected with the rear of the box near the both ends position.The utility model discloses a building steel structure testing machine, through the setting of cleaning clamping structure, the rotation of screw rod drives the movement of cleaning block, and the square block is matched with each other, the steel material to be tested can be clamped, and after the test is finished, the cleaning block can be moved to clean the whole workbench, manpower is saved, efficiency is improved, and the functionality of the device is enhanced.

[0004] Although it realizes the testing function of the steel structure, in the actual operation process, in order to improve the diversity of the test, the bearing capacity of different surfaces of the steel structure needs to be tested, which needs manual angle adjustment before the steel structure is fixed, the flexibility is poor, and due to the heavy weight of the steel structure, it is time-consuming and laborious to adjust the angle, and a large amount of labor is needed, and the labor cost is high. Utility model content

[0005] To solve the problems in the background art, the utility model provides a building steel structure testing machine, which comprises a support and a lifting assembly for lifting the steel structure fixed on the support, a centering and limiting assembly arranged on the lifting assembly, and a pair of left-right symmetrical rotating assemblies fixed on the centering and limiting assembly, and a lower pressing testing assembly fixed at the center of the bottom of the centering and limiting assembly.

[0006] The centering and limiting assembly comprises a mounting seat fixed on the lifting assembly, a horizontal rod fixed at the low end of the mounting seat, and a first sliding rail fixed horizontally at the bottom of the horizontal rod.

[0007] As the utility model is one kind and is fixed on the top of the horizontal pole left cylinder and right cylinder, the piston rod of left cylinder and right cylinder is respectively fixed with left triangular frame and right triangular frame.

[0008] As the utility model is one kind and is fixed on the top of the horizontal pole left cylinder and right cylinder, the piston rod of left cylinder and right cylinder is respectively fixed with left triangular frame and right triangular frame.

[0009] As the utility model is one kind and is fixed on the top of the horizontal pole left cylinder and right cylinder, the piston rod of left cylinder and right cylinder is respectively fixed with left triangular frame and right triangular frame.

[0010] As the utility model is one kind and is fixed on the top of the horizontal pole left cylinder and right cylinder, the piston rod of left cylinder and right cylinder is respectively fixed with left triangular frame and right triangular frame.

[0011] As the utility model is one kind and is fixed on the top of the horizontal pole left cylinder and right cylinder, the piston rod of left cylinder and right cylinder is respectively fixed with left triangular frame and right triangular frame.

[0012] As the utility model is one kind and is fixed on the top of the horizontal pole left cylinder and right cylinder, the piston rod of left cylinder and right cylinder is respectively fixed with left triangular frame and right triangular frame.

[0013] As the utility model is one kind and is fixed on the top of the horizontal pole left cylinder and right cylinder, the piston rod of left cylinder and right cylinder is respectively fixed with left triangular frame and right triangular frame.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The steel structure is placed between the limiting grooves of the two rotating assemblies, the left slider and the right slider on the left triangular frame and the right triangular frame are driven by the left cylinder and the right cylinder to slide inwards or outwards on the first slide rail, the left slider and the right slider slide inwards or outwards on the first slide rail, the two rotating assemblies are driven to approach or move away from each other, the steel structure is fixed and disassembled, the side cylinder drives the pull rod to slide in the arc-shaped gap, and then drives the semi-driving gear to rotate clockwise or counterclockwise, since the semi-driving gear and the full-driven gear are meshed with each other, the limiting disc is driven to rotate by the full-driven gear at this time, and then the steel structure is driven to rotate, different surfaces of the steel structure are conveniently tested, manual operation is not needed, labor is reduced, labor cost is reduced, and flexibility of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. 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 labor on the basis of these drawings.

[0017] Figure 1 It is a structural schematic diagram of the building steel structure testing machine of the present application.

[0018] Figure 2 It is a structural schematic diagram of the limiting assembly in the building steel structure testing machine of the present application.

[0019] Figure 3 It is Figure 2 It is an enlarged structural schematic diagram of position A in the building steel structure testing machine of the present application.

[0020] Figure 4 It is a front view structural schematic diagram of the limiting assembly in the building steel structure testing machine of the present application.

[0021] In the drawings:

[0022] 1, support; 2, lifting assembly; 3, centering and limiting assembly; 31, mounting seat; 32, cross rod; 33, first slide rail; 34, left cylinder; 341, left triangular frame; 35, right cylinder; 351, right triangular frame; 36, left slider; 37, right slider; 4, rotating assembly; 41, vertical plate; 42, side cylinder; 43, rectangular support; 431, semi-driving gear; 432, full-driven gear; 433, arc-shaped gap; 434, pull rod; 435, limiting disc; 436, limiting groove; 5, downward pressing testing assembly; 51, U-shaped support; 52, downward pressing cylinder; 53, downward pressing head. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model. Embodiment 1

[0024] As Figure 1 indicated in the figure;

[0025] A building steel structure testing machine comprises a support 1 and a lifting assembly 2 fixed on the support 1 for lifting the steel structure.

[0026] In the embodiment: to solve the technical problems existing in the prior art, as disclosed in the background art, "although the testing function of the steel structure is realized, in the actual operation process, in order to improve the diversity of the test, the bearing capacity of different surfaces of the steel structure needs to be tested, and the angle needs to be adjusted before the steel structure is fixed, and due to the large weight of the steel structure, it is time-consuming and laborious to adjust the angle, a large amount of labor is required, and the labor cost is high", in combination with the actual use, this problem is obviously a real problem and is relatively difficult to solve, therefore, to solve this technical problem, the rotating assembly 4 is added on this basis.

[0027] As Figures 1-4 indicated in the figure;

[0028] In combination with the above, in order to reduce the labor force, reduce the labor cost, and improve the flexibility of the device, a centering and limiting assembly 3 arranged on the lifting assembly 2 and a pair of left-right symmetrical rotating assemblies 4 fixed on the centering and limiting assembly 3 are further included, and a lower pressing testing assembly 5 is fixed at the bottom center of the centering and limiting assembly 3.

[0029] The centering and limiting assembly 3 comprises a mounting seat 31 fixed on the lifting assembly 2, a horizontal rod 32 fixed at the low end of the mounting seat 31, and a first sliding rail 33 fixed horizontally at the bottom of the horizontal rod 32.

[0030] In an optional embodiment, a left air cylinder 34 and a right air cylinder 35 are fixedly installed at the top of the horizontal rod 32, a left triangular frame 341 and a right triangular frame 351 are respectively fixed to the piston rods of the left air cylinder 34 and the right air cylinder 35, a left sliding block 36 and a right sliding block 37 are respectively fixed to the left triangular frame 341 and the right triangular frame 351, and the left sliding block 36 and the right sliding block 37 are respectively clamped at both ends of the first sliding rail 33 and slide left and right on the first sliding rail 33.

[0031] In the embodiment, the left slider 36 and the right slider 37 on the left triangular frame 341 and the right triangular frame 351 are driven by the left cylinder 34 and the right cylinder 35 to slide on the first slide rail 33 inwards or outwards respectively.

[0032] In an alternative embodiment, the rotating assembly 4 comprises a vertical plate 41 fixed at the bottom of the left slider 36 and the right slider 37, a side cylinder 42 movably arranged on the side wall of the vertical plate 41, a rectangular support 43 arranged at the bottom of the vertical plate 41, a semi-active gear 431 and a full-driven gear 432 arranged inside the rectangular support 43 through bearings, and the semi-active gear 431 and the full-driven gear 432 are meshed with each other, an arc-shaped notch 433 is formed on the side wall of the rectangular support 43, a pull rod 434 is movably arranged on the piston rod of the side cylinder 42, the pull rod 434 is eccentrically arranged in the side wall of the semi-active gear 431 through the arc-shaped notch 433, the pull rod 434 is matched with the arc-shaped notch 433 and slides inside the arc-shaped notch 433, a limiting disc 435 is movably arranged on the inner side wall of the rectangular support 43 through a bearing, a limiting groove 436 is formed on the inner side wall of the limiting disc 435, and the limiting disc 435 is connected with the full-driven gear 432.

[0033] In the embodiment, the left slider 36 and the right slider 37 slide inwards or outwards on the first slide rail 33, drive the two rotating assemblies 4 to move close to or away from each other, and fix or disassemble the steel structure, the side cylinder 42 drives the pull rod 434 to slide inside the arc-shaped notch 433, and then drives the semi-active gear 431 to rotate clockwise or counterclockwise, and since the semi-active gear 431 and the full-driven gear 432 are meshed with each other, the limiting disc 435 is driven to rotate by the full-driven gear 432.

[0034] In an alternative embodiment, the lower pressing test assembly 5 comprises a U-shaped support 51 and a lower pressing cylinder 52 fixed on the cross bar 32, a lower pressing head 53 slidingly arranged on the U-shaped support 51 slides up and down, and the piston rod of the lower pressing cylinder 52 is fixedly connected with the top of the lower pressing head 53.

[0035] In the embodiment, the lower pressing cylinder 52 drives the lower pressing head 53 to move downwards, and then the steel structure is subjected to a bearing capacity test.

[0036] The working principle of the utility model:

[0037] The steel structure is placed between the limiting grooves 436 of the two rotating assemblies 4, the left slider 36 and the right slider 37 on the left triangular frame 341 and the right triangular frame 351 are driven by the left air cylinder 34 and the right air cylinder 35 to slide on the first sliding rail 33 inwards or outwards, the left slider 36 and the right slider 37 slide on the first sliding rail 33 inwards or outwards, the two rotating assemblies 4 are driven to move close to or away from each other, the steel structure is fixed and disassembled, the side air cylinder 42 drives the pull rod 434 to slide in the arc-shaped gap 433, and then drives the semi-driving gear 431 to rotate clockwise or counterclockwise, since the semi-driving gear 431 and the full-driven gear 432 are meshed with each other, the limiting disc 435 is driven to rotate by the full-driven gear 432 at this time, and then the steel structure is driven to rotate, different surfaces of the steel structure are conveniently tested, manual operation is not needed, labor is reduced, labor cost is reduced, and flexibility of the device is improved.

[0038] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A machine for testing building steel structures, comprising a support (1) and a lifting assembly (2) fixed to the support (1) for lifting the steel structure, characterized in that: Also include the centering limiting assembly (3) arranged on the lifting assembly (2), and a pair of left and right symmetrical rotating assemblies (4) fixed on the centering limiting assembly (3), the bottom center of the centering limiting assembly (3) is fixed with a lower pressure test assembly (5); The centering limiting assembly (3) includes a mounting seat (31) fixed on the lifting assembly (2), and the lower end of the mounting seat (31) is fixed with a cross bar (32), and the bottom of the cross bar (32) is transversely fixed with a first sliding rail (33).

2. The building steel structure testing machine according to claim 1, wherein: The top of the cross bar (32) is fixedly installed with a left gas cylinder (34) and a right gas cylinder (35), and the piston rods of the left gas cylinder (34) and the right gas cylinder (35) are respectively fixed with a left tripod (341) and a right tripod (351).

3. A building steel structure testing machine according to claim 2, characterized in that: The left tripod (341) and the right tripod (351) are respectively fixed with a left sliding block (36) and a right sliding block (37), the left sliding block (36) and the right sliding block (37) are respectively clamped at both ends of the first sliding rail (33), and the left sliding block (36) and the right sliding block (37) slide left and right on the first sliding rail (33).

4. The building steel structure testing machine according to claim 1, wherein: The rotating assembly (4) includes a vertical plate (41) fixed at the bottom of the left sliding block (36) and the right sliding block (37), a side gas cylinder (42) movably arranged on the side wall of the vertical plate (41), and a rectangular support (43) arranged at the bottom of the vertical plate (41).

5. A building steel structure testing machine according to claim 4, characterized in that: The inside of the rectangular support (43) is provided with a semi-driven gear (431) and a full-driven gear (432) through bearings, and the semi-driven gear (431) and the full-driven gear (432) are meshed with each other, the side wall of the rectangular support (43) is provided with an arc-shaped notch (433), and the piston rod of the side gas cylinder (42) is movably provided with a pull rod (434).

6. A building steel structure testing machine according to claim 5, characterized in that: The pull rod (434) is eccentrically arranged in the side wall of the semi-driven gear (431) through the arc-shaped notch (433), the pull rod (434) is matched with the arc-shaped notch (433), and the pull rod (434) slides in the arc-shaped notch (433).

7. The building steel structure testing machine according to claim 4, wherein: The inner side wall of the rectangular support (43) is movably provided with a limiting disc (435) through a bearing, the inner side wall of the limiting disc (435) is provided with a limiting groove (436), and the limiting disc (435) is connected with the full-driven gear (432).

8. The building steel structure testing machine according to claim 1, wherein: The lower pressure test assembly (5) includes a U-shaped support (51) and a lower pressure cylinder (52) fixed on the cross bar (32), the U-shaped support (51) is slidably provided with a lower pressure head (53) sliding up and down, and the piston rod of the lower pressure cylinder (52) is fixedly connected with the top of the lower pressure head (53).

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