Background
With the rapid development of economy and the development of social infrastructure in China, the demand of concrete mixer trucks is also increasing dramatically. The existing agitating lorry has the defects that the volume utilization rate is only about 60 percent lower due to the fact that the tank body is not closed; the inclination angle of the axis of the tank body is too large, so that the gravity center height of the whole vehicle is increased; the concrete water evaporates in the transportation process, and the tank body is watered in rainy days, so that the concrete quality is reduced. However, vehicles in the existing market are larger in volume, so that the traffic safety of pedestrians and other vehicles is seriously threatened, the moisture of concrete is easily lost in the road transportation process, the quality of the concrete is deteriorated, and the miniaturization and the sealing of the tank body of the concrete mixer truck are the development trend of the concrete mixer truck along with the stricter and stricter regulations.
Disclosure of Invention
The utility model aims at solving the technical problem and provides a totally closed concrete mixer truck equipment, improves jar body volume utilization ratio.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a totally-enclosed concrete mixer working device comprises an auxiliary frame, a tank body arranged on the auxiliary frame, and a power device, wherein the auxiliary frame comprises a front support and a rear support, the tank body comprises a cylindrical part and a conical part, the bottom of the cylindrical part is connected with the power device on the front support, the conical part is connected with the rear support through a rotary support mechanism, the tank body is horizontally arranged, the rear end of the cylindrical part is provided with a feed inlet, the feed inlet is provided with a sealing cover, the rear end of the sealing cover is hinged with a pin shaft seat at the rear end of the cylindrical part through a sealing cover pin shaft, and the sealing cover is connected with a feed inlet opening; the end opening of the cone cylinder part is provided with a discharge pipe, the inner end of the discharge pipe is provided with a discharge port gate cover plate covering the inner end opening of the discharge pipe, the outer end of the discharge pipe is fixedly connected with a circular cover closing support, the outer side of the cover closing support is provided with a discharge port opening and closing mechanism, and the discharge port gate cover plate is connected with the discharge port opening and closing mechanism.
Adopt above-mentioned technical scheme the utility model discloses compare with prior art, beneficial effect is:
the tank body is horizontally arranged and closed, the utilization rate of the volume of the tank body is improved to 90 percent, the volume of the tank body with the same amount is smaller, and the maximum utilization of the volume of the tank body is realized; in the transportation process, the water loss is greatly reduced, and the quality of concrete is effectively ensured; effectively reduce the volume of the tank body, reduce the height of the center of gravity and improve the safety of the whole vehicle.
Further, the utility model discloses an optimization scheme is:
discharge gate closing mechanism includes the bracing piece, the articulated shaft, discharge opening fixed plate and first electric putter, and the outside of closing the lid support is arranged in to vertical discharge opening fixed plate, and the discharge opening fixed plate is connected through horizontally bracing piece and articulated shaft with closing the lid support, and first electric putter's casing rigid coupling is in the lateral surface of discharge opening fixed plate, and discharge opening fixed plate and closing lid support and discharge gate apron rigid coupling are passed to first electric putter's pole portion, and the lateral surface of discharge gate apron is equipped with sealed the pad.
The feed inlet opening and closing mechanism comprises an opening and closing electric push rod, a first ear seat, a second ear seat, a first pin shaft and a second pin shaft, the first ear seat is welded on the upper portion of the feed inlet cover, the first ear seat is hinged to one end of the opening and closing electric push rod through the first pin shaft, the other end of the opening and closing electric push rod is hinged to the second ear seat through the second pin shaft, and the second ear seat is welded at the rear end of the tank body cylindrical portion.
The device also comprises a washing mechanism, wherein the washing mechanism comprises an inner spray pipe, a first annular pipe, an outer spray pipe, a second annular pipe and a multi-way universal joint, the inner spray pipes penetrate through the cylinder wall of the cone part, a first spray head facing the inner side of the discharge port gate cover plate is arranged at the inner ends of the inner spray pipes, and the outer ends of the inner spray pipes are communicated with the first annular pipe; a plurality of outer spray pipes pass through the discharging pipe, the inner ends of the outer spray pipes are provided with second spray heads facing the outer side of the gate cover plate of the discharging port, the outer ends of the outer spray pipes are communicated with a second annular pipe, the first annular pipe and the second annular pipe are respectively communicated with a plurality of universal joints through hoses, and the plurality of universal joints are communicated with the water pump.
The feeding hopper is arranged above the feeding opening and connected with the turnover mechanism, the turnover mechanism comprises a fixed seat, a turnover support, a hopper support, a second electric push rod, a third lug seat and a fourth lug seat, the turnover support and the hopper support are H-shaped, one end of the hopper support is fixedly connected with the feeding hopper, the other end of the hopper support is hinged with the upper end of the turnover support, the lower end of the turnover support is hinged with the fixed seat, the fixed seat is arranged on the annular frame, and two ends of the bottom of the annular frame are fixedly connected with two ends of the front support; the both sides of upset support are equipped with the third ear seat respectively, and the both sides of hopper support are equipped with the fourth ear seat respectively, and second electric putter's one end is articulated with the third ear seat, and second electric putter's the other end is articulated with the base, and third electric putter's one end is articulated with the third ear seat, and third electric putter's the other end is articulated with the fourth ear seat.
Detailed Description
The present invention will be further described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, the utility model relates to a totally-enclosed concrete mixer truck working device, which comprises an auxiliary frame, a tank body 5, a power device, a charging opening switching mechanism, a discharging opening switching mechanism, a charging hopper 26, a turnover mechanism, a flushing mechanism and the like. The auxiliary frame, the power device and the tank body 5 form a mechanical structure framework and a functional attachment carrier of the concrete mixer truck. The subframe is a welded member, and is composed of a front bracket 3, a sub beam 4, a rear bracket 6, and the like, the sub beam 4 is horizontally disposed and is used for being connected with a chassis of a transport vehicle, the front bracket 3 and the rear bracket 6 are welded to the upper portions of the front and rear ends of the sub beam 4, respectively, and the rear bracket 6 is V-shaped. Jar body 5 is installed on sub vehicle frame, and jar body 5 level sets up or the angle is less arranges, reduces jar body 5's focus by a wide margin, reduces jar body 5's height, and jar body 5 is encapsulated situation in the transportation, increases substantially jar body 5 volume utilization, and the same square volume jar body 5's volume can be done littleer.
A material guide helical blade is arranged in the tank body 5, the tank body 5 is composed of a cylindrical part 5-1, a conical cylindrical part 5-2 and the like, the bottom of the cylindrical part 5-1 is connected with an output shaft of a speed reducer 2 of the power device, the speed reducer 2 is driven by a hydraulic motor 1, and the hydraulic motor 1 and the speed reducer 2 are installed on a front support 3. The cone cylinder part 5-2 is connected with the rear support 6 through a rotary supporting mechanism, the rotary supporting mechanism is composed of a rotary steel ring 21, supporting wheels 28 and the like, the rotary steel ring 21 is welded in the middle of the cone cylinder part 5-2, the two supporting wheels 28 are respectively installed on two sides of the upper end of the rear support 6, the rotary steel ring 21 is arranged on the supporting wheels 28, and the hydraulic motor 1 and the speed reducer 2 drive the tank body 5 to rotate. Aiming at the electric chassis, the hydraulic motor 1 is replaced by an electric motor, a permanent magnet synchronous motor is used as a rotary power source, and the hydraulic motor is matched with a pure electric chassis vehicle to achieve the purposes of energy conservation and consumption reduction.
The rear end of the cylindrical part 5-1 of the tank body 5 is provided with a feeding hole, a feeding port 27-1 is welded on the feeding hole, the feeding port 27-1 is a circular tube or a rectangular tube, a feeding port sealing cover 27 covers the feeding port 27-1, a sealing gasket is arranged on the bottom surface of the feeding port sealing cover 27, and the feeding port sealing cover 27 is circular or rectangular. The rear end of the charging opening sealing cover 27 is welded with a transverse sealing cover pin shaft 27-3, the sealing cover pin shaft 27-3 is hinged with a pin shaft seat 27-2, and the pin shaft seat 27-2 is welded at the rear end of the cylindrical part 5-1. The charging opening sealing cover 27 is connected with the charging opening and closing mechanism, the charging opening and closing mechanism comprises an opening and closing electric push rod 25, a first lug seat 25-1, a first pin shaft 25-2, a second lug seat 25-3, a second pin shaft 25-4 and the like, the first lug seat 25-1 is welded on the upper part of the charging opening cover 27, the first lug seat 25-1 is hinged with one end of the opening and closing electric push rod 25 through the first pin shaft 25-2, the other end of the opening and closing electric push rod 25 is hinged with the second lug seat 25-3 through the second pin shaft 25-4, and the second lug seat 25-3 is welded at the rear end of the cylindrical part 5-1 of the tank body 5. Open and close electric putter 25 opens charge door sealed lid 27 during reinforced, and the charge door is closed to charge door sealed lid 27 after reinforced completion, and the jar body 5 of being convenient for is sealed and is transported and seal, and open and close electric putter 25 can be replaced with hydraulic cylinder.
A discharge pipe 7-1 is welded at the port of the conical barrel part 5-2 of the tank body 5, a discharge port gate cover plate 7 covering the inner port of the discharge pipe 7-1 is arranged at the inner end of the discharge pipe 7-1, and a cover plate sealing gasket 8 is arranged on the outer side surface of the discharge port gate cover plate 7. The outer end of the discharge pipe 7-1 is welded with a circular cover closing support 17, the outer side surface of the cover closing support 17 is welded with a circular discharge opening 16, the inner circumferential surface of the discharge opening 16 is conical, and a discharge hopper 10 is arranged below the discharge opening 16. Close the outside of covering support 17 and be equipped with discharge gate operating mechanism, discharge gate operating mechanism is by bracing piece 15, articulated shaft 18, discharge opening fixed plate 14 and first electric putter 9 etc. constitute, discharge opening fixed plate 14 is arranged in the outside of closing covering support 17, the vertical setting of discharge opening fixed plate 14, it is circular, it is connected through three horizontally bracing pieces 15 and an articulated shaft 18 with closing covering support 17, three bracing pieces 15 and an articulated shaft 18 equipartition are in the circumference of discharge opening fixed plate 14, three bracing pieces 15 pass through threaded connection with discharge opening fixed plate 14 and close covering support 17 respectively, articulated shaft 18 is connected with discharge opening fixed plate 14 and close covering support 17 articulated respectively, make things convenient for the dismantlement maintenance of discharge opening fixed frame 14, only need dismantle three bracing pieces of bracing piece 15 during the maintenance, it rotates discharge opening fixed plate 14 to overhaul suitable position around articulated shaft 18. The shell of the first electric push rod 9 is hinged with an electric push rod support 9-1, the electric push rod support 9-1 is installed on the outer side face of the discharge opening fixing plate 14, the rod part of the first electric push rod 9 penetrates through the discharge opening fixing plate 14 and the cover closing support 17 to be fixedly connected with the discharge opening gate cover plate 7, and the first electric push rod 9 controls the opening and closing of the discharge opening gate cover plate 7. The discharge port opening and closing mechanism adopts an electric opening and closing mechanism, is closed in the transportation process, and is convenient for the sealing and the transferring sealing of the tank body 5. The first electric push rod 9 is powered by a detachable lithium battery 11, and the detachable lithium battery 11 is mounted on the discharge opening fixing plate 14, so that the construction is guaranteed to be used and prepared without delay. The lithium battery 11 and the electric appliance connecting line rotate together with the tank body 5, so that the problem of electrical physical connection of the rotary tank body is solved, the standby battery is convenient to replace, and the construction operation efficiency is improved.
A feeding hopper 26 is arranged above the feeding port 27-1, the feeding hopper 26 is connected with a turnover mechanism, and the turnover mechanism comprises a fixed seat 22-1, a turnover support 22-2, a second electric push rod 22, a third electric push rod 23, a third lug seat 22-3, a hopper support 24, a fourth lug seat 24-1 and the like. The turning support 22-2 and the hopper support 24 are H-shaped, the front end of the hopper support 24 is welded with the feeding hopper 26, the rear end of the hopper support 24 is hinged with the upper end of the turning support 22-2, the lower end of the turning support 22-2 is hinged with the fixed seat 22-1, the two fixed seats 22-1 are welded on the annular frame 6-1, and two ends of the bottom of the annular frame 6-1 are fixedly connected with two ends of the front support 6. The two sides of the overturning bracket 22-2 are respectively welded with a third lug seat 22-3, the two sides of the hopper bracket 24 are respectively provided with a fourth lug seat 24-1, one end of a second electric push rod 22 is hinged with the third lug seat 22-3, the other end of the second electric push rod 22 is hinged with a fixed seat 22-1, one end of a third electric push rod 23 is hinged with the third lug seat 22-3, and the other end of the third electric push rod 23 is hinged with the fourth lug seat 24-1. In a transportation state, the hopper 26 is tilted by about 180 degrees towards the tail direction of the vehicle under the action of the overturning bracket 22-2, the second electric push rod 22, the third electric push rod 23 and the hopper bracket 24, and the hopper 26 is horizontally inverted, so that the hopper 26 is not overhigh and is folded. The annular frame 6-1 forms an enclosure for the tank body 5, so that the tank body 5 cannot fall off even in fault states such as tail flicking of a sharply-turned tank body and the like, and serious safety accidents are avoided.
The tank body 5 is provided with a washing mechanism, the washing mechanism comprises an inner spray pipe 20, a first annular pipe 20-1, an outer spray pipe 19-1, a second annular pipe 19, a universal joint 12 and the like, the inner spray pipes 20 penetrate through the wall of the cone-shaped cylinder part 5-2, a first spray head (shown in the figure) facing the inner side of the discharge port gate cover plate 7 is installed at the inner end of each inner spray pipe 20, and the outer end of each inner spray pipe 20 is communicated with the first annular pipe 20-1. The plurality of outer spray pipes 19-1 penetrate through the discharge pipe 7-1, a second spray head (shown in the figure) facing the outer side of the discharge port gate cover plate 7 is installed at the inner ends of the outer spray pipes 19-1, the outer ends of the outer spray pipes 19-1 are communicated with a second annular pipe 19, the first annular pipe 20-1 and the second annular pipe 19 are communicated with a multi-way universal joint 12 through hoses respectively, the multi-way universal joint 12 is communicated with a water pump, the multi-way universal joint 12 is installed on a joint installation rod 13, the universal joint 12 rotates around the joint installation rod 13, and the joint installation rod 13 is installed on the outer end face of the first electric push rod 9. High-pressure clean water is conveyed to the inner spray pipe 20 and the outer spray pipe 19-1 through the waterway universal joint 12, the inner spray pipe 20 and the outer spray pipe 19-1 can be independently controlled to be switched on and switched off, and corresponding parts can be cleaned according to different conditions. Feed inlet, discharge gate design water spray wash mechanism improves the cleanliness factor of jar body sealing department, is favorable to sealed tightness.
The working process of the embodiment is as follows: during feeding, the discharge port gate cover plate 7 and the cover plate sealing gasket 8 are closed, the feeding port 27-1 on the tank body 5 is rotated to the position above the tank body 5, the opening and closing electric push rod 25 is controlled to open the feeding port sealing cover 27, the feeding hopper 26 is overturned 180 degrees towards the direction of the vehicle head under the action of the overturning support 22-2, the second electric push rod 22, the third electric push rod 23 and the hopper support 24, the feeding hopper 26 is aligned with the feeding port 27-1, concrete can be fed, the feeding port sealing cover 27 is washed clean by clear water after the concrete is fed, the opening and closing electric push rod 25 is controlled to close the feeding port sealing cover 27 around the second pin shaft 25-4, then the feeding hopper 26 is overturned 180 degrees under the action of the support 22-2, the second electric push rod 22, the third electric push rod 23 and the hopper support 24 to be reliably fixed in the direction of the vehicle. When in unloading, the first electric push rod 9 is extended out according to the requirement, the gate cover plate 7 of the discharge port is opened for a certain gap, and the concrete smoothly flows to the discharge hopper 10 from the discharge pipe 7-1 and the discharge port 16 of the tank body 5 for unloading; and after the discharging is finished or is suspended, the first electric push rod 9 retracts, the discharge port gate cover plate 7 is closed, and then the outer spray pipe 19-1 or the inner spray pipe 20 is opened according to the condition to clean residual slurry on the discharge port gate cover plate 7 and the cover plate sealing gasket 8, so that the concrete slurry is prevented from being solidified and hung.
The utility model discloses a totally closed design under jar body transportation state, charge door and discharge opening separation design have both realized that big volume utilization ratio is reinforced, have realized the electric control that discharge gate cover plate opened and shut again, have realized the volumetric maximize utilization of jar body, effectively reduce jar body volume, reduce the focus height from on the other hand, improve whole car security. The utility model discloses can also locate to install weighing sensor at fore-stock, after-poppet, constantly monitor jar body total weight, make the reasonable control concrete loading capacity of operating personnel. The opening and closing cover of the charging opening and the opening and closing cover of the discharging opening adopt wired control or wireless remote control.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.