CN211257853U - Pump pipe support frame - Google Patents
Pump pipe support frame Download PDFInfo
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- CN211257853U CN211257853U CN201922152098.3U CN201922152098U CN211257853U CN 211257853 U CN211257853 U CN 211257853U CN 201922152098 U CN201922152098 U CN 201922152098U CN 211257853 U CN211257853 U CN 211257853U
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Abstract
The utility model discloses a pump pipe support frame, which comprises a first cylinder body, wherein a first isolation plate is fixed in the inner cavity of the first cylinder body; the device also comprises a second cylinder, wherein a second isolation plate is fixed in the inner cavity of the second cylinder; further comprises a first elastic body and a second elastic body; in the height direction, from bottom to top, the arrangement is as follows: the elastic device comprises a second elastic body, a second cylinder, a first elastic body and a first cylinder; the second elastic body is used for supporting a second cylinder body, the second cylinder body is used for supporting a first elastic body, and the first elastic body is used for supporting a first cylinder body: the upper end of the first elastic body is embedded into the second inner cavity, the lower end of the first elastic body is embedded into the third inner cavity, and the upper end of the second elastic body is embedded into the fourth inner cavity; the upper end of the first cylinder is further provided with two semicircular grooves which are in opposite relation. This support frame not only can realize concrete pump pipeline and support, can protect the floor as the pipeline basis simultaneously and be difficult for suffering destruction because of the pipeline vibration.
Description
Technical Field
The utility model relates to an elastic support technical field especially relates to a pump line support frame.
Background
In the prior art, concrete pumps are widely applied to concrete transportation and pouring in building construction. The concrete pump is characterized by large vibration during working. For fixed commercial concrete stations, the concrete pipeline is extended to take a building as a foundation: the pipes are supported on the floor of the building, and the vibration of the pipes sometimes even causes certain damage to the building.
Among the prior art, because above concrete pump pipeline is interim pipeline, so when erectting, the support to the pipeline is comparatively random: generally, the pipeline is arranged in an overhead mode, so that the pipe joint can be suspended, the aim that the connection reliability of the pipe joint is not affected easily due to vibration of the pipeline is achieved, and finally the sealing performance of the pipe joint is guaranteed.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned proposition because concrete pump pipeline is interim pipeline, when erectting, comparatively random technical problem to the support of pipeline, the utility model provides a pump line support frame. This support frame not only can realize concrete pump pipeline and support, can protect the floor as the pipeline basis simultaneously and be difficult for suffering destruction because of the pipeline vibration.
The utility model provides a pump line support frame solves the problem through following technical essential: the pump tube support frame comprises a first barrel, wherein a first partition plate is fixed in an inner cavity of the first barrel, and the first partition plate divides the inner cavity of the first barrel into a first inner cavity and a second inner cavity which are distributed along the axial direction of the first barrel;
the second barrel is characterized by further comprising a second barrel, a second isolating plate is fixed in the inner cavity of the second barrel, and the inner cavity of the second barrel is divided into a third inner cavity and a fourth inner cavity which are distributed along the axial direction of the second barrel by the second isolating plate;
the elastic body comprises a first elastic body and a second elastic body, wherein the first elastic body and the second elastic body can be elastically deformed in all directions;
in the height direction, from bottom to top, the arrangement is as follows: the elastic device comprises a second elastic body, a second cylinder, a first elastic body and a first cylinder;
the second elastic body is used for supporting a second cylinder body, the second cylinder body is used for supporting a first elastic body, and the first elastic body is used for supporting a first cylinder body:
the upper end of the first elastic body is embedded into the second inner cavity, the lower end of the first elastic body is embedded into the third inner cavity, and the upper end of the second elastic body is embedded into the fourth inner cavity;
the upper end of the first cylinder is further provided with two semicircular grooves which are in opposite relation.
This scheme is when concrete fortune, the concrete support position that is used for supporting concrete pump pipe on this support frame is regarded as to the half slot, because two above half slots are just to the relation, adopt this scheme promptly, and a support frame can provide two support positions for the pump line, and like this, when concrete fortune, this support frame can set up the coupling position at the pump line: the pipe joint is located between the two semicircular grooves, and after the semicircular grooves support the pump pipe, gaps are formed between the pipe joint and the first isolation plate by selecting types of the pipe joint, matching the distances between the semicircular grooves and the first isolation plate and the like. Therefore, the characteristic that the corresponding two sections of pipe sections are supported by the support frame in advance can be utilized, and the purposes of conveniently completing the series connection of the pump pipes and simultaneously conveniently completing the separation of the pump pipes are achieved;
in the scheme, the first elastic body and the second elastic body which are elastic bodies are included from bottom to top, so that when the pump pipe vibrates during working, the elastic bodies can optimize the stress of the pump pipe and a floor slab for supporting the pump pipe through elastic deformation, and the purpose of protecting the pump pipe and the floor slab is achieved;
in this scheme, for the floor that the protection is prefabricated, it only can for this support frame provides the support to preferably set up to the floor, so at the in-process of pump line work, this support frame is can beat and gliding for the floor, it can make to be used for taking place wearing and tearing with floor direct contact's part on this support frame to slide more than, take place the wearing and tearing back, to equal support capacity, the height reduction of support frame, from the pump line on the whole consider, the support capacity of each fulcrum can have certain gap, be unfavorable for the pump line atress like this, especially unfavorable to the leakproofness of coupling on the pump line. This scheme sets up to the elastomer and includes first elastomer and second elastomer, does at the second elastomer be used for on the support frame with floor direct contact's part, because the second elastomer passes through fourth inner chamber and second barrel cooperation, so can rectify whole support frame through changing the second elastomer, and owing to there is first elastomer, so elastic deformation that can exert to second elasticity requires not highly, so be favorable to reducing the maintenance cost of this support frame. The second elastic body is preferably made of a soft material such as rubber completely or partially, and the supporting capacity between the supporting frames can be matched by removing the soft material at the lower end part of the second elastic body on the supporting frame with smaller abrasion loss under the condition that the supporting frames are abraded differently. The following concrete modes adopt the automobile wheel as the second elastic body, namely a concrete operation mode that the part of the second elastic body is soft material: in this manner, although the warp and weft wires, such as steel wires, are present in the tire for a vehicle, these warp and weft wires are highly likely to be deformed after being pressed, and therefore the thickness adjustment of the second elastic body is not substantially affected.
The further technical scheme is as follows:
for avoiding this support frame at the in-process that supports the pump line, because the relative motion of pump line and this support frame causes the pump line to suffer wearing and tearing, if the anticorrosive lacquer in the pump line outside is worn and torn, sets up to: the pump pipe limiting device is characterized by further comprising two anchor ears, wherein each semicircular groove is matched with one anchor ear, and each semicircular groove and the anchor ear matched with the semicircular groove are used for forming a closed annular pump pipe limiting space. As the technical personnel in this field, when specifically using, adopt the staple bolt to form the size that is in the pump line confined space of closed loop form needs to match with the pipe diameter of pump line, promptly through the connection or the adjustment of staple bolt, realizes pump line and this support frame tight fit.
For optimizing the compactness of forming interconnect between each part of this support frame to avoid because each part of this support frame arouses the instability that supports the pump line because of the cooperation relation, make first elastomer, second elastomer have stable cooperation relation with first barrel, second barrel respectively, with the stability of optimizing first elastomer, second elastomer atress, set up to: the first barrel is also provided with a first connecting piece for fixedly connecting the first elastic body and the first barrel;
the second barrel is further provided with a second connecting piece and a third connecting piece, the second connecting piece is used for fixedly connecting the first elastic body with the second barrel, and the third connecting piece is used for fixedly connecting the second elastic body with the second barrel.
As a concrete implementation mode with simple structure, the method is characterized in that: the first connecting piece, the second connecting piece and the third connecting piece are bolts which are in threaded connection with the corresponding first cylinder or the corresponding second cylinder, the first connecting piece, the second connecting piece and the third connecting piece comprise a plurality of bolts, the bolts forming the first connecting piece, the second connecting piece and the third connecting piece are arranged at intervals along the circumferential direction of the corresponding first cylinder or the corresponding second cylinder, and the bolts are fixedly connected to provide pressure for the first elastic body and the second elastic body.
As a specific implementation mode that the first elastic body and the second elastic body are easy to obtain, good in elastic performance and low in use cost, the elastic body is set as follows: the first elastic body and the second elastic body are both automobile tyre casings, and the tyre casings as the first elastic body are as follows: the end face of one end is attached to the bottom side of the first isolation plate, and the end face of one end is attached to the top face of the second isolation plate;
the second elastomer is a part of the automobile tire casing, and the second elastomer is obtained by cutting the automobile tire casing: the cut cutting surface is vertical to the axis of the automobile outer tire, and divides the automobile outer tire into two parts which can be used as a second elastic body;
and the outer tire as the second elastic body is as follows: the end surface of the outer tire is attached to the bottom side of the second isolation plate. In this scheme, the first elastomer, the second elastomer connected mode that provide above can make first elastomer, the every direction restraint ability of second elastomer even to make this support frame have stable elastic support effect. Specifically, the first elastic body and the second elastic body are made of waste automobile tires.
For further protecting the outer wall of the pump pipe, the device is provided with: and a rubber pad is also fixed on the groove surface of the semicircular groove.
As the specific implementation of first barrel, second barrel, especially can well match the implementation that automobile tire applied in this scheme, set up to: the first cylinder and the second cylinder are both cylindrical.
The utility model discloses following beneficial effect has:
this scheme is when concrete fortune, the concrete support position that is used for supporting concrete pump pipe on this support frame is regarded as to the half slot, because two above half slots are just to the relation, adopt this scheme promptly, and a support frame can provide two support positions for the pump line, and like this, when concrete fortune, this support frame can set up the coupling position at the pump line: the pipe joint is located between the two semicircular grooves, and after the semicircular grooves support the pump pipe, gaps are formed between the pipe joint and the first isolation plate by selecting types of the pipe joint, matching the distances between the semicircular grooves and the first isolation plate and the like. Therefore, the characteristic that the corresponding two sections of pipe sections are supported by the support frame in advance can be utilized, and the purposes of conveniently completing the series connection of the pump pipes and simultaneously conveniently completing the separation of the pump pipes are achieved;
in the scheme, the first elastic body and the second elastic body which are elastic bodies are included from bottom to top, so that when the pump pipe vibrates during working, the elastic bodies can optimize the stress of the pump pipe and a floor slab for supporting the pump pipe through elastic deformation, and the purpose of protecting the pump pipe and the floor slab is achieved;
in this scheme, for the floor that the protection is prefabricated, it only can for this support frame provides the support to preferably set up to the floor, so at the in-process of pump line work, this support frame is can beat and gliding for the floor, it can make to be used for taking place wearing and tearing with floor direct contact's part on this support frame to slide more than, take place the wearing and tearing back, to equal support capacity, the height reduction of support frame, from the pump line on the whole consider, the support capacity of each fulcrum can have certain gap, be unfavorable for the pump line atress like this, especially unfavorable to the leakproofness of coupling on the pump line. This scheme sets up to the elastomer and includes first elastomer and second elastomer, does at the second elastomer be used for on the support frame with floor direct contact's part, because the second elastomer passes through fourth inner chamber and second barrel cooperation, so can rectify whole support frame through changing the second elastomer, and owing to there is first elastomer, so elastic deformation that can exert to second elasticity requires not highly, so be favorable to reducing the maintenance cost of this support frame. The second elastic body is preferably made of a soft material such as rubber completely or partially, and the supporting capacity between the supporting frames can be matched by removing the soft material at the lower end part of the second elastic body on the supporting frame with smaller abrasion loss under the condition that the supporting frames are abraded differently. The following concrete modes adopt the automobile wheel as the second elastic body, namely a concrete operation mode that the part of the second elastic body is soft material: in this manner, although the warp and weft wires, such as steel wires, are present in the tire for a vehicle, these warp and weft wires are highly likely to be deformed after being pressed, and therefore the thickness adjustment of the second elastic body is not substantially affected.
Drawings
Fig. 1 is a schematic structural view of a specific embodiment of the pump tube support of the present invention, which is a front sectional view.
The reference numbers in the figures are in order: 1. the elastic rubber tube comprises a first tube body, 2, a first isolation plate, 3, a first connecting piece, 4, a second tube body, 5, a second connecting piece, 6, a second isolation plate, 7, a third connecting piece, 8, a hoop, 9, a semicircular groove, 10, a first elastic body, 11, a second elastic body, 12, a first inner cavity, 13, a second inner cavity, 14, a third inner cavity, 15 and a fourth inner cavity.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples.
Example 1:
as shown in fig. 1, the pump tube support frame includes a first cylinder 1, a first partition plate 2 is fixed in an inner cavity of the first cylinder 1, and the first partition plate 2 divides the inner cavity of the first cylinder 1 into a first inner cavity 12 and a second inner cavity 13 which are arranged along an axial direction of the first cylinder 1;
the device also comprises a second cylinder 4, wherein a second partition plate 6 is fixed in the inner cavity of the second cylinder 4, and the inner cavity of the second cylinder 4 is divided into a third inner cavity 14 and a fourth inner cavity 15 which are distributed along the axial direction of the second cylinder 4 by the second partition plate 6;
the elastic body structure further comprises a first elastic body 10 and a second elastic body 11, wherein the first elastic body 10 and the second elastic body 11 can be elastically deformed in all directions;
in the height direction, from bottom to top, the arrangement is as follows: a second elastic body 11, a second cylinder 4, a first elastic body 10, and a first cylinder 1;
the second elastic body 11 is used for supporting the second cylinder 4, the second cylinder 4 is used for supporting the first elastic body 10, and the first elastic body 10 is used for supporting the first cylinder 1:
the upper end of the first elastic body 10 is embedded into the second inner cavity 13, the lower end of the first elastic body is embedded into the third inner cavity 14, and the upper end of the second elastic body 11 is embedded into the fourth inner cavity 15;
the upper end of the first cylinder 1 is also provided with two semicircular grooves 9, and the semicircular grooves 9 are in a right-to-right relation.
This scheme is when concrete fortune, the concrete support position that is used for supporting concrete pump pipe on this support frame is regarded as to half slot 9, because two above half slots 9 are just to the relation, adopt this scheme promptly, and a support frame can provide two support positions for the pump line, and like this, when concrete fortune, this support frame can set up the coupling position at the pump line: the pipe joint is located between two semicircle grooves 9, and through the pipe joint type selection, the interval that matches semicircle groove 9 and first division board 2 etc. can make after the pump line is supported to semicircle groove 9, have the clearance between pipe joint and the first division board 2. Therefore, the characteristic that the corresponding two sections of pipe sections are supported by the support frame in advance can be utilized, and the purposes of conveniently completing the series connection of the pump pipes and simultaneously conveniently completing the separation of the pump pipes are achieved;
in the scheme, the first elastic body 10 and the second elastic body 11 which are elastic bodies are arranged from bottom to top, so that when the pump pipe vibrates in working, the elastic bodies can optimize the stress of the pump pipe and a floor slab for supporting the pump pipe through elastic deformation, and the purpose of protecting the pump pipe and the floor slab is achieved;
in this scheme, for the floor that the protection is prefabricated, it only can for this support frame provides the support to preferably set up to the floor, so at the in-process of pump line work, this support frame is can beat and gliding for the floor, it can make to be used for taking place wearing and tearing with floor direct contact's part on this support frame to slide more than, take place the wearing and tearing back, to equal support capacity, the height reduction of support frame, from the pump line on the whole consider, the support capacity of each fulcrum can have certain gap, be unfavorable for the pump line atress like this, especially unfavorable to the leakproofness of coupling on the pump line. This scheme sets up to the elastomer including first elastomer 10 and second elastomer 11, is in second elastomer 11 conduct when being used for the part with floor direct contact on the support frame, because second elastomer 11 cooperates through fourth inner chamber 15 and second barrel 4, so can rectify whole support frame through changing second elastomer 11, and owing to there is first elastomer 10, so elastic deformation that can exert to second elasticity requires not highly, so be favorable to reducing the maintenance cost of this support frame. The second elastic body 11 is preferably made of a soft material, such as rubber, in whole or in part, and in case of uneven wear between the support frames, the support capability between the support frames can be matched by removing the soft material at the lower end part of the second elastic body 11 on the support frame with smaller wear amount. In the following specific modes, the automobile wheel is used as the second elastic body 11, that is, the specific operation mode that the part of the second elastic body 11 is soft material is: in this manner, although the warp and weft wires such as steel wires are present in the tire for automobile, these warp and weft wires are easily deformed after being pressed, and therefore the thickness adjustment of the second elastic body 11 is not substantially affected.
Example 2:
as shown in fig. 1, the present embodiment is further detailed based on embodiment 1:
for avoiding this support frame at the in-process that supports the pump line, because the relative motion of pump line and this support frame causes the pump line to suffer wearing and tearing, if the anticorrosive lacquer in the pump line outside is worn and torn, sets up to: still include two staple bolts 8, each semicircle groove 9 all matches has a staple bolt 8, and each semicircle groove 9 is used for forming to be closed annular pump line confined space with staple bolt 8 that matches with it. As the technical personnel in this field, when specifically using, adopt staple bolt 8 to form the size that is the pump line confined space of closed loop form needs to match with the pipe diameter of pump line, promptly through the connection or the adjustment of staple bolt 8, realizes pump line and this support frame tight fit.
For the compactness of interconnect between each part of this support frame of optimization constitution to avoid because each part of this support frame arouses the instability to the pump line support because of the cooperation relation, make first elastomer 10, second elastomer 11 have stable cooperation relation with first barrel 1, second barrel 4 respectively, in order to optimize the stability of first elastomer 10, second elastomer 11 atress, set up to: the first cylinder 1 is also provided with a first connecting piece 3 for fixedly connecting the first elastic body 10 with the first cylinder 1;
the second barrel 4 is further provided with a second connecting piece 5 and a third connecting piece 7, the second connecting piece is used for fixedly connecting the first elastic body 10 with the second barrel 4, and the third connecting piece 7 is used for fixedly connecting the second elastic body 11 with the second barrel 4.
As a concrete implementation mode with simple structure, the method is characterized in that: first connecting piece 3, second connecting piece 5 and third connecting piece 7 are the bolt of threaded connection on the first barrel 1 or the second barrel 4 that correspond, and first connecting piece 3, second connecting piece 5 and third connecting piece 7 three all include a plurality of bolts, and the bolt that constitutes each all arranges along the circumference interval of the first barrel 1 or the second barrel 4 that correspond, fixed connection provides pressure through the bolt for first elastomer 10, second elastomer 11 and realizes.
As a specific implementation manner that the first elastic body 10 and the second elastic body 11 are easily obtained, have good elastic performance and low use cost, the following steps are provided: the first elastic body 10 and the second elastic body 11 are both automobile casings, and the casings as the first elastic body 10 are: wherein the end surface of one end is attached to the bottom side of the first isolation plate 2, and the end surface of one end is attached to the top surface of the second isolation plate 6;
the second elastic body 11 is a part of the automobile tire casing, and the second elastic body 11 is obtained by cutting the automobile tire casing: the cut cutting surface is vertical to the axis of the automobile outer tire, and divides the automobile outer tire into two parts which can be used as a second elastic body 11;
and the outer tire as the second elastic body 11 is: the end surface of the outer tire is attached to the bottom side of the second isolation plate 6. In this scheme, the connection mode of the first elastic body 10 and the second elastic body 11 provided above can make the first elastic body 10 and the second elastic body 11 have uniform constraint ability in each direction, so that the support frame has a stable elastic support effect. Specifically, the first elastic body 10 and the second elastic body 11 can be made of waste automobile tires.
For further protecting the outer wall of the pump pipe, the device is provided with: and a rubber pad is also fixed on the groove surface of the semicircular groove 9.
As specific implementation manners of the first cylinder 1 and the second cylinder 4, particularly implementation manners of automobile tires which can be well matched in the scheme are set as follows: the first cylinder 1 and the second cylinder 4 are both cylindrical.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.
Claims (7)
1. The pump tube support frame is characterized by comprising a first cylinder (1), wherein a first partition plate (2) is fixed in an inner cavity of the first cylinder (1), and the first partition plate (2) divides the inner cavity of the first cylinder (1) into a first inner cavity (12) and a second inner cavity (13) which are distributed along the axial direction of the first cylinder (1);
the device is characterized by further comprising a second cylinder (4), wherein a second partition plate (6) is fixed in an inner cavity of the second cylinder (4), and the second partition plate (6) divides the inner cavity of the second cylinder (4) into a third inner cavity (14) and a fourth inner cavity (15) which are distributed along the axial direction of the second cylinder (4);
the elastic piece is characterized by further comprising a first elastic body (10) and a second elastic body (11), wherein the first elastic body (10) and the second elastic body (11) can be elastically deformed in all directions;
in the height direction, from bottom to top, the arrangement is as follows: a second elastic body (11), a second cylinder (4), a first elastic body (10), and a first cylinder (1);
the second elastic body (11) is used for supporting the second cylinder (4), the second cylinder (4) is used for supporting the first elastic body (10), and the first elastic body (10) is used for supporting the first cylinder (1):
the upper end of the first elastic body (10) is embedded into the second inner cavity (13), the lower end of the first elastic body is embedded into the third inner cavity (14), and the upper end of the second elastic body (11) is embedded into the fourth inner cavity (15);
the upper end of the first barrel body (1) is further provided with two semicircular grooves (9), and the semicircular grooves (9) are in a right-to-right relation.
2. The pump pipe supporting frame according to claim 1, further comprising two hoops (8), wherein each semicircular groove (9) is matched with one hoop (8), and each semicircular groove (9) and the matched hoop (8) are used for forming a closed annular pump pipe constraint space.
3. The pump pipe support bracket as claimed in claim 1, wherein the first cylinder (1) is further provided with a first connecting piece (3) for fixedly connecting the first elastomer (10) with the first cylinder (1);
the second barrel (4) is further provided with a second connecting piece (5) and a third connecting piece (7), the second connecting piece (5) is used for fixedly connecting the first elastic body (10) with the second barrel (4), and the third connecting piece (7) is used for fixedly connecting the second elastic body (11) with the second barrel (4).
4. The pump pipe support frame according to claim 3, wherein the first connecting piece (3), the second connecting piece (5) and the third connecting piece (7) are bolts which are in threaded connection with the corresponding first cylinder (1) or the corresponding second cylinder (4), the first connecting piece (3), the second connecting piece (5) and the third connecting piece (7) comprise a plurality of bolts, the bolts forming each are arranged along the circumferential direction of the corresponding first cylinder (1) or the corresponding second cylinder (4) at intervals, and the fixed connection is realized by providing pressure for the first elastic body (10) and the second elastic body (11) through the bolts.
5. The pump tube support stand according to claim 1, wherein the first elastic body (10) and the second elastic body (11) are both automobile casings, and the casings as the first elastic body (10) are: wherein the end surface of one end is attached to the bottom side of the first isolation plate (2), and the end surface of one end is attached to the top surface of the second isolation plate (6);
the second elastomer (11) is part of an automobile tyre casing, and the second elastomer (11) is obtained by cutting the automobile tyre casing: the cut cutting surface is vertical to the axis of the automobile tire casing, the automobile tire casing is divided into two parts, and the two parts can be used as a second elastic body (11);
and the outer tire as the second elastic body (11) is: the end surface of the outer tire is attached to the bottom side of the second isolation plate (6).
6. A pump tube supporting stand according to any one of claims 1 to 5, characterized in that a rubber pad is fixed on the groove surface of the semicircular groove (9).
7. The pump tube supporting frame according to any one of claims 1 to 5, wherein the first cylinder (1) and the second cylinder (4) are both cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922152098.3U CN211257853U (en) | 2019-12-04 | 2019-12-04 | Pump pipe support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922152098.3U CN211257853U (en) | 2019-12-04 | 2019-12-04 | Pump pipe support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211257853U true CN211257853U (en) | 2020-08-14 |
Family
ID=71960060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922152098.3U Active CN211257853U (en) | 2019-12-04 | 2019-12-04 | Pump pipe support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211257853U (en) |
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2019
- 2019-12-04 CN CN201922152098.3U patent/CN211257853U/en active Active
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