CN219286487U

CN219286487U - Locking mechanism and locking pressurizing equipment

Info

Publication number: CN219286487U
Application number: CN202223609019.5U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Zhuhai Titans New Power Electronics Co Ltd
Current assignee: Zhuhai Titans New Power Electronics Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-30
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a locking mechanism and locking pressurizing equipment, wherein the locking mechanism comprises a locking assembly, and the locking assembly comprises a mounting seat, a first driver and a locking wrench assembly; the locking spanner component comprises a spanner seat, a spanner rod and a first floating component, wherein the first end of the spanner rod can be abutted against the locking rod, the spanner seat is provided with a containing cavity, the second end of the spanner rod stretches into the containing cavity, the spanner seat and the spanner rod rotate under the driving of a first driver, and the spanner rod drives the locking rod to rotate; a plurality of first floating members are arranged on the outer peripheral side wall of the wrench rod, and the first floating members are arranged at intervals on the outer peripheral outline of the wrench rod; under the condition that the spanner rod is offset relative to the spanner seat, the first floating component provides elastic force for the spanner rod between the inner side wall of the spanner seat and the outer side wall of the spanner rod, so that the spanner rod can be helped to correct the position, and the spanner rod and the spanner seat are prevented from being blocked or blocked. The utility model can be widely applied to the technical field of lithium battery production equipment.

Description

Locking mechanism and locking pressurizing equipment

Technical Field

The utility model relates to the technical field of lithium battery production equipment, in particular to a locking mechanism and locking pressurizing equipment.

Background

The battery is increasingly widely applied in the field of new energy, and the appearance requirements of different products on the battery are different, so that the battery is pressurized in the production process of the battery, and the battery is decompressed after being molded. Generally, a plurality of batteries are orderly placed in a tray, the tray is provided with a pressing plate and a locking rod, the locking rod realizes feeding and retraction on the side wall of the tray in a spiral transmission mode, the locking rod props against the pressing plate, and the pressing plate presses and shapes the batteries.

The common locking pressurizing equipment mostly uses a spanner rod to approach and butt against the locking rod, and the spanner rod drives the locking rod to rotate so as to enable the locking rod to feed or retract, thereby realizing the pressurizing or decompressing of the pressing plate by the locking rod. However, in the conventional butt joint manner, the wrench rod may have deviation in position when moving towards the locking rod, so that the wrench rod or the screwdriver head may shift or incline when being in butt joint with the locking rod, in this case, the wrench rod is driven by a motor to rotate, which may cause jamming or blocking, affect pressurization and decompression, and even cause the structure of the locking pressurization equipment to be damaged.

Disclosure of Invention

In order to solve at least one of the above technical problems, the present utility model provides a locking mechanism and a locking pressurizing device, and the adopted technical scheme is as follows.

The locking pressurizing device provided by the utility model comprises a locking mechanism.

The locking mechanism comprises a locking assembly, wherein the locking assembly comprises a mounting seat, a first driver and a locking wrench assembly, and the first driver is connected with the mounting seat; the locking wrench assembly comprises a wrench seat, a wrench rod and a first floating component, wherein the wrench seat is rotatably arranged on the mounting seat, the first end of the wrench rod can be abutted against the locking rod, the wrench seat is provided with a containing cavity, the second end of the wrench rod stretches into the containing cavity, the wrench seat and the wrench rod rotate under the driving of the first driver, and the wrench rod drives the locking rod to rotate; wherein a plurality of first floating members are arranged on the outer peripheral side wall of the wrench rod, each first floating member is arranged on the outer side surface of the wrench rod, and the first floating members are arranged at intervals on the outer peripheral outline of the wrench rod; the first floating member provides an elastic force to the wrench bar between an inner sidewall of the wrench seat and an outer sidewall of the wrench bar in a case where the wrench bar is offset with respect to the wrench seat.

In some embodiments of the present utility model, the first floating member includes a first connecting shaft and a first elastic member, the first elastic member is sleeved on the first connecting shaft, the first elastic member is located between an inner side wall of the wrench base and an outer side wall of the wrench rod, and two ends of the first connecting shaft are respectively connected with the wrench base and the wrench rod.

In some embodiments of the present utility model, the first floating member further includes a first limiting member, the first limiting member is sleeved on the first connecting shaft, the first limiting member is movable on the first connecting shaft, and the first limiting member is located between an inner side surface of the wrench seat and the first elastic member.

In some embodiments of the utility model, the locking wrench assembly includes a second floating member resiliently abutting the second end of the wrench rod, the second floating member being connected to the bottom of the wrench socket.

In some embodiments of the present utility model, a sliding guide groove is disposed on a side wall of the wrench seat, a length direction of the sliding guide groove is set along an axial direction of the wrench seat, the first connecting shaft extends into the sliding guide groove, and the first connecting shaft can move along the length direction of the sliding guide groove.

In some embodiments of the present utility model, the second floating member includes a second connecting shaft and a second elastic member, the second elastic member is sleeved on the second connecting shaft, a first end of the second connecting shaft is connected to the bottom of the wrench seat, and a second end of the second connecting shaft abuts against the wrench rod.

In some embodiments of the present utility model, the first end of the second connecting shaft penetrates through the bottom of the wrench seat, and the locking wrench assembly includes a first sensor, where the first sensor is connected with the mounting seat or the first sensor is connected with the wrench seat, and the first sensor is used for detecting whether the displacement of the wrench rod retreating exceeds a set distance.

In some embodiments of the utility model, the locking mechanism includes a second drive assembly, the mount is coupled to the second drive assembly, and the wrench rod is movable toward and away from the locking rod under the drive of the second drive assembly.

In some embodiments of the present utility model, the locking assembly includes a wrench cover plate connected to the wrench socket, the wrench cover plate having a first through hole through which the wrench rod passes, the first through hole having a diameter greater than a diameter of the wrench rod.

The embodiment of the utility model has at least the following beneficial effects: in the spanner seat of the locking assembly, the elastic force is applied to the side face of the spanner rod by the first floating component, and if the spanner rod is deviated or inclined in the rotation process, the elastic force of the first floating component can help the spanner rod to correct the position, so that the spanner rod and the spanner seat are prevented from being blocked or blocked. The utility model can be widely applied to the technical field of lithium battery production equipment.

Drawings

The described and/or additional aspects and advantages of embodiments of the present utility model will become apparent and readily appreciated from the following description taken in conjunction with the accompanying drawings. It should be noted that the embodiments shown in the drawings below are exemplary only and are not to be construed as limiting the utility model.

Fig. 1 is a structural view of a locking mechanism.

Fig. 2 is a structural view of the locking mechanism.

Fig. 3 is a block diagram of the locking wrench assembly.

Fig. 4 is a cross-sectional view A-A of fig. 3.

Fig. 5 is a sectional view of B-B in fig. 4.

Reference numerals:

100. a mounting base; 101. a first driver;

200. a locking wrench assembly; 201. a spanner seat; 202. a wrench rod; 203. a first connecting shaft; 204. a first limiting member; 205. a sliding guide groove; 206. a second connecting shaft; 207. a spanner cover plate;

301. a second driver; 302. and a second transmission rod.

Detailed Description

Embodiments of the present utility model are described in detail below with reference to fig. 1 through 5, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that, if the terms "center", "middle", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are used as directions or positional relationships based on the directions shown in the drawings, the directions are merely for convenience of description and for simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model relates to a locking pressurizing device, which comprises a locking mechanism, wherein the locking mechanism is used for rotating a locking rod so as to enable the locking rod to pressurize or decompress a pressing plate.

Further, the locking pressurizing apparatus includes a pressurizing mechanism for pressing against the pressing plate. Specifically, the pressing mechanism includes a pressing ram and a pressing driver that can drive the pressing ram to advance or retract to bring the pressing ram closer to or farther from the platen.

Other constructions and operations of the locking pressurizing apparatus are well known to those skilled in the art, and will not be described in detail herein, the structure of the locking mechanism will be described in detail below.

The utility model relates to a locking mechanism, which comprises a locking assembly, wherein the locking assembly comprises a mounting seat 100, a first driver 101 and a locking spanner assembly 200, the first driver 101 is connected with the mounting seat 100, the locking spanner assembly 200 is used for butting a locking rod, and the first driver 101 can drive the locking spanner assembly 200 to rotate so that the locking spanner assembly 200 drives the locking rod to rotate.

The lock wrench assembly 200 includes a wrench socket 201 and a wrench rod 202, with reference to the accompanying drawings, the wrench socket 201 is provided on the mounting socket 100, the wrench rod 202 is connected to the wrench socket 201, and a first end of the wrench rod 202 may abut against the lock rod. Further, the wrench socket 201 is rotatable on the mounting base 100, and the wrench socket 201 and the wrench bar 202 are rotated by the first driver 101, so that the wrench bar 202 drives the locking bar to rotate.

It will be appreciated that the end of the lock lever is provided with a connection structure, and accordingly, the first end of the wrench lever 202 is provided with a connection structure, the connection structures at the two places can be abutted or separated, and the wrench lever 202 can drive the lock lever to rotate after being abutted.

In some examples, the connection structure on the first end of the wrench bar 202 is configured in a hexagonal prism shape. Correspondingly, the connecting structure on the locking rod is arranged into the inner hexagonal hole, the structure of the inner hexagonal hole and the outer hexagonal hole is adopted, the overall size of the tray can be reduced, the locking rod is prevented from protruding out of the tray, the full-line production is facilitated, interference is avoided, and the locking rod has good stability and reliability and good butt joint performance.

Referring to the drawings, the wrench socket is provided with a receiving cavity into which the second end of the wrench rod 202 extends. Further, the lock wrench assembly 200 includes a first floating member, specifically, a plurality of first floating members disposed on an outer side of the wrench bar 202.

Specifically, the first floating members are provided at intervals along the outer peripheral contour of the wrench rod 202 on the outer side surface of the wrench rod 202, and the wrench rod 202 can be biased or swung in any direction by the elastic force of the first floating members. Further, the first floating members are equally spaced along the circumferential profile on the outer side of the wrench bar 202 to provide uniform force on the outer side of the wrench bar 202. In some examples, the first floating members are arranged in three, and the included angle between two adjacent first floating members is 120 °.

It will be appreciated that in the event that the wrench bar 202 is offset relative to the wrench base 201, the first floating member provides an elastic force to the wrench bar 202 between the inner side wall of the wrench base 201 and the outer side wall of the wrench bar 202. In the process of docking the wrench rod 202 with the locking rod, if the wrench rod 202 is deviated from the locking rod or the wrench rod 202 is inclined relative to the locking rod, the wrench rod 202 may swing when the wrench rod 202 drives the locking rod to rotate, and the wrench rod 202 may deviate from the center of the wrench seat 201 due to the condition, so that the first floating component is arranged, the wrench rod 202 can be helped to reset in the wrench seat 201 in a centering manner, so that the wrench rod is aligned with the locking rod, self-adaptive adjustment is realized, docking of the wrench rod 202 with the locking rod is facilitated, the alignment difficulty is reduced, and the accuracy of docking is improved.

As an embodiment, the locking assembly includes a spanner cover 207, and in combination with the accompanying drawings, the spanner cover 207 is connected to the spanner seat 201, and the spanner cover 207 seals the spanner seat 201 at the front end opening of the spanner seat 201, and the spanner rod 202 penetrates the spanner cover 207.

It will be appreciated that the spanner wrench cover 207 is provided with a first through hole through which the spanner bar 202 extends, the first through hole being located in the middle of the spanner cover 207. Further, the diameter of the first through hole is larger than the diameter of the wrench rod 202, so that a gap is left between the inner wall of the first through hole and the outer side surface of the wrench rod 202, a margin is left for the deflection and swing of the wrench rod 202, and the locking wrench assembly 200 is prevented from being locked or blocked during rotation.

In combination with the drawings, the wrench socket 201 is configured in a cylindrical shape, the inner cavity of the wrench socket 201 is configured in a cylindrical space, and accordingly, the wrench cover 207 is configured as a circular cover, and the first through hole is configured concentrically with the circular cover. Of course, as an alternative, it is also possible to design: the wrench socket 201 is provided in a prismatic shape, and the wrench cover 207 is provided as a cover of a corresponding shape.

As an embodiment, the first floating member includes a first connection shaft 203 and a first elastic member, both ends of the first connection shaft 203 are respectively connected to the spanner seat 201 and the spanner bar 202, the first elastic member has compression elastic potential energy, and the first elastic member is provided as a compression spring. It is understood that the first elastic member is sleeved on the first connecting shaft 203, and the first elastic member is located between the inner sidewall of the wrench socket 201 and the outer sidewall of the wrench rod 202. In the case where the wrench bar 202 is biased or swung, the first elastic member is compressed, and both ends of the first elastic member have elastic forces on the inner side surface of the wrench socket 201 and the outer side surface of the wrench bar 202, respectively.

Further, the first floating member includes a first limiting member 204, the first limiting member 204 is configured as a limiting block, the first limiting member 204 is provided with a through hole, the first limiting member 204 is sleeved on the first connecting shaft 203, the first limiting member 204 is located between the inner side surface of the wrench base 201 and the first elastic member, and one end of the first elastic member abuts against the inner side surface of the wrench base 201 through the first limiting member 204. It will be appreciated that the first stop member 204 is movable on the first connection shaft 203.

It is understood that the force of the first floating member on the wrench bar 202 is in the radial direction of the wrench bar 202, and the radial direction of the wrench bar 202 refers to the direction along the line along which the diameter of the cross section of the wrench bar 202 is located. Of course, in actual operation of the locking mechanism, when the spring as the first elastic member is deformed by compression, the spring may twist, and forces in a plurality of directions may be generated.

As one embodiment, the locking mechanism includes a second drive assembly coupled to the locking assembly. The locking assembly is movable under the drive of the second drive assembly to move the wrench bar 202 toward and away from the locking bar such that the first end of the wrench bar 202 interfaces with or separates from the locking bar.

Specifically, the mounting base 100 is connected to a second driving assembly, and the second driving assembly drives the mounting base 100 to move. It will be appreciated that the second drive assembly comprises a second driver 301, the second driver 301 comprising a motor, further the second drive assembly comprising a second transmission rod 302 and a second moving part, the second transmission rod 302 being connected to the second driver 301, the first moving part being connected to the second transmission rod 302, the mounting 100 being connected to the second moving part.

The second driver 301 drives the second transmission rod 302 to rotate, and the second transmission rod 302 drives the second moving part to move through screw transmission. In some examples, the second driver 301 drives the second moving member and the mount 100 to move through a ball screw pair. Specifically, the second transmission rod 302 is provided with external threads, the second moving member is provided with a threaded hole, and the second moving member is in threaded connection with the second transmission rod 302 and realizes screw transmission.

Of course, in some examples, it may alternatively be designed to: the mounting seat 100 is provided with a threaded hole, and the second transmission rod 302 is in threaded connection with the mounting seat 100 and realizes threaded transmission.

Further, to enable smooth movement of the locking assembly, the second driving assembly includes a second guide structure to which the second guide member is slidably coupled or to which the mount 100 is slidably coupled. In particular, the second guiding structure comprises a guide rail or a guide rod.

Regarding the transmission between the second drive assembly and the locking assembly, it is alternatively designed that: in some examples, the second drive assembly drives the locking assembly in a belt drive manner, and further, the second drive assembly drives the locking assembly in a synchronous belt. In some examples, the second driver 301 comprises a hydraulic cylinder.

As one embodiment, the lock wrench assembly 200 includes a second floating member that is in resilient abutment with the second end of the wrench bar 202, the second floating member being connected to the bottom of the wrench socket 201. Specifically, in the case where the first end of the wrench rod 202 is connected to the lock rod, the second floating member provides the wrench rod 202 with an elastic force, and the second floating member can be flexibly adjusted in multiple angles in cooperation with the first floating member.

It will be appreciated that the wrench bar 202 is retracted during the process of approaching and interfacing with the lock bar, and the force of the second floating member on the wrench bar 202 ensures that the wrench bar 202 remains in abutment with the lock bar, allowing for an adaptive adjustment that facilitates the engagement of the wrench bar 202 with the lock bar. In some examples, if the wrench rod 202 is offset from the socket of the lock rod, the wrench rod 202 can be righted under the combined action of the first and second floating members to insert the first end of the wrench rod into the socket of the lock rod.

It should be noted that the force of the second floating member on the wrench bar 202 is directed along the axial direction of the wrench bar 202 toward the first end along the second end of the wrench bar 202, and the axial direction of the wrench bar 202 is directed along a straight line along the length of the wrench bar 202.

Specifically, the second floating member includes a second connection shaft 206 and a second elastic member having compressive elastic potential energy, the second elastic member being provided as a compression spring. It can be appreciated that the second elastic member is sleeved on the second connecting shaft 206, the first end of the second connecting shaft 206 is connected to the bottom of the wrench socket 201, and the second end of the second connecting shaft 206 abuts against the wrench rod 202. With the wrench bar 202 retracted, the second elastic member is compressed, and both ends of the second elastic member have elastic forces respectively to the wrench socket 201 and the wrench bar 202.

Referring to the drawings, a first end of the second connecting shaft 206 penetrates through the bottom of the wrench socket 201, and the second connecting shaft 206 can reciprocate in the bottom of the wrench socket 201 along its own axial direction.

Further, the lock wrench assembly 200 includes a first sensor connected with the mounting base 100, the first sensor being configured as a proximity switch, in particular, the first sensor includes a photoelectric sensor or an correlation sensor. During the connection of the wrench bar 202 to the lock bar, the first sensor is used to detect whether the displacement of the wrench bar 202 is beyond a set distance, so as to determine whether the wrench bar 202 is docked with the lock bar, or whether the working state of the apparatus is abnormal.

It will be appreciated that during the process of inserting the wrench rod 202 into the locking rod, if the wrench rod 202 is accurately inserted into the locking rod, the first end of the wrench rod 202 is inserted into the hexagonal hole at the end of the locking rod, so that the displacement of the wrench rod 202 is small, and the first sensor is not triggered, which indicates that the butt joint is successful. If the wrench rod 202 is not aligned with the locking rod for insertion, the first end of the wrench rod 202 is not inserted into the inner hexagonal hole of the end of the locking rod, the end face of the locking rod abuts against the first end of the wrench rod 202, and under the condition that the second driving component further pushes the locking component to be close to the tray, the retreating displacement of the wrench rod 202 is large, so that the second connecting shaft 206 triggers the first sensor, and the upper computer of the locking pressurizing device judges that the butt joint between the wrench rod 202 and the locking rod is abnormal according to the signal of the first sensor. Under the condition that the locking lever is blocked and cannot be fed, the second connecting shaft 206 also triggers the first sensor, and the upper computer also receives abnormal information of the equipment.

Regarding the second connecting shaft 206, as an alternative, it is also possible to design: the first end of the second connecting shaft 206 is fixedly connected with the wrench seat 201, the second end of the second connecting shaft 206 is elastically inserted into the second end of the wrench rod 202, and a certain fit clearance is required between the second end of the second connecting shaft and the second end of the wrench rod to meet the swinging requirement of the wrench rod, and the wrench rod 202 and the second connecting shaft 206 can relatively stretch and retract. It will be appreciated that in this case the first inductor is connected to the spanner seat 201.

As an embodiment, the side wall of the wrench socket 201 is provided with a sliding guide groove 205, the length direction of the sliding guide groove 205 is set along the axial direction of the wrench socket 201, the sliding guide groove 205 corresponds to the first connection shaft 203, and the first connection shaft 203 extends into the sliding guide groove 205. It will be appreciated that in the case where the wrench bar 202 is coupled with the lock bar, the first coupling shaft 203 can be moved in the length direction of the sliding guide groove 205 so that the wrench bar 202 can be freely retracted, achieving the elastic action of the second floating member on the wrench bar 202.

Further, the sliding guide groove 205 penetrates through the side wall of the wrench base 201, so that the end portion of the first connecting shaft 203 can penetrate through the side wall of the wrench base 201, and the first elastic member is squeezed when the wrench rod 202 is deviated or inclined. It will be appreciated that in this case, the first connection shaft 203 is fixedly connected to the wrench bar 202.

Regarding the sliding guide 205, as an alternative, in some examples, it may also be designed to: the slide guide 205 is provided on the outer side surface of the wrench lever 202, and the length direction of the slide guide 205 is set along the axial direction of the wrench lever 202, in which case the first connection shaft 203 is fixedly connected to the inner side wall of the wrench base 201. Further, a first stop member 204 is located between the outer side of the wrench bar 202 and the first resilient member.

As an embodiment, the first driver 101 drives the locking assembly to rotate by means of a belt transmission. Specifically, the first driver 101 includes a motor, the first driver 101 is provided with a driving pulley, the wrench seat 201 is provided with a driven pulley, and the driving pulley and the driven pulley are connected by a transmission belt.

Further, the transmission belt is provided as a timing belt, and accordingly, the driving pulley and the driven pulley are provided as timing wheels.

In some examples, the first driver 101 includes a decelerator.

Of course, as an alternative, it is also possible to design: the socket 201 is connected to the output shaft of the first driver 101.

In the description of the present specification, if a description appears that makes reference to the term "one embodiment," "some examples," "some embodiments," "an exemplary embodiment," "an example," "a particular example," or "some examples," etc., it is intended that the particular feature, structure, material, or characteristic described in connection with the embodiment or example be included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

In the description of the present utility model, the terms "and" if used in the singular are intended to mean "and" as opposed to "or". For example, the patent name "a A, B" describes that what is claimed in the present utility model is: a technical scheme with a subject name A and a technical scheme with a subject name B.

Claims

1. A locking mechanism, characterized in that: comprising a locking assembly comprising

A mounting base (100);

a first driver (101), the first driver (101) being connected with the mounting base (100);

the locking spanner assembly (200), the locking spanner assembly (200) comprises a spanner seat (201), a spanner rod (202) and a first floating component, the spanner seat (201) is rotatably arranged on the mounting seat (100), the first end of the spanner rod (202) can be abutted to the locking rod, the spanner seat (201) is provided with a containing cavity, the second end of the spanner rod (202) stretches into the containing cavity, and under the driving of the first driver (101), the spanner seat (201) and the spanner rod (202) rotate, and the spanner rod (202) drives the locking rod to rotate;

wherein a plurality of first floating members are arranged on the outer peripheral side wall of the wrench rod (202), each first floating member is arranged on the outer side surface of the wrench rod (202), and the first floating members are arranged at intervals on the outer peripheral outline of the wrench rod (202); the first floating member provides an elastic force to the wrench rod (202) between an inner sidewall of the wrench seat (201) and an outer sidewall of the wrench rod (202) in a case where the wrench rod (202) is offset with respect to the wrench seat (201).

2. The locking mechanism of claim 1, wherein: the first floating component comprises a first connecting shaft (203) and a first elastic piece, the first elastic piece is sleeved on the first connecting shaft (203), the first elastic piece is located between the inner side wall of the wrench seat (201) and the outer side wall of the wrench rod (202), and two ends of the first connecting shaft (203) are respectively connected with the wrench seat (201) and the wrench rod (202).

3. The locking mechanism of claim 2, wherein: the first floating component further comprises a first limiting component (204), the first limiting component (204) is sleeved on the first connecting shaft (203), the first limiting component (204) is movable on the first connecting shaft (203), and the first limiting component (204) is located between the inner side face of the spanner seat (201) and the first elastic piece.

4. A locking mechanism according to claim 2 or 3, wherein: the locking wrench assembly (200) comprises a second floating member resiliently abutting against the second end of the wrench rod (202), the second floating member being connected to the bottom of the wrench socket (201).

5. The locking mechanism of claim 4, wherein: the side wall of the spanner seat (201) is provided with a sliding guide groove (205), the length direction of the sliding guide groove (205) is along the axial direction of the spanner seat (201), the first connecting shaft (203) stretches into the sliding guide groove (205), and the first connecting shaft (203) can move along the length direction of the sliding guide groove (205).

6. The locking mechanism of claim 4, wherein: the second floating component comprises a second connecting shaft (206) and a second elastic piece, the second elastic piece is sleeved on the second connecting shaft (206), the first end of the second connecting shaft (206) is connected with the bottom of the spanner seat (201), and the second end of the second connecting shaft (206) is abutted against the spanner rod (202).

7. The locking mechanism of claim 6, wherein: the first end of the second connecting shaft (206) penetrates through the bottom of the wrench seat (201), the locking wrench assembly (200) comprises a first inductor, the first inductor is connected with the mounting seat (100) or the first inductor is connected with the wrench seat (201), and the first inductor is used for detecting whether the retreating displacement of the wrench rod (202) exceeds a set distance.

8. The locking mechanism of claim 4, wherein: the locking mechanism comprises a second driving assembly, the mounting seat (100) is connected with the second driving assembly, and the spanner rod (202) can be close to or far away from the locking rod under the driving of the second driving assembly.

9. The locking mechanism of claim 1, wherein: the locking assembly comprises a spanner cover plate (207), the spanner cover plate (207) is connected with the spanner seat (201), the spanner cover plate (207) is provided with a first through hole, the spanner rod (202) penetrates through the first through hole, and the diameter of the first through hole is larger than that of the spanner rod (202).

10. A locking pressurization device, characterized in that: comprising a locking mechanism according to any one of claims 1 to 9.