CN114855917A - Loader air conditioning system - Google Patents
Loader air conditioning system Download PDFInfo
- Publication number
- CN114855917A CN114855917A CN202210754967.3A CN202210754967A CN114855917A CN 114855917 A CN114855917 A CN 114855917A CN 202210754967 A CN202210754967 A CN 202210754967A CN 114855917 A CN114855917 A CN 114855917A
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- Prior art keywords
- assembly
- air
- condenser
- compressor
- evaporator
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 30
- 238000005452 bending Methods 0.000 claims description 19
- 230000005494 condensation Effects 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 9
- 230000035939 shock Effects 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H1/00028—Constructional lay-out of the devices in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00514—Details of air conditioning housings
- B60H1/00535—Mounting or fastening of the housing to the vehicle
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/16—Cabins, platforms, or the like, for drivers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an air conditioning system of a loader, which relates to the field of air conditioners of engineering machinery and comprises a cab framework, a rear frame framework, a compressor assembly, a condenser assembly, an evaporator assembly, a joint pipeline assembly and an air conditioning air duct assembly. The driver's cabin skeleton sets up on back frame skeleton, compressor unit mount is inboard in the left side of back frame skeleton, the right side at the driver's cabin skeleton is installed to the condenser unit mount, the evaporimeter subassembly sets up the anterolateral side at the driver's cabin skeleton, the joint pipeline subassembly will compressor unit spare, condenser unit spare and evaporimeter subassembly interconnect, air conditioner air duct subassembly links to each other with the condenser subassembly, installs inboard before the driver's cabin skeleton. The invention solves the problem that the air conditioner, the compressor assembly, the evaporator assembly and the condenser assembly of the existing loader occupy too large space, reasonably utilizes the space of a cab and a frame, shortens the air duct stroke, effectively improves the comfort of the cab and effectively improves the maintainability.
Description
Technical Field
The invention relates to an air conditioning system of a loader, and belongs to the technical field of air conditioners of engineering machinery.
Background
The loader is widely used in outdoor construction fields such as various capital constructions, the construction environment is very severe in summer, the cab of the loader is the most direct environment for drivers, and the activity space and the temperature control of the environment are very important. The existing air conditioning system of the loader occupies the limited cab space of the loader, so that the limited space becomes more restricted; most of air outlets of the loader air conditioner are arranged on the front wall part of the cab, the stroke of an air duct of the existing loader air conditioner is also longer, air duct materials are wasted, and temperature change is slow; in addition, the installation, debugging and maintenance of the whole air conditioning system are inconvenient.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the loader air conditioning system, which aims to solve the problems of compact cab space and waste of air duct materials, reduce the cost, improve the comfort level of the cab and improve the convenience of the integral installation, debugging and maintenance of the air conditioning system.
The invention is realized by the following technical scheme: a loader air conditioning system characterized by: the air conditioner comprises a cab framework, a rear frame framework, a compressor assembly, a condenser assembly, an evaporator assembly, a joint pipeline assembly and an air conditioner air duct assembly, wherein the cab framework is arranged on the rear frame framework, and the compressor assembly is arranged on the left inner side of the rear frame framework; the condenser assembly is arranged on the right side of the cab framework; the evaporator assembly is arranged on the front side of the cab framework; the joint pipeline assembly interconnects the compressor assembly, the condenser assembly and the evaporator assembly; the air conditioner air duct assembly is installed on the front side of the cab framework and connected with the evaporator assembly.
The compressor assembly include compressor mounting bracket, compressor support, shock pad, bush and compressor assembly, the compressor mounting bracket is installed in the inboard of back frame skeleton, the compressor support sets up on the compressor mounting bracket, the shock pad is all installed on the compressor support with the bush, the compressor assembly is fixed in on the compressor support through bolt, packing ring and nut.
The condenser subassembly include condenser mounting panel, condenser assembly and condenser cover, the condenser mounting panel passes through the bolt fastening on driver's cabin skeleton right side, the condenser assembly sets up on the condenser mounting panel, the condenser assembly comprises condensation core and condensation fan, the condenser cover is fixed on driver's cabin skeleton right side.
The evaporimeter subassembly include evaporimeter assembly, apron, rubber end cap and evaporimeter cover, the evaporimeter assembly passes through the bolt fastening at the front side of driver's cabin skeleton, the evaporimeter assembly comprises casing apron, fan mounting panel, filter core mounting panel and casing dustcoat, the bottom plate front side at the driver's cabin skeleton is installed to the apron, the rubber end cap sets up on the apron, the anterolateral side at the driver's cabin skeleton is fixed to the evaporimeter cover.
The joint pipeline assembly comprises a pressure-cold-bending pipeline, a cold-steam-bending pipeline, a steam-pressure-bending pipeline and a rubber pressing plate, the pressure-cold-bending pipeline is formed by sequentially connecting a condenser air inlet joint, a pressure-turning hose, a pressure-cold transition hard pipe, a cold-bending hose and a compressor exhaust joint, the condenser air inlet joint is installed at an air inlet of a condensing fan, and the compressor exhaust joint is connected with an exhaust port of a compressor assembly; the cold evaporation bent pipeline consists of a condenser special-shaped joint, a cold evaporation bent hose and an evaporator special-shaped joint, the condenser special-shaped joint is connected with an exhaust port of the condensation core, and the evaporator special-shaped joint is connected with an air inlet of the evaporator assembly; the steam-pressure bent pipe path consists of an air suction port connector of the electric compressor, a special-shaped connector of the evaporator and a steam-pressure bent hose, wherein the air suction port connector of the electric compressor is connected with an air inlet of the compressor assembly, and the special-shaped connector of the evaporator is connected with an air outlet of the evaporator assembly; the rubber pressing plates are fixed together through bolts.
The air conditioner air duct assembly comprises an air chamber, a left air duct, a right air duct, a front interior and an air conditioner air outlet, the air chamber is connected with the bottom of the evaporator assembly, the left air duct and the right air duct are respectively arranged at the air outlet and the air outlet of the air chamber, the front interior is arranged on the front inner side of the cab framework and is connected with the left air duct and the right air duct, and the air conditioner air outlet comprises three air outlets which are all arranged on the front interior and are communicated with the left air duct and the right air duct.
The invention has the beneficial effects that: according to the invention, the air conditioner condenser is laterally arranged, the evaporator is preposed, and the compressor is arranged below the rear frame, so that more space is reserved for a cab, the pipeline connection stroke between air conditioning systems is very short, and the air conditioning systems are more convenient to install, debug and maintain; the invention leads the air conditioner evaporator to be arranged in front, shortens the stroke of cold air, leads the temperature in the cab to change more quickly, reduces the material of an air duct and effectively reduces the cost.
Drawings
The invention is further illustrated below with reference to the figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the compressor assembly of the present invention;
FIG. 3 is an enlarged view of FIG. 2A;
FIG. 4 is a schematic view of the compressor assembly, condenser assembly, evaporator assembly and junction block assembly of the present invention interconnected;
FIG. 5 is a schematic diagram of a condenser assembly according to the present invention;
FIG. 6 is a schematic view of a portion of the evaporator assembly provided in accordance with the present invention;
FIG. 7 is a schematic structural view of an air conditioning duct assembly according to the present invention;
fig. 8 is a schematic view of the evaporator assembly of the present invention.
In the figure: 1. a cab framework; 2. a rear frame skeleton; 3. a compressor assembly; 4. a condenser assembly; 5. an evaporator assembly; 6. a connector line assembly; 7. an air conditioning duct assembly; 31. a compressor mounting bracket; 32. a compressor bracket; 33. a shock pad; 34. a bushing; 41. a condenser mounting plate; 42. a condenser assembly; 43. a condenser cover; 421. a condenser core; 422. a condensing fan; 51. an evaporator assembly; 52. a cover plate; 53. a rubber plug; 54. an evaporator cover; 511. a housing cover plate; 512. a fan mounting plate; 513. a cartridge support plate; 514. a housing shell; 61. pressing the cold bending pipeline; 62. cold-steaming the bent pipeline; 63. steam-pressing the bent pipeline; 64. a rubber press plate; 611. a condenser air inlet joint; 612. pressing a turning hose; 613. pressing and cooling the transition hard pipe; 614. turning the cold bending hose; 615. a compressor discharge fitting; 621. a condenser special-shaped joint; 622. cold steaming and bending the hose; 623. the special-shaped joint of the evaporator; 631. the suction port joint of the electric compressor; 632. the special-shaped joint of the evaporator; 633. autoclaved bent hoses; 71. a wind cavity; 72. a left air duct; 73. a right air duct; 74. front inner decoration; 75. and an air outlet of the air conditioner.
Detailed Description
A loader air conditioning system as shown in fig. 1 to 8, characterized in that: the air conditioner comprises a cab framework 1, a rear frame framework 2, a compressor assembly 3, a condenser assembly 4, an evaporator assembly 5, a joint pipeline assembly 6 and an air conditioner air duct assembly 7, wherein the cab framework 1 is fixed on the rear frame framework 2 through a shock absorber and bolts so as to reduce the vibration of a cab; the compressor component 3 is installed on the left inner side of the rear frame framework 2 in a bolt connection mode; the condenser assembly 4 is arranged below a right window of the cab framework 1 through a bolt; the evaporator assembly 5 is fixedly connected with the front side of the cab framework 1 by adopting reinforcing ribs and bolts; the joint pipeline assembly 6 is connected with a hose through a bent pipe to communicate the compressor assembly 3, the condenser assembly 4 and the evaporator assembly 5 with each other; and the air conditioner air duct assembly 7 is fixed on the front side inside the cab framework 1 by adopting bolt connection and is buckled and connected with the air outlet of the evaporator assembly 5.
Compressor unit spare 3 include compressor mounting bracket 31, compressor support 32, shock pad 33, bush 34 and compressor assembly 35, compressor mounting bracket 31 is installed in the inboard of back frame skeleton 2, arranges driver's cabin skeleton 1's below in, and this design makes air conditioning system's installation, debugging and maintenance convenient, compressor support 32 sets up on compressor mounting bracket 31 through the bolt, on shock pad 33 and bush 34 are fixed in compressor assembly 35 on compressor support 32 through bolt, packing ring and nut, this design can make the steady and reliable operation of compressor.
Condenser subassembly 4 include condenser mounting panel 41, condenser assembly 42 and condenser cover 43, condenser mounting panel 41 passes through the bolt fastening and is outer panel under 1 right side door window of driver's cabin skeleton, so that will condenser assembly 42 is fixed, condenser assembly 42 sets up on condenser mounting panel 41, condenser assembly 42 comprises condensation core 421 and condensation fan 422, condenser cover 43 is fixed on 1 right side of driver's cabin skeleton, and the groove is opened on the condenser cover 43 upper portion that this design adopted, makes condenser assembly 42 can effectively dispel the heat.
The evaporator assembly 5 comprises an evaporator assembly 51, a cover plate 52, a rubber plug 53 and an evaporator cover 54, the evaporator assembly 51 is fixed on the front side of the cab framework 1 through bolts, the evaporator assembly 51 comprises a shell cover plate 511, a fan mounting plate 512, a filter element support plate 513 and a shell cover 514, the cover plate 52 is mounted on the front side of the bottom plate of the cab framework 1, the rubber plug 53 is arranged on the cover plate 52 and plugs unused mounting holes to improve the sealing performance of the cab, and the evaporator cover 54 is fixed on the front outer side of the cab framework 1.
The joint pipeline component 6 comprises a press-cold bending pipeline 61, a cold-steam bending pipeline 62, an autoclaved bending pipeline 63 and a rubber pressing plate 64, wherein the press-cold bending pipeline 61 is formed by sequentially connecting a condenser air inlet joint 611, a press-turning hose 612, a press-cold transition hard pipe 613, a press-cold turning hose 614 and a compressor exhaust joint 615, the condenser air inlet joint 611 is installed at an air inlet of a condensing fan 422, and the compressor exhaust joint 615 is connected with an air outlet of a compressor assembly 35; the cold evaporation bent pipeline 62 consists of a condenser special-shaped joint 621, a cold evaporation bent hose 622 and an evaporator special-shaped joint 623, the condenser special-shaped joint 621 is connected with an exhaust port of the condensation core 421, and the evaporator special-shaped joint 623 is connected with an air inlet of the evaporator assembly 51; the steam-pressure bending pipeline 63 consists of an electric compressor air suction port connector 631, an evaporator special-shaped connector 632 and a steam-pressure bending hose 633, wherein the electric compressor air suction port connector 631 is connected with an air inlet of the compressor assembly 35, and the evaporator special-shaped connector 632 is connected with an air outlet of the evaporator assembly 51; the rubber pressing plate 64 is fixed together through bolts, the design enables the installation of the hose of the air conditioning system to be convenient, and the hose material and the space can be saved.
Air conditioner wind channel subassembly 7 includes wind chamber 71, left wind channel 72, right wind channel 73, preceding interior trim 74 and air-conditioning outlet 75, wind chamber 71 is connected with the bottom of evaporimeter assembly 51, left wind channel 72 sets up respectively in the air outlet department of wind chamber 71 with right wind channel 73, preceding interior trim 74 is installed in the preceding inboard of driver's cabin skeleton 1 and is connected with left wind channel 72 and right wind channel 73, air-conditioning outlet 75 includes three kinds of air outlets, all installs in the front on the interior trim 74 and communicates with each other with left wind channel 72 and right wind channel 73, and air-conditioning outlet makes the change of the temperature sensing that the driver can be even, improves its travelling comfort.
The invention utilizes the space in the front of the cab, can vacate more activity space for the driver, and obviously improves the comfort of the driver. The air conditioner evaporator is arranged in front, so that the air duct stroke of the cab is obviously shortened, the material cost is saved, and the temperature in the cab can be quickly changed when the air conditioner is started, so that a driver can quickly have a comfortable driving environment, and the production efficiency is improved.
Claims (6)
1. A loader air conditioning system characterized by: the air conditioner comprises a cab framework (1), a rear frame framework (2), a compressor assembly (3), a condenser assembly (4), an evaporator assembly (5), a joint pipeline assembly (6) and an air conditioner air duct assembly (7), wherein the cab framework (1) is arranged on the rear frame framework (2), and the compressor assembly (3) is arranged on the left inner side of the rear frame framework (2); the condenser assembly (4) is arranged on the right side of the cab framework (1); the evaporator assembly (5) is arranged on the front side of the cab framework (1); the joint pipeline assembly (6) connects the compressor assembly (3), the condenser assembly (4) and the evaporator assembly (5) to each other; the air-conditioning air duct assembly (7) is installed on the front side of the cab framework (1) and is connected with the evaporator assembly (5).
2. The loader air conditioning system of claim 1, wherein: compressor unit spare (3) include compressor mounting bracket (31), compressor support (32), shock pad (33), bush (34) and compressor assembly (35), install in the inboard of back frame skeleton (2) compressor mounting bracket (31), compressor support (32) set up on compressor mounting bracket (31), shock pad (33) and bush (34) are all installed on compressor support (32), compressor assembly (35) are fixed in on compressor support (32) through bolt, packing ring and nut.
3. The loader air conditioning system of claim 1, wherein: condenser subassembly (4) include condenser mounting panel (41), condenser assembly (42) and condenser cover (43), condenser mounting panel (41) pass through the bolt fastening in driver's cabin skeleton (1) right side, condenser assembly (42) set up on condenser mounting panel (41), condenser assembly (42) comprise condensation core (421) and condensation fan (422), condenser cover (43) are fixed on driver's cabin skeleton (1) right side.
4. The loader air conditioning system of claim 1, wherein: evaporator assembly (5) including evaporator assembly (51), apron (52), rubber end cap (53) and evaporator cover (54), evaporator assembly (51) pass through the bolt fastening at the front side of driver's cabin skeleton (1), evaporator assembly (51) comprise casing apron (511), fan mounting panel (512), filter core mounting panel (513) and casing dustcoat (514), the bottom plate front side at driver's cabin skeleton (1) is installed in apron (52), rubber end cap (53) set up on apron (52), the preceding outside at driver's cabin skeleton (1) is fixed in evaporator cover (54).
5. The loader air conditioning system of claim 1, wherein: the joint pipeline assembly (6) comprises a cold pressing and bending pipeline (61), a cold steaming and bending pipeline (62), an autoclaved elbow pipeline (63) and a rubber pressing plate (64), wherein the cold pressing and bending pipeline (61) is formed by sequentially connecting a condenser air inlet joint (611), a pressure turning hose (612), a cold pressing transition hard pipe (613), a cold turning hose (614) and a compressor exhaust joint (615), the condenser air inlet joint (611) is installed at an air inlet of a condensing fan (422), and the compressor exhaust joint (615) is connected with an air outlet of a compressor assembly (35); the cold evaporation bent pipeline (62) consists of a condenser special-shaped joint (621), a cold evaporation bent hose (622) and an evaporator special-shaped joint (623), the condenser special-shaped joint (621) is connected with an exhaust port of the condensation core body (421), and the evaporator special-shaped joint (623) is connected with an air inlet of the evaporator assembly (51); the steam-pressure bending pipeline (63) consists of an electric compressor air suction port connector (631), an evaporator special-shaped connector (632) and a steam-pressure bending hose (633), the electric compressor air suction port connector (631) is connected with an air inlet of the compressor assembly (35), and the evaporator special-shaped connector (632) is connected with an air outlet of the evaporator assembly (51); the rubber pressing plates (64) are fixed together through bolts.
6. The loader air conditioning system of claim 1, wherein: the air-conditioning air duct assembly (7) comprises an air chamber (71), a left air duct (72), a right air duct (73), a front interior (74) and an air-conditioning air outlet (75), wherein the air chamber (71) is connected with the bottom of the evaporator assembly (51), the left air duct (72) and the right air duct (73) are respectively arranged at the air outlet of the air chamber (71), the front interior (74) is arranged on the front inner side of the cab framework (1) and connected with the left air duct (72) and the right air duct (73), and the air-conditioning air outlet (75) comprises three air outlets which are all arranged on the front interior (74) and communicated with the left air duct (72) and the right air duct (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210754967.3A CN114855917A (en) | 2022-06-30 | 2022-06-30 | Loader air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210754967.3A CN114855917A (en) | 2022-06-30 | 2022-06-30 | Loader air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114855917A true CN114855917A (en) | 2022-08-05 |
Family
ID=82625810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210754967.3A Withdrawn CN114855917A (en) | 2022-06-30 | 2022-06-30 | Loader air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114855917A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1545456A (en) * | 2002-05-14 | 2004-11-10 | �¿��ر���������ʽ���� | Air-conditioner of construction machinery |
| CN2665220Y (en) * | 2003-10-28 | 2004-12-22 | 三一重工股份有限公司 | Full-hydraulic bulldozer air-conditioning plant |
| KR20050041935A (en) * | 2003-10-31 | 2005-05-04 | 히다찌 겐끼 가부시키가이샤 | Construction machine |
| JP2005240427A (en) * | 2004-02-26 | 2005-09-08 | Shin Caterpillar Mitsubishi Ltd | Cab |
| CN201257635Y (en) * | 2008-09-27 | 2009-06-17 | 徐州工业职业技术学院 | Integrated rubber tube clip |
| CN201695420U (en) * | 2010-04-16 | 2011-01-05 | 山推工程机械股份有限公司 | Air-conditioning system of bulldozer |
| CN108316371A (en) * | 2018-02-05 | 2018-07-24 | 罗弟容 | Multifunctional excavator |
| CN112227437A (en) * | 2020-10-20 | 2021-01-15 | 中联重科股份有限公司 | Driver's cabin and skid-steer loader of skid-steer loader |
-
2022
- 2022-06-30 CN CN202210754967.3A patent/CN114855917A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1545456A (en) * | 2002-05-14 | 2004-11-10 | �¿��ر���������ʽ���� | Air-conditioner of construction machinery |
| CN2665220Y (en) * | 2003-10-28 | 2004-12-22 | 三一重工股份有限公司 | Full-hydraulic bulldozer air-conditioning plant |
| KR20050041935A (en) * | 2003-10-31 | 2005-05-04 | 히다찌 겐끼 가부시키가이샤 | Construction machine |
| JP2005240427A (en) * | 2004-02-26 | 2005-09-08 | Shin Caterpillar Mitsubishi Ltd | Cab |
| CN201257635Y (en) * | 2008-09-27 | 2009-06-17 | 徐州工业职业技术学院 | Integrated rubber tube clip |
| CN201695420U (en) * | 2010-04-16 | 2011-01-05 | 山推工程机械股份有限公司 | Air-conditioning system of bulldozer |
| CN108316371A (en) * | 2018-02-05 | 2018-07-24 | 罗弟容 | Multifunctional excavator |
| CN112227437A (en) * | 2020-10-20 | 2021-01-15 | 中联重科股份有限公司 | Driver's cabin and skid-steer loader of skid-steer loader |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220805 |
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| WW01 | Invention patent application withdrawn after publication |