Up-down embedded type connecting seat for connecting auxiliary frame and chassis girder of dumper

By designing an upper and lower interlocking connecting seat, utilizing the interlocking structure of grooves and tongues, as well as reinforcing plates and connecting holes, the problem of movement gap between the subframe and chassis beam of the dump truck in multiple directions was solved, improving the stability and safety of the connection.

CN223905122UActive Publication Date: 2026-02-13SINOTRUK HUBEI HUAWIN SPECIAL VEHICLE CO LTD
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Patent Information

Application Number
CN202520444022.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-13
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

The existing subframe of dump trucks has upper and lower connecting seats that connect to the chassis beam, which have movement gaps in the left-right and front-back directions, increasing the risk of cargo box tipping over and sliding, especially on curves, slopes, and poor road conditions.

Method used

A type of interlocking connector is designed. By setting a groove at the bottom of the upper connector and a protrusion at the top of the lower connector, a detachable interlocking connection is achieved. A reinforcing plate and connecting holes are set on the connecting plate to limit the displacement of the subframe and the chassis beam.

Benefits of technology

It effectively limits the displacement of the subframe and chassis beam of the dump truck in the vertical, front-back and left-right directions, improves connection stability, and reduces the risk of cargo box offset and sliding.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223905122U_ABST
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Abstract

The utility model discloses an up-and-down embedded connecting seat for connecting an auxiliary frame and a chassis girder of a dumper, which comprises an upper connecting seat connected with the auxiliary frame of the dumper and a lower connecting seat connected with the chassis girder of the dumper, a groove is arranged at the bottom of the upper connecting seat, a convex tongue is arranged at the top of the lower connecting seat, and the convex tongue is connected with the groove. The lower connecting base is detachably connected with a groove formed in the bottom of the upper connecting base in an embedded mode through a protruding tongue arranged on the top of the lower connecting base. The utility model has the advantages that through the embedded connection of the upper connecting seat and the lower connecting seat, the displacement of the auxiliary frame and the chassis girder of the dumper in the vertical direction, the front-back direction and the left-right direction can be limited, the upper connecting seat and the lower connecting seat are detachable, the tightness can be adjusted, the functions are diversified, and the practicability is high. And the connecting requirement of the auxiliary frame and the chassis girder of the dumper can be well met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to connecting seat technical field, specifically speak to a kind of for the upper and lower embedded type connecting seat for connecting between dumper auxiliary frame and chassis girder. BACKGROUND

[0002] The upper and lower connecting seat for connecting between dumper auxiliary frame and chassis girder in prior art, the structure of its upper and lower two connecting seats is same, without embedded type structure, can only realize the fixation in upper and lower directions, there is certain moving gap in left and right directions and front and rear directions, so that when vehicle turns, the offset of auxiliary frame in left and right directions will drive the offset of upper loading container, thereby increasing the risk of the rollover of upper loading container;In uphill and downhill section, due to the offset of loading container gravity center, the front and rear sliding of auxiliary frame will drive the front and rear movement of loading container whole, thereby increasing the risk of loading container sliding;In addition, when vehicle meets potholed road and bad road condition, auxiliary frame will have more moving risk. SUMMARY

[0003] The utility model aims at providing a kind of for the upper and lower embedded type connecting seat for connecting between dumper auxiliary frame and chassis girder, for solving the technical problem in background art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0005] A kind of for the upper and lower embedded type connecting seat for connecting between dumper auxiliary frame and chassis girder, including for being connected with the upper connecting seat of dumper auxiliary frame and for being connected with the lower connecting seat of dumper chassis girder, the bottom of the upper connecting seat is provided with recess, the top of the lower connecting seat is provided with tongue, the lower connecting seat is detachably embedded and connected with the recess of the bottom of the upper connecting seat by the tongue of top setting.

[0006] Further, the upper connecting seat includes a first connecting plate and a first U-shaped groove plate disposed on the front side of the first connecting plate, the lower connecting seat includes a second connecting plate and a second U-shaped groove plate disposed on the front side of the second connecting plate, the groove bottom of the first U-shaped groove plate and the groove bottom of the second U-shaped groove plate are disposed back to back, the recess includes a first U-shaped opening provided in the bottom of the first connecting plate and a second U-shaped opening provided on the groove bottom of the first U-shaped groove plate, and the first U-shaped opening and the second U-shaped opening are vertically communicated, and the tongue is disposed on the top of the second connecting plate.

[0007] Further, the tongue and the second connecting plate are of an integral structure or a split structure.

[0008] Further, the groove bottom of the first U-shaped groove plate is provided with a plurality of first connecting holes, and the groove bottom of the second U-shaped groove plate is provided with a plurality of second connecting holes, the plurality of first connecting holes correspond to the plurality of second connecting holes one by one.

[0009] Further, the front side of the first connecting plate is further provided with a first reinforcing plate, and the first reinforcing plate is fixedly connected with the front side surface of the first connecting plate and the inner bottom surface of the groove bottom of the first U-shaped groove plate respectively.

[0010] Further, the front side of the second connecting plate is further provided with a second reinforcing plate, and the second reinforcing plate is fixedly connected with the front side surface of the second connecting plate and the inner bottom surface of the groove bottom of the second U-shaped groove plate respectively.

[0011] Further, a plurality of third connecting holes are formed in the first connecting plate.

[0012] Further, a plurality of fourth connecting holes are formed in the second connecting plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] Through the embedded connection of the upper connecting seat and the lower connecting seat, the displacement of the dumper auxiliary frame and the chassis girder in the up-down direction, the front-rear direction and the left-right direction can be limited, the upper connecting seat and the lower connecting seat can be detachable and adjustable in tightness, the functions are various, and the connection requirements of the dumper auxiliary frame and the chassis girder can be met well. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings described below are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor under the premise of the drawings.

[0016] Figure 1 It is the three-dimensional structure schematic diagram of one view of the first embodiment of the utility model;

[0017] Figure 2 It is the three-dimensional structure schematic diagram of another view of the first embodiment of the utility model;

[0018] Figure 3 It is the front view of the first embodiment of the utility model;

[0019] Figure 4 It is the left view of the first embodiment of the utility model;

[0020] Figure 5is a stereogram structure schematic view of one perspective of the second embodiment of the utility model;

[0021] Figure 6 is a stereogram structure schematic view of another perspective of the second embodiment of the utility model;

[0022] Figure 7 is a stereogram structure schematic view of one perspective of the third embodiment of the utility model;

[0023] Figure 8 is a stereogram structure schematic view of another perspective of the third embodiment of the utility model;

[0024] Figure 9 is a stereogram structure schematic view of one perspective of the fourth embodiment of the utility model;

[0025] Figure 10 is a stereogram structure schematic view of another perspective of the fourth embodiment of the utility model;

[0026] Figure 11 is a structure schematic view of the upper connecting seat in the first and third embodiments;

[0027] Figure 12 is an exploded view of the upper connecting seat in the first and third embodiments;

[0028] Figure 13 is a structure schematic view of the upper connecting seat in the second and fourth embodiments;

[0029] Figure 14 is an exploded view of the upper connecting seat in the second and fourth embodiments;

[0030] Figure 15 is a structure schematic view of the lower connecting seat in the first to fourth embodiments;

[0031] Figure 16 is an exploded view of the lower connecting seat in the first and second embodiments;

[0032] Figure 17 is an exploded view of the lower connecting seat in the third and fourth embodiments;

[0033] Explanation of reference numerals: 1, upper connecting seat; 101, first connecting plate; 102, first U-shaped groove plate; 103, first connecting hole; 104, first reinforcing plate; 105, third connecting hole; 2, lower connecting seat; 201, second connecting plate; 202, second U-shaped groove plate; 203, second connecting hole; 204, second reinforcing plate; 205, fourth connecting hole; 3, recess; 301, first U-shaped mouth; 302, second U-shaped mouth; 4, tongue. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme in the embodiment of the utility model will be described clearly and completely in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0035] Therefore, the detailed description of the embodiment of the utility model provided in the drawings below is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0036] In the description of the embodiment of the utility model, it should be noted that if the terms "upper", "lower", "horizontal", "inner" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product 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 must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance. In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0037] In the description of the embodiment of the utility model, it should also be noted that unless otherwise explicitly specified and limited, if the terms "set", "installed", "connected", "connected" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements inside. For those of ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0038] The utility model will be further described below in combination with the drawings:

[0039] Embodiment one: refer to Figures 1 to 4The utility model provides a first kind of embodiment of the utility model for the up and down embedded type connecting seat of the connection of the auxiliary frame and chassis girder of self-unloading vehicle, contains the upper connecting seat 1 for being connected with the auxiliary frame of self-unloading vehicle and the lower connecting seat 2 for being connected with the chassis girder of self-unloading vehicle, wherein the bottom of upper connecting seat 1 is provided with recess 3, the top of lower connecting seat 2 is provided with tongue 4, and lower connecting seat 2 is detachably embedded and connected with recess 3 of the bottom of upper connecting seat 1 through the tongue 4 of the top.

[0040] Please refer to Figure 11 、 Figure 12 、 Figure 15 、 Figure 16 In the first embodiment, the upper connecting seat 1 comprises a first connecting plate 101 and a first U-shaped groove plate 102 arranged on the front side of the first connecting plate 101, the lower connecting seat 2 comprises a second connecting plate 201 and a second U-shaped groove plate 202 arranged on the front side of the second connecting plate 201, and the groove bottoms of the first U-shaped groove plate 102 in the upper connecting seat 1 and the second U-shaped groove plate 202 in the lower connecting seat 2 are arranged back to back. The recess 3 comprises a first U-shaped opening 301 arranged on the bottom of the first connecting plate 101 and a second U-shaped opening 302 arranged on the groove bottom of the first U-shaped groove plate 102, and the first U-shaped opening 301 and the second U-shaped opening 302 are vertically communicated to form the recess 3 together. The tongue 4 is arranged on the top of the second connecting plate 201.

[0041] Please refer to Figure 15 and Figure 16 In the first embodiment, the tongue 4 and the second connecting plate 201 are of an integral structure, that is, the tongue 4 and the second connecting plate 201 are an integral whole.

[0042] It can be understood that, in addition to the integral structure, the tongue 4 and the second connecting plate 201 can also adopt a split structure according to actual needs.

[0043] Please refer to Figure 11 、 Figure 12 、 Figure 15 and Figure 16 In the first embodiment, the groove bottom of the first U-shaped groove plate 102 is provided with a plurality of first connecting holes 103, the groove bottom of the second U-shaped groove plate 202 is provided with a plurality of second connecting holes 203, and the plurality of first connecting holes 103 arranged on the groove bottom of the first U-shaped groove plate 102 correspond to the plurality of second connecting holes 203 arranged on the groove bottom of the second U-shaped groove plate 202 one by one. In use, the first U-shaped groove plate 102 and the first U-shaped groove plate 102 are connected together through the connecting bolts inserted in the first connecting holes 103 and the second connecting holes 203, so as to realize the fastening connection of the upper connecting seat 1 and the lower connecting seat 2.

[0044] Please refer to Figure 1 and Figure 11In order to improve the strength of the upper connecting seat 1, in the first embodiment, the front side of the first connecting plate 101 is further provided with a first reinforcing plate 104, and the first reinforcing plate 104 is fixedly connected with the front side surface of the first connecting plate 101 and the inner bottom surface of the groove bottom of the first U-shaped groove plate 102.

[0045] Please refer to Figure 2 and Figure 15 In order to improve the strength of the lower connecting seat 1, in the first embodiment, the front side of the second connecting plate 201 is further provided with a second reinforcing plate 204, and the second reinforcing plate 204 is fixedly connected with the front side surface of the second connecting plate 201 and the inner bottom surface of the groove bottom of the second U-shaped groove plate 202.

[0046] In use, the upper connecting seat 1 is connected with the auxiliary frame of the dump truck in a welding mode, the lower connecting seat 2 is connected with the chassis beam of the dump truck in a welding mode, the upper connecting seat 1 and the lower connecting seat 2 are first connected together in an embedding mode (i.e. the lower connecting seat 2 is embedded into the recess 3 at the bottom of the upper connecting seat 1 through the tongue 4 at the top), and then connected together in a bolt fixing mode.

[0047] Embodiment two: please refer to Figure 5 , Figure 6 , Figure 13 and Figure 14 The second embodiment of the upper and lower embedded connecting seat for connecting the auxiliary frame of the dump truck and the chassis beam is provided, and the difference between the second embodiment and the first embodiment is that: (1) a plurality of third connecting holes 105 are formed in the first connecting plate 101, and the plurality of third connecting holes 105 are used for penetrating bolts to realize the connection and fixation of the first connecting plate 101 and the auxiliary frame of the dump truck; (2) in use, the upper connecting seat 1 is connected with the auxiliary frame of the dump truck in a bolt fixing mode.

[0048] Embodiment three: please refer to Figure 7 , Figure 8 and Figure 17 The third embodiment of the upper and lower embedded connecting seat for connecting the auxiliary frame of the dump truck and the chassis beam is provided, and the difference between the third embodiment and the first embodiment is that: (1) a plurality of fourth connecting holes 205 are formed in the second connecting plate 201, and the plurality of fourth connecting holes 205 are used for penetrating bolts to realize the connection and fixation of the second connecting plate 201 and the chassis beam of the dump truck; (2) in use, the lower connecting seat 2 is connected with the chassis beam of the dump truck in a bolt fixing mode.

[0049] Embodiment four: please refer to Figure 9 and Figure 10, the fourth embodiment of the utility model for the up and down embedded type connecting seat for connecting the auxiliary frame and the chassis girder of the dump truck is provided, and the difference between the fourth embodiment and the first embodiment is that (1) a plurality of third connecting holes 105 are formed on the first connecting plate 101, and a plurality of fourth connecting holes 205 are formed on the second connecting plate 201; the plurality of third connecting holes 105 are used for penetrating bolts, so that the first connecting plate 101 is connected and fixed with the auxiliary frame of the dump truck; the plurality of fourth connecting holes 205 are used for penetrating bolts, so that the second connecting plate 201 is connected and fixed with the chassis girder of the dump truck; (2) when in use, the upper connecting seat 1 is connected with the auxiliary frame of the dump truck in the bolt fixing mode, and the lower connecting seat 2 is connected with the chassis girder of the dump truck in the bolt fixing mode.

[0050] Finally, it is explained that the above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the utility model specification and the attached drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A top and bottom fitting type connecting seat for connecting a sub-frame of a dump truck with a chassis girder, characterized in that: The utility model provides a connecting seat for connecting with the auxiliary frame of a dump truck and a connecting seat for connecting with the chassis girder of a dump truck, the bottom of the upper connecting seat (1) is provided with a groove (3), the top of the lower connecting seat (2) is provided with a tongue (4), and the lower connecting seat (2) is detachably embedded and connected with the groove (3) in the bottom of the upper connecting seat (1) through the tongue (4) provided on the top.

2. The up-and-down fitting type connecting seat for connecting the sub-frame of a dump truck with a chassis beam according to claim 1, characterized in that: The upper connecting seat (1) comprises a first connecting plate (101) and a first U-shaped groove plate (102) arranged on the front side of the first connecting plate (101), the lower connecting seat (2) comprises a second connecting plate (201) and a second U-shaped groove plate (202) arranged on the front side of the second connecting plate (201), the groove bottoms of the first U-shaped groove plate (102) and the second U-shaped groove plate (202) are arranged back to back, the groove (3) comprises a first U-shaped opening (301) formed in the bottom of the first connecting plate (101) and a second U-shaped opening (302) formed on the groove bottom of the first U-shaped groove plate (102), and the first U-shaped opening (301) and the second U-shaped opening (302) are vertically communicated, and the tongue (4) is arranged on the top of the second connecting plate (201).

3. The up-and-down fitting type connecting seat for connecting the sub-frame of a dump truck with the chassis beam according to claim 2, characterized in that: The tongue (4) and the second connecting plate (201) are in an integral structure or a split structure.

4. The up-and-down fitting type connecting seat for connecting the sub-frame of a dump truck with the chassis beam according to claim 2, characterized in that: The groove bottom of the first U-shaped groove plate (102) is provided with a plurality of first connecting holes (103), the groove bottom of the second U-shaped groove plate (202) is provided with a plurality of second connecting holes (203), and the plurality of first connecting holes (103) and the plurality of second connecting holes (203) correspond one by one.

5. The up-and-down fitting type connecting seat for connecting the sub-frame of a dump truck with the chassis beam according to claim 2, characterized in that: The front side of the first connecting plate (101) is further provided with a first reinforcing plate (104), and the first reinforcing plate (104) is fixedly connected with the front side surface of the first connecting plate (101) and the inner bottom surface of the groove bottom of the first U-shaped groove plate (102) respectively.

6. The up-and-down fitting type connecting seat for connecting the sub-frame of a dump truck with a chassis beam according to claim 2, characterized in that: The front side of the second connecting plate (201) is further provided with a second reinforcing plate (204), and the second reinforcing plate (204) is fixedly connected with the front side surface of the second connecting plate (201) and the inner bottom surface of the groove bottom of the second U-shaped groove plate (202) respectively.

7. The up-and-down fitting type connecting seat for connecting the sub-frame of a dump truck with the chassis beam according to claim 2, characterized in that: A plurality of third connecting holes (105) are formed in the first connecting plate (101).

8. The up-and-down fitting type connecting seat for connecting the sub-frame of a dump truck with the chassis beam according to claim 2, characterized in that: A plurality of fourth connecting holes (205) are formed in the second connecting plate (201).