CN217700779U - Device for adjusting large thick-wall deformed seal head - Google Patents
Device for adjusting large thick-wall deformed seal head Download PDFInfo
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- CN217700779U CN217700779U CN202123043875.4U CN202123043875U CN217700779U CN 217700779 U CN217700779 U CN 217700779U CN 202123043875 U CN202123043875 U CN 202123043875U CN 217700779 U CN217700779 U CN 217700779U
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- end socket
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- jack
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Abstract
The utility model discloses a device of large-scale thick wall deformation head of adjustment at first carries out mechanical adjustment to the head diameter with hydraulic jack and extension rod, makes the head overall dimension accord with the drawing requirement, then adds and welds cross technology lacing wire to the head carries out the interior stress relief heat treatment of stove, eliminate the internal stress that mechanical adjustment produced, guarantee that head shape and size are stable. Adopt the utility model discloses adjust the back to the head that warp, the head overall configuration size meets the drawing requirement, and head mechanical properties is not influenced simultaneously, has guaranteed the head manufacturing quality.
Description
Technical Field
The utility model belongs to the technical field of the head is made, a device of large-scale thick wall deformation head of adjustment is related to.
Background
The liquefied petroleum gas seal head is easy to deform in the manufacturing process due to the special structure, namely the structural characteristics of thick wall, large diameter, opening and the like, when the liquefied petroleum gas storage tank truck is produced by our company, the seal head is greatly deformed, the diameter difference of the seal head is out of tolerance, the roundness is not in accordance with requirements, the end face of the seal head is not on the same horizontal plane, the height difference exists and the like, the seal head cannot be assembled with a barrel, the assembly of the tank body is influenced, the deformed seal head needs to be adjusted, and the assembly quality of the seal head and the barrel body is ensured.
The adjustment of the deformed end socket is usually corrected by adopting a method of local flame heating and knocking, the flame heating temperature is not easy to control, overheating is easy to occur, the heating temperature of each part of the end socket is uneven, and thermal stress exists to influence the structure and the performance of the end socket; the deformed end socket is corrected by adopting a knocking method, the shape and the size of the end socket are not easy to control, and deviation is easy to occur.
SUMMERY OF THE UTILITY MODEL
Defect and not enough to among the prior art, the utility model provides a device of large-scale thick wall deformation head of adjustment to can effectively solve the shape and size overproof problem of warping the head, make it satisfy the drawing requirement, and head mechanical properties is not influenced in the adjustment process, and the adjusted head must not have the internal stress, in order to avoid influencing the equipment quality of head and barrel.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a device for adjusting a large thick-wall deformed end socket comprises a jack, an extension bar and two lacing wires;
the jack and the extension bar are coaxial, a fixed seat of the jack is welded with one end of the extension bar, the jack and the extension bar can be radially arranged along the end socket, the end part of a hydraulic rod of the jack and the other end of the extension bar can be propped against the inner wall of the straight edge section of the end socket, and the jack and the extension bar can be arranged radially at the position with the smallest diameter of the end socket and can mechanically adjust the diameter of the end socket by adjusting the pressure of the jack;
the lacing wire has two, and two lacing wires homoenergetic are laid and mutually perpendicular along the head is radial, and every lacing wire is parallel in order to ensure that the lacing wire does not incline with head mouth edge place plane, and lacing wire adjustable length and lacing wire both ends can be with head straight limit section inner wall fixed connection to prevent that the head warp.
The utility model discloses still include following technical characteristic:
optionally, a backing plate I is welded to the end of a hydraulic rod of the jack, and the backing plate I is clamped between the end of the hydraulic rod and the inner wall of the straight-edge section of the end socket to increase the contact area between the end of the hydraulic rod and the inner wall of the straight-edge section of the end socket and prevent the end socket from being locally deformed.
Optionally, the end part of the extension rod is welded with a backing plate II, and the backing plate II is clamped between the end part of the extension rod and the inner wall of the straight edge section of the end socket so as to increase the contact area between the end part of the extension rod and the inner wall of the straight edge section of the end socket and prevent the local deformation of the end socket.
Optionally, the lacing wire includes that outer tube and outer tube inner wall are equipped with the internal thread, still includes two coaxial lead screws of establishing in the outer tube, and the lead screw is connected with outer tube screw-thread fit, and two lead screws can be followed the outer tube both ends and screwed out.
Optionally, a fulcrum seat is welded at the end of the screw rod and is located between the end of the screw rod and the inner wall of the straight-side section of the end enclosure.
Optionally, the length of the lacing wire is adjusted through the lead screw so that the fulcrum seat can be contacted with the inner wall of the straight edge section of the end socket.
Optionally, after the fulcrum seat is contacted with the inner wall of the straight edge section of the end socket, the fulcrum seat can be welded with the inner wall of the straight edge section through spot welding.
Compared with the prior art, the utility model, profitable technological effect is:
the utility model discloses in, at first carry out mechanical adjustment to the head diameter with hydraulic jack and extension rod, make the head overall dimension accord with the drawing requirement, then add and weld cross technology lacing wire to the head carries out the interior stress relief heat treatment of stove, eliminates the internal stress that mechanical adjustment produced, guarantees head shape and size stability.
Adopt the utility model discloses adjust the back to the head that warp, the head overall configuration size meets the drawing requirement, and head mechanical properties is not influenced simultaneously, has guaranteed the head manufacturing quality.
The utility model discloses an adjustment of other deformation products of the same material provides the reference effect.
Drawings
Fig. 1 is a schematic view of the jack and the extension bar of the present invention arranged on the end socket;
fig. 2 is the schematic diagram of the lacing wire of the utility model arranged on the end socket.
The reference numerals have the meanings given below:
1. the lifting jack, 2, extension bar, 3, lacing bar, 4, backing plate I,5, backing plate II,6, end socket, 31, outer tube, 32, lead screw, 33, fulcrum seat.
The present invention will be described in detail with reference to the drawings and the following detailed description.
Detailed Description
Obey above-mentioned technical scheme, following the present utility model discloses a specific embodiment, it needs to explain that the utility model discloses do not confine following specific embodiment to, all fall into the protection scope of the utility model to the equivalent transform of doing on the basis of this application technical scheme. The present invention will be described in further detail with reference to examples.
Example 1:
the embodiment provides a device for adjusting a large thick-wall deformed end socket, which comprises a jack 1, an extension bar 2 and two tie bars 3;
the jack 1 and the extension bar 2 are coaxial, a fixed seat of the jack 1 is welded with one end of the extension bar 2, the jack 1 and the extension bar 2 can be arranged along the radial direction of the seal head, the end part of a hydraulic rod of the jack 1 and the other end of the extension bar 2 can be propped against the inner wall of the straight edge section of the seal head, and after the jack 1 and the extension bar 2 are arranged at the position with the minimum diameter of the seal head in the radial direction, the diameter of the seal head can be mechanically adjusted by adjusting the pressure of the jack 1;
the lacing wire 3 has two, and two lacing wires 3 homoenergetic are radially laid and mutually perpendicular along the head, and every lacing wire 3 is parallel in order to ensure that lacing wire 3 does not incline with head mouth edge place plane, 3 adjustable length of lacing wire and 3 both ends of lacing wire can with head straight limit section inner wall fixed connection to prevent that the head warp.
A base plate I4 is welded at the end part of a hydraulic rod of the jack 1, and the base plate I4 is clamped between the end part of the hydraulic rod and the inner wall of the straight edge section of the end socket so as to increase the contact area between the end part of the hydraulic rod and the inner wall of the straight edge section of the end socket and prevent the local deformation of the end socket; 2 tip welding of extension bar has backing plate II5, and this backing plate II5 presss from both sides between 2 tip of extension bar and head straight side section inner wall to the area of contact that increases 2 tip of extension bar and head straight side section inner wall prevents the head local deformation.
The lacing wire 3 includes that outer tube 31 and outer tube 31 inner wall are equipped with the internal thread, still including establishing two coaxial lead screws 32 in outer tube 31, lead screw 32 and outer tube 31 screw-thread fit are connected, and two lead screws 32 can be followed outer tube 31 both ends and unscrewed.
The end part of the screw rod 32 is welded with a fulcrum seat 33, and the fulcrum seat 33 is positioned between the end part of the screw rod 32 and the inner wall of the straight edge section of the seal head.
The length of the lacing wire 3 is adjusted through the screw rod 32, so that the fulcrum seat 33 can be contacted with the inner wall of the straight edge section of the end socket.
After the fulcrum seat 33 is contacted with the inner wall of the straight edge section of the end socket, the fulcrum seat 33 can be welded with the inner wall of the straight edge section through spot welding.
Example 2:
the embodiment provides a method for adjusting a large thick-wall deformed end socket, which is implemented by the device for adjusting a large thick-wall deformed end socket in embodiment 1, and the method comprises the following steps:
firstly, placing a deformed seal head on a platform, measuring the size of each part of the seal head, then radially arranging a 5-ton hydraulic jack and a lengthening rod along the seal head and propping against the part with the smallest inner diameter of the straight edge section of the seal head, rotating a handle of the jack, adjusting the pressure of the jack to enable the inner diameter of the straight edge section of the seal head of the part to reach the requirement of a drawing, and measuring the diameter size of other parts of the seal head;
step two, after all the diameters meet the requirements, two crossed tie bars are arranged on the inner wall of the straight edge section of the end socket, and two ends of each tie bar are welded with the inner wall of the straight edge section of the end socket;
in the second step, firstly, an anti-deformation first lacing wire distributed along the radial direction of the end socket is arranged on the straight edge section of the end socket, the length of the first lacing wire is adjusted through a lead screw, so that fulcrum seats at two ends of the first lacing wire are contacted with the inner wall of the straight edge section of the end socket, and the fulcrum seats and the inner wall of the straight edge section of the end socket are subjected to spot welding; then installing a second lacing wire which is radially distributed along the end socket and is perpendicular to the first lacing wire at the straight edge section of the end socket, adjusting the length of the second lacing wire through a lead screw to enable fulcrum seats at two ends of the second lacing wire to be in contact with the inner wall of the straight edge section of the end socket, and carrying out spot welding on the fulcrum seats and the inner wall of the straight edge section of the end socket; the additional installation of the fulcrum seat can not only protect the screw rod, but also facilitate the welding with the seal head; the two tie bars are parallel to the plane of the edge of the end socket so as to prevent the tie bars from inclining;
step three, after welding the two anti-deformation lacing wires, loosening and removing the top of the thousand-jin and the extension bar;
step four, performing in-furnace stress relief heat treatment on the end socket, wherein the heating speed and the cooling speed are not more than 150 ℃/h, the heat preservation temperature is 620 ℃, and the heat preservation time is 1.5 hours;
specifically, in the fourth step, firstly, the bottom of the seal head is flatly placed on a trolley of the heat treatment furnace, the opening of the seal head is upward, and the plane of the trolley contacting with the bottom of the seal head needs to be a horizontal plane; then, stress relief heat treatment is carried out on the end socket in the furnace, the end socket after the stress relief heat treatment can ensure the stability of the shape and the size, the heating temperature is lower than the phase change temperature of the material, the structure of the end socket cannot be changed, and the mechanical property of the end socket is not influenced;
and fifthly, removing the tie bars after the stress relief heat treatment is finished, polishing the welding part of the end socket, and performing magnetic powder inspection after polishing and leveling.
Claims (7)
1. A device for adjusting a large thick-wall deformed end socket is characterized by comprising a jack (1), an extension bar (2) and two tie bars (3);
the jack (1) and the extension rod (2) are coaxial, a fixed seat of the jack (1) is welded with one end of the extension rod (2), the jack (1) and the extension rod (2) can be radially arranged along the end socket, the end part of a hydraulic rod of the jack (1) and the other end of the extension rod (2) can be propped against the inner wall of the straight edge section of the end socket, and after the jack (1) and the extension rod (2) are radially arranged at the position with the smallest diameter of the end socket, the diameter of the end socket can be mechanically adjusted by adjusting the pressure of the jack (1);
the two tie bars (3) are arranged, the two tie bars (3) can be radially arranged along the end socket and are perpendicular to each other, each tie bar (3) is parallel to the plane where the edge of the end socket is located so as to ensure that the tie bars (3) do not incline, the length of the tie bars (3) is adjustable, and the two ends of the tie bars (3) can be fixedly connected with the inner wall of the straight edge section of the end socket so as to prevent the end socket from deforming.
2. The device for adjusting the large-sized thick-wall deformed end socket according to claim 1, wherein a backing plate I (4) is welded at the end part of the hydraulic rod of the jack (1), and the backing plate I (4) is clamped between the end part of the hydraulic rod and the inner wall of the straight edge section of the end socket so as to increase the contact area between the end part of the hydraulic rod and the inner wall of the straight edge section of the end socket and prevent the end socket from being locally deformed.
3. The device for adjusting the large-sized thick-wall deformed end socket according to claim 1, wherein a backing plate II (5) is welded at the end part of the extension bar (2), and the backing plate II (5) is clamped between the end part of the extension bar (2) and the inner wall of the straight edge section of the end socket to increase the contact area between the end part of the extension bar (2) and the inner wall of the straight edge section of the end socket so as to prevent the end socket from being deformed locally.
4. The device for adjusting the large-sized thick-wall deformed end socket according to claim 1, wherein the tie bar (3) comprises an outer pipe (31), the inner wall of the outer pipe (31) is provided with internal threads, and the device further comprises two coaxial lead screws (32) arranged in the outer pipe (31), the lead screws (32) are in threaded fit connection with the outer pipe (31), and the two lead screws (32) can be screwed out from two ends of the outer pipe (31).
5. A device for adjusting a large thick-wall deformed end socket according to claim 4, wherein a fulcrum seat (33) is welded at the end of the screw rod (32) and the fulcrum seat (33) is positioned between the end of the screw rod (32) and the inner wall of the straight edge section of the end socket.
6. A device for adjusting a large-sized thick-wall deformed end socket according to claim 5, wherein the fulcrum seat (33) can be contacted with the inner wall of the straight section of the end socket by adjusting the length of the lacing wire (3) through the lead screw (32).
7. The device for adjusting the large-sized thick-wall deformed end socket according to claim 6, wherein the fulcrum seat (33) can be welded with the inner wall of the straight section by spot welding after being contacted with the inner wall of the straight section of the end socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123043875.4U CN217700779U (en) | 2021-12-06 | 2021-12-06 | Device for adjusting large thick-wall deformed seal head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123043875.4U CN217700779U (en) | 2021-12-06 | 2021-12-06 | Device for adjusting large thick-wall deformed seal head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217700779U true CN217700779U (en) | 2022-11-01 |
Family
ID=83773301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123043875.4U Active CN217700779U (en) | 2021-12-06 | 2021-12-06 | Device for adjusting large thick-wall deformed seal head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217700779U (en) |
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2021
- 2021-12-06 CN CN202123043875.4U patent/CN217700779U/en active Active
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