CN208747422U - A kind of lifting assembly and elevator - Google Patents
A kind of lifting assembly and elevator Download PDFInfo
- Publication number
- CN208747422U CN208747422U CN201821001134.5U CN201821001134U CN208747422U CN 208747422 U CN208747422 U CN 208747422U CN 201821001134 U CN201821001134 U CN 201821001134U CN 208747422 U CN208747422 U CN 208747422U
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- Prior art keywords
- nut
- nut piece
- lifting assembly
- screw rod
- piece
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The purpose of the utility model is to provide a kind of lifting assembly and elevators.Lifting assembly includes screw rod, and the outer wall of screw rod has external screw thread, and lifting assembly further includes nut assembly and nut set, and nut assembly includes the first nut piece and the second nut piece；Radially, the first nut piece and the second nut piece are rotationally threadedly engaged with external screw thread respectively, and nut set is set on the outer wall of the first nut piece and the second nut piece.Since nut assembly is combined and constituted by the first nut piece and the second nut piece, when replacing nut assembly, the first nut piece and/or the second nut piece can be removed simply from screw rod, so that lifting assembly is easy to repair.Elevator provided by the utility model, including above-mentioned lifting assembly, therefore also have the advantages that be easy to repair.
Description
Technical field
The utility model relates to a kind of lifting assembly and elevators.
Background technique
The history of existing 100 years or more of the development of elevator is looked back the transmission mechanism design of elevator over 100 years, is led over the years
It include four kinds of screw, hydraulic type, cable type and tubular linear motor driven etc..Since screw-rod structure is for low floor elevator,
Advantage simple with structure, at low cost, so, certain application is obtained in certain floors.Existing screw-rod structure elevator, mainly
There are several types of:
(1) screw rod only moves axially, and connects with lift car, and nut axial restraint only rotates, works as nut
When rotation, screw rod drives carriage to move up and down, such as: Chinese patent 201020189986.9.The structure the problem is that: sedan-chair
The gravity of compartment and load-carrying is all applied on screw rod, and screw rod is longer, the easy unstability of being pressurized bending, also, carriage, load-carrying, screw rod it is total
Weight is all applied on nut, and nut abrasion is big, and power of motor consumption is big.(2) screw rod is fixed, nut can rotate and with
Carriage moves up and down, such as: Chinese patent: 200510108215.6, although which avoids the state of screw rod compression, but also
Be that there are the following problems: the structure has the disadvantage that carriage, the total weight of load-carrying are all applied on nut, and nut abrasion is big,
Power of motor consumption is big.
When nut abrasion needs replacing to a certain extent, in the prior art, need the end of screw rod is solid from accordingly
Determine after being extracted in slot, then again skids off nut from the end.This process is not only inconvenient, but also extremely dangerous.
Utility model content
The purpose of this utility model is to provide a kind of lifting assemblies for being readily disassembled and repairing.
The purpose of this utility model, which also resides in, provides a kind of elevator, with the above-mentioned lifting group for being readily disassembled and repairing
Part.
For the lifting assembly for realizing the purpose, it is suitable for elevator, including screw rod, the outer wall of the screw rod has outer spiral shell
Line, the lifting assembly further include nut assembly and nut set, and the nut assembly includes the first nut piece and the second nut piece；
Radially, rotationally screw thread is matched with the external screw thread respectively for first nut piece and second nut piece
Close, the nut set is set on the outer wall of first nut piece and the second nut piece, and with first nut piece and the
Two nut pieces are respectively cooperating with setting；
The nut set surrounds screw rod rotation for being driven to, to drive first nut piece and described second
Nut piece is rotated around the screw rod, and then moves first nut piece and second nut piece along the axial direction of the screw rod
It is dynamic, and drive the nut set along the axial movement of the screw rod.
The lifting assembly, further feature be, in the circumferential, the both ends of first nut piece and described the
The both ends of two nut pieces are docked respectively, are threadedly engaged and continuous first internal screw thread with being formed with the external screw thread.
The lifting assembly, further feature are that the inner wall of the nut set has the first groove structure, described
First nut piece and second nut piece are located in first groove structure, to drive the nut set along the screw rod
Axial movement.
The lifting assembly, further feature are the outer walls of first nut piece and second nut piece
With the second groove structure, the inner wall of the nut set is equipped with second groove structure, to drive first spiral shell
Parent part and second nut piece are rotated around the screw rod.
The lifting assembly, further feature are that the lifting assembly further includes rotation driving member, bearing and axis
Fixing sleeve is held, the rotation driving member is set in the outside of the screw rod, and is fixedly connected with the nut set；
The rotation driving member is rotated for being driven to around the screw rod, to drive the nut set around described
Screw rod rotation；
The bearing includes inner ring and outer ring；The inner ring is set on the outer wall of the nut set, and the bearing is fixed
It is set on the outer ring.
The lifting assembly, further feature be, the lifting assembly further includes electric machine assembly and bracket, described
Electric machine assembly and bearing fixing sleeve fixed setting are on the bracket；The electric machine assembly is for driving the rotation to be driven
Part rotation.
The lifting assembly, further feature are that the lifting assembly further includes jam nut, the safe spiral shell
Mother set is located at the outside of the screw rod, and is fixedly connected with the nut set；The inner wall of the jam nut has spiral shell in second
Line, second internal screw thread and the external screw thread rotationally clearance fit.
The lifting assembly, further feature are that the lifting assembly further includes driven by shaking component, the hand
Shake driving assembly fixed setting on the bracket, and for driving the jam nut to rotate.
The lifting assembly, further feature are that the nut set includes first set portion and second set of portion；In week
Upwards, the both ends in the first set portion and second set of portion are docked respectively, to form the nut set；Wherein, described first
Set portion is set on first nut piece, and second set of portion is set on second nut piece.
For the elevator for realizing the purpose, including carriage, the elevator further include lifting assembly as described above, the liter
Part of coming down to a lower group is connect with the carriage, to drive the carriage to go up and down.
The positive effect of the utility model is: lifting assembly provided by the utility model, is suitable for elevator, including
Screw rod, the outer wall of screw rod have external screw thread, and lifting assembly further includes nut assembly and nut set, and nut assembly includes the first nut
Part and the second nut piece；Radially, the first nut piece and the second nut piece are rotationally threadedly engaged with external screw thread respectively, spiral shell
Mother set is set on the outer wall of the first nut piece and the second nut piece.
Since nut assembly is combined and is constituted by the first nut piece and the second nut piece, when replacing nut assembly, the
One nut piece and/or the second nut piece can be removed simply from screw rod, so that lifting assembly is easy to repair.The utility model mentions
The elevator of confession, including above-mentioned lifting assembly, therefore also have the advantages that be easy to repair.
Detailed description of the invention
The above and other feature, property and advantage of the utility model will be by with reference to the accompanying drawings and examples
Description and become readily apparent from, in which:
Fig. 1 is the schematic diagram of elevator in the utility model one embodiment；
Fig. 2 is the schematic diagram of lifting device in the utility model one embodiment；
Fig. 3 is the schematic diagram of lifting assembly in the utility model one embodiment, and wherein screw rod is not drawn into；
Fig. 4 is the sectional view of lifting assembly in the utility model one embodiment, and wherein screw rod is not drawn into；
Fig. 5 is the top view of nut assembly in the utility model one embodiment, wherein the first nut piece and the second nut
Part is docking together；
Fig. 6 is the schematic diagram of nut assembly in the utility model one embodiment, wherein the first nut piece and the second nut
Part is docking together；
Fig. 7 is the top view of the first nut piece in the utility model one embodiment；
Fig. 8 is the side view of the first nut piece in the utility model one embodiment；
Fig. 9 is the top view of the second nut piece in the utility model one embodiment；
Figure 10 is the side view of the second nut piece in the utility model one embodiment；
Figure 11 is the schematic diagram in first set portion in the utility model one embodiment；
Figure 12 is the schematic diagram in second set of portion in the utility model one embodiment；
Figure 13 is the schematic diagram of elevator in another embodiment of the utility model, it is shown that driven by shaking component；
Figure 14 is the schematic diagram of lifting assembly in another embodiment of the utility model, it is shown that driven by shaking component.
Specific embodiment
It is following to disclose the embodiment or embodiment of subject technology scheme described in a variety of different implementations.For simplification
The specific example of each element and arrangement is described below in disclosure, and certainly, these are only example, is not to this
The protection scope of utility model is limited.Such as the fisrt feature then recorded in the description is distributed in second feature, it can
By include the first and second features by directly contacting in a manner of the embodiment that is distributed, also be included in the first and second features
Between formed supplementary features embodiment, to can not directly be contacted between the first and second features.In addition, these contents
In may in different examples repeat reference numerals and/or letter.The repetition is itself not table in order to brief and clear
Show each embodiment and/or interstructural relationship being discussed.Further, when first element be with being connected with second element or
In conjunction with mode describe, which includes the embodiment that the first and second elements are connected directly or are bonded to each other, also include
The first and second interelements ground connection is set to be connected or be bonded to each other using one or more other intervening elements additions.
It should be noted that Fig. 1 to Figure 14 only as an example, its not be according to equal proportion condition draw, and
It should not be construed as limiting in this, as the protection scope to the utility model actual requirement.In the present invention, " axial direction ",
" radial direction " and " circumferential direction " is reference with screw rod 1.
As shown in Figure 1, elevator 900 is screw type elevator, including carriage 91 and lifting assembly 90.Lifting assembly 90 and carriage
91 connections, to drive carriage 91 to go up and down.In the embodiment shown in fig. 1, lifting assembly 90 is fixed at carriage 91, at other
In embodiment, lifting assembly 90 can also be located at the other positions of carriage 91.Such as the top in the outside of carriage 91.
In conjunction with Fig. 1,2, lifting assembly 90 includes screw rod 1 and nut assembly 2, wherein the outer wall of screw rod 1 has external screw thread
1a, external screw thread 1a are preferably T shape screw thread.
Lifting assembly 90 further includes nut assembly 2 and nut set 3, and nut assembly 2 includes the first nut piece 21 and the second spiral shell
Parent part 22；Radially, the first nut piece 21 and the second nut piece 22 are rotationally threadedly engaged with external screw thread 1a respectively, nut
Set 3 is set on the outer wall of the first nut piece 21 and the second nut piece 22, and is divided with the first nut piece 21 and the second nut piece 22
It is not equipped with.When the first nut piece 21 and the second nut piece 22 are rotated around screw rod 1, under the action of external screw thread 1a, the
One nut piece 21 and the second nut piece 22 can be moved up and down along the axial direction of screw rod 1, and drive nut set 3 along the axis of screw rod 1
It moves up and down.
Movement relation between nut set 3 and the first nut piece 21 and the second nut piece 22 are as follows: nut set 3 is for being driven
It moves to around screw rod 1 and rotates, to drive the first nut piece 21 and the second nut piece 22 to rotate around screw rod 1, and then make the first spiral shell
Parent part 21 and the second nut piece 22 and drive nut set 3 along the axial movement of screw rod 1 along the axial movement of screw rod 1.
To realize the movement relation between above-mentioned nut set 3 and the first nut piece 21 and the second nut piece 22, nut set 3 with
Being equipped between the first nut piece 21 and the second nut piece 22 should meet nut set 3 can be to the first nut piece 21 and second
It the rotation circumferentially of nut piece 22 and is limited along axial moving.Specific nut set 3 and the first nut piece 21 and the
The embodiment being equipped between two nut pieces 22 will be described below.
Since nut assembly 2 is made of the first nut piece 21 and the combination of the second nut piece 22, in replacement nut assembly 2
When, the first nut piece 21 and/or the second nut piece 22 can be removed simply from screw rod 1 respectively, so that lifting assembly 90
It is easy to repair.Elevator 900 provided by the utility model, including above-mentioned lifting assembly 90, therefore also have the advantages that be easy to repair.
In one embodiment, nut set 3 can be a complete cylinder, the first nut piece 21 and the second nut piece
22 can slide into the inside of the cylinder from one end of the cylinder, and be cooperatively connected with the inner wall of the cylinder.It is further
The convenience for improving maintenance, as shown in Fig. 4,11,12, nut set 3 includes first set portion 31 and second set of portion 32；In the circumferential,
The both ends in first set portion 31 and second set of portion 32 are docked respectively, to form nut set 3；Wherein, first set portion 31 is set in first
On nut piece 21, second set of portion 32 is set on the second nut piece 22.
1,12 are continued to refer to figure 1, the inner wall of nut set 3 has the first groove structure 3a, the first nut piece 21 and the second spiral shell
Parent part 22 is equipped in the first groove structure 3a, to drive nut set 3 along the axial movement of screw rod 1.In Figure 11,12 institutes
In the embodiment shown, the inner wall in first set portion 31 and second set of portion 32 all has the first groove structure 3a.First groove structure 3a
Effect be to be limited to the axial movement of the first nut piece 21 and the second nut piece 22 so that 21 He of the first nut piece
Second nut piece 22 is able to drive nut set 3 along the axial movement of screw rod 1 when along the axial movement of screw rod 1.More at one
In the embodiment of body, the first groove structure 3a is arc groove circumferentially.
To enable nut set 3 to limit the rotation of the first nut piece 21 and the second nut piece 22 circumferentially, such as scheme
4, shown in 5,6,7,9, the outer wall of the first nut piece 21 and the second nut piece 22 all has the second groove structure 2b, nut set 3
Inner wall is equipped with the second groove structure 2b, to drive the first nut piece 21 and the second nut piece 22 to rotate around screw rod 1.?
In one embodiment (not shown), the inner wall inner wall of nut set 3 has the bulge-structure cooperated with the second groove structure 2b.?
In one more specific embodiment, the second groove structure 2b is the strip groove axially extended.
There are many embodiments of nut assembly 2.As shown in Fig. 4,5,6,7,8,9,10, the both ends of the first nut piece 21 with
The both ends of second nut piece 22 are docked respectively, are threadedly engaged and continuous first internal screw thread 2a with being formed with external screw thread 1a.
More specifically, the first nut piece 21 and the second nut piece 22 can be, but not limited to be symmetrical arranged about screw rod 1；This
Outside, the first nut piece 21 and the second nut piece 22 can be, but not limited to all have semicircular section radially.Spiral shell in first
Line 2a is preferably T shape screw thread.
Continue to refer to figure 1,2,3,4, lifting assembly 90 further includes rotation driving member 4, bearing 5 and bearing fixing sleeve 6, rotation
Driving member 4 is set in the outside of screw rod 1, and is fixedly connected with nut set 3；Rotation driving member 4 is for being driven to around screw rod 1
Rotation, so that nut set 3 be driven to rotate around screw rod 1；Bearing 5 includes inner ring 5a and outer ring 5b；Inner ring 5a is set in nut set 3
Outer wall on, bearing fixing sleeve 6 is set on the 5b of outer ring.In one embodiment, the quantity of bearing 5 is two, including is located at
The spherical bearing of lower section and the radial thrust bearing being located above.
Continue to refer to figure 1,2, lifting assembly 90 further includes electric machine assembly 7 and bracket 8, electric machine assembly 7 and bearing fixing sleeve
6 are fixed on bracket 8；Electric machine assembly 7 is for driving rotation driving member 4 to rotate.Bracket 8 can be connect with carriage 91, from
And it realizes lifting assembly 90 and is connect with carriage 91.
In one embodiment, electric machine assembly 7 includes belt 7a, and correspondingly, rotation driving member 4 is belt pulley, wherein skin
Band 7a is preferably V belt.
With continued reference to Fig. 4, lifting assembly 90 further includes jam nut 901, and jam nut 901 is set in the outside of screw rod 1,
And it is fixedly connected with nut set 3；The inner wall of jam nut 901 has the second internal screw thread 901a, the second internal screw thread 901a and outer spiral shell
Line 1a rotationally clearance fit.Second internal screw thread 901a is preferably T shape screw thread.As can be seen that the second internal screw thread in Fig. 4
Thickness of the thickness of 901a less than the first internal screw thread 2a, therefore the second internal screw thread 901a can keep gap to match with external screw thread 1a
It closes.After the first internal screw thread 2a serious wear of nut assembly 2 or fracture can not play a supporting role, external screw thread 1a is
It can be contacted with the second internal screw thread 901a, prevent carriage 91 from falling.
Elevator 900 is unable to run when to avoid having a power failure, and as shown in Figure 13,14, lifting assembly 90 further includes driven by shaking group
Part 902, driven by shaking component 902 are fixed on bracket 8, and for driving jam nut 901 to rotate.Driven by shaking component
902 may include the turntable rotated manually for passenger, the settable circle bevel gear in the periphery of 901 upper end of jam nut, this turn
Disk can be used for driving the bevel gear, to drive jam nut 901 to rotate, due to jam nut 901 and the fixed company of nut set 3
It connects, therefore 3 rotation of nut set can be further driven to.The turntable may be configured as not contacting with jam nut 901 usually, but need
When using driven by shaking component 902, driven by shaking component 902 can be pushed manually towards the direction of jam nut 901, to make the turntable
It contacts and engages with jam nut 901.
Although the utility model is disclosed as above with preferred embodiment, its be not for limiting the utility model, it is any
Those skilled in the art without departing from the spirit and scope of the utility model, can make possible variation and modification, all
It is the content without departing from technical solutions of the utility model, made by the above technical examples according to the technical essence of the present invention
What modification, equivalent variations and modification, each falls within the protection scope that the utility model claims are defined.
Claims (10)
1. a kind of lifting assembly is suitable for elevator (900), including screw rod (1), the outer wall of the screw rod (1) has external screw thread
(1a), which is characterized in that the lifting assembly (90) further includes nut assembly (2) and nut set (3), the nut assembly (2)
Including the first nut piece (21) and the second nut piece (22)；
Radially, first nut piece (21) and second nut piece (22) can be rotated with the external screw thread (1a) respectively
Ground is threadedly engaged, and the nut set (3) is set on the outer wall of first nut piece (21) and the second nut piece (22), and with
First nut piece (21) and the second nut piece (22) are respectively cooperating with setting；
The nut set (3) rotates for being driven to around the screw rod (1), to drive first nut piece (21) and institute
It states the second nut piece (22) to rotate around the screw rod (1), and then makes first nut piece (21) and second nut piece
(22) along the axial movement of the screw rod (1), and drive the nut set (3) along the axial movement of the screw rod (1).
2. lifting assembly as described in claim 1, which is characterized in that in the circumferential, the both ends of first nut piece (21)
It docks with the both ends of second nut piece (22), is threadedly engaged and continuous first with being formed with the external screw thread (1a) respectively
Internal screw thread (2a).
3. lifting assembly as described in claim 1, which is characterized in that the inner wall of the nut set (3) has the first groove knot
Structure (3a), first nut piece (21) and second nut piece (22) are equipped in first groove structure (3a)
In, to drive the nut set (3) along the axial movement of the screw rod (1).
4. lifting assembly as described in claim 1, which is characterized in that first nut piece (21) and second nut piece
(22) outer wall all has the second groove structure (2b), and the inner wall of the nut set (3) is matched with second groove structure (2b)
Setting is closed, to drive first nut piece (21) and second nut piece (22) to rotate around the screw rod (1).
5. lifting assembly as described in claim 1, which is characterized in that the lifting assembly (90) further includes rotation driving member
(4), bearing (5) and bearing fixing sleeve (6), rotation driving member (4) are set in the outside of the screw rod (1), and with it is described
Nut set (3) is fixedly connected；
The rotation driving member (4) rotates for being driven to around the screw rod (1), so that the nut set (3) be driven to enclose
It is rotated around the screw rod (1)；
The bearing (5) includes inner ring (5a) and outer ring (5b)；The inner ring (5a) is set in the outer wall of the nut set (3)
On, the bearing fixing sleeve (6) is set on the outer ring (5b).
6. lifting assembly as claimed in claim 5, which is characterized in that the lifting assembly (90) further includes electric machine assembly (7)
With bracket (8), the electric machine assembly (7) and the bearing fixing sleeve (6) are fixed on the bracket (8)；The motor
Component (7) is for driving the rotation driving member (4) to rotate.
7. lifting assembly as claimed in claim 6, which is characterized in that the lifting assembly (90) further includes jam nut
(901), the jam nut (901) is set in the outside of the screw rod (1), and is fixedly connected with the nut set (3)；It is described
The inner wall of jam nut (901) has the second internal screw thread (901a), second internal screw thread (901a) and the external screw thread (1a)
Rotationally clearance fit.
8. lifting assembly as claimed in claim 7, which is characterized in that the lifting assembly (90) further includes driven by shaking component
(902), the driven by shaking component (902) is fixed on the bracket (8), and for driving the jam nut
(901) it rotates.
9. lifting assembly as described in claim 1, which is characterized in that the nut set (3) includes first set portion (31) and
Two sets of portions (32)；In the circumferential, the both ends of the first set portion (31) and second set of portion (32) are docked respectively, to form
State nut set (3)；Wherein, the first set portion (31) is set on first nut piece (21), second set of portion (32)
It is set on second nut piece (22).
10. a kind of elevator, including carriage (91), which is characterized in that the elevator (900) further includes as appointed in claim 1 to 9
It anticipates lifting assembly (90) described in a claim, the lifting assembly (90) connect with the carriage (91), to drive
State carriage (91) lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001134.5U CN208747422U (en) | 2018-06-27 | 2018-06-27 | A kind of lifting assembly and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001134.5U CN208747422U (en) | 2018-06-27 | 2018-06-27 | A kind of lifting assembly and elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208747422U true CN208747422U (en) | 2019-04-16 |
Family
ID=66052925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821001134.5U Expired - Fee Related CN208747422U (en) | 2018-06-27 | 2018-06-27 | A kind of lifting assembly and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208747422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111776917A (en) * | 2020-07-15 | 2020-10-16 | 江西奥陟机电科技有限公司 | Lead screw elevator safety driving device and lead screw elevator thereof |
-
2018
- 2018-06-27 CN CN201821001134.5U patent/CN208747422U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111776917A (en) * | 2020-07-15 | 2020-10-16 | 江西奥陟机电科技有限公司 | Lead screw elevator safety driving device and lead screw elevator thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 |