Opening/locking mechanism of swing arm type transport trolley removable box cover
Technical field
The invention belongs to the goods transport technical field, more particularly is that the case lid on a kind of removable box cover that is configured in the swing arm type transport trolley opens/locking mechanism.
Background technology
The swing arm type transport trolley is that to come shipping goods, active box by means of the active box (custom is referred to as suspension bucket) of configuration on it be container as loading or turnover, is widely used in building industry, industrial and mining enterprises, environmental sanitation industry or the like industry.For example, the steel plant in the industrial and mining enterprises are used for adorning scrap iron, cinder, and and for example environmental sanitation department is used for loading and transporting rubbish.
Owing to be not provided with case lid (custom is called the suspension bucket lid) on the previous activities case, so the opening of case lid/locking mechanism also has no way of referring to.Be placed in when being in travelling position on the car by the swing arm on the swing arm type transport trolley at the active box of the no case lid of filling goods, can cause the unrestrained of goods in the case, safety, the feature of environmental protection are all poor.In view of this, the active box of being furnished with lid is just noted, is paid attention to by people and has been seen in use.Figure 1 shows that a kind of removable box cover that matches with active box opens/locking mechanism, it is to install a connecting rod mechanism that is promoted by the connecting rod power cylinder on the tank wall of the subframe front end of vehicle additional, promotes case lid 1 by connecting rod mechanism again, makes case lid 1 On/Off.This structure occurs shedding good effect in transit to preventing goods, can embody the safety and the feature of environmental protection on certain program.But have following obvious defective: one, case lid 1 self shows as the version of overarm, and whole case lid 1 only depends on hinge and subframe tank wall hinged, and opens/the elongated span of connecting rod of locking mechanism is big, is subjected to easy unstability after the side force and causes accident; Two, the opening/close enough spatial altitude guarantees must be arranged of case lid 1, because the opening/close under the situation of reality, vehicle tend to be subjected to drive other object on ground is for example set the obstruction of fork, aerial line and is difficult to make case lid to open/close.For example when there was the various circuit that the low latitude sets up in the top corresponding to case lid 1, opening/closing of case lid 1 was just powerless, unless vehicle moves the position; Three, if filled goods in the active box, after opening case lid 1, by swing arm active box is expanded to this section process of state shown in the figure before unloading from level, because of case lid 1 separates with active box prematurely, therefore goods is very easy in the case shakes off, fly to spill, cause safety, the feature of environmental protection can fully not ensure, and for example hang in the process that moves on the car from terrace at the active box that will fill goods by swing arm, because of case lid 1 does not produce tube bank to active box case mouth, there be trembling leakage of goods equally, if the active box of rubbish is equipped with in handling, can cause secondary pollution so.
The applicant also retrieves, searched Chinese patent Granted publication CN2401407Y, and disclosing increases the auxiliary mechanism that the swing arm type self-discharging transporter unloads the case degree of depth, and disclosing has active box, but active box is uncovered, is not furnished with case lid.Therefore can't know from this patented technology scheme that being intended to solve case lid shown in Figure 1 opens/the technology enlightenment of the technological deficiency that locking mechanism brought.
Summary of the invention
Task of the present invention is to provide a kind of case lid can unstability and cause opening/close and can not being subjected to other object disturbing influence, can ensureing the relation of following in sb's footsteps between case lid and the active box and avoid active box getting on the bus/unloading occurring in the process opening/locking mechanism of swing arm type transport trolley removable box cover that goods shakes off, flies to spill of unexpected, case lid.
Task of the present invention is finished like this, opening/locking mechanism of a kind of swing arm type transport trolley removable box cover, it comprises that two ends are hinged on and is extended in being used for the cross sill 21 on the hinged each other hinge seat 18 of a pair of case lid 1 on a pair of case lid 1, the a pair of case lid bont that is located at using of described cross sill 21 two ends respectively and a pair of case lid 1 is promoted by cross sill 21, the one two ends hub setting parallel with cross sill 21 used a pair of swing arm 13 hub settings axis of revolution 2 on its end, two ends for transport trolley on a pair of case lid bont, a pair of be nested with last axis of revolution 2 axle heads and be intrinsic chain stays 10 in order to the chain 14 that connects with active box 25, a pair ofly be attached at usefulness on cross sill 21 and a pair of case lid 1 so that the case lid turning device of a pair of case lid 1 upset, at least one locating guide device that guarantee cross sill 21 and last axis of revolution 2 are located each other and led of using that is set between described cross sill 21 and the last axis of revolution 2.
A pair of case lid bont of the present invention comprises crossbeam hanger 19 respectively, cylinder seat 7, a pair of case lid lift cylinder 6, crossbeam hanger 19 is fixed on the beam face of end of cross sill 21, offer a pair of cylinder post hole 20 on it respectively, the central authorities of cylinder seat 7 offer and are used for for the last time shaft hole 8 that carry bearing 9 of described end hub setting of going up axis of revolution 2 on it, two sides of cylinder seat 7 offer case lid lift cylinder hole, a pair of case lid lift cylinder 6 is hung down and is placed in the described case lid lift cylinder hole, and the cylinder post 15 of case lid lift cylinder 6 is stretched over and passed through described cylinder post hole 20 and links with crossbeam hanger 19.
Crossbeam hanger 19 of the present invention is inverted echelon form, the bottom is narrow contracts, and the top expansion is established, the narrow position of contracting is fixed in any one mode in welding or riveted joint or the bolted connection on the beam surface of cross sill 21, expands the two ends establish the position and offers respectively and use the cylinder post hole of passing through for described cylinder post 15 20.
A pair of case lid turning device of the present invention respectively is a case lid upset cylinder 23, and the position that is provided with each other keeps corresponding, and the end of cylinder body separately is hinged on the sidepiece of cross sill 21, and the front end of cylinder post separately is hinged on the cooresponding a pair of case lid 1.
Locating guide device of the present invention has two covers, is located at described crossbeam hanger 19 sides respectively.
Locating guide device of the present invention comprises guide pillar 5 and guide pin bushing 4, and guide pillar 5 hangs down solid on the beam surface of cross sill 21, and guide pin bushing 4 is outstanding solid on last axis of revolution 2, guide pillar 5 and guide pin bushing 4 corresponding and cooperatively interact.
Case lid lift cylinder 6 of the present invention is any one in cylinder or the oil cylinder.
Case lid upset cylinder 23 of the present invention is any one in cylinder or the oil cylinder.
The end of the cylinder body of case lid upset cylinder 23 of the present invention is hinged on the sidepiece at the position placed in the middle of cross sill 21, and the front end of cylinder post is hinged on the position placed in the middle of case lid 1 Width.
The position of chain stays 10 of the present invention on last axis of revolution 2 axle heads occupy between cylinder seat 7 and the swing arm 13.
One of advantage of the present invention can be divided into two into the view picture case lid in the prior art clam of binding, and opens and closes the required space of case lid and almost can ignore, thus case lid can unstability and case lid open/close Shi Buhui and be subjected to influencing of external object; Two, winch to terrace or hang oneself in car brand-name process by terrace and toppling in the process of goods in the case on transport trolley at active box, case lid can be followed all the time in active box, with the active box relation that keeping following in sb's footsteps, therefore, can prevent effectively that goods from shaking off, flying to spill; Three, can embody the safety and the feature of environmental protection.
Description of drawings
Fig. 1 opens/locking mechanism for the removable box cover that matches with active box in the prior art.
Fig. 2 is an example structure figure of the opening of swing arm type transport trolley removable box cover of the present invention/locking mechanism.
Fig. 3 takes case lid for the opening of swing arm type transport trolley removable box cover of the present invention/locking mechanism and is configured in an application example figure on the active box that places on the transport trolley.
Figure 4 shows that active box is moved to the running condition figure on the terrace on the swing arm type transport trolley.
Figure 5 shows that the constitution diagram when goods is by removal in the active box.
The specific embodiment
By the following DETAILED DESCRIPTION OF THE PREFERRED that accompanying drawing is represented, can be clear that the features and advantages of the present invention more.
In Fig. 2, provided and shown as a pair of case lid 1 ined succession in back separately on the whole for the opening of configuration swing arm type transport trolley removable box cover of the present invention/locking mechanism, the clam shell of the same size that this is ined succession just as two lobes mutually to case lid 1 is hinged by a pair of hinge seat 18 usefulness pivot pins 16 that extend on it each other.Shown in the figure is not unique through bearing pin 16 with the bearing pin hinge mode that a pair of case lid 1 is hinged by hinge seat 18 yet, for example can be hinged by means of hinge structure common in the prior art.In the preferred performance hinge mode of passing through a pair of bearing pin 16 hinges in the drawings is example, in the time of on a pair of pivot pin 16 is planted a pair of hinge seat 18, make a pair of pivot pin 16 pass through the default pin hole in cross sill 21 two ends earlier, thereby take cross sill 21 and be hinged on a pair of hinge seat 18 by pivot pin 16.Cross sill 21 constitutes the portal frame shape on the whole, and two ends are its crossbeam pivot pin seat 17, and the pin hole that described pivot pin 16 just passed through on the crossbeam pivot pin seat 17 is realized cross sill 21 to be hinged together with hinge seat 18.
The case lid bont has a pair of, because its structure and residing position are identical, so the applicant selects one of them and describe, promptly at right-hand case lid bont narration that shows among Fig. 2.Crossbeam hanger 19 is installed in the beam end of body of cross sill 21, the cross section of overall beam hanger 19 is inverted echelon form, it is its narrow contracting in bottom, the narrow degree that contracts equates with the beam body width of cross sill 21 haply, so that making the bottom integrated ground of crossbeam hanger 19 and the surface of beam body carries out solid welding or carries out bolt admittedly with bolt, therefore the influence effect preferably adopts welding manner in order to prevent crossbeam hanger 19 from occurring loosening on cross sill 21.The top expansion of crossbeam hanger 19 is established, and expansion described here is established and is meant that top is longer than the bottom, offers cylinder post hole 20 at the two ends that expansion is established.The global shape of cylinder seat 7 slightly is horizontal or claims horizontally-arranged I-shape, its central authorities offer shaft hole 8 last time, bearing 9 is set in the hole, is useful on the seat ear that a pair of case lid lift cylinder 6 is set, offer case lid lift cylinder mounting hole on the seat ear upper and lower the extending respectively of two sides of double-tee cylinder seat 7.Described a pair of case lid lift cylinder 6 is separately positioned on the described seat ear, and the cylinder post 15 of case lid lift cylinder 6 also passed through described cylinder post hole 20, is rotated with the nut of illustrating among the figure 11 as fastener, thereby makes on the whole cylinder seat 7 located transverse arm hangers 19.If what the swing arm type transport trolley was adopted is hydraulic oil system, case lid lift cylinder 6 so described here is an oil cylinder; And if pneumatic system, case lid lift cylinder 6 is a cylinder so, finally selects the case lid lift cylinder 6 of which kind of form, then should decide on the concrete system that the swing arm type transport trolley is adopted, and the case lid upset cylinder 23 that will mention below in like manner.When the cylinder post 15 of case lid lift cylinder 6 bounces back in cylinder body or in the title cylinder chamber, just can drive cross sills 21 by crossbeam hanger 19 by cylinder post 15, take a pair of case lid 1 by cross sill 21 and promote, vice versa.
Be arranged in cross sill 21 tops and be stretched over the described shaft hole 8 last time that bearing 9 is housed with the parallel columned two ends of going up axis of revolution 2 of cross sill 21, and stretch out shaft hole 8 one segment distances last time, the part that stretches out is referred to as the axis of revolution axle head, is nested with chain stays 10 and fastening swing arm 13 at last axis of revolution axle head.It on the chain stays 10 end of intrinsic a pair of case lid chain 14, the in addition end of a pair of case lid chain 14 or extension or button or hook are put on by a pair of chain hanging feet 33 that is positioned at active box 25 sidepieces shown in Fig. 2, and mat chain stays 10 makes the organic binding of formation between case lid 1 and the swing arm type transport trolley by case lid chain 14.The upper end of the swing arm 13 that the swing arm type transport trolley is intrinsic is secured to the axis of revolution axle head by swing arm hole 12.
As the end separately of a pair of case lid upset cylinder 23 of case lid turning device is that end is hinged on and extends on cross sill 21 middle part pair of hinge lugs 22, and the other end then is hinged by the front end of separately cylinder post and is extending on the hinge ear 24 on a pair of case lid 1.Consider the effect equilibrium of forces that can make a pair of case lid upset cylinder 23 a pair of case lid 1 that acts on, then make the position of a pair of case lid upset cylinder 23 occupy 1/2nd places of case lid 1 Width as much as possible, promptly placed in the middle, and a pair of case lid upset cylinder 23 is preferably and is symmetrical arranged, and promptly do not make them be in the state of shifting to install.
Though mat plays location between axis of revolution 2 and the cross sill 21 and the locating guide device of directional tagging shows two covers in the drawings, yet this quantity is not unique, may be as few as a cover, also can as many as three covers, the present invention is chosen as two covers in a preferred manner.Every cover locating guide device comprises guide pillar 5, guide pin bushing 4, press shown in the figure, with guide pillar 5 solid welding vertically on the beam surface of cross sill 21, guide pin bushing 4 outstanding being fixed on the axis of revolution 2, on last axis of revolution 2, offer the guide pillar hole of passing through for guide pillar 53 corresponding to guide pin bushing 4, when cross sill 21 promoted, guide pillar 5 just extend in the guide pin bushing 4, so be stretched in the guide pillar hole 3.As the guide pillar guide pin bushing version of the guide pillar 5 that constitutes locating guide device, guide pin bushing 4 can also the side's of employing tenon formula or locking hood type in any one.
In Fig. 3, show that the opening of the swing arm type transport trolley removable box cover of the present invention that carries case lid 1/locking mechanism is configured in a kind of mode of operation on the active box of being located on the swing arm type transport trolley 25, even also case lid 1 lid closes on the case mouth of active box 25.Also show original swing arm cylinder 32 that is used to promote swing arm 13 motions on the swing arm type transport trolley, swing arm cylinder 32 has a pair of, synchronously act on a pair of swing arm 13 respectively, and the manner of execution of swing arm cylinder 32 also becomes with the pneumatic system or the hydraulic efficiency pressure system of swing arm type transport trolley, promptly both can be cylinder, also can be oil cylinder.The rear end of a pair of swing arm cylinder 32 links by the vehicle frame 30 of swing arm cylinder seat 31 with transport trolley, and cylinder post separately and swing arm 13 link, and the following end hook of swing arm 13 fits over and extends in the rotating shaft next time 29 on the vehicle frame 30 of transport trolley.And then show the hook axle 27 of genus prior art category intrinsic on the vehicle frame 30 that is positioned at the swing arm type transport trolley and an end can with hook axle 27 hooks join and the hook 26 that links of the hauling rope 28 of end and swing arm type transport trolley in addition.
By the description content of applicant to Fig. 2, Fig. 3, can know when the upper and lower parallel handling active box 25 of swing arm type transport trolley, case lid 1 can unroll and go up axis of revolution 2 and rotate, and makes case lid 1 remain invariant position with active box 25, is accompanied by the motion of active box 25 and moves.And when dumping goods, active box 25 is in swing arm 13 and link up with and rotate around rotating shaft next time 29 under 26 the effect; Because case lid 1 upwards retraction is limited on the axis of revolution 2, it can not rotate around last axis of revolution 2 again, can only rotate around rotating shaft next time 29 with swing arm 13, so case lid 1 also fixes with the relative position of active box 25, can not produce because the upset of active box 25 and interfering with case lid 1; Operating altitude when whole swing arm type transport trolley worked to active box 25 greatly reduces, and is very favourable to conserve space.
For the ease of understanding the present invention further, the applicant is the working condition that example is set forth the active box 25 that disposes the opening of swing arm type transport trolley removable box cover of the present invention/locking mechanism with Fig. 4 and Fig. 5 respectively.Configuration with the swing arm type transport trolley is that hydraulic efficiency pressure system is an example, so, swing arm cylinder 32, the receiving/releasing rope power cylinder (not shown) that drives hauling rope 28, case lid lift cylinder 6, case lid upset cylinder 23 are hydraulic ram, are connected with the hydraulic pressure distribution device of the hydraulic efficiency pressure system of vehicle by hydraulic oil pipeline.
In Fig. 4, the Hydraulic Pump by the swing arm type transport trolley provides total system power, and operation drives the receiving/releasing rope power cylinder of hauling rope 28, makes hauling rope 28 put rope, makes hook 26 be directed downwards to face upward around rotating shaft next time 29 and breaks away from from hook axle 27.Need not to operate case lid lift cylinder 6 this moment, even also guide pillar 5 and guide pin bushing 4 natural separation make case lid 1 and case lid bont of the present invention, case lid turning device etc. freely rotate around last axis of revolution 2 by the bearing 9 of cylinder seat 7; Then operate swing arm cylinder 32, make swing arm 13 action and since before link up with 26 pine from hook axle 27, therefore when swing arm 13 actions, active box 25 beginnings by on the car to the terrace translation, realize that active box 25 is hung oneself from car to move to the ground.Case lid 1 in this process is followed all the time in active box 25, because because cylinder seat 7 is free to rotate with chain stays 10, so in the process of handling active box 25, case lid 1 is identical with the degreeof turn of active box 25, the relative position that is case lid 1 and active box 25 also is changeless, both guaranteed in the handling process, can not interfere with each other between the case lid 1 and active box 25, having guaranteed again that case lid 1 covers all the time puts on the case mouth of active box 25, need not resemble active box 25 is moved the prior art.When active box 25 is hung move on the terrace or claim specific application target ground after, as long as case lid chain 14 is taken off from chain hanging feet 33, drive behind other places with car, chain 14 is buckled on the chain hanging feet 33 of another active box 25 that goods such as rubbish such as slag and so on are housed, active box 25 on even keels are hung on vehicle from terrace by aforementioned opposite operating sequence.Hang in the process that moves on the car at the active box 25 that aforementioned goods will be housed, a pair of case lid 2 covers the case oral area position of putting at active box 25 from start to finish, can not occur shaking off, shed.
In Fig. 5, as description, provide total system power by Hydraulic Pump to Fig. 4, the receiving/releasing rope power cylinder of operation driving hauling rope 28 makes hauling rope 28 receive rope, hook 26 is upwards overturn around rotating shaft next time 29 hook hook axle 27; Then operate case lid lift cylinder 6, a pair of case lid 1 is promoted, guide pillar 5 is stretched in the guide pin bushing 4, by the retraction of cylinder post in cylinder body of case lid upset cylinder 23, a pair of case lid 1 is opened then, be expanded to back locking to greatest extent; Operate swing arm 13 action again since before link up with 26 and hooked hook axle 27, therefore when swing arm 13 actions, driving active box 25 dumps goods.In this process, because case lid 1 has been subjected to the qualification of axis of revolution 2, so in tilting procedure, case lid 1 is identical with the degreeof turn of last axis of revolution 2, the relative position that is case lid 1 and active box 25 also is changeless, thereby both guaranteed that case lid 1 can not interfered mutually with active box 25 in the unloading process, and guaranteed the reasonable unlatching of case lid 1 again and need not to take into account the spatial obstacle factor when opening.After the unloading, the operating sequence that active box 25 is returned to the home position is with aforementioned opposite.