CN210476044U - Annular manhole cover forming jig - Google Patents

Annular manhole cover forming jig Download PDF

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Publication number
CN210476044U
CN210476044U CN201920826807.9U CN201920826807U CN210476044U CN 210476044 U CN210476044 U CN 210476044U CN 201920826807 U CN201920826807 U CN 201920826807U CN 210476044 U CN210476044 U CN 210476044U
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China
Prior art keywords
annular
manhole cover
supporting table
limiting groove
welding
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CN201920826807.9U
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Chinese (zh)
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林俊
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Xiamen Meichi Auto Parts Industrial Co ltd
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Xiamen Meichi Auto Parts Industrial Co ltd
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Abstract

The utility model relates to an annular manhole cover forming jig, which is used for welding and splicing a plurality of arc manhole covers; the jig comprises a frame body, a supporting table, a clamping piece and a positioning assembly; the supporting table is in running fit relative to the frame body, and the positioning after overturning is formed through the positioning assembly; the supporting table is also provided with a first annular limiting groove for placing the arc manhole cover, and a welding position penetrating through the supporting table is arranged at the position of the first annular limiting groove; the clamping piece is arranged on the supporting table and used for detachably fixing each arc manhole cover in the first annular limiting groove; the utility model provides an annular manhole cover shaping tool, its simple structure, reasonable in design and easy realization place a plurality of annular manhole covers in the tool to the preparation of whole annular manhole cover is accomplished to the mode of splice welding, the problem that material cost is high, area is big when solving current manhole cover preparation.

Description

Annular manhole cover forming jig
Technical Field
The utility model relates to a manhole cover manufacturing industry especially is relevant with the fashioned tool of annular manhole cover preparation on car or the steamer.
Background
As is well known, openings for ventilation and escape are formed in the tops of a plurality of large buses, and an opening is formed in a deck on a ship (yacht) for personnel to go from a cockpit to the deck; an annular manhole cover is required to be designed at the opening to be matched with the cover body to seal the opening;
the existing manhole cover forming mode is to perform linear cutting on a complete plate to obtain a complete annular manhole cover, but the mode has the defects of high material consumption and production cost, and after the complete plate is switched, the residual material cannot be utilized and can only be used as waste material, so that the material is greatly wasted; in addition, the existing mode needs a large manufacturing space, each sheet of plate is too large and is placed on a linear cutting machine, the working stroke of the linear cutting machine is also large, otherwise, the whole annular manhole cover cannot be cut, and therefore production equipment and occupied area are large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem in the current, provide an annular manhole cover forming jig, its simple structure, reasonable in design and easy realization place a plurality of annular manhole covers in the tool to whole annular manhole cover preparation is accomplished to the mode of tailor-welding, the material cost when solving current manhole cover preparation is high, area is big problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an annular manhole cover forming jig is used for welding and splicing a plurality of arc manhole covers; the jig comprises a frame body, a supporting table, a clamping piece and a positioning assembly; the supporting table is in running fit relative to the frame body, and the positioning after overturning is formed through the positioning assembly; the supporting table is also provided with a first annular limiting groove for placing the arc manhole cover, and a welding position penetrating through the supporting table is arranged at the position of the first annular limiting groove; the clamping piece is arranged on the supporting table and used for detachably fixing each arc manhole cover in the first annular limiting groove.
Furthermore, the positioning assembly comprises a movable push rod and a positioning hole; the movable push rod is arranged on the frame body; the positioning hole is arranged on the supporting table; and the movable push rod is pushed to move towards the supporting table, and the movable push rod is partially inserted into the positioning hole, so that the supporting table is positioned after being overturned relative to the frame body.
Further, first annular spacing groove just corresponds welding position department and is provided with the portion of stepping down that is less than the supporting bench upper surface, should step down the portion and extend towards the supporting bench outer peripheral edges.
Furthermore, a second annular limiting groove is also formed in the supporting table; the second annular limiting groove is concentric corresponding to the first annular limiting groove and is arranged on the other side of the clamping piece in an inward offset mode; the clamping piece is used for pressing and abutting against the arc-shaped manhole cover placed in the second annular limiting groove.
Furthermore, the frame body comprises two support seats, a rotating rod and an inserting seat, and the two support seats are vertically arranged on the ground or a workbench; two ends of the rotating rod are respectively arranged on the two supports and are rotatably connected with the supporting table; the inserting seat is arranged on the side part of the support and used for the movable push rod to be connected.
Further, the clamping piece is a quick clamp.
Technical scheme for prior art, the beneficial effect who gains is:
(1) the utility model provides an annular manhole cover forming jig, its simple structure, reasonable in design and easy realization place a plurality of annular manhole covers in the tool, accomplish the preparation of whole annular manhole cover with the mode of splice welding, the material cost is high, area is big when solving current manhole cover preparation problem;
(2) the utility model uses the tailor-welding method, so that the annular manhole cover with more than 3 times of the original plate with the same area can be manufactured; in addition, the novel jig is used for assembling and welding, the forming precision is guaranteed, meanwhile, the rapid tailor-welding is realized, the structure is more compact, and the manufacturing cost is lower;
(3) the fixture adopted by the utility model can lead the welder to stand or sit for operation, thereby reducing the labor intensity and reducing the occupied area; moreover, the novel positioning device realizes positioning after overturning by utilizing the positioning assembly, realizes one-time assembly after the supporting table and the clamping piece are assembled, can finish double-side welding, and has high precision after molding;
(4) the novel clamping device adopts the rapid clamp as the clamping piece, and after the arc manhole cover is arranged on the annular limiting groove of the supporting table, rapid clamping can be realized, and the clamping efficiency is improved;
(5) the utility model is also provided with a position-giving part, so that the welding position part is exposed outside in the welding process, the welding is not blocked or hindered by the limiting groove, the welding treatment can be carried out on the corners, and the welding quality is improved;
(6) the utility model discloses still set up the second ring type spacing groove, can realize that a supporting station accomplishes two kind at least specifications manhole cover weld forming, save various specification manhole cover tool cost of manufacture.
(7) Support body simple structure easily realize, area is little.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic perspective exploded view of the novel annular manhole cover forming jig;
fig. 2 is a schematic perspective view of the annular manhole cover forming jig according to the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 and 2, an annular manhole cover forming jig is used for welding and splicing a plurality of arc manhole covers into an annular manhole cover;
the jig mainly comprises the following components: the device comprises a frame body 1, a supporting table 2, a clamping piece 3 and a positioning assembly 4;
the frame body 1 comprises two support bases 11, a rotating rod 12 and an inserting seat 13; the two supports 11 are vertically arranged on the ground or a workbench, and the support 11 is vertically arranged on the ground for the example of the novel structure; the two ends of the rotating rod 12 are respectively disposed on the two supports 11 and are rotatably connected to the supporting platform 2, so that the supporting platform 2 fixed on the rotating rod 12 is turned over relative to the supports 11, and it should be noted that the rotating rod 12 may also be a circular protrusion formed on two sides of the supporting platform 2; the inserting seat 13 is arranged on the side part of the support 11 and is used for the movable push rod 41 of the positioning component 4 to be connected;
the welding device comprises a supporting table 2, a first annular limiting groove 21 and a second annular limiting groove, wherein the first annular limiting groove 21 is formed in the supporting table, a plurality of arc manhole covers are placed on the first annular limiting groove, the arc manhole covers are cut after drawing and typesetting, a welding groove is formed in a welding position after being cut into specification and size, the welding groove 5 is arranged to guarantee the thickness of the welding position, and the welding precision is guaranteed while the strength after welding can be kept; the welding position 22 penetrating through the supporting table 2 is arranged at the position of the first annular limiting groove 21, so that a worker can not be blocked when welding the back of the arc manhole cover;
in order to enable the welding position 22 to be exposed outside in the welding process, welding of a welder is not blocked or hindered due to the annular limiting groove, welding processing can be carried out on corners, and welding quality is improved, therefore, a receding part 23 lower than the upper surface of the supporting table 2 is arranged at the first annular limiting groove 21 of the supporting table 2 and the position corresponding to the welding position 22, the receding part 23 extends towards the outer periphery of the supporting table 2, in this way, a welding rod can penetrate into a welding groove 5 formed between the two arc manhole covers, the welding part is more and more comprehensive, and the strength and the stability of the welded annular manhole cover are better;
the clamping piece 3 is arranged on the supporting table 2 and is used for detachably fixing each arc manhole cover in the first annular limiting groove 21; the novel clamping device takes the rapid clamp as the clamping piece 3 to achieve the effect of rapid clamping;
a positioning assembly 4 for positioning the support table 2 after being turned over relative to the support 11; the positioning assembly 4 comprises a movable push rod 41 and a positioning hole 42; the movable push rod 41 is arranged on the frame body 1; the positioning hole 42 is arranged on the supporting table 2; the movable push rod 41 is pushed to displace toward the support table 2, and part of the movable push rod 41 is inserted into the positioning hole 42, so that the support table 2 is positioned after being turned over relative to the frame body 1.
When in actual manufacturing, firstly, the arc manhole covers are typeset through drawing software, and arc manhole covers 6 with a plurality of sizes are also cut, compared with the existing mode of forming the annular manhole cover, the novel plate can be utilized to the largest extent, and the effect of reducing waste materials is achieved; secondly, the butt joint position of the cut arc manhole cover 6 is polished into a triangular welding groove 5, so that the welding area is larger, and the strength after welding is better; thirdly, the arc manhole covers 6 are respectively placed in the first annular limiting grooves 21 of the supporting platform 2, and are clamped by using a quick clamp, so that the arc manhole covers 6 are fixed and connected into a complete ring to form an annular manhole cover; finally, welding the welding groove 5 by a welder to weld and form the annular manhole cover, and completing the welding on the annular manhole cover at the moment; a welder draws out the movable push rod 41 originally inserted into the positioning hole 42 in a direction away from the supporting table 2, the supporting table 2 can rotate 180 degrees relative to the support 11 (namely, the lower surface of the supporting table 2 is turned upwards), and then pushes the movable push rod 41 again to push the movable push rod into the positioning hole 42 or the bottom surface of the supporting table 2, it should be noted that the arrangement of the movable push rod 41 can be not limited, and only needs to push the lower surface of the supporting table 2 to form a support, and the movable push rod cannot rotate in the welding process; after the complete overturning, the welding rod extends into the welding position 22 to continuously weld the welding grooves 5 of the two arc-shaped manhole covers 6, and the whole annular manhole cover can be welded by clamping once;
in order to realize that one supporting table 2 can be welded with annular manhole covers with various specifications, a second annular limiting groove 24 is also arranged on the supporting table 2; the second annular limiting groove 24 is concentrically arranged corresponding to the first annular limiting groove 21 and is arranged at the other side of the clamping piece 3 in an inward offset manner; the arc manhole cover 6 positioned on the second annular manhole cover can be clamped quickly by additionally arranging the clamping piece 3, and the clamping piece 3 for clamping the first annular limiting groove 21 can be clamped only by setting the original clamping piece 3 to be rotatable, so that the effect of one-piece multi-clamping is realized, and the cost is saved.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (6)

1. An annular manhole cover forming jig is used for welding and splicing a plurality of arc manhole covers; the method is characterized in that: the jig comprises a frame body, a supporting table, a clamping piece and a positioning assembly; the supporting table is in running fit relative to the frame body, and the positioning after overturning is formed through the positioning assembly; the supporting table is also provided with a first annular limiting groove for placing the arc manhole cover, and a welding position penetrating through the supporting table is arranged at the position of the first annular limiting groove; the clamping piece is arranged on the supporting table and used for detachably fixing each arc manhole cover in the first annular limiting groove.
2. The annular manhole cover forming jig of claim 1, wherein: the positioning component comprises a movable push rod and a positioning hole; the movable push rod is arranged on the frame body; the positioning hole is arranged on the supporting table; and the movable push rod is pushed to move towards the supporting table, and the movable push rod is partially inserted into the positioning hole, so that the supporting table is positioned after being overturned relative to the frame body.
3. The annular manhole cover forming jig of claim 2, wherein: first annular spacing groove just corresponds welding position department and is provided with the portion of stepping down that is less than the supporting bench upper surface, should step down the portion and extend towards the supporting bench outer peripheral edges.
4. The annular manhole cover forming jig of claim 1, 2 or 3, wherein: a second annular limiting groove is also formed in the supporting table; the second annular limiting groove is concentric corresponding to the first annular limiting groove and is arranged on the other side of the clamping piece in an inward offset mode; the clamping piece is used for pressing and abutting against the arc-shaped manhole cover placed in the second annular limiting groove.
5. The annular manhole cover forming jig of claim 2, wherein: the frame body comprises two supports, a rotating rod and an inserting seat, and the two supports are vertically arranged on the ground or a workbench; two ends of the rotating rod are respectively arranged on the two supports and are rotatably connected with the supporting table; the inserting seat is arranged on the side part of the support and used for the movable push rod to be connected.
6. The annular manhole cover forming jig of claim 1, wherein: the clamping piece is a quick clamp.
CN201920826807.9U 2019-06-03 2019-06-03 Annular manhole cover forming jig Active CN210476044U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920826807.9U CN210476044U (en) 2019-06-03 2019-06-03 Annular manhole cover forming jig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920826807.9U CN210476044U (en) 2019-06-03 2019-06-03 Annular manhole cover forming jig

Publications (1)

Publication Number Publication Date
CN210476044U true CN210476044U (en) 2020-05-08

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ID=70512784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920826807.9U Active CN210476044U (en) 2019-06-03 2019-06-03 Annular manhole cover forming jig

Country Status (1)

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CN (1) CN210476044U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116329754A (en) * 2023-05-31 2023-06-27 无锡汉神电气股份有限公司 Converging ring welding device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116329754A (en) * 2023-05-31 2023-06-27 无锡汉神电气股份有限公司 Converging ring welding device
CN116329754B (en) * 2023-05-31 2023-08-29 无锡汉神电气股份有限公司 Converging ring welding device

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