CN211590736U - Discharging device and mixer truck discharging operation system - Google Patents

Abstract

The utility model provides an operating system of unloading of discharge apparatus and trucd mixer. Wherein, the discharging device comprises a base; the discharging mechanism is arranged on the base and used for carrying and guiding materials; and the running system is connected with the base and is used for driving the discharging device to move, wherein the height of the discharging mechanism from the running surface of the running system is adjustable. Through the technical scheme of the utility model, discharge apparatus can independently set up to can with the accurate butt joint of concrete mixer's discharge opening, applicable in the concrete mixer of different models, be favorable to improving the efficiency of unloading, reduce cost can make the concrete mixer need not to assemble special discharge apparatus simultaneously, is favorable to the concrete mixer to alleviate the dead weight, simplifies the structure.

Description

Discharging device and mixer truck discharging operation system

Technical Field

The utility model relates to a trucd mixer unloading equipment technical field particularly, relates to an unloader and trucd mixer operating system of unloading.

Background

At present, in common concrete mixer trucks, a discharging device capable of moving along with a truck is mostly arranged at a discharging opening of a mixing drum, so that when the mixer truck is used for discharging, concrete materials are received and guided through the discharging device, and the concrete materials are discharged to a target position. The utility model provides a mixer truck, but the afterbody at the churn is equipped with the blowpit that the horizontal hunting and slope set up to enlarge the coverage of blowpit, the blowpit in this scheme still need connect on the automobile body, lead to the whole weight of automobile body to increase, the oil consumption rises, and the blowpit only plays a role at the in-process of unloading, but has taken the great space of automobile body afterbody, produces easily and interferes with other equipment of mixer truck, is unfavorable for the mixer truck to simplify the structure.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to at least one of the problems of the prior art or the related art.

Therefore, the utility model discloses an aim at provides a discharge apparatus.

Another object of the utility model is to provide an agitator truck operating system of unloading.

In order to achieve the above object, the technical solution of the first aspect of the present invention provides a discharging device, including: a base; the discharging mechanism is arranged on the base and used for carrying and guiding materials; and the running system is connected with the base and is used for driving the discharging device to move, wherein the height of the discharging mechanism from the running surface of the running system is adjustable.

According to the utility model discloses an aspect technical scheme, discharge apparatus includes base, shedding mechanism and traveling system. The base is used as a base body of the discharging device and used for installing other equipment, and meanwhile, the whole discharging device is kept balanced. The discharging mechanism is arranged on the base, so that materials are received and guided through the discharging mechanism in the discharging process, the materials are discharged to a target position, and discharging is completed. Through the arrangement of the running system connected with the base, the discharging device is driven to move through the running system, so that the moving range of the discharging device is enlarged, and the discharging device can be actively aligned with a vehicle or other equipment loaded with materials to prevent the materials from being scattered. The height of the discharging mechanism from the running surface of the running system is adjustable, so that the discharging mechanism can be lifted, and the discharging mechanism is suitable for discharging vehicles or equipment with different heights and sizes, and the application range of the discharging device is further expanded. Particularly, when the discharging device is used for concrete discharging operation of the mixer truck, on one hand, the discharging device can be separated from the mixer truck, the self weight of the mixer truck can be reduced, the structure is simplified, and the arrangement of other equipment on the mixer truck is facilitated; on the other hand discharge apparatus can correspond the trucd mixer of multiple model, need not to be equipped with the discharge apparatus of special model to the trucd mixer of different models, and only be equipped with the discharge apparatus in this scheme at the destination of unloading can, need not the vehicle-mounted removal, can effectively improve discharge apparatus's rate of utilization, be favorable to reduce cost.

It is emphasized that the discharge device can be used for concrete materials as well as for other bulk particulate or liquid materials.

It can be understood that the structure that common discharge apparatus adopted the vehicle-mounted setting more, but only use when the operation of unloading, and occupation space is great, takes place to interfere with other equipment on the car easily, still can cause the increase of whole car dead weight, and is comparatively inconvenient.

Additionally, the utility model provides an among the above-mentioned technical scheme discharge apparatus can also have following additional technical characteristics:

in the above technical solution, the base includes: a lower base; the upper base is arranged above the lower base; the first lifting mechanism is connected with the lower base and the upper base and can drive the upper base to ascend or descend relative to the lower base, the discharging mechanism is connected with the upper base, and the traveling system is connected with the lower base.

In the technical scheme, the base comprises a lower base, an upper base and a first lifting mechanism. The upper base is arranged above the lower base, the discharging mechanism is connected with the upper base, and the traveling system is connected with the lower base. The first lifting mechanism is connected with the lower base and the upper base and can drive the upper base to ascend or descend relative to the lower base, so that the unloading mechanism can ascend or descend along with the upper base, the height of the unloading structure from a running surface of a running system is adjusted, and the unloading vehicle or equipment is suitable for unloading vehicles or equipment with different sizes and heights.

In the above technical solution, the first lifting mechanism includes: the sliding rail is fixedly connected to the top of the lower base; one end of the first lifting support is connected with the sliding rail in a sliding mode through a first sliding block, the first lifting support is rotatably connected with the first sliding block, and the other end of the first lifting support is rotatably connected with the upper base; one end of the second lifting support is connected with the sliding rail in a sliding mode through a second sliding block, the second lifting support is rotatably connected with the second sliding block, and the other end of the second lifting support is rotatably connected with the upper base; the transmission screw is arranged along the extending direction of the slide rail, is in threaded connection with the first slide block and the second slide block, has opposite thread turning directions, and drives the first slide block and the second slide block to slide in opposite directions through the rotation of the transmission screw so as to realize the ascending or descending of the upper base; and the driving mechanism is in transmission connection with the transmission screw rod and is used for driving the transmission screw rod to rotate, wherein the first lifting support and the second lifting support are arranged in a crossed manner.

In this technical scheme, first lifting mechanism includes slide rail, first lifting support, second lifting support, drive screw and actuating mechanism. The top of lower base is equipped with the slide rail, is equipped with on the slide rail and follows the gliding first slider of slide rail and second slider. One end of the first lifting support is rotatably connected with the first sliding block, and the other end of the first lifting support is rotatably connected with the upper base; the second lifts the one end and the second slider rotatable coupling of support, and the second lifts the other end and goes up base rotatable coupling of support, and wherein, first support and the second support cross arrangement of lifting to through the relative slip of first slider and second slider on the slide rail, drive first support and the second support rotation of lifting, and then change the contained angle between first support and the second support of lifting, go up the base and rise or descend. Specifically, be provided with drive screw in the extending direction along the slide rail, all be equipped with on first slider and the second slider with drive screw assorted screw thread, and the screw thread of first slider revolves to the opposite with the screw thread of second slider, drive screw simultaneously with first slider and second slider threaded connection, in order to rotate through drive screw, drive first slider and second slider and slide along the slide rail simultaneously, and the opposite direction of first slider and second slider, first slider slides or the reverse slip in opposite directions with the second slider promptly, thereby make first lifting support and second lifting support rotate to opposite direction, the drive goes up the base and rises or descends. The driving mechanism is arranged to be in transmission connection with the transmission screw rod so as to provide power for the transmission screw rod and drive the transmission screw rod to rotate. Optionally, the first lifting support and the second lifting support are both H-shaped structures, and at this time, the two lower support legs of the first lifting support are connected to the same first slider, and the two lower support legs of the second lifting support are connected to the same second slider, so that the two lower support legs of the same lifting support slide synchronously.

It should be noted that, when the first lifting brackets and the second lifting brackets are arranged crosswise, a staggered structure may be adopted to prevent mutual interference.

In the above technical solution, the discharge mechanism includes: the receiving hopper is fixed at the top of the upper base and provided with a feeding hole and a discharging hole; the guide way is connected with the upper base, the feed end of the guide way corresponds to the discharge port, the discharge end of the guide way extends out of one side of the upper base, and the height of the discharge end is lower than that of the feed end, so that the material output by the discharge port can move along the extending direction of the guide way and is unloaded by the discharge end.

In the technical scheme, the discharging structure comprises a receiving hopper and a guide groove. Connect the hopper to be fixed in the top of last base, the top and the bottom that connect the hopper are equipped with feed inlet and discharge gate respectively to accept the material, and carry to the guide way through the discharge gate. Optionally, the material receiving hopper is of a structure with the cross-sectional area gradually reduced from top to bottom, the cross-sectional area of the upper end is large, the area for receiving materials is increased, the cross-sectional area of the lower end is small, and the material collecting hopper is beneficial to material concentration and butt joint with the guide groove. Furthermore, the material receiving hopper adopts an inverted cone frustum structure. The guide groove is connected with the upper base. The feed end of guide way corresponds the setting with the discharge gate that connects the hopper, and the discharge end of guide way stretches out to one side of last base, and the height that highly is less than the feed end of discharge end to make the material get into behind the feed end of guide way, remove to the discharge end along the extending direction of guide way under the effect of gravity, and lift off by the discharge end, accomplish and unload. Optionally, the guide groove may be of a groove-shaped structure as a whole, or may be of a groove-shaped structure at both ends and a cylindrical structure in the middle.

In the above technical solution, the discharging mechanism further includes: the rotary support rod comprises a main body part and a bent part, the main body part is rotatably connected with the upper base along the vertical direction, the bent part is positioned at the top of the rotary support rod and extends towards the feeding end, and the bent part is connected with the guide groove; the rotary gear is sleeved on the main body part and is fixedly connected with the main body part; and an output shaft of the driving motor is in transmission connection with the rotary gear so as to drive the rotary supporting rod to rotate through the rotary gear when the driving motor runs.

In the technical scheme, the discharging mechanism further comprises a rotary supporting rod, a rotary gear and a driving motor so as to drive the guide groove to perform rotary motion. Specifically, the gyration bracing piece includes main part and kink, vertical direction and last base rotatable coupling are followed to the main part, and the kink is located the top of gyration bracing piece, extends towards the feed end through setting up the kink, and the kink is connected with the guide way to when the main part rotates for last base, drive the guide way through the kink and carry out rotary motion, thereby change the orientation of discharge end, make the guide way can unload to the direction of difference, improved discharge apparatus's flexibility. The main body part is sleeved with the rotary gear, and the rotary gear is fixedly connected with the main body part and used for transmission. The output shaft of the driving motor is in transmission connection with the rotary gear, so that power is output through operation of the driving motor, the rotary gear is driven to rotate, and the rotary supporting rod is driven to rotate together. Alternatively, the output shaft of the driving motor and the rotary gear can be in meshing transmission through a worm structure, or in meshing transmission through a gear structure.

In the above technical solution, the bending part is rotatably connected with the guide groove; the discharge mechanism still includes: the first end and the main part of the second lifting mechanism are rotatably connected, the second end of the second lifting mechanism is rotatably connected with the guide groove, and the second end can extend outwards or retract inwards relative to the first end to drive the discharge end of the guide groove to ascend or descend so as to adjust the inclination angle of the guide groove.

In this technical scheme, through setting up kink and guide way rotatable coupling for the guide way can swing in vertical plane. And a second lifting mechanism is arranged for driving the guide groove to swing. Specifically, the first end of the second lifting mechanism is rotatably connected with the main body part, the second end of the second lifting mechanism is rotatably connected with the guide groove, and the second end can extend outwards or retract inwards relative to the first end, so that the guide groove is driven to swing in a vertical plane through relative movement between the first end and the second end, the ground clearance of the discharge end of the guide groove is changed, the inclination angle of the guide groove is adjusted at the same time, the guide groove can swing in the vertical plane while performing rotary motion, the coverage range of the guide groove can be further expanded, and discharging can be performed to target positions with different heights and different directions. Alternatively, the second lifting mechanism may employ a telescopic cylinder or a telescopic cylinder.

In the technical scheme, the receiving hopper bracket is arranged on the upper base, one end of the receiving hopper bracket is fixedly connected with the upper base, and the other end of the receiving hopper bracket is fixedly connected with the receiving hopper; and/or the counterweight is arranged in the lower base; and/or the hoisting structure is arranged on the lower base so as to be connected with the hoisting mechanism through the hoisting structure when the unloading device is hoisted.

In this technical scheme, connect the hopper support through setting up at last base, and connect the both ends of hopper support respectively with connect hopper and last base fixed connection to the butt joint hopper provides the holding power, further improves the stability that connects the hopper. Through set up the counterweight in base down inside to the weight of increase base down makes discharge apparatus's whole focus descend, is favorable to strengthening discharge apparatus's overall stability. Through base setting hoisting structure down to when carrying out hoist and mount operation to discharge apparatus, be connected with hoist and mount mechanism through hoisting structure, it is more firm to connect discharge apparatus in hoist and mount operation. Alternatively, the hoisting structure may be a lifting lug or a lifting hole.

In the above aspect, the traveling system includes: the wheel assembly is connected to the bottom of the base; the driving assembly is in transmission connection with the wheel assembly and drives the wheel assembly to operate so as to realize the movement of the discharging device; and the brake assembly is arranged corresponding to the wheel assembly, can brake the wheel assembly and can lock the wheel assembly in a braking state.

In this solution, the travel system comprises a wheel assembly, a drive assembly and a brake assembly. The bottom of the base is connected with a wheel assembly, so that the discharging device is driven to move through the rotation of wheels. Through setting up drive assembly and wheel subassembly transmission and being connected to provide power to the wheel subassembly, the drive wheel rotates, realizes discharge apparatus's removal by oneself. Furthermore, the discharging device can be also provided with a remote controller which is wirelessly connected with the driving component so as to realize the remote control of the movement of the discharging device. The brake assembly is correspondingly arranged on the wheel assembly to brake the wheel assembly, and meanwhile, the wheel assembly can be locked, so that the discharging device is stable, and the phenomenon of sliding is prevented. It can be understood that when the discharging device is arranged on an inclined road surface, the discharging device can easily slide to a lower position under the action of gravity, potential safety hazards exist, and particularly in the discharging operation process, once the vehicle sliding phenomenon occurs, the discharging device is easy to collide with surrounding personnel or equipment, and can also lead to the spilling of discharged materials, so that the discharging device is not beneficial to safety production.

The utility model discloses an among the second aspect technical scheme provides a trucd mixer operating system of unloading, include: the concrete mixer truck comprises a truck body and a mixing drum, wherein the mixing drum is arranged on the truck body, and a discharge opening is formed in the mixing drum; according to the discharging device in any one of the above technical solutions of the first aspect, the discharging device can move to a position corresponding to the discharging opening, and the concrete material output from the discharging opening is received and guided by the discharging mechanism in the discharging device.

According to the utility model discloses a second aspect technical scheme, the trucd mixer operating system of unloading includes the discharge apparatus of arbitrary in concrete mixer and the above-mentioned first aspect technical scheme. The concrete mixer truck comprises a truck body and a mixing drum, wherein the mixing drum is arranged on the truck body, and a discharge opening is formed in the mixing drum and discharges materials outwards through the discharge opening. During the operation of unloading, discharge apparatus removes to the position that corresponds with the discharge opening, and discharge mechanism among the discharge apparatus rises to the height that corresponds with the discharge opening to accept and lead the concrete material that the discharge opening was unloaded, and unload at the target location, realize accurate the unloading. In the mixer truck unloading operation system, the unloading device and the concrete mixer truck are independently arranged, so that the structure of the concrete mixer truck can be simplified, and the dead weight of the concrete mixer truck is reduced. Simultaneously, the discharging device is movable and adjustable in height, applicable to concrete mixer trucks of different models, and wider in application range. In addition, the mixer truck unloading operation system in this scheme should still have all beneficial effects of the discharge apparatus of any one of the above-mentioned first aspect technical solutions, and is not repeated here.

In the above technical solution, the mixer truck discharging operation system further includes: the detector is arranged on the discharging device and used for detecting the position information of a discharging opening of the concrete mixer; and the controller is electrically connected with the detector and the discharging device so as to control the discharging device to operate according to the position information of the discharging opening detected by the detector, so that the discharging mechanism is aligned with the discharging opening.

In the technical scheme, the detector is arranged on the discharging device to detect the position information of the discharging opening of the mixer truck. Through setting up the controller and being connected with detector and discharge apparatus electricity to receive the positional information that detects of detector, and control discharge apparatus operation according to the positional information of discharge opening, make discharge mechanism and discharge opening self-alignment, be favorable to reducing manual operation, can further improve the accuracy and the efficiency of the operation of unloading. The position information includes, but is not limited to, plane coordinates and height from the ground. Alternatively, the detector may employ an automatic positioning adjustment system, a visual recognition system, or a sensor system to effect detection of the discharge opening position information.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic structural view of a discharge device according to an embodiment of the present invention;

fig. 2 shows a schematic structural view of a discharge device according to an embodiment of the present invention;

fig. 3 shows a schematic structural view of a discharge device according to an embodiment of the present invention;

fig. 4 shows a schematic view of a first lifting mechanism according to an embodiment of the invention;

fig. 5 shows a schematic connection diagram of a first lifting bracket according to an embodiment of the invention;

fig. 6 shows a schematic structural view of a discharge device according to an embodiment of the present invention;

fig. 7 shows an enlarged view of a portion a of fig. 6;

fig. 8 shows a schematic structural view of a discharge device according to an embodiment of the present invention;

fig. 9 shows an enlarged view of a portion B of fig. 8;

fig. 10 shows a schematic view of a travel system according to an embodiment of the invention;

fig. 11 shows a schematic view of a mixer truck discharge operation system according to an embodiment of the present invention;

fig. 12 shows a schematic diagram of a mixer truck discharge operation system according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the components in fig. 1 to 12 is as follows:

1, 11 bases, 111 lower bases, 1111 lifting lugs, 112 upper bases, 1121 hopper receiving supports, 113 first lifting mechanisms, 1131 slide rails, 1132 first lifting supports, 1133 second lifting supports, 1134 first sliding blocks, 1135 second sliding blocks, 1136 transmission screws, 1137 driving mechanisms, 12 discharging mechanisms, 121 hopper receiving, 1211 feed inlet, 1212 discharge outlet, 122 guide grooves, 1221 feed end, 1222 discharge end, 123 rotary supporting rods, 1231 main body part, 1232 bent part, 124 rotary gears, 125 second lifting mechanisms, 1251 first end, 1252 second end, 13 traveling system, 131 wheel assembly, 132 driving assembly, 133 braking assembly, 2 concrete mixer truck, 21 truck body, 22 mixer truck and 221 discharge outlet.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A discharge apparatus and a mixer truck discharge operation system according to some embodiments of the present invention will be described with reference to fig. 1 to 12.

Example one

In the present embodiment, a discharging device 1 is provided, as shown in fig. 1, and includes a base 11, a discharging mechanism 12, and a traveling system 13. The base 11 is provided with a discharging mechanism 12, and the discharging mechanism 12 can carry and guide materials, so that the materials are discharged to a target position, and the materials are prevented from being scattered outwards. The bottom of the base 11 is provided with a running system 13, and the running of the running system 13 drives the discharging device 1 to move, so that the discharging device 1 can adjust the discharging position. In addition, the height of the discharging mechanism 12 from the running surface of the running system 13 can be adjusted, namely the discharging mechanism 12 can be lifted to change the height above the ground, so that the discharging mechanism is suitable for discharging vehicles or discharging equipment with different heights and sizes, and is wide in application range and flexible to use. Particularly, when the discharging device 1 is used for discharging the concrete mixer truck 2, the concrete mixer truck 2 does not need to be provided with a special discharging device, so that the self weight is reduced, and the structure is simplified.

Example two

In the present embodiment, a discharging device 1 is provided, as shown in fig. 2 and 3, and includes a base 11, a discharging mechanism 12, and a traveling system 13. The base 11 includes a lower base 111, an upper base 112 and a first lifting mechanism 113, wherein the upper base 112 is located above the lower base 111, and the first lifting mechanism 113 is respectively connected to the lower base 111 and the upper base 112, so as to drive the upper base 112 to ascend or descend relative to the lower base 111 through the first lifting mechanism 113. The upper base 112 is provided with a discharging mechanism 12, and the discharging mechanism 12 can receive and guide the material, so that the material is discharged to a target position, and the material is prevented from being spilled outwards. The bottom of the lower base 111 is provided with a running system 13, and the running of the running system 13 drives the discharging device 1 to move, so that the discharging device 1 can adjust the discharging position. The discharging mechanism 12 can ascend or descend along with the upper base 112 to adjust the height of the discharging mechanism 12 from the running surface of the running system 13, so as to change the height above the ground, and therefore, the discharging mechanism is suitable for discharging vehicles or discharging equipment with different heights and sizes, and is wide in application range and flexible to use. Particularly, when the discharging device 1 is used for discharging the concrete mixer truck 2, the concrete mixer truck 2 does not need to be provided with a special discharging device, so that the self weight is reduced, and the structure is simplified.

EXAMPLE III

The present embodiment provides a discharging device 1, and a first lifting mechanism 113 is further improved on the basis of the second embodiment. As shown in fig. 4, the first lifting mechanism 113 specifically includes a slide rail 1131, a first lifting support 1132, a second lifting support 1133, a first slider 1134, a second slider 1135, a transmission screw 1136, and a driving mechanism 1137. The slide rail 1131 is fixedly connected to the top of the lower base 111 and extends along the length direction of the lower base 111. The first slider 1134 and the second slider 1135 are slidably connected to the slide rail 1131 and can slide along the extending direction of the slide rail 1131. The first lifting support 1132 and the second lifting support 1133 are both H-shaped structures. As shown in fig. 5, two lower legs of the first lifting support 1132 are rotatably connected to two ends of the first slider 1134 along the width direction of the slide rail 1131, and two upper leg ends of the first lifting support 1132 are correspondingly rotatably connected to the upper base 112; similarly, two lower legs of the second lifting bracket 1133 are respectively rotatably connected to two ends of the second slider 1135 along the width direction of the slide rail 1131, and two upper legs of the second lifting bracket 1133 are correspondingly rotatably connected to the upper base 112. The second lifting supports 1133 and the second lifting supports 1133 are disposed to intersect in the length direction of the slide rails 1131, so that when the first slider 1134 and the second slider 1135 slide toward each other, the first lifting supports 1132 and the second lifting supports 1133 drive the upper base 112 to ascend, and when the first slider 1134 and the second slider 1135 slide in opposite directions, the first lifting supports 1132 and the second lifting supports 1133 drive the upper base 112 to descend. The driving screw 1136 and the driving mechanism 1137 are disposed below the first slider 1134 and the second slider 1135, and the driving mechanism 1137 is in driving connection with the driving screw 1136. The first slider 1134 and the second slider 1135 are respectively provided with a thread which can be engaged with the transmission screw 1136, and the rotation direction of the thread of the first slider 1134 is opposite to the rotation direction of the thread of the second slider 1135, and the first slider 1134 and the second slider 1135 are in threaded connection with the transmission screw 1136, so that the first slider 1134 and the second slider 1135 are driven to slide oppositely or reversely by the rotation of the transmission screw 1136, and further the first lifting support 1132 and the second lifting support 1133 are driven to rotate, thereby realizing the ascending or descending of the upper base 112 relative to the lower base 111, and adjusting the height of the discharging mechanism 12 from the running surface of the running system 13.

It should be noted that the width dimensions of the first lifting support 1132 and the second lifting support 1133 are different so as to be staggered with each other, so as to prevent interference when the first lifting support 1132 and the second lifting support 1133 are arranged crosswise along the length direction of the slide rail 1131. Optionally, the width of the first lifting support 1132 is greater than the width of the second lifting support 1133, or the width of the second lifting support 1133 is greater than the width of the first lifting support 1132. The driving mechanism 1137 and the driving screw 1136 may also be disposed above the first slider 1134 and the second slider 1135 or at other positions.

Example four

In the present embodiment, a discharging device 1 is provided, as shown in fig. 6, and includes a base 11, a discharging mechanism 12, and a traveling system 13. The base 11 includes a lower base 111, an upper base 112 and a first lifting mechanism 113, wherein the upper base 112 is located above the lower base 111, and the first lifting mechanism 113 is respectively connected to the lower base 111 and the upper base 112, so as to drive the upper base 112 to ascend or descend relative to the lower base 111 through the first lifting mechanism 113. The bottom of the lower base 111 is provided with a running system 13, and the running of the running system 13 drives the discharging device 1 to move, so that the discharging device 1 can adjust the discharging position.

The discharging mechanism 12 is disposed on the upper base 112, and the discharging mechanism 12 can receive and guide the material, so that the material is discharged to the target position, and the material is prevented from spilling outwards. Specifically, the discharging mechanism 12 includes a receiving hopper 121, a guide groove 122, a rotary support rod 123, a rotary gear 124, and a driving motor. The receiving hopper 121 is fixed on the top of the upper base 112, a feeding port 1211 is disposed at the top end of the receiving hopper 121, a discharging port 1212 is disposed at the bottom end of the receiving hopper 121, and the cross-sectional area of the receiving hopper 121 is gradually reduced from top to bottom. The upper base 112 is further provided with a support 1121 of the receiving hopper 121, and the support 1121 of the receiving hopper 121 is fixedly connected with the side wall of the receiving hopper 121, so as to improve the stability of the receiving hopper 121. The guide groove 122 is connected with the upper base 112 through the rotary support rod 123, the feeding end 1221 of the guide groove 122 is arranged corresponding to the discharging port 1212 of the receiving hopper 121, the discharging end 1222 of the guide groove 122 extends out to one side of the upper base 112, and the height of the discharging end 1222 is lower than that of the feeding end 1221, so that the guide groove 122 forms an inclination angle, and the material in the guide groove 122 can move from the feeding end 1221 to the discharging end 1222 under the action of gravity. As shown in fig. 7, the rotation support rod 123 includes a main body portion 1231 and a bent portion 1232, the main body portion 1231 is rotatably connected to the upper base 112 along the vertical direction, the bent portion 1232 is located at the top end of the main body portion 1231, and is bent from the main body portion 1231 to the feeding end 1221 of the guide groove 122, and the bent portion 1232 is connected to the guide groove 122. Cup joint on main part 1231, driving motor corresponds the setting with slewing gear 124, and driving motor's output shaft and slewing gear 124 transmission are connected to drive slewing gear 124 and gyration bracing piece 123 rotate, and then drive guide way 122 and rotate, in order to change the orientation of guide way 122.

Further, both sides of lower base 111 along length direction are equipped with lug 1111 respectively to when discharge apparatus 1 need hoist, be connected with hoisting machine through lug 1111.

In the discharging device 1 of this embodiment, the entire discharging mechanism 12 can ascend or descend along with the upper base 112 to adjust the height of the discharging mechanism 12 from the driving surface of the driving system 13, so as to change the height above the ground, and the guide groove 122 can also rotate to change the discharging direction, so that the discharging device is not only applicable to discharging vehicles or discharging equipment with different heights and sizes, but also can discharge materials to different target positions, and has wide application range and flexible use. Particularly, when the discharging device 1 is used for discharging the concrete mixer truck 2, the device can independently run and work together with the concrete mixer truck 2, so that the concrete mixer truck 2 does not need to be provided with a special discharging device, the self weight is reduced, and the structure is simplified.

EXAMPLE five

The embodiment provides a discharging device 1, and further improvement is made on the basis of the fourth embodiment. As shown in fig. 8 and 9, the discharge mechanism 12 further includes a second lifting mechanism 125. Specifically, the bent portion 1232 of the rotation support rod 123 is rotatably connected to the guide groove 122, and the rotation axis is parallel to the driving surface of the driving system 13. The second lifting mechanism 125 is disposed between the guide groove 122 and the upper base 112, a first end 1251 of the second lifting mechanism 125 is rotatably connected to the bottom end of the main body 1231 of the rotation support rod 123, a second end 1252 of the second lifting mechanism 125 is rotatably connected to the guide groove 122, and a rotation axis of the first end 1251 and a rotation axis of the second end 1252 are both disposed parallel to the driving surface of the driving system 13; the second end 1252 can extend outward or retract inward relative to the first end 1251, so as to drive the guide slot 122 to swing in a vertical plane through the relative movement between the second end 1252 and the first end 1251, so that the discharge end 1222 of the guide slot 122 can ascend or descend, and simultaneously change the inclination angle of the guide slot 122, so that the guide slot 122 can be driven by the rotary support rod 123 to horizontally rotate, and can also be driven by the second lifting mechanism 125 to swing in the vertical plane, thereby further enhancing the coverage range of the discharging device 1, and having higher flexibility. Optionally, the second lifting mechanism 125 is a telescopic cylinder or a telescopic cylinder.

Further, both sides of lower base 111 along length direction are equipped with lug 1111 respectively to when discharge apparatus 1 need hoist, be connected with hoisting machine through lug 1111.

EXAMPLE six

The embodiment provides a discharging device 1, and further improvement is made on the basis of the fourth embodiment. As shown in fig. 10, the traveling system 13 includes a wheel assembly 131, a drive assembly 132, and a brake assembly 133. The wheel assembly 131 is connected to the bottom of the lower base 111, and includes four wheels, and is symmetrically disposed on two sides of the lower base 111 along the width direction. The driving assembly 132 is in transmission connection with the wheel assembly 131, so that the driving assembly 132 outputs power to drive the wheels to rotate. Specifically, the four wheels include two driving wheels and two driven wheels, wherein the two driving wheels are in transmission connection with the driving assembly 132, and the braking assemblies 133 are correspondingly arranged on the inner sides of the two driving wheels, and the braking assemblies 133 can brake the driving wheels and lock the driving wheels to prevent the vehicle from slipping. Wherein, two driving wheels or two driven wheels are connected with a steering device.

Further, a counterweight is further arranged inside the lower base 111 to increase the weight of the lower base 111, so that the overall center of the discharging device 1 is lowered, and the stability is improved.

EXAMPLE seven

The embodiment provides a discharging device 1, which comprises a base 11, a discharging mechanism 12 and a running system 13. As shown in fig. 2 and 3, the base 11 includes a lower base 111, an upper base 112, and a first lifting mechanism 113, wherein the upper base 112 is located above the lower base 111, and the first lifting mechanism 113 is respectively connected to the lower base 111 and the upper base 112, so that the upper base 112 is driven to be raised or lowered relative to the lower base 111 by the first lifting mechanism 113. The bottom of the lower base 111 is provided with a running system 13, and the running of the running system 13 drives the discharging device 1 to move, so that the discharging device 1 can adjust the discharging position. The upper base 112 is provided with a discharging mechanism 12, and the discharging mechanism 12 can receive and guide the material, so that the material is discharged to a target position, and the material is prevented from being spilled outwards.

As shown in fig. 4, the first lifting mechanism 113 specifically includes a slide rail 1131, a first lifting support 1132, a second lifting support 1133, a first slider 1134, a second slider 1135, a transmission screw 1136, and a driving mechanism 1137. The slide rail 1131 is fixedly connected to the top of the lower base 111 and extends along the length direction of the lower base 111. The first slider 1134 and the second slider 1135 are slidably connected to the slide rail 1131 and can slide along the extending direction of the slide rail 1131. The first lifting support 1132 and the second lifting support 1133 are both H-shaped structures. As shown in fig. 5, two lower legs of the first lifting support 1132 are rotatably connected to two ends of the first slider 1134 along the width direction of the slide rail 1131, and two upper leg ends of the first lifting support 1132 are correspondingly rotatably connected to the upper base 112; similarly, two lower legs of the second lifting bracket 1133 are respectively rotatably connected to two ends of the second slider 1135 along the width direction of the slide rail 1131, and two upper legs of the second lifting bracket 1133 are correspondingly rotatably connected to the upper base 112. The second lifting supports 1133 and the second lifting supports 1133 are disposed to intersect in the length direction of the slide rails 1131, so that when the first slider 1134 and the second slider 1135 slide toward each other, the first lifting supports 1132 and the second lifting supports 1133 drive the upper base 112 to ascend, and when the first slider 1134 and the second slider 1135 slide in opposite directions, the first lifting supports 1132 and the second lifting supports 1133 drive the upper base 112 to descend. The driving screw 1136 and the driving mechanism 1137 are disposed below the first slider 1134 and the second slider 1135, and the driving mechanism 1137 is in driving connection with the driving screw 1136. The first slider 1134 and the second slider 1135 are respectively provided with a thread which can be engaged with the transmission screw 1136, and the rotation direction of the thread of the first slider 1134 is opposite to the rotation direction of the thread of the second slider 1135, and the first slider 1134 and the second slider 1135 are in threaded connection with the transmission screw 1136, so that the first slider 1134 and the second slider 1135 are driven to slide oppositely or reversely by the rotation of the transmission screw 1136, and further the first lifting support 1132 and the second lifting support 1133 are driven to rotate, thereby realizing the ascending or descending of the upper base 112 relative to the lower base 111, and adjusting the height of the discharging mechanism 12 from the running surface of the running system 13. The width of the first lifting support 1132 is greater than the width of the second lifting support 1133, so as to be staggered with each other, so as to prevent interference when the first lifting support 1132 and the second lifting support 1133 are crosswise arranged along the length direction of the slide rail 1131.

As shown in fig. 8, the discharging mechanism 12 includes a receiving hopper 121, a guide groove 122, a rotary support rod 123, a rotary gear 124, a driving motor, and a second lifting mechanism 125. The receiving hopper 121 is fixed on the top of the upper base 112, a feeding port 1211 is disposed at the top end of the receiving hopper 121, a discharging port 1212 is disposed at the bottom end of the receiving hopper 121, and the cross-sectional area of the receiving hopper 121 is gradually reduced from top to bottom. The upper base 112 is further provided with a support 1121 of the receiving hopper 121, and the support 1121 of the receiving hopper 121 is fixedly connected with the side wall of the receiving hopper 121, so as to improve the stability of the receiving hopper 121. The guide groove 122 is connected with the upper base 112 through the rotary support rod 123, the feeding end 1221 of the guide groove 122 is arranged corresponding to the discharging port 1212 of the receiving hopper 121, the discharging end 1222 of the guide groove 122 extends out to one side of the upper base 112, and the height of the discharging end 1222 is lower than that of the feeding end 1221, so that the guide groove 122 forms an inclination angle, and the material in the guide groove 122 can move from the feeding end 1221 to the discharging end 1222 under the action of gravity. As shown in fig. 9, the rotation support rod 123 includes a main body portion 1231 and a bent portion 1232, the main body portion 1231 is rotatably connected to the upper base 112 along the vertical direction, the bent portion 1232 is located at the top end of the main body portion 1231 and is bent from the main body portion 1231 to the feeding end 1221 of the guide groove 122, the bent portion 1232 is rotatably connected to the guide groove 122, and the rotation axis is parallel to the driving surface of the driving system 13. Cup joint on main part 1231, driving motor corresponds the setting with slewing gear 124, and driving motor's output shaft and slewing gear 124 transmission are connected to drive slewing gear 124 and gyration bracing piece 123 rotate, and then drive guide way 122 and rotate, in order to change the orientation of guide way 122. The second lifting mechanism 125 is disposed between the guide groove 122 and the upper base 112, a first end 1251 of the second lifting mechanism 125 is rotatably connected to the bottom end of the main body 1231 of the rotation support rod 123, a second end 1252 of the second lifting mechanism 125 is rotatably connected to the guide groove 122, and a rotation axis of the first end 1251 and a rotation axis of the second end 1252 are both disposed parallel to the driving surface of the driving system 13; the second end 1252 can extend outward or retract inward relative to the first end 1251, so as to drive the guide slot 122 to swing in a vertical plane through the relative movement between the second end 1252 and the first end 1251, so that the discharge end 1222 of the guide slot 122 can ascend or descend, and simultaneously change the inclination angle of the guide slot 122, so that the guide slot 122 can be driven by the rotary support rod 123 to horizontally rotate, and can also be driven by the second lifting mechanism 125 to swing in the vertical plane, thereby further enhancing the coverage range of the discharging device 1, and having higher flexibility. Optionally, the second lifting mechanism 125 is a telescopic cylinder or a telescopic cylinder.

The lower base 111 is also internally provided with a counterweight to increase the weight of the lower base 111, so that the overall center of the discharging device 1 is lowered, and the stability is improved. The two sides of the lower base 111 along the length direction are respectively provided with lifting lugs 1111 to be connected with a lifting mechanism through the lifting lugs 1111 when the discharging device 1 needs to be lifted.

As shown in fig. 10, the traveling system 13 includes a wheel assembly 131, a drive assembly 132, and a brake assembly 133. The wheel assembly 131 is connected to the bottom of the lower base 111, and includes four wheels, and is symmetrically disposed on two sides of the lower base 111 along the width direction. The driving assembly 132 is in transmission connection with the wheel assembly 131, so that the driving assembly 132 outputs power to drive the wheels to rotate. Specifically, the four wheels include two driving wheels and two driven wheels, wherein the two driving wheels are in transmission connection with the driving assembly 132, and the braking assemblies 133 are correspondingly arranged on the inner sides of the two driving wheels, and the braking assemblies 133 can brake the driving wheels and lock the driving wheels to prevent the vehicle from slipping. Wherein, two driving wheels or two driven wheels are connected with a steering device.

The discharging device 1 in this embodiment can independently run, and the ground clearance and the discharging angle of the discharging mechanism 12 can be adjusted, so that the discharging device is applicable to discharging vehicles or discharging equipment with different heights and sizes, and has wide application range and high flexibility. Especially, when the discharging device 1 is used for discharging the concrete mixer 2, the discharging mechanism 12 can be accurately butted with the discharging opening 221 of the concrete mixer 2, thereby being beneficial to improving the discharging efficiency, and simultaneously, the concrete mixer 2 is not required to be assembled with a special discharging device, thereby being convenient for reducing the dead weight and simplifying the structure.

Example eight

The embodiment provides a mixer truck discharging operation system, as shown in fig. 11, including a concrete mixer truck 2 and the discharging device 1 according to any one of the first to seventh embodiments. The concrete mixer truck 2 comprises a truck body 21 and a mixing drum 22, wherein the mixing drum 22 is arranged on the truck body 21, and the tail part of the mixing drum 22 is provided with a discharge opening 221 and discharges outwards through the discharge opening 221. The discharging device 1 is independent from the mixer truck, the discharging device 1 moves through the running system 13, and when the concrete mixer truck 2 performs the discharging operation, the discharging device 1 moves to the position corresponding to the discharging opening 221. As shown in fig. 12, the discharging mechanism 12 of the discharging device 1 can be raised or lowered to a height corresponding to the discharge opening 221, and receives and guides the concrete material discharged from the discharge opening 221, and discharges the concrete material to a target position, thereby completing the discharging operation. In the mixer truck unloading operation system in this embodiment, the unloading device 1 and the concrete mixer truck 2 are independently arranged, so that the structure of the concrete mixer truck 2 can be simplified, and the self weight of the concrete mixer truck 2 can be reduced. Simultaneously, the discharging device 1 is movable and adjustable in height, applicable to concrete mixer trucks 2 of different models, and wider in application range. In addition, the mixer truck unloading operation system in this scheme should also have all the beneficial effects of the unloading device 1 in any one of the first to seventh embodiments, and details are not repeated herein.

Example nine

The embodiment provides a mixer truck discharging operation system, as shown in fig. 11, including a concrete mixer truck 2, a detector, a controller, and the discharging device 1 according to any one of the first to seventh embodiments. The concrete mixer truck 2 comprises a truck body 21 and a mixing drum 22, wherein the mixing drum 22 is arranged on the truck body 21, and the tail part of the mixing drum 22 is provided with a discharge opening 221 and discharges outwards through the discharge opening 221. The discharging device 1 is independent from the mixer truck, and the discharging device 1 moves through a running system 13 of the discharging device. The detector and the controller are arranged on the discharging device 1, the detector is used for detecting the position information of the discharging opening 221 of the mixing drum 22, and the controller is electrically connected with the detector and the discharging device 1 so as to control the discharging device 1 to operate according to the position information of the discharging opening 221 detected by the detector, so that the discharging mechanism 12 of the discharging device 1 is accurately butted with the discharging opening 221 of the mixing drum 22. The position information includes, but is not limited to, the plane coordinates of the discharge opening 221 and the height from the ground. When the concrete mixer 2 carries out the discharging operation, the controller firstly controls the discharging device 1 to move to the coordinate position corresponding to the discharging opening 221 according to the plane coordinate information of the discharging opening 221, and then controls the discharging mechanism 12 of the discharging device 1 to ascend or descend to the height corresponding to the discharging opening 221 according to the ground clearance information of the discharging opening 221, so that the discharging mechanism 12 can carry and guide the concrete material discharged from the discharging opening 221 and discharge the concrete material to the target position, and the accurate discharging is completed. Alternatively, the detector may employ an automatic positioning adjustment system, a visual recognition system, or a sensor system to achieve detection of the positional information of the discharge opening 221. In the mixer truck unloading operation system in this embodiment, the unloading device 1 and the concrete mixer truck 2 are independently arranged, so that the structure of the concrete mixer truck 2 can be simplified, and the self weight of the concrete mixer truck 2 can be reduced. Simultaneously, the discharging device 1 is movable and adjustable in height, applicable to concrete mixer trucks 2 of different models, and wider in application range. And the automatic detection and butt joint of the position of the discharge opening 221 can be realized, and the accuracy of the discharging operation is further improved. In addition, the mixer truck unloading operation system in this scheme should also have all the beneficial effects of the unloading device 1 in any one of the first to seventh embodiments, and details are not repeated herein.

Above combine the figure to describe in detail the technical scheme of the utility model, discharge apparatus can independent setting to can with the accurate butt joint of discharge opening of concrete mixer, applicable in the concrete mixer of different models, be favorable to improving the efficiency of unloading, reduce cost can make the concrete mixer need not to assemble special discharge apparatus simultaneously, is favorable to the concrete mixer to alleviate the dead weight, simplifies the structure.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A discharge device (1), characterized in that it comprises:

a base (11);

the discharging mechanism (12) is arranged on the base (11) and is used for carrying and guiding materials;

the running system (13), the running system (13) is connected with the base (11) and is used for driving the discharging device (1) to move,

wherein the height of the discharging mechanism (12) from the driving surface of the driving system (13) can be adjusted.

2. The discharge device (1) according to claim 1, wherein said base (11) comprises:

a lower base (111);

an upper base (112) provided above the lower base (111);

a first lifting mechanism (113) connected to the lower base (111) and the upper base (112), wherein the first lifting mechanism (113) can drive the upper base (112) to ascend or descend relative to the lower base (111),

the discharging mechanism (12) is connected with the upper base (112), and the running system (13) is connected with the lower base (111).

3. The discharge device (1) according to claim 2, wherein said first lifting mechanism (113) comprises:

the slide rail (1131) is fixedly connected to the top of the lower base (111);

one end of the first lifting support (1132) is in sliding connection with the sliding rail (1131) through a first slider (1134), the first lifting support (1132) is rotatably connected with the first slider (1134), and the other end of the first lifting support (1132) is rotatably connected with the upper base (112);

one end of the second lifting support (1133) is slidably connected with the slide rail (1131) through a second slide block (1135), the second lifting support (1133) is rotatably connected with the second slide block (1135), and the other end of the second lifting support (1133) is rotatably connected with the upper base (112);

the transmission screw (1136) is arranged along the extending direction of the slide rail (1131), the transmission screw (1136) is in threaded connection with the first slide block (1134) and the second slide block (1135), the thread turning directions of the first slide block (1134) and the second slide block (1135) are opposite, and the first slide block (1134) and the second slide block (1135) are driven to slide in opposite directions by the rotation of the transmission screw (1136), so that the upper base (112) is lifted or lowered;

a driving mechanism (1137) in transmission connection with the transmission screw rod (1136) for driving the transmission screw rod (1136) to rotate,

wherein the first lifting support (1132) and the second lifting support (1133) are arranged in a crossed manner.

4. The discharge device (1) according to claim 2, wherein said discharge mechanism (12) comprises:

the receiving hopper (121) is fixed at the top of the upper base (112), and the receiving hopper (121) is provided with a feeding hole (1211) and a discharging hole (1212);

the guide groove (122) is connected with the upper base (112), a feeding end (1221) of the guide groove (122) is arranged corresponding to the discharging port (1212), a discharging end (1222) of the guide groove (122) extends towards one side of the upper base (112), and the height of the discharging end (1222) is lower than that of the feeding end (1221), so that the material output from the discharging port (1212) can move along the extending direction of the guide groove (122) and be discharged by the discharging end (1222).

5. The discharge device (1) according to claim 4, wherein said discharge mechanism (12) further comprises:

the rotary support rod (123) comprises a main body part (1231) and a bent part (1232), the main body part (1231) is rotatably connected with the upper base (112) along the vertical direction, the bent part (1232) is positioned at the top of the rotary support rod (123) and extends towards the feeding end (1221), and the bent part (1232) is connected with the guide groove (122);

the rotary gear (124) is sleeved on the main body part (1231) and is fixedly connected with the main body part (1231);

and an output shaft of the driving motor is in transmission connection with the rotary gear (124) so as to drive the rotary supporting rod (123) to rotate through the rotary gear (124) when the driving motor runs.

6. The discharge device (1) according to claim 5,

the bending part (1232) is rotatably connected with the guide groove (122);

the discharge mechanism (12) further comprises: a second lifting mechanism (125), wherein a first end (1251) of the second lifting mechanism (125) is rotatably connected to the main body portion (1231), a second end (1252) of the second lifting mechanism (125) is rotatably connected to the guide groove (122), and the second end (1252) can be extended outwards or retracted inwards relative to the first end (1251) to drive a discharge end (1222) of the guide groove (122) to be raised or lowered, so as to adjust the inclination angle of the guide groove (122).

7. The discharge device (1) according to claim 2, further comprising:

the hopper receiving bracket (1121) is arranged on the upper base (112), one end of the hopper receiving bracket (1121) is fixedly connected with the upper base (112), and the other end of the hopper receiving bracket (1121) is fixedly connected with the hopper receiving (121); and/or

The counterweight is arranged inside the lower base (111); and/or

The hoisting structure is arranged on the lower base (111) and is connected with the hoisting mechanism through the hoisting structure when the unloading device (1) is hoisted.

8. The discharge device (1) according to claim 1, wherein said travelling system (13) comprises:

a wheel assembly (131) connected to a bottom of the base (11);

the driving assembly (132) is in transmission connection with the wheel assembly (131), and the driving assembly (132) drives the wheel assembly (131) to operate to realize the movement of the discharging device (1);

and the brake assembly (133) is arranged corresponding to the wheel assembly (131), and the brake assembly (133) can brake the wheel assembly (131) and can lock the wheel assembly (131) in a braking state.

9. The utility model provides a trucd mixer operating system of unloading which characterized in that includes:

the concrete mixer truck (2), the concrete mixer truck (2) comprises a truck body (21) and a mixing drum (22), the mixing drum (22) is arranged on the truck body (21), and a discharge opening (221) is formed in the mixing drum (22);

the discharge device (1) according to any of claims 1 to 8, wherein said discharge device (1) is movable to a position corresponding to said discharge opening (221) and is operable to receive and guide concrete material discharged from said discharge opening (221) by means of a discharge mechanism (12) in the discharge device (1).

10. The mixer truck discharge operation system of claim 9, further comprising:

the detector is arranged on the discharging device (1) and used for detecting the position information of a discharging opening (221) of the concrete mixer truck (2);

a controller electrically connected with the detector and the discharging device (1) to control the discharging device (1) to operate according to the position information of the discharging opening (221) detected by the detector, so that the discharging mechanism (12) is aligned with the discharging opening (221).

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