CN111335379A - Self-rescue equipment for bulldozer trapped in puddle - Google Patents
Self-rescue equipment for bulldozer trapped in puddle Download PDFInfo
- Publication number
- CN111335379A CN111335379A CN202010322307.9A CN202010322307A CN111335379A CN 111335379 A CN111335379 A CN 111335379A CN 202010322307 A CN202010322307 A CN 202010322307A CN 111335379 A CN111335379 A CN 111335379A
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- Prior art keywords
- bevel gear
- shaft
- gear
- butt joint
- power
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
- B60S9/04—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting mechanically
-
- 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
- E02F9/24—Safety devices, e.g. for preventing overload
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses self-rescue equipment after a bulldozer sinks into a puddle, which comprises an additional equipment body arranged at the rear part of the bulldozer, wherein a telescopic cavity is arranged in the additional equipment body, a telescopic mechanism is arranged in the telescopic cavity, a power arm is arranged in the telescopic cavity in a left-right sliding manner, a steering cavity is arranged at the right part of the power arm, a steering mechanism is arranged in the steering cavity, the equipment is arranged behind the bulldozer, when the bulldozer sinks into a puddle or cannot pull out automatically in a marsh in the advancing process, the equipment is started, a power arm can extend out from the rear part of a vehicle body, a device capable of fixing the equipment into firm ground is arranged at the tail end of the power arm, and the bulldozer can be pulled out of the puddle by a reaction force after the power arm is retracted after the device is fixed.
Description
Technical Field
The invention relates to the technical field of bulldozers, in particular to self-rescue equipment for a bulldozer after being sunk into a puddle.
Background
The bulldozer is an earthwork machine capable of excavating, transporting and discarding rock soil, plays an important role in western development in China, but because the geographical conditions of western plateau areas are poor, the body of the bulldozer is easy to sink into a sand pit or a marshland, meanwhile, western traffic is inconvenient, people have little smoke and effective assistance is difficult to obtain, so that the bulldozer needs to be provided with self-rescue equipment capable of coping with the need when the crisis occurs.
Disclosure of Invention
Aiming at the technical defects, the invention provides self-rescue equipment for a bulldozer after the bulldozer sinks into a puddle, which can overcome the defects.
The self-rescue equipment comprises an additional equipment body arranged at the rear part of the bulldozer, wherein a telescopic cavity is arranged in the additional equipment body, a telescopic mechanism is arranged in the telescopic cavity, a power arm is arranged in the telescopic cavity in a left-right sliding mode, a steering cavity is arranged at the right part of the power arm, and a steering mechanism is arranged in the steering cavity; the steering mechanism comprises a spline shaft which is rotatably installed in the power arm, a butt joint drive bevel gear is installed on the right side of the spline shaft and is meshed with the butt joint drive bevel gear, the butt joint drive bevel gear is rotatably installed in the power arm, a butt joint rotating shaft is rotatably installed in the power arm, a fixed installation block is installed on the butt joint rotating shaft, a ground gripping power shaft is rotatably installed in the fixed installation block, a butt joint bevel gear is installed at the lower end of the ground gripping power shaft, and the left side of the butt joint bevel gear can be meshed with the butt joint drive bevel gear after the fixed installation block rotates; the ground drilling mechanism comprises a threaded sleeve rotatably mounted in the fixed mounting block, a threaded pressure rod is mounted in the threaded sleeve in a threaded manner, a nail head is arranged on the right side of the threaded pressure rod, a mounting plate is fixedly mounted on the left side of the threaded pressure rod, a guide rod is fixedly mounted on the mounting plate, and the guide rod is slidably mounted in the fixed mounting block; be provided with the supporting leg sliding chamber in the fixed mounting piece, be provided with supporting mechanism in the supporting leg sliding chamber, supporting mechanism include the horizontal slidable mounting in support installation slide bar in the fixed mounting piece, support installation slide bar left side and rotate and install the supporting leg, rotate in the supporting leg and install the connecting rod, the connecting rod rotates and installs on the supporting slider, the supporting slider horizontal slidable mounting in support in the installation slide bar, the supporting slider right side be provided with support the tension spring of installation sliding rod connection, slidable mounting has four dogs in the fixed mounting piece, be provided with on the dog with the spacing spring that the fixed mounting piece is connected.
Beneficially, the telescopic mechanism comprises a motor arranged in the machine body, a threaded shaft is connected to the right side of the motor, the threaded shaft is rotatably mounted in the machine body, the power arm is threadedly mounted on the threaded shaft, a main driving gear is fixedly mounted on the left side of the threaded shaft, a main driving gear is meshed and connected to the lower side of the main driving gear, the main driving gear is fixedly mounted on a spline sleeve, the spline sleeve is rotatably mounted in the machine body, the spline shaft is mounted on a spline in the spline sleeve, a driving pulley is fixedly mounted on the spline sleeve, the driving pulley is connected with a driven pulley through a belt, the driven pulley is fixedly mounted on a fixed driving shaft, and the fixed driving shaft is rotatably mounted in the machine body.
Advantageously, the steering mechanism is described in detail below, the steering mechanism further comprises a main driving gear installed on the right side of the fixed driving shaft, a movable transmission shaft is rotatably installed in the power arm, a main driving gear is fixedly installed on the left side of the movable transmission shaft, the lower side of the main driving gear can be meshed with the main driving gear, a butt joint power bevel gear is fixedly installed on the right side of the movable transmission shaft, a butt joint driven bevel gear is in meshed connection with the upper side of the butt joint power bevel gear, and the butt joint driven bevel gear is fixedly installed on the butt joint rotating shaft.
Advantageously, the earth boring mechanism is described in detail below, and further comprises a push rod power gear and an earth gripping power bevel gear which are mounted on the earth gripping power shaft, the earth gripping power bevel gear is in meshing connection with an earth gripping output bevel gear on the left side, the earth gripping output bevel gear is fixedly mounted on the threaded sleeve, the earth gripping output bevel gear is in meshing connection with an earth gripping bevel gear on the front side, the earth gripping bevel gear is fixedly mounted on an earth gripping auxiliary shaft, the earth gripping auxiliary shaft is rotatably mounted in the fixed mounting block, and the push rod auxiliary gear is fixedly mounted on the earth gripping auxiliary shaft.
Beneficially, the support mechanism is further described in detail below, and the support mechanism further includes a thrust rack bar and an auxiliary rack bar respectively engaged with the push rod power gear and the push rod auxiliary gear, the thrust rack bar and the auxiliary rack bar are all slidably mounted in the fixed mounting block from left to right, an annular mounting plate is mounted on the right side of the thrust rack bar and the auxiliary rack bar, and four support mounting sliding rods are mounted on the annular mounting plate.
The beneficial effects are that: the device is arranged behind the bulldozer, when the bulldozer is sunk into a mud pool or cannot pull out itself in a swamp in the advancing process, the device is started, a power arm can extend out of the rear of a vehicle body, the tail end of the power arm is provided with a device capable of fixing the device to firm ground, and when the device is fixed and the power arm is retracted, the bulldozer can be pulled out of the mud pool by a reaction force.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a self-rescue apparatus of a bulldozer after being sunk into a puddle according to the present invention;
FIG. 2 is a schematic sectional view taken along the direction "A-A" in FIG. 1;
FIG. 3 is a schematic sectional view taken along the direction "B-B" in FIG. 2;
FIG. 4 is a schematic sectional view of the structure of FIG. 3 taken along the direction of "C-C".
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The self-rescue equipment of the device comprises an additional equipment body 10 arranged at the rear part of a bulldozer, wherein a telescopic cavity 601 is arranged in the body 10, a telescopic mechanism which can enable a power arm to extend for a long distance and pull the bulldozer out of a mud pool after the equipment is fixed is arranged in the telescopic cavity 601, a power arm 18 is arranged in the telescopic cavity 601 in a left-right sliding mode, a steering cavity 602 is arranged at the right part of the power arm 18, a steering mechanism is arranged in the steering cavity 602 and comprises a spline shaft 17 rotatably arranged in the power arm 18, a butt joint driving bevel gear 19 is arranged at the right side of the spline shaft 17, the butt joint driving bevel gear 19 is meshed with a butt joint driving bevel gear 20, the butt joint driving bevel gear 20 is rotatably arranged in the power arm 18, and a butt joint rotating shaft 29 is rotatably arranged in the power arm 18, the fixed mounting block 30 is mounted on the butt-joint rotating shaft 29, the ground-grasping power shaft 31 is rotatably mounted in the fixed mounting block 30, the butt-joint bevel gear 32 is mounted at the lower end of the ground-grasping power shaft 31, the left side of the butt-joint bevel gear 32 can be meshed with the butt-joint bevel gear 20 after the fixed mounting block 30 rotates, the fixed mounting block 30 is provided with a ground drilling cavity 603, a ground drilling mechanism for fixing equipment on firm ground is arranged in the ground drilling cavity 603, the ground drilling mechanism comprises a threaded sleeve 36 rotatably mounted in the fixed mounting block 30, a threaded pressure rod 40 is mounted in the threaded sleeve 36 in a threaded manner, the right side of the threaded pressure rod 40 is provided with a nail head 41, a mounting plate 42 is fixedly mounted on the left side of the threaded pressure rod 40, a guide rod 43 is fixedly mounted on the mounting plate 42, and the guide rod 43 is slidably mounted in the fixed mounting block 30, the fixed mounting block 30 is provided with a support leg sliding cavity 604 therein, the support leg sliding cavity 604 is provided with a support mechanism for supporting the fixing mechanism therein, the support mechanism includes a support mounting slide 46 slidably mounted side-to-side in the fixed mounting block 30, a supporting leg 47 is rotatably mounted at the left side of the supporting and mounting slide rod 46, a connecting rod 48 is rotatably mounted in the supporting leg 47, the connecting rod 48 is rotatably mounted on a supporting slide block 49, the supporting slide block 49 is mounted in the supporting mounting slide rod 46 in a left-right sliding manner, a tension spring 50 connected with the support mounting slide bar 46 is arranged at the right side of the support sliding block 49, four stoppers 51 are slidably mounted in the fixed mounting block 30, a limit spring 52 connected with the fixed mounting block 30 is arranged on each stopper 51, the stop 51 is capable of extending to stop the return of the support mounting slide 46 after the support mounting slide 46 passes the stop 51.
Advantageously, the telescopic mechanism comprises a motor 11 arranged in the machine body 10, a threaded shaft 12 is connected to the right side of the motor 11, the threaded shaft 12 is rotatably installed in the machine body 10, the power arm 18 is threadedly installed on the threaded shaft 12, a main driving gear 13 is fixedly installed on the left side of the threaded shaft 12, a main transmission gear 14 is meshed and connected to the lower side of the main driving gear 13, the main transmission gear 14 is fixedly installed on a spline housing 15, the spline housing 15 is rotatably installed in the machine body 10, the spline shaft 17 is installed in the spline housing 15, a driving pulley 16 is fixedly installed on the spline housing 15, the driving pulley 16 is connected with a driven pulley 22 through a belt 21, the driven pulley 22 is fixedly installed on a fixed driving shaft 23, and the fixed driving shaft 23 is rotatably installed in the machine body 10.
Advantageously, the steering mechanism is described in detail below, the steering mechanism further comprises a main driving gear 24 mounted on the right side of the fixed driving shaft 23, a movable transmission shaft 25 is rotatably mounted in the power arm 18, a main transmission gear 26 is fixedly mounted on the left side of the movable transmission shaft 25, the lower side of the main transmission gear 26 can be meshed with the main driving gear 24, a docking power bevel gear 27 is fixedly mounted on the right side of the movable transmission shaft 25, a docking driven bevel gear 28 is in meshed connection with the upper side of the docking power bevel gear 27, and the docking driven bevel gear 28 is fixedly mounted on the docking rotating shaft 29.
Advantageously, the earth boring mechanism is described in detail below, the earth boring mechanism further comprises a push rod power gear 33 and an earth gripping power bevel gear 34 which are mounted on the earth gripping power shaft 31, the earth gripping power bevel gear 34 is engaged and connected with an earth gripping output bevel gear 35 at the left side, the earth gripping output bevel gear 35 is fixedly mounted on a threaded sleeve 36, the earth gripping output bevel gear 35 is engaged and connected with an earth gripping bevel gear 37 at the front side, the earth gripping bevel gear 37 is fixedly mounted on an earth gripping auxiliary shaft 38, the earth gripping auxiliary shaft 38 is rotatably mounted in the fixed mounting block 30, and a push rod auxiliary gear 39 is fixedly mounted on the earth gripping auxiliary shaft 38.
Advantageously, the support mechanism is further described in detail below, the support mechanism further comprises a thrust rack bar 44 and an auxiliary rack bar 45 respectively engaged with the push rod power gear 33 and the push rod auxiliary gear 39, the thrust rack bar 44 and the auxiliary rack bar 45 are both slidably mounted in the fixed mounting block 30 from left to right, an annular mounting plate 53 is mounted on the right side of the thrust rack bar 44 and the auxiliary rack bar 45, and four support mounting sliding rods 46 are mounted on the annular mounting plate 53.
In an initial state, the power arm 18 is positioned at the leftmost side, the main transmission gear 26 is not meshed with the main driving gear 24, the fixed mounting block 30 is in a non-rotating state, the butt joint transmission bevel gear 20 is not meshed with the butt joint engagement bevel gear 32, the threaded compression bar 40 is positioned at the leftmost side, the annular mounting plate 53 is positioned at the leftmost side, the tension spring 50 is in a stretching state, and the limiting spring 52 is in a compressing state; when the working is started, the motor 11 is started, so that the threaded shaft 12 is driven to rotate, the spline sleeve 15 is driven to rotate through the meshing transmission of the main driving gear 13 and the main transmission gear 14, the spline shaft 17 is driven to rotate through the spline transmission of the spline sleeve 15 and the spline shaft 17, the butt joint driving bevel gear 20 is driven to rotate through the meshing transmission of the butt joint driving bevel gear 19 and the butt joint driving bevel gear 20, the spline sleeve 15 rotates to drive the fixed driving shaft 23 to rotate through the belt transmission of the driving belt pulley 16 and the driven belt pulley 22, so that the main driving gear 24 is driven to rotate, the threaded shaft 12 rotates to drive the power arm 18 to slide right through the thread transmission of the threaded shaft 12 and the power arm 18, so that the main transmission gear 26 is driven to slide right until the rightmost side and is meshed with the main driving gear 24, so that the movable transmission shaft, thereby driving the butt rotating shaft 29 to rotate through the meshing transmission of the butt power bevel gear 27 and the butt driven bevel gear 28, thereby driving the fixed mounting block 30 to rotate until the butt engaging bevel gear 32 is meshed with the butt drive bevel gear 20, thereby driving the ground-grasping power shaft 31 to rotate through the meshing transmission of the butt drive bevel gear 20 and the butt engaging bevel gear 32, thereby driving the threaded sleeve 36 to rotate through the meshing transmission of the ground-grasping power bevel gear 34 and the ground-grasping output bevel gear 35, thereby driving the threaded press rod 40 to descend and nail into the soil through the threaded transmission of the threaded sleeve 36 and the threaded press rod 40, driving the ground-grasping auxiliary shaft 38 to rotate through the meshing transmission of the ground-grasping output bevel gear 35 and the ground-grasping bevel gear 37, thereby driving the thrust rack bar 44 to slide to the right through the meshing transmission of the push rod auxiliary gear 39 and the thrust rack bar 44, and driving the ground-grasping power shaft 31 driving the auxiliary rack bar 45 to slide to the right through the meshing transmission of the push rod, the annular mounting plate 53 is driven to slide rightwards, so that the support mounting slide rod 46 is driven to slide rightwards, when the support mounting slide rod 46 passes through the stop block 51, the stop block 51 extends out under the action of the limit spring 52 to prevent the support mounting slide rod 46 from rising backwards, when the support leg 47 leaves the fixed mounting block 30, the support slider 49 slides under the action of the tension spring 50, so that the support leg 47 is supported to stand on the ground as a support, then the motor 11 is reversed to enable the machine body 10 to slide rightwards, and the bulldozer is pulled out of the mud pool.
The beneficial effects are that: the device is arranged behind the bulldozer, when the bulldozer is sunk into a mud pool or cannot pull out itself in a swamp in the advancing process, the device is started, a power arm can extend out of the rear of a vehicle body, the tail end of the power arm is provided with a device capable of fixing the device to firm ground, and when the device is fixed and the power arm is retracted, the bulldozer can be pulled out of the mud pool by a reaction force.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a bull-dozer is absorbed in equipment of saving oneself behind the mire, includes the organism that sets up the additional equipment at bull-dozer rear portion, its characterized in that: a telescopic cavity is arranged in the machine body, a telescopic mechanism is arranged in the telescopic cavity, a power arm is arranged in the telescopic cavity in a left-right sliding mode, a steering cavity is arranged at the right part of the power arm, and a steering mechanism is arranged in the steering cavity; the steering mechanism comprises a spline shaft which is rotatably installed in the power arm, a butt joint drive bevel gear is installed on the right side of the spline shaft and is meshed with the butt joint drive bevel gear, the butt joint drive bevel gear is rotatably installed in the power arm, a butt joint rotating shaft is rotatably installed in the power arm, a fixed installation block is installed on the butt joint rotating shaft, a ground gripping power shaft is rotatably installed in the fixed installation block, a butt joint bevel gear is installed at the lower end of the ground gripping power shaft, and the left side of the butt joint bevel gear can be meshed with the butt joint drive bevel gear after the fixed installation block rotates; the ground drilling mechanism comprises a threaded sleeve rotatably mounted in the fixed mounting block, a threaded pressure rod is mounted in the threaded sleeve in a threaded manner, a nail head is arranged on the right side of the threaded pressure rod, a mounting plate is fixedly mounted on the left side of the threaded pressure rod, a guide rod is fixedly mounted on the mounting plate, and the guide rod is slidably mounted in the fixed mounting block; be provided with the supporting leg sliding chamber in the fixed mounting piece, be provided with supporting mechanism in the supporting leg sliding chamber, supporting mechanism include the horizontal slidable mounting in support installation slide bar in the fixed mounting piece, support installation slide bar left side and rotate and install the supporting leg, rotate in the supporting leg and install the connecting rod, the connecting rod rotates and installs on the supporting slider, the supporting slider horizontal slidable mounting in support in the installation slide bar, the supporting slider right side be provided with support the tension spring of installation sliding rod connection, slidable mounting has four dogs in the fixed mounting piece, be provided with on the dog with the spacing spring that the fixed mounting piece is connected.
2. The self-rescue equipment of claim 1 for a bulldozer sunk into a puddle, which is characterized in that: telescopic machanism including set up in motor in the organism, the motor right side is connected with the screw thread axle, the screw thread axle rotate install in the organism, the screw thread is epaxial to be installed the power arm, screw thread axle left side fixed mounting has main drive gear, main drive gear downside meshing is connected with main drive gear, main drive gear fixed mounting is on the spline housing, the spline housing rotate install in the organism, the spline housing is well splined mounting has the integral key shaft, fixed mounting has drive pulley on the spline housing, drive pulley passes through the belt and is connected with driven pulley, driven pulley fixed mounting is on the fixed drive axle, the fixed drive axle rotate install in the organism.
3. The self-rescue equipment of claim 1 for a bulldozer sunk into a puddle, which is characterized in that: the steering mechanism further comprises a main driving gear installed on the right side of the fixed driving shaft, a movable transmission shaft is installed in the power arm in a rotating mode, a main driving gear is fixedly installed on the left side of the movable transmission shaft, the lower side of the main driving gear can be meshed with the main driving gear, a butt joint power bevel gear is fixedly installed on the right side of the movable transmission shaft, the butt joint power bevel gear is meshed with a butt joint driven bevel gear on the upper side, and the butt joint driven bevel gear is fixedly installed on the butt joint rotating shaft.
4. The self-rescue equipment of claim 1 for a bulldozer sunk into a puddle, which is characterized in that: the ground drilling mechanism further comprises a push rod power gear and a ground grabbing power bevel gear which are arranged on the ground grabbing power shaft, the left side of the ground grabbing power bevel gear is connected with a ground grabbing output bevel gear in a meshed mode, the ground grabbing output bevel gear is fixedly arranged on the threaded sleeve, the front side of the ground grabbing output bevel gear is connected with a ground grabbing bevel gear in a meshed mode, the ground grabbing bevel gear is fixedly arranged on a ground grabbing auxiliary shaft, the ground grabbing auxiliary shaft is rotatably arranged in the fixed mounting block, and a push rod auxiliary gear is fixedly arranged on the ground grabbing auxiliary shaft.
5. The self-rescue equipment of claim 1 for a bulldozer sunk into a puddle, which is characterized in that: the supporting mechanism further comprises a push rod power gear and a push rod auxiliary gear meshed thrust rack rod and an auxiliary rack rod, the thrust rack rod and the auxiliary rack rod are installed in the fixed installation block in a sliding mode from left to right, an annular installation plate is installed on the right side of the thrust rack rod and the auxiliary rack rod, and four support installation sliding rods are installed on the annular installation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322307.9A CN111335379A (en) | 2020-04-22 | 2020-04-22 | Self-rescue equipment for bulldozer trapped in puddle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322307.9A CN111335379A (en) | 2020-04-22 | 2020-04-22 | Self-rescue equipment for bulldozer trapped in puddle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111335379A true CN111335379A (en) | 2020-06-26 |
Family
ID=71184805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010322307.9A Withdrawn CN111335379A (en) | 2020-04-22 | 2020-04-22 | Self-rescue equipment for bulldozer trapped in puddle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111335379A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751155A (en) * | 2020-07-15 | 2020-10-09 | 宁波械色自动化技术有限公司 | Soil collection device for soil remediation |
| CN112498509A (en) * | 2020-12-30 | 2021-03-16 | 南京富黎田科技有限公司 | Self-rescue device for excavator when sinking into sludge |
-
2020
- 2020-04-22 CN CN202010322307.9A patent/CN111335379A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751155A (en) * | 2020-07-15 | 2020-10-09 | 宁波械色自动化技术有限公司 | Soil collection device for soil remediation |
| CN111751155B (en) * | 2020-07-15 | 2021-07-20 | 南京棠邑科创服务有限公司 | Soil collection device for soil remediation |
| CN112498509A (en) * | 2020-12-30 | 2021-03-16 | 南京富黎田科技有限公司 | Self-rescue device for excavator when sinking into sludge |
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Application publication date: 20200626 |