CN217926274U - Mounting structure, claw pump, installation frock of rotor and axle - Google Patents
Mounting structure, claw pump, installation frock of rotor and axle Download PDFInfo
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- CN217926274U CN217926274U CN202220967521.4U CN202220967521U CN217926274U CN 217926274 U CN217926274 U CN 217926274U CN 202220967521 U CN202220967521 U CN 202220967521U CN 217926274 U CN217926274 U CN 217926274U
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Abstract
A mounting structure of rotor and axle which characterized in that: the tension sleeve structure comprises an expansion sleeve structure, wherein the expansion sleeve structure comprises an inner expansion sleeve, an outer expansion sleeve and an expansion sleeve pressing plate, the outer expansion sleeve is installed in an installation hole of a rotor, the inner expansion sleeve is installed in the outer expansion sleeve, a shaft is installed in the inner expansion sleeve, the outer expansion sleeve is in transition fit with the installation hole of the rotor, the inner expansion sleeve is in transition fit with the shaft, the expansion sleeve pressing plate is pressed at the top end of the outer expansion sleeve and fixed with the rotor through a fastening piece and used for providing a downward pressing force for the outer expansion sleeve, and a slope is formed between the matching surface of the inner expansion sleeve and the matching surface of the outer expansion sleeve and used for enabling the inner expansion sleeve to deform to clamp the shaft and enabling the outer expansion sleeve to deform to tension the rotor. The mounting structure of the rotor and the shaft has the advantages of convenience and rapidness in mounting, convenience in end face clearance adjustment and higher product yield. Still provide a claw pump, installation frock.
Description
Technical Field
The utility model relates to a pump technical field, concretely relates to mounting structure, claw pump, installation frock of rotor and axle.
Background
Because the rotor of the oil-free claw pump needs to adjust the end surface clearance and the meshing clearance during the installation, the rotor of the existing claw pump can be installed on the shaft only by using a complex installation tool.
Secondly, because use interference fit between the rotor of present claw pump and the axle, consequently generally heat the rotor earlier during the installation, use press or manpower to strike the installation to epaxial after making the mounting hole of rotor enlarge, not only waste time and energy, the installation degree of difficulty is progressively increased along with the rotor needs to install the increase to epaxial size length moreover.
And thirdly, different heating time needs to be selected according to the magnitude of interference when the rotor is installed. When the interference magnitude is too large, the heating time is too long, and the potential safety hazard is increased; when the interference magnitude is smaller, the rotor runs at a high speed to cause the temperature in the compression cavity to rise, the rotor generates heat to cause the relative position of the shaft and the rotor to deviate, and the rotor is easy to damage, so the requirement on the machining precision of the mounting hole of the rotor is higher, and the machining rejection rate is higher.
In addition, the size of the end face gap between the rotor and the pump body is also very important, and influences the stability of the rotor operation. When the installation length of rotor and axle increases, because both are interference fit and through long-time installation, can make the heat of rotor reduce to lead to the magnitude of interference to increase thereupon, the installation of rotor on the axle is more difficult like this, makes the adjustment of terminal surface clearance also more difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the defects of the prior art are overcome, the installation structure of the rotor and the shaft is provided, the installation is convenient and rapid, the end surface clearance is convenient to adjust, and the product yield is higher; the claw-shaped pump is convenient and quick to install, convenient to adjust the end face clearance and high in product yield; still provide an installation frock of claw pump, simple structure, simple to operate is swift, terminal surface clearance and meshing clearance adjust conveniently, and the product yield of installation is higher.
Compared with the prior art, the utility model provides a mounting structure of rotor and axle, its characterized in that: the tension sleeve structure comprises an expansion sleeve structure, wherein the expansion sleeve structure comprises an inner expansion sleeve, an outer expansion sleeve and an expansion sleeve pressing plate, the outer expansion sleeve is installed in an installation hole of a rotor, the inner expansion sleeve is installed in the outer expansion sleeve, a shaft is installed in the inner expansion sleeve, the outer expansion sleeve is in transition fit with the installation hole of the rotor, the inner expansion sleeve is in transition fit with the shaft, the expansion sleeve pressing plate is pressed at the top end of the outer expansion sleeve and fixed with the rotor through a fastening piece and used for providing a downward pressing force for the outer expansion sleeve, and a slope is formed between the matching surface of the inner expansion sleeve and the matching surface of the outer expansion sleeve and used for enabling the inner expansion sleeve to deform to clamp the shaft and enabling the outer expansion sleeve to deform to tension the rotor.
After adopting above-mentioned structure, compare with prior art, the utility model has the advantages of it is following: the utility model discloses the mounting structure of rotor and axle has abandoned the mounting hole of traditional rotor and axle interference fit's structure, but sets up the cover structure that rises ingeniously between rotor and axle, and set up the mounting hole of cover and rotor that rises outward, the cover that rises and the axle between transition fit, can utilize the packing force of cover clamp plate that rises like this, provide a downward force for the cover that rises outward, because the fitting surface of cover and cover that rises outward has an inclination, can make cover that rises inward and cover all produce the microdeformation, the cover that rises outward warp greatly, tight rotor rises, the cover that rises inward warp and embraces the axle, thus fix rotor and axle together; the assembly parts of the whole rotor and the shaft are in a transition fit structure, so that a press or manual knocking is not needed during installation, the installation is convenient and fast, the end face clearance is convenient to adjust, and the product yield is high.
Preferably, the internal expansion sleeve is in a circular truncated cone shape with a narrow top and a wide bottom, and the inner hole of the external expansion sleeve is matched with the external shape of the internal expansion sleeve, so that the matching surface of the internal expansion sleeve and the external expansion sleeve has a slope. The arrangement can make the inclination arrangement simple, and the deformation of the internal expansion sleeve and the external expansion sleeve is reliable.
Preferably, the top end of the external expansion sleeve is provided with a pressing surface which is pressed against the expansion sleeve pressing plate. The arrangement is not only beneficial to the expansion sleeve pressing plate to press the outer expansion sleeve, but also can enable the inner expansion sleeve to be matched with the outer expansion sleeve more tightly.
Preferably, a first threaded hole is formed in the abutting surface of the outer expansion sleeve. When the setting is convenient to disassemble and assemble, the outer expansion sleeve is taken out by using the pin puller.
Preferably, a second threaded hole position is arranged on the rotor. Because the mounting hole of the rotor, the internal expansion sleeve and the shaft are in transition fit, and the second threaded hole is formed in the rotor, the rotor and the internal expansion sleeve can be taken out together by using the pin puller when the rotor is convenient to disassemble and assemble.
Compared with the prior art, the utility model provides a claw pump, including the pump body, initiative rotor, driven rotor, driving shaft and driven shaft are installed on the pump body, its characterized in that: the driving rotor and the driving shaft and the driven rotor and the driven shaft are connected together through the mounting structures of the rotors and the shafts.
After adopting above-mentioned structure, compare with prior art, the utility model has the advantages of it is following: the utility model discloses the assembly of the initiative rotor and driving shaft, driven rotor and the driven shaft of claw shape pump all adopts the mounting structure of above-mentioned rotor and axle to need not to use press or manpower to strike during feasible installation, simple to operate is swift, end face clearance adjusts conveniently, and the product yield is higher.
Compared with the prior art, the utility model provides an installation frock, its characterized in that: it includes brace table, rotor positioning board, rotor positioning pin and clearance gauge, the brace table has the mesa that is used for supporting the pump body, is used for wearing to establish the reservation hole site of driving shaft and driven shaft and is used for restricting the limit structure of the radial rotation of the pump body, the clearance gauge is used for placing between the top surface of the pump body and the bottom surface of two rotors to the terminal surface clearance between the location rotor and the pump body, the rotor positioning board is used for placing the top at two rotors, the rotor positioning pin is used for fixing two rotors on the rotor positioning board, in order to guarantee the meshing clearance and the initial position of two rotors.
After adopting above-mentioned structure, compare with prior art, the utility model has the advantages of it is following: the utility model discloses installation frock simple structure, and because the utility model discloses the assembly of the initiative rotor of claw shape pump and driving shaft, driven rotor and driven shaft all adopts the mounting structure of above-mentioned rotor and axle, consequently need not to use press or manpower to strike, and simple to operate is swift, end face clearance adjusts conveniently, and the product yield after the installation is higher, and the use of rotor locating plate and rotor locating pin has also made things convenient for the regulation in rotor meshing clearance in addition.
Preferably, the supporting table comprises an upper panel, a lower panel and a side plate for connecting the upper panel with the lower panel, the upper panel is a table top for supporting the pump body, and reserved hole sites for penetrating the driving shaft and the driven shaft are arranged on the upper panel and the lower panel. The supporting table is simple and stable in structure, the driving shaft and the driven shaft can be conveniently penetrated, after the driving shaft and the driven shaft are installed, the upper end and the lower end of the driving shaft and the driven shaft can be reliably limited, and the structure is compact.
Preferably, the two reserved hole sites on the upper panel are stepped holes with large upper parts and small lower parts, the limiting structure is a large hole of the stepped hole, and the large hole is in transition fit with the outer ring of the bearing on the pump body. The pump body is simple in limiting structure, reliable and convenient in limiting, and skillfully designed together with the reserved hole positions of the shafts, so that the overall structure is further simplified.
Preferably, the small holes of the stepped holes on the upper panel are in clearance fit with the corresponding shafts, and the reserved holes on the lower panel are also in clearance fit with the corresponding shafts. The arrangement is more convenient for the penetration of the driving shaft and the driven shaft.
Description of the drawings:
FIG. 1 is a schematic structural view of a claw pump according to the present invention;
FIG. 2 is another schematic structural view of the claw pump of the present invention;
FIG. 3 is an exploded view of the claw pump of the present invention;
FIG. 4 is a schematic structural view of the claw pump of the present invention mounted on the mounting fixture;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is a cross-sectional view of FIG. 4 with the rotor positioning pin and the rotor positioning plate removed and with the expansion sleeve structure installed;
in the figure: 1-driving rotor, 2-driven rotor, 3-internal expansion sleeve, 4-external expansion sleeve, 5-expansion sleeve pressure plate, 6-mounting hole of rotor, 7-fastener, 8-inclination, 9-pressing surface, 10-first threaded hole position, 12-pump body, 13-driving shaft, 14-driven shaft, 15-supporting table, 16-rotor positioning plate, 17-rotor positioning pin, 18-reserved hole position, 19-limiting structure, 20-upper panel, 21-lower panel, 22-side plate, 23-large hole, 24-small hole and 25-bearing.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Example 1:
as shown in fig. 1-3, a rotor and shaft mounting structure comprises an expansion sleeve structure, the expansion sleeve structure comprises an inner expansion sleeve 3, an outer expansion sleeve 4 and an expansion sleeve pressing plate 5, the outer expansion sleeve 4 is mounted in a mounting hole 6 of a rotor, the inner expansion sleeve 3 is mounted in the outer expansion sleeve 4, the shaft is mounted in the inner expansion sleeve 3, the outer expansion sleeve 4 is in transition fit with the mounting hole 6 of the rotor and the inner expansion sleeve 3 are in transition fit with the shaft, the expansion sleeve pressing plate 5 is pressed at the top end of the outer expansion sleeve 4 and fixed with the rotor through a fastening member 7 and used for providing a downward pressing force for the outer expansion sleeve 4, and a matching surface between the inner expansion sleeve 3 and the outer expansion sleeve 4 has an inclination 8 for enabling the inner expansion sleeve 3 to deform to clamp the shaft and the outer expansion sleeve 4 to deform to tension the rotor.
The inner expansion sleeve 3 is in a circular truncated cone shape with a narrow top and a wide bottom, and the inner hole of the outer expansion sleeve 4 is matched with the outer shape of the inner expansion sleeve 3, so that the matching surface of the inner expansion sleeve and the outer expansion sleeve has an inclination 8; the top end of the external expansion sleeve 4 is provided with a pressing surface 9 which is pressed against the expansion sleeve pressing plate 5; a first threaded hole site 10 is arranged on the abutting surface 9 of the external expansion sleeve 4; and a second threaded hole position is arranged on the rotor, and a threaded hole matched with the fastener 7 on the rotor can be directly used as the second threaded hole position, or a threaded hole additionally arranged on the rotor.
Example 2:
as shown in fig. 1 to 3, a claw pump includes a pump body 12, a driving rotor 1, a driven rotor 2, a driving shaft 13, and a driven shaft 14, wherein the driving shaft 13 and the driven shaft 14 are mounted on the pump body 12, and the driving rotor 1 and the driving shaft 13, and the driven rotor 2 and the driven shaft 14 are connected together through a rotor and shaft mounting structure in embodiment 1.
The connection structure between the driving rotor 1 and the driving shaft 13 and between the driven rotor 2 and the driven shaft 14 is as follows: the two outer expansion sleeves 4 are respectively installed in the installation holes 6 of the driving rotor 1 and the driven rotor 2, the two inner expansion sleeves 3 are respectively installed in the two outer expansion sleeves 4, the driving shaft 13 and the driven shaft 14 are respectively installed in the two inner expansion sleeves 3, the outer expansion sleeves 4 are in transition fit with the installation holes 6 of the driving rotor 1 and the inner expansion sleeves 3 and the driving shaft 13, the outer expansion sleeves 4 are in transition fit with the installation holes 6 of the driven rotor 2 and the inner expansion sleeves 3 are also in transition fit with the driven shaft 14, the two expansion sleeve pressing plates 5 are respectively pressed at the top ends of the two outer expansion sleeves 4 and fixed with the driving rotor 1 and the driven rotor 2 through fasteners 7 and used for providing downward pressing force for the two outer expansion sleeves 4, and the matching surface of the inner expansion sleeve 3 and the outer expansion sleeve 4 has an inclination 8 and used for enabling the inner expansion sleeve 3 to deform to embrace the shaft and the outer expansion sleeve 4 to deform to expand the expansion rotor.
The inner expansion sleeve 3 is in a circular truncated cone shape with a narrow top and a wide bottom, and the inner hole of the outer expansion sleeve 4 is matched with the outer shape of the inner expansion sleeve 3, so that the matching surface of the inner expansion sleeve and the outer expansion sleeve has an inclination 8; the top end of the external expansion sleeve 4 is provided with a pressing surface 9 which is pressed against the expansion sleeve pressing plate 5; a first threaded hole site 10 is arranged on the abutting surface 9 of the external expansion sleeve 4; and second thread hole positions are arranged on the driving rotor 1 and the driven rotor 2.
Example 3:
as shown in fig. 4 to 6, an installation tool applied to the claw pump of embodiment 2 includes a support table 15, a rotor positioning plate 16, a rotor positioning pin 17, and a feeler, where the support table 15 has a table top for supporting the pump body 12, a reserved hole 18 for penetrating the driving shaft 13 and the driven shaft 14, and a limiting structure 19 for limiting the radial rotation of the pump body 12, the feeler is configured to be placed between the top surface of the pump body 12 and the bottom surfaces of the two rotors to position the end surface gap between the rotors and the pump body 12, the rotor positioning plate 16 is configured to be placed at the top ends of the two rotors, and the rotor positioning pin 17 is configured to fix the two rotors on the rotor positioning plate 16 to ensure the meshing gap and the initial position of the two rotors.
The supporting platform 15 comprises an upper panel 20, a lower panel 21 and a side plate 22 connecting the upper panel 20 and the lower panel 21, the upper panel 20 is a table top for supporting the pump body 12, and the upper panel 20 and the lower panel 21 are both provided with reserved hole sites 18 for penetrating the driving shaft 13 and the driven shaft 14; the two reserved hole sites 18 on the upper panel 20 are stepped holes with large upper parts and small lower parts, the limiting structure 19 is a large hole 23 of the stepped hole, the large hole 23 is in transition fit with an outer ring of a bearing 25 on the pump body 12, an inner ring of the bearing 25 is in interference fit with a shaft, and the outer ring of the bearing 25 and the large hole 23 adopt a transition fit structure, so that the bearing 25 of the pump body 12 can be conveniently installed in the large hole 23 of the stepped hole, the bearing 25 installed in the large hole 23 cannot rotate, the function of fixing the pump body 12 is achieved, the driving shaft 13 and the driven shaft 14 installed on the pump body 12 cannot rotate, and the phenomenon of rotor installation errors caused by the movement of the pump body 12 in the process of installing a rotor on the shaft can be prevented; the small holes 24 of the stepped holes on the upper panel 20 are in clearance fit with corresponding shafts, and the reserved hole sites 18 on the lower panel 21 are also in clearance fit with the corresponding shafts, namely, the driving shaft 13 and the driven shaft 14 are in clearance fit with the reserved hole sites 18 on the upper panel 20 and the lower panel 21, so that the driving shaft 13 and the driven shaft 14 can penetrate through the reserved hole sites 18 on the upper panel 20 and the lower panel 21 more easily, and the pump body 12 can be fixed more conveniently and quickly.
The process of disassembling and assembling the claw pump in the embodiment 2 by using the mounting tool in the embodiment is as follows:
during installation:
(1) Fixing a support table 15 on a workbench position, radially limiting the pump body 12 provided with the driving shaft 13 and the driven shaft 14 on the table surface of the support table 15 through a limiting structure 19, and simultaneously penetrating the driving shaft 13 and the driven shaft 14 into a reserved hole position 18 of the support table 15; the limiting structure 19 is a large hole 23 of the stepped hole, the bearing 25 of the pump body 12 is installed in the large hole 23 of the stepped hole, and the radial rotation of the pump body 12 can be limited due to the transition fit of the outer ring of the bearing 25 and the large hole 23; the radial rotation of the pump body 12 is limited, so that the rotor installation error caused by the movement of the pump body 12 in the process of installing the rotor can be prevented;
(2) The driving rotor 1 and the driven rotor 2 are respectively fixed with a rotor positioning plate 16 through two rotor positioning pins 17 so as to ensure the meshing clearance and the initial position of the two rotors and prevent the two rotors from interfering in operation;
(3) Heating the driving rotor 1 and the driven rotor 2 fixed on the rotor positioning plate 16 to enlarge the mounting holes 6 of the two rotors;
(4) A feeler gauge with a set thickness is arranged on the top surface of the pump body 12 and used for positioning the end surface gap between the rotor and the pump body 12;
(5) Respectively installing the driving rotor 1 and the driven rotor 2 on the driving shaft 13 and the driven shaft 14, as shown in fig. 4-5, when the lower end surfaces of the driving rotor 1 and the driven rotor 2 are coincident with the upper end surface of the feeler gauge, installing the rotors in place, and then removing the rotor positioning pin 17 and the rotor positioning plate 16; because the assembly parts between the mounting hole 6 of the rotor and the shaft are in transition fit, and the rotor can be directly mounted in the shaft after being heated, and a press or manual knocking and pressing are not needed;
(6) Heating two inner expansion sleeves 3 and respectively installing the two inner expansion sleeves on a driving shaft 13 and a driven shaft 14, wherein the inner expansion sleeves 3 are in a round table shape with a narrow top and a wide bottom, when the upper end surfaces of the inner expansion sleeves 3 are flush with the upper end surfaces of corresponding shafts, the inner expansion sleeves 3 are installed in place, and then the two outer expansion sleeves 4 are sleeved outside the two inner expansion sleeves 3; because the inner expansion sleeve 3 is in transition fit with the shaft, and the fit clearance between the inner expansion sleeve 3 and the shaft is increased after the inner expansion sleeve 3 is heated, the inner expansion sleeve 3 can be easily installed on the shaft without a press or manual knocking and pressing; in addition, because the outer diameter of the outer expansion sleeve 4 is in transition fit with the mounting hole 6 of the rotor, the outer expansion sleeve 4 can be easily placed in the mounting hole 6 of the rotor and sleeved outside the inner expansion sleeve 3;
(7) Fixing two expansion sleeve pressing plates 5 on the driving rotor 1 and the driven rotor 2 through fasteners 7 respectively, and pressing the two expansion sleeve pressing plates on the top ends of the two outer expansion sleeves 4 respectively, so that the inner expansion sleeve 3 tightly embraces the shaft and the outer expansion sleeve 4 tightly presses the rotor, thereby fixing the rotor and the shaft together, as shown in fig. 6;
when in dismantling:
(1) Loosening the fastening piece 7 and taking out the expansion sleeve pressing plate 5;
(2) Taking out the outer expanding sleeve 4 through a pin puller and the first threaded hole site 10;
(3) The two rotors and the internal expanding sleeve 3 are taken out together through the pin puller and the second thread hole position.
Claims (10)
1. A mounting structure of rotor and axle which characterized in that: it is including the cover structure that rises, the cover structure that rises includes internal expanding cover (3), external expanding cover (4) and the cover clamp plate that rises (5), the mounting hole (6) at the rotor are installed in external expanding cover (4), the axle is installed in internal expanding cover (3), be transition fit between mounting hole (6), internal expanding cover (3) and the axle of external expanding cover (4) and rotor, it is fixed with the rotor through fastener (7) to rise cover clamp plate (5) pressure and establish on the top of external expanding cover (4) for it provides decurrent packing force to external expanding cover (4), the fitting surface of internal expanding cover (3) and external expanding cover (4) has an inclination (8), is used for making internal expanding cover (3) warp and embraces tight axle and external expanding cover (4) warp and rises the rotor.
2. A mounting structure of a rotor and a shaft according to claim 1, wherein: the inner expansion sleeve (3) is in a round table shape with a narrow top and a wide bottom, and the inner hole of the outer expansion sleeve (4) is matched with the outer shape of the inner expansion sleeve (3) so that the matching surface of the inner expansion sleeve and the outer expansion sleeve has an inclination (8).
3. A rotor and shaft mounting structure as set forth in claim 1, wherein: the top end of the external expansion sleeve (4) is provided with a pressing surface (9) which is pressed against the expansion sleeve pressing plate (5).
4. A mounting structure of a rotor and a shaft according to claim 3, wherein: and a first thread hole position (10) is arranged on the pressing surface (9) of the outer expansion sleeve (4).
5. A rotor and shaft mounting structure as set forth in claim 1, wherein: and a second thread hole position is arranged on the rotor.
6. The utility model provides a claw shape pump, includes the pump body (12), initiative rotor (1), driven rotor (2), driving shaft (13) and driven shaft (14) are installed on the pump body (12), its characterized in that: the driving rotor (1) and the driving shaft (13) and the driven rotor (2) and the driven shaft (14) are connected together through a rotor and shaft mounting structure as claimed in any one of claims 1 to 5.
7. An installation tool, which is applied to the claw pump of claim 6, and is characterized in that: it includes brace table (15), rotor locating plate (16), rotor locating pin (17) and clearance gauge, brace table (15) have the mesa that is used for supporting the pump body (12), be used for wearing to establish reservation hole site (18) of driving shaft (13) and driven shaft (14) and be used for restricting the limit structure (19) of the radial rotation of the pump body (12), the clearance gauge is used for placing between the top surface of the pump body (12) and the bottom surface of two rotors to the terminal surface clearance between rotor and the pump body (12) is fixed a position, rotor locating plate (16) are used for placing the top at two rotors, rotor locating pin (17) are used for fixing two rotors on rotor locating plate (16), in order to guarantee the meshing clearance and the initial position of two rotors.
8. The installation tool of claim 7, wherein: the supporting table (15) comprises an upper panel (20), a lower panel (21) and a side plate (22) connecting the upper panel (20) and the lower panel (21), the upper panel (20) is a table top for supporting the pump body (12), and reserved hole sites (18) used for penetrating through the driving shaft (13) and the driven shaft (14) are arranged on the upper panel (20) and the lower panel (21).
9. The installation tool according to claim 8, wherein: two reserved hole sites (18) on the upper panel (20) are stepped holes with large upper parts and small lower parts, the limiting structure (19) is a large hole (23) of the stepped hole, and the large hole (23) is in transition fit with an outer ring of a bearing (25) on the pump body (12).
10. The installation tool of claim 9, wherein: the small holes (24) of the stepped holes on the upper panel (20) are in clearance fit with the corresponding shafts, and the reserved hole positions (18) on the lower panel (21) are also in clearance fit with the corresponding shafts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220834875 | 2022-04-12 | ||
| CN2022208348751 | 2022-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217926274U true CN217926274U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220967521.4U Active CN217926274U (en) | 2022-04-12 | 2022-04-25 | Mounting structure, claw pump, installation frock of rotor and axle |
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| CN (1) | CN217926274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962253A (en) * | 2022-04-12 | 2022-08-30 | 宁波鲍斯能源装备股份有限公司 | Rotor and shaft mounting structure, claw pump and dismounting method |
-
2022
- 2022-04-25 CN CN202220967521.4U patent/CN217926274U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962253A (en) * | 2022-04-12 | 2022-08-30 | 宁波鲍斯能源装备股份有限公司 | Rotor and shaft mounting structure, claw pump and dismounting method |
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