CN217938967U - Boom system and operation machine - Google Patents

Abstract

The utility model relates to a cantilever crane field provides a cantilever crane system and operation machinery, wherein, a cantilever crane system, include: the first telescopic boom, the second telescopic boom, the third boom section and the fourth boom section are sequentially and rotatably connected, and the first luffing mechanism is rotatably connected with the first telescopic boom; the second telescopic boom and the first luffing mechanism are respectively arranged at two opposite sides of the first telescopic boom; a first telescopic cylinder is arranged between the fourth arm section and the third arm section. The utility model provides a cantilever crane system, through setting up first luffing mechanism and second telescopic boom respectively in the relative both sides of first telescopic boom; and a first telescopic cylinder is arranged between the third arm section and the fourth arm section to flexibly control the back hook operation of the fourth arm section, so that the stability of the boom system is improved and the flexibility of the boom system is improved on the basis of expanding the operation range of the boom system.

Description

Boom system and operation machine

Technical Field

The utility model relates to an cantilever crane technical field especially relates to a cantilever crane system and operation machinery.

Background

At present, operation machines such as fire engines, climbing vehicles and the like are all provided with arm supports for adapting to operation environments with long distances and high heights. The existing arm support of the operation machinery comprises a plurality of arm sections, and a plurality of telescopic arm sections are arranged in the arm sections and are used for operation in high-rise buildings or buildings with large occupied areas. However, the plurality of telescopic boom sections also have a stability problem in the boom extension process while increasing the working height or the working area. How to improve the stability in the working process of the operation machinery, reduce the probability that the operation machinery tumbles, and guarantee the flexibility of the cantilever crane is an important problem to be solved urgently in the industry at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cantilever crane system and operation machinery for solve among the prior art can't improve the defect of the flexibility ratio of cantilever crane system under the prerequisite of guaranteeing operation machinery stability, through with the relative both sides of first luffing mechanism and the flexible arm setting of second in first flexible arm, improve operation machinery stability, realize nimble action through first telescopic cylinder at fourth arm festival, simple structure, the quality is light, cantilever crane system stability improves.

The utility model provides a cantilever crane system, include:

a first telescopic arm;

the first luffing mechanism is rotatably connected with the first telescopic boom;

the second telescopic boom is rotatably connected with the first telescopic boom, and the second telescopic boom and the first luffing mechanism are respectively arranged at two opposite sides of the first telescopic boom;

the third arm section is rotatably connected with the second telescopic arm;

the fourth arm section is rotatably connected with the third arm section, and a first telescopic cylinder is arranged between the fourth arm section and the third arm section.

According to the utility model provides a cantilever crane system, under fold condition, the third arm festival with the fourth arm festival is on a straight line.

According to the utility model provides a boom system fourth arm festival for under the third arm festival expansion state, first telescoping cylinder is used for driving fourth arm festival orientation the direction motion of first flexible arm.

According to the utility model, the arm support system further comprises a rotary table, one end of the first telescopic arm is rotatably connected with the rotary table, and the other end of the first telescopic arm is rotatably connected with the second telescopic arm;

the first luffing mechanism is connected between the turntable and the first telescopic boom.

According to the utility model provides an arm support system, further comprises a second luffing mechanism, wherein the second luffing mechanism is connected between the first telescopic arm and the second telescopic arm;

the second luffing mechanism and the first luffing mechanism are respectively arranged on two opposite sides of the first telescopic boom;

and/or the presence of a gas in the atmosphere,

the telescopic boom further comprises a third amplitude varying mechanism, and the third amplitude varying mechanism is connected between the second telescopic boom and the third boom section.

According to the utility model provides a cantilever crane system, under fold condition, follow the width direction of first flexible arm, first flexible arm with the flexible arm parallel arrangement of second.

According to the utility model provides a cantilever crane system under fold condition, follow the direction of height of first flexible arm, the third arm festival the fourth arm festival all with the flexible arm of second is arranged from top to bottom.

According to the utility model provides a boom system, the third arm festival with the fourth arm festival is arranged in the flexible arm of second is close to one side of first luffing mechanism.

According to the utility model provides a boom system, first luffing mechanism includes second telescoping cylinder and third telescoping cylinder, the second telescoping cylinder with third telescoping cylinder parallel arrangement, the second telescoping cylinder with the rotatable connection of third telescoping cylinder is in on the first telescopic boom.

The utility model also provides an operating machine, including chassis and foretell cantilever crane system, cantilever crane system installs on the chassis.

The utility model provides an arm frame system, which improves the operation range of the arm frame system by arranging a first telescopic arm and a second telescopic arm which are connected in a rotatable way; the first luffing mechanism and the second telescopic boom are respectively arranged on two opposite sides of the first telescopic boom, so that the stability of the boom system is improved; connect third arm festival and fourth arm festival in order on the flexible arm of second to set up first telescoping cylinder between third arm festival and fourth arm festival, with the operation of colluding back of nimble control fourth arm festival, compare in prior art's connecting rod, first telescoping cylinder structure is simpler, can alleviate the weight of fourth arm festival, and then realize the cantilever crane system on the basis of enlarging the working range, improve cantilever crane system's stability, improve cantilever crane system's flexibility ratio simultaneously.

Further, the present invention provides a working machine having the boom system as described above, and therefore having various advantages as described above.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is one of the schematic views of the boom system in the expanded state provided by the present invention;

fig. 2 is a second schematic view illustrating the boom system in an expanded state according to the present invention;

fig. 3 is an axonometric view of the folding state of the boom system provided by the present invention;

fig. 4 is a plan view of the first and second telescopic arms provided by the present invention in a folded state;

fig. 5 is a front view of the folding state of the boom system provided by the present invention.

Reference numerals:

100: a first telescopic arm; 101: a first luffing mechanism; 102: a connecting member; 110: a turntable; 200: a second telescopic arm; 201: a second luffing mechanism; 300: a third arm section; 301: a third luffing mechanism; 400: a fourth arm section; 401: a first telescoping cylinder.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood as specific cases to those of ordinary skill in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Embodiments of the present invention will be described below with reference to fig. 1 to 5. It is to be understood that the following description is only exemplary of the present invention and is not intended to limit the present invention.

As shown in fig. 1, the utility model provides a boom system, include: the boom system comprises a first telescopic boom 100, a second telescopic boom 200, a third boom section 300 and a fourth boom section 400 which are sequentially and rotatably connected, and specifically, the boom system further comprises a first luffing mechanism 101, wherein the first luffing mechanism 101 is rotatably connected with the first telescopic boom 100, and the first luffing mechanism 101 is used for controlling the rotating angle of the first telescopic boom 100; the second telescopic boom 200 is rotatably connected with the first telescopic boom 100, and the second telescopic boom 200 and the first luffing mechanism 101 are respectively arranged at two opposite sides of the first telescopic boom 100; the third arm section 300 is rotatably connected with the second telescopic arm 200; the fourth arm section 400 is rotatably connected with the third arm section 300, and a first telescopic cylinder 401 is arranged between the fourth arm section 400 and the third arm section 300.

That is, with the longitudinal direction of the first telescopic boom 100 as a reference line, the second telescopic boom 200 is disposed on one side of the reference line, and the first horn 101 is disposed on the other side of the reference line. In other words, the deployment direction of the second telescopic boom 200 relative to the first telescopic boom 100 is opposite to the mounting position of the first horn 101 on the first telescopic boom 100; the mounting location of the first horn 101 is advantageous for maintaining the stability of the work machine in the deployed state of the first telescopic boom 100, the second telescopic boom 200, the third boom section 300 and the fourth boom section 400. Since the second telescopic boom 200, the third boom segment 300 and the fourth boom segment 400 have a first forward tension with respect to the first telescopic boom 100 while the first horn 101 has a second rearward tension balancing the first tension during continuous deployment, the first horn 101 effectively prevents the work machine from tipping over.

Particularly, when the second telescopic boom 200 continuously extends forwards to meet the requirement of a longer operation range, the first tension is continuously increased, and the angle control of the first telescopic boom 100 can be realized through the first luffing mechanism 101, so as to maintain the stability of the boom and the overall stability of the operation machine. For example, when the working machine is a fire fighting truck, a water pipe is arranged on the boom system, and when high-pressure water is introduced into the water pipe to extinguish a fire, because the water pressure is high, the fourth boom section 400 has a large reaction impact force on the boom system in the fire extinguishing process, and the reaction impact force can be effectively offset through the first luffing mechanism 101 arranged behind the first telescopic boom 100, so that the working machine is more stable in the fire extinguishing process.

The first telescopic cylinder 401 controls the fourth arm section 400 to rotate relative to the third arm section 300, flexibility of the fourth arm section 400 is improved, the first telescopic cylinder 401 can be a single oil cylinder, and compared with a double oil cylinder, a multi-oil cylinder, a luffing mechanism or other power driving devices, the telescopic arm section has the advantage of light weight, and flexibility of the fourth arm section 400 in the operation process can be improved. For example, when the working machine is a fire truck, the fourth arm section 400 is provided with a nozzle, and the fourth arm section 400 can control the nozzle to return to the hook for fire extinguishing through the first telescopic boom 100, that is, the fourth arm section 400 can drive the nozzle to extinguish fire toward the first telescopic boom 100. For example, in an embodiment of the present invention, the length of fourth arm segment 400 is less than the length of third arm segment 300.

Particularly, when carrying out the fire control operation of high-rise building or the great building of area, the fire engine can't enter into the opposite side of building, and the structure of first telescopic boom and second telescopic boom has improved the operation scope of putting out a fire, can realize that cantilever crane system stretches into the opposite side of building etc. far away distance to the relative both sides of first telescopic boom are arranged respectively to second telescopic boom and first luffing mechanism, can further improve the operation mechanical stability when the operation on a large scale, effectively prevent to tumble. And the fourth arm section 400 at the tail end of the arm support can be used for back hooking fire extinguishing, namely the fire extinguishing at the rear of the building is realized. Compare in the three-armed festival structure of the cantilever crane of correlation technique, the utility model discloses a cantilever crane system is carrying out the time of colluding on going on returning of operation on a large scale and putting out a fire, and the barrier effect is kept away in realization that can be better, and the application scene of putting out a fire is more extensive.

The fourth arm section 400 is driven by a single oil cylinder, so that the structure is relatively simple, and the weight of the tail end arm support can be reduced; when the operation that the degree of difficulty is great is carried out, can reduce the probability that the vehicle tumbles, and light structure can promote fire control operation and improve work efficiency, further reduces life and loss of property.

Of course, the fourth arm section 400 may be used to mount a storage box or other structure besides the spray head, so as to facilitate the transportation of necessary materials, such as rescue materials like ladders, ropes, gas masks, etc., from high altitude.

With continued reference to fig. 1, in an embodiment of the present invention, the boom system further includes a rotary table 110, one end of the first telescopic arm 100 is rotatably connected to the rotary table 110, and the other end of the first telescopic arm 100 is rotatably connected to the second telescopic arm 200; the first horn 101 is connected between the turntable 110 and the first telescopic boom 100.

The turntable 110 is mounted on a body of the working machine, the turntable 110 is rotatable relative to the body, and the turntable 110 drives the first telescopic arm 100 to rotate relative to the body. Wherein one end of the first horn 101 is rotatably coupled to the first telescopic boom 100 and the other end of the first horn 101 is rotatably coupled to the turntable 110. The telescoping of the first horn 101 effects extension and folding of the first telescoping boom 100 relative to the turret 110. The point of attachment of the turret 110 to the first horn 101 is located rearward of the first telescopic boom 100.

Wherein, to the utility model discloses a first luffing mechanism 101 in the utility model discloses a further embodiment, first luffing mechanism 101 includes second telescoping cylinder and third telescoping cylinder, second telescoping cylinder and third telescoping cylinder parallel arrangement, and rotatable the connection of second telescoping cylinder and third telescoping cylinder is on first telescopic boom 100. Specifically, one end of the second telescopic cylinder is hinged to the first telescopic arm 100, and the other end of the second telescopic cylinder is hinged to the rotary table 110; one end of the third telescopic cylinder is hinged to the first telescopic arm 100, the other end of the third telescopic cylinder is hinged to the rotary table 110, and the second telescopic cylinder and the third telescopic cylinder are parallel to each other in the telescopic direction.

As shown in fig. 1 and 2, the boom system further includes a second luffing mechanism 201, and the second luffing mechanism 201 is connected between the first telescopic boom 100 and the second telescopic boom 200; wherein the second horn 201 and the first horn 101 are disposed at opposite sides of the first telescopic boom 100, respectively.

Specifically, one end of the second luffing mechanism 201 is rotatably connected to the first telescopic boom 100, the other end of the second luffing mechanism 201 is rotatably connected to the second telescopic boom 200, and the second luffing mechanism 201 is capable of driving the second telescopic boom 200 to unfold relative to the first telescopic boom 100. In other words, the second luffing mechanism 201 is disposed in front of the first telescopic boom 100 and the first luffing mechanism 101 is disposed behind the first telescopic boom 100, as shown in fig. 3, during transportation of the boom system, the boom system is in a folded state, in which the second luffing mechanism 201 is disposed along the length of the second telescopic boom 200; the turret 110 and the second horn 201 are disposed on opposite sides of the second telescopic boom 200 in the length direction of the second telescopic boom 200.

As shown in fig. 1, in a specific embodiment of the present invention, the boom system further comprises a third luffing mechanism 301, and the third luffing mechanism 301 is connected between the second telescopic boom 200 and the third boom section 300. The third luffing mechanism 301 can bring about a rotation of the third arm segment 300 relative to the second telescopic arm 200. Wherein the second horn 201 can be arranged in the boom system simultaneously with or separately from the third horn 301.

Specifically, as shown in fig. 4, in some embodiments of the present invention, in the folded state, the first telescopic arm 100 is arranged in parallel with the second telescopic arm 200 along the width direction of the first telescopic arm 100.

Specifically, the first telescopic arm 100 and the second telescopic arm 200 are connected in a staggered manner through the connecting piece 102, so that the first telescopic arm 100 and the second telescopic arm 200 are prevented from being stacked up and down, and the overall height of the arm support is reduced. In other words, in the folded state, the extension direction of the first telescopic arm 100 is parallel to the extension direction of the second telescopic arm 200, and the extension direction of the first telescopic arm 100 extends from the turntable 110 to the link 102, while the extension direction of the second telescopic arm 200 extends from the link 102 to the turntable 110, that is, the extension directions of the first telescopic arm 100 and the second telescopic arm 200 are opposite.

Further, as shown in fig. 5, in an optional embodiment of the present invention, in the folded state, the third arm section 300 and the fourth arm section 400 are arranged up and down with the second telescopic arm 200 along the height direction of the first telescopic arm 100. That is, the third arm section 300 and the fourth arm section 400 are stacked on the second telescopic arm 200.

Wherein, in another alternative embodiment of the present invention, the third arm section 300 and the fourth arm section 400 are disposed on a side of the second telescopic arm 200 adjacent to the first horn 101. Specifically, the third arm section 300 and the fourth arm section 400 are interposed between the second telescopic arm 200 and the first horn 101 in the height direction. That is, the third arm section 300 and the fourth arm section 400 are interposed between the second telescopic arm 200 and the work machine body. The arrangement of the whole arm support system is more compact and reasonable, and the space is saved.

Furthermore, in an alternative embodiment of the present invention, in the folded state, the third arm segment 300 is aligned with the fourth arm segment 400. That is, the third arm segment 300 and the fourth arm segment 400 are arranged in a straight line, and the third arm segment 300 and the fourth arm segment 400 are parallel to the second telescopic arm 200. Wherein the third luffing mechanism 301 is arranged between the second telescopic boom 200 and the third boom segment 300 and the second luffing mechanism 201 is arranged in the direction of the second telescopic boom 200 and the work machine body.

Further, as shown in fig. 1, in an embodiment of the present invention, in a state that the fourth arm section 400 is unfolded relative to the third arm section 300, the first telescopic cylinder 401 is used to drive the fourth arm section 400 to move toward the first telescopic arm 100. That is, when the third arm section 300 and the fourth arm section 400 are switched from the folded state to the unfolded state, the third arm section 300 is unfolded outward from below the second telescopic arm 200. The fourth arm section 400 rotates inwards around the third arm section 300 under the action of the first telescopic cylinder 401, that is, the end of the fourth arm section 400 where the spray head is installed rotates towards the first telescopic arm 100. The rotation range of the fourth arm section 400 relative to the third arm section 300 is 0 to 180 degrees, and the optimal hook angle range is 0 to 90 degrees. When the third arm section 300 and the fourth arm section 400 are collinear, the rotation angle of the fourth arm section 400 is 0 degree, and when the fourth arm section 400 rotates towards the first telescopic arm 100 continuously, the included angle formed by the extension line direction of the fourth arm section 400 and the third arm section 300 is a hook-back angle.

The utility model also provides an operation machine, including chassis and the cantilever crane system of above-mentioned embodiment, cantilever crane system mounting is on the chassis. The work machine further includes a cab, a power mechanism, and the like. The working machine can be a climbing vehicle, a fire truck, a concrete pump truck, an excavator, a crane and the like.

The utility model provides a boom system, which is provided with a first telescopic boom 100 and a second telescopic boom 200 which are connected in a rotatable way, so as to improve the operation range of the boom system; the first luffing mechanism 101 and the second telescopic boom 200 are respectively arranged on two opposite sides of the first telescopic boom 100, so that the stability of the boom system is improved; the third arm section 300 and the fourth arm section 400 are sequentially connected to the second telescopic arm 200, and the first telescopic cylinder 401 is arranged between the third arm section 300 and the fourth arm section 400 to flexibly control the hooking operation of the fourth arm section 400, so that the stability of the boom system is improved and the flexibility of the boom system is improved on the basis of expanding the operation range of the boom system.

Further, the present invention provides a working machine having the boom system as described above, and therefore having various advantages as described above.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A boom system, comprising:

a first telescopic arm (100);

a first horn (101), said first horn (101) being rotatably connected to said first telescopic boom (100);

the second telescopic boom (200) is rotatably connected with the first telescopic boom (100), and the second telescopic boom (200) and the first luffing mechanism (101) are respectively arranged at two opposite sides of the first telescopic boom (100);

a third arm section (300), the third arm section (300) being rotatably connected with the second telescopic arm (200);

a fourth arm section (400), the fourth arm section (400) with the third arm section (300) rotatable coupling, the fourth arm section (400) with set up first telescoping cylinder (401) between third arm section (300).

2. Boom system according to claim 1, characterized in that in folded state the third arm section (300) is in line with the fourth arm section (400).

3. The boom system of claim 2, characterized in that the first telescopic cylinder (401) is configured to move the fourth boom section (400) towards the first telescopic boom (100) in a deployed state of the fourth boom section (400) relative to the third boom section (300).

4. Boom system according to any of claims 1-3, characterized in that it further comprises a turntable (110), one end of said first telescopic arm (100) being rotatably connected to said turntable (110), the other end of said first telescopic arm (100) being rotatably connected to said second telescopic arm (200);

the first luffing mechanism (101) is connected between the turntable (110) and the first telescopic boom (100).

5. The boom system of any of claims 1 to 3, further comprising a second horn (201), the second horn (201) being connected between the first telescopic boom (100) and the second telescopic boom (200);

the second luffing mechanism (201) and the first luffing mechanism (101) are respectively arranged on two opposite sides of the first telescopic boom (100);

and/or the presence of a gas in the gas,

and the telescopic boom further comprises a third luffing mechanism (301), wherein the third luffing mechanism (301) is connected between the second telescopic boom (200) and the third boom section (300).

6. Boom system according to any of claims 1-3, characterized in that in folded state the first telescopic boom (100) is arranged in parallel with the second telescopic boom (200) in the width direction of the first telescopic boom (100).

7. The boom system according to claim 6, characterized in that in the folded state, the third boom section (300) and the fourth boom section (400) are arranged up and down with the second telescopic boom (200) in the height direction of the first telescopic boom (100).

8. The boom system of claim 7, characterized in that the third boom section (300) and the fourth boom section (400) are placed on the side of the second telescopic boom (200) close to the first luffing mechanism (101).

9. The boom system of claim 1, wherein the first luffing mechanism (101) comprises a second telescopic cylinder and a third telescopic cylinder, the second telescopic cylinder and the third telescopic cylinder are arranged in parallel, and the second telescopic cylinder and the third telescopic cylinder are rotatably connected to the first telescopic boom (100).

10. A work machine comprising a chassis and a boom system of any of claims 1 to 9, the boom system being mounted on the chassis.

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