CN212361147U - Manhole structure of vertical hanging cover - Google Patents

Abstract

The utility model relates to a vertical hanging cover manhole structure, include: manhole takeover, head, first flange and second flange, the internal face of manhole takeover, head, first flange and second flange is equipped with thermal-insulated pouring layer and is used for the anchor nail on fixed thermal-insulated pouring layer, the welding of the inner wall department of first flange has first fender ring, the welding of the inner wall department of second flange has the second to keep off the ring, be connected through perpendicular hanging cover mechanism between head and the manhole takeover, first fender ring is the same with second fender ring structure, all includes: the annular main part, the annular main part is equipped with inward flange and outward flange, the annular main part is equipped with a plurality of semicircular notch from the outward flange to the concave edge direction of inward flange, the annular main part is equipped with a plurality of channels from the inward flange to the outward flange direction is concave, the channel includes direct section and round hole section to the messenger keeps off the ability that the ring has better correspondence deformation when being heated, can avoid keeping off the welding seam between ring and the flange and produce the crackle.

Description

Manhole structure of vertical hanging cover

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of chemical machinery, especially, relate to a vertical hanging cover manhole structure.

[ background of the invention ]

The reaction vessel is a vessel for completing physical reaction and chemical reaction of a medium, and is widely used as a pressure-bearing device in industrial production, particularly in the industries of chemical engineering, medicine, chemical fertilizer, refining and the like due to process requirements. In order to solve the technical problem, a person skilled in the art thinks of providing a thermal insulation layer at the manhole, so that heat is not transferred to the shell through the manhole, and thus there is a large choice space for selecting the material of the shell, and the manhole structure in the prior art generally includes: manhole takeover, head, take over looks welded first flange and with the manhole and weld the second flange mutually, be connected through the mounting between first flange and the second flange, the internal face of manhole takeover, head, first flange and second flange all pours a mould and has thermal-insulated pouring layer, the inner wall department of first flange and second flange all welds and has the fender ring, and this fender ring can block the terminal surface on thermal-insulated pouring layer, prevents that the thermal-insulated pouring layer from dropping when the head is opened, and the defect of manhole structure among the prior art lies in: the baffle ring is easy to deform after being subjected to high temperature, and the deformation of the baffle ring can cause cracks to be generated at the welding position of the baffle ring and the flange, so that the baffle ring and the heat insulation pouring layer fall off.

There is therefore a need to provide a vertical drop lid manhole structure which addresses the above technical problems.

[ Utility model ] content

In order to solve the technical problem, an object of the present invention is to provide a manhole structure for vertical hanging cover, which can prevent the welded joint between a retaining ring and a flange from cracking.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vertical drop lid manhole structure comprising: manhole takeover, head, take over looks welded first flange and with the manhole welded second flange mutually, be connected through the mounting between first flange and the second flange, the internal face that manhole takeover, head, first flange and second flange is equipped with thermal-insulated pouring layer and is used for the anchor nail on fixed thermal-insulated pouring layer, the welding of inner wall department of first flange has first fender ring, the welding of inner wall department of second flange has the second to keep off the ring, first fender ring and second keep off and be equipped with thermal insulation material between the ring, be connected through perpendicular hanging cover mechanism between head and the takeover, first fender ring is the same with second fender manhole ring structure, all includes: the annular main part, the annular main part is equipped with inward flange and outward flange, the annular main part is equipped with the semi-circular breach of a plurality of from the outward flange to the concave edge direction of inward flange, the annular main part is equipped with a plurality of channel from the inward flange to the concave edge direction of outward flange, the channel includes direct section and round hole section.

Preferably, a vertical drop cover manhole structure in the present invention further provides: the circular hole section is arranged at the free tail end of the straight line section.

Preferably, a vertical drop cover manhole structure in the present invention further provides: the plurality of semicircular gaps are evenly distributed along the circumferential direction of the annular main body part, and the plurality of channels are evenly distributed along the circumferential direction of the annular main body part.

Preferably, a vertical drop cover manhole structure in the present invention further provides: perpendicular hanging cover mechanism is including propping muscle, davit, bottom plate and lower backup pad, prop muscle and head and weld mutually, the bottom plate takes over with the manhole and welds mutually, the backup pad welds in the top of bottom plate down, the free end that props the muscle is equipped with the double-screw bolt, the upper end of davit is equipped with oval fluting, the double-screw bolt passes the oval fluting of davit and hangs through nut and gasket and establishes on the davit, the lower extreme of davit is acceptd in lower backup pad and is supported on the bottom plate, the davit can rotate for lower backup pad.

Preferably, a vertical drop cover manhole structure in the present invention further provides: the interlude of davit supports on the layer board, the below of layer board is equipped with the fagging, layer board and fagging all weld on the manhole is taken over.

Preferably, a vertical drop cover manhole structure in the present invention further provides: the lower supporting plate is arranged in a tubular shape.

Preferably, a vertical drop cover manhole structure in the present invention further provides: the heat insulating material is a ceramic fiber rope.

Preferably, a vertical drop cover manhole structure in the present invention further provides: the fixing piece is a stud, a nut and a winding gasket.

Preferably, a vertical drop cover manhole structure in the present invention further provides: the suspension posts are arranged in an inverted L shape.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a vertical hanging cover manhole structure sets up the semi-circular breach of a plurality of through the outward flange department that keeps off the ring, is equipped with the channel that a plurality of comprises straightway and round hole section through the interior edge department that keeps off the ring to the messenger keeps off the ring and has better ability of answering the deformation when being heated, thereby can avoid keeping off the welding seam between ring and the flange and produce the crackle, has improved the joint strength between fender ring and the flange greatly, and then avoids thermal-insulated pouring layer to drop.

[ description of the drawings ]

Fig. 1 is a schematic view of the manhole structure of the vertical hanging cover of the present invention.

Fig. 2 is a schematic top view of the manhole structure of the vertical hanging cover of the present invention.

Fig. 3 is a schematic structural view of the first baffle ring of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

In fig. 1 to 4: 1. the manhole connecting pipe comprises a manhole connecting pipe body, 2, a sealing head, 3, a first flange, 4, a second flange, 5, a fixing piece, 6, an anchoring nail, 7, a first retaining ring, 70, an annular main body part, 71, an inner edge, 72, an outer edge, 73, a semicircular notch, 74, a channel, 740, a direct section, 741, a circular hole section, 8, a second retaining ring, 80, a heat insulating material, 9, a vertical hanging cover mechanism, 90, a supporting rib, 91, a hanging column, 910, an oval groove, 92, a bottom plate, 93, a lower supporting plate, 94, a stud, 95, a nut, 96, a gasket, 97, an upper supporting plate, 98 and an upper supporting plate.

[ detailed description ] embodiments

A vertical drop cover manhole structure of the present invention is described in further detail below with reference to specific embodiments.

Referring to fig. 1 and 2, a manhole structure of a vertical drop cover includes: 1, head 2 are taken over to the manhole, take over 1 welded first flange 3 and 2 welded second flanges 4 mutually with the manhole, 1 is taken over to the manhole and is welded mutually with reaction vessel's casing, be connected through mounting 5 between first flange 3 and the second flange 4, in this embodiment, mounting 5 is double-screw bolt, nut and winding gasket. The inner wall surfaces of the manhole connecting pipe 1, the end enclosure 2, the first flange 3 and the second flange 4 are provided with a heat insulation pouring layer (not shown) and anchoring nails 6 for fixing the heat insulation pouring layer.

The inner wall of the first flange 3 is welded with a first retaining ring 7, the inner wall of the second flange 4 is welded with a second retaining ring 8, a heat insulating material 80 is arranged between the first retaining ring 7 and the second retaining ring 8, and in the embodiment, the heat insulating material 80 is a ceramic fiber rope. The utility model discloses a manhole cover structure, including the perpendicular hanging cover mechanism 9, perpendicular hanging cover mechanism 9 is connected through perpendicular hanging cover mechanism 9 between 1, perpendicular hanging cover mechanism 9 is including propping muscle 90, davit 91, bottom plate 92 and lower backup pad 93, prop muscle 90 and head 2 and weld mutually, davit 91 is the setting of falling L type, 1 looks welding is taken over with the manhole to bottom plate 92, backup pad 93 welds in bottom plate 92's top down, the free end that props muscle 90 is equipped with double-screw bolt 94, the upper end of davit 91 is equipped with oval fluting 910, double-screw bolt 94 passes davit 91's oval fluting 910 and hangs through nut 95 and gasket 96 and establishes on davit 91, the lower extreme of davit 91 is acceptd in lower backup pad 93 and is supported on bottom plate 92, lower backup pad 93 is the tubulose setting, davit 91 can rotate for lower backup pad 93. The interlude of davit 91 supports on the layer 97, the below of layer 97 is equipped with upper supporting plate 98, layer 97 and upper supporting plate 98 all weld on manhole takeover 1.

Referring to fig. 3 and 4, the first baffle ring 7 includes: the annular main body part 70 is provided with an inner edge 71 and an outer edge 72, the annular main body part 70 is provided with a plurality of semicircular gaps 73 from the outer edge 72 to the inner edge 71 in a concave mode, the plurality of semicircular gaps 73 are evenly distributed along the circumferential direction of the annular main body part 70, the annular main body part 70 is provided with a plurality of channels 74 from the inner edge 71 to the outer edge 72 in a concave mode, and the plurality of channels 74 are evenly distributed along the circumferential direction of the annular main body part 70. The slot 74 includes a straight section 740 and a circular hole section 741, and the circular hole section 741 is disposed at a free end of the straight section 740. The structure of the second baffle ring 8 is the same as that of the first baffle ring 7.

The utility model discloses well vertical drop cover manhole structure's theory of operation does: when the manhole needs to be opened, the fixing pieces 5 on the first flange 3 and the second flange 4 are unscrewed, then the end socket 2 is opened, and in the process of opening the end socket 2, the suspension posts 91 rotate relative to the lower support plate 93, and the support ribs 90 can rotate relative to the suspension posts 91.

To sum up, the utility model provides a vertical hanging cover manhole structure sets up the semi-circular breach of a plurality of through the outward flange department that keeps off the ring, is equipped with the channel that a plurality of comprises straightway and round hole section through the interior edge department that keeps off the ring to the messenger keeps off the ring and has better ability to the deformation of answering when being heated, thereby can avoid keeping off the welding seam between ring and the flange and produce the crackle, has improved the joint strength who keeps off between ring and the flange greatly, and then avoids thermal-insulated pouring layer to drop.

The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.

Claims (9)

1. A vertical drop lid manhole structure comprising: manhole takeover, head, take over looks welded first flange and with the manhole welded second flange mutually, be connected through the mounting between first flange and the second flange, the internal face that manhole takeover, head, first flange and second flange is equipped with thermal-insulated pouring layer and is used for the anchor nail on fixed thermal-insulated pouring layer, the welding of inner wall department of first flange has first fender ring, the welding of inner wall department of second flange has the second to keep off the ring, first fender ring and second keep off and are equipped with thermal insulation material between the ring, be connected its characterized in that through hanging perpendicularly between head and the takeover manhole cover mechanism: first fender ring is the same with second fender ring structure, all includes: the annular main part, the annular main part is equipped with inward flange and outward flange, the annular main part is equipped with the semi-circular breach of a plurality of from the outward flange to the concave edge direction of inward flange, the annular main part is equipped with a plurality of channel from the inward flange to the concave edge direction of outward flange, the channel includes direct section and round hole section.

2. A vertical drop lid manhole structure as claimed in claim 1, wherein: the circular hole section is arranged at the free tail end of the straight line section.

3. A vertical drop lid manhole structure as claimed in claim 1, wherein: the plurality of semicircular gaps are evenly distributed along the circumferential direction of the annular main body part, and the plurality of channels are evenly distributed along the circumferential direction of the annular main body part.

4. A vertical drop lid manhole structure as claimed in claim 1, wherein: perpendicular hanging cover mechanism is including propping muscle, davit, bottom plate and lower backup pad, prop muscle and head and weld mutually, the bottom plate takes over with the manhole and welds mutually, the backup pad welds in the top of bottom plate down, the free end that props the muscle is equipped with the double-screw bolt, the upper end of davit is equipped with oval fluting, the double-screw bolt passes the oval fluting of davit and hangs through nut and gasket and establishes on the davit, the lower extreme of davit is acceptd in lower backup pad and is supported on the bottom plate, the davit can rotate for lower backup pad.

5. A manhole structure of a vertical drop cover as claimed in claim 4, wherein: the interlude of davit supports on the layer board, the below of layer board is equipped with the fagging, layer board and fagging all weld on the manhole is taken over.

6. A manhole structure of a vertical drop cover as claimed in claim 4, wherein: the lower supporting plate is arranged in a tubular shape.

7. A vertical drop lid manhole structure as claimed in claim 1, wherein: the heat insulating material is a ceramic fiber rope.

8. A vertical drop lid manhole structure as claimed in claim 1, wherein: the fixing piece is a stud, a nut and a winding gasket.

9. A manhole structure of a vertical drop cover as claimed in claim 4, wherein: the suspension posts are arranged in an inverted L shape.

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