Device for detecting impact resistance of fiber cement board

Abstract

The utility model relates to the technical field of detection devices, in particular to a device for detecting the impact resistance of a fiber cement board. Comprising a base, one side of the base is provided with a vertical plate, the front side of the vertical plate is provided with a first guide cylinder, the back side of the vertical plate is rotatably connected with a vertical screw rod, the first guide cylinder is slidably connected with an impact hammer, the top of a guide rod of the impact hammer is provided with a hanging disc, the screw rod is in transmission connection with a motor, and the vertical plate is slidably connected with a lifting device. An L-shaped plate is arranged on the rear side of the lifting device, a threaded hole connected with the screw rod is formed in the bottom of the L-shaped plate, clamping plates are slidably connected to the two sides of the front portion of the lifting device, a movable iron core of a first electromagnet is connected with the clamping plates, a safety fork capable of moving up and down is arranged on the front side of the lifting device, and a second electromagnet is connected with the safety fork. The impact hammer does not need to be lifted manually, and labor is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field especially relates to a kind of fiber cement board impact resistance detection device. BACKGROUND

[0002] Fiber cement board is a new type of building material, which is composed of cement, fiber, fine sand and other additives. It has the advantages of light weight, high strength, fireproof, waterproof, sound insulation, heat insulation, corrosion resistance, etc. and is widely used in construction, decoration, partition, sound insulation, fireproofing and other fields. Patent No. 201620562057.5 discloses a kind of fiber cement board impact resistance detection device, which comprises a base, a first support, a second support, a guide assembly and an impact assembly. The lower ends of the first support and the second support are fixed to the base. The guide assembly is used to guide the impact assembly. When using the detection device, the fiber cement board can be placed on the base, and the sliding guide rod can be lifted upwards to maintain a predetermined distance between the impact hammer and the fiber cement board. Then release the sliding guide rod. At this time, the impact hammer and the sliding guide rod fall under the action of gravity and impact the fiber cement board, thereby realizing the detection of the impact resistance of the fiber cement board. However, it is labor-intensive to manually lift the impact hammer. SUMMARY

[0003] The purpose of the utility model is to provide a kind of fiber cement board impact resistance detection device to solve the above problems.

[0004] The utility model realizes the above-mentioned purpose by the following technical scheme: a kind of fiber cement board impact resistance detection device, comprising a base, the side of the base is provided with vertical plate, the front side of the vertical plate is provided with first guide cylinder, the back side is rotatably connected with vertical screw rod, the first guide cylinder is slidably connected with impact hammer, the top of the guide rod of the impact hammer is provided with hanging disc, the screw rod is connected with motor drive, the vertical plate is slidably connected with lifting device, the back side of the lifting device is provided with L-shaped plate, the bottom of the L-shaped plate is provided with screw hole connected with screw rod, the front of the lifting device is slidably connected with clamping plate on both sides, the moving iron core of first electromagnet is connected with clamping plate, the front side of the lifting device is provided with up-and-down movable safety fork, the moving iron core of second electromagnet is connected with safety fork.

[0005] Preferably, the back side of the vertical plate is provided with second guide cylinder on both sides, and the lifting device is provided with guide column slidably connected with the second guide cylinder.

[0006] Preferably, a plurality of clamps are provided on the base.

[0007] Preferably, the clamp comprises a threaded hole provided on one side of the pressing plate and a bolt is screwed into the threaded hole.

[0008] Compared with the prior art, the utility model has the advantages that: the two sides of the front part of the lifting device are provided with clamping plates driven by first electromagnets, and a safety fork driven by a second electromagnet is further arranged, when the first electromagnet is powered off, the two clamping plates are respectively located on the two sides of the guide rod and below the hanging disc, so that the impact hammer can be lifted after the lifting device is lifted, and manual lifting of the impact hammer is not needed, which is more labor-saving, the safety fork can prevent the impact hammer from falling during the lifting process and the process of placing the fiber cement board on the base after being lifted, and safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a front axle side view of a fiber cement board impact resistance performance detection device.

[0010] Figure 2 It is a front axle side view of a fiber cement board impact resistance performance detection device. Figure 1 It is an enlarged view of the middle I.

[0011] Figure 3 It is a rear axle side view of a fiber cement board impact resistance performance detection device.

[0012] In the figure: 1, base; 2, vertical plate; 21, second guide cylinder; 3, lifting device; 31, first electromagnet; 32, second electromagnet; 33, clamping plate; 34, safety fork; 35, L-shaped plate; 4, impact hammer; 41, guide rod; 42, hanging disc; 5, clamp; 6, motor; 7, screw rod. DETAILED DESCRIPTION

[0013] In order to make the utility model's utility model purpose, feature, advantage can be more obvious and easy to understand, the following will combine the drawings in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, the following described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the scope of the utility model protection.

[0014] DETAILED DESCRIPTION: in combination with Figures 1-3As shown, a kind of fiber cement board impact resistance testing device, including base 1, the side of the base 1 is provided with vertical plate 2, the front side of the vertical plate 2 is provided with first guide cylinder, back side rotationally connected with vertical screw rod 7, first guide cylinder is also vertical state, the impact hammer 4 of first guide cylinder slidingly connected, the top of the guide bar 41 of the impact hammer 4 is provided with hanging disc 42, the diameter of hanging disc 42 is greater than the diameter of guide bar 41, the screw rod 7 is connected with motor 6 transmission, the vertical plate 2 is slidingly connected with lifting device 3, the rear side of the lifting device 3 is provided with L-shaped plate 35, the bottom of the L-shaped plate 35 is provided with the screw hole connected with screw rod 7, screw rod 7 rotates to make lifting device 3 ascend or descend, the front of the lifting device 3 its both sides are slidingly connected with clamping plate 33, the moving iron core of first electromagnet 31 is connected with clamping plate 33, and first electromagnet 31 is located at the outside of clamping plate 33, when the moving iron core of first electromagnet 31 is in the state of extension (at this time, power off), the distance between two clamping plates 33 is less than the diameter of hanging disc 42 and equal to or slightly greater than the diameter of guide bar 41, when the moving iron core of first electromagnet 31 is in the state of retraction, the distance between two clamping plates 33 is greater than the diameter of hanging disc 42, the front side of the lifting device 3 is provided with the safety fork 34 that can be up and down, the moving iron core of second electromagnet 32 is connected with safety fork 34, when the moving iron core of first electromagnet 31 is in the state of extension, the distance between the outside of two clamping plates 33 (set as A) is less than the distance between the two fork plates of safety fork 34 (set as B), and B is less than the sum of A and C, and C is the difference between the diameter of hanging disc 42 and guide bar 41. At the beginning, as Figure 1As shown, the impact hammer 4 falls on the base 1, the device is in the power-off state, the two clamping plates 33 are respectively located on both sides of the guide rod 41 and below the hanging disc 42, the two clamping plates 33 are located between the two fork plates of the safety fork 34, the motor 6 is started, the lifting device 3 rises to the required height, and then the fiber cement board is placed on the base 1, then the second electromagnet 32 is powered on, the moving iron core is retracted, the safety fork 34 is located above the two clamping plates 33, then the two first electromagnets 31 are powered on, the two clamping plates 33 are separated to the two sides, the impact hammer 4 falls to impact the fiber cement board to detect its impact resistance, at this time the three electromagnets are still in the powered-on state, then the lifting device 3 is lowered to the original position, and then the three electromagnets are powered off (in order not to have to power off the second electromagnet 32, the two clamping plates 33 can be designed to have a distance between the inner sides smaller than the width of the safety fork 34 after the first electromagnet 31 is powered on to separate the two clamping plates 33, so that the safety fork 34 cannot fall between the two clamping plates 33 to cause the two clamping plates 33 to be unable to approach), and the two clamping plates 33 are respectively located on both sides of the guide rod 41 and below the hanging disc 42, so as to lift the impact hammer 4 next time. Due to the presence of the safety fork 34, the two clamping plates 33 cannot be widely separated to the two sides during lifting of the impact hammer 4 and placement of the fiber cement board, so that the impact hammer 4 cannot fall off, thereby improving the safety.

[0015] In order to further improve the automation level and make the operation simple, a controller can be configured, and the motor 6 and the three electromagnets are electrically connected to the controller.

[0016] A T-shaped or dovetail-shaped guide rail can be arranged on the lifting device 3, and a corresponding groove matched with the clamping plate 33 is arranged on the clamping plate 33 to realize the sliding connection between the clamping plate 33 and the lifting device 3. A guide plate with a through slot can also be arranged on the bottom surface of the lifting device 3, the through slot penetrates through the front and rear sides of the guide plate, the clamping plate 33 passes through the through slot, and the clamping plate 33 is provided with sliding plates on both sides of the through slot and the distance between the two sliding plates is equal to the size of the guide plate in the front-rear direction, the height of the sliding plate is greater than the height of the through slot, and the sliding plate also has a certain length to realize the sliding connection between the clamping plate 33 and the lifting device 3.

[0017] Specifically, the two sides of the rear side of the vertical plate 2 are also provided with second guide cylinders 21, and the lifting device 3 is provided with guide columns in sliding connection with the second guide cylinders 21, so as to realize the sliding connection between the lifting device 3 and the vertical plate 2.

[0018] Further, a plurality of clamps 5 are arranged on the base 1 to fix the fiber cement board on the base 1.

[0019] Specifically, the clamp 5 comprises a stud arranged on the base 1, and further comprises a pressing plate, a long hole is arranged in the middle of the pressing plate, the stud is located in the long hole, a nut is arranged on the side of the stud away from the base 1, and a threaded hole is arranged on one side of the pressing plate and penetrates through the upper and lower sides of the pressing plate, and a bolt is threadedly connected to the threaded hole. The nut is loosened, the pressing plate can be moved up and down and rotated, and can also be pulled along the extension direction of the long hole. After the fiber cement board is placed on the base 1, the end of the pressing plate away from the bolt is pressed on the upper surface of the fiber cement board, then the bolt is screwed, the length of the bolt extending downward is equal to or slightly smaller than the thickness of the fiber cement board, then the nut is tightened, and the fiber cement board can be fixed.

[0020] The circuit and electronic components and modules are all prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of software and methods.

[0021] The above-described and above-mentioned embodiments are only used to illustrate the technical solutions of the utility model, and are not limited thereto; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A device for detecting the impact resistance of fiber cement boards, comprising a base (1), characterized in that: One side of the base (1) is provided with a vertical plate (2), the front side of the vertical plate (2) is provided with a first guide cylinder, the back side is rotatably connected with a vertical screw rod (7), the first guide cylinder is slidably connected with a impact hammer (4), the top of the guide rod (41) of the impact hammer (4) is provided with a hanging disc (42), the screw rod (7) is drivingly connected with a motor (6), the vertical plate (2) is slidably connected with a lifting device (3), the back side of the lifting device (3) is provided with an L-shaped plate (35), the bottom of the L-shaped plate (35) is provided with a threaded hole connected with the screw rod (7), the front part of the lifting device (3) is slidably connected with a clamping plate (33) on both sides, the moving iron core of a first electromagnet (31) is connected with the clamping plate (33), the front side of the lifting device (3) is provided with an up-and-down movable safety fork (34), the moving iron core of a second electromagnet (32) is connected with the safety fork (34).

2. The fiber cement board impact resistance detection device according to claim 1, wherein: The back side of the vertical plate (2) is also provided with a second guide cylinder (21) on both sides, the lifting device (3) is provided with a guide column slidably connected with the second guide cylinder (21).

3. The device for detecting the impact resistance of a fiber cement board according to any one of claims 1-2, characterized in that: A plurality of clamps (5) are further provided on the base (1).

4. The fiber cement board impact resistance detection device according to claim 3, wherein: The clamp (5) comprises a stud provided on the base (1), further comprises a pressing plate, the middle part of the pressing plate is provided with a long hole, the stud is located in the long hole, the side of the stud away from the base (1) is provided with a nut, one side of the pressing plate is provided with a threaded hole and the threaded hole is threadedly connected with a bolt.

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