CN212559198U - Folding arm crane of hoisting type garbage truck - Google Patents

Abstract

The invention provides a folding arm crane of a hoisting garbage truck, which comprises: the base is used for providing an installation foundation for the folding arm crane, the base is connected to the compression garbage truck, the upper part of the base is connected with the turntable support, the base is an arched box body, and the arched box body is attached to the box body of the compression garbage truck; the rotary table support provides a rotating foundation for the folding arm crane; the rotary table is arranged on the rotary table support and provides a foundation for connecting the rotary table support and the large arm; the rotary table is connected to the rotary table support through a flange plate at the bottom by using bolts, a rotary table rotation limiting plate is arranged on the flange plate, a rotation limiting column is arranged on the machine base, and the rotary limiting plate and the rotation limiting column limit the rotation limit position of the whole folding arm crane; the design of the base is convenient for installing the folding arm crane on the roof of the garbage truck, the design of the base and the rotary table not only ensures that the whole folding arm crane is not overhigh after being installed, but also designs physical control of the rotation limit position of the folding arm crane, and ensures that the folding arm cannot rotate to the middle of a road in the normal operation process.

Description

Folding arm crane of hoisting type garbage truck

Technical Field

The invention belongs to the technical field of folding arm cranes, and particularly relates to a folding arm crane of a hoisting type garbage truck.

Background

Along with the process of urbanization, urban areas are continuously enlarged, the urban and rural combination scale is more and more obvious, the problem of urban domestic garbage is more and more serious, and how to effectively and quickly treat the urban domestic garbage gradually becomes a big problem in urban management. The size of the dustbin in the city is determined according to the population around the residential area, in some areas with incomplete urban construction, the construction of the garbage station is not complete, the problem of garbage collection exists at present, the construction of the garbage compression station is adopted, the garbage compression station cannot be implemented due to the fact that the construction standard is not met, and the manual collection cost is high.

The garbage truck is one of the important means of garbage disposal, and as the quantity of domestic garbage is continuously increased, a garbage collection system with a deep-buried barrel is used for garbage collection and transportation, the matched fully-closed buried barrel ensures that the garbage cannot be exposed on the surrounding ground to influence the environment, and meanwhile, the closed design also avoids the damage of peculiar smell to the environment.

In order to solve the above problems, it is necessary to develop a new device, a folding arm type compression garbage truck combining a compression garbage truck and a folding arm crane. In the process of developing the equipment, the developer finds and solves the following problems:

1) the connecting component of the folding arm crane and the compression garbage truck needs to use a base, the base needs to ensure uniform stress during hoisting operation, the whole installation is not ultrahigh, the weight is light, and the installation is convenient;

2) according to the traditional lorry-mounted crane, the main oil cylinder is arranged on the side face of the rotary table, the rotary table is required to be high in height, when the traditional crane is arranged on an automobile chassis, the traditional structure cannot cause the height of a vehicle to be ultrahigh, the using condition is good, but when the traditional crane is arranged on the top of a hoisting type garbage truck, the rotary table structure causes the vehicle to be ultrahigh, the hoisting is unstable, and the traditional crane is not suitable for being arranged on the top of the hoisting type garbage truck;

3) how to configure a set of control system suitable for the folding arm crane to ensure all functions and safety;

4) how to design and effectively assemble each part of the folding arm crane.

Disclosure of Invention

The invention provides a folding arm crane of a hoisting type garbage truck, which is reasonable in design of all parts, convenient to install on the garbage truck and reasonable in design of a control system.

The invention aims to provide a folding arm crane of a hoisting type garbage truck, which has the following technical scheme:

the utility model provides a roll over arm of hoist and mount formula garbage truck hangs, includes: the base is used for providing an installation foundation for the folding arm crane, the base is connected to the compression garbage truck, the upper part of the base is connected with the turntable support, the base is an arched box body, and the arched box body is attached to the box body of the compression garbage truck; the rotary table support provides a rotating foundation for the folding arm crane; the rotary table is arranged on the rotary table support and provides a foundation for connecting the rotary table support and the large arm; the rotary table is connected to the rotary table support through a flange plate at the bottom through a bolt, a rotary table rotation limiting plate is installed on the flange plate, a rotation limiting column is installed on the machine base, and the rotary limiting plate and the rotation limiting column limit the rotation limiting position of the whole folding arm crane.

Furthermore, the rotation limiting column is installed on the left side of the base, the rotary limiting plate of the rotary table is installed on the left side of the flange plate, and therefore when the folding arm crane is installed on the compression garbage truck, the folding arm crane can only rotate to the right side and cannot rotate to the center of a road.

Further, the base is formed by welding plates, and the rotary table is formed by welding plates.

Further, the arm folding crane further comprises: the large boom, the large boom amplitude-variable oil cylinder, the folding boom basic boom, the folding boom telescopic boom and the folding boom telescopic oil cylinder.

Furthermore, the large arm amplitude-variable oil cylinder, the folding arm basic arm, the folding arm telescopic oil cylinder head and tail end and the folding arm telescopic arm tail end are hinged, and lug plate limiting plates are arranged near one side of the outer sides of all hinged joints and used for limiting the installation of hinged components to prevent the pin shaft from rotating.

Further, the arm folding crane further comprises: the first connecting plate is welded in the middle of the large arm and is used for providing a hinged position for the head end of the large arm amplitude-variable oil cylinder and the tail end of the folding arm amplitude-variable oil cylinder; a second connecting plate comprising: the main connecting plate is welded at the tail end of the folding arm and hinged with the head end of the large arm, the first strip-shaped connecting plate is hinged with the main connecting plate, one end of the second strip-shaped connecting plate is hinged with the first strip-shaped connecting plate, the other end of the second strip-shaped connecting plate is hinged with the head end of the large arm, the first strip-shaped connecting plate and the second strip-shaped connecting plate form a triangular structure, and the head end of the amplitude variation oil cylinder of the folding arm is hinged on a shaft at one end of the second strip-shaped connecting plate and hinged with the first strip-shaped connecting plate and used for providing a hinged position and forming a triangular stress structure; and the tail end of the folding arm is hinged to the first strip-shaped connecting plate.

Furthermore, the head end of the folding arm is connected with a hook.

Furthermore, bolt holes are formed in the arched end portions of the two ends of the arched box body of the base, the bolt holes are symmetrically arranged on the two sides of the arched end portions, and four high-strength bolts are used for positioning and penetrating through the bolt holes to connect the folding arm crane to the installation position of the compression garbage truck.

Further, the high-strength bolt comprises a bolt rod, a nut and a clamping plate, and the clamping plate is clamped with the bolt hole to play a limiting role.

Further, the high-strength bolt may be a saddle bolt or a stud screw.

Further, the turntable includes: flange board, two blocks of curb plates, upper cover plate, apron down, the curb plate includes: the connecting end part of the side plate, the middle part of the side plate, the front inclined part of the side plate and the front part of the side plate are in a hook shape, the connecting end part of the side plate is welded on the flange plate, the highest position of the front inclined part of the side plate is provided with a large arm amplitude-variable oil cylinder hinged joint, the lower end of the front part of the side plate is provided with a large arm hinged joint, and the position of the large arm amplitude-variable oil cylinder hinged joint is higher.

Further, the length of the upper cover plate and the length of the lower cover plate correspond to the side plate connecting end portion and the side plate middle portion of the side plate, a large-arm amplitude-variable oil cylinder hinged reinforcing seat is welded at a position corresponding to the front oblique portion of the side plate, a hole position corresponding to a large-arm amplitude-variable oil cylinder hinged reinforcing seat is arranged on the large-arm amplitude-variable oil cylinder hinged reinforcing seat, a large-arm amplitude-variable oil cylinder hinged shaft sleeve is added on the inner side of the hole position and used for installing a large-arm amplitude-variable oil cylinder, the large-arm amplitude-variable oil cylinder hinged reinforcing seat is formed by welding plates, a large-arm hinged reinforcing plate is welded at a position corresponding to the front portion of the side plate, a hole position corresponding to a large-arm hinged.

Furthermore, a reinforcing plate is added on the inner side of the welding position of the upper cover plate and the flange plate for reinforcing connection, and holes are formed in the upper cover plate and the lower cover plate for arranging pipelines.

Further, roll over arm basic arm and roll over the flexible arm of arm and adopt hollow tubular structure, roll over the flexible arm of arm and insert the body cavity of rolling over arm basic arm, roll over the flexible hydro-cylinder of arm and be located the flexible arm of roll over arm and roll over the body cavity of arm basic arm, roll over the tail end of arm basic arm and set up the die-pin, the head end of the flexible hydro-cylinder of arm is rolled over to the die-pin bearing, roll over the tail end of the flexible arm of arm and set up the backing ring, the hydro-cylinder head end of the flexible hydro-cylinder of arm is rolled over in the backing ring bearing, die-pin and backing ring are used for controlling to roll over the flexible arm of.

Furthermore, the arm folding crane further comprises a control system of the arm folding crane, and the control system adopts a remote controller to control the arm folding crane to execute actions.

The folding arm crane has the advantages that: the design of frame is convenient will roll over the arm and hang and install in the garbage truck roof, and the frame has both confirmed with the design of revolving stage that the arm hangs the installation back whole and is not superelevation, designs again and rolls over arm and hang the physical control of rotation extreme position, guarantees in the normal operation process that the arm can not rotate to the road in the middle of, adopts remote controller control operation, and when conveniently loading the garbage bin, operating personnel operates according to operational environment.

Drawings

FIG. 1 is a front view of a folding arm crane base;

FIG. 2 is a top view of a folding arm crane base;

FIG. 3 is a three-dimensional structural view of a folding arm crane base;

FIG. 4 is a three-dimensional exploded view of a folding arm crane base;

FIG. 5 is a schematic view of a mounting structure of a folding arm crane base;

FIG. 6 is a schematic view of a bolt mounting structure of a folding arm crane base;

FIG. 7 shows a mounting structure of a folding arm crane base and a rotary support;

FIG. 8 is a front view of a boom hoist turret;

FIG. 9 is a top view of the articulated jib crane turret;

FIG. 10 is a three-dimensional view of a folding arm gantry;

FIG. 11 is a three-dimensional explosion structure diagram of a folding arm hanging turntable;

FIG. 12 is a view showing an installation structure of a swing arm crane turntable;

FIG. 13 is a front view of the knuckle boom;

FIG. 14 is a three-dimensional view of the knuckle boom;

FIG. 15 is a front elevational view of a portion of the folding arm boom;

FIG. 16 is a partial cross-sectional view of a folding arm boom;

FIG. 17 is a schematic diagram of the construction of a control system of the articulated arm crane;

the reference numbers in the figures illustrate:

compressing the garbage truck 0;

the device comprises a machine base 1, an arched top 1-1, an arched inclined surface 1-2, an arched end 1-3, bolt holes 1-4, high-strength bolts 1-5, bolt rods 1-51, nuts 1-52, clamping plates 1-53, an arched top plate 101, an arched bottom plate 102, arched side plates 103, end plates 104, inclined side supporting plates 105, a central side supporting plate 106, bolt hole end sealing plates 107, rotary supporting connecting plates 108, limiting column mounting plates 109 and a central supporting plate 110;

a rotary support 2, a rotary control device 201 and a rotary limiting column 202;

the rotary table comprises a rotary table 3, a flange plate 301, a side plate 302, an upper cover plate 303, a lower cover plate 304, a reinforcing ring 305, a large arm hinged reinforcing plate 306, a large arm hinged shaft sleeve 307, a large arm amplitude-variable oil cylinder hinged reinforcing seat 308, a large arm amplitude-variable oil cylinder hinged shaft sleeve 309, an ear plate limiting plate 310, a reinforcing plate 311, a large arm hinged point 312, a large arm amplitude-variable oil cylinder hinged point 313, a rotary table rotation limiting plate 314, a side plate connecting end part 3-1, a side plate middle part 3-2, a side plate front inclined part 3-3 and a side plate front part 3-4;

a large arm 4; a large arm amplitude-variable oil cylinder 5; a folding arm amplitude-variable oil cylinder 6; a first connecting plate 7;

a second connecting plate 8, a main connecting plate 801, a first strip-shaped connecting plate 802, and a second strip-shaped connecting plate 803;

a folding arm 9, a folding arm basic arm 901, a folding arm telescopic arm 902, a folding arm telescopic oil cylinder 903, a support rod 904 and a support ring 905; a hook 10.

Detailed Description

The present invention will be further described with reference to the accompanying drawings so as to facilitate the understanding of the present invention by those skilled in the art.

All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

A roll over arm and hang and use frame 1, as shown in fig. 1-4, in the appearance characteristics, includes: the integral structure of the box body comprises an arched top 1-1, an arched inclined plane 1-2 and an arched end 1-3, the arched top 1-3 is provided with bolt holes 1-4, the arched top 1-1 is rectangular, the arched inclined plane 1-2 is trapezoidal, the arched box body is in a shape that the two ends are wide and the middle is narrow, the bolt holes 1-4 are symmetrically arranged on the two sides of the arched end 1-3, the arched end 1-3 is projected at the bolt holes 1-4, and the bolt holes 1-4 are kidney-shaped holes, and the integral structure of the box body comprises: the arched top plate 101, the arched bottom plate 102, the two arched side plates 103 and the two end plates 104 are welded to form a box body, bolt hole positions are convexly designed on two sides of two ends of the arched top plate 101 and the arched bottom plate 102, bolt hole end closing plates 107 are welded on positions of the two end plates 104 corresponding to the bolt hole positions, for enhancing the connection strength, two center supporting plates 110 are added between rectangular plane positions of an arched top 1-1 and are welded between the two arched side plates 103, center supporting plates 106 are respectively welded in the middle of the outer sides of the two arched side plates 103, the arched side plates 103 are not inclined outwards, inclined supporting plates 105 welded in an inclined mode are added on the outer sides of a trapezoid of an arched inclined plane 1-2 for attractiveness and reinforcement, one end of each inclined supporting plate 105 is welded on the arched side plate 103, the other end of each inclined supporting plate is welded on the end plate 104, through, a screw connecting hole is formed in one side near the center for mounting the limiting column mounting plate 109;

an installation method of a machine base 1 for a folding arm crane is disclosed, as shown in attached figures 5-7, firstly, an installation method of installing the machine base 1 on the top of a box body of a compression garbage truck 0 by utilizing high-strength bolts 1-5 is adopted, the high-strength bolts 1-5 penetrate through bolt holes 1-4 to be connected with an installation position of the compression garbage truck 0, four high-strength bolts 1-5 are adopted for four-point positioning connection, the high-strength bolts 1-5 comprise bolt rods 1-51, nuts 1-52 and clamping plates 1-53, the clamping plates 1-53 clamp the bolt holes 1-4 to play a limiting role, the high-strength bolts 1-5 can be riding bolts or stud screws, a rotary support connecting plate 108 on the upper portion of the machine base 1 is provided with a rotary support 2 through bolts, the rotary support 2 comprises a rotary control device 201 and a rotary limiting column 202, the rotation control device 201 receives signals of a control system to control the rotation direction and angle, and the rotation limiting column 202 is installed on the limiting column installation plate 109 through bolts;

the advantages of the stand 1 include: the machine base 1 is formed by welding plates, and adopts an arched box body design, so that the machine base is uniformly stressed during hoisting operation, and structural part deformation caused by nonuniform stress of a fulcrum is avoided; the shape design of the machine base 1 adopts a shape that two ends are wide and the middle is narrow, so that the weight of a structural part is reduced; the machine base 1 is a folding arm crane machine base arranged at the top of the box body of the compression garbage truck 0, the structure of the machine base is similar to the shape of the box body of the compression garbage truck, the height space is not occupied, and the whole equipment installation is not overhigh; the machine base 1 is connected by high-strength bolts 1-5, so that the installation is convenient, and the universality of the equipment is higher; the bolt holes 1-4 of the mounting hole of the engine base 1 are waist-shaped holes, so that the installation is convenient, and the manufacturing difficulty of a structural member is reduced; the machine base 1 and the compression garbage truck 0 are connected by four-point positioning, and the supporting mode is reliable and stable in connection.

A rotary table 3 for a folding arm crane, as shown in the attached figures 8 to 11, comprises: the flange plate 301, two blocks of side plates 302, upper cover plate 303, lower cover plate 304, weld into revolving stage main part frame, the side plate 302 includes: the side plate connecting end part 3-1, the side plate middle part 3-2, the side plate front inclined part 3-3 and the side plate front part 3-4 are in a hook shape, the side plate connecting end part 3-1 is welded on a flange plate 301, a large arm amplitude-variable oil cylinder hinge point 313 is arranged at the highest position of the side plate front inclined part 3-3, a large arm hinge point 312 is arranged at the lower end of the side plate front part 3-4, the large arm amplitude-variable oil cylinder hinge point 313 is higher than the large arm hinge point 312, an ear plate limiting plate 310 is arranged near the large arm hinge point 312 and the large arm amplitude-variable oil cylinder hinge point 313 on the outer side of one side plate 302 and used for limiting the installation of the large arm 4 and the large arm amplitude-variable oil cylinder 5 to prevent the pin shaft from rotating, a reinforcing ring 305 is added at the lower part of the flange plate 301, and the length of the, The middle part 3-2 of the side plate corresponds to the middle part 3-2 of the side plate, a large-arm amplitude-varying oil cylinder hinged reinforcing seat 308 is welded at the position corresponding to the front inclined part 3-3 of the side plate, a hole position corresponding to a large-arm amplitude-varying oil cylinder hinged joint 313 is arranged on the large-arm amplitude-varying oil cylinder hinged reinforcing seat 308, a large-arm amplitude-varying oil cylinder hinged shaft sleeve 309 is added at the inner side of the hole position and used for installing a large-arm amplitude-varying oil cylinder 5, the large-arm amplitude-varying oil cylinder hinged reinforcing seat 308 is formed by welding plates, a large-arm hinged reinforcing plate 306 is welded at the position corresponding to the front part 3-4 of the side plate, a hole position corresponding to a large-arm hinged joint 312 is arranged on the large-arm hinged reinforcing plate 306, a large-arm hinged shaft sleeve 307 is added at the inner side of the hole position and used for installing a large arm 4, the whole machine tool is processed, the product precision is ensured, and the rotary table 3 has the main advantages of low height and light weight;

a connection mode of a rotary table 3 for a folding arm crane is disclosed, as shown in figure 12, a flange plate 301 is connected to a rotary table support 2 through bolts, a rotary table rotation limiting plate 314 is arranged on the flange plate 301 and is matched with a rotation limiting column 202 arranged on a machine base 1 when the rotary table support 2 is arranged to limit the limit position of the rotation of the whole folding arm crane, the rotation limiting column 202 is arranged on the left side of the machine base 1, the rotary table rotation limiting plate 314 is arranged on the left side of the flange plate 301, so that when the folding arm crane is arranged on a compression garbage truck 0, the folding arm crane can only rotate towards the right side and can not rotate to the center of a road;

the advantages of the turntable 3 include: the bottom of the flange plate 301 is provided with a bottom reinforcing ring 305 which is welded with the upper flange plate 301 to reduce the machining allowance and welding deformation of the flange plate 301, and the lower part of the flange plate 301 is connected with the rotary support 2 through high-strength bolts; the upper part of the flange plate 301 is welded with the left side plate, the right side plate, the upper cover plate and the lower cover plate, the whole body adopts a thin plate type welding design, the positions of hinge points are locally reinforced, and the product weight is greatly reduced on the premise of ensuring the strength and the safety; holes are formed above and below the rotary table, so that pipelines can be conveniently arranged, the appearance is attractive, and the weight of products is reduced; the hinge joint 313 of the large-arm variable-amplitude oil cylinder is arranged above the front of the main body frame, five thin plates are welded to form a large-arm variable-amplitude oil cylinder hinge reinforcing seat 308 which provides a frame for a hinge point, a shaft sleeve is welded to reinforce the hinge point position, the hinge point of the oil cylinder is arranged, the oil cylinder is ensured to be arranged above the side of the rotary table, and the height of the rotary table is greatly reduced; the large arm hinge point 312 is arranged at the front lower part of the main body frame, a large arm hinge reinforcing plate 306 is added to support a hinge point, a welding shaft sleeve reinforces the position of the hinge point, and the large arm connecting hinge point is arranged below the hinge point of the oil cylinder, so that the installation is facilitated, and the height of the rotary table is reduced; the outer sides of the two hinge points are provided with lug plate limiting plates 310 which can prevent the pin shaft from rotating and can prevent the pin shaft from withdrawing after the cotter pin is installed.

A folding arm crane as shown in figures 13-14, comprising:

the base 1 is used for providing an installation base for the folding arm crane, the base 1 is connected to the compression garbage truck 0, the upper part of the base is connected with the turntable support 2, the base 1 is welded by adopting a thin plate to form an arched box body, and the arched box body is attached to the box body of the compression garbage truck 0;

the rotary table support 2 provides a basis for rotation of the folding arm crane and controls the folding arm crane to rotate clockwise or anticlockwise;

the rotary table 3 is arranged on the rotary table support 2, provides a foundation for connecting the rotary table support 2 and the large arm 4, and is provided with a hinge point of the large arm 4 and the large arm amplitude-variable oil cylinder 5, the rotary table 3 is formed by welding thin plates, the hinge point 313 of the large arm amplitude-variable oil cylinder is positioned in front of and above the rotary table 3, and the hinge point 312 of the large arm is positioned in front of and below the rotary table 3;

the tail end of the large arm 4 is hinged on a large arm hinge point 312 of the rotary table 3, and can rotate along a large arm hinge shaft on the rotary table 3 under the pushing and pulling of the large arm amplitude-variable oil cylinder 5;

the tail end of the large arm amplitude-variable oil cylinder 5 is hinged to a large arm amplitude-variable oil cylinder hinge joint 313 of the rotary table 3, and the head end of the large arm amplitude-variable oil cylinder is hinged to a first connecting plate 7 welded to the middle of the large arm 4 and used for providing power for driving the large arm 4 to rotate;

the tail end of the folding arm amplitude-variable oil cylinder 6 is hinged to a first connecting plate 7, and the head end of the folding arm amplitude-variable oil cylinder is hinged to a second connecting plate 8 welded to a folding arm 9 and used for providing power for driving the folding arm 9 to rotate;

the first connecting plate 7 is welded in the middle of the large arm 4 and is used for providing a hinged position for the head end of the large arm amplitude-variable oil cylinder 5 and the tail end of the folding arm amplitude-variable oil cylinder 6;

a second connecting plate 8 comprising: the folding arm comprises a main connecting plate 801, a first strip-shaped connecting plate 802 and a second strip-shaped connecting plate 803, wherein the main connecting plate 801 is welded at the tail end of a folding arm 9 and is hinged with the head end of a large arm 4, the first strip-shaped connecting plate 802 is hinged with the main connecting plate 801, one end of the second strip-shaped connecting plate 803 is hinged with the first strip-shaped connecting plate 802, the other end of the second strip-shaped connecting plate 803 is hinged with the head end of the large arm 4, the first strip-shaped connecting plate 802 and the second strip-shaped connecting plate 803 form a triangular structure, and the head end of a variable amplitude oil cylinder 6 of the folding arm is hinged on a shaft at one end of the second strip-shaped;

the tail end of the folding arm 9 is hinged to the first strip-shaped connecting plate 802, and the head end of the folding arm 9 is connected with the hook 10;

all near the pin joint outside one side all set up otic placode limiting plate for the installation of restriction by articulated part prevents that the round pin axle from rotating.

A folding arm 9 of a folding arm crane, as shown in the attached figures 15-16, comprises: a folding arm basic arm 901, a folding arm telescopic arm 902 and a folding arm telescopic oil cylinder 903, wherein the folding arm basic arm 901 and the folding arm telescopic arm 902 adopt hollow tubular structures, the folding arm telescopic arm 902 is inserted into the tube cavity of the folding arm basic arm 901, the folding arm telescopic oil cylinder 903 is positioned in the tube cavity of the folding arm telescopic arm 902 and the folding arm basic arm 901, and the tail end of the folding arm telescopic oil cylinder is hinged at the head end of the folding arm telescopic arm 902, the head end of the folding arm is hinged with the tail end of a folding arm basic arm 901, the tail end of the folding arm basic arm 901 is welded with a main connecting plate 801, a shaft hole is opened on the main connecting plate 801, a hinged shaft of a folding arm telescopic oil cylinder 903 is inserted, the tail end of the folding arm basic arm 901 is provided with a supporting rod 904, the supporting rod 904 supports the head end of a folding arm telescopic oil cylinder 903, a supporting ring 905 is arranged at the tail end of the folding arm telescopic arm 902, the supporting ring 905 supports the head end of the folding arm telescopic oil cylinder 903, the supporting rod 904 and the supporting ring 905 are used for controlling the folding arm telescopic arm 902 to stretch and retract along a straight line.

A control system for a knuckle boom crane, comprising: the remote controller, the transceiver, the electric cabinet controller, the sensor, the main valve, the hydraulic system and the alarm device;

the electric cabinet controller is used for receiving signals from the remote controller and the sensor and processing the signals; the remote controller comprises a display screen and control buttons;

the remote controller control button is used for sending out an instruction and transmitting the instruction to the electric cabinet controller, and the control button comprises: the power, scram, the gyration, change the width of cloth, roll over the arm, flexible button, power button control remote controller switch, press the scram button, all actions stop, gyration button control revolution system (gyration is supported 2 and is driven and roll over the arm and hang) rotatory, change the big arm of width of cloth button control 4 rotatory, it is rotatory to roll over arm button control and roll over arm 9, flexible button control rolls over arm 902 and stretches out and draws back, when the operation remote controller, the electric cabinet controller receives the signal and handles the back through the transceiver, export for the main valve, main valve control hydraulic system, hydraulic system carries out corresponding action, include: the large arm amplitude variation angle, the arm folding amplitude variation angle, the telescopic arm telescopic length and the rotation angle are adopted, the electric cabinet controller receives the rotation, amplitude variation, arm folding and telescopic signals of the remote controller and outputs the signals to the main valve according to the amplitude pushed by the rotation, amplitude variation, arm folding and telescopic button handle to obtain the opening of the main valve with the corresponding proportion and control the movement speed, when the electric cabinet controller receives the signals of the remote controller, the electric cabinet controller can delay slow start to avoid damage to equipment caused by thrust and jerk operations, when the electric cabinet controller reaches the movement limit position, the electric cabinet controller receives the signals of the sensor to slowly stop the action, and the damage to the equipment caused by the arrival of the movement limit position is reduced;

the alarm device comprises a three-color lamp and a loudspeaker; the sensor includes: the hydraulic control system comprises a folding arm angle sensor, a large arm amplitude-variable oil cylinder rod cavity pressure sensor, a rotary angle sensor and a system pressure sensor, wherein the folding arm angle sensor is installed on a hinged shaft at the tail end of a folding arm 9, the large arm angle sensor is installed on a hinged shaft at the tail end of a large arm 4, the large arm amplitude-variable oil cylinder rod cavity pressure sensor is arranged in a rod cavity of a large arm amplitude-variable oil cylinder 5, the rotary angle sensor is installed in a rotary control device 201, the system pressure sensor is installed at an outlet of a main valve, and a sensor signal is sent to an electric cabinet controller; the electric cabinet controller processes a sensor signal, receives a signal transmitted by a large-arm variable-amplitude oil cylinder rod cavity pressure sensor, outputs the signal to the tri-color lamp and the loudspeaker when the pressure exceeds 19Mpa, sends an early warning signal about overload, outputs the signal to the tri-color lamp and the loudspeaker when the pressure exceeds 21Mpa, and sends an overload alarm; the electric cabinet controller receives a signal transmitted from a system pressure sensor, and when the pressure exceeds 21Mpa, the signal is output to the three-color lamp and the loudspeaker to give an alarm, which indicates that the set system pressure is higher or the main valve is abnormal and other faults; the electric cabinet controller receives a rotation signal from the remote controller, outputs the signal to the main valve, executes the action, shields other actions given by the remote controller, and when the operation is rotated, the other actions are invalid, the signal transmitted by the system pressure sensor is received, when the pressure exceeds 8Mpa, the signal is output to the tri-color lamp and the loudspeaker, an early warning is given out, when the pressure exceeds 10Mpa, the signal is output to the tri-color lamp and the loudspeaker, an alarm is given out, the rotation support is abnormal or failed, when the pressure exceeds 16Mpa, the signal is output to the tri-color lamp and the loudspeaker, the alarm is given out, when the rotation signal is not output to the main valve, the action is not executed;

the remote controller display screen receives and shows the signal that comes from the electric cabinet controller through the transceiver, shows on the display screen and includes: the signal transmitted back by the sensor is as follows: the control system comprises a folding arm angle, a large arm angle, large arm amplitude-variable oil cylinder rod cavity pressure, a rotation angle, system pressure and actions (rotation clockwise and anticlockwise rotation; large arm (amplitude-variable) lifting, folding arm falling, telescopic arm stretching and retracting) corresponding to control signals sent by an electric cabinet controller, wherein the state of a folding arm crane can be seen at any time through a display screen and corresponding adjustment can be made;

advantages of the control system include: the remote controller is adopted to control operation, so that when the garbage can is loaded, an operator can conveniently operate the garbage can according to the working environment; when in operation, sending out early warning and alarming signals according to the data of the sensor to remind workers of safe operation; when the operation is rotated, other actions are invalid, so that accidents such as collision and the like are avoided when the folding arm crane integrally rotates; when overload or fault occurs, signals are transmitted to the three-color lamp and the loudspeaker, early warning and alarming are sent out, meanwhile, the signals are transmitted to the remote controller and displayed on a display screen of the remote controller, information is timely prompted to an operator, and the operator can conveniently and rapidly respond; the state of the folding arm crane can be seen from time to time through the display screen and corresponding adjustment can be made; the operation command sent by the electric cabinet controller is delayed and slowly started, so that the damage to equipment caused by the pushing and jerking operation is avoided; when the device is about to reach the movement limit position, the electric cabinet controller receives signals of the sensor, and the device slowly stops acting, so that damage to the device caused by reaching the limit position is reduced.

The above examples are only for illustrating the preferred embodiments of the present invention and are not to be construed as limiting the invention, and those skilled in the art can change the embodiments and applications of the present invention according to the spirit of the present invention, and the content of the present description should not be construed as limiting the invention.

Claims (10)

1. The utility model provides a roll over arm of hoist and mount formula garbage truck hangs which characterized in that includes: the base is used for providing an installation foundation for the folding arm crane, the base is connected to the compression garbage truck, the upper part of the base is connected with the turntable support, the base is an arched box body, and the arched box body is attached to the box body of the compression garbage truck; the rotary table support provides a rotating foundation for the folding arm crane; the rotary table is arranged on the rotary table support and provides a foundation for connecting the rotary table support and the large arm; the rotary table is connected to the rotary table support through a flange plate at the bottom through a bolt, a rotary table rotation limiting plate is installed on the flange plate, a rotation limiting column is installed on the machine base, and the rotary limiting plate and the rotation limiting column limit the rotation limiting position of the whole folding arm crane.

2. The folding arm crane for the hoisting type garbage truck as claimed in claim 1, wherein the rotation limiting column is installed on the left side of the base, and the turntable rotation limiting plate is installed on the left side of the flange plate.

3. The folding arm crane for the hoisting type garbage truck as claimed in claim 1, wherein the base is formed by welding plates, and the turntable is formed by welding plates.

4. The folding arm crane for the hoisting type garbage truck according to claim 1, further comprising: the foldable arm comprises a large arm, a large arm amplitude-variable oil cylinder, a foldable arm basic arm, a foldable arm telescopic oil cylinder and a foldable arm telescopic arm, wherein the foldable arm basic arm and the foldable arm telescopic arm are of hollow tubular structures, the foldable arm telescopic arm is inserted into a tube body cavity of the foldable arm basic arm, the foldable arm telescopic oil cylinder is located in the tube body cavity of the foldable arm telescopic arm and the foldable arm basic arm, a supporting rod is arranged at the tail end of the foldable arm basic arm, the supporting rod supports the head end of the foldable arm telescopic oil cylinder, a supporting ring is arranged at the tail end of the foldable arm telescopic arm, the supporting rod supports the head end of the foldable arm telescopic oil cylinder, and the supporting rod and the supporting ring are used for controlling the foldable arm telescopic arm to stretch and retract.

5. The folding arm crane for the hoisting type garbage truck as claimed in claim 4, wherein the large arm, the large arm amplitude-variable oil cylinder, the folding arm basic arm, the folding arm telescopic oil cylinder head and tail end and the folding arm telescopic arm tail end are all hinged, and ear plate limiting plates are arranged near one side of the outer sides of all hinged joints and used for limiting installation of hinged parts to prevent rotation of the pin shaft.

6. The folding arm crane for the hoisting type garbage truck as claimed in claim 1, wherein the bow-shaped end parts of the two ends of the bow-shaped box body of the machine base are provided with bolt holes, the bolt holes are symmetrically arranged on two sides of the bow-shaped end parts, and four high-strength bolts are used for positioning four points to penetrate through the bolt holes to connect the folding arm crane to the installation position of the compression garbage truck.

7. The folding arm crane for the hoisting type garbage truck as claimed in claim 6, wherein the high-strength bolt comprises a bolt rod, a nut and a clamping plate, the clamping plate is clamped in the bolt hole to play a limiting role, and the high-strength bolt is a riding bolt or a stud bolt.

8. The boom crane of a hoist-type garbage truck according to claim 1, wherein the turntable comprises: flange board, two blocks of curb plates, upper cover plate, apron down, the curb plate includes: the connecting end part of the side plate, the middle part of the side plate, the front inclined part of the side plate and the front part of the side plate are in a hook shape, the connecting end part of the side plate is welded on the flange plate, the highest position of the front inclined part of the side plate is provided with a large arm amplitude-variable oil cylinder hinged joint, the lower end of the front part of the side plate is provided with a large arm hinged joint, and the position of the large arm amplitude-variable oil cylinder hinged joint is higher.

9. The folding arm crane for the hoisting type garbage truck as claimed in claim 8, wherein the length of the upper cover plate and the lower cover plate corresponds to the side plate connecting end part and the side plate middle part of the side plate, a large arm luffing cylinder hinged reinforcing seat is welded at a position corresponding to the front oblique part of the side plate, a hole position corresponding to the hinge point of the large arm luffing cylinder is arranged on the large arm luffing cylinder hinged reinforcing seat, a large arm luffing cylinder hinged shaft sleeve is added at the inner side of the hole position for mounting the large arm luffing cylinder, the large arm luffing cylinder hinged reinforcing seat is formed by welding plates, a large arm hinged reinforcing plate is welded at a position corresponding to the front part of the side plate, a hole position corresponding to the hinge point of the large arm is arranged on the large arm hinged reinforcing plate, and a large arm hinged shaft sleeve is added at the inner.

10. The folding arm crane of the hoisting type garbage truck as claimed in any one of claims 1 to 9, wherein the folding arm crane further comprises a control system of the folding arm crane, and the control system adopts a remote controller to control the folding arm crane to perform actions.

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