CN213543894U - Dynamic balance lifting frame - Google Patents
Dynamic balance lifting frame Download PDFInfo
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- CN213543894U CN213543894U CN202022680891.3U CN202022680891U CN213543894U CN 213543894 U CN213543894 U CN 213543894U CN 202022680891 U CN202022680891 U CN 202022680891U CN 213543894 U CN213543894 U CN 213543894U
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- dynamic balance
- jack
- dynamic
- sleeve
- bottom plate
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Abstract
The utility model discloses a dynamic balance crane, dynamic balance crane establish the inboard at the dynamic balancing machine, and dynamic balance crane and dynamic balancing machine on same axis, its characterized in that: the dynamic balance lifting frame comprises a base, a top supporting frame and a jack; wherein, top support frame and jack are installed on the base, and the jack is located the center of top support frame.
Description
The technical field is as follows:
the utility model relates to a rotor dynamic balance's technical field especially relates to a support when dynamic balance is done to the big fan rotor of centrifugal fan that various industry occasions were used.
Background art:
the dynamic balancing machine is widely applied to the fields of air blowers, automobile industry, household appliance motors and the like, is used for measuring unbalance, has strict requirements on the unbalance according to production requirements and technological requirements in an industrial large-scale centrifugal fan, needs to perform dynamic balancing tests on a fan rotor, is short of a protection and buffer device, is easy to cause repeated impact on the dynamic balancing machine when the rotor is lifted, and is damaged or the service life of the dynamic balancing machine is reduced due to the fact that the tonnage of the rotor is large and the generated instant impact force is large, and is high in maintenance cost.
The existing dynamic balancing machine is not provided with a protection and buffer device, and the dynamic balancing machine directly bears the impact force of a rotor component during a dynamic balance test, so that the service life of the dynamic balancing machine is influenced. Based on the dynamic balance lifting frame, the dynamic balance lifting frame can adjust the height, the rotor is lifted on the dynamic balance lifting frame to bear the impact force during dynamic balance, the height of the dynamic balance lifting frame is adjusted to be stably butted with a dynamic balancing machine, the service life of the dynamic balancing machine can be greatly prolonged, and the production cost is reduced.
The utility model has the following contents:
the utility model discloses to the above-mentioned not enough and defect of prior art, provide one kind and can replace the dynamic balancing machine, can bear the device of main impact force, realized the steady transition of rotor part with the dynamic balancing machine, improve the life of dynamic balancing machine, reduced manufacturing cost.
The technical scheme of the utility model as follows: the utility model provides a dynamic balance crane, dynamic balance crane establishes the inboard at the dynamic balancing machine, and dynamic balance crane and dynamic balancing machine on same axis, its characterized in that: the dynamic balance lifting frame comprises a base, a top supporting frame and a jack; wherein, top support frame and jack are installed on the base, and the jack is located the center of top support frame.
In one embodiment, the base comprises a panel, a first bottom plate and a channel steel, the channel steel is installed at four corners of the panel downwards, the first bottom plate is installed at the bottom of the channel steel, the first bottom plate is supported on the ground, and the top supporting frame is installed on the panel.
In one embodiment, the top support frame comprises a second bottom plate, round steel, a screw rod, a first nut and a steel plate; the second bottom plate is connected with the panel through a screw and a first nut; four steel plates are arranged at the center of the second bottom plate in a V shape; the round steel is arranged on the bottom surface of the central position of the second bottom plate, and an inner hole is formed in the round steel.
In one embodiment, the lifting device further comprises a first sleeve, the first sleeve is step-shaped, the jack part is installed in an axial cavity of the first sleeve, and a large flange at the bottom of the first sleeve is fixed on a panel of the base through a pressing plate assembly through a bolt and a second nut.
In one embodiment, the jack further comprises a second sleeve, an axial inner hole of the second sleeve is in threaded connection with the outer wall of the top end of the jack, and the top of the second sleeve is arranged in the inner hole formed in the round steel.
In one embodiment, the jack is a hydraulic jack, the dynamic balance lifting frame is placed on the inner side of the dynamic balancing machine, the hydraulic jack is started to ensure that the rotor falls on the dynamic balance lifting frame and is 5 cm higher than the dynamic balancing machine, the height of the hydraulic jack is reduced, the rotor slowly falls on the dynamic balancing machine, and the hydraulic jack can be lifted after the dynamic balance is finished to jack the rotor.
In one embodiment, the dynamic balance lifting frames are arranged in two groups and symmetrically arranged at two sides of the rotor in the length direction.
The utility model discloses a main beneficial effect is:
the top support frame adopts a screw and a hydraulic jack to support well.
The split mounting type design of the dynamic balance lifting frame is convenient for replacing accessories, and the cost is saved.
The symmetrical design of the dynamic balance lifting frame not only saves materials, but also is convenient for adjusting the distance, and is suitable for more rotor models.
The dynamic balancing machine is replaced to bear main impact force, the rotor component and the dynamic balancing machine are stably transited, the service life of the dynamic balancing machine is prolonged, and the production cost is reduced.
Description of the drawings:
fig. 1 is a front view of a dynamic balance crane according to an embodiment of the present invention;
FIG. 2 is a top view of the dynamic balance crane in the direction A-A in FIG. 1;
fig. 3 is a left side view of a dynamic balance crane in fig. 1.
In the context of the illustration, it is,
1. dynamic balance lifting frame
2. Base seat
3. Top support frame
52. Jack
21 Panel
22. First base plate
23. Channel steel
32. Second bottom plate
33. Round steel
34. Screw rod
35 first nut
31 steel plate
5. First sleeve
51. Large flange
6. Pressure plate assembly
7. Bolt
8. Second nut
4. Second sleeve
The specific implementation mode is as follows:
the following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable 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 embodiment can be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 in combination with fig. 2-3, in an embodiment of a dynamic balance crane 1, the dynamic balance crane 1 is disposed inside a dynamic balancing machine, and the dynamic balance crane and the dynamic balancing machine are on the same axis, and the dynamic balance crane 1 includes a base 2, a top bracing frame 3 and a jack 52; wherein the top support frame 3 and the jack 52 are installed on the base 2, and the jack 52 is located at the center of the top support frame 3.
Further, the base comprises a panel 21, a first bottom plate 22 and a channel 23, the channel 23 is downwardly installed at four corners of the panel 21, the first bottom plate 22 is installed at the bottom of the channel 23, the first bottom plate 22 is supported on the ground, and the top support frame is installed on the panel 21.
Further, the top support frame 3 comprises a second bottom plate 32, round steel 33, a screw 34, a first nut 35 and a steel plate 31; wherein, the second bottom plate 32 is connected with the panel 21 through a screw 34 and a first nut 35; four steel plates 31 are arranged at the center of the second bottom plate in a V shape; the round steel 33 is arranged on the bottom surface of the central position of the second bottom plate 32, and an inner hole is formed in the round steel.
Further, the lifting device comprises a first sleeve 5, the first sleeve 5 is step-shaped, the jack 52 is partially installed in an axial cavity of the first sleeve 5, and a large flange 51 at the bottom of the first sleeve 5 is fixed on the panel 21 of the base through a bolt 7 and a second nut 8 by a pressure plate assembly 6.
Furthermore, the lifting jack further comprises a second sleeve 4, an axial inner hole of the second sleeve 4 is in threaded connection with the outer wall of the top end of the lifting jack 52, and the top of the second sleeve 4 is arranged in an inner hole formed in the round steel 33.
Further, the dynamic balance lifting frame 1 is placed on the inner side of the dynamic balancing machine, the hydraulic jack is started to ensure that the rotor falls on the dynamic balance lifting frame 1 and is 5 centimeters higher than the dynamic balancing machine, the height of the hydraulic jack is reduced, the rotor slowly falls on the dynamic balancing machine, and the hydraulic jack can be lifted after the dynamic balance is finished to jack the rotor.
Furthermore, the dynamic balance lifting frames 1 are divided into two groups and symmetrically arranged on two sides of the rotor in the length direction.
It can be understood that:
the base can be formed by welding a steel plate and channel steel; a through hole and a threaded hole are formed in the panel on the top of the base, the through hole is a positioning hole of a screw rod below the top support frame, and the threaded hole is a positioning hole of the pressing plate assembly; the channel steel in the middle of the base plays a supporting role; the bottom plate of the base reduces the pressure in order to increase the stressed area.
The top support frame can comprise a steel plate, round steel, a screw rod and a nut; a steel plate above the top support frame is made into a v shape so as to position the rotor; an inner hole of the round steel lathe in the middle below the top support frame is matched with the sleeve and the top end of the hydraulic jack; the screw rods and the nuts at the two ends of the lower portion of the top supporting frame are matched with the panel at the top of the base to play a supporting and balancing role.
The sleeve can be formed by processing a steel pipe and is divided into two halves; the outer ring of the sleeve is matched with the round steel in the middle below the top support frame, and the inner ring of the sleeve is matched with the top end of the hydraulic jack.
The hydraulic jack is a purchased part, and the specification can be selected as required: the hydraulic jack falls on the panel at base top, through the sleeve location, the round steel cooperation in the middle of hydraulic jack's top and the top support frame below, and the accessible is adjusted hydraulic jack and is adjusted the height of dynamic balance crane.
The sleeve is formed by processing round steel; the inner hole of the sleeve is matched with the outer wall of the hydraulic jack, and the flange at the bottom of the sleeve is matched with the pressing plate assembly, so that the purpose of positioning the hydraulic jack is achieved.
The pressing plate component comprises a base plate, a pressing plate, a stud bolt, a nut and the like; for sleeve positioning. The dynamic balance lifting frame needs to be symmetrically arranged in two pieces.
The working process is as follows:
placing the dynamic balance lifting frame on the inner side of the dynamic balancing machine, starting the hydraulic jack to ensure that the rotor falls on the dynamic balance lifting frame and is about 5 centimeters higher than the dynamic balancing machine, reducing the height of the hydraulic jack, slowly falling the rotor on the dynamic balancing machine, lifting the hydraulic jack after the dynamic balance is finished, and jacking the rotor; the impact force of the rotor in the whole process is borne by the dynamic balance lifting frame, the rotor is stably butted with the dynamic balancing machine, and the service life of the dynamic balancing machine can be greatly prolonged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a dynamic balance crane, dynamic balance crane establishes the inboard at the dynamic balancing machine, and dynamic balance crane and dynamic balancing machine on same axis, its characterized in that: the dynamic balance lifting frame comprises a base, a top supporting frame and a jack; wherein, top support frame and jack are installed on the base, and the jack is located the center of top support frame.
2. The dynamic balance crane according to claim 1, wherein: the base comprises a panel, a first bottom plate and channel steel, the channel steel is downwards installed at four corners of the panel, the first bottom plate is installed at the bottom of the channel steel, the first bottom plate is supported on the ground, and the top support frame is installed on the panel.
3. The dynamic balance crane according to claim 2, wherein: the top support frame comprises a second bottom plate, round steel, a screw, a first nut and a steel plate; wherein the content of the first and second substances,
the second bottom plate is connected with the panel through a screw and a first nut; four steel plates are arranged at the center of the second bottom plate in a V shape; the round steel is arranged on the bottom surface of the central position of the second bottom plate, and an inner hole is formed in the round steel.
4. A dynamic balance crane according to claim 3, wherein: the lifting jack is characterized by further comprising a first sleeve, the first sleeve is step-shaped, the jack part is installed in an axial cavity of the first sleeve, and a large flange at the bottom of the first sleeve is fixed on a panel of the base through a pressing plate assembly through a bolt and a second nut.
5. A dynamic balance crane according to claim 4, wherein: the jack is characterized by further comprising a second sleeve, an axial inner hole of the second sleeve is in threaded connection with the outer wall of the top end of the jack, and the top of the second sleeve is arranged in the inner hole formed by the round steel.
6. A dynamic balance crane according to claim 5, wherein: the lifting jack is a hydraulic lifting jack, the dynamic balance lifting frame is placed on the inner side of the dynamic balancing machine, the hydraulic lifting jack is started to ensure that the rotor falls on the dynamic balance lifting frame and is 5 cm higher than the dynamic balancing machine, the height of the hydraulic lifting jack is reduced, the rotor slowly falls on the dynamic balancing machine, and the hydraulic lifting jack can be lifted after the dynamic balance is finished to jack the rotor.
7. The dynamic balance crane according to claim 6, wherein: the dynamic balance lifting frames are arranged in two groups and symmetrically arranged on two sides of the rotor in the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022680891.3U CN213543894U (en) | 2020-11-19 | 2020-11-19 | Dynamic balance lifting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022680891.3U CN213543894U (en) | 2020-11-19 | 2020-11-19 | Dynamic balance lifting frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213543894U true CN213543894U (en) | 2021-06-25 |
Family
ID=76483375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022680891.3U Active CN213543894U (en) | 2020-11-19 | 2020-11-19 | Dynamic balance lifting frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213543894U (en) |
-
2020
- 2020-11-19 CN CN202022680891.3U patent/CN213543894U/en active Active
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