CN217359416U

CN217359416U - Rubber hose fatigue testing machine

Info

Publication number: CN217359416U
Application number: CN202220285406.9U
Authority: CN
Inventors: 耿然; 公磊; 李东坡
Original assignee: Jinan Yinuo Century Test Instrument Co ltd
Current assignee: Jinan Yinuo Century Test Instrument Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-09-02
Anticipated expiration: 2032-02-11

Abstract

The utility model relates to the technical field of fatigue testing machines, in particular to a rubber hose fatigue testing machine which improves the convenience of testing operation, is convenient for testing rubber hoses with different lengths and improves the experimental effect of the device on the rubber hoses; the on-line screen storage device comprises a base, first platform, reciprocating device, first slide rail, first slider, the second platform, the first pneumatic cylinder of multiunit, first mount, the multiunit second slide rail, the second slider, the second mount, clamping device and strutting arrangement, first platform sets up in base top right part, first slide rail sets up in base top left part, first slider horizontal slip mounting is on first slide rail, the second platform bottom is connected with first slider top, the stiff end of the first pneumatic cylinder of multiunit is all installed on first platform inside wall, the removal end of the first pneumatic cylinder of multiunit all is connected with second platform right-hand member, first mount bottom is connected with second platform top, multiunit second slide rail bottom all is connected with first platform top.

Description

Rubber hose fatigue testing machine

Technical Field

The utility model relates to a fatigue testing machine's technical field especially relates to a flexible rubber hose fatigue testing machine.

Background

With the improvement of the mechanization level of China and the application of new materials, the rubber pipe belt industry continuously interpenetrates with related fields, the application range and the field of the rubber pipe belt are expanded, products are widely applied to the fields of coal, metallurgy, cement, harbors, mines, petroleum, automobiles, textiles, light industry, engineering machinery, construction, oceans, agriculture, aviation, aerospace and the like, when the conventional device for performing the fatigue test on the rubber hose is used, the conventional test device has poor operation convenience when performing the torsional fatigue test on the rubber hose, and the device is not convenient for performing proper distance adjustment according to the rubber hoses with different lengths, so that the test effect of the rubber hose is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve test operation's convenience is convenient for test the flexible rubber hose of different length, improves the flexible rubber hose fatigue testing machine of device to flexible rubber hose's experiment effect.

The utility model relates to a rubber hose fatigue testing machine, which comprises a base, a first platform, a reciprocating device, a first slide rail, a first slide block, a second platform, a plurality of groups of first hydraulic cylinders, a first fixing frame, a plurality of groups of second slide rails, a second slide block, a second fixing frame, a clamping device and a supporting device, wherein the first platform is arranged at the right part of the top end of the base, the first slide rail is arranged at the left part of the top end of the base, the first slide block is arranged on the first slide rail in a left-right sliding manner, the bottom end of the second platform is connected with the top end of the first slide rail, the fixed ends of the plurality of groups of first hydraulic cylinders are arranged on the inner side wall of the first platform, the moving ends of the plurality of groups of first hydraulic cylinders are connected with the right end of the second platform, the bottom end of the first fixing frame is connected with the top end of the second platform, the bottom ends of the plurality of groups of second slide rails are connected with the top end of the first platform, the second slide rails are arranged on the plurality of groups of second slide rails in a left-right sliding manner, the first platform is internally provided with the reciprocating device, the reciprocating device drives the second sliding block to slide, the bottom end of the second fixing frame is connected with the top end of the second sliding block, two groups of clamping devices are respectively installed on the outer side walls of the first fixing frame and the second fixing frame in a mirror image mode, the clamping devices are used for clamping and fixing the rubber hose body, the supporting device is arranged between the two groups of clamping devices, and the supporting device is installed on a plurality of groups of second sliding rails in a sliding mode; two ends of a rubber hose to be tested are respectively fixed on a first fixing frame and a second fixing frame through two groups of clamping devices, the middle part of the rubber hose is fixed on a supporting device, the reciprocating device drives the second slide block to move rightwards or rightwards, so that the second slide block drives the second fixed frame to move synchronously, when the second fixed frame moves leftwards, the second fixed frame pushes the right end of the rubber hose to move synchronously, so that the middle part of the rubber hose moves and bends simultaneously, thereby performing a torsional fatigue test on the rubber hose, improving the convenience of the test operation, enabling the plurality of groups of first hydraulic cylinders to push the second platform to move left and right by adjusting the telescopic length of the plurality of groups of first hydraulic cylinders, thereby be convenient for adjust the distance between first mount and the second mount, be convenient for test the flexible rubber hose of different length, improve the experimental effect of device to flexible rubber hose.

Preferably, the clamping device comprises two groups of cylinders, two groups of second hydraulic cylinders, two groups of trapezoidal blocks, a plurality of groups of sliding sleeves, a plurality of groups of supporting columns, a plurality of groups of arc-shaped plates, a plurality of groups of limiting plates, a plurality of groups of springs and a plurality of groups of arc-shaped blocks, wherein the two groups of cylinders are respectively arranged on the front side walls of the first fixing frame and the second fixing frame, the fixed ends of the two groups of second hydraulic cylinders are respectively arranged on the rear side walls of the first fixing frame and the second fixing frame, the two groups of trapezoidal blocks are respectively arranged on the moving ends of the two groups of second hydraulic cylinders, the two groups of trapezoidal blocks are respectively arranged in the two groups of cylinders, the plurality of groups of sliding sleeves are respectively arranged on the outer side walls of the two groups of cylinders, the plurality of supporting columns are respectively arranged on the plurality of sliding sleeves in a sliding manner, the bottom ends of the plurality of arc-shaped plates are respectively connected with the top ends of the plurality of groups of supporting columns, the plurality of limiting plates are respectively sheathed on the outer side walls of the lower parts of the supporting columns, the plurality of springs are respectively arranged on the outer side walls of the supporting columns in a matching manner, the plurality of groups of arc-shaped blocks are respectively arranged at the bottom ends of the plurality of groups of supporting columns; with the outside of rubber hose's the suit respectively at both ends about in two sets of barrels, promote the outside opposite direction removal of two sets of trapezoidal pieces through the second pneumatic cylinder, the lateral wall that makes two sets of trapezoidal pieces promotes the outside removal of multiunit support column through the bottom friction contact with multiunit arc piece, thereby make the multiunit support column promote the outside expansion of multiunit arc and move, and then fix rubber hose after the lateral wall that makes the multiunit arc contacts with the rubber hose inside wall, improve fixed fastness, improve the convenience that the device is fixed to the rubber hose of different internal diameters simultaneously.

Preferably, the supporting device comprises a third sliding block, a fourth sliding block, a supporting frame, two groups of third hydraulic cylinders and two groups of clamping plates, the bottom end of the third sliding block is arranged at the top end of the plurality of groups of second sliding rails in a left-right sliding mode, a sliding groove is formed in the top end of the third sliding block, the fourth sliding block is arranged in the sliding groove of the third sliding block in a front-back sliding mode, the bottom end of the supporting frame is connected with the top end of the fourth sliding block, the fixed ends of the two groups of third hydraulic cylinders are respectively arranged on the outer side walls of the front side and the rear side of the supporting frame, and the two groups of clamping plates are respectively arranged on the moving ends of the two groups of third hydraulic cylinders in a mirror image mode; set up rubber hose's middle part between two sets of splint, promote two sets of splint inside opposite displacement through opening two sets of third pneumatic cylinders, make two sets of splint fixed with rubber hose's middle part centre gripping, when the rubber hose middle part takes place to remove crooked, through the cooperation horizontal slip of third slider on the multiunit spring, make the fourth slider coordinate the back-and-forth movement in the spout of third slider simultaneously to improve the fixed convenience at rubber hose middle part, improve experimental convenience.

Preferably, the reciprocating device comprises a partition plate, an internal thread sliding block, a lead screw and a motor, a sliding groove is formed in the top end of the first platform, the partition plate is installed on the inner side wall of the sliding groove of the first platform, the internal thread sliding block is arranged inside the sliding groove of the first platform in a left-right sliding mode, the left end of the lead screw is rotatably connected with the right end of the partition plate, the right end of the limiting plate is rotatably connected with the inner side wall of the first platform, the internal thread sliding block is installed on the outer side wall of the lead screw in a matched mode, the top end of the internal thread sliding block is connected with the bottom end of the second sliding block, the motor is installed on the right side wall of the first platform, and the output end of the motor is concentrically connected with the right end of the lead screw; the motor is started to drive the lead screw to rotate, the lead screw rotates to enable the internal thread sliding block to drive the second sliding block to move left and right in a reciprocating mode, so that the second fixing frame pushes the right end of the rubber hose to move, and the convenience of the test is improved.

Preferably, the anti-skid device further comprises a plurality of groups of anti-skid pads, wherein the plurality of groups of anti-skid pads are respectively arranged on the outer side walls of the plurality of groups of arc-shaped plates; through setting up the multiunit slipmat, improve the anti-skidding effect of multiunit arc lateral wall, improve the stability that multiunit arc is fixed to hose.

Preferably, the device also comprises a plurality of groups of support legs, wherein the plurality of groups of support legs are all arranged at the bottom end of the base; through setting up the multiunit stabilizer blade, improve the steady effect of base bottom, improve the holistic stability in use of device.

Compared with the prior art, the beneficial effects of the utility model are that: two ends of a rubber hose to be tested are respectively fixed on the first fixing frame and the second fixing frame through two groups of clamping devices, the middle part of the rubber hose is fixed on the supporting device, the reciprocating device drives the second slide block to move rightwards or rightwards, so that the second slide block drives the second fixed frame to move synchronously, when the second fixed frame moves leftwards, the second fixed frame pushes the right end of the rubber hose to move synchronously, so that the middle part of the rubber hose moves and bends simultaneously, thereby performing a torsional fatigue test on the rubber hose, improving the convenience of test operation, enabling the plurality of groups of first hydraulic cylinders to push the second platform to move left and right by adjusting the telescopic lengths of the plurality of groups of first hydraulic cylinders, thereby be convenient for adjust the distance between first mount and the second mount, be convenient for test the rubber hose of different length, improve the experimental effect of device to rubber hose.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a partial structural view of a second hydraulic cylinder connected to a trapezoidal block or the like;

FIG. 3 is a schematic view of a part of the axial structure of the connection of the third slider and the fourth slider;

FIG. 4 is a partial schematic view of the connection of an internally threaded slider with a second slider, etc.;

in the drawings, the reference numbers: 1. a base; 2. a first platform; 3. a first slide rail; 4. a first slider; 5. a second platform; 6. a first hydraulic cylinder; 7. a first fixing frame; 8. a second slide rail; 9. a second slider; 10. a second fixing frame; 11. a barrel; 12. a second hydraulic cylinder; 13. a trapezoidal block; 14. a sliding sleeve; 15. a support pillar; 16. an arc-shaped plate; 17. a limiting plate; 18. a spring; 19. An arc-shaped block; 20. a third slider; 21. a fourth slider; 22. a support frame; 23. a third hydraulic cylinder; 24. a splint; 25. a partition plate; 26. an internal thread slider; 27. a lead screw; 28. a motor; 29. a non-slip mat; 30. and (3) a support leg.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The first platform 2 is arranged at the right part of the top end of the base 1, the first slide rail 3 is arranged at the left part of the top end of the base 1, the first slide block 4 is arranged on the first slide rail 3 in a left-right sliding manner, the bottom end of the second platform 5 is connected with the top end of the first slide block 4, the fixed ends of a plurality of groups of first hydraulic cylinders 6 are all arranged on the inner side wall of the first platform 2, the moving ends of a plurality of groups of first hydraulic cylinders 6 are all connected with the right end of the second platform 5, the bottom end of the first fixing frame 7 is connected with the top end of the second platform 5, the bottom ends of a plurality of groups of second slide rails 8 are all connected with the top end of the first platform 2, the second slide block 9 is arranged on a plurality of groups of second slide rails 8 in a left-right sliding manner, the bottom end of the second fixing frame 10 is connected with the top end of the second slide block 9, two groups of cylinder bodies 11 are respectively arranged on the front side walls of the first fixing frame 7 and the second fixing frame 10, the fixed ends of the second hydraulic cylinders 12 are respectively arranged on the rear side walls of the first fixing frame 7 and the second fixing frame 10, two groups of trapezoidal blocks 13 are respectively arranged on the moving ends of two groups of second hydraulic cylinders 12, and two groups of trapezoidal blocks 13 are respectively arranged inside two groups of cylinders 11, a plurality of groups of sliding sleeves 14 are respectively arranged on the outer side walls of the two groups of cylinders 11, a plurality of groups of supporting columns 15 are respectively arranged on the plurality of groups of sliding sleeves 14 in a sliding manner, the bottom ends of a plurality of groups of arc-shaped plates 16 are respectively connected with the top ends of a plurality of groups of supporting columns 15, a plurality of groups of limiting plates 17 are respectively sleeved on the outer side walls of the lower parts of the plurality of groups of supporting columns 15, a plurality of groups of springs 18 are respectively arranged on the outer side walls of the plurality of groups of supporting columns 15 in a matching manner, a plurality of groups of arc-shaped blocks 19 are respectively arranged at the bottom ends of the plurality of groups of supporting columns 15, the bottom ends of the third sliding blocks 20 are respectively arranged at the top ends of a plurality of second sliding rails 8 in a sliding manner, the top ends of the third sliding blocks 20 are respectively arranged inside the sliding grooves of the fourth sliding blocks 20 in a front-back sliding manner, the bottom ends of the supporting frames 22 are connected with the top ends of the fourth blocks 21, two groups of clamping plates 24 are respectively installed on the moving ends of two groups of third hydraulic cylinders 23 in a mirror image mode, a sliding groove is formed in the top end of the first platform 2, a partition plate 25 is installed on the inner side wall of the sliding groove of the first platform 2, an internal thread sliding block 26 is arranged inside the sliding groove of the first platform 2 in a left-right sliding mode, the left end of a lead screw 27 is rotatably connected with the right end of the partition plate 25, the right end of a limiting plate 17 is rotatably connected with the inner side wall of the first platform 2, the internal thread sliding block 26 is installed on the outer side wall of the lead screw 27 in a matched mode, the top end of the internal thread sliding block 26 is connected with the bottom end of a second sliding block 9, a motor 28 is installed on the right side wall of the first platform 2, the output end of the motor 28 is concentrically connected with the right end of the lead screw 27, a plurality of groups of anti-skid pads 29 are respectively arranged on the outer side walls of a plurality of groups of arc-shaped plates 16, and a plurality of supporting feet 30 are arranged at the bottom end of the base 1; the two ends of a rubber hose to be tested are respectively fixed on a first fixing frame 7 and a second fixing frame 10 through two groups of clamping devices, the middle part of the rubber hose is fixed on a supporting device, a reciprocating device drives a second sliding block 9 to move rightwards or rightwards, the second sliding block 9 drives a second fixing frame 10 to synchronously move, when the second fixing frame 10 moves leftwards, the second fixing frame 10 pushes the right end of the rubber hose to synchronously move, the middle part of the rubber hose moves and bends simultaneously, so that the rubber hose is subjected to a torsional fatigue test, the convenience of test operation is improved, the multiple groups of first hydraulic cylinders 6 push a second platform 5 to move leftwards and rightwards by adjusting the telescopic lengths of the multiple groups of first hydraulic cylinders 6, the distance between the first fixing frame 7 and the second fixing frame 10 is convenient to adjust, and the rubber hoses with different lengths are convenient to test, the experimental effect of the device on the rubber hose is improved.

As shown in FIGS. 1 to 4, the utility model relates to a rubber hose fatigue testing machine, when in operation, the left and right ends of a rubber hose are respectively sleeved outside two sets of cylinders 11, the two sets of trapezoidal blocks 13 are pushed to move outwards and oppositely by a second hydraulic cylinder 12, the outer side walls of the two sets of trapezoidal blocks 13 push a plurality of sets of supporting columns 15 to move outwards by frictional contact with the bottom ends of a plurality of sets of arc blocks 19, so that the plurality of sets of supporting columns 15 push a plurality of sets of arc plates 16 to expand and move outwards, the outer side walls of the plurality of sets of arc plates 16 are fixed with the rubber hose after contacting with the inner side wall of the rubber hose, then a reciprocating device drives a second slider 9 to move rightwards or rightwards, the second slider 9 drives a second fixing frame 10 to move synchronously, when the second fixing frame 10 moves leftwards, the second fixing frame 10 pushes the right end of the rubber hose to move synchronously, so that the middle part of the rubber hose moves and bends simultaneously, thereby carry out distortion fatigue test to hose, then through the flexible length of adjusting the first pneumatic cylinder 6 of multiunit, make the first pneumatic cylinder 6 of multiunit promote the second platform 5 and control the position and remove to be convenient for adjust the distance between first mount 7 and the second mount 10, be convenient for test the hose of different length.

The utility model discloses the main function who realizes does: drive second slider 9 through reciprocating device and move right or right, make second slider 9 drive second mount 10 synchronous motion, when second mount 10 moves left, second mount 10 promotes rubber hose's right-hand member synchronous motion, make rubber hose's middle part take place to remove and crooked simultaneously, thereby carry out distortion fatigue test to rubber hose, improve test operation's convenience, through the flexible length of adjusting the first pneumatic cylinder 6 of multiunit, make the first pneumatic cylinder 6 of multiunit promote second platform 5 and control position movement, thereby be convenient for adjust the distance between first mount 7 and the second mount 10, be convenient for test the rubber hose of different length, improving means is to rubber hose's experiment effect.

The rubber hose fatigue testing machine of the utility model has the advantages that the installation mode, the connection mode or the setting mode are common mechanical modes, and the rubber hose fatigue testing machine can be implemented as long as the beneficial effects can be achieved; the utility model discloses a first pneumatic cylinder 6, second pneumatic cylinder 12, third pneumatic cylinder 23 and motor 28 of flexible rubber hose fatigue testing machine are purchase on the market, this industry technical staff only need according to its subsidiary specification install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A rubber hose fatigue testing machine is characterized by comprising a base (1), a first platform (2), a reciprocating device, a first slide rail (3), a first slide block (4), a second platform (5), a plurality of groups of first hydraulic cylinders (6), a first fixing frame (7), a plurality of groups of second slide rails (8), a second slide block (9), a second fixing frame (10), a clamping device and a supporting device, wherein the first platform (2) is arranged at the right part of the top end of the base (1), the first slide rail (3) is arranged at the left part of the top end of the base (1), the first slide block (4) is arranged on the first slide rail (3) in a left-right sliding mode, the bottom end of the second platform (5) is connected with the top end of the first slide block (4), the fixed ends of the plurality of groups of first hydraulic cylinders (6) are all arranged on the inner side wall of the first platform (2), the moving ends of the plurality of groups of first hydraulic cylinders (6) are all connected with the right end of the second platform (5), first mount (7) bottom is connected with second platform (5) top, multiunit second slide rail (8) bottom all is connected with first platform (2) top, second slider (9) horizontal slidable mounting is on multiunit second slide rail (8), be provided with reciprocating device in first platform (2), reciprocating device drives the slip of second slider (9), second mount (10) bottom is connected with second slider (9) top, two sets of clamping device mirror image respectively are installed on the lateral wall of first mount (7) and second mount (10), clamping device is used for fixing the centre gripping of rubber hose body, strutting arrangement sets up between two sets of clamping device, and strutting arrangement slidable mounting is on multiunit second slide rail (8).

2. The rubber hose fatigue testing machine of claim 1, wherein the clamping device comprises two sets of cylinders (11), two sets of second hydraulic cylinders (12), two sets of trapezoidal blocks (13), a plurality of sliding sleeves (14), a plurality of support columns (15), a plurality of arc plates (16), a plurality of limit plates (17), a plurality of springs (18) and a plurality of arc blocks (19), the two sets of cylinders (11) are respectively installed on the front side walls of the first fixing frame (7) and the second fixing frame (10), the fixed ends of the two sets of second hydraulic cylinders (12) are respectively installed on the rear side walls of the first fixing frame (7) and the second fixing frame (10), the two sets of trapezoidal blocks (13) are respectively installed on the moving ends of the two sets of second hydraulic cylinders (12), the two sets of trapezoidal blocks (13) are respectively arranged inside the two sets of cylinders (11), the plurality of sliding sleeves (14) are respectively arranged on the outer side walls of the two sets of cylinders (11), the multi-group supporting columns (15) are arranged on the multi-group sliding sleeves (14) in a sliding mode respectively, the bottoms of the multi-group arc-shaped plates (16) are connected with the tops of the multi-group supporting columns (15) respectively, the multi-group limiting plates (17) are sleeved on the outer side walls of the lower portions of the multi-group supporting columns (15) respectively, the multi-group springs (18) are installed on the outer side walls of the multi-group supporting columns (15) in a matching mode respectively, and the multi-group arc-shaped blocks (19) are arranged at the bottoms of the multi-group supporting columns (15) respectively.

3. The rubber hose fatigue testing machine as claimed in claim 1, wherein the supporting device comprises a third slider (20), a fourth slider (21), a supporting frame (22), two sets of third hydraulic cylinders (23) and two sets of clamping plates (24), the bottom end of the third slider (20) is installed at the top end of the plurality of sets of second sliding rails (8) in a left-right sliding manner, the top end of the third slider (20) is provided with a sliding groove, the fourth slider (21) is arranged inside the sliding groove of the third slider (20) in a front-back sliding manner, the bottom end of the supporting frame (22) is connected with the top end of the fourth slider (21), the fixed ends of the two sets of third hydraulic cylinders (23) are respectively installed on the outer side walls of the front side and the rear side of the supporting frame (22), and the two sets of clamping plates (24) are respectively installed on the moving ends of the two sets of third hydraulic cylinders (23) in a mirror image manner.

4. The rubber hose fatigue testing machine as claimed in claim 1, wherein the reciprocating device comprises a partition plate (25), an internal thread slider (26), a lead screw (27) and a motor (28), a sliding groove is arranged at the top end of the first platform (2), the partition plate (25) is installed on the inner side wall of the sliding groove of the first platform (2), the internal thread slider (26) is arranged inside the sliding groove of the first platform (2) in a left-right sliding manner, the left end of the lead screw (27) is rotatably connected with the right end of the partition plate (25), the right end of the limiting plate (17) is rotatably connected with the inner side wall of the first platform (2), and interior thread slider (26) cooperation is installed on lead screw (27) lateral wall, and interior thread slider (26) top is connected with second slider (9) bottom, and motor (28) are installed on first platform (2) right side wall, and motor (28) output and lead screw (27) right-hand member are connected with one heart.

5. A rubber hose fatigue testing machine according to claim 2, further comprising a plurality of sets of anti-slip pads (29), wherein the plurality of sets of anti-slip pads (29) are respectively disposed on the outer side walls of the plurality of sets of arc-shaped plates (16).

6. A rubber hose fatigue testing machine according to claim 1, further comprising a plurality of groups of supporting feet (30), wherein the groups of supporting feet (30) are all arranged at the bottom end of the base (1).