CN116460978A - Bridge pit concrete filling device - Google Patents

Bridge pit concrete filling device Download PDF

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Publication number
CN116460978A
CN116460978A CN202310589448.0A CN202310589448A CN116460978A CN 116460978 A CN116460978 A CN 116460978A CN 202310589448 A CN202310589448 A CN 202310589448A CN 116460978 A CN116460978 A CN 116460978A
Authority
CN
China
Prior art keywords
wall
fixedly connected
rod
filling device
bridge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310589448.0A
Other languages
Chinese (zh)
Inventor
韩洪举
郭吉平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Communications Construction Group Co ltd
Original Assignee
Guizhou Communications Construction Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Communications Construction Group Co ltd filed Critical Guizhou Communications Construction Group Co ltd
Priority to CN202310589448.0A priority Critical patent/CN116460978A/en
Publication of CN116460978A publication Critical patent/CN116460978A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10—Mixing in containers not actuated to effect the mixing
    • B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/29—Producing shaped prefabricated articles from the material by profiling or strickling the material in open moulds or on moulding surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0806—Details; Accessories

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention discloses a bridge pit concrete filling device which comprises a base, wherein a stirring barrel is fixedly connected to the outer wall of the upper side of the base, a mixing device is arranged above the base, a first motor is fixedly connected to the outer wall of the base, a discharging assembly is fixedly connected to the output shaft of the first motor, an auxiliary device is fixedly connected to the bottom of the base, and the mixing device comprises a second motor. This bridge hole concrete filling device passes through mixing arrangement, the use of row's material subassembly and auxiliary device, makes the device mix the concrete fast, and simultaneously at the mixing process, the puddler can swing from top to bottom, improves the mixed effect of concrete to can carry out uniform unloading at the uniform velocity when the unloading is filled, and after the hole is filled, the trowelling plate can be fast to the concrete after filling trowelling, does not need the staff to carry out trowelling, reduces staff's intensity of labour.

Description

Bridge pit concrete filling device
Technical Field
The invention relates to the technical field of bridge pit filling, in particular to a bridge pit concrete filling device.
Background
The bridge is a bridge surface with cement concrete as a main material for a surface layer, the cement bridge is plain concrete, reinforced concrete, continuous reinforced concrete and the like, and in the long-time use process of the bridge, the bridge surface is influenced by extrusion force and external cold and hot air, so that the condition of sinking or damage of the bridge surface is caused, defects such as pits and cracks are formed, and local filling, pouring, repairing and maintenance are needed.
At present, when the existing bridge pit concrete filling device is used for filling a bridge surface, concrete can be filled in large pits through a large machine, and small pits or pits are filled in small pits or pits, so that the large machine concrete is inconvenient to fill and use particularly under the condition that a plurality of groups of small pits or pits are formed, the small filling device is carried by staff to fill, after filling is completed, the staff can perform trowelling through trowelling tools, and therefore improvement can be carried out on the large machine concrete filling device, and the labor intensity of the staff is reduced; in view of this, we propose a bridge pit concrete filling device.
Disclosure of Invention
The invention mainly aims to provide a bridge pit concrete filling device which can solve the problems in the background technology.
In order to achieve the above purpose, the bridge pit concrete filling device provided by the invention comprises a base, wherein a stirring barrel is fixedly connected to the outer wall of the upper side of the base, a mixing device is arranged above the base, a first motor is fixedly connected to the outer wall of the base, a discharging component is fixedly connected to the output shaft of the first motor, an auxiliary device is fixedly connected to the bottom of the base, and the mixing device comprises:
the second motor is fixedly connected to the outer wall of the stirring barrel;
the rotating rod is fixedly connected to the output shaft of the second motor;
the stirring rod is hinged to the outer wall of the rotating rod;
and the cleaning component is rotationally connected to the inner wall of the top of the stirring barrel.
Preferably, the outer wall of the stirring rod is hinged with a vertical rod, and the lower part of the stirring rod is provided with a hinged rod.
Preferably, the bottom of bull stick is provided with the elastic expansion link, and is articulated with the articulated lever on the outer wall of elastic expansion link, the one end that elastic expansion link was kept away from to the articulated lever articulates on the slider, and slider sliding connection is in the downside of puddler.
Preferably, the cleaning assembly comprises a rotary table, the rotary table is rotationally connected to the inner wall of the top of the stirring barrel, a limiting groove is formed in the inner wall of the rotary table, and the limiting groove is clamped with an elastic telescopic clamping rod.
Preferably, the elastic telescopic clamping rod is fixedly connected to the outer wall of the rotating rod, a connecting rod is fixedly connected to the outer wall of the rotating disc, and a cleaning scraping plate is fixedly connected to one end, away from the rotating disc, of the connecting rod.
Preferably, the auxiliary device comprises an electric push rod, the electric push rod is inlaid and installed at the bottom of the base, a trowelling plate is fixedly connected to the output end of the electric push rod, a cushion block is connected to the inner wall of the trowelling plate in a sliding manner, and the cushion block is elastically connected with the inner wall of the trowelling plate through a reset spring.
Preferably, the mounting plate is fixedly connected to the outer wall of the sliding block, the pressing plate is fixedly connected to the lower portion of the mounting plate, the spade plate is fixedly connected to the outer wall of the spade plate, and the through hole is formed in the outer wall of the spade plate.
Preferably, the discharging assembly comprises a rotating shaft, the rotating shaft is fixedly connected to an output shaft of the motor I, the rotating shaft penetrates through the discharging roller and is fixedly connected with the discharging roller, a wedge plate is fixedly connected to the outer wall of the discharging roller, and a fixing plate is fixedly connected to the outer wall of the rotating shaft.
Preferably, the outer wall of the base is provided with a through groove.
Preferably, the top of the stirring barrel is communicated with a feed inlet, and the bottom of the stirring barrel is communicated with a discharge outlet.
Advantageous effects
The invention provides a bridge pit concrete filling device. The beneficial effects are as follows:
(1) This bridge hole concrete filling device passes through mixing arrangement, the use of row's material subassembly and auxiliary device, makes the device mix the concrete fast, and at the in-process that mixes simultaneously, the puddler can swing from top to bottom, improves the mixed effect of concrete to can carry out at uniform velocity even unloading when the unloading is filled, and after the hole is filled, the trowelling board can be fast to the concrete after filling trowelling, does not need the staff to carry out trowelling, reduces staff's intensity of labour.
(2) This bridge hole concrete filling device passes through the use of clearance subassembly, rotates anticlockwise through motor output shaft, can drive the clearance scraper blade and strike off the concrete that adheres to on the agitator inner wall, when preventing that the concrete is extravagant, avoids the concrete to follow-up solidification after not being cleaned, reduces the degree of difficulty of staff's clearance.
(3) This bridge hole concrete filling device passes through the use of row's material subassembly and auxiliary device, makes the shovel dull and stereotyped behind the concrete to filling shovel, and concrete can be formed in shovel dull and stereotyped top, at the rotation in-process of fixed plate, can extrude the mounting panel and move downwards, compresses reset spring, and then makes the clamp plate can push down, passes through the opening with the concrete downwardly extrusion on the shovel dull and stereotyped, makes the concrete of filling can be compacted, and then improves the effect that bridge hole was filled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall apparatus of the present invention;
FIG. 2 is a schematic view showing a bottom perspective structure of the present invention;
FIG. 3 is a schematic view of the present invention in elevation and partially in section;
FIG. 4 is a schematic top cross-sectional view of a cleaning assembly of the present invention;
FIG. 5 is a schematic view of the structure A in FIG. 3 according to the present invention;
FIG. 6 is a schematic view of the structure B of FIG. 3 according to the present invention;
FIG. 7 is a schematic view of a discharge assembly according to the present invention;
fig. 8 is a schematic structural view of an auxiliary device of the present invention.
Reference numerals illustrate: 1. a base; 2. a stirring barrel; 3. a mixing device; 4. a first motor; 5. a discharge assembly; 6. an auxiliary device; 101. a through groove; 21. a feed inlet; 22. a discharge port; 31. a second motor; 32. a rotating rod; 33. a stirring rod; 34. a vertical rod; 35. cleaning the assembly; 36. a hinge rod; 321. an elastic telescopic rod; 331. a slide block; 351. a turntable; 352. a limit groove; 353. an elastic telescopic clamping rod; 354. a connecting rod; 355. cleaning a scraping plate; 51. a rotating shaft; 52. a discharging roller; 53. wedge plates; 54. a fixing plate; 61. an electric push rod; 62. a troweling plate; 63. a cushion block; 64. a return spring; 65. a mounting plate; 66. a pressing plate; 67. a spade plate; 68. and (5) a through hole.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
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.
Referring to fig. 1-8, the invention provides a bridge pit concrete filling device, which comprises a base 1, wherein a stirring barrel 2 is fixedly connected to the outer wall of the upper side of the base 1, the top of the stirring barrel 2 is communicated with a feed inlet 21, the bottom of the stirring barrel 2 is communicated with a discharge outlet 22, concrete raw materials are added into the stirring barrel 2 through the feed inlet 21, meanwhile, the discharge outlet 22 can flow out mixed concrete, the concrete is convenient to discharge, a mixing device 3 is arranged above the base 1, the mixing device can be used for quickly mixing the concrete, meanwhile, in the mixing process, a stirring rod 33 can swing up and down, the mixing effect of the concrete is improved, the mixing device 3 comprises a motor II 31, the motor II 31 is fixedly connected to the outer wall of the stirring barrel 2, a rotating rod 32 is fixedly connected to the output shaft of the motor II 31, the stirring rod 33 is hinged on the outer wall of the rotating rod 32, the cleaning component 35 is rotationally connected on the inner wall of the top of the stirring barrel 2, through the use of the cleaning component 35, the concrete adhered on the inner wall of the stirring barrel 2 can be scraped, the concrete is prevented from being cleaned after being solidified later while being wasted, the cleaning difficulty of workers is reduced, the motor 4 is fixedly connected on the outer wall of the base 1, the discharging component 5 is fixedly connected on the output shaft of the motor 4, uniform discharging can be carried out when the concrete fills the bridge pits through the use of the discharging component 5, the auxiliary device 6 is fixedly connected at the bottom of the base 1, through the use of the auxiliary device 6, the filled concrete can be quickly screeded after the bridge pits are completed, the screeded workers are not needed, the labor intensity of the workers is reduced, meanwhile, the filled concrete can be compacted, so that the filling effect of the bridge pits is improved.
In the embodiment of the invention, in order to rapidly stir concrete, so that concrete is more uniformly mixed, bridge pits are conveniently filled later, specifically, a vertical rod 34 is hinged on the outer wall of a stirring rod 33, a hinged rod 36 is arranged below the stirring rod 33, an elastic telescopic rod 321 is arranged at the bottom of a rotating rod 32, the outer wall of the elastic telescopic rod 321 is hinged with the hinged rod 36, one end of the hinged rod 36 far away from the elastic telescopic rod 321 is hinged on a sliding block 331, the sliding block 331 is slidably connected to the lower side of the stirring rod 33, when the elastic telescopic rod 321 is extruded to move upwards, the sliding block 331 can be driven to move under the action of the hinged rod 36, meanwhile, the stirring rod 33 is driven to rotate upwards, the swinging of the stirring rod 33 is realized, and when an output shaft of a motor II 31 drives the rotating rod 32 to rotate, concrete can be rapidly stirred, so that the effect of mixing concrete is improved.
Further, in order to enable the device to uniformly discharge at a uniform speed, meanwhile, the device is convenient to compact filled concrete, specifically, a through groove 101 is formed in the outer wall of the base 1, the discharging assembly 5 comprises a rotating shaft 51, the rotating shaft 51 is fixedly connected to an output shaft of the motor I4, the rotating shaft 51 penetrates through the discharging roller 52 and is fixedly connected with the discharging roller 52, a wedge plate 53 is fixedly connected to the outer wall of the discharging roller 52, a fixing plate 54 is fixedly connected to the outer wall of the rotating shaft 51, the rotating shaft 51 can be driven to rotate in a anticlockwise mode through the output shaft of the motor I4, the discharging roller 52 is driven to rotate, quantitative discharging of concrete is achieved under the action of the wedge plate 53, and meanwhile, the elastic telescopic rod 321 can be extruded when the wedge plate 53 rotates, so that the elastic telescopic rod 321 can ascend, and accordingly the stirring rod 33 can be driven to swing.
Further, in order to enable concrete to fill the bridge hole after completion, can carry out trowelling and compaction to the concrete that the filling was accomplished, specifically, auxiliary device 6 includes electric putter 61, electric putter 61 inlays the bottom of installing at base 1, fixedly connected with trowelling plate 62 on electric putter's the output, sliding connection has cushion 63 on the inner wall of trowelling plate 62, cushion 63 and trowelling plate 62's inner wall passes through reset spring 64 elastic connection, fixedly connected with mounting panel 65 on the outer wall of cushion 63, and mounting panel 65's below fixedly connected with clamp plate 66, fixedly connected with trowelling plate 67 on trowelling plate 62's the outer wall, the through-put 68 has been seted up on trowelling plate 67's the outer wall, through electric putter 61's use, rethread device's removal, trowelling plate 67 is to the concrete of filling, unnecessary concrete moves to trowelling plate 67's top, simultaneously when driving fixed plate 54 and rotates at pivot, can extrude 65, make mounting panel 65 move down, compress reset spring 64, and then clamp plate 66 can be pushed down, can fill the concrete through the flat plate 68 by the effect of pressing down, and the concrete hole can be accomplished by the realization personnel through the realization of the bridge hole, and the concrete filling effect of the concrete hole is further reduced.
In the embodiment of the invention, in order to scrape the concrete attached to the inner wall of the stirring barrel 2 and prevent the phenomenon that the concrete is not well cleaned after the subsequent solidification while preventing the concrete from being wasted, specifically, the cleaning component 35 comprises a rotary plate 351, the rotary plate 351 is rotationally connected to the top inner wall of the stirring barrel 2, a limiting groove 352 is formed in the inner wall of the rotary plate 351, when the elastic telescopic clamping rod 353 rotates clockwise through the use of the limiting groove 352, the telescopic end of the elastic telescopic clamping rod 353 can be compressed, the limiting groove 352 is clamped with the elastic telescopic clamping rod 353, the elastic telescopic clamping rod 353 is fixedly connected to the outer wall of the rotary plate 32, a connecting rod 354 is fixedly connected to the outer wall of the rotary plate 351, and one end of the connecting rod 354 far away from the rotary plate 351 is fixedly connected with a cleaning scraper 355.
In the invention, when the concrete mixer is used, firstly, raw materials of concrete are added into the mixing drum 2, then the motor II 31 is started, the output shaft of the motor II 31 rotates clockwise to drive the rotating rod 32 to rotate clockwise to mix the stirring rod 33, in the process, the elastic telescopic clamping rod 353 rotates clockwise, the telescopic end of the elastic telescopic clamping rod 353 is compressed and does not drive the rotary table 351 to rotate, the motor I4 is started again, the output shaft of the motor I4 rotates anticlockwise to drive the rotating shaft 51 to rotate, and then the discharging roller 52 is driven to rotate, the quantitative discharging of the concrete is realized under the action of the wedge plate 53, meanwhile, the wedge plate 53 can squeeze the elastic telescopic rod 321 to enable the elastic telescopic rod 321 to rise, and under the action of the hinging rod 36, the sliding block 331 can be driven to move, and meanwhile, the stirring rod 33 is driven to rotate upwards, and accordingly, the stirring rod 33 can be driven to swing.
Meanwhile, after the concrete hole filling is completed, through the use of the electric push rod 61, the trowelling plate 62 can be driven to be in contact with the bridge surface, the shoveling plate 67 can level the filled concrete through the movement of the device, redundant concrete moves to the upper side of the shoveling plate 67, meanwhile, when the rotating shaft 51 drives the fixing plate 54 to rotate, the mounting plate 65 can be extruded, the mounting plate 65 can be downwards moved, the reset spring 64 is compressed, the pressing plate 66 can be downwards pressed, the concrete on the shoveling plate 67 is downwards extruded to pass through the through hole 68, the filled concrete can be compacted, the filling effect of the bridge hole is improved, and the filled concrete can be smoothed through the trowelling plate 62.
Meanwhile, after the work is completed, the output shaft of the motor II 31 rotates anticlockwise, the rotating rod 32 can be driven to rotate anticlockwise, and then the elastic telescopic clamping rod 353 is driven to rotate anticlockwise, so that the telescopic end of the elastic telescopic clamping rod 353 is held by the limiting groove 352, and then the rotary disc 351 is driven to rotate anticlockwise, and the cleaning scraper 355 can clean concrete attached to the inner wall of the stirring barrel 2.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (10)

1. The utility model provides a bridge hole concrete filling device, includes base (1), its characterized in that: fixedly connected with agitator (2) on the upside outer wall of base (1), the top of base (1) is provided with mixing arrangement (3), fixedly connected with motor (4) on the outer wall of base (1), fixedly connected with row material subassembly (5) on the output shaft of motor (4), the bottom fixedly connected with auxiliary device (6) of base (1), mixing arrangement (3) include:
the second motor (31) is fixedly connected to the outer wall of the stirring barrel (2);
the rotating rod (32), the said rotating rod (32) is fixedly connected to output shaft of the second motor (31);
the stirring rod (33) is hinged to the outer wall of the rotating rod (32);
and the cleaning component (35) is rotationally connected to the inner wall of the top of the stirring barrel (2).
2. The bridge pit concrete filling device according to claim 1, wherein: the outer wall of the stirring rod (33) is hinged with a vertical rod (34), and a hinged rod (36) is arranged below the stirring rod (33).
3. The bridge pit concrete filling device according to claim 2, wherein: the bottom of bull stick (32) is provided with elasticity telescopic link (321), and articulated with articulated rod (36) on the outer wall of elasticity telescopic link (321), the one end that elasticity telescopic link (321) was kept away from to articulated rod (36) articulates on slider (331), and slider (331) sliding connection is in the downside of puddler (33).
4. The bridge pit concrete filling device according to claim 1, wherein: the cleaning component (35) comprises a rotary table (351), the rotary table (351) is rotationally connected to the inner wall of the top of the stirring barrel (2), a limiting groove (352) is formed in the inner wall of the rotary table (351), and the limiting groove (352) is clamped with an elastic telescopic clamping rod (353).
5. The bridge pit concrete filling device according to claim 4, wherein: the elastic telescopic clamping rod (353) is fixedly connected to the outer wall of the rotating rod (32), a connecting rod (354) is fixedly connected to the outer wall of the rotating disc (351), and a cleaning scraping plate (355) is fixedly connected to one end, away from the rotating disc (351), of the connecting rod (354).
6. The bridge pit concrete filling device according to claim 1, wherein: auxiliary device (6) are including electric putter (61), electric putter (61) inlay the bottom of installing in base (1), fixedly connected with screed (62) on the output of electric putter (61), sliding connection has cushion (63) on the inner wall of screed (62), cushion (63) are through reset spring (64) elastic connection with the inner wall of screed (62).
7. The bridge pit concrete filling device according to claim 6, wherein: fixedly connected with mounting panel (65) on the outer wall of cushion (63), and the below fixedly connected with clamp plate (66) of mounting panel (65), fixedly connected with shovel flat board (67) on the outer wall of screed (62), set up through-hole (68) on the outer wall of shovel flat board (67).
8. The bridge pit concrete filling device according to claim 1, wherein: the discharging assembly (5) comprises a rotating shaft (51), the rotating shaft (51) is fixedly connected to an output shaft of the motor I (4), the rotating shaft (51) penetrates through the discharging roller (52) and is fixedly connected with the discharging roller (52), a wedge plate (53) is fixedly connected to the outer wall of the discharging roller (52), and a fixing plate (54) is fixedly connected to the outer wall of the rotating shaft (51).
9. The bridge pit concrete filling device according to claim 1, wherein: a through groove (101) is formed in the outer wall of the base (1).
10. The bridge pit concrete filling device according to claim 1, wherein: the top of agitator (2) is linked together there is feed inlet (21), the bottom of agitator (2) is linked together there is discharge gate (22).
CN202310589448.0A 2023-05-24 2023-05-24 Bridge pit concrete filling device Pending CN116460978A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310589448.0A CN116460978A (en) 2023-05-24 2023-05-24 Bridge pit concrete filling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310589448.0A CN116460978A (en) 2023-05-24 2023-05-24 Bridge pit concrete filling device

Publications (1)

Publication Number Publication Date
CN116460978A true CN116460978A (en) 2023-07-21

Family

ID=87177224

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310589448.0A Pending CN116460978A (en) 2023-05-24 2023-05-24 Bridge pit concrete filling device

Country Status (1)

Country Link
CN (1) CN116460978A (en)

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