Drop hammer impact experiment device for pipeline detection

Abstract

The utility model relates to the technical field of drop hammer impact experiments, in particular to a drop hammer impact experiment device for pipeline detection, which comprises a pipeline storage box, an impact drop hammer structure is arranged above the pipeline storage box, and a repeated springback prevention structure is mounted on the upper surface of the pipeline storage box. And the repeated springback prevention structure comprises a fixing block, a first electric telescopic rod, a bulletproof baffle, an infrared transmitter and an infrared receiver, a pipeline clamping structure is arranged in the pipeline storage box, and a groove to be hammered and punched is formed in the upper surface of the pipeline storage box. According to the utility model, the falling impact hammer can be prevented from repeatedly and continuously impacting the pipeline to be detected by the falling impact hammer through fixing and clamping after the falling impact hammer is impacted by the repeated springback prevention structure, so that the impact detection result is prevented from being influenced, and the accurate detection value of the pipeline cannot be obtained.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipeline detection is with falling hammer impact experiment device, especially, relate to a pipeline detection is with falling hammer impact experiment device belongs to falling hammer impact experiment technical field. BACKGROUND

[0002] Pipeline falling hammer impact test is a key method for evaluating the impact resistance of pipeline materials, which detects its safety and reliability by simulating the impact force that the pipeline may suffer in use, and this test method has important significance in many fields, and pipeline falling hammer impact test plays an important role in ensuring engineering quality and safety, optimizing design, reducing maintenance cost and the like.

[0003] However, the existing pipeline detection is with falling hammer impact experiment device does not install the impact hammer anti-rebound structure, which makes the falling impact hammer repeatedly and continuously hit the pipeline to be detected when the pipeline is experimented, thereby affecting the impact detection result, and further unable to obtain the accurate detection value of the pipeline.

[0004] Therefore, it is urgent to improve the pipeline detection is with falling hammer impact experiment device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a pipeline detection is with falling hammer impact experiment device, which can prevent the falling impact hammer from repeatedly and continuously hitting the pipeline to be detected through the fixing and embedding of the anti-rebound structure after the impact of the falling impact hammer, thereby affecting the impact detection result, and further unable to obtain the accurate detection value of the pipeline.

[0006] In order to achieve the above purpose, the utility model adopts the main technical scheme, which comprises: a pipeline storage box, an impact falling hammer structure is arranged above the pipeline storage box, an anti-rebound structure is installed on the upper surface of the pipeline storage box, the anti-rebound structure comprises fixed blocks symmetrically installed on the upper surface of the pipeline storage box, first electric telescopic rods symmetrically arranged on the inner sides of both ends of the fixed blocks, bulletproof baffles installed on the telescopic ends of the two first electric telescopic rods side by side, infrared emitters symmetrically installed on the upper surfaces of one bulletproof baffle, and infrared receivers symmetrically installed on the upper surfaces of another bulletproof baffle, a pipeline clamping structure is arranged in the pipeline storage box, and a hammer impact groove is formed in the upper surface of the pipeline storage box.

[0007] Preferably, the bulletproof baffle is slidingly installed on the upper surface of the pipeline storage box, T-shaped sliding blocks are embedded and installed at both ends of the lower edge surface of the bulletproof baffle, and T-shaped sliding grooves are formed in the upper surface of the pipeline storage box and matched with the T-shaped sliding blocks.

[0008] Preferably, the T-shaped slider upper surface is provided with mounting blocks at both ends, the bulletproof baffle is provided with mounting slots matched with the mounting blocks, and the T-shaped slider is fastened and mounted on the bulletproof baffle through bolts.

[0009] Preferably, the first electric telescopic rod is provided with a connecting block at the telescopic end, the connecting block is mounted on the bulletproof baffle through bolts, the infrared emitter and the infrared receiver on the opposite side are matched with each other, and the mounting positions of the infrared emitter and the infrared receiver on the opposite side correspond to each other.

[0010] Preferably, the impact hammer structure comprises slide rods symmetrically mounted on the upper surface of the pipeline storage box, a hammer machine slidably sleeved on the two slide rods, a double-shaft driving motor arranged on the pipeline storage box and a cable connected between the double-shaft driving motor and the hammer machine.

[0011] Preferably, the hammer machine comprises a sliding base slidably sleeved on the two slide rods, a receiving groove arranged in the sliding base, second hydraulic rods symmetrically arranged in the receiving groove, clamping blocks arranged at the output ends of the second hydraulic rods, impact hammers clamped and mounted in the two clamping blocks, weights sleeved on the impact hammers and connecting rings symmetrically mounted on the sliding base.

[0012] Preferably, the two output ends of the double-shaft driving motor are provided with winding wheels, the top ends of the two slide rods are provided with a connecting rod, rotating pulleys are symmetrically and rotatably sleeved on the connecting rod, one end of the cable is connected to the winding wheels, the other end of the cable is connected to the connecting rings, and the connected cable is closely fitted above the rotating pulleys.

[0013] Preferably, the pipeline clamping structure comprises a plurality of third electric telescopic rods symmetrically arranged on the two side walls of the inner cavity of the pipeline storage box, clamping plates arranged at the telescopic ends of the third electric telescopic rods, a fourth electric telescopic rod arranged on the upper surface of the bottom of the inner cavity of the pipeline storage box and a push plate arranged at the telescopic end of the fourth electric telescopic rod, and an observation airtight door is arranged at the opening of the pipeline storage box.

[0014] The utility model at least has the following beneficial effects:

[0015] 1、The utility model can prevent the fixed block, the first electric telescopic rod, the bulletproof baffle, the infrared emitter and the infrared receiver in the repeatedly rebounding structure from being matched with each other, and the fixed clamping of the impact hammer after the impact of the falling impact hammer is carried out, so that the falling impact hammer cannot repeatedly and continuously impact the pipeline to be detected, so as to affect the impact detection result, and then the accurate detection value of the pipeline cannot be obtained. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0017] Figure 1 It is the overall structure of the utility model front view schematic diagram;

[0018] Figure 2 It is the utility model's prevent repeatedly rebound structure static assembly schematic diagram;

[0019] Figure 3 It is the utility model's impact drop hammer structure schematic diagram;

[0020] Figure 4 It is the utility model's impact hammer fastening structure schematic diagram;

[0021] Figure 5 It is the utility model's pipeline clamping structure schematic diagram;

[0022] Figure 6 It is the utility model's overall structure back view schematic diagram.

[0023] In the figure, 1, pipeline storage box;2, impact drop hammer structure;3, prevent repeatedly rebound structure;4, fixed block;5, first electric telescopic rod;6, bulletproof baffle;7, infrared emitter;8, infrared receiver;9, T-shaped slider;10, T-shaped sliding groove;11, mounting clamping block;12, mounting clamping groove;13, connecting block;14, slide bar;15, hammer machine;16, double-shaft drive motor;17, cable;18, sliding base;19, storage groove;20, second hydraulic rod;21, clamping block;22, impact hammer;23, weight;24, connecting ring;25, winding wheel;26, connecting rod;27, rotating pulley;28, third electric telescopic rod;29, clamping plate;30, fourth electric telescopic rod;31, push plate;32, observation airtight door;101, pipeline clamping structure;102, to be hammered impact groove. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

[0025] As Figures 1-6As shown, the pipeline detection hammer impact test device provided by the embodiment comprises a pipeline storage box 1, an impact hammer structure 2 is arranged above the pipeline storage box 1, a repeated rebound prevention structure 3 is installed on the upper surface of the pipeline storage box 1, the repeated rebound prevention structure 3 comprises fixed blocks 4 symmetrically installed on the upper surface of the pipeline storage box 1, first electric telescopic rods 5 symmetrically arranged at both ends of the inner side of the fixed blocks 4, bulletproof baffles 6 installed at the telescopic ends of the two first electric telescopic rods 5 side by side, infrared emitters 7 symmetrically installed on the upper surfaces of one bulletproof baffle 6, and infrared receivers 8 symmetrically installed on the upper surfaces of the other bulletproof baffle 6.

[0026] A pipeline clamping structure 101 is arranged in the pipeline storage box 1, a hammer impact groove 102 is formed in the upper surface of the pipeline storage box 1, the pipeline storage box 1 is convenient for temporarily storing the pipeline subjected to the hammer impact test, the pipeline clamping structure 101 is convenient for clamping and fixing the pipeline to be detected temporarily stored in the pipeline storage box 1, the impact hammer structure 2 is convenient for conducting the hammer impact test on the pipeline clamped and fixed in the pipeline storage box 1, and the repeated rebound prevention structure 3 is convenient for fixing and clamping the impact hammer 22 after being impacted, so that the impact hammer 22 cannot repeatedly and continuously impact the pipeline to be detected, thereby affecting the impact test result and further failing to obtain the accurate detection value of the pipeline.

[0027] The fixed blocks 4 are convenient for supporting and fixing the first electric telescopic rods 5, the first electric telescopic rods 5 are convenient for pushing the bulletproof baffles 6 to slide on the upper surface of the pipeline storage box 1, the two clamped bulletproof baffles 6 are convenient for fixing the hammer machine 15 after being impacted, the infrared emitters 7 and the infrared receivers 8 cooperate with each other to make the hammer machine 15 quickly identify, so that the impact hammer 22 can hammer the pipeline at the first time, and the first electric telescopic rods 5 quickly push the bulletproof baffles 6 to fix and intercept the rebound of the impact hammer 22, and the hammer impact groove 102 is convenient for the impact hammer structure 2 to impact and detect the pipeline clamped in the pipeline clamping structure 101.

[0028] Further, as shown in Figure 2 and Figure 5 , the bulletproof baffles 6 are slidingly installed on the upper surface of the pipeline storage box 1, T-shaped sliding blocks 9 are clamped and installed at both ends of the lower edge surface of each bulletproof baffle 6, T-shaped sliding grooves 10 adapted to the T-shaped sliding blocks 9 are formed in the upper surface of the pipeline storage box 1, and the T-shaped sliding blocks 9 and the T-shaped sliding grooves 10 cooperate with each other to slidingly clamp the bulletproof baffles 6 on the upper surface of the pipeline storage box 1.

[0029] Further, as shown in Figure 2As shown, the upper surface of the T-shaped slider 9 is provided with mounting clamping blocks 11 at both ends, and the bulletproof baffle 6 is provided with mounting clamping grooves 12 matched with the mounting clamping blocks 11. The T-shaped slider 9 is fastened and mounted on the bulletproof baffle 6 by bolts, and the mounting clamping blocks 11 and the mounting clamping grooves 12 are matched with each other to facilitate the clamping and mounting of the T-shaped slider 9 on the bulletproof baffle 6.

[0030] Further, as shown in Figure 2 , the first electric telescopic rod 5 is provided with a connecting block 13 at the telescopic end, the connecting block 13 is mounted on the bulletproof baffle 6 by bolts, the infrared emitter 7 is matched with the opposite infrared receiver 8, and the installation positions of the infrared emitter 7 and the opposite infrared receiver 8 correspond to each other, so that the working trend of the impact hammer 22 can be monitored in the first time, and the connecting block 13 facilitates the connection of the first electric telescopic rod 5 and the bulletproof baffle 6.

[0031] Further, as shown in Figure 1 , Figure 3 and Figure 6 , the impact hammer structure 2 includes two slide rods 14 symmetrically mounted on the upper surface of the pipeline storage box 1, a hammer machine 15 slidably mounted on the two slide rods 14, a double-shaft drive motor 16 provided on the pipeline storage box 1, and a cable 17 connected between the double-shaft drive motor 16 and the hammer machine 15. The slide rods 14 facilitate the sliding support of the hammer machine 15, the hammer machine 15 facilitates the hammering experiment on the pipeline to be detected, the double-shaft drive motor 16 facilitates the driving force for the operation of the hammer machine 15, and the cable 17 facilitates the connection of the double-shaft drive motor 16 and the hammer machine 15.

[0032] Further, as shown in Figure 3 , Figure 4 and Figure 6 , the hammer machine 15 includes a sliding base 18 slidably mounted on the two slide rods 14, a receiving groove 19 provided in the sliding base 18, a second hydraulic rod 20 symmetrically provided in the receiving groove 19, a clamping block 21 provided at the output end of the second hydraulic rod 20, an impact hammer 22 clamped and mounted in the two clamping blocks 21, a weight 23 sleeved on the impact hammer 22, and a connecting ring 24 symmetrically mounted on the sliding base 18. The sliding base 18 facilitates the sliding mounting of the hammer machine 15 on the two slide rods 14, and facilitates the support and fixation of the second hydraulic rod 20 and the clamping block 21. The receiving groove 19 facilitates the receiving of the second hydraulic rod 20 and the clamping block 21. The second hydraulic rod 20 and the clamping block 21 are matched with each other to facilitate the clamping and fixation of the hammer machine 15 mounted in the sliding base 18. The weight 23 facilitates the increase of the weight of the hammer machine 15.

[0033] Further, as shown in Figure 3 and Figure 6As shown, the two outputs of the double-shaft driving motor 16 are provided with winding wheels 25, the top ends of the two slide rods 14 are provided with connecting rods 26, the connecting rods 26 are symmetrically provided with rotating pulleys 27, one end of the cable 17 is connected to the winding wheel 25, the other end of the cable 17 is connected to the connecting ring 24, the connected cable 17 is closely fitted above the rotating pulley 27, the winding wheel 25 is convenient for fixing one end of the cable 17 to the output end of the double-shaft driving motor 16, the connecting ring 24 is convenient for fixing the other end of the cable 17 to the sliding base 18, the connecting rod 26 is convenient for fixing the two slide rods 14 together, and is also convenient for supporting and fixing the rotating pulley 27, and the rotating pulley 27 is convenient for lifting the middle part of the cable 17, so as to ensure that the impact hammer structure 2 can be normally used.

[0034] Further, as Figure 1 With Figure 5 As shown, the pipeline clamping structure 101 is symmetrically arranged on the third electric telescopic rods 28 arranged on the two side walls of the inner cavity of the pipeline storage box 1, the clamping plates 29 arranged on the telescopic ends of the third electric telescopic rods 28, the fourth electric telescopic rod 30 arranged on the upper surface of the bottom of the inner cavity of the pipeline storage box 1, and the push plate 31 arranged on the telescopic end of the fourth electric telescopic rod 30. The observation airtight door 32 is connected to the opening of the pipeline storage box 1. The third electric telescopic rod 28 is convenient for pushing the clamping plate 29 to position the pipeline to be detected in the pipeline storage box 1. The fourth electric telescopic rod 30 is convenient for pushing the push plate 31 to position the pipeline to be detected in the pipeline storage box 1. The observation airtight door 32 is convenient for opening the pipeline storage box 1.

[0035] As Figures 1-6 As shown, the principle of the falling hammer impact experiment device for pipeline detection provided by the embodiment is as follows: when the device is used, the observation airtight door 32 should be opened first, then the pipeline sample to be detected is placed on the push plate 31, then the fourth electric telescopic rod 30 is extended, and the pipeline sample to be detected on the push plate 31 is pushed to a suitable height, then the third electric telescopic rods 28 are simultaneously extended, so that the two clamping plates 29 position and clamp the pipeline sample to be detected, the height of the fourth electric telescopic rod 30 is ensured to be high enough for the impact hammer 22 with the weight 23 to completely enter the pipeline storage box 1, and then the observation airtight door 32 is closed.

[0036] At this time, the impact hammer 22 is taken out, then the weight 23 of the required weight is taken out and sleeved on the impact hammer 22, then the impact hammer 22 is inserted into the sliding base 18, at this time, the two second hydraulic rods 20 are extended, and the clamping block 21 pushes and clamps the fixed shaft rod on the impact hammer 22, then the double-shaft driving motor 16 is started, at this time, the double-shaft driving motor 16 operating through the cable 17 pulls the hammer machine 15 to a specified height, at this time, the infrared transmitter 7 and the infrared receiver 8 are always in an open state.

[0037] When the experiment starts, the double-shaft driving motor 16 starts to rotate reversely, at this time the hammer machine 15 on the two slide rods 14 starts to fall rapidly, at this time the impact hammer 22 on the hammer machine 15 will hammer the pipe sample to be detected in the pipe storage box 1 at a specified height, when the impact hammer 22 fixed with the weight 23 passes through the to-be-hammered chute 102 and hits the surface of the pipe sample to be detected, at this time the impact hammer 22 fixed with the weight 23 will pass through the infrared sensing line between the infrared emitter 7 and the infrared receiver 8, when the impact hammer 22 fixed with the weight 23 passes through completely, the infrared sensing line between the infrared emitter 7 and the infrared receiver 8 will be connected again, then at this time the two first electric telescopic rods 5 will extend rapidly and make the two bulletproof baffle plates 6 butt joint rapidly, so as to cover the to-be-hammered chute 102;

[0038] The two bulletproof baffle plates 6 arranged to cover will close and embed the falling impact hammer 22, so as to prevent the falling impact hammer 22 from repeatedly and continuously impacting the pipe to be detected, so as to affect the impact detection result, and then the accurate detection value of the pipe cannot be obtained, after the pipe sample to be detected is detected, all the structures of the device return to the initial state, then the pipe sample can be taken out.

[0039] As some words are used in the description and claims to refer to certain components. Those skilled in the art can understand that hardware manufacturers may use different names to refer to the same component. The description and claims of the present specification do not distinguish components by name difference, but by functional difference of components. As mentioned throughout the description and claims, "including" is an open term, which should be interpreted as "including but not limited to". "Approximately" means within an acceptable error range, and those skilled in the art can solve technical problems within a certain error range, and basically achieve the technical effect.

[0040] It should be noted that the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusions, so that the products or systems including a series of elements not only include those elements, but also include other elements not explicitly listed, or include elements inherent to such products or systems. Without more limitations, the element defined by the sentence "including a" does not exclude the presence of other identical elements in the product or system including the element.

[0041] The above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the application conceived herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A drop hammer impact test device for pipeline inspection, comprising a pipeline storage box (1), characterized in that: An impact hammer structure (2) is provided above the pipe storage box (1). An anti-rebound structure (3) is installed on the upper surface of the pipe storage box (1). The anti-rebound structure (3) includes a fixed block (4) symmetrically installed on the upper surface of the pipe storage box (1), a first electric telescopic rod (5) symmetrically arranged at both ends of the inner side of the fixed block (4), a bulletproof baffle (6) installed at the telescopic ends of the two parallel first electric telescopic rods (5), an infrared transmitter (7) symmetrically installed on the upper surface of one bulletproof baffle (6), and an infrared receiver (8) symmetrically installed on the upper surface of the other bulletproof baffle (6). A pipe clamping structure (101) is provided in the pipe storage box (1). A hammer-pumping groove (102) is opened on the upper surface of the pipe storage box (1).

2. The falling hammer impact test device for pipeline inspection according to claim 1, characterized in that: The bulletproof baffle (6) is slidably installed on the upper surface of the pipe storage box (1). T-shaped sliders (9) are embedded at both ends of the lower surface of the bulletproof baffle (6). A T-shaped groove (10) adapted to the T-shaped slider (9) is opened on the upper surface of the pipe storage box (1).

3. The falling hammer impact test device for pipeline inspection according to claim 2, characterized in that: The T-shaped slider (9) has mounting blocks (11) at both ends of its upper surface. The bulletproof baffle (6) has mounting slots (12) that are compatible with the mounting blocks (11). The T-shaped slider (9) is fastened to the bulletproof baffle (6) by bolts.

4. The falling hammer impact test device for pipeline inspection according to claim 1, characterized in that: The first electric telescopic rod (5) is provided with a connecting block (13) at its telescopic end. The connecting block (13) is installed on the bulletproof baffle (6) by bolts. The infrared transmitter (7) is adapted to the infrared receiver (8) on the opposite side. The installation positions of the infrared transmitter (7) and the infrared receiver (8) on the opposite side correspond to each other.

5. The falling hammer impact test device for pipeline inspection according to claim 1, characterized in that: The impact hammer structure (2) includes slide rods (14) symmetrically installed on the upper surface of the pipe storage box (1), hammers (15) slidably mounted on the two slide rods (14), a dual-axis drive motor (16) set on the pipe storage box (1), and a cable (17) connecting the dual-axis drive motor (16) and the hammers (15).

6. The falling hammer impact test device for pipeline inspection according to claim 5, characterized in that: The hammer machine (15) includes a sliding base (18) slidably sleeved on the two slide rods (14), a storage groove (19) provided in the sliding base (18), a second hydraulic rod (20) symmetrically arranged in the storage groove (19), a clamping block (21) provided at the output end of the second hydraulic rod (20), an impact hammer (22) embedded in the two clamping blocks (21), a weight (23) sleeved on the impact hammer (22), and a connecting ring (24) symmetrically installed on the sliding base (18).

7. The falling hammer impact test device for pipeline inspection according to claim 6, characterized in that: The dual-axis drive motor (16) has a winding wheel (25) at both output ends. The top of the two slide rods (14) is provided with a connecting rod (26). A rotating pulley (27) is symmetrically mounted on the connecting rod (26). One end of the cable (17) is connected to the winding wheel (25), and the other end of the cable (17) is connected to the connecting ring (24). The connected cable (17) is tightly attached to the top of the rotating pulley (27).

8. The falling hammer impact test device for pipeline inspection according to claim 1, characterized in that: The pipe clamping structure (101) is symmetrically arranged on the two sides of the inner cavity of the pipe storage box (1) with a number of third electric telescopic rods (28), a clamping plate (29) at the telescopic end of the number of third electric telescopic rods (28), a fourth electric telescopic rod (30) at the bottom upper surface of the inner cavity of the pipe storage box (1), and a push plate (31) at the telescopic end of the fourth electric telescopic rod (30). The opening of the pipe storage box (1) is connected to an observation sealed door (32).

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