CN215326609U - Support device for hydraulic machine - Google Patents
Support device for hydraulic machine Download PDFInfo
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- CN215326609U CN215326609U CN202120953904.1U CN202120953904U CN215326609U CN 215326609 U CN215326609 U CN 215326609U CN 202120953904 U CN202120953904 U CN 202120953904U CN 215326609 U CN215326609 U CN 215326609U
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- 230000005540 biological transmission Effects 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 238000005242 forging Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the technical field of hydraulic machines, and particularly relates to a supporting device for a hydraulic machine. The universal wheel comprises a roller and a wheel carrier, the roller is arranged at the lower end of the wheel carrier, and the upper end of the wheel carrier is rotationally connected with the base by taking the vertical central line as a rotation center. The hydraulic machine is fixedly arranged on the base, the driving assembly provides driving power for each universal wheel, and the steering assembly controls the direction of the universal wheels. When the hydraulic press does not need to move, each steering assembly controls the direction of one universal wheel, each universal wheel is aligned to the center of the plurality of universal wheels, the plurality of universal wheels form self-locking, the stability of the hydraulic press is guaranteed, the gravity of the hydraulic press can be borne while the hydraulic press is moved conveniently, the deviation cannot occur, and the position is fixed.
Description
Technical Field
The utility model belongs to the technical field of hydraulic machines, and particularly relates to a supporting device for a hydraulic machine.
Background
A hydraulic machine is a machine that uses liquid as a working medium to transfer energy to implement various processes. The hydraulic press can be used for forging and forming, straightening, press fitting, packing, pressing blocks, pressing plates and the like. The hydraulic machine comprises a hydraulic press and an oil press. The hydraulic press using water-based liquid as working medium and the hydraulic press using oil as working medium. The specifications of hydraulic machines are generally expressed in terms of nominal working force (kilonewtons) or nominal tonnage (tons). Most hydraulic machines for forging are hydraulic machines, and the tonnage is higher. In order to reduce the size of the equipment, a large forging hydraulic press usually adopts higher pressure (about 35 MPa) and sometimes adopts ultrahigh pressure of more than 100 MPa. The hydraulic machine for other purposes generally adopts the working pressure of 6-25 MPa, and the self weight of the hydraulic machine is also heavy.
Patent publication No. CN209616456U discloses a hydraulic press safety support device for producing bulletproof helmets. The hydraulic press can produce huge impact force when the helmet is subjected to punch forming, and the whole hydraulic press is rocked and is easy to turn on one's side due to the overhigh height of the hydraulic press, so that production accidents are easy to cause. The utility model relates to a hydraulic press safety supporting device for producing a bulletproof helmet, wherein: the pneumatic cylinder is fixed at last diaphragm top, the pneumatic cylinder output is equipped with the push rod, push rod one end and top board top fixed connection, the fixed axle sleeve that is equipped with in top board both sides, the guide post cover in the axle sleeve with axle sleeve sliding fit, the locking cover is equipped with the internal thread, pole one end is equipped with the external screw thread respectively in loop bar and the interior pole, the lock sleeve through with loop bar and interior pole threaded connection with loop bar and interior pole fixed connection, interior pole other end and backup pad bottom fixed connection, the loop bar other end and locking piece top fixed connection, the locking piece is equipped with the via hole. The device simple structure, it is effectual to support, and the practicality is strong. However, the following problems still exist:
the supporting device of the existing hydraulic machine is very inconvenient to move, and when the hydraulic machine works, the position of the movable supporting device is easy to shake.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a supporting device for a hydraulic machine, which is used for solving the problems that the supporting device of the existing hydraulic machine is very inconvenient to move, and the position of the movable supporting device is easy to shake when the hydraulic machine works.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the supporting device for the hydraulic machine comprises a base, wherein at least three universal wheels are uniformly distributed below the base, and each universal wheel is provided with a steering assembly and a driving assembly.
The universal wheel comprises a roller and a wheel carrier, the roller is arranged at the lower end of the wheel carrier, and the upper end of the wheel carrier is rotationally connected with the base by taking the vertical central line as a rotation center.
The hydraulic machine is fixedly arranged on the base, the driving assembly provides driving power for each universal wheel, and the steering assembly controls the direction of the universal wheels.
Furthermore, the steering assembly also comprises a steering motor, a worm and a worm wheel, and the steering motor is fixed on the base; the worm wheel is fixed on the wheel frame by taking the vertical central line of the wheel frame as an axis; the upper end of the worm is connected with an output shaft of the steering motor, and the lower end of the worm is movably connected with the worm gear.
Further, the steering motor is a servo motor.
The driving assembly further comprises a driving motor, a driving bevel gear is arranged on an output shaft of the driving motor, the wheel carrier is hollow, a driven bevel gear is arranged on the inner wall of the wheel carrier, and the driving bevel gear is in tooth-motion connection with the driven bevel gear;
a first driven wheel is arranged on the outer wall of the wheel carrier, and a transmission shaft is arranged between the driven bevel gear and the first driven wheel and is in transmission connection with the first driven wheel through the transmission shaft;
and a second driven wheel is also fixed on the roller wheel and is in transmission connection with the first driven wheel.
And the torque generated by the driving motor is transmitted to the roller wheel through the driving bevel gear, the driven bevel gear, the transmission shaft, the first driven wheel and the second driven wheel in sequence and drives the roller wheel to roll.
Furthermore, the second driven wheel and the first driven wheel are chain wheels, and the second driven wheel is connected with the first driven wheel through a chain.
Furthermore, the number of the universal wheels is four.
The base is the rectangle, four the universal wheel distributes in four corners of base.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the hydraulic press does not need to move, namely when a fixed position needs to be kept, each steering assembly controls the direction of one universal wheel, each universal wheel is aligned to the center of the plurality of universal wheels, the plurality of universal wheels form self-locking, the stability of the hydraulic press is ensured, the gravity of the hydraulic press can be borne while the hydraulic press is moved conveniently, the deviation cannot occur, and the position fixing is realized.
2. The steering motor can control the rotation direction of the roller through the unidirectional transmission of the lower end of the worm and the worm wheel; and under the static condition of steering motor and worm, the gyro wheel can not take place to rotate because of external force, guarantees that each universal wheel aligns the center department of several universal wheels, and then guarantees the reliability of position locking.
3. And the torque generated by the driving motor is transmitted to the roller wheel through the driving bevel gear, the driven bevel gear, the transmission shaft, the first driven wheel and the second driven wheel in sequence and drives the roller wheel to roll. Even if the wheel carrier rotates, the driving power transmission is not influenced, the structure is simple, the reliability is high, and the whole driving assembly is not influenced by the acting force of the hydraulic machine.
4. The chain connection can work under the conditions of low speed, heavy load and high temperature and under the condition of large dust; the transmission mechanism can ensure accurate transmission ratio, has larger transmission power, smaller force acting on the shaft and high transmission efficiency.
5. When the locking device is locked, the four universal wheels face to the center of the rectangle, and the locking device is more reliable compared with the three universal wheels; compared with more than four universal wheels, the stability of the universal wheel is not greatly different, but the cost is lower.
Drawings
FIG. 1 is a schematic perspective view of a support device for a hydraulic machine according to an embodiment of the present invention;
FIG. 2 is a schematic bottom view of a support device for a hydraulic machine according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
reference numerals in the drawings of the specification include:
the universal wheel comprises a base 1, a universal wheel 2, a roller 21 and a wheel frame 22;
the steering assembly 3, a steering motor 31, a worm 32 and a worm wheel 33;
the driving assembly 4, a driving motor 41, a driving bevel gear 42, a driven bevel gear 43, a first driven wheel 44 and a second driven wheel 45.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described in conjunction with the accompanying drawings and examples:
it should be noted that the same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. 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, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example one
As shown in fig. 1-3, a supporting device for a hydraulic machine comprises a base 1, at least three universal wheels 2 are uniformly distributed below the base 1, and each universal wheel 2 is provided with a steering assembly 3 and a driving assembly 4.
The universal wheel 2 comprises a roller 21 and a wheel frame 22, the roller 21 is arranged at the lower end of the wheel frame 22, and the upper end of the wheel frame 22 is rotationally connected with the base 1 by taking the vertical central line as the rotation center.
The hydraulic machine is fixedly arranged on the base 1, the driving assembly 4 provides driving power for each universal wheel 2, and the steering assembly 3 controls the direction of the universal wheels 2; in addition, when the hydraulic press does not need to move, namely when a fixed position needs to be kept, each steering assembly 3 controls the direction of one universal wheel 2, each universal wheel 2 is aligned to the center of each universal wheel 2, the universal wheels 2 form self-locking, the stability of the hydraulic press is guaranteed, the hydraulic press can bear the gravity of the hydraulic press while moving conveniently, deviation cannot occur, and the position is fixed.
The steering assembly 3 also comprises a steering motor 31, a worm 32 and a worm wheel 33, and the steering motor 31 is fixed on the base 1; the worm wheel 33 is fixed on the wheel frame 22 by taking the vertical central line of the wheel frame 22 as an axis; the upper end of the worm 32 is connected with the output shaft of the steering motor 31, and the lower end of the worm 32 is in toothed connection with the worm wheel 33.
The steering motor 31 can control the rotation direction of the roller 21 through the unidirectional transmission of the lower end of the worm 32 and the worm wheel 33; under the condition that the steering motor 31 and the worm 32 are static, the roller 21 cannot rotate due to external force, each universal wheel 2 is ensured to be aligned with the centers of the universal wheels 2, and the reliability of position locking is further ensured.
The steering motor 31 is a servo motor.
The servo motor has high precision, realizes the closed-loop control of position, speed and moment, and overcomes the problem of step loss of a common stepping motor;
the adaptability is strong, the anti-overload capacity is strong, the load which is three times of the rated torque can be borne, and the method is suitable for the working procedures with instantaneous load fluctuation and quick starting requirements;
the stability is strong, the low-speed operation is stable, the stepping operation phenomenon similar to that of a common stepping motor can not be generated during the low-speed operation, and the method is suitable for occasions with high-speed response requirements;
the timeliness is good, and the dynamic corresponding time of acceleration and deceleration of the servo motor is short, and is generally within dozens of milliseconds.
The driving assembly 4 further comprises a driving motor 41, an output shaft of the driving motor 41 is provided with a driving bevel gear 42, the wheel carrier 22 is hollow, the inner wall of the wheel carrier is provided with a driven bevel gear 43, and the driving bevel gear 42 is in tooth-moving connection with the driven bevel gear 43;
a first driven wheel 44 is arranged on the outer wall of the wheel frame 22, and a transmission shaft is arranged between the driven bevel gear 43 and the first driven wheel 44 and is in transmission connection through the transmission shaft;
the roller 21 is also fixed with a second driven wheel 45, and the second driven wheel 45 is in transmission connection with the first driven wheel 44.
The torque generated by the driving motor 41 is transmitted to the roller 21 and drives it to roll through the driving bevel gear 42, the driven bevel gear 43, the driving shaft, the first driven pulley 44 and the second driven pulley 45 in this order. The design has the advantages that even if the wheel carrier 22 rotates, the power transmission of the driving cannot be influenced, the structure is simple, the reliability is high, and the whole driving assembly 4 cannot be influenced by the acting force of the hydraulic machine.
Example two
As a further improvement of the previous embodiment, as shown in fig. 1 to 3, the supporting device for a hydraulic machine includes a base 1, at least three universal wheels 2 are uniformly distributed below the base 1, and each universal wheel 2 is provided with a steering assembly 3 and a driving assembly 4.
The universal wheel 2 comprises a roller 21 and a wheel frame 22, the roller 21 is arranged at the lower end of the wheel frame 22, and the upper end of the wheel frame 22 is rotationally connected with the base 1 by taking the vertical central line as the rotation center.
The hydraulic machine is fixedly arranged on the base 1, the driving assembly 4 provides driving power for each universal wheel 2, and the steering assembly 3 controls the direction of the universal wheels 2; in addition, when the hydraulic press does not need to move, namely when a fixed position needs to be kept, each steering assembly 3 controls the direction of one universal wheel 2, each universal wheel 2 is aligned to the center of each universal wheel 2, the universal wheels 2 form self-locking, the stability of the hydraulic press is guaranteed, the hydraulic press can bear the gravity of the hydraulic press while moving conveniently, deviation cannot occur, and the position is fixed.
The steering assembly 3 also comprises a steering motor 31, a worm 32 and a worm wheel 33, and the steering motor 31 is fixed on the base 1; the worm wheel 33 is fixed on the wheel frame 22 by taking the vertical central line of the wheel frame 22 as an axis; the upper end of the worm 32 is connected with the output shaft of the steering motor 31, and the lower end of the worm 32 is in toothed connection with the worm wheel 33.
The steering motor 31 can control the rotation direction of the roller 21 through the unidirectional transmission of the lower end of the worm 32 and the worm wheel 33; under the condition that the steering motor 31 and the worm 32 are static, the roller 21 cannot rotate due to external force, each universal wheel 2 is ensured to be aligned with the centers of the universal wheels 2, and the reliability of position locking is further ensured.
The steering motor 31 is a servo motor.
The servo motor has high precision, realizes the closed-loop control of position, speed and moment, and overcomes the problem of step loss of a common stepping motor;
the adaptability is strong, the anti-overload capacity is strong, the load which is three times of the rated torque can be borne, and the method is suitable for the working procedures with instantaneous load fluctuation and quick starting requirements;
the stability is strong, the low-speed operation is stable, the stepping operation phenomenon similar to that of a common stepping motor can not be generated during the low-speed operation, and the method is suitable for occasions with high-speed response requirements;
the timeliness is good, and the dynamic corresponding time of acceleration and deceleration of the servo motor is short, and is generally within dozens of milliseconds.
The driving assembly 4 further comprises a driving motor 41, an output shaft of the driving motor 41 is provided with a driving bevel gear 42, the wheel carrier 22 is hollow, the inner wall of the wheel carrier is provided with a driven bevel gear 43, and the driving bevel gear 42 is in tooth-moving connection with the driven bevel gear 43;
a first driven wheel 44 is arranged on the outer wall of the wheel frame 22, and a transmission shaft is arranged between the driven bevel gear 43 and the first driven wheel 44 and is in transmission connection through the transmission shaft;
the roller 21 is also fixed with a second driven wheel 45, and the second driven wheel 45 is in transmission connection with the first driven wheel 44.
The torque generated by the driving motor 41 is transmitted to the roller 21 and drives it to roll through the driving bevel gear 42, the driven bevel gear 43, the driving shaft, the first driven pulley 44 and the second driven pulley 45 in this order. The design has the advantages that even if the wheel carrier 22 rotates, the power transmission of the driving cannot be influenced, the structure is simple, the reliability is high, and the whole driving assembly 4 cannot be influenced by the acting force of the hydraulic machine.
The second driven wheel 45 and the first driven wheel 44 are both chain wheels, and the second driven wheel 45 is connected with the first driven wheel 44 through a chain.
The number of the universal wheels 2 is four.
The advantages of the second embodiment over the first embodiment are:
the base 1 in the utility model in the second embodiment is rectangular, and the four universal wheels 2 are distributed at the four corners of the base 1, so that the stability is high; and four universal wheels 2 are towards the centre of the rectangle when locked, more reliable than three universal wheels 2; compared with the stability of more than four universal wheels 2, the stability is not very different, but the cost is lower. In addition, the chain connection can work under the conditions of low speed, heavy load and high temperature and under the condition of large dust; the transmission mechanism can ensure accurate transmission ratio, has larger transmission power, smaller force acting on the shaft and high transmission efficiency.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the utility model in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the utility model may be embodied in practice with the teachings of the utility model. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The utility model provides a strutting arrangement for hydraulic press which characterized in that: the steering mechanism comprises a base (1), wherein at least three universal wheels (2) are uniformly distributed below the base (1), and each universal wheel (2) is provided with a steering assembly (3) and a driving assembly (4);
the universal wheel (2) comprises a roller (21) and a wheel carrier (22), the roller (21) is arranged at the lower end of the wheel carrier (22), and the upper end of the wheel carrier (22) is rotationally connected with the base (1) by taking the vertical central line as a rotation center.
2. The support device for a hydraulic machine as claimed in claim 1, wherein: the steering assembly (3) comprises a steering motor (31), a worm (32) and a worm wheel (33), and the steering motor (31) is fixed on the base (1); the worm wheel (33) is fixed on the wheel carrier (22) by taking the vertical central line of the wheel carrier (22) as an axis; the upper end of the worm (32) is connected with an output shaft of the steering motor (31), and the lower end of the worm (32) is in toothed connection with the worm wheel (33).
3. The support device for a hydraulic machine as claimed in claim 2, wherein: the steering motor (31) is a servo motor.
4. The support device for a hydraulic machine as claimed in claim 2, wherein: the driving assembly (4) further comprises a driving motor (41), an output shaft of the driving motor (41) is provided with a driving bevel gear (42), the wheel carrier (22) is hollow, the inner wall of the wheel carrier is provided with a driven bevel gear (43), and the driving bevel gear (42) is in tooth-motion connection with the driven bevel gear (43);
a first driven wheel (44) is arranged on the outer wall of the wheel frame (22), and a transmission shaft is arranged between the driven bevel gear (43) and the first driven wheel (44) and is in transmission connection with the first driven wheel through the transmission shaft;
and a second driven wheel (45) is also fixed on the roller (21), and the second driven wheel (45) is in transmission connection with the first driven wheel (44).
5. The support device for a hydraulic machine as claimed in claim 4, wherein: the second driven wheel (45) and the first driven wheel (44) are chain wheels, and the second driven wheel (45) is connected with the first driven wheel (44) through a chain.
6. The support device for a hydraulic machine as claimed in any one of claims 1 to 5, wherein: the number of the universal wheels (2) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120953904.1U CN215326609U (en) | 2021-05-07 | 2021-05-07 | Support device for hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120953904.1U CN215326609U (en) | 2021-05-07 | 2021-05-07 | Support device for hydraulic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215326609U true CN215326609U (en) | 2021-12-28 |
Family
ID=79597623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120953904.1U Expired - Fee Related CN215326609U (en) | 2021-05-07 | 2021-05-07 | Support device for hydraulic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215326609U (en) |
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2021
- 2021-05-07 CN CN202120953904.1U patent/CN215326609U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |