CN108592849B - Rotation angle detection device for three-way attachment of forklift - Google Patents
Rotation angle detection device for three-way attachment of forklift Download PDFInfo
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- CN108592849B CN108592849B CN201810312117.1A CN201810312117A CN108592849B CN 108592849 B CN108592849 B CN 108592849B CN 201810312117 A CN201810312117 A CN 201810312117A CN 108592849 B CN108592849 B CN 108592849B
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- encoder
- forklift
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- rotation angle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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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
- B66F9/07504—Accessories, e.g. for towing, charging, locking
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a device for detecting the rotation angle of a three-way accessory of a forklift, which comprises an encoder adapter plate, a transmission box, an encoder and a measuring support, wherein the measuring support is fixedly connected with a double-helix swing oil cylinder of the forklift accessory, the encoder adapter plate is fixedly connected to the top of the transmission box, the encoder is fixedly arranged on the encoder adapter plate, an input shaft of the encoder is in transmission connection with the measuring support through the transmission box, the transmission box is fixedly connected with an accessory vehicle body of the forklift accessory, and the encoder is electrically connected with a controller. The invention can accurately measure the rotation angle of the forklift attachment, forms intuitive and quantized operation parameters, is convenient for a control system to indicate an operator to more accurately master the minute of each step of operation, enables the forklift to more conveniently and accurately implement the rotation operation of the three-way attachment, and reduces the influence of personnel experience factors.
Description
Technical Field
The invention relates to a detection device for a forklift, in particular to a device for detecting the rotation angle of a three-way attachment of the forklift.
Background
The forklift attachment is also called a multi-device, and is a tool for realizing multiple purposes of a forklift. With the development of economy, the land cost also rises at a high speed, so that more goods shelves are required to be placed on a limited area as much as possible, the width of a channel is reduced as much as possible, and the requirement on the turning radius of the storage forklift is smaller. Aiming at the requirement, forklift manufacturers develop a forklift three-way attachment, and the forklift three-way attachment can enable a goods shelf to horizontally rotate for 180 degrees and laterally move. After the forklift is provided with the three-way attachment, the forklift can fork goods from the side without turning, and the forklift can carry and stack the goods in a narrow passage. However, when the existing three-way attachment of the forklift is rotated, the rotation angle is difficult to accurately grasp, and the direction control is mainly completed by the experience of an operator when goods are loaded and unloaded, so that the efficiency is low. With the rapid development of the logistics industry, the requirements of logistics enterprises on space utilization rate and loading and unloading efficiency are higher and higher, and manual operation is more and more difficult to adapt to new requirements. Under new situation, the manufacturing field of the fork truck is also continuously pushed out and new, wherein the pushing of the AGV fork truck can greatly improve the loading and unloading operation efficiency and accuracy. However, the purchasing and maintenance cost of the conventional AGV forklift is relatively high, and the conventional forklift cannot be replaced comprehensively in a short time, so that how to improve the conventional forklift and enable the conventional forklift to rotate more conveniently and accurately, which is a relatively practical problem. The utility model with the publication number of CN205933092U is specially favorable for 2017, 2, 8, and discloses a forklift attachment rotator, which relates to the field of special attachments for industrial vehicles, and comprises a front bottom plate, a rear bottom plate, a slewing bearing and a speed reducer device, wherein the front bottom plate and the rear bottom plate are respectively connected to the front end and the rear end of the slewing bearing, the front bottom plate and the rear bottom plate are parallel to each other, and the speed reducer device is arranged on the rear bottom plate; the front bottom plate is provided with a first semicircular observation hole, the first observation hole is superposed with the circle center of the slewing bearing, the rear bottom plate is also provided with a second semicircular observation hole, and the second observation hole is superposed with the first observation hole. However, the present invention does not have a function of detecting the rotation angle of the forklift attachment.
Disclosure of Invention
The invention provides a device for detecting the rotation angle of a three-way accessory of a forklift, which can enable the common forklift to more conveniently and accurately implement the rotation operation of the three-way accessory and reduce the influence of personnel experience factors.
The technical scheme of the invention is as follows: fork truck three-dimensional accessory rotation angle detection device, including encoder keysets, transmission box, encoder and measurement support, the double helix swing hydro-cylinder of measurement support and fork truck accessory links firmly, and the encoder keysets links firmly in transmission box top, and the encoder sets firmly on the encoder keysets, and the input shaft of encoder passes through the transmission box to be connected with the transmission of measurement support, and the transmission box links firmly with the accessory automobile body of fork truck accessory, and the encoder is connected with a controller electricity. When the three-way attachment of the forklift is rotated, the measuring support rotates along with the output shaft of the double-helix swing oil cylinder, the input shaft of the encoder is driven to rotate through the transmission of the transmission box, the three-way attachment rotates to form a detection signal, and the detection signal is input into the controller to perform corresponding signal processing, so that the purpose of measuring the rotation angle of the attachment is achieved, a control system can conveniently indicate an operator to accurately grasp the minute size of each step of operation, the forklift can conveniently and accurately implement the rotation operation of the three-way attachment, and the influence of personnel experience factors is reduced.
Preferably, the transmission box comprises a mounting cover, a mounting seat and a transmission shaft, the mounting cover and the mounting seat are mounted and connected, the transmission shaft is in transmission connection with the measuring support, and the transmission shaft is rotatably connected to the mounting seat, extends into a cavity surrounded by the mounting cover and the mounting seat and is connected with an input shaft of the encoder. The transmission box with the structure can transmit torque between the measuring bracket and the input shaft of the encoder, and can close and protect a transmission path.
Preferably, the mounting seat is provided with a concave cavity, a bearing is embedded at the bottom of the concave cavity, and the transmission shaft is rotatably connected with the mounting seat through the bearing. The structure of the mounting seat is convenient for the reliable installation of the bearing, thereby ensuring that the transmission shaft and the transmission box form reliable rotary connection.
Preferably, the top of the transmission shaft is provided with a step with an enlarged diameter, the step is pressed on the end surface of the bearing, the top of the step is provided with a coupler, two ends of the coupler are respectively connected with the transmission shaft and the input shaft of the encoder, the step is externally sleeved with a wear-resistant sheath, and the outer diameter of the wear-resistant sheath is matched with the inner diameter of the concave cavity of the mounting seat. The step of transmission shaft can restrict the axial float of bearing, guarantees radial precision through the clamping of grinding the sheath simultaneously, is favorable to guaranteeing final angle measurement's accuracy. The transmission shaft and the encoder are connected through the coupler, so that the encoder is convenient to disassemble, assemble and debug.
Preferably, the measuring support is connected with the transmission shaft through a universal joint. The universal joint is arranged to connect the measuring support with the transmission box, so that reliable connection between the measuring support and the transmission box can be realized, independence between the measuring support and the transmission box can be kept, and disassembly and assembly during maintenance are facilitated.
Preferably, the transmission box is fixedly connected to an encoder bracket assembly, and the encoder bracket assembly is fixed to an attachment body of the forklift attachment. The transmission box is fixed with the attachment body through the encoder bracket assembly, so that structural changes to a conventional forklift are reduced, and the market is convenient to upgrade and reform products.
Preferably, the output end of the controller is electrically connected with an angle display window. The angle value detected by the three-way accessory rotation angle detection device can be displayed through the angle display window, so that an operator can conveniently and visually obtain the angle value.
The invention has the beneficial effects that:
the common forklift can more conveniently and accurately implement the rotation operation of the three-way accessory. The invention can accurately measure the rotation angle of the forklift attachment, forms intuitive and quantized operation parameters, is convenient for a control system to indicate an operator to more accurately master the minute of each step of operation, enables the forklift to more conveniently and accurately implement the rotation operation of the three-way attachment, and reduces the influence of personnel experience factors.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of the transmission structure of the present invention.
In the figure, 1-encoder adapter plate, 2-transmission box, 3-measuring support, 4-coupler, 5-transmission shaft, 6-bearing, 7-mounting seat, 8-wear-resistant sheath, 9-first gasket, 10-adapter plate fixing screw, 11-mounting cover, 12-universal joint, 13-second gasket, 14-fastening bolt, 15-elastic retainer ring for shaft, 16-encoder, 17-step and 18-encoder support assembly.
Detailed Description
The invention is further illustrated by the following specific embodiments in conjunction with the accompanying drawings.
Example (b):
as shown in fig. 1 and fig. 2, the device for detecting the rotation angle of the forklift three-way accessory comprises an encoder adapter plate 1, a transmission box 2, an encoder 16 and a measuring support 3, wherein the measuring support 3 is fixedly connected with a double-helix swing oil cylinder of the forklift accessory, the encoder adapter plate 1 is matched with a first gasket 9 through an adapter plate fixing screw 10 and is fixedly connected to the top of the transmission box 2, the encoder 16 is fixedly arranged on the encoder adapter plate 1 and is electrically connected with a controller in a forklift control system, and an angle indicating display window is electrically connected to the output end of the controller. An input shaft of the encoder 16 is in transmission connection with the measuring support 3 through the transmission box 2, the transmission box 2 is fixedly connected to an encoder support assembly 18, and the encoder support assembly 18 is fixed on an attachment body of a forklift attachment. The transmission box 2 is including installation lid 11, mount pad 7 and transmission shaft 5, installation lid 11, mount pad 7 is the rotator of taking the centre bore, 11 axle cross-sections of installation lid are nearly font, 7 axle cross-sections of mount pad are down nearly font, the bottom turn-ups of installation lid 11 is laminated and is equipped with second packing ring 13 through fastening bolt 14 and fix together with the top turn-ups of mount pad 7, transmission shaft 5 is connected with the transmission of measurement support 3, transmission shaft 5 rotates to be connected on mount pad 7 and extends into installation lid 11, mount pad 7 encloses synthetic cavity in again with encoder 16's input shaft. Be equipped with the cavity on the mount pad 7, the bearing 6 has been set to the cavity bottom, and transmission shaft 5 passes through bearing 6 to be connected with 7 rotations of mount pad, and the 5 global joints of transmission shaft that the opening part corresponds in cavity bottom have an axle circlip 15, and axle circlip 15 forms axial positioning to bearing 6. The top of the transmission shaft 5 is provided with a step 17 with the diameter enlarged, the step 17 is pressed on the end surface of the bearing 6, the top of the step 17 is provided with a coupler 4, two ends of the coupler 4 are respectively connected with the transmission shaft 5 and an input shaft of an encoder 16, a wear-resistant sheath 8 is sleeved outside the step 17, and the outer diameter of the wear-resistant sheath 8 is matched with the inner diameter of the cavity of the mounting seat 7. The measuring bracket 3 is connected with the transmission shaft 5 through a universal joint 12.
When the three-way attachment of the forklift is rotated, the measuring bracket 3 rotates along with the output shaft of the double-helix swing oil cylinder, the input shaft of the encoder 16 is driven to rotate through the transmission of the transmission box 2, the rotation of the three-way attachment forms a detection signal, and the detection signal is input into a forklift control system, so that the purpose of measuring the rotation angle of the attachment is achieved. The measured rotation angle of the accessory is displayed on the angle display window, so that an operator can be conveniently indicated to more accurately grasp the inch of each step of operation. After an operator operates the three-way accessory to rotate each time, the motion amplitude can be known through the indication of the angle indication display window, and the originally fuzzy spatial distance sense is relatively intuitively quantized through numerical values, so that the amplitude of follow-up action is better judged and controlled. Thus, the operator can quickly grasp the operation skill of the three-way attachment of the forklift with the aid of the rotation angle detection device for the three-way attachment of the forklift even without accumulating long-term experience.
Claims (6)
1. A device for detecting the rotation angle of a three-way accessory of a forklift is characterized by comprising an encoder adapter plate (1), a transmission box (2), an encoder (16) and a measurement support (3), wherein the measurement support (3) is fixedly connected with a double-helix swing oil cylinder of the accessory of the forklift, the encoder adapter plate (1) is fixedly connected to the top of the transmission box (2), the encoder (16) is fixedly arranged on the encoder adapter plate (1), an input shaft of the encoder (16) is in transmission connection with the measurement support (3) through the transmission box (2), the transmission box (2) is fixedly connected with an accessory vehicle body of the accessory of the forklift, the encoder (16) is electrically connected with a controller, the transmission box (2) is fixedly connected onto an encoder support assembly (18), and the encoder support assembly (18) is fixed onto the accessory vehicle body of the accessory of the forklift.
2. The device for detecting the rotation angle of the three-way accessory of the forklift truck as claimed in claim 1, wherein the transmission box (2) comprises a mounting cover (11), a mounting seat (7) and a transmission shaft (5), the mounting cover (11) and the mounting seat (7) are mounted and connected, the transmission shaft (5) is in transmission connection with the measuring bracket (3), and the transmission shaft (5) is rotatably connected to the mounting seat (7) and extends into a cavity surrounded by the mounting cover (11) and the mounting seat (7) and then is connected with an input shaft of the encoder (16).
3. The device for detecting the rotation angle of the three-way accessory of the forklift as recited in claim 2, wherein the mounting seat (7) is provided with a concave cavity, the bottom of the concave cavity is embedded with the bearing (6), and the transmission shaft (5) is rotatably connected with the mounting seat (7) through the bearing (6).
4. The rotation angle detection device for the three-way accessory of the forklift truck as claimed in claim 3, wherein the step (17) with an enlarged diameter is arranged at the top of the transmission shaft (5), the step (17) is pressed on the end face of the bearing (6), the top of the step (17) is provided with a coupler (4), two ends of the coupler (4) are respectively connected with the transmission shaft (5) and the input shaft of the encoder (16), a wear-resistant sheath (8) is sleeved outside the step (17), and the outer diameter of the wear-resistant sheath (8) is matched with the inner diameter of the cavity of the mounting seat (7).
5. The device for detecting the rotation angle of a three-way attachment of a forklift as claimed in claim 2, wherein the measuring bracket (3) is connected to the transmission shaft (5) by a universal joint (12).
6. The rotation angle detecting device of a three-way attachment of a forklift as claimed in claim 1, 2, 3, 4 or 5, wherein the output terminal of the controller is electrically connected to an angle display window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810312117.1A CN108592849B (en) | 2018-04-09 | 2018-04-09 | Rotation angle detection device for three-way attachment of forklift |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810312117.1A CN108592849B (en) | 2018-04-09 | 2018-04-09 | Rotation angle detection device for three-way attachment of forklift |
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| Publication Number | Publication Date |
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| CN108592849A CN108592849A (en) | 2018-09-28 |
| CN108592849B true CN108592849B (en) | 2021-03-30 |
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| CN201810312117.1A Active CN108592849B (en) | 2018-04-09 | 2018-04-09 | Rotation angle detection device for three-way attachment of forklift |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110779698B (en) * | 2019-11-04 | 2021-07-06 | 杭州杭叉机械设备制造有限公司 | Generic tool detection platform |
| CN112318206B (en) * | 2020-10-27 | 2022-04-12 | 黄淮学院 | Cutting flutter identification detection system and detection device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4568097B2 (en) * | 2004-11-29 | 2010-10-27 | Ｔｃｍ株式会社 | Steering angle detector |
| CN201716000U (en) * | 2010-05-14 | 2011-01-19 | 合肥搬易通科技发展有限公司 | Forklift wheel corner detecting and displaying device |
| CN103471556B (en) * | 2013-08-22 | 2016-08-17 | 恒天九五重工有限公司 | Rotary drilling rig upper-part rotation driving rotating angle measurement apparatus |
| CN204873747U (en) * | 2015-06-16 | 2015-12-16 | 福建龙合机械制造有限公司 | Accessory of three -dimensional stacker |
| CN206735723U (en) * | 2017-03-31 | 2017-12-12 | 深圳怡丰机器人科技有限公司 | Turn to detection means and its AGV fork trucks |
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| CN108592849A (en) | 2018-09-28 |
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