CN218968728U

CN218968728U - Novel tilting type A-shaped frame suitable for ultrahigh crane

Info

Publication number: CN218968728U
Application number: CN202223556050.7U
Authority: CN
Inventors: 徐蒋桐; 何建军; 龚国林; 熊金锅; 张丽
Original assignee: Jiangsu Hantong Yingji Heavy Industry Co ltd
Current assignee: Jiangsu Hantong Yingji Heavy Industry Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-05
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a novel tilting type A-shaped frame applicable to the field of crane accessories, which is applied to the field of crane accessories.

Description

Novel tilting type A-shaped frame suitable for ultrahigh crane

Technical Field

The application relates to the field of crane accessories, in particular to a novel tilting type A-shaped frame suitable for an ultrahigh crane.

Background

The super-high crane is a multi-action hoisting machine capable of vertically hoisting and horizontally carrying heavy objects within a certain range, and the self-height of the super-high crane is greatly improved compared with that of a common crane, so that the super-high crane has a wider working range and is generally used for loading and unloading large-scale cargos at ports and wharfs.

The super-high crane in the prior art is generally arranged in an integral fixed structure, and the gravity center of the super-high crane is higher due to the fact that the height of the super-high crane is higher, and the integral fixed A-frame enables the super-high crane to be difficult to flexibly adjust to reduce the gravity center height in the use process, so that the super-high crane can shake and deflect easily when in a transferring position, and the risk of overturning is more likely to occur when severe weather is met.

Therefore, a novel tilting type A-shaped frame suitable for an ultrahigh crane is provided to solve the problems, and the A-shaped frame is folded and folded through overturning so as to reduce the gravity center height of the A-shaped frame.

Disclosure of Invention

This application aim at solves the A-frame upset of hoist among the prior art and adjusts inconvenience, leads to the super high hoist focus higher, the problem of overturning when removing or strong wind bad weather easily, compare prior art and provide a novel can empty formula A-frame that is applicable to super high hoist, including the main support, the lower extreme fixed mounting of main support has the shaft hole, the upper end fixed mounting of main support has the fixed axle of horizontal setting, and articulated on the fixed axle have the connecting block, fixed mounting has the auxiliary stand that upwards extends on the connecting block, the appearance of main support sets up to trapezium structure, the appearance of auxiliary stand sets up to triangle-shaped structure, main support cooperation auxiliary stand constitutes A-shaped structure, install the hydraulic pressure pushing component of the upset of control auxiliary stand between main support and the auxiliary stand.

Through rotating the auxiliary support and installing the upper end at the main support to with the help of hydraulic pressure pushing subassembly control auxiliary support upset, make the auxiliary support use the fixed axle as the rotation axle center, the upset is fallen down and is laminated on the main support, is favorable to reducing the whole height of device, reduces the focus, makes the super high hoist of installing the device can remove the transportation more steadily.

Further, the hydraulic pushing assembly comprises a middle-arranged rod rotatably arranged on the fixed shaft, the main support is hinged with a hydraulic cylinder a, the telescopic end of the hydraulic cylinder a is hinged to the middle-arranged rod, the middle-arranged rod is hinged with a hydraulic cylinder b, and the telescopic end of the hydraulic cylinder b is hinged to the auxiliary support.

Further, the connecting block and the main support are positioned on the same plane, and the auxiliary support is welded and fixed on the back of the connecting block.

Optionally, the upper end back fixed mounting of main support has the I-beam that transversely sets up, and the laminating of I-beam is in the connecting block rear, installs on the I-beam is close to the one side end wall of connecting block and touches pressure sensor.

Further, the front surface of the upper end of the main support is fixedly provided with a sleeve, a limiting block is arranged in the sleeve in a sliding mode, the limiting block is attached to the front side of the connecting block after sliding upwards, the front surface of the upper end of the main support is fixedly provided with a hydraulic cylinder c located below the limiting block, and the telescopic end of the hydraulic cylinder c is fixedly connected with the bottom of the limiting block.

Further, the front surface of the upper end of the main support is fixedly provided with a stop plate movably sleeved on the outer side of the telescopic end of the hydraulic cylinder c, the stop plate is attached to the bottom of the limiting block, and a touch pressure sensor is also arranged on the end wall of one side, close to the limiting block, of the stop plate.

Compared with the prior art, the advantage of this application lies in:

(1) This application is through installing the upper end at the main support with vice support rotation to with the help of hydraulic pressure promotes the upset of subassembly control vice support, make vice support use the fixed axle as the rotation axle center, the laminating is emptyd in the downward upset on the main support, is favorable to reducing the whole height of device, reduces the focus, makes the super high hoist of installing the device can remove the transportation more steadily.

(2) Through with put the pole in articulated on the fixed axle to with pneumatic cylinder a articulated between main support and put the pole in, with pneumatic cylinder b articulated between auxiliary support and put the pole, can control pneumatic cylinder a and pneumatic cylinder b and start in proper order, realize the upset control to auxiliary support in two steps, avoid adopting single pneumatic cylinder control auxiliary support upset and lead to the telescopic stroke of pneumatic cylinder too big, be favorable to guaranteeing the stable security in the device working process.

(3) The main support and the auxiliary support are connected and supported through the connecting blocks, so that the auxiliary support is positioned at the rear of the main support, dislocation control can be carried out when the auxiliary support is overturned, and the close distance between the auxiliary support and the main support after the auxiliary support is overturned is further improved.

(4) Through being provided with I-beam fixed mounting at the upper end back of main support, can support the connecting block in the device normal use, be favorable to promoting the atress upper limit when auxiliary support supports, promoted the structural stability in the device use to a certain extent, simultaneously, through will touching the pressure sensor and install on the I-beam, can monitor the position of connecting block, be favorable to guaranteeing the auxiliary support upset of device during operation and put in place.

(5) The limiting block is arranged to slide upwards and then is supported on the front surface of the connecting block, and the I-beam is matched to clamp and limit the front surface and the back surface of the connecting block, so that the structural stability and firmness between the main support and the auxiliary support in the working process of the device are further improved.

(6) Through will touching pressure sensor and install on the end baffle, can detect the reset condition of stopper, when the end baffle is last touching pressure sensor and not detecting the stopper, this device can't drive hydraulic pressure and promote the subassembly, is favorable to avoiding the maloperation to lead to the backstop that receives the stopper in the auxiliary stand upset process, has promoted the safety in utilization of device to a certain extent.

Drawings

FIG. 1 is a perspective view of the present application in an expanded state;

FIG. 2 is a schematic diagram of the structure at A in FIG. 1;

FIG. 3 is a perspective view of the present application in a stowed state;

fig. 4 is a perspective view of the present application in a flattened state.

The reference numerals in the figures illustrate:

1. a main support; 101. a shaft hole; 102. a fixed shaft; 103. a connecting block; 104. a sub-bracket; 2. a middle rod; 201. a hydraulic cylinder a; 202. a hydraulic cylinder b; 3. an I-beam; 4. a sleeve; 401. a limiting block; 402. a hydraulic cylinder c; 403. a stop plate.

Detailed Description

The embodiments will be described in detail and throughout the specification with reference to the drawings, wherein, based on the embodiments in the application, all other embodiments obtained by persons skilled in the art without making creative efforts are within the scope of protection of the application.

Example 1:

the utility model provides a novel tilting type A-shaped frame suitable for an ultrahigh crane, referring to fig. 1-4, the tilting type A-shaped frame comprises a main frame 1, a shaft hole 101 is fixedly arranged at the lower end of the main frame 1, a transversely arranged fixed shaft 102 is fixedly arranged at the upper end of the main frame 1, a connecting block 103 is hinged on the fixed shaft 102, an upward extending auxiliary frame 104 is fixedly arranged on the connecting block 103, the appearance of the main frame 1 is arranged into a trapezoid structure, the appearance of the auxiliary frame 104 is arranged into a triangle structure, the main frame 1 is matched with the auxiliary frame 104 to form an A-shaped structure, and a hydraulic pushing assembly for controlling the auxiliary frame 104 to turn over is arranged between the main frame 1 and the auxiliary frame 104.

In the use process of the device, a worker installs the device on a crane, so that a shaft hole 101 is hinged on a shaft seat of the crane, the main support 1 is connected with a driving structure on the crane, the deflection inclination of the main support 1 is controlled by taking the shaft hole 101 as a rotation shaft center through the driving structure on the crane, such as a hydraulic cylinder type structure, and in the use process, the worker needs to connect a hydraulic pushing assembly with a hydraulic machine on the crane to drive the hydraulic pushing assembly to work.

Referring to fig. 1 and 2, the hydraulic pushing assembly includes a central rod 2 rotatably mounted on a fixed shaft 102, a hydraulic cylinder a201 is hinged on a main bracket 1, a telescopic end of the hydraulic cylinder a201 is hinged on the central rod 2, a hydraulic cylinder b202 is hinged on the central rod 2, and a telescopic end of the hydraulic cylinder b202 is hinged on a sub bracket 104.

When the hydraulic pushing assembly is started to control the overturning of the auxiliary bracket 104, the hydraulic cylinder b202 can be controlled to shrink in the process of folding and retracting, so that the auxiliary bracket 104 rotates around the fixed shaft 102 to be close to the middle-arranged rod 2, when the auxiliary bracket 104 overturns to a preset position, the hydraulic cylinder a201 is controlled to shrink, so that the middle-arranged rod 2 carries the auxiliary bracket 104 to overturn close to the main bracket 1, the overturning control of the auxiliary bracket 104 is realized step by step, and similarly, the overturning and unfolding processes of the auxiliary bracket 104 are realized in the same way as described above, the overturning and unfolding processes of the auxiliary bracket 104 are realized through step operation, the middle-arranged rod 2 is hinged on the fixed shaft 102, the hydraulic cylinder a201 is hinged between the main bracket 1 and the middle-arranged rod 2, the hydraulic cylinder b202 is hinged between the auxiliary bracket 104 and the middle-arranged rod 2, the hydraulic cylinder a201 and the hydraulic cylinder b202 can be controlled to be sequentially started, the overturning control of the auxiliary bracket 104 is realized in two steps, the overturning control of the auxiliary bracket 104 is avoided, the telescopic travel of the hydraulic cylinder is controlled by adopting a single hydraulic cylinder, the stability and safety in the working process of the device is guaranteed.

Referring to fig. 2 and 3, the connection block 103 and the main support 1 are located on the same plane, the auxiliary support 104 is welded and fixed on the back of the connection block 103, and the device supports the main support 1 and the auxiliary support 104 by means of the connection block 103 in use, so that the auxiliary support 104 is located at the rear of the main support 1, dislocation control can be performed when the auxiliary support 104 is turned over, and the close distance between the auxiliary support 104 and the main support 1 after the auxiliary support 104 is turned over is further improved.

Example 2:

the utility model provides a novel tilting type A-shaped frame suitable for an ultrahigh crane, referring to fig. 1-4, an I-shaped beam 3 which is transversely arranged is fixedly arranged on the back surface of the upper end of a main support 1, the I-shaped beam 3 is attached to the rear of a connecting block 103, a touch pressure sensor is arranged on the end wall of one side of the I-shaped beam 3, which is close to the connecting block 103, and the device can support the connecting block 103 in the normal use process of the device by being fixedly arranged on the back surface of the upper end of the main support 1, thereby being beneficial to lifting the upper limit of stress when a secondary support 104 supports the device, improving the structural stability of the device in the use process to a certain extent, and simultaneously, the position of the connecting block 103 can be monitored by installing the touch pressure sensor on the I-shaped beam 3, so that the secondary support 104 can be turned over to a proper position in the working process of the device is guaranteed.

Referring to fig. 2 and 3, a sleeve 4 is fixedly installed on the front surface of the upper end of the main bracket 1, a limiting block 401 is slidably installed in the sleeve 4, the limiting block 401 is attached to the front side of the connecting block 103 after sliding upwards, a hydraulic cylinder c402 located below the limiting block 401 is fixedly installed on the front surface of the upper end of the main bracket 1, and the telescopic end of the hydraulic cylinder c402 is fixedly connected with the bottom of the limiting block 401.

Referring to fig. 1 and 3, a stop plate 403 movably sleeved on the outer side of the telescopic end of a hydraulic cylinder c402 is fixedly installed on the front surface of the upper end of a main bracket 1, the stop plate 403 is attached to the bottom of a stop block 401, a touch pressure sensor is also installed on one side end wall of the stop plate 403, which is close to the stop block 401.

The foregoing is merely a preferred embodiment of the present application, which is to be taken in conjunction with the actual demands, but the scope of the present application is not limited thereto.

Claims

1. The utility model provides a novel tilting type A frame suitable for super high hoist, includes main support (1), its characterized in that, the lower extreme fixed mounting of main support (1) has shaft hole (101), the upper end fixed mounting of main support (1) has fixed axle (102) of horizontal setting, and articulates on fixed axle (102) has connecting block (103), fixed mounting has auxiliary support (104) that upwards extends on connecting block (103), the appearance of main support (1) sets up to trapezium structure, the appearance of auxiliary support (104) sets up to triangle-shaped structure, main support (1) cooperation auxiliary support (104) constitute A font structure, install the hydraulic pressure pushing assembly of control auxiliary support (104) upset between main support (1) and auxiliary support (104).

2. The novel tilting type A-frame suitable for the ultrahigh crane according to claim 1, wherein the hydraulic pushing assembly comprises a middle-mounted rod (2) rotatably mounted on a fixed shaft (102), a hydraulic cylinder a (201) is hinged on the main support (1), the telescopic end of the hydraulic cylinder a (201) is hinged on the middle-mounted rod (2), a hydraulic cylinder b (202) is hinged on the middle-mounted rod (2), and the telescopic end of the hydraulic cylinder b (202) is hinged on the auxiliary support (104).

3. The novel tilting type A-frame suitable for the ultrahigh crane according to claim 1, wherein the connecting block (103) and the main support (1) are positioned on the same plane, and the auxiliary support (104) is welded and fixed on the back of the connecting block (103).

4. The novel tilting type A-shaped frame suitable for the ultrahigh crane according to claim 1, wherein an I-shaped beam (3) which is transversely arranged is fixedly arranged on the back of the upper end of the main support (1), the I-shaped beam (3) is attached to the rear of the connecting block (103), and a touch pressure sensor is arranged on the end wall, close to one side of the connecting block (103), of the I-shaped beam (3).

5. The novel tilting type A-shaped frame suitable for the ultrahigh crane according to claim 4, wherein the front surface of the upper end of the main support (1) is fixedly provided with a sleeve (4), a limiting block (401) is slidably arranged in the sleeve (4), the limiting block (401) is attached to the front of the connecting block (103) after sliding upwards, the front surface of the upper end of the main support (1) is fixedly provided with a hydraulic cylinder c (402) positioned below the limiting block (401), and the telescopic end of the hydraulic cylinder c (402) is fixedly connected with the bottom of the limiting block (401).

6. The novel tilting type A-shaped frame suitable for the ultrahigh crane according to claim 5, wherein a stop plate (403) movably sleeved outside the telescopic end of the hydraulic cylinder c (402) is fixedly arranged on the front surface of the upper end of the main bracket (1), the stop plate (403) is attached to the bottom of the limiting block (401), and a touch pressure sensor is also arranged on the end wall of one side, close to the limiting block (401), of the stop plate (403).