CN215669816U - ROPS cab for excavator - Google Patents
ROPS cab for excavator Download PDFInfo
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- CN215669816U CN215669816U CN202121410682.5U CN202121410682U CN215669816U CN 215669816 U CN215669816 U CN 215669816U CN 202121410682 U CN202121410682 U CN 202121410682U CN 215669816 U CN215669816 U CN 215669816U
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Abstract
The utility model relates to the technical field of engineering machinery, in particular to a ROPS cab for an excavator. The ROPS cab for an excavator includes: the ROPS cab body is constructed into a frame structure and is suitable for being fixedly connected with a frame arranged at the bottom of the ROPS cab body; the reinforcing longitudinal beam is formed by a longitudinal beam positioned at the bottom of the ROPS cab body and is arranged on the toppling force-bearing side of the ROPS cab; the first fastener, the second fastener and the third fastener are sequentially arranged along the length direction of the reinforced longitudinal beam, and the three fasteners are suitable for tightly connecting the ROPS cab body with the frame. Through the length direction of the reinforcing longitudinal beam of the first stress side of first fastener, second fastener, third fastener when the driver's cabin turns on one's side, realize when the driver's cabin takes place to turn on one's side, the fastener can bear corresponding power of turning on one's side at first, more reliable prevents that ROPS driver's cabin and frame from separating to a ROPS driver's cabin for excavator simple structure and security height is provided.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a ROPS cab for an excavator.
Background
The roll protection structure (i.e. ROPS) in the excavator industry is a common device for protecting the safety of a driver, and when the machine rolls, the roll protection structure protects the safety of the driver. Cab suspension devices such as a silicone oil shock absorber and the like are commonly installed on a frame for roll protection of domestic excavators, but the shock absorber is poor in bearing capacity after being installed, and is easily damaged after being subjected to high-strength stress such as excavator rollover and the like, so that the frame is separated from a ROPS cab. The European market has special regulation requirements on the separation of a ROPS cab and a frame, but the market is small, and in order to solve the problem, at present, one or two anti-tipping pin shafts are welded on a rear lower cross beam of the ROPS, and the lower end of the anti-tipping pin shaft is connected with the frame to bear main tipping stress. The mode of only fixing the rear end has too strict requirements on the strength design of the ROPS cab framework, the front end of the cab is easily stressed too much to deform and sink due to too small strength, the safety space of a driver is affected, and the anti-toppling pin shaft is easily broken due to insufficient energy absorption due to too large strength, so that the cost is high and the safety is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the defects of complex structure and low safety of the rolling protection structure in the prior art, so that the ROPS cab for the excavator, which has a simple structure and high safety, is provided.
In order to solve the above technical problem, the present invention provides a ROPS cab for an excavator, comprising:
the ROPS cab body is constructed into a frame structure and is suitable for being fixedly connected with a frame arranged at the bottom of the ROPS cab body;
the reinforcing longitudinal beam is formed by a longitudinal beam positioned at the bottom of the ROPS cab body and is arranged on the toppling force-bearing side of the ROPS cab;
the first fastener, the second fastener and the third fastener are sequentially arranged along the length direction of the reinforced longitudinal beam, and the three fasteners are suitable for tightly connecting the ROPS cab body with the frame.
Optionally, the ROPS cab for the excavator further includes: and the cab bottom plate is arranged at the bottom of the ROPS cab body, is suitable for being fixedly connected with the reinforced longitudinal beam, and is suitable for penetrating the first fastener, the second fastener and the third fastener.
Optionally, the ROPS cab for the excavator further includes: the first mounting plate is arranged in parallel with the cab bottom plate and is fixedly connected with the first end of the reinforcing longitudinal beam;
the first fastener is suitable for sequentially and tightly connecting the first mounting plate, the cab bottom plate and the frame.
Optionally, the first fastener comprises: a screw part provided with an internal thread adapted to be connected with a bolt;
the fixed head is arranged at one end part of the screw rod part in the length direction; in the section vertical to the length direction of the screw rod part, the sectional area of the fixed head is larger than that of the screw rod part;
the fixing head is suitable for being connected with the first mounting plate in a welding mode.
Optionally, the ROPS cab for the excavator further includes: the second mounting plate is arranged in parallel with the cab bottom plate and is fixedly connected with the second end of the reinforcing longitudinal beam;
the third fastener is suitable for fastening and connecting the second mounting plate, the cab bottom plate and the frame in sequence.
Optionally, the ROPS cab for the excavator further includes: the extension plate is formed by extending the third mounting plate upwards and is perpendicular to the cab bottom plate; the third fastener is suitable for being connected with the extension plate in a welding mode.
Optionally, the third fastener comprises: a screw part provided with an internal thread adapted to be connected with a bolt;
the widened fixing head is arranged at one end part of the screw rod part in the length direction; in the section perpendicular to the length direction of the screw rod part, the sectional area of the widened fixing head is larger than that of the screw rod part;
the widened fixing head is adapted to be welded to the first mounting plate and the extension plate simultaneously.
Optionally, the second fastener comprises:
a screw part provided with an internal thread adapted to be connected with a bolt;
the lengthened fixing head is arranged at one end part of the screw rod part in the length direction; in the section perpendicular to the length direction of the screw rod part, the sectional area of the lengthened fixing head is larger than that of the screw rod part;
the lengthened fixing head is suitable for being connected with the B column of the ROPS cab body in a welding mode.
Optionally, the ROPS cab for the excavator further includes: and the bolt penetrates through the frame and is suitable for being connected with the screw rod part.
Optionally, the first fastener, the second fastener and the third fastener are located on the same straight line.
The technical scheme of the utility model has the following advantages:
1. according to the ROPS cab for the excavator, the first fastener, the second fastener and the third fastener are sequentially arranged along the length direction of the reinforcing longitudinal beam, the reinforcing longitudinal beam is arranged on the toppling stressed side of the ROPS cab, the fastener is arranged on the reinforcing longitudinal beam on the first stressed side when the cab is turned on one side, so that the fastener can bear the corresponding rollover force firstly when the cab is turned on one side, the ROPS cab is more reliably prevented from being separated from a frame, and the three fasteners are simple in structure and high in safety.
2. According to the ROPS cab for the excavator, the first fastener, the second fastener and the third fastener are arranged, and the second fastener positioned in the middle can continue to work after any one of the front fastener and the rear fastener fails, so that the separation protection reliability is improved, and the safety of the ROPS cab is improved.
3. According to the ROPS cab for the excavator, the cab bottom plate is directly and fixedly connected with the frame through the fastener, so that the reliability is improved, and the problem that the middle buffer device of the traditional rolling protection structure fails due to poor working conditions of engineering machinery is solved.
4. According to the ROPS cab for the excavator, the first fastener, the second fastener and the third fastener are arranged on the same straight line, so that the space occupied by the three fasteners is reasonably arranged, and the structural arrangement of interior parts of the cab is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a ROPS cab for an excavator according to the present invention;
FIG. 2 is a bottom view of the ROPS cab for the excavator of the present invention;
FIG. 3 is a schematic view of a first fastener of the present invention;
FIG. 4 is a schematic view of a second fastener of the present invention;
FIG. 5 is a schematic view of a third fastener of the present invention.
Description of reference numerals:
1. a first fastener; 100. a screw section; 101. a fixed head; 102. lengthening the fixing head; 103. widening the fixing head; 2. a second fastener; 3. a third fastener; 4. a cab floor; 5. a frame; 6. a ROPS cab body; 7. a column B; 8. a first mounting plate; 9. a second mounting plate; 91. an extension plate; 10. a first bolt; 11. a second bolt; 12. a third bolt; 13. and (5) reinforcing the longitudinal beam.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting 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 present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 5, the ROPS cab for an excavator according to the present embodiment includes:
a ROPS cab body 6 constructed in a frame structure and adapted to be fixedly connected with a vehicle frame 5 provided at the bottom thereof;
the reinforcing longitudinal beam 13 is composed of a longitudinal beam positioned at the bottom of the ROPS cab body 6 and is arranged on the toppling force-bearing side of the ROPS cab;
the first fastener 1, the second fastener 2 and the third fastener 3 are sequentially arranged along the length direction of the reinforcing longitudinal beam 13, and the three fasteners are suitable for tightly connecting the ROPS cab body 6 with the frame 5.
It should be noted that the ROPS refers to a rolling protection structure of the excavator; the excavator is usually provided with a movable arm at the right side in the traveling direction, so that if the cab turns over to the right side, the movable arm is stressed firstly, the movable arm plays a role in protection, and the cab cannot directly receive force at the right side; if the cab is turned to the left, the cab is stressed firstly, so that the toppling stress side of the ROPS cab is specifically the left side of the advancing direction of the excavator; the reinforcing longitudinal beam can be a left lower longitudinal beam of the ROPS cab.
The left-right direction in this embodiment refers to both left and right sides of the excavator advancing direction.
The ROPS driver's cabin for excavator that this embodiment provided, through first fastener 1, second fastener 2, third fastener 3 sets gradually along the length direction who consolidates longeron 13, wherein consolidate longeron 13 and set up in the atress side of empting of ROPS driver's cabin, the realization is installed the fastener on the bottom longeron of atress one side at first when the driver's cabin turns on one's side, thereby when the driver's cabin takes place to turn on one's side, the fastener can bear corresponding power of turning on one's side at first, more reliable prevents ROPS driver's cabin and frame separation, and the three fastener simple structure that sets up, the security is high.
According to the ROPS cab for the excavator, the first fastening piece 1, the second fastening piece 2 and the third fastening piece 3 are arranged, and the second fastening piece 2 positioned in the middle can continue to work after any one of the front fastening piece and the rear fastening piece fails, so that the separation protection reliability is improved, and the safety of the ROPS cab is improved.
Specifically, the ROPS cab for an excavator further includes: and the cab bottom plate 4 is arranged at the bottom of the ROPS cab body 6, is suitable for being fixedly connected with the reinforcing longitudinal beam 13, and is suitable for penetrating the first fastener 1, the second fastener 2 and the third fastener 3.
Through setting up cab floor 4 with strengthen longeron 13 fixed connection, realize wearing to locate on cab floor 4 first fastener 1, second fastener 2 and third fastener 3 with strengthen the indirect connection of longeron 13 to when realizing that the ROPS driver's cabin topples, three fasteners can bear the toppling force that strengthens longeron 13 received, prevent the ROPS driver's cabin with frame 5 separation.
Specifically, the ROPS cab for an excavator further includes: the first mounting plate 8 is arranged in parallel with the cab bottom plate 4 and is fixedly connected with a first end of the reinforcing longitudinal beam 13;
the first fastener 1 is suitable for fastening and connecting the first mounting plate 8, the cab floor 4 and the frame 5 in sequence.
Preferably, the first end of the reinforcing longitudinal beam 13 is specifically a front end of the reinforcing longitudinal beam 13 in the traveling direction of the excavator.
Specifically, the first fastener 1 includes: a screw part 100 provided with an internal thread adapted to be coupled with a bolt;
a fixed head 101 provided at one end in the longitudinal direction of the screw part 100; in the cross section perpendicular to the length direction of the screw part 100, the sectional area of the fixed head 101 is larger than that of the screw part 100;
the fixing head 101 is adapted to be welded to the first mounting plate 8.
Preferably, the screw portion 100 of the first fastening member 1 sequentially penetrates through the first mounting plate 8, the cab bottom plate 4 and the frame 5, the internal thread of the screw portion 100 is connected with the bolt to realize fastening connection, and meanwhile, the first fastening member 1 is fixedly connected with the first mounting plate 8 through the fixed head 101 and the first mounting plate 8 in a welding mode, so that the first fastening member 1 is indirectly connected with the reinforcing longitudinal beam 13, the connection between the ROPS cab and the frame 5 is further strengthened, and the separation of the ROPS cab and the frame 5 is prevented.
Specifically, the ROPS cab for an excavator further includes: the second mounting plate 9 is arranged in parallel with the cab bottom plate 4 and is fixedly connected with the second end of the reinforcing longitudinal beam 13;
the third fastener 3 is suitable for fastening and connecting the second mounting plate 9, the cab floor 4 and the frame 5 in sequence.
Preferably, the second end of the reinforcing longitudinal beam 13 is specifically an end of the reinforcing longitudinal beam 13 away from the first end of the reinforcing longitudinal beam 13.
Specifically, the ROPS cab for an excavator further includes: an extension plate 91 formed by extending the second mounting plate 9 upward and arranged perpendicular to the cab floor 4; the third fastening member 3 is adapted to be welded to the extension plate 91.
Preferably, the extension plate 91 is welded to the second mounting plate 9.
Specifically, the third fastener 3 includes: a screw part 100 provided with an internal thread adapted to be coupled with a bolt;
a widened fixing head 103 provided at one end portion in the longitudinal direction of the screw part 100; in the cross section perpendicular to the length direction of the screw part 100, the sectional area of the widened fixing head 103 is larger than that of the screw part 100;
the widened fixing head 103 is adapted to be welded simultaneously with the first mounting plate 8 and the extension plate 91.
Preferably, the screw portion 100 of the third fastening member 3 sequentially penetrates through the second mounting plate 9, the cab floor 4 and the frame 5, the internal thread of the screw portion 100 is connected with a bolt to realize fastening connection, and meanwhile, the widened fixing head 103 is connected with the extension plate 91 in a welding manner to realize fixed connection between the third fastening member 3 and the second mounting plate 9, so that indirect connection between the third fastening member 3 and the reinforcing longitudinal beam 13 is realized, connection between the ROPS cab and the frame 5 is further strengthened, and separation between the ROPS cab and the frame 5 is prevented.
Specifically, the second fastener 2 includes:
a screw part 100 provided with an internal thread adapted to be coupled with a bolt;
an elongated fixing head 102 provided at one end in the longitudinal direction of the screw section 100; in the cross section perpendicular to the length direction of the screw part 100, the sectional area of the lengthened fixing head 102 is larger than that of the screw part 100;
the elongated anchor head 102 is adapted to be welded to the B-pillar 7 of the ROPS cab body 6.
Preferably, the screw portion 100 of the second fastening member 2 sequentially penetrates through the cab floor 4 and the frame 5, the internal thread of the screw portion 100 is connected with a bolt to realize fastening connection, and meanwhile, the screw portion is connected with the B-pillar 7 by welding through the lengthened fixing head 102, wherein the B-pillar is fixedly connected with the reinforcing longitudinal beam 13, so that indirect connection between the second fastening member 2 and the reinforcing longitudinal beam 13 is realized, connection between the ROPS cab and the frame 5 is further strengthened, and the separation of the ROPS cab and the frame 5 is prevented.
The ROPS cab for the excavator provided by the embodiment is characterized in that the cab bottom plate 4 is directly and fixedly connected with the frame 5 through the fastener, the problem that the middle buffering device of the traditional rolling protection structure fails due to poor working conditions of engineering machinery is avoided, and the reliability is enhanced.
Specifically, the ROPS cab for an excavator further includes: and a bolt disposed through the frame 5 and adapted to be coupled to the screw part 100.
Preferably, the bolt includes: a first bolt 10 adapted to be connected with the first fastener 1;
a second bolt 11 adapted to be connected with the second fastener 2;
a third bolt 12 adapted to be connected with the third fastener 3.
Preferably, a gasket is arranged between the bolt and the frame 5.
Through the bolt with screw rod portion 100 is connected, realizes right ROPS driver's cabin body 6 with the fixed connection of frame 5 prevents the driver's cabin with frame 5 separation.
Specifically, the first fastener 1, the second fastener 2, and the third fastener 3 are located on the same line.
The ROPS driver's cabin for excavator that this embodiment provided is through setting up first fastener 1, second fastener 2 and third fastener 3 are located same straight line, and the occupied space of three fastener has rationally arranged, the interior trim part structural arrangement of the driver's cabin of being convenient for.
The operation principle of the ROPS cab for an excavator according to the present embodiment is described in detail below:
the first mounting plate 8, the cab base plate 4 and the frame 5 are sequentially fastened and connected by arranging the first fastener 1, the cab base plate 4 and the frame 5 are sequentially fastened and connected by the second fastener 2, the second mounting plate 9, the cab base plate 4 and the frame 5 are sequentially fastened and connected by the third fastener 3, so that the ROPS cab and the frame 5 are fixedly connected, when a rollover force occurs, the reinforcing longitudinal beam 13 positioned at the lower left of the ROPS cab body 6 is firstly deformed and generates a pulling force along the axial direction of the first fastener 1 on the first fastener 1, the welding connection part of the first fastener 1 and the first mounting plate 8 can ensure that the first fastener 1 and the ROPS cab body 6 are reliably connected, and meanwhile, the frame 5 and the first fastener 1 are connected by the first bolt 10, thereby realizing that the ROPS cab body 6 is connected with the frame 5 by using the first fastening piece 1, and preventing separation; similarly, after the reinforcing longitudinal beam 13 deforms, tensile force along the axis direction of the fastening pieces is generated on the second fastening piece 2 and the third fastening piece 3 respectively, the welding position can be guaranteed to be reliably connected with the ROPS cab body 6, meanwhile, the frame 5 is connected with the second fastening piece 2 and the third fastening piece 3 respectively through the bolts, so that the ROPS cab body 6 is connected with the frame 5 through the second fastening piece 2 and the third fastening piece 3, separation is prevented, and the safety and the reliability are high.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (10)
1. A ROPS cab for an excavator, comprising:
a ROPS cab body (6) constructed as a frame structure and adapted to be fixedly connected with a vehicle frame (5) provided at a bottom thereof;
the reinforcing longitudinal beam (13) is formed by a longitudinal beam positioned at the bottom of the ROPS cab body (6) and is arranged on the toppling force-bearing side of the ROPS cab;
the first fastener (1), the second fastener (2) and the third fastener (3) are sequentially arranged along the length direction of the reinforced longitudinal beam (13), and the three fasteners are suitable for tightly connecting the ROPS cab body (6) with the frame (5).
2. The ROPS cab for an excavator of claim 1, further comprising: the cab bottom plate (4) is arranged at the bottom of the ROPS cab body (6), is suitable for being fixedly connected with the reinforcing longitudinal beam (13), and is suitable for being penetrated by the first fastener (1), the second fastener (2) and the third fastener (3).
3. The ROPS cab for an excavator of claim 2, further comprising: the first mounting plate (8) is arranged in parallel with the cab bottom plate (4) and is fixedly connected with the first end of the reinforcing longitudinal beam (13);
the first fastening piece (1) is suitable for fastening and connecting the first mounting plate (8), the cab bottom plate (4) and the frame (5) in sequence.
4. The ROPS cab for an excavator according to claim 3, wherein the first fastener (1) comprises: a screw portion (100) provided with an internal thread adapted to be connected with a bolt;
a fixed head (101) provided at one end in the longitudinal direction of the screw section (100); in the section perpendicular to the length direction of the screw part (100), the sectional area of the fixed head (101) is larger than that of the screw part (100);
the fixing head (101) is suitable for being connected with the first mounting plate (8) in a welding mode.
5. The ROPS cab for an excavator of claim 3, further comprising: the second mounting plate (9) is arranged in parallel with the cab bottom plate (4) and is fixedly connected with the second end of the reinforcing longitudinal beam (13);
the third fastening piece (3) is suitable for fastening and connecting the second mounting plate (9), the cab bottom plate (4) and the frame (5) in sequence.
6. The ROPS cab for an excavator of claim 5, further comprising: the extension plate (91) is formed by upwards extending the second mounting plate (9) and is perpendicular to the cab bottom plate (4); the third fastening piece (3) is suitable for being connected with the extension plate (91) in a welding mode.
7. The ROPS cab for an excavator according to claim 6, wherein the third fastener (3) comprises: a screw portion (100) provided with an internal thread adapted to be connected with a bolt;
a widened fixing head (103) which is arranged at one end part of the screw part (100) in the length direction; in the section perpendicular to the length direction of the screw part (100), the sectional area of the widened fixing head (103) is larger than that of the screw part (100);
the widened fixing head (103) is adapted to be welded simultaneously with the first mounting plate (8) and with the extension plate (91).
8. The ROPS cab for an excavator according to claim 2, wherein the second fastener (2) comprises:
a screw portion (100) provided with an internal thread adapted to be connected with a bolt;
an elongated fixing head (102) provided at one end in the longitudinal direction of the screw section (100); in the cross section vertical to the length direction of the screw rod part (100), the sectional area of the lengthened fixing head (102) is larger than that of the screw rod part (100);
the lengthened fixing head (102) is suitable for being connected with a B column (7) of the ROPS cab body (6) in a welding mode.
9. The ROPS cab for an excavator of claim 4, further comprising: and the bolt is arranged through the frame (5) and is suitable for being connected with the screw rod part (100).
10. The ROPS cab for an excavator according to any one of claims 1-9, wherein the first fastener (1), the second fastener (2) and the third fastener (3) are located on the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410682.5U CN215669816U (en) | 2021-06-23 | 2021-06-23 | ROPS cab for excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410682.5U CN215669816U (en) | 2021-06-23 | 2021-06-23 | ROPS cab for excavator |
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| Publication Number | Publication Date |
|---|---|
| CN215669816U true CN215669816U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121410682.5U Active CN215669816U (en) | 2021-06-23 | 2021-06-23 | ROPS cab for excavator |
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| CN (1) | CN215669816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434383A (en) * | 2022-09-23 | 2022-12-06 | 三一重机有限公司 | Limiting part, anti-rolling protection structure and engineering machinery |
-
2021
- 2021-06-23 CN CN202121410682.5U patent/CN215669816U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434383A (en) * | 2022-09-23 | 2022-12-06 | 三一重机有限公司 | Limiting part, anti-rolling protection structure and engineering machinery |
| CN115434383B (en) * | 2022-09-23 | 2023-06-16 | 三一重机有限公司 | Limiting part, rolling-over prevention protection structure and engineering machinery |
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