CN112171253B - A nut is tight machinery in advance for engineering construction - Google Patents
A nut is tight machinery in advance for engineering construction Download PDFInfo
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- CN112171253B CN112171253B CN202011019088.3A CN202011019088A CN112171253B CN 112171253 B CN112171253 B CN 112171253B CN 202011019088 A CN202011019088 A CN 202011019088A CN 112171253 B CN112171253 B CN 112171253B
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- roller
- rotating
- rotating roller
- roller set
- nut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention relates to the field of equipment application of engineering construction, in particular to a nut pre-tightening machine for engineering construction, which comprises a base frame, a driving roller set, a driven roller set, a tensioning device, a supporting device, a transmission belt and a shell, wherein the base frame is provided with a plurality of rollers; the driving roller set and the driven roller set are symmetrically arranged on the bottom frame, the tensioning device is arranged on the bottom frame and is positioned between the driving roller set and the driven roller set, the supporting device is arranged on the bottom frame on one side of the tensioning device, the driving belt sequentially penetrates through the driving roller set, the driven roller set and the tensioning device, and the shell is connected to the bottom frame; according to the invention, the nut is extruded on the belt of the supporting device by using the transmission belt, and the transmission belt continuously moves to drive the nut to rotate downwards, so that the nut can be automatically and quickly screwed.
Description
Technical Field
The invention relates to the field of equipment application of engineering construction, in particular to a nut pre-tightening machine for engineering construction.
Background
The nut can be used for assembling in engineering construction unavoidably, for example, the wind driven generator base is fixedly installed, large-scale hoisting mechanical equipment is adopted for assembling in construction, high-strength bolts are embedded in the base for installing the tower, a crane slowly moves after hoisting the tower to gradually align the bolt holes in the flange at the bottom of the tower to the bolts, then the tower falls down, the bolts penetrate through the bolt holes and need to be screwed on bolt columns, the bolts are close to the wall of the tower, the nuts are difficult to screw by rotating a traditional tool for one circle, electric tools such as wind guns cannot be coaxially aligned with the bolts due to insufficient space, the size of the nuts of the tower is large compared with that of general nuts, a special nut screwing tool is not provided, the existing processing mode is that a worker pastes the nuts with a belt, the worker pulls the belt back and forth with two hands to drive the nuts to move downwards, and then each bolt is fastened to a set torque value by a torque wrench. The working mode that the belt is used by the operator to rotate the nut not only has low working efficiency and large workload, but also increases the labor intensity of the operator.
Disclosure of Invention
The nut is attached to a belt of a supporting device, then the nut is extruded by a transmission belt, the nut is rotated downwards by the movement of the transmission belt after equipment is started, and meanwhile the equipment moves downwards, so that the nut can be automatically and quickly screwed on a bolt.
The technical scheme adopted by the invention for solving the technical problems is as follows: a nut pre-tightening machine for engineering construction comprises an underframe, a driving roller set, a driven roller set, a tensioning device, a supporting device, a transmission belt and a shell.
The driving roller set and the driven roller set are symmetrically arranged on two sides of the bottom frame, the driving roller set and the driven roller set respectively comprise a first rotating roller and a second rotating roller, the roller surface of the first rotating roller and the roller surface of the second rotating roller are mutually attached, the upper part of the first rotating roller is cylindrical, the lower part of the first rotating roller protrudes outwards, the upper part of the second rotating roller is cylindrical, the lower part of the second rotating roller is inwards sunken, the protruding part of the lower part of the first rotating roller and the recessed part of the lower part of the second rotating roller can be mutually attached, and the first rotating roller in the driving roller set is connected with a motor; the tensioning device is arranged on the bottom frame and is positioned between the driving roller set and the driven roller set, the tensioning device comprises a sliding rail, a sliding frame, an electric push rod and a rotating roller, the sliding rail is fixed on the bottom frame, and sliding chutes are formed in two sides of the sliding rail; the sliding frame is arranged in a sliding groove of the sliding rail; the electric push rod is arranged inside the slide rail, one end of the electric push rod is fixed on the slide rail, and the other end of the electric push rod is fixed on the slide frame; the rotary roller is arranged in the sliding frame and is rotationally connected with the sliding frame, the upper part of the rotary roller is cylindrical, and the lower part of the rotary roller is inwards recessed; the supporting device is arranged on the bottom frame, is positioned between the driving roller set and the driven roller set and is not positioned on the same side with the tensioning device, and comprises three rotating columns and a belt, wherein the three rotating columns are distributed in a triangular manner, and two rotating columns positioned on the outermost side are positioned on the same plane; the belt is wound on the surfaces of the three rotating columns, and the belt is tensioned by the rotating columns; the driving belt sequentially passes through the space between the first rotating roller and the second rotating roller of the driving roller set, the space between the first rotating roller and the second rotating roller of the driven roller set and the outer side surface of the rotating roller in the tensioning device, and the driving belt is arranged on the outer side of the supporting device; the shell is arranged on the bottom frame, an opening is formed in one side face of the shell, three buttons are arranged on the upper portion of the shell, the first button controls the electric push rod to contract, the second button controls the electric push rod to extend, and the third button controls the motor in the driving roller set to start.
As a preferable technical scheme of the invention, the tensioning device and the supporting device are both positioned on the central line of the underframe.
As a preferred technical scheme of the invention, the two outermost rotating columns in the supporting device are flush with the outer surface of the shell.
In a preferred embodiment of the present invention, the transmission belt is made of rubber.
In a preferred embodiment of the present invention, the inner surface of the belt is provided with a plurality of metal pieces for adhering to the plane of the nut and maintaining the shape of the belt.
The invention relates to a nut pre-tightening machine for engineering construction, which comprises the following use processes:
step S1: pressing a first button on the shell, enabling an electric push rod in the tensioning device to contract inwards, enabling the transmission belt to start to loosen, enabling a worker to tear a part of the transmission belt out of an opening at one side of the shell by hands, loosening the first button, enabling the device to be close to a nut to be screwed tightly, enabling one side of the nut to be attached to a belt of the supporting device, enabling the other side of the nut to be attached to the torn transmission belt, and enabling the nut to be clamped by the transmission belt and the belt at the moment;
step S2: pressing a second button on the shell, continuously extending an electric push rod in the tensioning device outwards, pushing the transmission belt to move outwards by the rotating roller, enabling the transmission belt to tightly press the nut on the belt of the supporting device, tensioning the transmission belt, and loosening the second button;
and step S3: the third button on the shell is pressed, the motor of the driving roller group is started to drive the first rotating roller to rotate, the transmission belt starts to move under the driving of the first rotating roller and the second rotating roller, the transmission belt is arranged on the driving roller group, the nut, the driven roller group and the rotating roller continuously move, the nut extruded on the belt rotates downwards along the bolt under the friction of the transmission belt, meanwhile, the nut provides downward movement force for the transmission belt, the protruding part of the first rotating roller in the driving roller group and the driven roller group and the recessed part of the second rotating roller jointly clamp the transmission belt to prevent the transmission belt from being separated, therefore, the driving roller group and the driven roller group are driven to move downwards when the transmission belt moves downwards, the bottom frame is moved to enable the equipment to move downwards when the nut is screwed, and the third button is loosened after the nut is continuously screwed.
The beneficial effects of the invention are:
(1) According to the invention, the nut is tightly pressed on the belt of the supporting device by using the transmission belt, the nut is driven to rotate on the bolt column by the friction force of the transmission belt, the nut rotates downwards and drives the equipment to move downwards, and the automatic pre-tightening process of the nut can be achieved without the need of forcing the equipment to move downwards by a worker.
(2) The nut is continuously rotated by the transmission of the transmission belt, so that the nut pre-tightening device can be applied to scenes that the distances from various nuts to a cylinder wall, a wall and a partition plate are short, and can also be applied to the pre-tightening process of nuts with different sizes, and meanwhile, the device is small in size, convenient to carry and easy to operate.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 isbase:Sub>A schematic diagram of the structure of A-A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of B-B in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the external structure of the present invention;
in the figure: the device comprises a bottom frame-1, a driving roller group-2, a first rotating roller-21, a second rotating roller-22, a driven roller group-3, a tensioning device-4, a sliding rail-41, a sliding frame-42, an electric push rod-43, a rotating roller-44, a supporting device-5, a rotating column-51, a belt-52, a transmission belt-6 and a shell-7.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 4, the nut pre-tightening machine for engineering construction comprises a base frame 1, a driving roller group 2, a driven roller group 3, a tensioning device 4, a supporting device 5, a transmission belt 6 and a shell 7.
As shown in fig. 2 and 3, the driving roller set 2 and the driven roller set 3 are symmetrically arranged on two sides of the chassis 1, the driving roller set 2 and the driven roller set 3 respectively comprise a first rotating roller 21 and a second rotating roller 22, the roller surface of the first rotating roller 21 and the roller surface of the second rotating roller 22 are attached to each other, the upper portion of the first rotating roller 21 is cylindrical, the lower portion of the first rotating roller 21 protrudes outwards, the upper portion of the second rotating roller 22 is cylindrical, the lower portion of the second rotating roller 22 is recessed inwards, the protruding portion of the lower portion of the first rotating roller 21 and the recessed portion of the lower portion of the second rotating roller 22 can be attached to each other, and the first rotating roller 21 in the driving roller set 2 is connected with a motor.
The tensioning device 4 is arranged on the bottom frame 1, the tensioning device 4 is positioned between the driving roller group 2 and the driven roller group 3, the tensioning device 4 comprises a slide rail 41, a slide frame 42, an electric push rod 43 and a rotating roller 44, the slide rail 41 is fixed on the bottom frame 1, and sliding grooves are formed in two sides of the slide rail 41; the sliding frame 42 is arranged in a sliding groove of the sliding rail 41; the electric push rod 43 is arranged inside the slide rail 41, one end of the electric push rod 43 is fixed on the slide rail 41, and the other end is fixed on the slide frame 42; the rotating roller 44 is arranged in the sliding frame 42, the rotating roller 44 is rotatably connected with the sliding frame 42, the upper part of the rotating roller 44 is cylindrical, and the lower part of the rotating roller 44 is inwards recessed; the supporting device 5 is arranged on the base frame 1, the supporting device 5 is positioned between the driving roller group 2 and the driven roller group 3, the supporting device 5 and the tensioning device 4 are not on the same side, the tensioning device 4 and the supporting device 5 are both positioned on the central line of the base frame 1, the supporting device 5 comprises three rotating columns 51 and a belt 52, the three rotating columns 51 are distributed in a triangular shape, and two rotating columns 51 positioned on the outermost side are flush with the outer surface of the shell 7; the belt 52 is wound on the surfaces of the three rotating columns 51, and the belt 52 is tensioned by the rotating columns 51; the transmission belt 6 sequentially penetrates through the space between the first rotary roller 21 and the second rotary roller 22 of the driving roller group 2, the space between the first rotary roller 21 and the second rotary roller 22 of the driven roller group 3 and the outer side surface of the rotary roller 44 in the tensioning device 4, the transmission belt 6 is arranged on the outer side of the supporting device 5, the transmission belt 6 is made of rubber materials, and a plurality of metal sheets are arranged on the inner surface of the transmission belt 6; the shell 7 is arranged on the underframe 1, an opening is formed in one side face of the shell 7, three buttons are arranged on the upper portion of the shell 7, and the three buttons are used for controlling the contraction and the extension of the electric push rod and controlling the starting of a motor in the driving roller set respectively.
The invention relates to a nut pre-tightening machine for engineering construction, which comprises the following using processes:
step S1: pressing the first button on the casing 7, the electric push rod 43 in the tensioning device 4 retracts inwards, the transmission belt 6 starts to loosen, the worker manually pulls the transmission belt 6 out of a part from the opening on one side of the casing 7, the first button is released, the equipment is close to the nut to be tightened, one side of the nut is attached to the belt 52 of the supporting device 5, the other side of the nut is attached to the pulled transmission belt 6, and the nut is clamped by the transmission belt 6 and the belt 52;
step S2: pressing a second button on the shell 7, continuously extending an electric push rod 43 in the tensioning device 4 outwards, pushing the driving belt 6 to move outwards by the rotating roller 44, enabling the driving belt 6 to press the nut on a belt 52 of the supporting device 5, tensioning the driving belt 6, and then loosening the second button;
and step S3: pressing a third button on the shell 7, starting a motor of the driving roller group 2 to drive the first rotating roller 21 to rotate, driving the driving belt 6 to start moving under the driving of the first rotating roller 21 and the second rotating roller 22, enabling the driving belt 6 to continuously move on the driving roller group 2, the nut, the driven roller group 3 and the rotating roller 44, enabling the nut extruded on the belt 52 to downwards rotate along the bolt under the friction of the driving belt 6, enabling the nut to provide downward movement force for the driving belt 6, enabling the protruding parts of the first rotating roller 21 and the recessed parts of the second rotating roller 22 in the driving roller group 2 and the driven roller group 3 to jointly clamp the driving belt 6 to prevent the driving belt 6 from being separated, driving the driving roller group 2 and the driven roller group 3 to downwards move when the driving belt 6 downwards, further enabling the chassis 1 to move to downwards enable the equipment to downwards move simultaneously when the nut is screwed, and loosening the third button after the nut is screwed.
It should be understood that the above is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent flow transformations made by the present specification and drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The utility model provides a nut is tight machinery in advance for engineering construction, includes chassis (1), drive roller set (2), driven roller set (3), overspeed device tensioner (4), strutting arrangement (5), drive belt (6) and shell (7), its characterized in that:
the driving roller set (2) and the driven roller set (3) are symmetrically arranged on two sides of the underframe (1), the driving roller set (2) and the driven roller set (3) respectively comprise a first rotating roller (21) and a second rotating roller (22), the roller surface of the first rotating roller (21) and the roller surface of the second rotating roller (22) are mutually attached, the upper portion of the first rotating roller (21) is cylindrical, the lower portion of the first rotating roller (21) protrudes outwards, the upper portion of the second rotating roller (22) is cylindrical, the lower portion of the second rotating roller (22) is inwards recessed, the protruding portion of the lower portion of the first rotating roller (21) and the recessed portion of the lower portion of the second rotating roller (22) can be mutually attached, and the first rotating roller (21) in the driving roller set (2) is connected with a motor; the tensioning device (4) is arranged on the bottom frame (1), the tensioning device (4) is positioned between the driving roller set (2) and the driven roller set (3), the tensioning device (4) comprises a sliding rail (41), a sliding frame (42), an electric push rod (43) and a rotating roller (44), the sliding rail (41) is fixed on the bottom frame (1), and sliding grooves are formed in two sides of the sliding rail (41); the sliding frame (42) is arranged in a sliding groove of the sliding rail (41); the electric push rod (43) is arranged inside the sliding rail (41), one end of the electric push rod (43) is fixed on the sliding rail (41), and the other end of the electric push rod (43) is fixed on the sliding frame (42); the rotary roller (44) is arranged in the sliding frame (42), the rotary roller (44) is rotatably connected with the sliding frame (42), the upper part of the rotary roller (44) is cylindrical, and the lower part of the rotary roller (44) is inwards recessed; the supporting device (5) is arranged on the chassis (1), the supporting device (5) is positioned between the driving roller set (2) and the driven roller set (3), the supporting device (5) and the tensioning device (4) are not on the same side, the supporting device (5) comprises three rotating columns (51) and a belt (52), the three rotating columns (51) are distributed in a triangular mode, and the two rotating columns (51) positioned on the outermost side are on the same plane; the belt (52) is wound on the surfaces of the three rotating columns (51), and the belt (52) is tensioned by the rotating columns (51); the transmission belt (6) sequentially passes through the space between the first rotating roller (21) and the second rotating roller (22) of the driving roller set (2), the space between the first rotating roller (21) and the second rotating roller (22) of the driven roller set (3) and the outer side surface of the rotating roller (44) in the tensioning device (4), and the transmission belt (6) is arranged on the outer side of the supporting device (5); the shell (7) is arranged on the bottom frame (1), an opening is formed in one side face of the shell (7), and three buttons are arranged on the upper portion of the shell (7).
2. The nut pre-tightening machine for engineering construction according to claim 1, characterized in that: the tensioning device (4) and the supporting device (5) are both positioned on the central line of the bottom frame (1).
3. The nut pre-tightening machine for engineering construction according to claim 1, characterized in that: the two outermost rotating columns (51) in the supporting device (5) are flush with the outer surface of the shell (7).
4. The nut pre-tightening machine for engineering construction according to claim 1, characterized in that: the transmission belt (6) is made of rubber.
5. The nut pre-tightening machine for engineering construction according to claim 1, characterized in that: the inner surface of the transmission belt (6) is provided with a plurality of metal sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011019088.3A CN112171253B (en) | 2020-09-23 | 2020-09-23 | A nut is tight machinery in advance for engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011019088.3A CN112171253B (en) | 2020-09-23 | 2020-09-23 | A nut is tight machinery in advance for engineering construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112171253A CN112171253A (en) | 2021-01-05 |
| CN112171253B true CN112171253B (en) | 2022-11-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011019088.3A Active CN112171253B (en) | 2020-09-23 | 2020-09-23 | A nut is tight machinery in advance for engineering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112171253B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8411819D0 (en) * | 1984-05-09 | 1984-06-13 | Dearing S D | Tool |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11188653A (en) * | 1997-12-25 | 1999-07-13 | Shibaura Mechatronics Corp | Pipe thread fastener |
| JP3743908B2 (en) * | 2002-05-31 | 2006-02-08 | 株式会社ブレスト工業研究所 | Intermediate insertion nut driver |
| CN108544417B (en) * | 2018-07-13 | 2021-07-09 | 卢园园 | Nut rotating device |
| CN209273367U (en) * | 2018-10-31 | 2019-08-20 | 中国第一汽车股份有限公司 | A kind of novel bolt disassembly tool |
| CN109304687B (en) * | 2018-11-16 | 2020-09-01 | 山东工业职业学院 | Nut rotating device |
| CN110202514B (en) * | 2019-06-05 | 2021-04-23 | 安徽启源建筑工程有限公司 | Be suitable for quick extracting tool of nut under booth apart from construction space |
| CN209970587U (en) * | 2019-06-10 | 2020-01-21 | 中国船舶重工集团海装风电股份有限公司 | Belt type wrench for tower bolt of wind generating set |
-
2020
- 2020-09-23 CN CN202011019088.3A patent/CN112171253B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8411819D0 (en) * | 1984-05-09 | 1984-06-13 | Dearing S D | Tool |
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| CN112171253A (en) | 2021-01-05 |
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Effective date of registration: 20221107 Address after: 239,000 The third floor of Shiba Village Cultural Activity Center, Shiba Town, Mingguang City, Chuzhou City, Anhui Province Applicant after: Anhui Changzhifeng Construction Engineering Co.,Ltd. Address before: 310051 riverside Yunlu community, binwen Road, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: Wang Zhen |
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