56 results about "Burette" patented technology

This invention discloses an automated system and method for determining the trace total acid value of jet fuel. The system includes a sample moving unit, a titration unit, a nitrogen control unit, and a jet fuel total acid value determination unit. The sample moving unit moves the titration cup containing the sample below the titration unit. The nitrogen control unit maintains a nitrogen atmosphere inside the titration cup. The titration unit includes a porous burette, a burette tube, a photometric electrode, and a temperature electrode. The porous burette seals the titration cup. The titration unit injects titrant, mixed solvent, and mixed titration solvent into the titration cup, and determines the titration endpoint using the photometric and temperature electrodes. The jet fuel total acid value determination unit integrates the data from the titration unit to calculate the jet fuel total acid value. This invention eliminates endpoint errors that may result from subjective human judgment using manual indicators, and overcomes the need for machine vision technology, which requires the construction and intelligent training of a dataset of titration endpoint color images, in specialized instrument methods.

The utility model discloses an analytic titration device for medicine inspection, which relates to the technical field of medicine detection and comprises an operating frame and a rotating disc, the rotating disc is positioned inside the operating frame and is rotatably connected with the operating frame, a mounting frame is fixedly mounted at the bottom of the operating frame, and a motor is fixedly mounted at the bottom of the mounting frame. The transmission device has the advantages that the transmission shaft rotates with the disc as the center point, and rotates along the sliding groove formed in the rotating disc while rotating, so that the rotating disc is driven to rotate through operation of the transmission shaft and matching of the transmission shaft and the sliding groove; the burette above the beaker can be changed while the rotating disc rotates, so that the burette does not need to be disassembled and remounted, the problem of frequently replacing the burette is effectively solved, the operation sequence is simplified, the experiment failure caused by untimely titration is avoided, and the detection progress is improved.

This invention proposes an auxiliary device for accurate burette reading, comprising a clamping assembly with a clamping cavity formed within it for holding the burette. The clamping assembly has a first mounting position and a second mounting position, which are opposite to each other and respectively connected to the clamping cavity. An optical component is located at the first mounting position, comprising a magnifying element and a transparent lens. The transparent lens has graduations, and the magnifying element is located between the transparent lens and the clamping cavity. A color contrast element is located at the second mounting position. By clamping the burette in the clamping cavity at its liquid level, the reading at the burette can be magnified through the transparent lens and magnifying lens at the first mounting position. The second mounting position is opposite to the first mounting position, and the color contrast element at the second mounting position acts as a background to enhance color contrast, facilitating accurate burette reading.

The utility model discloses a chemical analysis and detection device for cement. The chemical analysis and detection device comprises an injection head, according to the cement chemical analysis and detection device, a concentric-square-shaped frame is fixedly installed on the upper portion of an L-shaped installation frame, an injector is placed on the inner side of the concentric-square-shaped frame, the injector is an existing injector, the concentric-square-shaped frame is provided with an injection mechanism corresponding to the injector, the liquid outlet end of the injector is fixedly connected with a liquid conveying hose, and the bottom end of the liquid conveying hose is fixedly connected with an injection pipe. The injection tube movably penetrates through the bottom edge of the L-shaped mounting frame and is fixedly connected with an injection head, a reaction flask is arranged below the L-shaped mounting seat corresponding to the injection head, the L-shaped mounting frame is matched with the concentric-square-shaped frame to mount the injector and the injection tube, and electric driving injection is performed through the injection mechanism, so that titration operation is performed. The burette does not need to be held by hand and a burette valve does not need to be operated for a long time, hand fatigue is reduced, meanwhile, continuous slow titration filling is formed, valve control is not needed, and titration operation is more convenient.

The utility model belongs to the technical field of experimental instruments, and discloses a device for constant-temperature automatic titration, which comprises a constant-temperature box, an electronic thermometer, a magnetic suspension stirrer, a burette and a controller, and a constant-temperature temperature control element is arranged in the constant-temperature box; the constant-temperature control element, the controller and the electronic thermometer jointly form a constant-temperature system to ensure that the temperature of the solution is constant in the titration process. The burette controls the piston to move through the micro motor and the electric telescopic rod which can accurately control the speed, so that automatic titration is realized. A penetrating hole is formed in the top of the constant-temperature box and used for installing an electronic thermometer to monitor solution temperature in real time. The suspended magnetic stirrer is used for accelerating the reaction speed; the observation window is convenient for observing the reaction process. The automatic titration device solves the problem of inaccurate experimental results caused by temperature change of the conventional titration device, has the advantages of automatic titration, constant-temperature control, simplicity and convenience in operation and the like, and is suitable for titration experiments.

The utility model provides a titration device capable of being accurately controlled, which relates to the technical field of analysis and inspection and comprises a base, a bottom column, an upper column, a titration component and a micro peristaltic pump. According to the titration device capable of being accurately controlled, a titrated container is placed on the tray of the weighing instrument, and the weight change of the container and a solution in the container can be monitored in real time through the weighing instrument. Then, the flow of the titrating solution is set by adjusting the operation parameters of the micro peristaltic pump; at the moment, the micro peristaltic pump is started, the pump wheel rotates to drive the hose wound on the pump wheel to work, and the titrating solution in the burette is dripped into the reaction container at the set flow through the hose and the dripper. In the titration process, the weighing instrument monitors the weight change in real time, and an experimenter can adjust the flow and other parameters of the micro peristaltic pump at any time according to experimental data and titration conditions until the titration operation is completed. In the whole process, the flow of the titrating solution is directly controlled without depending on manual work, so that the error is greatly reduced, and the experiment accuracy is improved.

The utility model discloses a device for rapidly detecting the sulfur content of concentrate, which comprises a closed sulfur determination absorber, a knob at the lower end of the closed sulfur determination absorber is connected with an absorption liquid storage bottle, the upper end of the closed sulfur determination absorber is connected with a basic burette, and the basic burette is externally connected with a sodium hydroxide standard liquid storage bottle; a distilled water storage bottle for washing is externally connected to the joint of the closed sulfur determination absorber and the carbon determination furnace; one side of the carbon determination furnace is connected with a second drying tower, the bottom of the second drying tower is connected with a second gas washing bottle, the second gas washing bottle is externally connected with a first drying tower, the bottom of the first drying tower is connected with a first gas washing bottle, the first gas washing bottle is connected with a buffer bottle, and the buffer bottle is externally connected with an air pump. According to the utility model, the open sulfur determination absorber is replaced by the closed sulfur determination absorber, and the washing branch pipe is additionally arranged, so that the application range of a combustion neutralization method is expanded to the determination of sulfur with the content of 0.01-50%, and one set of equipment and one method can meet the requirements of multiple sulfur determination, thereby not only improving the accuracy of an analysis result, but also saving the cost.

The application discloses a kind of simultaneously determining the measurement system and method of soil water characteristic curve and unsaturated permeability coefficient, comprising: sample chamber, pressure chamber, water supply side, drainage side, manual valve, differential pressure gauge, solenoid valve, PC end and electronic scale.PC end is connected with electronic scale, for recording experimental data;Sample chamber is used to place sample, pressure chamber is used to place sample chamber and pressurization, drainage side and water supply side are each provided with three burettes, and are divided into standard burette and measuring burette, wherein standard burette applies variable head method to measure permeability coefficient in permeation experiment, measuring burette is used to measure the change amount of soil water volume, differential pressure gauge is used to measure the head pressure difference of standard burette and measuring burette and connect solenoid valve to realize the automatic control of soil water inlet and drainage.The application has the advantages that: water level is adjusted using solenoid valve, to realize the automation of measurement process;SWCC curve and permeability coefficient can be simultaneously measured;Instrument cost is low, and measurement result accuracy is higher.

The utility model discloses a resin solid content automatic titration analysis equipment, include: base, rotate and install the rotating lever on the top outer wall of base, install motor and install the container on the rotating lever top on the bottom inner wall of base, still include: install the controller on the one end of the top outer wall of base, the other end of top outer wall of base is equipped with the support, and the support one end is equipped with the burette, the burette outer wall is equipped with the electromagnetic valve. The utility model discloses a resin solid content automatic titration analysis equipment, through the synergistic effect of container rotation and stirring subassembly, eliminate titrant local concentration difference, ensure that the reaction is even, potentiometric electrode moves with reciprocating assembly dynamic, avoid local measurement deviation, improve the accuracy of potential monitoring, and each component and controller form closed loop control, and the titration and stirring parameters are automatically regulated, and the end point is accurately judged, reduces artificial error, realizes resin solid content efficient, accurate automatic analysis.

The utility model provides a kind of titration device for drug research and development, it is related to the field of pharmaceutical processing equipment, it includes: bottom plate, bottom plate top is used to place conical flask;Stand, bottom plate top is equipped with stand, stand one side is equipped with mounting ring, for the clamping fixation of burette;Clamping assembly, clamping assembly is equipped on the inner wall of mounting ring, for the clamping fixation of burette;And mixing assembly, mixing assembly is equipped on the top of bottom plate, for the mixing of conical flask.This kind of device cooperates through the synergistic effect of clamping assembly, realizes the real-time posture fine adjustment and self-adaptive clamping of burette, adjusts motor based on gyroscope feedback data dynamic control mounting ring angle, offset caused by compensating external force disturbance, ensure that burette is always in vertical equilibrium state;The integrated design of mixing assembly in combination with antiskid component improves the mixing efficiency and fixed safety of reaction vessel.

The utility model provides a valve control system for pipette device belongs to digital titrator technical field, including burette and the integrated seat of burette below, be equipped with piston in burette, the integrated seat is equipped with the flow channel of reagent bottle inside intercommunication, and the integrated seat includes the horizontal check valve of the communication with the outlet pipe, the vertical check valve of the communication with the inlet pipe and is used for switching burette intercommunication flow channel, horizontal check valve or the reversing valve of vertical check valve, horizontal check valve includes first valve seat, first valve ball and elastic member of abutment in proper order, first valve seat is equipped with first through -hole of the intercommunication reversing valve and outlet pipe, first through -hole passes through first valve ball seal, the other end of elastic member is fixed with the shell of outlet pipe, the utility model discloses through the setting of elastic member in horizontal check valve, makes the piston to move up and suck reagent, the liquid and air in guide pipe will not be sucked into burette.

The invention discloses a PH value adjusting titration device for flame retardant processing, and relates to the technical field of PH value adjustment. The PH value adjusting titration device for flame retardant processing comprises a device main body, and the device main body comprises two storage tanks, a flow valve communicated with the storage tanks and a burette communicated with the flow valve. According to the PH value adjusting titration device for flame retardant processing, in the initial titration stage, the titration opening is adjusted to be maximum through the adjusting mechanism, when the titration end point is close, the titration opening is adjusted to be small, the PH value is finely adjusted, and in the initial titration stage, constant extrusion force is applied to the piston through the common gravity action of the first gravity plate and the second gravity plate, so that the PH value is adjusted to be uniform. And during fine adjustment, the second gravity plate is limited through the limiting mechanism, and at the moment, the piston is extruded only through the gravity of the first gravity plate, so that the pressure of the liquid is reduced, and the PH value adjustment efficiency and accuracy are improved.

The utility model belongs to the technical field of liquor detection, and particularly relates to a liquor detection titration device which comprises a titration device body, the titration device body comprises a base, a support and a pipe clamp, the support is fixedly installed on the top of the base, the pipe clamp is installed on the inner side of the support, and an automatic mixing mechanism is arranged on one side of the support; the automatic mixing mechanism comprises a notch formed in one side of the bracket; the rotating column is connected to the inner wall of the notch through a bearing; and the two swing rods are connected to the surface of the rotating column in a sleeving mode, and one end of each swing rod is located on the outer side of the support. The utility model provides a Baijiu detection titration device, which can automatically shake and mix a burette, eliminate the difference of manual operation, reduce the personal error, reduce the pollution or influence of the external environment on detection and avoid cross contamination or sample loss in a non-contact mixing mode.

The burette with the polytetrafluoroethylene tube head comprises a tube body and the tube head, the tube body is a slender glass tube, and the tube head comprises an upper tube of the tube head, a cock part and a lower tube of the tube head. And the tube head upper tube is in threaded connection with the tube body. The cock part comprises a cock sleeve, a cock and a fastening nut, the inner wall of the cock sleeve is matched with the outer wall of the cock, and the cock is provided with a cock hole used for operating the solution to flow out. And the tail end of the lower tube of the tube head is narrowed to form a sharp mouth. The tube body is made of glass. The pipe head is made of polytetrafluoroethylene. The lubricity of the polytetrafluoroethylene material is good, so that the cock disclosed by the utility model has good rotation flexibility, and the problem that the burette is broken when the cock is rotated with force can be avoided. Polytetrafluoroethylene has elasticity, the cock sleeve and the cock are tightly combined, and the water tightness of the burette is high. Due to the two-section burette structure of the tube head and the tube head, after the tube body is damaged, a new tube body is replaced, the burette can be reused, and the cost for purchasing glass instruments can be saved.

This utility model provides a titration device for environmental testing, relating to the technical field of titration devices for environmental testing. It includes a main body structure comprising an I-shaped base, a positioning mechanism on the top of the I-shaped base, and a positioning disk. A rotating rod passes through the interior of the positioning disk and is fixedly connected to the positioning disk. One end of the rotating rod passes through the interior of the I-shaped base, and a slot is provided on the positioning disk. This utility model, by setting a positioning mechanism, allows the test sample tube placed in the placement tube to be repositioned and changed. After being adjusted, the test sample tube is precisely positioned at the bottom of the adjustable burette, enabling the testing personnel to titrate the liquid into the test sample tube without needing to align it, thereby improving the efficiency of the titration operation.

The utility model is applicable to the technical field of medicine inspection, and provides an analytical titration device for medicine inspection, which comprises a bottom plate, a vertical plate is fixedly mounted at the top of the bottom plate, a mounting groove is formed in the vertical plate, a first screw rod is rotatably mounted on the inner wall of the mounting groove, and the top end of the first screw rod extends to the outside of the vertical plate; the connecting block is installed on the first lead screw in a threaded mode, a positioning plate is welded to the connecting block, an installation hole is formed in the positioning plate, and a burette used for medicine inspection is arranged in the installation hole; the clamping mechanism is arranged on the positioning plate and is used for fixing the burette; and the shaking mechanism is assembled on the bottom plate and is used for shaking the container. According to the analysis titration device for drug inspection provided by the scheme, the problem that when an existing titration device is used, an operator needs to frequently pick up a container for a long time to shake, so that the labor intensity is relatively high is solved.

The automatic potentiometric titrator comprises a working box and a titrator body, the working box is of a hollow rectangular structure, the top of the working box is open, a liquid discharge pipe is installed at the bottom of the working box and connected with an external pipeline, the titrator body is installed on the left side face of the working box, and the titrator body is connected with the working box. The automatic potentiometric titrator for water quality detection solves the problems that when an existing titrator is used, liquid to be detected is placed in a detection device, a burette and a detection electrode are inserted into a detection bottle, and the titrator is used for detecting the solution, so that the titration time is shortened, and the titration time is shortened. However, after each detection, detection personnel need to clean the burette and the detection electrode, the cleaning process is relatively inconvenient, and the detection efficiency is reduced.

A digital burette comprising a housing configured to be mounted on a liquid reservoir, a tube extending from the housing, an input unit provided on the housing, and an actuating device / unit / component / machine / structure configured to communicate with the control unit. The tube fluidly communicates with the liquid reservoir. The input unit receives an input corresponding with a desired volume of the liquid to be dispensed, and generates an input signal. The control unit receives the input signal and generates a processed signal. The actuating device / unit / component / machine / structure is communicatively coupled to the input unit or the control unit to facilitate dispensation of the desired volume of the liquid through the tube based on the received input signal / processed signal.

The utility model discloses a device for chemical test titration. The device comprises a bottom table and a stand column assembly, the bottom table is of a hollow box-shaped structure, the bottom table comprises an upper panel, the upper surface of the upper panel is provided with a plurality of placing structures used for placing vessels, and the plurality of placing structures are integrally distributed in a circumferential shape; the stand column assembly comprises an outer column body, an inner column body, a positioning column and a cantilever, the positioning column is fixed in the bottom table, the outer column body and the inner column body are both of a cylindrical structure, the lower end of the inner column body can freely slide up and down to be arranged on the positioning column in a sleeving mode, and the outer column body can freely slide to be arranged on the inner column body in a sleeving mode. According to the utility model, a plurality of positions for placing utensils such as beakers and the like are arranged on the bottom table, and titration is realized by rotating the position of the dropper, so that multi-group contrast is realized; by arranging all parts of the stand column assembly and matching the parts, the position of the dropper is adjusted through manual rotation during use, the structure is simpler, transmission is rapid, the dropper does not depend on electric power, energy consumption is reduced, and more energy is saved.

The utility model relates to water quality detection technical field, concretely is a kind of water quality sample fixing agent dropping device, it includes: box, the top surface of the box swing installation has flip cover;The inside of the box is installed with rotating structure, and the rotating structure includes rotating column, and the rotating column is swing-mounted in the inside of box by bearing, and the middle part of the rotating column is fixedly connected with lower turntable, and the outer wall on the lower turntable is fixedly installed with movable magnetic block, and the outside of the lower turntable is swing-mounted with mounting plate by bearing, and the inner wall on the mounting plate is fixedly installed with fixed magnetic block, and the surface of the lower turntable is fixedly installed with bottle seat, and the upper end of the lower turntable is fixedly connected with upper turntable.The utility model drops device special tube special, reduce the use amount of frequent replacement buret due to adding different fixing agent, reduce cost, and eliminate cross contamination, routine operation is not easy to spill, overflow, protect on-site sampling engineer, prevent the harm of acid and alkali.

The utility model discloses a kiln raw material carbonate decomposition rate measuring device which comprises a first support, a second support and a water tank, adjusting holes are formed in the two sides of the first support and the two sides of the second support, limiting rods are fixedly connected to the inner walls of the first support and the second support, clamping rods are connected to the outer walls of the limiting rods in a sliding mode, and the clamping rods are arranged in the water tank. A clamping sleeve is fixedly connected to one end of the clamping rod, a burette is movably connected to the inner wall of the clamping sleeve, a connecting pipe is arranged at the bottom of the burette, the other end of the connecting pipe is connected with the top of the reaction bottle, and a positioning sleeve is fixedly connected to the inner wall of the water tank; a positioning spring is fixedly connected to the interior of a positioning sleeve, a positioning plate can be driven to position a reaction bottle through an arranged screw rod, shaking of the reaction bottle is avoided, a burette and a gas measuring pipe can be clamped through an arranged clamping sleeve and a fixed plate, the height of the clamping sleeve can be adjusted through an adjusting hole, and the reaction bottle can be conveniently clamped through the adjusting hole. Further, the mounting heights of the burette and the gas measuring pipe can be adjusted.

The utility model discloses an acid burette, which relates to the technical field of burettes, and adopts the technical scheme that the acid burette comprises a glass tube body, a glass piston and a sharp nozzle tube body, the glass piston is in running fit with the glass tube body, a first through hole and a second through hole which are distributed in a crossed manner are formed in the glass piston, and the aperture of the first through hole is larger than that of the second through hole; the glass tube body is provided with symmetrically distributed openings on two sides of the glass piston. According to the utility model, the first through hole and the second through hole which are different in hole diameter are formed in the glass piston, so that the glass piston can be rotated according to actual requirements, and the purpose of changing the flow of a titration solution is achieved; when the first through hole or the second through hole of the glass piston is blocked, the first through hole or the second through hole is rotated to be communicated with the opening, and then the first through hole or the second through hole can be cleaned.

The utility model belongs to the technical field of food inspection equipment, particularly relates to a titration device for food inspection and analysis, and aims to solve the problems that in the prior art, liquid is easy to splash due to fixed intervals of burettes, and pollution is difficult to clean due to no waste liquid collection, the titration device comprises a base and a plurality of groups of burettes which are linearly distributed in the base, the device disclosed by the utility model has the beneficial effects that through the cooperation of the distance adjusting roller, the involute distance changing groove and the distance adjusting block, synchronous and equidistant adjustment of multiple groups of burettes is realized, the pre-fixing sleeve slides in a linkage manner without manual positioning, accurate alignment of a water dropper and a container and consistent parallel sample detection conditions are ensured, the result deviation rate is reduced, and the detection efficiency is improved. The clamping plate, the elastic clamping plate and the multi-stage spring buffer structure are matched with containers of various specifications, the containers are prevented from being damaged, the clamping stability is enhanced, the collecting hopper is designed to slide on one side, avoidance is performed before titration, redundant titration liquid is received after titration, pollution is prevented, cleaning is easy, and the clean experiment environment and operation safety are guaranteed.

The utility model discloses a burette with a drip-proof function, which relates to the technical field of burettes and comprises a burette body, a glass cock is mounted at the lower end of the burette body, a rotary shifting plate is arranged on one side of the glass cock, a mounting slotted hole is formed in the rotary shifting plate, an end connecting pipe is inserted into the upper end of the burette body, and the end connecting pipe is connected with the lower end of the burette body. The outer surface of the end connecting pipe is fixedly connected with a side mounting frame, the interior of the side mounting frame is rotationally connected with an adjusting rod, through the arrangement of the end connecting pipe, when the glass cock is closed, the adjusting rod can be pulled to rotate through rotation of the rotary shifting plate, so that the sealing column is lifted, the vent groove is closed, and then the top of the pipe body can be sealed; meanwhile, according to the design, the end connecting pipe can be selectively installed according to actual requirements, practicability is high, the end connecting pipe and the pipe body are directly connected in an inserted mode, installation and detachment are convenient, and practicability is high.

This utility model relates to a high-reliability titration stage for organic synthesis chemistry experiments, comprising: a base; a support sleeve fixedly connected to the base, the support sleeve having an insertion hole formed by an axial recess of a predetermined depth from the end face of the support sleeve; a support rod adapted to the insertion hole of the support sleeve, one end of the support rod being inserted into the insertion hole of the support sleeve, thereby fixing the support rod to the base; and a predetermined number of clamping assemblies slidably connected to the support rod, thereby fixing the clamping assemblies at predetermined positions on the support rod, the clamping assemblies being used to fix and hold organic experimental burette-like instruments.

The invention discloses an automatic titration device for chrome black T experiment, and relates to the technical field of analysis and detection, the automatic titration device comprises an experiment table, a liquid homogenizing mechanism is arranged on the experiment table, a conical flask is arranged on the liquid homogenizing mechanism, a fixing mechanism is further arranged on the experiment table, a liquid level titration mechanism is arranged on the fixing mechanism, and a burette is arranged on the fixing mechanism. A liquid level locking mechanism is further arranged on the side face of the conical flask. The liquid level locking mechanism comprises a first lifting assembly and a visual sensor, and a liquid level locking sensor is arranged on the first lifting assembly; according to the invention, the burette can be quickly clamped and fixed; the inner wall can be flushed in all directions, and the cleaning efficiency is improved; according to the invention, accurate judgment of a titration end point and accurate regulation and control of a dropwise adding amount can be realized, and subjective errors of manual operation are avoided; according to the invention, the problem that the orifice of the burette is in contact with the bottleneck of the conical flask due to manual operation in the traditional titration experiment can be solved, so that experimental errors are reduced, and the retest rate is reduced.

1. Name of the designed product: burette (anti-drop). 2. Use of the designed product: experimental instrument for adding titration solution. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The utility model relates to the technical field of burettes, and discloses an anti-leakage chemical burette, which comprises a sleeve, the inner side wall of the sleeve is detachably connected with a burette for storage, the top of the burette is detachably connected with a valve for sealing, the top of the valve is fixedly provided with a connecting pipe, and the connecting pipe is fixedly connected with the sleeve. The top of the connecting pipe is sleeved with a rubber bag, and a fixing ring is clamped to the bottom of the rubber bag. According to the chemical burette capable of preventing liquid leakage, through cooperative arrangement of the burette and the valve, the device can be more convenient and practical, an operator firstly stretches the bottom of the burette into liquid to be sucked and then presses the rubber bag, so that the liquid is sucked into the burette, the valve is directly closed after the liquid is sucked, and the burette is convenient to use. The top of the burette is in a sealed state, so that the probability of liquid dropping in the moving process after the burette sucks liquid is effectively reduced, and the safety of operators in the operation process is improved.

The utility model discloses a novel burette rack which comprises a base, one end of the base is connected with two groups of rod bodies, the two groups of rod bodies movably penetrate through the same group of rack body, and one end of the rack body is in threaded connection with two groups of bolts. The second threaded rod is rotated to drive the plate body to move, the plate body is matched with the first block body and the second block body, moderate pressure is applied to burettes from different directions, and therefore multiple sets of burettes can be clamped at the same time. Therefore, when a titration experiment is carried out, a plurality of groups of titration operations can be carried out at the same time and do not need to be carried out in sequence as before, so that the waiting time is effectively shortened, and the experiment efficiency is improved to a certain extent. The burette clamping device is simple in structure, convenient to use and capable of clamping multiple groups of burettes at the same time during large-scale acid-base neutralization titration experiments or component analysis titration experiments of multiple samples, so that experimenters can complete more experiments in unit time, and the experiment efficiency is improved to a certain extent.

The utility model belongs to the technical field of titration devices, and particularly relates to a medicine detection titration device which comprises a base, a bearing seat arranged at the top of the base, an annular turntable rotatably mounted on the inner side of the bearing seat, a gear ring sleeved on the outer side of the annular turntable, a conical flask placing seat arranged at the top of the annular turntable, and a support rod arranged at the top of the base, a screw hole is formed in the side face of the supporting rod in a penetrating mode and is in threaded connection with the first locking screw rod, one end of the lifting support is connected with a damping rotating shaft, one end of the damping rotating shaft is rotationally connected with a titration mechanism mounting frame, a fixing base is arranged on the inner side of the titration mechanism mounting frame, and a titrant bottle is connected to the top of the fixing base; the bottom of the fixed seat is connected with a burette, the bottom of the top plate of the lifting bracket is connected with an automatic residual liquid collecting device, the device can collect residual liquid in the burette inside a burette valve after titration is finished, and meanwhile, the continuous detection efficiency can be effectively improved.