CN211419495U - Pipeline arrangement structure of forklift gantry - Google Patents
Pipeline arrangement structure of forklift gantry Download PDFInfo
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- CN211419495U CN211419495U CN201921863213.1U CN201921863213U CN211419495U CN 211419495 U CN211419495 U CN 211419495U CN 201921863213 U CN201921863213 U CN 201921863213U CN 211419495 U CN211419495 U CN 211419495U
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Abstract
The utility model relates to a pipeline arrangement structure of a forklift gantry, which comprises an oil cylinder, a gantry and an oil pipe; the gantry comprises a fixed frame and a movable frame, and pulleys are arranged at the upper end of a piston rod of the oil cylinder; the oil cylinder drives the movable frame to lift relative to the fixed frame through a chain wound around the pulley, and is characterized in that a pipe groove is formed in the outer side of the chain along the length direction of the chain, and the corresponding part of the oil pipe is fixedly embedded into the pipe groove and moves synchronously with the chain. The oil pipe is arranged on the plastic pipe groove of the novel chain and moves along with the chain when the gantry is lifted, so that the lifting of the gantry is matched, and the oil pipe cannot be damaged due to too large tensile force, so that the arrangement space of the oil pipe is saved to the maximum extent, and the structure is compact and reasonable; meanwhile, the side cylinders and the corresponding pulleys, chains and oil pipes of the side cylinders are arranged in the operating view range in the portal frame as few as possible, so that the shielding of the side cylinders and the corresponding pulleys, chains and oil pipes of the side cylinders on the view is obviously reduced, and the view is improved.
Description
Technical Field
The utility model relates to a fork truck portal field especially relates to a fork truck portal pipeline arrangement field.
Background
As shown in fig. 1, chinese utility model with publication number CN208454431U discloses a fork truck three-section full-free portal rubber tube pulley block, be equipped with double-row pulley and small pulley in the support assembly, interior portal bottom end rail upper end is equipped with the steel pipe assembly, steel pipe assembly one end is connected with first high-pressure rubber tube and second high-pressure rubber tube, steel pipe assembly and second high-pressure rubber tube intercommunication are passed through to third high-pressure rubber tube one end, steel pipe assembly and first high-pressure rubber tube intercommunication are passed through to fourth high-pressure rubber tube one end, and first high-pressure rubber tube and second high-pressure rubber tube take the formula of stacking to arrange in portal one side, and third high-pressure rubber tube month fourth high-pressure rubber tube direct layout is on the chain. Although the prior art increases the visual field space and has no phenomena of interference, extrusion, breakage, oil leakage, blockage and the like in the motion process of the portal frame, a plurality of pulley blocks are used, the structure is more complex, and the structure is not compact enough.
As shown in fig. 2, chinese utility model with publication number CN207738405U discloses a hydraulic pipeline arrangement structure of a three-stage mast of a forklift truck, wherein a pulley i is arranged above the rear end of the three-stage mast, and a plate-type hydraulic joint is arranged below the rear end; the fork arm carrier is characterized in that a pulley II is arranged on a piston end of a middle oil cylinder on the three-stage portal, a high-pressure rubber pipe I connected with a hydraulic system of a fork truck is fixed at the middle part of the rear end of the three-stage portal through a pipe clamp I, the high-pressure rubber pipe I upwards bypasses the pulley I and then downwards is connected with one end of a plate-type hydraulic connector, the other end of the plate-type hydraulic connector is connected with a high-pressure rubber pipe II, the high-pressure rubber pipe II is fixed on the rear end face of a fixing frame of the middle oil cylinder through a pipe clamp II, the pulley II upwards bypasses the pulley II and then downwards is connected with a bent pipe type hydraulic connector fixed. The utility model discloses arrange neatly, the pipeline contact is few, and installation, maintenance are succinct, but the structure is comparatively complicated, compact inadequately.
Disclosure of Invention
In order to solve the above problem, an object of the present invention is to provide a pipeline layout structure that maximally saves the layout space of oil pipes and has a compact and reasonable structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a pipeline arrangement structure of a forklift gantry comprises an oil cylinder, a gantry and an oil pipe; the gantry comprises a fixed frame and a movable frame, and pulleys are arranged at the upper end of a piston rod of the oil cylinder; the oil cylinder drives the movable frame to lift relative to the fixed frame through a chain wound around the pulley, and is characterized in that a pipe groove is formed in the outer side of the chain along the length direction of the chain, and the corresponding part of the oil pipe is fixedly embedded into the pipe groove and moves synchronously with the chain. The oil pipes in the triple linkage and the quadruple linkage are arranged on the plastic pipe grooves of the novel chains and move along with the chains when rising and falling, so that the arrangement space of the oil pipes is saved to the maximum extent, and the structure is compact and reasonable.
Furthermore, the oil cylinder comprises a side cylinder and a middle cylinder, the door frame comprises an inner door frame, a middle door frame, an outer door frame and a fork frame, the body part of the middle cylinder is arranged on the inner door frame, a first pulley is arranged at the upper end of a piston rod of the middle cylinder, a first chain is arranged along the first pulley, one end of the first chain is connected with the fork frame, and the other end of the first chain is fixedly connected with the inner door frame or the middle cylinder body after bypassing the first pulley. The inner gantry is connected with the fork frame by the first chain bypassing the pulley on the middle cylinder arranged on the inner gantry, so that when the piston rod of the middle cylinder moves up and down, one end of the first chain is fixed, the middle part of the first chain ascends and descends along with the wound pulley, the other end of the first chain moves up and down, and the fork frame connected with the first chain is driven to move up and down.
Furthermore, the side cylinder body part is arranged on the outer door frame, a second pulley is arranged at the upper end of a piston rod of the side cylinder body part, a rotating shaft of the second pulley is fixedly arranged on the middle door frame, a second chain is arranged along the second pulley, one end of the second chain is connected with the outer door frame, and the other end of the second chain is fixedly connected with the inner door frame or the middle cylinder body after bypassing the second pulley. The second chain is used for bypassing the pulley arranged on the middle portal frame to connect the inner portal frame and the outer portal frame, when the piston rod of the side cylinder moves up and down, the middle portal frame is connected with the top of the piston rod and also moves up and down, the second chain is fixed with the connecting end of the outer portal frame, and the wound second pulley is fixed on the middle portal frame and moves up and down, so that the other end of the second chain is driven to move up and down, and the inner portal frame connected with the second chain is driven to move up and down.
Furthermore, the oil pipe can reach the bottom end of the inner gantry after passing by the second pulley through the outer gantry, and then is connected with a front accessory fixedly arranged on the fork frame after passing by the first pulley. The oil pipe comprises two sections: the first section of oil pipe is arranged on the first chain, one end of the first section of oil pipe is connected with the front attachment, the other end of the first section of oil pipe is connected with the inner portal frame, the front attachment is relatively fixed with the fork frame, the traction force required by the fork frame in the lifting process relative to the outer portal frame is borne by the first chain, so that the traction force in the oil pipe direction on the first section of oil pipe is negligible, one end of the second section of oil pipe is fixed at the lower position of the inner portal frame, the middle section of the second section of oil pipe is arranged in a pipe groove of the second chain, the other end of the second section of oil pipe is connected with the outer portal frame, and the traction force required by.
Furthermore, the side cylinder and the second pulley are arranged on one side, close to the cab, of the door frame and are arranged on the rear side of the door frame channel steel. The side cylinder is arranged on the portal frame and close to one side of the cab instead of being arranged on one side close to the fork frame, so that the side cylinder can be prevented from being arranged to interfere with the lifting of the fork frame, the side cylinder and the second pulley are arranged on the rear side of a portal frame channel steel, an oil pipe is naturally arranged in a chain pipe groove arranged on the second pulley on the upper portion of the side cylinder, unnecessary shielding of the oil pipe or the side cylinder on the front side of an operation visual field is reduced, and the working visual field of a driver is enlarged.
The utility model adopts the above technical scheme, arrange oil pipe on the plastics pipe box of novel chain, move along with the chain when the portal goes up and down, both cooperated the lift of portal and can not bear too big tensile force and lead to oil pipe to damage to oil pipe's arrangement space has been saved to the at utmost, compact structure is reasonable, simultaneously, the pulley that corresponds of limit jar and chain, oil pipe all set up in the operation field of vision scope in the portal frame as few as possible, the pulley that has obviously reduced limit jar and corresponds, the sheltering from of chain and oil pipe to the field of vision, thereby the field of vision has been improved.
Drawings
Fig. 1 is an explanatory diagram of a comparison document 1.
Fig. 2 is an explanatory diagram of comparison document 2.
Fig. 3 is an explanatory view of the present invention.
Fig. 4 is an explanatory view of the structure of the side cylinder of the present invention.
Fig. 5 is a schematic view of the grooved chain of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
As shown in fig. 3 to 5, a pipeline arrangement structure of a forklift gantry comprises an oil cylinder, a gantry and an oil pipe; the gantry comprises a fixed frame and a movable frame, and pulleys are arranged at the upper end of a piston rod of the oil cylinder; the oil cylinder drives the movable frame to move upwards through the chain wound around the pulley, and is characterized in that a pipe groove is formed in the outer side of the chain along the length direction of the chain, and the corresponding part of the oil pipe is fixedly embedded into the pipe groove and moves synchronously with the chain. The oil pipe is arranged on the plastic pipe groove of the novel chain of the oil cylinder and moves along with the chain during lifting, so that the arrangement space of the oil pipe is saved to the maximum extent, and the structure is compact and reasonable.
The oil cylinder comprises a middle cylinder and a side cylinder, the door frames comprise movable frames and fixed frames, the oil cylinder drives the movable frames to ascend and descend through chains, for the middle cylinder, the opposite fixed frame is an inner door frame, the opposite movable frame is a fork frame, one end of each chain and the cylinder body of the middle cylinder are fixed on the inner door frame, and the other end of each chain is connected with the fork frame by bypassing the pulleys. The following are specific examples.
As shown in fig. 3, the oil cylinder comprises a side cylinder 7 and a middle cylinder 6, the door frame comprises an inner door frame 1, a middle door frame 2, an outer door frame 3 and a fork frame, the cylinder body part of the middle cylinder is arranged on the inner door frame, a first pulley is arranged at the upper end of a piston rod of the middle cylinder, a first chain is arranged along the first pulley, one end of the first chain is connected with the fork frame, and the other end of the first chain is fixedly connected with the inner door frame or the middle cylinder body after bypassing the first pulley.
In contrast to the side cylinders, the fixed frame should be an outer gantry, and the movable frame should be an inner gantry, so that one end of a chain corresponding to the side cylinder and the cylinder body of the side cylinder should be arranged on the outer gantry, and the other end of the chain is arranged on the inner gantry to drive the inner gantry to ascend and descend relative to the outer gantry.
As shown in fig. 3, the side cylinder body part is arranged on the outer door frame, the upper end of the piston rod is provided with a second pulley 4, the rotating shaft of the second pulley is fixedly arranged on the middle door frame, a second chain 5 is arranged along the second pulley, one end of the second chain is connected with the outer door frame, and the other end of the second chain is fixedly connected with the inner door frame or the middle cylinder body after bypassing the second pulley.
To ensure that the arranged oil pipe is not damaged, the oil pipe does not have excessive tensile force along the oil pipe, the oil pipe part is arranged on the pipe groove on the chain, and the joints of the oil pipe section parts do not move relatively. The following are preferred embodiments.
As shown in fig. 3, the oil pipe can pass through the outer gantry to reach the inner gantry after passing around the second pulley, and then pass around the first pulley to be connected with the front accessory fixedly arranged on the fork frame.
In order to prevent interference with the lifting of the fork frame, the side cylinder cannot be arranged on one side of the fork frame, the position which can be arranged at the moment is close to one side of the cab and behind the portal channel steel or is the inner side of the portal channel steel, but the position which can be arranged on the inner side of the portal channel steel is relative to the condition which is arranged behind the portal channel steel and is close to one side of the cab, the side cylinder and the pulley block partial visual field, so in order to reduce unnecessary blocking and expand the visual field of a driver as far as possible, the side cylinder and the second pulley are required to be arranged in the visual field range corresponding to the original portal as few as possible, namely the side cylinder and the second pulley are arranged behind the portal channel steel. The following are preferred embodiments.
As shown in fig. 3, the side cylinder and the second pulley are disposed behind the portal channel and on a side close to the cab.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (5)
1. A pipeline arrangement structure of a forklift gantry comprises an oil cylinder, a gantry and an oil pipe; the gantry comprises a fixed frame and a movable frame, and pulleys are arranged at the upper end of a piston rod of the oil cylinder; the oil cylinder drives the movable frame to move upwards relative to the fixed frame through a chain wound around the pulley, and is characterized in that a pipe groove is formed in the outer side of the chain along the length direction of the chain, and the corresponding part of the oil pipe is fixedly embedded into the pipe groove and moves synchronously with the chain.
2. The pipe layout structure of a forklift mast according to claim 1, wherein the cylinder comprises a side cylinder and a middle cylinder, the mast comprises an inner mast, a middle mast, an outer mast and a fork carriage, the cylinder body part of the middle cylinder is arranged on the inner mast, a first pulley is arranged at the upper end of the piston rod of the middle cylinder, a first chain is arranged along the first pulley, one end of the first chain is connected with the fork carriage, and the other end of the first chain is fixedly connected with the bottom of the inner mast after passing around the first pulley.
3. The pipeline layout structure of the forklift mast according to claim 2, wherein the cylinder body part of the side cylinder is arranged on the outer mast, the upper end of the piston rod of the side cylinder is provided with a second pulley, the rotating shaft of the second pulley is fixedly arranged on the middle mast, a second chain is arranged along the second pulley, one end of the second chain is connected with the outer mast, and the other end of the second chain is fixedly connected with the inner mast or the inner mast after passing around the second pulley.
4. The pipelaying structure of a forklift mast as claimed in claim 3, wherein said oil pipe can be routed from the outer mast to the bottom end of the inner mast over the second pulley and then over said first pulley to connect to a front attachment fixedly mounted on the fork carriage.
5. The pipeline arrangement structure of the forklift mast according to claim 3 or 4, wherein the side cylinder and the second pulley are disposed on one side of the mast close to the cab and on the rear side of the mast channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921863213.1U CN211419495U (en) | 2019-10-31 | 2019-10-31 | Pipeline arrangement structure of forklift gantry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921863213.1U CN211419495U (en) | 2019-10-31 | 2019-10-31 | Pipeline arrangement structure of forklift gantry |
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| Publication Number | Publication Date |
|---|---|
| CN211419495U true CN211419495U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921863213.1U Active CN211419495U (en) | 2019-10-31 | 2019-10-31 | Pipeline arrangement structure of forklift gantry |
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| CN (1) | CN211419495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115057389A (en) * | 2022-06-08 | 2022-09-16 | 唐山盛航环保机车制造有限公司 | Layout structure of oil pipe of forklift gantry |
-
2019
- 2019-10-31 CN CN201921863213.1U patent/CN211419495U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115057389A (en) * | 2022-06-08 | 2022-09-16 | 唐山盛航环保机车制造有限公司 | Layout structure of oil pipe of forklift gantry |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: 313311 Ling Feng Jie Dao Xia Quan Cun, Anji County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Zhongli Machinery Co., Ltd Address before: 313311, Zhejiang County, Huzhou province Anji pass town Xia Quan Village Patentee before: Zhejiang Zhongli Machinery Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201222 Address after: 313300 Xiaquan village, Lingfeng street, Anji County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Zhongli Machinery Co., Ltd Patentee after: Hangzhou Fuyang Zhongli storage equipment Co., Ltd Address before: 313311 Xiaquan village, Lingfeng street, Anji County, Huzhou City, Zhejiang Province Patentee before: Zhejiang Zhongli Machinery Co., Ltd |