CN210923316U - Pressure measuring machine for spiral pipe - Google Patents
Pressure measuring machine for spiral pipe Download PDFInfo
- Publication number
- CN210923316U CN210923316U CN201921400058.XU CN201921400058U CN210923316U CN 210923316 U CN210923316 U CN 210923316U CN 201921400058 U CN201921400058 U CN 201921400058U CN 210923316 U CN210923316 U CN 210923316U
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- Prior art keywords
- spiral pipe
- frame
- sliding
- drive
- pressure measuring
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- 230000007423 decrease Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 230000033001 locomotion Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 7
- 238000009530 blood pressure measurement Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 21
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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Abstract
The utility model discloses a pressure measuring machine for spiral pipe, including frame, removal dish and fixed disk, the frame is located remove the dish and be provided with a plurality of portion of sliding between the fixed disk, the portion of sliding includes two awl rollers, awl roller circumference and screwed pipe butt, awl roller fixedly connected with pivot, the pivot is rotated and is connected with the slider, the slider removable be provided with the frame slides the drive block that sets up, be provided with the drive two in the frame the drive block takes place the drive assembly of relative slip. Through above-mentioned technical scheme, be convenient for realize the drive effect to the spiral pipe, promote the stability of spiral pipe in the motion process, ensure the accuracy to the bolt pipe pressure measurement.
Description
Technical Field
The utility model relates to a technical field of spiral pipe performance check out test set especially relates to a pressure measuring machine for spiral pipe.
Background
The spiral pipe is manufactured by rolling a low-carbon structural steel strip into a pipe blank according to a certain spiral line angle and then welding pipe seams, a large-diameter steel pipe can be produced by using narrow strip steel, a water pressure test is required to be carried out on the steel pipe before the steel pipe leaves a factory to test whether the steel pipe reaches a corresponding mechanical property index, the existing pressure tester for the spiral pipe is mainly a water purification pressure test, and the purpose of the pressure tester is to test whether the spiral pipe permeates and whether a welding seam can bear pressure without cracking.
In order to solve the problems, the Chinese patent with the patent publication number of CN208366731U provides a spiral submerged arc welding steel pipe hydrostatic pressure test device, which comprises a fixed frame, a fixed sealing end and a movable sealing end which are respectively arranged at two ends of the fixed frame, a pressure supply device for providing hydraulic pressure for the steel pipe and a lifting mechanism for jacking the steel pipe, wherein the lifting mechanism is arranged between the fixed sealing end and the movable sealing end; the fixed sealing end comprises a fixed sealing end body arranged on the fixed frame and a fixed sealing end head arranged on the fixed sealing end body, and a first sealing gasket is arranged on the fixed sealing end head; the fixed sealing end body is provided with an exhaust valve; the movable sealing end comprises a movable end oil cylinder arranged on the fixed frame and a movable sealing end body driven by the movable end oil cylinder, a movable sealing end sealing head and a sealing valve are arranged on the movable sealing end body, a second sealing gasket is arranged on the movable sealing end sealing head, and the movable end oil cylinder is connected with the hydraulic station; and a hydraulic oil sensor and a hydraulic valve group are arranged between the hydraulic station and the moving end oil cylinder.
When removing sealed end drive spiral pipe motion, produce the sliding friction power between spiral pipe and the layer board, it is big to receive frictional force when the spiral pipe, and the skew takes place for the position of spiral pipe easily, and the skew takes place for the hookup location of spiral pipe terminal surface center and removal sealed end and fixed sealed end, influences spiral pipe pressure test precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pressure measuring machine for spiral pipe has and is convenient for realize removing a set drive spiral pipe and take place the motion.
The utility model discloses a can realize through following technical scheme:
the utility model provides a survey press for spiral pipe, includes the frame, removes dish and fixed disk, the frame is located remove the dish and be provided with a plurality of portion of sliding between the fixed disk, the portion of sliding includes two awl rollers, awl roller circumference and screwed pipe butt, awl roller fixedly connected with pivot, the pivot is rotated and is connected with the slider, the slider removable be provided with the frame slides the drive block that sets up, be provided with two in the frame the drive block takes place the drive assembly of relative slip.
Through adopting above-mentioned technical scheme, place the spiral pipe in the frame on being located the position between removal dish and the fixed disk, the removal dish slides and drive the spiral pipe takes place the motion in the frame, pipe diameter according to the spiral pipe is different, under drive assembly's effect, two drive blocks take place relative motion by the drive, the slider drives the awl roller and moves together, distance between two awl rollers changes, and with spiral pipe circumference butt, move towards fixed disk direction when removing dish drive hob, be sliding friction between spiral pipe and the awl roller, frictional force between spiral pipe and the awl roller is greater than the rolling frictional force that the awl roller received at the roll in-process, consequently, when the spiral pipe is driven to take place the motion, the awl roller is driven to take place to rotate, realize being convenient for to the drive effect of spiral pipe motion.
Further setting the following steps: drive assembly include with frame fixed connection's servo motor and with servo motor output fixed connection's double threaded rod, double threaded rod with the frame rotates to be connected, double threaded rod's both ends respectively with two drive block threaded connection, be provided with the restriction in the frame drive block pivoted spacing subassembly.
Through adopting above-mentioned technical scheme, drive double threaded rod rotates, and the drive block is by driving motion, in order to prevent that the actuating lever from following double threaded rod and rotating together, under spacing subassembly's effect, the rotation of drive block is restricted, and the drive block drives the slider and moves along the horizontal direction, and two sliders realize that two conical rollers take place relative motion, realize adjusting the distance between two conical rollers.
Further setting the following steps: the stopper subassembly include with the fixed slide bar that sets up of frame, the drive block cover is located outside the slide bar, the slide bar with double-end threaded rod is parallel arrangement.
Through adopting above-mentioned technical scheme, the rotation of drive block is restricted, and the drive block is driven and is followed the length direction motion of slide bar.
Further setting the following steps: the sliding rod is provided with a sliding groove in the circumferential direction, the sliding rod is arranged in a hollow mode, the driving block is fixedly connected with a protruding block in the sliding rod in a sliding mode, and the protruding block penetrates out of the sliding groove and then is fixedly connected with the driving block.
Through adopting above-mentioned technical scheme, when the slider moved on the slide bar, the both ends of spout set up for the closure, and lug and spout inner wall butt ensure that the lug moves along the length direction of spout, and the length dimension of double-end screw rod equals the length dimension of slide bar, realize two awl roller orientation and move towards the direction of keeping away from each other.
Further setting the following steps: the driving block and the slider overcoat is equipped with fixed cover, fixed cover threaded connection has the bolt, the bolt wear out behind the fixed cover with slider up end butt.
Through adopting above-mentioned technical scheme, fixed cover vertical direction cross-section sets up to "concave" style of calligraphy, and drive block and slider all are located the notch of fixed cover, and the bolt passes behind the fixed cover with the slider upper wall butt, continues to drive the bolt and moves down, bolt and slider butt, and the bolt drives fixed cover upward movement, and the lower wall of fixed cover moves towards the drive block, under the effect of bolt and fixed cover mutual extrusion, the drive block is fixed firm with the slider.
Further setting the following steps: the slider is provided with a through hole, and the bolt is inserted in the through hole.
By adopting the technical scheme, when the bolt penetrates through the fixed sleeve and then is inserted into the through hole, the deviation of the bolt in the vertical direction is limited, and the bolt can only move in the vertical direction.
Further setting the following steps: the bolt end fixing is provided with the awl post, awl post cross-section circle diameter along the orientation through-hole direction reduces gradually, awl post minimum cross-section circle diameter is not more than the aperture of through-hole.
Through adopting above-mentioned technical scheme, when the awl post moved to the aperture equal position with the through-hole, the awl post was located the through-hole position with the slider and realizes the fixed effect of joint, ensures the fixed firm effect between bolt and the slider.
Further setting the following steps: the length of the sliding rod is not less than the sum of the lengths of the two conical rollers in the horizontal direction.
Through adopting above-mentioned technical scheme, move the position to mutual butt when two awl rollers, distance is minimum between two awl rollers this moment, and at the rotation in-process, when the pipe diameter of spiral pipe increases, distance between two awl rollers should also increase, ensures the stability to the spiral pipe drive.
To sum up, the utility model discloses a beneficial technological effect does:
(1) servo motor drive double threaded rod rotates, and the drive block follows double threaded rod and rotates together, and the rotation of drive block is restricted by the slide bar, and the drive block moves along the length direction of slide bar, and the slide block follows the drive block and moves together, realizes adjusting the distance between two conical rollers.
(2) The drive bolt moves towards the through-hole, when the awl post move to with the through-hole joint, continue the drive bolt and move down towards, under the effect of fixed cover and bolt, realize fixed firm effect between drive block and the slider.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a sliding part of the present invention;
FIG. 3 is a top view of the sliding part of the present invention;
fig. 4 is a sectional view taken along line a-a of fig. 3.
Reference numerals: 1. a frame; 2. a movable tray; 3. fixing the disc; 4. a sliding part; 5. a conical roller; 6. a rotating shaft; 7. a slider; 8. a drive block; 9. a servo motor; 10. a double-headed threaded rod; 11. a slide bar; 12. a chute; 13. a bump; 14. fixing a sleeve; 15. a bolt; 16. a through hole; 17. a conical column.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 and 2, for the utility model discloses a pressure measuring machine for spiral pipe, which comprises a frame 1, removal dish 2 and fixed disk 3, removal dish 2 slides with frame 1 and is provided with the slide rail, fixed disk 3 and frame 1 fixed connection, fixed disk 3 is the collineation setting with removal dish 2 center, among the prior art, the both ends of spiral pipe are carried to the position between fixed disk 3 and the removal dish 2 with the sealing washer sealed back, removal dish 2 promotes 3 directional motions of spiral pipe fixed disk, when removal dish 2 and fixed disk 3 extrude the spiral pipe and realize sealedly, and then carry out the water pressure test to the spiral pipe.
Referring to fig. 1 and 4, in order to facilitate the movement of the spiral pipe towards the fixed disk 3, three sliding portions 4 are arranged between the movable disk 2 and the fixed disk 3 on the rack 1, each sliding portion 4 comprises two conical rollers 5, each conical roller 5 is horizontally arranged, each conical roller 5 is fixedly connected with a rotating shaft 6, the other end of each rotating shaft 6 is rotatably connected with a sliding block 7, the diameter of the cross section circle of each conical roller 5 is gradually reduced along the direction far away from the corresponding sliding block 7, one end of the minimum cross section circle of each conical roller 5 is oppositely arranged, and the circumferential direction of each conical roller 5 is abutted to the circumferential direction of the spiral; when removing 2 drive hob screws of dish and moving towards 3 directions movements of fixed disk, be sliding friction between spiral pipe and the awl roller 5, the frictional force between spiral pipe and the awl roller 5 is greater than the rolling frictional force that awl roller 5 received at the roll in-process, consequently when the spiral pipe was driven to take place to move, the awl roller 5 was driven to take place to rotate, realizes being convenient for to the drive effect of spiral pipe motion.
Referring to fig. 2 and 4, when pressure measurement is performed on spiral pipes with different specifications, in order to ensure that the spiral pipes are stable in the movement process, a driving block 8 is detachably arranged on a sliding block 7, the driving block 8 is arranged in a sliding manner with a frame 1, the driving block 8 moves along the axial direction of a conical roller 5, the circumferential direction of the spiral pipe is abutted against the circumferential direction of the conical roller 5, and the vertical section of the part, located between the two conical rollers 5, of each spiral pipe is an arc; when the cross-sectional circle size of the spiral pipe is increased, in order to ensure that the spiral pipe is stably driven, the length of the cross-sectional arc of the spiral pipe between the two conical rollers 5 is increased, namely, the two conical rollers 5 move towards the direction away from each other.
Referring to fig. 2 and 4, in order to facilitate the realization of the driving effect on the driving blocks 8, a driving assembly for driving the two driving blocks 8 to slide relatively is arranged on the rack 1, the driving assembly comprises a servo motor 9 fixedly connected with the rack 1 and a double-threaded rod 10 fixedly connected with the output end of the servo motor 9, two ends of the double-threaded rod 10 are provided with threads with opposite rotating directions, the length of the threads on the double-threaded rod 10 is equal, the two driving blocks 8 are respectively connected with two ends of the double-threaded rod 10 through threads, and the double-threaded rod 10 is rotatably connected with the rack 1.
Referring to fig. 3 and 4, the double-threaded rod 10 is driven to rotate, the driving block 8 is driven to move, in order to prevent the driving rod from rotating along with the double-threaded rod 10, a limiting assembly for limiting the driving block 8 to rotate is arranged on the rack 1, the limiting assembly comprises a sliding rod 11 fixedly arranged with the rack 1, the driving block 8 is sleeved outside the sliding rod 11, and the sliding rod 11 and the double-threaded rod 10 are arranged in parallel; the rotation of the driving block 8 is restricted and the driving block 8 is driven to move along the length direction of the slide bar 11.
Referring to fig. 4, the slide block 7 moves along with the driving block 8, the driving block 8 drives the rotating shaft 6 to move, the two conical rollers 5 move relatively and move in the direction away from each other, in order to ensure the stability of the conical roller 5 in the sliding process, a sliding groove 12 is arranged on the circumference of a sliding rod 11, the sliding rod 11 is arranged in a hollow way, a driving block 8 is fixedly connected with a convex block 13 which is connected in the sliding rod 11 in a sliding way, the convex block 13 penetrates out of the sliding groove 12 and then is fixedly connected with the driving block 8, when the sliding block 7 moves on the sliding rod 11, the convex block 13 moves along the length direction of the sliding chute 12, the two ends of the sliding chute 12 are arranged in a closed mode, the length dimension of the sliding rod 11 is larger than the sum of the length dimensions of the two conical rollers 5 in the horizontal direction, and the length dimension of the double-end threaded rod 10 is equal to that of the sliding rod 11, so that the two conical rollers 5 move towards the direction away from each other, and the position of the spiral pipe between the two conical rollers 5 is ensured.
Referring to fig. 4, conical rollers 5 is in long-term to the coil pipe transportation process, mechanical wear can take place for conical rollers 5, in order to ensure to conical rollers 5 to the transport effect of coil pipe, driving block 8 and 7 outsides of slider are equipped with fixed cover 14, the vertical direction cross-section of fixed cover 14 sets up to "concave" style of calligraphy, driving block 8 and slider 7 all are located the notch of fixed cover 14, fixed cover 14 threaded connection has bolt 15, the last lateral wall of fixed cover 14 sets up threaded hole, bolt 15 passes behind fixed cover 14 with slider 7 upper wall butt, continue to drive bolt 15 and move down, bolt 15 and slider 7 butt, bolt 15 drives fixed cover 14 and moves up, the lower wall of fixed cover 14 moves towards driving block 8, under the effect of bolt 15 and fixed cover 14 mutual extrusion, driving block 8 is fixed firm with slider 7.
Referring to fig. 4, in order to ensure the effect of stabilizing the position between the bolt 15 and the slider 7, a through hole 16 is formed in the slider 7, the bolt 15 is inserted into the through hole 16 after passing through the fixing sleeve 14, a conical column 17 is fixedly arranged at the end of the bolt 15, the diameter of the section circle of the conical column 17 is gradually reduced along the direction towards the driving block 8, when the driving bolt 15 moves towards the through hole 16, the diameter of the minimum section circle of the conical column 17 is smaller than the aperture of the through hole 16, when the conical column 17 moves to the position equal to the aperture of the through hole 16, the conical column 17 and the slider 7 are located at the position of the through hole 16 to realize the clamping and fixing effect, and the effect of stabilizing.
The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a pressure measuring machine for spiral pipe, includes frame (1), removes dish (2) and fixed disk (3), its characterized in that: frame (1) is located remove dish (2) and be provided with a plurality of portion of sliding (4) between fixed disk (3), portion of sliding (4) include two awl rollers (5), awl roller (5) circumference and screwed pipe butt, awl roller (5) fixedly connected with pivot (6), pivot (6) are rotated and are connected with slider (7), slider (7) removable be provided with frame (1) slides drive block (8) that set up, be provided with the drive two on frame (1) drive assembly that relative slip takes place for drive block (8).
2. A pressure measuring machine for a spiral pipe according to claim 1, characterized in that: drive assembly include with frame (1) fixed connection's servo motor (9) and with servo motor (9) output fixed connection's double threaded rod (10), double threaded rod (10) with frame (1) rotates the connection, the both ends of double threaded rod (10) respectively with two drive block (8) threaded connection, be provided with the restriction on frame (1) drive block (8) pivoted spacing subassembly.
3. A pressure measuring machine for a spiral pipe according to claim 2, characterized in that: the limiting assembly comprises a sliding rod (11) fixedly arranged on the frame (1), the driving block (8) is sleeved outside the sliding rod (11), and the sliding rod (11) and the double-end threaded rod (10) are arranged in parallel.
4. A pressure measuring machine for a spiral pipe according to claim 3, characterized in that: slide bar (11) have upwards seted up spout (12) in the circumference, slide bar (11) are the cavity setting, driving block (8) fixedly connected with sliding connection in lug (13) in slide bar (11), lug (13) wear out behind spout (12) with driving block (8) fixed connection.
5. A pressure measuring machine for a spiral pipe according to claim 1, characterized in that: the driving block (8) and the sliding block (7) are sleeved with a fixing sleeve (14), the fixing sleeve (14) is connected with a bolt (15) in a threaded mode, and the bolt (15) penetrates out of the fixing sleeve (14) and abuts against the upper end face of the sliding block (7).
6. A pressure measuring machine for a spiral pipe according to claim 5, characterized in that: a through hole (16) is formed in the sliding block (7), and the bolt (15) is inserted into the through hole (16).
7. A pressure measuring machine for a spiral pipe according to claim 6, characterized in that: the end part of the bolt (15) is fixedly provided with a conical column (17), the diameter of the cross section circle of the conical column (17) gradually decreases along the direction of the through hole (16), and the diameter of the minimum cross section circle of the conical column (17) is not larger than the aperture of the through hole (16).
8. A pressure measuring machine for a spiral pipe according to claim 4, characterized in that: the length dimension of the sliding rod (11) is not less than the sum of the length dimensions of the two conical rollers (5) in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921400058.XU CN210923316U (en) | 2019-08-26 | 2019-08-26 | Pressure measuring machine for spiral pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921400058.XU CN210923316U (en) | 2019-08-26 | 2019-08-26 | Pressure measuring machine for spiral pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210923316U true CN210923316U (en) | 2020-07-03 |
Family
ID=71351480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921400058.XU Expired - Fee Related CN210923316U (en) | 2019-08-26 | 2019-08-26 | Pressure measuring machine for spiral pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210923316U (en) |
-
2019
- 2019-08-26 CN CN201921400058.XU patent/CN210923316U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 |