CN113800420A - Torsion spring and auxiliary winding rope drum for winding - Google Patents
Torsion spring and auxiliary winding rope drum for winding Download PDFInfo
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- CN113800420A CN113800420A CN202111025820.2A CN202111025820A CN113800420A CN 113800420 A CN113800420 A CN 113800420A CN 202111025820 A CN202111025820 A CN 202111025820A CN 113800420 A CN113800420 A CN 113800420A
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- 238000004804 winding Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 85
- 238000004146 energy storage Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2838—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT with out using position sensors, e.g. by volume flow measurement or pump speed
Abstract
A torsion spring comprises an energy storage assembly and a rotating assembly, wherein the energy storage assembly is in transmission fit with the rotating assembly; the energy storage assembly comprises a closed cylinder barrel and a piston rod, a piston is arranged in the cylinder barrel and is in sealing fit with the inner wall of the cylinder barrel, the piston is fixedly connected with one end of the piston rod, and the other end of the piston rod penetrates through the cylinder barrel and is fixedly connected with the rack; the rotating assembly comprises a rotating shaft and a cylindrical gear, the cylindrical gear is fixedly arranged on the rotating shaft, and the cylindrical gear is meshed with the rack. A twisted rope winding drum assisting in winding comprises the torsion spring, a rotary drum and twisted ropes wound on the rotary drum, one end of a rotary shaft of the rotary drum is in transmission fit with a main power output device, and the other end of the rotary shaft of the rotary drum is in transmission fit with a cylindrical gear. Torsion of the torsion spring in the design is adjustable, installation and debugging are easy, the torsion spring provides an auxiliary winding and lifting function for the rope winding drum, and power requirements on the motor can be reduced.
Description
Technical Field
The invention relates to an auxiliary winding device, in particular to a torsion spring and a twisted rope winding drum for assisting winding, which are particularly suitable for reducing the power requirement of a marine twisted rope winding drum on a motor.
Background
The torsion spring can store and release rotation energy, when the assembly rotates around the center, the torsion spring can generate torque to promote the assembly to generate corresponding rotation torque, and the torsion spring is widely applied to the field of mechanical engineering.
The design is directed to a special marine rope winch drum, which expects that a torsion spring can play a certain auxiliary hoisting role in the rope winch process, so as to reduce the power requirement on a motor. However, the conventional torsion spring needs to generate a larger torsion force in the auxiliary winding process, if the conventional torsion spring is used, the structure, the size and the weight of the torsion spring which meets the requirements are relatively larger, and the conventional torsion spring has higher requirements on installation space and is difficult to meet the use requirements; meanwhile, the rigidity of the conventional torsion spring is fixed after the conventional torsion spring is manufactured, and redesign and manufacture are needed if the rigidity is found to be inappropriate in the debugging process, so that the conventional torsion spring is inconvenient to use. Thus, there can be a need for a rope drum with lower power requirements for the motor and a variable rate torsion spring to assist in hoisting.
Disclosure of Invention
The invention aims to overcome the defects that the structure, the size and the weight of a torsion spring are relatively large and the torsion force cannot be adjusted when the torsion spring generates large torsion force in the prior art; the problem that the auxiliary hoisting rope reel is difficult to be installed and matched with a conventional torsion spring is solved, and the torsion spring and the auxiliary hoisting rope reel are provided.
In order to achieve the above purpose, the technical solution of the invention is as follows:
a torsion spring comprises an energy storage assembly and a rotating assembly, wherein the energy storage assembly is in transmission fit with the rotating assembly;
the energy storage assembly comprises a closed cylinder barrel and a piston rod, a piston is arranged in the cylinder barrel and is in sliding fit with the cylinder barrel, the piston is in sealing fit with the inner wall of the cylinder barrel, the piston is fixedly connected with one end of the piston rod, and the other end of the piston rod penetrates through the cylinder barrel and is fixedly connected with the rack;
the rotating assembly comprises a rotating shaft and a cylindrical gear, the cylindrical gear is fixedly arranged on the rotating shaft, and the cylindrical gear is meshed with the rack.
The cylinder comprises a cylinder sealing cover and a cylinder body, the bottom of the cylinder sealing cover is in sealing fit with the top opening end of the cylinder body, a sliding hole is formed in the middle of the cylinder sealing cover, the piston rod is in sliding fit with the sliding hole, and the piston is in sliding fit with the cylinder body.
The piston rod comprises a first cylinder and a second cylinder, the diameter of the first cylinder is larger than that of the second cylinder, one end of the first cylinder is fixedly connected with the piston, the other end of the first cylinder is fixedly connected with one end of the second cylinder, the other end of the second cylinder penetrates through the sliding hole and then is fixedly connected with the rack, and the second cylinder is in sliding fit with the sliding hole;
the cylinder sealing cover is provided with a boss on one side inside the cylinder, and the boss is in limit fit with one end of the first cylinder close to the second cylinder.
The first cylinder and the second cylinder are coaxially arranged, and the rack, the second cylinder, the first cylinder and the piston are of an integrated structure.
A first annular groove is formed in the periphery of the piston, a first sealing ring is arranged in the first annular groove, and the piston is in sealing fit with the inner wall of the cylinder through the first sealing ring;
the inner wall of the sliding hole is provided with a second annular groove, a second sealing ring is arranged inside the second annular groove, and the sealing cover is in sealing fit with the outer wall of the second column body through the second sealing ring.
One end of the cylinder barrel far away from the cylinder barrel sealing cover is provided with an inflation inlet and a detection port, the inflation inlet is provided with an inflation valve, and the detection port is provided with a pressure sensor.
And a piston displacement sensor is arranged at one end of the cylinder body far away from the cylinder barrel sealing cover and is positioned between the inflation inlet and the detection port.
A rope reel for assisting in winding, wherein the rope reel comprises the torsion spring;
the twisted rope winding drum further comprises a twisted rope, a rotating drum and a main power output device, the twisted rope is wound on the rotating drum, a power output shaft of the main power output device is in transmission fit with one end of a rotating shaft of the rotating drum, the other end of the rotating shaft of the rotating drum is connected with a power input shaft of the speed reducing mechanism, and the power output shaft of the speed reducing mechanism is connected with the rotating shaft.
The cylindrical gear comprises a gear inner ring and a gear outer ring, the gear outer ring is fixedly arranged outside the gear inner ring, and the gear inner ring is fixedly connected with the rotating shaft through a connecting key.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the torsion spring, one end of a piston rod in an energy storage assembly is provided with a piston, the other end of the piston rod is provided with a rack meshed with a gear in a rotating assembly, when the gear in the rotating assembly rotates, the piston rod can be pushed to move towards the bottom of a cylinder barrel, so that gas in the cylinder barrel is compressed, meanwhile, the compressed gas in the cylinder barrel generates thrust to the piston, and the thrust is transmitted to the rack through the piston rod and is converted into torsion force through the rack and the gear; the torque of the torsion spring is determined by the pressure of the gas filled in the cylinder body, so that a device with small volume and weight can be used for realizing larger torsion spring torque; meanwhile, the torque of the torsion spring can be changed by changing the pressure of the gas filled into the cylinder body, so that the torsion spring has wider adaptability. Therefore, in the design, the gas pressure in the cylinder body is converted into the torsional force through the piston rod, the rack and the gear, and the torsional spring has small volume and light weight and can realize larger torque; meanwhile, the torque of the torsion spring can be changed by changing the pressure of the gas filled in the cylinder body.
2. According to the torsion spring, the first cylinder body and the second cylinder body are coaxially arranged, the first cylinder body and the second cylinder body, the rack and the piston are arranged in an integrated structure, the boss is arranged on the inner side of the cylinder barrel sealing cover, and the boss is in limit fit with one end, connected with the first cylinder body and the second cylinder body, of the boss, so that the whole torsion spring is compact and stable in structure, and large torque can be realized. Therefore, the whole torsion spring in the design is compact and stable in structure, and can realize larger torque with smaller volume.
3. According to the torsion spring, the end part of the barrel is provided with the inflation inlet and the detection inlet, the barrel can be inflated through the inflation inlet, the inflation pressure can be adjusted according to the requirement on the torque of the spring, the needed torsion spring is high in rigidity and is inflated with gas with high pressure, and the needed torsion spring is low in rigidity and is inflated with gas with low pressure; meanwhile, the pressure inside the cylinder can be measured by the pressure sensor arranged at the detection port, so that the inflation control is facilitated. Therefore, the end part of the cylinder body in the design is provided with the inflation inlet and the detection port, so that the cylinder body can be conveniently and accurately inflated with gas with different pressures to adjust the rigidity of the torsion spring.
4. The end part of the cylinder in the torsion spring is also provided with a piston displacement sensor which is used for detecting the position of the piston in the cylinder, and under the condition of knowing the initial pressure of gas filled in the cylinder, the torsion spring torque corresponding to each position of the piston in the cylinder is determined, so that the torsion spring torque can be monitored through the piston displacement sensor; meanwhile, the rotating angle of the cylindrical gear can be obtained through conversion of the position of the piston in the cylinder, and therefore the corresponding relation between the rotating angle of the cylindrical gear and the torque of the torsion spring is obtained. Therefore, the design can monitor and feed back the torque of the torsion spring in real time by arranging the piston displacement sensor at the end part of the cylinder body.
5. When the rope winding drum needs to put down a heavy object to pay off the rope, the rotary drum rotates forwards, the cylindrical gear rotates forwards along with the rotary drum and pushes the rack, and then the piston in the torsion spring is pushed to compress the gas on one side of the piston in the cylinder barrel, the gas pressure on the other side of the piston is reduced, and energy is stored; when the rope winding drum needs to lift a heavy object to wind a rope, the main power output device drives the rotary drum to rotate reversely, at the moment, under the action of gas inside the cylinder, the piston in the cylinder is pushed reversely, the movable rack drives the cylindrical gear to rotate, pressure generated by gas in the cylinder is converted into torque similar to a torsion spring through the piston, the piston rod, the rack and the cylindrical gear, and the torque is transmitted to the rotary drum to serve as auxiliary power for lifting the heavy object. Therefore, in the design, one end of the rotating shaft of the rotating drum is connected and jointed with the main power output device, and the other end of the rotating shaft is connected with the cylindrical gear in the torsion spring, so that auxiliary power can be provided when the rope winding drum performs rope winding operation.
Drawings
Fig. 1 is a schematic structural view of a hoist rope reel for assisting in hoisting.
Fig. 2 is a schematic structural diagram of an energy storage assembly.
FIG. 3 is a schematic view of the structure of the spin basket and the spin assembly.
Fig. 4 is a schematic structural diagram of a cylindrical gear and a rack.
Fig. 5 is a schematic view of the connection of the speed reducing mechanism.
In the figure: the energy storage device comprises an energy storage assembly 1, a cylinder 11, a cylinder 111, a cylinder sealing cover 112, a piston rod 12, a first cylinder 121, a second cylinder 122, a rack 13, a sliding hole 14, a second annular groove 141, a second sealing ring 142, a piston 15, a first annular groove 151, a first sealing ring 152, a boss 16, an inflation inlet 17, a detection port 18, a rotating assembly 2, a rotating shaft 21, a cylindrical gear 22, a gear inner ring 221, a gear outer ring 222, a speed reducing mechanism 23, a connecting key 24, a pressure sensor 3, an inflation valve 4, a piston displacement sensor 5, a twisted rope 6, a rotating cylinder 7 and a main power output device 8.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 5, the torsion spring comprises an energy storage assembly 1 and a rotating assembly 2, wherein the energy storage assembly 1 is in transmission fit with the rotating assembly 2;
the energy storage assembly 1 comprises a closed cylinder barrel 11 and a piston rod 12, a piston 15 is arranged inside the cylinder barrel 11, the piston 15 is in sliding fit with the cylinder barrel 11, the piston 15 is in sealing fit with the inner wall of the cylinder barrel 11, the piston 15 is fixedly connected with one end of the piston rod 12, and the other end of the piston rod 12 penetrates through the cylinder barrel 11 and then is fixedly connected with a rack 13;
the rotating assembly 2 comprises a rotating shaft 21 and a cylindrical gear 22, the cylindrical gear 22 is fixedly arranged on the rotating shaft 21, and the cylindrical gear 22 is meshed with the rack 13.
The cylinder 11 comprises a cylinder sealing cover 112 and a cylinder 111, the bottom of the cylinder sealing cover 112 is in sealing fit with the top opening end of the cylinder 111, a sliding hole 14 is formed in the middle of the cylinder sealing cover 112, and the piston rod 12 is in sliding fit with the sliding hole 14.
The piston rod 12 comprises a first cylinder 121 and a second cylinder 122, the diameter of the first cylinder 121 is larger than that of the second cylinder 122, one end of the first cylinder 121 is fixedly connected with the piston 15, the other end of the first cylinder 121 is fixedly connected with one end of the second cylinder 122, the other end of the second cylinder 122 penetrates through the sliding hole 14 and then is fixedly connected with the rack 13, and the second cylinder 122 is in sliding fit with the sliding hole 14;
the cylinder sealing cover 112 is provided with a boss 16 on one side inside the cylinder 11, and the boss 16 is in limit fit with one end of the first cylinder 121 close to the second cylinder 122.
The first cylinder 121 and the second cylinder 122 are coaxially arranged, and the rack 13, the second cylinder 122, the first cylinder 121 and the piston 15 are of an integral structure.
A first annular groove 151 is formed in the periphery of the piston 15, a first sealing ring 152 is arranged in the first annular groove 151, and the piston 15 is in sealing fit with the inner wall of the cylinder 11 through the first sealing ring 152;
a second annular groove 141 is formed in the inner wall of the sliding hole 14, a second sealing ring 142 is disposed inside the second annular groove 141, and the sealing cover 14 is in sealing fit with the outer wall of the second column 122 through the second sealing ring 142.
One end of the cylinder 111 far away from the cylinder sealing cover 112 is provided with an inflation inlet 17 and a detection inlet 18, the inflation inlet 17 is provided with an inflation valve 4, and the detection inlet 18 is provided with a pressure sensor 3.
And a piston displacement sensor 5 is arranged at one end of the cylinder 111 far away from the cylinder sealing cover 112, and the piston displacement sensor 5 is positioned between the inflation port 17 and the detection port 18.
A rope reel for assisting in winding, wherein the rope reel comprises the torsion spring;
the twisted rope winding drum further comprises a twisted rope 6, a rotating drum 7 and a main power output device 8, the twisted rope 6 is wound on the rotating drum 7, a power output shaft of the main power output device 8 is in transmission fit with one end of a rotating shaft of the rotating drum 7, the other end of the rotating shaft of the rotating drum 7 is connected with a power input shaft of a speed reducing mechanism 23, and a power output shaft of the speed reducing mechanism 23 is connected with a rotating shaft 21.
The cylindrical gear 22 comprises a gear inner ring 221 and a gear outer ring 222, the gear outer ring 222 is fixedly arranged outside the gear inner ring 221, and the gear inner ring 221 is fixedly connected with the rotating shaft 21 through a connecting key 24.
The principle of the invention is illustrated as follows:
as shown in fig. 1, the twisted rope reel for assisting winding comprises a torsion spring, a rotating drum 7 and a twisted rope 6 wound on the rotating drum 7, the twisted rope 6 is used for connecting a heavy object to be lifted with the rotating drum 7, the heavy object is lifted and placed through rotation of the rotating drum 7, a main power output device 8 provides power for the rotating drum 7 to drive the rotating drum 7 to rotate forwards and backwards, and meanwhile, a brake is also included in the main power output device 8 to brake the rotating drum 7 so that the rotating drum can stop rotating in a braking state, the type of the brake can be a disc brake or a belt brake, and the type of the brake can be selected according to actual requirements.
The torsion spring comprises an energy storage assembly 1 and a rotating assembly 2, as shown in fig. 2, the energy storage assembly 1 comprises a closed cylinder 11 and a piston rod 12, the cylinder 11 comprises a cylinder sealing cover 112 and a circular cylinder 111 with an opening at one end, the cylinder sealing cover 112 is in sealing fit with the opening end of the cylinder 111, and a closed air cavity is formed in the cylinder 111; the piston rod 15 penetrates through the sliding hole 14 on the cylinder sealing cover 112, the piston rod 15 can slide in the sliding hole 14 along the axial direction of the cylinder 11, a second annular groove 141 is arranged on the hole wall of the sliding hole 14, a second sealing ring 142 is arranged inside the second annular groove 141, the sealing cover 14 is in sealing fit with the outer wall of the piston rod 12 through the second sealing ring 142, and more than one set of second annular grooves 141 and second sealing rings 142 can be arranged between the sealing cover 14 and the piston rod 12 as required to ensure the sealing of the cylinder 11; a piston 15 is arranged in the cylinder 11, a first annular groove 151 is formed in the periphery of the piston 15, a first sealing ring 152 is arranged in the first annular groove 151, the piston 15 is in sealing fit with the inner wall of the cylinder 11 through the first sealing ring 152, and more than one group of first annular grooves 151 and first sealing rings 152 can be arranged between the piston 15 and the inner wall of the cylinder 11 to ensure the sealing effect; the piston 15 is fixedly connected with one end of the piston rod 12, and the piston rod 12 drives the piston 15 to slide in the cylinder 11, so that the gas in the cylinder 11 at one side of the piston 15 is compressed, and the gas pressure at the other side of the piston 15 is reduced. One end of a far piston 15 of the piston rod 12 is fixedly connected with the rack 13; and the rack 13 is engaged with the cylindrical gear 22 in the rotating assembly 2, when the piston rod 12 is pushed to move by the air pressure in the cylinder 11, the rack 13 and the piston rod 12 move synchronously to drive the cylindrical gear 22 and the rotating shaft 21 at the center thereof to rotate, thereby outputting torque.
As shown in fig. 5, the rotating shaft 21 is connected to an output shaft of the speed reducing mechanism 23, the output shaft of the speed reducing mechanism 23 is a low-speed shaft thereof, an input shaft of the speed reducing mechanism 23 is a high-speed shaft thereof, when the rope reel for assisting the winding up is paying off, the rotating drum 7 inputs a high rotating speed to the speed reducing mechanism 23, the speed reducing mechanism 23 outputs a low rotating speed to the cylindrical gear 22, the cylindrical gear 22 rotates slowly and drives the rack 13 to move, the rack 13, the piston 15 and the piston rod 12 move synchronously, so that the gas pressure in the cylinder 11 is changed, and the torsion spring stores energy; when the auxiliary winding rope reel winds the rope, the rack 13 drives the cylindrical gear 22 to rotate at a low speed, so that a low rotating speed is input to the speed reducing mechanism 23, the speed reducing mechanism 23 outputs a high rotating speed to the rotary drum 7, and the auxiliary rope winding power is provided for the rope reel.
As shown in fig. 2, the piston rod 12 includes a first cylinder 121 and a second cylinder 122, the diameter of the first cylinder 121 is larger than that of the second cylinder 122, one end of the first cylinder 121 is fixedly connected to the piston 15 and is located inside the cylinder 11, the other end of the first cylinder 121 is fixedly connected to one end of the second cylinder 122, the other end of the second cylinder 122 is fixedly connected to the rack 13, and after passing through the sliding hole 14, the second cylinder 122 is slidable in the sliding hole 14, and the sealing cover 14 and the second cylinder 122 are sealed by a second annular groove 141 and a second sealing ring 142.
The cylinder sealing cover 112 is provided with a boss 16 on one side inside the cylinder 11, and since the diameter of the first cylinder 121 is larger than that of the second cylinder 122, when the piston rod 12 moves to the limit position outside the cylinder 11, the end of the first cylinder 121 abuts against the boss 16, and the boss 16 may be one or more, may be annular, or may be different in shape according to actual conditions.
Because the first cylinder 121 and the second cylinder 122 are coaxially arranged, and the first cylinder 121, the second cylinder 122, the rack 13 and the piston 15 are arranged in an integrated structure, the overall strength of the piston 15, the piston rod 12 and the rack 13 is high, and the whole torsion spring can bear large torque.
An inflation inlet 17 and a detection inlet 18 are arranged at one end, far away from the cylinder sealing cover 112, of the cylinder 111, an inflation valve 4 is arranged at the inflation inlet 17, the inflation valve 4 prevents gas inside the cylinder 11 from leaking from the inflation inlet 17, and meanwhile, when the pressure of the gas inside the cylinder 11 needs to be changed, the inflation inlet 17 and the inflation valve 4 can be used for inflating the inside of the cylinder 11 or deflating the cylinder 11, so that the torque characteristic of the torsion spring is changed; the pressure sensor 3 is provided at the detection port 18, and the pressure inside the cylinder 11 can be monitored during the inflation/deflation of the cylinder 11.
The end, far away from the cylinder sealing cover 112, of the cylinder 111 is further provided with a piston displacement sensor 5, the piston displacement sensor 5 is arranged between the inflation inlet 17 and the detection port 18, the piston displacement sensor 5 is used for monitoring the position of the piston 15 in the cylinder 11, when the initial inflation pressure in the cylinder 11 is constant, the gas pressure correspondingly applied to each position of the piston 15 in the cylinder 11 is determined, the stress condition of the piston rod 12 can be reversely calculated by monitoring the position of the piston 15 in the cylinder 11 through the piston displacement sensor 5, and then the current torque of the torsion spring is obtained, so that the torque feedback function is realized, and further the auxiliary power of the auxiliary winding rope reel for winding is monitored.
As shown in fig. 3, the cylindrical gear 22 includes a gear inner ring 221 and a gear outer ring 222, the gear outer ring 222 is fixedly disposed outside the gear inner ring 221, the gear teeth are disposed on the gear outer ring 222 and are provided with teeth, an axial length of the gear inner ring 221 is greater than an axial length of the gear outer ring 222, so as to fix the cylindrical gear 22 on the rotating shaft 21, and as shown in fig. 4, the gear inner ring 221 is fixedly connected with the rotating shaft 21 through the connecting key 24.
Example 1:
a torsion spring comprises an energy storage assembly 1 and a rotating assembly 2, wherein the energy storage assembly 1 is in transmission fit with the rotating assembly 2; the energy storage assembly 1 comprises a closed cylinder barrel 11 and a piston rod 12, a piston 15 is arranged inside the cylinder barrel 11, the piston 15 is in sealing fit with the inner wall of the cylinder barrel 11, the piston 15 is fixedly connected with one end of the piston rod 12, and the other end of the piston rod 12 penetrates through the cylinder barrel 11 and then is fixedly connected with a rack 13; the rotating assembly 2 comprises a rotating shaft 21 and a cylindrical gear 22, the cylindrical gear 22 is fixedly arranged on the rotating shaft 21, and the cylindrical gear 22 is meshed with the rack 13; the cylinder 11 comprises a cylinder sealing cover 112 and a cylinder 111 with an opening at one end, the cylinder sealing cover 112 is in sealing fit with the opening end of the cylinder 111, and a sliding hole 14 is formed in the middle of the cylinder sealing cover 112; the piston rod 12 penetrates through the sliding hole 14, and one end of the piston rod 12, far away from the piston 15, is in transmission fit with the rotating shaft 21 through the rack 13 and the cylindrical gear 22; the piston rod 12 comprises a first cylinder 121 and a second cylinder 122, the diameter of the first cylinder 121 is larger than that of the second cylinder 122, one end of the first cylinder 121 is fixedly connected with the piston 15, the other end of the first cylinder 121 is fixedly connected with one end of the second cylinder 122, the other end of the second cylinder 122 penetrates through the sliding hole 14 and then is fixedly connected with the rack 13, and the second cylinder 122 is in sliding fit with the sliding hole 14; a boss 16 is arranged on one side of the cylinder sealing cover 112 positioned inside the cylinder 11, and the boss 16 is in limit fit with one end of the first cylinder 121 close to the second cylinder 122; the first cylinder 121 and the second cylinder 122 are coaxially arranged, and the first cylinder 121 and the second cylinder 122, the rack 13 and the piston 15 are of an integral structure; a first annular groove 151 is formed in the periphery of the piston 15, a first sealing ring 152 is arranged in the first annular groove 151, and the piston 15 is in sealing fit with the inner wall of the cylinder 11 through the first sealing ring 152; a second annular groove 141 is formed in the inner wall of the sliding hole 14, a second sealing ring 142 is arranged inside the second annular groove 141, and the sealing cover 14 is in sealing fit with the outer wall of the second column 122 through the second sealing ring 142; the utility model provides an auxiliary hank rope reel that rises of rolling up, hank rope reel includes above-mentioned torsion spring, hank rope reel still includes a rotatory section of thick bamboo 7 and convolutes the hank rope 6 on a rotatory section of thick bamboo 7, the one end and the 8 transmission coordination of initiative power take-off of the pivot of a rotatory section of thick bamboo 7, the other end and the 22 transmission coordination of cylindrical gear of the pivot of a rotatory section of thick bamboo 7.
Example 2:
example 2 is substantially the same as example 1 except that:
an inflation inlet 17 and a detection inlet 18 are arranged at one end, far away from the cylinder barrel sealing cover 112, of the cylinder body 111, an inflation valve 4 is arranged at the inflation inlet 17, and a pressure sensor 3 is arranged at the detection inlet 18; and a piston displacement sensor 5 is arranged between the inflation port 17 and the detection port 18.
Example 3:
example 3 is substantially the same as example 2 except that:
the rotating cylinder 7 is also provided with a speed reducing mechanism 23, and a rotating shaft of the rotating cylinder 7 is in transmission fit with the rotating shaft 21 and the cylindrical gear 22 through the speed reducing mechanism 23; the cylindrical gear 22 comprises a gear inner ring 221 and a gear outer ring 222, the gear outer ring 222 is fixedly arranged outside the gear inner ring 221, and the gear inner ring 221 is fixedly connected with the rotating shaft 21 through a connecting key 24.
Claims (9)
1. A torsion spring, characterized by:
the torsion spring comprises an energy storage assembly (1) and a rotating assembly (2), and the energy storage assembly (1) is in transmission fit with the rotating assembly (2);
the energy storage assembly (1) comprises a closed cylinder barrel (11) and a piston rod (12), a piston (15) is arranged inside the cylinder barrel (11), the piston (15) is in sliding fit with the cylinder barrel (11), the piston (15) is in sealing fit with the inner wall of the cylinder barrel (11), the piston (15) is fixedly connected with one end of the piston rod (12), and the other end of the piston rod (12) penetrates through the cylinder barrel (11) and then is fixedly connected with a rack (13);
the rotating assembly (2) comprises a rotating shaft (21) and a cylindrical gear (22), the cylindrical gear (22) is fixedly arranged on the rotating shaft (21), and the cylindrical gear (22) is meshed with the rack (13).
2. A torsion spring according to claim 1, wherein:
the cylinder (11) comprises a cylinder sealing cover (112) and a cylinder body (111), the bottom of the cylinder sealing cover (112) is in sealing fit with the top opening end of the cylinder body (111), a sliding hole (14) is formed in the middle of the cylinder sealing cover (112), the piston rod (12) is in sliding fit with the sliding hole (14), and the piston (15) is in sliding fit with the cylinder body (111).
3. A torsion spring according to claim 2, wherein:
the piston rod (12) comprises a first cylinder (121) and a second cylinder (122), the diameter of the first cylinder (121) is larger than that of the second cylinder (122), one end of the first cylinder (121) is fixedly connected with the piston (15), the other end of the first cylinder (121) is fixedly connected with one end of the second cylinder (122), the other end of the second cylinder (122) penetrates through the sliding hole (14) and then is fixedly connected with the rack (13), and the second cylinder (122) is in sliding fit with the sliding hole (14);
the cylinder barrel sealing cover (112) is provided with a boss (16) on one side inside the cylinder barrel (11), and the boss (16) is in limit fit with one end, close to the second cylinder (122), of the first cylinder (121).
4. A torsion spring according to claim 3, wherein:
the first cylinder (121) and the second cylinder (122) are coaxially arranged, and the rack (13), the second cylinder (122), the first cylinder (121) and the piston (15) are of an integral structure.
5. A torsion spring according to claim 4, wherein:
a first annular groove (151) is formed in the periphery of the piston (15), a first sealing ring (152) is arranged in the first annular groove (151), and the piston (15) is in sealing fit with the inner wall of the cylinder (111) through the first sealing ring (152);
the hole wall of the sliding hole (14) is provided with a second annular groove (141), a second sealing ring (142) is arranged inside the second annular groove (141), and the cylinder sealing cover (112) is in sealing fit with the outer wall of the second cylinder (122) through the second sealing ring (142).
6. A torsion spring according to any one of claims 1-5, wherein:
one end of the cylinder body (111) far away from the cylinder sealing cover (112) is provided with an inflation inlet (17) and a detection inlet (18), an inflation valve (4) is arranged at the inflation inlet (17), and a pressure sensor (3) is arranged at the detection inlet (18).
7. A torsion spring according to claim 6, wherein:
and a piston displacement sensor (5) is further arranged at one end of the cylinder body (111) far away from the cylinder sealing cover (112).
8. The utility model provides an supplementary hank rope reel that rises that rolls up which characterized in that:
the ragger drum comprising a torsion spring of any one of claims 1-7;
the twisted rope winding drum further comprises a twisted rope (6), a rotating drum (7) and a main power output device (8), the twisted rope (6) is wound on the rotating drum (7), a power output shaft of the main power output device (8) is in transmission fit with one end of a rotating shaft of the rotating drum (7), the other end of the rotating shaft of the rotating drum (7) is connected with a power input shaft of a speed reducing mechanism (23), and the power output shaft of the speed reducing mechanism (23) is connected with a rotating shaft (21).
9. An auxiliary hoist rope reel as claimed in claim 8, wherein:
the cylindrical gear (22) comprises a gear inner ring (221) and a gear outer ring (222), the gear outer ring (222) is fixedly arranged outside the gear inner ring (221), and the gear inner ring (221) is fixedly connected with the rotating shaft (21) through a connecting key (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111025820.2A CN113800420A (en) | 2021-09-02 | 2021-09-02 | Torsion spring and auxiliary winding rope drum for winding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111025820.2A CN113800420A (en) | 2021-09-02 | 2021-09-02 | Torsion spring and auxiliary winding rope drum for winding |
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| CN113800420A true CN113800420A (en) | 2021-12-17 |
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| CN202111025820.2A Pending CN113800420A (en) | 2021-09-02 | 2021-09-02 | Torsion spring and auxiliary winding rope drum for winding |
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| US5725361A (en) * | 1993-02-02 | 1998-03-10 | Mannesmann Rexroth Gmbh | Hydraulic unit |
| CN1311399A (en) * | 2000-03-03 | 2001-09-05 | 速睦喜股份有限公司 | Rotation apparatus with buffer mechanism |
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Application publication date: 20211217 |