306 results about "Injection equipment" patented technology

The invention provides multi-station additive cluster accurate feeding equipment based on a PLC and SCADA, the multi-station additive cluster accurate feeding equipment based on the PLC and the SCADA comprises a material distributing assembly and a stirring assembly which are fixed at the top of a support, the stirring assembly is located on one side of a feeding assembly, a plurality of material distributing pieces distributed at equal intervals are rotationally arranged in the feeding assembly, and the stirring assembly is located on the other side of the feeding assembly; a plurality of material distributing pieces are arranged on the base, material distributing barrels are arranged in the material distributing pieces, material distributing grooves are formed in the surfaces of the material distributing barrels, scraping assemblies are arranged in the material distributing grooves in a sliding mode, the scraping assemblies are attached to the inner walls of the material distributing grooves, and one ends of the scraping assemblies penetrate through one ends of the material distributing barrels and are fixedly connected with the output ends of the material distributing pieces; according to the multi-station additive cluster accurate feeding equipment based on the PLC and the SCADA, a linkage mode is adopted, the inner wall of the material distributing groove can be cleaned in time in the material taking process, the phenomenon that high-viscosity materials are left is avoided, and the risk that the residual materials go bad or are mixed into a new batch is reduced to a certain extent.

The utility model provides closed-loop control pouring sealant quantitative injection equipment, which comprises a frame assembly, a moving assembly and a sealant injection assembly, the upper side surface of the frame assembly is provided with the sealant injection assembly for injecting sealant to a DC power supply module through the moving assembly, and the frame assembly comprises a frame body. The moving assembly comprises an installation frame, a first sliding rail and a second sliding rail, the first sliding rail and the second sliding rail are used for controlling the position of the glue injection assembly, the glue injection assembly comprises a moving part used for displacement, and a rotating part is installed on the surface of the front side of the moving part. Through the combined movement of the moving part and the rotating part, the glue injection assembly can meet the glue injection requirements of DC power modules of different sizes, shapes and structures, the production requirements and quantitative glue injection operation of various types of products can be met only by programming or adjusting the parameters of the moving part and the rotating part, and the universality of the equipment is improved.

The invention discloses a bolting-grouting device and bolting-grouting equipment for pushing and grouting an anchor rod, and relates to the technical field of tunnel engineering machinery. The radial slurry discharge hole I is formed in the guide pipe, the radial slurry discharge hole II is formed in the nut loop bar, the butter slurry blocking assembly I is arranged on the nut loop bar at the tail end of the guide pipe, the butter slurry blocking assembly II is arranged on the anchor rod loop bar at the tail end of the nut loop bar, and when the butter slurry blocking assembly II fails, an axial slurry discharge hole is formed in the failure part; slurry in a gap between the nut sleeve rod and the anchor rod sleeve rod is discharged from the axial slurry discharge hole; an independent slurry discharging cavity is formed in the gear box, and the grease slurry blocking assembly II is located in the slurry discharging cavity. A quadruple slurry return prevention system of radial active slurry discharge, axial passive plugging, axial passive slurry discharge and gear box slurry discharge is adopted, and the problems that according to an existing bolting and grouting device, due to the fact that cement slurry flows back and infiltrates into a gear box, work of the gear box is affected, and gears are corroded and damaged are solved.

The application discloses a mouse wearable micro-injection device for slow release of rhodiolin, and relates to the technical field of medical miniaturized devices. The device comprises a fixing frame, a slow injection device arranged at the upper end of the fixing frame, and a flow guide device connected with the slow injection device. The slow injection device comprises a syringe body internally provided with a liquid storage area and a reaction area. An injection plug is arranged between the liquid storage area and the reaction area. The side edge of the injection plug is in close contact with the inner wall of the syringe body. The flow guide device is in communication with the liquid storage area. The device can realize accurate control of the drug release rate through three different reaction mechanisms, i.e. gas driving of a drug bin, physical expansion of an expansion bag and composite expansion of an expansion bin. In addition, the design of the hanging ear port in the fixing frame can not only disperse the pressure on the ears, but also reduce the fluctuation range of the mouse's corticosterone level in combination with the lightweight structure design.

The application discloses a manufacturing device of a heating structure, which is used for manufacturing the heating structure, and the heating structure comprises an outer tube and a bearing body, a sealed cavity is formed between the outer tube and the bearing body, the outer tube comprises a tube wall and a first cover plate and a second cover plate connected to opposite ends of the tube wall, the first cover plate and the second cover plate are connected to an outer wall of the bearing body; the manufacturing device of the heating structure comprises a forming die and a high-temperature injection equipment, the forming die is internally provided with a pouring cavity and a positioning part for fixing the bearing body, the pouring cavity is provided with an annular opening corresponding to the positioning part, the forming die is provided with an injection port communicating with the pouring cavity, the pouring cavity is used for pouring to form the tube wall and the first cover plate, and the first cover plate is connected to the bearing body at the annular opening; the high-temperature injection equipment comprises a heating module for heating hot-melt material to a molten state and an injection head for being docked with the injection port. The manufacturing device of the heating structure has good product consistency. The application further relates to a manufacturing method of the heating structure, the heating structure and a non-combustion smoking set.

The utility model provides a glue pouring nozzle and battery glue pouring equipment, the glue pouring nozzle comprises a glue outlet pipe, the glue outlet pipe is used for being connected to a glue pouring port of the battery glue pouring device; the cleaning assembly is connected to the glue outlet pipe, the cleaning assembly comprises a cleaning piece and a control valve assembly, and the cleaning piece is used for conveying a cleaning medium; the control valve assembly is arranged to control connection and disconnection of the cleaning piece and the glue outlet pipe.

This invention provides an injection device, including a dispensing screw, an injection lead screw, a first power mechanism, and a second power mechanism. The first power mechanism is driven by the dispensing screw to drive it to rotate around its axis. The second power mechanism is driven by the injection lead screw to drive it to rotate around its axis. The injection device further includes a power conversion mechanism, which is connected to the first power mechanism. The power conversion mechanism can be selectively connected to either the dispensing screw or the injection lead screw, so that the first power mechanism drives either the dispensing screw or the injection lead screw to rotate under the action of the power conversion mechanism. This invention solves the problem of high cost in existing injection devices.

The invention discloses a liquid injection method and device for a to-be-injected lithium battery, computer equipment and a medium. The liquid injection method comprises the following steps: acquiring the rated capacity of a battery to be injected, the actual liquid injection port diameter and the actual liquid injection port number on a shell of the battery to be injected, and acquiring the set liquid injection amount of a liquid injection machine; the liquid injection time is calculated according to the rated capacity, the actual liquid injection opening diameter, the liquid injection opening number and a preset mathematical model; wherein the preset mathematical model comprises the corresponding relation between the liquid injection time and the rated capacity, the actual liquid injection port diameter and the liquid injection port number; the liquid injection rate is determined according to the liquid injection time and the set liquid injection amount; and injecting liquid into the to-be-injected lithium battery according to the liquid injection rate and the liquid injection time. According to the method, the liquid injection time is accurately calculated through the pre-established preset mathematical model among the rated capacity of the battery, the liquid injection port parameters and the liquid injection time, the method is simple and high in applicability, the consistency of the liquid injection amount of the battery can be ensured, the production efficiency is improved, expensive liquid injection equipment is not needed, and the cost is reduced.

The application discloses a double-screw injection platform and belongs to the field of injection equipment, which comprises a machine body, an upper injection platform and a lower injection platform. The lower injection platform comprises a discharge pipe, a lower screw rod, a sliding plug, a pressure cylinder and a closing valve. The sealing of the closing valve separates the discharge pipe from a mold. When the lower screw rod is rotating and extruding materials, the lower screw rod is pushed and compressed by the reaction force, so that the materials can continuously move along with the lower screw rod and enter the lower screw rod. When the next feeding is needed, the closing valve is opened, and the pressure of the pressure cylinder is released, so that the materials are pushed into the mold quickly, the feeding time is saved, and the pressure maintaining action can be performed after the materials are pressed into the mold by the pressure of the pressure cylinder.

The utility model discloses an injection molding device for producing smart cover, including support base and injection equipment, and injection equipment includes inside spiral conveying equipment and the coil heating layer of wrapping spiral conveying equipment, and the rear end top of spiral conveying equipment is equipped with the storage tank, and the top of storage tank is equipped with the feeding pipe orifice, and the outside of coil heating layer includes being equipped with the heat -collecting shell, and the top of heat -collecting shell is equipped with a plurality of gas ducts, and the bottom of heat -collecting shell is equipped with the filter air inlet, and a plurality of gas ducts commonly are equipped with the gas collector, and the top of gas collector is equipped with the air pump, and the outside of storage tank is wrapped and is equipped with the heat -proof shell, and the air pipe that the space bottom intercommunication of storage tank and heat -proof shell is equipped with in air pump, and the top of heat -proof shell is equipped with the exhaust pipe way. The utility model has the advantages compared with prior art: the device can guarantee the further utilization of heat, guarantees the reduction of overall energy consumption through setting up the air extraction structure outside the heating coil, and preheats the material to the outside of storage tank with the redundant heat, can guarantee.

This utility model belongs to the technical field of injection devices, and provides a screw connection mechanism for injection equipment and an injection device. The connection mechanism includes: a hollow shaft, which is fixedly connected to the output end of a motor, and the inner peripheral wall of the hollow shaft is provided with a first limiting structure; a connecting sleeve, which is axially movable and disposed within the hollow shaft and connected to the screw, and the outer peripheral wall of the connecting sleeve is provided with a second limiting structure. Compared with the prior art, this utility model, by providing an inner peripheral wall with a first limiting structure within the hollow shaft and a matching second limiting structure on the outer peripheral wall of the connecting sleeve, allows the two to cooperate through multi-faceted contact. This enables the connecting sleeve and the screw to rotate synchronously when the hollow shaft rotates, while allowing the connecting sleeve to move freely along the axial direction. This structure simplifies the complexity of traditional connection structures, avoids problems such as poor fit and clearance accumulation caused by multi-stage connections or rolling elements, and improves transmission efficiency and equipment service life.

The utility model discloses low-clearance in-situ remediation agent injection equipment in a building, and belongs to the technical field of soil remediation. The low-clearance in-situ remediation agent injection equipment comprises a bottom plate, a rotating seat and a positioning block are fixedly mounted on the upper surface of the bottom plate, a stand column is rotatably connected to the interior of the rotating seat, and a second connecting seat is fixedly connected to the rear side of the stand column; an adjusting groove is formed in the top of the positioning block, a lead screw is rotationally connected into the adjusting groove, and a rotating handle fixedly connected with one end of the lead screw is arranged on one side of the positioning block. The rotating handle is rotated to drive the lead screw to rotate to adjust the position of the adjusting block, motion transmission is conducted through cooperation of the first connecting base, the connecting rod and the second connecting base, linear motion is converted into angle change, and therefore the inclination angle of the stand column is adjusted; the first motor drives the threaded rod to rotate to adjust the position of the sliding block, so that the sliding block can drive the drilling mechanism to be obliquely inserted into the ground for medicine injection construction.

The utility model relates to the technical field of liquid medicine injection equipment, in particular to anti-dripping liquid medicine injection equipment. Comprising a supporting base, a supporting bracket, an injection cylinder barrel, a lifting air cylinder, an injection push rod, an injection piston, an injection tube head, an electric control push rod, an adjusting shaft, an adjusting half gear, an adjusting toothed plate, a plugging block, a lifting sliding rail, a lifting sliding block, a lifting sliding rod, an adjusting spring, a clamping assembly, a medicine storage assembly, a stirring assembly and an infusion assembly. The bottom wall of the supporting bracket is provided with an electric control push rod, the bottom end of the electric control push rod is fixedly connected with the other side of the lifting sliding block, and when the liquid medicine injection equipment is used, the electric control push rod works reversely to drive the lifting sliding block and the adjusting toothed plate to ascend; the adjusting toothed plate drives the adjusting shaft to rotate reversely again through the adjusting half gear, so that the plugging block resets and tightly seals the injection tube head, and dripping of the liquid medicine is effectively prevented.

The invention relates to the field of oil field gas injection and oil displacement, in particular to LNG pressurization gasification gas injection equipment and method. The LNG pressurization gasification gas injection equipment comprises a transportation tank car, a pressurizer, an air temperature gasifier and a gas dispenser. And the transportation tank car is used for loading LNG. The supercharger is used for receiving the LNG from the transportation tank car and pressurizing the LNG. And the air temperature gasifier is used for receiving the pressurized LNG from the supercharger and converting the pressurized LNG into gaseous natural gas. And the gas filling machine is used for receiving the gaseous natural gas from the air temperature gasifier and filling the gaseous natural gas. According to the LNG pressurization gasification gas injection equipment, the transportation, storage and injection process of liquefied natural gas can be more efficient, safer and controllable.

The application discloses a high-strength long-distance steel structure welding method and belongs to the technical field of steel structure welding. The high-strength long-distance steel structure welding method comprises the following steps: S1, cleaning the welding seams of two steel structure bodies to be welded and applying anti-splashing liquid to the welding seams; S2, sleeving a welding detection sleeve on one of the steel structure bodies, then welding the two steel structure bodies, and welding the welding detection sleeve to the welding seams of the two steel structure bodies; and S3, detecting the welding seams by using the welding detection sleeve. The welding detection sleeve is arranged to detect the quality of the welded structure, help the staff to know whether the welding leakage phenomenon occurs, and improve the welding strength to a certain extent by using the glue injection equipment. In addition, the arrangement of the multiple double-section sensing rods can play a reminding role in vision and hearing when the welding seam of the steel structure body is broken, so that the staff can timely process.

An in vivo medical fluid injection device includes an injection needle movable between a retracted position within a device housing and an injection position extending from the housing. The actuator moves the needle between a retracted position and an injection position. An elastic bladder within the housing contains a medical fluid for injection through the needle when the needle is in the injection position. The delivery member end is located within the housing and biased to move from a first position toward a second position. When in the first position, the delivery member end is cooperatively associated with the actuator to hold the injection needle in the injection position. When in the second position, the delivery member end allows the actuator to move the injection needle to the retracted position, providing an end of delivery indication. The injection device also has a premature lockout prevention system.

The application discloses a rapid demolding injection mold and belongs to the technical field of injection molds. The rapid demolding injection mold is characterized by being provided with an auxiliary assembly on an injection equipment. Thus, the heat of a movable mold and a fixed mold can be absorbed by an auxiliary block after injection is completed, the cooling of the movable mold and the fixed mold is accelerated, the model can be easily ejected by a ejector pin, the absorbed heat can be stored by storage balls in the auxiliary block, the heat stored by the storage balls is released before injection, the movable mold and the fixed mold are assisted in heating, the demolding agent sprayed on the movable mold and the fixed mold can be changed into a film after the demolding agent is sprayed in the movable mold and the fixed mold, the model for subsequent injection is conveniently taken out, and thus the model cooling and the mold heating to the demolding agent changing into a film are both saved a large amount of time, and the efficiency of taking out the injection model is improved.

The utility model relates to the technical field of glue injection equipment, in particular to seam beautifying agent rubber tube glue injection equipment which comprises a glue injection equipment body, a seam beautifying agent rubber tube positioning seat and a gun body shell which are connected with each other are arranged on the glue injection equipment body, and a handle is arranged below the gun body shell. A handle positioning lantern ring fastened with the gun body shell in a sleeving mode is fixed to the handle, an adjusting pressure valve is installed at the bottom of the handle, a pneumatic piston plate is installed in the gun body shell, a push rod movably penetrating through the gun body shell is connected to the pneumatic piston plate, and a push block is arranged at the other end of the push rod. A seam beautifying agent rubber pipe fastening plate matched with the push rod in a penetrating mode is arranged in the seam beautifying agent rubber pipe positioning base. According to the sealant rubber tube glue injection equipment, the sealant rubber tube can be more stably positioned through the anti-deviation positioning cover plate, the magnetic induction piece and the abutting head which are matched with each other are arranged in the gun body shell, glue replacement prompting treatment can be conducted, and sealant injection use of the sealant rubber tube is facilitated.

The utility model relates to sand injection equipment for grouting, and relates to the technical field of road repairing, the sand injection equipment for grouting comprises a sand injection cylinder and a dredging assembly, the sand injection cylinder comprises an outer sleeve and an inner sleeve, and the outer sleeve is coaxially arranged outside the inner sleeve in a sleeving mode; the space between the inner wall of the outer sleeve and the outer wall of the inner sleeve forms a storage cavity used for storing a filling material, a feeding port is formed in one side of the outer sleeve, and a slurry outlet is formed in the bottom of the outer sleeve; the dredging assembly comprises a dredging pipe and a spring, the dredging pipe penetrates through and extends out of the inner sleeve into the outer sleeve, the spring and the pressing plate are arranged outside the dredging pipe in a sleeving mode, one end of the spring is fixedly installed at the bottom in the inner sleeve, and the other end of the spring is connected with the pressing plate. The device has the effects that accumulation at the grout outlet can be dredged, the fluidity of a filling material is guaranteed, the filling material can smoothly enter a filling area of a road crack, the grouting effect of grouting and sand injection work is guaranteed, and the construction efficiency is improved.

The invention belongs to the technical field of petrochemical industry, and discloses a method for regenerating a platinum-tin dehydrogenation catalyst by using chlorinating agent steam, which comprises the following steps: adding a chlorinating agent into a bubbler, and adjusting a water bath to a preset temperature; preset gas is connected to the front end of the reactor through the bubbler; placing the inactivated platinum-tin dehydrogenation catalyst in a reactor, heating the reactor to a roasting temperature, and roasting in an oxygen-containing atmosphere; adjusting the temperature of the reactor to oxychlorination temperature, setting the preset flow of the preset gas, introducing oxygen-containing gas to stabilize the chlorinating agent of the influent section at the preset concentration, and treating for a period of time under the condition; the protective gas purges and displaces gas in the reactor and the pipeline; and adjusting the reactor to a reduction temperature, introducing a reducing gas, and carrying out a reduction reaction to obtain the regenerated platinum-tin dehydrogenation catalyst. Under the condition of not depending on ultra-low flow precise injection equipment, controllable adjustment and long-term stable maintenance of the ppm-grade chlorine content in the reaction atmosphere are realized.

EVA color mixing injection equipment relates to the field of injection molding equipment and comprises a main injection gun, a color mixing device and a connecting mechanism, the main injection gun comprises a main charging barrel, a main screw rod and a gun head, the main charging barrel is horizontally arranged, and a containing cavity used for conveying main materials is formed in the main charging barrel; the color mixing device comprises a color mixing material barrel, a color mixing screw and a driving mechanism, the color mixing material barrel is communicated with the main material barrel, and the containing cavity is divided into a conveying section extending from the tail end of the main material barrel to the joint of the main material barrel and the color mixing material barrel and a color mixing section extending from the front end of the main material barrel to the joint of the main material barrel and the color mixing material barrel; the color mixing screw rod is arranged in the color mixing material barrel; the driving mechanism is connected with the color mixing screw and drives the color mixing screw to rotate. The main material can be conveyed into the color mixing section through the conveying section to be mixed with the color mixing material input from the color mixing device, and the color mixing material is added midway, so that the color mixing material is output by the main injection gun after entering the main material and being not fully mixed, and a product with special patterns can be formed by injection molding.

The present application relates to a kind of reciprocating gunite machine, belong to the technical field of injection equipment, including reciprocating gunite system, drying system, conveying system, gunite frame, follow-up fixing system, excess material recycling system, vibration system and exhaust suction system, vibration system is installed in gunite frame, vibration system from downside to upwards through conveying system, reciprocating gunite system is installed on gunite frame, follow-up fixing system includes follow-up datum frame, follow-up datum slide, follow-up pneumatic adsorption device, air release datum plate, elastic reset device and buffer device, follow-up datum slide is installed on follow-up datum frame, follow-up pneumatic adsorption device is slid along follow-up datum slide, the both ends of elastic reset device are respectively installed between follow-up pneumatic adsorption device and follow-up datum frame, buffer device is installed on follow-up datum frame, follow-up pneumatic adsorption device is equipped with air release valve, follow-up datum slide end is equipped with air release datum plate matched with the air release valve, guarantee uniform spraying.

The invention discloses anesthesia injection equipment capable of monitoring the state of a patient, and the equipment comprises a main frame which is provided with a mounting groove; the anesthesia unit comprises a modular rack, an anesthesia injection mechanism and an anesthesia operation mechanism, the anesthesia injection mechanism and the anesthesia operation mechanism are integrated on the modular rack, a mounting cavity is formed in the modular rack, the anesthesia injection mechanism is arranged in the mounting cavity, and the anesthesia operation mechanism is arranged in the mounting cavity. The anesthesia operation mechanism is mounted on the modular rack; the anesthesia injection equipment capable of monitoring the state of the patient relates to the technical field of anesthesia equipment, the anesthesia injection equipment capable of monitoring the state of the patient is divided into the anesthesia unit and the monitoring unit, the anesthesia unit is detachably connected with the monitoring unit, and the occupied space of the equipment is saved through modularized integration of the anesthesia injection function and effective combination of anesthesia and monitoring; and the problem of large occupied area of the equipment is effectively relieved.

The utility model discloses an accurately-controlled supercritical CO2 injection device, and relates to the technical field of supercritical CO2 injection equipment. The device comprises a base, the top of the base is fixedly connected with a pump shell, the interior of the pump shell is rotationally connected with a rotor, the interior of the pump shell is provided with a heat exchange bin, the heat exchange bin wraps the periphery of the rotor, the top of the heat exchange bin is provided with a pump groove, the interior of the pump groove is rotationally connected with an impeller, and one end of the pump groove is fixedly connected with a first circulating pipe. According to data such as the temperature, the pressure and the flow when supercritical CO2 penetrates through the pump shell to be extruded out, the output power of the driving mechanism is automatically adjusted, so that when the rotor pushes the supercritical CO2 to penetrate through the interior of the pump shell, the heat exchange medium is heated to the proper temperature through the compressor interstage temperature controller, and the heat exchange efficiency is improved. And the heat exchange medium is guided to circularly flow between the heat exchange bin and the compressor interstage temperature controller, so that heat exchange and temperature regulation are carried out through the pump shell and supercritical CO2 penetrating through the interior of the pump shell, and the supercritical state of CO2 is maintained.

The invention discloses a physical permeation increasing device and method for improving the permeability of a sandstone type uranium ore layer, relates to the technical field of in-situ leaching uranium mining, and aims to solve the problems that in the sandstone type uranium ore layer process, due to the fact that the permeability of an ore layer is poor, the drilling hole liquid pumping and injecting amount is affected, and the productivity is seriously affected in the existing mining technology. The device comprises a cavitation pipe column inserted into a casing pipe, the cavitation pipe column comprises an oil pipe arranged in the casing pipe, a filter is arranged on the lower portion of the cavitation pipe column, a cavitator is arranged at the bottom of the cavitation pipe column, the top of the cavitation pipe column is connected with the bottom of a Christmas tree, and water return pipelines are connected to the two sides of the Christmas tree respectively. The Christmas tree is connected with the water storage tank through a water return pipeline, the top of the Christmas tree is connected with a high-pressure water faucet pipe, and pump injection equipment is arranged between the high-pressure water faucet pipe and the water storage tank.

Equipment for injecting grouting material, mining machine, and method for reinforcing rock surfaces with grouting material. The equipment (11) includes an injector head (17) equipped with a mixing device (18), both of which are insertable into a drilled hole (7). The equipment is used to feed resin mixtures (23a, 23b) having two different setting times. The injector head is connected to a fluid inlet arrangement (19) including a common first feed line for slow and fast resin base components (A1, A2) and a second feed line for a resin catalyst (B).

The application discloses a controllable injection equipment for nerve block under ultrasonic guidance in the technical field of medical devices, which comprises a mounting device, a puncture mechanism and an injection mechanism are arranged in the mounting device, the puncture mechanism comprises a puncture tube arranged in a fixed sleeve, a puncture needle is connected to the front end of the puncture tube, a sealing plug is arranged in the puncture needle, a rubber plug is connected to the rear end of the sealing plug and arranged in the puncture tube, the puncture mechanism can avoid the human body tissue from entering the puncture needle and causing blockage in the puncture process, the sealing plug is inserted into the puncture needle, the firmness of the overall structure is improved, the puncture mechanism is not prone to bending or surface depression in the puncture process, the injection efficiency is reduced, and the puncture mechanism can be better inserted when being inserted into the tissue which is strong in toughness or has a slippery surface covered with body fluid.

The utility model discloses a glue spraying cover and glue injection equipment, and relates to the field of glue injection equipment. The glue spraying cover comprises a cover body and a protruding part, the end wall of the cover body is connected with one end of the annular part, a cavity is defined between the end wall and the annular part, and therefore the cover body can cover the cup opening of the collecting cup. The protruding part is connected to the end wall and located in the cavity, the protruding part is provided with a through hole penetrating through the end wall, and the through hole is communicated with the cavity. When the glue injection valve needs to inject glue into the collecting cup, the glue injection valve moves downwards, so that the barrel part of the glue injection valve is inserted into the through hole, and the glue is injected into the collecting cup. The protruding part and the cover body are both made of elastic materials, so that the annular part is in sealing fit with the cup opening of the collecting cup, the barrel part is in sealing fit with the through hole, vacuum can be smoothly pumped out of the collecting cup, and glue is effectively prevented from remaining on a nozzle of the glue injection valve. Meanwhile, a connector is not needed, and the aperture of the through hole is large, so that the situation that the through hole is blocked by glue can be reduced, and the reliability of the glue spraying cover is improved.

The utility model relates to the technical field of injection equipment, in particular to an embedded pressure sensor quadruple-row injection pump which comprises an upper fixing seat and a lower fixing plate, the upper fixing seat and the lower fixing plate are vertically aligned, a side sealing plate is arranged on one side of the upper fixing seat and one side of the lower fixing plate, and a pressure sensor is arranged on the side sealing plate. A circuit board is mounted on the upper fixing seat and the lower fixing plate; a front panel is arranged on one side of the upper fixing base and one side of the lower fixing plate, a lower valve head and an upper valve head which are connected with each other are installed on the front panel, a protective cover is arranged on the front panel, an injection pipe is communicated with the lower valve head, and an electromagnetic valve is arranged on the injection pipe. The pressure sensor further comprises a pressure sensor body. The pressure sensors are additionally arranged on the runners, so that runner self-detection is realized, third-party detection from the outside of the device is avoided, the cost is reduced, the detection process is relatively simple and convenient, the probability of missing detection and re-detection is reduced, and the product quality is guaranteed.

To effectively inject grout into excavated soil.SOLUTION: An injection device 20 of a tunnel boring machine is an injection device for a tunnel boring machine comprising a cylindrical boring machine body, a cutter head 11 rotatably mounted on a front end of the boring machine body, and a partition wall arranged rearward of the cutter head 11, and comprises an injection nozzle 22 that protrudes in the fore-and-aft direction of the boring machine body from a surface of the cutter head 11 or the partition wall and injects an injection liquid containing at least one of water, a mud-adding agent or a foaming agent into the excavated soil, an injection port 22c that is provided on the part of the injection nozzle 22 that protrudes from the surface and sprays the injection liquid in an injection direction D1 that intersects the fore-and-aft direction, and a rotation mechanism (motor 23) that rotates the injection nozzle 22 around the central axis C1 of the injection nozzle 22.SELECTED DRAWING: Figure 2