CN218028573U

CN218028573U - Prefabricated staircase of assembly type structure

Info

Publication number: CN218028573U
Application number: CN202222067469.XU
Authority: CN
Inventors: 陈建勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-13
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to an assembly type structure prefabricated staircase, it includes stair and two mounting platforms, all be provided with on two mounting platforms and reserve the dowel steel, the preformed hole has all been seted up at stair upper and lower both ends, still include four first sliders, four second sliders and four connecting rods, be provided with the reference column in the preformed hole, the locating hole has been seted up along its direction of height to the reference column, reserve the dowel steel and the cooperation of pegging graft of locating hole, the spout has all been seted up to reference column four lateral walls, the spout sets up along reference column length direction, be provided with the sleeve in the preformed hole, the movable hole has been seted up along its direction of height to the sleeve, the first annular that the level set up is seted up to the inside wall of movable hole, first slider and spout sliding connection, second slider and first annular sliding connection, connecting rod one end is articulated with first slider, the connecting rod other end is articulated with the second slider. This application makes things convenient for the counterpoint of preformed hole and reservation dowel, the installation of being convenient for.

Description

Prefabricated staircase of assembly type structure

Technical Field

The utility model belongs to the technical field of assembled stair and specifically relates to an assembled building prefabricated staircase is related to.

Background

The prefabricated staircase has been widely popularized in recent years, wherein the prefabricated staircase is convenient and quick to construct, can be used for the passage of constructors and the transportation of materials in real time after being installed in place, and plays an important role in improving the field construction efficiency, so that the prefabricated staircase is often one of the necessary items in the prefabricated scheme of the prefabricated staircase.

Chinese patent with patent publication No. CN205134791U discloses an assembled prefabricated staircase, including ladder beam, prefabricated staircase, connecting reinforcement, reservation dowel, prefabricated staircase upper and lower both ends are connected with the ladder beam, prefabricated staircase upper end is connected with the ladder beam through connecting reinforcement, prefabricated staircase lower extreme is provided with the reservation slotted hole, the reservation slotted hole is connected with the reservation dowel.

For the related technologies, the inventor thinks that the installation is relatively inconvenient because the overall size of the prefabricated staircase may not be sufficiently matched with the size of the site during site construction, and the position of the reserved slotted hole may be misaligned with the position of the reserved joint bar on the site.

SUMMERY OF THE UTILITY MODEL

In order to solve prefabricated staircase's size and the deviation appears probably with the on-the-spot size, lead to the inconvenient problem of installation, this application provides a prefabricated staircase of assembly type structure.

The application provides a pair of prefabricated building prefabricated staircase adopts following technical scheme:

the utility model provides an assembly type structure prefabricated staircase, includes stair spare and two mounting platforms, two all be provided with on the mounting platform and reserve the dowel, the preformed hole has all been seted up at both ends about the stair spare, still includes four first sliders, four second sliders and four connecting rods, be provided with the reference column in the preformed hole, the locating hole has been seted up along its direction of height to the reference column, reserve the dowel and the cooperation of pegging graft of locating hole, the spout has all been seted up to reference column four lateral walls, the spout sets up along reference column length direction, be provided with the sleeve in the preformed hole, the activity hole has been seted up along its direction of height to the sleeve, the first annular that has the level to set up is seted up to the lateral wall in the activity hole, first slider and spout sliding connection, second slider and first annular sliding connection and four second sliders are located four inside walls of preformed hole respectively, connecting rod one end is articulated with first slider, the connecting rod other end is articulated with the second slider.

By adopting the technical scheme, when the stair piece needs to be installed, a worker judges the position of the embedded joint bar in advance, then moves the first sliding block and the second sliding block to adjust the position of the positioning column in the movable hole, and then inserts the reserved joint bar into the positioning hole to realize positioning, so that the installation of the stair piece can be completed by the dislocation of the position of the reserved long circular hole and the position of the reserved joint bar on the site, and the installation is convenient.

Preferably, the second annular has been seted up to the preformed hole inner wall, the sleeve perisporium is connected with a plurality of sliding blocks, the stair piece is located the preformed hole border and has seted up a plurality of mounting grooves, and is a plurality of preformed hole and second annular all communicate with the mounting groove, sliding block and second annular and mounting groove sliding connection, the water conservancy diversion hole with second annular intercommunication is seted up to the activity downthehole wall.

Through adopting above-mentioned technical scheme, when needing the installation sleeve, the staff avoids the sleeve to break away from, easy to assemble with the mounting groove sliding connection of sleeve perisporium earlier, then rotates the sleeve.

Preferably, a plurality of first injection holes are formed in the inner wall of the positioning hole along the circumferential direction of the positioning hole, and the first injection holes are arranged along the length direction of the positioning column.

Through adopting above-mentioned technical scheme, after the stair spare has been installed, the staff pours the concrete into the movable orifices in, in the period concrete gets into the locating hole along first filling hole, has strengthened the joint strength who reserves between dowel and the locating column after the concrete solidifies.

Preferably, the connection part of the two mounting platforms and the stair piece is provided with a damping layer with an L-shaped vertical section, and the damping layer comprises alternately arranged rubber layers and steel plate layers.

By adopting the technical scheme, the shock absorption layer arranged in the L shape absorbs the shock of transverse waves and longitudinal waves of an earthquake through the deformation of the rubber layer between the steel plates, and the shock resistance of the prefabricated staircase of the assembly type building is improved.

Preferably, still include a plurality of connecting plates, the opening part and connecting plate and the muffjoint of preformed hole are located to connecting plate end cover, the connecting plate other end is connected with a plurality of reserved lacing wires, two the mounting platform all sets up the groove of pouring that supplies the reserved lacing wire to stretch into.

Through adopting above-mentioned technical scheme, after reserving the dowel and pegging graft the cooperation with the reference column, the staff stretches into the reservation lacing wire of connecting plate one end and pours the inslot, again with the other end and the muffjoint of connecting plate to strengthen the joint strength between stair spare and the mounting platform.

Preferably, a second injection hole is formed in the connecting plate, and the second injection hole is communicated with the movable hole.

By adopting the technical scheme, concrete is poured into the movable hole through the second injection hole.

Preferably, the first slider is connected with a first connecting block, the second slider is connected with a second connecting block, a first groove for the first connecting block to slide is formed in the inner wall of the sliding groove, and a second groove for the second connecting block to slide is formed in the inner wall of the first ring groove.

Through adopting above-mentioned technical scheme, avoid first slider to break away from the spout and avoid the second slider to break away from first annular.

Preferably, the two ends of the sliding groove in the height direction of the positioning column are closed.

By adopting the technical scheme, the positioning column is prevented from falling out of the preformed hole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the stair piece needs to be installed, a worker judges the position of the embedded joint bar in advance, then moves the first sliding block and the second sliding block to adjust the position of the positioning column in the movable hole, and then inserts the reserved joint bar into the positioning hole to realize positioning, so that the installation of the stair piece can be completed when the position of the reserved long circular hole and the position of the reserved joint bar on the site are staggered, and the installation is convenient;

2. when the sleeve is required to be installed, a worker firstly connects the sliding block on the peripheral wall of the sleeve with the installation groove in a sliding manner, and then rotates the sleeve to avoid the sleeve from being separated, so that the sleeve is convenient to install;

3. after the stair spare has been installed, the staff pours the concrete into the movable hole in, in the concrete got into the reference column along first filling hole during, has strengthened the joint strength who reserves between dowel and the reference column after the concrete solidifies.

Drawings

Fig. 1 is a schematic overall structure view of the prefabricated staircase for prefabricated buildings according to the embodiment of the present application.

Fig. 2 is a partially enlarged schematic view at a in fig. 1.

Fig. 3 is a schematic sectional view of a part of an assembly type prefabricated staircase according to an embodiment of the present application, mainly showing a first slider, a connecting rod and a second slider.

Description of the reference numerals: 100. a stair member; 110. reserving a hole; 111. mounting grooves; 112. a second ring groove; 200. mounting a platform; 210. pouring a groove; 220. reserving a dowel bar; 300. a sleeve; 310. a movable hole; 311. a first ring groove; 3112. a flow guide hole; 320. a slider; 400. a positioning column; 410. positioning holes; 411. a first injection hole; 420. a chute; 500. a shock-absorbing layer; 510. a rubber layer; 520. a steel plate layer; 600. a connecting plate; 610. reserving a lacing wire; 620. a second injection hole; 710. a first slider; 720. a connecting rod; 730. and a second slider.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses prefabricated stair of assembly type structure. Referring to fig. 1 and 2, an assembly type prefabricated staircase for buildings comprises a staircase piece 100 and two installation platforms 200, wherein two reserved insertion ribs 220 are arranged on the two installation platforms 200, two reserved holes 110 are formed in the upper end and the lower end of the staircase piece 100, a freely movable positioning column 400 is arranged in each reserved hole 110, a positioning hole 410 is formed in the positioning column 400 in the height direction, and the reserved insertion ribs 220 are in insertion fit with the positioning holes 410.

Referring to fig. 2, fig. 3, still include sleeve 300, sleeve 300's height is the same with preformed hole 110 and sleeve 300 and preformed hole 110 sliding connection, the horizontal cross-section has been seted up to preformed hole 110 inner wall and has been the annular second annular 112 of circle, stair piece 100 is located preformed hole 110 border and has seted up three mounting groove 111 with second annular 112 intercommunication, mounting groove 111 is vertical to be set up, sleeve 300 perisporium welding has three sliding block 320, three sliding block 320 is vertical direction with three mounting groove 111 sliding connection and sliding direction respectively, three sliding block 320 still with second annular 112 sliding connection.

The sleeve 300 is provided with a movable hole 310 along the height direction thereof, the positioning column 400 is located in the movable hole 310, the positioning column 400 is connected with four first sliding blocks 710, four second sliding blocks 730 and four connecting rods 720, the four side walls of the positioning column 400 are all provided with sliding grooves 420, the sliding grooves 420 are arranged along the length direction of the positioning column 400, two ends of each sliding groove 420 are sealed, the inner side wall of each movable hole 310 is provided with a first ring groove 311 which is horizontally arranged, the horizontal section of each first ring groove 311 is a square ring, the first sliding blocks 710 are in sliding connection with the sliding grooves 420, the second sliding blocks 730 are in sliding connection with the first ring grooves 311, the four second sliding blocks 730 are respectively located on four inner side walls of the reserved holes 110, one end of each connecting rod 720 is hinged to the first sliding block 710, the other end of each connecting rod 720 is hinged to the second sliding block 730, the length of each sliding groove 420 is greater than that of each connecting rod 720, a plurality of pouring holes communicated with the second ring grooves 112 are formed in the first ring grooves 311, in the first ring grooves 710 are provided with the first connecting blocks, the second connecting blocks 730, the second sliding blocks 730 are bonded with second connecting blocks 730, the inner side walls of the sliding grooves 420, and the second sliding grooves are provided with a second connecting blocks, and the top wall of each sliding grooves 710, so as to prevent the second sliding blocks from being separated from the second sliding grooves, and the top wall of each sliding grooves 311, and the sliding grooves 310. Thereby realize the free activity of reference column 400 in certain space in the activity hole 310, solve the size of prefabricated stair and probably appear the deviation with the field size, lead to the inconvenient problem of installation, save time and the manpower of trompil again.

Four first injection holes 411 are opened along its circumference in locating hole 410 inner wall, and first injection hole 411 sets up along reference column 400 length direction, and after the installation stair spare 100, in the staff pours the concrete into activity hole 310, in the time concrete got into locating hole 410 along first injection hole 411, has strengthened the joint strength between reservation dowel 220 and the reference column 400 after the concrete solidifies.

The stair piece 100 is characterized by further comprising four connecting plates 600, one end of each connecting plate 600 is covered at an opening of the reserved hole 110, the end of each connecting plate 600 is connected with the top of the sleeve 300 through a bolt, the other end of each connecting plate 600 is connected with a plurality of reserved tie bars 610, the two mounting platforms 200 are respectively provided with a plurality of pouring grooves 210 for the reserved tie bars 610 to extend into, in addition, embedded grooves for the connecting plates 600 to be embedded into are formed in the edges of the reserved positions at the two ends of the stair piece 100, and therefore the connecting plates 600 are prevented from being higher than the horizontal planes at the two ends of the stair piece 100, and the appearance is not affected; one end of the connecting plate 600 connected with the sleeve 300 is provided with a second injection hole 620 communicated with the movable hole 310, and workers inject concrete through the second injection hole 620 to complete the erection of the prefabricated staircase; after pouring, the mounting platform 200 provides horizontal pulling force for the top of the stair piece 100 through the connecting plate 600, and the mounting platform 200 provides horizontal pulling force for the bottom of the stair piece 100 through the reserved dowel bars 220, so that the pulling force balance is realized, and the connecting strength is increased.

The shock-absorbing layers 500 with L-shaped vertical sections are arranged at the joints of the other two mounting platforms 200 and the stair piece 100, the bottoms and the side parts of the two ends of the prefabricated stair are abutted to the shock-absorbing layers 500, the shock-absorbing layers 500 are connected with the stair piece 100 after concrete is poured, the shock-absorbing layers 500 comprise rubber layers 510 and steel plate layers 520 which are alternately arranged, the shock-absorbing layers 500 arranged in an L shape absorb the vibration of transverse waves and longitudinal waves of an earthquake through the deformation of the rubber layers 510 between steel plates, and the shock resistance of the prefabricated stair for the assembly type building is improved.

The implementation principle of prefabricated stair of assembly type structure of this application embodiment does: when the stair piece 100 needs to be installed, a worker judges the position of the embedded joint bar in advance, then moves the first sliding block 710 and the second sliding block 730 to adjust the position of the positioning column 400 in the movable hole 310, and then inserts the reserved joint bar 220 into the positioning hole 410 to realize positioning, so that the installation of the stair piece 100 can be completed even if the position of the reserved long circular hole and the position of the reserved joint bar 220 on site are staggered, and the installation is facilitated.

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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an assembly type structure prefabricated staircase, includes stair piece (100) and two mounting platform (200), two all be provided with on mounting platform (200) and reserve dowel (220), preformed hole (110), its characterized in that have all been seted up at both ends about stair piece (100): still include four first sliders (710), four second sliders (730) and four connecting rods (720), be provided with reference column (400) in preformed hole (110), locating hole (410) have been seted up along its direction of height in reference column (400), it pegs graft the cooperation with locating hole (410) to reserve dowel bar (220), spout (420) have all been seted up to reference column (400) four lateral walls, spout (420) set up along reference column (400) length direction, be provided with sleeve (300) in preformed hole (110), activity hole (310) have been seted up along its direction of height in sleeve (300), first annular (311) that have the level to set up are seted up to activity hole (310) inside wall, first slider (710) and spout (420) sliding connection, second slider (730) are located four inside walls of preformed hole (110) respectively with first annular (311) sliding connection and four second sliders (730), connecting rod (720) one end is articulated with first slider (710), the other end and second slider (720) are articulated.

2. The prefabricated staircase of claim 1, wherein: second annular (112) have been seted up to preformed hole (110) inner wall, sleeve (300) perisporium is connected with a plurality of sliding blocks (320), stair spare (100) are located preformed hole (110) border and have seted up a plurality of mounting grooves (111), and are a plurality of preformed hole (110) and second annular (112) all communicate with mounting groove (111), sliding block (320) and second annular (112) and mounting groove (111) sliding connection, water conservancy diversion hole (3112) with second annular (112) intercommunication are seted up to activity hole (310) inner wall.

3. The prefabricated staircase of claim 1, wherein: a plurality of first injection holes (411) are formed in the inner wall of the positioning hole (410) along the circumferential direction of the positioning hole, and the first injection holes (411) are arranged along the length direction of the positioning column (400).

4. The prefabricated staircase of claim 1, wherein: the connecting part of the two mounting platforms (200) and the stair piece (100) is provided with a shock absorption layer (500) with an L-shaped vertical section, and the shock absorption layer (500) comprises rubber layers (510) and steel plate layers (520) which are alternately arranged.

5. The prefabricated staircase of claim 1, wherein: still include a plurality of connecting plates (600), the opening part and connecting plate (600) of preformed hole (110) are located to connecting plate (600) one end cover and are connected with sleeve (300), connecting plate (600) other end is connected with a plurality of lacing wires of reserving (610), two mounting platform (200) are all seted up and are supplied to reserve groove (210) of pouring that lacing wire (610) stretched into.

6. The prefabricated staircase of claim 5, wherein: the connecting plate (600) is provided with a second injection hole (620), and the second injection hole (620) is communicated with the movable hole (310).

7. The prefabricated staircase of claim 1, wherein: first slider (710) is connected with first connecting block, second slider (730) is connected with the second connecting block, spout (420) inner wall is seted up and is supplied the gliding first recess of first connecting block, the gliding second recess of confession second connecting block is seted up to first annular (311) inner wall.

8. The prefabricated staircase of claim 1, wherein: the two ends of the sliding groove (420) along the height direction of the positioning column (400) are closed.