CN218192840U

CN218192840U - Static cutting device for inner support of high-span foundation pit

Info

Publication number: CN218192840U
Application number: CN202222294880.0U
Authority: CN
Inventors: 马会莲; 周玉龙
Original assignee: Beijing Kaixinhaoda Engineering Technology Co ltd
Current assignee: Beijing Kaixinhaoda Engineering Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-03
Anticipated expiration: 2032-08-30

Abstract

The application relates to a static cutting device for an inner support of a high-span foundation pit, which belongs to the technical field of static cutting and comprises a cutting blade, wherein a first motor for driving the cutting blade to rotate is arranged on one side of the cutting blade, adjusting devices and supporting frames for mounting the adjusting devices are arranged on two sides of the cutting blade, and each adjusting device comprises a connecting shaft, a threaded sleeve and a threaded rod; the connecting shaft is connected with the top of support frame rotation, and the thread bush is provided with four, and four thread bushes use the connecting shaft as the even distribution of encircleing of center, and the thread bush rotates with the connecting shaft to be connected, threaded rod and thread bush one-to-one, and the threaded rod is kept away from the inside of connecting shaft one end from the thread bush and is stretched out, and one of them connecting shaft is connected with and is used for driving connecting shaft pivoted second motor. This application has the effect that improves steel pipe terminal surface cutting roughness.

Description

Static cutting device for inner support of high-span foundation pit

Technical Field

The application relates to the technical field of static cutting, in particular to a static cutting device for supporting in a high-span foundation pit.

Background

At present, in order to ensure that the foundation pit has good safety during construction, structures such as steel pipes and steel columns are often adopted to support and reinforce the interior of the foundation pit. When the foundation pit is built, the working personnel need to cut the steel pipe firstly, so that the length of the steel pipe meets the use requirement, and the good supporting effect on the foundation pit is ensured.

When cutting the steel pipe, need use cutting device to cut, current cutting device includes the cutting piece and is used for driving cutting piece pivoted motor. In the process of cutting the steel pipe, the cutting blade is positioned above the steel pipe, and then the steel pipe rotates, so that the cutting work is finished.

In view of the above-mentioned related technologies, the inventor believes that when a steel pipe is cut, the length of the steel pipe and the cutting direction of the cutting blade are prone to incline, so that the cut end face of the steel pipe inclines, and the steel pipe has serious potential safety hazards in future use.

SUMMERY OF THE UTILITY MODEL

In order to improve the roughness of steel pipe terminal surface cutting, this application provides a quiet power cutting device that is used for high-span foundation ditch inner support.

The application provides a quiet power cutting device for support in high-span foundation ditch adopts following technical scheme:

a static force cutting device for an inner support of a high-span foundation pit comprises a cutting blade, wherein a first motor for driving the cutting blade to rotate is arranged on one side of the cutting blade, adjusting devices and supporting frames for mounting the adjusting devices are arranged on two sides of the cutting blade, and each adjusting device comprises a connecting shaft, a threaded sleeve and a threaded rod; the connecting shaft is connected with the top of support frame rotation, and the thread bush is provided with four, and four thread bushes use the connecting shaft as the even distribution of encircleing of center, and the thread bush rotates with the connecting shaft to be connected, threaded rod and thread bush one-to-one, and the threaded rod is kept away from the inside of connecting shaft one end from the thread bush and is stretched out, and one of them connecting shaft is connected with and is used for driving connecting shaft pivoted second motor.

Through adopting above-mentioned technical scheme, before cutting the steel pipe, stretch into to the steel pipe with adjusting device earlier, then rotate the thread bush, make the threaded rod stretch out from the inside of thread bush and with the inner wall butt of steel pipe, adjust the length of four threaded rods in proper order repeatedly, length direction and the cutting piece perpendicular until the steel pipe, then drive the connecting axle through the second motor and rotate, the connecting axle then can drive the steel pipe through thread bush and threaded rod and rotate, first motor drives the cutting piece and rotates, thereby accomplish the cutting work to the steel pipe, through the structure, can realize carrying out the effect of leveling to the steel pipe, in order to improve the roughness of steel pipe cutting terminal surface.

Optionally, an adjusting box is arranged at the bottom of the threaded sleeve, one end of the threaded sleeve extends into the adjusting box and is in rotating connection with the adjusting box, the adjusting box is fixedly connected with the connecting shaft, a first bevel gear and a second bevel gear which are meshed with each other are arranged in the adjusting box, the threaded sleeve penetrates through the first bevel gear and is fixedly connected with the first bevel gear, a hand wheel is arranged outside the adjusting box, and the hand wheel penetrates through the side wall of the adjusting box and is fixedly connected with the second bevel gear; the threaded rod has been seted up the guide way along self length direction, and the guide way is provided with the guide block, fixedly connected with dead lever between guide block and the regulation box.

Through adopting above-mentioned technical scheme, when the length that the threaded rod stretches out from the thread bush needs to be adjusted, the rotatable hand wheel of staff, through the meshing between second gear and the first gear, then can realize driving the thread bush and rotate. The guide block plays a role in limiting the moving direction of the threaded rod, so that the threaded rod can extend out along the length direction of the threaded sleeve.

Optionally, the lateral wall of support frame has set firmly the connecting rod, and the one end that the connecting rod deviates from the support frame is provided with calibrating device, and calibrating device is including installation piece and calibration needle, connecting rod and installation piece fixed connection, and the afterbody of calibration needle stretches into to the inside of installation piece, is provided with the spring in the installation piece, the both ends of spring respectively with the inner wall fixed connection of calibration needle and installation piece.

Through adopting above-mentioned technical scheme, when leveling to the steel pipe, rotate the steel pipe, when the steel pipe extrudeed the calibration needle, the calibration needle moved to installation piece inside, made the spring compression, when the steel pipe did not extrude the calibration needle, spring release elasticity drove the calibration needle and outwards removed from installation piece inside to play and whether reach the horizontality to the steel pipe and carry out the effect of inspection.

Optionally, the lateral wall of installation piece slides along the length direction of calibration needle outward and is provided with the pointer, and the installation piece has been seted up along self length direction and has been dodged the groove, and the pointer passes and calibration needle fixed connection from dodging the inslot, and the lateral wall of installation piece has marked the scale mark along the length direction who dodges the groove.

Through adopting above-mentioned technical scheme, according to the scale mark position that the pointer corresponds, can reflect the inclination of steel pipe to the staff better adjusts the steel pipe.

Optionally, the below of cutting piece is provided with the base, and the upper surface of base has set firmly the support arm along vertical direction, and the top of support arm is rotated and is connected with the regulating arm, and the organism and the regulating arm fixed connection of first motor are provided with the pneumatic cylinder between base and the regulating arm, the bottom and the base fixed connection of pneumatic cylinder, and the top and the regulating arm of pneumatic cylinder are articulated.

Optionally, the upper surface of the base is rotatably connected with two rotary rollers, and the direction of the rotation axis of the rotary rollers is parallel to the direction of the rotation axis of the cutting blade.

Through adopting above-mentioned technical scheme, changeing the roller and having played the supporting role to the cutting department of steel pipe, stability when having improved the steel pipe cutting.

Optionally, the upper surface of base sets firmly two and places the board, places the upper surface of board and has seted up a plurality of standing grooves, changes the both ends of roller and places in the standing groove.

Through adopting above-mentioned technical scheme, can place the roller in different standing grooves department according to the size of steel pipe to make this cutting device can be applicable to more not unidimensional steel pipes.

Optionally, an arc-shaped block is fixedly arranged at one end, deviating from the threaded sleeve, of the threaded rod.

Through adopting above-mentioned technical scheme, improved the laminating effect with the steel pipe inner wall, and then improved the stability when supporting the steel pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the steel pipe can be leveled through the adjusting device, so that the flatness of the cut end face of the steel pipe is improved;

2. the steel pipe can be detected through the calibration device, so that the effect of judging whether the steel pipe reaches a horizontal state or not is achieved;

3. the cutting part of the steel pipe plays a supporting role through the placing plate and the rotating roller so as to improve the stability of the steel pipe during cutting.

Drawings

Fig. 1 is a schematic structural diagram of a static force cutting device for supporting in a high-span foundation pit according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of an embodiment of the present application to embody an adjusting device and a calibrating device;

FIG. 3 is a partial cross-sectional view of an embodiment of the present application to illustrate the structure of an adjustment device;

FIG. 4 is a schematic structural diagram of an embodiment of the present application to embody a calibration apparatus;

fig. 5 is a schematic structural view of a placement plate and a roller structure in an embodiment of the present application.

In the figure, 1, cutting a slice; 11. a first motor; 2. an adjustment device; 21. a connecting shaft; 211. an adjustment box; 212. a second motor; 22. a threaded sleeve; 221. a first bevel gear; 222. a second bevel gear; 223. a hand wheel; 23. a threaded rod; 231. a guide groove; 232. a guide block; 233. fixing the rod; 234. an arc-shaped block; 4. a support frame; 41. a connecting rod; 5. a calibration device; 51. mounting blocks; 511. an avoidance groove; 512. scale lines; 52. calibrating the needle; 521. a pointer; 53. a spring; 6. a base; 61. a support arm; 62. an adjusting arm; 63. a hydraulic cylinder; 7. rotating the roller; 8. placing the plate; 81. and (6) placing the groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a static force cutting device for support in high-span foundation ditch.

Referring to fig. 1, a static cutting device for supporting in a high-span foundation pit comprises a cutting blade 1 and an adjusting device 2, wherein a base 6 for placing a steel pipe is arranged below the cutting blade 1. Adjusting device 2 is provided with two sets ofly, and two sets of adjusting device 2 are located the both sides of cutting piece 1 respectively, and the steel pipe that needs the cutting is located the below of cutting piece 1, and the both ends of steel pipe are located adjusting device 2 department, and adjusting device 2 is located in the steel pipe. When the steel pipe needs to be cut, the steel pipe is placed on the base 6, then the steel pipe is adjusted through the adjusting device 2, the length direction of the steel pipe is perpendicular to the cutting pieces 1, and then the steel pipe is cut through the cutting pieces 1.

Referring to fig. 2 and 3, a supporting frame 4 for mounting the adjusting device 2 is arranged on one side of the adjusting device 2, which is away from each other, and the bottom of the supporting frame 4 is fixedly mounted on the upper surface of the base 6. The adjusting device 2 comprises a connecting shaft 21, a threaded sleeve 22 and a threaded rod 23; one end of connecting axle 21 stretches into in the steel pipe, the other end of connecting axle 21 rotates with the lateral wall that support frame 4 is close to the top to be connected, thread bush 22 all is provided with four in every adjusting device 2 of group, four thread bushes 22 all are located connecting axle 21 and keep away from the one end of support frame 4, four thread bushes 22 use connecting axle 21 evenly to encircle the distribution as the center, thread bush 22 rotates with connecting axle 21 to be connected, threaded rod 23 is provided with four, four threaded rod 23 and four thread bushes 22 one-to-one, and threaded rod 23 keeps away from the inside stretching out of one end of connecting axle 21 from thread bush 22, threaded rod 23 keeps away from the one end of thread bush 22 and has set firmly arc piece 234, arc piece 234 convex surface one side deviates from threaded rod 23.

Four adjusting boxes 211 are fixedly arranged on the circumferential side wall of the connecting shaft 21, the four adjusting boxes 211 correspond to the four threaded sleeves 22 one by one, one end of each threaded sleeve 22 extends into the corresponding adjusting box 211, a first bevel gear 221 penetrates through the corresponding threaded sleeve 22 in the corresponding adjusting box 211, a second bevel gear 222 is meshed with the first bevel gear 221, a hand wheel 223 is arranged on the outer side of the corresponding adjusting box 211, and the hand wheel 223 penetrates through the corresponding adjusting box 211 and is fixedly connected with the second bevel gear 222.

Threaded rod 23 has seted up guide way 231 along self length direction, is provided with guide block 232 in the guide way 231, and guide block 232 and guide way 231 slip adaptation are fixedly connected with dead lever 233 between guide block 232 and the regulation box 211.

When the steel pipe needs to be adjusted, the adjusting device 2 is located in the steel pipe, then each hand wheel 223 is rotated, the threaded rod 23 extends into the threaded sleeve 22 from the inside until the arc-shaped block 234 abuts against the inner wall of the steel pipe, each hand wheel 223 is repeatedly rotated, the length of the threaded rod 23 extending out is adjusted until the steel pipe reaches the state perpendicular to the cutting piece 1, and then cutting is carried out, so that the flatness of the end face of the steel pipe during cutting is improved.

Referring to fig. 2 and 4, a connecting rod 41 is fixedly arranged on one side opposite to the support frame 4, and a calibration device 5 is arranged at one end, far away from the support frame 4, of the connecting rod 41. The calibration device 5 comprises an installation block 51, a calibration pin 52 and a spring 53, the installation block 51 is fixedly connected with the connecting rod 41, the tail end of the calibration pin 52 penetrates through the installation block 51, the spring 53 is located in the installation block 51, one end of the spring 53 is fixedly connected with the inner wall of the installation block 51, and the other end of the spring 53 is fixedly connected with the calibration pin 52. The mounting block 51 is provided with an avoiding groove 511 along the length direction of the calibration pin 52, the mounting block 51 is marked with a scale mark 512 along the length direction of the avoiding groove 511 at one side of the avoiding groove 511, a pointer 521 penetrates through the avoiding groove 511, one end of the pointer 521 is fixedly connected with the calibration pin 52, and the other end of the pointer 521 points to the scale mark 512.

When the position of the steel pipe is adjusted, the worker can enable the side wall of the steel pipe to be abutted against the end part of the pointer 521, then the steel pipe is rotated, if the calibration needle 52 moves, the position of the steel pipe does not reach the horizontal state, the worker can judge the inclined state of the steel pipe by observing the position of the pointer 521, and adjust the length of the corresponding threaded rod 23 according to the inclined degree of the steel pipe until the steel pipe reaches the horizontal state.

Referring to fig. 1, the upper surface of base 6 has set firmly support arm 61, the top of support arm 61 is provided with regulating arm 62, and the top of support arm 61 rotates with the middle part of regulating arm 62 to be connected, the organism of first motor 11 and the one end fixed connection of support arm 61, be provided with pneumatic cylinder 63 between base 6 and the regulating arm 62, the bottom of pneumatic cylinder 63 and the upper surface fixed connection of base 6, the top of pneumatic cylinder 63 is articulated with the one end that first motor 11 was kept away from to regulating arm 62. One of the support frames 4 is provided with a second motor 212 for driving the connecting shaft 21 to rotate at a side away from the connecting shaft 21.

After the steel pipe is adjusted to the horizontal state, the worker starts the first motor 11 to enable the cutting blade 1 to rotate, then starts the hydraulic cylinder 63 again to enable the hydraulic cylinder 63 to drive the adjusting arm 62 to move until the cutting blade 1 abuts against the side wall of the steel pipe, and then starts the second motor 212 to enable the steel pipe to rotate, and then the cutting work of the steel pipe is completed.

Referring to fig. 1 and 5, two placing plates 8 are arranged below the cutting blade 1, the two placing plates 8 are respectively arranged at two sides of the cutting blade 1, a plurality of placing grooves 81 are formed along the length direction of the placing plates 8, a rotating roller 7 is arranged between the two placing plates 8, the rotating axis of the rotating roller 7 is parallel to the rotating axis of the cutting blade 1, and two ends of the rotating roller 7 are placed in the placing grooves 81. The roller 7 plays a good supporting role for the steel pipe, improves the stability of the steel pipe during cutting, and plays a supporting role after the steel pipe is cut off.

The implementation principle of the static cutting device for the high-span foundation pit inner support is as follows: the steel pipe is positioned between the two adjusting devices 2, the adjusting devices 2 are positioned in the steel pipe, then the worker rotates the hand wheel 223 to adjust the length of the threaded rod 23 extending out of the threaded sleeve 22 so as to achieve the effect of leveling the steel pipe, the worker rotates the steel pipe again, and whether the steel pipe reaches a horizontal state is judged by observing the calibration needle 52 and the pointer 521. When the steel pipe reaches the horizontal state, the first motor 11 drives the cutting blade 1 to rotate to cut the steel pipe. Thereby through above-mentioned structure, improved the roughness of steel pipe cutting end face.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a quiet power cutting device for support in high-span foundation ditch, includes cutting piece (1), and one side of cutting piece (1) is provided with and is used for driving cutting piece (1) pivoted first motor (11), its characterized in that: both sides of the cutting blade (1) are provided with adjusting devices (2) and supporting frames (4) for mounting the adjusting devices (2), and each adjusting device (2) comprises a connecting shaft (21), a threaded sleeve (22) and a threaded rod (23); connecting axle (21) is rotated with the top of support frame (4) and is connected, thread bush (22) are provided with four, four thread bushes (22) use connecting axle (21) to evenly encircle the distribution as the center, thread bush (22) rotate with connecting axle (21) and are connected, threaded rod (23) and thread bush (22) one-to-one, threaded rod (23) are kept away from the inside of connecting axle (21) one end from thread bush (22) and are stretched out, one of them connecting axle (21) is connected with and is used for driving connecting axle (21) pivoted second motor (212).

2. A static cutting apparatus for use in support of a high span foundation pit according to claim 1, wherein: an adjusting box (211) is arranged at the bottom of the threaded sleeve (22), one end of the threaded sleeve (22) extends into the adjusting box (211) and is rotatably connected with the adjusting box (211), the adjusting box (211) is fixedly connected with the connecting shaft (21), a first bevel gear (221) and a second bevel gear (222) which are meshed with each other are arranged in the adjusting box (211), the threaded sleeve (22) penetrates through the first bevel gear (221) and is fixedly connected with the first bevel gear (221), a hand wheel (223) is arranged outside the adjusting box (211), and the hand wheel (223) penetrates through the side wall of the adjusting box (211) and is fixedly connected with the second bevel gear (222); the threaded rod (23) is provided with a guide groove (231) along the length direction of the threaded rod, the guide groove (231) is provided with a guide block (232), and a fixing rod (233) is fixedly connected between the guide block (232) and the adjusting box (211).

3. A static cutting apparatus for use in support of a high span foundation pit according to claim 1, wherein: the utility model discloses a calibration device, including support frame (4), the lateral wall of support frame (4) sets firmly connecting rod (41), the one end that connecting rod (41) deviate from support frame (4) is provided with calibrating device (5), calibrating device (5) are including installation piece (51) and calibration needle (52), connecting rod (41) and installation piece (51) fixed connection, the afterbody of calibration needle (52) stretches into to the inside of installation piece (51), be provided with spring (53) in installation piece (51), the both ends of spring (53) respectively with the inner wall fixed connection of calibration needle (52) and installation piece (51).

4. A static cutting apparatus for use in support of a high span foundation pit according to claim 3, wherein: the lateral wall of installation piece (51) is provided with pointer (521) along the length direction slip of alignment needle (52) outward, and installation piece (51) have been seted up along self length direction and have been dodged groove (511), pointer (521) from dodging in groove (511) pass with alignment needle (52) fixed connection, and the lateral wall of installation piece (51) has scale mark (512) along the length direction mark of dodging groove (511).

5. A static cutting apparatus for use in support of a high span foundation pit according to claim 1, wherein: the below of cutting piece (1) is provided with base (6), and support arm (61) have set firmly along vertical direction to the upper surface of base (6), and the top of support arm (61) is rotated and is connected with regulating arm (62), the organism and the regulating arm (62) fixed connection of first motor (11), is provided with pneumatic cylinder (63) between base (6) and regulating arm (62), the bottom and base (6) fixed connection of pneumatic cylinder (63), and the top and the regulating arm (62) of pneumatic cylinder (63) are articulated.

6. A static cutting apparatus for use in support of a high span foundation pit according to claim 5, wherein: the upper surface of base (6) rotates and is connected with two and changes roller (7), changes the axis of rotation direction of roller (7) and is parallel with the axis of rotation direction of cutting piece (1).

7. A static cutting apparatus for use in support of a high span foundation pit according to claim 6, wherein: the upper surface of base (6) sets firmly two and places board (8), places the upper surface of board (8) and has seted up a plurality of standing grooves (81), changes the both ends of roller (7) and places in standing groove (81).

8. A static cutting apparatus for use in support of a high span foundation pit according to claim 1, wherein: and an arc-shaped block (234) is fixedly arranged at one end of the threaded rod (23) departing from the threaded sleeve (22).