A-shaped frame and walking mechanical equipment

Abstract

The utility model relates to the technical field of walking machinery, in particular to an A-shaped frame and walking mechanical equipment, the A-shaped frame comprises a head connecting piece, a connecting assembly and a tail connecting assembly, the head connecting piece comprises a pivot joint lug and two first connecting parts symmetrically arranged on the two sides of the pivot joint lug, and the pivot joint lug is in pivot joint with a frame; the connecting assembly comprises two connecting pipes, and one ends of the two connecting pipes are connected with the two first connecting parts in an inserted mode correspondingly and fixedly welded to the corresponding first connecting parts. The tail connecting assembly comprises two tail connecting pieces, each tail connecting piece comprises a second connecting part and a third connecting part which are fixedly connected with each other, the two second connecting parts are connected with the other ends of the two connecting pipes in an inserted mode respectively and fixedly welded to the corresponding second connecting parts, and the two third connecting parts are used for being fixedly connected with an axle respectively. According to the A-shaped frame, the head connecting piece and the two tail connecting pieces are all the integrally-formed pieces, the strength of the A-shaped frame is high, and then the strength and stability of the A-shaped frame are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to walking machinery technical field especially relates to A type frame and walking machinery equipment. BACKGROUND

[0002] A type frame is the component part of suspension, is the key spare part of axle power transmission, is also the link of power transmission in whole vehicle, connects axle and frame, in the process of vehicle driving, A type frame is subjected to the force in multiple directions, so that A type frame is prone to cracking, bolt loosening and other problems, influence whole vehicle life and working condition.

[0003] At present, most A type frames are integrally welded, since the end of A type frame is subjected to greater force, is prone to end fracture, is not conducive to the stability of A type frame itself.

[0004] Therefore, A type frame and walking machinery equipment are urgently needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing A type frame and walking machinery equipment to solve the problems that most A type frames are integrally welded in the related art, since the end of A type frame is subjected to greater force, is prone to end fracture, is not conducive to the stability of A type frame itself.

[0006] On one hand, the utility model provides A type frame, the A type frame includes:

[0007] Head connecting piece, including pivot joint ear and two first connecting parts symmetrically arranged on both sides of the pivot joint ear, the pivot joint ear is used for with frame pivot joint, the head connecting piece is integrally formed piece;

[0008] Connecting assembly, including two connecting pipes, one end of two connecting pipes is respectively inserted with two first connecting parts, and one end of the connecting pipe is welded and fixed with the corresponding first connecting part;

[0009] Tail connecting assembly, including two tail connecting pieces, the tail connecting piece includes second connecting part and third connecting part that are fixed to each other, two second connecting parts are respectively inserted with the other end of two connecting pipes, and the other end of the connecting pipe is welded and fixed with the corresponding second connecting part, two third connecting parts are respectively used for with axle fixed connection, the tail connecting piece is integrally formed piece.

[0010] As a preferred technical scheme of the A-shaped frame, the first connecting part comprises a first connecting body and a first plug-in body fixed to each other, the first connecting body is fixed to the pivot lug, the first plug-in body is inserted into one end of the corresponding connecting pipe, the first connecting body is provided with a first slope surface on the surface opposite to the corresponding connecting pipe, the connecting pipe is provided with a second slope surface on the surface opposite to the corresponding first connecting body, and the first slope surface and the second slope surface form a first welding groove.

[0011] As a preferred technical scheme of the A-shaped frame, the second connecting part comprises a second connecting body and a second plug-in body fixed to each other, the second connecting body is fixed to the third connecting part, the second plug-in body is inserted into the other end of the corresponding connecting pipe, the second connecting body is provided with a third slope surface on the surface opposite to the corresponding connecting pipe, the connecting pipe is provided with a fourth slope surface on the surface opposite to the corresponding second connecting body, and the third slope surface and the fourth slope surface form a second welding groove.

[0012] As a preferred technical scheme of the A-shaped frame, the third connecting part is provided with a plurality of connecting holes, and the third connecting part is provided with a plurality of annular bosses corresponding to the plurality of connecting holes one by one, and the annular bosses are located outside the corresponding connecting holes.

[0013] As a preferred technical scheme of the A-shaped frame, the tail connecting piece further comprises a reinforcing rib plate, and the reinforcing rib plate is fixed to the second connecting part and the third connecting part respectively.

[0014] As a preferred technical scheme of the A-shaped frame, the edges of the reinforcing rib plate are provided with chamfers.

[0015] As a preferred technical scheme of the A-shaped frame, the connecting pipe comprises a plurality of surrounding plates, the plurality of surrounding plates form a box-shaped structure, and the adjacent two surfaces of the two adjacent surrounding plates are provided with fifth slope surfaces, and the two adjacent fifth slope surfaces form a third welding groove.

[0016] As a preferred technical scheme of the A-shaped frame, the connecting assembly further comprises a lifting point support, and at least one lifting point support is arranged on each connecting pipe.

[0017] As a preferred technical scheme of the A-shaped frame, the pivot lug comprises a lug body, a blocking ring and a flange ring, the lug body is fixed to two first connecting parts, the lug body is provided with a pivot hole, the blocking ring is fixed to the lug body, the flange ring is detachably arranged on the lug body, the blocking ring and the flange ring are located at two ends of the pivot hole respectively, and the blocking ring, the flange ring and the pivot hole are coaxial, the inner diameter of the blocking ring is a, the inner diameter of the pivot hole is b, and the inner diameter of the flange ring is c, a

[0018] In another aspect, the utility model provides walking mechanical equipment, including frame, axle and the A type frame of any scheme in above, the pivot joint ear with frame pivot joint, two tail connecting pieces are respectively with axle fixed connection.

[0019] The utility model discloses the beneficial effects that:

[0020] The utility model provides A type frame and walking mechanical equipment, this A type frame includes head connecting piece, connecting component and tail connecting component, and head connecting piece includes pivot joint ear and two first connecting parts of symmetrical setting in the both sides of pivot joint ear, and pivot joint ear is used for with frame pivot joint, and head connecting piece is integrated into one piece, and connecting component includes two connecting pipes, and one end of two connecting pipes is inserted with two first connecting parts respectively, and one end of connecting pipe is welded fixed with corresponding first connecting part, and tail connecting component includes two tail connecting pieces, and tail connecting piece includes the second connecting part and third connecting part of mutual fixed connection, and two second connecting parts are inserted with the other end of two connecting pipes respectively, and the other end of connecting pipe is welded fixed with corresponding second connecting part, and two third connecting parts are used for with axle fixed connection respectively, and tail connecting piece is integrated into one piece. The head connecting piece of this A type frame is pivot jointed with the frame, and two tail connecting pieces are fixed with the axle respectively, when walking mechanical equipment runs, and the head connecting piece of A type frame and two tail connecting pieces are all affected by the greater external force, because head connecting piece and two tail connecting pieces are integrated into one piece, and the self strength is higher, can bear the greater external force, effectively improved when the self stress is bigger, and the problem that easy to appear fracture, and then improved the self strength and stability of A type frame. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is structure diagram of A type frame in the utility model embodiment Figure 1 ;

[0022] Figure 2 It is structure diagram of A type frame in the utility model embodiment Figure 2 ;

[0023] Figure 3 It is structure diagram of head connecting piece of A type frame in the utility model embodiment

[0024] Figure 4 It is structure diagram of tail connecting piece of A type frame in the utility model embodiment

[0025] Figure 5 It is structure diagram of connecting pipe of A type frame in the utility model embodiment.

[0026] In the drawing:

[0027] 1, head connecting piece; 11, pivot connecting lug; 111, lug body; 112, blocking ring; 113, flange ring; 12, first connecting part; 121, first connecting body; 122, first plug-in body;

[0028] 2, connecting assembly; 21, connecting pipe; 211, coaming; 23, lifting point support;

[0029] 3, tail connecting assembly; 31, tail connecting piece; 311, second connecting part; 3111, second connecting body; 3112, second plug-in body; 312, third connecting part; 3121, connecting hole; 313, annular boss; 314, reinforcing rib plate;

[0030] 4, wire seat;

[0031] 51, first slope surface; 52, second slope surface; 53, third slope surface; 54, fifth slope surface. DETAILED DESCRIPTION

[0032] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and moreover, the first feature is "above", "above" and "above" of the second feature, which includes the first feature above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature is "below", "below" and "below" of the second feature, which includes the first feature below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection", "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0035] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout the description.The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0036] As Figures 1-5 The utility model provides A type frame, the A type frame includes head connecting piece 1, connecting component 2 and tail connecting component 3, head connecting piece 1 includes pivot joint ear 11 and the two first connecting parts 12 of symmetrical setting in the two sides of pivot joint ear 11, pivot joint ear 11 is used for with the frame pivot joint, and head connecting piece 1 is integrally formed piece;Connecting component 2 includes two connecting pipes 21, and one end of two connecting pipes 21 is inserted with two first connecting parts 12 respectively, and one end of connecting pipe 21 is welded with corresponding first connecting part 12 and fixed;Tail connecting component 3 includes two tail connecting pieces 31, and tail connecting piece 31 includes the second connecting part 311 and the third connecting part 312 of mutual fixed connection, and two second connecting parts 311 are mutually inserted with the other end of two connecting pipes 21 respectively, and the other end of connecting pipe 21 is welded with corresponding second connecting part 311 and fixed, and two third connecting parts 312 are used for with axle fixed connection respectively, and tail connecting piece 31 is integrally formed piece.The head connecting piece 1 of the A type frame is pivot jointed with the frame, and two tail connecting pieces 31 are fixed with axle respectively, when walking mechanical equipment runs, the head connecting piece 1 and two tail connecting pieces 31 of A type frame are all subjected to greater external force, because head connecting piece 1 and two tail connecting pieces 31 are all integrally formed pieces, and its own strength is higher, therefore can withstand greater external force, effectively improved the problem that easy to appear fracture when its own stress is greater, and then improved the strength and stability of A type frame itself.

[0037] The one end of the two connecting pipes 21 is respectively inserted into the two first connecting parts 12, and the one end of the connecting pipe 21 is welded and fixed with the corresponding first connecting part 12. Compared with only welding the connecting pipe 21 and the corresponding first connecting part 12, the connection strength of the connecting pipe 21 and the corresponding first connecting part 12 is further improved. In the embodiment, the first connecting part 12 is partially inserted into the one end of the connecting pipe 21. In other embodiments, the one end of the connecting pipe 21 can also be partially inserted into the first connecting part 12.

[0038] The other end of the two connecting pipes 21 is respectively inserted into the two second connecting parts 311, and the other end of the connecting pipe 21 is welded and fixed with the corresponding second connecting part 311. Compared with only welding the connecting pipe 21 and the corresponding second connecting part 311, the connection strength of the connecting pipe 21 and the corresponding second connecting part 311 is further improved. In the embodiment, the second connecting part 311 is partially inserted into the other end of the connecting pipe 21. In other embodiments, the other end of the connecting pipe 21 can also be partially inserted into the second connecting part 311.

[0039] Optionally, the two first connecting parts 12 are arranged at an angle, so that the two connecting pipes 21 connected to the first connecting parts 12 are arranged at an angle.

[0040] Optionally, the head connecting piece 1 is a casting piece. In other embodiments, the head connecting piece 1 can also be one of a 3D printed piece, a forged piece or a machined piece.

[0041] Optionally, the tail connecting piece 31 is a casting piece. In other embodiments, the head connecting piece 1 can also be one of a 3D printed piece, a forged piece or a machined piece.

[0042] Optionally, the first connecting part 12 comprises a first connecting body 121 and a first plug-in body 122 fixed to each other, the first connecting body 121 is fixed to the pivot lug 11, and the first plug-in body 122 is inserted into one end of the corresponding connecting pipe 21. The surface of the first connecting body 121 opposite to the corresponding connecting pipe 21 is provided with a first slope surface 51, and the surface of the connecting pipe 21 opposite to the corresponding first connecting body 121 is provided with a second slope surface 52, and the first slope surface 51 and the second slope surface 52 form a first welding bevel. In this embodiment, when the first plug-in body 122 is inserted into one end of the corresponding connecting pipe 21, compared with directly welding the first connecting body 121 and the connecting pipe 21, the first plug-in body 122 is inserted into one end of the connecting pipe 21, which further improves the stability of the connection between the first connecting body 121 and the connecting pipe 21. At the same time, the surface of the first connecting body 121 opposite to the corresponding connecting pipe 21 is provided with a first slope surface 51, and the surface of the connecting pipe 21 opposite to the corresponding first connecting body 121 is provided with a second slope surface 52, and the first slope surface 51 and the second slope surface 52 form a first welding bevel, which increases the welding area and further improves the stability of the welding, effectively improving the problem of welding seam cracking. Specifically, the cross section of the first welding bevel is trapezoidal or circular arc-shaped, etc.

[0043] Optionally, the second connecting part 311 comprises a second connecting body 3111 and a second plug-in body 3112 fixed to each other, the second connecting body 3111 is fixed to the third connecting part 312, and the second plug-in body 3112 is inserted into the other end of the corresponding connecting pipe 21. The surface of the second connecting body 3111 opposite to the corresponding connecting pipe 21 is provided with a third slope surface 53, and the surface of the connecting pipe 21 opposite to the corresponding second connecting body 3111 is provided with a fourth slope surface, and the third slope surface 53 and the fourth slope surface form a second welding bevel. In this embodiment, when the second plug-in body 3112 is inserted into the other end of the corresponding connecting pipe 21, compared with directly welding the second connecting body 3111 and the connecting pipe 21, the second plug-in body 3112 is inserted into the other end of the connecting pipe 21, which further improves the stability of the connection between the second connecting body 3111 and the connecting pipe 21. At the same time, the surface of the second connecting body 3111 opposite to the corresponding connecting pipe 21 is provided with a third slope surface 53, and the surface of the connecting pipe 21 opposite to the corresponding second connecting body 3111 is provided with a fourth slope surface, and the third slope surface 53 and the fourth slope surface form a second welding bevel, which increases the welding area and further improves the stability of the welding, effectively improving the problem of welding seam cracking. Specifically, the cross section of the second welding bevel is trapezoidal or circular arc-shaped, etc.

[0044] Optionally, the third connecting part 312 is provided with a plurality of connecting holes 3121, and the third connecting part 312 is provided with a plurality of annular bosses 313 corresponding to the plurality of connecting holes 3121, and the annular bosses 313 are located outside the corresponding connecting holes 3121. In this embodiment, the third connecting part 312 is in a plate structure, and the third connecting part 312 is attached to the axle, and the fastening bolt passes through the connecting hole 3121 and is screwed with the axle to fix the third connecting part 312 with the axle. At the same time, the head of the fastening bolt abuts against the annular boss on the outer circumferential side of the connecting hole 3121, thereby reducing the wear and pressure of the head on the third connecting part 312.

[0045] Optionally, the tail connecting piece 31 further comprises a reinforcing rib plate 314, and the reinforcing rib plate 314 is fixedly connected with the second connecting part 311 and the third connecting part 312, respectively. In this embodiment, a plurality of reinforcing rib plates 314 are provided, and the plurality of reinforcing rib plates 314 are arranged at intervals in the circumferential direction of the second connecting part 311. This arrangement can improve the stability of the connection between the second connecting part 311 and the third connecting part 312, and can effectively prevent relative deformation and cracking between the second connecting part 311 and the third connecting part 312.

[0046] Optionally, the edges of the reinforcing rib plate 314 are provided with chamfers. In this embodiment, this arrangement can eliminate structural stress and improve service life.

[0047] Optionally, the second connecting part 311 is in a rectangular structure, and the edges of the second connecting part 311 are provided with chamfers, which can eliminate structural stress and improve service life.

[0048] Optionally, the connecting pipe 21 comprises a plurality of surrounding plates 211, and the plurality of surrounding plates 211 are arranged in a box structure, and the adjacent two faces of the adjacent two surrounding plates 211 are provided as fifth inclined surfaces 54, and the adjacent two fifth inclined surfaces 54 are arranged as a third welding groove. In this embodiment, the third welding groove increases the welding area, thereby improving the stability of the welding and effectively improving the problem of welding cracking and improving the strength of the connecting pipe 21. Specifically, the cross section of the third welding groove is in a trapezoidal or circular arc shape, etc.

[0049] In other embodiments, the connecting pipe 21 can also be a seamless steel pipe or an I-beam structure.

[0050] Optionally, the connecting pipe 21 is provided with a plurality of reinforcing plates, and the plurality of reinforcing plates are arranged at intervals along the length direction of the connecting pipe 21, and each reinforcing plate is fixedly welded with the plurality of surrounding plates 211 of the connecting pipe 21. This arrangement can further improve the structural strength of the connecting pipe 21 itself.

[0051] Optionally, the connecting pipe 21 is bent at a preset angle, and in other embodiments, the connecting pipe 21 can also be a straight pipe.

[0052] Optionally, the connecting pipe 21 is provided with a plurality of wire seats 4, and / or the head connecting piece 1 is provided with a plurality of wire seats 4, and the wire seats 4 are used to fix the pipeline.

[0053] Optionally, the connecting assembly 2 further comprises a lifting point support 23, and each connecting pipe 21 is provided with at least one lifting point support 23.

[0054] Optionally, the pivot lug 11 comprises a lug body 111, a blocking ring 112 and a flange ring 113, the lug body 111 is fixedly connected with the two first connecting parts 12, the lug body 111 is provided with a pivot hole, the blocking ring 112 is fixedly arranged on the lug body 111, and the flange ring 113 is detachably arranged on the lug body 111, the blocking ring 112 and the flange ring 113 are located at two ends of the pivot hole respectively, and the blocking ring 112, the flange ring 113 and the pivot hole are coaxially arranged, the inner diameter of the blocking ring 112 is a, the inner diameter of the pivot hole is b, and the inner diameter of the flange ring 113 is c, a < b and c < b.

[0055] The embodiment further provides a walking mechanical device, which comprises a frame, an axle and the A-shaped frame in the above-mentioned scheme, the pivot lug 11 is pivotally connected with the frame, and the two tail connecting pieces 31 are fixedly connected with the axle respectively.

[0056] Obviously, the above-mentioned embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above-mentioned description. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement, etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A type A rack, characterized by The utility model relates to a kind of vehicle frame connecting structure, including: Head connector (1), including pivot lug (11) and two first connecting parts (12) symmetrically arranged on both sides of the pivot lug (11), the pivot lug (11) is used to be pivoted with frame, the head connector (1) is integrally formed piece; Connecting assembly (2), including two connecting pipes (21), one end of two connecting pipes (21) is respectively inserted with two first connecting parts (12), and one end of connecting pipe (21) is welded and fixed with corresponding first connecting part (12); Tail connecting assembly (3), including two tail connectors (31), the tail connector (31) includes second connecting part (311) and third connecting part (312) fixed to each other, two second connecting parts (311) are respectively inserted with the other end of two connecting pipes (21) each other, and the other end of connecting pipe (21) is welded and fixed with corresponding second connecting part (311), two third connecting parts (312) are respectively used to be fixed with axle, the tail connector (31) is integrally formed piece.

2. The A-frame of claim 1, wherein, The first connecting part (12) includes first connecting body (121) and first insertion body (122) fixed to each other, the first connecting body (121) is fixed to the pivot lug (11), the first insertion body (122) is inserted in one end of corresponding connecting pipe (21), the first connecting body (121) is provided with first slope surface (51) on the face opposite to corresponding connecting pipe (21), the connecting pipe (21) is provided with second slope surface (52) on the face opposite to corresponding first connecting body (121), and the first slope surface (51) and the second slope surface (52) are surrounded to form first welding bevel.

3. The A-frame of claim 1, wherein, The second connecting part (311) includes second connecting body (3111) and second insertion body (3112) fixed to each other, the second connecting body (3111) is fixed to the third connecting part (312), the second insertion body (3112) is inserted in the other end of corresponding connecting pipe (21), the second connecting body (3111) is provided with third slope surface (53) on the face opposite to corresponding connecting pipe (21), the connecting pipe (21) is provided with fourth slope surface on the face opposite to corresponding second connecting body (3111), and the third slope surface (53) and the fourth slope surface are surrounded to form second welding bevel.

4. The A-frame of claim 1, wherein, The third connecting part (312) is provided with a plurality of connecting holes (3121), and the third connecting part (312) is provided with a plurality of annular bosses (313) corresponding to the plurality of connecting holes (3121), and the annular boss (313) is located on the outside of the corresponding connecting hole (3121).

5. The A-frame of claim 1, wherein, The tail connector (31) further includes reinforcing rib plate (314), and the reinforcing rib plate (314) is fixed to the second connecting part (311) and the third connecting part (312) respectively.

6. The A-frame of claim 5, wherein, The edges of the reinforcing rib plate (314) are all provided with chamfer.

7. The A-frame of claim 1, wherein, The connecting pipe (21) comprises a plurality of surrounding plates (211), the plurality of surrounding plates (211) are arranged in a box type structure, and the adjacent two faces of two adjacent surrounding plates (211) are provided as fifth inclined surfaces (54), and the two adjacent fifth inclined surfaces (54) are arranged in a third welding groove.

8. The A-frame of claim 1, wherein, The connecting assembly (2) further comprises a lifting point support (23), and at least one lifting point support (23) is arranged on each connecting pipe (21).

9. The A-frame of claim 1, wherein, The pivot lug (11) comprises a lug body (111), a blocking ring (112) and a flange ring (113), the lug body (111) is fixedly connected with the two first connecting parts (12), the lug body (111) is provided with a pivot hole, the blocking ring (112) is fixedly arranged on the lug body (111), and the flange ring (113) is detachably arranged on the lug body (111); the blocking ring (112) and the flange ring (113) are located at two ends of the pivot hole respectively, and the blocking ring (112), the flange ring (113) and the pivot hole are coaxially arranged; the inner diameter of the blocking ring (112) is a, the inner diameter of the pivot hole is b, the inner diameter of the flange ring (113) is c, a < b, and c < b.

10. Mobile machine, characterized in that The A-shaped frame comprises a frame, an axle and the A-shaped frame of any one of claims 1-9, the pivot lug (11) is pivotally connected with the frame, and the two tail connecting parts (31) are fixedly connected with the axle respectively.

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