CN221131912U - Environment-friendly pollution-free concrete stone-exposing agent preparation device - Google Patents

Environment-friendly pollution-free concrete stone-exposing agent preparation device Download PDF

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Publication number
CN221131912U
CN221131912U CN202322998326.5U CN202322998326U CN221131912U CN 221131912 U CN221131912 U CN 221131912U CN 202322998326 U CN202322998326 U CN 202322998326U CN 221131912 U CN221131912 U CN 221131912U
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China
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fixedly connected
pipe
bevel gear
rotating
connecting pipe
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CN202322998326.5U
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Chinese (zh)
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杨欣生
赵艳鹏
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Beijing Yangrunhua Technology Development Co ltd
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Beijing Yangrunhua Technology Development Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The utility model relates to the technical field of stone exposure preparation, in particular to an environment-friendly pollution-free concrete stone exposure preparation device which comprises a tank body, wherein the circumferential surface of the tank body is fixedly connected with a feed hopper, a discharge hopper and an electromagnetic valve, the inside of the tank body is rotationally connected with a rotary pipe, the circumferential surface of the rotary pipe is provided with a driving mechanism, the circumferential surface of the rotary pipe is fixedly connected with a stirring pipe, the stirring pipe is communicated with the rotary pipe, the interiors of the rotary pipe and the stirring rod are provided with sealing assemblies, the sealing assemblies are used for sealing the stirring pipe, the upper end of the rotary pipe is provided with a first cleaning assembly, and the interior of the tank body is provided with a second cleaning assembly. According to the utility model, under the mutual matching of the first cleaning component and the second cleaning component, not only can the inner wall of the tank body be cleaned, but also the rotating pipe and the stirring pipe can be washed, so that the whole equipment can be cleaned more cleanly and thoroughly, and the cleaning effect of the whole equipment can be improved.

Description

Environment-friendly pollution-free concrete stone-exposing agent preparation device
Technical Field
The utility model relates to the technical field of preparation of stone-exposing agents, in particular to an environment-friendly pollution-free concrete stone-exposing agent preparation device.
Background
The concrete surface stone exposing agent is mainly used for exposing concrete aggregate, and is used for treating buildings, concrete member joints, tail ends or continuous construction; the method of milling, planing, chiseling, filing and the like is not needed, the rough and firm concrete surface exposed from the bone material can be connected with the newly poured concrete into a whole, and the firm and crack-free connection interface is ensured.
When the stone exposing agent is required to be produced, a stirring device is required to be used, the stirring device on the market at present is single, for example, patent document with the publication number of CN210171276U discloses a high-efficiency mixing device for producing the stone exposing agent for PC components, after the stone exposing agent materials are mixed, external discharging equipment can be connected through a discharging hole, thereby discharging work is convenient, when residues appear on the inner wall of the device after mixing and stirring, a water pump is arranged below a water tank, and the water pump is connected with a cleaning pipe, water can be absorbed from the water tank through the arranged water pump, clean water in the water tank is conveyed to the cleaning pipe, a plurality of evenly distributed high-pressure spray heads are arranged on the outer wall of the cleaning pipe, and the clean water can be sprayed out at high pressure through the arranged high-pressure spray heads, so that residues are prevented from being detained on the inner wall of an outer shell, and the flushed residues can be recycled again, so that material waste is reduced, and resource utilization rate is improved.
However, when the above-mentioned patent is used, although the clean water sprayed from the high-pressure spray head can wash the inner wall of the shell, the concrete stone remover attached to the stirring shaft cannot be washed, so that the cleaning effect of the whole equipment is poor, and therefore, it is required to design an environment-friendly pollution-free concrete stone remover preparation device.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides an environment-friendly pollution-free concrete stone-exposing agent preparation device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an environmental protection pollution-free concrete dew stone agent preparation facilities, includes the jar body, the circumference fixedly connected with feeder hopper of jar body, row's hopper and solenoid valve, solenoid valve and row's hopper fixed connection, row's hopper is located the lower extreme of feeder hopper, the inside rotation of jar body is connected with the swinging tube, actuating mechanism is installed to the circumference of swinging tube, the circumference fixedly connected with agitator tube of swinging tube, the agitator tube is linked together with the swinging tube, the internally mounted of swinging tube and puddler has seal assembly, seal assembly is used for sealing the agitator tube, first cleaning assembly is installed to the upper end of swinging tube, the internally mounted of jar body has the second cleaning assembly;
The first cleaning assembly comprises a first water tank, a first water pump and a first connecting pipe, wherein the first water tank is fixedly connected to the circumferential surface of the tank body, the first water pump is fixedly connected to the left end of the first water tank, the water inlet end of the first water pump is connected with the first water tank and communicated with the first water tank, the first connecting pipe is fixedly connected to the water outlet end of the first water pump, and one end of the first connecting pipe far away from the first water pump is rotationally connected with the rotating pipe;
The second cleaning assembly comprises a second water tank, a second water pump, a second connecting pipe and a spray head, wherein the second water tank is fixedly connected with the circumferential surface of the tank body, the second water tank is positioned at the rear end of the tank body, the upper end of the second water tank is fixedly connected with the second water pump, the water inlet end of the second water pump extends downwards to the bottom end of the inside of the second water tank, the water outlet end of the second water tank is fixedly connected with the second connecting pipe, the second connecting pipe extends downwards to the tank body and is fixedly connected with the tank body, the spray head is fixedly connected with the circumferential surface of the second connecting pipe, and the spray heads are arranged in a plurality and distributed up and down and are fixedly connected with the second connecting pipe.
Further, the spray head gradually inclines downwards from top to bottom and faces the stirring pipe.
Further, the upper end fixedly connected with support frame of jar body, first connecting pipe runs through the support frame, and support frame and first connecting pipe fixed connection.
Further, the driving mechanism comprises a motor, a driving wheel, a belt and a driven wheel, wherein the circumferential surface of the tank body is fixedly connected with the motor, the output shaft end of the motor is fixedly connected with the driving wheel, the circumferential surface of the rotating tube is fixedly connected with the driven wheel, and the driving wheel is connected with the driven wheel through the belt.
Further, seal assembly includes pivot, third bevel gear, second bevel gear, first bevel gear, dwang, first backup pad, second backup pad, two-way threaded rod, screw thread section of thick bamboo, sealing ball and sealing seat, the first backup pad of inner wall fixedly connected with of dwang, first backup pad is provided with a plurality of, and even being located the dwang, each the inside of first backup pad is all rotated and is connected with the dwang, each the equal fixedly connected with first bevel gear in upper and lower both ends of dwang, the inner wall fixedly connected with second backup pad and the sealing seat of dwang, the inside rotation of second backup pad is connected with two-way threaded rod, two-way threaded rod's circumference fixedly connected with second bevel gear, second bevel gear and first bevel gear meshing, two-way threaded rod's circumference face threaded connection has a screw thread section of thick bamboo, the screw thread section of thick bamboo is located the agitator, the one end fixedly connected with sealing ball of keeping away from the dwang, sealing ball and sealing seat mutually support, the inside rotation of dwang is connected with the pivot, the one end fixedly connected with bevel gear that is close to the dwang, the third bevel gear is located with the first bevel gear meshing.
Further, the one end fixedly connected with guide bar of rotation pipe is kept away from to the second backup pad, the circumference fixedly connected with otic placode of screw thread section of thick bamboo, the guide bar runs through the otic placode, and otic placode and guide bar sliding connection.
The utility model has the following beneficial effects:
1. Compared with the prior art, this environmental protection pollution-free concrete dew stone agent preparation facilities through the mutually supporting under first cleaning element and second cleaning element, not only can wash jar internal wall, can also wash rotatory pipe and agitator arm for whole equipment can be abluent more totally thoroughly like this, and then can improve whole equipment's cleaning performance.
2. Compared with the prior art, the environment-friendly pollution-free concrete stone remover preparation device has the advantages that under the action of the sealing component, one end of the stirring pipe can be sealed when the concrete stone remover is prepared without mixing and stirring, so that the concrete stone remover can be prevented from entering the stirring pipe, and the use of the stirring pipe is influenced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a front view of an environment-friendly pollution-free concrete stone remover preparation device;
FIG. 2 is a schematic diagram of the whole structure of the rear view of the device for preparing the environment-friendly pollution-free concrete stone remover;
FIG. 3 is a schematic diagram of the environment-friendly pollution-free concrete stone remover preparation device after left-hand section;
FIG. 4 is a schematic diagram of the construction of the environmental protection pollution-free concrete stone remover preparation device after right-side cross section;
FIG. 5 is an enlarged schematic view of the construction of the apparatus for preparing environmentally friendly and pollution-free concrete stone remover in FIG. 4;
FIG. 6 is an enlarged schematic view of the construction of the apparatus for preparing environmentally friendly and pollution-free concrete stone remover in FIG. 4;
fig. 7 is an enlarged schematic structural view of C in fig. 4 of an environment-friendly pollution-free concrete stone remover preparation device according to the present utility model.
Legend description:
1. a tank body; 2. a feed hopper; 3. a discharge hopper; 4. an electromagnetic valve; 5. a motor; 6. a driving wheel; 7. a belt; 8. driven wheel; 9. a first water tank; 10. a first water pump; 11. a first connection pipe; 12. a rotary tube; 13. a second water tank; 14. a second water pump; 15. a second connection pipe; 16. a spray head; 17. a stirring tube; 18. ear plates; 19. a rotating shaft; 20. a first bevel gear; 21. a rotating lever; 22. a first support plate; 23. a second bevel gear; 24. a sealing ball; 25. a sealing seat; 26. a two-way threaded rod; 27. a thread cylinder; 28. a second support plate; 29. a guide rod; 30. and a third bevel gear.
Detailed Description
Referring to fig. 1-7, the environment-friendly pollution-free concrete stone exposure preparation device provided by the utility model comprises a tank body 1, wherein a feeding hopper 2, a discharging hopper 3 and an electromagnetic valve 4 are fixedly connected to the circumferential surface of the tank body 1, the electromagnetic valve 4 is fixedly connected with the discharging hopper 3, the discharging hopper 3 is positioned at the lower end of the feeding hopper 2, a rotating pipe 12 is rotatably connected to the inside of the tank body 1, a driving mechanism is arranged on the circumferential surface of the rotating pipe 12, a stirring pipe 17 is fixedly connected to the circumferential surface of the rotating pipe 12, the stirring pipe 17 is communicated with the rotating pipe 12, a sealing component is arranged in the rotating pipe 12 and the stirring rod, the sealing component is used for sealing the stirring pipe 17, a first cleaning component is arranged at the upper end of the rotating pipe 12, and a second cleaning component is arranged in the tank body 1;
The first cleaning assembly comprises a first water tank 9, a first water pump 10 and a first connecting pipe 11, the first water tank 9 is fixedly connected to the circumferential surface of the tank body 1, the first water pump 10 is fixedly connected to the left end of the first water tank 9, the water inlet end of the first water pump 10 is connected with the first water tank 9 and communicated with each other, the first connecting pipe 11 is fixedly connected to the water outlet end of the first water pump 10, and one end, far away from the first water pump 10, of the first connecting pipe 11 is rotationally connected with the rotating pipe 12;
The second cleaning component comprises a second water tank 13, a second water pump 14, a second connecting pipe 15 and a spray head 16, the second water tank 13 is fixedly connected to the circumferential surface of the tank body 1, the second water tank 13 is located at the rear end of the tank body 1, the second water pump 14 is fixedly connected to the upper end of the second water tank 13, the water inlet end of the second water pump 14 extends downwards to the bottom end inside the second water tank 13, the second connecting pipe 15 is fixedly connected to the drain end of the second water tank 13, the second connecting pipe 15 extends downwards into the tank body 1 and is fixedly connected with the tank body 1, the spray heads 16 are fixedly connected to the circumferential surface of the second connecting pipe 15, and the spray heads 16 are arranged in a plurality and distributed vertically and are fixedly connected with the second connecting pipe 15.
When the device is in operation, the inner wall of the tank body 1 can be cleaned, and the rotating pipe 12 and the stirring pipe 17 can be washed, so that the whole device can be cleaned more cleanly and thoroughly, and the cleaning effect of the whole device can be improved.
Further, the shower head 16 gradually slopes downward from top to bottom and toward the stirring pipe 17.
In operation, this reduces the chance of material from the interior of the tank 1 for preparing the concrete stone exposure agent entering the interior of the spray head 16.
Further, the upper end fixedly connected with support frame of jar body 1, first connecting pipe 11 runs through the support frame, and support frame and first connecting pipe 11 fixed connection.
During operation, under the effect of support frame for first connecting pipe 11 can be stable with jar body 1 connection, first connecting pipe 11 can also be stable with rotate the union coupling 12 simultaneously.
Further, the driving mechanism comprises a motor 5, a driving wheel 6, a belt 7 and a driven wheel 8, the circumferential surface of the tank body 1 is fixedly connected with the motor 5, the output shaft end of the motor 5 is fixedly connected with the driving wheel 6, the circumferential surface of the rotary pipe 12 is fixedly connected with the driven wheel 8, and the driving wheel 6 is connected with the driven wheel 8 through the belt 7.
When the motor 5 works, the driving wheel 6 can be driven to rotate, the driven wheel 8 can be driven to rotate under the action of the belt 7, and the rotating tube 12 is driven to rotate, so that the driving mechanism can provide power for the rotating operation of the rotating tube 12.
Further, the seal assembly includes pivot 19, third bevel gear 30, second bevel gear 23, first bevel gear 20, dwang 21, first backup pad 22, second backup pad 28, two-way threaded rod 26, screw thread section of thick bamboo 27, sealing ball 24 and sealing seat 25, the inner wall fixedly connected with first backup pad 22 of dwang 12, first backup pad 22 is provided with a plurality of, and even being located in the dwang 12, the inside of each first backup pad 22 all rotates and is connected with dwang 21, the upper and lower both ends of each dwang 21 all fixedly connected with first bevel gear 20, the inner wall fixedly connected with second backup pad 28 and sealing seat 25 of dwang 21, the inside rotation of second backup pad 28 is connected with two-way threaded rod 26, the circumference fixedly connected with second bevel gear 23 of two-way threaded rod 26, second bevel gear 23 meshes with first bevel gear 20, the circumference threaded connection of two-way threaded rod 26 has screw thread section of thick bamboo 27, screw thread section of thick bamboo 27 is located the agitator 17, the one end fixedly connected with sealing ball 24 of keeping away from the dwang 12, sealing ball 24 and sealing seat 25 mutually support, the inside rotation connection of dwang 12 has second backup pad 28 and sealing seat 21, the inside rotation connection has second bevel gear 28 to be close to third bevel gear 19 to the first bevel gear 20 of rotating, 30 is located the first bevel gear 30 fixedly meshes with the top bevel gear 20.
When the concrete mixing stirring device works, the rotating shaft 19 can drive the third bevel gear 30 to rotate, the first bevel gear 20 is driven to rotate, the first bevel gear 20 can drive the rotating rod 21 to rotate, under the action of the rotating rod 21, the two first bevel gears 20 positioned at the upper end and the lower end of the rotating rod 21 simultaneously rotate, the second bevel gear 23 is driven to rotate, the second bevel gear 23 drives the bidirectional threaded rod 26 to rotate, at the moment, under the action of the bidirectional threaded rod 26, the thread cylinder 27 drives the sealing ball 24 to move along the bidirectional threaded rod 26 in the direction away from or close to the sealing seat 25, until the sealing ball 24 is in sealing fit with the sealing seat 25, the rotating pipe 12 and the stirring pipe 17 are utilized to rotate, so that the materials for manufacturing the environment-friendly pollution-free concrete stone remover are mixed and stirred, and are not easy to enter the stirring pipe 17, and when the sealing ball 24 is far away from the sealing seat 25, clear water entering from the rotating pipe 12 can be sprayed out of the stirring pipe 17, and the inner wall of the tank 1 is washed.
Further, a guide rod 29 is fixedly connected to one end of the second support plate 28 away from the rotation tube 12, an ear plate 18 is fixedly connected to the circumferential surface of the threaded cylinder 27, the guide rod 29 penetrates through the ear plate 18, and the ear plate 18 is slidably connected with the guide rod 29.
During operation, along with the rotation of the bidirectional threaded rod 26, the threaded cylinder 27 can drive the lug plate 18 to move along the guide rod 29, and at this time, under the cooperation of the lug plate 18 and the guide rod 29, the threaded cylinder 27 can move more stably.
Working principle:
When the device is in operation, one end of the stirring pipe 17 is sealed by the sealing component, then materials for manufacturing environment-friendly pollution-free concrete stone remover are thrown into the discharge hopper 3 along the feed hopper 2, at the moment, the driving mechanism is controlled to operate, the stirring pipe 17 is driven by the rotating pipe 12 to rotate, the materials are mixed and stirred, the aim of efficient mixing and stirring of the concrete stone remover materials can be achieved, the materials of the concrete stone remover can be conveniently mixed, the mixed concrete stone remover materials can be discharged from the discharge hopper 3 by opening the electromagnetic valve 4, then the sealing component is controlled to operate, one end of the stirring pipe 17 far away from the rotating pipe 12 is gradually exposed, then the first water pump 10 is controlled to operate, water in the first water tank 9 enters the rotating pipe 12 along the first water pump 10 and the first connecting pipe 11, finally the water is sprayed out of the stirring pipe 17, the inner wall of the tank body 1 is washed, the second water pump 14 is controlled to operate, the water in the second water tank 13 is sprayed out of the second water pump 14 and the second connecting pipe 15, and finally the water in the spray nozzle 16 is sprayed out of the rotating pipe 12 and the rotating pipe 17, and the whole inner wall of the tank body 1 can be washed thoroughly, and the whole device can be washed, and the inner wall of the tank body can be washed thoroughly, and the whole device can be washed, and the device can be washed and washed thoroughly.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (6)

1. The utility model provides an environmental protection pollution-free concrete dew stone agent preparation facilities, includes a jar body (1), its characterized in that: the utility model discloses a jar of jar body, including jar body (1), including jar body, stirring tube (12), sealing component, first cleaning component is installed to the inside rotation of jar body (1), drive mechanism is installed to the circumference of jar body (1), the circumference fixedly connected with stirring tube (17) of rotation tube (12), stirring tube (17) are linked together with rotation tube (12), the internally mounted of rotation tube (12) and puddler has sealing component, sealing component is used for sealing stirring tube (17), first cleaning component is installed to the upper end of rotation tube (12), the internally mounted of jar body (1);
The first cleaning assembly comprises a first water tank (9), a first water pump (10) and a first connecting pipe (11), wherein the first water tank (9) is fixedly connected to the circumferential surface of the tank body (1), the first water pump (10) is fixedly connected to the left end of the first water tank (9), the water inlet end of the first water pump (10) is connected with the first water tank (9) and communicated with each other, the first connecting pipe (11) is fixedly connected to the water outlet end of the first water pump (10), and one end, far away from the first water pump (10), of the first connecting pipe (11) is rotationally connected with the rotating pipe (12);
The second cleaning assembly comprises a second water tank (13), a second water pump (14), a second connecting pipe (15) and a spray head (16), wherein the second water tank (13) is fixedly connected to the circumferential surface of the tank body (1), the second water tank (13) is located at the rear end of the tank body (1), the second water pump (14) is fixedly connected to the upper end of the second water tank (13), the water inlet end of the second water pump (14) extends downwards to the bottom end inside the second water tank (13), the water outlet end of the second water tank (13) is fixedly connected with the second connecting pipe (15), the second connecting pipe (15) extends downwards to the tank body (1) and is fixedly connected with the tank body (1), the spray head (16) is fixedly connected to the circumferential surface of the second connecting pipe (15), and the spray head (16) is provided with a plurality of water inlets which are distributed up and down and are fixedly connected with the second connecting pipe (15).
2. The environment-friendly pollution-free concrete stone remover preparation device as claimed in claim 1, wherein: the spray head (16) gradually inclines downwards from top to bottom and faces the stirring pipe (17).
3. The environment-friendly pollution-free concrete stone remover preparation device as claimed in claim 1, wherein: the upper end fixedly connected with support frame of jar body (1), first connecting pipe (11) run through the support frame, and support frame and first connecting pipe (11) fixed connection.
4. The environment-friendly pollution-free concrete stone remover preparation device as claimed in claim 1, wherein: the driving mechanism comprises a motor (5), a driving wheel (6), a belt (7) and a driven wheel (8), wherein the motor (5) is fixedly connected to the circumferential surface of the tank body (1), the driving wheel (6) is fixedly connected to the output shaft end of the motor (5), the driven wheel (8) is fixedly connected to the circumferential surface of the rotating tube (12), and the driving wheel (6) is connected with the driven wheel (8) through the belt (7).
5. The environment-friendly pollution-free concrete stone remover preparation device as claimed in claim 1, wherein: the sealing assembly comprises a rotating shaft (19), a third bevel gear (30), a second bevel gear (23), a first bevel gear (20), rotating rods (21), a first supporting plate (22), a second supporting plate (28), a bidirectional threaded rod (26), a threaded cylinder (27), sealing balls (24) and sealing seats (25), wherein the inner wall of the rotating tube (12) is fixedly connected with the first supporting plate (22), the first supporting plate (22) is provided with a plurality of rotating rods (21) which are uniformly positioned in the rotating tube (12), the upper end and the lower end of each rotating rod (21) are fixedly connected with the first bevel gear (20), the inner wall of the stirring tube (17) is fixedly connected with the second supporting plate (28) and the sealing seats (25), the inner side of the second supporting plate (28) is rotatably connected with the bidirectional threaded rod (26), the circumferential surface of the bidirectional threaded rod (26) is fixedly connected with the second bevel gear (23), the second bevel gear (23) is meshed with the first bevel gear (20), the circumferential surface of the threaded rod (26) is in threaded cylinder (27), one end of a thread cylinder (27) far away from a rotating pipe (12) is fixedly connected with a sealing ball (24), the sealing ball (24) is matched with a sealing seat (25), a rotating shaft (19) is rotatably connected in the rotating pipe (12), one end, close to a rotating rod (21), of the rotating shaft (19) is fixedly connected with a third bevel gear (30), and the third bevel gear (30) is meshed with a first bevel gear (20) located at the uppermost end.
6. The environment-friendly pollution-free concrete stone remover preparation device as claimed in claim 5, wherein: one end of the second supporting plate (28) far away from the rotary tube (12) is fixedly connected with a guide rod (29), the circumferential surface of the threaded cylinder (27) is fixedly connected with an ear plate (18), the guide rod (29) penetrates through the ear plate (18), and the ear plate (18) is in sliding connection with the guide rod (29).
CN202322998326.5U 2023-11-07 2023-11-07 Environment-friendly pollution-free concrete stone-exposing agent preparation device Active CN221131912U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322998326.5U CN221131912U (en) 2023-11-07 2023-11-07 Environment-friendly pollution-free concrete stone-exposing agent preparation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322998326.5U CN221131912U (en) 2023-11-07 2023-11-07 Environment-friendly pollution-free concrete stone-exposing agent preparation device

Publications (1)

Publication Number Publication Date
CN221131912U true CN221131912U (en) 2024-06-14

Family

ID=91425489

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322998326.5U Active CN221131912U (en) 2023-11-07 2023-11-07 Environment-friendly pollution-free concrete stone-exposing agent preparation device

Country Status (1)

Country Link
CN (1) CN221131912U (en)

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