CN217207644U

CN217207644U - Rotation speed reducer pipeline anti-loosening device and lorry-mounted crane

Info

Publication number: CN217207644U
Application number: CN202123415752.9U
Authority: CN
Inventors: 宋明见; 陆远望
Original assignee: Anhui Xingma Special Purpose Vehicle Co Ltd
Current assignee: Anhui Xingma Special Purpose Vehicle Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-16
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a rotary speed reducer pipeline anti loosening device and lorry-mounted crane belongs to mechanical technical field, including rotary speed reducer and anti loosening device, rotary speed reducer comprises drive mechanism, ventilative pipeline, oilcan and motor, anti loosening device installs on ventilative pipeline, anti loosening device includes the fixed part to and be located the spacing portion that fixed part one end and ventilative pipe connection, still include a lorry-mounted crane, contain foretell rotary speed reducer pipeline anti loosening device. The utility model discloses simple structure, it is practical reliable, through set up locking device on the permeability cell, effectively solved whole car and carried out spacing and the not hard up scheduling problem that appears to the permeability cell not at long-time transportation and operation in-process, improved the holistic stability of vehicle, had fine use and spreading value.

Description

Rotation speed reducer pipeline anti-loosening device and lorry-mounted crane

Technical Field

The utility model belongs to the technical field of machinery, concretely relates to rotation speed reducer pipeline locking device and lorry-mounted crane.

Background

The slewing reducer on the lorry-mounted crane mainly provides slewing operation for the crane during hoisting, meets the requirement of 360-degree rotation operation of the crane boom by taking the rotary table as the center, and improves the convenience of hoisting of the crane. The speed reducer assembly is composed of a transmission mechanism, a ventilation pipeline, an oil can and a motor, the motor of the traditional speed reducer configuration operation mode is hydraulically driven, the transmission mechanism is driven to achieve crane rotation operation, the internal transmission mechanism of the speed reducer is composed of a plurality of gear trains, gear oil needs to be filled into the speed reducer when the whole crane is assembled, the gear oil is filled into the speed reducer through the oil can and the ventilation pipeline, a liquid level meter is arranged on a speed reducer casing, the gear oil is filled to a specified scale, and the ventilation pipeline and the oil can are both free of the gear oil. Because the temperature of gear oil in the speed reducer can rise during operation, the gear oil can expand and rise to the oil can, so the ventilation pipeline is generally designed to be arranged in a right-angled bend mode upwards and is longer, and the root of the ventilation pipeline is fixedly connected with the top end of the speed reducer through threads.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the inventor reachs through practice and summary the utility model discloses a rotary speed reducer pipeline locking device, including rotary speed reducer and locking device, rotary speed reducer comprises drive mechanism, ventilative pipeline, oilcan and motor, locking device installs on the ventilative pipeline, locking device includes the fixed part to and be located the spacing portion of fixed part one end and ventilative tube coupling.

Preferably, one end of the fixing part, which is far away from the limiting part, is bent, and a through hole is formed in the center of the bent end.

Specifically, be equipped with the internal thread in the through-hole, locking device passes through the bolt and fixes with external device, and bolted connection is firm and dismantle conveniently, is favorable to daily maintenance and damage restoration.

Preferably, the limiting part is annular, the inner diameter of the limiting part is matched with the ventilation pipeline, the oil can on the speed reducer can be detached, and the limiting part of the anti-loosening device is directly sleeved on the ventilation pipeline during installation.

Preferably, the limiting part comprises two semicircular sleeves which are spliced outside the ventilation pipeline, connecting holes are formed in one ends, far away from the fixing part, of the semicircular sleeves respectively, one semicircular sleeve and the fixing part are of an integrated structure, the oilcan does not need to be detached during installation, and the assembly is more convenient.

Specifically, two semicircle sleeve pipe inboard is provided with the rubber bed course, plays the guard action to ventilative pipeline, thereby avoids locking device and ventilative pipeline too big frictional force that produces in long-time transportation and operation process to cause wearing and tearing, influences ventilative pipeline's life.

The invention also discloses a lorry-mounted crane which comprises the rotary speed reducer pipeline anti-loosening device.

Compared with the prior art, the utility model discloses can obtain following technological effect:

the utility model discloses a set up locking device on the permeability cell, effectively solved whole car and did not carry on spacingly and the not hard up scheduling problem that appears to the permeability cell in long-time transportation and operation process, improved the holistic stability of vehicle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the installation structure of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural diagram of an embodiment of the present invention;

fig. 4 is a schematic structural diagram of another embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-3, a pipeline anti-loosening device for a rotary speed reducer comprises a rotary speed reducer 1 and an anti-loosening device 2.

The rotary speed reducer 1 is composed of a transmission mechanism 11, a ventilation pipeline 12, an oil can 13 and a motor 14, and the anti-loosening device 2 is positioned on the ventilation pipeline 12; locking device 2 comprises fixed part 21 and spacing portion 22, and spacing portion 22 is located the one end of fixed part 21, and it is whole to be cyclic annular to the internal diameter cooperatees with ventilative pipeline 12, is connected with ventilative pipeline 12 with the mode that cup joints, and the one end of keeping away from spacing portion 21 on the fixed part 21 is buckled, and the internal thread hole has been seted up at the center of the end of buckling, through nut and bolt fastening on external device.

The working principle is as follows: during installation, the oil can 13 on the rotary speed reducer 1 is firstly detached, then the annular limiting part 22 of the anti-loosening device 2 is sleeved on the ventilation pipeline, and finally the anti-loosening device is fixed with an external device through the internal threaded hole on the bent end of the fixing part 21.

Example 2

As shown in fig. 4, in order to avoid repeated assembly and disassembly of the oil can 13 and the ventilation pipeline 12 on the rotary speed reducer 1, the limiting part 22 is further improved, the limiting part 22 is composed of two semicircular sleeves, one of the semicircular sleeves and the fixing part 21 are directly processed into an integral structure, a groove is arranged at the connecting part of the fixing part 21 and the semicircular sleeve, the other semicircular sleeve can be spliced on the fixing part 21, connecting holes are respectively arranged at one ends of the two semicircular sleeves far away from the fixing part 21, when the two semicircular sleeves are installed, firstly, the semicircular sleeves integrated with the fixing part 21 are jointed with the ventilation pipeline 12, then the other semicircular sleeves are spliced with the ventilation pipeline, finally, bolts are used for fixing through the connecting holes, meanwhile, rubber cushion layers are arranged on the inner sides of the two semicircular sleeves, the anti-loosening device has the advantages that the ventilation pipeline is protected, and abrasion caused by overlarge friction force generated by the anti-loosening device and the ventilation pipeline in long-time transportation and operation processes is avoided.

In addition, as shown in fig. 1, the utility model also provides a lorry crane, include as above-mentioned technical scheme slewing reducer pipeline locking device. During installation, the rotary speed reducer 1 provided with the anti-loosening device 2 is installed on the lorry-mounted crane 3, then the bending end of the fixing part 21 of the anti-loosening device 2 is fixed on the corresponding position of the lorry-mounted crane 3 through a bolt, so that the problem of looseness of the ventilation pipeline 12 of the lorry-mounted crane 3 in long-time transportation and operation processes is effectively avoided, and the stability of the whole vehicle is ensured.

Claims

1. The utility model provides a rotary speed reducer pipeline anti loosening device, includes rotary speed reducer (1) and anti loosening device (2), rotary speed reducer (1) comprises drive mechanism (11), ventilative pipeline (12), oilcan (13) and motor (14), anti loosening device (2) are installed on ventilative pipeline (12), its characterized in that: the anti-loosening device (2) comprises a fixing part (21) and a limiting part (22) which is positioned at one end of the fixing part (21) and connected with the ventilation pipeline (12).

2. The anti-loosening device for pipelines of the rotary speed reducer as claimed in claim 1, wherein: one end of the fixing part (21) far away from the limiting part (22) is bent, and a through hole is formed in the center of the bent end.

3. The anti-loosening device for pipelines of the rotary speed reducer as claimed in claim 2, wherein: the anti-loosening device (2) is fixed with an external device through a bolt.

4. The anti-loosening device for pipelines of the rotary speed reducer as claimed in claim 1, wherein: the limiting part (22) is annular, and the inner diameter of the limiting part is matched with the ventilation pipeline (12).

5. The anti-loosening device for pipelines of the rotary speed reducer as claimed in claim 1, wherein: the limiting part (22) comprises two semicircular sleeves which are spliced outside the ventilation pipeline (12), connecting holes are formed in one ends, far away from the fixing part (21), of the two semicircular sleeves respectively, and one of the semicircular sleeves and the fixing part (21) are of an integrated structure.

6. The anti-loosening device for pipelines of the rotary speed reducer as claimed in claim 5, wherein: and rubber cushion layers are arranged on the inner sides of the two semicircular sleeves.

7. An on-board crane, characterized in that the on-board crane comprises the slewing reducer pipeline anti-loosening device as claimed in any one of claims 1 to 6.