Protective fence convenient to mount and fix for tower crane

Abstract

The utility model relates to the technical field of tower crane guardrails, and discloses a tower crane guardrail convenient to install and fix, which comprises a support rod I and a support rod II, the support rod I comprises a plurality of groups of sleeve rods, telescopic grooves and movable holes, the sleeve rods are uniformly arranged on one side of the support rod I, the telescopic grooves are arranged in the sleeve rods, and the movable holes are arranged in the telescopic grooves. The movable hole is formed in one end of the sleeve rod and penetrates into the telescopic groove. The telescopic rod and the sleeve rod can be movably adjusted through the movable hole and the telescopic groove, so that the distance between the first supporting rod and the second supporting rod can be adjusted, the use length of the protective fence can be adjusted, and the protective fence can be conveniently used for tower cranes of different models; multiple groups of protective fences can be spliced and mounted through the connecting screws, the fixing nuts, the first connecting blocks and the second connecting blocks, and the connecting rods and the tower crane are connected and fixed, so that the protective fences are conveniently mounted and fixed, and the using effect of the protective fences is better.

Description

Technical Field

[0001] The utility model relates to the technical field of tower crane guardrails, and specifically relates to a tower crane guardrail that is convenient for installation and fixation. Background Technique

[0002] A tower crane is a rotary crane with a jib installed on the upper part of a tall tower body. It is mainly used for the vertical and horizontal transportation of materials and the installation of building components in building construction. It consists of three parts: a metal structure, a working mechanism, and an electrical system. For the safe use of the tower crane, the tower crane needs to be protected by a guardrail.

[0003] Application No. CN202220964765.7 discloses a tower crane guardrail that is convenient for installation and fixation, which solves the problems in the prior art that the tower crane guardrails on the market usually require personnel to carry the whole to the tower crane... and reduces the manpower required, changes the traditional step of requiring multiple people to cooperate for installation at the same time, saves installation time, and also reduces the risk of high-altitude operations; the structure size of this kind of guardrail is fixed. Since there are many types and different sizes of tower cranes, the size of the guardrail cannot be adjusted, resulting in poor use effect for the tower crane, and it is not convenient to install and fix with the tower crane, and the practicability is low. Content of the Utility Model

[0004] The purpose of the utility model is to provide a tower crane guardrail that is convenient for installation and fixation, so as to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A tower crane guardrail that is convenient for installation and fixation, including a first support rod and a second support rod. The first support rod includes a sleeve rod, a telescopic groove, and a movable hole. Multiple groups of the sleeve rods are evenly arranged on one side of the first support rod. The telescopic groove is arranged inside the sleeve rod. The movable hole is arranged at one end of the sleeve rod and penetrates into the interior of the telescopic groove. The second support rod includes a telescopic rod and a limiting block. Multiple groups of the telescopic rods are evenly arranged on one side of the second support rod. The limiting block is arranged at one end of the telescopic rod.

[0006] Preferably, multiple groups of first connecting blocks are arranged on the side of the first support rod away from the sleeve rod, and multiple groups of second connecting blocks are arranged on the side of the second support rod away from the telescopic rod. Through holes are arranged inside the first connecting blocks and the second connecting blocks. A connecting screw is arranged inside the through holes. A fixing nut is arranged at the bottom end of the outer side of the connecting screw.

[0007] Preferably, a connecting rod is arranged at the top of one side of the first support rod and the second support rod. A fixing shaft penetrating into the interior of the connecting rod is arranged at the top of one side of the first support rod and the second support rod. A convex block is arranged at one end of the fixing shaft.

[0008] Preferably, one end of the telescopic rod away from the second support rod penetrates into the inside of the telescopic groove, and the limiting block is fixedly connected to the second support rod through the telescopic rod.

[0009] Preferably, the telescopic rod is movably connected to the sleeve rod through the movable hole, and the limiting block is movably connected to the sleeve rod through the telescopic groove.

[0010] Preferably, the limiting block is welded to one end of the telescopic rod, and the telescopic rod is limitedly connected to the telescopic groove through the limiting block.

[0011] Preferably, the connecting screw is detachably connected to the first connecting block and the second connecting block through the through hole.

[0012] Preferably, an external thread is provided on the outer side of the connecting screw, and an internal thread matching the connecting screw is provided inside the fixing nut.

[0013] Preferably, the first connecting block is detachably connected to the second connecting block through the through hole and the connecting screw.

[0014] Preferably, a cross bar is provided at the top end of the connecting rod, a rotating hole is provided inside the connecting rod, and the fixed shaft penetrates into the rotating hole, and the connecting rod is rotatably connected to the fixed shaft through the rotating hole.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] The present utility model can perform movable adjustment between the telescopic rod and the sleeve rod through the movable hole and the telescopic groove, so as to adjust the distance between the first support rod and the second support rod, and can adjust the use length of the guardrail, which is convenient for using tower cranes of different models. The connecting screw, the fixing nut, the first connecting block and the second connecting block can be used to splice and install multiple groups of guardrails, and by connecting and fixing the connecting rod to the tower crane, it is convenient to install and fix the guardrail, making the use effect of the guardrail better. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. In all the drawings, similar elements or parts are generally marked with similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to actual scale.

[0018] Figure 1 It is a schematic diagram of the splicing structure of the present utility model.

[0019] Figure 2This is a schematic structural diagram of the present utility model.

[0020] Figure 3 This is a cross-sectional view of the present utility model.

[0021] In the figure: 1, the first support rod; 101, the sleeve rod; 102, the telescopic groove; 103, the movable hole; 2, the second support rod; 201, the telescopic rod; 202, the limit block; 3, the first connecting block; 301, the second connecting block; 302, the through hole; 303, the connecting screw; 304, the fixing nut; 305, the connecting rod; 306, the fixed shaft; 307, the convex block. Specific embodiments

[0022] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0026] Please refer to Figures 1-3, An embodiment of a safety railing for a tower crane that is easy to install and fix provided by the present utility model: A safety railing for a tower crane that is easy to install and fix, including a first support rod 1 and a second support rod 2. The first support rod 1 includes a sleeve rod 101, a telescopic groove 102, and a movable hole 103. A plurality of sets of sleeve rods 101 are evenly arranged on one side of the first support rod 1. The telescopic groove 102 is arranged inside the sleeve rod 101. The movable hole 103 is arranged at one end of the sleeve rod 101 and penetrates into the interior of the telescopic groove 102. The telescopic adjustment between the sleeve rod 101 and the telescopic rod 201 can be carried out through the telescopic groove 102 and the movable hole 103. The second support rod 2 includes a telescopic rod 201 and a limit block 202. A plurality of sets of telescopic rods 201 are evenly arranged on one side of the second support rod 2. The limit block 202 is arranged at one end of the telescopic rod 201. The limit block 202 can prevent the sleeve rod 101 and the telescopic rod 201 from falling off each other.

[0027] Please refer specifically to Figure 1 and Figure 2 , On the side of the first support rod 1 away from the sleeve rod 101, a plurality of first connecting blocks 3 are provided. On the side of the second support rod 2 away from the telescopic rod 201, a plurality of second connecting blocks 301 are provided. Through holes 302 are provided inside the first connecting blocks 3 and the second connecting blocks 301. A connecting screw 303 is arranged inside the through holes 302. The connecting screw 303 can be disassembled and assembled with the first connecting blocks 3 and the second connecting blocks 301 through the through holes 302. A fixing nut 304 is arranged at the bottom end on the outer side of the connecting screw 303. The connecting screw 303 can be installed and fixed with the first connecting blocks 3 and the second connecting blocks 301 through the fixing nut 304. At the top of one side of the first support rod 1 and the second support rod 2, a connecting rod 305 is provided, which can fixedly connect the top end of the safety railing to the tower crane. At the top of one side of the first support rod 1 and the second support rod 2, a fixing shaft 306 penetrating into the interior of the connecting rod 305 is provided. A convex block 307 is arranged at one end of the fixing shaft 306. The connecting rod 305 can be rotationally adjusted and used through the fixing shaft 306, which is convenient for installing and fixing the safety railing.

[0028] Please refer specifically to Figure 1 and Figure 3 , One end of the telescopic rod 201 away from the second support rod 2 penetrates into the interior of the telescopic groove 102. The telescopic adjustment between the telescopic rod 201 and the sleeve rod 101 can be carried out through the telescopic groove 102. The limit block 202 is fixedly connected to the second support rod 2 through the telescopic rod 201. The telescopic rod 201 is movably connected to the sleeve rod 101 through the movable hole 103. The limit block 202 is movably connected to the sleeve rod 101 through the telescopic groove 102. The use distance between the first support rod 1 and the second support rod 2 can be adjusted, and it can be installed and used for different models of tower cranes. The limit block 202 is welded to one end of the telescopic rod 201. The telescopic rod 201 is limitedly connected to the telescopic groove 102 through the limit block 202, playing a limiting role to prevent the telescopic rod 201 and the sleeve rod 101 from falling off each other.

[0029] Please refer specifically to Figure 1 and Figure 2 , the connecting screw rod 303 is detachably connected to the first connecting block 3 and the second connecting block 301 through the through hole 302, and the connecting screw rod 303 and the first connecting block 3 and the second connecting block 301 can be disassembled and assembled. The outer side of the connecting screw rod 303 is provided with an external thread, and the inside of the fixing nut 304 is provided with an internal thread matching the connecting screw rod 303, so that the fixing nut 304 and the connecting screw rod 303 can be disassembled and assembled. The first connecting block 3 is detachably connected to the second connecting block 301 through the through hole 302 and the connecting screw rod 303, which is convenient for splicing between the guardrails, making the installation and fixation of the guardrails more convenient. The top of the connecting rod 305 is provided with a cross bar, and the connecting rod 305 can be fixed to the tower crane with iron wire, which is convenient for installing and fixing the guardrail. The inside of the connecting rod 305 is provided with a rotating hole, and the fixing shaft 306 penetrates into the rotating hole. The connecting rod 305 is rotatably connected to the fixing shaft 306 through the rotating hole, and the connecting rod 305 can be rotated and adjusted, which is convenient for fixing the connecting rod 305 and the tower crane.

[0030] Working principle: When the utility model is in use, pull the first support rod 1 and the second support rod 2. The distance between the sleeve rod 101 and the telescopic rod 201 can be adjusted through the movable hole 103 and the telescopic groove 102, and the limiting block 202 can prevent the sleeve rod 101 and the telescopic rod 102 from falling off. The distance between the first support rod 1 and the second support rod 2 can be adjusted, so that tower cranes of different models can be installed. The first connecting blocks 3 and the second connecting blocks 301 of the two groups of guardrails are spliced up and down, and the connecting screw rod 303 penetrates into the inside of the through hole 302. The first connecting block 3 and the second connecting block 301 can be connected and fixed through the connecting screw rod 303 and the fixing nut 304. The connecting rod 305 and the fixing shaft 306 can rotate through the rotating hole, and the convex block 307 can prevent the connecting rod 305 and the fixing shaft 306 from falling off. The connecting rod 305 and the tower crane can be fixed with iron wire, which is convenient for quickly installing and fixing the guardrail and making the use effect of the guardrail better.

[0031] The above are only the embodiments of the utility model, and the common knowledge of the specific structures and characteristics in the solution is not described in detail here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A protective fence for tower crane that is convenient for installation and fixation, characterized in that: including a first support rod (1), the first support rod (1) includes a sleeve rod (101), a telescopic groove (102) and a movable hole (103), a plurality of groups of the sleeve rods (101) are uniformly arranged on one side of the first support rod (1), the telescopic groove (102) is arranged inside the sleeve rod (101), the movable hole (103) is arranged at one end of the sleeve rod (101), and the movable hole (103) penetrates into the inside of the telescopic groove (102); a second support rod (2), the second support rod (2) includes a telescopic rod (201) and a limit block (202), a plurality of groups of the telescopic rods (201) are uniformly arranged on one side of the second support rod (2), and the limit block (202) is arranged at one end of the telescopic rod (201).

2. The protective fence for tower crane that is convenient for installation and fixation according to claim 1, wherein: On the side of the first support rod (1) away from the sleeve rod (101), a plurality of first connecting blocks (3) are provided. On the side of the second support rod (2) away from the telescopic rod (201), a plurality of second connecting blocks (301) are provided. Through holes (302) are provided inside the first connecting blocks (3) and the second connecting blocks (301). A connecting screw rod (303) is provided inside the through hole (302), and a fixing nut (304) is provided at the bottom end of the outer side of the connecting screw rod (303).

3. The protective railing for tower crane that is convenient for installation and fixation according to claim 2, characterized in that: At the top of one side of the first support rod (1) and the second support rod (2), a connecting rod (305) is provided. At the top of one side of the first support rod (1) and the second support rod (2), a fixing shaft (306) penetrating into the inside of the connecting rod (305) is provided, and a convex block (307) is provided at one end of the fixing shaft (306).

4. A protective fence for tower crane that is convenient for installation and fixation according to claim 1, characterized in that: The end of the telescopic rod (201) away from the second support rod (2) penetrates into the inside of the telescopic groove (102), and the limit block (202) is fixedly connected to the second support rod (2) through the telescopic rod (201).

5. A protective fence for tower cranes that is easy to install and fix, characterized in that: The telescopic rod (201) is movably connected to the sleeve rod (101) through the movable hole (103), and the limit block (202) is movably connected to the sleeve rod (101) through the telescopic groove (102).

6. The protective fence for tower crane that is convenient for installation and fixation according to claim 1, wherein: The limit block (202) is welded to one end of the telescopic rod (201), and the telescopic rod (201) is limitedly connected to the telescopic groove (102) through the limit block (202).

7. A protective fence for a tower crane that is easy to install and fix according to claim 2, characterized in that: The connecting screw rod (303) is detachably connected to the first connecting block (3) and the second connecting block (301) through the through hole (302).

8. The protective fence for tower crane that is convenient for installation and fixation according to claim 2, wherein: External threads are provided on the outer side of the connecting screw rod (303), and internal threads matching the connecting screw rod (303) are provided inside the fixing nut (304).

9. The protective railing for tower crane that is convenient for installation and fixation according to claim 2, wherein: The first connecting block (3) is detachably connected to the second connecting block (301) through the through hole (302) and the connecting screw rod (303).

10. The protective railing for tower crane that is convenient for installation and fixation according to claim 3, wherein: A cross bar is provided at the top end of the connecting rod (305). A rotating hole is provided inside the connecting rod (305), and the fixing shaft (306) penetrates into the rotating hole. The connecting rod (305) is rotatably connected to the fixing shaft (306) through the rotating hole.

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