CN114083415B

CN114083415B - Steel strand pulling device with abrasive wheel cutting function

Info

Publication number: CN114083415B
Application number: CN202111351194.6A
Authority: CN
Inventors: 郑翼; 郑彪; 高阳; 张晓武; 张齐; 张继光; 沈延军; 舒天琪
Original assignee: Beijing Haoyunda Zhichuang Technology Co Ltd
Current assignee: Beijing Haoyunda Zhichuang Technology Co Ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-11-22
Anticipated expiration: 2041-11-16
Also published as: CN114083415A

Abstract

The invention relates to the technical field of steel strand pulling devices, and discloses a steel strand pulling device with a grinding wheel for cutting. Through the state selectivity start-up protective housing according to control housing, the back is accomplished in the cutting, the hydraulic stem passes through top rotating turret push control casing and rotates around the below rotating turret and reset, after the completion resets, the hydraulic stem continues to promote the top rotating turret, make its extrusion power compression pole, the inside air of power compression pole shrink enters into the air chamber through connecting the trachea, in rethread air chamber gets into the buoyancy gasbag, buoyancy gasbag volume grow, the buoyancy that receives also grow, heavy liquid is with buoyancy gasbag lifting, the protective housing clockwise rotation, wrap up the cutting piece.

Description

Steel strand pulling device with abrasive wheel cutting function

Technical Field

The invention relates to the technical field of steel strand pulling devices, in particular to a steel strand pulling device with abrasive wheel cutting.

Background

The steel strand pulling machine clamps the steel strands through the rollers to convey the steel strands, can advance, retreat, continuously convey the steel strands and can also convey the steel strands in a inching mode, the speed of conveying the steel strands is steplessly regulated, the operation is convenient, the performance is reliable, the efficiency is obvious, the labor intensity is greatly reduced, and the prestressed steel strand pulling machine is widely applied to large bridges, box girders and structures.

The steel strand pulling machine needs to use a cutting machine to cut off the steel strands after pulling the steel strands, the existing abrasive wheel cutting has great potential safety hazards, and the exposed cutting pieces easily enable workers to be mistakenly touched and injured during working, so that the steel strand pulling device with the abrasive wheel cutting is provided to solve the problem.

Disclosure of Invention

The invention aims to provide a steel strand pulling device with a grinding wheel for cutting, which aims to solve the technical problem that in the prior art, an exposed cutting blade is easy to cause a worker to be injured by mistake during working.

The invention provides a steel strand pulling device with a grinding wheel for cutting, which comprises an automatic wire feeding machine, a conveying rail, a hydraulic rod and a cutting machine, wherein the automatic wire feeding machine, the conveying rail, the hydraulic rod and the cutting machine are all arranged on a working table surface, the cutting machine is connected with the hydraulic rod, the conveying rail is positioned obliquely below the cutting machine, a cutting groove corresponding to the cutting machine is arranged above the conveying rail, the cutting machine comprises a control shell selectively protected according to the self state, a convex shaft is fixedly connected to the inner side of the control shell, a rotating shaft is inserted into the inner side of the convex shaft, a cutting blade is fixedly connected to the outer side of the rotating shaft, and a protective shell for cutting off and cleaning the cutting blade is rotatably connected to the outer side of the convex shaft.

As optimization, the control casing wraps up in the outside of protective housing, and the equal fixed connection rotating turret in control casing top and bottom sets up smooth mouthful above the control casing, and top rotating turret and smooth mouthful sliding connection, the protective housing parcel is in the outside of cutting piece, and when the protective housing was closed, the gap was left between protective housing below and the control casing.

At the stop work, when the stop work, protective housing parcel cutting piece, power spring is compressed, and its inside air admission air passage strikes on the cutting piece surface through the hole of blowing at last, so can blow off the metal dander of cutting piece coarse surface adhesion, avoid influencing next work, blow simultaneously and also can reduce cutting piece temperature, increase of service life.

When air flows in the air passage, the air flows out of the air blowing holes from top to bottom, so that the cleaning air flow firstly impacts the upper part of the cutting blade and then gradually moves downwards, and the cutting blade is cleaned from top to bottom, so that the cleaning modification is better.

Preferably, the control case comprises a case body, a power groove is formed in the wall of the case body, a movable groove communicated with the power groove is formed in the inner side of the case body, a movable shaft extending into the movable groove is inserted into the inner side of the power groove, a power spring is fixedly connected to the inner wall of the movable groove, a buoyancy air bag is fixedly connected to one end of the movable shaft, an air cavity is formed in the movable shaft, a power compression rod is installed in a sliding port of the control case body, an adjusting air bag is fixedly connected to the bottom wall of the power groove, and an adjusting air hole is formed in the bottom wall of the power groove.

As optimization, a sealing sleeve is arranged at the connection position of the power groove and the movable groove, heavy liquid is filled in the power groove, the length of the movable groove is smaller than that of the power groove, and the length of the movable groove is larger than the outer side length of the protective shell.

The air cavity is communicated with the buoyancy air bag, the buoyancy air bag is completely immersed in heavy liquid, buoyancy in the heavy liquid is larger than thrust of the power spring when the buoyancy air bag is completely expanded, the buoyancy in the heavy liquid is smaller than the thrust of the power spring when the buoyancy air bag is completely contracted, the power compression rod is connected with the upper rotating frame, a connecting air pipe is arranged between the power compression rod and the air cavity, a pressure spring is arranged in the power compression rod, the force required by compression of the pressure spring is larger than the force required by the power spring, the adjusting air bag is communicated with the adjusting air hole, and the force for adjusting the contraction of the air bag, zhang Suoxu is larger than the force for retracting the power spring and Zhang Suoxu.

As optimization, the adjusting air bags are arranged in the power groove, so that when the movable shaft enters the power groove, the pressure of heavy liquid is increased, the adjusting air bags are extruded to shrink, the pressure in the power groove is adjusted, the heavy liquid is not affected, and the buoyancy air bags can be always provided with buoyancy.

Preferably, the protective shell comprises a movable cover, an air channel is formed in the wall of the movable cover, and an air blowing hole communicated with the air channel is formed in the inner side of the movable cover.

Preferably, the movable cover extends into the movable groove, one side of the extending part is connected with the movable shaft, the other side of the extending part is connected with the power spring, and the power spring is a hollow air spring and is communicated with the air passage.

Preferably, a safety mechanism is arranged between the convex shaft and the rotating shaft.

As optimization, after the protective shell blows the metal scurf on the surface of the cutting blade, the metal scurf can slide from the gap, so that the phenomenon that the metal scurf is accumulated inside and the next work is influenced is avoided.

As optimization, the safety mechanism comprises a containing groove arranged on the inner side of the protruding shaft;

as optimization, the safety mechanism further comprises a clamping groove formed in the outer side of the rotating shaft, and a clamping rod is inserted between the clamping groove and the accommodating groove.

As optimization, the included angle between the clamping groove and the accommodating groove and the bottom surface is fifteen degrees to thirty degrees, and the clamping rod can conveniently slide out when the cutting machine inclines.

Compared with the prior art, the invention has the beneficial effects that:

(1) By selectively starting the protective shell according to the state of the control shell and selectively starting the protective shell according to the state of the control shell, after cutting is completed, the hydraulic rod pushes the control shell to rotate around the lower rotating frame through the upper rotating frame to reset, after resetting is completed, the hydraulic rod continues to push the upper rotating frame to extrude the power compression rod, the power compression rod contracts the internal air to enter the air cavity through the connecting air pipe and then enter the buoyancy air bag through the air cavity, the volume of the buoyancy air bag is increased, the borne buoyancy is also increased, the buoyancy air bag is lifted by heavy liquid, the protective shell rotates clockwise to wrap the cutting blade,

when needing the cutting, the hydraulic stem shrink is not at extrusion top rotating turret around the rotation of below rotating turret through top rotating turret promotion control casing, and so the top rotating turret loosens by extruded power compression lever, and power compression lever resets, with the air suction in the buoyancy gasbag, the volume diminishes, and the buoyancy that receives also diminishes, so, the buoyancy that the buoyancy gasbag receives is less than power spring's thrust, and power spring promotes the protective housing anticlockwise rotation, exposes the cutting piece and cuts.

(2) Through setting up the regulation gasbag in the power groove, so when the loose axle got into the power groove, heavy liquid pressure grow, and the extrusion is adjusted the gasbag and is made its shrink, adjusts power inslot pressure, makes heavy liquid not influenced, can provide buoyancy for the buoyancy gasbag all the time.

(3) At the stop work, during protective housing parcel cutting piece, power spring was compressed, and its inside air admission air channel strikes on the cutting piece surface through the hole of blowing at last, so can blow off the metal dander of the coarse surperficial adhesion of cutting piece, avoids influencing next work, blows simultaneously and also can reduce cutting piece temperature, increase of service life.

(4) After the protective housing blows the metal scurf on the surface of the cutting blade, the metal scurf can slide from the gap, and the phenomenon that the metal scurf is accumulated in the protective housing to affect the next work is avoided.

(5) Through setting up safety mechanism between protruding axle and axis of rotation, so when the cutting machine is vertical, the kelly is died axis of rotation and protruding axle lock, and the cutting piece can't rotate, so when clean cutting machine, prevents that the mistake from touching the start-up, leads to being injured, has improved the security, and during the cutting, the cutting machine slope, kelly roll-off draw-in groove, axis of rotation and protruding axle unblock, normal use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an overall schematic view.

Fig. 2 is a schematic view of a cutting machine.

Fig. 3 is a side sectional view of the cutter.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a front sectional view of the cutter.

Fig. 6 is an enlarged view of fig. 5 at B.

Fig. 7 is a schematic view of the inside of the protruding shaft.

Fig. 8 is a schematic view of a safety mechanism.

Reference numerals: 1. automatic wire feeder; 2. a conveying track; 3. a hydraulic rod; 4. a cutting machine; 41. a control housing; 411. a housing; 412. a power tank; 413. a movable groove; 414. a movable shaft; 415. a power spring; 416. a buoyant bladder; 417. an air cavity; 418. a powered compression bar; 419. adjusting the air bag; 410. adjusting the air holes; 42. a protruding shaft; 43. a protective shell; 431. a movable cover; 432. an air duct; 433. a gas blowing hole; 44. a rotating shaft; 45. cutting the slices; 5. a safety mechanism; 51. a receiving groove; 52. a card slot; 53. and (5) clamping the rod.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the invention provides a steel strand pulling device with a grinding wheel for cutting, which is shown in fig. 1 to 6, and comprises an automatic wire feeding machine 1, a conveying track 2, a hydraulic rod 3 and a cutting machine 4 which are all arranged on a working table, wherein the cutting machine 4 is connected with the hydraulic rod 3, the conveying track 2 is positioned obliquely below the cutting machine 4, a cutting groove corresponding to the cutting machine 4 is arranged above the conveying track 2, the cutting machine 4 comprises a control casing 41 selectively protected according to the state of the cutting machine 4, a convex shaft 42 is fixedly connected to the inner side of the control casing 41, a rotating shaft 44 is inserted into the inner side of the convex shaft 42, a cutting blade 45 is fixedly connected to the outer side of the rotating shaft 44, and a protective casing 43 for cutting off and cleaning the cutting blade 45 is rotatably connected to the outer side of the convex shaft 42.

The control housing 41 wraps up in the outside of protecting sheathing 43, and the equal fixed connection rotating turret in control housing 41 top and bottom, the top of control housing 41 is seted up smooth mouthful, top rotating turret and smooth mouthful sliding connection, and the protecting sheathing 43 parcel is in the outside of cutting piece 45, and when the protecting sheathing 43 was closed, a gap remained between protecting sheathing 43 below and the control housing 41.

At the stop work, when protective housing 43 parcel cutting piece 45, power spring 415 was compressed, and its inside air gets into air channel 432, strikes on cutting piece 45 surface through gas hole 433 at last, so can blow off the metal dander of adhesion on the rough surface of cutting piece 45, avoids influencing next work, blows simultaneously and also can reduce cutting piece 45 temperature, increase of service life.

The control housing 41 comprises a housing 411, a power groove 412 is formed in the wall of the housing 411, a movable groove 413 communicated with the power groove 412 is formed in the inner side of the housing 411, a movable shaft 414 extending into the movable groove 413 is inserted into the inner side of the power groove 412, a power spring 415 is fixedly connected to the inner wall of the movable groove 413, a buoyancy air bag 416 is fixedly connected to one end of the movable shaft 414, an air cavity 417 is formed in the movable shaft 414, a power compression rod 418 is installed in a sliding opening of the control housing 41, an adjusting air bag 419 is fixedly connected to the bottom wall of the power groove 412, and an adjusting air hole 410 is formed in the bottom wall of the power groove 412.

A sealing sleeve is arranged at the connection position of the power groove 412 and the movable groove 413, heavy liquid is filled in the power groove 412, the length of the movable groove 413 is smaller than that of the power groove 412, and the length of the movable groove 413 is larger than that of the outer edge of the protective shell 43.

The air chamber 417 is communicated with the buoyancy air bag 416, the buoyancy air bag 416 is completely immersed in heavy liquid, the buoyancy in the heavy liquid is larger than the thrust of the power spring 415 when the buoyancy air bag 416 is completely expanded, the buoyancy in the heavy liquid is smaller than the thrust of the power spring 415 when the buoyancy air bag 416 is completely contracted, the power compression rod 418 is connected with the upper rotating frame, a connecting air pipe is arranged between the power compression rod 418 and the air chamber 417, the pressure spring is arranged in the power compression rod 418, the force required by the compression of the pressure spring is larger than the force required by the power spring 415, the adjusting air bag 419 is communicated with the adjusting air hole 410, and the forces of the adjusting air bag 419 and Zhang Suoxu are larger than the forces of the power spring 415 and Zhang Suoxu.

Through the state selectivity start-up protective housing 43 according to control housing 41, after the cutting is accomplished, hydraulic stem 3 passes through top rotating turret and promotes control housing 41 and rotate around the below rotating turret and reset, after accomplishing to reset, hydraulic stem 3 continues to promote the top rotating turret, make it extrude power compression lever 418, power compression lever 418 contracts inside air and gets into in air chamber 417 through connecting the trachea, rethread air chamber 417 gets into in buoyancy gasbag 416, buoyancy gasbag 416 is bulky, the buoyancy that receives also becomes, heavy liquid is with buoyancy gasbag 416 lifting, protective housing 43 clockwise rotation, parcel cutting piece 45.

When cutting is needed, the hydraulic rod 3 is contracted to push the control shell 41 to rotate around the lower rotating frame through the upper rotating frame, the hydraulic rod 3 is contracted to not extrude the upper rotating frame, the upper rotating frame loosens the extruded power compression rod 418, the power compression rod 418 is reset to suck out air in the buoyancy air bag 416, the size is reduced, and the borne buoyancy is reduced, so that the buoyancy borne by the buoyancy air bag 416 is smaller than the thrust of the power spring 415, and the power spring 415 pushes the protective shell 43 to rotate anticlockwise to expose the cutting blade 45 for cutting;

the pressure in the power slot 412 is adjusted by positioning the adjustment bladder 419 in the power slot 412 such that when the movable shaft 414 enters the power slot 412, the adjustment bladder 419 contracts.

By arranging the adjusting air bag 419 in the power groove 412, when the movable shaft 414 enters the power groove 412, the pressure of heavy liquid is increased, the adjusting air bag 419 is extruded to be contracted, the pressure in the power groove 412 is adjusted, the heavy liquid is not influenced, and the buoyancy air bag 416 can be always provided with buoyancy

As shown in fig. 5: the protective shell 43 comprises a movable cover 431, an air duct 432 is arranged in the wall of the movable cover 431, and an air blowing hole 433 communicated with the air duct 432 is arranged on the inner side of the movable cover 431.

The movable cover 431 extends into the movable groove 413, and one side of the extending portion is connected with the movable shaft 414, and the other side of the extending portion is connected with the power spring 415, and the power spring 415 is a hollow air spring and is communicated with the air passage 432.

A safety mechanism 5 is provided between the protruding shaft 42 and the rotating shaft 44.

After the protective shell 43 blows the metal shavings on the surface of the cutting blade 45, the metal shavings can slide from the gap, so that the metal shavings are prevented from being accumulated in the protective shell to influence the next work.

As shown in fig. 7 to 8: the safety mechanism 5 includes a housing groove 51 formed inside the protruding shaft 42;

the safety mechanism 5 further comprises a clamping groove 52 formed on the outer side of the rotating shaft 44, and a clamping rod 53 is inserted between the clamping groove 52 and the accommodating groove 51.

The included angle between the clamping groove 52 and the accommodating groove 51 and the bottom surface is fifteen degrees to thirty degrees, so that the clamping rod 53 can conveniently slide out when the cutting machine 4 inclines.

Through set up safety mechanism 5 between protruding axle 42 and axis of rotation 44, so when cutting machine 4 is vertical, kelly 53 dies axis of rotation 44 and protruding axle 42 lock, and cutting piece 45 is unable to rotate, so when clean cutting machine 4, prevents that the mistake from touching the start-up, leads to the injury, has improved the security, and during the cutting, cutting machine 4 slope, kelly 53 roll-off draw-in groove 52, axis of rotation 44 and protruding axle 42 unblock, but normal use.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a steel strand wires of taking abrasive wheel cutting wears to restraint device, includes that automatic send line machine (1), delivery track (2), hydraulic stem (3), cutting machine (4), and all sets up on table surface, and cutting machine (4) are connected with hydraulic stem (3), and delivery track (2) are located the oblique below of cutting machine (4), and delivery track (2) top is provided with the cut groove that cuts that corresponds with cutting machine (4), its characterized in that: the cutting machine (4) comprises a control shell (41) selectively protected according to the state of the cutting machine, the inner side of the control shell (41) is fixedly connected with a convex shaft (42), the inner side of the convex shaft (42) is inserted with a rotating shaft (44), the outer side of the rotating shaft (44) is fixedly connected with a cutting blade (45), and the outer side of the convex shaft (42) is rotatably connected with a protective shell (43) for separating and cleaning the cutting blade (45); the control shell (41) is wrapped on the outer side of the protective shell (43), the top and the bottom of the control shell (41) are fixedly connected with the rotating frame, a sliding opening is formed above the control shell (41), the rotating frame above the control shell is connected with the sliding opening in a sliding mode, the protective shell (43) is wrapped on the outer side of the cutting blade (45), and when the protective shell (43) is closed, a gap is reserved between the lower portion of the protective shell (43) and the control shell (41); the control shell (41) comprises a shell (411), a power groove (412) is formed in the wall of the shell (411), a movable groove (413) communicated with the power groove (412) is formed in the inner side of the shell (411), a movable shaft (414) extending into the movable groove (413) is inserted into the inner side of the power groove (412), a power spring (415) is fixedly connected to the inner wall of the movable groove (413), a buoyancy air bag (416) is fixedly connected to one end of the movable shaft (414), an air cavity (417) is formed in the inner part of the movable shaft (414), a power compression rod (418) is installed in a sliding opening of the control shell (41), an adjusting air bag (419) is fixedly connected to the bottom wall of the power groove (412), an adjusting air hole (410) is formed in the bottom wall of the power groove (412), a sealing sleeve is arranged at the connection position of the power groove (412) and the movable groove (413), heavy liquid is filled in the power groove (412), the length of the movable groove (413) is smaller than that of the power groove (412), the length of the movable groove (413) is larger than the length of the outer edge of the protective shell (43), the air hole (417) is communicated with the buoyancy air bag (416), the buoyancy air bag (416) is completely immersed in the heavy liquid, and buoyancy in the heavy liquid is larger than the thrust of the power spring (415) when the buoyancy air bag (416) is completely expanded, and when the heavy liquid is completely contracted, the buoyancy in the heavy liquid is smaller than the thrust of the power spring (415), the power compression rod (418) is connected with the upper rotating frame, a connecting air pipe is arranged between the power compression rod (418) and the air cavity (417), a pressure spring is arranged in the power compression rod (418), the force required by the compression of the pressure spring is larger than the force required by the compression of the power spring (415), the adjusting air bag (419) is communicated with the adjusting air hole (410), and the force for adjusting the contraction of the air bag (419) and Zhang Suoxu is larger than the force for adjusting the contraction of the power spring (415) and Zhang Suoxu.

2. The steel strand pulling device with the abrasive wheel cutting function according to claim 1, wherein: the protective shell (43) comprises a movable cover (431), an air duct (432) is formed in the wall of the movable cover (431), and an air blowing hole (433) communicated with the air duct (432) is formed in the inner side of the movable cover (431).

3. The steel strand pulling device with the abrasive wheel cutting function as claimed in claim 2, wherein: the movable cover (431) extends into the movable groove (413), one side of the extending part is connected with the movable shaft (414), the other side of the extending part is connected with the power spring (415), and the power spring (415) is a hollow air spring and is communicated with the air passage (432).

4. The steel strand pulling device with the abrasive wheel cutting function according to claim 1, wherein: a safety mechanism (5) is arranged between the convex shaft (42) and the rotating shaft (44).

5. The steel strand pulling device with the grinding wheel cutting function as claimed in claim 4, wherein: the safety mechanism (5) comprises a containing groove (51) arranged on the inner side of the protruding shaft (42);

the safety mechanism (5) further comprises a clamping groove (52) formed in the outer side of the rotating shaft (44), and a clamping rod (53) is inserted between the clamping groove (52) and the accommodating groove (51).

6. The steel strand pulling device with the abrasive wheel cutting function according to claim 5, wherein: the included angle between the clamping groove (52) and the accommodating groove (51) and the bottom surface is fifteen degrees to thirty degrees.