CN113147937A - Tensioning mechanism and engineering mechanical equipment - Google Patents
Tensioning mechanism and engineering mechanical equipment Download PDFInfo
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- CN113147937A CN113147937A CN202110436337.7A CN202110436337A CN113147937A CN 113147937 A CN113147937 A CN 113147937A CN 202110436337 A CN202110436337 A CN 202110436337A CN 113147937 A CN113147937 A CN 113147937A
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- tensioning
- tensioning mechanism
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- cam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/30—Track-tensioning means
- B62D55/305—Track-tensioning means acting on pivotably mounted idlers
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The invention provides a tensioning mechanism and engineering mechanical equipment, which belong to the technical field of engineering mechanical equipment, and comprise: the mounting frame is provided with a through groove suitable for sliding and a guide groove communicated with the through groove; the driving piece is arranged in the guide groove in a sliding mode and is suitable for penetrating through the guide groove and being in contact and abutting joint with the part to be tensioned; the tensioning cam is eccentrically and rotationally connected to the mounting frame through the first rotating piece and is in contact and abutting connection with the driving piece. The tensioning cam provided by the invention pushes the driving part to slide along the guide groove through eccentric rotation, and the driving part is directly or indirectly abutted against the part to be tensioned, so that the part to be tensioned is tensioned; the tensioning structure pushes the driving piece to act through rotation of the tensioning cam, so that oil is injected into the oil cylinder to drive the piston to stretch and retract, the structure is simple, the cost is low, and the influence on other parts caused by oil leakage is avoided.
Description
Technical Field
The invention relates to the technical field of engineering mechanical equipment, in particular to a tensioning mechanism and engineering mechanical equipment.
Background
When the excavator is used in one stage, the track plate or the track chain pitch is extended due to the abrasion of the track chain and the driving wheel, so that the track cannot keep a certain tension degree and is bent downwards, the phenomena of track frame abrasion, derailment, chain falling and the like are easy to occur, and the track walking device cannot work normally.
At present, a tensioning device is in a telescopic mode of an oil cylinder piston, and a driving wheel is dragged to move through the piston to achieve tensioning of a track. When tensioning, need inject the butter into the hydro-cylinder, not only structure is complicated, with high costs to the phenomenon of oil leak, pollution other spare parts appears easily, refuels the loaded down with trivial details problem of process.
Disclosure of Invention
Therefore, the invention aims to overcome the defects that the tensioning device in the prior art is in a cylinder piston telescopic mode, has a complex structure and high cost, and is easy to leak oil, and provides the tensioning mechanism and the engineering mechanical equipment.
In order to solve the above technical problem, the present invention provides a tension mechanism, including:
the mounting frame is provided with a through groove suitable for sliding and a guide groove communicated with the through groove;
the driving piece is arranged in the guide groove in a sliding mode and is suitable for penetrating through the guide groove and being in contact and abutting joint with the part to be tensioned;
the tensioning cam is eccentrically and rotationally connected to the mounting frame through the first rotating piece and is in contact and abutting connection with the driving piece.
Preferably, the method further comprises the following steps:
and the locking assembly is arranged on the mounting frame and is provided with a locking piece which is suitable for being locked with the tensioning cam in a rotating way.
Preferably, the locking assembly is a mechanical self-locking structure, and the locking piece elastically locks the tensioning cam.
Preferably, the locking assembly comprises:
the ratchet wheel is concentrically sleeved on the first rotating piece;
the pawl is rotatably connected to the mounting rack through a second rotating piece and is rotationally clamped with the outer teeth of the ratchet wheel;
the torsional spring, the cover is established on the second rotates the piece, and one end is connected on the mounting bracket, the other end is connected on the pawl, the torsional spring enables the pawl joint is in on the external tooth of ratchet.
Preferably, the method further comprises the following steps:
a dust cover connected to the mounting bracket, the locking assembly being housed inside the dust cover.
Preferably, the first rotating member is a stepped shaft and comprises a light shaft section and a threaded section, and the diameter of the light shaft section is larger than that of the threaded section; the tensioning cam is sleeved on the threaded section, one end of the tensioning cam is abutted to the optical axis section, and the other end of the tensioning cam is locked through a fastening piece.
Preferably, the driving piece is provided with a limiting table protruding out of the circumferential direction of the driving piece, and the cross section of the limiting table is larger than the caliber of the guide groove.
Preferably, the first rotating member has a protruding end protruding out of the mounting bracket, and the protruding end is provided with an inner hexagonal groove recessed inwards.
Preferably, the driving part is in contact and abutting contact with the part to be tensioned through a guide wheel, and the guide wheel is arranged in the through groove of the mounting frame in a sliding mode through a connecting piece.
A construction machinery device is provided with the tensioning mechanism in any one of the above aspects.
The technical scheme of the invention has the following advantages:
1. according to the tensioning mechanism provided by the invention, the tensioning cam pushes the driving part to slide along the guide groove through eccentric rotation, and the driving part is directly or indirectly abutted against the part to be tensioned, so that the part to be tensioned is tensioned; the tensioning structure pushes the driving piece to act by rotating the tensioning cam, so that oil is injected into the oil cylinder to drive the piston to stretch and retract, the structure is simple, the cost is low, and the influence on other parts caused by oil leakage is avoided; meanwhile, the complicated operation of oil filling driving of the tensioning mechanism is avoided.
2. According to the tensioning mechanism provided by the invention, the tensioning cam is mechanically locked through the locking piece, so that the tensioning cam is prevented from reversely rotating.
3. According to the tensioning mechanism provided by the invention, the ratchet wheel and the pawl form a one-way intermittent motion mechanism, the ratchet wheel pushes the pawl to rotate synchronously in one way, and the pawl is elastically clamped on the ratchet wheel to prevent the ratchet wheel from reversing; the ratchet wheel and the pawl are automatically matched and locked, other power elements are not required to be added, the operation is easy, and the cost is low.
4. According to the tensioning mechanism provided by the invention, the dust cover protects the locking assembly, and the locking of the tensioning cam caused by the influence of external factors is avoided.
5. According to the tensioning mechanism provided by the invention, the driving piece limits the moving range of the driving piece through the limiting table, so that the tensioning failure caused by over-tensioning of the part to be tensioned is avoided.
6. According to the tensioning mechanism provided by the invention, the internal hexagonal wrench is inserted into the end part of the first rotating part, so that the manual rotation operation of the tensioning cam is realized, and the tensioning mechanism is simple in structure and easy to operate.
7. According to the tensioning mechanism provided by the invention, the guide wheel supports and guides the part to be tensioned while abutting and tensioning the part to be tensioned.
8. The construction machinery equipment provided by the invention has the advantages of any one of the above aspects due to the tensioning mechanism of any one of the above aspects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of the internal structure of the tension mechanism provided in the present invention.
Fig. 2 is a schematic view of the position relationship between the first rotating member and the tension cam.
Fig. 3 is a schematic view of the positional relationship of the driver and the tension cam.
Fig. 4 is an external structural view of the tension mechanism.
Description of reference numerals:
1. a mounting frame; 2. a drive member; 3. a tensioning cam; 4. a through groove; 5. a guide groove; 6. a first rotating member; 7. a fastener; 8. a connecting member; 9. a limiting table; 10. an inner hexagonal groove; 11. a ratchet wheel; 12. a pawl; 13. a torsion spring; 14. a second rotating member; 15. a dust cover; 16. a guide wheel.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The tensioning mechanism that this embodiment provided includes: mounting bracket 1, driver 2 and tensioning cam 3.
In the embodiment of the present application, the mounting bracket 1 has a through slot 4 adapted to slide and a guide slot 5 communicating with the through slot 4.
As shown in fig. 1 and fig. 2, the mounting bracket 1 is a frame structure formed by welding plate members, the bottom surface of the mounting bracket 1 is suitable for mounting and fixing, and a receiving cavity is formed inside the mounting bracket 1; the mounting frame 1 is provided with a guide end which is suitable for facing the part to be tensioned and is provided with a through groove 4 with an opening which is suitable for facing the part to be tensioned; the guide end is provided with a guide groove 5, and the guide groove 5 is communicated between the accommodating cavity of the mounting frame 1 and the through groove 4. Wherein, a guide wheel 16 is arranged in the through groove 4 in a sliding way.
As an alternative embodiment, the mounting frame 1 is a frame structure formed by welding square pipes or round pipes; the through groove 4 and the guide groove 5 are formed by welding square pipes or round pipes.
And the driving piece 2 is arranged in the guide groove 5 in a sliding manner, is suitable for penetrating through the guide groove 5 and is in contact and abutting contact with the part to be tensioned.
As shown in fig. 1 and 4, the driving member 2 is a driving rod, and is slidably disposed in the guide slot 5 of the mounting bracket 1, one end of the driving member 2 is in contact and abutment with the tensioning cam 3, and the other end of the driving member 2 is adapted to be in contact and abutment with the guide wheel 16.
As an alternative, the drive element 2 can be a rectangular block with a projecting end which projects into the guide slot 5.
The tensioning cam 3 is eccentrically and rotationally connected to the mounting frame 1 through a first rotating piece 6, and the tensioning cam 3 is in contact and butt joint with the driving piece 2.
As shown in fig. 2 and 3, one end of the first rotating member 6 vertically extends into the accommodating cavity of the mounting bracket 1 and is rotatably connected with the side wall of the mounting bracket 1, and the other end is located outside the accommodating cavity and is rotatably connected with the side wall of the mounting bracket 1; the tensioning cam 3 is fixedly sleeved in the middle of the first rotating part 6, and the first rotating part 6 can drive the tensioning cam 3 to rotate synchronously.
The tensioning cam 3 in the embodiment pushes the driving part 2 to slide along the guide groove 5 through eccentric rotation, and the driving part 2 is directly or indirectly abutted against the part to be tensioned, so that the part to be tensioned is tensioned; the tensioning structure pushes the driving piece 2 to act through the rotation of the tensioning cam 3 to replace the oil injection into the oil cylinder to drive the piston to stretch and retract, the structure is simple, the cost is low, and the influence on other parts caused by oil leakage is avoided; meanwhile, the complicated operation of oil filling driving of the tensioning mechanism is avoided.
In a preferred embodiment of the present application, the tensioning mechanism further comprises:
and the locking assembly is arranged on the mounting frame 1 and is provided with a locking piece which is suitable for rotationally locking with the tensioning cam 3.
The locking assembly can electrically lock the tensioning cam 3 and can be driven and locked by a driving mode such as a motor and an electric cylinder. The first specific implementation mode is as follows: the locking piece is a first gear concentrically sleeved on the first rotating piece 6, a second gear rotatably arranged on the mounting rack is arranged, and the second gear is meshed with the first gear; the second gear is driven by a motor, and the second gear is used for meshing and driving the first gear, so that the tensioning cam 3 is positioned and locked. The second embodiment is as follows: the first rotating member 6 can be directly connected with the output end of the motor, the rotation of the first rotating member 6 is realized through the rotation of the motor, and meanwhile, the position locking of the first rotating member 6 can also be controlled.
The locking assembly can mechanically lock the tensioning cam 3 and can be locked and positioned in a manual operation mode. The first specific implementation mode is as follows: a positioning disc is concentrically sleeved on the first rotating member 6, a plurality of positioning holes are formed in the positioning disc, and locking holes corresponding to the positioning holes are formed in the mounting frame; the first rotating part 6 is limited by sequentially penetrating through the positioning hole and the locking hole through a screw or a pin, and the tensioning cam 3 is positioned and locked.
When the tensioning cam 3 rotates to a preset position, the locking assembly can be used for positioning and locking the tensioning cam 3 through the locking piece, so that the tensioning cam 3 is prevented from reversely rotating, and the tensioning cam 3 is tightly abutted to the part to be tensioned.
In a preferred embodiment of the application, the locking assembly is a mechanical self-locking structure, and the locking member elastically locks the tensioning cam 3.
The locking assembly is locked through a mechanical self-locking structure of the locking assembly, no additional power element is needed to be added, and the tensioning cam 3 is locked in the rotating process, so that the structure is simple, the operation is easy, and the cost is low.
In a preferred embodiment of the present application, the locking assembly comprises:
the ratchet wheel 11 is concentrically sleeved on the first rotating piece 6.
The pawl 12 is rotatably connected to the mounting rack 1 through a second rotating piece 14, and the pawl 12 is rotationally clamped with the outer teeth of the ratchet wheel 11.
As shown in fig. 2 and 3, the ratchet wheel 11 is matched with the pawl 12 to realize self-locking. The ratchet wheel 11 is concentrically sleeved on the first rotating part 6, and the ratchet wheel 11 and the first rotating part 6 rotate synchronously; the pawls 12 are arranged at intervals around the circumference of the ratchet wheel 11, the pawls 12 are rotatably connected to the side wall of the mounting rack 1 through second rotating parts 14, and the second rotating parts 14 are rotating rods; the number of the pawls 12 ranges from 1 to 4, and each pawl 12 is provided with a clamping end matched with the outer teeth of the ratchet wheel 11; the torsion spring 13 is sleeved on the second rotating part 14, one end of the torsion spring 13 is connected to the mounting frame 1, the other end of the torsion spring 13 is connected to the pawl 12, and the torsion spring 13 enables the pawl 12 to be clamped on the outer teeth of the ratchet wheel 11; the ratchet wheel 11 pushes the pawl 12 to rotate synchronously in a single direction, the pawl 12 is elastically clamped on the ratchet wheel 11 to prevent the ratchet wheel 11 from reversing, and automatic locking and limiting of the tensioning cam 3 are achieved.
In a preferred embodiment of the present application, the first rotating member 6 has a protruding end protruding out of the mounting bracket 1, and the protruding end has an inwardly recessed hexagonal socket 10.
As an alternative, a knob may be sleeved on the extending end of the first rotating member 6, and the first rotating member 6 is driven to rotate by manually rotating the knob. Wherein, the outer wall of knob is rolled on and is pressed there is the decorative pattern, the phenomenon of skidding is avoided to the decorative pattern.
As shown in fig. 3 and 4, the first rotating member 6 has a protruding end protruding out of the accommodating cavity inside the mounting bracket 1, the protruding end has an inwardly recessed inner hexagonal groove 10, and the inner hexagonal groove 10 is adapted to be inserted with an inner hexagonal wrench; the first rotating part 6 is rotated through an inner hexagonal wrench to drive the tensioning cam 3 to rotate, and the driving part 2 is pushed to drive the guide wheel 16 to tension the part to be tensioned.
The internal hexagonal wrench realizes the manual rotation operation of the tensioning cam by stretching into the internal hexagonal groove 10, and has the advantages of simple structure, easy operation and low cost.
In a preferred embodiment of the present application, the method further comprises:
a dust cover 15 attached to the mounting bracket 1, the locking assembly being received within the dust cover 15.
As shown in fig. 2 and 3, the dust cover 15 has a lifting lug attached to the mounting bracket 1, and the dust cover 15 is fixedly connected to the mounting bracket 1 and covers the outside of the locking assembly; the dust cover 15 is provided with a through hole concentric with the first rotating member 6, and an inner hexagonal wrench penetrates through the through hole to enter the inner hexagonal groove 10 of the first rotating member 6, so that the first rotating member 6 is rotated. Wherein, the dust cover is of a rectangular structure or a disc-shaped structure.
The dust cover 15 protects the locking assembly and prevents the tensioning cam 3 from being locked due to the influence of external factors.
In a preferred embodiment of the present application, the first rotating member 6 is a stepped shaft, and includes a smooth shaft section and a threaded section, wherein the diameter of the smooth shaft section is larger than that of the threaded section; the tensioning cam 3 is sleeved on the thread section, one end of the tensioning cam 3 is abutted to the optical axis section, and the other end of the tensioning cam 3 is locked through a fastening piece 7. Wherein the fastener 7 is a nut.
As shown in fig. 2 and 3, the first rotating member 6 is a stepped shaft, and includes a smooth shaft section and a threaded section, and the diameter of the smooth shaft section is greater than that of the threaded section; the length of the optical axis section is consistent with that of the threaded section, and part of the optical axis section extends out of the accommodating cavity of the mounting rack 1; the tensioning cam 3 is sleeved on the threaded section, so that the tensioning cam 3 is located in the middle of the accommodating cavity.
As an alternative embodiment, the first rotating member 6 is a screw, and two ends of the screw thread are optical axes; the screw rod is connected through the optical axis rotation at both ends on the mounting bracket 1, 3 covers of tensioning cam are established the middle part of screw rod, the both ends of tensioning cam 3 carry out spacing locking through the nut.
In a preferred embodiment of the application, the driver 2 has a stop 9 protruding from its circumference, the cross-sectional dimension of the stop 9 being larger than the diameter of the guide groove 5.
As shown in fig. 1 and 4, the driving member 2 is of a rod structure, the driving member 2 has a limiting table 9 extending outward around the circumference of the driving member, the limiting table 9 is integrally formed on the driving member 2, and the cross-sectional dimension of the limiting table 9 is greater than the caliber of the guide groove 5; the driving piece 2 limits the moving range of the driving piece through the limiting table 9, and the phenomenon that the part to be tensioned is over-tensioned to cause tensioning failure is avoided. The guide wheel plays a role in supporting and guiding the part to be tensioned while abutting and tensioning the part to be tensioned.
The limiting table 9 on the driving member 2 can be circular, square, triangular, etc.
As an alternative embodiment, the driving member 2 is a cylindrical structure with a constant diameter, and the middle part of the driving member 2 is provided with a thread; the limiting table 9 is of a cylindrical structure with internal threads, and the limiting table 9 is connected to the driving piece 2 through threads; the limiting table 9 with different specifications can be replaced according to the caliber of the guide groove 5.
In a preferred embodiment of the present application, the driving member 2 is in contact abutment with the portion to be tensioned via a guide wheel 16, and the guide wheel 16 is slidably disposed in the through slot 4 of the mounting bracket 1 via a connecting member 8.
As shown in fig. 1 and 4, the through groove 4 of the mounting bracket 1 is through from top to bottom, two inner side surfaces of the through groove 4 are respectively provided with a sliding groove, and the guide wheel 16 is slidably arranged in the sliding groove through the connecting piece 8; the connecting piece 8 is U type structure, the left and right sides slip joint of connecting piece 8 is in the sliding tray.
The connecting piece 8 can adopt a U-shaped pipe, a U-shaped plate and a U-shaped seat, and the sliding groove can adopt a corresponding arc structure or a rectangular structure.
The working principle is as follows:
as shown in fig. 1, the tension cam 3 is in contact abutment with one end of the driver 2;
the tensioning cam 3 rotates clockwise, pushing the driving element 2 to slide towards the guide wheel 16, bringing the driving element 2 into contact abutment with the guide wheel 16;
the tensioning cam 3 continues to rotate clockwise, so that the driving piece 2 pushes the guide wheel 16 to vertically abut against the part to be tensioned.
Example 2
The embodiment provides an engineering mechanical device, which comprises at least one of conveying belts such as a chain, a belt, a crawler belt and a synchronous belt; the engineering mechanical equipment is provided with the tensioning mechanism in embodiment 1, and the tensioning mechanism can tension the conveyor belt through the guide wheel 16; the engineering mechanical equipment comprises an excavator, a bulldozer, a crawler crane, a paver and the like.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A tensioning mechanism, comprising:
the mounting frame (1) is provided with a through groove (4) suitable for sliding and a guide groove (5) communicated with the through groove (4);
the driving piece (2) is arranged in the guide groove (5) in a sliding mode, is suitable for penetrating through the guide groove (5) and is in contact and abutting contact with the part to be tensioned;
the tensioning cam (3) is eccentrically and rotationally connected to the mounting frame (1) through a first rotating piece (6), and the tensioning cam (3) is in contact and abutted with the driving piece (2).
2. The tensioning mechanism of claim 1, further comprising:
the locking assembly is arranged on the mounting frame (1) and is provided with a locking piece which is suitable for being rotationally locked with the tensioning cam (3).
3. Tensioning mechanism according to claim 2, characterized in that the locking assembly is a mechanical self-locking structure, the locking element elastically locking the tensioning cam (3).
4. The tensioning mechanism of claim 3, wherein the locking assembly comprises:
the ratchet wheel (11) is concentrically sleeved on the first rotating piece (6);
the pawl (12) is rotatably connected to the mounting rack (1) through a second rotating piece (14), and the pawl (12) is rotatably clamped with the outer teeth of the ratchet wheel (11);
torsional spring (13), the cover is established the second rotates on piece (14), and one end is connected on mounting bracket (1), the other end is connected on pawl (12), torsional spring (13) enable pawl (12) joint is in on the external tooth of ratchet (11).
5. The tensioning mechanism of claim 2, further comprising:
a dust cover (15) attached to the mounting bracket (1), the locking assembly being housed inside the dust cover (15).
6. The tensioning mechanism according to claim 1, characterized in that the first rotating member (6) is a stepped shaft comprising a smooth shaft section and a threaded section, the smooth shaft section having a diameter larger than the threaded section; the tensioning cam (3) is sleeved on the thread section, one end of the tensioning cam (3) is abutted to the optical axis section, and the other end of the tensioning cam is locked through a fastening piece (7).
7. Tensioning mechanism according to claim 1, characterized in that the drive element (2) has a stop (9) protruding beyond its circumference, the cross-sectional dimension of the stop (9) being greater than the caliber of the guide groove (5).
8. A tensioning mechanism according to claim 1, characterized in that the first rotating member (6) has a projecting end projecting beyond the mounting bracket (1), said projecting end having an inwardly recessed internal hexagonal groove (10) therein.
9. The tensioning mechanism according to claim 1, characterized in that the driving member (2) is in contact abutment with the portion to be tensioned via a guide wheel (16), the guide wheel (16) being slidably arranged in a through slot (4) of the mounting frame (1) via a connecting member (8).
10. A working machine apparatus, characterized by having a tensioning mechanism according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110436337.7A CN113147937A (en) | 2021-04-22 | 2021-04-22 | Tensioning mechanism and engineering mechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110436337.7A CN113147937A (en) | 2021-04-22 | 2021-04-22 | Tensioning mechanism and engineering mechanical equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113147937A true CN113147937A (en) | 2021-07-23 |
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ID=76869425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110436337.7A Pending CN113147937A (en) | 2021-04-22 | 2021-04-22 | Tensioning mechanism and engineering mechanical equipment |
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| CN (1) | CN113147937A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254999A (en) * | 2004-03-11 | 2005-09-22 | Komatsu Zenoah Co | Crawler stretching adjustment device |
| CN104875797A (en) * | 2015-05-04 | 2015-09-02 | 国家电网公司 | Linear motor controlled retractable obstacle-crossing support arm and obstacle-crossing robot |
| CN206539664U (en) * | 2017-02-28 | 2017-10-03 | 长城汽车股份有限公司 | Automatic tensioner |
| CN207595096U (en) * | 2017-12-07 | 2018-07-10 | 极创机器人科技有限公司 | A kind of crawler body eccentric wheel tension device |
| CN109250400A (en) * | 2018-09-21 | 2019-01-22 | 武汉资联虹康科技股份有限公司 | A kind of band/chain apparatus and the general strainer of band/chain |
| CN210416792U (en) * | 2019-08-15 | 2020-04-28 | 北京凌天世纪控股股份有限公司 | Four-wheel-drive tracked robot moving chassis damping device and walking mechanism |
-
2021
- 2021-04-22 CN CN202110436337.7A patent/CN113147937A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254999A (en) * | 2004-03-11 | 2005-09-22 | Komatsu Zenoah Co | Crawler stretching adjustment device |
| CN104875797A (en) * | 2015-05-04 | 2015-09-02 | 国家电网公司 | Linear motor controlled retractable obstacle-crossing support arm and obstacle-crossing robot |
| CN206539664U (en) * | 2017-02-28 | 2017-10-03 | 长城汽车股份有限公司 | Automatic tensioner |
| CN207595096U (en) * | 2017-12-07 | 2018-07-10 | 极创机器人科技有限公司 | A kind of crawler body eccentric wheel tension device |
| CN109250400A (en) * | 2018-09-21 | 2019-01-22 | 武汉资联虹康科技股份有限公司 | A kind of band/chain apparatus and the general strainer of band/chain |
| CN210416792U (en) * | 2019-08-15 | 2020-04-28 | 北京凌天世纪控股股份有限公司 | Four-wheel-drive tracked robot moving chassis damping device and walking mechanism |
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