CN207448791U - A kind of agitator for cement mortar with damping device - Google Patents

A kind of agitator for cement mortar with damping device Download PDF

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Publication number
CN207448791U
CN207448791U CN201721247692.5U CN201721247692U CN207448791U CN 207448791 U CN207448791 U CN 207448791U CN 201721247692 U CN201721247692 U CN 201721247692U CN 207448791 U CN207448791 U CN 207448791U
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China
Prior art keywords
steel ball
energy dissipating
motor
dissipating steel
pedestal
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Expired - Fee Related
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CN201721247692.5U
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Chinese (zh)
Inventor
王俊荣
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Beijing Beijing City Long Construction Energy Saving Technology Co Ltd
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Beijing Beijing City Long Construction Energy Saving Technology Co Ltd
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Abstract

The utility model discloses a kind of agitator for cement mortar with damping device, the pedestal being supported including motor and to motor, damping device is equipped between motor and pedestal, damping device is connected the elastic parts that the other end is connected with pedestal and the energy dissipating steel ball being connected with elastic parts with motor including one end;Elastic parts includes upper extension spring and lower extension spring, is fixedly connected with draw ring on motor, lower draw ring is fixedly connected on pedestal, energy dissipating steel ball upper and lower ends have been fixedly connected with connection ring;The upper connection ring clasp joint for stretching spring one end and the other end and energy dissipating steel ball upper end being connect with pulling up bail, the lower connection ring clasp joint for stretching spring one end and the other end and energy dissipating steel ball lower end being connect with pulling down bail, upper extension spring and lower extension spring are in the state of being stretched;Energy dissipating steel ball is hollow structure, and water is housed in energy dissipating steel ball, the utility model has the advantages that the vibrations that can reduce motor generation are transferred to testing stand.

Description

A kind of agitator for cement mortar with damping device
Technical field
The utility model is related to a kind of agitator for cement mortar, more particularly to a kind of cement paste with damping device stirs Mix machine.
Background technology
Agitator for cement mortar uses net slurry for that will stir into uniform test after cement and water mix as defined in standard, It is widely used in professional universities and colleges and R&D institution's cement testing room.
Such as the Chinese patent that notification number is CN205201797U, it discloses a kind of agitator for cement mortar.Including double speed Motor, shaft joint, worm screw, silo, transmission-case cover, turbine, gear one, main shaft, gear two, transmission case, internal gear, eccentric mounting, Planetary gear, stirring rachis, adjusting nut, paddle, agitated kettle, bearing, pedestal, handle, column.Silo is placed on bearing On, cement and water to be mixed are put into silo, start double-speed motor, double-speed motor drive paddle rotate, to cement into Row stirring.
In general, pedestal is placed on testing stand, other instruments may be placed on testing stand, when double-speed motor is run, meeting It shakes, double-speed motor drives column and pedestal vibrations, and vibrations are passed to testing stand by pedestal, and testing stand generates meeting after vibrations Influence the normal work of other instruments.
Utility model content
The purpose of this utility model is to provide a kind of agitator for cement mortar with damping device, and advantage is can to subtract The vibrations that few motor generates are transferred to testing stand.
The above-mentioned technical purpose of the utility model technical scheme is that:One kind carries damping device Agitator for cement mortar, including motor and to the pedestal that motor is supported, damping device is equipped between motor and pedestal, is subtracted Shake device is connected the elastic parts that the other end is connected with pedestal and the energy dissipating steel being connected with elastic parts with motor including one end Ball.
Through the above technical solutions, when motor shakes elastic component is driven to stretch vibrations, with dynamic elasticity when motor moves upwards Component strain extends, and during being somebody's turn to do, a part of kinetic energy that elastic parts moves upwards motor is converted into elastic potential energy.Meanwhile Elastic parts drives energy dissipating steel ball to move upwards, will not be quickly with elastic group since energy dissipating steel ball has certain effect of inertia Part moves upwards, and therefore, the vibration frequency of energy dissipating steel ball has hysteresis quality compared with motor.When motor moves downward, energy dissipating steel Ball may continue to move upwards, at this point, elastic parts is smaller to the pulling force of motor.Therefore, damping device transports motor upwards With larger inhibition, the amplitude of the motor vibrations of reduction, so as to reduce the vibrations that motor is transferred to testing stand when dynamic.
The utility model is further arranged to:The elastic parts includes upper extension spring and lower extension spring, on motor Draw ring is fixedly connected with, lower draw ring is fixedly connected on pedestal, energy dissipating steel ball upper and lower ends have been fixedly connected with connection ring;On Extension spring one end connects the connection ring clasp joint of the other end and energy dissipating steel ball upper end, lower stretching spring one end and drop-down with pull-up bail Bail connects the connection ring clasp joint of the other end and energy dissipating steel ball lower end, and upper extension spring and lower extension spring are in by drawing shape State.
Through the above technical solutions, motor can move up and down when shaking vertically, during motor moves upwards, Upper extension spring is gradually stretched, upper extension spring gradually extends, while a part of kinetic energy of motor is converted into elastic potential energy, right Motor is moved upwards into row buffering.Upper stretching spring band moves energy dissipating steel ball and moves upwards, and energy dissipating steel ball quality is bigger, and inertia is made With bigger, energy dissipating steel ball will not be moved upwards with upper extension spring quickly.After energy dissipating steel ball moves upwards, lower stretch is driven Spring extends, and a part of kinetic energy of energy dissipating steel ball is converted into elastic potential energy by lower extension spring, to energy dissipating steel ball into row buffering.This At present the tension of extension spring gradually increases, and upper stretching tension force of spring is gradually reduced.The vibration frequency of motor is than energy dissipating steel ball Vibration frequency it is low, when energy dissipating steel ball continues up, motor vibrations direction change and move downward, upper stretching bullet Spring is gradually shortened, and after upper extension spring shortens to a certain extent, lower stretching tension force of spring is more than upper stretching tension force of spring, on Extension spring is less than the pulling force of energy dissipating steel ball the pulling force of lower extension spring, and energy dissipating steel ball, which tapers off, to be moved upwards, Ran Houxiang Lower movement at this point, motor may move upwards again, so on circulate, reaches energy dissipating purpose.Vibrations are reduced to transfer to pedestal, So as to which the vibrations for reducing motor generation are transferred to testing stand.The service life of upper extension spring and lower extension spring is higher, bullet Property coefficient is bigger, occupies little space.
The utility model is further arranged to:The elastic parts includes upper elastic string and lower elastic string, is fixed on motor Draw ring is connected with, lower draw ring is fixedly connected on pedestal, energy dissipating steel ball upper and lower ends have been fixedly connected with connection ring;Upper elasticity Rope one end is fixedly connected with the other end with upper draw ring and is fixedly connected with the connection ring of energy dissipating steel ball upper end, lower elastic string one end and drop-down Ring is fixedly connected with the other end and is fixedly connected with the connection ring of energy dissipating steel ball lower end, and upper elastic string and lower elastic string are in being stretched State.
Through the above technical solutions, motor can move up and down when shaking vertically, during motor moves upwards, Upper elastic string is gradually stretched, upper elastic string gradually extends, while a part of kinetic energy of motor is converted into elastic potential energy, to motor It moves upwards into row buffering.Upper elastic string drives energy dissipating steel ball to move upwards, and energy dissipating steel ball quality is bigger, and effect of inertia compares Greatly, energy dissipating steel ball will not be moved upwards with upper elastic string quickly.After energy dissipating steel ball moves upwards, lower elastic rope elongation is driven, A part of kinetic energy of energy dissipating steel ball is converted into elastic potential energy by lower elastic string, to energy dissipating steel ball into row buffering.This elastic string at present Tension gradually increase, the tension of upper elastic string is gradually reduced.The vibration frequency of motor is lower than the vibration frequency of energy dissipating steel ball, when When energy dissipating steel ball continues up, motor vibrations direction changes and moves downward, and upper elastic string is gradually shortened, upper elasticity After rope shortens to a certain extent, the tension of lower elastic string is more than the tension of upper elastic string, and upper elastic string is to the pulling force of energy dissipating steel ball Less than the pulling force of lower elastic string, energy dissipating steel ball, which tapers off, to be moved upwards, and is then moved downward, at this point, motor is possible and upward Movement, so on circulate, reaches energy dissipating purpose.It reduces vibrations to transfer to pedestal, so as to reduce the vibrations of motor generation to examination Test platform transmission.The tension adjustment of upper elastic string and lower elastic string is convenient, when tension is inadequate, can shorten length, and when overtension can To increase length.And cost can improve damping effect using more simultaneously than relatively low.
The utility model is further arranged to:The energy dissipating steel ball is hollow structure, and water, the body of water are housed in energy dissipating steel ball Product is less than the volume of energy dissipating steel ball inner cavity.
Through the above technical solutions, when energy dissipating steel ball shakes, water sport, the vibration frequency of water and the shake of energy dissipating steel ball are driven Dynamic frequency is different, and effect of inertia size is also different.When energy dissipating steel ball moves downward water is driven to move downward, when energy dissipating steel ball is upward During movement, water may also have the trend moved downward, at this point, water offsets a part of kinetic energy of energy dissipating steel ball, reduce energy dissipating steel The vibration amplitude of ball.The volume of water is less than the volume of energy dissipating steel ball inner cavity, and extra space can supply water in energy dissipating steel ball inner cavity Flowing improves the shock-absorbing effect of water.
The utility model is further arranged to:Resilient rubbber cushion is fixedly connected with below the pedestal, resilient rubbber cushion is remote One side and testing stand surface from pedestal is inconsistent.
Through the above technical solutions, resilient rubbber cushion vibrations are driven when pedestal shakes, the frequency and elastic rubber of pedestal shake The vibration frequency of pad is different, the vibrations direction of pedestal and the vibrations direction of resilient rubbber cushion it is most of on the contrary, pedestal vibrations one The kinetic energy of part kinetic energy and resilient rubbber cushion is cancelled out each other, and is transferred so as to reduce vibrations to testing stand.
The utility model is further arranged to:Silica-gel antiskid pad is fixedly connected with below the resilient rubbber cushion, silica gel is prevented One side of the skidding away from resilient rubbber cushion and testing stand surface are inconsistent.
Through the above technical solutions, after silica-gel antiskid pad can prevent agitator for cement mortar to be subject to the thrust of horizontal direction It is slided along testing stand, energy dissipating steel ball is avoided to swing in the horizontal direction, reduce the vibrations that horizontal direction is generated to pedestal.
In conclusion the utility model has the advantages that:
1st, one end that upper extension spring and lower extension spring are located remotely from each other is connected respectively with motor and pedestal, close to each other One end is connected respectively with energy dissipating steel ball both ends, is driven when motor shakes and is stretched telescopic spring vibrations, and upper stretching spring band, which moves, to disappear Energy steel ball moves up and down, and the effect of inertia of energy dissipating steel ball makes its vibration frequency have hysteresis quality, motor vibrations side compared with motor To the vibrations direction of major part and energy dissipating steel ball on the contrary, the kinetic energy that motor part vibrations generate is offset by energy dissipating steel ball, reduce The vibrations of motor are transferred to pedestal, reduce the vibrations that motor generates and are transferred to testing stand;
2nd, one end that upper elastic string and lower elastic string are located remotely from each other is connected respectively with motor and pedestal, one end close to each other It is connected respectively with energy dissipating steel ball both ends, upper elastic string is driven to stretch vibrations when motor shakes, on upper elastic string drive energy dissipating steel ball Lower movement, the effect of inertia of energy dissipating steel ball make its vibration frequency have hysteresis quality compared with motor, and motor vibrations direction is most of With the vibrations direction of energy dissipating steel ball on the contrary, the kinetic energy that motor part vibrations generate is offset by energy dissipating steel ball, reduce the shake of motor It is dynamic to be transferred to pedestal, it reduces the vibrations that motor generates and is transferred to testing stand;
3rd, equipped with water in energy dissipating steel ball, when energy dissipating steel ball shakes, driving water, the direction of motion of water changes frequency in internal flow Rate is smaller than energy dissipating steel ball vibrations direction change frequency, and the movement of water has hysteresis quality, the direction of motion of water compared with energy dissipating steel ball There is a situation where opposite with the energy dissipating steel ball direction of motion, a part of kinetic energy of energy dissipating steel ball can be offset.
Description of the drawings
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is the schematic diagram for embodying damping device structure;
Fig. 3 is the schematic diagram for embodying energy dissipating steel ball structure;
Fig. 4 is the schematic diagram for embodying upper elastic string and lower elastic rope structure.
In figure, 1, pedestal;2nd, column;3rd, motor;4th, paddle;5th, damping device;51st, upper extension spring;52nd, lower stretching Spring;53rd, energy dissipating steel ball;54th, connection ring;55th, upper draw ring;56th, lower draw ring;57th, water;58th, upper elastic string;59th, lower elastic string; 6th, resilient rubbber cushion;7th, silica-gel antiskid pad.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1:A kind of agitator for cement mortar with damping device, as shown in Figure 1, agitator for cement mortar includes Pedestal 1, the vertical column 2 being fixedly connected on above pedestal 1 and the motor 3 for being arranged on 2 upper end of column, the shell of motor 3 is with standing Column 2 is fixedly connected, and pedestal 1 is supported on testing stand(It is not drawn into figure)Above.3 output shaft of motor is connected with paddle 4, motor 3 Paddle 4 can be driven to rotate, paddle 4 is used to be stirred cement when rotating.Motor 3 can generate vibrations when running, and shake It is dynamic that testing stand is transferred to by column 2 and pedestal 1, testing stand is caused to generate certain vibrations, influence is placed on testing stand The normal work of other instruments.Damping device 5 is located at the one end of motor 3 away from paddle 4, and positioned at motor 3 and pedestal 1 it Between, 5 one end of damping device and the cage connection of motor 3, the other end are connected with pedestal 1, for absorbing the vibrations of the generation of motor 3.
Four Angle Positions below 3 pedestal 1 of motor are fixedly connected with flexible rubber pad 6, and resilient rubbber cushion 6 is away from pedestal 1 one side and testing stand surface are inconsistent, when pedestal 1 shakes resilient rubbber cushion 6 are driven to shake, the frequency that pedestal 1 shakes and elasticity The vibration frequency of rubber pad 6 is different, and the vibrations direction of pedestal 1 is most of on the contrary, pedestal 1 with the vibrations direction of resilient rubbber cushion 6 The kinetic energy of a part of kinetic energy and resilient rubbber cushion 6 of vibrations is cancelled out each other, and is transferred so as to reduce vibrations to testing stand.
Resilient rubbber cushion 6 has been fixedly connected with one layer of silica-gel antiskid pad 7 below, and silica-gel antiskid pad 7 can prevent that cement is net Slurry mixer be subject to 57 squares of water to thrust after slide along testing stand, energy dissipating steel ball 53 is avoided to subtract along 57 squares of water to swing It is small pedestal 1 is generated 57 squares of water to vibrations.
As shown in Fig. 2, damping device 5 includes upper extension spring 51, lower extension spring 52 and positioned at upper 51 and of extension spring Energy dissipating steel ball 53 between lower extension spring 52, upper extension spring 51 and lower extension spring 52 keep vertical state and vertical It is mutually aligned on direction.53 top and bottom of energy dissipating steel ball have been fixedly connected with connection ring 54, the drawing of upper 51 lower end of extension spring Hook and 54 clasp joint of connection ring of 53 upper end of energy dissipating steel ball, the drag hook of lower 52 upper end of extension spring and the connection of 53 lower end of energy dissipating steel ball 54 clasp joint of ring.
Draw ring 55 is fixedly connected with below the shell of motor 3, pedestal 1 is fixedly connected with upper draw ring 55 vertical above The lower draw ring 56 to align on direction, the drag hook of upper 51 upper end of extension spring and upper 55 clasp joint of draw ring, lower 52 lower end of extension spring Drag hook and lower 56 clasp joint of draw ring.Upper extension spring 51 and lower extension spring 52 are in tensional state.
Motor 3 can move up and down when shaking vertically, during motor 3 moves upwards, gradually stretch and stretch Spring 51, upper extension spring 51 gradually extends, while a part of kinetic energy of motor 3 is converted into elastic potential energy, upward to motor 3 It moves into row buffering.Upper extension spring 51 drives energy dissipating steel ball 53 to move upwards, and 53 mass of energy dissipating steel ball is bigger, effect of inertia Bigger, energy dissipating steel ball 53 will not be moved upwards with upper extension spring 51 quickly.After energy dissipating steel ball 53 moves upwards, under drive Extension spring 52 extends, and a part of kinetic energy of energy dissipating steel ball 53 is converted into elastic potential energy by lower extension spring 52, to energy dissipating steel ball 53 into row buffering.The tension of extension spring 52 is descended gradually to increase at this time, the tension of upper extension spring 51 is gradually reduced.
The vibration frequency of motor 3 is lower than the vibration frequency of energy dissipating steel ball 53, when energy dissipating steel ball 53 continues up, electricity Machine 3 shakes direction and changes and move downward, and upper extension spring 51 is gradually shortened, and upper extension spring 51 shortens to a certain extent Afterwards, the tension of lower extension spring 52 is more than the tension of upper extension spring 51, and upper extension spring 51 is small to the pulling force of energy dissipating steel ball 53 In the pulling force of lower extension spring 52, energy dissipating steel ball 53, which tapers off, to be moved upwards, and is then moved downward, at this point, motor 3 may be again It moves upwards, so on circulate, reaches energy dissipating purpose.The vibrations that motor 3 is transferred to column 2 are reduced, reduce vibrations to pedestal 1 It transfers, so as to which the vibrations for reducing the generation of motor 3 are transferred to testing stand.
As shown in figure 3, energy dissipating steel ball 53 is hollow structure, inside is equipped with water 57, and the volume of water 57 is in energy dissipating steel ball 53 The half of chamber volume.When energy dissipating steel ball 53 shakes, water 57 is driven to move, the vibration frequency of water 57 and the vibrations frequency of energy dissipating steel ball 53 Rate is different, and effect of inertia size is also different.When energy dissipating steel ball 53 moves downward drive water 57 move downward, when energy dissipating steel ball 53 to During upper movement, water 57 may also have the trend moved downward, at this point, water 57 offsets a part of kinetic energy of energy dissipating steel ball 53, subtract The vibration amplitude of small energy dissipating steel ball 53.
The course of work:When motor 3 is run, the flexible vibrations of extension spring 51, upper extension spring 51 drive energy dissipating steel in drive Ball 53 moves up and down, and energy dissipating steel ball 53 drives the lower flexible vibrations of extension spring 52.When motor 3 moves downward, upper extension spring 51 It being gradually shortened, the tension of lower extension spring 52 is more than the tension of upper extension spring 51, since the weight of energy dissipating steel ball 53 is bigger, Effect of inertia is bigger, will not be moved downward quickly with lower extension spring 52.The vibration frequency of motor 3 is more than energy dissipating steel ball 53 Vibration frequency, when energy dissipating steel ball 53 moves downward, motor 3 may start to move upwards, and upper extension spring 51, which is gradually stretched, stretches Long, the kinetic energy of energy dissipating steel ball 53 is cancelled out each other with a kinetic energy part for motor 3, so as to weaken the energy of the vibrations of motor 3, reduces electricity The vibrations of machine 3 reduce the vibrations that motor 3 is transferred to pedestal 1 by column 2, so as to which the vibrations for reducing motor 3 are transferred to experiment Platform.
Embodiment 2:Difference from Example 1 is, as shown in figure 4, being equipped between energy dissipating steel ball 53 and upper draw ring 55 Upper elastic string 58, upper 58 upper end of elastic string are fixedly connected with upper draw ring 55, lower end and 53 upper end of energy dissipating steel ball of upper elastic string 58 Connection ring 54 be fixedly connected.Lower elastic string 59 is equipped between energy dissipating steel ball 53 and lower draw ring 56, lower 59 upper end of elastic string is with disappearing The connection ring 54 of 53 lower end of energy steel ball is fixedly connected, and lower 59 lower end of elastic string is fixedly connected with lower draw ring 56.Upper 58 He of elastic string Lower elastic string 59 is in the state of being stretched.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but As long as it is all protected in the right of the utility model be subject to Patent Law.

Claims (6)

1. a kind of agitator for cement mortar with damping device, including motor(3)With to motor(3)The pedestal being supported (1), it is characterized in that:Motor(3)And pedestal(1)Between be equipped with damping device(5), damping device(5)Including one end and motor(3) Connect the other end and pedestal(1)The elastic parts of connection and the energy dissipating steel ball being connected with elastic parts(53).
2. a kind of agitator for cement mortar with damping device according to claim 1, it is characterized in that:The elasticity group Part includes upper extension spring(51)With lower extension spring(52), motor(3)On be fixedly connected with draw ring(55), pedestal(1)On It is fixedly connected with lower draw ring(56), energy dissipating steel ball(53)Upper and lower ends have been fixedly connected with connection ring(54);Upper extension spring (51)One end and upper draw ring(55)The clasp joint other end and energy dissipating steel ball(53)The connection ring of upper end(54)Clasp joint, lower extension spring (52)One end and lower draw ring(56)The clasp joint other end and energy dissipating steel ball(53)The connection ring of lower end(54)Clasp joint, upper extension spring (51)With lower extension spring(52)It is in the state of being stretched.
3. a kind of agitator for cement mortar with damping device according to claim 1, it is characterized in that:The elasticity group Part includes upper elastic string(58)With lower elastic string(59), motor(3)On be fixedly connected with draw ring(55), pedestal(1)Upper fixation It is connected with lower draw ring(56), energy dissipating steel ball(53)Upper and lower ends have been fixedly connected with connection ring(54);Upper elastic string(58)One end With upper draw ring(55)It is fixedly connected with the other end and energy dissipating steel ball(53)The connection ring of upper end(54)It is fixedly connected, lower elastic string(59) One end and lower draw ring(56)It is fixedly connected with the other end and energy dissipating steel ball(53)The connection ring of lower end(54)It is fixedly connected, upper elastic string (58)With lower elastic string(59)It is in the state of being stretched.
4. a kind of agitator for cement mortar with damping device according to any one of claims 1 to 3, it is characterized in that: The energy dissipating steel ball(53)For hollow structure, energy dissipating steel ball(53)It is interior that water is housed(57), water(57)Volume be less than energy dissipating steel ball (53)The volume of inner cavity.
5. a kind of agitator for cement mortar with damping device according to any one of claims 1 to 3, it is characterized in that: The pedestal(1)Resilient rubbber cushion is fixedly connected with below(6), resilient rubbber cushion(6)Away from pedestal(1)One side and testing stand Surface is inconsistent.
6. a kind of agitator for cement mortar with damping device according to claim 5, it is characterized in that:The elasticity rubber Rubber cushion(6)Silica-gel antiskid pad is fixedly connected with below(7), silica-gel antiskid pad(7)Away from resilient rubbber cushion(6)One side and experiment Platform surface is inconsistent.
CN201721247692.5U 2017-09-26 2017-09-26 A kind of agitator for cement mortar with damping device Expired - Fee Related CN207448791U (en)

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Application Number Priority Date Filing Date Title
CN201721247692.5U CN207448791U (en) 2017-09-26 2017-09-26 A kind of agitator for cement mortar with damping device

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Application Number Priority Date Filing Date Title
CN201721247692.5U CN207448791U (en) 2017-09-26 2017-09-26 A kind of agitator for cement mortar with damping device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108941184A (en) * 2018-07-09 2018-12-07 台州骊威环保科技有限公司 A kind of breaking soil remediation equipment of modified form

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108941184A (en) * 2018-07-09 2018-12-07 台州骊威环保科技有限公司 A kind of breaking soil remediation equipment of modified form

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Granted publication date: 20180605