Hoisting device of steel structure transportation channel

Abstract

The utility model discloses a hoisting device for a steel structure transportation channel, which relates to the technical field of steel structure hoisting and comprises a hoisting block, connecting rods are hinged to two ends of the bottom of the hoisting block, clamping rods are hinged to one ends of the two connecting rods, and the other ends of the two clamping rods are hinged to a lifting rod. Supporting plates are fixedly connected to the bottom ends of the two clamping rods, a first limiting plate is arranged at the bottom of the lifting block, sliding grooves matched with the clamping rods are formed in the two ends of the first limiting plate, one ends of the two clamping rods are slidably connected into the two sliding grooves correspondingly, and a fixing box is arranged at the bottom of the first limiting plate. And the bottom of the fixed box is fixedly connected with a rubber friction plate. According to the hoisting device for the steel structure transportation channel, the clamping strip drives the fixing box to integrally move downwards through the moving plate, so that the bottom of the rubber friction plate is tightly attached to H-shaped steel, the hoisting device can fix the hoisted H-shaped steel with different thicknesses and sizes, and the application range of the hoisting device is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steel structure hoisting technology field, concretely is a kind of hoisting device of steel structure transport passage. BACKGROUND

[0002] Hoisting refers to the installation, positioning of equipment by crane or lifting mechanism, and in the process of inspection or maintenance, equipment, workpieces, tools, materials and other objects are lifted by various hoisting machines to change their positions.

[0003] The hoisting tool of the existing H-shaped steel hoisting needs to be fixed by a screw rod during installation, and the worker needs to operate the screw rod until the tool clamps the H-shaped steel, and then the hoisting can be carried out. After hoisting is completed, loosen the screw rod to disassemble the device. It is time-consuming and laborious to operate. When the H-shaped steel shakes during transportation, the device clamping place is easy to loosen, which causes the hoisted H-shaped steel to tilt, affecting the safety of hoisting work. Different sizes and thicknesses of H-shaped steel also need to prepare various hoisting tools, which is not convenient for workers to use in daily work. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of hoisting device of steel structure transport passage to solve the problem of inconvenient installation of hoisting clamp during hoisting and transportation of steel structure in prior art, and the problem of easy loosening and slipping of steel structure during transportation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of hoisting device of steel structure transport passage, including lifting block, the bottom of lifting block is hinged with connecting rod at both ends, one end of two connecting rods is hinged with clamping rod, the bottom of two clamping rods is fixedly connected with support plate, the bottom of lifting block is provided with first limit board, the both ends of first limit board are provided with sliding slot matched with clamping rod, one end of two clamping rods is respectively connected in the inside of two sliding slots, the bottom of first limit board is provided with fixed box, the bottom of fixed box is fixedly connected with rubber friction plate.

[0006] Preferably, the both ends of the fixed box are respectively provided with through holes corresponding to the positions of the two sliding slots, the two clamping rods are respectively located in the two through holes and are in close contact with the inner walls of the two through holes, the inside of the fixed box is provided with two second limit boards, and the inner sides of the two second limit boards are respectively in movable contact with the two clamping rods.

[0007] Preferably, two installation grooves are formed in the inside bottom end of the fixed box, two racks are slidably connected in the inside of the two installation grooves, one end of each of the two racks is fixedly connected with a second limit board, a gear is rotatably installed in the inside of the fixed box, and one side of each of the two racks is meshingly connected with the gear.

[0008] Preferably, the fixed box is internally and fixedly connected with a U-shaped plate, the top of the U-shaped plate is provided with a sliding block, the bottom end of the sliding block penetrates through the U-shaped plate and is in sliding connection with the U-shaped plate, the bottom end of the sliding block is fixedly connected with a worm wheel, the opposite sides of the worm wheel and the gear are fixedly connected with a tooth ring, the top end of the sliding block is provided with a limiting slot, one side of the sliding block is provided with a push rod, one end of the push rod is fixedly connected with a first limiting rod, the first limiting rod is in sliding connection inside the limiting slot, when the two tooth rings are close to each other and meshed, the worm wheel can only rotate counterclockwise and cannot rotate clockwise, so that the second limiting plate cannot move during transportation, thereby limiting the clamping rod, preventing the clamping rod from moving to cause the steel structure to slide during work.

[0009] Preferably, the fixed box is internally and fixedly connected with two sliding rods, the fixed box is internally provided with two moving plates, the two sliding rods penetrate through the two moving plates and are in sliding connection with the two moving plates, the fixed box is rotatably connected with a bidirectional screw rod, the two ends of the bidirectional screw rod penetrate through the two moving plates and are in threaded connection with the two moving plates, and one end of the bidirectional screw rod is fixedly connected with a rotating disc.

[0010] Preferably, one end of each of the two moving plates is hingedly connected with a clamping strip, one side of each of the two clamping rods is provided with a tooth groove matched with the clamping strip, one end of each of the two moving plates is fixedly connected with two second limiting rods, and the tooth groove is located between the two second limiting rods. The second limiting rod below the tooth groove makes the tooth groove always inclined.

[0011] Preferably, one side of each of the two lifting blocks is fixedly connected with a positioning rod and a sleeve rod, one end of the positioning rod penetrates through the sleeve rod and is in sliding connection with the sleeve rod, the top of the sleeve rod is provided with a bolt, and the top of each of the positioning rod and the sleeve rod is provided with a bolt hole matched with the bolt. The top of each of the two lifting blocks is fixedly connected with a lifting ring.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、the bidirectional screw rod rotates to make the two moving plates close to each other, so that the clamping strip on one side of the moving plate is in contact with the tooth groove, when the front end of the clamping strip enters the clamping teeth inside the tooth groove, the tooth groove limits the clamping strip, the bidirectional screw rod continues to move to make the clamping strip close to one end of the moving plate generate a downward force, at this time, the clamping strip moves the fixed box as a whole downward through the moving plate, so that the bottom of the rubber friction plate is tightly attached to the H steel, preventing the H steel from slipping on the supporting plate during transportation, improving the safety of hoisting work, and at the same time, the device can fix H steels of different thicknesses and sizes, improving the application range of the device.

[0014] 2、The application can make two racks drive the second limiting plate to approach each other and cannot move away through the ratchet wheel, so that the second limiting plate limits the clamping rod during work, prevents the clamping rod at the top from moving when the lifting device shakes during work, causes the device to loosen and slip, and causes the device to tilt and even fall, and improves the safety of the device lifting work. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a fixed box internal structure schematic view of the utility model;

[0017] Figure 3 It is an installation groove structure schematic view of the utility model;

[0018] Figure 4 It is a push rod structure schematic view of the utility model;

[0019] Figure 5 It is a clamping strip structure schematic view of the utility model.

[0020] Marked number in drawing: 1, hoist block; 2, connecting rod; 3, clamping rod; 4, support plate; 5, first limiting plate; 6, fixed box; 7, rubber friction plate; 8, sliding rod; 9, moving plate; 10, two-way threaded rod; 11, rotating disc; 12, clamping strip; 13, tooth groove; 14, rack; 15, installation groove; 16, second limiting plate; 17, U-shaped plate; 18, sliding block; 19, limiting groove; 20, push rod; 21, first limiting rod; 22, ratchet wheel; 23, gear; 24, gear ring; 25, positioning rod; 26, sleeve rod; 27, bolt; 28, second limiting rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment: as Figure 1 - Figure 5The utility model provides a kind of hoisting device of steel structure transport passage, including lifting block 1, lifting block 1 bottom both ends are hinged with connecting rod 2, two connecting rods 2 one end are hinged with clamping rod 3, two clamping rods 3 bottom end are fixedly connected with support plate 4, lifting block 1 bottom is provided with first limit plate 5, first limit plate 5 both ends are provided with the sliding slot compatible with clamping rod 3, two clamping rods 3 one end are slidably connected in two sliding slots, first limit plate 5 bottom is provided with fixed box 6, fixed box 6 bottom is fixedly connected with rubber friction plate 7.

[0023] Fixed box 6 both ends are provided with the through-hole corresponding with the position of two sliding slots, two clamping rods 3 are located inside two through-holes and are matched with two through-hole inner walls, two second limit plates 16 are provided in fixed box 6, and two second limit plates 16 inner sides are movably contacted with two clamping rods 3.

[0024] Two installation grooves 15 are formed in the bottom end of the inside of fixed box 6, a rack 14 is slidably connected in the inside of two installation grooves 15, two racks 14 one end are fixedly connected with two second limit plates 16, a gear wheel 23 is rotatably installed in the inside of fixed box 6, and two racks 14 one side are meshingly connected with gear wheel 23.

[0025] U-shaped plate 17 is fixedly connected in the inside of fixed box 6, sliding block 18 is arranged on the top of U-shaped plate 17, sliding block 18 bottom end penetrates U-shaped plate 17 and is slidably connected with U-shaped plate 17, Jing wheel 22 is fixedly connected with the opposite side of gear wheel 23, and the opposite side of Jing wheel 22 and gear wheel 23 is fixedly connected with gear ring 24, limit slot 19 is formed in the top of sliding block 18, push rod 20 is arranged on the side of sliding block 18, first limit rod 21 is fixedly connected with the one end of push rod 20, and first limit rod 21 is slidably connected in the inside of limit slot 19, when two gear rings 24 are close to each other and meshingly connected, Jing wheel 22 makes gear wheel 23 only anticlockwise rotate and cannot clockwise rotate, so that second limit plate 16 cannot move in the process of transportation, so that clamping rod 3 is limited, to prevent that clamping rod 3 moves and causes steel structure to slide during work.

[0026] Two sliding rods 8 are fixedly connected in the inside of fixed box 6, two movement plates 9 are arranged in the inside of fixed box 6, two sliding rods 8 all penetrate two movement plates 9 and are slidably connected with two movement plates 9, bidirectional screw rod 10 is rotatably connected in the inside of fixed box 6, two ends of bidirectional screw rod 10 penetrate two movement plates 9 and are screw-connected with two movement plates 9, and one end of bidirectional screw rod 10 is fixedly connected with rotating disc 11.

[0027] The bottom of one end of the two moving plates 9 is hingedly connected with a clamping strip 12, one side of the two clamping rods 3 is provided with a tooth groove 13 matched with the clamping strip 12, one end of the two moving plates 9 is fixedly connected with two second limiting rods 28, the tooth groove 13 is located between the two second limiting rods 28, and the tooth groove 13 is always inclined through the second limiting rod 28 below the tooth groove 13.

[0028] The opposite sides of the two lifting blocks 1 are fixedly connected with a positioning rod 25 and a sleeve rod 26 respectively, one end of the positioning rod 25 penetrates through the sleeve rod 26 and is slidably connected with the sleeve rod 26, the top of the sleeve rod 26 is provided with a latch 27, the top of the positioning rod 25 and the sleeve rod 26 is provided with a hole matched with the latch 27, and the top of the two lifting blocks 1 is fixedly connected with a lifting ring.

[0029] It should be noted that the utility model is a kind of hoisting device for steel structure transport passage, when working, first, the two first limiting rods 21 of the device are connected to lifting equipment through lifting ring, lifting equipment hoists the device and moves to the top of H steel, then gradually lowers down, when fixed box 6 contacts with H steel, it rises and contacts with first limiting plate 5, lifting block 1 moves downward, at this time, the clamping rod 3 on the two sides of lifting block 1 is away from each other under the action of lifting block 1 descending, when lifting block 1 is completely lowered, the clamping rod 3 and support plate 4 on the two sides of the device are located on the two sides of the flange of H steel, then the device is hoisted, lifting block 1 rises under the action of gravity, two clamping rods 3 are pulled to each other by two connecting rods 2, when the two clamping rods 3 contact with the two sides of the flange of H steel, clamping rod 3 cannot continue to move, at this time, lifting block 1 continues to rise and drives the whole device to rise, then the top of support plate 4 contacts with the bottom of the flange of H steel and supports H steel, so that H steel is hoisted, the rubber friction plate 7 on the bottom of fixed box 6 is always in contact with H steel under the action of its own gravity, then the worker can rotate the rotating disc 11, the rotating disc 11 rotates the bidirectional screw rod 10, the bidirectional screw rod 10 is screwed with the moving plate 9, at this time, the bidirectional screw rod 10 makes the two moving plates 9 close to each other, so that the clamping strip 12 on one side of the moving plate 9 moves to the direction of clamping rod 3 along with the moving plate 9, when the front end of the clamping strip 12 enters the clamping tooth in the inside of the tooth groove 13, at this time, the moving plate 9 continues to move, the tooth groove 13 limits the clamping strip 12, so that the clamping strip 12 close to one end of the moving plate 9 generates downward force, at this time, the clamping strip 12 moves the whole fixed box 6 downward through the moving plate 9, the rubber friction plate 7 contacts with the top of H steel, the fixed box 6 moves downward to compress the rubber friction plate 7, so that the bottom of the rubber friction plate 7 is tightly attached to H steel, so as to fix the hoisted H steel, prevent the phenomenon that H steel slips with support plate 4 in the process of transportation, improve the safety of hoisting work, at the same time, the device can fix H steel of different thickness and size, improve the application range of the device.

[0030] In the process of mutual approaching of the bidirectional threaded rods 10, the bidirectional threaded rods 10 are moved to drive the push rods 20 to move, the push rods 20 are moved to press the limiting grooves 19 through the first limiting rods 21, the sliding blocks 18 are moved downward under the action of the limiting grooves 19, so that the two tooth rings 24 are in contact and engaged with each other, the working mode of the pinwheel 22 is the existing mature technology, so it is not described too much, the two tooth rings 24 at the bottom of the pinwheel 22 are engaged with each other, so that the gear 23 can only rotate counterclockwise, the gear 23 is engaged and connected between the two racks 14, the two racks 14 can only drive the second limiting plates 16 to approach each other and cannot move away through the pinwheel 22, so that the second limiting plates 16 limit the clamping rods 3 during work, prevent the clamping rods 3 at the top from moving when the hoisting device shakes during hoisting work, cause the device to clamp the fixed H steel to be loose and slip, and cause the device to tilt and even fall, improve the safety of the device during hoisting work.

[0031] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized 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 instead of the above description, and 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 involved claims.

Claims

1. A lifting device for a steel structure transport corridor, comprising a lifting block (1), characterized in that: The lifting block (1) bottom both ends are hinged with connecting rods (2), one end of two connecting rods (2) are hinged with clamping rods (3), the bottom of two clamping rods (3) are fixedly connected with support plates (4), the bottom of lifting block (1) is provided with first limiting plate (5), both ends of first limiting plate (5) are provided with sliding groove matched with clamping rod (3), one end of two clamping rods (3) is respectively connected in two sliding grooves, the bottom of first limiting plate (5) is provided with fixed box (6), the bottom of fixed box (6) is fixedly connected with rubber friction plate (7).

2. A lifting device for a steel structure transport corridor according to claim 1, characterized in that: Both ends of the fixed box (6) are provided with through holes corresponding to the positions of the two sliding grooves, and the two clamping rods (3) are located in the two through holes and are fitted with the inner walls of the two through holes, and the inside of the fixed box (6) is provided with two second limiting plates (16), and the inner sides of the two second limiting plates (16) are in movable contact with the two clamping rods (3) respectively.

3. A lifting device for a steel construction transport corridor according to claim 2, characterized in that: The inside bottom of the fixed box (6) is provided with two installation grooves (15), and the inside of the two installation grooves (15) is slidably connected with two racks (14), and one end of the two racks (14) is fixedly connected with two second limiting plates (16) respectively, and the inside of the fixed box (6) is rotatably connected with a gear (23), and one side of the two racks (14) is meshingly connected with the gear (23).

4. A lifting device for a steel construction transport corridor according to claim 3, characterized in that: The inside of the fixed box (6) is fixedly connected with a U-shaped plate (17), the top of the U-shaped plate (17) is provided with a sliding block (18), the bottom of the sliding block (18) penetrates through the U-shaped plate (17) and is slidably connected with the U-shaped plate (17), the bottom of the sliding block (18) is fixedly connected with a pinwheel (22), one side of the pinwheel (22) and the gear (23) is fixedly connected with a gear ring (24), the top of the sliding block (18) is provided with a limiting groove (19), one side of the sliding block (18) is provided with a push rod (20), one end of the push rod (20) is fixedly connected with a first limiting rod (21), and the first limiting rod (21) is slidably connected in the limiting groove (19).

5. A lifting device for a steel structure transport corridor according to claim 1, characterized in that: The inside of the fixed box (6) is fixedly connected with two sliding rods (8), the inside of the fixed box (6) is provided with two movement plates (9), the two sliding rods (8) penetrate through the two movement plates (9) and are slidably connected with the two movement plates (9), the inside of the fixed box (6) is rotatably connected with a bidirectional screw rod (10), the two ends of the bidirectional screw rod (10) penetrate through the two movement plates (9) and are threadedly connected with the two movement plates (9), and one end of the bidirectional screw rod (10) is fixedly connected with a rotating disc (11).

6. A lifting device for a steel construction transport corridor according to claim 5, characterized in that: One end bottom of two movement plates (9) is hinged with a clamping strip (12), one side of two clamping rods (3) is provided with a gear slot (13) matched with the clamping strip (12), and one end of two movement plates (9) is fixedly connected with two second limiting rods (28).

7. A lifting device for a steel structure transport corridor according to claim 1, characterized in that: Two opposite sides of the lifting block (1) are respectively fixedly connected with a positioning rod (25) and a sleeve rod (26), one end of the positioning rod (25) penetrates through the sleeve rod (26) and is in sliding connection with the sleeve rod (26), the top of the sleeve rod (26) is provided with a latch (27), the top of the positioning rod (25) and the top of the sleeve rod (26) are both provided with a plug hole matched with the latch (27), and the top of the two lifting blocks (1) is fixedly connected with a lifting ring.

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