CN216578602U - Rope breaking prevention device of rope sawing machine - Google Patents
Rope breaking prevention device of rope sawing machine Download PDFInfo
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- CN216578602U CN216578602U CN202123058224.2U CN202123058224U CN216578602U CN 216578602 U CN216578602 U CN 216578602U CN 202123058224 U CN202123058224 U CN 202123058224U CN 216578602 U CN216578602 U CN 216578602U
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Abstract
The utility model relates to the technical field of diamond wire saws, in particular to a wire breakage preventing device of a wire saw, which comprises a motor, wherein a motor extension shaft is provided with a driving wheel; a support is arranged on the output end face of the motor, a guide wheel and a tension detection wheel are arranged on the support, the guide wheel is arranged above the driving wheel, the tension detection wheel is arranged between the guide wheel and the driving wheel, and the tension detection wheel is arranged on one side of the driving wheel close to a cutting object; a guide rail groove is formed in the support, a sliding block sliding along the guide rail groove is arranged in the guide rail groove, and a tension detection wheel is arranged on the sliding block; a spring is arranged on the bracket, and one end of the spring is connected with the sliding block; a travel switch is arranged on the bracket close to the tension detection wheel; the spring can prevent the tension detection wheel from moving in the guide rail groove. The motor can be quickly cut off when the diamond rope is stuck, the diamond rope is prevented from being broken, and the diamond rope anti-breaking device can meet the requirements of diamond rope anti-breaking use with different tensile strengths.
Description
Technical Field
The utility model relates to the technical field of diamond wire saws, in particular to a wire breakage preventing device of a wire saw.
Background
At present, the rope saw cutting machine on the market drives a driving wheel by a driving motor, and the driving wheel drives a diamond rope to move, so that the diamond rope and a cutting object generate relative displacement, and cutting is realized. The diamond rope in motion is fixed a position through the leading wheel before combining with the drive wheel, prevents that the diamond rope from droing from the drive wheel. In some cases, for example, hard foreign matters such as steel bars and hard stones inside the cutting object, the cutting object may be stuck due to the reduction of the cutting gap caused by insufficient support of the cutting object, so that the internal tension of the diamond rope may be suddenly increased, and the diamond rope may be broken at a weak point, which is usually a manufacturing defect of a steel wire inside the diamond rope, or a position of a steel wire joint. In addition, constructors misoperation, too fast rope winding speed can also cause the internal tension of the diamond rope to increase, thereby causing the diamond rope to break. This can lead to the wire saw cutting machine can't work, increases the engineering man-hour, increases the loss cost, and what is more, the fracture of diamond rope can threaten constructor's life safety.
For the fracture problem caused by the clamping of the diamond rope, patent CN211113229U discloses a diamond rope saw cutting protection device, which comprises a protection assembly, wherein the protection assembly comprises a force unloading rod for rapidly retracting and unloading the diamond rope and a support frame for breaking and unloading the diamond rope, a protective net is arranged at the upper end of the support frame, the force unloading rod comprises two sub force unloading rods, and the two sub force unloading rods are intersected to form an X-shaped structure; through the effect of unloading pole and protection network, diamond rope saw is in the use, even the bursting apart of diamond rope with retract rapidly, unloading pole and protection network can unload the power effect along with diamond rope, prevented that diamond rope from bursting apart suddenly and retracting rapidly and can produce the condition of injury to the staff in the course of the work, because two son unloading poles intersect and form X type structure, when having guaranteed diamond rope saw use in equidirectional, equally can reach the effect of protection staff safety. The protection device is provided with the protection component from the angle of protecting the safety of workers, but the protection device can not prevent the diamond rope from being broken, and the problem of stopping the rope sawing machine still exists.
Therefore, it is urgently needed to design a rope breakage preventing device of a rope sawing machine, under the dead condition of diamond rope clamping, the motor can be quickly and effectively stopped to rotate, and the diamond rope is prevented from being broken.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem, the utility model provides a rope breakage preventing device of a rope sawing machine, aiming at quickly and effectively stopping a motor from rotating under the condition that a diamond rope is stuck and preventing the diamond rope from being broken.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a rope breakage preventing device of a rope sawing machine comprises a motor base, wherein a motor is arranged on the motor base and is provided with an extending shaft, and a driving wheel is arranged on the extending shaft; a cutting object to be cut is arranged on one side of the driving wheel; a support is arranged on the output end face of the motor, a guide wheel and a tension detection wheel are arranged on the support, the guide wheel is arranged above the driving wheel, the tension detection wheel is arranged between the guide wheel and the driving wheel, the tension detection wheel is arranged on one side of the driving wheel close to the cutting object, and a diamond rope sequentially surrounds the driving wheel, the tension detection wheel, the guide wheel and the cutting object;
the bracket is provided with a guide rail groove, a slide block sliding along the guide rail groove is arranged in the guide rail groove, and the slide block is provided with a tension detection wheel; the guide rail groove is arranged along an angular bisector of an included angle formed by coating the tension detection wheel by the diamond rope, the included angle extends from the coated side of the tension detection wheel to the tension detection wheel, the bracket is provided with a spring, and one end of the spring is connected with the sliding block; a travel switch is arranged on the bracket close to the tension detection wheel; the spring can prevent the tension detection wheel from moving in the guide rail groove.
Further, the spring is arranged in the guide rail groove, the spring is a compression spring, and the spring is arranged on one side, away from the cutting object, of the sliding block; the support is provided with a threaded hole, the threaded hole is arranged along the length direction of the guide rail groove, an adjusting rod penetrates through the threaded hole, and the adjusting rod is connected with the threaded hole through threads.
Further, the spring is arranged in the guide rail groove, the spring can also be an extension spring, and the spring is arranged on one side of the slide block close to the cutting object; the support is provided with a threaded hole, the threaded hole is arranged along the length direction of the guide rail groove, an adjusting rod penetrates through the threaded hole, and the adjusting rod is connected with the threaded hole through threads.
Furthermore, one end of the adjusting rod is in contact with the sliding block, and the other end of the adjusting rod is provided with a rotating handle; the travel switch is characterized in that a waist hole is formed in the support, and the travel switch is fixed to the support through the waist hole.
Furthermore, one end of the adjusting rod can be connected with the spring, and the other end of the adjusting rod is provided with a rotating handle.
Furthermore, a spring groove can be arranged on one side of the guide rail groove, a certain angle is formed between the spring groove and the guide rail groove, and the spring is arranged in the spring groove; a clamping block is arranged at one end, close to the sliding block, of the spring, and a clamping groove corresponding to the clamping block is arranged on the sliding block; a threaded hole is formed in the support on one side, away from the guide rail groove, of the spring groove, an adjusting rod penetrates through the threaded hole, and the threaded holes of the adjusting rod are connected through threads; one end of the adjusting rod is in contact with the spring, and the other end of the adjusting rod is provided with a rotating handle.
Furthermore, the clamping blocks are spherical, and the clamping grooves are hemispherical.
Furthermore, the clamping block can be wedge-shaped, one side of the clamping block close to the sliding block is an inclined plane, and the clamping groove is an inclined plane groove corresponding to the clamping block.
Furthermore, a plurality of fixing holes are formed in the support, the fixing holes are arranged along the circumference of the extending shaft in an array mode, and the support is connected with the motor through the fixing holes.
Furthermore, two limiting tables are arranged on the sliding block, the limiting tables are arranged on two sides of the guide rail groove, and the distance between the two limiting tables is 0-2mm larger than the thickness of the support.
The utility model has the following beneficial effects:
(1) according to the tension detection device, the tension detection wheel is arranged between the driving wheel and the guide wheel, the guide wheel and the tension detection wheel are both arranged on the support, the support is provided with the guide rail groove, the slide block is arranged in the guide rail groove, and the tension detection wheel is arranged on the slide block, so that the tension detection wheel can slide along the guide rail groove, and the spring is arranged for preventing the tension detection wheel from sliding; when the diamond rope card was died, the tension that the diamond rope received increased, and the tension detection wheel has along the gliding trend of guide rail groove, and when tension increased to the resistance that surpasss the spring, the tension detection wheel slided along the guide rail groove, triggers the instruction of shutting down when the tension detection wheel striking travel switch, and the motor is shut down, prevents the fracture of diamond rope.
(2) According to the utility model, the position of the spring or the slide block is adjusted by the adjusting rod, so that different pre-tightening resistances are adjusted, and the diamond rope with different tensile strengths can be used for preventing breakage.
(3) Because the spring is adopted to provide resistance for the tension detection wheel, when the tension detection wheel is under large tension, the deformation of the spring can enable the tension detection wheel to release the diamond rope with a certain length, and certain response time is provided for delaying the stop instruction of the electrical system.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural view of the stent of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a third embodiment of the present invention.
Fig. 5 is a sectional view of a third embodiment of the present invention.
Description of reference numerals:
1-a motor base; 2, a motor; 3-driving wheels; 4-cutting the object; 5-a bracket; 6-a guide wheel; 7-a tension detection wheel; 8-diamond wire; 9-a slide block; 10-a spring; 11-a travel switch; 12-adjusting the rod; 13-a cartridge.
Detailed Description
The technical solutions of the present invention will be described in detail with reference to the accompanying drawings, and it is obvious that the described embodiments are not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.
It is to be understood that the terms "center," "upper," "lower," "horizontal," "left," "right," "front," "rear," "lateral," "longitudinal," and the like are used in the illustrated orientation or positional relationship as shown in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Example one
As shown in fig. 1-2, the utility model provides a rope breakage preventing device of a rope sawing machine, which comprises a motor base 1, wherein a motor 2 is arranged on the motor base 1, the motor 2 is provided with an extending shaft, and a driving wheel 3 is arranged on the extending shaft; a cutting object 4 to be cut is arranged on one side of the driving wheel 3; installing support 5 on the output terminal surface of motor 2, set up leading wheel 6 and tension detection wheel 7 on the support 5, leading wheel 6 set up in 3 tops of drive wheel, the both sides face of leading wheel 6 sets up the arch, forms the recess between the arch, and diamond rope 8 inlays in the recess, and leading wheel 6 provides the guide effect for diamond rope 8's rotation, prevents that diamond rope 8's direction of rotation from taking place the skew. The tension detection wheel 7 is arranged between the guide wheel 6 and the driving wheel 3, the tension detection wheel 7 is arranged on one side of the driving wheel 3 close to the cutting object 4, and the diamond rope 8 sequentially surrounds the driving wheel 3, the tension detection wheel 7, the guide wheel 6 and the cutting object 4;
a guide rail groove is formed in the support 5, a sliding block 9 sliding along the guide rail groove is arranged in the guide rail groove, and a tension detection wheel 7 is arranged on the sliding block 9; the guide rail groove is arranged along an angular bisector of an included angle formed by coating the tension detection wheel 7 by the diamond rope 8 and extends from the coated side of the tension detection wheel 7 to the tension detection wheel 7, a spring 10 is arranged in the guide rail groove, one end of the spring 10 is fixed on the inner wall of the guide rail groove, and the other end of the spring 10 is connected with the sliding block 9; and a travel switch 11 is arranged on the bracket 5 close to the tension detection wheel 7.
The spring 10 is a compression spring, the spring 10 is arranged on one side of the sliding block 9 far away from the cutting object 4, and the resilience force of the spring 10 when being compressed provides resistance for the sliding of the sliding block 9; the spring 10 may also be an extension spring, the spring 10 is disposed on a side of the slider 9 close to the cutting object 4, and the resilience of the spring 10 when the spring is extended provides resistance to the sliding of the slider 9.
The bracket 5 is provided with a threaded hole, the threaded hole is arranged along the length direction of the guide rail groove, an adjusting rod 12 penetrates through the threaded hole, and the adjusting rod 12 is connected with the threaded hole through threads; one end of the adjusting rod 12 is in contact with the sliding block 9, and the other end of the adjusting rod 12 is provided with a rotating handle. Can adjust through twist grip adjust the feed length of pole 12, and then can adjust the initial compression volume of spring 10, to the diamond rope 8 of different tensile strength, the atress when its fracture is different, not only can satisfy the use of multiple diamond rope through adjusting pole 12, can also prevent the transmission unstability that leads to because of the compressibility of spring.
Set up the waist hole on the support 5, travel switch 11 passes through the waist hole to be fixed on the support 5, travel switch 11's fixed position can be adjusted through the waist hole, and travel switch 11 of different positions needs different spring compression volume to trigger, consequently, can be applicable to the use of different tensile strength's diamond rope.
The bracket 5 is provided with a plurality of fixing holes which are arranged along the circumference of the extension shaft in an array manner, and the bracket 5 is connected with the motor 2 through the fixing holes; preferably, the number of the fixing holes is 12, the bracket 5 is connected with the motor 2 through 4 fixing holes uniformly spaced in the bracket, the bracket 5 is rotated, the bracket 5 is connected with the motor 2 through 4 different fixing holes, the positions of the guide wheel 6 and the tension detection wheel 7 can be adjusted, and the coating angle of the tension detection wheel 7 is kept unchanged; the function of the cutting device is to adapt to different positions of a cutting object, the cutting object can be arranged on the right side, obliquely above and obliquely below the driving wheel, and the cutting requirements are met.
Two limiting tables are arranged on the sliding block 9, the limiting tables are arranged on two sides of the guide rail groove, and the distance between the two limiting tables is 0-2mm larger than the thickness of the support; the limiting table can limit the slide block 9 to slide in the guide rail groove.
Example two
As shown in fig. 3, the present embodiment is different from the first embodiment in that: one end of the adjusting rod 12 is connected with the spring 10, and the other end of the adjusting rod 12 is provided with a rotating handle; the feed length of the adjusting rod 12 is adjusted by rotating the handle, so that the initial compression amount of the spring 10 can be adjusted; while the initial position of the slide 9 is unchanged, so that the position of the travel switch 11 does not need to be adjusted.
EXAMPLE III
As shown in fig. 4-5, the utility model provides a rope breakage preventing device of a rope sawing machine, which comprises a motor base 1, wherein a motor 2 is installed on the motor base 1, the motor 2 is provided with an extending shaft, and a driving wheel 3 is installed on the extending shaft; a cutting object 4 to be cut is arranged on one side of the driving wheel 3; installing support 5 on the output terminal surface of motor 2, set up leading wheel 6 and tension detection wheel 7 on the support 5, leading wheel 6 set up in 3 tops of drive wheel, the both sides face of leading wheel 6 sets up the arch, forms the recess between the arch, and diamond rope 8 inlays in the recess, and leading wheel 6 provides the guide effect for diamond rope 8's rotation, prevents that diamond rope 8's direction of rotation from taking place the skew. The tension detection wheel 7 is arranged between the guide wheel 6 and the driving wheel 3, the tension detection wheel 7 is arranged on one side of the driving wheel 3 close to the cutting object 4, and the diamond rope 8 sequentially surrounds the driving wheel 3, the tension detection wheel 7, the guide wheel 6 and the cutting object 4;
a guide rail groove is formed in the support 5, a sliding block 9 sliding along the guide rail groove is arranged in the guide rail groove, and a tension detection wheel 7 is arranged on the sliding block 9; the guide rail groove extends from the coated side of the tension detection wheel 7 to the tension detection wheel 7 along an angular bisector of an included angle formed by coating the tension detection wheel 7 with the diamond rope 8; and a travel switch 11 is arranged on the bracket 5 close to the tension detection wheel 7.
A spring groove is formed in the upper portion of the right side of the guide rail groove, a spring 10 is arranged in the spring groove, the spring 10 is a compression spring, a certain angle is formed between the spring groove and the guide rail groove, preferably 90 degrees is formed between the spring groove and the guide rail groove, and the spring 10 is arranged in the spring groove; one end of the spring 10, which is close to the sliding block 9, is provided with a clamping block 13, the clamping block 13 is spherical, the sliding block 9 is provided with a semicircular clamping groove corresponding to the clamping block, the clamping block 13 is clamped in the clamping groove, when the tension detection wheel 7 is subjected to force applied by the diamond rope 8, the spring 10 is compressed, the clamping block 13 is separated from the clamping groove, the sliding block 9 moves towards the left side, the tension detection wheel 7 collides with the travel switch, and then the travel switch sends an instruction to stop the motor 2.
The latch 13 may also be wedge-shaped, and one side of the latch 13 close to the slider 9 is an inclined surface, and correspondingly, the engaging groove is an inclined surface groove.
A threaded hole is formed in the support 5 on one side, away from the guide rail groove, of the spring groove, an adjusting rod 12 penetrates through the threaded hole, and the adjusting rod 12 is connected with the threaded hole through threads; one end of the adjusting rod 12 is in contact with the spring 10, and the other end of the adjusting rod 12 is provided with a rotating handle. Can adjust through twist grip adjust the feed length of pole 12, and then can adjust the initial compression volume of spring 10, to the diamond rope 8 of different tensile strength, the atress when its fracture is different, not only can satisfy the use of multiple diamond rope through adjusting pole 12, can also prevent the transmission unstability that leads to because of the compressibility of spring.
The bracket 5 is provided with a plurality of fixing holes which are arranged along the circumference of the extension shaft in an array manner, and the bracket 5 is connected with the motor 2 through the fixing holes; preferably, the number of the fixing holes is 12, the bracket 5 is connected with the motor 2 through 4 fixing holes uniformly spaced in the bracket, the bracket 5 is rotated, the bracket 5 is connected with the motor 2 through 4 different fixing holes, the positions of the guide wheel 6 and the tension detection wheel 7 can be adjusted, and the coating angle of the tension detection wheel 7 is kept unchanged; the function of the cutting device is to adapt to different positions of a cutting object, the cutting object can be arranged on the right side, obliquely above and obliquely below the driving wheel, and the cutting requirements are met.
Two limiting tables are arranged on the sliding block 9, the limiting tables are arranged on two sides of the guide rail groove, and the distance between the two limiting tables is 0-2mm larger than the thickness of the support; the limit table can limit the slide block 9 to slide in the guide rail groove.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A rope breakage preventing device of a rope sawing machine comprises a motor base, wherein a motor is arranged on the motor base and is provided with an extending shaft, and a driving wheel is arranged on the extending shaft; a cutting object to be cut is arranged on one side of the driving wheel; the method is characterized in that: a support is arranged on the output end face of the motor, a guide wheel and a tension detection wheel are arranged on the support, the guide wheel is arranged above the driving wheel, the tension detection wheel is arranged between the guide wheel and the driving wheel, the tension detection wheel is arranged on one side of the driving wheel close to the cutting object, and a diamond rope sequentially surrounds the driving wheel, the tension detection wheel, the guide wheel and the cutting object;
the bracket is provided with a guide rail groove, a slide block sliding along the guide rail groove is arranged in the guide rail groove, and the slide block is provided with a tension detection wheel; the guide rail groove is arranged along an angular bisector of an included angle formed by coating the tension detection wheel by the diamond rope, the included angle extends from the coated side of the tension detection wheel to the tension detection wheel, the bracket is provided with a spring, and one end of the spring is connected with the sliding block; a travel switch is arranged on the bracket close to the tension detection wheel; the spring can prevent the tension detection wheel from moving in the guide rail groove.
2. The rope sawing machine rope breakage prevention device according to claim 1, characterized in that: the spring is arranged in the guide rail groove, is a compression spring and is arranged on one side of the sliding block, which is far away from the cutting object; the support is provided with a threaded hole, the threaded hole is arranged along the length direction of the guide rail groove, an adjusting rod penetrates through the threaded hole, and the adjusting rod is connected with the threaded hole through threads.
3. The rope sawing machine rope breakage prevention device according to claim 1, characterized in that: the spring is arranged in the guide rail groove, is an extension spring and is arranged on one side, close to the cutting object, of the sliding block; the support is provided with a threaded hole, the threaded hole is arranged along the length direction of the guide rail groove, an adjusting rod penetrates through the threaded hole, and the adjusting rod is connected with the threaded hole through threads.
4. The rope sawing machine rope breakage prevention device according to claim 2 or 3, characterized in that: one end of the adjusting rod is in contact with the sliding block, and the other end of the adjusting rod is provided with a rotating handle; the travel switch is characterized in that a waist hole is formed in the support, and the travel switch is fixed to the support through the waist hole.
5. The rope sawing machine rope breakage prevention device according to claim 2 or 3, characterized in that: one end of the adjusting rod is connected with the spring, and the other end of the adjusting rod is provided with a rotating handle.
6. The rope sawing machine rope breakage prevention device according to claim 1, characterized in that: a spring groove is formed in one side of the guide rail groove, a certain angle is formed between the spring groove and the guide rail groove, and the spring is arranged in the spring groove; a clamping block is arranged at one end, close to the sliding block, of the spring, and a clamping groove corresponding to the clamping block is arranged on the sliding block; a threaded hole is formed in the support on one side, away from the guide rail groove, of the spring groove, an adjusting rod penetrates through the threaded hole, and the threaded holes of the adjusting rod are connected through threads; one end of the adjusting rod is in contact with the spring, and the other end of the adjusting rod is provided with a rotating handle.
7. The rope sawing machine rope breakage prevention device according to claim 6, wherein: the fixture blocks are spherical, and the clamping grooves are hemispherical.
8. The rope sawing machine rope breakage prevention device according to claim 6, wherein: the clamping block is wedge-shaped, one side of the clamping block, which is close to the sliding block, is an inclined plane, and the clamping groove is an inclined plane groove corresponding to the clamping block.
9. The rope sawing machine rope breakage prevention device according to claim 1, characterized in that: the support is provided with a plurality of fixing holes, the fixing holes are arranged along the circumference of the extension shaft in an array mode, and the support is connected with the motor through the fixing holes.
10. The rope sawing machine rope breakage prevention device according to claim 1, characterized in that: the sliding block is provided with two limiting tables which are arranged on two sides of the guide rail groove, and the distance between the two limiting tables is 0-2mm larger than the thickness of the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123058224.2U CN216578602U (en) | 2021-12-07 | 2021-12-07 | Rope breaking prevention device of rope sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123058224.2U CN216578602U (en) | 2021-12-07 | 2021-12-07 | Rope breaking prevention device of rope sawing machine |
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| Publication Number | Publication Date |
|---|---|
| CN216578602U true CN216578602U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123058224.2U Active CN216578602U (en) | 2021-12-07 | 2021-12-07 | Rope breaking prevention device of rope sawing machine |
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| Country | Link |
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| CN (1) | CN216578602U (en) |
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2021
- 2021-12-07 CN CN202123058224.2U patent/CN216578602U/en active Active
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