High-pressure pipe assembly structure convenient to disassemble and assemble

Abstract

The high-pressure pipe assembly structure convenient to disassemble and assemble comprises a feeding table, a special-shaped table is spliced to one end of the feeding table, a rubber pipe roll is rotationally installed at the end, away from the special-shaped table, of the top of the feeding table, and a cutting assembly is installed at the end, close to the special-shaped table, of the top of the feeding table. And a feeding assembly is mounted on the feeding table between the cutting assembly and the rubber tube coil. The large fluted disc is arranged and rotates to drive a rubber tube to be assembled to be transferred among the feeding station, the rubber stripping station, the internal cutting station, the assembling station, the pressing station and the discharging station, automatic external rubber stripping, internal machining and overall pressing operation are achieved, the automation degree is higher, only one worker needs to sit on the assembling station, the labor intensity of workers is reduced, and the production efficiency is improved. Therefore, the assembly line type assembly function can be achieved, and the production efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the field of high-pressure pipes, and more specifically, to a high-pressure pipe assembly structure which is easy to disassemble and assemble. Background Art

[0002] High-pressure hose assembly is a commonly used auxiliary device in hydraulic system. It is usually used to connect various hydraulic components in hydraulic system to transmit hydraulic power or transport high-pressure media such as water, gas, oil, etc. to ensure the circulation of liquid and transfer liquid energy.

[0003] After searching, the existing patent (application number: 201920265913.3) discloses a high-pressure hose assembly, which belongs to the technical field of hydraulic pipeline connectors. Its technical points include a hose, a joint core and a crimping joint sleeve. One end of the joint core is inserted into the hose, and the other end is sleeved with a nut. The crimping joint sleeve is sleeved on the outer surface of the hose. The joint core is provided with a crimping groove for crimping with the crimping joint sleeve. The joint core is provided with a receiving groove between the nut and the crimping groove. A separation gasket is provided in the receiving groove. The outer diameter of the separation gasket is larger than the outer diameter of the receiving groove. It can prevent the separation gasket from being accidentally pressed during crimping, and ensure the sealing of the connection between the joint core and the crimping joint sleeve.

[0004] The existing high-pressure hose assembly is usually assembled manually by holding the hose and transferring it to the cutting knife for cutting. Then the cut hose is inserted into the external stripping machine and the internal cutting machine for end processing. Then the upper joint core and the buckle joint are manually assembled. Finally, the joint is pressed by the pressing machine. The overall automation level is low, and the assembly efficiency is low, which is not suitable for mass production of high-pressure hoses.

[0005] Therefore, in view of the above problems, a high-pressure pipe assembly structure that is easy to disassemble and assemble is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a high-pressure pipe assembly structure that is easy to disassemble and assemble, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-pressure pipe assembly structure that is easy to disassemble and assemble, comprising a loading table, one end of the loading table is spliced ​​with a special-shaped table, and a hose roll is rotatably installed at one end of the top of the loading table away from the special-shaped table, a cutting component is installed at one end of the top of the loading table close to the special-shaped table, and a feeding component is installed on the loading table between the cutting component and the hose roll, and a guide ring is installed on the loading table between the feeding component and the hose roll;

[0008] A limiting center column is threadedly connected at the middle position of the top of the special-shaped table, and a touch sensor is installed at the middle position of the top of the limiting center column, a large toothed disc is rotatably installed on the special-shaped table at the outer periphery of the limiting center column, and ball bearings are evenly embedded on the top of the special-shaped table below the large toothed disc, a small toothed disc is evenly rotatably installed at the edge position of the top of the large toothed disc, and a limiting seat is installed on the top of the small toothed disc, a through groove is opened in the limiting seat, and a micro-hydraulic telescopic rod is fixed on the top of the limiting seat, a flexible pressure plate is arranged on the top of the through groove, and the output end of the micro-hydraulic telescopic rod passes through the top of the limiting seat and is connected with the flexible pressure plate.

[0009] Preferably, the feeding assembly includes a feeding barrel, a transmission gear, a pulley mechanism and a feeding motor, and four feeding barrels are arranged in groups of two. The two feeding barrels in the same group are connected by a pulley mechanism, and the two feeding barrels in different groups are connected by a transmission gear. A feeding motor is installed at the bottom of the loading table below one of the feeding barrels, and the output end of the feeding motor is connected to the feeding barrel above it through a rotating shaft.

[0010] Preferably, a driving groove is opened on the top of the small toothed disc, and the driving groove is located in the radial direction of the large toothed disc, a servo motor is installed at one end of the driving groove close to the center of the large toothed disc, and a screw rod is installed at the output end of the servo motor through a rotating shaft, a nut matching it is sleeved on the screw rod, and the top of the nut is fixedly connected to the limit seat.

[0011] Preferably, the main body of the special-shaped table is designed as a regular hexagon, and the six sides of the special-shaped table are arranged in a clockwise direction as a loading station, a stripping station, an inner cutting station, an assembly station, a pressing station and an unloading station. The loading station corresponds to the loading table, and the side walls of the special-shaped table at the stripping station, the inner cutting station and the pressing station all extend outward to form a supporting platform, and the external stripping machine, the inner cutting machine and the pressing machine are placed on the top of the supporting platform at the stripping station, the inner cutting station and the pressing station.

[0012] Preferably, a second drive motor is installed at the unloading station on the top of the special-shaped table, and a second drive gear meshing with a small toothed disc is installed at the top output end of the second drive motor through a rotating shaft, and a first drive motor is installed at the bottom of the special-shaped table near the loading station, and a first drive gear meshing with a large toothed disc is installed on the special-shaped table above the first drive motor, and the output end of the first drive motor passes through the special-shaped table and is connected to the first drive gear.

[0013] Preferably, the top diameter of the limiting center column is larger than the inner diameter of the large toothed disc, and the bottom diameter of the limiting center column matches the inner diameter of the large toothed disc, and the limiting center column is threadedly connected to the touch sensor.

[0014] Preferably, the inner diameter of the through groove matches the outer diameter of the hose to be assembled, and the direction of the through groove is consistent with the radial direction of the large toothed disc.

[0015] Preferably, the cutting assembly includes a hydraulic lifting rod, a top plate, a disc cutting knife, a movable sleeve, a limiting guide sleeve, a pillar and a mounting plate, and the mounting plate is fixed to the loading table by bolts, pillars are installed on both sides of the top of the mounting plate, and a top plate is arranged on the top of the pillar, a hydraulic lifting rod is arranged at the middle position of the top of the top plate, and the bottom output end of the hydraulic lifting rod passes through the top plate and is connected with the disc cutting knife, movable sleeves are fixed on both sides of the disc cutting knife, and the movable sleeves are arranged on the pillars, a limiting guide sleeve is fixed at the central position of the top of the mounting plate, and the inner diameter of the limiting guide sleeve is consistent with the outer diameter of the hose to be cut, the limiting guide sleeve is a segmented design, and the disc cutting knife is arranged directly above the segmented gap of the limiting guide sleeve.

[0016] Technical effects and advantages of the utility model:

[0017] 1. Compared with the prior art, the high-pressure pipe assembly structure that is easy to disassemble and assemble is provided with a feeding assembly. The two groups of feeding barrels of the feeding assembly can clamp the hose with feeding materials and rotate relative to each other to automatically feed the hose. After the end of the hose contacts the touch sensor, the disc cutter can cut it to make the hose of appropriate length. Then the large toothed disc rotates to drive the hose to be assembled to transfer between the loading station, the stripping station, the internal cutting station, the assembly station, the pressing station and the unloading station, thereby realizing automatic external stripping, internal processing and overall pressing operations. The degree of automation is higher. Only one worker needs to sit at the assembly station to assemble the joint core and the buckle-type joint, so as to realize the assembly line effect and the production efficiency is higher.

[0018] 2. Compared with the prior art, the high-pressure pipe assembly structure that is easy to disassemble and assemble is provided with a rotatable small toothed disc and a movable limit seat. For high-pressure pipes that need to be connected with crimping joints at both ends, the second driving gear rotates when the hose passes through the unloading station for the first time, causing the small toothed disc to rotate 180°, which is convenient for processing and assembly of the other end of the hose. The movement of the limit seat can drive the hose to move in the radial direction of the large toothed disc, which is convenient for sending the end of the hose into the external stripping machine, the internal cutting machine and the pressing machine for processing, and the design is more reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model.

[0020] Figure 2 It is a schematic diagram of the split structure of the utility model.

[0021] Figure 3 This is a schematic diagram of the structure of the cutting assembly of the utility model.

[0022] Figure 4 This is a schematic diagram of the small toothed disc structure of the utility model.

[0023] Figure 5 This is a schematic diagram of the structure of the feeding assembly of the utility model.

[0024] The accompanying drawings are marked as follows: 1. loading table; 2. feeding assembly; 201. feeding barrel; 202. transmission gear; 203. pulley mechanism; 204. feeding motor; 3. hose roll; 4. first driving gear; 5. external stripping machine; 6. small toothed disc; 601. driving groove; 7. internal cutting machine; 8. special-shaped table; 801. ball bearing; 802. bearing platform; 9. large toothed disc; 10. pressing machine; 11. cutting assembly; 1101. hydraulic lifting rod; 1102. top plate ; 1103, disc cutting knife; 1104, movable sleeve; 1105, limit guide sleeve; 1106, pillar; 1107, mounting plate; 12, touch sensor; 13, limit center column; 14, limit seat; 1401, through slot; 1402, nut; 15, second drive gear; 16, first drive motor; 17, second drive motor; 18, guide ring; 19, servo motor; 20, screw rod; 21, micro hydraulic telescopic rod; 22, flexible pressure plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1

[0027] As attached Figure 1 The high-pressure pipe assembly structure shown is easy to disassemble and assemble, comprising a loading table 1, one end of which is spliced ​​with a special-shaped table 8, and a hose roll 3 is rotatably installed at the end of the top of the loading table 1 away from the special-shaped table 8, a cutting component 11 is installed at the end of the top of the loading table 1 close to the special-shaped table 8, and a feeding component 2 is installed on the loading table 1 between the cutting component 11 and the hose roll 3, and a guide ring 18 is installed on the loading table 1 between the feeding component 2 and the hose roll 3;

[0028] A limit center column 13 is threadedly connected at the middle position of the top of the special-shaped table 8, and a touch sensor 12 is installed at the middle position of the top of the limit center column 13, a large toothed disc 9 is rotatably installed on the special-shaped table 8 at the outer periphery of the limit center column 13, and balls 801 are evenly embedded on the top of the special-shaped table 8 below the large toothed disc 9, a small toothed disc 6 is evenly rotatably installed at the edge position of the top of the large toothed disc 9, and a limit seat 14 is installed on the top of the small toothed disc 6, a through groove 1401 is opened in the limit seat 14, and a micro hydraulic telescopic rod 21 is fixed on the top of the limit seat 14, a flexible pressure plate 22 is arranged at the top inside the through groove 1401, and the output end of the micro hydraulic telescopic rod 21 passes through the top of the limit seat 14 and is connected with the flexible pressure plate 22.

[0029] Among them: the guide ring 18 can guide the hose delivered by the hose reel 3 so that it can be smoothly inserted between the feeding tubes 201 of the feeding component 2. The hose reel 3 is designed to be rotatable, which makes feeding smoother. The touch sensor 12 can locate the feeding position of the hose to make cutting more accurate. The position of the cutting component 11 can be adjusted to facilitate the control of the cutting length of the hose.

[0030] Embodiment 2

[0031] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 5 As shown, see the following description for details:

[0032] As a preferred embodiment, the feeding assembly 2 includes a feeding barrel 201, a transmission gear 202, a pulley mechanism 203 and a feeding motor 204, and four feeding barrels 201 are arranged in groups of two. The two feeding barrels 201 in the same group are connected to each other through the pulley mechanism 203, and the two feeding barrels 201 in different groups are connected to each other through the transmission gear 202. A feeding motor 204 is installed at the bottom of the loading table 1 below one of the feeding barrels 201, and the output end of the feeding motor 204 is connected to the feeding barrel 201 above it through a rotating shaft; further, the feeding motor 204 drives the feeding barrel 201 connected to it to rotate, and drives the other feeding barrel 201 in the same group to rotate synchronously through the pulley mechanism 203, and at the same time drives the feeding barrel 201 of the other group to rotate relatively through the gear transmission action of the transmission gear 202, so as to feed the rubber hose clamped between the feeding barrels 201, and the design is more reasonable.

[0033] As a preferred embodiment, a driving groove 601 is opened on the top of the small toothed disc 6, and the driving groove 601 is located in the radial direction of the large toothed disc 9. A servo motor 19 is installed at one end of the driving groove 601 close to the center of the large toothed disc 9, and a screw rod 20 is installed at the output end of the servo motor 19 through a rotating shaft. A nut 1402 matching the screw rod 20 is sleeved on the screw rod 20, and the top of the nut 1402 is fixedly connected to the limit seat 14; further, the servo motor 19 can drive the screw rod 20 to rotate when it is working, so that the nut 1402 moves left and right in the driving groove 601, driving the rubber hose to move in the radial direction of the large toothed disc 9, so that the end of the rubber hose is conveniently sent into the external stripping machine 5, the internal cutting machine 7 and the pressing machine 10 for processing, and the design is more reasonable.

[0034] As a preferred embodiment, the main body of the special-shaped table 8 is a regular hexagonal design, and the six sides of the special-shaped table 8 are arranged in a clockwise direction as a loading station, a stripping station, an inner cutting station, an assembly station, a pressing station and an unloading station. The loading station corresponds to the loading table 1, and the side walls of the special-shaped table 8 at the stripping station, the inner cutting station and the pressing station are extended outward to form a bearing platform 802, and the tops of the bearing platforms 802 at the stripping station, the inner cutting station and the pressing station are placed in sequence. There are an external glue stripping machine 5, an internal cutting machine 7 and a pressing machine 10; further, the large toothed disc 9 rotates, which can drive the rubber hose to be assembled to be transferred between the loading station, the glue stripping station, the internal cutting station, the assembly station, the pressing station and the unloading station, thereby realizing automatic external glue stripping, internal processing and overall pressing operations, with a higher degree of automation. Only one worker needs to sit at the assembly station to assemble the joint core and the crimping joint, so as to realize the assembly line effect and achieve higher production efficiency.

[0035] As a preferred embodiment, a second drive motor 17 is installed at the unloading station on the top of the special-shaped table 8, and a second drive gear 15 meshing with the small toothed disc 6 is installed at the top output end of the second drive motor 17 through a rotating shaft, and a first drive motor 16 is installed at the bottom of the special-shaped table 8 near the loading station, and a first drive gear 4 meshing with the large toothed disc 9 is installed on the special-shaped table 8 above the first drive motor 16, and the output end of the first drive motor 16 passes through the special-shaped table 8 and is connected to the first drive gear 4; further, the first drive motor 16 can drive the first drive gear 4 to rotate when it is working, so that the large toothed disc 9 makes an intermittent rotation of 60°, and the second drive motor 17 can drive the second drive gear 15 to rotate when it is working, so that the small toothed disc 6 makes a 180° rotation, which is convenient for processing and assembly of the other end of the hose.

[0036] As a preferred embodiment, the top diameter of the limiting middle column 13 is larger than the inner diameter of the large toothed disc 9, and the bottom diameter of the limiting middle column 13 matches the inner diameter of the large toothed disc 9, and the limiting middle column 13 and the touch sensor 12 are threadedly connected; furthermore, the bottoms match, and the larger top diameter design makes the large toothed disc 9 rotate more smoothly and not easy to fall off, and the threaded connection design makes the touch sensor 12 easy to disassemble and repair, and the design is more reasonable.

[0037] As a preferred embodiment, the inner diameter of the through groove 1401 matches the outer diameter of the hose to be assembled, and the direction of the through groove 1401 is consistent with the radial direction of the large toothed disc 9; further, the design of matching the outer diameter makes it difficult for the hose to be assembled to tilt or deviate after being inserted into the through groove 1401, thereby better fixing the hose.

[0038] As a preferred embodiment, the cutting assembly 11 includes a hydraulic lifting rod 1101, a top plate 1102, a disc cutter 1103, a movable sleeve 1104, a limiting guide sleeve 1105, a pillar 1106 and a mounting plate 1107, and the mounting plate 1107 is fixed to the loading table 1 by bolts, pillars 1106 are installed on both sides of the top of the mounting plate 1107, and a top plate 1102 is arranged on the top of the pillar 1106, a hydraulic lifting rod 1101 is arranged at the middle position of the top of the top plate 1102, and the bottom output end of the hydraulic lifting rod 1101 passes through the top plate 1102 and is connected to the disc cutter 1103, and movable sleeves are fixed on both sides of the disc cutter 1103. Sleeve 1104, and the movable sleeve 1104 is sleeved on the pillar 1106, a limiting guide sleeve 1105 is fixed at the central position of the top of the mounting plate 1107, and the inner diameter of the limiting guide sleeve 1105 coincides with the outer diameter of the hose to be cut, the limiting guide sleeve 1105 is a segmented design, and the disc cutting knife 1103 is arranged just above the segmented gap of the limiting guide sleeve 1105; further, when in use, the hose passes through the limiting guide sleeve 1105, and when the end of the hose contacts the touch sensor 12, the hydraulic lifting rod 1101 works to drive the disc cutting knife 1103 to move downward to cut the hose, and the cutting operation is automated, and the cutting and other steps can be carried out simultaneously, so the production efficiency is higher.

[0039] The working process of the utility model is as follows:

[0040] When in use, the rubber hose to be assembled is pulled out from the rubber hose reel 3, and passes through the guide ring 18, the feeding assembly 2, the limiting guide sleeve 1105 and the through slot 1401 in sequence. When in use, the feeding motor 204 drives the feeding barrel 201 connected thereto to rotate, and drives another feeding barrel 201 of the same group to rotate synchronously through the pulley mechanism 203. At the same time, the gear transmission action of the transmission gear 202 drives the feeding barrel 201 of the other group to rotate relatively, and the rubber hose clamped between the feeding barrels 201 is fed. When the end of the rubber hose contacts the touch sensor 12, the hydraulic lifting rod 1101 works to drive the disc cutting knife 1 103 moves down to cut the hose, and the first drive motor 16 can drive the first drive gear 4 to rotate, so that the large toothed disc 9 makes an intermittent rotation of 60°. The hose to be assembled is transferred between the loading station, the stripping station, the internal cutting station, the assembly station, the pressing station and the unloading station, and the loading, external stripping, internal processing, manual assembly, overall pressing and unloading operations are performed in sequence. For the high-pressure hose that needs to be connected with buckled joints at both ends, the second drive gear 15 rotates when the hose passes the unloading station for the first time, so that the small toothed disc 6 rotates 180°, which is convenient for processing and assembly of the other end of the hose.

[0041] Finally: The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A high-pressure pipe assembly structure that is easy to disassemble and assemble, comprising a loading table (1), characterized in that: One end of the loading table (1) is spliced ​​with a special-shaped table (8), and a hose roll (3) is rotatably installed at the end of the top of the loading table (1) away from the special-shaped table (8), a cutting component (11) is installed at the end of the top of the loading table (1) close to the special-shaped table (8), and a feeding component (2) is installed on the loading table (1) between the cutting component (11) and the hose roll (3), and a guide ring (18) is installed on the loading table (1) between the feeding component (2) and the hose roll (3); A limit center column (13) is threadedly connected at the middle position of the top of the special-shaped table (8), and a touch sensor (12) is installed at the middle position of the top of the limit center column (13). A large toothed disc (9) is rotatably installed on the special-shaped table (8) at the periphery of the limit center column (13), and balls (801) are evenly embedded on the top of the special-shaped table (8) below the large toothed disc (9). A small toothed disc (6) is evenly rotatably installed at the edge position of the top of the large toothed disc (9), and a limit seat (14) is installed on the top of the small toothed disc (6). A through groove (1401) is opened in the limit seat (14), and a micro hydraulic telescopic rod (21) is fixed on the top of the limit seat (14). A flexible pressing plate (22) is arranged at the top of the through groove (1401), and the output end of the micro hydraulic telescopic rod (21) passes through the top of the limit seat (14) and is connected to the flexible pressing plate (22).

2. The high-pressure pipe assembly structure that is easy to disassemble and assemble according to claim 1 is characterized in that: The feeding assembly (2) comprises a feeding barrel (201), a transmission gear (202), a pulley mechanism (203) and a feeding motor (204), and four feeding barrels (201) are arranged in groups of two, and the two feeding barrels (201) in the same group are connected to each other through the pulley mechanism (203), and the two feeding barrels (201) in different groups are connected to each other through the transmission gear (202), and a feeding motor (204) is installed at the bottom of the loading table (1) below one of the feeding barrels (201), and the output end of the feeding motor (204) is connected to the feeding barrel (201) above it through a rotating shaft.

3. The high-pressure pipe assembly structure that is easy to disassemble and assemble according to claim 1 is characterized in that: The top of each of the small toothed discs (6) is provided with a driving groove (601), and the driving groove (601) is located in the radial direction of the large toothed disc (9). A servo motor (19) is installed at one end of the driving groove (601) close to the center of the large toothed disc (9), and a screw rod (20) is installed at the output end of the servo motor (19) via a rotating shaft. A screw nut (1402) matching the screw rod (20) is sleeved on the screw rod (20), and the top of the screw nut (1402) is fixedly connected to the limit seat (14).

4. The high-pressure pipe assembly structure that is easy to disassemble and assemble according to claim 1 is characterized in that: The main body of the special-shaped table (8) is designed as a regular hexagon, and the six sides of the special-shaped table (8) are arranged in a clockwise direction as a loading station, a stripping station, an inner cutting station, an assembly station, a pressing station and an unloading station, the loading station corresponds to the loading table (1), and the side walls of the special-shaped table (8) at the stripping station, the inner cutting station and the pressing station are extended outward to form a supporting platform (802), and the top of the supporting platform (802) at the stripping station, the inner cutting station and the pressing station are sequentially placed with an external stripping machine (5), an internal cutting machine (7) and a pressing machine (10).

5. The high-pressure pipe assembly structure that is easy to disassemble and assemble according to claim 4 is characterized in that: A second drive motor (17) is installed at the unloading station on the top of the special-shaped table (8), and a second drive gear (15) meshing with a small toothed disc (6) is installed at the top output end of the second drive motor (17) through a rotating shaft. A first drive motor (16) is installed at the bottom of the special-shaped table (8) near the loading station, and a first drive gear (4) meshing with a large toothed disc (9) is installed on the special-shaped table (8) above the first drive motor (16). The output end of the first drive motor (16) passes through the special-shaped table (8) and is connected to the first drive gear (4).

6. The high-pressure pipe assembly structure that is easy to disassemble and assemble according to claim 1 is characterized in that: The top diameter of the limiting middle column (13) is larger than the inner diameter of the large toothed disc (9), and the bottom diameter of the limiting middle column (13) matches the inner diameter of the large toothed disc (9). The limiting middle column (13) and the touch sensor (12) are threadedly connected.

7. The high-pressure pipe assembly structure that is easy to disassemble and assemble according to claim 1 is characterized in that: The inner diameter of the through groove (1401) matches the outer diameter of the hose to be assembled, and the direction of the through groove (1401) is consistent with the radial direction of the large toothed disc (9).

8. The high-pressure pipe assembly structure that is easy to disassemble and assemble according to claim 1 is characterized in that: The cutting assembly (11) comprises a hydraulic lifting rod (1101), a top plate (1102), a disc cutting knife (1103), a movable sleeve (1104), a limiting guide sleeve (1105), a pillar (1106) and a mounting plate (1107), wherein the mounting plate (1107) is fixed to the loading table (1) by bolts, pillars (1106) are installed on both sides of the top of the mounting plate (1107), and a top plate (1102) is arranged on the top of the pillar (1106), a hydraulic lifting rod (1101) is arranged at the middle position of the top of the top plate (1102), and the hydraulic lifting rod (1101) The bottom output end of the mounting plate (1101) passes through the top plate (1102) and is connected to the disc cutter (1103). The disc cutter (1103) is fixed with movable sleeves (1104) on both sides, and the movable sleeves (1104) are sleeved on the pillars (1106). A limiting guide sleeve (1105) is fixed at the central position of the top of the mounting plate (1107), and the inner diameter of the limiting guide sleeve (1105) matches the outer diameter of the hose to be cut. The limiting guide sleeve (1105) is of segmented design, and the disc cutter (1103) is arranged directly above the segmented gap of the limiting guide sleeve (1105).

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