Tensile experiment clamp for liquid suspension type passive shutdown assembly

Abstract

The utility model discloses a liquid suspension type passive shutdown assembly tensile experiment clamp, which relates to the technical field of passive assembly clamps, and comprises a liquid suspension type passive shutdown assembly, the two ends of the liquid suspension type passive shutdown assembly are detachably connected with uniform load devices with the same structure, and the uniform load devices are detachably connected with the liquid suspension type passive shutdown assembly. And a connecting piece is arranged in the center of one uniform load device. According to the utility model, the liquid suspension type passive shutdown assembly and the tension and compression mechanical testing machine can be stably connected, and meanwhile, each surface of the assembly can be uniformly stressed in an experiment process, and the assembly is convenient to disassemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to non -powered assembly clamp technical field especially relates to a liquid suspension formula non -powered shutdown assembly tensile test fixture. BACKGROUND

[0002] Non -powered assembly relies on the 10B in the absorber material B4C in the absorber stick and through the non -powered shutdown stick in the guide pipe up and down movement to realize the various functions of non -powered assembly.

[0003] Before starting the pile, the non -powered stick is grabbed and lifted to the upper terminal through the driving mechanism gripper, when the coolant flow in the non -powered assembly is greater than the critical flow, the non -powered stick is stably suspended under the action of hydraulic thrust, when the coolant flow in the non -powered assembly reduces to below the critical flow, the non -powered stick can be inserted into the reactor core under the action of gravity for a certain time, and the thermal shutdown is realized.

[0004] According to the control rod assembly design criterion (Q / ZYY104-2010) of China experimental fast reactor, the non -powered shutdown assembly bears the tension from the refueling machine and pressure load.

[0005] However, the liquid suspension formula non -powered shutdown assembly is in the shape of six prism, and cannot be directly used for tensile testing machine. UTILITY MODEL CONTENTS

[0006] The utility model discloses a liquid suspension formula non -powered shutdown assembly tensile test fixture, and solves the technical problem of reasonable and effective connection between the liquid suspension formula non -powered shutdown assembly and tensile compression mechanical testing machine.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A liquid suspension formula non -powered shutdown assembly tensile test fixture, including liquid suspension formula non -powered shutdown assembly, both ends of the liquid suspension formula non -powered shutdown assembly can detachable connection with the same structure of the load equalizer, and the central part of one load equalizer is equipped with connecting piece.

[0009] In some embodiments, the liquid suspension passive shutdown assembly is connected with the equalizer through the angle iron.

[0010] In some embodiments, the angle iron is L-shaped, including a long side and a short side connected perpendicularly.

[0011] In some embodiments, the short side and the long side are provided with a wire hole for mounting a bolt.

[0012] In some embodiments, the number of the angle iron is 24, and one is installed on the inner and outer side of each side of the liquid suspension passive shutdown assembly.

[0013] In some embodiments, the equalizer is provided with a large through hole in the center, and the connecting piece passes through the large through hole from the liquid suspension passive shutdown assembly and extends to the upper end surface of the equalizer.

[0014] In some embodiments, the equalizer is provided with a plurality of small through holes for matching the installation of the angle iron.

[0015] In some embodiments, the small through holes are symmetrically arranged on the equalizer with respect to the large through hole.

[0016] In some embodiments, the connecting piece includes an equalizer lifting part, one end surface of the equalizer lifting part is provided with a connecting part, and the end of the connecting part away from the equalizer lifting part is provided with a chuck contact part for matching the chuck of the tensile and compressive mechanical testing machine.

[0017] In some embodiments, the chuck contact part and the connecting part are both cylindrical structures, and the diameter of the chuck contact part is smaller than the diameter of the connecting part.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The utility model can realize the stable connection between the liquid suspension passive shutdown assembly and the tensile and compressive mechanical testing machine, can make the assembly bear force evenly on each surface during the experiment, and is convenient to disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the structure schematic diagram of the equalizer of the utility model;

[0022] Figure 3 It is the connection structure schematic diagram of the equalizer and the angle iron of the utility model;

[0023] Figure 4 It is the structure schematic diagram of the angle iron of the utility model;

[0024] Figure 5 It is a structural schematic view of the connecting piece.

[0025] In the figure: 1, liquid suspension type passive shutdown assembly, 2, load distributor, 3, connecting piece, 4, tensile and compressive strength testing machine chuck, 5, angle iron, 6, chuck contact part, 7, connecting part, 8, load distributor lifting part, 9, short side, 10, long side, 11, wire hole, 12, through hole, 13, small through hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-5 A liquid suspension type passive shutdown assembly tensile experiment clamp, including the liquid suspension type passive shutdown assembly 1 of the shape of six prism structure, both ends of the liquid suspension type passive shutdown assembly 1 are detachably connected with the load distributor 2 of the same structure through the angle iron 5, and the central part of one load distributor 2 is provided with a connecting piece 3.

[0028] The angle iron 5 is L-shaped, including long side 10 and short side 9 connected vertically. The angle iron 5 is uniformly distributed on the inner and outer sides of each side of the liquid suspension type passive shutdown assembly 1.

[0029] The short side 9 and the long side 10 of the angle iron 5 are provided with wire holes 11, and the liquid suspension type passive shutdown assembly 1 can be conveniently connected through bolts. In order to use the bolt to connect the load distributor 2 and the liquid suspension type passive shutdown assembly 1 more tightly, the diameter of the wire hole 11 is 6mm, and the bolt of this size meets the strength requirement and will not be deformed in the process of experiment. The short side 9 is used for fixing the load distributor 2 and the liquid suspension type passive shutdown assembly 1, and the length is 20mm and the width is 8mm. The long side 10 provides main support or bearing capacity, and the length is 35mm and the width is 8mm.

[0030] The central part of the equalizer 2 is provided with a large through hole 12, the connecting piece 3 passes through the large through hole 12 from the liquid suspension type passive shutdown assembly 1 and extends to the upper end surface of the equalizer 2. The equalizer 2 is provided with a plurality of small through holes 13 for connecting the angle iron 5, and the small through holes 13 are symmetrically arranged on the equalizer 2 with respect to the large through hole 12. The main function of the equalizer 2 is to connect the liquid suspension type passive shutdown assembly 1 through the angle iron 5, so that the equalizer 2 obtains uniform stress. The large through hole 12 is connected with the connecting piece 3 for transmitting stress, and the small through hole 13 is connected with the angle iron 5 for facilitating clamping the assembly. The thickness of the equalizer is 20mm

[0031] The connecting piece 3 comprises an equalizer lifting part 8, one end surface of the equalizer lifting part 8 is provided with a connecting part 7, and the connecting part 7 is provided with a chuck contact part 6 away from one end of the equalizer lifting part 8. The chuck contact part 6 and the connecting part 7 are both cylindrical structures, the diameter of the chuck contact part 6 is smaller than the diameter of the connecting part 7, and the chuck contact part 6 is clamped by the chuck 4 of the tensile and compressive mechanical testing machine. In order to increase the firmness, the chuck contact part 6 and the connecting part 7 can be integrally formed, and the outer diameter of the connecting part 7 is equal to the inner diameter of the large through hole 12.

[0032] The diameter of the chuck contact part 6 is 22mm, the diameter of the connecting part 7 is 24mm, and the equalizer lifting part 8 is disc-shaped with a diameter of 60mm. The upper end surface of the equalizer lifting part 8 directly contacts the lower end surface of the equalizer 2, is responsible for lifting the equalizer, and is also responsible for transmitting the force generated by the tensile and compressive mechanical testing machine to the equalizer.

[0033] The above is a further detailed description of the present application in combination with specific preferred embodiments, and cannot be regarded as limiting the specific implementation of the present application to these descriptions. For ordinary skilled persons in the technical field to which the present application belongs, without departing from the concept of the present application, a number of simple deductions or substitutions can be made, and all of them should be regarded as falling within the protection scope of the present application.

Claims

1. A liquid-suspended passive shutdown assembly tensile testing fixture, characterized in that, It includes a liquid-suspended passive shutdown assembly (1), both ends of which are detachably connected to a load equalizer (2) with the same structure, and one of the load equalizers (2) has a connector (3) in the center.

2. The liquid-suspended passive shutdown assembly tensile test fixture according to claim 1, characterized in that, The liquid-suspended passive shutdown assembly (1) is connected to the load equalizer (2) via angle iron (5).

3. The liquid-suspended passive shutdown assembly tensile test fixture according to claim 2, characterized in that, The angle iron (5) is L-shaped, including a long side (10) and a short side (9) that are vertically connected together.

4. The liquid-suspended passive shutdown assembly tensile test fixture according to claim 3, characterized in that, Both the short side (9) and the long side (10) are provided with wire holes (11).

5. A liquid-suspended passive shutdown assembly tensile testing fixture according to any one of claims 2-4, characterized in that, The number of angle irons (5) is 24.

6. The liquid-suspended passive shutdown assembly tensile test fixture according to claim 1, characterized in that, The load equalizer (2) has a large through hole (12) in the center, and the connector (3) passes through the large through hole (12) from the liquid-suspended passive shutdown assembly (1) and extends to the upper end face of the load equalizer (2).

7. The liquid-suspended passive shutdown assembly tensile test fixture according to claim 1, characterized in that, The load equalizer (2) is provided with multiple small through holes (13).

8. A liquid-suspended passive shutdown assembly tensile testing fixture according to claim 7, characterized in that, The small through holes are symmetrically arranged on the load equalizer (2) about the large through hole (12).

9. A liquid-suspended passive shutdown assembly tensile testing fixture according to claim 1, characterized in that, The connector (3) includes a load-sharing device support part (8), and a connecting part (7) is provided at the center of one end face of the load-sharing device support part (8). A clamp contact part (6) is provided at the end of the connecting part (7) away from the load-sharing device support part (8).

10. A liquid-suspended passive shutdown assembly tensile testing fixture according to claim 9, characterized in that, Both the chuck contact part (6) and the connecting part (7) are cylindrical structures, and the diameter of the chuck contact part (6) is smaller than the diameter of the connecting part (7).

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