CN203495055U - Hydraulic pipe expanding device for cam - Google Patents
Hydraulic pipe expanding device for cam Download PDFInfo
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- CN203495055U CN203495055U CN201320566250.2U CN201320566250U CN203495055U CN 203495055 U CN203495055 U CN 203495055U CN 201320566250 U CN201320566250 U CN 201320566250U CN 203495055 U CN203495055 U CN 203495055U
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- cam
- cone
- piston
- tube axis
- hydraulic
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Abstract
The utility model discloses a pipe expanding device and provides a hydraulic pipe expanding device for a cam. The hydraulic pipe expanding device is compact in structure and labor-saving and time-saving in operation and is capable of satisfying an operating requirement of narrow space and helps resolve the technical problem in the prior art that the operating requirement of narrow space cannot be satisfied due to the fact that pipe-expanding machining operation of copper pipes can be only performed in the same direction. The hydraulic pipe expanding device comprises an oil-pressure pump. A connection sleeve is butt joint with a hydraulic cylinder chamber of the oil-pressure pump. A piston is slidably connected in the connection sleeve. The inside end of the piston is communicated with the hydraulic cylinder chamber. An extending cam accommodating chamber extending is arranged on the connection sleeve corresponding to the outside end of the position. The cam accommodating chamber is communicated with a pipe expanding awl shaft accommodating chamber. A cam mechanism is arranged in the cam accommodating chamber. A pipe expanding awl shaft is arranged in the pipe expanding awl shaft accommodating chamber. The pipe expanding awl shaft is driven by the piston via the cam mechanism to extend from a guide outlet to outside of the pipe expanding awl shaft accommodating chamber. A pipe expanding head assembly corresponding to the pipe expanding awl shaft is rotationally connected onto the guide outlet.
Description
Technical field
The utility model relates to a kind of pipe-expander, relates in particular to a kind of compact conformation, operates time saving and energy savingly, and can be used for the hydraulic cam pipe-expander that small space is used.
Background technology
Pipe-expander is to manufacture, be used for while keeping in repair all kinds of container the inside and outside footpath of enlarged pipe, tube-to-tube sheet connection contact site is closely engaged, can not leak gas and also can bear the bonding tool that rises of certain pressure, it is widely used in manufacture and the maintenance of boiler, heat exchanger, condenser, cooler and other kinds pressure vessel in the industries such as oil, chemical industry, electric power, metallurgy, shipbuilding, refrigeration.But existing pipe-expander is generally Manual pipe increaser, and operation is wasted time and energy.
Chinese patent discloses a kind of hand hydraulic pipe expander (CN201470786U), comprise the pump housing, be fixed on the oil drum that is positioned at fluid entrance on the pump housing and be positioned at the piston bush that fluid exports, on oil drum, be fixed with handle, on piston bush, be connected with the head that rises, in piston bush, slide and be provided with piston, on piston, be fixed with the taper thimble that inserts the head that rises, in the pump housing, offer the pipeline that fluid can be exchanged between fluid entrance and fluid outlet, on pipeline, be provided with the plunger for fluid is exported from fluid entrance pump to fluid, on the pump housing, be hinged with rocking handle, rocking handle is connected with plunger, the axial line of taper thimble is vertical with the bearing of trend of handle, and the glide direction of plunger is parallel with the direction of axis line of taper thimble.Although this pipe-expander is hydraulic-driven, therefore there is pressure large, use the advantages such as laborsaving, but due to taper thimble and the piston coaxial of this pipe-expander, can only carry out equidirectional tube to copper pipe, therefore add and often need the operating space that provides enough large man-hour, but in actual use, copper pipe place narrow space often when especially equipment is keeped in repair, therefore exists to use to have limitation, cannot meet the technical problems such as instructions for use of small space.
Summary of the invention
The utility model has mainly been to provide a kind of compact conformation, it is time saving and energy saving to operate, and can meet the hydraulic cam pipe-expander of small space instructions for use, solved in prior art, exist can only carry out equidirectional tube processing to copper pipe, cannot meet the technical problem of the instructions for use etc. of small space.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of hydraulic cam pipe-expander, comprise oil pressure pump, on the hydraulic cylinder cavity of oil pressure pump to being connected to branch sleeve, in branch sleeve, slidably connect piston, the medial extremity of piston is connected with hydraulic cylinder cavity, on branch sleeve corresponding to described piston outboard end, extend and be provided with cam container cavity, cam container cavity is being communicated with tube axis of cone container cavity, in cam container cavity, be provided with cam mechanism, in tube axis of cone container cavity, be provided with the tube axis of cone, piston promotes the tube axis of cone by cam mechanism and outside export mouth extends to tube axis of cone container cavity, and on export mouth, be connected with the tube corresponding with promoting a tube axis of cone assembly.By the outboard end at branch sleeve, extend cam container cavity and the tube axis of cone container cavity of intercommunication, in cam container cavity, cam mechanism is set, in tube axis of cone container cavity, arrange and may extend to the tube axis of cone outside tube axis of cone container cavity, when outwards sliding, piston during use in oil pressure pump gets final product actuating cam mechanism, by the cam mechanism driving tube axis of cone, in extending out to a tube assembly, export mouth carries out tube processing again, cam mechanism compact conformation, and its structures shape certainly exist angle between piston and the tube axis of cone, by cam mechanism, changed the direction of transfer of power, therefore in actual use, especially to implementing the pipeline of coaxial tube in equipment, carry out tube processing, can in narrow space, complete tube processing, applied range, oil pressure pump and cam mechanism interlock, it is time saving and energy saving to operate.
As preferably, described cam mechanism comprises the first horizontal rotating shaft being horizontally set with in cam container cavity, on the first horizontal rotating shaft, be rotationally connected the cam of plate-like, on cam, near one end of the first horizontal rotating shaft, slide and be connected on the outside end face of piston, the other end of cam slides and is connected on the inner side end of the tube axis of cone.The first horizontal rotating shaft can reduce the stroke of piston while being positioned on the close cam of piston, thereby makes overall structure compact and reasonable more.
As being more preferably provided with and can being with the automatically reset torsion spring of moving cam on described the first horizontal rotating shaft, near on the cam of the tube axis of cone, be provided with the second horizontal rotating shaft, on the second horizontal rotating shaft, be rotationally connected one end of brace, the other end of brace is rotatably connected on tube axis of cone medial extremity.By sheathed torsion spring on the first horizontal rotating shaft, between the second horizontal rotating shaft and the tube axis of cone, brace is set again, can be by torsion spring band moving cam after tube processing, cam drives the tube axis of cone to automatically reset again, and resetting structure is simple and reliable.
As more preferably, between the inner side end of described cam and the tube axis of cone, be provided with gap.When there is gap between the inner side end of cam and the tube axis of cone, can reduce the friction of the two, increase the service life and reduce running resistance.
As preferably, described cam comprises that driving wheel and integral type extend in the driven pulley of driving wheel one side, and driving wheel is corresponding with piston, and driven pulley is corresponding with the tube axis of cone, and the diameter of driving wheel is less than the diameter of driven pulley.When the diameter of driving wheel is less than the diameter of driving wheel, can increases the tube axis of cone stroke corresponding with driven pulley, thereby meet various tube demands.
As preferably, on the cam outer ring surface corresponding with described piston, be provided with radial detents, in radial detents, be rotationally connected boosting wheel, boosting wheel rolls and is connected on piston outer face.By boosting being set on cam outer ring surface, take turns, make cam and piston keep rolling and be connected, reduce running resistance and wearing and tearing, extend the service life of the two.
Angle between piston and the tube axis of cone can be acute angle or obtuse angle, and as preferably, described piston is vertical coplanar with the tube axis of cone, and the cam container cavity other end relative with export mouth is provided with service ports.When piston is vertical with the tube axis of cone, maximizing is saved tube space, and convenient operation is used again.
As preferably, between described hydraulic cylinder cavity and branch sleeve, be provided with tube connector, hydraulic cylinder cavity and branch sleeve are screwed on tube connector.Between hydraulic cylinder cavity and branch sleeve, by tube connector, be connected, connected mode is simple, easy accessibility, and can be according to using the branch sleeve that need to change different size.
Therefore, hydraulic cam pipe-expander of the present utility model has following advantage: by oil pressure pump, drive cam mechanism, by the cam mechanism driving tube axis of cone, from export mouth, stretch out and carry out tube processing again, simple in structure, cam mechanism compact conformation, and by cam mechanism, changed the direction of transfer of power, therefore can in narrow space, complete tube processing, applied range, it is time saving and energy saving to operate; Between cam and the tube axis of cone, by brace, be connected, and the link of the two exists gap, cam and piston space arrange boosting wheel, make to keep between the two to roll to connect, and have reduced running resistance and wearing and tearing, have extended the service life of related components.
accompanying drawing explanation:
Fig. 1 is the explosive view of the utility model hydraulic cam pipe-expander;
Fig. 2 is the enlarged drawing of cam;
Fig. 3 is the structural representation before the processing of the utility model tube;
Fig. 4 is the structural representation in the utility model tube process.
the specific embodiment:
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, a kind of hydraulic cam pipe-expander of the present utility model, comprise an oil pressure pump 1, on hydraulic cylinder cavity 2 openends of oil pressure pump 1, by a tube connector 11, coaxially connecting a branch sleeve 3, the two ends of tube connector 11 are screwed in respectively in hydraulic cylinder cavity 2 and branch sleeve 3, a piston 4 is being slidably connected in hydraulic cylinder cavity 2 and tube connector 11, the medial extremity of piston 4 is connected with hydraulic cylinder cavity 2, at the outboard end of branch sleeve 3 with a cam container cavity 5, under cam container cavity 5, be communicated with a tube axis of cone container cavity 6, below tube axis of cone container cavity 6, have export mouth 8, a tube assembly 12 is spinning on export mouth 8, cam container cavity 5 tops relative with export mouth 8 have a service ports 10, a cam mechanism is housed in cam container cavity 5, in tube axis of cone 7 of the interior at right angle setting of tube axis of cone container cavity 6, make piston 4 keep vertical coplanar with the tube axis of cone 7, cam mechanism wherein comprises the first horizontal rotating shaft 91 being horizontally set with between cam container cavity 5 two side walls, on the first horizontal rotating shaft 91, be rotationally connected the cam 92 of a plate-like, as shown in Figure 2, cam 92 comprises again driving wheel 921 and the coplanar driven pulley 922 that extends in driving wheel 921 downsides of integral type, the diameter of driving wheel 921 is half of driven pulley 922 diameters, driving wheel 921 is corresponding with piston 4, and have a radial detents 96 on the cam corresponding with piston 4 92 outer ring surfaces, in radial detents 96, be rotationally connected a boosting wheel 97, boosting wheel 97 rolls and is connected on piston 4 outer faces, as shown in Figure 3 or Figure 4, driven pulley 922 is corresponding with the upper surface of the tube axis of cone 7, the first horizontal rotating shaft 91 is positioned near on the driven pulley 922 of driving wheel 921, on the first horizontal rotating shaft 91, be set with one and can be with the automatically reset torsion spring 93 of moving cam 92, second horizontal rotating shaft 94 is installed at the middle part of driven pulley 922, the second horizontal rotating shaft 94 is parallel with the first horizontal rotating shaft 91, on the second horizontal rotating shaft 94, be rotationally connected one end of brace 95, the other end of brace 95 is rotatably connected on the tube axis of cone 7 medial extremitys, and between the end face of the lower edge of driven pulley 922 and the tube axis of cone 7 with the gap of 2mm, piston 4 can promote the tube axis of cone 7 by cam mechanism carry out tube processing in export mouth 8 exports to a tube assembly 12 thus.
During use, as shown in Figure 3 and Figure 4, constantly press the handle on oil pressure pump 1, oil pressure actuated piston 4 forward, piston 4 overhead driving wheels 921 clockwise rotate, driven pulley 922 promotes the tube axis of cone 7 when downward and after export mouth 8 stretches out, carries out tube processing, after tube completion of processing, open the pump switch on oil pressure pump 1, piston 4 resets under the effect of torsion spring 93, oil in oil pressure pump 1 is pushed back in oil bag, and cam 92 rotates counterclockwise, and brace 95 drives the tube axis of cone 7 to be upwards recycled in tube axis of cone container cavity 6 simultaneously.
Specific embodiment described herein is only to design of the present utility model explanation for example.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (8)
1. a hydraulic cam pipe-expander, comprise oil pressure pump (1), hydraulic cylinder cavity (2) in oil pressure pump (1) is upper to being connected to branch sleeve (3), in branch sleeve (3), slidably connect piston (4), the medial extremity of piston (4) is connected with hydraulic cylinder cavity (2), it is characterized in that: upper extension of branch sleeve (3) corresponding to described piston (4) outboard end, be provided with cam container cavity (5), cam container cavity (5) is being communicated with tube axis of cone container cavity (6), in cam container cavity (5), be provided with cam mechanism, in tube axis of cone container cavity (6), be provided with the tube axis of cone (7), piston (4) promotes the tube axis of cone (7) by cam mechanism and outside export mouth (8) extends to tube axis of cone container cavity (6), and on export mouth (8), be connected with tube the assembly (12) corresponding with promoting the tube axis of cone (7).
2. hydraulic cam pipe-expander according to claim 1, it is characterized in that: described cam mechanism comprises the first horizontal rotating shaft (91) being horizontally set with in cam container cavity (5), on the first horizontal rotating shaft (91), be rotationally connected the cam (92) of plate-like, slide and be connected on the outside end face of piston (4) in the upper one end near the first horizontal rotating shaft (91) of cam (92), the other end of cam (92) slides and is connected on the inner side end of the tube axis of cone (7).
3. hydraulic cam pipe-expander according to claim 2, it is characterized in that: on described the first horizontal rotating shaft (91), be provided with and can be with the automatically reset torsion spring of moving cam (92) (93), near on the cam (92) of the tube axis of cone (7), be provided with the second horizontal rotating shaft (94), on the second horizontal rotating shaft (94), be rotationally connected one end of brace (95), the other end of brace (95) is rotatably connected on the tube axis of cone (7) medial extremity.
4. hydraulic cam pipe-expander according to claim 3, is characterized in that: between the inner side end of described cam (92) and the tube axis of cone (7), be provided with gap.
5. according to the hydraulic cam pipe-expander described in any one in claim 1 to 4, it is characterized in that: described cam (92) comprises that driving wheel (921) and integral type extend in the driven pulley (922) of driving wheel (921) one sides, driving wheel (921) is corresponding with piston (4), driven pulley (922) is corresponding with the tube axis of cone (7), and the diameter of driving wheel (921) is less than the diameter of driven pulley (922).
6. according to the hydraulic cam pipe-expander described in any one in claim 1 to 4, it is characterized in that: on cam (92) outer ring surface corresponding with described piston (4), be provided with radial detents (96), in radial detents (96), be rotationally connected boosting wheel (97), boosting wheel (97) rolls and is connected on piston (4) outer face.
7. according to the hydraulic cam pipe-expander described in any one in claim 1 to 4, it is characterized in that: described piston (4) is vertical coplanar with the tube axis of cone (7), and cam container cavity (5) other end relative with export mouth (8) is provided with service ports (10).
8. according to the hydraulic cam pipe-expander described in any one in claim 1 to 4, it is characterized in that: between described hydraulic cylinder cavity (2) and branch sleeve (3), be provided with tube connector (11), hydraulic cylinder cavity (2) and branch sleeve (3) are screwed on tube connector (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566250.2U CN203495055U (en) | 2013-09-13 | 2013-09-13 | Hydraulic pipe expanding device for cam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566250.2U CN203495055U (en) | 2013-09-13 | 2013-09-13 | Hydraulic pipe expanding device for cam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203495055U true CN203495055U (en) | 2014-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320566250.2U Expired - Lifetime CN203495055U (en) | 2013-09-13 | 2013-09-13 | Hydraulic pipe expanding device for cam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203495055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649483A (en) * | 2021-07-26 | 2021-11-16 | 浙江飞越机电有限公司 | Multifunctional electric hydraulic pipe fitting machining tool |
-
2013
- 2013-09-13 CN CN201320566250.2U patent/CN203495055U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649483A (en) * | 2021-07-26 | 2021-11-16 | 浙江飞越机电有限公司 | Multifunctional electric hydraulic pipe fitting machining tool |
| CN113649483B (en) * | 2021-07-26 | 2024-04-26 | 浙江飞越机电有限公司 | Multifunctional electric hydraulic pipe fitting processing tool |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |
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| CX01 | Expiry of patent term |