CN212655389U - Guy rope fixing device - Google Patents

Abstract

The utility model provides a guy rope fixing device is applicable to excavating machinery, include: the bracket mechanism is arranged on a vehicle body of the excavating machine; the connecting shaft is arranged on the bracket mechanism and is rotationally connected with the bracket mechanism; the first connecting mechanism is arranged on the connecting shaft and is in rotary connection with the connecting shaft; the second connecting mechanism is arranged on a crane arm of the excavating machine and is in rotary connection with the crane arm; a plurality of guy wires adapted to connect the first and second connecting mechanisms. The utility model discloses a set up connecting axle, first coupling mechanism and second coupling mechanism for when the jib loading boom at excavating machinery received great instantaneous impact load, each part that the rotation of straining rope fixing device is connected can make a plurality of straining ropes keep at the stress state through rotating, and is more even with the atress of guaranteeing a plurality of straining ropes, promotes the reliability and the security of straining rope fixing device.

Description

Guy rope fixing device

Technical Field

The utility model relates to an engineering equipment technical field particularly, relates to a guy rope fixing device.

Background

Excavating machines such as electric shovels have the advantages of high excavating efficiency and low operating cost, and are widely applied to large-scale open-pit mines. The guy rope fixing device of the electric shovel is used for suspending the boom and fixing the boom inclination angle, and the guy rope fixing device is related to the reliability and the rationality of guy rope fixing and even the excavating benefit of the whole electric shovel.

However, most of the existing guy rope fixing devices adopt a single guy rope steel cable which is repeatedly wound between a support and a crane boom on a vehicle body of the electric shovel, the structure easily causes uneven stress on each part of the guy rope, so that the crane boom is easy to shake during the operation of the electric shovel, fatigue abrasion of the guy rope and the fixing device is caused, the service life of the guy rope and the strength of the fixing device are greatly reduced, certain potential safety hazards exist in the electric shovel, and meanwhile, the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be: how to make the guy rope evenly stressed.

In order to solve the above problem, the utility model provides a guy rope fixing device is applicable to excavating machinery, include:

the bracket mechanism is arranged on a vehicle body of the excavating machine;

the connecting shaft is arranged on the bracket mechanism and is rotationally connected with the bracket mechanism;

the first connecting mechanism is arranged on the connecting shaft and is in rotary connection with the connecting shaft;

the second connecting mechanism is arranged on a crane arm of the excavating machine and is in rotary connection with the crane arm;

a plurality of guy wires adapted to connect the first and second connecting mechanisms.

Optionally, the support mechanism includes a first support and a second support respectively disposed at two ends of the connecting shaft, and the first support and the second support are rotatably connected to the connecting shaft.

Optionally, the first connecting mechanism includes a pulling plate disposed on the connecting shaft and rotatably connected to the connecting shaft, and a connecting plate adapted to connect the guy rope, and the pulling plate is rotatably connected to the connecting plate.

Optionally, the connecting plates include a first connecting plate and a second connecting plate, and the second connecting mechanism includes a third connecting plate and a fourth connecting plate; the first connecting plate and the third connecting plate and the second connecting plate and the fourth connecting plate are connected through at least one guy rope; and the distance between the first connecting plate and the second connecting plate is equal to the distance between the third connecting plate and the fourth connecting plate.

Optionally, the pulling plate comprises a first pulling plate, a second pulling plate, a third pulling plate and a fourth pulling plate, and the first pulling plate, the second pulling plate, the third pulling plate and the fourth pulling plate are sequentially sleeved on the connecting shaft and rotatably connected with the connecting shaft in the direction from the first bracket to the second bracket; the first connecting plate is arranged between the ends, far away from the connecting shaft, of the first pulling plate and the second pulling plate, and the first connecting plate is rotatably connected with the first pulling plate and the second pulling plate; the second connecting plate is arranged between the end parts of the third pulling plate and the fourth pulling plate far away from the connecting shaft, and the second connecting plate is rotatably connected with the third pulling plate and the fourth pulling plate.

Optionally, the first connecting plate is rotationally connected with the first pulling plate and the second pulling plate through a pin shaft, and the second connecting plate is rotationally connected with the third pulling plate and the fourth pulling plate through a pin shaft; the four guy ropes are respectively suitable for connecting the upper end of the first connecting plate and the upper end of the third connecting plate, connecting the lower end of the first connecting plate and the lower end of the third connecting plate, connecting the upper end of the second connecting plate and the upper end of the fourth connecting plate, and connecting the lower end of the second connecting plate and the lower end of the fourth connecting plate.

Optionally, the guy rope fixing device further comprises a limiting mechanism suitable for being sleeved on the connecting shaft; the first pulling plate, the second pulling plate, the third pulling plate and the fourth pulling plate are all positioned between the first bracket and the second bracket, and the limiting mechanism is suitable for being arranged between the first pulling plate and the second pulling plate so as to limit one of the first pulling plate and the second pulling plate to move towards the other; and/or the limiting mechanism is suitable for being arranged between the third pulling plate and the fourth pulling plate so as to limit one of the third pulling plate and the fourth pulling plate to move towards the other one; and/or the limiting mechanism is suitable for being arranged between the second pulling plate and the third pulling plate so as to limit one of the second pulling plate and the third pulling plate to move towards the other one.

Optionally, the limiting mechanism comprises a first arc-shaped portion and a second arc-shaped portion which are detachably connected, and the first arc-shaped portion and the second arc-shaped portion enclose a containing hole which is suitable for being in clearance fit with the connecting shaft.

Optionally, the guy rope fixing device further comprises a spacer sleeve which is suitable for being sleeved on the connecting shaft, and the spacer sleeve is suitable for being arranged between the first pulling plate and the first support so as to limit the first pulling plate to move towards the first support; and/or the spacer is suitable for being arranged between the fourth pulling plate and the second bracket so as to limit the fourth pulling plate to move towards the second bracket.

Optionally, the guy wire fixing device further comprises a positioning mechanism; two ends of the connecting shaft in the axial direction penetrate through and extend out of the first support and the second support respectively, a first positioning groove and a second positioning groove are formed in the connecting shaft, the first positioning groove is located on one side, away from the second support, of the first support, and the second positioning groove is located on one side, away from the first support, of the second support; the positioning mechanism is arranged at the first positioning groove and the second positioning groove and is suitable for limiting the connecting shaft to move along the axis direction of the connecting shaft.

Compared with the prior art, the utility model, following beneficial effect has: by arranging the connecting shaft, the first connecting mechanism and the second connecting mechanism, the connecting shaft is rotationally connected with the bracket mechanism, the first connecting mechanism is rotationally connected with the connecting shaft, and the second connecting mechanism is rotationally connected with the cargo boom, so that all parts rotationally connected with the guy rope fixing device are suitable for relative rotation, so that when a boom of the excavating machine is subjected to larger instantaneous impact load, the parts rotationally connected with the guy rope fixing device can keep a plurality of guy ropes in a stressed state through rotation, thereby ensuring that the stress of a plurality of guy wires is more uniform so as to prolong the service life of each guy wire, thus improving the reliability and the safety of the guy wire fixing device, and the time for replacing and maintaining the guy rope is effectively reduced, and the actual operation working hour of the excavating machine is improved, so that the excavating benefit of the excavating machine is improved.

Drawings

Fig. 1 is a schematic structural view of a guy rope fixing device arranged on an excavating machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a guy wire fixing device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of another view angle of the guy rope fastening device in an embodiment of the present invention;

FIG. 4 is a schematic structural view of another view angle of the guy rope fastening device in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a limiting mechanism in an embodiment of the present invention.

Description of reference numerals:

1-a support mechanism, 11-a first support, 12-a second support; 2-a connecting shaft; 3-a first connecting mechanism, 31-a pulling plate, 311-a first pulling plate, 312-a second pulling plate, 313-a third pulling plate, 314-a fourth pulling plate, 32-a connecting plate, 321-a first connecting plate, 322-a second connecting plate; 4-a second connecting mechanism, 41-a third connecting plate, 42-a fourth connecting plate; 5-a guy rope, 6-a limiting mechanism, 61-a first arc-shaped part, 62-a second arc-shaped part; 7-spacer bush; 8-a positioning mechanism; 91-vehicle body, 92-crane arm.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the coordinate system XYZ provided herein, the X axis represents forward, the X axis represents backward, the Y axis represents forward, the Y axis represents leftward, the Z axis represents forward, and the Z axis represents backward. Also, it is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

With reference to fig. 1-4, an embodiment of the present invention provides a guy rope fixing device, which is suitable for an excavating machine, including: a bracket mechanism 1 for being provided on a vehicle body 91 of an excavating machine; the connecting shaft 2 is arranged on the bracket mechanism 1 and is rotationally connected with the bracket mechanism 1; the first connecting mechanism 3 is arranged on the connecting shaft 2 and is rotationally connected with the connecting shaft 2; a second connecting mechanism 4 provided to a boom 92 of the excavating machine and rotatably connected to the boom 92; a plurality of guy wires 5, wherein the plurality of guy wires 5 are suitable for connecting the first connecting mechanism 3 and the second connecting mechanism 4.

The guy wire fixing device is suitable for excavating machinery such as an electric shovel; the bracket mechanism 1 of the guy rope fixing device is arranged on a vehicle body 91 of the excavating machine, and the connecting shaft 2 is arranged at one end of the bracket mechanism 1, which is far away from the vehicle body 91, and is rotationally connected with the bracket mechanism 1; the first connecting mechanism 3 is rotatably connected with the connecting shaft 2, the second connecting mechanism 4 is rotatably connected with the boom 92 of the excavating machine, and two ends of the guy rope 5 are respectively connected with the first connecting mechanism 3 and the second connecting mechanism 4, so that the connection between the vehicle body 91 of the excavating machine and one end of the boom 92 far away from the vehicle body 91 is realized, the boom 92 of the excavating machine is pulled up to keep the boom 92 at a reasonable angle, and the excavating efficiency of the excavating machine is ensured. And the parts of the guy rope fixing device which are rotationally connected are suitable for relative rotation through the rotational connection of the connecting shaft 2 and the bracket mechanism 1, the rotational connection of the first connecting mechanism 3 and the connecting shaft 2 and the rotational connection of the second connecting mechanism 4 and the lifting arm 92, so that when the boom 92 of the excavating machine is subjected to a large instantaneous impact load, the rotationally connected parts of the guy rope fixing devices can rotate to keep the guy ropes 5 in a stressed state, thereby ensuring that the stress of a plurality of guy wires 5 is more uniform so as to prolong the service life of each guy wire 5, thus improving the reliability and the safety of the guy wire fixing device, and the time for replacing and maintaining the guy rope 5 is effectively reduced, and the actual operation working hour of the excavating machine is improved, so that the excavating benefit of the excavating machine is improved.

Further, preferably, one end of the guy rope 5 is rotatably connected with the first connecting mechanism 3, and the other end of the guy rope is rotatably connected with the second connecting mechanism 4, so as to further improve the capacity of the guy rope fixing device for dealing with larger instantaneous impact load, and ensure that the stress of the guy ropes 5 is more uniform.

Further, it is preferable that the lengths of the plurality of guy wires 5 are all the same so that the lift arm 92 can be maintained at a reasonable angle.

Alternatively, as shown in fig. 1 to 4, the support mechanism 1 includes a first support 11 and a second support 12 respectively disposed at two ends of the connecting shaft 2, and both the first support 11 and the second support 12 are rotatably connected to the connecting shaft 2.

The first bracket 11 and the second bracket 12 are connected with the connecting shaft 2 at two ends of the connecting shaft 2 so as to improve the stability of the connecting shaft 2 when being connected with the bracket mechanism 1; the first support 11 and the second support 12 are both a-frames (i.e. the first support 11 and the second support 12 are similar to a-frames in structure) to ensure that the first support 11 and the second support 12 have sufficient contact area with the body 91 of the excavating machine, so as to improve the stability of the connection between the support mechanism 1 and the body 91 of the excavating machine and ensure that the guy rope fixing device can stably pull the boom 92 of the excavating machine. Moreover, the first support 11 and the second support 12 are rotatably connected with the connecting shaft 2, so that the connecting shaft 2 is suitable for rotating around the axis of the connecting shaft on the support mechanism 1, the capacity of the guy rope fixing device for dealing with large instantaneous impact load is improved, and the stress of the guy ropes 5 is more uniform.

Alternatively, as shown in fig. 1 to 4, the first connecting mechanism 3 comprises a pulling plate 31 disposed on the connecting shaft 2 and rotatably connected with the connecting shaft 2 and a connecting plate 32 adapted to connect the guy rope 5, wherein the pulling plate 31 is rotatably connected with the connecting plate 32.

One end of the pulling plate 31 is rotatably connected with the connecting shaft 2, the other end of the pulling plate is rotatably connected with the connecting plate 32, and the guy rope 5 is used for connecting the connecting plate 32 and the second connecting mechanism 4; in this way, by arranging the pull plate 31 and the connecting plate 32 which are rotatably connected, when the boom 92 of the excavating machine is subjected to a large instantaneous impact load, the guy rope fixing device can adjust the stress state of the guy rope 5 through the relative rotation between the pull plate 31 and the connecting plate 32, so as to ensure that the stress of the guy ropes 5 is more uniform.

Further, the pulling plate 31 is an elliptical box-shaped welded high-strength double-hole plate structure, and both ends of the pulling plate are provided with a through hole respectively for being rotatably connected with the connecting shaft 2 and the connecting plate 32.

Alternatively, as shown in fig. 1-4 in conjunction, the connecting plate 32 includes a first connecting plate 321 and a second connecting plate 322, and the second connecting mechanism 4 includes a third connecting plate 41 and a fourth connecting plate 42; the first connecting plate 321 and the third connecting plate 41 and the second connecting plate 322 and the fourth connecting plate 42 are connected through at least one guy rope 5; and the distance between the first connecting plate 321 and the second connecting plate 322 is equal to the distance between the third connecting plate 41 and the fourth connecting plate 42.

The first connecting plate 321 is connected with the third connecting plate 41 through at least one guy rope 5, and the second connecting plate 322 is connected with the fourth connecting plate 42 through at least one guy rope 5; the first connecting plate 321 and the second connecting plate 322 and the third connecting plate 41 and the fourth connecting plate 42 are spaced from each other by a distance greater than 0, so that the third connecting plate 41 and the fourth connecting plate 42 are arranged at different positions on the boom 92 of the excavating machine, the contact area between the second connecting mechanism 4 and the boom 92 is increased, and the stability of the second connecting mechanism 4 in connection with the boom 92 is improved; and a plurality of guy wires 5 are arranged between the first connecting mechanism 3 and the second connecting mechanism 4, so that the stress of the single guy wire 5 is reduced, and the service life of the guy wire 5 is prolonged.

Further, the first connecting plate 321 and the second connecting plate 322 may be disposed on two sides of one pulling plate 31, or may be connected to the connecting shaft 2 through one pulling plate 31, or may be disposed between two pulling plates 31 (for example, four pulling plates 31 are disposed, the first connecting plate 321 is disposed between two pulling plates 31, and the second connecting plate 322 is disposed between the other two pulling plates 31).

Furthermore, the third connecting plate 41 and the fourth connecting plate 42 are both in a triangular plate shape, three through holes are formed in the triangular plate, one through hole in the middle of the triangular plate is connected with the crane boom 92 through a pin shaft, and the other two pin shaft holes are rotatably connected with the guy rope 5 through pin shafts.

Moreover, in this embodiment, it is preferable that the distance between the first connecting plate 321 and the second connecting plate 322 is equal to the distance between the third connecting plate 41 and the fourth connecting plate 42, so that the guy rope fixing device forms a half-moment balanced structure, and the guy rope 5 connecting the first connecting plate 321 and the third connecting plate 41 and the guy rope 5 connecting the second connecting plate 322 and the fourth connecting plate 42 can be perpendicular to the axis of the connecting shaft 2, so as to avoid the situation that the first connecting mechanism 3 is easy to move along the axis direction of the connecting shaft 2 (i.e. the Y-axis direction in fig. 3) under the action of the pulling force applied by the guy rope 5 when the included angle between the guy rope 5 and the axis of the connecting shaft 2 is less than 90 °.

Optionally, as shown in fig. 1 to 4, the pulling plate 31 includes a first pulling plate 311, a second pulling plate 312, a third pulling plate 313 and a fourth pulling plate 314, and in a direction from the first bracket 11 to the second bracket 12, the first pulling plate 311, the second pulling plate 312, the third pulling plate 313 and the fourth pulling plate 314 are sequentially sleeved on the connecting shaft 2 and rotatably connected with the connecting shaft 2; the first connecting plate 321 is arranged between the ends of the first pulling plate 311 and the second pulling plate 312 far away from the connecting shaft 2, and the first connecting plate 321 is rotatably connected with the first pulling plate 311 and the second pulling plate 312; the second connecting plate 322 is arranged between the ends of the third pulling plate 313 and the fourth pulling plate 314 far away from the connecting shaft 2, and the second connecting plate 322 is rotatably connected with the third pulling plate 313 and the fourth pulling plate 314.

The first pulling plate 311 and the second pulling plate 312 are used for clamping the first connecting plate 321, the first pulling plate 311 and the second pulling plate 312 are perpendicular to the axis of the connecting shaft 2, and the first connecting plate 321 arranged between the first pulling plate 311 and the second pulling plate 312 is also perpendicular to the axis of the connecting shaft 2, so that the first connecting plate 321 is limited to move along the axis of the connecting shaft 2, the first connecting plate 321 is only suitable for rotating, and the rotating direction of the first connecting plate 321 is perpendicular to the axis of the connecting shaft 2, and the capacity of the guy rope fixing device for dealing with large instantaneous impact load is guaranteed; similarly, the third pulling plate 313 and the fourth pulling plate 314 are used for clamping the second connecting plate 322, the third pulling plate 313 and the fourth pulling plate 314 are both perpendicular to the axis of the connecting shaft 2, the second connecting plate 322 arranged between the third pulling plate 313 and the fourth pulling plate 314 is also perpendicular to the axis of the connecting shaft 2, so that the second connecting plate 322 is limited to move along the axis of the connecting shaft 2, the second connecting plate 322 is ensured to be only suitable for rotating, the rotating direction of the second connecting plate is perpendicular to the axis of the connecting shaft 2, and the capability of the guy rope fixing device for dealing with large instantaneous impact load is ensured. Moreover, by arranging the first pulling plate 311, the second pulling plate 312, the third pulling plate 313 and the fourth pulling plate 314, the first connecting mechanism 3 and the connecting shaft 2 are ensured to have enough contact area, the stability of the first connecting mechanism 3 and the connecting shaft 2 during connection is improved, and the reliability and the safety of the guy rope fixing device are improved.

Alternatively, as shown in fig. 1 to 4, the first connecting plate 321 is rotatably connected to the first pulling plate 311 and the second pulling plate 312 through a pin, and the second connecting plate 322 is rotatably connected to the third pulling plate 313 and the fourth pulling plate 314 through a pin; four tightening ropes 5 are provided, and the four tightening ropes 5 are respectively suitable for connecting the upper end of the first connecting plate 321 and the upper end of the third connecting plate 41, connecting the lower end of the first connecting plate 321 and the lower end of the third connecting plate 41, connecting the upper end of the second connecting plate 322 and the upper end of the fourth connecting plate 42, and connecting the lower end of the second connecting plate 322 and the lower end of the fourth connecting plate 42.

In this embodiment, the first connecting plate 321 is pivotally connected to the first pulling plate 311 and the second pulling plate 312 at a middle position thereof by a pin, and an upper end (i.e., an end of the first connecting plate 321 in the Z-axis direction in fig. 2) and a lower end (i.e., an end of the first connecting plate 321 in the Z-axis direction in fig. 2) of the first connecting plate 321 are respectively connected to an upper end (i.e., an end of the third connecting plate 41 in the Z-axis direction in fig. 2) and a lower end (i.e., an end of the third connecting plate 41 in the Z-axis direction in fig. 2) of the third connecting plate 41 by two guy wires 5, that is, the two guy wires 5 connecting the first connecting plate 321 and the third connecting plate 41 are arranged up and down to reduce an occupied space of the two guy wires 5 in the axial direction of the, so as to avoid interfering with the second connecting plate 322 and, moreover, to make the third connecting plate 41 perpendicular to the axis of the connecting shaft 2, so as to avoid the third connecting plate 41 occupying too much space in the direction of the axis of the connecting shaft 2. Similarly, the second connecting plate 322 is rotatably connected to the third pulling plate 313 and the fourth pulling plate 314 at a middle position thereof by a pin, and an upper end (i.e., an end of the second connecting plate 322 in the Z-axis direction in fig. 4) and a lower end (i.e., an end of the second connecting plate 322 in the Z-axis direction in fig. 4) of the second connecting plate 322 are respectively connected to an upper end (i.e., an end of the fourth connecting plate 42 in the Z-axis direction in fig. 4) and a lower end (i.e., an end of the fourth connecting plate 42 in the Z-axis direction in fig. 4) of the fourth connecting plate 42 by two guy wires 5, that is, the two guy wires 5 connecting the second connecting plate 322 and the fourth connecting plate 42 are disposed above and below each other, so as to reduce an occupied space of the two guy wires 5 connecting the second connecting plate 322 and the fourth connecting plate 42 in the axial direction of the connecting shaft 2 and; moreover, the fourth connecting plate 42 is made perpendicular to the axis of the connecting shaft 2 to avoid the fourth connecting plate 42 occupying too much space in the direction of the axis of the connecting shaft 2.

Further, the connecting plate 32 is a three-hole oval box welded body, and is provided with three through holes, the through hole in the middle position is used for being connected with the pulling plate 31 through a pin shaft in a rotating mode, and the two through holes in the upper end and the lower end are used for being connected with the two tightening ropes 5 through a pin shaft in a rotating mode.

Optionally, as shown in fig. 1 to 5, the guy rope fixing device further includes a limiting mechanism 6 adapted to be sleeved on the connecting shaft 2; the first pulling plate 311, the second pulling plate 312, the third pulling plate 313 and the fourth pulling plate 314 are all positioned between the first bracket 11 and the second bracket 12, and the limiting mechanism 6 is suitable for being arranged between the first pulling plate 311 and the second pulling plate 312 so as to limit one of the first pulling plate 311 and the second pulling plate 312 to move towards the other; and/or, the limiting mechanism 6 is suitable for being arranged between the third pulling plate 313 and the fourth pulling plate 314 to limit one of the third pulling plate 313 and the fourth pulling plate 314 to move towards the other; and/or, the limiting mechanism 6 is adapted to be disposed between the second pulling plate 312 and the third pulling plate 313 to limit movement of one of the second pulling plate 312 and the third pulling plate 313 toward the other.

In this embodiment, the limiting mechanism 6 disposed between the first pulling plate 311 and the second pulling plate 312 is used to limit one of the first pulling plate 311 and the second pulling plate 312 to move towards the other, so as to ensure that the distance between the first pulling plate 311 and the second pulling plate 312 is a fixed value, improve the stability of the first pulling plate 311 and the second pulling plate 312 when rotating relative to the first connecting plate 321, and ensure the capability of the guy rope fixing device to cope with a large instantaneous impact load; the limiting mechanism 6 arranged between the third pulling plate 313 and the fourth pulling plate 314 is used for limiting one of the third pulling plate 313 and the fourth pulling plate 314 to move towards the other so as to ensure that the distance between the third pulling plate 313 and the fourth pulling plate 314 is a fixed value, improve the stability of the third pulling plate 313 and the fourth pulling plate 314 when rotating relative to the second connecting plate 322 and ensure the capacity of the guy rope fixing device for dealing with larger instantaneous impact load; the limiting mechanism 6 arranged between the second pulling plate 312 and the third pulling plate 313 is used for limiting one of the second pulling plate 312 and the third pulling plate 313 to move towards the other, so as to ensure that the distance between the second pulling plate 312 and the third pulling plate 313 is a fixed value, namely, the distance between the second pulling plate 312 and the third pulling plate 313 is equal to the distance between the third connecting plate 41 and the fourth connecting plate 42, so that the guy rope 5 connecting the first connecting plate 321 and the third connecting plate 41 and the guy rope 5 connecting the second connecting plate 322 and the fourth connecting plate 42 can be perpendicular to the axis of the connecting shaft 2, and the situation that the first connecting mechanism 3 is easy to move along the axis direction of the connecting shaft 2 under the action of the pulling force exerted by the guy rope 5 when the included angle between the guy rope 5 and the axis of the connecting shaft 2 is smaller than 90 degrees is avoided. Moreover, by arranging the limiting mechanism 6, reasonable spacing is always kept between the pull plates 31, and the change of the spacing between the pull plates 31 caused by the operation vibration of the electric shovel is avoided.

Alternatively, as shown in fig. 1 to 5, the limiting mechanism 6 includes a first arc-shaped portion 61 and a second arc-shaped portion 62 which are detachably connected, and the first arc-shaped portion 61 and the second arc-shaped portion 62 enclose a receiving hole adapted to be in clearance fit with the connecting shaft 2.

Stop gear 6 is including dismantling first arc portion 61 and the second arc portion 62 of connection to stop gear 6 assembles again after first coupling mechanism 3 assembles on connecting axle 2, and has promoted the convenience of stop gear 6 assembly and dismantlement. First arc 61 and second arc 62 enclose into the accommodation hole, and stop gear 6 passes through accommodation hole and connecting axle 2 clearance fit to guarantee the steadiness that stop gear 6 and connecting axle 2 are connected, thereby avoid stop gear 6 to slide on the axis direction of connecting axle 2.

Further, the first arc-shaped portion 61 and the second arc-shaped portion 62 are detachably connected by a fastener (such as a bolt, etc.); in this way, after the first arc-shaped portion 61 and the second arc-shaped portion 62 are assembled to the connecting shaft 2, the first arc-shaped portion 61 and the second arc-shaped portion 62 are connected using the fastener to achieve the assembly of the limiting mechanism 6 on the connecting shaft 2.

Further, the first arc-shaped portion 61 and the second arc-shaped portion 62 of the limiting mechanism 6 are provided with support columns, and the support columns are parallel to the axis direction of the connecting shaft 2, so as to improve the pressure resistance of the limiting mechanism 6 in the axis direction of the connecting shaft 2.

Optionally, as shown in fig. 1 to 4, the guy rope fixing device further includes a spacer 7 adapted to be sleeved on the connecting shaft 2, the spacer 7 is adapted to be disposed between the first pulling plate 311 and the first bracket 11 to limit the first pulling plate 311 from moving toward the first bracket 11; and/or, the spacer 7 is adapted to be disposed between the fourth pulling plate 314 and the second bracket 12 to limit the fourth pulling plate 314 from moving toward the second bracket 12.

In this embodiment, the spacer 7 may be disposed between the first pulling plate 311 and the first bracket 11, between the fourth pulling plate 314 and the second bracket 12, or between the first pulling plate 311 and the first bracket 11 and between the fourth pulling plate 314 and the second bracket 12. Preferably, a spacer 7 is arranged between the first pulling plate 311 and the first bracket 11 and between the fourth pulling plate 314 and the second bracket 12 to limit the first pulling plate 311 from moving towards the first bracket 11 and limit the fourth pulling plate 314 from moving towards the second bracket 12, so as to ensure that the first connecting mechanism 3 is fixed between the first bracket 11 and the second bracket 12, and thus ensure the stability of the guy rope fixing device during operation.

Further, the spacer 7 is cylindrical and is in clearance fit with the connecting shaft 2.

Optionally, as shown in fig. 1-4, the guy line fixture further comprises a positioning mechanism 8; the two ends of the connecting shaft 2 in the axial direction respectively penetrate through and extend out of the first support 11 and the second support 12, a first positioning groove and a second positioning groove are formed in the connecting shaft 2, the first positioning groove is located on one side, away from the second support 12, of the first support 11, and the second positioning groove is located on one side, away from the first support 11, of the second support 12; the positioning mechanism 8 is arranged at the first positioning groove and the second positioning groove, and the positioning mechanism 8 is suitable for limiting the connecting shaft 2 to move along the axial direction of the connecting shaft 2.

The first positioning groove and the second positioning groove are both annular, and the positioning mechanism 8 is also annular and is arranged at the first positioning groove and the second positioning groove so as to fix the position of the positioning mechanism 8 on the connecting shaft 2; the positioning mechanisms 8 are arranged at the two ends, far away from the first connecting mechanism 3, of the connecting shaft 2 to limit the connecting shaft 2 to move along the axis direction of the connecting shaft 2, so that the connecting shaft 2 is prevented from being separated from the support mechanism 1, the structural stability of the guy rope fixing device is guaranteed, and the reliability and the safety of the guy rope fixing device are improved.

Furthermore, the positioning mechanism 8 is a hoop, the first positioning groove and the second positioning groove are annular cutting grooves, and the hoop is arranged in the annular cutting grooves; wherein, the clamp is formed by two semicircular arc boards through the bolt concatenation to the installation and the dismantlement of clamp on connecting axle 2, and the inner circle area of clamp equals or slightly is less than the cross-sectional area of connecting axle 2 in first constant head tank and second constant head tank department, and wherein, the cross-sectional area of connecting axle 2 is the area of the face that exposes when connecting axle 2 blocks along the plane of its axis direction of perpendicular to.

Further, based on the first positioning groove and the second positioning groove being annular cutting grooves, the connecting shaft 2 is in a long pin shaft structure with the annular cutting grooves at two ends.

Further, based on the above embodiment, when assembling the guy rope fixing device, firstly, the connecting shaft 2 is inserted into one end of the first bracket 11 and a small section of the connecting shaft 2 is exposed, then the connecting shaft 2 is sequentially inserted according to the sequence of the spacer 7, the first pulling plate 311, the second pulling plate 312, the third pulling plate 313, the fourth pulling plate 314 and the spacer 7, then the connecting shaft 2 is inserted into the second bracket 12, and finally, the positioning mechanism 8 is installed at the first positioning groove and the second positioning groove at the two ends of the connecting shaft 2; a through hole in the middle of the third connecting plate 41 and the fourth connecting plate 42 in the shape of a triangular plate is arranged on a top end balancing device of the crane boom 92 through a pin shaft; secondly, installing a limiting mechanism 6 between the first pulling plate 311 and the second pulling plate 312, between the third pulling plate 313 and the fourth pulling plate 314, and between the second pulling plate 312 and the third pulling plate 313; then, connecting the first connecting plate 321 with the first pulling plate 311 and the second pulling plate 312, and connecting the second connecting plate 322 with the third pulling plate 313 and the fourth pulling plate 314; two guy wires 5 are used to connect the first connecting plate 321 to the third connecting plate 41, and two guy wires 5 are used to connect the second connecting plate 322 to the fourth connecting plate 42. Thus, the assembly of the guy rope fixing device is completed.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. A guy wire fixing device suitable for an excavating machine, comprising:

a bracket mechanism (1) for being provided on a vehicle body (91) of the excavating machine;

the connecting shaft (2) is arranged on the bracket mechanism (1) and is rotationally connected with the bracket mechanism (1);

the first connecting mechanism (3) is arranged on the connecting shaft (2) and is rotationally connected with the connecting shaft (2);

a second connecting mechanism (4) which is arranged on a lifting arm (92) of the excavating machine and is rotatably connected with the lifting arm (92);

a plurality of guy wires (5), wherein the guy wires (5) are suitable for connecting the first connecting mechanism (3) and the second connecting mechanism (4).

2. A guy rope securing device according to claim 1, wherein the bracket means (1) comprises a first bracket (11) and a second bracket (12) arranged at both ends of the connecting shaft (2), respectively, the first bracket (11) and the second bracket (12) being rotatably connected to the connecting shaft (2).

3. A guy wire fixing device according to claim 2, characterized in that the first connecting means (3) comprises a pulling plate (31) arranged on the connecting shaft (2) and rotatably connected to the connecting shaft (2) and a connecting plate (32) adapted to connect the guy wire (5), the pulling plate (31) being rotatably connected to the connecting plate (32).

4. A flat cable fixing device as claimed in claim 3 wherein said attachment plate (32) comprises a first attachment plate (321) and a second attachment plate (322), and said second attachment means (4) comprises a third attachment plate (41) and a fourth attachment plate (42); the first connecting plate (321) and the third connecting plate (41) and the second connecting plate (322) and the fourth connecting plate (42) are connected through at least one guy rope (5); and the distance between the first connecting plate (321) and the second connecting plate (322) is equal to the distance between the third connecting plate (41) and the fourth connecting plate (42).

5. The guy rope fixing device of claim 4, wherein the pulling plate (31) comprises a first pulling plate (311), a second pulling plate (312), a third pulling plate (313) and a fourth pulling plate (314), and the first pulling plate (311), the second pulling plate (312), the third pulling plate (313) and the fourth pulling plate (314) are sequentially sleeved on the connecting shaft (2) and are rotatably connected with the connecting shaft (2) from the first bracket (11) to the second bracket (12); the first connecting plate (321) is arranged between the ends of the first pulling plate (311) and the second pulling plate (312) far away from the connecting shaft (2), and the first connecting plate (321) is rotatably connected with the first pulling plate (311) and the second pulling plate (312); the second connecting plate (322) is arranged between the ends of the third pulling plate (313) and the fourth pulling plate (314) far away from the connecting shaft (2), and the second connecting plate (322) is rotatably connected with the third pulling plate (313) and the fourth pulling plate (314).

6. The flat cable fixing device according to claim 5, wherein the first connecting plate (321) is pivotally connected to the first pulling plate (311) and the second pulling plate (312) by a pin, and the second connecting plate (322) is pivotally connected to the third pulling plate (313) and the fourth pulling plate (314) by a pin; the number of the tightening ropes (5) is four, and the four tightening ropes (5) are respectively suitable for connecting the upper end of the first connecting plate (321) with the upper end of the third connecting plate (41), connecting the lower end of the first connecting plate (321) with the lower end of the third connecting plate (41), connecting the upper end of the second connecting plate (322) with the upper end of the fourth connecting plate (42), and connecting the lower end of the second connecting plate (322) with the lower end of the fourth connecting plate (42).

7. The guy rope fixing device of claim 5 or 6, further comprising a limiting mechanism (6) adapted to be fitted over the connecting shaft (2); the first pulling plate (311), the second pulling plate (312), the third pulling plate (313) and the fourth pulling plate (314) are all positioned between the first bracket (11) and the second bracket (12), and the limiting mechanism (6) is suitable for being arranged between the first pulling plate (311) and the second pulling plate (312) so as to limit one of the first pulling plate (311) and the second pulling plate (312) to move towards the other; and/or the limiting mechanism (6) is suitable for being arranged between the third pulling plate (313) and the fourth pulling plate (314) to limit one of the third pulling plate (313) and the fourth pulling plate (314) to move towards the other; and/or the limiting mechanism (6) is suitable for being arranged between the second pulling plate (312) and the third pulling plate (313) so as to limit the movement of one of the second pulling plate (312) and the third pulling plate (313) towards the other.

8. A guy wire attachment device according to claim 7, wherein the limiting mechanism (6) comprises a first arcuate portion (61) and a second arcuate portion (62) which are detachably connected, the first arcuate portion (61) and the second arcuate portion (62) enclosing a receiving hole adapted to be a clearance fit with the connecting shaft (2).

9. The guy rope fixing device of claim 7, further comprising a spacer (7) adapted to be fitted over the connecting shaft (2), the spacer (7) being adapted to be disposed between the first pulling plate (311) and the first bracket (11) to restrict the first pulling plate (311) from moving toward the first bracket (11); and/or the spacer (7) is adapted to be arranged between the fourth pulling plate (314) and the second bracket (12) to limit the fourth pulling plate (314) to move towards the second bracket (12).

10. A guy rope attachment according to claim 7, further comprising a positioning mechanism (8); two ends of the connecting shaft (2) in the axial direction respectively penetrate through and extend out of the first support (11) and the second support (12), a first positioning groove and a second positioning groove are formed in the connecting shaft (2), the first positioning groove is located on one side, away from the second support (12), of the first support (11), and the second positioning groove is located on one side, away from the first support (11), of the second support (12); the positioning mechanism (8) is arranged at the first positioning groove and the second positioning groove, and the positioning mechanism (8) is suitable for limiting the connecting shaft (2) to move along the axis direction of the connecting shaft (2).

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