CN218582537U - High-strength flange connection structure - Google Patents
High-strength flange connection structure Download PDFInfo
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- CN218582537U CN218582537U CN202121802358.8U CN202121802358U CN218582537U CN 218582537 U CN218582537 U CN 218582537U CN 202121802358 U CN202121802358 U CN 202121802358U CN 218582537 U CN218582537 U CN 218582537U
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Abstract
The utility model relates to a flange technical field specifically is a flange joint structure of high strength, including first flange and second flange, be provided with fixed connection pad between first flange and the second flange, a side of first flange is provided with symmetric distribution's first picture peg and first slot, and the second slot has been seted up to a side of second flange, is provided with the second picture peg on the second flange, and the second picture peg is connected with first slot block. The utility model discloses fastening lead screw on the fixed connection pad passes through fastening nut fixed connection with first flange and second flange board respectively, when whole flange takes place to bend, play certain cushioning effect, guarantee the structural strength of whole flange, first picture peg on the first flange supports the second flange, the second picture peg supports first flange, can effectually prevent that first flange and second flange from taking place deformation, promote the structural strength of whole flange on the whole, promote the life of flange.
Description
Technical Field
The utility model relates to a flange joint structure especially relates to a flange joint structure of high strength, belongs to flange technical field.
Background
Flanges, also called flange flanges or flanges, are parts of the interconnection between shafts, used for the connection between pipe ends; there are also flanges at the inlet and outlet of the equipment for the connection between two equipments, in which bolts and studs are common connection elements, and the flanges are tightly connected by tightening the bolts or nuts to obtain a sufficient pre-tightening force.
Traditional flange all is directly connecting through the bolt and then fixing, in case take place the bending can lead to taking place deformation between two flanges, consequently can't guarantee the structural strength of whole flange promptly, more can't guarantee the leakproofness of whole device, and the life-span of using is shorter moreover.
Chinese utility model patent publication No. CN 212868109U discloses "a high strength flange for high-speed railway", including ring flange, spread groove and mounting hole, the downside intercommunication and the fixedly connected with spread groove of ring flange, the outside of the intermediate tank of ring flange is provided with the inner ring, the outside of inner ring is provided with the outer loop, two first stoppers of upside fixedly connected with of inner ring, two first spacing grooves have been seted up at the inner ring top, six second stoppers of upside fixedly connected with of outer loop, six second spacing grooves have been seted up at the top of outer loop, six mounting holes that run through the ring flange have been seted up to the inside of outer loop. The utility model discloses in, at first, adopt the stable connection structure of high strength, stability when having improved flange mounting connection has improved the joint strength of flange connection and the stability behind the flange connection, secondly, adopts high wear-resisting setting, has improved the abrasion resistance and the toughness of flange, has improved the life of flange, the utility model discloses can not promote the intensity of whole flange structure, can promote stability and nevertheless can't play certain cushioning effect when taking place to bend to the flange, consequently can't satisfy the demand of high strength.
Therefore, it is desirable to improve a high-strength flange connection structure to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flange joint structure of high strength, fastening lead screw on the fixed connection pad passes through fastening nut fixed connection with first flange and second flange board respectively, when whole flange takes place to buckle, play certain cushioning effect, guarantee the structural strength of whole flange, first picture peg on the first flange supports the second flange, the second picture peg supports first flange, can effectually prevent that first flange and second flange from taking place deformation, promote the structural strength of whole flange on the whole, promote the life of flange.
In order to achieve the above object, the utility model discloses a main technical scheme include:
a high-strength flange connection structure comprises a first flange and a second flange, wherein a fixed connection disc is arranged between the first flange and the second flange, a first flange plate is fixedly arranged on the first flange, a plurality of first fixing holes which are uniformly distributed are formed in the first flange plate, a second flange plate is fixedly arranged on the second flange, a plurality of second fixing holes which are uniformly distributed are formed in the second flange plate, a plurality of fastening screw rods which are centrosymmetric are arranged on two side surfaces of the fixed connection disc, and the fastening screw rods respectively penetrate through the first flange plate and the second flange plate and are connected with fastening nuts in a screwing manner;
through the technical scheme, the traditional flanges are directly connected through bolts and then fixed, and once the two flanges are bent, the two flanges are deformed, so that the structural strength of the whole flange cannot be ensured, and the sealing performance of the whole device cannot be ensured;
the two side surfaces of the fixed connecting disc are respectively provided with a plurality of fastening screw rods which are centrosymmetric, the fastening screw rods on the two sides respectively penetrate through a first fixing hole on a first flange plate on the first flange and a second fixing hole on a second flange plate, and the fastening screw rods on the two sides are fastened through fastening nuts after penetrating through the first fixing hole and the second fixing hole, so that a certain buffering effect can be achieved, and when the whole flange is bent, the fixed connecting disc can achieve a certain buffering effect, so that the structural strength of the whole flange can be ensured, and smooth through flow of liquid or gas in a pipeline can be ensured;
preferably, a first sealing disc is arranged between the first flange and the fixed connecting disc, a first screw rod through hole corresponding to the first fixing hole is formed in the first sealing disc, a fastening screw rod sequentially penetrates through the first screw rod through hole and the first fixing hole and extends to the outside of the first fixing hole, a second sealing disc is arranged between the second flange and the fixed connecting disc, a second screw rod through hole corresponding to the second fixing hole is formed in the second sealing disc, and the fastening screw rod sequentially penetrates through the second screw rod through hole and the second fixing hole and extends to the outside of the second fixing hole;
when the fixed connecting disc is connected with the first flange and the second flange, the first sealing disc is arranged in the process that the fastening screw rod is connected with the first fixing hole in the first flange, the fastening screw rod sequentially penetrates through the first screw rod through hole in the first sealing disc and the first fixing hole in the first flange plate, the first sealing disc is arranged in the process that the fastening screw rod is connected with the second fixing hole in the second flange, and the fastening screw rod sequentially penetrates through the second screw rod through hole in the second sealing disc and the second fixing hole in the second flange plate, so that when the first flange and the second flange are inclined, the first sealing disc and the second sealing disc can play a certain buffering role, and the stability of the whole structure is improved;
more preferably, the reinforcing ribs are fixedly arranged in the first sealing disk and the second sealing disk, the reinforcing ribs are of an iron annular net structure, the first sealing disk between the first flange and the fixing connecting disk and the second sealing disk between the second flange and the fixing connecting disk are extruded, the first sealing disk and the second sealing disk can deform under the action of stress, the reinforcing ribs in the first sealing disk and the second sealing disk can play a role in buffering, the first sealing disk and the second sealing disk can be guaranteed not to be damaged, the sealing performance of the whole flange is improved, and meanwhile, the service lives of the first sealing disk and the second sealing disk can be prolonged;
a first inserting plate is symmetrically arranged on one side surface, close to the fixed connecting disc, of the first flange, first inserting grooves are symmetrically arranged on the first flange, the first inserting grooves and the first inserting plates are arranged on the same side surface, a second inserting groove which is connected with the first inserting plate in a clamping mode is arranged on one side surface, close to the fixed connecting disc, of the second flange, second inserting plates are symmetrically arranged on the second flange, and the second inserting plates are connected with the first inserting grooves in a clamping mode;
through the technical scheme, the first plug board and the second plug board are both arc-shaped structures and are arranged in a staggered mode;
one side of first flange is provided with the first picture peg of symmetric distribution, first slot has still been seted up to one side of first picture peg simultaneously, one side of second flange is provided with the second picture peg of symmetric distribution, the second slot has been seted up to one side of second picture peg simultaneously, when first flange and second flange are connected, inside the second slot that the first picture peg on the first flange was inserted, inside the first slot of first flange was inserted to the second picture peg on the second flange, first picture peg and second picture peg are the arc structure, and first picture peg and second picture peg crisscross setting each other, first picture peg on the first flange supports the second flange equivalently, second picture peg on the second flange supports first flange, that is to say, first flange and second flange can support each other, can effectually prevent that first flange and second flange from taking place deformation, promote the structural strength of whole flange on the whole.
Preferably, first positioning pin holes are symmetrically formed in the first flange, the first positioning pin holes are communicated with the first slot, positioning pins are arranged in the first positioning pin holes, the positioning pins penetrate through the first positioning pin holes and are fixedly connected with the second inserting plate, second inserting plate holes which are connected with the positioning pins in a clamping manner are formed in the second inserting plate, second positioning pin holes are symmetrically formed in the second flange, the second positioning pin holes are communicated with the second slot, positioning pins are also arranged in the second positioning pin holes, the positioning pins penetrate through the second positioning pin holes and are fixedly connected with the first inserting plate, and first inserting plate holes which are connected with the positioning pins in a clamping manner are formed in the first inserting plate;
through the technical scheme, when the second plug board is inserted into the first slot, the positioning pin threads on the positioning pin are screwed with the first positioning pin hole on the first flange, and the plug board pin is connected with the second plug board hole on the second plug board in a clamping manner;
when the first plug board is inserted into the second slot, and the positioning pin threads on the positioning pin are screwed with the second positioning pin hole on the second flange, the plug board pin is connected with the first plug board hole on the first plug board in a clamping manner;
therefore, the second inserting plate can be fixed inside the first slot of the first flange through the positioning pin, and the first inserting plate is fixed inside the second slot of the second flange, so that the first flange and the second flange can bear certain tension, and the stability of the whole flange structure is improved.
Preferably, a positioning pin thread is arranged on the positioning pin, a hexagonal groove is formed in one end of the positioning pin thread, an inserting plate pin is fixedly arranged at one end of the positioning pin thread, the positioning pin thread is screwed and connected with the first positioning pin hole or the second positioning pin hole through a thread, and the inserting plate pin is connected with the first inserting plate hole or the second inserting plate hole in a clamping manner;
through above technical scheme, inside the hexagonal groove on inserting the locating pin through the one end of hexagonal edges and corners, through clockwise rotation hexagonal edges and corners messenger's locating pin rotates the inside of first slot or second slot, the picture peg round pin on the locating pin is inside the second picture peg hole of the first picture peg hole of block connection on first picture peg and second picture peg respectively, simple structure, and convenient to use can promote the stability of structure, can promote the convenience of installation again.
Preferably, a convex ring is fixedly arranged at one end of the first flange close to the fixed connecting disc, a convex ring is also arranged at one end of the second flange close to the fixed connecting disc, the convex rings are respectively arranged in the first inserting plate or the second inserting plate, and a small sealing ring is arranged between the two convex rings;
through above technical scheme, the inside of first picture peg and second picture peg is provided with little sealing washer, and first sealed dish and second sealed dish have been cup jointed to the outside of first picture peg and second picture peg, consequently can promote the leakproofness of whole flange.
Preferably, the connection pad through-hole has been seted up to fixed connection pad's inside, first sealed dish through-hole has been seted up to first sealed dish's inside, second sealed dish through-hole has been seted up to second sealed dish's inside, the connection pad through-hole first sealed dish through-hole and second sealed dish through-hole all cup joints first picture peg or on the second picture peg.
Preferably, first flange is kept away from fixed connection pad's one end is provided with the fluorescence subsides, the second flange is kept away from fixed connection pad's one end is also fixed and is provided with the fluorescence subsides, and to the flange of placing externally, the fluorescence subsides of flange both sides can play certain warning effect, also relatively more convenient discerns night simultaneously to avoid causing the unnecessary injury to the pedestrian.
The utility model discloses possess following beneficial effect at least:
1. the fastening screw rod on the fixed connection disc is fixedly connected with the first flange and the second flange plate through the fastening nuts respectively, when the whole flange is bent, a certain buffering effect is achieved, and the structural strength of the whole flange is guaranteed.
2. Inside the second slot that first picture peg on the first flange was pegged graft, second picture peg on the second flange is pegged graft inside the first slot of first flange, first picture peg and second picture peg are the arc structure, and first picture peg and the crisscross setting each other of second picture peg, be equivalent to first picture peg on the first flange and support the second flange, second picture peg on the second flange supports first flange, that is to say that first flange and second flange can support each other, can effectually prevent that first flange and second flange from taking place deformation, promote the structural strength of whole flange on the whole, promote the life of flange.
3. First sealed dish between first flange and the fixed connection pad and second sealed dish between second flange and the fixed connection pad are being extruded in-process, and first sealed dish and second sealed dish can take place deformation under the effect of stress, and first sealed dish and second sealed dish both can play the effect of buffering, can promote the leakproofness of whole flange again.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is an exploded view of the present invention;
fig. 2 is a perspective view of the present invention;
fig. 3 is a partial cross-sectional view of the present invention;
fig. 4 is a cross-sectional view of a first flange of the present invention;
fig. 5 is a perspective view of a second flange of the present invention;
FIG. 6 is a perspective view of the fixing plate of the present invention;
fig. 7 is a perspective view of the positioning pin of the present invention;
fig. 8 is a cross-sectional view of the first seal disk of the present invention.
In the figure, 1-first flange, 101-first insert plate, 102-first insert groove, 103-first flange plate, 104-first fixing hole, 105-first insert plate hole, 106-first positioning pin hole, 2-second flange, 201-second insert plate, 202-second insert groove, 203-second flange plate, 204-second fixing hole, 205-second insert plate hole, 206-second positioning pin hole, 3-fixing connection disc, 301-fastening screw, 302-connection disc through hole, 4-first sealing disc, 401-first screw through hole, 402-first sealing disc through hole, 5-second sealing disc, 501-second screw through hole, 502-second through hole sealing disc, 6-positioning pin, 601-positioning pin thread, 602-insert plate pin, 603-hexagonal groove, 7-fastening nut, 8-convex ring, 9-small sealing ring, 10-fluorescent sticker, 11-reinforcing rib.
Detailed Description
The embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present application can be fully understood and implemented.
As shown in fig. 1 to 8, the high-strength flange connection structure provided in this embodiment includes a first flange 1 and a second flange 2, a fixed connection disc 3 is disposed between the first flange 1 and the second flange 2, a first flange plate 103 is fixedly disposed on the first flange 1, a plurality of first fixing holes 104 uniformly distributed are disposed on the first flange plate 103, a second flange plate 203 is fixedly disposed on the second flange 2, a plurality of second fixing holes 204 uniformly distributed are disposed on the second flange plate 203, a plurality of fastening screws 301 which are centrosymmetric are disposed on both side surfaces of the fixed connection disc 3, and the fastening screws 301 respectively penetrate through the first flange plate 103 and the second flange plate 203 and are screwed with fastening nuts 7;
the traditional flanges are directly connected through bolts and then fixed, and once the two flanges are bent, the two flanges are deformed, so that the structural strength of the whole flange cannot be ensured, and the sealing performance of the whole device cannot be ensured;
the two side surfaces of the fixed connecting disc 3 are respectively provided with a plurality of fastening screw rods 301 which are centrosymmetric, the fastening screw rods 301 at two sides respectively penetrate through a first fixing hole 104 on a first flange plate 103 on the first flange 1 and a second fixing hole 204 on a second flange plate 203, and the fastening screw rods 301 penetrate through the first fixing hole 104 and the second fixing hole 204 and then are fastened through fastening nuts 7, so that a certain buffering effect can be achieved, when the whole flange is bent, the fixed connecting disc 3 can achieve a certain buffering effect, so that the structural strength of the whole flange can be ensured, and smooth through flow of liquid or gas in a pipeline can be ensured;
further, a first sealing disc 4 is arranged between the first flange 1 and the fixing connecting disc 3, a first screw rod through hole 401 corresponding to the first fixing hole 104 is formed in the first sealing disc 4, a fastening screw rod 301 sequentially penetrates through the first screw rod through hole 401 and the first fixing hole 104 and extends to the outside of the first fixing hole 104, a second sealing disc 5 is arranged between the second flange 2 and the fixing connecting disc 3, a second screw rod through hole 501 corresponding to the second fixing hole 204 is formed in the second sealing disc 5, and the fastening screw rod 301 sequentially penetrates through the second screw rod through hole 501 and the second fixing hole 204 and extends to the outside of the second fixing hole 204;
when the fixed connecting disc 3 is connected with the first flange 1 and the second flange 2, the fastening screw rod 301 is provided with a first sealing disc 4 in the process of being connected with a first fixing hole 104 on the first flange 1, the fastening screw rod 301 sequentially penetrates through a first screw rod through hole 401 on the first sealing disc 4 and the first fixing hole 104 on the first flange plate 103, 5 is arranged in the process of being connected with a second fixing hole 204 on the second flange 2, and the fastening screw rod 301 sequentially penetrates through a second screw rod through hole 501 on the second sealing disc 5 and the second fixing hole 204 on the second flange plate 203, so that when the first flange 1 and the second flange 2 are inclined, the first sealing disc 4 and the second sealing disc 5 can play a certain buffering role, and the stability of the whole structure is improved;
furthermore, the reinforcing ribs 11 are fixedly arranged in the first sealing disc 4 and the second sealing disc 5, the reinforcing ribs 11 are of an iron annular net structure, the first sealing disc 4 between the first flange 1 and the fixed connecting disc 3 and the second sealing disc 5 between the second flange 2 and the fixed connecting disc 3 are in an extruded process, the first sealing disc 4 and the second sealing disc 5 can deform under the action of stress, the reinforcing ribs 11 in the first sealing disc 4 and the second sealing disc 5 can play a role in buffering, the first sealing disc 4 and the second sealing disc 5 can be guaranteed not to be damaged, the sealing performance of the whole flange is improved, and meanwhile, the service lives of the first sealing disc 4 and the second sealing disc 5 can also be prolonged;
one side surface of the first flange 1 close to the fixed connecting disc 3 is provided with first inserting plates 101 which are symmetrically distributed, the first flange 1 is provided with first inserting grooves 102 which are symmetrically distributed, the first inserting grooves 102 and the first inserting plates 101 are arranged on the same side surface, one side surface of the second flange 2 close to the fixed connecting disc 3 is provided with second inserting grooves 202 which are clamped and connected with the first inserting plates 101, the second flange 2 is provided with second inserting plates 201 which are symmetrically distributed, and the second inserting plates 201 are clamped and connected with the first inserting grooves 102;
the first inserting plate 101 and the second inserting plate 201 are both arc-shaped structures, and the first inserting plate 101 and the second inserting plate 201 are arranged in a staggered mode;
one side face of the first flange 1 is provided with first plug boards 101 which are symmetrically distributed, one side of each first plug board 101 is also provided with a first slot 102, one side face of each second flange 2 is provided with second plug boards 201 which are symmetrically distributed, one side of each second plug board 201 is provided with a second slot 202, when the first flange 1 is connected with the second flange 2, the first plug boards 101 on the first flange 1 are plugged into the second slots 202 of the second flange 2, the second plug boards 201 on the second flange 2 are plugged into the first slots 102 of the first flange 1, the first plug boards 101 and the second plug boards 201 are both of an arc structure, the first plug boards 101 and the second plug boards 201 are arranged in a staggered mode, the first plug boards 101 on the first flange 1 support the second flange 2, the second plug boards 201 on the second flange 2 support the first flange 1, namely the first flange 1 and the second flange 2 can support each other, the first flange 1 and the second flange 2 can be effectively prevented from deforming, and the structural strength of the whole flange is improved;
meanwhile, first positioning pin holes 106 which are symmetrically distributed are formed in the first flange 1, the first positioning pin holes 106 are communicated with the first slot 102, positioning pins 6 are arranged inside the first positioning pin holes 106, the positioning pins 6 penetrate through the first positioning pin holes 106 and are fixedly connected with the second insert plate 201, second insert plate holes 205 which are connected with the positioning pins 6 in a clamping mode are formed in the second insert plate 201, second positioning pin holes 206 which are symmetrically distributed are formed in the second flange 2, the second positioning pin holes 206 are communicated with the second slot 202, positioning pins 6 are also arranged inside the second positioning pin holes 206, the positioning pins 6 penetrate through the second positioning pin holes 206 and are fixedly connected with the first insert plate 101, and first insert plate holes 105 which are connected with the positioning pins 6 in a clamping mode are formed in the first insert plate 101;
when the second inserting plate 201 is inserted into the first inserting groove 102, when the positioning pin thread 601 on the positioning pin 6 is screwed with the first positioning pin hole 106 on the first flange 1, the inserting plate pin 602 is clamped with the second inserting plate hole 205 on the second inserting plate 201;
when the first inserting plate 101 is inserted into the second inserting groove 202, the inserting plate pin 602 is clamped and connected with the first inserting plate hole 105 on the first inserting plate 101 when the positioning pin thread 601 on the positioning pin 6 is screwed and connected with the second positioning pin hole 206 on the second flange 2;
therefore, the second insert plate 201 can be fixed inside the first slot 102 of the first flange 1 through the positioning pin 6, and the first insert plate 101 is fixed inside the second slot 202 of the second flange 2, so that the first flange 1 and the second flange 2 can bear certain tension, and the stability of the whole flange structure is improved.
In the present embodiment, as shown in fig. 7, a positioning pin thread 601 is provided on the positioning pin 6, a hexagonal groove 603 is formed at one end of the positioning pin thread 601, a board plug pin 602 is fixedly provided at one end of the positioning pin thread 601, the positioning pin thread 601 is screwed with the first positioning pin hole 106 or the second positioning pin hole 206, and the board plug pin 602 is engaged with the first board plug hole 105 or the second board plug hole 205;
inside six edges and grooves 603 on inserting locating pin 6 through the one end of six edges and corners, through clockwise rotation six edges and corners messenger locating pin 6 rotates the inside of first slot 102 or second slot 202, the picture peg round pin 602 on locating pin 6 block respectively connect inside first picture peg 105 on first picture peg 101 and the second picture peg hole 205 of second picture peg 201 inside, simple structure, convenient to use can promote the stability of structure, can promote the convenience of installation again.
In this embodiment, as shown in fig. 5, a convex ring 8 is fixedly disposed at one end of the first flange 1 close to the fixed connection disc 3, a convex ring 8 is also disposed at one end of the second flange 2 close to the fixed connection disc 3, the convex rings 8 are respectively disposed inside the first insertion plate 101 or the second insertion plate 201, and a small sealing ring 9 is disposed between the two convex rings 8;
the small sealing rings 9 are arranged inside the first inserting plate 101 and the second inserting plate 201, and the first sealing disc 4 and the second sealing disc 5 are sleeved outside the first inserting plate 101 and the second inserting plate 201, so that the sealing performance of the whole flange can be improved.
In this embodiment, as shown in fig. 1, the connection disc through hole 302 is provided inside the fixed connection disc 3, the first sealing disc through hole 402 is provided inside the first sealing disc 4, the second sealing disc through hole 502 is provided inside the second sealing disc 5, the connection disc through hole 302, the first sealing disc through hole 402 and the second sealing disc through hole 502 are all sleeved on the first inserting plate 101 or the second inserting plate 201, the first inserting plate 101 or the second inserting plate 201 with the first sealing disc 4 and the second sealing disc 5 external member can be conveniently arranged, the structure is simple, and convenience in installation is improved.
In the embodiment, as shown in fig. 2, a fluorescent sticker 10 is disposed at an end of the first flange 1 away from the fixed connection disc 3, and a fluorescent sticker 10 is also fixedly disposed at an end of the second flange 2 away from the fixed connection disc 3;
for the externally placed flange, the fluorescent sticker 10 on the two sides of the flange can play a certain warning role, and meanwhile, the identification can be conveniently carried out at night, so that unnecessary injuries to pedestrians are avoided.
As shown in fig. 1 to 8, the method for installing a high-strength flange connection structure provided in this embodiment includes the following steps:
s1: firstly, placing a small sealing ring 9 in the first inserting plate 101 or the second inserting plate 201, sleeving a first sealing disc 4 on the first inserting plate 101, and sleeving a second sealing disc 5 on the second inserting plate 201;
s2: then, a fastening screw 301 on one side surface of the fixed connecting disc 3 sequentially penetrates through a first screw through hole 401 on the first sealing disc 4 and a first fixing hole 104 on the first flange plate 103, and a fastening screw 301 on the other side surface of the fixed connecting disc 3 sequentially penetrates through a second screw through hole 501 on the second sealing disc 5 and a second fixing hole 204 on the second flange plate 203;
s3: fixing a fastening nut 7 on the fastening screw rod 301 by using a wrench, so that the first flange 1 and the second flange 2 are fixed on the connecting disc 3;
s4: finally, one end of the hexagonal wrench is inserted into the hexagonal groove 603 of the positioning pin 6, so that the board insertion pin 602 of the positioning pin 6 is engaged with the first board insertion hole 105 or the second board insertion hole 205.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in articles of commerce or systems in which the element is comprised.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, 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 (9)
1. A high-strength flange connection structure comprises a first flange (1) and a second flange (2), and is characterized in that a fixed connection disc (3) is arranged between the first flange (1) and the second flange (2), a first flange plate (103) is fixedly arranged on the first flange (1), a plurality of first fixing holes (104) which are uniformly distributed are formed in the first flange plate (103), a second flange plate (203) is fixedly arranged on the second flange (2), a plurality of second fixing holes (204) which are uniformly distributed are formed in the second flange plate (203), a plurality of fastening screw rods (301) which are centrosymmetric are arranged on two side faces of the fixed connection disc (3), and the fastening screw rods (301) respectively penetrate through the first flange plate (103) and the second flange plate (203) and are connected with fastening nuts (7) in a screwing manner;
first flange (1) is close to a side of fixed connection pad (3) is provided with first picture peg (101) of symmetric distribution, set up first slot (102) of symmetric distribution on first flange (1), first slot (102) with first picture peg (101) are in same side, second flange (2) are close to a side of fixed connection pad (3) set up with second slot (202) that first picture peg (101) block is connected, be provided with second picture peg (201) of symmetric distribution on second flange (2), second picture peg (201) with first slot (102) block is connected.
2. A high-strength flange connection structure according to claim 1, wherein: first flange (1) with be provided with first sealed dish (4) between fixed connection dish (3), seted up on first sealed dish (4) with first fixed orifices (104) corresponding first lead screw through-hole (401), fastening lead screw (301) run through in proper order first lead screw through-hole (401) and first fixed orifices (104) extend to the outside of first fixed orifices (104), second flange (2) with be provided with second sealed dish (5) between fixed connection dish (3), seted up on second sealed dish (5) with second fixed orifices (204) corresponding second lead screw through-hole (501), fastening lead screw (301) run through in proper order second lead screw through-hole (501) with second fixed orifices (204) extend to the outside of second fixed orifices (204).
3. A high-strength flange connection structure according to claim 1, wherein: set up first locating pin hole (106) of symmetric distribution on first flange (1), first locating pin hole (106) with first slot (102) are linked together, the inside of first locating pin hole (106) is provided with locating pin (6), locating pin (6) run through first locating pin hole (106) and with second picture peg (201) fixed connection, set up on second picture peg (201) with second picture peg hole (205) that locating pin (6) block is connected, set up second locating pin hole (206) of symmetric distribution on second flange (2), second locating pin hole (206) with second slot (202) are linked together, the inside of second locating pin hole (206) also is provided with locating pin (6), locating pin (6) run through second locating pin hole (206) and with first picture peg (101) fixed connection, set up on first picture peg (101) with first picture peg hole (105) that locating pin (6) block is connected.
4. A high-strength flange connection structure according to claim 3, wherein: be provided with locating pin screw thread (601) on locating pin (6), hexagonal edge groove (603) have been seted up to the one end of locating pin screw thread (601), the fixed picture peg round pin (602) that is provided with of one end of locating pin screw thread (601), locating pin screw thread (601) with first locating pin hole (106) or second locating pin hole (206) close the connection through the screw thread soon, picture peg round pin (602) with first picture peg hole (105) or second picture peg hole (205) block is connected.
5. A high-strength flange connection structure according to claim 1, wherein: first flange (1) is close to the fixed protruding circle (8) that is provided with in one end of fixed connection pad (3), second flange (2) are close to the one end of fixed connection pad (3) also is provided with protruding circle (8), protruding circle (8) set up respectively first picture peg (101) or the inside of second picture peg (201), two be provided with little sealing washer (9) between protruding circle (8).
6. A high-strength flange connection structure according to claim 2, wherein: connection pad through-hole (302) has been seted up to the inside of fixed connection pad (3), first sealed dish through-hole (402) have been seted up to the inside of first sealed dish (4), second sealed dish through-hole (502) have been seted up to the inside of second sealed dish (5), connection pad through-hole (302) first sealed dish through-hole (402) and second sealed dish through-hole (502) all cup joint first picture peg (101) or on second picture peg (201).
7. A high-strength flange connection structure according to claim 1, wherein: the first inserting plate (101) and the second inserting plate (201) are both arc-shaped structures, and the first inserting plate (101) and the second inserting plate (201) are arranged in a staggered mode.
8. A high-strength flange connection structure according to claim 1, wherein: the fluorescent sticker (10) is arranged at one end, far away from the fixed connecting disc (3), of the first flange (1), and the fluorescent sticker (10) is also fixedly arranged at one end, far away from the fixed connecting disc (3), of the second flange (2).
9. A high-strength flange connection structure according to claim 6, wherein: first sealed dish (4) with the inside of second sealed dish (5) all is fixed and is provided with strengthening rib (11), strengthening rib (11) are the annular network structure of iron system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121802358.8U CN218582537U (en) | 2021-08-04 | 2021-08-04 | High-strength flange connection structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121802358.8U CN218582537U (en) | 2021-08-04 | 2021-08-04 | High-strength flange connection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418066A (en) * | 2021-08-04 | 2021-09-21 | 张家港华日法兰有限公司 | High-strength flange connection structure and mounting method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418066A (en) * | 2021-08-04 | 2021-09-21 | 张家港华日法兰有限公司 | High-strength flange connection structure and mounting method thereof |
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