CN103979464B - Hydraulic efficiency pressure system is combined for fork truck pusher and sideshifter - Google Patents
Hydraulic efficiency pressure system is combined for fork truck pusher and sideshifter Download PDFInfo
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- CN103979464B CN103979464B CN201410224460.2A CN201410224460A CN103979464B CN 103979464 B CN103979464 B CN 103979464B CN 201410224460 A CN201410224460 A CN 201410224460A CN 103979464 B CN103979464 B CN 103979464B
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Abstract
The invention provides and a kind ofly combine hydraulic efficiency pressure system for fork truck pusher and sideshifter, the two-way high-pressure and hydraulic oil circuit comprising pusher, multiway valve and be made up of the first high-pressure rubber pipe, the second high-pressure rubber pipe, third high moulding Guan Yu tetra-high-pressure rubber pipe, the front end of described pusher connects an integrated lateral moving device, and described integrated lateral moving device comprises framework, sidesway oil cylinder; Described integrated lateral moving device front end is provided with the second four-way connection and the 3rd four-way connection, and the cross sill of described framework is also furnished with the first four-way connection and the 4th four-way connection together; The oil circuit that first high-pressure rubber pipe and the 4th high-pressure rubber pipe are connected to form is the hydraulic circuit driving integrated lateral moving device to carry out left and right sidesway; The oil circuit that second high-pressure rubber pipe and third high moulding pipe are connected to form drives pusher to carry out the hydraulic circuit released and regain.Simplify the layout of pipeline, expand chaufeur visual range, and reduce bulking block, reduce to lose and carry distance, improve the load-carrying capacity of fork truck.
Description
Technical field
The present invention relates to forklift hydraulic system, be specifically related to a kind ofly combine hydraulic efficiency pressure system for fork truck pusher and sideshifter.
Background technology
Fork truck be mainly used in the industries such as tobacco, food, weaving, electronics, printing for loading and unloading member pallet cargo, the wheeled carrying vehicle of reach of stacking and short range hauling operation, be specially adapted at narrow opening and narrow job space.Conveniently the fork of goods is got and stacking, and improve alerting ability and the handling efficiency of fork truck, forklift door frame is equipped with door frame sideshifter, and sideshifter can allow the goods left and right lateral displacement certain distance on pallet fork, is specially adapted to the various workplaces of carrying fork truck and stacking.But because existing sideshifter is mounted on goods shelf, can only realize goods left and right lateral displacement function, and can not realize it and longitudinally release function, its function is more single.
In order to adapt to multi-function operation, invention at present mounts a pusher for realizing the release function of goods in the front of sideshifter.Namely hung type sideshifter forms three parts overlaying structures between pusher and goods shelf, and it totally loses and carries apart from comparatively large, and causes that fork truck load-carrying capacity declines, forklift workability efficiency is not high.In addition, the two-way high-pressure oil feed pipe connected in forklift hydraulic system between multiway valve and accessory forms two independent loops respectively by four-way connection, realizes sidesway and releases function.In order to pipeline reasonable Arrangement, four-way connection is installed on the crossbeam of goods shelf, and the bend pipe at sebific duct and four-way connection place can take hydraulic fluid port upper space, complicated layout, and presentation quality is poor, and after assembling, its pipeline connects more messy; In addition, during device operation, device integral lifting certain altitude, messy pipe just in time blocks driver's seat, affects chaufeur normal operation.
Summary of the invention
The present invention is in order to solve the problems of the technologies described above, and what be provided for fork truck pusher and sideshifter combines hydraulic efficiency pressure system, adopts two groups of loops, the left and right sides shifting function realizing crotch respectively with release function; And simplify piping layout, increase the visual range of chaufeur.
Technical scheme of the present invention is: combine hydraulic efficiency pressure system for fork truck pusher and sideshifter, the two-way high-pressure and hydraulic oil circuit comprising pusher, multiway valve and be made up of the first high-pressure rubber pipe, the second high-pressure rubber pipe, third high moulding Guan Yu tetra-high-pressure rubber pipe, the front end of described pusher connects an integrated lateral moving device, and described integrated lateral moving device comprises framework, sidesway oil cylinder; Described integrated lateral moving device front end is provided with the second four-way connection and the 3rd four-way connection, and the cross sill of described framework is also furnished with the first four-way connection and the 4th four-way connection together;
Two of described second four-way connection to be communicated with in hydraulic fluid ports that one is connected with the first high-pressure rubber pipe, another is connected with the 3rd plate valve in described multiway valve; Another two of second four-way connection to be communicated with in hydraulic fluid ports that one is connected with the second high-pressure rubber pipe, another is connected with the 4th plate valve in multiway valve;
Two of described 3rd four-way connection to be communicated with in hydraulic fluid ports that one is connected with the 4th high-pressure rubber pipe, another is connected with the 3rd plate valve in described multiway valve; Another two of 3rd four-way connection to be communicated with in hydraulic fluid ports that one is connected with third high moulding pipe, another is connected with the 4th plate valve in multiway valve;
Two in described first four-way connection are communicated with hydraulic fluid port and are connected with the first high-pressure rubber pipe, sidesway oil cylinder respectively, and another two the connection hydraulic fluid ports in the first four-way connection are connected with the back cavity of the ejection cylinder in third high moulding pipe, pusher respectively;
Two in described 4th four-way connection are communicated with hydraulic fluid port and are connected with the 4th high-pressure rubber pipe, sidesway oil cylinder respectively; Another two connection hydraulic fluid ports in 4th four-way connection are connected with the ante-chamber of the ejection cylinder in the second high-pressure rubber pipe, pusher respectively.
Further, the two ends of the framework upper beam of the front end of described pusher respectively establish upper hook, underbeam two ends respectively to establish a lower draw-bar; The upper and lower crossbeam of the framework of described integrated lateral moving device is respectively equipped with notch, lower notch; Described pusher is fixedly connected with bolt with upper and lower notch tabling by upper and lower hook with between integrated lateral moving device.
Further, described first four-way connection is connected with sidesway oil cylinder by the first connection rubber tube; Described 4th four-way connection is connected by the second connection rubber tube sidesway oil cylinder.
Further, one end of described first connection rubber tube is connected with the left chamber of sidesway oil cylinder by joint, the other end is connected with the first four-way connection by bend pipe; One end of described second connection rubber tube is connected with sidesway right cavity of cylinder by joint, the other end is connected with the 4th four-way connection by bend pipe.
Further, the first four-way connection is connected with the back cavity of the ejection cylinder in pusher by the 3rd connection rubber tube; 4th four-way connection is connected with the ante-chamber of the ejection cylinder in pusher by the 4th connection rubber tube.
In this patent, integrated lateral moving device is existing product, and its concrete structure is open already, as patent 201020101880.9, is mainly made up of outside frame, inner frame, oil cylinder etc.
In this hydraulic efficiency pressure system, the connection of each high-pressure rubber pipe is specially: first high-pressure rubber pipe one end is connected with the 3rd plate valve in multiway valve by the second four-way connection, the other end is connected with sidesway oil cylinder by the first four-way connection; Second high-pressure rubber pipe one end is connected with the 4th plate valve in multiway valve by the second four-way connection, the other end is connected with the ante-chamber of the ejection cylinder in pusher by the 4th four-way connection; Third high moulding pipe one end is connected with the 4th plate valve in multiway valve by the 3rd four-way connection, the other end is connected with the back cavity of the ejection cylinder in pusher by the first four-way connection; 4th high-pressure rubber pipe one end is connected with the 3rd plate valve in multiway valve by the 3rd four-way connection, the other end is connected with sidesway oil cylinder by the 4th four-way connection.
The oil circuit that wherein the first high-pressure rubber pipe and the 4th high-pressure rubber pipe are connected to form is the hydraulic circuit driving integrated lateral moving device to carry out left and right sidesway; The oil circuit that second high-pressure rubber pipe and third high moulding pipe are connected to form drives pusher to carry out the hydraulic circuit released and regain.
This product has the advantage of following aspect compared with prior art products:
1. integrated lateral moving device is directly installed on forklift door frame by this patent, and the effect can playing former goods shelf can realize sideward sliding function again, when namely completing sidesway action, does not need goods shelf to have coordinated.Thus reduce bulking block, and reduce a mistake year distance, improve the load-carrying capacity of fork truck.
2, the aft end face of integrated lateral moving device and the front end face of pusher fit tightly and are fixed together by this patent, make fork truck can realize sideward sliding function and can also realize releasing function, improve the operation function of fork truck.
3, the hydraulic efficiency pressure system of this patent adopts four four-way connections that two-way high-pressure and hydraulic oil circuit is carried out reasonable combination, thus simplifies the layout of pipeline, pipeline is connected reliable, promotes presentation quality; And because oil circuit connection and reasonable arrangement is orderly, expand chaufeur visual range, chaufeur operational security improves, the raising of forklift workability efficiency can be easy to assembling maintenance.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Fig. 1 is perspective view of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is back view of the present invention.
Fig. 4 is birds-eye view of the present invention.
Fig. 5 is the pusher structural representation in the present invention.
Fig. 6 is the integrated lateral moving device structural representation in the present invention.
Fig. 7 is the piping layout schematic diagram of the integrated lateral moving device in the present invention.
Fig. 8 is the C portion structure for amplifying schematic diagram in Fig. 7.
In figure: 1-pusher, the upper hook of 1-1,1-2 lower draw-bar; 2-integrated lateral moving device, the upper notch of 2-1, notch under 2-2,2-3 framework, 2-4 sidesway oil cylinder; 3-1 first four-way connection, 3-2 second four-way connection, 3-3 the 3rd four-way connection, 3-4 the 4th four-way connection; 4-1 first high-pressure rubber pipe, 4-2 second high-pressure rubber pipe, 4-3 third high moulding pipe, 4-4 the 4th high-pressure rubber pipe; 5-1 first connection rubber tube, 5-2 second connection rubber tube, 5-3 the 3rd connection rubber tube, 5-4 the 4th connection rubber tube; 6-joint, 7-bend pipe.
Detailed description of the invention
As Figure 1-3, hydraulic efficiency pressure system is combined, the two-way high-pressure and hydraulic oil circuit comprising pusher 1, multiway valve and be made up of the first high-pressure rubber pipe 4-1, the second high-pressure rubber pipe 4-2, third high moulding pipe 4-3 and the 4th high-pressure rubber pipe 4-4 for fork truck pusher and sideshifter.
As shown in Figure 5, the two ends of the framework upper beam of the front end of pusher (1) are respectively established on one and are linked up with 1-1, underbeam two ends respectively establish a lower draw-bar 1-2.
As shown in Figure 6,7, the upper and lower crossbeam that integrated lateral moving device 2 comprises framework 2-3, sidesway oil cylinder 2-4, framework 2-3 is respectively equipped with notch 2-1, lower notch 2-2.Described integrated lateral moving device 2 front end is provided with the second four-way connection 3-2 and the 3rd four-way connection 3-3, and the cross sill of described framework 2-3 is also furnished with the first four-way connection 3-1 and the 4th four-way connection 3-4 together.
As shown in Figure 1, be fixedly connected with bolt with upper and lower notch tabling by upper and lower hook between pusher 1 with integrated lateral moving device 2.
As shown in Figure 4, in four hydraulic fluid ports of the first four-way connection 3-1, hydraulic fluid port 3-11 is communicated with hydraulic fluid port 3-12, and hydraulic fluid port 3-13 is communicated with hydraulic fluid port 3-14;
In four hydraulic fluid ports of the second four-way connection 3-2, hydraulic fluid port 3-21 is communicated with hydraulic fluid port 3-22, and hydraulic fluid port 3-23 is communicated with hydraulic fluid port 3-24;
In four hydraulic fluid ports of the 3rd four-way connection 3-3, hydraulic fluid port 3-31 is communicated with hydraulic fluid port 3-32, and hydraulic fluid port 3-33 is communicated with hydraulic fluid port 3-34;
In four hydraulic fluid ports of the 4th four-way connection 3-4, hydraulic fluid port 3-41 is communicated with hydraulic fluid port 3-42, and hydraulic fluid port 3-43 is communicated with hydraulic fluid port 3-44.
As shown in Figure 7,8, the high-pressure rubber pipe in two-way high-pressure oil passage and the annexation between four-way connection: hydraulic fluid port 3-21 and the first high-pressure rubber pipe 4-1 of the second four-way connection 3-2 are connected, hydraulic fluid port 3-22 is connected with the 3rd plate valve in multiway valve; The hydraulic fluid port 3-23 of the second four-way connection 3-2 is connected with the second high-pressure rubber pipe 4-2, hydraulic fluid port 3-24 is connected with the 4th plate valve in multiway valve;
The hydraulic fluid port 3-34 of described 3rd four-way connection 3-3 is connected with the 4th high-pressure rubber pipe 4-4, hydraulic fluid port 3-33 is connected with the 3rd plate valve in multiway valve; The hydraulic fluid port 3-31 of the 3rd four-way connection 3-3 is connected with third high moulding pipe 4-3, hydraulic fluid port 3-32 is connected with the 4th plate valve in multiway valve;
Hydraulic fluid port 3-11 in described first four-way connection 3-1 is connected with the left chamber of sidesway oil cylinder 2-4 by bend pipe, the first connection rubber tube 5-1, joint successively, and hydraulic fluid port 3-12 is connected with the first high-pressure rubber pipe 4-1; Hydraulic fluid port 3-14 in first four-way connection 3-1 is connected with third high moulding pipe 4-3, hydraulic fluid port 3-13 is connected with the back cavity of the ejection cylinder in pusher 1 by the 3rd connection rubber tube 5-3;
Hydraulic fluid port 3-43 in described 4th four-way connection 3-4 is connected with the 4th high-pressure rubber pipe 4-4, hydraulic fluid port 3-44 is connected with the right chamber of sidesway oil cylinder 2-4 by bend pipe 7, second connection rubber tube 5-2, joint 6 successively; Hydraulic fluid port 3-41 in 4th four-way connection 3-4 is connected with the second high-pressure rubber pipe 4-2, hydraulic fluid port 3-42 is connected with the ante-chamber of the ejection cylinder in pusher 1 by the 4th connection rubber tube 5-4.
So the working process of hydraulic efficiency pressure system is as follows in this patent:
Employing two groups layout arranged by high-pressure rubber pipe in this patent in two-way high-pressure oil passage, and wherein first group is connected to form sidesway loop with the 3rd plate valve in forklift multi-way valve, realizes the left and right sides shifting function of integrated lateral moving device; Second group to be connected to form with the 4th plate valve in forklift multi-way valve and to release loop, realizes the release of fork truck pusher, drawing back function.Detailed process is as follows:
1, in first via high-pressure and hydraulic oil circuit, sideshifter realizes left side shift action: oil-feed process is: high pressure oil flows out through the oil outlet end of the 3rd plate valve, successively through the right chamber of the 3rd four-way connection 3-3, the 4th high-pressure rubber pipe 4-4, the 4th four-way connection 3-4, the second connection rubber tube 5-2, sidesway oil cylinder 2-4, realize sideshifter and move to the left; Oil return process is: high pressure oil flows out from the left chamber of sidesway oil cylinder 2-4, returns in the 3rd plate valve and forms sidesway loop successively through the first connection rubber tube 5-1, the first four-way connection 3-1, the first high-pressure rubber pipe 4-1, the second four-way connection 3-2;
2, in first via high-pressure and hydraulic oil circuit, sideshifter realizes the sequence of operation into and out of the same left side of face movement of oily process of right side shift action on the contrary, and when namely right side is moved, high pressure oil has the oil-feed of left chamber, the oil return of right chamber from sidesway oil cylinder.
3, the projecting motion of pusher in the second road high-pressure and hydraulic oil circuit: oil-feed process is: high pressure oil flows out through the oil outlet end of the 4th plate valve, enter the back cavity of the ejection cylinder in pusher 1 successively through the 3rd four-way connection 3-3, third high moulding pipe 4-3, the first four-way connection 3-1, the 3rd connection rubber tube 5-3, realize projecting motion; Oil return process is: high pressure oil flows out from the ante-chamber of the ejection cylinder pusher 1, returns in the 4th plate valve to be formed and releases loop successively through the 4th connection rubber tube 5-4, the 4th four-way connection 3-4, the second high-pressure rubber pipe 4-2, the second four-way connection 3-2;
4, withdrawal action contrary with the order of above-mentioned projecting motion into and out of oily process of pusher in the second road high-pressure and hydraulic oil circuit, when namely pusher is regained, high pressure oil flows into from the ante-chamber of ejection cylinder, flows out from the back cavity of ejection cylinder.
Above embodiment is not limited only to protection scope of the present invention, all modify based on basic thought of the present invention or change all belong to protection scope of the present invention.
Claims (5)
1. combine hydraulic efficiency pressure system for fork truck pusher and sideshifter, the two-way high-pressure and hydraulic oil circuit comprising pusher (1), multiway valve and be made up of with the 4th high-pressure rubber pipe (4-4) the first high-pressure rubber pipe (4-1), the second high-pressure rubber pipe (4-2), third high moulding pipe (4-3), it is characterized in that: the front end of described pusher (1) connects an integrated lateral moving device (2), described integrated lateral moving device (2) comprises framework (2-3), sidesway oil cylinder (2-4); Described integrated lateral moving device (2) front end is provided with the second four-way connection (3-2) and the 3rd four-way connection (3-3), and the cross sill of described framework (2-3) is also furnished with the first four-way connection (3-1) and the 4th four-way connection (3-4) together;
Two of described second four-way connection (3-2) to be communicated with in hydraulic fluid ports that one is connected with the first high-pressure rubber pipe (4-1), another is connected with the 3rd plate valve in described multiway valve; Another two of second four-way connection (3-2) to be communicated with in hydraulic fluid ports that one is connected with the second high-pressure rubber pipe (4-2), another is connected with the 4th plate valve in multiway valve;
Two of described 3rd four-way connection (3-3) to be communicated with in hydraulic fluid ports that one is connected with the 4th high-pressure rubber pipe (4-4), another is connected with the 3rd plate valve in described multiway valve; Another two of 3rd four-way connection (3-3) to be communicated with in hydraulic fluid ports that one is connected with third high moulding pipe (4-3), another is connected with the 4th plate valve in multiway valve;
Two in described first four-way connection (3-1) are communicated with hydraulic fluid port and are connected with the first high-pressure rubber pipe (4-1), sidesway oil cylinder (2-4) respectively, and another two the connection hydraulic fluid ports in the first four-way connection (3-1) are connected with the back cavity of the ejection cylinder in third high moulding pipe (4-3), pusher (1) respectively;
Two in described 4th four-way connection (3-4) are communicated with hydraulic fluid port and are connected with the 4th high-pressure rubber pipe (4-4), sidesway oil cylinder (2-4) respectively; Another two connection hydraulic fluid ports in 4th four-way connection (3-4) are connected with the ante-chamber of the ejection cylinder in the second high-pressure rubber pipe (4-2), pusher (1) respectively.
2. according to claim 1ly combine hydraulic efficiency pressure system for fork truck pusher and sideshifter, it is characterized in that: the upper beam two ends of the framework of the front end of described pusher (1) respectively establish upper hook (1-1), underbeam two ends respectively to establish a lower draw-bar (1-2); The upper and lower crossbeam of the framework (2-3) of described integrated lateral moving device (2) is respectively equipped with notch (2-1), lower notch (2-2); Be fixedly connected with bolt with upper and lower notch tabling by upper and lower hook between described pusher (1) with integrated lateral moving device (2).
3. according to claim 1ly combine hydraulic efficiency pressure system for fork truck pusher and sideshifter, it is characterized in that: described first four-way connection (3-1) is connected with sidesway oil cylinder (2-4) by the first connection rubber tube (5-1); Described 4th four-way connection (3-4) is connected with sidesway oil cylinder (2-4) by the second connection rubber tube (5-2).
4. according to claim 3ly combine hydraulic efficiency pressure system for fork truck pusher and sideshifter, it is characterized in that: one end of described first connection rubber tube (5-1) is connected with sidesway oil cylinder (2-4) left chamber by joint (6), the other end passes through bend pipe (7) and is connected with the first four-way connection (3-1); One end of described second connection rubber tube (5-2) is connected with sidesway oil cylinder (2-4) right chamber by joint (6), the other end is connected with the 4th four-way connection (3-4) by bend pipe (7).
5. according to claim 1ly combine hydraulic efficiency pressure system for fork truck pusher and sideshifter, it is characterized in that: the first four-way connection (3-1) is connected with the back cavity of the ejection cylinder in pusher (1) by the 3rd connection rubber tube (5-3); 4th four-way connection (3-4) is connected with the ante-chamber of the ejection cylinder in pusher (1) by the 4th connection rubber tube (5-4).
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| CN201410224460.2A CN103979464B (en) | 2014-05-26 | 2014-05-26 | Hydraulic efficiency pressure system is combined for fork truck pusher and sideshifter |
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| CN201410224460.2A CN103979464B (en) | 2014-05-26 | 2014-05-26 | Hydraulic efficiency pressure system is combined for fork truck pusher and sideshifter |
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| CN103979464B true CN103979464B (en) | 2016-04-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105129675B (en) * | 2015-06-19 | 2018-07-24 | 合肥工业大学 | The multi-functional handling labour of telescopic arm forklift truck makees device |
| CN110525901A (en) * | 2019-08-06 | 2019-12-03 | 安庆联动属具股份有限公司 | Sidesway clamped-in style load push-pull |
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| CN201777831U (en) * | 2010-05-31 | 2011-03-30 | 安徽合力股份有限公司安庆车桥厂 | Hanging type pusher for forklift |
| CN102795574A (en) * | 2012-09-04 | 2012-11-28 | 安徽合力股份有限公司 | Fork truck attachment push-puller |
| CN202808286U (en) * | 2012-06-25 | 2013-03-20 | 安庆联动属具股份有限公司 | External hanging type lateral movement distance-adjusting device for fork truck |
| CN203048516U (en) * | 2012-12-25 | 2013-07-10 | 安徽江淮银联重型工程机械有限公司 | Integral type accessory pipeline |
| CN203865988U (en) * | 2014-05-26 | 2014-10-08 | 安徽合力股份有限公司 | Joint hydraulic system for forklift ejector and side shifter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002193595A (en) * | 2000-12-26 | 2002-07-10 | Nippon Yusoki Co Ltd | Hydraulic hose piping device for forklift |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201777831U (en) * | 2010-05-31 | 2011-03-30 | 安徽合力股份有限公司安庆车桥厂 | Hanging type pusher for forklift |
| CN202808286U (en) * | 2012-06-25 | 2013-03-20 | 安庆联动属具股份有限公司 | External hanging type lateral movement distance-adjusting device for fork truck |
| CN102795574A (en) * | 2012-09-04 | 2012-11-28 | 安徽合力股份有限公司 | Fork truck attachment push-puller |
| CN203048516U (en) * | 2012-12-25 | 2013-07-10 | 安徽江淮银联重型工程机械有限公司 | Integral type accessory pipeline |
| CN203865988U (en) * | 2014-05-26 | 2014-10-08 | 安徽合力股份有限公司 | Joint hydraulic system for forklift ejector and side shifter |
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