Integral hoisting device for primary spring set of bogie

Abstract

The utility model discloses an integral hoisting device for a primary spring set of a bogie, and belongs to the technical field of auxiliary tools for assembly of bogie parts. According to the utility model, the frame covers the outside of the primary spring group from top to bottom through the accommodating cavity; the lifting ring is arranged in the center of the top end of the frame through a guide column; the hook arm mechanism comprises a plurality of hook arms and a connecting body in sliding connection with the guide column. The hook arms are evenly distributed in the circumferential direction of the outer wall of the frame and rotationally connected with the frame, so that in the free state, the hook arms vertically stand on the outer portion of the frame and enable hook claws fixedly connected with one ends of the hook arms to intrude into the coverage area of the horizontal plane projection of the containing cavity, and the other ends of the hook arms are rotationally connected with the connecting body. By means of the linkage device, the operation period is effectively shortened, physical exhaustion is reduced, repeated actions are eliminated, and the risk of personnel strain caused by the fact that materials and parts are heavy is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bogie component assembly auxiliary frock technical field especially relates to a bogie primary spring group whole hoisting device. BACKGROUND

[0002] At present, in the assembly process of the previous high-speed rail bogie, when installing the primary spring group and the axle box rotating arm, five components (laminated spring, inner steel spring, outer steel spring, spring baffle and adjusting pad) of the primary spring group need to be sequentially placed on the axle box rotating arm, the outer steel spring needs to use a truss vehicle, and the remaining four workpieces need to be manually carried. Each bogie needs to go back and forth between the material storage area and the bogie assembly station for 20 times, which takes 15 minutes, and the operator needs to manually carry the workpieces with a total weight of about 104 kg in batches, walks a total distance of 60 m in batches, and lifts the workpieces with a total weight of 104 kg (the inner steel spring is the heaviest, and a single piece weighs 15 kg) from about 0 m to a height of 1.5 m for 16 times. During the lifting of the material, the operator needs to squat or bend down and then stand up straight. Since each bogie has four primary spring groups, the operator needs to carry the related materials back and forth for 16 times when performing this process, and uses the truss vehicle to lift the heaviest outer steel spring for 4 times. Therefore, the operation time is long, the physical strength is consumed, and the operator may be injured due to the heavy weight of the materials.

[0003] Therefore, in view of the above problems, the utility model provides a bogie primary spring group whole hoisting device. UTILITY MODEL CONTENT

[0004] The utility model discloses a bogie primary spring group whole hoisting device which can shorten the operation cycle, reduce the physical strength consumption, eliminate the repeated action, and reduce the risk of injury caused by the heavy weight of the materials.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The utility model discloses a bogie primary spring group whole hoisting device which can shorten the operation cycle, reduce the physical strength consumption, eliminate the repeated action, and reduce the risk of injury caused by the heavy weight of the materials.

[0007] The frame is internally formed with a containing cavity for containing the primary spring group, and the frame is provided with an opening part in communication with the containing cavity;

[0008] The lifting ring is arranged at the top center position of the frame through the guide column;

[0009] The hook arm mechanism includes a plurality of connecting bodies which are slidably connected with the guide columns;

[0010] The hook arms are uniformly distributed along the outer wall of the frame and are rotationally connected with the frame, so that in a free state, the hook arms stand vertically outside the frame and the hook claws fixedly connected with one end of the hook arms intrude into the covering area of the projection of the accommodating cavity on the horizontal plane, and the other end of the hook arms is rotationally connected with the connecting body through a connecting rod, so that driving movement of one hook arm relative to the frame synchronously drives linkage of multiple hook arms.

[0011] Further, the hook arms are rotationally connected with the frame through horizontal shafts away from the hook claws, and the top ends of the hook arms are formed with detour sections extending obliquely towards the lifting rings, the distal ends of the detour sections are rotationally connected with the connecting rods through shafts, and the connecting rods are obliquely and continuously connected with the connecting body.

[0012] Further, a central hole slidably connected with the guide columns is formed in the middle of the connecting body, and ear plates are uniformly distributed on the outer wall of the connecting body and are rotationally connected with the connecting rods through shafts.

[0013] Further, a number of connecting arms matching the number of the hook arms are circumferentially distributed on the frame, the connecting arms vertically and downwardly extend, so that multiple connecting arms form the accommodating cavity, the top ends of the connecting arms are rotationally connected with the hook arms, and the connecting arms are provided with mounting grooves for accommodating the hook arms, so that the hook arms can be folded in the mounting grooves.

[0014] Further, the frame further comprises a supporting ring, and the lower parts of multiple connecting arms are fixedly connected with the supporting ring.

[0015] Further, through holes penetrating through the mounting grooves are formed in the connecting arms, and limit pins are inserted into the through holes.

[0016] In the above technical solution, the bogie primary spring group integral hoisting device has the following beneficial effects:

[0017] The bogie primary spring group integral hoisting device designed in the utility model has the following advantages: firstly, the frame can be covered outside the primary spring group through the accommodating cavity;

[0018] Secondly, the hook arm mechanisms are circumferentially distributed along the frame, the hook arm mechanisms are rotationally connected with the frame through the hook arms, the hook arms are slidably connected with the guide columns of the lifting rings through the connecting body, and one hook arm can drive linkage of multiple hook arms through the connecting body;

[0019] In addition, the hook claws are fixedly connected with the bottom ends of the hook arms, and the hook claws can intrude into the covering area of the projection of the accommodating cavity on the horizontal plane in a free state of the hook arms.

[0020] The device utilizes the shape characteristics of the whole spring set, is aligned with the workpiece during the descending process of the operation truss vehicle, and is locked by the weight of the workpiece during lifting, one person is needed during hoisting, no need to bend down to carry the material, the number of back and forth of the operator is reduced to 4 times, the time consumption is reduced to 5 minutes, the weight of the manually carried material is reduced to 0 Kg, the total walking distance is reduced to 15 m, and no manpower is needed to lift the material, no need to bend down or squat, the effects of reducing the operation cycle, reducing the physical consumption, eliminating the repeated action and reducing the risk of labor injury caused by the heavy material are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0022] Figure 1 is a working state schematic view of a bogie primary spring set whole hoisting device disclosed by the present application;

[0023] Figure 2 is a state schematic view of the bogie primary spring set whole hoisting device moving out the primary spring set disclosed by the present application;

[0024] Figure 3 is a front view of the bogie primary spring set whole hoisting device disclosed by the present application.

[0025] Explanation of reference signs:

[0026] 1, frame; 2, lifting ring; 3, hook arm mechanism; 4, horizontal shaft; 5, limiting pin;

[0027] 101, accommodating cavity; 102, connecting arm; 103, mounting groove; 104, supporting ring;

[0028] 201, guide column;

[0029] 301, hook arm; 302, hook claw; 303, detour section; 304, connecting rod; 305, connecting body. DETAILED DESCRIPTION

[0030] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail below with reference to the drawings.

[0031] Referring to Figure 1 as shown;

[0032] The utility model discloses a bogie primary spring set whole hoisting device, comprising:

[0033] The utility model discloses a bogie primary spring group whole hoist device, which is used for hoisting a primary spring group which is sequentially assembled with laminated spring, inner steel spring, outer steel spring, spring baffle and adjusting pad, and the hoist device comprises:

[0034] Frame 1 is internally formed with containing cavity 101 containing the primary spring group, and the frame 1 is provided with opening part communicated with the containing cavity 101, and the primary spring group enters the containing cavity 101 through the opening part;

[0035] Lifting ring 2 is arranged at the top center position of the frame 1 through guide column 201, the lifting ring 2 is connected with the truss car, and the frame 1 is lifted and transported; and

[0036] Hook arm mechanism 3 comprises a plurality of hook arms 301 and the sliding connection body 305 of the guide column 201 of the lifting ring 2, and specifically, three hook arms 301 are included in the embodiment;

[0037] The hook arms 301 are evenly distributed along the outer wall of the frame 1 and are rotatably connected with the frame 1, so that in a free state, the hook arms 301 are vertically erected outside the frame 1 and the hook claws 302 fixedly connected at one end of the hook arms 301 intrude into the covering area of the containing cavity 101 projected on the horizontal plane, and the other end of the hook arms 301 is rotatably connected with the connecting body 305 through the connecting rod 304, so that the movement of one hook arm 301 relative to the frame 1 synchronously drives the linkage of a plurality of hook arms 301.

[0038] Referring to Figure 2 , 3 As shown in the drawings:

[0039] Preferably, the hook arms 301 are rotatably connected with the frame 1 through horizontal shaft 4 away from the hook claws 302, the top end of the hook arms 301 is formed with oblique extension detour section 303 towards the lifting ring 2, the end of the detour section 303 is rotatably connected with the connecting rod 304 through the shaft, and the connecting rod 304 is connected with the connecting body 305 in a downward continuation inclined manner.

[0040] The center hole for slidingly connecting with the guide column 201 of the lifting ring 2 is formed in the middle of the connecting body 305, and the outer wall of the connecting body 305 is evenly distributed with the lug plate, and the lug plate is rotatably connected with the connecting rod 304 through the shaft.

[0041] Referring to Figure 2 As shown in the drawings:

[0042] Preferably, the frame 1 is configured as a hollow frame body structure, and a plurality of connecting arms 102 are circumferentially arranged on the frame 1, the connecting arms 102 vertically extend downward, and the plurality of connecting arms 102 jointly form a receiving cavity 101, the connecting arms 102 are rotatably connected with the hook arms 301, and the connecting arms 102 are provided with mounting grooves 103 for accommodating the hook arms 301, so that the hook arms 301 can be folded in the mounting grooves 103.

[0043] The frame 1 further comprises a support ring 104, and the lower portions of the plurality of connecting arms 102 are fixedly connected with the support ring 104, that is, the connecting arms 102 are sequentially connected through the support ring 104, so that the structural stability of the frame 1 is improved.

[0044] The connecting arms 102 are provided with through holes penetrating the mounting grooves 103, and the through holes are provided with limiting pins 5, so that the hook arms 301 are prevented from being reset due to gravity.

[0045] In the above technical solution, the use method of the bogie primary spring set integral lifting device is as follows:

[0046] When working (see Figure 1 , one of the hook arms 301 of the hook arm mechanism 3 is first opened, and the other two hook arms 301 are separated from each other under the guidance of the connecting bodies 305 and the guide columns 201 and the frame 1 and the horizontal shaft 4. At this time, the three hook claws 302 are separated from the hook arms 301, the limiting pins 5 are inserted into the through holes of the connecting arms 102 of the frame 1, the hook arms 301 are prevented from being reset due to gravity, the truss crane is used to lift the lifting ring 2, so that the entire device is lifted, and then the device is lowered above the primary spring set. The device is stably landed on the primary spring set and coaxially aligned under the guidance of the frame 1, the limiting pins 5 are pulled out, the three hook claws 302 are automatically closed with the hook arms 301 by gravity, the flanges at the edge positions of the primary spring set are hooked, the truss crane is operated to lift the device, at this time, the primary spring set is grabbed by the device and is tightly gripped by the primary spring set by means of the lever structure of the device and the gravity of the primary spring set. After the primary spring set is placed at the corresponding working position, the truss crane is lowered, so that the influence of the gravity of the primary spring set on the hook claws 302 is eliminated, the hook arms 301 are opened, the remaining hook arms 301 are opened, and the truss crane is operated to lift the device away. The whole process is operated by one person.

[0047] The above only describes some exemplary embodiments of the utility model in a descriptive manner, and it is needless to say that those skilled in the art can modify the described embodiments in various different ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A bogie primary spring set integral hoisting device, characterized in that, The utility model relates to a kind of hooking arm mechanism, including: Frame (1), which is covered from top to bottom by a containing cavity (101) outside a series of spring groups; Lifting ring (2), which is installed at the top center of the frame (1) by guide column (201); Hook arm mechanism (3), which includes a plurality of hook arms (301) and a connecting body (305) connected with the guide column (201); The hook arms (301) are evenly distributed along the outer wall of the frame (1) and are rotationally connected with the frame (1), so that in a free state, the hook arms (301) are vertically erected outside the frame (1) and the hook claws (302) connected with one end of the hook arms (301) intrude into the projection area of the containing cavity (101) in the horizontal plane, and the other end of the hook arms (301) is rotationally connected with the connecting body (305), so that the movement of one hook arm (301) relative to the frame (1) synchronously drives a plurality of hook arms (301).

2. The bogie primary spring group integral hoisting device according to claim 1, characterized in that ； The end of the hook arms (301) away from the hook claws (302) is rotationally connected with the frame (1) by a horizontal shaft (4), and the top end of the hook arms (301) forms a detour section (303) extending obliquely towards the lifting ring (2), and the distal end of the detour section (303) is rotationally connected with a connecting rod (304) by a shaft, and the connecting rod (304) is obliquely connected with the connecting body (305) in continuation.

3. The bogie primary spring group integral hoisting device according to claim 2, wherein the bogie primary spring group integral hoisting device further comprises a bogie primary spring group integral hoisting device lifting device. Characterized in that A central hole is formed in the middle of the connecting body (305) for sliding connection with the guide column (201), and the outer wall of the connecting body (305) is evenly provided with an ear plate, which is rotationally connected with the connecting rod (304) by a shaft.

4. The bogie primary spring group integral hoisting device according to claim 1, wherein the bogie primary spring group integral hoisting device further comprises a bogie primary spring group integral hoisting device safety device. Characterized in that The frame (1) is circumferentially provided with a number of connecting arms (102) matching the number of hook arms (301), the connecting arms (102) extend vertically downward, so that a plurality of connecting arms (102) form the containing cavity (101), the top end of the connecting arms (102) is rotationally connected with the hook arms (301), and the connecting arms (102) are provided with mounting grooves (103) for accommodating the hook arms (301), so that the hook arms (301) can be folded in the mounting grooves (103).

5. The bogie primary spring group integral hoisting device according to claim 4, wherein the bogie primary spring group integral hoisting device further comprises a bogie primary spring group integral hoisting device safety device. Characterized in that The frame (1) further includes a support ring (104), and the lower parts of a plurality of connecting arms (102) are fixedly connected with the support ring (104).

6. The bogie primary spring assembly integral hoisting device of claim 4, wherein the bogie primary spring assembly integral hoisting device further comprises a bogie primary spring assembly integral hoisting device. Characterized in that A through hole is formed in the connecting arms (102) and extends through the mounting grooves (103), and a limiting pin (5) is inserted into the through hole.

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