Portable hoisting equipment for bridge construction

Abstract

The utility model relates to engineering machinery equipment technical field, concretely is a portable hoisting equipment for bridge construction, and the equipment core technology effect reflects in mobile and support, hoisting operation two aspects, base is equipped with two universal wheels and realizes convenient removal, and the support arm of rotation is hinged with base adjustable angle, the support leg of support module of rotation in support subassembly cooperates with fixed pin, and the linkage connecting rod and pedal structure of fixed module's telescopic axle linkage, ensure equipment stable support, realize flexible removal, the dependence of construction site is low, and the deployment is flexible, in hoisting subassembly, the hoisting module passes through control lever and drives the winding drum to receive and release the rope, and locking pin and positioning groove cooperate and realize locking, the telescopic support arm of hook arm module can adjust length and angle, the rope is guided by the pulley, and the lifting hook realizes object hoisting, and each component cooperates and realizes portable hoisting operation of bridge construction.

Description

Technical Field

[0001] This utility model relates to the field of engineering machinery and equipment technology, specifically a portable hoisting device for bridge construction. Background Technology

[0002] During bridge construction, it is often necessary to carry out short-distance hoisting operations on building materials and components, especially in complex terrain or narrow construction areas, where the portability and flexibility of hoisting equipment are required.

[0003] A search revealed existing technology (application number: CN110143532A), which describes "a hoisting device for bridge construction." This utility model consists of a winch fixed to a high building platform, a lifting mechanism consisting of a square frame connected to the high building platform via connecting columns and support columns and extending outwards at the front end, a lifting rod with a connecting ring and hollow sleeve at the lower end of the lifting line, a connecting mechanism, a tool holding mechanism, a traction mechanism including a fixed column and an electric telescopic rod, a control mechanism, and a protection mechanism. However, it has disadvantages such as being unable to move independently, being highly dependent on the construction site, and having poor deployment flexibility. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a portable hoisting device for bridge construction.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a portable hoisting device for bridge construction, comprising: a base with a rotating support arm on top and two symmetrical casters at the bottom for providing support for the device; a support assembly including a rotating support module and a fixing module, wherein the rotating support module is disposed on one side of the base and welded to the base, and the fixing module has two sets connected to the bottom of the base; and a hoisting assembly including a winch module and a hook arm module, wherein the winch module and the hook arm module are both disposed on top of the rotating support arm, and the hook arm module is located above the winch module.

[0006] As a further description of the above technical solution:

[0007] The rotating support arm is hinged to the base via a mounting seat. The mounting seat is provided with a sliding groove. The rotating support arm is slidably connected to the mounting seat and is also connected by bolts. The bolts slide within the sliding groove.

[0008] As a further description of the above technical solution:

[0009] The rotating support module includes: a fixed base, one end of which is connected to the base, and the other end is hollow inside, with a sliding groove on the upper surface and a fixing hole on the lower side; a support leg, one end of which is rotatably connected to the inside of the fixed base, and the bottom of the other end is provided with a guide wheel; and a fixing pin, which is slidably connected to the support leg and slides in the sliding groove of the fixed base, and cooperates with the fixing hole of the fixed base to lock the support leg.

[0010] As a further description of the above technical solution:

[0011] The fixing module includes: a telescopic shaft, one end of which is connected to the bottom of the base and the other end of which is in contact with the ground; two connecting rods, one on each side of the telescopic shaft, with one end rotatably connected to the top of the telescopic shaft; two connecting rods, L-shaped, one on each side of the telescopic shaft, with the inflection point rotatably connected to the bottom of the telescopic shaft, and one end rotatably connected to the other end of connecting rod one; one pedal, fixedly connected to one end of the two connecting rods two; and a spring, which is located inside the telescopic shaft.

[0012] As a further description of the above technical solution:

[0013] The hoisting module includes: a control rod, rotatably connected to a rotating support arm via a connecting plate 1, with a turntable extending from one side of the connecting plate 1 and a handle on the turntable; a winding drum, connected to the control rod and located inside the connecting plate 1, rotatably connected to the connecting plate 1; a locking pin, connected to the top of the connecting plate 1 via a connecting plate 2, and slidably connected to the connecting plate 2; a second spring, located on the top of the locking pin, with one end connected to the locking pin and the other end connected to the connecting plate 2; and multiple positioning grooves, located on the arc-shaped sidewall in the middle of the winding drum, which cooperate with the locking pin to lock the winding drum.

[0014] As a further description of the above technical solution:

[0015] The hook arm module includes: a pulley one, which is set on one side of the top of the rotating support arm; a telescopic support arm, one end of which is rotatably connected to the other side of the top of the rotating support arm through a connecting plate three, with a positioning hole on the side wall and a pulley two at the other end; and a hook, which is set below the telescopic support arm.

[0016] As a further description of the above technical solution:

[0017] The spool, pulley one, and hook are connected by a rope. One end of the rope is connected to the arc-shaped side wall of the spool and slidably connected to the arc-shaped side wall of the pulley one. The other end is detachably connected to the hook.

[0018] This utility model has the following beneficial effects:

[0019] The core technological advantages of this equipment are reflected in its mobility and support, as well as its hoisting operation. The base is equipped with two omnidirectional wheels for easy movement, and the rotating support arm is hinged to the base for adjustable angle. In the support assembly, the support legs of the rotating support module, together with the fixing pins, and the telescopic shaft linkage and pedal structure of the fixing module, ensure stable support of the equipment, enabling flexible movement, low dependence on the construction site, and flexible deployment.

[0020] In the hoisting assembly, the winch module uses a control rod to drive the reel to wind up and unwind the rope, and the locking pin engages with the positioning slot to lock it in place; the telescopic support arm of the hook arm module can be adjusted in length and angle, the pulley guides the rope, and the hook lifts the object. All components work together to achieve portable hoisting operations for bridge construction. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the rotating support module of this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the hoisting module of this utility model;

[0024] Figure 4 This is a structural schematic diagram of the fixing module of this utility model.

[0025] Legend:

[0026] 1. Base; 11. Rotating support arm; 12. Casters; 2. Support assembly; 21. Rotating support module; 211. Fixed seat; 212. Support leg; 213. Fixing pin; 22. Fixing module; 221. Telescopic shaft; 222. Link 1; 223. Link 2; 224. Pedal; 225. Spring 1; 3. Lifting assembly; 31. Winch module; 311. Control lever; 312. Winding drum; 313. Locking pin; 314. Spring 2; 315. Positioning slot; 32. Hook arm module; 321. Pulley 1; 322. Telescopic support arm; 323. Hook. Detailed Implementation

[0027] 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.

[0028] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The utility model will be further described in detail below with reference to the accompanying drawings.

[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] Example 1:

[0031] like Figures 1 to 4 As shown, this embodiment provides a portable hoisting device for bridge construction, including: a base 1 with a rotating support arm 11 on top and two symmetrical casters 12 at the bottom for supporting the device; a support assembly 2 including a rotating support module 21 and a fixing module 22, the rotating support module 21 being disposed on one side of the base 1 and welded to the base 1, and the fixing module 22 having two sets both connected to the bottom of the base 1; and a hoisting assembly 3 including a winch module 31 and a hook arm module 32, both the winch module 31 and the hook arm module 32 being disposed on top of the rotating support arm 11, with the hook arm module 32 located above the winch module 31.

[0032] Specifically, the rotating support arm 11 is hinged to the base 1 via a mounting seat. The mounting seat is provided with a sliding groove, and the rotating support arm 11 is slidably connected to the mounting seat and connected by bolts. The bolts slide within the sliding groove.

[0033] In this embodiment, the base 1, the support component 2, and the hoisting component 3 constitute a portable hoisting device for bridge construction according to this application.

[0034] Example 2:

[0035] Specifically, the rotating support module 21 includes: a fixed base 211, one end of which is connected to the base 1, and the other end is hollow inside, with a sliding groove on the upper surface and a fixing hole on the lower side; a support leg 212, one end of which is rotatably connected to the inside of the fixed base 211, and the bottom of the other end is provided with a guide wheel; and a fixing pin 213, which is slidably connected to the support leg 212 and slides in the sliding groove of the fixed base 211, and locks the support leg 212 in cooperation with the fixing hole of the fixed base 211.

[0036] Specifically, the fixing module 22 includes: a telescopic shaft 221, one end of which is connected to the bottom of the base 1 and the other end of which is in contact with the ground; two connecting rods 222, located on both sides of the telescopic shaft 221, one end of which is rotatably connected to the top of the telescopic shaft 221; two connecting rods 223, which are L-shaped and connected to both sides of the telescopic shaft 221, with the inflection point rotatably connected to the bottom of the telescopic shaft 221, and one end of which is rotatably connected to the other end of the connecting rods 222; a pedal 224, which is fixedly connected to one end of the two connecting rods 223; and a spring 225, which is located inside the telescopic shaft 221.

[0037] In this embodiment, the support leg 212 can rotate within the fixed base 211, and the fixing pin 213 locks the support leg 212 through the slide groove and fixing hole. The support device can adjust the position and lock the support leg 212. The pedal 224 drives the telescopic shaft 221 to extend and retract through the first connecting rod 222 and the second connecting rod 223. The first spring 225 assists in the reset, realizing the extension and retraction of the telescopic shaft 221 and the fixing device.

[0038] Example 3:

[0039] Specifically, the hoisting module 31 includes: a control rod 311, which is rotatably connected to the rotating support arm 11 via a connecting plate 1, and a turntable is provided on one side extending from the connecting plate 1, with a handle on the turntable; a winding drum 312, which is connected to the control rod 311 and located inside the connecting plate 1, and is rotatably connected to the connecting plate 1; a locking pin 313, which is connected to the top of the connecting plate 1 via a connecting plate 2, and is slidably connected to the connecting plate 2; a second spring 314, which is located on the top of the locking pin 313, with one end connected to the locking pin 313 and the other end connected to the connecting plate 2; and a positioning groove 315, which is located on the arc-shaped side wall in the middle of the winding drum 312, and has multiple grooves, which cooperate with the locking pin 313 to lock the winding drum 312.

[0040] Specifically, the hook arm module 32 includes: a pulley 321, which is located on one side of the top of the rotating support arm 11; a telescopic support arm 322, one end of which is rotatably connected to the other side of the top of the rotating support arm 11 via a connecting plate 3, with a positioning hole on the side wall and a pulley 2 at the other end; and a hook 323, which is located below the telescopic support arm 322.

[0041] Specifically, the spool 312, pulley 321 and hook 323 are connected by a rope. One end of the rope is connected to the arc-shaped side wall of the spool 312 and slidably connected to the arc-shaped side wall of the pulley 321. The other end is detachably connected to the hook 323.

[0042] In this embodiment, rotating the control lever 311 drives the reel 312 to wind and unwind the rope. The locking pin 313, under the action of the second spring 314, inserts into the positioning groove 315 to lock the reel 312. The rope is winded and unwinded and the reel 312 is locked. The telescopic support arm 322 can rotate and extend. Pulley 1 321 and Pulley 2 guide the rope. The hook 323 lifts the object and adjusts the lifting position and the object being lifted.

[0043] In actual use, the operator first places the device on the ground, then lifts the rotating support arm 11 and rotates it to fix it on the base 1. Next, the operator pulls the fixing pin 213 and rotates the support leg 212 to lock the fixing pin 213 into the fixing hole. Then, the operator rotates the telescopic support arm 322 and fixes its angle with bolts. Then, the operator pulls the locking pin 313, rotates the control lever 311 to pull out the rope, and then releases the locking pin 313. Under the action of the second spring 314, the locking pin 313 re-locks into the positioning groove 315 to fix the reel 312. Then, the operator slides the rope through the first pulley 321 to the second pulley and fixes the hook 323 to the rope. Finally, the operator lifts the pedal 224 to retract the telescopic shaft 221 under the action of the first spring 225. Then, the operator pushes the device to the desired position and fixes it by stepping on the pedal 224.

[0044] It should be noted that all electrical components mentioned in this article are connected to an external main controller and 220V AC mains power. The main controller can be a conventional known device that can be controlled by a computer or other means. The detailed description of known functions and known components is omitted in the specific implementation of this disclosure. In order to ensure the compatibility of the device, the operating methods used are consistent with the parameters of commercially available instruments.

[0045] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A portable hoisting device for bridge construction, characterized in that: include: The base (1) has a rotating support arm (11) on top and two universal wheels (12) symmetrically arranged at the bottom to provide support for the device; The support assembly (2) includes a rotating support module (21) and a fixing module (22). The rotating support module (21) is located on one side of the base (1) and welded to the base (1). The fixing module (22) has two sets of components that are connected to the bottom of the base (1). The hoisting assembly (3) includes a winch module (31) and a hook arm module (32). Both the winch module (31) and the hook arm module (32) are located on top of the rotating support arm (11), with the hook arm module (32) located above the winch module (31). The hoisting module (31) includes: The control lever (311) is rotatably connected to the rotating support arm (11) via the connecting plate 1. A turntable is provided on one side of the connecting plate 1, and a handle is provided on the turntable. The spool (312) is connected to the control rod (311) and is located inside the connecting plate 1, and is rotatably connected to the connecting plate 1; The locking pin (313) is connected to the top of the connecting plate 1 through the connecting plate 2 and is slidably connected to the connecting plate 2; Spring 2 (314) is set on top of locking pin (313), with one end connected to locking pin (313) and the other end connected to connecting plate 2; Positioning grooves (315) are provided on the arc-shaped side wall in the middle of the winding drum (312), and multiple grooves are provided to cooperate with locking pins (313) to lock the winding drum (312).

2. The portable hoisting equipment for bridge construction according to claim 1, characterized in that: The rotating support arm (11) is hinged to the base (1) through a mounting seat. The mounting seat is provided with a sliding groove. The rotating support arm (11) is slidably connected to the mounting seat and is connected by bolts. The bolts slide in the sliding groove.

3. The portable hoisting equipment for bridge construction according to claim 1, characterized in that: The rotation support module (21) includes: The fixing base (211) is connected to the base (1) at one end and hollow inside at the other end. The upper surface is provided with a sliding groove and the lower side is provided with a fixing hole. The support leg (212) is rotatably connected to the inside of the fixed base (211) at one end, and a guide wheel is provided at the bottom of the other end; The fixing pin (213) is slidably connected to the support leg (212) and slides in the groove of the fixing seat (211), and locks the support leg (212) by cooperating with the fixing hole of the fixing seat (211).

4. The portable hoisting equipment for bridge construction according to claim 1, characterized in that: The fixed module (22) includes: The telescopic shaft (221) is connected at one end to the bottom of the base (1) and at the other end to the ground; There are two connecting rods (222), located on both sides of the telescopic shaft (221), with one end rotatably connected to the top of the telescopic shaft (221); Linkage 2 (223) consists of two links connected to both sides of the telescopic shaft (221), and is L-shaped. The inflection point is rotatably connected to the bottom end of the telescopic shaft (221), and one end is rotatably connected to the other end of link 1 (222). A pedal (224), one in number, is fixedly connected to one end of two connecting rods (223); a spring (225) is set inside the telescopic shaft (221).

5. A portable hoisting device for bridge construction according to claim 1, characterized in that: The hook arm module (32) includes: Pulley 1 (321) is located on one side of the top of the rotating support arm (11); The telescopic support arm (322) is rotatably connected at one end to the other side of the top of the rotating support arm (11) via a connecting plate three. A positioning hole is provided on the side wall, and a pulley two is provided at the other end. The hook (323) is located below the telescopic support arm (322).

6. The portable hoisting equipment for bridge construction according to claim 1, characterized in that: The spool (312), pulley (321) and hook (323) are connected by a rope. One end of the rope is connected to the arc-shaped side wall of the spool (312) and slidably connected to the arc-shaped side wall of the pulley (321). The other end is detachably connected to the hook (323).

Images