Disconnected frame structure of concrete mixing truck

Abstract

A disconnected frame structure of a concrete mixing truck relates to the technical field of concrete mixing trucks and comprises a chassis, a frame structure fixed on the chassis and a tank mounted on the frame. The frame structure comprises a front frame and a rear frame which are disconnected front and back, and the front frame and the rear frame are connected with the two ends of the tank body respectively; an accommodating space is formed between the front frame and the rear frame, and the lowest point of the tank body is suspended and embedded into the accommodating space, so that the mass center of the tank body is lowered. According to the disconnected frame structure of the concrete mixing truck, a traditional integral beam structure is broken, the height of the tank body and the mass center is reduced on the basis of ensuring the strength and the driving stability, meanwhile, the truck body weight is reduced, and the loading weight is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete mixing truck technical field, concretely is a kind of concrete mixing truck disconnected frame structure. BACKGROUND

[0002] With the continuous development of domestic infrastructure, the design requirements of the mixer tend to be compliant, not only the height of the whole vehicle is controlled within 4 meters, but also the prepared quality is not allowed to be over limit, under the same prepared quality requirement, if more concrete is loaded, the height is not allowed to be over limit, the chassis and the upper loading need to be reduced in weight to meet the legal requirements, and the requirement of high safety factor promotes the centroid to be as low as possible to prevent the risk of rollover during transportation. SUMMARY

[0003] The utility model discloses a kind of concrete mixing truck disconnected frame structure, break the traditional integral beam structure, reduce tank and centroid height on the basis of guaranteeing strength and driving stability, reduce vehicle body weight simultaneously, improve upper loading weight.

[0004] The technical scheme adopted by the utility model is as follows: a kind of concrete mixing truck disconnected frame structure, including chassis, the frame structure being fixed on the chassis, and the tank being installed on the frame;

[0005] The frame structure includes front frame and rear frame disconnected, and the front frame and the rear frame are connected with the two ends of the tank respectively;

[0006] The front frame and the rear frame form a containing space, and the lowest point of the tank is suspended and embedded into the containing space, so that the centroid of the tank is reduced.

[0007] As a preferred scheme, a speed reducer is installed on the front frame, and the speed reducer is connected with one end of the tank.

[0008] As a preferred scheme, two supporting wheels are installed on the rear frame, and the supporting wheels are supported on the rolling surface of the tank.

[0009] As a preferred scheme, the front frame and the rear frame have a slope near the end of the lowest point.

[0010] As a preferred scheme, the rear frame includes a rear sub-beam welded body, and a rear support and a rear sub-beam connecting member assembly fixed on the rear sub-beam welded body.

[0011] As a preferred scheme, the rear sub-beam welded body includes two longitudinal beams and a cross beam fixed between the two longitudinal beams, wherein the length direction of the longitudinal beam is along the length direction of the transport vehicle, and there is no cross beam between the two longitudinal beams near the lowest point, and the containing space is communicated.

[0012] As a preferred solution, a tailstock is mounted on the rear support, and a feeding hopper and a discharging hopper corresponding to the tank body material port are arranged on the tailstock.

[0013] As a preferred solution, a chute support for supporting the chute device is mounted on the rear support, and a locking fixing frame for limiting rotation of the chute device is arranged on the rear support.

[0014] As a preferred solution, a ladder is mounted on the rear support and extends to the top of the tank body.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The broken beam structure of the concrete mixing and transporting vehicle can make the center of gravity of the tank body descend, increase the safety factor in the transportation process, and reduce the overall height, so that it is easier to adjust the tank body volume within the range required by laws and regulations; meanwhile, the upper loading weight is reduced under the condition of safe and reliable strength, and more concrete can be transported within the full load range required by laws and regulations. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0018] Figure 1 It is a side view schematic diagram of the vehicle frame structure and the tank body after assembly of the utility model;

[0019] Figure 2 It is a rear view schematic diagram of the vehicle frame structure and the tank body after assembly of the utility model;

[0020] Figure 3 It is a top view schematic diagram of the front vehicle frame of the utility model;

[0021] Figure 4 It is a side view schematic diagram of the front vehicle frame of the utility model;

[0022] Figure 5 It is a top view schematic diagram of the front sub-beam welding body of the utility model;

[0023] Figure 6 It is a side view schematic diagram of the front sub-beam welding body of the utility model;

[0024] Figure 7 It is a shaft side schematic diagram of the front sub-beam welding body of the utility model;

[0025] Figure 8It is the overhead view schematic drawing of rear frame of the utility model;

[0026] Figure 9 It is the side view schematic drawing of rear frame of the utility model;

[0027] Figure 10 It is the rear view schematic drawing of rear frame of the utility model;

[0028] Figure 11 It is the overhead view schematic drawing of rear sub-beam welding body of the utility model;

[0029] Figure 12 It is the rear sub-beam connecting piece assembly schematic drawing of the utility model;

[0030] Figure 13 It is the side view schematic drawing of rear sub-beam welding body of the utility model;

[0031] Figure 14 It is the overall side view schematic drawing of the utility model.

[0032] Reference signs:

[0033] 1, front frame;

[0034] 1.1, front sub-beam welding body, 1.2, front support, 1.3, front sub-beam connecting piece assembly;

[0035] 1.1.1, longitudinal beam I, 1.1.2, cross beam, 1.1.3, reinforcing piece;

[0036] 1.3.1, connecting seat, 1.3.2, connecting plate, 1.3.3, lug;

[0037] 2, rear frame;

[0038] 2.1, rear sub-beam welding body, 2.2, rear support, 2.3, tail frame, 2.4, chute support, 2.5, locking fixing frame, 2.6, ladder, 2.7, rear sub-beam connecting piece assembly;

[0039] 2.1.1, longitudinal beam II;

[0040] 3, water tank;

[0041] 4, speed reducer;

[0042] 5, tank body, 5.1, lowest point;

[0043] 6, feed hopper;

[0044] 7, discharge hopper;

[0045] 8, chute device;

[0046] 9, supporting wheel;

[0047] 10, avoidance slope;

[0048] 11, chassis. DETAILED DESCRIPTION

[0049] In the following, the present application will be described in detail by way of exemplary embodiments. It is to be understood that elements, structures and features of one embodiment can be beneficially incorporated in other embodiments without further recitation.

[0050] It should be noted that, unless otherwise defined, technical terms or scientific terms used in the present application should be understood as the common meaning understood by a person with ordinary skill in the art to which the present application belongs. The terms "one", "a" or "the" and the like similar words used in the present application patent application specification and claims do not represent quantity limitation, but indicate the existence of at least one; The terms "first", "second" and "third" used in the present application should not be regarded as the limitation of the order of components, but only as a distinction between different components; The terms "include" or "contain" and the like similar words indicate that the elements or objects appearing before "include" or "contain" cover the elements or objects listed after "include" or "contain" and their equivalents, but do not exclude other elements or objects with the same function.

[0051] In order to more clearly describe the specific structure of the concrete mixing truck frame structure, combined with the attached Figures 1-14 The present embodiment is described:

[0052] As shown in Figure 1 , Figure 2 and Figure 14 A kind of concrete mixing truck frame structure of disconnecting type, including chassis 11, frame structure fixed on chassis 11, and tank 5 installed on frame structure;Frame structure includes front frame 1 and rear frame 2 disconnected in front and back, front frame 1 and rear frame 2 are connected with the two ends of tank 5 respectively;Forming accommodating space between front frame 1 and rear frame 2, the lowest point 5.1 of tank 5 is suspended and embedded into the accommodating space, so that the mass center of tank 5 is lowered, due to the design of disconnecting type, the overall mass of frame structure is also reduced, for example, a kind of concrete mixing truck produced by our company, after measurement, it is known that tank and mass center height can be effectively reduced by about 80mm, weight reduces about 100kg.

[0053] The front frame 1 is provided with a speed reducer 4 connected with one end of the tank body 5; the rear frame 2 is provided with two supporting wheels 9 supported on the rolling surface of the tank body 5, and the other part of the tank body 5 is suspended through the connecting mode, the tank body 5 is generally in an inclined state, the head is low, the tail is high, the lowest point 5.1 is close to the head of the tank body, and it needs to be noted that the lowest point 5.1 is a dynamic point, which always refers to the lowest protruding position of the tank body 5.

[0054] Since the front frame 1 and the rear frame 2 are used for bearing the tank body 5, the mass of the tank body 5 after bearing the concrete is large, the front frame 1 and the rear frame 2 need to have a certain length to ensure the stability of bearing, therefore the width of the accommodation space in the length direction of the chassis 11 cannot be too large, and in this background, in order to make the lowest point 5.1 of the tank body 5 smoothly fall into the accommodation space and save space, the front frame 1 and the rear frame 2 have an avoiding slope 10 close to the end of the lowest point 5.1.

[0055] The front frame 1 comprises a front sub-beam welded body 1.1, a front support 1.2 and a front sub-beam connecting piece assembly 1.3; the rear frame 2 comprises a rear sub-beam welded body 2.1, a rear support 2.2, a tail frame 2.3, a chute support 2.4, a locking fixing frame 2.5, a ladder 2.6 and a rear sub-beam connecting piece assembly 2.7;

[0056] The front sub-beam welded body 1.1 and the rear sub-beam welded body 2.1 are substantially the same in structure, and both comprise two longitudinal beams and a cross beam fixed between the two longitudinal beams, wherein the length direction of the longitudinal beam is along the length direction of the transport vehicle, and there is no cross beam between the two longitudinal beams close to the lowest point 5.1, which is communicated with the accommodation space, and the absence of the cross beam will not interfere with the lowest point 5.1, which is beneficial to save space.

[0057] The front frame 1 and the rear frame 2 will be described below:

[0058] Referring to Figures 3-7 , the front sub-beam welded body 1.1 is an attachment of the transition piece and the connecting piece of the front frame 1, which comprises two longitudinal beams 1.1.1 and one cross beam 1.1.2, a reinforcing piece 1.1.3 is arranged between the longitudinal beam and the cross beam, and the avoiding slope 10 is specifically at the end of the longitudinal beam; the front support 1.2 is a bearing body of the front part, and the upper part is provided with the speed reducer 4, and then the speed reducer 4 is connected with the tank body 5; the water tank 3 is further arranged above the speed reducer 4 for washing the tank body 5; the left side of the front sub-beam connecting piece assembly 1.3 has two connecting seats 1.3.1 (which play a role of upward and downward tension, front and rear limiting) and one connecting plate 1.3.2 (which plays a role of upward and downward tension, front and rear and left and right limiting), and the right side has one connecting seat 1.3.1, one lifting lug 1.3.3 (which plays a role of upward and downward tension) and one connecting plate 1.3.2, which are used for connecting the front frame 1 and the chassis 11 firmly;

[0059] Referring to Figures 8-13 , the rear sub-beam welding body 2.1 is an attachment body of the rear frame 2 as a transition and connecting piece, which includes two longitudinal beams II 2.1.1 and three cross beams 1.1.2, the longitudinal beams II and the cross beams are provided with reinforcing pieces 1.1.3, and the avoidance bevel 10 is specifically arranged at the end of the longitudinal beam II; the rear support 2.2 is a rear bearing body, on which a left and right supporting wheel 9 is installed, the left and right supporting wheels 9 are in contact with the rolling surface of the tank body 5 to support the rear part of the tank body 5; the tail frame 2.3 is welded on the upper part of the rear support 2.2 as a support body of the feeding hopper 6 and the discharging hopper 7; the chute support 2.4 is welded at the rear of the rear support 2.2 to support the chute device 8; the locking fixing frame 2.5 is welded on the right side of the chute support 2.4 to fix the chute device 8 to prevent rotation; the climbing ladder 2.6 is arranged on both sides of the rear frame 2, through which the driver can flush the tank body 5 and check the loading and unloading conditions in the tank; and the rear sub-beam connecting piece assembly 2.7 is connected with the chassis 11 through the left and right arrangement of two connecting seats 1.3.1, two hanging ears 1.3.3 and one connecting plate 1.3.2.

[0060] The parts not described in detail in the above embodiment are prior art.

[0061] It should be noted that although the utility model has been described through the above embodiments, the utility model can also have other various embodiments. Those skilled in the art can obviously make various corresponding changes and modifications to the utility model without departing from the spirit and scope of the utility model, but these changes and modifications should all belong to the scope protected by the claims and equivalents of the utility model.

Claims

1. A concrete mixing truck split frame structure, comprising a chassis, a frame structure fixed on the chassis, and a tank body (5) installed on the frame structure, characterized in that: the frame structure comprises a front frame (1) and a rear frame (2) split at the front, the front frame (1) and the rear frame (2) are connected with two ends of the tank body (5) respectively; a receiving space is formed between the front frame (1) and the rear frame (2), and the lowest point (5.1) of the tank body (5) is suspended and embedded into the receiving space, so as to lower the center of mass of the tank body (5).

2. A split frame structure for a concrete mixing truck as defined in claim 1, wherein: A reduction gear (4) is installed on the front frame (1) and connected with one end of the tank body (5).

3. A split frame structure for a concrete mixing truck as defined in claim 1 wherein: Two supporting wheels (9) are installed on the rear frame (2) and supported on the rolling surface of the tank body (5).

4. A split frame structure for a concrete mixing truck as defined in claim 1 wherein: The front frame (1) and the rear frame (2) have an avoiding slope (10) near the end of the lowest point (5.1).

5. A split frame structure for a concrete mixing truck as defined in claim 1 wherein: The rear frame (2) comprises a rear sub-beam welded body (2.1), and a rear support (2.2) and a rear sub-beam connecting member assembly (2.7) fixed on the rear sub-beam welded body (2.1).

6. A split frame structure for a concrete mixing truck as defined in claim 5 wherein: The rear sub-beam welded body (2.1) comprises two longitudinal beams and a cross beam fixed between the two longitudinal beams, wherein the longitudinal beams are arranged along the length direction of the truck, and there is no cross beam between the two longitudinal beams near the lowest point (5.1), and the two longitudinal beams are communicated with the receiving space.

7. A split frame structure for a concrete mixing truck as defined in claim 5 wherein: A tail frame (2.3) is installed on the rear support (2.2), and the tail frame (2.3) is provided with an inlet hopper (6) and an outlet hopper (7) corresponding to the tank body (5).

8. A split frame structure for a concrete mixing truck as defined in claim 5 wherein: A chute support (2.4) for supporting a chute device (8) is installed on the rear support (2.2), and a locking fixing frame (2.5) for limiting the rotation of the chute device (8) is installed on the rear support (2.2).

9. A split frame structure for a concrete mixing truck as defined in claim 1 wherein: A ladder (2.6) extending to the top of the tank body (5) is installed on the rear support (2.2).

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