53results about How to "Big digging force" patented technology

Provided is a rotatable manipulation arm with a metamorphic function. The lower end of a first telescopic rod of the manipulation arm is connected to a working platform, and the upper end of the first telescopic rod is connected to a first sliding sleeve. A first rod is sleeved with the first sliding sleeve, the lower end of the first rod is connected to the working platform, and the upper end of the first rod is connected to one end of a second rod. The other end of the second rod is connected to an actuator. The lower end of a second telescopic rod is connected to a sliding block which is mounted in a sliding groove of the working platform, and the upper end of the second telescopic rod is connected to a second sliding sleeve. The second rod is sleeved with the second sliding sleeve. One end of a spring is fixed to the working platform, and the other end of the spring is fixed to the first corner of a triangular connecting plate. One end of a third telescopic rod is connected to the second corner of the triangular connecting plate, and the other end of the third telescopic rod is connected to the actuator. The third corner of the triangular connecting plate is connected with the first rod and the second rod at the same time. The rotatable manipulation arm has the advantages of being large in working space, high in digging force, good in stress and the like as a traditional hydraulic mechanism; meanwhile, the number of driving rods and the number of controllable motors are reduced, and the complexity of a rack transmission system is lowered.

The invention discloses a hybrid-driven controllable excavation mechanism which comprises a first excavation arm, a second excavation arm, a forward shovel type bucket and a frame, wherein the first excavation arm and the second excavation arm are respectively formed by the connection of a two-degree-of-freedom hybrid-driven controllable mechanism with the forward shovel type bucket through a complex hinge and a connecting rod. The first excavation arm and the second excavation arm are both arranged on the frame and subjected to hybrid-driving of two high-power conventional motors and two low-power servo motors, and therefore, the requirements for large excavating force and concurrently flexible track output can be met simultaneously. The hybrid-driven controllable excavation mechanism disclosed by the invention can solve the problems that the traditional single-degree-of-freedom mechanical excavation mechanism is simple in implementation action, the hydraulic excavation mechanism is probably subjected to oil leakage, etc. Besides, the whole excavation mechanism has the advantages of high excavation efficiency, low manufacturing cost and low processing and assembling requirements.

The invention relates to a multiple-degree-of-freedom industrial robot manipulator. A lower end of a first rod of the manipulator is connected to a working platform, while an upper end of the first rod is connected with one end of a second rod; the other end of the second rod is connected to an actuator; a lower end of a first expansion link is connected to a slider that is mounted in a sliding groove; an upper end of the first expansion rod is connected to a first sliding sleeve; the first sliding sleeve sleeves the first rod; a lower end of a second expansion link is connected to the working platform, while an upper end of the second expansion link is connected to a third sliding sleeve; the third sliding sleeve sleeves the second rod; one end of a third rod is connected to a second sliding sleeve that sleeves the second expansion link, while the other end of the third rod is connected to the actuator; the working platform is mounted on a trolley. The multiple-degree-of-freedom industrial robot manipulator has the advantages of large working space, large digging force, good stress and the like of a traditional hydraulic machine mechanism, and furthermore, the number of active rods and controllable motors is further reduced, and the complexity of a frame transmission system is reduced.

The invention discloses a multi-freedom-degree industrial machine operation arm mechanism. The lower end of a first rod of the mechanism is connected to a work platform. The upper end of the first rod is connected to a first sliding sleeve. A second rod is sleeved with the first sliding sleeve. One end of the second rod is connected to an actuator. The other end of the second rod is connected with the upper end of a first telescopic rod. The lower end of the first telescopic rod is connected to a sliding block. The sliding block is installed in a sliding groove in the work platform. The lower end of a second telescopic rod is connected to the work platform. The upper end of the second telescopic rod is connected to a second sliding sleeve. The first rod is sleeved with the second sliding sleeve. One end of a spring is fixed to the work platform, and the other end of the spring is fixed to the first corner of a triangular connecting plate. One end of a third telescopic rod is connected to the second corner of the triangular connecting plate, and the other end of the third telescopic rod is connected to the actuator. The third corner of the triangular connecting plate is also connected with the first telescopic rod and the second rod at the same time. The multi-freedom-degree industrial machine operation arm mechanism has the beneficial effects of being large in working space and excavating force, good in stress and the like, meanwhile, the number of drive rods and controllable motors is reduced, and complexity of a rack transmission system is lowered.

A screw-driven and multi-degree-of-freedom controllable mechanism type excavating mechanism comprises a frame, a moving arm lifting mechanism, a bucket rod swinging mechanism, a bucket turnover mechanism and a bucket. The moving arm lifting mechanism is mainly used for controlling a moving arm to lift; the bucket rod swinging mechanism is used for controlling a bucket rod to swing around the moving arm; the bucket is mounted on the bucket rod and controlled by the bucket turnover mechanism to turn over around the bucket rod; the moving arm lifting mechanism and the bucket rod swinging mechanism are both driven by a servo motor mounted on the frame; and through screw drive, the bucket turnover mechanism is driven by the servo motor mounted on the bucket rod; and according to the invention, as the hydraulic drive in the traditional excavator is replaced with a band new connecting rod mechanism, defects of high cost, complicated maintenance and the like caused by a hydraulic system are overcome; meanwhile, as the screw drive is adopted in the bucket turnover mechanism, the excavating force of the bucket is large, the number of driving rods is small, and defects such as overlarge driving force of the driving mechanism are overcome.

The invention discloses a controllable mechanism type movable mechanical arm. The lower end of a first rod of the mechanical arm is connected to a work platform. The upper end of the first rod is connected with one end of a second rod. The other end of the second rod is connected to an actuator. The lower end of a first telescopic rod is connected to the work platform. The upper end of the first telescopic rod is connected to a first sliding sleeve. The second rod is sleeved with the first sliding sleeve. The lower end of a third rod is connected to a sliding block which is installed in a sliding groove in the work platform. The upper end of the third rod is connected to a second sliding sleeve. The first rod is sleeved with the second sliding sleeve. One end of a spring is fixed to the work platform, and the other end of the spring is fixed to the first corner of a triangular connecting plate. One end of a second telescopic rod is connected to the second corner of the triangular connecting plate. The other end of the second telescopic rod is connected to the actuator. The third corner of the triangular connecting plate is connected with the first rod and the second rod at the same time. The controllable mechanism type movable mechanical arm has the beneficial effects of large working space, large excavating force, good stress and the like of a traditional hydraulic mechanism, meanwhile, the number of driving rods and controllable motors is reduced, and complexity of a rack transmission system is lowered.

The invention discloses a mechanical arm working at multiple angles. The lower end of a first rod of the mechanical arm is connected to a work platform through a first rotation pair; the upper end of the first rod is connected with one end of a second rod through a second rotation pair; the other end of the second rod is connected to an executor through a third rotation pair; the lower end of a telescopic rod is connected to the work platform through a fourth rotation pair; the upper end of the telescopic rod is connected to a second slide sleeve through a fifth rotation pair; the second rod is sleeved with the second slide sleeve; the lower end of a third rod is connected to a slider through a sixth rotation pair; the slider is installed in a slide groove of the work platform; the upper end of the third rod is connected to a first slide sleeve through a rotating pair; the first rod is sleeved with the first slide sleeve; and the work platform is installed on a trolley through an eighth rotation pair. The number of driving rods and controllable motors is reduced while the mechanical arm working at multiple angles has the beneficial effects that a traditional hydraulic machine mechanism is large in work space and excavating force, good in stress and the like, and the complexity of a machine frame transmission system is reduced.

The invention discloses a controllable excavating mechanism which comprises a rack, a control branch chain, a lifting branched chain, an overturn branch chain and a scraper bucket, wherein the control branch chain comprises a first driving rod and a movable arm; one end of the first driving rod is articulated with the rack, and one end of the movable arm is articulated with the other end of the first driving rod; the lifting branch chain comprises a second driving rod, a second connecting rod and a third connecting rod, a lifting rod, one end of the second driving rod is articulated with the rack, one end of the second connecting rod is articulated with the other end of the second driving rod, one end of the third driving rod is articulated with the middle of the second connecting rod, one end of the lifting rod is articulated with the other end of the third connecting rod, the other end of the second connecting rod is articulated with the middle of the movable arm, and the other end of the movable arm is articulated with the middle of the lifting rod; the overturn branch chain comprises a third driving rod and an overturn rod, one end of the third driving rod is articulated with the rack, and one end of the overturn rod is articulated with the other end of the third driving rod; the upper part of the scraper bucket is articulated with the other end of the lifting rod, and the lower part of the scraper bucket is articulated with the other end of the overturn rod. The excavating machine is relatively flexible, and can be used for avoiding the defects of high accuracy, oil leakage and the like of a hydraulic element.

The invention provides an excavator which inhibits floation and has high excavation force. An upper revolving body can be revolvably supported on the lower travel body. A revolve driving apparatus enable the upper revolving body to revolve relative to the lower travel body. The upper revolving body is provided with accessory which revolves along with the upper revolving body. If work conditions are satisfied, a control apparatus drives the revolve driving apparatus to work, so that the upper revolving body is revolved to the direction causing floation of the lower travel body due to excavation reactive force applied on an acting point of the accessory.

The invention discloses a new type integrated small arm rock breaking tool, which includes a large arm, a small arm, a tooth seat and a middle arm oil cylinder. The structure makes the forearm an integral excavating body without the obstruction of various structural parts of traditional rippers, so that the digging depth is deeper and the maintenance cost is greatly reduced.

The invention discloses a giant undersea salvage grab bucket. The grab bucket comprises a grab bucket body, a grab bucket central beam, a grab bucket head part, grab bucket balance beams, a pulley block system, steel wire ropes and bearer cables, wherein the pulley block system improves the excavating force of the grab bucket by providing a magnifying power through wound steel wire ropes; and besides, high-intensity bucket teeth are arranged on the grab bucket body, so when the grab bucket is used for salvaging a sunken ship, the grab bucket body can dive to a sea floor in hundred meters, tear steel plates of the sunken ship by using a giant excavating force and then grab the sunken ship and salvage the sunken ship up. The giant undersea salvage grab bucket not only has basic functions of the conventional grab bucket, comprising a basic function of grabbing wares, but also has super high hoisting capacity and 500-ton grabbing capacity, and is particularly suitable for undersea sunken ship salvage. As the grab bucket has great excavating capacity and can tear steel plates of sunken ships, the efficiency of marine sunken ship salvage is greatly improved and the economic benefit of grab buckets is improved.

The invention provides a bucket rod device, a control method thereof and an excavator, and belongs to the technical field of the excavator. The bucket rod device comprises a movable arm, wherein a first connection point, located at the connecting end of a bucket rod, of the movable arm is rotationally connected with the bucket rod, a connecting rod is rotationally connected to the movable arm andcomprises a first rotating arm and a second rotating arm which are extended outwards from the connected position, an included angle of the first rotating arm and the second rotating arm is fixed, theend part of the first rotating arm is rotationally connected to a cylinder barrel of a bucket arm cylinder, a second connection point of the connecting end of the bucket rod is rotationally connectedwith a movable rod of the bucket arm cylinder, an auxiliary oil cylinder is arranged on the movable arm, a cylinder barrel of the auxiliary oil cylinder is rotationally connected with the movable arm,and a movable rod of the auxiliary oil cylinder is rotationally connected with the end part of the second rotating arm; displacement sensors are arranged on the bucket arm cylinder and the auxiliaryoil cylinder respectively, and an angle sensor is arranged at the second connection point; and bucket rod device further comprises a controller electrically connected with the displacement sensors, the angle sensor and the auxiliary oil cylinder respectively. According to the invention, the bucket rod can keep the maximum digging force for a long time.

The invention relates to a hybrid drive controllable parallel-connection excavation mechanism. The hybrid drive controllable parallel-connection excavation mechanism comprises an excavation arm, a forward shoveling type bucket and a machine frame, wherein the excavation arm is a three-degree-of-freedom hybrid drive controllable mechanism and is formed by connecting a composite hinge, a connecting rod and the forward shoveling type bucket. The excavation arm is installed on the machine frame and driven by a large-power normal-speed motor and two small-power servo motors in a hybrid mode, and large excavation force and certain output flexibility can be realized. The hybrid drive controllable parallel-connection excavation mechanism not only resolves the problems that a traditional single-degree-of-freedom mechanical excavation mechanism is simple in realization movement, and a hydraulic excavation mechanism is prone to oil leakage, but also resolves the problem that an existing two-degree-of-freedom hybrid drive excavation mechanism needs two normal-speed motors, eliminates one normal-speed motor, has a certain energy-saving effect and is low in manufacturing cost and high in excavation efficiency.