CN111764845A - A kind of track which adopts double row chain to drive drilling rig up and down and its use method - Google Patents

Abstract

The invention belongs to the technical field of drilling machines, and particularly relates to a track for driving a drilling machine to lift by adopting double rows of chains, which comprises a large arm, a power head assembly, a power head base, a movable pulley block guide rail, a chain telescopic oil cylinder, a movable pulley block, a first double row of chains, a second double row of chains and a drill boom guide rail, wherein the drill boom guide rail is fixedly connected with the upper surface of the large arm, the invention also provides a use method of the track for driving the drilling machine to lift by adopting the double rows of chains: the chain telescopic oil cylinder contracts, the pulley block moves upwards in the movable pulley block guide rail, the first double-row chain and the second double-row chain drive the power head assembly to slide upwards under the drill arm guide rail to drive the drill rod to do work by gravity, and the drill rod ascends.

Description

A kind of track which adopts double row chain to drive drilling rig up and down and its use method

technical field

The invention belongs to the technical field of drilling rigs, and in particular relates to a track which adopts a double row chain to drive the drilling rig to lift and lower and a method for using the same.

Background technique

In the construction machinery industry, drilling rigs are often used, which have outstanding advantages in improving the support effect, reducing costs, accelerating the speed of road formation, reducing the amount of auxiliary transportation, reducing labor intensity, and improving the utilization rate of roadway sections.

In the current technology, such as CN201520085073.5 discloses a pneumatic drilling rig with a guide rail power head for high-efficiency lifting. and the upper sleeve, the lower sleeve and the upper sleeve are both provided with a clamping mechanism, the guide rail is connected to the upper sleeve, and a lifting oil cylinder is vertically connected between the upper sleeve and the lower sleeve. The beneficial effects are: the lifting and lowering of the guide rail power head on the column can be realized without manpower, the efficiency is high, the operation is safe and convenient, and time and labor are saved.

In the prior art, for example, CN201811645229.5 discloses a lifting mechanism of a column drilling rig, which includes a moving frame for moving on the frame column. The moving frame is hinged with a pressing rod mechanism for driving the moving frame to move upward. The lower part is provided with a support for providing a fulcrum required for the pressing rod mechanism to press down to drive the moving frame to move upward, and the moving frame is also provided with a locking plate for locking the moving frame on the frame column. The problem of easy damage and instability of the lifting mechanism in the prior art is solved.

In the current technology, such as CN201920979502.1 discloses a multifunctional drilling rig and engineering equipment, including a mounting frame, a guide rail, a power head, a drill pipe assembly, a driving mechanism, a rotating mechanism, a lifting and reciprocating mechanism, an exhaust channel and an air supply device; When the multi-function drilling rig works under the condition of rock and soil, the gas supply device will pass high-pressure gas into the exhaust channel to remove dust and gravel. ; When working under rock drilling conditions, the air supply device does not work, and the driving mechanism, the rotating mechanism and the lifting and reciprocating mechanism work together to drive the drill pipe assembly to reciprocate up and down to realize the function of impact rock drilling. The multi-functional drilling rig can drill synchronously. Holes, rock drilling, and removal of dust and gravel, the work mode is switched according to different working conditions, and the work efficiency is high. In the engineering equipment of the present invention, the multifunctional drilling rig is arranged on the main body of the excavator, which can expand the functions of the excavator, and the operator can operate in the cab to reduce labor intensity and improve the working environment.

However, the existing drilling rig adopts a complicated lifting arm connection structure, which is not easy to install and maintain, and cannot effectively control the working stroke of the equipment, and uses a single sprocket, which has a long stroke, and the same installation distance is relatively more consumables.

SUMMARY OF THE INVENTION

In view of the above deficiencies in the prior art, the present invention provides a track that uses a double-row chain to drive the drilling rig to lift and lower, so as to solve the problem that the existing drilling rig is connected by a lifting arm, which has a complicated structure, is not easy to install, maintain, and cannot be effectively Controlling the working stroke of the equipment, and using a single sprocket, the stroke is longer, and the same installation distance is relatively more consumables. The arm is easier to install, maintain and replace, and the drill rod base can be detachably divided into a first drill rod base and a second drill rod base, and the first drill rod base is hidden inside the drill rod base.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: a track that uses double-row chains to drive the lifting and lowering of the drilling rig, including a boom, a power head assembly, a power head base, a guide rail for a moving pulley block, a chain telescopic oil cylinder, a moving pulley block, The first double-row chain, the second double-row chain and the drill arm guide rail;

The drill arm guide rail is fixedly connected with the upper surface of the boom, the power head base is arranged on the drill arm guide rail and is slidably connected with it, the power head assembly is fixedly installed above the power head base, and the bottom of the boom is connected to the upper surface of the boom. A lower chain guide seat and an upper chain guide seat are fixedly connected to the top respectively, and a plurality of chain guide wheels are respectively arranged inside the lower chain guide seat and the upper chain guide seat;

One end of the guide rail of the movable pulley group is connected to the bottom of the boom, the other end of the guide rail of the movable pulley group is connected to the lower end of the chain telescopic oil cylinder, and the top end of the chain telescopic oil cylinder is connected to the upper part of the boom;

The movable pulley set is arranged in the guide rail of the movable pulley set, and the movable pulley set includes a first movable pulley and a second movable pulley;

One end of the first double-row chain is fixedly connected to the lower chain guide seat, and the other end of the first double-row chain bypasses the first movable pulley and the chain guide wheel in the chain lower guide seat and is connected to the lower end of the power head assembly , the chain telescopic oil cylinder is also provided with a guide plate;

One end of the second double-row chain is fixedly connected to the guide plate, and the other end of the second double-row chain bypasses the second movable pulley and the chain guide wheel in the guide seat on the chain and is connected to the upper end of the power head assembly.

Further, the boom is also provided with a drill rod, the end of the drill arm guide rail is also provided with a guide sleeve, one end of the drill rod is fixedly connected with the power head assembly, and the other end of the drill rod passes through the guide sleeve .

Further, the length of the drill rod is less than the length of the boom, and the center axis of the drill rod is perpendicular to the center line of the power head base.

Further, there are two chain guide wheels provided in the lower chain guide seat and the upper chain guide seat, and all the chain guide wheels have the same diameter.

Further, the two chain guide wheels in the guide seat on the chain are symmetrically distributed on both sides of the center line of the guide seat on the chain.

Further, the bottom end of the guide sleeve is provided with a dust cover, and the dust cover is conical.

Further, the front end of the power head assembly is provided with a drill rod base, the drill rod base is detachably connected to the front end of the power head assembly, the drill rod is detachably connected to the drill rod base, and the drill rod base is detachably connected to the drill rod base. The central axis of the rod base coincides with the drill rod.

Further, the drill rod base includes a first drill rod base and a second drill rod base, the diameter of the second drill rod base is larger than the diameter of the first drill rod base, and the bottom of the second drill rod base is provided with a connection The connecting shaft is connected with the upper part of the base of the first drill rod.

Further, the power head assembly is also provided with a telescopic groove and a drive motor for driving the head of the first drill rod base to telescopically move, the telescopic groove is provided in the power head assembly, and the telescopic groove is The opening faces the first drill rod base, the telescopic groove is threadedly connected with the first drill rod base, and the drive motor is connected with an external power supply electrode.

The above-mentioned method of using a track that uses double-row chains to drive the lifting and lowering of a drilling rig includes the following steps:

S1, the assembly of the double row chain track: including the boom, power head assembly, power head base, movable pulley block guide rail, chain telescopic oil cylinder, movable pulley block, first double row chain, second double row chain and drill arm guide rail, all The drill boom guide rail is fixedly connected with the upper surface of the boom, the power head base is arranged on the drill boom guide rail and is slidably connected with it, the power head assembly is fixedly installed above the power head base, and the bottom and top of the boom are The lower chain guide seat and the upper chain guide seat are fixedly connected respectively, and a plurality of chain guide wheels are respectively arranged inside the lower chain guide seat and the upper chain guide seat. The other end of the guide rail is connected to the lower end of the chain telescopic oil cylinder, the top end of the chain telescopic oil cylinder is connected to the upper part of the boom, and the movable pulley group is arranged in the guide rail of the movable pulley group. One end of the first double-row chain is fixedly connected to the lower chain guide seat, and the other end of the first double-row chain bypasses the first movable pulley and the chain guide wheel in the chain lower guide seat and is connected to the lower end of the power head assembly, The chain telescopic oil cylinder is also provided with a guide plate, one end of the second double-row chain is fixedly connected to the guide plate, and the other end of the second double-row chain bypasses the second movable pulley and the chain in the guide seat on the chain The guide wheel is connected with the upper end of the power head assembly;

S2, preparation stage: the chain telescopic cylinder shrinks, the pulley block moves up in the guide rail of the movable pulley block, the first double-row chain and the second double-row chain drive the power head assembly to slide up under the drill arm guide rail, and drive the drill pipe to obey the gravity Doing work, the drill pipe rises;

S3, in the operation stage, the chain telescopic oil cylinder is extended, the pulley block moves down in the guide rail of the movable pulley block, the first double-row chain and the second double-row chain drive the power head assembly to slide down under the drill boom guide rail, and the drill rod moves vertically decline;

S4, replace the large-diameter drill pipe: the drill pipe is detachably connected to the drill pipe base, the central axis of the drill pipe base coincides with the drill pipe, and the drill pipe base includes a first drill pipe base, a second drill pipe a base, the diameter of the second drill rod base is larger than that of the first drill rod base, a connecting shaft is provided at the bottom of the second drill rod base, and the connecting shaft is connected with the upper part of the first drill rod base;

S5, hide the first drill rod base: the power head assembly is further provided with a telescopic groove and a drive motor for driving the head of the first drill rod base to telescopically move, and the telescopic groove is provided in the power head assembly, The opening of the telescopic groove faces the first drill rod base, the telescopic groove is threadedly connected to the first drill rod base, and the driving motor is connected to an external power supply electrode.

Compared with the present technology, the present invention has the following beneficial effects:

1. Use the hydraulic cylinder to drive the movable pulley block to slide up and down in the guide rail of the movable pulley block, and drive the expansion and contraction of the double-row chain, so that the double-row chain drives the power head base to slide up and down on the guide rail to realize the drilling function of the drill pipe, which is realized by the double-row chain link. The power head moves up and down to drive the drill pipe to work, instead of the traditional way of driving the power head to work with the lifting arm. The oil cylinder is used to drive the chain to expand and contract, which shortens the stroke of the hydraulic cylinder and can lengthen the working stroke of the equipment.

2. The chain connection is easier to install, maintain and replace than the traditional lifting arm.

3. The use of double sprockets shortens the wheel spacing, makes the transmission more stable, saves materials and reduces costs.

4. The drill rod base is divided into a first drill rod base and a second drill rod base, and the detachable type is adopted, which can provide feasibility for replacing large diameter drill rods.

5. The second drill pipe base is movably hidden inside the power head assembly, which makes the replacement of the drill pipe more convenient and the overall appearance is more beautiful.

Description of drawings

Fig. 1 is a left view structural schematic diagram of an embodiment of a track that adopts double-row chains to drive a drilling rig to lift and lower;

FIG. 2 is a schematic three-dimensional structural diagram of an embodiment of a track for driving a drilling rig to lift and lower by using a double-row chain according to the present invention;

Fig. 3 is a top-view structural schematic diagram of an embodiment of a track in which a double-row chain is used to drive a drilling rig to lift and lower according to the present invention;

FIG. 4 is a right side structural schematic diagram of an embodiment of a track that uses double-row chains to drive the drilling rig to lift and lower according to the present invention;

5 is a schematic three-dimensional structure diagram of a guide rail and a movable pulley block of a movable pulley block in an embodiment of a track in which a double-row chain is used to drive a drilling rig to lift and lower according to the present invention;

6 is a schematic three-dimensional structural diagram of a power head assembly in a track embodiment of the present invention that uses a double-row chain to drive the drilling rig to go up and down;

FIG. 7 is a top-view structural schematic diagram of a power head assembly in an embodiment of a track that uses a double-row chain to drive the drilling rig to lift and lower; FIG.

Fig. 8 is A-A sectional structure schematic diagram in Fig. 7;

9 is a schematic top view of the structure of a power head assembly and a drill pipe in an embodiment of a track in which a double-row chain is used to drive a drilling rig to lift and lower according to the present invention.

The main component symbols are explained as follows:

Boom 1, drill arm guide rail 101, guide sleeve 102, dust cover 102a, power head assembly 2, drill rod 201, drill rod base 202, first drill rod base 202a, second drill rod base 202b, connecting shaft 203 , the telescopic groove 204;

Chain lower guide seat 3, chain guide wheel 4, first double-row chain 5, chain upper guide seat 6, second double-row chain 7, power head base 8, movable pulley set 9, first movable pulley 901, second movable pulley 902, Moving pulley guide rail 10 , chain telescopic oil cylinder 11 , guide plate 110 .

Detailed ways

In order to enable those skilled in the art to better understand the present invention, the technical solutions of the present invention are further described below with reference to the accompanying drawings and embodiments.

Example 1

As shown in Figures 1 to 9, a track of the present invention that uses a double row chain to drive a drilling rig to lift and lower includes a boom 1, a power head assembly 2, a power head base 8, a movable pulley block guide rail 10, a chain telescopic oil cylinder 11, and a movable pulley block. The pulley block 9, the first double-row chain 5, the second double-row chain 7 and the drill arm guide rail 101, the drill arm guide rail 101 is fixedly connected to the upper surface of the boom 1, and the power head base 8 is arranged on the drill arm guide rail 101 and is slidably connected with it , the power head assembly 2 is fixedly installed on the top of the power head base 8, the bottom and top of the boom 1 are fixedly connected with the lower chain guide seat 3 and the upper chain guide seat 6, respectively, and the inside of the lower chain guide seat 3 and the upper chain guide seat 6 A plurality of chain guide wheels 4 are respectively provided;

One end of the moving pulley guide rail 10 is connected to the bottom of the boom 1, the other end of the moving pulley guide rail 10 is connected to the lower end of the chain telescopic oil cylinder 11, and the top of the chain telescopic oil cylinder 11 is connected to the upper part of the boom 1;

The movable pulley assembly 9 is arranged in the movable pulley assembly guide rail 10, and the movable pulley assembly 9 includes a first movable pulley 907 and a second movable pulley 902;

One end of the first double-row chain 5 is fixedly connected to the lower chain guide seat 3, and the other end of the first double-row chain 5 bypasses the first movable pulley 901 and the chain guide wheel 4 in the lower chain guide seat 3 and the power head assembly 2. The lower end of the chain telescopic cylinder 11 is also provided with a guide plate 110;

One end of the second double-row chain 7 is fixedly connected to the guide plate 110, and the other end of the second double-row chain 7 bypasses the second movable pulley 902 and the chain guide wheel 4 in the guide seat 6 on the chain and the power head assembly 2. top connection.

Specifically, the chain is divided into a first double-row chain 5 and a second double-row chain 7. One end of the first double-row chain 5 is fixed on the lower chain guide seat 3, and the other end is fixed on the lower end of the power head assembly 2. One end of the two double-row chains 7 is fixed on the guide plate 110 of the chain telescopic cylinder 11 , and the other end is fixed on the upper end of the power head assembly 2 . The extension and retraction of the chain 7 enables the power head assembly 2 to slide up and down on the drill arm guide rail 101 to complete the work of the drilling rig. The double-row chain link is used to realize the up and down movement of the power head assembly 2 to drive the drill rod 201 to work, instead of the traditional way of driving the power head with the lifting arm. Scaling shortens the stroke of the hydraulic cylinder, and can lengthen the working stroke of the equipment. The chain connection is easier to install, maintain and replace than the traditional lifting arm. The use of double sprockets shortens the wheel spacing, makes the transmission more stable, saves materials and reduces costs.

As a preferred solution, the boom 1 is also provided with a drill rod 201, the end of the drill boom guide rail 101 is also provided with a guide sleeve 102, one end of the drill rod 201 is fixedly connected to the power head assembly 2, and the other end of the drill rod 201 passes through the guide sleeve 102.

Specifically, the existing drilling rig does not have a guiding device for the drill pipe 201 when drilling, so the verticality of the hole cannot be guaranteed. In this solution, the guide sleeve 102 of the drill pipe 201 that can be lifted up and down is added to facilitate alignment, and the guide sleeve 102 can be used for drilling. When the rod 201 is working, the verticality of the drill rod 201 is ensured, thereby ensuring the verticality of the formed hole. The guide sleeve 102 can be replaced, which is suitable for different drilling tools and ensures the airtightness of the drilling tools.

As a preferred solution, the length of the drill rod 201 is less than the length of the boom 1 , and the center axis of the drill rod 201 is perpendicular to the center line of the power head base 8 .

Specifically, the drill pipe 201 needs to be kept perpendicular to the ground during operation, and the drill pipe 201 is parallel to the boom 1 to ensure effective contact force on the ground when the drill pipe 201 moves up and down to perform work.

As a preferred solution, there are two chain guide wheels 4 provided in the lower chain guide seat 3 and the upper chain guide seat 6, and all the chain guide wheels 4 have the same diameter.

Specifically, two chain guide wheels 4 are provided in the lower chain guide seat 3 and the upper chain guide seat 6, and all the chain guide wheels 4 have the same diameter, ensuring that the first double row of chains 5 and the second double chain The balance of the row chain 7 during expansion and contraction can be designed with two chain guide pulleys 4 side by side, which can bear a larger load during the operation of the device.

As a preferred solution, the two chain guide wheels 4 in the upper chain guide seat 6 are symmetrically distributed on both sides of the center line of the upper chain guide seat 6 .

Specifically, the two chain guide wheels 4 are symmetrically distributed and can bear a larger load.

As a preferred solution, the bottom end of the guide sleeve 102 is provided with a dust cover 102a, and the dust cover 102a is conical.

Specifically, in this solution, a dust cover 102a device that can lift and replace the guide sleeve 102 of the drill pipe 201 is added. The dust cover 102a will not block the drill tool during displacement, which is convenient for alignment, and the guide sleeve 102 can work on the drill pipe 201. During drilling, the verticality of the drill pipe 201 is ensured, thereby ensuring the verticality of the hole formed. The guide sleeve 102 can be replaced and is suitable for different drilling tools to ensure the airtightness of the drilling tools. The dust cover 102a can well cover the generated Dust, meet environmental protection requirements and ensure that the working environment is not prone to occupational diseases.

Embodiment 2

As shown in Figures 1 to 9, a track of the present invention that uses a double row chain to drive a drilling rig to lift and lower includes a boom 1, a power head assembly 2, a power head base 8, a movable pulley block guide rail 10, a chain telescopic oil cylinder 11, and a movable pulley block. The pulley block 9, the first double-row chain 5, the second double-row chain 7 and the drill arm guide rail 101, the drill arm guide rail 101 is fixedly connected to the upper surface of the boom 1, and the power head base 8 is arranged on the drill arm guide rail 101 and is slidably connected with it , the power head assembly 2 is fixedly installed on the top of the power head base 8, the bottom and top of the boom 1 are fixedly connected with the lower chain guide seat 3 and the upper chain guide seat 6, respectively, and the inside of the lower chain guide seat 3 and the upper chain guide seat 6 A plurality of chain guide wheels 4 are respectively provided;

One end of the moving pulley guide rail 10 is connected to the bottom of the boom 1, the other end of the moving pulley guide rail 10 is connected to the lower end of the chain telescopic oil cylinder 11, and the top of the chain telescopic oil cylinder 11 is connected to the upper part of the boom 1;

The movable pulley assembly 9 is arranged in the movable pulley assembly guide rail 10, and the movable pulley assembly 9 includes a first movable pulley 907 and a second movable pulley 902;

One end of the first double-row chain 5 is fixedly connected to the lower chain guide seat 3, and the other end of the first double-row chain 5 bypasses the first movable pulley 901 and the chain guide wheel 4 in the lower chain guide seat 3 and the power head assembly 2. The lower end of the chain telescopic cylinder 11 is also provided with a guide plate 110;

One end of the second double-row chain 7 is fixedly connected to the guide plate 110, and the other end of the second double-row chain 7 bypasses the second movable pulley 902 and the chain guide wheel 4 in the guide seat 6 on the chain and the power head assembly 2. top connection.

Specifically, the chain is divided into a first double-row chain 5 and a second double-row chain 7. One end of the first double-row chain 5 is fixed on the lower chain guide seat 3, and the other end is fixed on the lower end of the power head assembly 2. One end of the two double-row chains 7 is fixed on the guide plate 110 of the chain telescopic cylinder 11 , and the other end is fixed on the upper end of the power head assembly 2 . The extension and retraction of the chain 7 enables the power head assembly 2 to slide up and down on the drill arm guide rail 101 to complete the work of the drilling rig. The double-row chain link is used to realize the up and down movement of the power head assembly 2 to drive the drill rod 201 to work, instead of the traditional way of driving the power head with the lifting arm. Scaling shortens the stroke of the hydraulic cylinder, and can lengthen the working stroke of the equipment. The chain connection is easier to install, maintain and replace than the traditional lifting arm. The use of double sprockets shortens the wheel spacing, makes the transmission more stable, saves materials and reduces costs.

As a preferred solution, the boom 1 is also provided with a drill rod 201, the end of the drill boom guide rail 101 is also provided with a guide sleeve 102, one end of the drill rod 201 is fixedly connected to the power head assembly 2, and the other end of the drill rod 201 passes through the guide sleeve 102.

Specifically, the existing drilling rig does not have a guiding device for the drill pipe 201 when drilling, so the verticality of the hole cannot be guaranteed. In this solution, the guide sleeve 102 of the drill pipe 201 that can be lifted up and down is added to facilitate alignment, and the guide sleeve 102 can be used for drilling. When the rod 201 is working, the verticality of the drill rod 201 is ensured, thereby ensuring the verticality of the formed hole. The guide sleeve 102 can be replaced, which is suitable for different drilling tools and ensures the airtightness of the drilling tools.

As a preferred solution, the length of the drill rod 201 is less than the length of the boom 1 , and the center axis of the drill rod 201 is perpendicular to the center line of the power head base 8 .

Specifically, the drill pipe 201 needs to be kept perpendicular to the ground during operation, and the drill pipe 201 is parallel to the boom 1 to ensure effective contact force on the ground when the drill pipe 201 moves up and down to perform work.

As a preferred solution, there are two chain guide wheels 4 provided in the lower chain guide seat 3 and the upper chain guide seat 6, and all the chain guide wheels 4 have the same diameter.

Specifically, two chain guide wheels 4 are provided in the lower chain guide seat 3 and the upper chain guide seat 6, and all the chain guide wheels 4 have the same diameter, ensuring that the first double row of chains 5 and the second double chain The balance of the row chain 7 during expansion and contraction can be designed with two chain guide pulleys 4 side by side, which can bear a larger load during the operation of the device.

As a preferred solution, the two chain guide wheels 4 in the upper chain guide seat 6 are symmetrically distributed on both sides of the center line of the upper chain guide seat 6 .

Specifically, the two chain guide wheels 4 are symmetrically distributed and can bear a larger load.

As a preferred solution, the bottom end of the guide sleeve 102 is provided with a dust cover 102a, and the dust cover 102a is conical.

Specifically, in this solution, a dust cover 102a device that can lift and replace the guide sleeve 102 of the drill pipe 201 is added. The dust cover 102a will not block the drill tool during displacement, which is convenient for alignment, and the guide sleeve 102 can work on the drill pipe 201. During drilling, the verticality of the drill pipe 201 is ensured, thereby ensuring the verticality of the hole formed. The guide sleeve 102 can be replaced and is suitable for different drilling tools to ensure the airtightness of the drilling tools. The dust cover 102a can well cover the generated Dust, meet environmental protection requirements and ensure that the working environment is not prone to occupational diseases.

As a preferred solution, the front end of the power head assembly 2 is provided with a drill rod base 202, the drill rod base 202 is detachably connected to the front end of the power head 2 assembly, and the drill rod 201 is detachably connected to the drill rod base 202, The central axis of the drill rod base 202 coincides with the drill rod 201 .

Specifically, the drill rod base 202 is detachably connected to the front end of the power head 2 assembly, so that the drill rod 201 with a larger diameter can be replaced according to actual industrial needs.

As a preferred solution, the drill rod base 202 includes a first drill rod base 202a and a second drill rod base 202b. The diameter of the second drill rod base 202b is larger than that of the first drill rod base 202a, and the bottom of the second drill rod base 202b is provided with The connecting shaft 203 is connected with the upper part of the first drill rod base 202a.

Specifically, it is necessary to connect the connecting shaft 203 provided on the bottom 202b of the second drill rod base with the head of the first drill rod base 202a, because one end of the connecting shaft 203 is an external thread, and the head of the first drill rod base 202a is There is an internal thread in the inner part, so the first drill rod base 202a and the second drill rod base 202b are connected, so as to change from the small diameter of the first drill rod base 202a to the large diameter of the second drill rod base 202b to match the larger diameter of the second drill rod base 202b. 201 diameter drill pipe.

The advantage of the second embodiment over the first embodiment is that: the second embodiment adds a drill rod base 202 at the front end of the power head assembly 2, and the drill rod base 202 is detachably connected to the front end of the power head 2 assembly, The drill rod 201 is detachably connected to the drill rod base 202 , and the central axis of the drill rod base 202 coincides with the drill rod 201 . The drill rod base 202 is detachably connected to the front end of the power head 2 assembly, so that the drill rod 201 with a larger diameter can be replaced according to actual industrial needs. The drill rod base 202 includes a first drill rod base 202a and a second drill rod base 202b. The diameter of the second drill rod base 202b is larger than that of the first drill rod base 202a, and the bottom of the second drill rod base 202b is provided with a connecting shaft 203, The connecting shaft 203 is connected to the upper part of the first drill rod base 202a. It is necessary to connect the connecting shaft 203 provided at the bottom 202b of the second drill rod base with the head of the first drill rod base 202a, because one end of the connecting shaft 203 is an external thread, and the head of the first drill rod base 202a is an internal thread. Therefore, the first drill rod base 202a and the second drill rod base 202b are connected, so as to change from the small diameter of the first drill rod base 202a to the large diameter of the second drill rod base 202b to match the larger diameter drill rod 201.

Embodiment 3

As shown in Figures 1 to 9, a track of the present invention that uses a double row chain to drive a drilling rig to lift and lower includes a boom 1, a power head assembly 2, a power head base 8, a movable pulley block guide rail 10, a chain telescopic oil cylinder 11, and a movable pulley block. The pulley block 9, the first double-row chain 5, the second double-row chain 7 and the drill arm guide rail 101, the drill arm guide rail 101 is fixedly connected to the upper surface of the boom 1, and the power head base 8 is arranged on the drill arm guide rail 101 and is slidably connected with it , the power head assembly 2 is fixedly installed on the top of the power head base 8, the bottom and top of the boom 1 are fixedly connected with the lower chain guide seat 3 and the upper chain guide seat 6, respectively, and the inside of the lower chain guide seat 3 and the upper chain guide seat 6 A plurality of chain guide wheels 4 are respectively provided;

One end of the moving pulley guide rail 10 is connected to the bottom of the boom 1, the other end of the moving pulley guide rail 10 is connected to the lower end of the chain telescopic oil cylinder 11, and the top of the chain telescopic oil cylinder 11 is connected to the upper part of the boom 1;

The movable pulley assembly 9 is arranged in the movable pulley assembly guide rail 10, and the movable pulley assembly 9 includes a first movable pulley 907 and a second movable pulley 902;

One end of the first double-row chain 5 is fixedly connected to the lower chain guide seat 3, and the other end of the first double-row chain 5 bypasses the first movable pulley 901 and the chain guide wheel 4 in the lower chain guide seat 3 and the power head assembly 2. The lower end of the chain telescopic cylinder 11 is also provided with a guide plate 110;

One end of the second double-row chain 7 is fixedly connected to the guide plate 110, and the other end of the second double-row chain 7 bypasses the second movable pulley 902 and the chain guide wheel 4 in the guide seat 6 on the chain and the power head assembly 2. top connection.

Specifically, the chain is divided into a first double-row chain 5 and a second double-row chain 7. One end of the first double-row chain 5 is fixed on the lower chain guide seat 3, and the other end is fixed on the lower end of the power head assembly 2. One end of the two double-row chains 7 is fixed on the guide plate 110 of the chain telescopic cylinder 11 , and the other end is fixed on the upper end of the power head assembly 2 . The extension and retraction of the chain 7 enables the power head assembly 2 to slide up and down on the drill arm guide rail 101 to complete the work of the drilling rig. The double-row chain link is used to realize the up and down movement of the power head assembly 2 to drive the drill rod 201 to work, instead of the traditional way of driving the power head with the lifting arm. Scaling shortens the stroke of the hydraulic cylinder, and can lengthen the working stroke of the equipment. The chain connection is easier to install, maintain and replace than the traditional lifting arm. The use of double sprockets shortens the wheel spacing, makes the transmission more stable, saves materials and reduces costs.

As a preferred solution, the boom 1 is also provided with a drill rod 201, the end of the drill boom guide rail 101 is also provided with a guide sleeve 102, one end of the drill rod 201 is fixedly connected to the power head assembly 2, and the other end of the drill rod 201 passes through the guide sleeve 102.

Specifically, the existing drilling rig does not have a guiding device for the drill pipe 201 when drilling, so the verticality of the hole cannot be guaranteed. In this solution, the guide sleeve 102 of the drill pipe 201 that can be lifted up and down is added to facilitate alignment, and the guide sleeve 102 can be used for drilling. When the rod 201 is working, the verticality of the drill rod 201 is ensured, thereby ensuring the verticality of the formed hole. The guide sleeve 102 can be replaced, which is suitable for different drilling tools and ensures the airtightness of the drilling tools.

As a preferred solution, the length of the drill rod 201 is less than the length of the boom 1 , and the center axis of the drill rod 201 is perpendicular to the center line of the power head base 8 .

Specifically, the drill pipe 201 needs to be kept perpendicular to the ground during operation, and the drill pipe 201 is parallel to the boom 1 to ensure effective contact force on the ground when the drill pipe 201 moves up and down to perform work.

As a preferred solution, there are two chain guide wheels 4 provided in the lower chain guide seat 3 and the upper chain guide seat 6, and all the chain guide wheels 4 have the same diameter.

Specifically, two chain guide wheels 4 are provided in the lower chain guide seat 3 and the upper chain guide seat 6, and all the chain guide wheels 4 have the same diameter, ensuring that the first double row of chains 5 and the second double chain The balance of the row chain 7 during expansion and contraction can be designed to withstand a larger load when the two chain guide wheels 4 are designed side by side during the operation of the device.

As a preferred solution, the two chain guide wheels 4 in the upper chain guide seat 6 are symmetrically distributed on both sides of the center line of the upper chain guide seat 6 .

Specifically, the two chain guide wheels 4 are symmetrically distributed and can bear a larger load.

As a preferred solution, the bottom end of the guide sleeve 102 is provided with a dust cover 102a, and the dust cover 102a is conical.

Specifically, in this solution, a dust cover 102a device that can lift and replace the guide sleeve 102 of the drill pipe 201 is added. The dust cover 102a will not block the drill tool during displacement, which is convenient for alignment, and the guide sleeve 102 can work on the drill pipe 201. During drilling, the verticality of the drill pipe 201 is ensured, thereby ensuring the verticality of the hole formed. The guide sleeve 102 can be replaced and is suitable for different drilling tools to ensure the airtightness of the drilling tools. The dust cover 102a can well cover the generated Dust, meet environmental protection requirements and ensure that the working environment is not prone to occupational diseases.

As a preferred solution, the front end of the power head assembly 2 is provided with a drill rod base 202, the drill rod base 202 is detachably connected to the front end of the power head 2 assembly, and the drill rod 201 is detachably connected to the drill rod base 202, The central axis of the drill rod base 202 coincides with the drill rod 201 .

Specifically, the drill rod base 202 is detachably connected to the front end of the power head 2 assembly, so that the drill rod 201 with a larger diameter can be replaced according to actual industrial needs.

As a preferred solution, the drill rod base 202 includes a first drill rod base 202a and a second drill rod base 202b. The diameter of the second drill rod base 202b is larger than that of the first drill rod base 202a, and the bottom of the second drill rod base 202b is provided with The connecting shaft 203 is connected with the upper part of the first drill rod base 202a.

Specifically, it is necessary to connect the connecting shaft 203 provided at the bottom of the second drill rod base 202b with the head of the first drill rod base 202a, because one end of the connecting shaft 203 is an external thread, and the head of the first drill rod base 202a is There is an internal thread in the inner part, so the first drill rod base 202a and the second drill rod base 202b are connected, so as to change from the small diameter of the first drill rod base 202a to the large diameter of the second drill rod base 202b to match the larger diameter of the second drill rod base 202b. 201 diameter drill pipe.

As a preferred solution, the power head assembly 2 is further provided with a telescopic groove 204 and a drive motor for driving the head of the first drill rod base 202a to telescopically move. The telescopic groove 204 is provided in the power head assembly 2, and the telescopic groove The opening of 204 faces the first drill rod base 202a, the telescopic groove 204 is threadedly connected with the first drill rod base 202a, and the driving motor is connected with the external power supply electrode.

Specifically, the design of the telescopic groove 204 allows the first drill rod base 202a to be hidden in the telescopic groove 204, so that the outside of the second drill rod base 202b can directly contact the drill rod base, making it easier to replace the drill rod 201. Convenience and overall more beautiful.

The advantage of the three-phase embodiment over the second embodiment is that the power head assembly 2 is added in the second embodiment, and the telescopic groove 204 and the drive motor for driving the head of the first drill rod base 202a to telescopically move, and the telescopic groove 204 is also provided. 204 is arranged in the power head assembly 2, and the telescopic groove 204 opens toward the first drill rod base 202a, the telescopic groove 204 is threadedly connected with the first drill rod base 202a, the driving motor is connected with the external power supply electrode, and the telescopic groove 204 The design can hide the first drill rod base 202a in the telescopic groove 204, so that the outside of the second drill rod base 202b can be directly contacted with the drill rod base, making the replacement of the drill rod 201 more convenient and overall more beautiful.

The above-mentioned method of using a track that uses double-row chains to drive the lifting and lowering of a drilling rig includes the following steps:

S1, the assembly of the double row chain track: including the boom 1, the power head assembly 2, the power head base 8, the movable pulley block guide rail 10, the chain telescopic cylinder 11, the movable pulley block 9, the first double row chain 5, the second double row The chain 7 and the drill arm guide rail 101, the drill arm guide rail 101 is fixedly connected with the upper surface of the boom 1, the power head base 8 is arranged on the drill arm guide rail 101 and is slidably connected with it, and the power head assembly 2 is fixedly installed on the power head base 8. Above, the bottom and top of the boom 1 are respectively fixedly connected with a lower chain guide seat 3 and an upper chain guide seat 6. The lower chain guide seat 3 and the upper chain guide seat 6 are respectively provided with a plurality of chain guide wheels 4, and a guide rail 10 of the movable pulley group. One end is connected to the bottom of the boom 1, the other end of the movable pulley guide rail 10 is connected to the lower end of the chain telescopic cylinder 11, the top of the chain telescopic cylinder 11 is connected to the upper part of the boom 1, and the movable pulley block 9 is set in the movable pulley block guide rail 10. The pulley block 9 includes a first movable pulley 907 and a second movable pulley 902. One end of the first double-row chain 5 is fixedly connected to the lower chain guide seat 3, and the other end of the first double-row chain 5 bypasses the first movable pulley 901 and the chain lower guide seat. The chain guide wheel 4 in 3 is connected with the lower end of the power head assembly 2, the chain telescopic cylinder 11 is also provided with a guide plate 110, and one end of the second double-row chain 7 is fixedly connected to the chain telescopic cylinder 11 on the guide plate 110, the second The other end of the double-row chain 7 is connected to the upper end of the power head assembly 2 around the second movable pulley 902 and the chain guide wheel 4 in the guide seat 6 on the chain;

S2, in the preparation stage, the chain telescopic cylinder 11 contracts, the pulley block moves upward in the movable pulley block guide rail 10, the first double-row chain 5 and the second double-row chain 7 drive the power head assembly 2 to slide up under the drill arm guide rail 101, The drill pipe 201 is driven to perform work under gravity, and the drill pipe 201 rises;

S3, in the operation stage, the chain telescopic oil cylinder 11 is extended, the pulley block moves down in the movable pulley block guide rail 10, the first double-row chain 5 and the second double-row chain 7 drive the power head assembly 2 down under the drill arm guide rail 101 Sliding, the drill pipe 201 is descending vertically;

S4, replace the large-diameter drill pipe: the drill pipe 201 is detachably connected to the drill pipe base 202, the central axis of the drill pipe base 202 is coincident with the drill pipe 201, and the drill pipe base 202 includes a first drill pipe base 202a, a second drill pipe base 202 The rod base 202b, the diameter of the second drill rod base 202b is larger than the diameter of the first drill rod base 202a, the second drill rod base bottom 202b is provided with a connecting shaft 203, and the connecting shaft 203 is connected with the upper part of the first drill rod base 202a;

S5, hide the first drill rod base: the power head assembly 2 is further provided with a telescopic groove 204 and a drive motor that drives the head of the first drill rod base 202a to telescopically move, and the telescopic groove 204 is provided in the power head assembly 2 , and the opening of the telescopic groove 204 faces the first drill rod base 202a, the telescopic groove 204 is threadedly connected with the first drill rod base 202a, and the driving motor is connected with the external power supply electrode.

The above are only the embodiments of the present invention, and the common knowledge such as the well-known specific structures and characteristics in the scheme has not been described too much here. Those of ordinary skill in the art know that the invention belongs to the technical field before the filing date or the priority date. Technical knowledge, can know all the existing technologies in this field, and have the ability to apply conventional experimental means before the date, those of ordinary skill in the art can improve and implement this scheme in combination with their own abilities under the enlightenment given in this application, Some typical well-known structures or well-known methods should not be an obstacle to those skilled in the art from practicing the present application. It should be pointed out that for those skilled in the art, some modifications and improvements can be made without departing from the structure of the present invention. These should also be regarded as the protection scope of the present invention, and these will not affect the implementation of the present invention. Effectiveness and utility of patents.

Claims (10)

1. The utility model provides an adopt track that double chain drove rig and go up and down which characterized in that: the device comprises a large arm, a power head assembly, a power head base, a movable pulley block guide rail, a chain telescopic oil cylinder, a movable pulley block, a first double-row chain, a second double-row chain and a drill arm guide rail;

the power head assembly is fixedly arranged above the power head base, the bottom and the top of the large arm are respectively and fixedly connected with a lower chain guide seat and an upper chain guide seat, and a plurality of chain guide wheels are respectively arranged in the lower chain guide seat and the upper chain guide seat;

one end of the movable pulley block guide rail is connected with the bottom of the large arm, the other end of the movable pulley block guide rail is connected with the lower end of the chain telescopic oil cylinder, and the top end of the chain telescopic oil cylinder is connected with the upper part of the large arm;

the movable pulley group is arranged in a movable pulley block guide rail, and the movable pulley block comprises a first movable pulley and a second movable pulley;

one end of the first double-row chain is fixedly connected to the chain lower guide seat, the other end of the first double-row chain is connected with the lower end of the power head assembly by bypassing the first movable pulley and a chain guide wheel in the chain lower guide seat, and the chain telescopic oil cylinder is further provided with a guide plate;

one end of the second double-row chain is fixedly connected to the guide plate, and the other end of the second double-row chain is connected with the upper end of the power head assembly by bypassing the second movable pulley and a chain guide wheel in the guide seat on the chain.

2. The track as claimed in claim 1, wherein the track is formed by a double-row chain for driving the drilling machine to ascend and descend, and is characterized in that: the large arm is further provided with a drill rod, the tail end of the drill arm guide rail is further provided with a guide sleeve, one end of the drill rod is fixedly connected with the power head assembly, and the other end of the drill rod penetrates through the guide sleeve.

3. The track for driving the drilling machine to ascend and descend by the double-row chain as claimed in claim 2, wherein: the length of the drill rod is smaller than that of the large arm, and the central axis of the drill rod is perpendicular to the central line of the power head base.

4. The track as claimed in claim 3, wherein the track is formed by a double-row chain for driving the drilling machine to ascend and descend, and is characterized in that: the chain guide wheels arranged in the chain lower guide seat and the chain upper guide seat are two, and the diameters of all the chain guide wheels are equal.

5. The track for driving the drilling machine to ascend and descend by the double-row chain as claimed in claim 4, wherein: two chain guide wheels in the guide seat on the chain are symmetrically distributed on two sides of the center line of the guide seat on the chain.

6. The track for driving the drilling machine to ascend and descend by the double-row chain as claimed in claim 5, wherein: the bottom of uide bushing is equipped with the dust cover, the dust cover is conical.

7. The track for driving the drilling machine to ascend and descend by the double-row chain as claimed in claim 6, wherein: the power head assembly front end is equipped with the drilling rod base, the drilling rod base is detachable to be connected in the front end of power head assembly, the drilling rod is detachable to be connected on the drilling rod base, the central axis and the drilling rod coincidence of drilling rod base.

8. The track for driving the drilling machine to ascend and descend by the double-row chain as claimed in claim 7, wherein: the drill rod base comprises a first drill rod base and a second drill rod base, the diameter of the second drill rod base is larger than that of the first drill rod base, the second drill rod base is provided with a connecting shaft, and the connecting shaft is connected with the upper portion of the first drill rod base.

9. The track for driving the drilling machine to ascend and descend by the double-row chain as claimed in claim 7, wherein: the power head assembly is further provided with a telescopic groove and a driving motor for driving the head of the first drill rod base to move in a telescopic mode, the telescopic groove is formed in the power head assembly, the opening of the telescopic groove faces towards the first drill rod base, the telescopic groove is in threaded connection with the first drill rod base, and the driving motor is connected with an external power supply electrode.

10. The use method of the track for driving the drilling machine to lift and lower by the double-row chain as claimed in claim 9, is characterized in that: the method comprises the following steps:

s1, assembling the double-row chain track: the device comprises a large arm, a power head assembly, a power head base, a movable pulley block guide rail, a chain telescopic oil cylinder, a movable pulley block, a first double-row chain, a second double-row chain and a drill arm guide rail, wherein the drill arm guide rail is fixedly connected with the upper surface of the large arm, the power head base is arranged on the drill arm guide rail and is in sliding connection with the drill arm guide rail, the power head assembly is fixedly arranged above the power head base, the bottom and the top of the large arm are respectively and fixedly connected with a chain lower guide seat and a chain upper guide seat, a plurality of chain guide wheels are respectively arranged inside the chain lower guide seat and the chain upper guide seat, one end of the movable pulley block guide rail is connected with the bottom of the large arm, the other end of the movable pulley block guide rail is connected with the lower end of the chain telescopic oil cylinder, the top end of the chain telescopic oil cylinder is connected with the upper part of the large arm, one end of the first double-row chain is fixedly connected to the lower chain guide seat, the other end of the first double-row chain is connected with the lower end of the power head assembly by bypassing the first movable pulley and a chain guide wheel in the lower chain guide seat, the chain telescopic oil cylinder is further provided with a guide plate, one end of the second double-row chain is fixedly connected to the guide plate, and the other end of the second double-row chain is connected with the upper end of the power head assembly by bypassing the second movable pulley and the chain guide wheel in the upper chain guide seat;

s2, preparation stage: the chain telescopic oil cylinder contracts, the pulley block moves upwards in the movable pulley block guide rail, the first double-row chain and the second double-row chain drive the power head assembly to slide upwards under the drill boom guide rail, the drill rod is driven to apply the gravity to do work, and the drill rod ascends;

s3, in the operation stage, the chain telescopic oil cylinder extends, the pulley block moves downwards in the movable pulley block guide rail, the first double-row chain and the second double-row chain drive the power head assembly to slide downwards under the drill boom guide rail, and the drill rod descends vertically;

s4, replacing the drill rod with large diameter: the drill rod is detachably connected to the drill rod base, the central axis of the drill rod base coincides with the drill rod, the drill rod base comprises a first drill rod base and a second drill rod base, the diameter of the second drill rod base is larger than that of the first drill rod base, the second drill rod base is provided with a connecting shaft, and the connecting shaft is connected with the upper portion of the first drill rod base;

s5, hiding the first drill rod base: the power head assembly is further provided with a telescopic groove and a driving motor for driving the head of the first drill rod base to move in a telescopic mode, the telescopic groove is formed in the power head assembly, the opening of the telescopic groove faces towards the first drill rod base, the telescopic groove is in threaded connection with the first drill rod base, and the driving motor is connected with an external power supply electrode.

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