CN114562081A - Separated stair adopting prefabricated step and installation method thereof - Google Patents
Separated stair adopting prefabricated step and installation method thereof Download PDFInfo
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- CN114562081A CN114562081A CN202210257288.5A CN202210257288A CN114562081A CN 114562081 A CN114562081 A CN 114562081A CN 202210257288 A CN202210257288 A CN 202210257288A CN 114562081 A CN114562081 A CN 114562081A
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- 238000009434 installation Methods 0.000 title abstract description 31
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- 230000006978 adaptation Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 10
- 230000005484 gravity Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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- 230000004888 barrier function Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/025—Stairways having stringers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/104—Treads
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/104—Treads
- E04F11/116—Treads of stone, concrete or like material or with an upper layer of stone or stone like material, e.g. ceramics, concrete; of glass or with an upper layer of glass
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Abstract
The application relates to a separated stair adopting prefabricated steps and an installation method thereof, and belongs to the field of building engineering. The automatic stepping type stair comprises two stair section beams which are arranged oppositely, wherein a plurality of supporting beams are arranged between the stair section beams, a stepping is arranged on the supporting beam, a clamping groove matched with the supporting beam is formed in the stepping, the stepping is detachably and slidably mounted on the supporting beam through the clamping groove, a stop block is arranged at one end of the supporting beam, a self-locking mechanism is arranged in the stepping and on the bottom wall of the clamping groove, one end of the stepping, which is far away from the stop block, on the supporting beam is sleeved with the self-locking mechanism, the stepping drives the stepping to be pulled out from the supporting beam, and the self-locking mechanism stops stepping. This application has the effect of being convenient for install prefabricated staircase.
Description
Technical Field
The application relates to the field of constructional engineering, in particular to a separated stair adopting prefabricated steps and an installation method thereof.
Background
In the course of the development of building industrialization, the application of the fabricated structure is more and more extensive. In the current building construction process, the stair is generally manufactured in a cast-in-place mode, the cast-in-place structure of the stair is difficult to support a formwork in a field, the quality of a construction joint is difficult to control, and the labor amount and the wood consumption are large. With the industrialized development of the building industry, the assembly type building technology is mature more and more, more and more assembly type structures are used in building construction, and the prefabricated staircase is used as one of the assembly type structures and is applied more and more widely.
The production of section boards and platform boards is generally carried out in the prefabricated field to present prefabricated staircase, and after section boards and platform boards are transported to the job site through transport means, modes such as connecting reinforcing bars, connecting pieces and the like are adopted for assembly construction.
For the related technologies, the inventor thinks that the whole size of the segment plate is large, and the segment plate needs to be hoisted and installed during installation, so that the installation is inconvenient.
Disclosure of Invention
In order to facilitate the installation of prefabricated staircase, this application provides an adopt prefabricated disconnect-type stair and installation method of marking time.
First aspect, the application provides an adopt prefabricated disconnect-type stair of marking time adopts following technical scheme:
the utility model provides an adopt prefabricated disconnect-type stair of marking time, includes the bench roof beam of two relative settings, two be provided with many supporting beam between the bench roof beam, it marks time to be provided with on the supporting beam, mark time and set up the joint groove with a supporting beam looks adaptation, mark time and can dismantle slidable mounting on a supporting beam through the joint groove, a supporting beam's one end is provided with the dog, mark time in and be located the diapire in joint groove and be provided with self-locking mechanism, mark time from a supporting beam keep away from the one end of dog embolia to a supporting beam on, the drive mark time when extracting from a supporting beam, self-locking mechanism blocks marking time.
By adopting the technical scheme, the two bench beams are oppositely arranged between two floors on a construction site, and the plurality of support beams are arranged between the two bench beams; sleeving the steps on the support beam, and blocking the steps from falling off from the support beam by a self-locking mechanism in the steps; therefore, the whole section plate does not need to be hoisted, and the step is sleeved on the supporting beam during installation, so that the installation is convenient and the operation is simple; meanwhile, the stair section beam, the step and the supporting beam are separately processed and transported, so that the manufacturing and the transportation are convenient, and the replacement of parts of the prefabricated stair is convenient; meanwhile, the installation is convenient, and the operation is rapid.
Optionally, two a plurality of mounting holes have been seted up to impartial interval on the bench beam, a supporting beam's both ends all are provided with the otic placode, wear to be equipped with fastening bolt on the otic placode, fastening bolt passes behind the mounting hole and installs a supporting beam on the bench beam.
Through taking above-mentioned technical scheme, a supporting beam can dismantle fixed connection between two bench beams through fastening bolt, and the bench beam is equidistant has seted up a plurality of mounting holes, is convenient for install on the bench beam, according to the span requirement of marking time of difference, can select suitable interval installation supporting beam on the bench beam, need not to change the bench beam just can install not unidimensional marking time, and processing is convenient, practices thrift the cost.
Optionally, threaded holes are formed in the two ends of the supporting beam, fixing bolts penetrate through the stop blocks, and the fixing bolts are in threaded fit with the threaded holes.
Through adopting above-mentioned technical scheme, the dog passes through fixing bolt fixed mounting on a supporting beam, reaches the effect of being convenient for install the dog at a supporting beam's one end.
Optionally, the vertical surface of the step and one end of the tread facing the bench beam are both hinged with pedals, and the tail ends of the pedals are attached to the bench beam.
By adopting the technical scheme, the pedals are hinged to the vertical surface of the step and the tail end of the tread, so that the overall step quality is reduced, and the load of the ladder section beam is reduced; meanwhile, when the prefabricated tread is transported, the pedal is rotated to be superposed with the surface of the tread, so that the occupied space during tread transportation is saved, the transportation cost is saved, and the transportation is convenient; simultaneously mark time terminal edge is more weak, easily strikes and damages in the transportation, through the footboard of articulated installation, has reduced when the transportation mark time terminal weak department receive the exogenic action and the possibility of damaging.
Optionally, the holding tank has been seted up on the diapire in joint groove, the diapire slope of holding tank sets up, just the holding tank is close to the dog side and keeps away from the dog side shallowly, self-locking mechanism includes the roller, the homogeneous phase is run opposite on the both sides wall of holding tank and is equipped with the spout, the spout is parallel with the diapire of holding tank, the both ends of roller respectively with the spout roll cooperation of both sides, just the roller is inconsistent with the diapire of holding tank all the time, works as when the roller is located the holding tank shallow end, a part of roller extends beyond the holding tank.
By adopting the technical scheme, the two ends of the roll shaft are arranged in the sliding grooves in a sliding manner, the step is sleeved on the supporting beam from one end, far away from the stop block, of the supporting beam, and the step is pushed to slide towards the stop block along the supporting beam; because the sliding groove is parallel to the bottom wall of the accommodating groove, the roller shaft is positioned at the shallow end of the accommodating groove under the action of gravity, and at the moment, one part of the roller shaft is positioned outside the accommodating groove; when the step moves towards the stop block on the support beam, the step pushes the roller shaft to move towards the deep end of the containing tank along the sliding chute until the roller shaft is completely positioned in the containing tank, one side of the roller shaft is abutted against the bottom wall of the containing tank, the other side of the roller shaft is abutted against the surface of the support beam, and the step can move towards the stop block on the support beam; when the driving step moves towards the end away from the stop block on the supporting beam, the roller shaft has a tendency of moving towards the shallow end of the accommodating groove under the action of friction force, and the roller shaft is clamped between the supporting beam and the step to block and fix the step, so that the step cannot move towards the end away from the stop block on the supporting beam; thereby achieving the effect of facilitating the self-locking and fixing of the steps on the supporting beam.
Optionally, two accommodating grooves are formed in the bottom wall of the clamping groove, the bottom walls of the two accommodating grooves are both obliquely arranged, the shallow ends of the two accommodating grooves are opposite and communicated, and the bottom wall at the communication position of the two accommodating grooves is provided with a rounded corner; self-locking mechanism includes the roller, the homogeneous phase is run opposite on the both sides lateral wall of holding tank and is equipped with the spout, the spout is parallel with the diapire of holding tank, the both ends of roller respectively with the spout roll cooperation of both sides, just the roller is inconsistent with the diapire of holding tank all the time, works as when the roller is located the shallow end of holding tank, the roller is partly to extend beyond the holding tank.
By adopting the technical scheme, the shallow ends of the two accommodating grooves are communicated, the bottom walls at the communicated parts of the two accommodating grooves are rounded, and the roll shaft is positioned at the shallowest ends of the two accommodating grooves, namely the centers of the two accommodating grooves under the action of gravity in a normal state; when the stair is installed, the situation that one side of the stair is blocked by a wall body, a bearing column or a construction instrument often occurs, and the step can be installed only from the side away from the blocking object; no matter install dog in which end of a supporting beam, mark time from the one end that deviates from the dog embolia to a supporting beam on and remove, the auto-lock that the homoenergetic realized marking time is fixed, simple to operate, the suitability is strong.
Optionally, a magnet is arranged on the bottom wall of the shallow end of the accommodating groove, and the roller shaft is made of a magnetic metal.
By adopting the technical scheme, the roller shaft is always positioned at the shallow end of the accommodating groove under the action of the attraction force of the magnet; when the stepping sleeve is sleeved on the supporting beam, the roller shaft always has the trend of moving towards the shallow end of the accommodating groove, so that the roller shaft is always attached to the surface of the supporting beam.
In a second aspect, the present application provides a method for installing a split stair with prefabricated tread, which adopts the following technical scheme:
the installation method of the separated stair adopting the prefabricated steps comprises the following steps:
s1: the two bench beams are oppositely arranged between floors; s2: mounting a plurality of support beams between the two bench beams; s3: a stop block is arranged at one end of the support beam; s4: the mark time is sleeved on the supporting beam from one end of the supporting beam far away from the stop block, and the mark time is pushed towards the stop block and is abutted against the stop block.
By adopting the technical scheme, a constructor firstly installs two bench beams between floors relatively according to design requirements, installs a plurality of supporting beams between the two bench beams, installs a stop block at one end of each supporting beam according to the construction site condition, sleeves a step on the supporting beams from one end of each supporting beam far away from the stop block, and pushes the step to be abutted against the stop block, thus completing installation; simple to operate, the simple operation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the stair is installed, two bench beams are oppositely installed between two floors on a construction site, and a plurality of support beams are installed between the two bench beams; sleeving the steps on the support beam, and stopping the steps from falling off from the support beam by a self-locking mechanism in the steps; therefore, the whole section plate does not need to be hoisted, and the step is sleeved on the supporting beam during installation, so that the installation is convenient and the operation is simple; meanwhile, the ladder section beam, the step and the supporting beam are processed and transported separately, so that the manufacturing and the transportation are both convenient, and the replacement of parts of the prefabricated staircase is convenient; meanwhile, the installation is convenient, and the operation is rapid;
2. the space between the two ladder section beams is adjusted according to the design requirements of the width of the stairs of different buildings, and the corresponding support beams and the corresponding steps are selected for installation, so that the application range is wide;
3. a plurality of mounting holes are formed in the bench beams at equal intervals, the supporting beams are mounted on the bench beams through fastening bolts, the mounting intervals of the adjacent supporting beams can be adjusted according to the design requirements of step spans of different buildings, and the application range is wide;
4. pedals are hinged to the vertical face of each step and one end, facing the ladder section beam, of each tread, and the pedals are rotated to be attached to the ladder section beam during installation, so that the overall dead weight of the steps is reduced, and the load of the ladder section beam is reduced; meanwhile, when the steps are conveyed, the pedals can be rotated to be attached to the vertical surfaces of the steps and the treads, so that the occupied space of the steps during transportation is reduced, the transportation cost is saved, and the transportation efficiency is improved;
5. the shallow ends of the two accommodating grooves are opposite and communicated, the bottom walls of the communicated parts of the two accommodating grooves are arranged in a fillet manner, the roller shafts are always positioned in the centers of the two accommodating grooves under the action of gravity, at the moment, the stepping steps are sleeved from any end of the supporting beam, and the roller shafts can perform self-locking fixation on the stepping steps; when there is the obstacle on one side of the stair on the construction site, the stair can be quickly installed on the step, and applicability is high.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
FIG. 2 is a schematic structural diagram for showing steps in embodiment 1 of the present application.
Fig. 3 is a partial sectional view for illustrating the self-locking mechanism in embodiment 1 of the present application.
FIG. 4 is a schematic structural diagram for showing steps in embodiment 2 of the present application.
Fig. 5 is a partial sectional view for illustrating the self-locking mechanism in embodiment 2 of the present application.
Description of reference numerals:
1. a bench beam; 11. mounting holes; 2. a support beam; 21. an ear plate; 22. fastening a bolt; 23. a threaded hole; 3. stepping; 31. a clamping groove; 32. a pedal; 33. accommodating grooves; 331. a chute; 4. a stopper; 41. fixing the bolt; 5. a self-locking mechanism; 51. a roll shaft; 6. and a magnet.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses an adopt prefabricated disconnect-type stair of marking time.
Example 1:
referring to fig. 1 and 2, the separated stair adopting the prefabricated steps comprises two oppositely-installed stair section beams 1, connecting sections are respectively bent and processed at two ends of each stair section beam 1, and the stair section beams 1 are connected and installed between two floors through the connecting sections; a plurality of supporting beams 2 are arranged between the two bench beams 1, the length direction of each supporting beam 2 is perpendicular to the length direction of the bench beam 1, and a stop block 4 is detachably arranged at one end of each supporting beam 2; a step 3 is slidably mounted on the supporting beam 2, a clamping groove 31 matched with the supporting beam 2 is formed in the step 3, and the step 3 is slidably mounted on the supporting beam 2 through the clamping groove 31; install self-locking mechanism 5 in marking time 3 and on being located the diapire of joint groove 31, 3 mark time 3 from a supporting beam 2 on keep away from a pot head of dog 4 on supporting beam 2 and establish on a supporting beam 2, the drive 3 mark time 3 when a supporting beam 2 deviates from dog 4 and removes, self-locking mechanism 5 stops 3 marking time, will mark time 3 to fix on a supporting beam 2.
Installing two bench beams 1 between floors, installing a plurality of support beams 2 between the two bench beams 1, installing a stop block 4 at one end of each support beam 2, sleeving an upper step 3 at one end of each support beam 2 far away from the stop block 4, pushing the step 3 to be abutted against the stop block 4, and at the moment, blocking the step 3 by a self-locking mechanism 5 to move out of the support beam 2 along the original path and fixing the step 3 on the support beam 2; thereby during installation prefabricated staircase, only need to mark time 3 covers establish on a supporting beam 2 can, reach the effect quick, convenient of installation.
Determining the length of the stair section beam 1, the length of the support beam 2, the length of the step 3 and the span of the step 3 according to the floor height of a construction building and the design size of a stair, performing independent prefabrication processing on the step 3, the stair section beam 1 and the support beam 2 in a prefabrication yard, and storing and transporting the processed stair section beam 1, the support beam 2 and the step 3 to a construction site separately; spare part of stair is processed alone, compares in stair integrated into one piece processing, has improved the efficiency of production transportation.
Referring to fig. 1 and 2, a plurality of mounting holes 11 are formed in two stepped beams 1 at equal intervals, two ends of a supporting beam 2 are fixedly connected with lug plates 21, the lug plates 21 are mounted on two sides of the supporting beam 2, the lug plates 21 on two sides of the supporting beam 2 are attached to the surface of the stepped beam 1, fastening bolts 22 penetrate through the lug plates 21, and the supporting beam 2 is fixedly mounted on the stepped beam 1 through the fastening bolts 22 on the lug plates 21; a rib plate for reinforcement is also fixedly connected between the ear plate 21 and the support beam 2.
Referring to fig. 1 and 2, the cross-sectional shape of the support beam 2 is trapezoidal, the upper bottom of the support beam 2 is abutted to the bench beam 1, the lower bottom is far away from the bench beam 1, and the clamping groove 31 is matched with the support beam 2; the support beam 2 is made of hollow trapezoidal steel, so that the load borne by the ladder section beam 1 is reduced.
Referring to fig. 2, threaded holes 23 are formed in both ends of the supporting beam 2, the stopper 4 is a rectangular block, a fixing bolt 41 is arranged on the stopper 4 in a penetrating manner, the fixing bolt 41 is in threaded fit with the threaded holes 23, and the stopper 4 is detachably mounted at one end of the supporting beam 2 through the fixing bolt 41.
Referring to fig. 1 and 2, pedals 32 are hinged to the vertical surfaces of the steps 3 and the ends of the treads facing the bench beams 1, the pedals 32 are rectangular plates, and the tail ends of the pedals 32 are provided with inclined surfaces, so that the tail ends of the pedals 32 are attached to the bench beams 1.
When producing mark time 3, mark time 3 and footboard 32 separately produce and assemble, and when the transportation was marked time 3, footboard 32 rotated to the surface and laminated with the surface of marking time 3 mutually, had saved and had saved shared space in storage, the transportation, had improved the utilization ratio of storage space and the efficiency of transportation. Meanwhile, compared with the integrally cast step 3, the step 3 with the pedal 32 has lighter weight, saves materials and simultaneously lightens the load borne by the ladder section beam 1.
Referring to fig. 2 and 3, an accommodating groove 33 is formed in the bottom wall of the clamping groove 31, the bottom wall of the accommodating groove 33 is arranged obliquely, one side of the accommodating groove 33 close to the stopper 4 is shallow, one side of the accommodating groove 33 far away from the stopper 4 is deep, two sliding grooves 331 are formed in two side walls of the accommodating groove 33, the two sliding grooves 331 are opposite to each other, and the two sliding grooves 331 are parallel to the bottom wall of the accommodating groove 33; the self-locking mechanism 5 comprises a roller shaft 51, two ends of the roller shaft 51 are in rolling fit with the steps 3 through two sliding grooves 331, the length direction of the roller shaft 51 is perpendicular to the length direction of the steps 3, and meanwhile, the roller shaft 51 and the bottom wall of the accommodating groove 33 are always in a contact state; when the roller shaft 51 is located at the shallow end of the receiving groove 33, a portion of the roller shaft 51 is located outside the receiving groove 33, and when the roller shaft 51 is located at the deep end of the receiving groove 33, the roller shaft 51 is located inside the receiving groove 33. It is particularly noted that a blocking piece is processed at the opening end of the sliding chute 331, and meanwhile, the ends of both ends of the roller shaft 51 are coaxially and fixedly connected with cylindrical sliding blocks, and the diameter of each cylindrical sliding block is larger than the diameter of a rotating shaft of the roller shaft 51 (not shown in the figure), so that the roller shaft 51 can only roll along the length direction of the sliding chute 331, and the possibility that the roller shaft 51 falls off from between the two sliding chutes 331 is reduced.
The step 3 is sleeved from one end of the support beam 2 far away from the stop block 4, at the moment, the step 3 is in a horizontal state, the roller shaft 51 is positioned at the shallow end of the accommodating groove 33 under the action of gravity, one part of the roller shaft 51 is positioned outside the accommodating groove 33, as the step 3 moves towards the stop block 4 on the support beam 2, one end of the support beam 2 far away from the stop block 4 is abutted against the part of the roller shaft 51 positioned outside the accommodating groove 33, the roller shaft 51 is driven to move towards the deep end of the accommodating groove 33 along the length direction of the sliding groove 331 until the roller shaft 51 completely moves into the accommodating groove 33, and at the moment, the roller shaft 51 is always abutted against the support beam 2 under the action of gravity; the step 3 is driven to move away from the stop block 4, and under the combined action of gravity and friction between the support beam 2 and the roller shaft 51, the roller shaft 51 has a tendency of moving towards the shallow end of the accommodating groove 33, so that the roller shaft 51 is clamped between the step 3 and the support beam 2, the step 3 cannot move away from the stop block 4, and the effect of fixing the step 3 is achieved; thereby will mark time 3 and remove to inconsistent just accomplished the installation of marking time 3 with dog 4, need not other fixed facilities, it is convenient to install, easy operation.
Referring to fig. 3, the magnet 6 is installed on the bottom wall of the shallow end of the accommodating groove 33, and the roller shaft 51 is made of a magnetically-friendly metal, so that the roller shaft 51 always has a tendency to move toward the shallow end of the accommodating groove 33, so that the roller shaft 51 comes into closer interference with the support beam 2 when the step 3 is installed on the support shaft.
In embodiment 1 of the present application, an implementation principle of the separated stair adopting the prefabricated steps is as follows: after the stair section beam 1 and the support beam 2 are installed between floors, the step 3 is sleeved at one end, far away from the stop block 4, of the support beam 2, and the step 3 is pushed to move to be abutted against the stop block 4, so that installation is completed; when the step 3 tends to move out of the support beam 2 in a direction away from the stoppers 4 by an external force, the rollers 51 tightly fix the step 3 to the support beam 2.
Example 2:
referring to fig. 4 and 5, two holding grooves 33 have been seted up on the diapire of joint groove 31, and the shallow end of two holding grooves 33 is relative and communicate, and the diapire radius angle setting of two holding grooves 33 intercommunication departments all has seted up spout 331 on the both sides side of two holding grooves 33, and spout 331 on the lateral wall of two holding grooves 33 homonymies is linked together, and spout 331 is parallel with the diapire of holding groove 33. The magnet 6 is mounted on the bottom wall of the accommodating groove 33 at the shallowest end of the accommodating groove 33, and the magnet 6 is located at the center of the two accommodating grooves 33. Normally, the roller 51 is located at the center of the two accommodating grooves 33 under the action of the magnet 6 and gravity, and a part of the roller 51 is located outside the accommodating grooves 33.
In embodiment 2 of the present application, an implementation principle of the separated stair adopting the prefabricated steps is as follows: in an actual construction site, the situation that barriers such as a wall body, a bearing column or construction machinery and the like exist on one side of a stair installation position inevitably occurs, a certain horizontal installation space is needed for installation of the steps 3, the stop block 4 is installed on one side, close to the barriers, of the support beam 2, and the steps 3 are sleeved in from one end, far away from the stop block 4, of the support beam 2; no matter which end at a supporting beam 2 is installed to dog 4, at the in-process of marking time 3 installation, the homoenergetic drives roller 51 to the holding tank 33 of keeping away from dog 4 in, realizes when keeping away from dog 4 and removing to mark time, carries out the auto-lock to marking time 3 and fixes.
The embodiment of the application also discloses an installation method of the separated stair adopting the prefabricated steps, which comprises the following steps:
the installation method of the separated stair adopting the prefabricated step comprises the following steps:
s1: according to the design size of the stair, two stair section beams 1 are oppositely arranged between the building floors;
s2: fixedly mounting a plurality of support beams 2 between two bench beams 1 through fastening bolts 22;
s3: an upper stop block 4 is arranged at one end of the support beam 2 through a fixing bolt 41;
s4: aligning a clamping groove 31 on the step 3 with one end of the support beam 2 far away from the stop block 4, and sleeving the step 3 on the support beam 2;
s5: the pushing step 3 moves towards the stop block 4 until the step 3 is abutted against the stop block 4, and the installation is completed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an adopt disconnect-type stair of prefabricated marking time which characterized in that: including two bench ladder section roof beam (1) that set up relatively, two be provided with many supporting beam (2) between bench ladder section roof beam (1), it marks time (3) to be provided with on supporting beam (2), mark time (3) on set up joint groove (31) with supporting beam (2) looks adaptation, mark time (3) through joint groove (31) slidable mounting on supporting beam (2), the one end of supporting beam (2) is provided with dog (4), mark time (3) in and be located and be provided with self-locking mechanism (5) on the diapire of joint groove (31), mark time (3) from supporting beam (2) on keep away from the one end of dog (4) embolia to supporting beam (2), the drive mark time (3) when extracting from supporting beam (2), self-locking mechanism (5) stop mark time (3).
2. The split stair adopting the prefabricated steps as claimed in claim 1, wherein: two a plurality of mounting holes (11) have been seted up to impartial interval on bench beam (1), the both ends of a supporting beam (2) all are provided with otic placode (21), wear to be equipped with fastening bolt (22) on otic placode (21), fastening bolt (22) pass behind mounting hole (11) with a supporting beam (2) install on bench beam (1).
3. The split stair adopting the prefabricated steps as claimed in claim 1, wherein: threaded holes (23) are formed in the two ends of the supporting beam (2), fixing bolts (41) penetrate through the stop blocks (4), and the fixing bolts (41) are in threaded fit with the threaded holes (23).
4. The split stair adopting the prefabricated steps as claimed in claim 1, wherein: the facade of marking time (3) and the tread all articulate and are provided with footboard (32) towards the one end of bench beam (1), and the end and the bench beam (1) of the footboard (32) of telling are laminated mutually.
5. The split stair adopting the prefabricated steps as claimed in claim 1, wherein: holding tank (33) have been seted up on the diapire in joint groove (31), the diapire slope setting of holding tank (33), just holding tank (33) are close to dog (4) side and are more kept away from dog (4) side shallowly, self-locking mechanism (5) include roller (51), the homogeneous phase is run opposite on the both sides wall of holding tank (33) and is equipped with spout (331), spout (331) are parallel with the diapire of holding tank (33), the both ends of roller (51) respectively with spout (331) roll cooperation of both sides, just roller (51) are inconsistent with the diapire of holding tank (33) all the time, work as when roller (51) are located holding tank (33) shallow end, roller (51) some extends to outside holding tank (33).
6. The split stair adopting the prefabricated steps as claimed in claim 1, wherein: two accommodating grooves (33) are formed in the bottom wall of the clamping groove (31), the bottom walls of the two accommodating grooves (33) are arranged obliquely, the shallow ends of the two accommodating grooves (33) are opposite and communicated, and the bottom wall at the communication position of the two accommodating grooves (33) is provided with a fillet; self-locking mechanism (5) include roller (51), the homogeneous phase is run opposite on the both sides lateral wall of holding tank (33) and is equipped with spout (331), spout (331) are parallel with the diapire of holding tank (33), the both ends of roller (51) respectively with spout (331) roll cooperation of both sides, just roller (51) are inconsistent with the diapire of holding tank (33) all the time, work as when roller (51) are located the shallow end of holding tank (33), roller (51) partly extends to beyond holding tank (33).
7. The separated stair adopting the prefabricated steps as claimed in claim 5 or 6, wherein: be provided with magnet (6) on the diapire of holding tank (33) shallow end, roller (51) are made by magnetism-philic metal.
8. A method of installing a stair using prefabricated steps according to any one of claims 1 to 7, comprising the steps of:
s1: the two bench beams (1) are oppositely arranged between floors;
s2: a plurality of supporting beams (2) are arranged between two bench beams (1);
s3: a stop block (4) is arranged at one end of the support beam (2);
s4: the step (3) is sleeved on the supporting beam (2) from one end of the supporting beam (2) far away from the stop block (4), the step (3) is pushed towards the stop block (4), and the step (3) is abutted to the stop block (4).
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| CN114562081B (en) | 2024-04-30 |
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