CN217944870U

CN217944870U - Ceiling device and working machine

Info

Publication number: CN217944870U
Application number: CN202221651484.2U
Authority: CN
Inventors: 唐鹏
Original assignee: Hunan Sanyi Huayuan Machinery Co
Current assignee: Hunan Sanyi Huayuan Machinery Co
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-12-02
Anticipated expiration: 2032-06-28

Abstract

The utility model relates to a construction equipment technical field provides a ceiling device and operation machinery, and the ceiling device includes: the fixed frame, the rotating frame and the ceiling body; the first end of the rotating frame is rotatably connected with the top end of the fixing frame, the second end of the rotating frame is connected with the ceiling body, the rotating frame can rotate to a folding position relative to the fixing frame, and in the folding position, the ground clearance of the rotating frame is smaller than that of the fixing frame. The utility model discloses a ceiling device, ceiling body coupling in the rotating turret, the rotating turret rotates with the mount to be connected for the rotating turret can rotate together with the relative mount of ceiling body, and, the rotating turret can move to the position of drawing in, in the position of drawing in, the terrain clearance of rotating turret is less than the position of the terrain clearance of mount, when being applied to operation machinery with this novel ceiling device, be favorable to dropping the ceiling body to suitable position, obtain littleer whole height, the better operation demand and the transportation demand that satisfy some construction scenes.

Description

Ceiling device and working machine

Technical Field

The utility model relates to a construction equipment technical field especially relates to a ceiling device and operation machinery.

Background

The road roller is also called soil compactor, which is a kind of road repairing equipment. The road roller belongs to the field of road equipment in engineering machinery, is widely used for the filling compaction operation of large engineering projects such as high-grade highways, railways, airport runways, dams, stadiums and the like, and can roll sandy, semi-viscous and viscous soil, roadbed stabilized soil and asphalt concrete pavement layers. The roller is suitable for various compaction operations under the action of the gravity of the machine, so that the compacted layer is permanently deformed and compacted. The road rollers are divided into a steel wheel type and a tire type.

With the increase of the number and the variety of engineering construction projects, more requirements are put forward on the construction machine. In the construction of parks, town streets, underground garages, and the like, there are many limiting factors, for example, the height of the working machine is strictly limited. In order to avoid damage to operators in the sun, the operating machines such as road rollers, crushers, excavators and the like are all provided with ceilings, and the total height of the ceilings and the machine body usually exceeds 2.5m, so that the requirements of some field construction cannot be met. Usually, the height of the working machine is reduced by removing the ceiling to meet the height requirement of the construction site, but frequent removal of the ceiling leads to a reduction in the construction efficiency of the working machine and a large amount of work. In addition, in some transportation processes, such as container transportation and road transportation, in order to prevent the ceiling from being too high, the ceiling also needs to be detached, and the ceiling needs to be reinstalled after the transportation is finished, which wastes time and labor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to at least one of solving or improving the problems in the related art. Therefore, the utility model provides a ceiling device.

The embodiment of the utility model provides an operation machinery is still provided.

According to the utility model discloses a ceiling device that the embodiment of first aspect provided, include:

the fixed frame, the rotating frame and the ceiling body;

the first end of the rotating frame is rotatably connected with the top end of the fixing frame, the second end of the rotating frame is connected with the ceiling body, the rotating frame can rotate to a folding position relative to the fixing frame, and in the folding position, the ground clearance of the rotating frame is smaller than that of the fixing frame.

According to the utility model discloses an embodiment, the first end of rotating turret with the junction on the top of mount is equipped with first rotation axis and first locating part, the first end of rotating turret passes through first rotation axis with the top of mount is rotated and is connected, first locating part includes locking state and unblock state the locking state of first locating part, the first end of rotating turret is fixed in the top of mount the unblock state of first locating part, the first end of rotating turret can for the top of mount is rotated.

According to the utility model discloses an embodiment, the top of mount is equipped with the supporting component, the supporting component have with the first end complex inclined support face of rotating turret, the first end of rotating turret passes through first rotation axis with the supporting component rotates to be connected, first locating part activity is located just be located on the supporting component the oblique top of first rotation axis, be equipped with on the rotating turret with first locating part complex first spacing hole the locking state of first locating part, first locating part screw in first spacing hole the unblock state of first locating part, first locating part back-out first spacing hole.

According to the utility model discloses an embodiment, be equipped with the support groove on the supporting component, the diapire and the lateral wall that support the groove constitute the inclined support face, first locating part runs through the lateral wall setting of supporting the groove.

According to an embodiment of the present invention, the ceiling body has an overhanging part, the ceiling body is rotatably connected to the second end of the turret through the overhanging part.

According to the utility model discloses an embodiment, overhanging part with the junction of the second end of rotating turret is equipped with second rotation axis and second locating part, the second end of rotating turret passes through the second rotation axis with overhanging part rotates to be connected, the second locating part includes locking state and unblock state the locking state of second locating part, overhanging part is fixed in the second end of rotating turret the unblock state of second locating part, overhanging part can for the second end of rotating turret rotates.

The ceiling device of the utility model comprises a fixed frame, a rotating frame and a ceiling body; ceiling body coupling is in the rotating turret, and the rotating turret rotates with the mount to be connected for the rotating turret can rotate together with ceiling body relative mount, and, the rotating turret can move extremely the terrain clearance of rotating turret is less than the position of the terrain clearance of mount, thereby will the utility model discloses a when the ceiling device is applied to operation machinery, be favorable to falling the ceiling body to suitable position, obtain littleer overall height, better operation demand and the transportation demand that satisfies some construction scenes.

According to the utility model discloses the operation machinery that the embodiment of second aspect provided, including the fuselage and according to the utility model discloses the ceiling device that the embodiment of first aspect provided, the bottom of mount is connected to the fuselage.

According to the utility model discloses an embodiment, the bottom of mount is connected to the afterbody of roof along length direction of fuselage, be equipped with the bolster on the back wall of fuselage draw in the position in, the rotating turret touching the bolster.

According to an embodiment of the invention, the buffer member is a rubber member or a spring member.

According to the utility model discloses an embodiment the rotating turret touching during the bolster, the ceiling body with the connection can be dismantled to the fuselage.

Since the working machine is provided with the ceiling device, the working machine has all the technical effects of the ceiling device, and the details are not described herein.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly described below, it is obvious that the drawings in the following description are only 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 a side view one of a ceiling apparatus of an embodiment of the present invention in a deployed position;

fig. 2 is a second side view of the canopy device of an embodiment of the present invention in a deployed position;

fig. 3 is a side view of a ceiling arrangement of an embodiment of the present invention in a folded position;

fig. 4 is a schematic view of a working machine according to an embodiment of the present invention.

Reference numerals:

10. a fixed mount; 20. a rotating frame; 30. a ceiling body;

40. a first rotating shaft; 50. a first limit piece; 60. a support member;

70. an overhanging part; 80. a second rotation shaft; 90. a second limiting member;

100. a body; 110. a buffer.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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 embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like 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 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. In addition, in the case where there is no contradiction, those skilled in the art will appreciate that various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined.

Referring to fig. 1 to 4, the ceiling device includes a fixed frame 10, a rotating frame 20, and a ceiling body 30; the first end of the rotating rack 20 is rotatably connected with the top end of the fixed rack 10, the second end of the rotating rack 20 is connected with the ceiling body 30, the rotating rack 20 can rotate to a folded position relative to the fixed rack 10, and in the folded position, the ground clearance of the rotating rack 20 is smaller than the ground clearance of the fixed rack 10. Wherein the closed position corresponds to the folded position of the ceiling device.

It is understood that the fixing frame 10 is formed with a bottom end and a top end, and for example, when the ceiling device is applied to a working machine, the bottom end of the fixing frame 10 is suitable for being connected to a machine body 100 of the working machine, and the bottom end of the fixing frame 10 is provided with a mounting assembly fixed to the machine body 100, where the mounting assembly includes a bolt, a nut, a positioning member, and/or the like, and can stably fix the fixing frame 10 to a top wall or a side wall of the machine body 100. The fastening frame 10 needs to have a certain strength and rigidity and a good deformation resistance under an external load. The size and shape of the fixing frame 10 can be designed according to the needs, and is not limited herein.

The ceiling device may be disposed at a middle portion of the top wall of the machine body 100 of the work machine in the longitudinal direction, or may be disposed at a rear portion of the top wall of the machine body 100 of the work machine in the longitudinal direction. When the ceiling device is disposed at the middle of the top wall of the machine body 100 of the working machine in the length direction, since the height from the ground of the rotating frame 20 is smaller than the height from the ground of the fixed frame 10 in the folded state of the ceiling device, so that the height from the ground of the second end of the rotating frame 20 is smaller than the height from the ground of the bottom end of the fixed frame 10, it is necessary to open a groove or use an original recess on the top wall of the machine body 100 of the working machine to accommodate the second end of the rotating frame 20. When the ceiling device is disposed at the rear portion of the top wall of the machine body 100 of the working machine in the length direction, the space behind the machine body 100 can be directly utilized to accommodate the second end of the rotating frame 20 without the need of forming a groove in the machine body 100, and the change of the existing structure is small.

The rotating frame 20 is provided with a first end and a second end which are opposite to each other, the first end is hinged to the top end of the fixed frame 10, the second end is connected to the ceiling body 30, the ceiling body 30 extends towards the lateral direction of the rotating frame 20, the center of gravity of the whole ceiling body 30 is located on one side of the rotating frame 20, and a shielding area can be formed on the top of the head of an operator. The rotating frame 20 can rotate relative to the fixed frame 10 through the hinge structure between the first end of the rotating frame 20 and the top end of the fixed frame 10, and then the ceiling body 30 is driven to be far away from or close to the fixed frame 10. When the ceiling body 30 is far away from the fixed frame 10, the rotating frame 20 swings to the upper side of the fixed frame 10, the ceiling body 30 located at the second end overhangs the head of an operator, the operator can shield sunlight or rainwater, and the height of the ceiling device is the sum of the vertical heights of the fixed frame 10 and the rotating frame 20.

When the ceiling body 30 is close to the fixed frame 10, the rotating frame 20 is located on one side of the fixed frame 10, and at this time, the overall height of the ceiling device is reduced, so that the use of the working machine in a height-limited area is not affected, and the application range is wide.

In a construction area with a limited height, the ceiling body 30 is rotated to one side of the fixing frame 10, so that the height of the ceiling device is reduced, and the operation machinery can be smoothly constructed. When the height of the ceiling device is adjusted, the ceiling device does not need to be detached along the machine body 100, so that the construction efficiency is improved, and the application range is wide. Meanwhile, in some transportation processes, the rotating frame 20 drives the ceiling body 30 to rotate to one side of the fixed frame 10, so that the overall height of the operation machine can be reduced, and transportation such as container transportation is facilitated.

The ceiling body 30 is connected to the second end of the rotating frame 20 and extends in the lateral direction of the rotating frame 20. When the ceiling body 30 is far away from the fixing frame 10, the ceiling body 30 is horizontally arranged or obliquely arranged, so that the sunlight or rainwater can be shielded for the operator on the premise of not influencing the visual field of the operator.

In some embodiments, the number of the fixed frames 10 and the rotating frames 20 is multiple, the plurality of fixed frames 10 are arranged in parallel, and the plurality of rotating frames 20 are arranged in one-to-one correspondence with the plurality of fixed frames 10. Referring to fig. 1 to 4, the number of the fixed frames 10 and the rotating frames 20 is two, the two fixed frames 10 are respectively disposed on the left and right sides of the ceiling body 30, and the two rotating frames 20 and the two fixed frames 10 are disposed in a one-to-one correspondence manner.

It can be understood that when a plurality of fixing frames 10 are arranged in parallel, the top ends of the plurality of fixing frames 10 can be located at the same height, the rotating frame 20 is hinged at the top end of each fixing frame 10, and the plurality of rotating frames 20 can swing synchronously. The ceiling body 30 is connected to the plurality of the turntables 20, and stability is high.

It should be noted that the plurality of fixing frames 10 may be an integral structure, and the plurality of rotating frames 20 may also be an integral structure, which may increase the structural strength of the ceiling device.

As can be seen from the above, the ceiling device of the present invention includes a fixed frame 10, a rotating frame 20 and a ceiling body 30; ceiling body 30 is connected in rotating turret 20, and rotating turret 20 rotates with mount 10 to be connected for rotating turret 20 can rotate together with the relative mount 10 of ceiling body 30, and, rotating turret 20 can move to the position of drawing in, and in the position of drawing in, the terrain clearance of rotating turret 20 is less than the terrain clearance of mount 10, thereby will the utility model discloses a when the ceiling device is applied to operation machinery, make the ceiling body more nimble in the arranging of direction of height, give more selection degrees of freedom, be favorable to descending ceiling body 30 to suitable position, obtain littleer overall height, better operation demand and the transportation demand that satisfies some construction scenes.

In some embodiments, a first rotating shaft 40 and a first limiting member 50 are disposed at a connection point between the first end of the rotating frame 20 and the top end of the fixed frame 10, the first end of the rotating frame 20 is rotatably connected to the top end of the fixed frame 10 through the first rotating shaft 40, the first limiting member 50 includes a locking state and an unlocking state, in the locking state of the first limiting member 50, the first end of the rotating frame 20 is fixed to the top end of the fixed frame 10, and in the unlocking state of the first limiting member 50, the first end of the rotating frame 20 is capable of rotating relative to the top end of the fixed frame 10.

In order to stably support the rotating frame 20, preferably, the top end of the fixing frame 10 is provided with a supporting member 60, the supporting member 60 has an inclined supporting surface engaged with the first end of the rotating frame 20, the first end of the rotating frame 20 is rotatably connected to the supporting member 60 through the first rotating shaft 40, the first limiting member 50 is movably disposed on the supporting member 60 and located obliquely above the first rotating shaft 40, the rotating frame 20 is provided with a first limiting hole engaged with the first limiting member 50, in a locking state of the first limiting member 50, the first limiting member 50 is screwed into the first limiting hole, and in an unlocking state of the first limiting member 50, the first limiting member 50 is screwed out of the first limiting hole. More preferably, the supporting member 60 is provided with a supporting groove, a bottom wall and a side wall of the supporting groove form an inclined supporting surface, the first limiting member 50 is disposed through the side wall of the supporting groove, so that an operator can manually operate the first limiting member 50, and further, an operating handle may be disposed at one end of the first limiting member 50. Wherein, support the groove and do not have the roof, the diapire be used for with the terminal surface cooperation of the first end of rotating turret 20, the lateral wall be used for with the side surface cooperation of the first end of rotating turret 20, the lateral wall can be with the side surface complex annular face of the first end of rotating turret 20, through the cooperation of diapire and lateral wall, support and spacing rotating turret 20 that can be better, increased the stability of ceiling body 30 under the dead weight effect, avoid appearing the condition of reverse upset. The first position-limiting member 50 penetrates through the supporting member 60 and extends out from the side wall of the supporting groove to be screwed into or out of the first position-limiting hole to realize switching between the locking state and the unlocking state. Specifically, optionally, the first limiting member 50 is a limiting screw, and the first limiting hole is a threaded hole. The top end of the fixed frame 10 and the first end of the rotating frame 20 are respectively provided with a rotating shaft hole for penetrating the first rotating shaft 40, so that the top end of the fixed frame 10 is rotatably connected with the first end of the rotating frame 20.

In some embodiments, the ceiling body 30 has the protruding component 70, and the ceiling body 30 is rotatably connected to the second end of the rotating frame 20 through the protruding component 70, by the above structure, the rotating frame 20 can be turned over relative to the fixing frame 10, and the ceiling body 30 can be turned over relative to the rotating frame 20, so that when the ceiling device is folded, the fixing frame 10, the rotating frame 20 and the ceiling body 30 can be placed in parallel or substantially in parallel, which is not only beneficial to reducing the height of the whole vehicle, but also can reduce the size of the ceiling device along the horizontal direction.

Specifically, optionally, a second rotating shaft 80 and a second limiting member 90 are disposed at a connection position of the overhanging unit 70 and the second end of the turret 20, the second end of the turret 20 is rotatably connected to the overhanging unit 70 through the second rotating shaft 80, the second limiting member 90 includes a locking state and an unlocking state, in the locking state of the second limiting member 90, the overhanging unit 70 is fixed to the second end of the turret 20, and in the unlocking state of the second limiting member 90, the overhanging unit 70 can rotate relative to the second end of the turret 20. In some embodiments, the protruding member 70 and the second end of the turret 20 are provided with a rotation hole for the second rotation shaft 80, respectively. One of the overhanging part 70 and the second end of the rotating frame 20 is provided with a second limiting hole, and the other is movably provided with a second limiting member 90, and when the second limiting member 90 is a limiting screw rod, the second limiting hole is a threaded hole, and the second limiting member 90 is screwed into and out of the second limiting hole, so that the second limiting member 90 is switched between a locking state and an unlocking state, although the second limiting member 90 and the second limiting hole may also adopt a combination form of a pin shaft and a pin hole.

According to the utility model provides a second aspect embodiment provides a work machine, including fuselage 100 and according to the utility model discloses the ceiling device that the embodiment of first aspect provided, the bottom of the mount 10 of ceiling device is connected to fuselage 100. The work machine may be a road roller or other work machine with similar requirements.

Preferably, the bottom end of the fixed frame 10 is connected to the rear end of the top wall of the body 100 in the length direction, a buffer member 110 is provided on the rear wall of the body 100, and in the closed position, the rotating frame 20 touches the buffer member 110. The buffer member 110 may be a rubber member, a spring member, or other members with a buffering function. The buffer 110 is arranged, so that the roll-over stand can be contacted with the buffer 110 for limitation when being turned over, and rigid collision between the roll-over stand and the machine body 100 is avoided.

More preferably, the ceiling body 30 is detachably coupled to the body 100 when the rotating frame 20 touches the buffer 110. Specifically, optionally, the ceiling device further includes a third limiting member, and when the rotating frame 20 touches the buffer member 110, the ceiling body 30 is detachably connected to the machine body 100 through the third limiting member, so as to prevent the ceiling device from shaking due to some reasons. When the second rotating shaft 80 and the second position limiting member 90 are disposed at the connection position of the external extending member 70 and the second end of the rotating frame 20, the second position limiting member 90 and the third position limiting member may be the same member, the second position limiting member 90 is disposed on the external extending member 70, the second position limiting hole is disposed at the second end of the rotating frame 20, the machine body 100 is provided with a third position limiting hole, the second position limiting member 90 is a position limiting screw, both the second position limiting hole and the third position limiting hole are threaded holes, when the second position limiting member 90 is inserted into the third position limiting hole, the detachable connection between the ceiling body 30 and the machine body 100 is realized, and when the second position limiting member 90 is separated from the third position limiting hole, the ceiling body 30 is disconnected from the machine body 100. It can be understood that, when the second limiting member 90 is released, the ceiling body 30 can rotate relative to the rotating frame 20, the ceiling body 30 can be folded, the ceiling body 30 approaches the rotating frame 20, the occupied volume is small, and the length of the machine body 100 is shortened, after the ceiling body 30 is folded, the second limiting member 90 can be locked again, the ceiling body 30 and the machine body 100 can be detachably connected, and the stable state of the folded ceiling body 30 is maintained. When the ceiling body 30 is far away from the fixed frame 10, the second limiting member 90 is locked, the ceiling body 30 and the second end of the rotating frame 20 are locked relatively, the ceiling body 30 cannot rotate automatically under the action of vibration or wind power, and a stable overhanging state can be maintained.

First, under construction conditions where the height is limited, when the ceiling body 30 is rotated from being far from the fixed frame 10 to being close to the fixed frame 10, the height of the ceiling device is reduced, and the work machine can smoothly perform construction. When the height of the ceiling device is adjusted, the ceiling device does not need to be detached along the machine body 100, so that the construction efficiency is improved, and the application range is wide.

Secondly, the ceiling body 30 can rotate along the rotating rack 20 and can be folded towards the position of the rotating rack 20, so that the overall length of the operation machine is shortened, and the construction operation is facilitated.

In summary, according to the ceiling device and the working machine provided by the embodiment of the present invention, the ceiling device includes the fixing frame 10, the rotating frame 20, and the ceiling body 30; ceiling body 30 is connected in rotating turret 20, and rotating turret 20 rotates with mount 10 to be connected for rotating turret 20 can rotate together with the relative mount 10 of ceiling body 30, and, rotating turret 20 can move to the position of drawing in, and in the position of drawing in, the terrain clearance of rotating turret 20 is less than the position of the terrain clearance of mount 10, thereby will the utility model discloses a when the ceiling device is applied to operation machinery, be favorable to descending ceiling body 30 to suitable position, obtain littleer overall height, better operation demand and the transportation demand that satisfies some construction scenes.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The working machine comprises a machine body (100) and is characterized by further comprising a ceiling device, wherein the ceiling device comprises a fixed frame (10), a rotating frame (20) and a ceiling body (30); the first end of the rotating frame (20) is rotatably connected with the top end of the fixed frame (10), the second end of the rotating frame (20) is connected with the ceiling body (30), the rotating frame (20) can rotate relative to the fixed frame (10) to a folded position, in the folded position, the ground clearance of the rotating frame (20) is smaller than that of the fixed frame (10), and the bottom end of the fixed frame (10) is connected to the machine body (100);

the bottom end of the fixing frame (10) is connected to the tail portion of the top wall of the machine body (100) along the length direction, a buffer piece (110) is arranged on the rear wall of the machine body (100), and the rotating frame (20) touches the buffer piece (110) at the furling position.

2. The working machine according to claim 1, wherein a first rotating shaft (40) and a first limiting member (50) are provided at a connection point between the first end of the rotating frame (20) and the top end of the fixed frame (10), the first end of the rotating frame (20) is rotatably connected to the top end of the fixed frame (10) through the first rotating shaft (40), the first limiting member (50) comprises a locked state and an unlocked state, the first end of the rotating frame (20) is fixed to the top end of the fixed frame (10) in the locked state of the first limiting member (50), and the first end of the rotating frame (20) is rotatable relative to the top end of the fixed frame (10) in the unlocked state of the first limiting member (50).

3. The working machine according to claim 2, wherein a supporting member (60) is disposed at a top end of the fixed frame (10), the supporting member (60) has an inclined supporting surface engaged with a first end of the rotating frame (20), the first end of the rotating frame (20) is rotatably connected to the supporting member (60) through the first rotating shaft (40), the first limiting member (50) is movably disposed on the supporting member (60) and located obliquely above the first rotating shaft (40), a first limiting hole engaged with the first limiting member (50) is disposed on the rotating frame (20), the first limiting member (50) is screwed into the first limiting hole in a locked state of the first limiting member (50), and the first limiting member (50) is screwed out of the first limiting hole in an unlocked state of the first limiting member (50).

4. A working machine according to claim 3, characterized in that the support member (60) is provided with a support groove, the bottom wall and the side wall of which constitute the inclined support surface, and the first retaining element (50) is arranged through the side wall of the support groove.

5. The work machine according to any one of claims 1-4, wherein the roof body (30) has an overhang (70), and the roof body (30) is pivotally connected to the second end of the turret (20) by means of the overhang (70).

6. The working machine according to claim 5, wherein a second rotation axis (80) and a second limiting member (90) are provided at a connection point of the overhanging part (70) and the second end of the turret (20), the second end of the turret (20) is rotatably connected with the overhanging part (70) through the second rotation axis (80), the second limiting member (90) comprises a locked state and an unlocked state, the overhanging part (70) is fixed to the second end of the turret (20) in the locked state of the second limiting member (90), and the overhanging part (70) is rotatable relative to the second end of the turret (20) in the unlocked state of the second limiting member (90).

7. A working machine according to any of claims 1-4, characterized in that the damping element (110) is a rubber element or a spring element.

8. The working machine according to any one of claims 1 to 4, wherein the ceiling body (30) is detachably connected to the machine body (100) when the rotating frame (20) touches the buffer member (110).