CN111533053A - Motion interlocking lifting platform capable of automatically detecting placement balance - Google Patents
Motion interlocking lifting platform capable of automatically detecting placement balance Download PDFInfo
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- CN111533053A CN111533053A CN202010408286.2A CN202010408286A CN111533053A CN 111533053 A CN111533053 A CN 111533053A CN 202010408286 A CN202010408286 A CN 202010408286A CN 111533053 A CN111533053 A CN 111533053A
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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 motion interlocking lifting platform for self-detecting placement balance, which comprises a mobile station, wherein a power mechanism is fixedly arranged on the end surface of the right side of the mobile station, a lifting mechanism is arranged on the end surface of the top of the mobile station, a first inclined pressing block chute is arranged in the mobile station, support cavities which are bilaterally symmetrical and have downward openings are arranged on the end surface of the bottom of the mobile station, bilaterally symmetrical main shafts are rotatably connected on the front end surface and the rear end surface of the mobile station, and front and rear symmetrical wheels are fixedly arranged on the front end surface and the rear end surface of the main shafts; the lifting platform is simple in structure and convenient and fast to operate, the lifting action and the moving action of the lifting platform are interlocked by using mechanical interlocking, and whether the support is balanced or not is detected automatically before lifting, so that the safety of playground personnel during lifting operation is ensured.
Description
Technical Field
The invention relates to the related field of dust removing equipment, in particular to a motion interlocking lifting platform capable of automatically detecting and balancing placement.
Background
In recent years, with the development of industrialization, dust and floating particles in the air are increased, and therefore, dust removing equipment is also more and more important.
At the present stage, when wall-body-level glass in a factory is cleaned, auxiliary operation is carried out on a lifting platform, and the existing lifting platform has potential safety hazards of moving equipment and supporting instability and the like when people lift.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a self-detection and balance placement motion interlocking lifting platform, which realizes the interlocking of the lifting action and the moving action of the lifting platform by using mechanical interlocking, and self-detects whether a support is balanced before lifting, thereby ensuring the safety of playground personnel during lifting operation.
The invention discloses a motion interlocking lifting platform of a self-detection placing platform, which comprises a mobile platform, wherein a power mechanism is fixedly arranged on the end surface of the right side of the mobile platform, a lifting mechanism is arranged on the end surface of the top of the mobile platform, a first inclined pressing block chute is arranged in the mobile platform, support cavities which are symmetrical left and right and have downward openings are arranged on the end surface of the bottom of the mobile platform, main shafts which are symmetrical left and right are rotatably connected on the front end surface and the rear end surface of the mobile platform, and wheels which are symmetrical front and back are fixedly arranged on the front end surface and the rear end;
a first supporting block and a second supporting block positioned on the lower side of the first supporting block are arranged in the supporting cavity in a sliding manner, a supporting spring is fixedly connected between the first supporting block and the second supporting block, a limiting cavity with a downward opening is arranged on the end surface of one side, close to each other, of the first supporting block, a limiting rod extending upwards and penetrating through the limiting cavity is fixedly arranged on the end surface of the top of the second supporting block, a first clamping block with a mutually close opening is arranged on the end surface of one side, close to each other, of the second supporting block, a top block sliding groove with a mutually far opening is arranged on the inner wall of one side, close to each other, of the supporting cavity, a rack block and five top blocks, located on one side, far away from each other, of the rack block and matched with the first clamping block are arranged in the top block sliding groove in a sliding manner, and a first reset spring fixedly connected with the rack block is fixedly, the jacking block is close to fixedly being equipped with first stay cord on the terminal surface of rack piece one side, the fixed rack that is equipped with on the rack piece top terminal surface, be equipped with the first transmission chamber that the opening is decurrent on the roof in the jacking block spout, it is connected with first transmission shaft to rotate on the inner wall around the first transmission chamber, fixed being equipped with on the first transmission shaft with rack engaged with first transmission gear and being located the first bevel gear of first transmission gear rear side, it is connected with the second transmission shaft that upwards extends to rotate on the roof in the first transmission chamber, fixed being equipped with on the second transmission shaft with first bevel gear engaged with second bevel gear.
Furthermore, five groups of first inclined pressing blocks which are bilaterally symmetrical are arranged in the first inclined pressing block sliding groove in a sliding manner, a second reset spring fixedly connected with the inner wall of the first inclined pressing block sliding groove is fixedly arranged on the end face of one side, away from each other, of the first inclined pressing block, the other end, away from the top block, of the first pull rope is fixedly connected on the end face of one side, away from the first inclined pressing block, a limiting lug sliding groove with a downward opening is arranged on the end face of the bottom of the first inclined pressing block, a limiting lug sliding in the limiting lug sliding groove is fixedly arranged on the end face of the top of the first inclined pressing block from the second group to the fifth group from top to bottom, a second inclined pressing block sliding groove with a downward opening is arranged on the inner top wall of the first inclined pressing block sliding groove, an insulating plate is fixedly arranged on the inner top wall of the second inclined pressing block sliding groove, and a second inclined, the second inclined pressing block is characterized in that a third reset spring fixedly connected with the top wall of the second inclined pressing block in the sliding groove is fixedly arranged on the end face of the top of the second inclined pressing block, a trapezoidal block sliding groove with an opening close to the second inclined pressing block is formed in the end face of one side, close to the second inclined pressing block, of the second inclined pressing block, a trapezoidal block is arranged in the sliding groove of the trapezoidal block in a sliding mode, a first electrified block is fixedly arranged on the end face of one side, close to the trapezoidal block, of the trapezoidal block, and a fourth reset spring fixedly connected with the inner wall of the trapezoidal block sliding groove is fixedly.
Further, the power mechanism comprises a power box arranged on the right end face of the mobile station, a connecting block is fixedly connected between the end face of the power box and the right end face of the mobile station, a second transmission cavity with a rightward opening is arranged on the left end face of the power box, a lifting motor is fixedly arranged on the inner wall of the right side of the second transmission cavity, a first spline shaft extending leftwards is dynamically connected onto the left end face of the lifting motor, a first spline shaft is in spline fit with the first spline housing, a second transmission gear positioned on the left side of the first spline housing is rotatably arranged on the first spline shaft, first meshing teeth are fixedly arranged on the left end face of the first spline housing, second meshing teeth matched with the first meshing teeth are fixedly arranged on the right end face of the second transmission gear, and a first shifting block sliding chute with an upward opening is arranged on the inner bottom wall of the second transmission cavity, a first shifting block with an upward opening is arranged in the first shifting block sliding groove in a sliding manner, a first annular shifting block is fixedly arranged on the annular end face of the first spline sleeve, the upward opening of the first shifting block is connected with the first annular shifting block in a rotating fit manner through a bearing, a first electromagnetic spring fixedly connected with the inner wall of the left side of the first shifting block sliding groove is fixedly arranged on the left end face of the first shifting block, a second pull rope is fixedly arranged on the right end face of the first shifting block, a first bayonet with a downward opening is arranged on the bottom end face of the first shifting block, a first fixture block sliding groove with an upward opening is arranged on the inner bottom wall of the first shifting block sliding groove, a second fixture block is arranged in the first fixture block sliding groove in a sliding manner, a third fixture block with an upward opening and matched with the first bayonet is arranged on the top end face of the second fixture block, a fifth reset spring fixedly connected with the inner wall of the front side of the first fixture block sliding groove is fixedly arranged on the front side, a third pull rope is fixedly arranged on the rear end face of the second fixture block, a fourth transmission shaft extending rightwards is rotatably arranged on the left and right end faces of the mobile station, a third transmission cavity is arranged on the top wall in the support cavity, a fourth transmission cavity which is bilaterally symmetrical is arranged between the two third transmission cavities, the fourth transmission shaft penetrates through the third transmission cavity and the left and right inner walls of the fourth transmission cavity and is in running fit connection with the third transmission cavity, a third transmission gear which can be adsorbed on the fourth transmission shaft through an electromagnet is arranged on the part extending rightwards of the fourth transmission shaft, an inner meshing tooth socket with the right opening is arranged on the right end face of the third transmission gear, a screw rod extending downwards is rotatably connected on the inner bottom wall of the third transmission cavity, a third bevel gear is fixedly arranged on the screw rod, and a threaded hole with the upward opening is arranged on the top end face of the first support block, the part of the third bevel gear, which extends downwards into the supporting cavity, penetrates through the threaded hole and is meshed with the threaded hole, the part of the second transmission shaft, which extends upwards into the fourth transmission cavity, is fixedly provided with a fourth bevel gear, the part of the fourth transmission shaft, which is positioned in the third transmission cavity, is fixedly provided with a fifth bevel gear meshed with the third bevel gear, and the part of the fourth transmission shaft, which is positioned in the fourth transmission cavity, is fixedly provided with a sixth bevel gear meshed with the fourth bevel gear.
Furthermore, a fifth transmission cavity is arranged on the right inner wall of the top block chute on the left side, the main shaft on the left side penetrates through the front and rear inner walls of the fifth transmission cavity and is connected with the front and rear inner walls in a rotating and matching manner, a first belt wheel is fixedly arranged on the part of the main shaft on the left side, which is positioned in the fifth transmission cavity, a displacement motor is fixedly arranged on the front inner wall of the fifth transmission cavity, a second spline shaft which extends backwards and is connected with the rear inner wall of the fifth transmission cavity in a rotating manner is connected to the rear end face of the displacement motor in a power connection manner, a second belt wheel is rotatably arranged on the second spline shaft, the second belt wheel is connected with the first belt wheel in a driving and matching manner through a transmission belt, a second spline sleeve positioned on the front side of the second belt wheel is in a spline fit manner on the second spline shaft, third meshing teeth are fixedly arranged on the rear end face of the second spline sleeve, and fourth meshing teeth matched with the third meshing teeth are fixedly arranged on the front face of the, a second annular shifting block is fixedly arranged on the annular end face of the second spline sleeve, a second shifting block sliding groove with a leftward opening is formed in the inner wall of the right side of the third clamping block, a second shifting block with a leftward opening is arranged in the second shifting block sliding groove in a sliding manner, the leftward opening of the second shifting block is connected with the second annular shifting block in a rotating fit manner through a bearing, a second electromagnetic spring fixedly connected with the inner wall of the rear side of the second shifting block sliding groove is fixedly arranged on the end face of the rear side of the second shifting block, the other end, away from the second clamping block, of the third pull rope is fixedly connected onto the end face of the front side of the second shifting block, a second bayonet with a rightward opening is arranged on the end face of the right side of the second shifting block sliding groove, a second clamping block sliding groove with a leftward opening is arranged on the inner wall of the right side of the second shifting block sliding groove, a fourth clamping block is arranged in the sliding groove, and a seventh reset spring fixedly connected with the inner top wall of the second, the end face of the bottom of the fourth clamping block is fixedly connected with the other end, far away from the first shifting block, of the second pull rope, and the end face of the left side of the fourth clamping block is provided with a third bayonet with a left opening matched with the second bayonet.
Further, the lifting mechanism comprises fixed blocks which are arranged on the top end face of the mobile station in a bilateral symmetry manner, a lifting platform is fixedly arranged on the top end face of the fixed block, a pressing plate chute with a downward opening is arranged on the bottom end face of the left fixed block, a pressing plate is arranged in the pressing plate chute in a sliding manner, a third electromagnetic spring fixedly connected with the top wall in the pressing plate chute is fixedly arranged on the top end face of the pressing plate, the third electromagnetic spring is electrically connected with the first electrifying block through a circuit, a shaft sleeve chute with an upward opening is arranged on the top end face of the mobile station, threaded shaft sleeves with bilateral symmetry are arranged in the shaft sleeve chute in a sliding manner, a hinge rod is hinged between each threaded shaft sleeve and the fixed block, threaded rods which extend rightwards and have opposite left and right threads are rotatably connected on the left and right inner walls of, the threaded rod stretches into fixed being equipped with on the external part right and can pass through the fourth drive gear of electro-magnet absorption on the threaded rod, fourth drive gear with third drive gear meshes mutually, be equipped with the ascending piece spout that receives of opening on the axle sleeve spout left side inner wall, it is equipped with the piece that receives to slide in the piece spout, the piece internal fixation that receives is equipped with the second electrification piece, receive fixed being equipped with on the piece bottom terminal surface with the sixth reset spring who receives bottom wall fixed connection in the piece spout, receive the fixed conducting strip that is equipped with longitudinal symmetry about the piece spout on the inner wall, the upside the conducting strip with electromagnetism iron in the fourth drive gear passes through the circuit electricity and connects, the downside the conducting strip with electromagnetism iron in the third drive gear passes through the circuit electricity and connects.
Furthermore, the elastic force of a single spring of the first return spring is greater than the sum of the elastic forces of five springs of the second return spring.
The invention has the beneficial effects that: the lifting platform is simple in structure and convenient and fast to operate, the lifting action and the moving action of the lifting platform are interlocked by using mechanical interlocking, and whether the support is balanced or not is detected automatically before lifting, so that the safety of playground personnel during lifting operation is ensured.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram at C-C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram at D-D in FIG. 1 according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram at E-E in FIG. 3 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The self-detecting balance-placing interlocking lifting platform comprises a mobile station 10, a power mechanism is fixedly arranged on the end surface of the right side of the mobile station 10, a lifting mechanism is arranged on the end surface of the top of the mobile station 10, a first inclined pressing block chute 75 is arranged in the mobile station 10, support cavities 13 which are bilaterally symmetrical and have downward openings are arranged on the end surface of the bottom of the mobile station 10, bilaterally symmetrical spindles 58 are rotatably connected to the front and rear end surfaces of the mobile station 10, front and rear symmetrical wheels are fixedly arranged on the front and rear end surfaces of the spindles 58, a first support block 19 and a second support block 11 which is positioned on the lower side of the first support block 19 are slidably arranged in the support cavities 13, a support spring 14 is fixedly connected between the first support block 19 and the second support block 11, a limiting cavity 16 which has downward openings is arranged on the end surface of one side where the first support block 19 is close to each other, a limiting rod 15 extending upwards to penetrate through the limiting cavity 16 is fixedly arranged on the end surface of the top of the second supporting block 11, a first clamping block 12 with an opening close to each other is arranged on the end surface of one side of the second supporting block 11 close to each other, a top block sliding groove 65 with an opening far away from each other is arranged on the inner wall of one side of the supporting cavity 13 close to each other, a rack block 61 and five top blocks 64 located on one side of the rack block 61 far away from each other and matched with the first clamping block 12 are arranged in the top block sliding groove 65 in a sliding manner, a first return spring 63 fixedly connected with the rack block 61 is fixedly arranged on the end surface of one side of the top block 64 close to the rack block 61, a first pull rope 62 is fixedly arranged on the end surface of one side of the top block 64 close to the rack block 61, a rack 60 is fixedly arranged on the end surface of the top of the rack block 61, and a first transmission cavity 93 with a downward, a first transmission shaft 94 is rotatably connected to the front inner wall and the rear inner wall of the first transmission cavity 93, a first transmission gear 97 meshed with the rack 60 and a first bevel gear 96 located behind the first transmission gear 97 are fixedly arranged on the first transmission shaft 94, a second transmission shaft 35 extending upwards is rotatably connected to the inner top wall of the first transmission cavity 93, and a second bevel gear 95 meshed with the first bevel gear 96 is fixedly arranged on the second transmission shaft 35.
Beneficially, five groups of first oblique pressing blocks 74 which are bilaterally symmetrical are slidably arranged in the first oblique pressing block sliding groove 75, a second return spring 76 which is fixedly connected with the inner wall of the first oblique pressing block sliding groove 75 is fixedly arranged on the end surface of the side, away from each other, of the first oblique pressing block 74, the other end, away from the top block 64, of the first pull rope 62 is fixedly connected on the end surface of the side, away from each other, of the first oblique pressing block 74, a limiting bump sliding groove 73 with a downward opening is arranged on the end surface of the bottom of the first oblique pressing block 74, a limiting bump which is slidably arranged in the limiting bump sliding groove 73 is fixedly arranged on the end surface of the top of the first oblique pressing block 74 from the second group to the fifth group from the top down, a second oblique pressing block sliding groove 69 with a downward opening is arranged on the inner top wall of the first oblique pressing block sliding groove 75, an insulating plate 71 is fixedly arranged on the inner top wall of the second oblique pressing block sliding groove, the second inclined pressing block 68 is fixedly provided with a third reset spring 70 fixedly connected with the top wall in the second inclined pressing block sliding groove 69 on the end face of the top portion, a trapezoidal block sliding groove 67 with an opening close to each other is formed in the end face of one side, close to each other, of the second inclined pressing block 68, a trapezoidal block 81 is slidably arranged in the trapezoidal block sliding groove 67, a first electrified block 72 is fixedly arranged on the end face of one side, close to each other, of the trapezoidal block 81, and a fourth reset spring 66 fixedly connected with the inner wall of the trapezoidal block sliding groove 67 is fixedly arranged on the end face of one side, away from each other, of the trapezoidal block 81.
Advantageously, the power mechanism includes a power box 56 disposed on the right end face of the mobile station 10, a connecting block is fixedly connected between the end face of the power box 56 and the right end face of the mobile station 10, a second transmission cavity 47 with a rightward opening is disposed on the left end face of the power box 56, a lifting motor 48 is fixedly disposed on the inner wall of the right side of the second transmission cavity 47, a first spline shaft 45 extending leftward is dynamically connected to the end face of the left side of the lifting motor 48, a first spline housing 46 is spline-fitted onto the first spline shaft 45, a second transmission gear 44 disposed on the left side of the first spline housing 46 is rotatably disposed on the first spline shaft 45, first engaging teeth are fixedly disposed on the end face of the left side of the first spline housing 46, second engaging teeth matched with the first engaging teeth are fixedly disposed on the end face of the right side of the second transmission gear 44, a first shifting block sliding groove 49 with an upward opening is disposed on the inner bottom wall of the second transmission cavity 47, a first shifting block 51 with an upward opening is arranged in the first shifting block sliding groove 49 in a sliding manner, a first annular shifting piece is fixedly arranged on the annular end surface of the first spline sleeve 46, the upward opening of the first shifting block 51 is connected with the first annular shifting piece in a rotating fit manner through a bearing, a first electromagnetic spring 55 fixedly connected with the inner wall of the left side of the first shifting block sliding groove 49 is fixedly arranged on the end surface of the left side of the first shifting block 51, a second pull rope 50 is fixedly arranged on the end surface of the right side of the first shifting block 51, a first bayonet 54 with a downward opening is arranged on the end surface of the bottom of the first shifting block 51, a first clamping block sliding groove 53 with an upward opening is arranged on the inner wall of the first shifting block sliding groove 49, a second clamping block 52 is arranged in the first clamping block sliding groove 53 in a sliding manner, a third clamping block 79 with an upward opening and matched with the first bayonet 54 is arranged on the end surface of the top of, a fifth return spring 98 fixedly connected with the inner wall of the front side of the first fixture block chute 53 is fixedly arranged on the end surface of the front side of the second fixture block 52, a third pull rope 91 is fixedly arranged on the end surface of the rear side of the second fixture block 52, a fourth transmission shaft 77 extending rightwards is rotatably arranged on the left and right end surfaces of the mobile station 10, a third transmission cavity 40 is arranged on the inner top wall of the support cavity 13, a fourth transmission cavity 37 which is bilaterally symmetrical is arranged between the two third transmission cavities 40, the fourth transmission shaft 77 penetrates through the third transmission cavity 40 and the left and right inner walls of the fourth transmission cavity 37 and is in rotating fit connection with the third transmission cavity, a third transmission gear 42 which can be adsorbed on the fourth transmission shaft 77 through an electromagnet is arranged on the part of the fourth transmission shaft 77 extending rightwards, an inner engaging tooth groove 43 with a right opening is arranged on the end surface of the right side of the third transmission gear 42, and the inner engaging tooth, a screw 17 extending downwards is rotatably connected to the inner bottom wall of the third transmission cavity 40, a third bevel gear 39 is fixedly arranged on the screw 17, a threaded hole 18 with an upward opening is formed in the top end face of the first support block 19, a portion of the third bevel gear 39 extending downwards into the support cavity 13 penetrates through the threaded hole 18 and is meshed with the threaded hole, a fourth bevel gear 36 is fixedly arranged on a portion of the second transmission shaft 35 extending upwards into the fourth transmission cavity 37, a fifth bevel gear 38 meshed with the third bevel gear 39 is fixedly arranged on a portion of the fourth transmission shaft 77 located in the third transmission cavity 40, and a sixth bevel gear 34 meshed with the fourth bevel gear 36 is fixedly arranged on a portion of the fourth transmission shaft 77 located in the fourth transmission cavity 37.
Beneficially, a fifth transmission cavity 78 is disposed on the right inner wall of the top block sliding groove 65 on the left side, the main shaft 58 on the left side penetrates through the front and rear inner walls of the fifth transmission cavity 78 and is connected with the front and rear inner walls in a rotating and matching manner, a first belt pulley 80 is fixedly disposed on the part of the main shaft 58 on the left side, which is located in the fifth transmission cavity 78, a displacement motor 92 is fixedly disposed on the front inner wall of the fifth transmission cavity 78, a second spline shaft 84 which extends backwards and is connected with the rear inner wall of the fifth transmission cavity 78 in a rotating manner is dynamically connected to the rear end face of the displacement motor 92, a second belt pulley 83 is rotatably disposed on the second spline shaft 84, the second belt pulley 83 is connected with the first belt pulley 80 in a driving and matching manner through a transmission belt, a second side spline sleeve 82 located in front of the second belt pulley 83 is spline fitted on the second spline shaft 84, a third meshing tooth is fixedly disposed on the rear face of the second spline sleeve 82, a fourth meshing tooth matched with the third meshing tooth is fixedly arranged on the end face of the front side of the second spline shaft 84, a second annular shifting block is fixedly arranged on the annular end face of the second spline sleeve 82, a second shifting block sliding groove 85 with a leftward opening is arranged on the inner wall of the right side of the third clamping block 79, a second shifting block 87 with a leftward opening is arranged in the second shifting block sliding groove 85 in a sliding manner, the leftward opening of the second shifting block 87 is connected with the second annular shifting block in a rotating and matching manner through a bearing, a second electromagnetic spring 86 fixedly connected with the inner wall of the rear side of the second shifting block sliding groove 85 is fixedly arranged on the end face of the rear side of the second shifting block 87, the other end, far away from the second clamping block 52, of the third pull rope 91 is fixedly connected onto the end face of the front side of the second shifting block 87, a second bayonet 90 with a rightward opening is arranged on the end face of the right side of the second shifting block 87, and a second sliding groove 88 with a leftward opening is arranged on the inner wall of the, a fourth fixture block 89 is slidably arranged in the second fixture block sliding groove 88, a seventh return spring 99 fixedly connected with the inner top wall of the second fixture block sliding groove 88 is fixedly arranged on the top end surface of the fourth fixture block 89, the other end, far away from the first shifting block 51, of the second pull rope 50 is fixedly connected onto the bottom end surface of the fourth fixture block 89, and a third bayonet 59 with a leftward opening matched with the second bayonet 90 is arranged on the left end surface of the fourth fixture block 89.
Beneficially, the lifting mechanism includes a fixed block 28 with bilateral symmetry provided on the top end face of the mobile station 10, a lifting platform 29 is fixedly provided on the top end face of the fixed block 28, the left side is provided with a pressing plate chute 25 with a downward opening on the bottom end face of the fixed block 28, a pressing plate 27 is slidably provided in the pressing plate chute 25, a third electromagnetic spring 26 fixedly connected with the top wall in the pressing plate chute 25 is provided on the top end face of the pressing plate 27, the third electromagnetic spring 26 is electrically connected with the first electrifying block 72 through a circuit, an axle sleeve chute 33 with an upward opening is provided on the top end face of the mobile station 10, a threaded axle sleeve 32 with bilateral symmetry is slidably provided in the axle sleeve chute 33, a hinge rod 30 is hinged between the threaded axle sleeve 32 and the fixed block 28, a threaded rod 31 with right extension and opposite left and right threads is rotatably connected on the, the threaded rod 31 penetrates through the threaded shaft sleeve 32 and is meshed with the threaded shaft sleeve, a fourth transmission gear 41 which can be adsorbed on the threaded rod 31 through an electromagnet is fixedly arranged on the part of the threaded rod 31 extending rightwards into the outside, the fourth transmission gear 41 is meshed with the third transmission gear 42, a pressed block chute 20 with an upward opening is arranged on the inner wall of the left side of the shaft sleeve chute 33, a pressed block 24 is arranged in the pressed block sliding groove 20 in a sliding way, a second electrifying block 23 is fixedly arranged in the pressed block 24, a sixth return spring 21 fixedly connected with the bottom wall of the compression block chute 20 is fixedly arranged on the end surface of the bottom of the compression block 24, the left and right inner walls of the pressed block sliding groove 20 are fixedly provided with conducting strips 22 which are symmetrical up and down, the upper conducting strip 22 is electrically connected with the electromagnet in the fourth transmission gear 41 through a circuit, and the lower conducting strip 22 is electrically connected with the electromagnet in the third transmission gear 42 through a circuit.
Advantageously, the spring force of the individual springs of the first return spring 63 is greater than the sum of the spring forces of the five springs of the second return spring 76.
In the initial state, the pressing plate 27 is located at the lower limit position under the action of the third electromagnetic spring 26, the pressed block 24 is contracted in the pressed block sliding groove 20 to make the sixth return spring 21 in the pressed state, the second conducting block 23 is electrically connected with the lower conducting plate 22, the threaded bushings 32 are located at the limit positions close to each other, the first shifting block 51 is located at the right limit position under the action of the first electromagnetic spring 55 to make the first spline housing 46 located at the right limit position to make the first engaging tooth disengaged from the second engaging tooth, the second shifting block 87 is located at the front limit position under the action of the second electromagnetic spring 86 to make the second spline housing 82 located at the front limit position to make the third engaging tooth disengaged from the fourth engaging tooth, and the second latch 52 is located at the front limit position under the action of the fifth return spring 98, the third block 79 is communicated with the first bayonet 54, the fourth block 89 is located at the upper limit position under the action of the seventh return spring 99, the third bayonet 59 is communicated with the second bayonet 90, and the fourth return spring 66 and the third return spring 70 are in a pressing state.
When the platform moves, the displacement motor 92 is started, the second electromagnetic spring 86 is electrified, the second shifting block 87 is enabled to be displaced backwards under the action of the second electromagnetic spring 86, the second spline sleeve 82 is enabled to be displaced backwards, so that the third meshing tooth is meshed with the fourth meshing tooth, the displacement motor 92 drives the second spline shaft 84 to rotate, the second spline sleeve 82 drives the second belt wheel 83 meshed with the second spline sleeve to rotate, the first belt wheel 80 and the main shaft 58 are driven to rotate, the main shaft 58 rotates to drive the wheels to rotate, the shifting action is completed, the second shifting block 87 is displaced backwards to strain the third pull rope 91, so that the second clamping block 52 is displaced backwards, the second clamping block 52 is clamped into the first clamping opening 54, and the displacement of the first shifting block 51 is prevented; after the platform stops moving, the displacement motor 92 is turned off, the second electromagnetic spring 86 is powered off, the second shifting block 87 returns to the initial position under the action of the second electromagnetic spring 86, so that the second spline sleeve 82 moves forwards to return to the initial position, the third meshing tooth is disengaged from the fourth meshing tooth, the second shifting block 87 moves forwards to release the third pull rope 91, and the second fixture block 52 returns forwards to the initial state under the action of the fifth return spring 98 to be disengaged from the first bayonet 54; when the platform is lifted, the lifting motor 48 is started to drive the first spline shaft 45 to rotate forwardly, the first electromagnetic spring 55, the conducting strip 22 and the first electrifying block 72 are electrified, the second electrifying block 23 is electrically connected with the conducting strip 22 on the lower side to enable the electromagnet in the third transmission gear 42 to work, the first electromagnetic spring 55 is electrified to enable the first shifting block 51 to move leftwards under the action of the first electromagnetic spring 55 to strain the second pull rope 50, so that the fourth clamping block 89 moves downwards to be clamped in the second bayonet 90 to prevent the second shifting block 87 from moving, movement and upgrading interlocking are realized, the first shifting block 51 moves to the left limit position to enable the first spline sleeve 46 to move leftwards to the left limit position, so that the first meshing teeth are meshed with the second meshing teeth, the first spline shaft 45 drives the first spline sleeve 46 to rotate forwardly, the first spline sleeve 46 drives the second transmission gear 44 meshed with the forward rotation, thereby driving the third transmission gear 42 engaged with the second transmission gear 44 to rotate forward, the third transmission gear 42 rotates forward and drives the fourth transmission shaft 77 to rotate forward through the electromagnet working in the third transmission gear 42, thereby driving the sixth bevel gear 34 and the fifth bevel gear 38 to rotate forward, the fifth bevel gear 38 rotates forward and drives the third bevel gear 39 engaged therewith to rotate backward, thereby driving the screw 17 to rotate backward, the screw 17 rotates backward and drives the first supporting block 19 and the second supporting block 11 to displace downward through the threaded hole 18, the sixth bevel gear 34 rotates forward and drives the fourth bevel gear 36 engaged therewith to rotate backward, thereby driving the second bevel gear 95 coaxial with the fourth bevel gear 36 to rotate backward, the second bevel gear 95 rotates backward and drives the first bevel gear 96 engaged therewith to rotate forward and thereby driving the first transmission gear 97 coaxial with the first bevel gear 96 to rotate forward, the first transmission gear 97 rotates forward and drives the rack block 61 to displace toward the direction far away from each other through the rack 60 to press the first return spring 63, the top block 64 is clamped into the first clamping block 12 under the action of the first return spring 63 to tighten the first pull rope 62, so that the first inclined pressing block 74 is pulled to displace towards the direction away from the insulating plate 71, the second inclined pressing block 68 is further displaced downwards under the action of the third return spring 70 to extend into the first inclined pressing block sliding groove 75, and the trapezoidal blocks 81 are further displaced towards the direction of approaching each other under the action of the fourth return spring 66; when the first supporting block 19 and the second supporting block 11 are displaced to the lower limit position, if the ground is uneven, deformation amounts of the supporting springs 14 are different, so that distances of downward displacement of the second supporting block 11 are different, the clamped top blocks 64 in the first clamping blocks 12 on the left side and the right side are not the same in bilateral symmetry, the numbers of displacements of the first inclined pressing blocks 74 on the two sides in the direction away from the insulating plate 71 are different, distances of downward displacement of the second inclined pressing blocks 68 on the left side and the right side are different, and the first electrified block 72 in the trapezoid block 81 is still in an electric connection disconnection state, so that the lifting action is stopped; if the ground is flat, the top blocks 64 clamped in the first clamping blocks 12 on the left and right sides are the same in bilateral symmetry, the first oblique clamping blocks 74 on the two sides are the same in displacement number in the direction away from the insulating plate 71, so that the distance of downward displacement of the left and right second oblique clamping blocks 68 is the same, the two first electrifying blocks 72 are electrically connected, the third electromagnetic spring 26 is electrified, the pressing plate 27 is upwardly displaced under the action of the third electromagnetic spring 26, the second electrifying block 23 is upwardly displaced under the action of the sixth return spring 21, the second electrifying block 23 is electrically disconnected from the conducting plate 22 on the lower side, the second electrifying block 23 is electrically connected with the conducting plate 22 on the upper side, the electromagnet in the third transmission gear 42 is powered off, the electromagnet in the fourth transmission gear 41 is powered on, and the third transmission gear 42 drives the fourth transmission gear 41 meshed with the forward rotation to reversely rotate, therefore, the electromagnet working in the fourth transmission gear 41 drives the threaded rod 31 to rotate reversely, so that the threaded shaft sleeves 32 move towards the direction away from each other, and the lifting operation of the lifting platform 29 is completed; when the platform is lowered, the lifting motor 48 drives the first spline shaft 45 to rotate reversely, and the first energizing block 72 is powered off, so that the third electromagnetic spring 26 is powered off, the pressing plate 27 is made to move downwards under the action of the third electromagnetic spring 26 to return to the initial position, the first spline shaft 45 rotates reversely to drive the second transmission gear 44 to rotate reversely, so as to drive the second transmission gear 44 meshed with the second transmission gear 44 and the third transmission gear 42 meshed with the second transmission gear 44 to rotate reversely, the third transmission gear 42 rotates reversely to drive the fourth transmission gear 41 meshed with the third transmission gear to rotate forwards, so that the electromagnet working in the fourth transmission gear 41 drives the threaded rod 31 to rotate forwards, so that the threaded shaft sleeve 32 moves towards the mutually approaching direction to complete the lowering of the lifting platform 29, when the lifting platform 29 is lowered to the initial position, the fourth transmission cavity 37 presses the conducting block 24 downwards to move downwards, so that the second energizing block 23 is electrically disconnected from the conducting strip 22 on the upper side, and the second electrifying block 23 is electrically connected with the conducting strip 22 at the lower side, so that the electromagnet in the fourth transmission gear 41 is powered off, the electromagnet in the third transmission gear 42 is electrified, the third transmission gear 42 reversely rotates, the electromagnet in the third transmission gear 42 drives the fourth transmission shaft 77 to reversely rotate, and the recovery of the first supporting block 19 and the second supporting block 11 is completed.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a motion interlocking lift platform of self test placement balance, includes the mobile station, its characterized in that: a power mechanism is fixedly arranged on the end surface of the right side of the moving platform, a lifting mechanism is arranged on the end surface of the top of the moving platform, a first inclined pressing block chute is arranged in the moving platform, support cavities which are bilaterally symmetrical and have downward openings are arranged on the end surface of the bottom of the moving platform, bilaterally symmetrical main shafts are rotatably connected to the front end surface and the rear end surface of the moving platform, and front and rear symmetrical wheels are fixedly arranged on the front end surface and the rear end surface of the main shafts; a first supporting block and a second supporting block positioned on the lower side of the first supporting block are arranged in the supporting cavity in a sliding manner, a supporting spring is fixedly connected between the first supporting block and the second supporting block, a limiting cavity with a downward opening is arranged on the end surface of one side, close to each other, of the first supporting block, a limiting rod extending upwards and penetrating through the limiting cavity is fixedly arranged on the end surface of the top of the second supporting block, a first clamping block with a mutually close opening is arranged on the end surface of one side, close to each other, of the second supporting block, a top block sliding groove with a mutually far opening is arranged on the inner wall of one side, close to each other, of the supporting cavity, a rack block and five top blocks, located on one side, far away from each other, of the rack block and matched with the first clamping block are arranged in the top block sliding groove in a sliding manner, and a first reset spring fixedly connected with the rack block is fixedly, the jacking block is close to fixedly being equipped with first stay cord on the terminal surface of rack piece one side, the fixed rack that is equipped with on the rack piece top terminal surface, be equipped with the first transmission chamber that the opening is decurrent on the roof in the jacking block spout, it is connected with first transmission shaft to rotate on the inner wall around the first transmission chamber, fixed being equipped with on the first transmission shaft with rack engaged with first transmission gear and being located the first bevel gear of first transmission gear rear side, it is connected with the second transmission shaft that upwards extends to rotate on the roof in the first transmission chamber, fixed being equipped with on the second transmission shaft with first bevel gear engaged with second bevel gear.
2. A self-testing placement balanced motion interlocking lift platform as claimed in claim 1 wherein: five groups of first inclined pressing blocks which are bilaterally symmetrical are arranged in the first inclined pressing block sliding groove in a sliding manner, a second reset spring fixedly connected with the inner wall of the first inclined pressing block sliding groove is fixedly arranged on the end face of one side, away from each other, of the first inclined pressing block, the other end, away from the top block, of the first pull rope is fixedly connected with the end face of one side, away from the first inclined pressing block, of the first inclined pressing block, a limiting lug sliding in the limiting lug sliding groove is fixedly arranged on the end face of the bottom of the first inclined pressing block, a limiting lug sliding downwards in the limiting lug sliding groove is arranged on the end face of the top of the first inclined pressing block from the second group to the fifth group, a second inclined pressing block sliding groove with a downward opening is arranged on the inner top wall of the first inclined pressing block sliding groove, an insulating plate is fixedly arranged on the inner top wall of the second inclined pressing block, the second inclined pressing block is characterized in that a third reset spring fixedly connected with the top wall of the second inclined pressing block in the sliding groove is fixedly arranged on the end face of the top of the second inclined pressing block, a trapezoidal block sliding groove with an opening close to the second inclined pressing block is formed in the end face of one side, close to the second inclined pressing block, of the second inclined pressing block, a trapezoidal block is arranged in the sliding groove of the trapezoidal block in a sliding mode, a first electrified block is fixedly arranged on the end face of one side, close to the trapezoidal block, of the trapezoidal block, and a fourth reset spring fixedly connected with the inner wall of the trapezoidal block sliding groove is fixedly.
3. A self-testing placement balanced motion interlocking lift platform as claimed in claim 1 wherein: the power mechanism comprises a power box arranged on the end face of the right side of the mobile station, a connecting block is fixedly connected between the end face of the power box and the end face of the right side of the mobile station, a second transmission cavity with a rightward opening is arranged on the end face of the left side of the power box, a lifting motor is fixedly arranged on the inner wall of the right side of the second transmission cavity, a first spline shaft extending leftwards is dynamically connected on the end face of the left side of the lifting motor, a first spline shaft is in spline fit with a first spline housing and is rotatably provided with a second transmission gear positioned on the left side of the first spline housing, first meshing teeth are fixedly arranged on the end face of the left side of the first spline housing, second meshing teeth matched with the first meshing teeth are fixedly arranged on the end face of the right side of the second transmission gear, and a first shifting block sliding chute with an upward opening is arranged on the inner, a first shifting block with an upward opening is arranged in the first shifting block sliding groove in a sliding manner, a first annular shifting block is fixedly arranged on the annular end face of the first spline sleeve, the upward opening of the first shifting block is connected with the first annular shifting block in a rotating fit manner through a bearing, a first electromagnetic spring fixedly connected with the inner wall of the left side of the first shifting block sliding groove is fixedly arranged on the left end face of the first shifting block, a second pull rope is fixedly arranged on the right end face of the first shifting block, a first bayonet with a downward opening is arranged on the bottom end face of the first shifting block, a first fixture block sliding groove with an upward opening is arranged on the inner bottom wall of the first shifting block sliding groove, a second fixture block is arranged in the first fixture block sliding groove in a sliding manner, a third fixture block with an upward opening and matched with the first bayonet is arranged on the top end face of the second fixture block, a fifth reset spring fixedly connected with the inner wall of the front side of the first fixture block sliding groove is fixedly arranged on the front side, a third pull rope is fixedly arranged on the rear end face of the second fixture block, a fourth transmission shaft extending rightwards is rotatably arranged on the left and right end faces of the mobile station, a third transmission cavity is arranged on the top wall in the support cavity, a fourth transmission cavity which is bilaterally symmetrical is arranged between the two third transmission cavities, the fourth transmission shaft penetrates through the third transmission cavity and the left and right inner walls of the fourth transmission cavity and is in running fit connection with the third transmission cavity, a third transmission gear which can be adsorbed on the fourth transmission shaft through an electromagnet is arranged on the part extending rightwards of the fourth transmission shaft, an inner meshing tooth socket with the right opening is arranged on the right end face of the third transmission gear, a screw rod extending downwards is rotatably connected on the inner bottom wall of the third transmission cavity, a third bevel gear is fixedly arranged on the screw rod, and a threaded hole with the upward opening is arranged on the top end face of the first support block, the part of the third bevel gear, which extends downwards into the supporting cavity, penetrates through the threaded hole and is meshed with the threaded hole, the part of the second transmission shaft, which extends upwards into the fourth transmission cavity, is fixedly provided with a fourth bevel gear, the part of the fourth transmission shaft, which is positioned in the third transmission cavity, is fixedly provided with a fifth bevel gear meshed with the third bevel gear, and the part of the fourth transmission shaft, which is positioned in the fourth transmission cavity, is fixedly provided with a sixth bevel gear meshed with the fourth bevel gear.
4. A self-testing placement balanced motion interlocking lift platform as claimed in claim 1 wherein: a fifth transmission cavity is arranged on the inner wall of the right side of the top block chute on the left side, the main shaft on the left side penetrates through the front inner wall and the rear inner wall of the fifth transmission cavity and is in running fit connection with the fifth transmission cavity, a first belt wheel is fixedly arranged on the part of the main shaft on the left side, which is positioned in the fifth transmission cavity, a displacement motor is fixedly arranged on the inner wall of the front side of the fifth transmission cavity, a second spline shaft which extends backwards and is in running fit connection with the inner wall of the rear side of the fifth transmission cavity is in power connection with the end surface of the rear side of the displacement motor, a second belt wheel is rotatably arranged on the second spline shaft, the second belt wheel is in running fit connection with the first belt wheel through a transmission belt, a second spline sleeve positioned on the front side of the second belt wheel is in spline fit connection with the second spline shaft, a third meshing tooth is fixedly arranged on the end surface of the rear side of the second spline sleeve, a fourth meshing tooth matched with the third meshing tooth is, a second annular shifting block is fixedly arranged on the annular end face of the second spline sleeve, a second shifting block sliding groove with a leftward opening is formed in the inner wall of the right side of the third clamping block, a second shifting block with a leftward opening is arranged in the second shifting block sliding groove in a sliding manner, the leftward opening of the second shifting block is connected with the second annular shifting block in a rotating fit manner through a bearing, a second electromagnetic spring fixedly connected with the inner wall of the rear side of the second shifting block sliding groove is fixedly arranged on the end face of the rear side of the second shifting block, the other end, away from the second clamping block, of the third pull rope is fixedly connected onto the end face of the front side of the second shifting block, a second bayonet with a rightward opening is arranged on the end face of the right side of the second shifting block sliding groove, a second clamping block sliding groove with a leftward opening is arranged on the inner wall of the right side of the second shifting block sliding groove, a fourth clamping block is arranged in the sliding groove, and a seventh reset spring fixedly connected with the inner top wall of the second, the end face of the bottom of the fourth clamping block is fixedly connected with the other end, far away from the first shifting block, of the second pull rope, and the end face of the left side of the fourth clamping block is provided with a third bayonet with a left opening matched with the second bayonet.
5. A self-testing placement balanced motion interlocking lift platform as claimed in claim 1 wherein: the lifting mechanism comprises fixed blocks which are arranged on the top end face of the mobile station in a bilateral symmetry manner, a lifting platform is fixedly arranged on the top end face of the fixed block, a pressing plate chute with a downward opening is arranged on the left bottom end face of the fixed block, a pressing plate is arranged in the pressing plate chute in a sliding manner, a third electromagnetic spring fixedly connected with the top wall in the pressing plate chute is fixedly arranged on the top end face of the pressing plate, the third electromagnetic spring is electrically connected with the first electrifying block through a circuit, a shaft sleeve chute with an upward opening is arranged on the top end face of the mobile station, threaded shaft sleeves with bilateral symmetry are arranged in the shaft sleeve chute in a sliding manner, a hinge rod is hinged between each threaded shaft sleeve and the fixed block, threaded rods which extend rightwards and have opposite left and right threads are rotatably connected on the left and right inner, the threaded rod stretches into fixed being equipped with on the external part right and can pass through the fourth drive gear of electro-magnet absorption on the threaded rod, fourth drive gear with third drive gear meshes mutually, be equipped with the ascending piece spout that receives of opening on the axle sleeve spout left side inner wall, it is equipped with the piece that receives to slide in the piece spout, the piece internal fixation that receives is equipped with the second electrification piece, receive fixed being equipped with on the piece bottom terminal surface with the sixth reset spring who receives bottom wall fixed connection in the piece spout, receive the fixed conducting strip that is equipped with longitudinal symmetry about the piece spout on the inner wall, the upside the conducting strip with electromagnetism iron in the fourth drive gear passes through the circuit electricity and connects, the downside the conducting strip with electromagnetism iron in the third drive gear passes through the circuit electricity and connects.
6. A self-testing placement balanced motion interlocking lift platform as claimed in claim 1 wherein: the elastic force of a single spring of the first return spring is greater than the sum of the elastic forces of five springs of the second return spring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010408286.2A CN111533053A (en) | 2020-05-14 | 2020-05-14 | Motion interlocking lifting platform capable of automatically detecting placement balance |
| GBGB2015077.7A GB202015077D0 (en) | 2020-05-14 | 2020-09-24 | Movement interlocking lifting platform capable of self-detecting placement and balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010408286.2A CN111533053A (en) | 2020-05-14 | 2020-05-14 | Motion interlocking lifting platform capable of automatically detecting placement balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111533053A true CN111533053A (en) | 2020-08-14 |
Family
ID=71972066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010408286.2A Withdrawn CN111533053A (en) | 2020-05-14 | 2020-05-14 | Motion interlocking lifting platform capable of automatically detecting placement balance |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111533053A (en) |
| GB (1) | GB202015077D0 (en) |
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| CN112147485A (en) * | 2020-09-15 | 2020-12-29 | 南京静春星电子商务有限公司 | Energy-conserving detection device of circuit board break-make of inside electronic product design of TV set |
| CN112932836A (en) * | 2021-01-27 | 2021-06-11 | 四川大学华西第二医院 | Sterilizing bed for obstetrics and gynecology department |
| CN113216000A (en) * | 2021-05-21 | 2021-08-06 | 重庆工程职业技术学院 | Auxiliary assembly is used in bridge construction |
| CN115432640A (en) * | 2022-09-27 | 2022-12-06 | 江苏东创建设工程有限公司 | Municipal administration tube-well construction auxiliary device |
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| EP3112555A1 (en) * | 2015-06-29 | 2017-01-04 | Politechnika Slaska | A device for moving across vertical construction objects, particularly cooling towers and dams |
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- 2020-05-14 CN CN202010408286.2A patent/CN111533053A/en not_active Withdrawn
- 2020-09-24 GB GBGB2015077.7A patent/GB202015077D0/en not_active Ceased
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| EP3112555A1 (en) * | 2015-06-29 | 2017-01-04 | Politechnika Slaska | A device for moving across vertical construction objects, particularly cooling towers and dams |
| JP2019018942A (en) * | 2017-07-12 | 2019-02-07 | 日本ビソー株式会社 | Working gondola device and working vehicle including the same |
| CN208873213U (en) * | 2018-08-02 | 2019-05-17 | 天津雷云峰科技有限公司 | A kind of vending machine lift and antitheft goods taking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112147485A (en) * | 2020-09-15 | 2020-12-29 | 南京静春星电子商务有限公司 | Energy-conserving detection device of circuit board break-make of inside electronic product design of TV set |
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| CN113216000B (en) * | 2021-05-21 | 2023-03-28 | 重庆工程职业技术学院 | Auxiliary assembly is used in bridge construction |
| CN115432640A (en) * | 2022-09-27 | 2022-12-06 | 江苏东创建设工程有限公司 | Municipal administration tube-well construction auxiliary device |
| CN115432640B (en) * | 2022-09-27 | 2023-09-08 | 江苏东创建设工程有限公司 | Municipal administration tube well construction auxiliary device |
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| Publication number | Publication date |
|---|---|
| GB202015077D0 (en) | 2020-11-11 |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200814 |
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