A scaffolding fastener test tool

Abstract

A scaffolding fastener test fixture belongs to the technical field of engineering inspection equipment; by setting up a debugging frame, when the guide rail group is assembled on the installation base plate, the installation base plate can be fixedly connected to the load-bearing base plate in advance by screws, and then the sliding block can be pushed by turning the adjusting screw, so as to achieve fine-tuning of the guide rail and increase the assembly efficiency of the test fixture; by setting up a lifting cylinder, when testing the fastener, the two clamping plates can be pressed to remove the pin from the positioning hole, and the height of the lower pressure block can be quickly adjusted by moving the height of the lifting cylinder up and down; by setting up a clamping group, after the fastener to be tested is clamped on the clamping group, the adjusting gear can be turned by an Allen wrench to rotate the clamped fastener, so that the fastener to be tested and the lower pressure block can be aligned conveniently, the fastener can be tested conveniently, and the inspection efficiency is increased.

Description

Technical Field

[0001] The invention belongs to the technical field of engineering detection equipment, and in particular relates to a scaffold fastener test tool. Background Art

[0002] In the construction of projects such as architecture, municipal administration, water conservancy, chemical industry, metallurgy, coal and shipbuilding, a large number of steel pipe scaffoldings are used to adapt to the development of engineering construction. The connections between the scaffolding steel pipes are made with various fasteners that meet national standards, such as right-angle fasteners, rotating fasteners, butt fasteners, etc. Among them, right-angle fasteners are used to connect two mutually perpendicular steel pipes. In order to ensure the safety of the connection, the connection performance of the right-angle fasteners must meet national standards, such as the anti-slip performance and anti-torsional stiffness performance of the right-angle fasteners. At present, the industry still uses different test devices to test the torsional stiffness of fasteners. The existing test devices are inefficient, non-standard, and have low versatility. The measurement accuracy is not high, and therefore there are safety hazards. Summary of the Invention

[0003] The present invention mainly solves the technical problems existing in the above-mentioned prior art and provides a scaffold fastener testing tool.

[0004] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0005] Preferably, a gantry is provided between the two groups of guide rail groups, the bottom of the gantry is fixedly connected to the connecting plates of the two groups of guide rail groups, a lifting cylinder is slidably connected to the middle position of the gantry, the upper end of the lifting cylinder is provided with a lower support plate, and a plurality of positioning holes are equidistantly provided on the left and right sides of the lifting cylinder, a lower pressure rod is slidably connected in the lifting cylinder, the upper end of the lower pressure rod is provided with an upper support plate, the lower pressure rod between the upper support plate and the lower support plate is provided with a first spring, and the lower end of the lower pressure rod is provided with a lower pressure block.

[0006] Preferably, two rotating shafts are symmetrically provided on the gantries on both sides of the lifting cylinder, and a clamping plate is sleeved on the two rotating shafts. Pins that cooperate with positioning holes are provided on the inner side surfaces of the rear ends of the two clamping plates, and a second spring is connected between the front ends of the two clamping plates.

[0007] Preferably, two groups of clamping groups are provided on the bearing support plate between the two guide rails, and each group of the clamping groups includes a mounting base fixedly connected to the bearing base plate, the upper surface of the mounting base is rotatably connected to a rotating gear seat, the upper end of the rotating gear seat is fixedly connected to a clamping sleeve, and an adjustment gear is rotatably connected to the mounting base on the outer side of the rotating gear seat, and an inner hexagonal countersunk hole is provided on the upper surface of the adjusting gear, and the adjusting gear is meshed with the rotating gear seat.

[0008] The present invention has the beneficial effects:

[0009] By setting up a debugging frame, when assembling the guide rail assembly on the mounting base, the mounting base can be fixedly connected to the bearing base with screws in advance, and then the sliding block can be pushed by turning the adjusting screw to achieve fine adjustment of the guide rail, thereby increasing the assembly efficiency of the test fixture;

[0010] By setting up a lifting cylinder, when testing the fastener, you can press the two clamping plates to move the pin out of the positioning hole. By moving the height of the lifting cylinder up and down, you can quickly adjust the height of the lower pressure block.

[0011] By setting up a clamping group, after the fastener to be inspected is clamped on the clamping group, the clamped fastener can be rotated by turning the adjustment gear with an Allen wrench, making it convenient to align the fastener to be inspected with the lower pressure block, facilitating the inspection of the fastener and increasing inspection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention;

[0013] Figure 2 It is a structural schematic diagram of the debugging rack of the present invention;

[0014] Figure 3 This is a structural schematic diagram of the clamping plate of the present invention;

[0015] Figure 4 This is a diagram showing a state of use of a right-angle fastener during an experiment conducted by the present invention;

[0016] Figure 5 This is a usage state diagram of the present invention for conducting experiments on buttons.

[0017] In the figure: 1. Load-bearing base plate; 2. Mounting base plate; 3. Guide rail; 4. Sliding block; 5. Connecting plate; 6. Vertical part; 7. Horizontal part; 8. Push block; 9. Adjusting screw; 10. Gantry; 11. Lifting cylinder; 12. Lower support plate; 13. Positioning hole; 14. Lower pressure rod; 15. Upper support plate; 16. First spring; 17. Lower pressure block; 18. Rotating shaft; 19. Clamping plate; 20. Pin; 21. Second spring; 22. Mounting base; 23. Rotating gear seat; 24. Clamping sleeve; 25. Adjusting gear; 26. Hexagonal countersunk hole. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0019] Example: A scaffold fastener test tool, such as Figure 1-Figure 5 As shown, it includes a bearing base plate 1, and a group of guide rail groups are respectively provided on both sides of the upper surface of the bearing base plate 1, and each group of guide rail groups includes a mounting base plate 2 fixedly connected to the bearing base plate 1, and a guide slide rail 3 is provided on the outer side of the upper surface of the mounting base plate 2, and the guide slide rail 3 is fixedly connected to the mounting base plate 2 by screws. Two sliding blocks 4 are slidably connected to the guide slide rail 3, and a connecting plate 5 is mounted between the two sliding blocks 4. A group of debugging frames are provided on the mounting base plate 2 on the inner side of the front and rear ends of the guide slide rail 3, and the debugging frame includes a vertical portion 6 and a horizontal portion 7, and the horizontal portion 7 is attached to the upper surface of the mounting base plate 2, and the vertical portion 6 is fixedly connected to the inner side of the mounting base plate 2, and a push block 8 is slidably connected to the horizontal portion 7. The outer side of the push block 8 The end is against the guide slide rail 3, and the upper end of the vertical part 6 is threadedly connected to an adjusting screw 9, and the inner end of the adjusting screw 9 is against the push block 8; a gantry 10 is set between the two groups of guide rail groups, and the bottom of the gantry 10 is fixedly connected to the connecting plate 5 of the two groups of guide rail groups, and a lifting cylinder 11 is slidably connected to the middle position of the gantry 10, and the upper end of the lifting cylinder 11 is provided with a lower support plate 12, and a plurality of positioning holes 13 are equidistantly provided on the left and right sides of the lifting cylinder 11, and a lower pressure rod 14 is slidably connected in the lifting cylinder 11, and the upper end of the lower pressure rod 14 is provided with an upper support plate 15, and the lower pressure rod 14 between the upper support plate 15 and the lower support plate 12 is provided with a first spring 16, and the lower end of the lower pressure rod 14 is provided with a lower pressure block 17.

[0020] Two rotating shafts 18 are symmetrically provided on the gantry 10 on both sides of the lifting cylinder 11, and a clamping plate 19 is sleeved on each of the rotating shafts 18. The inner side surfaces of the rear ends of the two clamping plates 19 are provided with pins 20 that cooperate with the positioning holes 13, and a second spring 21 is connected between the front ends of the two clamping plates 19; two groups of clamping groups are provided on the bearing abutment plate between the two guide rails 3, each group of the clamping groups includes a mounting base 22 fixedly connected to the bearing base plate 1, and the upper surface of the mounting base 22 is rotatably connected to a rotating gear seat 23, and the upper end of the rotating gear seat 23 is fixedly connected to a clamping sleeve 24, and an adjusting gear 25 is rotatably connected to the mounting base 22 outside the rotating gear seat 23, and the upper surface of the adjusting gear 25 is provided with an inner hexagonal countersunk hole 26, and the adjusting gear 25 is meshed with the rotating gear seat 23.

[0021] The principle of the present invention is as follows: first, when assembling the test fixture, the two guide rail groups are arranged in parallel, and the two clamping groups are arranged in the middle of the two guide rail groups;

[0022] 1. When it is necessary to test the right-angle fastener, first connect and fix the two steel pipes with the right-angle fastener, insert one of the steel pipes into the clamping sleeve 24 of one of the clamping groups, and clamp it. The two steel pipes are set at 90° to each other. According to the height of the horizontal steel pipe, adjust the height of the lifting cylinder 11, adjust the height of the lower pressure block 17 to a position 10 cm to 15 cm above the horizontal steel pipe, and use the pin 20 to fix the lifting cylinder 11. Use the hydraulic test equipment to press down the upper support plate 15, drive the lower pressure rod 14 to press down, and use the lower pressure block 17 to apply pressure to the horizontal steel pipe to achieve the detection of the right-angle fastener.

[0023] 2. When it is necessary to test the disc buckle, first insert the two steel pipes equipped with the disc buckle into the clamping sleeves 24 of the two clamping groups respectively, and fix them together. Connect the horizontal rod between the two disc buckles and connect them with the two disc buckles. According to the height of the horizontal rod, adjust the height of the lifting cylinder 11, adjust the height of the lower pressure block 17 to a position 10 cm to 15 cm above the horizontal rod, and use the pin 20 to fix the lifting cylinder 11. Press down the upper support plate 15 through the hydraulic test equipment, drive the lower pressure rod 14 to press down, and use the lower pressure block 17 to apply pressure to the horizontal rod to realize the detection of the disc buckle.

[0024] Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above embodiments and is susceptible to numerous variations. Any simple modifications, equivalent variations, and modifications to the above embodiments based on the technical essence of the present invention are deemed to fall within the scope of protection of the present invention.

Claims

1. A scaffold fastener test fixture, comprising a load-bearing base plate (1), characterized in that: A set of guide rails is provided on each side of the upper surface of the bearing base plate (1), and each set of guide rails includes a mounting base plate (2) fixedly connected to the bearing base plate (1). A guide rail (3) is provided on the outer side of the upper surface of the mounting base plate (2), and the guide rail (3) is fixedly connected to the mounting base plate (2) by screws. Two sliding blocks (4) are slidably connected to the guide rail (3), and a connecting plate (5) is provided between the two sliding blocks (4). The mounting base plates on the inner sides of the front and rear ends of the guide rail (3) are connected to the guide rail (3). A set of debugging frames are provided on each plate (2), and the debugging frames include a vertical portion (6) and a horizontal portion (7). The horizontal portion (7) is attached to the upper surface of the mounting base plate (2), and the vertical portion (6) is fixedly connected to the inner side surface of the mounting base plate (2). A push block (8) is slidably connected to the horizontal portion (7), and the outer end of the push block (8) abuts against the guide rail (3). The upper end of the vertical portion (6) is threadedly connected to an adjusting screw (9), and the inner end of the adjusting screw (9) abuts against the push block (8); A gantry (10) is provided between the two groups of guide rail groups, the bottom of the gantry (10) is fixedly connected to the connecting plates (5) of the two groups of guide rail groups, a lifting cylinder (11) is slidably connected to the middle position of the gantry (10), the upper end of the lifting cylinder (11) is provided with a lower support plate (12), a plurality of positioning holes (13) are equidistantly provided on the left and right sides of the lifting cylinder (11), a lower pressure rod (14) is slidably connected in the lifting cylinder (11), the upper end of the lower pressure rod (14) is provided with an upper support plate (15), a first spring (16) is sleeved on the lower pressure rod (14) between the upper support plate (15) and the lower support plate (12), and a lower pressure block (17) is provided at the lower end of the lower pressure rod (14); Two groups of clamping groups are provided on the bearing support plate between the two guide rails (3), and each group of the clamping groups includes a mounting base (22) fixedly connected to the bearing base plate (1), the upper surface of the mounting base (22) is rotatably connected to a rotating gear seat (23), the upper end of the rotating gear seat (23) is fixedly connected to a clamping sleeve (24), and an adjusting gear (25) is rotatably connected to the mounting base (22) outside the rotating gear seat (23), the upper surface of the adjusting gear (25) is provided with an inner hexagonal countersunk hole (26), and the adjusting gear (25) is meshed with the rotating gear seat (23).

2. A scaffolding fastener test tool according to claim 1, characterized in that: Two rotating shafts (18) are symmetrically provided on the gantry (10) on both sides of the lifting cylinder (11), and a clamping plate (19) is sleeved on each of the rotating shafts (18). A pin (20) that cooperates with the positioning hole (13) is provided on the inner side surface of the rear end of the two clamping plates (19), and a second spring (21) is connected between the front ends of the two clamping plates (19).

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