CN204235480U - Device for vertically lifting shaft or long rod part - Google Patents

Abstract

A device for vertically lifting a shaft or a long rod part belongs to the technical field of mechanical installation and maintenance equipment, and is used for vertically lifting a shaft or a long rod part in a narrow space. The technical scheme is as follows: its lifting spiral sleeve is sleeved on the outer periphery of the shaft or the long rod, the inner hole of the rotating nut has a thread matching the outer thread of the lifting spiral sleeve, the rotating nut is sleeved on the outer periphery of the lifting spiral sleeve, the outer wall of the rotating nut has a rotating handle, and the circumferential surface between the lower bottom surface of the rotating nut and the upper plane of the supporting platform is evenly distributed with supporting balls, the center of the supporting platform has a through hole, and the lifting spiral sleeve and the shaft or the long rod are passed through the through hole. When the utility model is in use, the rotating nut is rotated to drive the lifting spiral sleeve to rise along the axial spiral, driving the shaft or the long rod upward together, so as to achieve the purpose of vertically lifting the shaft or the long rod in a narrow space. The utility model has a simple structure and is easy to use, which greatly improves the work efficiency, reduces the labor intensity of the workers, and ensures the safety of on-site production.

Description

A device for vertically elevating a shaft or long rod member

technical field

The utility model relates to a device for vertically lifting a shaft or a long rod part in a narrow space, and belongs to the technical field of mechanical installation and maintenance equipment.

Background technique

In the installation and maintenance work of the machinery industry, it is often necessary to lift the shaft or long rod components vertically to a high position for installation and replacement. At that time, when the space on the construction site was narrow, due to the influence of space and components, it was impossible to use hoisting machinery to hoist directly into place, so It is impossible to accurately and quickly lift the shaft or long pole to the installation position, and manual operation is time-consuming, laborious, and poor in safety, which directly affects the speed of on-site installation and construction or maintenance time, and reduces work efficiency. Sometimes even after trying hard to hang the parts in place, the shaft cannot be rotated and cannot be installed in the corresponding hole (or threaded buckle), which brings great difficulties to the construction. Therefore it is very necessary to design an auxiliary device for lifting and installing shafts or long rod parts in narrow spaces.

Utility model content

The technical problem to be solved by the utility model is to provide a device for vertically lifting shafts or long rod parts. This device can vertically lift the shaft or long rod parts without using hoisting equipment in a narrow space, and can be installed in rotation. Reduce operating time and increase the efficiency of construction and maintenance work.

The technical scheme that solves the above-mentioned technical problem is:

A device for vertically lifting a shaft or a long rod, which includes a lifting helical sleeve, a rotating nut, and a support platform. The lifting helical sleeve is set on the outer periphery of the shaft or the long rod, and the inner wall of the lifting helical sleeve is tightly connected with the outer circumference of the shaft or the long rod. There are rotating threads on the outer wall of the lifting helical sleeve, and the inner hole of the rotating nut is threaded to match the outer thread of the lifting helical sleeve. The rotating nut is set on the outer periphery of the lifting helical sleeve, and there is a rotating handle on the outer wall of the rotating nut. Below the rotating nut, the lower bottom surface of the rotating nut is opposite to the upper plane of the supporting platform, and supporting balls are evenly distributed on the circumferential surface between the lower bottom surface of the rotating nut and the upper plane of the supporting platform, and the center of the supporting platform has a through hole for lifting The helical sleeve and the shaft or long rod are passed through the through hole.

In the above-mentioned device for vertically lifting the shaft or the long rod part, there is a screw hole on the side wall of the lifting helical sleeve, and a top screw is screwed in the screw hole. The end face is lower than the bottom of the external thread of the lifting helical sleeve.

In the above-mentioned device for vertically lifting the shaft or the long rod part, the lower bottom surface of the rotating nut has an annular groove surrounding the circumference of the rotating nut; The groove corresponds to the plane annular groove on the supporting platform, and a plurality of supporting balls are embedded between two opposite annular grooves, and the plurality of supporting balls are evenly distributed along the circumference of the annular groove.

In the above-mentioned device for vertically lifting the shaft or the long rod part, there are 2-4 sockets on the side wall of the rotary nut, the sockets are evenly distributed along the circumference of the rotary nut, and the end of the rotary handle is inserted in the sockets.

The beneficial effects of the utility model are:

The lifting helical sleeve of the utility model is fixedly connected with the shaft or the long rod, and the lifting helical sleeve and the shaft or the long rod cannot be rotated. Ascend, drive the shaft or the long pole to go upward together, so as to achieve the purpose of vertically lifting the shaft or the long pole. The utility model is simple in structure and easy to use. It can vertically lift the shaft or the long rod part in the narrow space that is not suitable for hoisting equipment. After being lifted in place, it can also be rotated and inserted into the screw hole. It is very convenient and not only reduces the construction and maintenance time, The work efficiency is greatly improved, the labor intensity of workers is also reduced, and the safety of on-site production is guaranteed.

Description of drawings

Fig. 1 is a structural representation of the utility model.

The markings in the figure are as follows: lifting screw sleeve 1, rotating nut 2, supporting platform 3, supporting ball 4, jack 5, shaft or long rod 6.

Detailed ways

The utility model comprises a lifting spiral sleeve 1, a rotating nut 2, a support platform 3 and a support ball 4.

As shown in the figure, the lifting helical sleeve 1 is sleeved on the outer circumference of the shaft or the long rod 6 , and the inner wall of the lifting helical sleeve 1 is tightly connected with the outer circumference of the shaft or the long rod 6 . There is a screw hole on the side wall of the lifting helical sleeve 1, and a jacking screw is screwed in the screw hole. The front end of the jacking screw is in close contact with the outer periphery of the shaft or long rod 6, and the rear end surface of the jacking screw is lower than the bottom of the external thread of the lifting helical sleeve 1. . The jacking wire tightens the outer wall of the shaft or the long rod 6, so that the shaft or the long rod 6 can move upward together with the lifting helical sleeve 1, and the rear end surface of the jacking wire of the jacking wire is lower than the bottom of the external thread of the lifting helical sleeve 1, which can not affect The rotating nut 2 rotates along the screw thread of the lifting helical sleeve 1.

As shown in the figure, there is a rotating thread on the outer wall of the lifting helical sleeve 1, and the inner hole of the rotating nut 2 is threaded to match the external thread of the lifting helical sleeve 1. The rotating nut 2 is set on the outer circumference of the lifting helical sleeve 1, and the rotating nut 2 There is a rotating handle on the outer wall. Turn the rotating nut 2, and the lifting threaded sleeve 1 can move up and down along the axial direction.

The figure shows that the supporting platform 3 is below the rotating nut 2, the lower bottom surface of the rotating nut 2 is opposite to the upper plane of the supporting platform 3, the center of the supporting platform 3 has a through hole, and the lifting screw sleeve 1 and the shaft or long rod 6 are worn on the In the through hole, it can move up and down.

There is an annular groove surrounding the circumference of the rotating nut 2 on the lower bottom surface of the rotating nut 2, and the upper plane of the support platform 3 has an annular groove surrounding the circumference of the through hole. Corresponding to the grooves, a plurality of supporting balls 4 are embedded between two opposite annular grooves, and the plurality of supporting balls 4 are evenly distributed along the circumference of the annular grooves. Rotate the rotating nut 2, the rotating nut 2 can rotate on the supporting platform 3, and the supporting ball 4 plays the role of positioning and helping the rotating nut 2 to roll.

The figure shows that there are 2-4 sockets 5 on the side wall of the rotary nut 2, the sockets 5 are evenly distributed along the circumference of the rotary nut 2, the end of the rotary handle is inserted in the socket 5, and the function of the handle is to push the rotary nut 2 turn.

The working process of the present utility model is as follows:

Preparation. The support platform 3 is placed on the position where the shaft or pole 6 needs to be lifted, and the bottom of the support platform 3 is placed on the beam or any fixed support. At the same time, the rotating nut 2 is screwed on the upper end of the lifting helical sleeve 1, and the lifting helical sleeve 1 is set on the shaft or the long rod, and fixed with a top screw. Then the lower end of the shaft or long rod 6 is inserted into the middle through hole of the support platform 3, so that the support roller ball 4 is embedded in the groove on the bottom surface of the rotating nut 2. Preparations for promotion are complete.

promote. Fix the shaft or long rod 6 with chain pliers or levers, so that the lifting helical sleeve 1 and the shaft or long rod 6 cannot rotate, turn the rotating nut 2, drive the lifting helical sleeve 1 to spiral upward along the axial direction, and drive the shaft or long rod 6 go up together to achieve the purpose of vertically lifting the shaft or the long pole.

Swivel mount. When it is necessary to rotate the shaft or the long rod 6 while lifting, the chain clamp or lever that fixes the shaft or the long rod 6 can be rotated in the same direction while the rotating nut 2 is turned, and through cooperation, the shaft or the long rod 6 can be rotated. While lifting and moving upwards, this operation can be used in square holes, screw holes, etc. that the shaft head of the shaft or long rod 6 enters.

Claims (4)

1. the device of a vertical-lift axle or stock parts, it is characterized in that: it comprises lifting screw-casing (1), rotating nut (2), support platform (3), promote the periphery that screw-casing (1) is sleeved on axle or stock (6), promote screw-casing (1) inwall and axle or stock (6) periphery to be fastenedly connected, the outer wall of lifting screw-casing (1) there is rotation screw thread, the endoporus of rotating nut (2) has screw thread to match with the external screw thread promoting screw-casing (2), rotating nut (2) is sleeved on the periphery of lifting screw-casing (1), the outer wall of rotating nut (2) there is rotating handles, support platform (3) is in the below of rotating nut (2), the bottom surface of rotating nut (2) is relative with the upper plane of support platform (3), periphery between the bottom surface of rotating nut (2) and the upper plane of support platform (3) is evenly equipped with and supports ball (4), there is through hole at the center of support platform (3), promote screw-casing (1) and axle or stock (6) to wear in through-holes.

2. the device of vertical-lift axle according to claim 1 or stock parts, it is characterized in that: the sidewall of described lifting screw-casing (1) has screw, jackscrew is rotary with in screw, the periphery close contact of the front end of jackscrew and axle or stock (6), the rear end face of jackscrew is lower than bottom the external screw thread promoting screw-casing (1).

3. the device of vertical-lift axle according to claim 2 or stock parts, it is characterized in that: the bottom surface of described rotating nut (2) has the annular groove around rotating nut (2) circumference, the upper plane of support platform (3) has the annular groove around through hole circumference, the annular groove of rotating nut (2) bottom surface is corresponding with the annular groove of the upper plane of support platform (3), multiple support ball (4) is embedded between two relative annular grooves, and multiple support ball (4) is along annular groove circumference uniform distribution.

4. the device of vertical-lift axle according to claim 3 or stock parts, it is characterized in that: the sidewall of described rotating nut (2) has 2-4 jack (5), jack (5) is along the circumference uniform distribution of rotating nut (2), and the end of rotating handles is inserted in jack (5).