CN109930499B - Bridge deck crack repairing device for bridge reinforcement - Google Patents
Bridge deck crack repairing device for bridge reinforcement Download PDFInfo
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- CN109930499B CN109930499B CN201910313672.0A CN201910313672A CN109930499B CN 109930499 B CN109930499 B CN 109930499B CN 201910313672 A CN201910313672 A CN 201910313672A CN 109930499 B CN109930499 B CN 109930499B
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Abstract
The invention discloses a bridge deck crack repairing device for bridge reinforcement, and relates to the technical field of bridge reinforcement. This bridge deck crack patching device is used in bridge reinforcement, including plate body, handle, removal wheel, steel sheet, concrete mixer, cement pump and mechanism of caulking, both ends difference fixed connection is in the left and right sides of plate body top rear side about the handle bottom, and the quantity of removing the wheel is four, and four remove the wheel all through the round pin axle with the bellying swing joint of four sides at plate body top, the level of plate body bottom is higher than the level of removing the wheel bottom. This bridge deck crack patching device is used in bridge reinforcement, the both sides of crack inner wall are pressed close to respectively to two discharge mechanism under reset spring effort to discharge concrete from discharge mechanism via concrete mixer and cement pump work, make the concrete press close to cracked inner wall when discharging into in the crack via discharge mechanism, the condition that appears a large amount of gas pockets in the concrete of having avoided caulking appears.
Description
Technical Field
The invention relates to the technical field of bridge reinforcement, in particular to a bridge deck crack repairing device for bridge reinforcement.
Background
The bridge deck part in the bridge is used as an important path of a travelling crane, after the bridge is used for a long time, because the modern bridge process does not reach a higher level, damage conditions such as bridge deck cracks and the like inevitably occur in the process of completing construction and using the bridge, and when the cracks occur on the surface of the bridge, the cracks are usually repaired by adopting a concrete filling mode. At present, a commonly used repairing mode basically reaches the position of a bridge deck where cracks appear through a construction team, cement is mixed on site and the cracks are filled, a large amount of air is inevitably filled into the cracks along with the cement in the filling process, the quality of concrete filled at the cracks is affected, and the hidden danger that the cracks are re-cracked in a short time due to low strength exists.
Disclosure of Invention
The invention aims to provide a bridge deck crack repairing device for bridge reinforcement, which can avoid the situation that cracks are cracked again in a short time after the cracks are filled.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a bridge deck crack patching device for bridge reinforcement, which comprises a plate body, the handle, remove the wheel, the steel sheet, concrete mixer and cement pump, the handle is fixed in one side of plate body, the quantity that removes the wheel is four, and four remove the wheel all through the bellying swing joint of round pin axle with four sides at the plate body top, the level of plate body bottom is higher than the level of removing the wheel bottom, the steel sheet is placed at the top of plate body, concrete mixer fixed mounting is at the middle part of plate body top front side, cement pump fixed mounting is at the middle part of plate body top front side, and the entry of cement pump and concrete mixer's exit linkage and intercommunication, fixed mounting has the mechanism of caulking on the plate body, the mechanism of caulking inlays the dress at the front side at plate body top and runs through the front side of plate body bottom.
The joint filling mechanism comprises a shell, a ball shaft, a threaded rod, a rotating button, a lifting plate, a first sliding chute, two guide slide rods, a discharging mechanism, a corrugated pipe, a second sliding chute, a third sliding chute, a fixing piece, a return spring and a frame plate, wherein the shell is embedded in the front side of the top of the plate body and penetrates through the front side of the bottom of the plate body, the ball shaft is embedded in the middle of the top of the shell and penetrates through the middle of the top of the shell, the threaded rod is longitudinally inserted in the ball shaft, the top end of the threaded rod penetrates through the top of the shell and is fixedly connected with the bottom of the rotating button, the lifting plate is in threaded connection with the threaded rod, the first sliding chutes are respectively arranged on the front side and the rear side of the inner wall of the lifting plate, the number of the two guide slide rods is two, the top ends of the two guide slide rods are respectively and fixedly connected to the rear side of, the opposite ends of the two corrugated pipes are respectively inserted into the tops of the two discharging mechanisms, the opposite ends of the two corrugated pipes penetrate through the top of the back of the shell and the top of the plate body and are connected and communicated with an outlet of a cement pump, the second chute is arranged at the top of the lifting plate and is communicated with the inner cavity of the lifting plate, the opposite ends of the two corrugated pipes are respectively connected with the left side and the right side of the inner cavity of the second chute in a sliding manner, the third chute is arranged at the top of the shell and is communicated with the inner cavity of the shell, the back of the fixed plate is fixedly connected in the middle of the inner cavity of the lifting plate, the number of the reset springs is two, the opposite ends of the two reset springs are respectively fixedly connected with the left side and the right side of the fixed plate, the opposite ends of the two reset springs are respectively fixedly connected with the opposite sides of the two discharging mechanisms, the elasticity of, and the bottom of the frame plate penetrates through the bottom of the shell and extends to the lower part of the shell.
Preferably, the discharging mechanism comprises a filling rod, a telescopic rod, a discharging groove, a guide sliding block, a placing block, a containing groove, a contact ball, a trapezoidal air bag and a supporting air pipe.
Preferably, the packing rod is positioned at the front side of the frame plate, the left bottom of the packing rod is inwards sunken to form a notch, the bottom surface of the notch inclines towards the lower left side of the packing rod, the lower half section of the telescopic rod is inserted into the top of the packing rod, the top end of the telescopic rod penetrates through the second chute and the third chute and extends to the top of the shell and is fixedly connected with a handle, the discharge chute is longitudinally arranged at one side of the top of the packing rod away from the telescopic rod, the bottom end of the discharge chute penetrates through the top surface of the notch and is communicated with the notch, the opposite sides of the guide blocks are respectively and fixedly connected with the tops of the front side and the rear side of the packing rod, the opposite sides of the two guide blocks are respectively and slidably connected into the two first chutes, the right side of the placing block is fixedly connected with the middle part of the left side of the packing rod, the containing groove is arranged at one side of the placing, the top fixed connection of trapezoidal gasbag is in the bottom of filler rod, and the tracheal quantity of support is three, and three support trachea be equidistance form and distribute in the left part, middle part and the right part of trapezoidal gasbag inner chamber, support tracheal upper and lower both ends respectively with the upper and lower both sides fixed connection of trapezoidal gasbag inner wall.
Preferably, the telescopic link includes barrel and T shape holding rod, and the lower half section of barrel is pegged graft in the top of filler rod, and the T shape holding rod is invertd in the barrel, and the top of T shape holding rod runs through the top of barrel and extends to the top of casing, and the top of barrel runs through the third spout.
Preferably, the bottom of the frame plate is concave, and the bottom of the frame plate and the bottom of the moving wheel are located on the same horizontal line.
Preferably, the trapezoidal air bag and the supporting air tube are filled with air.
Compared with the prior art:
the invention provides a bridge deck crack repairing device for bridge reinforcement. The method has the following beneficial effects:
(1) this bridge deck crack repairing device for bridge reinforcement, remove the plate body to bridge deck fracture position back through removing the wheel, two discharge mechanism press close to each other and stretch out and go deep into in the crack from the casing below, crack inner wall's both sides are pressed close to respectively to two discharge mechanism under reset spring effort, and discharge in discharge mechanism with concrete pump work with the cement pump via concrete mixer, make the concrete press close to cracked inner wall when discharging into in the crack via discharge mechanism, area of contact with the air is reduced greatly, thereby the condition that appears a large amount of gas pockets in the concrete of having avoided caulking appears, the normal use after the bridge deck crack is filled has been guaranteed.
(2) This bridge deck crack patching device is used in bridge reinforcement, when via blown down tank discharge concrete, through the notch contact back of blown down tank discharge concrete and filler rod, because the design of bottom slope form in the notch, reached and preferentially arranged the effect to pressing close to the crack both sides with the concrete, make the concrete flow in crack bottom and fill up the crack gradually along the crack inner wall, such filling mode is when reducing concrete and air area of contact, along with the continuous rising of concrete liquid table, extrude the air in the crack gradually, further guarantee not contain more air in the cracked concrete of filling, guaranteed the repair quality to the bridge deck crack.
(3) This bridge deck crack patching device is used in bridge reinforcement, through placing the piece, the holding tank sets up with the cooperation of contact ball, make stretch into the crack back at the filler rod, the contact ball is first to contact with crack inner wall, curved surface through the contact ball can effectively reduce and crack inner wall between frictional force, contact ball contacts with crack inner wall all the time simultaneously under reset spring effort, make the user carry out the in-process of filling at the pulling movable plate to whole piece crack, the contact ball slides all the time on cracked inner wall and guarantees that the filler rod presses close to cracked inner wall discharge concrete all the time, the filling degree of consistency of concrete in the crack has fully been guaranteed.
(4) This bridge deck crack repairing device is used in bridge reinforcement, through set up trapezoidal gasbag bottom the filler rod, and support tracheal cooperation setting, thereby can be at the concrete liquid table in-process that constantly rises, the air that packs through trapezoidal gasbag makes it be located the concrete liquid table, and improve trapezoidal gasbag's anti deformability through its inside support trachea, discharge mechanism shifts out from the crack when making the crack filled gradually to the concrete, and strickle off through the concrete of frame plate to crack surface.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the caulking mechanism of the present invention;
FIG. 3 is a right side cross-sectional view of the frame plate of the present invention;
FIG. 4 is a cross-sectional view of the discharge mechanism of the present invention;
fig. 5 is a sectional view of the telescopic rod of the present invention.
In the figure: 1 plate body, 2 handles, 3 moving wheels, 4 steel plates, 5 concrete mixers, 6 cement pumps, 7 caulking mechanisms, 701 shells, 702 ball shafts, 703 threaded rods, 704 rotating buttons, 705 lifting plates, 706 first sliding grooves, 707 guide rods, 708 discharging mechanisms, 709 corrugated pipes, 710 second sliding grooves, 711 third sliding grooves, 712 fixing pieces, 713 return springs, 714 frame plates, 7081 filler rods, 7082 telescopic rods, 7083 discharging grooves, 7084 guide blocks, 7085 placing blocks, 7086 containing grooves, 7087 contact balls, 7088 trapezoidal airbags and 7089 supporting air pipes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a bridge deck crack patching device is used in bridge reinforcement, which comprises a plate body 1, handle 2, remove wheel 3, steel sheet 4, concrete agitator 5 and cement pump 6, handle 2 is fixed in one side of plate body 1, the quantity that removes wheel 3 is four, and four remove wheel 3 all through the bellying swing joint of round pin axle with four sides in plate body 1 top, the level of plate body 1 bottom is higher than the level of removing wheel 3 bottom, steel sheet 4 places at plate body 1's top, concrete agitator 5 fixed mounting is at the middle part of plate body 1 top front side, 6 fixed mounting of cement pump is at the middle part of plate body 1 top front side, and the entry of cement pump 6 and concrete agitator 5's exit linkage and intercommunication, fixed mounting has caulking mechanism 7 on the plate body, caulking mechanism 7 inlays the dress at the front side at plate body 1 top and runs through the front side of plate body 1 bottom.
The gap filling mechanism 7 comprises a shell 701, a ball shaft 702, a threaded rod 703, a rotating button 704, a lifting plate 705, a first sliding groove 706, a sliding guide rod 707, a discharging mechanism 708, a corrugated pipe 709, a second sliding groove 710, a third sliding groove 711, a fixing piece 712, a return spring 713 and a frame plate 714, wherein the shell 701 is embedded in the front side of the top of the plate 1 and penetrates through the front side of the bottom of the plate 1, the ball shaft 702 is embedded in the middle of the top of the shell 701 and penetrates through the middle of the inner top of the shell 701, the threaded rod 703 is longitudinally inserted in the ball shaft 702, the top end of the threaded rod 703 penetrates through the top of the shell 701 and is fixedly connected with the bottom of the rotating button 704, the lifting plate 705 is in threaded connection with the threaded rod 703, the first sliding grooves 706 are respectively arranged on the front side and the rear side of the inner wall of the lifting plate 705, the number of the sliding guide rods 707 is two, the top ends of the, the two discharging mechanisms 708 are respectively and movably arranged on the left side and the right side of the inner cavity of the lifting plate 705, the number of the corrugated pipes 709 is two, the opposite ends of the two corrugated pipes 709 are respectively inserted into the tops of the two discharging mechanisms 708, the opposite ends of the two corrugated pipes 709 penetrate through the top of the back surface of the shell 701 and the top of the plate body 1 and are connected and communicated with the outlet of the cement pump 6, the second chute 710 is arranged on the top of the lifting plate 705 and is communicated with the inner cavity of the lifting plate 705, the opposite ends of the two corrugated pipes 709 are respectively and slidably connected on the left side and the right side of the inner cavity of the second chute 710, the third chute 711 is arranged on the top of the shell 701 and is communicated with the inner cavity of the shell 701, the back surface of the fixing plate 712 is fixedly connected to the middle part of the inner cavity of the lifting plate 705, the number of, the opposite ends of the two return springs 713 are fixedly connected to the opposite sides of the two discharging mechanisms 708 respectively, the elastic force of the two return springs 713 is greater than the weight of the two discharging mechanisms 708 respectively, the back of the frame plate 714 is fixedly connected to the bottom of the inner rear wall of the shell 701, the bottom of the frame plate 714 penetrates through the bottom of the shell 701 and extends to the lower side of the shell 701, the bottom of the frame plate 714 is concave, and the bottom of the frame plate 714 and the bottom of the moving wheel 3 are located on the same horizontal line.
The discharging mechanism 708 comprises a filler rod 7081, a telescopic rod 7082, a discharging groove 7083, a guide sliding block 7084, a placing block 7085, a containing groove 7086, a contact ball 7087, a trapezoidal airbag 7088 and a supporting air pipe 7089, the filler rod 7081 is positioned on the front side of the frame plate 714, the bottom of the left side of the filler rod 7081 is inwards recessed to form a notch, the bottom surface of the notch is inclined towards the lower left side of the filler rod 7081, the lower half section of the telescopic rod 7082 is inserted into the top of the filler rod 7081, the top end of the telescopic rod 7082 penetrates through the second sliding groove 710 and the third sliding groove 711 to extend to the top of the shell 701 and is fixedly connected with a handle, the telescopic rod 7082 comprises a cylinder body and a T-shaped holding rod, the lower half section of the cylinder body is inserted into the top of the filler rod 7081, the T-shaped holding rod is inverted in the cylinder body, the top end of the T-shaped holding rod penetrates through the top of the cylinder body and extends to the top of the shell 701, the top end of the, the bottom end of the discharge chute 7083 penetrates through the top surface of the notch and is communicated with the notch, one opposite side of the guide sliding block 7084 is fixedly connected to the tops of the front side and the rear side of the filler rod 7081 respectively, and the opposite sides of the two guide sliding blocks 7084 are respectively connected in the two first sliding chutes 706 in a sliding manner, the right side of the placing block 7085 is fixedly connected to the middle part of the left side of the filler rod 7081, the accommodating groove 7086 is formed in the side of the placing block 7085 opposite to the filler rod 7081, the contact ball 7087 is placed in the accommodating groove 7086, the left side of the contact ball 7087 penetrates through one side of the placing block 7085 opposite to the filler rod 7081, the top of the trapezoidal air bag 7088 is fixedly connected to the bottom of the filler rod 7081, the number of the supporting air pipes 7089 is three, and the three supporting air pipes 7089 are distributed at the left part, the middle part and the right part of the inner cavity of the trapezoidal air bag 7088 in an equidistant manner, the upper end and the lower end of each supporting air pipe 7089 are fixedly connected with the upper side and the lower side of the inner wall of the trapezoidal air bag 7088 respectively, and the trapezoidal air bag 7088 and the supporting air pipes 7089 are filled with air.
When the bridge deck crack repairing device for bridge reinforcement is used, the plate body 1 is moved to the crack position of the bridge deck through the handle 2 and the moving wheel 3, a user holds two T-shaped holding rods in one hand, simultaneously rotates the knob 704 to drive the threaded rod 703 to rotate in the ball shaft 702, so that the lifting plate 705 moves downwards along the guide sliding rod 707, the filler rod 7081 slides in the first sliding groove 706 through the guide sliding block 7084 in the transverse moving process, the filler rod 7081 moves up and down along the T-shaped holding rods through the barrel when moving longitudinally, after the filler rod 7081 extends into the crack, the user loosens the T-shaped holding rods, the contact ball 7087 is contacted with the inner wall of the crack under the thrust of the return spring 713, the concrete stirrer 5 and the cement pump 6 work to discharge concrete from the filler rod 7081 through the corrugated pipe 709 and the discharge groove 7083, the concrete is discharged into the bottom of the crack along the inner wall through the inclined inner bottom of the notch, in the process of continuously rising the concrete liquid surface, the trapezoidal air bag 7088 is pushed, the filler rod 7081 is driven to move upwards, the lifting plate 705 is driven, and the concrete on the surface of the crack is scraped through the frame plate 714.
Claims (4)
1. The utility model provides a bridge deck crack patching device for bridge reinforcement, includes plate body (1), handle (2), removes wheel (3), steel sheet (4), concrete mixer (5) and cement pump (6), its characterized in that: the concrete mixer is characterized in that the handle (2) is fixed on one side of the plate body (1), the number of the moving wheels (3) is four, the four moving wheels (3) are movably connected with the protruding parts on the four sides of the top of the plate body (1) through pin shafts, the horizontal height of the bottom of the plate body (1) is higher than that of the bottom of the moving wheels (3), the steel plate (4) is placed on the top of the plate body (1), the concrete mixer (5) is fixedly installed in the middle of the front side of the top of the plate body (1), the cement pump (6) is fixedly installed in the middle of the front side of the top of the plate body (1), an inlet of the cement pump (6) is connected and communicated with an outlet of the concrete mixer (5), the seam filling mechanism (7) is fixedly installed on the plate body (1), and the seam filling mechanism (7) is embedded in the front side of the top of the plate body;
the gap filling mechanism (7) comprises a shell (701), a ball shaft (702), a threaded rod (703), a rotating button (704), a lifting plate (705), a first sliding groove (706), a sliding guide rod (707), a discharging mechanism (708), a corrugated pipe (709), a second sliding groove (710), a third sliding groove (711), a fixing plate (712), a return spring (713) and a frame plate (714), wherein the shell (701) is embedded in the front side of the top of the plate body (1) and penetrates through the front side of the bottom of the plate body (1), the ball shaft (702) is embedded in the middle of the top of the shell (701) and penetrates through the middle of the inner top of the shell (701), the threaded rod (703) longitudinally penetrates through the ball shaft (702), the top end of the threaded rod (701) penetrates through the top of the shell (701) and is fixedly connected with the bottom of the rotating button (704), the lifting plate (705) is in threaded connection with the threaded rod (703), the first sliding grooves (706) are respectively arranged on the front side, the number of the guide sliding rods (707) is two, the top ends of the two guide sliding rods (707) are respectively fixedly connected to the rear side of the middle part of the inner top of the shell (701), the number of the discharge mechanisms (708) is two, the two discharge mechanisms (708) are respectively movably installed on the left side and the right side of the inner cavity of the lifting plate (705), the number of the corrugated pipes (709) is two, the back-to-back ends of the two corrugated pipes (709) are respectively inserted into the tops of the two discharge mechanisms (708), the opposite ends of the two corrugated pipes (709) penetrate through the top of the back of the shell (701) and the top of the plate body (1) and are connected and communicated with an outlet of the cement pump (6), the second sliding chute (710) is arranged at the top of the lifting plate (705) and is communicated with the inner cavity of the lifting plate (705), the back-to-back ends of the two corrugated pipes (709) are respectively connected, the third sliding groove (711) is formed in the top of the shell (701) and communicated with the inner cavity of the shell (701), the back face of the fixing plate (712) is fixedly connected to the middle of the inner cavity of the lifting plate (705), the number of the reset springs (713) is two, opposite ends of the two reset springs (713) are fixedly connected to the left side and the right side of the fixing plate (712), opposite ends of the two reset springs (713) are fixedly connected to opposite sides of the two discharging mechanisms (708), the elastic force of the two reset springs (713) is larger than the weight of the two discharging mechanisms (708), the back face of the frame plate (714) is fixedly connected to the bottom of the inner rear wall of the shell (701), and the bottom of the frame plate (714) penetrates through the bottom of the shell (701) and extends to the lower side of the shell (701);
the discharging mechanism (708) comprises a filler rod (7081), a telescopic rod (7082), a discharging groove (7083), a guide sliding block (7084), a placing block (7085), a containing groove (7086), a contact ball (7087), a trapezoidal air bag (7088) and a supporting air pipe (7089), the filler rod (7081) is located on the front side of the frame plate (714), the bottom of the left side of the filler rod (7081) is inwards recessed to form a notch, the bottom surface of the notch is inclined towards the lower left side of the filler rod (7081), the lower half section of the telescopic rod (7082) is inserted into the top of the filler rod (7081), the top end of the telescopic rod (7082) penetrates through the second sliding groove (710) and the third sliding groove (711) to extend to the top of the shell (701) and is fixedly connected with a handle, the discharging groove (7083) is longitudinally arranged on one side, far away from the telescopic rod (7082), the top end of the discharging groove (7083) penetrates through the top surface of the notch and is communicated with the, the opposite sides of the guide sliding block (7084) are respectively and fixedly connected with the tops of the front side and the rear side of the filler rod (7081), and the opposite sides of the two guide sliding blocks (7084) are respectively connected in the two first sliding chutes (706) in a sliding manner, the right side of the placing block (7085) is fixedly connected to the middle part of the left side of the filling rod (7081), the accommodating groove (7086) is arranged at one side of the placing block (7085) opposite to the filling rod (7081), the contact ball (7087) is arranged in the accommodating groove (7086), the left side of the contact ball (7087) penetrates through one side of the placement block (7085) opposite to the filler rod (7081), the top of the trapezoidal air bag (7088) is fixedly connected to the bottom of the filler rod (7081), the number of the supporting air pipes (7089) is three, and the three supporting air pipes (7089) are distributed at the left part, the middle part and the right part of the inner cavity of the trapezoidal air bag (7088) in an equidistant manner, and the upper end and the lower end of each supporting air pipe (7089) are fixedly connected with the upper side and the lower side of the inner wall of the trapezoidal air bag (7088) respectively.
2. The bridge deck crack repairing apparatus for bridge reinforcement according to claim 1, wherein: the telescopic rod (7082) comprises a cylinder body and a T-shaped holding rod, the lower half section of the cylinder body is inserted into the top of the filler rod (7081), the T-shaped holding rod is inverted in the cylinder body, the top end of the T-shaped holding rod penetrates through the top of the cylinder body and extends to the upper side of the shell (701), and the top end of the cylinder body penetrates through the third sliding groove (711).
3. The bridge deck crack repairing apparatus for bridge reinforcement according to claim 1, wherein: the bottom of the frame plate (714) is concave, and the bottom of the frame plate (714) and the bottom of the moving wheel (3) are located on the same horizontal line.
4. The bridge deck crack repairing apparatus for bridge reinforcement according to claim 1, wherein: the trapezoidal air bag (7088) and the supporting air pipe (7089) are filled with air.
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| CN201910313672.0A CN109930499B (en) | 2019-04-18 | 2019-04-18 | Bridge deck crack repairing device for bridge reinforcement |
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| CN201910313672.0A CN109930499B (en) | 2019-04-18 | 2019-04-18 | Bridge deck crack repairing device for bridge reinforcement |
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| CN109930499A CN109930499A (en) | 2019-06-25 |
| CN109930499B true CN109930499B (en) | 2020-12-01 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111287089A (en) * | 2020-02-04 | 2020-06-16 | 曙光建设有限公司 | Municipal administration bridge cement mortar device of caulking |
| CN112281610A (en) * | 2020-10-12 | 2021-01-29 | 苏州策尼特建材科技有限公司 | Road crack filling device for municipal works |
| CN112502033B (en) * | 2020-11-27 | 2022-04-29 | 山东交通学院 | Underwater robot |
| CN112729530B (en) * | 2020-12-21 | 2023-08-18 | 广东中磐工程检测有限公司 | Arch frame for detecting vibration wave frequency |
| CN113846577A (en) * | 2021-10-22 | 2021-12-28 | 赵延玲 | Road and bridge crack reinforcing apparatus in highway construction process |
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| JP5736561B1 (en) * | 2014-06-19 | 2015-06-17 | 株式会社 アクティブ | Horizontal cutting removal method of expansion joint |
| CN105386400A (en) * | 2015-12-08 | 2016-03-09 | 浙江海洋学院 | Ground gap filling machine |
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| JP5736561B1 (en) * | 2014-06-19 | 2015-06-17 | 株式会社 アクティブ | Horizontal cutting removal method of expansion joint |
| CN105386400A (en) * | 2015-12-08 | 2016-03-09 | 浙江海洋学院 | Ground gap filling machine |
| CN206127846U (en) * | 2016-08-30 | 2017-04-26 | 中建路桥集团有限公司 | Pavement damage repairs car fast |
| CN208309405U (en) * | 2017-10-30 | 2019-01-01 | 无锡威伟矿冶设备制造有限公司 | A kind of Bridge Crack patcher |
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