CN213672023U

CN213672023U - Be applied to adjustable sword of novel direction that sleeper embedded casing took out

Info

Publication number: CN213672023U
Application number: CN202022310778.6U
Authority: CN
Inventors: 刘岩
Original assignee: Zhengzhou Zhonglin Intelligent Technology Co ltd
Current assignee: Zhengzhou Zhonglin Intelligent Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-07-13
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a be applied to adjustable sword of novel direction that sleeper embedded casing taken out, including the cubic connecting key, the core drill bores the body, the locator, adjustable blade, set screw and from setting up the subassembly, the cubic connecting key is located core drill body both ends respectively with the locator, the core drill bores and is equipped with the chip groove on the body, the core drill bores the body and is close to locator one end and is equipped with the blade mounting groove, blade fixed thread hole and set up the groove, set up the groove in blade mounting groove top, set up the groove both sides and be equipped with elasticity and set up the chamber, blade fixed thread hole sets up with the blade mounting groove is perpendicular with the groove of setting up, adjustable blade is located in the blade mounting groove, set up the intracavity with elasticity set up from the tight subassembly of setting up. The utility model relates to a pre-buried sleeve pipe takes out equipment among the rail transit sleeper specifically is one kind can the portable adjust the cutting blade and stretch out core drill brill body length to adapt to the cutting of the pre-buried sleeve pipe of different diameter nylon, and be convenient for realize the adjustable sword of novel direction of cutting blade.

Description

Be applied to adjustable sword of novel direction that sleeper embedded casing took out

Technical Field

The utility model relates to a pre-buried sleeve pipe equipment of taking out among the rail transit sleeper specifically is a novel direction adjustable sword that is applied to sleeper pre-buried sleeve pipe and takes out.

Background

The embedded sleeve made of nylon materials is used for fixing the fixing bolt and the rail in the prior sleepers such as high-speed rails, light rails and subways, but in practical use, the sleeve is easily subjected to the impact of alternating load after being combined with the fixing bolt, so that the sliding wire of the embedded sleeve is easy to lose efficacy, and the embedded sleeve needs to be replaced in time.

In the current engineering construction and maintenance, the replacement method is to directly take out the embedded sleeve from the sleeper drill hole by adopting a water drill, but the taking-out method can damage the sleeper and wastes time and labor. Therefore, the invention patent of China with the authorization number of CN105350412B provides a multifunctional pre-embedded sleeve taking-out drill bit, and the problem is solved through the cooperation of an outer cutter head and an inner cutter head.

However, the diameters of the existing sleeper embedded sleeves are different in size, cutting blades with different sizes need to be equipped for cutting the nylon sleeves, the cutting blades are worn after long-time cutting, the cutting blades need to be replaced, and the blades on the existing embedded sleeve taking-out drill bit are not easy to replace, so that the service life of the embedded sleeve taking-out drill bit and the taking-out efficiency of the embedded sleeve are influenced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming current technical defect, the utility model provides a can the portable adjust cutting blade and stretch out core drill brill body length to adapt to the cutting of the pre-buried sleeve pipe of different diameter nylon, and be convenient for realize the novel direction adjustable sword of cutting blade.

The utility model adopts the following technical scheme: the utility model relates to a novel guide adjustable knife applied to taking out of a sleeper embedded sleeve, which comprises a square connecting key, a hollow drill body, a positioner, an adjustable blade, a fixing screw and a self-fastening component, wherein the square connecting key and the positioner are respectively arranged at two ends of the hollow drill body, the hollow drill body is provided with a chip groove, one end of the hollow drill body, which is close to the positioner, is provided with a blade mounting groove, a blade fixing threaded hole and a fastening groove, the fastening groove is positioned above the blade mounting groove, two sides of the fastening groove are provided with an elastic fastening cavity, the blade fixing threaded hole is vertically arranged with the blade mounting groove and the fastening groove, the blade fixing threaded hole is communicated with the blade mounting groove and the fastening groove, the adjustable blade is arranged in the blade mounting groove, the adjustable blade comprises a tool bit and an installation tool handle, the installation tool handle is provided with a fixing hole in a penetrating, the mounting tool handle is arranged in the blade mounting groove, the tool bit is positioned outside the hollow drill body, the fixing screw penetrates through the fixing hole and the blade fixing threaded hole, the adjustable blade is fixed on the hollow drill body, the fixing screw is provided with a fastening anti-falling hole, the fixing screw is provided with an indicating arrow, the hollow drill body is provided with an auxiliary indicating arrow, and the self-fastening assembly is arranged in the fastening groove and the elastic fastening cavity; the self-fastening assembly comprises a fastening head, a fastening column, a fastening spring and a guide column, wherein the fastening column is arranged in a fastening groove, the fastening spring is arranged in an elastic fastening cavity, the guide column is arranged on the fastening spring, the fastening head is arranged on the fastening column and the guide column, the fastening column is arranged in the fastening groove and in the fastening anti-falling hole, and the fixing screw is prevented from falling off when the hollow drill body works.

Furthermore, the installation tool shank is provided with a plurality of fixing holes, so that the length of the tool bit extending out of the hollow drill body can be adjusted, and the cutting requirements of embedded sleeves with different diameters can be met.

Furthermore, the cutter head of the adjustable blade comprises a first-level cutting cutter head and a second-level cutting cutter head, and the first-level cutting cutter head and the second-level cutting cutter head finish layered cutting, so that the cutting efficiency is improved, and the wear degree of the cutter head is reduced.

Further, the adjustable blade is high strength alloy steel.

Further, the inclination angle of the primary cutting tool bit and the secondary cutting tool bit is 15-20 degrees.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: according to the novel guide adjustable cutter applied to taking out of the sleeper embedded sleeve, the adjustable blade is stably and fixedly installed on the hollow drill body through the fixing screw, the fixing screw is stably fixed in the hollow drill body through the self-fastening assembly, and the fixing screw is prevented from falling off along with the rotation of the hollow drill body; meanwhile, due to the arrangement of the fastening spring of the self-fastening assembly, the fixing screw is fixed conveniently and quickly, and the installation is convenient and quick; in addition, the arrangement of a plurality of groups of fixing holes in the mounting tool handle of the adjustable blade realizes the length adjustment of the adjustable blade extending out of the hollow drill body, so that the adjustable blade can adapt to embedded sleeves with different diameters.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a novel guide adjustable cutter applied to taking out a sleeper embedded sleeve of the utility model;

fig. 2 is a schematic view of a cross-sectional structure of the novel guide adjustable knife applied to taking out a sleeper embedded casing according to the present invention;

fig. 3 is a partially enlarged view of a portion a of fig. 2;

fig. 4 is a partially enlarged view of a portion B of fig. 2.

The hollow drill comprises a square connecting key 1, a square connecting key 2, a hollow drill body 3, a positioner 4, an adjustable blade 5, a fixing screw 6, a self-fastening assembly 7, a chip groove 8, a blade mounting groove 9, a blade fixing threaded hole 10, a fastening groove 11, a tool bit 12, a mounting tool shank 13, a fixing hole 14, a fastening anti-dropping hole 15, a fastening head 16, a fastening column 17, a fastening spring 18, a guide column 19, a primary cutting tool bit 20, a secondary cutting tool bit 21 and an elastic fastening cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-4, the technical scheme adopted by the utility model is as follows: the utility model relates to a novel guide adjustable knife applied to taking out of a sleeper embedded sleeve, which comprises a square connecting key 1, a hollow drill body 2, a positioner 3, an adjustable blade 4, a fixing screw 5 and a self-fastening component 6, wherein the square connecting key 1 and the positioner 3 are respectively arranged at two ends of the hollow drill body 2, a chip discharge groove 7 is arranged on the hollow drill body 2, one end of the hollow drill body 2 close to the positioner 3 is provided with a blade mounting groove 8, a blade fixing threaded hole 9 and a fastening groove 10, the fastening groove 10 is positioned above the blade mounting groove 8, two sides of the fastening groove 10 are provided with elastic fastening cavities 21, the blade fixing threaded hole 9 is vertically arranged with the blade mounting groove 8 and the fastening groove 10, the blade fixing threaded hole 9 is communicated with the blade mounting groove 8 and the fastening groove 10, the adjustable blade 4 is arranged in the blade mounting groove 8, the adjustable handle blade 4 comprises a tool bit 11 and a mounting 12, a fixing hole 13 is arranged on the mounting 12 in, the mounting tool shank 12 is arranged in the blade mounting groove 8, the tool bit 11 is positioned outside the hollow drill body 2, the fixing screw 5 penetrates through the fixing hole 13 and the blade fixing threaded hole 9, the adjustable blade 4 is fixed on the hollow drill body 2, the fixing screw 5 is provided with a fastening anti-falling hole 14, the fixing screw 5 is provided with an indicating arrow, the hollow drill body 2 is provided with an auxiliary indicating arrow, the indicating arrow corresponds to the auxiliary indicating arrow in an initial state, the fixing screw 5 is inserted into the blade fixing threaded hole 9 and screwed, when the fixing screw is completely screwed into the fixing threaded hole 9, the fastening anti-falling hole 14 just corresponds to the fastening groove 10, and the self-fastening assembly 6 is arranged in the fastening groove 10 and the elastic fastening cavity 21; the self-tightening assembly 6 comprises a tightening head 15, a tightening column 16, a tightening spring 17 and a guide column 18, wherein the tightening column 16 is arranged in the tightening groove 10, the tightening spring 17 is arranged in an elastic tightening cavity 21, the guide column 18 is arranged on the tightening spring 17, the tightening head 15 is arranged on the tightening column 16 and the guide column 18, and the tightening column 16 is arranged in the tightening groove 10 and the tightening anti-dropping hole 14 to prevent the fixing screw 5 from dropping off when the hollow drill body 2 works.

Wherein, be equipped with a plurality of fixed orificess 13 on the installation handle of a knife 12 to adjust the length that the tool bit 11 stretches out the core drill body 2, thereby satisfy the cutting demand of the buried sleeve of different diameters. The cutter head 11 of the adjustable blade 4 comprises a primary cutting cutter head 19 and a secondary cutting cutter head 20, and the primary cutting cutter head 19 and the secondary cutting cutter head 20 finish layered cutting, so that the cutting efficiency is improved, and the wear degree of the cutter head 11 is reduced. The adjustable blade 4 is a high strength alloy steel. The angle of inclination of the primary cutting tip 19 and the secondary cutting tip 20 is 15-20 °.

When in specific use, the depth of the blade 4 extending into the blade mounting groove 8 can be adjusted and adjusted according to the diameter of the embedded sleeve which is taken out as required, the adjustable blade 4 is fixed on the hollow drill body 2 by the fixing screw 5 penetrating through the fixing hole 13 and the blade fixing threaded hole 9, in the process, the fastening head 15 is pulled, the fastening head 15 pulls the fastening stud 16 out of the fastening slot 10, so that the fixing screw 5 is smoothly screwed into the insert fixing threaded hole 9, at which time the guide post 18 pulls the tightening spring 17 to expand, and when the fixing screw 5 is completely screwed into the insert fixing threaded hole 9, the tightening head 15 is loosened, the fastening post 16 is inserted into the fastening escape preventing hole 14 and the fastening groove 10 by the elastic restoring force of the fastening spring 17, the fixing screw 5 is fixed, the fixing screw 5 is prevented from falling off in the rotary working process of the hollow drill body 2, and then the hollow drill body 2 is installed on the electric drill head through the square connecting key 1 to be used.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be applied to adjustable sword of novel direction that sleeper embedded casing took out which characterized in that: the adjustable blade comprises a square connecting key, a hollow drill body, a positioner, an adjustable blade, a fixing screw and a self-fastening assembly, wherein the square connecting key and the positioner are respectively arranged at two ends of the hollow drill body, a chip discharge groove is formed in the hollow drill body, one end, close to the positioner, of the hollow drill body is provided with a blade mounting groove, a blade fixing threaded hole and a fastening groove, the fastening groove is positioned above the blade mounting groove, elastic fastening cavities are formed in two sides of the fastening groove, the blade fixing threaded hole is vertically arranged with the blade mounting groove and the fastening groove, the blade fixing threaded hole is communicated with the blade mounting groove and the fastening groove, the adjustable blade is arranged in the blade mounting groove and comprises a blade head and an installation handle, a fixing hole is arranged in the installation handle in a penetrating manner, the installation is arranged in the blade mounting groove and is positioned outside the hollow drill body, the fixing screw penetrates through the fixing hole and the blade fixing threaded hole, a fastening anti-falling hole is formed in the fixing screw, an indicating arrow is arranged on the fixing screw, an auxiliary indicating arrow is arranged on the hollow drill body, and the self-fastening assembly is arranged in the fastening groove and the elastic fastening cavity; the self-fastening assembly comprises a fastening head, a fastening column, a fastening spring and a guide column, wherein the fastening column is arranged in a fastening groove, the fastening spring is arranged in an elastic fastening cavity, the guide column is arranged on the fastening spring, the fastening head is arranged on the fastening column and the guide column, and the fastening column is arranged in the fastening groove and in a fastening anti-falling hole.

2. The novel guide adjustable knife applied to taking out of sleeper embedded sleeve according to claim 1 is characterized in that: and a plurality of fixing holes are formed in the mounting knife handle.

3. The novel guide adjustable knife applied to taking out of sleeper embedded sleeve according to claim 1 is characterized in that: the tool bit of the adjustable blade comprises a first-stage cutting tool bit and a second-stage cutting tool bit.

4. The novel guide adjustable knife applied to taking out of sleeper embedded sleeve according to claim 1 is characterized in that: the adjustable blade is made of high-strength alloy steel.

5. The novel guide adjustable knife applied to taking out of sleeper embedded sleeve according to claim 3 is characterized in that: the inclination angle of the first-stage cutting tool bit and the second-stage cutting tool bit is 15-20 degrees.