CN117003135A - Novel nimble efficient engineering machine tool cutting machine finished product is off line hoist and mount device - Google Patents

Abstract

The invention discloses a novel flexible and efficient finished product offline hoisting device of an engineering machinery cutting machine, which belongs to the technical field of hoisting and comprises a movable counterweight part, wherein a containing cavity capable of increasing and decreasing a counterweight is arranged in the counterweight part, the top of the counterweight part is a vertical supporting pipe with an upward adjustable elongation, a cantilever frame is rotatably arranged on the side edge of the top of the vertical supporting pipe, a lifting hook capable of lifting is arranged at one end of the cantilever frame far away from the vertical supporting pipe, and a driving device is arranged on the cantilever frame and drives the lifting hook to move up and down; the movable counterweight component is arranged, so that the cutter can be conveniently and rapidly carried, the rotary vertical supporting pipe is arranged on the counterweight component, the placing position of the cutter is conveniently and rapidly regulated, the lifting of the lifting hook is driven by the driving device on the cantilever frame, and the cutter can be rapidly and accurately lifted, so that a large amount of labor force is liberated, the cutter can be rapidly carried, the safety of operators is ensured, and the accident occurrence during manual carrying is greatly reduced.

Description

A new type of flexible and efficient lifting device for off-line finished products of engineering machinery cutting machines

Technical field

The invention relates to the field of hoisting technology, and specifically to a new flexible and efficient hoisting device for off-line finished products of engineering machinery cutting machines.

Background technique

The cutting machine for construction engineering machinery is mainly used for cutting materials on hard ground such as concrete and cement. Its main working principle is that the output shaft pulley of the engine (gasoline engine or diesel engine) inputs power to the cutter shaft pulley through the belt, and the cutter shaft pulley directly The blade is driven to perform cutting construction operations, and the cutting speed of the blade is adjusted according to the transmission ratio of the two pulleys.

When the engineering machinery cutting machine is assembled on the factory production line, since 95% of the cutting machine is assembled from iron materials, it is very heavy. A single Q450/Q480 cutting machine weighs about 75kg. It needs to be taken off the line. It takes two or three people to work together to lift the cutting machine to the bottom of the assembly line. It is very labor-intensive, takes a long time, and is inefficient. It increases the labor time cost of the factory. Moreover, when workers work at this intensity for a long time, it is easy to cause damage. The worker's body becomes unwell and causes damage to the worker's body.

Currently, most cutting machine manufacturers on the market still have no effective solution to this problem, making it very inconvenient for operators to operate.

The patent document CN112125132A discloses a lifting device for replacing carbide molds, which includes a lifting suspension frame, a counterweight, and a universal wheel. A threaded hole is provided on the hanging fixed plate and a lifting screw is engaged and connected; the lifting screw is The upper end is fixed with a safety limit plate; the lower end of the lifting screw is rotationally connected to the motor fixture through a hanging rotating bearing. Its adjustment accuracy can be guaranteed, but the entire device cannot rotate effectively, and the stability after adjustment cannot be effectively guaranteed. .

Contents of the invention

The purpose of the present invention is to provide a new type of flexible and efficient lifting device for off-line lifting of finished products of engineering machinery cutting machines, so as to solve the problem that manual handling in the prior art is time-consuming and labor-intensive and easily causes the risk of injury.

In order to achieve the above objectives, the present invention is achieved by adopting the following technical solution: a new type of flexible and efficient lifting device for off-line lifting of finished engineering machinery cutting machine products, including a movable counterweight component with a built-in counterweight that can increase or decrease the weight. In the accommodation cavity, the top of the counterweight component has a vertical support tube that can adjust the elongation vertically upward, and a cantilever frame is installed on the top side of the vertical support tube, and an adjustable cantilever frame is installed on one end of the cantilever frame away from the vertical support tube. The lifting hook is installed with a driving device on the cantilever frame, and the driving device drives the hook to move up and down.

The counterweight component includes a bottom plate and a top plate. Surrounding plates are connected and fixed around the bottom plate and the top plate. A plurality of running wheels are arranged in a matrix at the bottom of the bottom plate. A cover plate is movably installed at the opening on the top plate.

A vertical pole is fixed on one side panel of the top plate opening, and a rotary spring is installed on the vertical pole. One end of the rotary spring is fixedly connected to the vertical pole, and the other end is fixedly connected to the cover plate. The cover plate rotates to cover the opening of the top plate.

An adjusting sleeve is fixed on the top plate, and the connecting flange at the bottom of the adjusting sleeve is fixed to the top plate through bolts, and a No. 2 nut is rotated on the top of the adjusting sleeve. The outer wall of the vertical support tube is provided with threads, and the vertical support The pipe is threadedly connected to the No. 2 nut. The No. 1 nut is threadedly installed on the vertical support pipe. The No. 1 nut rotates and abuts the No. 2 nut.

The adjusting sleeve is also provided with a limiting component to fix the No. 1 nut and the No. 2 nut. The limiting component includes a mounting block fixed on the adjusting sleeve. The through hole on the mounting block is provided with a limited Position rod, the side surface of the No. 1 nut facing the No. 2 nut is provided with a plurality of No. 1 limit holes in a circumferential array, and the side surface of the No. 2 nut is provided with a plurality of No. 2 limit holes in a circumferential array. hole, one end of the limit rod is passed through the No. 2 limit through hole and the No. 1 limit hole, and the other end passes through the through hole section of the installation block and is covered with a spring. One end of the spring is connected to the installation block, and the other end is connected to the limit rod. .

There are two support plates installed at a distance up and down the vertical support tube, and a central shaft is fixed between the two support plates. The upper and lower ends of the central shaft are equipped with a No. 1 bearing, a No. 2 bearing, a No. 1 bearing, and a No. 2 bearing in sequence. A rotating sleeve is installed on the outer ring with an interference fit, and the cantilever frame is fixedly connected to the rotating sleeve.

The driving device includes a motor and a support plate installed at intervals at the bottom of the cantilever frame, and the end of the output shaft of the motor is rotationally connected to the support plate. A take-up rope is tied to the output shaft of the motor, and the take-up rope is connected to a hook.

A boost handle is also installed on the counterweight component.

A boost handle is also installed on the counterweight component.

According to the above technical solution, the present invention has the following effects:

The invention is equipped with a walking counterweight component to facilitate the transfer of the device and to transport the cutting machine. A rotating vertical support tube is installed on the counterweight component, which can be opened to a position where the cutting machine can be conveniently adjusted. The cantilever frame is driven by The device drives the lifting and lowering of the hook to lift the cutting machine quickly and accurately. This device frees up a large amount of labor and enables rapid transportation of the cutting machine. It also ensures the safety of workers and greatly reduces accidents during manual transportation;

In addition, the elongation of the vertical support tube in the device can be adjusted. Through the design of the two nuts with the adjustment sleeve and the limit component, the relative rotation of the adjustment sleeve and the No. 2 nut drives the support tube up and down, and is locked by the No. 1 nut. In addition, in order to ensure the stability of the support rod, the limiter uses an elastically set limit rod to plug into the holes in the No. 2 nut and No. 1 nut. It is simple to operate and easy to use, which can enhance the adaptability of the device and facilitate the handling of sizes of different heights. harvester.

Description of the drawings

Figure 1 is an overall structural diagram of the present invention;

Figure 2 is an enlarged view of point A in Figure 1;

Figure 3 is a direction-finding cross-sectional view of the present invention;

Figure 4 is an enlarged view of B in Figure 3;

Figure 5 is a structural diagram of the present invention from another perspective;

Figure 6 is a top structural view of the present invention.

Among them: 1 suspension frame, 2 limit rod, 3 motor, 4 lifting control handle, 5 hook, 6 support plate, 8 No. 1 nut, 9 No. 2 nut, 10 mounting block, 11 rotating sleeve, 13 stiffening plate , 16 support plate, 17 spring, 18 vertical support tube, 19 adjustment sleeve, 20 flange reinforcement, 22 running wheel, 23 boost handle, 24 top plate, 25 bottom plate, 26 enclosure plate, 27 flap, 28 central axis , 29 No. 1 bearing, 30 No. 2 bearing.

Implementation

In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with specific implementation modes.

As shown in Figures 1 to 6, the present invention discloses a new type of flexible and efficient lifting device for off-line lifting of finished engineering machinery cutting machine products, which includes a movable counterweight component, and the counterweight component is equipped with an accommodation cavity that can increase or decrease the counterweight. Body, the top of the counterweight component has a vertical support tube 18 that can adjust the elongation vertically upward, and a cantilever frame 1 is installed on the top side of the vertical support tube 18, and the cantilever frame 1 is installed at one end away from the vertical support tube 18 There is a liftable hook 5, and the suspension frame 1 is equipped with a driving device, and the driving device drives the hook 5 to move up and down.

Referring to Figures 1 and 5, the bottom of the device in the figure is the counterweight component. The counterweight component includes a bottom plate 25 and a top plate 24. The bottom plate 25 and the top plate 24 are all connected and fixed with enclosures 26 around them, and the bottom plate 25 is The bottom matrix is provided with a plurality of running wheels 22, and a cover 27 is movably installed at the opening on the top plate 24. When in use, open the cover 27 and put in a counterweight object of matching weight in parallel. The counterweight object can be such as fine sand. , gravel, lead, etc.

Regarding the design of the movable cover 27, a vertical pole is fixed on one side of the opening of the top plate 24, and a rotary spring is installed on the vertical pole. One end of the rotary spring is fixedly connected to the vertical pole, and the other end is fixedly connected to the cover 27, so The cover 27 rotates to cover the opening of the top plate 24. When in use, the cover 27 can be quickly opened by moving upward. At this time, a counterweight object is added or removed into the cavity of the counterweight component. When the worker lets go, under the yield force of the rotary spring The cover 27 can be closed automatically, which is convenient for use, prevents the loss of counterweight objects and prevents debris from entering the cavity of the counterweight component.

An adjusting sleeve 19 is fixed on the top plate 24. The connecting flange at the bottom of the adjusting sleeve 19 is fixed to the top plate 24 through bolts. The connecting flange and the adjusting sleeve 19 are evenly and equidistantly welded with multiple flanges for reinforcement. The rib 20, the top of the adjusting sleeve 19 is rotated with a No. 2 nut 9, and the outer wall of the vertical support pipe 18 is provided with threads. The vertical support pipe 18 is threadedly connected to the No. 2 nut 9, and the vertical support pipe 18 is threadedly connected to the No. 1 nut 9. Nut 8, the No. 1 nut 8 rotates to abut the No. 2 nut 9, rotate the No. 2 nut 9 and the vertical support tube 18 relatively to drive the vertical support tube 18 to move up and down, and then rotate the No. 1 nut 8 until it reaches a suitable height. The No. 8 nut 8 tightly presses the No. 2 nut 9.

Observe Figure 2, the adjusting sleeve 19 is also provided with a limiting component to fix the No. 1 nut 8 and the No. 2 nut 9. The limiting component includes a mounting block 10 fixed on the adjusting sleeve 19. The mounting block A limit rod 2 is inserted through the through hole on 10. A plurality of No. 1 limit holes are arranged in a circular array on the side surface of the No. 1 nut 8 facing the No. 2 nut 9. The side surface of the No. 2 nut 9 is A plurality of No. 2 limit through holes are provided in a circumferential array on the surface. One end of the limit rod 2 is passed through the No. 2 limit through holes and the No. 1 limit hole, and the other end is inserted through the through hole section of the mounting block 10. There is a spring 17, one end of the spring 17 is connected to the installation block 10, and the other end is connected to the limit rod 2. When in use, pull the limit rod 2 so that the top of the limit rod 2 exposes the bottom of the No. 1 limit hole. At this time, the No. 2 nut 9 can be relatively rotated. , adjust the sleeve 19 to adjust the extension of the adjusting sleeve 19; turn the No. 1 nut 8 to fit the No. 2 nut 9. At this time, insert the upper end of the limit rod 2 into the corresponding No. 1 limit hole in turn. and in the No. 2 limit through hole. In order to facilitate the fixation of the limit rod 2 during actual use, a collar can be installed at the lower end of the limit rod 2. After the limit rod 2 is pulled, a protruding column is located at the critical position of the adjusting sleeve 19, and the collar is sleeved on the protruding column. Limit limit lever 2.

Two support plates 16 are installed up and down on the vertical support tube 18, and a central shaft 28 is fixed between the two support plates 16. The upper and lower ends of the central shaft 28 are successively installed with a No. 1 bearing 29 and a No. 2 bearing 30. The outer rings of the No. 1 bearing 29 and the No. 2 bearing 30 are installed with a rotating sleeve 11 with an interference fit. The cantilever frame 1 is fixedly connected to the rotating sleeve 11 to ensure the strength of the structure. Further, there are support plates 16 and vertical supports at the lower part. Stiffening rib plates 13 are welded between the tubes 18 , and the stiffening rib plates 13 are also welded between the cantilever frame 1 and the rotating sleeve 11 .

The driving device includes a motor 3 and a support plate 6 installed at a distance from the bottom of the suspension frame 1, and the end of the output shaft of the motor 3 is rotatably connected to the support plate 6. A winding rope is tied to the output shaft of the motor 3, and the winding rope is connected to the output shaft of the motor 3. The coiled rope is connected to the hook 5; in order to facilitate the installation of the motor 3, an I-shaped steel structure rod is used as the suspension frame 1. This type of suspension frame 1 is provided with flanges on the side to facilitate the installation of the motor 3 and the support plate 6 using bolts. The motor 3 is connected to the lifting control handle 4 through a long cable.

In some embodiments, a boost handle 23 is also installed on the counterweight component to facilitate the functional movement of the device.

Specific use:

1) According to the height of the production line and the height of the cutting machine, pull down the limit lever 2, and relatively rotate the No. 2 nut 9 and the vertical support tube 18 to control the elongation of the vertical support tube 18 until it is sufficient for use, then turn the No. 1 Tighten the nut 8 to contact the No. 2 nut 9, and then insert the upper end of the limit rod 2 into the No. 1 limit hole and the No. 2 limit through hole;

2) The cavity surrounded by the top plate 24, the bottom plate 25, and the four side panels 26 needs to be filled with sand, gravel, etc. as the counterweight of the entire device. The weight of the counterweight is determined according to the total amount of the cutting machine to be lifted. The design The analysis and calculation of force and moment must be strictly carried out, which is the basis of safety. The filling of the counterweight is realized by flipping the cover plate 27;

3) By operating the lifting control handle 4, the hook 5 can be extended or shortened, that is, the up and down movement of the hoisted cutting machine can be controlled;

4) When the hoisted cutting machine needs to be rotated, it can be achieved by gently pushing the cutting machine in a circumferential direction. The cantilever beam 1, motor 3, and the hoisted cutting machine perform circular rotation around the central axis 28 through the rotating bearing, so that This can make full use of the rotation space during the transfer process;

5) When long-distance transportation is required, the operator can push the boost handle 23. Due to the existence of the universal running wheels 22, the direct beneficial effect is that the hoisted object can be transported over long distances, which is very convenient;

6) Through this device, the operator's comfort and the convenience of off-line transfer of the cutting machine can be greatly improved, making it more labor-saving, flexible and efficient.

It is known from common technical knowledge that the present invention can be implemented by other embodiments without departing from its spirit or essential characteristics. Therefore, the above-disclosed embodiments are in all respects illustrative and not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims (8)

1. Novel nimble efficient engineering machine tool cutting machine finished product is off line hoist device, a serial communication port, including mobilizable counter weight part, establish the holding cavity of multiplicable counter weight in the counter weight part, perpendicular stay tube (18) of the vertical upward adjustable extension in counter weight part top, and perpendicular stay tube (18) top side rotates installs cantilever beam frame (1), cantilever beam frame (1) keep away from one end of perpendicular stay tube (18) and install liftable lifting hook (5), and cantilever beam frame (1) installs drive arrangement, drive arrangement drive lifting hook (5) reciprocates.

2. The novel flexible and efficient finished product offline hoisting device for the engineering machinery cutting machine is characterized in that the counterweight part comprises a bottom plate (25) and a top plate (24), the periphery of the bottom plate (25) and the periphery of the top plate (24) are connected and fixed with coamings (26), a plurality of travelling wheels (22) are arranged on a bottom matrix of the bottom plate (25), and a cover plate (27) is movably mounted at an opening part on the top plate (24).

3. The novel flexible and efficient finished product offline hoisting device for the engineering machinery cutting machine is characterized in that a vertical rod is fixed on one side panel of an opening of the top plate (24), a rotary spring is installed on the vertical rod, one end of the rotary spring is fixedly connected with the vertical rod, the other end of the rotary spring is fixedly connected with the cover plate (27), and the cover plate (27) rotationally covers the opening of the top plate (24).

4. The novel flexible and efficient finished product offline hoisting device for the engineering machinery cutting machine is characterized in that an adjusting sleeve (19) is fixed on a top plate (24), a connecting flange at the bottom of the adjusting sleeve (19) is fixed on the top plate (24) through bolts, a second nut (9) is rotatably arranged at the top of the adjusting sleeve (19), threads are arranged on the outer wall of the vertical supporting tube (18), the vertical supporting tube (18) is connected with the second nut (9) in a threaded fit manner, a first nut (8) is mounted on the vertical supporting tube (18) in a threaded fit manner, and the first nut (8) is rotatably abutted to the second nut (9).

5. The novel flexible and efficient finished product offline hoisting device for the engineering machinery cutting machine is characterized in that a limiting component is further arranged on the adjusting sleeve (19) to fix a first nut (8) and a second nut (9), the limiting component comprises a mounting block (10) fixed on the adjusting sleeve (19), a limiting rod (2) is arranged in a penetrating hole in the mounting block (10), a plurality of first limiting holes are formed in a circumferential array on one side surface of the first nut (8) facing the second nut (9), a plurality of second limiting holes are formed in a circumferential array on the side surface of the second nut (9), one end of the limiting rod (2) penetrates through the second limiting holes and the first limiting holes, the other end of the limiting rod penetrates out of the mounting block (10) and is sleeved with a spring (17), one end of the spring (17) is connected with the mounting block (10), and the other end of the spring is connected with the limiting rod (2).

6. The novel flexible and efficient finished product offline hoisting device for the engineering machinery cutting machine is characterized in that two supporting plates (16) are installed at the upper and lower intervals of the vertical supporting tube (18), a central shaft (28) is fixed between the two supporting plates (16), a first bearing (29), a second bearing (30), a first bearing (29) and a second bearing (30) are sequentially installed at the upper end and the lower end of the central shaft (28), a rotating sleeve (11) is installed in an interference fit mode on the outer ring of the cantilever frame (1) and the rotating sleeve (11) are fixedly connected.

7. The novel flexible and efficient finished product offline hoisting device for the engineering machinery cutting machine is characterized in that the driving device comprises a motor (3) and a supporting plate (6) which are installed at the bottom of a cantilever beam frame (1) at intervals, the end part of an output shaft of the motor (3) is rotationally connected with the supporting plate (6), a winding rope is connected onto an output shaft of the motor (3) in a binding mode, and the winding rope is connected with a lifting hook (5).

8. The novel flexible and efficient finished product offline hoisting device for the engineering machinery cutting machine according to any one of claims 1-7, wherein a boosting handle (23) is further installed on the counterweight component.