CN113152925B

CN113152925B - Working method of repairing device for PVC (polyvinyl chloride) wallboard impact pit

Info

Publication number: CN113152925B
Application number: CN202110454885.2A
Authority: CN
Inventors: 许惠良
Original assignee: Haining Oupai Industry And Trade Co ltd
Current assignee: Haining Oupai Industry And Trade Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-08-05
Anticipated expiration: 2041-04-26
Also published as: WO2022227259A1; CN113152925A

Abstract

The invention relates to the technical field of PVC (polyvinyl chloride) wallboards, and discloses a working method of a PVC wallboard impact pit hole repairing device. This PVC wallboard striking pothole patching device, it makes articulated connecting rod deformation to rotate through the rolling disc, the butt pole is then driven and is moved up automatically, make the burden inhale the bag and carry out the burden to the wall and inhale and fix equipment, open the back when the board of moulding plastics is automatic, flexible post is driven by the ratchet frame and moves down, then make the movable frame drive the lap joint board and stretch into inside the pothole, during the cooperation movable frame rotate and adjust under the effect of frame, the inner wall of pothole can be cleared up in the displacement from top to bottom on the flocking layer, thereby the effectual convenience that promotes equipment uses, the repair quality to the pothole has been promoted.

Description

Working method of repairing device for PVC (polyvinyl chloride) wallboard impact pit

Technical Field

The invention relates to the technical field of PVC (polyvinyl chloride) wallboards, in particular to a repairing device for a PVC wallboard impact pit.

Background

The PVC wallboard is one kind and regards as raw and other materials with the PVC material, and make the cubic wallboard of the novel wall decoration who forms through the surface pad pasting technology, present PVC wallboard can form the pothole because of receiving unexpected striking when using, and general PVC wallboard striking pothole patching device is in the use, be equipped with heavy base or bulky support and then can lead to using inconveniently because of needs, and need the manual work to clear up the pothole by oneself before the repair, but there is the problem that cleaning effect is not good, still there is a certain amount of dust and wallboard disintegrating slag in the pothole, this kind of condition directly pours into the patching material and can lead to its and the cohesiveness of pothole inner wall to receive the influence and make the quality of repairing not good.

Aiming at the defects of the prior art, the invention provides the PVC wallboard impact pothole repairing device which has the advantages of effectively improving the convenience of equipment use and effectively improving the repairing quality of potholes, and solves the problems that the equipment is not convenient to use and the repairing quality of potholes is poor in the using process of a common PVC wallboard impact pothole repairing device.

Disclosure of Invention

In order to effectively improve the convenience of equipment use and effectively improve the quality of pit hole repairing, the invention provides the following technical scheme: the utility model provides a PVC wallboard striking pothole patching device, includes positioning mechanism, positioning mechanism includes that the burden inhales the bag, the atmospheric pressure groove has been seted up to the upside that the bag was inhaled to the lateral wall burden of casing, the inner chamber fixedly connected with elasticity arc board in atmospheric pressure groove, the inner chamber bottom sliding connection of casing has the regulation frame, the peripheral fixedly connected with burden suction hood of the inner chamber regulation frame of casing, the lower extreme of regulation frame rotates and is connected with the movable frame, the periphery evenly connected with telescopic link of movable frame, the one end fixedly connected with overlap joint board of movable frame is kept away from to the telescopic link.

Preferably, still include elevating system, elevating system includes the rolling disc, the equal sliding connection in the left and right sides of rolling disc has elastic sliding block, the lower extreme sliding connection of rolling disc has the L type guide frame of symmetry, the inner chamber sliding connection of L type guide frame has the guide block, swing joint has the articulated connecting rod that extends to on the rolling disc between guide block and the elastic sliding block, the flexible post of lower extreme middle part fixedly connected with of rolling disc, the annular has been seted up to the lower part periphery of flexible post.

Preferably, the positioning mechanism further comprises an injection molding plate, the upper end of the inner cavity injection molding plate of the shell is movably connected with a butt rod, the upper end of the butt rod is fixedly connected with a sliding ring, and a support rod is movably connected between the butt rod and the elastic arc plate.

Preferably, rotate between slip ring and the L type guide frame and be connected to do not influence the slip ring when making L type guide frame rotate and reciprocate along vertical direction, the wedge groove that corresponds with the butt rod is seted up to the upper wall of the board of moulding plastics, and elastic connection between the board of moulding plastics and the casing, and the board of moulding plastics converts elasticity into the pulling force to store under the initial condition, and the groove of moulding plastics has been seted up to the inner chamber of the board of moulding plastics in addition, and the port in the groove of moulding plastics is in the lower extreme of the board of moulding plastics.

Preferably, clearance mechanism still includes the ratchet frame, the inner chamber middle part of casing rotates and is connected with the rotating gear who extends to on the ratchet frame, the inner chamber middle part sliding connection of casing has the joint strip that extends to rotating gear on the surface, swing joint has the regulation pole between joint strip and the butt pole.

Preferably, the inner wall fixedly connected with of adjusting frame extends to the guide pillar in the annular to when making the annular continuously rotate, reciprocating motion about the adjusting frame can be driven, the peripheral swing joint of overlap joint board has the flocking layer, and the scalable its surface of flocking layer has wear-resisting characteristic, the inner wall fixedly connected with of ratchet frame extends to the arch on the flexible post periphery, and the periphery of flexible post has seted up corresponding spacing groove, swing joint has the torsional spring subassembly between the spacer pin of the fixed surface connection of running gear and joint strip adaptation and the inner wall of running gear and casing, and the torsional spring subassembly is compressed under the initial condition, and the joint strip carries on spacingly to the running gear.

Preferably, the cleaning device further comprises a shell, the top of the inner cavity of the shell is rotatably connected with a lifting mechanism, the left side and the right side of the lower end of the shell are respectively movably connected with a positioning mechanism, and the bottom of the inner cavity of the shell is movably connected with a cleaning mechanism.

Advantageous effects

Compared with the prior art, the invention provides a PVC wallboard impact pit hole repairing device which has the following beneficial effects:

1. this PVC wallboard striking pothole patching device, it is rotatory with certain rotational speed to drive the rolling disc through driving outward, make the elastic sliding block of both sides remove dorsad under the inertial action, and drive the deformation of articulated connecting rod, make L type guide frame move up, the slip ring that corresponds is carried and is drawn the butt rod and is shifted up, the elasticity arc board then deforms under the pulling of branch, then make the volume increase of atmospheric pressure groove, the burden is inhaled the bag and is carried out the burden to the wallboard surface and inhale, the equipment is whole to paste tight wall promptly automatically, thereby the effectual convenience that has promoted the equipment use.

2. The PVC wallboard striking pothole repairing device has the advantages that during the upward movement of the abutting rod, the adjusting rod pulls the clamping strip to remove the limitation on the rotating gear, the rotating gear is driven to deflect under the action of the torsion spring assembly, the ratchet frame is meshed to move downwards to drive the telescopic column to extend, the injection molding plate moves towards two sides under the separation of the abutting rod in advance, the telescopic column can drive the movable frame to partially extend into the deepest part of the pothole, and the telescopic column continuously rotates along with the rotating disc, so the movable frame can drive the lap plate to synchronously rotate, the telescopic rod extends under inertia, the inner wall of the pothole is cleaned by matching with the expansion of the flocking layer, during the period, the flocking layer can perform reciprocating movement cleaning on different areas of the pothole, the cleaning is comprehensive, residues on the loose and debonded inner wall of the pothole can be completely removed, and the negative suction hood is matched for suction treatment, thereby effectively improving the repairing quality of the pot holes.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a front sectional view of a coupling portion of a rotary disk or the like according to the present invention;

FIG. 3 is a front sectional view of a connecting portion of a pneumatic groove and the like according to the present invention;

FIG. 4 is a front sectional view of a connecting portion of an adjusting frame and the like according to the present invention;

fig. 5 is a top sectional view of a connecting portion such as a movable frame according to the present invention.

In the figure: 1. a housing; 2. a lifting mechanism; 21. rotating the disc; 22. an elastic slider; 23. an L-shaped guide frame; 24. a guide block; 25. a hinged connecting rod; 26. a telescopic column; 27. a ring groove; 3. a positioning mechanism; 31. injection molding a plate; 32. a butting rod; 33. a slip ring; 34. a negative suction bag; 35. an air pressure tank; 36. an elastic arc plate; 37. a strut; 4. a cleaning mechanism; 41. an adjusting frame; 42. a negative suction hood; 43. a movable frame; 44. a telescopic rod; 45. a lap plate; 46. a ratchet frame; 47. a rotating gear; 48. a clamping strip; 49. and adjusting the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-3, a PVC wall board impact pothole repairing device comprises a positioning mechanism 3, the positioning mechanism 3 comprises a negative suction bag 34, an air pressure groove 35 is formed on the upper side of the side wall negative suction bag 34 of a casing 1, an elastic arc plate 36 is fixedly connected to the inner cavity of the air pressure groove 35, the positioning mechanism 3 further comprises an injection molding plate 31, a wedge-shaped groove corresponding to an abutting rod 32 is formed on the upper wall of the injection molding plate 31, the injection molding plate 31 is elastically connected with the casing 1, the injection molding plate 31 converts the elastic force into a tensile force for storage in an initial state, an injection molding groove is formed in the inner cavity of the injection molding plate 31, the port of the injection molding groove is located at the lower end of the injection molding plate 31, an abutting rod 32 is movably connected to the upper end of the inner cavity injection molding plate 31 of the casing 1, a sliding ring 33 is fixedly connected to the upper end of the abutting rod 32, the sliding ring 33 is rotatably connected with an L-shaped guide frame 23, so that the sliding ring 33 does not affect the vertical movement of the L-shaped guide frame 23 when rotating, swing joint has branch 37 between butt pole 32 and the elasticity arc 36, elevating system 2 includes rolling disc 21, the equal sliding connection in both sides has elastic sliding block 22 in rolling disc 21's the left and right sides, the lower extreme sliding connection of rolling disc 21 has the L type guide frame 23 of symmetry, the inner chamber sliding connection of L type guide frame 23 has guide block 24, swing joint has articulated connecting rod 25 that extends to on rolling disc 21 between guide block 24 and the elastic sliding block 22, the flexible post 26 of lower extreme middle part fixedly connected with of rolling disc 21, annular 27 has been seted up to the lower part periphery of flexible post 26, make articulated connecting rod 25 deformation through the rolling disc 21 rotation, butt pole 32 is then driven automatic to shift up, and cooperate branch 37 pulling elasticity arc 36 deformation, make the burden of inhaling bag 34 to the wall to carry out the burden and inhale and advance and make equipment whole fixed at the wall convenient.

Example two:

referring to fig. 1, 2, 4 and 5, a PVC wallboard impact pothole repair device comprises a cleaning mechanism 4, an adjusting frame 41 is slidably connected to the bottom of an inner cavity of a casing 1, a guide post extending into a ring groove 27 is fixedly connected to the inner wall of the adjusting frame 41, so that when the ring groove 27 continuously rotates, the adjusting frame 41 can be driven to reciprocate up and down, a negative suction cover 42 is fixedly connected to the periphery of the adjusting frame 41 of the inner cavity of the casing 1, a movable frame 43 is rotatably connected to the lower end of the adjusting frame 41, a telescopic rod 44 is uniformly connected to the periphery of the movable frame 43, a lap plate 45 is fixedly connected to one end of the telescopic rod 44 far away from the movable frame 43, a flocking layer is movably connected to the periphery of the lap plate 45, the surface of the flocking layer is telescopic, the surface of the flocking layer has wear-resistant characteristics, the cleaning mechanism 4 further comprises a ratchet frame 46, ratchets are fixedly connected to the inner wall of the ratchet frame 46, and extend to a bulge on the periphery of the telescopic post 26, and the periphery of the telescopic column 26 is provided with a corresponding limit groove, the middle part of the inner cavity of the shell 1 is rotatably connected with a rotating gear 47 extending to the ratchet frame 46, the surface of the rotating gear 47 is fixedly connected with a limit pin matched with the clamping strip 48, and a torsional spring assembly is movably connected between the rotating gear 47 and the inner wall of the shell 1, the torsional spring assembly is compressed in the initial state, the clamping strip 48 limits the rotating gear 47, the middle part of the inner cavity of the shell 1 is slidably connected with the clamping strip 48 extending to the surface of the rotating gear 47, an adjusting rod 49 is movably connected between the clamping strip 48 and the abutting rod 32, after the ratchet is automatically opened through the injection molding plate 31, the telescopic column 26 is driven by the downwards moving ratchet frame 46 to move downwards, so that the movable frame 43 drives the lapping plate 45 to extend into the pit, the movable frame 43 is matched with the telescopic column 26 to rotate in the period, and the telescopic rod 44 extends downwards under the inertia to enable the flocking layer to expand and contact with the inner wall of the pit, and under the action of the adjusting frame 41, the flocking layer can move up and down to completely clean the inner wall of the pit.

Example three:

referring to fig. 1-5, a PVC wallboard impact pothole repair device further comprises a casing 1, the top of the inner cavity of the casing 1 is rotatably connected with a lifting mechanism 2, the lifting mechanism 2 comprises a rotating disc 21, the left side and the right side of the rotating disc 21 are both slidably connected with elastic sliding blocks 22, the lower end of the rotating disc 21 is slidably connected with symmetrical L-shaped guide frames 23, the inner cavity of the L-shaped guide frame 23 is slidably connected with a guide block 24, a hinged connecting rod 25 extending to the rotating disc 21 is movably connected between the guide block 24 and the elastic sliding blocks 22, a telescopic column 26 is fixedly connected to the middle of the lower end of the rotating disc 21, and a ring groove 27 is formed in the periphery of the lower part of the telescopic column 26.

The left side and the right side of the lower end of the shell 1 are movably connected with a positioning mechanism 3, the positioning mechanism 3 comprises a negative suction bag 34, the upper side of the side wall negative suction bag 34 of the shell 1 is provided with an air pressure groove 35, the inner cavity of the air pressure groove 35 is fixedly connected with an elastic arc plate 36, the positioning mechanism 3 also comprises an injection molding plate 31, the upper wall of the injection molding plate 31 is provided with a wedge-shaped groove corresponding to the butt rod 32, the injection molding plate 31 is elastically connected with the shell 1, the injection molding plate 31 converts the elastic force into the tensile force for storage in the initial state, the inner cavity of the injection molding plate 31 is provided with the injection molding groove, the port of the injection molding groove is positioned at the lower end of the injection molding plate 31, the upper end of the inner cavity injection molding plate 31 of the shell 1 is movably connected with a butt rod 32, the upper end of the butt rod 32 is fixedly connected with a sliding ring 33, the sliding ring 33 is rotatably connected with the L-shaped guide frame 23, so that the sliding ring 33 does not influence the vertical up-down movement when the L-shaped guide frame 23 rotates, swing joint has branch 37 between pole 32 and the elasticity arc 36 to reach, it is rotatory with certain rotational speed to drive rolling disc 21 through the external drive, make the elastic sliding block 22 of both sides remove dorsad under the inertial action, and drive articulated connecting rod 25 deformation, make L type guide frame 23 move up, the corresponding slip ring 33 is carried and is drawn butt pole 32 and move up, elasticity arc 36 then deforms under branch 37's pulling, then make the volume increase of atmospheric pressure groove 35, the bag 34 is inhaled to the negative side to the wallboard surface and carry out the negative suction, the whole tight wall of automatic subsides promptly of equipment, thereby the effectual convenience that has promoted equipment use.

The bottom of the inner cavity of the shell 1 is movably connected with a cleaning mechanism 4, the cleaning mechanism 4 comprises an adjusting frame 41, the periphery of the inner cavity adjusting frame 41 of the shell 1 is fixedly connected with a negative suction cover 42, the lower end of the adjusting frame 41 is rotatably connected with a movable frame 43, the periphery of the movable frame 43 is uniformly connected with telescopic rods 44, one end of each telescopic rod 44, which is far away from the movable frame 43, is fixedly connected with a lapping plate 45, the periphery of the lapping plate 45 is movably connected with a flocking layer, the surface of the flocking layer is telescopic and has wear-resistant characteristics, the cleaning mechanism 4 further comprises a ratchet frame 46, the inner wall of the ratchet frame 46 is fixedly connected with a bulge extending to the periphery of the telescopic column 26, the periphery of the telescopic column 26 is provided with a corresponding limiting groove, the middle part of the inner cavity of the shell 1 is rotatably connected with a rotating gear 47 extending to the ratchet frame 46, the surface of the rotating gear 47 is fixedly connected with a limiting pin matched with a clamping strip 48, and a torsional spring assembly is movably connected between the rotating gear 47 and the inner wall of the shell 1, the torsion spring component is compressed in the initial state, the clamping strip 48 limits the rotating gear 47, the clamping strip 48 extending to the surface of the rotating gear 47 is connected in the middle of the inner cavity of the shell 1 in a sliding mode, the adjusting rod 49 is movably connected between the clamping strip 48 and the abutting rod 32, during the upward movement of the abutting rod 32, the adjusting rod 49 pulls the clamping strip 48 to remove the limitation on the rotating gear 47, the rotating gear 47 is driven to deflect under the action of the torsion spring component, the ratchet frame 46 is meshed to move downwards to drive the telescopic column 26 to extend, the injection molding plate 31 moves towards two sides under the separation of the abutting rod 32 in advance, the telescopic column 26 can drive the movable frame 43 to partially extend into the deepest part of the pit, and the telescopic column 26 continuously rotates along with the rotating disc 21, so that the movable frame 43 can drive the overlapping plate 45 to synchronously rotate, the telescopic rod 44 extends under the inertia and cooperates with the flocking layer to expand and clean the inner wall of the pit, during this, because the up-and-down reciprocating motion of adjusting frame 41, the flocking layer can carry out reciprocating motion clearance to the different regions of pothole then for the clearance is comparatively comprehensive, and the scarfing cinder that the hole inner wall is loose takes off the viscidity can be got rid of completely, and cooperates negative suction hood 42 to be carried out suction treatment, thereby effectual having promoted the repair quality to the pothole.

The working principle is as follows: the PVC wallboard impact pothole repairing device enables the center parts of two injection molding plates 31 to be aligned with the center of a pothole by abutting one side of a negative suction bag 34 on the wall surface, namely, the rotating disc 21 can be driven to rotate at a certain rotating speed by utilizing external drive, elastic sliding blocks 22 on two sides move back to back under the action of inertia and drive a hinged connecting rod 25 to deform, so that an L-shaped guide frame 23 moves upwards, a corresponding sliding ring 33 pulls an abutting rod 32 to move upwards, an elastic arc plate 36 deforms under the pulling of a supporting rod 37, so that the volume of an air pressure groove 35 is increased, in order to maintain air pressure balance, the negative suction bag 34 carries out negative suction on the surface of the wallboard, the whole equipment is automatically adhered to the wall surface, the design greatly reduces the space occupation ratio in use because the whole equipment does not need to be matched with a corresponding supporting mechanism, thereby effectively improving the convenience of the use of the equipment, in addition, during the upward movement of the connecting rod 32, the adjusting rod 49 pulls the clamping strip 48 to separate from the limit pin, the rotating gear 47 is driven to deflect under the action of the torsional spring assembly, so that the ratchet frame 46 is meshed to move downwards to drive the telescopic column 26 to extend, the injection molding plate 31 automatically converts the self-pulling force to the elastic force and then automatically moves towards two sides under the separation of the abutting rod 32 in advance, the telescopic column 26 can drive the movable frame 43 to partially extend into the deepest part of the pit, and the movable frame 43 can drive the lap plate 45 to synchronously rotate and enable the telescopic rod 44 to extend under inertia and cooperate with the flocking layer to expand to clean the inner wall of the pit, and during the period, the adjusting frame 41 moves up and down in a reciprocating manner, the flocking layer can further carry out reciprocating cleaning on different areas of the pit, so that the cleaning is comprehensive, the residues which are loosely and debonded on the inner wall of the pit can be completely removed, and are sucked and processed by cooperating with the negative suction hood 42, thereby effectual promotion is to the repair quality of pot hole, after the complete clean up pot hole, can control the rotational speed of rolling disc 21 and reduce, make the negative suction of negative suction bag 34 reduce but the whole still can be fixed on the wall of equipment, synchronous cooperation makes the rolling gear 47 spacing again to the flexible post 26 of upward pull-up, two automatic butt of injection molding plate 31 of deuterogamying reset, can repair in pouring into repair material to the pot hole through the corresponding mechanism of pouring into of outside to injection molding plate 31's the groove of moulding plastics.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A working method of a PVC wallboard impact pothole repairing device comprises a shell (1), wherein the left side and the right side of the lower end of the shell (1) are movably connected with positioning mechanisms (3), the bottom of an inner cavity of the shell (1) is movably connected with a cleaning mechanism (4), each positioning mechanism (3) comprises a negative suction bag (34), an air pressure groove (35) is formed in the upper side of the side wall negative suction bag (34) of the shell (1), an elastic arc plate (36) is fixedly connected with the inner cavity of the air pressure groove (35), an adjusting frame (41) is slidably connected to the bottom of the inner cavity of the shell (1), a negative suction cover (42) is fixedly connected to the periphery of the inner cavity adjusting frame (41) of the shell (1), a movable frame (43) is rotatably connected to the lower end of the adjusting frame (41), and telescopic rods (44) are uniformly connected to the periphery of the movable frame (43), one end of the telescopic rod (44) far away from the movable frame (43) is fixedly connected with a lap joint plate (45);

the top of the inner cavity of the shell (1) is rotatably connected with a lifting mechanism (2), the lifting mechanism (2) comprises a rotating disc (21), the left side and the right side of the rotating disc (21) are both connected with elastic sliding blocks (22) in a sliding mode, the lower end of the rotating disc (21) is connected with symmetrical L-shaped guide frames (23) in a sliding mode, the inner cavity of each L-shaped guide frame (23) is connected with a guide block (24) in a sliding mode, a hinged connecting rod (25) extending to the rotating disc (21) is movably connected between each guide block (24) and each elastic sliding block (22), the middle of the lower end of the rotating disc (21) is fixedly connected with a telescopic column (26), and the lower portion of each telescopic column (26) is provided with a peripheral annular groove (27);

the positioning mechanism (3) further comprises an injection molding plate (31), the upper end of the inner cavity injection molding plate (31) of the shell (1) is movably connected with a butting rod (32), the upper end of the butting rod (32) is fixedly connected with a sliding ring (33), and a support rod (37) is movably connected between the butting rod (32) and the elastic arc plate (36); the sliding ring (33) is rotatably connected with the L-shaped guide frame (23), and a wedge-shaped groove corresponding to the abutting rod (32) is formed in the upper wall of the injection molding plate (31); the cleaning mechanism (4) further comprises a ratchet frame (46), the middle part of an inner cavity of the shell (1) is rotatably connected with a rotating gear (47) extending to the ratchet frame (46), the middle part of the inner cavity of the shell (1) is slidably connected with a clamping strip (48) extending to the surface of the rotating gear (47), and an adjusting rod (49) is movably connected between the clamping strip (48) and the abutting rod (32); the inner wall of the adjusting frame (41) is fixedly connected with a guide post extending into the annular groove (27), the periphery of the lap joint plate (45) is movably connected with a flocking layer, the inner wall of the ratchet frame (46) is fixedly connected with a bulge extending onto the periphery of the telescopic column (26), the surface of the rotating gear (47) is fixedly connected with a limiting pin matched with the clamping strip (48), and a torsion spring assembly is movably connected between the rotating gear (47) and the inner wall of the shell (1); b, carrying out the following steps of;

the method is characterized in that:

the PVC wallboard strikes the pothole repairing device, one side of the negative suction bag abuts against the wall surface, so that the center parts of the two injection molding plates are aligned with the center of the pothole, namely, the rotating disc can be driven to rotate at a certain rotating speed by utilizing external drive, the elastic sliding blocks on the two sides move back to back under the action of inertia and drive the hinged connecting rod to deform, the L-shaped guide frame moves upwards, the corresponding sliding ring pulls the abutting rod to move upwards, the elastic arc plate deforms under the pulling of the supporting rod, the volume of the air pressure groove is increased, in order to maintain air pressure balance, the negative suction bag carries out negative suction on the surface of the wallboard, the PVC wallboard strikes the pothole repairing device, namely, the PVC wallboard strikes the pothole repairing device and automatically clings to the wall surface, in addition, the adjusting rod pulls the clamping strip to be separated from the limiting pin during the upwards moving of the abutting rod, the rotating gear is driven to deflect under the action of the torsion spring assembly, and the ratchet frame is meshed and moves downwards to drive the telescopic column to extend, because the injection molding plate automatically converts the self tension to the elastic force and then automatically moves to two sides under the separation of the abutting rod in advance, the telescopic column can drive the movable frame part to extend into the deepest part of the pit, and the telescopic column continuously rotates along with the rotating disc, so the movable frame can drive the overlapping plate to synchronously rotate, the telescopic rod extends under inertia, and the telescopic rod is matched with the flocking layer to expand and clean the inner wall of the pit, during the process, the flocking layer can carry out reciprocating movement and cleaning on different areas of the pit due to the vertical reciprocating movement of the adjusting frame, so that the cleaning is comprehensive, residues loosely and detackified on the inner wall of the pit can be completely removed, and the residues are matched with the negative suction hood to be sucked, thereby effectively improving the repairing quality of the pit, after the pit is completely cleaned, the rotating speed of the rotating disc can be controlled to be reduced, the negative suction force of the negative suction bag is reduced, but the whole equipment can still be fixed on the wall surface, synchronous cooperation is carried flexible post upwards to draw and is made the rotating gear spacing again, and two automatic butt of injection moulding plate of deuterogamying reset, can repair in pouring into the groove of moulding plastics of injection moulding plate and filling material to the pot hole through outside corresponding filling mechanism promptly.