Abstract: A coating die head and a coating apparatus including one are provided. The coating die head includes a first die head and a second die head. The first die head includes a first die head body and multiple first lip modules, and the first lip modules are spliced sequentially along a first direction. Each of the first lip modules is detachably connected to the first die head body, each of the first lip modules is provided with a first groove, the first grooves of the plurality of first lip modules are spliced to form a main chamber for storing a slurry, and the first direction is a length direction of the main chamber. In the coating die head, the first lip modules may be replaced or recombined to change the length of the main chamber so that the coating die head is suitable for producing electrode plates with different widths.

Abstract: A borehole wall spin-shearing device includes a load applying assembly, a soil shearing assembly, and a data acquisition assembly, where the load applying assembly is configured to apply a vertical load and an axial rotational load to the soil shearing assembly; the soil shearing assembly includes a plurality of shear plates; the plurality of shear plates are configured to penetrate into undisturbed soil after being ejected due to the vertical load and then shear the undisturbed soil due to the axial rotational load; and the data acquisition assembly is configured to acquire torque values of the plurality of shear plates during a process of shearing the undisturbed soil. The borehole wall spin-shearing device can directly conduct an in-situ borehole shear test in an exploration borehole with a conventional diameter in China, reducing the cost of drilling. The borehole wall spin-shearing device achieves a high degree of automation throughout the test.

Abstract: Provided is an inner tube assembly of a drill includes an inner tube assembly upper part and an inner tube assembly lower part which are rotatable relatively and connected together through a shaft and a single action mechanism including a bearing block and a thrust ball bearing, a bearing is built into a shaft part of the bearing block, the shaft is connected in the thrust ball bearing of the bearing block, the bearing block is provided with a sealing ring seat sealed with the shaft. A rope coring drill tool including the inner tube assembly of drill tool described above is also provided. The present disclosure can avoid entry of drilling fluid into the bearing, effectively protect the bearing and safeguard single action performance of the drill tool.

Abstract: The present invention discloses a ball-clamp type fall arrester for a drill pipe, which includes a base and a steel ball seat arranged in the base. The steel ball seat is provided with a liftable steel ball frame. A side wall of the steel ball frame is provided with a plurality of limit hole. An inner wall of the steel ball seat is provided with a guide ramp. The plurality of limit holes are respectively provided with a plurality of steel balls which are movable radially. When the steel ball frame is lifted or lowered, a radial position of each steel ball in a corresponding limit hole is positioned by the guide ramp.

Abstract: A coating die head includes a die head body and at least two regulators. A discharge channel communicating with an external environment is disposed on the die head body. The discharge channel includes a discharge port. The discharge port extends along a first direction. The first direction intersects a discharge direction of the discharge channel. The at least two regulators are disposed on the die head body and distributed along the first direction. At least a part of each regulator is movable in the discharge channel along a second direction. The second direction is perpendicular to the discharge direction and the first direction. A dimension along the first direction differs between the at least two regulators.

Abstract: The present application relates to a drying device used for drying a part to be dried. The drying device comprises a drying oven having a first surface and a second surface. The first surface and the second surface are arranged opposite to and spaced apart from each other to form a drying channel allowing the part to be dried to pass through; the first surface is provided with a first air blow port; the first surface and/or the second surface is provided with an air exhaust port; and the second surface is further provided with an air suction port.

Abstract: Provided is an inner tube assembly of a drill includes an inner tube assembly upper part and an inner tube assembly lower part which are rotatable relatively and connected together through a shaft and a single action mechanism including a bearing block and a thrust ball bearing, a bearing is built into a shaft part of the bearing block, the shaft is connected in the thrust ball bearing of the bearing block, the bearing block is provided with a sealing ring seat sealed with the shaft. A rope coring drill tool including the inner tube assembly of drill tool described above is also provided. The present disclosure can avoid entry of drilling fluid into the bearing, effectively protect the bearing and safeguard single action performance of the drill tool.

Abstract: A flattening device includes a main roller and a plurality of sleeves. The plurality of sleeves are sleeved on the main roller at intervals in an axial direction of the main roller. At least one of the sleeves is detachably connected to the main roller, so that positions of the sleeves in the axial direction of the main roller are adjustable, and the sleeves are in contact with the electrode plate to flatten the electrode plate when the electrode plate passes through the sleeves.

Abstract: Disclosed is a coating equipment. The coating equipment may include a back roll, a coating die head, and a detection assembly. The coating die head may have a coating opening facing towards the back roll, and the coating opening may extend in an axial direction of the back roll. The detection assembly may be configured to detect a position of the coating die head relative to the back roll. The detection assembly may include a level mounted on the coating die head.

Abstract: The present invention discloses a ball-clamp type fall arrester for a drill pipe, which includes a base and a steel ball seat arranged in the base. The steel ball seat is provided with a liftable steel ball frame. A side wall of the steel ball frame is provided with a plurality of limit hole. An inner wall of the steel ball seat is provided with a guide ramp. The plurality of limit holes are respectively provided with a plurality of steel balls which are movable radially. When the steel ball frame is lifted or lowered, a radial position of each steel ball in a corresponding limit hole is positioned by the guide ramp.

Abstract: Provided are an air outlet apparatus and a drying device. The air outlet apparatus includes: a housing provided with a first cavity and an air inlet and an air outlet communicated with the first cavity; and a wind speed adjusting assembly, where the first cavity is provided with a plurality of wind speed adjusting assemblies distributed in a first direction, such that the first cavity is divided into a plurality of air outlet sections distributed in the first direction by the wind speed adjusting assembly; and where each of the wind speed adjusting assemblies is configured to open or close at least some air outlets, so as to adjust outlet wind speed of each of the air outlet sections. The drying device includes the above air outlet apparatus.