KR101110242B1 - A underground utilities indicator - Google Patents

Abstract

The present invention is an underground buried indicator embedded in the ground to indicate the location of the buried, hollow cylindrical body; A guide having a guide head coupled to an upper portion of the body and having a hollow cylindrical shape protruding from the guide head and having a sleeve inserted into the body; An elastic member inserted into an inner diameter of the sleeve; An actuating weight coupled to the free end of the elastic member; An operation bar hinged to an operation bar support portion protruding from an outer surface of the sleeve, the operation bar being in contact with the operation weight of the sleeve and bent to rotate; An inner bar hinged at one end of the inner bar support portion protruding from the outer surface of the sleeve to expose the other end to the outside of the body and to rotate the operation bar by rotation; Smoke discharge portion seated inside the body to be spaced apart from the lower side of the sleeve and the chemical is embedded; When exposed to the outside during the excavation work of the ground is applied to the impact smoke is discharged by the elastic action of the elastic member As the chemicals charged inside the smoke exhaust unit vaporize into colored smoke, the colored smoke is discharged to the outside so that the excavation worker can know the location of underground buried pipe accurately and visually. It works.

Description

Underground buried indicator {A UNDERGROUND UTILITIES INDICATOR}

The present invention relates to an underground buried indicator, and more particularly, to an underground buried indicator that can accurately display the position of the pipe buried in the ground to prevent damage of the buried pipe.

In general, various pipes such as water and sewage pipes, and electric and communication cable pipes are buried in the ground for various reasons such as damage prevention. Underground buried indicators are used to indicate the location and direction of buried pipes.

Due to various constructions, the buried pipe is often excavated with the buried ground, and the underground buried indicator is buried in the ground to prevent damage of the buried pipe.

As the underground buried indicator, plastic rectangular plate-like protection plates or polyvinyl chloride (PVC) protection sheets are mainly used.

The protection plate or protective sheet used as a conventional underground buried indicator is located in the ground of the upper area of the various buried pipes buried in the ground, such protection plate or protective sheet is exposed to the outside during the excavation work of the ground and buried in the lower area By informing the worker that the pipe is located, it prevents the damage of the buried pipe.

However, in the case of using the protection plate as an underground buried indicator as described above, the location of the protection plate is often moved from the original position due to the excavation work of the ground, and the protection plate is easily broken, so that the worker can easily see the protection plate during the excavation work. Sometimes it can't be.

In this case, the worker has not been able to accurately check the position of the protective plate proceeding the excavation work, or the buried material is not visible to the naked eye, there is a problem that can damage the pipe buried underground.

In addition, when the night or the weather is not good, the operator has a limit to visually check the protective plate or protective sheet.

This, in turn, results in a decrease in functionality and usability of the underground buried indicator.

The present invention is exposed to the outside during the excavation work of the ground when the impact is applied to the colored smoke filled inside is discharged to the outside can be confirmed that the pipe is buried in the underground pipe excavation worker buried underground The purpose of the present invention is to provide the underground buried indicator which can prevent the breakage of the buried pipe by accurately knowing the position of.

The present invention is an underground buried indicator embedded in the ground to indicate the location of the buried, hollow cylindrical body; A guide having a guide head coupled to an upper portion of the body and having a hollow cylindrical shape protruding from the guide head and having a sleeve inserted into the body; An elastic member inserted into an inner diameter of the sleeve; An actuating weight coupled to the free end of the elastic member; An operation bar hinged to an operation bar support portion protruding from an outer surface of the sleeve, the operation bar being in contact with the operation weight of the sleeve and bent to rotate; An inner bar hinged at one end of the inner bar support portion protruding from the outer surface of the sleeve to expose the other end to the outside of the body and to rotate the operation bar by rotation; It is composed of; smoke discharge portion which is seated in the body spaced apart from the lower side of the sleeve and the chemical is embedded.

 In addition, the present invention is one end of the working weight is conical, the outer peripheral surface of the intermediate portion is formed with a groove, one end of the operation bar is located in the groove.

 In addition, the present invention is the operating bar is inserted into the operation bar insertion hole of the sleeve is located in the groove of the operating weight is projected to the outside of the body is separated from the groove of the operating weight by rotation.

In addition, the present invention is the chemical is composed of 45 to 55 parts by weight of aluminum chloride, 45 to 55 parts by weight of ammonium chloride.

In addition, the present invention is that the operation bar is an arc-shaped operating piece having a constant length and width at the end that is not inserted into the operation bar insertion hole of the sleeve.

In addition, the present invention is further configured to be connected to one end of the inner bar detachably connected to the connection bar.

In addition, the present invention, the inner bar support portion is composed of a pair of inner bar support portion formed in pairs spaced apart from the sleeve outer surface of the upper portion of the operation bar support portion and the outer inner bar support portion formed on the outer surface of the sleeve opposite to the pair of inner bar support portions. Will be.

In addition, the present invention is the inner bar is composed of a pair inner bar composed of a pair spaced apart from the outer surface of the sleeve, and an outer inner bar configured on the outer surface of the sleeve opposite the pair inner bar, the pair inner bar is an outer inner pair The bar is hinged to the outer inner bar support.

In addition, the present invention is that the pair inner bar is in close contact with the left or right side of the operating piece to rotate the operating bar when rotating.

In addition, the present invention is that the outer inner bar is in close contact with the central portion of the operating piece to rotate the operating bar when rotating.

In addition, the present invention is that the pair of the inner bar is' '' is the end of one side is coupled to the pair of inner bar support.

In the present invention, the outer inner bar is a 'ㅌ' shape, the end of the center side is hinged to the outer inner bar support.

The present invention is exposed to the outside during the excavation work of the ground when the impact is applied to the chemicals charged inside the vaporized colored smoke smoke colored smoke is discharged to the outside and excavation workers visually and olfactory buried underground It is effective in accurately knowing the position of the tube.

In addition, the present invention has an effect that can be easily confirmed that the operator is buried underground in the ground through the sense of smell as well as visually by the addition of the colored odor component to the chemicals filled therein.

In addition, the present invention has the effect that it is possible to effectively prevent the damage of the buried pipe due to the excavation by recognizing that there is a buried pipe in the ground excavated by the excavation worker.

1 is a perspective view of the present invention.
2 is a cross-sectional view of the present invention.
3: The top view in the state which removed the lid of this invention.
4: top, side and front views of the working piece of the present invention;
5 is a state diagram of the action of the inner bar of the twin rotation of the present invention.
6 is a state diagram when the outer inner bar of the present invention rotates.
7: underground buried state diagram of the present invention.
8 is an operational state diagram in the underground embedding state of the present invention.

The present invention is composed of the body 20, the guide 30, the elastic member 40, the working weight 50, the working bar 60, the inner bar 61 and the smoke discharge unit 80.

1 is a perspective view of the present invention of FIG. 1, a cross-sectional view of the present invention of FIG. 2, a plan view in a state where the lid of the present invention of FIG. 3 is removed, a plan view, a side view and a front view of the operating piece of the present invention of FIG. Fig. 6 shows the state of action when the inner bar is rotated, Fig. 6 shows the state of action when the inner bar rotates, Fig. 7 shows the underground state of the present invention shown in FIG. Looking at the present invention by the state diagram,

The body 20 is formed of a hollow cylindrical shape, the upper portion of the body 20 is open and close the lower portion can be closed or opened, the body 20 can be formed in a polygonal shape, etc. It is preferable to set it as.

 The fixing needle 100 is coupled to the lower outer surface of the body 20. The fixing needle 100 may be formed in a hollow or solid cone shape, and may be formed in a polygonal cone shape, etc. Do.

The lower end of the body 20 is sealed so that the smoke discharge unit 80 is seated or a flange that protrudes in the inner diameter direction or the connecting bar 62 crossing in the inner diameter direction is configured.

The bottom portion of the fixing needle 100 is fixed to the lower outer surface of the body 20, it is coupled to the body 20 by screwing, fitting or welding.

When the body 20 and the fixing needle 100 are coupled by screwing or fitting, the coupling part may be sealed with an O-ring or Teflon tape to prevent intrusion of groundwater.

On the other hand, the outer surface of the fixing needle 100 is configured to be significantly smaller than the fixing needle 100, a plurality of inner or hollow conical auxiliary needle 101 is formed, the bottom portion of the auxiliary needle 101 is fixed It is coupled to the outer surface of the needle 100 by screwing, fitting or welding.

The fixing needle 100 serves to firmly fix the underground buried indicator 10 to the ground, and the auxiliary needle 101 is for maintaining a fixed state of the fixing needle 100 more stably. It has a protruding structure.

The auxiliary needle 101 may also be formed in a polygonal cone shape or the like, but it is preferable to use a cone shape for manufacturing, and the like, and the number of the auxiliary needles 101 and the arrangement form thereof may be appropriately changed as necessary.

The lid 70 is formed on the upper portion of the body 20, the lid 70 opens and closes the upper portion of the body 20, serves to prevent the intrusion of foreign matter into the body 20, the operation bar 60 In order to facilitate the rotation operation of the) is formed of a cover of a certain size.

The guide 30 is composed of a guide head 31 and a sleeve 32, the guide head 31 is composed of a head ring 34 and the connecting portion 35.

The guide head 31 is coupled to the upper inner surface of the body 20, the sleeve 32 is inserted into the body while being formed of a hollow cylindrical body integrally protruding on one side of the guide head 31.

The guide head 31 is configured to communicate with the body 20, the communication portion is a passage through which the smoke generated from the smoke discharge portion 80 is discharged where a portion of the inner bar 61 is inserted to be.

More specifically, the guide head 31 has a ring-shaped head ring 34 and a connecting portion 35 for connecting the head ring 34, the head ring 34 is the upper inner surface of the body 20 When coupled to the connecting portion 35 is formed to protrude and protrude on one surface of the head ring 34, the space between the head ring 34 and the connecting portion 35 penetrates the smoke is discharged into this space is the communication portion will be.

The body 20 and the guide head 31 may be coupled by screwing, fitting or welding, and the body 20 may be formed on one surface of the guide head 31 to which the sleeve 32 is attached. .

The sleeve 32 has a working bar support portion 33 protruding from the intermediate outer surface, the operation bar insertion hole 37 of the through hole penetrated into and out of the sleeve 32 in the lower side of the operating bar support portion 33 is formed. The operation bar support 33 is configured on the outer surface of the sleeve 32 on the upper side of the operation bar support 33.

The sleeve 32 is inserted into the inner surface of the body 20, the length is shorter than the length of the body 20 so as not to contact the smoke outlet described later.

The elastic member 40 is inserted into the inner diameter of the sleeve 32, the elastic member 40 is a cylindrical spring, the upper part is fixed to the sleeve 32 and the lower part is a free end, it is not limited to the spring Various kinds of elastic members 40 may be selectively used.

The working weight 50 is one end of the cone, the outer peripheral surface of the intermediate portion is formed with a groove 51, the other end is the diameter is the same as or slightly smaller than the maximum outer diameter of the cone.

In other words, one end of the recess 51 is integrally formed at the end of the conical shape, and the other end of the working weight 50 is integrally formed at the other end of the recess 51 so that the recess 51 is formed between the cone and the other end. .

The working weight 50 is coalesced in the free end of the spring, is configured to be free-falling on the top of the smoke discharge unit 80 by the guide of the sleeve 32 in the sleeve (32).

When the working weight 50 is separated from the groove 51, the working weight 50 is moved or free fall in the sleeve 32 by the elastic action of the spring to collide with the smoke discharge unit 80.

The operation bar 60 is inserted into the operation bar insertion hole 37 of the sleeve 32 and is positioned in the groove 51 of the operation weight 50 and protrudes to the outside of the body 20 to operate the operation weight by rotation ( It is separated from the groove 51 of the 50, it is hinged to the operating bar support 33 and in contact with the operating weight 50 of the sleeve 32 rotates around the hinge.

That is, the operation bar 60 is bent and hinged to the middle portion of the operation bar support 33 protruding from the outer surface of the sleeve 32, one end is inserted into the operation bar insertion hole 37 of the sleeve 32 Contacting the working weight 50 and the other end is configured between the inner surface of the body 20 and the outer surface of the sleeve 32, the operating bar 60 is separated from the groove 51 of the operating weight 50 by the rotation operation. .

In other words, one end of the operation bar 60 is inserted into the operation bar insertion hole 37 formed through the sleeve 32 to be located in the groove 51 of the operation weight 50, and the other end is external to the sleeve 32. When the other end is rotated and the other end is rotated, the operation bar 60 acts as a lever or seesaw by the hinge so that one end of the operation bar 60 located in the groove 51 is retracted and deviates from the groove 51. .

The inner bar 61 is bent and hinged to one end of the inner bar support portion 36 protruding from the outer surface of the sleeve 32, and the other end is exposed to the outside of the body 20 to rotate around the hinge to the operating bar ( 60).

The smoke discharge unit 80 is seated inside the body 20 to be spaced apart from the lower side of the sleeve 32, is sealed with a soft synthetic resin to prevent the ingress of water or foreign matter, and the combustion material is embedded therein have.

The smoke discharge unit 80 is composed of two stages at the top and bottom, the top is composed of a water layer sealed with a soft synthetic resin filled with water and the bottom is aluminum chloride (AlCl₃: aluminum chloride) and ammonium chloride (NH₄Cl: ammonium It is a flexible synthetic resin filled with chloride, consisting of a closed chemical layer.

The chemical is composed of 45 to 55 parts by weight of aluminum chloride, 45 to 55 parts by weight of ammonium chloride, and the aluminum chloride and ammonium chloride are composed of a material in powder form to increase reactivity.

The aluminum chloride is generally gray to yellow, and is generally kept in a stable state, but chemical reactions occur rapidly with moisture to generate smoke. At this time, ammonium chloride is added to neutralize the high temperature of the exothermic temperature to lower the temperature. .

The chemicals mixed in the above weight parts are heated to 60 to 70 ° C. when water penetrates, and the chemical reaction of the chemical layer is good while ensuring the safety of the human body at the exothermic temperature.

When the working weight 50 mounted on the elastic member 40 collides with the smoke discharge unit 80 by the elastic action of the elastic member 40, the elastic member 40 penetrates the upper end of the smoke discharge unit 80. While penetrating the synthetic resin at the bottom, the water at the top penetrates into the chemical layer at the bottom, and the chemical is chemically reacted and smoke is discharged from the smoke discharge unit 80.

The discharged smoke is discharged to the outside of the body through the communication portion of the guide head 31 through the space between the body 20 and the sleeve (32).

The connecting bar 62 is configured to be detachably coupled to the other end of the inner bar 61 and exposed to the outside. That is, the connecting bar 62 is connected to the end of the inner bar 61 exposed to the outside by screwing. Is coupled, can be stored separately by separating the connection bar 62 during transport or storage.

When the inner bar 61 is rotated upward, the inner bar 61 is rotated by a lever or seesaw by the hinged inner bar support 36 so that the inner bar 61 is operated by the operating bar 60. Rotated).

The safety pin 90 is inserted into the inner bar 61 so that the safety pin 90 can be inserted into and detached from the inner bar 61. The through pin through which the safety pin 90 is inserted into and removed from the inner bar 61 has an upper portion of the body 20 at a position corresponding to the through hole. A through hole in which the safety pin 90 is inserted is formed on the surface.

When the safety pin 90 is inserted into the through hole of the body 20 through the through hole of the inner bar 61, the inner bar 61 does not operate so that one end of the actuating bar 60 also actuates the weight 50. The groove 51 will not be separated from.

On the other hand, the operation bar 60 is an arc-shaped operating piece 63 having a predetermined length and width at the end that is not inserted into the operation bar insertion hole 37 of the sleeve 32.

The operating piece 63 is integrally formed with the operating bar 60 in the center and located in the same direction as the outer diameter of the sleeve 32, that is, between the inner surface of the body 20 and the outer surface of the sleeve 32, It is located on top of the pants 36.

On the other hand, the inner bar support portion 36 is composed of three pairs of inner bar support portion 36-1 and the pair of inner bar support portion formed in a pair spaced apart from the outer surface of the sleeve 32 of the upper portion of the operation bar support portion 33 It consists of the outer inner bar support part 36-2 comprised in the outer surface of the sleeve 32 on the opposite side to (36-1).

Both the inner bar support portion 36-1 and the inner bar support portion 36 of the outer inner bar support portion 36-2 are configured to be spaced apart from the outer surface of the sleeve 32 to have a triangular composition.

In addition, the inner bar 61 is a pair inner bar (61-1) composed of a pair spaced apart from the outer surface of the sleeve 32, and is formed on the outer surface of the sleeve 32 opposite the pair inner bar (61-1) It consists of an outer inner bar 61-2.

One end of the pair of inner bars 61-1 is hinged to the pair of inner bars support portion 36-1 and the other end is exposed to the outside of the body so that the connecting bar 62 is detachably coupled to the outer inner bars 61. One end of -2) is hinged to the outer inner bar support part 36-2 and the other end is exposed to the outside of the body 20 so that the connection bar 62 is detachably coupled.

The inner bars 61 of the pair inner bar 61-1 and the outer inner bar 61-2 are configured between the inner surface of the body 20 and the outer surface of the sleeve 32 to be spaced apart from each other. Will have

The inner bar support portion 36 has a triangular composition, but the pair of inner bar support portions 36-1 are adjacently spaced apart, and the pair of inner bar support portions 36-1 and the outer inner bar support portions 36-2 are paired. The inner bar support portion 36-1 is configured to be spaced apart from the separation distance between each other.

Therefore, the angle formed when the pair of inner bar support parts 36-1 meet each other is an acute angle than the angle formed by the pair of inner bar support parts 36-1 and the outer inner bar support parts 36-2 meet.

Therefore, the angle formed when the pair of inner bars 61-1 meet each other is also acute than the angle formed by the pair of inner bars 61-1 and the outer inner bars 61-2.

The length of the operating piece 63 is configured to be slightly larger than the separation distance of the pair of inner bar support portion 36-1, each pair of inner bar 61-1 hinged to the pair of inner bar support portion 36-1. ) Is positioned on the left side or the right side of the operating piece 63.

Therefore, the pair of inner bars (61-1) is in close contact with the left or right portion of the operating piece (63) during rotation to rotate the operating bar 60, the pair of inner bars (61-1) 'c 'As a shape, the end of one side is hinged to the pair of inner bar support (36-1) and the other end is exposed to the outside of the body 20 is detachably coupled to the connection bar 62.

The outer inner bar support part 36-2 is configured on the outer surface of the sleeve 32 opposite the upper part of the operating bar support part 33, and the inner inner bar hinged to the outer inner bar support part 36-2. 2) is configured between the outer surface of the sleeve 32 opposite the operating bar support 33 and the inner surface of the body 20.

The outer inner bar (61-2) is a 'ㅌ' shape, the end of the center side is hinged to the outer inner bar support (36-2), the other end is exposed to the outside of the body 20 and the connection bar 62 It is detachably coupled to the other end is in close contact with the central portion of the working piece 63, when the outer inner bar (61-2) is rotated the other end is to rotate the central portion of the working piece 63 .

In detail, the operation bar 60 is hinged to an intermediate portion of the operation bar support 33 protruding from the outer surface of the sleeve 32 so that one end of the operation bar 60 is inserted into the operation bar insertion hole 37 of the sleeve 32 to operate. It is located in the groove 51 of the weight 50 to prevent the elastic member 40, that is, the operating weight 50, which is installed in the spring is prevented from falling or sliding by the spring coal, the other end of the pair of inner bar support portion 36 It is positioned between the outer diameter of the sleeve 32 and the body 20 at the upper portion of the pair of inner bar support portion 36-1 through -1).

At this time, the operation bar 60 is an arc-shaped operating piece 63 at the end that is not inserted into the operation bar insertion hole 37 of the sleeve 32, the operation piece 63 is the pair of length It is configured to be slightly larger than the separation distance of the inner bar support (36-1) is exposed to the outside of the pair of inner bar support (36-1).

The pair 'B' shaped inner bar 61-1 is hinged to one end of the inner bar supporting part 36-1, and is configured between the outer diameter of the sleeve 32 and the inner diameter of the body 20. The vertical portion exposed out of the guide head 31 through the communication portion of the head 31 is configured.

The horizontal portion is formed integrally with the vertical portion and is bent in a direction parallel to the outer surface of the guide head 31, that is, the transverse direction of the body 20, and protrudes slightly longer than the outer diameter of the body 20.

The horizontal portion is formed integrally with the horizontal portion is bent and spaced apart from the inner portion is formed in parallel with a short length.

It is formed integrally with the parallel portion is formed a protrusion bar exposed to the outside of the lid 70, the connection bar 62 having a predetermined length is coupled to the protrusion bar and the screw coupling or fitting is coupled.

In other words, the pair of inner bars (61-1) is composed of a vertical portion, a horizontal portion, a parallel portion, while the vertical portion, the horizontal portion, the parallel portion is bent to form a 'b' shape of each part.

The vertical portion is configured between the sleeve 32 and the body 20, the horizontal portion is configured between the upper surface lower side of the lid 70 and the guide head 31, the parallel portion is the outer surface and the lid 70 of the body 20 It is configured between the inner diameter of the connection bar 62 is a part is located between the outer surface of the body 20 and the inner diameter of the lid 70, and part is to protrude to the outside of the lid 70.

When the inner bar 61 is coupled to the connection part 62 to the connection bar 62, that is, the connection bar 62 rotates upward, the integrated parallel part and the horizontal part are operated, and the inner bar support part 36-1 is operated. By the hinge coupled to the vertical portion is rotated to the inside of the body 20 to push the left or right of the operating piece 63 of the upper portion of the operating bar (60).

 When the operation piece 63 is pushed, the operation bar 60 is rotated by the hinge coupled to the operation bar support 33, the operation bar 60 is rotated and one end of the operation bar 60 is the operating weight 50 The groove 51 will be separated from.

Outer inner bar (61-2) of the 'ㅌ' shape is one end hinged to the outer inner bar support (36-2), configured between the outer diameter of the sleeve 32 and the inner diameter of the body 20 guide The vertical portion exposed out of the guide head 31 through the communication portion of the head 31 is configured.

The vertical portion is bent and integrally extended in a 'T' shape to be formed in a direction parallel to the outer surface of the guide head 31, that is, the transverse direction of the body 20, and protrude a little longer than the outer diameter of the body 20. The horizontal part is configured.

The horizontal part is positioned transverse to the body 20, on the one hand on the outer surface of the body and on the other across the sleeve 32.

The two parallel parts are formed in parallel with the horizontal part and are bent in one piece and are horizontally spaced apart from the vertical part.

Formed by bending integrally with any one of the parallel portion of the two parallel portion is composed of a protrusion bar that is exposed to the outside of the lid 70, the connection bar 62 is coupled to the protrusion bar by screwing or fitting and having a predetermined length (62) ) Are combined.

It is formed integrally bent with the other parallel portion of the two parallel portion is configured between the outer diameter of the sleeve 32 and the inner diameter of the body 20, it is located in the central portion of the operating piece (63).

In other words, the outer inner bar 61-2 is composed of a vertical portion, a horizontal portion, and two parallel portions, while the vertical portion, the horizontal portion, and two parallel portions are formed integrally by bending each portion to form a 'ㅌ' shape. will be.

The vertical portion is configured between the sleeve 32 and the body 20, the horizontal portion is formed between the upper surface of the lid 70 and the guide head 31, one parallel portion is the outer diameter of the sleeve 32 and the Between the inner diameter of the body 20, the other parallel portion is configured between the outer surface of the body 20 and the inner diameter of the lid 70, the connecting bar 62 is part of the outer surface and the lid of the body 20 Located between the inner diameter of the 70 is a part protruding to the outside of the lid (70).

When the inner bar 61 is coupled to the other parallel part to the connecting bar 62, that is, when the connecting bar 62 is rotated upward, one parallel part and a horizontal part are integrated and the outer inner pants work. The hinge coupled to the branch portion 36-2 pushes the center of the operating piece 63 of the upper portion of the operating bar 60 while one parallel part rotates inside the body 20.

 When the operation piece 63 is pushed, the operation bar 60 is rotated by the hinge coupled to the operation bar support 33, the operation bar 60 is rotated and one end of the operation bar 60 is the operating weight 50 The groove 51 will be separated from.

Assembly of the present invention is coupled to the fixing needle 100 on the lower outer surface of the completed body 20 and inserted into the hollow inner surface by inserting a chemical layer prepared separately in the lower chemical layer at the bottom of the body 20 And the moisture layer is placed on the chemical layer by the same method as the chemical.

The elastic member 40 is coupled to the other end of the operating weight 50 and the elastic member 40 to which the operating weight 50 is fixed is inserted into the inner surface of the sleeve 32 of the guide 30 in the hollow member 40. The other end of) is fixed to the surface of the guide head 31 inside the sleeve 32 of the guide 30 by welding or the like.

 The operating bar 60 is hinged to the operating bar support part 33 to the guide head 31 to which the elastic member 40 is fixed, and the inner part when the inner bar 61 is coupled to the guide head 31. It is coupled to be inserted into the communication portion of the guide head (31).

The inner bar 61 is operated to position the operating bar 60 outside the sleeve 32 or in the sleeve 32 body 20, and one end of the operating bar 60 is inserted into the operating bar insertion hole 37. It is positioned in the groove 51 of the operating weight 50 through.

In this state, the safety pin 90 is inserted into the through hole of the body 20 through the through hole of the inner bar 61 so that the operating bar 60 does not operate so that the operating bar 60 actuates the weight 50. Do not leave the groove 51 of the.

Insert the guide 30 assembled with the operating weight 50, the elastic member 40 and the inner bar 61 into the body 20 to couple the guide head 31 to the body 20 and the lid 70 ) And connects the connecting bar 62 to the inner bar 61.

The assembly process is not absolute and can be changed as much as possible for the efficiency of the work.

 The underground buried indicator (10) assembled as described above maintains a state in which the operating weight 50 is fixed by the operating bar (60) by restraining the rotation of the safety bar (90) the operating bar (60) and the elastic member ( 40) remains compressed.

Insert the assembled underground buried indicator (10) into the upper ground spaced at a predetermined distance of the underground buried pipe 100, and the earth and sand is put into the periphery and the upper portion of the underground buried indicator (10) with the safety pin 90 removed The underground embedding indicator 10 is embedded.

In this state, when the ground is excavated later, when the soil is removed by an excavator or a manpower, the underground buried indicator 10, which is buried in the ground, is exposed while contacting any one of the connecting bars 62 by an excavator shovel or the like. When the 62 is raised, the cover 70 is opened and the inner bar 61 connected to the connection bar 62 which is raised to operate the bar 60 is separated from the groove 51 of the actuating weight 50 by elasticity. As the member 40 expands and the working weight 50 falls inside the sleeve 32 by the elastic action of the elastic member 40, the water penetrates the chemical layer by penetrating the moisture layer of the smoke discharge unit 80, Aluminum chloride and ammonium chloride penetrate into the chemical layer to cause a chemical reaction, and smoke is generated.

At this time, when the smoke is discharged, the excavation worker recognizes that the pipe is buried beneath this place, and the excavation work is carefully applied to prevent the damage of the buried pipe.

If, in the excavation operation, the excavator's shovel excavates the soil around the underground buried indicator 10 without walking the connecting bar 62, the connecting bar 62 is operated by the impact to operate the operation bar ( 60) is disengaged from the groove 51, the smoke of the colored odor is discharged, and there is a buried pipe below the ground excavated by the excavation worker

You will know.

Explanation of symbols on the main parts of the drawings
10: underground buried indicator 20: body
30: guide 31: guide head
32: sleeve 33: operating bar support
34: head ring 35: connection
36: internal bar support 37: operation bar insertion hole
40: elastic member 50: working weight
51: groove 60: operation bar
61: inner bar 62: connecting bar
63: operating piece 70: lid
80: smoke discharge unit 90: safety pin
100: fixed hand 101: auxiliary hand

Claims (12)

In the underground buried indicator which is buried in the ground to indicate the location of the buried material,
A hollow cylindrical body;
A guide having a guide head coupled to an upper portion of the body, and a sleeve having a hollow cylindrical shape protruding from the guide head and inserted into the body;
An elastic member inserted into an inner diameter of the sleeve;
An actuating weight coupled to the free end of the elastic member;
An operation bar hinged to an operation bar support portion protruding from an outer surface of the sleeve, the operation bar being in contact with the operation weight of the sleeve and bent to rotate;
An inner bar hinged at one end of the inner bar support portion protruding from the outer surface of the sleeve to expose the other end to the outside of the body and to rotate the operation bar by rotation;
Composed in the body spaced apart from the lower side of the sleeve and the smoke discharge portion is embedded in the chemical;
The underground buried indicator, characterized in that the smoke is discharged from the smoke discharge unit when the operation additional impact on the smoke discharge unit by the elastic action of the elastic member.
The method of claim 1,
The actuating weight is one end of the cone, the outer peripheral surface of the intermediate portion is formed with a groove, the underground buried indicator, characterized in that one end of the operation bar is located in the groove.
The method of claim 1,
The operation bar is inserted into the operation bar insertion hole of the sleeve is located in the groove of the operating weight and projected to the outside of the body, underground underground indicator, characterized in that separated from the groove of the operating weight by rotation.
The method of claim 1,
The chemical substance is buried underground indicator, characterized in that the aluminum chloride is composed of 45 to 55 parts by weight, ammonium chloride 45 to 55 parts by weight.
The method of claim 1,
Underground indicators characterized in that the connection bar is detachably coupled to one end of the inner bar is further configured to be exposed to the outside.
The method of claim 3,
The operation bar is a buried underground indicator, characterized in that the operation piece of a circular arc shape having a predetermined length and width is configured at the end that is not inserted into the operation bar insertion hole of the sleeve.
The method of claim 6,
The inner bar support portion is composed of a pair of inner bar support portion formed in pairs spaced apart from the sleeve outer surface of the upper portion of the operating bar support portion and an outer inner bar support portion formed on the outer surface of the sleeve opposite to the pair of inner bar support portions. Underground buried indicators.
The method of claim 7, wherein
The inner bar is composed of a pair inner bar configured in pairs spaced apart from the outer surface of the sleeve, and an outer inner bar configured on the outer surface of the sleeve opposite to the pair inner bar, wherein the pair inner bar is a pair inner bar supporting part and an outer inner bar is an outer inner bar. An underground buried indicator, which is hinged to the branch.
The method of claim 8,
And the pair of inner bars are in close contact with the left or right side of the working piece to rotate the operating bar, characterized in that the rotating bar.
The method of claim 8,
The outer inner bar is buried in the underground buried indicator, characterized in that the close contact with the central portion of the operating piece to rotate the operating bar.
10. The method of claim 9,
Wherein the inner bar is a 'c' shape, the underground buried indicator, characterized in that the end of one side is hinged to the pair of inner bar support.
The method of claim 10,
The outer inner bar is a ground buried indicator, characterized in that the end of the central side is hinged to the outer inner bar support portion as a 'ㅌ' shape.

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