A large-span fish-belly type steel truss hoisting auxiliary positioning device

Abstract

This invention discloses an auxiliary positioning device for hoisting a large-span fish-belly type steel truss, comprising a limiting support plate and a fixing mechanism disposed on the limiting support plate. The fixing mechanism includes a protective shell. Hanging plates that are slidably connected to the protective shell are fixedly connected to both ends of the limiting support plate. A hanging through hole is provided at the end of the hanging plate away from the limiting support plate. A connecting component for fixing the protective shell in conjunction with the hanging plate is provided at the end of the protective shell away from the limiting support plate. The interior of the protective shell contains fixing components for fixing the limiting support plate in conjunction with the protective shell and the steel truss. This invention has a simple structure. During use, the assembly state of the auxiliary positioning device can be quickly adjusted through the cooperation of multiple structures, thus facilitating the installation and disassembly of the auxiliary positioning device by the user, making the device more convenient, time-saving, and labor-saving.

Description

TECHNICAL FIELD

[0001] The present application relates to steel truss hoisting technology field, especially pointing to a kind of large-span fish belly type steel truss hoisting auxiliary positioning device. BACKGROUND

[0002] Steel truss refers to the truss made of steel, the roof structure of industrial and civil buildings, crane beam and bridge, etc., steel truss is often used as the main load-bearing component, steel truss usually needs to be hoisted during installation, and hoisting auxiliary positioning device needs to be used during hoisting. The traditional hoisting auxiliary positioning device includes upper buckling plate, lower buckling plate, fixed plate, lifting lug, fixed bolt, hoisting bolt, nut and safety hook and other structures, the device has the advantages that the setting of hoisting bolt and hoisting cable improves the mutual fixing effect of upper buckling plate and lower buckling plate.

[0003] However, the auxiliary positioning device realizes the connection and fixation of the upper buckling plate and the lower buckling plate by using a plurality of fixed bolts and hoisting bolts, and the user needs to operate a plurality of fixed bolts and hoisting bolts during installation and disassembly of the device, which makes the use of the device inconvenient, time-consuming and laborious, and is not conducive to the promotion and use of the hoisting auxiliary positioning device. SUMMARY

[0004] In view of the deficiencies in the above background art, the present application provides a large-span fish belly type steel truss hoisting auxiliary positioning device, which solves the problem of inconvenient use of the steel truss hoisting auxiliary positioning device in the prior art.

[0005] The technical scheme of the present application is as follows:

[0006] A large-span fish belly type steel truss hoisting auxiliary positioning device, comprising a limiting support plate and a fixing mechanism arranged on the limiting support plate, the fixing mechanism comprising a protective shell, both ends of the limiting support plate being fixedly connected with a hanging plate in sliding connection with the protective shell, the hanging plate being provided with a hanging through hole at an end away from the limiting support plate, the protective shell being provided with a connecting assembly at an end away from the limiting support plate for cooperating with the hanging plate to fix the protective shell, and the interior of the protective shell being provided with a fixing assembly for cooperating with the protective shell and the limiting support plate to fix the steel truss.

[0007] Further, the fixing assembly comprises a limiting installation base, a plurality of limiting clamping plates are arranged on the limiting installation base at intervals, the limiting clamping plates are in sliding connection with the limiting installation base, and a first elastic driving member is fixedly connected to an end of the limiting clamping plate away from the limiting support plate for driving the limiting clamping plate to approach the limiting support plate in cooperation with the limiting installation base.

[0008] Further, limiting screws are fixedly connected to both ends of the limiting installation base, and adjusting through holes corresponding to the limiting screws are formed in both ends of the protective shell.

[0009] Further, the first elastic driving member is a spring or a metal spring sheet.

[0010] Further, the connecting assembly comprises transmission plates arranged at intervals, the two ends of the transmission plates are fixedly connected with anti-falling connecting plates corresponding to the hanging plates, one end of the hanging plate is provided with a limiting through hole corresponding to the anti-falling connecting plate, the end of the anti-falling connecting plate close to the transmission plate is slidably connected with a second limiting sleeve fixedly connected with the protective shell, and the end of the anti-falling connecting plate away from the transmission plate is slidably connected with an anti-falling sliding block for preventing the anti-falling connecting plate from falling off.

[0011] Further, the side surface of the protective shell is rotatably connected with a transmission eccentric wheel for adjusting the spacing between the two transmission plates, and the end of the transmission eccentric wheel away from the protective shell is fixedly connected with a handle.

[0012] Further, the two sides of the handle are provided with second elastic driving members for driving the anti-falling connecting plate to be separated from the hanging plate, and the two ends of the second elastic driving members are fixedly connected with the anti-falling connecting plate.

[0013] Further, the second elastic driving member is a spring or an elastic rubber belt.

[0014] Further, the two ends of the protective shell are fixedly connected with first limiting sleeves slidably connected with the hanging plates, and the first limiting sleeves are arranged through the protective shell.

[0015] Further, the side of the limiting support plate close to the protective shell is provided with an elastic protection plate for preventing sliding and reducing noise.

[0016] The beneficial effects of the present application are: through the cooperation of multiple structures, the assembly state of the auxiliary positioning device is quickly adjusted, so that the user can install and disassemble the auxiliary positioning device, making the use of the device more convenient, saving time and effort; through the use of eccentric transmission wheels and fixed plates, the installation and disassembly of the device can be realized by simply twisting, through the use of clamping plates and rubber plates, the device is prevented from rotating or sliding during use, and the reliability of the device is improved; and the present application can be applied to different models of steel trusses, and can effectively prevent the auxiliary positioning device from sliding along the steel truss during use, improve the reliability of the auxiliary positioning device, and is worth popularizing and using. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application, the drawings required to be used in the embodiments description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0018] Figure 1 Structure diagram of the present application;

[0019] Figure 2 Structure diagram of the fixing mechanism of the present application;

[0020] Figure 3 Structure diagram of the protective shell of the present application;

[0021] Figure 4 Structure diagram of the limiting installation base of the present application.

[0022] In the drawings: 1-limiting support plate, 2-elastic protection plate, 3-fixing mechanism, 31-protective shell, 32-first limiting sleeve, 33-fixing assembly, 34-connecting assembly, 331-limiting installation base, 332-limiting screw, 333-first elastic driving member, 334-limiting clamping plate, 341-transmission eccentric wheel, 342-anti-slip block, 343-second limiting sleeve, 344-second elastic driving member, 345-anti-slip connecting plate, 346-transmission plate, 347-handle, 35-adjusting through hole, 5-hanging plate, 51-hanging through hole, 52-limiting through hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present application.

[0024] As Figure 1 and Figure 2As shown, the embodiment 1 of the present application provides a large-span fish belly type steel truss hoisting auxiliary positioning device, which comprises a limiting support plate 1, a fixing mechanism 3 is arranged on one side of the limiting support plate 1, the fixing mechanism 3 comprises a protective shell 31, both ends of the limiting support plate 1 are fixedly connected with a hanging plate 5 which is in sliding connection with the protective shell 31, a hanging through hole 51 is formed in the end of the hanging plate 5 away from the limiting support plate 1, a connecting assembly 34 for cooperating with the hanging plate 5 to fix the protective shell 31 is arranged at the end of the protective shell 31 away from the limiting support plate 1, and a fixing assembly 33 is arranged in the protective shell 31, which is used for fixing the limiting support plate 1 in cooperation with the protective shell 31 and the steel truss.

[0025] Embodiment 2, which is different from embodiment 1, is as follows: Figure 2 and Figure 4 In this embodiment, in order to make the application scope of the fixing assembly 33 more extensive, preferably, the fixing assembly 33 comprises a limiting installation base 331, a plurality of limiting clamping plates 334 are arranged at intervals at both ends of the limiting installation base 331, the limiting clamping plates 334 are in sliding connection with the limiting installation base 331, a first elastic driving piece 333 for driving the limiting clamping plates 334 to approach the limiting support plate 1 in cooperation with the limiting installation base 331 is fixedly connected to the end of the limiting clamping plate 334 away from the limiting support plate 1, limiting screws 332 are fixedly connected to both ends of the limiting installation base 331, adjusting through holes 35 corresponding to the limiting screws 332 are formed at both ends of the protective shell 31, and the first elastic driving piece 333 is a spring.

[0026] When the protective shell 31 is buckled above the limiting support plate 1, the limiting clamping plates 334 will be self-adaptively adjusted according to the shape of the steel truss in cooperation with the first elastic driving piece 333, at this time, the steel truss is clamped by the limiting clamping plates 334, so that the limiting support plate 1 is fixed by the mutual cooperation of the limiting clamping plates 334, the limiting installation base 331 and the protective shell 31, avoiding that the limiting support plate 1 moves on the steel truss along the width direction of the limiting installation base 331 during hoisting, and improving the reliability of the device.

[0027] Secondly, the limiting screws 332 are loosened with a wrench, at this time, the user can vertically adjust the position of the limiting installation base 331 according to the actual use requirement, after the adjustment is completed, the limiting screws 332 are tightened with the wrench, so that the application scope of the device is more extensive (adjustment operation is not required when hoisting the same type of steel truss in batches).

[0028] The embodiment 3 is different from the embodiment 1 that the fixing assembly 33 comprises a limiting installation base 331 fixedly connected with the protective shell 31 by welding, a plurality of limiting clamping plates 334 are arranged at two ends of the limiting installation base 331 in a spaced manner, a protective sleeve is fixedly connected with the limiting installation base 331 and slidably connected with the limiting clamping plates 334, a first elastic driving piece 333 for driving the limiting clamping plates 334 to approach the limiting support plate 1 in cooperation with the limiting installation base 331 is fixedly connected with one end of the limiting clamping plate 334 away from the limiting support plate 1, limiting screws 332 are fixedly connected with the two ends of the limiting installation base 331, and adjusting through holes 35 corresponding to the limiting screws 332 are formed at the two ends of the protective shell 31, and the first elastic driving piece 333 is a metal elastic sheet.

[0029] The embodiment 4 is different from the embodiment 3 that, as shown in Figure 1 、 Figure 2 and Figure 3 , in order to make the use of the connecting assembly 34 more reliable, preferably, the connecting assembly 34 comprises two transmission plates 346 arranged in a spaced manner, the two transmission plates 346 are arranged above the protective shell 31 in a spaced manner, the two ends of the transmission plate 346 are fixedly connected with anti-dropping connecting plates 345 corresponding to the hanging plate 5, the anti-dropping connecting plate 345 is a "T" shaped structure, one end of the hanging plate 5 is provided with a limiting through hole 52 corresponding to the anti-dropping connecting plate 345, one end of the anti-dropping connecting plate 345 close to the transmission plate 346 is slidably connected with a second limiting sleeve 343 fixedly connected with the protective shell 31, and one end of the anti-dropping connecting plate 345 away from the transmission plate 346 is slidably connected with an anti-dropping sliding block 342 for anti-dropping fixing of the anti-dropping connecting plate 345.

[0030] The embodiment 5 is different from the embodiment 4 that, as shown in Figure 1 、 Figure 2 and Figure 3 , in order to facilitate the user to use the device, preferably, a transmission eccentric wheel 341 for adjusting the spacing between the two transmission plates 346 is rotatably connected to the middle part of the side of the protective shell 31, the transmission eccentric wheel 341 is rotatably connected with the protective shell 31 through a bearing, a handle 347 is fixedly connected with one end of the transmission eccentric wheel 341 away from the protective shell 31, second elastic driving pieces 344 for driving the anti-dropping connecting plate 345 to be separated from the hanging plate 5 are arranged on both sides of the handle 347, the two ends of the second elastic driving piece 344 are fixedly connected with the anti-dropping connecting plate 345, and the second elastic driving piece 344 is a spring.

[0031] The embodiment 4 is different from the embodiment 3 that, as shown in Figure 3In the shown state, the connecting assembly 34 is in the locked state, at this time the anti-escape connecting plate 345 extends out of the second limiting sleeve 343, at this time the anti-escape connecting plate 345 penetrates the hanging plate 5 through the limiting through hole 52, the setting of the anti-escape sliding block 342 can avoid the accidental falling of the anti-escape connecting plate 345, when the user needs to release the locked state of the connecting assembly 34, first make the anti-escape sliding block 342 stored in the inside of the anti-escape connecting plate 345, then the user holds the handle 347 with hand, then the user rotates the transmission eccentric wheel 341 by 90°, at this time the anti-escape connecting plate 345 is driven to separate from the hanging plate 5 under the driving action of the second elastic driving element 344 (on the contrary, in the unlocked state, the user only needs to rotate the transmission eccentric wheel 341 by 90° with hand, so that the connecting assembly 34 is in the locked state), at this time the user can directly take off the protective shell 31, so that the user can realize the installation and disassembly of the device only by simple screwing operation.

[0032] Embodiment 6, which is different from embodiment 5, the connecting assembly 34 comprises a transmission plate 346 arranged at intervals, both ends of the transmission plate 346 are fixedly connected with anti-escape connecting plates 345 corresponding to the hanging plate 5, the anti-escape connecting plate 345 is in "L" shape structure, one end of the hanging plate 5 is provided with a limiting through hole 52 corresponding to the anti-escape connecting plate 345, the end of the anti-escape connecting plate 345 close to the transmission plate 346 is slidably connected with a second limiting sleeve 343 fixedly connected with the protective shell 31, the end of the anti-escape connecting plate 345 away from the second limiting sleeve 343 is provided with a pin mounting hole, the middle of the side surface of the protective shell 31 is provided with a motor, the output end of the motor is fixedly connected with a transmission eccentric wheel 341 for adjusting the interval between the two transmission plates 346, both sides of the transmission eccentric wheel 341 are provided with a second elastic driving element 344 for driving the anti-escape connecting plate 345 to separate from the hanging plate 5, both ends of the second elastic driving element 344 are fixedly connected with the anti-escape connecting plate 345, the second elastic driving element 344 is an elastic rubber belt.

[0033] Embodiment 7, which is different from embodiment 6, please refer to Figure 1 and Figure 2 In one embodiment, in order to further improve the reliability of the device, in this embodiment, preferably, both ends of the protective shell 31 are fixedly connected with a first limiting sleeve 32 slidably connected with the hanging plate 5, the first limiting sleeve 32 penetrates the protective shell 31, the first limiting sleeve 32 is fixedly connected with the protective shell 31, the side of the limiting support plate 1 facing the protective shell 31 is provided with an elastic protection plate 2 for playing the role of anti-skid and noise reduction, the elastic protection plate 2 is a rubber plate or a silica gel plate, the elastic protection plate 2 can avoid the collision between the limiting support plate 1 and the steel truss, thereby playing the role of noise reduction and anti-skid, improving the reliability of the device.

[0034] The working principle and use process of the present application: before use, adjust the position of the fixing assembly 33 according to the size of the steel structure of the steel truss at the installation site, place the limiting support plate 1 under the steel structure of the steel truss during use, install the protective shell 31 above the limiting support plate 1, press the protective shell 31, and the fixing assembly 33 will automatically adjust the limiting according to the shape of the steel structure at the installation site, and after pressing, the anti-disconnection plate 345 is at the same height as the limiting through hole 52, then the user holds the handle 347 with his hand, twists the handle 347 to make the transmission eccentric wheel 341 rotate 90°, at this time the anti-disconnection plate 345 passes through the limiting through hole 52, then the user presses the anti-disconnection slide block 342 downward, so that the connecting assembly 34 is in the attached state as shown in the figure, then the user uses the crane to hoist the steel truss through the hanging through hole 51 on the hanging plate 5. Figure 3 The locking state is shown in the figure, then the user uses the crane to hoist the steel truss through the hanging through hole 51 on the hanging plate 5.

[0035] During hoisting, the limiting support plate 1 is subjected to an upward traction force, at this time the steel truss is in close contact with the elastic protective plate 2 due to gravity, and the steel truss is supported by the elastic protective plate 2 to prevent sliding, avoiding the device moving along the length direction of the limiting installation base 331 on the steel truss, at the same time, the limiting clamping plate 334 plays a limiting role on the steel truss, avoiding the device moving along the width direction of the limiting installation base 331 on the steel truss, thereby realizing reliable installation and fixation of the device, avoiding movement or rotation of the device during hoisting, improving the reliability of the device, thereby solving the problem that the traditional hoisting auxiliary positioning device is easy to slide along the steel truss and rotate on the steel truss during hoisting.

[0036] Therefore, the assembly state of the auxiliary positioning device is quickly adjusted through the cooperation of multiple structures, which is convenient for the user to install and disassemble the auxiliary positioning device, making the use of the device more convenient, saving time and effort, secondly, the present application can be applied to different models of steel trusses, and can effectively prevent the auxiliary positioning device from sliding along the steel truss during use, improving the reliability of the auxiliary positioning device, and the present application has the advantages of simple structure, convenient use, and is worth popularizing and using.

[0037] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A large-span fish-bellied steel truss hoisting auxiliary positioning device, characterized in that: The utility model provides a steel truss fixing device, including limit support plate (1) and setting on limit support plate (1) fixed mechanism (3), fixed mechanism (3) includes protective housing (31), and the both ends fixed connection of limit support plate (1) are slidably connected with protective housing (31) hanging plate (5), and the one end of hanging plate (5) away from limit support plate (1) is seted up hanging through -hole (51), and the one end of protective housing (31) away from limit support plate (1) is seted up the connecting assembly (34) for cooperation hanging plate (5) and the fixed effect of protective housing (31), and the inside of protective housing (31) is seted up the fixed assembly (33) for cooperation protective housing (31) and limit support plate (1) and the fixed effect of steel truss, the fixed assembly (33) includes limit installation base (331), and the interval of limit installation base (331) is seted up a plurality of limit clamping plate (334), and limit clamping plate (334) is slidably connected with limit installation base (331), and the one end of limit clamping plate (334) away from limit support plate (1) is fixedly connected with the first elastic drive part (333) for cooperation limit installation base (331) and drive limit clamping plate (334) close to limit support plate (1), the connecting assembly (34) includes the transmission plate (346) of interval setting, and the both ends fixed connection of transmission plate (346) are corresponding with the anti -drop connecting plate (345) of hanging plate (5), and the one end of hanging plate (5) is seted up the limit through -hole (52) corresponding with anti -drop connecting plate (345), and the one end of anti -drop connecting plate (345) close to transmission plate (346) is slidably connected with the second limit sleeve (343) fixedly connected with protective housing (31), and the one end of anti -drop connecting plate (345) away from transmission plate (346) is slidably connected with the anti -drop sliding block (342) for the fixed effect of anti -drop of anti -drop connecting plate (345).

2. The large-span fish belly type steel truss hoisting auxiliary positioning device according to claim 1, characterized in that: The both ends of the limit installation base (331) are fixedly connected with limit screw nails (332), and the both ends of the protective housing (31) are provided with adjusting through holes (35) corresponding to the limit screw nails (332).

3. The hoisting auxiliary positioning device for long-span fish belly steel truss according to claim 1 or 2, characterized in that: The first elastic drive part (333) is a spring or a metal spring.

4. The hoisting auxiliary positioning device for long-span fish belly steel truss according to claim 1 or 2, characterized in that: The side middle part of the protective housing (31) is rotatably connected with a transmission eccentric wheel (341) for adjusting the distance between the two transmission plates (346), and the end of the transmission eccentric wheel (341) away from the protective housing (31) is fixedly connected with a handle (347).

5. The auxiliary positioning device for hoisting large-span fish belly steel truss according to claim 4, characterized in that: The both sides of the handle (347) are provided with second elastic drive parts (344) for driving the anti-drop connecting plate (345) to be separated from the hanging plate (5), and the both ends of the second elastic drive parts (344) are fixedly connected with the anti-drop connecting plate (345).

6. The auxiliary positioning device for hoisting large-span fish belly steel truss according to claim 5, characterized in that: The second elastic drive part (344) is a spring or an elastic rubber belt.

7. The auxiliary positioning device for hoisting large-span fish belly steel truss according to claim 1 or 2 or 5 or 6, characterized in that: The both ends of the protective housing (31) are fixedly connected with first limit sleeves (32) slidably connected with the hanging plate (5), and the first limit sleeves (32) are arranged through the protective housing (31).

8. The large-span fish-belly type steel truss hoisting auxiliary positioning device according to claim 7, characterized in that: The limiting support plate (1) is provided with an elastic protection plate (2) on the side facing the protective shell (31) for anti-skid and noise reduction.

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