CN117263042B - Hydraulic power-assisted balancing device for oil cylinder welding - Google Patents
Hydraulic power-assisted balancing device for oil cylinder welding Download PDFInfo
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- CN117263042B CN117263042B CN202311553228.9A CN202311553228A CN117263042B CN 117263042 B CN117263042 B CN 117263042B CN 202311553228 A CN202311553228 A CN 202311553228A CN 117263042 B CN117263042 B CN 117263042B
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- oil cylinder
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- 238000003466 welding Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 239000000725 suspension Substances 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 210000000245 forearm Anatomy 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 3
- 230000005484 gravity Effects 0.000 abstract description 10
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 79
- 230000009471 action Effects 0.000 description 15
- 230000003068 static effect Effects 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/825—Bracing equipment acting in horizontal direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manipulator (AREA)
Abstract
The invention relates to the technical field of balance cranes, and discloses a hydraulic power-assisted balancing device for oil cylinder welding, which comprises a balance connecting rod mechanism, wherein the balance connecting rod mechanism comprises a front arm, a swing arm, an adjusting arm and a supporting arm, one ends of the adjusting arm and the supporting arm are rotatably connected, a movable roller is arranged at the joint, a supporting table is arranged at the bottom of the movable roller, a telescopic rod is arranged in the middle of the supporting table, the output end of the telescopic rod is connected with the movable roller, and the movable roller is horizontally arranged above the supporting table in a sliding manner. The tail of the front arm is connected with the adjusting arm, when the front arm stretches forwards, the adjusting arm is driven to move forwards, the bottom end of the supporting arm is driven to move forwards by the adjusting arm, the other end of the supporting arm drives the front end of the swing arm to slightly move downwards, the gravity center of the lever formed by the swing arm and the hanging counterweight assembly is deviated to one side of the driving oil cylinder, and then the self-locking safety assembly can be triggered to move towards the hanging counterweight assembly, so that a person pushes the oil cylinder forwards, and the oil cylinder is more labor-saving when being close to a placement position.
Description
Technical Field
The invention relates to the technical field of balance cranes, in particular to a hydraulic power-assisted balancing device for oil cylinder welding.
Background
The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and reciprocates using the mechanical energy. The device has simple structure and reliable operation. When it is used to realize reciprocating motion, it can eliminate speed reducer, and has no transmission clearance and smooth motion, so that it can be widely used in hydraulic systems of various machines.
In the welding process of the hydraulic oil cylinder, the oil cylinder is required to be placed on a welding frame, the oil cylinder is fixed, the general movement of the oil cylinder is that the oil cylinder is lifted up and placed on the welding frame through a lifting device, the lifting device is required to be removed, and the heavy oil cylinder is required to be moved slightly by manpower to be in a proper position;
however, in the moving process, as the lifting device is removed, the oil cylinder becomes heavy, and the upper parts of some welding frames are formed by brackets, so that when the oil cylinder moves manually, the oil cylinder needs to be carefully aligned with the supporting points of the welding frames for moving; or when moving on a flat welding platform, the oil cylinder is difficult to move due to the fact that the contact area between the oil cylinder and the welding platform is too large and the weight of the oil cylinder is too heavy, friction is caused between the oil cylinder and the welding platform during movement, and the surface of the oil cylinder is damaged; some workman can remove hoist device under the condition that does not remove, remove the hydro-cylinder with hoist device auxiliary manual work, at first hoist device is in unsettled state with the hydro-cylinder when lifting, need the manual work to push the unsettled hydro-cylinder to the position of placing, rethread hoist device makes the hydro-cylinder fall, be difficult to accurate location like this, because the hydro-cylinder is in the promotion in-process, hoist device can't cooperate the manual work to translate the hydro-cylinder, can only push through the manual work, the hydro-cylinder is under the action of gravity at this moment, need artifical powerful to promote, can influence the steady between hydro-cylinder and the hoist device, and then when hoist device hangs the hydro-cylinder for a long time, in addition manual work promotes, can cause hoist device to lose balance, hydro-cylinder one side weightlessness drops, lift the hoist device other end suddenly, hurt other workman.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme: the hydraulic power-assisted balancing device for oil cylinder welding comprises a balancing connecting rod mechanism, wherein the balancing connecting rod mechanism comprises a front arm, a swing arm, an adjusting arm and a supporting arm, one ends of the adjusting arm and the supporting arm are rotatably connected, a movable roller is arranged at the joint, a supporting table is arranged at the bottom of the movable roller, a telescopic rod is arranged in the middle of the supporting table, the output end of the telescopic rod is connected with the movable roller, and the movable roller is horizontally arranged above the supporting table in a sliding manner;
the tail part of the swing arm is provided with a lifting adjusting assembly, and the lifting adjusting assembly is used for adjusting the height of the front arm;
the tail part of the swing arm is provided with a hanging counterweight assembly, and the joint of the hanging counterweight assembly and the swing arm is vertically and slidably arranged at the tail part of the supporting table;
when the telescopic rod drives the moving roller to move towards the direction of the suspended counterweight assembly, the far end of the swing arm rises, and the front arm is retracted towards the direction of the supporting table;
a balancing mechanism is arranged in the middle of the upper part of the supporting table and used for balancing the suspension counterweight assembly and the oil cylinder on the forearm;
in the moving process of the oil cylinder, one side, close to the oil cylinder, of the balance mechanism is compressed, and the oil cylinder moves to bear resistance;
the self-locking safety assembly and the traction rope are arranged below the suspension counterweight assembly, one end of the traction rope is connected with the self-locking safety assembly, and the other end of the traction rope is wound at the rotating connection part of the swing arm and the suspension counterweight assembly.
Preferably, the tail part of the front arm is rotationally connected with the far end of the swing arm, the far end of the adjusting arm is rotationally connected with one end of the front arm close to the swing arm, the other end of the supporting arm is rotationally connected with one end of the swing arm close to the tail part through a connecting shaft, and the front arm, the swing arm, the adjusting arm and the supporting arm are in a parallelogram structure.
Preferably, limit grooves are formed in two sides above the supporting table, two ends of the moving roller are located inside the limit grooves and are in sliding fit with the limit grooves, and the telescopic rod is located on one side of the middle of the upper surface of the supporting table.
Preferably, the balance mechanism comprises a driving spring and a balance spring, the telescopic rod output shaft is connected with the driving spring, a mounting block is rotationally arranged in the middle of the movable roller, the other end of the driving spring is fixedly connected with the mounting block, the other side of the mounting block is fixedly connected with the balance spring, and the balance spring is fixedly connected with the front end of the supporting table.
Preferably, the lifting adjusting assembly comprises a lantern ring, a moving rod is arranged in the middle of the lantern ring and connected to the rotating connection part of the swing arm and the hanging counterweight assembly, the moving rod is respectively in running fit with the swing arm and the hanging counterweight assembly, longitudinal guide grooves are formed in two ends of the moving rod, and the longitudinal guide grooves are located above the tail of the supporting table.
Preferably, the bottom of the lantern ring is provided with a driving rod, a guide circular groove is arranged below the tail of the supporting table, the driving rod is in sliding connection with the guide circular groove, the bottom of the driving rod is provided with a hydraulic rod, and the output end of the hydraulic rod is connected with the bottom of the driving rod.
Preferably, the suspension counterweight assembly comprises a counterweight rod, the front end of the counterweight rod is connected with the tail of the swing arm, the counterweight rod is horizontally and fixedly connected with the swing arm, and the tail of the counterweight rod is provided with a counterweight.
Preferably, the self-locking safety assembly comprises a moving block, the moving block is connected with one end of the traction rope, a sliding groove is formed in the bottom of the counterweight rod, the moving block is located inside the sliding groove, a compression spring is arranged at the front end of the moving block, the traction rope penetrates through the middle of the compression spring to be connected with the moving block, and the compression spring is fixedly connected with the front end inside the sliding groove.
Preferably, one end of the moving rod is located at the outer side of the longitudinal guide groove, a winding disc is fixedly connected with the moving rod coaxially, the traction rope is wound on the winding disc, and the traction rope is wound out from the bottom of the winding disc and extends to the moving block to be connected.
Compared with the prior art, the invention provides the hydraulic power-assisted balancing device for welding the oil cylinder, which has the following beneficial effects:
1. according to the hydraulic power-assisted balancing device for welding the oil cylinder, the front arm moves downwards under the action of gravity of the oil cylinder, the front arm drives the adjusting arm to move towards the supporting table, the adjusting arm pushes the moving roller to move towards the telescopic rod, and at the moment, the balancing mechanism is compressed, namely the driving spring is compressed; when the oil cylinder is lifted, the driving spring in the balance mechanism is slowly released, the driving spring pushes the moving roller to move towards the direction of the balance spring, the force on the moving roller, the elasticity of the balance spring and the elasticity of the driving spring approach to a balance state under the action of the adjusting arm, the moving roller is static, the balance link mechanism is in a static state, and at the moment, the static state of the moving roller can be broken only by slight force when the oil cylinder is operated, so that the labor-saving aim is fulfilled.
2. According to the hydraulic power-assisted balance device for welding the oil cylinder, a lever taking a swing arm and a suspension counterweight assembly as supporting points to move a rod is formed through a balance connecting rod mechanism, one end of the lever, which is close to the oil cylinder, is extended, the length of one side of the suspension counterweight assembly is unchanged, and gravity is inclined to one side of the oil cylinder; the tail of the swing arm starts to tilt, and a traction rope wound around the outer side of the rotation joint of the swing arm and the suspension counterweight assembly is released at the moment, so that the self-locking safety assembly moves towards the tail of the suspension counterweight assembly; wherein: the movable block one end is connected with the haulage rope, the movable block slides in the spout, when the counter weight pole takes place to upwarp, the haulage rope is released, under compression spring's effect, promote the movable block and remove to the balancing weight direction, increase the weight of balancing weight, slow down or suspend the perk of counter weight pole, around reel and coaxial fixed connection of movable rod, when the swing arm front end deflects downwards, the swing arm drives the movable rod and rotates simultaneously, the movable rod drives and rotates around the reel, and then will unwind around the haulage rope on the reel, the effect of rethread compression spring, make the movable block remove to the balancing weight direction, increase and hang weight subassembly's weight, even remove the manpower this moment, balance link mechanism still is in balanced state, and then make personnel lift or reduce more laborsaving when the hydro-cylinder, simultaneously when balance mechanism loses because of the trouble is used, hydro-cylinder one side overweight leads to balance link mechanism to the hydro-cylinder direction slope, lead to the swing arm to the hydro-cylinder direction slope by a wide margin, and the haulage rope release auto-lock insurance subassembly to hang weight subassembly orientation and remove by a wide margin, avoid leading to the hydro-cylinder to suddenly to fall to ground.
3. This hydro-cylinder welding is with hydraulic pressure helping hand balancing unit is connected with the regulating arm through the forearm afterbody, when the forearm stretches forward, drives the regulating arm and moves forward, and then the regulating arm drives the bottom of support arm and moves forward, and the other end of support arm drives the slight downwardly moving of swing arm front end for the lever that swing arm and suspension counterweight assembly formed, its focus bias drive one side of hydro-cylinder, and then can trigger the auto-lock insurance subassembly and to hang counterweight assembly direction and remove, make personnel promote the hydro-cylinder forward, when pressing close to the place with the hydro-cylinder, it is more laborsaving.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of a power-assisted balancing device of the invention;
FIG. 2 is a schematic view of a portion of a power-assisted balance apparatus according to the present invention;
FIG. 3 is a schematic view of the structure of the present invention shown in FIG. 2 at a partially enlarged scale;
FIG. 4 is a schematic diagram showing a second perspective view of a portion of the power-assisted balancing apparatus according to the present invention;
FIG. 5 is a schematic view of the structure of the present invention shown in FIG. 4 at B in a partially enlarged manner;
FIG. 6 is a schematic view of a partially enlarged structure of the present invention at C of FIG. 1;
FIG. 7 is a schematic view of an exploded view of the lift adjustment assembly of the present invention;
fig. 8 is a schematic view of a partial enlarged structure at D of fig. 7 according to the present invention.
In the figure: 1. a forearm; 2. swing arms; 21. a lifting adjusting component; 211. a collar; 212. a moving rod; 213. a longitudinal guide groove; 214. a driving rod; 215. a guide circular groove; 216. a hydraulic rod; 3. an adjusting arm; 4. a support arm; 41. a connecting shaft; 5. a moving roller; 6. a support table; 61. a telescopic rod; 62. a limit groove; 7. hanging a counterweight assembly; 71. a weight bar; 72. balancing weight; 73. a chute; 8. a balancing mechanism; 81. a drive spring; 82. a balance spring; 83. a mounting block; 9. a self-locking safety component; 91. a moving block; 92. a compression spring; 10. a traction rope; 101. winding the reel; 102. a transmission gear; 103. and a drive gear.
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.
Referring to fig. 1-8, a hydraulic power-assisted balancing device for welding an oil cylinder comprises a balancing connecting rod mechanism, wherein the balancing connecting rod mechanism comprises a front arm 1, a swing arm 2, an adjusting arm 3 and a supporting arm 4, one ends of the adjusting arm 3 and the supporting arm 4 are rotatably connected, a movable roller 5 is arranged at the joint, a supporting table 6 is arranged at the bottom of the movable roller 5, a telescopic rod 61 is arranged in the middle of the supporting table 6, the output end of the telescopic rod 61 is connected with the movable roller 5, the movable roller 5 is horizontally and slidably arranged above the supporting table 6, a lifting adjusting assembly 21 is arranged below the tail part of the swing arm 2, and the lifting adjusting assembly 21 is used for adjusting the height of the front arm 1; the tail part of the swing arm 2 is provided with a hanging counterweight assembly 7, and the joint of the hanging counterweight assembly 7 and the swing arm 2 is vertically and slidably arranged at the tail part of the supporting table 6; when the telescopic rod 61 drives the moving roller 5 to move towards the direction of the hanging weight assembly 7, the far end of the swing arm 2 is lifted, and the front arm 1 is retracted towards the direction of the supporting table 6; a balancing mechanism 8 is arranged in the middle of the upper part of the supporting table 6, and the balancing mechanism 8 is used for balancing the suspension counterweight assembly 7 and the oil cylinder on the forearm 1; in the moving process of the oil cylinder, one side, close to the oil cylinder, of the balance mechanism 8 is compressed, and the oil cylinder moves to bear resistance; the self-locking safety assembly 9 and the traction rope 10 are arranged below the hanging counterweight assembly 7, one end of the traction rope 10 is connected with the self-locking safety assembly 9, and the other end of the traction rope 10 is wound at the rotating connection position of the swing arm 2 and the hanging counterweight assembly 7.
When in use, the bottom of the forearm 1 is provided with a hook for hanging an oil cylinder or used for grabbing a hand grip and the like;
when the telescopic link 61 is in a fixed state, namely the balance link mechanism and the suspension counterweight assembly 7 are in an integral state, the lifting adjusting assembly 21 arranged at the tail of the swing arm 2 moves upwards, the balance link mechanism swings by taking the position (namely the moving roller 5) of the joint of the adjusting arm 3 and the supporting arm 4 as an axis, namely the lifting adjusting assembly 21 drives the tail of the swing arm 2 and the suspension counterweight assembly 7 to integrally tilt, the front end of the swing arm 2 and the front arm 1 integrally drop downwards until the oil cylinder can be hung at the bottom of the front arm 1, and in the process, the distance between the front arm 1 and the supporting table 6 is adjusted by the telescopic link 61 so as to realize the oil cylinders with different distances from the supporting table 6 (the process is to adjust the position of the front arm 1 which can be close to the oil cylinder so as to connect the grabbing mechanism under the front arm 1 with the oil cylinder by subsequent manual work); then the lifting adjusting component 21 moves downwards to drive the lifting adjusting component 21 to drive the tail part of the swing arm 2 and the hanging counterweight component 7 to integrally descend, so that an oil cylinder at the other side of the swing arm 2 rises to a proper position (generally slightly higher than the required height), the fixed state is released through the telescopic rod 61, the front arm 1 moves downwards under the action of the gravity of the oil cylinder, the adjusting arm 3 is driven to move towards the supporting table 6, the adjusting arm 3 pushes the moving roller 5 to move towards the telescopic rod 61, the moving roller 5 pushes the bottom of the supporting arm 4 to move towards the telescopic rod 61, namely the supporting arm 4 supports the swing arm 2 (at the moment, the axis of swinging of the balance link mechanism is converted into the connecting part of the swing arm 2 and the hanging counterweight component 7 supported by the lifting adjusting component 21 by the moving roller 5, namely the moving rod 212 in the following), the front end of the swing arm 2 slightly lifts, at this time, the balance mechanism 8 is compressed and leans to the telescopic rod 61 side to compress, the lifting adjusting component 21 stops descending, under the action of the balance mechanism 8, the balance link mechanism is gradually in a balanced state, further when people put the oil cylinder in order, the oil cylinder can be lifted without effort, when the oil cylinder is lifted, firstly, the compressed side of the balance mechanism 8 is slowly released, at this time, the oil cylinder is conveniently moved forward to approach the placing position, the moving roller 5 moves in a direction away from the telescopic rod 61, the moving roller 5 drives the bottom end of the supporting arm 4 to move forward, the other end of the supporting arm 4 drives the swing arm 2 to slightly move downwards, at this time, the balance link mechanism forms a lever taking the swing arm 2 and the hanging weight component 7 as supporting points (hereinafter, the moving rod 212) and one end close to the oil cylinder extends, the length of one side of the hanging weight component 7 is unchanged, gravity is inclined to one side of the oil cylinder; the tail of the swing arm 2 starts to tilt, at the moment, the traction rope 10 wound around the outer side of the rotation joint of the swing arm 2 and the hanging balance weight assembly 7 is released, so that the self-locking safety assembly 9 moves towards the tail of the hanging balance weight assembly 7, the weight of the hanging balance weight assembly 7 is increased, at the moment, even if the manpower is removed, the balance link mechanism is still in a balanced state, further, people lift or lower the oil cylinder more labor-saving, meanwhile, when the balance mechanism 8 loses action due to failure, the balance link mechanism is inclined towards the oil cylinder due to the fact that one side of the oil cylinder is overweight, namely the swing arm 2 is inclined towards the oil cylinder greatly, and the traction rope 10 releases the self-locking safety assembly 9 to move towards the direction of the hanging balance weight assembly 7 greatly, so that the oil cylinder is prevented from falling to the ground suddenly.
Further, the tail of the forearm 1 is rotationally connected with the far end of the swing arm 2, the far end of the adjusting arm 3 is rotationally connected with one end of the forearm 1 close to the swing arm 2, the other end of the supporting arm 4 is rotationally connected with one end of the swing arm 2 close to the tail through a connecting shaft 41, and the forearm 1, the swing arm 2, the adjusting arm 3 and the supporting arm 4 are in a parallelogram structure; the tail of the forearm 1 is connected with the adjusting arm 3, when the forearm 1 stretches forwards, the adjusting arm 3 is driven to move forwards, the adjusting arm 3 drives the bottom end of the supporting arm 4 to move forwards, the other end of the supporting arm 4 drives the front end of the swing arm 2 to slightly move downwards, the gravity center of the lever formed by the swing arm 2 and the hanging counterweight assembly 7 is deviated to one side of the driving oil cylinder, and then the self-locking safety assembly 9 can be triggered to move towards the hanging counterweight assembly 7, so that a person pushes the oil cylinder forwards, and the oil cylinder is more labor-saving when being close to a placement position.
Further, two sides above the supporting table 6 are provided with limit grooves 62, two ends of the moving roller 5 are located inside the limit grooves 62 and are in sliding fit with the limit grooves 62, and the telescopic rod 61 is located on one side of the middle of the upper surface of the supporting table 6; through the spacing groove 62 that sets up in brace table 6 top both sides for the restriction of spacing groove 62 can only remove in spacing groove 62 inside when removing the movable roller 5, and the bottom of adjusting arm 3 and support arm 4 is located a horizontal range all the time and removes, has also guaranteed the stability of balance mechanism 8 simultaneously.
Further, the balancing mechanism 8 includes a driving spring 81 and a balancing spring 82, the output shaft of the telescopic rod 61 is connected with the driving spring 81, a mounting block 83 is rotatably disposed in the middle of the moving roller 5, the other end of the driving spring 81 is fixedly connected with the mounting block 83, the other side of the mounting block 83 is fixedly connected with the balancing spring 82, and the balancing spring 82 is fixedly connected with the front end of the supporting table 6; the forearm 1 moves downwards under the action of the gravity of the oil cylinder, the forearm 1 drives the adjusting arm 3 to move towards the supporting table 6, the adjusting arm 3 pushes the moving roller 5 to move towards the telescopic rod 61, and at the moment, the balance mechanism 8 is compressed, namely the driving spring 81 is compressed; when the oil cylinder is lifted, the driving spring 81 in the balance mechanism 8 is slowly released, the driving spring 81 pushes the movable roller 5 to move towards the balance spring 82, after the force on the movable roller 5, the elasticity of the balance spring 82 and the elasticity of the driving spring 81 approach to a balance state under the action of the adjusting arm 3, the movable roller 5 is static, the balance link mechanism is also in a static state, and at the moment, the static state of the movable roller 5 can be broken by only slight force when the oil cylinder is operated, so that the labor-saving aim is fulfilled.
Further, the lifting adjusting assembly 21 comprises a collar 211, a moving rod 212 is arranged in the middle of the collar 211, the moving rod 212 is connected to the rotation connection part of the swing arm 2 and the hanging counterweight assembly 7, the moving rod 212 is respectively in rotation fit with the swing arm 2 and the hanging counterweight assembly 7, two ends of the moving rod 212 are provided with longitudinal guide grooves 213, and the longitudinal guide grooves 213 are positioned above the tail part of the supporting table 6; through the sliding fit of the movable rod 212 in the middle of the lantern ring 211 and the longitudinal guide groove 213, the height of the suspended counterweight assembly 7 and the swing arm 2 can be adjusted, meanwhile, the balance link mechanism swings by taking the position of the movable rod 212 as an axle center, the lever principle is realized, and the movable rod 212 is fixedly connected with the lantern ring 211 during use.
Further, a driving rod 214 is arranged at the bottom of the collar 211, a guide circular groove 215 is arranged below the tail part of the supporting table 6, the driving rod 214 is slidably connected with the guide circular groove 215, a hydraulic rod 216 is arranged at the bottom of the driving rod 214, and the output end of the hydraulic rod 216 is connected with the bottom of the driving rod 214; the driving rod 214 at the bottom of the collar 211 is driven by the hydraulic rod 216, so that the balance link mechanism swings with the position of the moving roller 5 as the axis in the process of lifting or lowering the suspended counterweight assembly 7, and then the weight of the oil cylinder at the other side can be matched, and the balance link mechanism is in a balance state.
Further, the suspension counterweight assembly 7 comprises a counterweight rod 71, the front end of the counterweight rod 71 is connected with the tail of the swing arm 2, the counterweight rod 71 is horizontally and fixedly connected with the swing arm 2, and a counterweight 72 is arranged at the tail of the counterweight rod 71; the counterweight 72 is horizontally and fixedly connected with the swing arm 2 through the counterweight rod 71, a lever is formed at the connecting part by taking the moving rod 212 as an axle center, and the swing is performed by taking the moving rod 212 as the axle center when the moving oil cylinder performs small-amplitude adjustment.
Further, the self-locking safety assembly 9 includes a moving block 91, the moving block 91 is connected with one end of the traction rope 10, a sliding groove 73 is provided at the bottom of the counterweight rod 71, the moving block 91 is located inside the sliding groove 73, a compression spring 92 is provided at the front end of the moving block 91, the traction rope 10 passes through the middle part of the compression spring 92 and is connected with the moving block 91, and the compression spring 92 is fixedly connected with the front end inside the sliding groove 73; one end of the moving block 91 is connected with the traction rope 10, the moving block 91 slides in the sliding groove 73, when the counterweight rod 71 is tilted upwards, the traction rope 10 is released, the moving block 91 is pushed to move towards the counterweight 72 under the action of the compression spring 92, the weight of the counterweight 72 is increased, and the tilting of the counterweight rod 71 is slowed down or stopped; since one end of the compression spring 92 is connected to the moving block 91 and the other end is connected to one end of the chute 73, when the traction rope 10 needs to pass through the compression spring 92, it first penetrates from one end of the chute 73 at the front end of the compression spring 92, that is, when the traction rope 10 is in use, it needs to slide through from the outer side surface of the weight rod 71.
Further, a winding disc 101 is disposed at one end of the moving rod 212 outside the longitudinal guiding groove 213, the winding disc 101 is fixedly connected with the moving rod 212 coaxially, the traction rope 10 is wound on the winding disc 101, and the traction rope 10 is wound from the bottom of the winding disc 101 and extends to the moving block 91 for connection; through the coaxial fixed connection around reel 101 and movable rod 212, when swing arm 2 front end down deflects, hang weight subassembly 7 afterbody and deflect upwards, because movable rod 212 and lantern ring 211 fixed connection, swing arm 2 deflects with movable rod 212, hang weight subassembly 7 and also deflect around reel 101 relatively promptly, and then will unwind around the haulage rope 10 on the reel 101 (hang weight subassembly 7's weight rod 71 and drive haulage rope 10 and unwind around reel 101 relatively, make haulage rope 10 unwind around reel 101 relatively), haulage rope 10 grow at this moment, under compression spring 92's effect, movable block 91 moves to balancing weight 72 direction, increase the counter weight of balancing weight 72 department.
Working principle: when the lifting device is used, firstly, the telescopic rod 61 is in a fixed state, namely, the balance link mechanism and the suspension counterweight assembly 7 are in an integral state, the lifting adjusting assembly 21 arranged at the tail part of the swing arm 2 moves upwards, the balance link mechanism swings by taking the position (namely, the moving roller 5) of the joint of the adjusting arm 3 and the supporting arm 4 as the axis, namely, the lifting adjusting assembly 21 drives the tail part of the swing arm 2 and the suspension counterweight assembly 7 to integrally tilt, and the front end of the swing arm 2 and the front arm 1 integrally drop downwards until an oil cylinder can be hung at the bottom of the front arm 1, wherein: the driving rod 214 at the bottom of the lantern ring 211 is driven by the hydraulic rod 216, so that the hanging counterweight assembly 7 can swing by taking the position of the moving roller 5 as the axis, namely, one side of the hanging counterweight assembly 7 is lifted, the front arm 1 falls down to the upper part of a heavy object, after the oil cylinder is fixed on the front arm 1, the hanging counterweight assembly 7 descends by being driven by the driving rod 214 at the bottom of the lantern ring 211 under the driving of the hydraulic rod 216, the balancing linkage mechanism swings by taking the position of the moving roller 5 as the axis, namely, one side of the hanging counterweight assembly 7 descends, the front arm 1 drives the oil cylinder to lift, at the moment, the moving rod 212 at the middle part of the lantern ring 211 is in sliding fit with the longitudinal guide groove 213, so that the hanging counterweight assembly 7 and the swing arm 2 can be adjusted in height, and meanwhile, the balancing linkage mechanism swings by taking the position of the moving rod 212 as the axis, so as to realize the lever principle, namely, the hanging counterweight assembly 7 can match the weight of the oil cylinder at the other side, and the balancing linkage mechanism is in a balanced state.
In the above process, the distance between the forearm 1 and the supporting table 6 is adjusted by the extension and contraction of the extension and contraction rod 61 to realize the oil cylinders with different distances from the supporting table 6 (the process is to adjust the position of the forearm 1 which can be close to the oil cylinder so as to connect the grabbing mechanism under the forearm 1 with the oil cylinder by subsequent manual work); through the limiting grooves 62 arranged on the two sides above the supporting table 6, the limiting of the limiting grooves 62 can only move in the limiting grooves 62 when the moving roller 5 moves, namely the bottoms of the adjusting arm 3 and the supporting arm 4 are always positioned in a horizontal range, and meanwhile, the stability of the balance mechanism 8 is ensured;
then, the lifting adjusting assembly 21 moves downwards to drive the lifting adjusting assembly 21 to drive the tail part of the swing arm 2 and the hanging counterweight assembly 7 to integrally descend, so that an oil cylinder at the other side of the swing arm 2 ascends to a proper position (generally, the height is slightly higher than the required height), the fixed state is relieved through the telescopic rod 61, the front arm 1 moves downwards under the action of the gravity of the oil cylinder and drives the adjusting arm 3 to move towards the supporting table 6, the adjusting arm 3 pushes the movable roller 5 to move towards the telescopic rod 61, the movable roller 5 pushes the bottom of the supporting arm 4 to move towards the telescopic rod 61, namely, the supporting arm 4 supports the swing arm 2 (at the moment, the axis of swinging of the balance connecting rod mechanism is changed into the connecting position of the swing arm 2 and the hanging counterweight assembly 7 supported by the movable roller 5, namely, the moving rod 212 below), the front end of the swing arm 2 is slightly lifted, at the moment, the balance connecting rod mechanism 8 is compressed, and is biased towards one side of the telescopic rod 61 to be compressed, the lifting adjusting assembly 21 is stopped to descend, the balance connecting rod mechanism is gradually in a balanced state under the action of the balance state under the balance mechanism 8, and then when a worker stacks the oil cylinder, the oil cylinder is not required to lift the oil cylinder, the oil cylinder is lifted, the bottom of the oil cylinder 4 can be lifted slightly, the oil cylinder 8 is firstly, the bottom of the swing arm 4 is pushed to move forward, and the support arm 4 is moved forward, and the balance mechanism 4 is driven to move downwards, and the bottom end 4 is conveniently; wherein: when the front arm 1 moves downwards, the front arm 1 drives the adjusting arm 3 to move towards the supporting table 6, the adjusting arm 3 pushes the moving roller 5 to move towards the telescopic rod 61, and at the moment, the balance mechanism 8 is compressed, namely the driving spring 81 is compressed; when the oil cylinder is lifted, the driving spring 81 in the balance mechanism 8 is slowly released, the driving spring 81 pushes the movable roller 5 to move towards the balance spring 82, after the force on the movable roller 5, the elasticity of the balance spring 82 and the elasticity of the driving spring 81 approach to a balance state under the action of the adjusting arm 3, the movable roller 5 is static, the balance link mechanism is also in a static state, and at the moment, the static state of the movable roller 5 can be broken by only slight force when the oil cylinder is operated, so that the labor-saving aim is fulfilled;
the balance link mechanism forms a lever taking the swing arm 2 and the suspension weight assembly 7 as supporting points (the moving rod 212), one end of the lever close to the oil cylinder stretches, the length of one side of the suspension weight assembly 7 is unchanged, and gravity inclines to one side of the oil cylinder; the tail of the swing arm 2 starts to tilt, and a traction rope 10 wound around the outer side of the rotation joint of the swing arm 2 and the suspension weight assembly 7 is released, so that the self-locking safety assembly 9 moves towards the tail of the suspension weight assembly 7, the weight of the suspension weight assembly 7 is increased, and the balance link mechanism is still in a balance state even if the manpower is removed; wherein: one end of the moving block 91 is connected with the hauling rope 10, the moving block 91 slides in the chute 73, when the balance weight rod 71 is lifted upwards, the hauling rope 10 is released, under the action of the compression spring 92, the moving block 91 is pushed to move towards the direction of the balancing weight 72, the weight of the balancing weight 72 is increased, the lifting of the balance weight rod 71 is slowed down or stopped, the winding reel 101 and the moving rod 212 are fixedly connected, when the front end of the swing arm 2 is deflected downwards, namely, the tail of the suspended balance weight assembly 7 is deflected upwards, because the moving rod 212 is fixedly connected with the lantern ring 211, the swing arm 2 is deflected relative to the moving rod 212, namely, the suspended balance weight assembly 7 is deflected relative to the winding reel 101, and then the hauling rope 10 is driven to rotate relative to the winding reel 101 by the balance weight rod 71 in the suspended balance weight assembly 7, so that the hauling rope 10 is unwound relative to the winding reel 101, the weight of the hauling rope 10 is increased in the opposite direction of the winding reel 101, under the action of the compression spring 92, the weight of the suspended balance weight assembly 7 is increased, and further, when a person lifts the oil cylinder is more labor-saving, and meanwhile, when the balance mechanism 8 is deflected downwards, the balance weight assembly is lost due to the action of one side, the swing arm 2 is inclined to the balance weight assembly, the self-locking mechanism is prevented from suddenly falling down in the direction of the oil cylinder, and the self-locking mechanism is prevented from suddenly falling down in the direction of the balance weight assembly 9.
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 (2)
1. The utility model provides a hydro-cylinder welding is with hydraulic pressure helping hand balancing unit, includes balanced link mechanism, and balanced link mechanism includes forearm (1), swing arm (2), adjusting arm (3) and support arm (4), its characterized in that: the device comprises an adjusting arm (3) and a supporting arm (4), wherein one end of the adjusting arm (3) is rotationally connected with one end of the supporting arm (4), a movable roller (5) is arranged at the joint, the tail of the front arm (1) is rotationally connected with the far end of the swing arm (2), the far end of the adjusting arm (3) is rotationally connected with one end, close to the swing arm (2), of the front arm (1), the other end of the supporting arm (4) is rotationally connected with one end, close to the tail, of the swing arm (2) through a connecting shaft (41), and the front arm (1), the swing arm (2), the adjusting arm (3) and the supporting arm (4) are in a parallelogram structure; a supporting table (6) is arranged at the bottom of the movable roller (5), a telescopic rod (61) is arranged in the middle of the supporting table (6), the output end of the telescopic rod (61) is connected with the movable roller (5), and the movable roller (5) is horizontally arranged above the supporting table (6) in a sliding mode;
the tail part of the swing arm (2) is provided with a lifting adjusting assembly (21), and the lifting adjusting assembly (21) is used for adjusting the height of the forearm (1);
the tail part of the swing arm (2) is provided with a hanging counterweight assembly (7), and the joint of the hanging counterweight assembly (7) and the swing arm (2) is vertically and slidably arranged at the tail part of the supporting table (6);
when the telescopic rod (61) drives the moving roller (5) to move towards the suspension counterweight assembly (7), the far end of the swing arm (2) is lifted, and the forearm (1) is retracted towards the supporting table (6);
a balancing mechanism (8) is arranged in the middle of the upper part of the supporting table (6), and the balancing mechanism (8) is used for balancing the suspension counterweight assembly (7) and the oil cylinder on the forearm (1);
limiting grooves (62) are formed in two sides above the supporting table (6), two ends of the moving roller (5) are located in the limiting grooves (62) and are in sliding fit with the limiting grooves (62), and the telescopic rod (61) is located on one side of the middle of the upper surface of the supporting table (6);
the balance mechanism (8) comprises a driving spring (81) and a balance spring (82), an output shaft of the telescopic rod (61) is connected with the driving spring (81), an installation block (83) is rotatably arranged in the middle of the moving roller (5), the other end of the driving spring (81) is fixedly connected with the installation block (83), the other side of the installation block (83) is fixedly connected with the balance spring (82), and the balance spring (82) is fixedly connected with the front end of the supporting table (6);
in the moving process of the oil cylinder, one side, close to the oil cylinder, of the balance mechanism (8) is compressed, and the oil cylinder moves to bear resistance;
the suspension counterweight assembly (7) comprises a counterweight rod (71), the front end of the counterweight rod (71) is connected with the tail of the swing arm (2), the counterweight rod (71) is horizontally and fixedly connected with the swing arm (2), and a counterweight block (72) is arranged at the tail of the counterweight rod (71);
a self-locking safety assembly (9) and a traction rope (10) are arranged below the suspension counterweight assembly (7), one end of the traction rope (10) is connected with the self-locking safety assembly (9), and the other end of the traction rope (10) is wound at the rotation connection part of the swing arm (2) and the suspension counterweight assembly (7);
the lifting adjusting assembly (21) comprises a lantern ring (211), a moving rod (212) is arranged in the middle of the lantern ring (211), the moving rod (212) is connected to the rotating connection part of the swing arm (2) and the hanging counterweight assembly (7), the moving rod (212) is respectively in rotating fit with the swing arm (2) and the hanging counterweight assembly (7), longitudinal guide grooves (213) are formed in two ends of the moving rod (212), and the longitudinal guide grooves (213) are located above the tail of the supporting table (6);
the self-locking safety assembly (9) comprises a moving block (91), the moving block (91) is connected with one end of the traction rope (10), a sliding groove (73) is formed in the bottom of the counterweight rod (71), the moving block (91) is located inside the sliding groove (73), a compression spring (92) is arranged at the front end of the moving block (91), the traction rope (10) passes through the middle of the compression spring (92) to be connected with the moving block (91), and the compression spring (92) is fixedly connected with the front end inside the sliding groove (73);
a winding disc (101) is arranged at one end of the moving rod (212) and positioned outside the longitudinal guide groove (213), the winding disc (101) is fixedly connected with the moving rod (212) coaxially, the traction rope (10) is wound on the winding disc (101), and the traction rope (10) is wound out from the bottom of the winding disc (101) and extends to the moving block (91) to be connected;
through around reel (101) with coaxial fixed connection of movable rod (212), when swing arm (2) front end down deflects promptly hang weight subassembly (7) afterbody and upwards deflect, because movable rod (212) with lantern ring (211) fixed connection, swing arm (2) are relative movable rod (212) deflect, promptly hang weight subassembly (7) are relative around reel (101) also deflect, and then will around reel (101) on haulage rope (10) unwind, haulage rope (10) become longer at this moment, under compression spring (92) effect, movable block (91) to balancing weight (72) direction removal increases the counter weight of balancing weight (72) department.
2. The hydraulic boost balancing device for oil cylinder welding according to claim 1, wherein: the driving device is characterized in that a driving rod (214) is arranged at the bottom of the lantern ring (211), a guide circular groove (215) is formed below the tail part of the supporting table (6), the driving rod (214) is in sliding connection with the guide circular groove (215), a hydraulic rod (216) is arranged at the bottom of the driving rod (214), and the output end of the hydraulic rod (216) is connected with the bottom of the driving rod (214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311553228.9A CN117263042B (en) | 2023-11-21 | 2023-11-21 | Hydraulic power-assisted balancing device for oil cylinder welding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311553228.9A CN117263042B (en) | 2023-11-21 | 2023-11-21 | Hydraulic power-assisted balancing device for oil cylinder welding |
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| CN117263042B true CN117263042B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311553228.9A Active CN117263042B (en) | 2023-11-21 | 2023-11-21 | Hydraulic power-assisted balancing device for oil cylinder welding |
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| CN218707440U (en) * | 2022-09-27 | 2023-03-24 | 杭州港湾交通设计咨询有限公司 | Automatic change pier auxiliary device that unloads |
| CN116142991A (en) * | 2023-03-15 | 2023-05-23 | 山东长勺电力工程有限公司 | Substation equipment dismouting loop wheel machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB604852A (en) * | 1943-09-22 | 1948-07-12 | Jan Jongerius N V | Improvements in and relating to cranes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190594A (en) * | 1921-11-01 | 1922-12-28 | Ernest Wigglesworth Westwood | Improvements in or relating to cranes |
| GB547810A (en) * | 1941-05-05 | 1942-09-11 | Avery Ltd W & T | Improvements in platform weighing machines |
| KR20110111729A (en) * | 2010-04-05 | 2011-10-12 | 국방과학연구소 | The projectile loading apparatus comprising a spring balancer and a switchable permanent magnet |
| CN111958634A (en) * | 2020-08-20 | 2020-11-20 | 马鞍山迈若斯机器人科技有限公司 | Robot arm gravity balancing device |
| CN112225086A (en) * | 2020-11-09 | 2021-01-15 | 淄博市博山齿轮厂 | Electric hydraulic power-assisted balance crane |
| CN113649996A (en) * | 2021-09-01 | 2021-11-16 | 江苏昱博自动化设备有限公司 | High-efficiency automatic driving assistance manipulator |
| CN217230026U (en) * | 2022-05-16 | 2022-08-19 | 淄博市博山齿轮厂 | Hydraulic balance crane |
| CN218707440U (en) * | 2022-09-27 | 2023-03-24 | 杭州港湾交通设计咨询有限公司 | Automatic change pier auxiliary device that unloads |
| CN116142991A (en) * | 2023-03-15 | 2023-05-23 | 山东长勺电力工程有限公司 | Substation equipment dismouting loop wheel machine |
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| CN117263042A (en) | 2023-12-22 |
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