Construction hoist model and method of use

Abstract

The invention discloses a construction hoist model and a using method, the model comprises a stand column, the stand column is formed by connecting a plurality of standard knots (1) through screws, a cage is slidably connected to the stand column, a driving mechanism of the cage is arranged on the stand column, a counterweight assembly of the cage is arranged on the stand column, and a plurality of wall attaching frames (2) are arranged on the stand column. A wall plate (3) connected with the wall attaching frame (2) is arranged on one side of the stand column, the wall plate (3) is vertically arranged, a bottom plate (4) penetrating through the lower side of the stand column is arranged at the bottom of the wall plate (3), a datum plate (5) for supporting the stand column is arranged above the bottom plate (4), at least three screw rods (6) penetrating through the datum plate (5) are arranged on the bottom plate (4), and nuts (7) located at the bottom of the datum plate (5) are arranged on the screw rods (6); a laser pen (8) emitting light downwards is arranged on one side of the standard knot (1). The method has the advantage that the student assessment speed can be increased.

Description

Technical Field

[0001] The invention belongs to the field of teaching models, and in particular relates to a construction elevator model and a use method thereof. Background Art

[0002] Construction hoists, also known as construction elevators, are widely used on construction sites. In schools, in order to enable students to understand the structure and working principle of construction hoists more vividly and intuitively, corresponding models will be made. The models are proportionally reduced based on the existing construction hoists, and also include columns. The columns are composed of multiple standard sections connected by screws. One side of the column is provided with multiple wall-mounted brackets arranged from top to bottom and adjustable in length. The column is connected to the building exterior wall through the wall-mounted bracket, and the wall-mounted bracket is fixed on the corresponding standard section. A wall-mounted bracket is set every few standard sections. The column is also provided with a hoist cage that can be raised and lowered, a hoist cage driving mechanism, a hoist cage counterweight assembly and other components. A protective fence is also provided at the lower end of the column, and the protective fence surrounds the column. In order to enable students to see the various components in the model more clearly, the model height is generally set between 2 meters and 2.5 meters.

[0003] Since the model is made in proportion to the construction elevator, and the construction elevator itself is assembled on site, the various components are detachable, so that the cage, drive mechanism and counterweight components can be easily removed from the column. The column itself is composed of multiple standard sections and can be easily disassembled into small sections, which provides convenient conditions for students to disassemble and assemble the model. Students can better master skills in the process of disassembly and assembly, and the school will also conduct assessments on this. The main assessment indicators include: first, students are required to successfully complete the disassembly and assembly of the model within the specified time, and the model can move according to the working mode of the construction elevator. Second, the inspection of assembly quality is mainly whether the assembled column is straight and vertical. The first assessment indicator is relatively easy to judge intuitively, but the judgment of the second indicator requires teachers to use tools to perform very complex measurements and calculations, and then give the quantitative value of the offset of each standard section as the student assessment score. Since the school is equipped with a limited number of models and a large number of students, one model needs to correspond to multiple students in turn for assessment. The complex measurement and calculation seriously reduces the speed of the assessment. Summary of the invention

[0004] The purpose of the present invention is to provide a construction hoist model and a method of using the same. The present invention has the advantage of improving the speed of student assessment.

[0005] The technical solution of the present invention: a construction elevator model, which includes a column, which is composed of a plurality of standard section screw connections, a cage being slidably connected to the column, a cage driving mechanism being provided on the column, a cage counterweight assembly being provided on the column, a plurality of wall mounts being provided on the column, a wall panel connected to the wall mount being provided on one side of the column, the wall panel being vertically arranged, a bottom plate passing through the lower side of the column being provided at the bottom of the wall panel, the bottom plate being horizontally arranged, a reference plate supporting the column being provided above the bottom plate, the reference plate being horizontally arranged, at least three screws passing through the reference plate being provided on the bottom plate, a nut located at the bottom of the reference plate being provided on the screw; a laser pen emitting light downward is provided on one side of the standard section, and a plurality of laser pens form a plurality of light spots on the reference plate.

[0006] In the aforementioned construction elevator model, a cantilever is provided above the laser pen, the inner end of the cantilever is fixed to the corresponding standard section, the outer end of the cantilever is connected to the upper end of the laser pen, and the cantilever is connected to the laser pen via a rope.

[0007] In the aforementioned construction elevator model, a rotating body-shaped counterweight is provided at the lower end of the rope, and the connection between the rope and the counterweight is located on the axis of the counterweight, and the counterweight is coaxial with the laser pen.

[0008] In the aforementioned construction elevator model, a mounting hole for the laser pen is provided at the lower end of the counterweight block, and at least two first rubber rings are embedded on the circumference of the mounting hole, and the counterweight block is elastically connected to the laser pen through the first rubber rings;

[0009] The upper end of the counterweight block is provided with a step blind hole which is larger at the top and smaller at the bottom. A second rubber ring is embedded on the circumferential surface of the larger end of the step blind hole. A locking block for a rope is provided inside the larger end of the step blind hole. The locking block is elastically connected to the counterweight block through the second rubber ring. The locking block includes two semicircular clamping plates. A locking hole cooperating with the rope is formed between the two clamping plates. The rope is clamped by two plates.

[0010] In the aforementioned construction elevator model, a vertical through groove is provided at the outer end of the cantilever, and a pressure plate for pressing the rope in the through groove is provided at the outer end of the cantilever, and the pressure plate is connected to the cantilever screw.

[0011] In the aforementioned construction elevator model, an exhaust hole is provided between the step blind hole and the mounting hole.

[0012] In the aforementioned construction elevator model, at least two right-angled triangular support plates are provided between the bottom plate and the wall plate.

[0013] In the aforementioned construction elevator model, the model also includes a measuring plate attached to one side of the column, on which a plurality of cross coordinate systems are arranged, the plurality of cross coordinate systems are distributed along the length of the measuring plate, the origins of the plurality of cross coordinate systems are respectively located at the light spots of the plurality of laser pens, and the Y axes of the plurality of cross coordinate systems are collinear.

[0014] The method of using the aforementioned construction hoist model is to remove the cage, drive motor and counterweight assembly from the column before assessing the students, split the column into multiple independent standard sections, remove the wall bracket from the standard section, adjust the nuts on the screw rod so that multiple nuts are at different heights, the reference plate is not in a horizontal state, and remove the measuring plate;

[0015] When assessing students, adjust the nuts to make the reference plate level, assemble the standard sections into columns one by one on the reference plate, assemble the standard sections of corresponding heights, assemble the corresponding wall brackets to the wall panels, and after the column assembly and the fixing of the column to the wall panels are completed, assemble the cage, drive machine and counterweight assembly to the column;

[0016] After students complete the assembly of the model, they place the measuring board on the reference board and place it against one side of the column. The measuring board is located below the laser pen, and one end of the reference board is aligned with the side wall of the column away from the wall panel. All laser pens are turned on until the laser pens are still. The coordinates of the laser pen light spot on the corresponding cross coordinate system are measured on the reference board, and the student's assessment score is obtained based on multiple coordinates.

[0017] Compared with the prior art, the present invention sets a laser pen on each standard section. Through structural improvements, it is ensured that the laser pen emits light vertically downward, reducing measurement errors. When the model is assembled in a standard manner, the position of the light spot (the origin of the coordinate system on the measuring board) is marked first. After the model is reassembled by the student, the offset of each standard section can be known according to the offset of each light spot, thereby improving the speed of assessment. Therefore, the present invention has the advantage of improving the speed of student assessment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view schematic diagram of the present invention.

[0019] Figure 2 It is a top view schematic diagram of the present invention.

[0020] Figure 3 It is a schematic diagram of the connection between the cantilever and the laser pointer.

[0021] Figure 4 Schematic diagram of the top view of the locking block.

[0022] Figure 5 It is a top view of the outer end of the cantilever.

[0023] Figure 6 is a top view of the measurement board.

[0024] The marks in the accompanying drawings are: 1-standard section, 2-wall bracket, 3-wall panel, 4-bottom plate, 5-reference plate, 6-screw, 7-nut, 8-laser pen, 9-cantilever, 10-rope, 11-counterweight, 12-mounting hole, 13-first rubber ring, 14-step blind hole, 15-second rubber ring, 16-locking block, 17-through groove, 18-pressure plate, 19-exhaust hole, 20-support plate, 21-measuring plate, 22-cross coordinate system. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0026] Example 1. Construction elevator model, such as Figure 1 As shown, the model includes a column, which is composed of ten standard sections 1 connected by screws, a cage (omitted in the figure) is slidably connected to the column, a driving mechanism of the cage (omitted in the figure) is provided on the column, a counterweight assembly of the cage (omitted in the figure) is provided on the column, and a plurality of wall-mounted frames 2 are provided on the column, and the wall-mounted frames 2 are screwed to the corresponding standard sections 1, and the features are as follows:

[0027] A wall panel 3 connected to a wall frame 2 by screws is provided on one side of the column. The wall panel 3 is a wooden board and is vertically arranged. A bottom plate 4 passing through the lower side of the column is provided at the bottom of the wall panel 3. The bottom plate 4 is horizontally arranged. A reference plate 5 supporting the column is provided above the bottom plate 4. The reference plate 5 is horizontally arranged. Four screws 6 passing through the reference plate 5 are provided on the bottom plate 4. A nut 7 located at the bottom of the reference plate 5 is provided on the screw 6. A laser pen 8 emitting light downward is provided on the left side of the standard section 1. The laser pen 8 is cylindrical. The light emitting light of the laser pen 8 is located on the axis of the laser pen 8. Multiple laser pens 8 form multiple light spots on the reference plate 5. The multiple light spots are located on the same straight line vertical to the wall panel 3. The multiple light spots are equidistantly distributed on the straight line.

[0028] A cantilever 9 is provided above the laser pen 8 , the inner end of the cantilever 9 is fixed to the corresponding standard section 1 , the outer end of the cantilever 9 is connected to the upper end of the laser pen 8 , and the cantilever 9 is connected to the laser pen 8 via a rope 10 .

[0029] A cylindrical counterweight 11 is provided at the lower end of the rope 10 . The counterweight 11 is made of stainless steel. The connection between the rope 10 and the counterweight 11 is located on the axis of the counterweight 11 . The counterweight 11 is coaxial with the laser pen 8 .

[0030] The lower end of the counterweight block 11 is provided with a mounting hole 12 for the laser pen 8, and three first rubber rings 13 are embedded on the circumference of the mounting hole 12. The counterweight block 11 is elastically connected to the laser pen 8 through the first rubber rings 13;

[0031] The upper end of the counterweight 11 is provided with a step blind hole 14 which is larger at the upper end and smaller at the lower end. A second rubber ring 15 is embedded on the circumference of the large end of the step blind hole 14. A locking block 16 of the rope 10 is arranged inside the large end of the step blind hole 14. The locking block 16 is elastically connected to the counterweight 11 through the second rubber ring 15. A part of the second rubber ring 15 is embedded in the outer circumference of the locking block 16. The locking block 16 includes two semicircular clamping plates, and a locking hole is formed between the two clamping plates to match the rope 10. The elastic force of the second rubber ring 15 closes the two clamping plates, so that the rope 10 is clamped by the two clamping plates. The second rubber ring 15 also establishes a connection between the counterweight and the locking block 16. The lower end of the rope 10 is located in the small hole of the step blind hole 14.

[0032] The outer side end of the cantilever 9 is provided with a vertical through groove 17 , and the outer side end of the cantilever 9 is provided with a pressing plate 18 for pressing the rope 10 in the through groove 17 , and the pressing plate 18 is screwed to the cantilever 9 .

[0033] The rope 10 is clamped and fixed as a whole without being bent, which can well ensure that the light emitting direction of the laser pen 8 is vertically downward.

[0034] An exhaust hole 19 is provided between the step blind hole 14 and the mounting hole 12. The exhaust hole 19 allows the laser pen 8 to be inserted into the mounting hole 12 more easily.

[0035] Two right-angled triangular support plates 20 are arranged between the bottom plate 4 and the wall plate 3 , and the support plates 20 and the wall plate 3 are connected with screws.

[0036] The model also includes a measuring plate 21 attached to the left side of the column. The length of the measuring plate 21 is the same as the width of the standard section 1 (i.e., the dimension of the standard section 1 in the direction perpendicular to the wall panel 3). Ten cross coordinate systems 22 are arranged on the measuring plate 21. The ten cross coordinate systems 22 are distributed along the length of the measuring plate 21. The origins of the ten cross coordinate systems 22 are respectively located at the light spots of the ten laser pens 8. The Y axes of the ten cross coordinate systems 22 are collinear. The cross coordinate systems 22 are marked on the measuring plate 21 by etching, and there are scales on both the X and Y axes.

[0037] The model described above is in the best assembly state, that is, the columns are vertical and have good straightness. At this time, the light spots formed by the light emitted by the ten laser pens 8 on the measuring board 21 are respectively at the origin positions of the ten cross coordinate systems 22.

[0038] Instructions for use: Before assessing students, remove the cage, drive motor and counterweight assembly from the column, split the column into multiple independent standard sections 1, remove the wall bracket 2 from the standard section 1, adjust the nut 7 on the screw rod 6 so that the multiple nuts 7 are at different heights and the reference plate 5 is not horizontal, remove the measuring plate 21, reinstall the wall panel 3 to change the height and horizontal position of the wall panel 3, and avoid the screw holes left on the original wall panel 3 being referenced by students during installation; the model is completely decomposed.

[0039] When assessing students, they adjust the nut 7 to make the reference plate 5 horizontal, assemble the standard sections 1 into columns one by one on the reference plate 5, and when assembling the standard sections 1 of corresponding heights, assemble the corresponding wall brackets 2 to connect to the wall panels 3, until the column assembly and the fixing of the column on the wall panels 3 are completed, and then assemble the cage, drive motor and counterweight assembly to the column; the model is reassembled.

[0040] After the students complete the assembly of the model, the teacher will conduct an assessment and score them. The measuring board 21 is placed on the reference board 5 and against the left side of the column. The two ends of the measuring board 21 in the long direction are aligned with the two side walls of the column parallel to the wall panel 3. The measuring board 21 is located below the laser pen 8. All laser pens 8 are turned on until the laser pens 8 are stationary. The coordinates of the laser pen 8 light spot on the reference board 5 on the corresponding cross coordinate system 22 are measured and recorded. The offset of the corresponding standard section 1 can be obtained based on the single coordinate. For example, if the coordinates of the standard section are (2, 4), it means that the standard section is offset by 2 mm to the right in X and 4 mm to the side of the wall panel 3.

[0041] Furthermore, the straightness and verticality of the column can be calculated based on all the coordinates. This calculation can be completed during the next student assessment period without affecting the progress of the assessment, thus providing a better basis for assessment scoring.

[0042] Embodiment 2: Based on Embodiment 1, the wall panel 3 is made of steel plate, a magnet is arranged between the wall mounting frame 2 and the wall panel 3, and a bracket connected to the wall mounting frame 2 with screws is arranged on the magnet.

[0043] Before assessing students, there is no need to disassemble the wall panel 3 again. Students only need to move the magnets along the wall panel 3 to disrupt them, so that they lose their original reference. Students need to move the magnets to the correct position again to assemble the columns better.

[0044] In the description of the embodiments, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation.

Claims

1. A construction elevator model, comprising a column, the column being composed of a plurality of standard sections (1) connected by screws, a cage being slidably connected to the column, a driving mechanism of the cage being provided on the column, a counterweight assembly of the cage being provided on the column, and a plurality of wall mounting brackets (2) being provided on the column, characterized in that: A wall panel (3) connected to the wall frame (2) is provided on one side of the column, the wall panel (3) is arranged vertically, a bottom plate (4) passing through the lower side of the column is provided at the bottom of the wall panel (3), the bottom plate (4) is arranged horizontally, a reference plate (5) supporting the column is provided above the bottom plate (4), the reference plate (5) is arranged horizontally, at least three screw rods (6) passing through the reference plate (5) are provided on the bottom plate (4), and a nut (7) located at the bottom of the reference plate (5) is provided on the screw rods (6); a laser pen (8) emitting light downward is provided on one side of the standard section (1).

2. The construction elevator model according to claim 1, characterized in that: A cantilever (9) is provided above the laser pen (8), the inner end of the cantilever (9) is fixed to the corresponding standard section (1), the outer end of the cantilever (9) is connected to the upper end of the laser pen (8), and the cantilever (9) is connected to the laser pen (8) via a rope (10).

3. The construction elevator model according to claim 2, characterized in that: A rotating body-shaped counterweight (11) is provided at the lower end of the rope (10); the connection between the rope (10) and the counterweight (11) is located on the axis of the counterweight (11); and the counterweight (11) is coaxial with the laser pen (8).

4. The construction elevator model according to claim 3, characterized in that: A mounting hole (12) for the laser pen (8) is provided at the lower end of the counterweight block (11), at least two first rubber rings (13) are embedded on the circumference of the mounting hole (12), and the counterweight block (11) is elastically connected to the laser pen (8) via the first rubber rings (13); The upper end of the counterweight (11) is provided with a step blind hole (14) which is larger at the top and smaller at the bottom. A second rubber ring (15) is embedded on the circumference of the larger end of the step blind hole (14). A locking block (16) for the rope (10) is provided inside the larger end of the step blind hole (14). The locking block (16) is elastically connected to the counterweight (11) via the second rubber ring (15). The locking block (16) comprises two semicircular clamping plates. A locking hole which matches the rope (10) is formed between the two clamping plates. The rope (10) is clamped by two plates.

5. The construction elevator model according to claim 4, characterized in that: The outer end of the cantilever (9) is provided with a vertical through groove (17), and the outer end of the cantilever (9) is provided with a pressing plate (18) for pressing the rope (10) in the through groove (17), and the pressing plate (18) is screw-connected to the cantilever (9).

6. The construction elevator model according to claim 4, characterized in that: An exhaust hole (19) is provided between the step blind hole (14) and the mounting hole (12).

7. The construction elevator model according to claim 1, characterized in that: At least two right-angled triangular support plates (20) are provided between the bottom plate (4) and the wall plate (3).

8. The construction elevator model according to claim 1, characterized in that: The model also includes a measuring plate (21) attached to one side of the column, a plurality of cross coordinate systems (22) are provided on the measuring plate (21), the plurality of cross coordinate systems (22) are distributed along the length of the measuring plate (21), the origins of the plurality of cross coordinate systems (22) are respectively located at the light spots of the plurality of laser pens (8), and the Y axes of the plurality of cross coordinate systems (22) are collinear.

9. The method for using the construction elevator model according to any one of claims 1 to 8, characterized in that: Before assessing the students, the cage, the driving machine and the counterweight assembly are removed from the column, the column is split into a plurality of independent standard sections (1), the wall bracket (2) is removed from the standard section (1), the nut (7) on the screw rod (6) is adjusted so that the plurality of nuts (7) are at different heights and the reference plate (5) is in a non-horizontal state, and the measuring plate (21) is removed; When assessing students, the reference plate (5) is leveled by adjusting the nut (7), and the standard sections (1) are assembled into columns one by one on the reference plate (5). When assembling the standard sections (1) of corresponding height, the corresponding wall brackets (2) are assembled and connected to the wall plate (3), and after the column assembly and the column fixing on the wall plate (3) are completed, the cage, the driving machine and the counterweight assembly are assembled on the column; After the student completes the assembly of the model, the measuring plate (21) is placed on the reference plate (5) and abutted against one side of the column. The measuring plate (21) is located below the laser pen (8), and one end of the reference plate (5) is aligned with the side wall of the column away from the wall plate (3). All laser pens (8) are turned on until the laser pens (8) are stationary. The coordinates of the light spots of the laser pens (8) on the corresponding cross coordinate system (22) are measured on the reference plate (5), and the student's assessment results are obtained based on the multiple coordinates.

Images