CN115123974B - Fork truck frame turns to locking device - Google Patents
Fork truck frame turns to locking device Download PDFInfo
- Publication number
- CN115123974B CN115123974B CN202210964029.6A CN202210964029A CN115123974B CN 115123974 B CN115123974 B CN 115123974B CN 202210964029 A CN202210964029 A CN 202210964029A CN 115123974 B CN115123974 B CN 115123974B
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- China
- Prior art keywords
- frame
- gear
- chute
- driving shaft
- forklift
- Prior art date
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
- B66F9/14—Platforms; Forks; Other load supporting or gripping members laterally movable, e.g. swingable, for slewing or transverse movements
- B66F9/147—Whole unit including fork support moves relative to mast
- B66F9/149—Whole unit including fork support rotates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G7/00—Devices for assisting manual moving or tilting heavy loads
- B65G7/02—Devices adapted to be interposed between loads and the ground or floor, e.g. crowbars with means for assisting conveyance of loads
- B65G7/04—Rollers
-
- 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
-
- 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
- B66F9/19—Additional means for facilitating unloading
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a forklift truck steering locking device which comprises a forklift truck frame and a supporting frame for supporting the forklift truck frame, wherein the forklift truck frame slides left and right on the supporting frame through a driving mechanism; the fork frame is transversely rotated and is installed with fixed roller and movable roller, and the movable roller is located the tip of fork frame, and the drive shaft of movable roller one side runs through the fixed orifices on the fork frame to extend to the outside, installs locking mechanism on the drive shaft, rotates or stops through locking mechanism control movable roller. According to the invention, the rotation amplitude of the forklift frame is limited by controlling the length of the limiting space, so that the phenomenon that collision is easily caused by operation in a narrow space of a forklift is avoided. The fixed roller can be rotated at any time when the inner end of the fork frame is arranged, the goods can move on the fork frame conveniently when unloading and loading are carried out, meanwhile, the movable roller at the front end can also rotate when unloading and loading are controlled, and the movable roller is kept not to rotate when transporting, so that the stability of the goods in the transporting process is ensured.
Description
Technical Field
The invention relates to the technical field of forklift trucks, in particular to a forklift truck steering locking device.
Background
The forklift is a carrying device which effectively combines horizontal transportation and vertical lifting, and can stack, lift, load and unload cargoes and transport the cargoes for a short distance.
In actual transportation, the space of fork truck motion is generally comparatively narrow, and fork truck side and goods shelves collision's condition can appear often in the fork truck in the handling, and the fork truck that is located fork truck simultaneously is longer, and the goods on the fork truck also are difficult to lift, and we propose a fork truck frame steering locking device for this purpose and are used for solving above-mentioned problem.
Disclosure of Invention
The invention aims to provide a forklift truck steering locking device which is used for solving the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the forklift truck frame steering locking device comprises a forklift truck frame and a supporting frame for supporting the forklift truck frame, wherein the supporting frame is composed of a first supporting ring and a second supporting ring which are distributed up and down, the first supporting ring, the second supporting ring and the end part of the forklift truck frame are rotationally connected through a fixed shaft, and the forklift truck frame slides left and right on the supporting frame through a driving mechanism;
the fork truck comprises a fork truck frame, a fixed roller and a movable roller, wherein the fork truck frame is transversely and rotatably provided with the fixed roller and the movable roller, the fixed roller is in a rotatable state relative to the fork truck frame, the movable roller is positioned at the end part of the fork truck frame, a driving shaft on one side of the movable roller penetrates through a fixed hole in the fork truck frame and extends outwards, and a locking mechanism is arranged on the driving shaft and controls the movable roller to rotate or stop through the locking mechanism;
the locking mechanism consists of a sleeve and a conical cylinder which are fixedly arranged on the side surface of the forklift frame, the driving shaft penetrates through the sleeve and the conical cylinder at the same time, a conical cavity is arranged in the sleeve, the conical cylinder is movably positioned in the conical cavity, a spring is movably sleeved on the driving shaft positioned on the inner side of the forklift frame, one side of the spring is in close contact with the conical cylinder, and the conical cylinder is extruded to the side with small caliber of the conical cavity;
the inner side of the conical cylinder is movably connected with the driving shaft through a limiting chute structure; the side of the cone is provided with a concave V-shaped groove, the driving shaft is further rotatably provided with a third gear, the inner end surface of the third gear is provided with an arc-shaped protruding block matched with the V-shaped groove, the third gear is meshed with a fourth gear, and the fourth gear is driven by a second motor.
Preferably, the first support ring and the second support ring are respectively provided with a first chute and a second chute, wherein the number of the first chute and the second chute is two, the first chute and the second chute are respectively and symmetrically arranged on the first support ring and the second support ring, the first chute and the second chute on the first support ring and the second support ring are distributed in a staggered manner, two ends of the forklift frame are fixedly provided with limiting shafts, and the limiting shafts are slidably clamped in the first chute and the second chute; and the first support ring is hinged with an electric telescopic rod, and the movable end of the electric telescopic rod is rotationally connected with the second support ring through a connecting rod.
Preferably, the driving mechanism comprises a first gear fixedly connected with the end part of the forklift frame and coaxial with the fixed shaft, a second gear meshed with the first gear, and a first motor for driving the second gear.
Preferably, a movable cavity matched with the driving shaft is formed in the conical cylinder, the driving shaft penetrates through the movable cavity, a limiting chute is formed in the inner wall of the upper end and the lower end of the movable cavity, and a limiting convex rib is fixedly arranged on the driving shaft corresponding to the limiting chute.
Preferably, the arc-shaped protruding blocks and the V-shaped grooves are two, and the arc-shaped protruding blocks are movably clamped into the V-shaped grooves.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the rotation amplitude of the forklift frame is limited by controlling the length of the limiting space, so that the phenomenon that collision is easily caused by operation in a narrow space of a forklift is avoided.
When the conical cylinder does not rotate, the spring extrudes the conical cylinder to the inner side of the conical cavity, so that the outer surface of the conical cylinder is in close contact with the inner wall of the conical cavity, anti-slip protrusions can be arranged at the contact positions of the outer surface of the conical cylinder and the inner wall of the conical cavity for increasing friction force, and the conical cylinder is prevented from rotating through friction force. And simultaneously, the conical cylinder is linked with the rotation of the driving shaft, so that the rotation of the movable roller is controlled.
When the third gear rotates, the arc-shaped protruding blocks extrude the surface of the V-shaped groove to drive the conical cylinder to move inwards, the surface of the conical cylinder is separated from the conical cavity when the spring is extruded, the conical cylinder loses friction force brought by the conical cavity, and then the conical cylinder rotates under the drive of the third gear, and meanwhile the driving shaft is driven to rotate.
The fixed roller can be rotated at any time when the inner end of the fork frame is arranged, the goods can move on the fork frame conveniently when unloading and loading are carried out, meanwhile, the movable roller at the front end can also rotate when unloading and loading are controlled, and the movable roller is kept not to rotate when transporting, so that the stability of the goods in the transporting process is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a support frame according to the present invention;
FIG. 3 is an exploded view of the support frame of the present invention;
FIG. 4 is a schematic view of a locking mechanism and a movable roller structure in the present invention;
FIG. 5 is a schematic view of a locking mechanism according to the present invention;
FIG. 6 is a schematic view of a sleeve and cone of the present invention;
FIG. 7 is a schematic view of a cone-shaped cartridge of the present invention;
FIG. 8 is a schematic diagram of a gear structure according to the present invention;
in the figure: 1. a fork frame; 101. a movable roller; 102. a fixed roller; 103. a fixing hole; 104. a drive shaft; 105. a spring cavity; 106. a limiting shaft;
2. a support frame; 21. a first support ring; 2101. a first chute; 22. a second support ring; 2201. a second chute; 23. a fixed shaft; 24. an electric telescopic rod;
3. a driving mechanism; 31. a first gear; 32. a second gear; 33. a first motor;
4. a locking mechanism; 41. a sleeve; 4101. a conical cavity; 42. a conical cylinder; 4201. a movable cavity; 4202. limiting sliding grooves; 4203. a V-shaped groove; 43. a spring; 44. a second motor; 45. a third gear; 4501. arc-shaped protruding blocks; 46. and a fourth gear.
Detailed Description
The technical scheme of the invention will be described below with reference to the accompanying drawings and examples.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a fork truck frame turns to locking device, includes fork truck frame 1 and is used for supporting fork truck frame 1's support frame 2, and support frame 2 comprises first support ring 21 and the second support ring 22 that distribute from top to bottom, rotates through fixed axle 23 between first support ring 21, second support ring 22 and the fork truck frame 1 tip to be connected, and fork truck frame 1 slides on support frame 2 through actuating mechanism 3 left and right sides.
The first sliding grooves 2101 and the second sliding grooves 2201 are respectively formed in the first supporting ring 21 and the second supporting ring 22, the number of the first sliding grooves 2101 and the second sliding grooves 2201 is two, the first sliding grooves 2101 and the second sliding grooves 2201 are respectively symmetrically arranged on the first supporting ring 21 and the second supporting ring 22, the first sliding grooves 2101 and the second sliding grooves 2201 on the first supporting ring 21 and the second supporting ring 22 are distributed in a staggered mode, limiting shafts 106 are fixedly arranged at two ends of the forklift frame 1, and the limiting shafts 106 are slidably clamped into the first sliding grooves 2101 and the second sliding grooves 2201; and the first support ring 21 is hinged with an electric telescopic rod 24, and the movable end of the electric telescopic rod 24 is rotatably connected with the second support ring 22 through a connecting rod. When the electric telescopic rod 24 stretches out and draws back, drive the first support ring 21 and the second support ring 22 to rotate each other with the center of fixed axle 23 for first spout 2101 and second spout 2201 position continue staggering or coincidence, in spacing axle 106 slip joint is received first spout 2101 and second spout 2201, first spout 2101 and second spout 2201 constitute and are used for spacing gliding spacing of spacing axle 106, in the continuous staggering or coincidence in-process of first spout 2101 and second spout 2201 position, can realize spacing space length's increase or reduction.
The rotating amplitude of the forklift frame 1 is limited by controlling the length of the limiting space, so that the phenomenon that collision is easily caused by operation in a narrow space of a forklift is avoided.
The driving mechanism 3 includes a first gear 31 fixedly connected to the end of the fork frame 1 and coaxial with the fixed shaft 23, a second gear 32 meshing with the first gear 31, and a first motor 33 driving the second gear 32. The first motor 33 is installed inside the forklift, and the second gear 32 is driven to rotate through the first motor 33, so that the first gear 31 is driven to rotate, the forklift frame 1 is further driven to rotate on the supporting frame 2, and meanwhile, the forklift frame 1 can be supported by sliding in a limiting space through the limiting shaft 106.
A fixed roller 102 and a movable roller 101 are transversely and rotatably arranged on the fork frame 1, the fixed roller 102 is kept in a rotatable state relative to the fork frame 1, the movable roller 101 is positioned at the end part of the fork frame 1, a driving shaft 104 on one side of the movable roller 101 penetrates through a fixed hole 103 on the fork frame 1 and extends outwards, a locking mechanism 4 is arranged on the driving shaft 104, and the rotation or stop of the movable roller 101 is controlled by the locking mechanism 4;
the locking mechanism 4 is composed of a sleeve 41 and a conical cylinder 42 which are fixedly arranged on the side surface of the forklift frame 1, the driving shaft 104 simultaneously penetrates through the sleeve 41 and the conical cylinder 42, a conical cavity 4101 is arranged in the sleeve 41, the conical cylinder 42 is movably positioned in the conical cavity 4101, a spring 43 is movably sleeved on the driving shaft 104 positioned on the inner side of the forklift frame 1, one side of the spring 43 is tightly contacted with the conical cylinder 42, and the conical cylinder 42 is extruded to one side with small caliber of the conical cavity 4101;
the inner side of the conical cylinder 42 is movably connected with the driving shaft 104 through a limiting chute structure; the side surface of the conical cylinder 42 is provided with a concave V-shaped groove 4203, the driving shaft 104 is also rotatably provided with a third gear 45, the inner end surface of the third gear 45 is provided with an arc-shaped protruding block 4501 matched with the V-shaped groove 4203, the third gear 45 is meshed with a fourth gear 46, and the fourth gear 46 is driven by the second motor 44.
In order to ensure the strength of the forklift frame 1, a mounting block is arranged at a position where the driving shaft 104 contacts with the forklift frame 1, a spring cavity 105 for accommodating the spring 43 is arranged in the mounting block, one end of the spring 43 contacts with the inner side of the spring cavity 105, the other side of the spring 43 contacts with the conical cylinder 42, and a bearing is further arranged on the side surface of the conical cylinder 42 and is connected with the spring 43 through the bearing, so that the spring 43 cannot be influenced in the rotating process of the conical cylinder 42.
Further, a movable cavity 4201 matched with the driving shaft 104 is provided in the conical cylinder 42, the driving shaft 104 penetrates through the movable cavity 4201, a limit chute 4202 is provided on inner walls of upper and lower ends of the movable cavity 4201, and a limit rib is fixedly provided on the driving shaft 104 corresponding to the limit chute 4202. The cone 42 may slide reciprocally in a radial direction on the drive shaft 104, and may also drive the drive shaft 104 to rotate during rotation of the cone 42.
The two arc-shaped protruding blocks 4501 and the two V-shaped grooves 4203 are respectively arranged, the arc-shaped protruding blocks 4501 are movably clamped into the V-shaped grooves 4203, when the third gear 45 rotates, the arc-shaped protruding blocks 4501 squeeze the surface of the V-shaped grooves 4203 to drive the conical cylinder 42 to move inwards, the spring 43 is squeezed, the surface of the conical cylinder 42 is separated from the conical cavity 4101, friction force caused by the conical cavity 4101 is lost by the conical cylinder 42, and the conical cylinder is driven by the third gear 45 to rotate, and meanwhile the driving shaft 104 is driven to rotate.
The inner end of the forklift frame 1 is provided with the fixed roller 102 which can rotate at any time, so that cargoes can move on the forklift frame 1 conveniently when unloading and loading are carried out, meanwhile, the movable roller 101 at the front end can also rotate when unloading and loading are controlled, and the movable roller is kept not to rotate during transportation so as to ensure the stability of cargoes in the transportation process.
When the tapered cylinder 42 does not rotate, the spring 43 presses the tapered cylinder 42 to the inner side of the tapered cavity 4101, so that the outer surface of the tapered cylinder 42 is in close contact with the inner wall of the tapered cavity 4101, and in order to increase friction, a non-slip protrusion may be provided at the contact position between the two, and the rotation of the tapered cylinder 42 is avoided by the friction. At the same time, the tapered cylinder 42 is linked with the rotation of the drive shaft 104, thereby effecting control of the rotation of the movable roller 101.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a fork truck frame turns to locking device, includes fork frame and is used for supporting the support frame of fork frame, its characterized in that: the support frame is composed of a first support ring and a second support ring which are distributed up and down, the first support ring, the second support ring and the end part of the forklift frame are rotationally connected through a fixed shaft, and the forklift frame slides left and right on the support frame through a driving mechanism;
the fork frame is transversely provided with a fixed roller and a movable roller in a rotating way, the movable roller is positioned at the end part of the fork frame, a driving shaft on one side of the movable roller penetrates through a fixed hole on the fork frame and extends outwards, and the driving shaft is provided with a locking mechanism which controls the movable roller to rotate or stop;
the locking mechanism consists of a sleeve and a conical cylinder which are fixedly arranged on the side surface of the forklift frame, the driving shaft penetrates through the sleeve and the conical cylinder at the same time, a conical cavity is arranged in the sleeve, the conical cylinder is movably positioned in the conical cavity, a spring is movably sleeved on the driving shaft positioned on the inner side of the forklift frame, one side of the spring is in close contact with the conical cylinder, and the conical cylinder is extruded to the side with small caliber of the conical cavity;
the inner side of the conical cylinder is movably connected with the driving shaft through a limiting chute structure; the side of the cone is provided with a concave V-shaped groove, the driving shaft is further rotatably provided with a third gear, the inner end surface of the third gear is provided with an arc-shaped protruding block matched with the V-shaped groove, the third gear is meshed with a fourth gear, and the fourth gear is driven by a second motor.
2. The truck steering lock apparatus of claim 1, wherein: the first support ring and the second support ring are respectively provided with a first chute and a second chute, the first chute and the second chute are distributed in a staggered manner, two ends of the forklift frame are fixedly provided with limiting shafts, and the limiting shafts are slidably clamped in the first chute and the second chute; and the first support ring is hinged with an electric telescopic rod, and the movable end of the electric telescopic rod is rotationally connected with the second support ring through a connecting rod.
3. A truck bogie steering lock arrangement according to claim 2, wherein: the driving mechanism comprises a first gear fixedly connected with the end part of the forklift frame and coaxial with the fixed shaft, a second gear meshed with the first gear and a first motor for driving the second gear.
4. The truck steering lock apparatus of claim 1, wherein: the conical cylinder is internally provided with a movable cavity matched with the driving shaft, the driving shaft penetrates through the movable cavity, a limiting chute is formed in the inner wall of the upper end and the lower end of the movable cavity, and a limiting convex rib is fixedly arranged on the driving shaft corresponding to the limiting chute.
5. The truck steering lock apparatus of claim 1, wherein: the arc-shaped protruding blocks and the V-shaped grooves are both arranged, and the arc-shaped protruding blocks are movably clamped into the V-shaped grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964029.6A CN115123974B (en) | 2022-08-11 | 2022-08-11 | Fork truck frame turns to locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964029.6A CN115123974B (en) | 2022-08-11 | 2022-08-11 | Fork truck frame turns to locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115123974A CN115123974A (en) | 2022-09-30 |
| CN115123974B true CN115123974B (en) | 2024-02-20 |
Family
ID=83386621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210964029.6A Active CN115123974B (en) | 2022-08-11 | 2022-08-11 | Fork truck frame turns to locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115123974B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB707296A (en) * | 1950-12-16 | 1954-04-14 | Rubery Owen & Co Ltd | Improvements in fork-lift trucks |
| DE3330763A1 (en) * | 1983-08-26 | 1985-03-14 | J. und H. Büter Maschinenfabrik GmbH, 4472 Haren | Long-material attachment for an industrial truck |
| JP2018177514A (en) * | 2017-04-21 | 2018-11-15 | 株式会社豊田自動織機 | Fork lift |
| CN112456395A (en) * | 2020-12-09 | 2021-03-09 | 合肥方源机电有限公司 | Fork truck frame with ejecting safety protection structure slides |
| CN114408814A (en) * | 2022-02-17 | 2022-04-29 | 戚士君 | Movable height-adjustable forklift for goods rotation |
-
2022
- 2022-08-11 CN CN202210964029.6A patent/CN115123974B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB707296A (en) * | 1950-12-16 | 1954-04-14 | Rubery Owen & Co Ltd | Improvements in fork-lift trucks |
| DE3330763A1 (en) * | 1983-08-26 | 1985-03-14 | J. und H. Büter Maschinenfabrik GmbH, 4472 Haren | Long-material attachment for an industrial truck |
| JP2018177514A (en) * | 2017-04-21 | 2018-11-15 | 株式会社豊田自動織機 | Fork lift |
| CN112456395A (en) * | 2020-12-09 | 2021-03-09 | 合肥方源机电有限公司 | Fork truck frame with ejecting safety protection structure slides |
| CN114408814A (en) * | 2022-02-17 | 2022-04-29 | 戚士君 | Movable height-adjustable forklift for goods rotation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115123974A (en) | 2022-09-30 |
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