Scaffold for constructional engineering

Abstract

The scaffold comprises a lifting platform, lifting guardrails are connected into the front portion and the rear portion of the lifting platform in a sliding mode, a plurality of sets of height holes are formed in the two sides and the middle of each lifting guardrail, and six sets of sliding grooves right opposite to the height holes are formed in the middle of the lifting platform and the front portions and the rear portions of the two sides of the lifting platform. Locking rods matched with the height holes are slidably connected to the interiors of the sliding grooves, the locking rods are slidably connected to the interiors of the lifting tables, sliding pieces are fixedly connected to one sides of the locking rods, springs are fixedly connected between the sliding pieces and the inner walls of the sliding grooves, and the outer sides of the locking rods are sleeved with the springs; the upper portion of the lifting table is provided with a communicating groove communicating with the sliding groove, the upper portion of the sliding piece is fixedly connected with a moving piece, the moving piece is slidably connected into the communicating groove, and the left side and the right side of the lifting table are fixedly connected with fixed guardrails, so that the heights of the guardrails on the two sides of the upper portion of the scaffold can be adjusted, and the safety of personnel is guaranteed; operation on the upper portion of the scaffold is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, specifically is a scaffold for building engineering. BACKGROUND

[0002] The scaffold mainly provides a high working surface for the operation of high-position operating personnel, the stacking of materials and short-distance horizontal transportation. The erection quality has a direct relationship and influence on the personal safety of operating personnel, operation progress and working quality.

[0003] The guardrail at the upper part of the scaffold is designed to have a fixed height, which ensures the safety of construction personnel to a certain extent. However, the fixed height design means that the height of the guardrail cannot be adjusted according to actual needs. This may result in the height of the guardrail being too high or too low in some cases, thereby affecting the operating efficiency and comfort of the construction personnel. SUMMARY

[0004] The utility model aims at providing a scaffold for building engineering to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a scaffold for building engineering, comprising a lifting platform, a lifting guardrail is slidably connected inside the lifting platform, a plurality of groups of height holes are formed in the two sides and the middle part of the lifting guardrail, six groups of sliding grooves corresponding to the height holes are formed in the middle part and the two sides of the lifting platform, a locking rod matched with the height holes is slidably connected inside the sliding groove, the locking rod is slidably connected inside the lifting platform, a sliding piece is fixedly connected to one side of the locking rod, a spring is fixedly connected between the sliding piece and the inner wall of the sliding groove, the spring is sleeved outside the locking rod, a communication groove is formed in the upper part of the lifting platform and communicates with the sliding groove, a moving piece is fixedly connected to the upper part of the sliding piece, the moving piece is slidably connected inside the communication groove, and a fixed guardrail is fixedly connected to the left and right sides of the lifting platform.

[0006] Preferably, eight groups of first mounting pieces are fixedly connected to the left and right sides and the front and back of the lifting platform, and a baffle is rotatably connected between the first mounting pieces of the adjacent two groups.

[0007] Preferably, a first threaded rod is rotatably connected to the middle part of the lifting platform, a connecting frame is threadedly connected to the outer side of the first threaded rod, a bottom plate is fixedly connected to the lower part of the connecting frame, and rotating handles are fixedly connected to the upper and lower ends of the first threaded rod.

[0008] Preferably, a receiving groove is formed in the middle part of the lifting platform, and the rotating handles are rotatably connected inside the receiving groove.

[0009] Preferably, the lower part of the lifting platform is fixedly connected with two groups of second threaded rods, the second threaded rods are slidingly connected to the inside of the connecting frame, and support nuts are threadedly connected to the upper part of the outer side of the second threaded rods.

[0010] Preferably, the front side of the lifting platform and the bottom plate is fixedly connected with four groups of second mounting plates, the inside of the lifting frame is fixedly connected between the upper two sides of the second mounting plates, the lower part of the lifting frame is slidingly connected with a fixing frame, the fixing frame is fixedly connected between the lower second mounting plates, and a plurality of groups of connecting rods are fixedly connected between the inside of the lifting frame.

[0011] Preferably, the lower part of the bottom plate is fixedly connected with four groups of universal wheels.

[0012] Compared with the prior art, the lifting platform has the beneficial effects that:

[0013] 1. The locking rod is separated from the height hole by pushing the moving piece with the foot, the height of the guardrail on the upper two sides of the scaffold can be adjusted, the personnel safety is ensured, and the work on the upper part of the scaffold is more convenient.

[0014] 2. The height of the lifting platform can be adjusted up and down by rotating the rotating handle, the first threaded rod drives the lifting platform to move up and down, the support nut is tightly attached to the upper part of the connecting frame by rotating the support nut, the first threaded rod is prevented from falling off to cause the lifting platform to sharply drop, the height of the scaffold can be adjusted, and the stability after the height adjustment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a first perspective three-dimensional structure schematic view of the utility model;

[0016] Fig. 2 It is a second perspective three-dimensional structure sectional view of the utility model;

[0017] Fig. 3 It is a third perspective sliding groove structure sectional view of the utility model.

[0018] In the drawing: 1, lifting platform; 2, lifting guardrail; 3, height hole; 4, sliding groove; 5, sliding piece; 6, locking rod; 7, spring; 8, communication groove; 9, moving piece; 10, first mounting plate; 11, baffle; 12, fixed guardrail; 13, first threaded rod; 14, rotating handle; 15, connecting frame; 16, bottom plate; 17, containing groove; 18, second threaded rod; 19, support nut; 20, universal wheel; 21, second mounting plate; 22, lifting frame; 23, fixing frame; 24, connecting rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0020] Please refer to Figs. 1-3 The present application provides a technical solution: a scaffold for construction engineering, comprising a lifting platform 1, a lifting guardrail 2 is slidably installed inside the lifting platform 1, a plurality of groups of height holes 3 are formed on the two sides and the middle of the lifting guardrail 2, six groups of sliding grooves 4 corresponding to the height holes 3 are formed in the middle and on both sides of the lifting platform 1, a locking rod 6 matched with the height holes 3 is slidably installed inside the sliding groove 4, the locking rod 6 is slidably installed inside the lifting platform 1, so that the locking rod 6 can penetrate the inside of the lifting platform 1, the locking rod 6 is inserted into the height hole 3 inside the lifting guardrail 2 from the sliding groove 4, a sliding piece 5 is fixedly welded on one side of the locking rod 6, a spring 7 is fixedly welded between the sliding piece 5 and the inner wall of the sliding groove 4, the spring 7 is sleeved on the outside of the locking rod 6, a communication groove 8 communicating with the sliding groove 4 is formed in the upper part of the lifting platform 1, a moving piece 9 is fixedly welded on the upper part of the sliding piece 5, the moving piece 9 is slidably installed inside the communication groove 8, the locking rod 6 is separated from the height hole 3 by pushing the moving piece 9 with the foot, the lifting guardrail 2 is moved up and down, when the lifting guardrail 2 is moved to the appropriate height, the moving piece 9 is loosened, the spring 7 pulls the sliding piece 5, so that the locking rod 6 is inserted into the height hole 3, and the locking of the lifting guardrail 2 is realized, and a fixed guardrail 12 is fixedly welded on both sides of the lifting platform 1.

[0021] The eight groups of first mounting pieces 10 are fixedly welded on the left and right front and back of the lifting platform 1, the baffle 11 is rotatably installed between the adjacent two groups of first mounting pieces 10, the locking rods 6 on the two sides are separated from the height holes 3, the baffle 11 is used to abut against one side of the moving piece 9, the locking rods 6 on the left and right sides are prevented from entering the height holes 3, the height adjustment of the lifting guardrail 2 can be realized only by operating the middle moving piece 9, after the height adjustment of the lifting guardrail 2 is completed, the locking rods 6 on the two sides are inserted into the height holes 3, and then the baffle 11 is used to abut against the other side of the moving piece 9, so that the moving piece 9 is prevented from being impacted by the outside world and causing the locking rods 6 to separate from the height holes 3; the first threaded rod 13 is rotatably connected in the middle of the lifting platform 1, the connecting frame 15 is threadedly connected to the outer side of the first threaded rod 13, the bottom plate 16 is fixedly welded on the lower part of the connecting frame 15, the rotating handle 14 is fixedly welded on the upper and lower ends of the first threaded rod 13, the first threaded rod 13 drives the lifting platform 1 to move up and down by rotating the rotating handle 14 on the upper side, so that the height of the lifting platform 1 can be adjusted up and down; the accommodating groove 17 is formed in the middle of the lifting platform 1, the rotating handle 14 on the upper side is rotatably installed in the accommodating groove 17, and the rotating handle 14 is prevented from protruding outward and affecting the workers; the two groups of second threaded rods 18 are fixedly welded on the lower part of the lifting platform 1, the second threaded rods 18 are slidably installed in the connecting frame 15, and the support nuts 19 are threadedly installed on the outer side of the upper part of the second threaded rods 18; when the lifting platform 1 moves up and down, the second threaded rods 18 move up and down along the connecting frame 15, the support nuts 19 are tightly attached to the upper part of the connecting frame 15 by rotating the support nuts 19, and the first threaded rod 13 is prevented from falling off and causing the lifting platform 1 to sharply drop; the four groups of second mounting pieces 21 are fixedly welded on one side of the front part of the lifting platform 1 and the bottom plate 16, the lifting frame 22 is fixedly welded between the upper two groups of second mounting pieces 21, the fixed frame 23 is slidably installed on the outer side of the lower part of the lifting frame 22, the fixed frame 23 is fixedly welded between the lower two groups of second mounting pieces 21, the plurality of groups of connecting rods 24 are fixedly welded between the lifting frame 22, when the lifting platform 1 moves up and down, the lifting frame 22 moves up and down along the fixed frame 23, and the workers can hold and step on the connecting rods 24 to rise to the lifting platform 1; the four groups of universal wheels 20 are threadedly installed on the lower part of the bottom plate 16.

[0022] Working principle: the utility model discloses in use, use the baffle 11 and resist one side of both sides moving piece 9, prevent the locking lever 6 of left and right sides to enter height hole 3, through with foot push moving piece 9, make locking lever 6 disengage height hole 3, up and down moving lift guardrail 2, when lift guardrail 2 moves to the appropriate height, loosen moving piece 9, spring 7 passes through pull slide 5, make locking lever 6 insert into height hole 3, realize the locking of lift guardrail 2, after two sides locking lever 6 insert into height hole 3, again with baffle 11 rotation and resist the other side of moving piece 9, prevent moving piece 9 from outside impact, cause locking lever 6 to disengage height hole 3, through up and down side rotation handle 14, first threaded rod 13 drive lift platform 1 up and down movement, thereby can up and down the height of lift platform 1 can be adjusted, through the rotation support nut 19, make support nut 19 closely connect frame 15 upper portion, prevent first threaded rod 13 place and fall off and cause lift platform 1 sharp drop.

[0023] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that are not specifically enumerated herein. Thus, for example, any statements regarding the preferred embodiment or the preferred implementation are intended to be illustrative only and are not meant in a restrictive sense. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that are not specifically enumerated herein. Thus, for example, any statements regarding the preferred embodiment or the preferred implementation are intended to be illustrative only and are not meant in a restrictive sense.

[0024] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.

Claims

1. A type of scaffolding for construction projects, comprising a lifting platform (1), characterized in that: The lifting platform (1) is slidably connected to the front and rear interior of the lifting guardrail (2). Several sets of height holes (3) are opened on both sides and in the middle of the lifting guardrail (2). Six sets of sliding grooves (4) are opened in the middle and on both sides of the lifting platform (1) facing the height holes (3). A locking rod (6) that matches the height hole (3) is slidably connected inside the sliding groove (4). The locking rod (6) is slidably connected inside the lifting platform (1). A sliding piece (5) is fixedly connected to one side of the locking rod (6). A spring (7) is fixedly connected between the sliding piece (5) and the inner wall of the sliding groove (4). The spring (7) is sleeved on the outside of the locking rod (6). A connecting groove (8) communicating with the sliding groove (4) is opened on the upper part of the lifting platform (1). A moving piece (9) is fixedly connected to the upper part of the sliding piece (5). The moving piece (9) is slidably connected inside the connecting groove (8). Fixed guardrails (12) are fixedly connected to the left and right sides of the lifting platform (1).

2. The scaffolding for construction projects according to claim 1, characterized in that: The lifting platform (1) is fixedly connected to eight sets of first mounting plates (10) in the left, right, front and back, and a baffle (11) is rotatably connected between two adjacent sets of first mounting plates (10).

3. The scaffolding for construction projects according to claim 1, characterized in that: The lifting platform (1) is rotatably connected to a first threaded rod (13) in the middle. A connecting frame (15) is threadedly connected to the outer side of the first threaded rod (13). A base plate (16) is fixedly connected to the lower part of the connecting frame (15). Rotating handles (14) are fixedly connected to the upper and lower ends of the first threaded rod (13).

4. The scaffolding for construction projects according to claim 3, characterized in that: The lifting platform (1) has a receiving groove (17) in the middle, and the rotating handle (14) on the upper side is rotatably connected to the inside of the receiving groove (17).

5. A scaffold for construction projects according to claim 3, characterized in that: The lower part of the lifting platform (1) is fixedly connected with two sets of second threaded rods (18), the second threaded rods (18) are slidably connected inside the connecting frame (15), and the upper outer side of the second threaded rods (18) is threaded with a support nut (19).

6. The scaffolding for construction projects according to claim 3, characterized in that: Four sets of second mounting plates (21) are fixedly connected to the front side of the lifting platform (1) and the base plate (16). A lifting frame (22) is fixedly connected between the second mounting plates (21) on both sides of the upper part. A fixed frame (23) is slidably connected to the lower outer side of the lifting frame (22). The fixed frame (23) is fixedly connected between the lower second mounting plates (21). Several sets of connecting rods (24) are fixedly connected inside the lifting frame (22).

7. A scaffold for construction projects according to claim 3, characterized in that: The bottom of the base plate (16) is fixedly connected to four sets of casters (20).

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