CN216026853U - Pipe diameter self-adaptive cutter - Google Patents
Pipe diameter self-adaptive cutter Download PDFInfo
- Publication number
- CN216026853U CN216026853U CN202122544683.5U CN202122544683U CN216026853U CN 216026853 U CN216026853 U CN 216026853U CN 202122544683 U CN202122544683 U CN 202122544683U CN 216026853 U CN216026853 U CN 216026853U
- Authority
- CN
- China
- Prior art keywords
- cutter
- disc
- driving
- pipe diameter
- connecting piece
- Prior art date
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a pipe diameter self-adaptive cutter, which comprises a cutter module and a cutter driving module; the cutter driving module comprises a driving motor and a transmission shaft connected with a rotating shaft of the driving motor; the cutter module comprises a cutter assembly and a reducing driving mechanism; the cutter assembly comprises an outer cutter disc, an inner cutter disc, blades and a connecting piece; the outer cutter disc and the inner cutter disc are coaxially arranged; the blades are uniformly distributed along the circumferential direction of the outer cutter disc and are mutually hinged with the outer cutter disc; the connecting pieces are distributed between two adjacent blades, two ends of each connecting piece are respectively hinged to the two adjacent blades, and the middle parts of the connecting pieces are hinged to the inner cutter disc; the middle part of the outer cutter head is connected with the transmission shaft through a spline; the reducing driving mechanism comprises a rudder rack fixed on the transmission shaft and a steering engine arranged on the rudder rack and used for driving the inner cutter head to rotate relative to the outer cutter head; the cutter can adapt to different pipe diameters, so that the problem that the existing pipeline dredging cutter cannot adapt to different sizes of pipeline calibers is solved.
Description
Technical Field
The utility model relates to the field of pipeline dredging cutters, in particular to a pipe diameter self-adaptive cutter for pipeline dredging.
Background
With the research of the walking mechanism of the pipeline self-adaptive robot, more and more pipeline robots have the function of self-adapting to the pipe diameter, but the research of the research at home and abroad finds that most of the cutters in the market at present are firmware with the degree of freedom of 0, and the self-adaptive change of the cutters cannot be realized; however, complex pipe structures and external operating conditions require not only adaptive changes of the running gear but also of the tool.
Therefore, the research of the cutter capable of realizing the self-adaption to the change of the pipe diameter is of great significance.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model aims to develop a pipe diameter self-adaptive cutter which is suitable for pipeline dredging operation and can adapt to different pipe diameters, so as to solve the problem that the existing pipeline dredging cutter cannot adapt to pipe diameters of different specifications.
The pipe diameter self-adaptive cutter comprises a cutter module and a cutter driving module; the cutter driving module comprises a driving motor and a transmission shaft connected with a rotating shaft of the driving motor; the cutter module comprises a cutter assembly and a reducing driving mechanism; the cutter assembly comprises an outer cutter disc, an inner cutter disc, blades and a connecting piece; the outer cutter disc and the inner cutter disc are coaxially arranged; the blades are uniformly distributed along the circumferential direction of the outer cutter disc and are mutually hinged with the outer cutter disc; the connecting pieces are distributed between two adjacent blades, two ends of each connecting piece are respectively hinged to the two adjacent blades, and the middle parts of the connecting pieces are hinged to the inner cutter disc; the middle part of the outer cutter head is connected with the transmission shaft through a spline; the reducing driving mechanism comprises a rudder rack fixed on the transmission shaft and a steering engine arranged on the rudder rack and used for driving the inner cutter head to rotate relative to the outer cutter head.
Furthermore, the blades and the connecting pieces are evenly distributed with 3 blades along the circumferential direction of the cutter head.
Further, the connecting piece is a 120-degree bending rod with a symmetrical structure.
Further, the steering engine drives the inner cutter head to rotate through a gear pair; the gear pair comprises a driving gear fixedly installed on a rotating shaft of the steering engine and a driven gear fixedly installed on the inner cutter head.
Furthermore, a plurality of installing seats uniformly distributed along the circumferential direction are integrally formed on the outer edges of the outer cutter head and the inner cutter head, and the installing seats are hinged with the blades or the connecting pieces.
Furthermore, the blade edge side of the blade is provided with sawteeth.
The utility model has the beneficial effects that: the utility model designs a three-wheel leg type cutter topological structure by adopting a parallelogram principle, and three wheel leg type blades are always symmetrical with a rotation center, so that the cutter has stability when the diameter is changed; the cutter can control the inner secondary gear mechanism to drive the inner cutter disc to rotate relative to the outer cutter disc through the external steering engine so as to realize the diameter reduction of the cutter, thereby realizing the self-adaptation of the cutter to the pipe diameter.
Drawings
The utility model is further described below with reference to the following figures and examples:
FIG. 1 is a schematic view of the overall structure of a pipe diameter adaptive cutter according to the present invention;
fig. 2(a) and 2(b) are schematic structural views of the cutter module of the utility model;
fig. 3(a) and 3(b) are schematic structural views of the reducing drive mechanism of the present invention.
Detailed Description
As shown in fig. 1, a pipe diameter adaptive cutter of the present embodiment includes a cutter module 1 and a cutter driving module 2;
the cutter driving module 2 comprises a driving motor 2-5 and a transmission shaft 2-1 connected to a rotating shaft of the driving motor 2-5 through a coupler 2-9;
the cutter module 1 comprises a cutter assembly and a reducing driving mechanism; as shown in fig. 2, the cutter assembly comprises an outer cutter head 1-3, an inner cutter head 1-5, a blade 1-1 and a connecting piece 1-2; the outer cutter head 1-3 and the inner cutter head 1-5 are coaxially arranged, and three uniformly distributed mounting seats are integrally formed on the outer edges of the outer cutter head 1-3 and the inner cutter head 1-5; the three blades 1-1 are uniformly distributed along the circumferential direction of the outer cutter head 1-3 and are mutually hinged with the outer cutter head 1-3 through three screws 1-4 arranged on the mounting seat; the blade 1-1 comprises a mounting part and a cutting part, three hole sites are arranged on the mounting part and are respectively hinged with the connecting piece 1-2 and a mounting seat on the outer cutter head 1-3, and the cutting edge of the cutting part is in a sawtooth shape; the three connecting pieces 1-2 are distributed between the two adjacent blades 1-1; the connecting piece 1-2 adopts a 120-degree bending rod with a symmetrical structure, two ends of the connecting piece are respectively hinged to two adjacent blades 1-1 through screws 1-4, and the middle point of the connecting piece is hinged to the mounting seat of the inner cutter head 1-5 through a hinge shaft 1-6/2-6; the middle part of the outer cutter head 1-3 is provided with a spline hole and is connected with the transmission shaft 2-1 through a spline; and a rolling bearing 2-2 is arranged between the inner cutter head 1-5 and the transmission shaft to reduce the resistance of the inner cutter head in rotation.
As shown in fig. 3, the reducing driving mechanism comprises a steering engine frame 2-3 fixed on the transmission shaft 2-1 and a steering engine 2-4 arranged on the steering engine frame 2-3 and used for driving the inner cutter head 1-5 to rotate relative to the outer cutter head 1-3. The bottom of the inner cutter head 1-5 is fixedly provided with a driven gear 2-7, a gear rolling bearing 2-8 is arranged between the driven gear 2-7 and the transmission shaft 2-1, and a rotating shaft of the steering engine is fixedly provided with a driving gear 2-10 engaged with the driven gear 2-7; the steering engine can drive the inner cutterhead 1-5 to rotate relative to the outer cutterhead 1-3 through the gear pair.
When the cutter is used for dredging in a pipeline, the driving motor 2-5 of the cutter driving module 2 drives the outer cutter head 1-3 and the rudder rack 2-3 to synchronously rotate through the transmission shaft 2-1, and further drives the whole cutter module 1 to rotate around the axis of the driving shaft. When the cutting radius of the cutter needs to be adjusted, the steering engine 2-4 is started and drives the inner cutter head 1-5 to rotate relative to the outer cutter head 1-3 through the gear pair; the inner cutter head 1-5 drives the three blades 1-1 to be synchronously unfolded or folded through the connecting piece 1-2, so that the purpose of reducing diameter is achieved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. A pipe diameter self-adaptation cutter which characterized in that: comprises a cutter module and a cutter driving module;
the cutter driving module comprises a driving motor and a transmission shaft connected with a rotating shaft of the driving motor;
the cutter module comprises a cutter assembly and a reducing driving mechanism; the cutter assembly comprises an outer cutter disc, an inner cutter disc, blades and a connecting piece; the outer cutter disc and the inner cutter disc are coaxially arranged; the blades are uniformly distributed along the circumferential direction of the outer cutter disc and are mutually hinged with the outer cutter disc; the connecting pieces are distributed between two adjacent blades, two ends of each connecting piece are respectively hinged to the two adjacent blades, and the middle parts of the connecting pieces are hinged to the inner cutter disc; the middle part of the outer cutter head is connected with the transmission shaft through a spline; the reducing driving mechanism comprises a rudder rack fixed on the transmission shaft and a steering engine arranged on the rudder rack and used for driving the inner cutter head to rotate relative to the outer cutter head.
2. The pipe diameter self-adaptive cutter according to claim 1, characterized in that: the blade and connecting piece have 3 along blade disc circumference evenly distributed.
3. The pipe diameter self-adaptive cutter according to claim 2, characterized in that: the connecting piece is a 120-degree bending rod with a symmetrical structure.
4. The pipe diameter self-adaptive cutter according to claim 3, characterized in that: the steering engine drives the inner cutter head to rotate through the gear pair; the gear pair comprises a driving gear fixedly installed on a rotating shaft of the steering engine and a driven gear fixedly installed on the inner cutter head.
5. The pipe diameter self-adaptation cutter of claim 4, characterized in that: the outer edge of outer blade disc and interior blade disc is gone up integrated into one piece and is had a plurality of mount pads along circumference equipartition to realize articulating through this mount pad and blade or connecting piece.
6. The pipe diameter self-adaptation cutter of claim 5, characterized in that: the blade edge side of the blade is provided with sawteeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122544683.5U CN216026853U (en) | 2021-10-20 | 2021-10-20 | Pipe diameter self-adaptive cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122544683.5U CN216026853U (en) | 2021-10-20 | 2021-10-20 | Pipe diameter self-adaptive cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216026853U true CN216026853U (en) | 2022-03-15 |
Family
ID=80549801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122544683.5U Active CN216026853U (en) | 2021-10-20 | 2021-10-20 | Pipe diameter self-adaptive cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216026853U (en) |
-
2021
- 2021-10-20 CN CN202122544683.5U patent/CN216026853U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2017219115B2 (en) | Coupled compound planetary transmission for a wheel unit | |
| CN102069495B (en) | Parallel robot | |
| US4877098A (en) | Automatic road wheel steering system | |
| JPH0641117B2 (en) | Robot wrist device | |
| KR102595738B1 (en) | Electric scissor blade bi-directional driving apparatus and electric scissors | |
| CN110843414A (en) | Variable-diameter wheel and moving device | |
| CN102887058B (en) | Speed reducing type electric drive system in integrated McPherson hanger bracket wheel | |
| CN216026853U (en) | Pipe diameter self-adaptive cutter | |
| CN102785566A (en) | Integrated double-cross arm suspension wheel side electric driving system for steering wheel | |
| CN111204466A (en) | Cross double-rotor unmanned helicopter and gear transmission system thereof | |
| CN210413876U (en) | Chamfering machine for automobile inhaul cable hose | |
| CN208703031U (en) | A kind of Pneumatic high-power gyrator deceleration mechanism | |
| CN111674200B (en) | Peripheral translation type four-bar mechanism deformation wheel | |
| CN210526848U (en) | Tail pipe transmission device of unmanned helicopter | |
| CN210011086U (en) | Driving mechanism of multi-band saw | |
| CN210133211U (en) | Differential driving device | |
| CN212429490U (en) | Low-temperature transmission shaft | |
| CN220254291U (en) | Motor suspension structure of industrial fan | |
| CN219388534U (en) | Speed reducer for transfer robot | |
| CN204900728U (en) | 90 degree transposition transmission | |
| CN214025777U (en) | Joint motor reducer mounting structure, mechanical arm joint and mechanical arm | |
| CN210757696U (en) | Wheel body lifting mechanism of multi-foot wheeled robot | |
| CN220268252U (en) | Transmission shaft assembly | |
| CN218425982U (en) | Sawing machine clamping device capable of adjusting machining angle | |
| CN210818247U (en) | Make things convenient for cylindric work piece to rotate auxiliary device of spot welding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |