CN108532965B - Portable intelligent building construction bearing platform - Google Patents

Portable intelligent building construction bearing platform Download PDF

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Publication number
CN108532965B
CN108532965B CN201810329501.2A CN201810329501A CN108532965B CN 108532965 B CN108532965 B CN 108532965B CN 201810329501 A CN201810329501 A CN 201810329501A CN 108532965 B CN108532965 B CN 108532965B
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China
Prior art keywords
fixedly connected
base
rod
building construction
bearing platform
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CN108532965A (en
Inventor
谢晓杰
秦鹏飞
王申
王水成
郭玮
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Zhengzhou University of Industrial Technology
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Zhengzhou University of Industrial Technology
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Publication of CN108532965A publication Critical patent/CN108532965A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/166Landings, receiving platforms

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention discloses a movable intelligent building construction bearing platform, which comprises a supporting device, a bottom plate, a sliding rod, a top plate and the like, wherein a lifting motor and a horizontal balancing instrument are arranged on the bottom plate, a placing area and a moving plate are arranged on the top plate, the supporting device is arranged on the bottom side of the bottom plate and comprises a base, a hydraulic lifting rod, a fine adjustment motor and a translation motor are arranged on the base, and universal wheels are arranged on the bottom of the base.

Description

Portable intelligent building construction bearing platform
Technical Field
The invention relates to the field of construction tools, in particular to a movable intelligent building construction bearing platform.
Background
The building is a building which is built by people by utilizing materials such as soil, wood, stone and the like and meets the requirements of people, various building materials and equipment need to be conveyed or placed to corresponding positions for construction in the construction process, and a building platform is usually erected under the condition for conveying construction materials. However, present building platform all is fixed platform generally, after the construction, need make a round trip to carry platform and construction material to indoor, intensity of labour is big, waste time and energy, and current platform intelligent degree is low moreover, can not adjust after the installation, influence the efficiency of construction, need put the platform flat when carrying out bearing construction operation usually, nevertheless building environment is complicated, construction worker often need consume a large amount of time just can place the level with the building support, if sometimes place not horizontally, can cause the unbalanced danger that takes place to topple over of atress, bring life harm for construction worker.
Disclosure of Invention
In order to solve the traditional technical problem and enhance the safety and the convenience in use, the invention adopts the following technical scheme: a movable intelligent building construction bearing platform comprises a supporting device, a bottom plate, sliding rods, a top plate and the like, wherein two lifting motors are symmetrically arranged at two ends of the middle part of the upper side of the bottom plate, the lifting motors are respectively and electrically connected with a power supply and a control mechanism, a rotating shaft at the top end of each lifting motor is fixedly connected with the bottom end of a first lead screw, a screw thread is arranged on the first lead screw and is in threaded connection with a bolt, two symmetrical side surfaces of the bolt are respectively and fixedly connected with one ends of two cross rods, the other end of each cross rod is fixedly connected with one end of a vertical rod, the other end of each vertical rod is fixedly connected with the bottom side surface of the top plate, a placing area is arranged at the left side of the upper side of the top plate, a movable guide rail is arranged at the right side of the top plate, a movable switch is, the sliding rod is provided with a safety block at a position corresponding to the upper side surface of the lifting motor, the lower side surface of the top plate is provided with a horizontal balancing instrument, the horizontal balancing instrument comprises a shell, the top end of the inner side of the shell is provided with an arc-shaped electric brush, the inner side of the arc-shaped electric brush is in contact connection with a conductive ball, the lower part of the conductive ball is fixedly connected with one end of a conductive rod, the other end of the conductive rod is fixedly connected with a conductive disc, the shell is fixedly connected with an electric plate at the side surface of;
four vertex angles at the bottom side of the bottom plate are respectively fixedly connected with a support plate of a supporting device, the supporting device comprises a base, the upper side of the base is fixedly connected with the bottom end of a hydraulic lifting rod, fine adjustment motors are arranged at two sides of the base, the top end of the hydraulic lifting rod is fixedly connected with the support plate, the rear side surface of the hydraulic lifting rod is fixedly connected with a first cushion block, the first cushion block is rotatably connected with one end of a second lead screw, the other end of the second lead screw is fixedly connected with a rotating shaft of the fine adjustment motor, the fine adjustment motor is in signal connection with a control mechanism, the front side surface of the hydraulic lifting rod is fixedly connected with a translation motor, the translation motor is in signal connection with the control mechanism, the front side of the translation motor is fixedly connected with one side of a second cushion block, the other side of the second cushion block is rotatably connected with one end of a third, the lower side surface of the guide block is provided with a second guide wheel, the second guide wheel is connected with a guide rail on the base in a matching manner, the upper side surface of the guide block is fixedly connected with a first rotating block, the first rotating block is hinged with one end of a supporting rod, the other ends of the two supporting rods are hinged with second rotating blocks fixed on the front side surface and the rear side surface of the support plate, and the bottom of the base is provided with universal wheels.
Preferably, the method comprises the following steps: the bottom plate is made of steel materials subjected to rust-proof and corrosion-proof treatment.
Preferably, the method comprises the following steps: the support means comprise two first support means on the left side and two second support means on the right side of the soleplate, the base of the first supporting device is rotationally connected with a group of driving moving wheel sets in the transverse central axis position, the front side and the rear side of each driving moving wheel set are uniformly rotationally connected with three groups of driven moving wheel sets, each group of driving moving wheel sets comprises two driving moving wheels, each group of driving moving wheel sets is respectively and fixedly connected with the two ends of the rotating shaft, the rotating shaft is rotatably connected with a fixed block arranged below the base through a rolling bearing, the side surface of the rotating shaft is fixedly connected with a driven driving wheel, the driven transmission wheel penetrates through a through hole in the base through a transmission belt and is in transmission connection with the driving transmission wheel, the driving transmission wheel is fixedly connected with an output shaft of a speed reducer fixed on the upper side surface of the base, and an input shaft of the speed reducer is fixedly connected with a rotating shaft of the translation motor through a coupler;
the second supporting device is structurally different from the first supporting device in that: the front side and the rear side of the hydraulic lifting rod are fixedly connected with the first cushion blocks, the first cushion blocks on the front side and the rear side are rotatably connected with the top end of the second screw rod, the base of the second supporting device is not provided with a through hole structure compared with the base of the first supporting device, and the front position, the middle position and the rear position of the bottom side of the base are fixedly connected with the universal wheel.
Preferably, the method comprises the following steps: the side surface of the sliding rod is coated with a lubricant.
Preferably, the method comprises the following steps: the top plate is of a hard aluminum alloy structure.
Preferably, the method comprises the following steps: and the horizontal balancing instrument carries out waterproof treatment.
Preferably, the method comprises the following steps: and the second guide wheel is made of an anti-oxidation rubber material.
Preferably, the method comprises the following steps: the driving moving wheel and the driven moving wheel are made of resin fiber materials.
Preferably, the method comprises the following steps: the universal wheel is made of resin fiber materials.
Preferably, the method comprises the following steps: the shell is made of insulating materials, and the inside of the shell is completely sealed.
Compared with the prior art, the invention has the beneficial effects that:
the supporting device has a fine adjustment function, and can be adjusted according to actual conditions to ensure that the main body of the invention is placed horizontally, so that the safety is improved, and the convenience is also improved;
2, the device can move automatically, so that the labor is saved;
the top plate can be lifted, and the height can be adjusted according to requirements in the construction process;
and 4, compared with the traditional device, the contact area of the supporting device and the ground is larger, and the bearing effect is better.
Drawings
FIG. 1 is an overall structural view of the present invention;
FIG. 2 is a view showing the construction of a first supporting means of the present invention;
FIG. 3 is a view showing the construction of a second supporting apparatus of the present invention;
FIG. 4 is a structural diagram of the connection between the driving moving wheel and the translation motor according to the present invention;
FIG. 5 is a view of the horizontal balancer of the present invention;
FIG. 6 is an enlarged view of a portion of the invention A;
FIG. 7 is a top plate construction of the present invention;
fig. 8 is a flow chart of the present invention.
Reference numerals in the figures
1 supporting device, 2 bottom plates, 3 sliding rods, 4 safety blocks, 5 lifting motors, 6 first lead screws, 7 bolts, 8 cross rods, 9 sliding rings, 901 first guide wheels, 10 vertical rods, 11 top plates, 111 placing areas, 112 moving plates, 113 moving switches, 114 moving guide rails, 12 sliding holes, 13 horizontal balancers, 131 shells, 132 conductive rods, 133 electric plates, 134 conductive balls, 135 arc-shaped brushes, 136 conductive discs, 14 bases, 141 through holes, 15 hydraulic lifting rods, 16 fine tuning motors, 17 second lead screws, 18 guide blocks, 181 second guide wheels, 19 first rotating blocks, 20 second rotating blocks, 21 carrier plates, 22 translation motors, 221 translation motor rotating shafts, 23 first cushion blocks, 24 driving moving wheels, 25 second cushion blocks, 26 driven moving wheels, 27 third lead screws, 28 supporting rods, 29 guide rails, 30 universal wheels, 31 couplings, 32 reducers, 321 input shafts, 322 output shafts, 33 driving transmission wheels, 34 a transmission belt, 35 a driven transmission wheel, 36 a rotating shaft, 37 a fixed block and 38 a rolling bearing.
Detailed Description
As shown in figures 1-8, a mobile intelligent building construction bearing platform comprises a supporting device 1, a bottom plate 2, a sliding rod 3 and a top plate 11 made of hard aluminum alloy, wherein the bottom plate 2 is made of anti-corrosion stainless steel and is fixedly connected with the bottom ends of two lifting motors 5 at the left and right symmetrical positions on a transverse central axis of the upper side respectively, the lifting motors 5 are electrically connected with a power supply, the lifting motors 5 are in signal connection with a control mechanism, a rotating shaft of each lifting motor 5 is fixedly connected with the bottom end of a first lead screw 6, the first lead screw 6 is in thread fit connection with a bolt 7 through a side thread, two symmetrical side faces of the bolt 7 are fixedly connected with one end of a cross rod 8, the other end of the cross rod 8 is fixedly connected with a sliding ring 9, the side face of the cross rod 8 close to one end of the sliding ring 9 is fixedly connected with one end of, the left half side of the upper side of the top plate 11 is a placing area 111, the right side of the top plate 11 is provided with a moving guide rail 114, a moving plate 112 is in transmission connection with the moving guide rail 114, two moving switches 113 are arranged on the moving plate 112, a sliding ring 9 and a sliding hole 12 are in sliding connection with a sliding rod 3 through a first guide wheel 901, the side face of the sliding rod 3 is coated with a lubricant, a safety block 4 is arranged at the corresponding position of the upper side face of the sliding rod 3 and a lifting motor 5, the sliding rod 3 at one end where the safety block 4 is located is fixedly connected with four vertex angles of the upper side face of the bottom plate 2, the lower side face of the top plate 11 and one of the vertical rod 10 fixing positions are fixedly connected with a horizontal balancing instrument 13, the horizontal balancing instrument 13 is electrically connected with a power;
the supporting device 1 comprises two first supporting devices positioned on the left side of a bottom plate 2 and two second supporting devices positioned on the right side of the bottom plate 2, the first supporting devices comprise a base 14, the base 14 is of a cuboid structure with a concave groove on the upper side, the center of the upper side of the base 14 is fixedly connected with the bottom end of a hydraulic lifting rod 15, the top end of the hydraulic lifting rod 15 is fixedly connected with the bottom side of a cuboid structure support plate 21, the rear side of the hydraulic lifting rod 15 is fixedly connected with a first cushion block 23, the first cushion block 23 is rotatably connected with the top end of a second lead screw 17, the other end of the second lead screw 17 is fixedly connected with a rotating shaft of a fine adjustment motor 16, the fine adjustment motor 16 is electrically connected with a power supply, the fine adjustment motor 16 is in signal connection with a control mechanism, the front side of the hydraulic lifting rod 15 is fixedly connected with the rear side, the translation motor 22 is fixedly connected with a second cushion block 25, the second cushion block 25 is rotatably connected with the top end of a third lead screw 27, the other end of the third lead screw 27 is fixedly connected with a rotating shaft of the fine adjustment motor 16, the second lead screw 17 and the third lead screw 27 are both in threaded fit connection with a guide block 18, the side threads of the first lead screw 6, the second lead screw 17 and the third lead screw 27 are standard rectangular transmission threads, a second guide wheel 181 is arranged on the lower side surface of the guide block 18, the second guide wheel 181 is in fit connection with a guide rail 29 on the bottom side surface of a groove of the base 14, the upper side surface of the guide block 18 is fixedly connected with a first rotating block 19, the first rotating block 19 is hinged with one end of a support rod 28, and the other ends of two support rods 28 are hinged with second rotating blocks 20 fixed;
a group of driving moving wheels 24 are rotatably connected to the transverse central axis of the base 14, three groups of driven moving wheels 26 are uniformly and rotatably connected to the front side and the rear side of each driving moving wheel 24, each group of driving moving wheels 24 comprises two driving moving wheels 24, each group of two driving moving wheels 24 are respectively and fixedly connected to two ends of a rotating shaft 36, the rotating shaft 36 is rotatably connected to a fixed block 37 through a rolling bearing 38, the fixed block 37 is fixedly connected to the base 14, the side surface of the rotating shaft 36 is fixedly connected to a driven driving wheel 35, the driven driving wheel 35 is in transmission connection with a driving wheel 33 through a transmission belt 34 penetrating through a through hole 141 in the base 14, the driving wheel 33 is fixedly connected to an output shaft 322 of a speed reducer 32 fixed to the upper side surface of the base;
the second support device is structurally different from the first support device in that: the front side and the rear side of the hydraulic lifting rod 15 are fixedly connected with the first cushion blocks 23, the first cushion blocks on the front side and the rear side are rotatably connected with the top end of the second screw rod 17, the base 14 of the second supporting device is not provided with a through hole 141 structure compared with the base 14 of the first supporting device, and the front position, the middle position and the rear position of the bottom side of the base 14 are fixedly connected with the universal wheel 30.
Horizontal balance appearance 13 includes shell 131, shell 131 inboard top center part fixed connection arc brush 135, arc brush 135 is inboard to be connected with conductive ball 134 contact, conductive ball 134 and conductive rod 132 one end fixed connection, the conductive rod 132 other end and conductive disc 136 fixed connection, in conductive disc 136 side, shell 131 and electroplax 133 fixed connection, horizontal balance appearance 13 carries out water repellent, anti-oxidation rubber material is chooseed for use to second guide pulley 181, initiative movable wheel 24, driven movable wheel 26 all chooses for use the resin fiber material, resin fiber material is chooseed for use to universal wheel 30, insulating material is chooseed for use to shell 131, and with inside totally enclosed.
The working principle is as follows: when the lifting device is used, the translation motor 22 is started to a destination through the control mechanism, the horizontal balancing instrument 13 feeds information back to the control mechanism, the fine adjustment motors 16 on the four supporting devices 1 below the corresponding bottom plate 2 are started according to the information to adjust the height of the carrier plate 21 until the top plate 11 is in a horizontal position, the lifting motor 5 is controlled through the control mechanism to adjust the height of the top plate 11 until the proper height is reached according to use requirements, a worker places construction materials on the moving plate 112 on the top plate 11 in the placement area 111 to work, and in the working process, the moving plate 112 is controlled to move through collapsing two moving switches with feet.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore desired that the present embodiments be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, without any reference thereto being construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a portable intelligent building construction bearing platform which characterized in that: comprises a supporting device (1), a bottom plate (2), a sliding rod (3) and a top plate (11); the lifting mechanism is characterized in that two lifting motors (5) are symmetrically arranged at two ends of the middle of the upper side of the bottom plate (2), the lifting motors (5) are respectively electrically connected with a power supply and a control mechanism, a rotating shaft at the top end of each lifting motor (5) is fixedly connected with the bottom end of a first lead screw (6), a screw thread is arranged on each first lead screw (6) and is in threaded connection with a bolt (7), two symmetrical side faces of each bolt (7) are respectively fixedly connected with one end of two cross rods (8), the other end of each cross rod (8) is fixedly connected with a sliding ring (9), the upper side of each cross rod (8) is fixedly connected with one end of a vertical rod (10), the other end of each vertical rod (10) is fixedly connected with the bottom side face of the top plate (11), a placing area (111) is arranged on the left side of the upper side of the top plate (11), a moving guide rail (114) is arranged on the right side, sliding holes (12) are arranged on the two sides of the top plate (11) corresponding to the sliding ring (9), the slip ring (9) and the slip hole (12) are connected with a slide bar (3) arranged on the bottom plate (2) in a sliding way through a first guide wheel (901), a safety block (4) is arranged at the corresponding position of the upper side surface of the sliding rod (3) and the lifting motor (5), a horizontal balancing instrument (13) is arranged on the lower side surface of the top plate (11), the horizontal balancing instrument (13) comprises a shell (131), an arc-shaped electric brush (135) is arranged at the top end of the inner side of the shell (131), the inner side of the arc-shaped electric brush (135) is in contact connection with a conductive ball (134), the lower part of the conductive ball (134) is fixedly connected with one end of a conductive rod (132), the other end of the conductive rod (132) is fixedly connected with a conductive disc (136), on the side surface of the conductive disc (136), a shell (131) is fixedly connected with an electric plate (133), and the horizontal balancing instrument (13) is in signal connection with a control mechanism;
four vertex angles at the bottom side of the bottom plate (2) are respectively fixedly connected with a support plate (21) of the support device (1), the support device (1) comprises a base (14), the upper side of the base (14) is fixedly connected with the bottom end of a hydraulic lifting rod (15), fine tuning motors (16) are arranged at two sides of the base (14), the top end of the hydraulic lifting rod (15) is fixedly connected with the support plate (21), the rear side surface of the hydraulic lifting rod (15) is fixedly connected with a first cushion block (23), the first cushion block (23) is rotatably connected with one end of a second lead screw (17), the other end of the second lead screw (17) is fixedly connected with a rotating shaft of the fine tuning motor (16), the fine tuning motors (16) are in signal connection with a control mechanism, the front side surface of the hydraulic lifting rod (15) is fixedly connected with a translation motor (22), the translation motor (22) is in signal connection with the control mechanism, and the front side of the translation motor (22) is, the other side of the second cushion block (25) is rotatably connected with one end of a third lead screw (27), the other end of the third lead screw (27) is fixedly connected with a rotating shaft of a fine adjustment motor (16), guide blocks (18) are arranged on the second lead screw (17) and the third lead screw (27) and are in threaded fit connection with the guide blocks (18), a second guide wheel (181) is arranged on the lower side surface of each guide block (18), the second guide wheel (181) is in fit connection with a guide rail (29) on the base (14), the upper side surface of each guide block (18) is fixedly connected with a first rotating block (19), the first rotating blocks (19) are hinged to one ends of supporting rods (28), the other ends of the two supporting rods (28) are hinged to second rotating blocks (20) fixed to the front side surface and the rear side surface of the support plate (21), and universal wheels (30) are arranged at the bottom of the base;
the supporting device (1) comprises two first supporting devices positioned on the left side of the base plate (2) and two second supporting devices positioned on the right side of the base plate (2), a group of driving moving wheel sets are rotatably connected to the position of a transverse central axis of a base (14) of the first supporting device, three groups of driven moving wheel sets are uniformly rotatably connected to the front side and the rear side of each driving moving wheel set, each group of driving moving wheel sets comprises two driving moving wheels (24), each group of driving moving wheel sets is respectively and fixedly connected with the two ends of a rotating shaft (36), the rotating shaft (36) is rotatably connected with a fixing block (37) arranged below the base (14) through a rolling bearing (38), the side surface of the rotating shaft (36) is fixedly connected with a driven driving wheel (35), the driven driving wheel (35) penetrates through a through hole (141) in the base (14) through a driving belt (34) to be in transmission connection with the driving wheel (33), and an input shaft (321) of the speed reducer (32) is fixedly connected with a rotating shaft (221) of the translation motor through a coupling (31);
the second supporting device is structurally different from the first supporting device in that: the front side and the rear side of the hydraulic lifting rod (15) are fixedly connected with first cushion blocks (23), the first cushion blocks on the front side and the rear side are rotatably connected with the top end of a second screw rod (17), a base (14) of the second supporting device is not provided with a through hole (141) structure compared with the base (14) of the first supporting device, and the front position, the middle position and the rear position of the bottom side of the base (14) are fixedly connected with universal wheels (30).
2. The mobile intelligent building construction load-bearing platform of claim 1, wherein: the bottom plate (2) is made of steel materials subjected to rust-proof and corrosion-proof treatment.
3. The mobile intelligent building construction load-bearing platform of claim 1, wherein: the side surface of the sliding rod (3) is coated with a lubricant.
4. The mobile intelligent building construction load-bearing platform of claim 1, wherein: the top plate (11) is of a hard aluminum alloy structure.
5. The mobile intelligent building construction load-bearing platform of claim 1, wherein: and the horizontal balancing instrument (13) is subjected to waterproof treatment.
6. The mobile intelligent building construction load-bearing platform of claim 1, wherein: the second guide wheel (181) is made of an anti-oxidation rubber material.
7. The mobile intelligent building construction load-bearing platform of claim 1, wherein: the driving moving wheel (24) and the driven moving wheel (26) are made of resin fiber materials.
8. The mobile intelligent building construction load-bearing platform of claim 1, wherein: the universal wheel (30) is made of resin fiber materials.
9. The mobile intelligent building construction load-bearing platform of claim 1, wherein: the shell (131) is made of insulating materials and completely seals the inside.
CN201810329501.2A 2018-04-13 2018-04-13 Portable intelligent building construction bearing platform Active CN108532965B (en)

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Application Number Priority Date Filing Date Title
CN201810329501.2A CN108532965B (en) 2018-04-13 2018-04-13 Portable intelligent building construction bearing platform

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Application Number Priority Date Filing Date Title
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CN108532965B true CN108532965B (en) 2021-02-26

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112938714B (en) * 2021-02-03 2022-09-02 上海汉神机电股份有限公司 Novel hydraulic equipment for elevator

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Publication number Priority date Publication date Assignee Title
CN200947032Y (en) * 2005-12-28 2007-09-12 李淑珍 Angle sensor and horizontal display apparatus using the same
CN104878915A (en) * 2015-06-29 2015-09-02 河南易博联城规划建筑设计有限公司洛阳分公司 Self-traveling scaffold
CN105845013A (en) * 2016-05-05 2016-08-10 北京理工大学 Electric push rod driven elevating experiment platform
CN205590250U (en) * 2016-03-29 2016-09-21 赖汉清 Movable support for construction
CN106475997A (en) * 2016-11-25 2017-03-08 南陵县生产力促进中心有限公司 A kind of base has the mechanical arm of elevating function
CN107543526A (en) * 2016-06-23 2018-01-05 郝志斌 A kind of level meter
CN207061752U (en) * 2017-07-10 2018-03-02 周宇怀 A kind of crane of cardboard automatic charging machine
CN207072792U (en) * 2017-08-28 2018-03-06 魏振飞 A kind of road and bridge construction lowering or hoisting gear

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200947032Y (en) * 2005-12-28 2007-09-12 李淑珍 Angle sensor and horizontal display apparatus using the same
CN104878915A (en) * 2015-06-29 2015-09-02 河南易博联城规划建筑设计有限公司洛阳分公司 Self-traveling scaffold
CN205590250U (en) * 2016-03-29 2016-09-21 赖汉清 Movable support for construction
CN105845013A (en) * 2016-05-05 2016-08-10 北京理工大学 Electric push rod driven elevating experiment platform
CN107543526A (en) * 2016-06-23 2018-01-05 郝志斌 A kind of level meter
CN106475997A (en) * 2016-11-25 2017-03-08 南陵县生产力促进中心有限公司 A kind of base has the mechanical arm of elevating function
CN207061752U (en) * 2017-07-10 2018-03-02 周宇怀 A kind of crane of cardboard automatic charging machine
CN207072792U (en) * 2017-08-28 2018-03-06 魏振飞 A kind of road and bridge construction lowering or hoisting gear

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