WO2022160738A1

WO2022160738A1 - Oil tank assembly structure of crane and crane

Info

Publication number: WO2022160738A1
Application number: PCT/CN2021/118818
Authority: WO
Inventors: 李安强; 袁骜
Original assignee: 三一汽车起重机械有限公司
Priority date: 2021-01-26
Filing date: 2021-09-16
Publication date: 2022-08-04
Also published as: CN214359917U

Abstract

An oil tank assembly structure of a crane and a crane. The oil tank assembly structure of a crane comprises a mounting frame (200) and a mounting assembly (300). The mounting frame (200) is adapted to secure an oil tank. The mounting assembly (300) comprises a supporting member (310), and the supporting member (310) is adapted to longitudinally support the mounting frame (200) on a crane frame (100). The mounting frame (200) and the crane frame (100) are mounted by using the mounting assembly (300), and the mounting assembly (300) is provided with the supporting member (310). The supporting member (310) is used to bear a longitudinal pulling force between the mounting frame (200) and the crane frame (100), and the mounting frame (200) and the crane frame (100) are laterally limited by using only bolts, welding, or the like.

Description

Crane fuel tank assembly structure and crane

technical field

The utility model relates to the technical field of crane assembly, in particular to a crane oil tank assembly structure and a crane.

Background technique

Crane refers to a multi-action hoisting machine that vertically lifts and horizontally transports heavy objects within a certain range. Its working principle is that through the manipulation of the control system, the driving device inputs the power energy, converts it into mechanical energy, and then transmits it to the picking device. . The pick-up device connects the object to be transported with the crane, and completes the lifting, running, lowering and returning to the original position through the movement of the working mechanism alone or in combination.

At present, most of the cranes are produced and assembled independently of the components. In order to facilitate disassembly and transportation, the fuel tank bracket is usually made into an assembled type. It is common practice to bolt the tank bracket to the frame directly. In this way, all the forces in the vertical direction of the fuel tank are borne by the connecting bolts, and the requirements for the bearing capacity of the bolts are very high, especially for the shear force. However, the ability of bolts to withstand shearing force is poor. In the prior art, large bolts, high-strength bolts or increasing the number of bolts are usually used to overcome them, but the cost increases and the disassembly and assembly are inconvenient.

Utility model content

The problem solved by the utility model is that the existing crane directly connects the oil tank support and the frame through bolts, and all the forces in the vertical direction of the oil tank are borne by the connecting bolts, and the bearing capacity of the bolts is very high, especially the shearing capacity. The cutting force requirement is higher.

In order to solve the above problems, the present invention provides an assembly structure of a crane oil tank, which includes an installation frame and an installation assembly, the installation frame is suitable for fixing the oil tank, and the installation assembly includes a supporting member, and the supporting member is suitable for attaching the oil tank. The mounting frame is longitudinally supported on the crane frame.

The crane fuel tank assembly structure of the utility model realizes the installation of the mounting frame and the crane frame through the mounting assembly, and the mounting assembly includes a supporting piece. The support member is used to bear the longitudinal tension between the mounting frame and the crane frame, and only needs to limit the lateral position between the mounting frame and the crane frame by means of bolt connection or welding. The crane fuel tank assembly structure of the utility model can reduce the number of bolts between the mounting frame and the crane frame, reduce the shear force of the bolts, and improve the connection firmness of the fuel tank and the crane frame.

Optionally, the supporting member includes a slot plate and a hook plate;

The card slot plate is an arc-shaped plate or a concave folded plate, the card slot plate is fixed on the crane frame and there is a gap between the card slot plate and the crane frame, and the card slot plate is The board is provided with a horizontal first card slot;

The hook plate is fixed on the mounting frame, the hook plate is provided with a longitudinal hook, and the hook is suitable for being clipped in the first slot.

Optionally, the card slot plate is further provided with a third bolt hole;

The hook plate is provided with a side plate, the side plate is provided with a fourth bolt hole, and the fourth bolt hole is suitable for matching with the third bolt hole and connected by bolts.

Optionally, the support member includes a slot lug plate and a clip hook plate;

The card-slot ear plate is fixed on the mounting frame, and the card-slot ear plate is provided with a horizontal second card slot;

The hook plate is fixed on the crane frame, the hook plate is provided with a longitudinal hook, and the hook is suitable for being clipped in the second slot.

Optionally, a fifth bolt hole is provided on the lug plate of the card slot;

The hook plate is provided with a side plate, the side plate is provided with a fourth bolt hole, and the fourth bolt hole is suitable for matching with the fifth bolt hole and connected by bolts.

Optionally, the mounting assembly further includes fasteners, and the fasteners are adapted to laterally limit the mounting frame and the crane frame.

Optionally, when the mounting frame is mounted on the crane frame through the mounting assembly, the support member is located above the fastener.

Optionally, the fastener includes a fixing plate and a fixing ear plate;

the fixing plate is fixed on the crane frame with a gap left between the fixing plate and the crane frame, and the fixing plate is provided with a first bolt hole;

The fixing lug plate is fixed on the mounting frame, and the fixing lug plate is provided with a second bolt hole matching the first bolt hole.

Optionally, the mounting frame includes a longitudinal fixing frame, a lateral supporting frame, a first connecting frame and a second connecting frame, and the fixing frame, the supporting frame and the first connecting frame are connected in sequence to form a tripod, two groups of The tripod is fixedly connected through the second connecting frame.

Another object of the present invention is to provide a crane, including the crane oil tank assembly structure described in any one of the above.

The beneficial effects of the crane described in the present invention relative to the prior art are the same as the beneficial effects of the above-mentioned crane oil tank assembly structure relative to the prior art, which will not be repeated here.

Description of drawings

Fig. 1 is the schematic diagram of the assembling structure of the crane oil tank according to the embodiment of the utility model;

2 is a schematic diagram of the assembly structure of the crane oil tank according to the first embodiment of the present invention;

3 is a schematic structural diagram of the supporting member according to Embodiment 1 of the present invention;

4 is a schematic diagram of the assembly structure of the crane oil tank according to Embodiment 2 of the present utility model;

5 is a schematic diagram of the assembly structure of the crane oil tank according to Embodiment 3 of the present utility model;

6 is a schematic structural diagram of the support member according to Embodiment 3 of the present invention;

7 is a schematic diagram of the assembly structure of the crane oil tank according to Embodiment 4 of the present utility model;

8 is a schematic diagram of the assembly structure of the crane oil tank according to Embodiment 5 of the present utility model;

9 is a schematic structural diagram of the supporting member according to Embodiment 5 of the present invention;

10 is a schematic diagram of the assembly structure of the crane oil tank according to Embodiment 6 of the present utility model;

FIG. 11 is a schematic structural diagram of the support member according to Embodiment 6 of the present invention.

Description of reference numbers:

100-frame body; 200-installation frame; 210-fixed frame; 220-support frame; 230-first connection frame; 240-second connection frame; 300-installation assembly; 310-supporting part; 311-card slot plate; 3111-first slot; 312-hook plate; 3121-hook; 3122-side plate; 313-slot ear plate; 3131-second slot; 320-fastener; 321-fixing plate; 322-Fixed lugs.

Detailed ways

In order to make the above objects, features and advantages of the present utility model more clearly understood, the specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms and nouns in the various embodiments, such as "upper", "lower", "front", "rear" and other words indicating orientation, are only for the purpose of simplifying the description based on the accompanying drawings. The positional relationship does not mean that the referred elements and devices must be operated according to the specific orientation and limited operations, methods, and structures in the description, and such orientation nouns do not constitute limitations to the present invention.

In addition, the terms "first" and "second" mentioned in the embodiments of the present invention are only used for the purpose of description, and should not be understood as indicating or implying relative importance or implying the indicated technical features. quantity. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature.

It should be understood that in the drawings, the forward direction of "X" represents the right side, the reverse side of "X" represents the left side, the forward direction of "Y" represents the front side, the reverse side of "Y" represents the rear side, and the reverse side of "Z" represents the rear side. The forward direction represents above, the reverse of "Z" represents below, and the orientation or positional relationship indicated by the terms "X", "Y" and "Z" is based on the orientation or positional relationship shown in the drawings of the specification, and is only for convenience The present invention is described and simplified without indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of embodiments of the present invention, the term description of "some specific embodiments" means 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 the present invention . In this specification, schematic representations of the above terms do not necessarily refer to the same implementation 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.

This embodiment provides an assembly structure of a crane fuel tank, which is shown in FIG. 1 and FIG. 2 , including an installation frame 200 and an installation assembly 300 . The installation frame 200 is suitable for fixing the oil tank, and the installation assembly 300 includes a support member 310 . The support member 310 is adapted to support the mounting frame 200 on the crane frame 100 longitudinally.

In the crane fuel tank assembly structure described in this embodiment, the installation frame 200 and the crane frame 100 are installed through the installation assembly 300 , and the installation assembly 300 includes a support member 310 . The support member 310 is used to bear the longitudinal tension between the mounting frame 200 and the crane frame 100 , and only needs to limit the lateral position between the mounting frame 200 and the crane frame 100 by bolting or welding. The crane fuel tank assembly structure in this embodiment can reduce the number of bolts between the mounting frame 200 and the crane frame 100 , reduce the shear force of the bolts, and improve the connection firmness of the fuel tank and the crane frame 100 .

It should be noted that, with reference to FIG. 1 , the longitudinal direction described in this embodiment refers to the direction parallel or approximately parallel to the Z axis in FIG. 1 . The main function of the support member 310 is to support the mounting frame 200 from falling downward, and all structures with the same function as the support member 310 described in the present invention fall into the support member of the present invention. 310; the lateral direction described in this embodiment refers to the direction parallel or approximately parallel to the XY plane in FIG. 1 (this embodiment is the direction parallel to the X axis). After the component 310 is subjected to a longitudinal force, the mounting bracket 200 will tip over under the action of the gravity of the fuel tank, so a fastening structure is required to limit the mounting bracket 200 from tipping. It should be noted that, in addition to the lateral limit by bolt connection and welding, the support member 310 can also play the role of lateral limit at the same time.

Specifically, as shown in FIG. 2 , the mounting frame 200 in this embodiment includes a vertical fixing frame 210 , a horizontal supporting frame 220 , a first connecting frame 230 and a second connecting frame 240 . The fixing frame 210 , all the The support frame 220 and the first connecting frame 230 are sequentially connected to form a tripod. There are two groups of the tripods. The two sets of the tripods are fixedly connected through the second connecting frame 240 to form a bracket similar to the seat surface and the seat back. structure. The first connecting frame 230 connects the fixing frame 210 and the supporting frame 220 to form a tripod structure, thereby improving the structural strength of the mounting frame 200 .

Specifically, on the basis of the above-mentioned crane oil tank assembly structure, the present embodiment provides the following specific implementations.

Embodiment 1

As shown in FIG. 2 and FIG. 3 , the support member 310 includes a slot plate 311 and a hook plate 312 .

The card slot plate 311 is an arc-shaped plate or a concave folded plate. As shown in FIG. 2 , the card slot plate 311 of this embodiment is arc-shaped, and the card slot plate 311 is fixed on the crane frame 100 and is There is a gap between the card slot plate 311 and the crane frame 100, and the gap is convenient for the hook 3121 of the hook plate 312 to be inserted; the card slot plate 311 is provided with a horizontal first card slot 3111, the horizontal first card slot 3111 means that the through direction of the first card slot 3111 extends along the Y-axis direction, and the hook 3121 can be inserted into the first card slot 3111 in the opposite direction of the Y-axis , and the supporting function of the mounting frame 200 is realized by the abutment of the first card slot 3111 and the hook 3121 .

Specifically, the hook plate 312 is fixed on the mounting frame 200 , preferably, welding is used between the hook plate 312 and the mounting frame 200 ; the hook plate 312 is provided with longitudinal clips The hook 3121 , the hook 3121 of this embodiment protrudes in the opposite direction of the Z-axis, and the hook 3121 is suitable for being clipped into the first slot 3111 .

Specifically, the mounting assembly 300 further includes a fastener 320 , and the fastener 320 is suitable for laterally limiting the mounting frame 200 and the crane frame 100 .

The fastener 320 includes a fixing plate 321 and a fixing ear plate 322; similar to the slot plate 311, the fixing plate 321 is also an arc-shaped plate or a concave folded plate, and the fixing plate 321 is fixed on the On the crane frame 100 and there is a gap between the fixing plate 321 and the crane frame 100, the fixing plate 321 is provided with a first bolt hole; the fixing lug 322 is fixed on the mounting frame On the fixing frame 210 of the 200, preferably, the fixing lugs 322 are arranged on both sides of the mounting frame 200 along the X-axis direction, and the fixing lugs 322 are provided with matching bolt holes. Second bolt hole.

The support member 310 in this embodiment is located above the fastener 320. When the mounting bracket 200 needs to be installed, first insert the lower hook plate 312 into the first slot 3111 along the opposite direction of the Y axis , move down a certain distance to realize the clip connection between the hook 3121 and the frame of the first slot 3111, at this time, the fixing plate 321 and the fixing ear plate 322 are attached, so that the first bolt hole and the second bolt hole On the other hand, the mounting bracket 200 is fastened by screwing in the bolts.

In the crane fuel tank assembly structure described in this embodiment, the lower support member 310 plays the role of supporting the mounting frame 200, while the upper bolt is only subjected to the tensile force in the Y-axis direction, which greatly reduces the shearing of the bolt. force. Therefore, in this embodiment, only two sets of fasteners 320 and two sets of support members 310 are used, which are respectively disposed on both sides of the mounting frame 200 , and each set of fasteners 320 only needs to be screwed with two bolts to achieve The fixing of the mounting frame 200 is simple in structure and convenient in installation.

Embodiment 2

On the basis of Embodiment 1, with reference to FIG. 4 , in this embodiment, the installation positions of the support member 310 and the fastener 320 are reversed, and the support member 310 is arranged above the fastener 320 . In the crane fuel tank assembly structure described in this embodiment, the hook 3121 can be hung in the first slot 3111 during installation. The hole is opposite to the second bolt hole, and the operator only needs to screw in the bolt, which can be operated by one person, and the installation is convenient.

Embodiment 3

As shown in FIG. 5 and FIG. 6 , the support member 310 in this embodiment includes a slot lug plate 313 and a hook plate 312 .

The hook plate 312 in this embodiment has the same shape as the hook plate 312 in the first embodiment, and the difference is that the hook 3121 in this embodiment protrudes along the positive direction of the Z-axis. In this embodiment, the hook plate 312 is fixed on the crane frame 100 . The hook plate 312 is provided with a longitudinal hook 3121 , and the hook 3121 is suitable for being clipped in the second slot. 3131.

Specifically, the card slot lug plate 313 is fixed on the mounting frame 200, and the card groove lug plate 313 is provided with a horizontal second card groove 3131; The plate 313 is a flat plate and is fixed on the side of the fixing frame 210. Since the installation frame 200 does not have any interference parts of the hook 3121 on the positive side of the Y-axis, the slot ear plate 313 can be designed as a flat plate, which is convenient for manufacture.

Similar to Embodiment 1, the fastener 320 in this embodiment includes a fixing plate 321 and a fixing ear plate 322; similar to the slot plate 311, the fixing plate 321 is also an arc-shaped plate or a concave plate. The fixing plate 321 is fixed on the crane frame 100 and there is a gap between the fixing plate 321 and the crane frame 100, and the fixing plate 321 is provided with a first bolt hole; The fixing lugs 322 are fixed on the fixing frame 210 of the mounting frame 200. Preferably, the fixing lugs 322 are arranged on both sides of the mounting frame 200 along the X-axis direction. The fixing lugs 322 A second bolt hole matching the first bolt hole is provided.

The supporting member 310 in this embodiment is located above the fastener 320. When the mounting bracket 200 needs to be installed, first move the lower second slot 3131 to the hook 3121 in the opposite direction of the Y-axis The hook 3121 is inserted into the second slot 3131 and moved downward for a certain distance to realize the clip connection between the hook 3121 and the frame of the second slot 3131. At this time, connect the fixing plate 321 to the fixing ear plate 322 is fitted so that the first bolt hole is opposite to the second bolt hole, and the mounting bracket 200 is fastened by screwing the bolts.

Embodiment 4

On the basis of Embodiment 3, and with reference to FIG. 7 , in this embodiment, the installation positions of the support member 310 and the fastener 320 are reversed, and the support member 310 is arranged above the fastener 320 . In the crane fuel tank assembly structure described in this embodiment, the hook 3121 can be hung in the second slot 3131 during installation. The hole is opposite to the second bolt hole, and the operator only needs to screw in the bolt, which can be operated by one person, and the installation is convenient.

Embodiment 5

On the basis of Embodiment 1, in this embodiment, as shown in FIG. 8 and FIG. 9 , the fastener 320 is not provided, but a third bolt hole is provided on the slot plate 311 ; the hook plate 312 A side plate 3122 is provided thereon, and a fourth bolt hole is provided on the side plate 3122, and the fourth bolt hole is suitable for matching with the third bolt hole and connected by bolts.

In this embodiment, a total of four sets of support members 310 are arranged on the mounting frame 200 in a square shape. When installing the mounting frame 200, first insert the hook 3121 into the first card slot 3111, and move the card downward. The hook 3121 makes the first card slot 3111 engage with the hook 3121. At this time, the fourth bolt hole on the side plate 3122 is opposite to the third bolt hole on the card slot plate 311. The installation of the mounting frame 200 and the crane frame 100 can be realized by inserting the bolts.

In the crane fuel tank assembly structure described in this embodiment, the support member 310 can not only play a supporting role for the mounting frame 200, but also play a limiting role of the mounting frame 200 and the crane frame 100 in the Y-axis direction. It can be produced as a single accessory to prevent the fastener 320 and the support 310 from being installed backwards.

Embodiment 6

On the basis of Embodiment 3, in this embodiment, as shown in FIG. 10 and FIG. 11 , the fastener 320 is not provided, but a fifth bolt hole is provided on the slot lug plate 313 ; 312 is provided with a side plate 3122, the side plate 3122 is provided with a fourth bolt hole, the fourth bolt hole is suitable for matching with the fifth bolt hole and connected by bolts.

In this embodiment, a total of four sets of support members 310 are arranged on the mounting frame 200 in a square shape. When the mounting frame 200 is installed, first insert the hook 3121 into the second card slot 3131 and move the card downward. The hook 3121 allows the second slot 3131 to be engaged with the hook 3121. At this time, the fourth bolt hole on the side plate 3122 is opposite to the fifth bolt hole on the slot lug plate 313. The mounting frame 200 and the crane frame 100 can be installed by screwing in the bolts.

Specifically, this embodiment further provides a crane, the crane includes the crane oil tank assembly structure described in any one of the above embodiments, and the oil tank of the crane is mounted on the crane frame 100 through the oil tank assembly structure.

Although the disclosure of the present invention is as above, the protection scope of the present disclosure is not limited to this. Those skilled in the art can make various changes and modifications without departing from the spirit and scope disclosed by the present invention, and these changes and modifications will all fall into the protection scope of the present invention.

Claims

An assembly structure for an oil tank of a crane, characterized in that it comprises an installation frame (200) and an installation assembly (300), the installation frame (200) is suitable for fixing an oil tank, and the installation assembly (300) includes a support member (310) , the supporting member (310) is suitable for longitudinally supporting the mounting frame (200) on the crane frame (100).
The crane fuel tank assembly structure according to claim 1, characterized in that, the support member (310) comprises a slot plate (311) and a hook plate (312);

The card slot plate (311) is an arc-shaped plate or a concave folded plate, the card slot plate (311) is fixed on the crane frame (100), and the card slot plate (311) is connected to the crane A gap is provided between the vehicle frames (100), and the card slot plate (311) is provided with a transverse first card slot (3111);

The hook plate (312) is fixed on the mounting frame (200), the hook plate (312) is provided with a longitudinal hook (3121), and the hook (3121) is suitable for being clipped on the mounting bracket (200). into the first card slot (3111).
The crane oil tank assembly structure according to claim 2, wherein a third bolt hole is further provided on the card slot plate (311);

The hook plate (312) is provided with a side plate (3122), the side plate (3122) is provided with a fourth bolt hole, the fourth bolt hole is suitable for matching with the third bolt hole and passing through Bolted.
The crane fuel tank assembly structure according to claim 1, characterized in that, the support member (310) comprises a slot lug plate (313) and a hook plate (312);

The card slot lug plate (313) is fixed on the mounting frame (200), and the card groove lug plate (313) is provided with a horizontal second card groove (3131);

The hook plate (312) is fixed on the crane frame (100), the hook plate (312) is provided with a longitudinal hook (3121), and the hook (3121) is suitable for being clipped on the frame (100). into the second card slot (3131).
The crane oil tank assembly structure according to claim 4, wherein a fifth bolt hole is provided on the slot lug plate (313);

The hook plate (312) is provided with a side plate (3122), the side plate (3122) is provided with a fourth bolt hole, the fourth bolt hole is suitable for matching with the fifth bolt hole and passing through Bolted.
The crane fuel tank assembly structure according to any one of claims 1-5, characterized in that, the mounting assembly (300) further comprises a fastener (320), and the fastener (320) is suitable for attaching all The mounting frame (200) and the crane frame (100) are laterally limited.
The crane oil tank assembly structure according to claim 6, characterized in that, when the mounting bracket (200) is mounted on the crane frame (100) through the mounting assembly (300), the supporting member ( 310) above the fastener (320).
The crane fuel tank assembly structure according to claim 6, wherein the fastener (320) comprises a fixing plate (321) and a fixing ear plate (322);

The fixing plate (321) is fixed on the crane frame (100) and a gap is left between the fixing plate (321) and the crane frame (100), and the fixing plate (321) is arranged on the There is a first bolt hole;

The fixing lug plate (322) is fixed on the mounting frame (200), and the fixing lug plate (322) is provided with a second bolt hole matching the first bolt hole.
The crane oil tank assembly structure according to claim 1, wherein the mounting frame (200) comprises a longitudinal fixing frame (210), a transverse supporting frame (220), a first connecting frame (230) and a second connecting frame (230) A connecting frame (240), the fixing frame (210), the supporting frame (220) and the first connecting frame (230) are connected in sequence to form a tripod, and two sets of the tripods pass through the second connecting frame (240) ) fixed connection.
A crane, characterized by comprising the crane oil tank assembly structure according to any one of claims 1-9.