CN116714296A - Double-beam hydraulic machine with double anti-unbalanced load and adjustable height - Google Patents
Double-beam hydraulic machine with double anti-unbalanced load and adjustable height Download PDFInfo
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- CN116714296A CN116714296A CN202310997448.4A CN202310997448A CN116714296A CN 116714296 A CN116714296 A CN 116714296A CN 202310997448 A CN202310997448 A CN 202310997448A CN 116714296 A CN116714296 A CN 116714296A
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- 230000006835 compression Effects 0.000 claims abstract description 30
- 238000007906 compression Methods 0.000 claims abstract description 30
- 230000009977 dual effect Effects 0.000 claims description 14
- 230000009194 climbing Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 8
- 239000002131 composite material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention discloses a double-beam hydraulic machine with adjustable double-anti-unbalanced load height, which belongs to the field of hydraulic machines and comprises two compression work tables, a bottom beam and upright posts arranged at four corners of the bottom beam, wherein movable cross beams are commonly arranged at the tops of the four upright posts, safety locking devices are respectively arranged at the junctions of the movable cross beams and the four upright posts, the middle part of the bottom beam is fixedly connected with a main oil cylinder, and four leveling oil cylinders are symmetrically and fixedly connected on the periphery of the main oil cylinder in pairs. According to the invention, the safety locking device for precisely locking and unlocking the position of the movable cross beam is arranged, and the movable cross beam is controlled to be unlocked and locked before and after the height of the movable cross beam is regulated, so that the device can adapt to moulds with different heights, the balance degree of the movable cross beam is precisely controlled by matching the grid locking of the safety locking device with the double wedge-shaped guide sleeve, and the balance degree of the movable cross beam and a four-cylinder leveling system on the bottom beam form a double anti-unbalanced load system together, so that the pressed part is more precise.
Description
Technical Field
The invention relates to the technical field of hydraulic presses, in particular to a double-beam hydraulic press with double anti-unbalanced load and adjustable height.
Background
At present, the three-beam four-column three-cylinder down-pressing type structural hydraulic machine adopted by the mould pressing technology of the composite material on the market has the advantages of high manufacturing cost, redundant structure, single function, overhigh total height, no leveling system, extremely easy unbalanced load, uneven thickness of pressed parts, serious damage to the hydraulic machine, urgent research and development of the hydraulic machine, simple structure, low height, convenient pressing, and capability of matching the anti-unbalanced load system with the hydraulic machine of the dual anti-unbalanced load system of various composite material technologies, thereby being beneficial to pressing more precise parts with more consistent thickness of the parts.
The problem that the height of the movable cross beam is adjustable is not considered in the scheme of developing the double-beam structure hydraulic press at present newly in China, so that the problem that the height of the movable cross beam is different in the mould of the composite material mould pressing process production line, the situation that the height of the movable cross beam is different in the mould pressing process production line cannot be adapted, if the double-beam hydraulic press with the different height of the movable cross beam is manufactured for being adapted to different mould heights, resources are wasted too, the manufacturing cost is too high, the hydraulic press with an upper cross beam does not exist, and how to safely lock and safely unlock the movable cross beam before and after the height position is adjusted is a technical problem to be solved in the development of the double-beam hydraulic press.
Disclosure of Invention
The invention aims to provide a double-beam hydraulic machine with double anti-unbalanced load and adjustable height, which solves the problems that the existing hydraulic machine is easy to unbalanced load and cannot adapt to dies with different heights.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a dual-anti unbalanced load height-adjustable's double beam hydraulic press, includes two compression work platforms, floorbar and installs the stand in the floorbar four corners, four movable cross beam is installed jointly at the top of stand, movable cross beam all is equipped with safe locking device with the intersection of four stands, the middle part fixedly connected with master cylinder of floorbar, be located four leveling cylinders of pairwise symmetry fixedly connected with all around of master cylinder on the floorbar, one of them the compression work platform is installed in the lower part of movable cross beam, another the compression work platform is installed at the output of four leveling cylinders and master cylinder.
Preferably, the device further comprises four guide systems, plunger pushing beam cylinders and locking nuts, wherein the locking nuts are in threaded connection with the bottoms of the four upright posts and are propped against the bottom beam, the plunger pushing beam cylinders are in threaded connection with the periphery of the bottom beam, the plunger pushing beam cylinders are respectively and fixedly connected with the periphery of the bottom beam, the output ends of the plunger pushing beam cylinders are respectively and fixedly connected with the periphery of the movable cross beam, and the guide systems are arranged on the upright posts and are located in the movable cross beam.
Preferably, the safety locking device comprises a mounting seat, a housing, a self-locking nut, an opening and closing door, a lock pin for locking the opening and closing door, a linear guide rail, a base gear and wedge blocks, wherein the mounting seat is fixedly connected with a movable cross beam, the housing is fixedly connected to the upper portion of the mounting seat, the self-locking nut is arranged in the housing, the self-locking nut inner wall and the outer wall of a stand column are both provided with positioning grids matched with each other, the linear guide rail is fixedly connected to the upper surface of the mounting seat, the opening and closing door is two, the opening and closing door is respectively fixedly connected with two sides of the closing position of the self-locking nut, the bottom of the opening and closing door is limited and slidingly connected to the linear guide rail, through holes matched with the stand column are formed in the middle of the base gear, the number of the wedge blocks is two, the two wedge blocks are symmetrically distributed on two sides of the base gear, the opposite surfaces of the wedge blocks are provided with teeth meshed with the base gear, the opposite surfaces of the wedge blocks are respectively connected with the inner wall of the housing in a sliding mode, the two opposite surfaces of the wedge blocks are respectively provided with two opposite linear sliding grooves, and the two opposite linear sliding grooves are respectively matched with the two linear sliding grooves.
Preferably, the lockpin comprises double-acting cylinder, cylinder body, cylinder pole, round pin pole, magnet lock and buckle, magnet lock is half column, and two magnet lock symmetric distribution is in the both sides of round pin pole lateral wall, the quantity of double-acting cylinder is three, and three double-acting cylinder is the vertical fixed connection of linear equidistance on the door that opens and shuts of one side, magnet lock sets up the lateral part that opens and shuts the door at the opposite side, and the opposite side open and shut the door in seted up with magnet lock complex T type spout, be close to magnet lock's one end on the round pin pole and seted up with magnet lock complex buckle, cylinder body fixed connection is in the door that opens and shuts, cylinder pole fixed connection is at the output of cylinder body, just the tip fixed connection of cylinder pole and round pin pole, the round pin pole is pegged graft in two doors that open and shut, electric connection has the position controller that is used for discernment movable cross beam to climb the rise degree on the self-locking nut.
Preferably, the output ends of the leveling oil cylinder and the main oil cylinder are connected with the compression workbench at the lower part through flanges, and the lower part of the movable cross beam is connected with the compression workbench at the upper part through a clamping plate.
Preferably, the main oil cylinder is a piston cylinder, the leveling oil cylinder is a plunger cylinder, and a one-way valve is arranged in the leveling oil cylinder.
Preferably, the guiding system comprises an inner wedge sleeve, an outer wedge sleeve, a wedge groove formed in the outer wall of the inner wedge sleeve and a fastening bolt, wherein the inner wedge sleeve is sleeved on the upright post and fixedly connected with the movable cross beam through the fastening bolt, and the outer wedge sleeve is axially and slidably connected with the inner wedge sleeve through the wedge groove.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the safety locking device for precisely locking and unlocking the position of the movable cross beam is arranged, and the movable cross beam is controlled to be unlocked and locked before and after the height of the movable cross beam is adjusted, so that the device can be suitable for moulds with different heights.
2. According to the invention, the grid locking and double-wedge-shaped guide sleeve of the safety locking device are matched to precisely control the balance degree of the movable cross beam and the four-cylinder leveling system on the bottom beam to form a double-anti-unbalanced load system, so that the pressed part is more precise.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the portion A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a bottom view of the bottom beam of the present invention;
FIG. 4 is a schematic view of a safety locking device according to the present invention;
FIG. 5 is a second schematic structural view of the safety locking device of the present invention;
FIG. 6 is a schematic diagram III of a safety locking device according to the present invention;
FIG. 7 is a schematic view of the structure of the locking pin of the present invention;
FIG. 8 is a schematic view of the structure of the portion A of FIG. 2 according to the present invention;
FIG. 9 is a schematic view of the construction of the inner wedge sleeve of the present invention;
fig. 10 is a schematic view of the structure of the outer wedge sleeve of the present invention.
In the figure: 1. a safety locking device; 11. a mounting base; 12. a housing; 13. a self-locking nut; 131. a slide block; 14. a locking pin; 141. a double-acting cylinder; 142. a cylinder; 143. a cylinder rod; 144. a pin rod; 145. a magnet lock; 146. a buckle; 147. a T-shaped chute; 15. an opening/closing door; 16. a linear guide rail; 17. a base gear; 18. wedge blocks; 181. a straight line chute; 2. a movable cross beam; 3. a compression workbench; 4. a column; 5. a guide system; 51. an inner wedge sleeve; 52. an outer wedge sleeve; 53. wedge-shaped grooves; 54. a fastening bolt; 6. plunger pushing beam cylinder; 7. a bottom beam; 8. leveling oil cylinders; 9. a master cylinder; 10. and (5) locking the nut.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1 and 3, the present invention provides a technical solution: the utility model provides a dual-anti unbalanced load height-adjustable's double beam hydraulic press, including two compression work platform 3, the floorbar 7 and install the stand 4 in floorbar 7 four corners, movable cross beam 2 is installed jointly at the top of four stands 4, movable cross beam 2 all is equipped with safe locking device 1 with the junction of four stands 4, the middle part fixedly connected with master cylinder 9 of floorbar 7, be located four leveling cylinder 8 of two liang of symmetrical fixedly connected with all around of master cylinder 9 on the floorbar 7, one of them compression work platform 3 is installed in the lower part of movable cross beam 2, another compression work platform 3 is installed at the output of four leveling cylinder 8 and master cylinder 9.
The hydraulic press uses the stand column 4 as a connecting frame to integrally provide support, the safety locking device 1 locks the movable cross beam 2 and the stand column 4, the movable cross beam 2 can vertically move on the stand column 4 when the safety locking device 1 is unlocked, so that the hydraulic press can adapt to moulds with different heights, the bottom beam 7 is set as a main bearing beam, a main cylinder 9 and four main bodies of leveling cylinders 8 are fixedly connected onto the main beam, the cylinders are connected with the compression workbench 3 through flanges, the main cylinder 9 and the leveling cylinders 8 move upwards under the action of liquid pressure during working, mould closing is carried out after leveling, the main cylinder 9 downwards pulls the compression workbench 3 to open the mould by utilizing oil pressure, and the leveling cylinders 8 automatically reset by virtue of downward force of the main cylinder 9.
Referring to fig. 1, the four-column vertical column type movable cross beam further comprises a guide system 5, four plunger pushing beam cylinders 6 and four locking nuts 10, wherein the four locking nuts 10 are in threaded connection with the bottoms of the four vertical columns 4 and are propped against the bottom beam 7, the four plunger pushing beam cylinders 6 are respectively fixedly connected with the periphery of the bottom beam 7, output ends of the four plunger pushing beam cylinders 6 are respectively fixedly connected with the periphery of the movable cross beam 2, and the guide system 5 is arranged on the vertical columns 4 and is positioned in the movable cross beam 2.
The hydraulic press stand 4 is arranged to be cylindrical and serves as a guide shaft of a guide system 5 while being supported by the stand 4, the movable cross beam 2 can vertically lift on the stand 4, the bottoms of the four stand 4 are firmly connected with the bottom beam 7 through the lock nuts 10, the main body of the plunger pushing beam cylinder 6 is installed on the lower installation frame and is fixedly connected with the bottom beam 7, the head of the plunger rod is connected on the upper installation frame through a flange and is fixedly connected with the movable cross beam 2, the movable cross beam 2 is pushed upwards to adjust the height position by utilizing the liquid pressure after the safety locking device 1 is unlocked, the movable cross beam 2 is combined with the guide system 5 through self gravity to downwardly adjust the height position, and the highest limit position of the movable cross beam 2 is the maximum stroke of the plunger pushing beam cylinder 6.
Referring to fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, the safety locking device 1 comprises a mounting seat 11, a housing 12, a self-locking nut 13, an opening and closing door 15, a lock pin 14 for locking the opening and closing door 15, a linear guide 16, a base gear 17 and wedge blocks 18, wherein the mounting seat 11 is fixedly connected with the movable cross beam 2, the housing 12 is fixedly connected to the upper part of the mounting seat 11, the self-locking nut 13 is arranged in the housing 12, positioning grids matched with each other are arranged on the inner wall of the self-locking nut 13 and the outer wall of the upright post 4, the linear guide 16 is fixedly connected to the upper surface of the mounting seat 11, the opening and closing door 15 is two, the two opening and closing doors 15 are respectively fixedly connected with two sides of the closed position of the self-locking nut 13, the bottom limiting sliding connection of the opening and closing door 15 is arranged on the linear guide 16, through holes matched with the upright post 4 are formed in the middle of the base gear 17, the two wedge blocks 18 are symmetrically distributed on two sides of the base gear 17, teeth meshed with the base gear 17 are arranged on opposite sides of the two wedge blocks 18, the opposite sides of the two wedge blocks 18 are respectively provided with teeth meshed with the base gear 17, the two wedge blocks 18 are symmetrically connected with the two side surfaces of the inner wall of the housing 12, the two wedge blocks are respectively, the two wedge blocks are in opposite side of the straight sliding blocks 181, and the two end faces of the wedge blocks are respectively connected with the straight sliding blocks and the opposite slide blocks are opposite end blocks and the opposite each other.
The installation seat 11 is fixedly connected with the movable cross beam 2 through bolts, the inside of the adjustable self-locking nut 13 is in a grid shape and matched with the grid of the upright post 4, two wedge blocks 18 are symmetrically distributed below the adjustable self-locking nut 13 and close to the opening and closing door 15 relative to the self-locking nut 13 and are positioned in the installation seat 11, when the movable cross beam 2 reaches a set height, the base gear 17 rotates to drive the wedge blocks 18 on two sides to move forwards and move backwards, the sliding blocks 131 at the bottom of the adjustable self-locking nut 13 slide along the two groups of linear sliding grooves 181 with opposite inclination angles, the self-locking nut 13 is retracted and positioned between the positioning grid and the upright post 4, and the locking pin 14 works to drive the opening and closing door 15 to a designated position to lock the locking pin 14.
Referring to fig. 4 and 7, the lock pin 14 is composed of a double-acting cylinder 141, a cylinder body 142, a cylinder rod 143, a pin rod 144, a magnet lock 145 and a buckle 146, the magnet lock 145 is semi-cylindrical, two magnet locks 145 are symmetrically distributed on two sides of the side wall of the pin rod 144, the number of the double-acting cylinders 141 is three, the three double-acting cylinders 141 are linearly and equidistantly vertically and fixedly connected to one side of the opening and closing door 15, the magnet lock 145 is arranged on the side of the other side of the opening and closing door 15, a T-shaped chute 147 matched with the magnet lock 145 is formed in the other side of the opening and closing door 15, a buckle 146 matched with the magnet lock 145 is formed at one end, close to the magnet lock 145, of the pin rod 144, of the cylinder body 142 is fixedly connected to the opening and closing door 15, the cylinder rod 143 is fixedly connected to the output end of the cylinder rod 142, the cylinder rod 143 is fixedly connected to the end of the pin rod 144, the pin rod 144 is inserted into the two opening and closing doors 15, and the position controller for identifying the climbing height of the movable cross beam 2 is electrically connected to the self-locking nut 13.
The adjustable self-locking nut 13 is electrically connected with a position controller, the position controller comprises a sensing unit and is used for identifying the climbing height of the movable cross beam 2, the grid of the control upright post 4 is precisely locked with the grid of the adjustable self-locking nut 13, the grid is in controlled coordination, the double-acting cylinder 141 starts to work to compress air, the cylinder rod 143 stretches out to push the pin rod 144 to move forward into a lock hole of the opposite opening and closing door 15, a position sensor is arranged on the lock pin 14, after the position of the magnet lock 145 is reached by the buckle 146 on the pin rod 144, the two magnet locks 145 are controlled to be electrified, the two magnet locks 145 are mutually adsorbed and clamped on the buckle 146 of the pin rod 144 along the T-shaped chute 147 to achieve the locking effect, after the controlled outage, the two magnet locks 145 are released to move out of the buckle 146, the double-acting cylinder 141 works to pull the pin rod 144, and the adjustable self-locking nut 13 is moved out along with the chute of the wedge block 18 to achieve the unlocking effect.
Referring to fig. 1, the output ends of the leveling cylinder 8 and the master cylinder 9 are connected with the compression table 3 at the lower part through flanges, and the lower part of the movable cross beam 2 is connected with the compression table 3 at the upper part through clamping plates.
The two compression work tables 3 are arranged at the upper and lower parts of the hydraulic machine through flanges and clamping plates, so that the compression work tables 3 can be disassembled, assembled, replaced or maintained from the hydraulic machine.
Referring to fig. 1, a master cylinder 9 is a piston cylinder, a leveling cylinder 8 is a plunger cylinder, and a check valve is provided inside the leveling cylinder 8.
In the process of die assembly, the movable cross beam 2 with the well-regulated height is fixed, the main oil cylinder 9 on the bottom beam 7 moves upwards to perform die assembly, the leveling oil cylinder 8 is internally provided with a one-way valve, and the leveling oil cylinder can be used as a pressurizing cylinder to lock the upper die and the lower die after die assembly.
Referring to fig. 1, 2, 8, 9 and 10, the guiding system 5 includes an inner wedge sleeve 51, an outer wedge sleeve 52, a wedge groove 53 formed on the outer wall of the inner wedge sleeve 51, and a fastening bolt 54, wherein the inner wedge sleeve 51 is sleeved on the upright post 4 and fixedly connected with the movable cross beam 2 through the fastening bolt 54, and the outer wedge sleeve 52 is axially slidably connected with the inner wedge sleeve 51 through the wedge groove 53.
The upright post 4 of the hydraulic press is arranged to be cylindrical and serves as a guide shaft of the guide system 5 while being supported by the upright post 4, when the outer wedge-shaped sleeve 52 moves upwards, the wedge-shaped sleeve 51 acts inwards, so that the guide sleeve is more attached to the upright post 4, the situation that the gap between the guide sleeve and the upright post 4 is too large is avoided, the deflection is caused, and each double-wedge-shaped guide sleeve is arranged at the joint part of each upright post 4 and the movable cross beam 2 up and down to guide the up and down movement of the movable cross beam 2.
Working principle: the invention provides a double-anti-bias-load height-adjustable double-beam hydraulic machine, a double-cavity die is adopted, a lower die plate moves upwards, an existing composite material hydraulic machine is not provided with an active parallel leveling system, a leveling cylinder 8 is suitable for eccentric load application upright posts 4 as a connecting frame, grids with locking functions are arranged at the joints of the upper side and the movable beam 2, four upright posts 4 are respectively arranged at four corners of a bottom beam 7, the bottom beam 7 is fixed at the bottom by locking nuts 10, the movable beam 2 is arranged above the bottom beam 7 in a same way, a main cylinder 9 is arranged at the center of the bottom beam 7, four leveling cylinders 8 are arranged upwards in a circumferential symmetry, piston rods of the main cylinder 9 and the front ends of plunger rods of the leveling cylinders 8 are directly connected with a compression workbench 3, the height of the movable beam 2 matched with the compression die is determined, the plunger pushing cylinders 6 push the movable beam 2 to move upwards, a guide system 5 is used for controlling a base gear 17 of a safety locking device 1 to rotate to drive two side wedge blocks 18 to move forwards after the movable beam 2 reaches a specified position, an adjustable self-locking cylinder 13 moves towards the grid position, meanwhile, a working pushing pin rod 144 starts to work in the same way as a locking cylinder 15 is arranged above the bottom beam 7, a die plate 144 is pushed by a clamping rod 144 is pushed by a die cylinder 15, a sensing pin 144 is pushed by a clamping rod 144 is pushed by a high-pressure force, the die plate is matched with the leveling cylinder 8 is matched with the compression die, the compression die plate is matched with the compression die plate is positioned by the compression die plate, and the compression die plate is positioned by the compression die cylinder and the compression die cylinder is positioned.
After the pressing is finished, the main oil cylinder 9 pulls the compression workbench 3 downwards by oil pressure to open the die, and the leveling oil cylinder 8 automatically resets by means of the downward force of the main oil cylinder 9. The movable cross beam 2 is combined with the guide system 5 by means of self gravity to restore the self height position downwards, wherein the highest limit position of the movable cross beam 2 is the maximum stroke of the plunger pushing beam cylinder 6.
The safety locking device 1 precisely controls the locking position of the movable cross beam 2, the double-wedge-shaped guide sleeve can adjust the balance degree of the pressing upright post 4 and the movable cross beam 2, and the two can jointly keep the balance of the movable cross beam 2, so that unbalanced load caused by angle deviation is avoided.
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 (7)
1. The utility model provides a two roof beam hydraulic press of dual anti unbalance loading height-adjustable, includes two compression workstation (3), floorbar (7) and installs stand (4) in floorbar (7) four corners, its characterized in that: the four movable cross beams (2) are jointly installed at the tops of the upright posts (4), safety locking devices (1) are arranged at the junctions of the movable cross beams (2) and the four upright posts (4), a main oil cylinder (9) is fixedly connected to the middle of a bottom beam (7), four leveling oil cylinders (8) are symmetrically and fixedly connected to the periphery of the main oil cylinder (9) on the bottom beam (7), one of the leveling oil cylinders (8) is installed at the lower portion of the movable cross beam (2), and the other leveling oil cylinder (8) and the output end of the main oil cylinder (9) are installed at the compression work table (3).
2. The dual beam hydraulic machine with adjustable dual anti-unbalanced load height of claim 1, wherein: still include guide system (5), plunger push away beam jar (6) and lock nut (10), lock nut (10) are four, and four lock nut (10) threaded connection offsets in the bottom of four stand (4) and with floorpan (7), plunger push away beam jar (6) are four, and four plunger push away beam jar (6) respectively fixed connection around floorpan (7), four the output of plunger push away beam jar (6) is fixed connection around movable cross beam (2) respectively, guide system (5) set up on stand (4) and be located movable cross beam (2).
3. The dual beam hydraulic machine with adjustable dual anti-unbalanced load height of claim 1, wherein: the safety locking device (1) comprises a mounting seat (11), a shell (12), a self-locking nut (13), an opening and closing door (15), a lock pin (14) for locking the opening and closing door (15), two linear guide rails (16), a base gear (17) and wedge blocks (18), wherein the mounting seat (11) is fixedly connected with a movable cross beam (2), the shell (12) is fixedly connected to the upper part of the mounting seat (11), the self-locking nut (13) is arranged in the shell (12), the inner wall of the self-locking nut (13) and the outer wall of a stand column (4) are respectively provided with a positioning grid matched with each other, the linear guide rails (16) are fixedly connected to the upper surface of the mounting seat (11), the opening and closing door (15) are respectively fixedly connected with two sides of the closing position of the self-locking nut (13), the bottom of the opening and closing door (15) is fixedly connected to the linear guide rails (16), through holes matched with the stand column (4) are formed in the middle of the base gear (17), the number of the wedge blocks (18) are symmetrically distributed on the two wedge blocks (17) and the two wedge blocks (17) are meshed with the two wedge blocks (17), the two wedge blocks (18) are in linear sliding connection in the mounting seat (11), the upper surfaces of the two wedge blocks (18) are respectively provided with linear sliding grooves (181) with opposite inclination angles, and the lower end faces of the self-locking nuts (13) are symmetrically and fixedly connected with sliding blocks (131) matched with the two groups of linear sliding grooves (181).
4. A dual beam hydraulic machine with dual anti-unbalanced load height adjustment according to claim 3, wherein: the utility model provides a high-speed automatic locking device for the electric coupler, which comprises a cross beam, and is characterized in that a lock pin (14) comprises double-acting cylinder (141), cylinder body (142), cylinder pole (143), round pin pole (144), magnet lock (145) and buckle (146), magnet lock (145) are half-cylindrical, and two magnet lock (145) symmetric distribution is in the both sides of round pin pole (144) lateral wall, the quantity of double-acting cylinder (141) is three, and three double-acting cylinder (141) are the vertical fixed connection of linear equidistance on opening and shutting door (15) of one side, magnet lock (145) set up the lateral part of door (15) in the opposite side, and open and shut door (15) in the opposite side seted up with magnet lock (145) complex T type spout (147), be close to magnet lock (145) complex buckle (146) on round pin pole (144), cylinder body (142) fixed connection is in opening and shutting door (15), cylinder pole (143) fixed connection is at the output of cylinder body (142), just cylinder pole (141) and round pin pole (144) fixed connection are used for the high-speed coupler in the electric coupler (2) position of climbing.
5. The dual beam hydraulic machine with adjustable dual anti-unbalanced load height of claim 1, wherein: the output ends of the leveling oil cylinder (8) and the main oil cylinder (9) are connected with the compression workbench (3) at the lower part through flanges, and the lower part of the movable cross beam (2) is connected with the compression workbench (3) at the upper part through a clamping plate.
6. The dual beam hydraulic machine with adjustable dual anti-unbalanced load height of claim 5, wherein: the main oil cylinder (9) is a piston cylinder, the leveling oil cylinder (8) is a plunger cylinder, and a one-way valve is arranged in the leveling oil cylinder (8).
7. The dual beam hydraulic machine with adjustable dual anti-unbalanced load height of claim 2, wherein: the guide system (5) comprises an inner wedge-shaped sleeve (51), an outer wedge-shaped sleeve (52), a wedge-shaped groove (53) formed in the outer wall of the inner wedge-shaped sleeve (51) and a fastening bolt (54), wherein the inner wedge-shaped sleeve (51) is sleeved on the upright post (4) and fixedly connected with the movable cross beam (2) through the fastening bolt (54), and the outer wedge-shaped sleeve (52) is axially and slidably connected with the inner wedge-shaped sleeve (51) through the wedge-shaped groove (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310997448.4A CN116714296A (en) | 2023-08-09 | 2023-08-09 | Double-beam hydraulic machine with double anti-unbalanced load and adjustable height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310997448.4A CN116714296A (en) | 2023-08-09 | 2023-08-09 | Double-beam hydraulic machine with double anti-unbalanced load and adjustable height |
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| Publication Number | Publication Date |
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| CN102152261A (en) * | 2011-03-28 | 2011-08-17 | 上海大学 | Centering, positioning, self-locking and clamping device used in automatic press mounting special machine of automobile transmission shaft |
| CN102180238A (en) * | 2011-04-15 | 2011-09-14 | 宝鸡石油机械有限责任公司 | Locking device of self-elevating platform |
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| CN106427011A (en) * | 2016-09-09 | 2017-02-22 | 宁波精达成形装备股份有限公司 | Composite material forming machine |
| CN114193810A (en) * | 2021-12-15 | 2022-03-18 | 合肥合锻智能制造股份有限公司 | Large split type thick plate end socket forming hydraulic machine with double-driving four-corner leveling function |
| CN216760936U (en) * | 2021-12-08 | 2022-06-17 | 中国第一重型机械股份公司 | Column type guide structure and hydraulic press |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100999025A (en) * | 2006-12-30 | 2007-07-18 | 李新平 | Self-locking type hand fastening drill clutch |
| CN201669364U (en) * | 2010-04-09 | 2010-12-15 | 太原重工股份有限公司 | Loading system for eccentric-load resistance of free-forging hydraulic press |
| CN102152261A (en) * | 2011-03-28 | 2011-08-17 | 上海大学 | Centering, positioning, self-locking and clamping device used in automatic press mounting special machine of automobile transmission shaft |
| CN102180238A (en) * | 2011-04-15 | 2011-09-14 | 宝鸡石油机械有限责任公司 | Locking device of self-elevating platform |
| CN103645045A (en) * | 2013-12-24 | 2014-03-19 | 威海市试验机制造有限公司 | Aircraft inclined stay bar testing machine |
| CN106427011A (en) * | 2016-09-09 | 2017-02-22 | 宁波精达成形装备股份有限公司 | Composite material forming machine |
| CN216760936U (en) * | 2021-12-08 | 2022-06-17 | 中国第一重型机械股份公司 | Column type guide structure and hydraulic press |
| CN114193810A (en) * | 2021-12-15 | 2022-03-18 | 合肥合锻智能制造股份有限公司 | Large split type thick plate end socket forming hydraulic machine with double-driving four-corner leveling function |
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