CN220056039U

CN220056039U - Stator clamping device

Info

Publication number: CN220056039U
Application number: CN202321217174.4U
Authority: CN
Inventors: 翟浩天; 孙贤初; 齐立雷; 张伟; 刘学东; 印超; 张利民; 周二涛; 孟德阳
Original assignee: Hebei Electric Motor Co ltd
Current assignee: Hebei Electric Motor Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-11-21
Anticipated expiration: 2033-05-19

Abstract

The utility model provides a stator clamping device, which belongs to the technical field of motor assembly and comprises a suspender, a plurality of fixed connecting frames, a sliding connecting frame, a connecting rod group, a supporting plate and a fastener, wherein the suspender is fixedly connected with the fixed connecting frames; the fixed connecting frame is fixedly connected with the suspender, the sliding connecting frame is connected to the suspender in a sliding way, the supporting plates are arranged around the suspender, and two ends of the connecting rods are respectively hinged with the fixed connecting frame and the supporting plates or respectively hinged with the sliding connecting frame and the supporting plates; a locating plate is fixedly arranged on the suspender, and a locating hole is formed in the locating plate; the sliding connecting frame is provided with a positioning rod which is positioned right below the positioning hole and is in sliding fit with the positioning hole; the positioning rod is provided with a locking hole, the fastener is arranged on the positioning plate and is provided with a locking part connected with the locking hole. The stator clamping device provided by the utility model can smoothly enter or leave the stator, ensures the normal use of the stator clamping device and eliminates potential safety hazards.

Description

Stator clamping device

Technical Field

The utility model belongs to the technical field of motor assembly, and particularly relates to a stator clamping device.

Background

At present, when the stator is hoisted by using the hoisting tool, after the hoisting tool is placed in the stator, the movable support moves downwards along the guide rod under the action of gravity, and a plurality of support rods are outwards expanded under the hinging action of a plurality of connecting arms and tightly extruded with the inner wall of the stator, so that the stator is smoothly hoisted. The lifting tool with the structure is arranged in the stator or taken out from the stator, the movable support needs to be pulled to slide along the guide rod to retract the plurality of support rods, the movable support is difficult to be ensured to be safely and firmly arranged at the upper end of the guide rod in the mode, the lifting tool is easy to slide downwards, the normal use of the lifting tool is influenced, and potential safety hazards exist.

Disclosure of Invention

The utility model aims to provide a stator clamping device, which solves the technical problems that a movable support in the prior art cannot be fixed at the upper end of a guide rod, normal use of a hoisting tool is affected, and potential safety hazards exist.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the stator clamping device comprises a suspender, a plurality of fixed connecting frames, a sliding connecting frame, a plurality of connecting rod groups, a plurality of supporting plates and fasteners; the fixed connecting frames and the sliding connecting frames are in one-to-one correspondence with the connecting rod groups; the sliding connecting frames and the fixed connecting frames are arranged on the hanging rods, a plurality of fixed connecting frames are arranged at intervals along the length direction of the hanging rods and are fixedly connected with the hanging rods, and the sliding connecting frames are connected onto the hanging rods in a sliding manner and are positioned above the fixed connecting frames; a plurality of support plates are arranged around the suspender and are used for being connected with the inner wall of the stator; the plurality of connecting rod groups are arranged between the suspenders and the supporting plates, and two ends of the plurality of connecting rods in the connecting rod groups are respectively hinged with the fixed connecting frame and the supporting plates or respectively hinged with the sliding connecting frame and the supporting plates; the hanger rod is fixedly provided with a positioning plate, the positioning plate is positioned above the sliding connecting frame, and the positioning plate is provided with a positioning hole; the sliding connecting frame is provided with a positioning rod which is positioned right below the positioning hole and is in sliding fit with the positioning hole; the locating rod is provided with a locking hole, and the fastener is arranged on the locating plate and is provided with a locking part connected with the locking hole.

In one possible implementation manner, the positioning plate is provided with a sliding hole, one end of the sliding hole is communicated with the inner wall of the positioning hole, and the length direction of the sliding hole is perpendicular to the length direction of the positioning hole; the upper end of the locating plate is provided with a strip opening communicated with the sliding hole, the locking part is located in a rod-shaped structure in sliding fit with the sliding hole, the fastener further comprises an operation end in sliding connection with the strip opening, the operation end is fixedly arranged on the locking part, and the operation end is located above the locating plate.

In one possible implementation manner, an elastic member is disposed at an end of the sliding hole away from the positioning hole, and one end of the locking portion is connected to the elastic member and used for pressing the other end of the locking portion to move toward the positioning hole.

In one possible implementation, the elastic member is a spring, and one end of the locking portion is provided with a receiving groove for receiving an end of the elastic member.

In one possible implementation, an anti-falling distance is provided between the strip opening and the positioning hole.

In one possible implementation, the locking portion is integrally formed with the operating end.

In one possible implementation, the positioning rod, the positioning hole and the fastener are all plural and correspond one to one.

In one possible implementation, a first suspension ring is provided at the upper end of the suspension rod.

In one possible implementation manner, the radial dimension of the sliding connection frame is greater than the radial dimension of the positioning plate, a second hanging ring is arranged on the sliding connection frame, and the second hanging ring is located outside the upper end of the positioning plate.

In one possible implementation, a rubber pad for contacting the inner wall of the stator is arranged on the side of the support plate away from the suspension rod.

The stator clamping device provided by the utility model has the beneficial effects that: compared with the prior art, when the stator clamping device is required to be installed in a stator or is required to be taken out from the stator, a worker firstly controls the sliding connecting frame to slide upwards along the suspender, drives the plurality of support plates to shrink inwards under the action of the connecting rods in the plurality of connecting rod groups, the positioning rods on the sliding connecting frame pass through the positioning holes, and then controls the fasteners to enable the locking parts to penetrate into the positioning holes so as to realize connection of the positioning rods and the positioning plates, so that the whole stator clamping device is ensured to enter the stator; after the positioning clamping device enters the positioning, the fastener is controlled to enable the locking part to be separated from the positioning hole, the sliding connecting frame moves downwards along the suspender, and the supporting plates are expanded outwards and tightly connected with the inner wall of the stator under the action of the connecting rods; through the mode, in the process of controlling the sliding connecting frame to move upwards, the positioning rod passes through the positioning hole and uses the fastener to connect the sliding connecting frame with the positioning plate, so that the stator clamping device can smoothly enter or leave the stator, normal use of the stator clamping device is ensured, and potential safety hazards are eliminated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a stator clamping device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a connection between a locating plate and a fastener according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a fastener according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a positioning plate according to an embodiment of the present utility model;

fig. 5 is a cross-sectional view of a positioning plate according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1. a boom; 11. a first hanging ring; 2. a connecting frame is fixed; 3. a sliding connection frame; 31. a positioning rod; 32. a locking hole; 33. the second hanging ring; 4. a connecting rod group; 41. a connecting rod; 5. a support plate; 51. rubber cushion; 6. a fastener; 61. a locking part; 62. an operation end; 63. a receiving groove; 7. a positioning plate; 71. positioning holes; 72. a sliding hole; 73. a strip opening; 74. an elastic member; 75. anti-falling spacing.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 5, a stator clamping device provided by the present utility model will now be described. A stator clamping device comprises a suspender 1, a plurality of fixed connecting frames 2, a sliding connecting frame 3, a plurality of connecting rod groups 4, a plurality of supporting plates 5 and fasteners 6; the fixed connecting frames 2 and the sliding connecting frames 3 are in one-to-one correspondence with the connecting rod groups 4; the sliding connecting frames 3 and the fixed connecting frames 2 are arranged on the suspender 1, a plurality of fixed connecting frames 2 are arranged at intervals along the length direction of the suspender 1 and are fixedly connected with the suspender 1, and the sliding connecting frames 3 are connected onto the suspender 1 in a sliding manner and are positioned above the fixed connecting frames 2; a plurality of support plates 5 are arranged around the suspender 1, and the support plates 5 are used for being connected with the inner wall of the stator; the plurality of connecting rod groups 4 are arranged between the suspender 1 and the supporting plate 5, and two ends of the plurality of connecting rods 41 in the connecting rod groups 4 are respectively hinged with the fixed connecting frame 2 and the supporting plate 5 or respectively hinged with the sliding connecting frame 3 and the supporting plate 5; a positioning plate 7 is fixedly arranged on the suspender 1, the positioning plate 7 is positioned above the sliding connecting frame 3, and a positioning hole 71 is arranged on the positioning plate 7; the sliding connecting frame 3 is provided with a positioning rod 31, and the positioning rod 31 is positioned right below the positioning hole 71 and is in sliding fit with the positioning hole 71; the positioning rod 31 is provided with a locking hole 32, and the fastener 6 is mounted on the positioning plate 7 and has a locking portion 61 connected to the locking hole 32.

Compared with the prior art, when the stator clamping device is required to be installed in a stator or the stator clamping device is required to be taken out from the stator, a worker firstly controls the sliding connecting frame 3 to slide upwards along the suspender 1, the plurality of supporting plates 5 are driven to shrink inwards under the action of the connecting rods 41 in the plurality of connecting rod groups 4, the positioning rods 31 on the sliding connecting frame 3 penetrate through the positioning holes 71, and then controls the fastening pieces 6 to enable the locking parts 61 to penetrate into the positioning holes 71 to realize connection of the positioning rods 31 and the positioning plates 7, so that the whole stator clamping device is ensured to enter the stator; after the positioning clamping device enters the positioning, the fastener 6 is controlled to enable the locking part 61 to be separated from the positioning hole 71, the sliding connecting frame 3 moves downwards along the suspender 1, and the supporting plates 5 are expanded outwards and tightly connected with the inner wall of the stator under the action of the connecting rods 41; in this way, in the process of controlling the sliding connection frame 3 to move upwards, the positioning rod 31 passes through the positioning hole 71, and the sliding connection frame 3 is connected with the positioning plate 7 by using the fastener 6, so that the stator clamping device can smoothly enter into or leave from the stator, normal use of the stator clamping device is ensured, and potential safety hazards are eliminated.

Referring to fig. 1 to 5, as a specific embodiment of the stator clamping device provided by the present utility model, a sliding hole 72 is provided on the positioning plate 7, one end of the sliding hole 72 is communicated with the inner wall of the positioning hole 71, and the length direction of the sliding hole 72 is perpendicular to the length direction of the positioning hole 71; the upper end of the positioning plate 7 is provided with a strip opening 73 communicated with the sliding hole 72, the locking part 61 is in a rod-shaped structure in sliding fit with the sliding hole 72, the fastener 6 also comprises an operation end 62 in sliding connection with the strip opening 73, the operation end 62 is fixedly arranged on the locking part 61, and the operation end 62 is positioned above the positioning plate 7; when the fastener 6 is mounted on the positioning plate 7, the locking part 61 on the fastener 6 is slidably connected in the sliding hole 72 through the strip opening 73, and the operation end 62 is positioned on the upper end surface of the positioning plate 7; when the positioning rod 31 passes through the positioning hole 71, the operator holds the operating end 62 by hand to slide along the elongated opening 73 on the positioning plate 7, so that the locking portion 61 slides in the sliding hole 72, and the locking portion 61 penetrates into the locking hole 32 from the sliding hole 72, thereby realizing the fixed connection of the positioning rod 31 and the positioning plate 7.

Referring to fig. 2 to 4, as a specific embodiment of the stator clamping device provided by the utility model, an elastic member 74 is disposed at an end of the sliding hole 72 away from the positioning hole 71, one end of the locking portion 61 is connected with the elastic member 74 for pressing the other end of the locking portion 61 to move toward the positioning hole 71, the elastic member 74 is installed in the sliding hole 72, and after the locking portion 61 is installed in the sliding hole 72, the locking portion 61 is pushed by the elastic member 74 to make the sliding hole 72 face the positioning hole 71 and enter the locking hole 32. The elastic member 74 generates a certain force to the locking portion 61, so that the fastener 6 is more firmly fixed to the positioning rod 31.

Referring to fig. 1 and 2, as a specific embodiment of the stator clamping device provided by the present utility model, the elastic member 74 is a spring, and one end of the locking portion 61 is provided with a receiving groove 63 for receiving an end of the elastic member 74; after the locking portion 61 is fitted into the slide hole 72, one end of the spring penetrates into the accommodating groove 63 and contacts the bottom surface of the accommodating groove 63, and the interaction of the spring with the locking portion 61 is made more stable and reliable by the accommodating groove 63.

Referring to fig. 2 and fig. 4, as a specific embodiment of the stator clamping device provided by the present utility model, an anti-falling space 75 is provided between the elongated opening 73 and the positioning hole 71; that is, after the locking portion 61 is pushed toward the positioning hole 71 by the elastic member 74, one end of the locking portion 61 away from the elastic member 74 is brought into the anti-falling space 75 between the elongated opening 73 and the positioning hole 71, preventing the locking portion 61 and the operation end 62 from falling out of the sliding hole 72 and the elongated opening 73.

Preferably, the locking portion 61 is integrally formed with the operating end 62, improving the connection strength of the locking portion 61 and the operating end 62 and the operation accuracy therebetween.

Referring to fig. 3, as a specific embodiment of the stator clamping device provided by the present utility model, the positioning rods 31, the positioning holes 71 and the fasteners 6 are all plural and are in one-to-one correspondence, so that when the sliding connection frame 3 moves upwards, the positioning rods 31 respectively pass through the corresponding positioning holes 71, and then the positioning rods 31 are simultaneously and fixedly connected to the positioning plate 7 by using the fasteners 6, and the positioning rods 31 are connected with the positioning plate 7, thereby improving the stability and reliability of the sliding connection frame 3. A plurality of positioning holes 71 are provided uniformly along the circumferential direction of the positioning plate 7.

Referring to fig. 1, as a specific embodiment of the stator clamping device provided by the utility model, a first hanging ring 11 is arranged at the upper end of a hanging rod 1, and when the stator clamping device is lifted by using a crane or the like, a lifting hook of the crane is connected with the first hanging ring 11, so that the whole stator clamping device can be safely and reliably lifted, and safety accidents are not easy to occur.

Referring to fig. 1, as a specific embodiment of the stator clamping device provided by the utility model, the radial dimension of the sliding connection frame 3 is larger than the radial dimension of the positioning plate 7, the sliding connection frame 3 is provided with a second hanging ring 33, the second hanging ring 33 is located at the outer side of the upper end of the positioning plate 7, the second hanging ring 33 on the sliding connection frame 3 is installed at the outer side of the upper end of the sliding connection frame 3 by means of the sliding connection frame 3 being larger than the positioning plate 7 and staggered with the positioning plate 7, and when the sliding connection frame 3 is pulled upwards by using a lifting appliance or the like, the lifting hook of the lifting appliance is connected with the second hanging ring 33, so that the lifting hook of the lifting appliance cannot interfere with the positioning plate 7. The number of the second hanging rings 33 is plural and is uniformly arranged around the hanger rod 1 so that the sliding link 3 can smoothly and smoothly move up and down.

Referring to fig. 1, as a specific embodiment of the stator clamping device provided by the present utility model, a rubber pad 51 for contacting with an inner wall of a stator is disposed on a side of a support plate 5 away from a suspension rod 1; the rubber cushion 51 is arranged, so that when the plurality of support plates 5 are outwards spread in the downward moving process of the sliding connecting frame 3, the contact between the support plates 5 and the inner wall of the stator is realized by the aid of the rubber cushion 51, and the phenomenon of means caused by violent collision between the support plates 5 and the inner wall of the stator is avoided. The rubber pad 51 is mounted on the support plate 5 by bolts.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The stator clamping device is characterized by comprising a hanging rod, a plurality of fixed connecting frames, a sliding connecting frame, a plurality of connecting rod groups, a plurality of supporting plates and fasteners; the fixed connecting frames and the sliding connecting frames are in one-to-one correspondence with the connecting rod groups; the sliding connecting frames and the fixed connecting frames are arranged on the hanging rods, a plurality of fixed connecting frames are arranged at intervals along the length direction of the hanging rods and are fixedly connected with the hanging rods, and the sliding connecting frames are connected onto the hanging rods in a sliding manner and are positioned above the fixed connecting frames; a plurality of support plates are arranged around the suspender and are used for being connected with the inner wall of the stator; the plurality of connecting rod groups are arranged between the suspenders and the supporting plates, and two ends of the plurality of connecting rods in the connecting rod groups are respectively hinged with the fixed connecting frame and the supporting plates or respectively hinged with the sliding connecting frame and the supporting plates; the hanger rod is fixedly provided with a positioning plate, the positioning plate is positioned above the sliding connecting frame, and the positioning plate is provided with a positioning hole; the sliding connecting frame is provided with a positioning rod which is positioned right below the positioning hole and is in sliding fit with the positioning hole; the locating rod is provided with a locking hole, and the fastener is arranged on the locating plate and is provided with a locking part connected with the locking hole.

2. The stator clamping device as claimed in claim 1, wherein the positioning plate is provided with a sliding hole, one end of the sliding hole is communicated with the inner wall of the positioning hole, and the length direction of the sliding hole is perpendicular to the length direction of the positioning hole; the upper end of the locating plate is provided with a strip opening communicated with the sliding hole, the locking part is located in a rod-shaped structure in sliding fit with the sliding hole, the fastener further comprises an operation end in sliding connection with the strip opening, the operation end is fixedly arranged on the locking part, and the operation end is located above the locating plate.

3. The stator clamping apparatus as set forth in claim 2, wherein an elastic member is provided at an end of the sliding hole remote from the positioning hole, and one end of the locking portion is connected to the elastic member for pressing the other end of the locking portion toward the positioning hole.

4. A stator clamping apparatus according to claim 3, wherein the elastic member is a spring, and one end of the locking portion is provided with a receiving groove for receiving an end of the elastic member.

5. The stator clamping apparatus of claim 2 wherein an anti-drop gap is provided between the elongated opening and the locating hole.

6. The stator clamping apparatus of claim 2 wherein the locking portion is integrally formed with the operating end.

7. The stator clamping apparatus of claim 1 wherein the plurality of locating posts, locating holes and fasteners are in one-to-one correspondence.

8. The stator clamping apparatus of claim 1 wherein a first suspension loop is provided at an upper end of the suspension bar.

9. The stator clamping device of claim 1, wherein the radial dimension of the sliding connection frame is greater than the radial dimension of the positioning plate, a second hanging ring is arranged on the sliding connection frame, and the second hanging ring is positioned outside the upper end of the positioning plate.

10. The stator clamping apparatus of claim 1 wherein a side of the support plate remote from the hanger bar is provided with a rubber pad for contacting an inner wall of the stator.