CN115259024A - Frame structure and carrier applying same - Google Patents
Frame structure and carrier applying same Download PDFInfo
- Publication number
- CN115259024A CN115259024A CN202210854458.8A CN202210854458A CN115259024A CN 115259024 A CN115259024 A CN 115259024A CN 202210854458 A CN202210854458 A CN 202210854458A CN 115259024 A CN115259024 A CN 115259024A
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- China
- Prior art keywords
- frame
- frame body
- lifting mechanism
- hydraulic lifting
- connecting rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000670 limiting effect Effects 0.000 abstract description 5
- 239000000725 suspension Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process 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
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
-
- 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
- B66F9/065—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 non-masted
-
- 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
- B66F9/07504—Accessories, e.g. for towing, charging, locking
Landscapes
- 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)
- Handcart (AREA)
Abstract
The invention provides a vehicle frame structure and a carrier applying the same, wherein a four-bar mechanism with a parallelogram structure is hinged between a vehicle body frame and an oil cylinder seat provided with a hydraulic lifting mechanism, and a horizontal sliding groove is arranged at the top of the vehicle body frame in a matching way, and the torsion of the hydraulic lifting mechanism is corrected and only can be translated back and forth in the horizontal direction through the restriction and limiting effect of the four-bar mechanism, so that a driving wheel assembly connected with the hydraulic lifting mechanism can be always grounded, the suspension skid is avoided, the moving and lifting stability of the carrier is ensured, and the technical problems of the prior art that the vehicle skids due to the fact that a single connecting bar is hinged between the vehicle wheel frame and the vehicle frame, and a hydraulic device twists and swings when working are solved.
Description
Technical Field
The invention relates to the technical field of carriers, in particular to a frame structure and a carrier applying the same.
Background
The hydraulic carrier is a small and exquisite and convenient cargo carrying tool with flexible use, large carrying capacity, firmness and durability. Besides the function of consigning goods, the carrier has a hydraulic device between the chassis and the wheels, so that the carrier can be conveniently pushed into the bottom of the container, the chassis is lifted by hydraulic pressure to support the goods, the goods can be dragged to move, the chassis is descended by hydraulic pressure after the goods arrive at the destination, and the goods fall to the ground.
Chinese patent CN201910134730.3 discloses a manual hydraulic carrier for logistics, which comprises a frame, a wheel frame and a hydraulic cylinder, wherein the frame includes two parallel fork legs, one end of each fork leg is provided with a lifting device, a supporting wheel is installed on the lifting device, the wheel frame is located at one end of the frame far away from the supporting wheel, the wheel frame is connected with a steering wheel in a rotating manner, the hydraulic cylinder is vertically arranged on the wheel frame, the upper end of the hydraulic cylinder is connected to the frame, two supporting devices are symmetrically arranged at one end of the frame far away from the supporting wheel, each supporting device includes a side deviation wheel, a lifting rod and a driving component, the lifting rod is arranged in an inclined manner, the side deviation wheel is installed at the lower end of the lifting rod, the side deviation wheel and the supporting wheel are at the same height, two guide holes are formed in the frame, the two guide holes correspond to one lifting rod respectively, the two guide holes are arranged in a splayed manner, and the driving component is installed on the frame and connected with the lifting rod.
However, in the prior art, the wheel frame is hinged to the vehicle frame through the single connecting rod, the hydraulic device is installed on the wheel frame and used as the driving force for lifting the vehicle frame, and in the structure, the hydraulic device can deviate from the axial direction to generate torsion and swing when the vehicle frame lifts, so that the driving wheel can be suspended to cause vehicle slipping.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a vehicle frame structure and a carrier applying the same, wherein a four-bar mechanism with a parallelogram structure is hinged between a vehicle frame and an oil cylinder seat provided with a hydraulic lifting mechanism, a horizontal sliding groove is arranged at the top of the vehicle frame in a matching manner, and the torsion of the hydraulic lifting mechanism is corrected and only can be translated back and forth in the horizontal direction under the constraint and limiting action of the four-bar mechanism, so that a driving wheel assembly connected with the hydraulic lifting mechanism can be always grounded, the suspended slipping is avoided, the moving and lifting stability of the carrier is ensured, and the technical problems of the prior art that the vehicle slips and the like caused by the hinge of a single connecting bar between the vehicle frame and the vehicle frame, the torsion and the swing of a hydraulic device during the work are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
a frame structure, comprising: a frame body; a cylinder block; the hydraulic lifting mechanism is arranged on the oil cylinder seat, and the top lifting end of the hydraulic lifting mechanism is connected with the frame body so as to drive the frame body to lift; further comprising: and the four-bar mechanism is arranged into a parallelogram structure and is hinged and connected between the frame body and the oil cylinder seat, and when the frame body performs lifting action, the hydraulic lifting mechanism is restrained, limited and moved in the horizontal direction by the four-bar mechanism.
Preferably, the four-bar linkage includes: the front ends of the first connecting rod and the second connecting rod are respectively hinged on the oil cylinder seat, and the rear end of the first connecting rod is hinged on the frame body; and the connecting rod shaft is horizontally and rotatably arranged on the frame body and positioned below the first connecting rod, and the rear end of the second connecting rod is fixedly connected to the connecting rod shaft.
Preferably, the first link and the second link are distributed along a front-rear direction of the frame body.
Preferably, the four-bar linkage mechanism is provided in a set on each of left and right sides of the hydraulic lift mechanism.
Preferably, the link shafts are arranged along the arrangement direction of the two groups of four-bar linkages, and the two groups of four-bar linkages share one link shaft.
Preferably, the frame body is horizontally provided with a sliding groove along the front-back direction, and the top of a piston rod of the hydraulic lifting mechanism is arranged in the sliding groove in a sliding and limiting manner.
The present invention also provides a cart, comprising: a drive wheel assembly; further comprising: according to the frame structure, the driving wheel assembly is located at the front end of the frame body and connected to the bottom end of the hydraulic lifting mechanism.
Preferably, the bottom oil cylinder seat of the hydraulic lifting mechanism penetrates through the oil cylinder seat downwards and then is connected with the driving wheel assembly.
Preferably, the method further comprises the following steps: the fork leg structures are provided with two groups and connected to the rear end of the frame body; and the handle assembly is connected with the hydraulic lifting mechanism.
Preferably, the method further comprises the following steps: the bicycle frame comprises a bicycle frame body and battery units, wherein the bicycle frame body is of a triangular structure and comprises a left bicycle frame shoulder and a right bicycle frame shoulder, and the battery units are installed on the two bicycle frame shoulders.
Preferably, the method further comprises the following steps: and the battery cover plate is connected to the frame body and covers the battery unit.
The invention has the beneficial effects that:
the four-bar mechanism with the parallelogram structure is hinged between the vehicle body frame and the oil cylinder seat provided with the hydraulic lifting mechanism, the characteristic that the opposite sides of the hinged parallelogram connecting bars are always parallel is utilized to restrain the oil cylinder seat from always moving in the horizontal direction, the torsional swing of the hydraulic lifting mechanism is corrected, and the horizontal sliding groove is arranged at the top of the vehicle body frame in a matched mode to enable a piston rod of the hydraulic lifting mechanism to translate in the front-back direction, so that a driving wheel assembly connected with the hydraulic lifting mechanism can always land, suspension slip is avoided, and the moving and lifting stability of the transport vehicle is guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the frame structure of the present invention;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a schematic structural view of the main body taken along line A in FIG. 3;
FIG. 5 is a schematic structural diagram of the main body shown in section B in FIG. 3;
FIG. 6 is a schematic view of a connection structure between the frame structure and the fork leg structure according to the present invention.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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, "a plurality" means two or more unless specifically defined otherwise.
Example one
As shown in fig. 2, a vehicle frame structure includes: a frame body 1; a cylinder block 2; the hydraulic lifting mechanism 3 is arranged on the oil cylinder base 2, and the top lifting end of the hydraulic lifting mechanism 3 is connected with the frame body 1 so as to drive the frame body 1 to lift; further comprising: and the four-bar linkage mechanism 4 is arranged in a parallelogram structure and is hinged to be connected between the frame body 1 and the oil cylinder seat 2, and when the frame body 1 is lifted, the hydraulic lifting mechanism 3 is restricted by the four-bar linkage mechanism 4 and is limited and moves in the horizontal direction.
Preferably, as shown in fig. 2 and 4, the four-bar linkage 4 includes: the first connecting rod 41 and the second connecting rod 42 are distributed up and down and are parallel to each other, the front ends of the first connecting rod 41 and the second connecting rod 42 are hinged to the oil cylinder base 2 respectively, and the rear end of the first connecting rod 41 is hinged to the frame body 1; and the link shaft 43, the link shaft 43 is horizontally and rotatably installed on the frame body 1 and located below the first link 41, and the rear end of the second link 42 is fixedly connected to the link shaft 43.
In this embodiment, the four-bar linkage 4 of the parallelogram structure is hinged between the vehicle body frame 1 and the cylinder block 2 provided with the hydraulic lifting mechanism 3, and the opposite sides of the hinged parallelogram four-bar linkage are always kept parallel in the deformation process, so that the cylinder block 2 can be constrained to move only in the horizontal direction all the time, and the hydraulic lifting mechanism 3 is prevented from twisting and swinging.
Preferably, the first link 41 and the second link 42 are distributed along the front-rear direction of the frame body 1.
Preferably, as shown in fig. 2, the four-bar linkage 4 is provided in a set on each of the left and right sides of the hydraulic lift mechanism 3.
Preferably, the link shaft 43 is disposed along the arrangement direction of the two sets of four-bar linkages 4, and the two sets of four-bar linkages 4 share one link shaft 43.
Preferably, as shown in fig. 2 and 5, a sliding groove 11 is horizontally formed in the frame body 1 along the front-rear direction, and the top of the piston rod 31 of the hydraulic lifting mechanism 3 is slidably mounted in the sliding groove 11 in a limited manner.
In this embodiment, a piston rod 31 of the hydraulic elevator 3 is translated in the front-rear direction in cooperation with a horizontal chute 11 formed in the top of the body frame 1.
Example two
A cart, as shown in fig. 1, includes: a drive wheel assembly 5; further comprising: in a frame structure according to the first embodiment, the driving wheel assembly 5 is located at the front end of the frame body 1 and connected to the bottom end of the hydraulic lifting mechanism 3.
Preferably, the bottom cylinder seat of the hydraulic lifting mechanism 3 penetrates the cylinder seat 2 downward and then is connected with the driving wheel assembly 5.
In this embodiment, by providing the frame structure in the first embodiment, the driving wheel assembly 5 is connected to the bottom end of the hydraulic lifting mechanism 3 of the frame structure, and since the cylinder base 2 can only displace in the horizontal direction, the driving wheel assembly 5 connected to the hydraulic lifting mechanism 3 can always land, thereby avoiding suspended slipping and ensuring the stability of moving and lifting of the carrier.
Preferably, as shown in fig. 1, the method further includes: the fork foot structure 6 is provided with two groups of fork foot structures 6 and connected to the rear end of the frame body 1; and the handle assembly 7, the handle assembly 7 is connected with the hydraulic lifting mechanism 3.
Preferably, the method further comprises the following steps: battery unit 8, frame body 1 sets up to the triangle-shaped structure, as shown in fig. 6, and it includes two frame shoulders 12 about, battery unit 8 installs in two on the frame shoulder 12.
Preferably, as shown in fig. 3, the method further includes: and the battery cover plate 9 is connected to the frame body 1 and covers the battery unit 8.
In this embodiment, the battery unit 8 is mounted on two frame shoulders 12 of the frame body 1 having a triangular structure, and the battery cover plate 9 is disposed to cover and protect the frame body, thereby providing space utilization and stability of the vehicle body.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A vehicle frame structure comprising:
a frame body;
a cylinder block; and
the hydraulic lifting mechanism is arranged on the oil cylinder seat and connected with the frame body so as to drive the frame body to lift;
it is characterized by also comprising:
the four-bar linkage mechanism is arranged to be of a parallelogram structure and is hinged to be connected between the frame body and the oil cylinder seat, and when the frame body is lifted, the hydraulic lifting mechanism is restrained, limited and moved in the horizontal direction by the four-bar linkage mechanism.
2. A frame structure according to claim 1, wherein said four-bar linkage comprises:
the front ends of the first connecting rod and the second connecting rod are respectively hinged on the oil cylinder seat, and the rear end of the first connecting rod is hinged on the frame body; and
and the connecting rod shaft is horizontally and rotatably arranged on the frame body, and the rear end of the second connecting rod is fixedly connected to the connecting rod shaft.
3. A frame structure according to claim 2, wherein the first and second links are distributed along the fore-and-aft direction of the frame body.
4. A frame structure according to any of claims 1 to 3, wherein said four bar linkage is provided in one set on each side of said hydraulic lifting mechanism.
5. A frame structure according to any one of claims 1 to 3, wherein the frame body is horizontally provided with a chute, and the top of the piston rod of the hydraulic lifting mechanism is slidably and limitedly mounted in the chute.
6. A cart, comprising:
a drive wheel assembly;
it is characterized by also comprising:
a frame structure according to any of claims 1 to 5, said drive wheel assembly being connected to the bottom end of said hydraulic lifting mechanism.
7. The cart according to claim 6, wherein a bottom portion of said hydraulic lift mechanism is connected to said drive wheel assembly after penetrating said cylinder block.
8. The cart according to claim 6, further comprising:
the fork leg structures are provided with two groups and connected to the frame body; and
and the handle assembly is connected with the hydraulic lifting mechanism.
9. The cart according to claim 6, further comprising:
the bicycle frame comprises a frame body, a battery unit and a frame body, wherein the frame body is of a triangular structure and comprises a left frame shoulder and a right frame shoulder, and the battery unit is installed on the two frame shoulders.
10. The cart according to claim 9, further comprising:
and the battery cover plate is connected to the frame body and covers the battery unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210854458.8A CN115259024A (en) | 2022-07-20 | 2022-07-20 | Frame structure and carrier applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210854458.8A CN115259024A (en) | 2022-07-20 | 2022-07-20 | Frame structure and carrier applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115259024A true CN115259024A (en) | 2022-11-01 |
Family
ID=83768568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210854458.8A Withdrawn CN115259024A (en) | 2022-07-20 | 2022-07-20 | Frame structure and carrier applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115259024A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008038502A (en) * | 2006-08-08 | 2008-02-21 | Shin Caterpillar Mitsubishi Ltd | Working traveling vehicle |
| CN101695988A (en) * | 2009-09-17 | 2010-04-21 | 南通蛟龙重工发展有限公司 | Movable type hydraulic jacking device |
| CN105036012A (en) * | 2015-08-31 | 2015-11-11 | 山东建筑大学 | Manual carrier with locking mechanism |
| CN105217527A (en) * | 2015-10-15 | 2016-01-06 | 浙江诺力机械股份有限公司 | A kind of tray truck |
| CN109748205A (en) * | 2019-02-23 | 2019-05-14 | 北京天地万佳物流有限公司 | Manual hydraulic truck for logistics |
-
2022
- 2022-07-20 CN CN202210854458.8A patent/CN115259024A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008038502A (en) * | 2006-08-08 | 2008-02-21 | Shin Caterpillar Mitsubishi Ltd | Working traveling vehicle |
| CN101695988A (en) * | 2009-09-17 | 2010-04-21 | 南通蛟龙重工发展有限公司 | Movable type hydraulic jacking device |
| CN105036012A (en) * | 2015-08-31 | 2015-11-11 | 山东建筑大学 | Manual carrier with locking mechanism |
| CN105217527A (en) * | 2015-10-15 | 2016-01-06 | 浙江诺力机械股份有限公司 | A kind of tray truck |
| CN109748205A (en) * | 2019-02-23 | 2019-05-14 | 北京天地万佳物流有限公司 | Manual hydraulic truck for logistics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20221101 |