CN117284186A

CN117284186A - Multifunctional transportation cold chain vehicle for food delivery

Info

Publication number: CN117284186A
Application number: CN202311310432.8A
Authority: CN
Inventors: 林旭辉; 陈晓珠; 林晓松
Original assignee: Shenzhen Runhui Food Distribution Co ltd
Current assignee: Shenzhen Runhui Food Distribution Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2023-12-26

Abstract

The invention discloses a multifunctional transportation cold chain vehicle for food delivery, which comprises a cab, an air outlet and a winding column, wherein the cab is connected with a vehicle body, a vehicle door is connected to the vehicle body, a first lead screw and a second lead screw are arranged in the vehicle body, and a first transportation table and a second transportation table are respectively arranged on the first lead screw and the second lead screw. This multi-functional transportation cold chain car that food delivery was used, first motor passes through belt drive structure drive first lead screw and rotates for first transfer platform moves the goods to the carriage inside, when carrying out loading and unloading to the goods on the first transfer platform electronic slider drives first motor and reciprocates, can be with the tight that rises that is used for the second lead screw of connection, the belt drive structure that is used for connecting first lead screw is in the relaxation state this moment, and then can be through the rotatory second lead screw of belt drive structure drive that rises, and then can utilize the second transfer platform to transport the goods, and with this intensity of labour who reduces staff improves loading and unloading efficiency.

Description

Multifunctional transportation cold chain vehicle for food delivery

Technical Field

The invention relates to the technical field of cold chain vehicles, in particular to a multifunctional transportation cold chain vehicle for food delivery.

Background

The cold chain car just can ensure the carriage in low temperature, participate in the vehicle of cold chain transportation, need use the cold chain car in the in-process of transporting some fresh, frozen food, through retrieving, discover the cold chain car among the prior art is typical like the multi-functional transportation cold chain car that a quick-frozen food was used of publication number CN112874426A, including the cold chain car body, the rear end downside fixedly connected with support of cold chain car body, support outside both ends fixedly connected with cassette, the inside swing joint of cassette has first hydraulic stem, the one end swing joint that the cassette was kept away from to first hydraulic stem is inside the support, support fixedly connected with is at platform downside both sides limit inner, the inboard central point of platform puts both ends swing joint has the support arm. The device is mainly characterized in that the platform, the first hydraulic rod and the second hydraulic rod are arranged, the first hydraulic rod and the second hydraulic rod are controlled to operate through the external control end, the effect of improving the cargo loading and unloading efficiency of work is achieved, and the function and the practicability of the device are improved.

To sum up, the existing cold chain vehicle needs to manually drag and carry cargoes deep in a carriage to a vehicle door when loading and unloading cargoes, and then uses a forklift to transport the cargoes, so that the labor intensity of workers is high, the loading and unloading efficiency is low, and the existing equipment needs to be improved according to the problems.

Disclosure of Invention

The invention aims to provide a multifunctional transportation cold chain vehicle for food delivery, which aims to solve the problems that the conventional cold chain vehicle provided in the background art needs to manually drag and convey goods deep in a carriage to a vehicle door and then transport the goods by using a forklift when loading and unloading the goods, so that the labor intensity of staff is high and the loading and unloading efficiency is low.

In order to achieve the above purpose, the present invention provides the following technical solutions: a multifunctional cold chain transportation vehicle for food delivery comprises a cab, an air outlet and a winding column,

the cab is connected with the vehicle body, a carriage is arranged at the top of the vehicle body, a vehicle door is connected to the carriage, a first lead screw and a second lead screw are arranged in the carriage, a first transfer table and a second transfer table are respectively arranged on the first lead screw and the second lead screw, weighing devices are respectively arranged at the tops of the first transfer table and the second transfer table, one side of the first transfer table is connected with a blanking frame, a blanking roller is connected to the blanking frame, the first lead screw and the second lead screw are connected with a driving shaft through a belt transmission structure, and one end of the driving shaft is connected with the output end of a first motor;

the air exit sets up one side of refrigeration unit, and the refrigeration unit installs on a lateral wall in carriage, both sides all are provided with the guide way about the air exit, and the guide way in-connection has extending mechanism, the rolling post sets up the opposite side at the air exit, and the rolling has the heat preservation curtain on the rolling post, and the rolling post passes through belt drive structure and is connected with winding mechanism simultaneously, winding mechanism sets up at the top in carriage, and solar photovoltaic board is installed at the top in carriage, solar photovoltaic board and driven mechanism contact simultaneously.

Preferably, the first lead screw is arranged above the second lead screw, and the first lead screw and the second lead screw are both in sliding connection with the inside of the carriage.

Preferably, the right side walls of the first transfer table and the second transfer table are provided with pressing switches, the bottom of the second transfer table is provided with balls, and the first transfer table is provided with clamping grooves.

Preferably, the weighing device is electrically connected with the controller, the control panel and the buzzer, and the control panel and the buzzer are mounted on the inner side wall of the carriage.

Preferably, the first motor is mounted on the electric sliding block, the electric sliding block is arranged on the electric sliding rail, and meanwhile the electric sliding rail is mounted on the inner side wall of the carriage.

Preferably, the winding mechanism comprises a first winding shaft, a dust cover, a rope, a second winding shaft and a second motor, wherein the dust cover is wound on the first winding shaft and connected with one end of the rope through a driven mechanism, the other end of the rope is wound on the second winding shaft, and one end of the second winding shaft is connected with the output end of the second motor.

Preferably, the dust cover is arranged above the solar photovoltaic panel, the solar photovoltaic panel is arranged above the storage battery pack, and the storage battery pack is arranged in the top of the carriage.

Preferably, the second winding shaft and the first winding shaft are fixedly arranged at the top of the carriage, and the second winding shaft is connected with the winding column through a belt transmission structure.

Preferably, the driven mechanism comprises a transmission block, a telescopic spring, a telescopic column, a vertical plate and a first cleaning brush, wherein two sides of the transmission block are respectively connected with a dust cover and a rope, the transmission block is connected with the top of the vertical plate through the telescopic column and the telescopic spring, the bottom of the vertical plate is connected with the first cleaning brush, and meanwhile the first cleaning brush is in contact with the upper surface of the solar photovoltaic plate.

Preferably, the extension mechanism comprises a sliding frame, a second cleaning brush, a bracket, an electric telescopic rod and a clamping block, the sliding frame is slidably connected in the guide groove, the second cleaning brush is connected to the inner side of the sliding frame and is in contact with the air outlet, the bracket is connected to the bottom of the sliding frame, the electric telescopic rod is installed in the bracket, the clamping block is connected to the bottom of the electric telescopic rod, and meanwhile the clamping block is connected with the guide groove in a clamping mode.

Compared with the prior art, the invention has the beneficial effects that: the multifunctional transportation cold chain vehicle for food delivery,

(1) According to the invention, the problems that the existing cold chain vehicle needs to manually drag and carry cargoes to the vehicle door in the deep part of a carriage when cargoes are loaded and unloaded by the aid of the first lead screw, the second lead screw and the first motor are matched, so that the labor intensity of workers is high and the loading and unloading efficiency is low are solved, the first lead screw is driven to rotate by the first motor through the belt transmission structure, the first transfer table moves cargoes into the carriage, the electric sliding block drives the first motor to move upwards when cargoes on loading and unloading on the first transfer table, the second lead screw for connection can be tensioned, the belt transmission structure for connecting the first lead screw is in a loose state at the moment, the second lead screw can be driven to rotate by the tensioned belt transmission structure, the cargoes can be transported by the second transfer table, meanwhile, the weighing device can weigh the cargoes on the first transfer table and the second transfer table, when the cargoes exceed the set weight, the hidden danger of damage exists, the weighing device can transmit the information to the controller, the controller can control the buzzer to carry out the control on the work intensity of the workers, the weighing and the second transfer table is convenient to store and the overload of the cargoes, the working intensity of the workers is prevented from being damaged by the first transfer table, the weighing and the loading and unloading device is convenient to store the overload, the working intensity of the cargoes can be controlled by the weighing and the weighing device;

(2) According to the invention, the problem that the photovoltaic module is usually additionally arranged at the top of a carriage in order to reduce energy consumption of the conventional cold chain vehicle, and is easily polluted by scattered dust in a warehouse when the cold chain vehicle loads and unloads cargoes, and manual cleaning is troublesome is effectively solved by the matched use of the winding mechanism, the winding mechanism drives the winding column to rotate so as to wind up the heat-insulating curtain to expose cargoes for loading and unloading work, and simultaneously drives the second winding shaft to rotate so as to synchronously drive the winding rope to extend the dust cover on the first winding shaft to cover and shield the solar photovoltaic panel below the first winding shaft, so that the solar photovoltaic panel is prevented from being polluted by the dust when the cargoes are loaded and unloaded, the functionality of the device is enriched, and meanwhile, the first cleaning brush at the bottom of the vertical plate is driven by the telescopic spring and the telescopic column to clean the dust on the solar photovoltaic panel when the dust cover moves, and the dust cleaning is more convenient than manual cleaning;

(3) According to the invention, the problem that an air outlet of an existing cold chain vehicle is easy to be blocked by dust and high in energy consumption can be effectively solved through the matching of the extension mechanism, the clamping block can be pushed by the electric telescopic rod in the extension mechanism to be downwards clamped into the clamping groove on the first transfer table, so that the sliding frame and the second cleaning brush can be driven to move through the electric telescopic rod when the first transfer table moves to carry cargoes, the moving second cleaning brush can reciprocate to clean pollutants at the air outlet, the refrigerating effect of the device is ensured, meanwhile, after the first transfer table and the second transfer table finish loading work, a worker can control the first motor to drive the first motor to move to the inner side of the vehicle door, the pressing switch on the first transfer table and the second transfer table can be extruded and started, the second motor can further drive the rolling column to reversely rotate to release the cargoes in the carriage and the vehicle door, the second rolling shaft is driven to roll the dust cover, the solar photovoltaic panel can be further exposed, the solar photovoltaic panel is utilized to carry out photoelectric conversion, and the matching degree of the energy consumption is reduced.

Drawings

FIG. 1 is a schematic view of a front view in cross section;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic top view of the connection relationship among the first transfer table, the second transfer table and the first screw rod;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;

fig. 5 is an enlarged schematic view of the structure of fig. 1 at B according to the present invention.

In the figure: 1. a cab; 2. a vehicle body; 3. a carriage; 4. a first lead screw; 5. a second lead screw; 6. a first transfer station; 7. a second transfer station; 8. a weighing device; 9. a blanking frame; 10. a blanking roller; 11. a driving shaft; 12. a first motor; 13. an electric slide rail; 14. an electric slide block; 15. an air outlet; 16. a control panel; 17. a buzzer; 18. a vehicle door; 19. a winding mechanism; 1901. a first take-up spool; 1902. a dust cover; 1903. a rope; 1904. a second take-up spool; 1905. a second motor; 20. winding a column; 21. a thermal insulation curtain; 22. a solar photovoltaic panel; 23. a battery pack; 24. a driven mechanism; 2401. a transmission block; 2402. a telescopic spring; 2403. a telescopic column; 2404. a vertical plate; 2405. a first cleaning brush; 25. a clamping groove; 26. an extension mechanism; 2601. a carriage; 2602. a second cleaning brush; 2603. a bracket; 2604. an electric telescopic rod; 2605. a clamping block; 27. a guide groove; 28. the switch is pressed.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-5, the present invention provides a technical solution: a multifunctional transportation cold chain vehicle for food delivery,

example 1

As shown in fig. 1, 2 and 3, a cab 1 is connected with a vehicle body 2, a carriage 3 is arranged at the top of the vehicle body 2, a vehicle door 18 is connected to the carriage 3, a first lead screw 4 and a second lead screw 5 are arranged in the carriage 3, a first transfer table 6 and a second transfer table 7 are respectively arranged on the first lead screw 4 and the second lead screw 5, weighing devices 8 are respectively arranged at the tops of the first transfer table 6 and the second transfer table 7, a blanking frame 9 is connected to one side of the first transfer table 6, a blanking roller 10 is connected to the blanking frame 9, the first lead screw 4 and the second lead screw 5 are connected with a driving shaft 11 through a belt transmission structure, and one end of the driving shaft 11 is connected with the output end of a first motor 12;

in a further embodiment, the first screw 4 is arranged above the second screw 5, and both the first screw 4 and the second screw 5 are slidingly connected inside the car 3.

In a further embodiment, the right side walls of the first transfer table 6 and the second transfer table 7 are respectively provided with a push switch 28, the bottom of the second transfer table 7 is provided with a ball, and the first transfer table 6 is provided with a clamping groove 25.

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In a further embodiment, the first motor 12 is mounted on the motorized slider 14, and the motorized slider 14 is disposed on the motorized sliding rail 13, while the motorized sliding rail 13 is mounted on the inside wall of the cabin 3.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the air outlet 15 is arranged on one side of the refrigerating unit, the refrigerating unit is installed on one side wall of the carriage 3, the upper side and the lower side of the air outlet 15 are respectively provided with a guide groove 27, an extension mechanism 26 is connected in the guide grooves 27, the winding column 20 is arranged on the other side of the air outlet 15, a thermal insulation curtain 21 is wound on the winding column 20, meanwhile, the winding column 20 is connected with the winding mechanism 19 through a belt transmission structure, the winding mechanism 19 is arranged at the top of the carriage 3, a solar photovoltaic panel 22 is installed at the top of the carriage 3, and the solar photovoltaic panel 22 is contacted with a driven mechanism 24.

In a further embodiment, the driven mechanism 24 includes a driving block 2401, a telescopic spring 2402, a telescopic column 2403, a vertical plate 2404 and a first cleaning brush 2405, and two sides of the driving block 2401 are respectively connected with the dust cover 1902 and the ropes 1903, the driving block 2401 is connected with the top of the vertical plate 2404 through the telescopic column 2403 and the telescopic spring 2402, and the bottom of the vertical plate 2404 is connected with the first cleaning brush 2405, while the first cleaning brush 2405 is in contact with the upper surface of the solar photovoltaic panel 22.

In a further embodiment, the extending mechanism 26 includes a carriage 2601, a second cleaning brush 2602, a bracket 2603, an electric telescopic rod 2604 and a clamping block 2605, the carriage 2601 is slidably connected inside the guide groove 27, the second cleaning brush 2602 is connected to the inner side of the carriage 2601, the second cleaning brush 2602 is in contact with the air outlet 15, the bracket 2603 is connected to the bottom of the carriage 2601, the electric telescopic rod 2604 is mounted in the bracket 2603, the clamping block 2605 is connected to the bottom of the electric telescopic rod 2604, and the clamping block 2605 is connected to the guide groove 27 in a clamping manner.

Specifically, in the actual working process, the door 18 is opened to place cargoes on the first transfer table 6, then the first motor 12 is started to drive the first lead screw 4 to rotate, so that the first transfer table 6 drives the cargoes to move into the carriage 3, then the electric sliding block 14 drives the first motor 12 to move upwards along the electric sliding rail 13 to tightly expand the second lead screw 5 for connection, at the moment, the belt transmission structure for connecting the first lead screw 4 is in a loose state, the second lead screw 5 can be driven to rotate through the belt transmission structure which is tightly expanded, the cargoes can be transported by the second transfer table 7, meanwhile, a worker can take down the cargoes on the first transfer table 6 by the blanking frame 9 and put the cargoes in the carriage 3, on the other hand, the weighing device 8 can weigh the cargoes on the first transfer table 6 and the second transfer table 7, and store the total shipment amount, meanwhile, when the cargoes exceed the set weight, the hidden danger of overload damage exists, the weighing device 8 can transmit the information to the controller, the controller is prevented from warning the worker to transfer the cargoes by the controller 17, and the first transfer table 6 and the cargoes are in the overload state;

when the first transfer table 6 and the second transfer table 7 move to transport goods, the push switch 28 is not pressed, so that the rolling mechanism 19 controlled by the push switch 28 is started, the solar photovoltaic panel 22 is shielded and covered when the rolling mechanism 19 is started, meanwhile, the rolling column 20 is controlled to be driven to rotate reversely to roll the heat insulation curtain 21, further, goods can be conveniently loaded and unloaded into the carriage 3 through the vehicle door 18, when the air outlet 15 needs to be cleaned, a worker can control the electric telescopic rod 2604 to drive the carriage 2601 and the second cleaning brush 2602 to move, and the moved second cleaning brush 2602 is driven to reciprocate to clean pollutants at the air outlet 15, so that normal work of the pollutants is ensured;

after the loading and unloading are completed, the operator can control the first motor 12 to drive the first motor to move to the inner side of the car door 18, at the moment, the push switches 28 on the first transfer table 6 and the second transfer table 7 are extruded and control the second motor 1905 to rotate in the direction, the winding column 20 is driven to rotate reversely to release the heat insulation curtain 21 to separate cargoes in the carriage 3 from the car door 18, meanwhile, the second winding shaft 1904 is driven to wind the dust cover 1902, and then the solar photovoltaic panel 22 can be exposed, and further, the solar photovoltaic panel 22 can be utilized for photoelectric conversion in the transportation route, and converted electric energy is stored in the storage battery pack 23 to provide electric power for the refrigeration work of the refrigerating unit.

Example two

This embodiment is a further description of the above embodiment, and it should be understood that this embodiment includes all the foregoing technical features and is further specifically described.

As shown in fig. 1, 2 and 5, in a further embodiment, the winding mechanism 19 includes a first winding shaft 1901, a dust cover 1902, a rope 1903, a second winding shaft 1904 and a second motor 1905, where the dust cover 1902 is wound on the first winding shaft 1901, the dust cover 1902 is connected to one end of the rope 1903 through a driven mechanism 24, and the other end of the rope 1903 is wound on the second winding shaft 1904, and one end of the second winding shaft 1904 is connected to an output end of the second motor 1905.

In a further embodiment, the dust cap 1902 is disposed over the solar photovoltaic panel 22, and the solar photovoltaic panel 22 is disposed over the battery pack 23, with the battery pack 23 mounted in the top of the cabin 3.

In a further embodiment, the second winding shaft 1904 and the first winding shaft 1901 are both fixedly installed at the top of the carriage 3, and the second winding shaft 1904 is connected with the winding column 20 through a belt transmission structure, and the spiral spring is disposed inside the first winding shaft 1901 and is automatically wound through the spiral spring, and meanwhile, since the spiral spring is an existing structure, i.e. a structure similar to a tape measure, detailed description of specific structure components thereof will not be provided herein.

Specifically, when the second motor 1905 drives the second winding shaft 1904 to rotate the winding rope 1903, the dust cover 1902 on the first winding shaft 1901 is pulled to be unfolded to cover and shield the solar photovoltaic panel 22 below the dust cover 1902, and dust in a warehouse pollutes the solar photovoltaic panel 22 when the dust cover 1902 is discharged, on the other hand, when the dust cover 1902 is moved to cover and store, the first cleaning brush 2405 at the bottom of the vertical plate 2404 is driven to synchronously move through the telescopic spring 2402 and the telescopic column 2403, namely, the solar photovoltaic panel 22 is cleaned and dedusted through the moving first cleaning brush 2405, and normal operation of the dust cover 1902 is ensured.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides a multi-functional transportation cold chain car that food delivery was used, includes driver's cabin (1), air exit (15) and rolling post (20), its characterized in that:

the automatic feeding device is characterized in that the cab (1) is connected with the car body (2), a carriage (3) is arranged at the top of the car body (2), a car door (18) is connected to the carriage (3), a first lead screw (4) and a second lead screw (5) are arranged in the carriage (3), a first transfer table (6) and a second transfer table (7) are respectively arranged on the first lead screw (4) and the second lead screw (5), weighing devices (8) are respectively arranged at the tops of the first transfer table (6) and the second transfer table (7), a discharging frame (9) is connected to one side of the first transfer table (6), a discharging roller (10) is connected to the discharging frame (9), the first lead screw (4) and the second lead screw (5) are connected with a driving shaft (11) through a belt transmission structure, and one end of the driving shaft (11) is connected with the output end of a first motor (12);

the air outlet (15) sets up one side of refrigeration unit, and refrigeration unit installs on one lateral wall of carriage (3), the upper and lower both sides of air outlet (15) all are provided with guide way (27), and guide way (27) in-connection has extending mechanism (26), rolling post (20) set up the opposite side at air outlet (15), and the rolling has heat preservation curtain (21) on rolling post (20), and rolling post (20) are connected with rolling mechanism (19) through belt drive structure simultaneously, rolling mechanism (19) set up at the top of carriage (3), and solar photovoltaic board (22) are installed at the top of carriage (3), solar photovoltaic board (22) and follower (24) contact simultaneously.

2. The multi-purpose transportation cold chain vehicle for food delivery of claim 1, wherein: the first lead screw (4) is arranged above the second lead screw (5), and the first lead screw (4) and the second lead screw (5) are both in sliding connection with the inside of the carriage (3).

3. The multi-purpose transportation cold chain vehicle for food delivery of claim 1, wherein: push switches (28) are arranged on the right side walls of the first transfer table (6) and the second transfer table (7), balls are arranged at the bottom of the second transfer table (7), and meanwhile clamping grooves (25) are formed in the first transfer table (6).

4. The multi-purpose transportation cold chain vehicle for food delivery of claim 1, wherein: the weighing device (8) is electrically connected with the controller, the control panel (16) and the buzzer (17), and the control panel (16) and the buzzer (17) are mounted on the inner side wall of the carriage (3).

5. The multi-purpose transportation cold chain vehicle for food delivery of claim 1, wherein: the first motor (12) is arranged on the electric sliding block (14), the electric sliding block (14) is arranged on the electric sliding rail (13), and meanwhile the electric sliding rail (13) is arranged on the inner side wall of the carriage (3).

6. The multi-purpose transportation cold chain vehicle for food delivery of claim 1, wherein: winding mechanism (19) are including first rolling axle (1901), dust cover (1902), rope (1903), second rolling axle (1904) and second motor (1905), and the rolling has dust cover (1902) on first rolling axle (1901), dust cover (1902) are connected with one end of rope (1903) through driven mechanism (24), and the other end winding of rope (1903) is on second rolling axle (1904), and the one end of second rolling axle (1904) is connected with the output of second motor (1905) simultaneously.

7. The multi-purpose transport cold chain vehicle for food delivery of claim 6, wherein: the dust cover (1902) is arranged above the solar photovoltaic panel (22), the solar photovoltaic panel (22) is arranged above the storage battery pack (23), and the storage battery pack (23) is arranged in the top of the carriage (3).

8. The multi-purpose transport cold chain vehicle for food delivery of claim 6, wherein: the second winding shaft (1904) and the first winding shaft (1901) are fixedly arranged at the top of the carriage (3), and the second winding shaft (1904) is connected with the winding column (20) through a belt transmission structure.

9. The multi-purpose transportation cold chain vehicle for food delivery of claim 1, wherein: driven mechanism (24) are including transmission piece (2401), telescopic spring (2402), telescopic column (2403), riser (2404) and first cleaning brush (2405), and the both sides of transmission piece (2401) are connected with dust cover (1902) and rope (1903) respectively, transmission piece (2401) are connected with the top of riser (2404) through telescopic column (2403) and telescopic spring (2402), and the bottom of riser (2404) is connected with first cleaning brush (2405), and simultaneously first cleaning brush (2405) and the upper surface contact of solar photovoltaic board (22).

10. The multi-purpose transportation cold chain vehicle for food delivery of claim 1, wherein: the extension mechanism (26) comprises a sliding frame (2601), a second cleaning brush (2602), a bracket (2603), an electric telescopic rod (2604) and a clamping block (2605), wherein the sliding frame (2601) is connected to the inside of the guide groove (27) in a sliding mode, the second cleaning brush (2602) is connected to the inner side of the sliding frame (2601), the second cleaning brush (2602) is in contact with the air outlet (15), the bracket (2603) is connected to the bottom of the sliding frame (2601), the electric telescopic rod (2604) is installed in the bracket (2603), the clamping block (2605) is connected to the bottom of the electric telescopic rod (2604), and meanwhile the clamping block (2605) is connected with the guide groove (27) in a clamping mode.