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CN-121973069-A - Rust removal device for pre-buried exposed reinforcing steel bars of building engineering

CN121973069ACN 121973069 ACN121973069 ACN 121973069ACN-121973069-A

Abstract

The invention belongs to the technical field of rust removal, and discloses a rust removal device for pre-buried exposed steel bars in building engineering, which comprises a support frame, a steel bar main body, a guide assembly and a rust removal assembly, wherein the guide assembly is arranged on the support frame, and the rust removal assembly is arranged on the guide assembly. According to the invention, the first supporting rod and the winding wheel are driven to rotate positively and negatively by the second driving motor, the winding belt is wound and loosened in the rotating process of the winding wheel, the storage wheel and the second supporting rod are pulled to rotate to compress the coil spring by the other end of the winding belt, the winding wheel reversely loosens one end of the winding belt, and at the moment, the storage wheel resets the winding belt under the action of the coil spring, so that rust on the outer part of the reinforcing steel bar main body is removed through the grinding surface by reciprocating motion of the belt, and in the process, the polishing belt is spirally wound on the outer part of the reinforcing steel bar main body to conduct polishing treatment, so that the contact area between the polishing belt and the outer part of the reinforcing steel bar main body is increased, the polishing efficiency is improved, the polishing uniformity is ensured, and the labor force is reduced.

Inventors

  • WU SHENGHONG
  • WU XIAOFENG
  • ZHANG JIANJUN
  • ZHANG WEI
  • LIN MAOBO

Assignees

  • 温州市东风建筑工程公司

Dates

Publication Date
20260505
Application Date
20260319

Claims (10)

  1. 1. The utility model provides a pre-buried exposed reinforcing bar rust cleaning device of building engineering, includes support frame (1) and reinforcing bar main part (2), its characterized in that still includes: the guide assembly (3) is arranged on the support frame (1); the rust removing assembly (4), the rust removing assembly (4) is installed on the guide assembly (3); the storage assembly (5) is arranged on the guide assembly (3), and the rust removing assembly (4) and the storage assembly (5) move along the guide assembly (3) to remove rust outside the steel bar main body (2); The rust removing assembly (4) comprises a second driving motor (41) arranged on the guide assembly (3), a first bearing piece (44) is fixedly arranged at the bottom of the second driving motor (41) through a butt joint frame (42), a first supporting rod (45) positioned in the first bearing piece (44) is assembled at the output end of the second driving motor (41), a winding wheel (46) is sleeved outside the first supporting rod (45), and a polishing belt (48) is connected to the outside of the winding wheel (46); the storage assembly (5) comprises a second bearing piece (51) connected to the guide assembly (3) through a bearing frame (52), a storage wheel (54) is sleeved in the second bearing piece (51) through a second supporting rod (56), the other end of the polishing belt (48) is wound on the outer portion of the storage wheel (54), and a coil spring (53) is arranged at the top of the second supporting rod (56).
  2. 2. The pre-buried exposed reinforcement bar rust cleaning device of building engineering according to claim 1, wherein one end of the polishing belt (48) is connected to the outside of the winding wheel (46), the other end is wound on the outside of the storing wheel (54), and the coil spring (53) is in a relaxed state.
  3. 3. The rust removing device for the pre-buried exposed reinforcing steel bar of the building engineering according to claim 1, wherein the storage wheel (54) is higher than the winding wheel (46), the polishing belt (48) is spirally wound outside the reinforcing steel bar main body (2), and the polishing surface of the polishing belt (48) is in contact with the reinforcing steel bar main body (2); the second driving motor (41) is a stepping motor and is used for driving the first supporting rod (45) and the winding wheel (46) to wind and loosen the polishing belt (48).
  4. 4. The rust removing device for the pre-buried exposed reinforcing steel bar of the building engineering according to claim 1, wherein the rolling wheel (46) is sleeved outside the first supporting rod (45), the first cover plate (47) is arranged at the bottom of the first supporting rod (45) through bolts, and the rolling wheel (46) is fixed on the first supporting rod (45); The storage wheel (54) is sleeved outside the second support rod (56), the second cover plate (55) is mounted at the bottom of the second support rod (56) through bolts, and the storage wheel (54) is fixed outside the second support rod (56); the second supporting rod (56) and the first supporting rod (45) are both in a hexagonal shape.
  5. 5. The rust removing device for the exposed reinforcement bars embedded in the building engineering according to claim 4, wherein a vertical groove (58) is formed in the side portion of the second bearing piece (51), a clamping piece (57) is fixedly arranged outside the second bearing piece (51) and located at the vertical groove (58), and a supporting piece (59) arranged in the vertical groove (58) is fixedly arranged on the second cover plate (55).
  6. 6. The pre-buried exposed reinforcement bar rust cleaning device of building engineering according to claim 5, wherein the length of the said clamp (57) is adapted to the width of the polishing belt (48); The storage wheel (54) is located in the second bearing piece (51), the polishing belt (48) passes through the vertical groove (58) and the clamping piece (57), the second cover plate (55) is installed at the bottom of the second bearing piece (51), the abutting piece (59) is clamped in the vertical groove (58), and the top of the abutting piece is in contact with the side portion of the clamping piece (57) and the polishing belt (48).
  7. 7. The rust removing device for the pre-buried exposed reinforcing steel bars of the building engineering according to claim 1, wherein the guide assembly (3) comprises a guide rod (31) and a threaded rod (32) which are fixedly arranged on the support frame (1), a sleeved transmission part (35) is sleeved on the external thread of the threaded rod (32), a connecting frame (33) is sleeved on the external part of the sleeved transmission part (35), and the connecting frame (33) is composed of two sleeves which are respectively sleeved on the sleeved transmission part (35) and the guide rod (31); The support connecting ring (30) sleeved outside the first bearing piece (44) is fixedly arranged outside the connecting frame (33).
  8. 8. The rust removing device for the pre-buried exposed reinforcement bar of the building engineering according to claim 7, wherein a first transmission gear (36) is fixedly arranged at the top of the sleeved transmission member (35), and a second transmission gear (43) meshed with the first transmission gear (36) is fixedly arranged at the top of the abutting frame (42); The teeth of the first transmission gear (36) are arc-shaped sheets.
  9. 9. The building engineering embedded exposed steel bar rust removing device according to claim 8, wherein a protective cover (34) sleeved outside the transmission gear II (43) and the transmission gear I (36) is arranged outside the sleeved transmission part (35); The outside of the sleeve joint transmission piece (35) is fixedly provided with a transmission wheel II (39), the protection cover (34) is provided with a driving motor I (37), the output end of the driving motor I (37) is provided with a transmission wheel I (38), and the transmission wheel I (38) and the transmission wheel II (39) are transmitted through a belt.
  10. 10. The rust removing device for the pre-buried exposed reinforcing steel bar of the building engineering according to claim 9, wherein one end of the bearing frame (52) is connected with the supporting connecting ring (30), and the other end is connected with the bearing piece II (51); The first driving motor (37) drives the sleeve-joint transmission piece (35) and the first transmission gear (36) to move upwards along the threaded rod (32), and the second bearing piece (51) and the first bearing piece (44) are respectively driven to move upwards synchronously through the connecting frame (33), the supporting connecting ring (30) and the bearing frame (52).

Description

Rust removal device for pre-buried exposed reinforcing steel bars of building engineering Technical Field The invention belongs to the technical field of rust removal, and particularly relates to a rust removal device for pre-buried exposed steel bars in a building engineering. Background In the construction engineering, the pre-buried exposed reinforcing bars refer to reinforcing bars which are pre-buried inside a concrete member and have their ends or parts of their length intentionally exposed to the outside of the concrete surface. The core design function of the concrete composite material is to provide reliable connection interfaces and anchoring conditions for subsequent structural members (such as secondarily poured concrete, steel structure nodes or mechanical connectors), however, if the pre-embedded exposed reinforcing steel bars are not subjected to temporary protection measures or are in an exposed state for a long time, rust problems are easily caused by environmental corrosion, the connection strength of the reinforcing steel bars and the subsequent structure is further weakened, and the durability of the whole structure is obviously threatened. In the current engineering practice, the pre-buried exposed reinforcing steel bars are mainly applied to welding connection or mechanical connection (such as sleeve grouting connection, threaded sleeve connection and the like), and the existence of rust products can cause technical hidden dangers, namely, in the welding process, rust layers can cause defects of cold joint, air holes and the like, in the mechanical connection, the friction coefficient of contact surfaces can be reduced, sliding failure (typical cases are sleeve grouting connection failure in assembly type buildings) is induced, and the conventional industry generally adopts a process of rust polishing by a manually operated angle grinder, but due to the cylindrical geometric characteristics of the reinforcing steel bars, the contact area between a plane grinding disc of the angle grinder and a curved surface of the reinforcing steel bars is limited, so that polishing efficiency is low, polishing is uneven and labor intensity is high. Disclosure of Invention In order to solve the problems in the prior art, the invention provides a rust removing device for pre-buried exposed steel bars in construction engineering, which solves the problems of low polishing efficiency, uneven polishing and high labor intensity caused by limited contact area between a plane millstone of an angle grinder and a curved surface of the steel bars in the conventional angle grinder. In order to achieve the aim, the invention provides the following technical scheme that the rust removing device for the pre-buried exposed steel bars of the building engineering comprises a support frame and a steel bar main body, and further comprises: The guide assembly is arranged on the support frame; the rust removing assembly is arranged on the guide assembly; The storage component is arranged on the guide component, and the rust removing component and the storage component move along the guide component to remove rust on the outer part of the steel bar main body; The rust removing assembly comprises a second driving motor arranged on the guide assembly, a first supporting piece is fixedly arranged at the bottom of the second driving motor through a butt joint frame, a first supporting rod positioned in the first supporting piece is assembled at the output end of the second driving motor, a winding wheel is sleeved outside the first supporting rod, and a polishing belt is connected to the outside of the winding wheel; the storage assembly comprises a second bearing piece connected to the guide assembly through a bearing frame, a storage wheel is sleeved in the second bearing piece through a second supporting rod, the other end of the polishing belt is wound on the outer portion of the storage wheel, and a coil spring is arranged at the top of the second supporting rod. Preferably, one end of the polishing belt is connected to the outside of the winding wheel, the other end is wound on the outside of the storage wheel, and the coil spring is in a relaxed state. Preferably, the height of the storage wheel is higher than that of the winding wheel, the polishing belt is spirally wound outside the steel bar main body, and the polishing surface of the polishing belt is in contact with the steel bar main body; The second driving motor is a stepping motor and is used for driving the first supporting rod and the winding wheel to wind and relax the polishing belt. Preferably, the winding wheel is sleeved outside the first support rod, the first cover plate is mounted at the bottom of the first support rod through a bolt, and the winding wheel is fixed on the first support rod; the storage wheel is sleeved outside the second support rod, the second cover plate is mounted at the bottom of the second support rod through bolts, and the stora