CN113371079A - Integral type driver's cabin rear suspension assembly - Google Patents
Integral type driver's cabin rear suspension assembly Download PDFInfo
- Publication number
- CN113371079A CN113371079A CN202110767054.0A CN202110767054A CN113371079A CN 113371079 A CN113371079 A CN 113371079A CN 202110767054 A CN202110767054 A CN 202110767054A CN 113371079 A CN113371079 A CN 113371079A
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- Prior art keywords
- assembly
- support
- hydraulic lock
- locking
- air spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/08—Superstructures for load-carrying vehicles comprising adjustable means
- B62D33/10—Superstructures for load-carrying vehicles comprising adjustable means comprising means for the suspension of the superstructure on the frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/0604—Cabs insulated against vibrations or noise, e.g. with elastic suspension
- B62D33/0608—Cabs insulated against vibrations or noise, e.g. with elastic suspension pneumatic or hydraulic suspension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
- B62D33/067—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable
- B62D33/07—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable characterised by the device for locking the cab in the tilted or in the driving position
- B62D33/071—Locking devices for cabins in driving position; Shock and vibration absorbing devices therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to an integrated cab rear suspension assembly, and belongs to the field of automobile auxiliary devices. It includes: the device comprises a cross beam (9), a left lower support (1a) and a right lower support (1b) which are bilaterally symmetrical about the cross beam, a left air spring shock absorber assembly (2a), a right air spring shock absorber assembly (2b), a left upper support (4a), a right upper support (4b), a left hydraulic lock assembly (5a), a right hydraulic lock assembly (5b), a left locking support assembly (6a) and a right locking support assembly (6 b); a groove is formed in the hydraulic lock assembly, a lock tongue (7) is arranged at the groove opening of the groove, and the locking bracket assembly and the hydraulic lock assembly are fixed through the lock tongue (7); through the mutual cooperation of locking support assembly and upper bracket assembly, solve the difficult problem of lock in driver's cabin.
Description
Technical Field
The invention belongs to the field of automobile auxiliary devices, and particularly relates to an integrated cab rear suspension assembly.
Background
At present, domestic main trucks all adopt rear suspension devices with helical springs or air springs, and the structural form can attenuate the vibration transmitted to a cab by a frame and improve the comfort of the cab. However, with the accumulated error of the cab components, the locking bracket is difficult to lock in the process of falling back the cab, and the driving safety is possibly endangered.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: how to provide a suspension assembly behind integral type driver's cabin, improve the driver's cabin and fall back the difficult condition of locking of in-process locking support.
(II) technical scheme
In order to solve the above technical problem, the present invention provides an integrated cab rear suspension assembly, which includes: the device comprises a cross beam 9, a left lower support 1a, a right lower support 1b, a left air spring shock absorber assembly 2a, a right air spring shock absorber assembly 2b, a left upper support 4a, a right upper support 4b, a left hydraulic lock assembly 5a, a right hydraulic lock assembly 5b, a left locking support assembly 6a and a right locking support assembly 6 b;
the left lower support 1a and the right lower support 1b, the left air spring shock absorber assembly 2a and the right air spring shock absorber assembly 2b, the left upper support 4a and the right upper support 4b, the left hydraulic lock assembly 5a and the right hydraulic lock assembly 5b, and the left locking support assembly 6a and the right locking support assembly 6b are arranged in bilateral symmetry around the cross beam 9;
taking a left lower support 1a, a left air spring shock absorber assembly 2a, a left hydraulic lock assembly 5a and a left locking bracket assembly 6a as an example;
the top of the left lower support 1a is provided with a left supporting part and a right supporting part, the left supporting part is connected with the bottom end of the left air spring shock absorber 2a, and the right supporting part is connected with the bottom end of the left upper support 4 a;
the left hydraulic lock assembly 5a is transversely arranged, the left side and the right side of the left hydraulic lock assembly are respectively provided with a positioning connecting part, the left positioning connecting part is connected with the top end of the left air spring shock absorber 2a, and the right positioning connecting part is connected with the top end of the left upper support 4 a;
a groove is formed in the upper end of the left side of the left hydraulic lock assembly 5a, a lock tongue 7 is arranged at the notch of the groove, the bottom of the lock tongue 7 is an arc-shaped bent portion, and when the lock tongue 7 is popped out, the bent portion and the bottom of the groove form a through hole;
the two sides of the cross beam 9 are bent downwards, and the bent parts at the two sides are used for fixing the side walls of the left bracket 4a and the right upper bracket 4b respectively.
The top of the left locking bracket assembly 6a is fixedly connected with a vehicle cab, two support plates are arranged on the front side and the rear side of the bottom of the left locking bracket assembly, an accommodating space is formed between the two support plates, holes are formed in the middle of the two support plates, and a pin shaft penetrates between the two holes;
when the cab of the vehicle is not turned over, the lock tongue 7 is popped out to be in a locking state, the pin shaft falls into a through hole formed by the bent part of the lock tongue 7 and the bottom of the groove at the upper end of the left side of the bracket assembly 6a, and the pin shaft is fixed through the lock tongue, so that the left locking bracket assembly 6a is fixed on the left hydraulic lock assembly 5 a;
when the vehicle cab needs to be turned over, the bolt 7 retracts to be in an unlocking state, the left locking support assembly 6a turns upwards along with the vehicle cab to leave the left hydraulic lock assembly 5a, and correspondingly the right locking support assembly 6b leaves the right hydraulic lock assembly 5 b.
And the right interface of the left hydraulic lock assembly 5a is hinged with the top end of the left upper bracket 4a through bolts and nuts.
The bottoms of the left hydraulic lock assembly 5a and the right hydraulic lock assembly 5b are both provided with an oil line interface 11 and a signal line interface 10;
the oil line interface 11 is connected with an oil pipeline of a hydraulic lifting cylinder of the vehicle and drives the switch of the bolt 7 through hydraulic pressure;
the signal line interface 10 is used for judging the state of a bolt switch, and when the left locking support assembly 6a and the right locking support assembly 6b fall down and the bolt 7 is not ejected, a warning signal is output.
Lifting lugs are respectively arranged at the top end and the bottom end of the left air spring shock absorber 2a, the lifting lugs are in a circular ring shape, a rubber bushing is sleeved in a central hole of the circular ring, and a bolt is arranged in the bushing in a penetrating mode;
the top end lifting lug is connected with the left side positioning connecting part of the left hydraulic lock assembly 5a, and the bottom end lifting lug is connected with the left side support of the lower support assembly 1 a.
The integrated cab rear suspension assembly also comprises a height valve assembly 3;
the altitude valve assembly 3 comprises: the height valve assembly comprises a height valve pull rod and a height valve support, wherein the height valve support is fixed on a left upper support 4a, the height valve pull rod is L-shaped, one end of the height valve pull rod is connected with the height valve support, and the other end of the height valve pull rod is connected with a left side positioning part of a left hydraulic lock assembly 5 a;
and a threaded rubber pipe is sleeved outside the joint of the altitude valve pull rod and the altitude valve bracket.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1) through the mutual cooperation of locking support assembly and upper bracket assembly, solve the difficult problem of lock in driver's cabin.
2) When the cab falls back, if the hydraulic lock is not locked, a warning signal can be output, and the safety is improved.
3) The crossbeam links firmly with both sides upper bracket, and the left and right sides is connected into a whole, increases whole rigidity.
Drawings
FIG. 1 is a schematic view of a connection structure according to the present invention;
fig. 2 is a schematic structural view of the locking bracket assembly of the present invention.
Wherein: 1 a: left lower mount, 1 b: lower right mount, 2 a: left air spring damper assembly, 2 b: right air spring damper assembly, 3: altitude valve assembly, 4 a: upper left bracket, 4 b: upper right bracket, 5 a: left hydraulic lock assembly, 5 b: right hydraulic lock assembly, 6 a: left locking bracket assembly, 6 b: right locking bracket assembly, 7: a bolt, 9: a cross member.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
In order to solve the problems: the invention relates to an integrated cab rear suspension assembly, which comprises: the air spring damper comprises a lower support, an air spring damper assembly, an upper support and a locking support assembly;
as shown in fig. 1, the lower holder includes: a left lower support 1a and a right lower support 1 b;
the air spring damper assembly includes: a left air spring shock absorber assembly 2a and a right air spring shock absorber assembly 2 b;
the upper bracket includes: a left upper bracket 4a, a right upper bracket 4 b;
the hydraulic lock assembly includes: a left hydraulic lock assembly 5a and a right hydraulic lock assembly 5 b;
locking support assembly includes: a left locking bracket assembly 6a and a right locking bracket assembly 6 b;
the left lower support 1a and the right lower support 1b, the left air spring shock absorber assembly 2a and the right air spring shock absorber assembly 2b, the left upper support 4a and the right upper support 4b, the left hydraulic lock assembly 5a and the right hydraulic lock assembly 5b, and the left locking support assembly 6a and the right locking support assembly 6b are arranged in bilateral symmetry around the cross beam 9;
taking a left lower support 1a, a left air spring shock absorber assembly 2a, a left hydraulic lock assembly 5a and a left locking bracket assembly 6a as an example;
the top of the left lower support 1a is provided with a left supporting part and a right supporting part, the left supporting part is connected with the bottom end of the left air spring shock absorber 2a, and the right supporting part is connected with the bottom end of the left upper support 4 a;
the left hydraulic lock assembly 5a is transversely arranged, the left side and the right side of the left hydraulic lock assembly are respectively provided with a positioning connecting part, the left positioning connecting part is connected with the top end of the left air spring shock absorber 2a, and the right positioning connecting part is connected with the top end of the left upper support 4 a;
as shown in fig. 2, a groove is formed in the upper end of the left side of the left hydraulic lock assembly 5a, a bolt 7 is arranged at the notch of the groove, the bottom of the bolt 7 is an arc-shaped bending portion, and when the bolt 7 is ejected, the bending portion and the bottom of the groove form a through hole;
the two sides of the cross beam 9 are bent downwards, and the bent parts at the two sides are used for fixing the side walls of the left bracket 4a and the right upper bracket 4b respectively.
The top of the left locking bracket assembly 6a is fixedly connected with a vehicle cab, two support plates are arranged on the front side and the rear side of the bottom of the left locking bracket assembly, an accommodating space is formed between the two support plates, holes are formed in the middle of the two support plates, and a pin shaft penetrates between the two holes;
when the cab of the vehicle is not turned over, the lock tongue 7 is popped out to be in a locking state, the pin shaft falls into a through hole formed by the bent part of the lock tongue 7 and the bottom of the groove at the upper end of the left side of the bracket assembly 6a, and the pin shaft is fixed through the lock tongue, so that the left locking bracket assembly 6a is fixed on the left hydraulic lock assembly 5 a;
when the vehicle cab needs to be turned over, the bolt 7 retracts to be in an unlocking state, the left locking support assembly 6a turns upwards along with the vehicle cab to leave the left hydraulic lock assembly 5a, and correspondingly the right locking support assembly 6b leaves the right hydraulic lock assembly 5 b.
And the right interface of the left hydraulic lock assembly 5a is hinged with the top end of the left upper bracket 4a through bolts and nuts.
The bottoms of the left hydraulic lock assembly 5a and the right hydraulic lock assembly 5b are both provided with an oil line interface 11 and a signal line interface 10;
the oil line interface 11 is connected with an oil pipeline of a hydraulic lifting cylinder of the vehicle and drives the switch of the bolt 7 through hydraulic pressure;
the signal line interface 10 is used for judging the state of a bolt switch, and when the left locking support assembly 6a and the right locking support assembly 6b fall down and the bolt 7 is not ejected, a warning signal is output.
Lifting lugs are respectively arranged at the top end and the bottom end of the left air spring shock absorber 2a, the lifting lugs are in a circular ring shape, a rubber bushing is sleeved in a central hole of the circular ring, and a bolt is arranged in the bushing in a penetrating mode;
the top end lifting lug is connected with the left side positioning connecting part of the left hydraulic lock assembly 5a, and the bottom end lifting lug is connected with the left side support of the lower support assembly 1 a.
The integrated cab rear suspension assembly also comprises a height valve assembly 3;
the altitude valve assembly 3 comprises: the height valve assembly comprises a height valve pull rod and a height valve support, wherein the height valve support is fixed on a left upper support 4a, the height valve pull rod is L-shaped, one end of the height valve pull rod is connected with the height valve support, and the other end of the height valve pull rod is connected with a left side positioning part of a left hydraulic lock assembly 5 a;
and a threaded rubber pipe is sleeved outside the joint of the altitude valve pull rod and the altitude valve bracket.
The hydraulic lock assembly is communicated with an oil path of a hydraulic lifting cylinder of a cab, when the cab needs to be turned and maintained, oil is fed into an oil path interface of the hydraulic lock assembly, a lock tongue 7 is bounced off, a locking support assembly is turned upwards along with the cab, when the cab falls back, a pin shaft at the bottom end of the locking support assembly is driven to be inserted into a groove of the hydraulic lock assembly, the oil path interface 11 is fed with oil again to pop out the lock tongue, fixing of the locking support assembly is completed, and if the lock tongue is not locked when the cab falls back, a signal line interface 10 can output a warning signal to prompt outside personnel to check, so that safety is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a suspension assembly behind integral type driver's cabin which characterized in that, it includes: the device comprises a cross beam (9), a left lower support (1a), a right lower support (1b), a left air spring shock absorber assembly (2a), a right air spring shock absorber assembly (2b), a left upper support (4a), a right upper support (4b), a left hydraulic lock assembly (5a), a right hydraulic lock assembly (5b), a left locking support assembly (6a) and a right locking support assembly (6 b);
the left lower support (1a) and the right lower support (1b), the left air spring shock absorber assembly (2a) and the right air spring shock absorber assembly (2b), the left upper support (4a) and the right upper support (4b), the left hydraulic lock assembly (5a) and the right hydraulic lock assembly (5b), the left locking support assembly (6a) and the right locking support assembly (6b) are arranged in a left-right symmetrical mode relative to the cross beam (9);
taking a left lower support (1a), a left air spring shock absorber assembly (2a), a left hydraulic lock assembly (5a) and a left locking bracket assembly (6a) as an example;
the top of the left lower support (1a) is provided with a left supporting part and a right supporting part, the left supporting part is connected with the bottom end of the left air spring shock absorber (2a), and the right supporting part is connected with the bottom end of the left upper support (4 a);
the left hydraulic lock assembly (5a) is transversely arranged, the left side and the right side of the left hydraulic lock assembly are respectively provided with a positioning connecting part, the left positioning connecting part is connected with the top end of the left air spring shock absorber (2a), and the right positioning connecting part is connected with the top end of the left upper bracket (4 a);
a groove is formed in the upper end of the left side of the left hydraulic lock assembly (5a), a lock tongue (7) is arranged at the groove opening of the groove, the bottom of the lock tongue (7) is an arc-shaped bent portion, and when the lock tongue (7) is popped up, the bent portion and the bottom of the groove form a through hole;
the two sides of the cross beam (9) are bent downwards, and the bent parts at the two sides are used for fixing the side walls of the left support (4a) and the right upper support (4b) respectively.
2. The integrated cab rear suspension assembly according to claim 1, wherein the top of the left locking bracket assembly (6a) is fixedly connected with the vehicle cab, two support plates are arranged on the front side and the rear side of the bottom of the left locking bracket assembly, a containing space is formed between the two support plates, a hole is formed in the middle of each support plate, and a pin shaft is arranged between the two holes in a penetrating manner;
when the cab of the vehicle is not turned over, the lock tongue (7) is popped up to be in a locking state, the pin shaft falls into a through hole formed by the bent part of the lock tongue (7) and the bottom of a groove at the upper end of the left side of the bracket assembly (6a), the pin shaft is fixed through the lock tongue, and then the left locking bracket assembly (6a) is fixed on the left hydraulic lock assembly (5 a);
when the vehicle cab needs to be turned over, the bolt (7) retracts to be in an unlocking state, the left locking support assembly (6a) turns over upwards along with the vehicle cab, leaves the left hydraulic lock assembly (5a), and leaves the right hydraulic lock assembly (5b) corresponding to the right locking support assembly (6 b).
3. The integrated cab rear suspension assembly of claim 1, wherein the right side interface of the left hydraulic lock assembly (5a) is hinged with the top end of the left upper bracket (4a) through a bolt and a nut.
4. The integrated cab rear suspension assembly according to claim 1, wherein the oil line interface (11) and the signal line interface (10) are arranged at the bottom of each of the left hydraulic lock assembly (5a) and the right hydraulic lock assembly (5 b);
the oil way connector (11) is connected with an oil pipeline of a hydraulic lifting cylinder of the vehicle and drives a switch of the bolt (7) through hydraulic pressure;
the signal line interface (10) is used for judging the state of a bolt switch, and when the left locking support assembly (6a) and the right locking support assembly (6b) fall down and the bolt (7) is not ejected, a warning signal is output.
5. The integrated cab rear suspension assembly according to claim 1, wherein lifting lugs are respectively arranged at the top end and the bottom end of the left air spring shock absorber (2a), the lifting lugs are annular, a rubber bushing is sleeved in a central hole of the annular, and a bolt is arranged in the bushing in a penetrating manner;
the top lifting lug is connected with the left side positioning connecting part of the left hydraulic lock assembly (5a), and the bottom lifting lug is connected with the left side support of the lower support assembly (1 a).
6. The integrated cab rear suspension assembly as set forth in claim 1 further comprising a altimeter valve assembly (3);
the altitude valve assembly (3) comprises: the height valve assembly comprises a height valve pull rod and a height valve support, wherein the height valve support is fixed on an upper left support (4a), the height valve pull rod is L-shaped, one end of the height valve pull rod is connected with the height valve support, and the other end of the height valve pull rod is connected with a left side positioning part of a left hydraulic lock assembly (5 a);
and a threaded rubber pipe is sleeved outside the joint of the altitude valve pull rod and the altitude valve bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110767054.0A CN113371079A (en) | 2021-07-07 | 2021-07-07 | Integral type driver's cabin rear suspension assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110767054.0A CN113371079A (en) | 2021-07-07 | 2021-07-07 | Integral type driver's cabin rear suspension assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113371079A true CN113371079A (en) | 2021-09-10 |
Family
ID=77581309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110767054.0A Pending CN113371079A (en) | 2021-07-07 | 2021-07-07 | Integral type driver's cabin rear suspension assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113371079A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202193134U (en) * | 2011-08-08 | 2012-04-18 | 江阴圣世杰机械制造有限公司 | Hydraulic lock structure of overturn type driving cab of automobile |
| CN202966460U (en) * | 2012-12-06 | 2013-06-05 | 中国重汽集团济宁商用车有限公司 | Rear-suspension type damping device for lorry cab |
| US20140319876A1 (en) * | 2012-01-18 | 2014-10-30 | Zf Friedrichshafen Ag | Driver's cab suspension device with roll stabilizing means |
| CN205186319U (en) * | 2015-03-26 | 2016-04-27 | 中国北方车辆研究所 | Cab back suspension device |
| CN208931463U (en) * | 2018-10-29 | 2019-06-04 | 安徽江淮汽车集团股份有限公司 | Driver's cabin rear support assembly |
| CN210391348U (en) * | 2019-07-17 | 2020-04-24 | 浙江吉利新能源商用车集团有限公司 | Heavily block rear suspension of driver's cabin and vehicle |
-
2021
- 2021-07-07 CN CN202110767054.0A patent/CN113371079A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202193134U (en) * | 2011-08-08 | 2012-04-18 | 江阴圣世杰机械制造有限公司 | Hydraulic lock structure of overturn type driving cab of automobile |
| US20140319876A1 (en) * | 2012-01-18 | 2014-10-30 | Zf Friedrichshafen Ag | Driver's cab suspension device with roll stabilizing means |
| CN202966460U (en) * | 2012-12-06 | 2013-06-05 | 中国重汽集团济宁商用车有限公司 | Rear-suspension type damping device for lorry cab |
| CN205186319U (en) * | 2015-03-26 | 2016-04-27 | 中国北方车辆研究所 | Cab back suspension device |
| CN208931463U (en) * | 2018-10-29 | 2019-06-04 | 安徽江淮汽车集团股份有限公司 | Driver's cabin rear support assembly |
| CN210391348U (en) * | 2019-07-17 | 2020-04-24 | 浙江吉利新能源商用车集团有限公司 | Heavily block rear suspension of driver's cabin and vehicle |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210910 |
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| RJ01 | Rejection of invention patent application after publication |