CN207629200U - A kind of adaptive zirconium matter mouth of a river detent mechanism - Google Patents

Abstract

The utility model is related to a kind of adaptive zirconium matter mouth of a river detent mechanisms, including are set to the fixation kit of the bottom of the mounting bracket, and fixation kit is fixed with the mouth of a river installing port on tundish bottom；And positioning component, the positioning component includes lifting unit and positioning unit, lifting unit is vertically arranged at the middle part of mounting bracket, its end passes through mounting bracket and fixation kit, it is set to the lower section of the fixation kit, positioning unit is set to the end of lifting unit, its engaging is set in the running channel inside the mouth of a river, the mouth of a river is fixed by using positioning unit, lifting unit is recycled to realize the mouth of a river and the centering of the mouth of a river installing port on tundish automatically, and it drives mouth of a river rotation to rise using lifting unit rotation and is inserted into the installing port of the mouth of a river, realize the installation at the mouth of a river and tundish, solve the mouth of a river in tundish connection procedure to it is middle positioning with automatically connect the technical issues of.

Description

A kind of adaptive zirconium matter mouth of a river detent mechanism

Technical field

The utility model is related to mouth of a river positioning device technical field, specially a kind of adaptive zirconium matter mouth of a river detent mechanism.

Background technology

With the rapid development of continuous casting technology, continuous casting has obtained being continuously updated the replacement therewith with functional refractory material, In order to cope with increasing requirement, almost all of functionality refractory material is all constantly towards long-life, Composite, more The direction of memberization is developed.

Due to the excellent chemical stability of zirconia material, zirconium oxide is a kind of advanced refractory raw material, and melting temperature is about For 2900 DEG C it can be improved glaze high temperature viscosity and expand viscosity change temperature range, have preferable thermal stability, content For 2%-3% when, the crack resistance energy of glaze can be improved.Also because its chemical inertness is big, therefore the chemical stability of glaze and resistance to can be improved Soda acid ability, moreover it is possible to play the role of opacifiers, therefore, zirconium matter tundish upper nozzle is in such as many unrefined steels, Gao Meng, height There is great application space in the fields such as oxygen steel, special alloy steel, screw-thread steel, pipe line steel, high pulling rate steel.

Wherein, a kind of sheet blank continuous casting tundish immersion is disclosed in the Chinese patent of Patent No. CN205496562U The upper head plate of mouth of a river positioning device, device framework is connect by fixed seat with the lower face of tundish ontology, and device framework is in Between wrap lower face vertical connection；Worm screw elevator is installed, centering job platform connects with fixed ring on the bottom plate of device framework It connects, submersed nozzle is installed in fixed ring, centering job platform is equipped with a threaded hole, the threaded hole on centering job platform It is connect with the threads of lead screw of worm screw elevator；The bottom plate of device framework is equipped with a guide rod, one end of centering job platform It is connect with connection sliding block, connection sliding block is equipped with pilot hole, and guide rod passes through the pilot hole on connection sliding block.With prior art phase Comparing has the characteristics that simple structure and reasonable design, still, in this art solutions, and not specifically discloses and how to realize water Mouthful with the centering of tundish, and when being installed, the mouth of a river it is vertical it is motionless heads into tundish upwards, it is easy that the mouth of a river is caused to damage Wound.

Utility model content

In view of the above problems, the utility model provides a kind of adaptive zirconium matter mouth of a river detent mechanism, by using positioning Unit fixes the mouth of a river, recycles lifting unit to realize the mouth of a river and the centering of the mouth of a river installing port on tundish automatically, and utilize Lifting unit rotation drives mouth of a river rotation to rise and is inserted into the installing port of the mouth of a river, realizes the installation at the mouth of a river and tundish, solves water Mouthful in tundish connection procedure to it is middle positioning with automatically connect the technical issues of, realize the perfection of the mouth of a river and tundish Abutting joint improves work efficiency.

To achieve the above object, the utility model provides the following technical solutions：

A kind of adaptive zirconium matter mouth of a river detent mechanism, including：

Mounting bracket, the mounting bracket are frame mounting bracket；

Fixation kit, the fixation kit are set to the bottom of the mounting bracket, pacify with the mouth of a river on tundish bottom Dress mouth is fixed；And

Positioning component, the positioning component include lifting unit and positioning unit, and the lifting unit is vertically arranged at institute The middle part of mounting bracket is stated, end passes through the mounting bracket and the fixation kit, is set to the lower section of the fixation kit, described Positioning unit is set to the end of the lifting unit, and engaging is set in the running channel inside the mouth of a river.

As an improvement, the fixation kit includes：

Fixed disk, the fixed disk are fixedly installed on the bottom of the mounting bracket, are arranged for ladder, and the bottom of fixed disk Portion is provided with the mounting portion of annular；And

Several fixed cells, the fixed cell may be contained on the mounting portion, the circumference along the fixed disk It is placed equidistant with, and it is arranged towards the circumference of the mouth of a river installing port.

As an improvement, the fixed cell includes：

The vertical section shape of line rail, the line rail is I-shaped, is fixedly connected with the bottom end face of the fixed disk；

Fixed block, the fixed block are slideably positioned on the line rail, are set towards the end of mouth of a river installing port for notch It sets；And

First spring, the first spring conflict are set between the fixed block and the fixed disk.

As an improvement, the lifting unit includes：

Worm screw, the worm screw are rotatably dispose in vertically on the mounting bracket, and middle part is provided through first through hole vertically, And its end passes through the mounting bracket and the fixed disk；And

Driving group, the driving group are set to the side of the worm screw, coordinate with the worm screw and drive worm screw rotation.

As an improvement, the driving group includes：

Worm gear, the worm gear are set to the worm screw side, coordinate with the worm-drive；

The both ends of shaft, the shaft are rotatably dispose on the mounting bracket, are arranged with the worm gear thereon；And

Driving motor, the driving motor are fixedly connected with the mounting bracket, and motor shaft and the shaft are coaxially connected.

As an improvement, the positioning unit includes：

Positioning tube, the coaxially connected end for being set to the worm screw of the positioning tube are arranged for taper, and its middle part is perpendicular It directly is provided through the second through-hole, second through-hole connection corresponding with the first through hole, and the shape of the positioning tube and institute Running channel corresponding matching is stated, and limit disk is provided at the top of the positioning tube；

Several positioning groups, the positioning group are disposed through on the barrel of the positioning tube, are placed equidistant in described On the circumference of positioning tube, and its outer end face contradicts with the running channel and is arranged；

Carrying group, the carrying group are set to the end of the positioning tube, engage with the end face of the end at the mouth of a river Setting；And

Mandril group, the mandril group are slideably positioned in the first through hole in second through-hole, and driving is described fixed Hyte engages positioning with the carrying group to the mouth of a river.

The setting as an improvement, positioning tube and the worm screw are integrally formed.

As an improvement, the positioning group includes：

Locating piece, the locating piece are slideably positioned on the barrel of the positioning tube, and one end towards the running channel is Spherical shape setting, and it is located at one end of the positioning tube and is arranged for dish type；And

Second spring, the second spring are sheathed on the locating piece, and both ends contradict and are set to the positioning tube One end of barrel and locating piece dish type setting.

As an improvement, the carrying group includes：

Sliding block, the sliding block are cylindrical setting, are slideably positioned in the end of second through-hole；

Several load bearing arms are provided with kidney slot on the load bearing arm, and one end passes through the kidney slot sliding sleeve and the cunning Block is hinged, and the other end is slidably connected by the barrel of the kidney slot and the positioning tube；And

Third spring, the third spring are set in the kidney slot, both ends be separately connected the sliding block with it is described The barrel of positioning tube.

As an improvement, the mandril group includes：

Mandril, the mandril are slideably positioned in the first through hole in second through-hole, and top lifting carriage is set It is placed on the mounting bracket, and its bottom is spherical setting, restraining position ring block is arranged in the top of the mandril；

Pin, the pin sliding are inserted in the top of the worm screw, are plugged to the mandril and the worm screw It is fixedly connected；And

Third spring, the third spring pocket are set on the mandril, and conflict is set to the spacing ring and the snail Between the top end surface of bar.

The beneficial effects of the utility model are：

（1）The utility model connects tundish and the mouth of a river by positioning component, and positioning unit realizes the quick fixation at the mouth of a river, Lifting unit realizes the quick centring of tundish and the mouth of a river, and setting accuracy is high, recycles lifting unit that the mouth of a river is driven to carry out Rotation rises, and is installed into tundish, can effectively reduce the damage to the mouth of a river；

（2）When the utility model is used, mechanism can quickly be installed to the mouth of a river installing port of tundish by fixation kit Place, and engaged with the top of mouth of a river installing port by fixation kit, and in snap-fitting process, realize lifting unit and water The automatic centering of mouth installing port；

（3）The utility model can drive positioning group quickly to consolidate to the mouth of a river with carrying group in practicality by mandril group Fixed, the upper dress mode at the mouth of a river is quick and easy, effectively improves working efficiency.

In conclusion the utility model has using easy, registration, quickly, it is small to the mouth of a river damage the advantages that, especially Suitable for mouth of a river positioning device technical field.

Description of the drawings

Fig. 1 is the utility model dimensional structure diagram；

Fig. 2 is the utility model schematic cross-sectional view；

Fig. 3 is enlarged structure schematic diagram at A in Fig. 2；

Fig. 4 is the utility model fixation kit structural schematic diagram；

Fig. 5 is the utility model broken section structural schematic diagram one；

Fig. 6 is the utility model broken section structural schematic diagram two；

Fig. 7 is the utility model positioning tube schematic cross-sectional view；

Fig. 8 is enlarged structure schematic diagram at B in Fig. 6；

Fig. 9 is enlarged structure schematic diagram at C in Fig. 6;

Figure 10 is that the utility model carrying group recycles status architecture schematic diagram.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Described convenient for description the utility model and simplifying, do not indicate or imply the indicated equipment or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

Embodiment

As shown in Figures 1 and 2, a kind of adaptive zirconium matter mouth of a river detent mechanism, including：

Mounting bracket 1, the mounting bracket 1 are frame mounting bracket；

Fixation kit 2, the fixation kit 2 are set to the bottom of the mounting bracket 1, with the water on 3 bottom of tundish Mouth installing port 31 is fixed；And

Positioning component 4, the positioning component 4 include lifting unit 41 and positioning unit 42, and the lifting unit 41 is vertical It is set to the middle part of the mounting bracket 1, end passes through the mounting bracket 1 and the fixation kit 2, is set to the fixation kit 2 lower section, the positioning unit 42 are set to the end of the lifting unit 41, and engaging is set to the running channel inside the mouth of a river 5 In 51.

It should be noted that fixation kit 2 is fixed to mouth of a river installing port 31, mechanism is fixed on tundish 3, and After installation is complete, lifting unit 41 realizes automatic centering with mouth of a river installing port 31, later by positioning unit 42 to the water of upper dress Mouth 5 is fixed, and drives the rotation of the mouth of a river 5 to rise by lifting unit 41, the mouth of a river 5 is mounted on mouth of a river installing port 31.

It is worth noting that, in the installation process at the mouth of a river 5, the installation side plugged between more traditional uses in rotation The mode of installation is risen, the friction between the mouth of a river 5 and mouth of a river installing port 31 is reduced, protects connecing for the mouth of a river 5 and mouth of a river installing port 31 Contacting surface.

As shown in figure 4, as a preferred embodiment, the fixation kit 2 includes：

Fixed disk 21, the fixed disk 21 are fixedly installed on the bottom of the mounting bracket 1, are arranged for ladder, and fixed The bottom of disk 21 is provided with the mounting portion 211 of annular；And

Several fixed cells 22, the fixed cell 22 may be contained on the mounting portion 211, along the fixed disk 21 circumference is placed equidistant with, and it is arranged towards the circumference of the mouth of a river installing port 31.

As shown in Figure 4, wherein the fixed cell 22 includes：

The vertical section shape of line rail 221, the line rail 221 is I-shaped, is consolidated with the bottom end face of the fixed disk 21 Fixed connection；

Fixed block 222, the fixed block 222 are slideably positioned on the line rail 221, towards the end of mouth of a river installing port 31 Portion is arranged for notch；And

First spring 223, the conflict of the first spring 223 are set between the fixed block 222 and the fixed disk 21.

It should be noted that fixed block 222 rail 221 can be slided along the line, being inserted into the mouth of a river in fixation kit 2 installs In mouth 31,223 automatic telescopic of the first spring is adjusted, and the inner wall of fixed block 222 and mouth of a river installing port 31 is carried out conflict setting, and Since fixed cell 22 is placed equidistant with along the circumference of the fixed disk 21, the uniform force of the first spring 223, therefore, automatically It realizes the centering of fixed disk 21 and mouth of a river installing port 31, and then ensures the automatic centering of lifting unit 41 and mouth of a river installing port 31.

As shown in Fig. 1 and Fig. 5, as a preferred embodiment, the lifting unit 41 includes：

Worm screw 411, the worm screw 411 are rotatably dispose in vertically on the mounting bracket 1, and middle part is provided through the vertically One through-hole 411a, and its end passes through the mounting bracket 1 and the fixed disk 21；And

Driving group 412, the driving group 412 are set to the side of the worm screw 411, coordinate with the worm screw 411 and drive The worm screw 411 rotates.

Wherein, the driving group 412 includes：

Worm gear 4121, the worm gear 4121 are set to 411 side of the worm screw, are driven and coordinate with the worm screw 411；

The both ends of shaft 4122, the shaft 4122 are rotatably dispose on the mounting bracket 1, are arranged with the worm gear thereon 4121；And

Driving motor 4123, the driving motor 4123 are fixedly connected with the mounting bracket 1, motor shaft and the shaft 4122 is coaxially connected.

It should be noted that drive worm gear 4121 to be rotated by driving motor 4123, and worm gear 4121 and worm screw 411 Cooperation realizes the oscilaltion of worm screw 411, in 411 uphill process of worm screw, due to the end of positioning unit 42 and worm screw 411 Connection, and positioning unit 42 fixes the mouth of a river 5 vertically, the rotation of worm screw 411 rises, and has driven the rotation rising of the mouth of a river 5 and water Mouth installing port 31 realizes automatic connection.

As shown in Figures 6 and 7, as a preferred embodiment, the positioning unit 42 includes：

Positioning tube 421, the coaxially connected end for being set to the worm screw 411 of the positioning tube 421 are arranged for taper, And its middle part is provided through the second through-hole 421a vertically, the second through-hole 421a connections corresponding with the first through hole 411a, And the shape of the positioning tube 421 and 51 corresponding matching of the running channel, and 421 top of the positioning tube is provided with limit disk 421b；

Several positioning groups 422, the positioning group 422 are disposed through on the barrel of the positioning tube 421, equidistantly set It is placed on the circumference of the positioning tube 421, and its outer end face contradicts with the running channel 51 and is arranged；

Carrying group 423, the carrying group 423 are set to the end of the positioning tube 421, the end with the mouth of a river 5 End face engaging setting；And

Mandril group 424, the mandril group 424 are slideably positioned in the first through hole 411a and the second through-hole 421a It is interior, drive the positioning group 422 to engage positioning with 423 pairs of mouths of a river 5 of the carrying group.

As shown in Figure 2, wherein the positioning tube 421 and the worm screw 411 are integrally formed setting.

Illustrate when needing, the mouth of a river 5 is set in the outside of positioning tube 421, mandril group 424 is pushed down on, positions Group 422 with carrying group 423 by the extruding of mandril group 424, the mouth of a river 5 is fixed automatically, and due to positioning tube 421 with it is described Worm screw 411 is coaxially connected, the mouth of a river 5 and 31 automatic centering of mouth of a river installing port.

It further illustrates, positioning tube 421, which is integrally formed to be arranged with the worm screw 411, can both ensure the strong of the two Degree, while can ensure the concentricity of positioning tube 421 and the worm screw 411 in process.

As shown in figure 8, further, the positioning group 422 includes：

Locating piece 4221, the locating piece 4221 are slideably positioned on the barrel of the positioning tube 421, are poured described in The one end in road 51 is spherical setting, and it is located at one end of the positioning tube 421 and is arranged for dish type；And

Second spring 4222, the second spring 4222 are sheathed on the locating piece 4221, and both ends contradict and are set to One end of the barrel of the positioning tube 421 and the setting of 4221 dish type of the locating piece.

It should be noted that mandril group 424 squeezes one end of 4221 dish type of locating piece setting, second spring 4222 is made to press Contracting, one end of the spherical setting of locating piece 4221 and the inner wall of the running channel 51 at the mouth of a river 5 carry out conflict cooperation, and due to positioning group 422 are placed equidistant on the circumference of the positioning tube 421, and the mouth of a river 5 is uniform by the resist force of locating piece 4221, will not occur partially Turn.

As shown in figure 9, further, the carrying group 423 includes：

Sliding block 4231, the sliding block 4231 are cylindrical setting, are slideably positioned in the end of the second through-hole 421a；

Several load bearing arms 4232 are provided with kidney slot 4232a on the load bearing arm 4232, and one end passes through the kidney slot 4232a sliding sleeves are hinged with the sliding block 4231, the barrel that the other end passes through kidney slot 4232a and the positioning tube 421 It is slidably connected；And

Third spring 4233, the third spring 4233 are set in the kidney slot 4232a, and both ends are separately connected institute State the barrel of sliding block 4231 and the positioning tube 421.

As shown in Figure 10, it should be noted that since mandril group 424 squeezes sliding block 4231, keep sliding block 4231 logical along second Hole 421a is moved down, and third spring 4233 compresses, and the load bearing arm 4232 being accommodated in originally in positioning tube 421, which is flared out, to be stretched Go out, the lower end surface at the mouth of a river 5 is accepted, the mouth of a river 5 is made not fall off from positioning tube 421.

As shown in Fig. 3 and Fig. 6, as a preferred embodiment, the mandril group 424 includes：

Mandril 4241, the mandril 4241 are slideably positioned in the first through hole 411a and the second through-hole 421a, Its top lifting carriage is set on the mounting bracket 1, and its bottom is spherical setting, and the top setting of the mandril 4241 is limited Position ring 4241a；

Pin 4242, the pin 4242 slides the top for being inserted in the worm screw 411, to the mandril 4241 and institute Worm screw 411 is stated plug being fixedly connected；And

4th spring 4243, the 4th spring 4243 are sheathed on the mandril 4241, and conflict is set to the limit Between position ring 4241a and the top end surface of the worm screw 411.

It should be noted that mandril 4241 is by pin 4242 with worm screw 411 after being plugged and being fixedly connected, positioning group 422 Synchronously complete the fixation work to the mouth of a river 5 with carrying group 423, the mouth of a river 5 be fixed on to the outside of positioning tube 421, and the mouth of a river 5 with After mouth of a river installing port 31 completes connection, pin 4242 is extracted, the 4th spring 4243 carries out elastic reset, positioning group to mandril 4241 422 recycle automatically with carrying group 423.

The course of work：

First, mechanism is mounted on tundish 3 by fixation kit 2, the mouth of a river 5 is set in the outside of positioning tube 421, Mandril 4241 is compressed, and by pin 4242, mandril 4241 is made to be fixedly connected with worm screw 411, at this point, locating piece 4221 and carrying Arm 4232 stretches out respectively, completes positioning and carrying work to the mouth of a river 5, the mouth of a river 5 is fixed on positioning tube 421, later by opening Dynamic driving motor 4123 drives worm gear 4121 to rotate, and worm gear 4121 drives worm screw 411 to rotate, worm screw 411 in rotary course, It is lifted upwards along mounting bracket 1, drives the rotation of the mouth of a river 5 to move up, be attached between the mouth of a river 5 and mouth of a river installing port 31, After the mouth of a river 5 is mounted on mouth of a river installing port 31, driving motor 4123 is shut down, and extracts pin 4242, and mandril 4241 is de- with worm screw 411 From locating piece 4221 is separately recovered with load bearing arm 4232 and enters in positioning tube 421, removes mechanism later and completes work.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims (10)

1. a kind of adaptive zirconium matter mouth of a river detent mechanism, which is characterized in that including：

Mounting bracket（1）, the mounting bracket（1）For frame mounting bracket；

Fixation kit（2）, the fixation kit（2）It is set to the mounting bracket（1）Bottom, with tundish（3）On bottom Mouth of a river installing port（31）It is fixed；And

Positioning component（4）, the positioning component（4）Including lifting unit（41）With positioning unit（42）, the lifting unit （41）It is vertically arranged at the mounting bracket（1）Middle part, end pass through the mounting bracket（1）With the fixation kit（2）If It is placed in the fixation kit（2）Lower section, the positioning unit（42）It is set to the lifting unit（41）End, engaging set It is placed in the mouth of a river（5）Internal running channel（51）It is interior.

2. a kind of adaptive zirconium matter mouth of a river detent mechanism according to claim 1, which is characterized in that the fixation kit （2）Including：

Fixed disk（21）, the fixed disk（21）It is fixedly installed on the mounting bracket（1）Bottom, be arranged for ladder, and solid Price fixing（21）Bottom be provided with annular mounting portion（211）；And

Several fixed cells（22）, the fixed cell（22）It may be contained within the mounting portion（211）On, along the fixation Disk（21）Circumference be placed equidistant with, and it is towards the mouth of a river installing port（31）Circumference setting.

3. a kind of adaptive zirconium matter mouth of a river detent mechanism according to claim 2, which is characterized in that the fixed cell （22）Including：

Line rail（221）, the line rail（221）Vertical section shape be it is I-shaped, with the fixed disk（21）Bottom end face It is fixedly connected；

Fixed block（222）, the fixed block（222）It is slideably positioned in the line rail（221）On, towards mouth of a river installing port（31） End be notch setting；And

First spring（223）, first spring（223）Conflict is set to the fixed block（222）With the fixed disk（21） Between.

4. a kind of adaptive zirconium matter mouth of a river detent mechanism according to claim 2, which is characterized in that the lifting unit （41）Including：

Worm screw（411）, the worm screw（411）It is rotatably dispose in the mounting bracket vertically（1）On, middle part is provided through vertically First through hole（411a）, and its end passes through the mounting bracket（1）With the fixed disk（21）；And

Driving group（412）, the driving group（412）It is set to the worm screw（411）Side, with the worm screw（411）Cooperation Drive the worm screw（411）Rotation.

5. a kind of adaptive zirconium matter mouth of a river detent mechanism according to claim 4, which is characterized in that the driving group （412）Including：

Worm gear（4121）, the worm gear（4121）It is set to the worm screw（411）Side, with the worm screw（411）Transmission cooperation；

Shaft（4122）, the shaft（4122）Both ends be rotatably dispose in the mounting bracket（1）On, it is arranged with the snail thereon Wheel（4121）；And

Driving motor（4123）, the driving motor（4123）With the mounting bracket（1）Be fixedly connected, motor shaft with described turn Axis（4122）It is coaxially connected.

6. a kind of adaptive zirconium matter mouth of a river detent mechanism according to claim 4, which is characterized in that the positioning unit （42）Including：

Positioning tube（421）, the positioning tube（421）It is coaxially connected to be set to the worm screw（411）End, set for taper It sets, and its middle part is provided through the second through-hole vertically（421a）, second through-hole（421a）With the first through hole（411a） Corresponding connection, and the positioning tube（421）Shape and the running channel（51）Corresponding matching, and the positioning tube（421）Top Portion is provided with limit disk（421b）；

Several positioning groups（422）, the positioning group（422）It is disposed through the positioning tube（421）Barrel on, it is equidistant It is set to the positioning tube（421）Circumference on, and its outer end face with the running channel（51）Contradict setting；

Carrying group（423）, the carrying group（423）It is set to the positioning tube（421）End, with the mouth of a river（5）'s The end face engaging setting of end；And

Mandril group（424）, the mandril group（424）It is slideably positioned in the first through hole（411a）With second through-hole （421a）It is interior, drive the positioning group（422）With the carrying group（423）To the mouth of a river（5）Engaging positioning.

7. a kind of adaptive zirconium matter mouth of a river detent mechanism according to claim 6, which is characterized in that the positioning tube （421）With the worm screw（411）Be integrally formed setting.

8. a kind of adaptive zirconium matter mouth of a river detent mechanism according to claim 6, which is characterized in that the positioning group （422）Including：

Locating piece（4221）, the locating piece（4221）It is slideably positioned in the positioning tube（421）Barrel on, towards described in Running channel（51）One end be it is spherical be arranged, and it is located at the positioning tube（421）One end be dish type setting；And

Second spring（4222）, the second spring（4222）It is sheathed on the locating piece（4221）On, both ends contradict setting In the positioning tube（421）Barrel and the locating piece（4221）One end of dish type setting.

9. a kind of adaptive zirconium matter mouth of a river detent mechanism according to claim 6, which is characterized in that the carrying group （423）Including：

Sliding block（4231）, the sliding block（4231）It is arranged for cylinder, is slideably positioned in second through-hole（421a）End End；

Several load bearing arms（4232）, the load bearing arm（4232）On be provided with kidney slot（4232a）, one end passes through the kidney slot （4232a）Sliding sleeve and the sliding block（4231）Hinged, the other end passes through the kidney slot（4232a）With the positioning tube （421）Barrel be slidably connected；And

Third spring（4233）, the third spring（4233）It is set to the kidney slot（4232a）Interior, both ends are separately connected The sliding block（4231）With the positioning tube（421）Barrel.

10. a kind of adaptive zirconium matter mouth of a river detent mechanism according to claim 6, which is characterized in that the mandril group （424）Including：

Mandril（4241）, the mandril（4241）It is slideably positioned in the first through hole（411a）With second through-hole（421a） Interior, top lifting carriage is set to the mounting bracket（1）On, and its bottom is spherical setting, the mandril（4241）Top Restraining position ring block is set（4241a）；

Pin（4242）, the pin（4242）Sliding is inserted in the worm screw（411）Top, to the mandril（4241） With the worm screw（411）Plug being fixedly connected；And

4th spring（4243）, the 4th spring（4243）It is sheathed on the mandril（4241）On, conflict is set to described Spacing ring（4241a）With the worm screw（411）Top end surface between.