57results about How to "Easy to adjust the depth" patented technology

The invention discloses an efficient pipe cutting machine. The efficient pipe cutting machine comprises a base. A controller is fixedly connected to the right side of the base. A sliding groove is formed in the left side of the base. The top of the base is provided with a transverse groove communicating with the sliding groove. A sliding block is slidably connected in the sliding groove. A threaded hole is formed in the left side of the sliding block. A first supporting block is fixedly connected to the top of the sliding block. A second supporting block is fixedly connected to the right side of the bottom of an inner cavity of the sliding groove. The top of the first supporting block and the top of the second supporting block both penetrate through the transverse groove and extend to the outside of the transverse groove. A first threaded rod is movably connected to the position, located in the sliding groove, of the left side of the second supporting block. According to the efficient pipe cutting machine, rotation of the first threaded rod can drive the sliding block to transversely move, so the first supporting block and clamping plates can be driven to transversely move; and thus, the distance between the two clamping plates can be adjusted, a plurality of pipes can be clamped, the cutting efficiency of the pipes is greatly improved, and using by a user is more convenient.

The invention relates to a water body layering sampling testing device which comprises a sampling unit, a water sample detection circuit, a signal processing single circuit, an underwater detection unit and a power supply control circuit, wherein the sampling unit is used for sampling water bodies of different depths so as to obtain water samples; the water sample detection circuit is used for acquiring the water samples so as to obtain water sample information; the signal processing single circuit is used for performing digit-to-analog conversion on the water sample information, used for amplifying the water sample information and used for transmitting the water sample information to a host computer; the underwater detection unit is used for acquiring water sample property information by using a water sample property detection probe so as to form a feedback loop; the power supply control circuit comprises a communication unit and a voltage allocation unit; the communication unit is used for receiving a control signal of the host computer and used for transmitting the working signals into the voltage allocation unit; the voltage allocation unit can enter into a working state through the working signal to feed working voltage into the water sample detection circuit, the signal processing single circuit, the underwater detection unit and the sampling unit. The water body layering sampling testing device has the beneficial effects that the sampling unit is simple in structure and easy to assemble and adjust, can be disassembled and separated from other modules and can be used independently, and the depth can be conveniently adjusted according to scales on a rope, so that the water bodies of different depths can be sampled.

The invention belongs to the technical field of plant planting equipment and specifically discloses a corn planter which comprises a bottom plate, idler wheels, a discharging barrel, a feeding barrel,an auxiliary barrel, a horizontal rod, a supporting rod, a coulter and an earthing part, wherein an top block is arranged in the discharging barrel, and a blind plate, a sliding block, a thimble, a stopping piece and a high-pressure air cavity are arranged on the auxiliary barrel. The corn planter disclosed by the invention is mainly applied to planting corn and solves the problem of seed waste caused by continuous discharging in mechanical sowing.

The invention discloses a water sampling device for water pollution detection and a sampling method thereof. The water sampling device comprises a base, trundles are movably installed at the bottom ofthe base, a handrail is fixedly installed on one side of the upper portion of the base, and a sampling tank is fixedly installed at the position, located on one side of the handrail, of the upper portion of the base; a visible window is embedded in one side of the front surface of the sampling tank, a water pump is fixedly installed at the position, close to the middle, of the upper portion of the base, a conveying pipe is arranged between a water outlet of the water pump and the sampling tank, and a water inlet of the water pump is fixedly connected with a connecting pipe. The water samplingdevice for water pollution detection has a water pipe storage function to improve the use convenience, has a water pumping pipe lifting function to be suitable for various pools, ponds, lakes and other places, has a wide application range, has an excellent cleaning function. The water pumping pipe can be cleaned while the water pumping pipe is wound, and the practicability is higher.

The invention discloses a water feeding pump convenient to put. The water feeding pump comprises a fixing frame, a hasp, a top cover, a pull ring, a traction rope, a water outlet pipe, a communicatingpipe, an electromagnetic valve, an annular air bag box, a communication hole, a first electric push rod, a protective tube, a water filter plate, a filter net, a connecting column, a bottom plate, adamping spring, a rubber ring, a sliding rod, a sleeve, a water pump main body, a gate plate and a second electric push rod. The water feeding pump is reasonable in structure, novel in design, easy tooperate and convenient to install, the water pump is provided with a protective device through the fixing frame, and the water pump is prevented from being scratched in the water bottom; impurities in the water can be conveniently intercepted through the filter screen and the filter plate, the impurities are prevented from blocking a water inlet, the water inlet is prevented from being blocked bythe damping spring and the rubber ring, vibration reduction can be provided for the work of the water pump, noise is reduced, and a connection tube of the water pump is convenient to protect throughthe protective tube; and the floating movement of the water pump main body on the water surface is facilitated through the annular air bag box and the traction rope, a proper putting position is selected, and the feeding of the water feeding pump is facilitated.

The invention discloses a flow control facilitating portable water color brush pen for students. An upper pen barrel, a reset spring, a fixing barrel, an installing sleeve and a pen cap are included. A first kneading block and a second kneading block penetrate through the side face of the upper pen barrel for installation, and connecting rods are arranged below the first kneading block and the second kneading block. The two ends of the reset spring are connected with the upper ends of the first kneading block and the second kneading block correspondingly. The lower ends of the connecting rods are connected with the top of a push rod. Sliding grooves are formed in the surface of the upper pen barrel, the upper end of a lower pen barrel penetrates through the sliding grooves, clamping ports are formed in the upper portion of the inner wall of the pen cap, check rings are arranged in the pen cap, and a silica gel pad is fixed to the outer side of the upper pen barrel. According to the flow control facilitating portable water color brush pen for students, when the ink amount is insufficient, only a capillary tube needs to be downwards pressed; and when the ink discharging amount is sufficient, only a pen body needs to be elevated, the larger the flowing-out ink amount is, the denser the color becomes, and the color shade is convenient to adjust.

The invention discloses a supporting and fixing device for a water pipeline used in water conservancy projects and a method for using it, comprising a mounting plate, the four corners of the top of the mounting plate are provided with mounting holes, and the center of the top of the mounting plate is fixedly connected with a first screw thread Rod, the surface of the first threaded rod is movably sleeved with a horizontal plate, the top of the first threaded rod is fixedly connected with a circular plate, and the surface of the first threaded rod is threaded at the bottom of the horizontal plate with a nut , the top of the nut is in contact with the bottom of the cross plate. The invention solves the problem that the existing pipeline support and fixing device has a simple structure and cannot buffer and support the pipeline. When the water source is transported, the pipeline is easy to collide and rub against the support device, which reduces the service life of the pipeline and cannot adjust the height and height of the support device. The width is adjusted, so that it is inconvenient to fix the support device, and at the same time, the rotation angle of the support device cannot be adjusted, which reduces the applicability of the support device.

The invention discloses an intertillage fertilizing machine. The intertillage fertilizing machine comprises a machine frame (16); a traction frame (4), a tooth-blade feeding device (28), a soil loosening device (29), a covering device (30), and a walking device (31) are arranged on the machine frame (16); the tooth-blade feeding device (28) comprises a hopper (1), a tooth-blade feed inlet (2), and a feeding pipe (3); the hopper is arranged on the machine frame (16) via support frames (6); the tooth-blade feed inlet (2) is arranged on the bottom of the hopper (1); a connection roller (9) is arranged in the tooth-blade feed inlet (2); the periphery of the connection roller (9) is provided with a plurality of tooth blades (10) uniformly; the outer edge end of each tooth blade (10) is designed to be cooperating with the inner side wall of the tooth-blade feed inlet (2); and a feed inlet end of the feeding pipe (3) is arranged at a feed outlet end of the tooth-blade feed inlet (2). The beneficial effects of the intertillage fertilizing machine are that: fertilizing speed is in direct proportion to moving speed; uniform fertilizing is realized; and fertilization amount is adjustable.

The invention discloses an environment-friendly water treatment sample extraction device which comprises a supporting base. A sampling box is fixedly connected to one side of the top end of the supporting base, an observation window is installed on the side wall of one side of the sampling box, and a water pump is arranged at the top end of the supporting base and located on one side of the sampling box; two ends, far away from one side of the sampling box, of the water pump are fixedly connected with side blocks; a winding roller is arranged between the two side blocks, the middle of the winding roller is fixedly connected with a connecting shaft, the connecting shaft is rotatably connected between the two side blocks, and one end of the connecting shaft is fixedly connected with an output shaft of a first motor. The device has the beneficial effects that through arranging the first motor and the winding roller, the first motor drives the connecting shaft to rotate, the winding rolleron the connecting shaft rotates, the connecting wire on the winding roller is paid off, the length of the connecting wire can be adjusted, the sampler pulls the connecting wire to sink into water under the action of the gravity of the sampler, the depth of the sampler in water can be adjusted conveniently, water sources with different depths can be sampled, and sample data obtained through sampling is accurate.