CN111825027A - Scissor fork mechanism - Google Patents
Scissor fork mechanism Download PDFInfo
- Publication number
- CN111825027A CN111825027A CN202010700949.8A CN202010700949A CN111825027A CN 111825027 A CN111825027 A CN 111825027A CN 202010700949 A CN202010700949 A CN 202010700949A CN 111825027 A CN111825027 A CN 111825027A
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- CN
- China
- Prior art keywords
- scissor
- assembly
- scissors
- hydraulic cylinder
- arm
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
- B66F9/122—Platforms; Forks; Other load supporting or gripping members longitudinally movable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/205—Arrangements for transmitting pneumatic, hydraulic or electric power to movable parts or devices
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a scissor mechanism, which comprises a scissor assembly, a rear frame wheel seat and a front frame wheel seat; the scissor assembly comprises a first scissor arm assembly, a second scissor arm assembly and a plurality of connecting shafts; the first scissor arm assembly and the second scissor arm assembly are connected through a plurality of connecting shafts; the first scissor arm assembly is provided with a first hinge point, and the second scissor arm assembly is provided with a second hinge point; the rear frame wheel seat is provided with a first hydraulic cylinder and a second hydraulic cylinder, the movable end of the first hydraulic cylinder is connected with a first hinge point in the first scissor arm assembly, and the movable end of the second hydraulic cylinder is connected with a second hinge point in the second scissor arm assembly; the invention discloses a scissor mechanism which is provided with a double hydraulic cylinder driving scissor assembly, so that the stability of the scissor assembly in the stretching process is ensured; the double hydraulic cylinders are obliquely arranged, so that the first hydraulic cylinder and the second hydraulic cylinder are in point-to-point contact with the scissor arm assembly, and abnormal sound generated by the scissor assembly in the telescopic process is avoided.
Description
Technical Field
The invention relates to the technical field of scissors, in particular to a scissors mechanism.
Background
Fork trucks are industrial handling vehicles, and refer to various wheeled handling vehicles that perform handling, stacking, and short-distance transport operations on piece pallet goods. Industrial transportation vehicles are widely used in ports, stations, airports, cargo yards, factory workshops, warehouses, distribution centers, and the like, and are equipments essential for carrying and loading/unloading pallet goods in cabins, carriages, and containers. The tray-free conveying and stacking device is used for tray-free conveying and stacking operation of unit goods and is widely applied to the food industry and the light industry and the electronic industry. The sliding plate of the forklift auxiliary booster can be made of paper sliding plates, plastic sliding plates and fiber sliding plates, and the expenses for purchasing, storing, maintaining and the like are saved.
The forklift auxiliary booster in the prior art has the following problems: the scissors fork arm is articulated to have great joint gap, and the scissors fork subassembly has the condition of rocking at flexible in-process, adopts single cylinder structure, and the scissors fork subassembly is when flexible, and the atress is inhomogeneous, and flexible process is unstable, and the hydro-cylinder is with scissors fork arm point face contact, and the scissors fork subassembly is easy to produce the abnormal sound when flexible.
Disclosure of Invention
To the above-mentioned not enough of prior art, provide a cut fork mechanism for among the solution prior art, cut fork mechanism exist when flexible rock, unstable, produce the problem of abnormal sound.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a scissors mechanism, comprising:
a scissor assembly; the device comprises a first scissor arm assembly, a second scissor arm assembly and a plurality of connecting shafts; the first scissor arm assembly and the second scissor arm assembly are connected through a plurality of connecting shafts; the first scissor arm assembly is provided with a first hinge point, and the second scissor arm assembly is provided with a second hinge point;
a rear frame wheel seat; the rear end of the scissor assembly is connected with the rear end of the scissor assembly, the rear end of the scissor assembly is provided with a first hydraulic cylinder and a second hydraulic cylinder, the movable end of the first hydraulic cylinder is connected with a first hinge point in a first scissor arm assembly, and the movable end of the second hydraulic cylinder is connected with a second hinge point in a second scissor arm assembly;
a front frame wheel seat; and the front end of the scissor assembly is connected with at least two forks which are fixed on the scissor assembly.
Preferably, the first scissor arm assembly and the second scissor arm assembly each comprise at least one X-shaped scissor.
Preferably, the X-shaped scissors comprise an inner scissors arm and an outer scissors arm which are arranged in a crossed manner, and the inner scissors arm is hinged to the outer scissors arm.
Preferably, the X-shaped scissor further comprises a double-nut assembly, the double-nut assembly comprises a bolt and two nuts, and the inner scissor arm is hinged to the outer scissor arm through the double-nut assembly.
Preferably, a cushion pad is arranged on the rear wheel seat.
Preferably, the scissors assembly further comprises a connecting plate, and the connecting plate comprises a first scissors arm assembly and a second scissors arm assembly.
Preferably, the first hydraulic cylinder and the second hydraulic cylinder are arranged obliquely and in parallel.
The invention discloses a scissor mechanism, which at least has the following beneficial effects:
1. be provided with two pneumatic cylinder drive and cut the fork subassembly, guarantee to cut the stability of the flexible process of fork subassembly.
2. The double hydraulic cylinders are obliquely arranged, so that the first hydraulic cylinder and the second hydraulic cylinder are in point-to-point contact with the scissor arm assembly, and abnormal sound generated by the scissor assembly in the telescopic process is avoided.
3. The rear frame wheel seat is provided with a cushion pad which can slow down the shaking generated by the retraction and collision of the scissors fork assembly with the rear frame wheel seat.
4. The fork is made to translate through the telescopic scissor assembly to achieve fork forking and goods taking.
5. The scissor assembly is provided with the connecting plate, so that the overall strength of the scissor assembly and the telescopic stability of the scissor assembly can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a scissors mechanism according to the present invention.
Fig. 2 is a schematic structural diagram of an X-shaped scissors in the scissors mechanism of the present invention.
FIG. 3 is a schematic view of the scissors assembly and the rear frame wheel base of the present invention.
Fig. 4 is a schematic view of a point connection structure of the first hydraulic cylinder, the second hydraulic cylinder and the scissors assembly in the invention.
100, a scissor assembly; 110. a first scissor arm assembly; 111. a first hinge point; 120. a second scissor arm; 121. a second hinge point; 130. a connecting shaft; 140. a connecting plate; 200. a rear frame wheel seat; 210. a first hydraulic cylinder; 220. a second hydraulic cylinder; 300. a front frame wheel seat; 10. an X-shaped scissor; 11. an inner scissor fork arm; 12. an outer scissor yoke; 13. a double nut assembly.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1-2, the present invention discloses a fork shearing mechanism;
the scissor mechanism comprises a scissor assembly 100, a rear frame wheel seat 200 and a front frame wheel seat 300; the scissors assembly 100 connects the rear frame wheel mount 200 and the front frame wheel mount 300.
The scissor assembly 100 is telescopic, the scissor assembly 100 comprises a first scissor arm assembly 110, a second scissor arm assembly 120 and a plurality of connecting shafts 130, and the first scissor arm assembly 110 and the second scissor arm assembly 120 are connected through the plurality of connecting shafts 130; the first scissor arm assembly 110 is provided with a first hinge point 111, and the second scissor arm assembly 120 is provided with a second hinge point 121;
a rear frame wheel seat 200; the rear end of the scissor assembly 100 is connected with a first hydraulic cylinder 210 and a second hydraulic cylinder 220, the movable end of the first hydraulic cylinder 210 is connected with a first hinge point 111 in the first scissor arm assembly 110, and the movable end of the second hydraulic cylinder 220 is connected with a second hinge point 121 in the second scissor arm assembly 120;
a front frame wheel base 300; attached to the front end of the scissor assembly 100 is at least two forks secured thereto.
The first hydraulic cylinder 210 and the second hydraulic cylinder 220 operate synchronously to drive the scissor assembly 100 to extend and retract.
The movable end of the first hydraulic cylinder 210 is hinged to the first hinge point 111, the movable end of the second hydraulic cylinder 220 is hinged to the second hinge point 121, and the first hydraulic cylinder 210 and the second hydraulic cylinder 220 are respectively in contact with the first scissor arm assembly 110 and the second scissor arm assembly 120 at points, so that abnormal sound is avoided.
The first scissor arm assembly 110 and the second scissor arm assembly 120 each include at least one X-shaped scissor 10.
The X-shaped scissors 10 comprises an inner scissors arm 11 and an outer scissors arm 12 which are arranged in a crossed mode, and the inner scissors arm 11 is hinged to the outer scissors arm 12.
The middle part of the inner scissor arm 11 is hinged to the middle part of the outer scissor arm 12, and when the first hydraulic cylinder 210 and the second hydraulic cylinder 220 synchronously drive the X-shaped scissor 10 to extend and retract, the inner scissor arm 11 rotates relative to the outer scissor arm 12.
In the present embodiment, the scissors arm assembly has two connected X-shaped scissors 10, the inner scissors arm 11 of one X-shaped scissors 10 is hinged to the outer scissors arm 12 of the other X-shaped scissors 10, and the outer scissors arm 12 of one X-shaped scissors 10 is hinged to the inner scissors arm 11 of the other X-shaped scissors 10.
In the present embodiment, when one X-shaped scissors 10 is connected to another X-shaped scissors 10, the inner scissors arm 11 of one X-shaped scissors 10 is connected to the outer scissors arm 12 of another X-shaped scissors 10 through the double nut assembly 13, and the outer scissors arm 12 of one X-shaped scissors 10 is connected to the inner scissors arm 11 of another X-shaped scissors 10 through the double nut assembly 13.
The X-shaped scissor fork 10 further comprises a double-nut assembly 13, the double-nut assembly 13 comprises a bolt and two nuts, and the inner scissor fork arm 11 is hinged to the outer scissor fork arm 12 through the double-nut assembly 13.
In this embodiment, the bolt passes through inner scissor arm 11 and outer scissor arm 12, through two nuts with the bolt cooperation, guarantee inner scissor arm 11 and outer scissor arm 12's articulated stability, avoid cutting fork assembly 100 and rocking in the use.
A cushion is provided on the rear wheel mount 200 to reduce the shock caused by the scissors assembly 100 when retracted.
The scissors assembly 100 further comprises a connecting plate 140, and the connecting plate 140 is formed by the first scissors arm assembly 110 and the second scissors arm assembly 120, so that the overall stability of the scissors assembly 100 is improved by the connecting plate 140.
The first hydraulic cylinder 210 and the second hydraulic cylinder 220 are obliquely arranged and arranged in parallel, and the first hydraulic cylinder 210 and the second hydraulic cylinder 220 synchronously operate to drive the scissor assembly 100 to stretch and retract, so that the scissor assembly 100 can stably operate.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (6)
1. A scissors mechanism, comprising:
a scissor assembly; the device comprises a first scissor arm assembly, a second scissor arm assembly and a plurality of connecting shafts; the first scissor arm assembly and the second scissor arm assembly are connected through a plurality of connecting shafts; the first scissor arm assembly is provided with a first hinge point, and the second scissor arm assembly is provided with a second hinge point; the first hydraulic cylinder and the second hydraulic cylinder are obliquely arranged and are arranged in parallel;
a rear frame wheel seat; the rear end of the scissor assembly is connected with the rear end of the scissor assembly, the rear end of the scissor assembly is provided with a first hydraulic cylinder and a second hydraulic cylinder, the movable end of the first hydraulic cylinder is connected with a first hinge point in a first scissor arm assembly, and the movable end of the second hydraulic cylinder is connected with a second hinge point in a second scissor arm assembly;
a front frame wheel seat; and the front end of the scissor assembly is connected with at least two forks which are fixed on the scissor assembly.
2. A scissors mechanism according to claim 1 wherein the first and second scissors arm assemblies each comprise at least one X-shaped scissors.
3. A scissors mechanism according to claim 2, wherein the X-shaped scissors comprise inner and outer arms arranged in a cross, the inner arm being hingedly connected to the outer arm.
4. A scissor mechanism according to claim 3, wherein the X-shaped scissor further comprises a double nut assembly comprising a bolt and two nuts, the inner scissor arm being articulated to the outer scissor arm via the double nut assembly.
5. A scissors mechanism according to claim 1, wherein the rear wheel carrier is provided with a cushioning pad.
6. The scissors mechanism of claim 1 wherein the scissors assembly further comprises a connecting plate, the connecting plate having a first scissors arm assembly and a second scissors arm assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010700949.8A CN111825027A (en) | 2020-07-20 | 2020-07-20 | Scissor fork mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010700949.8A CN111825027A (en) | 2020-07-20 | 2020-07-20 | Scissor fork mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111825027A true CN111825027A (en) | 2020-10-27 |
Family
ID=72924568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010700949.8A Pending CN111825027A (en) | 2020-07-20 | 2020-07-20 | Scissor fork mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111825027A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795575A (en) * | 2012-09-10 | 2012-11-28 | 朱红蔚 | Shearing fork type forwarding device of lorry-mounted loading and unloading device |
| KR20130006063U (en) * | 2012-04-10 | 2013-10-21 | 대우조선해양 주식회사 | A Box Dismantling Equipment |
| CN103663279A (en) * | 2013-12-09 | 2014-03-26 | 苏州先锋物流装备科技有限公司 | Shearing fork forward-moving piling car |
| CN105540495A (en) * | 2016-02-19 | 2016-05-04 | 龙工(上海)机械制造有限公司 | Scissor telescopic arm loader |
| CN206927549U (en) * | 2017-06-07 | 2018-01-26 | 临沂金鹰矿山设备有限公司 | Pallet fork forward moving type electric piling car |
| CN207259088U (en) * | 2017-07-03 | 2018-04-20 | 中车石家庄车辆有限公司 | A kind of fork truck and its lift truck attachment carried for contained implement |
| US20190337784A1 (en) * | 2018-05-03 | 2019-11-07 | Hyster-Yale Group, Inc. | Pantograph assembly for lift truck |
-
2020
- 2020-07-20 CN CN202010700949.8A patent/CN111825027A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130006063U (en) * | 2012-04-10 | 2013-10-21 | 대우조선해양 주식회사 | A Box Dismantling Equipment |
| CN102795575A (en) * | 2012-09-10 | 2012-11-28 | 朱红蔚 | Shearing fork type forwarding device of lorry-mounted loading and unloading device |
| CN103663279A (en) * | 2013-12-09 | 2014-03-26 | 苏州先锋物流装备科技有限公司 | Shearing fork forward-moving piling car |
| CN105540495A (en) * | 2016-02-19 | 2016-05-04 | 龙工(上海)机械制造有限公司 | Scissor telescopic arm loader |
| CN206927549U (en) * | 2017-06-07 | 2018-01-26 | 临沂金鹰矿山设备有限公司 | Pallet fork forward moving type electric piling car |
| CN207259088U (en) * | 2017-07-03 | 2018-04-20 | 中车石家庄车辆有限公司 | A kind of fork truck and its lift truck attachment carried for contained implement |
| US20190337784A1 (en) * | 2018-05-03 | 2019-11-07 | Hyster-Yale Group, Inc. | Pantograph assembly for lift truck |
Non-Patent Citations (1)
| Title |
|---|
| 康虹桥: "《特种电梯与载人升降设备》", 31 March 2015, 苏州大学出版社 * |
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