CN202766204U - Lifting device and mixer truck - Google Patents
Lifting device and mixer truck Download PDFInfo
- Publication number
- CN202766204U CN202766204U CN201220418542.7U CN201220418542U CN202766204U CN 202766204 U CN202766204 U CN 202766204U CN 201220418542 U CN201220418542 U CN 201220418542U CN 202766204 U CN202766204 U CN 202766204U
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- transmission gearbox
- leading screw
- output shaft
- lifting device
- bevel gear
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- Expired - Lifetime
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Abstract
The utility model provides a lifting device which comprises a sleeve and a lead screw, wherein the sleeve is connected with the lead screw in a sleeved mode and transmits in match with the lead screw through thread. The lifting device further comprises an actuator and a transmission box. Axis of an input shaft in the transmission box is perpendicular to that of an output shaft in the transmission box. The output shaft of the transmission box is connected with the lead screw in a coaxial mode. The actuator is connected the input of the transmission box. The utility model further provides a mixer truck. The lifting device and the mixer truck are capable of solving the problem of high adjusting frequency and unstable transmission of the actuator, enduring conveniency for operation of the actuator when a hopper is arranged in the middle, and conforming to ergonomics, low in cost, and convenient to repair and maintain.
Description
Technical field
The utility model relates to engineering machinery field, in particular to a kind of lifting device and a kind of Mixer Truck.
Background technology
At present, the telescoping mechanism of Mixer Truck discharge hopper is comprised of adjust bar, sleeve, handle mostly, regulates lift amount in the spacing hole by handle insertion adjust bar.The lever operated difficulty of this mode, and regulated quantity is large, and not steady, wayward.
A kind of lifting mechanism of fluid control that is is provided in the correlation technique, and still, the running cost of fluid control is too high in this mechanism.
A kind of handle rotary lifting mechanism also is provided in the correlation technique, has comprised handle, leading screw, sleeve, when this structure was put to the middle part at hopper, handle was awkward.
The contriver is in realizing process of the present utility model, and there are the following problems at least to find prior art: lever operated difficulty, and regulated quantity is large, and not steady, wayward; The lifting mechanism of fluid control is made and is controlled cost too high; The lifting mechanism of handle rotary, when hopper was put to the middle part, handle was awkward.
The utility model content
A purpose of the present utility model is, a kind of lifting device is provided, can solve the actuator regulated quantity large, the jiggly problem of transmission when guaranteeing the hopper pendulum to the middle part, is convenient to the actuator operation, more meet Human Engineering Principle, lifting device integral structure cost is low simultaneously, maintenance and easy maintenance, and can realize different transmitting ratios.Another purpose of the present utility model is, a kind of Mixer Truck is provided.
In view of this, the utility model provides a kind of lifting device, comprise sleeve and leading screw, described sleeve is placed on the described leading screw, and described leading screw and described sleeve also comprise actuator and transmission gearbox by the screw thread fit transmission, the axis of the input shaft of described transmission gearbox is vertical with the axis of the output shaft of described transmission gearbox, the output shaft of described transmission gearbox is coaxial with described leading screw, and the output shaft of described transmission gearbox is connected with described leading screw, and described actuator is connected with the input shaft of described transmission gearbox.
By the utility model, solved the actuator regulated quantity large, the jiggly problem of transmission when guaranteeing the hopper pendulum to the middle part, is convenient to lever operatedly, and the lifting device integral structure is simple simultaneously, and cost is low, maintenance and easy maintenance.
In technique scheme, preferably, described transmission gearbox comprises casing, the first finishing bevel gear cuter and the second finishing bevel gear cuter, and described the first finishing bevel gear cuter is installed on an end of the input shaft of described transmission gearbox, and the other end of the input shaft of described transmission gearbox is connected with described actuator; Described the second finishing bevel gear cuter is installed on an end of the output shaft of described transmission gearbox, the other end of the output shaft of described transmission gearbox is connected with described leading screw, described the first finishing bevel gear cuter and described the second finishing bevel gear cuter engaged transmission, the input shaft of described transmission gearbox and the output shaft of described transmission gearbox are rotatably installed on respectively on the described casing.
Two finishing bevel gear cuters engagements becomes radial rotary along leading screw with actuator by the axial rotation along leading screw, more meets the ergonomics requirement, guarantees that rotary manipulation is easier, and the lifting space of hopper is more sufficient.Simultaneously finishing bevel gear cuter is convenient to processing and buying, and compact conformation, efficient is high, the life-span is long, can realize different transmitting ratio.
In technique scheme, preferably, described transmission gearbox also comprises third hand tap gear and the 3rd gear wheel shaft, described third hand tap gear is installed on an end of described the 3rd gear wheel shaft, described the 3rd gear wheel shaft is rotatably installed on the casing of described transmission gearbox, described third hand tap gear and described the second finishing bevel gear cuter engaged transmission, described third hand tap gear and described the first finishing bevel gear cuter are symmetrical arranged with respect to described the second finishing bevel gear cuter.
Increase the third hand tap gear, guaranteed that the radial force of the second finishing bevel gear cuter is more even, prevented its wearing and tearing of the stressed quickening of the second finishing bevel gear cuter one direction, affected service life; Prevent simultaneously the second finishing bevel gear cuter in the situation that one direction is stressed, tooth is taken off at the engagement position.
In technique scheme, preferably, described transmission gearbox comprises the first helical wheel and the second helical wheel, and described the first helical wheel is installed on an end of the input shaft of described transmission gearbox, and the other end of the input shaft of described transmission gearbox is connected with described actuator; Described the second helical wheel is installed on an end of the output shaft of described transmission gearbox, the other end of the output shaft of described transmission gearbox is connected with described leading screw, described the first helical wheel and described the second helical wheel engaged transmission, the input shaft of described transmission gearbox and the output shaft of described transmission gearbox are rotatably installed on respectively on the described casing.
By two helical wheels engagements, actuator is become radial rotary along leading screw by the axial rotation along leading screw, more meet the requirement of ergonomics, guarantee that rotary manipulation is easier, guarantee that the lifting space of hopper is more sufficient.Simultaneously, it is large that helical wheel is passed torque, and starting steadily can realize different transmitting ratios, and the helical wheel manufacturing process is ripe, is convenient to buying, and cost is low.
In technique scheme, preferably, described transmission gearbox comprises worm and worm wheel, and described worm screw is connected with an end of the input shaft of described transmission gearbox, and the other end of the input shaft of described transmission gearbox is connected with described actuator; Described worm gear is installed on an end of the output shaft of described transmission gearbox, the other end of the output shaft of described transmission gearbox is connected with described leading screw, described worm screw and described worm gear engaged transmission, the input shaft of described transmission gearbox and the output shaft of described transmission gearbox are rotatably installed on respectively on the described casing.
By turbine and worm engagement, with actuator by along lead screw shaft to rotation become along the rotation of leading screw side direction, more meet the ergonomics requirement, guarantee that rotary manipulation is easier, the choosing dress space of hopper is more sufficient.The turbine and worm drive mechanism is compact, can realize large transmitting ratio, and load-carrying capacity is strong, and has self-locking performance.
In technique scheme, preferably, the inwall of described sleeve is provided with the thread segment that matches with described leading screw.
Sleeve lining arranges screw thread, cooperates with leading screw, rotates by leading screw, and discharge hopper can be finished the action of lifting and recovery.
In technique scheme, preferably, described sleeve is the tubular structure of inner wall smooth, is fixedly connected with silk braid on the end of described sleeve, and the inwall of described silk braid is provided with the thread segment that matches with described leading screw.
Like this, can avoid on the one hand direct machining screw section on sleeve, reduce technology difficulty, enhance productivity; On the one hand, can also avoid sleeve directly to contact with leading screw in addition, reduce the wearing and tearing to sleeve, prolong its service life.
In technique scheme, preferably, described actuator is rotary handle, and described rotary handle is connected with described input shaft, rotates to drive described the first finishing bevel gear cuter; Or described rotary handle is connected with described the 3rd gear wheel shaft, rotates to drive described third hand tap gear.
Handle arrangement is simple, easily makes, and is not only easy and simple to handle as dynamical element, and low cost of manufacture, is easy for installation and removal; Can according to real work demand and site condition, handle be connected with the first finishing bevel gear cuter or be connected with the third hand tap gear.
In technique scheme, preferably, described actuator is motor or HM Hydraulic Motor.
Motor or HM Hydraulic Motor can provide large moment of rotation as dynamical element, will manually rotate to be converted into the machinery rotation, and work efficiency is effectively promoted, and reduces simultaneously workman's labour intensity, improves the degree of automation of discharge hopper lifting, improves control accuracy.
In addition, the utility model also provides a kind of Mixer Truck, comprise discharge hopper and vehicle frame, each described lifting device in the hinged and technique scheme of one end of described discharge hopper and described vehicle frame, transmission gearbox and described vehicle frame are hinged, and an end of sleeve and the other end of described discharge hopper are hinged, and actuator drives leading screw by transmission gearbox and rotates, described sleeve moves along described leading screw, with the described discharge hopper of lifting.
In sum, the technical scheme that the utility model provides, can solve the actuator regulated quantity large, the jiggly problem of transmission when guaranteeing the hopper pendulum to the middle part, is convenient to the actuator operation, more meet human engineering, lifting device integral structure cost is low simultaneously, maintenance and easy maintenance, and can realize different transmitting ratios.
The lifting device that the utility model can also be provided is applied in the middle of other the mechanical equipment, can't be exhaustive at this, repeat no more, but its application all should be within protection domain of the present utility model.
Description of drawings
Fig. 1 is that the master according to an embodiment of lifting device described in the utility model looks schematic diagram;
Fig. 2 be among Fig. 1 A-A to cutaway view;
Fig. 3 is the local structure schematic diagram according to an embodiment of Mixer Truck described in the utility model;
Fig. 4 is the structural representation according to the another kind of type of belt drive of transmission gearbox described in the utility model;
Fig. 5 is the structural representation according to another type of belt drive of transmission gearbox described in the utility model.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 to Fig. 5:
1 sleeve, 10 discharge hoppers, 11 vehicle frames, 12 handles
2 silk braids, 3 leading screws, 4 snap rings, 5 second finishing bevel gear cuters
6 casings, 61 worm screws, 62 turbines, 7 bearings
71 first helical wheels, 72 second helical wheels
8 first finishing bevel gear cuters, 83 third hand tap gears 831 the 3rd gear wheel shaft
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments the utility model is further described in detail.Need to prove, in the situation that do not conflict, the application's embodiment and the feature among the embodiment can make up mutually.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt and be different from other modes described here and implement, and therefore, protection domain of the present utility model is not subjected to the restriction of following public specific embodiment.
Extremely shown in Figure 5 such as Fig. 1, the present embodiment provides a kind of lifting device, comprise sleeve 1 and leading screw 3, sleeve 1 is placed on the leading screw 3, and leading screw 3 passes through the screw thread fit transmission with sleeve 1, also comprises actuator and transmission gearbox, the axis of the input shaft of transmission gearbox is vertical with the axis of the output shaft of transmission gearbox, the output shaft of transmission gearbox is coaxial with leading screw 3, and the output shaft of transmission gearbox is connected with leading screw 3, and actuator is connected with the input shaft of transmission gearbox.
The technical scheme that the utility model provides has solved the actuator regulated quantity large, and the jiggly problem of transmission when guaranteeing the hopper pendulum to the middle part, is convenient to the operation of handle, and the lifting device integral structure is simple simultaneously, and cost is low, maintenance and easy maintenance.
Preferably, as shown in Figure 2, transmission gearbox comprises that casing 6, the first finishing bevel gear cuter 8 and the second finishing bevel gear cuter 5, the first finishing bevel gear cuters 8 are installed on an end of the input shaft of transmission gearbox, and the other end of the input shaft of transmission gearbox is connected with actuator; The second finishing bevel gear cuter 5 is installed on an end of the output shaft of transmission gearbox, the other end of the output shaft of transmission gearbox is connected with leading screw 3, the first finishing bevel gear cuter 8 and the second finishing bevel gear cuter 5 engaged transmission, the input shaft of transmission gearbox and the output shaft of transmission gearbox are rotatably installed on respectively on the casing 6.
Two finishing bevel gear cuters engagements becomes radial rotary along leading screw with actuator in traditional lifting device by the axial-rotation along leading screw, meets the ergonomics requirement, guarantees that rotary manipulation is easier, and the lifting space of hopper is more sufficient.Simultaneously finishing bevel gear cuter is convenient to processing and buying, and compact conformation, efficient is high, the life-span is long, can realize different transmitting ratio.
Further, as shown in Figure 2, transmission gearbox also comprises third hand tap gear 83 and the 3rd gear wheel shaft 831, third hand tap gear 83 is installed on an end of the 3rd gear wheel shaft 831, the 3rd gear wheel shaft 831 is rotatably installed on the casing 6 of transmission gearbox, third hand tap gear 83 and the second finishing bevel gear cuter 5 engaged transmission, third hand tap gear 83 and the first finishing bevel gear cuter 8 are symmetrical arranged with respect to the second finishing bevel gear cuter 5.
Increased the third hand tap gear, guaranteed that the radial force of the second finishing bevel gear cuter is more even, prevented for second finishing bevel gear cuter one direction stressing influence service life; Prevent simultaneously the second finishing bevel gear cuter in the situation that one direction is stressed, tooth is taken off at the engagement position.
Need to prove, the axis of the first finishing bevel gear cuter, the second finishing bevel gear cuter, third hand tap gear can be in same plane, also can be not in same plane.
Certainly, transmission gearbox of the present utility model also can adopt helical wheel to carry out transmission, as shown in Figure 4: transmission gearbox comprises that the first helical wheel 71 and the second helical wheel 72, the first helical wheels 71 are installed on an end of the input shaft of transmission gearbox, and the other end of the input shaft of transmission gearbox is connected with actuator; The second helical wheel 72 is installed on an end of the output shaft of transmission gearbox, the other end of the output shaft of transmission gearbox is connected with leading screw 3, the first helical wheel 71 and the second helical wheel 72 engaged transmission, the input shaft of transmission gearbox and the output shaft of transmission gearbox are rotatably installed on respectively on the casing 6.
By two helical wheels engagements, actuator in traditional lifting device is become radial rotary along leading screw by the axial-rotation along leading screw, meet the requirement of ergonomics, guarantee that rotary manipulation is easier, guarantee that the lifting space of hopper is more sufficient.Simultaneously, it is large that helical wheel is passed torque, and starting steadily can realize different transmitting ratios, and the helical wheel manufacturing process is ripe, is convenient to buying, and productive costs is low.
In addition, the transmission gearbox in the utility model can also adopt worm and gear to carry out transmission, and as shown in Figure 5: transmission gearbox comprises worm screw 61 and worm gear 62, and worm screw 61 is connected with an end of the input shaft of transmission gearbox, and the other end of the input shaft of transmission gearbox is connected with actuator; Worm gear 62 is installed on an end of the output shaft of transmission gearbox, and the other end of the output shaft of transmission gearbox is connected with leading screw 3, worm screw 61 and worm gear 62 engaged transmission, and the input shaft of transmission gearbox and the output shaft of transmission gearbox are rotatably installed on respectively on the casing 6.
Mesh by turbine and worm, the actuator in traditional lifting device is become along the side direction of leading screw by the axial-rotation along leading screw rotate, more meet the ergonomics requirement, guarantee that rotary manipulation is easier, the choosing dress space of hopper is more sufficient.The turbine and worm drive mechanism is compact, can realize large transmitting ratio, and load-carrying capacity is strong, and has self-locking performance.
In a kind of specific embodiment of the present utility model, the inwall of sleeve 1 is provided with the thread segment that matches with leading screw 3.
Sleeve lining arranges screw thread, cooperates with leading screw, rotates by leading screw, and discharge hopper can be finished the action of lifting and recovery.
In the another kind of specific embodiment of the present utility model, as depicted in figs. 1 and 2, sleeve 1 is the tubular structure of inner wall smooth, is fixedly connected with silk braid 2 on the end of sleeve 1, and the inwall of silk braid 2 is provided with the thread segment that matches with leading screw 3.
Like this, can avoid on the one hand direct machining screw section on sleeve, reduce technology difficulty, enhance productivity; On the one hand, can also avoid sleeve directly to contact with leading screw in addition, reduce the wearing and tearing to sleeve, prolong its service life.
In technique scheme, preferably, described actuator is rotary handle 12, and described rotary handle 12 is connected with described input shaft, rotates to drive described the first finishing bevel gear cuter 8; Or described rotary handle 12 is connected with described the 3rd gear wheel shaft, rotates to drive described third hand tap gear 83.
Handle arrangement is simple, easily makes, and is not only easy and simple to handle as dynamical element, and low cost of manufacture, is easy for installation and removal.
In technique scheme, preferably, actuator is motor or HM Hydraulic Motor.
Motor or HM Hydraulic Motor can provide large moment of rotation as dynamical element, will manually rotate to be converted into the machinery rotation, and work efficiency is effectively promoted, and reduces simultaneously workman's labour intensity, improves the degree of automation of discharge hopper lifting, improves control accuracy.
In addition, as shown in Figures 1 to 3, the utility model also provides a kind of Mixer Truck, comprise discharge hopper 10 and vehicle frame 11, an end and the vehicle frame 11 of discharge hopper 10 are hinged, and transmission gearbox and vehicle frame 11 are hinged, one end of sleeve 1 and the other end of discharge hopper 10 are hinged, actuator drives leading screw 3 by transmission gearbox and rotates, and sleeve 1 moves along leading screw 3, with lifting discharge hopper 10.
Certainly, also can be: an end of sleeve 1 be connected with the output shaft of transmission gearbox, and a section of leading screw 3 is hinged with discharge hopper, and the actuator reciprocating rotating rotates by transmission gearbox band moving sleeve 1, and leading screw 3 moves along the axis of sleeve 1, finishes the discharge hopper lifting and reclaims action.
The principle of work of the present embodiment is:
As shown in Figure 2: rotary handle 12 drives 8 rotations of the first finishing bevel gear cuter, the first finishing bevel gear cuter 8 rotarily drives 5 rotations of the second finishing bevel gear cuter, the second finishing bevel gear cuter 5 drives leading screw 3 rotations, and leading screw 3 rotations make sleeve 1 move along the axial direction of leading screw 3, realize the lifting function of discharge hopper 10.Wherein, handle 12 is detachable, and can be mounted on the input shaft of the left and right sides.
Also can be: rotary handle 12 drives 83 rotations of third hand tap gear, third hand tap gear 83 rotarily drives 5 rotations of the second finishing bevel gear cuter, the second finishing bevel gear cuter 5 drives leading screw 3 rotations, and leading screw 3 rotations make sleeve 1 move along the axial direction of leading screw 3, realize the lifting function of discharge hopper 10.
In sum, the lifting device that the utility model provides, can solve the actuator regulated quantity large, the jiggly problem of transmission when guaranteeing the hopper pendulum to the middle part, is convenient to the actuator operation, more meet human engineering, lifting device integral structure cost is low simultaneously, maintenance and easy maintenance, and can realize different transmitting ratios.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. lifting device, comprise sleeve (1) and leading screw (3), described sleeve (1) is placed on the described leading screw (3), described leading screw (3) passes through the screw thread fit transmission with described sleeve (1), it is characterized in that, also comprise actuator and transmission gearbox, the axis of the input shaft of described transmission gearbox is vertical with the axis of the output shaft of described transmission gearbox, the output shaft of described transmission gearbox is coaxial with described leading screw (3), the output shaft of described transmission gearbox is connected with described leading screw (3), and described actuator is connected with the input shaft of described transmission gearbox.
2. lifting device according to claim 1, it is characterized in that, described transmission gearbox comprises casing (6), the first finishing bevel gear cuter (8) and the second finishing bevel gear cuter (5), described the first finishing bevel gear cuter (8) is installed on an end of the input shaft of described transmission gearbox, and the other end of the input shaft of described transmission gearbox is connected with described actuator; Described the second finishing bevel gear cuter (5) is installed on an end of the output shaft of described transmission gearbox, the other end of the output shaft of described transmission gearbox is connected with described leading screw (3), described the first finishing bevel gear cuter (8) and described the second finishing bevel gear cuter (5) engaged transmission, the input shaft of described transmission gearbox and the output shaft of described transmission gearbox are rotatably installed on respectively on the described casing (6).
3. lifting device according to claim 2, it is characterized in that, described transmission gearbox also comprises third hand tap gear (83) and the 3rd gear wheel shaft (831), described third hand tap gear (83) is installed on an end of described the 3rd gear wheel shaft (831), described the 3rd gear wheel shaft (831) is rotatably installed on the casing (6) of described transmission gearbox, described third hand tap gear (83) and described the second finishing bevel gear cuter (5) engaged transmission, described third hand tap gear (83) and described the first finishing bevel gear cuter (8) are symmetrical arranged with respect to described the second finishing bevel gear cuter (5).
4. lifting device according to claim 1, it is characterized in that, described transmission gearbox comprises the first helical wheel (71) and the second helical wheel (72), described the first helical wheel (71) is installed on an end of the input shaft of described transmission gearbox, and the other end of the input shaft of described transmission gearbox is connected with described actuator; Described the second helical wheel (72) is installed on an end of the output shaft of described transmission gearbox, the other end of the output shaft of described transmission gearbox is connected with described leading screw (3), described the first helical wheel (71) and described the second helical wheel (72) engaged transmission, the input shaft of described transmission gearbox and the output shaft of described transmission gearbox are rotatably installed on respectively on the described casing (6).
5. lifting device according to claim 1, it is characterized in that, described transmission gearbox comprises worm screw (61) and worm gear (62), and described worm screw (61) is connected with an end of the input shaft of described transmission gearbox, and the other end of the input shaft of described transmission gearbox is connected with described actuator; Described worm gear (62) is installed on an end of the output shaft of described transmission gearbox, the other end of the output shaft of described transmission gearbox is connected with described leading screw (3), described worm screw (61) and described worm gear (62) engaged transmission, the input shaft of described transmission gearbox and the output shaft of described transmission gearbox are rotatably installed on respectively on the described casing (6).
6. each described lifting device in 5 according to claim 1 is characterized in that, the inwall of described sleeve (1) is provided with the thread segment that matches with described leading screw (3).
7. each described lifting device in 5 according to claim 1, it is characterized in that, described sleeve (1) is the tubular structure of inner wall smooth, be fixedly connected with silk braid (2) on one end of described sleeve (1), the inwall of described silk braid (2) is provided with the thread segment that matches with described leading screw (3).
8. lifting device according to claim 7 is characterized in that, described actuator is rotary handle (12), and described rotary handle (12) is connected with described input shaft, rotates to drive described the first finishing bevel gear cuter (8); Or described rotary handle (12) is connected with described the 3rd gear wheel shaft, rotates to drive described third hand tap gear (83).
9. lifting device according to claim 7 is characterized in that, described actuator is motor or HM Hydraulic Motor.
10. Mixer Truck, comprise discharge hopper (10) and vehicle frame (11), one end of described discharge hopper (10) and described vehicle frame (11) are hinged, it is characterized in that, also comprise such as each described lifting device in the claim 1 to 9, transmission gearbox and described vehicle frame (11) are hinged, the other end of one end of sleeve (1) and described discharge hopper (10) is hinged, actuator drives leading screw (3) by transmission gearbox and rotates, described sleeve (1) is mobile along described leading screw (3), with the described discharge hopper of lifting (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220418542.7U CN202766204U (en) | 2012-08-22 | 2012-08-22 | Lifting device and mixer truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220418542.7U CN202766204U (en) | 2012-08-22 | 2012-08-22 | Lifting device and mixer truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202766204U true CN202766204U (en) | 2013-03-06 |
Family
ID=47772792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220418542.7U Expired - Lifetime CN202766204U (en) | 2012-08-22 | 2012-08-22 | Lifting device and mixer truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202766204U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128982A (en) * | 2015-07-17 | 2015-12-09 | 安徽四创电子股份有限公司 | Low-center-of-gravity trailer having elevating mechanism |
| CN105712248A (en) * | 2016-04-18 | 2016-06-29 | 苏州市汉诺威升降台有限公司 | Hand lifting mechanism |
| CN106346612A (en) * | 2016-09-07 | 2017-01-25 | 江苏大学 | Lifting vibration type cement mortar agitation mechanism |
| CN109267495A (en) * | 2018-11-22 | 2019-01-25 | 上海洪铺钢结构工程有限公司 | A kind of jacking device |
-
2012
- 2012-08-22 CN CN201220418542.7U patent/CN202766204U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128982A (en) * | 2015-07-17 | 2015-12-09 | 安徽四创电子股份有限公司 | Low-center-of-gravity trailer having elevating mechanism |
| CN105712248A (en) * | 2016-04-18 | 2016-06-29 | 苏州市汉诺威升降台有限公司 | Hand lifting mechanism |
| CN106346612A (en) * | 2016-09-07 | 2017-01-25 | 江苏大学 | Lifting vibration type cement mortar agitation mechanism |
| CN109267495A (en) * | 2018-11-22 | 2019-01-25 | 上海洪铺钢结构工程有限公司 | A kind of jacking device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130502 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130502 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee after: Sany Automobile Manufacturing Co.,Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: SANY HEAVY INDUSTRY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
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| CX01 | Expiry of patent term |