KR20170088207A - Fit Up Jig for Nozzle - Google Patents

Fit Up Jig for Nozzle Download PDF

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Publication number
KR20170088207A
KR20170088207A KR1020160008281A KR20160008281A KR20170088207A KR 20170088207 A KR20170088207 A KR 20170088207A KR 1020160008281 A KR1020160008281 A KR 1020160008281A KR 20160008281 A KR20160008281 A KR 20160008281A KR 20170088207 A KR20170088207 A KR 20170088207A
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KR
South Korea
Prior art keywords
nozzle
main body
jig
fixing part
fixing portion
Prior art date
Application number
KR1020160008281A
Other languages
Korean (ko)
Other versions
KR101824923B1 (en
Inventor
연제완
Original Assignee
두산중공업 주식회사
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Filing date
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Priority to KR1020160008281A priority Critical patent/KR101824923B1/en
Publication of KR20170088207A publication Critical patent/KR20170088207A/en
Application granted granted Critical
Publication of KR101824923B1 publication Critical patent/KR101824923B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0408—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Coating Apparatus (AREA)
  • Automatic Assembly (AREA)

Abstract

Disclosed is a fit up jig for a nozzle. According to an embodiment of the present invention, a fit up jig (100) for a nozzle is mounted on a surface on which the nozzle is welded and attached, guiding a location of the nozzle to fixate the nozzle. The fit up jig for the nozzle comprises: a main body portion formed in a structure corresponding to a surface to be attached; a nozzle fixing portion formed on one side portion of the main body portion, formed in a structure corresponding to an outer diameter of one end portion of the nozzle, and fixating the nozzle by contacting one end portion of the nozzle; and a main body fixing portion mounted on the main body portion, and engaging the main body portion to the surface to be attached to fixate the main body portion. According to the present invention, the fit up jig for the nozzle comprises: the main body portion, the nozzle fixing portion, and the main body fixing portion of a specific structure such that one operator is able to easily fixate the nozzle in a precise location and direction.

Description

Fit Up Jig for Nozzle}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a jig for nozzle uplift, and more particularly, to a jig for nozzle uplift in which a nozzle is mounted on an attachment target surface to be adhered thereto to guide and fix the position of the nozzle.

1 is a photograph showing a state in which a plurality of nozzles are welded to a pressure vessel.

Generally, two or more operators are required to weld a plurality of nozzles to a pressure vessel after welding.

As shown in FIG. 1, when a plurality of nozzles are attached to the pressure vessel, the operation of fixing the position of each nozzle accurately and welding it is a work requiring a high technique.

Therefore, in the mounting and welding method according to the prior art, welding was performed after precisely fixing the positions of the nozzles by a plurality of workers.

However, the method according to the prior art requires a large number of operators and has a problem that it takes a lot of time to accurately fix the position of the nozzle.

Therefore, there is a need for a technique capable of solving the problem of the working method according to the prior art.

Korean Patent Publication No. 10-2008-0110096 (published on December 18, 2008)

SUMMARY OF THE INVENTION An object of the present invention is to provide a jig for nozzle uptight which can easily fix a nozzle in an accurate position and direction without requiring a large number of operators when fitting a nozzle onto a mounting surface.

According to an aspect of the present invention, there is provided a jig for nozzle-up according to the present invention, comprising: a nozzle fix-up jig for guiding and fixing a position of a nozzle mounted on a mounting surface to be adhered, A body portion formed in a structure corresponding to that of FIG. A nozzle fixing part formed at one side of the main body and having a structure corresponding to an outer diameter of one end of the nozzle, the nozzle fixing part contacting the one end of the nozzle to fix the nozzle; And a main body fixing unit mounted on the main body unit and fixing the main body unit to the mounting surface.

According to an embodiment of the present invention, the body portion is provided with a coupling hole having a structure corresponding to the body fixing portion, and the main body fixing portion is attached to a coupling hole formed in the main body portion, have.

In some cases, the body portion is formed with two or more binding means, and any one binding means may be a slit structure.

Further, the main body fixing portion may have a plug structure formed with an outer diameter corresponding to the inner diameter of the binding means.

A handle may be attached to one end of the main body fixing portion.

In addition, a magnetic force generating member may be mounted on one side of the main body fixing portion, and in this case, the magnetic force generating member may be a structure capable of generating or interrupting a magnetic force by a switch operation of a user.

In one embodiment of the present invention, the nozzle fixing portion may be a plane C-shaped structure formed with a radius of curvature corresponding to the outer diameter of the nozzle so as to surround a part of one end of the nozzle.

In this case, the nozzle fixing part may further include a structure for changing the radius of curvature of the C-shaped structure in a plan view.

The thickness of the nozzle fixing part may be 10 to 50 mm.

In an embodiment of the present invention, the nozzle fixing part may be coupled to the body part by a hinge structure so as to be rotatable by a predetermined angle.

As described above, according to the jig for nozzle-up according to the present invention, the jig having the specific structure, the nozzle fixing portion, and the body fixing portion can be easily fixed by one operator in the correct position and direction have.

In addition, according to the jig for nozzle-up according to the present invention, since the jig for jig that is connected to each other by the slit structure is provided, the position of the jig for nozzle-up can be rapidly changed, .

According to the nozzle-fitting jig of the present invention, since the main body portion and the main body fixing portion can be stably fixed to the mounting target surface, the nozzle fitting-up jig can be more stably fixed to the mounting surface, As a result, the position of the nozzle can be stably guided and fixed.

In addition, according to the jig for nozzle-up according to the present invention, the solution can be adhered to one end of the main body fixing part, or the magnetic force generating member can be mounted on one side of the main body fixing part, So that the time required for the nozzle-up work can be remarkably shortened.

In addition, according to the jig for nozzle-up according to the present invention, since the nozzle fixing portion formed in a planar C-shaped structure formed with a radius of curvature corresponding to the outer diameter of the nozzle is provided, the nozzle can be held and fixed more stably.

Further, the jig for nozzle-up according to the present invention includes a structure for changing the radius of curvature of the C-shaped structure on the plane of the nozzle fixing portion, and thus can be applied to a nozzle having various sizes of outer diameters.

In addition, according to the nozzle-fitting jig of the present invention, in the operation of fixing the nozzle by bringing the nozzle into contact with the nozzle fixing portion by mounting the nozzle fixing portion on the main body portion so as to be rotatable by a predetermined angle by the hinge structure, It is possible to perform a quick operation, and as a result, the time required for the nozzle-up work can be significantly shortened.

According to another aspect of the present invention, there is provided a jig for fixing a nozzle, wherein an extension portion extending for a predetermined length is formed at one end of the nozzle fixing portion so as to be drawn or discharged along a sliding rail formed in the main body, A sliding rail can be formed in which the extension portion can be slidably inserted or ejected.

1 is a schematic view showing a state in which a plurality of nozzles are welded to a pressure vessel.
2 is a plan view showing a jig for nozzle-up according to an embodiment of the present invention.
3 is a schematic view showing a state in which the jig for nozzle-up shown in Fig. 2 is mounted on a pressure vessel.
4 is a schematic view showing a state in which the position of the nozzle is fixed by using a jig for nozzle-up-up.
5 is a schematic view showing a state in which a position of a nozzle is fixed using a jig for nozzle-up-up and then a fill-up welding is performed.
6 is a plan view showing a jig for nozzle-up according to another embodiment of the present invention.
7 is a plan view showing a jig for nozzle-up according to another embodiment of the present invention.
8 is a plan view showing a jig for nozzle-up according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. Prior to the description, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and should be construed in accordance with the technical concept of the present invention.

Throughout this specification, when a member is "on " another member, this includes not only when the member is in contact with another member, but also when there is another member between the two members. Throughout this specification, when an element is referred to as "including" an element, it is understood that it may include other elements as well, without departing from the other elements unless specifically stated otherwise.

2 is a plan view showing a jig for nozzle-up according to an embodiment of the present invention.

Referring to these figures, the nozzle-fitting jig 100 according to the present embodiment is mounted on a mounting surface 10 to which a nozzle 20 is to be welded and adhered so as to guide and fix the position of the nozzle 20. [ When the plurality of nozzles 20 are attached as the fi xing jig 100, the effect can be maximized.

As mentioned above, the method according to the prior art is a method in which welding is performed by a welding worker after fixing the position of the nozzle 20 at an accurate position by a plurality of workers.

However, when the jig 100 according to the present embodiment is used, a separate operator is not required to fix the position of the nozzle 20 accurately.

Specifically, the nozzle-fitting jig 100 according to the present embodiment includes a main body 110 having a specific structure, a nozzle fixing portion 120, and a main body fixing portion 130, It can be easily fixed in the correct position and direction.

Hereinafter, a more detailed structure of the nozzle-fitting jig 100 according to the present embodiment will be described.

The main body 110 is preferably a plate-like structure and is formed in a structure corresponding to the surface of the attachment target surface 10.

2, the nozzle fixing unit 120 is formed on one side of the main body 110 and has a structure corresponding to the outer diameter of one end of the nozzle 20, So that the nozzle 20 can be fixed.

The main body fixing portion 130 is mounted on the main body portion 110 and can fix the main body portion 110 to the mounting surface 10.

FIG. 3 is a schematic view showing a state in which the jig for nozzle up-fitting shown in FIG. 2 is mounted on a pressure vessel, and FIG. 4 is a schematic view showing a state where a nozzle is fixed by using a jig for nozzle up- And FIG. 5 is a schematic view showing a state in which the position of the nozzle is fixed by using a jig for nozzle-up-up and then the fatigue-welding is performed.

Hereinafter, a method of utilizing the jig 100 for nozzle fitting according to the present embodiment will be described in detail with reference to FIGS. 3 to 5. FIG.

2 and 3, the main body 110 according to the present embodiment is formed in a structure corresponding to the surface of the attachment target surface 10, and is in close contact with the surface of the attachment target surface 10 . The main body 110 is formed with a coupling hole 111 having a structure corresponding to the main body fixing portion 150. The main body fixing portion 130 is fixed to the coupling hole 111 formed in the main body 110 So that the main body 110 can be bound to the mounting surface 10.

As shown in FIG. 2, a handle 131 is attached to one end of the main body fixing part 130, and the main body fixing part 130 is fixed to the main body fixing part 130, So that it can be handled easily.

In some cases, the magnetic force generating member 132 may be mounted on one side of the body fixing portion 130 when the object surface 10 is a metal material attached by magnetic force. The magnetic force generating member 132 generates a magnetic force so that the main body fixing portion 130 is stably coupled to the main body 110 and as a result the main body portion 110 is stably fixed to the mounting surface 10 . Preferably, the above-mentioned magnetic force generating member 132 may be a device capable of generating or interrupting a magnetic force by a switch operation. At this time, the switch of the magnetic force generating member 132 can be integrated with the handle 131.

As shown in FIGS. 2 and 4, the nozzle 20 can be fixed by the nozzle fixing portion 120.

Specifically, the nozzle fixing portion 120 may be a plane C-shaped structure formed with a radius of curvature corresponding to the outer diameter of the nozzle 20 so as to surround a part of one end of the nozzle 20. [ Therefore, the position of one end of the nozzle 20 can be stably fixed by the nozzle fixing portion 120. [ At this time, the thickness of the nozzle fixing part 120 is not particularly limited as long as the thickness of the nozzle fixing part 120 is sufficiently contacted with one end of the nozzle 20 to support and fix the one end of the nozzle, May be 10 to 50 mm.

As shown in FIG. 5, the position of the nozzle can be easily fixed by using the jig 100 for nozzle fitting according to the present embodiment, and then, the fill-up welding can be performed.

6 is a plan view showing a jig for nozzle-up according to another embodiment of the present invention.

The nozzle fixing portion 120 of the nozzle fitting up jig 100 shown in FIG. 6 can be bound to the main body portion 110 by the hinge structure 121 so as to be rotatable by a predetermined angle.

In this case, in fixing the position of the nozzle, the position of the nozzle fixing part 120 can be changed to various positions by utilizing the hinge structure 121, so that the position of the nozzle can be more easily fixed.

6, the jig 100 for nozzle-up according to the present embodiment includes another nozzle fixing portion 122 bounded by the main body portion 110 and the hinge structure 121 .

In this case, the nozzle fixing portions 120 and 122 can be held and fixed in the form of wrapping the outer diameter of the nozzle, and as a result, the position of the nozzle can be more stably fixed.

7 is a plan view showing a jig for nozzle-up according to another embodiment of the present invention.

7, the nozzle-fitting jig 100 according to the present embodiment includes two binding members 111, one binding member 111 having a circular shape, and the other binding member May be a slit structure 112.

In this case, even if the nozzle pitches (pitches) are different, the fixing portion 130 of the slit structure 112 according to the present embodiment can be used to stably fix the body fixing portion 130 to the mounting surface 10. As a result, the nozzle-fitting jig 100 according to the present embodiment can stably fix the nozzle to nozzles arranged at various intervals.

In this case, the nozzle fitting jig 100 is fixed to the attachment target surface 10 by using the body fixing portion 130, and then only one of the two body fixing portions 130 is removed without removing it, So that the position of the main body 110 can be moved. The main body 110 can be fixed by binding the main body fixing part 130 which has been removed after the main body part 110 is moved.

Accordingly, the nozzle-fitting jig 110 according to the present embodiment including the slit structure 112 can change the position of the main body 110 in a shorter time when performing operations on various nozzles As a result, the time required for the operation can be significantly shortened.

Optionally, as shown in Fig. 7, the nozzle fixing portion 120 may further include a structure for changing the radius of curvature of the planar C-shaped structure.

Specifically, a detachable member 123 having a detachable structure can be mounted on one side of the nozzle fixing portion 120. At this time, one side of the desorption member 123 is formed with a curved surface having a curvature radius of a specific length, and a curved surface having another radius of curvature may be formed on the other side. That is, by mounting or removing the desorption member 123, it is possible to stably fix the nozzle having various outer diameters. Therefore, since the nozzle fixing part 120 according to the present embodiment can be applied to nozzles having various outer diameters, it is possible to utilize a jig for nozzle finishing in general.

8 is a plan view showing a jig for nozzle-up according to another embodiment of the present invention.

As shown in FIG. 8, the jig 100 for nozzle pick-up according to the present embodiment may include a structure capable of changing the position of the nozzle fixing portion 120.

Specifically, an extension 124 may be formed at one end of the nozzle fixing part 120 to extend or retract into the interior of the main body 110 by a predetermined length. In addition, a sliding rail 113 may be formed in the main body 110 so that one end of the nozzle fixing part 120 may be inserted. At this time, the operator can change the position of the nozzle fixing part 120 variously according to the position of the nozzle to be fixed. Therefore, the nozzle-fitting jig 100 according to the present embodiment can be used for various nozzle intervals in a general manner.

As described above, according to the jig for nozzle-up according to the present invention, the jig having the specific structure, the nozzle fixing portion, and the body fixing portion can be easily fixed by one operator in the correct position and direction have.

In addition, according to the jig for nozzle-up according to the present invention, since the jig for jig that is connected to each other by the slit structure is provided, the position of the jig for nozzle-up can be rapidly changed, .

According to the nozzle-fitting jig of the present invention, since the main body portion and the main body fixing portion can be stably fixed to the mounting target surface, the nozzle fitting-up jig can be more stably fixed to the mounting surface, As a result, the position of the nozzle can be stably guided and fixed.

According to the nozzle-fitting jig of the present invention, a handle can be attached to one end of the main body fixing part, or a magnetic force generating member can be mounted on one side of the main body fixing part, so that the jig for nozzle- So that the time required for the nozzle-up work can be remarkably shortened.

In addition, according to the jig for nozzle-up according to the present invention, since the nozzle fixing portion formed in a planar C-shaped structure formed with a radius of curvature corresponding to the outer diameter of the nozzle is provided, the nozzle can be held and fixed more stably.

Further, the jig for nozzle-up according to the present invention includes a structure for changing the radius of curvature of the C-shaped structure on the plane of the nozzle fixing portion, and thus can be applied to a nozzle having various sizes of outer diameters.

In addition, according to the nozzle-fitting jig of the present invention, in the operation of fixing the nozzle by bringing the nozzle into contact with the nozzle fixing portion by mounting the nozzle fixing portion on the main body portion so as to be rotatable by a predetermined angle by the hinge structure, It is possible to perform a quick operation, and as a result, the time required for the nozzle-up work can be significantly shortened.

According to the jig for nozzle-up according to the present invention, since the structure for changing the position of the nozzle fixing part is provided, the operator can variously change the position of the nozzle fixing part according to the position of the nozzle to fix, It is also possible to use the nozzle interval in general.

In the foregoing detailed description of the present invention, only specific embodiments thereof have been described. It is to be understood, however, that the invention is not to be limited to the specific forms thereof, which are to be considered as being limited to the specific embodiments, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims. .

That is, the present invention is not limited to the above-described specific embodiment and description, and various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. And such variations are within the scope of protection of the present invention.

10: Mounting face (pressure vessel)
20: Nozzle
100: Jig for nozzle uptake
110:
111: Bonding District
112: slit structure
113: sliding rail
120: nozzle fixing portion
121: Hinge structure
122: nozzle fixing portion
123: Desorption member
124: Extension
130:
131: Handle
132: magnetic force generating member

Claims (12)

A jig (100) for nozzle fitting according to which a nozzle (20) is mounted on a mounting surface (10) to be welded and attached to guide and fix the position of the nozzle (20)
A body portion 110 formed in a structure corresponding to the surface of the attachment target surface 10;
A nozzle fixing part 120 formed at one side of the main body part 110 and having a structure corresponding to the outer diameter of one end of the nozzle 20 to contact the one end of the nozzle 20 to fix the nozzle 20, ); And
A main body fixing part 130 mounted on the main body part 110 and fixing the main body part 110 to the mounting surface 10;
Up jig (100).
The method according to claim 1,
The main body 110 is formed with a coupling hole 111 having a structure corresponding to the main body fixing portion 150,
Wherein the main body fixing part is mounted on a binding hole formed in the main body part and binds the main body part to the mounting surface.
3. The method of claim 2,
At least two coupling holes 111 are formed in the main body 110,
Wherein one of the binding members (111) is a slit structure (112).
3. The method of claim 2,
Wherein the main body fixing portion (130) is a plug structure having an outer diameter corresponding to an inner diameter of the binding means.
5. The method of claim 4,
Wherein a handle (131) is attached to one end of the main body fixing part (130).
3. The method of claim 2,
Wherein a magnetic force generating member (132) is mounted on one side of the main body fixing part (130).
The method according to claim 6,
Wherein the magnetic force generating member (132) is capable of generating or interrupting a magnetic force by a switch operation of a user.
The method according to claim 1,
Wherein the nozzle fixing part (120) is a plane C-shaped structure formed with a radius of curvature corresponding to the outer diameter of the nozzle (20) so as to surround a part of one end of the nozzle (20).
9. The method of claim 8,
Wherein the nozzle fixing portion (120) further comprises a structure for changing the radius of curvature of the C-shaped structure in a plane.
9. The method of claim 8,
Wherein the nozzle fixing part (120) has a thickness of 10 to 50 mm.
The method according to claim 1,
Wherein the nozzle fixing part (120) is coupled to the main body part (110) by a hinge structure (121) so as to be rotatable by a predetermined angle.
The method according to claim 1,
At one end of the nozzle fixing part 120 is formed an extension part 124 extending for a predetermined length so as to be drawn or discharged along a sliding rail formed in the main body part 110,
Wherein a sliding rail (113) is formed in the main body (110) so that the extension part (124) can be slidably inserted or discharged.
KR1020160008281A 2016-01-22 2016-01-22 Fit Up Jig for Nozzle KR101824923B1 (en)

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Application Number Priority Date Filing Date Title
KR1020160008281A KR101824923B1 (en) 2016-01-22 2016-01-22 Fit Up Jig for Nozzle

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KR101824923B1 KR101824923B1 (en) 2018-02-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108838607A (en) * 2018-08-17 2018-11-20 内江恒博机械制造有限公司 A kind of spray head clamping and positioning device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100863560B1 (en) * 2007-05-07 2008-10-14 매그스위치 테크놀로지 코리아 (주) Fixing prop that use switch magnetic
KR101304318B1 (en) * 2013-03-25 2013-09-11 (주)피에이씨 건축사사무소 Protector for welding pipe
KR101354183B1 (en) * 2013-07-18 2014-01-22 정상식 Valve welding assistive devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108838607A (en) * 2018-08-17 2018-11-20 内江恒博机械制造有限公司 A kind of spray head clamping and positioning device
CN108838607B (en) * 2018-08-17 2024-02-20 成都锦胜雾森环保科技有限公司 Shower nozzle clamping positioner

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