CN210502454U - Rocker arm type forward-extending top cover muck truck - Google Patents
Rocker arm type forward-extending top cover muck truck Download PDFInfo
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- CN210502454U CN210502454U CN201920647598.1U CN201920647598U CN210502454U CN 210502454 U CN210502454 U CN 210502454U CN 201920647598 U CN201920647598 U CN 201920647598U CN 210502454 U CN210502454 U CN 210502454U
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Abstract
The utility model discloses a rocker arm type front extension top cover muck truck, which comprises a self-discharging truck chassis, an auxiliary frame, a carriage, a top cover, a rear door, a carriage hydraulic lifting system, a top cover lifting swing arm assembly and a top cover hydraulic lifting system; the device is characterized in that the lower end of a swing arm is connected with a welded support pin fixing sleeve device on a carriage bottom plate through a welded swing arm fixing sleeve device in advance in a positioning mode through a swing arm lower support pin, the upper end of the swing arm is connected with a welded support pin fixing sleeve device on a carriage top cover through a non-welded swing arm fixing sleeve device in advance in a pre-assembling mode through a swing arm upper support pin, then a top cover lifting swing arm assembly is controlled through a top cover hydraulic lifting system to lift a top cover in place, then the lateral gaps between the top cover lifting swing arm assemblies on the two sides of a carriage and the carriage are adjusted, and the non-welded swing arm fixing sleeve device is welded firmly after the gaps between the top cover lifting swing arm assemblies and the carriage are kept consistent, so that the problem of friction interference between the swing arm and a box body in the transportation operation.
Description
Technical Field
The utility model relates to a dregs car belongs to the special automobile field, and specific saying so relates to a top cap dregs car is stretched forward to rocking arm formula.
Background
The muck trucks in the current market mainly comprise front and rear horizontal pushing folding type aluminum alloy top cover muck trucks, front and rear horizontal pushing folding type tarpaulin top cover muck trucks, wingspan type two-side opening top cover muck trucks, rocker arm type top cover forward-extending muck dump trucks and conventional uncovered muck trucks.
The rocker arm type forward extending top cover slag car has the advantages of light volume, attractive appearance, less dust emission in the transportation process and the like, and becomes the target of competitive development and development of various large manufacturers at present, and the existing rocker arm type forward extending top cover slag cars on the market generally have the following defects in practical application: (1) the distance between the left gap and the right gap of the rocker arm and the box body is inconsistent, so that the problem of friction interference caused by small lateral gap between the rocker arm and the box body is easily caused in the transportation operation; (2) the periphery of the box body is not tightly sealed, and the risk of spilling is easy to occur in the transportation process.
SUMMERY OF THE UTILITY MODEL
To the background art, an object of the utility model is to provide a can effectively improve the friction interference problem that produces and leak the rocking arm formula protraction top cap dregs car that spills the problem because of appearing swing arm and box side direction clearance in the transportation operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rocker arm type front-extending top cover muck truck comprises a dumper chassis, an auxiliary frame, a carriage, a top cover, a rear door, a carriage hydraulic lifting system, a top cover lifting swing arm assembly and a top cover hydraulic lifting system;
the auxiliary frame is assembled on the chassis of the dumper, the carriage is assembled on the auxiliary frame, the top cover is assembled at the top of the carriage, and the rear door is assembled at the rear side of the carriage; the carriage hydraulic lifting system is assembled at the front side of the carriage, the top cover lifting swing arm assembly and the top cover hydraulic lifting system are symmetrically assembled at the left side and the right side of the carriage,
the front side of the carriage is hinged with the front side of the auxiliary frame through a carriage hydraulic lifting system, and the rear side of the carriage is hinged with the rear side of the auxiliary frame through a rotating shaft;
the upper end of the top cover lifting swing arm assembly is hinged with an upper swing arm fixing and supporting device arranged on a top cover longitudinal beam of the top cover through an upper swing arm support pin, and the lower end of the top cover lifting swing arm assembly is hinged with a lower swing arm fixing and supporting device arranged on a bottom frame side cross beam of the carriage through a lower swing arm support pin;
the upper end of the top cover hydraulic lifting system is connected with an oil cylinder support on the top cover lifting swing arm assembly through an upper lifting support pin, and the lower end of the top cover hydraulic lifting system is connected with a lower swing arm fixing and supporting device arranged on a chassis crossbeam of the carriage through a lower lifting support pin;
the hydraulic lifting system of the carriage and the hydraulic lifting system of the top cover are respectively communicated with a power take-off linkage hydraulic oil pump of a chassis of the dump truck through hydraulic oil pipes, the power take-off linkage hydraulic oil pump of the chassis of the dump truck is communicated with a hydraulic oil tank of the chassis of the dump truck through the hydraulic oil pipes, and the power take-off linkage hydraulic oil pump of the chassis of the dump truck and the hydraulic oil tank of the chassis of the dump truck are both positioned at the front side of the carriage and are fixed on the chassis of the dump truck through a.
In the technical scheme, the dumper chassis is a pure electric dumper chassis.
In the technical scheme, the carriage hydraulic lifting system comprises a carriage front lifting oil cylinder, a pneumatic control reversing valve and a pneumatic control manual valve;
the front lifting oil cylinder of the carriage is vertically arranged at the front end of the carriage, the upper end of the front lifting oil cylinder of the carriage is connected with the front side plate of the carriage through an upper fixed support of the front lifting oil cylinder of the carriage, and the lower end of the front lifting oil cylinder of the carriage is connected with the auxiliary frame through a lower fixed support of the front lifting oil cylinder of the carriage;
the air control reversing valve and the air control manual control valve are fixed on the auxiliary frame, an oil outlet A of the air control reversing valve is communicated with an oil inlet and an oil outlet of a lifting oil cylinder in front of the carriage through a hydraulic oil pipe, an oil inlet P of the air control reversing valve is communicated with a power taking linkage hydraulic oil pump of a dumper chassis through a hydraulic oil pipe, an oil return port T of the air control reversing valve is communicated with a hydraulic oil tank of the dumper chassis through a hydraulic oil pipe, an air inlet of the air control reversing valve is communicated with an air outlet A of the air control manual control valve through an air pipe, an air outlet of the air control reversing valve is communicated with an air return port B of the air control manual control valve through an air pipe, an air inlet P of the air control manual control valve is communicated with an air storage tank through an.
In the technical scheme, the top cover lifting swing arm assembly comprises two top cover lifting swing arm main beams symmetrically arranged on the left side and the right side of the carriage and two top cover lifting swing arm support rods symmetrically arranged on the left side and the right side of the carriage;
the upper ends of the top cover lifting swing arm main beams and the top cover lifting swing arm support rods are respectively connected with an upper swing arm connecting device;
the lower ends of the top cover lifting swing arm main beam and the top cover lifting swing arm support rod are respectively connected with a lower swing arm connecting device;
each top cover lifting swing arm main beam is also connected with an oil cylinder support;
a top cover lifting swing arm support rod limiting device is arranged below each top cover lifting swing arm support rod;
the upper ends of the top cover lifting swing arm main beams and the top cover lifting swing arm support rods are respectively connected with an upper swing arm connecting device, are matched and correspond to an upper swing arm fixing and supporting device arranged on the top cover longitudinal beam at the same side, and are hinged together through upper swing arm support pins;
the lower ends of the top cover lifting swing arm main beams and the top cover lifting swing arm support rods are matched and correspond to lower swing arm fixing and supporting devices which are arranged on the side cross beam of the carriage chassis at the same side through lower swing arm connecting devices which are respectively connected with the top cover lifting swing arm main beams and the top cover lifting swing arm support rods, and are hinged together through lower swing arm support pins;
each top cover lifting swing arm main beam is also correspondingly connected with a top cover lifting oil cylinder in the top cover hydraulic lifting system through an oil cylinder support connected with the top cover lifting swing arm main beam;
when the top cover is in a closed state, the top cover lifting swing arm assembly is supported on a box body side plate of the carriage in a limiting mode through the top cover lifting swing arm support rod limiting device.
In the above technical solution, each upper swing arm connecting device comprises an upper swing arm fixing sleeve and two upper swing arm fixing sleeve reinforcing plates; the upper fixed sleeve of the swing arm in each upper swing arm connecting device is arranged in a waist hole formed at the upper end of the top cover lifting swing arm main beam or the top cover lifting swing arm brace rod corresponding to the upper fixed sleeve; two swing arm upper fixing sleeve reinforcing plates in each upper swing arm connecting device are sleeved on the corresponding swing arm upper fixing sleeves and are respectively arranged on two sides of a waist hole formed in the upper end of a top cover lifting swing arm main beam or a top cover lifting swing arm support rod corresponding to the two swing arm upper fixing sleeve reinforcing plates;
each upper swing arm fixing and supporting device comprises a swing arm upper supporting pin fixing sleeve and two swing arm upper supporting pin fixing sleeve reinforcing plates; the upper swing arm support pin fixing sleeve in each upper swing arm fixing and supporting device is arranged on the top cover longitudinal beam corresponding to the upper swing arm fixing and supporting device in a penetrating manner; two swing arm upper pin fixing sleeve reinforcing plates in each upper swing arm fixing and supporting device are sleeved on the corresponding swing arm upper pin fixing sleeves and are respectively arranged on two sides of the corresponding top cover longitudinal beam;
the swing arm upper fixing sleeve in each upper swing arm connecting device is correspondingly hinged with the swing arm upper supporting pin fixing sleeve in the upper swing arm fixing and supporting device through an upper swing arm supporting pin;
each lower swing arm connecting device comprises a swing arm lower fixing sleeve and two swing arm lower fixing sleeve reinforcing plates; the lower swing arm fixing sleeve in each lower swing arm connecting device is arranged in a circular hole formed at the lower end of the top cover lifting swing arm main beam or the top cover lifting swing arm support rod corresponding to the lower swing arm connecting device in a penetrating manner; two swing arm lower fixing sleeve reinforcing plates in each lower swing arm connecting device are sleeved on the corresponding swing arm lower fixing sleeves and are respectively arranged on two sides of a circular hole arranged at the lower end of a top cover lifting swing arm main beam or a top cover lifting swing arm support rod corresponding to the swing arm lower fixing sleeve reinforcing plates;
each lower swing arm fixing and supporting device comprises a swing arm lower support pin fixing sleeve and a swing arm lower support pin fixing seat; the swing arm lower support pin fixing sleeve in each lower swing arm fixing and supporting device is arranged in the corresponding swing arm lower support pin fixing seat in a penetrating manner; the swing arm lower support pin fixing seats in each lower swing arm fixing and supporting device are correspondingly clamped in the side cross beams of the two carriage underframe corresponding to the swing arm lower support pin fixing seats;
the swing arm lower fixing sleeve in each lower swing arm connecting device is correspondingly hinged with the swing arm lower support pin fixing sleeve in the lower swing arm fixing and supporting device through a lower swing arm support pin;
every top cap lifting swing arm vaulting pole stop device all contains a top cap lifting swing arm vaulting pole spacing seat and strengthens backing plate, a top cap lifting swing arm vaulting pole spacing seat and a blotter, the spacing seat of top cap lifting swing arm vaulting pole is strengthened the backing plate seam and is fixed on the box curb plate in carriage, the spacing seat seam of top cap lifting swing arm vaulting pole is fixed on top cap lifting swing arm vaulting pole spacing seat strengthens the backing plate the blotter is in through the bolt-up the spacing seat of top cap lifting swing arm vaulting pole is served to top cap lifting swing arm vaulting pole.
In the technical scheme, a slotted nut and a gasket are sleeved at one end of each upper swing arm support pin connected with the upper swing arm fixing and supporting device and one end of each lower swing arm support pin connected with the lower swing arm fixing and supporting device;
each upper swing arm support pin is tightly attached to and clamped with a corresponding upper swing arm support pin fixing sleeve in the upper swing arm fixing and supporting device through a slotted nut and a gasket;
and each lower swing arm support pin is tightly attached to and clamped with a swing arm lower support pin fixing sleeve in the corresponding lower swing arm fixing and supporting device through a slotted nut and a gasket.
In the technical scheme, the top cover hydraulic lifting system comprises two top cover lifting oil cylinders, a tubular bidirectional balance valve, a pneumatic control manual control multi-way reversing valve and a pneumatic control electric control valve;
the two top cover lifting oil cylinders are obliquely and symmetrically arranged on the left side and the right side of the carriage, the upper end of each top cover lifting oil cylinder is correspondingly connected with a top cover lifting swing arm main beam arranged on the same side through an upper lifting support, and the lower end of each top cover lifting oil cylinder is correspondingly connected with a lower swing arm fixing and supporting device arranged on a side cross beam of the carriage chassis on the same side through a lower lifting support;
the tubular bidirectional balance valve, the pneumatic control manual control multi-way reversing valve and the pneumatic control electric control valve are all arranged on the auxiliary frame; the oil inlet and outlet ports of the two top cover lifting oil cylinders are respectively communicated with two oil outlets of a tubular bidirectional balance valve through a hydraulic oil pipe and a tee joint, two oil inlets of the tubular bidirectional balance valve are respectively communicated with an oil outlet A and an oil outlet B of a pneumatic control manual control multi-way reversing valve correspondingly, an oil inlet P of the pneumatic control manual control multi-way reversing valve is communicated with a dumper chassis power taking linkage hydraulic oil pump through the hydraulic oil pipe, an oil return port T is communicated with a dumper chassis hydraulic oil tank through the hydraulic oil pipe, an air inlet is communicated with an air outlet A of the pneumatic control electric control valve through an air pipe correspondingly, an air outlet is communicated with an air return port B of the electric control valve through an air pipe correspondingly, and the air inlet P of the electric control valve is communicated with; the pneumatic control electric control valve is also correspondingly electrically connected with a 24V switch power supply arranged on the chassis of the dumper.
In the technical scheme, sealing strips are additionally arranged on the periphery of the top cover and the periphery of the rear door; the periphery of the top cover and the periphery of the rear door are connected with the carriage in a sealing mode through sealing strips.
In the technical scheme, the left side and the right side of the carriage are respectively provided with a plurality of box body hoisting rings.
In the technical scheme, the left rear side or the right rear side of the carriage is also provided with the box body folding ladder stand.
In the technical scheme, the top of the front side of the carriage is also provided with a awning accessory.
Compared with the prior art, the utility model discloses an advantage and beneficial effect are:
(1) the upper and lower support pins of the connecting swing arm do not rotate and the opening and closing of the top cover are completed only by the movement of the swing arm through a special slotted nut and washer attaching and fastening design principle;
(2) the pin shaft fixing sleeve and the swing arm fixing sleeve which are designed to be lengthened are connected with the swing arm pin shaft which is designed to be thickened, so that the clearance fit between the upper and lower support pins of the swing arm and the pin shaft as well as the swing arm fixing sleeve is effectively reduced, the space for supporting the top cover to shake left and right during the movement of the swing arm is effectively reduced, the clearance distance between the swing arm and the carriage box body is stably controlled, and the stability during the opening and closing of the top cover of the box body is ensured;
(3) the novel rocker arm type top cover swing arm fixing mode is adopted, so that the problem of friction interference caused by small lateral clearance between the swing arm and the box body in the transportation operation is effectively solved;
(4) through install the sealing strip additional at top cap periphery and back door periphery, through sealing strip and carriage box body sealing contact, the effectual hourglass that prevents in the transportation spills the problem.
The utility model discloses an innovation point lies in: the lower end of a swing arm is connected with a lower swing arm lower support pin for a lower support pin fixing sleeve device welded on a carriage bottom plate through a lower swing arm fixing sleeve device welded firmly in advance, the upper end of the swing arm is connected with an upper swing arm support pin for an upper support pin fixing sleeve device welded firmly on a carriage top cover through an upper swing arm fixing sleeve device not welded in advance in a pre-assembling manner, then a top cover lifting swing arm assembly is controlled by a top cover hydraulic lifting system to lift the top cover to the front side of the carriage in place, then the lateral gaps between the top cover lifting swing arm assemblies positioned on the left side and the right side of the carriage and the carriage are adjusted, after the gaps between the top cover lifting swing arm assemblies and the carriage are kept consistent, the upper swing arm fixing sleeve device movably penetrating in a waist hole at the upper end of the swing arm in advance and not welded is welded firmly, and the problem of friction interference caused by small lateral gaps between the swing arm and.
Drawings
FIG. 1 is a right side schematic view of a rocker arm type forwardly extending roof muck truck of the present invention;
FIG. 2 is a left side schematic view of the rocker arm type forwardly extending roof muck truck of the present invention;
FIG. 3 is a right side schematic view of a carriage in the rocker arm type forwardly extending roof muck truck of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a cross-sectional view taken at C-C of FIG. 3;
FIG. 7 is a cross-sectional view taken along line D-D of FIG. 3;
FIG. 8 is an enlarged view of the node K of FIG. 4;
FIG. 9 is an enlarged view of node L of FIG. 5;
FIG. 10 is an enlarged view of node M of FIG. 6;
FIG. 11 is an enlarged view of the node N of FIG. 7;
FIG. 12 is a bottom schematic view of the underframe of the car of FIG. 1;
FIG. 13 is an enlarged view of the P node of FIG. 12;
FIG. 14 is a schematic view of the right side of the underframe of the car of FIG. 1;
FIG. 15 is a top view of the overcap of FIG. 1;
FIG. 16 is a sectional view taken along line H-H in FIG. 15;
FIG. 17 is an enlarged view of node T of FIG. 15;
FIG. 18 is a schematic structural view of the main beam of the roof lifting swing arm of FIG. 2;
FIG. 19 is a cross-sectional view E-E of FIG. 18;
FIG. 20 is a cross-sectional view F-F of FIG. 18;
FIG. 21 is a schematic view of the roof lifting swing arm brace of FIG. 1;
FIG. 22 is a sectional view taken along line G-G in FIG. 21;
FIG. 23 is a schematic view of the working principle of the hydraulic car lifting system and the hydraulic car lifting system;
in the figure: 1. a dumper chassis; 2. an auxiliary frame; 3. a carriage; 3.1, a bottom frame; 3.2, side beams of the underframe; 4. a top cover; 4.1, roof longitudinal beams; 5. a rear door; 6. a carriage hydraulic lifting system; 6.1, lifting an oil cylinder in front of the carriage; 6.2, a pneumatic control reversing valve; 6.3, a pneumatic control manual valve; 7. the top cover lifts the swing arm assembly; 7.1, lifting a main beam of the swing arm by the top cover; 7.2, lifting a top cover swing arm support rod; 7.3, an oil cylinder support; 8. a top cover hydraulic lifting system; 8.1, a top cover lifting oil cylinder; 8.2, a tubular bidirectional balance valve; 8.3, a pneumatic control manual control multi-way reversing valve; 8.4, a pneumatic control electric control valve; 8.5, lifting a supporting pin; 8.6, lifting the support pin downwards; 9. a rotating shaft; 10. an upper swing arm support pin; 11. a lower swing arm support pin; 12. an upper swing arm connecting device; 12.1, fixing sleeves on the swing arms; 12.2, fixing a sleeve reinforcing plate on the swing arm; 13. the upper swing arm is fixed with the supporting device; 13.1, fixing sleeves of upper pins of the swing arms; 13.2, fixing sleeve reinforcing plates are pivoted on the swing arms; 14. a lower swing arm connecting device; 14.1, fixing a lower swing arm fixing sleeve; 14.2, fixing a sleeve reinforcing plate under the swing arm; 15. the lower swing arm is used for fixing the supporting device; 15.1, fixing sleeves of lower support pins of the swing arms; 15.2, fixing seats of lower support pins of the swing arms; 16. a slotted nut; 17. a gasket; 18. a support hanger; 19. the chassis power take-off of the dumper is linked with a hydraulic oil pump; 20. a hydraulic oil tank of the dumper chassis; 21. an air tank; 22. a 24V switching power supply; 23. a sealing strip; 24. the top cover lifts the swing arm brace rod stop device; 25. a box body hoisting ring; 26. the box body is folded to climb a ladder; 27. a sun canopy accessory; 28. a duplex support; 29. manual hook locking; 30. The back door latch hook.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, how to implement the present invention is described below with reference to the accompanying drawings and the detailed description.
The utility model provides a rocking arm type reach top cover muck truck, as shown in figures 1 to 3, comprising a self-dumping truck chassis 1, an auxiliary frame 2, a carriage 3, a top cover 4, a rear door 5, a carriage hydraulic lifting system 6, a top cover lifting swing arm assembly 7 and a top cover hydraulic lifting system 8;
the auxiliary frame 2 is assembled and fixed on a self-discharging vehicle chassis 1, the carriage 3 is assembled on the auxiliary frame 2, the front side of the carriage 3 is connected with the front side of the auxiliary frame 2 in an opening and closing manner through a carriage hydraulic lifting system 6, the rear side of the carriage 3 is hinged with the rear side of the auxiliary frame 2 through a rotating shaft 9, the top cover 4 is assembled at the top of the carriage 3 and is connected with the top of the carriage 3 in a front lifting and opening and closing manner through a top cover lifting swing arm assembly 7 and a top cover hydraulic lifting system 8, the rear door 5 is assembled at the rear side of the carriage 3, the upper end of the rear door 5 is hinged with the upper part of the rear side of the carriage 3 through a duplex support 28, the lower end of the rear door is connected with the lower part of the rear side of the carriage 3 in a buckling manner through a rear door lock hook; the top cover lifting swing arm assembly 7 and the top cover hydraulic lifting system 8 are symmetrically assembled at the left side and the right side of the carriage 3, as shown in fig. 4 and 12, the upper end of the top cover lifting swing arm assembly 7 is hinged with an upper swing arm fixing and supporting device 13 arranged on a top cover longitudinal beam 4.1 of the top cover 4 through an upper swing arm supporting pin 10, and the lower end is hinged with a lower swing arm fixing and supporting device 15 arranged on a chassis side cross beam 3.2 of the carriage 3 through a lower swing arm supporting pin 11; as shown in fig. 2 and 3, the upper end of the top cover hydraulic lifting system 8 is connected with an oil cylinder support 7.3 on the top cover lifting swing arm assembly 7 through an upper lifting support pin 8.5, and the lower end is connected with a lower swing arm fixing and supporting device 15 arranged on an underframe cross beam 3.1 of the carriage 3 through a lower lifting support pin 8.6;
as shown in fig. 23, the car hydraulic lifting system 6 and the roof hydraulic lifting system 8 are also respectively communicated with the dump truck chassis power take-off linkage hydraulic oil pump 19 and the dump truck chassis hydraulic oil tank 20 through hydraulic oil pipes, and the dump truck chassis power take-off linkage hydraulic oil pump 19 and the dump truck chassis hydraulic oil tank 20 are both located on the front side of the car 3 and fixed on the dump truck chassis 1 through the support hanger 18.
The utility model discloses in, tipper chassis 1 is pure electric type tipper chassis.
In the utility model, as shown in fig. 2 and 23, the carriage hydraulic lifting system 6 comprises a carriage front lifting oil cylinder 6.1, a pneumatic control reversing valve 6.2 and a pneumatic control manual valve 6.3;
the front lifting oil cylinder 6.1 of the carriage is vertically arranged at the front end of the carriage 3, the upper end of the front lifting oil cylinder is connected with a front side plate of the carriage 3 through an upper fixed support 6.4 of the front lifting oil cylinder of the carriage, and the lower end of the front lifting oil cylinder is connected with the auxiliary frame 2 through a lower fixed support 6.5 of the front lifting oil cylinder of the carriage; the pneumatic control reversing valve 6.2 and the pneumatic control manual control valve 6.3 are fixed on the auxiliary frame 2, an oil outlet A of the pneumatic control reversing valve 6.2 is communicated with an oil inlet and an oil outlet of a front lifting oil cylinder 6.1 of a carriage through a hydraulic oil pipe, an oil inlet P of the pneumatic control reversing valve 6.2 is communicated with a power taking linkage hydraulic oil pump 19 of a self-dumping truck chassis through the hydraulic oil pipe, an oil return port T of the pneumatic control reversing valve 6.2 is communicated with a hydraulic oil tank 20 of the self-dumping truck chassis through the hydraulic oil pipe, an air inlet of the pneumatic control reversing valve 6.2 is communicated with an air outlet A of the pneumatic control manual control valve 6.3 through an air pipe, an air outlet of the pneumatic control reversing valve 6.2 is communicated with an air return port B of the pneumatic control manual control valve 6.3 through an air pipe, an air inlet P of the.
In the present invention, as shown in fig. 1 to 7, the roof lifting swing arm assembly 7 comprises two roof lifting swing arm main beams 7.1 symmetrically disposed on the left and right sides of the carriage 3 and two roof lifting swing arm support rods 7.2 symmetrically disposed on the left and right sides of the carriage 3;
wherein, the upper ends of each top cover lifting swing arm main beam 7.1 and the top cover lifting swing arm brace 7.2 are also connected with an upper swing arm connecting device 12; the lower ends of each top cover lifting swing arm main beam 7.1 and each top cover lifting swing arm brace 7.2 are also connected with a lower swing arm connecting device 14; each top cover lifting swing arm main beam 7.1 is also connected with an oil cylinder support 7.3; a top cover lifting swing arm brace rod limiting device 24 is arranged below each top cover lifting swing arm brace rod 7.2;
the upper ends of each top cover lifting swing arm main beam 7.1 and each top cover lifting swing arm brace 7.2 are matched and corresponding to an upper swing arm fixing and supporting device 13 which is arranged on the top cover longitudinal beam 4.1 at the same side through an upper swing arm connecting device 12 which is respectively connected with the top cover lifting swing arm main beam and the top cover lifting swing arm brace 7.2, and are hinged together through an upper swing arm support pin 10;
the lower ends of each top cover lifting swing arm main beam 7.1 and each top cover lifting swing arm support rod 7.2 are matched and correspond to a lower swing arm fixing and supporting device 15 which is arranged on the chassis side cross beam 3.2 of the carriage at the same side through a lower swing arm connecting device 14 and a lower swing arm supporting pin 11 which are respectively connected with the top cover lifting swing arm main beam and the top cover lifting swing arm support rod;
each top cover lifting swing arm main beam 7.1 is also correspondingly connected with one top cover lifting oil cylinder 8.1 in the top cover hydraulic lifting system 8 through an oil cylinder support 7.3 connected with the top cover lifting swing arm main beam;
when the top cover 4 is in a closed state, the top cover lifting swing arm assembly 7 is supported on the box body side plate of the carriage 3 in a limiting mode through the top cover lifting swing arm stay bar limiting device 24.
In the present invention, as shown in fig. 8 to 22, each upper swing arm connecting device 12 comprises an upper swing arm fixing sleeve 12.1 and two upper swing arm fixing sleeve reinforcing plates 12.2; the upper swing arm fixing sleeve 12.1 in each upper swing arm connecting device 12 is arranged in a waist hole 7.1a arranged at the upper end of the corresponding top cover lifting swing arm main beam 7.1 or top cover lifting swing arm stay bar 7.2; two swing arm upper fixing sleeve reinforcing plates 12.2 in each upper swing arm connecting device 12 are sleeved on the corresponding swing arm upper fixing sleeves 12.1 and are respectively arranged at two sides of a waist hole 7.1a arranged at the upper end of a top cover lifting swing arm main beam 7.1 or a top cover lifting swing arm support rod 7.2 corresponding to the two swing arm upper fixing sleeve reinforcing plates;
each upper swing arm fixing and supporting device 13 comprises a swing arm upper supporting pin fixing sleeve 13.1 and two swing arm upper supporting pin fixing sleeve reinforcing plates 13.2; the swing arm upper supporting pin fixing sleeve 13.1 in each upper swing arm fixing and supporting device 12 is arranged on the top cover longitudinal beam 4.1 corresponding to the swing arm upper supporting pin fixing sleeve in a penetrating manner; two swing arm upper pin fixing sleeve reinforcing plates 13.2 in each upper swing arm fixing and supporting device 13 are sleeved on the corresponding swing arm upper pin fixing sleeves 13.1 and are respectively arranged at two sides of the corresponding top cover longitudinal beam 4.1;
the upper swing arm fixing sleeve 12.1 in each upper swing arm connecting device 12 is correspondingly hinged with the upper swing arm supporting pin fixing sleeve 13.1 in the upper swing arm fixing and supporting device 13 through an upper swing arm supporting pin 10;
each lower swing arm connecting device 14 comprises a lower swing arm fixing sleeve 14.1 and two lower swing arm fixing sleeve reinforcing plates 14.2; a swing arm lower fixing sleeve 14.1 in each lower swing arm connecting device 14 is arranged in a round hole arranged at the lower end of a top cover lifting swing arm main beam 7.1 or a top cover lifting swing arm support rod 7.2 corresponding to the lower swing arm lower fixing sleeve; two swing arm lower fixing sleeve reinforcing plates 14.2 in each lower swing arm connecting device 14 are sleeved on the corresponding swing arm lower fixing sleeves 14.1 and are respectively arranged at two sides of a circular hole arranged at the lower end of the corresponding top cover lifting swing arm main beam 7.1 or the top cover lifting swing arm support rod 7.2;
each lower swing arm fixing and supporting device 15 comprises a swing arm lower support pin fixing sleeve 15.1 and a swing arm lower support pin fixing seat 15.2; the swing arm lower support pin fixing sleeve 15.1 in each lower swing arm fixing and supporting device 15 is arranged in the corresponding swing arm lower support pin fixing seat 15.2 in a penetrating manner; the swing arm lower support pin fixing seats 15.2 in each lower swing arm fixing and supporting device 15 are correspondingly clamped in the two corresponding carriage underframe side cross beams 3.2;
in practical application, as shown in fig. 8 and 12, the swing arm lower fixing sleeve 14.1 in each lower swing arm connecting device 14 is correspondingly hinged with the swing arm lower pin fixing sleeve 15.1 in the lower swing arm fixing and supporting device 15 through one lower swing arm support pin 11; the swing arm lower supporting pin fixing seat 15.2 in each lower swing arm fixing and supporting device 15 is reinforced through two carriage chassis side cross beams 3.2 and is stabilized through a carriage side decorative plate 3.3.
As shown in fig. 3, each top cover lifting swing arm brace limiting device 24 comprises a top cover lifting swing arm brace limiting seat reinforcing backing plate 24.2, a top cover lifting swing arm brace limiting seat 24.1 and a cushion pad 24.3, the top cover lifting swing arm brace limiting seat reinforcing backing plate 24.1 is welded and fixed on a box body side plate of the carriage 3, the top cover lifting swing arm brace limiting seat 24.2 is welded and fixed on the top cover lifting swing arm brace limiting seat reinforcing backing plate 24.1, and the cushion pad 24.3 is fastened through a bolt on one end of the top cover lifting swing arm brace limiting seat 24.2 facing to the top cover lifting swing arm brace 7.2.
As shown in fig. 8 to 12, a slotted nut 16 and a washer 17 are respectively sleeved at one end of each upper swing arm support pin 10 connected with the upper swing arm fixing and supporting device 13 and one end of each lower swing arm support pin 11 connected with the lower swing arm fixing and supporting device 15;
each upper swing arm support pin 10 is tightly attached to and clamped with a corresponding upper swing arm support pin fixing sleeve 13.1 in the upper swing arm fixing and supporting device 13 through a slotted nut 16 and a washer 17;
each lower swing arm support pin 11 is tightly attached and clamped with a corresponding swing arm lower support pin fixing sleeve 15.1 in the lower swing arm fixing and supporting device 15 through a slotted nut 16 and a washer 17;
in practical application, the upper swing arm support pin 10 and the lower swing arm support pin 11 are both fastened in the corresponding swing arm upper support pin fixing sleeve 13.1 and swing arm lower support pin fixing sleeve 15.1 through the slotted nut 16 and the gasket 17, in the process of lifting the top cover 4, the upper swing arm support pin 10 and the lower swing arm support pin 11 are not rotated, and the top cover 4 realizes front lifting or rear cover closing movement through the swinging of the top cover lifting swing arm main beam 7.1 and the top cover lifting swing arm support rod 7.2.
As shown in fig. 2 and 23, the hydraulic top cover lifting system 8 comprises two top cover lifting cylinders 8.1, a tubular bidirectional balance valve 8.2, a pneumatic and manual control multi-way reversing valve 8.3 and a pneumatic and electric control valve 8.4; the two top cover lifting oil cylinders 8.1 are obliquely and symmetrically arranged on the left side and the right side of the carriage 3, the upper end of each top cover lifting oil cylinder 8.1 is correspondingly connected with a top cover lifting swing arm main beam 7.1 arranged on the same side through an upper lifting support 8.5, and the lower end of each top cover lifting oil cylinder is correspondingly connected with a lower swing arm fixed supporting device 15 arranged on a side cross beam 3.1 of the chassis of the carriage 3 on the same side through a lower lifting support 8.6;
the tubular bidirectional balance valve 8.2, the pneumatic control manual control multi-way reversing valve 8.3 and the pneumatic control electric control valve 8.4 are all arranged on the auxiliary frame 2; oil inlet and outlet ports of the two top cover lifting oil cylinders 8.1 are correspondingly communicated with two oil outlets of a tubular bidirectional balance valve 8.2 through a hydraulic oil pipe and a tee joint respectively, two oil inlets of the tubular bidirectional balance valve 8.2 are correspondingly communicated with an oil outlet A and an oil outlet B of a pneumatic control manual control multi-way directional valve 8.2 respectively, an oil inlet P of the pneumatic control manual control multi-way directional valve 8.3 is communicated with a dumper chassis power taking linkage hydraulic oil pump 19 through the hydraulic oil pipe, an oil return port T is communicated with a dumper chassis hydraulic oil tank 20 through the hydraulic oil pipe, an air inlet is correspondingly communicated with an air outlet A of a pneumatic control electric control valve 8.4 through an air pipe, an air outlet is correspondingly communicated with an air return port B of the pneumatic control electric control valve 8.4 through the air pipe, and the air inlet P of the pneumatic control; the pneumatic control electric control valve 8.4 is also correspondingly and electrically connected with a 24V switch power supply 22 arranged on the self-dumping truck chassis 1, and the self-dumping truck chassis power take-off linkage hydraulic oil pump 19 is also correspondingly communicated with a self-dumping truck chassis hydraulic oil tank 20 through a hydraulic oil pipe.
In order to avoid the risk of spilling during transportation, as shown in fig. 5, sealing strips 23 are additionally arranged on the periphery of the top cover 4 and the periphery of the rear door 5; the periphery of the top cover 4 and the periphery of the rear door 5 are hermetically connected with the carriage 3 through sealing strips 23;
as shown in fig. 9 and 12, two box lifting rings 25 are further provided on the left and right sides of the car 3, respectively, for lifting the car 3 to a corresponding sub-frame by a crane when assembling the car 3.
As shown in fig. 1, a box folding ladder stand 26 is further provided on the right rear side of the carriage 3; a sun roof attachment 27 is also provided at the top of the front side of the cabin 3.
In practical application, when the rocker arm type forward extending top cover muck truck is assembled, the method specifically comprises the following steps:
s1 assembly auxiliary frame
Assembling and fixing the spliced and assembled auxiliary frame 2 on a dumper chassis 1;
s2, assembling a carriage and a carriage hydraulic lifting system:
firstly, placing the carriage 3 which is spliced and assembled in advance and the left side and the right side of which are welded and fixed with the lower swing arm fixing and supporting devices 14 in advance on the auxiliary frame 2 assembled in the step S1, then hinging the rear end of the underframe 3.1 of the carriage 3 with the rear end of the auxiliary frame 2 through the rotating shaft 9, assembling the carriage hydraulic lifting system 6 at the front end of the carriage 3, and connecting the front side plate of the carriage 3 with the front end of the auxiliary frame 2 through the carriage hydraulic lifting system 6;
s3, assembling a top cover:
placing the top cover 4 which is spliced and assembled in advance and the left side and the right side of which are welded and fixed with the upper swing arm fixing and supporting devices 12 in advance on the carriage 3 which is assembled and fixed in the step S2;
s4, assembling a top cover lifting swing arm assembly and a top cover hydraulic lifting system which are positioned on the left side of the carriage:
(1) the lower ends of a top cover lifting swing arm main beam 7.1 and a top cover lifting swing arm support rod 7.2 of a top cover lifting swing arm assembly 7 positioned on the left side of the carriage 3 are sequentially and respectively connected and positioned through a lower swing arm connecting device 14 which is welded and fixed in advance and a lower swing arm fixing and supporting device 15 which is welded and fixed in advance on a chassis side cross beam 3.2 positioned on the left side of the carriage 3 through a swing arm lower support pin 11;
(2) the upper ends of a top cover lifting swing arm main beam 7.1 and a top cover lifting swing arm brace 7.2 of a top cover lifting swing arm assembly 7 positioned on the left side of a carriage 3 are respectively preassembled and positioned through an upper swing arm connecting device 12 which is not welded and fixed in advance and an upper swing arm fixing and supporting device 13 which is welded and fixed in advance on a top cover longitudinal beam 4.1 positioned on the left side of a top cover 4 through an upper swing arm support pin 10 in sequence; wherein, the upper swing arm connecting device 12 is movably arranged in a waist hole 7.1a formed at the upper end of the top cover lifting swing arm main beam 7.1 or the top cover lifting swing arm brace 7.2 corresponding to the upper swing arm connecting device;
(3) the lower end of a top cover lifting oil cylinder 8.1 of a top cover hydraulic lifting system 8 positioned on the left side of the carriage 3 is connected with a lower swing arm fixed supporting device 15 on a chassis side cross beam 3.2 positioned on the left side of the carriage 3 through a lower lifting support pin 8.6, and the upper end of the top cover lifting oil cylinder is connected with a top cover lifting swing arm main beam 7.1 positioned on the left side of the carriage 3 through an upper lifting support pin 8.5;
s5, assembling a top cover lifting swing arm assembly and a top cover hydraulic lifting system which are positioned on the right side of the carriage:
(1) the lower ends of a top cover lifting swing arm main beam 7.1 and a top cover lifting swing arm support rod 7.2 of a top cover lifting swing arm assembly 7 positioned on the right side of the carriage 3 are sequentially and respectively connected and positioned through a lower swing arm connecting device 14 which is welded and fixed in advance and a lower swing arm fixing and supporting device 15 which is welded and fixed in advance on a chassis side cross beam 3.2 positioned on the left side of the carriage 3 through a swing arm lower support pin 11;
(2) the upper ends of a top cover lifting swing arm main beam 7.1 and a top cover lifting swing arm brace 7.2 of a top cover lifting swing arm assembly 7 positioned on the right side of the carriage 3 are respectively preassembled and positioned through an upper swing arm connecting device 12 which is not welded and fixed in advance and an upper swing arm fixing and supporting device 13 which is welded and fixed in advance on a top cover longitudinal beam 4.1 positioned on the left side of the top cover 3 through an upper swing arm support pin 10 in sequence; wherein, the upper swing arm connecting device 12 is movably arranged in a waist hole 7.1a formed at the upper end of the top cover lifting swing arm main beam 7.1 or the top cover lifting swing arm brace 7.2 corresponding to the upper swing arm connecting device;
(3) the lower end of a top cover lifting oil cylinder 8.1 of a top cover hydraulic lifting system 8 positioned on the right side of the carriage 3 is connected with a lower swing arm fixing and supporting device 15 on a chassis side cross beam 3.2 positioned on the right side of the carriage 3 through a lower lifting support pin 8.6, and the upper end of the top cover lifting oil cylinder is connected with a top cover lifting swing arm main beam 7.1 positioned on the left side of the carriage 3 through an upper lifting support pin 8.5;
s6, welding and fixing the upper swing arm connecting device 11:
the top cover hydraulic lifting system 8 is started to work, a top cover lifting swing arm assembly 7 is driven by a top cover lifting oil cylinder 8.1 of the top cover hydraulic lifting system 8 to lift a top cover 4 forwards to enable the top cover to extend forwards to a proper position, then the lateral clearance between the top cover lifting swing arm assemblies 7 positioned on the left side and the right side of a carriage 3 and the carriage 3 is adjusted, and after the interval between the top cover lifting swing arm assemblies and the carriage 3 is consistent, the top cover lifting swing arm main beams 7.1 positioned on the left side and the right side of the carriage 3 and the upper swing arm connecting devices 12 in the waist holes 7.1a at the upper ends of top cover lifting swing;
s7, assembling the back door
The rear door 5 is fitted to the rear side of the vehicle compartment 3, and the rear door 5 is locked to the rear side of the vehicle compartment 3 with a manual locking hook.
In the assembling process, before the gap between the top cover lifting swing arm assembly 7 and the left side and the right side of the carriage 3 are not adjusted to be consistent, the upper swing arm connecting device 12 is not welded with the corresponding waist hole 7.1a formed in the upper end of the top cover lifting swing arm main beam 7.1 and the upper end of the top cover lifting swing arm support rod 7.2 in advance, and after the gap between the top cover lifting swing arm assembly 7 and the left side and the gap between the top cover lifting swing arm main beam 7.1 and the upper end of the top cover lifting swing arm support rod 7.2 are adjusted to be consistent, the upper swing arm connecting device 12 is.
Finally, the above description is only the embodiments of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (11)
1. The utility model provides a rocking arm formula protraction top cap dregs car which characterized in that: the self-unloading truck comprises a self-unloading truck chassis (1), an auxiliary frame (2), a carriage (3), a top cover (4), a rear door (5), a carriage hydraulic lifting system (6), a top cover lifting swing arm assembly (7) and a top cover hydraulic lifting system (8);
the auxiliary frame (2) is assembled on the dumper chassis (1), the carriage (3) is assembled on the auxiliary frame (2), the top cover (4) is assembled at the top of the carriage (3), and the rear door (5) is assembled at the rear side of the carriage (3); the carriage hydraulic lifting system (6) is assembled at the front side of the carriage (3), the top cover lifting swing arm assembly (7) and the top cover hydraulic lifting system (8) are symmetrically assembled at the left side and the right side of the carriage (3),
the front side of the carriage (3) is hinged with the front side of the auxiliary frame (2) through a carriage hydraulic lifting system (6), and the rear side of the carriage is hinged with the rear side of the auxiliary frame (2) through a rotating shaft (9);
the upper end of the top cover lifting swing arm assembly (7) is hinged with an upper swing arm fixing and supporting device (13) arranged on a top cover longitudinal beam (4.1) of the top cover (4) through an upper swing arm supporting pin (10), and the lower end of the top cover lifting swing arm assembly is hinged with a lower swing arm fixing and supporting device (15) arranged on a chassis side cross beam (3.2) of the carriage (3) through a lower swing arm supporting pin (11);
the upper end of the top cover hydraulic lifting system (8) is connected with an oil cylinder support (7.3) on the top cover lifting swing arm assembly (7) through an upper lifting support pin (8.5), and the lower end of the top cover hydraulic lifting system is connected with a lower swing arm fixing and supporting device (15) arranged on an underframe cross beam (3.1) of the carriage (3) through a lower lifting support pin (8.6);
the hydraulic lifting system (6) of the carriage and the hydraulic lifting system (8) of the top cover are respectively communicated with a power-taking linkage hydraulic oil pump (19) of the chassis of the dump truck through hydraulic oil pipes, the power-taking linkage hydraulic oil pump (19) of the chassis of the dump truck is communicated with a hydraulic oil tank (20) of the chassis of the dump truck through hydraulic oil pipes, and the power-taking linkage hydraulic oil pump (19) of the chassis of the dump truck and the hydraulic oil tank (20) of the chassis of the dump truck are both positioned on the front side of the carriage (3) and are fixed on the chassis of the dump truck (1) through a supporting hanger (18).
2. The rocker-arm forward extending roof muck truck of claim 1, wherein: the dumper chassis (1) is a pure electric dumper chassis.
3. The rocker-arm forward extending roof muck truck of claim 1, wherein: the carriage hydraulic lifting system (6) comprises a carriage front lifting oil cylinder (6.1), a pneumatic control reversing valve (6.2) and a pneumatic control manual valve (6.3);
the front lifting oil cylinder (6.1) of the carriage is vertically arranged at the front end of the carriage (3), the upper end of the front lifting oil cylinder is connected with the front side plate of the carriage (3) through an upper fixed support (6.4) of the front lifting oil cylinder of the carriage, and the lower end of the front lifting oil cylinder is connected with the auxiliary frame (2) through a lower fixed support (6.5) of the front lifting oil cylinder of the carriage;
the pneumatic control reversing valve (6.2) and the pneumatic control manual control valve (6.3) are fixed on the auxiliary frame (2), an oil outlet A of the pneumatic control reversing valve (6.2) is communicated with an oil inlet and an oil outlet of the carriage front lifting oil cylinder (6.1) through a hydraulic oil pipe, an oil inlet P of the pneumatic control reversing valve (6.2) is communicated with the dumper chassis power taking linkage hydraulic oil pump (19) through a hydraulic oil pipe, an oil return port T of the pneumatic control reversing valve (6.2) is communicated with the dumper chassis hydraulic oil tank (20) through a hydraulic oil pipe, an air inlet of the pneumatic control reversing valve (6.2) is communicated with an air outlet A of the pneumatic control manual control valve (6.3) through an air pipe, an air outlet of the pneumatic control reversing valve (6.2) is communicated with an air return port B of the pneumatic control manual control valve (6.3) through an air pipe, an air inlet P of the pneumatic control manual control valve (6.3) is communicated with an air storage tank (21, the gas storage tank (21) is assembled and fixed on the dumper chassis (1).
4. The rocker arm forward extending roof muck truck of claim 3, wherein: the top cover lifting swing arm assembly (7) comprises two top cover lifting swing arm main beams (7.1) symmetrically arranged on the left side and the right side of the carriage (3) and two top cover lifting swing arm support rods (7.2) symmetrically arranged on the left side and the right side of the carriage (3);
the upper ends of each top cover lifting swing arm main beam (7.1) and each top cover lifting swing arm support rod (7.2) are also connected with an upper swing arm connecting device (12);
the lower end of each top cover lifting swing arm main beam (7.1) and the lower end of each top cover lifting swing arm support rod (7.2) are connected with a lower swing arm connecting device (14);
each top cover lifting swing arm main beam (7.1) is also connected with an oil cylinder support (7.3);
a top cover lifting swing arm brace rod limiting device (24) is arranged below each top cover lifting swing arm brace rod (7.2);
the upper ends of the top cover lifting swing arm main beams (7.1) and the top cover lifting swing arm support rods (7.2) are respectively connected with an upper swing arm connecting device (12) through the top cover lifting swing arm main beams and the top cover lifting swing arm support rods, are matched and correspond to an upper swing arm fixing and supporting device (13) arranged on the top cover longitudinal beams (4.1) at the same side, and are hinged together through upper swing arm support pins (10);
the lower ends of each top cover lifting swing arm main beam (7.1) and each top cover lifting swing arm support rod (7.2) are matched and correspond to a lower swing arm fixing and supporting device (15) which is arranged on a carriage chassis side cross beam (3.2) at the same side through a lower swing arm connecting device (14) which is connected with the top cover lifting swing arm main beam and the top cover lifting swing arm support rods respectively, and are hinged together through a lower swing arm support pin (11);
each top cover lifting swing arm main beam (7.1) is also correspondingly connected with one top cover lifting oil cylinder (8.1) in the top cover hydraulic lifting system (8) through an oil cylinder support (7.3) connected with the top cover lifting swing arm main beam;
when the top cover (4) is in a closed state, the top cover lifting swing arm assembly (7) is supported on a box body side plate of the carriage (3) in a limiting mode through the top cover lifting swing arm support rod limiting device (24).
5. The rocker arm forward extending roof muck truck of claim 4, wherein:
each upper swing arm connecting device (12) comprises an upper swing arm fixing sleeve (12.1) and two upper swing arm fixing sleeve reinforcing plates (12.2); an upper swing arm fixing sleeve (12.1) in each upper swing arm connecting device (12) is arranged in a waist hole (7.1a) formed in the upper end of a corresponding top cover lifting swing arm main beam (7.1) or a top cover lifting swing arm support rod (7.2) in a penetrating manner; two swing arm upper fixing sleeve reinforcing plates (12.2) in each upper swing arm connecting device (12) are sleeved on the corresponding swing arm upper fixing sleeves (12.1) and are respectively arranged at two sides of a waist hole (7.1a) formed at the upper end of a top cover lifting swing arm main beam (7.1) or a top cover lifting swing arm supporting rod (7.2) corresponding to the two swing arm upper fixing sleeve reinforcing plates;
each upper swing arm fixing and supporting device (13) comprises a swing arm upper supporting pin fixing sleeve (13.1) and two swing arm upper supporting pin fixing sleeve reinforcing plates (13.2); an upper swing arm supporting pin fixing sleeve (13.1) in each upper swing arm fixing and supporting device (13) penetrates through the corresponding top cover longitudinal beam (4.1); two swing arm upper pin fixing sleeve reinforcing plates (13.2) in each upper swing arm fixing and supporting device (13) are sleeved on the corresponding swing arm upper pin fixing sleeves (13.1) and are respectively arranged at two sides of the corresponding top cover longitudinal beam (4.1);
an upper swing arm fixing sleeve (12.1) in each upper swing arm connecting device (12) is correspondingly hinged with an upper swing arm supporting pin fixing sleeve (13.1) in an upper swing arm fixing and supporting device (13) through an upper swing arm supporting pin (10);
each lower swing arm connecting device (14) comprises a lower swing arm fixing sleeve (14.1) and two lower swing arm fixing sleeve reinforcing plates (14.2); a swing arm lower fixing sleeve (14.1) in each lower swing arm connecting device (14) is arranged in a round hole formed in the lower end of a top cover lifting swing arm main beam (7.1) or a top cover lifting swing arm support rod (7.2) corresponding to the lower swing arm lower fixing sleeve in a penetrating manner; two swing arm lower fixing sleeve reinforcing plates (14.2) in each lower swing arm connecting device (14) are sleeved on the corresponding swing arm lower fixing sleeves (14.1) and are respectively arranged at two sides of a circular hole arranged at the lower end of a top cover lifting swing arm main beam (7.1) or a top cover lifting swing arm support rod (7.2) corresponding to the swing arm lower fixing sleeve reinforcing plates;
each lower swing arm fixing and supporting device (15) comprises a swing arm lower support pin fixing sleeve (15.1) and a swing arm lower support pin fixing seat (15.2); a swing arm lower support pin fixing sleeve (15.1) in each lower swing arm fixing and supporting device (15) penetrates through a corresponding swing arm lower support pin fixing seat (15.2); the swing arm lower support pin fixing seats (15.2) in each lower swing arm fixing and supporting device (15) are correspondingly clamped in the two corresponding carriage underframe side cross beams (3.2);
a lower swing arm fixing sleeve (14.1) in each lower swing arm connecting device (14) is correspondingly hinged with a lower swing arm fixing sleeve (15.1) in a lower swing arm fixing and supporting device (15) through a lower swing arm supporting pin (11);
every top cap lift swing arm vaulting pole stop device (24) all contain a top cap lift swing arm vaulting pole spacing seat and strengthen backing plate (24.2), a top cap lift swing arm vaulting pole spacing seat (24.1) and blotter (24.3), top cap lift swing arm vaulting pole spacing seat is strengthened backing plate (24.1) seam and is fixed on the box curb plate of carriage (3), top cap lift swing arm vaulting pole spacing seat (24.2) seam is fixed on top cap lift swing arm vaulting pole spacing seat strengthens backing plate (24.1) blotter (24.3) are in through the bolt-up top cap lift swing arm vaulting pole spacing seat (24.2) are served to top cap lift swing arm vaulting pole (7.2).
6. The rocker arm forward extending roof muck truck of claim 5, wherein: one end of each upper swing arm support pin (10) connected with the upper swing arm fixing and supporting device (13) and one end of each lower swing arm support pin (11) connected with the lower swing arm fixing and supporting device (15) are respectively sleeved with a slotted nut (16) and a gasket (17);
each upper swing arm support pin (10) is tightly attached to and clamped with a corresponding upper swing arm support pin fixing sleeve (13.1) in the upper swing arm fixing and supporting device (13) through a slotted nut (16) and a gasket (17);
each lower swing arm support pin (11) is tightly attached to and clamped with a corresponding swing arm lower support pin fixing sleeve (15.1) in the lower swing arm fixing and supporting device (15) through a slotted nut (16) and a washer (17).
7. The rocker arm forward extending roof muck truck of claim 4, wherein: the top cover hydraulic lifting system (8) comprises two top cover lifting oil cylinders (8.1), a tubular bidirectional balance valve (8.2), a pneumatic control manual control multi-way reversing valve (8.3) and a pneumatic control electric control valve (8.4);
the two top cover lifting oil cylinders (8.1) are obliquely and symmetrically arranged on the left side and the right side of the carriage (3), the upper end of each top cover lifting oil cylinder (8.1) is correspondingly connected with a top cover lifting swing arm main beam (7.1) arranged on the same side through an upper lifting support (8.5), and the lower end of each top cover lifting oil cylinder is correspondingly connected with a lower swing arm fixed supporting device (15) arranged on a side cross beam (3.1) of the chassis of the carriage (3) on the same side through a lower lifting support (8.6);
the tubular bidirectional balance valve (8.2), the pneumatic control manual control multi-way reversing valve (8.3) and the pneumatic control electric control valve (8.4) are all arranged on the auxiliary frame (2); oil inlets and oil outlets of the two top cover lifting oil cylinders (8.1) are correspondingly communicated with two oil outlets of a tubular bidirectional balance valve (8.2) through a hydraulic oil pipe and a tee joint respectively, two oil inlets of the tubular bidirectional balance valve (8.2) are correspondingly communicated with an oil outlet A and an oil outlet B of a pneumatic control manual control multi-way directional valve (8.3) respectively, an oil inlet P of the pneumatic control manual control multi-way directional valve (8.3) is communicated with a dumper chassis power taking linkage hydraulic oil pump (19) through the hydraulic oil pipe, an oil return port T is communicated with a dumper chassis hydraulic oil tank (20) through the hydraulic oil pipe, an air inlet is correspondingly communicated with an air outlet A of the pneumatic control electric control valve (8.4) through an air pipe, the air outlet is correspondingly communicated with an air return port B of the pneumatic control electric control valve (8.4) through an air pipe, and an air inlet P of the pneumatic control electric control valve (8.4; the pneumatic control electric control valve (8.4) is also correspondingly and electrically connected with a 24V switch power supply (22) arranged on the dumper chassis (1).
8. The rocker-arm forward extending roof muck truck of claim 1, wherein: sealing strips (23) are additionally arranged on the periphery of the top cover (4) and the periphery of the rear door (5); the periphery of the top cover (4) and the periphery of the rear door (5) are hermetically connected with the carriage (3) through sealing strips (23).
9. The rocker-arm forward extending roof muck truck of claim 1, wherein: and a plurality of box body hoisting rings (25) are respectively arranged on the left side and the right side of the carriage (3).
10. The rocker-arm forward extending roof muck truck of claim 1, wherein: a box body folding ladder stand (26) is arranged on the left rear side or the right rear side of the carriage (3).
11. The rocker-arm forward extending roof muck truck of claim 1, wherein: the top of the front side of the carriage (3) is also provided with a sun roof accessory (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647598.1U CN210502454U (en) | 2019-05-08 | 2019-05-08 | Rocker arm type forward-extending top cover muck truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647598.1U CN210502454U (en) | 2019-05-08 | 2019-05-08 | Rocker arm type forward-extending top cover muck truck |
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| Publication Number | Publication Date |
|---|---|
| CN210502454U true CN210502454U (en) | 2020-05-12 |
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|---|---|---|---|
| CN201920647598.1U Active CN210502454U (en) | 2019-05-08 | 2019-05-08 | Rocker arm type forward-extending top cover muck truck |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154871A (en) * | 2019-05-08 | 2019-08-23 | 中国重汽集团湖北华威专用汽车有限公司 | A kind of rocker-arm extension top cover slag-soil truck and its assembly method |
| CN111619435A (en) * | 2020-06-03 | 2020-09-04 | 王海龙 | Tipper goods railway carriage or compartment and tipper |
| CN111846709A (en) * | 2020-07-29 | 2020-10-30 | 利辛县江淮扬天汽车有限公司 | Top cap device that opens and shuts for garbage truck |
-
2019
- 2019-05-08 CN CN201920647598.1U patent/CN210502454U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154871A (en) * | 2019-05-08 | 2019-08-23 | 中国重汽集团湖北华威专用汽车有限公司 | A kind of rocker-arm extension top cover slag-soil truck and its assembly method |
| CN110154871B (en) * | 2019-05-08 | 2024-05-03 | 中国重汽集团湖北华威专用汽车有限公司 | Rocker arm type forward-extending top cover residue-soil vehicle and assembly method thereof |
| CN111619435A (en) * | 2020-06-03 | 2020-09-04 | 王海龙 | Tipper goods railway carriage or compartment and tipper |
| CN111846709A (en) * | 2020-07-29 | 2020-10-30 | 利辛县江淮扬天汽车有限公司 | Top cap device that opens and shuts for garbage truck |
| CN111846709B (en) * | 2020-07-29 | 2022-03-01 | 利辛县江淮扬天汽车有限公司 | Top cap device that opens and shuts for garbage truck |
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