CN212001688U - Power generation type damper - Google Patents
Power generation type damper Download PDFInfo
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- CN212001688U CN212001688U CN202020359246.9U CN202020359246U CN212001688U CN 212001688 U CN212001688 U CN 212001688U CN 202020359246 U CN202020359246 U CN 202020359246U CN 212001688 U CN212001688 U CN 212001688U
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Abstract
The utility model relates to a power generation type damper, which comprises a mounting rack, a first fixed pipe and a second fixed pipe which are fixed on the mounting rack, a sliding frame which is arranged on the first fixed pipe and the second fixed pipe, a reciprocating frame which is fixedly connected with the sliding frame, a rack which is arranged on the mounting rack, a rotating assembly which is arranged on the mounting rack, a first spring which is connected with the first fixed pipe and the sliding frame, a second spring which is connected with the second fixed pipe and the sliding frame, and a power generation type electromagnetic damper; the reciprocating frame comprises an upper transverse plate and a lower transverse plate; the rotating assembly comprises a turntable and a gear; go up diaphragm and lower diaphragm relatively fixed and go up all to be equipped with the half slot on diaphragm and the lower diaphragm, be equipped with the cylinder on the terminal surface of carousel, the equal rotary type of carousel and gear is installed on the mounting bracket, and wheel and rack meshing goes up the half slot of diaphragm and the half slot of lower diaphragm and meshes with the cylinder of carousel in turn, and the output and the carousel of power-generating type electromagnetic damper are connected. The damper can absorb shock and convert the mechanical energy of the shock into electric energy.
Description
Technical Field
The utility model relates to a technical field of attenuator specifically is a power generation formula attenuator.
Background
A damper or shock absorber is a device that uses damping characteristics to damp mechanical vibrations and dissipate kinetic energy.
According to statistics, more than 500 million earthquakes occur on the earth every year, namely, the ten thousand earthquakes occur every day, and the earthquakes which cannot be felt by people can be recorded only by using an earthquake instrument; different types of seismographs can record earthquakes with different intensities and different distances, the arrival of the earthquakes cannot be predicted by the current technology level, the earthquakes cannot be predicted in a long period of time in the future, so-called examples of successful earthquake prediction are basically coincident, for the earthquakes, people should do improvement on building earthquake resistance grade and defense rather than earthquake prediction, some skyscrapers have dampers for the consideration of earthquake resistance, in recent years, seismic mitigation and isolation technologies are researched and applied more and more, however, the dampers of the traditional various types easily exceed the limit capacity and lose energy consumption capacity under the action of the earthquakes, and the existing dampers only can achieve the shock absorption effect through energy consumption and cannot utilize the energy.
Disclosure of Invention
To the technical problem that exists among the prior art, the utility model aims at providing a power generation formula attenuator, power generation formula attenuator utilizes first spring and second spring shock attenuation to consume the ability while, can also trun into the mechanical energy of vibrations into the electric energy, reaches fine shock insulation, absorbing effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a power generation type damper comprises a mounting frame, a first fixing pipe and a second fixing pipe which are fixed on the mounting frame, a sliding frame which is installed on the first fixing pipe and the second fixing pipe in a sliding mode, a reciprocating frame which is fixedly connected with the sliding frame, a rack which is installed on the mounting frame in a sliding mode, a rotating assembly which is installed on the mounting frame in a rotating mode, a first spring which is connected with the first fixing pipe and the sliding frame, a second spring which is connected with the second fixing pipe and the sliding frame, and a power generation type electromagnetic damper which is installed on the mounting frame; the reciprocating frame comprises an upper transverse plate and a lower transverse plate; the rotating assembly comprises a turntable and a gear; make a round trip gliding carriage and last diaphragm fixed connection between first fixed pipe and the fixed pipe of second, go up the diaphragm relatively fixed and go up all be equipped with a plurality of half slot on diaphragm and the diaphragm down with diaphragm, be equipped with a plurality of cylinder on the terminal surface of carousel, a plurality of cylinder is along the central circumference evenly distributed of terminal surface, carousel and the equal rotary type of gear are installed on the mounting bracket and the carousel is located between diaphragm and the diaphragm down, wheel and rack toothing, the same and synchronous rotation in the center of rotation of carousel and gear, the half slot of going up the diaphragm and the half slot of diaphragm down mesh with the cylinder of carousel in turn, the output and the carousel fixed connection of electricity generation formula electromagnetic damper.
Furthermore, the cylinders are distributed on the half end face of the turntable, and the cylinders are distributed in a semicircular arc shape on the end face of the turntable. The cylinder is matched with the semicircular groove, and the reciprocating frame can do reciprocating motion.
Further, the diameter of the gear is smaller than the diameter of the turntable. The response of the rack is amplified by the rotating assembly and then transmitted to the first spring and the second spring, so that the first spring and the second spring can play an energy consumption role as early as possible.
Further, the mounting rack comprises a bottom plate and a vertical plate fixed on the bottom plate; be equipped with the fixed block on the riser, be equipped with the spout on the fixed block, rack slidable formula is installed on the spout. When vibration occurs, the rack can slide on the mounting rack.
Further, the carriage is T shape, and the both ends of first fixed pipe and the fixed pipe distribution of second on the riser, the both ends of carriage are slidingtype respectively and are installed on first fixed pipe and the fixed pipe of second, the both ends of first spring respectively with first fixed pipe and carriage fixed connection, the both ends of second spring respectively with the fixed pipe of second and carriage fixed connection, the lower extreme and the last horizontal plate fixed connection of carriage. Install respectively in first fixed pipe and second fixed pipe through first spring and second spring, the carriage is installed in first fixed pipe and second fixed pipe, can prevent reciprocating frame because the effect of gravity is flagging.
Furthermore, inlay on the bottom plate and have a plurality of ball, the ball rotary type is installed on the bottom plate, and the sphere and the diaphragm contact down of ball. The ball provides the support for reciprocating frame, can prevent reciprocating frame because the effect of gravity is flagging, also can reduce reciprocating frame and mounting bracket's friction simultaneously, prevents reciprocating frame wearing and tearing in the motion process.
Further, the reciprocating frame also comprises two connecting plates; the reciprocating frame is in a square frame shape, one end of the upper transverse plate is fixedly connected with one end of the lower transverse plate through one connecting plate, and the other end of the upper transverse plate is fixedly connected with the other end of the lower transverse plate through the other connecting plate. The connecting plate makes upper diaphragm and lower diaphragm relatively fixed.
Furthermore, a fixing frame is fixedly arranged on the mounting frame, the power generation type electromagnetic damper is arranged on the fixing frame, and the output end of the power generation type electromagnetic damper is fixedly connected with the rotary table. When the rotary table moves, kinetic energy is transferred to the rotor in the power generation type electromagnetic damping assembly, damping force is provided for the inertia mass block through electromagnetic force between the stator and the rotor, and meanwhile mechanical energy of the rotor can be converted into electric energy in the winding.
In general, the utility model has the advantages as follows:
the utility model discloses utilize rack, gear, carousel and reciprocating frame, constitute a response amplification device, through reciprocating frame and first spring, second spring coupling, turn into the electric energy in the winding through the energy of electricity generation formula electromagnetic damper with vibrations simultaneously, constitute a can be from the novel attenuator that restores to the throne, the displacement does not become invalid. On one hand, the response of the rack is amplified by the linkage part of the rotating assembly and is transmitted to the first spring and the second spring through the reciprocating frame, so that the damper can play an energy consumption role as early as possible, and the damper can generate smaller restoring force to provide larger restoring force for the structure, thereby obviously saving the manufacturing cost; on the other hand, the kinetic energy of vibration is transmitted to the rotary table through the rack, the rotary table transmits the rotational kinetic energy to the power generation type electromagnetic damper, and the kinetic energy of vibration can be converted into electric energy to be collected and used while the damping energy consumption is further achieved.
Drawings
Fig. 1 is a schematic structural view of the present power generation damper.
Fig. 2 is a partial sectional view of the present power generation damper.
Fig. 3 is a schematic structural diagram of the mounting bracket and the power generation type electromagnetic damper.
In the figure: 1-a mounting frame, 2-a first fixed pipe, 3-a second fixed pipe, 4-a sliding frame, 5-a power generation type electromagnetic damper, 6-a rack, 7-a rotating component, 8-a first spring, 9-a second spring, 10-an upper transverse plate, 11-a lower transverse plate, 12-a connecting plate, 13-an output end of the power generation type electromagnetic damper, 14-a ball, 15-a semicircular groove, 16-a cylinder, 17-a fixed block, 18-a sliding groove, 19-a bottom plate, 20-a vertical plate, 21-a rotary table, 22-a gear and 23-a fixing frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a technical scheme, for narration convenience, now explain as follows to the position of saying below: the left-right direction described below coincides with the left-right direction of fig. 1 itself, and the front-back direction described below coincides with the projection direction of fig. 1 itself.
Referring to fig. 1, fig. 2 and fig. 3, a power generation damper includes a mounting bracket 1, a first fixed pipe 2 and a second fixed pipe 3 both fixed on the mounting bracket 1, a sliding frame 4 slidably mounted on the first fixed pipe 2 and the second fixed pipe 3, a reciprocating frame fixedly connected with the sliding frame 4, a rack 6 slidably mounted on the mounting bracket 1, a rotating component 7 rotatably mounted on the mounting bracket 1, a first spring 8 connecting the first fixed pipe 2 and the sliding frame 4, a second spring 9 connecting the second fixed pipe 3 and the sliding frame 4, and a power generation electromagnetic damper 5 mounted on the mounting bracket 1.
The first fixing pipe 2 and the second fixing pipe 3 are arranged above the mounting frame 1 and are separated from each other, the sliding frame 4 slides between the first fixing pipe 2 and the second fixing pipe 3, and the reciprocating frame is arranged below the sliding frame 4 and is fixedly connected with the sliding frame 4. The reciprocating frame comprises an upper transverse plate 10 and a lower transverse plate 11; the upper cross plate 10 is located right above the lower cross plate 11.
The rotating assembly 7 comprises a turntable 21 and a gear 22; sliding frame 4 and last horizontal plate 10 fixed connection who makes a round trip to slide between this first fixed pipe 2 and this second fixed pipe 3, the both ends are installed in first fixed pipe 2 and second fixed pipe 3 to the slidingtype respectively about sliding frame 4, the lower extreme of sliding frame 4 and the up end fixed connection of last horizontal plate 10. The upper transverse plate 10 and the lower transverse plate 11 are relatively fixed, the lower transverse plate 11 moves leftwards when the upper transverse plate 10 moves leftwards, and the lower transverse plate 11 moves rightwards when the upper transverse plate 10 moves rightwards. Go up all to be equipped with a plurality of half slot 15 on diaphragm 10 and the lower diaphragm 11, the lower terminal surface of going up diaphragm 10 is equipped with a plurality of half slot 15, and a plurality of half slot 15 is from left side right side level evenly distributed, and the up end of lower diaphragm 11 is equipped with a plurality of half slot 15, and a plurality of half slot 15 is from left side right side level evenly distributed.
Be equipped with a plurality of cylinder 16 on the terminal surface (preceding) of this carousel 21, a plurality of cylinder 16 is along the central circumference evenly distributed of terminal surface, and carousel 21 and the equal rotary type of gear 22 are installed on mounting bracket 1 and carousel 21 is located between diaphragm 10 and the diaphragm 11 down, and gear 22 fixes on the terminal surface (preceding) of carousel 21.
The rack 6 is arranged on the mounting rack 1 in a left-right sliding mode, the rack 6 is positioned in front of the reciprocating frame, and the gear 22 is meshed with the rack 6. The rotation centers of the turntable 21 and the gear 22 are the same and rotate synchronously, and the angular velocities of the turntable 21 and the gear 22 are the same and the linear velocities are different. The semicircular groove 15 of the upper transverse plate 10 and the semicircular groove 15 of the lower transverse plate 11 are alternately meshed with the cylinder 16 of the rotary table 21, the upper transverse plate 10 or the lower transverse plate 11 are meshed with the cylinder 16 of the rotary table 21 through the semicircular grooves 15, the gear 22 is compared in the meshing mode, the matching precision is not required to be high, the meshing is easier, and the adaptability is better.
When the rotary table 21 rotates, the direction of the upper transverse plate 10 driven by the rotary table 21 is opposite to the direction of the lower transverse plate 11 driven by the rotary table 21, so that when the rotary table 21 rotates, the reciprocating frame can move back and forth in the horizontal direction, the sliding frame 4 is driven to slide left and right, the first spring 8 and the second spring 9 are alternately stretched when the sliding frame 4 slides left and right, the vibration generated by an earthquake is consumed through the stretching of the first spring 8 and the second spring 9, and the effects of shock absorption and energy consumption are achieved. The output end 13 of the power generation type electromagnetic damper is fixedly connected with the rotary disc 21.
The power generation type electromagnetic damper 5 is installed behind the installation frame 1, an output end 13 of the power generation type electromagnetic damper penetrates through the installation frame 1 from back to front and then is fixedly connected with a rotation center of the rotary table 21, the rotary table 21 can drive a rotor in the power generation type electromagnetic damping assembly to rotate when rotating, damping force is provided for an inertia mass block through electromagnetic force between the stator and the rotor, and meanwhile mechanical energy of the rotor can be converted into electric energy in a winding.
The plurality of cylinders 16 are distributed on the half end face of the rotating disc 21, and the plurality of cylinders 16 are distributed in a semicircular arc shape on the end face of the rotating disc 21. The terminal surface of carousel 21 is a disc, and a plurality of cylinder 16 is only on half disc, and a semicircle is enclosed into to a plurality of cylinder 16 on half disc moreover, and all cylinders 16 and last diaphragm 10 or all half slots 15 one-to-one of diaphragm 11 down, and when the cylinder 16 of carousel 21 and the half slots 15 meshing of last diaphragm 10 or diaphragm 11 down, different cylinders 16 mesh with different half slots 15 in turn.
The gear 22 has a diameter smaller than the diameter of the turntable 21. The displacement of attenuator has the amplification effect, and the magnification equals the ratio of carousel 21 diameter and gear 22's diameter, and carousel 21 and gear 22 are concentric and synchronous rotation, and when the angle of passing is the same, the linear displacement of carousel 21 is greater than the linear displacement of gear 22, and the displacement has the amplification effect, makes the attenuator can exert the power consumption effect as early as possible, makes it produce less restoring force and can provide great restoring force for the structure to show saving in cost.
The mounting frame 1 comprises a bottom plate 19 and a vertical plate 20 fixed on the bottom plate 19; a fixing block 17 is arranged on the vertical plate 20, a sliding groove 18 is arranged on the fixing block 17, and the rack 6 is slidably arranged on the sliding groove 18.
The rotary disc 21 is rotatably mounted in front of the vertical plate 20, the gear 22 is fixed on the front end surface of the rotary disc 21, and the reciprocating frame is located in front of the vertical plate 20.
The two fixing blocks 17 are fixed in front of the vertical plate 20 and are respectively positioned below the first fixing pipe 2 and the second fixing pipe, the rack 6 is arranged in the sliding groove 18 of the fixing blocks 17 in a left-right sliding mode, and the rack 6 is positioned in front of the reciprocating frame. The rack 6 is located in front of the shuttle frame but does not contact the shuttle frame, so the rack 6 will not move the shuttle frame when driving the gear 22 to rotate by sliding, and will not interfere with the motion of the shuttle frame.
The sliding frame 4 is in a T shape, and the first fixing pipe 2 and the second fixing pipe 3 are distributed at two ends above the front end surface of the vertical plate 20. Both ends (both ends about) of carriage 4 are slidingtype respectively and are installed on first fixed pipe 2 and the fixed pipe 3 of second, and both ends (both ends about) of first spring 8 respectively with first fixed pipe 2 and carriage 4 fixed connection, the both ends (both ends about) of second spring 9 respectively with the fixed pipe 3 of second and carriage 4 fixed connection, the lower extreme of carriage 4 and the last fixed surface of entablature 10 are connected.
The bottom plate 19 is embedded with a plurality of balls 14, the balls 14 are rotatably mounted on the bottom plate 19, and the spherical surface of the balls 14 is in contact with the lower transverse plate 11. The ball 14 is inlaid on the upper surface of the bottom plate 19, the ball 14 can rotate on the spot, the lower surface of the lower transverse plate 11 is in contact with the spherical surface of the ball 14, the ball 14 provides support for the reciprocating frame and enables the reciprocating frame to slide more stably, and the ball 14 rotates when the reciprocating frame slides left and right.
The reciprocating frame further comprises two connecting plates 12; the reciprocating frame is in a square frame shape, one end of the upper transverse plate 10 is fixedly connected with one end of the lower transverse plate 11 through one connecting plate 12, and the other end of the upper transverse plate 10 is fixedly connected with the other end of the lower transverse plate 11 through the other connecting plate 12.
The connecting plates 12 are vertically arranged, one connecting plate 12 is positioned at the left ends of the upper transverse plate 10 and the lower transverse plate 11, the upper end of the connecting plate 12 is fixedly connected with the left end of the upper transverse plate 10, and the lower end of the connecting plate 12 is fixedly connected with the left end of the lower transverse plate 11; the other connecting plate 12 is located at the right ends of the upper transverse plate 10 and the lower transverse plate 11, the upper end of the connecting plate 12 is fixedly connected with the right end of the upper transverse plate 10, and the lower end of the connecting plate 12 is fixedly connected with the right end of the lower transverse plate 11.
A fixing frame 23 is fixedly arranged on the mounting frame 1, the power generation type electromagnetic damper 5 is arranged on the fixing frame 23, and an output end 13 of the power generation type electromagnetic damper is fixedly connected with the rotary table 21. Mount 23 fixes the back (back) face at riser 20, electricity generation formula electromagnetic damper 5's organism is fixed on mount 23, electricity generation formula electromagnetic damper 5 is located the below of mount 23, electricity generation formula electromagnetic damper 5's axis of rotation passes behind riser 20 with carousel 21's rotation center fixed connection from riser 20's back (back) face, carousel 21 can drive the axis of rotation when rotating and rotate, make electricity generation formula electromagnetic damper 5 inside generate electricity, at last utilize the electric energy derivation of vibrations conversion through the circuit, can utilize the energy conversion of vibrations when arriving the absorbing.
The working principle of the power generation type damper can be expressed as follows:
when an earthquake occurs, structures such as buildings or bridges push the rack 6 to move, the rack 6 drives the gear 22 to rotate, the gear 22 drives the rotary table 21 to rotate and amplify the displacement of the earthquake, the rotary table 21 is alternately meshed with the upper transverse plate 10 and the lower transverse plate 11 when rotating, the direction of the rotary table 21 driving the upper transverse plate 10 to move is opposite to the direction of the rotary table 21 driving the lower transverse plate 11 to move, so that when the rotary table 21 is alternately meshed with the upper transverse plate 10 and the lower transverse plate 11, the reciprocating frame makes linear reciprocating motion, the reciprocating frame makes reciprocating motion to drive the sliding frame 4 to reciprocate, the sliding frame 4 reciprocates to isolate the vibration and consume energy through the alternate extension and contraction of the first spring 8 and the second spring 9, meanwhile, the kinetic energy can be transmitted to the power generation type electromagnetic damper 5 when the rotary table 21 rotates, the power generation type electromagnetic damper 5 can generate electricity by utilizing the kinetic energy of the rotary table 21, the effect of converting and recycling the kinetic energy of vibration can be achieved, and finally the purpose of shock insulation and shock absorption of a building structure or a bridge structure is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A power generation damper is characterized in that: the electromagnetic damper comprises a mounting frame, a first fixing pipe and a second fixing pipe which are fixed on the mounting frame, a sliding frame which is installed on the first fixing pipe and the second fixing pipe in a sliding mode, a reciprocating frame which is fixedly connected with the sliding frame, a rack which is installed on the mounting frame in a sliding mode, a rotating assembly which is installed on the mounting frame in a rotating mode, a first spring which is connected with the first fixing pipe and the sliding frame, a second spring which is connected with the second fixing pipe and the sliding frame, and a power generation type electromagnetic damper which is installed on the mounting frame; the reciprocating frame comprises an upper transverse plate and a lower transverse plate; the rotating assembly comprises a turntable and a gear;
make a round trip gliding carriage and last diaphragm fixed connection between first fixed pipe and the fixed pipe of second, go up the diaphragm relatively fixed and go up all be equipped with a plurality of half slot on diaphragm and the diaphragm down with diaphragm, be equipped with a plurality of cylinder on the terminal surface of carousel, a plurality of cylinder is along the central circumference evenly distributed of terminal surface, carousel and the equal rotary type of gear are installed on the mounting bracket and the carousel is located between diaphragm and the diaphragm down, wheel and rack toothing, the same and synchronous rotation in the center of rotation of carousel and gear, the half slot of going up the diaphragm and the half slot of diaphragm down mesh with the cylinder of carousel in turn, the output and the carousel fixed connection of electricity generation formula electromagnetic damper.
2. A power generation damper as recited in claim 1, wherein: the plurality of cylinders are distributed on the half end face of the rotary disc, and the plurality of cylinders are distributed in a semicircular arc shape on the end face of the rotary disc.
3. A power generation damper as recited in claim 2, wherein: the diameter of the gear is smaller than that of the rotary disc.
4. A power generation damper as recited in claim 1, wherein: the mounting rack comprises a bottom plate and a vertical plate fixed on the bottom plate; be equipped with the fixed block on the riser, be equipped with the spout on the fixed block, rack slidable formula is installed on the spout.
5. A power generation damper as recited in claim 4, wherein: the carriage is T shape, and the both ends of first fixed pipe and the fixed pipe distribution of second on the riser, the both ends of carriage are slidingtype respectively and are installed on the fixed pipe of first fixed pipe and second, the both ends of first spring respectively with first fixed pipe and carriage fixed connection, the both ends of second spring respectively with the fixed pipe of second and carriage fixed connection, the lower extreme and the last horizontal plate fixed connection of carriage.
6. A power generation damper as recited in claim 5, wherein: inlay on the bottom plate and have a plurality of ball, the ball rotary type is installed on the bottom plate, and the sphere and the diaphragm contact down of ball.
7. A power generation damper as recited in claim 1, wherein: the reciprocating frame further comprises two connecting plates; the reciprocating frame is in a square frame shape, one end of the upper transverse plate is fixedly connected with one end of the lower transverse plate through one connecting plate, and the other end of the upper transverse plate is fixedly connected with the other end of the lower transverse plate through the other connecting plate.
8. A power generation damper as recited in claim 1, wherein: the mounting bracket is fixedly provided with a fixing bracket, and the power generation type electromagnetic damper is arranged on the fixing bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020359246.9U CN212001688U (en) | 2020-03-19 | 2020-03-19 | Power generation type damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020359246.9U CN212001688U (en) | 2020-03-19 | 2020-03-19 | Power generation type damper |
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| Publication Number | Publication Date |
|---|---|
| CN212001688U true CN212001688U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020359246.9U Expired - Fee Related CN212001688U (en) | 2020-03-19 | 2020-03-19 | Power generation type damper |
Country Status (1)
| Country | Link |
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| CN (1) | CN212001688U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341674A (en) * | 2022-08-09 | 2022-11-15 | 郑州大学 | Sliding type gear-disc spring self-resetting device |
| CN116815948A (en) * | 2023-08-31 | 2023-09-29 | 烟台中泰杰达建筑修缮有限公司 | Damping device of civil engineering structure |
| CN116922072A (en) * | 2023-09-18 | 2023-10-24 | 广东全丰智能装备有限公司 | Rotation amount monitoring and adjusting device and method for turntable type screw locking device |
-
2020
- 2020-03-19 CN CN202020359246.9U patent/CN212001688U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341674A (en) * | 2022-08-09 | 2022-11-15 | 郑州大学 | Sliding type gear-disc spring self-resetting device |
| CN116815948A (en) * | 2023-08-31 | 2023-09-29 | 烟台中泰杰达建筑修缮有限公司 | Damping device of civil engineering structure |
| CN116815948B (en) * | 2023-08-31 | 2023-12-05 | 烟台中泰杰达建筑修缮有限公司 | Damping device of civil engineering structure |
| CN116922072A (en) * | 2023-09-18 | 2023-10-24 | 广东全丰智能装备有限公司 | Rotation amount monitoring and adjusting device and method for turntable type screw locking device |
| CN116922072B (en) * | 2023-09-18 | 2023-11-17 | 广东全丰智能装备有限公司 | Rotation amount monitoring and adjusting device and method for turntable type screw locking device |
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