The housing of the hydraulic dynamometer and the hydraulic dynamometer

Abstract

The present disclosure relates to a housing of a hydraulic dynamometer and a hydraulic dynamometer, including: a first housing having a water supply hole, a first chamber, a first mounting edge, a first side wall and a second side wall disposed opposite to each other, the first mounting edge being connected to the first side wall and extending towards the second side wall; a second housing having a water return hole, a second chamber, a second mounting edge connected to the first mounting edge, a third side wall and a fourth side wall disposed opposite to each other, the second mounting edge being connected to the third side wall and extending towards the fourth side wall; a first end cover having a first end cover portion and a second end cover portion connected to each other, and having a first through hole at the connection between the first end cover portion and the second end cover portion, the first end cover portion being connected to the first side wall, and the second end cover portion being connected to the third side wall; a second end cover having a third end cover portion and a fourth end cover portion connected to each other, and having a second through hole disposed opposite to the first through hole, the third end cover portion being connected to the second side wall, and the fourth end cover portion being connected to the fourth side wall.

Description

Technical Field

[0001] The present disclosure relates to the field of testing technologies, and particularly to a housing of a hydraulic dynamometer and a hydraulic dynamometer. Background Art

[0002] Currently, in the testing field, the existing housing of a hydraulic dynamometer needs to be connected to other structures of the hydraulic dynamometer through a swing bearing. At the same time, since the housing of the hydraulic dynamometer in the existing technology is an integrally formed structure, the installation difficulty of structures such as the rotor and the rotating shaft is increased, thereby reducing the disassembly and assembly efficiency of the hydraulic dynamometer.

[0003] It should be noted that the information disclosed in the above background art section is only used to enhance the understanding of the background of the present disclosure, and thus may include information that does not constitute the prior art known to those of ordinary skill in the art. Summary of the Invention

[0004] The purpose of the present disclosure is to provide a housing of a hydraulic dynamometer and a hydraulic dynamometer, and the housing of the hydraulic dynamometer can easily ensure the coaxiality requirements of two bearing seats in the rotor and can simplify the assembly difficulty of the hydraulic dynamometer.

[0005] The first aspect of the present disclosure provides a housing of a hydraulic dynamometer, including:

[0006] A first housing, the first housing having a water supply hole, a first chamber, a first mounting edge, a first side wall, and a second side wall, the first side wall and the second side wall being oppositely arranged, the first mounting edge being connected to the first side wall and extending in a direction close to the second side wall;

[0007] A second housing, the second housing having a water return hole, a second chamber, a second mounting edge, a third side wall, and a fourth side wall, the second mounting edge being connected to the first mounting edge, the third side wall and the fourth side wall being oppositely arranged, the second mounting edge being connected to the third side wall and extending in a direction close to the fourth side wall;

[0008] A first end cover, the first end cover having a first end cover portion and a second end cover portion, the first end cover portion being connected to the second end cover portion, and a first through hole being provided at the connection between the first end cover portion and the second end cover portion, the first end cover portion being connected to the first side wall, and the second end cover portion being connected to the third side wall;

[0009] A second end cover, the second end cover having a third end cover portion and a fourth end cover portion, the third end cover portion being connected to the fourth end cover portion, and a second through hole being provided at the connection between the third end cover portion and the fourth end cover portion, and the first through hole and the second through hole being oppositely arranged, the third end cover portion being connected to the second side wall, and the fourth end cover portion being connected to the fourth side wall.

[0010] In an exemplary embodiment of the present disclosure, the first end cover portion has a third mounting edge and a first arc edge, the third mounting edge is connected to the first arc edge, and a first sealing ring mounting boss is provided on a side of the first arc edge close to the first side wall;

[0011] The second end cover portion has a fourth mounting edge and a second arc edge, the fourth mounting edge is connected to the second arc edge, and the fourth mounting edge is connected to the third mounting edge. The second arc edge and the first arc edge enclose the first through hole. A second sealing ring mounting boss is provided on a side of the second arc edge close to the third side wall, and the second sealing ring mounting boss and the first sealing ring mounting boss are oppositely arranged.

[0012] In an exemplary embodiment of the present disclosure, the first arc edge further has a first sealing device mounting boss, and the first sealing device mounting boss is located on a side of the first sealing ring mounting boss away from the first side wall;

[0013] The second arc edge further has a second sealing device mounting boss, the second sealing device mounting boss is located on a side of the second sealing ring mounting boss away from the third side wall, and the second sealing device mounting boss and the first sealing device mounting boss are oppositely arranged.

[0014] In an exemplary embodiment of the present disclosure, the first arc edge further has a first groove and a first bearing seat mounting groove. The first groove is located between the first sealing ring mounting boss and the first sealing device mounting boss, and the first bearing seat mounting groove is located on a side of the first sealing device mounting boss away from the first side wall;

[0015] The second arc edge further has a second groove and a second bearing seat mounting groove. The second groove is located between the second sealing ring mounting boss and the second sealing device mounting boss, and the second groove and the first groove are oppositely arranged. The second bearing seat mounting groove is located on a side of the second sealing device mounting boss away from the third side wall, and the second bearing seat mounting groove and the first bearing seat mounting groove are oppositely arranged.

[0016] In an exemplary embodiment of the present disclosure, the third end cover portion has a fifth mounting edge and a third arc edge, the fifth mounting edge is connected to the third arc edge, and a third sealing ring mounting boss is provided on a side of the third arc edge close to the second side wall;

[0017] The fourth end cover portion has a sixth mounting edge and a fourth arc edge. The sixth mounting edge is connected to the fourth arc edge, and the sixth mounting edge is connected to the fifth mounting edge. The fourth arc edge and the third arc edge enclose the second through hole. On the side of the fourth arc edge close to the fourth side wall, there is a fourth sealing ring mounting boss, and the fourth sealing ring mounting boss and the third sealing ring mounting boss are arranged oppositely.

[0018] In an exemplary embodiment of the present disclosure, the third arc edge further has a third sealing device mounting boss, and the third sealing device mounting boss is located on the side of the third sealing ring mounting boss away from the second side wall;

[0019] The fourth arc edge further has a fourth sealing device mounting boss, and the fourth sealing device mounting boss is located on the side of the fourth sealing ring mounting boss away from the fourth side wall, and the third sealing device mounting boss and the fourth sealing device mounting boss are arranged oppositely.

[0020] In an exemplary embodiment of the present disclosure, the third arc edge further has a third groove and a third bearing seat mounting groove. The third groove is located between the third sealing ring mounting boss and the third sealing device mounting boss, and the third bearing seat mounting groove is located on the side of the third sealing device mounting boss away from the second side wall;

[0021] The fourth arc edge further has a fourth groove and a fourth bearing seat mounting groove. The fourth groove is located between the fourth sealing ring mounting boss and the fourth sealing device mounting boss, and the fourth groove and the third groove are arranged oppositely. The fourth bearing seat mounting groove is located on the side of the fourth sealing device mounting boss away from the fourth side wall, and the fourth bearing seat mounting groove and the third bearing seat mounting groove are arranged oppositely.

[0022] In an exemplary embodiment of the present disclosure, the first end cover portion has a first air supply hole, the second end cover portion has a first air return hole, the third end cover portion has a second air supply hole, and the fourth end cover portion has a second air return hole; wherein, the first air supply hole and the first air return hole are respectively connected to the first through hole.

[0023] In an exemplary embodiment of the present disclosure, the second housing has at least one vacuum circuit breaker installation screw hole.

[0024] The second aspect of the present disclosure provides a hydraulic dynamometer, including:

[0025] The housing of the hydraulic dynamometer, and the housing of the hydraulic dynamometer is the housing of the hydraulic dynamometer according to any one of the above-mentioned claims 1 to 9;

[0026] A rotating shaft that sequentially passes through the first through-hole and the second through-hole, and the rotating shaft is capable of rotating relative to the first housing and the second housing;

[0027] A rotor located within the first chamber and the second chamber and sleeved on the rotating shaft;

[0028] A measuring device sleeved on the rotating shaft.

[0029] The technical solution provided by the present disclosure can achieve the following beneficial effects:

[0030] The housing of the hydraulic dynamometer provided by the present disclosure is divided into two parts by providing a first housing and a second housing and connecting the first housing and the second housing through a first mounting edge and a second mounting edge. When assembling other components such as the rotor and the rotating shaft within the first chamber and the second chamber, it is only necessary to separate the first housing from the second housing, thereby making the assembly of other structures such as the rotor and the rotating shaft easier.

[0031] Meanwhile, the first end cover is divided into a first end cover part and a second end cover part, and the first end cover part is connected to the first side wall, and the second end cover part is connected to the third side wall, thereby dividing the first end cover into two parts as well; the second end cover is divided into a third end cover part and a fourth end cover part, and the third end cover part is connected to the second side wall, and the fourth end cover part is connected to the fourth side wall, thereby dividing the second end cover into two parts as well. By dividing the first end cover and the second end cover into two parts respectively, when assembling other components such as the rotor and the rotating shaft, it is only necessary to separate the first end cover and the second end cover respectively, thus further simplifying the assembly difficulty of other components such as the rotor and the rotating shaft within the housing of the hydraulic dynamometer. Therefore, the housing of the hydraulic dynamometer provided by the present disclosure can significantly improve the assembly efficiency of each component of the hydraulic dynamometer.

[0032] In addition, when the housing of the hydraulic dynamometer provided by the present disclosure is connected to other structures, a swing bearing is not required, thus facilitating the guarantee of the coaxiality requirement of the two bearing seats in the rotor.

[0033] It should be understood that the above general description and the following detailed description are only exemplary and explanatory and should not limit the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The accompanying drawings herein are incorporated into the specification and constitute a part of this specification, showing embodiments consistent with the present disclosure and, together with the specification, used to explain the principles of the present disclosure. Obviously, the accompanying drawings in the following description are only some embodiments of the present disclosure, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0035] Figure 1 The structural schematic diagram of the housing of a hydraulic dynamometer according to an exemplary embodiment of the present disclosure is shown.

[0036] Explanation of reference numerals:

[0037] 1. First housing; 2. Second housing; 3. First end cover part; 4. Second end cover part; 5. First through hole; 6. Third end cover part; 7. Fourth end cover part; 8. Second through hole; 9. Nut; 10. Screw rod; 11. Water supply hole; 12. Water supply channel; 13. First side wall; 14. Second side wall; 15. First chamber; 21. Water return hole; 22. Water return channel; 23. Third side wall; 24. Fourth side wall; 25. Second chamber; 26. Vacuum breaker valve installation screw hole; 31. First sealing ring installation boss; 32. First sealing device installation boss; 33. First groove; 34. First bearing seat installation groove; 35. First air supply hole; 36. First bearing housing installation boss; 41. Second sealing ring installation boss; 42. Second sealing device installation boss; 43. Second groove; 44. Second bearing seat installation groove; 45. First air return hole; 46. Second bearing housing installation boss; 61. Third sealing ring installation boss; 62. Third sealing device installation boss; 63. Third groove; 64. Third bearing seat installation groove; 65. Second air supply hole; 66. Third bearing housing installation boss; 71. Fourth sealing ring installation boss; 72. Fourth sealing device installation boss; 73. Fourth groove; 74. Fourth bearing seat installation groove; 75. Second air return hole; 76. Fourth bearing housing installation boss. Detailed implementation manners

[0038] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. Like reference numerals in the figures denote like or similar structures, and thus their detailed descriptions will be omitted.

[0039] The terms "a", "an", "the", and "said" are used to denote the presence of one or more elements / components / etc.; the terms "comprising" and "having" are used to mean an open inclusion and mean that there may be additional elements / components / etc. in addition to the listed elements / components / etc.

[0040] The present disclosure first provides a housing of a hydraulic dynamometer, which can significantly improve the assembly efficiency of various components of the hydraulic dynamometer, and when the housing of the hydraulic dynamometer is connected to other structures, a swing bearing is not required, so that it is easy to ensure the coaxiality requirement of the two bearing seats in the rotor.

[0041] The following is a detailed description of the housing of the above-mentioned hydraulic dynamometer:

[0042] As Figure 1 shown, the housing of the above-mentioned hydraulic dynamometer may include a first housing 1, a second housing 2, a first end cover, and a second end cover.

[0043] The above-mentioned first housing 1 may have a water supply hole 11, a first chamber 15, a first mounting edge, a first side wall 13, and a second side wall 14. Among them, the first side wall 13 may be disposed opposite to the second side wall 14. It can be understood that the first side wall 13 and the second side wall 14 may be located on both sides of the first housing 1 respectively. The first mounting edge may be connected to the first side wall 13 and extend in a direction close to the second side wall 14, but not limited thereto. The first mounting edge may also be connected to the second side wall 14 and extend in a direction close to the first side wall 13, which are all within the protection scope of the present disclosure. The first chamber 15 may be located in the area surrounded by the first side wall 13, the second side wall 14, and the first mounting edge.

[0044] The above-mentioned second housing 2 may have a water return hole 21, a second chamber 25, a second mounting edge, a third side wall 23, and a fourth side wall 24. Among them, the third side wall 23 may be disposed opposite to the fourth side wall 24. It can be understood that the third side wall 23 and the fourth side wall 24 may be located on both sides of the second housing 2 respectively. The second mounting edge may be connected to the third side wall 23 and extend in a direction close to the fourth side wall 24, but not limited thereto. The second mounting edge may also be connected to the fourth side wall 24 and extend in a direction close to the third side wall 23, which are all within the protection scope of the present disclosure. The second chamber 25 may be located in the area surrounded by the third side wall 23, the fourth side wall 24, and the second mounting edge.

[0045] In an embodiment of the present disclosure, the above-mentioned water supply hole 11 may be located on the side of the first housing 1 away from the second housing 2, and the water return hole 21 may be located on the side of the second housing 2 away from the first housing 1, but not limited thereto. The present disclosure does not limit the positions of the water supply hole 11 and the water return hole 21, and they can be set according to actual needs, which are all within the protection scope of the present disclosure.

[0046] In one embodiment of the present disclosure, the first side wall 13 and the third side wall 23 can be located on the same side, that is: the first side wall 13 and the third side wall 23 can be in contact with each other; the second side wall 14 and the fourth side wall 24 can be located on the same side, that is: the second side wall 14 and the fourth side wall 24 can be in contact with each other. The rotating shaft of the hydraulic dynamometer can sequentially pass through the contact portion of the first side wall 13 and the third side wall 23 and the contact portion of the second side wall 14 and the fourth side wall 24. It can be understood that the first side wall 13 can have a first arc opening, the second side wall 14 can have a second arc opening, the third side wall 23 can have a third arc opening, and the fourth side wall 24 can have a fourth arc opening.

[0047] Further, the first arc opening can be located on the side of the first side wall 13 close to the third side wall 23, the third arc opening can be located on the side of the third side wall 23 close to the first side wall 13, and the first arc opening can be disposed opposite to the third arc opening, that is: when the first side wall 13 is in contact with the third side wall 23, the first arc opening and the third arc opening can enclose a third through hole. The second arc opening can be located on the side of the second side wall 14 close to the fourth side wall 24, the fourth arc opening can be located on the side of the fourth side wall 24 close to the second side wall 14, and the second arc opening can be disposed opposite to the fourth arc opening, that is: when the second side wall 14 is in contact with the fourth side wall 24, the second arc opening and the fourth arc opening can enclose a fourth through hole. Thus, the rotating shaft can sequentially pass through the third through hole and the fourth through hole.

[0048] By providing the first housing 1 and the second housing 2, the housing in the outer housing of the hydraulic dynamometer can be separated. When other components such as the rotating shaft and the rotor need to be assembled, only the first housing 1 and the second housing 2 need to be disassembled, thereby simplifying the assembly difficulty and improving the assembly efficiency.

[0049] In one embodiment of the present disclosure, the first housing 1 can further have a water supply channel 12. One end of the water supply channel 12 can be connected to the water supply hole 11, and the other end can be connected to the first chamber 15. The water supply channel 12 can have a first curvature. By providing the first curvature, it is convenient for the water supply hole 11 to supply water and the size of the first housing 1 can be reduced. The first curvature can be 90°, but is not limited thereto. The present disclosure does not limit the value of the first curvature and can be set according to actual needs.

[0050] Further, the water supply channel 12 can be uniformly curved, so as to ensure that the water supply channel 12 will not affect the test result of the water power.

[0051] In an embodiment of the present disclosure, the second housing 2 may further have a return water channel 22. One end of the return water channel 22 may be connected to the return water hole 21, and the other end may be connected to the second chamber 25. The return water channel 22 may have a second curvature. By setting the second curvature, it is possible to facilitate the return of water through the return water hole 21 and reduce the size of the second housing 2. The value of the second curvature may be the same as that of the first curvature, but is not limited thereto. The values of the second curvature and the first curvature may also be different. The second curvature may be 90°, but is not limited thereto. The present disclosure does not limit the value of the second curvature and may be set according to actual needs.

[0052] Further, the return water channel 22 may be uniformly curved, so as to ensure that the return water channel 22 will not affect the test results of the water power.

[0053] In an embodiment of the present disclosure, the above-mentioned second housing 2 may further have at least one vacuum breaker mounting screw hole 26 for mounting a vacuum breaker. For example, three vacuum breaker mounting screw holes 26 may be provided on the second housing 2, but are not limited thereto. Other numbers may also be used and can be set according to actual needs, which are all within the protection scope of the present disclosure.

[0054] The above-mentioned first end cover may have a first end cover portion 3 and a second end cover portion 4. Among them, the first end cover portion 3 may be connected to the second end cover portion 4, and a first through hole 5 may be provided at the connection between the first end cover portion 3 and the second end cover portion 4. The first end cover portion 3 may be connected to the first side wall 13, and the second end cover portion 4 may be connected to the third side wall 23.

[0055] Further, the first end cover portion 3 may be connected to the first side wall 13 through a screw 10 and a nut 9, and the second end cover portion 4 may also be connected to the third side wall 23 through a screw 10 and a nut 9. The first end cover portion 3 and the second end cover portion 4 may also be connected through a screw 10 and a nut 9, but are not limited thereto. Other connection methods may also be used between the first end cover portion 3 and the first side wall 13, the second end cover portion 4 and the third side wall 23, and the first end cover portion 3 and the second end cover portion 4, such as: bonding, etc., which are all within the protection scope of the present disclosure.

[0056] Furthermore, in order to ensure the stable connection between the first end cover portion 3 and the first side wall 13, and the second end cover portion 4 and the third side wall 23, multiple rows of screws 10 and nuts 9 may be provided, and each row may have multiple screws 10 and nuts 9.

[0057] The above-mentioned first end cover portion 3 may have a third mounting edge and a first arc edge. Among them, the third mounting edge may be connected to the first arc edge, and a first sealing ring mounting boss 31 may be provided on the side of the first arc edge close to the first side wall 13.

[0058] The second end cover portion 4 may have a fourth mounting edge and a second arc edge. Among them, the fourth mounting edge may be connected to the second arc edge, and the fourth mounting edge may be connected to the third mounting edge. The second arc edge and the first arc edge may enclose a first through hole 5. It can be understood that the first arc edge is located on the side of the first end cover portion 3 close to the second end cover portion 4, the second arc edge is located on the side of the second end cover portion 4 close to the first end cover portion 3, and the first arc edge and the second arc edge may be oppositely arranged. By providing the first through hole 5, the rotating shaft can pass through the first end cover.

[0059] On the side of the second arc edge close to the third side wall 23, there may be a second sealing ring mounting boss 41, and the second sealing ring mounting boss 41 and the first sealing ring mounting boss 31 are oppositely arranged. By providing the oppositely arranged first sealing ring mounting boss 31 and second sealing ring mounting boss 41, the sealing ring can be located between the first sealing ring mounting boss 31 and the second sealing ring mounting boss 41, thereby ensuring the sealing performance of the housing of the hydraulic dynamometer.

[0060] The present disclosure does not limit the radian of the first arc edge, the radian of the second arc edge, the height and width of the first sealing ring mounting boss 31, and the height and width of the second sealing ring mounting boss 41. They can be set according to actual needs as long as the first arc edge and the second arc edge can enclose the first through hole 5 and the sealing ring can be installed between the first sealing ring mounting boss 31 and the second sealing ring mounting boss 41.

[0061] In an embodiment of the present disclosure, the first arc edge may further have a first sealing device mounting boss 32, and the first sealing device mounting boss 32 may be located on the side of the first sealing ring mounting boss 31 away from the first side wall 13.

[0062] Furthermore, the second arc edge may further have a second sealing device mounting boss 42. The second sealing device mounting boss 42 may be located on the side of the second sealing ring mounting boss 41 away from the third side wall 23, and the second sealing device mounting boss 42 and the first sealing device mounting boss 32 may be oppositely arranged. By providing the second sealing device mounting boss 42 and the first sealing device mounting boss 32, the sealing device can be located between the second sealing device mounting boss 42 and the first sealing device mounting boss 32, thereby further ensuring the sealing performance of the housing of the hydraulic dynamometer. For example, the sealing device may be a carbon sealing device, but is not limited thereto, and may also be other sealing devices, which are all within the protection scope of the present disclosure. In addition, the present disclosure does not limit the height and width of the first sealing device mounting boss 32 and the second sealing device mounting boss 42, and they can be set according to actual needs.

[0063] Further, the first arc edge may further have a first groove 33, and the first groove 33 may be located between the first seal ring mounting boss 31 and the first seal device mounting boss 32. The second arc edge may further have a second groove 43, and the second groove 43 may be located between the second seal ring mounting boss 41 and the second seal device mounting boss 42, and the second groove 43 may be disposed opposite to the first groove 33. By providing the first groove 33 and the second groove 43, a seal can be provided between the first groove 33 and the second groove 43 to further enhance the seal. At the same time, a stopper can also be provided between the first groove 33 and the second groove 43 for stopping the seal ring provided between the first seal ring mounting boss 31 and the second seal ring mounting boss 41 to prevent the seal ring from falling off. In addition, the present disclosure does not limit the depth and width of the first groove 33 and the second groove 43, and they can be set according to actual needs.

[0064] Furthermore, the first arc edge may further have a first bearing seat mounting groove 34, and the first bearing seat mounting groove 34 may be located on the side of the first seal device mounting boss 32 away from the first side wall 13. The second arc edge may further have a second bearing seat mounting groove 44, and the second bearing seat mounting groove 44 may be located on the side of the second seal device mounting boss 42 away from the third side wall 23, and the second bearing seat mounting groove 44 is disposed opposite to the first bearing seat mounting groove 34. By providing the first bearing seat mounting groove 34 and the second bearing seat mounting groove 44 disposed opposite to each other for mounting the bearing seat. At the same time, the present disclosure does not limit the depth and width of the first bearing seat mounting groove 34 and the second bearing seat mounting groove 44, and they can be set according to actual needs.

[0065] In an embodiment of the present disclosure, the first end cover portion 3 may further have a first bearing housing mounting boss 36, and the first bearing housing mounting boss 36 is located on the side of the first bearing seat mounting groove 34 away from the second bearing seat mounting groove 44. The second end cover portion 4 may further have a second bearing housing mounting boss 46, and the second bearing housing mounting boss 46 may be located on the side of the second bearing seat mounting groove 44 away from the first bearing seat mounting groove 34. By providing the first bearing housing mounting boss 36 and the second bearing housing mounting boss 46 for mounting the bearing housing.

[0066] Further, the width of the first bearing housing mounting boss 36 may be the same as the width of the first bearing seat mounting groove 34, and the width of the second bearing housing mounting boss 46 may be the same as the width of the second bearing seat mounting groove 44, but it is not limited thereto and they may also be different, and can be set according to actual needs.

[0067] In one embodiment of the present disclosure, the first end cover portion 3 may have a first air supply hole 35, and the first air supply hole 35 may be connected to the first through hole 5 for supplying sealing gas, thereby making the sealing effect of the hydraulic dynamometer better.

[0068] The second end cover portion 4 may have a first air return hole 45, and the first air return hole 45 may be connected to the first through hole 5 for recovering and releasing sealing gas, lubricating oil and leaked water.

[0069] The above-mentioned second end cover may have a third end cover portion 6 and a fourth end cover portion 7. Among them, the third end cover portion 6 may be connected to the fourth end cover portion 7, and a second through hole 8 may be provided at the connection between the third end cover portion 6 and the fourth end cover portion 7. The second through hole 8 may be disposed opposite to the first through hole 5. The third end cover portion 6 may be connected to the second side wall 14, and the fourth end cover portion 7 may be connected to the fourth side wall 24.

[0070] Furthermore, the third end cover portion 6 may be connected to the second side wall 14 by screws 10 and nuts 9, and the fourth end cover portion 7 may also be connected to the fourth side wall 24 by screws 10 and nuts 9. The third end cover portion 6 and the fourth end cover portion 7 may also be connected by screws 10 and nuts 9, but not limited thereto. Other connection methods may also be adopted between the third end cover portion 6 and the second side wall 14, the fourth end cover portion 7 and the fourth side wall 24, and between the third end cover portion 6 and the fourth end cover portion 7, such as bonding, etc., which are all within the protection scope of the present disclosure.

[0071] Furthermore, in order to ensure the stable connection between the third end cover portion 6 and the second side wall 14, and the fourth end cover portion 7 and the fourth side wall 24, multiple rows of screws 10 and nuts 9 may be provided, and each row may have multiple screws 10 and nuts 9.

[0072] The above-mentioned third end cover portion 6 may have a fifth mounting edge and a third arc edge. Among them, the fifth mounting edge may be connected to the third arc edge, and a third sealing ring mounting boss 61 may be provided on the side of the third arc edge close to the second side wall 14.

[0073] The fourth end cover portion 7 may have a sixth mounting edge and a fourth arc edge. Among them, the sixth mounting edge may be connected to the fourth arc edge, and the sixth mounting edge may be connected to the fifth mounting edge. The fourth arc edge and the third arc edge may enclose the second through hole 8. It can be understood that the third arc edge is located on the side of the third end cover portion 6 close to the fourth end cover portion 7, the fourth arc edge is located on the side of the fourth end cover portion 7 close to the third end cover portion 6, and the third arc edge and the fourth arc edge may be disposed opposite to each other. By providing the second through hole 8, the rotating shaft can pass through the second end cover.

[0074] On one side of the fourth arc edge close to the third side wall 23, there may be a fourth seal ring mounting boss 71, and the fourth seal ring mounting boss 71 and the third seal ring mounting boss 61 are arranged oppositely. By arranging the fourth seal ring mounting boss 71 and the third seal ring mounting boss 61 oppositely, the seal ring can be located between the fourth seal ring mounting boss 71 and the third seal ring mounting boss 61, thus ensuring the sealing performance of the shell of the hydraulic dynamometer.

[0075] The present disclosure does not limit the radian of the third arc edge, the radian of the fourth arc edge, the height and width of the third seal ring mounting boss 61, and the height and width of the fourth seal ring mounting boss 71. They can be set according to actual needs as long as the third arc edge and the fourth arc edge can enclose the first through hole 5 and the seal ring can be installed between the third seal ring mounting boss 61 and the fourth seal ring mounting boss 71.

[0076] In an embodiment of the present disclosure, the third arc edge may further have a third seal device mounting boss 62, and the third seal device mounting boss 62 may be located on the side of the third seal ring mounting boss 61 away from the second side wall 14.

[0077] Furthermore, the fourth arc edge may further have a fourth seal device mounting boss 72, and the fourth seal device mounting boss 72 may be located on the side of the fourth seal ring mounting boss 71 away from the fourth side wall 24, and the fourth seal device mounting boss 72 and the third seal device mounting boss 62 may be arranged oppositely. By arranging the fourth seal device mounting boss 72 and the third seal device mounting boss 62, the seal device can be located between the fourth seal device mounting boss 72 and the third seal device mounting boss 62, thus further ensuring the sealing performance of the shell of the hydraulic dynamometer. In addition, the present disclosure does not limit the height and width of the third seal device mounting boss 62 and the fourth seal device mounting boss 72, and they can be set according to actual needs.

[0078] Further, the third arc edge may further have a third groove 63, and the third groove 63 may be located between the third sealing ring mounting boss 61 and the third sealing device mounting boss 62. The fourth arc edge may further have a fourth groove 73, and the fourth groove 73 may be located between the fourth sealing ring mounting boss 71 and the fourth sealing device mounting boss 72, and the fourth groove 73 may be disposed opposite to the third groove 63. By providing the fourth groove 73 and the third groove 63, a seal can be provided between the fourth groove 73 and the third groove 63 to further enhance the seal. At the same time, a stopper may also be provided between the fourth groove 73 and the third groove 63 for stopping the sealing ring provided between the third sealing ring mounting boss 61 and the fourth sealing ring mounting boss 71 to prevent the sealing ring from falling off. In addition, the present disclosure does not limit the depth and width of the third groove 63 and the fourth groove 73, and they can be set according to actual needs.

[0079] Furthermore, the third arc edge may further have a third bearing seat mounting groove 64, and the third bearing seat mounting groove 64 may be located on a side of the third sealing device mounting boss 62 away from the second side wall 14. The fourth arc edge may further have a fourth bearing seat mounting groove 74, and the fourth bearing seat mounting groove 74 may be located on a side of the fourth sealing device mounting boss 72 away from the fourth side wall 24, and the fourth bearing seat mounting groove 74 is disposed opposite to the third bearing seat mounting groove 64. By providing the oppositely disposed third bearing seat mounting groove 64 and the fourth bearing seat mounting groove 74 for mounting the bearing seat. At the same time, the present disclosure does not limit the depth and width of the third bearing seat mounting groove 64 and the fourth bearing seat mounting groove 74, and they can be set according to actual needs.

[0080] In an embodiment of the present disclosure, the third end cover portion 6 may further have a third bearing housing mounting boss 66, and the third bearing housing mounting boss 66 is located on a side of the third bearing seat mounting groove 64 away from the fourth bearing seat mounting groove 74. The fourth end cover portion 7 may further have a fourth bearing housing mounting boss 76, and the fourth bearing housing mounting boss 76 may be located on a side of the fourth bearing seat mounting groove 74 away from the third bearing seat mounting groove 64. By providing the third bearing housing mounting boss 66 and the fourth bearing housing mounting boss 76 for mounting the bearing housing.

[0081] Further, the width of the third bearing housing mounting boss 66 may be the same as the width of the third bearing seat mounting groove 64, and the width of the fourth bearing housing mounting boss 76 may be the same as the width of the fourth bearing seat mounting groove 74, but it is not limited thereto, and they may also be different and can be set according to actual needs.

[0082] In one embodiment of the present disclosure, the second end cover portion 4 may have a second air supply hole 65, and the second air supply hole 65 may be connected to the second through hole 8 for providing sealing gas, so as to make the sealing effect of the hydraulic dynamometer better.

[0083] The fourth end cover portion 7 may have a second air return hole 75, and the second air return hole 75 may be connected to the second through hole 8 for recovering and releasing sealing gas, lubricating oil and leaked water.

[0084] The housing of the hydraulic dynamometer provided by the present disclosure divides the first end cover into a first end cover portion 3 and a second end cover portion 4, and divides the second end cover into a third end cover portion 6 and a fourth end cover portion 7. Thus, when assembling components such as the rotating shaft and the rotor, it is only necessary to open the first end cover and the second end cover, which further reduces the assembly difficulty and improves the assembly efficiency. At the same time, since both the first end cover and the second end cover are separate structures and are provided with bearing housing mounting bosses, a swing bearing is not required during the installation of the housing of the hydraulic dynamometer and other structures, thereby ensuring the coaxiality of the two bearing seats in the rotor and improving the accuracy of hydraulic testing.

[0085] A second aspect of the present disclosure provides a hydraulic dynamometer, which may include: a housing of the hydraulic dynamometer, a rotating shaft, a rotor, and a measuring device. Among them, the housing of the hydraulic dynamometer may be the housing of the hydraulic dynamometer described above.

[0086] As Figure 1 shown, the rotating shaft may sequentially pass through the first through hole 5 and the second through hole 8. Further, it may sequentially pass through the third through hole and the fourth through hole, and the rotating shaft can rotate relative to the first housing 1 and the second housing 2. The rotor may be located in the first chamber 15 and the second chamber 25, and sleeved on the rotating shaft. The rotor may have two bearings and two bearing seats. One of the two bearing seats of the rotor may be located in the first bearing seat mounting groove 34 and the second bearing seat mounting groove 44, and the other may be located in the third bearing seat mounting groove 64 and the fourth bearing seat mounting groove 74. The two bearings may be respectively located in the two bearing seats.

[0087] The measuring device may be sleeved on the rotating shaft, and the measuring device may be located on the side of the first end cover away from the second end cover, or on the side of the second end cover away from the first end cover, or in the first chamber 15 and the second chamber 25, and can be set according to actual needs, which are all within the protection scope of the present disclosure.

[0088] The hydraulic dynamometer provided by the present disclosure can significantly reduce the assembly difficulty and thus improve the assembly efficiency. At the same time, a swing bearing is not required during the installation of the housing of the hydraulic dynamometer provided by the present disclosure and other structures, thereby ensuring the coaxiality of the two bearing seats in the rotor and improving the accuracy of hydraulic testing.

[0089] Those skilled in the art will readily conceive of other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. The present disclosure is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include known common general knowledge or conventional technical means in the technical field not disclosed in the present disclosure. The specification and examples are only regarded as exemplary, and the true scope and spirit of the present disclosure are pointed out by the appended claims.

Claims

1. A housing of a hydraulic dynamometer, characterized in that, Comprising: A first housing having a water supply hole, a first chamber, a first mounting edge, a first side wall, and a second side wall, the first side wall and the second side wall being disposed opposite to each other, the first mounting edge being connected to the first side wall and extending towards the second side wall; A second housing having a water return hole, a second chamber, a second mounting edge, a third side wall, and a fourth side wall, the second mounting edge being connected to the first mounting edge, the third side wall and the fourth side wall being disposed opposite to each other, the second mounting edge being connected to the third side wall and extending towards the fourth side wall; A first end cover having a first end cover portion and a second end cover portion, the first end cover portion being connected to the second end cover portion, and a first through hole being provided at the connection between the first end cover portion and the second end cover portion, the first end cover portion being connected to the first side wall, and the second end cover portion being connected to the third side wall; A second end cover having a third end cover portion and a fourth end cover portion, the third end cover portion being connected to the fourth end cover portion, and a second through hole being provided at the connection between the third end cover portion and the fourth end cover portion, and the first through hole and the second through hole being disposed opposite to each other, the third end cover portion being connected to the second side wall, and the fourth end cover portion being connected to the fourth side wall.

2. The outer shell of the hydraulic dynamometer according to claim 1, characterized in that The first end cover portion has a third mounting edge and a first arc edge, the third mounting edge being connected to the first arc edge, and a first sealing ring mounting boss being provided on the side of the first arc edge close to the first side wall; The second end cover portion has a fourth mounting edge and a second arc edge, the fourth mounting edge being connected to the second arc edge, and the fourth mounting edge being connected to the third mounting edge, the second arc edge and the first arc edge enclosing the first through hole, a second sealing ring mounting boss being provided on the side of the second arc edge close to the third side wall, and the second sealing ring mounting boss and the first sealing ring mounting boss being disposed opposite to each other.

3. The outer shell of the hydraulic dynamometer according to claim 2, characterized in that The first arc edge further has a first sealing device mounting boss, the first sealing device mounting boss being located on the side of the first sealing ring mounting boss away from the first side wall; The second arc edge further has a second sealing device mounting boss, the second sealing device mounting boss being located on the side of the second sealing ring mounting boss away from the third side wall, and the second sealing device mounting boss and the first sealing device mounting boss being disposed opposite to each other.

4. The outer shell of the hydraulic dynamometer according to claim 3, characterized in that The first arc edge further has a first groove and a first bearing seat mounting groove, the first groove being located between the first sealing ring mounting boss and the first sealing device mounting boss, and the first bearing seat mounting groove being located on the side of the first sealing device mounting boss away from the first side wall; The second arc edge further has a second groove and a second bearing seat mounting groove. The second groove is located between the second sealing ring mounting boss and the second sealing device mounting boss, and the second groove and the first groove are arranged oppositely. The second bearing seat mounting groove is located on the side of the second sealing device mounting boss away from the third side wall, and the second bearing seat mounting groove and the first bearing seat mounting groove are arranged oppositely.

5. The housing of the hydraulic dynamometer according to claim 1, wherein The third end cover portion has a fifth mounting edge and a third arc edge. The fifth mounting edge is connected to the third arc edge, and a third sealing ring mounting boss is provided on the side of the third arc edge close to the second side wall; The fourth end cover portion has a sixth mounting edge and a fourth arc edge. The sixth mounting edge is connected to the fourth arc edge, and the sixth mounting edge is connected to the fifth mounting edge. The fourth arc edge and the third arc edge enclose the second through hole. A fourth sealing ring mounting boss is provided on the side of the fourth arc edge close to the fourth side wall, and the fourth sealing ring mounting boss and the third sealing ring mounting boss are arranged oppositely.

6. The housing of the hydraulic dynamometer according to claim 5, wherein The third arc edge further has a third sealing device mounting boss, and the third sealing device mounting boss is located on the side of the third sealing ring mounting boss away from the second side wall; The fourth arc edge further has a fourth sealing device mounting boss, and the fourth sealing device mounting boss is located on the side of the fourth sealing ring mounting boss away from the fourth side wall, and the third sealing device mounting boss and the fourth sealing device mounting boss are arranged oppositely.

7. The housing of the hydraulic dynamometer according to claim 6, wherein The third arc edge further has a third groove and a third bearing seat mounting groove. The third groove is located between the third sealing ring mounting boss and the third sealing device mounting boss, and the third bearing seat mounting groove is located on the side of the third sealing device mounting boss away from the second side wall; The fourth arc edge further has a fourth groove and a fourth bearing seat mounting groove. The fourth groove is located between the fourth sealing ring mounting boss and the fourth sealing device mounting boss, and the fourth groove and the third groove are arranged oppositely. The fourth bearing seat mounting groove is located on the side of the fourth sealing device mounting boss away from the fourth side wall, and the fourth bearing seat mounting groove and the third bearing seat mounting groove are arranged oppositely.

8. The housing of the hydraulic dynamometer according to claim 1, characterized in that, The first end cover portion has a first air supply hole, the second end cover portion has a first air return hole, the third end cover portion has a second air supply hole, and the fourth end cover portion has a second air return hole; wherein, the first air supply hole and the first air return hole are respectively connected to the first through hole.

9. The housing of the hydraulic dynamometer according to claim 1, characterized in that, The second housing has at least one vacuum breaker mounting screw hole.

10. A hydraulic dynamometer, characterized in that, Comprising: The housing of the hydraulic dynamometer, and the housing of the hydraulic dynamometer is the housing of the hydraulic dynamometer according to any one of claims 1 to 9 above. A rotating shaft that sequentially passes through the first through-hole and the second through-hole, and the rotating shaft is capable of rotating relative to the first housing and the second housing; A rotor that is located in the first chamber and the second chamber and is sleeved on the rotating shaft; A measuring device that is sleeved on the rotating shaft.

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