CN211518096U

CN211518096U - Beam-end anchor cave chisel hair instrument

Info

Publication number: CN211518096U
Application number: CN201922001617.6U
Authority: CN
Inventors: 李赵九; 左凯; 王和欢; 吴金国; 王明刚; 程拥军; 周凯勇; 詹群豪
Original assignee: China Tiesiju Civil Engineering Group Co Ltd CTCE Group; Fifth Engineering Co Ltd of CTCE Group
Current assignee: China Tiesiju Civil Engineering Group Co Ltd CTCE Group; Fifth Engineering Co Ltd of CTCE Group
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-18
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a beam end anchor recess chiseling tool, which comprises a driving motor, wherein the output shaft of the driving motor is connected with a cutter drum; at least one group of side blade supports are installed on the side face of the cutter drum, and knocking blades are movably sleeved on the side blade supports. When the driving motor is started, the knocking blade is thrown out continuously to achieve the purpose of chiseling the hole wall of the anchor recess hole. In the chiseling process of the chiseling tool, the counterforce generated by the wall of the anchor recess hole on the knocking blade is transmitted to the side blade support, and then the side blade support reacts on the knocking blade, so that on one hand, the knocking blade knocks different positions of the wall of the anchor recess hole, and the chiseling effect is good; on the other hand, the reaction of the utility model to the human body arm is small, the labor intensity is small, and the working efficiency is high. The utility model discloses an embedded chisel hair design develops the sword drum rather than shape looks adaptation according to the size in beam-ends anchor cave hole, realizes the high-efficient high quality chisel hair in anchor cave hole, and then improves the bonding strength who seals anchor concrete and the roof beam body.

Description

Beam-end anchor cave chisel hair instrument

Technical Field

The utility model belongs to the technical field of the precast box girder construction of high-speed railway, concretely relates to beam-ends anchor cave chisel hair instrument.

Background

In the construction of the precast box girder of the high-speed railway, the roughening construction of the anchor recess hole at the beam end is one of the important processes of the precast box girder, and the quality of the roughening of the anchor recess hole at the beam end directly influences the integral quality of the combination of the anchor sealing concrete and the beam body, and even influences the service life of an anchorage device and a prestressed tendon. At present, the situation that smooth surface chiseling is not thorough and time and labor are wasted due to the adoption of a manual chiseling method is found through comparison in anchor recess chiseling construction; the smooth surface of the air pump type chiseling machine can be chiseled, but due to the fact that the position of an anchor hole is narrow, chiseling construction is not efficient, and chiseling quality is difficult to control.

Disclosure of Invention

The utility model aims at providing a beam-ends anchor cave hole chisel hair instrument to beam-ends anchor cave hole chisel hair unstable quality and the problem that efficiency is not high among the solution prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

a beam-end anchor cave roughening tool comprises a driving motor, wherein an output shaft of the driving motor is connected with a cutter drum; the side of the knife drum is provided with at least one group of side blade supports, and the side blade supports are movably sleeved with knocking blades. Because the knocking blade is movably sleeved on the side blade support, when the driving motor is started, the knocking blade is thrown out continuously by taking the side blade support as a shaft so as to knock the anchor recess hole, and the aim of chiseling the wall of the anchor recess hole is fulfilled. The utility model adopts the eccentric throwing and roughening principle, the reaction force generated by the wall of the anchor hole to the knocking blade in the roughening process can be transmitted to the corresponding side blade bracket, and then the side blade bracket reacts to the knocking blade, so that on one hand, different positions of the wall of the anchor hole are knocked, and the roughening quality is good; on the other hand, the reaction of the utility model to the human body arm is small, the labor intensity is small, and the working efficiency is high.

According to the further scheme, the middle of the knocking blade is provided with a mounting hole, and the aperture of the mounting hole is larger than the diameter of the side blade support. The diameter of the mounting hole is larger than that of the side blade support, so that the knocking blade can be movably sleeved on the side blade support.

In a further scheme, the cutter drum comprises a top plate, a bottom plate and a supporting plate which is arranged between the top plate and the bottom plate and is used for fixedly connecting the top plate and the bottom plate, and the diameter of the top plate is smaller than that of the bottom plate; the side blade support is fixedly mounted between the top plate and the bottom plate. The cutter drum is designed into a circular truncated cone shape with a small upper part and a large lower part, so that the shape of the cutter drum is matched with that of the anchor hole, and the quality and the effect of chiseling are improved.

In a further scheme, a positioning boss is arranged in the middle of the top surface of the top plate. The locating effect through the location boss in the chisel hair in-process can improve efficiency of construction and construction quality.

According to the further scheme, at least one group of end face blade supports are installed on the top plate, and the knocking blades are movably sleeved on the end face blade supports. In the scabbling process, the knocking blade arranged on the end face blade support is used for knocking the inner end face of the beam end anchor hole to achieve the purpose of scabbling on the vertical face. Preferably, the number of the end face blade supports is three, and the three end face blade supports are uniformly distributed on the top plate.

In a further scheme, an operating handle is installed on the driving motor. The chiseling tool is held by an operating handle to chiseling the anchor recess hole at the beam end, and the operation is convenient.

In a further scheme, the number of the side blade supports is three. Further preferably, the three groups of side blade supports are uniformly distributed on the peripheral side of the knife drum.

In a further scheme, a fixing hole is formed in the bottom of the cutter drum, and the cutter drum is fixedly connected with an output shaft of the driving motor through the fixing hole.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model adopts the eccentric throwing and roughening principle, the movable sleeve of the knocking blade is arranged on the corresponding side blade bracket, the reaction force generated by the wall of the anchor hole to the knocking blade in the roughening process can be transmitted to the side blade bracket, and then the reaction force of the side blade bracket is acted on the blade, so that the blade knocks different positions of the wall of the anchor hole on one hand, and the roughening quality is good; on the other hand, the reaction of the utility model to the human body arm is small, the labor intensity is small, and the working efficiency is high.

(2) The utility model adopts the embedded type roughening design, and develops the cutter drum matched with the shape of the anchor hole according to the size of the anchor hole at the beam end; when the chisel is roughened, only need to put into anchor cave downthehole with the sword drum, open driving motor, can all-roundly chisel the hair to whole anchor cave hole, realize the high-efficient high quality chisel hair in anchor cave hole, and then improve the bonding strength of sealing anchor concrete and roof beam body.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a knocking blade;

FIG. 3 is a first structural view of a cutter drum;

FIG. 4 is a second structural view of the drum (without the striking blade);

FIG. 5 is a second schematic view of the construction of the drum (with the striking blade);

reference numerals: 1-driving motor, 2-knife drum, 201-top plate, 202-bottom plate, 203-supporting plate, 204-positioning boss, 3-knocking blade, 4-mounting hole, 5-operating handle, 7-side blade support, 8-fixing hole and 9-end surface blade support.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is to be understood that, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are intended to be construed broadly, and may include, for example, a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The term "slip sleeve" means that the two components are nested together and are capable of relative movement.

As shown in fig. 1-4, a beam-end anchor recess chiseling tool comprises a driving motor 1, and an operating handle 5 is mounted on the driving motor 1. The chiseling tool is held by the operating handle 5 to chiseling the anchor recess hole at the beam end, so that the operation is convenient; the output shaft of the driving motor 1 is connected with a cutter drum 2, the bottom of the cutter drum 2 is provided with a fixing hole 8, and the cutter drum 2 is fixedly connected with the output shaft of the driving motor 1 through the fixing hole 8; at least one group of side blade support 7 is installed to the week side of sword drum 2, the movable sleeve is equipped with strikes blade 3 on the side blade support 7. As an embodiment of the present invention, the number of the side blade holders 7 is three groups, and the three groups of side blade holders are uniformly distributed around the cutter drum 2. The cutter drum 2 comprises a top plate 201, a bottom plate 202 and a supporting plate 203 which is arranged between the top plate 201 and the bottom plate 202 and is used for fixedly connecting the top plate 201 and the bottom plate 202; the diameter of the top plate 201 is smaller than that of the bottom plate 202, and the cutter drum is designed to be in a circular truncated cone shape with a small upper part and a large lower part, so that the shape of the cutter drum is matched with that of the anchor hole, and the quality and the effect of chiseling are improved. The side blade support 7 is fixedly mounted between the top plate 201 and the bottom plate 202. The middle part of the knocking blade 3 is provided with a mounting hole 4, and the aperture of the mounting hole 4 is larger than the diameter of the side blade support 7. Because the aperture of the mounting hole 4 is larger than the diameter of the side blade support 7, the knocking blade 3 can be movably sleeved on the side blade support 7, and when the driving motor 1 is started, the knocking blade 3 is thrown out continuously by taking the side blade support 7 as an axis so as to knock the anchor hole, so that the aim of chiseling the hole wall of the anchor hole is fulfilled. The utility model adopts the eccentric throwing and roughening principle, the reaction force generated by the wall of the anchor hole to the knocking blade in the roughening process can be transmitted to the corresponding side blade bracket, and then the side blade bracket reacts to the knocking blade, so that the knocking blade strikes different positions of the wall of the anchor hole on one hand, and the roughening quality is good; on the other hand, the reaction of the utility model to the human body arm is small, the labor intensity is small, and the working efficiency is high.

As shown in fig. 3, as a preferred embodiment of the present invention, a positioning boss 204 is installed at the middle of the top surface of the top plate 201. The positioning effect of the positioning boss 204 can improve the construction efficiency and the construction quality in the scabbling process.

As shown in fig. 4-5, as another embodiment of the present invention, at least a set of end blade supports 9 is installed on the top plate 201, and the striking blade 3 is movably sleeved on the end blade supports 9. In the scabbling process, the knocking blade arranged on the end face blade support 9 is used for knocking the inner end face of the beam end anchor hole to achieve the purpose of scabbling on the vertical face. Further preferably, the number of the end blade holders 9 is three, and the three end blade holders 9 are uniformly distributed on the top plate 201.

During operation, handheld operating handle 5 fills in anchor cave downthehole with sword drum 2, ensures that the sword drum top is contradicted to the hole deepest, opens driving motor 1, and driving motor 1 drive sword drum 2 is rotatory, and then drives and strikes blade 3 and rotate, strikes the pore wall in anchor cave hole. During the knocking process, the speed can be properly adjusted. And after observing that the inner surface of the anchor cavity hole is carved to meet the requirements, taking out the cutter drum, and performing roughening on the hole position of the next anchor cavity hole. The utility model provides a chisel hair instrument in the construction of railway precast beam yard case roof beam anchor cave chisel hair, because it possesses easy operation, the chisel hair is fast, the roughness is pleasing to the eye, of high quality, and it is swift convenient to use, and reaction force is little, characteristics such as efficiency height have general popularization and application and worth.

Claims

1. The utility model provides a beam-end anchor cave chisel hair instrument which characterized in that: comprises a driving motor (1), wherein the output shaft of the driving motor (1) is connected with a cutter drum (2); the side of sword drum (2) is installed at least a set of side blade support (7), the activity cover is equipped with strikes blade (3) on side blade support (7).

2. The beam-end anchor pocket gouging tool of claim 1, wherein: the middle part of the knocking blade (3) is provided with a mounting hole (4), and the aperture of the mounting hole (4) is larger than the diameter of the side blade support (7).

3. The beam-end anchor pocket gouging tool of claim 1, wherein: the cutter drum (2) comprises a top plate (201), a bottom plate (202) and a supporting plate (203) which is arranged between the top plate (201) and the bottom plate (202) and is used for fixedly connecting the top plate (201) and the bottom plate (202); the diameter of the top plate (201) is smaller than that of the bottom plate (202); the side blade support (7) is fixedly arranged between the top plate (201) and the bottom plate (202).

4. The beam-end anchor pocket gouging tool of claim 3, wherein: and a positioning boss (204) is arranged in the middle of the top surface of the top plate (201).

5. The beam-end anchor pocket gouging tool of claim 3, wherein: install at least a set of terminal surface blade support (9) on roof (201), the activity cover is equipped with strikes blade (3) on terminal surface blade support (9).

6. The beam-end anchor pocket gouging tool of claim 5, wherein: the number of the end face blade supports (9) is three, and the three end face blade supports (9) are uniformly distributed on the top plate (201).

7. A beam-end anchor pocket roughening tool as claimed in any one of claims 1 to 6 wherein: an operating handle (5) is installed on the driving motor (1).

8. A beam-end anchor pocket roughening tool as claimed in any one of claims 1 to 6 wherein: the number of the side blade supports (7) is three; the three groups of side blade brackets (7) are uniformly distributed on the periphery of the knife drum (2).

9. A beam-end anchor pocket roughening tool as claimed in any one of claims 1 to 6 wherein: the bottom of the cutter drum (2) is provided with a fixing hole (8), and the cutter drum (2) is fixedly connected with an output shaft of the driving motor (1) through the fixing hole (8).