Adjustable trough for concrete mixer

Abstract

The utility model relates to the technical field of concrete mixer truck troughs, in particular to an adjustable trough for a concrete mixer truck, which comprises a mixer truck body, a support fixed at the rear end of the mixer truck body, a swing arm rotatably connected to the support, and a vertical shaft rotatably sleeved at the rear end of the swing arm. The bottom face of the front end of the telescopic trough is rotationally connected to the top end of the vertical shaft, the swing oil cylinder is used for pushing and pulling the swing arm to horizontally swing relative to the support, the driving part is used for driving the vertical shaft to rotate relative to the rear end of the swing arm, the bottom end of a piston cylinder of the inclination adjusting oil cylinder is hinged to the bottom end of the vertical shaft, and the top end of a piston rod of the inclination adjusting oil cylinder is hinged to the bottom, close to the front end, of the telescopic trough. And the problem that the mixer truck trough is difficult to adjust in multiple directions is well solved, so that the unloading efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a material trough of a concrete mixer truck, in particular to an adjustable material trough used for a concrete mixer truck. Background Art

[0002] Concrete mixer trucks play an indispensable role in the construction industry. They are used to transport concrete from mixing plants to construction sites and unload concrete into pumps at construction sites. When unloading, the concrete in the tank needs to be transferred to the inlet of the pump through the trough.

[0003] However, the commonly used troughs can generally only be adjusted in one direction. Therefore, when unloading, the position of the mixer truck needs to be constantly adjusted to align the unloading end of the trough with the inlet of the pumping machine, which is inconvenient to use; especially under space-restricted working conditions, it is more difficult to perform unloading operations. Utility Model Content

[0004] The utility model aims to provide an adjustable material trough for a concrete mixer truck, so as to solve the problem that the material trough of the mixer truck is difficult to adjust in multiple directions in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable trough for a concrete mixer truck, comprising a mixer truck body, the support is fixed to the rear end of the mixer truck body, the front end of the swing arm is rotatably connected to the support, the middle part of the vertical shaft is rotatably sleeved on the rear end of the swing arm, the front end bottom surface of the retractable trough is rotatably connected to the top end of the vertical shaft, the swing cylinder is used to push and pull the swing arm to swing horizontally relative to the support, the driving member is used to drive the vertical shaft to rotate relative to the rear end of the swing arm, the bottom end of the piston cylinder of the tilt adjustment cylinder is hinged to the bottom end of the vertical shaft, and the top end of the piston rod of the tilt adjustment cylinder is hinged to the bottom of the retractable trough near the front end.

[0006] Preferably, the driving member includes a hydraulic motor fixed to the swing arm near the rear end and a driving gear fixedly mounted on the power output shaft of the hydraulic motor, and the top end of the vertical shaft is fixedly mounted with a driven gear meshing with the driving gear.

[0007] Preferably, the support includes a base plate fixed to the rear wall of the mixer truck body, a support plate fixed to the rear wall of the base plate near the top and bottom and extending in the horizontal direction, and an axle rod whose top and bottom ends are rotatably mounted on the support plate respectively, and the front end of the swing arm is rotatably mounted on the axle rod.

[0008] Preferably, a shaft cylinder is vertically fixed to the rear end of the swing arm, and the middle part of the vertical shaft is rotatably mounted in the shaft cylinder.

[0009] Preferably, the retractable material trough includes a trough body 1, the middle part of the front end of the bottom surface is rotatably connected to the top of the vertical axis and the middle part is rotatably connected to the top of the piston rod of the tilt adjustment cylinder, a trough body 2 is slidably clamped in the inner cavity of the trough body 1, a trough body 3 is slidably clamped in the inner cavity of the trough body 2, a trough body 4 is slidably clamped in the inner cavity of the trough body 3, a telescopic cylinder 1 whose piston cylinder is connected to the outer wall of the trough body 1 and the piston rod is connected to the outer wall of the trough body 2, a telescopic cylinder 2 whose piston cylinder is connected to the outer wall of the trough body 2 and the piston rod is connected to the outer wall of the trough body 3, and a telescopic cylinder 3 whose piston cylinder is connected to the outer wall of the trough body 3 and the piston rod is connected to the outer wall of the trough body 4.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The adjustable material trough for a concrete mixer truck involved in the utility model is convenient for flexible multi-directional adjustment and telescopic adjustment, so that the discharge end of the material trough can be easily and quickly adjusted to the feed inlet of the pumping machine, thereby greatly improving the efficiency of the discharge; at the same time, the problem of difficulty in discharge under space-restricted working conditions is well solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall side view structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the side structure of the adjustable trough of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the telescopic trough of the utility model when viewed from above;

[0015] Figure 4 This is a schematic diagram of the storage state of the adjustable material trough of the utility model.

[0016] In the figure: 1- mixer truck body;

[0017] 2-support; 2.1-base plate; 2.2-support plate; 2.3-axis rod;

[0018] 3-swing arm; 3.1-axle cylinder;

[0019] 4-vertical axis; 4.1-driven gear;

[0020] 5- telescopic trough; 5.1- trough body 1; 5.2- trough body 2; 5.3- trough body 3; 5.4- trough body 4; 5.5- telescopic cylinder 1; 5.6- telescopic cylinder 2; 5.7- telescopic cylinder 3;

[0021] 6-swing cylinder;

[0022] 7-driving member; 7.1-hydraulic motor; 7.2-driving gear;

[0023] 8-Tilt adjustment cylinder. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3 The utility model provides a technical solution for an adjustable trough of a concrete mixer truck, comprising a mixer truck body 1, a support 2 fixed to the rear end of the mixer truck body 1, wherein the support 2 comprises a base plate 2.1 fixed to the rear wall of the mixer truck body 1, a support plate 2.2 fixed to the rear wall of the base plate 2.1 near the top and bottom and extending in the horizontal direction, and a shaft 2.3 whose top and bottom ends are rotatably mounted on the support plate 2.2 respectively.

[0026] The front end of the swing arm 3 is rotatably mounted on the shaft rod 2.3, and the rear end of the swing arm 3 is vertically fixed with a shaft cylinder 3.1.

[0027] The middle part of the vertical shaft 4 is rotatably mounted in the shaft cylinder 3.1.

[0028] The bottom surface of the front end of the retractable material trough 5 is rotatably connected to the top of the vertical axis 4. The retractable material trough 5 includes a plurality of trough structures that can be pulled and retracted, and is provided with a plurality of retractable oil cylinders that push and pull the trough structures to slide. Specifically, the retractable material trough 5 includes a trough body 1 5.1 whose middle part of the front end of the bottom is rotatably connected to the top of the vertical axis 4, a trough body 2 5.2 that is slidably mounted in the inner cavity of the trough body 1 5.1, a trough body 3 5.3 that is slidably mounted in the inner cavity of the trough body 2 5.2, a trough body 4 5.4 that is slidably mounted in the inner cavity of the trough body 3 5.3, a retractable oil cylinder 1 5.5 whose piston cylinder is connected to the outer wall of the trough body 1 5.1 and whose piston rod is connected to the outer wall of the trough body 2 5.2, a retractable oil cylinder 2 5.6 whose piston cylinder is connected to the outer wall of the trough body 2 5.2 and whose piston rod is connected to the outer wall of the trough body 3 5.3, and a retractable oil cylinder 3 5.7 whose piston cylinder is connected to the outer wall of the trough body 3 5.3 and whose piston rod is connected to the outer wall of the trough body 4 5.4. That is, telescopic cylinder 1 5.5 pushes and pulls trough body 2 5.2 to slide and retract relative to trough body 1 5.1; telescopic cylinder 2 5.6 is used to push and pull trough body 3 5.3 to slide and retract relative to trough body 2 5.2; telescopic cylinder 3 5.7 pushes and pulls trough body 4 5.4 to slide and retract relative to trough body 3 5.3, thereby realizing the overall telescopic adjustment of the telescopic trough 5.

[0029] The driving member 7 comprises a hydraulic motor 7.1 fixed to the swing arm 3 near the rear end and a driving gear 7.2 fixedly sleeved on the power output shaft of the hydraulic motor 7.1. The top end of the vertical shaft 4 is fixedly sleeved with a driven gear 4.1 meshing with the driving gear 7.2.

[0030] The swing cylinder 6 is used to push and pull the swing arm 3 to swing horizontally relative to the support 2, that is, the front end of the swing cylinder 6 piston cylinder is hinged to the bottom end of the rear wall of the base plate 2.1, and the rear end of its piston rod is hinged to the bottom surface of the swing arm 3.

[0031] The bottom end of the piston cylinder of the tilt adjustment cylinder 8 is hinged to the bottom end of the vertical shaft 4, and the top end of the piston rod of the tilt adjustment cylinder 8 is hinged to the middle of the bottom surface of the tank body 5.1.

[0032] In summary, when the mixer truck body 1 is driving, the swing cylinder 6 pulls the swing arm 3 to rotate forward relative to the shaft rod 2.3, and then the driving member 7 drives the rotation of the vertical axis 4, so that the retractable material trough 5 can be folded and stored on one side of the rear part of the mixer truck body 1 as a whole.

[0033] When unloading is required, the swing arm 3 is swung backward through the pushing action of the swing cylinder 6, and the hydraulic motor 7.1 drives the vertical shaft 4 to rotate relative to the shaft tube 3.1 through the driving gear 7.2 and the driven gear 4.1, so as to adjust the horizontal swing angle of the retractable trough 5; the pitch angle of the retractable trough 5 as a whole is adjusted by the extension and retraction of the tilting cylinder 8; and then the telescopic length of the retractable trough 5 as a whole is adjusted according to the distance between the mixer truck body 1 and the feed inlet of the pumping machine, so as to quickly align the unloading end of the trough with the feed inlet of the pumping machine to improve the unloading efficiency.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable trough for a concrete mixer truck, comprising a mixer truck body (1), characterized in that: Also includes: A support (2), the support (2) being fixed to the rear end of the mixer truck body (1); A swing arm (3), the front end of the swing arm (3) being rotatably connected to the support (2); A vertical shaft (4), the middle portion of the vertical shaft (4) being rotatably mounted on the rear end of the swing arm (3); A retractable material trough (5), the bottom surface of the front end of the retractable material trough (5) being rotatably connected to the top end of the vertical shaft (4); A swing cylinder (6), the swing cylinder (6) being used to push and pull the swing arm (3) to swing horizontally relative to the support (2); A driving member (7), the driving member (7) being used to drive the vertical shaft (4) to rotate relative to the rear end of the swing arm (3); The tilt adjustment cylinder (8) has a piston cylinder bottom end hinged to the bottom end of the vertical shaft (4), and a piston rod top end hinged to the bottom of the retractable trough (5) near the front end.

2. The adjustable trough for a concrete mixer truck according to claim 1, characterized in that: The driving member (7) comprises a hydraulic motor (7.1) fixed to a position near the rear end of the swing arm (3) and a driving gear (7.2) fixedly sleeved on a power output shaft of the hydraulic motor (7.1), and a driven gear (4.1) meshing with the driving gear (7.2) is fixedly sleeved on the top end of the vertical shaft (4).

3. The adjustable trough for a concrete mixer truck according to claim 1, characterized in that: The support (2) comprises a base plate (2.1) fixed to the rear wall of the mixer truck body (1), a support plate (2.2) fixed to the rear wall of the base plate (2.1) near the top and bottom and extending in the horizontal direction, and a shaft (2.3) whose top and bottom ends are rotatably mounted on the support plate (2.2), respectively, and the front end of the swing arm (3) is rotatably mounted on the shaft (2.3).

4. The adjustable trough for a concrete mixer truck according to claim 1, characterized in that: A shaft cylinder (3.1) is vertically fixed to the rear end of the swing arm (3), and the middle part of the vertical shaft (4) is rotatably sleeved in the shaft cylinder (3.1).

5. The adjustable trough for a concrete mixer truck according to claim 1, characterized in that: The telescopic trough (5) comprises a trough body 1 (5.1) whose middle part of the front end of the bottom is rotatably connected to the top of the vertical shaft (4) and whose middle part is rotatably connected to the top of the piston rod of the tilt adjustment cylinder (8), a trough body 2 (5.2) slidably mounted in the inner cavity of the trough body 1 (5.1), a trough body 3 (5.3) slidably mounted in the inner cavity of the trough body 2 (5.2), a trough body 4 (5.4) slidably mounted in the inner cavity of the trough body 3 (5.3), a telescopic oil cylinder 1 (5.5) whose piston cylinder is connected to the outer wall of the trough body 1 (5.1) and whose piston rod is connected to the outer wall of the trough body 2 (5.2), a telescopic cylinder 2 (5.6) whose piston cylinder is connected to the outer wall of the trough body 2 (5.2) and whose piston rod is connected to the outer wall of the trough body 3 (5.3), and a telescopic oil cylinder 3 (5.7) whose piston cylinder is connected to the outer wall of the trough body 3 (5.3) and whose piston rod is connected to the outer wall of the trough body 4 (5.4).

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