Construction herringbone ladder facilitating object taking

Abstract

The construction herringbone ladder comprises a first ladder plate and a second ladder plate, the second ladder plate is arranged in the first ladder plate, a rotating rod is arranged between the second ladder plate and the first ladder plate, and the surface of the rotating rod is rotationally connected with the second ladder plate and the first ladder plate through bearings. Mounting frames are fixedly connected to the two sides of the front side of the first ladder plate. The herringbone ladder disclosed by the utility model relates to the technical field of herringbone ladders. According to the construction herringbone ladder facilitating object taking, the bearing plate capable of being driven in a rising mode and unfolded in a balanced mode is arranged on the front side of the first ladder plate, so that the device can conveniently transfer objects to the high position through the bearing plate, and the effect of facilitating construction is achieved; the bearing plate is easy to fold and store, and the situation that when the bearing plate does not transfer objects, people use the device is hindered is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of herringbone ladders, in particular to a construction herringbone ladder which is convenient for taking objects. Background Art

[0002] The herringbone ladder, also known as a folding ladder, is a type of climbing tool used to work in the space above a plane. When it is used, the front and rear ladder rods and the ground form an isosceles triangle, which looks like a herringbone, so it is figuratively called a "herringbone ladder". The herringbone ladder can be easy to carry and use by folding and unfolding at an angle, but it is inevitable that there are also shortcomings in its actual use. For example, the device lacks a transmission mechanism, which leads to the problem of inconvenience in transferring items between climbers and ground personnel during the use of the higher herringbone ladder. In order to avoid such problems, a construction herringbone ladder that is convenient for taking objects is proposed to solve the existing problems. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a construction stepladder that is convenient for taking objects, and solves the problem that the device lacks a transfer mechanism, resulting in inconvenience in transferring objects between climbers and people on the ground during use of the higher stepladder.

[0004] To achieve the above purpose, the utility model is implemented by the following technical solutions: a construction stepladder for conveniently taking objects, comprising a first step plate and a second step plate, the second step plate being arranged inside the first step plate, a rotating rod being arranged between the second step plate and the first step plate, and the surface of the rotating rod being rotatably connected to the second step plate and the first step plate through a bearing, both sides of the front side of the first step plate are fixedly connected with a mounting frame, a servo motor is fixedly connected to the bottom of the mounting frame on the left side through a bracket, a threaded rod is fixedly connected to the output shaft of the servo motor through a coupling, and one end of the threaded rod extends to the inside of the left mounting frame and is rotatably connected to the top of the inner cavity of the left mounting frame, a threaded sleeve is threadedly connected to the surface of the threaded rod, a sliding sleeve is slidably arranged inside the mounting frame on the right side, the threaded sleeve and the opposite side of the sliding sleeve are both rotatably connected to a rotating shaft through a bearing, a receiving plate is fixedly connected between the two rotating shafts, a collar is fixedly connected to the inner wall of the collar, and a first main baffle is fixedly connected to the top of the rotating shaft.

[0005] Preferably, positioning pins are slidably provided on both sides of the front side of the receiving plate, and positioning grooves matched with the positioning pins are provided on the opposite sides of the threaded sleeve and the sliding sleeve.

[0006] Preferably, guide slots are provided on both sides of the front side of the receiving plate, and a return spring is fixedly connected between the inner wall of the guide slot and the positioning pin.

[0007] Preferably, second main baffles are fixedly connected to both sides of the inner cavity of the first ladder plate, and second auxiliary baffles used in conjunction with the second main baffles are fixedly connected to both sides of the second ladder plate.

[0008] Preferably, a sliding rod slidably matched with the sliding sleeve is fixedly connected between the top and bottom of the inner cavity of the installation frame on the right side.

[0009] Beneficial Effects

[0010] The utility model provides a construction stepladder that is convenient for taking objects. Compared with the existing technology, the utility model has the following beneficial effects: the utility model arranges a receiving plate that can be driven to rise and unfolded in a balanced manner on the front side of the first ladder board, so that the device can easily transfer objects to a high place through it, thereby achieving the effect of facilitating construction; secondly, positioning pins and positioning grooves are arranged between the threaded sleeve, the sliding sleeve, the rotating shaft and the receiving plate, so that the receiving plate is easy to fold and retract, so as to avoid hindering people from using the device when it is not transferring objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0012] Figure 2 It is a side view of the first ladder plate structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the second main baffle and the second auxiliary baffle structure of the utility model;

[0014] Figure 4 It is a cross-sectional view of the installation frame structure of the utility model;

[0015] Figure 5 It is a schematic diagram of the first main baffle and the first auxiliary baffle structure of the utility model.

[0016] In the figure: 1, first ladder plate; 2, second ladder plate; 3, rotating rod; 4, mounting frame; 5, servo motor; 6, threaded rod; 7, threaded sleeve; 8, sliding sleeve; 9, rotating shaft; 10, supporting plate; 11, collar; 12, first main baffle; 13, first auxiliary baffle; 14, positioning pin; 15, positioning groove; 16, guide slide groove; 17, return spring; 18, second main baffle; 19, second auxiliary baffle; 20, sliding rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0018] See also Figure 1-5 The utility model provides a technical solution: a construction stepladder for conveniently taking objects, comprising a first step plate 1 and a second step plate 2, the second step plate 2 being arranged inside the first step plate 1, a rotating rod 3 being arranged between the second step plate 2 and the first step plate 1, and the surface of the rotating rod 3 being rotatably connected to the second step plate 2 and the first step plate 1 through a bearing, second main baffles 18 being fixedly connected to both sides of the inner cavity of the first step plate 1, and second auxiliary baffles 19 being fixedly connected to both sides of the second step plate 2 for use in conjunction with the second main baffles 18.

[0019] Furthermore, to facilitate the balanced transfer of items, both sides of the front side of the first ladder plate 1 are fixedly connected to the mounting frame 4, the bottom of the left mounting frame 4 is fixedly connected to the servo motor 5 through a bracket, the output shaft of the servo motor 5 is fixedly connected to the threaded rod 6 through a coupling, and one end of the threaded rod 6 extends to the interior of the left mounting frame 4 and is rotatably connected to the top of the inner cavity of the left mounting frame 4, the surface of the threaded rod 6 is threadedly connected to a threaded sleeve 7, a sliding sleeve 8 is slidably provided inside the right mounting frame 4, the threaded sleeve 7 and the sliding sleeve 8 are rotatably connected to a rotating shaft 9 through a bearing, a supporting plate 10 is fixedly connected between the two rotating shafts 9, the threaded sleeve 7 and the sliding sleeve 8 are fixedly connected to the opposite side of the sliding sleeve 8, the inner wall of the ring 11 is fixedly connected to a first main baffle 12, the top of the rotating shaft 9 is fixedly connected to a first auxiliary baffle 13 used in conjunction with the first main baffle 12, and a sliding rod 20 slidably adapted to the sliding sleeve 8 is fixedly connected between the top and bottom of the inner cavity of the right mounting frame 4.

[0020] Furthermore, in order to facilitate the folding and storage of the supporting plate 10, positioning pins 14 are slidably arranged on both sides of the front side of the supporting plate 10, and positioning grooves 15 used in conjunction with the positioning pins 14 are provided on the opposite sides of the threaded sleeve 7 and the sliding sleeve 8. Guide grooves 16 are provided on both sides of the front side of the supporting plate 10, and a return spring 17 is fixedly connected between the inner wall of the guide groove 16 and the positioning pin 14.

[0021] When in use, the first ladder plate 1 and the second ladder plate 2 are rotated in opposite directions, so that the second main baffle plate 18 and the second auxiliary baffle plate 19 rotate and collide with each other to form a fixed angle, and then the device is put on the ground for use;

[0022] When it is necessary to transfer items, the ground personnel will pull out the positioning pin 14 in advance, causing the positioning pin 14 to disengage from the limiting fit with the positioning slot 15, and then flip the receiving plate 10 forward. The receiving plate 10 rotates to drive the rotating shaft 9 and the first auxiliary baffle 13 to rotate until the first auxiliary baffle 13 is fixed to the first main baffle 12. When the first auxiliary baffle 13 is in contact with the first main baffle 12 and limits, the receiving plate 10 will be in a balanced unfolded state when the first ladder plate 1 is in an inclined state. Then, the item is placed on the top of the receiving plate 10, and finally the servo motor 5 is started to cause the threaded rod 6 to drive the threaded sleeve 7 and the receiving plate 10 to rise and transfer the item.

Claims

1. A construction ladder for conveniently taking objects, comprising a first ladder board (1) and a second ladder board (2), wherein the second ladder board (2) is arranged inside the first ladder board (1), characterized in that: A rotating rod (3) is arranged between the second ladder plate (2) and the first ladder plate (1), and the surface of the rotating rod (3) is rotatably connected to the second ladder plate (2) and the first ladder plate (1) through a bearing, and both sides of the front side of the first ladder plate (1) are fixedly connected to a mounting frame (4), and a servo motor (5) is fixedly connected to the bottom of the mounting frame (4) on the left side through a bracket, and the output shaft of the servo motor (5) is fixedly connected to a threaded rod (6) through a coupling, and one end of the threaded rod (6) extends to the inside of the left mounting frame (4) and is rotatably connected to the top of the inner cavity of the left mounting frame (4), and the threaded rod ( The surface of the mounting frame (6) is threadedly connected with a threaded sleeve (7), and a sliding sleeve (8) is slidably arranged inside the installation frame (4) on the right side. The threaded sleeve (7) and the sliding sleeve (8) are rotatably connected to a rotating shaft (9) on opposite sides thereof through a bearing, and a receiving plate (10) is fixedly connected between the two rotating shafts (9). The threaded sleeve (7) and the sliding sleeve (8) are fixedly connected to opposite sides thereof with a collar (11), and the inner wall of the collar (11) is fixedly connected with a first main baffle (12), and the top of the rotating shaft (9) is fixedly connected with a first auxiliary baffle (13) used in conjunction with the first main baffle (12).

2. A construction ladder for conveniently taking objects according to claim 1, characterized in that: Positioning pins (14) are slidably provided on both sides of the front side of the receiving plate (10), and positioning grooves (15) matched with the positioning pins (14) are provided on the opposite sides of the threaded sleeve (7) and the sliding sleeve (8).

3. A construction ladder for conveniently taking objects according to claim 2, characterized in that: Both sides of the front side of the receiving plate (10) are provided with guide slots (16), and a return spring (17) is fixedly connected between the inner wall of the guide slot (16) and the positioning pin (14).

4. The construction ladder for conveniently taking objects according to claim 1 is characterized by: Second main baffles (18) are fixedly connected to both sides of the inner cavity of the first ladder plate (1), and second auxiliary baffles (19) used in conjunction with the second main baffles (18) are fixedly connected to both sides of the second ladder plate (2).

5. The construction stepladder for conveniently taking objects according to claim 1 is characterized by: A sliding rod (20) slidably matched with the sliding sleeve (8) is fixedly connected between the top and bottom of the inner cavity of the installation frame (4) on the right side.

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