Universal transition structure for transmission test bench

Abstract

The utility model discloses a universal transition structure for a transmission test bench. The universal transition structure is characterized in that a second circular ring is nested in a first circular ring; the third circular ring is nested in the second circular ring; the fourth circular ring is nested in the third circular ring, and the first circular ring, the second circular ring and the third circular ring are sequentially nested in a step shape; the second ring and the fourth ring have the same height; the first pot is arranged on the first circular ring; the second pot is arranged on the second circular ring; the third pot is arranged on the third circular ring and the fourth circular ring. According to the utility model, four clutch shell interfaces are integrated, so that the transition number is reduced, and the transition processing, manufacturing and storage management cost is saved. Meanwhile, most commercial vehicle transmissions are basically covered, replacement transition is basically not needed when test items are replaced, and the assembly efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical manufacturing and relates to a universal transition structure of a transmission test bench. Background Art

[0002] At present, the clutch housing interfaces of domestic commercial vehicle (heavy truck, medium truck, light truck, bus, etc.) transmissions are basically standardized. The most common ones are four types: No. 1 pot, No. 2 pot, No. 3 pot① and No. 3 pot②. In addition to the different sizes of the four interfaces, there are also the following overlapping interference problems: No. 2 pot convex stop size The outer ring size of the third pot① There is overlapping interference; the size of the convex stop of pot No. 2 The outer ring size of the third pot ② There is overlapping interference; the bolt hole distribution size of pot No. 3① and pot No. 3② is different. Therefore, different interface sizes correspond to different transmission test bench transitions. When conducting transmission tests, the bench transition needs to be replaced according to the transmission interface size. Frequent disassembly increases the workload and easily damages the threaded holes of the bench and transition. Too many transitions also cause storage and management problems. Utility Model Content

[0003] The utility model provides a universal transition structure for a transmission test bench, which is used to solve the problem in the prior art that the bench transition is replaced according to the size of the transmission interface; frequent disassembly increases the workload and easily damages the threaded holes of the bench and the transition.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A universal transition structure of a transmission test bench, comprising: a mounting device, a first pot 1, a second pot 2 and a third pot;

[0006] The mounting device is in the shape of a ring, and includes: a first ring 4, a second ring 5, a third ring 6 and a fourth ring 7; the second ring 5 is nested in the first ring 4; the third ring 6 is nested in the second ring 5; the fourth ring 7 is nested in the third ring 6, and the first ring 4, the second ring 5 and the third ring 6 are nested in a step-like manner in sequence; the second ring 5 has the same height as the fourth ring 7; pot No. 1 is arranged on the first ring 4; pot No. 2 is arranged on the second ring 5; pot No. 3 is arranged on the third ring 6 and the fourth ring 7.

[0007] The further improvement of the utility model is:

[0008] Furthermore, the mounting device is externally connected to the fixing frame; a fifth through hole 25 is provided on the first ring 4; the fifth through hole 25 is provided at the outermost end of the first ring 4; the mounting device is connected to the fixing frame by bolts passing through the fifth through hole 25 and the through holes on the fixing frame.

[0009] Furthermore, pot No. 1 includes a first boss 8, a first circular end face 9 and a first end column 10; the first circular end face 9 is arranged on the side of the first boss 8; the first end column 10 is arranged at one end of the first boss 8; the first circular end face 9 is provided with a first bolt hole 26; the first circular ring 4 is provided with a first through hole 11, and pot No. 1 is fixed to the first circular ring 4 by bolts passing through the first bolt hole 26 and the first through hole 11.

[0010] Furthermore, the first end column 10 is arranged on the step between the first circular ring 4 and the second circular ring 5 .

[0011] Furthermore, the second pot 2 includes a second boss 12, a second circular end face 13 and a second end column 14; the second circular end face 13 is arranged on the side of the second boss 12; the second end column 14 is arranged at one end of the second boss 12; the second circular end face 13 is provided with a second bolt hole 27; the second circular ring 5 is provided with a second through hole 15, and the second pot 1 is fixed to the second circular ring 5 by bolts passing through the second bolt hole 27 and the second through hole 15.

[0012] Furthermore, the second end column 14 is arranged on the step between the second circular ring 5 and the third circular ring 6 .

[0013] Furthermore, pot No. 3 includes a first pot No. 3 16 and a second pot No. 3 17; the first pot No. 3 16 and the second pot No. 3 17 have the same structure; the first pot No. 3 16 includes a third boss 18, a third circular ring end face 19 and a third end column 20; the third circular ring end face 19 is arranged on the side of the third boss 18; the third end column 20 is arranged at one end of the third boss 18; the third circular ring end face 19 is provided with a third bolt hole 28; the third circular ring 6 is provided with a third through hole 21 and a fourth through hole 22, and the first pot No. 3 16 is fixed to the third circular ring 6 by bolts passing through the third bolt hole 28 and the third through hole 21.

[0014] Furthermore, a fourth bolt hole 29 is provided on the second and third pots 17 ; the second and third pots 17 are fixed to the third circular ring 6 by bolts passing through the fourth bolt holes 29 and the fourth through holes 22 ; the third end column 20 is in contact with the inner side surface of the fourth circular ring 7 .

[0015] Furthermore, the fourth ring 7 is provided with countersunk holes 30 ; the number of the countersunk holes 30 is equal to the sum of the number of the third through holes 21 and the fourth through holes 22 , and the countersunk holes 30 correspond to the third through holes 21 and the fourth through holes 22 one by one.

[0016] Furthermore, the size of the first No. 3 pot 16 is larger than that of the second No. 3 pot 17 ; the third through hole 21 of the first No. 3 pot 16 and the fourth through hole 22 on the second No. 3 pot 17 are distributed at different positions.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model nests the second ring in the first ring; the third ring in the second ring; the fourth ring in the third ring, and the first ring, the second ring and the third ring are nested in a step-like manner in sequence; the second ring and the fourth ring have the same height; the No. 1 pot is set on the first ring; the No. 2 pot is set on the second ring; the No. 3 pot is set on the third ring and the fourth ring. The utility model integrates four clutch housing interfaces into one, reduces the number of transitions, and saves transition processing, manufacturing and storage management costs. At the same time, the utility model basically covers the vast majority of commercial vehicle transmissions, and there is basically no need to replace the transition when replacing the test items, thereby improving assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the universal transition structure of the transmission test bench of the utility model;

[0021] Figure 2 (a) is the front view of pot No. 1;

[0022] Figure 2 (b) is a cross-sectional view of pot No. 1;

[0023] Figure 3 (a) is the front view of pot No. 2;

[0024] Figure 3 (b) is a cross-sectional view of pot No. 2;

[0025] Figure 4 (a) is the front view of the first and third pots;

[0026] Figure 4 (b) is a cross-sectional view of the first and third pots;

[0027] Figure 5 (a) is the front view of the second and third pots;

[0028] Figure 5(b) is a cross-sectional view of the second and third pots;

[0029] Figure 6 It is the assembly drawing of the universal transition structure of the transmission test bench and the No. 1 pot, the No. 2 pot, the first and third pots, and the second and third pots;

[0030] Figure 7 (a) is a cross-sectional view of a universal transition structure of a transmission test bench;

[0031] Figure 7 (b) is the end face analysis diagram of the universal transition structure of the transmission test bench.

[0032] Among them, 1-pot No. 1; 2-pot No. 2; 4-first circular ring; 5-second circular ring; 6-third circular ring; 7-fourth circular ring; 8-first boss; 9-first circular ring end face; 10-first end column; 11-first through hole; 12-second boss; 13-second circular ring end face; 14-second end column; 15-second through hole; 16-first No. 3 pot; 17-second No. 3 pot; 18-third boss; 19-third circular ring end face; 20-third end column; 21-third through hole; 22-fourth through hole; 25-fifth through hole; 26-first bolt hole; 27-second bolt hole; 28-third bolt hole; 29-fourth bolt hole; 30-countersunk hole; 31-first transition end face; 32-second transition end face; 33-third transition end face; 34-fourth transition end face;. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0036] In the description of the embodiments of the present utility model, it should be noted that if the terms "upper", "lower", "horizontal", "inner", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0037] In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", which does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0038] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0039] The utility model is further described in detail below with reference to the accompanying drawings:

[0040] See also Figures 1 to 5 (b), the utility model discloses a universal transition structure of a transmission test bench, comprising: a mounting device, a first pot 1, a second pot 2 and a third pot;

[0041] The mounting device is in the shape of a ring, and includes: a first ring 4, a second ring 5, a third ring 6 and a fourth ring 7; the second ring 5 is nested in the first ring 4; the third ring 6 is nested in the second ring 5; the fourth ring 7 is nested in the third ring 6, and the first ring 4, the second ring 5 and the third ring 6 are nested in a step-like manner in sequence; the second ring 5 has the same height as the fourth ring 7; pot No. 1 is arranged on the first ring 4; pot No. 2 is arranged on the second ring 5; pot No. 3 is arranged on the third ring 6 and the fourth ring 7.

[0042] The mounting device is externally connected to the fixing frame; a fifth through hole 25 is provided on the first ring 4; the fifth through hole 25 is provided at the outermost end of the first ring 4; the mounting device is connected to the fixing frame by bolts passing through the fifth through hole 25 and the through holes on the fixing frame.

[0043] The first pot 1 comprises a first boss 8, a first circular end face 9 and a first end column 10; the first circular end face 9 is arranged on the side of the first boss 8; the first end column 10 is arranged at one end of the first boss 8; the first circular end face 9 is provided with a first bolt hole 26; the first circular ring 4 is provided with a first through hole 11, and the first pot 1 is fixed to the first circular ring 4 by bolts passing through the first bolt hole 26 and the first through hole 11. The first end column 10 is arranged on the step between the first circular ring 4 and the second circular ring 5.

[0044] The second pot 2 comprises a second boss 12, a second circular end face 13 and a second end column 14; the second circular end face 13 is arranged on the side of the second boss 12; the second end column 14 is arranged at one end of the second boss 12; the second circular end face 13 is provided with a second bolt hole 27; the second circular ring 5 is provided with a second through hole 15, and the second pot 1 is fixed to the second circular ring 5 by bolts passing through the second bolt hole 27 and the second through hole 15. The second end column 14 is arranged on the step between the second circular ring 5 and the third circular ring 6.

[0045] Pot No. 3 includes a first pot No. 3 16 and a second pot No. 3 17; the first pot No. 3 16 and the second pot No. 3 17 have the same structure; the first pot No. 3 16 includes a third boss 18, a third circular ring end face 19 and a third end column 20; the third circular ring end face 19 is arranged on the side of the third boss 18; the third end column 20 is arranged at one end of the third boss 18; the third circular ring end face 19 is provided with a third bolt hole 28; the third circular ring 6 is provided with a third through hole 21 and a fourth through hole 22, and the first pot No. 3 16 is fixed to the third circular ring 6 by bolts passing through the third bolt hole 28 and the third through hole 21.

[0046] The second and third pots 17 are provided with fourth bolt holes 29 ; the second and third pots 17 are fixed to the third circular ring 6 by bolts passing through the fourth bolt holes 29 and the fourth through holes 22 ; the third end column 20 is in contact with the inner side surface of the fourth circular ring 7 .

[0047] The fourth ring 7 is provided with countersunk holes 30; the number of the countersunk holes 30 is equal to the sum of the number of the third through holes 21 and the fourth through holes 22, and the countersunk holes 30 correspond to the third through holes 21 and the fourth through holes 22 one by one. The size of the first No. 3 pot 16 is larger than that of the second No. 3 pot 17; the third through holes 21 of the first No. 3 pot 16 and the fourth through holes 22 of the second No. 3 pot 17 are distributed at different positions.

[0048] See also Figure 6 , Figure 7 (a) and Figure 7 (b) The utility model designs a universal transition for a transmission test bench, which integrates four common clutch housing bench tooling for commercial vehicles (heavy trucks, medium trucks, light trucks, buses, etc.) into one, avoiding frequent disassembly work. The universal transition mainly includes the following elements:

[0049] (1) Four mounting end faces: end face 1, end face 2, end face 3, and end face 4;

[0050] (2) Six assembly sizes: φ1, φ2, φ3, φ4, φ5, φ6;

[0051] (3) Six circles of connection holes: first threaded hole 26 - distribution circle 1, second threaded hole 27 - distribution circle 2, third threaded hole 28 - distribution circle 3, fourth threaded hole 29 - distribution circle 4, fifth through hole 25 - distribution circle 5, countersunk hole 30 - distribution circle 6.

[0052] The specific measures are as follows:

[0053] (1) No. 1 pot 1: During installation, the convex stop of the No. 1 pot 1 matches the transition dimension φ1, and the end face of the No. 1 pot 1 contacts the first transition end face 31, and the two are connected by bolts passing through the first bolt hole 26 and the first through hole 11. Among them, the first transition end face 31 is the plane of the first ring 4; the end face of the No. 1 pot 1 is the first ring end face 9.

[0054] (2) Pot No. 2: During installation, the convex stop of pot No. 2 matches the transition dimension φ2, the end face of pot No. 2 contacts the second transition end face 32, and the two are connected by bolts passing through the second bolt hole 27 and the second through hole 15; in particular, the third transition end face 33, the second transition end face 32, the dimension φ2 and the dimension φ4 form a groove, and after assembly, the convex stop of pot No. 2 is placed in the groove as a whole. Among them, the end face of pot No. 2 is the second annular end face 13, and the second transition end face 32 is the plane of the second annular ring 5.

[0055] (3) The first and third pots: During installation, the convex stopper of the first and third pots 16 cooperates with the transition dimension φ3, and the end face of the first and third pots 16 contacts the third transition end face 33, and the two are connected by bolts passing through the third bolt hole 28 and the third through hole 21; in particular, the bolts pass through the countersunk hole 30; wherein, the end face of the first and third pots 16 is the third circular ring end face 19, and the third transition end face 33 is the plane of the third circular ring 6.

[0056] (4) Second and third pots: During installation, the convex stop of the second and third pots 17 is matched with the transition dimension φ3, and the end face of the second and third pots 17 contacts the third transition end face 33, and the two are connected by bolts passing through the fourth bolt hole 29 and the fourth through hole 22; in particular, the bolts pass through the countersunk hole 30. The end face of the second and third pots 17 is a circular ring end face, and the third transition end face 33 is the plane of the third circular ring 6.

[0057] (5) Fixing frame: During installation, the stopper of the fixing frame matches the transition dimension φ5, the end face of the fixing frame contacts the fourth transition end face 34, and the mounting device is connected to the fixing frame by bolts passing through the fifth through hole 25 and the through hole on the fixing frame.

[0058] Among them, the transition dimension φ1 is the inner ring diameter of the second ring 5; the transition dimension φ2 is the inner ring diameter of the third ring 6; the transition dimension φ3 is the inner ring diameter of the fourth ring 7; the transition dimension φ4 is the outer diameter of the fourth ring 7; the transition dimension φ5 is the outer diameter of pot No. 1; and the transition dimension φ6 is the outer diameter of the first ring 4.

[0059] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A universal transition structure for a transmission test bench, characterized in that: include: installing a device, a pot No. 1 (1), a pot No. 2 (2) and a pot No. 3; The mounting device is in the shape of a ring, and comprises: a first ring (4), a second ring (5), a third ring (6) and a fourth ring (7); the second ring (5) is nested in the first ring (4); the third ring (6) is nested in the second ring (5); the fourth ring (7) is nested in the third ring (6), and the first ring (4), the second ring (5) and the third ring (6) are nested in a step-like manner in sequence; the second ring (5) and the fourth ring (7) have the same height; the first pot (1) is arranged on the first ring (4); the second pot (2) is arranged on the second ring (5); and the third pot (7) is arranged on the third ring (6) and the fourth ring (7).

2. A universal transition structure for a transmission test bench according to claim 1, characterized in that: The mounting device is externally connected to a fixing frame; a fifth through hole (25) is provided on the first circular ring (4); the fifth through hole (25) is provided at the outermost end of the first circular ring (4); the mounting device is connected to the fixing frame by bolts passing through the fifth through hole (25) and the through holes on the fixing frame.

3. A universal transition structure for a transmission test bench according to claim 2, characterized in that: The pot (1) comprises a first boss (8), a first circular end face (9) and a first end column (10); the first circular end face (9) is arranged on the side of the first boss (8); the first end column (10) is arranged at one end of the first boss (8); the first circular end face (9) is provided with a first bolt hole (26); the first circular ring (4) is provided with a first through hole (11), and the pot (1) is fixed to the first circular ring (4) by means of bolts passing through the first bolt hole (26) and the first through hole (11).

4. A universal transition structure for a transmission test bench according to claim 3, characterized in that: The first end column (10) is arranged on the steps between the first circular ring (4) and the second circular ring (5).

5. A universal transition structure for a transmission test bench according to claim 4, characterized in that: The second pot (2) comprises a second boss (12), a second circular end face (13) and a second end column (14); the second circular end face (13) is arranged on the side of the second boss (12); the second end column (14) is arranged at one end of the second boss (12); the second circular end face (13) is provided with a second bolt hole (27); the second circular ring (5) is provided with a second through hole (15), and the second pot (2) is fixed to the second circular ring (5) by bolts passing through the second bolt hole (27) and the second through hole (15).

6. A universal transition structure for a transmission test bench according to claim 5, characterized in that: The second end column (14) is arranged on the steps between the second circular ring (5) and the third circular ring (6).

7. A universal transition structure for a transmission test bench according to claim 6, characterized in that: The No. 3 pot comprises a first No. 3 pot (16) and a second No. 3 pot (17); the first No. 3 pot (16) and the second No. 3 pot (17) have the same structure; the first No. 3 pot (16) comprises a third boss (18), a third circular ring end face (19) and a third end column (20); the third circular ring end face (19) is arranged on the side of the third boss (18); the third end column (20) is arranged at one end of the third boss (18); the third circular ring end face (19) is provided with a third bolt hole (28); the third circular ring (6) is provided with a third through hole (21) and a fourth through hole (22); the first No. 3 pot (16) is fixed to the third circular ring (6) by bolts passing through the third bolt hole (28) and the third through hole (21).

8. A universal transition structure for a transmission test bench according to claim 7, characterized in that: The second and third pots (17) are provided with fourth bolt holes (29); the second and third pots (17) are fixed to the third circular ring (6) by bolts passing through the fourth bolt holes (29) and the fourth through holes (22); the third end column (20) is in contact with the inner side surface of the fourth circular ring (7).

9. A universal transition structure for a transmission test bench according to claim 8, characterized in that: The fourth circular ring (7) is provided with countersunk holes (30); the number of the countersunk holes (30) is equal to the sum of the number of the third through holes (21) and the fourth through holes (22), and the countersunk holes (30) correspond one to one with the third through holes (21) and the fourth through holes (22).

10. A universal transition structure for a transmission test bench according to claim 9, characterized in that: The size of the first No. 3 pot (16) is larger than the size of the second No. 3 pot (17); the third through hole (21) of the first No. 3 pot (16) and the fourth through hole (22) on the second No. 3 pot (17) are distributed at different positions.

Images