CN211333203U - Heavy-load linear four-axis motion mechanism - Google Patents
Heavy-load linear four-axis motion mechanism Download PDFInfo
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- CN211333203U CN211333203U CN201922326101.9U CN201922326101U CN211333203U CN 211333203 U CN211333203 U CN 211333203U CN 201922326101 U CN201922326101 U CN 201922326101U CN 211333203 U CN211333203 U CN 211333203U
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
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- 238000003466 welding Methods 0.000 claims description 3
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Abstract
The utility model discloses a heavy-load linear four-axis motion mechanism, which comprises a linear motion mechanism, a rotary speed reducer, a double-oil-cylinder swing mechanism and a crossed four-bar linkage mechanism; the rotary speed reducer is connected with the double-oil-cylinder swinging mechanism and the crossed four-bar linkage mechanism through pin shafts, and the heavy-load workpiece is fixed on the load mounting fixture; a fixed seat on the rotary speed reducer is fixedly connected with a flange plate in the linear motion mechanism, and the four-bar mechanism is connected and driven through a four-bar driving oil cylinder. The utility model discloses compact structure, the load is big, satisfies the heavy load drive, and the maintenance cost is low, increases the linear motion axle, improves the motion precision of motion arm, improves the operating efficiency.
Description
Technical Field
The utility model relates to a motion specifically is a heavy load straight line four-axis motion.
Background
In a multi-degree-of-freedom motion arm structure in the heavy industry, various actions of a motion arm are mainly completed through hydraulic control, transmission of joint parts of each structure is formed by a hydraulic system and hydraulic elements, the overall structure is large, and the angle distances of a plurality of rotating shafts are long. The lifting device is mainly used for lifting and grabbing large heavy-load cargos.
The traditional moving arm mainly has the following defects: 1. the combination of traditional motion arm degree of freedom mainly passes through, and is flexible, rotatory, and the swing is arranged, is unfavorable for accurate motion, and efficiency is not high. 2. The rotational degrees of freedom of the transmission motion arm are far away from each other, and the occupied space is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at above problem, provide a heavy load straight line four-axis motion, compact structure, the load is big, satisfies the heavy load drive, and the maintenance cost is low, increases the linear motion axle, improves the motion precision of motion arm, improves the operating efficiency.
In order to realize the above purpose, the utility model adopts the technical scheme that: the device comprises a linear motion mechanism, a rotary speed reducer, a double-oil-cylinder swing mechanism and a crossed four-bar linkage mechanism; the rotary speed reducer is connected with the double-oil-cylinder swinging mechanism and the crossed four-bar linkage mechanism through pin shafts, and the heavy-load workpiece is fixed on the load mounting fixture; a fixed seat on the rotary speed reducer is fixedly connected with a flange plate in the linear motion mechanism, and the four-bar mechanism is connected and driven through a four-bar driving oil cylinder.
For satisfying the heavy load drive, it is further, linear motion mechanism includes load sectional fixture, double-end hydro-cylinder and butt joint ring flange, and load sectional fixture and two support fixed connection that are parallel to each other, two cylinder guide rails of fixed connection between two supports, two axle sleeves of butt joint ring flange bottom fixed connection, the axle sleeve is installed on cylinder guide rail, double-end hydro-cylinder's cylinder and butt joint ring flange fixed connection, double-end hydro-cylinder's oil pole and load sectional fixture are connected.
In order to optimize the mounting structure, the support comprises a support body part connected with the load mounting fixture, a notch is formed in the middle of the support body part and used for allowing an oil rod in the double-head oil cylinder to freely pass through the notch, a fixing lug is arranged on the support body part and located in the notch, and the oil rod of the double-head oil cylinder passes through the notch and then is connected with the fixing lug through a bolt.
In order to optimize the mounting structure, the butt joint flange plate is of a rectangular structure.
In order to optimize the production process, the flange plate is further welded and fixed on the butt joint flange plate.
In order to optimize the mounting structure, the bracket and the load mounting fixture are fixed by welding.
In order to optimize the production process, the double-end oil cylinder is further connected with the mounting block through a bolt, and the mounting block is fixed with the butt-joint flange plate through a bolt.
The utility model has the advantages that: the utility model discloses compact structure, the load is big, satisfies the heavy load drive, and the maintenance cost is low, increases the linear motion axle, improves the motion precision of motion arm, improves the operating efficiency.
The utility model discloses utilize two hydro-cylinder swing mechanism, alternately four-bar linkage and rotary reducer to become the rotatory motion of three degrees of freedom in compact space, greatly reduced structure space improves the motion efficiency.
The utility model provides a linear motion mechanism passes through oil circuit control, and drive load sectional fixture about double-end hydro-cylinder can, and the load links to each other with load sectional fixture, no matter what kind of position in space of anchor clamps, load sectional fixture all can effective linear motion, guarantees the stability and the heavy load ability of structure.
Drawings
Fig. 1 is a schematic view of a first angle three-dimensional structure of the present invention.
Fig. 2 is a schematic view of a second angle perspective structure of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a schematic perspective view of the center line movement mechanism of the present invention.
Fig. 5 is a schematic front view of the center line movement mechanism of the present invention.
Fig. 6 is a partially enlarged view of a in fig. 5.
Fig. 7 is a schematic structural view of the middle support of the present invention.
The text labels in the figures are represented as: 1. a linear motion mechanism; 2. a rotary speed reducer; 3. a double-cylinder swing mechanism; 4. a crossed four-bar linkage; 5. a fixed seat; 6. the oil cylinder swings left and right; 7. the four-connecting-rod driving oil cylinder; 101. a load mounting fixture; 102. a support; 103. a cylindrical guide rail; 104. butting the flange plates; 105. a double-ended cylinder; 106. a shaft sleeve; 107. a flange plate; 108. mounting blocks; 1021. a frame body part; 1022. a notch; 1023. and fixing the ears.
Detailed Description
In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.
As shown in fig. 1-7, the specific structure of the present invention is: the device comprises a linear motion mechanism 1, a rotary speed reducer 2, a double-oil-cylinder swing mechanism 3 and a crossed four-bar linkage mechanism 4; the rotary speed reducer 2 is connected with the double-oil-cylinder swinging mechanism 3 and the double-oil-cylinder swinging mechanism 3 is connected with the crossed four-bar linkage mechanism 4 through pin shafts, and a heavy-load workpiece is fixed on the load mounting fixture 101; the fixed seat 5 on the rotary speed reducer 2 is fixedly connected with a flange 107 in the linear motion mechanism 1, and the four-bar mechanism 4 is connected and driven through a four-bar driving oil cylinder 7.
In this embodiment, as shown in fig. 4, in order to satisfy heavy-duty driving, preferably, the linear motion mechanism 1 includes a load mounting fixture 101, a double-headed cylinder 105, and a docking flange 104, the load mounting fixture 101 is fixedly connected to two parallel brackets 102, two cylindrical guide rails 103 are fixedly connected between the two brackets 102, two shaft sleeves 106 are fixedly connected to the bottom of the docking flange 104, the shaft sleeves 106 are mounted on the cylindrical guide rails 103, a cylinder of the double-headed cylinder 105 is fixedly connected to the docking flange 104, and an oil rod of the double-headed cylinder 105 is connected to the load mounting fixture 101.
In this embodiment, as shown in fig. 7, in order to optimize the processing and mounting structure of the bracket, preferably, the bracket 102 includes a frame body portion 1021 connected to the load mounting fixture 101, a notch 1022 for allowing an oil rod of the double-headed cylinder 105 to freely pass through is provided in a middle portion of the frame body portion 1021, a fixing lug 1023 is provided on the frame body portion 1021 and at the notch 1022, and the oil rod of the double-headed cylinder 105 passes through the notch 1022 and then is connected to the fixing lug 1023 by a bolt.
In this embodiment, as shown in fig. 4, for optimizing the installation structure, it is preferable that the docking flange 104 has a rectangular structure.
In this embodiment, as shown in fig. 4, to optimize the mounting structure, it is preferable that the flange 107 is welded to the mating flange 104.
In the present embodiment, as shown in fig. 4, in order to optimize the production process, it is preferable that the bracket 102 and the load mounting jig 101 are fixed by welding.
In this embodiment, as shown in fig. 4-7, in order to optimize the mounting structure, it is preferable that the stud cylinder 105 is connected to the mounting block 108 by a bolt, and the mounting block 108 is fixed to the abutting flange 104 by a bolt.
The working principle is as follows: through a hydraulic pipeline, a double-end oil cylinder, a rotary speed reducer, a left-right swinging oil cylinder and a four-connecting-rod driving oil cylinder in a driving linear motion mechanism realize the motion of three rotational degrees of freedom and the motion of one linear degree of freedom, and through the reasonable design of the structure and the characteristics of hydraulic elements, the rotation and the linear movement of a workpiece in a space of 360 degrees are realized.
The linear motion mechanism is controlled through an oil way, the double-end oil cylinder can drive the load mounting fixture left and right, the load is connected with the load mounting fixture in a certain mode (such as bolt connection), no matter what position of the load mounting fixture in space, the load mounting fixture can do effective linear motion, and the stability and the heavy-load capacity of the structure are guaranteed.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.
Claims (7)
1. A heavy-load linear four-axis motion mechanism is characterized by comprising a linear motion mechanism (1), a rotary speed reducer (2), a double-oil-cylinder swing mechanism (3) and a crossed four-bar linkage mechanism (4); the rotary speed reducer (2) is connected with the double-oil-cylinder swing mechanism (3) and the double-oil-cylinder swing mechanism (3) is connected with the crossed four-bar linkage mechanism (4) through pin shafts, and a heavy-load workpiece is fixed on the load mounting clamp (101); a fixed seat (5) on the rotary speed reducer (2) is fixedly connected with a flange (107) in the linear motion mechanism (1), and the four-bar mechanism (4) is connected and driven through a four-bar driving oil cylinder (7).
2. The heavy-duty linear four-axis motion mechanism is characterized in that the linear motion mechanism (1) comprises a load mounting fixture (101), a double-headed oil cylinder (105) and a butt flange (104), the load mounting fixture (101) is fixedly connected with two parallel supports (102), two cylindrical guide rails (103) are fixedly connected between the two supports (102), two shaft sleeves (106) are fixedly connected to the bottom of the butt flange (104), the shaft sleeves (106) are mounted on the cylindrical guide rails (103), a cylinder barrel of the double-headed oil cylinder (105) is fixedly connected with the butt flange (104), and an oil rod of the double-headed oil cylinder (105) is connected with the load mounting fixture (101).
3. The heavy-duty linear four-axis motion mechanism as claimed in claim 2, wherein the bracket (102) comprises a frame body part (1021) connected with the load mounting fixture (101), a notch (1022) for allowing an oil rod in the double-headed cylinder (105) to freely pass through is arranged in the middle of the frame body part (1021), a fixing lug (1023) is arranged on the frame body part (1021) and positioned in the notch (1022), and the oil rod of the double-headed cylinder (105) passes through the notch (1022) and then is connected with the fixing lug (1023) through a bolt.
4. A heavy-duty linear four-axis motion mechanism according to claim 2, wherein the docking flange (104) is of rectangular configuration.
5. A heavy-duty linear four-axis kinematics according to claim 2, wherein the flange (107) is welded to the abutment flange (104).
6. A heavy-duty linear four-axis kinematic mechanism according to claim 2, in which the bracket (102) is fixed to the load mounting fixture (101) by welding.
7. The heavy-duty linear four-axis motion mechanism as claimed in claim 2, wherein the stud cylinder (105) is connected with the mounting block (108) through a bolt, and the mounting block (108) is fixed with the butt flange (104) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922326101.9U CN211333203U (en) | 2019-12-23 | 2019-12-23 | Heavy-load linear four-axis motion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922326101.9U CN211333203U (en) | 2019-12-23 | 2019-12-23 | Heavy-load linear four-axis motion mechanism |
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| Publication Number | Publication Date |
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| CN211333203U true CN211333203U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922326101.9U Expired - Fee Related CN211333203U (en) | 2019-12-23 | 2019-12-23 | Heavy-load linear four-axis motion mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900593A (en) * | 2019-12-23 | 2020-03-24 | 湖南杰希重工有限公司 | Heavy-load linear four-axis motion mechanism |
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2019
- 2019-12-23 CN CN201922326101.9U patent/CN211333203U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900593A (en) * | 2019-12-23 | 2020-03-24 | 湖南杰希重工有限公司 | Heavy-load linear four-axis motion mechanism |
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Granted publication date: 20200825 |
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| CF01 | Termination of patent right due to non-payment of annual fee |