Combined frame of transport vehicle

Abstract

The utility model discloses a combined frame of a transport vehicle, relates to the technical field of automobile manufacturing, and solves the technical problems of large occupied area, higher transport cost and inconvenience in assembly after disassembly of a chassis frame of a vehicle body in the prior art. A vehicle frame is of a detachable installation structure, the detachable installation structure vehicle frame comprises a front axle chassis frame, a middle connecting frame and a rear axle chassis frame from the head to the tail, and the three module frames are detachably assembled in the mode that outer square pipes and inner square pipes are connected in an inserted mode; the middle connecting frame comprises a left main beam and a right main beam, a front connecting pipe sleeve and a rear connecting pipe sleeve which are matched with the left main beam and the right main beam are arranged on the front axle chassis frame and the rear axle chassis frame respectively, and the front end and the rear end of the left main beam and the front end and the rear end of the right main beam can penetrate through the front connecting pipe sleeve and the rear connecting pipe sleeve respectively; the length of the left main beam is equal to that of the right main beam, and the length is larger than or equal to the sum of the lengths of the front connecting pipe sleeve, the rear connecting pipe sleeve and the inner side supporting frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile manufacturing, specifically to a transport vehicle combined frame. BACKGROUND

[0002] At present, various vehicles on the market have a large floor area of the vehicle body chassis frame, occupy a relatively large space in long-distance transportation, bring great inconvenience to long-distance sea transportation and land transportation, and have high transportation cost. Moreover, the existing assemblable chassis structure is complex, has high manufacturing cost, still occupies a relatively large space after disassembly, cannot realize effective space reduction, is inconvenient to assemble after disassembly, needs professional technicians to assemble and adjust, and cannot meet the actual use requirement.

[0003] In addition, the connecting structure of the traditional frame adopts a welding connection mode, and the stress concentration generated in the use process is prone to breakage. SUMMARY

[0004] The utility model discloses in view of the shortcoming and insufficient of prior art, the utility model provides a transport vehicle combined frame, which has small overall floor area after disassembly, is beneficial to long-distance transportation, significantly reduces transportation cost, and also has the advantages of easy reassembly, accurate positioning and installation, time and labor saving, and significantly improved installation efficiency.

[0005] To achieve the above object, the utility model discloses a transport vehicle combined frame, which comprises a head, a middle connecting frame and a rear axle chassis frame.

[0006] The middle connecting frame comprises a left main beam and a right main beam,

[0007] The front axle chassis frame and the rear axle chassis frame are respectively provided with a front connecting pipe sleeve and a rear connecting pipe sleeve matched with the left main beam and the right main beam, and the front and rear ends of the left main beam and the right main beam can respectively pass through the front connecting pipe sleeve and the rear connecting pipe sleeve.

[0008] The left main beam and the right main beam are equal in length, and the length is greater than or equal to the sum of the lengths of the front connecting pipe sleeve, the rear connecting pipe sleeve and the inner side support frame.

[0009] Preferably, the left main beam and the right main beam of the middle connecting frame are both inner pipes,

[0010] The middle connecting frame further comprises a right arm frame body and a left arm frame body sleeved on the left main beam and the right main beam, the right arm frame body and the left arm frame body are horizontal support frames, and the inner side support frame is an outer pipe matched with the main beam inner pipe structure,

[0011] The inner tubes of the left and right main beams respectively longitudinally pass through the inner tubes on the left and right arm bodies.

[0012] Preferably, the front side of the front axle chassis frame is further connected with a front bar, which is provided with a front locking mechanism detachably connected with the front ends of the left and right main beams; the front ends of the left and right main beams are detachably connected with the front locking mechanism after passing through the outer tubes of the front connecting pipe sleeves.

[0013] The rear side of the rear axle chassis frame is connected with a tail bar, which is provided with a rear locking mechanism detachably connected with the rear ends of the left and right main beams; the rear ends of the left and right main beams are detachably connected with the rear locking mechanism after passing through the outer tubes of the rear connecting pipe sleeves.

[0014] Preferably, a first transverse connecting frame is further connected between the two rear connecting pipe sleeves of the rear axle chassis frame; a second transverse connecting frame is further connected between the two front connecting pipe sleeves of the front axle chassis frame; and a middle longitudinal frame body is further detachably connected between the first and second transverse connecting frames, which is parallel to the left and right main beams and in the same horizontal plane.

[0015] Preferably, the middle longitudinal frame body also has a support square tube structure, and its front and rear ends are detachably connected with the first and second transverse connecting frames through flange structures.

[0016] Preferably, a second transverse connecting frame is connected between the rear ends of the two front connecting pipe sleeves of the front axle chassis frame; a third transverse connecting frame parallel to the second transverse connecting frame is further connected between the front ends of the two front connecting pipe sleeves of the front axle chassis frame; and a fourth longitudinal connecting support frame coinciding with the central axis of the middle longitudinal frame body is further connected between the second and third transverse connecting frames.

[0017] A transverse front wheel support frame is connected to the bottom of the front axle chassis frame, and the middle of the transverse front wheel support frame is connected to the fourth longitudinal connecting support frame through a first suspension buckle; the two ends of the transverse front wheel support frame are respectively connected with the front wheel devices on both sides.

[0018] A first vertical support frame matched with the front axle installation is symmetrically provided on the upper surface of each of the two front connecting pipe sleeves.

[0019] Preferably, three groups of first vertical support frames are symmetrically provided on the upper surface of each of the two front connecting pipe sleeves, and the two groups of first vertical support frames on the outer sides are connected with the front wheel devices through Y-shaped connecting frames.

[0020] The first vertical support frame in the middle group is connected with the outer end of the transverse front wheel support frame through a first connecting rod.

[0021] The steering adjusting mechanism is arranged on the two front wheel devices.

[0022] The fifth bottom cross bar is matched with the rear axle, the two ends of the fifth bottom cross bar are longer than the two ends of the rear connecting pipe sleeve, and the upper surface of the extended end of the fifth bottom cross bar is further connected with a second vertical support frame.

[0023] The longitudinal rear wheel support frame is arranged between the two second vertical support frames.

[0024] The utility model provides a kind of transport vehicle combination frame. With following beneficial effects:

[0025] The transport vehicle combination frame of the utility model, device structure design is ingenious, on the basis of ensuring the stability of overall use structure, the load capacity and service life of frame are significantly improved. It is convenient for the production, disassembly and assembly of entire transport vehicle combination frame, and meets actual use demand.

[0026] After assembly, the precise positioning of sleeve joint structure can be realized, the stability of connecting structure is ensured, the vehicle body is evenly dispersed, the load capacity of left main beam 301 and right main beam 302 is effectively reduced, and the service life of device is prolonged. After disassembly, the overall land area of device is small, which is conducive to long-distance transportation, significantly reduces transportation cost, and also has the advantages of easy reassembly, accurate positioning installation, time saving and labor saving, and significantly improves installation efficiency. DRAWINGS

[0027] Figure 1 It is the structure schematic view of the perspective view of the utility model embodiment;

[0028] Figure 2 It is the structure schematic view of the perspective view of the utility model embodiment; Figure 1

[0029] Figure 3 It is the structure schematic view of the explosion view of the utility model embodiment; Figure 1

[0030] Figure 4 It is the structure schematic view of the utility model embodiment after installing axle;

[0031] Figure 5 It is the structure schematic view of the perspective view of the utility model embodiment; Figure 4

[0032] ​​​In the figure: 1. front axle chassis frame, 2. rear axle chassis frame, 3. middle connecting frame, 301. left main beam, 302. right main beam, 303. middle longitudinal frame body, 4. front connecting pipe sleeve, 5. rear connecting pipe sleeve, 6. right arm frame body, 7. left arm frame body, 8. front pole, 9. front locking mechanism, 10. tail pole, 11. rear locking mechanism, 12. first transverse connecting frame, 13. second transverse connecting frame, 14. third transverse connecting frame, 15. fourth longitudinal connecting support frame, 16. transverse front wheel support frame, 17. first suspension buckle, 18. first vertical support frame, 19. front wheel device, 20. Y-shaped connecting frame, 21. first connecting rod, 22. fifth bottom cross bar, 23. second vertical support frame, 24. longitudinal rear wheel support frame, 25. second suspension buckle. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0034] In the utility model, unless another explicit provision and limitation, the terms "connection", "fixing" and other terms should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0036] The utility model discloses a transport vehicle combined frame, the utility model discloses a transport vehicle combined frame, and the frame is a detachable mounting structure frame, the detachable mounting structure frame comprises a front axle chassis frame 1, a middle connecting frame 3 and a rear axle chassis frame 2 from the head to the tail, and the three module frames are detachably assembled through the mode that the outer square pipe and the inner square pipe are inserted, the connecting structure of the inner square pipe and the outer square pipe, effectively solve the problem that the stress concentration of traditional welding connection structure is easy to break, ensure the stability of the connecting structure.

[0037] The middle connecting frame 3 includes left main beam 301 and right main beam 302, and the front axle chassis frame 1 and the rear axle chassis frame 2 are respectively provided with front connecting pipe sleeve 4 and rear connecting pipe sleeve 5 matched with left main beam 301 and right main beam 302, and the front and rear ends of left main beam 301 and right main beam 302 can pass through front connecting pipe sleeve 4 and rear connecting pipe sleeve 5 respectively.

[0038] The left main beam 301 and the right main beam 302 of the middle connecting frame 3 are both inner square tubes, and the middle connecting frame 3 further comprises a right arm frame body 6 and a left arm frame body 7 which are sleeved on the left main beam 301 and the right main beam 302, and the right arm frame body 6 and the left arm frame body 7 are horizontal support frames, and the inner side support frame is an outer square tube matched with the structure of the main beam inner square tube. The inner square tubes of the left main beam 301 and the right main beam 302 are respectively longitudinally inserted through the inner square tubes of the left arm frame body 7 and the right arm frame body 6. Such an inner-outer square tube sleeving structure can realize accurate positioning of the sleeving structure and ensure the stability of the connecting structure.

[0039] The left main beam 301 and the right main beam 302 are equal in length, and the length is greater than or equal to the sum of the lengths of the front connecting pipe sleeve 4, the rear connecting pipe sleeve 5 and the inner side support frame. With such a structural design, the left main beam 301 and the right main beam 302 can penetrate the front connecting pipe sleeve 4, the inner side support frame and the rear connecting pipe sleeve 5 from beginning to end, which is convenient for disassembly and assembly, and at the same time, the effective connection of the front axle chassis frame 1, the middle connecting frame 3 and the rear axle chassis frame 2 is realized during the assembly process.

[0040] The front side of the front axle chassis frame 1 is further connected with a front bar 8, and the front bar 8 is provided with a front locking mechanism 9 which is detachably fixedly connected with the front ends of the left main beam 301 and the right main beam 302. The front ends of the left main beam 301 and the right main beam 302 are detachably fixedly connected with the front locking mechanism 9 after penetrating through the outer square tube of the front connecting pipe sleeve 4. The rear side of the rear axle chassis frame 2 is further connected with a tail bar 10, and the tail bar 10 is provided with a rear locking mechanism 11 which is detachably fixedly connected with the rear ends of the left main beam 301 and the right main beam 302. The rear ends of the left main beam 301 and the right main beam 302 are detachably fixedly connected with the rear locking mechanism 11 after penetrating through the outer square tube of the rear connecting pipe sleeve 5. This is convenient for the production, disassembly and assembly of the entire transport vehicle combined frame, and at the same time, it also ensures the overall stability of the connected integrated structure, which is convenient for the actual operation and use requirements of the vehicle body.

[0041] The two rear connecting pipe sleeves 5 of the rear axle chassis frame 2 are further connected with a first transverse connecting frame 12, and the two front connecting pipe sleeves 4 of the front axle chassis frame 1 are further connected with a second transverse connecting frame 13. The first transverse connecting frame 12 and the second transverse connecting frame 13 are further detachably connected with a middle longitudinal frame body 303, and the middle longitudinal frame body 303 is parallel to the left main beam 301 and the right main beam 302, and the three are in the same horizontal plane. Such a structural design can evenly distribute the bearing load of the entire frame, so that it is stable during transportation and effectively improves the maximum bearing load.

[0042] The utility model discloses a transport vehicle combination frame, the also support square tube structure of intermediate longitudinal frame body 303, and its two ends are detachable connection through the flange structure with first horizontal connecting frame 12 and second horizontal connecting frame 13 respectively, and this kind of connecting structure, the disassembly and assembly of car body are convenient, and still ensure that the car body is evenly dispersed after assembling, effectively reduce the bearing capacity of left main beam 301 and right main beam 302, prolong the service life of device.

[0043] The second horizontal connecting frame 13 is arranged between the rear end portions of the two front connecting pipe sleeves 4 of the front axle chassis frame 1, and the third horizontal connecting frame 14 parallel to the second horizontal connecting frame 13 is further arranged between the front end portions of the two front connecting pipe sleeves 4 of the front axle chassis frame 1, and the fourth longitudinal connecting support frame 15 coinciding with the central axis of the intermediate longitudinal frame body 303 is further arranged between the second horizontal connecting frame 13 and the third horizontal connecting frame 14, so that the bearing of the left main beam 301 and the right main beam 302 is further dispersed to the fourth longitudinal connecting support frame 15 and the intermediate longitudinal frame body 303, and the overall structural stability and bearing capacity of the bottom frame are further ensured.

[0044] The horizontal front wheel support frame 16 is arranged at the bottom of the front axle chassis frame 1, and the middle of the horizontal front wheel support frame 16 is connected to the fourth longitudinal connecting support frame 15 through the first suspension buckle 17; the two ends of the horizontal front wheel support frame 16 are connected to the front wheel devices 19 on the two sides, respectively. The first vertical support frames 18 matched with the front axle are symmetrically arranged on the upper surfaces of the two front connecting pipe sleeves 4, respectively. Three groups of first vertical support frames 18 are symmetrically arranged on the upper surfaces of the two front connecting pipe sleeves 4, respectively, the two groups of first vertical support frames 18 on the outer sides are connected to the front wheel devices 19 through the Y-shaped connecting frames 20, and the first vertical support frame 18 in the middle group is connected to the outer end portion of the horizontal front wheel support frame 16 through the first connecting rod 21. This connecting structure can effectively and stably connect the front axle to the front axle chassis frame 1, ensures the stability of the connecting structure, and is convenient to disassemble and assemble, does not need special reset structure, and can realize accurate installation of the front axle through simple assembly, is convenient to operate, saves time and effort, and effectively reduces the floor area after the whole frame is disassembled.

[0045] The steering adjusting mechanism is further arranged on the two front wheel devices 19, is convenient to connect with the steering device above the frame, and realizes accurate operation of the front axle steering.

[0046] A set of fifth bottom cross bars 22 matched with the rear axle are also connected at the bottom of the two rear connecting pipe sleeves 5, the two ends of the fifth bottom cross bars 22 are longer than the two ends of the rear connecting pipe sleeves 5, and the upper surface of the extended end is also provided with a second vertical support frame 23. A longitudinal rear wheel support frame 24 is connected between the two second vertical support frames 23, and the two ends of the rear axle are connected to the longitudinal rear wheel support frame 24 through the second suspension buckle 25. The above structure is also accurate and in place, realizes the installation and disassembly of the axle, the disassembled structure occupies a small area, and after assembly, special positioning adjustment is not required, and accurate installation of the rear axle can be realized, which is convenient to operate and saves time and effort.

[0047] As shown in Figure 4 and Figure 5 The utility model discloses a transport vehicle combined frame, and the frame is a detachable installation structure frame, and the operation steps in the production installation and disassembly process are as follows:

[0048] Assembly process:

[0049] Firstly, the front axle and the rear axle related devices are respectively installed on the front axle chassis frame 1 and the rear axle chassis frame 2.

[0050] The left main beam 301 and the right main beam 302 are respectively threaded through the front connecting pipe sleeve 4 of the front axle chassis frame 1, the inner side support frame of the left and right arm frame body and the rear connecting pipe sleeve 5 on the rear axle chassis frame 2, after the left main beam 301 and the right main beam 302 are threaded through the front connecting pipe sleeve 4 and the rear connecting pipe sleeve 5 as inner pipes, the front end part of the front connecting pipe sleeve 4 is inserted into the front lever 8, and is locked and limited through the front locking mechanism 9.

[0051] The front and rear ends of the intermediate longitudinal frame body 303 are connected with the first transverse connecting frame 12 and the second transverse connecting frame 13 through flange structures, at this time, the rear axle chassis frame 2 is also limited at the specific position of the left main beam 301 and the right main beam 302, the rear end part of the left main beam 301 and the right main beam 302 is inserted into the tail lever 10, and is locked and fixed through the rear locking mechanism 11.

[0052] The right arm frame body 6 and the left arm frame body 7 are horizontal support frames, and the inner side support frame is a horizontal extension support frame for extending the support area of the frame and reducing the bearing capacity of a single frame body.

[0053] The transport vehicle combined frame with the above structure design is simple and ingenious, convenient to install and combine, saves time and effort, and can realize rapid and accurate positioning installation without special adjustment.

[0054] Disassembly process:

[0055] First, the front locking mechanism 9 on the front lever 8 is opened, and the front lever 8 is taken off from the frame; the rear locking mechanism 11 on the tail lever 10 is opened, and the tail lever 10 is taken off from the frame, so that the front and rear ends of the left main beam 301 and the right main beam 302 are in a free state.

[0056] The flange structure at the front and rear ends of the intermediate longitudinal frame body 303 is loosened, and is disconnected from the first transverse connecting frame 12 and the second transverse connecting frame 13.

[0057] The front connecting pipe sleeve 4 of the front axle chassis frame 1 and the rear connecting pipe sleeve 5 of the rear axle chassis frame 2 are taken off from the front ends of the left main beam 301 and the right main beam 302 respectively.

[0058] In summary, the combined frame of the transport vehicle of the utility model has a clever device structure design, significantly improves the bearing capacity and service life of the frame on the basis of ensuring the stability of the overall use structure, facilitates the production, disassembly and assembly of the entire combined frame of the transport vehicle, can realize accurate positioning of the sleeved structure after assembly, ensures the stability of the connecting structure, uniformly disperses the weight of the vehicle body, effectively reduces the bearing capacity of the left main beam 301 and the right main beam 302, and prolongs the service life of the device.

[0059] The above is only an embodiment of the utility model, for example, the specific length of the front axle chassis frame 1, the middle connecting frame 3 and the rear axle chassis frame 2 can be matched and selected according to the length required by the actual vehicle body, the length of the left main beam 301 and the right main beam 302 is equal, and the length is greater than or equal to the sum of the lengths of the front connecting pipe sleeve 4, the rear connecting pipe sleeve 5 and the inner side support frame, and the combined frame of the transport vehicle of the utility model can be realized.

[0060] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all of them should be covered in the protection scope of the utility model.

Claims

1. A transport vehicle combination frame, characterized in that, The frame is a detachable installation structure frame, which comprises a front axle chassis frame (1), a middle connecting frame (3) and a rear axle chassis frame (2) from the head to the tail, and the three module frames are detachably assembled through the plug-in connection of outer tubes and inner tubes. The middle connecting frame (3) comprises left and right main beams (301 and 302), The front and rear connecting tube sleeves (4 and 5) matched with the left and right main beams (301 and 302) are arranged on the front and rear axle chassis frames (1 and 2), respectively, and the front and rear ends of the left and right main beams (301 and 302) can pass through the front and rear connecting tube sleeves (4 and 5), respectively. The left and right main beams (301 and 302) are equal in length, and the length is greater than or equal to the sum of the lengths of the front and rear connecting tube sleeves (4 and 5) and the inner side support frame.

2. A transport vehicle combination vehicle frame according to claim 1, characterized in that The left and right main beams (301 and 302) of the middle connecting frame (3) are inner tubes, The middle connecting frame (3) further comprises right and left arm frame bodies (6 and 7) sleeved on the left and right main beams (301 and 302), the right and left arm frame bodies (6 and 7) are horizontal support frames, and the inner side support frame is an outer tube matched with the inner tube structure of the main beam, The inner tubes of the left and right main beams (301 and 302) longitudinally pass through the inner tubes of the right and left arm frame bodies (6 and 7), respectively.

3. A transport vehicle combination vehicle frame according to claim 2, characterized in that The front side of the front axle chassis frame (1) is further connected with a front rod (8), the front rod (8) is provided with a front locking mechanism (9) detachably connected with the front ends of the left and right main beams (301 and 302), and the front ends of the left and right main beams (301 and 302) are detachably connected with the front locking mechanism (9) after passing through the outer tubes of the front connecting tube sleeves (4). The rear side of the rear axle chassis frame (2) is further connected with a tail rod (10), the tail rod (10) is provided with a rear locking mechanism (11) detachably connected with the rear ends of the left and right main beams (301 and 302), and the rear ends of the left and right main beams (301 and 302) are detachably connected with the rear locking mechanism (11) after passing through the outer tubes of the rear connecting tube sleeves (5).

4. A transport vehicle combination vehicle frame according to claim 3, characterised in that, First and second transverse connecting frames (12 and 13) are further arranged between the two front and rear connecting tube sleeves (4 and 5) of the front and rear axle chassis frames (1 and 2), respectively, and a middle longitudinal frame body (303) is further detachably connected between the first and second transverse connecting frames (12 and 13), the middle longitudinal frame body (303) is parallel to the left and right main beams (301 and 302), and the three are in the same horizontal plane.

5. A transport vehicle combination vehicle frame according to claim 4, characterized in that The intermediate longitudinal frame body (303) is also a support square tube structure, and its front and rear ends are detachably connected with the first and second transverse connecting frames (12, 13) through flange structures.

6. A transport vehicle combination vehicle frame according to claim 4, wherein, The second transverse connecting frame (13) is arranged between the rear ends of the two front connecting pipe sleeves (4) of the front axle chassis frame (1); a third transverse connecting frame (14) parallel to the second transverse connecting frame (13) is further arranged between the front ends of the two front connecting pipe sleeves (4) of the front axle chassis frame (1), and a fourth longitudinal connecting support frame (15) coinciding with the central axis of the intermediate longitudinal frame body (303) is further arranged between the second and third transverse connecting frames (13, 14). The front axle chassis frame (1) is connected with a transverse front wheel support frame (16) at the bottom, and the transverse front wheel support frame (16) is connected to the fourth longitudinal connecting support frame (15) through a first suspension buckle (17) at the middle; the two ends of the transverse front wheel support frame (16) are connected with front wheel devices (19) on both sides, respectively. A first vertical support frame (18) matched with the front axle is symmetrically arranged on the upper surface of each of the two front connecting pipe sleeves (4).

7. A transport vehicle combination vehicle frame according to claim 6, characterised in that Three groups of first vertical support frames (18) are symmetrically arranged on the upper surface of each of the two front connecting pipe sleeves (4), and the two groups of first vertical support frames (18) on the outer sides are connected with the front wheel devices (19) through Y-shaped connecting frames (20), The first vertical support frame (18) in the middle group is connected with the outer end of the transverse front wheel support frame (16) through a first connecting rod (21); A steering adjusting mechanism is further arranged on each of the two front wheel devices (19).

8. A combination vehicle frame for a transport vehicle according to claim 4, wherein, A fifth bottom horizontal rod (22) matched with the rear axle is further arranged at the bottom of each of the two rear connecting pipe sleeves (5), the two ends of the fifth bottom horizontal rod (22) are longer than the two ends of the rear connecting pipe sleeve (5), and a second vertical support frame (23) is further arranged on the upper surface of the elongated end of the fifth bottom horizontal rod (22); A longitudinal rear wheel support frame (24) is arranged between the two second vertical support frames (23), and the two ends of the rear axle are connected to the longitudinal rear wheel support frame (24) through a second suspension buckle (25).

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