CN112758828B - Crane cab protection device and crane - Google Patents
Crane cab protection device and crane Download PDFInfo
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- CN112758828B CN112758828B CN202110087713.6A CN202110087713A CN112758828B CN 112758828 B CN112758828 B CN 112758828B CN 202110087713 A CN202110087713 A CN 202110087713A CN 112758828 B CN112758828 B CN 112758828B
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- crane
- crane cab
- cab
- wire rope
- steel wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/52—Details of compartments for driving engines or motors or of operator's stands or cabins
- B66C13/54—Operator's stands or cabins
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a crane cab protection device and a crane, wherein the crane cab protection device is suitable for being arranged at the top of a crane cab, a crane boom and a steel wire rope are arranged above the top of the crane cab, the crane cab protection device comprises a separation frame for preventing the steel wire rope from contacting the top of the crane cab, and when the crane boom is retracted, the steel wire rope falls into the separation frame under the action of self gravity. According to the invention, the isolation frame is arranged at the top of the crane cab below the crane boom, so that after the crane boom is retracted, the steel wire rope connected to the crane boom naturally falls into and is placed on the isolation frame under the action of self gravity, and the structure can prevent the steel wire rope above the crane cab from rubbing the top of the crane cab, and can be naturally placed in the isolation frame under the condition that the crane is retracted without manual position adjustment after the crane is retracted, thereby greatly improving the working efficiency and effectively reducing the total height of the crane.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a crane cab protection device and a crane.
Background
The crane cab is a key part of a crane, and is a place for operating, controlling and leisure of a whole car by a driver and also plays a role in protecting the driver and the passenger in the running and lifting processes. During the running process of the crane, the crane arm is in a retracted state and is prone to lie over the cab, and a steel wire rope is arranged between the crane arm and the cab. In order to keep the overall height as low as possible, the distance of the boom from the cab will generally be small, thus making the wire rope a small distance from the cab roof.
In order to prevent the wire rope from rubbing the top of the cab, it is generally required to add a bracket welded on the large arm of the crane arm or assembled to the boom bracket, but the following disadvantages mainly exist due to the limitation of the spatial structure and the like: because the crane cab is longer, the steel wire rope cannot be completely prevented from rubbing the top of the cab by only one bracket; after the crane finishes the operation and the crane boom is retracted, the steel wire rope needs to be manually moved to the position above the bracket, so that the operation is long in time consumption and low in operation efficiency.
Disclosure of Invention
The invention solves the problem that a steel wire rope of a crane is easy to scratch and rub the top of a cab.
In order to solve at least one aspect of the above problems, the present invention firstly provides a crane cab protection device, which is suitable for being mounted on the top of a crane cab, wherein a crane boom and a wire rope mounted on the crane boom are mounted above the top of the crane cab, the crane cab protection device comprises a separation frame for preventing the wire rope from contacting the top of the crane cab, and when the crane boom is retracted, the wire rope falls into the separation frame under the action of self gravity.
Compared with the prior art, the crane cab protection device is characterized in that the isolation frame is arranged at the top of the crane cab below the crane boom, so that after the crane boom is retracted, the steel wire rope connected to the crane boom naturally falls into and is placed on the isolation frame under the action of self gravity, the structure can prevent the steel wire rope above the crane cab from rubbing the top of the crane cab, and the steel wire rope can be naturally placed in the isolation frame under the condition that the position does not need to be manually adjusted after the crane is retracted after the crane is operated to retract the crane boom, thereby greatly improving the working efficiency and effectively reducing the total height of the crane.
Optionally, the isolation frame includes two vertical supports that the interval set up and the horizontal support that many intervals set up, the both ends of horizontal support respectively with two vertical support is connected, when the jib loading boom is packed up, wire rope falls on the horizontal support.
Compared with the prior art, the crane cab protecting device has the advantages that the plurality of transverse supports arranged at intervals are utilized to support the steel wire ropes falling onto the isolation frame, and the two longitudinal supports are utilized to fix the transverse supports on the top of the crane cab, so that the structure is simple and reliable, and the transformation is convenient.
Optionally, the transverse bracket comprises a hollow rope supporting roller, a pin shaft penetrating through the rope supporting roller and a bearing sleeved outside the pin shaft, the rope supporting roller is sleeved outside the bearing, and the pin shaft is connected with the longitudinal bracket.
Compared with the prior art, the crane cab protection device has the advantages that the rope supporting roller capable of freely rolling is arranged on the transverse support, so that abrasion of the steel wire rope when the steel wire rope falls on the isolation frame can be reduced, and the steel wire rope is prevented from rubbing the top of the crane cab completely.
Optionally, baffles are arranged on the left side and the right side of the front end and the rear end of the isolation frame.
Compared with the prior art, the protection device for the crane cab has the advantages that the baffles are arranged on the left side and the right side of the isolation frame, so that the steel wire rope can be effectively prevented from sliding to the top of the crane cab, the steel wire rope can be always kept in the isolation frame in the transportation process of the crane, the steel wire rope can be completely prevented from rubbing the top of the crane cab, and the situation that the top of the crane cab is rubbed by the steel wire rope is ensured.
Optionally, the baffle is provided with a connecting plate, and the isolation frame is detachably connected with the top of the cab of the crane through the connecting plate.
Compared with the prior art, the crane cab protection device has the advantages that the connecting plate is additionally arranged on the baffle plate and is detachably connected with the top of the crane cab, so that the replacement operation is convenient when the isolation frame is seriously worn.
Optionally, the connecting plate is provided with a second mounting hole, a second bolt penetrating through the second mounting hole is welded at the top of the crane cab, and the connecting part is locked at the top of the crane cab by matching the second bolt with a nut.
Compared with the prior art, the crane cab protection device has the advantages that the second bolt is designed to be directly welded on the top of the crane cab, so that the connection between the isolation frame and the top of the crane cab is firmer and more reliable, the isolation frame is not easy to loosen, and the safety and the service life are improved.
In addition, the invention provides a crane comprising a crane cab guard as described above.
Compared with the prior art, the crane and the crane cab protection device have the same advantages as those of the prior art, and are not repeated here.
Optionally, a groove is formed in the top of the cab of the crane in the front-rear direction, and the isolation frame is installed in the groove.
Compared with the prior art, the crane provided by the invention has the advantages that the groove for installing the isolation frame is formed in the top of the crane cab, so that the crane arm can integrally move downwards to the top of the crane cab for a certain distance when being retracted, and the total height of the crane is further effectively reduced.
Optionally, the highest point of the isolation rack in the vertical direction does not exceed the top surface of the crane cab roof.
Compared with the prior art, the crane disclosed by the invention has the advantages that the highest point of the isolation frame is designed to be lower than the top surface of the top of the crane cab, so that the crane arm can integrally move downwards towards the top of the crane cab when being retracted, and the total height of the crane is lower.
Optionally, an anti-scratch piece is arranged on the upper surface of the groove.
Compared with the prior art, the anti-scratch piece is additionally arranged on the upper surface of the groove, so that the top of the cab of the crane is prevented from being worn when the steel wire rope directly falls into the groove, and the integrity of the top of the cab of the crane is further ensured.
Drawings
FIG. 1 is a partial block diagram of a crane according to an embodiment of the invention;
FIG. 2 is a block diagram of a crane cab guard according to an embodiment of the invention;
fig. 3 is an enlarged view of a portion a in fig. 2;
FIG. 4 is an exploded view of a crane cab guard according to an embodiment of the invention;
fig. 5 is an enlarged view of a portion B in fig. 4.
Reference numerals illustrate:
the crane comprises a crane cab top, 11-grooves, 2-lifting arms, 3-steel wire ropes, 4-isolation frames, 41-longitudinal frames, 42-transverse frames, 421-rope supporting rollers, 422-pin shafts, 423-bearings, 5-baffle plates, 51-connecting plates, 52-second mounting holes, 53-second bolts, 54-nuts, 55-first bolts, 56-first mounting holes and 57-third mounting holes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "a" and "an" or "the" and similar referents used in the specification and claims of the present application are not to be construed to limit the number of equivalents, but rather to mean that there is at least one. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front", "rear", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. In the drawings of the embodiments of the present invention, a coordinate system XYZ is provided in which the forward direction of the X axis represents the left direction, the reverse direction of the X axis represents the right direction, the forward direction of the Y axis represents the front direction, the reverse direction of the Y axis represents the rear direction, the forward direction of the Z axis represents the upper direction, and the reverse direction of the Z axis represents the lower direction.
Furthermore, in the description of the present invention, it should be noted that the terms "first," "second," and the like, as referred to in embodiments of the present invention, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
The embodiment of the invention provides a crane cab protection device, which is suitable for being arranged on the top 1 of a crane cab, wherein a crane boom 2 and a steel wire rope 3 arranged on the crane boom 2 are arranged above the top 1 of the crane cab, the crane cab protection device comprises an isolation frame 4 for preventing the steel wire rope 3 from contacting the top 1 of the crane cab, and when the crane boom 2 is retracted, the steel wire rope 3 falls into the isolation frame 4 under the action of self gravity.
Wherein, the crane cab roof 1 is a square surface with a certain area, and the length of the crane cab roof 1 in the left-right direction is generally larger than that of the crane cab roof 1 in the front-back direction; the crane boom 2 spans above the crane cab top 1 in the front-rear direction when being retracted, the laying direction of the steel wire rope 3 is consistent with the crane boom 2, the front end of the steel wire rope 3 is connected to the bottom of the front end of the crane boom 2, namely, the steel wire rope 3 spans above the crane cab top 1 in the front-rear direction when the crane boom 2 is retracted; the crane arm 2 is generally adjusted to the upper part of the middle position of the crane cab roof 1 when being retracted, and when the steel wire rope 3 falls down under the action of self gravity, the steel wire rope 3 also falls into the middle position of the crane cab roof 1, so that the isolation frame 4 is arranged at the middle position of the crane cab roof 1, and the length of the isolation frame 4 in the front-rear direction is not less than the length of the crane cab roof 1 in the front-rear direction, thereby ensuring that the part of the steel wire rope 3 falling onto the crane cab roof 1 can be completely supported by the isolation frame 4, and further avoiding the steel wire rope 3 from rubbing the crane cab roof 1.
The isolation frame 4 has a certain thickness in the up-down direction so as to ensure that the isolation frame 4 can support the steel wire rope 3 when the steel wire rope 3 falls to the top 1 of the crane cab, so as to prevent the steel wire rope 3 from contacting the top 1 of the crane cab; the spacer 4 is preferably made of a wear resistant material to ensure the service life of the crane cab guard. When the crane boom 2 is retracted, the crane boom approaches the crane cab roof 1, but does not contact the crane cab roof 1, so that the weight of the crane boom 2 is prevented from acting on the crane cab roof 1, and the crane cab roof 1 is further prevented from being deformed under stress; the steel wire rope 3 can completely and naturally fall onto the isolation frame 4, so that the total height of the crane is effectively reduced.
The crane cab protection device in the embodiment is characterized in that the isolation frame 4 is arranged at the crane cab top 1 below the crane boom 2, so that after the crane boom 2 is retracted, the steel wire rope 3 connected to the crane boom 2 naturally falls into and is placed on the isolation frame 4 under the action of self gravity, the structure can prevent the steel wire rope 3 above the crane cab from rubbing the crane cab top 1, and the steel wire rope 3 can be naturally placed in the isolation frame 4 under the condition that the position does not need to be manually adjusted after the crane is retracted after the crane is operated to retract the crane boom 2, thereby greatly improving the working efficiency and effectively reducing the total height of the crane.
Alternatively, as shown in fig. 1 and 2, the isolation frame 4 includes two longitudinal supports 41 disposed at intervals and a plurality of transverse supports 42 disposed at intervals, two ends of each transverse support 42 are respectively connected to two longitudinal supports 41, and when the boom 2 is retracted, the wire rope 3 falls onto the transverse supports 42.
Wherein, the longitudinal direction is the direction consistent with the front-back direction, the transverse direction is the direction consistent with the left-right direction, the two longitudinal brackets 41 are arranged at intervals in the transverse direction, and the plurality of transverse brackets 42 are uniformly arranged between the two longitudinal brackets 41 at intervals in the longitudinal direction, so that the isolation frame 4 can symmetrically support the steel wire rope 3; the transverse bracket is used for supporting and releasing the steel wire rope; the transverse bracket 42 is made of wear-resistant materials; the width of the space occupied by the wire rope 3 in the transverse direction is smaller than the transverse length of the transverse bracket 42 to ensure that the wire rope 3 can fall completely onto the spacer 4.
According to the crane cab protection device in the embodiment, the steel wire ropes 3 falling onto the isolation frame 4 are supported by the plurality of transverse supports 42 arranged at intervals, and the transverse supports 42 are fixed on the crane cab top 1 by the two longitudinal supports 41, so that the structure is simple and reliable, and the transformation is convenient.
Alternatively, as shown in fig. 4 and 5, the transverse bracket 42 includes a hollow rope supporting roller 421, a pin shaft 422 penetrating through the rope supporting roller 421, and a bearing 423 sleeved outside the pin shaft 422, where the rope supporting roller 421 is sleeved outside the bearing 423, and the pin shaft 422 is connected with the longitudinal bracket 41.
Each transverse bracket 42 is provided with two bearings 423, and the two bearings 423 are arranged at the left end and the right end of the pin shaft 422; the pin shaft 422 is fixedly connected with the longitudinal bracket 41 through a screw, and the bearing 423 is sleeved outside the pin shaft 422 and can rotate freely; the rope supporting roller 421 is of a hollow structure and is made of wear-resistant materials, the two bearings 423 are respectively arranged on the inner sides of the left end and the right end of the rope supporting roller 421, the rope supporting roller 421 can roll freely relative to the pin shaft 422, when the crane boom 2 is retracted, the steel wire rope 3 falls onto the rope supporting roller 421, and the rope supporting roller 421 is arranged, so that rolling friction is generated between the two when the steel wire rope 3 moves relative to the rope supporting roller 421, and friction loss of the steel wire rope 3 can be reduced.
According to the crane cab protection device in the embodiment, the rope supporting roller 321 capable of freely rolling is arranged on the transverse support 42, so that abrasion of the steel wire rope 4 when the steel wire rope 4 falls onto the isolation frame 4 can be reduced, and the steel wire rope 4 can be completely prevented from rubbing the top 1 of the crane cab.
Optionally, as shown in fig. 2, 3, 4 and 5, the left and right sides of the front and rear ends of the isolation frame 4 are provided with baffles 5.
The baffle 5 is provided with a first mounting hole 56, the isolation frame 4 is provided with a third mounting hole 57 corresponding to the first mounting hole 56, the baffle 5 penetrates through the first mounting hole 56 and the third mounting hole 57 through a first bolt 55 and is in threaded connection with a pin shaft 422 of a transverse support 42 of the isolation frame 4, a gasket is arranged between the first bolt 55 and the longitudinal support 41, and a gasket is also arranged between the pin shaft 422 and the baffle 5 so as to ensure that the baffle 5 can be firmly connected to the isolation frame 4.
According to the crane cab protection device in the embodiment, the baffle plates 5 are arranged on the left side and the right side of the isolation frame 4, so that the steel wire ropes 3 can be effectively prevented from sliding to the crane cab top 1, the steel wire ropes 3 can be always kept in the isolation frame 4 in the crane transportation process, the steel wire ropes 3 can be completely prevented from rubbing the crane cab top 1, and the crane cab top 1 is ensured not to be rubbed by the steel wire ropes 3.
Alternatively, as shown in connection with fig. 2 and 3, the barrier 5 is provided with a connection plate 51, and the spacer 4 is detachably connected to the crane cab roof 1 via the connection plate 51.
The baffle 5 is in an L-shaped structure, the connecting plate 51 is one plate body of the L-shaped structure, the other plate body of the L-shaped structure is fixedly connected with the isolation frame 4, and the connecting plate 51 is connected with the top 1 of the crane cab so as to fix the isolation frame 4 on the top 1 of the crane cab.
In the crane cab protection device in the embodiment, the connecting plate 51 is additionally arranged on the baffle plate 5, and the connecting plate 51 is detachably connected with the top 1 of the crane cab, so that the replacement operation can be conveniently carried out when the isolation frame 4 is seriously worn.
Alternatively, as shown in fig. 3, 4 and 5, the connecting plate 51 is provided with a second mounting hole 52, and the crane cab roof 1 is welded with a second bolt 53 penetrating the second mounting hole 52, and the second bolt 53 cooperates with a nut 54 to lock the connecting plate 51 to the crane cab roof 1.
The number of the second bolts 53 is four, the left and right sides of the front and rear ends are respectively arranged, the positions of the second bolts correspond to the positions of the second mounting holes 52 of the connecting plate 51, and the whole isolation frame 4 is fixed on the top 1 of the cab of the crane through the connection of the baffle plate 5 and the second bolts 53. A gasket is further arranged between the connecting plate 51 and the nut 54, so that the connection between the second bolt 53 and the nut 54 is firmer.
According to the crane cab protection device in the embodiment, the second bolts 53 are designed to be directly welded on the crane cab top 1, so that the isolation frame 4 is firmly and reliably connected with the crane cab top 1, and the isolation frame is not easy to loosen, and the safety and the service life are improved.
Another embodiment of the invention is a crane comprising a crane cab guard as described above.
The crane in this embodiment sets up isolation frame 4 at crane cab top 1 below the jib loading boom 2 for after jib loading boom 2 is packed up, wire rope 3 connected on jib loading boom 2 falls into and places on isolation frame 4 naturally because of receiving self gravity effect, and the structure not only can prevent that crane cab top 1 from being scraped to the wire rope 3 of crane cab top from rubbing, can also be after the crane accomplishes the operation and packs up jib loading boom 2, wire rope 3 just can put into in isolation frame 4 naturally under the condition that does not need the manual regulation position, thereby has improved work efficiency greatly, can also effectively reduce the total height of crane.
Alternatively, as shown in fig. 2 and 4, the crane cab roof 1 is provided with a recess 11 in the front-rear direction, and the spacer 4 is mounted in the recess 11.
The method comprises the steps that a groove 11 is formed in the middle of the crane cab roof 1 in the next step when the crane cab roof 1 is subjected to early sheet metal machining, and the groove 11 extends from the front end of the crane cab roof 1 to the rear end of the crane cab roof 1; the depth of the groove 11 in the up-down direction is greater than the thickness of the spacer 4 in the up-down direction so that the boom 2 can be brought closer down to the crane cab roof 1 when stowed, helping to reduce the overall height of the crane.
According to the crane cab protection device in the embodiment, the groove 11 for installing the isolation frame 4 is formed in the crane cab top 1, so that the crane boom 2 can integrally move downwards to the crane cab top 1 for a certain distance when being retracted, and the total height of the crane is further effectively reduced.
Alternatively, as shown in connection with fig. 2, the highest point of the spacer 4 in the vertical direction does not exceed the top surface of the crane cab roof 1.
The vertical direction refers to a direction perpendicular to the plane of the crane cab roof 1, that is, the corresponding up-down direction, and the top surface of the crane cab roof 1 refers to the surface of the highest point of the crane cab roof 1 in the vertical direction. Preferably, the surface of the spacer 4 on which the wire rope 3 is placed is lower than the top surface of the crane cab roof 1 so that the wire rope 3 does not protrude in the vertical direction beyond the crane cab roof 1 when the wire rope 3 falls completely onto the spacer 4.
In the crane cab protection device in the embodiment, the highest point of the isolation frame 4 is designed to be lower than the top surface of the crane cab top 1, so that the crane boom 2 can integrally move downwards to the crane cab top 1 when being retracted, and the total height of the crane is lower.
Optionally, as shown in fig. 4, the upper surface of the groove 11 is provided with a scratch preventing member.
The anti-scratch piece can be made of wear-resistant materials such as wear-resistant steel plates, wear-resistant plastics or wear-resistant rubber, and covers the whole upper surface of the groove 11, so that even if the steel wire rope slides into the groove 11, the steel wire rope 3 can be prevented from scratch the top 1 of the crane cab, and the integrity of the top 1 of the crane cab is further guaranteed. The anti-scratch member is detachably connected with the groove 11, so that the anti-scratch member can be replaced when the anti-scratch member is seriously worn.
According to the crane cab protection device in the embodiment, the scratch-proof piece is additionally arranged on the upper surface of the groove 11, so that the top 1 of the crane cab is prevented from being worn when the steel wire rope 3 directly falls into the groove 11, and the integrity of the top 1 of the crane cab is further ensured.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.
Claims (10)
1. A crane cab protection device suitable for being arranged on a crane cab top (1), wherein a crane boom (2) and a steel wire rope (3) arranged on the crane boom (2) are arranged above the crane cab top (1), and the crane cab protection device is characterized by comprising an isolation frame (4) for preventing the steel wire rope (3) from contacting the crane cab top (1), and when the crane boom (2) is retracted, the steel wire rope (3) falls into the isolation frame (4) under the action of self gravity;
the isolation frame (4) comprises a plurality of transverse supports (42) which are arranged at intervals, and when the lifting arm (2) is retracted, the steel wire rope (3) falls on the transverse supports (42); the transverse support (42) comprises a hollow rope supporting roller (421), a pin shaft (422) penetrating through the rope supporting roller (421) and a bearing (423) sleeved outside the pin shaft (422), and the rope supporting roller (421) is sleeved outside the bearing (423).
2. The crane cab protection device according to claim 1, wherein the isolation frame (4) further comprises two longitudinal supports (41) arranged at intervals, and two ends of the transverse support (42) are respectively connected with the two longitudinal supports (41).
3. Crane cab guard according to claim 2, characterized in that the pin (422) is connected to the longitudinal support (41).
4. A crane cab protection device according to any one of claims 1-3, wherein the barrier (4) is provided with a baffle (5) on both the left and right sides of the front and rear ends.
5. Crane cab protection device according to claim 4, characterized in that the barrier (5) is provided with a connection plate (51), and that the spacer (4) is detachably connected to the crane cab roof (1) by means of the connection plate (51).
6. The crane cab protection device according to claim 5, wherein the connecting plate (51) is provided with a second mounting hole (52), the crane cab top (1) is welded with a second bolt (53) penetrating the second mounting hole (52), and the second bolt (53) cooperates with a nut (54) to lock the connecting plate (51) to the crane cab top (1).
7. Crane, characterized by comprising a crane cab guard according to any of claims 1-6.
8. Crane according to claim 7, characterized in that the crane cab roof (1) is provided with a recess (11) in the front-rear direction, in which recess (11) the spacer (4) is mounted.
9. Crane according to claim 8, characterized in that the highest point of the spacer (4) in the vertical direction does not exceed the top surface of the crane cab roof (1).
10. Crane according to claim 8, characterized in that the upper surface of the groove (11) is provided with anti-scratch elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110087713.6A CN112758828B (en) | 2021-01-21 | 2021-01-21 | Crane cab protection device and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110087713.6A CN112758828B (en) | 2021-01-21 | 2021-01-21 | Crane cab protection device and crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112758828A CN112758828A (en) | 2021-05-07 |
| CN112758828B true CN112758828B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110087713.6A Active CN112758828B (en) | 2021-01-21 | 2021-01-21 | Crane cab protection device and crane |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4205642B2 (en) * | 2004-08-04 | 2009-01-07 | Ｉｈｉ建機株式会社 | Cab interference prevention device for concrete pump car with boom |
| KR100689292B1 (en) * | 2005-06-01 | 2007-03-02 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | Operator protective structure for construction vehicle |
| JP4821895B2 (en) * | 2009-07-29 | 2011-11-24 | コベルコ建機株式会社 | Construction machinery |
| CN204022368U (en) * | 2014-07-30 | 2014-12-17 | 江苏华澄重工有限公司 | Span winch steel rope anti-interference bracket |
| CN209601960U (en) * | 2018-12-23 | 2019-11-08 | 无锡市巨神起重机有限公司 | A kind of hoisting box's protective device |
| CN210438294U (en) * | 2019-04-10 | 2020-05-01 | 济宁四通工程机械有限公司 | Mobile crane with concave cab |
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2021
- 2021-01-21 CN CN202110087713.6A patent/CN112758828B/en active Active
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| CN112758828A (en) | 2021-05-07 |
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