Pay-off device for constructional engineering

Abstract

The utility model discloses a pay-off device for constructional engineering. The pay-off device comprises a bottom plate. A sleeve is fixedly connected to the top of the bottom plate, a liftable movable rod is arranged in the sleeve, an inverted concave block is fixedly connected to the top of the movable rod, a first shell is fixedly connected to the side, away from an opening, of the inverted concave block, and a rotatable second shell is arranged in the inverted concave block; moving blocks are arranged on one side of the first shell and one side of the second shell, datum lines are fixedly connected to one sides of the two moving blocks, and the ends, away from the moving blocks, of the two datum lines are connected with the first shell and the second shell correspondingly; according to the pay-off device for constructional engineering, pay-off is conducted in two directions, a pay-off included angle can be rapidly formed, the device does not need to be moved to conduct pay-off operation again, operation is convenient, and meanwhile time is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building engineering, concretely is a pay-off device for building engineering. BACKGROUND

[0002] Construction pay-off is through the prior inspection of construction engineering positioning and setting out, and ensures that the construction engineering is safely and smoothly carried out according to the requirements of planning approval, and the construction pay-off work of building engineering construction datum line is a more key and complicated technical work, generally according to the concave-convex condition of low-lying uneven environment of construction site, a datum horizontal plane perpendicular to the surrounding is found out through placing datum line, and the datum horizontal plane is used as engineering datum plane to expand wall laying, ground paving and other basic infrastructure.

[0003] The prior art discloses a pay-off device for building engineering in the authorized announcement no.

[0004] Although the prior art can make the bottom plate be in a horizontal state by adjusting the heights of the four supporting legs, the pay-off device can only carry out pay-off in a single direction, and when pay-off in other directions is required, the device needs to be moved and pay-off is carried out again, so that the operation is relatively complicated, time is wasted and the device is inconvenient to use. UTILITY MODEL CONTENTS

[0005] To achieve the above object, the utility model provides the following technical scheme: a pay-off device for building engineering, including bottom plate, the top of bottom plate is fixedly connected with sleeve, the inside of sleeve is provided with liftable movable rod, the top of movable rod is fixedly connected with inverted concave block, the side, far away from the mouth of inverted concave block, is fixedly connected with first shell, the inside of inverted concave block is provided with rotatable second shell, one side of first shell and second shell is provided with moving block, one side of two moving blocks is fixedly connected with datum line, the end, far away from moving block of two datum lines, is connected with first shell and second shell respectively.

[0006] Preferably, the inside of the sleeve is rotatably connected with a threaded column, the surface of the threaded column is fixedly connected with a driven bevel gear, the lower part of the driven bevel gear is meshingly connected with a transmission bevel gear, one side of the transmission bevel gear is fixedly connected with a second rotating shaft, the second rotating shaft is rotatably connected to the lower part of the sleeve, and one end outside the second rotating shaft is fixedly connected with a second rotating disc.

[0007] Preferably, the bottom of the movable rod inside the sleeve is fixedly connected with a limiting disc, the inside of the movable rod is provided with a threaded cavity, and the inside cavity of the sleeve and the limiting disc are both rectangular in shape.

[0008] Preferably, the inverted concave block is internally provided with a rotatable fastening bolt, the fastening bolt is fixedly connected with a rotating block, and one side of the rotating block is fixedly connected with a second shell.

[0009] Preferably, the first shell and the second shell are internally provided with rotatable spools, one end of each spool is fixedly connected with a first rotating shaft, the two first rotating shafts are connected with the first shell and the second shell through ball bearings, and one end of each first rotating shaft located outside the first shell and the second shell is fixedly connected with a first rotating disc, and one side of the first shell and the second shell close to the moving block is provided with a magnet block.

[0010] Preferably, the first shell and the second shell are provided with through holes, and one end of the reference line passes through the through holes and is fixedly connected with the spools.

[0011] Preferably, the bottom plate is provided with lifting threaded rods at four corners, the lifting threaded rods are fixedly connected with bases at the bottom, and the top of the bottom plate is provided with a strip level.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when in use, the second shell connected with the rotating block is rotated to match the included angle with the building, the included angle formed by the two shells is quickly formed by simultaneously releasing the lines in two directions, the operation is convenient, the operation time is saved, and the device does not need to be moved for re-releasing the line after traditional single releasing, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model.

[0014] In the drawings:

[0015] Figure 1 It is a structure schematic view of the utility model building engineering line releasing device;

[0016] Figure 2 It is a structure schematic view of the utility model Figure 1 ;

[0017] Figure 3 It is a structure schematic view of the utility model Figure 1 ; Figure 1

[0018] Figure 4 It is a structure schematic view of the utility model Figure 3 ;

[0019] Figure 5 ​The utility model discloses Figure 1 Partial sectional structure schematic Figure 2 .

[0020] In the figure: 1, bottom plate, 2, sleeve, 3, movable rod, 4, inverted concave block, 5, first shell, 6, second shell, 7, moving block, 8, reference line, 9, lifting screw rod, 10, base, 11, strip level, 12, magnet block, 13, winding drum, 14, first rotating shaft, 15, first rotating disc, 16, threaded column, 17, driven bevel gear, 18, transmission bevel gear, 19, second rotating shaft, 20, second rotating disc, 21, limit disc, 22, threaded cavity, 23, fastening bolt, 24, rotating block. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Given by Figures 1 to 5 The utility model discloses a bottom plate 1, the top fixed connection of bottom plate 1 has sleeve 2, the inside of sleeve 2 is provided with liftable movable rod 3, the top fixed connection of movable rod 3 has inverted concave block 4, and inverted concave block 4 is fixedly connected with first shell 5 on the side away from the mouth, and the inside of inverted concave block 4 is provided with rotatable second shell 6, and the side of first shell 5 and second shell 6 is provided with moving block 7, and moving block 7 is made of iron material, and can be fixed after being adsorbed by magnet block 12 after laying wire, avoids that moving block 7 falls under the influence of its own weight and causes reference line 8 to be pulled out from first shell 5 and second shell 6, makes reference line 8 wear and tear and break, and the side of two moving blocks 7 is fixedly connected with reference line 8, and the end away from moving block 7 of two reference lines 8 is connected with first shell 5 and second shell 6 respectively.

[0023] The building engineering wire laying device is rotated with the second shell connected with the rotating block, is matched with the building included angle, is laid simultaneously in two directions, so that the included angle formed by the wire laying of two shells can be quickly formed, is convenient to operate, saves operation time, and does not need to move the device position and lay wire again after traditional single wire laying, and is more convenient to use.

[0024] The interior of the sleeve 2 is rotationally connected with a threaded column 16, the surface of the threaded column 16 is fixedly connected with a driven bevel gear 17, the lower part of the driven bevel gear 17 is meshingly connected with a transmission bevel gear 18, one side of the transmission bevel gear 18 is fixedly connected with a second rotating shaft 19, the second rotating shaft 19 is rotationally connected at the lower part of the sleeve 2, one end outside the second rotating shaft 19 is fixedly connected with a second rotating disc 20, so as to effectively drive the transmission bevel gear 18 to rotate and in turn drive the threaded column 16 to rotate, achieving the effect of adjusting the pay-off height.

[0025] The bottom of the movable rod 3 inside the sleeve 2 is fixedly connected with a limiting disc 21, the interior of the movable rod 3 is provided with a threaded cavity 22, the inner cavity of the sleeve 2 and the outer shape feature of the limiting disc 21 are both rectangular, so as to effectively limit the movable rod 3 through the limiting disc 21 and the inner cavity of the sleeve 2 while the movable rod 3 is lifting, avoiding the movable rod 3 from rotating together and causing the lifting failure.

[0026] The inverted recess block 4 is provided with a rotatable fastening bolt 23, the fastening bolt 23 is fixedly connected with a rotating block 24, one side of the rotating block 24 is fixedly connected with the second housing 6, so that the second housing 6 can rotate, and the angle of the pay-off after the first housing 5 and the second housing 6 is matched with the building angle, without the need of moving the device and re-paying-off as in the traditional single pay-off, making the use more convenient.

[0027] The interiors of the first housing 5 and the second housing 6 are both provided with a rotatable winding drum 13, one end of the winding drum 13 is fixedly connected with a first rotating shaft 14, both the first rotating shafts 14 are connected with the first housing 5 and the second housing 6 through ball bearings, one end of the first rotating shaft 14 outside the first housing 5 and the second housing 6 is respectively fixedly connected with a first rotating disc 15, one side of the first housing 5 and the second housing 6 close to the moving block 7 is provided with a magnet block 12; both the first housing 5 and the second housing 6 are provided with through holes, one end of the reference line 8 passes through the through holes and is fixedly connected with the winding drum 13, after the pay-off is completed, the reference line 8 is wound to avoid the abrasion caused by the contact with the outside.

[0028] The four corners of the bottom plate 1 are provided with lifting threaded rods 9, the bottom of the lifting threaded rods 9 is fixedly connected with a base 10, the top of the bottom plate 1 is provided with a strip level 11, so as to effectively guarantee the levelness of the bottom plate 1.

[0029] Working principle: when working, rotate the second shell 6 connected with the rotating block 24, adjust the angle of the second shell 6, make the angle between the first shell 5 and the second shell 6 match the building angle, then tighten the nut, make the position of the fastening bolt 23 fixed and unable to rotate, then place the device on the ground, then check the strip level 11, confirm whether the bottom plate 1 is horizontal, if not, rotate the four lifting threaded rods 9 respectively, make the bottom plate 1 horizontal, then rotate the second rotating disc 20, the second rotating disc 20 drives the transmission helical gear 18 to rotate through the second rotating shaft 19, the transmission helical gear 18 drives the driven helical gear 17 to rotate, in turn makes the threaded column 16 rotate and drives the movable rod 3 to lift, because the limiting disc 21 and the inner cavity of the sleeve 2 are both rectangular, play a limiting role, can make the movable rod 3 lift, achieve the effect of adjusting the height of the line, then the staff moves the two moving blocks 7 to release the line, when the line is released, the user rotates the first rotating disc 15, the first rotating disc 15 drives the winding drum 13 to rotate through the first rotating shaft 14, winds the reference line 8, at the same time, because the moving block 7 is made of iron material, can be attracted and fixed by the magnet block 12, effectively avoid the moving block 7 cannot keep the position fixed, under the influence of its own weight, fall and pull the reference line 8 out of the first shell 5 and the second shell 6, cause the reference line 8 to wear and break.

Claims

1. A pay-off device for construction work, comprising a base plate (1), characterised in that: The top of the bottom plate (1) is fixedly connected with a sleeve (2), the inside of the sleeve (2) is provided with a liftable movable rod (3), the top of the movable rod (3) is fixedly connected with a concave-convex block (4), the side, away from the opening, of the concave-convex block (4) is fixedly connected with a first shell (5), the inside of the concave-convex block (4) is provided with a rotatable second shell (6), one side of the first shell (5) and the second shell (6) is provided with a moving block (7), one side of the two moving blocks (7) is fixedly connected with a reference line (8), and the ends, away from the moving blocks (7), of the two reference lines (8) are connected with the first shell (5) and the second shell (6) respectively.

2. A line paying out device for construction work according to claim 1, characterized in that: The inside of the sleeve (2) is rotatably connected with a threaded column (16), the surface of the threaded column (16) is fixedly connected with a driven bevel gear (17), the lower part of the driven bevel gear (17) is meshingly connected with a transmission bevel gear (18), one side of the transmission bevel gear (18) is fixedly connected with a second rotating shaft (19), the second rotating shaft (19) is rotatably connected to the lower part of the sleeve (2), and one end, outside the second rotating shaft (19), is fixedly connected with a second rotating disc (20).

3. A line paying out device for construction work according to claim 1, characterized in that: The bottom of the movable rod (3) is fixedly connected with a limiting disc (21) inside the sleeve (2), the inside of the movable rod (3) is provided with a threaded cavity (22), and the inner cavity of the sleeve (2) and the outer shape feature of the limiting disc (21) are both rectangular.

4. A line paying out device for construction work according to claim 1, characterized in that: The inside of the concave-convex block (4) is provided with a rotatable fastening bolt (23), the fastening bolt (23) is fixedly connected with a rotating block (24), and one side of the rotating block (24) is fixedly connected with the second shell (6).

5. A line paying out device for construction work according to claim 1, characterized in that: The insides of the first shell (5) and the second shell (6) are both provided with a rotatable winding drum (13), one end of the winding drum (13) is fixedly connected with a first rotating shaft (14), the two first rotating shafts (14) are both connected with the first shell (5) and the second shell (6) through ball bearings, and the ends, outside the first shell (5) and the second shell (6), of the first rotating shaft (14) are respectively fixedly connected with a first rotating disc (15). One side of the first shell (5) and the second shell (6) is provided with a magnet block (12).

6. A line paying out device for construction work according to claim 5, characterized in that: The first shell (5) and the second shell (6) are both provided with a through hole, one end of the reference line (8) passes through the through hole and is fixedly connected with the winding drum (13).

7. A line paying out device for construction work according to claim 1, characterized in that: The four corners of the bottom plate (1) are all provided with lifting threaded rods (9), the bottom of the lifting threaded rod (9) is fixedly connected with a base (10), and the top of the bottom plate (1) is provided with a strip type level (11).

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