CN213600501U

CN213600501U - Detection test device for stretching and twisting hose

Info

Publication number: CN213600501U
Application number: CN202022178532.8U
Authority: CN
Inventors: 杨鹏; 吕昊远; 徐锦诚
Original assignee: Yantai Taiyue Fluid Technology Co ltd
Current assignee: Yantai Taiyue Fluid Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-07-02
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a tensile and twist reverse test device of hose. Control operation panel including control test device operation, the key is that fixing base (1) has a bar groove (2), bar groove (2) both ends of fixing base (1) have left fixed plate (11) and right fixed plate (12), left fixed plate (11) and stretching mechanism's oil hydraulic cylinder (5) fixed connection, the tip of piston rod (4) of oil hydraulic cylinder (5) is equipped with connecting device, right fixed plate (12) are equipped with a rotatable connecting rod (3), a connecting device is connected to the one end of connecting rod (3), the other end of connecting rod (3) is equipped with torsion mechanism, be equipped with the sensor of the collection hose deformation of being connected with control operation panel. The utility model discloses detect the multinomial technical index of hose, obtain the comprehensive data of the state of hose after repetitious usage.

Description

Detection test device for stretching and twisting hose

The technical field is as follows:

the utility model relates to a device of experimental detection specifically indicates a device that can carry out multinomial detection or experiment to the hose.

Background art:

the hose is a product for conveying objects, particularly liquid substances, which is commonly used in the industrial field, most hoses for conveying liquid substances need to apply certain pressure to drive the liquid substances to flow, and for some fluids with certain density or viscosity, relatively large pressure needs to be applied to enable the liquid substances to effectively flow, so that the hoses are required to have specific technical indexes in various aspects of pressure resistance, tensile resistance and torsion, such as higher requirements of hoses used in the petroleum industry, the chemical industry or the military field, otherwise, the hoses are damaged or even seriously accident happens once the hoses are cracked, broken or leaked. Therefore, the technical indexes of various limits or approaching limits of the hose product are understood, the requirements on the quality of the product are met, and the long-term use is warned. The prior hose capable of bearing higher pressure and tensile force is prepared from a multi-layer material, wherein a high-strength steel wire wound in a spiral form is arranged according to requirements, the above products need to be detected, for example, the tensile property of the hose is detected by using a conventional tensile testing device to obtain limit parameters, but the prior hose testing device has the problems that the measurable parameters of the testing device are single, the testing installation is also extremely inconvenient, and the testing efficiency is influenced, so that the testing and detecting device of the hose still needs to be solved.

The invention content is as follows:

the utility model aims at disclosing a test, detection device of hose with high efficiency, multi-functional.

Realize the utility model discloses a technical solution is: including the control operation panel of control test device operation, the key is that the fixing base has a bar groove, the bar groove both ends of fixing base have left fixed plate and right fixed plate, left fixed plate and tensile mechanism's oil hydraulic cylinder fixed connection, the tip of the piston rod of oil hydraulic cylinder is equipped with connecting device, right fixed plate is equipped with a rotatable connecting rod, a connecting device is connected to the one end of connecting rod, the other end of connecting rod is equipped with torsion mechanism, be equipped with the sensor of the collection hose deformation of being connected with control operation panel.

The sensor is a distance measuring device with a flexible pipe deformed on the fixed seat.

The distance measuring device measures the axial length of the hose, or/and the other distance measuring device directly faces the side surface of the hose and measures the radial deformation of the hose.

The torsion mechanism is provided with a clamping plate structure for clamping the connecting rod, the clamping plate structure is provided with an upper clamping plate and a lower clamping plate to form a through hole capable of accommodating the connecting rod, two fixed pin shafts penetrating through the through hole of the clamping plate structure are arranged, and two sides of the clamping plate structure are respectively connected with the driving oil cylinder.

The connecting device is a U-shaped frame body, and a through pin shaft is arranged on the upper plate and the lower plate of the U-shaped frame body.

The connecting rod does not displace relative to the fixed seat in the axial direction, and the connecting rod can rotate relative to the fixed seat.

The left fixing plate of the fixing seat is integrally or movably connected with the fixing seat.

The utility model discloses an foretell technical scheme, structural design is simple, can detect the multinomial technical index of hose, still can carry out multinomial technical index's comprehensive testing, and further still can carry out analogue test to the long-term user state of hose, obtains the comprehensive data of the state of hose after repetitious usage, and then establishes the warning manual after using for a long time, provides better service for hose use unit, avoids appearing the accident in production and the use.

Description of the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is an enlarged schematic structural view of the stretching mechanism.

Fig. 3 is a perspective view of the twisting mechanism.

The specific implementation mode is as follows:

the detailed embodiments of the present invention are described in detail with reference to the accompanying drawings, and it should be noted that the embodiments of the present invention are provided to facilitate the understanding of the technical solutions of the present invention, and should not be construed as limiting the scope of the claims of the present invention.

Referring to fig. 1 to 3, the technical solution of the embodiment of the present invention is: the control operation panel is the prior art, controls the opening, closing or operation of the detection test device, gives an instruction to an operating mechanism to operate, simultaneously receives various detection signals of the detection test device, pre-stores a processing program of related detection signals in the control operation panel, and gives a corresponding expected result, the key is that a fixed seat 1 is provided with a strip-shaped groove 2, a hose assembly to be detected is placed in the strip-shaped groove 2 during detection, two ends of the strip-shaped groove 2 of the fixed seat 1 are provided with a left fixed plate 11 and a right fixed plate 12, the left fixed plate 11 is fixedly connected with an oil hydraulic cylinder 5 of a stretching mechanism, the end part of a piston rod 4 of the oil hydraulic cylinder 5 is provided with a connecting device, the right fixed plate 12 is provided with a rotatable connecting rod 3, one end of the connecting rod 3 is connected with the connecting device, and the connecting devices connected with the piston rod 4 and the connecting rod 3 are the, the two ends of the connecting rod 3 are connected with a joint at the end part of the hose to be detected, and the other end of the connecting rod is provided with a torsion mechanism and a sensor for acquiring hose deformation, which is connected with a control operation panel; during actual detection, the joints at the two ends of the hose are respectively and rigidly connected with the connecting devices at the ends of the piston rod 4 and the connecting rod 3, the rigid connection means that the connecting devices and the joints are not deformed when being subjected to acting force so as to avoid generating detection errors, the control operation panel gives instructions to the stretching mechanism and the torsion mechanism of the detection test device, the hydraulic cylinder 5 enables the piston rod 4 to do linear motion and the torsion mechanism to enable the connecting rod 3 to rotate, and then the detection test device can perform the following tests: 1. detecting the stretching limit of the hose; 2. deformation of the hose under different tensile forces; 3. detecting specific stretching times under different stretching forces; 4. detecting the lower hose in a twisting mode; 5. hose testing under simultaneous tension and torsion. The sensor connected with the control operation panel measures the tension of the hose, namely the tensile force and the force of the hose in the test, the hose is stressed when being stretched and twisted simultaneously, the sensor transmits various signals to the control operation panel, the control operation panel processes various signals and correspondingly obtains expected processing results, the results are beneficial to further improving the hose, the important point is that the service life of the hose can be reliably estimated, the hose can be used by a user in advance, and serious accidents which can occur after long-term use are avoided. The above-mentioned sensors are prior art, and various sensors suitable for the above-mentioned detection can be properly selected according to the basic structure of the hose, and how to arrange the sensors is also prior art, so that the detailed or detailed description of this part is omitted.

For further improve the utility model discloses an effect of detection is equipped with the range unit of measuring the hose deformation on the fixing base 1, the axial length of range unit measurement hose, this range unit is prior art, if utilize laser or ultrasonic ranging device, all can the accurate length of measuring the above-mentioned all kinds of hose when detecting of measuring, combine foretell tensile and the atress of hose when twisting and the data of hose length change, can more accurately obtain the state behind the hose atress, can reach the hose even under various atresss with the impaired result of fatigue of specific tensile number of times. Or/and another distance measuring device is opposite to the side surface of the hose, the radial deformation of the hose is measured, the shrinkage deformation of the outer diameter of the hose can be obtained, the deformation of the inner diameter of the hose can be calculated according to the original structural parameters of the hose, the inner section area of the hose under different tension can be obtained according to the data, the safety value of the flow in the hose under different tension can be obtained according to the pressure bearing performance of the hose, and guidance is provided for the safe use of a user.

The torsion mechanism is a clamping plate structure 8 which is provided with a clamping connecting rod 3, the clamping plate structure 8 is provided with an upper clamping plate and a lower clamping plate to form a through hole which can contain the connecting rod 3, two fixed pin shafts 9 which penetrate through the through hole of the clamping plate structure 8 are arranged, when in use, the fixed pin shafts 9 penetrate through the through hole on the connecting rod 3 to fix the connecting rod 3 and the clamping plate structure 8, the two sides of the clamping plate structure 8 are respectively connected with a driving oil cylinder 10, under the instruction of an operation panel, the driving oil cylinder 10 drives the clamping plate structure 8 to rotate by taking the axis of the connecting rod 3 as the center of a circle to drive the connecting rod 3 and a hose which is rigidly connected with the connecting rod 3 to rotate, different rotation amounts enable the hose to be subjected to different torsion forces so as to realize different detection requirements, the rotation of the clamping plate structure 8 can, to enable more complex or closer detection to actual use of the hose.

The stretching mechanism is an oil hydraulic cylinder 5 with a piston rod 4, the stretching mechanism is the prior art or other applicable mechanisms can be used, only a proper pressure pump is needed to drive the piston rod 4 of the stretching mechanism to stretch, the connecting device connected with the stretching mechanism is connected with the end head of the piston rod 4, the connecting device is a U-shaped frame body 6, and a through pin shaft 7 is arranged on the upper plate and the lower plate of the U-shaped frame body 6. In practical use, the end part of the hose joint with the through hole is inserted into the U-shaped groove of the U-shaped frame body 6, the pin shaft 7 is arranged to realize rigid connection between the hose joint and the connecting device, and the connecting device connected with one end of the connecting rod 3 is of the same structure, so detailed description is omitted. In essence, connecting rod 3 does not produce the displacement for fixing base 1 in the axial direction, but connecting rod 3 is rotatable for fixing base 1, and when carrying out the tensile test of hose, connecting rod 3 is motionless, can calculate the tension that the hose received through the pressure of hydraulic cylinder 5, it is required to explain that the utility model discloses a sensor and supporting equipment are current ripe technique, do not do detailed description.

Left fixed plate 11 and fixing base 1 be connected as an organic whole or swing joint, this swing joint is that left fixed plate 11 can follow 1 sliding displacement of fixing base, fixed connection again, this can make the test device conveniently adapts to waiting of different length and detects the hose.

The utility model has the advantages of simple structure, unique, can realize the detection to the various performance of hose.

Claims

1. The utility model provides a tensile and twist reverse detection test device of hose, including the control operation panel of control detection test device operation, its characterized in that fixing base (1) has a bar groove (2), bar groove (2) both ends of fixing base (1) have left fixed plate (11) and right fixed plate (12), left fixed plate (11) and stretching mechanism's oil hydraulic cylinder (5) fixed connection, the tip of piston rod (4) of oil hydraulic cylinder (5) is equipped with connecting device, right fixed plate (12) are equipped with a rotatable connecting rod (3), a connecting device is connected to the one end of connecting rod (3), the other end of connecting rod (3) is equipped with torsion mechanism, be equipped with the sensor of the collection hose deformation of being connected with control operation panel.

2. The device for testing the stretching and twisting of the hose according to claim 1, wherein the sensor is a distance measuring device for measuring the deformation of the hose on the holder (1).

3. A test rig for testing stretch and twist hoses according to claim 2, wherein said distance measuring device measures the axial length of the hose or/and another distance measuring device measures the radial deformation of the hose against the side surface of the hose.

4. The device for testing the stretching and twisting of hoses according to claim 1, 2 or 3, wherein said twisting mechanism has a clamping plate structure (8) for clamping the connecting rod (3), said clamping plate structure (8) having an upper clamping plate and a lower clamping plate forming a through hole for receiving the connecting rod (3), two fixing pins (9) being provided through said through hole of the clamping plate structure (8), the two sides of the clamping plate structure (8) being connected to the actuating cylinders (10) respectively.

5. The device for testing the stretch and twist of flexible tubes according to claim 4, wherein said connecting means is a U-shaped frame (6), and the upper and lower plates of the U-shaped frame (6) are provided with a through pin (7).

6. A test device for testing tensile and torsional hose according to claim 5, wherein the connecting rod (3) is not displaced in the axial direction relative to the holder (1), and the connecting rod (3) is rotatable relative to the holder (1).

7. The device for testing the stretching and twisting of the hose according to claim 6, wherein the left fixing plate (11) of the fixing base (1) is integrally or movably connected with the fixing base (1).