CN217876765U - Low-temperature rectifying device - Google Patents

Abstract

The utility model relates to the technical field of rectification, in particular to a low-temperature rectification device; the device comprises a moving device, wherein the moving device comprises a first moving frame, a second moving frame, a first limiting assembly and a second limiting assembly. The utility model is characterized in that a first movable frame and a second movable frame are respectively arranged at two sides of the rectifying device body, and a first electric telescopic rod is opened to further drive a second clamping mechanism to move towards a first clamping mechanism to transversely clamp the rectifying device body; open second electric telescopic handle and third electric telescopic handle afterwards, and then drive first removal frame and the second and remove the ascending lifting that puts up for the rectification device body breaks away from ground, open fourth electric telescopic handle afterwards, and then drive the backup pad and accomodate at the second and accomodate the intracavity, restart second electric telescopic handle and third electric telescopic handle, make the rectification device body place in the backup pad, and then make the backup pad carry out vertical braces to the rectification device body, can realize removing whole device.

Description

Low-temperature rectifying device

Technical Field

The utility model relates to a rectification technical field, in particular to cryogenic rectification device.

Background

With the gradual improvement of the development level of chemical industry in China, the rectification technology is widely applied to the industrial production process, namely, the property that the vapor pressure of each component is different at the same temperature enables light components (low-boiling-point substances) in a liquid phase to be transferred into a gas phase and heavy components in the gas phase to be transferred into the liquid phase, thereby realizing the purpose of separation.

Chinese patent discloses a device for preparing liquid by low-temperature rectification (No. CN 208186974U), the patent technology achieves the purposes of reducing equipment investment cost and enabling equipment to be easy to operate, but the whole structure is heavy, the transportation difficulty is high, and time and labor are wasted in carrying.

Chinese patent discloses a device for preparing liquid by low temperature rectification (No. CN 208186974U), this patent technology has reached the purpose of being convenient for remove the rectifier unit body, the device adopts second electric telescopic handle to drive splint and grasps the rectifier unit body, the cooperation motor, the combined action of rack and gear, the fastness between both sides splint and the rectifier unit body has been strengthened, but the device only transversely centre gripping is fixed to the rectifier unit body, lack vertical support, again because rectifier unit body structure is heavy, need great clamping-force just to grasp the rectifier unit body, easily lead to second electric telescopic handle and motor to take place to damage, and then greatly reduced the device's life.

Therefore, a cryogenic rectification plant is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cryogenic rectification device to solve the problem that proposes in the above-mentioned technique.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

a cryogenic rectification device comprises a rectification device body and a moving device, wherein the moving device comprises a first moving frame, a second moving frame, a first limiting assembly and a second limiting assembly, a first clamping mechanism and a second clamping mechanism are arranged between the first moving frame and the second moving frame in parallel and are used for clamping the rectification device body, one end of the first clamping mechanism is fixedly connected with the first moving frame, the other end of the first clamping mechanism is connected to the second moving frame in a sliding mode and is limited and fixed through the first limiting assembly, the first clamping mechanism is in threaded connection with the first limiting assembly, one end of the second clamping mechanism is connected with the first moving frame in a sliding mode, the other end of the second clamping mechanism is connected to the second moving frame in a sliding mode and is limited and fixed through the second limiting assembly, the second clamping mechanism is in threaded connection with the second limiting component, a first electric telescopic rod is fixedly connected onto the first moving frame, one side of the first electric telescopic rod is connected with the second clamping mechanism and is used for the second clamping mechanism to move towards or away from the first clamping mechanism, a second electric telescopic rod and a third electric telescopic rod are respectively and fixedly connected below the first moving frame and the second moving frame, a first base and a second base are respectively and fixedly connected below the second electric telescopic rod and the third electric telescopic rod, a first accommodating cavity is formed in one side of the first base facing the second base, a fourth electric telescopic rod is fixedly connected inside the first accommodating cavity, a supporting plate is connected to one side of the fourth electric telescopic rod and is in sliding connection with the inner wall of the first accommodating cavity, and a second accommodating cavity is formed in one side of the second base facing the first accommodating cavity, the supporting plate and the second accommodating cavity are matched with each other, the lower ends of the first base and the second base are connected with universal wheels, the outer side of the first moving frame is connected with a controller, and the first electric telescopic rod, the second electric telescopic rod, the third electric telescopic rod and the fourth electric telescopic rod are electrically connected with the controller respectively.

Specifically, a second sliding groove and a through groove are respectively formed in the second moving frame, the second sliding groove is formed in one side, facing the first moving frame, of the second moving frame, the through groove is formed in one side, away from the first moving frame, of the second moving frame, and the second sliding groove and the through groove are communicated with each other.

Specifically, first spacing subassembly includes first centre gripping hand, first slider and first threaded rod, the one end and the first removal frame fixed connection of first centre gripping hand, the first slider of other end fixed connection, the one end and the first threaded rod fixed connection of first centre gripping hand are kept away from to first slider, first centre gripping hand is equipped with first arc clamping face towards one side of rectifier unit body, sliding connection between first slider and the second spout, logical groove setting is worn to establish by first threaded rod, just threaded connection between first threaded rod and the first spacing subassembly.

Specifically, first spacing subassembly is first spacing hand wheel, first spacing hand wheel includes first outer rim plate, first interior rim plate, a plurality of first connecting muscle and the first in command, first outer rim plate is connected with first interior rim plate through a plurality of first connecting muscle, first internal thread hole has been seted up at first interior rim plate middle part, first internal thread hole and first threaded rod phase-match, the side fixed connection first in command of first outer rim plate.

Specifically, a first rubber layer is arranged in the first arc-shaped clamping face.

Specifically, second fixture includes second centre gripping hand, second slider, third slider and second threaded rod, the one end fixed connection second slider of second centre gripping hand, first spout has been seted up on the first removal frame, the phase-match between second slider and the first spout, the other end fixed connection third slider of second centre gripping hand, the one end and the second threaded rod fixed connection of second centre gripping hand are kept away from to the third slider, second centre gripping hand is equipped with second arc clamping face towards one side of rectifier unit body, sliding connection between third slider and the second spout, the second threaded rod is worn to establish logical groove setting, just threaded connection between second threaded rod and the spacing subassembly of second.

Specifically, the spacing subassembly of second is the spacing hand wheel of second, the spacing hand wheel of second includes rim plate, second inner wheel dish, a plurality of second splice bar and second handle in the second, the rim plate is connected with the second inner wheel dish through a plurality of second splice bars in the second outer rim plate, second internal thread hole has been seted up at the rim plate middle part in the second, second internal thread hole and second threaded rod phase-match, the side fixed connection second handle of the outer rim plate of second.

Specifically, a second rubber layer is arranged in the second arc-shaped clamping face.

Specifically, the lower surface of the supporting plate is rotatably connected with a plurality of rollers.

Specifically, the lower surface of backup pad is the symmetry still and is rotated and be connected with first connecting rod and second connecting rod, the one end that the backup pad was kept away from to first connecting rod and second connecting rod all rotates and is connected with the spring fixture block, all be equipped with on first base and the second base with spring fixture block assorted draw-in groove.

The utility model has the advantages that: the utility model discloses a first removal frame and second removal frame, with first removal frame and second removal frame respectively place the both sides of rectifier unit body, assemble first fixture, second fixture and second removal frame afterwards, recycle first spacing subassembly and carry out the spacing to first fixture, open first electric telescopic handle, and then drive second fixture and move towards first fixture, transversely grasp rectifier unit body, recycle second spacing subassembly and carry out the spacing to second fixture, and then guarantee the fastness between first fixture, second fixture and rectifier unit body; open second electric telescopic handle and third electric telescopic handle afterwards, and then drive first removal frame and the ascending lifting of second removal frame, make the rectification device body break away from ground, open fourth electric telescopic handle afterwards, and then drive the backup pad and accomodate at the second and accomodate the intracavity, restart second electric telescopic handle and third electric telescopic handle, make the rectification device body place in the backup pad, and then make the backup pad carry out vertical support to the rectification device body, promote first removal frame, under the effect of universal wheel, can realize removing whole device, it is fixed only to have horizontal centre gripping among the prior art to have solved, lack vertical support, again because rectification device body structure is heavy, it just can grasp the rectification device body to need great clamping-force, easily lead to second electric telescopic handle and motor to take place the damage, and then greatly reduced the device's life's problem.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a top view of a first movable frame according to an embodiment of the present invention;

fig. 3 is a top view of a first base according to an embodiment of the present invention;

fig. 4 is a side view of a first base according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a support plate according to an embodiment of the present invention;

fig. 6 is a top view of a first movable frame according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a first limiting assembly according to an embodiment of the present invention.

Reference numerals: the rectifying device comprises a rectifying device body 1, a first moving frame 2, a second moving frame 3, a controller 4, a first electric telescopic rod 5, a second electric telescopic rod 6, a third electric telescopic rod 7, a first base 8, a second base 9, a universal wheel 10, a first clamping hand 11, a second chute 12, a through groove 13, a first threaded rod 14, a first outer wheel disc 15, a first handle 16, a supporting plate 17, a first connecting rod 18, a second connecting rod 19, a second clamping hand 20, a second sliding block 21, a third sliding block 22, a first sliding block 23, a fourth electric telescopic rod 24, a roller 25, a spring clamping block 26, a second outer wheel disc 27, a second threaded rod 28, a second handle 29, a first connecting rib 30, a first inner wheel disc 31 and a first inner threaded hole 32.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawings 1-7, a cryogenic rectification device comprises a rectification device body 1 and a moving device, wherein the moving device comprises a first moving frame 2, a second moving frame 3, a first limiting component and a second limiting component, a first clamping mechanism and a second clamping mechanism are arranged between the first moving frame 2 and the second moving frame 3 in parallel and are used for clamping the rectification device body 1, one end of the first clamping mechanism is fixedly connected with the first moving frame 2, the other end of the first clamping mechanism is connected onto the second moving frame 3 in a sliding mode and is limited and fixed through the first limiting component, the first clamping mechanism is in threaded connection with the first limiting component, one end of the second clamping mechanism is connected with the first moving frame 2 in a sliding mode, the other end of the second clamping mechanism is connected onto the second moving frame 3 in a sliding mode and is limited and fixed through the second limiting component, the second clamping mechanism is in threaded connection with the second limiting component, the first moving frame 2 is fixedly connected with a first electric telescopic rod 5, one side of the first electric telescopic rod 5 is connected with the second clamping mechanism and is used for moving the second clamping mechanism towards or away from the first clamping mechanism, the lower parts of the first moving frame 2 and the second moving frame 3 are respectively and fixedly connected with a second electric telescopic rod 6 and a third electric telescopic rod 7, the lower parts of the second electric telescopic rod 6 and the third electric telescopic rod 7 are respectively and fixedly connected with a first base 8 and a second base 9, one side of the first base 8 towards the second base 9 is provided with a first accommodating cavity, the inside of the first accommodating cavity is fixedly connected with a fourth electric telescopic rod 24, one side of the fourth electric telescopic rod 24 is connected with a supporting plate 17, the utility model discloses a portable electric vehicle, including backup pad 17, first chamber, second base 9, controller 4, first electric telescopic handle 5, second electric telescopic handle 6, third electric telescopic handle 7, fourth electric telescopic handle 24, the backup pad is connected with the inner wall sliding connection who accomodates the chamber with first, second base 9 has been seted up the second towards the first one side of accomodating the chamber and has been accomodate the chamber, backup pad 17 and second are accomodate the adaptation setting between the chamber, the lower extreme of first base 8 and second base 9 all is connected with universal wheel 10, the outside of first removal frame 2 is connected with controller 4, first electric telescopic handle 5, second electric telescopic handle 6, third electric telescopic handle 7, fourth electric telescopic handle 24 link to each other with controller 4 electricity respectively.

Specifically, a second chute 12 and a through groove 13 are respectively formed in the second moving frame 3, the second chute 12 is arranged on one side, facing the first moving frame 2, of the second moving frame 3, the through groove 13 is arranged on one side, away from the first moving frame 2, of the second moving frame 3, and the second chute 12 and the through groove 13 are communicated with each other.

Further, the utility model relates to a second spout 12 and logical groove 13 are convenient for assemble first centre gripping hand 11 and second centre gripping hand 20 on second removes frame 3.

It should be understood that the utility model relates to a second spout 12 and logical groove 13, are one end and run through the second and remove frame 3, and the other end does not run through the second and removes the setting of frame 3 for first centre gripping hand 11 and second centre gripping hand 20 are all from running through the second and remove the one end assembly and sliding connection on second spout 12 of frame 3.

Specifically, first spacing subassembly includes first centre gripping hand 11, first slider 23 and first threaded rod 14, the one end and the first removal frame 2 fixed connection of first centre gripping hand 11, the first slider 23 of other end fixed connection, the one end and the first threaded rod 14 fixed connection of first centre gripping hand 11 are kept away from to first slider 23, first centre gripping hand 11 is equipped with first arc clamping face towards one side of rectifier unit body 1, sliding connection between first slider 23 and the second spout 12, logical groove 13 setting is worn to establish by first threaded rod 14, just threaded connection between first threaded rod 14 and the first spacing subassembly.

Specifically, first spacing subassembly is first spacing hand wheel, first spacing hand wheel includes first outer rim plate 15, first interior rim plate 31, a plurality of first splice bar 30 and the first in command 16, first outer rim plate 15 is connected with first interior rim plate 31 through a plurality of first splice bar 30, first internal thread hole 32 has been seted up at first interior rim plate 31 middle part, first internal thread hole 32 and first threaded rod 14 phase-match, the first in command 16 of side fixed connection of first outer rim plate 15.

Further, the utility model relates to a first spacing subassembly by first centre gripping hand 11, first slider 23 and first threaded rod 14 are constituteed, wherein, first slider 23 sliding connection is on second spout 12, be convenient for assemble first centre gripping hand 11 on second removal frame 3, first threaded rod 14 wears to establish logical groove 13 setting afterwards, be convenient for assemble first threaded rod 14 on second removal frame 3, reuse threaded connection between first inner wheel dish 31 and the first threaded rod 14, through precession or the first spacing subassembly of screw-out, and then realize moving the spacing of frame 3 on the second to first centre gripping hand 11 and fix or loosen first centre gripping hand 11.

Specifically, a first rubber layer is arranged in the first arc-shaped clamping face.

Specifically, second fixture includes second centre gripping hand 20, second slider 21, third slider 22 and second threaded rod 28, the one end fixed connection second slider 21 of second centre gripping hand 20, first spout has been seted up on the first removal frame 2, phase-match between second slider 21 and the first spout, the other end fixed connection third slider 22 of second centre gripping hand 20, the one end and the second threaded rod 28 fixed connection of second centre gripping hand 20 are kept away from to third slider 22, second centre gripping hand 20 is equipped with second arc clamping face towards one side of rectifier unit body 1, sliding connection between third slider 22 and the second spout 12, logical groove 13 setting is worn to establish by second threaded rod 28, just threaded connection between second threaded rod 28 and the second spacing subassembly.

Specifically, the spacing subassembly of second is the spacing hand wheel of second, the spacing hand wheel of second includes wheel disc 27, second inner wheel disc, a plurality of second splice bar and second handle 29 in the second, wheel disc 27 is connected with the second inner wheel disc through a plurality of second splice bars in the second, second internal thread hole has been seted up at the wheel disc middle part in the second, second internal thread hole and second threaded rod 28 phase-match, the side fixed connection second handle 29 of the outer wheel disc 27 of second.

Further, the utility model relates to a second fixture is by second centre gripping hand 20, second slider 21, third slider 22 and second threaded rod 28 are constituteed, wherein, utilize second slider 21, under the effect of first electric telescopic handle 5, it removes to drive second fixture towards first fixture, and then realize transversely holding rectifying device body 1, reuse in the second between rim plate and the second threaded rod 28 threaded connection, through precession or the spacing subassembly of precession second, and then realize moving the spacing fixed of putting up 3 or loosening the fixed to second centre gripping hand 20 on the second, and then guarantee first fixture, the fastness between second fixture and the rectifying device body 1.

Specifically, a second rubber layer is arranged in the second arc-shaped clamping face.

Further, the utility model relates to a first rubber layer and second rubber layer can improve the frictional force between first fixture, second fixture and the rectification device body 1, and further guarantee the fastness between first fixture, second fixture and the rectification device body 1.

Specifically, the lower surface of the supporting plate 17 is rotatably connected with a plurality of rollers 25.

Further, the utility model relates to a gyro wheel 25 is convenient for accomodate backup pad 17 in the second accomodates the intracavity, and the frictional force of intracavity portion, convenient to use are accomodate to greatly reduced backup pad 17 and second.

Specifically, the lower surface of backup pad 17 is the symmetry still and is rotated and be connected with first connecting rod 18 and second connecting rod 19, the one end that backup pad 17 was kept away from to first connecting rod 18 and second connecting rod 19 all rotates and is connected with spring fixture block 26, all be equipped with on first base 8 and the second base 9 with spring fixture block 26 assorted draw-in groove.

Further, the utility model relates to a first connecting rod 18 and second connecting rod 19 to and the buckle is connected between spring fixture block 26 and the draw-in groove, utilizes and is similar to right angled triangle fixed stay principle, can improve the supporting role of backup pad 17 greatly, and then improves this device vertical braces's stability.

Further, the utility model relates to a spring clamp block 26 is prior art with the draw-in groove, including but not limited to refer to CN114712239A production with the buckle of stewing device and the structural feature of spacing draw-in groove, the utility model discloses aim at low temperature rectifier unit's structural feature.

When the device is used, the first moving frame 2 and the second moving frame 3 are respectively placed on two sides of the rectifying device body 1, then the first clamping mechanism, the second clamping mechanism and the second moving frame 3 are assembled, the first limiting assembly is used for limiting the first clamping mechanism, the first electric telescopic rod 5 is started, the second clamping mechanism is driven to move towards the first clamping mechanism to transversely clamp the rectifying device body 1, the second limiting assembly is used for limiting the second clamping mechanism, and therefore firmness among the first clamping mechanism, the second clamping mechanism and the rectifying device body 1 is guaranteed; open second electric telescopic handle 6 and third electric telescopic handle 7 afterwards, and then drive first removal frame 2 and the ascending lifting of second removal frame 3, make rectifier unit body 1 break away from ground, open fourth electric telescopic handle 24 afterwards, and then drive backup pad 17 and accomodate the intracavity at the second, restart second electric telescopic handle 6 and third electric telescopic handle 7, make rectifier unit body 1 place in backup pad 17, and then make backup pad 17 carry out vertical braces to rectifier unit body 1, promote first removal frame 2, under the effect of universal wheel 10, can realize removing whole device, it is fixed only to have horizontal centre gripping among the prior art to have solved, lack vertical braces, again because rectifier unit body 1 structure is heavy, it just can grasp rectifier unit body 1 to need great clamping-force, easily lead to second electric telescopic handle 6 and motor to take place to damage, and then greatly reduced the device's life's problem.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (10)

1. A cryogenic rectification device comprises a rectification device body and a moving device, and is characterized in that the moving device comprises a first moving frame, a second moving frame, a first limiting assembly and a second limiting assembly, a first clamping mechanism and a second clamping mechanism are arranged between the first moving frame and the second moving frame in parallel and are used for clamping the rectification device body, one end of the first clamping mechanism is fixedly connected with the first moving frame, the other end of the first clamping mechanism is connected to the second moving frame in a sliding mode and is limited and fixed through the first limiting assembly, the first clamping mechanism is in threaded connection with the first limiting assembly, one end of the second clamping mechanism is connected with the first moving frame in a sliding mode, the other end of the second clamping mechanism is connected to the second moving frame in a sliding mode and is limited and fixed through the second limiting assembly, the second clamping mechanism is in threaded connection with the second limiting component, a first electric telescopic rod is fixedly connected onto the first moving frame, one side of the first electric telescopic rod is connected with the second clamping mechanism and used for the second clamping mechanism to move towards or away from the first clamping mechanism, a second electric telescopic rod and a third electric telescopic rod are respectively and fixedly connected below the first moving frame and the second moving frame, a first base and a second base are respectively and fixedly connected below the second electric telescopic rod and the third electric telescopic rod, a first accommodating cavity is formed in one side of the first base facing the second base, a fourth electric telescopic rod is fixedly connected inside the first accommodating cavity, a supporting plate is connected to one side of the fourth electric telescopic rod and is in sliding connection with the inner wall of the first accommodating cavity, the second base has been seted up towards one side of first storage chamber to accomodate the chamber, the adaptation setting between the chamber is accomodate to backup pad and second, the lower extreme of first base and second base all is connected with the universal wheel, the outside of first removal frame is connected with the controller, first electric telescopic handle, second electric telescopic handle, third electric telescopic handle, fourth electric telescopic handle are connected with the controller electricity respectively.

2. The cryogenic rectification device according to claim 1, wherein the second movable frame is provided with a second chute and a through groove, the second chute is disposed on a side of the second movable frame facing the first movable frame, the through groove is disposed on a side of the second movable frame away from the first movable frame, and the second chute and the through groove are communicated with each other.

3. The cryogenic rectification device according to claim 2, wherein the first limiting component comprises a first clamping hand, a first sliding block and a first threaded rod, one end of the first clamping hand is fixedly connected with the first moving frame, the other end of the first clamping hand is fixedly connected with the first sliding block, one end of the first sliding block, which is far away from the first clamping hand, is fixedly connected with the first threaded rod, a first arc-shaped clamping surface is arranged on one side, facing the rectification device body, of the first clamping hand, the first sliding block is slidably connected with the second sliding groove, the first threaded rod penetrates through the through groove, and the first threaded rod is in threaded connection with the first limiting component.

4. The cryogenic rectification device according to claim 3, wherein the first limiting assembly is a first limiting hand wheel, the first limiting hand wheel comprises a first outer wheel disc, a first inner wheel disc, a plurality of first connecting ribs and a first handle, the first outer wheel disc is connected with the first inner wheel disc through the plurality of first connecting ribs, a first inner threaded hole is formed in the middle of the first inner wheel disc, the first inner threaded hole is matched with the first threaded rod, and the first handle is fixedly connected to the side surface of the first outer wheel disc.

5. A cryogenic rectification device as claimed in claim 3 wherein a first rubber layer is disposed within the first arcuate clamping surface.

6. The cryogenic rectification device according to claim 2, wherein the second clamping mechanism comprises a second clamping hand, a second sliding block, a third sliding block and a second threaded rod, one end of the second clamping hand is fixedly connected with the second sliding block, a first sliding groove is formed in the first movable frame, the second sliding block is matched with the first sliding groove, the other end of the second clamping hand is fixedly connected with the third sliding block, one end of the third sliding block, which is far away from the second clamping hand, is fixedly connected with the second threaded rod, a second arc-shaped clamping surface is arranged on one side, which faces the rectification device body, of the second clamping hand, the third sliding block is slidably connected with the second sliding groove, the second threaded rod penetrates through the through groove, and the second threaded rod is in threaded connection with the second limiting component.

7. The low-temperature rectifying device according to claim 5, wherein the second limiting assembly is a second limiting hand wheel, the second limiting hand wheel comprises a second outer wheel disc, a second inner wheel disc, a plurality of second connecting ribs and a second handle, the second outer wheel disc is connected with the second inner wheel disc through the plurality of second connecting ribs, a second inner threaded hole is formed in the middle of the second inner wheel disc, the second inner threaded hole is matched with the second threaded rod, and the second handle is fixedly connected to the side surface of the second outer wheel disc.

8. A cryogenic rectification device as claimed in claim 6 wherein a second rubber layer is disposed within the second arcuate clamping surface.

9. The cryogenic rectification device of claim 1 wherein the lower surface of the support plate is rotatably connected to a plurality of rollers.

10. The cryogenic rectification device of claim 1, wherein the lower surface of the support plate is further symmetrically and rotatably connected with a first connecting rod and a second connecting rod, one ends of the first connecting rod and the second connecting rod, which are far away from the support plate, are rotatably connected with spring clamping blocks, and the first base and the second base are provided with clamping grooves matched with the spring clamping blocks.

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