CN214939241U - A injection apparatus that is used for high-speed railway concrete bridge gap to spray caulking glue - Google Patents
A injection apparatus that is used for high-speed railway concrete bridge gap to spray caulking glue Download PDFInfo
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- CN214939241U CN214939241U CN202120954377.6U CN202120954377U CN214939241U CN 214939241 U CN214939241 U CN 214939241U CN 202120954377 U CN202120954377 U CN 202120954377U CN 214939241 U CN214939241 U CN 214939241U
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Abstract
The utility model discloses a spraying device that is used for high-speed railway concrete bridge gap to spray caulking glue, glue case, slurcam, air pump, gas conveying pipe, blast pipe, connecting device, injecting glue device and place the piece including shallow, storage, be equipped with the support frame on the shallow, the storage is glued the case and is located the support frame upper wall, store up and glue the case, place the piece and locate on the shallow, the air pump is located and is stored up and glue the case lateral wall, it glues the chamber to store up to glue the incasement, the slurcam slides and locates and store up and glue the intracavity, the slurcam is located and is stored up between the gluey case inside wall, gas conveying pipe locates on the storage glues the case, gas conveying pipe is the setting of falling U-shaped, the one end of gas conveying pipe is run through and is stored up and glues the case upper wall and store up gluey chamber intercommunication. The utility model belongs to the technical field of high-speed railway bridge maintenance of equipment, specifically provide a practicality is high, need not manual extrusion, protection nature is high and labour saving and time saving's an injection apparatus for high-speed railway concrete bridge gap sprays caulking glue.
Description
Technical Field
The utility model belongs to the technical field of high-speed railway bridge maintenance of equipment, specifically indicate a spray device that is used for high-speed railway concrete bridge gap to spray caulking glue.
Background
Along with the traffic is more and more flourishing, high-speed railway concrete bridge's construction is also more and more, but also appear thereupon that high-speed railway concrete bridge gap is difficult to handle the problem of repairing, to this type of problem, adopt the caulking to glue the injecting glue to carry out gap treatment work at present mostly, and current caulking glue injecting glue injection apparatus structure is comparatively simple, it is inconvenient to use, especially traditional injecting glue equipment most directly relies on the manual extrusion of user to carry out the injecting glue work, waste time and energy, the inside effectual protection that lacks of injecting glue equipment, cause the colloid seepage to injecting glue equipment inside easily, and the caulking tackiness is big, can influence the cleaning work of later stage to injecting glue equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing difficult problem, the utility model provides a practicality is high, need not manual extrusion, the high just labour saving and time saving's of protectiveness injection apparatus that is used for high-speed railway concrete bridge gap to spray caulking glue.
The utility model adopts the following technical scheme: the utility model discloses an injection apparatus for high-speed railway concrete bridge gap injection caulking glue, including shallow, glue storage box, pushing plate, air pump, gas delivery pipe, blast pipe, connecting device, injecting glue device and place the piece, be equipped with the support frame on the shallow, glue storage box locates the support frame upper wall, place the piece and locate on the shallow, the air pump is located glue storage box lateral wall, be equipped with the glue storage chamber in the glue storage box, pushing plate slides and locates in the glue storage chamber, pushing plate locates between the glue storage box inside wall, gas delivery pipe locates on glue storage box, gas delivery pipe is the setting of falling U-shaped, gas delivery pipe's one end runs through glue storage box upper wall and glue storage chamber intercommunication, gas delivery pipe's the other end locates the output of air pump, blast pipe runs through glue storage box upper wall and locates on glue storage box, the blast pipe bottom communicates with glue storage chamber, the exhaust pipe is provided with a first switch valve, the first switch valve is convenient for controlling the on-off state of the exhaust pipe so as to control the gas circulation in the glue storage cavity, the connecting device is arranged on the side wall of the glue storage box, and the glue injection device is clamped between the connecting device and the placing block; a glue injection input pipe is communicated with one side of the side wall of the glue storage box, which is close to the glue injection device, a switch valve II is arranged on the glue injection input pipe, the switch valve II is convenient for controlling the on-off state of the glue injection input pipe, and the glue injection input pipe is convenient for conveying glue into the glue storage cavity; opening the switch valve II and simultaneously opening the switch valve I, injecting glue into the glue storage cavity through the glue injection input pipe by caulking glue, continuously accumulating the glue upwards, pushing the push plate to move upwards by the glue, discharging gas in the glue storage cavity through the exhaust pipe, closing the switch valve I when the glue storage cavity is filled with the glue, injecting the gas into the glue storage cavity through the air pump, pushing the push plate to move downwards by the gas, and extruding the glue by the push plate to be discharged from the glue injection input pipe; the connecting device comprises a limiting block, a rotating screw rod and a connecting plate, the limiting block is respectively arranged on the side wall of the glue storage box, the rotating screw rod is arranged between the limiting blocks, the connecting plate is arranged on the rotating screw rod in a sliding manner, a placing groove is arranged in the placing block, the glue injecting device is clamped between the placing groove and the connecting plate, the glue injecting device comprises a glue injecting component and a glue injecting nozzle, the glue injecting nozzle is arranged on the bottom wall of the glue injecting component, the glue injecting component comprises a limiting connecting block, a telescopic sleeve column and a movable tube, a connecting pin shaft is arranged on the connecting plate in a rotating and penetrating manner, a screw hole is arranged on the limiting connecting block, the limiting connecting block is arranged on the bottom wall of the connecting plate, a connecting thread is arranged on the connecting pin shaft, the lower end of the connecting pin shaft is arranged in the screw hole, the connecting pin shaft is in threaded connection with the limiting connecting block through the screw hole, the limiting connecting block is arranged on the bottom wall of the connecting plate, and the connecting pin shaft is convenient for tight connection of the connecting plate and the limiting connecting block, the telescopic sleeve column is arranged on the bottom wall of the limit connecting block, a telescopic cavity is arranged in the telescopic sleeve column, the movable pipe penetrates through the bottom wall of the telescopic cavity and is arranged in the telescopic cavity in a sliding clamping manner, a spring is arranged on the upper wall in the telescopic cavity, the bottom wall of the spring is fixedly connected with a pressing plate, the pressing plate is arranged in the telescopic cavity in a sliding manner, a glue guiding connecting pipe is arranged on the side wall of the telescopic sleeve column and is communicated with the lower end of the telescopic cavity, the other end of the glue guiding connecting pipe is communicated with a threaded port, the outer wall of the glue injecting input pipe is provided with an external thread, the threaded port is in threaded connection with the glue injecting input pipe, the glue injecting input pipe and the glue guiding connecting pipe are detachably connected through the threaded port and the external thread, the glue guiding connecting pipe is convenient for injecting glue into the telescopic cavity through the glue injecting input pipe, one-way glue guiding valve is arranged at one end of the glue guiding connecting pipe, which is close to the glue injecting assembly, and the one-way glue guiding valve prevents the glue from flowing back into the glue storing cavity, be equipped with ooff valve three on the movable tube, close ooff valve three, carry out threaded connection through leading gluey connecting pipe and injecting glue input tube exit end, the colloid of storing up gluey intracavity gets into flexible intracavity through leading gluey connecting pipe, the colloid constantly upwards piles up promotion clamp plate upward movement, the clamp plate promotes the spring and overcomes self elasticity and upwards compresses, when filling up the colloid in flexible intracavity, open ooff valve three, single-direction ooff valve avoids to storing up gluey intracavity backward flow simultaneously, the spring resumes self elasticity and promotes the clamp plate downstream, the clamp plate promotes the colloid and follows flexible chamber in proper order, spout in movable tube and the spout mouth, thereby to high-speed railway concrete bridge gap spout gluey work.
Further, the cart comprises a bottom plate, a frame and universal wheels, the universal wheels are symmetrically arranged on the bottom wall of the bottom plate, the frame is arranged at one end of the bottom plate, and the cart is convenient to push and move.
Furthermore, the connecting plate upper wall is equipped with the handle, drives connecting plate and injecting glue device through the handle and slides on rotating the screw rod.
Furthermore, the glue spraying nozzle is arranged in an inverted frustum shape, so that the glue can be conveniently led out.
Further, place the piece upper wall and be equipped with the guide way, the guide way is the setting of inverted circular truncated cone shape, guide way and standing groove intercommunication, guide way and standing groove are convenient for spout placing and accomodating of glue nozzle after using the completion.
Further, store up gluey case lateral wall and be equipped with switch and controller respectively, the controller respectively with switch, air pump electric connection.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme is used for high-speed railway concrete bridge gap to spray injection apparatus that caulking was glued simple structure, adopt the air pump as the power supply, through controller control air pump to glue the incasement injection air of storage, promote the catch plate and compress the colloid downwards, through leading gluey connecting pipe with the leading-in injecting glue device of colloid, through the very big use that has made things convenient for the injecting glue device of connecting device, it is more convenient that the device makes the injecting glue device remove through the shallow, the standing groove is convenient for spout placing and accomodating of gluey mouth after using the completion, can effectively improve the work efficiency that the caulking was sprayed in the gap, artificial use has been reduced, construction cost is reduced.
Drawings
FIG. 1 is a front view of the injection device for injecting caulking compound into the gap of a concrete bridge of a high-speed railway of the present invention;
fig. 2 is a perspective view of the utility model discloses a injection apparatus for high-speed railway concrete bridge gap sprays caulking glue.
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the attached drawings, 1, a cart, 2, a glue storage box, 3, an air pump, 4, an air conveying pipe, 5, an exhaust pipe, 6, a connecting device, 7, a glue injection device, 8, a placing block, 9, a glue storage cavity, 10, a first switch valve, 11, a glue injection input pipe, 12, a second switch valve, 13, a limiting block, 14, a rotating screw, 15, a connecting plate, 16, a glue injection assembly, 17, a glue injection nozzle, 18, a limiting connecting block, 19, a telescopic sleeve column, 20, a movable pipe, 21, a connecting pin shaft, 22, a telescopic cavity, 23, a spring, 24, a pressing plate, 25, a glue guide connecting pipe, 26, a one-way glue guide valve, 27, a third switch valve, 28, a bottom plate, 29, a frame, 30, a universal wheel, 31, a handle, 32, a placing groove, 33, a guide groove, 34, a switch, 35, a controller, 36, a supporting frame, 37 and a pushing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figures 1 and 2, the utility model discloses a spraying device for high-speed railway concrete bridge gap spraying caulking compound, including shallow 1, glue storage box 2, air pump 3, gas conveying pipe 4, blast pipe 5, connecting device 6, injecting glue device 7 and placing block 8, be equipped with support frame 36 on the shallow 1, glue storage box 2 is located the support frame 36 upper wall, placing block 8 is located on shallow 1, air pump 3 is located glue storage box 2 lateral wall, be equipped with glue storage chamber 9 in glue storage box 2, push plate 37 slides and locates in glue storage chamber 9, push plate 37 is located between glue storage box 2 inside wall, gas conveying pipe 4 is located glue storage box 2, gas conveying pipe 4 is the setting of falling U-shaped, one end of gas conveying pipe 4 runs through glue storage box 2 upper wall and is linked with glue storage chamber 9, the other end of gas conveying pipe 4 is located the output of air pump 3, the exhaust pipe 5 penetrates through the upper wall of the glue storage box 2 and is arranged on the glue storage box 2, the bottom end of the exhaust pipe 5 is communicated with the glue storage cavity 9, a first switch valve 10 is arranged on the exhaust pipe 5, the connecting device 6 is arranged on the side wall of the glue storage box 2, and the glue injection device 7 is clamped between the connecting device 6 and the placing block 8; a glue injection input pipe 11 is communicated with one side of the side wall of the glue storage box 2 close to the glue injection device 7, and a second switch valve 12 is arranged on the glue injection input pipe 11; the connecting device 6 comprises limiting blocks 13, rotating screw rods and connecting plates 15, the limiting blocks 13 are respectively arranged on the side walls of the glue storage boxes 2, the rotating screw rods are arranged between the limiting blocks 13, the connecting plates 15 are slidably arranged on the rotating screw rods, a placing groove 32 is arranged in the placing block 8, the glue injecting device 7 is clamped between the placing groove 32 and the connecting plates 15, the glue injecting device 7 comprises a glue injecting assembly and a glue injecting nozzle 17, the glue injecting nozzle 17 is arranged on the bottom wall of the glue injecting assembly, the glue injecting assembly comprises a limiting connecting block 18, a telescopic sleeve column 19 and a movable pipe 20, a connecting pin shaft 21 is rotatably arranged on the connecting plates 15 in a penetrating mode, a screw hole is formed in the limiting connecting block 18, the limiting connecting block 18 is arranged on the bottom wall of the connecting plates 15, connecting threads are arranged on the connecting pin shaft 21, the lower end of the connecting pin shaft 21 is arranged in the screw hole, and the connecting pin shaft 21 is in threaded connection with the limiting connecting block 18 through the screw hole, the limiting connecting block 18 is arranged on the bottom wall of the connecting plate 15, the telescopic sleeve column 19 is arranged on the bottom wall of the limiting connecting block 18, a telescopic cavity 22 is arranged in the telescopic sleeve column 19, the movable pipe 20 penetrates through the bottom wall of the telescopic cavity 22 and is arranged in the telescopic cavity 22 in a sliding clamping manner, a spring 23 is arranged on the upper wall in the telescopic cavity 22, a pressing plate 24 is fixedly connected to the bottom wall of the spring 23, the pressing plate 24 is arranged in the telescopic cavity 22 in a sliding manner, a glue guiding connecting pipe 25 is arranged on the side wall of the telescopic sleeve column 19, the glue guiding connecting pipe 25 is communicated with the lower end of the telescopic cavity 22, a thread port is communicated with the other end of the glue guiding connecting pipe 25, an external thread is arranged on the outer wall of the glue injection input pipe 11, the thread port is in threaded connection with the glue injection input pipe 11, the glue injection input pipe 11 and the glue guiding connecting pipe 25 are detachably connected through the thread port and the external thread, a single-guide glue valve 26 is arranged at one end of the glue guiding connecting pipe 25 close to the glue injection assembly, and a third switch valve 27 is arranged on the movable pipe 20.
The cart 1 comprises a bottom plate 28, a frame 29 and universal wheels 30, wherein the universal wheels 30 are symmetrically arranged on the bottom wall of the bottom plate 28, and the frame 29 is arranged at one end of the bottom plate 28; the upper wall of the connecting plate 15 is provided with a handle 31; the glue spraying nozzle 17 is arranged in an inverted frustum shape; place the piece 8 upper wall and be equipped with guide way 33, guide way 33 is the setting of inverted circular truncated cone shape, guide way 33 and standing groove 32 intercommunication: store up gluey case 2 lateral wall and be equipped with switch 34 and controller 35 respectively, controller 35 respectively with switch 34, air pump 3 electric connection.
When the device is used specifically, the cart 1 is used for placing the device at a proper position, firstly injecting glue into the glue storage box 2, detaching a threaded port on the glue guide connecting pipe 25 from the outlet end of the glue injection input pipe 11, opening the second switch valve 12, simultaneously opening the first switch valve 10, injecting glue into the glue storage cavity 9 through the glue injection input pipe 11 by caulking glue, continuously accumulating the glue upwards, pushing the push plate 37 to move upwards by the glue, discharging gas in the glue storage cavity 9 through the exhaust pipe 5, when the glue storage cavity 9 is filled with glue, closing the first switch valve 10, simultaneously connecting the glue guide connecting pipe 25 with the outlet end of the glue injection input pipe 11 through the threaded port in a threaded manner, then closing the third switch valve 27, triggering the controller 35 by the starting switch 34 to control the air pump 3 to inject gas into the glue storage cavity 9 by the controller 35, pushing the gas push plate 37 to move downwards, pushing the push plate 37 to extrude the glue to be discharged from the glue injection input pipe 11, the colloid in the colloid storage cavity 9 enters the telescopic cavity 22 through the colloid guide connecting pipe 25, the colloid is continuously accumulated upwards to push the pressing plate 24 to move upwards, the pressing plate 24 pushes the spring 23 to overcome the self elasticity to compress upwards, when the telescopic cavity 22 is filled with glue, the handle 31 drives the connecting plate 15 and the glue injection device 7 to slide on the rotating screw 14, so that the glue injection device 7 is taken out of the placing groove 32, the connecting pin 21 on the connecting plate 15 is taken down to separate the glue injection device 7 from the connecting plate 15, a user holds the glue injection device 7 and aligns the glue spraying nozzle 17 at a gap to be repaired, the switch valve III 27 is opened, meanwhile, the unidirectional glue guide valve 26 prevents the glue from flowing back into the glue storage cavity 9, the spring 23 restores the elasticity of the spring to push the pressing plate 24 to move downwards, and the pressing plate 24 pushes the glue to be sprayed out from the telescopic cavity 22, the movable pipe 20 and the glue spraying nozzle 17 in sequence, so that the glue spraying work is carried out on the gap of the concrete bridge of the high-speed railway; spout gluey back that finishes, it is close to placing piece 8 to drive glue injection device 7 through handle 31 and connecting device 6 upper and lower slip, place glue injection device 7 spout gluey mouth 17 in standing groove 32 through guide way 33, standing groove 32 is convenient for spout placing and accomodating after gluey mouth 17 uses the completion, through connecting pin axle 21 to glue injection device 7 and connecting plate 15 between fix can, the device practicality is high, it spouts gluey to need not manual extrusion, the protectiveness is high and labour saving and time saving, can effectively improve the work efficiency that the caulking was sprayed in the gap, artificial use has been reduced, construction cost is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a injection apparatus that is used for high-speed railway concrete bridge gap to spray caulking glue which characterized in that: the glue storage trolley comprises a trolley, a glue storage box, a pushing plate, an air pump, an air conveying pipe, an exhaust pipe, a connecting device, a glue injection device and a placing block, wherein the trolley is provided with a support frame, the glue storage box is arranged on the upper wall of the support frame, the placing block is arranged on the trolley, the air pump is arranged on the side wall of the glue storage box, a glue storage cavity is arranged in the glue storage box, the pushing plate is slidably arranged in the glue storage cavity, the pushing plate is arranged between the inner side walls of the glue storage box, the air conveying pipe is arranged on the glue storage box, the air conveying pipe is arranged in an inverted U shape, one end of the air conveying pipe penetrates through the upper wall of the glue storage box and is communicated with the glue storage cavity, the other end of the air conveying pipe is arranged at the output end of the air pump, the exhaust pipe penetrates through the upper wall of the glue storage box and is arranged on the glue storage box, the bottom end of the exhaust pipe is communicated with the glue storage cavity, the exhaust pipe is provided with a first switch valve, the connecting device is arranged on the side wall of the glue storage box, the glue injection device is arranged between the connecting device and the placing block; a glue injection input pipe is communicated with one side of the side wall of the glue storage box, which is close to the glue injection device, and a switch valve II is arranged on the glue injection input pipe; the connecting device comprises a limiting block, a rotating screw rod and a connecting plate, the limiting block is respectively arranged on the side wall of the glue storage box, the rotating screw rod is arranged between the limiting blocks, the connecting plate is arranged on the rotating screw rod in a sliding manner, the connecting plate is in threaded connection with the rotating screw rod, a placing groove is arranged in the placing block, the glue injecting device is clamped between the placing groove and the connecting plate, the glue injecting device comprises a glue injecting assembly and a glue injecting nozzle, the glue injecting nozzle is arranged on the bottom wall of the glue injecting assembly, the glue injecting assembly comprises a limiting connecting block, a telescopic sleeve column and a movable pipe, a connecting pin shaft is arranged on the connecting plate in a rotating and penetrating manner, the upper wall of the limiting connecting block is provided with a screw hole, a connecting thread is arranged on the connecting pin shaft, the lower end of the connecting pin shaft is arranged in the screw hole, the connecting pin is in threaded connection with the limiting connecting block through the screw hole, the limiting connecting block is arranged on the bottom wall of the connecting plate, and the telescopic sleeve column is arranged on the bottom wall of the limiting connecting block in a rotating manner, be equipped with flexible chamber in the flexible socle, the expansion pipe runs through flexible chamber diapire slip joint and locates flexible intracavity, flexible intracavity upper wall is equipped with the spring, spring diapire rigid coupling is equipped with the clamp plate, and the clamp plate slides and locates flexible intracavity, flexible socle lateral wall is equipped with leads gluey connecting pipe, lead gluey connecting pipe and flexible chamber lower extreme intercommunication, the other end intercommunication of leading gluey connecting pipe is equipped with the screw thread port, and the outer wall of injecting glue input tube is equipped with the external screw thread, and screw thread port and injecting glue input tube threaded connection, injecting glue input tube and lead gluey connecting pipe and pass through screw thread port and external screw thread detachable connection, the one end that leads the gluey connecting pipe to be close to the injecting glue subassembly is equipped with one-way and leads gluey valve, be equipped with ooff valve three on the expansion pipe.
2. The spraying device for spraying the caulking compound to the gap of the concrete bridge of the high-speed railway according to claim 1, is characterized in that: the cart comprises a bottom plate, a frame and universal wheels, wherein the universal wheels are symmetrically arranged on the bottom wall of the bottom plate, and the frame is arranged at one end of the bottom plate.
3. The spraying device for spraying the caulking compound to the gap of the concrete bridge of the high-speed railway according to claim 1, is characterized in that: the upper wall of the connecting plate is provided with a handle.
4. The spraying device for spraying the caulking compound to the gap of the concrete bridge of the high-speed railway according to claim 1, is characterized in that: the glue spraying nozzle is arranged in an inverted frustum shape.
5. The spraying device for spraying the caulking compound to the gap of the concrete bridge of the high-speed railway according to claim 1, is characterized in that: the placing block is characterized in that a guide groove is formed in the upper wall of the placing block, the guide groove is in an inverted frustum shape, and the guide groove is communicated with the placing groove.
6. The spraying device for spraying the caulking compound to the gap of the concrete bridge of the high-speed railway according to claim 1, is characterized in that: the side wall of the glue storage box is respectively provided with a switch and a controller, and the controller is respectively electrically connected with the switch and the air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120954377.6U CN214939241U (en) | 2021-05-07 | 2021-05-07 | A injection apparatus that is used for high-speed railway concrete bridge gap to spray caulking glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120954377.6U CN214939241U (en) | 2021-05-07 | 2021-05-07 | A injection apparatus that is used for high-speed railway concrete bridge gap to spray caulking glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214939241U true CN214939241U (en) | 2021-11-30 |
Family
ID=79062544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120954377.6U Expired - Fee Related CN214939241U (en) | 2021-05-07 | 2021-05-07 | A injection apparatus that is used for high-speed railway concrete bridge gap to spray caulking glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214939241U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114481753A (en) * | 2022-01-11 | 2022-05-13 | 江苏增光新材料科技股份有限公司 | Sand-containing fog seal construction device |
| CN114790683A (en) * | 2022-04-12 | 2022-07-26 | 包三全 | Anti-deformation bridge expansion joint filling and glue injection equipment |
| CN117266568A (en) * | 2023-11-10 | 2023-12-22 | 中铁四局集团有限公司 | Joint filling construction method for connecting joints of assembled building wallboard |
-
2021
- 2021-05-07 CN CN202120954377.6U patent/CN214939241U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114481753A (en) * | 2022-01-11 | 2022-05-13 | 江苏增光新材料科技股份有限公司 | Sand-containing fog seal construction device |
| CN114790683A (en) * | 2022-04-12 | 2022-07-26 | 包三全 | Anti-deformation bridge expansion joint filling and glue injection equipment |
| CN117266568A (en) * | 2023-11-10 | 2023-12-22 | 中铁四局集团有限公司 | Joint filling construction method for connecting joints of assembled building wallboard |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |