CN114562081B - Separated stair adopting prefabricated steps and installation method thereof - Google Patents
Separated stair adopting prefabricated steps and installation method thereof Download PDFInfo
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- CN114562081B CN114562081B CN202210257288.5A CN202210257288A CN114562081B CN 114562081 B CN114562081 B CN 114562081B CN 202210257288 A CN202210257288 A CN 202210257288A CN 114562081 B CN114562081 B CN 114562081B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 title abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000006978 adaptation Effects 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 9
- 230000005484 gravity Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The application relates to a separated stair adopting prefabricated steps and an installation method thereof, belonging to the field of constructional engineering. The novel ladder section beam comprises two ladder section beams which are oppositely arranged, a plurality of support beams are arranged between the two ladder section beams, a step is arranged on the support beams, a clamping groove matched with the support beams is formed in the step, the step is detachably and slidably arranged on the support beams through the clamping groove, a stop block is arranged at one end of the support beams, a self-locking mechanism is arranged on the bottom wall of the clamping groove in the step, one end, far away from the stop block, of the step is sleeved onto the support beams, the step is driven, and the self-locking mechanism blocks the step when the step is pulled out from the support beams. The application has the effect of being convenient for installing the 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 building industrialization development, the application of the assembled structure is becoming wider and wider. In the existing building construction process, the stairway is generally manufactured in a cast-in-place mode, the site formwork of the stairway cast-in-place structure is difficult, the quality of a construction joint is not easy to control, and the labor and wood consumption are large. Along with the development of industrialization in the building industry, the assembled building technology is also mature, the assembled structure used in building construction is more and more, and the prefabricated stairway is used as one of the assembled structures and is widely applied.
The prior prefabricated stairway generally produces the section plates and the platform plates in a prefabricated field, and the section plates and the platform plates are transported to a construction site by a transport means and assembled and constructed by adopting modes of connecting steel bars, connecting pieces and the like.
With respect to the related art, the inventor considers 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 stairways, the application provides a separated stairway adopting prefabricated steps and an installation method.
In a first aspect, the application provides a split stair using prefabricated steps, which adopts the following technical scheme:
The utility model provides an adopt prefabricated disconnect-type stair of marking time, includes two bench beams that set up relatively, two be provided with many supporting beams between the bench beam, be provided with on the supporting beam and mark time, set up the joint groove with supporting beam looks adaptation on marking time, mark time through joint groove detachable sliding mounting on supporting beam, the one end of supporting beam is provided with the dog, just be provided with self-locking mechanism on the diapire in joint groove in marking time, mark time from the one end of keeping away from the dog on the supporting beam embolias to the supporting beam, the drive mark time when extracting from the supporting beam, self-locking mechanism blocks marking time.
By adopting the technical scheme, two bench beams are oppositely arranged between two floors at a construction site, and a plurality of supporting beams are arranged between the two bench beams; the step is sleeved on the supporting beam, and a self-locking mechanism in the step prevents the step from falling off from the supporting beam; therefore, the whole section plate does not need to be hoisted, and the stepping sleeve is sleeved on the supporting beam during installation, so that the installation is convenient and the operation is simple; meanwhile, the bench 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 staircase is convenient; meanwhile, the installation is convenient and the operation is quick.
Optionally, a plurality of mounting holes are formed in the two bench beams at equal intervals, ear plates are arranged at two ends of the supporting beam, fastening bolts penetrate through the ear plates, and the supporting beam is mounted on the bench beam after penetrating through the mounting holes.
Through adopting above-mentioned technical scheme, the supporting beam can dismantle fixed connection between two bench roof beams through fastening bolt, and equidistant a plurality of mounting holes of having seted up on the bench roof beam, be convenient for install on the bench roof beam, according to the span requirement of marking time of difference, can select suitable interval installation supporting beam on the bench roof beam, need not to change the bench roof beam and just can install not unidimensional marking time, processing is convenient, practices thrift the cost.
Optionally, threaded holes are formed in 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 supporting beam, reaches the effect of being convenient for install the dog in supporting beam's one end.
Optionally, the facade of marking time and the tread all hinge to be provided with the footboard towards the one end of bench roof beam, the terminal and the bench roof beam of footboard laminate mutually.
By adopting the technical scheme, the pedal is hinged to the vertical face of the pedal and the tail end of the pedal, so that the overall pedal quality is reduced, and the load of the bench beam is reduced; meanwhile, when the prefabricated tread is transported, the pedal is rotated to be overlapped with the surface of the tread, so that the occupied space during transportation of the tread is saved, the transportation cost is saved, and the transportation is convenient; meanwhile, the corners of the tail ends of the steps are weaker, the steps are easy to strike and damage in the transportation process, and the possibility that the weak parts of the tail ends of the steps are damaged due to the action of external force is reduced through the hinged pedal.
Optionally, the holding tank has been seted up on the diapire of joint groove, the diapire slope setting of holding tank, just the holding tank is close to the dog side and is shallower than keeping away from the dog side, self-locking mechanism includes the roller, the spout has all been seted up on the both sides wall of holding tank, the spout is parallel with the diapire of holding tank, the both ends of roller respectively with the spout rolling fit of both sides, just the roller is inconsistent with the diapire of holding tank all the time, works as 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 roller shaft are arranged in the sliding groove in a sliding way, and the step is sleeved on the supporting beam from one end of the supporting beam far away from the stop block to push the step to slide along the supporting beam towards the stop block; because the sliding groove is parallel to the bottom wall of the accommodating groove, the roll shaft is positioned at the shallow end of the accommodating groove under the action of gravity, and at the moment, a part of the roll shaft is positioned outside the accommodating groove; when the step moves towards the stop block on the supporting beam, the step pushes the roller shaft to move towards the deep end of the accommodating groove along the sliding groove until the roller shaft is completely positioned in the accommodating groove, at the moment, one side of the roller shaft is in contact with the bottom wall of the accommodating groove, the other side of the roller shaft is in contact with the surface of the supporting beam, and the step can move towards the stop block on the supporting beam; when the driving steps move towards the end deviating from the stop block on the supporting beam, the roll shaft has a trend of moving towards the shallow end of the accommodating groove under the action of friction force, and the roll shaft is clamped between the supporting beam and the steps at the moment to block and fix the steps, so that the steps cannot move towards the end deviating from the stop block on the supporting beam; thereby achieving the effect of being convenient for fixing the self-locking 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 obliquely arranged, the shallow ends of the two accommodating grooves are opposite and communicated, and a bottom wall rounding corner at the communicating position of the two accommodating grooves is arranged; the self-locking mechanism comprises a roll shaft, sliding grooves are respectively formed in the side walls of the two sides of the accommodating groove, the sliding grooves are parallel to the bottom wall of the accommodating groove, the two ends of the roll shaft are respectively in rolling fit with the sliding grooves of the two sides, the roll shaft is always in contact with the bottom wall of the accommodating groove, and when the roll shaft is located at the shallow end of the accommodating groove, a part of the roll shaft extends out of the accommodating groove.
By adopting the technical scheme, the shallow ends of the two accommodating grooves are communicated, the bottom wall of the communicated part of the two accommodating grooves is provided with a round angle, and under the normal state, the roll shaft is positioned at the shallowest end of the two accommodating grooves under the action of gravity, namely the center of the two accommodating grooves; when the stair is installed, the situation that a wall body, a bearing column or a construction instrument is blocked at one side of the stair often occurs, and the steps can only be installed from the side deviating from the blocking object at the moment; no matter which end of the supporting beam is provided with the stop block, the self-locking fixation of the stepping can be realized from one end deviating from the stop block to the supporting beam and moving, the installation is convenient, and the applicability is strong.
Optionally, a magnet is arranged on the bottom wall of the shallow end of the accommodating groove, and the roll shaft is made of a magneto-philic metal.
By adopting the technical scheme, the roll shaft is always positioned at the shallow end of the accommodating groove under the action of the attraction force of the magnet when in a normal state; when the stepping sleeve is arranged on the supporting beam, the roll shaft always has a trend of moving towards the shallow end of the accommodating groove, so that the roll shaft always clings to the surface of the supporting beam.
In a second aspect, the present application provides a method for installing a split stair using prefabricated steps, comprising the following steps:
the method for installing the separated stair by adopting the prefabricated steps comprises the following steps:
S1: two ladder section beams are oppositely arranged between floors; s2: a plurality of supporting beams are arranged between two bench beams; s3: a stop block is arranged at one end of the supporting beam; s4: one end of the step, far away from the stop block, is sleeved on the support beam, and the step is pushed towards the stop block until the step is in contact with 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 the supporting beams according to the condition of a construction site, sleeves one end of the supporting beams far away from the stop block on the supporting beams, pushes the steps until the steps are contacted with the stop block, and completes installation; convenient to install and convenient to operate.
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 installed between two floors relatively at a construction site, and a plurality of supporting beams are installed between the two bench beams; the step is sleeved on the supporting beam, and a self-locking mechanism in the step prevents the step from falling off from the supporting beam; therefore, the whole section plate does not need to be hoisted, and the stepping sleeve is sleeved on the supporting beam during installation, so that the installation is convenient and the operation is simple; meanwhile, the bench 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 staircase is convenient; meanwhile, the installation is convenient, and the operation is quick;
2. According to the stair width design requirements of different buildings, the distance between two stair section beams is adjusted, and corresponding supporting beams and steps are selected for installation, so that the application range is wide;
3. A plurality of mounting holes are formed in the bench beam at equal intervals, the supporting beams are mounted on the bench beam through fastening bolts, and the mounting intervals of adjacent supporting beams can be adjusted according to the stepping span design requirements of different buildings, so that the application range is wide;
4. The pedal is hinged to the vertical face of the pedal and one end of the pedal facing the bench beam, and the pedal is rotated to be attached to the bench beam during installation, so that the overall dead weight of the pedal is reduced, and the load of the bench beam is reduced; meanwhile, when the steps are conveyed, the pedals can rotate to be attached to the vertical faces of the steps and the treads, so that the occupied space of the steps in transportation is reduced, the transportation cost is saved, and the transportation efficiency is improved;
5. Shallow ends of the two accommodating grooves are opposite and communicated, a bottom wall of a communication part of the two accommodating grooves is provided with a round corner, a roll shaft is always positioned at the center of the two accommodating grooves under the action of gravity, a step is sleeved from any end of the supporting beam, and the roll shaft can perform self-locking fixation on the step; so that when a barrier is arranged on one side of the stairway on the construction site, the steps can be quickly installed, and the applicability is strong.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present application.
FIG. 2 is a schematic diagram showing the structure of a step in embodiment 1 of the present application.
Fig. 3 is a partial sectional view for showing the self-locking mechanism in embodiment 1 of the present application.
FIG. 4 is a schematic view showing the structure of a step in embodiment 2 of the present application.
Fig. 5 is a partial sectional view for showing the self-locking mechanism in embodiment 2 of the present application.
Reference numerals illustrate:
1. A bench beam; 11. a mounting hole; 2. a support beam; 21. ear plates; 22. a fastening bolt; 23. a threaded hole; 3. stepping; 31. a clamping groove; 32. a pedal; 33. a receiving groove; 331. a chute; 4. a stop block; 41. a fixing bolt; 5. a self-locking mechanism; 51. a roll shaft; 6. and (3) a magnet.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses a separated stair adopting prefabricated steps.
Example 1:
referring to fig. 1 and 2, a split stair using prefabricated steps comprises two oppositely installed bench beams 1, wherein connecting sections are bent at two ends of each bench beam 1, and the bench beams 1 are installed between two floors through the connection of the connecting sections; a plurality of support beams 2 are arranged between the two bench beams 1, the length direction of the support beams 2 is perpendicular to the length direction of the bench beams 1, and a stop block 4 is detachably arranged at one end of each support beam 2; a step 3 is slidably arranged 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 arranged on the supporting beam 2 through the clamping groove 31; self-locking mechanism 5 is installed on the diapire that just is located joint groove 31 in3 of marking time, and 3 of marking time is from the cover of the one end cover that keeps away from dog 4 on supporting beam 2, and the drive is marked time 3 when supporting beam 2 deviates from dog 4 and removes, and self-locking mechanism 5 stops 3 of marking time, will mark time 3 and fix on supporting beam 2.
Two bench beams 1 are arranged between floors, a plurality of support beams 2 are arranged between the two bench beams 1, a stop block 4 is arranged at one end of the support beam 2, a step 3 is sleeved at one end of the support beam 2 far away from the stop block 4, the step 3 is pushed to be in contact with the stop block 4, at the moment, the self-locking mechanism 5 stops the step 3 from moving out of the support beam 2 along an original path, and the step 3 is fixed on the support beam 2; therefore, when the prefabricated stairway is installed, only the step 3 is sleeved on the supporting beam 2, and the effect of quick and convenient installation is achieved.
Determining the length of the bench beam 1, the length of the supporting 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, and performing independent prefabrication processing on the step 3, the bench beam 1 and the supporting beam 2 in a prefabrication field, wherein the processed bench beam 1, the processed supporting beam 2 and the processed step 3 can be stored and transported to a construction site separately; the parts of the stairs are processed independently, so that the production and transportation efficiency is improved compared with the integrated processing of the stairs.
Referring to fig. 1 and 2, a plurality of mounting holes 11 are formed in two bench beams 1 at equal intervals, ear plates 21 are fixedly connected to two ends of a supporting beam 2, the ear plates 21 are mounted on two sides of the supporting beam 2, the ear plates 21 on two sides of the supporting beam 2 are attached to the surfaces of the bench beams 1, fastening bolts 22 are respectively arranged on the ear plates 21 in a penetrating manner, and the supporting beam 2 is fixedly mounted on the bench beams 1 through the fastening bolts 22 on the ear 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 section of the support beam 2 is trapezoidal, the upper bottom of the support beam 2 is abutted against 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 supporting beam 2 is made of hollow trapezoid steel, so that the load born by the ladder section beam 1 is reduced.
Referring to fig. 2, threaded holes 23 are formed at both ends of the support beam 2, the stopper 4 is a rectangular block, a fixing bolt 41 is threaded on the stopper 4, 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 support beam 2 through the fixing bolt 41.
Referring to fig. 1 and 2, the tread 32 is hinged to the vertical face of the tread 3 and one end of the tread facing the bench beam 1, the tread 32 is a rectangular plate body, and an inclined surface is machined at the tail end of the tread 32, so that the tail end of the tread 32 is attached to the bench beam 1.
When producing the 3 of marking time, 3 of marking time and footboard 32 separately produce and assemble, when transporting 3 of marking time, footboard 32 rotates to the surface and marks time 3's surface and laminate mutually, has saved the space that occupies in storing, the transportation, has improved the efficiency of storage space's utilization ratio and transportation. Meanwhile, compared with the integrally poured step 3, the step 3 with the pedal 32 is lighter in weight, saves materials and reduces the load born by the bench beam 1.
Referring to fig. 2 and 3, a receiving groove 33 is formed in the bottom wall of the clamping groove 31, the bottom wall of the receiving groove 33 is obliquely arranged, one side of the receiving groove 33 close to the stop block 4 is shallow, one side of the receiving groove 33 far away from the stop block 4 is deep, two side walls of the receiving groove 33 are respectively provided with a sliding groove 331, the two sliding grooves 331 are opposite to each other, and the two sliding grooves 331 are parallel to the bottom wall of the receiving groove 33; the self-locking mechanism 5 comprises a roll shaft 51, two ends of the roll shaft 51 are in rolling fit with the steps 3 through two sliding grooves 331, the length direction of the roll shaft 51 is perpendicular to the length direction of the steps 3, and meanwhile, the roll shaft 51 and the bottom wall of the accommodating groove 33 always keep a collision state; when the roller shaft 51 is positioned at the shallow end of the accommodating groove 33, a part of the roller shaft 51 is positioned outside the accommodating groove 33, and when the roller shaft 51 is positioned at the deep end of the accommodating groove 33, the roller shaft 51 is positioned inside the accommodating groove 33. It is particularly noted that the opening end of the sliding groove 331 is provided with a baffle, and at the same time, both ends of the roller shaft 51 are coaxially and fixedly connected with cylindrical sliders, the diameter of the cylindrical sliders is larger than the diameter of the rotation 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 groove 331, and the possibility that the roller shaft 51 falls off from between the two sliding grooves 331 is reduced.
Sleeving the step 3 from one end of the support beam 2 far away from the stop block 4, wherein the step 3 is in a horizontal state, the roll shaft 51 is positioned at the shallow end of the accommodating groove 33 under the action of gravity, a part of the roll shaft 51 is positioned outside the accommodating groove 33, along with the movement of the step 3 on the support beam 2 towards the stop block 4, one end of the support beam 2 far away from the stop block 4 is abutted against the part of the roll shaft 51 positioned outside the accommodating groove 33, and the roll shaft 51 is driven to move towards the deep end of the accommodating groove 33 along the length direction of the chute 331 until the roll shaft 51 completely moves into the accommodating groove 33, and the roll shaft 51 always keeps abutting 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 force between the supporting beam 2 and the roll shaft 51, the roll shaft 51 has a trend of moving towards the shallow end of the accommodating groove 33, so that the roll shaft 51 is clamped between the step 3 and the supporting beam 2, the step 3 cannot move away from the stop block 4, and the effect of fixing the step 3 is achieved; thereby remove 3 of marking time and inconsistent with dog 4 just accomplished 3 installations of marking time, 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 receiving groove 33, and the roller shaft 51 is made of a magneto-philic metal, so that the roller shaft 51 always has a tendency to move toward the shallow end of the receiving groove 33, so that the roller shaft 51 collides with the support beam 2 more tightly when the step 3 is installed on the support shaft.
The embodiment 1 of the application adopts the implementation principle of a separated stair with prefabricated steps that: after the bench beam 1 and the supporting beam 2 are installed between floors, sleeving the step 3 at one end of the supporting beam 2 far away from the stop block 4, pushing the step 3 to move to be in contact with the stop block 4, and completing installation; when the step 3 has a tendency to move out of the support beam 2 in a direction away from the stopper 4 by an external force, the roller shaft 51 clamps and fixes the step 3 to the support beam 2.
Example 2:
Referring to fig. 4 and 5, two accommodating grooves 33 are formed in the bottom wall of the clamping groove 31, shallow ends of the two accommodating grooves 33 are opposite and communicated, bottom walls of the communicating parts of the two accommodating grooves 33 are rounded, sliding grooves 331 are formed in both side edges of the two accommodating grooves 33, the sliding grooves 331 on the side walls of the two accommodating grooves 33 on the same side are communicated, and the sliding grooves 331 are parallel to the bottom walls of the accommodating grooves 33. A magnet 6 is mounted on the bottom wall of the accommodation groove 33 at the shallowest end of the accommodation groove 33, and the magnet 6 is located at the center position of the two accommodation grooves 33. Normally, the roller shaft 51 is located at the center of the two accommodating grooves 33 by the magnet 6 and gravity, and at this time, a part of the roller shaft 51 is located outside the accommodating grooves 33.
The embodiment 2 of the application adopts the implementation principle of the separated stair with prefabricated steps that: in the actual construction site, the situation that a wall body, a bearing column or a construction machine and other barriers are arranged on one side of the stair installation position is unavoidable, a certain horizontal installation space is needed for installing the steps 3, at the moment, the stop block 4 is installed on one side of the support beam 2 close to the barriers, and the steps 3 are sleeved from one end of the support beam 2 far away from the stop block 4; no matter which end of the supporting beam 2 the block 4 is mounted on, the roll shaft 51 can be driven into the accommodating groove 33 far away from the block 4 in the mounting process of the step 3, so that the self-locking fixation of the step 3 is realized when the step is moved away from the block 4.
The embodiment of the application also discloses a method for installing the separated stair by adopting the prefabricated steps, which comprises the following steps:
The method for installing the separated stair by adopting the prefabricated steps comprises the following steps of:
S1: according to the design size of the stairs, two stair section beams 1 are oppositely arranged between building floors;
s2: a plurality of support beams 2 are fixedly arranged between two bench beams 1 through fastening bolts 22;
S3: an upper stopper 4 is mounted at one end of the support beam 2 through a fixing bolt 41;
s4: aligning the clamping groove 31 on the step 3 with one end of the supporting beam 2 far away from the stop block 4, and sleeving the step 3 on the supporting beam 2;
s5: pushing the step 3 to move towards the stop block 4 until the step 3 abuts against the stop block 4, and completing installation.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. A split stair employing prefabricated steps, characterized in that: including two bench roof beams (1) that set up relatively, two be provided with many supporting beams (2) between bench roof beam (1), be provided with on supporting beam (2) and mark time (3), mark time (3) on seted up joint groove (31) with supporting beam (2) looks adaptation, mark time (3) pass 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 on the diapire of joint groove (31) and be provided with self-locking mechanism (5), mark time (3) are from keeping away from on supporting beam (2) one end of dog (4) embolias to on supporting beam (2), the drive mark time (3) are pulled out from supporting beam (2), self-locking mechanism (5) block to mark time (3); a plurality of mounting holes (11) are formed in the two bench beams (1) at equal intervals, ear plates (21) are arranged at two ends of the supporting beam (2), fastening bolts (22) are arranged on the ear plates (21) in a penetrating mode, and the supporting beam (2) is mounted on the bench beams (1) after the fastening bolts (22) penetrate through the mounting holes (11); the bottom wall of the clamping groove (31) is provided with a containing groove (33), the bottom wall of the containing groove (33) is obliquely arranged, the side, close to the stop block (4), of the containing groove (33) is shallower than the side, far away from the stop block (4), of the containing groove (33), the self-locking mechanism (5) comprises a roll shaft (51), sliding grooves (331) are oppositely formed in the two side walls of the containing groove (33), the sliding grooves (331) are parallel to the bottom wall of the containing groove (33), the two ends of the roll shaft (51) are respectively in rolling fit with the sliding grooves (331) in the two sides, the roll shaft (51) is always in contact with the bottom wall of the containing groove (33), and when the roll shaft (51) is positioned at the shallow end of the containing groove (33), one part of the roll shaft (51) extends out of the containing groove (33); or set up two holding tank (33) on the diapire of joint groove (31), two the diapire of holding tank (33) all inclines to set up, two the shallow end of holding tank (33) is relative and the intercommunication, two the diapire chamfer setting of holding tank (33) intercommunication department.
2. A split stairway employing prefabricated steps according to claim 1, characterised in that: threaded holes (23) are formed in two ends of the supporting beam (2), fixing bolts (41) are arranged on the stop blocks (4) in a penetrating mode, and the fixing bolts (41) are in threaded fit with the threaded holes (23).
3. A split stairway employing prefabricated steps according to claim 1, characterised in that: the vertical face of the step (3) and one end of the tread face towards the bench beam (1) are hinged with pedals (32), and the tail ends of the pedals (32) are attached to the bench beam (1).
4. A split stairway employing prefabricated steps according to claim 1, characterised in that: a magnet (6) is arranged on the bottom wall of the shallow end of the accommodating groove (33), and the roll shaft (51) is made of a magneto-philic metal.
5. A method of installing a split stairway using prefabricated steps according to any one of claims 1 to 4, characterised in that:
S1: two bench beams (1) are oppositely arranged between floors;
s2: a plurality of support beams (2) are arranged between two bench beams (1);
S3: a stop block (4) is arranged at one end of the supporting beam (2);
S4: the step (3) is sleeved on the support beam (2) from one end of the support beam (2) far away from the stop block (4), and the step (3) is pushed towards the stop block (4) until the step (3) is abutted against the stop block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210257288.5A CN114562081B (en) | 2022-03-16 | 2022-03-16 | Separated stair adopting prefabricated steps and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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