Tension adjusting device

Abstract

The utility model provides a tensioning adjusting device. The tensioning adjusting device comprises a supporting main beam, a tensioning wheel body, a lifting driving mechanism and a mounting frame. The tensioning wheel body is rotationally arranged on the mounting frame, and an annular groove is formed in the tensioning wheel body in the circumferential direction; the mounting frame is connected with the supporting main beam through a lifting driving mechanism, and the lifting driving mechanism drives the mounting frame to drive the tensioning wheel body to abut against a rope saw of the multi-strand rope saw cutting unit. The tensioning wheel has the advantages that the tensioning wheel body can be driven by the lifting driving mechanism to apply different forces to the rope saw of the multi-strand rope saw cutting unit, so that the tensioning degree of the rope saw of the multi-strand rope saw cutting unit can be well adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting machine technical field, especially a kind of tension adjusting device. BACKGROUND

[0002] Multi-strand wire saw cutting machine is a kind of efficient, flexible cutting tool, it is widely used in multiple fields, especially in stone processing and mining performance is very outstanding.

[0003] Existing multi-strand wire saw cutting machine usually includes rack and is set on the rack multi-strand wire saw cutting unit, wherein, the bottom of multi-strand wire saw cutting unit is formed with cutting net surface for realizing cutting, such as the cutting assembly of the independent take-up system of the Chinese utility model patent for application No. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem, to provide a kind of tension adjusting device, can realize the tension adjustment of wire saw.

[0005] The utility model is realized as follows: a kind of tension adjusting device, including support main beam, tension wheel body, lifting drive mechanism and mounting bracket;The tension wheel body rotation is arranged on mounting bracket, and the tension wheel body is formed with annular groove around circumferential direction;The mounting bracket is connected with support main beam by lifting drive mechanism, and the mounting bracket is driven by the lifting drive mechanism and makes the tension wheel body abut on the wire saw of multi-strand wire saw cutting unit.

[0006] Further, the lifting drive mechanism includes the first telescopic cylinder located in one side of support main beam, the second telescopic cylinder located in the other side of support main beam and the connecting plate connected between the first telescopic cylinder and the second telescopic cylinder, the connecting plate is connected with support main beam;The movable end of the first telescopic cylinder is connected with one end of mounting bracket, and the movable end of the second telescopic cylinder is connected with the other end of mounting bracket.

[0007] Further, the top surface of support main beam is provided with lock hole on both sides, and the first long slot is arranged on the connecting plate corresponding to each lock hole along the width direction;First lock piece is used to lock and connect between the connecting plate and support main beam.

[0008] Further, the mounting frame comprises a first mounting plate located at one side of the tensioning wheel body, a second mounting plate located at the other side of the tensioning wheel body, and a connecting block connected between the two ends of the first mounting plate and the second mounting plate; the tensioning wheel body is rotatably mounted between the first mounting plate and the second mounting plate through a shaft body.

[0009] Further, the shaft body comprises a first shaft segment formed in the middle part and a second shaft segment located at the two ends, the outer diameter of the first shaft segment is larger than that of the second shaft segment; the first shaft segment is rotatably assembled and connected with the tensioning wheel body through a bearing, and the second shaft segment is connected with the first mounting plate or the second mounting plate.

[0010] Further, it further comprises a waterproof cover, an oil seal cover and a sealing element arranged on both sides of the tensioning wheel body; the waterproof cover is arranged outside the oil seal cover, the tensioning wheel body is sunk with an assembly step at a position corresponding to the oil seal cover, and the oil seal cover is assembled and locked in the assembly step through a second locking element;

[0011] The waterproof cover is formed with a sleeving segment in the middle part of the side facing the tensioning wheel body, the sleeving segment is sleeved outside the second shaft segment, the waterproof cover is annularly provided with an embedded convex ring at the edge of the side facing the tensioning wheel body, the tensioning wheel body is formed with an embedded groove at a position corresponding to the embedded convex ring, the embedded convex ring is embedded in the embedded groove, and the waterproof cover is locked and connected with the end face of the first shaft segment through a third locking element; and the sealing element is sleeved between the inner ring of the oil seal cover and the sleeving segment.

[0012] Further, a rubber ring is embedded on the circumferential surface of the tensioning wheel body, and a plurality of annular grooves are distributed at intervals in the circumferential direction around the rubber ring.

[0013] Further, the support main beam is provided with a plurality of the tensioning wheel bodies at intervals along the length direction, and each of the tensioning wheel bodies is connected with the support main beam through the mounting frame and the lifting driving mechanism.

[0014] Further, the two ends of the support main beam are provided with second long strip-shaped openings along the length direction.

[0015] Further, the support main beam comprises a support main plate located at the top and a reinforcing plate extended downward from both sides of the support main plate, and the reinforcing plate is integrally formed with the support main plate.

[0016] By adopting the technical scheme of the utility model, at least the following beneficial effects are achieved:

[0017] 1. The utility model discloses a tensioning adjusting device including support main beam, tensioning wheel body, lifting drive mechanism and mounting bracket, and the tensioning wheel body is connected through mounting bracket and lifting drive mechanism, so that in the specific work, can drive the tensioning wheel body through lifting drive mechanism and exert different force to the rope saw of multi -rope saw cutting unit, thereby can be well realized to the rope saw of multi -rope saw cutting unit and carry out tensioning degree adjustment, and the tensioning wheel body is rotatably connected with the mounting bracket, and the annular groove is formed around the circumferential direction on the tensioning wheel body, can reduce the friction between the tensioning wheel body and the rope saw, guarantee the smoothness of rope saw transmission, and can also use the annular groove and limit the rope saw of multi -rope saw cutting unit, guarantee that the rope saw does not separate from the tensioning wheel body.

[0018] 2. The utility model discloses a first telescopic cylinder is connected in one end of mounting bracket, and the second telescopic cylinder is connected in the other end of mounting bracket, so that when working, can drive the both ends of mounting bracket to move synchronously through first telescopic cylinder and second telescopic cylinder, so that can drive the tensioning wheel body and press the rope saw of multi -rope saw cutting unit more stably and reliably.

[0019] 3. The utility model discloses a waterproof cover, oil seal cover and sealing element are all set up on the both sides of tensioning wheel body, install the oil seal cover in the assembly step of tensioning wheel body, the sleeve joint section of waterproof cover middle part is sleeved on the second shaft section, and the embedding convex ring of waterproof cover edge is embedded in the embedding recess of tensioning wheel body, and simultaneously, the sealing element is sleeved between the inner ring of oil seal cover and sleeve joint section, through adopting above structural design, at least has following several aspects beneficial effects: first, can use oil seal cover and sealing element cooperation and play the oil seal effect, and the lubricating oil for lubricating bearing can not be discharged, guarantees that the tensioning wheel body can rotate smoothly under the action of bearing, second, can use waterproof cover and sealing element cooperation and play waterproof, dustproof effect, guarantee that water and dust can not enter the position where bearing is and have bad influence to bearing, third, can make the structure of whole tensioning wheel body compact, beautiful.

DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described in connection with the embodiments with reference to the drawings.

[0021] Figure 1 It is the overall structure diagram of the utility model discloses a tensioning adjusting device;

[0022] Figure 2 It is the structure diagram that the tensioning wheel body is connected with lifting drive mechanism through mounting bracket in the utility model;

[0023] Figure 3 It is the sectional view of Figure 2

[0024] Figure 4 ​It is the structure diagram of the tensioning wheel body, waterproof cover, oil seal cover and sealing element after decomposition in the utility model.

[0025] Figure 5 It is the structure diagram of the support girder in the utility model.

[0026] Mark explanation:

[0027] Tensioning adjusting device 100;

[0028] Support girder 1, locking hole 11, second long strip-shaped opening 12, support main plate 13, reinforcing plate 14;

[0029] Tensioning wheel body 2, annular groove 21, assembly step 22, embedded groove 23, rubber ring 24;

[0030] Lifting drive mechanism 3, first telescopic cylinder 31, second telescopic cylinder 32, connecting plate 33, first long strip-shaped opening 331;

[0031] Mounting frame 4, first mounting plate 41, second mounting plate 42, connecting block 43;

[0032] Shaft body 5, first shaft section 51, second shaft section 52;

[0033] Bearing 6;

[0034] Waterproof cover 7, sleeve joint section 71, embedded convex ring 72;

[0035] Oil seal cover 8;

[0036] Sealing element 9, oil storage cavity 91.

Specific embodiments

[0037] In order to better understand the technical scheme of the utility model, the technical scheme of the utility model will be described in detail in combination with the drawings and specific embodiments of the specification.

[0038] It should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing these embodiments and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" and the like can explicitly or implicitly include one or more of the features.

[0039] Please refer toFigures 1 to 5 As shown in the utility model, a kind of tensioning adjusting device 100, the tensioning adjusting device 100 including support girder 1, tensioning wheel body 2, lifting drive mechanism 3 and mounting bracket 4;The tensioning wheel body 2 rotationally arranged on mounting bracket 4, so that tensioning wheel body 2 can rotate relative to mounting bracket 4, because the rope saw of multi-strand rope saw cutting unit is continuously driven when working, in this process, tensioning wheel body 2 can rotate following the transmission of rope saw, so that the friction between tensioning wheel body 2 and rope saw can be reduced, ensure that rope saw can more smoothly drive;The tensioning wheel body 2 is formed with annular groove 21 around the circumferential direction;The mounting bracket 4 is connected with support girder 1 by lifting drive mechanism 3, and mounting bracket 4 drives tensioning wheel body 2 to abut on the rope saw of multi-strand rope saw cutting unit by the lifting drive mechanism 3, specifically, the annular groove 21 of tensioning wheel body 2 is abutted on the rope saw of multi-strand rope saw cutting unit, so that the rope saw of multi-strand rope saw cutting unit can be pressed tightly, and the rope saw of multi-strand rope saw cutting unit can be positioned, ensure that rope saw will not be separated from tensioning wheel body 2, while only by lifting drive mechanism 3 drive tensioning wheel body 2 to exert different force on the rope saw of multi-strand rope saw cutting unit, the rope saw of multi-strand rope saw cutting unit can obtain different tensioning degree. In addition, it needs to be explained that: the diamond wire of the utility model can be diamond rope provided with string bead.

[0040] In some embodiments of the utility model, please refer to Figure 2 As shown in the utility model, the lifting drive mechanism 3 includes first telescopic cylinder 31 located at one side of support girder 1, second telescopic cylinder 32 located at the other side of support girder 1 and connecting plate 33 connected between first telescopic cylinder 31 and second telescopic cylinder 32, the connecting plate 33 is connected with support girder 1;The movable end of first telescopic cylinder 31 is connected with one end of mounting bracket 4, and the movable end of second telescopic cylinder 32 is connected with the other end of mounting bracket 4. Because the force required for tensioning degree adjustment is small, therefore preferably, the first telescopic cylinder 31 and the second telescopic cylinder 32 are both air cylinders.

[0041] The utility model connects first telescopic cylinder 31 at one end of mounting bracket 4, and connects second telescopic cylinder 32 at the other end of mounting bracket 4, so that the two ends of mounting bracket 4 can be driven to move synchronously by first telescopic cylinder 31 and second telescopic cylinder 32 when working, so that tensioning wheel body 2 can press multi-strand rope saw cutting unit more stably and reliably.

[0042] Further, the top surface of the support girder 1 is provided with a locking hole 11 on both sides, and the connecting plate 33 is provided with a first long slot 331 corresponding to each locking hole 11 along the width direction; the first locking piece (not shown) is used for locking connection between the connecting plate 33 and the support girder 1, wherein the locking hole 11 can be a locking blind hole, and the first locking piece can be a bolt.

[0043] The utility model discloses a first long slot 331 is arranged on the connecting plate 33 corresponding to each locking hole 11 along the width direction, so that the position of the tensioning wheel body 2 can be fine adjusted by the first long slot 331 in actual use, so that the tensioning wheel body 2 can better and more accurately press the rope saw of the multi-rope saw cutting unit.

[0044] In some embodiments of the utility model, please refer to Figure 2 and Figure 3 The mounting frame 4 includes a first mounting plate 41 on one side of the tensioning wheel body 2, a second mounting plate 42 on the other side of the tensioning wheel body 2 and a connecting block 43 connected between the two ends of the first mounting plate 41 and the second mounting plate 42, and the tensioning wheel body 2 is rotatably mounted between the first mounting plate 41 and the second mounting plate 42 through a shaft body 5. In the specific implementation of the utility model, in order to facilitate the installation and disassembly of the tensioning wheel body 2, the two ends of the first mounting plate 41 and the second mounting plate 42 can be detachably connected with the connecting block 43 by screws or bolts. Preferably, the first mounting plate 41 and the second mounting plate 42 are made of iron plates, and the connecting block 43 is made of an iron block.

[0045] In some embodiments of the utility model, please refer to Figure 3 and Figure 4 The shaft body 5 includes a first shaft section 51 formed in the middle and a second shaft section 52 at both ends, the outer diameter of the first shaft section 51 is greater than that of the second shaft section 52, the first shaft section 51 is rotatably connected with the tensioning wheel body 2 through a bearing 6, so that the tensioning wheel body 2 can rotate smoothly, and the second shaft section 52 is connected with the first mounting plate 41 or the second mounting plate 42, specifically one of the second shaft sections 52 is connected with the first mounting plate 41, and the other second shaft section 52 is connected with the second mounting plate 42, so as to support both ends of the shaft body 5 through the first mounting plate 41 and the second mounting plate 42.

[0046] In some embodiments of the utility model, in order to guarantee that bearing 6 is not affected by rust and other factors and the smooth rotation of the tensioning wheel body 2, the tensioning adjusting device 100 further includes waterproof cover 7, oil seal cover 8 and sealing element 9 arranged on both sides of the tensioning wheel body 2, waterproof cover 7 is arranged on the outside of oil seal cover 8, the tensioning wheel body 2 is sunk with assembly step 22 at the position corresponding to oil seal cover 8, oil seal cover 8 is locked and assembled in assembly step 22 by second locking element (not shown), wherein the second locking element can be screw or bolt in particular,

[0047] Waterproof cover 7 is formed with sleeve segment 71 in the middle of the side facing the tensioning wheel body 2, sleeve segment 71 is sleeved on the outside of second shaft segment 52, waterproof cover 7 is annularly provided with embedded convex ring 72 on the edge of the side facing the tensioning wheel body 2, the tensioning wheel body 2 is formed with embedded recess 23 at the position corresponding to embedded convex ring 72, embedded convex ring 72 is embedded in embedded recess 23, waterproof cover 7 is locked and connected with the end face of first shaft segment 51 by third locking element (not shown), because the outer diameter of first shaft segment 51 is larger than the outer diameter of second shaft segment 52 in the utility model, the end face of first shaft segment 51 is not covered by second shaft segment 52 completely, so that waterproof cover 7 and first shaft segment 51 can be locked and connected together, sealing element 9 is sleeved between the inner ring of oil seal cover 8 and sleeve segment 71. In the specific implementation of the utility model, sealing element 9 can form oil storage cavity 91 on the side facing bearing 6, and lubricating oil is placed in oil storage cavity 91 to realize the lubricating effect on bearing 6.

[0048] The utility model discloses a waterproof cover 7, oil seal cover 8 and sealing element 9 are arranged on both sides of the tensioning wheel body 2, oil seal cover 8 is installed in assembly step 22 of the tensioning wheel body 2, sleeve segment 71 in the middle of waterproof cover 7 is sleeved on second shaft segment 52, embedded convex ring 72 on the edge of waterproof cover 7 is embedded in embedded recess 23 of the tensioning wheel body 2, and sealing element 9 is sleeved between the inner ring of oil seal cover 8 and sleeve segment 71, which has the following beneficial effects: first, oil seal cover 8 and sealing element 9 can cooperate to realize oil sealing, the lubricating oil for lubricating bearing 6 cannot leak out, ensuring that the tensioning wheel body 2 can rotate smoothly under the action of bearing 6, second, waterproof cover 7 and sealing element 9 can cooperate to realize waterproof and dustproof effects, ensuring that water and dust cannot enter the position of bearing 6 and have adverse effects on bearing 6, and third, the structure of the whole tensioning wheel body 2 is compact and beautiful.

[0049] In some embodiments of the utility model, the circumference surface of the tensioning wheel body 2 is embedded with a rubber ring 24, and a plurality of annular grooves 21 are distributed at intervals around the circumferential direction of the rubber ring 24, that is, the annular grooves 21 are formed on the circumference surface of the rubber ring 24, so that in the specific use process, one tensioning wheel body 2 can be used to tighten the multiple sections of the rope saw.

[0050] The utility model discloses a tensioning wheel body 2 is embedded with a rubber ring 24 on the circumference surface, and a plurality of annular grooves 21 are distributed at intervals around the circumferential direction of the rubber ring 24, which can effectively prevent the tensioning wheel body 2 from being damaged by direct friction contact with the rope saw, and after the rubber ring 24 is worn out, only the rubber ring 24 needs to be replaced, which can improve the service life of the tensioning wheel body 2.

[0051] In some embodiments of the utility model, the support main beam 1 is distributed with a plurality of tensioning wheel bodies 2 at intervals along the length direction, each tensioning wheel body 2 is connected with the support main beam 1 through the mounting frame 4 and the lifting driving mechanism 3, so that each tensioning wheel body 2 can be independently controlled by one lifting driving mechanism 3. Because the rope saw is wound around the roller, a mesh surface is formed on the multiple rope saw cutting units, therefore, the utility model discloses that the support main beam 1 is distributed with a plurality of tensioning wheel bodies 2 at intervals along the length direction, which can well realize the tension adjustment of each cutting section of the mesh surface.

[0052] In some embodiments of the utility model, the two ends of the support main beam 1 are provided with second long strip-shaped openings 12 along the length direction, so that the support main beam 1 can be locked and installed on the multiple rope saw cutting units through the second long strip-shaped openings 12, and the position of the support main beam 1 can be finely adjusted by means of the second long strip-shaped openings 12.

[0053] In some embodiments of the utility model, in order to ensure the support strength of the support main beam 1, please refer to Figure 5 The support main beam 1 comprises a support main plate 13 at the top and a reinforcing plate 14 extending downward from both sides of the support main plate 13, and the reinforcing plate 14 is integrally formed with the support main plate 13.

[0054] Although the specific embodiments of the utility model are described above, those skilled in the art should understand that the specific embodiments described are only illustrative, and are not used to limit the scope of the utility model, and equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the utility model should be covered within the scope of protection of the claims of the utility model.

Claims

1. A tension adjustment device, characterized by: The device comprises a support main beam, a tensioning wheel body, a lifting driving mechanism and a mounting rack; the tensioning wheel body is rotatably arranged on the mounting rack, and the tensioning wheel body is formed with an annular groove around the circumferential direction; the mounting rack is connected with the support main beam through the lifting driving mechanism, and the mounting rack drives the tensioning wheel body to abut on the rope saw of the multi-rope saw cutting unit through the lifting driving mechanism.

2. A tension adjustment device as claimed in claim 1, characterised in that: The lifting driving mechanism comprises a first telescopic cylinder arranged on one side of the support main beam, a second telescopic cylinder arranged on the other side of the support main beam and a connecting plate connected between the first telescopic cylinder and the second telescopic cylinder; the connecting plate is connected with the support main beam; the movable end of the first telescopic cylinder is connected with one end of the mounting rack, and the movable end of the second telescopic cylinder is connected with the other end of the mounting rack.

3. A tension adjustment device as claimed in claim 2, characterised in that: Locking holes are arranged on both sides of the top surface of the support main beam, and a first long slot is arranged on the connecting plate corresponding to each locking hole along the width direction; the connecting plate and the support main beam are connected by a first locking piece.

4. A tension adjustment device as claimed in claim 1, characterized in that: The mounting rack comprises a first mounting plate arranged on one side of the tensioning wheel body, a second mounting plate arranged on the other side of the tensioning wheel body and a connecting block connected between the two ends of the first mounting plate and the second mounting plate; the tensioning wheel body is rotatably arranged between the first mounting plate and the second mounting plate through a shaft body.

5. A tension adjustment device as claimed in claim 4, characterised in that: The shaft body comprises a first shaft segment formed in the middle and a second shaft segment arranged at both ends, the outer diameter of the first shaft segment is larger than that of the second shaft segment; the first shaft segment is rotatably assembled and connected with the tensioning wheel body through a bearing, and the second shaft segment is connected with the first mounting plate or the second mounting plate.

6. A tension adjustment device as claimed in claim 5, characterised in that: It also comprises waterproof covers, oil seal covers and sealing pieces arranged on both sides of the tensioning wheel body; the waterproof cover is arranged outside the oil seal cover, the tensioning wheel body is sunk with an assembly step at the position corresponding to the oil seal cover, and the oil seal cover is assembled in the assembly step through a second locking piece; The waterproof cover is formed with a sleeving segment in the middle of the side facing the tensioning wheel body, the sleeving segment is sleeved on the outside of the second shaft segment, the waterproof cover is annularly arranged with an embedded convex ring on the edge of the side facing the tensioning wheel body, the tensioning wheel body is formed with an embedded groove at the position corresponding to the embedded convex ring, the embedded convex ring is embedded in the embedded groove, and the waterproof cover is connected with the end face of the first shaft segment through a third locking piece; the sealing piece is sleeved between the inner ring of the oil seal cover and the sleeving segment.

7. A tension adjustment device as claimed in claim 1, characterized in that: The circumferential surface of the tensioning wheel body is embedded with a rubber ring, and the rubber ring is distributed with a plurality of annular grooves around the circumferential direction.

8. A tension adjustment device as claimed in claim 1, characterized in that: The support main beam is distributed with a plurality of tensioning wheel bodies along the length direction, and each tensioning wheel body is connected with the support main beam through the mounting rack and the lifting driving mechanism.

9. A tension adjustment device as claimed in claim 1, characterized in that: The two ends of the support main beam are both arranged with a second long slot along the length direction.

10. A tension adjustment device as claimed in claim 1, characterized in that: The support main beam comprises a support main plate arranged at the top and a reinforcing plate arranged by extending downward from both sides of the support main plate, and the reinforcing plate is integrally formed with the support main plate.

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