CN202016754U

CN202016754U - Raising and unloading device of loader

Info

Publication number: CN202016754U
Application number: CN2011200783516U
Authority: CN
Inventors: 赵同光
Original assignee: LAIZHOU DOUGONG MACHINERY CO Ltd
Current assignee: LAIZHOU DOUGONG MACHINERY CO Ltd
Priority date: 2011-03-23
Filing date: 2011-03-23
Publication date: 2011-10-26
Anticipated expiration: 2021-03-23

Abstract

The utility model discloses a raising and unloading device of a loader. The raising and unloading device comprises a large arm and the like, wherein the large arm and a middle arm are connected with a hydraulic control system, the other end of the middle arm is articulated with a connecting rod, a hopper base frame device comprises a first connecting pipe and the like, a rocker arm and a hoisting arm are respectively articulated with the upper and the lower ends of base frames through the first connecting pipe and second connecting pipes, the rear end of the rocker arm is articulated with the other end of the connecting rod, the hoisting arm is articulated with the other end of the large arm, a material turning hopper is arranged between the two base frames, the two base frames are articulated with the front ends of the material turning hopper, a first connecting base and a second connecting base are symmetrically welded on the second connecting pipes arranged on the left side and the right side of the rocker arm, a hook safety shaft is arranged between the first connecting base and the second connecting base, a linkage safety mechanism comprises a hook and the like, the hook, a connecting block and a pin shaft are vertically welded, the pin shaft is articulated with a base, the base is welded on the back face of the material turning hopper, the hook corresponds to the hook safety shaft, the other end of the connecting block is connected with one end of a control mechanism, and the other end of the control mechanism is fixed on the first connecting pipe. The raising and unloading device disclosed by the utility model has a large hoisting weight range and can increase unloading height.

Description

Loader increases discharging gear

Technical field

The utility model relates to the equipment technical field of loader, relates to a kind of loader specifically and increases discharging gear.

Background technology

Wheel type loader is that we are used for one of most important mechanical equipments in aspect such as transportation, loading and unloading and building operation in the activity of dirt product.Under the overall background of economic fast development of current China and the construction of propelling rural urbanization, to the demand of various loader in continuous expansion, though and large-duty loader lifting tonnage is big, discharge height is high, but huge because of its figure, cost an arm and a leg, the user who makes some limit by operating condition and insufficient funds is difficult to accept.Small sized loader salable in the market, though its small and exquisite flexible, cheap this gaps in market that remedied, but reflect according to market research and user: along with popularizing energetically of small sized loader, its use face is also more and more wider, as load and transport timber, bamboo pole, sugarcane, grain, chemical fertilizer and small-scale building operation and transport building materials etc., these events in operation all require loader that bigger lifting weight should be arranged, and enough discharge heights are arranged again.And existing traditional like product all is to lean forward discharged by the stirring bucket, as shown in Figure 1, existing loader discharging gear structural representation, comprise two big arms 1 ', middle arm 2 ', pipe link 3 ' and stirring bucket 4 ', middle part, rear surface welding first Connection Block 41 ' of stirring bucket 4 ', be positioned at the left side of first Connection Block 41 ', the right side is arranged with two second Connection Blocks 42 ' near the below, rear surface of stirring bucket 4 ', first Connection Block 41 ' is hinged with the upper end of pipe link 3 ', the lower end of pipe link 3 ' and the upper end of middle arm 2 ' are hinged, middle arm 2 ' lower end connects the first cylinder device (not shown), the upper end of two big arms 1 ' is hinged with two second Connection Blocks 42 ' respectively, the lower end of two big arms 1 ' connects the second cylinder device (not shown) respectively, during toward the hopper loading, controlling two big arms 1 ' by second cylinder device moves obliquely, controlling middle arm 2 ' by first cylinder device moves obliquely, make stirring bucket 4 ' be raised to the goods position, after having adorned goods in the stirring bucket 4 ', drive the lower end upward movement of pipe link 3 ' by middle arm 2 ', because the upper end of pipe link 3 ' is higher than the position of first Connection Block 41 ', when upward movement is continued in the lower end of pipe link 3 ', making stirring bucket 4 ' is to overturn downwards in the axle center with the jointed shaft of first Connection Block 41 ', and the goods in the stirring bucket 4 ' is drawn off.

The shortcoming that existing this loader discharging gear exists is: because the lifting of cargo handing position, existing discharging gear " need be increased lift arm and adds high level frame ", but the design-calculated words just need to reduce lifting weight like this, make the range of use of this discharging gear diminish like this.

The utility model content

The purpose of this utility model provides a kind of loader and increases discharging gear, and its lifting weight range is big and can improve discharge height.

In order to realize such scheme; Technical solution of the present utility model is: a kind of loading machine heightening unloading device; Comprise two big arms; Middle arm; Connecting rod and turning hopper; Described big arm be connected an end of arm and be connected with hydraulic control system respectively; An end of the other end of arm and described connecting rod is hinged in described; Wherein also comprise hopper abase frame device; Handle controlling organization and two interlock insurance institutions that turning hopper is rotated for two; Described hopper abase frame device comprises first; Two tube connectors; Rocking arm; Two lift arms and two abase frame; By the center described rocking arm that is arranged in order of two ends to the left and right; Two lift arms and two abase frame upper; The lower end is respectively by first; Two tube connectors are hinged; The rear end of described rocking arm and the other end of described connecting rod are hinged; The rear end of described lift arm and the other end of described big arm are hinged; Described turning hopper is arranged between two abase frame; Two anterior front end left and right sides with described turning hopper of described abase frame are hinged; Be positioned at a described rocking arm left side; Be symmetrically welded two first on second tube connector on right side; Two Connection Blocks; Two described first; Two Connection Blocks are arranged between two described lift arms; Described second Connection Block is between first Connection Block and rocking arm; Described first; Be provided with the hook safety axis between two Connection Blocks; Each described interlock insurance institution comprises hook; Base and contiguous block; The afterbody of described hook; The afterbody of contiguous block respectively with the bearing pin vertical welding together; Isolate and be between described hook and the contiguous block angle is arranged; Described bearing pin and described base are hinged; The bottom surface of two described bases is symmetrically welded in the left and right sides of described turning hopper lower backside; Two described hooks are corresponding with two described hook safety axis positions; The other end of described contiguous block is connected with an end of described controlling organization, and the other end of described controlling organization is fixed on described first tube connector.

The utility model loader increases discharging gear, wherein each described control system comprises hydraulic actuating cylinder, be arranged at the piston rod in the hydraulic actuating cylinder, movable pulley and the chain that is installed on the movable pulley, described lifting is put near on the wall of first Connection Block and vertically is provided with and the cooresponding rifled pipe in the first Connection Block top, the lower end of described hydraulic actuating cylinder is connected by bolted splice with the upper end of the described rifled pipe and first Connection Block, moving pulley bracket is installed in the upper end of described piston rod, described movable pulley is installed on the support, described chain is installed on the movable pulley, one end of described chain is captiveed joint with the upper end of described contiguous block, and the other end of described chain is fixedly installed on first connection pipe.

After adopting such scheme, the utility model loader increases discharging gear and is connected hopper abase frame device by the upper end at big arm and middle arm, at the hinged stirring bucket of the abase frame front end of hopper abase frame device, when control mechanism is worked, hook breaks away from hook insurance axle, control mechanism drives stirring bucket upward movement, the stirring bucket is along rotating with abase frame pivotally attached axle afterwards, upset unloading after the stirring bucket is risen, when control mechanism is not worked, hang on the hook insurance axle, the utility model loader increases discharging gear and is handled upward movement and flip-flop movement by control system, makes loader can guarantee that lifting weight can improve discharge height by the motion between abase frame device and the stirring bucket again.

Description of drawings

Fig. 1 is the structural representation of existing loader discharging gear;

Fig. 2 is the structural representation that the utility model loader increases discharging gear;

Fig. 3 is the utility model hopper abase frame device and control mechanism bonded assembly backsight structural representation;

Fig. 4 is the schematic perspective view of the utility model hopper abase frame device;

Fig. 5 is the utility model interlock safety mechanism structural representation.

The specific embodiment

To shown in Figure 5, the utility model loader increases discharging gear and comprises two big arms 1, middle arm 2, pipe link 3, stirring bucket 4 in conjunction with Fig. 2, and hopper abase frame device 5, the big arm 1 of two are handled control mechanism 6 and two interlock safety mechanisms 7 that stirring bucket, 4 rotates. be connected an end of arm 2 and be connected with the hydraulic control system (not shown) respectively; The other end of middle arm 2 and an end of connecting rod 3 are hinged by bearing pin; In conjunction with Fig. 3 and shown in Figure 4; Hopper abase frame device 5 comprises first tube connector 51; Second tube connector 52; Rocker arm 53; Two lift arms 54 and two abase frame 55; By the center Rocker arm 53 that is arranged in order of two ends to the left and right; On two lift arms 54 and two abase frame 55; The lower end is respectively hinged by first tube connector 51 and second tube connector 52; The other end of the rear end of Rocker arm 53 and connecting rod 3 is hinged by bearing pin; The rear end of lift arm 54 is hinged by bearing pin with the other end of big arm 1; Turning hopper 4 is arranged between two abase frame 55; Two abase frame 55 anterior front end left and right sides with turning hopper 4 are hinged by bearing pin; Be positioned at Rocker arm 53 left sides; Be symmetrically welded two first Connection Blocks 56 and two second Connection Blocks 57 on second tube connector 52 on right side; Two first Connection Blocks 56 and two second Connection Blocks 57 are arranged between two lift arms 54; Second Connection Block 57 is between first Connection Block 56 and Rocker arm 53; Be vertically welded with the riffled tube 541 corresponding with first Connection Block, 56 tops near on the wall of first Connection Block 56 on the lift arm 54; Be fixed with hook safety axis 58 between second Connection Block 57 and first Connection Block 56; Each control system 6 comprises hydraulic cylinder 61; Be arranged at the piston rod 62 in the hydraulic cylinder 61; Movable pulley 63 and the chain 64 that is installed on the movable pulley 63; The lower end of hydraulic cylinder 61 is connected by bolted splice with the upper end of riffled tube 541 and first Connection Block 56; Moving pulley bracket 65 is installed in the upper end of piston rod 62; Movable pulley 63 is installed on the support 65, and chain 64 is installed on the movable pulley 63. In conjunction with shown in Figure 5, each interlock safety mechanism 7 comprises hook 71, base 72 and contiguous block 73, the afterbody of hook 71 and the afterbody of contiguous block 73 are vertically welded in bearing pin 74 respectively, separate also in a certain angle between hook 71 and the contiguous block 73, bearing pin 74 is articulated and connected with base 72, the bottom surface of two bases 72 is symmetrically welded in the left and right sides of stirring bucket 4 lower backside, two hooks 71 are corresponding with the position of two hook insurance axles 58, one end of chain 64 is captiveed joint with the upper end of contiguous block 73, and the other end of chain 64 is fixedly installed on first connection pipe 51.

The utility model loader increases discharging gear when hydraulic actuating cylinder 61 is not worked, chain 64 is in relaxed state, hook 71 hooks hook insurance axle 58, hopper abase frame device 5 and stirring bucket 4 are connected as a single entity, this is that loader still can unload by traditional approach, when hydraulic actuating cylinder 61 work, and tension chain 64, hook 71 and hook insurance axle 58 break away from, and make stirring bucket 4 edges and the upset of hopper abase frame device 5 jointed shafts and the height that raises.

During unloaded of cargo, the utility model loader increases discharging gear and is connected hopper abase frame device 5 by the upper end at big arm 1 and middle arm 2, the hinged stirring bucket 4 of abase frame 55 front ends at hopper abase frame device 5, when control mechanism 6 work, be that hydraulic actuating cylinder 61 heads on piston rod 62 upward movements, piston rod 62 drives movable pulley 63 upward movements, chain 64 upward movements that movable pulley 63 drives on it, chain 64 is tightened up the contiguous block 73 that drives simultaneously on it and rotates along bearing pin 74, bearing pin 74 rotations drive hook 71 and break away from hook insurance axle 58, chain 64 drives stirring bucket 4 upward movements, drives stirring bucket 4 simultaneously and begins turning along the jointed shaft axle center of stirring bucket 4 with hopper abase frame device 5.When the stroke of hydraulic actuating cylinder 61 reaches terminal point, can reach stirring bucket 4 and increase discharged purpose.When the hydraulic actuating cylinder 61 of control mechanism 6 is not worked, hook 71 hangs on the hook insurance axle 58, the utility model loader increases discharging gear and is handled upward movement and flip-flop movement by control system, under the relative center of gravity unmodified of lifting thing prerequisite, make loader can guarantee that lifting weight can improve discharge height by the motion between abase frame device and the stirring bucket again with loader.

The above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineering staff in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.

Claims

1. loading machine heightening unloading device; Comprise two big arms (1); Middle arm (2); Connecting rod (3) and turning hopper (4); Described big arm (1) be connected an end of arm (2) and be connected with hydraulic control system respectively; An end of the other end of arm (2) and described connecting rod (3) is hinged in described; It is characterized in that: also comprise hopper abase frame device (5); Handle controlling organization (6) and two interlock insurance institutions (7) that turning hopper (4) is rotated for two; Described hopper abase frame device (5) comprises first; Two tube connectors (51; 52); Rocking arm (53); Two lift arms (54) and two abase frame (55); By the center described rocking arm (53) that is arranged in order of two ends to the left and right; Two lift arms (54) and two abase frame (55) upper; The lower end is respectively by first; Two tube connectors (51; 52) hinged; The other end of the rear end of described rocking arm (53) and described connecting rod (3) is hinged; The other end of the rear end of described lift arm (54) and described big arm (1) is hinged; Described turning hopper (4) is arranged between two abase frame (55); The anterior front end left and right sides with described turning hopper (4) of two described abase frame (55) is hinged; Be positioned at described rocking arm (a 53) left side; Be symmetrically welded two first on second tube connector (52) on right side; Two Connection Blocks (56; 57); Two described first; Two Connection Blocks (56; 57) be arranged between two described lift arms (54); Described second Connection Block (57) is positioned between first Connection Block (56) and the rocking arm (53); Described first; Two Connection Blocks (56; 57) be provided with hook safety axis (58) between; Each described interlock insurance institution (7) comprises hook (71); Base (72) and contiguous block (73); The afterbody of described hook (71); The afterbody of contiguous block (73) respectively with bearing pin (74) vertical welding together; Isolate and be between described hook (71) and the contiguous block (73) angle is arranged; Described bearing pin (74) is hinged with described base (72); The bottom surface of two described bases (72) is symmetrically welded in the left and right sides of described turning hopper (4) lower backside; Two described hooks (71) are corresponding with two described hook safety axis (58) position; The other end of described contiguous block (73) is connected with an end of described controlling organization (6), and the other end of described controlling organization (6) is fixed on described first tube connector (51).

2. loader as claimed in claim 1 increases discharging gear, it is characterized in that: each described control system (6) comprises hydraulic actuating cylinder (61), be arranged at the piston rod (62) in the hydraulic actuating cylinder (61), movable pulley (63) and be installed on chain (64) on the movable pulley (63), described lift arm (54) is gone up near on the wall of first Connection Block (56) and vertically is provided with and the cooresponding rifled pipe in first Connection Block (56) top (541), the lower end of described hydraulic actuating cylinder (61) is connected by bolted splice with the upper end of described rifled pipe (541) and first Connection Block (56), moving pulley bracket (65) is installed in the upper end of described piston rod (62), described movable pulley (63) is installed on the support (65), described chain (64) is installed on the movable pulley (63), one end of described chain (64) is captiveed joint with the upper end of described contiguous block (73), and the other end of described chain (64) is fixedly installed on first connection pipe (51).