CN219684877U - Steel bridge deck temporary fixation horse board bottom welding seam grinding device - Google Patents
Steel bridge deck temporary fixation horse board bottom welding seam grinding device Download PDFInfo
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- CN219684877U CN219684877U CN202320650658.1U CN202320650658U CN219684877U CN 219684877 U CN219684877 U CN 219684877U CN 202320650658 U CN202320650658 U CN 202320650658U CN 219684877 U CN219684877 U CN 219684877U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- 238000003466 welding Methods 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 177
- 238000005498 polishing Methods 0.000 claims abstract description 77
- 238000005452 bending Methods 0.000 claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims description 28
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 210000004209 hair Anatomy 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 238000007517 polishing process Methods 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a welding line polishing device for a steel bridge face time fixing Ma Bande part, which comprises a transmission rod (1), a rotating piece (2), a polishing steel brush (3), a connecting rod (4), a telescopic driving assembly and a fixing installation frame (5); a plurality of transmission rods (1) are rotatably connected sequentially through rotating pieces (2) to form a bending folding arm; the polishing steel brush (3) is of a strip-shaped structure, one end of the polishing steel brush (3) is rotatably connected with one end of the bending folding arm through the rotating piece (2), and the other end of the bending folding arm is rotatably connected with the output end of the telescopic driving assembly through the rotating piece (2), so that the polishing steel brush (3) can be inserted into a welding seam at the bottom of the horse plate (6) in a telescopic manner through the telescopic driving assembly; the telescopic driving assembly is fixed on the fixed mounting frame (5), and the fixed mounting frame (5) is detachably arranged on the steel bridge deck (7). The polishing device can solve the technical problem that the welding line at the bottom of the horse board is difficult to polish in the prior art.
Description
Technical Field
The utility model relates to a welding line polishing device, in particular to a welding line polishing device for a Ma Bande part of a steel bridge which is fixed in time.
Background
Along with the development of modern cities, the requirements for view improvement are more and more, bridge designs are more and more diversified, and as the bending moment of the beam is generally smaller than that of a continuous beam or a simply supported beam with the same span under the vertical load action of a steel structure, the spanning capacity of the beam is larger than that of the bridge, and the steel structure is more and more applied to bridge construction.
Steel structure bridges are usually manufactured in factories and assembled on site. In the field assembly process of the steel beam sections, the steel beam sections are temporarily fixed by adopting the horse plates after being installed at the designated positions, and the welding positions at the bottoms of the horse plates are polished and then welded. However, the weld joint at the bottom of the horse plate is narrow in space, the distance between two adjacent horse plates is small, and the polishing head of the conventional polishing machine cannot extend in, so that polishing is difficult, and the welding quality is affected. Often only manual polishing mode can be adopted on construction sites, efficiency is low, and polishing quality cannot be guaranteed. Therefore, a welding line polishing device under a steel bridge deck horse board is needed to be provided, and the technical problem that the welding line at the bottom of the horse board is difficult to polish in the prior art can be solved.
Disclosure of Invention
The utility model aims to provide a welding seam polishing device under a steel bridge deck horse board, which can solve the technical problem that the welding seam at the bottom of the horse board is difficult to polish in the prior art.
The utility model is realized in the following way:
the welding line polishing device for the Ma Bande part of the steel bridge facing time comprises a transmission rod, a rotating piece, a polishing steel brush, a connecting rod, a telescopic driving assembly and a fixed mounting frame; the transmission rods are rotatably connected sequentially through the rotating piece to form a bending folding arm; the polishing steel brush is of a strip-shaped structure, one end of the polishing steel brush is rotatably connected with one end of the bending folding arm through the rotating piece, and the other end of the bending folding arm is rotatably connected with the output end of the telescopic driving assembly through the rotating piece, so that the polishing steel brush can be inserted into a welding seam at the bottom of the horse plate in a telescopic manner through the telescopic driving assembly; the telescopic driving assembly is fixed on the fixed mounting frame, and the fixed mounting frame is detachably arranged on the steel bridge deck.
The telescopic driving assembly comprises a motor, a central gear, a first transmission gear, a second transmission gear, a third transmission gear, a fourth transmission gear and a transmission toothed bar; the central gear is coaxially and fixedly connected to an output shaft of the motor, and the first transmission gear and the second transmission gear are respectively meshed and connected to the top and the bottom of the central gear; the third transmission gear is coaxially and fixedly connected with the first transmission gear, the fourth transmission gear is coaxially and fixedly connected with the second transmission gear, and the third transmission gear and the fourth transmission gear are sector gears; the top and the bottom of the transmission toothed bar are respectively provided with a linear rack, and the transmission toothed bar is arranged between the third transmission gear and the fourth transmission gear, so that the arc racks of the third transmission gear and the fourth transmission gear are in periodic meshing transmission connection with the transmission toothed bar through the linear racks; one end of the transmission toothed bar forms the output end of the telescopic driving component and is rotatably connected with the other end of the bending folding arm through the rotating piece.
The two ends of the linear rack are provided with limiting protrusions, the length of the linear rack is consistent with the arc length of the arc racks of the third transmission gear and the fourth transmission gear, so that the two limiting protrusions at the top of the linear rack can be connected with the two ends of the arc rack of the third transmission gear in a sliding contact manner, and the two limiting protrusions at the bottom of the linear rack can be connected with the two ends of the arc rack of the fourth transmission gear in a sliding contact manner.
The limiting bulge is of a right triangle structure, and the inclined plane of the limiting bulge is in sliding contact with the end part of the arc-shaped rack.
The telescopic driving assembly further comprises a protective shell, wherein the protective shell is fixedly arranged on the fixed mounting frame, and the central gear, the first transmission gear, the second transmission gear, the third transmission gear and the fourth transmission gear are all arranged in the protective shell; the two sides of the protective shell are opened, so that the transmission toothed bar is partially inserted into the protective shell; the motor is mounted on the outer wall of the protective housing.
The protective shell in run through and be equipped with the gag lever post, be formed with the spacing groove along length direction on the transmission rack bar, the gag lever post runs through the transmission rack bar perpendicularly through the spacing groove, but make the transmission rack bar pass through the telescopic grafting of gag lever post level in the protective shell.
The fixed mounting frame in be equipped with the electro-magnet, make fixed mounting frame pass through the detachable absorption of electro-magnet on the steel bridge floor.
The polishing steel brush comprises a brush rod and brush hairs uniformly distributed on the surface of the brush rod, and the brush rod is inserted into a welding seam at the bottom of the horse plate, so that the brush hairs are in friction contact with the surface of the welding seam at the bottom of the horse plate.
The polishing steel brush, the bending folding arm and the telescopic driving assembly are positioned in the same vertical plane with the welding line.
The connecting rod be L shape structure, the vertical section of connecting rod is rotatable coupling through rotating the one end of piece and crooked folding arm, the horizontal segment of connecting rod links firmly with the brush-holder stud of polishing steel brush coaxial.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, as the telescopic driving assembly is arranged, the gear is driven by the motor, so that the third transmission gear and the fourth transmission gear with the fan-shaped structures periodically transmit the linear racks of the transmission toothed bars, thereby driving the transmission toothed bars to do reciprocating linear motion, further polishing the steel brush back and forth along the welding line, realizing automatic polishing of the welding line at the bottom of the horse plate, being beneficial to improving polishing efficiency and polishing quality, and solving the problems of low efficiency and poor quality of manual polishing.
2. The transmission rod, the rotating piece and the polishing steel brush are arranged, the transmission rod can be bent into any shape through the rotating piece, the long polishing steel brush is small in size, the polishing steel brush can be inserted into a welding line at the bottom of the horse plate, interference and collision with structures such as adjacent horse plates and the like are avoided in the polishing process, the polishing effectiveness of the welding line at the Ma Bande part is ensured, and the problem that a polishing tool in the prior art is large in size and cannot penetrate into the welding line at the bottom of the horse plate is solved.
3. The utility model is provided with the fixed mounting rack, can be magnetically adsorbed on the steel bridge deck after the electromagnet is electrified, has high adsorption and mounting stability, can not shake, deviate or even topple in the polishing process, can move the utility model to the next polishing position after the electromagnet is powered off, and is convenient and quick to assemble and disassemble and simple to operate.
Drawings
FIG. 1 is a schematic installation view of a polishing device for a welding seam at the bottom of a temporary fixed horse board of a steel bridge deck;
FIG. 2 is a schematic illustration of the position of the weld grinding device and weld of the part Ma Bande of the steel bridge facing the time fixing;
fig. 3 is a perspective view of a weld grinding device and a weld for the face time fixing Ma Bande part of the steel bridge according to the utility model.
In the figure, 1 transfer line, 2 rotation piece, 3 brush of polishing, 4 connecting rods, 5 fixed mounting bracket, 6 horse boards, 7 steel bridge deck, 801 motor, 802 sun gear, 803 first drive gear, 804 second drive gear, 805 third drive gear, 806 fourth drive gear, 807 transmission rack bar, 8071 straight rack, 8072 spacing arch, 8073 spacing groove, 808 protective housing, 809 gag lever post.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1 to 3, a welding line polishing device for a steel bridge face time fixing Ma Bande part comprises a transmission rod 1, a rotating piece 2, a polishing steel brush 3, a connecting rod 4, a telescopic driving assembly and a fixing mounting frame 5; the transmission rods 1 are rotatably connected sequentially through the rotating piece 2 to form a bending folding arm; the polishing steel brush 3 is of a strip-shaped structure, one end of the polishing steel brush 3 is rotatably connected with one end of a bending folding arm through a rotating piece 2, and the other end of the bending folding arm is rotatably connected with the output end of the telescopic driving assembly through the rotating piece 2, so that the polishing steel brush 3 can be inserted into a welding seam at the bottom of the horse plate 6 in a telescopic manner through the telescopic driving assembly; the telescopic driving assembly is fixed on the fixed mounting frame 5, and the fixed mounting frame 5 is detachably arranged on the steel bridge deck 7.
The utility model is detachably fixed on the steel bridge deck 7 through the fixing mounting frame 5, is convenient and quick to assemble and disassemble, is convenient to move according to the position of the welding seam, and ensures continuous polishing of the welding seam. The steel brush 3 of polishing is rectangular form structure, and the cross-section is less, is convenient for insert in the welding seam of horse board 6 bottom, can carry out effectual polishing to the welding seam surface, compares the manual work and polishes more efficiently. The rotating piece 2 can adopt a rotating shaft, the rotating shaft is used for rotating two adjacent transmission rods 1, and the rotating shaft and the transmission rods 1 are locked by screws after rotating in place, so that the transmission rods 1 are prevented from rotating accidentally in the polishing process; the bending folding arm can be bent and folded into various shapes through the rotating piece 2, and reliable connection is formed between the connecting rod 4 and the telescopic driving assembly, so that the telescopic driving assembly can drive the polishing steel brush 3 to perform telescopic motion, repeated, automatic and efficient polishing of welding seams is realized, and interference and collision with structures such as the horse plate 6 and the like can be avoided in the polishing process.
The telescopic driving assembly comprises a motor 801, a central gear 802, a first transmission gear 803, a second transmission gear 804, a third transmission gear 805, a fourth transmission gear 806 and a transmission toothed bar 807; the central gear 802 is coaxially and fixedly connected to the output shaft of the motor 801, and the first transmission gear 803 and the second transmission gear 804 are respectively engaged and connected to the top and the bottom of the central gear 802; the third transmission gear 805 is coaxially and fixedly connected with the first transmission gear 803, the fourth transmission gear 806 is coaxially and fixedly connected with the second transmission gear 804, and the third transmission gear 805 and the fourth transmission gear 806 are sector gears; the top and bottom of the transmission toothed bar 807 are respectively provided with a linear rack 8071, and the transmission toothed bar 807 is arranged between the third transmission gear 805 and the fourth transmission gear 806, so that the arc racks of the third transmission gear 805 and the fourth transmission gear 806 are in periodic meshing transmission connection with the transmission toothed bar 807 through the linear racks 8071; one end of the transmission toothed bar 807 forms the output end of the telescopic drive assembly and is rotatably connected to the other end of the curved folding arm by means of the rotating member 2.
The motor 801 may be a small motor with a bidirectional rotation function in the prior art, and is used for driving the sun gear 802 to rotate, so that the first transmission gear 803 and the second transmission gear 804 are synchronously driven by the sun gear 802, and the first transmission gear 803 and the second transmission gear 804 respectively drive the third transmission gear 805 and the fourth transmission gear 806. With the uniform rotation of the third transmission gear 805 and the fourth transmission gear 806, the arc-shaped rack thereof can periodically transmit the linear rack 8071 of the transmission toothed bar 807, thereby driving the transmission toothed bar 807 to make a back-and-forth linear motion. The bi-directional transmission at the top and bottom can improve the motion stability of the transmission toothed bar 807, thereby ensuring effective grinding of the weld by the grinding steel brush 3.
The two ends of the straight rack 8071 are provided with limiting protrusions 8072, the length of the straight rack 8071 is consistent with the arc length of the arc racks of the third transmission gear 805 and the fourth transmission gear 806, so that the two limiting protrusions 8072 positioned at the top of the straight rack 8071 can be connected with the two ends of the arc rack of the third transmission gear 805 in a sliding contact manner, and the two limiting protrusions 8072 positioned at the bottom of the straight rack 8071 can be connected with the two ends of the arc rack of the fourth transmission gear 806 in a sliding contact manner.
Through the setting of spacing arch 8072, can be used to the transmission range of restriction sharp rack 8071, also guarantee the stability when the tip of arc rack and sharp rack 8071 contact and separation.
The limiting protrusion 8072 is in a right triangle structure, and the inclined surface of the limiting protrusion 8072 is in sliding contact with the end part of the arc-shaped rack.
The triangular inclined surface structure is utilized to play a certain guiding role, so that the stability and smoothness of the contact and separation of the end part of the arc-shaped rack and the linear rack 8071 are further improved.
The telescopic driving assembly further comprises a protective housing 808, wherein the protective housing 808 is fixedly arranged on the fixed mounting frame 5, and the central gear 802, the first transmission gear 803, the second transmission gear 804, the third transmission gear 805 and the fourth transmission gear 806 are all arranged in the protective housing 808; the two sides of the protective casing 808 are opened, so that the transmission toothed bar 807 is partially inserted into the protective casing 808; the motor 801 is mounted on the outer wall of the protective housing 808.
The protective housing 808 facilitates installation and protects the sun gear 802, the first transmission gear 803, the second transmission gear 804, the third transmission gear 805 and the fourth transmission gear 806, ensuring smooth rotation and transmission of the gears without jamming; the output shaft of the motor 801 rotatably penetrates the protective casing 808 through a rotating bearing. At the same time, the protective shell 808 also facilitates the mounting of the utility model to the steel bridge deck 7 by means of the fixed mounting frame 5.
The protective shell 808 is internally penetrated with a limit bar 809, a limit groove 8073 is formed on the transmission toothed bar 807 along the length direction, the limit bar 809 vertically penetrates through the transmission toothed bar 807 through the limit groove 8073, and the transmission toothed bar 807 can be horizontally telescopic inserted into the protective shell 808 through the limit bar 809.
By the arrangement of the limit rod 809, the transmission toothed rod 807 can only move along the limit groove 8073 during transmission, so that the horizontal linearity of the telescopic transmission process of the transmission toothed rod 807 is ensured. Preferably, two limit bars 809 can be arranged at intervals, and the principle that two points determine a straight line is utilized to ensure the horizontal arrangement and horizontal straight line transmission of the transmission toothed bar 807.
The fixed mounting frame 5 is internally provided with an electromagnet, so that the fixed mounting frame 5 is detachably adsorbed on the steel bridge surface 7 through the electromagnet.
The electromagnet generates magnetism after being electrified, so that the fixed mounting frame 5 is reliably adsorbed on the steel bridge surface 7, the magnetism disappears after the electromagnet is powered off, the fixed mounting frame 5 is convenient to detach and move from the steel bridge surface 7, the disassembly and the assembly are convenient and quick, the reliability of adsorption connection is high, and shaking and even overturning cannot occur in the polishing process.
The polishing steel brush 3 comprises a brush rod and brush hairs uniformly distributed on the surface of the brush rod, and the brush rod is inserted into a welding seam at the bottom of the horse plate 6, so that the brush hairs are in friction contact with the surface of the welding seam at the bottom of the horse plate.
The size of the brush rod can be determined according to the size of the welding seam, the material of the brush hair can be selected according to polishing requirements, the brush rod can be inserted into the welding seam, the brush hair can be in friction contact with the surface of the welding seam, and an effective polishing effect can be achieved.
The transmission toothed bar 807 of the polishing steel brush 3, the bending folding arm and the telescopic driving assembly and the welding line are positioned in the same vertical plane, so that the bristles of the polishing steel brush 3 can effectively and uniformly polish the surface of the welding line, and the polishing efficiency and the polishing quality are improved.
The connecting rod 4 is L-shaped, the vertical section of the connecting rod 4 is rotatably connected with one end of the bending folding arm through the rotating piece 2, and the horizontal section of the connecting rod 4 is coaxially and fixedly connected with the brush rod of the polishing steel brush 3.
The horizontal section of the connecting rod 4 can further ensure the horizontal linear movement of the polishing steel brush 3, thereby ensuring the polishing effect.
Referring to fig. 1 to 3, the application method and working process of the present utility model are as follows:
the transmission rod 1 rotates through the rotation piece 2 to adjust the shape of the bending folding arm, ensures that the bending folding arm does not interfere with the adjacent horse plate 6 in the telescoping process, and locks the rotation piece 2 after being adjusted in place.
The fixed mounting frame 5 is arranged on the steel bridge deck 7 along the welding seam, the utility model is powered on, and the electromagnet is electrified to generate magnetism and is firmly adsorbed on the steel bridge deck 7. The output shaft of the motor 801 drives the sun gear 802 to synchronously rotate in the forward direction and the reverse direction alternately, so that the sun gear 802 is synchronously meshed with the first transmission gear 803 and the second transmission gear 804, the third transmission gear 805 synchronously rotates along with the first transmission gear 803, and the fourth transmission gear 806 synchronously rotates along with the second transmission gear 804.
The third transmission gear 805 and the fourth transmission gear 806 of the fan-shaped structure periodically transmit the linear racks 8071 of the transmission rack bar 807. During the nth rotation, the arc racks of the third transmission gear 805 and the fourth transmission gear 806 are meshed with the linear rack 8071, so that the transmission toothed bar 807 is driven to move towards the direction close to the horse plate 6 until the arc racks of the third transmission gear 805 and the fourth transmission gear 806 are separated from the linear rack 8071, and the transmission toothed bar 807 stops moving; at the n+1th rotation, the arc racks of the third transmission gear 805 and the fourth transmission gear 806 are meshed with the linear rack 8071 again, and the transmission toothed bar 807 is driven to move in a direction away from the horse board 6 until the arc racks of the third transmission gear 805 and the fourth transmission gear 806 are separated from the linear rack 8071, and the transmission toothed bar 807 stops moving. The transmission toothed bar 807 reciprocates under the transmission of the third transmission gear 805 and the fourth transmission gear 806.
Since the transmission toothed bar 807 is located between the third transmission gear 805 and the fourth transmission gear 806, and is slidingly limited by the limit bar 809 and the limit groove 8073, the movement track of the transmission toothed bar 807 is ensured to be a horizontal straight line. So that the transmission toothed bar 807 drives the polishing steel brush 3 to reciprocate horizontally and linearly through the bending folding arm, and the polishing steel brush 3 inserted into the welding seam at the bottom of the horse board 6 repeatedly polishes the welding seam part.
After finishing polishing, the power supply of the utility model is disconnected, the telescopic driving assembly and the polishing steel brush 3 stop moving, and simultaneously the electromagnet loses magnetism and is desorbed with the steel bridge surface 7, so that the fixed mounting frame 5 can move to the next polishing position.
The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A welding line polishing device for a Ma Bande part of a steel bridge fixed in time, which is characterized in that: comprises a transmission rod (1), a rotating piece (2), a polishing steel brush (3), a connecting rod (4), a telescopic driving assembly and a fixed mounting frame (5); a plurality of transmission rods (1) are rotatably connected sequentially through rotating pieces (2) to form a bending folding arm; the polishing steel brush (3) is of a strip-shaped structure, one end of the polishing steel brush (3) is rotatably connected with one end of the bending folding arm through the rotating piece (2), and the other end of the bending folding arm is rotatably connected with the output end of the telescopic driving assembly through the rotating piece (2), so that the polishing steel brush (3) can be inserted into a welding seam at the bottom of the horse plate (6) in a telescopic manner through the telescopic driving assembly; the telescopic driving assembly is fixed on the fixed mounting frame (5), and the fixed mounting frame (5) is detachably arranged on the steel bridge deck (7).
2. The steel bridge face time fixing Ma Bande part weld polishing device according to claim 1, wherein: the telescopic driving assembly comprises a motor (801), a central gear (802), a first transmission gear (803), a second transmission gear (804), a third transmission gear (805), a fourth transmission gear (806) and a transmission toothed bar (807); the central gear (802) is coaxially and fixedly connected to an output shaft of the motor (801), and the first transmission gear (803) and the second transmission gear (804) are respectively meshed and connected to the top and the bottom of the central gear (802) in a transmission manner; the third transmission gear (805) is coaxially and fixedly connected with the first transmission gear (803), the fourth transmission gear (806) is coaxially and fixedly connected with the second transmission gear (804), and the third transmission gear (805) and the fourth transmission gear (806) are sector gears; the top and the bottom of the transmission toothed bar (807) are respectively provided with a linear rack (8071), and the transmission toothed bar (807) is arranged between the third transmission gear (805) and the fourth transmission gear (806) so that arc racks of the third transmission gear (805) and the fourth transmission gear (806) are in periodic meshing transmission connection with the transmission toothed bar (807) through the linear racks (8071); one end of the transmission toothed bar (807) forms the output end of the telescopic driving assembly and is rotatably connected with the other end of the bending folding arm through a rotating piece (2).
3. The steel bridge face time fixing Ma Bande part weld polishing device according to claim 2, wherein: limiting protrusions (8072) are formed at two ends of the linear rack (8071), the length of the linear rack (8071) is consistent with the arc length of the arc racks of the third transmission gear (805) and the fourth transmission gear (806), the two limiting protrusions (8072) at the top of the linear rack (8071) can be connected with two ends of the arc rack of the third transmission gear (805) in a sliding contact mode, and the two limiting protrusions (8072) at the bottom of the linear rack (8071) can be connected with two ends of the arc rack of the fourth transmission gear (806) in a sliding contact mode.
4. A steel bridge face time fixing Ma Bande part weld grinding device according to claim 3, characterized by: the limiting bulge (8072) is of a right triangle structure, and the inclined surface of the limiting bulge (8072) is in sliding contact with the end part of the arc-shaped rack.
5. The steel bridge face time fixing Ma Bande part weld polishing device according to claim 2, wherein: the telescopic driving assembly further comprises a protective shell (808), the protective shell (808) is fixedly arranged on the fixed mounting frame (5), and the sun gear (802), the first transmission gear (803), the second transmission gear (804), the third transmission gear (805) and the fourth transmission gear (806) are all arranged in the protective shell (808); the two sides of the protective shell (808) are opened, so that the transmission toothed bar (807) is partially inserted into the protective shell (808); the motor (801) is mounted on the outer wall of the protective housing (808).
6. The steel bridge face time fixing Ma Bande part weld polishing device according to claim 5, wherein: the protective shell (808) is internally penetrated and provided with a limit rod (809), the transmission toothed bar (807) is provided with a limit groove (8073) along the length direction, and the limit rod (809) vertically penetrates through the transmission toothed bar (807) through the limit groove (8073), so that the transmission toothed bar (807) can be horizontally telescopic inserted in the protective shell (808) through the limit rod (809).
7. The steel bridge face time fixing Ma Bande part weld polishing device according to claim 1, wherein: the fixed mounting frame (5) is internally provided with an electromagnet, so that the fixed mounting frame (5) is detachably adsorbed on the steel bridge surface (7) through the electromagnet.
8. The steel bridge face time fixing Ma Bande part weld polishing device according to claim 1, wherein: the polishing steel brush (3) comprises a brush rod and bristles uniformly distributed on the surface of the brush rod, and the brush rod is inserted into a welding seam at the bottom of the horse plate (6) so that the bristles are in friction contact with the surface of the welding seam at the bottom of the horse plate.
9. The steel bridge face time fixing Ma Bande part weld polishing device according to claim 1, wherein: the polishing steel brush (3), the bending folding arm and the telescopic driving assembly are positioned in the same vertical plane with the welding line.
10. The steel bridge face time fixing Ma Bande part weld polishing device according to claim 1, wherein: the connecting rod (4) is of an L-shaped structure, the vertical section of the connecting rod (4) is rotatably connected with one end of the bending folding arm through the rotating piece (2), and the horizontal section of the connecting rod (4) is coaxially and fixedly connected with the brush rod of the polishing steel brush (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320650658.1U CN219684877U (en) | 2023-03-29 | 2023-03-29 | Steel bridge deck temporary fixation horse board bottom welding seam grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320650658.1U CN219684877U (en) | 2023-03-29 | 2023-03-29 | Steel bridge deck temporary fixation horse board bottom welding seam grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219684877U true CN219684877U (en) | 2023-09-15 |
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ID=87938138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320650658.1U Active CN219684877U (en) | 2023-03-29 | 2023-03-29 | Steel bridge deck temporary fixation horse board bottom welding seam grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219684877U (en) |
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2023
- 2023-03-29 CN CN202320650658.1U patent/CN219684877U/en active Active
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