Assembly type stair installation auxiliary device based on BIM technology and use method

Abstract

The invention discloses an assembly type stair installation auxiliary device based on the BIM technology and a using method.The auxiliary device comprises a bearing frame, a lifting assembly is arranged on the bearing frame and connected with a laser gradienter through a clamping and locking structure, the laser gradienter is used for measuring the installation position of an assembly type stair, and the clamping and locking structure is arranged on the bearing frame. The laser gradienter is connected to the lifting assembly through a clamping and locking structure, and the height, located on the bearing frame, of the laser gradienter is adjusted through the lifting assembly. By means of the laser gradienter and the lifting assembly, accurate positioning and height adjustment of the assembly type stair can be achieved, the accuracy of stair installation is ensured, and therefore the precision of stair installation is improved. The lifting assembly allows the height of the laser gradienter to be rapidly adjusted so as to meet the requirements of different installation positions.

Description

Technical Field

[0001] The invention relates to an auxiliary device for installing assembled stairs based on BIM technology and a method for using the device. Background Art

[0002] In prefabricated buildings, the components of prefabricated stairs are heavy and difficult to install on site. At the same time, stairs are also the weak link in the earthquake resistance of the building structure. Therefore, the requirements for the installation accuracy of prefabricated stairs become particularly important.

[0003] In traditional prefabricated building construction, the installation of prefabricated stairs usually relies on manual measurement and positioning, which has problems such as low efficiency, inaccurate positioning, and slow installation. Especially in complex building structures, the precise installation of stairs is crucial to the stability and safety of the overall structure. In addition, the manual positioning process can easily cause the positioning steel bars to accidentally collide with the position, increasing the construction risk and rework cost. Therefore, an auxiliary device for the installation of prefabricated stairs based on BIM technology and a method for its use are proposed. Summary of the invention

[0004] The purpose of the present invention is to provide an auxiliary device for installing a prefabricated staircase based on BIM technology and a method for using the same, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: an auxiliary device for installing assembled stairs based on BIM technology, comprising a load-bearing frame, a lifting assembly is arranged on the load-bearing frame, the lifting assembly is connected to a laser level through a locking structure, and the laser level is used to measure the installation position of the assembled stairs. The laser level is connected to the lifting assembly via a locking structure, and the height of the laser level at the carrier is adjusted via the lifting assembly.

[0006] Preferably, the lifting assembly includes an inner lining sleeve, which is inserted above the supporting frame, and a plurality of positioning holes are opened on one side of the inner lining sleeve. Two groups of positioning bolt rods are arranged at the supporting frame, and the positioning bolt rods cooperate with the positioning holes.

[0007] Preferably, a bearing plate is provided at the top end of the liner sleeve, and the bearing plate is waist-shaped.

[0008] Preferably, the locking structure comprises an adjusting knob located on the front end surface of the bearing plate, and one side of the adjusting knob is connected to the fixed shaft cylinder through a transmission assembly. Wherein, the adjusting knob controls the axial movement of the fixed shaft cylinder through the transmission assembly.

[0009] Preferably, the transmission assembly includes a rotating shaft located at the end of the adjusting knob, one end of the rotating shaft away from the adjusting knob is connected to the driving gear, and both sides of the driving gear are connected to the driven shaft through the driven gear.

[0010] Preferably, the outer circumference of the driven shaft is provided with an external thread, the inner wall of the fixed shaft cylinder is provided with an internal thread, and the fixed shaft cylinder and the driven shaft cooperate with each other so that the driven shaft drives the fixed shaft cylinder to move through the cooperation between the external thread and the internal thread.

[0011] Preferably, the bearing plate is provided with a guide groove at the fixed shaft cylinder, and the guide groove matches the shape of the fixed shaft cylinder.

[0012] Preferably, guide slide bars are provided on both sides of the fixed shaft cylinder so that the fixed shaft cylinder can move linearly inside the guide groove through the guide slide bars.

[0013] Preferably, guide plates are provided on both sides of the bottom end of the laser level, a gap for the bearing plate to slide is formed between the guide plates, and two groups of guide plates are provided with positioning grooves for fixing the shaft tube on one side of the gap.

[0014] A method for using a prefabricated stair installation auxiliary device based on BIM technology, comprising the following steps: Step S1, installation of auxiliary device; Step S11, insert the liner sleeve into the middle of the bearing frame, then adjust the positioning bolt rod, insert the positioning bolt rod into the positioning hole of the liner sleeve, and complete the connection between the liner sleeve and the bearing frame; Step S12, aligning the gap between the two sets of guide plates at the bottom of the laser level with the bearing plate, and moving the laser level until the positioning grooves on both sides of the laser level move to the fixed shaft cylinder; Step S13, rotating the adjusting knob, the rotating shaft connected to the driving gear rotates, the driving gear meshes with the driven gear, and the driven shaft is controlled to rotate; Step S14, the outer thread on the outer periphery of the driven shaft cooperates with the inner thread of the fixed shaft cylinder, driving the fixed shaft cylinder to extend out of the guide groove until the fixed shaft cylinder is inserted into the positioning grooves on the guide plate sides on both sides of the bottom of the laser level, thereby completing the installation of the laser level; Step S2, adjusting the height of the laser level; Step S21, screw a set of positioning bolt rods out of the positioning holes, hold the liner shaft cylinder, and maintain the height of the laser level; Step S22, screw the second set of positioning bolt rods out of the positioning holes, move the liner shaft cylinder up and down, and adjust the height of the laser level to a predetermined height; Step S23, rotating the two sets of positioning bolt rods in sequence so that they are inserted into the inner liner shaft cylinder through the positioning holes, thereby completing the adjustment of the height of the laser level; Step S3: Using BIM technology; Step S31, using BIM technology to build a standard prefabricated staircase model according to the prefabricated staircase drawing, taking the edge of the prefabricated staircase after installation as the reference, determining a one-meter control line on the side of the staircase on the rest platform between the prefabricated staircases and marking the line with an ink fountain; Step S32, determine the centerline position according to the distance between the midpoint of the upper and lower stair sections of the assembled staircase and the side wall of the staircase, and mark the centerline with an ink fountain on site; Step S33, according to the intersection of the one-meter control line of the staircase side and the center line, the projection position of the laser level in the auxiliary device is used, at this time, the midpoint of the support frame is projected to the intersection, and the support frame is connected to the laser level and set up at the projection position; Step S34, marking the central axis of the assembled staircase with an ink fountain, and the marking distance is not less than three steps of the staircase; Step S35, after starting the hoisting device of the assembled staircase, turn on the laser level and level it; Step S36, compare the laser line of the laser level with the layout position of the center line of the assembled staircase to ensure that the laser line coincides with the center line of the assembled staircase, and then determine the hoisting position of the assembled staircase, stabilize the assembled staircase and ensure that the laser line is aligned with the center line of the assembled staircase until the staircase is hoisted and installed in place.

[0015] Compared with the prior art, the present invention has the following beneficial effects: By providing a laser level and a lifting assembly, the present invention can achieve accurate positioning and height adjustment of the assembled staircase, ensure the accuracy of staircase installation, and thus improve the accuracy of staircase installation.

[0016] Through the design of the lifting assembly and the locking structure, the lifting assembly allows the height of the laser level to be quickly adjusted to meet the needs of different installation locations. The locking structure provides a stable connection method to ensure that the laser level can be firmly locked, thereby improving the efficiency and accuracy of stair installation; the height adjustment and position fixing of the laser level are faster, reducing the time for manual measurement and positioning, and significantly improving installation efficiency.

[0017] Traditional stair installation relies on manual handling and positioning, which is labor-intensive. The present invention applies BIM technology to the actual installation of assembled stairs. Through the precise positioning of the laser level, it can avoid misoperation during manual positioning, reduce construction risks caused by inaccurate positioning, ensure construction safety, and also reduce the labor intensity of workers and improve the working environment.

[0018] Through the combined use of BIM technology and laser level, it can be ensured that every link of the stair installation meets the design requirements, thereby improving the overall construction quality.

[0019] The present invention reduces material waste caused by rework and incorrect installation, and is in line with the concepts of green building and sustainable development. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of a lifting assembly according to an embodiment of the present invention; Figure 3 A schematic diagram of the structure of a laser level according to an embodiment of the present invention; Figure 4 A schematic diagram of a locking structure according to an embodiment of the present invention; Figure 5 Schematic diagram of the fixed shaft cylinder structure of an embodiment of the present invention Figure 6 A schematic diagram of an ink fountain marking line on the central axis of an assembled staircase according to an embodiment of the present invention; Figure 7 This is a schematic diagram of the assembled staircase in the embodiment of the present invention after hoisting is completed; Figure 8 Schematic diagram of laser measurement of a laser leveler according to an embodiment of the present invention.

[0021] In the figure: 1. support frame; 2. lifting assembly; 201. lining sleeve; 202. positioning hole; 203. positioning bolt rod; 204. support plate; 2041. guide groove; 3. locking structure; 301. adjusting knob; 302. transmission assembly; 3021. rotating shaft; 3022. driving gear; 3023. driven gear; 3024. driven shaft; 3025. external thread; 303. fixed shaft cylinder; 3031. internal thread; 304. guide slide rod; 4. laser level; 401. guide plate; 402. gap; 403. positioning groove. DETAILED DESCRIPTION

[0022] In order to solve the problem that the installation of traditional prefabricated stairs usually relies on manual measurement and positioning, and there are problems such as low efficiency, inaccurate positioning, and slow installation speed, the embodiment of the present invention provides a prefabricated stair installation auxiliary device and use method based on BIM technology. The technical scheme in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-8 The present invention provides an auxiliary device for installing an assembled staircase based on BIM technology. The auxiliary device for installing an assembled staircase based on BIM technology comprises a carrier frame 1, a lifting assembly 2 is arranged at the carrier frame 1, and the lifting assembly 2 is connected to a laser level 4 through a locking structure 3. The laser level 4 is used to determine the installation position of the assembled staircase. The laser level 4 is connected to the lifting assembly 2 via a locking structure 3 , and the height of the laser level 4 at the carrier frame 1 is adjusted via the lifting assembly 2 .

[0024] The lifting assembly 2 includes an inner lining sleeve 201, which is inserted above the supporting frame 1. A plurality of positioning holes 202 are provided on one side of the inner lining sleeve 201. Two groups of positioning bolt rods 203 are provided at the supporting frame 1, and the positioning bolt rods 203 cooperate with the positioning holes 202.

[0025] A bearing plate 204 is disposed at the top end of the liner sleeve 201 , and the bearing plate 204 is waist-shaped.

[0026] The locking structure 3 includes an adjusting knob 301 located at the front end of the bearing plate 204. One side of the adjusting knob 301 is connected to a fixed shaft cylinder 303 through a transmission assembly 302. The adjusting knob 301 controls the axial movement of the fixed shaft cylinder 303 through the transmission assembly 302 .

[0027] The transmission assembly 302 includes a rotating shaft 3021 located at the end of the adjusting knob 301 . One end of the rotating shaft 3021 away from the adjusting knob 301 is connected to a driving gear 3022 . Both sides of the driving gear 3022 are connected to a driven shaft 3024 via driven gears 3023 .

[0028] The outer circumference of the driven shaft 3024 is provided with an external thread 3025, and the inner wall of the fixed shaft cylinder 303 is provided with an internal thread 3031. The fixed shaft cylinder 303 and the driven shaft 3024 cooperate with each other so that the driven shaft 3024 drives the fixed shaft cylinder 303 to move through the cooperation between the external thread 3025 and the internal thread 3031.

[0029] The bearing plate 204 is provided with a guide groove 2041 at the fixed shaft cylinder 303 , and the guide groove 2041 matches the shape of the fixed shaft cylinder 303 .

[0030] Guide slide bars 304 are provided on both sides of the fixed shaft cylinder 303 , so that the fixed shaft cylinder 303 can move linearly inside the guide groove 2041 through the guide slide bars 304 .

[0031] Guide plates 401 are provided on both sides of the bottom end of the laser level 4, and gaps 402 for the bearing plate 204 to slide are formed between the guide plates 401. Positioning grooves 403 for fixing the shaft tube 303 are provided on one side of the gap 402.

[0032] A method for using a prefabricated stair installation auxiliary device based on BIM technology, comprising the following steps: Step S1, installation of auxiliary device; Step S11, insert the lining sleeve 201 into the middle of the carrier frame 1, then adjust the positioning bolt rod 203, insert the positioning bolt rod 203 into the positioning hole 202 of the lining sleeve 201, and complete the connection between the lining sleeve 201 and the carrier frame 1; Step S12, aligning the gap 402 between the two sets of guide plates 401 at the bottom of the laser level 4 with the carrier plate 204, and moving the laser level 4 until the positioning grooves 403 on both sides of the laser level 4 move to the fixed shaft cylinder 303; Step S13, rotating the adjusting knob 301, the rotating shaft 3021 connects to the driving gear 3022 to rotate, the driving gear 3022 is meshed with the driven gear 3023, and the driven shaft 3024 is controlled to rotate; Step S14, the outer thread 3025 on the outer periphery of the driven shaft 3024 cooperates with the inner thread 3031 of the fixed shaft cylinder 303, driving the fixed shaft cylinder 303 to extend out of the guide groove 2041, until the fixed shaft cylinder 303 is inserted into the positioning grooves 403 located on the sides of the guide plates 401 on both sides of the bottom of the laser level 4, and the installation of the laser level 4 is completed; Step S2, adjusting the height of the laser level 4; Step S21, screw a set of positioning bolt rods 203 out of the positioning holes 202, hold the liner shaft cylinder, and maintain the height of the laser level 4; Step S22, screw the second set of positioning bolt rods 203 out of the positioning holes 202, move the inner liner cylinder up and down, and adjust the height of the laser level 4 to a predetermined height; Step S23, rotate the two sets of positioning bolt rods 203 in sequence so that they are inserted into the inner liner shaft cylinder through the positioning holes 202, thereby completing the height adjustment of the laser level 4; Step S3: Using BIM technology; Step S31, using BIM technology to build a standard prefabricated staircase model according to the prefabricated staircase drawing, taking the edge of the prefabricated staircase after installation as the reference, determining a one-meter control line on the side of the staircase on the rest platform between the prefabricated staircases and marking the line with an ink fountain; Step S32, determine the centerline position according to the distance between the midpoint of the upper and lower stair sections of the assembled staircase and the side wall of the staircase, and mark the centerline with an ink fountain on site; Step S33, according to the intersection of the one-meter control line of the stair side and the center line as the projection position for installing the laser level in the auxiliary device, at this time, the midpoint of the support frame 1 is projected to the intersection, and the support frame 1 is connected to the laser level 4 and set up at the projection position; Step S34, marking the central axis of the assembled staircase with an ink fountain, and the marking distance is not less than three steps of the staircase; Step S35: Start the hoisting device of the assembled staircase, turn on the laser level 4, and level it. Step S36, compare the laser line of the laser level 4 with the layout position of the center line of the assembled staircase to ensure that the laser line coincides with the center line of the assembled staircase, and then determine the hoisting position of the assembled staircase, stabilize the assembled staircase and ensure that the laser line is aligned with the center line of the assembled staircase until the staircase is hoisted and installed in place.

[0033] The BIM-based prefabricated stair installation auxiliary device and use method of the present invention have the following advantages: By providing the laser level 4 and the lifting assembly 2, the present invention can achieve accurate positioning and height adjustment of the assembled staircase, ensure the accuracy of staircase installation, and thus improve the accuracy of staircase installation.

[0034] Through the design of the lifting assembly 2 and the locking structure 3, the lifting assembly 2 allows the height of the laser level 4 to be quickly adjusted to meet the needs of different installation locations. The locking structure 3 provides a stable connection method to ensure that the laser level 4 can be firmly locked, thereby improving the efficiency and accuracy of stair installation; the height adjustment and position fixation of the laser level 4 are faster, reducing the time for manual measurement and positioning, and significantly improving the installation efficiency.

[0035] Traditional stair installation relies on manual handling and positioning, which is labor-intensive. The present invention applies BIM technology to the actual installation of assembled stairs. Through the precise positioning of the laser level 4, it can avoid misoperation during manual positioning, reduce construction risks caused by inaccurate positioning, ensure construction safety, and also reduce the labor intensity of workers and improve the working environment.

[0036] Through the combined use of BIM technology and laser level 4, it can be ensured that every link of the stair installation meets the design requirements, thereby improving the overall construction quality.

[0037] The present invention reduces material waste caused by rework and incorrect installation, and is in line with the concepts of green building and sustainable development.

[0038] While the invention has been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made thereto without departing from the principles and spirit of the invention, the scope of the invention being defined by the appended claims and their equivalents.

Claims

1. An auxiliary device for installing assembled stairs based on BIM technology, characterized in that: The invention comprises a support frame (1), wherein a lifting assembly (2) is arranged on the support frame (1), wherein the lifting assembly (2) is connected to a laser level (4) via a locking structure (3), and wherein the laser level (4) is used to measure the installation position of the assembled staircase. The laser level (4) is connected to the lifting assembly (2) via a locking structure (3), and the height of the laser level (4) at the support frame (1) is adjusted via the lifting assembly (2).

2. According to claim 1, the BIM-based prefabricated stair installation auxiliary device is characterized by: The lifting assembly (2) comprises an inner lining sleeve (201), the inner lining sleeve (201) being inserted above the support frame (1), a plurality of groups of positioning holes (202) being provided on one side of the inner lining sleeve (201), two groups of positioning bolt rods (203) being provided at the support frame (1), and the positioning bolt rods (203) and the positioning holes (202) being matched with each other.

3. According to claim 2, the BIM-based prefabricated stair installation auxiliary device is characterized by: A bearing plate (204) is provided at the top end of the liner sleeve (201), and the bearing plate (204) is waist-shaped.

4. The BIM-based prefabricated stair installation auxiliary device according to claim 3 is characterized in that: The locking structure (3) comprises an adjusting knob (301) located on the front end surface of the bearing plate (204), and one side of the adjusting knob (301) is connected to a fixed shaft cylinder (303) via a transmission assembly (302). The adjusting knob (301) controls the axial movement of the fixed shaft cylinder (303) through the transmission assembly (302).

5. According to claim 4, the BIM-based prefabricated stair installation auxiliary device is characterized in that: The transmission assembly (302) comprises a rotating shaft (3021) located at the end of the adjusting knob (301), wherein one end of the rotating shaft (3021) away from the adjusting knob (301) is connected to a driving gear (3022), and both sides of the driving gear (3022) are connected to a driven shaft (3024) via driven gears (3023).

6. The BIM-based prefabricated stair installation auxiliary device according to claim 5 is characterized in that: The outer circumference of the driven shaft (3024) is provided with an external thread (3025), and the inner wall of the fixed shaft cylinder (303) is provided with an internal thread (3031). The fixed shaft cylinder (303) and the driven shaft (3024) cooperate with each other, so that the driven shaft (3024) drives the fixed shaft cylinder (303) to move through the cooperation between the external thread (3025) and the internal thread (3031).

7. The BIM-based prefabricated stair installation auxiliary device according to claim 6 is characterized by: The bearing plate (204) is provided with a guide groove (2041) located at the fixed shaft cylinder (303), and the guide groove (2041) matches the shape of the fixed shaft cylinder (303).

8. The BIM-based prefabricated stair installation auxiliary device according to claim 7 is characterized in that: Guide slide bars (304) are provided on both sides of the fixed shaft cylinder (303) so that the fixed shaft cylinder (303) can move linearly inside the guide groove (2041) via the guide slide bars (304).

9. The BIM-based prefabricated stair installation auxiliary device according to claim 7 is characterized in that: Guide plates (401) are provided on both sides of the bottom end of the laser level (4), a gap (402) for the bearing plate (204) to slide is formed between the guide plates (401), and two groups of guide plates (401) are provided with a positioning groove (403) for fixing the shaft cylinder (303) on one side of the gap (402).

10. A method for using a prefabricated stair installation auxiliary device based on BIM technology according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step S1, installation of auxiliary device; Step S11, inserting the lining sleeve (201) into the middle of the bearing frame (1), then adjusting the positioning bolt rod (203), inserting the positioning bolt rod (203) into the positioning hole (202) of the lining sleeve (201), and completing the connection between the lining sleeve (201) and the bearing frame (1); Step S12, aligning the gap (402) between the two sets of guide plates (401) at the bottom of the laser level (4) with the carrier plate (204), and moving the laser level (4) until the positioning grooves (403) on both sides of the laser level (4) move to the fixed shaft cylinder (303); Step S13, rotating the adjusting knob (301), the rotating shaft (3021) is connected to the driving gear (3022) to rotate, the driving gear (3022) and the driven gear (3023) are meshed, and the driven shaft (3024) is controlled to rotate; Step S14, the external thread (3025) on the outer periphery of the driven shaft (3024) cooperates with the internal thread (3031) of the fixed shaft cylinder (303), driving the fixed shaft cylinder (303) to extend out of the guide groove (2041) until the fixed shaft cylinder (303) is inserted into the positioning grooves (403) on the sides of the guide plates (401) on both sides of the bottom of the laser level (4), thereby completing the installation of the laser level (4); Step S2, adjusting the height of the laser level (4); Step S21, screwing a set of positioning bolt rods (203) out of the positioning holes (202), holding the inner liner shaft cylinder, and maintaining the height of the laser level (4); Step S22, screwing the second set of positioning bolt rods (203) out of the positioning holes (202), moving the inner liner shaft cylinder up and down, and adjusting the height of the laser level (4) to a predetermined height; Step S23, rotating the two sets of positioning bolt rods (203) in sequence so that they are inserted into the inner liner shaft cylinder through the positioning holes (202), thereby completing the height adjustment of the laser level (4); Step S3: Using BIM technology; Step S31, using BIM technology to build a standard prefabricated staircase model according to the prefabricated staircase drawing, taking the edge of the prefabricated staircase after installation as the reference, determining a one-meter control line on the side of the staircase on the rest platform between the prefabricated staircases and marking the line with an ink fountain; Step S32, determine the centerline position according to the distance between the midpoint of the upper and lower stair sections of the assembled staircase and the side wall of the staircase, and mark the centerline with an ink fountain on site; Step S33, using the intersection of the one-meter control line on the side of the staircase and the center line as the projection position for installing the laser level (4) in the auxiliary device, at this time, projecting the midpoint of the support frame (1) to the intersection, and connecting the support frame (1) to the laser level (4) and setting it at the projection position; Step S34, marking the central axis of the assembled staircase with an ink fountain, and the marking distance is not less than three steps of the staircase; Step S35, after starting the hoisting device of the assembled staircase, turn on the laser level (4) and level it; Step S36, compare the laser line of the laser level (4) with the center line of the assembled staircase to ensure that the laser line coincides with the center line of the assembled staircase, and then determine the hoisting position of the assembled staircase, stabilize the assembled staircase and ensure that the laser line is aligned with the center line of the assembled staircase until the staircase is hoisted and installed in place.

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