CN218821876U

CN218821876U - Tube plate fastening device of heat exchanger

Info

Publication number: CN218821876U
Application number: CN202221872071.7U
Authority: CN
Inventors: 何灿灿; 陈康; 黄治旺
Original assignee: Daye Shouxin Machinery Manufacturing Co ltd
Current assignee: Daye Shouxin Machinery Manufacturing Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-04-07
Anticipated expiration: 2032-07-15

Abstract

The utility model relates to a heat exchanger technical field's a tube sheet fastener of heat exchanger, including casing, end cover, the casing left end is provided with left tube sheet, the end cover right-hand member is provided with right tube sheet, right tube sheet right side wall is provided with the spacing plug of round, through pegging graft the spacing plug of end cover right-hand member right tube sheet right side wall in the spacing ring inslot portion of casing left end left tube sheet left side wall, and seal through seal ring, left chuck and right chuck joint through fastening mechanism are inside left spacing recess and right spacing recess, start double-shaft motor and drive the threaded rod and rotate, because left slider and right slider move to opposite direction, and then left chuck and right chuck carry out the fixed clamp to left tube sheet and right tube sheet, the installation is simple, it is convenient to dismantle, and fastening mechanism and heat exchanger components of a whole that can function independently design, later stage fastening mechanism damages, direct change fastening mechanism can, can not influence the use of heat exchanger, the maintenance cost in later stage is lower.

Description

Tube plate fastening device of heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field specifically is a tube sheet fastener of heat exchanger.

Background

The heat exchanger is an energy-saving device for transferring heat between materials between two or more than two fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to enable the temperature of the fluid to reach the index specified by the flow so as to meet the requirements of process conditions, and is also one of main devices for improving the energy utilization rate.

At present, the tube plate between the shell of the heat exchanger and the end cover is provided with a threaded hole through the tube carrying plate, then the bolt is fixed, the structural installation is complex, the threaded hole and the heat exchanger are integrally designed, the installation or the disassembly process is carried out, if the threaded hole is damaged, the heat exchanger cannot be fastened and sealed, the repair cannot be carried out, the whole heat exchanger is directly scrapped, and the design later-stage maintenance use cost is higher.

Based on this, the utility model designs a tube sheet fastener of heat exchanger to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tube sheet fastener of heat exchanger to the tube sheet that proposes between present heat exchanger casing and the end cover among the above-mentioned background art is all through carrying on the tube sheet and seting up the screw hole, then carry out the bolt fastening, and this structural installation is loaded down with trivial details, and screw hole and the integrative design of heat exchanger are at the installation or are dismantled the in-process, if the screw hole damages, lead to the heat exchanger can't fasten sealedly, and can't restore, directly lead to whole heat exchanger to scrap, this design later stage dimension guarantor use cost is higher problem. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tube sheet fastener of heat exchanger, includes casing, end cover, the casing left end is provided with left tube sheet, the end cover right-hand member is provided with right tube sheet, right tube sheet right side wall is provided with the spacing plug of round, right tube sheet left side wall ring array is provided with four left spacing recesses, round spacing circle groove has been seted up to left tube sheet left side wall, spacing circle inslot portion is provided with seal ring, left tube sheet right side wall ring array is provided with four right spacing recesses, solves the tube sheet between present heat exchanger casing and the end cover and all sets up the screw hole through carrying on the tube sheet, then carries out the bolt fastening, and this structural installation is loaded down with trivial details, and screw hole and the integrative design of heat exchanger lead to the heat exchanger can't fasten sealedly in installation or dismantlement process, and can't restore, directly lead to whole heat exchanger to scrap, this design later stage maintenance use cost is higher problem.

As a further aspect of the present invention, a fastening mechanism is provided between the left limit groove and the right limit groove.

As a further scheme of the utility model, fastening device includes the base, the bottom is provided with the spout in the base, be provided with left slider and right slider in the spout, the fixed left chuck that sets up in left side slider upper portion, right side slider upper end is provided with right chuck.

As a further scheme of the utility model, the inside center department of spout is provided with the biax motor, the biax motor both ends are provided with the threaded rod, and twist respectively and connect inside left slider and right slider bottom.

As a further aspect of the present invention, the limiting plug is matched with the limiting ring groove, and the limiting plug is inserted into the limiting ring groove.

As a further scheme of the utility model, left side spacing recess and left chuck phase-match, and left chuck joint is inside left spacing recess.

As a further scheme of the utility model, right side spacing recess and right chuck phase-match, and right chuck joint is inside right side spacing recess.

As a further aspect of the utility model, the biax motor drive threaded rod rotates, and drives left slider and right slider to opposite direction motion.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a peg graft the spacing plug of end cover right-hand member right side tube sheet right side wall in the spacing circle inslot portion of casing left end left side tube sheet left side wall, and seal through seal ring, left chuck and right chuck joint through fastening mechanism are inside spacing recess in a left side and right spacing recess, start the biax motor and drive the threaded rod and rotate, because left slider and right slider move to opposite direction, and then left chuck and right chuck carry out the fixed clamp to left tube sheet and right tube sheet and press from both sides, the installation is simple, it is convenient to dismantle, and fastening mechanism and heat exchanger components of a whole that can function independently design, later stage fastening mechanism damages, direct change fastening mechanism can, can not influence the use of heat exchanger, the maintenance cost in later stage is lower.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the overall structure schematic diagram of the utility model:

fig. 2 is the utility model discloses right tube sheet left side is looked the structure sketch:

fig. 3 is the structure schematic diagram is looked to the left tube sheet right side of the utility model:

fig. 4 is the structure schematic diagram is seen on the right side of the utility model tube plate:

fig. 5 is the structure schematic diagram of the left tube plate of the utility model:

fig. 6 is a schematic structural view of the fastening mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the shell 2, the end cover 3, the left tube plate 4, the double-shaft motor 5, the right tube plate 6, the limiting plug 7, the left limiting groove 8, the limiting ring groove 9, the sealing washer 10, the right limiting groove 11, the fastening mechanism 12, the base 13, the sliding groove 14, the left sliding block 15, the right sliding block 16, the left chuck 17, the right chuck 18 and the threaded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a tube sheet fastener of heat exchanger, includes casing 1,

end cover

2, 1 left end of casing is provided with

left tube sheet

3, 2 right-hand members of end cover are provided with

right tube sheet

5, 5 right side walls of right tube sheet are provided with

round spacing plug

6, 5 left side wall annular arrays of right tube sheet are provided with four

left spacing recesses

7, 3 left side walls of left tube sheet have seted up round spacing ring groove 8, spacing ring inslot 8 inside is provided with

seal ring

9, 3 right side wall annular arrays of left tube sheet are provided with four right spacing recesses 10, be provided with fastening device 11 between left side spacing recess 7 and the right spacing recess 10, fastening device 11 includes base 12, the bottom is provided with spout 13 in base 12, be provided with left slider 14 and right slider 15 in the spout 13, the fixed left chuck 16 that sets up in 14 upper portions of left slider, right slider 15 upper end is provided with right chuck 17, the inside center department of spout 13 is provided with biax motor 4, biax motor 4 both ends are provided with threaded rod 18, and twist respectively and connect inside left slider 14 and right slider 15 bottom.

The second embodiment:

referring to fig. 1-6, a left tube plate 3 is disposed at the left end of a housing 1, a right tube plate 5 is disposed at the right end of an end cover 2, a circle of limiting plugs 6 is disposed on the right side wall of the right tube plate 5, four left limiting grooves 7 are disposed in an annular array on the left side wall of the right tube plate 5, a circle of limiting ring groove 8 is disposed on the left side wall of the left tube plate 3, a sealing gasket 9 is disposed inside the limiting ring groove 8, four right limiting grooves 10 are disposed in an annular array on the right side wall of the left tube plate 3, the limiting plugs 6 are matched with the limiting ring grooves 8, the limiting plugs 6 are inserted into the limiting ring groove 8, the left limiting grooves 7 are matched with a left chuck 16, a left chuck 16 is clamped inside the left limiting grooves 7, the right limiting grooves 10 are matched with a right chuck 17, the right chuck 17 is clamped inside the right limiting grooves 10, and a double-shaft motor 4 drives a threaded rod 18 to rotate and drives a left slider 14 and a right slider 15 to move in opposite directions.

The utility model discloses a theory of operation:

through pegging graft the spacing plug 6 with 5 right side walls of end cover right-hand member tube sheet 5 inside the spacing ring groove 8 of 3 left side walls of left tube sheet of casing 1, and seal through seal ring 9, left chuck 16 and right chuck 17 joint through fastening device 11 are inside left spacing recess 7 and right spacing recess 10, start-up double-shaft motor 4 and drive threaded rod 18 and rotate, because left slider 14 and right slider 15 move to opposite direction, and then left chuck 16 and right chuck 17 carry out fixed clamping to left tube sheet 3 and right tube sheet 5, the installation is simple, it is convenient to dismantle, and fastening device and heat exchanger components of a whole that can function independently design, later stage fastening device damages, direct change fastening device can, can not influence the use of heat exchanger, the maintenance cost in later stage is lower.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A tube plate fastening device of a heat exchanger comprises a shell (1) and an end cover (2), and is characterized in that: casing (1) left end is provided with left tube sheet (3), end cover (2) right-hand member is provided with right tube sheet (5), right side tube sheet (5) right side wall is provided with round limit plug (6), right side tube sheet (5) left side wall ring array is provided with four left spacing recess (7), round spacing ring groove (8) have been seted up to left side tube sheet (3) left side wall, spacing ring groove (8) inside is provided with seal ring (9), left side tube sheet (3) right side wall ring array is provided with four right spacing recess (10).

2. The tube sheet fastening device for a heat exchanger as claimed in claim 1, wherein: and a fastening mechanism (11) is arranged between the left limiting groove (7) and the right limiting groove (10).

3. The tube plate fastening device of a heat exchanger according to claim 2, wherein: the fastening mechanism (11) comprises a base (12), a sliding groove (13) is formed in the bottom of the base (12), a left sliding block (14) and a right sliding block (15) are arranged in the sliding groove (13), a left chuck (16) is fixedly arranged on the upper portion of the left sliding block (14), and a right chuck (17) is arranged at the upper end of the right sliding block (15).

4. A tube plate fastening device of a heat exchanger according to claim 3, wherein: the double-shaft motor (4) is arranged at the center inside the sliding groove (13), threaded rods (18) are arranged at two ends of the double-shaft motor (4), and the two ends of the double-shaft motor are respectively screwed inside the bottom ends of the left sliding block (14) and the right sliding block (15).

5. The tube sheet fastening device for a heat exchanger as claimed in claim 1, wherein: the limiting plug (6) is matched with the limiting ring groove (8), and the limiting plug (6) is inserted into the limiting ring groove (8).

6. The tube sheet fastening device for a heat exchanger as claimed in claim 1, wherein: the left limiting groove (7) is matched with the left chuck (16), and the left chuck (16) is clamped inside the left limiting groove (7).

7. The tube sheet fastening device for a heat exchanger as claimed in claim 1, wherein: the right limiting groove (10) is matched with the right chuck (17), and the right chuck (17) is clamped inside the right limiting groove (10).

8. The tube plate fastening device of a heat exchanger according to claim 4, wherein: the double-shaft motor (4) drives the threaded rod (18) to rotate and drives the left sliding block (14) and the right sliding block (15) to move in opposite directions.