Tunneling type tower crane supporting device
By designing a tunneling tower crane support device, a hydraulic system and a threaded lifting structure are used to penetrate deep into the soil, increasing the ground contact area. This solves the problem of slippage or displacement of the support parts of the tower crane on the ground, and improves the stability and safety of the tower crane.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-24
AI Technical Summary
Existing tower crane support devices cannot reliably prevent the support parts from sliding or shifting on the ground, resulting in insufficient stability.
A tunneling tower crane support device was designed. It is connected to the tower crane base through a fixed seat and uses components such as a fixed arm, fixed cylinder, lifting cylinder and tunneling drill bit, combined with a hydraulic system and threaded lifting structure to achieve deep soil tunneling. The ground contact area is increased by positioning hydraulic cylinder and positioning nail to ensure the stability of the support.
It improves the overall stability of tower cranes, reduces the risk of tilting and collapse, adapts to different ground conditions, and ensures safe operation on high wind speeds or uneven ground.
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Figure CN224030535U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tower crane support technical field, concretely is a kind of tunneling tower crane support device. BACKGROUND
[0002] The utility model relates to the technical field, and tower crane support device is indispensable equipment in building construction, and its main function is to enhance the stability and security of tower crane.By providing additional support force, these devices can effectively disperse load, prevent tilting or collapse due to wind, vibration and other external factors, so as to ensure the safety of construction process.Tower crane support device plays a vital protective role when operating in high altitude, reduces the probability of accident occurrence, and guarantees the life safety of construction personnel.
[0003] In addition, tower crane support device also improves construction efficiency.By enhancing the stability of tower crane, safety hazards in construction process are effectively eliminated, so as to reduce downtime due to safety problems.In some special or complex construction environment, such as high wind speed or uneven ground, support device can help tower crane better adapt to site conditions, ensure the smooth progress of engineering.Therefore, tower crane support device is not only an important guarantee for safe operation of tower crane, but also a key factor to improve construction quality and efficiency.
[0004] The existing technical scheme supports on ground, cannot reliably prevent the technical problem of sliding or deviation of support part. UTILITY MODEL CONTENT
[0005] In view of the deficiency of prior art, the utility model provides a kind of tunneling tower crane support device, solves the technical problem that the existing technical scheme supports on ground, cannot reliably prevent the technical problem of sliding or deviation of support part.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a tunneling tower crane support device, comprising a fixed base for connecting to the tower crane base, a pair of fixed arms fixedly mounted on the fixed base for extending the support radius of the support structure and providing better support torque for the tower crane, a fixed cylinder rotatably mounted at one end between the pair of fixed arms, the fixed cylinder being swingable for easy retraction, and when the lifting cylinder is fully retracted into the fixed cylinder, the fixed cylinder can swing and retract between the fixed arms, a lifting cylinder slidably mounted inside the fixed cylinder, and a threaded lifting structure installed between the fixed cylinder and the lifting cylinder, the threaded lifting structure cooperating with a rotating tunneling drill bit to allow the equipment to tunnel into the ground for more stable support, a tunneling drill bit rotatably mounted at the lower end of the lifting cylinder, and a positioning hydraulic cylinder mounted at the lower end of the lifting cylinder, a positioning pin fixedly mounted at the telescopic end of the positioning hydraulic cylinder, after the tunneling reaches the maximum or required distance, the telescopic end of the positioning hydraulic cylinder extends, causing the positioning pin to penetrate into the soil, further increasing the contact area with the ground and enhancing the fixing effect.
[0007] Preferably, a hydraulic motor is fixedly installed at the lower end of the lifting cylinder, and the drive end of the hydraulic motor is fixedly installed at one end of the tunneling drill bit. A hydraulic pump is fixedly installed on one side wall of one of the pair of fixed arms. The output end of the hydraulic pump is connected to the control end of the hydraulic motor and the positioning hydraulic cylinder through a control pipe. The hydraulic motor is a type of hydraulic motor, which is an actuator in a hydraulic system. It converts the liquid pressure energy provided by the hydraulic pump into the mechanical energy (torque and speed) of its output shaft. Liquid is the medium for transmitting force and motion. The control pipe is a spiral tube, which can be stretched and automatically contracted without affecting the control effect on the hydraulic motor and the positioning hydraulic cylinder. The hydraulic pump first controls the hydraulic motor to rotate and tunnel, and stops after reaching the specified depth. Then, it controls the extension end of the positioning hydraulic cylinder to extend, so that the positioning nail penetrates into the soil.
[0008] Preferably, a swing motor is fixedly installed on one side wall of one of the pair of fixed arms. The drive end of the swing motor is fixedly connected to the side wall of the fixed cylinder. The swing motor controls the swinging and receiving of the fixed cylinder, or swings it to the support working position.
[0009] Preferably, the threaded lifting structure includes a lifting motor, which is fixedly installed inside the upper end of the fixed cylinder. A threaded rod is fixedly installed on the drive end of the lifting motor, and a threaded sleeve is fixedly installed inside the lifting cylinder. The threaded sleeve is threadedly connected to the threaded rod. The lifting motor drives the threaded rod to rotate, which causes the threaded sleeve to drive the lifting cylinder to rise and fall. This, in conjunction with the rotation of the tunneling drill bit, completes the tunneling process.
[0010] Preferably, a guide key is fixedly installed on the side wall surface of the lifting cylinder, a guide groove is formed in the fixed cylinder, and the guide key is slidingly installed in the guide groove to assist the sliding of the lifting cylinder in the fixed cylinder.
[0011] Preferably, a reinforcing rib is fixedly installed on the outer wall surface of the fixed cylinder to increase the strength of the device.
[0012] Preferably, a mounting flange is formed in the fixed seat, and a reinforcing plate is fixedly installed between the mounting flange and a pair of the fixed arms to be more firmly mounted with the tower crane.
[0013] Beneficial effects
[0014] The utility model provides a kind of tunneling type tower crane supporting device, the utility model is connected with the base of tower crane by fixed seat, in combination with the design of fixed arm, the device can effectively extend the support radius of support structure, to provide better support torque, improve the overall stability of tower crane, reduce the risk of inclination and collapse;The device is deeply into soil by tunneling drill bit, and the contact area with ground is increased by the cooperation of positioning hydraulic cylinder and positioning nail, to ensure that support part is not easy to slide or deviate, solve the problem of instability in the prior art;The device can realize tunneling to land by the cooperation of screw lifting structure and lifting motor, adapt to different ground conditions, and ensure safe operation under special conditions such as high wind speed or uneven ground. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the main view structural schematic drawing of the utility model discloses a kind of tunneling type tower crane supporting device.
[0016] Figure 2 It is the main view sectional structure schematic drawing of the utility model discloses a kind of tunneling type tower crane supporting device.
[0017] Figure 3 It is the side view structural schematic drawing of the utility model discloses a kind of tunneling type tower crane supporting device.
[0018] Figure 4 It is the main view sectional structure schematic drawing of the utility model discloses a kind of tunneling type tower crane supporting device.
[0019] In the drawing: 1, fixed seat;2, fixed arm;3, fixed cylinder;4, lifting cylinder;5, tunneling drill bit;6, positioning hydraulic cylinder;7, positioning nail;8, hydraulic motor;9, hydraulic pump;10, swing motor;11, lifting motor;12, threaded sleeve;13, guide key;14, guide groove;15, reinforcing rib;16, mounting flange;17, reinforcing plate;18, threaded rod; DETAILED DESCRIPTION
[0020] For further illustrating the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the technical solutions in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. The detailed description is as follows.
[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of tunneling type tower crane supporting device, including fixed seat 1, fixed seat 1 is used to and tower crane base connection, fixedly installed with a pair of fixed arm 2 on the fixed seat 1, fixed arm 2 is used to extend the support radius of supporting structure, provide better support torque for tower crane, one end of a pair of the fixed arm 2 is rotatably installed with fixed cylinder 3, fixed cylinder 3 can swing, it is convenient to accommodate, when lifting cylinder 4 is completely shrunk into fixed cylinder 3, fixed cylinder 3 can swing and be received between a bunch of fixed arm 2, lifting cylinder 4 is slidably installed in the fixed cylinder 3, screw lifting structure is installed between the fixed cylinder 3 and the lifting cylinder 4, by screw lifting structure cooperation rotation tunneling tunneling drill bit 5, so that equipment can tunnel to land, it is convenient to support more stably, the lower end of the lifting cylinder 4 is rotatably installed with tunneling drill bit 5, the lower end of the lifting cylinder 4 is installed with positioning hydraulic cylinder 6, the telescopic end of the positioning hydraulic cylinder 6 is fixedly installed with positioning nail 7, after tunneling reaches maximum distance or required distance, the telescopic end of the positioning hydraulic cylinder 6 is elongated, so that positioning nail 7 is pierced into soil, further increase the contact area with ground, increase fixed effect.
[0022] The embodiment is further provided that the lower end of the lifting cylinder 4 is fixedly installed with hydraulic motor 8, the driving end of the hydraulic motor 8 is fixedly installed on one end of the tunneling drill bit 5, one side wall surface of one of the pair of fixed arms 2 is fixedly installed with hydraulic pump 9, the output end of the hydraulic pump 9 is connected to the control end of the hydraulic motor 8 and the positioning hydraulic cylinder 6 through control pipe, the hydraulic motor 8 is a kind of hydraulic motor, hydraulic motor is a kind of execution element of hydraulic system, it converts the liquid pressure energy provided by hydraulic pump 9 into mechanical energy (torque and rotational speed) of its output shaft.Liquid is the medium of force and motion, control pipe is spiral pipe, can be stretched and automatically contracted, and will not affect the control effect of hydraulic motor and positioning hydraulic cylinder 6, hydraulic pump 9 first controls the rotation of hydraulic motor 8 to tunnel, stops after reaching specified depth, then controls the telescopic end of the positioning hydraulic cylinder 6 to elongate, so that positioning nail 7 is pierced into soil.
[0023] The embodiment is further provided that one side wall surface of one of the pair of fixed arms 2 is fixedly installed with swing motor 10, the driving end of the swing motor 10 is fixedly connected to the side wall surface of the fixed cylinder 3, swing motor 10 controls the swing of fixed cylinder 3 to accommodate, or swing to support working position.
[0024] In this embodiment, the threaded lifting structure includes a lifting motor 11, which is fixedly installed inside the upper end of the fixed cylinder 3. A threaded rod 18 is fixedly installed on the driving end of the lifting motor 11. A threaded sleeve 12 is fixedly installed inside the lifting cylinder 4. The threaded sleeve 12 is threadedly connected to the threaded rod 18. The lifting motor 11 drives the threaded rod 18 to rotate, which causes the threaded sleeve 12 to drive the lifting cylinder 4 to rise and fall. This, in conjunction with the rotation of the tunneling drill bit 5, completes the tunneling motion process.
[0025] In this embodiment, the guide key 13 is fixedly installed on the side wall of the lifting cylinder 4, and a guide groove 14 is opened in the fixed cylinder 3. The guide key 13 is slidably installed in the guide groove 14 to assist the lifting cylinder 4 in sliding within the fixed cylinder 3.
[0026] In this embodiment, a reinforcing rib 15 is fixedly installed on the outer wall of the fixed cylinder 3 to increase the strength of the equipment.
[0027] In this embodiment, the mounting base 1 is provided with a mounting flange 16, and a reinforcing plate 17 is fixedly installed between the mounting flange 16 and a pair of fixed arms 2 for a more secure installation with the tower crane.
[0028] Its detailed connection methods are well-known technologies in this field; such as Figures 1-4 As shown, the fixed base 1 is securely connected to the tower crane base to ensure the overall structural stability of the equipment and the tower crane. The connection strength between the fixed base 1 and the tower crane base is further enhanced by installing flange 16 and reinforcing plate 17. The hydraulic system, including hydraulic pump 9, hydraulic motor 8, and positioning hydraulic cylinder 6, is checked to ensure that the hydraulic lines are connected correctly, the hydraulic oil is sufficient, and there are no leaks. The swing motor 10 of the fixed boom 2 and the fixed cylinder 3 is confirmed to be working properly, ensuring that the fixed cylinder 3 can swing smoothly to the working position.
[0029] Start the swing motor 10 to swing the fixed cylinder 3 from the receiving position to the supporting working position. Ensure that the fixed cylinder 3 is stable after swinging into place to avoid affecting subsequent operations due to incomplete deployment. Start the lifting motor 11 to drive the threaded rod 18 to rotate, causing the threaded sleeve 12 to push the lifting cylinder 4 downward. At the same time, start the hydraulic motor 8 to drive the tunneling drill bit 5 to rotate, and the drill bit begins to excavate the soil. Control the operation of the lifting motor 11 and the hydraulic motor 8 according to the construction requirements to ensure that the excavation depth reaches the specified requirements. After the excavation is completed, start the positioning hydraulic cylinder 6 to extend the telescopic end of the hydraulic cylinder, so that the positioning pin 7 penetrates into the soil; the positioning pin 7 increases the contact area with the ground, further improving the stability of the support device and preventing slippage or displacement.
[0030] After the construction is completed, the positioning hydraulic cylinder 6 is started to withdraw the positioning nails 7 from the soil. The lifting motor 11 is started to retract the lifting cylinder 4 into the fixed cylinder 3. The swing motor 10 is started to swing the fixed cylinder 3 back to the storage position between the fixed arms 2, facilitating the transportation and storage of the equipment. The various components of the equipment, including the hydraulic system, the threaded lifting structure, the boring bit 5, etc., are checked, and the soil and sundries are cleaned to ensure the cleanliness of the equipment.
[0031] It is to be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions.
[0032] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed as above with the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution range of the present application, and any equivalent embodiments with equivalent changes are equivalent to the above. Any modification, change, equivalent change and modification of the above embodiments, which do not depart from the technical solution of the present application, are still within the scope of the technical solution of the present application.
Claims
1. A jacking tower support device comprising a fixed base (1), characterised in that, The fixed seat (1) is fixedly installed with a pair of fixed arms (2), one end of the pair of fixed arms (2) is rotatably installed with a fixed cylinder (3), the fixed cylinder (3) is slidably installed with a lifting cylinder (4), a threaded lifting structure is installed between the fixed cylinder (3) and the lifting cylinder (4), the lifting cylinder (4) is rotatably installed with a tunneling drill bit (5) at the lower end, the lifting cylinder (4) is installed with a positioning hydraulic cylinder (6) at the lower end, and the positioning hydraulic cylinder (6) is fixedly installed with a positioning nail (7) at the telescopic end.
2. A jacking tower for supporting a tower crane during excavation, according to claim 1, characterised in that The lifting cylinder (4) is fixedly installed with a hydraulic motor (8) at the lower end, the driving end of the hydraulic motor (8) is fixedly installed on one end of the tunneling drill bit (5), one side wall of one of the pair of fixed arms (2) is fixedly installed with a hydraulic pump (9), and the output end of the hydraulic pump (9) is connected to the control end of the hydraulic motor (8) and the positioning hydraulic cylinder (6) through a control pipe.
3. A jacking tower for supporting a tower crane during excavation, according to claim 1, wherein One side wall of one of the pair of fixed arms (2) is fixedly installed with an oscillating motor (10), and the driving end of the oscillating motor (10) is fixedly connected to the side wall of the fixed cylinder (3).
4. A jacking tower for supporting a tower crane during excavation, according to claim 1, wherein The threaded lifting structure comprises a lifting motor (11) fixedly installed at the upper end in the fixed cylinder (3), a threaded rod (18) fixedly installed at the driving end of the lifting motor (11), a threaded sleeve (12) fixedly installed in the lifting cylinder (4), and the threaded sleeve (12) is threadedly connected with the threaded rod (18).
5. A jacking tower for supporting a tower crane during excavation, according to claim 1, wherein The side wall of the lifting cylinder (4) is fixedly installed with a guide key (13), the fixed cylinder (3) is provided with a guide groove (14), and the guide key (13) is slidably installed in the guide groove (14).
6. A jacking tower for supporting a tower crane during excavation, according to claim 1, wherein The outer wall of the fixed cylinder (3) is fixedly installed with a reinforcing rib (15).
7. A jacking tower for supporting a tower crane during excavation, according to claim 1, wherein The fixed seat (1) is provided with a mounting flange (16), and the mounting flange (16) and the pair of fixed arms (2) are fixedly installed with a reinforcing plate (17).