A crane with adjustable guardrail mounting angle

Abstract

The utility model relates to the technical field of hoist, specifically is a hoist that guardrail installation angle is adjustable, including the pedal with the tower body outside wall fixed sleeve joint, the pedal is rectangular frame structure, and the pedal inside is fixedly connected with the inner plate through the support pole, the inner plate top surface is equipped with the rectangular hole, and the rectangular hole inside rotationally connects with the door leaf, four enclose the fender mechanism and lie respectively in the pedal top surface four side edge department. In the utility model, by screwing the screw rod and adjusting the adjacent internal thread cylinder height, make the adjacent U type board and frame body rotate to the pedal outside with the internal thread cylinder lift, utilize the padlock and lock the connecting ring between two adjacent frame bodies together, when the frame body rotates, the two clamping plates on the internal enclosed mechanism can slide on the adjacent slide rail, and make the square tube and the slide pipe cooperate with the frame body rotation angle and rotate synchronously, make the wire net close the gap between two adjacent frame bodies, thereby convenient to adjust the anti -climbing guardrail installation angle.

Description

Technical Field

[0001] This utility model relates to the field of crane technology, specifically a crane with an adjustable guardrail installation angle. Background Technology

[0002] A tower crane, also known as a tower hoist, consists of a tower body, climbing system, slewing mechanism, jib, counterweight boom, hoisting mechanism, luffing mechanism, and operator's cab. The tower body is usually constructed by stacking multiple standard sections, with a pre-installed climbing channel inside. Tower cranes typically have anti-climb guardrails installed on the tower body to prevent personnel from climbing the crane and to catch falling objects. However, conventional anti-climb guardrails are mostly fixed and vertically arranged, with a small catch surface at the top, which is inconvenient. Utility Model Content

[0003] The purpose of this utility model is to provide a crane with an adjustable guardrail installation angle to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A crane with an adjustable guardrail installation angle includes a body, and the body includes a tower, comprising:

[0006] The system includes a footboard and four anti-climbing barriers. The footboard is fixedly sleeved to the outer wall of the tower body. The footboard has a rectangular frame structure, and an inner plate is fixedly connected inside the footboard by a support rod. A rectangular hole is opened on the top surface of the inner plate, and a door panel is rotatably connected inside the rectangular hole. The four barriers are located on the four sides of the top surface of the footboard. Each barrier includes a frame, and the bottom surface of the frame is rotatably connected to the top surface of the footboard through a pivot.

[0007] Furthermore, each frame has multiple U-shaped plates fixedly connected to one side, each U-shaped plate has a sliding groove on both arms, each U-shaped plate has an internally threaded cylinder slidably engaged between the two sliding grooves, each internally threaded cylinder has a screw screw screwed inside, and the bottom end of each screw screw is rotatably connected to the top surface of the pedal.

[0008] Furthermore, each frame has two closing mechanisms at both ends, and the closing mechanisms include:

[0009] The system includes two slide rails, two clamping plates, and two wire meshes. The two slide rails are fixedly connected to the inner top and bottom surfaces of adjacent frames, respectively. The two clamping plates are slidably engaged with the two slide rails. One clamping plate has square tubes rotatably connected to both ends, and the other clamping plate has sliding tubes rotatably connected to both ends. The two sliding tubes are slidably fitted inside the two square tubes, respectively. The two wire meshes are located between the two square tubes and between the two sliding tubes, respectively.

[0010] Furthermore, each square tube and adjacent sliding tube on any closed mechanism is fixedly connected with a connecting ring.

[0011] Furthermore, each wire mesh has multiple tension springs fixedly connected to its opposite sides, and each tension spring is fixedly connected to an adjacent sliding tube or square tube.

[0012] Furthermore, each of the adjacent sides of any one-way pipe has a cutting groove.

[0013] Furthermore, a handle is fixedly connected to the top of each screw.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] By turning the screw, the height of the adjacent internal threaded cylinder is adjusted, which in turn lifts the adjacent U-shaped plate and frame, causing the frame to rotate outwards towards the pedal and into an inclined state. The connecting ring between the two adjacent frames is locked together by a padlock. When the frame rotates, the two locking plates on the internal sealing mechanism can slide on the adjacent slide rails, and the square tube and slide tube rotate synchronously with the frame rotation angle, so that the wire mesh seals the gap between the two adjacent frames, thus facilitating the adjustment of the anti-climb guardrail installation angle. Attached Figure Description

[0016] Figure 1 This is a schematic plan view of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the enclosure mechanism in this utility model;

[0018] Figure 3 This is a schematic diagram of the frame structure in this utility model;

[0019] Figure 4 This is an exploded view of the closed mechanism structure in this utility model;

[0020] Figure 5 This is a utility model Figure 4 Enlarged view of a portion of point A in the middle.

[0021] In the diagram: 100, tower body; 200, tread plate; 210, inner plate; 300, enclosure mechanism; 310, frame; 320, U-shaped plate; 330, internal threaded cylinder; 340, screw; 400, closing mechanism; 410, slide rail; 420, clamping plate; 421, square tube; 422, sliding tube; 430, connecting ring; 440, wire mesh. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 In this embodiment of the utility model, a crane with an adjustable guardrail installation angle includes a body, which includes a tower body 100, a footboard 200, and four anti-climbing enclosure mechanisms 300. The footboard 200 is fixedly sleeved to the outer wall of the tower body 100. The footboard 200 has a rectangular frame structure, and an inner plate 210 is fixedly connected inside the footboard 200 by a support rod. A rectangular hole is opened on the top surface of the inner plate 210, and a door panel is rotatably connected inside the rectangular hole. The four enclosure mechanisms 300 are respectively located on the four sides of the top surface of the footboard 200. The enclosure mechanism 300 includes a frame 310, and the bottom surface of the frame 310 is rotatably connected to the top surface of the footboard 200 by a pivot.

[0024] Specifically, the machine body is an existing tower crane. The tower body 100 is the standard section of the tower crane used to support the boom. The platform 200 surrounds the tower body 100, and the door panel is equipped with a lock. The internal passage of the standard section is closed by the inner panel 210 and the door panel. The edges of the platform 200 are covered by four frames 310 to physically block people and reduce climbing. The relative angle between the four frames 310 and the platform 200 can be adjusted by rotating the four frames 310 outward, thereby adjusting the angle of the enclosure and increasing the bearing surface above the enclosure formed by the four frames 310. If there are other buildings or equipment blocking the four frames 310, the position of the frames 310 can be adjusted by adjusting the rotation angle of the frames 310 outward from the platform 200. This increases the bearing surface above the enclosure formed by the frames 310 while reducing contact with surrounding buildings or equipment. Example 1

[0025] like Figure 2-3 As shown, in this embodiment, multiple U-shaped plates 320 are fixedly connected to one side of any frame 310. Each U-shaped plate 320 has a sliding groove on both arms. An internal threaded cylinder 330 is slidably engaged between the two sliding grooves on any U-shaped plate 320. A screw 340 is screwed into the inside of each internal threaded cylinder 330. The bottom end of each screw 340 is rotatably connected to the top surface of the pedal 200.

[0026] In this embodiment, the position of the internal threaded cylinder 330 can be adjusted by turning the screw 340, so that the internal threaded cylinder 330 moves and drives the adjacent U-shaped plate 320 and frame 310 to rotate, which facilitates the adjustment of the rotation angle of the frame 310. The screw 340 and the internal threaded cylinder 330 can be self-locked by the thread.

[0027] like Figure 2-5 As shown, in this embodiment, two closing mechanisms 400 are provided at both ends inside any frame 310. The closing mechanism 400 includes:

[0028] Two slide rails 410, two clamping plates 420, and two wire meshes 440 are provided. The two slide rails 410 are fixedly connected to the inner top and inner bottom surfaces of adjacent frames 310, respectively. The two clamping plates 420 are slidably clamped into the interior of the two slide rails 410. One clamping plate 420 is rotatably connected to square tubes 421 at both ends, and the other clamping plate 420 is rotatably connected to slide tubes 422 at both ends. The two slide tubes 422 are slidably sleeved inside the two square tubes 421, respectively. The two wire meshes 440 are located between the two square tubes 421 and between the two slide tubes 422, respectively. A connecting ring 430 is fixedly connected to one square tube 421 and the adjacent slide tube 422 on any of the closing mechanisms 400. Multiple tension springs are fixedly connected to the opposite sides of any of the wire meshes 440. Each tension spring is fixedly connected to the adjacent slide tube 422 or square tube 421. A cutting groove is opened on the adjacent side of any square tube 421.

[0029] In specific implementation, the connecting rings 430 of the two closing mechanisms 400 on the frame 310 are exposed outside both ends of the frame 310. Before the frame 310 rotates and tilts, the connecting rings 430 at both ends of the frame 310 can be locked together with the connecting rings 430 on the adjacent frame 310 using padlocks. Then, when the frame 310 rotates and tilts, the two locking plates 420, two square tubes 421, and two sliding tubes 422 on the internal closing mechanism 400 of the frame 310 form a parallelogram structure, which can be adjusted according to the relationship between the frame 310 and the adjacent frame 310. The wire mesh 440 adapts to the rotation angle of 0 and can slide within the adjacent slide rail 410 without disengaging from the adjacent slide rail 410, so that the wire mesh 440 seals the gap between the two adjacent frames 310. When the square tube 421 or the slide tube 422 rotates, the adjacent wire mesh 440 is always kept taut by the pull of the tension spring. When part of the slide tube 422 is retracted into the adjacent square tube 421 through the cutting groove, the tension spring connected to the wire mesh 440 between the two adjacent slide tubes 422 can enter the cutting groove. Example 2

[0030] Based on Embodiment 1, a handle is provided to facilitate the user in turning the screw 340.

[0031] like Figure 2-3As shown, in this embodiment, a handle is fixedly connected to the top of any screw 340.

[0032] In practice, the watch is covered with rubber material, and a handle is used to make it easy for the user to turn the screw 340.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0034] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A crane with an adjustable guardrail installation angle, comprising a body, wherein the body includes a tower (100), characterized in that, include: The pedal (200) is fixedly sleeved to the outer wall of the tower body (100). The pedal (200) is a rectangular frame structure, and the inner plate (210) is fixedly connected inside the pedal (200) by a support rod. The top surface of the inner plate (210) is provided with a rectangular hole, and a door panel is rotatably connected inside the rectangular hole. Four enclosure mechanisms (300) are located on the four sides of the top surface of the pedal (200). Each enclosure mechanism (300) includes a frame (310), and the bottom surface of the frame (310) is rotatably connected to the top surface of the pedal (200) through a pivot.

2. The crane with adjustable guardrail installation angle according to claim 1, characterized in that, Multiple U-shaped plates (320) are fixedly connected to one side of any frame (310). Each U-shaped plate (320) has a sliding groove on both arms. An internal threaded cylinder (330) is slidably engaged between the two sliding grooves on any U-shaped plate (320). A screw (340) is screwed into the inside of each internal threaded cylinder (330). The bottom end of each screw (340) is rotatably connected to the top surface of the pedal (200).

3. The crane with adjustable guardrail installation angle according to claim 2, characterized in that, A handle is fixedly connected to the top of any screw (340).

4. The crane with adjustable guardrail installation angle according to any one of claims 1-3, characterized in that, Each frame (310) has two closing mechanisms (400) at both ends inside, and the closing mechanism (400) includes: Two slide rails (410) are fixedly connected to the inner top and inner bottom surfaces of adjacent frames (310), respectively; Two clamping plates (420) are slidably clamped into the two slide rails (410), wherein one clamping plate (420) is rotatably connected to square tubes (421) at both ends, and the other clamping plate (420) is rotatably connected to slide tubes (422) at both ends, and the two slide tubes (422) are slidably sleeved into the two square tubes (421); Two wire meshes (440) are located between the two square tubes (421) and between the two sliding tubes (422), respectively.

5. The crane with adjustable guardrail installation angle according to claim 4, characterized in that, A connecting ring (430) is fixedly connected to a square tube (421) and an adjacent slide tube (422) on any of the closing mechanisms (400).

6. The crane with adjustable guardrail installation angle according to claim 4, characterized in that, Multiple tension springs are fixedly connected to each side of any wire mesh (440), and each tension spring is fixedly connected to the adjacent sliding tube (422) or square tube (421).

7. The crane with adjustable guardrail installation angle according to claim 4, characterized in that, Cutting grooves are provided on the adjacent side of any square tube (421).

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