CN210982051U

CN210982051U - Strength testing device is used in single screwed pipe production

Info

Publication number: CN210982051U
Application number: CN201921440876.2U
Authority: CN
Inventors: 朱丽辉; 刘冬义; 李发光
Original assignee: Liaoyang Hongtu Carbide Co ltd
Current assignee: Liaoyang Hongtu Carbide Co ltd
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2020-07-10
Anticipated expiration: 2029-08-31

Abstract

The utility model discloses a strength testing device for producing single threaded pipes, which comprises a device main body, a water storage tank is fixedly arranged at the upper end of the device main body, a placing table is arranged at the middle position of the lower end in the device main body, a fixed clamp and a movable clamp are fixedly arranged at the two sides of the upper end of the placing table, the fixed clamp and the movable clamp are symmetrically distributed, the middle positions of the opposite surfaces of the fixed clamp and the movable clamp are movably provided with clamp pipes, a single threaded pipe is fixedly arranged at the middle position of the opposite surfaces of the two clamping pipes, a rotating shaft is inserted into one side of the fixed clamp, one end of the rotating shaft passes through the movable clamp and is fixedly connected with the middle position of one end of the clamping pipe, one end of the rotating shaft is located on the outer side of the device main body, and a mounting frame is fixedly mounted at the upper end inside the device main body. The utility model discloses a set up a series of structures and make this device have simple structure and be convenient for detect characteristics.

Description

Strength testing device is used in single screwed pipe production

Technical Field

The utility model relates to a single screwed pipe production detection area specifically is an intensity test device is used in single screwed pipe production.

Background

The pipe thread is a thread located on the pipe wall for connection, and comprises 55-degree non-sealing pipe thread and 55-degree sealing pipe thread. The connection of pipeline is mainly used for carrying out, and the cooperation that makes its internal and external screw thread is inseparable, has two kinds of straight tube and taper pipe, and common pipe thread mainly includes following several: NPT, PT, G and the like, and the sealing pipe thread has two functions of mechanical connection and sealing; the non-sealing pipe thread only has one function of mechanical connection, so the precision of the sealing pipe thread is strictly higher than that of the non-sealing pipe thread, some people see that the pitch diameter tolerance of the non-sealing pipe thread is half of that of the sealing pipe thread, and the precision of the non-sealing pipe thread is considered to be higher than that of the sealing pipe thread, so the point is incorrect, the sealing pipe thread has the requirement on tooth form precision, and the tolerances of the large diameter, the pitch diameter and the small diameter are the same; the flank angle and the thread pitch error have larger influence on the sealing performance, but the thread of the non-sealing pipe basically has no requirement on the tooth form precision, and the top diameter tolerance is larger than the intermediate diameter tolerance; the bottom diameter has no tolerance requirement.

Along with the development of society, more and more extensive to the use of single screwed pipe, need carry out the test of intensity to single screwed pipe after producing to single screwed pipe, but common testing arrangement structure on the market is fairly simple at present, can't carry out comprehensive test after fixing single screwed pipe, makes the reliability of test structure easily, consequently, we have proposed a single screwed pipe production and use intensity testing arrangement problem in order to solve this a series of problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intensity testing arrangement is used in single screwed pipe production to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a strength testing device for single threaded pipe production comprises a device main body, wherein a water storage tank is fixedly mounted at the upper end of the device main body, a placing table is mounted at the middle position of the lower end in the device main body, a fixing clamp and a movable clamp are fixedly mounted at two sides of the upper end of the placing table, the fixing clamp and the movable clamp are symmetrically distributed, clamping pipes are movably mounted at the middle positions of opposite surfaces of the fixing clamp and the movable clamp, a single threaded pipe is fixedly mounted at the middle position of the opposite surfaces of the two clamping pipes, a rotating shaft penetrates through one side of the fixing clamp, one end of the rotating shaft penetrates through the movable clamp to be fixedly connected with the middle position of one end of the clamping pipe, one end of the rotating shaft is located on the outer side of the device main body and fixedly mounted with a rotating disc, and a mounting frame is fixedly mounted at the upper end, the middle position of the mounting rack is movably provided with a hydraulic cylinder, the upper end of the hydraulic cylinder is provided with a connecting hose, one end of the connecting hose is fixedly connected with the lower end of the water storage tank, the middle position of the interior of the hydraulic cylinder is movably provided with a hydraulic plate, the lower end of the hydraulic plate is fixedly provided with a pressure rod, the lower end of the pressure rod is positioned at the outer side of the hydraulic cylinder, the surface of the pressure rod is fixedly provided with a limiting plate, the middle position of the lower end of the hydraulic cylinder is fixedly provided with a buffer frame, the middle position of the buffer frame is fixedly provided with a buffer spring, the upper end of the buffer spring is fixedly connected with the lower end of the limiting plate, the inner sleeve of the buffer spring is provided with the pressure rod, the middle position of the interior of the device main body is respectively inserted with a rotary screw rod and a slide, a hydraulic cylinder is inserted between the rotary screw and the sliding rod, one end of the rotary screw is positioned outside the device main body, and the rotary screw is in transmission connection with the rotating shaft through a transmission chain wheel and a transmission gear.

Preferably, one end of each of the two clamping pipes is movably connected with one side of the surface of the fixed clamp and one side of the surface of the movable clamp respectively, and fastening bolts are inserted into two sides of each of the two clamping pipes in a penetrating manner.

Preferably, one side of the upper end of the placing table is fixedly provided with a slide rail, the middle position of the slide rail is movably sleeved with the movable clamp, and two ends of the slide rail are fixedly provided with baffles.

Preferably, the two sides inside the hydraulic cylinder are respectively and fixedly provided with a sliding sleeve and a threaded sleeve, and the sliding sleeve and the threaded sleeve are symmetrically distributed about the hydraulic cylinder.

Preferably, the inside cover of sliding sleeve is equipped with the slide bar, the inside cover of thread bush is equipped with rotatory screw rod.

Preferably, the rotating screw and the rotating shaft are horizontally and symmetrically distributed, and the rotating screw and the pressure rod are vertically distributed.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has scientific and reasonable structure, safe and convenient use, and through the arrangement of the fixed clamp and the movable clamp, the integral device has good clamping effect, when a user uses the device, one end of the single threaded pipe is fixed inside the clamping pipe inside the fixed clamp through the fastening bolt, the movable clamp is adjusted to a certain position through the slide rail, the other end of the single threaded pipe is fixed inside the movable clamp through the fastening bolt, the single threaded pipes with different lengths and widths can be conveniently fixed, the whole device has good buffering effect through the arrangement of the buffering frame, water in the water storage tank enters the hydraulic cylinder through the connecting hose to extrude the hydraulic plate downwards, the pressure rod at the lower end moves downwards, and the pressure rod plays a certain buffering effect under the action of the buffer spring at the lower end, so that the surface of the single-thread rod is subjected to strength testing conveniently.

Through the setting of rotation axis, make the integrated device have the comprehensive effect of detection, when the user uses, it rotates to drive the rotation axis through rotatory disc, the rotation axis drives single screwed pipe and rotates, be convenient for detect single screwed pipe comprehensively to the pressure bar, the rotation axis drives rotatory screw rod through drive chain and drive sprocket and rotates, the pneumatic cylinder removes on rotatory screw rod surface through the thread bush, sliding sleeve and slide bar are fixed simultaneously, make the pneumatic cylinder remove about, be convenient for detect more comprehensively, provide the reliability that detects.

Drawings

FIG. 1 is a schematic view of the whole device of the present invention;

fig. 2 is a schematic top view of the hydraulic cylinder of the present invention;

fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a device main body; 2. a placing table; 3. a pressure lever; 4. a buffer frame; 5. a hydraulic cylinder; 6. a connecting hose; 7. a water storage tank; 8. a hydraulic plate; 9. a limiting plate; 10. a buffer spring; 11. a fixing clip; 12. a rotating shaft; 13. rotating the disc; 14. a mounting frame; 15. a sliding sleeve; 16. a slide bar; 17. a threaded sleeve; 18. rotating the screw; 19. a movable clamp; 20. clamping the pipe; 21. a slide rail; 22. a single threaded pipe.

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, the present invention provides a technical solution: a technical scheme of a strength testing device for single threaded pipe production comprises a device main body 1, a water storage tank 7 is fixedly installed at the upper end of the device main body 1, a placing table 2 is installed at the middle position of the lower end in the device main body 1, a fixing clamp 11 and a movable clamp 19 are fixedly installed at two sides of the upper end of the placing table 2, the fixing clamp 11 and the movable clamp 19 are symmetrically distributed, clamping pipes 20 are movably installed at the middle positions of opposite surfaces of the fixing clamp 11 and the movable clamp 19, a single threaded pipe 22 is fixedly installed at the middle position of the opposite surfaces of the two clamping pipes 20, a rotating shaft 12 penetrates through one side of the fixing clamp 11, one end of the rotating shaft 12 is fixedly connected with the middle position of one end of each clamping pipe 20 through the movable clamp 19, one end of the rotating shaft 12 is located on the outer side of the device main body 1, a rotating disc 13 is fixedly, a hydraulic cylinder 5 is movably mounted at the middle position of the mounting rack 14, a connecting hose 6 is mounted at the upper end of the hydraulic cylinder 5, one end of the connecting hose 6 is fixedly connected with the lower end of a water storage tank 7, a hydraulic plate 8 is movably mounted at the middle position inside the hydraulic cylinder 5, a pressure rod 3 is fixedly mounted at the lower end of the hydraulic plate 8, the lower end of the pressure rod 3 is positioned outside the hydraulic cylinder 5, a limiting plate 9 is fixedly mounted on the surface of the pressure rod 3, a buffer frame 4 is fixedly mounted at the middle position of the lower end of the hydraulic cylinder 5, a buffer spring 10 is fixedly mounted at the middle position of the buffer frame 4, the upper end of the buffer spring 10 is fixedly connected with the lower end of the limiting plate 9, the pressure rod 3 is sleeved inside the buffer spring 10, a rotary screw 18 and a slide rod 16 are respectively inserted at the middle position inside the device main body 1, the rotary screw 18 and the slide rod, one end of the rotary screw 18 is located outside the apparatus body 1, and the rotary screw 18 is drivingly connected to the rotary shaft 12 through a drive sprocket and a drive gear.

Preferably, one end of each of the two clamping pipes 20 is movably connected to one side of the surface of the fixed clamp 11 and the movable clamp 19, and fastening bolts are inserted into both sides of each of the two clamping pipes 20 to fix the single-threaded pipe 22.

Preferably, one side fixed mounting slide rail 21 of placing platform 2 upper end, the active cover of intermediate position department of slide rail 21 is equipped with movable clamp 19, and the equal fixed mounting in both ends of slide rail 21 has the baffle, the removal of movable clamp 19 on placing platform 2 of being convenient for.

Preferably, a sliding sleeve 15 and a threaded sleeve 17 are fixedly mounted on two sides of the interior of the hydraulic cylinder 5 respectively, and the sliding sleeve 15 and the threaded sleeve 17 are symmetrically distributed relative to the hydraulic cylinder 5, so that the hydraulic cylinder 5 is conveniently connected with a sliding rod 16 and a rotating screw 18.

Preferably, the sliding sleeve 15 is internally sleeved with a sliding rod 16, and the threaded sleeve 17 is internally sleeved with a rotating screw 18, so that the hydraulic cylinder 5 can move left and right on the surfaces of the sliding rod 16 and the rotating screw 18.

Preferably, the rotary screw 18 and the rotary shaft 12 are horizontally and symmetrically distributed, and the rotary screw 18 and the pressure rod 3 are vertically distributed, so that the operation of the whole device is convenient.

The working principle is as follows: through the arrangement of the fixed clamp 11 and the movable clamp 19, the whole device has good clamping and fixing effects, when a user uses the device, one end of a single threaded pipe 22 is fixed inside a clamp pipe 20 inside the fixed clamp 11 through a fastening bolt, the movable clamp 19 is adjusted to a certain position through a slide rail 21, the other end of the single threaded pipe 22 is fixed inside the movable clamp 19 through the fastening bolt, the single threaded pipe 22 with different lengths and widths is convenient to fix, through the arrangement of the buffer frame 4, the whole device has good buffering effects, water inside the water storage tank 7 enters the hydraulic cylinder 5 through the connecting hose 6, the hydraulic plate 8 is downwards extruded, the pressure rod 3 at the lower end moves downwards, the pressure rod 3 plays a certain buffering effect under the action of the buffer spring 10 at the lower end, the strength test of the surface of the single threaded pipe 22 is convenient, through the arrangement of the rotating shaft 12, make the integrated device have the comprehensive effect of detection, when the user uses, it rotates to drive rotation axis 12 through rotating disc 13, rotation axis 12 drives single screwed pipe 22 and rotates, be convenient for detect single screwed pipe 22 comprehensively to pressure bar 3, rotation axis 12 drives rotatory screw rod 18 through drive chain and drive sprocket and rotates, pneumatic cylinder 5 removes on rotatory screw rod 18 surface through thread bush 17, sliding sleeve 15 and slide bar 16 are fixed simultaneously, make pneumatic cylinder 5 remove about, be convenient for detect more comprehensively, the reliability of detection is provided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 single screwed pipe production is with intensity test device, includes device main part (1), the upper end fixed mounting of device main part (1) has storage water tank (7), its characterized in that: the device is characterized in that a placing table (2) is installed at the middle position of the lower end inside a device body (1), a fixing clamp (11) and a movable clamp (19) are fixedly installed at two sides of the upper end of the placing table (2), the fixing clamp (11) and the movable clamp (19) are symmetrically distributed, clamp pipes (20) are movably installed at the middle positions of opposite surfaces of the fixing clamp (11) and the movable clamp (19), single threaded pipes (22) are fixedly installed at the middle positions of opposite surfaces of the two clamp pipes (20), a rotating shaft (12) penetrates through one side of the fixing clamp (11), one end of the rotating shaft (12) penetrates through the movable clamp (19) and is fixedly connected with the middle position of one end of each clamp pipe (20), one end of the rotating shaft (12) is located on the outer side of the device body (1), and a rotating disc (13) is fixedly installed at the middle position, the device is characterized in that a mounting rack (14) is fixedly mounted at the upper end inside a main body (1), a hydraulic cylinder (5) is movably mounted at the middle position of the mounting rack (14), a connecting hose (6) is mounted at the upper end of the hydraulic cylinder (5), one end of the connecting hose (6) is fixedly connected with the lower end of a water storage tank (7), a hydraulic plate (8) is movably mounted at the middle position inside the hydraulic cylinder (5), a pressure rod (3) is fixedly mounted at the lower end of the hydraulic plate (8), the lower end of the pressure rod (3) is located at the outer side of the hydraulic cylinder (5), a limiting plate (9) is fixedly mounted on the surface of the pressure rod (3), a buffer frame (4) is fixedly mounted at the middle position of the lower end of the hydraulic cylinder (5), a buffer spring (10) is fixedly mounted at the middle position of the buffer frame (4), and the upper end of the buffer spring (10) is fixedly connected, the pressure rod (3) is sleeved inside the buffer spring (10), a rotary screw (18) and a sliding rod (16) are respectively inserted into the middle position inside the device body (1), the rotary screw (18) and the sliding rod (16) are symmetrically distributed, a hydraulic cylinder (5) is inserted between the rotary screw (18) and the sliding rod (16), one end of the rotary screw (18) is located on the outer side of the device body (1), and the rotary screw (18) is in transmission connection with the rotating shaft (12) through a transmission chain wheel and a transmission gear.

2. The strength testing device for producing the single-threaded pipe according to claim 1, wherein: one end of each of the two clamping pipes (20) is movably connected with one side of the surface of the fixed clamp (11) and one side of the surface of the movable clamp (19), and fastening bolts penetrate through the two sides of each of the two clamping pipes (20).

3. The strength testing device for producing the single-threaded pipe according to claim 1, wherein: one side of the upper end of the placing table (2) is fixedly provided with a sliding rail (21), the middle position of the sliding rail (21) is movably sleeved with the movable clamp (19), and two ends of the sliding rail (21) are fixedly provided with baffles.

4. The strength testing device for producing the single-threaded pipe according to claim 1, wherein: the two sides inside the hydraulic cylinder (5) are respectively and fixedly provided with a sliding sleeve (15) and a threaded sleeve (17), and the sliding sleeve (15) and the threaded sleeve (17) are symmetrically distributed about the hydraulic cylinder (5).

5. The strength testing device for producing the single-threaded pipe according to claim 4, wherein: the inside cover of sliding sleeve (15) is equipped with slide bar (16), the inside cover of thread bush (17) is equipped with rotatory screw rod (18).

6. The strength testing device for producing the single-threaded pipe according to claim 1, wherein: the rotary screw (18) and the rotary shaft (12) are horizontally and symmetrically distributed, and the rotary screw (18) and the pressure rod (3) are vertically distributed.