CN211545741U - A self-elevating tower crane using elevator guide rails - Google Patents

Abstract

The utility model discloses a self-elevating tower crane utilizing elevator guide rails, comprising an elevator shaft and a floor. The elevator guide rails are fixedly connected to both sides of the inner cavity of the elevator shaft, and the inner cavity of the elevator shaft is provided with a tower crane main body. Both sides of the elevator are fixedly connected with a slider used in conjunction with the elevator guide rail. The side of the slider away from the tower crane main body penetrates into the inner cavity of the elevator guide rail. The utility model is provided with a supporting casing, a load-bearing casing, a rotating rod, a connecting plate, a first screw rod, a driven bevel gear, a driving bevel gear, a screw sleeve, a hydraulic cylinder, a first biaxial motor, a through groove, a support block, The second biaxial motor, the second screw rod and the support base solve the problem of the continuous removal and installation of the bearing structure, which greatly increases the time required for construction, and there are certain safety hazards in manual installation and removal, which reduces the safety of tower cranes. sexual issues.

Description

A self-elevating tower crane using elevator guide rails

technical field

The utility model relates to the technical field of tower cranes, in particular to a self-elevating tower crane utilizing elevator guide rails.

Background technique

Tower cranes are the most commonly used lifting equipment on construction sites, also known as "tower cranes". As raw materials for construction such as corrugated, concrete, and steel pipes, tower cranes are an indispensable equipment on the construction site. For example, the Chinese patent discloses "a self-elevating tower crane using elevator guide rails", patent number: 201710038417.0, its self-elevating The working process is: install a horizontal well frame on the floor surface of the second floor slab B, use a horizontal strut to pass through the tower to become a horizontal strut and place it on the horizontal well frame; remove the horizontal well frame on the first floor, Relax the hydraulic clamp, raise the piston of the hydraulic system, gradually raise the whole tower crane to a typical height, at the same time clamp the guide rail with the hydraulic clamp, clamp the tower with the horizontal well frame, and complete the climbing work. The continuous dismantling and installation of the bearing structure greatly increases the time required for construction, and there are certain safety hazards in manual installation and disassembly, which reduces the safety of the tower crane.

Utility model content

The purpose of the utility model is to provide a self-elevating tower crane using elevator guide rails, which has the advantage of being able to manually control the lifting and lowering of the tower crane remotely, solves the problem of constantly dismantling and installing the bearing structure, greatly increasing the time required for construction, and There are certain safety hazards in manual installation and disassembly, which reduces the safety of tower cranes.

In order to achieve the above purpose, the utility model provides the following technical solutions: a self-elevating tower crane utilizing elevator guide rails, comprising elevator shafts and floors, both sides of the inner cavity of the elevator shafts are fixedly connected with elevator guide rails, and the elevator shafts The inner cavity of the tower crane is provided with a tower crane main body, the two sides of the tower crane main body are fixedly connected with a slider for use with the elevator guide rail, and the side of the slider away from the tower crane main body penetrates to the inner cavity of the elevator guide rail, and the tower crane main body The bottom of the back surface is fixedly connected with a support shell, the front and rear sides of the two sides of the support shell are vertically provided with through grooves, and the center of the bottom of the inner cavity of the support shell is fixedly connected with a support base. The top of the base is fixedly connected with a first biaxial motor, the output end of the first biaxial motor is fixedly connected with a rotating rod, and a driving bevel gear is sleeved on the surface of the rotating rod and on the side away from the first biaxial motor , the tops of the front and rear sides of the inner cavity of the support shell are provided with first screws, the opposite sides of the two first screws in the transverse direction are sleeved with driven bevel gears, and the surface of the first screws is sleeved with screw sleeves, The top of the opposite side of the two screw sleeves is fixedly connected with a connecting plate, the bottom of the connecting plate and the side away from the first screw rod is fixedly connected with a hydraulic cylinder, and the bottom of the back surface of the main body of the tower crane is located at the top of the support shell A load-bearing casing is fixedly connected, a second biaxial motor is fixedly connected to the center of the bottom of the inner cavity of the load-bearing casing, and a second screw rod is fixedly connected to the output end of the second biaxial motor, and the surface of the second screw rod is fixedly connected. A support block is sleeved in the inner cavity of the load-bearing shell, and a buffer plate is arranged on the top of the floor.

Preferably, the surface of the slider is slidably connected with the inner wall of the elevator guide rail, and the inner ring of the driving bevel gear is in interference fit with the surface of the rotating rod.

Preferably, the number of the first screws is four, and the screw threads on the surfaces of the two lateral first screws are opposite to each other.

Preferably, the inner ring of the driven bevel gear is in interference fit with the surface of the first screw, and the surface of the first screw is threadedly connected to the connection of the screw sleeve.

Preferably, the surface of the second screw is threadedly connected to the connection of the support block, the surface of the support block is slidably connected to the inner wall of the load-bearing housing, and the top of the buffer plate is provided with a hexagon socket head bolt. The bottom runs through the floor.

Preferably, a first support rod is movably sleeved on the surface of the rotating rod, a second support rod is movably sleeved on both sides of the first screw rod, and the bottoms of the first support rod and the second support rod are connected to the support rod. The bottom of the inner cavity of the housing is fixedly connected.

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

1. The utility model is equipped with a support shell, a load-bearing shell, a rotating rod, a connecting plate, a first screw, a driven bevel gear, a driving bevel gear, a screw sleeve, a hydraulic cylinder, a first biaxial motor, a through slot, a support The block, the second biaxial motor, the second screw and the support base solve the problem of the continuous dismantling and installation of the bearing structure, which greatly increases the time required for construction, and there are certain safety hazards in manual installation and disassembly, reducing the cost of Tower crane safety issues.

2. By setting the slider, the utility model can slide in the elevator guide rail to prevent the main body of the tower crane from shaking during the rising process. By setting the buffer plate, it can play the role of buffer protection and prevent the hydraulic cylinder or the support block from damaging the surface of the floor. , By setting the first support rod and the second support rod, the rotating rod and the first screw can be stably supported respectively. By setting the connecting plate, it can play the role of connecting the hydraulic cylinder and the screw sleeve, and in the hydraulic cylinder When extending, it contacts with the top of the inner cavity of the through groove and plays a supporting role.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top sectional view of the supporting shell structure of the present invention;

Fig. 3 is the top sectional view of the load-bearing housing structure of the utility model;

FIG. 4 is a front cross-sectional view of the supporting shell structure of the present invention.

In the figure: 1 elevator shaft, 2 tower crane main body, 3 support shell, 4 elevator guide rail, 5 floor, 6 buffer plate, 7 load-bearing shell, 8 slider, 9 rotating rod, 10 connecting plate, 11 first screw, 12 Driven bevel gear, 13 drive bevel gear, 14 screw sleeve, 15 hydraulic cylinder, 16 first biaxial motor, 17 through slot, 18 support block, 19 second biaxial motor, 20 second screw, 21 support base.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-4, a self-elevating tower crane using elevator guide rails, including elevator shaft 1 and floor 5, elevator guide rails 4 are fixedly connected to both sides of the inner cavity of the elevator shaft 1, and the inner cavity of the elevator shaft 1 is provided with The tower crane main body 2, the two sides of the tower crane main body 2 are fixedly connected with the slider 8 used in conjunction with the elevator guide rail 4, and the side of the slider 8 away from the tower crane main body 2 penetrates to the inner cavity of the elevator guide rail 4. The inner wall of the elevator guide rail 4 is slidably connected. By setting the slider 8, it can slide in the elevator guide rail 4 to prevent the tower crane main body 2 from shaking during the rising process. The bottom of the back surface of the tower crane main body 2 is fixedly connected with a support shell 3. The front and rear sides of the two sides of the body 3 are vertically opened with through grooves 17, the center of the bottom of the inner cavity of the support shell 3 is fixedly connected with a support base 21, and the top of the support base 21 is fixedly connected with a first biaxial motor 16. A rotating rod 9 is fixedly connected to the output end of the first biaxial motor 16 . The surface of the rotating rod 9 and the side away from the first biaxial motor 16 is sleeved with a driving bevel gear 13 , and the inner ring of the driving bevel gear 13 is connected to the rotating rod. The surface of 9 is interference fit. The tops of the front and rear sides of the inner cavity of the support shell 3 are provided with first screws 11. By setting the threads of the two lateral first screws 11 in opposite directions, the two lateral screw sleeves 14 can be moved to the right or left at the same time, and the opposite side of the two lateral first screws 11 is sleeved with a driven bevel gear 12 , the inner ring of the driven bevel gear 12 is in interference fit with the surface of the first screw 11, the surface of the first screw 11 is sleeved with a screw sleeve 14, the surface of the first screw 11 and the connection of the screw sleeve 14 are threadedly connected, and the two A connecting plate 10 is fixedly connected to the top of the opposite side of each screw sleeve 14. By setting the connecting plate 10, the hydraulic cylinder 15 and the screw sleeve 14 can be connected. The top of the cavity is in contact and plays a supporting role. The bottom of the connecting plate 10 and the side away from the first screw 11 are fixedly connected with a hydraulic cylinder 15. The surface of the rotating rod 9 is movably sleeved with a first support rod. The first screw 11 Both sides are movably sleeved with second support rods, and the bottoms of the first support rod and the second support rod are fixedly connected to the bottom of the inner cavity of the support shell 3. By setting the first support rod and the second support rod, the The rotating rod 9 and the first screw 11 are respectively stably supported. The bottom of the back surface of the tower crane main body 2 and the top of the support shell 3 are fixedly connected with a load-bearing shell 7, and the center of the bottom of the inner cavity of the load-bearing shell 7 is fixed. A second biaxial motor 19 is fixedly connected, the output end of the second biaxial motor 19 is fixedly connected with a second screw 20, and a support block 18 is sleeved on the surface of the second screw 20 and located in the inner cavity of the load-bearing housing 7. The surface of the two screws 20 is screwed to the connection point of the support block 18, the surface of the support block 18 is slidably connected to the inner wall of the load-bearing housing 7, the top of the floor 5 is provided with a buffer plate 6, and the top of the buffer plate 6 is provided with a hexagon socket. The bottom of the bolt, the bottom of the hexagon socket head bolt penetrates the floor 5, and the buffer plate 6 is provided to play the role of buffer protection , to prevent the hydraulic cylinder 15 or the support block 18 from damaging the surface of the floor 5, by setting the support housing 3, the load-bearing housing 7, the rotating rod 9, the connecting plate 10, the first screw 11, the driven bevel gear 12, and the driving bevel gear 13 , screw sleeve 14, hydraulic cylinder 15, first biaxial motor 16, through slot 17, support block 18, second biaxial motor 19, second screw 20 and support base 21, which solves the problem of constantly removing the bearing structure and Installation greatly increases the time required for construction, and manual installation and disassembly have certain safety hazards, which reduces the safety of tower cranes.

When in use, according to the height between floors, choose and install the support shell 3 and the load-bearing shell 7, so that the height between the bottom of the support shell 3 and the bottom of the load-bearing shell 7 is equal to the height of the floor. The buffer plate 6 is fixed on the top of the floor 5. After the construction of the first floor is completed, the first biaxial motor 16 is controlled to work by the peripheral controller, so that the rotating rod 9 rotates forwardly, which drives the driving bevel gear 13 to rotate forwardly, so that the driven cone rotates forwardly. The rotation of the gear 12 drives the first screw 11 to rotate, so that the threaded sleeve 14 gradually moves outward, and drives the connecting plate 10 to move outward, so that the hydraulic cylinder 15 moves outward, and the hydraulic cylinder 15 moves out to the top of the buffer plate 6 through the through groove 17 , and contact with the top of the buffer plate 6. After the movement is completed, the hydraulic cylinder 15 is controlled by the peripheral controller to extend, so that the support shell 3 moves upward, and drives the tower crane main body 2 to move upward, so that the load-bearing shell 7 moves upward, and the rise is completed. After that, the second biaxial motor 19 is controlled to work by the peripheral controller, so that the second screw 20 is rotated, so that the support block 18 is gradually moved outward, so that the bottom of the support block 18 is in contact with the top of the second-layer buffer plate 6 to realize For stable support, the hydraulic cylinder 15 is controlled to shrink by the peripheral controller. After the contraction is completed, the first biaxial motor 16 is controlled by the peripheral controller to work, so that the rotating rod 9 is reversed, so that the hydraulic cylinder 15 moves inward and enters the support The inner cavity of the shell 3, at this time, the bottom of the support shell 3 and the top of the second-layer buffer plate 6 are at the same level, and the second-layer construction can be performed. After the second-layer construction is completed, repeat the above process to realize the tower crane lifting construction.

All kinds of components used in this application document are standard parts, which can be purchased from the market. The specific connection methods of each part adopt conventional methods such as mature bolts, rivets and welding in the prior art. The conventional models in the prior art are used, the devices appearing in this article are powered by 380V voltage, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

To sum up, the self-elevating tower crane using the elevator guide rail is provided with the support casing 3, the load-bearing casing 7, the rotating rod 9, the connecting plate 10, the first screw 11, the driven bevel gear 12, and the driving bevel gear 13. , screw sleeve 14, hydraulic cylinder 15, first biaxial motor 16, through groove 17, support block 18, second biaxial motor 19, second screw 20 and support base 21, which solves the problem of constantly removing the bearing structure and The installation greatly increases the time required for construction, and there are certain safety hazards in manual installation and disassembly, which reduces the safety of the tower crane.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. a self-elevating tower crane utilizing elevator guide rails, comprising elevator shafts (1) and floors (5), characterized in that: both sides of the inner cavity of the elevator shafts (1) are fixedly connected with elevator guide rails (4) The inner cavity of the elevator shaft (1) is provided with a tower crane main body (2), and both sides of the tower crane main body (2) are fixedly connected with a slider (8) used in conjunction with the elevator guide rail (4). The side of the slider (8) away from the tower crane main body (2) penetrates into the inner cavity of the elevator guide rail (4), the bottom of the back surface of the tower crane main body (2) is fixedly connected with a support shell (3), the support shell Through grooves (17) are vertically opened on both sides of the body (3) at the front and rear sides, and a support base (21) is fixedly connected to the center of the bottom of the inner cavity of the support shell (3), and the support base ( 21) A first biaxial motor (16) is fixedly connected to the top, the output end of the first biaxial motor (16) is fixedly connected to a rotating rod (9), and the surface of the rotating rod (9) is far from the One side of a biaxial motor (16) is sleeved with a driving bevel gear (13), and the tops of the front and rear sides of the inner cavity of the support housing (3) are provided with first screws (11), two horizontal first screws (11) A driven bevel gear (12) is sleeved on the opposite side of the screw (11), a screw sleeve (14) is sleeved on the surface of the first screw (11), and the tops of the opposite sides of the two screw sleeves (14) are sleeved A connecting plate (10) is fixedly connected, and a hydraulic cylinder (15) is fixedly connected to the bottom of the connecting plate (10) and away from the first screw (11), and the bottom of the back surface of the tower crane main body (2) is A load-bearing casing (7) is fixedly connected to the top of the support casing (3), and a second biaxial motor (19) is fixedly connected to the center of the bottom of the inner cavity of the load-bearing casing (7). A second screw (20) is fixedly connected to the output end of the shaft motor (19), and a support block (18) is sleeved on the surface of the second screw (20) and located in the inner cavity of the load-bearing housing (7). The top of the floor (5) is provided with a buffer plate (6). 2. A self-elevating tower crane utilizing elevator guide rails according to claim 1, characterized in that: the surface of the slider (8) is slidably connected to the inner wall of the elevator guide rail (4), and the drive bevel gear ( The inner ring of 13) has an interference fit with the surface of the rotating rod (9). 3. A self-elevating tower crane utilizing elevator guide rails according to claim 1, characterized in that: the number of the first screws (11) is four, and the threads on the surfaces of the two transverse first screws (11) The direction of rotation is opposite. 4. A self-elevating tower crane utilizing elevator guide rails according to claim 1, characterized in that: the inner ring of the driven bevel gear (12) is in interference fit with the surface of the first screw (11), so The surface of the first screw (11) is screwed to the connection point of the screw sleeve (14). 5. A self-elevating tower crane utilizing elevator guide rails according to claim 1, characterized in that: the surface of the second screw (20) is threadedly connected to the connection of the support block (18), and the support block The surface of (18) is slidably connected to the inner wall of the load-bearing housing (7). The top of the buffer plate (6) is provided with hexagon socket head bolts, and the bottom of the hexagon socket head bolts penetrates the floor (5). 6. A self-elevating tower crane utilizing elevator guide rails according to claim 1, characterized in that: the surface of the rotating rod (9) is movably sleeved with a first support rod, and the first screw rod (11) Second support rods are movably sleeved on both sides of the support rod, and the bottoms of the first support rod and the second support rod are fixedly connected with the bottom of the inner cavity of the support casing (3).

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