CN117532419B - Bridge guardrail maintenance device - Google Patents
Bridge guardrail maintenance device Download PDFInfo
- Publication number
- CN117532419B CN117532419B CN202410032320.9A CN202410032320A CN117532419B CN 117532419 B CN117532419 B CN 117532419B CN 202410032320 A CN202410032320 A CN 202410032320A CN 117532419 B CN117532419 B CN 117532419B
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- sleeve
- grinding
- extrusion
- steel pipe
- driving
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- 238000012423 maintenance Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- 238000001125 extrusion Methods 0.000 claims abstract description 56
- 230000002093 peripheral effect Effects 0.000 claims abstract description 21
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 5
- 238000005498 polishing Methods 0.000 abstract description 11
- 238000005096 rolling process Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to the technical field of polishing equipment, in particular to a bridge guardrail maintenance device. The utility model provides a bridge guardrail maintenance device includes grinding cover and synchronous subassembly, is provided with a plurality of steel pipes in the steel pipe of bridge guardrail in same region, and a plurality of steel pipes are in same vertical face, set up every grinding cover and set up in the outside of a steel pipe, and the staff can promote a plurality of grinding covers simultaneously to slide along the length direction of steel pipe, and the grinding cover rotates on the steel pipe simultaneously here, and the grinding on the grinding cover is polished to the steel pipe peripheral wall, and then improves the efficiency of polishing to a plurality of steel pipes in the same region. When the steel pipe is polished, the synchronous component controls the extrusion sleeves to apply the same extrusion force simultaneously, so that the positive pressure between each grinding surface and the steel pipe is ensured to be the same, and the polishing degree of the steel pipe by the grinding sleeves is ensured to be the same.
Description
Technical Field
The invention relates to the technical field of polishing equipment, in particular to a bridge guardrail maintenance device.
Background
The bridge guardrail is a guardrail arranged on a bridge, and aims to prevent a vehicle out of control from going out of the bridge, has the functions of making the vehicle break through, going down, crossing the bridge and beautifying bridge buildings, has a plurality of types, can be divided according to the installation positions, the constructional features, the anti-collision performance and other modes, and has the common guardrail forms of a concrete guardrail, a steel pipe guardrail and the like, wherein the steel pipe guardrail is generally used on the bridge.
The steel pipe needs to be polished and maintained regularly, wherein the concrete maintenance mode is to polish impurities originally remained on the surface of the steel pipe, and then carry out subsequent treatment to ensure that the steel has good protective performance. The existing steel pipe that polishes needs to polish with the help of grinding device, and conventional grinding device polishes the steel pipe one by one, and when polishing a plurality of steel pipes in same region, needs the staff to polish the steel pipe one by one, leads to the inefficiency of polishing, and the degree that simultaneously polishes to different steel pipes needs the workman independently to judge, if the inconsistent condition of degree of polishing appears in the steel pipe in same region, then influences and maintains the follow-up step to the steel pipe.
Disclosure of Invention
The invention provides a bridge guardrail maintenance device which aims at solving the problem that the polishing degrees of a plurality of steel pipes in the same area are inconsistent in the existing polishing device.
The invention relates to a bridge guardrail maintenance device which adopts the following technical scheme:
a bridge guardrail maintenance device comprises a grinding sleeve and a synchronous assembly.
The steel pipe grinding device comprises a plurality of grinding sleeves, wherein each grinding sleeve is rotatably sleeved on the outer side of one steel pipe, the side wall of each grinding sleeve, which is in contact with the steel pipe, is provided with a grinding surface, and each grinding sleeve can deform; each grinding sleeve is provided with an extrusion sleeve, and the extrusion sleeves can extrude the grinding sleeves; the synchronizing assembly is used for controlling the plurality of extrusion sleeves to apply the same extrusion force to the plurality of grinding sleeves simultaneously.
Further, the synchronization assembly comprises a bracket, a plurality of jacking rods and a plurality of first driving sources; the brackets are arranged on one side of the plurality of steel pipes; each jacking rod is arranged between the bracket and one extrusion sleeve, each jacking rod can be close to or far away from one extrusion sleeve, and when the jacking rod is close to the extrusion sleeve, the jacking rod extrudes the extrusion sleeve; the plurality of first driving sources are arranged on the bracket, and each first driving source drives the two jacking rods to be close to the extrusion sleeve.
Further, the first driving source includes a telescopic rod and a driving gear; the telescopic rod can be arranged in a telescopic way, one end of the telescopic rod is fixedly connected to the bracket, and the driving gear is rotatably arranged at the other end of the telescopic rod; each jacking rod is provided with a first rack and a second rack, and the first racks and the second racks are arranged in parallel; the drive gear can simultaneously engage a first rack on one of the jack bars and a second rack on an adjacent jack bar.
Further, the extrusion sleeve comprises a first valve and a second valve, one end of the first valve is hinged with one end of the second valve, the other end of the first valve is connected to the support, and the other end of the second valve is abutted against the tightening rod.
Further, a plurality of second driving sources are arranged on the bracket, and each second driving source is used for driving one grinding sleeve to rotate.
Further, the second driving source comprises a transmission sleeve and a driving motor, the driving motor is fixedly arranged on the bracket, and a driving gear is arranged on a power output shaft of the driving motor; the transmission sleeve is connected with the grinding sleeve, a tooth groove is formed in the peripheral wall of the transmission sleeve, and the driving gear can be meshed with the tooth groove in the peripheral wall of the transmission sleeve.
Further, the grinding sleeve is made of flexible materials, the grinding sleeve is of a non-closed-loop structure, and when the grinding sleeve is extruded by the extrusion sleeve, the grinding sleeve deforms.
Further, a plurality of auxiliary motors are arranged on the bracket, and auxiliary gears are arranged on power output shafts of the auxiliary motors; each grinding sleeve is connected with an auxiliary sleeve, the peripheral wall of the auxiliary sleeve is provided with a tooth slot, and an auxiliary gear of each auxiliary motor can be meshed with the tooth slot on the peripheral wall of one auxiliary sleeve.
Further, the transmission sleeve and the auxiliary sleeve can be divided into two halves.
Further, the lower end of the support is provided with a rolling wheel, and the rolling wheel can facilitate the support to slide along the length direction of the steel pipe.
The beneficial effects of the invention are as follows: the bridge guardrail maintenance device comprises the grinding sleeves and the synchronous assembly, wherein a plurality of steel pipes are arranged in the same area in the steel pipes of the bridge guardrail, each grinding sleeve is arranged on the outer side of one steel pipe, a worker can simultaneously push the plurality of grinding sleeves to slide along the length direction of the steel pipe, the grinding sleeves simultaneously rotate on the steel pipes, and the outer peripheral walls of the steel pipes are ground by grinding surfaces on the grinding sleeves, so that the grinding efficiency of the plurality of steel pipes in the same area is improved. When the steel pipe is polished, the synchronous component controls the extrusion sleeves to apply the same extrusion force simultaneously, so that the positive pressure between each grinding surface and the steel pipe is ensured to be the same, and the polishing degree of the steel pipe by the grinding sleeves is ensured to be the same.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a bridge guardrail maintenance device according to an embodiment of the present invention;
fig. 2 is a front view of a bridge guardrail maintenance apparatus according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is a partial enlarged view at B in FIG. 3;
fig. 5 is a schematic structural diagram of a part of a bracket, two grinding sleeves and the like in a bridge guardrail maintenance device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a grinding sleeve, a transmission sleeve, an auxiliary sleeve and the like in the bridge guardrail maintenance device according to the embodiment of the invention;
fig. 7 is a front view of a grinding sleeve, a transmission sleeve and an auxiliary sleeve in a bridge guardrail maintenance apparatus according to an embodiment of the present invention;
fig. 8 is a cross-sectional view taken along the direction C-C in fig. 7.
In the figure: 110. a steel pipe; 120. grinding the sleeve; 121. grinding the surface; 130. extruding the sleeve; 131. a first lobe; 132. a second lobe; 210. a bracket; 211. a mounting block; 212. a rolling wheel; 220. a pushing rod is tightly pressed; 221. a first rack; 222. a second rack; 230. a telescopic rod; 231. a drive spring; 240. a drive gear; 310. a driving motor; 320. a transmission sleeve; 321. a first arc plate; 322. a second arc plate; 323. a limit groove; 330. a drive gear; 340. an auxiliary motor; 350. an auxiliary sleeve; 360. an auxiliary gear; 410. and (5) a polish rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 8, the bridge guardrail maintenance apparatus according to the embodiment of the present invention includes a grinding sleeve 120 and a synchronization assembly.
The grinding sleeves 120 are provided with a plurality of grinding sleeves 120, each grinding sleeve 120 can be coaxially sleeved on the outer side of one steel pipe 110, each grinding sleeve 120 can rotate around the axis of the corresponding grinding sleeve 120 on the outer side of the steel pipe 110, the side wall, in contact with the steel pipe 110, of each grinding sleeve 120 is provided with a grinding surface 121, the grinding surface 121 is provided with a rough surface, and when the grinding sleeve 120 and the steel pipe 110 rotate relatively, the grinding surface 121 on the grinding sleeve 120 grinds the peripheral wall of the steel pipe 110. The grinding sleeve 120 is made of flexible material, in a specific arrangement, the grinding sleeve 120 is made of rubber material, when the grinding sleeve 120 is extruded, the grinding sleeve 120 can deform, after the grinding sleeve 120 is extruded, the positive pressure between the grinding surface 121 on the grinding sleeve 120 and the steel pipe 110 is increased, namely the grinding effect of the grinding surface 121 on the grinding sleeve 120 on the peripheral wall of the steel pipe 110 is increased. Each grinding sleeve 120 is provided with an extrusion sleeve 130, the extrusion sleeve 130 is rotationally connected with the grinding sleeve 120, the extrusion sleeve 130 is made of hard materials, and when the extrusion sleeve 130 is deformed, the extrusion degree of the extrusion sleeve 130 to the grinding sleeve 120 is changed. The synchronous component is used for controlling the plurality of extrusion sleeves 130 to apply the same extrusion force to the plurality of grinding sleeves 120 at the same time, and under the action of the synchronous component, the grinding effects of the grinding surfaces 121 on the plurality of grinding sleeves 120 on the plurality of steel pipes 110 are the same, so that the grinding degrees of the plurality of grinding sleeves 120 on the steel pipes 110 are consistent, and the convenience of subsequent processing is improved.
According to the bridge guardrail maintenance device disclosed by the invention, in the steel pipes 110 of the bridge guardrail, the plurality of steel pipes 110 are arranged in the same area, the plurality of steel pipes 110 are positioned in the same vertical plane, each grinding sleeve 120 is arranged on the outer side of one steel pipe 110, a worker can simultaneously push the plurality of grinding sleeves 120 to slide along the length direction of the steel pipe 110, the grinding sleeves 120 simultaneously rotate on the steel pipe 110, and the grinding surfaces 121 on the grinding sleeves 120 grind the peripheral walls of the steel pipes 110, so that the grinding efficiency of the plurality of steel pipes 110 in the same area is improved. In the initial state, the extrusion sleeve 130 arranged on the outer peripheral wall of the grinding sleeve 120 does not extrude the grinding sleeve 120, and when the steel pipe 110 is polished, the synchronous assembly controls the extrusion sleeves 130 to apply the same extrusion force simultaneously, so that the positive pressure between each grinding surface 121 and the steel pipe 110 is ensured to be the same, and the polishing degree of the steel pipe 110 by the grinding sleeves 120 is ensured to be the same.
In one embodiment, the synchronization assembly includes a bracket 210, a plurality of jack levers 220, and a plurality of first driving sources; the support 210 is provided at one side of the plurality of steel pipes 110, and in this embodiment, the support 210 is vertically provided, and the support 210 can be moved in the length direction of the steel pipes 110 by the pushing of the worker. Each tightening rod 220 is disposed between the support 210 and one extrusion sleeve 130, each tightening rod 220 is in a horizontal state, each tightening rod 220 is slidably connected with the support 210, so that each tightening rod 220 can approach or depart from one extrusion sleeve 130, when the tightening rod 220 approaches the extrusion sleeve 130, the tightening rod 220 extrudes the extrusion sleeve 130, and when in an initial state, the tightening rod 220 is in a state of not extruding the extrusion sleeve 130. The plurality of first driving sources are all arranged on the bracket 210, each first driving source drives two propping rods 220 to be close to the extrusion sleeve 130 at the same time, and two adjacent propping rods 220 can be driven by the same first driving source, wherein the number of the first driving sources is one less than that of the propping rods 220, the end part of the bracket 210 is provided with two propping rods 220, and each propping rod 220 at the end part of the bracket 210 is connected with one first driving source; the middle part of the bracket 210 is provided with a plurality of jacking rods 220, wherein each jacking rod positioned in the middle part of the bracket 210 is connected with two first driving sources, and each driving source applies the same extrusion force to the jacking rods 220, so that the grinding effect of the grinding sleeves 120 on the steel pipe 110 is consistent.
In one embodiment, the first drive source includes a telescoping rod 230 and a drive gear 240; the telescopic rod 230 can be arranged in a telescopic manner, the telescopic rod 230 and the jacking rod 220 are arranged in parallel, and the telescopic rod 230 can be automatically extended. One end of the telescopic rod 230, which is close to the bracket 210, is fixedly connected with the bracket 210, and the driving gear 240 is rotatably arranged at the other end of the telescopic rod 230. Each tightening rod 220 is provided with a first rack 221 and a second rack 222, the first rack 221 and the second rack 222 are arranged in parallel, the first rack 221 and the second rack 222 are arranged at intervals up and down, and the first rack 221 and the second rack 222 can be meshed with the driving gear 240. In this embodiment, in any one of the first driving sources, the first rack 221 is meshed with the driving gear 240, and the second rack 222 is meshed with the driving gear 240 in an adjacent first driving source, that is, the driving gear 240 can simultaneously mesh the first rack 221 on one of the jack levers 220 and the second rack 222 on an adjacent jack lever 220. When the telescopic links 230 of the plurality of first driving sources are simultaneously extended, the driving gears 240 on the plurality of telescopic links 230 are simultaneously moved. It can be understood that two adjacent tightening rods 220 are selected at will, each tightening rod 220 abuts against one extrusion sleeve 130, a first rack 221 and a second rack 222 are connected to each tightening rod 220, a driving gear 240 connected to the telescopic rod 230 is meshed with the first rack 221 on one tightening rod 220 and the second rack 222 on the other tightening rod 220, if the extrusion degrees of the two tightening rods 220 to the extrusion sleeves 130 are different, when the telescopic rod 230 extends, the driving gear 240 rotates, and the extrusion degrees of the two tightening rods 220 to the two extrusion sleeves 130 are kept consistent through the transmission of the first rack 221 and the second rack 222.
In one embodiment, the extruding sleeve 130 includes a first lobe 131 and a second lobe 132, one end of the first lobe 131 and one end of the second lobe 132 are hinged, the other end of the first lobe 131 is connected to the bracket 210, the other end of the second lobe 132 abuts against the tightening rod 220, when the tightening rod 220 slides on the bracket 210, the tightening rod 220 can push the end of the second lobe 132, and when the second lobe 132 approaches the first lobe 131, the second lobe 132 and the first lobe 131 jointly extrude the grinding sleeve 120, so as to increase the friction force between the grinding surface 121 and the steel pipe 110.
In one embodiment, the support 210 is provided with a plurality of second driving sources, each of which is used to drive one of the grinding sleeves 120 to rotate. In a specific arrangement, the second driving source includes a transmission sleeve 320 and a driving motor 310, the driving motor 310 is fixedly arranged on the bracket 210, and a driving gear 330 is arranged on a power output shaft of the driving motor 310. The driving sleeve 320 is connected with the grinding sleeve 120, specifically, a limit key is fixedly arranged on the grinding sleeve 120, a limit groove 323 is arranged on the driving sleeve 320, the limit key can be inserted into the limit groove 323, and when the driving sleeve 320 rotates, the grinding sleeve 120 rotates through the transmission of the limit key. The peripheral wall of the driving sleeve 320 is provided with tooth grooves, the driving gear 330 can be meshed with the tooth grooves on the peripheral wall of the driving sleeve 320, when the driving motor 310 is started, the driving gear 330 rotates, the grinding sleeve 120 rotates through the transmission of the driving sleeve 320 and the limit key, and the rotation of the grinding sleeve 120 gradually polishes the steel pipe 110.
In one embodiment, the grinding sleeve 120 is in a non-closed-loop structure, when the extrusion sleeve 130 extrudes the grinding sleeve 120, the grinding sleeve 120 deforms, and the non-closed-loop structure of the grinding sleeve 120 can reserve a space for deformation of the grinding sleeve 120, so that deformation of the extrusion sleeve 130 when extruding the grinding sleeve 120 is ensured.
In one embodiment, a plurality of auxiliary motors 340 are provided on the support 210, and one auxiliary gear 360 is provided on the power output shaft of each auxiliary motor 340, and each auxiliary gear 360 is coaxially disposed with one driving gear 330. An auxiliary sleeve 350 is connected to each grinding sleeve 120, the auxiliary sleeve 350 and the transmission sleeve 320 are positioned at two ends of the grinding sleeve 120 in the length direction, tooth grooves are formed in the peripheral wall of the auxiliary sleeve 350, and the auxiliary gear 360 of each auxiliary motor 340 can be meshed with the tooth grooves in the peripheral wall of one auxiliary sleeve 350. In a further arrangement, the auxiliary sleeve 350 is provided with a socket, the grinding sleeve 120 is provided with a socket block, the socket block can be inserted into the socket, and when the auxiliary gear 360 rotates, the grinding sleeve 120 is driven to rotate by the transmission of the socket block. In the present embodiment, the grinding sleeve 120 can be prevented from being distorted by driving the rotation of the grinding sleeve 120 using the auxiliary motor 340 together with the active motor.
In one embodiment, the transmission sleeve 320 and the auxiliary sleeve 350 can be divided into two halves, in a specific arrangement, the transmission sleeve 320 is divided into a first arc plate 321 and a second arc plate 322, one end of the first arc plate 321 and one end of the second arc plate 322 are rotationally connected, the other end of the first arc plate 321 and the other end of the second arc plate 322 are connected through locking screws, tooth grooves are formed in the first arc plate 321 and the second arc plate 322, and the thickness of the driving gear 330 is larger than the sum of the thicknesses of the first arc plate 321 and the second arc plate 322, namely, the driving gear 330 can be meshed with the tooth grooves in the first arc plate 321 or the second arc plate 322. The auxiliary sleeve 350 is divided into a third arc plate and a fourth arc plate, one ends of the third arc plate and the fourth arc plate are rotationally connected, the other ends of the third arc plate and the fourth arc plate are connected through locking screws, tooth grooves are formed in the third arc plate and the fourth arc plate, the thickness of the auxiliary gear 360 is larger than the sum of the thicknesses of the third arc plate and the fourth arc plate, namely the auxiliary gear 360 can be meshed with the tooth grooves in the third arc plate and the fourth arc plate, and convenience in installing the auxiliary gear 360 and the driving gear 330 is improved.
In one embodiment, the rolling wheel 212 is disposed at the lower end of the bracket 210, the rolling wheel 212 can facilitate the bracket 210 to slide along the length direction of the steel pipe 110, so that the support of the bracket 210 by a worker is reduced, and the worker only needs to push the bracket 210 to move along the length direction of the steel pipe 110 when the steel pipe 110 needs to be polished, thereby improving the convenience of operation.
In one embodiment, the telescopic rod 230 includes a fixing portion and a sliding portion, one end of the fixing portion is fixedly connected to the bracket 210, a sliding cavity is provided in the fixing portion, one end of the sliding portion is slidably inserted into the sliding cavity, a driving spring 231 is provided in the sliding cavity, and the driving spring 231 can push the sliding portion to slide in the sliding cavity, that is, the driving spring 231 can drive the telescopic rod 230 to stretch.
In other embodiments, the drive spring 231 is a hydraulic telescoping cylinder, or the drive spring 231 is a pneumatic telescoping cylinder, which provides continuous power for the extension of the telescoping rod 230 when the telescoping rod 230 needs to be extended.
In one embodiment, the inner side wall of the extrusion sleeve 130 is provided with a plurality of polished rods 410, each polished rod 410 is parallel to the axis of the extrusion sleeve 130, the polished rods 410 are uniformly distributed on the inner peripheral wall of the extrusion sleeve 130, each polished rod 410 can rotate around the axis of the extrusion sleeve, the outer peripheral wall of each polished rod 410 is smoothly arranged, friction between the extrusion sleeve 130 and the outer peripheral wall of the grinding sleeve 120 is reduced under the action of the polished rods 410, and the service life of the grinding sleeve 120 is prolonged.
In one embodiment, the bracket 210 can be divided into a plurality of mounting blocks 211, two adjacent mounting blocks 211 are fixedly connected through bolts, the height of each mounting block 211 in the vertical direction is equal to the distance between two adjacent steel pipes 110, each telescopic rod 230 is connected with one mounting block 211, and in the practical application process, the number of the mounting blocks 211 is reasonably selected according to the number of the steel pipes 110, so that the convenience of mounting the bracket 210 is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. A bridge railing maintenance device, comprising:
the steel pipe grinding device comprises a plurality of grinding sleeves, wherein each grinding sleeve is rotatably sleeved on the outer side of one steel pipe, the side wall of each grinding sleeve, which is in contact with the steel pipe, is provided with a grinding surface, and each grinding sleeve can deform; each grinding sleeve is provided with an extrusion sleeve, and the extrusion sleeves can extrude the grinding sleeves;
the synchronous assembly is used for controlling the plurality of extrusion sleeves to apply the same extrusion force to the plurality of grinding sleeves simultaneously;
the synchronous assembly comprises a bracket, a plurality of jacking rods and a plurality of first driving sources; the brackets are arranged on one side of the plurality of steel pipes; each jacking rod is arranged between the bracket and one extrusion sleeve, each jacking rod can be close to or far away from one extrusion sleeve, and when the jacking rod is close to the extrusion sleeve, the jacking rod extrudes the extrusion sleeve; the plurality of first driving sources are arranged on the bracket, and each first driving source drives the two jacking rods to be close to the extrusion sleeve at the same time;
the extrusion sleeve comprises a first valve and a second valve, one end of the first valve is hinged with one end of the second valve, the other end of the first valve is connected with the bracket, and the other end of the second valve is abutted against the tightening rod;
the bracket is provided with a plurality of second driving sources, and each second driving source is used for driving one grinding sleeve to rotate;
the second driving source comprises a transmission sleeve and a driving motor, the driving motor is fixedly arranged on the bracket, and a driving gear is arranged on a power output shaft of the driving motor; the transmission sleeve is connected with the grinding sleeve, a tooth groove is formed in the peripheral wall of the transmission sleeve, and the driving gear can be meshed with the tooth groove on the peripheral wall of the transmission sleeve;
the grinding sleeve is made of flexible materials, the grinding sleeve is of a non-closed-loop structure, and when the grinding sleeve is extruded by the extrusion sleeve, the grinding sleeve deforms.
2. The bridge railing maintenance apparatus of claim 1, wherein: the first driving source comprises a telescopic rod and a driving gear; the telescopic rod can be arranged in a telescopic way, one end of the telescopic rod is fixedly connected to the bracket, and the driving gear is rotatably arranged at the other end of the telescopic rod; each jacking rod is provided with a first rack and a second rack, and the first racks and the second racks are arranged in parallel; the drive gear can simultaneously engage a first rack on one of the jack bars and a second rack on an adjacent jack bar.
3. The bridge railing maintenance apparatus of claim 1, wherein: a plurality of auxiliary motors are arranged on the bracket, and auxiliary gears are arranged on power output shafts of the auxiliary motors; each grinding sleeve is connected with an auxiliary sleeve, the peripheral wall of the auxiliary sleeve is provided with a tooth slot, and an auxiliary gear of each auxiliary motor can be meshed with the tooth slot on the peripheral wall of one auxiliary sleeve.
4. A bridge railing maintenance apparatus according to claim 3, wherein: the transmission sleeve and the auxiliary sleeve can be divided into two halves.
5. The bridge railing maintenance apparatus of claim 1, wherein: the lower extreme of support is provided with the wheel that rolls, rolls the wheel and can be convenient for support and slide along the length direction of steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410032320.9A CN117532419B (en) | 2024-01-10 | 2024-01-10 | Bridge guardrail maintenance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410032320.9A CN117532419B (en) | 2024-01-10 | 2024-01-10 | Bridge guardrail maintenance device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117532419A CN117532419A (en) | 2024-02-09 |
| CN117532419B true CN117532419B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410032320.9A Active CN117532419B (en) | 2024-01-10 | 2024-01-10 | Bridge guardrail maintenance device |
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| CN (1) | CN117532419B (en) |
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| KR100814157B1 (en) * | 2007-02-14 | 2008-03-14 | 정영수 | Air presser tube type polishing device |
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| DE202013005028U1 (en) * | 2013-06-01 | 2014-06-02 | WIDAKON Systemtechnik UG (haftungsbeschränkt) | Device for receiving a pipe to be ground |
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| CN112720215A (en) * | 2020-12-21 | 2021-04-30 | 霍丽娟 | Machining device for steel pipe |
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| CN218837047U (en) * | 2022-10-17 | 2023-04-11 | 成都捷安顺科技有限公司 | Railing polishing device |
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| CN117532419A (en) | 2024-02-09 |
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