CN215718522U

CN215718522U - Municipal construction is with non-excavation pipe laying rig of being convenient for change drill bit

Info

Publication number: CN215718522U
Application number: CN202122148246.1U
Authority: CN
Inventors: 申建军
Original assignee: Lianyungang Forward Heavy Industrial Machinery Co ltd
Current assignee: Lianyungang Forward Heavy Industrial Machinery Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a non-excavation pipe-laying drilling machine for municipal construction, which is convenient for replacing a drill bit, and relates to the technical field of municipal construction devices, and comprises a driving motor, wherein a first sleeve is fixedly arranged on the top surface of the driving motor, a second sleeve is fixedly arranged on the bottom surface of the driving motor, a connecting disc is movably arranged on the top surface of the first sleeve, a clamping component is arranged in the inner cavity of the second sleeve, a drill bit is arranged at the lower end of the second sleeve, when an operator needs to replace the drill bit, a screw hole round block can be screwed by using a screwdriver, the screw hole round block can drive a screw thread outer sleeve to rotate, so that the screw thread outer sleeve can move towards the inner cavity of the second sleeve, the driving motor is started to rotate clockwise, a clamp block main body can be automatically clamped into a clamp groove under the action of a spring column, the output end of the driving motor continues to rotate, and the screw thread sleeve can not rotate under the action of the clamp block main body, thereby, the automatic separation of the threaded sleeve of the connecting threaded column can be realized.

Description

Municipal construction is with non-excavation pipe laying rig of being convenient for change drill bit

Technical Field

The utility model relates to the technical field of municipal construction devices, in particular to a trenchless pipe-laying drilling machine convenient for replacing a drill bit for municipal construction.

Background

In China, municipal infrastructure refers to various buildings, structures, equipment and the like which are arranged in planning and construction ranges of urban areas and towns (villages) and provide paid or unpaid public products and services for residents based on government responsibilities and obligations. The construction of various public infrastructures matched with urban life belongs to the field of municipal engineering, such as common urban roads, bridges, subways, underground pipelines, tunnels, riverways, rail traffic, sewage treatment, garbage treatment and other projects, and the construction of various pipelines closely related to life, such as rainwater, sewage, water supply, reclaimed water, electric power (parts except red lines), telecommunication, heating power, gas and the like, squares, urban afforestation and the like, belongs to the field of municipal engineering. In municipal construction, trenchless pipe-laying rigs are often required to lay pipes underground.

The drill bit of present non-excavation pipe laying rig all uses the screw fastening on the rig output usually, and this kind of fixed mode for the operator is when changing the drill bit, still need use the spanner one to unscrew the screw and change, also is the same during the installation, not only operates to get up and consumes the manpower, changes inefficiency simultaneously, is not convenient for use.

To above problem, a municipal construction is with trenchless pipe laying rig of being convenient for change the drill bit has been proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a trenchless pipe-laying drilling machine convenient for replacing a drill bit for municipal construction, which works by adopting the device, so that the problems that the drill bit of the trenchless pipe-laying drilling machine in the background is usually fastened on the output end of the drilling machine by using a screw, and due to the fixing mode, an operator needs to unscrew the screw by using a wrench for replacing the drill bit, and the replacement is also carried out by using the same wrench during installation, so that the operation is labor-consuming, the replacement efficiency is low, and the use is inconvenient are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a non-excavation pipe-laying drilling machine convenient for replacing drill bits for municipal construction comprises a driving motor, wherein a first sleeve is fixedly installed on the top surface of the driving motor, a second sleeve is fixedly installed on the bottom surface of the driving motor, a connecting disc is movably installed on the top surface of the first sleeve, a clamping assembly is arranged in the inner cavity of the second sleeve, a drill bit is installed at the lower end of the second sleeve, an H-shaped installation through hole is formed in the outer wall of the lower end of the second sleeve, and connecting threads are arranged on the inner wall of the middle part of the inner cavity of the H-shaped installation through hole;

the clamping assembly comprises an elastic telescopic clamping block and a threaded telescopic column movably mounted on the outer wall of the back face of the elastic telescopic clamping block, and the threaded telescopic column is movably mounted on the connecting thread.

Further, the output end of the driving motor is fixedly provided with a connecting threaded column.

Further, the connecting disc comprises a T-shaped rotating disc and arc-shaped connecting blocks which are fixedly installed on the top surfaces of the two ends of the T-shaped rotating disc respectively.

Furthermore, the elastic telescopic fixture block comprises an installation shell and a fixture block main body which is slidably installed in the inner cavity of the installation shell through a pair of spring columns.

Furthermore, an installation sliding groove is formed in the outer wall of one end of the installation shell, one end of the spring column is installed on the inner wall of the inner cavity of the installation sliding groove, and a T-shaped limiting groove is formed in the outer wall of the middle of the other end of the installation shell.

Further, the thread telescopic column comprises a thread outer sleeve and a telescopic T-shaped block, wherein one end of the telescopic T-shaped block is slidably installed in an inner cavity of the thread outer sleeve.

Furthermore, one end of the threaded outer sleeve is movably mounted in the T-shaped limiting groove, the outer wall of the other end of the threaded outer sleeve is provided with a sliding limiting groove, the top surface and the bottom surface of the inner cavity of the sliding limiting groove are respectively provided with a square slide way, and the bottom surface of the square slide way is provided with a limiting slide way.

Further, flexible T type piece includes screw boss and the circular flexible post of fixed mounting on the outer wall of screw boss one side middle part, and fixed mounting has square slider respectively on the top surface of circular flexible post and the bottom surface outer wall, and square slider sets up in square slide, and fixed mounting has the restriction piece on the one end bottom surface of square slider, and restricts the piece and slide and set up in spacing slide.

Further, the drill bit comprises a drill bit main body and a threaded sleeve fixedly installed on the top surface of the middle of the drill bit main body, and a clamping groove is formed in the outer wall of the threaded sleeve.

Compared with the prior art, the utility model has the following beneficial effects:

1. when an operator needs to replace the drill bit, the screw hole round block can be screwed by using a screwdriver, the screw hole round block can drive the threaded outer sleeve to rotate under the action of the square sliding block and the square sliding way, so that the threaded outer sleeve can move towards the inner cavity of the second sleeve, the surface of the fixture block main body can abut against the surface of the threaded sleeve, the spring column is compressed, the motor is driven to rotate clockwise when the fixture block main body is started, the fixture block main body can be automatically clamped into the clamping groove under the action of the spring column, the output end of the motor is driven to rotate continuously, the threaded sleeve cannot rotate under the action of the fixture block main body, the threaded sleeve can be automatically separated by connecting the threaded column, otherwise, the motor is driven to rotate anticlockwise when the drill bit needs to be installed, and the arrangement not only saves labor, meanwhile, the replacement efficiency of the drill bit is improved.

2. According to the trenchless pipe-laying drilling machine convenient for replacing the drill bit for municipal construction, the square sliding blocks are fixedly mounted on the outer walls of the top surface and the bottom surface of the round telescopic column respectively, the square sliding blocks are arranged in the square slide ways, the limiting blocks are fixedly mounted on the bottom surface of one end of each square sliding block, and the limiting blocks are arranged in the limiting slide ways in a sliding mode.

Drawings

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a cross-sectional view of a second sleeve of the present invention;

FIG. 3 is a cross-sectional view of the clamping assembly of the present invention;

fig. 4 is a schematic perspective view of the drill of the present invention.

In the figure: 1. driving a motor; 11. connecting the threaded columns; 2. a first sleeve; 3. a connecting disc; 31. a T-shaped turntable; 32. an arc-shaped connecting block; 4. a second sleeve; 41. an H-shaped mounting through hole; 42. connecting threads; 5. a clamping assembly; 51. an elastic telescopic clamping block; 511. installing a shell; 5111. installing a chute; 5112. a T-shaped limiting groove; 512. a fixture block main body; 513. a spring post; 52. a threaded telescopic column; 521. a threaded outer sleeve; 5211. a sliding limit groove; 5212. a square slideway; 5213. a limiting slide way; 522. a telescopic T-shaped block; 5221. a screw hole round block; 5222. a circular telescopic column; 5223. a square slider; 5224. a limiting block; 6. a drill bit; 61. a drill bit body; 62. a threaded sleeve; 63. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1 and 2, a municipal construction is with trenchless pipe-laying drilling machine convenient to change drill bit, including driving motor 1, fixed mounting has first sleeve 2 on the top surface of driving motor 1, fixed mounting has second sleeve 4 on the bottom surface of driving motor 1, movable mounting has connection pad 3 on the top surface of first sleeve 2, be provided with joint subassembly 5 in the inner chamber of second sleeve 4, drill bit 6 is installed to the lower extreme of second sleeve 4, be provided with H type installation through-hole 41 on the lower extreme outer wall of second sleeve 4, be provided with connecting thread 42 on the middle part inner wall of H type installation through-hole 41 inner chamber, joint subassembly 5 includes flexible fixture block 51 and the flexible post 52 of screw thread of movable mounting on the flexible fixture block 51 back outer wall, and flexible post 52 of screw thread is movable mounting on connecting thread 42.

Referring to fig. 1, 2 and 4, in the trenchless pipe-laying drilling machine for municipal construction, which is convenient for replacing a drill bit, a connecting threaded column 11 is fixedly installed at the output end of a driving motor 1, a connecting disc 3 comprises a T-shaped rotary disc 31 and arc-shaped connecting blocks 32 respectively and fixedly installed on the top surfaces of two ends of the T-shaped rotary disc 31, a drill bit 6 comprises a drill bit main body 61 and a threaded sleeve 62 fixedly installed on the top surface of the middle part of the drill bit main body 61, and a clamping groove 63 is formed in the outer wall of the threaded sleeve 62.

Referring to fig. 2 and 3, an trenchless pipe-laying drill for municipal construction, in which a drill bit is conveniently replaced, includes an elastic retractable latch 51, and a latch body 512 slidably mounted in an inner cavity of a mounting housing 511 through a pair of spring posts 513, the outer wall of one end of the mounting housing 511 is provided with a mounting chute 5111, one end of each spring post 513 is mounted on an inner wall of the inner cavity of the mounting chute 5111, the outer wall of the middle portion of the other end of the mounting housing 511 is provided with a T-shaped retaining groove 5112, a threaded retractable post 52 includes a threaded outer sleeve 521 and a retractable T-shaped block 522, one end of which is slidably mounted in the inner cavity of the threaded outer sleeve 521, one end of the threaded outer sleeve 521 is movably mounted in the T-shaped retaining groove 5112, the outer wall of the other end of the threaded outer sleeve 521 is provided with a sliding retaining groove 5211, the top surface and the bottom surface of the inner cavity of the sliding retaining groove 5211 are respectively provided with a square slideway 5212, the bottom surface of the square slideway 5213 is provided with a retaining slideway 5213, the retractable T-shaped block 522 comprises a screw hole round block 5221 and a round retractable column 5222 fixedly installed on the outer wall of the middle part of one side of the screw hole round block 5221, the outer walls of the top surface and the bottom surface of the round retractable column 5222 are respectively and fixedly installed with a square slider 5223, the square slider 5223 is arranged in a square slideway 5212, the bottom surface of one end of the square slider 5223 is fixedly installed with a limiting block 5224, and the limiting block 5224 is arranged in a limiting slideway 5213 in a sliding manner, when an operator needs to replace the drill bit 6, the screw hole round block 5221 can be screwed by using a screwdriver, the screw hole round block 5221 can drive the screw outer sleeve 521 to rotate under the action of the square slider 5223 and the square slideway 5212, so that the screw outer sleeve 521 can move into the inner cavity of the second sleeve 4, at the moment, the surface of the fixture block main body 512 can abut against the surface of the threaded sleeve 62, the spring column 513 is compressed, and the motor 1 is driven to rotate clockwise by starting, the main body 512 of the latch is automatically clamped into the slot 63 by the spring post 513 to drive the output end of the motor 1 to rotate continuously, the threaded sleeve 62 cannot rotate under the action of the main body 512 of the latch, so that the threaded sleeve 62 of the connecting threaded post 11 can be automatically separated, otherwise, when the drill bit 6 needs to be installed, the motor 1 is driven to rotate anticlockwise, the arrangement not only saves manpower, but also improves the replacement efficiency of the drill bit 6, the outer walls of the top surface and the bottom surface of the round telescopic post 5222 are respectively and fixedly provided with a square slider 5223, the square slider 5223 is arranged in the square slideway 5212, the bottom surface of one end of the square slider 5223 is fixedly provided with a limiting block 5224, the limiting block 5224 is arranged in the limiting slideway 5213 in a sliding manner, and the arrangement enables an operator to move forwards relative to the screw hole block 5221 through the connecting thread 42 when the screw hole block 5221 is screwed, not only guaranteed that joint subassembly 5 is whole can not influence and get work drilling under the prerequisite that is embedded setting, also can accomplish the joint effect simultaneously, facilitate the use.

The working principle is as follows: when the operator needs to replace the drill 6, the screw hole round block 5221 can be screwed by using a screwdriver, the screw hole round block 5221 can drive the screw outer sleeve 521 to rotate under the action of the square sliding block 5223 and the square sliding way 5212, so that the screw outer sleeve 521 can move towards the inner cavity of the second sleeve 4, the surface of the fixture block main body 512 can be tightly abutted against the surface of the screw sleeve 62, the spring column 513 is compressed, the driving motor 1 is started to rotate clockwise at the moment, the fixture block main body 512 can be automatically clamped into the clamping groove 63 under the action of the spring column 513, the output end of the driving motor 1 continues to rotate, the screw sleeve 62 can not rotate under the action of the fixture block main body 512, so that the automatic separation of the screw sleeve 62 connected with the screw column 11 can be realized, and otherwise, when the drill 6 needs to be installed, the driving motor 1 can rotate anticlockwise.

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

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

Claims

1. The utility model provides a municipal construction is with non-excavation pipe laying rig of being convenient for change drill bit, including driving motor (1), its characterized in that: a first sleeve (2) is fixedly installed on the top surface of the driving motor (1), a second sleeve (4) is fixedly installed on the bottom surface of the driving motor (1), a connecting disc (3) is movably installed on the top surface of the first sleeve (2), a clamping assembly (5) is arranged in an inner cavity of the second sleeve (4), a drill bit (6) is installed at the lower end of the second sleeve (4), an H-shaped installation through hole (41) is formed in the outer wall of the lower end of the second sleeve (4), and a connecting thread (42) is arranged on the inner wall of the middle of the inner cavity of the H-shaped installation through hole (41);

the clamping assembly (5) comprises an elastic telescopic clamping block (51) and a threaded telescopic column (52) movably mounted on the outer wall of the back face of the elastic telescopic clamping block (51), and the threaded telescopic column (52) is movably mounted on the connecting thread (42).

2. The trenchless pipe-laying drilling machine convenient for replacing drill bits for municipal construction according to claim 1, characterized in that: the output end of the driving motor (1) is fixedly provided with a connecting threaded column (11).

3. The trenchless pipe-laying drilling machine convenient for replacing drill bits for municipal construction according to claim 1, characterized in that: the connecting disc (3) comprises a T-shaped rotating disc (31) and arc-shaped connecting blocks (32) which are respectively and fixedly installed on the top surfaces of the two ends of the T-shaped rotating disc (31).

4. The trenchless pipe-laying drilling machine convenient for replacing drill bits for municipal construction according to claim 1, characterized in that: the elastic telescopic fixture block (51) comprises a mounting shell (511) and a fixture block main body (512) which is slidably mounted in an inner cavity of the mounting shell (511) through a pair of spring columns (513).

5. The trenchless pipe-laying drilling machine convenient for bit replacement for municipal construction according to claim 4, characterized in that: an installation sliding groove (5111) is formed in the outer wall of one end of the installation shell (511), one end of the spring column (513) is installed on the inner wall of the inner cavity of the installation sliding groove (5111), and a T-shaped limiting groove (5112) is formed in the outer wall of the middle of the other end of the installation shell (511).

6. The trenchless pipe-laying drilling machine convenient for bit replacement for municipal construction according to claim 5, characterized in that: the thread telescopic column (52) comprises a thread outer sleeve (521) and a telescopic T-shaped block (522) with one end slidably mounted in an inner cavity of the thread outer sleeve (521).

7. The trenchless pipe-laying drilling machine convenient for bit replacement for municipal construction according to claim 6, characterized in that: one end of the threaded outer sleeve (521) is movably arranged in the T-shaped limiting groove (5112), the outer wall of the other end of the threaded outer sleeve (521) is provided with a sliding limiting groove (5211), the top surface and the bottom surface of the inner cavity of the sliding limiting groove (5211) are respectively provided with a square slideway (5212), and the bottom surface of the square slideway (5212) is provided with a limiting slideway (5213).

8. The trenchless pipe-laying drilling machine convenient for bit replacement for municipal construction according to claim 7, characterized in that: the telescopic T-shaped block (522) comprises a screw hole round block (5221) and a round telescopic column (5222) fixedly installed on the outer wall of the middle part of one side of the screw hole round block (5221), square sliding blocks (5223) are respectively and fixedly installed on the outer walls of the top surface and the bottom surface of the round telescopic column (5222), the square sliding blocks (5223) are arranged in square sliding ways (5212), limiting blocks (5224) are fixedly installed on the bottom surface of one end of each square sliding block (5223), and the limiting blocks (5224) are slidably arranged in limiting sliding ways (5213).

9. The trenchless pipe-laying drilling machine convenient for replacing drill bits for municipal construction according to claim 1, characterized in that: the drill bit (6) comprises a drill bit main body (61) and a threaded sleeve (62) fixedly mounted on the top surface of the middle part of the drill bit main body (61), and a clamping groove (63) is formed in the outer wall of the threaded sleeve (62).