CN113715924B - Small and medium-sized multi-adaptation four-wheel drive excavator - Google Patents
Small and medium-sized multi-adaptation four-wheel drive excavator Download PDFInfo
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- CN113715924B CN113715924B CN202110462942.1A CN202110462942A CN113715924B CN 113715924 B CN113715924 B CN 113715924B CN 202110462942 A CN202110462942 A CN 202110462942A CN 113715924 B CN113715924 B CN 113715924B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/04—Endless track vehicles with tracks and alternative ground wheels, e.g. changeable from endless track vehicle into wheeled vehicle and vice versa
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/084—Endless-track units or carriages mounted separably, adjustably or extensibly on vehicles, e.g. portable track units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/30—Track-tensioning means
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- 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
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/2037—Coordinating the movements of the implement and of the frame
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The invention discloses a small and medium-sized multi-adaptive four-drive excavator in the technical field of four-drive excavator driving, which comprises a four-drive system, a switching system, a crawler belt system and a power transmission system, wherein the four-drive system comprises two groups of integral driving shafts, the outer walls of the integral driving shafts are fixedly provided with integral motors, and the two ends of the integral driving shafts are respectively fixedly provided with driving wheels, and the four-drive excavator is characterized in that: the crawler belt system is symmetrically provided with two groups, the crawler belt system comprises crawler wheels, upper wheels, lower wheels and crawler belts which are respectively arranged on the front side and the rear side, the crawler belts are sleeved on the outer walls of the two groups of the crawler wheels, the upper wheels and the lower wheels, the invention can realize the purpose of increasing independent crawler belt mode driving on a road surface with relatively poor road surface strength, increasing the stressed area and the passing rate, and provides four-wheel mode driving on a road surface with relatively high road surface strength, improves the driving speed, has automatic mode switching process, is simple to operate and compact in structure, and has good market prospect.
Description
Technical Field
The invention relates to the technical field of four-wheel drive excavator driving, in particular to a small and medium-sized multi-adaptive four-wheel drive excavator.
Background
The excavator becomes a king of engineering machinery and is widely applied to various occasions, including various severe working conditions, such as quarries and the like.
The invention designs a small and medium-sized multi-adaptive four-wheel drive excavator which is used for solving the problems by adopting different road conditions, adopting a crawler belt for the road with relatively poor road strength, increasing the stressed area, improving the passing rate and four-wheel running for the road with relatively high road strength and improving the running speed.
Disclosure of Invention
The invention aims to provide a small and medium-sized multi-adaptive four-wheel drive excavator, which aims to solve the problems that in the background art, the excavator needs to pass through different road surfaces, a crawler belt is needed for a road surface with relatively poor road surface strength, the stressed area is increased, the passing rate is improved, and the four-wheel drive is needed for a road surface with relatively high road surface strength, so that the driving speed is improved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the four-wheel drive excavator comprises a four-wheel drive system, a switching system, a track system and a power transmission system, wherein the four-wheel drive system comprises two groups of integral driving shafts, integral motors are fixedly arranged on the outer walls of the integral driving shafts, driving wheels are respectively and fixedly arranged at the two ends of the integral driving shafts, the track system is symmetrically provided with two groups of track systems, each track system comprises track wheels, upper wheels, lower wheels and tracks which are respectively arranged on the front side and the rear side, each track system is sleeved on the outer walls of the two groups of track wheels, the upper wheels and the lower wheels, the switching system comprises a mounting bottom plate, a fixing frame and a switching frame, a driving pump and two groups of first motors are fixedly arranged on the tops of the mounting bottom plate, a main shaft is fixedly arranged at the output ends of the first motors, a sliding groove is formed in the outer wall of the main shaft, a sliding wheel is sleeved on the outer wall of the main shaft, the inner cavity of the sliding groove is slidably matched with a sliding strip, two ends of the sliding strip are fixedly connected with the sliding wheel respectively, a plurality of groups of first springs are fixedly arranged on the outer wall of the sliding strip, the other end of the first springs is fixedly connected with the inner wall of the main shaft, an electromagnet is fixedly arranged in the inner cavity of the main shaft and magnetically matched with the sliding strip, a movable wheel is slidably matched with the outer wall of the sliding wheel, an inner cavity is formed in the movable wheel, a second spring is arranged in the inner cavity, two ends of the second spring are fixedly connected with the end wall of the sliding wheel and the inner cavity of the movable wheel respectively, outer teeth are uniformly arranged on the outer wall of the movable wheel, an upper wheel shaft is rotatably matched with the inner cavity of the upper wheel, a lower wheel shaft is rotatably matched with the inner cavity of the lower wheel, a first L-shaped plate is fixedly arranged at one end of the upper wheel shaft, a second L-shaped plate is fixedly arranged at one end of the lower wheel shaft, the utility model provides a hydraulic hose, including the fixed plate, the fixed plate is fixed on the fixed plate, the inner wall of L template and L template No. two is evenly provided with a rack, the fixed plate is including fixed spout and fixed frame, fixed spout and fixed frame fixed connection, fixed spout's inner wall one side evenly sets up No. two racks, the external tooth of loose pulley outer wall respectively with No. one rack and No. two racks meshing, the both ends of integral drive shaft overlap respectively and are equipped with the switch frame, through bearing normal running fit between switch frame and the integral drive shaft, the outer wall cover of integral drive shaft both ends switch frame is equipped with the ring case, ring case and automobile body fixed connection, the inner wall fixed mounting of ring case has a push pedal, the outer wall fixed mounting of switch frame has No. two push pedals, the connecting hole has been seted up to the outer wall of ring case, the connecting hole is located between push pedal No. one and the push pedal No. two, the connecting hole is connected with hydraulic hose, the other end of hydraulic hose converges and connects the drive pump behind the hydraulic manifold, the other end normal running fit of switch frame has the track shaft, the outer wall and track fixedly connected with the track.
Preferably, the power transmission system comprises a transmission belt and an elastic mechanism, the elastic mechanism comprises a side groove formed in the outer wall of the switching frame, a second electromagnet is fixedly arranged at the bottom of the inner cavity of the side groove, a third spring is fixedly arranged at the top of the second electromagnet, a lifting block is fixedly connected with the other end of the third spring, a roller is in running fit with the outer wall of the lifting block, and the roller is matched with the transmission belt.
Preferably, sealing gaskets are arranged in inner cavities at one ends of the first pushing plate and the second pushing plate.
Preferably, the main shaft is located the inner chamber of fixed spout, rectangular groove has been seted up to the lateral wall of a L template and No. two L templates, fixed frame runs through rectangular groove and with rectangular groove sliding fit.
Preferably, the second spring is provided with at least six groups.
Compared with the prior art, the invention has the beneficial effects that: the four-wheel drive system is convenient to install on a road surface with higher strength, the running speed is improved by four-wheel running, the driving shaft is driven to rotate by the integral motor, and the four groups of driving wheels are driven to run by the driving shaft, so that the device can run at a high speed when the crawler belt system does not work; through the arrangement of the switching system, the driving pump is started to pump oil to the inner cavity of the ring box, the second pushing plate is pushed to drive the switching frame to rotate by taking the driving shaft as the circle center through pumping oil between the second pushing plate and the first pushing plate, so that the crawler wheel shaft can fall, the crawler wheel is driven to fall, the crawler wheel and the bottom of the driving wheel are positioned on the same plane, meanwhile, the sliding wheel moves rightwards under the action of the first spring through closing the electromagnet, the movable wheel can move rightwards softly through the arrangement of the second spring, the movable wheel is meshed with the second rack, the tooth beating phenomenon can not occur, the first motor is started, the movable wheel is driven to rotate by the first motor, the first L-shaped plate and the second L-shaped plate are driven to move backwards through the meshing of the movable wheel and the second rack, the upper wheel and the lower wheel are opened, the lower wheel can form a plane with the two groups of crawler wheels, the crawler can form a plane, simultaneously, the crawler belt is tensioned through the rising of the upper wheel, the power is transmitted to the crawler belt wheel through the arrangement of the power transmission system, the lifting block is adsorbed by the second electromagnet to overcome the work of the third spring, the roller presses the transmission belt, the driving shaft can drive the crawler belt wheel shaft to rotate, the power is transmitted to the crawler belt wheel, the device is aimed at the road surface with poor road surface strength through the arrangement of the crawler belt system, the stress area is increased, the passing rate is improved, when the four-wheel driving mode is switched back, the second electromagnet is closed, the transmission belt is loosened, the first motor is started to reversely rotate, the upper wheel and the lower wheel are combined, the driving pump is reversely operated, negative pressure is generated in the ring box, the switching frame drives the crawler belt wheel to lift, the electromagnet is started to leftwards move the sliding wheel, the movable wheel is separated from the second rack, the first rack is meshed, the invention can realize that the independent track mode driving is added to the road surface with relatively poor road surface strength, the stressed area is increased, the passing rate is improved, the four-wheel mode driving is provided to the road surface with relatively high road surface strength, the driving speed is improved, the mode switching process is automatic, the operation is simple, the structure is compact, and the market prospect is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a main view structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic diagram of a structure of the present invention in a depression view;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present invention;
FIG. 6 is a schematic view of the structures of the first L-shaped plate and the second L-shaped plate of the invention;
FIG. 7 is a schematic diagram of a cross-sectional structure of a spindle according to the present invention;
Fig. 8 is a schematic cross-sectional view of a switch frame according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
The hydraulic lifting device comprises a 1-driving wheel, a 2-mounting bottom plate, a 3-driving shaft, a 4-integral motor, a 5-driving pump, a 6-first motor, a 7-track wheel, a 8-track, a 9-lower wheel, a 10-upper wheel, a 11-hydraulic main pipe, a 12-hydraulic hose, a 13-switching frame, a 14-ring box, a 15-second push plate, a 16-first push plate, a 17-sealing gasket, a 18-bearing, a 19-side groove, a 20-lifting block, a 21-second electromagnet, a 22-third spring, a 23-track wheel shaft, a 24-driving belt, a 25-roller, a 26-first L-shaped plate, a 27-second L-shaped plate, a 28-long groove, a 29-second rack, a 30-fixed chute, a 31-first rack, a 32-spindle, a 33-sliding groove, a 34-first spring, a 35-sliding wheel, a 36-movable wheel, a 37-second spring and a 39-fixed frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the four-wheel drive excavator comprises a four-wheel drive system, a switching system, a track system and a power transmission system, wherein the four-wheel drive system comprises two groups of integral driving shafts 3, an integral motor 4 is fixedly arranged on the outer wall of the integral driving shafts 3, driving wheels 1 are respectively and fixedly arranged at two ends of the integral driving shafts 3, the track system is symmetrically provided with two groups of track systems, each track system comprises track wheels 7, upper wheels 10, lower wheels 9 and tracks 8 which are respectively arranged on the front side and the rear side, each track system comprises a track wheel 7, an upper wheel 10 and the outer wall of the lower wheel 9, each track 8 is sleeved on the outer walls of the two groups of track wheels 7, the upper wheels 10 and the lower wheels 9, the switching system comprises a mounting bottom plate 2, a fixing frame and a switching frame 13, a driving pump 5 and two groups of first motors 6 are fixedly arranged on the top of the mounting bottom plate 2, a main shaft 32 is fixedly arranged at the output end of the first motors 6, a sliding groove 33 is formed in the outer wall of the main shaft 32, sliding wheels 35 are sleeved on the outer wall of the main shaft 32, the sliding groove 33 is provided with a sliding bar in a sliding fit manner, two ends of the sliding bar are fixedly connected with the sliding wheel 35 respectively, the outer wall of the sliding bar is fixedly provided with a plurality of groups of first springs 34, the other end of the first springs 34 is fixedly connected with the inner wall of the main shaft 32, the inner cavity of the main shaft 32 is fixedly provided with an electromagnet which is magnetically matched with the sliding bar, the outer wall of the sliding wheel 35 is provided with a movable wheel 36 in a sliding fit manner, the movable wheel 36 is provided with an inner cavity, two ends of the second springs 37 are fixedly connected with the end wall of the sliding wheel 35 and the inner cavity of the movable wheel 36 respectively, the outer wall of the movable wheel 36 is uniformly provided with external teeth, the inner cavity of the upper wheel 10 is rotatably matched with an upper wheel shaft, the inner cavity of the lower wheel 9 is rotatably matched with a lower wheel shaft, one end of the upper wheel shaft is fixedly provided with a first L-shaped plate 26, one end of the lower wheel shaft is fixedly provided with a second L-shaped plate 27, the inner walls of the first L-shaped plate 26 and the second L-shaped plate 27 are uniformly provided with a first rack 31, the fixing frame comprises a fixed sliding groove 30 and a fixed frame 39, the fixed sliding groove 30 and the fixed frame 39 are fixedly connected, one side of the inner wall of the fixed sliding groove 30 is uniformly provided with a second rack 29, external teeth of the outer wall of a movable wheel 36 are respectively meshed with the first rack 31 and the second rack 29, two ends of the integral driving shaft 3 are respectively sleeved with a switching frame 13, the switching frame 13 is in running fit with the integral driving shaft 3 through a bearing 18, the outer walls of the switching frames 13 at two ends of the integral driving shaft 3 are sleeved with a ring box 14, the ring box 14 is fixedly connected with a vehicle body, a first push plate 16 is fixedly arranged on the inner wall of the ring box 14, a second push plate 15 is fixedly arranged on the outer wall of the switching frame 13, a connecting hole is formed in the outer wall of the ring box 14, the connecting hole is positioned between the first push plate 16 and the second push plate 15, the connecting hole is connected with a hydraulic hose 12, the other end of the hydraulic hose 12 is converged to the hydraulic main 11 and then is connected with a driving pump 5, the other end of the switching frame 13 is in running fit with a track wheel shaft 23, and the outer wall of the track wheel 23 is fixedly connected with the track wheel 7.
The power transmission system comprises a transmission belt 24 and an elastic mechanism, the elastic mechanism comprises a side groove 19 formed in the outer wall of the switching frame 13, a second electromagnet 21 is fixedly arranged at the bottom of the inner cavity of the side groove 19, a third spring 22 is fixedly arranged at the top of the second electromagnet 21, the other end of the third spring 22 is fixedly connected with a lifting block 20, rollers 25 are rotatably matched with the outer wall of the lifting block 20, the rollers 25 are matched with the transmission belt 24, sealing gaskets 17 are arranged in the inner cavities of one ends of a first push plate 16 and a second push plate 15, a main shaft 32 is located in the inner cavity of a fixed sliding groove 30, strip grooves 28 are formed in the side walls of a first L-shaped plate 26 and a second L-shaped plate 27, the fixed frame 39 penetrates through the strip grooves 28 and is in sliding fit with the strip grooves 28, and the second spring 37 is at least provided with six groups.
One specific application of this embodiment is: the four-wheel drive system is convenient to install on a road surface with higher road surface strength, the running speed is improved by four-wheel running, the driving shaft 3 is driven to rotate by the integral motor 4, and the four groups of driving wheels 1 are driven to run by the driving shaft 3, so that the device can run at a high speed when the crawler system does not work; through the arrangement of the switching system, the driving pump 5 pumps oil to the inner cavity of the ring box 14, the second push plate 15 and the first push plate 16 are driven to drive the switching frame 13 to rotate by taking the driving shaft 3 as the center of a circle by starting the driving pump 5, the track wheel shaft 23 can drop and drive the track wheel 7 to drop, the track wheel 7 and the bottom of the driving wheel 1 are positioned on a plane, meanwhile, the sliding wheel 35 moves rightwards under the action of the first spring 34 by closing the electromagnet, the movable wheel 36 can move softly rightwards through the arrangement of the second spring 37 and is meshed with the second rack 29, the tooth striking phenomenon cannot occur, the first motor 6 is started, the first motor 6 drives the movable wheel 36 to rotate, the first L-shaped plate 26 and the second L-shaped plate 27 are driven to move backwards through the meshing of the movable wheel 36 and the second rack 29, the upper wheel 10 and the lower wheel 9 are opened, the lower wheel 9 and the two groups of crawler wheels 7 can form a plane, the crawler 8 can form a plane, meanwhile, the crawler 8 is tensioned through the rising of the upper wheel 10, the power is transmitted to the crawler wheels 7 through the arrangement of a power transmission system, the second electromagnet 21 is started to absorb the lifting block 20 to overcome the work of the third spring 22, the rollers 25 are pressed against the transmission belt 24, the driving shaft 3 can drive the crawler wheel shaft 23 to rotate, the power is transmitted to the crawler wheels 7, the device is aimed at the road surface with poor road surface strength through the arrangement of the crawler system, the stressed area is increased, the passing rate is improved, the second electromagnet 21 is closed when the four-wheel driving mode is switched, the transmission belt 24 is loosened, the two groups of upper wheels 10 and the lower wheels 9 are combined through the inversion of the first motor 6, the driving pump 5 is reversely operated, the negative pressure is generated in the ring box 14, the invention can realize that the road surface with relatively poor road surface strength is increased by increasing independent caterpillar mode driving, increasing the stressed area, improving the passing rate, providing four-wheel mode driving for the road surface with relatively high road surface strength, improving the driving speed, realizing automatic mode switching process, simple operation and compact structure and having good market prospect.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The utility model provides a four-wheel drive excavator of small-size many adaptations, includes four-wheel drive system, switching system, track system and power transmission system, four-wheel drive system includes two sets of integral drive shafts (3), the outer wall fixed mounting of integral drive shaft (3) has integral motor (4), the both ends of integral drive shaft (3) are fixed mounting respectively has drive wheel (1), its characterized in that: the crawler belt system is symmetrically provided with two groups, the crawler belt system comprises crawler belt wheels (7), upper wheels (10), lower wheels (9) and crawler belts (8) which are respectively arranged on the front side and the rear side, the crawler belts (8) are sleeved on the outer walls of the two groups of crawler belt wheels (7), the upper wheels (10) and the lower wheels (9), the switching system comprises a mounting bottom plate (2), a fixing frame and a switching frame (13), a driving pump (5) and two groups of first motors (6) are fixedly arranged at the top of the mounting bottom plate (2), a main shaft (32) is fixedly arranged at the output end of the first motor (6), a sliding groove (33) is formed in the outer wall of the main shaft (32), a sliding wheel (35) is sleeved on the outer wall of the main shaft (32), sliding strips are slidingly matched with the inner cavities of the sliding groove (33), two ends of the sliding strips are fixedly connected with the sliding wheel (35), a plurality of first springs (34) are fixedly arranged on the outer walls of the sliding strips, the other ends of the first springs (34) are fixedly connected with the inner walls of the main shaft (32), electromagnets (36) are fixedly arranged in the inner cavities of the sliding wheels (36), the inner cavities of the sliding wheels (36) are fixedly matched with the inner cavities of the sliding wheels (36), the two ends of the second spring (37) are fixedly connected with the end wall of the sliding wheel (35) and the inner cavity of the movable wheel (36) respectively, the outer wall of the movable wheel (36) is uniformly provided with external teeth, the inner cavity of the upper wheel (10) is in running fit with an upper wheel shaft, the inner cavity of the lower wheel (9) is in running fit with a lower wheel shaft, one end of the upper wheel shaft is fixedly provided with a first L-shaped plate (26), one end of the lower wheel shaft is fixedly provided with a second L-shaped plate (27), the inner walls of the first L-shaped plate (26) and the second L-shaped plate (27) are uniformly provided with a first rack (31), the fixed frame comprises a fixed chute (30) and a fixed frame (39), the fixed chute (30) is fixedly connected with the fixed frame (39), one side of the inner wall of the fixed chute (30) is uniformly provided with a second rack (29), the external teeth of the outer wall of the movable wheel (36) are respectively meshed with the first rack (31) and the second rack (29), two ends of the integral driving shaft (3) are respectively sleeved with a switching frame (13), the two ends of the driving shaft (3) are matched with the driving shaft (14) through a bearing (14), the inner wall fixed mounting of ring case (14) has push pedal (16), the outer wall fixed mounting of switching frame (13) has push pedal (15) No. two, the connecting hole has been seted up to the outer wall of ring case (14), the connecting hole is located between push pedal (16) and push pedal (15) No. two, hydraulic hose (12) are connected to the connecting hole, connect drive pump (5) behind hydraulic hose (12) the other end converges hydraulic manifold (11), the other end normal running fit of switching frame (13) has track shaft (23), the outer wall and track wheel (7) fixed connection of track shaft (23).
2. The small and medium sized multi-adaptive four-wheel drive excavator according to claim 1, wherein: the power transmission system comprises a transmission belt (24) and an elastic mechanism, the elastic mechanism comprises a side groove (19) formed in the outer wall of the switching frame (13), a second electromagnet (21) is fixedly arranged at the bottom of an inner cavity of the side groove (19), a third spring (22) is fixedly arranged at the top of the second electromagnet (21), a lifting block (20) is fixedly connected with the other end of the third spring (22), a roller (25) is rotatably matched with the outer wall of the lifting block (20), and the roller (25) is matched with the transmission belt (24).
3. The small and medium sized multi-adaptive four-wheel drive excavator according to claim 1, wherein: and sealing gaskets (17) are arranged in inner cavities at one ends of the first pushing plate (16) and the second pushing plate (15).
4. The small and medium sized multi-adaptive four-wheel drive excavator according to claim 1, wherein: the main shaft (32) is located the inner chamber of fixed spout (30), rectangular groove (28) have been seted up to the lateral wall of L template (26) and L template (27) No. two, fixed frame (39) run through rectangular groove (28) and with rectangular groove (28) sliding fit.
5. The small and medium sized multi-adaptive four-wheel drive excavator according to claim 1, wherein: and the second springs (37) are at least provided with six groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110462942.1A CN113715924B (en) | 2021-04-28 | 2021-04-28 | Small and medium-sized multi-adaptation four-wheel drive excavator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110462942.1A CN113715924B (en) | 2021-04-28 | 2021-04-28 | Small and medium-sized multi-adaptation four-wheel drive excavator |
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| CN113715924A CN113715924A (en) | 2021-11-30 |
| CN113715924B true CN113715924B (en) | 2024-05-03 |
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| WK-10B行走机构设备组成及故障维修;刘群;;企业导报(第18期);全文 * |
| 基于ADAMS的可更换履带轮柔性负重轮系性能仿真研究;吕凯;穆希辉;郭浩亮;赵晓东;杜峰坡;;军械工程学院学报(第04期);全文 * |
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