CN214733993U

CN214733993U - A lifting device in mechanical engineering assembly

Info

Publication number: CN214733993U
Application number: CN202121256702.8U
Authority: CN
Inventors: 吴阻峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2021-11-16
Anticipated expiration: 2031-06-05

Abstract

The utility model relates to the technical field of mechanical engineering, in particular to a lifting device in mechanical engineering assembly, comprising a base, a universal wheel is fixedly installed on the lower surface of the base, a support frame is fixedly installed on the upper surface of the base, and the support frame A first pulley is fixedly installed on one side of the upper end, and a hoisting arm is fixedly installed on the other end. A second pulley is fixedly installed at the end of the hoisting arm away from the support frame, and a winding wheel is also fixedly installed on the upper end surface of the base. A hoisting cable is wound around the reel, and the end of the hoisting cable passes through the first pulley and then bypasses the second pulley and extends downward. The hoisting device has a good use effect and is worthy of promotion.

Description

Hoisting accessory in mechanical engineering assembly

Technical Field

The utility model relates to a mechanical engineering technical field especially relates to a hoisting accessory in mechanical engineering assembly.

Background

The hoisting device is the most common hoisting equipment in mechanical engineering and is used for hoisting raw materials for construction. In the assembling process of mechanical engineering, a large number of assembling parts need to be lifted by using a lifting device, the mechanical engineering has higher requirements on the surface quality and the quality of the assembling parts, the existing small-sized lifting devices can be unstable in the lifting process, the safety of the assembling parts can be influenced when a lifting block shakes, and the assembling effect can be directly influenced when the assembling parts are scraped and abraded.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the stability is not good enough among the prior art to lift by crane the in-process, and a hoisting accessory in the mechanical engineering assembly who proposes.

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

the lifting device in mechanical engineering assembly comprises a base, wherein universal wheels are fixedly arranged on the lower surface of the base, a support frame is fixedly arranged on the upper surface of the base, a first pulley is fixedly arranged on one side of the upper end of the support frame, a lifting arm is fixedly arranged at the other end of the support frame, a second pulley is fixedly arranged at the end part, far away from the support frame, of the lifting arm, a reel is fixedly arranged on the upper end surface of the base, a lifting cable is wound on the reel, the end part of the lifting cable passes through the first pulley, then bypasses the second pulley and extends downwards, a connecting block is fixedly arranged at the end part, downwards hanging, of the lifting cable bypasses the second pulley, a lifting hook is fixedly arranged at the lower end of the connecting block, a limiting rod is fixedly arranged on the upper surface of the base, the upper end of the limiting rod is fixedly connected with the support frame, and a connecting structure for supporting is movably sleeved on the outer side of the limiting rod from top to bottom, the connecting structure is fixedly connected with the connecting block.

Preferably, the connecting structure comprises a sliding block, an installation block, a spring and a connecting rod, the sliding block is arranged on the outer side of the limiting rod in a vertically sliding mode, the sliding block is close to the end portion of the connecting block and fixedly connected with the installation block, one end of the connecting rod is arranged inside the installation block in a sliding mode, the other end of the connecting rod is fixedly connected with one side of the connecting block, one end of the spring is fixedly connected with the inner wall surface of the installation block, and the other end of the spring is fixedly connected with the end portion of the connecting rod.

Preferably, the slider is close to a plurality of spherical cavities have evenly been seted up to the inside surface of the inboard of gag lever post, the cavity inside activity is equipped with the activity ball, activity ball one side with the gag lever post outside surface sets up of laminating mutually.

Preferably, the two sides of the base are fixedly provided with positioning structures, each positioning structure comprises a fixing plate, a screw rod and a positioning abutting block, one end of each fixing plate is fixedly connected with the side face of the base, the other end of each fixing plate is connected with the screw rod in a threaded manner, and the lower end of each screw rod is threaded and extends to the lower portion of the fixing plate and is fixedly connected with the positioning abutting block.

Preferably, the positioning resisting block is internally made of a rubber structure.

The utility model provides a pair of hoisting accessory in mechanical engineering assembly, beneficial effect lies in: this hoisting accessory is in the use, when the lifting hook lifts by crane the in-process and takes place to rock, the connecting block can also rock thereupon, but under the limiting displacement of connecting rod, the connecting block can only rock on the extension line of connecting rod length of small amplitude, can restrict the removal of connecting rod through the spring, have elastic support's effect to the connecting rod, so can avoid the lifting hook to take place rocking by a wide margin, improved this hoisting accessory stability at the in-process that lifts by crane, it is effectual to the safety protection of assembled part.

Drawings

Fig. 1 is a schematic structural diagram of a lifting device in mechanical engineering assembly according to the present invention;

fig. 2 is a schematic top view of a lifting device in mechanical engineering assembly according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a position a in fig. 1 of a lifting device in mechanical engineering assembly.

In the figure: the lifting device comprises a base 1, a reel 2, a lifting cable 3, a support frame 4, a lifting arm 5, a positioning structure 6, a fixing plate 61, a screw rod 62, a positioning abutting block 63, a connecting structure 7, a sliding block 71, a cavity 72, a movable ball 73, an installation block 74, a spring 75, a connecting rod 76, a connecting block 8, a lifting hook 9, a first pulley 10, a second pulley 11, a limiting rod 12 and a universal wheel 13.

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.

Referring to fig. 1-3, a hoisting accessory in mechanical engineering assembly, including base 1, the fixed surface installs universal wheel 13 under base 1, the device is convenient for remove through universal wheel 13, fixed surface installs support frame 4 on base 1, support frame 4 upper end one side fixed mounting has first pulley 10, other end fixed mounting has boom 5, the tip fixed mounting that boom 5 kept away from support frame 4 has second pulley 11, base 1 up end still fixed mounting has reel 2, the last winding of reel 2 is equipped with lifting rope 3, reel 2 lifts by crane work through lifting rope 3.

3 tip of hawser of lifting by crane is through first pulley 10 then around second pulley 11 and downwardly extending, first pulley 10 and second pulley 11 mainly support hawser 3 of lifting by crane, it has connecting block 8 to lift by crane hawser 3 and wind the downward tip fixed mounting that hangs down of

second pulley

11, 8 lower extreme fixed mounting of connecting block have lifting hook 9, can hang the article that lifts by crane through lifting hook 9, 1 upper surface of base is fixed mounting still has gag lever post 12, gag lever post 12 upper end links to each other with support frame 4 is fixed, the movable sleeve is equipped with connection structure 7 that is used for the support about the gag lever post 12 outside, connection structure 7 links to each other with connecting block 8 is fixed, under connection structure 7's effect, connection block 8 removes the in-process and can carry out stable reciprocating through connection structure 7.

The connecting structure 7 comprises a sliding block 71, a mounting block 74, a spring 75 and a connecting rod 76, wherein the sliding block 71 is arranged outside the limiting rod 12 in a vertical sliding manner, the end part of the sliding block 71 close to the connecting block 8 is fixedly connected with the mounting block 74, one end of the connecting rod 76 is arranged inside the mounting block 74 in a sliding manner, the other end of the connecting rod 76 is fixedly connected with one side of the connecting block 8, the connecting rod 76 is driven to move up and down when the connecting block 8 moves up and down, the mounting block 74 is driven to move up and down, the sliding block 71 is driven to move up and down, one end of the spring 75 is fixedly connected with the inner wall surface of the mounting block 74, the other end of the spring 75 is fixedly connected with the end part of the connecting rod 76, the spring 75 has an elastic supporting effect on the connecting rod 76, when the lifting hook 9 shakes in the lifting process, the connecting block 8 can also shake along with the extension line of the length of the connecting rod 76, but under the limiting effect of the connecting rod 76, the connecting block 8 can only shake in a small range, the movement of the connecting rod 76 can be limited by the spring 75, and the connecting rod 76 has an elastic supporting effect, so that the lifting hook 9 can be prevented from shaking to a large extent, and the stability of the lifting device in the lifting process is improved.

A plurality of spherical cavities 72 are uniformly formed in the inner side surface of the sliding block 71 close to the limiting rod 12, a movable ball 73 is movably arranged in the cavity 72, one side of the movable ball 73 is attached to the outer side surface of the limiting rod 12, when the sliding block 71 slides on the limiting rod 12, the movable ball 73 is in contact with the limiting rod 12, the inner wall of the sliding block 71 is not in contact with the limiting rod 12, the contact stress area between the movable ball 73 and the limiting rod 12 is small, friction force can be reduced, the smaller the friction force is, the smaller the resistance force is, and therefore the resistance force received by the lifting device in the lifting process is reduced.

Equal fixed mounting in base 1 both sides has location structure 6, location structure 6 includes fixed plate 61, screw rod 62 and location support piece 63, fixed plate 61 one end links to each other with base 1 side is fixed, the other end links to each other with screw rod 62 screw thread, screw rod 62 lower extreme screw thread runs through and extends to fixed plate 61 below and support piece 63 fixed continuous with the location, the location supports that piece 63 is inside to be made by rubber construction, it can drive the location and support piece 63 and reciprocate to rotate screw rod 62, when the location support piece 63 with ground contact not, the device can remove through universal wheel 13, when the location supports piece 63 and tightly contradicts subaerial, the device's position is fixed, can't remove, can adjust the device's position through adjusting location structure 6, high use convenience.

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

1. The utility model provides a hoisting accessory in mechanical engineering assembly, includes base (1), its characterized in that, fixed surface installs universal wheel (13) under base (1), fixed surface installs support frame (4) on base (1), fixed mounting has first pulley (10) on one side of support frame (4) upper end, and other end fixed mounting has boom (5), boom (5) are kept away from the tip fixed mounting of support frame (4) has second pulley (11), still fixed mounting has reel (2) on base (1) up end, the last wind of reel (2) is equipped with lifting mooring rope (3), lifting mooring rope (3) tip process first pulley (10) then walk around second pulley (11) and downwardly extending, lifting mooring rope (3) walk around second pulley (11) end fixed mounting that hangs down has connecting block (8), connecting block (8) lower extreme fixed mounting has lifting hook (9), base (1) upper surface still fixed mounting has gag lever post (12), gag lever post (12) upper end with support frame (4) are fixed to be continuous, the movable sleeve is equipped with connection structure (7) that are used for the support about gag lever post (12) outside, connection structure (7) with connecting block (8) are fixed to be continuous.

2. The hoisting device in the mechanical engineering assembly of claim 1, wherein the connecting structure (7) comprises a sliding block (71), a mounting block (74), a spring (75) and a connecting rod (76), the sliding block (71) is arranged outside the limiting rod (12) in a vertically sliding manner, the end part of the sliding block (71) close to the connecting block (8) is fixedly connected with the mounting block (74), one end of the connecting rod (76) is arranged inside the mounting block (74) in a sliding manner, the other end of the connecting rod is fixedly connected with one side of the connecting block (8), one end of the spring (75) is fixedly connected with the surface of the inner wall of the mounting block (74), and the other end of the spring is fixedly connected with the end part of the connecting rod (76).

3. The hoisting device in the mechanical engineering assembly of claim 2, wherein a plurality of spherical cavities (72) are uniformly formed in the inner side surface of the sliding block (71) close to the limiting rod (12), a movable ball (73) is movably arranged in each cavity (72), and one side of each movable ball (73) is attached to the outer side surface of the limiting rod (12).

4. The mechanical engineering assembly hoisting device as claimed in claim 1, wherein the base (1) is fixedly provided with positioning structures (6) at both sides, each positioning structure (6) comprises a fixing plate (61), a screw (62) and a positioning abutting block (63), one end of the fixing plate (61) is fixedly connected with the side surface of the base (1), the other end of the fixing plate is in threaded connection with the screw (62), and the lower end of the screw (62) is in threaded connection with the positioning abutting block (63) and extends to the lower part of the fixing plate (61).

5. A device for lifting in mechanical engineering assembly according to claim 4, wherein the positioning resisting block (63) is internally made of rubber structure.