CN204000932U - Lower channel in safety in a kind of deep foundation pit construction operation - Google Patents
Lower channel in safety in a kind of deep foundation pit construction operation Download PDFInfo
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- CN204000932U CN204000932U CN201420292206.1U CN201420292206U CN204000932U CN 204000932 U CN204000932 U CN 204000932U CN 201420292206 U CN201420292206 U CN 201420292206U CN 204000932 U CN204000932 U CN 204000932U
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Abstract
The utility model belongs to escape way device field, relate in particular to lower channel in the safety in a kind of deep foundation pit construction operation, comprise frame mechanism, bindiny mechanism, stair mechanism and safety passway door, described frame mechanism comprises crossbeam, longeron, column, drag link, longitudinal tie, center stand column and bearing diagonal part, described bearing diagonal part lays respectively at the leading flank of frame mechanism, on left surface and right flank, described bearing diagonal part comprises inclined support bar, framework fixation steel plate and center fixation steel plate, described inclined support bar number is four, one end of described inclined support bar is lead frame fixation steel plate respectively, the other end is all welded on the fixation steel plate of same center.The utility model provides lower channel in the safety in a kind of simple in structure, good stability, safe deep foundation pit construction operation.
Description
Technical field
The utility model belongs to escape way device field, relates in particular to lower channel in the safety in a kind of deep foundation pit construction operation.
Background technology
At present, along with the exploitation paces of subway construction and the underground space are constantly accelerated, the developing direction of subway foundation pit engineering is " close, dark, large ", and thing followed potential safety hazard also will get more and more.Construction period, site operation personnel need to enter foundation ditch by lower channel on foundation ditch and carry out construction operation, therefore, must make the access staircase up and down of safety standard, ensure constructor's safety.The upper lower channel of foundation ditch safety of prior art comprises a channel roof, two passage sides, channel roof upper cross bar end face is fixed on the lumps of wood with bolt, on the lumps of wood, be fixed with China fir plate, between column on passage side, be bolted with angle steel horizon bar and angle steel brace, passage side is provided with the railing of horizontal protective, on channel roof cross bar end face, be fixed with the lumps of wood with bolt, on the lumps of wood, be fixed with China fir plate.That the upper lower channel of foundation ditch safety of this structure has advantages of is reasonable in design, be easy to build, but in the time of actual deep foundation pit construction operation, has a lot of problems:
1, build step complexity, mount and dismount more consuming timely, labour intensity is large; Complex structural designs, four too much connecting rod syndetons, the problem that existence and stability is poor, security protection is not enough.
2, the upper and lower staircase of job site foundation ditch set up that structural bearing pressure capability is inhomogeneous, to bear weight low, exist many potential safety hazards, very easily cause personnel's high fall accident.
Summary of the invention
The utility model provides lower channel in the safety in a kind of deep foundation pit construction operation, to solve the low problem of complex structure, poor stability, safety proposing in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions: the utility model provides lower channel in the safety in a kind of deep foundation pit construction operation, comprise frame mechanism, bindiny mechanism, stair mechanism and safety passway door, described frame mechanism comprises crossbeam, longeron, column, drag link, longitudinal tie, center stand column and bearing diagonal part, described crossbeam, the framework of longeron and a cuboid state of column composition, on the two sides of described frame mechanism, be equipped with two longitudinal ties, the two ends of described drag link are separately fixed near on crossbeam corresponding to two longitudinal tie upper ends of safety passway door, described center stand column two ends are separately fixed at two longeron middle parts of trailing flank, described bearing diagonal part lays respectively at the leading flank of frame mechanism, on left surface and right flank, described bearing diagonal part comprises inclined support bar, framework fixation steel plate and center fixation steel plate, described inclined support bar number is four, one end of described inclined support bar is lead frame fixation steel plate respectively, the other end is all welded on the fixation steel plate of same center, described bindiny mechanism comprises connection fixing base, screw bolt and nut, described connection fixing base is separately positioned on the corresponding crossbeam in column, longitudinal tie two ends in frame mechanism left and right sides, described connection fixing base is provided with through hole, described bolt is through the through hole on the connection fixing base of upper and lower Liang Ge docking framework mechanism, and described nut is fixed on bolt, described safety passway door comprises peripheral frame, support bar and connecting rod, one side of described peripheral frame is movably arranged in center stand column, described peripheral frame is provided with three transverse support bar, between described peripheral frame and support bar, be welded with respectively connecting rod between support bar and support bar.
Described stair mechanism comprises bottom surface platform, halfpace, epimere stair and hypomere stair, described bottom surface platform is fixed near on the frame mechanism bottom surface of reveal, described halfpace is fixed on by the plane forming near center fixation steel plate, column and the longitudinal tie of leading flank, the lower end of described hypomere stair is welded on the platform of bottom surface, upper end is welded on halfpace, the lower end of described epimere stair is welded on halfpace, and upper end is welded on drag link.
Described frame mechanism also comprises horizontal connecting rod, and two columns on described trailing flank are welded with horizontal connecting rod between longitudinal tie close to it respectively, between described center stand column and its left side column, is welded with horizontal connecting rod.
The surrounding of described frame mechanism is provided with expanded metal lath.
The material of described frame mechanism, inclined support bar is equal leg angle.
The peripheral frame of described safety passway door and the material of support bar are square tube, and connecting rod material is round steel.
The beneficial effects of the utility model are:
1, the utility model center stand column two ends are separately fixed at two longeron middle parts of trailing flank, equate with the distance of two heel posts, and even thereby the column of the center stand column left and right sides bears pressure, longeron is not easy distortion.
2, on the leading flank of the utility model frame mechanism, left surface and right flank, be respectively equipped with bearing diagonal part, and the project organization mode of bearing diagonal part make frame mechanism in the time bearing significant stress stressed more evenly, more firm.
3, two columns on the utility model trailing flank are welded with horizontal connecting rod between longitudinal tie close to it respectively, between center stand column and its left side column, be welded with horizontal connecting rod, the design of horizontal connecting rod and the halfpace of its respective side are realized symmetrically and evenly stressed, make frame mechanism bear pressure more greatly, more steady.
4, the material of the utility model frame mechanism, inclined support bar is equal leg angle, has increased the dynamics of bearing of bindiny mechanism's Nodes.
5, the peripheral frame of the utility model safety passway door and the material of support bar are square tube, and connecting rod material is round steel, and this material adapted is light when safety passway door is opened, and bears pressure large while closing.
6, the surrounding of the utility model frame mechanism is provided with expanded metal lath, and construction experiment result shows, 3mm steel plate net has ensured the safety of frame mechanism internal construction, is not subject to the impact on deep-foundation side wall surface.
Brief description of the drawings
Fig. 1 is basic structure schematic diagram of the present utility model.
Fig. 2 is the 180 degree rotational structure schematic diagrames of Fig. 1 of the present utility model.
Fig. 3 is the structural representation of the utility model band expanded metal lath.
Fig. 4 is the utility model connecting assembling structure schematic diagram.
In figure: 1-frame mechanism, 2-bindiny mechanism, 3-stair mechanism, 4-safety passway door, 5-crossbeam, 6-longeron, 7-column, 8-drag link, 9-longitudinal tie, 10-center stand column, the horizontal connecting rod of 11-, 12-bearing diagonal part, 13-expanded metal lath, 14-inclined support bar, 15-framework fixation steel plate, 16-center fixation steel plate, 17-connection fixing base, 18-bolt, 19-nut, 20-through hole, 21-bottom surface platform, 22-halfpace, 23-epimere stair, 24-hypomere stair, 25-peripheral frame, 26-support bar, 27-connecting rod.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment:
As Figure 1-Figure 4, the present embodiment comprises frame mechanism 1, bindiny mechanism 2, stair mechanism 3 and safety passway door 4, frame mechanism 1 comprises crossbeam 5, longeron 6, column 7, drag link 8, longitudinal tie 9, center stand column 10, horizontal connecting rod 11 and bearing diagonal part 12, the surrounding of frame mechanism 1 is provided with steel plate net 13, crossbeam 5, longeron 6 and column 7 form the framework of a cuboid state, on the two sides of frame mechanism 1, be equipped with two longitudinal ties 9, the two ends of drag link 8 are separately fixed near on crossbeam corresponding to two longitudinal tie 9 upper ends of safety passway door 4, center stand column 10 two ends are separately fixed at two longeron 6 middle parts of trailing flank, two columns 7 on trailing flank are welded with horizontal connecting rod 11 between longitudinal tie 9 close to it respectively, between center stand column 10 and its left side column 7, be welded with horizontal connecting rod 11, bearing diagonal part 12 lays respectively at the leading flank of frame mechanism 1, on left surface and right flank, bearing diagonal part 12 comprises inclined support bar 14, framework fixation steel plate 15He center fixation steel plate 16, inclined support bar 14 numbers are four, one end of inclined support bar 14 is lead frame fixation steel plate 15 respectively, the other end is all welded on same center fixation steel plate 16, bindiny mechanism 3 comprises connection fixing base 17, bolt 18 and nut 19, connection fixing base 17 is separately positioned on the corresponding crossbeam 5 in column 7, longitudinal tie 9 two ends in frame mechanism 1 left and right sides, connection fixing base 17 is provided with through hole 20, bolt 18 is through the through hole 20 on the connection fixing base 17 of upper and lower Liang Ge docking framework mechanism 1, and nut 19 is fixed on bolt 18, stair mechanism 3 comprises bottom surface platform 21, halfpace 22, epimere stair 23 and hypomere stair 24, bottom surface platform 21 is fixed near on frame mechanism 1 bottom surface of reveal, halfpace 22 is fixed in the plane being made up of the center fixation steel plate 16 near leading flank, column 7 and longitudinal tie 9, hypomere stair 24 lower ends are welded on bottom surface platform 21, upper end is welded on halfpace 22, epimere stair 23 lower ends are welded on halfpace 22, and upper end is welded on drag link 8, safety passway door 4 comprises peripheral frame 25, support bar 26 and connecting rod 27, one side of peripheral frame 25 is movably arranged in center stand column 10, peripheral frame 25 is provided with three transverse support bar 26, between peripheral frame 25 and support bar 26, be welded with respectively connecting rod 27 between support bar 26 and support bar 26.
Safety passage monomer both can use (now main bearing tension) for hanging to connect, and also can pile up for superposeing in ground grading (now mainly bearing pressure).Hang while use first escape way monomer is fixed, along with the excavation of foundation pit degree of depth connects downwards and increases escape way monomer successively, adjacent escape way monomer is by utilizing bolt 18 through the through hole 20 on the connection fixing base 17 of bindiny mechanism 2, and nut 19 is fixed on bolt 18, adjacent escape way is connected into entirety, until reach foundation ditch value the most deeply, connect at most 12 escape way monomers; When stack is piled up, first escape way monomer is placed in to smooth solid ground and fixing, pile up escape way monomer according to using stack highly successively, adjacent escape way monomer is by utilizing bolt 18 through the through hole 20 on the connection fixing base 17 of bindiny mechanism 2, and nut 19 is fixed on bolt 18, and adjacent escape way is connected into entirety.Hang use and superimposed code and let slip in journey, each escape way monomer can adopt push-and-pull rods and foundation pit side-wall carry out at 2 places of bindiny mechanism angled fixing, to ensure the overall stability of escape way.
Utilize technical scheme described in the utility model, or those skilled in the art being under the inspiration of technical solutions of the utility model, designs similar technical scheme, and reaching above-mentioned technique effect, is all to fall into protection domain of the present utility model.
Claims (6)
1. a lower channel in the safety in deep foundation pit construction operation, is characterized in that: comprise frame mechanism, bindiny mechanism, stair mechanism and safety passway door,
Described frame mechanism comprises crossbeam, longeron, column, drag link, longitudinal tie, center stand column and bearing diagonal part, described crossbeam, the framework of longeron and a cuboid state of column composition, on the two sides of described frame mechanism, be equipped with two longitudinal ties, the two ends of described drag link are separately fixed near on crossbeam corresponding to two longitudinal tie upper ends of safety passway door, described center stand column two ends are separately fixed at two longeron middle parts of trailing flank, described bearing diagonal part lays respectively at the leading flank of frame mechanism, on left surface and right flank, described bearing diagonal part comprises inclined support bar, framework fixation steel plate and center fixation steel plate, described inclined support bar number is four, one end of described inclined support bar is lead frame fixation steel plate respectively, the other end is all welded on the fixation steel plate of same center,
Described bindiny mechanism comprises connection fixing base, screw bolt and nut, described connection fixing base is separately positioned on column in the frame mechanism left and right sides crossbeam corresponding with longitudinal tie two ends, described connection fixing base is provided with through hole, described bolt is through the through hole on the connection fixing base of upper and lower Liang Ge docking framework mechanism, and described nut is fixed on bolt;
Described safety passway door comprises peripheral frame, support bar and connecting rod, one side of described peripheral frame is movably arranged in center stand column, described peripheral frame is provided with three transverse support bar, between described peripheral frame and support bar, be welded with respectively connecting rod between support bar and support bar.
2. lower channel in the safety in a kind of deep foundation pit construction operation according to claim 1, it is characterized in that: described stair mechanism comprises bottom surface platform, halfpace, epimere stair and hypomere stair, described bottom surface platform is fixed near on the frame mechanism bottom surface of reveal, described halfpace is fixed on by the center fixation steel plate near leading flank, in the plane of column and longitudinal tie composition, the lower end of described hypomere stair is welded on the platform of bottom surface, upper end is welded on halfpace, the lower end of described epimere stair is welded on halfpace, upper end is welded on drag link.
3. lower channel in the safety in a kind of deep foundation pit construction operation according to claim 1, it is characterized in that: described frame mechanism also comprises horizontal connecting rod, two columns on described trailing flank are welded with horizontal connecting rod between longitudinal tie close to it respectively, between described center stand column and its left side column, are welded with horizontal connecting rod.
4. lower channel in the safety in a kind of deep foundation pit construction operation according to claim 1, is characterized in that: the surrounding of described frame mechanism is provided with expanded metal lath.
5. lower channel in the safety in a kind of deep foundation pit construction operation according to claim 1, is characterized in that: the material of described frame mechanism, inclined support bar is equal leg angle.
6. lower channel in the safety in a kind of deep foundation pit construction operation according to claim 1, is characterized in that: the peripheral frame of described safety passway door and the material of support bar are square tube, and connecting rod material is round steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292206.1U CN204000932U (en) | 2014-06-03 | 2014-06-03 | Lower channel in safety in a kind of deep foundation pit construction operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292206.1U CN204000932U (en) | 2014-06-03 | 2014-06-03 | Lower channel in safety in a kind of deep foundation pit construction operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204000932U true CN204000932U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420292206.1U Expired - Fee Related CN204000932U (en) | 2014-06-03 | 2014-06-03 | Lower channel in safety in a kind of deep foundation pit construction operation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533106A (en) * | 2014-12-22 | 2015-04-22 | 天津二建建筑工程有限公司 | Single-layer three-dimensional prefabricated sunken construction ladder stand assembled along with excavation of foundation pit and construction method |
| CN104674848A (en) * | 2015-02-16 | 2015-06-03 | 中交四航局第二工程有限公司 | Vertical temporary passage for entering and exiting immersed tube and construction method of vertical temporary passage |
| CN106499215A (en) * | 2016-12-22 | 2017-03-15 | 中国核工业二四建设有限公司 | A kind of multi-functional vertical lifting cat ladder |
| CN106836851A (en) * | 2016-12-15 | 2017-06-13 | 宁波二十冶建设有限公司 | Deep basal pit hanging-type construction stair and its construction method |
| CN107217867A (en) * | 2017-07-21 | 2017-09-29 | 中国二十冶集团有限公司 | It is a kind of to be used for the preparation method of high-altitude operation platform ladder cage up and down |
-
2014
- 2014-06-03 CN CN201420292206.1U patent/CN204000932U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533106A (en) * | 2014-12-22 | 2015-04-22 | 天津二建建筑工程有限公司 | Single-layer three-dimensional prefabricated sunken construction ladder stand assembled along with excavation of foundation pit and construction method |
| CN104674848A (en) * | 2015-02-16 | 2015-06-03 | 中交四航局第二工程有限公司 | Vertical temporary passage for entering and exiting immersed tube and construction method of vertical temporary passage |
| CN106836851A (en) * | 2016-12-15 | 2017-06-13 | 宁波二十冶建设有限公司 | Deep basal pit hanging-type construction stair and its construction method |
| CN106499215A (en) * | 2016-12-22 | 2017-03-15 | 中国核工业二四建设有限公司 | A kind of multi-functional vertical lifting cat ladder |
| CN107217867A (en) * | 2017-07-21 | 2017-09-29 | 中国二十冶集团有限公司 | It is a kind of to be used for the preparation method of high-altitude operation platform ladder cage up and down |
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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: 20141210 Termination date: 20150603 |
|
| EXPY | Termination of patent right or utility model |