CN114147487A - Device for polishing and welding coastal steel structure in sections and working method - Google Patents
Device for polishing and welding coastal steel structure in sections and working method Download PDFInfo
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- CN114147487A CN114147487A CN202111538146.8A CN202111538146A CN114147487A CN 114147487 A CN114147487 A CN 114147487A CN 202111538146 A CN202111538146 A CN 202111538146A CN 114147487 A CN114147487 A CN 114147487A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 74
- 239000010959 steel Substances 0.000 title claims abstract description 74
- 238000005498 polishing Methods 0.000 title claims abstract description 73
- 238000003466 welding Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 28
- 238000003825 pressing Methods 0.000 claims description 23
- 238000010276 construction Methods 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 20
- 239000003381 stabilizer Substances 0.000 claims description 10
- 230000011218 segmentation Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to the technical field of steel structure production, and discloses a device for segmented polishing and welding of a coastal steel structure, which comprises a support cover, wherein a cover opening at the upper end of the support cover is connected with a support plate, the support cover and the support plate are jointly connected with a segmented polishing mechanism, and segmented welding equipment is also installed at the upper end of the support plate; the segmented polishing mechanism comprises a polishing component, the polishing component is connected to the upper end of the supporting plate, a bidirectional threaded rod is connected to the supporting cover through the bearing which is symmetrically arranged in the supporting cover in a rotating mode, nuts are symmetrically and threadedly connected to the rod wall of the bidirectional threaded rod, and a transmission block is connected to the annular side wall of the upper end of each nut. The device for segmented polishing and welding of the coastal steel structure and the working method can solve the problems that at present, only one section of steel structure can be polished at each time, the efficiency is low, the conventional polishing machine is difficult to adjust and control, polishing is carried out completely by the experience of an operator, the horizontal stress is difficult to guarantee at the end part, and the polishing quality is good and uneven.
Description
Technical Field
The invention relates to the technical field of steel structure production, in particular to a device for polishing and welding a coastal steel structure in sections and a working method.
Background
The construction weight, the number and the volume of the large steel structure subsection on the coast are also sharply increased, the steel structure is required to be sectionally cut, and then the subsection grinding and welding are carried out, but when the steel structure is ground, only one section of the steel structure can be ground at each time, the efficiency is low, the conventional grinding machine is difficult to adjust and control, the grinding is carried out by the experience of an operator, the horizontal stress is difficult to ensure at the end part, and the grinding quality is poor. In addition, coastal areas are affected by ocean climate, and water vapor in air has certain corrosivity, so that a steel structure is easier to corrode.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a device for segmented polishing and welding of a coastal steel structure and a working method, which have the advantages of improving polishing efficiency and quality, and solve the problems that only one section of steel structure can be polished at each time at present, the efficiency is low, the conventional polisher is difficult to adjust and control, the polishing is carried out completely by the experience of an operator, the horizontal stress is difficult to ensure at the end part, and the polishing quality is poor.
(II) technical scheme
In order to achieve the purpose of improving the grinding efficiency and quality, the invention provides the following technical scheme: the device for polishing and welding the coastal steel structure in sections comprises a supporting cover, wherein a supporting plate is connected to the cover opening at the upper end of the supporting cover, a section polishing mechanism is jointly connected to the supporting cover and the supporting plate, and section welding equipment is further installed at the upper end of the supporting plate;
the segmented polishing mechanism comprises a polishing assembly, the polishing assembly is connected to the upper end of the supporting plate, a bidirectional threaded rod is connected to the supporting cover through bearings symmetrically arranged in the supporting cover in a rotating mode, nuts are symmetrically and threadedly connected to the rod wall of the bidirectional threaded rod, a transmission block is connected to the annular side wall of the upper end of each nut, a long transmission hole is formed in the position, corresponding to the transmission block, of the supporting plate, and one end, far away from the nuts, of the transmission block penetrates through the corresponding transmission hole and is fixedly connected with a clamp used for clamping a steel structure.
Preferably, the upper end of backup pad has about the subassembly symmetric connection that polishes to be down the pressure frame that "U" type, the interior top of pressure frame is connected with the spring down, the other end of spring is connected with the holding down plate, install stabilizing component on the holding down plate, the lower extreme of holding down plate is the even equidistance of matrix and installs a plurality of rolling assembly.
Preferably, the transmission hole is internally and fixedly connected with a limiting rod along the horizontal linear direction, the transmission block is provided with a limiting hole corresponding to the limiting rod, the limiting rod penetrates through the limiting hole, and the transmission block is connected to the rod wall of the limiting rod in a sliding manner.
Preferably, the polishing assembly comprises a support frame in an inverted U shape, the support frame is fixedly connected to the upper end of the support plate, the two fixtures are symmetrically arranged on the support frame, an electric push rod is fixedly connected to the inner top of the support frame, the output end of the electric push rod is connected with a support seat, the lower end of the support seat is connected with a double-shaft motor, and two output ends of the double-shaft motor are connected with a polishing disc through a coupling.
Preferably, the stabilizing assembly comprises a stabilizer bar, the stabilizer bar is fixedly connected to the center of the upper end of the lower pressing plate, a stabilizing hole is formed in the top of the lower pressing frame corresponding to the position of the stabilizer bar, one end of the stabilizer bar, which is far away from the lower pressing plate, penetrates through the stabilizing hole and extends outwards, and the spring is sleeved on the rod wall of the stabilizer bar.
Preferably, the rolling assembly comprises a ball, a rolling groove is formed in the lower end of the lower pressing plate, the ball is arranged in the rolling groove, and one end, far away from the bottom of the rolling groove, of the ball penetrates through a notch of the rolling groove.
Preferably, the stabilizer bar is connected with the stabilizing hole in a sliding mode, and a limiting block is fixedly connected to the upper end of the stabilizer bar.
Preferably, one end of the bidirectional threaded rod is fixedly connected with a rotating handle.
The working method of the ocean steel structure sectional grinding and welding device comprises the following steps:
s1: clamping two steel structures which are cut in sections by two clamps;
s2: starting an electric push rod, pushing the supporting seat to move downwards by the electric push rod so as to drive the double-shaft motor to synchronously move downwards, and then driving the two polishing discs to rotate by the double-shaft motor;
s3: then the bidirectional threaded rod is rotated clockwise, and the two nuts move oppositely on the bidirectional threaded rod along with the rotation of the bidirectional threaded rod;
s4: when the two nuts move in the opposite direction, the two clamps are driven by the two transmission blocks to synchronously move in the opposite direction, so that the two steel structure materials synchronously move towards the direction of the polishing disc, and the end parts of the steel structures are synchronously polished;
s5: and taking down the polished steel structure, and welding through sectional welding equipment.
(III) advantageous effects
Compared with the prior art, the invention provides a device for polishing and welding a coastal steel structure in sections and a working method, and the device has the following beneficial effects:
1. this segmentation welded device polishes in coastal steel construction segmentation, set up segmentation grinding machanism, the steel construction with two segmentation cutting is held through two anchor clamps, start the grinding component, clockwise rotation two-way threaded rod again for two steel construction material move to the grinding component direction in step, polish in step to the tip of steel construction, once only polish two steel constructions, when improving grinding efficiency, guarantee that two steel constructions remove the same distance to the grinding component, guarantee that the degree of polishing is the same, the quality of polishing has been improved.
2. This section welded device polishes in coastal steel construction section by section, before carrying out the centre gripping to the steel construction through anchor clamps, exert ascending pulling force to holding down the clamp plate, holding down the clamp plate upward movement and compress the spring, after the steel construction was held to anchor clamps, loosen the holding down plate, the spring of compressed promoted the roll subassembly of holding down plate lower extreme and pressed on the steel construction for the steel construction is polished more stably at the in-process of polishing.
3. According to the working method of the ocean steel structure segmented polishing and welding device, after the segmented cut steel structure is rapidly and high-quality polished by the segmented polishing mechanism, welding is carried out by the segmented welding device.
Drawings
FIG. 1 is a schematic structural diagram of a segmented polishing and welding device for a coastal steel structure and a working method thereof, which are provided by the invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged view of a portion C in fig. 1.
In the figure: 1. a support housing; 2. a support plate; 3. a segmented welding device; 4. a bearing; 5. a bidirectional threaded rod; 6. a nut; 7. a transmission block; 8. a drive bore; 9. a clamp; 10. pressing down the frame; 11. a spring; 12. a lower pressing plate; 13. a limiting rod; 14. a limiting hole; 15. a support frame; 16. an electric push rod; 17. a supporting seat; 18. a double-shaft motor; 19. grinding disc; 20. a stabilizer bar; 21. a stabilization well; 22. a ball bearing; 23. a rolling groove; 24. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by persons of ordinary skill in the art without any creative effort are within the protection scope of the present invention.
Example 1
Referring to fig. 1, the device for welding the coastal steel structure in a segmented polishing and welding mode comprises a supporting cover 1, a supporting plate 2 is connected to an upper end cover opening of the supporting cover 1, a segmented polishing mechanism is connected to the supporting cover 1 and the supporting plate 2 together, and segmented welding equipment 3 is further installed at the upper end of the supporting plate 2, so that the two steel structures can move the same distance to a polishing assembly, the polishing degree is guaranteed to be the same, and the polishing quality is improved.
Please refer to fig. 1-3, the segmented polishing mechanism includes a polishing component, the polishing component is connected to the upper end of the supporting plate 2, the polishing component includes a supporting frame 15 in an inverted U shape, the supporting frame 15 is fixedly connected to the upper end of the supporting plate 2, two clamps 9 are symmetrically arranged with respect to the supporting frame 15, an electric push rod 16 is fixedly connected to the inner top of the supporting frame 15, an output end of the electric push rod 16 is connected to a supporting seat 17, a lower end of the supporting seat 17 is connected to a double-shaft motor 18, two output ends of the double-shaft motor 18 are both connected to a polishing disc 19 through a coupling, the electric push rod 16 is started, the electric push rod 16 pushes the supporting seat 17 to move downwards, thereby driving the double-shaft motor 18 to move downwards synchronously, and then the double-shaft motor 18 drives the two polishing discs 19 to rotate.
The support cover 1 is internally and jointly and rotatably connected with a bidirectional threaded rod 5 through bearings 4 which are symmetrically arranged, one end of the bidirectional threaded rod 5 is fixedly connected with a rotating handle, nuts 6 are symmetrically and threadedly connected on the rod wall of the bidirectional threaded rod 5, the annular side wall at the upper end of each nut 6 is connected with a transmission block 7, a long-strip-shaped transmission hole 8 is formed in the support plate 2 corresponding to the transmission block 7, one end, far away from the nut 6, of each transmission block 7 penetrates through the corresponding transmission hole 8 and is fixedly connected with a clamp 9 for clamping a steel structure, a limiting rod 13 is fixedly connected in each transmission hole 8 along the horizontal linear direction, a limiting hole 14 is formed in the transmission block 7 corresponding to the limiting rod 13, the limiting rod 13 penetrates through the limiting hole 14, the transmission block 7 is slidably connected on the rod wall of the limiting rod 13, and the transmission block 7 and the nut 6 can only slide on the limiting rod 13 to limit the movement direction, preventing the nut 6 from rotating.
The working principle is as follows: the steel construction with two segmentation cutting is through two anchor clamps 9 centre gripping, start the subassembly of polishing, clockwise rotation two-way threaded rod 5 again, along with the rotation of two-way threaded rod 5, two nuts 6 are the motion in opposite directions on two-way threaded rod 5, two nuts 6 drive two anchor clamps 9 through two drive blocks 7 during the motion in opposite directions and are synchronous motion in opposite directions, make two steel construction materials move to the subassembly direction of polishing in step, polish in step to the tip of steel construction, once only polish two steel construction, when improving the efficiency of polishing, guarantee that two steel construction remove the same distance to the subassembly of polishing, guarantee to polish the degree the same, the quality of polishing has been improved.
Example 2
Referring to fig. 1, the device for welding the coastal steel structure in a segmented polishing and welding mode comprises a supporting cover 1, a supporting plate 2 is connected to an upper end cover opening of the supporting cover 1, a segmented polishing mechanism is connected to the supporting cover 1 and the supporting plate 2 together, and segmented welding equipment 3 is further installed at the upper end of the supporting plate 2, so that the two steel structures can move the same distance to a polishing assembly, the polishing degree is guaranteed to be the same, and the polishing quality is improved.
Please refer to fig. 1-3, the segmented polishing mechanism includes a polishing component, the polishing component is connected to the upper end of the supporting plate 2, the polishing component includes a supporting frame 15 in an inverted U shape, the supporting frame 15 is fixedly connected to the upper end of the supporting plate 2, two clamps 9 are symmetrically arranged with respect to the supporting frame 15, an electric push rod 16 is fixedly connected to the inner top of the supporting frame 15, an output end of the electric push rod 16 is connected to a supporting seat 17, a lower end of the supporting seat 17 is connected to a double-shaft motor 18, two output ends of the double-shaft motor 18 are both connected to a polishing disc 19 through a coupling, the electric push rod 16 is started, the electric push rod 16 pushes the supporting seat 17 to move downwards, thereby driving the double-shaft motor 18 to move downwards synchronously, and then the double-shaft motor 18 drives the two polishing discs 19 to rotate.
Referring to fig. 1 and 3-4, the upper end of the supporting plate 2 is symmetrically connected with an inverted U-shaped lower pressing frame 10 about the polishing assembly, the inner top of the lower pressing frame 10 is connected with a spring 11, the other end of the spring 11 is connected with a lower pressing plate 12, and the lower pressing plate 12 is provided with a stabilizing assembly. The stabilizing assembly comprises a stabilizing rod 20, the stabilizing rod 20 is fixedly connected to the center of the upper end of the lower pressing plate 12, a stabilizing hole 21 is formed in the top of the lower pressing frame 10 corresponding to the position of the stabilizing rod 20, one end of the stabilizing rod 20 far away from the lower pressing plate 12 penetrates through the stabilizing hole 21 and a limiting block 24 fixedly connected with the stabilizing rod, the stabilizing rod 20 is prevented from being separated from the lower pressing frame 10, the spring 11 is sleeved on the rod wall of the stabilizing rod 20, the stabilizing rod 20 is driven to move synchronously in the stabilizing hole 21 when the lower pressing plate 12 moves, and the lower pressing plate 12 is enabled to move more stably.
The lower end of the lower pressing plate 12 is provided with a plurality of rolling components in a matrix shape at uniform and equal intervals. The rolling assembly comprises a ball 22, a rolling groove 23 is formed in the lower end of the lower pressing plate 12, the ball 22 is arranged in the rolling groove 23, one end, far away from the bottom of the rolling groove 23, of the ball 22 penetrates through a notch of the rolling groove 23, the ball 22 is pressed on a steel structure, when the steel structure is moved and polished, the ball 22 is driven to roll, and the friction resistance between the steel structure and the lower pressing plate 12 is reduced.
The working principle is as follows: before carrying out the centre gripping to the steel construction, exert ascending pulling force to holding down plate 12, holding down plate 12 upward movement compresses spring 11, and after the centre gripping steel construction, unclamp holding down plate 12, the spring 11 of compressed promotes the rolling subassembly pressure of holding down plate 12 lower extreme on the steel construction for the steel construction is polished more stably at the in-process of polishing.
Example 3
The working method of the ocean steel structure sectional grinding and welding device comprises the following steps:
s1: clamping two steel structures which are cut in sections by two clamps 9;
s2: starting the electric push rod 16, wherein the electric push rod 16 pushes the support seat 17 to move downwards so as to drive the double-shaft motor 18 to synchronously move downwards, and then the double-shaft motor 18 drives the two polishing discs 19 to rotate;
s3: then the bidirectional threaded rod 5 is rotated clockwise, and the two nuts 6 move oppositely on the bidirectional threaded rod 5 along with the rotation of the bidirectional threaded rod 5;
s4: when the two nuts 6 move towards each other, the two clamps 9 are driven by the two transmission blocks 7 to synchronously move towards each other, so that the two steel structure materials synchronously move towards the direction of the polishing disc, and the end parts of the steel structures are synchronously polished;
s5: and taking down the polished steel structure, and welding through sectional welding equipment.
The working principle is as follows: after the steel structure cut in sections is polished quickly and in high quality by the section polishing mechanism, welding is carried out by section welding equipment.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Coastal steel construction segmentation is polished and is sectionally welded device, including supporting boot (1), its characterized in that: a support plate (2) is connected to an upper end cover opening of the support cover (1), a segmented polishing mechanism is connected to the support cover (1) and the support plate (2) together, and segmented welding equipment (3) is further mounted at the upper end of the support plate (2);
the segmented polishing mechanism comprises a polishing assembly, the polishing assembly is connected to the upper end of a support plate (2), a bidirectional threaded rod (5) is connected to the support cover (1) through the common rotation of a bearing (4) which is symmetrically arranged, a nut (6) is connected to the rod wall of the bidirectional threaded rod (5) through symmetrical threads, a transmission block (7) is connected to the annular side wall of the upper end of the nut (6), a long-strip-shaped transmission hole (8) is formed in the position, corresponding to the transmission block (7), of the support plate (2), and one end, far away from the nut (6), of the transmission block (7) penetrates through the corresponding transmission hole (8) and is fixedly connected with a clamp (9) used for clamping a steel structure.
2. The device for grinding and welding the coastal steel structure in sections according to claim 1, characterized in that: the upper end of backup pad (2) has lower pressure frame (10) that is "U" type about polishing the subassembly symmetrical connection, the interior top of lower pressure frame (10) is connected with spring (11), the other end of spring (11) is connected with holding down plate (12), install stabilizing assembly on holding down plate (12), the lower extreme of holding down plate (12) is the even equidistance of matrix and installs a plurality of rolling assembly.
3. The device for grinding and welding the coastal steel structure in sections according to claim 1, characterized in that: follow horizontal linear direction fixedly connected with gag lever post (13) in transmission hole (8), spacing hole (14) have been seted up to the position that corresponds gag lever post (13) on transmission piece (7), gag lever post (13) pass spacing hole (14) and set up, transmission piece (7) sliding connection is on the pole wall of gag lever post (13).
4. The device for grinding and welding the coastal steel structure in sections according to claim 1, characterized in that: the polishing assembly comprises a support frame (15) which is of an inverted U-shaped structure, the support frame (15) is fixedly connected to the upper end of a support plate (2) in two modes, the clamp (9) is symmetrically arranged on the support frame (15), an electric push rod (16) is fixedly connected to the inner top of the support frame (15), the output end of the electric push rod (16) is connected with a support seat (17), the lower end of the support seat (17) is connected with a double-shaft motor (18), and two output ends of the double-shaft motor (18) are connected with a polishing disc (19) through a coupling.
5. The device for grinding and welding the coastal steel structure in sections according to claim 2, characterized in that: the stabilizing assembly comprises a stabilizing rod (20), the stabilizing rod (20) is fixedly connected to the center of the upper end of the lower pressing plate (12), a stabilizing hole (21) is formed in the top of the lower pressing frame (10) corresponding to the position of the stabilizing rod (20), one end, far away from the lower pressing plate (12), of the stabilizing rod (20) penetrates through the stabilizing hole (21) and extends outwards, and the spring (11) is sleeved on the rod wall of the stabilizing rod (20).
6. The device for grinding and welding the coastal steel structure in sections according to claim 2, characterized in that: the rolling assembly comprises a ball (22), a rolling groove (23) is formed in the lower end of the lower pressing plate (12), the ball (22) is arranged in the rolling groove (23), and one end, far away from the bottom of the rolling groove (23), of the ball (22) penetrates through a notch of the rolling groove (23).
7. The device for grinding and welding the coastal steel structure in sections and the working method according to claim 5, wherein the device comprises: the stabilizer bar (20) is connected with the stabilizing hole (21) in a sliding mode, and a limiting block (24) is fixedly connected to the upper end of the stabilizer bar (20).
8. The device for grinding and welding the coastal steel structure in sections and the working method according to claim 1, wherein the device comprises: one end of the bidirectional threaded rod (5) is fixedly connected with a rotating handle.
9. The working method of the marine steel structure sectional grinding and welding device based on any one of claims 1-8 is characterized by comprising the following steps:
s1: clamping the two segmented and cut steel structures by two clamps (9);
s2: starting the electric push rod (16), wherein the electric push rod (16) pushes the support seat (17) to move downwards so as to drive the double-shaft motor (18) to synchronously move downwards, and then the double-shaft motor (18) drives the two polishing discs (19) to rotate;
s3: then the bidirectional threaded rod (5) is rotated clockwise, and the two nuts (6) move oppositely on the bidirectional threaded rod (5) along with the rotation of the bidirectional threaded rod (5);
s4: when the two nuts (6) move towards each other, the two clamps (9) are driven by the two transmission blocks (7) to synchronously move towards each other, so that the two steel structure materials synchronously move towards the direction of the polishing disc, and the end parts of the steel structures are synchronously polished;
s5: and taking down the polished steel structure, and welding through sectional welding equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111538146.8A CN114147487A (en) | 2021-12-15 | 2021-12-15 | Device for polishing and welding coastal steel structure in sections and working method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111538146.8A CN114147487A (en) | 2021-12-15 | 2021-12-15 | Device for polishing and welding coastal steel structure in sections and working method |
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| CN213261127U (en) * | 2020-07-22 | 2021-05-25 | 韩猛 | Hot melt welding equipment for ppr pipe |
| CN213379564U (en) * | 2020-09-23 | 2021-06-08 | 中石化石油工程技术服务有限公司 | Steel pipe cutting machine for petrochemical industry |
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Application publication date: 20220308 |