CN211624575U - Injection type under-pressure plugging device - Google Patents
Injection type under-pressure plugging device Download PDFInfo
- Publication number
- CN211624575U CN211624575U CN201921270067.1U CN201921270067U CN211624575U CN 211624575 U CN211624575 U CN 211624575U CN 201921270067 U CN201921270067 U CN 201921270067U CN 211624575 U CN211624575 U CN 211624575U
- Authority
- CN
- China
- Prior art keywords
- reversing
- hydraulic pump
- sealing sleeve
- handle
- glue injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Coating Apparatus (AREA)
Abstract
The utility model relates to the technical field of chemical equipment leakage stoppage, in particular to an injection type under-pressure leakage stoppage device, which comprises an injection gun, a hydraulic pump assembly and a reversing assembly, wherein the injection gun is sequentially provided with a nozzle, an injection cylinder and a hydraulic cylinder; a sealing sleeve assembly is sleeved on the glue injection sleeve and comprises two locking pieces and a sealing sleeve; the glue injection barrel and the sealing sleeve are provided with feed inlets; the sealing sleeve is rotated to realize two functions of adding rubber and sealing. The hydraulic pump assembly comprises a two-position four-way reversing valve and a hydraulic pump, the hydraulic pump is a double-plunger hydraulic pump, and the two plungers are respectively located on two sides of the handle hinge to realize the opposite movement of the two plungers at the same moment. The switching-over subassembly includes: the reversing valve comprises a reversing handle, a connecting wire and a fixing piece, wherein one end of the connecting wire is connected with the reversing handle, the other end of the connecting wire is connected with a reversing rod, the reversing handle acts, and the reversing valve reverses. Compared with the prior art, the utility model, have the injecting glue process and in succession rapidly, easy operation, working strength low grade advantage.
Description
Technical Field
The utility model relates to a chemical industry equipment leaking stoppage technical field, specific saying so, a leaking stoppage device is pressed in injection type area.
Background
In industries such as petrifaction and oil refining, due to working environments such as high pressure, high temperature, explosive property, corrosion of transmission media and the like, gaps or holes are inevitably formed in pipelines, valves, flanges and the like, so that media leakage is caused, and serious consequences can be caused if leakage is not stopped in time. The pressure leakage stoppage is a leakage stoppage method for sealing by using a solid sealing material under the dynamic condition of a fluid medium. The current methods for plugging include a wrapping plugging method, a bundling plugging method, a twisting repairing plugging method, a clamp glue injection type plugging method and the like. The glue injection type leaking stoppage method has the characteristics of low cost, high safety, good adaptability, detachability and the like. The basic principle is as follows: designing a clamp according to the structure of the site leakage part, and then processing and manufacturing the clamp; the clamp is arranged at the leakage position, the sealing cavity formed between the shell of the leakage position and the clamp is utilized, the sealant with plasticity and curing property is injected and filled in the sealing cavity, the pressure of the sealant and the leakage medium is balanced along with the filling and rapid curing of the sealant, a new sealing structure is formed in the sealing cavity, the leakage channel is blocked, and the effects of plugging and seepage prevention are achieved.
Chinese patent CN201720169U discloses an injection type area is pressed plugging device, including hydraulic cylinder, a rubber injection section of thick bamboo and plug valve are constituteed, set up first reset spring in hydraulic cylinder's the cavity, the helping hand bush, the second reset spring, the piston rod, the injecting glue rifle piston, the high pressure packing ring, O type sealing washer, the injecting glue rifle lid, injecting glue head and injecting glue gasket, an injecting glue section of thick bamboo is by the injecting glue cover, gun case connecting piece and injecting glue connecting piece are constituteed, the plug valve comprises injecting glue joint and cock valve bolt, from left to right be the plug valve in proper order, a rubber injection section of thick bamboo and hydraulic cylinder, the plug valve adopts bolted connection with an injecting glue section of thick bamboo, an injecting glue section of thick. Has the advantages of convenient use, safety, durability and convenient maintenance.
Chinese patent CN202199483U discloses a glue injection gun, including coaxial consecutive hydraulic means, glue storage gun, glue injection nozzle and injection valve, the ejector pin in the hydraulic means can be in the reciprocal linear motion in glue storage gun to form the stop valve structure with the glue injection nozzle inboard, glue storage gun's side is opened has the mouth of advancing glue, adopts threaded connection between glue injection nozzle and the injection valve. The hydraulic glue injection is realized, the labor efficiency is improved, and the labor intensity is reduced.
As known from the above patent documents, the hydraulic pump used in the glue injection gun includes manual, pneumatic and electric ones, and all apply high pressure to the glue to inject the glue into the cavity of the fixture. When the hydraulic pump is driven manually, the piston retraction mode comprises a spring return mode and a hydraulic return mode. The rubber injection valve needs to be closed, the oil pump unloading valve is opened, the piston is reset along with the reduction of oil pressure, and the spring is easy to deform after being used for many times, so that the piston cannot be reset. The hydraulic system is provided with a reversing valve to realize the switching of the oil inlet direction and the oil return direction, and is integrated with the pump, so that the glue injection and reversing processes need manual operation, the glue adding process needs manual completion, the workload is large, the manual operation is needed, the speed is low, and misoperation is easy to occur. When the glue injection gun is driven by pneumatic power and a motor, the equipment structure is complex, the maintenance is inconvenient, and the applicability is poor in occasions with higher requirements. In addition, the sealing of the rubber material inlet of the rubber injection barrel is not tight in the actual rubber injection process, so that the leakage of the feed inlet is easy to occur, the rubber material is wasted, and the working strength is increased.
Therefore, there is a need for an under-pressure leakage blocking device with easy operation, high efficiency, wide application range, good sealing effect of a glue injection cylinder during glue injection, simple structure and low working strength to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to design an injection type area is pressed plugging device, have that the injecting glue process is quick in succession, easy operation, working strength are low, practice thrift the advantage of sizing material.
The utility model discloses a following technical scheme realizes:
the glue injection gun comprises a glue injection gun, a hydraulic pump assembly and a reversing assembly, wherein the glue injection gun comprises a nozzle, a glue injection barrel, a sealing sleeve assembly and a hydraulic cylinder; the glue injection gun, the two-position four-way reversing valve and the hydraulic pump are communicated in sequence; the reversing assembly comprises a reversing handle, a connecting wire and a fixing piece.
The nozzle, the glue injection barrel, the sealing sleeve assembly and the hydraulic cylinder in the glue injection gun are sequentially connected, and the sealing sleeve assembly comprises two locking pieces and a sealing sleeve; the locking pieces are of annular structures and are arranged at two ends of the sealing sleeve, first pressing bosses are arranged on the inner rings of the locking pieces, and the first pressing bosses are provided with lowest points and gradually rise from the lowest points along the axial direction and the circumferential direction; the sealing sleeve can rotate, and a feeding hole of the sealing sleeve corresponds to a feeding hole of the glue injection sleeve and is used for adding glue; and two ends of the outer ring of the sealing sleeve are respectively provided with a second pressing boss, and the second pressing bosses are provided with peaks and gradually decrease from the peaks along the axial direction and the circumferential direction.
The sealing sleeve and the pressing piece are both provided with pressing bosses for sealing the glue injection cylinder; the pressing piece E and the pressing piece F are similar in structure, and the rotating directions are just opposite when the pressing piece E and the pressing piece F are used for sealing the glue injection cylinder; rotating the locking piece E anticlockwise and rotating the locking piece F clockwise, keeping the locking piece E and the locking piece F away from each other, loosening the sealing sleeve, rotating the sealing sleeve to enable a feed inlet of the sealing sleeve to be opposite to a feed inlet of the glue injection barrel, and adding glue into the glue injection barrel; the rotary seal sleeve makes its feed inlet and an injecting glue section of thick bamboo feed inlet back to back, and clockwise rotation locking piece E, anticlockwise rotation locking piece F, both are close to each other, and the retaining member compresses tightly the boss and seals sleeve and compresses tightly the boss cooperation, fixes sealing sleeve, plays sealed effect.
The hydraulic pump is a double-plunger hydraulic pump, the plunger comprises a plunger A and a plunger B, and a plunger cavity A1 and a plunger cavity B1 are matched with the two plungers; the plunger of the hydraulic pump vertically extends upwards to form a hydraulic pump cylinder body, the handle is connected with the hydraulic pump cylinder body through a hinge, the plunger A and the plunger B are respectively positioned on two sides of the handle hinge, and the tops of the plunger A and the plunger B are connected with the handle through the hinge, so that the plunger A and the plunger B move oppositely along the vertical direction when the handle is rotated.
Further, for better realization the utility model discloses, adopt the following structure that sets up very much: a check valve A2 is arranged in a pipeline of the plunger cavity A1 communicated with the hydraulic pump oil tank, and a check valve B2 is arranged in a pipeline of the plunger cavity B1 communicated with the hydraulic pump oil tank; a check valve A0 is arranged in a pipeline of the plunger cavity A1 communicated with the reversing valve, and a check valve B0 is arranged in a pipeline of the plunger cavity B1 communicated with the reversing valve.
Further, when the handle is rotated clockwise, the plunger A moves upwards, the plunger cavity A1 absorbs oil, the one-way valve A2 is opened, the one-way valve A0 is closed, and hydraulic oil flows into the plunger cavity A1 from the oil tank through the one-way valve A2; the plunger B moves downwards, the plunger cavity B1 discharges oil, the one-way valve B2 is closed, the one-way valve B0 is opened, hydraulic oil enters the reversing valve from the plunger cavity B1 through the one-way valve B0 and enters the rodless cavity of the hydraulic cylinder of the glue injection gun through the oil pipe to push the piston rod to move forwards, the glue rod is extruded and flows out of the nozzle to enter the clamp cavity; the hydraulic oil in the rod cavity of the hydraulic cylinder of the glue injection gun reaches the reversing valve through a pipeline and flows back to the oil tank.
Further, when the handle is rotated anticlockwise, the plunger A moves downwards, the plunger cavity A1 discharges oil, the one-way valve A2 is closed, the one-way valve A0 is opened, hydraulic oil enters the reversing valve from the plunger cavity A1 through the one-way valve A0 and enters the rodless cavity of the hydraulic cylinder of the glue injection gun through the oil pipe to push the piston rod to move forwards, the glue rod is extruded, flows out of the nozzle and enters the clamp cavity; the plunger B moves upwards, the plunger cavity B1 absorbs oil, the one-way valve B2 is opened, the one-way valve B0 is closed, and hydraulic oil enters the plunger cavity B1 from the oil tank through the one-way valve B2; hydraulic oil in a rod cavity of a hydraulic cylinder of the glue injection gun reaches the reversing valve through a pipeline and flows back to the oil tank; when the handle is rotated, continuous hydraulic oil enters the glue injection gun hydraulic cylinder, and glue injection is ensured to be continuous and uninterrupted.
The two-position four-way reversing valve is a spring reset type manual reversing valve, and the reversing valve is provided with a reversing rod; the reversing handle is positioned at the other end of the hydraulic pump handle, one end of the connecting wire is connected with the reversing handle, then passes through the fixing piece along the handle, reaches the reversing valve and is connected with the reversing rod; when the reversing handle does not act, the connecting line is loosened, the reversing valve does not operate, high-pressure oil enters a rodless cavity of the glue injection gun hydraulic cylinder, low-pressure oil in a rod cavity of the glue injection gun hydraulic cylinder enters the reversing valve through an oil pipe and flows back to an oil tank, the glue injection plug moves forwards, and glue materials are extruded to enter a clamp cavity; when the reversing handle acts, the connecting wire is tensioned and drives the reversing rod to rotate, the reversing valve moves and reverses, high-pressure oil enters a rod cavity of the glue injection gun hydraulic cylinder, low-pressure oil in a rodless cavity of the glue injection gun hydraulic cylinder enters the reversing valve through the oil pipe and flows back to the oil tank, the glue injection plug returns to the original position, and the next glue material is added.
When the structure is adopted, the pressurized plugging device can be used for high-altitude operation, and hydraulic oil is pumped into the glue injection gun through the operating handle, so that glue in the glue injection gun is extruded. Because of the adoption of the double-plunger hydraulic pump, the glue injection is continuous, the glue injection speed is accelerated, and the working efficiency is improved. Adopt the mode that retaining member and sealing sleeve boss compressed tightly to seal, when adding the sizing material, the left and right hands is rotatory simultaneously, the retaining member is kept away from and is loosened, the rotary seal sleeve makes its feed inlet relative with a injecting glue section of thick bamboo feed inlet, add the sizing material, the rotary seal sleeve makes its feed inlet and a injecting glue section of thick bamboo feed inlet dorsad, then the left and right hands is rotatory simultaneously, the retaining member is close to sealedly, the feed inlet is corresponding with the sizing material structure for it is easier to add the sizing material, the mode that the cooperation compressed tightly is sealed, sealed effect is better. Meanwhile, the reversing handle is operated at the handle, so that the reversing rod acts to achieve the purpose of reversing, the reversing is rapid and accurate, and the operation is labor-saving and easy.
Further, for realizing better the utility model discloses, adopt the following structure that sets up very much: the hydraulic pump is connected with a pressure gauge.
The utility model has the advantages of it is following and beneficial effect:
(1) in the utility model, because the double-plunger hydraulic pump is adopted, high-pressure oil can be injected into the hydraulic cylinder when the handle swings clockwise and anticlockwise, so that the glue injection is continuous and uninterrupted, the working efficiency is improved, and the labor intensity is reduced;
(2) in the utility model, the pressing piece is of an annular structure, two ends of the sealing sleeve in the axial direction are respectively provided with one pressing piece, the structure is similar, and the operation directions are opposite; the feed inlet of the sealing sleeve corresponds to the feed inlet of the glue injection barrel, and the axial two ends of the other side of the sealing sleeve are respectively provided with a pressing boss which corresponds to the pressing boss of the pressing piece and plays a role in sealing the feed inlet of the glue injection barrel;
(3) in the utility model, the two-position four-way reversing valve is a two-position four-way spring reset type manual reversing valve, the reversing rod is connected with the reversing handle at the handle through a connecting wire, the reversing handle does not move, the glue injection plug moves forwards, and the glue material is extruded to enter the clamp cavity; the reversing handle acts, the reversing rod rotates, and the rubber injection plug retreats; thus, the pressurization of the hydraulic pump and the reversing of the reversing valve can be simultaneously completed by one hand, and the accuracy of the operation is improved.
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 structural view of the injection type pressure plugging device;
FIG. 2 is a schematic structural view of the glue injection gun;
FIG. 3 is a schematic structural view of the hydraulic pump assembly;
FIG. 4 is a schematic structural view of the reversing assembly;
FIG. 5 is a schematic structural view of the glue injection barrel;
FIG. 6 is a schematic structural view of the sealing sleeve assembly;
FIG. 7(a) is a schematic view of a second compression boss configuration of the sealing sleeve;
FIG. 7(b) is a schematic view of the feed inlet structure of the sealing sleeve;
FIG. 8 is a schematic structural view of the pressing member;
labeled as:
1-a hydraulic pump assembly; 8-two-position four-way change valve; 8-1 reversing lever; 9-a handle; 10-a hydraulic pump; 10-1-oil tank;
2-a commutation component; 11 a fixing member; 12-a connecting line; 13-a reversing handle;
3-glue injection gun; 4-a nozzle; 5-glue injection cylinder; 6-sealing sleeve sealing assembly; 7-a hydraulic cylinder;
14-a feeding hole of the glue injection barrel;
6-sealing sleeve sealing assembly; 15-sealing the sleeve; 16-1-retaining member E; 16-2-locking member E;
17-sealing the sleeve locking boss;
18-sealing the sleeve feed opening;
19-locking the boss by the locking piece.
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.
Example (b):
the injection type under-pressure leakage blocking device has the advantages of continuous and rapid glue injection process, simple operation, low working strength and glue material saving. As shown in fig. 1 to 8, the following structure is particularly provided:
the glue injection gun comprises a glue injection gun 3, a hydraulic pump assembly 1 and a reversing assembly 2 which are sequentially arranged.
The glue injection gun 3 comprises a nozzle 4, a glue injection cylinder 5, a sealing cylinder assembly 6 and a hydraulic cylinder 7 which are sequentially arranged and communicated, and the nozzle 4 is connected with the glue injection cylinder 5, and the glue injection cylinder 5 is connected with the hydraulic cylinder 7 through threads.
The hydraulic pump assembly 1 comprises a two-position four-way reversing valve 8 and a hydraulic pump 10, the two-position four-way reversing valve 8 is a spring reset type manual reversing valve, a reversing rod is arranged on the left side of the reversing valve 8, and the reversing rod is connected with a valve core of the reversing valve; the hydraulic cylinder 7 is communicated with the two-position four-way reversing valve 8 through a high-pressure hose, and the high-pressure hose is detachably connected with the hydraulic cylinder 7 and the two-position four-way reversing valve 8 through quick connectors. When the structure is adopted, the two-position four-way reversing valve 8 and the hydraulic pump 10 are sequentially arranged, so that the pressurized plugging device is simple and compact in structure.
The hydraulic pump 10 is a double-plunger hydraulic pump, a plunger rod of the hydraulic pump 10 vertically extends upwards to form a cylinder body of the hydraulic pump 10, the plunger comprises a plunger A and a plunger B, a plunger cavity A1 and a plunger cavity B1 are matched with the two plungers, a handle 9 of the hydraulic pump is connected with the cylinder body of the hydraulic pump through a hinge, the plunger A and the plunger B are respectively positioned on two sides of the hinge of the handle 9, the tops of the plunger A and the plunger B are connected with the handle 9 through the hinge, and the two plungers are guaranteed to move oppositely along the vertical direction when the handle 9 is rotated; a one-way valve A2 is arranged in a pipeline of the plunger cavity A1 communicated with the oil tank 10-1, and a one-way valve B2 is arranged in a pipeline of the plunger cavity B1 communicated with the oil tank 10-1; a check valve A0 is arranged in a pipeline of the plunger cavity A1 communicated with the reversing valve, and a check valve B0 is arranged in a pipeline of the plunger cavity B1 communicated with the reversing valve.
When the arrangement structure is adopted, when the handle 9 is rotated clockwise, the plunger A moves upwards, the plunger cavity A1 absorbs oil, the one-way valve A2 is opened, the one-way valve A0 is closed, and hydraulic oil flows into the plunger cavity A1 from the oil tank 10-1 through the one-way valve A2; the plunger B moves downwards, the plunger cavity B1 discharges oil, the one-way valve B2 is closed, the one-way valve B0 is opened, hydraulic oil enters the reversing valve through the one-way valve B0 from the plunger cavity B1, enters the rodless cavity of the hydraulic cylinder 7 of the glue injection gun 33 through the oil pipe, pushes the piston rod to move forwards, the glue rod is extruded, flows out from the nozzle and enters the clamp cavity; hydraulic oil in a rod cavity of a hydraulic cylinder 7 of the glue injection gun 3 reaches a reversing valve 8 through a pipeline and flows back to an oil tank 10-1;
when the handle 9 is rotated anticlockwise, the plunger A moves downwards, the plunger cavity A1 discharges oil, the one-way valve A2 is closed, the one-way valve A0 is opened, hydraulic oil enters the reversing valve from the plunger cavity A1 through the one-way valve A0 and enters the rodless cavity of the hydraulic cylinder 7 of the glue injection gun 3 through the oil pipe to push the piston rod to move forwards, the glue rod is extruded, flows out from the nozzle and enters the clamp cavity; the plunger B moves upwards, the plunger cavity B1 absorbs oil, the one-way valve B2 is opened, the one-way valve B0 is closed, and hydraulic oil enters the plunger cavity B1 from the oil tank 10-1 through the one-way valve B2; hydraulic oil in a rod cavity of a hydraulic cylinder 7 of the glue injection gun 3 reaches a reversing valve 8 through a pipeline and flows back to an oil tank 10-1; when the handle 9 is rotated like this, have continuous hydraulic oil to get into 3 pneumatic cylinders 7 of injecting glue rifle, guarantee that the injecting glue is continuous, incessant.
A nozzle 4, a glue injection barrel 5, a sealing sleeve assembly 6 and a hydraulic cylinder 7 in the glue injection gun 3 are sequentially connected, and the sealing sleeve assembly 6 comprises two locking pieces 16 and a sealing sleeve 15; the locking piece 16 is of an annular structure and is arranged on the sealing sleeve 15, a first pressing boss 19 is arranged on the inner ring of the locking piece, and the first pressing boss 19 is provided with a lowest point and gradually rises from the lowest point along the axial direction and the circumferential direction; the sealing sleeve 15 can rotate, and a sealing sleeve feeding hole 18 corresponds to a glue injection tube feeding hole 14; two ends of the outer ring of the sealing sleeve 15 are respectively provided with a second pressing boss 17, and the second pressing bosses 17 are provided with peaks and gradually decrease from the peaks along the axial direction and the circumferential direction;
when the arrangement structure is adopted, the sealing sleeve 15 and the glue injection cylinder 5 are both provided with feed inlets for adding glue materials; the sealing sleeve 15 and the locking piece 16 are both provided with pressing bosses for sealing the glue injection cylinder 5; the locking piece E and the locking piece F are similar in structure, and when the locking piece E and the locking piece F are used for compressing the sealing sleeve 15, the rotating directions are opposite; rotating the locking piece E clockwise and the locking piece F anticlockwise, wherein the sealing sleeve 15 is not fixed, rotating the sealing sleeve 15 to enable the sealing sleeve feeding hole 18 to be opposite to the glue injection barrel feeding hole 14, and adding glue into the glue injection barrel 5; the sealing sleeve 5 is rotated, so that the sealing sleeve feed inlet 18 is opposite to the glue injection sleeve feed inlet 14, the locking piece E rotates anticlockwise, the locking piece F rotates clockwise, the locking piece 16 compresses the boss and the sealing sleeve 15 compresses the boss to be matched and compressed, the sealing sleeve 15 is fixed, and a sealing effect is achieved.
The reversing valve 8 is a two-position four-way spring reset type manual reversing valve, and the reversing valve 8 is provided with a reversing rod; the reversing handle 13 is positioned at the other end of the handle 9, one end of the connecting wire 12 is connected with the reversing handle 13, then passes through the fixing piece 11 along the handle 9 and reaches the reversing valve 8, and is connected with the reversing rod; when the reversing handle 13 does not act, the connecting wire 12 is loosened, the reversing valve 8 does not operate, high-pressure oil enters a rodless cavity of the hydraulic cylinder 7 of the glue injection gun 3, low-pressure oil in the cavity of the hydraulic cylinder 7 of the glue injection gun 3 enters the reversing valve 8 through an oil pipe and flows back to the oil tank 10-1, the glue injection plug moves forwards, and glue materials are extruded to enter a clamp cavity; when the reversing handle 13 acts, the connecting wire 12 is tensioned and drives the reversing rod to rotate, the reversing valve 8 moves and reverses, high-pressure oil enters the rod cavity of the hydraulic cylinder 7 of the glue injection gun 3, low-pressure oil in the rodless cavity of the hydraulic cylinder 7 of the glue injection gun 3 enters the reversing valve 8 through the oil pipe and flows back to the oil tank 10-1, and the glue injection plug returns to the original position to wait for adding the next glue material.
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 (5)
1. The utility model provides an injection type area is pressed plugging device which characterized in that: the glue injection gun comprises a glue injection gun (3), a hydraulic pump assembly (1) and a reversing assembly (2), wherein the glue injection gun (3) comprises a nozzle (4), a glue injection barrel (5), a sealing sleeve assembly (6) and a hydraulic cylinder (7); the hydraulic pump assembly (1) comprises a two-position four-way reversing valve (8), a hydraulic pump (10) and a handle (9), an oil tank (10-1) is arranged in the hydraulic pump, and the glue injection gun (3), the two-position four-way reversing valve (8) and the hydraulic pump (10) are communicated in sequence; the reversing assembly (2) comprises a reversing handle (13), a connecting wire (12) and a fixing piece (11).
2. The injection type pressure plugging device according to claim 1, wherein: a nozzle (4), a glue injection barrel (5), a sealing sleeve assembly (6) and a hydraulic cylinder (7) in the glue injection gun (3) are sequentially connected, and the sealing sleeve assembly (6) comprises a locking piece E (16-1), a locking piece F (16-2) and a sealing sleeve (15); the locking piece E (16-1) and the locking piece F (16-2) are of annular structures and are arranged on the sealing sleeve (15), a first pressing boss (19) is arranged on the inner ring of the locking piece E and the locking piece F, the first pressing boss (19) is provided with the lowest point, and the lowest point gradually rises along the axial direction and the circumferential direction; the sealing sleeve (15) can rotate, and a sealing sleeve feeding hole (18) corresponds to a glue injection barrel feeding hole (14); and the two axial ends of the outer ring of the sealing sleeve (15) are respectively provided with a second pressing boss (17), and the second pressing bosses (17) are provided with peaks and gradually decrease from the peaks along the axial direction and the circumferential direction.
3. The injection type pressure plugging device according to claim 1, wherein: the sealing sleeve (15) and the glue injection cylinder (5) are provided with feed inlets for adding glue materials; the sealing sleeve (15) and the locking piece (16) are respectively provided with a second pressing boss (17) and a first pressing boss (19) for sealing the glue injection cylinder (5); the locking piece E (16-1) and the locking piece F (16-2) are similar in structure, and the rotating directions are just opposite when the sealing sleeve (15) is compressed.
4. The injection type pressure plugging device according to claim 1, wherein: the hydraulic pump (10) is a double-plunger hydraulic pump and comprises a plunger A and a plunger B, and plunger cavities matched with the two plungers are a plunger cavity A1 and a plunger cavity B1 respectively; a plunger rod of the hydraulic pump (10) vertically extends upwards to form a hydraulic pump cylinder body, the handle (9) is connected with the cylinder body of the hydraulic pump (10) through a hinge, the plungers A and B are respectively positioned on two sides of the hinge of the handle (9), and the tops of the plungers A and B are connected with the handle (9) through the hinge, so that the plungers A and B can move oppositely along the vertical direction when the handle (9) is rotated; a check valve A2 is arranged in a pipeline of the plunger cavity A1 communicated with the oil tank (10-1), and a check valve B2 is arranged in a pipeline of the plunger cavity B1 communicated with the oil tank (10-1); a one-way valve A0 is arranged in a pipeline of the plunger cavity A1 communicated with the two-position four-way reversing valve (8), and a one-way valve B0 is arranged in a pipeline of the plunger cavity B1 communicated with the two-position four-way reversing valve (8).
5. An injection type pressure plugging device according to claim 2, characterized in that: the two-position four-way reversing valve (8) is a two-position four-way spring reset type manual reversing valve, the two-position four-way reversing valve (8) is provided with a reversing rod (8-1), the reversing handle (13) is located at the other end of the handle (9), one end of the connecting wire (12) is connected with the reversing handle (13), then the connecting wire penetrates through the fixing piece (11) along the handle (9) to reach the reversing valve (8), and the connecting wire is connected with the reversing rod (8-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921270067.1U CN211624575U (en) | 2019-08-07 | 2019-08-07 | Injection type under-pressure plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921270067.1U CN211624575U (en) | 2019-08-07 | 2019-08-07 | Injection type under-pressure plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624575U true CN211624575U (en) | 2020-10-02 |
Family
ID=72616542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921270067.1U Expired - Fee Related CN211624575U (en) | 2019-08-07 | 2019-08-07 | Injection type under-pressure plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624575U (en) |
-
2019
- 2019-08-07 CN CN201921270067.1U patent/CN211624575U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201148968Y (en) | Hydraulic end unit of reciprocating plunger pump | |
| CN101424281A (en) | Ultra-high pressure aqueous medium supercharger | |
| CN105697850B (en) | High reliability underwater gate valve executing agency | |
| CN211624575U (en) | Injection type under-pressure plugging device | |
| CN209587179U (en) | A kind of mud knife gate valve of rubber seal | |
| CN109681480B (en) | Supercharger and method for pipe end hydrostatic testing machine | |
| CN203830238U (en) | Manual hydraulic perfusion device | |
| CN212921889U (en) | Plugging device suitable for leakage of liquid cargo pump flange of small LNG transport ship | |
| CN205244729U (en) | Pipeline leak test closing device | |
| CN211203295U (en) | Submarine pipeline emergency clamp | |
| CN107940076B (en) | Forced closing slurry switching valve | |
| CN210950414U (en) | Glue injection type leakage blocking equipment | |
| CN209511409U (en) | A kind of pressure type pipeline speed leakage repair device | |
| CN208831367U (en) | A kind of hydraulic operated valve automatic reversing apparatus | |
| CN111365319A (en) | Novel hydraulic cylinder for hydraulic bulging | |
| CN201128671Y (en) | Anti-dripping liquid filling nozzle | |
| CN103115191B (en) | Non-glue-injection high-pressure leak point under-pressure plug device | |
| CN207049510U (en) | A kind of injection type leaking stoppage device with pressure | |
| CN102817820B (en) | Hydraulic drive type oil pumping suction booster | |
| CN104633379B (en) | A kind of pipeline fast plugging device based on hydraulic system | |
| CN213928991U (en) | Sealing structure of actuator cylinder of flight simulator | |
| CN219140492U (en) | Pneumatic quick-mounting valve fixture | |
| CN220769838U (en) | Locking oil cylinder with buffer cavity | |
| CN203628109U (en) | Self-sealing type quick hydraulic joint | |
| CN220415876U (en) | Hydraulic cylinder leakage-proof device and hydraulic cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 Termination date: 20210807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |