CN210498974U - Welding positioning device for inner front end socket assembly - Google Patents
Welding positioning device for inner front end socket assembly Download PDFInfo
- Publication number
- CN210498974U CN210498974U CN201921013452.8U CN201921013452U CN210498974U CN 210498974 U CN210498974 U CN 210498974U CN 201921013452 U CN201921013452 U CN 201921013452U CN 210498974 U CN210498974 U CN 210498974U
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- positioning
- tube
- supporting
- pipe
- inner front
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- 238000003466 welding Methods 0.000 title claims abstract description 26
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 125000006850 spacer group Chemical group 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an interior preceding head subassembly welding position device is applicable to the interior preceding head subassembly in the LNG gas cylinder of taking the cryopump, including stay tube, first registration arm, second registration arm and bottom plate, stay tube, first registration arm and second registration arm are fixed in on the bottom plate along the straight line, and the stay tube is located between first registration arm and the second registration arm. The supporting tube is in a hollow cylindrical structure, the top of the supporting tube is arc-shaped and is matched with the bottom of the inner front end socket in shape. The first positioning pipe is of a hollow cylinder structure, and the top of the first positioning pipe is a first oblique cutting surface arranged towards the supporting pipe. The flange cushion block arranged in the first positioning pipe is of a cylinder structure with the top being an inclined plane. The second positioning pipe is of a hollow cylinder structure and is used for positioning the front end supporting assembly. The utility model discloses head, sleeve subassembly and front end supporting component before interior in the head subassembly before can being effectively pinpointed to head subassembly welded forming before accomplishing improves production efficiency, guarantees product quality.
Description
Technical Field
The utility model relates to an interior preceding head subassembly welding position device, in particular to an interior preceding head subassembly welding position device that is used for taking the LNG gas cylinder of cryogenic pump.
Background
With the development of environmental protection and clean energy in recent years, vehicle-mounted LNG gas cylinders are increasingly configured in the fields of heavy trucks, light trucks, passenger cars and the like, the conventional LNG gas cylinder which discharges liquid by means of pressure difference in the gas cylinder cannot meet higher requirements of the market, and various gas cylinder manufacturers have continuously developed LNG gas cylinders with cryogenic pumps, the cryogenic pump is arranged in the sleeve component, the hydraulic control part can drive the liquid outlet pump by using oil pressure, thereby sucking the LNG liquid out of the cylinder, overcoming the defect that the pressure in the cylinder is increased to discharge the LNG through external pressurization gas return of the traditional gas cylinder, however, how to ensure the relative position of the cryopump installation sleeve assembly and the front end support assembly in the manufacturing process of the LNG gas cylinder with the cryopump always is a bottleneck affecting the manufacturing beat and quality of products, therefore, the design of the welding and positioning device for the front seal head assembly in the LNG cylinder with the cryogenic pump is very important.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an interior preceding head subassembly welding position device can carry out quick, accurate location to interior preceding head, sleeve subassembly and front end supporting component in the head subassembly before inside effectively to head subassembly welded forming before accomplishing improves production efficiency, guarantees product quality.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides an interior front head subassembly welding position device, is applicable to the interior front head subassembly in the LNG gas cylinder of taking cryogenic pump, and interior front head subassembly comprises interior front head, sleeve subassembly and front end supporting component. The welding and positioning device for the inner front end socket assembly comprises a supporting pipe, a first positioning pipe, a second positioning pipe and a bottom plate, wherein the supporting pipe, the first positioning pipe and the second positioning pipe are fixed on the bottom plate along a straight line, and the supporting pipe is located between the first positioning pipe and the second positioning pipe. The supporting tube is in a hollow cylindrical structure and is used for supporting the inner front end socket, and the top of the supporting tube is arc-shaped and is matched with the bottom shape of the inner front end socket. The first positioning pipe is of a hollow cylinder structure and is used for positioning the sleeve component, and the top of the first positioning pipe is a first inclined plane arranged towards the supporting pipe, so that the sleeve component can be obliquely inserted into the supporting pipe. The flange cushion block is arranged inside the first positioning pipe, the flange cushion block is of a cylinder structure with the top being an inclined plane, the inclined plane is arranged towards the supporting pipe and is matched with a flange arranged at the bottom of the sleeve assembly, and the flange cushion block is used for supporting the sleeve assembly which is arranged in an inclined mode. The second positioning pipe is of a hollow cylinder structure and is used for positioning the front end supporting assembly.
Further, the top of the support tube is also provided with a second chamfered surface disposed toward the first positioning tube so that the sleeve assembly can be obliquely passed through the support tube.
Furthermore, the inclined plane on the flange cushion block is perpendicular to the axis of the sleeve assembly, so that the accurate positioning of the sleeve assembly is guaranteed.
Furthermore, the top side of the first positioning pipe is provided with a notch, and the notch is used for aligning with the notch arranged at the bottom end of the sleeve assembly, so that the positioning of the sleeve assembly is more accurate.
Furthermore, the inner wall of the second positioning pipe is provided with a step which plays a supporting role for the front end supporting assembly so as to ensure the height of the front end supporting assembly exposing the inner front end socket. At the position above the step, the inner diameter of the second positioning pipe is matched with the outer diameter of the front end supporting assembly, so that the front end supporting assembly can be inserted into the second positioning pipe for positioning; at a position below the step, the inner diameter of the second positioning tube is reduced.
Furthermore, the second positioning pipe is provided with a connecting hole positioned above the step, and the fixing pin is inserted into the connecting hole, so that the front end supporting assembly can be fixed in the second positioning pipe, and the front end supporting assembly is positioned.
Furthermore, the supporting tube, the first positioning tube and the second positioning tube are welded on the bottom plate.
Furthermore, the supporting tube, the first positioning tube and the second positioning tube are all made of stainless steel, and the bottom plate is made of carbon steel.
The utility model provides an interior preceding head subassembly welding position device simple structure, convenient operation can carry out quick, accurate location to interior preceding head, sleeve subassembly and front end supporting component in the head subassembly before inside effectively to head subassembly welded forming before accomplishing improves production efficiency, guarantees product quality.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
fig. 4 is a partially enlarged view of fig. 3.
Description of the main element symbols:
1 inner front end socket
2 Sleeve Assembly
3 front end support assembly
4 support tube
5 first positioning tube
51 Flange cushion block
52 bevel
53 flange
54 gap
6 second positioning tube
61 step
62 connecting hole
7 bottom plate
8 fixed pin
Detailed Description
The technical solution in the embodiment of the checking tool of the welding and positioning device for the inner front head assembly according to the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central", "lateral", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the supporting device or member being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.
The utility model provides an interior preceding head subassembly welding position device is applied to the interior preceding head subassembly in the LNG gas cylinder of taking the cryogenic pump, and interior preceding head subassembly comprises interior preceding head 1, sleeve subassembly 2 and front end supporting component 3, and wherein sleeve subassembly 2 and 3 slopes of front end supporting component set up, thereby three's relative position satisfies the welding of designing requirement and becomes interior preceding head subassembly in processing together.
As shown in fig. 1 to 3, the utility model provides an interior front head subassembly welding position device, including stay tube 4, first registration arm 5, second registration arm 6 and bottom plate 7, stay tube 4, first registration arm 5 and second registration arm 6 are fixed in on bottom plate 7 along the straight line, and stay tube 4 is located between first registration arm 5 and the second registration arm 6. In this embodiment, the support tube 4, the first positioning tube 5, and the second positioning tube 6 are welded to the bottom plate 7 by intermittent welding. The bottom plate 7 has a rectangular plate structure, which is convenient for processing and manufacturing, and in practical application, the bottom plate 7 may also have a plate structure with other shapes, such as a circular shape, without limitation.
The supporting tube 4 is of a hollow cylinder structure and is used for supporting the inner front end socket 1, the top of the supporting tube 4 is arc-shaped, and the arc-shaped is matched with the bottom shape of the inner front end socket 1. The top of the support tube 4 is further provided with a second chamfer arranged towards the first positioning tube 5, i.e. the top of the support tube 4 is circumferentially notched 1/3, so that the sleeve assembly 2 can obliquely pass through the support tube 4, and the support tube 4 is prevented from interfering with the positioning of the sleeve assembly 2.
The first positioning pipe 5 is located at one side of the support pipe 4 for positioning the sleeve assembly 2. The first positioning pipe 5 is formed in a hollow cylindrical structure, and the top thereof is a first chamfered surface disposed toward the support pipe 4 so that the sleeve assembly 2 can be obliquely inserted into the interior thereof. The first positioning pipe 5 is provided with a flange spacer 51 inside, and the flange spacer 51 is a cylindrical structure with a slope 52 at the top, and the slope 52 is arranged towards the supporting pipe 4 and is adapted to a flange 53 arranged at the bottom of the sleeve component 2. When the sleeve assembly 2 is inserted into the first positioning pipe 5 for accurate positioning, the inclined surface 52 on the flange spacer 51 is perpendicular to the axis of the sleeve assembly 2. The top side of the first positioning pipe 5 is provided with a notch 54, and when the position of the sleeve assembly 2 is adjusted, the notch 54 is aligned with the notch arranged at the bottom end of the sleeve assembly 2, so that the positioning of the sleeve assembly 2 can be ensured to be more accurate.
The second positioning tube 6 is located at the other side of the support tube 4 for positioning the front end support member 3. The second positioning tube 6 is of a hollow cylindrical structure, the inner wall of the second positioning tube is provided with a step 61, and the step 61 supports the front end supporting assembly 3 so as to ensure that the front end supporting assembly 3 is exposed out of the height of the inner front end socket 1. At the position above the step 61, the inner diameter of the second positioning pipe 6 is matched with the outer diameter of the front end supporting assembly 3, so that the front end supporting assembly 3 can be inserted into the second positioning pipe 6 for positioning; at a position below the step 61, the inner diameter of the second positioning tube 6 is reduced so that the inside of the second positioning tube 6 forms the step 61. Be equipped with the connecting hole 62 that is located the step 61 top on the second registration arm 6, pass the outer wall of second registration arm 6, front end supporting component 3's bottom with fixed pin 8 in proper order, insert in connecting hole 62 to be fixed in second registration arm 6 with front end supporting component 3, realize the location to front end supporting component 3.
The supporting tube 4, the first positioning tube 5 and the second positioning tube 6 are all made of stainless steel, and the bottom plate 7 is made of carbon steel.
Adopt the utility model provides an when interior preceding head subassembly welding position device carries out welding position to the interior preceding head subassembly of the LNG gas cylinder of taking the cryogenic pump, place sleeve subassembly 2 and front end supporting component 3 in first registration arm 5 and second registration arm 6 respectively earlier, the orientation of adjusting sleeve subassembly 2 and front end supporting component 3 embolias interior preceding head 1 slope, makes sleeve subassembly 2 and front end supporting component 3 wear out in corresponding hole on interior preceding head 1 respectively. The bottom of the inner front end socket 1 is contacted with the top of the supporting tube 4. The sleeve assembly 2 is oriented so that the flange connected to the end of the sleeve assembly 2 is aligned with the inclined surface 52 of the flange spacer 51, and the notch 54 formed in the first positioning tube 5 is aligned with the notch formed in the bottom end of the sleeve assembly 2 to position the sleeve assembly 2. Meanwhile, the front end support assembly 3 is adjusted so that the connection hole formed at the bottom end thereof is aligned with the connection hole 62 formed in the outer wall of the second positioning tube 6, and then the fixing pin 8 is inserted to position the front end support assembly 3. After the inner front end socket 1, the sleeve component 2 and the front end supporting component 3 are positioned, the sleeve component 2, the front end supporting component 3 and the circumferential part of the inner front end socket 1 in contact are welded and fixed, and then the inner front end socket component can be welded. The utility model provides an interior front head subassembly welding position device can effectively guarantee interior front head 1, sleeve subassembly 2 and front end supporting component 3's relative position, prevents that sleeve flange hole site and distribution hole site from having relative deviation to influence outside air supply system pipeline and arrange.
It should be noted that: the above description is only the preferred embodiment of the present invention, and the scope of the present invention should not be limited once. Therefore, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A welding and positioning device for an inner front seal head component is suitable for the inner front seal head component in an LNG cylinder with a cryogenic pump, the inner front seal head component is composed of an inner front seal head (1), a sleeve component (2) and a front end supporting component (3), and is characterized by comprising a supporting tube (4), a first positioning tube (5), a second positioning tube (6) and a bottom plate (7), the supporting tube (4), the first positioning tube (5) and the second positioning tube (6) are fixed on the bottom plate (7) along a straight line, the supporting tube (4) is positioned between the first positioning tube (5) and the second positioning tube (6),
the supporting tube (4) is in a hollow cylinder structure and is used for supporting the inner front end socket (1), the top of the supporting tube is in an arc shape and is matched with the bottom shape of the inner front end socket (1),
the first positioning pipe (5) is of a hollow cylinder structure and is used for positioning the sleeve component (2), and the top of the first positioning pipe is a first inclined plane which is arranged towards the supporting pipe (4) so that the sleeve component (2) can be obliquely inserted into the first positioning pipe; a flange cushion block (51) is arranged inside the first positioning pipe (5), the flange cushion block (51) is of a cylindrical structure with the top part being an inclined plane (52), the inclined plane (52) is arranged towards the supporting pipe (4), the inclined plane (52) is adapted to a flange (53) arranged at the bottom of the sleeve component (2),
the second positioning pipe (6) is of a hollow cylinder structure and is used for positioning the front end supporting assembly (3).
2. An inner front head assembly welding positioning device according to claim 1, characterized in that the top of the supporting tube (4) is further provided with a second chamfer arranged towards the first positioning tube (5), so that the sleeve assembly (2) can obliquely pass through the supporting tube (4) and the supporting tube (4) is prevented from interfering with the positioning of the sleeve assembly (2).
3. A welding and positioning device for an inner front head assembly according to claim 1, characterized in that the inclined surface (52) on the flange cushion block (51) is perpendicular to the axis of the sleeve assembly (2).
4. An inner front head assembly welding and positioning device according to claim 3, characterized in that a notch (54) is formed in the side surface of the top of the first positioning pipe (5), and the notch (54) is used for being aligned with a notch formed in the bottom end of the sleeve assembly (2), so that the sleeve assembly (2) can be positioned more accurately.
5. An inner front head assembly welding and positioning device according to claim 1, characterized in that the inner wall of the second positioning pipe (6) is provided with a step (61), and the inner diameter of the second positioning pipe (6) is adapted to the outer diameter of the front end support assembly (3) at a position above the step (61); the inner diameter of the second positioning tube (6) is reduced at a position below the step (61).
6. The welding and positioning device for the inner front head assembly as claimed in claim 5, wherein the second positioning pipe (6) is provided with a connecting hole (62) above the step (61).
7. An inner front head assembly welding and positioning device according to any one of claims 1 to 6, characterized in that the supporting tube (4), the first positioning tube (5) and the second positioning tube (6) are welded on the bottom plate (7).
8. The welding and positioning device for the inner front head assembly according to any one of claims 1 to 6, wherein the supporting tube (4), the first positioning tube (5) and the second positioning tube (6) are all made of stainless steel, and the bottom plate (7) is made of carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013452.8U CN210498974U (en) | 2019-07-01 | 2019-07-01 | Welding positioning device for inner front end socket assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013452.8U CN210498974U (en) | 2019-07-01 | 2019-07-01 | Welding positioning device for inner front end socket assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210498974U true CN210498974U (en) | 2020-05-12 |
Family
ID=70581649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921013452.8U Expired - Fee Related CN210498974U (en) | 2019-07-01 | 2019-07-01 | Welding positioning device for inner front end socket assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210498974U (en) |
-
2019
- 2019-07-01 CN CN201921013452.8U patent/CN210498974U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |