CN219028001U - Saw blade moving device - Google Patents

Abstract

The utility model relates to the technical field of rock cutters, in particular to a saw blade moving device. The saw blade moving device comprises a saw blade, a driving device, a moving assembly, a sliding rail and a sliding piece, wherein the driving device is connected with a rotating shaft of the saw blade and used for driving the saw blade to work, the sliding rail is fixedly connected with an excavator, the sliding piece can slide on the sliding rail, the driving device is fixedly connected with the sliding piece, the moving assembly is connected with the sliding piece and used for driving the sliding piece to slide on the sliding rail, and the driving device and the saw blade can move along with the sliding piece on the sliding rail. According to the utility model, the saw blade can move in the sliding rail travel under the condition that the excavator does not act through the sliding rail and the sliding piece, the moving assembly can be independently controlled, an operator can control the moving direction and speed of the saw blade on the sliding rail without operating the big arm and the small arm of the excavator and the bucket cylinder, and the saw blade can be controlled more safely and efficiently.

Description

Saw blade moving device

Technical Field

The utility model relates to the technical field of rock cutters, in particular to a saw blade moving device.

Background

In large mines or quarries, it is necessary to cut large stone blocks into small blocks using a cutter, and in some quarries, a circular saw blade is mounted on a mechanical arm of an excavator, i.e., a bucket of an original excavator is replaced with the circular saw blade. The saw blade needs to advance along the cutting position in the cutting process, the movement of the saw blade is controlled by the excavator and the crawler belt, an operator is required to operate the excavator to control the movement distance and speed in the cab of the excavator in the moving process, and the technical level requirement on the operator is high. The distance that operating personnel operated at the excavator driver's cabin is farther, and the saw bit cutting position and situation are not convenient for in time observed, can't in time change saw bit moving direction and speed according to cutting situation.

Disclosure of Invention

The utility model aims to provide a saw blade moving device so as to solve the problems that an operator is inconvenient to observe a saw blade in time and control the movement of the saw blade in a cab of an excavator.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a saw bit mobile device, includes saw bit, drive arrangement, moving component, slide rail, slider, and drive arrangement is connected with the pivot of saw bit and is used for driving the saw bit work, and the slide rail is used for with excavator fixed connection, and the slider can slide on the slide rail, drive arrangement and slider fixed connection, moving component are connected with the slider and are used for driving the slider to slide on the slide rail, and drive arrangement and saw bit can be along with the slider motion on the slide rail.

According to the utility model, the saw blade can move in the sliding rail travel under the condition that the excavator does not act through the sliding rail and the sliding piece, the moving assembly can be independently controlled, an operator can control the moving direction and speed of the saw blade on the sliding rail without operating the big arm and the small arm of the excavator and the bucket cylinder, and the saw blade can be controlled more safely and efficiently.

In one embodiment, the sliding surface of the sliding rail is arranged on the upper surface of the sliding rail, the sliding piece is a sliding block, and the driving device is fixedly connected with the sliding block and hung below the sliding rail.

The driving device is hung below the sliding rail, so that the heights of the driving device and the saw blade can be reduced, and when the cutting depth is deeper, the parts such as the sliding rail and the sliding piece can be prevented from touching rocks along with the descending of the saw blade.

In one embodiment, the sliding rail comprises a first sliding rail and a second sliding rail, the first sliding rail and the second sliding rail are arranged at intervals in the width direction of the sliding rail, the direction between the first sliding rail and the second sliding rail is the inner side, the direction opposite to the inner side is the outer side, the sliding piece comprises a first sliding block and a second sliding block, the first sliding block is arranged on the first sliding rail, the second sliding block is arranged on the second sliding rail, and the first sliding block and the second sliding block are fixedly connected with the driving device in a mode of extending downwards from the outer side directions of the two sliding rails.

The first sliding block and the second sliding block are in a certain distance from the connecting position of the driving device, which is equivalent to lifting the driving device from two positions with a certain interval, so that the driving device is more stable and rollover is avoided.

In one embodiment, the first slider and the second slider each comprise an L-shaped connecting block, sliding blocks arranged on two sides of the connecting block and capable of sliding on the sliding rail, and a pressing block for connecting the sliding blocks with the connecting block, wherein the pressing block is arranged above the sliding blocks and the connecting block, the L-shaped connecting block is provided with a sliding part arranged on the sliding rail and a connecting part bent downwards from the sliding part, and the connecting part extends downwards from the outer side direction of the sliding rail and is fixedly connected with the driving device.

Two connecting portions of two sliders all extend downwards from the outside direction of slide rail, so drive arrangement hangs on the slide rail from the outside of two slide rails, and the briquetting can be followed the top and pushed down connecting block and sliding block, increases the stability of slider to further improve drive arrangement's stability.

In one embodiment, the sliding block is provided with a sliding groove, the sliding groove comprises a sliding surface and constraint surfaces arranged on two sides of the sliding surface, the sliding rail is provided with a convex rail protruding upwards, the sliding surface corresponds to the sliding surface of the convex rail, and the constraint surfaces are used for constraining the sliding block on two sides of the convex rail.

Because of the existence of the constraint surface, the sliding groove can only slide along the length direction of the convex rail, so that the driving device is prevented from moving along with the sliding block in the width direction of the sliding rail, the saw blade is more stable, and the cutting precision is improved.

In one embodiment, the saw blade moving device further comprises a controller, a rotation speed sensor, a direction hydraulic motor and a driving hydraulic motor, wherein the rotation speed sensor is used for collecting the rotation speed of the saw blade, and the controller is used for controlling the rotation speed of the direction hydraulic motor and the driving hydraulic motor according to the rotation speed of the disc saw blade collected by the rotation speed sensor, so that the distance of the disc saw blade along the sliding rail is adjusted.

The sensor and the controller are arranged, so that the movement speed of the saw blade can be adjusted according to the rotation speed of the saw blade, the stress of the saw blade is balanced in the working process, and the saw blade is prevented from being damaged.

In one embodiment, the moving assembly comprises a chain wheel fixed at two ends of the sliding rail, a chain wound on the chain wheel and a direction hydraulic motor for driving the chain wheel to rotate, an electromagnetic hydraulic valve of the direction hydraulic motor is connected with the controller, and two ends of the chain are fixed at two sides of the driving device.

The sprocket chain rotates to drive the driving device to move along the chain, and the driving device can be reversely moved by reversely rotating the hydraulic motor, so that the reciprocating movement of the driving device and the saw blade is realized.

In one embodiment, the driving device is a reduction gearbox, a driving hydraulic motor and a reduction mechanism are arranged in the reduction gearbox, an electromagnetic hydraulic valve of the driving hydraulic motor is electrically connected with the controller, an input end of the reduction mechanism is connected with an output end of the driving hydraulic motor to enable an input shaft of the reduction mechanism to synchronously rotate with an output shaft of the driving hydraulic motor, the saw blade is a disc saw blade, and an output end of the reduction mechanism is connected with a rotating shaft of the disc saw blade.

The disc saw blade has higher working strength and can be used for cutting stone blocks with higher hardness such as granite.

In one embodiment, the blade moving device is secured to the end of the excavator mechanical arm by a connector.

The saw blade moving device is fixedly connected with the excavator, the whole machine can be transported through the excavator, the saw blade can be moved for a long distance, and after the saw blade is cut in the sliding rail stroke, the excavator or the mechanical arm of the excavator is moved to move the saw blade to the next cutting position.

The utility model has the following beneficial effects: the saw blade and the excavator are combined to realize the transportation and long-distance movement of the saw blade, and the movement assembly is independently arranged, so that the saw blade can be independently controlled to move within a certain distance, namely the fine movement of the saw blade is controlled, the direction and the speed of the movement of the saw blade can be accurately controlled in the working process, and the cutting precision and the cutting efficiency are improved; an operator can observe the saw blade at a position convenient for observing the cutting condition of the saw blade so as to control the saw blade to move, and the operation difficulty of the operator is reduced; because the movement and the work of the saw blade are controlled by the hydraulic motor, parameters such as the cutting depth, the stress condition, the cutting speed and the like of the saw blade are detected by the installed displacement sensor, the hydraulic sensor and the rotating speed sensor, and the saw blade cutting control system is used for changing the rotating speed and the power of the direction hydraulic motor and driving the hydraulic motor, so that the automation of the saw blade cutting control is realized.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view (without the saw blade) of another view of the present utility model;

FIG. 3 is an exploded view of the drive assembly and the slider;

FIG. 4 is a perspective view of a slider;

FIG. 5 is a top view of the present utility model;

FIG. 6 is a cross-sectional view of FIG. 5;

FIG. 7 is a state of use of the present utility model;

wherein: 1 saw blade, 2 driving device, 21 reducing gear box, 22 output shaft, 23 ring flange, 3 slide rail, 31 first slide rail, 32 second slide rail, 33 sliding surface, 34 convex rail, 4 slider, 41 first slider, 42 second slider, 43 connecting block, 44 sliding block, 441 spout, 442 sliding surface, 443 restraint surface, 45 briquetting, 5 moving component, 51 sprocket, 52 chain, 6 frame.

Detailed Description

For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.

Referring to fig. 1, as an embodiment of the present utility model, there is provided a saw blade moving device including a saw blade 1, a driving device 2 driving the saw blade 1, a sliding rail 3, a sliding member 4, and a moving assembly 5 for moving the saw blade along the sliding rail 3, wherein the saw blade 1 is used for cutting rock, the driving device 2 is fixedly connected with the saw blade 1 and the sliding member 4, the sliding rail 3 is fixed on a frame 6, the sliding member 4 is slidably fixed on the sliding rail 3, and the sliding member 4 slides on the sliding rail 3 and can move along the sliding rail 3 with the driving device 2 and the saw blade 1, and the moving assembly 5 is connected with the sliding member 4 for driving the sliding member 4 to slide along the sliding rail. The saw blade 1 can cut a block of stone in a unidirectional or reciprocating motion along the slide 3 under the action of the drive 2 and the movement assembly 5.

Referring to fig. 3 and 6, the driving device 2 includes a reduction gearbox 21, a driving hydraulic motor disposed in the reduction gearbox 21, and a reduction mechanism. In this example, the speed reducing mechanism is a speed reducing gear set, an output shaft of the driving hydraulic motor is connected with an input shaft of the speed reducing gear set through a spline, the speed reducing gear set reduces the rotating speed of the driving hydraulic motor and then outputs the rotating speed from the output shaft, an output shaft 22 of the speed reducing gear set extends out of the speed reducing box 21, and a flange plate 23 is arranged at the tail end of the output shaft 22 and fixedly connected with the saw blade 1. In this example, the saw blade 1 is a circular saw blade, so that the flange plate 23 is fixed at the rotating shaft of the saw blade 1, and the hydraulic motor is driven to rotate to drive the circular saw blade to rotate so as to cut stone.

Referring to fig. 1, 3, and fig. 4-5, the sliding rail 3 includes a first sliding rail 31 and a second sliding rail 32, where the first sliding rail 31 and the second sliding rail 32 are arranged at intervals in a width direction, and sliding surfaces 33 of the first sliding rail 31 and the second sliding rail 32 face to an upper side of the sliding rail 3. The sliding member 4 is a sliding block, and includes a first sliding block 41 and a second sliding block 42, where the first sliding block 41 is disposed on the first sliding rail 31, the first sliding block 41 can slide along the first sliding rail 31, the second sliding block 42 is disposed on the second sliding rail 32, and the second sliding block 42 can slide along the second sliding rail 32. The sliding piece 4 is fixedly connected with the reduction gearbox 21 in a mode of extending downwards from the outer sides of the two sliding rails 3, wherein the direction between the first sliding rail 31 and the second sliding rail 32 facing each other is the inner side of the sliding rail, and the direction between the first sliding rail 31 and the second sliding rail 32 facing away from each other is the outer side of the sliding rail. Since the first slide rail 31 and the second slide rail 32 are arranged at intervals, a certain distance exists between the first slide rail 31 and the second slide rail 32, and the first slide block 41 and the second slide block 42 extend downwards from the outer sides of the corresponding slide rails to be fixedly connected with the reduction gearbox 21, so that a certain distance exists between the connecting points of the two slide pieces 4 and the reduction gearbox 21 and is larger than the distance between the two slide rails 3. The reduction gearbox 21 is suspended below the sliding rail 3 in a mode of being lifted upwards from two points, so that the reduction gearbox is more stable and is not easy to roll over, the saw blade is not easy to incline, and the cutting precision is improved.

Referring to fig. 3 to 6, each of the sliders includes an L-shaped connection block 43, sliding blocks 44 provided at both sides of the connection block 43 along the length direction of the slide rail 3, and pressing blocks 45 connecting the connection block 43 and the sliding blocks 44. The pressing block 45 is fixedly connected with the upper surfaces of the connecting block 43 and the sliding block 44, has downward pressing force on the connecting block 43 and the sliding block 44, and can press the connecting block 43 and the sliding block 44 on the sliding rail 3. The connection block 43 is L-shaped, having a slide portion 431 provided on the slide rail 3 and a connection portion 432 extending downward from the slide portion 431, the connection portion 432 being provided outside the corresponding slide rail 3. The sliding block 44 has a sliding groove 441 opening toward the slide rail 3, and the sliding groove 441 has a sliding surface 442 and a restricting surface 443 disposed on both sides of the sliding surface 442. The sliding rail 3 has a protruding rail 34 protruding upwards, the upper surface of the protruding rail 34 is a sliding surface 33, and a sliding surface 442 of the sliding groove 441 contacts with the sliding surface 33 and can slide relatively. The restriction surface 443 of the sliding groove 441 restricts the sliding groove 441 on both sides of the convex rail 34, so that the sliding block 44 can only slide along the length direction of the sliding rail 3, but cannot move left and right in the width direction of the sliding rail 3, further improving the stability of the reduction gearbox 21, thereby improving the cutting precision of the saw blade 1 and enabling the saw blade 1 to be controlled more easily. In other embodiments, the sliding member may also be a sliding sleeve, and accordingly, the sliding rail may be changed into a sliding rod, and the sliding sleeve is wrapped outside the sliding rod.

Referring to fig. 1, 2 and 7, the moving assembly 5 includes a sprocket 51 fixedly disposed at two ends of the sliding rail 3, a chain 52 wound around the sprocket 51 and moving along with rotation of the sprocket 51, a direction hydraulic motor driving the rotation of the sprocket 51, the direction hydraulic motor only needs to be connected with one of the sprockets, a worm gear reduction mechanism is disposed between the direction hydraulic motor and the sprocket 51, and an input shaft of the worm gear reduction mechanism is connected with an output shaft of the direction hydraulic motor through a spline, so that the worm gear reduction mechanism reduces the rotation speed of the direction hydraulic motor and transmits power to the sprocket 51. Both ends of the chain 52 are fixedly connected with the reduction gearbox 21, and when the chain wheel 51 rotates, the chain 52 drives the reduction gearbox 21 to move along the sliding rail 3, so that the saw blade 1 is driven to move along the sliding rail 3. In other embodiments, the moving assembly may also be a linear motor connected to the first slider 41 or the second slider 42 or the reduction gearbox 21, and the movement direction of the linear motor is the same as the length direction of the sliding rail 3. In addition, the moving component can also be a gear motor, the corresponding sliding rail can be a rack, the sliding piece can be a gear, the gear and the motor are connected with a rotating shaft of the gear, the driving gear moves on the rack, and a connecting piece is arranged between the gear and the reduction gearbox 21 so that the reduction gearbox moves on the rack along with the gear but does not rotate along with the gear.

The utility model is fixedly connected with the tail end of the mechanical arm of the excavator, a connecting piece is arranged between the sliding rail 3 and the tail end of the small arm of the excavator, and when the excavator runs or the mechanical arm moves, the utility model can realize long-distance movement and transportation.

The utility model is also provided with a controller and a rotating speed sensor, wherein the rotating speed sensor is arranged in the reduction gearbox 21 and is used for collecting the rotating speed of the disc saw blade, the controller is electrically connected with the rotating speed sensor, and the controller is also connected with an electromagnetic hydraulic valve of the directional hydraulic motor and an electromagnetic hydraulic valve of the driving hydraulic motor, so that corresponding output values of the directional hydraulic motor and the driving hydraulic motor can be controlled and changed according to the pressure of the main pump and the rotating speed of the saw blade, thereby parameters such as stress condition of cutting, cutting speed, cutting depth and the like are adjusted, and automation of cutting control of the saw blade is realized.

The hydraulic cylinder and the corresponding accessories are added on the saw blade moving device, so that the hydraulic system of the excavator can be used for controlling the saw blade moving device, the positioning and lifting operation of the saw blade and the like are realized, the working process of the saw blade is perfected, but the specific connection and operation of the saw blade moving device are not in the scope of the utility model, and are not repeated here.

The workflow of this embodiment is as follows: the excavator is operated to move the utility model to the working position, the hydraulic motor in the starting direction moves the saw blade 1 to the starting cutting position, the hydraulic motor is started to drive the saw blade 1 to work, and in the working process of the saw blade 1, the sprocket wheel is driven by the hydraulic motor in the direction to rotate so that the saw blade 1 moves unidirectionally or reciprocally along the length direction of the sliding rail 3, and the saw blade 1 moves within a distance range not greater than the length of the sliding rail 3.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (9)

1. The utility model provides a saw bit mobile device, its characterized in that includes saw bit, drive arrangement, moving component, slide rail, slider, and drive arrangement is connected with the pivot of saw bit and is used for driving the saw bit work, and the slide rail is used for with excavator fixed connection, and the slider can slide on the slide rail of installation, drive arrangement and slider fixed connection, moving component are connected with the slider and are used for driving the slider to slide on the slide rail, and drive arrangement and saw bit can be along with the slider motion on the slide rail.

2. The saw blade shifting device of claim 1, wherein the sliding surface of the sliding rail is disposed on the upper surface of the sliding rail, the sliding member is a sliding block, and the driving device is fixedly connected with the sliding block and suspended below the sliding rail.

3. The saw blade moving device according to claim 1, wherein the slide rail includes a first slide rail and a second slide rail which are arranged at intervals in a width direction thereof, a direction between the first slide rail and the second slide rail being an inner side and a direction opposite to the inner side being an outer side, the slide member includes a first slider and a second slider, the first slider is provided on the first slide rail, the second slider is provided on the second slide rail, and the first slider and the second slider are fixedly connected with the driving device in such a manner as to extend downward from the outer side directions of the two slide rails.

4. The saw blade moving device according to claim 3, wherein the first slider and the second slider each comprise an L-shaped connecting block, sliding blocks arranged on two sides of the connecting block and capable of sliding on the slide rail, and pressing blocks for connecting the sliding blocks with the connecting block, the pressing blocks are arranged above the sliding blocks and the connecting block, the L-shaped connecting block is provided with a sliding part arranged on the slide rail and a connecting part bent downwards from the sliding part, and the connecting part extends downwards from the outer side direction of the slide rail and is fixedly connected with the driving device.

5. The saw blade shifting device of claim 4, wherein the sliding block is provided with a sliding groove, the sliding groove comprises a sliding surface and restraining surfaces arranged on two sides of the sliding surface, the sliding groove is provided with a convex rail protruding upwards, the sliding surface corresponds to the sliding surface of the convex rail, and the restraining surfaces restrain the sliding block on two sides of the convex rail.

6. The saw blade shifting device of claim 1, further comprising a controller, a rotational speed sensor, a directional hydraulic motor, a driving hydraulic motor, wherein the rotational speed sensor is used for acquiring the rotational speed of the saw blade, and the controller is used for controlling the rotational speeds of the directional hydraulic motor and the driving hydraulic motor according to the rotational speed of the disc saw blade acquired by the rotational speed sensor, thereby adjusting the distance of the disc saw blade along the sliding rail.

7. The saw blade shifting device of claim 1, wherein the shifting assembly comprises a sprocket fixed at both ends of the sliding rail, a chain wound on the sprocket, and a directional hydraulic motor for driving the sprocket to rotate, an electromagnetic hydraulic valve of the directional hydraulic motor is electrically connected with the controller, and both ends of the chain are fixed at both sides of the driving device.

8. The saw blade moving device according to claim 1, wherein the driving device is a reduction gearbox, a driving hydraulic motor and a reduction mechanism are arranged in the reduction gearbox, an input end of the reduction mechanism is connected with an output end of the driving hydraulic motor, an input shaft of the reduction mechanism and an output shaft of the driving hydraulic motor synchronously rotate, the saw blade is a disc saw blade, and an output end of the reduction mechanism is connected with a rotating shaft of the disc saw blade.

9. The blade shifting apparatus of claim 1, wherein the blade shifting apparatus is secured to the end of the arm of the excavator by a connector.

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