Anchor chain fatigue testing machine

Abstract

The utility model provides an anchor chain fatigue testing machine, which relates to the technical field of anchor chain fatigue testing machines and comprises a host loading frame, a sliding seat is inserted into the upper surface of a base of the host loading frame, two vertically arranged electric push rods are symmetrically and fixedly mounted on the upper surface of the sliding seat, and the telescopic ends of the electric push rods face upwards and are fixedly provided with connecting frames. According to the scheme, the connecting frame is separated from the host loading frame by moving the position of the sliding seat, personnel can conveniently place the anchor chain in the connecting frame and clamp and fix the anchor chain through the two clamping blocks in the connecting frame, then the clamped anchor chain is moved to a detection station in the host loading frame through resetting of the sliding seat, and in other words, the anchor chain is installed outside the host loading frame; the method is not influenced by the size and shape of a host loading frame.

Description

Technical Field

[0001] This utility model relates to the technical field of anchor chain fatigue testing machines, and in particular to anchor chain fatigue testing machines. Background Technology

[0002] The anchor chain dynamic and static fatigue testing machine (hereinafter referred to as the testing machine) is mainly used to test the dynamic characteristics of anchor chains at room temperature (or high and low temperature, corrosive environment). The testing machine can perform the following tests: tensile test, compression test, and anchor chain fatigue test.

[0003] Therefore, the existing anchor chain low-cycle fatigue testing machine, with announcement number CN217878656U, includes a base and a clamping assembly. The base has columns on the top left and right sides, and crossbeams on the top of the columns on both sides. The top of the crossbeams has through holes, and a lifting rod is slidably installed in the through holes. A mounting frame is installed on the top right side of the crossbeams. The test piece to be stretched is clamped by the clamping structure on the upper and lower sides. The first motor rotates the turntable, and the lifting rod moves up and down in the through holes through the linkage, thereby performing tensile testing on the test piece to be stretched.

[0004] However, some anchor chains are quite heavy, and because the clamping structures on the upper and lower sides are fixed in position on the machine base, it is quite troublesome to clamp the anchor chain manually during actual operation. When using machinery to lift the anchor chain for installation and clamping, it will be affected by the interference of the machine base size and the position of the clamping structures on the upper and lower sides. Utility Model Content

[0005] The purpose of this utility model is to solve the problems existing in the prior art by proposing an anchor chain fatigue testing machine.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: an anchor chain fatigue testing machine, including a main loading frame, a slide block inserted into the upper surface of the base of the main loading frame, two vertically arranged electric push rods symmetrically fixedly installed on the upper surface of the slide block, the telescopic ends of the electric push rods facing upward and fixedly installed with a connecting frame, two horizontal sockets symmetrically fixedly installed on the upper surface of the connecting frame, and a frame fitted onto the horizontal socket slidably installed on the surface of the connecting frame, two frames are provided, the two frames are symmetrically arranged and clamping blocks are fixedly installed on the opposite sides of the two frames, and the two clamping blocks are used to clamp the anchor chain.

[0007] Preferably, an electric telescopic rod is fixedly installed between the host loading frame and the slide, and a hydraulic rod is provided between the surface of the connecting frame and each clamping block. The slide is U-shaped and two insert rails that are symmetrically fixedly installed on the bottom edge of the slide and inserted into the bottom of the host loading frame.

[0008] Preferably, the two clamping blocks are positioned close to one of the links in the anchor chain, and slots are provided on the upper and lower parts of the opposing surfaces of the two clamping blocks, which are used to insert into the ends of adjacent links.

[0009] Preferably, the slot of the clamping block is curved.

[0010] Preferably, the upper and lower positions of the clamping block are suspended.

[0011] Preferably, a lifting seat is inserted into the main loading frame, and hydraulic telescopic rods are connected between the two sides of the lifting seat and the bottom edge of the main loading frame.

[0012] Preferably, a tension sensor is installed on the bottom edge of the lifting seat, and an upper clamping seat is fixedly installed on the detection end of the tension sensor. A lower clamping seat is installed at the bottom of the main loading frame. The clamping surfaces of the upper and lower clamping seats are symmetrically arranged and used to clamp both ends of the anchor chain.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, the connecting frame is detached from the host loading frame by moving the position of the sliding block, which makes it convenient for personnel to place the anchor chain in the connecting frame and use the two clamping blocks in the connecting frame to hold and fix it. Then, the sliding block is reset to move the clamped anchor chain to the inspection station inside the host loading frame. That is, this solution installs the anchor chain outside the host loading frame and is not affected by the size or shape of the host loading frame.

[0015] 2. In this utility model, by setting a slot, two clamping blocks are used to clamp the second link from top to bottom, and the slot on the surface of the clamping blocks is used to fit the arc corner of the end of the adjacent link, so that the first link of the suspended anchor chain is in a vertical state. Therefore, when the connecting frame is raised, the top of the anchor chain can be directly inserted into the upper clamping seat for fixation. Attached Figure Description

[0016] Figure 1 A three-dimensional structural schematic diagram of the anchor chain fatigue testing machine is provided for this utility model;

[0017] Figure 2 This utility model proposes an anchor chain fatigue testing machine. Figure 1 A schematic diagram of the side view structure;

[0018] Figure 3 This utility model proposes an anchor chain fatigue testing machine. Figure 1 A schematic diagram of the rear view structure;

[0019] Figure 4 A three-dimensional structural diagram of the slide block for the anchor chain fatigue testing machine is provided for this utility model;

[0020] Figure 5 This invention presents a three-dimensional structural diagram of the slider of the anchor chain fatigue testing machine.

[0021] Legend: 1. Main unit loading frame; 2. Hydraulic telescopic rod; 3. Lifting seat; 4. Upper clamp; 5. Lower clamp; 6. Insert rail; 7. Tension sensor; 8. Slide; 9. Electric telescopic rod; 10. Electric push rod; 11. Horizontal socket; 12. Hydraulic rod; 13. Connecting frame; 14. Slot; 15. Insert frame; 16. Clamping block. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] like Figures 1-5 As shown, the anchor chain fatigue testing machine includes a main loading frame 1. A slide block 8 is inserted into the upper surface of the base of the main loading frame 1. Two vertically arranged electric push rods 10 are symmetrically fixedly installed on the upper surface of the slide block 8. The telescopic ends of the electric push rods 10 are upward and fixedly installed with connecting frames 13. The telescopic extension of the two electric push rods 10 can realize the raising and lowering of the connecting frame 13. Thus, when the anchor chain to be tested is fixed on the connecting frame 13, the lowering of the connecting frame 13 ensures sufficient space for personnel to install the anchor chain. Two horizontal sockets 11 are symmetrically fixedly installed on the upper surface of the connecting frame 13, and insert frames 15 are slidably installed on the surface of the connecting frame 13 and fitted onto the horizontal sockets 11. There are two insertion frames 15, which are symmetrically arranged and each of the two insertion frames 15 has a clamping block 16 fixedly installed on its opposite side. The two clamping blocks 16 are used to clamp the anchor chain. The top of the anchor chain is suspended between the two clamping blocks 16 in principle with the clamping seat 4. Under the guidance of the insertion of the insertion frame 15 and the horizontal socket 11, the two clamping blocks 16 move relative to each other and clamp the top of the anchor chain. The anchor chain can then be released by the personnel. Under the clamping action of the two clamping blocks 16, the anchor chain is kept in a suspended state. Then, the sliding block 8 is moved to move the suspended anchor chain to directly below the upper clamping seat 4, and the connecting frame 13 is raised to allow the anchor chain to enter the upper clamping seat 4 for clamping and fixing.

[0025] Additionally: The slide block 8 is U-shaped, and two rails 6 are symmetrically fixedly installed on its bottom edge, which are inserted into the bottom of the main loading frame 1. An electric telescopic rod 9 is fixedly installed between the main loading frame 1 and the slide block 8. By extending and retracting the electric telescopic rod 9, the slide block 8 slides on the main loading frame 1, allowing the clamping block 16 to move away from the upper clamping seat 4. This facilitates the placement of the anchor chain between the two clamping blocks 16. Furthermore, the slide block 8 resets, causing the clamped anchor chain to move directly below the upper clamping seat 4. A hydraulic rod 12 is installed between the surface of the connecting frame 13 and each clamping block 16. By extending and retracting the hydraulic rod 12, the corresponding clamping block 16 moves, allowing the two clamping blocks 16 to move relative to or towards each other. The two clamping blocks 16 are positioned close to one of the chain links in the anchor chain, and slots 14 are provided on the upper and lower parts of the opposing surfaces of the two clamping blocks 16. The slots 14 on the opposing surfaces of the two clamping blocks 16 are used to insert into the ends of adjacent chain links. The slots 14 of the clamping blocks 16 are arc-shaped. Figure 4 As shown, by using two clamping blocks 16 to clamp the second chain link from top to bottom, and by using the slots 14 on the surface of the clamping blocks 16 to fit the arc corners of the adjacent chain links, it can be ensured that the chain link at the top of the suspended anchor chain is in a vertical state. Therefore, it is convenient to insert the top of the anchor chain directly into the upper clamping seat 4 when the connecting frame 13 rises.

[0026] The clamping block 16 is suspended at the top and bottom to ensure that the clamped anchor chain can be kept suspended smoothly.

[0027] Furthermore: A lifting seat 3 is inserted into the main loading frame 1. Hydraulic telescopic rods 2 are connected between the two sides of the lifting seat 3 and the bottom edge of the main loading frame 1. A tension sensor 7 is installed on the bottom edge of the lifting seat 3. An upper clamping seat 4 is fixedly installed at the detection end of the tension sensor 7. A lower clamping seat 5 is installed at the bottom of the main loading frame 1. The clamping surfaces of the upper clamping seat 4 and the lower clamping seat 5 are symmetrically arranged and used to clamp both ends of the anchor chain. After the chain link at the top of the anchor chain is clamped by the upper clamping seat 4, the clamping block 16 disengages from the anchor chain, and the slide 8 drives the connecting frame 13 to move away from the upper clamping seat 4. The hydraulic telescopic rod 2 is contracted to make the lifting seat 3 drive the upper clamping seat 4 and the clamped anchor chain descend to the bottom of the anchor chain and enter the lower clamping seat 5, where it is clamped and fixed. During detection, the hydraulic telescopic rod 2 is extended to make the lifting seat 3 drive the upper clamping seat 4 to rise and tighten the anchor chain. The tension sensor 7 can detect the strength of the anchor chain in real time.

[0028] Working principle: The slide block 8 uses the extension of the electric telescopic rod 9 to push away from the upper clamping seat 4, placing the second link of the anchor chain between the two clamping blocks 16. The hydraulic rod 12 extends to push the clamping blocks 16 to move and clamp the second link of the anchor chain. The slots 14 on the opposite sides of the two clamping blocks 16 clamp the corners at the ends of the first and third links, fixing the first link of the anchor chain in a vertical position. The slide block 8, under the retraction of the electric telescopic rod 9, moves the anchor chain below the upper clamping seat 4, and then uses electric... The push rod 10 extends to push the connecting frame 13 and the clamping block 16 up until the first section of the anchor chain is inserted into the upper clamping seat 4. Then the clamping block 16 disengages from the anchor chain and moves to disengage from the upper clamping seat 4. The hydraulic telescopic rod 2 retracts to realize the lifting seat 3, which drives the upper clamping seat 4 and the clamped anchor chain down to the bottom of the anchor chain and enters the lower clamping seat 5, where it is clamped and fixed. During testing, the hydraulic telescopic rod 2 extends to realize the lifting seat 3, which drives the upper clamping seat 4 up to tighten the anchor chain. The tension sensor 7 can detect the strength of the anchor chain in real time.

[0029] The wiring diagrams for the hydraulic telescopic rod 2, tension sensor 7, electric telescopic rod 9, electric push rod 10, and hydraulic rod 12 in this utility model are common knowledge in the field. Their working principles are known technologies. The appropriate model is selected according to actual use. Therefore, the control methods and wiring layouts of the hydraulic telescopic rod 2, tension sensor 7, electric telescopic rod 9, electric push rod 10, and hydraulic rod 12 will not be explained in detail.

[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An anchor chain fatigue testing machine, comprising a main loading frame (1), characterized in that: The upper surface of the base of the host loading frame (1) is connected to a slide (8). Two vertically arranged electric push rods (10) are symmetrically fixed on the upper surface of the slide (8). The telescopic end of the electric push rod (10) is upward and fixedly installed with a connecting frame (13). Two horizontal sockets (11) are symmetrically fixed on the upper surface of the connecting frame (13), and a frame (15) fitted on the horizontal socket (11) is slidably installed on the surface of the connecting frame (13). There are two frames (15), which are symmetrically arranged and clamps (16) are fixedly installed on the opposite sides of the two frames (15). The two clamps (16) are used to clamp the anchor chain.

2. The anchor chain fatigue testing machine according to claim 1, characterized in that: An electric telescopic rod (9) is fixedly installed between the host loading frame (1) and the slide (8). A hydraulic rod (12) is provided between the surface of the connecting frame (13) and each clamp (16). The slide (8) is U-shaped and two insert rails (6) that are symmetrically fixedly installed on the bottom edge of the slide (8) and inserted into the bottom of the host loading frame (1).

3. The anchor chain fatigue testing machine according to claim 1, characterized in that: The two clamping blocks (16) are positioned close to one of the links in the anchor chain, and the upper and lower parts of the opposite surfaces of the two clamping blocks (16) are provided with slots (14), which are used to insert into the ends of the adjacent links.

4. The anchor chain fatigue testing machine according to claim 3, characterized in that: The slot (14) of the clamp (16) is set with an arc surface.

5. The anchor chain fatigue testing machine according to claim 4, characterized in that: The clamping block (16) is suspended at the upper and lower positions.

6. The anchor chain fatigue testing machine according to claim 1, characterized in that: A lifting seat (3) is inserted into the main loading frame (1), and a hydraulic telescopic rod (2) is connected between the two sides of the lifting seat (3) and the bottom side of the main loading frame (1).

7. The anchor chain fatigue testing machine according to claim 6, characterized in that: A tension sensor (7) is installed on the bottom edge of the lifting seat (3). An upper clamp (4) is fixedly installed on the detection end of the tension sensor (7). A lower clamp (5) is installed at the bottom of the main loading frame (1). The upper clamp (4) and the lower clamp (5) are symmetrically arranged and used to clamp both ends of the anchor chain.

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