CN210164054U - Quick butt joint and temporary fixing device for upper and lower layers of steel concrete composite pipe - Google Patents
Quick butt joint and temporary fixing device for upper and lower layers of steel concrete composite pipe Download PDFInfo
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- CN210164054U CN210164054U CN201920635761.2U CN201920635761U CN210164054U CN 210164054 U CN210164054 U CN 210164054U CN 201920635761 U CN201920635761 U CN 201920635761U CN 210164054 U CN210164054 U CN 210164054U
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Abstract
The device comprises an upper rectangular flange and a lower rectangular flange which are arranged horizontally, a plurality of positioning plates are fixedly arranged on the inner wall of a rectangular hole of the upper rectangular flange, the lower side edge of each positioning plate extends into the rectangular hole of the lower rectangular flange, the lower side edge of each positioning plate is fixedly connected with a wedge-shaped clamping plate, the upper end of each wedge-shaped clamping plate is in contact with the lower side surface of the lower rectangular flange, and the thickness of the lower side part of each wedge-shaped clamping plate is smaller than that of the positioning plate; one side surface or two side surfaces of the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe are provided with temporary supporting mechanisms. The utility model discloses can improve the butt joint speed between the upper and lower two-layer steel concrete composite pipe greatly, the anti-wind is effectual, ensures the fail safe nature of construction operation to can finely tune the straightness that hangs down between the upper and lower two-layer steel concrete composite pipe, ensure the quality and the firm nature of butt joint, satisfy the operation requirements such as whole atress, energy-conservation, anti-wind, antidetonation of modern assembly type structure completely.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure construction, concretely relates to quick butt joint of lower floor and interim fixing device on steel concrete composite pipe.
Background
The single-section steel concrete combined pipe adopted by the wall body of the fabricated building is integrally in a rectangular cylindrical structure and is transported to a construction site for assembly after being manufactured in a factory, the biggest problem of popularization and application of the existing fabricated building is that a stable and uniform system cannot be formed, the key point of the problem lies in the node connection between the steel concrete combined pipes, particularly the butt joint quality between the steel concrete combined pipes on the upper layer and the lower layer, and the structural strength of the node needs to meet the requirements of wind resistance and earthquake resistance, and the verticality of the steel concrete combined pipes on the upper layer and the lower layer needs to be kept consistent. The mode that adopts when carrying out vertical connection to steel concrete composite pipe among the prior art not only complex operation, the straightness that hangs down of difficult adjustment upper steel concrete composite pipe moreover influences the installation quality. In addition, after the steel concrete composite pipes on the upper layer are butted in place, the steel concrete composite pipes on the upper layer need to be temporarily fixed, the situation that the steel concrete composite pipes on the upper layer are blown askew by the action of wind force and even blown down to influence the construction quality and safety is avoided, the temporarily fixed steel concrete composite pipes on the upper layer are generally held by hands of a plurality of persons, and the hands are loosened until the steel concrete composite pipes on the upper layer and the lower layer are permanently and fixedly connected, so that more manpower is wasted, the stability is still not strong, the difficulty of holding by the persons is high when strong wind exists, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide one kind and be convenient for operation, fail safe nature strong, artifical intensity of labour is little, be convenient for adjust the straightness that hangs down of upper steel concrete composite pipe in order to ensure to align from top to bottom, improve the quick butt joint of upper and lower layer and interim fixing device of steel concrete composite pipe of installation quality.
In order to solve the technical problem, the utility model adopts the following technical scheme: a device for quickly butting and temporarily fixing an upper layer and a lower layer of a steel concrete composite pipe comprises an upper rectangular flange and a lower rectangular flange which are uniformly and horizontally arranged, the upper side surface of the upper rectangular flange is welded at the lower end part of a rectangular steel plate structure in the upper layer of the steel concrete composite pipe, the lower side surface of the lower rectangular flange is welded at the upper end part of the rectangular steel plate structure in the lower layer of the steel concrete composite pipe, rectangular holes corresponding to an inner cavity of the rectangular steel plate structure are respectively arranged on the upper rectangular flange and the lower rectangular flange, the lower side surface of the upper rectangular flange is correspondingly contacted with the upper side surface of the lower rectangular flange, a plurality of positioning plates are fixedly arranged on the inner wall of the rectangular hole of the upper rectangular flange, the lower side edge of each positioning plate extends into the rectangular hole of the lower rectangular flange, a wedge-shaped clamping plate is fixedly connected with the lower side edge of each positioning plate, the direction from the, the outer side surface of the positioning plate is in contact with the lower rectangular flange, the wedge-shaped clamping plate is of a wedge-shaped structure with a thick upper part and a thin lower part along the inner and outer directions, the upper end of the wedge-shaped clamping plate is in contact with the lower side surface of the lower rectangular flange, and the thickness of the lower side part of the wedge-shaped clamping plate is smaller than that of the positioning plate; one side surface or two side surfaces of the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe are provided with temporary supporting mechanisms.
Set up inside and outside penetrating screw hole on the locating plate, the first one and the lower half of screw hole are located respectively rectangle flange and the upper portion and the lower part of connecting joint between the rectangle flange down, go up rectangle flange downside and rectangle flange up the side correspondence down and set up with the inside and outside penetrating unthreaded hole of screw hole, adjusting bolt is worn to be equipped with in the unthreaded hole, the unthreaded hole equals with adjusting bolt's pole portion diameter, adjusting bolt's inner threaded connection is in the threaded hole, adjusting bolt is thick conical polished rod structure outside the unthreaded hole in the part.
The connecting seam between the upper rectangular flange and the lower rectangular flange is connected into a whole in a welding mode, the head parts of the outer ends of the adjusting bolts are fixedly connected with the reinforcing mesh, outer-coated concrete in which the adjusting bolts and the reinforcing mesh are embedded is poured between the lower end of the upper layer steel concrete combined pipe and the upper end of the lower layer steel concrete combined pipe, and the outer surfaces of the outer-coated concrete, the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe are correspondingly flush.
The temporary support mechanism comprises two groups of inclined strut positioning components which are respectively positioned at the left side and the right side of the upper layer steel concrete combined pipe;
the upper layer steel concrete composite pipe and the lower layer steel concrete composite pipe have the same structure, the upper layer steel concrete composite pipe comprises a concrete layer poured on the outer side part of the rectangular steel plate structure, a plurality of screw tie bars penetrate between the front side plate and the rear side plate of the rectangular steel plate structure, and the front end and the rear end of each screw tie bar are embedded in the concrete layer;
each group of inclined strut positioning components comprises an internal thread sleeve, inclined struts and straight struts, wherein the internal thread sleeve is provided with a plurality of internal thread sleeves, each internal thread sleeve is pre-embedded in a concrete layer, at least two internal thread sleeves are arranged along the vertical direction, one end or two ends of a screw tie bar corresponding to the internal thread sleeves are correspondingly and threadedly connected with a half section in the internal thread sleeve, the other half section in the internal thread sleeve is threadedly connected with positioning studs extending out of the side surface of an upper layer steel concrete combined pipe, the straight struts are made of channel steel and are vertically arranged, mounting holes corresponding to a plurality of positioning studs arranged up and down are formed in the straight struts, mounting holes at the lower parts of the straight struts correspond to positioning studs arranged at the upper parts of lower layer steel concrete combined pipes, the positioning studs penetrate through the mounting holes one by one and fix the straight struts through gaskets and positioning nuts, and the upper parts of the straight struts are hinged with the upper ends of the inclined struts through, the lower end of the diagonal brace is hinged with a supporting disk.
Adopt above-mentioned technical scheme, the utility model provides a locating plate and wedge cardboard structure as an organic whole make, and the upper portion lateral surface of locating plate welds earlier on the rectangle hole inner wall of last rectangle flange, goes up rectangle flange upper surface and welds the tip under the inside rectangle steel plate structure of upper steel concrete composite pipe again. When the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe are butted up and down, the lower layer steel concrete combined pipe is fixed firmly, an upper rectangular flange at the lower end of the upper layer steel concrete combined pipe is butted to a lower rectangular flange at the upper end of the lower layer steel concrete combined pipe from top to bottom, in the butting process, the lower side edge of a wedge-shaped surface (outer side surface) of a wedge-shaped clamping plate firstly enters a rectangular hole of the lower rectangular flange, the wedge-shaped clamping plate is extruded inwards along with the downward movement (short duration) of the upper layer steel concrete combined pipe until the upper rectangular flange is contacted with the lower rectangular flange, the wedge-shaped clamping plate is reset, the upper end surface of the wedge-shaped clamping plate is contacted with the lower surface of the lower rectangular flange, and the wedge-shaped clamping plate is tightly clamped on the lower rectangular flange no matter which direction the upper layer steel concrete combined pipe is subjected to force, so that.
Before welding the connecting seam between the upper rectangular flange and the lower rectangular flange, the upper layer steel concrete composite pipe and the lower layer steel concrete composite pipe are aligned to ensure the perpendicularity of the construction wall. The specific adjusting process is as follows: if the upper layer steel concrete combined pipe deviates to one side, a wrench or a screwdriver is used for screwing the adjusting bolt below the side, so that the conical polished rod structure on the adjusting bolt moves towards the unthreaded hole, the conical polished rod pushes the upper rectangular flange upwards, the upper layer steel concrete combined pipe on the side moves upwards, and the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe keep the consistent verticality.
After the verticality of the upper layer steel concrete composite pipe and the lower layer steel concrete composite pipe is adjusted, the temporary supporting mechanism is installed on the side surfaces of the upper layer steel concrete composite pipe and the lower layer steel concrete composite pipe, and the specific installation process of the temporary supporting mechanism is as follows: the positioning stud is connected inside the internal thread sleeve in a threaded mode, the straight stay bar is vertically installed on the positioning stud, the positioning nut is screwed up to enable the straight stay bar to be fixed on the side faces of the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe, and the supporting plate at the lower end of the inclined stay bar is fixed on a floor slab through the expansion bolt.
And welding the connecting seam between the upper rectangular flange and the lower rectangular flange to permanently fix the upper layer steel concrete composite pipe and the lower layer steel concrete composite pipe. The temporary support mechanism is then disassembled.
And finally, taking the outer ends of the adjusting bolts as connecting points, arranging reinforcing mesh between the adjusting bolts, and pouring concrete in an annular space between the upper-layer steel concrete combined pipe and the lower-layer steel concrete combined pipe, so that the adjusting bolts and the reinforcing mesh are poured into the concrete, and the outer-coated concrete is not easy to peel and crack.
To sum up, the utility model discloses can improve the butt joint speed between the upper and lower two-layer steel concrete composite tube greatly, through the interim fixed mode of butt joint back buckle to set up interim supporting mechanism, the anti-wind is effectual, ensures the fail safe nature of construction operation, and can finely tune the straightness that hangs down between the upper and lower two-layer steel concrete composite tube, ensures the quality and the firm nature of butt joint, satisfies the whole atress of modern assembly type structure completely, energy-conservation, anti-wind, meet the operation requirements such as antidetonation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side schematic view of the upper and lower rectangular flanges of the present invention as they are mated;
FIG. 3 is a left side view of FIG. 2;
fig. 4 is a sectional view showing the connection between the upper reinforced concrete composite pipe and the temporary support means in fig. 1.
Detailed Description
As shown in FIGS. 1-4, the device for rapidly butting and temporarily fixing the upper and lower layers of the steel-concrete composite pipe of the utility model comprises an upper rectangular flange 1 and a lower rectangular flange 2 which are arranged in a uniform level, the upper side of the upper rectangular flange 1 is welded at the lower end of a rectangular steel plate structure 11 in the upper layer of the steel-concrete composite pipe 3, the lower side of the lower rectangular flange 2 is welded at the upper end of the rectangular steel plate structure 11 in the lower layer of the steel-concrete composite pipe 4, rectangular holes corresponding to the inner cavity of the rectangular steel plate structure 11 are respectively arranged on the upper rectangular flange 1 and the lower rectangular flange 2, the lower side of the upper rectangular flange 1 is correspondingly contacted with the upper side of the lower rectangular flange 2, a plurality of positioning plates 5 are fixedly arranged on the inner wall of the rectangular hole of the upper rectangular flange 1, the lower side of each positioning plate 5 extends into the rectangular hole of the lower rectangular flange 2, the lower, use the center of rectangular hole to the direction of each side of rectangular hole for direction from inside to outside, the medial surface of wedge cardboard 6 flushes with the medial surface of locating plate 5, the lateral surface of locating plate 5 and lower rectangular flange 2 contact, wedge cardboard 6 is thin wedge structure down along inside and outside direction, the upper end of wedge cardboard 6 and the downside contact of lower rectangular flange 2, the thickness of the lateral part is less than the thickness of locating plate 5 under the wedge cardboard 6. One side surface or two side surfaces of the upper layer steel concrete combined pipe 3 and the lower layer steel concrete combined pipe 4 are provided with temporary supporting mechanisms.
Set up inside and outside penetrating screw hole on locating plate 5, the first half and the lower half of screw hole are located upper portion and the lower part of connecting joint between rectangular flange 1 and the lower rectangular flange 2 respectively, go up rectangular flange 1 downside and 2 upside facies correspondences down and offer with the screw hole inside and outside penetrating unthreaded hole 9, wear to be equipped with adjusting bolt 7 in the unthreaded hole 9, unthreaded hole 9 equals with adjusting bolt 7's pole portion diameter, adjusting bolt 7's inner threaded connection is in the threaded hole, adjusting bolt 7 is thick conical polished rod structure 8 outside the unthreaded hole 9 outside the part.
The connecting seam between the upper rectangular flange 1 and the lower rectangular flange 2 is connected into a whole in a welding mode, the outer end heads of the adjusting bolts 7 are fixedly connected with the reinforcing mesh, outer concrete which pre-embeds the adjusting bolts 7 and the reinforcing mesh is poured between the lower end of the upper layer steel concrete combined pipe 3 and the upper end of the lower layer steel concrete combined pipe 4, and the outer surfaces of the outer concrete, the upper layer steel concrete combined pipe 3 and the lower layer steel concrete combined pipe 4 are correspondingly flush.
The temporary supporting mechanism comprises two groups of inclined strut positioning components 10, and the two groups of inclined strut positioning components 10 are respectively positioned at the left side and the right side of the upper layer steel concrete combined pipe 3;
the upper layer steel concrete composite pipe 3 and the lower layer steel concrete composite pipe 4 have the same structure, the upper layer steel concrete composite pipe 3 comprises a concrete layer 13 poured at the outer side part of the rectangular steel plate structure 11, a plurality of screw tie bars 12 penetrate between the front side plate and the rear side plate of the rectangular steel plate structure 11, and the front end and the rear end of each screw tie bar 12 are embedded in the concrete layer 13;
each group of inclined strut positioning components 10 comprises an internal thread sleeve 14, inclined strut rods 15 and straight strut rods 16, wherein the internal thread sleeve 14 is provided with a plurality of internal thread sleeves 14, each internal thread sleeve 14 is pre-embedded in a concrete layer 13, at least two internal thread sleeves are arranged along the vertical direction, one end or two ends of a screw tie bar 12 corresponding to the internal thread sleeve 14 are correspondingly and threadedly connected with a half section in the internal thread sleeve 14, the other half section in the internal thread sleeve 14 is threadedly connected with positioning studs 17 extending out of the side surface of the upper layer steel concrete combined pipe 3, the straight strut rods 16 are made of channel steel, the straight strut rods 16 are vertically arranged, mounting holes corresponding to the plurality of positioning studs 17 arranged up and down are formed in the straight strut rods 16 one by one, the mounting holes at the lower part of the straight strut rods 16 correspond to the positioning studs 17 arranged at the upper part of the lower layer steel concrete combined pipe 4, the positioning studs 17 penetrate through the mounting holes one by one and fix the straight strut rods 16 through, the upper part of the straight stay bar 16 is hinged with the upper end of the inclined stay bar 15 through a pin shaft 20, and the lower end of the inclined stay bar 15 is hinged with a supporting plate 21.
The utility model provides a locating plate 5 and wedge cardboard 6 structure as an organic whole make, and the upper portion lateral surface of locating plate 5 welds earlier on the rectangle downthehole wall of last rectangular flange 1, goes up 1 upper surface of rectangular flange and welds the tip under 11 of the inside rectangular steel plate structure of 3 composite pipes of upper steel concrete. When the upper layer steel concrete composite pipe 3 and the lower layer steel concrete composite pipe 4 are butted up and down, the lower layer steel concrete composite pipe 4 is firmly fixed, an upper rectangular flange 1 at the lower end of the upper layer steel concrete composite pipe 3 is butted on a lower rectangular flange 2 at the upper end of the lower layer steel concrete composite pipe 4 from top to bottom, in the butt joint process, the lower side edge of the wedge-shaped surface (outer side surface) of the wedge-shaped clamping plate 6 firstly enters the rectangular hole of the lower rectangular flange 2, the wedge-shaped clamping plate 6 is extruded inwards along with the continuous downward movement (short duration) of the upper layer steel concrete composite pipe 3 until the upper rectangular flange 1 is contacted with the lower rectangular flange 2, the wedge cardboard 6 resets, and the up end of wedge cardboard 6 contacts with 2 lower surfaces of lower rectangular flange, no matter which direction's power is received to upper steel concrete composite pipe 3, and wedge cardboard 6 tightly buckles under on rectangular flange 2, plays the effect of temporary fixation upper steel concrete composite pipe 3.
Before welding the connecting seam between the upper rectangular flange 1 and the lower rectangular flange 2, the upper layer steel concrete composite pipe 3 and the lower layer steel concrete composite pipe 4 are aligned to ensure the perpendicularity of the construction wall. The specific adjusting process is as follows: if the upper layer steel concrete combined pipe 3 deviates to one side, a wrench or a screwdriver is used for screwing the adjusting bolt 7 below the side, so that the conical polished rod structure 8 on the adjusting bolt 7 moves towards the unthreaded hole 9, the conical polished rod pushes the upper rectangular flange 1 upwards, the upper layer steel concrete combined pipe 3 on the side moves upwards, and the upper layer steel concrete combined pipe 3 and the lower layer steel concrete combined pipe 4 keep the consistent verticality.
After the verticality of the upper layer steel concrete composite pipe 3 and the lower layer steel concrete composite pipe 4 is adjusted, the temporary supporting mechanism is installed on the side surfaces of the upper layer steel concrete composite pipe 3 and the lower layer steel concrete composite pipe 4, and the specific installation process of the temporary supporting mechanism is as follows: the positioning stud 17 is connected inside the internal thread sleeve 14 in a threaded mode, the straight stay bar 16 is vertically installed on the positioning stud 17, the positioning nut 19 is screwed up to enable the straight stay bar 16 to be fixed on the side faces of the upper layer steel concrete combined pipe 3 and the lower layer steel concrete combined pipe 4, and the supporting plate 21 at the lower end of the inclined stay bar 15 is fixed on a floor slab through an expansion bolt.
And then welding the connecting seam between the upper rectangular flange 1 and the lower rectangular flange 2 to permanently fix the upper layer steel concrete composite pipe 3 and the lower layer steel concrete composite pipe 4. The temporary support mechanism is then disassembled.
And finally, taking the outer ends of the adjusting bolts 7 as connecting points, arranging reinforcing mesh between the adjusting bolts 7, and pouring concrete in an annular space between the upper-layer steel concrete combined pipe 3 and the lower-layer steel concrete combined pipe 4, so that the adjusting bolts 7 and the reinforcing mesh are poured into the concrete, and the outer-coated concrete is not easy to peel and crack.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (4)
1. Quick butt joint of upper strata and interim fixing device about steel concrete built-up pipe, last rectangle flange and lower rectangle flange that sets up including the average level, go up the rectangle flange and go up the side welding and at the inside rectangle steel sheet structure lower tip of upper steel concrete built-up pipe, lower rectangle flange downside welding is at the inside rectangle steel sheet structure upper end of lower floor steel concrete built-up pipe, go up the rectangle flange and all offer the rectangular hole that corresponds with the inside cavity of rectangle steel sheet structure down on the rectangle flange, go up the rectangle flange downside and correspond the contact with lower rectangle flange upside, its characterized in that: the inner wall of a rectangular hole of the upper rectangular flange is fixedly provided with a plurality of positioning plates, the lower side edge of each positioning plate extends into the rectangular hole of the lower rectangular flange, the lower side edge of each positioning plate is fixedly connected with a wedge-shaped clamping plate, the direction from the center of the rectangular hole to each side edge of the rectangular hole is the direction from inside to outside, the inner side surface of the wedge-shaped clamping plate is flush with the inner side surface of the positioning plate, the outer side surface of the positioning plate is in contact with the lower rectangular flange, the wedge-shaped clamping plate is in a wedge-shaped structure with the upper part thick and the lower part thin along the inside and outside direction, the upper end of the wedge-shaped clamping plate is in contact; one side surface or two side surfaces of the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe are provided with temporary supporting mechanisms.
2. The device for quickly butting and temporarily fixing the upper layer and the lower layer of the steel-concrete combined pipe according to claim 1, is characterized in that: set up inside and outside penetrating screw hole on the locating plate, the first one and the lower half of screw hole are located respectively rectangle flange and the upper portion and the lower part of connecting joint between the rectangle flange down, go up rectangle flange downside and rectangle flange up the side correspondence down and set up with the inside and outside penetrating unthreaded hole of screw hole, adjusting bolt is worn to be equipped with in the unthreaded hole, the unthreaded hole equals with adjusting bolt's pole portion diameter, adjusting bolt's inner threaded connection is in the threaded hole, adjusting bolt is thick conical polished rod structure outside the unthreaded hole in the part.
3. The device for quickly butting and temporarily fixing the upper layer and the lower layer of the steel-concrete combined pipe according to claim 2, is characterized in that: the connecting seam between the upper rectangular flange and the lower rectangular flange is connected into a whole in a welding mode, the head parts of the outer ends of the adjusting bolts are fixedly connected with the reinforcing mesh, outer-coated concrete in which the adjusting bolts and the reinforcing mesh are embedded is poured between the lower end of the upper layer steel concrete combined pipe and the upper end of the lower layer steel concrete combined pipe, and the outer surfaces of the outer-coated concrete, the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe are correspondingly flush.
4. The device for quickly butting and temporarily fixing the upper layer and the lower layer of the steel-concrete combined pipe according to claim 1, is characterized in that: the temporary support mechanism comprises two groups of inclined strut positioning components which are respectively positioned at the left side and the right side of the upper layer steel concrete combined pipe;
the upper layer steel concrete composite pipe and the lower layer steel concrete composite pipe have the same structure, the upper layer steel concrete composite pipe comprises a concrete layer poured on the outer side part of the rectangular steel plate structure, a plurality of screw tie bars penetrate between the front side plate and the rear side plate of the rectangular steel plate structure, and the front end and the rear end of each screw tie bar are embedded in the concrete layer;
each group of inclined strut positioning components comprises an internal thread sleeve, inclined struts and straight struts, wherein the internal thread sleeve is provided with a plurality of internal thread sleeves, each internal thread sleeve is pre-embedded in a concrete layer, at least two internal thread sleeves are arranged along the vertical direction, one end or two ends of a screw tie bar corresponding to the internal thread sleeves are correspondingly and threadedly connected with a half section in the internal thread sleeve, the other half section in the internal thread sleeve is threadedly connected with positioning studs extending out of the side surface of an upper layer steel concrete combined pipe, the straight struts are made of channel steel and are vertically arranged, mounting holes corresponding to a plurality of positioning studs arranged up and down are formed in the straight struts, mounting holes at the lower parts of the straight struts correspond to positioning studs arranged at the upper parts of lower layer steel concrete combined pipes, the positioning studs penetrate through the mounting holes one by one and fix the straight struts through gaskets and positioning nuts, and the upper parts of the straight struts are hinged with the upper ends of the inclined struts through, the lower end of the diagonal brace is hinged with a supporting disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920635761.2U CN210164054U (en) | 2019-05-06 | 2019-05-06 | Quick butt joint and temporary fixing device for upper and lower layers of steel concrete composite pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920635761.2U CN210164054U (en) | 2019-05-06 | 2019-05-06 | Quick butt joint and temporary fixing device for upper and lower layers of steel concrete composite pipe |
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| CN210164054U true CN210164054U (en) | 2020-03-20 |
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| CN201920635761.2U Active CN210164054U (en) | 2019-05-06 | 2019-05-06 | Quick butt joint and temporary fixing device for upper and lower layers of steel concrete composite pipe |
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| CN (1) | CN210164054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016969A (en) * | 2019-05-06 | 2019-07-16 | 河南绿建建筑科技有限公司 | Steel concrete compound tube upper and lower level rapid abutting joint and temporary fastening device |
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2019
- 2019-05-06 CN CN201920635761.2U patent/CN210164054U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016969A (en) * | 2019-05-06 | 2019-07-16 | 河南绿建建筑科技有限公司 | Steel concrete compound tube upper and lower level rapid abutting joint and temporary fastening device |
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