CN220287436U - Supporting device for central tube - Google Patents
Supporting device for central tube Download PDFInfo
- Publication number
- CN220287436U CN220287436U CN202321944499.2U CN202321944499U CN220287436U CN 220287436 U CN220287436 U CN 220287436U CN 202321944499 U CN202321944499 U CN 202321944499U CN 220287436 U CN220287436 U CN 220287436U
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- clamping
- rods
- support
- diameter section
- central tube
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000001154 acute effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of burner support, and particularly discloses a support device for a central tube, which comprises a clamping hoop, a support rod and a clamping ejector rod; the two clamping hoops are spliced into a ring shape, the adjacent clamping hoops are detachably and fixedly connected, and the two clamping hoops are used for clamping the central tube; the outer peripheral walls of the two clamping hoops are fixedly connected with a plurality of supporting rods respectively, the plurality of supporting rods are coaxially sleeved with clamping ejector rods, the plurality of supporting rods are in threaded connection with the plurality of clamping ejector rods, and the clamping ejector rods are used for being abutted with the inner wall of the burner cylinder; the screw connection of a plurality of clamp ejector rods is mutually matched and used for loosening or tightening the fastening degree of the supporting rods and the burner cylinder, and the vibration of the central tube can be transmitted to the inner wall of the burner cylinder through the plurality of supporting rods, so that the condition of loosening caused by continuous stress in a single direction is avoided, and the stability of central flame sprayed out of the central tube is effectively improved.
Description
Technical Field
The utility model relates to the technical field of burner support, in particular to a support device for a central tube.
Background
The central tube is a key and important part of the burner, is a channel for providing central fuel gas for the burner, the stable combustion basis of the burner is the stability of central flame, and loosening or vibration of the central tube can have great influence on flame combustion, so that the supporting structure of the central tube is an important problem which must be paid attention to the structure of the burner.
In the existing center tube supporting structure, the problem that the center tube is not firmly clamped easily occurs is solved, and the problem is that the center tube is installed in a detachable clamp in the prior art, the clamp is installed in an outer cylinder through a support which is supported in one direction, but when the center tube vibrates, the support which is supported in one direction only is affected by vibration in the same direction for a long time, so that the support and the outer cylinder are loosened, and the center tube is loosened.
Therefore, research on a supporting device capable of preventing the center tube from loosening has important practical value.
Disclosure of Invention
The utility model aims to provide a supporting device for a central tube, which aims to solve the problem that the central tube of the existing supporting device is easy to loosen.
In order to solve the technical problems, the utility model provides a supporting device for a central tube, which comprises a clamping hoop, a supporting rod and a clamping ejector rod; the two clamping hoops are spliced into a ring shape, the adjacent clamping hoops are detachably and fixedly connected, and the clamping hoops are used for clamping the central tube; the outer peripheral walls of the two clamping hoops are fixedly connected with a plurality of supporting rods respectively, the plurality of supporting rods are coaxially sleeved with clamping ejector rods, the plurality of supporting rods are in threaded connection with the plurality of clamping ejector rods, and the clamping ejector rods are used for being abutted against the inner wall of the burner cylinder; the threaded connection of the clamping ejector rods is matched with each other to loosen or tighten the fastening degree of the supporting rod and the burner cylinder.
In one embodiment, any one of the clamping hoops is provided with a plurality of support rods, and the plurality of support rods on the same clamping hoop are arranged at an obtuse angle or an acute angle.
In one embodiment, the clamping ejector rod is provided with a plurality of slots, and the slots are used for absorbing vibration of the central tube.
In one embodiment, the plurality of grooved grooves are oriented in the same direction as the axis of the clamping ram.
In one embodiment, the support bar includes a wide diameter section and a narrow diameter section; one end of the wide-diameter section is fixedly connected with the clamping hoop, and the other end of the wide-diameter section is fixedly connected with the narrow-diameter section; the outer wall of the narrow diameter section is provided with external threads, the end part of the clamping ejector rod is provided with an internal thread hole, and the clamping ejector rod is in threaded connection with the narrow diameter section.
In one embodiment, a plurality of locking nuts are arranged between the clamping ejector rod and the wide-diameter section, the locking nuts are in threaded connection with the narrow-diameter section, and the locking nuts are used for locking the clamping ejector rod.
In one embodiment, the device further comprises a screw and a connecting nut; the both sides of centre gripping staple bolt all are equipped with the through-hole, and is adjacent the centre gripping staple bolt passes through the screw coupling nut with through-hole fixed connection.
In one embodiment, the end of the clamping ejector rod, which is far away from the clamping hoop, is provided with anti-skid threads.
The beneficial effects of the utility model are as follows:
because a plurality of centre gripping staple bolts are arranged around the axis circumference of center tube, be detachable fixed connection between the adjacent centre gripping staple bolts, a plurality of centre gripping staple bolts are used for centre gripping center tube, a plurality of centre gripping staple bolts respectively with a plurality of bracing pieces rigid coupling, a plurality of bracing pieces all coaxial cover is equipped with the clamp ejector pin, a plurality of bracing pieces and a plurality of clamp ejector pin equal threaded connection, clamp ejector pin is used for the inner wall butt with the combustor drum, so when using, press from both sides the center tube clamp in a plurality of centre gripping staple bolts, then the clamp ejector pin is transferred soon, make clamp ejector pin can the butt on the center tube inner wall, through the cooperation of the both sides clamp ejector pin on same straight line, make the centre gripping staple bolt by the card die on the combustor drum inner wall on same straight line direction, after a plurality of clamp ejector pins transfer to the combustor drum in a plurality of centre gripping staple bolts, avoid the bracing piece to appear the problem that the support device center tube is easy to become flexible because of long-term same direction vibration, when the center tube vibration condition appears, the vibration can be transferred to the combustor drum, the problem that the support rod appears is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the structure of a support device applied to a central tube according to a first preferred embodiment of the present utility model;
FIG. 2 is an elevation view of the support device of the first preferred embodiment of the present utility model applied to a center tube;
FIG. 3 is a cross-sectional view of a support device according to a first preferred embodiment of the present utility model applied to a center tube;
FIG. 4 is a schematic view of the structure of the support rod and the clamping hoop provided by the first preferred embodiment of the present utility model;
fig. 5 is a front view showing the support device according to the second preferred embodiment of the present utility model applied to the center tube.
The reference numerals are as follows:
1. clamping the anchor ear; 2. a support rod; 20. a wide diameter section; 21. a narrow diameter section; 3. clamping the ejector rod; 30. slotting; 4. a lock nut; 5. a screw; 6. a coupling nut; 7. a central tube; 8. a burner cylinder.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
In the prior art, the existing central tube supporting structure is not firmly clamped, and the technical scheme is that the central tube is installed in a detachable clamp in the prior art, the clamp is installed in an outer cylinder through a support which is supported in one direction, but when the central tube vibrates, the support which is only supported in one direction is influenced by vibration in the same direction for a long time, so that the support and the outer cylinder are loosened, and the central tube is loosened; secondly, the existing central tube supporting structure is complicated in installation steps; thirdly, the existing central tube supporting structure can lead to the central tube not to be centered, and particularly, through the support of one-way support, the centering condition of the central tube is difficult to accurately determine, and after the pipe diameter of the outer cylinder or the burner cylinder changes, the support at the original height cannot center the central tube.
In order to solve the above-mentioned problems, the present solution proposes a supporting device for a central tube 7, a first embodiment of which is shown in fig. 1 to 4, comprising a clamping anchor 1, a supporting rod 2 and a clamping ram 3; the two clamping hoops 1 are spliced into a ring shape, the adjacent clamping hoops 1 are detachably and fixedly connected, and the two clamping hoops 1 are used for clamping the central tube 7; the outer peripheral walls of the two clamping hoops 1 are fixedly connected with a plurality of support rods 2 respectively, the plurality of support rods 2 are coaxially sleeved with clamping ejector rods 3, the plurality of support rods 2 are in threaded connection with the plurality of clamping ejector rods 3, and the clamping ejector rods 3 are used for being abutted against the inner wall of the burner cylinder 8; the screw thread connection of the plurality of clamping ejector rods 3 is mutually matched for loosening or tightening the fastening degree of the supporting rods 2 and the burner cylinder 8, after the arrangement mode is adopted, the central tube 7 is clamped in the clamping hoop 1, then the supporting rods 2 can be abutted against the inner wall of the burner cylinder 8 by adjusting the distance between the clamping ejector rods 3 and the inner wall of the burner cylinder 8, when the plurality of supporting rods 2 are abutted against the inner wall of the burner cylinder 8, the distance between the clamping ejector rods 3 and the inner wall of the burner cylinder 8 is further adjusted to be tightly abutted against the inner wall of the burner cylinder 8, so that the clamping hoop 1 is fixed, the vibration of the central tube 7 can be transmitted to the inner wall of the burner cylinder 8 through the plurality of supporting rods 2, the condition of loosening caused by continuous stress in a single direction is avoided, the central flame stability sprayed out by the central tube 7 is effectively improved, and the stable operation of the burner is ensured; moreover, since the length of the support rod 2 in the axial direction is adjustable, no matter how the diameter of the burner cylinder 8 is changed in a normal range, the support rod 2 can be abutted against the inner wall of the burner cylinder 8, so that the aim of centering is fulfilled, and the condition of inaccurate centering of the existing fixing device cannot occur.
Regarding the above-mentioned clamping hoop 1, as shown in fig. 2 and 4, through holes are all provided on two sides of the clamping hoop 1, and adjacent clamping hoops 1 are fixedly connected through screws 5 and connecting nuts 6 to enclose a clamping space of the central tube 7, after the arrangement, the central tube 7 is placed in the clamping space formed by the two clamping hoops 1, so as to realize the fixed clamping of the central tube 7.
Regarding the support rods 2, as shown in fig. 4, two support rods 2 are fixedly connected with the outer peripheral wall of the clamping hoop 1 through welding, and after the arrangement mode is adopted, the support rods 2 can provide a support foundation for fixing the clamping hoop 1.
In order to realize multidirectional stress of the clamping hoop 1, two support rods 2 on the same clamping hoop 1 are arranged at an acute angle, and after the arrangement mode is adopted, vibration on the clamping hoop 1 can be transmitted to the support rods 2, so that the vibration is transmitted and reduced on the outer cylinder or the burner cylinder 8.
For the supporting rod 2, as shown in fig. 4, the supporting rod 2 comprises a wide diameter section 20 and a narrow diameter section 21, one end of the wide diameter section 20 is welded and fixed with the clamping hoop 1, and the other end of the wide diameter section 20 is welded and fixed with the narrow diameter section 21; the outer wall of the narrow diameter section 21 is provided with external threads, the end part of the clamping ejector rod 3 is provided with an internal thread hole, the clamping ejector rod 3 is in threaded connection with the narrow diameter section 21, after the arrangement mode is adopted, one end of the supporting rod 2 can be fixed outside the clamping hoop 1 through rigid connection, and the other end of the supporting rod 2 can be in threaded connection with the clamping ejector rod 3 through threads.
Further, in order to lock the clamping ejector rod 3 on the narrow diameter section 21, as shown in fig. 2, two lock nuts 4 are arranged between the clamping ejector rod 3 and the wide diameter section 20, the two lock nuts 4 are in threaded connection with the narrow diameter section 21, the two lock nuts 4 are used for locking the clamping ejector rod 3, after the arrangement mode is adopted, when the clamping ejector rod 3 abuts against the inner wall of the burner cylinder 8, the two lock nuts 4 rotate towards the direction of the clamping ejector rod 3, the clamping ejector rod 3 is locked, and the locking ejector rod is prevented from loosening.
With respect to the clamping ejector rod 3, as shown in fig. 2, an internal threaded hole is left at the end of the clamping ejector rod 3, the clamping ejector rod 3 is in threaded connection with the narrow diameter section 21 of the support rod 2 through the internal threaded hole, after the arrangement mode is adopted, the clamping ejector rod 3 can move in the axial direction of the support rod 2, which is equivalent to extending the distance for the support rod 2, so as to be abutted against the inner wall of the burner cylinder 8.
Further, in order to realize buffering of the clamping ejector rod 3, as shown in fig. 2, two grooves 30 are formed in the clamping ejector rod 3, when vibration of the central tube 7 is transmitted to the clamping ejector rod 3 after the arrangement mode is adopted, the grooves 30 are formed in the clamping ejector rod 3, and the vibration can be buffered through the structure, so that the loosening condition of the whole supporting rod 2 due to the vibration is reduced.
Specifically, the groove direction of the groove 30 on the clamping ejector rod 3 is the same as the axial direction of the clamping ejector rod 3, after the arrangement mode is adopted, the vibration of the central tube 7 is transmitted to the burner cylinder 8 from the axial direction of the supporting rod 2, the burner cylinder 8 can generate mutual vibration action on the clamping ejector rod 3, and the vibration action can be effectively buffered due to the design perpendicular to the inner wall of the burner cylinder 8.
Furthermore, in order to realize the skid resistance of the clamping ejector rod 3, the part of the end part of the clamping ejector rod 3, which is close to the inner wall of the burner cylinder 8, is also provided with skid resistance grains, after the arrangement mode is adopted, the skid resistance grains can increase the friction between the clamping ejector rod 3 and the burner cylinder 8, so that the skid resistance is enhanced, and the phenomenon of looseness caused by the skid of the clamping ejector rod 3 due to vibration is avoided.
The basic principle and structure of the present solution are known from the above, and will be described in the following with specific use procedures.
S1, the central tube 7 is mounted on the burner.
S2, sleeving the central tube 7 in pairs by a welding assembly of the support rod 2, and clamping and fixing the central tube by a screw 5 and a nut.
S3, the tail end of the supporting rod 2 is connected with a threaded ejector rod in a threaded manner and is propped in the outer cylinder, and then the supporting rod is screwed and fixed through a locking nut 4.
From the above, the installation steps of the scheme are simple, when the burner operates, the central gas cannot loosen or vibrate through the central pipe 7, so that the stability of the central flame is effectively improved, and the stable operation of the burner is ensured.
Example two
A second embodiment of a support device for a central tube 7 according to the present application, as shown in fig. 5, is basically identical to the structure and principle of the first embodiment, except that the arrangement of the support bars 2 on the clamping anchor 1 is different, i.e. the two support bars 2 on the same clamping anchor 1 are not arranged at an acute angle, but at an obtuse angle.
After the arrangement mode is adopted, the two support rods 2 which are arranged at an obtuse angle form an obtuse triangle supporting mechanism with the clamping hoop 1, and the obtuse angle supporting structure is characterized in that the obtuse angle shape of the supporting piece can provide larger supporting rigidity, and the supporting structure has better adaptability and stability.
It can be seen from the first embodiment and the second embodiment that the two different arrangements of the support rods 2 on the clamping hoop 1 are different, that is, the two support rods 2 of the first embodiment are arranged at an acute angle on the same clamping hoop 1, the two support rods 2 of the second embodiment are arranged at an obtuse angle on the same clamping hoop 1, and both the two support rods 2 and the clamping hoop 1 form a triangle arrangement design, so that the fixing performance of the whole clamping hoop 1 is greatly improved, the problem that central fuel gas loosens or vibrates through the central tube 7 is avoided, the stability of central flame is effectively improved, and the stable operation of the burner is ensured.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.
Claims (8)
1. A supporting device for a central tube is characterized in that,
comprises a clamping hoop, a supporting rod and a clamping ejector rod;
the two clamping hoops are spliced into a ring shape, the adjacent clamping hoops are detachably and fixedly connected, and the two clamping hoops are used for clamping the central tube;
the outer peripheral walls of the two clamping hoops are fixedly connected with a plurality of supporting rods respectively, the plurality of supporting rods are coaxially sleeved with clamping ejector rods, the plurality of supporting rods are in threaded connection with the plurality of clamping ejector rods, and the clamping ejector rods are used for being abutted against the inner wall of the burner cylinder;
the threaded connection of the clamping ejector rods is matched with each other to loosen or tighten the fastening degree of the supporting rod and the burner cylinder.
2. The support device according to claim 1, wherein any one of the holding hoops is provided with a plurality of the support rods, and the plurality of support rods on the same holding hoop are arranged at an obtuse angle or an acute angle.
3. The support device of claim 1 wherein the support device comprises a support frame,
the clamping ejector rod is provided with a plurality of grooves which are used for absorbing vibration of the central tube.
4. A support device according to claim 3, wherein a plurality of said slotted grooves are oriented in the same direction as the axis of said clamp ram.
5. The support device of claim 1 wherein the support device comprises a support frame,
the support rod comprises a wide-diameter section and a narrow-diameter section;
one end of the wide-diameter section is fixedly connected with the clamping hoop, and the other end of the wide-diameter section is fixedly connected with the narrow-diameter section;
the outer wall of the narrow diameter section is provided with external threads, the end part of the clamping ejector rod is provided with an internal thread hole, and the clamping ejector rod is in threaded connection with the narrow diameter section.
6. The support device of claim 5 wherein the support device comprises a support frame,
and a plurality of locking nuts are arranged between the clamping ejector rod and the wide-diameter section, are in threaded connection with the narrow-diameter section, and are used for locking the clamping ejector rod.
7. The support device of claim 1 wherein the support device comprises a support frame,
the screw and the connecting nut are also included;
the both sides of centre gripping staple bolt all are equipped with the through-hole, and is adjacent the centre gripping staple bolt passes through the screw coupling nut with through-hole fixed connection.
8. The support device according to claim 1, wherein the end of the clamping ram remote from the clamping hoop is provided with anti-slip threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321944499.2U CN220287436U (en) | 2023-07-24 | 2023-07-24 | Supporting device for central tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321944499.2U CN220287436U (en) | 2023-07-24 | 2023-07-24 | Supporting device for central tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220287436U true CN220287436U (en) | 2024-01-02 |
Family
ID=89340188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321944499.2U Active CN220287436U (en) | 2023-07-24 | 2023-07-24 | Supporting device for central tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220287436U (en) |
-
2023
- 2023-07-24 CN CN202321944499.2U patent/CN220287436U/en active Active
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