CN216097399U - Pipe fitting guiding mechanism and poling machine - Google Patents
Pipe fitting guiding mechanism and poling machine Download PDFInfo
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- CN216097399U CN216097399U CN202122141910.XU CN202122141910U CN216097399U CN 216097399 U CN216097399 U CN 216097399U CN 202122141910 U CN202122141910 U CN 202122141910U CN 216097399 U CN216097399 U CN 216097399U
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- wheel
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- side wall
- shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Framework For Endless Conveyors (AREA)
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Abstract
The utility model provides a pipe fitting guide mechanism and a heat exchange pipe penetrating machine. The guiding mechanism includes at least a set of guide structure, and guide structure includes: a guide structure shell: a first shaft mounting structure and a second shaft mounting structure are arranged along the height directions of the first side wall and the second side wall; the two ends of a first wheel shaft of the first wheel assembly are respectively arranged in the first shaft mounting structures of the first side wall and the second side wall and can rotate relative to the shaft mounting structures; a plurality of wheel grooves are arranged on a second wheel roller of the second wheel assembly at intervals, and two ends of a second wheel shaft are respectively arranged in second shaft mounting structures of the first side wall and the second side wall and can rotate relative to the shaft mounting structures; the first wheel roller groove is matched with the second wheel roller groove to form a pipe clamping space; the two sides of the guide shell opposite to the clamping space are respectively provided with a pipe inlet and a pipe outlet. The guide mechanism can be used for a heat exchange tube penetrating machine.
Description
Technical Field
The utility model relates to the technical field of heat exchanger machining, in particular to a guide mechanism and a heat exchange tube penetrating machine.
Background
The heat exchanger processing needs the pipe penetrating operation of the heat exchange pipe. For a large heat exchanger, the length of a heat exchange tube can reach dozens of meters or dozens of meters, and if automatic tube penetration is realized, the technical problem to be solved firstly is that: the heat exchange tubes are aligned with the heat exchanger plate holes as much as possible.
This places high demands on the transport of the heat exchange tubes. Under the condition that the output position is aligned, the heat exchange tube needs to be ensured to keep a straight line as much as possible in the conveying process, and the deviation of the output position is avoided.
The common conveying structure in the prior art is: conveyer belt is carried, track and is carried etc. because conveyer belt and track own rigidity are limited, carry the distance long, especially the conveyer belt, for the rubber material, be extruded easily and warp, hardly guarantee the straightness of output heat exchange tube.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solve one of the above technical problems, and provides a guide mechanism suitable for long pipe transportation, and further provides an application of the guide mechanism to a pipe penetrating machine, which can ensure straightness of a heat exchange pipe in a transportation direction, so as to ensure alignment of holes of other heat exchanger plates.
The technical scheme adopted by the utility model is as follows:
a pipe guide mechanism comprising at least one set of guide structures, the guide structures comprising:
a guide structure shell: the device comprises a first side wall and a second side wall which are oppositely arranged at intervals, wherein a first shaft mounting structure and a second shaft mounting structure are arranged on the first side wall at intervals along the height direction of the first side wall, and a first shaft mounting structure and a second shaft mounting structure are correspondingly arranged along the height direction of the second side wall;
the first roller assembly: the wheel assembly comprises a first wheel shaft and a first wheel roller arranged on the wheel shaft, wherein a plurality of wheel grooves are arranged on the first wheel roller at intervals, and two ends of the first wheel shaft are respectively arranged in a first shaft mounting structure of a first side wall and a second side wall and can rotate relative to the shaft mounting structures;
the second roller assembly: the wheel assembly comprises a second wheel shaft and a second wheel roller arranged on the wheel shaft, wherein a plurality of wheel grooves are arranged on the second wheel roller at intervals, and two ends of the second wheel shaft are respectively arranged in second shaft mounting structures of a first side wall and a second side wall and can rotate relative to the shaft mounting structures;
the first wheel roller groove is matched with the second wheel roller groove to form a wheel groove gap which is used as a pipe fitting clamping space; and a pipe fitting inlet and a pipe fitting outlet are respectively formed at two sides of the guide shell opposite to the clamping space.
In some embodiments of the present invention, the guide structure comprises two sets of guide structures, wherein the housing of the first set of guide structures and the housing of the second set of guide structures are interconnected, and the wheel groove gap of the first set of guide structures is opposite to the wheel groove gap of the second set of guide structures.
In some embodiments of the present invention, further comprising a transition guiding structure, the transition guiding structure comprising:
the base body is arranged at the inlet end of the shell pipe fitting, and a through hole is formed in the base body along the direction from the first end part to the second end part; after the base body and the shell are installed, the through hole is opposite to the position matched with the wheel groove, so that the pipe fitting can pass through the wheel groove gap and the through hole.
In some embodiments of the utility model, the first set of guide structures and the second set of guide structures are connected via a transitional guide structure therebetween.
In some embodiments of the present invention, a pushing plate is disposed on a side wall of the housing on a side where the pipe outlet is located, the pushing plate is coupled to the housing on the outlet side of the pipe, a coupling position of the pushing plate and the housing is located above the pipe outlet, and the pushing plate is configured to: when the pipe fitting is rotated downwards, the outlet of the pipe fitting can be covered and attached to the side wall of the shell.
In some embodiments of the present invention, the roller is made of a metal material.
In some embodiments of the present invention, the axle mounting structure is an axle slot, a fixing member capable of closing an opening of the axle slot is disposed at the axle slot, and an installation space defined by the fixing member and the axle slot can accommodate the axle.
Some embodiments of the present invention further provide a tube threading machine, including a tube conveying mechanism and the aforementioned tube guiding structure; the tubular guide structure is provided with:
the pipe fitting inlet end of the pipe fitting conveying mechanism and/or the pipe fitting outlet end of the pipe fitting conveying mechanism;
the pipe conveying mechanism comprises a pipe clamping gap opposite to the wheel groove gap, so that the pipe can pass through the wheel groove gap and the clamping gap.
In some embodiments of the present invention, the guiding structure disposed at the inlet end of the pipe conveying mechanism comprises: the shell of the first group of guide structures is interconnected with the shell of the second group of guide structures, and the wheel groove gap of the first group of guide structures is opposite to the wheel groove gap of the second group of guide structures. Further, the first set of guide structures and the second set of guide structures may be connected via a transitional guide structure.
In some embodiments of the present invention, a pushing plate is disposed on a side wall of the housing on a side where the pipe outlet is located, of the guiding mechanism disposed at the outlet end of the pipe conveying mechanism, the pushing plate is coupled to the housing on the outlet side of the pipe, and a coupling position of the pushing plate and the housing is located above the pipe outlet, and the pushing plate is configured to have a size: when the pipe fitting is rotated downwards, the outlet of the pipe fitting can be covered and attached to the side wall of the shell.
The system provided by the utility model has the beneficial effects that:
1. to the field that pipe fitting direction of delivery required height, guiding mechanism avoids the long tube to take place offset in transportation process through the centre gripping cooperation of round roller, guarantees that it carries along the straight line.
2. In order to improve the guiding effect, the guiding mechanisms can be flexibly matched in a plurality of groups. The transition mechanism can play a role in auxiliary guiding while connecting a plurality of groups of guiding mechanisms, thereby further improving
3. The guide mechanism can be matched with the pipe conveying mechanism for use, and can be selectively arranged at the inlet end and/or the outlet end of the pipe conveying mechanism to ensure the stable conveying of the long pipe.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a first perspective structural view of a guide mechanism;
FIG. 2 is a second perspective structural view of the guiding mechanism;
FIG. 3 is a schematic structural view of a guide mechanism configured with a transition guide mechanism;
FIG. 4 is a first perspective view of a two-set guiding mechanism matching structure;
FIG. 5 is a second perspective view of the two sets of guiding mechanisms;
FIG. 6 is a first perspective structural view of a guide mechanism with a push plate;
FIG. 7 is a second perspective structural view of the guiding mechanism with the pushing plate;
fig. 8 is a schematic structural view of a first embodiment of a guide mechanism applied to a pipe conveying mechanism;
fig. 9 is a schematic structural view of a second embodiment of a guiding mechanism applied to a pipe conveying mechanism;
in the above drawings:
1-housing, 101-first side wall, 1011-first axial groove, 1012-second axial groove, 102-second side wall, 103-fixing piece, 104-wheel groove gap, 105-pipe inlet, 106-pipe outlet;
201-first wheel axle, 202-first wheel roller;
301-a second hub, 302-a second roller;
4-base, 401-through holes;
5-a first set of guide structures;
6-a second set of guide structures;
7-a first transition structure;
8-a second transition structure;
9-a push plate;
10-a pipe conveying mechanism;
11-heat exchange tubes;
12-a pushing mechanism.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "disposed on," "connected to," another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The terms "first" and "second" are used for descriptive purposes only and are not intended to imply relative importance.
It is to be understood that the terms "upper", "lower", "bottom", and the like, as used herein, are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present invention and simplicity of description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting.
The utility model provides a pipe fitting guide mechanism which can be used for pipe fitting conveying, can be used together with other main body conveying structures, and can be used as an auxiliary function for pipe fitting guiding so as to better control the conveying direction of pipe fittings.
The pipe guiding mechanism comprises at least one group of guiding structures, and one group or two groups of guiding structures can be configured according to the use requirement. The utility model uses the cooperation of the guide structure and the conveying mechanism to explain the structure and the working principle of the guide structure. The conveying mechanism defined by the utility model comprises a fixed conveying unit and a clamping conveying unit, wherein the position of the fixed conveying unit is unchanged, and the clamping conveying unit can move relative to the fixed conveying unit to clamp the pipe fitting. The fixed conveying unit and the clamping conveying unit are matched to form a pipe clamping gap.
Referring to fig. 1 and 2, the guide structure includes: the guide structure comprises a guide structure shell 1, a first roller assembly and a second roller assembly.
A guide structure shell: the guide mechanism comprises a first side wall 101 and a second side wall 102 which are oppositely arranged at intervals, a first shaft mounting structure and a second shaft mounting structure are arranged on the first side wall 101 at intervals along the height direction of the first side wall, and the first shaft mounting structure and the second shaft mounting structure are correspondingly arranged along the height direction of the second side wall along the height direction of the first side wall (the direction after the guide mechanism is mounted is taken as the reference).
The shaft mounting structure can be a slotted hole or a shaft groove; in this embodiment, the axle groove is adopted, and for fixing the matching axle, the fixing member 103 capable of closing the opening of the axle groove is arranged at the axle groove to close the opening of the axle groove, and the mounting space defined by the fixing member and the axle groove can accommodate the axle.
The first roller assembly: the wheel comprises a first wheel shaft 201 and a first wheel roller 202 arranged on the wheel shaft, wherein a plurality of wheel grooves are formed in the first wheel roller 202 at intervals, two ends of the first wheel shaft 201 are respectively arranged in first shaft installation structures (first shaft grooves 1011) of a first side wall and a second side wall, the first shaft grooves 1011 do not influence the movement of the wheel shaft 201, and the wheel shaft 201 can rotate relative to the shaft installation structures;
the second roller assembly: the wheel axle comprises a second wheel axle 301 and a second wheel roller 302 arranged on the wheel axle, wherein a plurality of wheel grooves are arranged on the second wheel roller 302 at intervals, two ends of the second wheel axle 301 are respectively arranged in a second axle mounting structure (a second axle groove 1012) of the first side wall 101 and the second side wall 102, the second axle groove 1012 does not influence the movement of the wheel axle 301, and the wheel axle 301 can rotate relative to the axle mounting structure;
the roller is made of metal materials, has certain rigidity and avoids the sliding of the pipe fitting; each roller comprises a plurality of wheel grooves arranged along the side circumferential surface of the roller. The first wheel roller groove is matched with the second wheel roller groove to form a wheel groove gap 104 which is used as a pipe clamping space; the space has the same or slightly larger diameter than the heat exchange tube, so that the heat exchange tube can be allowed to pass through without excessive position deviation.
The guide housing is configured with a tube inlet 105 and a tube outlet 106 on opposite sides of the clamping space, respectively. The tube inlet 105 and tube outlet 106 may be constructed by machining openings in the housing sidewall or by omitting the one side housing sidewall directly.
In some embodiments of the utility model, two sets of guiding structures are included, the housings of the first set of guiding structures 5 and the housings of the second set of guiding structures 6 being interconnected, and the wheel-slot clearance of the first set of guiding structures being opposite to the wheel-slot clearance of the second set of guiding structures. So that the pipe fitting can pass through the two groups of guide structures in sequence. Two sets of guide structure compare a set of guide structure, can further improve the direction effect.
In some embodiments of the present invention, in order to further improve the guiding effect, the guiding structure further includes a transition guiding structure, and referring to fig. 3, the transition guiding structure includes:
a base 4 attached to the inlet 105 end of the housing tube, the base having a through hole 401 formed therein in a direction from the first end toward the second end; after the base 4 and the housing are mounted, the through hole 401 is positioned to face the position where the wheel groove gap 104 is fitted, so that the pipe can pass between the wheel groove gap 104 and the through hole 401.
In some embodiments, a transition guide structure may also be mounted at the tubular outlet 106 end.
With reference to fig. 4 and 5, for an implementation with two sets of guiding structures, the first set of guiding structures 5 and the second set of guiding structures 6 may be directly connected via a transitional guiding structure between the two. For example, the first set of guiding structures 5 is located near one end of the conveying structure, with a pipe entry end of the first transition structure 7, the first transition structure 5 being further connected to the housing (pipe exit end) of the second guiding structure 6, at the entry end of which a second transition structure 8 may be further arranged.
Referring to fig. 6 and 7, in some embodiments of the present invention, a push plate 9 is disposed on a side wall of the housing on a side where the pipe outlet is located, the push plate 9 is coupled to the housing on the outlet side of the pipe, the coupling position of the push plate 9 and the housing is located above the pipe outlet 106, and the push plate 9 is configured to: when rotated downward, covers the tube outlet 106 and conforms to the housing sidewall. The guiding structure of the structure is suitable for being installed at the outlet end of the conveying structure, when the pipe fitting is completely output from the guiding structure, the pushing plate 9 falls down, the guiding structure moves forwards, and the pushing plate 9 can push the pipe fitting forwards.
Some embodiments of the present invention further provide a tube threading machine, which can be used for threading a product such as a heat exchange tube by workers, and includes a tube conveying mechanism 10 and the aforementioned tube guiding structure; the pipe guide structure is provided with:
a pipe inlet end of the pipe conveying mechanism 10, or a pipe outlet end of the pipe conveying mechanism 10; or a pipe guiding mechanism is arranged at the inlet end or the outlet end of the pipe conveying mechanism 10.
The tubular conveying mechanism includes a tubular gripping gap opposite the sheave groove gap such that the tubular may pass between the sheave groove gap and the gripping gap.
In the above embodiment, the pipe inlet end and the pipe outlet end of the pipe conveying mechanism 10 may be provided with the same structure or different structure of the guide mechanism.
For better guiding effect, the guiding mechanisms at the inlet end and the outlet end are configured in the following combination.
Referring to fig. 8, the guiding structures disposed at the inlet end 10 include two sets, a first set of guiding structures 5 and a second set of guiding structures 6, a housing of the first set of guiding structures 5 and a housing of the second set of guiding structures 6 are interconnected, and the first set of guiding structures 5 and the second set of guiding structures 6 may be connected via a transitional guiding structure.
Referring to fig. 9, the guiding mechanism disposed at the outlet end of the tube conveying mechanism 10 is configured with a pushing plate 9, which is defined as a pushing mechanism 12. The pipe fitting is inserted into the heat exchanger after passing through the outlet end of the conveying mechanism 10, and the pushing plate 9 can further assist in conveying the heat exchange pipe 11 into the heat exchanger.
The above combination is not limited to the fitting structure between the guide structure and the pipe conveying mechanism 10, and may be flexibly arranged as necessary. For example, a set of guiding structures may be provided at the inlet end of the pipe conveying structure 10, or the guiding structure at the outlet end of the pipe may be omitted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A pipe guide mechanism comprising at least one set of guide structures, the guide structures comprising:
a guide structure shell: the device comprises a first side wall and a second side wall which are oppositely arranged at intervals, wherein a first shaft mounting structure and a second shaft mounting structure are arranged on the first side wall at intervals along the height direction of the first side wall, and a first shaft mounting structure and a second shaft mounting structure are correspondingly arranged along the height direction of the second side wall;
the first roller assembly: the wheel assembly comprises a first wheel shaft and a first wheel roller arranged on the wheel shaft, wherein a plurality of wheel grooves are arranged on the first wheel roller at intervals, and two ends of the first wheel shaft are respectively arranged in a first shaft mounting structure of a first side wall and a second side wall and can rotate relative to the shaft mounting structures;
the second roller assembly: the wheel assembly comprises a second wheel shaft and a second wheel roller arranged on the wheel shaft, wherein a plurality of wheel grooves are arranged on the second wheel roller at intervals, and two ends of the second wheel shaft are respectively arranged in second shaft mounting structures of a first side wall and a second side wall and can rotate relative to the shaft mounting structures;
the first wheel roller groove is matched with the second wheel roller groove to form a wheel groove gap which is used as a pipe fitting clamping space; and a pipe fitting inlet and a pipe fitting outlet are respectively formed at two sides of the guide shell opposite to the clamping space.
2. A tubular guide mechanism according to claim 1, comprising two sets of guide formations, the housings of the first and second sets of guide formations being interconnected and the sheave gap of the first set of guide formations being opposite the sheave gap of the second set of guide formations.
3. A tubular guide mechanism according to claim 1 or 2, further comprising a transitional guide structure, the transitional guide structure comprising:
the base body is arranged at the inlet end of the shell pipe fitting, and a through hole is formed in the base body along the direction from the first end part to the second end part; after the base body and the shell are installed, the through hole is opposite to the position matched with the wheel groove, so that the pipe fitting can pass through the wheel groove gap and the through hole.
4. A tubular guide mechanism according to claim 3, wherein the first set of guides and the second set of guides are connected by a transitional guide therebetween.
5. The tubular guide mechanism of claim 1, wherein a push plate is disposed on a sidewall of the housing on a side of the tubular outlet, the push plate being coupled to the housing on an outlet side of the tubular, the coupling being located above the tubular outlet, the push plate being sized to: when the pipe fitting is rotated downwards, the outlet of the pipe fitting can be covered and attached to the side wall of the shell.
6. The tube guide of claim 1, wherein the roller is made of metal.
7. The pipe guide of claim 1, wherein the shaft mounting structure is a shaft slot, a fixing member is disposed at the shaft slot to close an opening of the shaft slot, and a mounting space defined by the fixing member and the shaft slot is capable of accommodating the wheel shaft.
8. A pipe threading machine comprising a pipe conveying mechanism and a pipe guiding mechanism as claimed in any one of claims 1 to 7; the pipe guiding mechanism is arranged at:
the pipe fitting inlet end of the pipe fitting conveying mechanism and/or the pipe fitting outlet end of the pipe fitting conveying mechanism;
the pipe conveying mechanism comprises a pipe clamping gap opposite to the wheel groove gap, so that the pipe can pass through the wheel groove gap and the clamping gap.
9. The pipelayer of claim 8, wherein the guide structure disposed at the inlet end of the tubular transport mechanism is the guide structure of claim 3 or 4.
10. The tube threading machine of claim 8, wherein: the guide mechanism disposed at the outlet end of the pipe conveying mechanism is the guide mechanism of claim 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925689.4A CN111774841A (en) | 2020-09-07 | 2020-09-07 | Intelligent automatic pipe penetrating machine for heat exchanger pipe bundle |
| CN2020109256894 | 2020-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216097399U true CN216097399U (en) | 2022-03-22 |
Family
ID=72762677
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010925689.4A Pending CN111774841A (en) | 2020-09-07 | 2020-09-07 | Intelligent automatic pipe penetrating machine for heat exchanger pipe bundle |
| CN202122141910.XU Active CN216097399U (en) | 2020-09-07 | 2021-09-06 | Pipe fitting guiding mechanism and poling machine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010925689.4A Pending CN111774841A (en) | 2020-09-07 | 2020-09-07 | Intelligent automatic pipe penetrating machine for heat exchanger pipe bundle |
Country Status (1)
| Country | Link |
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| CN (2) | CN111774841A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619228B (en) * | 2022-02-08 | 2023-05-05 | 浙江五叶环保科技有限公司 | Pipe penetrating device for heat exchanger |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3300609B2 (en) * | 1996-08-07 | 2002-07-08 | 株式会社東芝 | Apparatus and method for assembling tube for heat exchange of heat exchanger |
| JP2002286397A (en) * | 2001-03-27 | 2002-10-03 | Hitachi Metals Ltd | Heat transfer tube for heat exchanger |
| CN202367407U (en) * | 2011-12-30 | 2012-08-08 | 珠海格力电器股份有限公司 | Pipe penetration device for fin heat exchanger |
| CN102601604B (en) * | 2012-03-16 | 2014-07-02 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Mechanical pipe inserting machine for chemical vessel and operation method of mechanical pipe inserting machine |
| CN203069071U (en) * | 2013-02-04 | 2013-07-17 | 葛洲坝易普力股份有限公司 | Belt-type tube conveying/returning device for loading hose |
| CN203317012U (en) * | 2013-05-02 | 2013-12-04 | 卓然(靖江)设备制造有限公司 | Drawing type semi-automatic tube penetrating machine for industrial furnace |
| CN203497607U (en) * | 2013-09-22 | 2014-03-26 | 青岛环球集团股份有限公司 | Tensioning apparatus of belt pulley |
| CN203714960U (en) * | 2014-03-14 | 2014-07-16 | 天津市华旭盛泰科技有限公司 | Drop irrigation pipe traction device |
| CN105328429B (en) * | 2015-11-06 | 2017-07-25 | 董伟杰 | Fixed tube sheet tubular heat exchanger poling machine |
| CN111360528A (en) * | 2020-04-28 | 2020-07-03 | 江阴德耐特重工科技有限公司 | Heat exchanger poling platform |
-
2020
- 2020-09-07 CN CN202010925689.4A patent/CN111774841A/en active Pending
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2021
- 2021-09-06 CN CN202122141910.XU patent/CN216097399U/en active Active
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|---|---|
| CN111774841A (en) | 2020-10-16 |
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