CN112723253A - Negative pressure forklift - Google Patents
Negative pressure forklift Download PDFInfo
- Publication number
- CN112723253A CN112723253A CN202011595635.2A CN202011595635A CN112723253A CN 112723253 A CN112723253 A CN 112723253A CN 202011595635 A CN202011595635 A CN 202011595635A CN 112723253 A CN112723253 A CN 112723253A
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- China
- Prior art keywords
- wheel
- negative pressure
- side wall
- forklift
- sealing
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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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Links
- 238000007789 sealing Methods 0.000 claims description 69
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 4
- 101100441413 Caenorhabditis elegans cup-15 gene Proteins 0.000 description 7
- 241000252254 Catostomidae Species 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B66F9/07572—Propulsion arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B15/00—Wheels or wheel attachments designed for increasing traction
-
- 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
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a negative pressure forklift, which comprises a forklift body, wherein a wheel hiding groove is formed in the lower end face of the forklift body, a balance weight wheel is rotatably connected in the wheel hiding groove, a wheel shaft is rotatably connected at the center of the balance weight wheel, the wheel shaft is fixedly installed on the inner wall of the wheel hiding groove, a steering cavity is formed in the wheel shaft, a negative pressure channel is formed in the lower end of the steering cavity, the lower end of the negative pressure channel penetrates through the lower end of the wheel shaft and is mutually communicated with the outside, a plurality of negative pressure pipes are arranged in the balance weight wheel in an equally-spaced annular array, a sucking disc is fixedly installed at one end of each negative pressure pipe, which is far away from the wheel shaft, and one end of each sucking disc. The invention effectively prevents the gravity center of the forklift body from facing forwards when the forklift carries the goods with the ultimate weight, thereby avoiding the potential safety hazards of goods falling, forward leaning of the forklift body and the like in the running process of the forklift.
Description
Technical Field
The invention relates to the technical field, in particular to a negative pressure forklift.
Background
The forklift is widely used in factories or logistics companies frequently, the forklift structure is mainly that a front part is provided with fork legs, a middle part is a cab, and a tail part is provided with a balance block; in addition, when the traditional forklift carries the goods with the ultimate weight, the gravity center of the forklift body faces forwards, and potential safety hazards such as goods falling, forward tilting of the forklift body and the like are easy to occur in the running process.
In order to solve the problems, the invention provides a negative pressure forklift.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme:
a negative pressure forklift comprises a forklift body, wherein a wheel hiding groove is formed in the lower end face of the forklift body, a counter weight wheel is rotatably connected in the wheel hiding groove, a wheel shaft is rotatably connected at the center of the counter weight wheel, the wheel shaft is fixedly installed on the inner wall of the wheel hiding groove, a steering cavity is formed in the wheel shaft, a negative pressure channel is formed in the lower end of the steering cavity, the lower end of the negative pressure channel penetrates through the lower end of the wheel shaft and is communicated with the outside, a plurality of negative pressure pipes are arranged in the counter weight wheel in an equally-spaced annular array, a sucking disc is fixedly installed at one end of each negative pressure pipe, which is far away from the wheel shaft, one end of each sucking disc, which is far away from the negative pressure pipe, protrudes out of the edge of the counter weight wheel, a first driving wheel is fixedly installed at the center of the front side wall of the forklift body, a second driving, the improved trolley is characterized in that an annular sliding groove is formed in the side wall of the front face of the second driving wheel, a sealing plate is fixedly mounted on the side wall of the face of the trolley body, a sealing sliding plug is connected to the inner side of the sealing plate in a sliding mode, a push rod is fixedly mounted at the center of the left side wall of the sealing sliding plug, one end, deviating from the sealing sliding plug, of the push rod penetrates through the side wall of the sealing plate and is rotatably connected with a rotating rod, the push rod is connected to the inner side wall of the sealing plate in a sliding mode, one end, deviating from the push rod, of the rotating rod is connected to the annular sliding groove in a sliding mode, a single valve is arranged on the side wall of the sealing sliding plug, a communicating pipe and an air outlet pipe are respectively arranged on the bottom end face of the.
Preferably, a second single valve is arranged at a communication position between the upper end of the communication pipe and the inside of the sealing plate, and the second single valve is fixedly installed in the inner wall of the upper end of the communication pipe.
Preferably, every sucking disc and negative pressure pipe junction are provided with the filter screen, filter screen fixed mounting is in the inner wall of negative pressure pipe.
Preferably, one end of each negative pressure pipe, which is opposite to the wheel shaft, penetrates through the side wall of the inner ring of the counterweight wheel and is matched with the negative pressure channel.
Preferably, a sealing ring is arranged between the lower end of the negative pressure channel and the inner ring of the counterweight wheel, the sealing ring is fixedly installed at the lower end of the wheel shaft, and the sealing ring is in sliding connection with the side wall of the inner ring of the counterweight wheel.
Compared with the prior art, the invention has the beneficial effects that:
when the balance weight wheel runs, the balance weight wheel can drive the first driving wheel to rotate, the first driving wheel drives the second driving wheel to rotate through the driving belt, when the second driving wheel rotates, the annular chute can drive the push rod to reciprocate left and right through the rotating rod, the push rod drives the sealing sliding plug to reciprocate left and right in the sealing plate, when the sealing sliding plug slides left, air between the left side wall of the sealing sliding plug and the inner wall of the sealing plate can enter a space between the right side of the sealing sliding plug and the inner wall of the sealing plate through the first single valve, when the sealing sliding plug moves right, negative pressure is formed between the left side wall of the sealing sliding plug and the inner wall of the sealing plate, and then air in a negative pressure pipe which is right opposite to the negative pressure channel enters the sealing plate through the steering cavity, the negative pressure channel, the communicating pipe and the second single valve, so that the sucking disc and the ground generate strong adsorption force, and the forklift is effectively prevented from carrying, the gravity center of the forklift body faces forward, so that potential safety hazards of cargo falling, forward tilting of the forklift body and the like in the running process of the forklift are avoided.
Drawings
Fig. 1 is a schematic front structural view of a negative pressure forklift truck according to the present invention;
FIG. 2 is a front cross-sectional view of a weight wheel in the negative pressure forklift provided by the invention;
FIG. 3 is a partially enlarged schematic view of a rear half of a body of a negative pressure forklift truck according to the present invention;
in the figure: the device comprises a sealing sliding plug 1, a single valve 2, a push rod 3, a rotating rod 4, a steering cavity 5, a single valve 6, a communicating pipe 7, an annular chute 8, a driving wheel 9, a driving belt 10, a vehicle body 11, a sealing plate 12, an air outlet pipe 13, a filter screen 14, a suction cup 15, a negative pressure pipe 16, a counterweight wheel 17 and a negative pressure channel 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a negative pressure forklift, comprising a forklift body 11, a wheel hiding groove is arranged on the lower end surface of the forklift body 11, a balance weight wheel 17 is rotatably connected in the wheel hiding groove, a wheel shaft is rotatably connected at the center of the balance weight wheel 17 and fixedly installed on the inner wall of the wheel hiding groove, a steering cavity 5 is arranged in the wheel shaft, a negative pressure channel 18 is arranged at the lower end of the steering cavity 5, the lower end of the negative pressure channel 18 penetrates through the lower end of the wheel shaft and is mutually communicated with the outside, a plurality of negative pressure pipes 16 are arranged in the balance weight wheel 17 in an equally spaced ring array, a suction cup 15 is fixedly installed at one end of each negative pressure pipe 16 departing from the wheel shaft, one end of each suction cup 15 departing from the negative pressure pipe 16 protrudes out of the edge of the balance weight wheel 17, a first driving wheel is fixedly installed at the center of the front side wall of the balance weight wheel 17, a, an annular sliding groove 8 is formed in the side wall of the front face of the second driving wheel 9, a sealing plate 12 is fixedly mounted on the side wall of the face of the vehicle body 11, a sealing sliding plug 1 is connected in the sealing plate 12 in a sliding mode, a push rod 3 is fixedly mounted at the center of the left side wall of the sealing sliding plug 1, one end, away from the sealing sliding plug 1, of the push rod 3 penetrates through the side wall of the sealing plate 12 and is rotatably connected with a rotating rod 4, the push rod 3 is connected in the side wall of the sealing plate 12 in a sliding mode, one end, away from the push rod 3, of the rotating rod 4 is connected in the annular sliding groove 8 in a sliding mode, a single valve 2 is arranged on the side wall of the sealing sliding plug 1, a communicating pipe 7 and an air outlet pipe 13 are arranged on the bottom end face of the sealing plate 12 respectively, the other end;
wherein, a second single valve 6 is arranged at the communication position between the upper end of the communication pipe 7 and the inner part of the sealing plate 12, and the second single valve 6 is fixedly arranged in the inner wall of the upper end of the communication pipe 7; a filter screen 14 is arranged at the joint of each suction cup 15 and the negative pressure pipe 16, the filter screen 14 is fixedly arranged on the inner wall of the negative pressure pipe 16, and the filter screen 14 prevents dust from entering the negative pressure channel 18; one end of each negative pressure pipe 16 opposite to the wheel shaft penetrates through the side wall of the inner ring of the counterweight wheel 17 and is matched with the negative pressure channel 18; a sealing ring is arranged between the lower end of the negative pressure channel 18 and the inner ring of the counterweight wheel 17, the sealing ring is fixedly arranged at the lower end of the wheel shaft, the sealing ring is in sliding connection with the side wall of the inner ring of the counterweight wheel 17, and the sealing ring avoids the phenomenon of air leakage when negative pressure is formed between the negative pressure channel 18 and the negative pressure pipe 16;
in the embodiment, when the counterweight wheel 17 runs, the counterweight wheel 17 can drive the first driving wheel to rotate, the first driving wheel drives the second driving wheel 9 to rotate through the driving belt 10, the annular chute 8 can drive the push rod 3 to reciprocate left and right through the rotating rod 4 when the second driving wheel 9 rotates, the push rod 3 drives the sealing sliding plug 1 to reciprocate left and right in the sealing plate 12, and when the sealing sliding plug 1 slides left, air between the left side wall of the sealing sliding plug 1 and the inner wall of the sealing plate 12 can enter a space between the right side of the sealing sliding plug 1 and the inner wall of the sealing plate 12 through the first one-way valve 2;
further, when the sealing sliding plug 1 moves rightwards, negative pressure is formed between the left side wall of the sealing sliding plug 1 and the inner wall of the sealing plate 12, so that air in a negative pressure pipe 16 which is right opposite to the negative pressure channel 18 enters the sealing plate 12 through the steering cavity 5, the negative pressure channel 18, the communicating pipe 7 and the second one-way valve 6, and further the sucking disc 15 and the ground generate strong adsorption force, so that the gravity center of a truck body is prevented from moving forwards when a forklift carries goods with extreme weight, and further potential safety hazards such as goods falling, forward tilting and the like in the running process of the forklift are avoided;
furthermore, in the rotating process of the counterweight wheel 17, the suckers 15 on the counterweight wheel 17 are alternately contacted with the ground, and each time the suckers 15 are contacted with the ground, the suckers 15 are tightly attracted with the ground by the negative pressure generated in the negative pressure pipe 16, so that the problem that the balance weight in the forklift is limited is solved; in actual production, the circumference of the first driving wheel is far larger than that of the second driving wheel 9, so that the rotating speed of the second driving wheel 9 is increased, the left-right movement frequency of the sealing sliding plug 1 is increased, the time difference of negative pressure formed by two adjacent times in the communicating pipe 7 is short, and the negative pressure in the negative pressure channel 18 is always kept in a negative pressure state when each negative pressure pipe 16 is opposite to the negative pressure channel 18 in positive phase;
finally, when the sealing sliding plug 1 moves to the right, air between the right side of the sealing sliding plug 1 and the inner wall of the sealing plate 12 is sprayed to the suction cup 15 on the surface of the counterweight wheel 17 through the air outlet pipe 13, dust on the suction cup 15 is cleaned, and the sealing performance when the suction cup 15 is in contact with the ground is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The negative-pressure forklift comprises a forklift body (11) and is characterized in that a wheel hiding groove is formed in the lower end face of the forklift body (11), a counter weight wheel (17) is connected to the wheel hiding groove in a rotating mode, a wheel shaft is connected to the center of the counter weight wheel (17) in a rotating mode, the wheel shaft is fixedly installed on the inner wall of the wheel hiding groove, a steering cavity (5) is formed in the wheel shaft, a negative pressure channel (18) is formed in the lower end of the steering cavity (5), the lower end of the negative pressure channel (18) penetrates through the lower end of the wheel shaft and is communicated with the outside, a plurality of negative pressure pipes (16) are arranged in the counter weight wheel (17) in an equidistant annular row, a sucking disc (15) is fixedly installed at one end, deviating from the wheel shaft, of each sucking disc (15), protruding out of the edge of the counter weight wheel (17), and a first transmission wheel is fixedly installed at the center of the front side wall of the, the front side wall of the trolley body (11) is rotatably connected with a second driving wheel (9), the second driving wheel (9) is in transmission connection with the first driving wheel through a driving belt (10), the front side wall of the second driving wheel (9) is provided with an annular chute (8), the side wall of the trolley body (11) is fixedly provided with a sealing plate (12), the sealing plate (12) is connected with a sealing sliding plug (1) in a sliding manner, the center of the left side wall of the sealing sliding plug (1) is fixedly provided with a push rod (3), one end of the push rod (3) departing from the sealing sliding plug (1) penetrates through the side wall of the sealing plate (12) and is rotatably connected with a rotating rod (4), the push rod (3) is slidably connected in the side wall of the sealing plate (12), one end of the rotating rod (4) departing from the push rod (3) is slidably connected in the annular, the side wall of the sealing sliding plug (1) is provided with a one-way valve (2), the bottom end face of the sealing plate (12) is provided with a communicating pipe (7) and an air outlet pipe (13) respectively, the other end of the communicating pipe (7) penetrates through a driving wheel and is communicated with the steering cavity (5), and one end, deviating from the air outlet pipe (13), of the sealing plate (12) penetrates through the side wall of the wheel hiding groove and is right opposite to the counterweight wheel (17).
2. The negative-pressure forklift as recited in claim 1, wherein a second single valve (6) is arranged at a communication position between the upper end of the communication pipe (7) and the inside of the sealing plate (12), and the second single valve (6) is fixedly installed in the inner wall of the upper end of the communication pipe (7).
3. Negative-pressure forklift according to claim 1, characterized in that a filter screen (14) is arranged at the connection of each suction cup (15) and the negative-pressure pipe (16), and the filter screen (14) is fixedly mounted in the inner wall of the negative-pressure pipe (16).
4. A vacuum lift truck according to claim 1, characterized in that the end of each vacuum tube (16) opposite to the wheel axle extends through the inner circumferential side wall of the counter-weight wheel (17) and is adapted to the vacuum channel (18).
5. The vacuum forklift as recited in claim 1, characterized in that a sealing ring is arranged between the lower end of the vacuum channel (18) and the inner ring of the counterweight wheel (17), the sealing ring is fixedly arranged at the lower end of the wheel shaft, and the sealing ring is connected with the side wall of the inner ring of the counterweight wheel (17) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011595635.2A CN112723253B (en) | 2020-12-29 | 2020-12-29 | Negative pressure forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011595635.2A CN112723253B (en) | 2020-12-29 | 2020-12-29 | Negative pressure forklift |
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| Publication Number | Publication Date |
|---|---|
| CN112723253A true CN112723253A (en) | 2021-04-30 |
| CN112723253B CN112723253B (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011595635.2A Active CN112723253B (en) | 2020-12-29 | 2020-12-29 | Negative pressure forklift |
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| Country | Link |
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| CN (1) | CN112723253B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000044012A (en) * | 1998-07-28 | 2000-02-15 | Toyota Autom Loom Works Ltd | Stacker crain and automatic warehouse |
| CN105460844A (en) * | 2016-01-06 | 2016-04-06 | 潘玲玉 | Stacker suction fetching equipment |
| CN105600706A (en) * | 2015-10-16 | 2016-05-25 | 胡振强 | Negative-pressure forklift |
| CN107264706A (en) * | 2017-08-04 | 2017-10-20 | 夏琼 | Chainless type water moped |
| CN108076911A (en) * | 2017-12-06 | 2018-05-29 | 郑州莉迪亚医药科技有限公司 | A kind of quick earth culture cultivation device of small-sized colza manpower of crank block suction type |
| CN108098816A (en) * | 2017-12-20 | 2018-06-01 | 重庆同朋科技有限公司 | A kind of excavator stone clamp device |
| CN108817694A (en) * | 2018-07-09 | 2018-11-16 | 温州大学 | A kind of laser welding robot |
| CN208617284U (en) * | 2018-06-11 | 2019-03-19 | 上海汇盛塑胶制品有限公司 | A kind of hinge device with pedal convenient for cargo restocking |
| CN210969476U (en) * | 2019-08-21 | 2020-07-10 | 大同新成新材料股份有限公司 | Semiconductor material cutting device |
-
2020
- 2020-12-29 CN CN202011595635.2A patent/CN112723253B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000044012A (en) * | 1998-07-28 | 2000-02-15 | Toyota Autom Loom Works Ltd | Stacker crain and automatic warehouse |
| CN105600706A (en) * | 2015-10-16 | 2016-05-25 | 胡振强 | Negative-pressure forklift |
| CN105460844A (en) * | 2016-01-06 | 2016-04-06 | 潘玲玉 | Stacker suction fetching equipment |
| CN107264706A (en) * | 2017-08-04 | 2017-10-20 | 夏琼 | Chainless type water moped |
| CN108076911A (en) * | 2017-12-06 | 2018-05-29 | 郑州莉迪亚医药科技有限公司 | A kind of quick earth culture cultivation device of small-sized colza manpower of crank block suction type |
| CN108098816A (en) * | 2017-12-20 | 2018-06-01 | 重庆同朋科技有限公司 | A kind of excavator stone clamp device |
| CN208617284U (en) * | 2018-06-11 | 2019-03-19 | 上海汇盛塑胶制品有限公司 | A kind of hinge device with pedal convenient for cargo restocking |
| CN108817694A (en) * | 2018-07-09 | 2018-11-16 | 温州大学 | A kind of laser welding robot |
| CN210969476U (en) * | 2019-08-21 | 2020-07-10 | 大同新成新材料股份有限公司 | Semiconductor material cutting device |
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| Publication number | Publication date |
|---|---|
| CN112723253B (en) | 2023-05-09 |
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Effective date of registration: 20230412 Address after: 250000 Shengjing Street Industrial Park, Zhangqiu District, Jinan City, Shandong Province (Business location: North Head of Panjiabu Village, Caofan Street, Zhangqiu District, Jinan City, Shandong Province) Applicant after: Jinan Fangzheng Logistics Co.,Ltd. Address before: No.11 Wenhua Road, Laiyang City, Yantai City, Shandong Province Applicant before: Yuan Zhongnian |
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Denomination of invention: A negative pressure forklift Effective date of registration: 20231215 Granted publication date: 20230509 Pledgee: Jinan Zhangqiu District Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Jinan Fangzheng Logistics Co.,Ltd. Registration number: Y2023980072034 |