CN110155915B - Special safe power-off device for power machine maintenance personnel - Google Patents
Special safe power-off device for power machine maintenance personnel Download PDFInfo
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- CN110155915B CN110155915B CN201810172571.1A CN201810172571A CN110155915B CN 110155915 B CN110155915 B CN 110155915B CN 201810172571 A CN201810172571 A CN 201810172571A CN 110155915 B CN110155915 B CN 110155915B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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Abstract
The invention discloses a special safe power-off device for electric machine maintenance personnel, which comprises a base, wherein two first supporting rods are rotatably arranged on the top side of the base, second supporting rods are rotatably arranged at the top ends of the two first supporting rods through a rotating shaft, and the top ends of the two second supporting rods are fixedly provided with the same operating platform; one side that two pivots are close to each other has dead lever and slide bar respectively movable mounting, the dead lever is kept away from the one end of corresponding pivot and is seted up the slip recess, and the one end slidable mounting of slide bar has in the slip recess, the standing groove has been seted up to one side of slide bar, and fixed mounting has the rack in the standing groove, the meshing has the gear that is located the slip recess on the rack. The invention can conveniently and stably adjust the height position of the operating platform, is convenient for maintenance personnel to operate, is convenient for safe power failure through the sensor, is convenient for stably installing and disassembling the sensor and is convenient for maintaining and replacing the sensor.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a special safe power-off device for maintenance personnel of an electric power machine.
Background
The ladder is generally used in the power industry when maintenance operation is carried out on a high-altitude maintenance point, and for the sake of safety, the ladder is preferably held by another person, an operator cannot stably stand and operate without unfolding hands and feet during maintenance, and the safety and reliability are poor. In addition, when a plurality of persons need to cooperate to maintain, the space on the ladder is limited and the persons cannot stand; in addition, the existing lifting enables the power maintenance device to be generally not provided with a guardrail, and the danger coefficient of maintenance personnel is too large; is not beneficial to the development of power maintenance work.
Patent application No. 201620226670.X discloses a lifting type power maintenance device with a guardrail, which comprises a supporting seat, a base, a lifting device and a guardrail; the supporting seat is arranged at the lower part of the base and comprises supporting legs, an installation plate, a threaded rod, a nut and supporting legs; the upper part of the base is provided with a lower bracket, and the lower bracket is connected with a lifting device; the lifting device comprises a lifting hydraulic cylinder, a piston rod, a connecting rod, a pin shaft and a hinge A; the upper part of the upper bracket is provided with a top plate, the top plate is provided with a guardrail, and the guardrail consists of a fixed guardrail plate, a first movable guardrail plate and a second movable guardrail plate; the first movable breast board is divided into two parts and is connected to the lower part of the fixed breast board through a clamping lock; the number of the second movable breast boards is two, and the second movable breast boards are connected to the upper parts of the fixed breast boards through clamping locks; the clamping lock comprises a clamping lock groove, a movable block and a hinge B; the utility model has simple structure and convenient use; the power maintenance personnel can be prevented from accidentally falling, and the safety factor of the power maintenance personnel is increased. However, the existing device cannot be stably lifted in operation, and the power personnel does not have a device for safely cutting off the power supply during maintenance, so that the existing device has limitation in use.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a special safe power-off device for power machine maintenance personnel.
The invention provides a special safe power-off device for electric machine maintenance personnel, which comprises a base, wherein two first supporting rods are rotatably arranged on the top side of the base, second supporting rods are rotatably arranged at the top ends of the two first supporting rods through a rotating shaft, and the top ends of the two second supporting rods are fixedly provided with the same operating platform;
one side, close to each other, of each of the two rotating shafts is movably provided with a fixed rod and a sliding rod respectively, one end, far away from the corresponding rotating shaft, of each fixed rod is provided with a sliding groove, one end of each sliding rod is slidably arranged in the corresponding sliding groove, one side of each sliding rod is provided with a placing groove, a rack is fixedly arranged in each placing groove, and a gear positioned in each sliding groove is meshed on each rack;
a rotating rod is fixedly mounted at the top end of the gear, a rotating hole is formed in the inner wall of the top side of the sliding groove, the top end of the rotating rod is rotatably mounted in the rotating hole, a rotating motor fixedly mounted on the top side of the fixing rod through a support is arranged above the rotating hole, and an output shaft of the rotating motor extends into the rotating hole and is fixedly mounted on the top end of the rotating rod;
the sliding tray has been seted up to the top side annular of operation panel, and slidable mounting has the sliding block in the sliding tray, outside the top side of sliding block extended to the sliding tray, and fixed mounting had ring baffle, ring baffle keeps away from one side that operation panel top side central point put and has seted up the mounting groove, movable mounting has the sensor in the mounting groove.
Preferably, the both sides of mounting groove all are equipped with and offer the L shape spout of keeping away from operation panel top side central point and putting at ring baffle, and L shape spout is linked together with the mounting groove, slidable mounting has L shape slide bar in the L shape spout, and outside the both ends of L shape slide bar all extended to L shape spout, the constant head tank has all been seted up to the both sides of sensor, the one end of L shape slide bar extends to in the mounting groove, and with constant head tank sliding connection.
Preferably, a first sliding groove is formed in the inner wall of one side of the L-shaped sliding groove, a first sliding block is arranged in the first sliding groove in a sliding mode, one side of the first sliding block extends out of the first sliding groove, and the first sliding block is fixedly installed on the L-shaped sliding rod.
Preferably, the inner wall of one side, far away from each other, of each of the two L-shaped sliding grooves is fixedly provided with a first spring, and one ends, close to each other, of the two first springs are fixedly connected with one side, far away from each other, of the two L-shaped sliding rods respectively.
Preferably, the second sliding grooves are formed in the inner walls of the two sides of the sliding groove, the second sliding blocks are arranged in the second sliding grooves in a sliding mode, one sides of the second sliding blocks extend out of the second sliding grooves, and the second sliding blocks are fixedly arranged on the sliding rods.
Preferably, a second spring is fixedly mounted on the inner wall of one side of the sliding groove, which is close to one rotating shaft connected with the fixing rod, and the second spring is fixedly connected with one end, located in the sliding groove, of the sliding rod.
Preferably, a rotating shaft is rotatably mounted at the bottom end of the gear, and one end of the rotating shaft, which is far away from the gear, is rotatably mounted on the bottom inner wall of the sliding groove.
Preferably, one side of the annular baffle is provided with an opening, the inner wall of the bottom side of the sliding groove is provided with a sliding ball groove, the inner wall of the sliding ball groove is provided with a sliding ball in a sliding manner, and the sliding ball is in contact with the bottom side of the sliding block.
In the invention, the special safe power-off device for the maintenance personnel of the electric power machine is characterized in that an operating platform, a base, a second supporting rod, a first supporting rod, a rotating shaft, a fixed rod, a sliding groove, a sliding rod, a second spring, a second sliding groove, a second sliding block, a placing groove, a rack, a gear, a rotating rod, a rotating hole, a bracket and a rotating motor are matched for use, the rotating motor is started, the rotating motor drives the rotating rod to rotate in the rotating hole, the rotating rod drives the gear to rotate, the gear drives the rack to move, the rack drives the sliding rod to slide in the sliding groove, the sliding rod drives the second sliding block to slide in the second sliding groove, the distance between the sliding rod and the fixed rod is adjusted, the fixed rod and the sliding rod drive the first supporting rod and the second supporting rod to rotate through the rotating shaft, the operating platform is driven to move up and down when the first supporting, the rotating motor is turned off and self-locked, so that the height position of the operating platform can be conveniently and stably adjusted; through the sliding chute, the sliding block, the ring baffle, the mounting groove, a sensor, L shape spout, L shape slide bar, the constant head tank, a first spring, first spout, first slider cooperation is used, rotate the ring baffle, make the ring baffle drive the sensor and remove to the position that power equipment corresponds, the sensor carries out the safe outage through the controller according to the distance position apart from power equipment, simultaneously, remove the sensor to the mounting groove, remove L shape slide bar, L shape slide bar drives first slider and slides in first spout, the one end that drives L shape slide bar under the first spring effort moves to the constant head tank, be convenient for firm installation sensor; the L-shaped sliding rod is moved, so that one end of the L-shaped sliding rod is moved out of the positioning groove, the sensor is moved, and the sensor is convenient to disassemble quickly; the invention can conveniently and stably adjust the height position of the operating platform, is convenient for maintenance personnel to operate, is convenient for safe power failure through the sensor, is convenient for stably installing and disassembling the sensor and is convenient for maintaining and replacing the sensor.
Drawings
FIG. 1 is a schematic structural diagram of a safety power-off device dedicated for electrical machine maintenance personnel according to the present invention;
FIG. 2 is a schematic structural diagram of a portion A in FIG. 1 of a safety power-off device dedicated for electrical machine maintenance personnel according to the present invention;
FIG. 3 is a schematic structural diagram of a part A1 in FIG. 2 of a safety power-off device dedicated for electrical machine maintenance personnel according to the present invention;
FIG. 4 is a schematic structural diagram of a portion B in FIG. 1 of a safety power-off device dedicated for electrical machine maintenance personnel according to the present invention;
fig. 5 is a schematic structural diagram of a part B1 in fig. 4 of a safety power-off device dedicated for electrical machine maintenance personnel according to the present invention.
In the figure: the automatic positioning device comprises an operation table 1, a base 2, a second supporting rod 3, a first supporting rod 4, a rotating shaft 5, a fixing rod 6, a sliding groove 7, a sliding rod 8, a second spring 9, a second sliding groove 10, a second sliding block 11, a placing groove 12, a rack 13, a gear 14, a rotating rod 15, a rotating hole 16, a support 17, a rotating motor 18, a sliding groove 19, a sliding block 20, an annular baffle 21, an installation groove 22, a sensor 23, a sliding groove 24L, a sliding rod 25L, a positioning groove 26, a first spring 27, a first sliding groove 28 and a first sliding block 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples
Referring to fig. 1-5, a special safe power-off device for electric power machine maintenance personnel comprises a base 2, two first supporting rods 4 are rotatably mounted on the top side of the base 2, second supporting rods 3 are rotatably mounted on the top ends of the two first supporting rods 4 through rotating shafts 5, and the same operating table 1 is fixedly mounted on the top ends of the two second supporting rods 3;
a fixed rod 6 and a sliding rod 8 are movably mounted on one side, close to each other, of each of the two rotating shafts 5 respectively, a sliding groove 7 is formed in one end, far away from the corresponding rotating shaft 5, of each fixed rod 6, one end of each sliding rod 8 is slidably mounted in the corresponding sliding groove 7, a placing groove 12 is formed in one side of each sliding rod 8, a rack 13 is fixedly mounted in each placing groove 12, and a gear 14 located in each sliding groove 7 is meshed on each rack 13;
a rotating rod 15 is fixedly installed at the top end of the gear 14, a rotating hole 16 is formed in the inner wall of the top side of the sliding groove 7, the top end of the rotating rod 15 is rotatably installed in the rotating hole 16, a rotating motor 18 fixedly installed on the top side of the fixing rod 6 through a support 17 is arranged above the rotating hole 16, and an output shaft of the rotating motor 18 extends into the rotating hole 16 and is fixedly installed at the top end of the rotating rod 15;
the top side of the operating platform 1 is annularly provided with a sliding groove 19, the sliding groove 19 is internally and slidably provided with a sliding block 20, the top side of the sliding block 20 extends out of the sliding groove 19, the sliding block 21 is fixedly provided with an annular baffle plate 21, one side of the annular baffle plate 21, which is far away from the central position of the top side of the operating platform 1, is provided with a mounting groove 22, a sensor 23 is movably mounted in the mounting groove 22, through the cooperation of the operating platform 1, the base 2, the second support rod 3, the first support rod 4, the rotating shaft 5, the fixed rod 6, the sliding groove 7, the sliding rod 8, the second spring 9, the second sliding groove 10, the second sliding block 11, the placing groove 12, the rack 13, the gear 14, the rotating rod 15, the rotating hole 16, the bracket 17 and the rotating motor 18, the rotating motor 18 is started, the rotating motor 18 drives the rotating rod 15 to rotate in the rotating hole 16, the rotating, the sliding rod 8 drives the second sliding block 11 to slide in the second sliding groove 10, the distance between the sliding rod 8 and the fixed rod 6 is adjusted, the fixed rod 6 and the sliding rod 8 drive the first supporting rod 4 and the second supporting rod 3 to rotate through the rotating shaft 5, the operating table 1 is driven to move up and down when the first supporting rod 4 and the second supporting rod 3 rotate, the rotating motor 18 is turned off after the operating table 1 moves to a required height position, and the rotating motor 18 is self-locked, so that the height position of the operating table 1 can be conveniently and stably adjusted; through the cooperation of the sliding groove 19, the sliding block 20, the annular baffle 21, the mounting groove 22, the sensor 23, the L-shaped sliding groove 24, the L-shaped sliding rod 25, the positioning groove 26, the first spring 27, the first sliding groove 28 and the first sliding block 29, the annular baffle 21 is rotated, so that the annular baffle 21 drives the sensor 23 to move to a position corresponding to the power equipment, the sensor 23 is safely powered off through a controller according to the distance position from the power equipment, meanwhile, the sensor 23 is moved into the mounting groove 22, the L-shaped sliding rod 25 is moved, the L-shaped sliding rod 25 drives the first sliding block 29 to slide in the first sliding groove 28, one end of the L-shaped sliding rod 25 is driven to move into the positioning groove 26 under the action force of the first spring 27, and the sensor 23 is conveniently; moving the L-shaped sliding rod 25 to enable one end of the L-shaped sliding rod 25 to move out of the positioning groove 26, moving the sensor 23 and facilitating quick detachment of the sensor 23; the invention can conveniently and stably adjust the height position of the operating platform 1, is convenient for maintenance personnel to operate, is convenient for safe power failure through the sensor 23, is convenient for stably installing and disassembling the sensor 23, and is convenient for maintaining and replacing the sensor 23.
Two sides of the mounting groove 22 are respectively provided with an L-shaped sliding groove 24 which is arranged at the center of the annular baffle 21 far away from the top side of the operating platform 1, the L-shaped sliding groove 24 is communicated with the mounting groove 22, an L-shaped sliding rod 25 is arranged in the L-shaped sliding groove 24 in a sliding manner, two ends of the L-shaped sliding rod 25 extend out of the L-shaped sliding groove 24, two sides of the sensor 23 are respectively provided with a positioning groove 26, one end of the L-shaped sliding rod 25 extends into the mounting groove 22 and is connected with the positioning groove 26 in a sliding manner, one side inner wall of the L-shaped sliding groove 24 is provided with a first sliding groove 28, a first sliding block 29 is arranged in the first sliding groove 28 in a sliding manner, one side of the first sliding block 29 extends out of the first sliding groove 28 and is fixedly arranged on the L-shaped sliding rod 25, one side inner wall of the two L-shaped sliding grooves 24 far away from each other is respectively, the inner walls of two sides of the sliding groove 7 are both provided with a second sliding chute 10, a second sliding block 11 is arranged in the second sliding chute 10 in a sliding manner, one side of the second sliding block 11 extends out of the second sliding chute 10 and is fixedly arranged on the sliding rod 8, a second spring 9 is fixedly arranged on the inner wall of one side of the sliding groove 7, which is close to a rotating shaft 5 connected with the fixed rod 6, the second spring 9 is fixedly connected with one end of the sliding rod 8, which is positioned in the sliding groove 7, a rotating shaft is rotatably arranged at the bottom end of the gear 14, one end of the rotating shaft, which is far away from the gear 14, is rotatably arranged on the inner wall of the bottom side of the sliding groove 7, one side of the annular baffle 21 is provided with an opening, the inner wall of the bottom side of the sliding groove 19 is provided with a sliding ball groove, the inner wall of the sliding ball groove is slidably arranged with a sliding ball, The rotating shaft 5, the fixed rod 6, the sliding groove 7, the sliding rod 8, the second spring 9, the second sliding groove 10, the second sliding block 11, the placing groove 12, the rack 13, the gear 14, the rotating rod 15, the rotating hole 16, the bracket 17 and the rotating motor 18 are matched for use, the rotating motor 18 is started, the rotating motor 18 drives the rotating rod 15 to rotate in the rotating hole 16, the rotating rod 15 drives the gear 14 to rotate, the gear 14 drives the rack 13 to move, the rack 13 drives the sliding rod 8 to slide in the sliding groove 7, the sliding rod 8 drives the second sliding block 11 to slide in the second sliding groove 10, the distance between the sliding rod 8 and the fixed rod 6 is adjusted, the fixed rod 6 and the sliding rod 8 drive the first supporting rod 4 and the second supporting rod 3 to rotate through the rotating shaft 5, the operating platform 1 is driven to move up and down when the first supporting rod 4 and the second supporting rod 3 rotate, and the operating platform, the rotating motor 18 is turned off, and the rotating motor 18 is self-locked, so that the height position of the operating platform 1 can be stably adjusted; through the cooperation of the sliding groove 19, the sliding block 20, the annular baffle 21, the mounting groove 22, the sensor 23, the L-shaped sliding groove 24, the L-shaped sliding rod 25, the positioning groove 26, the first spring 27, the first sliding groove 28 and the first sliding block 29, the annular baffle 21 is rotated, so that the annular baffle 21 drives the sensor 23 to move to a position corresponding to the power equipment, the sensor 23 is safely powered off through a controller according to the distance position from the power equipment, meanwhile, the sensor 23 is moved into the mounting groove 22, the L-shaped sliding rod 25 is moved, the L-shaped sliding rod 25 drives the first sliding block 29 to slide in the first sliding groove 28, one end of the L-shaped sliding rod 25 is driven to move into the positioning groove 26 under the action force of the first spring 27, and the sensor 23 is conveniently; moving the L-shaped sliding rod 25 to enable one end of the L-shaped sliding rod 25 to move out of the positioning groove 26, moving the sensor 23 and facilitating quick detachment of the sensor 23; the invention can conveniently and stably adjust the height position of the operating platform 1, is convenient for maintenance personnel to operate, is convenient for safe power-off through the sensor 23, is convenient for stably installing and disassembling the sensor 23, is convenient for maintaining and replacing the sensor 23, and the model of the sensor 23 is ZLDS/N-100.
The invention comprises the following steps: starting a rotating motor 18, driving a rotating rod 15 to rotate in a rotating hole 16 by the rotating motor 18, driving a gear 14 to rotate by the rotating rod 15, driving a rack 13 to move by the gear 14, driving a sliding rod 8 to slide in a sliding groove 7 by the rack 13, driving a second sliding block 11 to slide in a second sliding groove 10 by the sliding rod 8, adjusting the distance between the sliding rod 8 and a fixed rod 6, driving a first supporting rod 4 and a second supporting rod 3 to rotate by the fixed rod 6 and the sliding rod 8 through a rotating shaft 5, driving an operating table 1 to move up and down when the first supporting rod 4 and the second supporting rod 3 rotate, closing the rotating motor 18 after the operating table 1 moves to a required height position, and self-locking the rotating motor 18 to achieve the purpose of conveniently and stably adjusting the height position of the operating table 1; the annular baffle 21 is rotated, so that the annular baffle 21 drives the sensor 23 to move to a position corresponding to the power equipment, the sensor 23 is safely powered off through a controller according to the distance from the power equipment, meanwhile, the sensor 23 is moved into the mounting groove 22, the L-shaped slide rod 25 is moved, the L-shaped slide rod 25 drives the first slide block 29 to slide in the first slide groove 28, one end of the L-shaped slide rod 25 is driven to move into the positioning groove 26 under the action of the first spring 27, and the purpose of stably mounting the sensor 23 is achieved; and moving the L-shaped sliding rod 25 to enable one end of the L-shaped sliding rod 25 to move out of the positioning groove 26, moving the sensor 23 and achieving the purpose of conveniently and quickly disassembling the sensor 23.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. A special safe power-off device for electric power machine maintenance personnel comprises a base (2) and is characterized in that two first supporting rods (4) are rotatably mounted on the top side of the base (2), second supporting rods (3) are rotatably mounted at the top ends of the two first supporting rods (4) through rotating shafts (5), and the same operating table (1) is fixedly mounted at the top ends of the two second supporting rods (3);
a fixed rod (6) and a sliding rod (8) are movably mounted on one side, close to each other, of each of the two rotating shafts (5), a sliding groove (7) is formed in one end, away from the corresponding rotating shaft (5), of each fixed rod (6), a sliding groove (7) is slidably mounted at one end of each sliding rod (8), a placing groove (12) is formed in one side of each sliding rod (8), a rack (13) is fixedly mounted in each placing groove (12), and a gear (14) located in each sliding groove (7) is meshed on each rack (13);
a rotating rod (15) is fixedly mounted at the top end of the gear (14), a rotating hole (16) is formed in the inner wall of the top side of the sliding groove (7), the top end of the rotating rod (15) is rotatably mounted in the rotating hole (16), a rotating motor (18) fixedly mounted on the top side of the fixing rod (6) through a support (17) is arranged above the rotating hole (16), and an output shaft of the rotating motor (18) extends into the rotating hole (16) and is fixedly mounted on the top end of the rotating rod (15); a sliding groove (19) is annularly formed in the top side of the operating platform (1), a sliding block (20) is arranged in the sliding groove (19) in a sliding mode, the top side of the sliding block (20) extends out of the sliding groove (19), an annular baffle (21) is fixedly arranged on the sliding groove, the annular baffle (21) is rotated, the annular baffle (21) drives the sensor (23) to move to a position corresponding to the power equipment, and the sensor (23) is safely powered off through the controller according to the distance position between the sensor and the power equipment; one side of the annular baffle (21) far away from the center of the top side of the operating platform (1) is provided with a mounting groove (22), a sensor (23) is movably mounted in the mounting groove (22), two sides of the mounting groove (22) are respectively provided with an L-shaped sliding groove (24) which is arranged on the annular baffle (21) far away from the center of the top side of the operating platform (1), the L-shaped sliding grooves (24) are communicated with the mounting groove (22), an L-shaped sliding rod (25) is slidably mounted in the L-shaped sliding grooves (24), two ends of the L-shaped sliding rod (25) are respectively extended out of the L-shaped sliding grooves (24), positioning grooves (26) are respectively formed in two sides of the sensor (23), one end of the L-shaped sliding rod (25) is extended into the mounting groove (22) and is slidably connected with the positioning grooves (26), a first sliding groove (28) is formed in the inner wall of one side of the L-shaped sliding groove (24, one side of the first sliding block (29) extends out of the first sliding groove (28) and is fixedly installed on the L-shaped sliding rods (25), one inner wall of one side, away from each other, of the two L-shaped sliding grooves (24) is fixedly provided with a first spring (27), one end, close to each other, of the two first springs (27) is fixedly connected with one side, away from each other, of the two L-shaped sliding rods (25), the inner walls of the two sides of the sliding groove (7) are respectively provided with a second sliding groove (10), the second sliding groove (10) is internally and slidably provided with a second sliding block (11), one side of the second sliding block (11) extends out of the second sliding groove (10) and is fixedly installed on the sliding rod (8), one inner wall, close to one rotating shaft (5) connected with the fixing rod (6), of the sliding groove (7) is fixedly provided with a second spring (9), and the second spring (9) is fixedly connected with one end, located in the sliding groove (7), of the sliding rod, the bottom of gear (14) rotates installs the axis of rotation, the one end that the axis of rotation kept away from gear (14) rotates and installs on the bottom side inner wall of sliding groove (7), one side of ring baffle (21) is equipped with the opening, the gliding bead groove has been seted up on the bottom side inner wall of sliding groove (19), and slidable mounting has the gliding bead on the gliding bead inslot wall, and the gliding bead contacts with the bottom side of sliding block (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810172571.1A CN110155915B (en) | 2018-03-01 | 2018-03-01 | Special safe power-off device for power machine maintenance personnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810172571.1A CN110155915B (en) | 2018-03-01 | 2018-03-01 | Special safe power-off device for power machine maintenance personnel |
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| Publication Number | Publication Date |
|---|---|
| CN110155915A CN110155915A (en) | 2019-08-23 |
| CN110155915B true CN110155915B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810172571.1A Active CN110155915B (en) | 2018-03-01 | 2018-03-01 | Special safe power-off device for power machine maintenance personnel |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112134427B (en) * | 2020-09-14 | 2022-12-13 | 浙江郎立电工器材有限公司 | Self-adhesive enameled wire is with circular telegram processing apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2042217B (en) * | 1979-02-05 | 1983-08-17 | Volvo Ab | Self-piloting vehicle |
| CN203392748U (en) * | 2013-06-29 | 2014-01-15 | 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 | Installation base of lifting hook dip angle sensor |
| CN104627899A (en) * | 2015-02-04 | 2015-05-20 | 黄骅 | Shear type lifting platform |
| CN206427977U (en) * | 2017-01-19 | 2017-08-22 | 蔡宁歆 | Lift |
| CN107226402A (en) * | 2017-07-10 | 2017-10-03 | 中山市图睿信息科技有限公司 | A kind of elevator sensing device and elevator |
| CN107644565A (en) * | 2017-10-24 | 2018-01-30 | 潍坊科技学院 | A kind of chemical equipment checking maintenance instructional device |
-
2018
- 2018-03-01 CN CN201810172571.1A patent/CN110155915B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2042217B (en) * | 1979-02-05 | 1983-08-17 | Volvo Ab | Self-piloting vehicle |
| CN203392748U (en) * | 2013-06-29 | 2014-01-15 | 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 | Installation base of lifting hook dip angle sensor |
| CN104627899A (en) * | 2015-02-04 | 2015-05-20 | 黄骅 | Shear type lifting platform |
| CN206427977U (en) * | 2017-01-19 | 2017-08-22 | 蔡宁歆 | Lift |
| CN107226402A (en) * | 2017-07-10 | 2017-10-03 | 中山市图睿信息科技有限公司 | A kind of elevator sensing device and elevator |
| CN107644565A (en) * | 2017-10-24 | 2018-01-30 | 潍坊科技学院 | A kind of chemical equipment checking maintenance instructional device |
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| Publication number | Publication date |
|---|---|
| CN110155915A (en) | 2019-08-23 |
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Denomination of invention: A special safety power-off device for power machine maintenance personnel Effective date of registration: 20211122 Granted publication date: 20201023 Pledgee: Shandong Nanshan Science and Technology Research Institute Co.,Ltd. Pledgor: Yantai Nanshan University Registration number: Y2021980012898 |
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Date of cancellation: 20230612 Granted publication date: 20201023 Pledgee: Shandong Nanshan Science and Technology Research Institute Co.,Ltd. Pledgor: Yantai Nanshan University Registration number: Y2021980012898 |