CN203568802U - Oil supply rubber pipe pulley block of forklift three-stage gantry - Google Patents
Oil supply rubber pipe pulley block of forklift three-stage gantry Download PDFInfo
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- CN203568802U CN203568802U CN201320768536.9U CN201320768536U CN203568802U CN 203568802 U CN203568802 U CN 203568802U CN 201320768536 U CN201320768536 U CN 201320768536U CN 203568802 U CN203568802 U CN 203568802U
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- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 239000000446 fuel Substances 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000000007 visual effect Effects 0.000 abstract description 4
- 230000001174 ascending effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 62
- 230000007423 decrease Effects 0.000 description 9
- 230000000630 rising effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model provides an oil supply rubber pipe pulley block of a forklift three-stage gantry. The pulley block comprises a three-stage gantry, a fork frame, and two high pressure oil supply pipes, wherein the three-stage gantry consists of an outer gantry, a middle gantry and an inner gantry, the fork frame is used for fixing an accessory, the two high pressure oil supply pipes are used for connecting a forklift multi-way valve and the accessory, the lower end of an upper transverse beam of the middle gantry is symmetrically provided with two groups of back pulley assemblies, the bottom end of each back pulley assembly is provided with a back lifting oil cylinder, a front lifting oil cylinder is arranged between the inner gantry and the fork frame, the top end of the front lifting oil cylinder is provided with a front pulley assembly, and the two high pressure oil supply pipes extend out of the multi-way valve, respectively pass through the back pulley assemblies, then pass through the front pulley assembly together, and are connected with the accessory to supply oil. By reasonably arranging the high pressure oil supply pipes in a movable gap of the three-stage gantry through the three groups of pulleys, the high pressure oil supply pipes move together with the movement of the gantries, so the oil is enabled to be smoothly supplied to the accessory in the ascending and descending process of the forklift gantry, the visual field is broadened, and the cost is reduced.
Description
Technical field
The utility model relates to fork truck technical field, is specifically related to the confession oil rubber hose assembly pulley of three grades of door frames of a kind of fork truck.
Background technology
The basic function of the handling of fork truck, carrying and stack goods is comprised of door frame and accessory, in order to improve the lifting altitude of door frame or to reduce the minimum system height of fork truck, uses at present three grades of door frames more.Wherein three grades of door frames be by outer mast, in the three joint telescopic mountings that form of door frame, inner upright mounting.When door frame hoists, goods shelf moves along inner upright mounting, and in inner upright mounting edge, door frame moves, and middle door frame moves along outer mast, thereby has expanded door frame rise height.Lift truck attachment is generally by the hydraulic oil of fork truck, to provide its required power high pressure oil by two-way fuel feed pipe, makes accessory can successfully realize exercises.
Two-way fuel feed pipe is generally arranged in the inner side of forklift door frame, and in order to guarantee as accessory provides high pressure liquid force feed, fuel feed pipe need to move accordingly with rising, the decline of door frames at different levels in the course of the work, can not affect the smoothness of its pipeline fuel feeding.But because the running and comparing of three grades of door frames of fork truck is complicated, be arranged in oil feed line in the middle of door frame and be easily subject to door frame operation and interfere, and cause extruding, break, the phenomenon such as oil impregnate, obstruction.Generally that one group of fuel feed pipe is formed and is arranged in three grades of door frame inner sides by pulley, sebific duct at present; Another group fuel feed pipe adopts tube coiling appts to realize the folding and unfolding of hydralic hose.Wherein tube coiling appts is a kind ofly by spring, to realize the mechanism to high-pressure rubber pipe folding and unfolding, and due to the complete dependence on import of current domestic tube coiling appts, its price is high, once damage, also must again change, and this scheme cost is higher; Tube coiling appts is arranged on door frame outside in addition, take up room larger, in forklift operator process easily by damage.
Utility model content
The utility model is in order to solve the problems of the technologies described above, the confession oil rubber hose assembly pulley of three grades of door frames of a kind of fork truck is provided, realization is combined two groups of oil feed lines of accessory is all arranged in to three grades of door frame inner sides by pulley, sebific duct, also guarantees the operation visual field that truck driver is good when reducing production, maintenance cost.
The technical solution of the utility model is: the confession oil rubber hose assembly pulley of three grades of door frames of a kind of fork truck, comprise by outer mast, in three grades of door frames forming of door frame and inner upright mounting and the fixing goods shelf of accessory, and the two-way high-pressure oil feed pipe that connects forklift multi-way valve and accessory; The entablatrance lower end of described middle door frame is arranged with two groups of back pulley assemblies, and the bottom that is positioned at back pulley assembly is provided with rear lift oil tank; Between described inner upright mounting and goods shelf, be provided with front lift oil tank, the top of described front lift oil tank is provided with front wheel assembly; Described two-way high-pressure oil feed pipe from multiway valve out respectively by back pulley assembly, then together by front wheel assembly, be connected fuel feeding with accessory again.
Further, described inner upright mounting both sides are respectively provided with first four-way connection, from multiway valve high-pressure oil feed pipe out, by back pulley assembly, are connected with the first four-way connection, and this section of high-pressure oil feed pipe is secondary high-pressure rubber pipe; Described goods shelf is provided with the second four-way connection communicating with accessory oil circuit, and the high-pressure oil feed pipe by front wheel assembly between the first four-way connection and the second four-way connection is one-level high-pressure rubber pipe.
Further, for fear of door frame motion, cause the disturbing influence to fuel feed pipe, on described one-level high-pressure rubber pipe, secondary high-pressure rubber pipe, be equipped with the fixedly pipe clamp of use, they and inner upright mounting are fixed.
Further, described back pulley assembly comprises the after poppet of the entablatrance lower end that is fixed on middle door frame, and described after poppet is provided with back pulley; Front wheel assembly comprises the front frame being fixedly connected with inner upright mounting, and described front frame is provided with front wheel.
The utility model is the sebific duct assembly pulley of two groups of wide visuals field for oil circuit of accessory, three grades of door frames of fork truck, and its installation is simple, easy to maintenance, with low cost.For oil rubber hose assembly pulley, take three grades of each parts of door frame is the strong point, and makes full use of movement clearance between each parts and reasonable Arrangement, and high-pressure oil feed pipe is divided into two-stage pipeline, and the high-pressure oil feed pipe that is wherein arranged in front lift oil tank is one-level high-pressure rubber pipe; The high-pressure oil feed pipe that is arranged in rear lift oil tank is secondary high-pressure rubber pipe, two-stage pipeline moves with door frame in certain sequence, complete at three grades of door frames hoist, be the function of accessory fuel feeding in decline process, and avoided disturbing the normal fuel injection work for oil rubber hose assembly pulley because of rising or the descending motion of door frame.
So, the utlity model has following beneficial effect:
1, the utility model is by three groups of pulleys, high-pressure oil feed pipe is reasonably arranged in three grades of movement clearance between door frame, with door frame, move, guaranteed that the motion of high-pressure oil feed pipe mesohigh oil is smooth, without interfering, push, break, the phenomenon generation such as oil impregnate, obstruction, thereby complete at three grades of door frames hoist, be the function of accessory fuel feeding in decline process.
2, owing to not using import tube coiling appts, thereby greatly reduce cost, avoid tube coiling appts to be arranged in damageable situation outside door frame simultaneously.
3, the utility model is by three groups of pulley arrangements in the upper end of lift oil tank, and the diameter of pulley is little, and it takes up room little, thereby has greatly improved driver's the operation visual field, improves job safety.
4, between the one-level high-pressure rubber pipe in the utility model and secondary high-pressure rubber pipe, by four-way connection, be connected, valve body oil duct connection and reasonable arrangement due to four-way connection, make high pressure oil transmit that liquid resistance is little, loss of pressure is little, guarantee that its operation is smooth, guaranteed accessory action accurately.
5, high-pressure oil feed adaptor union of the present utility model position is few, reliable in structure, and easy accessibility, and reduced leakage of oil point, reduced fault rate;
6, in the utility model, one-level high-pressure rubber pipe is parallel forms twin-tube structure by front wheel assembly, makes to arrange in high-pressure oil feed Guan San level door frame compacter, and outward appearance is more simply attractive in appearance, and three grades of full free gantries that are applicable to different tonnages are used.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is structural front view of the present utility model;
Fig. 2 is structure left view of the present utility model;
In figure: 1-1 the first four-way connection, 1-2 the first four-way connection, 2-1 one-level high-pressure rubber pipe, 2-2 secondary high-pressure rubber pipe, 3-front wheel assembly, 4-outer mast, door frame in 5-, 6-inner upright mounting, 7-back pulley assembly, 8-pipe clamp, lift oil tank after 9-, lift oil tank before 10-, 11-goods shelf, 12-accessory, 13-multiway valve.
The specific embodiment
As shown in Figure 1, 2, the confession oil rubber hose assembly pulley of three grades of door frames of a kind of fork truck, comprise by outer mast 4, in three grades of door frames forming of door frame 5 and inner upright mounting 6 and the fixing goods shelf 11 of accessory 12, and the two-way high-pressure oil feed pipe of connection forklift multi-way valve 13 and accessory 12; The entablatrance lower end of described middle door frame 5 is arranged with two groups of back pulley assemblies 7, and the bottom that is positioned at back pulley assembly 7 is provided with rear lift oil tank 9; Between described inner upright mounting 6 and goods shelf 11, be provided with front lift oil tank 10, the top of described front lift oil tank 10 is provided with front wheel assembly 3; Described two-way high-pressure oil feed pipe from multiway valve 13 out respectively by back pulley assembly 7, then together by front wheel assembly 3, be connected fuel feeding with accessory 12 again.Inner upright mounting 6 both sides are respectively provided with a first four-way connection 1-1, from multiway valve 13 high-pressure oil feed pipe out, by back pulley assembly 7, are connected with the first four-way connection 1-1, and this section of high-pressure oil feed pipe is secondary high-pressure rubber pipe 2-2; Described goods shelf 11 is provided with the second four-way connection 1-2 communicating with accessory oil circuit, and the high-pressure oil feed pipe by front wheel assembly 3 between the first four-way connection 1-1 and the second four-way connection 1-2 is one-level high-pressure rubber pipe 2-1.
Further, for fear of door frame motion, cause the disturbing influence to fuel feed pipe, on described one-level high-pressure rubber pipe 2-1, secondary high-pressure rubber pipe 2-2, be equipped with the fixedly pipe clamp 8 of use, they and inner upright mounting are fixed.
Further, described back pulley assembly 7 comprises the after poppet of the entablatrance lower end that is fixed on middle door frame 5, and described after poppet is provided with back pulley; Front wheel assembly 3 comprises the front frame being fixedly connected with inner upright mounting 6, and described front frame is provided with front wheel.
High-pressure oil feed pipe forms the transfer passage that sebific duct assembly pulley is used as accessory propulsion source together with front wheel assembly 3, back pulley assembly 7 and four-way connection.It is the strong point that this sebific duct assembly pulley be take the major part of three grades of door frames, be arranged between each parts of door frame, with the hoisting of forklift door frame, decline and synchronized operation, high pressure oil in multiway valve 13 is sheathed on to the secondary high-pressure rubber pipe 2-2 on back pulley assembly 7 successively by high-pressure oil feed pipe, again by the first four-way connection 1-1 be sheathed on the one-level high-pressure rubber pipe 2-1 on front wheel assembly 3, finally by the second four-way connection 1-2, be transferred to accessory 12.
Sebific duct assembly pulley is as follows with forklift door frame operational process:
Process hoists:
Along with the motion that hoists of front lift oil tank 10, the front wheel assembly 3 that is arranged in front lift oil tank 10 tops rises thereupon, drive the one-level high-pressure rubber pipe 2-1 rising of sliding on front wheel assembly 3 simultaneously, at front lift oil tank 10 strokes, cover, goods shelf 11 rises and puts in place with front lift oil tank 10 motions, the the second four-way connection 1-2 being fixedly arranged on goods shelf 11 also rises and puts in place, and so far one-level high-pressure rubber pipe 2-1 and front wheel assembly 3 hoist and put in place;
Then, the starting of rear lift oil tank 9 hoists, the back pulley assembly 7 that is arranged in rear lift oil tank 9 tops drives the secondary high-pressure rubber pipe 2-2 rising of sliding on back pulley assembly 7, when back pulley assembly 7 strokes are covered, inner upright mounting 6 rises and puts in place thereupon, and the first four-way connection 1-1 being arranged on inner upright mounting 6 also rises and puts in place.So far sebific duct assembly pulley all hoists and puts in place with forklift door frame.
Decline process:
First rear lift oil tank 9 declines, the back pulley assembly 7 that is arranged in rear lift oil tank 9 tops drives the secondary high-pressure rubber pipe 2-2 decline of sliding on back pulley assembly 7, until after after lift oil tank 9 strokes cover, middle door frame 5 and inner upright mounting 6 fall to putting in place completely, and so far secondary high-pressure rubber pipe 2-2 and 7 declines of back pulley assembly put in place;
Then before, lift oil tank 10 starts to decline, the front wheel assembly 3 that is arranged in front lift oil tank 10 tops drives the one-level high-pressure rubber pipe 2-1 decline of sliding on front wheel assembly 3, after front lift oil tank 10 declines put in place, goods shelf 11 also declines and puts in place, being fixed on goods shelf 11 has accessory 12 declines to put in place, and the second four-way connection 1-2 being arranged on goods shelf 11 also declines and puts in place, one-level high-pressure rubber pipe 2-1 and front wheel assembly 3 decline and put in place.So far sebific duct assembly pulley all declines and puts in place with forklift door frame.
Above embodiment is not limited only to protection domain of the present utility model, all based on basic thought of the present utility model, modify or change all belong to protection domain of the present utility model.
Claims (4)
1. three grades of door frames of a fork truck for oil rubber hose assembly pulley, comprise by outer mast (4), in three grades of door frames forming of door frame (5) and inner upright mounting (6) and the fixing goods shelf (11) of accessory (12), and the two-way high-pressure oil feed pipe that connects forklift multi-way valve (13) and accessory (12), it is characterized in that: the entablatrance lower end of described middle door frame (5) is arranged with two groups of back pulley assemblies (7), the bottom that is positioned at back pulley assembly (7) is provided with rear lift oil tank (9); Between described inner upright mounting (6) and goods shelf (11), be provided with front lift oil tank (10), the top of described front lift oil tank (10) is provided with front wheel assembly (3); Described two-way high-pressure oil feed pipe from multiway valve (13) out respectively by back pulley assembly (7), then together by front wheel assembly (3), be connected fuel feeding with accessory (12) again.
2. three grades of door frames of fork truck according to claim 1 for oil rubber hose assembly pulley, it is characterized in that: described inner upright mounting (6) both sides are respectively provided with first four-way connection (1-1), from multiway valve high-pressure oil feed pipe out, by back pulley assembly (7), be connected with the first four-way connection (1), this section of high-pressure oil feed pipe is secondary high-pressure rubber pipe (2-2); Described goods shelf (11) is provided with the second four-way connection (1-2) communicating with accessory oil circuit, and the high-pressure oil feed pipe being positioned between the first four-way connection (1-1) and the second four-way connection (1-2) by front wheel assembly (3) is one-level high-pressure rubber pipe (2-1).
3. the confession oil rubber hose assembly pulley of three grades of door frames of fork truck according to claim 2, is characterized in that: on described one-level high-pressure rubber pipe (2-1), secondary high-pressure rubber pipe (2-2), be equipped with the fixedly pipe clamp of use (8).
4. the confession oil rubber hose assembly pulley of three grades of door frames of fork truck according to claim 1, is characterized in that: described back pulley assembly (7) comprises the after poppet of the entablatrance lower end that is fixed on middle door frame (5), and described after poppet is provided with back pulley; Front wheel assembly (3) comprises the front frame being fixedly connected with inner upright mounting (6), and on described front frame, height has front wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768536.9U CN203568802U (en) | 2013-11-29 | 2013-11-29 | Oil supply rubber pipe pulley block of forklift three-stage gantry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768536.9U CN203568802U (en) | 2013-11-29 | 2013-11-29 | Oil supply rubber pipe pulley block of forklift three-stage gantry |
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| Publication Number | Publication Date |
|---|---|
| CN203568802U true CN203568802U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320768536.9U Expired - Lifetime CN203568802U (en) | 2013-11-29 | 2013-11-29 | Oil supply rubber pipe pulley block of forklift three-stage gantry |
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| Country | Link |
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| CN (1) | CN203568802U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129738A (en) * | 2014-07-30 | 2014-11-05 | 安徽合力股份有限公司 | Forklift three-stage full-freedom portal assembly |
| CN104401909A (en) * | 2014-11-15 | 2015-03-11 | 安徽合叉叉车有限公司 | Five-valve pipeline arrangement structure of three-stage fully-free gantry of forklift truck |
| CN104500467A (en) * | 2014-12-23 | 2015-04-08 | 苏州先锋物流装备科技有限公司 | High-lift three-portal oil line |
| CN106315463A (en) * | 2016-08-19 | 2017-01-11 | 杭州港力液压机械有限公司 | Free lifting double-portal frame system |
| CN111704080A (en) * | 2020-05-21 | 2020-09-25 | 杭州叉车门架有限公司 | Oil circuit system of forklift gantry |
| CN112357838A (en) * | 2020-10-16 | 2021-02-12 | 安徽江淮银联重型工程机械有限公司 | Pipeline system of pallet fork distance-adjusting oil cylinder of forklift three-level full-free working device |
-
2013
- 2013-11-29 CN CN201320768536.9U patent/CN203568802U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129738A (en) * | 2014-07-30 | 2014-11-05 | 安徽合力股份有限公司 | Forklift three-stage full-freedom portal assembly |
| CN104401909A (en) * | 2014-11-15 | 2015-03-11 | 安徽合叉叉车有限公司 | Five-valve pipeline arrangement structure of three-stage fully-free gantry of forklift truck |
| CN104401909B (en) * | 2014-11-15 | 2016-08-17 | 安徽合叉叉车有限公司 | Fork truck three grades full free gantry five plate valve pipeline arranging structure |
| CN104500467A (en) * | 2014-12-23 | 2015-04-08 | 苏州先锋物流装备科技有限公司 | High-lift three-portal oil line |
| CN106315463A (en) * | 2016-08-19 | 2017-01-11 | 杭州港力液压机械有限公司 | Free lifting double-portal frame system |
| CN111704080A (en) * | 2020-05-21 | 2020-09-25 | 杭州叉车门架有限公司 | Oil circuit system of forklift gantry |
| CN111704080B (en) * | 2020-05-21 | 2021-08-31 | 杭州叉车门架有限公司 | Oil circuit system of forklift gantry |
| CN112357838A (en) * | 2020-10-16 | 2021-02-12 | 安徽江淮银联重型工程机械有限公司 | Pipeline system of pallet fork distance-adjusting oil cylinder of forklift three-level full-free working device |
| CN112357838B (en) * | 2020-10-16 | 2022-06-03 | 安徽江淮银联重型工程机械有限公司 | Pipeline system of pallet fork distance-adjusting oil cylinder of forklift three-level full-free working device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
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| CX01 | Expiry of patent term |