CN216272981U

CN216272981U - Lifting equipment

Info

Publication number: CN216272981U
Application number: CN202122968044.1U
Authority: CN
Inventors: 戴智坚; 史亚国
Original assignee: Dean Changzhou Automation Technology Co ltd
Current assignee: Dean Changzhou Automation Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-12
Anticipated expiration: 2031-11-30

Abstract

The application relates to a lifting device, it includes spiral elevator, spiral elevator's worm is connected with the driving piece, spiral elevator is provided with the connection shell outward, fixed connection between spiral elevator's box formula shell and the connection shell, the lower extreme of connection shell is provided with bottom guide structure, bottom guide structure is including base, one-level stand pipe and second grade stand pipe, fixed connection between one-level stand pipe and the base, fixed connection between second grade stand pipe and the connection shell, second grade stand pipe overlaps and establishes outside the one-level stand pipe and sliding connection between the two, fixed connection between the end of the lead screw of base and spiral elevator.

Description

Lifting equipment

Technical Field

The application relates to the field of lifting mechanical structures, in particular to lifting equipment.

Background

At present, when the displacement of an object in the vertical direction needs to be realized, a spiral elevator is often adopted to realize, the spiral elevator is composed of parts such as a worm gear, a box body, a bearing and a lead screw, the working principle of the spiral elevator is that the worm is driven to rotate through a motor or a manual drive worm, wherein an inner cavity of a turbine is processed into an internal thread and drives the lead screw to move up and down, and the spiral elevator has the speed reduction effect of the worm gear and the lead screw and can achieve the effect of amplifying thrust in a matching manner.

The spiral elevator is simple to maintain, low in noise and capable of working normally in various severe environments. Spiral elevator has wider application range as a modern lifting device, and can be used in industries such as factories, construction sites, stages and logistics.

In a spiral elevator in the related art, a box-type shell is generally connected and arranged outside a turbine, in the rotation process of the turbine along with a worm, the inner side of the turbine and a lead screw rotate relatively, the whole turbine moves along with the lead screw, the box-type shell moves along with the turbine, parts needing to move are connected with a machine shell, and the parts can move through the spiral elevator.

In view of the above-mentioned related technologies, the inventor believes that, in the process of actual use, a horizontal acting force may be generated on the screw by the box type housing under the action of a part load, and as the box type housing is raised, the action effect of the horizontal acting force exerted on the screw by the box type housing is amplified, which may cause severe abrasion of the surface of the screw, damage to a turbine inside the box type housing, or fracture of the screw itself.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that there is the dust to invade easily at long-term use in current spiral elevator, this application provides a jacking equipment.

The application provides a jacking equipment adopts following technical scheme:

the utility model provides a lifting equipment, includes spiral elevator, spiral elevator's worm is connected with the driving piece, spiral elevator is provided with the connection shell outward, fixed connection between spiral elevator's box formula shell and the connection shell, the lower extreme of connecting the shell is provided with bottom guide structure, bottom guide structure is including base, one-level stand pipe and second grade stand pipe, fixed connection between one-level stand pipe and the base, fixed connection between second grade stand pipe and the connection shell, second grade stand pipe overlaps and establishes outside the one-level stand pipe and sliding connection between the two, fixed connection between the end of base and spiral elevator's lead screw.

Through adopting above-mentioned technical scheme, screw elevator during operation, the user passes through driving piece drive worm and rotates, realizes box formula shell along lead screw length direction's removal afterwards, and box formula shell drives the connection shell afterwards and takes place to remove, connects the shell and is connected with the article of treating the lift, can realize the lift removal of article. The base is used for realizing the holistic fixed of this kind of jacking equipment, fixed connection between lead screw and the base, at the in-process that the connection shell removed, the second grade stand pipe is along with the joint shell together removes, and relative slip between one-level stand pipe and the second grade stand pipe, one-level stand pipe and second grade stand pipe combined action, can lead to the removal of connecting the shell, thereby effectively reduce the effort that the lead screw received from box formula shell, and the horizontal effort that the lead screw received can partially shift to on one-level stand pipe and the second grade stand pipe, thereby effectively improved the stability of lead screw at jacking equipment during operation, and make the lead screw be difficult for taking place the condition such as surface damage or fracture, thereby effectively prolonged this kind of jacking equipment's life.

Preferably, the inner wall surface of the secondary guide pipe is provided with a bearing sleeve, the bearing sleeve is in interference fit with the secondary guide pipe, the inner wall surface of the bearing sleeve is attached to the outer wall surface of the primary guide pipe, and the bearing sleeve is in sliding connection with the primary guide pipe.

Through adopting above-mentioned technical scheme, the bearing housing set up produced frictional force when can effectively reducing relative slip between one-level stand pipe and the second grade stand pipe on the one hand to effectively reduce energy loss, on the other hand, the bearing housing can also effectively carry out effectual packing to the clearance that probably exists between one-level stand pipe and the second grade stand pipe, thereby plays dirt-proof effect to the spiral elevator of inside.

Preferably, the inner wall surface of the secondary guide pipe is provided with an installation ring groove, the bearing sleeve is installed in the installation ring groove, and the end surface of the bearing sleeve is attached to the bottom surface of the installation ring groove.

By adopting the technical scheme, the installation ring groove can facilitate the user to quickly position the bearing sleeve, so that the bearing sleeve is convenient to install.

Preferably, the base includes a limiting block, the limiting block is located the one-level stand pipe, spacing hole has been seted up along first stand pipe axis direction on the limiting block, the end that the lead screw is located the one-level stand pipe is formed with a spacing post, spacing post diameter is less than the lead screw diameter, cooperate between spacing post and the spacing hole, spacing post passes spacing hole, the one end that the lead screw was kept away from to spacing post is connected with the latch segment, mutual butt between latch segment and the limiting block, mutual butt between terminal surface that lead screw and spacing post link to each other and the limiting block.

Through adopting above-mentioned technical scheme, the latch segment can be used for realizing the relative fixed between spacing post and the stopper.

Preferably, the driving piece comprises a rotating handle, the worm penetrates through the connecting shell, a connecting pipe is sleeved outside the worm, the connecting pipe is in key connection with the worm, and the rotating handle is fixedly arranged at one end, far away from the connecting shell, of the connecting pipe.

Through adopting above-mentioned technical scheme, rotate handle person of facilitating the use drive worm and take place to rotate to realize this kind of jacking equipment's normal lift, the connecting pipe is used for realizing rotating the connection transmission between handle and the worm.

Preferably, the connecting pipe is sleeved with a dustproof piece, and the end face of the dustproof piece is attached to the part, penetrating out of the worm, of the connecting shell.

Through adopting above-mentioned technical scheme, the clearance between connection shell and the worm can be filled in setting up of dustproof to effectively reduce external dust and enter into to the jacking equipment inside from the gap of connecting the shell.

Preferably, the dust-proof member is made of an elastic material.

Through adopting above-mentioned technical scheme, in jacking equipment's use, the worm can probably take place the displacement in self axis direction to lead to rotating the handle and connecting the distance between the shell and change, use elastic material to make dustproof, can effectively adapt to and rotate the handle and connect the distance change between the shell, thereby effectively improve dustproof effect.

Preferably, the upper end face of the connecting shell is provided with a dust cover in a connecting mode, and a moving space for the screw rod to move is formed in the dust cover.

Through adopting above-mentioned technical scheme, the dust cover is direct with the up end fixed connection who is connected the shell, can be so that the upper half of lead screw is in a confined space to effectively reduced outside dust and entered into the inside possibility of jacking equipment from the through-hole on upper portion. The setting of activity space can provide sufficient space for the activity of lead screw, reduces this kind of jacking equipment in the use, and the lead screw frequently and the dust cover between the possibility of bumping.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the effect of guiding the movement of the connecting shell can be achieved through the arrangement of the bottom guide structure;

2. through the setting of dustproof, can play and carry out the effect that keeps off dirt to the worm with the junction of being connected the shell.

Drawings

Fig. 1 is a schematic view of the overall structure of a spiral elevator of the embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of a lifting device according to an embodiment of the present application.

Fig. 3 is a top view of a lift device according to an embodiment of the present application.

Fig. 4 is a schematic sectional view in the direction of a-a in fig. 3.

Fig. 5 is an enlarged schematic view of a portion B in fig. 4.

Reference number legend, 1, screw elevator; 11. a worm; 12. a box-type housing; 13. a lead screw; 131. a limiting column; 2. connecting the shell; 21. a dust cover; 3. a bottom guide structure; 31. a base; 311. a limiting block; 312. a limiting hole; 313. a locking block; 32. a primary guide tube; 33. a secondary guide tube; 331. mounting a ring groove; 34. a bearing housing; 4. a drive member; 41. rotating the handle; 42. a connecting pipe; 43. a dust-proof member.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses jacking equipment. Referring to fig. 1, the device for lifting inside the lifting device is a spiral lifter 1, the spiral lifter 1 is composed of a worm wheel (not shown in the figure), a worm 11, a box-type housing 12, a bearing (not shown in the figure), a lead screw 13 and other parts, the worm 11 is driven to rotate, the worm 11 drives the worm wheel inside the box-type housing 12 to rotate, an internal thread meshed with the lead screw 13 is formed in the inner cavity of the worm wheel, and the worm wheel drives the box-type housing 12 to move integrally along the length direction of the lead screw 13. The load is connected with the box type shell 12, and the lifting movement of the load can be realized.

Referring to fig. 1-5, worm 11 of screw lift 1 is connected with driving piece 4, screw lift 1 is provided with connection shell 2 outward, fixed connection between box formula shell 12 of screw lift 1 and the connection shell 2, the lower extreme of connection shell 2 is provided with bottom guide structure 3, bottom guide structure 3 is including base 31, one-level stand pipe 32 and second grade stand pipe 33, fixed connection between one-level stand pipe 32 and the base 31, fixed connection between second grade stand pipe 33 and the connection shell 2, second grade stand pipe 33 cover is established outside one-level stand pipe 32 and sliding connection between the two, fixed connection between the end of base 31 and screw lift 1's lead screw 13. The base 31 includes limiting block 311, limiting block 311 is located one-level stand pipe 32, limiting hole 312 has been seted up along first stand pipe axis direction on the limiting block 311, the end that lead screw 13 is located one-level stand pipe 32 is formed with limiting column 131, limiting column 131 diameter is less than lead screw 13 diameter, cooperate between limiting column 131 and the limiting hole 312, limiting column 131 passes limiting hole 312, the one end that lead screw 13 was kept away from to limiting column 131 is connected with latch segment 313, mutual butt between latch segment 313 and the limiting block 311, mutual butt between terminal surface that lead screw 13 and limiting column 131 link to each other and the limiting block 311.

Referring to fig. 1 to 5, a dust cover 21 is connected to an upper end surface of the connection housing 2, and a movable space for moving the lead screw 13 is provided inside the dust cover 21. The dust cover 21 is directly and fixedly connected with the upper end face of the connecting shell 2, so that the upper half part of the screw rod 13 is positioned in a sealed space, and the possibility that external dust enters the lifting device from the upper part through opening is effectively reduced. The arrangement of the movable space can provide enough space for the movement of the lead screw 13, and the possibility that the lead screw 13 frequently collides with the dust cover 21 in the use process of the lifting device is reduced.

Referring to fig. 1 to 5, a bearing sleeve 34 is arranged on the inner wall surface of the secondary guide pipe 33, the bearing sleeve 34 and the secondary guide pipe 33 are in interference fit, the inner wall surface of the bearing sleeve 34 is attached to the outer wall surface of the primary guide pipe 32, and the bearing sleeve 34 is in sliding connection with the primary guide pipe 32. An installation ring groove 331 is formed in the inner wall surface of the secondary guide pipe 33, the bearing sleeve 34 is installed in the installation ring groove 331, and the end surface of the bearing sleeve 34 is attached to the bottom surface of the installation ring groove 331.

Referring to fig. 1 to 5, the arrangement of the bearing sleeve 34 can effectively reduce the friction force generated when the first-stage guide pipe 32 and the second-stage guide pipe 33 slide relatively, so as to effectively reduce the energy loss, and on the other hand, the bearing sleeve 34 can also effectively fill the gap possibly existing between the first-stage guide pipe 32 and the second-stage guide pipe 33, so as to play a role of dust prevention for the internal spiral elevator 1. The installation ring groove 331 is provided to facilitate a user to quickly position the bearing housing 34, thereby facilitating the installation of the bearing housing 34.

Referring to fig. 1-5, the driving member 4 includes a rotating handle 41, the worm 11 is disposed through the connecting housing 2, a connecting pipe 42 is sleeved outside the worm 11, the connecting pipe 42 is connected with the worm 11 by a key, and the rotating handle 41 is fixedly disposed at an end of the connecting pipe 42 away from the connecting housing 2. The connecting pipe 42 is sleeved with a dustproof piece 43, the dustproof piece 43 is made of elastic materials, and the end face of the dustproof piece 43 is attached to the part, penetrating out of the worm 11, of the connecting shell 2.

Referring to fig. 1 to 5, the dust-proof member 43 is provided to fill the gap between the connection housing 2 and the worm 11, so as to effectively reduce the entrance of external dust into the inside of the lifting device from the gap of the connection housing 2. In the use of lifting equipment, worm 11 probably takes place the displacement in self axis direction to lead to rotating the distance between handle 41 and the connection shell 2 and change, use elastic material to make dustproof 43, can effectively adapt to the distance change between handle 41 and the connection shell 2 that rotates, thereby effectively improve dustproof effect.

The implementation principle of the lifting device in the embodiment of the application is as follows: screw lift 1 during operation, the user passes through driving piece 4 drive worm 11 and rotates, realizes box formula shell 12 afterwards along the removal of lead screw 13 length direction, and box formula shell 12 drives and connects shell 2 to take place to remove afterwards, connects shell 2 and treats that the article that goes up and down are connected, can realize the lift removal of article. The base 31 is used for realizing the holistic fixed of this kind of jacking equipment, fixed connection between lead screw 13 and the base 31, in the in-process of connecting shell 2 and removing, second grade stand pipe 33 is along with connecting shell 2 and together removing, and relative slip between one-level stand pipe 32 and the second grade stand pipe 33, one-level stand pipe 32 and second grade stand pipe 33 combined action, can lead to the removal of connecting shell 2, thereby effectively reduce the effort that comes from box formula shell 12 that lead screw 13 received, and the horizontal effort that lead screw 13 received can partially shift to on one-level stand pipe 32 and the second grade stand pipe 33, thereby effectively improved lead screw 13 at jacking equipment during operation stability, and make lead screw 13 difficult emergence surface damage or condition such as fracture, thereby effectively prolonged the life of this kind of jacking equipment.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A lifting device, comprising a screw elevator (1), wherein a driving piece (4) is connected to a worm (11) of the screw elevator (1), characterized in that: spiral lift (1) is provided with connection shell (2) outward, fixed connection between box formula shell (12) of spiral lift (1) and connection shell (2), the lower extreme of connection shell (2) is provided with bottom guide structure (3), bottom guide structure (3) are including base (31), one-level stand pipe (32) and second grade stand pipe (33), fixed connection between one-level stand pipe (32) and base (31), fixed connection between second grade stand pipe (33) and connection shell (2), second grade stand pipe (33) cover is established outside one-level stand pipe (32) and sliding connection between the two, fixed connection between the end of lead screw (13) of base (31) and spiral lift (1).

2. A lifting device according to claim 1, characterized in that: the inner wall face of second grade stand pipe (33) is provided with bearing housing (34), interference fit between bearing housing (34) and second grade stand pipe (33), laminate between the outer wall face of the inner wall face of bearing housing (34) and one-level stand pipe (32), sliding connection between bearing housing (34) and one-level stand pipe (32).

3. A lifting device according to claim 2, characterized in that: installation annular groove (331) have been seted up to the internal wall face of second grade stand pipe (33), install in installation annular groove (331) bearing housing (34), the terminal surface of bearing housing (34) is laminated mutually with the bottom surface of installation annular groove (331).

4. A lifting device according to claim 1, characterized in that: base (31) are including spacing piece (311), spacing piece (311) are located one-level stand pipe (32), spacing hole (312) have been seted up along first stand pipe axis direction on spacing piece (311), lead screw (13) are located the end of one-level stand pipe (32) and are formed spacing post (131), spacing post (131) diameter is less than lead screw (13) diameter, cooperate between spacing post (131) and spacing hole (312), spacing post (131) pass spacing hole (312), the one end that lead screw (13) were kept away from in spacing post (131) is connected with latch segment (313), mutual butt between latch segment (313) and spacing piece (311), mutual butt between terminal surface and the spacing piece (311) that lead screw (13) and spacing post (131) link to each other.

5. A lifting device according to claim 1, characterized in that: the driving piece (4) comprises a rotating handle (41), the worm (11) penetrates through the connecting shell (2) to be arranged, a connecting pipe (42) is arranged outside the worm (11), the connecting pipe (42) is connected with the worm (11) in a key mode, and the rotating handle (41) is fixedly arranged at one end, far away from the connecting shell (2), of the connecting pipe (42).

6. A lifting device according to claim 5, characterized in that: the connecting pipe (42) is sleeved with a dustproof piece (43), and the end face of the dustproof piece (43) is attached to the part, penetrating out of the worm (11), of the connecting shell (2).

7. A lifting device according to claim 6, characterized in that: the dust-proof member (43) is made of an elastic material.

8. A lifting device according to claim 1, characterized in that: the upper end face of the connecting shell (2) is provided with a dust cover (21) in a connecting mode, and a movable space for the lead screw (13) to move is arranged inside the dust cover (21).