CN217676513U

CN217676513U - Balance weight adjusting mechanism and balance weight thereof

Info

Publication number: CN217676513U
Application number: CN202221994885.8U
Authority: CN
Inventors: 关兆方
Original assignee: Xuzhou Wanyou Machinery Technology Co ltd
Current assignee: Huaibei Shangde Petroleum Machinery Manufacturing Co ltd
Priority date: 2022-07-30
Filing date: 2022-07-30
Publication date: 2022-10-28
Anticipated expiration: 2032-07-30

Abstract

The utility model discloses a counterweight adjusting mechanism and a counterweight thereof, relating to the technical field of counterweight adjusting mechanisms; the utility model comprises a T-shaped frame, a servo motor is fixedly arranged on one side of the bottom end of the T-shaped frame, the output end of the servo motor rotates to penetrate through the T-shaped frame and is fixedly connected with a bevel gear I at the tail end of the T-shaped frame, a rotating rod is rotatably arranged on the T-shaped frame, a bevel gear II is fixedly sleeved on the rotating rod and is meshed with the bevel gear I, bevel gear III is fixedly arranged at both ends of the rotating rod, a through groove is formed in the T-shaped frame, symmetrically distributed U-shaped frames are fixedly arranged in the through groove, a screw rod is rotatably inserted in each U-shaped frame, and a bevel gear IV is fixedly arranged at one end of the screw rod close to the servo motor; through the cooperation use of counter weight guiding mechanism and balancing weight body, can conveniently change the focus position of small crane to stability when can improving small crane handling heavy object, and then can avoid the emergence of incident.

Description

Balance weight adjusting mechanism and balance weight thereof

Technical Field

The utility model relates to a counter weight adjustment mechanism technical field specifically is a counter weight adjustment mechanism and counter weight thereof.

Background

The crane refers to a multi-action hoisting machine that vertically lifts and horizontally transfers heavy objects within a certain range, and is generally referred to as a crane, such as a crown block or a crane. In the current production and life, the application of the small-sized crane is also wider, but the existing small-sized crane still has certain defects when in use:

the balancing weight on the current small crane is mostly fixed installation, the position of balancing weight can't convenient regulation when using to unable convenient focus position that changes small crane, and then stability when having reduced the small crane handling heavy object, further easily cause the incident.

In view of the above problems, the inventor proposes a counterweight adjusting mechanism and a counterweight thereof to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The problem that the position of an existing small crane counterweight block cannot be adjusted conveniently is solved; an object of the utility model is to provide a counter weight adjustment mechanism and counter weight thereof.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a counter weight adjustment mechanism, including T type frame, bottom one side fixed mounting of T type frame has servo motor, servo motor's output rotates and runs through T type frame and at its terminal fixedly connected with bevel gear I, the bull stick is installed in rotating on the T type frame, and fixed the cup jointing has bevel gear two on the bull stick, bevel gear two meshes with bevel gear I, and the equal fixed mounting in both ends of bull stick has bevel gear three, the wear groove has been seted up on the T type frame, and fixed mounting has the U type frame of symmetric distribution in the wear groove, it is equipped with the lead screw to rotate to insert on the U type frame, and the lead screw is close to servo motor's one end fixed mounting has bevel gear four, bevel gear four meshes with bevel gear three-phase, the movable block has been cup jointed to the screw thread on the lead screw, and movable block and U type frame sliding connection, fixed mounting has the guide rail on the inner wall of U type frame, and seted up the guide slot on the movable block, the guide rail slides and inserts and establishes in the guide slot.

During the use, when waiting that the article of lifting by crane is heavier, the user can open servo motor to can make it drive bevel gear one and rotate, and then can drive the bull stick through bevel gear two and rotate, further can drive two bevel gear three rotations, and will drive corresponding bevel gear four rotations in bevel gear three pivoted, thereby can drive and correspond the lead screw rotation, and then can cooperate the use of guide rail and guide slot to remove two movable blocks to one side of keeping away from servo motor in step.

Preferably, the bottom end of the T-shaped frame is fixedly provided with a vertical plate, and the servo motor is fixedly connected with the vertical plate.

Preferably, the top end of the T-shaped frame is fixedly provided with symmetrically arranged supports, and the rotating rod is rotatably inserted into the inner sides of the supports.

The utility model provides a counter weight, includes balancing weight body and a counter weight adjustment mechanism, and the equal fixed mounting in both ends of balancing weight body has the picture peg, and runs through the through-hole of seting up the symmetry and setting up on the picture peg, and the slot has been seted up on the top of movable block, and sets up the counter bore of symmetric distribution bottom the inner chamber of slot, and the picture peg can slide to insert and establish in the slot, and can the screw thread insert in through-hole and the counter bore and be equipped with the bolt.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the counterweight adjusting mechanism is matched with the counterweight block body, so that the gravity center position of the small crane can be conveniently changed, the stability of the small crane in lifting heavy objects can be improved, and safety accidents can be avoided;

2. under the coordination of slot and picture peg and the coordination of through-hole, counter bore and bolt, realized the convenient stable installation of balancing weight body to stability when having ensured follow-up regulation, and be convenient for the later stage to dismantle the change.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

Fig. 3 is the installation schematic diagram of the servo motor of the present invention.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention.

In the figure: 1. a T-shaped frame; 11. penetrating a groove; 12. perforating; 13. a reinforcing plate; 2. a servo motor; 21. a first bevel gear; 22. a vertical plate; 3. a rotating rod; 31. a second bevel gear; 32. a third bevel gear; 33. a support; 4. a U-shaped frame; 41. a screw rod; 42. a fourth bevel gear; 43. a moving block; 44. a guide rail; 45. a guide groove; 46. inserting slots; 47. a counter bore; 5. a counterweight block body; 51. inserting plates; 52. a through hole; 53. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows: as shown in FIGS. 1-4, the present invention provides a counterweight adjustment mechanism, which comprises a T-shaped frame 1, a servo motor 2 fixedly mounted on one side of the bottom end of the T-shaped frame 1, a vertical plate 22 fixedly mounted on the bottom end of the T-shaped frame 1, and a servo motor 2 fixedly connected with the vertical plate 22, wherein the output end of the servo motor 2 is rotatably connected with a bevel gear I21 through the T-shaped frame 1, a rotating rod 3 is rotatably mounted on the T-shaped frame 1, symmetrically arranged supports 33 are fixedly mounted on one side of the top end of the T-shaped frame 1, the rotating rod 3 is rotatably inserted into the inner side of the support 33, the supports 33 are used for providing guarantee for the stable rotation of the rotating rod 3, a bevel gear II 31 is fixedly sleeved on the rotating rod 3, the bevel gear II 31 is meshed with the bevel gear I21, bevel gear III 32 is fixedly mounted on both ends of the rotating rod 3, a through groove 11 is formed in the T-shaped frame 1, and the U-shaped frame 4 which is symmetrically distributed is fixedly arranged in the through groove 11, the screw rods 41 are rotatably inserted into the U-shaped frame 4, one end of each screw rod 41 close to the servo motor 2 is fixedly provided with a bevel gear four 42, the bevel gear four 42 is meshed with the bevel gear three 32, the screw rods 41 are sleeved with moving blocks 43 in a threaded manner, the two screw rods 41 are matched with the corresponding moving blocks 43 for use, so that the corresponding moving blocks 43 can be synchronously driven to move towards the same side when the two screw rods 41 rotate, the moving blocks 43 are slidably connected with the U-shaped frame 4, the inner wall of the U-shaped frame 4 is fixedly provided with guide rails 44, the moving blocks 43 are provided with guide grooves 45, the guide rails 44 are slidably inserted into the guide grooves 45, and the guide rails 44 and the guide grooves 45 are matched for use to provide guarantee for the stable movement of the moving blocks 43.

Through adopting the above technical scheme, during the use, when the article of waiting to lift by crane is heavier, the user can open servo motor 2, thereby can make it drive bevel gear 21 and rotate, and then can drive bull stick 3 through two 31 bevel gears and rotate, further can drive three 32 rotations of two bevel gears, and will drive corresponding bevel gear four 42 and rotate in three 32 pivoted of bevel gear, thereby can drive corresponding lead screw 41 and rotate, and then can cooperate the use of guide rail 44 and guide slot 45 to remove two movable blocks 43 to one side of keeping away from servo motor 2 in step.

One side of T type frame 1 runs through and sets up the perforation 12 of symmetry setting, and the top of T type frame 1 and the equal fixed mounting in bottom have the gusset plate 13 of symmetric distribution.

Through adopting above-mentioned technical scheme, perforation 12 set up the use and be convenient for fix T type frame 1 on small crane, and reinforcing plate 13 set up the use and can effectively improve T type frame 1's stability.

The utility model provides a counter weight, includes balancing weight body 5 and a counter weight adjustment mechanism, the equal fixed mounting in both ends of balancing weight body 5 has picture peg 51, and runs through on the picture peg 51 and sets up the through-hole 52 that the symmetry set up, and slot 46 has been seted up on the top of movable block 43, and the inner chamber bottom of slot 46 sets up the counter bore 47 of symmetric distribution, and picture peg 51 can slide to insert and establish in slot 46, and can the screw thread insert in through-hole 52 and the counter bore 47 and be equipped with bolt 53.

Through adopting above-mentioned technical scheme, during the use, the user can use the screw and cooperate the use of perforating 12 to fix T type frame 1 in the frame of small crane, then the user can with 5 handling of balancing weight body to two movable blocks 43 directly over, can slowly move balancing weight body 5 down afterwards, until in inserting slot 46 with picture peg 51 completely, can remove handling part this moment and four bolts 53 of knob in proper order, thereby can make bolt 53 screw thread insert establish correspond through-hole 52 and counter bore 47 in, and then realized balancing weight body 5's convenient stable installation, and be convenient for the later stage to dismantle the change.

The working principle is as follows: when the lifting device is used, a user can fix the T-shaped frame 1 on a rack of a small crane by using screws and matching with the through holes 12, then the user can lift the counterweight block body 5 to be right above the two moving blocks 43, then the counterweight block body 5 can be slowly moved downwards until the plug board 51 is completely inserted into the slot 46, at the moment, the lifting part can be removed, and the four bolts 53 are sequentially turned, so that the bolts 53 can be inserted into the corresponding through holes 52 and the counter bores 47 in a threaded manner, the counterweight block body 5 is convenient and stable to mount, and the disassembly and replacement at the later stage are convenient;

the user can use the small crane to lift by crane the operation afterwards, when the article of waiting to lift by crane is heavier, the user can open servo motor 2, thereby can make it drive bevel gear 21 and rotate, and then can drive bull stick 3 through bevel gear two 31 and rotate, further can drive two bevel gear three 32 rotations, and will drive corresponding bevel gear four 42 and rotate in bevel gear three 32 pivoted, thereby can drive corresponding lead screw 41 and rotate, and then can cooperate the use of guide rail 44 and guide slot 45 with two movable blocks 43 to the one side removal of keeping away from servo motor 2 in step, further can drive balancing weight body 5 to the one side removal of keeping away from servo motor 2, thereby can conveniently change the focus position of small crane, and then stability when can improving small crane handling heavy object, further can avoid the emergence of incident, and close servo motor 2 and can normally develop the handling operation after balancing weight body 5 moves to suitable position.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a counter weight adjustment mechanism, includes T type frame (1), its characterized in that: the automatic transmission mechanism is characterized in that a servo motor (2) is fixedly mounted on one side of the bottom end of the T-shaped frame (1), an output end of the servo motor (2) rotates to penetrate through the T-shaped frame (1) and is fixedly connected with a bevel gear I (21) at the tail end of the T-shaped frame, a rotating rod (3) is installed on the T-shaped frame (1) in a rotating mode, a bevel gear II (31) is fixedly sleeved on the rotating rod (3), the bevel gear II (31) is meshed with the bevel gear I (21), bevel gear III (32) is fixedly mounted at the two ends of the rotating rod (3), a through groove (11) is formed in the T-shaped frame (1), symmetrically distributed U-shaped frames (4) are fixedly mounted in the through groove (11), a lead screw (41) is inserted in the U-shaped frame (4) in a rotating mode, a bevel gear IV (42) is fixedly mounted at one end, close to the servo motor (2), the bevel gear IV (42) is meshed with the bevel gear III (32), a moving block (43) is sleeved on the lead screw (41), and the moving block (43) is connected with the U-shaped frame (4) in a sliding mode.

2. The counterweight adjusting mechanism according to claim 1, wherein one side of the T-shaped frame (1) is provided with symmetrically arranged through holes (12) and symmetrically distributed reinforcing plates (13) are fixedly mounted at the top end and the bottom end of the T-shaped frame (1).

3. The counterweight adjusting mechanism according to claim 1, wherein a vertical plate (22) is fixedly installed at the bottom end of the T-shaped frame (1), and the servo motor (2) is fixedly connected with the vertical plate (22).

4. The balance weight adjusting mechanism according to claim 1, wherein symmetrically arranged supports (33) are fixedly installed on one side of the top end of the T-shaped frame (1), and the rotating rod (3) is rotatably inserted into the inner sides of the supports (33).

5. The counterweight adjusting mechanism according to claim 1, wherein a guide rail (44) is fixedly installed on an inner wall of the U-shaped frame (4), and a guide groove (45) is opened on the moving block (43), and the guide rail (44) is slidably inserted in the guide groove (45).

6. The utility model provides a counter weight, includes balancing weight body (5) and any one of claims 1 to 5 a counter weight adjustment mechanism, its characterized in that, equal fixed mounting in both ends of balancing weight body (5) has picture peg (51), and runs through on picture peg (51) and set up through-hole (52) that the symmetry set up, slot (46) have been seted up on the top of movable block (43), and the inner chamber bottom of slot (46) sets up the counter bore (47) of symmetric distribution, picture peg (51) can slide and insert and establish in slot (46), and can the screw thread insert in through-hole (52) and counter bore (47) and be equipped with bolt (53).