CN220580095U - Protection structure of excavator cab - Google Patents
Protection structure of excavator cab Download PDFInfo
- Publication number
- CN220580095U CN220580095U CN202322025842.XU CN202322025842U CN220580095U CN 220580095 U CN220580095 U CN 220580095U CN 202322025842 U CN202322025842 U CN 202322025842U CN 220580095 U CN220580095 U CN 220580095U
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- CN
- China
- Prior art keywords
- support frame
- cab
- protection
- base
- excavator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000035939 shock Effects 0.000 claims description 11
- 239000006096 absorbing agent Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000004575 stone Substances 0.000 description 10
- 101100494448 Caenorhabditis elegans cab-1 gene Proteins 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 108010066057 cabin-1 Proteins 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The utility model belongs to the technical field of cabs of excavators, in particular to a cab protection structure of an excavators, which comprises a cab, wherein the front end and the rear end above the cab are respectively provided with a protection plate, two protection plate covers are covered on the top of a support frame, the upper end surface of the support frame is provided with an air bag mechanism, a double-shaft air cylinder is further arranged on the support frame, one ends of two piston rods of the double-shaft air cylinder are respectively spliced with the bottom inner walls of the two protection plates, and a first pressure sensor is arranged below the support frame.
Description
Technical Field
The utility model relates to the technical field of excavator cabs, in particular to an excavator cab protection structure.
Background
In construction, road construction and rescue and relief work, engineering vehicles are increasingly widely used. The excavator has severe working conditions, and especially falls of rocks, bricks and the like frequently occur in places such as tunnels, mines, forest farms and the like. Falling rocks, bricks, etc. easily strike the glass at the front and top of the cab, thereby causing personal injury to the driver. Therefore, the excavator cab must be fitted with front and roof protection devices. The existing protection device for the cab of the excavator is formed by welding a layer of protection net and reinforcing steel bars, so that the protection effect can be achieved to a certain extent, but the existing protection device is damaged and cannot be reused after being subjected to an impact force, and moreover, small stones fall on the top of the cab and are easy to smash the top of the cab into the cab.
CN 210104845U discloses a mini excavator cab protector, through setting up the setting of 2 SMPB-02B-pressure sensor, smash to the driver's cabin top at the falling stone, when the unable interception of top protection frame, 2 SMPB-02B-pressure sensor can feel pressure, give inside treater with the signal transmission, the treater ignites at control igniter, ignition storehouse burning produces a large amount of gases, the gas can be with the piston jack-up, and in entering air bag through the hole, air bag struts in the twinkling of an eye, protect the driver's cabin inside, prevent the driver from being injured, but air bag opens to the driver's cabin direction, air bag can form great impact to the driver's health.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a cab protection structure of an excavator.
The utility model provides an excavator cab protective structure, includes the driver's cabin, the front and back end of driver's cabin top all is equipped with the guard plate, two the guard plate cover is at the top of support frame, and the bottom is articulated with the edge of support frame, the up end of support frame is equipped with air bag mechanism, still be equipped with biax cylinder on the support frame, the one end of two piston rods of biax cylinder is pegged graft with the bottom inner wall of two guard plates respectively, the below of support frame is equipped with first pressure sensor.
Further, the below of support frame is equipped with the base, base fixed mounting is at the top of driver's cabin, the inside wall of support frame and the lateral wall butt of base, the up end of base is equipped with the bumper shock absorber, the up end of bumper shock absorber links to each other with the lower terminal surface of support frame.
Further, the bottom of the first pressure sensor is fixedly arranged on the upper end face of the base.
Further, one ends, far away from the protection plate, of the two piston rods of the double-shaft air cylinder are provided with push plates, and a second pressure sensor is arranged on the outer side wall of the safety airbag mechanism at a position corresponding to the push plates.
Further, the top of guard plate is the arc structure, the lower terminal surface at guard plate top is equipped with netted strengthening rib.
By adopting the technical scheme, the utility model has the beneficial technical effects that: according to the utility model, the protection plates are arranged at the front end and the rear end above the cab, the tops of the two protection plates are spliced together, when larger stones fall onto the protection plates, the protection plates and the support frame are driven to move downwards, when the lower end surface of the support frame is contacted with the first pressure sensor, the two piston rods of the double-shaft cylinder move leftwards, the connection relation between the two piston rods and the protection plates is relieved, and the safety air bag in the safety air bag mechanism is ejected upwards, so that the stone is supported, and the driver cannot be injured.
Drawings
FIG. 1 is a schematic view of a cab guard structure of an excavator according to the present utility model;
FIG. 2 is a front view of an excavator cab guard structure according to the present utility model;
FIG. 3 is a schematic view of the cross-sectional structure of FIG. 2 in the direction A-A according to the present utility model.
In the figure, 1, a cab, 2, a protection plate, 3, a support frame, 4, an airbag mechanism, 5, a double-shaft cylinder, 6, a base, 7, a shock absorber, 8, a first pressure sensor, 9, a push plate, 10, a second pressure sensor, 11 and a reinforcing rib.
Detailed Description
In order to more clearly illustrate the technical solution of the present utility model, it is obvious that the following description of the present utility model is provided by way of example only, and it is within the scope of the present utility model to one skilled in the art to obtain other embodiments according to the present utility model without inventive effort.
According to the illustration of fig. 1-3, an excavator cab protection structure comprises a cab 1, the front and back ends of cab 1 top all are equipped with guard plate 2, two guard plate 2 covers the top at support frame 3, and the bottom is articulated with the edge of support frame 3, the up end of support frame 3 is equipped with air bag mechanism 4, still be equipped with biax cylinder 5 on the support frame 3, the one end of two piston rods of biax cylinder 5 is pegged graft with the bottom inner wall of two guard plates 2 respectively, the below of support frame 3 is equipped with first pressure sensor 8.
In the above embodiment, the front end and the rear end above the cab 1 are respectively provided with the protection plates 2, the tops of the two protection plates 2 are spliced together, when larger stones fall onto the protection plates 2, the protection plates 2 and the support frame 3 are driven to move downwards, when the lower end face of the support frame 3 is in contact with the first pressure sensor 8, the two piston rods of the double-shaft cylinder 5 move leftwards, the connection relationship between the two piston rods and the protection plates 2 is relieved, and the safety air bag in the safety air bag mechanism 4 is ejected upwards, so that the stone is supported, and the driver cannot be injured.
The embodiment provides a cab protection structure of an excavator, when broken stones fall to the top of a protection plate 2, two closed protection plates 2 are in a closed state and play a role in blocking falling stones, a shock absorber 7 on the upper end face of a base 6 plays a role in shock absorption, the shock absorber 7 is a matched structure of a damping rod and a spring and is used for preventing broken stones from smashing the protection plate and deforming, when large stones fall to the top of the protection plate 2, the shock absorber 7 is compressed, the lower end face of a support frame 3 contacts a first pressure sensor 8 and transmits signals to a double-shaft air cylinder 5, two piston rods of the double-shaft air cylinder 5 move to one side far away from the protection plate 2, when a push plate 9 contacts a second pressure sensor 10, the signals are transmitted to an air bag mechanism 4, and an air bag is ejected upwards,
the below of support frame 3 is equipped with base 6, base 6 fixed mounting is at the top of driver's cabin 1, the inside wall of support frame 3 and the lateral wall butt of base 6, the up end of base 6 is equipped with bumper shock absorber 7, the up end of bumper shock absorber 7 links to each other with the lower terminal surface of support frame 3.
The bottom of the first pressure sensor 8 is fixedly arranged on the upper end face of the base 6.
One ends of the two piston rods of the double-shaft air cylinder 5, which are far away from the protection plate 2, are provided with push plates 9, and the outer side wall of the air bag mechanism 4 is provided with a second pressure sensor 10 at the corresponding position of the push plates.
The top of guard plate 2 is the arc structure, the lower terminal surface at guard plate 2 top is equipped with netted strengthening rib 11, increases the intensity of guard plate 2.
The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, and the scope of the present utility model is defined by the appended claims, and various modifications or equivalent substitutions may be made by those skilled in the art to which the present utility model pertains, and should be considered to fall within the scope of the present utility model.
Claims (5)
1. The utility model provides an excavator cab protective structure, includes driver's cabin (1), its characterized in that, the front and back end of driver's cabin (1) top all is equipped with guard plate (2), two guard plate (2) cover is at the top of support frame (3), and the bottom is articulated with the edge of support frame (3), the up end of support frame (3) is equipped with air bag mechanism (4), still be equipped with biax cylinder (5) on support frame (3), the one end of two piston rods of biax cylinder (5) peg graft with the bottom inner wall of two guard plates (2) respectively, the below of support frame (3) is equipped with first pressure sensor (8).
2. The excavator cab protection structure according to claim 1, wherein a base (6) is arranged below the supporting frame (3), the base (6) is fixedly installed at the top of the cab (1), the inner side wall of the supporting frame (3) is abutted to the side wall of the base (6), a shock absorber (7) is arranged on the upper end face of the base (6), and the upper end face of the shock absorber (7) is connected with the lower end face of the supporting frame (3).
3. The excavator cab protection structure according to claim 2, wherein the bottom of the first pressure sensor (8) is fixedly mounted on the upper end surface of the base (6).
4. An excavator cab protection structure according to claim 3, characterized in that the two piston rods of the double-shaft cylinder (5) are provided with push plates (9) at the ends far away from the protection plate (2), and the outer side wall of the safety airbag mechanism (4) is provided with a second pressure sensor (10) at the corresponding position of the push plates.
5. The cab protection structure of the excavator according to claim 4, wherein the top of the protection plate (2) is of an arc-shaped structure, and a netty reinforcing rib (11) is arranged on the lower end face of the top of the protection plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322025842.XU CN220580095U (en) | 2023-07-31 | 2023-07-31 | Protection structure of excavator cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322025842.XU CN220580095U (en) | 2023-07-31 | 2023-07-31 | Protection structure of excavator cab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220580095U true CN220580095U (en) | 2024-03-12 |
Family
ID=90110481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322025842.XU Active CN220580095U (en) | 2023-07-31 | 2023-07-31 | Protection structure of excavator cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220580095U (en) |
-
2023
- 2023-07-31 CN CN202322025842.XU patent/CN220580095U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |