CN207874090U - A kind of heat exchanger tube poling guide head - Google Patents
A kind of heat exchanger tube poling guide head Download PDFInfo
- Publication number
- CN207874090U CN207874090U CN201721591099.2U CN201721591099U CN207874090U CN 207874090 U CN207874090 U CN 207874090U CN 201721591099 U CN201721591099 U CN 201721591099U CN 207874090 U CN207874090 U CN 207874090U
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- CN
- China
- Prior art keywords
- heat exchanger
- swollen
- split
- exchanger tube
- cylindrical sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of heat exchanger tube poling guide heads, including：First conical head, the rear end of first conical head is provided with connecting rod, it is arranged with taper sheath, spring and split-type cylindrical sleeve in connecting rod, is formed uniformly tapered swollen of several inner wall belts in the front of split-type cylindrical sleeve, retaining mechanism is equipped in connecting rod；It is pulled along the first conical head, retaining mechanism pushes split-type cylindrical sleeve to make swollen to gradually taper up toward the movement of the first conical head direction, so as to which the split-type cylindrical sleeve in poling guide head is extend into heat exchanger tube, unclamp the first conical head, split-type cylindrical sleeve can move under the thrust of spring toward the direction far from the first conical head, and swollen is strutted by the extruding of conical sleeve, outward up to swelling is in heat transfer tube wall.Above-mentioned swelling mode is very reliable, even if heat exchanger tube is given a shock or taps during poling, poling guide head will not be detached from heat exchanger tube, to substantially increase poling efficiency.
Description
Technical field
The utility model is related to heat exchanger tube guiding device for pipe penetration more particularly to heat exchanger tube poling guide heads.
Background technology
When making heat exchanger, need heat exchanger tube being threaded through on tube sheet and baffle plate, due to pore on tube sheet and baffle plate
Fit-up gap between heat exchanger tube is smaller, and there is assembling tolerance after tube sheet and baffle plate assembling, so heat exchanger tube is in reality
It is relatively difficult to across pore when wearing, it usually needs in the end set poling guide head of heat exchanger tube, traditional poling guide head
Structure include：Conical head is provided with connecting rod in the rear end of conical head.When wearing, according to the heat exchanger tube of different tube diameters size
Selection corresponds the poling guide head of size, is then directly sleeved on heat exchanger tube in connecting rod.Due to connecting rod with change
Can inevitably there be gap between heat pipe, and heat exchanger tube can be given a shock or tap during wearing, be easy for making heat exchange in this way
It is fallen off between pipe and poling guide head, is fallen into after falling off so as to cause poling guide head in equipment and be difficult to take out, dropped significantly
Low poling efficiency.
Utility model content
The purpose of this utility model is：Heat exchanger tube and poling guiding during poling can be effectively prevented by providing one kind
Head is fallen off, to effectively improve the heat exchanger tube poling guide head of poling efficiency.
To achieve the above object, technical solution used by the utility model is：A kind of heat exchanger tube poling guide head, packet
It includes：First conical head is provided with connecting rod in the rear end of the first conical head, is arranged with taper sheath, spring successively in connecting rod
And split-type cylindrical sleeve, taper sheath and spring are respectively positioned in split-type cylindrical sleeve, the taper direction of the taper sheath and the first cone
The taper direction of forming head is consistent, and the front end of spring is resisted against on taper sheath；It is formed uniformly in the front of split-type cylindrical sleeve several
Swollen, each swollen inner wall front is with tapered, and the taper direction one of the taper direction and taper sheath of swollen inner wall
It causes, swollen in split-type cylindrical sleeve is set on taper sheath, and the rear end of spring is resisted against the rear inside wall of split-type cylindrical sleeve
On, retaining mechanism, bullet of the split-type cylindrical sleeve in spring are fixedly installed in the connecting rod on rear side of split-type cylindrical sleeve
It is resisted against on retaining mechanism under force effect, and swollen in split-type cylindrical sleeve is strutted outward by the extruding of taper sheath；
When needing poling guide head being fixed on the end of heat exchanger tube, it is first pulled along the first conical head, retaining mechanism promotion divides valve
Formula cylindrical sleeve overcomes spring force to be moved toward the first conical head direction so that the swollen taper sheath being subject in split-type cylindrical sleeve
Outside extruding force be gradually reduced, until be no longer influenced by the extruding of taper sheath and shrink, thus can will be in poling guide head
Split-type cylindrical sleeve extend into heat exchanger tube, then unclamp the first conical head, split-type cylindrical sleeve is acted in the elastic force of spring
It is lower to be moved toward the direction far from the first conical head, swollen gradually strutted outward by the extruding of conical sleeve, until swollen with change
Then the inner wall swelling of heat pipe can carry out poling work.
Further, a kind of heat exchanger tube poling guide head above-mentioned, wherein be provided in the front end of taper sheath and facilitate gripping
The second conical head, the taper direction of the second conical head is consistent with the taper direction of the first conical head, the osculum of the second conical head
Diameter end is resisted against on the first conical head, and the small-caliber end of the second conical head is non-bulging in the heavy caliber end of the first conical head.
Further, a kind of heat exchanger tube poling guide head above-mentioned, wherein be provided between every adjacent two swollen
One swollen film trap.
Further, a kind of heat exchanger tube poling guide head above-mentioned, wherein be formed uniformly six in the front of cylindrical sleeve ontology
A swollen.
Further, a kind of heat exchanger tube poling guide head above-mentioned, wherein there are three ditches in the setting of each swollen outer wall
Three grooves of slot, on piece that each adjacent two is swollen are aligned one by one respectively, to form three annular grooves, are divided in each annular groove
Not She Zhi there are one elasticity O-ring.
Further, a kind of heat exchanger tube poling guide head above-mentioned, wherein the concrete structure of the retaining mechanism is：Even
The back segment of extension bar is set as thread segment, and there are two nut, two nuts are screwed on thread segment and mutually tight for setting on thread segment
It sticks together.
Further, a kind of heat exchanger tube poling guide head above-mentioned, wherein there are one auxiliary for setting on the first conical head
Hole, uniform intervals are provided with several first lightening holes in connecting rod.
Further, a kind of heat exchanger tube poling guide head above-mentioned, wherein several second losss of weight are provided on taper sheath
Hole is provided with several third lightening holes on the second conical head.
The utility model has the advantages that：It is simple and practical in structure, when in use, first the first conical head is pulled forward, makes locking
Mechanism urges split-type cylindrical sleeve overcomes spring force to be moved toward the first conical head direction, and swollen in split-type cylindrical sleeve will
It shrinks, the split-type cylindrical sleeve in poling guide head can thus be extend into heat exchanger tube, split-type cylindrical sleeve is extend into
After in heat exchanger tube, the first conical head is unclamped, split-type cylindrical sleeve is under the elastic force effect of spring toward the side far from the first conical head
To movement, taper sheath struts swollen in split-type cylindrical sleeve, until swollen swelling on the inner wall of heat exchanger tube, even if in this way
Heat exchanger tube is given a shock or taps during poling, and poling guide head will not be detached from heat exchanger tube, to improve poling
Efficiency.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of heat exchanger tube poling guide head described in the utility model.
Fig. 2 is the structural schematic diagram of the first conical head in Fig. 1.
Fig. 3 is the structural schematic diagram of taper sheath in Fig. 1.
Fig. 4 is the structural schematic diagram of split-type cylindrical sleeve in Fig. 1.
Specific implementation mode
Below in conjunction with the accompanying drawings and preferred embodiment is further described technical solution described in the utility model.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, technical solution used by the utility model is：A kind of heat exchanger tube poling guiding
Head, including：First conical head 1, there are one via holes 11 for setting on the first conical head 1, are arranged in the rear end of the first conical head 1
There are connecting rod 2, the back segment of connecting rod 2 to be set as thread segment 21, uniform intervals are provided with several first lightening holes in connecting rod 2
22 mitigate the weight of connecting rod 2.It is arranged with taper sheath 3, spring 4 and split-type cylindrical sleeve 5, taper successively in connecting rod 2
Set 3 and spring 4 are respectively positioned in split-type cylindrical sleeve 5, and the second conical head 31 for facilitating gripping is provided in the front end of taper sheath 3,
The taper direction of the taper direction of taper sheath 3 and the second conical head 31 is consistent with the taper direction of the first conical head 1, in taper
There are two the second lightening holes 32 for setting on set 3, and there are four third lightening holes 33 for setting on the second conical head 31；Second conical head
31 small-caliber end acts against on the first conical head 1, and the small-caliber end of the second conical head 31 is non-bulging in the big of the first conical head 1
The front end at bore end, spring 4 is resisted against on taper sheath 3, and six swollen 51 is formed uniformly in the front of split-type cylindrical sleeve 5,
Per setting between adjacent two swollen 51 there are one swollen film trap 52, each swollen 51 inner wall front with tapered, and
The taper direction of swollen 51 inner wall is consistent with the taper direction of taper sheath 3, the groove 53 there are three settings on each swollen 51,
Three grooves 53 that each adjacent two is swollen on pieces 51 are aligned one by one respectively, to form three annular grooves, in each annular groove
It is respectively set there are one the O-ring 6 of elasticity, O-ring 6 can reinforce swollen frictional force between 51 and heat transfer tube wall, into one
The case where step prevents poling guide head from falling off, and O-ring 6 can also utilize the tightening force of itself to make swollen 51 to obtain more preferably
Contractive effect.Swollen 51 in split-type cylindrical sleeve 5 is set on taper sheath 3, and the rear end of spring 4 is resisted against split-type cylinder
In the rear inside wall of set 5, retaining mechanism is equipped on the thread segment 21 of connecting rod 2, split-type cylindrical sleeve 5 is in spring 4
Elastic force effect under be resisted against on retaining mechanism, and swollen 51 extruding by taper sheath 3 in split-type cylindrical sleeve 5 and to
It struts outside, the concrete structure of the retaining mechanism is：There are two nuts 7, two nuts 7 to be screwed in screw thread for setting on thread segment 21
It is close together in section 21 and mutually.When needing poling guide head being fixed on the end of heat exchanger tube, it is pulled along the first cone
Forming head 1, the nut 7 that is locked on thread segment 21 push split-type cylindrical sleeve 5 to overcome the elastic force of spring 4 toward the first conical head 1
It moving in direction so that the outside extruding force of swollen 51 in split-type cylindrical sleeve 5 taper sheath 3 being subject to is gradually reduced, until
Be no longer influenced by taper sheath 3 outwardly against and O-ring 6 under the action of shrink, thus can will divide valve in poling guide head
Formula cylindrical sleeve 5 is put into heat exchanger tube, after poling guide head is placed in heat exchanger tube, unclamps the first conical head 1, split-type cylinder
Set 5 moves under the elastic force effect of spring 4 toward the direction far from the first conical head 1, and swollen 51 gradually by the extruding of conical sleeve 3
And strut outward, up to swollen 51 and the inner wall swelling of heat exchanger tube, it then can carry out poling work.
The application method of the utility model is as follows：An iron staff is inserted into via hole 11, a hand holds the second taper
First 31, another hand holds iron staff and is pulled along the first conical head 1, and the nut 7 being locked on thread segment 21 will push a point valve
Formula cylindrical sleeve 5 overcomes the elastic force of spring 4 to be moved toward the direction of the first conical head 1, in this way, swollen 51 outside by taper sheath 3
Extruding force will be gradually reduced, until being no longer influenced by the extruding of taper sheath 3, and swollen 51 is quickly received under the tightening effect of O-ring 6
Split-type cylindrical sleeve 5 in poling guide head, is then put into heat exchanger tube by contracting.Split-type cylindrical sleeve 5 is put into heat exchange
Guan Zhonghou unclamps the first conical head 1, and split-type cylindrical sleeve 5 is under the elastic force effect of spring 4 toward the side far from the first conical head 1
To movement, swollen 51 is gradually strutted by the extruding of taper sheath 3, outward up to swollen 51 and the inner wall swelling of heat exchanger tube, so
The heat exchanger tube with poling guide head can be made to carry out poling work on tube sheet or baffle plate afterwards, and guide head will not occur
The case where falling off.When needing to remove poling guide head, an iron staff is inserted into via hole 11, then a hand holds second
Conical head 31, another hand hold iron staff and are pulled along the first conical head 1, and split-type cylindrical sleeve 5 is under the thrust of nut 7
The elastic force of spring 4 is overcome to be moved toward the direction of the first conical head 1, in this way, taper sheath 3 will to swollen 51 outside extruding force
It is gradually reduced, until disappearing, contraction is between swollen occurs between 51 and heat exchanger tube under swollen 51 tightening in O-ring acts on
Gap at this time can take out poling guide head from heat exchanger tube.
The utility model has the advantages that：It is simple and practical in structure, when in use, first the first conical head is pulled forward, makes locking
Mechanism urges split-type cylindrical sleeve overcomes spring force to be moved toward the first conical head direction, and swollen in split-type cylindrical sleeve will
It shrinks, the split-type cylindrical sleeve in poling guide head can thus be extend into heat exchanger tube, split-type cylindrical sleeve is extend into
After in heat exchanger tube, the first conical head is unclamped, split-type cylindrical sleeve is under the elastic force effect of spring toward the side far from the first conical head
To movement, taper sheath struts swollen in split-type cylindrical sleeve, until swollen swelling on the inner wall of heat exchanger tube, even if in this way
Heat exchanger tube is given a shock or taps during poling, and poling guide head will not be detached from heat exchanger tube, to improve poling
Efficiency.
Claims (8)
1. a kind of heat exchanger tube poling guide head, including：First conical head is provided with connecting rod in the rear end of the first conical head,
It is characterized in that：It is arranged with taper sheath, spring and split-type cylindrical sleeve successively in connecting rod, taper sheath and spring are respectively positioned on a point valve
In formula cylindrical sleeve, the taper direction of the taper sheath is consistent with the taper direction of the first conical head, and the front end of spring is resisted against cone
Shape is put on；Be formed uniformly several swollen in the front of split-type cylindrical sleeve, each swollen inner wall front with tapered, and
The taper direction of swollen inner wall is consistent with the taper direction of taper sheath, and swollen in split-type cylindrical sleeve is set on taper sheath,
The rear end of spring is resisted against in the rear inside wall of split-type cylindrical sleeve, fixed in the connecting rod on rear side of split-type cylindrical sleeve
It is provided with retaining mechanism, split-type cylindrical sleeve is resisted against under the elastic force effect of spring on retaining mechanism, and split-type cylinder
Swollen is covered to be strutted outward by the extruding of taper sheath；When needing poling guide head being fixed on the end of heat exchanger tube,
It is first pulled along the first conical head, retaining mechanism pushes split-type cylindrical sleeve that spring force is overcome to be moved toward the first conical head direction
It is dynamic so that the outside extruding force of the swollen taper sheath being subject in split-type cylindrical sleeve is gradually reduced, until being no longer influenced by cone
Shape set extruding and shrink, the split-type cylindrical sleeve in poling guide head can thus be extend into heat exchanger tube, then be unclamped
First conical head, split-type cylindrical sleeve move under the elastic force effect of spring toward the direction far from the first conical head, and swollen gradually
It is strutted outward by the extruding of conical sleeve, up to swollen and the inner wall swelling of heat exchanger tube, then can carry out poling work.
2. a kind of heat exchanger tube poling guide head according to claim 1, it is characterised in that：It is provided in the front end of taper sheath
Facilitate the second conical head of gripping, the taper direction of the second conical head is consistent with the taper direction of the first conical head, the second taper
The small-caliber end of head is resisted against on the first conical head, the non-bulging heavy caliber in the first conical head of small-caliber end of the second conical head
End.
3. a kind of heat exchanger tube poling guide head according to claim 1 or 2, it is characterised in that：It is swollen at every adjacent two
There are one swollen film traps for setting between piece.
4. a kind of heat exchanger tube poling guide head according to claim 3, it is characterised in that：It is equal in the front of cylindrical sleeve ontology
It is even to form six swollen.
5. a kind of heat exchanger tube poling guide head according to claim 4, it is characterised in that：It is arranged in each swollen outer wall
There are three groove, three grooves of on piece that each adjacent two is swollen are aligned one by one respectively, to form three annular grooves, in each circle
The O-ring of elasticity there are one being respectively set in annular groove.
6. a kind of heat exchanger tube poling guide head according to claim 1 or 2, it is characterised in that：The tool of the retaining mechanism
Body structure is：The back segment of connecting rod is set as thread segment, and there are two nuts, two nuts to be screwed in thread segment for setting on thread segment
It is close together above and mutually.
7. a kind of heat exchanger tube poling guide head according to claim 1 or 2, it is characterised in that：It is set on the first conical head
Via hole there are one setting, uniform intervals are provided with several first lightening holes in connecting rod.
8. a kind of heat exchanger tube poling guide head according to claim 2, it is characterised in that：It is provided on taper sheath several
Second lightening hole is provided with several third lightening holes on the second conical head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591099.2U CN207874090U (en) | 2017-11-24 | 2017-11-24 | A kind of heat exchanger tube poling guide head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591099.2U CN207874090U (en) | 2017-11-24 | 2017-11-24 | A kind of heat exchanger tube poling guide head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207874090U true CN207874090U (en) | 2018-09-18 |
Family
ID=63501041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721591099.2U Withdrawn - After Issue CN207874090U (en) | 2017-11-24 | 2017-11-24 | A kind of heat exchanger tube poling guide head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207874090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791197A (en) * | 2017-11-24 | 2018-03-13 | 张化机（苏州）重装有限公司 | A kind of heat exchanger tube poling guide head |
| CN110052805A (en) * | 2019-04-25 | 2019-07-26 | 哈尔滨工业大学 | A kind of assembly method of push plate device and a kind of special-shaped heat exchange tubes and tube sheet pore |
| CN113829289A (en) * | 2021-11-29 | 2021-12-24 | 中国能源建设集团山西电力建设有限公司 | Method for penetrating copper tube of condenser |
-
2017
- 2017-11-24 CN CN201721591099.2U patent/CN207874090U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791197A (en) * | 2017-11-24 | 2018-03-13 | 张化机（苏州）重装有限公司 | A kind of heat exchanger tube poling guide head |
| CN107791197B (en) * | 2017-11-24 | 2023-09-15 | 张化机（苏州）重装有限公司 | Heat exchange tube penetrating guide head |
| CN110052805A (en) * | 2019-04-25 | 2019-07-26 | 哈尔滨工业大学 | A kind of assembly method of push plate device and a kind of special-shaped heat exchange tubes and tube sheet pore |
| CN113829289A (en) * | 2021-11-29 | 2021-12-24 | 中国能源建设集团山西电力建设有限公司 | Method for penetrating copper tube of condenser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180918 Effective date of abandoning: 20230915 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180918 Effective date of abandoning: 20230915 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |