CN214205272U

CN214205272U - Tractor maintenance field assembling and disassembling device

Info

Publication number: CN214205272U
Application number: CN202022932612.8U
Authority: CN
Inventors: 邵佳伟; 徐国良; 施亚军
Original assignee: Zhejiang Mato Drive Equipment Co ltd
Current assignee: Zhejiang Mato Drive Equipment Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-14
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a tractor maintenance site installation and removal device, which is characterized by comprising two pairs of fixers consisting of a lower bracket and an upper bracket which are connected through screw rods, wherein the number of the screw rods is two, and the distance between the two screw rods is larger than the radial maximum size of the tractor; a stator pressing quasi-mold, a rotor pressing quasi-mold and a guide cylinder quasi-mold are matched with the fixer; the stator pressing quasi-mold is provided with a cylinder body matched with the diameter of the end face of the tractor stator, and the rotor pressing quasi-mold is provided with a cylinder body matched with the diameter of the end face of the tractor rotor; the guide cylinder quasi-mold is provided with a supporting surface matched with the bearing outer ring of the central shaft of the traction machine. The elevator traction machine can be disassembled and assembled on site by sharing the fixing device and the special part by one pair, the problems of high cost, long time and the like caused by the fact that the traction machine must be returned to a factory for maintenance are solved, the structure is simple, the elevator traction machine is suitable for operation in a complex narrow environment, the positioning is safe and stable, the collection volume is small, the weight is light, and the elevator traction machine is convenient to carry.

Description

Tractor maintenance field assembling and disassembling device

Technical Field

The utility model relates to a tractor maintenance technique, especially a tractor maintenance field installation is maintained and is torn open quick-witted device.

Background

The elevator tractor is an important driving and braking component in elevator operation, has large volume and heavy weight, can not be moved basically by manpower, and can only be returned to the factory for maintenance in most cases when the accessories need to be replaced due to quality problems. The cost of transportation and the like is high in factory returning and maintenance, the time period is long, and a lot of inconvenience is brought to users. In addition, the space of the elevator in the general area is limited, so that the use of equipment such as a press is inconvenient, and the equipment such as the press has the same volume, large weight, and complex structure, and is not beneficial to operation and transportation. Therefore, the technical personnel in the field designs a device applied to the occasion, such as patent publication No. CN206827870U, a pressing device for field maintenance of an elevator tractor, as a pressing device for field maintenance of the elevator tractor, the defects of the pressing device are that only the machine can be installed, the machine cannot be dismantled, a plurality of accessories such as a stator winding and a large bearing cannot be replaced, and the weight is inconvenient to carry, which is not beneficial to after-sales maintenance personnel.

Disclosure of Invention

The utility model aims at solving the above problem, providing a tractor maintenance field installation device of tearing open, it has characteristics such as simple structure, convenient to carry, removable can adorn.

The above technical problem of the present invention can be solved by the following technical solutions: a tractor maintenance site machine loading and unloading device is characterized by comprising two pairs of fixers consisting of a lower support and an upper support which are connected through screws, wherein the two screws are arranged, and the distance between the two screws is greater than the radial maximum size of a tractor; a stator pressing quasi-mold, a rotor pressing quasi-mold and a guide cylinder quasi-mold are matched with the fixer; the stator pressing quasi-mold is provided with a cylinder body matched with the diameter of the end face of the tractor stator, and the rotor pressing quasi-mold is provided with an ejector rod matched with the diameter of the end face of the tractor rotor; the guide cylinder quasi-mold is provided with a supporting surface matched with the bearing outer ring of the central shaft of the traction machine.

In the assembling and disassembling device for the tractor maintenance site, preferably, the lower support and the upper support are of channel steel or square tube structures, and a plurality of groups of rod penetrating holes which are in one-to-one correspondence are arranged in the length direction of the lower support and the upper support.

In the above-described loading and unloading device for a hoisting machine maintenance and repair site, preferably, the screw has a T-shaped thread, and a push nut is fitted to the screw.

In the assembling and disassembling device for the tractor maintenance site, preferably, the stator pressing standard die is of a short pipe structure, a positioning clamping groove is formed in one end of the short pipe along the wall of one diameter direction of the short pipe, and the width of the positioning clamping groove is in clearance fit with the width of the upper bracket.

In the assembling and disassembling device for the tractor maintenance field, preferably, the end part of the pressing stator standard die, which is opposite to the other end cylinder wall of the positioning clamping groove, is provided with a plurality of tooth grooves; and a cylinder body of the stator pressing standard die is also provided with a light hole.

In the assembling and disassembling device for the tractor maintenance field, preferably, the rotor pressing quasi-mold comprises a torus, a through hole of the torus is larger than the diameter of a rotor shaft of the tractor, and at least three ejector rods which are perpendicular to the torus are arranged on one end surface of the torus.

In the above-mentioned assembling and disassembling device for the tractor maintenance site, preferably, the guide cylinder quay mold has a pipe structure with a closed plate at one end, and the inner diameter of the pipe is larger than the diameter of the tractor rotor shaft.

The technical scheme mainly comprises two pairs of fixers consisting of an upper bracket, a lower bracket and two screws, wherein the two screws are arranged between the lower bracket and the upper bracket in a penetrating way to form a structure body which can form a clamping shape from two end faces of the traction machine. The upper and lower brackets are provided with one-to-one corresponding rod penetrating holes in the length direction, and the distance between the two screws can be selected according to the actual field model of the traction machine, so that the best stress point can be obtained in the clamping, mounting and dismounting process. The auxiliary part of the device is provided with a pressing stator standard die, a pressing rotor standard die and a guide cylinder standard die besides the conventional jack. These quasimodes have at least one basic purpose, such as pressing stator quasimodes specially used for installing the stator of the traction machine, pressing rotor quasimodes can be used for installing the rotor of the traction machine, and guide cylinder quasimodes can finish the disassembly of the bearing. In addition, the fixer can also be used for forming a top rod by using the simplest single-rod bolt so as to press a rotor shaft of a tractor and the like within a small range.

Furthermore, the lower support and the upper support in the device are made of conventional channel steel or square steel, so that the parts are light in weight and the storage volume is minimized on the premise of ensuring enough structural strength, and the device is convenient to carry. Similarly, the stator pressing standard die, the rotor pressing standard die and the guide cylinder standard die are all tubular bodies and can be overlapped and sleeved together for collection and packaging.

Furthermore, the screw rod generally adopts T-shaped threads, so that the torque borne by the nut in the rotating process can be increased, and the propelling speed can be increased. In the scheme, the positioning clamping groove is formed in the cylinder wall at one end, matched with the upper support, of the pressing stator standard die, so that the degree of freedom of the upper support along the end face direction of the traction machine can be eliminated, and the safety and stability of the installation and use process are ensured; the tooth grooves at the other end can be used for avoiding components such as end face nuts and the like, and can also increase the friction force between the pressing stator standard die and the end face of the tractor, so that the stability is improved.

The rotor pressing quasi-die is based on the plate-shaped ring body, the three ejector rods are vertically arranged, the quasi-die can be uniformly positioned on the end face of one end of the tractor rotor, the rotor shaft can be avoided, the structure is simple, the stress is uniform, the weight is light, and the quasi-die can be carried by being divided into single parts according to an on-site assembly mode, namely the three ejector rods and the ring body are in threaded connection.

The device can be configured with a stator pressing standard die, a rotor pressing standard die and a guide cylinder standard die of various specifications, can be sheathed together to be collected as a group, and is marked with a label to meet the field selection.

Compared with the prior art, the beneficial effects of the utility model are that: the elevator traction machine can be disassembled and assembled on site by sharing the fixing device and the special part by one pair, the problems of high cost, long time and the like caused by the fact that the traction machine must be returned to a factory for maintenance are solved, the structure is simple, the elevator traction machine is suitable for operation in a complex narrow environment, the positioning is safe and stable, the collection volume is small, the weight is light, and the elevator traction machine is convenient to carry.

Drawings

Fig. 1 is a schematic view of a structure of a usage state of the present invention.

Fig. 2 is a schematic structural diagram of a disassembled embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a second disassembled embodiment of the present invention.

Fig. 4 is a schematic view of the structure of the pressing stator quasi-mold of the present invention.

Fig. 5 is a schematic diagram of a quasi-mold structure of a pressing rotor according to the present invention.

Fig. 6 is a schematic diagram of a guide cylinder quasi-mold structure of the present invention.

In the figure: 1. the device comprises a first fixer, a second fixer, a screw rod, a pressing stator standard die, a positioning clamping groove 401, a square tooth groove 402, a light hole 403, a traction machine 5, a jack 6, a pressing rotor standard die 7 and a guide cylinder standard die 8.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

As shown in fig. 1, the installing and dismantling device for the tractor maintenance site in the embodiment includes two pairs of fixtures composed of a lower bracket and an upper bracket connected by a screw 3, that is, a first fixture 1 and a second fixture 2, and two screws 3 of each pair of fixtures are respectively located at two ends of the lower bracket and the upper bracket. The lower bracket and the upper bracket are made of channel steel. The distance between the two screw rods 3 is positioned on the outer side of the radial wall of the traction machine, the screw rods 3 are T-shaped threads, and more than 2T-shaped press-in nuts are prepared for each screw rod 3. A plurality of groups of rod penetrating holes which are in one-to-one correspondence are arranged along the length direction of the lower support and the upper support, the rod penetrating holes comprise through holes which are positioned in the middle of the lower support and the upper support, and a nut is welded on the inner side of the middle through hole of the second fixer 2.

The stator pressing quasi-mold 4 is matched with the fixer, the stator pressing quasi-mold 4 is structurally shown in figure 4, a short pipe structure of the stator pressing quasi-mold 4 is in a cylinder structure, the diameter of the cylinder is matched with the diameter of the end face of the stator of the tractor 5, two positioning clamping grooves 401 are arranged on the cylinder wall of one end of the short pipe along the diameter direction of the short pipe, and the width of each positioning clamping groove 401 is in clearance fit with the width of the upper support. The end of the other end of the cylinder wall opposite to the positioning clamping groove 401 is provided with 10 prescription-shaped tooth grooves 402, and the cylinder body is also provided with 6 light holes 403 to reduce the weight of the cylinder body.

Rotor pressing quasi-die 7 referring to fig. 5, the rotor pressing quasi-die 7 has a mandrel that fits the diameter of the rotor end face of the traction machine 5. The rotor pressing standard die 7 comprises a circular ring body of a flat plate structure, the through hole of the circular ring body is larger than the diameter of a rotor shaft of the traction machine 5, three ejector rods which are perpendicular to the circular ring body are arranged on one end face of the circular ring body, and the three ejector rods are evenly arranged.

The guide cylinder standard mould 8 has a supporting surface matched with the bearing outer ring of the central shaft of the traction machine, and as shown in fig. 6, the specific structure is as follows: the whole body is of a pipe body structure, one end of the pipe body is provided with a sealing plate, and the inner diameter of the pipe body is larger than the diameter of a rotor shaft of the traction machine.

The first embodiment is as follows: the pressing stator standard die 4 is installed on the traction machine 4, the cylinder body of the pressing stator standard die is abutted against the end face of the stator of the traction machine 5, as shown in figure 1, the pressing rotor standard die 7 is installed below the traction machine 4, the ejector rod 3 is supported to locate the other end face of the rotor, the upper bracket of the second fixer 2 is clamped in the locating clamping groove 401 of the pressing stator standard die 4, the second fixer 2 is arranged on the inner side, the first fixer 1 forms a cross structure on the outer side, the pressing stator standard die 4, the pressing rotor standard die 7 and the traction machine 5 are connected together through the screw rod 3, and then the installation of the traction machine 5 and the installation of the stator winding can be realized through the nut on the fastening screw rod 3.

Example two: as shown in fig. 3, the pressing stator standard die 4 is installed on the traction machine 4, the cylinder body of the pressing stator standard die is abutted against the end surface of the stator of the traction machine 5, the pressing rotor standard die 7 is installed below the traction machine 4, the 3 supporting ejector rods of the pressing rotor standard die locate the other end surface of the rotor, the upper bracket of the second fixer 2 is clamped in the locating slot 401 of the pressing stator standard die 4, the lengthened screw rod 3 is adopted, the upper bracket and the lower bracket of the first fixer 1 are attached together in a back-to-back manner, the jack 6 is placed between the upper bracket of the second fixer 2 and the bracket of the first fixer 1, and the installation of the traction machine 5 and the installation of the stator winding can be carried out by jacking the jack 6.

Example three: the guide cylinder standard mould 8 is fixed on the traction machine 5, the cylinder body of the guide cylinder standard mould is matched with the bearing outer ring on the central shaft of the traction machine, the second fixer 2 is positioned at the inner side, the first fixer 1 is positioned at the outer side to form a cross structure, all the upper supports and the lower supports are connected with the traction machine 5 through bolts 3, and the traction machine can be disassembled through the fastening of nuts on the upper supports.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limit, other structures such as lower support, upper bracket are square pipe, in practical application, except above-mentioned embodiment, make up through the various accessories of this device, realize other dismantlement assembly methods and tasks in a flexible way, etc. and any is right the utility model discloses a structure etc. after the simple transform all belong to the protection scope.

Claims

1. A tractor maintenance field assembling and disassembling device is characterized by comprising two pairs of fixers consisting of a lower support and an upper support which are connected through screws (3), wherein the two screws are arranged, and the distance between the two screws is greater than the radial maximum size of a tractor; a stator pressing quasi-mold (4), a rotor pressing quasi-mold (7) and a guide cylinder quasi-mold (8) are matched with the fixer; the stator pressing quasi-mold is provided with a cylinder body matched with the diameter of the end face of the tractor stator, and the rotor pressing quasi-mold is provided with an ejector rod matched with the diameter of the end face of the tractor rotor; the guide cylinder standard die (8) is provided with a supporting surface matched with the bearing outer ring of the central shaft of the traction machine.

2. The assembling and disassembling device for the traction machine maintenance site according to claim 1, wherein the lower support and the upper support are in a channel steel or square tube structure, and a plurality of groups of rod penetrating holes are arranged in a one-to-one correspondence manner along the length direction of the lower support and the upper support.

3. The assembling and disassembling device for the traction machine maintenance site according to claim 1, wherein the screw (3) is provided with a T-shaped thread, and a press-in nut is arranged in cooperation with the screw.

4. The assembling and disassembling device for the traction machine maintenance site according to claim 1, wherein the pressing stator standard die (4) is in a short pipe structure, a positioning clamping groove (401) is arranged on the wall of one end of the short pipe along one diameter direction of the short pipe, and the width of the positioning clamping groove is in clearance fit with the width of the upper bracket.

5. The assembling and disassembling device for the traction machine maintenance site according to claim 4, wherein a plurality of tooth grooves (402) are formed in the end part of the cylinder wall at the other end of the stator pressing standard die (4) opposite to the positioning clamping groove (401); and a cylinder body of the stator pressing standard die is also provided with a light hole (403).

6. The assembling and disassembling device for the tractor maintenance site according to claim 1, wherein the rotor pressing standard die (7) comprises a circular ring body, a through hole of the circular ring body is larger than the diameter of a rotor shaft of the tractor, and at least three ejector rods which are perpendicular to the circular ring body are arranged on one end face of the circular ring body.

7. The assembling and disassembling device for the traction machine maintenance site according to claim 1, wherein the guide cylinder standard die (8) is of a pipe body structure with a closed plate at one end, and the inner diameter of the pipe body is larger than the diameter of a rotor shaft of the traction machine.