CN217867890U - Novel tool is extended to chain block - Google Patents

Abstract

The utility model relates to a chain block appurtenance technical field, and a novel chain block extends instrument is disclosed, including the support arm, the one end fixedly connected with U type hanger of support arm, U type hanger comprises small-size hook groove and large-scale hook groove, the other end of support arm is connected with hollow structure's linking arm perpendicularly, the linking arm is close to and is connected with the disconnected piece between the inner wall on top, separate disconnected piece with the linking arm inner chamber from last to separating in proper order down for last cavity and cavity down, the lead screw is installed in the rotation of cavity down, the lead screw goes up the screw thread and cup joints the movable block with cavity sliding connection down, the hangers is installed to one side that the support arm was kept away from to the movable block, and set up the vertical logical groove that supplies the hangers to pass on the lateral wall of cavity down. The utility model discloses not only make the chain block evenly atress when carrying out the horizontal operation, make things convenient for the chain block operation in not equidimension hanging thing moreover, be favorable to improving the suitability.

Description

Novel tool is extended to chain block

Technical Field

The utility model relates to a chain block appurtenance technical field especially relates to a novel chain block extends instrument.

Background

When using the chain block to carry out all kinds of operations, often because of the operation space is narrow and small, factors such as horizontal space restriction lead to the chain block transversely can't be set level when using, chain block couple department is easy to appear the atress inequality when dragging and takes place deformation, direct fracture when serious, if the horizontal operation of enforcing then causes the chain block easily and leads to operating personnel occupational health to receive the infringement because of the chain block damages, the unable regulation in couple aperture when traditional chain block uses simultaneously, lead to partial operation chain block can't use, there is certain limitation, so provide a novel chain block and extend the instrument and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the above-mentioned background art, and the novel instrument is extended to chain block that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel instrument is extended to chain block, includes the support arm, the one end fixedly connected with U type hanger of support arm, U type hanger comprises small-size hook groove and large-scale hook groove, the other end of support arm is connected with hollow structure's linking arm perpendicularly, the linking arm is close to and is connected with the piece that separates between the inner wall on top, separate the piece with the linking arm inner chamber from last to separating in proper order down for cavity and cavity down, the lead screw is installed in the rotation of cavity down, the screw thread cup joints the movable block with cavity sliding connection down on the lead screw, the movable block is kept away from one side of support arm and is installed the hangers, and sets up the vertical logical groove that supplies the hangers to pass on the lateral wall of cavity down.

Preferably, the top end of the screw rod is coaxially connected with a rotating rod, the rotating rod penetrates through the top of the upper cavity and extends outwards, the top end of the rotating rod is connected with a sliding column with a rectangular cross section, a matched rotating cylinder is slidably sleeved on the sliding column, and a locking assembly is arranged between the rotating cylinder and the rotating rod.

Preferably, the locking subassembly includes the gear of fixed suit on the bull stick, go up the internal slip of cavity and be provided with the movable tooth piece that meshes mutually with the gear, the symmetry is connected with a plurality of reset springs between movable tooth piece and the internal wall of epicoele, the cover is equipped with ball bearing on the urceolus wall of rotary drum, horizontal logical groove has been seted up at the top of going up the cavity, the top of movable tooth piece is connected with the removal post that passes horizontal logical groove, it has the connecting rod to articulate between removal post top and the outer lane lateral wall of ball bearing.

Preferably, the distances between the small hook groove and the large hook groove and the support arm are 50mm and 100mm, respectively.

Preferably, two symmetrically arranged triangular stabilizing plates are fixedly connected between the supporting arm and the connecting arm.

Preferably, one end of the rotary drum far away from the rotary rod is coaxially connected with a rotary handle.

Compared with the prior art, the utility model provides a novel instrument is extended to chain block possesses following beneficial effect:

1. this novel instrument is extended to chain block, through setting up the support arm, small-size hook groove, large-scale hook groove, the linking arm, the lead screw, movable block and hangers, small-size hook groove and large-scale hook groove conveniently adapt to the not equidimension thing of hanging, the hangers is convenient for be connected with the couple of chain block, it makes things convenient for the movable block to go up and down along the linking arm inner chamber to rotate the lead screw, thereby be convenient for adjust the height of hangers, make the chain hoist that is connected with the couple when the chain block carries out horizontal work can be in the horizontality, the even atress of couple when the chain block operation of being convenient for, thereby be favorable to improving the life of chain block.

2. This novel instrument is extended to chain block through setting up bull stick, traveller, rotary drum and locking subassembly, exerts the pressure effect cooperation locking subassembly to the rotary drum and is convenient for remove the injecing to the bull stick rotational degree of freedom, drives the lead screw when making things convenient for the rotary drum to rotate and adjusts, and the cancellation is locked the rotational degree of freedom of bull stick to the cooperation locking subassembly of pressure that the rotary drum was exerted conveniently to make the lead screw can not unexpected the rotation, and then effectively guarantee the stability of hangers position.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses not only make the chain block evenly atress when carrying out the horizontal operation, make things convenient for the chain block operation in not equidimension hanging thing moreover, be favorable to improving the suitability.

Drawings

Fig. 1 is a schematic structural view of a novel chain block expanding tool provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a perspective view of the connecting portion of the rotation rod and the rotation drum of the present invention.

In the figure: 1. a support arm; 2. a U-shaped hanger; 201. a small hook groove; 202. a large hook groove; 3. a connecting arm; 4. a blocking block; 5. a screw rod; 6. a moving block; 7. hanging a lug; 8. a longitudinal through groove; 9. a rotating rod; 10. a traveler; 11. a rotating drum; 12. a gear; 13. a movable tooth block; 14. a return spring; 15. a ball bearing; 16. a transverse through groove; 17. moving the column; 18. a connecting rod; 19. a triangular stabilizing plate; 20. and (7) rotating a handle.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, a novel tool is extended to chain block, including support arm 1, the one end fixedly connected with U type hanger 2 of support arm 1, U type hanger 2 comprises small-size hook groove 201 and large-scale hook groove 202, the distance between small-size hook groove 201 and large-scale hook groove 202 and the support arm 1 is 50mm and 100mm respectively, be convenient for U type hanger 2 adapts to the not hanger of equidimension, the other end of support arm 1 is connected with hollow structure's linking arm 3 perpendicularly, the stable board 19 of triangle that two symmetries of fixedly connected with set up between support arm 1 and the linking arm 3, improve structural strength and the stability of structure.

Referring to fig. 1-2, a partition block 4 is connected between the inner walls of the connecting arms 3 close to the top ends, the partition block 4 sequentially partitions the inner cavity of the connecting arms 3 into an upper cavity and a lower cavity from top to bottom, a screw rod 5 is rotatably mounted in the lower cavity, a moving block 6 in sliding connection with the lower cavity is sleeved on the screw rod 5 in a threaded manner, a hanging lug 7 is mounted on one side, away from the supporting arm 1, of the moving block 6, the height of the hanging lug 7 is convenient to adjust when the screw rod 5 rotates, and a longitudinal through groove 8 for the hanging lug 7 to penetrate through is formed in the side wall of the lower cavity.

Referring to fig. 2-3, the top coaxial coupling of lead screw 5 has bull stick 9, bull stick 9 runs through the top of upper cavity and outwards extends, and the top of bull stick 9 is connected with the traveller 10 that the cross-section is the rectangle structure, sliding sleeve is equipped with the rotary drum 11 that matches on the traveller 10, the one end coaxial coupling that the bull stick 9 was kept away from to rotary drum 11 has turning handle 20, conveniently drive rotary drum 11 and rotate, rotary drum 11 can drive the bull stick 9 that is connected with the traveller 10 when rotating and rotate, install the locking subassembly between rotary drum 11 and the bull stick 9, conveniently prescribe a limit to the rotation degree of freedom of bull stick 9 and control.

Referring to fig. 2, the locking assembly includes a gear 12 fixedly sleeved on the rotating rod 9, a movable toothed block 13 engaged with the gear 12 is slidably disposed in the upper cavity, a plurality of return springs 14 are symmetrically connected between the movable toothed block 13 and the inner wall of the upper cavity, a ball bearing 15 is sleeved on the outer cylindrical wall of the rotating cylinder 11, a transverse through groove 16 is formed in the top of the upper cavity, a movable column 17 penetrating through the transverse through groove 16 is connected to the top of the movable toothed block 13, a connecting rod 18 is hinged between the top of the movable column 17 and the outer side wall of the ball bearing 15, and the rotating cylinder 11 is pressed and then matched with the connecting rod 18 to enable the movable column 17 to drive the movable toothed block 13 to be separated from the gear 12.

The working principle is as follows: when the inverted chain is used for operation, the inverted chain hook is hooked into the hanging lug 7 and locked, the large hook groove 202 or the small hook groove 201 is selected to be clamped into a hanging point according to the size of a hanging object, the rotating handle 20 is firstly pressed to drive the rotating cylinder 11 to slide along the sliding column 10, the movable tooth block 13 is driven by the movable column 17 to be separated from the gear 12 through the hinged connecting rod 18, then deflection force is applied to the rotating handle 20 to enable the rotating cylinder 11 to drive the rotating rod 9 and the screw rod 5 to synchronously rotate, namely, the movable block 6 can be controlled to drive the hanging lug 7 to lift, so that the lifting chain connected with the hook can be in a horizontal state when the inverted chain is subjected to horizontal operation, uniform stress during inverted chain operation is ensured, the pressing force applied to the rotating handle 20 is cancelled, the reset spring 14 can drive the movable tooth block 13 to be meshed with the gear 12, the rotation freedom degree of the rotating rod 9 can be limited, and the position stability of the hanging lug 7 is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a novel instrument is extended to chain block, includes the support arm, its characterized in that, the one end fixedly connected with U type hanger of support arm, U type hanger comprises small-size hook groove and large-scale hook groove, the other end of support arm is connected with hollow structure's linking arm perpendicularly, the linking arm is close to and is connected with between the inner wall on top and separates the piece, separate the piece with the linking arm inner chamber from last to separating in proper order down for last cavity and cavity down, the lead screw is installed in the cavity down to the rotation, the screw has cup jointed the movable block with cavity sliding connection down on the lead screw, the movable block is kept away from one side of support arm and is installed the hangers, and sets up the vertical logical groove that supplies the hangers to pass on the lateral wall of cavity down.

2. The novel chain block expanding tool as claimed in claim 1, wherein a rotating rod is coaxially connected to the top end of the screw rod, the rotating rod penetrates through the top of the upper cavity and extends outwards, a sliding column with a rectangular cross section is connected to the top end of the rotating rod, a matched rotating cylinder is slidably sleeved on the sliding column, and a locking assembly is installed between the rotating cylinder and the rotating rod.

3. The novel chain block expanding tool as claimed in claim 2, wherein the locking assembly comprises a gear fixedly sleeved on the rotating rod, a movable toothed block engaged with the gear is slidably disposed in the upper cavity, a plurality of return springs are symmetrically connected between the movable toothed block and the inner wall of the upper cavity, a ball bearing is sleeved on the outer cylinder wall of the rotating cylinder, a transverse through groove is formed in the top of the upper cavity, a moving column passing through the transverse through groove is connected to the top of the movable toothed block, and a connecting rod is hinged between the top of the moving column and the outer side wall of the ball bearing.

4. The novel chain block expanding tool as claimed in claim 1, wherein the distances between the small hook groove and the large hook groove and the supporting arm are 50mm and 100mm, respectively.

5. The novel chain block expanding tool as claimed in claim 1, wherein two symmetrically arranged triangular fixing plates are fixedly connected between the supporting arm and the connecting arm.

6. The novel chain block expanding tool as claimed in claim 2, wherein a rotating handle is coaxially connected to one end of the rotating drum, which is far away from the rotating rod.

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