CN208584549U - Wear-resisting reaction tube grabbing device and analyzer - Google Patents
Wear-resisting reaction tube grabbing device and analyzer Download PDFInfo
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- CN208584549U CN208584549U CN201821011152.1U CN201821011152U CN208584549U CN 208584549 U CN208584549 U CN 208584549U CN 201821011152 U CN201821011152 U CN 201821011152U CN 208584549 U CN208584549 U CN 208584549U
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Abstract
The utility model utility model discloses a kind of wear-resisting reaction tube grabbing device and analyzer, is related to analyzer equipment technical field.The wear-resisting reaction tube grabbing device includes the clamp device for clamping reaction tube and the driving device for driving the clamp device, wear-resistant device is provided between the driving device and clamp device, the wear-resistant device includes the wear-resisting spill spin block being fixedly connected with driving device and the wear-resisting fixed block that is fixedly connected with the clamp device, cooperate between the wear-resisting spill spin block and wear-resisting fixed block for rolling friction, the driving device controls the folding of the clamp device by driving the rotation of the wear-resisting spill spin block.The utility model can reduce the abrasion of reaction tube grabbing device.
Description
Technical field
The utility model relates to analyzer equipment technical fields, and in particular to a kind of wear-resisting reaction tube grabbing device and analysis
Instrument.
Background technique
In the instruments such as current Full-automatic chemiluminescence analyzer and automatic clinical chemistry analyzer, reaction tube grabbing device
Mainly using electromagnet or motor as driving source.In reaction tube grabbing device, two phase interworkings are usually included at least
The handgrip of conjunction, electromagnet or motor make the relative position between each handgrip change, Jin Ershi by driving each handgrip
Now to the crawl of reaction tube, displacement and placement work.
But in actual use process and further R & D design, the inventor of the present application discovered that current reaction tube
The structure of grabbing device is simultaneously unreliable, and main cause is for example following:
Under chemiluminescent analyzer working condition, reaction tube grabbing device is all high frequency time in grasping movement and placement
Switch between movement, so be also further exacerbated by the degree of wear between driving device and handgrip, and then serious affects
The service life of reaction tube grabbing device.
For these reasons, the abrasion journey in current reaction tube grabbing device, between driving device and grabbing device
Degree has become for Failure Factors most important in reaction tube grabbing device, seriously limits the reliability of reaction tube grabbing device.
Utility model content
The utility model provides a kind of wear-resisting reaction tube grabbing device and analyzer that can effectively reduce abrasion.
In order to solve the above technical problems, the utility model offer technical solution is as follows:
A kind of wear-resisting reaction tube grabbing device, including the clamp device for clamping reaction tube and for driving the clamping
The driving device of device, is provided with wear-resistant device between the driving device and clamp device, the driving device and sliding fill
Be provided with anticollision device, collision-prevention device between setting, the wear-resistant device include the wear-resisting spill spin block being fixedly connected with driving device and with the folder
The wear-resisting fixed block that device is fixedly connected is taken, is cooperated between the wear-resisting spill spin block and wear-resisting fixed block for rolling friction, it is described
Driving device controls the folding of the clamp device by driving the rotation of the wear-resisting spill spin block.
Further, the wear-resisting spill spin block is cam, is cooperated between the cam and wear-resisting fixed block for line face contact.
Further, the wear-resisting fixed block is bearing or annulus.
Further, the driving device includes motor mount and the electricity that is fixedly connected on the motor mount
Machine, the output end of the motor are fixedly connected with the wear-resisting spill spin block.
Further, it is provided on the wear-resisting spill spin block along the rotation center of the wear-resisting spill spin block outwardly extending
Two optoelectronic switches are provided with the second optoelectronic switch baffle with second optoelectronic switch cooperation on the motor mount.
Further, the clamp device includes two folding mounting portions being mutually rotatablely connected, two folding peaces
Dress portion is vertically installed in the lower section of the driving device, and the lower end of two folding mounting portions is separately provided for and reacts
The claw of pipe cooperation, the wear-resisting fixed block are fixedly connected on the folding mounting portion and are located at described in the claw and two
Between the rotating joint for opening and closing mounting portion.
Further, elastomeric element is provided between two folding mounting portions.
Further, two it is described folding mounting portion side walls on be respectively arranged with third optoelectronic switch and with the third
The third optoelectronic switch baffle that optoelectronic switch matches.
A kind of analyzer, including any of the above-described wear-resisting reaction tube grabbing device, the wear-resisting reaction tube crawl dress
It sets and is slidably connected on analyzer.
Compared with prior art, the utility model has the following beneficial effects:
The wear-resisting reaction tube grabbing device and analyzer of the utility model are arranged resistance between driving device and clamp device
Mill apparatus, wherein driving device drives wear-resisting spill spin block rotation, and wear-resisting fixed block is under the rolling friction cooperation of wear-resisting spill spin block
Rotation, and clamp device is driven to rotate, thus realize the folding of clamp device, i.e. clamping of the realization clamp device to reaction tube.
For the utility model by setting wear-resistant device, wear-resisting spill spin block and wear-resisting fixed block are solid with driving device and clamp device respectively
Fixed connection, rolling friction cooperates between wear-resisting spill spin block and wear-resisting fixed block, so that driving device does not connect directly with clamp device
Touching.Therefore, when driving device drive control clamp device opens and closes, exist between only wear-resisting spill spin block and wear-resisting fixed block and rub
It wipes, driving device and clamp device are not in abrasion, and are rolling friction between wear-resisting spill spin block and wear-resisting fixed block
Cooperation, reduces the degree of wear between wear-resisting spill spin block and wear-resisting fixed block.Even if being worn after a certain period of time in rotation,
Also wear-resisting spill spin block or wear-resisting fixed block are only needed to change, effectively reduce wear-resisting reaction tube grabbing device production and use at
This, improves the service life of wear-resisting reaction tube grabbing device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the wear-resisting reaction tube grabbing device of the utility model, and two of them open and close at mounting portion
In closed state;
Fig. 2 is the structural schematic diagram of the wear-resisting reaction tube grabbing device of the utility model, and two of them open and close at mounting portion
In opening state;
Fig. 3 is that the wear-resisting reaction tube grabbing device of the utility model has the structural schematic diagram of collision prevention function;
Fig. 4 is that the wear-resisting reaction tube grabbing device of the utility model has the configuration schematic diagram of collision prevention function;
Fig. 5 is the structural schematic diagram of the analyzer of the utility model.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
The utility model provides a kind of wear-resisting reaction tube grabbing device, as shown in Figures 1 to 4, including for clamping reaction
The clamp device 2 of pipe and driving device 1 for driving clamp device 2, are provided with resistance between driving device 1 and clamp device 2
Mill apparatus 3, wear-resistant device 3 include the wear-resisting spill spin block 3-2 being fixedly connected with driving device 1 and are fixedly connected with clamp device 2
Wear-resisting fixed block 3-1, cooperate between wear-resisting spill spin block 3-2 and wear-resisting fixed block 3-1 for rolling friction, driving device 1 passes through
The rotation of wear-resisting spill spin block 3-2 is driven to control the folding of clamp device 2.
Wear-resistant device is arranged between driving device 1 and clamp device 2 in the wear-resisting reaction tube grabbing device of the utility model
3, wherein driving device 1 drives wear-resisting spill spin block 3-2 to rotate, rolling friction of the wear-resisting fixed block 3-1 in wear-resisting spill spin block 3-2
The lower rotation of cooperation, and clamp device 2 is driven to rotate, to realize the folding of clamp device 2, that is, realize 2 pairs of clamp device reactions
The clamping of pipe.The utility model by setting wear-resistant device 3, wear-resisting spill spin block 3-2 and wear-resisting fixed block 3-1 respectively with driving
Device 1 is fixedly connected with clamp device 2, and rolling friction cooperates between wear-resisting spill spin block 3-2 and wear-resisting fixed block 3-1, so that driving
Dynamic device 1 is not directly contacted with clamp device 2.Therefore, only wear-resisting when 1 drive control clamp device 2 of driving device opens and closes
There is friction between spill spin block 3-2 and wear-resisting fixed block 3-1, driving device 1 and clamp device 2 are not in abrasion, and
Cooperate between wear-resisting spill spin block 3-2 and wear-resisting fixed block 3-1 for rolling friction, reduces wear-resisting spill spin block 3-2 and wear-resisting fixation
The degree of wear between block 3-1.Even if wearing after a certain period of time in rotation, wear-resisting spill spin block 3-2 or resistance to is also only needed to change
Fixed block 3-1 is ground, the production and use cost of wear-resisting reaction tube grabbing device is effectively reduced, improves wear-resisting reaction tube
The service life of grabbing device.
In an embodiment of the present invention, the first optoelectronic switch 4-3 is using the first optoelectronic switch baffle 4-2 to the first photoelectricity
The light beam of switch 4-3 transmitting is blocked or is reflected, to detect height of the driving device 1 in the vertical direction relative to crash-proof bracket 4-1
Degree.When installing the first optoelectronic switch 4-3 and the first optoelectronic switch baffle 4-2, the first optoelectronic switch baffle 4-2 screening can be set
When blocking the light beam of the first optoelectronic switch 4-3, driving device 1 is that clamp device 2 is normally transported relative to the height of crash-proof bracket 4-1
Row, there is no collisions;When the first optoelectronic switch baffle 4-2 cannot block or reflect the light beam of the first optoelectronic switch 4-3 transmitting
When, driving device 1 changes relative to the height of crash-proof bracket 4-1, judges that clamp device 2 has knocked a certain barrier.?
When the first optoelectronic switch baffle 4-2 can be set not sheltering from the light beam of the first optoelectronic switch 4-3, driving device 1 relative to
The height of crash-proof bracket 4-1 is the normal operation of clamp device 2, and there is no collisions;Block as the first optoelectronic switch baffle 4-2 or
When reflecting the light beam of the first optoelectronic switch 4-3 transmitting, driving device 1 changes relative to the height of crash-proof bracket 4-1, judgement
Clamp device 2 has knocked a certain barrier.
In an embodiment of the present invention, wear-resisting spill spin block 3-2 and wear-resisting fixed block 3-1 in wear-resistant device 3 can be selected
It is made of the preferable material of wear-resisting property, such as acetal resin (i.e. POM), nylon, to extend the use of wear-resistant device 3
Service life.
In an embodiment of the present invention, wear-resisting spill spin block 3-2 is preferably cam, between cam and wear-resisting fixed block 3-1
For the cooperation of line face contact.
Cam can be led to using the structure type that a cylindrical body is milled out to the plane that two are parallel to each other along its axial component
Cross the folding size for designing the i.e. controllable clamp device 2 of the vertical range between two plane and the axis of cylindrical body.
In the utility model, wear-resisting fixed block 3-1 can have a variety of structures form, need to only guarantee the ground of itself and cam contact
Side is curved surface, and such as wear-resisting fixed block 3-1 both can be bearing or annulus, or cuboid or cube structure.
In an embodiment of the present invention, driving device 1 can use motor-driven structure type, specifically, driving
The motor 1-2 that device 1 preferably includes motor mount 1-1 and is fixedly connected on motor mount 1-1, the output of motor 1-2
End is fixedly connected with wear-resisting spill spin block 3-2.Motor 1-2 drives wear-resisting spill spin block 3-2 to rotate around the axis of motor 1-2 when rotating,
Rolling friction cooperation between wear-resisting spill spin block 3-2 and wear-resisting fixed block 3-1 promotes clamp device 2 to carry out open and close movement, so as to
In clamping of the clamp device 2 to reaction tube.It can be fixed using jackscrew between the output shaft of motor 1-2 and wear-resisting spill spin block 3-2,
So that wear-resisting spill spin block 3-2 can do moved in coaxial together with motor 1-2.
In order to judge whether motor 1-2 drives wear-resisting spill spin block 3-2 to rotate, so judge clamp device 2 whether open or
It is closed, in an embodiment of the present invention, the rotation center along wear-resisting spill spin block 3-2 is preferably provided on wear-resisting spill spin block 3-2
The second light with the second optoelectronic switch 3-3 cooperation is provided on outwardly extending second optoelectronic switch 3-3, motor mount 1-1
Electric switch baffle 3-4 baffle.It, can be in the outer of cylindrical body when wear-resisting spill spin block 3-2 is the cam being processed by cylindrical body
Edge processes an open slot for installing the second optoelectronic switch 3-3.Second optoelectronic switch 3-3 utilizes the second optoelectronic switch baffle 3-4
Baffle is blocked or is reflected to the second optoelectronic switch 3-3 light beam emitted, to detect the rotation angle of motor 1-2.In installation second
Optoelectronic switch 3-3 and when the second optoelectronic switch baffle 3-4 baffle, can be set the second optoelectronic switch baffle 3-4 and shelters from second
When the light beam of optoelectronic switch 3-3, motor 1-2 controls wear-resisting spill spin block 3-2 rotation and is in closed state so that clamping rotary device 2,
When motor 1-2 rotates a certain angle prevent the second optoelectronic switch baffle 3-4 is from blocking or reflecting the second optoelectronic switch 3-3 hair
When the light beam penetrated, clamp device 2 is in the open state.Also the second optoelectronic switch baffle 3-4 can be set and shelter from the second photoelectricity
When the light beam of switch 3-3, motor 1-2 controls wear-resisting spill spin block 3-2 and rotates so that clamping rotary device 2 is in the open state, works as electricity
Machine 1-2 rotates a certain angle prevent the second optoelectronic switch baffle 3-4 is from blocking or reflecting the second optoelectronic switch 3-3 transmitting
When light beam, clamp device 2 is in closed state.
In an embodiment of the present invention, it is also provided with spring 2-5 between two folding mounting portion 2-2, two are opened
Conjunction mounting portion 2-2 is either in the open state or closed state, spring 2-5 are in tension always.Motor 1-2 is driving
When moving wear-resisting spill spin block 3-2 rotation, spring 2-5 can guarantee that wear-resisting spill spin block 3-2 and wear-resisting fixed block 3-1 are in rolling friction
Mated condition, in order to the folding of two folding mounting portion 2-2.In addition, the setting of spring 2-5 can also guarantee two folding peaces
In the closure state, two claw 2-1 can clamp reaction tube without falling reaction tube to dress portion 2-2 securely.
In an embodiment of the present invention, in order to detect two folding mounting portion 2-2 in closure, whether claw is clamped
Reaction tube can be opened and closed with one wherein and third optoelectronic switch 2-4 is arranged on the side wall of mounting portion 2-2, in another folding peace
The third optoelectronic switch baffle 2-3 that can be matched with third optoelectronic switch 2-4 is set on the side wall of dress portion 2-2.It is opened when two
It closes mounting portion 2-2 to open under the driving of motor 1-1, and third optoelectronic switch baffle 2-3 cannot block or reflect third light
When the light beam of electric switch 2-4 transmitting, judge that two claws do not grab reaction tube;When two folding mounting portion 2-2 are in motor 1-1
Driving under be closed, and third optoelectronic switch baffle 2-3 is blocked or is reflected to the third optoelectronic switch 2-4 light beam emitted
When, judge that two claws have grabbed reaction tube.
As a kind of improvement of the utility model, wear-resisting reaction tube grabbing device can also have collision prevention function, specifically may be used
It is realized with using with flowering structure.
As shown in figure 3, the wear-resisting reaction tube grabbing device of the utility model can also include for connecting with analyzer
Carriage 5, is provided with anticollision device, collision-prevention device 4 between driving device 1 and carriage 5, anticollision device, collision-prevention device 4 includes and 1 bullet of driving device
Property connection crash-proof bracket 4-1, crash-proof bracket 4-1 is fixedly connected on carriage 5, on crash-proof bracket 4-1 and driving device 1
It is respectively arranged with mutually matched first optoelectronic switch 4-3 and the first optoelectronic switch baffle 4-2.
The reaction tube clamp device 2 of the utility model is in normal course of operation, and driving device 1 is in self gravity and outside
Elastic force effect is lower to be fixedly connected with crash-proof bracket 4-1, and anticollision device, collision-prevention device 4 is used to support driving device 1;When clamp device 2 and driving
Device 1 moves up and down under the drive of carriage 5 when colliding, because being influenced by barrier, clamp device 2 and driving
Device 1 stops moving up and down, and anticollision device, collision-prevention device 4 still moves up and down under the action of carriage 5, due to driving device 1 and prevents
The elastic force effect between bracket 4-1 is hit, the changing of the relative positions of upper and lower displacement will be will form between driving device 1 and anticollision device, collision-prevention device 4, at this point,
It is mounted on the sensed position of the into and out first optoelectronic switch baffle 4-2 of the first optoelectronic switch 4-3 on crash-proof bracket 4-1,
Analyzer according between the first optoelectronic switch 4-3 signal determining driving device 1 fed back and anticollision device, collision-prevention device 4 whether there is upper bottom
The changing of the relative positions of shifting, and if it exists, then control 5 stop motion of carriage, thus it can be prevented that carriage 5 because driving driving device 1
With clamp device 2 overcome the resistance persistent movement of barrier and cause wear-resisting reaction tube grabbing device and other components into one
Damaged in collision is walked, the service life of wear-resisting reaction tube grabbing device and analyzer is improved.
In an embodiment of the present invention, the elastic connection way between crash-proof bracket 4-1 and driving device 1 can be used
Following structure type: boss 4-1-1, the lower end surface of driving device 1 and boss 4-1- has can be set in the bottom of crash-proof bracket 4-1
1 upper surface is engaged, and is provided with pressure spring 4-6 between the upper end of driving device 1 and the upper end of crash-proof bracket 4-1.Specifically,
One inner hole can be set in the upper surface of motor mount 1-1, one end of pressure spring 4-6 is set in inner hole, crash-proof bracket 4-1
Upper end a protrusion both can be set for fixing the other end of pressure spring 4-6, can also connect the upper end of crash-proof bracket 4-1 is fixed
A circuit board rack 6 is connect, the other end of the circuit board rack 6 in addition to that can fix pressure spring 4-6 can also be used to installation for receiving and transmitting signal
Control the movement of wear-resisting reaction tube grabbing device.
The wear-resisting reaction tube grabbing device of the utility model embodiment is when operating normally, since the pressure of pressure spring 4-6 is made
With the upper surface of boss 4-1-1 is close in the lower end surface of motor mount 1-1 always, to guarantee crash-proof bracket 4-1 to driving device
1 and clamp device 2 supporting role, prevent driving device 1 and clamp device 2 from moving with respect to crash-proof bracket 4-1, influence clamping dress
Set the squeeze motion of 2 pairs of reaction tubes.
In an embodiment of the present invention, in addition to using pressure spring 4-6 and boss between driving device 1 and crash-proof bracket 4-1
Except the elastic connection way of 4-1-1, when clamp device 2 collides, in order to guarantee driving device 1 not further with anticollision
Bracket 4-1 is moved up and down, and the guide slide mechanism of vertical direction can also be arranged between crash-proof bracket 4-1 and driving device 1, tool
Body, guide rail 4-4 has can be set in the side of crash-proof bracket 4-1, is then provided in driving device 1 and is slidably connected with guide rail 4-4
Sliding block 4-5.Wherein sliding block 4-5 can specifically be mounted on the side of motor mount 1-1.
In addition, when driving device 1 is moved up and down relative to crash-proof bracket 4-1, due to the influence of applied external force, motor
Mounting base 1-1 is possible to hit again after being detached from the upper surface of boss 4-1-1, at this time motor mount 1- in order to prevent
Because shock damages between 1 and boss 4-1-1, anticollision glue preferably is set in the upper surface of boss 4-1-1.Anticollision glue is for delaying
The impact force between motor mount 1-1 and boss 4-1-1 is rushed, protection motor mount 1-1 and boss 4-1-1 is not damaged.
Here anticollision glue is either adhesive tape, is also possible to the blob of viscose being discontinuously arranged on the upper surface boss 4-1-1.
In an embodiment of the present invention, clamp device 2 can using two claw 2-1 frame mode to reaction tube into
Row clamping, specifically, clamp device 2 can be used with flowering structure connection card pawl 2-1 and driving device 1, clamp device 2 is preferred to be wrapped
It includes folding mounting portion 2-2, two folding mounting portion 2-2 that two are mutually rotatablely connected and is vertically installed in the lower section of driving device 1,
The lower ends of two folding mounting portion 2-2 are separately provided for the claw 2-1 cooperated with reaction tube, and wear-resisting fixed block 3-1 is fixed
It is connected on folding mounting portion 2-2 and is located between claw 2-1 and the rotating joint of two folding mounting portion 2-2.Two are opened
Conjunction mounting portion 2-2 can be in one end by the rotation axis 2-5 connection of vertical direction, and folding mounting portion 2-2 passes through around rotation axis
The axis rotation of 2-5 is opened and closed, and the upper end of rotation axis 2-5, which can be used with the lower end of motor mount 1-1, to be threadedly coupled
Mode is attached, so that folding mounting portion 2-2 can not only fix the lower section for being suspended on driving device 1, but also can be relative to turning
Moving axis 2-5 rotation.Two claw 2-1 are separately mounted to the medial surface of two folding mounting portion 2-2, and two claw 2-1 are used
The lower section of two folding mounting portion 2-2 is extended downwardly out in the lower end of clamping reaction tube, in order to the clamping to reaction tube.It is wear-resisting
Fixed block 3-1 is fixedly connected on position corresponding with wear-resisting spill spin block 3-2 on folding mounting portion 2-2, and is located at claw 2-1
Between rotation axis 2-5, when motor 1-2 drives wear-resisting spill spin block 3-2 rotation, wear-resisting fixed block 3-1 is wear-resisting spill spin block 3-2's
It drives two folding mounting portion 2-2 to rotate under rolling friction cooperation around the axis of rotation axis 2-5, two cards is opened and closed with this
Pawl 2-1.
On the other hand, the utility model also provides a kind of analyzer, as shown in Figures 1 to 5, including any of the above-described described
Wear-resisting reaction tube grabbing device.
As shown in figure 4, the carriage 5 of wear-resisting reaction tube grabbing device can level be slidably connected on analyzer, protect
After card reaction tube grabbing device is mounted on analyzer, claw 2-1 can also be moved all around other than it can move up and down
It is dynamic, in order to each reaction tube on comprehensive crawl analyzer.
Wherein, the side that the carriage 5 of wear-resisting reaction tube grabbing device can be combined using guide rail 5-2 with sliding block 5-1
Formula can also use the structure type of screw, technical solution of the present invention may be implemented.When using guide rail 5-2 and cunning
When the mode that block 5-1 is combined, guide rail 5-2 can be fixedly connected on analysis or more, and sliding block 5-1 is then fixed with crash-proof bracket 4-1
Connection.
Here carriage 5 can also use taenidium using guide rail 5-2 in such a way that sliding block 5-1 is combined
The structure type of thick stick, may be implemented the technical solution of the utility model.When the side combined using guide rail 5-2 with sliding block 5-1
When formula, guide rail 5-2 can be fixedly connected on analyzer, and sliding block 5-1 is then fixedly connected with crash-proof bracket 4-1.
On the one hand, the wear-resisting reaction tube grabbing device of the utility model is arranged resistance between driving device 1 and clamp device 2
Mill apparatus 3, wherein driving device 1 drives wear-resisting spill spin block 3-2 to rotate, rolling of the wear-resisting fixed block 3-1 in wear-resisting spill spin block 3-2
The lower rotation of dynamic friction cooperation, and clamp device 2 is driven to rotate, to realize the folding of clamp device 2, that is, realize clamp device 2
Clamping to reaction tube.The utility model passes through setting wear-resistant device 3, wear-resisting spill spin block 3-2 and wear-resisting fixed block 3-1 difference
It being fixedly connected with driving device 1 and clamp device 2, rolling friction cooperates between wear-resisting spill spin block 3-2 and wear-resisting fixed block 3-1,
So that driving device 1 is not directly contacted with clamp device 2.Therefore, when 1 drive control clamp device 2 of driving device opens and closes, only
Have and there is friction between wear-resisting spill spin block 3-2 and wear-resisting fixed block 3-1, driving device 1 and clamp device 2 are not in mill
Damage, and between wear-resisting spill spin block 3-2 and wear-resisting fixed block 3-1 for rolling friction cooperate, reduce wear-resisting spill spin block 3-2 with it is resistance to
Grind the degree of wear between fixed block 3-1.Even if wearing after a certain period of time in rotation, wear-resisting spill spin block 3- is also only needed to change
2 or wear-resisting fixed block 3-1, effectively reduces the production and use cost of wear-resisting reaction tube grabbing device, improves wear-resisting reaction
The service life of pipe grabbing device.
On the other hand, the wear-resisting reaction tube grabbing device of the utility model is arranged between driving device 1 and carriage 5
Anticollision device, collision-prevention device 4, wherein crash-proof bracket 4-1 and 1 elastic connection of driving device in anticollision device, collision-prevention device 4, and crash-proof bracket 4-1 and cunning
Dynamic device 5 is fixedly connected.The wear-resisting reaction tube grabbing device of the utility model is in normal course of operation, and driving device 1 is certainly
It is fixedly connected under body gravity and external elastic force effect with crash-proof bracket 4-1, anticollision device, collision-prevention device 4 is used to support driving device 1;Work as clamping
Device 2 and driving device 1 move up and down under the drive of carriage 5 when colliding, and because being influenced by barrier, clamp
Device 2 and driving device 1 stop moving up and down, and anticollision device, collision-prevention device 4 still moves up and down under the action of carriage 5, due to driving
Elastic force between dynamic device 1 and crash-proof bracket 4-1 acts on, and will will form upper and lower displacement between driving device 1 and anticollision device, collision-prevention device 4
The changing of the relative positions, at this point, the into and out first optoelectronic switch baffle 4-2 of the first optoelectronic switch 4-3 being mounted on crash-proof bracket 4-1
Sensed position, analyzer according between the first optoelectronic switch 4-3 signal determining driving device 1 fed back and anticollision device, collision-prevention device 4 whether
There are the changing of the relative positions of upper and lower displacement, and if it exists, then controls 5 stop motion of carriage, thus it can be prevented that carriage 5 because driving
Driving device 1 and clamp device 2 overcome the resistance persistent movement of barrier and cause wear-resisting reaction tube grabbing device and other zero
Component further hits against damage, improves the service life of wear-resisting reaction tube grabbing device and analyzer.
To sum up, the analyzer of the utility model both can be reduced wear-resisting by the way that wear-resistant device 3 and anticollision device, collision-prevention device 4 is rationally arranged
The abrasion of reaction tube grabbing device, and can prevent clamp device 2 and other components from severe crash occurs.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement
It also should be regarded as the protection scope of the utility model with retouching.
Claims (9)
1. a kind of wear-resisting reaction tube grabbing device, including the clamp device for clamping reaction tube and for driving the clamping to fill
The driving device set, which is characterized in that wear-resistant device, the wear-resistant device are provided between the driving device and clamp device
It is described resistance to including the wear-resisting spill spin block being fixedly connected with driving device and the wear-resisting fixed block being fixedly connected with the clamp device
It grinds and cooperates between spill spin block and wear-resisting fixed block for rolling friction, the rotation that the driving device passes through the driving wear-resisting spill spin block
Transfer the folding for controlling the clamp device.
2. wear-resisting reaction tube grabbing device according to claim 1, which is characterized in that the wear-resisting spill spin block is cam,
Cooperate between the cam and wear-resisting fixed block for line face contact.
3. wear-resisting reaction tube grabbing device according to claim 2, which is characterized in that the wear-resisting fixed block be bearing or
Annulus.
4. wear-resisting reaction tube grabbing device according to claim 1, which is characterized in that the driving device includes motor peace
Dress seat and the motor being fixedly connected on the motor mount, the output end of the motor and the fixed company of the wear-resisting spill spin block
It connects.
5. wear-resisting reaction tube grabbing device according to claim 4, which is characterized in that be provided on the wear-resisting spill spin block
Along outwardly extending second optoelectronic switch of the rotation center of the wear-resisting spill spin block, be provided on the motor mount with it is described
Second optoelectronic switch baffle of the second optoelectronic switch cooperation.
6. according to claim 1 to any wear-resisting reaction tube grabbing device in 5, which is characterized in that the clamp device
The folding mounting portion being mutually rotatablely connected including two, two folding mounting portions are vertically installed under the driving device
The lower end of side, two folding mounting portions is separately provided for the claw cooperated with reaction tube, and the wear-resisting fixed block is solid
Surely it is connected on the folding mounting portion and is located between the claw and the rotating joint of two folding mounting portions.
7. wear-resisting reaction tube grabbing device according to claim 6, which is characterized in that between two folding mounting portions
It is provided with elastomeric element.
8. wear-resisting reaction tube grabbing device according to claim 6, which is characterized in that the side of two folding mounting portions
The third optoelectronic switch baffle for being respectively arranged with third optoelectronic switch on wall and being matched with the third optoelectronic switch.
9. a kind of analyzer, which is characterized in that including the wear-resisting reaction tube grabbing device any in claim 1 to 8, institute
Wear-resisting reaction tube grabbing device is stated to be slidably connected on analyzer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821011152.1U CN208584549U (en) | 2018-06-28 | 2018-06-28 | Wear-resisting reaction tube grabbing device and analyzer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821011152.1U CN208584549U (en) | 2018-06-28 | 2018-06-28 | Wear-resisting reaction tube grabbing device and analyzer |
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