CN219603125U

CN219603125U - Movable counterweight hanging bracket

Info

Publication number: CN219603125U
Application number: CN202320748976.1U
Authority: CN
Inventors: 平景霖
Original assignee: Xuzhou Befeng Machinery Manufacturing Co ltd
Current assignee: Xuzhou Befeng Machinery Manufacturing Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-29
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a movable counterweight hanging bracket, which has the technical scheme that the movable counterweight hanging bracket comprises: the movable opening is formed in one end of the top surface of the bottom plate, the middle end of the bottom plate is provided with a fixed hole, movable lantern rings are fixedly arranged on two sides of the inner wall surface of the fixed hole respectively, the other end of the bottom plate is provided with a stabilizing hole, and a first hydraulic rod is fixedly arranged in the stabilizing hole; the counterweight assembly is arranged below the bottom plate and is used for applying counterweight to an engineering mechanical crane, the counterweight moving distance below the counterweight can be observed through the stabilizing hole, the counterweight is convenient to reasonably balance, the lifting amplitude of the suspension arm can be improved through the hydraulic rod, the working range of the crane is enlarged, the labor cost for carrying the suspended object is reduced, the cost is saved, the working efficiency is improved, meanwhile, a certain supporting effect is achieved when the crane lifts the heavy object, and the crane is safer during construction.

Description

Movable counterweight hanging bracket

Technical Field

The utility model relates to the technical field of engineering machinery cranes, in particular to a movable counterweight hanging bracket.

Background

The crane is a lifting and carrying machine widely used in ports, workshops, electric power, construction sites and other places. The name of the crane is a uniform name of the hoisting machinery. The main components of the crane are usually called car cranes, crawler cranes and tyre cranes. The crane is used in hoisting equipment, emergency, hoisting, machinery and rescue, the main hoisting device of the crane is a hanger, and the crane is used for hoisting a heavy object and moving the heavy object to a designated position.

For example, chinese patent publication No. CN207608241U, a counterweight mobile crane, comprising a crane support platform, further comprising a telescoping arm, a trolley, a gravity centering rod, a first drive and a rope, wherein: the first end part of the telescopic arm is connected with the crane supporting platform, and the second end part of the telescopic arm is provided with a counterweight; the lifting device is arranged above the telescopic arm; the bottom end of the gravity centering rod is rotationally connected with the lifting device; the first driving device is connected with the gravity concentration rod to drive the gravity concentration rod to rotate relative to the lifting device and lock the position of the gravity concentration rod relative to the lifting device; one end of the rope is connected with the telescopic arm, and the other end of the rope passes through the top end of the gravity centering rod to be connected with the lifting device.

The above solution still has the following drawbacks: this movable crane of counter weight has the risk that the counter weight drops, and balancing weight top surface and flexible arm bottom surface are installed, and the balancing weight only has one side to be connected with flexible arm, and when flexible arm release, the counter weight can appear dropping from flexible arm problem, for this reason we propose a movable counter weight gallows.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a movable counterweight hanging bracket, which solves the problem that a counterweight can fall off from a telescopic arm when the telescopic arm is pushed out.

The technical aim of the utility model is realized by the following technical scheme:

a movable weight hanger comprising: the movable opening is formed in one side of the bottom plate, the fixed hole is formed in the middle end of the bottom plate, movable lantern rings are fixedly mounted on two sides of the inner wall surface of the fixed hole respectively, a stable hole is formed in the top surface of the bottom plate, a first hydraulic rod is fixedly sleeved in the stable hole, a movable block and a counterweight component are fixedly mounted on the top surface of the first hydraulic rod, and the counterweight component is arranged below the bottom plate and used for applying counterweights to an engineering mechanical crane.

Through adopting above-mentioned technical scheme, through setting up the stability hole, can observe below balancing weight travel distance through the stability hole, be convenient for reasonable counter weight.

Preferably, the counterweight assembly includes: the two mounting blocks are fixedly mounted on the bottom surface of the bottom plate, the two mounting blocks are mutually close to each other, two sliding grooves are respectively formed in two sides of the bottom plate, a balancing weight is arranged between the two mounting blocks, sliding strips are respectively fixedly mounted on the left side and the right side of the balancing weight, the sliding strips are in sliding clamping connection with the mounting blocks, a pneumatic push rod is fixedly mounted on the bottom surface of the bottom plate, and one end of a telescopic rod of the pneumatic push rod is fixedly mounted on one side of the balancing weight.

Through adopting above-mentioned technical scheme, through setting up the sliding strip, can let the balancing weight steadily remove with the help of pneumatic push rod's thrust in the installation piece through the sliding strip, avoided the balancing weight to appear removing the risk that the process dropped, ensure staff's safety.

Preferably, two movable lantern ring movable sleeves are provided with movable shafts, the outer circular wall surface of each movable shaft is fixedly provided with a main suspension arm, one side of each main suspension arm is fixedly provided with a first guide block, the first guide block is in sliding clamping connection with the movable block, one end of each main suspension arm is fixedly provided with a bearing platform, the top surface of each bearing platform is fixedly provided with a second hydraulic rod, the top end of each second hydraulic rod is fixedly provided with a second sliding block, and the movable sleeve inside each main suspension arm is provided with an auxiliary arm.

Through adopting above-mentioned technical scheme, through setting up the loose axle, can let the main boom rise and fall with the help of the hydraulic stem of No. one through the loose axle, enlarged boom range of motion, improved work efficiency.

Preferably, the top surface fixed mounting of auxiliary arm has two semicircle lantern rings, two be provided with the cantilever crane between the semicircle lantern ring, the left and right sides of cantilever crane is fixed mounting respectively has the balance shaft, the balance shaft with the inside movable sleeve of semicircle lantern ring is established, the cantilever crane passes through two the balance shaft sets up two between the semicircle lantern ring.

Through adopting above-mentioned technical scheme, through setting up the balance shaft, through the balance shaft with let the cantilever crane control rise with the help of No. two hydraulic levers, enlarged the crane and hung the thing scope, avoided the condition of manpower removal hung the thing.

Preferably, two rotating holes are respectively formed in two sides of one end of the arm support, a movable block is arranged between the two rotating holes, rotating shafts are fixedly arranged at two ends of the movable block, the rotating shafts are movably sleeved with the rotating holes, the movable block is arranged between the two rotating holes through two rotating shafts, a contraction rod is fixedly arranged on the top surface of the balancing weight, and the top end of the contraction rod is hinged to the movable block.

Through adopting above-mentioned technical scheme, through setting up the movable block, can let the balancing weight still keep being connected with the cantilever crane through the shrink pole when main boom, auxiliary arm and cantilever crane are movable through the movable block, guaranteed that the balancing weight normally works.

Preferably, a second guide block is fixedly arranged on one side of the arm support, the second guide block is in sliding clamping connection with the second sliding block, and an automatic rope collector is fixedly arranged at one end of the arm support.

Through adopting above-mentioned technical scheme, through setting up No. two guide blocks, through No. two guide blocks with No. two sliding block slip joint can let No. two hydraulic levers promote the cantilever crane activity more freely.

In summary, the utility model has the following advantages: the counter weight subassembly sets up the below of bottom plate is used for applys the counter weight to engineering machine tool crane, through setting up stable hole, can observe below balancing weight travel distance through stable hole, and reasonable counter weight of being convenient for through setting up the sliding strip, can let the balancing weight through the sliding strip in the installation piece with the help of pneumatic push rod's thrust steady removal, has avoided the balancing weight to appear moving the risk that the process dropped, ensures staff's safety.

Through setting up the loose axle, can let the main boom rise and fall with the help of hydraulic rod No. one through the loose axle, the boom range of motion has been enlarged, work efficiency has been improved, through setting up the balance axle, can let the cantilever crane rise and fall with the help of No. two hydraulic rods control through the balance axle, the hoist range of hanging has been enlarged, avoided the condition of manpower removal by hanging the thing, through setting up the movable block, can let the balancing weight still keep being connected with the cantilever crane through the shrink rod when main boom, auxiliary arm and cantilever crane activity through the movable block, guaranteed that the balancing weight normally works, through setting up No. two guide blocks, through No. two guide blocks with No. two sliding block slip joint, can let No. two hydraulic rods promote the cantilever crane activity more freely.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a split construction of the present utility model;

FIG. 3 is a schematic view of the mounting block structure of the present utility model;

fig. 4 is a schematic view of the structure of the base plate of the present utility model.

Reference numerals: 1. a bottom plate; 2. a movable opening; 3. a fixing hole; 4. a movable collar; 5. a stabilizing hole; 6. a hydraulic lever number one; 7. balancing weight; 8. a sliding bar; 9. a mounting block; 10. a sliding groove; 11. a pneumatic push rod; 12. a retracting lever; 13. a main boom; 14. a movable shaft; 15. a pressure-bearing table; 16. a second hydraulic rod; 17. a secondary arm; 18. a semicircular collar; 19. a balance shaft; 20. arm support; 21. a rotation hole; 22. a rotating shaft; 23. a movable block; 24. a moving block; 25. a first guide block; 26. a second sliding block; 27. a second guide block; 28. an automatic rope winding device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a movable counterweight hanger comprises a base plate 1, movable port 2 has been seted up to bottom plate 1 one side, fixed orifices 3 have been seted up to bottom plate 1 middle-end, fixed orifices 3 internal face both sides respectively fixed mounting have movable lantern ring 4, stable orifices 5 have been seted up to bottom plate 1 top surface, the inside fixed cover of stable orifices 5 is equipped with hydraulic rod 6 No. 1, hydraulic rod 6 is for having the structure and does not do not repeating here, the top surface fixed mounting of hydraulic rod 6 has movable block 24, bottom plate 1 below is provided with the counter weight subassembly, be used for applys the counter weight to engineering machinery crane, through setting up stable orifices 5, can observe below balancing weight 7 travel distance through stable orifices 5, be convenient for reasonable counter weight, the counter weight subassembly includes two installation pieces 9, two installation piece 9 fixed mounting are in the bottom surface of bottom plate 1, sliding groove 10 has been seted up respectively to the both sides that two installation pieces 9 are close to each other, be provided with balancing weight 7 between two installation pieces 9, the left and right sides of balancing weight 7 respectively fixed mounting has slide bar 8, slide bar 8 and installation piece 9 slide block bottom surface and installation piece 9 slide block 11, the movable bar 11 has been equipped with the movable bar at the side of the movable bar 11 through the fixed bar 11 with the movable bar of the movable bar 11, the movable bar 11 has been guaranteed the movable bar 11, the movable bar is equipped with the movable bar 11 in the movable bar 11, the movable bar 11 has been equipped with the movable bar 11, the movable bar 11 has been equipped with the movable counterweight 11, and has been equipped with the movable counterweight 11.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the movable sleeve of the two movable collars 4 is provided with a movable shaft 14, the outer circular wall surface of the movable shaft 14 is fixedly provided with a main boom 13, one side of the main boom 13 is fixedly provided with a first guide block 25, the first guide block 25 is in sliding clamping connection with a movable block 24, one end of the main boom 13 is fixedly provided with a bearing platform 15, the top surface of the bearing platform 15 is fixedly provided with a second hydraulic rod 16, the second hydraulic rod 16 is not repeated here, the top end of the second hydraulic rod 16 is fixedly provided with a second sliding block 26, the inner movable sleeve of the main boom 13 is provided with an auxiliary boom 17, the movable range of the main boom 13 can be lifted by means of the first hydraulic rod 6 through the movable shaft 14, the movable range of the main boom 13 is enlarged, the working efficiency is improved, the top surface of the auxiliary boom 17 is fixedly provided with two semicircular collars 18, a cantilever crane 20 is arranged between the two semicircular collars 18, the left side and the right side of the cantilever crane 20 is respectively fixedly provided with a balance shaft 19, the balance shaft 19 and the inner movable sleeve of the semicircular collars 18 are not repeated here, the balance shaft 20 is arranged between the two collars 19 and the cantilever crane 16 is controlled by the balance shafts 19, the balance shaft 19 is prevented from being lifted by the balance shafts, and the manpower can be lifted by the crane is avoided by the condition that the balance of the two cantilever crane 18 is lifted by the cantilever crane, and the manpower is not lifted.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, two rotating holes 21 are respectively formed on two sides of one end of the arm support 20, a movable block 23 is arranged between the two rotating holes 21, two ends of the movable block 23 are fixedly provided with rotating shafts 22, the rotating shafts 22 are movably sleeved with the rotating holes 21, the movable block 23 is arranged between the two rotating holes 21 through the two rotating shafts 22, a contraction rod 12 is fixedly arranged on the top surface of the balancing weight 7, the top end of the contraction rod 12 is hinged with the movable block 23, the balancing weight 7 can still be connected with the arm support 20 through the contraction rod 12 when the main boom 13, the auxiliary boom 17 and the arm support 20 move through the movable block 23, normal operation of the balancing weight 7 is ensured, a second guide block 27 is fixedly arranged on one side of the arm support 20, the second guide block 27 is in sliding clamping connection with the second slide block 26, an automatic rope collector 28 is of an existing structure, the second guide block 27 is not repeated, the second guide block 27 is in sliding clamping connection with the second slide block 26, and the second hydraulic rod 16 can be pushed to move freely.

Working principle: referring to fig. 1-4, when in use, a worker firstly lifts the main boom 13 through the first hydraulic rod 6, then stretches the auxiliary boom 17 out of the main boom 13, when the auxiliary boom 17 stretches to a proper position, starts the second hydraulic rod 16 to lift the boom 20, and then the shrinkage rod 12 connects the balancing weight 7 and the rear end of the boom 20, when the automatic rope winding device 28 winds the recovery rope to lift the weight, the balancing weight 7 can be slowly pushed out of the mounting block 9 by the pneumatic push rod 11 according to the weight, meanwhile, the shrinkage rod 12 receives the pulling force pushed out by the balancing weight 7, and the shrinkage rod 12 transmits the pulling force to the rear end of the boom 20, so that the gravity at two ends of the boom 20 is balanced, a part of the balancing weight 7 stops when being pushed out of the mounting block 9, the part of the balancing weight 7 is kept inside the mounting block 9, the balancing weight 7 is prevented from falling, and the gravity is applied to the rear end of the boom at the moment, so that the pressure of the lifting weight is balanced by the front end of the lifting frame, the gravity of the front end of the lifting frame reaches a balance, and the lifting machine is prevented from being overturned.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A movable weight hanger comprising:

the movable type hydraulic lifting device comprises a bottom plate (1), wherein a movable opening (2) is formed in one side of the bottom plate (1), a fixed hole (3) is formed in the middle end of the bottom plate (1), movable lantern rings (4) are fixedly arranged on two sides of the inner wall surface of the fixed hole (3), a stabilizing hole (5) is formed in the top surface of the bottom plate (1), a first hydraulic rod (6) is fixedly sleeved in the stabilizing hole (5), and a moving block (24) is fixedly arranged on the top surface of the first hydraulic rod (6);

and the counterweight assembly is arranged below the bottom plate (1) and is used for applying counterweight to the engineering machinery crane.

2. The movable weight hanger of claim 1, wherein said weight assembly comprises:

two installation blocks (9), two installation block (9) fixed mounting is in the bottom surface of bottom plate (1), two sliding tray (10) have been seted up respectively to the both sides that installation block (9) are close to each other, two be provided with balancing weight (7) between installation block (9), the left and right sides of balancing weight (7) fixed mounting has slider (8) respectively, slider (8) with installation block (9) slip joint, the bottom surface fixed mounting of bottom plate (1) has pneumatic push rod (11), the one end of pneumatic push rod (11) telescopic link with one side fixed mounting of balancing weight (7).

3. The movable counterweight hanging bracket according to claim 2, wherein two movable collars (4) are movably sleeved with a movable shaft (14), an outer circular wall surface of the movable shaft (14) is fixedly provided with a main hanging arm (13), one side of the main hanging arm (13) is fixedly provided with a first guide block (25), one end of the main hanging arm (13) is fixedly provided with a bearing table (15) in a sliding clamping mode, the top surface of the bearing table (15) is fixedly provided with a second hydraulic rod (16), the top end of the second hydraulic rod (16) is fixedly provided with a second sliding block (26), and the inner movable sleeve of the main hanging arm (13) is provided with a subsidiary arm (17).

4. A movable counterweight hanger according to claim 3, characterized in that the top surface of the auxiliary arm (17) is fixedly provided with two semicircular collars (18), a boom (20) is arranged between the two semicircular collars (18), the left and right sides of the boom (20) are respectively fixedly provided with a balance shaft (19), the balance shafts (19) are movably sleeved with the interiors of the semicircular collars (18), and the boom (20) is arranged between the two semicircular collars (18) through the two balance shafts (19).

5. The movable counterweight hanging bracket according to claim 4, wherein two rotating holes (21) are respectively formed in two sides of one end of the arm support (20), a movable block (23) is arranged between the two rotating holes (21), two ends of the movable block (23) are fixedly provided with rotating shafts (22), the rotating shafts (22) are movably sleeved with the rotating holes (21), the movable block (23) is arranged between the two rotating holes (21) through the two rotating shafts (22), a shrinkage rod (12) is fixedly arranged on the top surface of the counterweight (7), and the top end of the shrinkage rod (12) is hinged with the movable block (23).

6. The movable counterweight hanging bracket according to claim 5, wherein a second guide block (27) is fixedly arranged on one side of the arm support (20), the second guide block (27) is in sliding clamping connection with the second sliding block (26), and an automatic rope collector (28) is fixedly arranged at one end of the arm support (20).