Vertical hoisting and transporting device for building ventilating duct

Abstract

The utility model relates to the technical field of building construction, in particular to a building ventilation pipeline vertical hoisting and transporting device which comprises a steel cable and a fixing frame, and the fixing frame is arranged on the surface of the steel cable in a sleeving mode. The positioning device is fixedly connected to the surface of the steel cable; the positioning device comprises a fixing ring fixedly connected to the surface of the steel cable, and hinge seats annularly distributed around the axis of the fixing ring are hinged to the surface of the fixing ring. According to the positioning device, the multiple drag hooks are adopted for synchronously lifting the ventilation pipeline, the pressure of the drag hooks on the bottom of the ventilation pipeline can be dispersed, the probability of damage to the ventilation pipeline is further reduced, the multiple drag hooks are annularly distributed on the outer side of the steel cable, and it can be ensured that the whole positioning device and the steel cable are located at the axis of the ventilation pipeline to be stressed; the probability of inclination of the whole positioning device and the steel cable is reduced, so that the stress of the drag hook and the ventilation pipeline is more balanced.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a vertical hoisting and transportation device for building ventilation ducts. Background Art

[0002] Ventilation ducts are metal or non-metallic pipes used for ventilation and air conditioning in industrial and civil buildings. The purpose of ventilation ducts is to circulate air and reduce the concentration of harmful gases. They are a kind of municipal infrastructure.

[0003] A Chinese patent discloses a tool for vertically lifting pipes (authorization announcement number CN215592345U). The utility model passes a connecting piece through a fixing device and connects a hook. The hook hooks the bottom of the pipe to effectively support the pipe. The fixing device presses on the upper part of the pipe to fix the pipe, so that the center of the pipe is always located on the connecting piece, avoiding shaking during the pipe lifting process, and facilitating the control of the pipe passing through the reserved hole of the floor slab. The tool realizes fast and effective vertical lifting of the pipe, reduces the difficulty and intensity of manual operation, improves the efficiency of pipe lifting work, and ensures the safety of manual operation.

[0004] Since the above device uses the method of locking the upper center and locking the lower single hook to vertically lift the pipeline. When the hook of the hook is smaller than the radius of the pipeline, the staff needs to rotate the hook to connect the hook to the pipeline. Since the connecting piece is a pull rope structure, the hook will drive the connecting piece to tilt together, increasing the pressure of the hook on the lower part of the pipeline. Even if a buffer pad is added, it can only reduce the partial force concentration at the bottom of the pipeline, and there is still a probability that the pipeline will be damaged by the hook.

[0005] Therefore, a vertical hoisting and transportation device for building ventilation ducts is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a vertical hoisting and transportation device for building ventilation ducts in order to solve the above-mentioned problem, thereby improving the problem of poor vertical hoisting stability of the vertical hoisting and transportation device for building ventilation ducts.

[0007] The utility model achieves the above-mentioned purpose through the following technical scheme, a vertical lifting and transportation device for building ventilation ducts, including: a steel cable and a fixing frame, the fixing frame is sleeved on the surface of the steel cable; and a positioning device, the positioning device is fixedly connected to the surface of the steel cable.

[0008] Preferably, the positioning device includes a fixing ring fixedly connected to the surface of the steel cable, the surface of the fixing ring is hinged with an articulated seat distributed in a ring shape around the axis of the fixing ring, the inner side of the articulated seat is hinged with a hook, the articulated seat and the hook are used in combination, the number of the hooks is not less than six, the positioning device uses a plurality of hooks to synchronously lift the ventilation duct, which can not only disperse the pressure of the hooks on the bottom of the ventilation duct, further reduce the probability of damage to the ventilation duct, and the plurality of hooks are distributed in a ring shape on the outside of the steel cable, which can ensure that the positioning device as a whole and the steel cable are subjected to force at the axis of the ventilation duct, reducing the probability of tilting of the positioning device as a whole and the steel cable, so that the force on the hook and the ventilation duct is more balanced, which can not only further reduce the probability of damage to the ventilation duct due to excessive pressure of the hook on the ventilation duct, but also make the ventilation duct more stable and vertical during hoisting and transportation, reducing the probability of tilting of the ventilation duct.

[0009] Preferably, a threaded groove is provided on the top of the pull hook, and the internal thread of the threaded groove is connected to a threaded adjustment rod hinged to the hinge seat. The staff can adjust the pull hook accordingly according to the specifications of the ventilation duct. This does not require the staff to prepare positioning devices of corresponding specifications, and when the staff needs to store the positioning device, the staff can also adjust the position of the pull hook and the fixing ring to the nearest position, which can reduce the overall volume of the positioning device for easy storage by the staff.

[0010] Preferably, the top of the threaded adjustment rod is rotatably connected to a rotating seat, and the rotating seat is rotatably connected to the inner side of the hinged seat. This allows the staff to adjust the hook angle as needed after adjusting the hook position to ensure that the hook can stably support the ventilation duct.

[0011] Preferably, an elastic clip is clamped on the surface of the threaded adjusting rod, and the elastic clip is fixedly connected to the surface of the fixing ring. The elastic clip is a spring steel material component, and the horizontal cross-section of the elastic clip is an arc shape. When the staff clamps the threaded adjusting rod into the elastic clip, the elastic clip can not only prevent the pull hook from rotating along the hinge seat, but also prevent the pull hook from rotating along the hinge seat, so that the pull hook is more stable when not in use, and can also reduce the interference of the pull hook to the normal operation of the surrounding hooks when the pull hook is not in use.

[0012] Preferably, the surface of the hook is provided with a protective cover, which is a fluororubber material component. The protective cover can not only reduce the damage of the hook to the ventilation duct, but also disperse the stress points of the hook on the ventilation duct, further reducing the probability of damage to the ventilation duct.

[0013] The beneficial effects of the utility model are:

[0014] 1. The positioning device uses multiple hooks to synchronously lift the ventilation duct, which can not only disperse the pressure of the hooks on the bottom of the ventilation duct, but also further reduce the probability of damage to the ventilation duct. In addition, multiple hooks are distributed in a ring shape on the outside of the steel cable, which can ensure that the positioning device as a whole and the steel cable are stressed at the axis of the ventilation duct, reducing the probability of the positioning device as a whole and the steel cable tilting, making the force on the hook and the ventilation duct more balanced, which can not only further reduce the probability of damage to the ventilation duct caused by excessive pressure of the hook on the ventilation duct, but also make the ventilation duct more stable and vertically hoisted and transported, reducing the probability of tilting of the ventilation duct;

[0015] 2. The staff can adjust the hook accordingly according to the specifications of the ventilation duct, which does not require the staff to prepare positioning devices of corresponding specifications. When the staff needs to store the positioning device, the staff can also adjust the position of the hook and the fixing ring to the closest position, which can reduce the overall volume of the positioning device for easy storage by the staff. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a structural schematic diagram of the positioning device in the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of the positioning device in the utility model;

[0019] Figure 4 It is an exploded schematic diagram of a partial cutaway structure of the positioning device in the utility model.

[0020] In the figure: 1, steel cable; 2, fixing frame; 3, positioning device; 31, fixing ring; 32, hinged seat; 33, hook; 331, threaded groove; 34, threaded adjustment rod; 35, rotating seat; 36, elastic clamp; 37, protective cover. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] When implementing: Figure 1-4As shown, a vertical lifting and transportation device for building ventilation ducts includes: a steel cable 1 and a fixing frame 2, the fixing frame 2 is sleeved on the surface of the steel cable 1; a positioning device 3, the positioning device 3 is fixedly connected to the surface of the steel cable 1, the fixing frame 2 has the same structure and usage as the fixing device in the comparative patent, so the beneficial effects that can be achieved are also the same. It is a mature technology that has been disclosed and will not be elaborated here.

[0023] like Figure 2 , Figure 3 and Figure 4 As shown, the positioning device 3 includes a fixing ring 31 fixedly connected to the surface of the steel cable 1, the surface of the fixing ring 31 is hinged with an articulated seat 32 distributed in a ring shape around the axis of the fixing ring 31, and a hook 33 is hinged on the inner side of the articulated seat 32; the articulated seat 32 and the hook 33 are used in combination, and the number of the hooks 33 is not less than six; a thread groove 331 is provided on the top of the hook 33, and the internal thread of the thread groove 331 is connected with a threaded adjustment rod 34 articulated with the articulated seat 32; the top of the threaded adjustment rod 34 is rotatably connected with a rotating seat 35, and the rotating seat 35 is rotatably connected to the inner side of the articulated seat 32; the surface of the threaded adjustment rod 34 is clamped with an elastic clamp 36, and the elastic clamp 36 is fixedly connected to the surface of the fixing ring 31; the elastic clamp 36 is a spring steel material component, and the horizontal cross-section shape of the elastic clamp 36 is an arc shape; the surface of the hook 33 is covered with a protective cover 37, and the protective cover 37 is a fluororubber material component;

[0024] When the staff needs to adjust the supporting range of the hook 33, the staff only needs to hold the threaded adjustment rod 34 and then rotate the hook 33 in the corresponding direction. The hook 33 moves closer to or away from the fixing ring 31 along the threaded adjustment rod 34 through the threaded groove 331. At this time, the supporting range of the hook 33 is effectively adjusted. When the position adjustment of the hook 33 is completed, the staff only needs to rotate the threaded adjustment rod 34 in the corresponding direction. The threaded adjustment rod 34 drives the hook 33 to rotate to the corresponding direction along the rotating seat 35 through the threaded groove 331 to ensure that the hook 33 can effectively support the ventilation duct of the corresponding specification.

[0025] When the utility model is in use, the staff first connects the steel cable 1 to the sling on the crane used for transportation. The crane is a lifting and handling machinery widely used in ports, workshops, electric power, construction sites and other places. It is a relatively mature lifting and transportation machinery at present, which is not drawn in the figure. Then the positioning device 3 is passed through the inner side of the ventilation duct that needs to be lifted, and then all the hooks 33 are rotated to a position that fits the bottom of the ventilation duct. At this time, the staff can operate the crane to vertically lift the sling together with the steel cable 1, the steel cable 1 drives the fixed ring 31 to rise, the fixed ring 31 drives the hinged seat 32 to rise, the hinged seat 32 drives the rotating seat 35 to rise, the rotating seat 35 drives the threaded adjusting rod 34 to rise, and the threaded adjusting rod 34 drives the hook 33 to rise through the threaded groove 331. At this time, all the hooks 33 cooperate to support the bottom of the ventilation duct, so that the ventilation duct It is vertically hoisted, and then the staff can control the crane to move vertically to lift the ventilation duct. Compared with the existing single-hook fixed vertical lifting method, the positioning device 3 adopts multiple hooks 33 to synchronously lift the ventilation duct, which can not only disperse the pressure of the hook 33 on the bottom of the ventilation duct, but also further reduce the probability of damage to the ventilation duct. In addition, multiple hooks 33 are distributed in a ring on the outside of the steel cable 1, which can ensure that the positioning device 3 as a whole and the steel cable 1 are subjected to force at the axial center line of the ventilation duct, reducing the probability of the positioning device 3 as a whole and the steel cable 1 tilting, so that the force on the hook 33 and the ventilation duct is more balanced, which can not only further reduce the probability of damage to the ventilation duct due to excessive pressure of the hook 33 on the ventilation duct, but also make the ventilation duct more stable and vertically hoisted and transported, reducing the probability of tilting of the ventilation duct.

[0026] It should be noted that the steel cable 1, hinged seat 32, hook 33 and threaded adjustment rod 34 in the above description are all relatively mature devices in existing technology applications. The specific model can be selected according to actual needs, and the specific power supply method can be selected according to the situation, which will not be elaborated here.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A vertical hoisting and transportation device for building ventilation ducts, characterized in that: include: A steel cable (1) and a fixing frame (2), wherein the fixing frame (2) is sleeved on the surface of the steel cable (1); A positioning device (3), wherein the positioning device (3) is fixedly connected to the surface of the steel cable (1); The positioning device (3) comprises a fixing ring (31) fixedly connected to the surface of the steel cable (1), the surface of the fixing ring (31) is hinged with an articulated seat (32) distributed in a ring shape around the axis of the fixing ring (31), and the inner side of the articulated seat (32) is hinged with a hook (33).

2. A vertical hoisting and transporting device for building ventilation ducts according to claim 1, characterized in that: The hinged seat (32) and the draw hook (33) are used in combination, and the number of the draw hooks (33) is not less than six.

3. The vertical hoisting and transportation device for building ventilation ducts according to claim 1 is characterized in that: A thread groove (331) is formed on the top of the pull hook (33), and the inner thread of the thread groove (331) is connected to a thread adjustment rod (34) hinged to the hinge seat (32).

4. A vertical hoisting and transporting device for building ventilation ducts according to claim 3, characterized in that: The top of the threaded adjustment rod (34) is rotatably connected to a rotating seat (35), and the rotating seat (35) is rotatably connected to the inner side of the hinge seat (32).

5. The vertical hoisting and transporting device for building ventilation ducts according to claim 3 is characterized in that: An elastic clamp (36) is clamped on the surface of the threaded adjustment rod (34), and the elastic clamp (36) is fixedly connected to the surface of the fixing ring (31).

6. A vertical hoisting and transporting device for building ventilation ducts according to claim 5, characterized in that: The elastic clamp (36) is a spring steel material component, and the horizontal cross-section of the elastic clamp (36) is in the shape of an arc.

7. The vertical hoisting and transporting device for building ventilation ducts according to claim 1 is characterized in that: The surface of the draw hook (33) is covered with a protective sleeve (37), and the protective sleeve (37) is a fluororubber material component.

Images