Concrete mixing truck with tail lifting function

Abstract

The utility model discloses a concrete mixing truck with a tail lifting function, and belongs to the technical field of tunnel construction equipment. Comprising a vehicle body, a walking part, a stirring tank, a hydraulic driving structure, a hydraulic pump station, a discharging structure, a riding wheel supporting structure, a hydraulic lifting structure and two hydraulic supporting structures, an annular guide rail is coaxially arranged on the rear portion of the stirring tank, the riding wheel supporting structure comprises two riding wheels, and the left side and the right side of the lower portion of the annular guide rail are slidably arranged on the two riding wheels respectively; the two hydraulic supporting structures are arranged on the left side and the right side of the vehicle body correspondingly. When the hydraulic supporting structure stretches, the lower end of the telescopic rod abuts against the ground. The hydraulic driving structure is rotationally arranged on the vehicle body, and the two riding wheels are arranged on the hydraulic lifting structure side by side left and right; the hydraulic driving structure, the hydraulic supporting structure and the hydraulic lifting structure are all connected with the hydraulic pump station. The tail end of the tank body is jacked, the height of the discharging port is increased, and the whole transport vehicle is controlled through hydraulic pressure.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tunnel construction equipment technical field, especially relate to a concrete mixing truck with tail lifting function, all through the hydraulic control. BACKGROUND

[0002] In the engineering tunnel, subway shield and so on construction operation, concrete mixing truck is used widely as the tool of transporting concrete. In order to prevent the concrete from depositing and solidifying in the transportation process, the kinetic energy of transport vehicle is needed, and the concrete is stirred constantly, so that the activity of concrete can be kept, and the construction technical requirement is met. In the prior art, motor or hydraulic motor can be used to realize stirring.

[0003] For example, the patent with the application number CN202220928095.3 discloses a small-capacity shield construction mortar truck, which comprises a vehicle body arranged along the front-rear direction, a walking part at the bottom of the vehicle body, a mortar tank arranged on the vehicle body along the front-rear direction, a stirring structure in the mortar tank, and a mortar outlet structure on the mortar tank. The front and rear ends of the vehicle body are provided with a traction plate and a traction seat that cooperate with each other. The mortar tank is a U-shaped groove with an open top. The mortar outlet structure includes a mortar outlet pump and a mortar outlet pipeline. The drive motor of the stirring structure and the mortar outlet pump are respectively located on the front and rear end faces of the mortar tank. The inlet of the mortar outlet pump is connected with the rear end bottom of the mortar tank, the outlet thereof is arranged downward and connected with the rear part of the mortar outlet pipeline. The mortar outlet pipeline is arranged along the front-rear direction and located below the mortar tank. The front part of the mortar outlet pipeline is provided with a first control valve, the front end thereof is connected with the middle part of the bottom of the mortar tank, and the rear end thereof serves as a mortar outlet and is provided with a second control valve.

[0004] A long-distance tunnel concrete transport vehicle is disclosed in patent application No. CN202223557963.0, which comprises a concrete tank mechanism and a motor car that can walk on the track, and also comprises a track trolley and a connecting frame. The track trolley is provided with steel wheels that can walk on the track. The track trolley is installed at the bottom of the front and rear ends of the connecting frame. The concrete tank mechanism is installed on the connecting frame. The front end of the connecting frame is connected with the motor car, and the track trolley at the bottom of the connecting frame is moved on the track by the motor car. The front end of the motor car is provided with an anti-slip device. The anti-slip device comprises a coupler, a brake cylinder and an elastic element. The coupler and the brake cylinder are respectively installed on the motor car through the elastic element. The extension rod of the brake cylinder is hinged to the coupler, and the extension rod can push the coupler to move up and down. The concrete tank mechanism comprises a mixing drum, a driving device, an auxiliary support device and an inlet and outlet device. The mixing drum is provided with a power shaft and an inlet and outlet port. The auxiliary support device is installed at the front and rear ends of the connecting frame. The mixing drum is installed on the connecting frame through the auxiliary support device. The driving device is arranged at the front end of the connecting frame and is drivingly connected with the power shaft of the mixing drum for driving the mixing drum to rotate. The inlet and outlet device is arranged at the tail end of the connecting frame and is connected with the inlet and outlet port of the mixing drum. The driving device comprises a diesel engine, a hydraulic pump, a hydraulic motor, a speed reducer, a generator, a storage battery, a radiator and an exhaust gas purifier. The diesel engine, the hydraulic pump, the hydraulic motor, the speed reducer and the power shaft of the mixing drum are drivingly connected in sequence. The diesel engine and the generator are drivingly connected. The generator, the storage battery and the radiator are electrically connected in sequence. The radiator is installed on the hydraulic pump and the hydraulic motor. The exhaust gas purifier is installed on the diesel engine.

[0005] With the development of modern TBM tunneling technology, the unloading method of the concrete mixing tank and the transport vehicle in the trolley has also developed diversely, which mainly has the following several kinds:

[0006] (1) Unloading on the transport track.

[0007] (2) Whole side shift unloading.

[0008] (3) Whole hoisting unloading.

[0009] (4) or other methods, such as described in patent application No. CN202221261385.3.

[0010] In the integral side shift and hoisting unloading construction, after the concrete tank is placed to the predetermined position, the unloading height thereof cannot reach the construction requirement in some working conditions, and the height of the concrete tank needs to be further lifted to reach the unloading height requirement. At present, the lifting modes mainly include two modes, one is that the whole is lifted by a hoist, and the other is that the whole is lifted by a hydraulic cylinder, and the stability of the tank after being lifted is difficult to be ensured, and the safety of the construction is greatly influenced. Meanwhile, after the whole is lifted, the position of the operating lever is also raised, the convenience of operation is reduced, and the safety risk of the personnel standing position is increased. CONTENTS OF THE UTILITY MODEL

[0011] In order to solve the above problems, the utility model improves the height of the discharge port by lifting the tail end of the tank body, and the whole transport vehicle is controlled by hydraulic pressure. The technical scheme is as follows:

[0012] The utility model discloses a concrete mixing transport vehicle with tail lifting function, which comprises a vehicle body 1 arranged along the front-back direction, a walking part 2 at the bottom of the vehicle body 1, a mixing tank 3 on the vehicle body 1, a hydraulic drive structure 4 on the vehicle body 1 and located at the front end of the mixing tank 3, a hydraulic pump station on the vehicle body 1, a discharging structure 5 at the rear end of the mixing tank 3 and a supporting roller supporting structure on the vehicle body 1 and located at the rear part of the mixing tank 3, the hydraulic drive structure 4 is connected with the hydraulic pump station through pipelines, the rear part of the mixing tank 3 is coaxially provided with an annular guide rail 7, the supporting roller supporting structure comprises two supporting rollers 6 arranged side by side, and the left and right sides of the lower part of the annular guide rail 7 are slidably arranged on the two supporting rollers 6 respectively, the rear part of the vehicle body 1 is provided with a hydraulic lifting structure 9 and two hydraulic supporting structures 8, the two hydraulic supporting structures 9 are respectively arranged on the left and right sides of the vehicle body 1 and are vertically arranged, when the hydraulic supporting structure 8 is stretched out, the lower end of the telescopic rod of the hydraulic supporting structure 8 abuts against the ground, the hydraulic drive structure 4 is rotatably arranged on the vehicle body 1 through a left-right rotating shaft 10, the two supporting rollers 6 are arranged side by side on the hydraulic lifting structure 9, when the hydraulic lifting structure 9 is stretched out, the mixing tank 3 rotates upwards around the rotating shaft 10, and the hydraulic supporting structure 8 and the hydraulic lifting structure 9 are connected with the hydraulic pump station through pipelines.

[0013] Among them, the mixing tank 3 in the utility model embodiment is arranged obliquely downwards from back to front, and stirring blades are arranged on the inner wall of the mixing tank 3, a groove is coaxially arranged on the circumferential surface of the supporting roller 6 and arranged obliquely downwards from back to front, and the groove is parallel to the axis of the mixing tank 3, the width of the groove is greater than the width of the annular guide rail 7, the annular guide rail 7 is slidably arranged in the groove, and the groove bottom and the circumferential surface of the supporting roller 6 are arc surfaces matched with each other so that the mixing tank 3 can rotate upwards.

[0014] Further, a rotating supporting seat 20 is arranged at the front part of the vehicle body 1 and below the hydraulic drive structure 4, and the bottom of the hydraulic drive structure 4 is hingedly connected with the rotating supporting seat 20 through the rotating shaft 10.​​​​

[0015] Further, the rear part of the vehicle body 1 is provided with a lifting base 11 along the left-right direction; the lifting base 11 is located directly below the rear part of the stirring tank 3, the upper side thereof is an arc matched with the stirring tank 3, and a top-open guiding frame 91 is arranged on the upper side; the hydraulic lifting structure 9 comprises two hydraulic cylinders 92 and a supporting wheel base 93 slidingly arranged in the guiding frame 91; the hydraulic cylinders 92 are arranged obliquely forward from bottom to top, the upper end of the telescopic rod is connected with the bottom of the supporting wheel base 93, the hydraulic cylinders 92 are perpendicular to the stirring tank 3, the hydraulic cylinders 92 are fixed on the bottom of the lifting base 11, and the cylinder bodies of the hydraulic cylinders 92 pass through the vehicle body 1 downward; the supporting wheel base 93 can slide along the direction of the hydraulic cylinders 92, and the supporting wheel 6 is arranged on the top of the supporting wheel base 93; the lower side of the supporting wheel base 9 is provided with a supporting protrusion; the two hydraulic cylinders 92 are synchronously driven, are connected with the hydraulic pump station through pipelines, are respectively located at the left part and the right part of the supporting wheel base 93, and are respectively located at the left side and the right side of the supporting protrusion; when the hydraulic cylinders 92 are retracted, the supporting protrusion abuts against the bottom of the guiding frame 91.

[0016] In the utility model, the hydraulic pump station is arranged at the front part of the vehicle body 1 and is located in front of the stirring tank 3, the hydraulic pump station comprises a control console 12, a hydraulic oil tank 13, a driving motor 14 and a hydraulic valve group 15, the hydraulic driving structure 4, the hydraulic supporting structure 8 and the hydraulic lifting structure 9 are connected with the hydraulic valve group 15 through pipelines, the control console 12 is electrically connected with the hydraulic valve group 15, and the hydraulic valve group 15, the driving motor 14 and the hydraulic oil tank 13 are sequentially connected through pipelines.

[0017] Specifically, the hydraulic valve group 15 is arranged at the top of the hydraulic oil tank 13, the driving motor 14 is arranged at the front of the hydraulic oil tank 13 and is arranged at the front end of the vehicle body 1, and the control console 12 is arranged at the left rear or right rear of the hydraulic oil tank 13.

[0018] Preferably, the front part of the vehicle body 1 is provided with a shed cover 16, the shed cover 16 is arranged along the front-rear direction and is arranged above the front part of the stirring tank 3, and the hydraulic motor of the front part of the hydraulic driving structure 4 and the hydraulic pump station are located directly below the shed cover 16.

[0019] Preferably, the rear end of the stirring tank 3 extends rearward relative to the rear end of the vehicle body 1, the front end and the rear end of the vehicle body 1 are provided with first towing seats 17 matched with each other, and the rearward first towing seat 17 is provided with an extended towing structure 18 through a bolt; the extended towing structure 18 is arranged along the front-rear direction, the front end and the rear end of the extended towing structure 18 are second towing seats matched with the first towing seats 17, and the rear end of the extended towing structure 18 is located below the rear end of the stirring tank 3.

[0020] Furthermore, in this embodiment of the present invention, the front and rear ends of the vehicle body 1 are each provided with two lifting lugs 19 arranged side by side.

[0021] The beneficial effects of the technical solution provided by this utility model embodiment are as follows: By lifting the tail end of the tank and increasing the height of the discharge port, this patent can effectively lower the center of gravity of the tank and enhance its stability. At the same time, without lifting the vehicle body, the convenience of operation and the safety of personnel positioning remain consistent with before lifting. Furthermore, the lifting of the tail end reduces the number of lifting control points. Attached Figure Description

[0022] Figure 1 This is a structural schematic diagram of a concrete mixer truck with a tail lifting function in an embodiment of this utility model.

[0023] Figure 2 This is a top view of a concrete mixer truck with a rear lifting function;

[0024] Figure 3 This is a rear view of a concrete mixer truck with a rear lifting function.

[0025] Figure 4 This is a structural diagram of the combination of the lifting base and the hydraulic lifting structure;

[0026] Figure 5 This is a structural diagram of a hydraulic lifting structure;

[0027] Figure 6 This is a structural diagram of the combination of the rotating support base, the rotating shaft and the hydraulic drive structure;

[0028] Figure 7 This is a schematic diagram of the entire hydraulic system.

[0029] Figure 8 This is a structural diagram of the support roller base.

[0030] In the diagram: 1. Vehicle body, 2. Walking unit, 3. Mixing tank, 4. Hydraulic drive structure, 5. Discharge structure, 6. Support roller, 7. Circular guide rail, 8. Hydraulic support structure, 9. Hydraulic lifting structure, 10. Rotary shaft, 11. Lifting base, 12. Control console, 13. Hydraulic oil tank, 14. Drive motor, 15. Hydraulic valve group, 16. Canopy, 17. First traction seat, 18. Extended traction structure, 19. Lifting lug, 20. Rotary support seat, 21. Feeding structure;

[0031] 91 Guide frame, 92 Hydraulic cylinder, 93 Support roller base. Detailed Implementation

[0032] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be described in further detail below with reference to the accompanying drawings.

[0033] Embodiment 1

[0034] Referring to Figures 1-8 Embodiment 1 provides a concrete mixing and transporting vehicle with tail lifting function, comprising a vehicle body 1, a walking part 2, a mixing tank 3, a hydraulic drive structure 4, a hydraulic pump station, a discharging structure 5, a supporting roller structure, a feeding structure 21, a rotating support seat 20, a lifting base 11, a hydraulic lifting structure 9 and two hydraulic support structures 8.

[0035] The vehicle body 1 is arranged along the front-rear direction, which can be a standard flat plate structure.

[0036] The walking part 2 is arranged at the bottom of the vehicle body 1. Specifically, the walking part 2 can be a bogie, which is slidably arranged on a track, and the number thereof is two. The two walking parts 2 are arranged at the front and rear of the vehicle body 1, respectively.

[0037] The rotating support seat 20 is arranged at the front of the vehicle body 1, which is located directly below the hydraulic drive structure 4.

[0038] The mixing tank 3 is arranged obliquely downward from back to front, and the inner wall thereof is provided with stirring blades. The rear part of the mixing tank 3 is coaxially provided with an annular guide rail 7, which can rotate on the vehicle body 1, and the front end thereof is provided with the hydraulic drive structure 4. The discharging structure 5 is arranged at the rear end of the mixing tank 3, and the feeding structure 21 (specifically two, which are arranged side by side in front of and behind the mixing tank 3) is arranged at the top of the mixing tank 3.

[0039] The hydraulic drive structure 4 is used to drive the mixing tank 3 to rotate, which comprises a speed reducer and a hydraulic motor (connected with the hydraulic pump station), and is rotatably arranged on the rotating support seat 20 through a left-right rotating shaft 10.

[0040] The lifting base 11 is arranged at the bottom of the vehicle body 1, which is arranged along the left-right direction and is located directly below the rear part of the mixing tank 3. The upper side thereof is an arc surface matched with the mixing tank 3, and the upper side thereof is provided with a top-open guide frame 91 (arranged obliquely, which is a rectangular frame with a closed bottom).

[0041] The supporting roller structure is arranged at the rear of the vehicle body 1, which is located at the rear part of the mixing tank 3, and is used to support and rotate the mixing tank 3. The supporting roller structure comprises two supporting rollers 6 (which can be arranged symmetrically left and right) arranged side by side, and the left and right sides of the lower part of the annular guide rail 7 are slidably arranged on the two supporting rollers 6, respectively. Specifically, the peripheral surface of the supporting roller 6 is coaxially provided with a groove (in which a bearing can be coaxially arranged), which is arranged obliquely downward from back to front and is parallel to the axis of the mixing tank 3. The width of the groove is greater than the width of the annular guide rail 7 to ensure that the mixing tank 3 can rotate up and down. The annular guide rail 7 is slidably arranged in the groove. The groove bottom and the peripheral surface of the supporting roller 6 are arc surfaces matched with each other to allow the mixing tank 3 to rotate upward.

[0042] Specifically, the hydraulic lifting structure 9 is arranged at the rear of the vehicle body 1, and the two supporting wheels 6 are arranged side by side on the hydraulic lifting structure 9. The hydraulic lifting structure 9 includes two hydraulic cylinders 92 and a supporting wheel base 93 slidingly arranged in a guide frame 91. The hydraulic cylinders 92 are arranged obliquely forward from bottom to top, the upper end of the telescopic rod of the hydraulic cylinders 92 is connected with the bottom of the supporting wheel base 93, the hydraulic cylinders 92 are perpendicular to the mixing tank 3, the hydraulic cylinders 92 are fixed at the bottom of the lifting base 11, and the cylinder body of the hydraulic cylinders 92 penetrates through the vehicle body 1 downward. The supporting wheel base 93 can slide in the direction of the hydraulic cylinders 92, and the supporting wheel 6 is arranged at the top of the supporting wheel base 93. The supporting wheel base 93 is a rectangular structure which is matched with the guide frame 91 and has an open bottom, a supporting protrusion (specifically a rectangular structure) is arranged at the middle of the lower side of the supporting wheel base 93, and the supporting protrusion can move up and down in the guide frame 91. The two hydraulic cylinders 92 are synchronously driven, are connected with the hydraulic pump station through pipelines, are respectively arranged at the left and right parts of the supporting wheel base 93, and are respectively arranged at the left and right sides of the supporting protrusion. When the hydraulic cylinders 92 are retracted, the supporting protrusion abuts against the bottom of the guide frame 91. When the hydraulic cylinders 92 are extended, the tail of the mixing tank 3 is lifted up.

[0043] The hydraulic supporting structure 8 (which is specifically a hydraulic cylinder) is arranged at the left and right sides of the rear of the vehicle body 1, and is vertically arranged. When the hydraulic supporting structure 8 is extended (used in cooperation with the hydraulic lifting structure 9), the lower end of the telescopic rod of the hydraulic supporting structure 8 (a tray is horizontally arranged on the lower end) abuts against the ground. The two hydraulic supporting structures 8 are symmetrically arranged and synchronously driven. Preferably, the tray of the hydraulic supporting structure 8 is prevented from being detached, so as to prevent the risk of collision between the tray and the sleeper caused by the tray sliding out due to vibration when the flat car runs at a high speed.

[0044] In the patent, because the tail of the mixing tank 3 is lifted upward, the whole mixing tank 3 is lifted upward, and then the transport vehicle has the risk of overturning. Therefore, the hydraulic supporting structure 8 is extended to support the transport vehicle, so as to avoid the risk of overturning.

[0045] The hydraulic pump station is arranged at the front of the vehicle body 1, is located in front of the mixing tank 3, and includes a control console 12, a hydraulic oil tank 13, a driving motor 14, a hydraulic valve group 15 (including a reversing valve, a check valve, a relief valve and an oil supplement valve), and the like. The hydraulic driving structure 4, the hydraulic supporting structure 8 and the hydraulic lifting structure 9 are connected with the hydraulic pump station through pipelines. Specifically, the hydraulic driving structure 4, the hydraulic supporting structure 8 and the hydraulic lifting structure 9 are connected with the hydraulic valve group 15 through pipelines, the control console 12 is electrically connected with the hydraulic valve group 15, and the hydraulic valve group 15, the driving motor 14 and the hydraulic oil tank 13 are sequentially connected through pipelines. Further, the pipelines in the patent are all soft tubes.

[0046] Embodiment 2

[0047] Reference Figure 1 and 3, embodiment 2 provides a concrete mixing truck with tail lifting function, which has basically the same structure as that of embodiment 1, except that the front part of the vehicle body 1 is provided with a canopy 16, which is arranged along the front and rear direction and is arranged above the front of the mixing tank 3, and the hydraulic motor and the hydraulic pump station at the front part of the hydraulic driving structure 4 are located directly below the canopy 16. Specifically, the canopy 16 includes a roof and four columns.

[0048] Embodiment 3

[0049] Embodiment 3 provides a concrete mixing truck with tail lifting function, which has basically the same structure as that of embodiment 1, except that the rear end of the mixing tank 3 in this embodiment extends backward relative to the rear end of the vehicle body 1, and the front end and the rear end of the vehicle body 1 are both provided with a first traction seat 17 that cooperates with each other, and the rear first traction seat 17 is provided with an extended traction structure 18 through a latch. The extended traction structure 18 is arranged along the front and rear direction, and its front and rear ends are second traction seats that cooperate with the first traction seat 17, and its rear end is located below the rear end of the mixing tank 3. The function of the extended traction structure 18 is to place the upper two adjacent concrete tanks when the vehicle is coupled; second, when not lifting and unloading, it can be rotated by 90 degrees, leaving space for the pump truck to receive materials.

[0050] Embodiment 4

[0051] Referring to Figure 1 and 3 , embodiment 4 provides a concrete mixing truck with tail lifting function, which has basically the same structure as that of embodiment 1, except that the front part and the rear end of the vehicle body 1 in this embodiment are both provided with two lifting lugs 19 (located on the left and right sides of the mixing tank 3) side by side. The four lifting lugs 19 are arranged in a rectangular shape. Further, the hydraulic pump station, the rotating support seat 20, the lifting base 11, the two hydraulic lifting structures 9 and the lifting lugs 19 are all arranged on the chassis, which is detachably fixed on the vehicle body 1.

[0052] Embodiment 5

[0053] Referring to Figures 1-3 , embodiment 5 provides a concrete mixing truck with tail lifting function, which has basically the same structure as that of embodiment 1, except that the hydraulic valve group 15 in this embodiment is arranged on the top of the hydraulic oil tank 13, the driving motor 14 is arranged in front of the hydraulic oil tank 13 and is arranged at the front end of the vehicle body 1, and the control console 12 is arranged on the left or right rear of the hydraulic oil tank 13.

[0054] Embodiment 6

[0055] The embodiment 6 provides the concrete mixing truck with the tail lifting function, which has basically the same structure as the structure of the embodiment 1, and the difference is that the diameter of the mixing tank 3 in the embodiment is 1.6 m, the distance between the two walking parts 2 is 6 m, and the width of the vehicle body 1 is 1.6 m. The arc surface diameter of the groove bottom and the circumferential surface of the supporting wheel 6 is 1000 mm.

[0056] The embodiment 7

[0057] The embodiment 7 provides the use method of the aforementioned concrete mixing truck with the tail lifting function, and the method is as follows: first, the first and second groups of the hydraulic valve groups 15 are used to control the hydraulic supporting structures 8 to extend and support the ground, so that the stability of the whole tank truck is improved; second, the third and fourth groups of the hydraulic valve groups 15 are used to control the hydraulic lifting structures 9 to lift the tail of the tank body to a required height; then, the fifth group of the hydraulic valve groups 15 is used to control the hydraulic motor to drive the tank body to rotate; finally, the motor speed regulating device is used to control the tank body to accelerate and decelerate to complete unloading.

[0058] In the patent embodiment, the "first", "second", "third" and "fourth" only have a distinguishing function, and have no special meaning.

[0059] The above merely describes the preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A concrete mixing and transporting vehicle with tail lifting function, comprising a vehicle body (1) arranged along the front-rear direction, a traveling part (2) at the bottom of the vehicle body (1), a mixing tank (3) on the vehicle body (1), a hydraulic drive structure (4) on the vehicle body (1) and located at the front end of the mixing tank (3), a hydraulic pump station on the vehicle body (1), a discharging structure (5) at the rear end of the mixing tank (3), and a supporting roller structure on the vehicle body (1) and located at the rear of the mixing tank (3), the hydraulic drive structure (4) being connected with the hydraulic pump station through pipelines, the rear of the mixing tank (3) being coaxially provided with an annular guide rail (7), and the supporting roller structure comprising two supporting rollers (6) arranged side by side, the left and right sides of the lower part of the annular guide rail (7) being respectively slidably arranged on the two supporting rollers (6); characterized in that, the rear of the vehicle body (1) is provided with a hydraulic lifting structure (9) and two hydraulic supporting structures (8), the two hydraulic supporting structures (8) being respectively arranged on the left and right sides of the vehicle body (1) and being vertically arranged, the lower end of the telescopic rod of the hydraulic supporting structure (8) abutting against the ground when the hydraulic supporting structure (8) is extended, the hydraulic drive structure (4) being rotatably arranged on the vehicle body (1) through a left-right rotating shaft (10), and the two supporting rollers (6) being arranged side by side on the hydraulic lifting structure (9), the mixing tank (3) rotating upward around the rotating shaft (10) when the hydraulic lifting structure (9) is extended, and the hydraulic supporting structure (8) and the hydraulic lifting structure (9) being connected with the hydraulic pump station through pipelines.

2. The concrete mixing delivery vehicle with a tail lift function according to claim 1, characterized in that, the mixing tank (3) is arranged obliquely downward from rear to front, and the inner wall thereof is provided with stirring blades, the peripheral surface of the supporting roller (6) is coaxially provided with a groove arranged obliquely downward from rear to front and parallel to the axis of the mixing tank (3), the width of the groove is greater than the width of the annular guide rail (7), the annular guide rail (7) is slidably arranged in the groove, and the groove bottom and the peripheral surface of the supporting roller (6) are arc surfaces matched with each other to allow the mixing tank (3) to rotate upward.

3. The concrete mixing delivery vehicle with a tail lift function according to claim 1, characterized in that, a rotating support seat (20) is arranged at the front of the vehicle body (1) and directly below the hydraulic drive structure (4), and the bottom of the hydraulic drive structure (4) is hingedly connected with the rotating support seat (20) through the rotating shaft (10).

4. The concrete mixing delivery vehicle with a tail lift function according to claim 2, characterized in that, The rear part of the vehicle body (1) is provided with a lifting base (11) in the left-right direction; the lifting base (11) is located directly below the rear part of the stirring tank (3), the upper side thereof is an arc-shaped part matched with the stirring tank (3), and a top-open guiding frame (91) is arranged on the upper side; the hydraulic lifting structure (9) comprises two hydraulic cylinders (92) and a supporting wheel base (93) slidingly arranged in the guiding frame (91); the hydraulic cylinders (92) are arranged obliquely forward from bottom to top, the upper end of the telescopic rod thereof is connected with the bottom of the supporting wheel base (93), the supporting wheel base (93) is perpendicular to the stirring tank (3), the supporting wheel base (93) is fixed to the bottom of the lifting base (11), and the cylinder body penetrates through the vehicle body (1) downwardly; the supporting wheel base (93) can slide in the direction where the hydraulic cylinders (92) are located, and the supporting wheel (6) is arranged on the top of the supporting wheel base (93); the lower middle part of the supporting wheel base (93) is provided with a supporting protrusion; the two hydraulic cylinders (92) are synchronously driven, are connected with the hydraulic pump station through pipelines, are respectively located at the left part and the right part of the supporting wheel base (93), and are respectively located at the left side and the right side of the supporting protrusion; when the hydraulic cylinders (92) are retracted, the supporting protrusion abuts against the bottom of the guiding frame (91).

5. The concrete mixing delivery vehicle with tail lift function according to claim 1, characterized in that, The hydraulic pump station is arranged at the front part of the vehicle body (1) and is located in front of the stirring tank (3); the hydraulic pump station comprises a control console (12), a hydraulic oil tank (13), a driving motor (14) and a hydraulic valve group (15); the hydraulic driving structure (4), the hydraulic supporting structure (8) and the hydraulic lifting structure (9) are connected with the hydraulic valve group (15) through pipelines; the control console (12) is electrically connected with the hydraulic valve group (15); and the hydraulic valve group (15), the driving motor (14) and the hydraulic oil tank (13) are sequentially connected through pipelines.

6. The concrete mixing delivery vehicle with tail lift function according to claim 5, characterized in that, The hydraulic valve group (15) is arranged on the top of the hydraulic oil tank (13); the driving motor (14) is arranged in front of the hydraulic oil tank (13) and at the front end of the vehicle body (1); and the control console (12) is arranged at the left rear or the right rear of the hydraulic oil tank (13).

7. The concrete mixing delivery vehicle with tail lift function according to claim 5, wherein, The front part of the vehicle body (1) is provided with a shed cover (16); the shed cover (16) is arranged in the front-rear direction and is arranged above the stirring tank (3); and the hydraulic motor of the front part of the hydraulic driving structure (4) and the hydraulic pump station are located directly below the shed cover (16).

8. The concrete mixing delivery vehicle with tail lift function according to claim 1, characterized in that, The rear end of the stirring tank (3) extends backward relative to the rear end of the vehicle body (1); the front end and the rear end of the vehicle body (1) are both provided with a first traction base (17) matched with each other; and the rear first traction base (17) is provided with an extended traction structure (18) through a latch.

9. The concrete mixing delivery vehicle with tail lift function according to claim 1, wherein, The front part and the rear end of the vehicle body (1) are both provided with two lifting lugs (19) arranged side by side in the left-right direction.

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