CN208747539U - Motor-driven jack connection structure - Google Patents
Motor-driven jack connection structure Download PDFInfo
- Publication number
- CN208747539U CN208747539U CN201821453951.4U CN201821453951U CN208747539U CN 208747539 U CN208747539 U CN 208747539U CN 201821453951 U CN201821453951 U CN 201821453951U CN 208747539 U CN208747539 U CN 208747539U
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- China
- Prior art keywords
- screw rod
- gear
- rod connecting
- connecting shaft
- gear case
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Abstract
The utility model belongs to technical field of crane equipment, is related to a kind of motor-driven jack connection structure, including gear case assembly and the tube assembly for being installed on the gear case assembly and being driven by gear case assembly；The output shaft of gear case assembly is transmission shaft, rotation setting screw rod connecting shaft in tube assembly, and the input terminal of the transmission shaft output end and screw rod connecting shaft, which is driven, to be cooperatively connected, and axially stop block is equipped between the screw rod connecting shaft and gear case assembly.The utility model assembling product is convenient；Without dismantling gear-box when repairing pipe fitting；It can guarantee the better assembly precision of gear housing；Facilitate troubleshooting and maintenance.
Description
Technical field
The utility model belongs to technical field of crane equipment, is related to a kind of motor-driven jack connection structure.
Background technique
It is driven shaft diameter in the jack gear housing of market at present to be directly connected to the screw rod in tube assembly by axis, leads
It causes individually dismantle pipe fitting when assembly and disassembly, could sequentially dismantle pipe fitting after first dismantling gear housing, repairing or assembling
Aspect is comparatively laborious and inconvenient for operation, especially there is the gear housing of seal request, and bad sealing performance meeting is operated after disassembly
It is impacted.
Summary of the invention
For the utility model in view of the above-mentioned problems, providing a kind of motor-driven jack connection structure, which is able to achieve pipe
The quick separating of component and gear case assembly facilitates troubleshooting and maintenance without first dismantling gear housing when dismantling pipe fitting.
According to the technical solution of the utility model includes: a kind of motor-driven jack connection structure, it is characterised in that: including gear-box
Component and the tube assembly for being installed on the gear case assembly and being driven by gear case assembly；The output shaft of gear case assembly is to pass
The input terminal of moving axis, rotation setting screw rod connecting shaft in tube assembly, the transmission shaft output end and screw rod connecting shaft, which is driven, to be cooperated
Connection is equipped with axially stop block between the screw rod connecting shaft and gear case assembly.
The tube assembly is connected by bolt and gear case assembly immovable fitting as a further improvement of the utility model,
It connects.
The outlet side end face of the transmission shaft is equipped with boss, screw rod connecting shaft as a further improvement of the utility model,
Input terminal be equipped with card slot, boss is stuck in card slot, realizes the transmission connection of transmission shaft and screw rod connecting shaft.
The axially stop block includes being set to screw rod connecting shaft circumference table as a further improvement of the utility model,
The annular groove of face one end is arranged bearing on the diameter of axle of screw rod connecting shaft, is arranged in annular groove for the retainer ring to bearing axial limiting.
The axially stop block includes setting screw rod connecting shaft circumferential surface as a further improvement of the utility model,
Threaded portion, bearing is arranged on the diameter of axle of screw rod connecting shaft, bearing realizes axial limiting by the nut that threaded portion connects.
The gear case assembly includes the gear box cover of mutual pairing connection as a further improvement of the utility model,
With gear-box lower cover, motor is installed under the gear-box on lid, and transmission shaft rotational support is under gear box cover and gear-box
It covers.
The utility model has the technical effect that the utility model assembling product is convenient；Without dismantling tooth when repairing pipe fitting
Roller box；It can guarantee the better assembly precision of gear housing；Facilitate troubleshooting and maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the gear case assembly of the utility model and the decomposition diagram of tube assembly.
Fig. 3 is the structural schematic diagram of transmission shaft in the utility model.
Fig. 4 is the structural schematic diagram of screw rod connecting shaft in the utility model.
Fig. 5 is the structural schematic diagram of retainer ring in the utility model.
Specific embodiment
Specific embodiment of the present utility model is further described with reference to the accompanying drawing.
In Fig. 1 ~ 5, including motor 1, gear-box lower cover 2, gear box cover 3, retainer ring 4, transmission shaft 5, boss 5-1, gear
6, bearing 7, bolt 8, screw rod connecting shaft 9, card slot 9-1, annular groove 9-2, outer tube 10, tube assembly 11, gear case assembly 12 etc..
As shown in Fig. 1 ~ 5, the utility model is a kind of motor-driven jack connection structure, including gear case assembly 12 and installation
In the tube assembly 11 driven on the gear case assembly 12 and by gear case assembly 12；The output shaft of gear case assembly 12 is transmission
The input terminal of axis 5, rotation setting screw rod connecting shaft 9 in tube assembly 11,5 output end of transmission shaft and screw rod connecting shaft 9 is driven
It is cooperatively connected, axially stop block is equipped between the screw rod connecting shaft 9 and gear case assembly 12.
Tube assembly 11 is connect by bolt 8 with 12 immovable fitting of gear case assembly.This connection type can with fast assembling-disassembling,
Allowing tube assembly 11 and gear case assembly 12, external device corresponding with other matches respectively, and suitability is fine.
The outlet side end face of transmission shaft 5 is equipped with boss 5-1, and the input terminal of screw rod connecting shaft 9 is equipped with card slot 9-1, boss 5-1
It is stuck in card slot 9-1, realizes the transmission connection of transmission shaft 5 and screw rod connecting shaft 9.Boss 5-1 and card slot 9-1 cooperation is reliable.It passes
Gear 6 is set on moving axis 5, and gear 6 is connected by driving gear set with 1 output shaft of motor.
A kind of embodiment of axially stop block are as follows: the annular groove including being set to 9 circumferential surface one end of screw rod connecting shaft
9-2 is arranged bearing 7 on the diameter of axle of screw rod connecting shaft 9, is arranged in annular groove 9-2 for the retainer ring 4 to 7 axial limiting of bearing.In reality
In trampling, preferably retainer ring 4 is the semicircle retainer ring 4 that two pairings are arranged.
The another embodiment of axially stop block are as follows: the threaded portion including 9 circumferential surface of screw rod connecting shaft is arranged, silk
Bearing 7 is arranged on the diameter of axle of bar connecting shaft 9, bearing 7 realizes axial limiting by the nut that threaded portion connects
Gear case assembly 12 includes the gear box cover 3 and gear-box lower cover 2 of mutual pairing connection, and motor 1 is installed on institute
It states on gear-box lower cover 2,5 rotational support of transmission shaft is on gear box cover 3 and gear-box lower cover 2.
At work, the high-speed rotation of motor 1 is by passing to silk for low-speed big by transmission shaft 5 after gear-box speed change
Screw rod connecting shaft 9 in tube assembly 11 drives the inner tube assembly built in tube assembly 11 reciprocating, realizes the mesh of jacking article
's.
Claims (6)
1. a kind of motor-driven jack connection structure, it is characterised in that: including gear case assembly (12) and be installed on the gear-box
The tube assembly (11) driven on component (12) and by gear case assembly (12)；The output shaft of gear case assembly (12) is transmission shaft
(5), rotation setting screw rod connecting shaft (9), transmission shaft (5) output end are defeated with screw rod connecting shaft (9) in tube assembly (11)
Enter end transmission to be cooperatively connected, axially stop block is equipped between the screw rod connecting shaft (9) and gear case assembly (12).
2. motor-driven jack connection structure as described in claim 1, it is characterised in that: the tube assembly (11) passes through bolt
(8) it is connect with gear case assembly (12) immovable fitting.
3. motor-driven jack connection structure as described in claim 1, it is characterised in that: the delivery side of the transmission shaft (5)
Face is equipped with boss (5-1), and the input terminal of screw rod connecting shaft (9) is equipped with card slot (9-1), and boss (5-1) is stuck in card slot (9-1),
Realize the transmission connection of transmission shaft (5) and screw rod connecting shaft (9).
4. motor-driven jack connection structure as described in claim 1, it is characterised in that: the axially stop block includes setting
Annular groove (9-2) in screw rod connecting shaft (9) circumferential surface one end is arranged bearing (7), annular groove on the diameter of axle of screw rod connecting shaft (9)
It is arranged in (9-2) for the retainer ring (4) to bearing (7) axial limiting.
5. motor-driven jack connection structure as described in claim 1, it is characterised in that: the axially stop block includes setting
The threaded portion of screw rod connecting shaft (9) circumferential surface is arranged bearing (7) on the diameter of axle of screw rod connecting shaft (9), and bearing (7) passes through spiral shell
The nut of line portion connection realizes axial limiting.
6. motor-driven jack connection structure as described in claim 1, it is characterised in that: the gear case assembly (12) includes phase
The gear box cover (3) and gear-box lower cover (2), motor (1) of mutual pairing connection are installed on the gear-box lower cover (2), are passed
Moving axis (5) rotational support is on gear box cover (3) and gear-box lower cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453951.4U CN208747539U (en) | 2018-09-05 | 2018-09-05 | Motor-driven jack connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453951.4U CN208747539U (en) | 2018-09-05 | 2018-09-05 | Motor-driven jack connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208747539U true CN208747539U (en) | 2019-04-16 |
Family
ID=66081908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821453951.4U Active CN208747539U (en) | 2018-09-05 | 2018-09-05 | Motor-driven jack connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208747539U (en) |
-
2018
- 2018-09-05 CN CN201821453951.4U patent/CN208747539U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |