CN219475240U

CN219475240U - Bellows flexibility test device

Info

Publication number: CN219475240U
Application number: CN202320656344.2U
Authority: CN
Inventors: 陈辉艳; 邹学析; 廖天化; 陈立; 耿洁洁
Original assignee: Sichuan Xingao Engineering Quality Testing Co ltd
Current assignee: Sichuan Xingao Engineering Quality Testing Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-08-04
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a corrugated pipe flexibility test device which comprises a bottom plate, a mounting box and a supporting frame, wherein the top end of the bottom plate is provided with a lifting structure, the top end of the lifting structure is provided with a test board, one side of the top end of the bottom plate is provided with the supporting frame, and the bottom end of the supporting frame is provided with a moving structure. According to the utility model, the fixing pins are pulled to leave the interior of the shell, and then the test plate is moved to drive the shell to lift and adjust the height, so that bellows with different diameters are convenient to contact with the test plate with corresponding height for testing, meanwhile, the sliding rod slides along the sliding sleeve to ensure the stability of the test plate, two groups of fixing pins are inserted into the shell, and the two corresponding groups of slots are pushed to be tightly sucked with the magnet blocks to support and fix the adjusted shell, so that the stability of the test plate is ensured, thereby realizing the lifting and lowering convenience of the device, improving the functionality of the device, increasing the flexibility of the bending range of the device for testing, and facilitating the targeted testing.

Description

Bellows flexibility test device

Technical Field

The utility model relates to the technical field of corrugated pipes, in particular to a corrugated pipe flexibility test device.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching directions, the corrugated pipe is widely applied to instruments and meters, the corrugated pipe is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, and in the production process of the corrugated pipe, in order to avoid the conditions of insufficient flexibility, breakage and the like of the corrugated pipe, a flexibility test device is very necessary to detect the flexibility of the corrugated pipe;

the Chinese patent grant bulletin No. CN217384970U, bulletin day 2022, 09 and 06, discloses a corrugated pipe flexibility test device, which aims at the problem of lower corrugated pipe installation efficiency, and the scheme is proposed, and the corrugated pipe flexibility test device comprises an operation table, wherein an L-shaped support frame is arranged on the operation table, a telescopic cylinder is arranged on the L-shaped support frame, a storage groove is formed in the middle of the top surface of the operation table, self-clamping mechanisms are arranged on two sides of the top surface of the operation table, supporting plates are arranged on two sides of the inside of the storage groove in a sliding manner, and a supporting mechanism is arranged between the supporting plates and the inner wall of the bottom end of the storage groove; according to the utility model, the corrugated pipe can be supported on the operation table by the supporting plate in an auxiliary manner through the arrangement of the supporting mechanism, so that the stability of the corrugated pipe when the corrugated pipe is placed on the operation table is ensured, the corrugated pipe is not required to be supported for a long time manually, the manual participation process is reduced, the self-fixing effect of the corrugated pipe is realized through the self-clamping mechanism, the installation hoop locking is not required to be realized one by personnel, the manual participation is effectively reduced, and the practicability is improved;

the prior art scheme has the following defects: among the above-mentioned technical scheme, the device has the defect of being inconvenient for the lift and adjust when using, can make the experimental curb plate height fixed on the flexibility test device like this, make too thick or too thin bellows can only contact with the experimental curb plate of fixed height and carry out single bending degree test detection, lead to too thin bellows bending degree to surpass the limit and appear breaking or too thick bellows bending degree and can not reach the limit that needs, seriously influence the experimental accuracy of different bellows pliability, make the experimental scope of flexibility of device also limited simultaneously to make the practicality of device reduce.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a corrugated pipe flexibility test device for solving the problems in the background art.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: bellows pliability test device, including bottom plate, mounting box and support frame, the top of bottom plate is provided with elevation structure, and elevation structure's top is provided with experimental survey board, mounting box is all installed to the both sides on bottom plate top, and installs one side of box and install step motor, first lead screw is installed to one side of step motor, and one side of first lead screw installs the connection pad, the second lead screw is installed to one side of connection pad, the outside thread engagement of first lead screw has the cover piece, and the top of cover piece installs splint, the inserted bar is installed to the inside bottom of mounting box, the support frame is installed to one side on bottom plate top, and the bottom of support frame is provided with moving structure, one side of moving structure is provided with the clamp plate, elevation structure includes slide bar, sliding sleeve, fixed pin, slot, magnet piece, supporting shoe and cover shell, the both sides of slide bar are all fixed in the both sides of experimental survey board bottom, the outside cover of sliding sleeve is equipped with the supporting shoe, and the inside of supporting shoe both sides has all seted up the slot, the inside of slot is provided with the magnet piece, the supporting shoe is equipped with the sleeve, and the outside of supporting shoe is equipped with the fixed pin.

The bellows flexibility test device of this technical scheme is used, leave the inside of cover shell through pulling two sets of fixed pins in proper order, the test measuring board of pulling immediately drives the cover shell and carries out the lift adjustment height, the bellows of different diameters of being convenient for is buckled the contact with the test measuring board of corresponding height and is carried out the flexibility degree test that corresponds, four sets of slide bars slide along the inner wall of four sets of sliding sleeves respectively simultaneously and lead, after test measuring board goes up and down to suitable height, insert in two sets of holes of cover shell through taking two sets of fixed pins, and promote two sets of fixed pins to get into and inhale tightly fixedly with the magnetite piece in two sets of slots that correspond with two sets of holes on the cover shell after adjusting, be convenient for support fixed with cover shell after adjusting with the supporting shoe, guarantee the stability of test measuring board.

Preferably, the casing is welded with the test board and integrally constructed, makes casing and test board be connected inseparabler, and the test board of being convenient for drives the casing and reciprocates, the fixed pin in the casing passes the supporting shoe and contacts with the magnetite piece. The fixing pin passing through the hole of the shell is enabled to enter the supporting block to be contacted with the magnet block for sucking.

Preferably, the supporting block and the bottom plate are in a welding integrated structure, so that the supporting block is connected with the bottom plate more tightly, the supporting block is convenient to prevent from falling off from the bottom plate, a plurality of groups of slots are formed, and the plurality of groups of equidistant distributed slots are used for increasing the range of lifting and adjusting the test measuring plate driving the casing.

Preferably, the test board forms sliding structure through slide bar and sliding sleeve, makes the test board drive the slide bar and slides from top to bottom along the inner wall of sliding sleeve and leads, is convenient for guarantee the stability of test board, the sliding sleeve is welding integrated structure with the bottom plate, strengthens the effect that sliding sleeve and bottom plate are connected, prevents that the sliding sleeve from appearing rocking.

Preferably, the movable structure comprises a guide rod, a movable block, a hand wheel and a screw rod, wherein the guide rod is arranged at the bottom end of the supporting frame, the movable block is sleeved on the outer side of the guide rod, the screw rod is connected with the inner thread on one side of the movable block, and the hand wheel is arranged at the top end of the screw rod. The hand wheel is rotated forward to drive the screw rod to rotate, then the moving block is meshed with the screw rod in a threaded mode and slides downwards along the surface of the guide rod, the guide rod guides the moving block, and then the moving block moving downwards drives the pressing plate to gradually press down the corrugated pipe, so that the corrugated pipe is prevented from being deformed or broken due to direct stamping.

Preferably, the pressing plate forms a sliding structure through the moving block and the guide rod, so that the pressing plate can slide up and down along the surface of the guide rod along with the moving block, the pressing plate can be conveniently guided, the linear motion of the pressing plate is ensured, and the guide rod and the screw rod are positioned on the same horizontal plane, so that the stability of the moving block is conveniently ensured.

Preferably, an external thread is arranged on the outer side wall of the screw rod, and an internal thread matched with the external thread is arranged in the moving block, so that the moving block and the rotating screw rod are meshed with each other to move along the surface of the guide rod, and the moving block is convenient to drive the pressing plate to flexibly move up and down.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that: this bellows pliability test device is rational in infrastructure, has following advantage:

(1) The fixing pins are pulled to leave the inside of the shell, the test measuring plate is moved to drive the shell to lift and adjust the height, bellows with different diameters are convenient to contact with the test measuring plate with corresponding height for testing, meanwhile, the sliding rod slides along the sliding sleeve to ensure the stability of the test measuring plate, two groups of fixing pins are inserted into the shell, the corresponding other two groups of slots are pushed to tightly suck the magnet blocks to support the adjusted shell for fixing, and the stability of the test measuring plate is ensured, so that the lifting function of the device is realized, the functionality of the device is improved, the flexibility of the bending range of the device can be tested is increased, and the device is convenient for testing in pertinence;

(2) Through the positive rotation screw rod of hand wheel, follow the movable block and pivoted screw rod screw thread engagement and slide downwards along the surface of guide bar, make the guide bar guarantee the rectilinear motion of movable block, then the movable block of downwardly moving drives the clamp plate and moves gradually down to the bellows and push down, realized the portable function of this device from this, improved the convenience of this device, be convenient for drive the clamp plate and move gradually, prevent that the clamp plate from directly once only pushing down to make the bellows damage, increase the experimental cost of device.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic diagram of a front cross-sectional structure of a lifting structure according to the present utility model;

fig. 4 is a schematic side view of a mobile structure according to the present utility model.

Reference numerals in the drawings illustrate: 1. a bottom plate; 2. a lifting structure; 201. a slide bar; 202. a sliding sleeve; 203. a fixing pin; 204. a slot; 205. a magnet block; 206. a support block; 207. a casing; 3. a test plate; 4. a mounting box; 5. a stepping motor; 6. a clamping plate; 7. a moving structure; 701. a guide rod; 702. a moving block; 703. a hand wheel; 704. a screw; 8. a pressing plate; 9. a support frame; 10. a first screw rod; 11. sleeving blocks; 12. a rod; 13. a connecting disc; 14. and a second screw rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-4, the bellows flexibility test device provided by the utility model comprises a bottom plate 1, a mounting box 4 and a supporting frame 9, wherein the top end of the bottom plate 1 is provided with a lifting structure 2, the top end of the lifting structure 2 is provided with a test plate 3, both sides of the top end of the bottom plate 1 are provided with the mounting box 4, one side of the mounting box 4 is provided with a stepping motor 5, one side of the stepping motor 5 is provided with a first screw rod 10, one side of the first screw rod 10 is provided with a connecting disc 13, one side of the connecting disc 13 is provided with a second screw rod 14, the outside thread of the first screw rod 10 is meshed with a sleeve block 11, the top end of the sleeve block 11 is provided with a clamping plate 6, the bottom end inside the mounting box 4 is provided with a inserting rod 12, one side of the bottom plate 1 is provided with the supporting frame 9, the bottom end of the supporting frame 9 is provided with a moving structure 7, one side of the moving structure 7 is provided with a pressing plate 8, the lifting structure 2 comprises a slide bar 201, a slide sleeve 202, a fixing pin 203, a slot 204, a magnet block 205, a supporting block 206 and a sleeve 207, both sides of the bottom end of the test plate 3 are fixed, the slide bar 201 is sleeved with a slide sleeve 202, one side of the slide bar 206 is sleeved with one side of the slide sleeve 206, one side of the slide bar 206 is provided with the slide sleeve 206, one side of the slide block 206 is provided with the supporting block 205, and the inside the supporting block 206 is provided with a plurality of the sliding sleeve blocks 206, and the inside the slide block 206 is welded with the supporting block 204 is provided with the inside the supporting block 204, and the inside the supporting block 204 is provided with the slide structure 204 is welded with the inside the supporting block 204 is provided with the fixing pin 204, and the inside the supporting block 204 is welded with the supporting structure is provided with the inside the supporting structure 204 3, and the inside the supporting structure is 3 is welded with the inside the supporting structure is 204 is 3 and is provided with the inside one and with the supporting structure is with the supporting 3 and is with the supporting test 3.

The working principle of the corrugated pipe flexibility test device based on the first embodiment is as follows: the device is placed at a designated position through a bottom plate 1 and is externally connected with a power supply, two ends of a corrugated pipe which needs to be tested in a flexible way are respectively placed on two groups of mounting boxes 4 and are positioned between four groups of clamping plates 6, two groups of stepping motors 5 are started immediately, the stepping motors 5 drive a first screw rod 10 to rotate positively, a connecting disc 13 drives a second screw rod 14 to rotate along with the rotation of the first screw rod 10, two groups of blocks 11 are respectively engaged with the first screw rod 10 and the second screw rod 14 with opposite threads in a threaded way along the surface of an inserting rod 12 to perform relative movement, so that the two groups of clamping plates 6 are conveniently driven to be gradually close to and contact with the corrugated pipe, the effect of clamping and limiting the placed corrugated pipe is achieved, the moving structure 7 drives a pressing plate 8 to gradually move downwards, the downwards moving pressing plate 8 gradually presses the corrugated pipe to bend and deform until the corrugated pipe is contacted with a test measuring plate 3 with a corresponding height, if the corrugated pipe is broken in the process of bending and contacting the test measuring plate 3, the flexibility is unreasonable, otherwise, the bent corrugated pipe is not broken in contact with the test measuring plate 3, the flexibility is qualified, when the corrugated pipe with different diameters is tested, the two groups of fixing pins 203 and the two groups of magnet blocks 205 are separated from the inside of the shell 207 by pulling the two groups of fixing pins 203 in sequence, then the test measuring plate 3 is pulled to drive the shell 207 to lift and adjust the height along the surface of the supporting block 206, so that the corrugated pipe with different diameters is convenient to be in bending contact with the test measuring plate 3 with the corresponding height to perform the corresponding flexibility test, meanwhile, the four groups of sliding rods 201 slide along the inner walls of the four groups of sliding sleeves 202 respectively along with the movement of the test measuring plate 3 to ensure the stability of the test measuring plate 3, after the test measuring plate 3 is lifted to the proper height, through taking two sets of fixed pins 203 in proper order and inserting in two sets of holes of cover shell 207 to promote two sets of fixed pins 203 get into two other sets of slots 204 that correspond with two sets of holes on the cover shell 207 after adjusting, make fixed pin 203 and magnetite piece 205 inhale tightly fixedly, the fixed pin 203 of being convenient for supports the fixed with the supporting shoe 206 with cover shell 207 after adjusting, guarantees the stability of experimental survey meter 3.

Example two

The embodiment comprises the following steps: the moving structure 7 comprises a guide rod 701, a moving block 702, a hand wheel 703 and a screw 704, wherein the guide rod 701 is arranged at the bottom end of the supporting frame 9, the moving block 702 is sleeved outside the guide rod 701, the screw 704 is connected with internal threads on one side of the moving block 702, the hand wheel 703 is arranged at the top end of the screw 704, the pressing plate 8 forms a sliding structure with the guide rod 701 through the moving block 702, the guide rod 701 and the screw 704 are positioned on the same horizontal plane, external threads are arranged on the outer side wall of the screw 704, and internal threads matched with the external threads are arranged inside the moving block 702.

In this embodiment, the hand wheel 703 is rotated forward to drive the screw 704 to rotate, and then the moving block 702 is meshed with the rotating screw 704 in a threaded manner to slide downwards along the surface of the guide rod 701, so that the guide rod 701 guides the moving block 702, the linear motion of the moving block 702 is ensured, then the moving block 702 moving downwards drives the pressing plate 8 to gradually press down the corrugated pipe, deformation or fracture of the corrugated pipe caused by direct punching is prevented, and meanwhile, the screw 704 is rotated by the hand wheel 703 to drive the moving block 702 to move, so that the pressing position of the pressing plate 8 is controlled conveniently.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Bellows pliability test device, including bottom plate (1), mounting box (4) and support frame (9), its characterized in that: the utility model discloses a test device, including bottom plate (1), support frame (9), slide bar (201), slide sleeve (202), fixed pin (203), socket (204), support block (206) and slide bar (201) are all fixed to the top of bottom plate (1), lifting structure (2) are provided with on the top of bottom plate (1), and lifting structure (2) are provided with on the top of bottom plate (2), install mounting box (4) in the both sides on top of bottom plate (1), and step motor (5) are installed to one side of mounting box (4), first lead screw (10) are installed to one side of step motor (5), and one side of first lead screw (10) installs connection pad (13), second lead screw (14) are installed to one side of connection pad (13), outside screw engagement of first lead screw (10) has cover block (11), and splint (6) are installed on the top of cover block (11), inserted bar (12) are installed to the inside bottom of mounting box (4), support frame (9) are installed to one side on top of bottom plate (1), and the bottom of support frame (9) is provided with moving structure (7), one side of moving structure (7) is provided with clamp plate (8), lifting structure (2) includes slide sleeve (201), fixed pin (203), fixed pin (205) and support block (206) are all fixed on the bottom of slide bar (201), the outside cover of slide bar (201) is equipped with sliding sleeve (202), one side of sliding sleeve (202) is provided with supporting shoe (206), and slot (204) have all been seted up to the inside of supporting shoe (206) both sides, the inside of slot (204) is provided with magnet piece (205), the outside cover of supporting shoe (206) is equipped with cover shell (207), and the both sides of cover shell (207) all are inserted and are equipped with fixed pin (203).

2. The bellows flexibility test apparatus of claim 1, wherein: the casing (207) and the test measuring plate (3) are in a welding integrated structure, and a fixing pin (203) in the casing (207) penetrates through the supporting block (206) to be in contact with the magnet block (205).

3. The bellows flexibility test apparatus of claim 1, wherein: the supporting blocks (206) and the bottom plate (1) are of a welding integrated structure, and the slots (204) are provided with a plurality of groups.

4. The bellows flexibility test apparatus of claim 1, wherein: the test measuring plate (3) and the sliding sleeve (202) form a sliding structure through the sliding rod (201), and the sliding sleeve (202) and the bottom plate (1) are of a welding integrated structure.

5. The bellows flexibility test apparatus of claim 1, wherein: the movable structure (7) comprises a guide rod (701), a movable block (702), a hand wheel (703) and a screw (704), wherein the guide rod (701) is arranged at the bottom end of the supporting frame (9), the movable block (702) is sleeved on the outer side of the guide rod (701), the screw (704) is connected with one side of the movable block (702) through internal threads, and the hand wheel (703) is arranged at the top end of the screw (704).

6. The bellows flexibility test apparatus of claim 5, wherein: the pressing plate (8) and the guide rod (701) form a sliding structure through the moving block (702), and the guide rod (701) and the screw rod (704) are positioned on the same horizontal plane.

7. The bellows flexibility test apparatus of claim 5, wherein: external threads are arranged on the outer side wall of the screw rod (704), and internal threads matched with the external threads are arranged inside the moving block (702).