CN203393929U - Adjustable temporary protective barrier for stairs - Google Patents
Adjustable temporary protective barrier for stairs Download PDFInfo
- Publication number
- CN203393929U CN203393929U CN201320375213.3U CN201320375213U CN203393929U CN 203393929 U CN203393929 U CN 203393929U CN 201320375213 U CN201320375213 U CN 201320375213U CN 203393929 U CN203393929 U CN 203393929U
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- China
- Prior art keywords
- cross tube
- connecting rod
- guard rail
- temporary protective
- rail unit
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Abstract
The utility model discloses an adjustable temporary protective barrier for stairs. The temporary protective barrier comprises a plurality of protective barrier units which are sequentially arranged from bttom to top along the edge of the stairs in a head-to-tail connection way. The temporary protective barrier is characterized in that each protective barrier unit comprises an upper cross rod, a lower cross rod and two stand columns, wherein the upper ends of the two stand columns are connected with the upper cross rod, the two ends of the lower cross rod are respectively connected with the two stand columns, and the upper cross rod consists of a tubular product; every two adjacent protective barrier units are connected in the head-to-tail way through a connecting rod, the two ends of each connecting rod are respectively inserted into the cavities of the upper cross rods of the two protective barrier units, and the tube walls of the upper cross rods are provided with fastening screws, the ends of the fastening screws stretch into the cavities of the upper cross rods and support the connecting rods. The temporary protective barrier has the following advantages: (1) the temporary protective barrier is adjustable and is suitable for the requirements of various stair types; (2) the temporary protective barrier can be conveniently and quickly installed and disassembled, and the manual cost is little; (3) the temporary protective barrier can be used repeatedly, and can be carried and stored very conveniently; (4) the structure is firm and reliable, and the safety protection performance is good; (5) the temporary protective barrier is neat and attractive in appearance.
Description
Technical field
The utility model relates to the safety protection facility to personnel in building construction process, is specifically related to a kind of adjustable staircase temporary protective railing.
Background technology
Stair, as topmost upper lower channel in building operations, are the significant points of site safety protection.For the safety that guarantees that constructor works and walks, the generation of prevention casualty accident, in building construction process, after having built concrete step, must, before formal stair railing is installed, set up temporary protection railing at the edge of stair.
At present, the staircase temporary protective railing of job site adopts steel pipe and fastener association form to set up substantially, or adopts the mixed form of taking of steel bamboo to set up, or the form that adopts bamboo bar to add plastic ties is set up.The staircase temporary protective railing that adopts steel pipe and fastener association form to set up, although security protection performance is good, material requested consumption is large, turnover cost is higher, and the waste of material causing is also relatively large, and attachment fastener exists potential safety hazard, set up operation loaded down with trivial details, labour cost is higher; The staircase temporary protective railing that the form that adopts the mixed form of taking of steel bamboo to set up or adopt bamboo bar to add plastic ties is set up, although cost is lower, can not meet the fire-fighting requirement of job site, and security protection performance is lower, and perception is poor.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of adjustable staircase temporary protective railing, and this staircase temporary protective railing is adjustable, can adapt to various ladder types, can repeatedly use, install, dismantle simple and efficient, and security protection performance is good, neat and artistic.The technical scheme adopting is as follows:
A kind of adjustable staircase temporary protective railing, comprise a plurality of guard rail unit that are arranged in order from bottom to top along stair edge and connect from beginning to end, it is characterized in that: described guard rail unit comprises cross tube, sheer pole and two columns, two column upper ends are all connected with cross tube, sheer pole two ends are connected with two columns respectively, and cross tube consists of tubing; Between adjacent two guard rail unit, by connecting rod, connect from beginning to end, connecting rod two ends are inserted into respectively in the cavity of cross tube of these two guard rail unit, on the tube wall of cross tube, trip bolt is installed, trip bolt end is stretched in the cavity of cross tube and is withstood connecting rod.
By connecting rod, adjacent two guard rail unit are connected, each guard rail unit is connected; Above-mentioned cross tube is handrail cross bar, and cross tube and connecting rod form the handrail of staircase temporary protective railing jointly.
Connecting rod in same stair bench between adjacent two guard rail unit adopts linear connecting rod; According to the length of stair bench, by regulating connecting rod to be inserted into the length of the part in the cross tube cavity of adjacent two guard rail unit, can make the length of guard rail in this stair bench and stair bench adapt.Connecting rod in guard rail unit in next stair bench and an adjacent upper stair bench between adjacent guard rail unit adopts bent connecting rod, respectively there is a straightway at bent connecting rod two ends, the certain angle that staggers between these two straightways (angle between this angle and adjacent two stair bench adapts).Conventionally, the cross section outer rim of linear connecting rod consistent with the cross section inner edge shape of cross tube (for example both are rectangle or are circle), the cross section physical dimension of linear connecting rod is slightly less than the cross section inner dimensions of cross tube; The cross section outer rim of the straightway at bent connecting rod two ends consistent with the cross section inner edge shape of cross tube (for example both are rectangle or are circle), the cross section physical dimension of the straightway at bent connecting rod two ends is slightly less than the cross section inner dimensions of cross tube.
When the cross tube of guard rail unit is connected with connecting rod, the end of trip bolt is withstood connecting rod and is inserted into the part in cross tube cavity, thereby cross tube and connecting rod are fixed together.In a kind of concrete scheme, in the situation that cross tube tube wall is thinner, on the tube wall at cross tube both ends, be equipped with through hole, described through hole is communicated with the cavity of cross tube, and position corresponding with described through hole on cross tube outer wall is welded with nut, the screw of nut communicates with through hole, and described trip bolt is arranged on nut.In another kind of concrete scheme, in the situation that cross tube tube wall is thicker, be equipped with the screw being communicated with cross tube cavity on the tube wall at cross tube both ends, described trip bolt is arranged in this screw.
Conventionally, above-mentioned column lower end is fixed with base plate, and base plate is provided with a plurality of (as two to four) for assembling the installing hole of expansion bolt.Above-mentioned base plate adopts steel plate conventionally, base plate and column lower end welding.When guard rail unit is installed, can adopt electric impact drill hole (the about 50mm of hole depth) on the step plate of stair bench, then the position of regulating base board, tightens expansion bolt and proofreaies and correct verticality of stand column, thereby guard rail unit is fixedly mounted in stair bench.
In a kind of concrete scheme, in above-mentioned guard rail unit, all weld with cross tube two column upper ends, weld with two columns respectively at sheer pole two ends, form fixing guard rail unit, this guard rail unit is easier to processing, but angle between its cross tube and column is changeless, is only suitable for the stair bench of certain slope.
In another kind of concrete scheme, in above-mentioned guard rail unit, two column upper ends are all hinged with cross tube, sheer pole two ends are hinged with two columns respectively, and two columns are parallel to each other, cross tube and sheer pole are parallel to each other, and the angle in this guard rail unit between cross tube and column is adjustable, can be applicable to flexibly the stair bench of various different gradient.
Conventionally, above-mentioned sheer pole, column and connecting rod also consist of tubing.General steel pipe or the coating steel pipe of adopting made cross tube, sheer pole, column and connecting rod, preferred rectangular steel pipe, for example, it is that 50 * 25 * 2mm(is 25 millimeters, 50 millimeters of ,Zhai limits of cross section broadside, 2 millimeters of wall thickness that cross tube and column adopt specification) Thin Rectangular steel pipe manufacturing, it is that 45 * 20 * 2mm(is 20 millimeters, 45 millimeters of ,Zhai limits of cross section broadside, 2 millimeters of wall thickness that sheer pole and connecting rod adopt specification) Thin Rectangular steel pipe manufacturing; In order to make guard rail can bear larger lateral impact forces, during making, conventionally make the broadside of each Thin Rectangular steel pipe be parallel to the horizontal of stair step.
The utility model connects adjacent two guard rail unit by connecting rod, each guard rail unit is connected, form staircase temporary protective railing, this staircase temporary protective railing has following advantage: (1) is adjustable, during installation, can make the length of guard rail in each stair bench adapt with corresponding stair bench, can adapt to the needs of various ladder types; (2) by trip bolt, can realize the connection between each guard rail unit, can be by each guard rail cellular installation in stair bench by expansion bolt, to install, dismantle simple and efficient, labour cost is few; (3) dismantling the members such as rear protective guard bar unit and connecting rod can repeatedly use, and carries and deposit very convenient; (4) sound construction is reliable, and security protection performance is good; (5) neat and artistic.In addition, the members such as guard rail unit and connecting rod can by stair size at the construction field (site) or logistics workshop prefabricated in batch, manufacturing cost is lower.
Accompanying drawing explanation
Fig. 1 is the structural representation (part illustrates adjacent two stair bench) of the utility model preferred embodiment;
Fig. 2 is the enlarged drawing of A part in Fig. 1 position of corresponding cross tube connection (the connecting rod one end with);
Fig. 3 is that the B of Fig. 2 is to view;
Fig. 4 is the top view of Fig. 1 central post;
Fig. 5 is the structural representation of the another kind of guard rail of the utility model unit.
The specific embodiment
As shown in Figure 1, this adjustable staircase temporary protective railing comprises a plurality of guard rail unit 1 that are arranged in order from bottom to top along stair edge and connect from beginning to end; Guard rail unit 1 comprise cross tube 11, sheer pole 12 and 13, two column 13 upper ends of two columns all with cross tube 11 welding, sheer pole 12 two ends respectively with two columns 13 welding, cross tube 11 consists of tubing; Between adjacent two guard rail unit 1, by connecting rod 2 head and the tail, connect, connecting rod 2 two ends are inserted into respectively in the cavity 14 of cross tube 11 of these two guard rail unit 1, trip bolt 3 is installed on the tube wall of cross tube 11, and trip bolt 3 ends are stretched in the cavity 14 of cross tube 11 and are withstood connecting rod 2.
Referring to figs. 2 and 3, in the present embodiment, on the tube wall at cross tube 11 both ends, be equipped with through hole 15, through hole 15 is communicated with the cavity 14 of cross tube 11, and position corresponding with through hole 15 on cross tube 11 outer walls is welded with nut 4, the screw of nut 4 communicates with through hole 15, and trip bolt 3 is arranged on nut 4; When the cross tube 11 of guard rail unit 1 is connected with connecting rod 2, the end of trip bolt 3 is withstood connecting rod 2 and is inserted into the part in cross tube cavity 14, thereby cross tube 11 and connecting rod 2 are fixed together.
With reference to figure 4, column 13 lower ends are fixed with base plate 16, and base plate 16 is provided with a plurality of (as two to four) for assembling the installing hole 17 of expansion bolt 5.Base plate 16 adopts steel plate, base plate 16 and column 13 lower end welding.
Connecting rod 2 in same stair bench 6 between adjacent two guard rail unit 1 adopts linear connecting rod 2-1.Connecting rod in guard rail unit 1 in next stair bench 6 and an adjacent upper stair bench 6 between adjacent guard rail unit 1 adopts bent connecting rod 2-2, respectively there is a straightway (being respectively straightway 21 and straightway 22) at bent connecting rod 2-2 two ends, the certain angle (angle between this angle and adjacent two stair bench 6 adapts) that staggers between straightway 21 and straightway 22, straightway 21 is connected with straightway 22 by interlude 23.
In the present embodiment, it is that 50 * 25 * 2mm(is 25 millimeters, 50 millimeters of ,Zhai limits of cross section broadside, 2 millimeters of wall thickness that cross tube 11 and column 13 adopts specifications) Thin Rectangular steel pipe manufacturing, it is that 45 * 20 * 2mm(is 20 millimeters, 45 millimeters of ,Zhai limits of cross section broadside, 2 millimeters of wall thickness that sheer pole 12 and connecting rod 2 adopt specifications) Thin Rectangular steel pipe manufacturing.The Thin Rectangular steel pipe that linear connecting rod 2-1 is 45 * 20 * 2mm by one section of specification forms; The Thin Rectangular steel pipe that bent connecting rod 2-2 is 45 * 20 * 2mm by three sections of specifications that connect successively forms.
The mounting method of above-mentioned adjustable staircase temporary protective railing is: each guard rail unit 1 is installed from bottom to top successively; By first guard rail unit 1(1-1) be arranged in stair bench 6 after, mounted first guard rail unit 1(1-1 is inserted in connecting rod 2 one end) cross tube 11 in (insert this cross tube 11 upper end certainly), and tighten corresponding trip bolt 3, make connecting rod 2 and first guard rail unit 1(1-1) cross tube 11 be fixed together; Again by second guard rail unit 1(1-2) cross tube 11 be enclosed within connecting rod 2 other ends, then tighten corresponding trip bolt 3, make connecting rod 2 and second guard rail unit 1(1-2) cross tube 11 be fixed together, and by second guard rail unit 1(1-2) be arranged in stair bench 6, thereby complete first guard rail unit 1(1-1) and second guard rail unit 1(1-2) installation; With reference to said method, all the other guard rail unit 1 are installed subsequently.
The method that guard rail unit 1 is installed in stair bench 6 is: adopt electric impact drill hole on the step plate of stair bench 6 (the about 50mm of hole depth), then regulating base board 16 position, tighten expansion bolt 5 and proofread and correct verticality of stand column, thereby guard rail unit 1 is fixedly mounted in stair bench 6.
As shown in Figure 5, in this guard rail unit, two column 13 upper ends are all hinged with cross tube 11, sheer pole 12 two ends are hinged with two columns 13 respectively, and two columns 13 are parallel to each other, cross tube 11 is parallel to each other with sheer pole 12, and the angle in this guard rail unit between cross tube 11 and column 13 is adjustable, can be applicable to flexibly the stair bench of various different gradient.Between column 13 upper ends and cross tube 11, can realize hinged by following structure: on cross tube 11, be welded with two braces 18; Brace 18 is provided with through hole, and column 13 upper ends are provided with bolt mounting holes, and fastening bolt 19 is in the bolt mounting holes of through hole on brace 18 and column 13 upper ends.Between sheer pole 12 ends and column 13, can realize hinged by following structure: on column 13, be welded with brace 110, this brace 110 is provided with through hole, sheer pole 12 ends are provided with bolt mounting holes, and fastening bolt 111 is in the bolt mounting holes of through hole on brace 110 and sheer pole 12 ends.During installation, according to the gradient of stair bench, regulate after the angle between column 13 and cross tube 11, tighten each fastening bolt 19,111, make the setting of guard rail unit.In addition, in order to make this guard rail block construction more firm, can between cross tube 11 and a column 13, set up a diagonal control arm (this diagonal control arm one end and cross tube 11 are hinged, the other end and column 13 removably connect), or between sheer pole 12 and a column 13, set up a diagonal control arm (this diagonal control arm one end and sheer pole 12 are hinged, the other end and column 13 removably connect).
In other embodiment, in the situation that cross tube tube wall is thicker, also can on the tube wall at cross tube both ends, process the screw being communicated with cross tube cavity, this screw is used for installing trip bolt.
Claims (7)
1. an adjustable staircase temporary protective railing, comprise a plurality of guard rail unit that are arranged in order from bottom to top along stair edge and connect from beginning to end, it is characterized in that: described guard rail unit comprises cross tube, sheer pole and two columns, two column upper ends are all connected with cross tube, sheer pole two ends are connected with two columns respectively, and cross tube consists of tubing; Between adjacent two guard rail unit, by connecting rod, connect from beginning to end, connecting rod two ends are inserted into respectively in the cavity of cross tube of these two guard rail unit, on the tube wall of cross tube, trip bolt is installed, trip bolt end is stretched in the cavity of cross tube and is withstood connecting rod.
2. adjustable staircase temporary protective railing according to claim 1, is characterized in that: the connecting rod in same stair bench between adjacent two guard rail unit adopts linear connecting rod; Connecting rod in guard rail unit in next stair bench and an adjacent upper stair bench between adjacent guard rail unit adopts bent connecting rod, and respectively there is a straightway at bent connecting rod two ends.
3. adjustable staircase temporary protective railing according to claim 1 and 2, it is characterized in that: on the tube wall at described cross tube both ends, be equipped with through hole, described through hole is communicated with the cavity of cross tube, and position corresponding with described through hole on cross tube outer wall is welded with nut, the screw of nut communicates with through hole, and described trip bolt is arranged on nut.
4. adjustable staircase temporary protective railing according to claim 1 and 2, is characterized in that: on the tube wall at described cross tube both ends, be equipped with the screw being communicated with cross tube cavity, described trip bolt is arranged in this screw.
5. adjustable staircase temporary protective railing according to claim 1 and 2, is characterized in that: described column lower end is fixed with base plate, and base plate is provided with a plurality of for assembling the installing hole of expansion bolt.
6. adjustable staircase temporary protective railing according to claim 1 and 2, is characterized in that: in described guard rail unit, all weld with cross tube two column upper ends, and weld with two columns respectively at sheer pole two ends.
7. adjustable staircase temporary protective railing according to claim 1 and 2, it is characterized in that: in described guard rail unit, two column upper ends are all hinged with cross tube, and sheer pole two ends are hinged with two columns respectively, and two columns are parallel to each other, cross tube and sheer pole are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320375213.3U CN203393929U (en) | 2013-06-27 | 2013-06-27 | Adjustable temporary protective barrier for stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320375213.3U CN203393929U (en) | 2013-06-27 | 2013-06-27 | Adjustable temporary protective barrier for stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203393929U true CN203393929U (en) | 2014-01-15 |
Family
ID=49905469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320375213.3U Expired - Fee Related CN203393929U (en) | 2013-06-27 | 2013-06-27 | Adjustable temporary protective barrier for stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203393929U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074320A (en) * | 2014-07-16 | 2014-10-01 | 深圳市特艺达装饰设计工程有限公司 | Method for fast mounting handrails |
| CN104533102A (en) * | 2014-12-03 | 2015-04-22 | 中建八局第一建设有限公司 | Temporary guard railing for stair |
| CN104631849A (en) * | 2015-02-16 | 2015-05-20 | 中冶建工集团有限公司 | Stairway edge construction protective barrier and mounting method |
-
2013
- 2013-06-27 CN CN201320375213.3U patent/CN203393929U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074320A (en) * | 2014-07-16 | 2014-10-01 | 深圳市特艺达装饰设计工程有限公司 | Method for fast mounting handrails |
| CN104533102A (en) * | 2014-12-03 | 2015-04-22 | 中建八局第一建设有限公司 | Temporary guard railing for stair |
| CN104631849A (en) * | 2015-02-16 | 2015-05-20 | 中冶建工集团有限公司 | Stairway edge construction protective barrier and mounting method |
| CN104631849B (en) * | 2015-02-16 | 2016-11-23 | 中冶建工集团有限公司 | A kind of stair face limit construction protection railing and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20160627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |