Shell separation device
The combined structure of the crossbeam, locking device, and disassembly device solves the problems of housing damage and oil leakage during housing separation, and achieves smooth separation of the front and rear housings, which facilitates the disassembly and fault diagnosis of the transmission.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA FAW CO LTD
- Filing Date
- 2023-06-06
- Publication Date
- 2026-06-23
AI Technical Summary
Existing housing separation devices are prone to damaging the housing surface during disassembly, leading to oil leakage, and are difficult to achieve smooth separation of the front and rear housings, affecting fault diagnosis.
It adopts a combination structure of crossbeam, locking device, disassembly device and fixing bolts. The locking device is fixed to the front shell, the disassembly device is connected to the rear shell, and the crossbeam is used as a fulcrum to achieve smooth separation of the front and rear shells.
It achieves smooth separation of the front and rear housings, avoids damage and oil leakage on the housing surface, ensures the integrity of the internal structure of the housing, and facilitates fault diagnosis.
Smart Images

Figure CN116494182B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of shell separation technology, and more specifically, to a shell separation device. Background Technology
[0002] Currently, most automotive transmissions consist of a front housing, a rear housing, gears, and gear shafts. The front and rear housings are positioned by locating pins and then secured with bolts. A layer of sealant is applied for overall sealing. Bearings are fitted to the housings at each shaft end with an interference fit. When the transmission is damaged or needs disassembly for repair, the sealant, locating pins, and bearings make it difficult to separate the front and rear housings.
[0003] Currently, most methods for separating the front and rear housings of a transmission involve using pry bars or pry plates to open the housings. However, due to the presence of sealant, locating pins, and bearings, this method cannot smoothly separate the front and rear housings and can damage the mating surfaces, affecting the housing's sealing performance and leading to oil leaks. Furthermore, the bearings cannot be separated from the housing simultaneously during prying. Since the bearings and housing have an interference fit, this method can damage the housing that mates with the bearings, affecting reinstallation. Moreover, after opening the housing using this disassembly method, the significant vibration caused by the previous unstable operation can alter the internal structure, failing to reflect the true condition of the transmission housing and hindering fault diagnosis. Summary of the Invention
[0004] The main objective of this invention is to provide a shell separation device to solve the problem that existing shell separation devices easily damage the shell surface and cause oil leakage when disassembling the shell.
[0005] To achieve the above objectives, according to one aspect of the present invention, a shell separation device is provided, comprising: two crossbeams hinged together; a locking device connected to the crossbeams, the locking device having a locking block and an expansion body, the locking block having a receiving groove, the expansion body being disposed within the receiving groove; and a disassembly device having two push rods movably connected to the crossbeams, the fixing bolts being arranged corresponding to the push rods; wherein the locking device is used for connection and fixation to the front shell, and the fixing bolts are used for connection to the rear shell.
[0006] Furthermore, one of the two crossbeams has a groove, and the other crossbeam has a protrusion. The sidewalls on both sides of the groove have a first through hole, and the protrusion has a second through hole. The protrusion is placed in the groove, and the first through hole and the second through hole are coaxially arranged.
[0007] Furthermore, the locking device also includes a column, which passes through the first through hole and the second through hole in sequence, and one end of the column is connected to the locking device.
[0008] Furthermore, the crossbeam also includes a connecting groove, which is located at the end of each crossbeam away from the groove and the protrusion.
[0009] Furthermore, a positioning groove is provided on the side wall of the connecting groove.
[0010] Furthermore, the axis of the push rod is set perpendicular to the length direction of the crossbeam, one end of the push rod is provided with a torsion arm, and a first nut is also fitted on the push rod, which is movably set in the groove.
[0011] Furthermore, the end of the fixing bolt is provided with a positioning hole, and the end of the push rod away from the torsion arm is set in the positioning hole.
[0012] Furthermore, the column is fitted with multiple second nuts and third nuts. There are two second nuts, each having a first position for fixing the two crossbeams and a second working position for releasing the two crossbeams. The third nut is located at the end of the locking device, having a third working position for fixing the locking device inside the front housing and a fourth working position for releasing the locking device from the front housing.
[0013] Furthermore, the locking block is located at one end of the column, and the locking block has a receiving groove. The side wall of the receiving groove has two openings, which are arranged correspondingly.
[0014] Furthermore, the cross-sectional area of the bottom of the expansion body is larger than the cross-sectional area of the top. When the third nut is in the third working position, the entire expansion body is placed in the receiving groove. When the third nut is in the fourth working position, the top of the expansion body is placed in the receiving groove.
[0015] By applying the technical solution of this invention, two crossbeams are hinged together, and a locking device and a disassembly device are provided. The locking device is equipped with a locking block and an expansion body, and the disassembly device is equipped with a push rod and a fixing bolt. The locking device is used to connect and fix the front shell, and the fixing bolt is used to connect the rear shell. In this way, the front shell is held in place by the locking device, and the disassembly device is connected to the rear shell, thus fixing the front shell and the locking device together, and fixing the rear shell and the disassembly device together. The front and rear shells are effectively and smoothly separated by using the two crossbeams as fulcrums. Attached Figure Description
[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:
[0017] Figure 1 A schematic diagram of a first embodiment of a shell separation device according to the present invention is shown;
[0018] Figure 2A schematic diagram of a second embodiment of a shell separation device according to the present invention is shown.
[0019] The above figures include the following reference numerals:
[0020] 10. Crossbeam; 11. Groove; 12. Protrusion; 13. Connecting groove; 131. Positioning groove;
[0021] 20. Locking device; 21. Locking block; 22. Opening; 23. Expansion body;
[0022] 30. Disassembly device; 31. Push rod; 32. Torsion arm; 33. First nut; 34. Fixing bolt; 35. Positioning hole;
[0023] 40. Column; 41. Second nut; 42. Third nut. Detailed Implementation
[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0025] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0026] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0027] Exemplary embodiments according to this application will now be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of this application is thorough and complete, and that the concept of these exemplary embodiments is fully conveyed to those skilled in the art. In the drawings, for clarity, the thickness of layers and regions may be exaggerated, and the same reference numerals are used to denote the same devices, and therefore their description will be omitted.
[0028] Combination Figures 1 to 2 As shown, according to a specific embodiment of this application, a shell separation device is provided.
[0029] Specifically, a shell separation device includes: two crossbeams 10, which are hinged together; a locking device 20 connected to the crossbeams 10, the locking device 20 having a locking block 21 and an expansion body 23, the locking block 21 having a receiving groove, and the expansion body 23 being disposed in the receiving groove; and a disassembly device 30 having two push rods 31 movably connected to the crossbeams 10, and the fixing bolts 34 corresponding to the push rods 31; wherein, the locking device 20 is used to connect and fix to the front shell, and the fixing bolts 34 are used to connect to the rear shell.
[0030] In this embodiment, as Figure 1 As shown, two crossbeams 10 are hinged together, and a locking device 20 and a disassembly device 30 are provided. The locking device 20 is equipped with a locking block 21 and an expansion body 23, and the disassembly device is equipped with a push rod 31 and a fixing bolt 34. The locking device 20 is used to connect and fix the front shell, and the fixing bolt 34 is used to connect the rear shell. In this way, the front shell is held in place by the locking device 20, and the disassembly device 30 is connected to the rear shell. The front shell is fixed to the locking device, and the rear shell is fixed to the disassembly device. The front and rear shells are effectively and smoothly separated by using the two crossbeams as fulcrums.
[0031] like Figure 2 As shown, one of the two crossbeams 10 has a groove 11 and the other crossbeam 10 has a protrusion 12. The side walls of the groove 11 have a first through hole and the protrusion 12 has a second through hole. The protrusion 12 is placed in the groove 11 and the first through hole and the second through hole are coaxially arranged.
[0032] In this embodiment, the two crossbeams are hinged together by the groove 11 and the protrusion 12, and the sidewalls on both sides of the groove 11 are provided with first through holes and the protrusion 12 is provided with second through holes, which effectively improves the stability of the hinged connection of the two crossbeams.
[0033] Furthermore, the locking device 20 also includes a column 40, which passes through the first through hole and the second through hole in sequence, and one end of the column 40 is connected to the locking device 20.
[0034] In this embodiment, the first through hole and the second through hole of the two crossbeams are coaxially arranged. The locking device 20 passes through the first through hole and the second through hole in sequence, which effectively fixes the two crossbeams and prevents the two crossbeams 10 from detaching during operation, thus preventing scratches and damage to the housing.
[0035] Furthermore, the crossbeam 10 also includes a connecting groove 13, which is located at the end of each crossbeam 10 away from the groove 11 and the protrusion 12.
[0036] In this embodiment, a connecting groove 13 is provided on the crossbeam 10, which effectively provides a moving space for the disassembly device 30, so that the disassembly device 30 can select a suitable positioning distance according to different housing devices, thus ensuring the applicability of the housing separation device.
[0037] Furthermore, a positioning groove 131 is provided on the side wall of the connecting groove 13.
[0038] In this embodiment, a positioning groove 131 is provided on the side wall of the connecting groove 13, which can fix the top rod in the connecting groove 13 and effectively prevent the housing separation device from disintegrating during operation.
[0039] Furthermore, the axis of the push rod 31 is set perpendicular to the length direction of the crossbeam 10, one end of the push rod 31 is provided with a torsion arm 32, and a first nut 33 is also sleeved on the push rod 31. The first nut 33 is movably set in the connecting groove 13.
[0040] In this embodiment, the torsion arm 32 is a cross handle, which allows the operator to twist the top rod. The torsion arm 32 is symmetrically arranged on the left and right sides, so the load is not uneven, which is convenient and labor-saving, effectively improving work efficiency and convenience. A first nut 33 is also sleeved on the top rod 31, so that the top rod 31 is fixed in the connecting groove 13 by the first nut 33, which effectively prevents the housing separation device from disintegrating during operation.
[0041] Furthermore, the end of the fixing bolt 34 is provided with a positioning hole 35, and the end of the push rod 31 away from the torsion arm 32 is provided in the positioning hole 35.
[0042] In this embodiment, the positioning hole 35 on the fixing bolt 34 serves as a limit, effectively preventing the top rod 31 from disengaging from the fixing bolt 34 when it is twisted, thus protecting the housing from damage caused by the disengagement of the top rod 31.
[0043] Furthermore, the column 40 is fitted with a plurality of second nuts 41 and third nuts 42. There are two second nuts 41, each having a first position for fixing the two crossbeams 10 and a second working position for releasing the two crossbeams 10. The third nuts 42 are located at the end of the locking device 20, each having a third working position for fixing the locking device 20 inside the front housing and a fourth working position for releasing the locking device 20 from the front housing.
[0044] In this embodiment, when the housing separation device starts working, the second nut 41 is adjusted to the second working position, allowing the angle of the two crossbeams 10 to be adjusted. After selecting a suitable angle, the second nut 41 is adjusted to the first working position, fixing the two crossbeams 10. Then, the third nut 42 fixes the locking device 20 in the third working position inside the front housing, ensuring that the locking device 20 is fixed to the front housing and will not detach. This arrangement effectively achieves a smoother separation of the front and rear housings.
[0045] Furthermore, the locking block 21 is disposed at one end of the column 40. The locking block 21 is provided with a receiving groove, and the side wall of the receiving groove is provided with an opening 22. There are two openings 22, and the two openings 22 are set correspondingly.
[0046] In this embodiment, an opening 22 is provided on the side wall of the locking block 21. When it is necessary to fix the locking device 20 to the front housing, the expansion body 23 will be squeezed outward through the opening 22. This causes the expansion body 23 to be fixed to the front housing due to the deformation caused by the squeezing. This arrangement ensures that the front housing will not detach from the locking device, thereby improving the stability of the housing separation device during operation.
[0047] Furthermore, the cross-sectional area of the bottom end of the expansion body 23 is larger than the cross-sectional area of the top end. When the third nut 42 is in the third working position, the entire expansion body 23 is placed in the receiving groove. When the third nut 42 is in the fourth working position, the top end of the expansion body 23 is placed in the receiving groove.
[0048] In this embodiment, when the third nut 42 is in the third working position, the expansion body 23 is completely placed inside the locking block 21, causing the locking block 21 to squeeze the expansion body 23, ensuring that the front shell will not separate from the locking device, thus improving the stability of the shell separation device during operation.
[0049] In another embodiment of this application, when using the shell separation device, the crossbeam is adjusted to a reasonable height, and the crossbeam and the column are tightened and fixed with the second nut 41. Then, the tapered end of the column and the locking device are inserted into the front shell, and the third nut 42 is tightened. In this way, the third nut 42 presses against the locking block 21, and the expansion body 23 expands and is fixed together with the shell through tapering adjustment, thus completing the fixation of the front shell and the column together.
[0050] In another embodiment of this application, the fixing bolt 34 is screwed onto the rear housing, taking care not to tighten the two housings completely, leaving a distance for separation (if the housing fixing bolts provided by the transmission are long enough, they can be used directly). The push rod is screwed onto the first nut, and the third nut is adjusted to a suitable position in the connecting groove 13 of the crossbeam 10. The push rod is rotated left and right simultaneously to apply load, thus forming the loading device of the transmission assembly. In this way, by rotating the push rod, the push rod pushes the fixing bolt, and the front housing and rear housing are smoothly separated using the housing fixing device as a fulcrum. To ensure smooth separation, this device is best used in pairs diagonally opposite each other on the housings, which can make the separation more uniform and stable.
[0051] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.
[0052] In addition to the above, it should be noted that the terms "one embodiment," "another embodiment," and "embodiment" used in this specification refer to specific features, structures, or characteristics described in connection with that embodiment, which are included in at least one embodiment described in the general description of this application. The appearance of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when a specific feature, structure, or characteristic is described in connection with any embodiment, the intention is to suggest that implementing such a feature, structure, or characteristic in conjunction with other embodiments also falls within the scope of this invention.
[0053] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.
[0054] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.
Claims
1. A shell separation device, characterized in that, include: There are two crossbeams (10), and the two crossbeams (10) are hinged together; Locking device (20), the locking device (20) is connected to the crossbeam (10), the locking device (20) is provided with a locking block (21) and an expansion body (23), the locking block (21) is provided with a receiving groove, and the expansion body (23) is disposed in the receiving groove; The disassembly device (30) is provided with a top rod (31) and a fixing bolt (34). There are two top rods (31). The top rods (31) are movably connected to the crossbeam (10). The fixing bolts (34) are set one-to-one with the top rods (31). The locking device (20) is used to connect and fix to the front shell, and the fixing bolt (34) is used to connect to the rear shell; One of the two crossbeams (10) is provided with a groove (11), and the other crossbeam (10) is provided with a protrusion (12). The groove (11) has a first through hole on its two side walls, and the protrusion (12) has a second through hole. The protrusion (12) is placed in the groove (11), and the first through hole and the second through hole are coaxially arranged. The locking device (20) further includes: A column (40) passes through the first through hole and the second through hole in sequence, and one end of the column (40) is connected to the locking device (20); The column (40) is fitted with a plurality of second nuts (41) and third nuts (42). There are two second nuts (41). The second nut (41) has a first position for fixing the two crossbeams (10) and a second working position for releasing the two crossbeams (10). The third nut (42) is located at the end of the locking device (20). The third nut (42) has a third working position for fixing the locking device (20) in the front shell and a fourth working position for releasing the locking device (20) from the front shell. The locking block (21) is disposed at one end of the column (40). The locking block (21) is provided with a receiving groove. The side wall of the receiving groove is provided with an opening (22). There are two openings (22), and the two openings (22) are set correspondingly. The bottom cross-sectional area of the expansion body (23) is larger than the top cross-sectional area. When the third nut (42) is in the third working position, the expansion body (23) is completely placed in the receiving groove. When the third nut (42) is in the fourth working position, the top of the expansion body (23) is placed in the receiving groove.
2. The shell separation device according to claim 1, characterized in that, The crossbeam (10) also includes: A connecting groove (13) is provided at one end of each of the crossbeams (10) away from the groove (11) and the protrusion (12).
3. The shell separation device according to claim 2, characterized in that, The side wall of the connecting groove (13) is provided with a positioning groove (131).
4. The shell separation device according to claim 3, characterized in that, The axis of the top rod (31) is set perpendicular to the length direction of the crossbeam (10). One end of the top rod (31) is provided with a torsion arm (32). A first nut (33) is also sleeved on the top rod (31). The first nut (33) is movably set in the connecting groove (13).
5. The shell separation device according to claim 4, characterized in that, The end of the fixing bolt (34) is provided with a positioning hole (35), and the end of the top rod (31) away from the torsion arm (32) is provided in the positioning hole (35).