CN214575211U - Assembled precast concrete stair connecting device - Google Patents
Assembled precast concrete stair connecting device Download PDFInfo
- Publication number
- CN214575211U CN214575211U CN202023108723.3U CN202023108723U CN214575211U CN 214575211 U CN214575211 U CN 214575211U CN 202023108723 U CN202023108723 U CN 202023108723U CN 214575211 U CN214575211 U CN 214575211U
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- China
- Prior art keywords
- wall
- threaded rod
- threaded
- connecting device
- internal thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011178 precast concrete Substances 0.000 title claims abstract description 12
- 125000003003 spiro group Chemical group 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 9
- 239000004567 concrete Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model discloses an assembled precast concrete stair connecting device, comprising a base plate, bottom plate top one side outer wall has first threaded rod through the mounting hole spiro union, and first threaded rod outer wall has cup jointed the backup pad, open backup pad top both sides outer wall has the fixed orifices, first threaded rod outer wall spiro union has first internal thread pipe, and first internal thread pipe top outer wall has the bracing piece through the bearing welding, bracing piece top outer wall welding has the fixed plate, the screw hole that has symmetric distribution is opened to fixed plate one side outer wall. The utility model discloses a thereby the rotation of second threaded rod drives the push pedal and removes and can remove prefabricated floor and carry out the alignment to prefabricated floor, and the mode of such operation adjusts labour saving and time saving and improves the security to the straightness accuracy of stair, reduces the construction degree of difficulty, and cooperation through between third internal thread pipe and fifth threaded rod and the supporting shoe can strengthen fixedly after the prefabricated floor alignment, increases its fastness.
Description
Technical Field
The utility model relates to a technical field is connected to the stair, especially relates to an assembled precast concrete stair connecting device.
Background
The key technical problem of the prefabricated staircase is that the connection mode of the prefabricated staircase and a main body structure directly influences the hoisting difficulty and the safety performance. At present, the connection method of the domestic prefabricated assembled stairway is mainly that the ladder beam is used for carrying out ear picking, pre-embedded bolts are arranged at the ear picking positions, one end of each pre-embedded bolt is fixed through the pre-embedded bolts, and the other end of each pre-embedded bolt is used for limiting the sliding amount. The method can not ensure the straightness of the prefabricated staircase during construction, and has great danger due to the fact that the prefabricated staircase needs to be lifted and lowered continuously during straightening, so that the method needs to be researched, optimized and improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an assembly type precast concrete stair connecting device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an assembly type precast concrete stair connecting device comprises a bottom plate, wherein a first threaded rod is connected to the outer wall of one side of the top of the bottom plate through a mounting hole in a screwed mode, a supporting plate is sleeved on the outer wall of the first threaded rod, fixing holes are formed in the outer walls of two sides of the top of the supporting plate, a first inner threaded pipe is connected to the outer wall of the top of the first inner threaded pipe in a screwed mode, a supporting rod is welded to the outer wall of the top of the supporting rod through a bearing, a fixing plate is welded to the outer wall of the top of the supporting rod, symmetrically distributed threaded holes are formed in the outer wall of one side of each threaded hole, a second threaded rod is connected to the outer wall of one side of each second threaded rod through a bearing in a screwed mode, a fixing frame is welded to the outer walls of two sides of the bottom of the fixing plate, a third threaded rod is connected to the fixing frame through a rotating rod, symmetrically distributed fourth threaded rods are welded to the outer wall of the top of the bottom plate, and a second inner threaded pipe is connected to the outer wall of the fourth threaded rod in a screwed mode, the outer wall of two sides of the second internal thread pipe is welded with third internal thread pipes which are symmetrically distributed, the inner wall of each third internal thread pipe is connected with a fifth threaded rod in a threaded mode, and the outer wall of one side of each fifth threaded rod is welded with a supporting block through a bearing.
Preferably, the outer wall of one side of the second threaded rod is welded with a handle, and the outer wall of the handle is bonded with an anti-slip pad.
Preferably, the outer wall of the third threaded rod is screwed with a fixing nut.
Preferably, the outer wall of the fourth threaded rod is screwed with a fixing nut, and the size of the outer wall of the fixing nut is matched with that of the outer wall of the second internal thread pipe.
Preferably, the outer wall of the top of the supporting plate is provided with a sleeving hole, and the size of the inner wall of the sleeving hole is matched with that of the outer wall of the first threaded rod.
Preferably, the inner wall of the fixing hole is sleeved with the outer wall of the third threaded rod, and the size of the inner wall of the fixing hole is matched with that of the outer wall of the third threaded rod.
The utility model has the advantages that:
1. according to the assembled precast concrete stair connecting device, the prefabricated floor slabs can be moved by driving the push plate to move through rotation of the second threaded rod, so that the prefabricated floor slabs are straightened, the straightness of the stair is adjusted in such an operation mode, time and labor are saved, the safety is improved, and the construction difficulty is reduced;
2. this assembled precast concrete stair connecting device of design can strengthen fixedly after the alignment of precast floor through the cooperation between third internal thread pipe and fifth threaded rod and the supporting shoe, increases its fastness, thereby prevents to appear squinting at the in-process of installation and lead to the problem that the potential safety hazard was left to the existence.
Drawings
Fig. 1 is a front view of the overall structure of an assembly type precast concrete stair connection device provided by the utility model;
fig. 2 is a front view of a base structure of the prefabricated concrete stair connecting device of the present invention;
fig. 3 is the utility model provides an assembled precast concrete stair connecting device's first internal thread tubular construction cross-sectional view.
In the figure: the support plate comprises a base plate 1, a first threaded rod 2, a support plate 3, a fixing hole 4, a first internal threaded pipe 5, a support rod 6, a fixing plate 7, a threaded hole 8, a second threaded rod 9, a push plate 10, a fixing frame 11, a third threaded rod 12, a fourth threaded rod 13, a second internal threaded pipe 14, a third internal threaded pipe 15, a fifth threaded rod 16 and a support block 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, an assembly type precast concrete stair connection device comprises a bottom plate 1, wherein a first threaded rod 2 is screwed on the outer wall of one side of the top of the bottom plate 1 through a mounting hole, a supporting plate 3 is sleeved on the outer wall of the first threaded rod 2, a sleeving hole is formed in the outer wall of the top of the supporting plate 3, the size of the inner wall of the sleeving hole is matched with that of the outer wall of the first threaded rod 2, fixing holes 4 are formed in the outer walls of two sides of the top of the supporting plate 3, a first internal threaded pipe 5 is screwed on the outer wall of the first threaded rod 2, a supporting rod 6 is welded on the outer wall of the top of the first internal threaded pipe 5 through a bearing, a fixing plate 7 is welded on the outer wall of the top of the supporting rod 6, symmetrically distributed threaded holes 8 are formed in the outer wall of one side of the fixing plate 7, a second threaded rod 9 is screwed on the inner wall of the threaded hole 8, and a push plate 10 is welded on the outer wall of one side of the second threaded rod 9 through a bearing, the outer wall of one side of the second threaded rod 9 is welded with a handle, the outer wall of the handle is bonded with an anti-slip mat, the prefabricated floor slab can be moved by driving the push plate 10 to move through rotation of the second threaded rod 9, and therefore the prefabricated floor slab can be straightened, the straightness of the stair is adjusted in such an operation mode, time and labor are saved, safety is improved, and construction difficulty is reduced;
the outer wall welding of both sides of fixed plate 7 bottom has mount 11, and mount 11 is connected with third threaded rod 12 through the dwang, the spiro union of third threaded rod 12 outer wall has fixation nut, the inner wall of fixed orifices 4 cup joints with third threaded rod 12 outer wall mutually, and the inner wall size of fixed orifices 4 and the outer wall size looks adaptation of third threaded rod 12, bottom plate 1 top outer wall welding has the fourth threaded rod 13 of symmetric distribution, and fourth threaded rod 13 outer wall spiro union has second internal thread pipe 14, fourth threaded rod 13 outer wall spiro union has fixation nut, and the outer wall size of fixation nut and the outer wall size adaptation of second internal thread pipe 14, the outer wall welding of second internal thread pipe 14 both sides has the third internal thread pipe 15 of symmetric distribution, and the spiro union of third internal thread pipe 15 inner wall has fifth threaded rod 16, the outer wall of fifth threaded rod 16 one side has supporting shoe 17 through the bearing welding, through the cooperation between third internal thread pipe 15 and fifth threaded rod 16 and the supporting shoe 17 can strengthen fixedly after the precast floor alignment, increase its fastness, thereby prevent to appear the skew at the in-process of installation and lead to the problem that the potential safety hazard was left to the existence.
The working principle is as follows: when the user uses this equipment, at first be fixed in the ground with bottom plate 1 on, cup joint the preformed hole at prefabricated floor both ends in the outer wall of fourth threaded rod 13, then with 2 spiro couplings of first threaded rod on bottom plate 1 and cup joint backup pad 3 and first threaded rod 2 mutually, and place 1 top outer wall of bottom plate, with 5 spiro couplings of first internal thread pipe in 2 outer walls of first threaded rod and cup joint in 4 inner walls of fixed orifices and fix with third threaded rod 12, it moves and straightens prefabricated floor to rotate second threaded rod 9 and drive push pedal 10, at last after the alignment end with the supporting shoe 17 with the preformed hole laminating of prefabricated floor fixed again to the inside concreting of preformed hole.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The assembled precast concrete stair connecting device comprises a bottom plate (1) and is characterized in that the outer wall of one side of the top of the bottom plate (1) is connected with a first threaded rod (2) through a mounting hole in a threaded manner, the outer wall of the first threaded rod (2) is sleeved with a supporting plate (3), fixing holes (4) are formed in the outer walls of two sides of the top of the supporting plate (3), a first internal threaded pipe (5) is connected with the outer wall of the first threaded rod (2) in a threaded manner, a supporting rod (6) is welded on the outer wall of the top of the first internal threaded pipe (5) through a bearing, a fixing plate (7) is welded on the outer wall of the top of the supporting rod (6), symmetrically distributed threaded holes (8) are formed in the outer wall of one side of the fixing plate (7), a second threaded rod (9) is connected with the inner wall of the threaded hole (8) in a threaded manner, a push plate (10) is welded on the outer wall of one side of the second threaded rod (9) through a bearing, and fixing frames (11) are welded on two sides of the bottom of the fixing plate (7), and mount (11) are connected with third threaded rod (12) through the dwang, bottom plate (1) top outer wall welding has fourth threaded rod (13) of symmetric distribution, and fourth threaded rod (13) outer wall spiro union has second internal thread pipe (14), second internal thread pipe (14) both sides outer wall welding has third internal thread pipe (15) of symmetric distribution, and third internal thread pipe (15) inner wall spiro union has fifth threaded rod (16), the outer wall of fifth threaded rod (16) one side has supporting shoe (17) through bearing welding.
2. The prefabricated concrete stair connecting device according to claim 1, wherein a handle is welded to the outer wall of one side of the second threaded rod (9), and a non-slip mat is bonded to the outer wall of the handle.
3. The prefabricated concrete stair connecting device according to claim 1, wherein a fixing nut is screwed on the outer wall of the third threaded rod (12).
4. The prefabricated concrete stair connecting device according to claim 1, wherein a fixing nut is screwed on the outer wall of the fourth threaded rod (13), and the size of the outer wall of the fixing nut is matched with that of the outer wall of the second internally threaded pipe (14).
5. The prefabricated concrete stair connecting device of claim 1, wherein the outer wall of the top of the supporting plate (3) is provided with a sleeving hole, and the size of the inner wall of the sleeving hole is matched with that of the outer wall of the first threaded rod (2).
6. The prefabricated concrete stair connecting device of claim 1, wherein the inner wall of the fixing hole (4) is sleeved with the outer wall of the third threaded rod (12), and the size of the inner wall of the fixing hole (4) is matched with that of the outer wall of the third threaded rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023108723.3U CN214575211U (en) | 2020-12-22 | 2020-12-22 | Assembled precast concrete stair connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023108723.3U CN214575211U (en) | 2020-12-22 | 2020-12-22 | Assembled precast concrete stair connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214575211U true CN214575211U (en) | 2021-11-02 |
Family
ID=78365433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023108723.3U Expired - Fee Related CN214575211U (en) | 2020-12-22 | 2020-12-22 | Assembled precast concrete stair connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214575211U (en) |
-
2020
- 2020-12-22 CN CN202023108723.3U patent/CN214575211U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |