CN213779740U

CN213779740U - Carbon double-wall corrugated pipe rigidity experimental device

Info

Publication number: CN213779740U
Application number: CN202022790519.8U
Authority: CN
Inventors: 朱英勇
Original assignee: Jiangxi Eternal Pipe Technology Co ltd
Current assignee: Jiangxi Eternal Pipe Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-23
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to the technical field of corrugated pipe detection equipment, and discloses a carbon double-wall corrugated pipe rigidity experimental device, which comprises a box body, wherein a clamping block is arranged at the bottom of an inner cavity of the box body through threads, a supporting device is fixedly arranged at the bottom of the box body and positioned at the right side of the clamping block, an inner supporting device is fixedly arranged at the left side of the inner cavity of the box body, and a clamping block is arranged at the top of the inner supporting device through threads, and the carbon double-wall corrugated pipe rigidity experimental device realizes stable clamping of a carbon double-wall corrugated pipe and rigidity test of a longitudinal corrugated pipe ring through the matching of the inner supporting device, the clamping block and the clamping block, and the matching of a hydraulic device, an extrusion plate and a fixed block, thereby improving the stability of corrugated pipe clamping, avoiding the inaccuracy of measured data caused by the deviation of the corrugated pipe during extrusion test, the accuracy of the longitudinal rigidity test of the corrugated pipe ring is greatly improved.

Description

Carbon double-wall corrugated pipe rigidity experimental device

Technical Field

The utility model relates to a bellows check out test set technical field specifically is a carbon element double-walled bellows rigidity experimental apparatus.

Background

The carbon double-wall corrugated pipe is a novel pipe with an outer wall of an annular structure and a smooth inner wall, a key index in the detection of the carbon corrugated pipe is ring stiffness, the ring stiffness is a comprehensive parameter of the ring stiffness which is the external pressure load resistance of the corrugated pipe, and the ring stiffness is one of the keys in the detection in order to ensure that the corrugated pipe can work safely under an external pressure load. If the loop stiffness of the tubing is too low, the tubing may deform excessively or buckle destabilization may occur. On the contrary, if the rigidity of the ring is selected to be too high, the excessive section inertia moment is necessarily adopted, so that too much material is used, the cost is too high, and the detection of the rigidity of the double-wall threaded rod is necessary.

When the existing carbon double-wall corrugated pipe rigidity experiment device is used, when the experiment device detects a carbon double-wall corrugated pipe, a clamping tool is unstable in clamping the corrugated pipe, the corrugated pipe is deviated in the extrusion process to cause inaccuracy of test measurement data, and meanwhile, the corrugated pipes with different pipe diameters cannot be clamped, so that the rigidity of different corrugated pipes cannot be measured, most of the experiment devices can only measure the longitudinal rigidity of the corrugated pipe, and the transverse rigidity of the corrugated pipe cannot be measured, so that the device has unicity.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a carbon element double-walled bellows rigidity experimental apparatus has possessed and to have can be to the stable centre gripping of carbon element double-walled bellows, to advantages such as the test of the vertical rigidity with horizontal becket of bellows, when having solved the detection of carbon element double-walled bellows rigidity detection device to carbon element double-walled bellows becket, the bellows centre gripping is unstable, and causes the inaccuracy of test data and the problem of unable test bellows becket transverse rigidity.

(II) technical scheme

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a carbon element double-walled bellows rigidity experimental apparatus, includes the box, the bottom screw thread of box inner chamber is installed one and is pressed from both sides tight piece, the bottom of box and the right-hand fixed mounting that is located tight piece of a clamp have a strutting arrangement, the left side fixed mounting of box inner chamber has interior strutting arrangement, two tight pieces of clamp are installed to interior strutting arrangement's top screw thread, the right side fixed mounting of box has hydraulic means No. one, hydraulic means's left side fixed mounting has the stripper plate, the fixed block is installed to the top of stripper plate and the equal screw thread in bottom, the right side of box inner chamber and the top that is located a hydraulic means and the equal fixed mounting in below have a stopper, two the spout has all been seted up to the relative one side of stopper, the top of stripper plate and the bottom all with the internal surface sliding connection of spout.

Preferably, a motor is fixedly mounted at the top of the inner cavity of the box body, and a rotating shaft is fixedly mounted at the output end of the motor through a speed reducer.

Preferably, the bottom fixed mounting of pivot has a threaded rod No. one, the external surface threaded mounting of a threaded rod has the slider, the top of box and the right-hand fixed mounting who is located the motor have the side apart from the pole.

Preferably, the bottom of the sliding block is fixedly provided with a supporting block, and the bottom of the supporting block is fixedly provided with a pressing block.

Preferably, the supporting device comprises a supporting block, the top of the supporting block is U-shaped, a second hydraulic device is fixedly mounted at the bottom of the supporting block, and the bottom of the second hydraulic device is fixedly connected with the bottom of the inner cavity of the box body.

Preferably, the inner chamber of interior strutting arrangement rotates and installs the threaded rod No. two, the top of threaded rod No. two runs through interior strutting arrangement and extends to the outside of interior strutting arrangement, the top fixed mounting of threaded rod No. two has the rotation handle, No. two the outer surface screw thread of threaded rod installs interior spacer No. one, No. two the surface of threaded rod and be located the below screw thread of interior spacer and install interior spacer No. two.

(III) advantageous effects

Compared with the prior art, the utility model provides a carbon element double-walled bellows rigidity experimental apparatus possesses following beneficial effect: this carbon element double-walled bellows rigidity experimental apparatus accessible internal stay device presss from both sides the cooperation of tight piece and No. two tight pieces of clamp, rethread fixed block and stripper plate and hydraulic means's cooperation linkage, realize the fixed centre gripping to the carbon element double-walled bellows of different pipe diameters, prevent that the extrusion process from taking place the bellows skew, thereby measure the vertical pipe ring rigidity of bellows, rethread strutting arrangement and motor drive a threaded rod and rotate, drive the slider and move down the slider and extrude the bellows through the briquetting, thereby incline out the horizontal pipe ring rigidity of bellows.

1. This carbon element double-walled bellows rigidity experimental apparatus, through the cooperation of internal stay device and a tight piece of clamp and No. two tight pieces of clamp, the cooperation of rethread hydraulic means and stripper plate and fixed block to realized the stable centre gripping of carbon element double-walled bellows, and the test of the rigidity of vertical bellows pipe ring, improved the stability of bellows centre gripping, avoided the bellows to take place the skew when extrusion test and cause the inaccuracy of survey data, improved the accuracy of bellows pipe ring longitudinal rigidity test greatly.

2. This carbon element double-walled bellows rigidity experimental apparatus has realized the test of the horizontal pipe ring rigidity of bellows through the cooperation of strutting arrangement and motor and threaded rod and slide bar No. one, has realized also realizing the test of pipe ring horizontal rigidity when the vertical pipe ring rigidity of side volume, has increased experimental apparatus's high efficiency, has also reduced experimenter's working strength simultaneously, has improved the efficiency of experiment.

Drawings

Fig. 1 is a front view of the external structure of the present invention.

Fig. 2 is a front view of the supporting device of the present invention.

Fig. 3 is a front view of the internal stay device of the present invention.

In the figure: 1. a box body; 2. a first clamping block; 3. a support device; 4. an inner support device; 5. a second clamping block; 6. a first hydraulic device; 7. a pressing plate; 8. a fixed block; 9. a limiting block; 10. a chute; 11. a motor; 12. a rotating shaft; 13. a first threaded rod; 14. a slider; 15. a support block; 16. a support block; 17. a second hydraulic device; 18. a second threaded rod; 19. a first inner support block; 20. and a second inner support block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a carbon double-wall corrugated pipe rigidity testing device comprises a box body 1, a first clamping block 2 is installed at the bottom of an inner cavity of the box body 1 through threads, a supporting device 3 is fixedly installed at the bottom of the box body 1 and positioned at the right side of the first clamping block 2, an inner supporting device 4 is fixedly installed at the left side of the inner cavity of the box body 1, a second clamping block 5 is installed at the top of the inner supporting device 4 through threads, a first hydraulic device 6 is fixedly installed at the right side of the box body 1, a squeezing plate 7 is fixedly installed at the left side of the first hydraulic device 6, the first hydraulic device 6 comprises a hydraulic cylinder and a hydraulic rod, the left side of the hydraulic rod is fixedly connected with the right side of the squeezing block 7, the hydraulic cylinder is controlled by a Programmable Logic Controller (PLC) program, the hydraulic cylinder drives a telescopic rod to stretch to a set distance, fixed blocks 8 are installed at the top and the bottom of the squeezing plate 7 through threads, and limiting blocks 9 are fixedly installed at the right side of the inner cavity of the box body 1 and positioned above and below the first hydraulic device 6, the opposite sides of the two limit blocks 9 are respectively provided with a sliding groove 10, the top and the bottom of the extrusion plate 7 are respectively connected with the inner surface of the sliding groove 10 in a sliding manner, the top of the inner cavity of the box body 1 is fixedly provided with a motor 11, the motor 11 is controlled by a PLC programming program and can control the rotating speed and the forward rotation and the reverse rotation of the motor 11, the output end of the motor 11 is fixedly provided with a rotating shaft 12 through a speed reducer, the bottom end of the rotating shaft 12 is fixedly provided with a first threaded rod 13, the outer surface of the first threaded rod 13 is provided with a sliding block 14, the top of the box body 1 is fixedly provided with a side distance rod at the right side of the motor 11, the bottom of the sliding block 14 is fixedly provided with a supporting block 15, the bottom of the supporting block 15 is fixedly provided with a pressing block, the supporting device 3 comprises a supporting block 16, the top of the supporting, hydraulic means 17 includes pneumatic cylinder and hydraulic stem, the top of hydraulic stem and the bottom fixed connection of tray 16, the pneumatic cylinder receives PLC programming program control, the pneumatic cylinder drives the telescopic link and stretches out and draws back to setting for the distance, interior strutting arrangement 4's inner chamber is rotated and is installed threaded rod 18 No. two, strutting arrangement 4 and the outside that extends to interior strutting arrangement 4 are run through on the top of threaded rod 18 No. two, the top fixed mounting of threaded rod 18 rotates the handle, No. two threaded rod 18's outer surface threaded mounting has interior vaulting block 19 No. one, No. two threaded rod 18's surface and be located interior vaulting block 19's below screw thread and install interior vaulting block 20 No. two.

The working principle is as follows: firstly, a user sleeves the left end of a carbon double-wall corrugated pipe into an inner supporting device 4 in a box body 1, a second threaded rod 18 is rotated by rotating a rotating handle, the second threaded rod 18 drives a first inner supporting block 19 to move upwards and a second inner supporting block 20 to move downwards so as to support the inner surface of the carbon double-wall corrugated pipe, then a first clamping block 2 and a second clamping block 5 are rotated to clamp the carbon corrugated pipe, the right end of the carbon double-wall corrugated pipe is clamped on a fixing block 8 on a pressing plate 7, a first hydraulic device 6 is started, a first hydraulic device 6 pushes the pressing plate 7 to extrude the carbon double-wall corrugated pipe, the pressing block slides in a chute 10 on a limiting block 9, the extrusion force is measured by a pressure sensor on the pressing plate 7 and then is moved by the distance of the first hydraulic device 6 so as to test the longitudinal rigidity of a pipe ring, a second hydraulic device 17 is started, and the second hydraulic device 17 pushes a supporting block 16 to move upwards, the supporting block 16 supports the carbon double-wall corrugated pipe, the motor 11 is started to drive the rotating shaft 12 to rotate, the rotating shaft 12 drives the first threaded rod 13 to rotate, the first threaded rod 13 drives the sliding block 14 to move downwards, the sliding block 14 drives the supporting block 15 to move downwards, the supporting block 15 drives the pressing block to move downwards to extrude the carbon double-wall corrugated pipe, and the horizontal rigidity of the corrugated pipe ring is measured according to the pressure value of the stress sensor on the pressing block and the moving distance of the reading sliding block 14.

In conclusion, the rigidity test device for the carbon double-wall corrugated pipe can realize the fixed clamping of the carbon double-wall corrugated pipes with different pipe diameters by the matching of the inner support device 4, the first clamping block 2 and the second clamping block 5 and the matching linkage of the fixed block 8, the extrusion plate 7 and the first hydraulic device 6, so as to prevent the corrugated pipes from deviating in the extrusion process, thereby measuring the rigidity of the longitudinal pipe rings of the corrugated pipes, and then the support device 3 and the motor 11 drive the first threaded rod 13 to rotate, so as to drive the sliding block 14 to move downwards to drive the sliding block 14 to extrude the corrugated pipes through the pressing blocks, thereby measuring the rigidity of the transverse pipe rings of the corrugated pipes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a carbon element double-walled bellows rigidity experimental apparatus, includes box (1), its characterized in that: the bottom of the inner cavity of the box body (1) is provided with a first clamping block (2) in a threaded manner, the bottom of the box body (1) is provided with a supporting device (3) in a fixed manner at the right side of the first clamping block (2), the left side of the inner cavity of the box body (1) is provided with an inner supporting device (4), the top of the inner supporting device (4) is provided with a second clamping block (5) in a threaded manner, the right side of the box body (1) is provided with a first hydraulic device (6) in a fixed manner, the left side of the first hydraulic device (6) is provided with an extrusion plate (7) in a fixed manner, the top and the bottom of the extrusion plate (7) are provided with a fixed block (8) in an equal threaded manner, the right side of the inner cavity of the box body (1) is provided with a limiting block (9) in a fixed manner above and below the first hydraulic device (6), and one side of the limiting block (9) opposite is provided with a sliding groove (10), the top and the bottom of the extrusion plate (7) are both connected with the inner surface of the chute (10) in a sliding way.

2. The apparatus for testing rigidity of carbon double-wall corrugated pipe according to claim 1, wherein: the top fixed mounting of box (1) inner chamber has motor (11), the output of motor (11) passes through speed reducer fixed mounting and has pivot (12).

3. The apparatus for testing rigidity of carbon double-wall corrugated pipe according to claim 2, wherein: the bottom fixed mounting of pivot (12) has threaded rod (13) No. one, the external surface screw thread of threaded rod (13) installs slider (14), the right-hand fixed mounting that the top of box (1) just is located motor (11) has the side apart from the pole.

4. The apparatus for testing rigidity of carbon double-wall corrugated pipe according to claim 3, wherein: the bottom of slider (14) fixed mounting has supporting shoe (15), the bottom fixed mounting of supporting shoe (15) has the briquetting.

5. The apparatus for testing rigidity of carbon double-wall corrugated pipe according to claim 3, wherein: the supporting device (3) comprises a supporting block (16), the top of the supporting block (16) is U-shaped, a second hydraulic device (17) is fixedly mounted at the bottom of the supporting block (16), and the bottom of the second hydraulic device (17) is fixedly connected with the bottom of an inner cavity of the box body (1).

6. The apparatus for testing rigidity of carbon double-wall corrugated pipe according to claim 5, wherein: inner chamber of interior strutting arrangement (4) rotates and installs threaded rod (18) No. two, the top of threaded rod (18) runs through interior strutting arrangement (4) and extends to the outside of interior strutting arrangement (4), the top fixed mounting of threaded rod (18) No. two has the rotation handle, No. two interior kicker blocks (19) are installed to the surface screw thread of threaded rod (18) No. two, No. two interior kicker blocks (20) are installed to the surface of threaded rod (18) and the below screw thread that is located interior kicker blocks (19) No. one.