Crack repairing device with guiding and positioning structure

The crack repair device with a guide and positioning structure solves the problems of inconvenient movement of the material delivery pipe and dust impact in the repair of cracks in ancient buildings, and achieves efficient and stable repair results.

CN121853808APending Publication Date: 2026-04-14厦门工学院
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-06-19
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

In the process of repairing cracks in ancient buildings, the material delivery pipes need to move along the non-vertical cracks, which is time-consuming, labor-intensive and easily damaged. At the same time, the dust in the cracks affects the mortar repair effect, and additional smoothing is required after filling, which is inefficient.

Method used

A crack repair device with a guide and positioning structure was designed, comprising a guide mechanism, a dust removal mechanism, and a smoothing mechanism. The guide mechanism guides and positions the nozzle, the dust removal mechanism removes dust, the smoothing mechanism smooths the surface, and the base is moved by a traction mechanism to repair the next crack.

Benefits of technology

It enables stable movement of the nozzle in curved cracks, avoids pipe damage, improves repair efficiency, and removes dust before filling to ensure the mortar is firm, saving time and effort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a crack repairing device with a guiding and positioning structure, and relates to the technical field of ancient building repairing. Universal wheels are rotationally connected to the four corners of the bottom of a base; a storage battery is fixed on the upper surface of the base; the guide mechanism is arranged on the base; the dust removal mechanism is arranged on the guide mechanism; the trowelling mechanism is arranged on the guide mechanism; the traction mechanism is arranged on the base; the device can play a role in guiding movement of the spray head in a bent crack, manual adjustment is not needed, damage to a feeding pipeline is avoided, and the repairing efficiency is improved; dust is removed before mortar filling, the situation that mortar is not firm is avoided, screeding is conducted in time after filling is completed, and time and labor are saved.
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Description

Technical Field

[0001] This invention relates to the field of ancient building restoration technology, specifically to a crack repair device with a guiding and positioning structure. Background Technology

[0002] When repairing cracks in ancient buildings, mortar is generally used to fill and smooth the cracks. However, when using pipes to deliver the material, since most cracks are not vertical, the pipes need to be moved along with the cracks, which is time-consuming and laborious. If the movement is inaccurate, the pipes are easily damaged. Furthermore, the accumulated dust inside the cracks affects the repair effect of the mortar. After filling, smoothing is also required. Therefore, a crack repair device with a guiding and positioning structure is proposed. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings and deficiencies of existing technologies by proposing a crack repair device with a guiding and positioning structure. This device can guide the movement of the nozzle in curved cracks without manual adjustment, thus avoiding damage to the feeding pipe and improving repair efficiency. Before filling with mortar, dust is removed to prevent the mortar from becoming unstable. After filling, the surface is smoothed in a timely manner, saving time and effort.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: it includes a base, casters, and a battery; casters are screwed onto the four corners of the bottom of the base; and a battery is fixed to the upper surface of the base.

[0005] Its characteristic is that it further comprises:

[0006] A guiding mechanism, wherein the guiding mechanism is mounted on the base;

[0007] A dust removal mechanism, wherein the dust removal mechanism is mounted on a guide mechanism;

[0008] A smoothing mechanism, wherein the smoothing mechanism is mounted on the guiding mechanism;

[0009] A traction mechanism, wherein the traction mechanism is mounted on a base;

[0010] Through the above technical solution design, mortar required for repairing cracks is added into the guiding mechanism, the dust removal mechanism first removes dust from the crack, the guiding mechanism guides and positions the crack for repair, and the smoothing mechanism smooths the repaired crack, so that the wall surface of the ancient building is intact. After repairing one crack, the traction mechanism moves the base to repair the next crack.

[0011] Preferably, the guiding mechanism comprises:

[0012] A mortar tank is fixed to the left side of the upper surface of the base; a cover is provided above the mortar tank, and a feed hopper is connected through the left side of the upper surface of the cover;

[0013] A mortar pump is fixed on the right side of the upper surface of the cover. The mortar pump is connected to a storage battery. The feed end of the mortar pump is connected to a feed pipe, and the discharge end of the mortar pump is connected to a No. 1 flexible hose.

[0014] A No. 1 connecting plate is located on the upper right side of the base. An internally threaded pipe is fixed to the front side of the left side wall of the No. 1 connecting plate, and a sleeve is fixed to the rear side of the left side wall of the No. 1 connecting plate. A screw is inserted into the internally threaded pipe by thread, and the lower end of the screw is connected to the output shaft of the motor. The motor is fixed on the base and connected to the battery. A No. 1 limiting rod is movably inserted into the sleeve. The lower end of the No. 1 limiting rod is fixed to the base, and a No. 2 connecting plate is fixed to the upper end of the No. 1 limiting rod. The upper end of the screw is screwed onto the No. 2 connecting plate by bearing. The dust removal mechanism is connected to the right side wall of the No. 1 connecting plate, and the smoothing mechanism is connected to the lower surface of the No. 1 connecting plate.

[0015] The first chute is located at the lower end of the dust removal mechanism. A first slider is slidably installed inside the first chute. A first installation pipe is fixed on the right side wall of the first slider. A first flexible hose is connected to the first installation pipe. A first spray pipe is threaded to the right end of the first installation pipe. A second spray pipe is connected to the right end of the first spray pipe through a telescopic mechanism. A nozzle is connected to the right end of the second spray pipe.

[0016] Through the above technical solution design, mortar for application is added from the feed hopper to the mortar tank, pushing the base to the right so that the nozzle can be inserted into the crack. The dust removal mechanism removes dust from the crack, the telescopic mechanism adjusts the position of the nozzle in the crack, the mortar pump is started to draw mortar from the mortar tank and send it into the installation pipe through the No. 1 hose, and then spray it out through the No. 1 spray pipe, the telescopic mechanism, the No. 2 spray pipe and the nozzle. The motor is started to make the screw rotate. Under the action of the No. 1 limit rod and the sleeve, the No. 1 connecting plate is raised and lowered, thereby driving the nozzle to rise and fall. When it reaches the bend of the crack, the No. 1 slider slides to guide it, so that the nozzle can move in the crack and fully repair the crack.

[0017] Preferably, the telescopic mechanism comprises:

[0018] The telescopic tube is connected to nozzle number one and nozzle number two at its left and right ends, respectively.

[0019] The connecting rings are two in number, and are respectively screwed onto nozzle No. 1 and nozzle No. 2 via bearings;

[0020] Mounting plates, the number of which is four, and each is fixed to the upper and lower ring walls of the connecting ring respectively;

[0021] The second limiting rod, there are two of them, and they are fixed on the right side wall of the left mounting plate respectively;

[0022] There are two No. 1 limiting tubes, which are fixed on the left side wall of the right mounting plate respectively, and two No. 2 limiting rods are movably inserted into the No. 1 limiting tubes respectively.

[0023] There are two No. 1 springs, each sleeved on the No. 2 limiting rod. The left end of the No. 1 spring is fixed to the left side mounting plate, and the right end of the No. 1 spring is fixed to the No. 1 limiting tube.

[0024] Through the above technical solution design, when the nozzle touches the lens of the crack, the first limiting tube moves backward, causing internal pressure in the telescopic tube. When the nozzle reaches a deeper part of the crack, under the action of the first spring, the first limiting tube moves to the right, causing the telescopic tube to extend to the right, driving the nozzle to move to the end of the crack. When the nozzle reaches the bend of the crack, the connecting ring rotates appropriately to prevent the mounting plate from affecting the movement of the nozzle in the crack.

[0025] Preferably, the dust removal mechanism comprises:

[0026] An air pump, which is fixed on a connecting plate and connected to a storage battery, has a built-in dust filter and a removable dust box.

[0027] The second slide groove is fixed on the right side wall of the first connecting plate. The second slider is slidably locked in the second slide groove. Connecting rods are fixed at the front and back of the bottom of the second slide groove, and the bottom of the connecting rods is connected to the first slide groove.

[0028] The second mounting tube is connected to the right side wall of the second slider. The upper end of the second mounting tube is connected to the second flexible hose, and the other end of the second flexible hose is connected to the air inlet of the air pump.

[0029] The silicone tube is connected to the No. 2 installation tube by thread; the silicone tube has several ventilation holes on its annular wall;

[0030] With the above technical solution design, when the nozzle is inserted into the crack, the silicone tube is also inserted into the crack. The silicone tube is a relatively hard silicone structure. When the silicone tube touches the end of the crack, the silicone tube will undergo appropriate deformation, start the air pump, and allow the gas and dust in the crack to enter the No. 2 installation tube and No. 2 hose through the ventilation hole of the silicone tube, so that the dust can be removed. When the silicone tube reaches the bend of the crack, the No. 2 slider slides in the No. 2 groove, so that the silicone tube can move stably up and down at the bend of the crack.

[0031] Preferably, the smoothing mechanism comprises:

[0032] Connecting plate number four, which is fixed to the bottom of connecting plate number one;

[0033] There are two No. 3 limiting rods, which are fixed on the right side wall of the No. 4 connecting plate respectively.

[0034] The second limiting tube, there are two of them, and they are respectively movably sleeved on the third limiting rod;

[0035] Spring No. 2, there are two springs, and they are respectively sleeved on the No. 3 limiting rod. One end of the No. 2 spring is fixed to the No. 4 connecting plate, and the other end of the No. 2 spring is fixed to the No. 2 limiting tube.

[0036] The smearing plate is fixed to the right end of the second limiting tube;

[0037] Through the above technical solution design, when the nozzle is filling mortar, the trowel plate smooths the overflowing mortar on the wall surface under the action of the second spring, so that the crack repair is complete.

[0038] Preferably, the traction mechanism comprises:

[0039] The fixing plate is fixed to the front side wall of the base;

[0040] Guide wheels, wherein the guide wheels are located at the bottom of the fixed plate;

[0041] The engine is fixed on the upper surface of the fixed plate, connected to the guide wheel, and connected to the battery.

[0042] By designing the above technical solution, starting the engine allows the guide wheels to move the base with the help of the casters, thus controlling the direction of movement of the base.

[0043] Preferably, the push rod is fixed to the rear side of the upper surface of the base;

[0044] The above technical solution design makes it easy to move the base with the push rod.

[0045] Compared with the prior art, the beneficial effects of the present invention are:

[0046] 1. Equipped with a guiding mechanism, it can guide the movement of the nozzle in curved cracks without manual adjustment, avoiding damage to the feeding pipe and improving repair efficiency.

[0047] 2. Equipped with a dust removal mechanism and a smoothing mechanism, dust is removed before filling with mortar to prevent the mortar from becoming unstable. After filling, the mortar is smoothed in time, saving time and effort. Attached Figure Description

[0048] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0049] Figure 1 This is a schematic diagram of the structure of the present invention.

[0050] Figure 2 yes Figure 1 Southwest isopleths view.

[0051] Figure 3 yes Figure 1 Southeast isopleths view.

[0052] Figure 4 yes Figure 3 Enlarged view of part A in the image.

[0053] Figure 5 yes Figure 3 Enlarged view of part B in the image.

[0054] Explanation of reference numerals in the attached figures:

[0055] 1. Base; 2. Casters; 3. Battery; 4. Guide mechanism; 4-1. Mortar tank; 4-2. Cover; 4-3. Feed hopper; 4-4. Mortar pump; 4-5. Feed pipe; 4-6. No. 1 hose; 4-7. No. 1 connecting plate; 4-8. Internal threaded pipe; 4-9. Sleeve; 4-10. Screw; 4-11. Motor; 4-12. No. 1 limit rod; 4-13. No. 1 sliding groove; 4-14. No. 1 slider; 4-15. No. 1 mounting pipe; 4-16. No. 1 spray pipe; 4-17. Telescopic mechanism; 4-18. Telescopic pipe; 4-18-1. Connecting ring; 4-18-2. Mounting plate; 4-18-3. No. 2... Limiting rod 4-18-4, No. 1 limiting tube 4-18-5, No. 1 spring 4-18-6, No. 2 nozzle 4-19, nozzle 4-20, dust removal mechanism 5, air pump 5-1, No. 2 slide rail 5-2, connecting rod 5-3, No. 2 mounting tube 5-4, No. 2 slider 5-5, No. 2 hose 5-6, silicone tube 5-7, ventilation hole 5-7-1, smoothing mechanism 6, No. 4 connecting plate 6-1, No. 3 limiting rod 6-2, No. 2 limiting tube 6-3, No. 2 spring 6-4, smoothing plate 6-5, traction mechanism 7, fixing plate 7-1, guide wheel 7-2, engine 7-3, push rod 7-4. Detailed Implementation

[0056] The invention will now be further described with reference to the accompanying drawings.

[0057] Example 1:

[0058] Please see Figure 1-3 This embodiment 1 includes a base 1, casters 2 and a battery 3; casters 2 are screwed to the four corners of the bottom of the base 1; and a battery 3 is fixed to the upper surface of the base 1.

[0059] It also includes:

[0060] Guide mechanism 4, which is mounted on base 1;

[0061] Dust removal mechanism 5, wherein the dust removal mechanism 5 is mounted on the guide mechanism 4;

[0062] Smoothing mechanism 6, which is mounted on guide mechanism 4;

[0063] The traction mechanism 7 is mounted on the base 1.

[0064] In Example 1, mortar required for repairing cracks is added into the guide mechanism 4. The dust removal mechanism 5 first removes dust from the crack. The guide mechanism 4 is used to guide and position the crack for repair. The smoothing mechanism 6 smooths the repaired crack, making the wall surface of the ancient building intact. After repairing one crack, the traction mechanism 7 is used to move the base 1 to repair the next crack.

[0065] Example 2:

[0066] Please see Figure 1-3 Based on Embodiment 1, the guide mechanism 4 includes:

[0067] Mortar tank 4-1 is fixed on the left side of the upper surface of the base 1; a cover 4-2 is provided above the mortar tank 4-1, and a feed hopper 4-3 is connected through the left side of the upper surface of the cover 4-2.

[0068] The mortar pump 4-4 is fixed on the right side of the upper surface of the cover 4-2. The mortar pump 4-4 is connected to the storage battery 3. The inlet end of the mortar pump 4-4 is connected to the inlet pipe 4-5, and the outlet end of the mortar pump 4-4 is connected to the No. 1 hose 4-6. The specific model of the mortar pump 4-4 is purchased directly from the market and installed and used according to the actual use requirements.

[0069] A first connecting plate 4-7 is located on the upper right side of the base 1. An internally threaded pipe 4-8 is fixed to the front side of the left side wall of the first connecting plate 4-7, and a sleeve 4-9 is fixed to the rear side of the left side wall of the first connecting plate 4-7. A screw 4-10 is threadedly inserted into the internally threaded pipe 4-8. The lower end of the screw 4-10 is connected to the output shaft of the motor 4-11. The motor 4-11 is fixed to the base 1 by bolts and is connected to the battery 3. The specific model used is purchased directly from the market according to actual usage requirements; a first limiting rod 4-12 is movably inserted inside the sleeve 4-9, the lower end of the first limiting rod 4-12 is fixed on the base 1, and a second connecting plate 4-13 is fixed on the upper end of the first limiting rod 4-12; the upper end of the screw 4-10 is screwed onto the second connecting plate 4-13 through a bearing; the dust removal mechanism 5 is connected to the right side wall of the first connecting plate 4-7, and the smoothing mechanism 6 is connected to the lower surface of the first connecting plate 4-7;

[0070] The first slide 4-14 is located at the lower end of the dust removal mechanism 5. The first slide 4-15 is slidably locked inside the first slide 4-14. The first mounting pipe 4-16 is fixed on the right side wall of the first sliding pipe 4-15. The first hose 4-6 is connected to the first mounting pipe 4-16 through it. The right end of the first mounting pipe 4-16 is connected to the first spray pipe 4-17 by a thread. The right end of the first spray pipe 4-17 is connected to the second spray pipe 4-19 by a telescopic mechanism 4-18. The right end of the second spray pipe 4-19 is connected to the nozzle 4-20.

[0071] In this embodiment, mortar for application is added from the feed hopper 4-3 into the mortar tank 4-1. The base 1 is pushed to the right, allowing the nozzle 4-20 to be inserted into the crack. The dust removal mechanism 5 removes dust from the crack. The telescopic mechanism 4-18 adjusts the position of the nozzle 4-20 in the crack. The mortar pump 4-4 is started to draw mortar from the mortar tank 4-1 and send it into the installation pipe through the first hose 4-6. Then, it is sprayed out through the first nozzle 4-17, the telescopic mechanism 4-18, the second nozzle 4-19, and the nozzle 4-20. The motor 4-11 is started to rotate the screw 4-10. Under the action of the first limit rod 4-12 and the sleeve 4-9, the first connecting plate 4-7 is raised and lowered, thereby driving the nozzle 4-20 to rise and fall. When it reaches the bend of the crack, the first slider 4-15 slides to guide the nozzle 4-20, allowing it to move in the crack and fully repair it.

[0072] Example 3:

[0073] Please see Figure 1 and Figure 5 Based on Embodiment 2, the telescopic mechanism 4-18 includes:

[0074] Telescopic tube 4-18-1, the left and right ends of which are connected to nozzle 4-17 and nozzle 4-19 respectively;

[0075] Connecting ring 4-18-2, there are two connecting rings 4-18-2, and they are respectively screwed onto No. 1 nozzle 4-17 and No. 2 nozzle 4-19 by bearings;

[0076] Mounting plates 4-18-3, there are four mounting plates 4-18-3, and they are respectively fixed on the upper and lower ring walls of the connecting ring 4-18-2;

[0077] The second limiting rod 4-18-4, there are two of them, and they are fixed on the right side wall of the mounting plate 4-18-3 on the left side respectively;

[0078] There are two No. 1 limiting tubes 4-18-5, which are fixed on the left side wall of the right mounting plate 4-18-3 respectively. Two No. 2 limiting rods 4-18-4 are respectively movably inserted into the No. 1 limiting tubes 4-18-5.

[0079] There are two springs 4-18-6, which are respectively sleeved on the second limiting rod 4-18-4. The left end of the spring 4-18-6 is fixed to the left mounting plate 4-18-3, and the right end of the spring 4-18-6 is fixed to the first limiting tube 4-18-5.

[0080] In this embodiment, when the nozzle 4-20 touches the lens of the crack, the first limiting tube 4-18-5 moves backward, causing the telescopic tube 4-18-1 to be internally compressed. When the nozzle 4-20 reaches a deeper part of the crack, under the action of the first spring 4-18-6, the first limiting tube 4-18-5 moves to the right, causing the telescopic tube 4-18-1 to extend to the right, driving the nozzle 4-20 to move to the end of the crack. When the nozzle 4-20 reaches the bend of the crack, the connecting ring 4-18-2 rotates appropriately to prevent the mounting plate 4-18-3 from affecting the movement of the nozzle 4-20 in the crack.

[0081] Example 4:

[0082] Please see Figure 1-4 Based on Embodiment 2, the dust removal mechanism 5 includes:

[0083] Air pump 5-1 is fixed on the connecting plate and connected to the storage battery 3. Air pump 5-1 has a built-in dust filter and a detachable dust box. The specific model of air pump 5-1 is purchased and installed directly from the market according to actual usage requirements.

[0084] The second slide groove 5-2 is fixed on the right side wall of the first connecting plate 4-7. The second slider 5-5 is slidably locked in the second slide groove 5-2. The bottom of the second slide groove 5-2 is fixed with connecting rods 5-3 at both the front and rear. The bottom of the connecting rods 5-3 is connected to the first slide groove 4-14.

[0085] The second mounting pipe 5-4 is connected to the right side wall of the second slider 5-5. The upper end of the second mounting pipe 5-4 is connected to the second hose 5-6, and the other end of the second hose 5-6 is connected to the air inlet of the air pump 5-1.

[0086] Silicone tube 5-7 is connected to installation tube 5-4 by thread; several ventilation holes 5-7-1 are provided on the annular wall of silicone tube 5-7.

[0087] In this embodiment, when the nozzle 4-20 is inserted into the crack, the silicone tube 5-7 is also inserted into the crack. The silicone tube 5-7 is a relatively hard silicone structure. When the silicone tube 5-7 touches the end of the crack, it will deform appropriately. The air pump 5-1 is activated, so that the gas and dust in the crack enter the second installation tube 5-4 and the second hose 5-6 through the ventilation hole 5-7-1 of the silicone tube 5-7, so that the dust can be removed. When the silicone tube 5-7 reaches the bend of the crack, the second slider 5-5 slides in the second groove 5-2, so that the silicone tube 5-7 can move stably up and down at the bend of the crack.

[0088] Example 5:

[0089] Please see Figure 1-3 Based on Embodiment 2, the smoothing mechanism 6 includes:

[0090] Connecting plate 6-1, the fourth connecting plate 6-1 is fixed to the bottom of connecting plate 4-7 by bolts;

[0091] The number of the third limiting rod 6-2 is two, and they are respectively fixed to the right side wall of the fourth connecting plate 6-1 by bolts;

[0092] The second limiting tube 6-3, there are two of them, and they are respectively movably sleeved on the third limiting rod 6-2;

[0093] There are two springs 6-4, which are respectively sleeved on the third limiting rod 6-2. One end of the spring 6-4 is fixed to the fourth connecting plate 6-1, and the other end of the spring 6-4 is fixed to the second limiting tube 6-3.

[0094] The smearing plate 6-5 is fixed to the right end of the second limiting tube 6-3;

[0095] In this embodiment, when the spray nozzle 4-20 is filling mortar, the trowel 6-5 smooths out the overflowing mortar on the wall surface under the action of the second spring 6-4, so that the crack repair is complete.

[0096] Example 6:

[0097] Please see Figure 1-3 Based on Embodiment 1, the traction mechanism 7 includes:

[0098] Fixing plate 7-1, wherein the fixing plate 7-1 is fixed to the front side wall of the base 1;

[0099] Guide wheel 7-2, wherein the guide wheel 7-2 is disposed at the bottom of the fixed plate 7-1;

[0100] Engine 7-3 is fixed to the upper surface of fixing plate 7-1, engine 7-3 is connected to guide wheel 7-2, and engine 7-3 is connected to battery 3;

[0101] Push rod 7-4, wherein push rod 7-4 is fixed to the rear side of the upper surface of base 1 by bolts;

[0102] In this embodiment, the engine 7-3 is started, so that the guide wheel 7-2 can drive the base 1 to move with the cooperation of the universal wheel 2, and the push rod 7-4 pushes to control the direction of movement of the base 1.

[0103] In use, mortar for application is added from the feed hopper 4-3 into the mortar tank 4-1. The engine 7-3 is started, allowing the guide wheel 7-2 to move the base 1 with the help of the caster wheel 2. The push rod 7-4 pushes, controlling the direction of movement of the base 1, so that the nozzle 4-20 can be inserted into the crack. When the nozzle 4-20 is inserted into the crack, the silicone tube 5-7 is also inserted into the crack. The silicone tube 5-7 is a relatively hard silicone structure. When the silicone tube 5-7 touches the end of the crack, it will undergo appropriate deformation. The air pump 5-1 is started, so that the crack... Gas and dust in the cavity enter the second installation pipe 5-4 and the second hose 5-6 through the ventilation hole 5-7-1 of the silicone tube 5-7, allowing the dust to be removed. When the silicone tube 5-7 reaches the bend of the crack, the second slider 5-5 slides in the second groove 5-2, allowing the silicone tube 5-7 to move stably up and down at the bend of the crack. The mortar pump 4-4 is started to draw mortar from the mortar tank 4-1 and send it into the installation pipe through the first hose 4-6, and then through the first nozzle 4-17, the telescopic pipe 4-18-1, the second nozzle 4-19, and the spray nozzle. When nozzle 4-20 is ejected and touches the lens of the crack, the first limiting tube 4-18-5 moves backward, causing internal pressure in the telescopic tube 4-18-1. When nozzle 4-20 reaches a deeper part of the crack, the first spring 4-18-6 causes the first limiting tube 4-18-5 to move to the right, causing the telescopic tube 4-18-1 to extend to the right, moving nozzle 4-20 to the end of the crack. When nozzle 4-20 reaches the bend of the crack, the connecting ring 4-18-2 rotates appropriately to prevent the mounting plate 4-18-3 from affecting nozzle 4-20 in the crack. The movement of the motor 4-11 causes the screw 4-10 to rotate. Under the action of the first limit rod 4-12 and the sleeve 4-9, the first connecting plate 4-7 is raised and lowered, thereby driving the nozzle 4-20 to rise and fall. When it reaches the bend of the crack, the first slider 4-15 slides to guide the nozzle 4-20, allowing it to move within the crack and fully repair it. While the nozzle 4-20 is filling the crack with mortar, the trowel 6-5 smooths out any overflowing mortar on the wall surface under the action of the second spring 6-4, ensuring a complete repair of the crack.

[0104] The beneficial effects of this specific embodiment after adopting the above structure are as follows:

[0105] 1. Equipped with a guide mechanism 4, which guides the movement of the nozzle 4-20 in the curved crack without the need for manual adjustment, thus avoiding damage to the feeding pipe and improving the repair efficiency.

[0106] 2. It is equipped with a dust removal mechanism 5 and a smoothing mechanism 6. Dust is removed before filling with mortar to prevent the mortar from being unstable. After filling, it is smoothed in time, saving time and effort.

[0107] The above description is only used to illustrate the technical solution of the present invention and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of the present invention, as long as they do not depart from the spirit and scope of the technical solution of the present invention, should be covered within the scope of the claims of the present invention.

Claims

1. A crack repair device with a guiding and positioning structure, comprising a base (1), casters (2) and a battery (3); casters (2) are screwed onto the four corners of the bottom of the base (1); and a battery (3) is fixed on the upper surface of the base (1); Its features are, It also includes: The guide mechanism (4) is mounted on the base (1); Dust removal mechanism (5), wherein the dust removal mechanism (5) is mounted on the guide mechanism (4); Smoothing mechanism (6), wherein the smoothing mechanism (6) is mounted on the guide mechanism (4); The traction mechanism (7) is mounted on the base (1).

2. The crack repair device with a guiding and positioning structure according to claim 1, characterized in that: The guiding mechanism (4) includes: A mortar tank (4-1) is fixed on the left side of the upper surface of the base (1); a cover (4-2) is provided above the mortar tank (4-1), and a feed hopper (4-3) is connected through the left side of the upper surface of the cover (4-2); The mortar pump (4-4) is fixed on the right side of the upper surface of the cover (4-2). The mortar pump (4-4) is connected to the storage battery (3). The feed end of the mortar pump (4-4) is connected to the feed pipe (4-5), and the discharge end of the mortar pump (4-4) is connected to the No. 1 hose (4-6). A first connecting plate (4-7) is located on the upper right side of the base (1). An internally threaded pipe (4-8) is fixed to the front side of the left side wall of the first connecting plate (4-7), and a sleeve (4-9) is fixed to the rear side of the left side wall of the first connecting plate (4-7). A screw (4-10) is threadedly inserted into the internally threaded pipe (4-8). The lower end of the screw (4-10) is connected to the output shaft of the motor (4-11). The motor (4-11) is fixed on the base (1). 1) Connected to the storage battery (3); a first limiting rod (4-12) is movably inserted into the sleeve (4-9), the lower end of the first limiting rod (4-12) is fixed on the base (1), the upper end of the first limiting rod (4-12) is fixed with a second connecting plate (4-13), and the upper end of the screw (4-10) is screwed onto the second connecting plate (4-13) through a bearing; the dust removal mechanism (5) is connected to the right side wall of the first connecting plate (4-7), and the smoothing mechanism (6) is connected to the lower surface of the first connecting plate (4-7); The first chute (4-14) is located at the lower end of the dust removal mechanism (5). The first slider (4-15) is slidably installed in the first chute (4-14). The first mounting pipe (4-16) is fixed on the right side wall of the first slider (4-15). The first hose (4-6) is connected to the first mounting pipe (4-16) through it. The right end of the first mounting pipe (4-16) is connected to the first nozzle (4-17) by a thread. The right end of the first nozzle (4-17) is connected to the second nozzle (4-19) through a telescopic mechanism (4-18). The right end of the second nozzle (4-19) is connected to the nozzle (4-20).

3. A crack repair device with a guiding and positioning structure according to claim 2, characterized in that: The telescopic mechanism (4-18) includes: Telescopic tube (4-18-1), the left and right ends of which are connected to nozzle No. 1 (4-17) and nozzle No. 2 (4-19) respectively; Connecting ring (4-18-2), there are two connecting rings (4-18-2), and they are respectively screwed onto No. 1 nozzle (4-17) and No. 2 nozzle (4-19) by bearings; Mounting plates (4-18-3), there are four mounting plates (4-18-3), and they are respectively fixed on the upper and lower ring walls of the connecting ring (4-18-2); The second limiting rod (4-18-4) consists of two rods, which are fixed to the right side wall of the mounting plate (4-18-3) on the left side. There are two No. 1 limiting tubes (4-18-5), which are fixed on the left side wall of the right mounting plate (4-18-3) respectively. Two No. 2 limiting rods (4-18-4) are movably inserted into the No. 1 limiting tubes (4-18-5). There are two springs (4-18-6), which are respectively sleeved on the second limiting rod (4-18-4). The left end of the spring (4-18-6) is fixed to the left mounting plate (4-18-3), and the right end of the spring (4-18-6) is fixed to the first limiting tube (4-18-5).

4. A crack repair device with a guiding and positioning structure according to claim 2, characterized in that: The dust removal mechanism (5) includes: Air pump (5-1), the air pump (5-1) is fixed on the connecting plate, the air pump (5-1) is connected to the storage battery (3), and the air pump (5-1) has a built-in dust filter and a detachable dust box. The second slide groove (5-2) is fixed on the right side wall of the first connecting plate (4-7). The second slider (5-5) is slidably locked in the second slide groove (5-2). The bottom of the second slide groove (5-2) is fixed with connecting rods (5-3) at both the front and back. The bottom of the connecting rods (5-3) is connected to the first slide groove (4-14). The second mounting pipe (5-4) is connected to the right side wall of the second slider (5-5). The upper end of the second mounting pipe (5-4) is connected to the second flexible hose (5-6). The other end of the second flexible hose (5-6) is connected to the air inlet of the air pump (5-1). Silicone tube (5-7) is connected to the second installation tube (5-4) by thread; the annular wall of silicone tube (5-7) is provided with several ventilation holes (5-7-1).

5. A crack repair device with a guiding and positioning structure according to claim 2, characterized in that: The smoothing mechanism (6) includes: Connecting plate No. 4 (6-1), which is fixed to the bottom of connecting plate No. 1 (4-7); The third limiting rod (6-2) consists of two rods, which are fixed to the right side wall of the fourth connecting plate (6-1). The second limiting tube (6-3) consists of two tubes, each movably sleeved on the third limiting rod (6-2). The second spring (6-4) consists of two springs, which are respectively sleeved on the third limiting rod (6-2). One end of the second spring (6-4) is fixed to the fourth connecting plate (6-1), and the other end of the second spring (6-4) is fixed to the second limiting tube (6-3). The smearing plate (6-5) is fixed to the right end of the second limiting tube (6-3).

6. A crack repair device with a guiding and positioning structure according to claim 1, characterized in that: The traction mechanism (7) includes: Fixing plate (7-1), wherein the fixing plate (7-1) is fixed to the front side wall of the base (1); Guide wheel (7-2), wherein the guide wheel (7-2) is located at the bottom of the fixed plate (7-1); The engine (7-3) is fixed on the upper surface of the fixing plate (7-1), the engine (7-3) is connected to the guide wheel (7-2), and the engine (7-3) is connected to the battery (3).

7. A crack repair device with a guiding and positioning structure according to claim 6, characterized in that: The push rod (7-4) is fixed to the rear side of the upper surface of the base (1).