CN210797221U - Self-pressing type crack repairing device - Google Patents

Self-pressing type crack repairing device Download PDF

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Publication number
CN210797221U
CN210797221U CN201921527209.8U CN201921527209U CN210797221U CN 210797221 U CN210797221 U CN 210797221U CN 201921527209 U CN201921527209 U CN 201921527209U CN 210797221 U CN210797221 U CN 210797221U
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piston rod
grouting
cylinder
piston
self
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CN201921527209.8U
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郭思瑶
齐晓强
张素磊
陈际洲
万小梅
牟犇
刘杰
戴长虹
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Qingdao University of Technology
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Qingdao University of Technology
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Abstract

The utility model provides a self-pressing crack repairing device, which relates to the technical field of concrete crack repairing construction and comprises a grouting cylinder, a piston rod, a piston and an elastic part sleeved at the tail end of the piston rod, wherein the grouting cylinder is a cylinder body with openings at two ends, and the piston rod penetrates through a cylinder cover and extends into the grouting cylinder; the piston is arranged at the tail end of the piston rod and is filled in the grouting cylinder; set up buckle subassembly and two at least spacing teeth on the piston rod, spacing tooth and buckle subassembly all set up in the top of elastic component, and each spacing tooth sets up the bar groove that is used for through spacing tooth on the cover in the vertical plane of difference, and buckle subassembly is located the inside of a slip casting section of thick bamboo and is located the piston rod next to the cover sleeve, and buckle subassembly is connected with the lateral wall elasticity buckle of a slip casting section of thick bamboo simultaneously. The utility model discloses a spacing tooth and buckle subassembly's cooperation, the compression degree of control elastic component realizes the sectional type slip casting, has avoided the waste of slip casting liquid.

Description

Self-pressing type crack repairing device
Technical Field
The utility model belongs to the technical field of concrete crack repair construction technique and specifically relates to a self-pressing formula crack repair device is related to.
Background
The concrete structure is widely applied to large civil engineering such as road surfaces, bridges, houses and the like, and becomes a main material in modern engineering construction. The concrete structure usually works under the action of composite factors such as load, environment and the like for a long time, the concrete material is usually cracked under the action of the coupling factors, when the concrete is cracked, the strength, the impermeability, the durability and the like of the concrete are all rapidly reduced, and the service life of the concrete is greatly reduced.
In order to improve the safety of concrete structures and enhance the service life of concrete structures, the concrete structures which are cracked and damaged are generally treated by grouting, and repair grouting is the main method for treating concrete cracking and damage at present.
Now generally adopt syringe formula slip casting equipment, this equipment is through utilizing the spring structure to carry out the slip casting, utilizes the thrust that compression spring provided to promote the piston and moves down, will repair the thick liquid and pour into the concrete crack in, but the degree of this kind of device uncontrollable spring compression, can be under the condition of careless violent power, directly press the spring to low, cause the thick liquid of slip casting in the section of thick bamboo all to be poured into, the volume of thick liquid of pouring is uncontrolled promptly, leads to the waste of thick liquid of pouring.
Therefore, how to overcome the technical problem that when a syringe type grouting device with a spring structure is used for grouting, the compression degree of the spring structure is difficult to control, so that the grouting liquid is wasted becomes a technical problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a self-pressure formula crack patching device to solve the syringe formula grouting equipment that has the spring structure that exists among the prior art when the slip casting, the compression degree of spring structure is difficult to control, leads to the extravagant technical problem of slip casting liquid.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of self-pressing formula crack repairing device, locate including slip casting section of thick bamboo, piston rod, piston and cover the terminal elastic component of piston rod, wherein:
the grouting cylinder is a cylinder body with openings at two ends, one end of the grouting cylinder is provided with a cylinder cover, the other end of the grouting cylinder is provided with a grouting nozzle, the piston rod penetrates through the cylinder cover and extends into the grouting cylinder, and the piston rod rotationally moves up and down in the grouting cylinder under the driving of external force;
the piston is arranged at the tail end of the piston rod, is filled in the grouting barrel and moves up and down under the driving of the piston rod, and the elastic part sleeved on the piston rod is adjacent to the piston;
set up buckle subassembly and two at least spacing teeth on the piston rod, spacing tooth with buckle subassembly all set up in the top of elastic component, each spacing tooth is on the vertical plane of difference, set up on the cover barrel and be used for passing through the bar groove of spacing tooth, buckle subassembly is located inside and the next-door neighbour of a slip casting section of thick bamboo the cover barrel casing is located on the piston rod, buckle subassembly simultaneously with the lateral wall elasticity buckle of a slip casting section of thick bamboo is connected.
Preferably, the side wall of the grouting barrel is provided with strip-shaped holes, the strip-shaped holes comprise vertical strip-shaped holes and horizontal strip-shaped holes, the vertical strip-shaped holes are perpendicular to the horizontal strip-shaped holes, and the number of the horizontal strip-shaped holes corresponds to the number of the limiting teeth;
the buckle subassembly includes holding down plate and telescopic link, the piston rod runs through the holding down plate, the telescopic link with the holding down plate is at the coplanar, the telescopic link is located the edge of holding down plate and with holding down plate fixed connection, the telescopic link can towards the holding down plate with keep away from the direction of holding down plate is flexible, the telescopic link is flexible to keeping away from during the direction of holding down plate, the telescopic link joint in horizontal bar shape hole, the telescopic link is flexible to being close to during the direction of holding down plate, the telescopic link is in under external force drive vertical bar shape hole slides from top to bottom, realizes the holding down plate up-and-down motion.
Preferably, the lower pressing plate is arranged above the elastic member, and when the piston rod moves downwards in a rotating manner, the lower pressing plate presses the elastic member, so that the elastic member deforms.
Preferably, the outer contour of the lower pressure plate is matched with the section of the inner cavity of the grouting cylinder.
Preferably, the piston rod is provided with a hollow cavity with two open ends, grouting liquid flows into the hollow cavity of the piston rod from an opening on one side of the piston rod and flows out from an opening on the other side of the piston rod to enter the grouting barrel, and the grouting liquid of the grouting barrel is grouted through the grouting nozzle;
the opening of the grouting liquid outflow end of the piston rod is flush with the bottom surface of the piston.
Preferably, one end of the piston rod is provided with a stopper rod cap, the stopper rod cap is covered on the piston, and the stopper rod cap is opposite to the grouting nozzle.
Preferably, a grout stop valve is arranged on the piston rod and transversely penetrates through the piston rod for controlling the injection of grouting liquid.
Preferably, a rotating handle is arranged on the piston rod, is positioned above the piston rod and is fixedly arranged on the outer wall of the piston rod.
Preferably, the grouting barrel comprises a first barrel body and a second barrel body, the first barrel body is arranged above the second barrel body, an internal thread is arranged at the lower end of the first barrel body, an external thread is arranged at the upper end of the second barrel body, and the external thread is matched with the internal thread;
the grouting nozzle is located below the second cylinder and integrally formed with the second cylinder.
Preferably, the grouting device further comprises a grouting plate, the grouting nozzle penetrates through the grouting plate, and the grouting plate is tightly attached to the wall during grouting;
the grouting plate is provided with overflow holes which are positioned around the grouting nozzle.
The utility model provides a self-pressing formula crack repair device has following technological effect:
this kind of self-pressure formula crack patching device, compare with traditional syringe formula slip casting equipment, at least two spacing teeth and buckle subassembly have been increased on the piston rod, each spacing tooth is on the vertical plane of difference, the barrel cover has the bar groove that is used for through spacing tooth, during rotary motion about the piston rod, each spacing tooth loops through the bar groove, and buckle subassembly is located slip casting section of thick bamboo inside and next-door neighbour's cover sleeve locate the piston rod, buckle subassembly is connected with the lateral wall elasticity buckle of slip casting section of thick bamboo simultaneously, be through spacing tooth and buckle subassembly's cooperation promptly, the compression degree of control elastic component, realize the sectional type slip casting, the waste of slip casting liquid has been avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a self-pressing type crack repairing device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a piston rod inside the self-pressing crack repairing device of FIG. 1;
FIG. 3 is a cross-sectional top view of the piston rod of FIG. 2;
FIG. 4 is a first side view of a grout barrel inside the self-pressurizing fracture repair device of FIG. 1;
FIG. 5 is a second side view of a grout barrel inside the self-pressurizing fracture repair device of FIG. 1;
FIG. 6 is a plan view of a grouting cylinder inside the self-pressurizing crack repairing apparatus of FIG. 1;
fig. 7 is a side view of the second cylinder inside the self-pressure type crack repairing apparatus of fig. 1.
Wherein, fig. 1-7:
100. a grouting cylinder; 101. a first cylinder; 1011. a horizontal strip-shaped hole; 1012. a vertical strip-shaped hole; 102. a second cylinder;
200. a piston rod; 201. a piston; 202. an elastic member; 203. a cylinder cover; 2031. a strip-shaped groove; 204. a grouting nozzle; 205. limiting teeth; 2051. a first limit tooth; 2052. a second limit tooth; 2053. a third limit tooth; 206. a buckle assembly; 2061. a lower pressing plate; 2062. a telescopic rod; 207. rotating the handle; 208. a slurry stop valve; 209. a stopper rod cap;
300. a pulp pressing plate; 301. an overflow aperture;
400. and (4) cracking.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are only for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
FIG. 1 is a schematic view of the overall structure of a self-pressure type crack repairing device according to an embodiment of the present invention,
fig. 2 is a schematic structural view of a piston rod inside the self-pressure type crack repairing apparatus of fig. 1, fig. 3 is a sectional plan view of the piston rod of fig. 2, fig. 4 is a first side view of a grouting cylinder inside the self-pressure type crack repairing apparatus of fig. 1, fig. 5 is a second side view of the grouting cylinder inside the self-pressure type crack repairing apparatus of fig. 1, fig. 6 is a plan view of the grouting cylinder inside the self-pressure type crack repairing apparatus of fig. 1, and fig. 7 is a side view of a second cylinder inside the self-pressure type crack repairing apparatus of fig. 1.
The utility model provides a self-pressing formula crack patching device, as shown in fig. 1 and fig. 2, mainly include a slip casting section of thick bamboo 100, piston rod 200, piston 201 and elastic component 202.
A slip casting section of thick bamboo 100 for splendid attire slip casting liquid realizes direct slip casting through piston rod 200, and it divide into two parts, is first barrel 101 and second barrel 102 respectively, and first barrel 101 is located the upper portion of second barrel 102, and first barrel 101 and second barrel 102 threaded connection, first barrel 101 lower extreme sets up the internal thread promptly, and second barrel 102 upper end sets up the external screw thread, and the external screw thread matches with the internal thread.
The piston rod 200 drives the piston 201 to move up and down in the first cylinder 101, the second cylinder 102 is mainly used for containing grouting liquid, the first cylinder 101 and the second cylinder 102 are partially overlapped with the grouting liquid,
a piston rod 200 for driving the grouting liquid in the grouting cylinder 100 to be ejected through the grouting nozzle 204, or containing the grouting liquid, the grouting liquid in the piston rod 200 flows into the grouting cylinder 100 due to gravity, and then is ejected through the grouting nozzle 204
The piston 201 is located at the end of the piston rod 200 and directly used for pushing grouting liquid to flow towards the grouting nozzle 204.
The elastic member 202, which is initially fixed at its upper end, is in a compressed state, and the elastic member 202 in the compressed state tends to rebound, so that the elastic member 202 drives the piston 201 downward.
The utility model discloses an elastic component 202 is the spring, still can be for other kinds of elastomeric element, as long as can realize making piston rod 200 produce the resilience force, all is within the scope of protection of the utility model.
And the grouting nozzle 204 is positioned below the second cylinder 102, and the grouting nozzle 204 is integrally formed with the second cylinder 102.
The concrete connection mode of the grouting cylinder 100, the piston rod 200, the piston 201 and the elastic element 202 is as follows: the grouting cylinder 100 is a cylinder with openings at two ends, a cylinder cover 203 is arranged at one end of the grouting cylinder 100, a grouting nozzle 204 is arranged at the other end of the grouting cylinder 100, a piston rod 200 penetrates through the cylinder cover 203 and extends into the grouting cylinder 100, namely, part of the piston rod 200 is positioned inside the grouting cylinder 100, part of the piston rod 200 is positioned outside the grouting cylinder 100, and the piston rod 200 is driven by external force to rotate inside and outside the grouting cylinder 100 to move up and down.
The piston 201 is disposed at the end of the piston rod 200, that is, the piston rod 200 is inserted into the piston 201, the end of the piston rod 200 is flush with the bottom surface of the piston 201, the piston 201 is also filled in the grouting barrel 100, the telescopic rod 2062 is driven by an external force to extend back and forth to realize the up-and-down movement of the lower pressing plate 2061, the elastic member 202 sleeved on the piston rod 200 is adjacent to the piston 201, and the piston 201 prevents the compressed elastic member 202 from being pressed out of the piston rod 200.
Set up two at least spacing teeth 205 and buckle subassembly 206 on the piston rod 200, the utility model discloses an at least two can be 2, 3, 4.
The limiting teeth 205 and the buckle assembly 206 are both arranged above the elastic piece 202, each limiting tooth 205 is on different vertical planes, each vertical plane can be perpendicular to the other, and also can not be perpendicular to the other, as shown in fig. 1, the first limiting teeth 2051 and the third limiting teeth 2053 are located on the same vertical plane, the vertical plane where the second limiting teeth 2052 are located is perpendicular to the vertical plane where the first limiting teeth 2051 are located, as shown in fig. 3, the cylinder cover 203 is provided with a strip-shaped groove 2031 for passing through the limiting teeth 205, as shown in fig. 6, the buckle assembly 206 is located inside the grouting cylinder 100 and is sleeved on the piston rod 200 next to the cylinder cover 203, and the buckle assembly 206 is simultaneously connected with the side wall elastic buckle of the grouting cylinder 100.
The utility model discloses a self-pressure formula crack patching device, compare with traditional syringe formula slip casting equipment, the difference lies in, during the up-and-down rotary motion of piston rod 200, each spacing tooth 205 loops through bar groove 2031, and buckle subassembly 206 is located the inside of slip casting section of thick bamboo 100 and is close to cover 203 and locate on piston rod 200, buckle subassembly 206 moves down under the drive of external force, extrude elastic component 202, drive piston 201 moves down when elastic component 202 replies elastic deformation, third spacing tooth 2053 gets into slip casting section of thick bamboo 100 simultaneously, accomplish the slip casting, and buckle subassembly 206 buckle corresponding position on the slip casting section of thick bamboo 100 lateral wall, realize the injection volume of control slip casting liquid through first spacing tooth 2051, second spacing tooth 2052 in order, third spacing tooth 2053 and more spacing tooth 205 get into, namely through the cooperation of spacing tooth 205 and buckle subassembly 206, realize the compression degree of control elastic component 202, segmented grouting is realized, and the waste of grouting liquid is avoided.
In a preferable scheme, the side wall of the grouting cylinder 100 is provided with strip-shaped holes, as shown in fig. 4, each strip-shaped hole comprises a vertical strip-shaped hole 1012 and a horizontal strip-shaped hole 1011, the vertical strip-shaped hole 1012 is perpendicular to the horizontal strip-shaped hole 1011, the vertical strip-shaped hole 1012 is communicated with the horizontal strip-shaped hole 1011, and the number of the horizontal strip-shaped holes 1011 corresponds to the number of the limiting teeth 205;
the buckle assembly 206 includes a lower pressing plate 2061 and an expansion link 2062, as shown in fig. 1, fig. 2 and fig. 5, the piston rod 200 penetrates through the lower pressing plate 2061, the expansion link 2062 and the lower pressing plate 2061 are in the same plane, the expansion link 2062 is located at the edge of the lower pressing plate 2061, the expansion link 2062 and the lower pressing plate 2061 are fixedly connected, the expansion link 2062 can extend toward the lower pressing plate 2061 and away from the lower pressing plate 2061, when the expansion link 2062 extends and retracts away from the lower pressing plate 2061, the expansion link 2062 is connected to the horizontal bar-shaped hole 1011 in a clamping manner, when the expansion link 2062 extends and retracts towards the lower pressing plate 2061, the expansion link 2062 is driven by an external force to extend and retract back and to slide up and down in the vertical bar-shaped hole 1012 to realize the up.
Specifically, the lower pressure plate 2061 is disposed above the elastic member 202, and when the piston rod 200 is rotationally moved downward, the lower pressure plate 2061 presses the elastic member 202, so that the elastic member 202 is deformed, and when the grouting is completed, the elastic member 202 rebounds the lower pressure plate 2061 upward.
In a preferred embodiment, in order to directly connect with the grouting machine, the piston rod 200 is provided with a hollow cavity with two open ends, as shown in fig. 1 and fig. 2, grouting liquid in the grouting machine can flow into the hollow cavity of the piston rod 200, i.e. grouting liquid flows into the hollow cavity of the piston rod 200 from one side opening of the piston rod 200 and flows out to the other side opening of the piston rod 200, and enters the grouting cylinder 100, grouting liquid in the grouting cylinder 100 is grouted through the grouting nozzle 204, and the opening of the grouting liquid outflow end of the piston rod 200 is flush with the bottom surface of the piston 201, so as to prevent the piston 201 from preventing the grouting liquid in the piston rod 200 from flowing into the grouting cylinder 100.
In a specific scheme, a plunger cap 209 is arranged at one end of a piston rod 200, the plunger cap 209 covers a piston 201, the plunger cap 209 is opposite to a grouting nozzle 204, and the plunger cap 209 is directly pulled out when the piston rod 200 is connected with a grouting machine.
In order to control the downward flow of the grouting liquid in the piston rod 200, a grout stop valve 208 is provided on the piston rod 200, and the grout stop valve 208 transversely penetrates the piston rod 200.
Meanwhile, the piston rod 200 is provided with a rotating handle 207, the rotating handle 207 realizes the up-and-down rotating motion of the piston rod 200, and the rotating handle 207 is positioned above the piston rod 200 and is fixedly arranged on the outer wall of the piston rod 200.
In the preferred scheme, the grouting device further comprises a grouting plate 300, wherein the grouting nozzle 204 penetrates through the grouting plate 300 and is fixedly connected with the grouting plate 300, and during grouting, the grouting plate 300 is tightly attached to the wall.
When the crack 400 is full of grouting liquid, the grouting liquid can overflow, the grouting plate 300 is provided with overflow holes 301, the overflow holes 301 are positioned at the periphery of the grouting nozzle 204, namely, whether the crack 400 is full of grouting liquid is observed through the overflow holes 301.
The first realization process of the self-pressing type crack repairing device is as follows:
(1) when the number of the cracks 400 in the concrete is large or the width of the cracks 400 is wide, grouting is performed by using a grouting machine, the third limiting tooth 2053 on the piston rod 200 is clamped on the cylinder cover 203, and the lower pressing plate 2061 is fixed on the first horizontal strip-shaped hole 1011 of the grouting cylinder 100 (counted from top to bottom according to fig. 4);
(2) the grouting nozzle 204 is connected with the grouting plate 300, the grouting nozzle 204 is aligned with the crack 400 of the concrete, the grout stop valve 208 on the piston rod 200 is opened, the piston rod cap 209 is taken down, the grouting machine is connected with the piston rod 200, the grouting machine is opened for grouting, and grouting is stopped when the grouting barrel 100 is filled with grouting liquid.
(3) After the rough grouting is finished, performing fine grouting, and rotating the rotating handle 207 clockwise by 90 degrees, so that the third limiting tooth 2053 passes through the strip-shaped groove 2031 of the cylinder cover 203, and the piston rod 200 moves downwards under the action of the elastic piece 202 to finish the preliminary grouting;
(4) when the second limit tooth 2052 on the piston rod 200 reaches the cylinder cover 203, the lower pressing plate 2061 is pressed on the second horizontal strip-shaped hole 1011 of the cylinder cover 203, the lower pressing plate 2061 is clamped at the position by using the telescopic rod 2062, the piston rod 200 is rotated by 90 degrees clockwise, and the piston rod 11 moves downwards under the action of the spring 12, so that further grouting is completed;
(5) when the first limiting tooth 2051 on the piston rod 200 reaches the cylinder cover 203, the lower pressing plate 2061 is pressed on the third horizontal strip-shaped hole 1011 on the cylinder cover 203, the lower pressing plate 2061 is clamped at the position by using the telescopic rod 2062, the piston rod 200 is rotated by 90 degrees clockwise, the piston rod 200 moves downwards under the action of the elastic part 202, and all grouting liquid is completely injected into the concrete crack 400;
(6) the above steps are repeated until the grout overflows from the holes on the grout pressing plate 300, and then the grouting of the concrete crack 400 is completed.
The second implementation process of the self-pressing type crack repairing device is as follows:
(1) when the number of cracks 400 in the concrete is small or the width of the cracks 400 is narrow, the piston 201 is used for lifting upwards to suck grouting liquid, the first limiting tooth 2051 on the piston rod 200 is clamped on the cylinder cover 203, the piston rod 200 is rotated by rotating the handle 207, and the piston 201 pulls upwards to suck grouting liquid until the third limiting tooth 2053 on the piston rod 200 is clamped on the cylinder cover 203;
(2) then fixing the lower pressing plate 2061 on the first horizontal strip-shaped hole 1011 on the grouting cylinder 100, connecting the grouting nozzle 204 with the grouting plate 300, aligning the grouting nozzle 204 with the crack 400 of the concrete, so that the third limiting tooth 2053 passes through the strip-shaped groove 2031 of the cylinder cover 203, and the piston rod 200 moves downwards under the action of the elastic part 202 to complete the primary grouting;
(3) when the second limit tooth 2052 on the piston rod 200 reaches the cylinder cover 203, the lower pressing plate 2061 is pressed on the second horizontal strip-shaped hole 1011 on the grouting cylinder 100, the lower pressing plate 2061 is clamped at the position by using the telescopic rod 2062, and then the piston rod 200 is rotated clockwise by 90 degrees to complete further grouting;
(4) when the first limit tooth 2051 on the piston rod 200 reaches the cylinder cover 203, the lower pressing plate 2061 is pressed on the third horizontal strip-shaped hole 1011 on the grouting cylinder 100, the lower pressing plate 2061 is clamped at the position by the telescopic rod 2062, the piston rod 200 is rotated by 90 degrees clockwise, the piston rod 200 moves downwards under the action of the elastic part 202, and all grouting liquid is completely injected into the concrete crack 400.
(5) The above steps are repeated until the grout overflows from the holes on the grout pressing plate 300, and then the grouting of the concrete crack 400 is completed.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The self-pressing type crack repairing device is characterized by comprising a grouting cylinder (100), a piston rod (200), a piston (201) and an elastic part (202) sleeved at the tail end of the piston rod (200), wherein:
the grouting cylinder (100) is a cylinder with two open ends, one end of the grouting cylinder (100) is provided with a cylinder cover (203), the other end of the grouting cylinder (100) is provided with a grouting nozzle (204), the piston rod (200) penetrates through the cylinder cover (203) and extends into the grouting cylinder (100), and the piston rod (200) is driven by external force to rotate in the grouting cylinder (100) to move up and down;
the piston (201) is arranged at the tail end of the piston rod (200), is filled in the grouting cylinder (100) and moves up and down under the driving of the piston rod (200), and the elastic piece (202) sleeved on the piston rod (200) is adjacent to the piston (201);
set up buckle subassembly (206) and two at least spacing teeth (205) on piston rod (200), spacing tooth (205) with buckle subassembly (206) all set up in the top of elastic component (202), each spacing tooth (205) are on the vertical plane of difference, set up on cover (203) and be used for passing through bar groove (2031) of spacing tooth (205), buckle subassembly (206) are located the inside of a slip casting section of thick bamboo (100) and next-door neighbour cover (203) cover is located on piston rod (200), buckle subassembly (206) simultaneously with the lateral wall elasticity buckle of a slip casting section of thick bamboo (100) is connected.
2. The self-pressing type crack repairing device according to claim 1, wherein a strip-shaped hole is formed in the side wall of the grouting cylinder (100), the strip-shaped hole comprises a vertical strip-shaped hole (1012) and a horizontal strip-shaped hole (1011), the vertical strip-shaped hole (1012) is perpendicular to the horizontal strip-shaped hole (1011), and the number of the horizontal strip-shaped holes (1011) corresponds to the number of the limiting teeth (205);
the buckle component (206) comprises a lower pressure plate (2061) and an expansion link (2062), the piston rod (200) penetrates through the lower pressing plate (2061), the telescopic rod (2062) and the lower pressing plate (2061) are in the same plane, the telescopic rod (2062) is positioned at the edge of the lower pressure plate (2061) and is fixedly connected with the lower pressure plate (2061), the telescopic rod (2062) can be extended and retracted towards the lower pressure plate (2061) and away from the lower pressure plate (2061), when the telescopic rod (2062) is stretched to the direction far away from the lower pressure plate (2061), the telescopic rod (2062) is clamped in the horizontal strip-shaped hole (1011), when the telescopic rod (2062) is stretched to the direction close to the lower pressure plate (2061), the telescopic rod (2062) is driven by external force to slide up and down in the vertical strip-shaped hole (1012), so that the lower pressing plate (2061) can move up and down.
3. The self-pressing crack repairing device according to claim 2, wherein the lower pressing plate (2061) is disposed above the elastic member (202), and when the piston rod (200) is rotationally moved downward, the lower pressing plate (2061) presses the elastic member (202), and the elastic member (202) is deformed.
4. The autogenous pressure crack repair device of claim 2, characterized in that the outer contour of the lower pressure plate (2061) matches the cross section of the inner cavity of the grouting barrel (100).
5. The self-pressure type crack repairing device according to claim 2, wherein the piston rod (200) is configured to have a hollow cavity with two open ends, grouting liquid flows into the hollow cavity of the piston rod (200) from one side opening of the piston rod (200) to the other side opening of the piston rod (200) and enters the grouting barrel (100), and grouting liquid of the grouting barrel (100) is grouted through the grouting nozzle (204);
the opening of the grout outflow end of the piston rod (200) is flush with the bottom surface of the piston (201).
6. The self-pressing type crack repairing device according to claim 5, wherein a stopper rod cap (209) is arranged at one end of the piston rod (200), the stopper rod cap (209) covers the piston (201), and the stopper rod cap (209) is opposite to the grouting nozzle (204).
7. The self-pressure crack repairing device as claimed in claim 5, wherein a slurry stop valve (208) is disposed on the piston rod (200), and the slurry stop valve (208) transversely penetrates through the piston rod (200) for controlling the injection of the slurry.
8. The self-pressing type crack repairing device according to claim 5, wherein a rotating handle (207) is arranged on the piston rod (200), and the rotating handle (207) is positioned above the piston rod (200) and is fixedly arranged on the outer wall of the piston rod (200).
9. The self-pressure type crack repairing device according to any one of claims 1 to 8, wherein the grouting cylinder (100) comprises a first cylinder body (101) and a second cylinder body (102), the first cylinder body (101) is arranged above the second cylinder body (102), the lower end of the first cylinder body (101) is provided with an internal thread, the upper end of the second cylinder body (102) is provided with an external thread, and the external thread is matched with the internal thread;
the grouting nozzle (204) is located below the second cylinder (102), and the grouting nozzle (204) and the second cylinder (102) are integrally formed.
10. The self-pressing crack repairing device according to claim 9, further comprising a pressing plate (300), wherein the grouting nozzle (204) penetrates through the pressing plate (300), and the pressing plate (300) is tightly attached to the wall during grouting;
the mud-pressing plate (300) is provided with overflow holes (301), and the overflow holes (301) are positioned around the grouting nozzle (204).
CN201921527209.8U 2019-09-12 2019-09-12 Self-pressing type crack repairing device Active CN210797221U (en)

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Application Number Priority Date Filing Date Title
CN201921527209.8U CN210797221U (en) 2019-09-12 2019-09-12 Self-pressing type crack repairing device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113005833A (en) * 2021-03-16 2021-06-22 石家庄铁道大学 Device and method for repairing structural crack damage of ballastless track bed of high-speed railway
CN114837131A (en) * 2022-06-01 2022-08-02 黄华日 Flood control dam repairing device and method for flood control hydraulic engineering

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113005833A (en) * 2021-03-16 2021-06-22 石家庄铁道大学 Device and method for repairing structural crack damage of ballastless track bed of high-speed railway
CN114837131A (en) * 2022-06-01 2022-08-02 黄华日 Flood control dam repairing device and method for flood control hydraulic engineering

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