CN219794037U - Bucket rod and working machine - Google Patents

Abstract

The utility model relates to the technical field of working machines, and provides a bucket rod and a working machine. The bucket rod comprises a rod body and a damping piece; the rod body is used for connecting the movable arm and the accessory; the damping piece is arranged at one end of the rod body, which is close to the accessory, and is used for covering the impact position between the accessory and the rod body, and is arranged at the bottom of the rod body in an adjustable manner along the length direction of the rod body. When the part of the shock absorbing piece, which is positioned at the impact point of the rod body and the accessory, is damaged, the position of the shock absorbing piece can be adjusted along the length of the rod body, and the undamaged part of the shock absorbing piece is adjusted to the impact point of the accessory and the rod body. So set up, through the position of adjusting the shock attenuation piece along the length direction of the body of rod, can make the not destroyed part of shock attenuation piece be in the striking point department to improve the utilization ratio of shock attenuation piece, reduce the change frequency of shock attenuation piece, avoid the wasting of resources, reduce the replacement cost.

Description

Bucket rod and working machine

Technical Field

The utility model relates to the technical field of working machines, in particular to a bucket rod and a working machine.

Background

An excavator is a work machine commonly used in national production and construction, and generally includes a boom and an arm connected to the boom. The bucket rod is also called a small arm and is used for connecting various accessories such as a bucket or a sleeper-changing ballast scraping plate. In the process of using the excavator, when the included angle between the accessory and the bucket rod is reduced, the accessory possibly collides with the bottom of the bucket rod, and in order to slow down the collision between the accessory and the bucket rod, a shock absorbing piece is usually arranged at the bottom of the bucket rod.

In the prior art, an installation groove is formed in the bottom surface of the bucket rod, the damping piece is arranged in the installation groove, and when the damping piece is located at the impact point of the accessory and the bucket rod and falls off or breaks due to impact, the damping piece does not have the buffering and shock absorbing effects any more, and a new damping piece needs to be replaced. However, the damping member in the prior art can only be replaced entirely after being damaged, which is easy to cause resource waste.

Disclosure of Invention

The utility model provides a bucket rod and an operation machine, which are used for solving the defect that a damping part in the prior art can only be replaced entirely after being damaged and has high replacement cost, and realizing the effect of reducing the replacement cost of the damping part.

The utility model provides a bucket rod, which comprises a rod body and a damping piece;

the rod body is used for connecting the movable arm and the accessory;

the damping piece is arranged at one end of the rod body, which is close to the accessory, and is used for covering the impact position between the accessory and the rod body, and is arranged at the bottom of the rod body in an adjustable manner along the length direction of the rod body.

According to the bucket rod provided by the utility model, the bucket rod further comprises a sliding groove, the sliding groove extends along the length direction of the rod body and is arranged at the bottom of the rod body, the sliding groove is arranged at one end, close to the accessory, of the rod body, and the damping part is adjustably arranged in the sliding groove in position.

According to the bucket rod provided by the utility model, one of the shock absorbing piece and the sliding groove is provided with the arc-shaped bulge, the other is provided with the clamping groove for clamping in the arc-shaped bulge, at least one of the arc-shaped bulge and the clamping groove is provided with a plurality of arc-shaped bulges and/or a plurality of clamping grooves, and the arc-shaped bulges and/or the clamping grooves are distributed along the length direction of the bucket rod.

According to the bucket rod provided by the utility model, the two ends of the damping piece are provided with the connecting holes which are arranged in a penetrating way.

According to the bucket rod provided by the utility model, the bucket rod further comprises a first threaded fastener, the shock absorbing piece is provided with a first threaded hole, the sliding groove is provided with a first through hole used for being connected with the first threaded hole, at least one of the first threaded hole and the first through hole is multiple, the multiple first threaded holes and/or the multiple first through holes are distributed along the length direction of the bucket rod, and the first threaded fastener penetrates through the first through hole and is connected with the corresponding first threaded hole.

According to the bucket rod provided by the utility model, the sliding groove is connected with the rod body in a welding way, or the sliding groove is connected with the rod body through the threaded connecting piece.

According to the bucket rod provided by the utility model, the bucket rod further comprises a magnet, and the damping piece is connected with the rod body through the magnet.

According to the bucket rod provided by the utility model, the bucket rod further comprises a second threaded fastener, the rod body is provided with a second threaded hole, the shock absorbing piece is provided with a second through hole used for being connected with the second threaded hole, at least one of the second threaded hole and the second through hole is multiple, the multiple second threaded holes and/or the multiple second through holes are distributed along the length direction of the bucket rod, and the second threaded fastener penetrates through the second through hole and is connected with the corresponding second threaded hole.

According to the bucket rod provided by the utility model, the damping piece comprises the damping block and the mounting plate, the damping block is connected with the mounting plate, and the mounting plate is adjustably arranged at the bottom of the rod body.

The utility model also provides a working machine comprising the bucket rod.

According to the bucket rod, the damping piece is arranged at the bottom of the rod body in the position adjustable manner along the length direction of the rod body, when the part of the damping piece, which is positioned at the impact point of the rod body and the accessory, is damaged, the position of the damping piece can be adjusted along the length of the rod body, and the undamaged part of the damping piece can be adjusted to the impact point of the accessory and the rod body.

So set up, through the position of adjusting the shock attenuation piece along the length direction of the body of rod, can make the not destroyed part of shock attenuation piece be in the impact point department and continue to play buffering shock attenuation effect to improve the utilization ratio of shock attenuation piece, reduce the change frequency of shock attenuation piece, avoid the wasting of resources, reduce the replacement cost.

In addition, in the prior art, the sizes and the shapes of different types of accessories are different, so that the positions of the impact points of the accessories and the bucket rod are also different, the prior art generally adopts the mode of increasing the size of a shock absorption piece or arranging a special shock absorption bucket rod for each accessory so as to solve the problem that the positions of the impact points are different after the different types of accessories are replaced, and the mode has higher cost and is inconvenient to use. According to the bucket rod, the position of the shock absorbing piece is adjusted along the length direction of the bucket rod, so that the shock absorbing piece can move to the impact point corresponding to each accessory, and on the premise that the size of the shock absorbing piece is not increased, the shock absorbing piece can meet the requirement of adjusting the impact point after replacing different types of accessories, and the bucket rod is lower in cost and convenient to use.

The working machine provided by the utility model comprises the bucket rod, so that all the advantages of the bucket rod are simultaneously contained.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of the connection of an arm, an accessory, and a boom provided in some embodiments of the present utility model;

FIG. 2 is a schematic view of a connection structure between a shock absorbing member and a chute according to some embodiments of the present utility model;

fig. 3 is a schematic view of the view of fig. 2 at other angles.

Reference numerals:

1. a rod body; 2. a movable arm; 3. an accessory; 4. a chute; 5. a shock absorbing member; 501. a damper block; 502. a mounting plate; 6. arc-shaped bulges; 7. a clamping groove; 8. and a connection hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, collision between the attachment and the stick may occur when the angle between the attachment and the stick is gradually reduced. In the prior art, in order to alleviate collision between an accessory and a bucket rod, a shock absorbing member is generally arranged at the bottom of the bucket rod. The bottom surface of dipper is provided with the mounting groove, and the shock attenuation piece sets up in the mounting groove. However, when the part of the shock absorbing member located at the impact point between the attachment and the arm is impacted and falls off or breaks, the shock absorbing member no longer has the effect of buffering and absorbing shock, and a new shock absorbing member needs to be replaced. However, the damping member in the prior art can only be replaced entirely after being damaged, which is easy to cause resource waste. In order to solve the problem that the damping part in the prior art can only be replaced entirely after being damaged and has high replacement cost, the utility model provides a bucket rod and a working machine.

The arm provided in the embodiment of the present utility model is described below with reference to fig. 1 to 3.

Specifically, the stick includes a stick body 1 and a damper 5.

As shown in fig. 1, a rod body 1 is used for connecting a movable arm 2 and an accessory 3. Namely, two ends of the rod body 1 are respectively hinged with the movable arm 2 and the accessory 3. The attachment shown in fig. 1 is a sleeper-changing ballast-scraping plate, and when the included angle between the sleeper-changing ballast-scraping plate and the bucket rod is reduced, the sleeper-changing ballast-scraping plate can collide with the bucket rod.

The shock-absorbing element 5 is arranged at one end of the rod body 1, which is close to the accessory 3, and the shock-absorbing element 5 is used for covering the impact position between the accessory 3 and the rod body 1. And the damping piece 5 is arranged at the bottom of the rod body 1 in a position-adjustable manner along the length direction of the rod body 1. The bottom of the rod body 1 is the side of the rod body 1 close to the movable arm 2 as shown in fig. 1. The length direction of the rod body 1 refers to the direction from the connecting end of the rod body 1 and the movable arm 2 to the connecting end of the rod body 1 and the accessory 3. For example, the damper 5 may be provided on the rod body in a position-adjustable manner by sliding through a chute, fastening by screw, or by magnet attraction.

According to the bucket rod provided by the embodiment of the utility model, the damping piece 5 is arranged at the bottom of the rod body 1 in the position adjustable manner along the length direction of the rod body 1, when the part of the damping piece 5 at the impact point of the rod body 1 and the accessory 3 is damaged, the position of the damping piece 5 can be adjusted along the length of the rod body 1, and the undamaged part of the damping piece 5 is adjusted to the impact point of the accessory 3 and the rod body 1.

So set up, through the position of adjusting shock attenuation piece 5 along the length direction of body of rod 1, can make the not destroyed part of shock attenuation piece 5 be in the impact point department and continue to play buffering shock attenuation effect to improve the utilization ratio of shock attenuation piece 5, reduce the change frequency of shock attenuation piece 5, avoid the wasting of resources, reduce the replacement cost.

In addition, in the prior art, the sizes and shapes of the different types of the accessories 3 are different, so that the positions of the impact points of the accessories 3 and the bucket rod are also different, in the prior art, the size of the shock absorbing piece 5 is generally increased or a special shock absorbing bucket rod is arranged for each type of the accessories 3, so that the problem that the positions of the impact points are different after the different types of the accessories 3 are replaced is solved, the cost is higher, and the use is inconvenient. According to the bucket rod provided by the utility model, the position of the shock absorbing piece 5 is adjusted along the length direction of the bucket rod, so that the shock absorbing piece 5 can move to the impact point corresponding to each accessory 3, and on the premise that the size of the shock absorbing piece 5 is not increased, the shock absorbing piece 5 can meet the requirement of adjusting the impact point after replacing different types of accessories 3, the cost is lower, and the use is convenient.

It should be understood by those skilled in the art that the shock absorbing member 5 provided at the bottom of the arm in the present utility model is not limited to the use of the shock absorbing member to absorb the impact between the arm and the attachment 3. For example, in a work place such as an open-pit mine, the bottom of the arm may be impacted by ore, and the damper 5 provided at the bottom of the arm can also have the effect of buffering the impact between the ore and the arm, thereby protecting the arm from damage.

In some embodiments of the present utility model, the stick further includes a chute 4, the chute 4 extends along the length of the stick body 1, and the chute 4 is disposed at the bottom of the stick. The chute 4 is arranged at one end of the rod body 1 close to the accessory. The damping member 5 is mounted to the chute 4 in a position-adjustable manner. So set up, when the position of needs adjustment shock attenuation spare 5, can promote shock attenuation spare 5 along spout 4, use more convenient and fast. For example, the shock absorber 5 may be an interference fit with the chute 4 so that the shock absorber 5 can be maintained in a target position.

As shown in fig. 2 and 3, specifically, the chute 4 has a T-shaped slot structure, the damper 5 has a T-shaped structure, the damper 5 is disposed in the chute 4, and the upper surface of the damper 5 protrudes from the upper surface of the chute 4. Alternatively, the chute 4 may be made of sheet metal bending plates.

In some embodiments provided by the present utility model, one of the shock absorbing member 5 and the chute 4 is provided with an arc-shaped protrusion 6, and the other is provided with a clamping groove 7 into which the arc-shaped protrusion 6 is clamped. For example, fig. 2 and 3 show a scheme that the side wall of the chute 4 is provided with a clamping groove 7, and the side wall of the shock absorbing member 5 is provided with an arc-shaped protrusion 6. At least one of the arc-shaped protrusions 6 and the clamping grooves 7 is arranged in a plurality, and the arc-shaped protrusions 6 and/or the clamping grooves 7 are/is arranged along the length direction of the bucket rod. As shown in fig. 2 and 3, the arc-shaped protrusion 6 and the clamping groove 7 are provided in a plurality.

So set up, when using, arc protruding 6 card is gone into in draw-in groove 7, has increased the connecting force of shock attenuation piece 5 with spout 4, prevents that shock attenuation piece 5 from shifting in the use to make shock attenuation piece 5 can keep in the target position better. When the position of the damping piece 5 needs to be adjusted, the damping piece 5 is directly pushed and pulled to enable the arc-shaped bulge 6 to be matched with the clamping groove 7 at other positions, and the use is more convenient. Through setting up arc protruding 6, the curved surface of arc protruding 6 plays the direction transitional effect, and arc protruding 6 of being convenient for is connected and breaks away from with draw-in groove 7.

Of course, the shock absorbing member 5 and the chute 4 are not limited to being positioned by the cooperation of the arcuate projection 6 and the catch 7, such as in some embodiments provided by the present utility model, the stick further includes a first threaded fastener. The damping piece 5 is provided with a first threaded hole, and the chute 4 is provided with a first through hole connected with the first threaded hole. At least one of the first screw hole and the first through hole is provided in plurality. The first threaded holes and/or the first through holes are distributed along the length direction of the bucket rod, and the first threaded fasteners penetrate through the first through holes and are connected with the corresponding first threaded holes.

So set up, when using, be connected first through-hole and corresponding first screw hole through first threaded fastener, prevent that shock absorber 5 from following spout 4 and remove to can make shock absorber 5 can keep in the target position better. When the position of the damping piece 5 needs to be adjusted, the first threaded fastener is screwed out, the position of the damping piece 5 is adjusted along the sliding groove 4, the first threaded hole is opposite to the first through holes at other positions, and the first threaded hole is connected with the corresponding first through hole by the first threaded fastener. Alternatively, the first threaded fastener may be a screw or bolt.

In some embodiments of the present utility model, both ends of the shock absorbing member 5 are provided with connecting holes 8 provided therethrough. By providing the connection hole 8, an operator is facilitated to connect with the connection hole 8 by using a tool such as a hook or a connection rope, and thereby the damper 5 is pulled by using a tool such as a hook or a connection rope, so that the operator can apply a force to the damper 5.

In some embodiments provided by the utility model, the chute 4 is welded to the rod body 1. So set up, the connection structure of spout 4 and body of rod 1 is simple.

Of course, the chute 4 is not limited to the welded connection with the rod body 1, and for example, the chute 4 may be connected with the rod body 1 by a screw connection. The screw connection passes through the chute 4 and is connected with the rod body 1, thereby fixing the chute 4 on the rod body 1. So arranged, the chute 4 can be removed when the attachment 3 is not at risk of impact with the rod body 1. In addition, a plurality of threaded holes for being connected with the threaded connecting piece can be formed in the rod body 1, so that the installation position of the sliding groove 4 on the rod body 1 can be conveniently adjusted, and the installation position of the sliding groove 4 can be flexibly adjusted. For example, a greater adjustment range of the damping element 5 can be achieved in conjunction with the movement of the damping element 5 in the slide groove 4. Alternatively, the threaded connection may be a bolt or screw.

Of course, the damper 5 is not limited to being provided at the bottom of the rod body 1 through the chute 4. For example, in other embodiments provided by the present utility model, the stick includes a magnet, and the damper 5 is connected to the stick body 1 through the magnet. For example, the surface of the damper 5 for coupling with the rod body 1 is provided with a mounting groove in which the magnet is disposed. Since the rod body 1 is usually of steel structure, the damper 5 may be attracted to the bottom of the rod body 1 by a magnet when in use. Therefore, the position of the damping piece 5 on the rod body 1 can be adjusted at will, and the stepless adjusting effect is achieved.

Of course, the damper 5 is not limited to being connected to the rod body 1 by a magnet. For example, in other embodiments provided herein, the stick further includes a second threaded fastener. The rod body 1 is provided with a second threaded hole, and the damping piece 5 is provided with a second through hole for being connected with the second threaded hole. At least one of the second screw holes and the second through holes is provided in plurality. The second threaded holes and/or the second through holes are distributed along the length direction of the bucket rod, and the second threaded fasteners penetrate through the second through holes and are connected with the corresponding second threaded holes.

In this way, in use, the second through hole is connected to the corresponding second screw hole by the second screw fastener, and the damper 5 can be fixed to the rod body 1. When the position of the damping piece 5 needs to be adjusted, the second threaded fastener is screwed out, the position of the damping piece 5 is adjusted, the second threaded hole is opposite to the second through holes at other positions, and the second threaded hole is connected with the corresponding second through hole by the second threaded fastener. Alternatively, the second threaded fastener may be a screw or bolt.

In some embodiments provided by the present utility model, shock absorber 5 comprises shock absorber mass 501 and mounting plate 502. The damper block 501 is coupled to the mounting plate 502. The mounting plate 502 is adjustably positioned at the bottom of the rod body 1. For example, the shock absorbing block 501 may be a rubber block. The damper block 501 may be coupled to the mounting plate 502 by bolts or screws. Further, the mounting plate 502 is provided with the arc-shaped protrusion 6, and the mounting plate 502 is slidably mounted in the chute 4. The friction between the mounting plate 502 and the chute 4 is smaller than that of rubber, and thus, the arrangement is more labor-saving when adjusting the position of the damper 5 along the chute 4.

The embodiment of the utility model also provides a working machine.

Specifically, the work machine includes the arm as described above. Further, the working machine further includes a boom 2, and the arm is rotatably connected to the boom 2.

It should be noted that, the working machine includes the arm, and all advantages of the arm are also included, which is not described herein.

Additionally, work machines include, but are not limited to, excavators.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The bucket rod is characterized by comprising a rod body (1) and a damping piece (5);

the rod body (1) is used for connecting the movable arm (2) and the accessory (3);

the shock-absorbing piece (5) is arranged at one end of the rod body (1) close to the accessory (3), the shock-absorbing piece (5) is used for covering the impact position between the accessory (3) and the rod body (1), the shock-absorbing piece (5) is arranged at the bottom of the rod body (1) in a position-adjustable mode along the length direction of the rod body (1).

2. The bucket rod according to claim 1, further comprising a chute (4), wherein the chute (4) extends along the length direction of the rod body (1) and is arranged at the bottom of the rod body (1), the chute (4) is arranged at one end of the rod body (1) close to the accessory, and the shock absorbing member (5) is mounted on the chute (4) in a position-adjustable manner.

3. The bucket rod according to claim 2, characterized in that one of the damping member (5) and the sliding groove (4) is provided with an arc-shaped protrusion (6), the other is provided with a clamping groove (7) into which the arc-shaped protrusion (6) is clamped, at least one of the arc-shaped protrusion (6) and the clamping groove (7) is provided in a plurality, and a plurality of the arc-shaped protrusions (6) and/or the clamping grooves (7) are arranged along the length direction of the bucket rod.

4. The bucket rod according to claim 2, further comprising a first threaded fastener, wherein a first threaded hole is formed in the damper (5), the chute (4) is provided with a first through hole for connection with the first threaded hole, at least one of the first threaded hole and the first through hole is provided in plurality, a plurality of the first threaded holes and/or a plurality of the first through holes are arranged in the length direction of the bucket rod, and the first threaded fastener penetrates through the first through hole and is connected with the corresponding first threaded hole.

5. The arm according to claim 2, characterized in that both ends of the damping element (5) are provided with through-arranged connecting holes (8).

6. The stick according to claim 2, characterized in that the chute (4) is welded to the stick body (1) or that the chute (4) is connected to the stick body (1) by means of a threaded connection.

7. The stick according to claim 1, characterized in that it further comprises a magnet, by means of which the damping element (5) is connected to the stick body (1).

8. The bucket rod according to claim 1, further comprising a second threaded fastener, wherein a second threaded hole is formed in the rod body (1), a second through hole for connecting with the second threaded hole is formed in the shock absorbing member (5), at least one of the second threaded hole and the second through hole is provided in plurality, the plurality of second threaded holes and/or the plurality of second through holes are arranged along the length direction of the bucket rod, and the second threaded fastener penetrates through the second through hole and is connected with the corresponding second threaded hole.

9. The stick according to any one of claims 1-8, characterized in that the damping element (5) comprises a damping block (501) and a mounting plate (502), the damping block (501) being connected to the mounting plate (502), the mounting plate (502) being arranged in a position-adjustable manner at the bottom of the stick body (1).

10. A work machine comprising an arm according to any one of claims 1 to 9.