CN221500348U - Brake disc overturning lifting appliance - Google Patents

Abstract

The utility model belongs to the technical field of rail transit tools and discloses a brake disc overturning lifting appliance. Before clamping the brake disc, the locking assembly is in a locking state, so that the first hoisting arm group and the second hoisting arm group are in a locking state, and then the distance between the clamping end of the first clamping arm and the clamping end of the second clamping arm is fixed and is larger than the diameter of the clamped brake disc. When the lifting appliance moves to the position of the brake disc, the first lifting arm and the second lifting arm rotate to drive the fixed cylinder to synchronously rise so as to drive the lock rod to rotate through the transmission mechanism, so that the lock rod is switched to an unlocking state, the first lifting arm group and the second lifting arm group are unlocked, and the clamping end of the first clamping arm and the clamping end of the second clamping arm can be gradually close to and clamp the brake disc along with the continuous rotation of the lifting arm group, so that subsequent overturning and maintenance work is facilitated. The lifting appliance is simple and convenient to operate, and can improve the operation efficiency.

Description

Brake disc overturning lifting appliance

Technical Field

The utility model relates to the technical field of rail transit tools, in particular to a brake disc overturning lifting appliance.

Background

When overhauling the task to the locomotive, need disassemble the maintenance to locomotive wheel pair constitution, wherein, the brake disc is assembled on the wheel cake with a positive one in reverse state, need hoist to manual work station of polishing and carry out subsequent polishing after accomplishing to, the in-process of polishing, need turn over the operation to the brake disc, make its both sides receive the processing of polishing to guarantee the good operation of locomotive braking system.

At present, the turn-over in the polishing process of the brake disc is mainly operated by manpower to turn over the brake disc, so that the labor intensity is high and the working efficiency is low. In the prior art, the brake disc overturning lifting appliance comprises a lifting ring and a lifting arm fixedly connected with the lifting ring, wherein two tail ends of the lifting arm are respectively provided with a clamping assembly and a rotating assembly, and the clamping assemblies and the brake disc can be driven to overturn through rotation of the rotating assemblies. However, the existing lifting appliance cannot be locked and fixed due to the fact that the lifting arms on two sides are hinged, the distance between the clamping assemblies is smaller than the size of the brake disc, and before the brake disc is clamped and fixed, operators are required to manually adjust the distance between the clamping assemblies, so that the lifting operation efficiency is low, and the overall progress of overhaul is affected.

Disclosure of utility model

The utility model aims to provide a brake disc overturning lifting appliance, the space between clamping ends of which can be automatically locked and fixed, the space is not required to be manually adjusted, clamping of the brake disc before lifting is facilitated, and the working efficiency of overhauling the brake disc can be improved.

To achieve the purpose, the utility model adopts the following technical scheme:

A brake rotor flipping spreader comprising:

The clamping assembly comprises a first clamping arm and a second clamping arm, and the distance between the clamping end of the first clamping arm and the clamping end of the second clamping arm is adjustable;

The clamping jaw assembly is arranged at the clamping end of the first clamping arm and the clamping end of the second clamping arm;

The shearing fork telescopic assembly comprises a first lifting arm set and a second lifting arm set, wherein the first lifting arm set and the second lifting arm set are vertically arranged and hinged, and the second lifting arm set and the first clamping arm and the second clamping arm are both hinged so as to drive the clamping ends of the first clamping arm and the second clamping arm to be relatively close to or far away from each other;

The locking assembly comprises a lock box, a lock rod, a fixed cylinder and a transmission mechanism; the lock box is arranged on the second hoisting arm group and is provided with a lock cavity; the lock rod is provided with a locking state clamped with the lock cavity and an unlocking state separated from the lock cavity; the fixed cylinder is arranged on the first lifting arm set and is used for driving the lock rod to rotate and switch between the locking state and the unlocking state through the transmission mechanism so as to lock or unlock the first lifting arm set and the second lifting arm set;

When the lock rod is in a locking state, the distance between the clamping end of the first clamping arm and the clamping end of the second clamping arm is larger than the diameter of the brake disc to be clamped.

As an alternative scheme of the brake disc overturning lifting appliance, the transmission mechanism comprises an upper guide pipe and a lower guide pipe which are vertically arranged at intervals, the upper guide pipe and the lower guide pipe are fixed in the fixed cylinder and are vertically and slidably sleeved on the lock rod, a first chute is concavely arranged at one end of the upper guide pipe, which faces the lower guide pipe, a second chute is concavely arranged at one end of the lower guide pipe, which faces the upper guide pipe, the wall of the first chute comprises a first guide wall, the first guide wall extends from the bottom of the first chute to the lower guide pipe and is inclined relative to the horizontal direction, the wall of the second chute comprises a second guide wall, and the second guide wall extends from the bottom of the second chute to the upper guide pipe and is inclined relative to the horizontal direction;

The lock rod is provided with a pin shaft in a protruding mode along the radial direction, and the pin shaft can be in contact with the second guide wall which moves upwards and can slide to the bottom of the second chute along the second guide wall so as to drive the lock rod to rotate to an unlocking state; and the pin shaft can be contacted with the first guide wall which moves downwards and slide to the bottom of the first chute along the first guide wall so as to drive the lock rod to rotate to a locking state.

As an alternative scheme of the brake disc overturning lifting appliance, the upper guide pipe is uniformly distributed with a plurality of first sliding grooves along the circumferential direction, and the lower guide pipe is uniformly distributed with a plurality of second sliding grooves along the circumferential direction.

As an alternative scheme of the brake disc overturning lifting appliance, a lock head is arranged on the lock rod, the lock head is in a strip shape, the lock cavity is in an inverted T shape, and the lock head can be clamped in or separated from the lock cavity.

As an alternative scheme of the brake disc overturning lifting appliance, the first lifting arm set comprises a first connecting rod set, and the first connecting rod set comprises two straight arms hinged with each other;

The second lifting arm set comprises a second connecting rod set, the second connecting rod set comprises two crank arms, each crank arm comprises a first arm and a second arm which are arranged at an obtuse angle, an inflection point is formed at the joint of the first arm and the second arm, and the two crank arms are hinged at the inflection point;

One end of the first arm far away from the second arm is hinged with the two straight arms respectively, and one end of the second arm far away from the first arm is hinged with the first clamping arm and the second clamping arm respectively.

As an alternative scheme of the brake disc overturning lifting appliance, the first connecting rod group and the second connecting rod group are respectively arranged at intervals along the horizontal direction and are oppositely provided with two groups, a transverse plate extending along the horizontal direction is arranged between the straight arms of the two groups of the first connecting rod groups, and the fixed cylinder is arranged on the transverse plate; the lock box is connected between the first arms of the two second linkage groups.

As an alternative scheme of the brake disc overturning lifting appliance, one of the two crank arms is provided with a first hinge shaft, and the other crank arm is provided with a second hinge shaft;

The first hinge shaft is hinged with the first clamping arm, the second clamping arm is provided with a second waist-shaped hole along the horizontal direction, and the first hinge shaft is in sliding fit with the second waist-shaped hole.

The second hinge shaft is hinged with the second clamping arm, the first clamping arm is provided with a first waist-shaped hole along the horizontal direction, and the second hinge shaft is in sliding fit with the first waist-shaped hole.

As an alternative scheme of the brake disc overturning lifting appliance, the clamping ends of the first clamping arm and the second clamping arm are respectively provided with a bearing seat;

The clamping jaw assembly comprises a rotating shaft, a V-shaped plate and a friction block, wherein the first end of the rotating shaft is rotatably connected to the bearing seat, the second end of the rotating shaft is connected with the V-shaped plate, the friction block is arranged in a V-shaped groove defined by the V-shaped plate, and the friction block is used for being in contact with the brake disc.

As an alternative scheme of the brake disc overturning lifting appliance, the friction block is provided with a clamping groove, the clamping groove is clamped with the outer edge of the brake disc, and the groove wall, which is in contact with the outer cambered surface of the brake disc, is an arc-shaped wall.

As an alternative to the brake disc overturning lifting appliance, the clamping jaw assembly further comprises a positioning pressing plate, and the positioning pressing plate is arranged above the V-shaped plate and is used for being in contact with the upper surface of the brake disc.

The utility model has the beneficial effects that:

The utility model provides a brake disc overturning lifting appliance which comprises a clamping assembly, a clamping jaw assembly, a scissor fork telescopic assembly and a locking assembly. Before clamping the brake disc, the lock rod is clamped in the lock cavity and is in a locking state, the first lifting arm group and the second lifting arm group are locked, so that the distance between the clamping ends of the first clamping arm and the second clamping arm is kept unchanged, at the moment, the distance between the clamping ends of the first clamping arm and the second clamping arm is larger than the diameter of the clamped brake disc, and therefore, when the lifting appliance moves to the position of the brake disc, the brake disc can be smoothly positioned between the two clamping ends without manually adjusting the distance, and the working efficiency is improved. When the brake disc is clamped, the first lifting arm group rotates relative to the second lifting arm group, the fixed cylinder is driven to synchronously lift up, and then the lock rod is driven to rotate through the transmission mechanism, so that the lock rod is switched to an unlocking state from a locking state to rotate, the locking between the first lifting arm group and the second lifting arm group is released, the clamping end of the first clamping arm and the clamping end of the second clamping arm are gradually close to each other in the continuous rotation process of the first lifting arm group, the brake disc is clamped, and the brake disc is lifted to a designated station conveniently and the subsequent overturning and overhauling work is facilitated. The lifting appliance is simple and convenient to operate, and is beneficial to improving the operation efficiency and the maintenance efficiency.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a brake disc overturning lifting appliance provided by the utility model;

Fig. 2 is a schematic structural view of a locking assembly of a brake disc overturning lifting appliance provided by the utility model;

FIG. 3 is a schematic view of a portion of the structure of the locking assembly of the brake rotor flipping spreader provided by the present utility model;

Fig. 4 is a schematic structural view of a scissor telescopic assembly of the brake disc overturning lifting appliance provided by the utility model;

Fig. 5 is a schematic structural view of a clamping assembly of a brake disc overturning lifting appliance provided by the utility model;

fig. 6 is a schematic structural view of a jaw assembly of a brake disc overturning lifting appliance provided by the utility model.

In the figure:

1. a clamping assembly;

11. A first clamping arm; 111. A first waist-shaped hole;

12. A second clamping arm; 121. A second waist-shaped hole;

13. A bearing seat;

2. A jaw assembly; 21. a rotating shaft; 22. v-shaped plates; 23. a friction block; 230. a clamping groove; 24. positioning a pressing plate;

3. a scissors telescoping assembly;

31. The first hoisting arm group; 311. a first link group; 3110. a straight arm; 3111. a cross plate;

32. The second hoisting arm group; 321. a second link group; 3210. a crank arm; 3211. a first arm; 3212. a second arm; 3213. a first hinge shaft; 3214. a second hinge shaft;

4. a locking assembly;

41. A lock box; 410. a lock cavity;

42. a lock lever; 420. a pin shaft; 421. a lock head;

43. a fixed cylinder;

44. A transmission mechanism; 441. an upper duct; 4410. a first chute; 4411. a first guide wall; 442. a downcomer; 4420. a second chute; 4421. a second guide wall.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 6, the utility model provides a brake disc overturning lifting appliance, which comprises a clamping assembly 1, a clamping jaw assembly 2, a scissors telescopic assembly 3 and a locking assembly 4. The clamping assembly 1 comprises a first clamping arm 11 and a second clamping arm 12, the scissors telescopic assembly 3 comprises a first lifting arm set 31 and a second lifting arm set 32 which are vertically arranged and hinged, and the second lifting arm set 32 is hinged with the first clamping arm 11 and the second clamping arm 12. Under the drive of the scissors telescoping assembly 3, the clamping ends of the first clamping arm 11 and the second clamping arm 12 can be relatively close to or far away from each other, and the clamping ends of the first clamping arm 11 and the second clamping arm 12 are both provided with clamping jaw assemblies 2, so that clamping can be realized on brake discs with different diameters. In addition, the first lifting arm set 31 is provided with a fixed cylinder 43, the second lifting arm set 32 is provided with a lock box 41, the first lifting arm set 31 rotates to drive the fixed cylinder 43 to move and drive the lock rod 42 to rotate through the transmission mechanism 44, so that the lock rod 42 is rotated to be separated from the lock cavity 410 or enter the lock cavity 410, namely, the lock rod 42 is rotated to be switched between a locking state and an unlocking state. The unlocking or the switching of the locking state of the first lifting arm group 31 and the second lifting arm group 32 is realized.

Before clamping the brake disc, the lock rod 42 is clamped in the lock cavity 410 and is in a locking state, and the distance between the clamping ends of the first clamping arm 11 and the second clamping arm 12 is fixed and larger than the diameter of the clamped brake disc, so that the brake disc can be smoothly positioned between the two clamping ends without manually adjusting the distance, thereby being beneficial to improving the working efficiency.

Alternatively, as shown in fig. 2 and 3, the transmission mechanism 44 includes an upper conduit 441 and a lower conduit 442 that are vertically spaced apart, and the upper conduit 441 and the lower conduit 442 are fixed in the fixed cylinder 43 and are vertically slidably sleeved on the lock lever 42. Wherein, a first sliding groove 4410 is concavely disposed at an end of the upper conduit 441 facing the lower conduit 442, and a second sliding groove 4420 is concavely disposed at an end of the lower conduit 442 facing the upper conduit 441. The groove wall of the first chute 4410 includes a first guide wall 4411, and the first guide wall 4411 extends from the groove bottom of the first chute 4410 to the down pipe 442 and is inclined with respect to the horizontal direction; the groove wall of the second chute 4420 includes a second guide wall 4421, and the second guide wall 4421 extends from the groove bottom of the second chute 4420 to the upper guide tube 441 and is inclined with respect to the horizontal direction. Correspondingly, when the first lifting arm set 31 rotates upwards, the upper guide tube 441 is driven to move upwards by the fixed cylinder 43, the pin 420 contacts with the second guide wall 4421 which moves upwards and slides to the bottom of the second chute 4420 along the second guide wall 4421, and in the process that the pin 420 slides along the second guide wall 4421, the pin 420 drives the lock rod 42 to rotate so as to be separated from the lock cavity 410, so that the unlocking state is realized. After the locking assembly 4 is unlocked, the rotation of the first lifting arm set 31 may drive the clamping ends of the first clamping arm 11 and the second clamping arm 12 to approach each other to clamp the brake disc. When the distance between the clamping end of the first clamping arm 11 and the clamping end of the second clamping arm 12 needs to be fixed, the first lifting arm set 31 is rotated downwards to drive the lower guide pipe 442 to move downwards, the pin 420 contacts with the first guiding wall 4411 which moves downwards and slides to the bottom of the first sliding groove 4410 along the first guiding wall 4411, and in the process that the pin 420 slides along the first guiding wall 4411, the pin 420 drives the lock rod 42 to be clamped into the lock cavity 410, so that the locking state is realized. The transmission mechanism 44 is arranged, so that the lifting appliance can automatically and rapidly switch the locking state and the unlocking state of the lock rod 42, and the operation is convenient.

Further, with continued reference to fig. 3, the upper conduit 441 is uniformly distributed with a plurality of first sliding grooves 4410 along the circumferential direction, the lower conduit 442 is uniformly distributed with a plurality of second sliding grooves 4420 along the circumferential direction, and the pin 420 can continuously rotate in the plurality of first sliding grooves 4410 and the plurality of second sliding grooves 4420, so that state switching is realized, and continuity of operation is ensured.

Further, the lock lever 42 is provided with a lock 421, and the lock 421 has a bar shape. Accordingly, the lock cavity 410 is inverted T-shaped, so that the lock 421 can be locked into or separated from the lock cavity 410, and further smooth switching between the locking state and the unlocking state of the lock lever 42 is realized.

Alternatively, as shown in fig. 4, the first lifting arm set 31 includes a first link set 311, and the first link set 311 includes two straight arms 3110 hinged to each other; the second lifting arm set 32 includes a second connecting rod set 321, the second connecting rod set 321 includes two connecting rods 3210, the connecting rods 3210 include a first arm 3211 and a second arm 3212 which are arranged at an obtuse angle, and the two connecting rods 3210 are hinged to each other at an inflection point formed at a connection position of the first arm 3211 and the second arm 3212. The ends of the two first arms 3211, which are far from the second arms 3212, are respectively hinged with the straight arms 3110, and the ends of the two second arms 3212, which are far from the first arms 3211, are respectively hinged with the first clamping arms 11 and the second clamping arms 12. The two second arms 3212 are inclined in a direction away from the straight arm 3110, i.e., extend obliquely downward, so as to be hinged with the first and second clamp arms 11 and 12.

In this embodiment, referring to fig. 5, the first clamping arm 11 includes a first transverse arm and a first longitudinal arm, the second clamping arm 12 includes a second transverse arm and a second longitudinal arm, and one ends of the two second arms 3212, which are far away from the first arm 3211, are respectively hinged to the first transverse arm and the second transverse arm. The clamping jaw assembly 2 is arranged at one end of the first longitudinal arm far away from the first transverse arm and one end of the second longitudinal arm far away from the second transverse arm. When the second link group 321 rotates along with the rotation of the first link group 311, the distance between the first trailing arm and the second trailing arm can be driven to be adjusted, so as to be suitable for clamping brake discs with different sizes.

Further, the first link group 311 and the second link group 321 are respectively provided with two groups at intervals along the horizontal direction and are opposite to each other, a horizontal plate 3111 extending along the horizontal direction is provided between the straight arms 3110 of the two groups of first link groups 311, and the fixed cylinder 43 is provided on the horizontal plate 3111, so that the fixed cylinder 43 can move along with the movement of the first lifting arm group 31. The lock case 41 is connected between the first arms 3211 of the two second link groups 321. The two first connecting rod groups 311 and the two second connecting rod groups 321 enable the scissor telescopic assembly 3 to be more stable in telescopic and can bear a brake disc with a larger weight.

Further, referring to fig. 4 and 5, one of the two crank arms 3210 is provided with a first hinge shaft 3213, and the other is provided with a second hinge shaft 3214. The first hinge shaft 3213 is hinged with a first cross arm of the first clamping arm 11, a second cross arm of the second clamping arm 12 is provided with a second waist-shaped hole 121 along the horizontal direction, and the first hinge shaft 3213 is in sliding fit with the second waist-shaped hole 121; the second hinge shaft 3214 is hinged to a second cross arm of the second clamping arm 12, the first cross arm of the first clamping arm 11 is provided with a first waist-shaped hole 111 along a horizontal direction, and the second hinge shaft 3214 is slidably matched with the first waist-shaped hole 111. When the two second arms 3212 rotate relatively, the first hinge shaft 3213 slides relatively in the second waist-shaped hole 121, and the second hinge shaft 3214 slides relatively in the first waist-shaped hole 111, so that the first cross arm and the second cross arm are in sliding fit, and the distance between the first trailing arm and the second trailing arm is adjusted. The arrangement of the first waist-shaped hole 111 and the second waist-shaped hole 121 can ensure that the distance between the first clamping arm 11 and the second clamping arm 12 is smoothly adjusted.

In this embodiment, the end of the first cross arm far away from the first longitudinal arm and the end of the second cross arm far away from the second longitudinal arm are both provided with bar-shaped holes, the first cross arm and the second cross arm are both hinged with fixed shafts, and the fixed shafts are respectively in sliding fit with the corresponding bar-shaped holes, so that not only can the stability of the hinge joint of the first cross arm and the second cross arm be improved, but also the smooth adjustment of the distance between the two clamping ends can be ensured.

In this embodiment, the first cross arm, the first trailing arm, the second cross arm and the second trailing arm are all hollow structures. The first cross arm is inserted into the inner cavity of the second cross arm, so that the weight of the lifting appliance can be effectively reduced, and the burden of the uplink lifting equipment is reduced. Illustratively, the first clamping arm 11 and the second clamping arm 12 are each formed by welding steel plates.

Optionally, the clamping ends of the first clamping arm 11 and the second clamping arm 12 are respectively provided with a bearing seat 13, and the clamping jaw assembly 2 is rotatably installed on the bearing seat 13, so that the turnover operation after clamping the brake disc is more labor-saving and convenient. As shown in fig. 6, the clamping jaw assembly 2 includes a rotating shaft 21, a V-shaped plate 22 and a friction block 23, a first end of the rotating shaft 21 is rotatably connected to the bearing seat 13, a second end of the rotating shaft 21 is connected to the V-shaped plate 22, and friction blocks 23 are disposed at two ends of a V-shaped groove defined by the V-shaped plate 22, so that friction force of contact clamping with a brake disc can be increased, smooth clamping of the brake disc is ensured, and the brake disc is prevented from being separated from the clamping of the V-shaped plate 22.

Illustratively, in the present embodiment, the friction block 23 is a nylon block. In other embodiments, the friction block 23 may be a rubber block or the like, which is commonly used in the art, so long as the friction at the time of contact can be increased.

Further, a clamping groove 230 clamped with the outer edge of the brake disc is formed in the friction block 23, the groove wall, in contact with the outer cambered surface of the brake disc, of the clamping groove 230 is an arc-shaped wall, and the arc-shaped wall is matched with the outer cambered surface of the brake disc to ensure stability after clamping.

Optionally, the jaw assembly 2 further comprises a positioning platen 24, the positioning platen 24 being disposed above the V-shaped plate 22 for contact with the upper surface of the brake disc. When the lifting appliance moves to the vicinity of the brake disc, the positioning pressing plate 24 is in contact with the brake disc, and then the brake disc is initially positioned, at this time, the brake disc is just placed between the two V-shaped plates 22, and the positions of the two clamping jaw assemblies 2 in the vertical direction do not need to be adjusted repeatedly. The locking assembly 4 is then unlocked, and the distance between the clamping ends of the first clamping arm 11 and the second clamping arm 12 is adjusted by the movement of the scissors telescopic assembly 3 according to the size of the brake disc until the clamping of the brake disc is completed.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A brake rotor overturning lifting appliance, comprising:

The clamping assembly (1) comprises a first clamping arm (11) and a second clamping arm (12), wherein the distance between the clamping end of the first clamping arm (11) and the clamping end of the second clamping arm (12) is adjustable;

The clamping jaw assembly (2) is arranged at the clamping end of the first clamping arm (11) and the clamping end of the second clamping arm (12);

The scissors telescopic assembly (3), the scissors telescopic assembly (3) comprises a first hoisting arm set (31) and a second hoisting arm set (32), the first hoisting arm set (31) and the second hoisting arm set (32) are vertically arranged and hinged, and the second hoisting arm set (32) is hinged with the first clamping arm (11) and the second clamping arm (12) so as to drive the clamping ends of the first clamping arm (11) and the second clamping arm (12) to be relatively close to or far away from each other;

A locking assembly (4), wherein the locking assembly (4) comprises a lock box (41), a lock rod (42), a fixed cylinder (43) and a transmission mechanism (44); the lock box (41) is arranged on the second lifting arm set (32) and is provided with a lock cavity (410); the lock lever (42) has a locked state engaged with the lock chamber (410) and an unlocked state separated from the lock chamber (410); the fixed cylinder (43) is arranged on the first lifting arm set (31), and the fixed cylinder (43) is used for driving the lock rod (42) to rotate and switch between the locking state and the unlocking state through the transmission mechanism (44) so as to lock or unlock the first lifting arm set (31) and the second lifting arm set (32);

When the lock lever (42) is in a locking state, the distance between the clamping end of the first clamping arm (11) and the clamping end of the second clamping arm (12) is larger than the diameter of the brake disc to be clamped.

2. The brake disc overturning lifting appliance according to claim 1, characterized in that the transmission mechanism (44) comprises an upper guide pipe (441) and a lower guide pipe (442) which are vertically arranged at intervals, the upper guide pipe (441) and the lower guide pipe (442) are fixed in the fixed cylinder (43) and are vertically and slidably sleeved on the lock rod (42), one end of the upper guide pipe (441) facing the lower guide pipe (442) is concavely provided with a first sliding chute (4410), one end of the lower guide pipe (442) facing the upper guide pipe (441) is concavely provided with a second sliding chute (4420), the groove wall of the first sliding chute (4410) comprises a first guiding wall (4411), the first guiding wall (4411) extends from the groove bottom of the first sliding chute (4410) to the lower guide pipe (442) and is inclined relative to the horizontal direction, the groove wall of the second sliding chute (4420) comprises a second guiding wall (4421), and the second guiding wall (4421) extends from the groove bottom of the second guide pipe (4420) to the horizontal direction;

A pin shaft (420) is arranged on the lock rod (42) in a protruding mode in the radial direction, and the pin shaft (420) can be in contact with the second guide wall (4421) which moves upwards and can slide to the bottom of the second chute (4420) along the second guide wall (4421) so as to drive the lock rod (42) to rotate to an unlocking state; and the pin shaft (420) can contact with the first guide wall (4411) which moves downwards and slide to the bottom of the first chute (4410) along the first guide wall (4411) so as to drive the lock rod (42) to rotate to a locking state.

3. The brake disc flipping spreader of claim 2, wherein the upper conduit (441) is circumferentially and evenly distributed with a plurality of the first runners (4410), and the lower conduit (442) is circumferentially and evenly distributed with a plurality of the second runners (4420).

4. The brake disc overturning lifting appliance according to claim 2, wherein a locking head (421) is arranged on the locking rod (42), the locking head (421) is in a strip shape, the locking cavity (410) is in an inverted-T shape, and the locking head (421) can be clamped into or separated from the locking cavity (410).

5. The brake disc tilting spreader of claim 1, characterized in that the first set of hoisting arms (31) comprises a first set of links (311), the first set of links (311) comprising two straight arms (3110) hinged to each other;

The second lifting arm set (32) comprises a second connecting rod set (321), the second connecting rod set (321) comprises two crank arms (3210), the crank arms (3210) comprise a first arm (3211) and a second arm (3212) which are arranged at an obtuse angle, the connection part of the first arm (3211) and the second arm (3212) forms an inflection point, and the two crank arms (3210) are hinged at the inflection point;

One end of the two first arms (3211) far away from the second arms (3212) is hinged with the two straight arms (3110) respectively, and one end of the two second arms (3212) far away from the first arms (3211) is hinged with the first clamping arms (11) and the second clamping arms (12) respectively.

6. The brake disc overturning lifting appliance according to claim 5, wherein the first connecting rod group (311) and the second connecting rod group (321) are both arranged at intervals along the horizontal direction and are oppositely provided with two groups, a transverse plate (3111) extending along the horizontal direction is arranged between straight arms (3110) of the two groups of the first connecting rod groups (311), and the fixed cylinder (43) is arranged on the transverse plate (3111); the lock box (41) is connected between the first arms (3211) of the two sets of second linkages (321).

7. The brake disc overturning lifting appliance according to claim 5, characterized in that one of the two crank arms (3210) is provided with a first hinge shaft (3213) and the other is provided with a second hinge shaft (3214);

The first hinge shaft (3213) is hinged with the first clamping arm (11), the second clamping arm (12) is provided with a second waist-shaped hole (121) along the horizontal direction, and the first hinge shaft (3213) is in sliding fit with the second waist-shaped hole (121);

the second hinge shaft (3214) is hinged with the second clamping arm (12), the first clamping arm (11) is provided with a first waist-shaped hole (111) along the horizontal direction, and the second hinge shaft (3214) is in sliding fit with the first waist-shaped hole (111).

8. Brake disc overturning lifting appliance according to claim 1, characterized in that the clamping ends of the first clamping arm (11) and the second clamping arm (12) are both provided with bearing seats (13);

Clamping jaw subassembly (2) include pivot (21), V template (22) and friction disc (23), the first end of pivot (21) rotationally connect in bearing frame (13), the second end of pivot (21) with V template (22) link to each other, be provided with in the V type groove that V template (22) defined friction disc (23), friction disc (23) be used for with the brake disc contact.

9. The brake disc overturning lifting appliance according to claim 8, wherein a clamping groove (230) is formed in the friction block (23), the clamping groove (230) is clamped with the outer edge of the brake disc, and the groove wall, which is in contact with the outer cambered surface of the brake disc, of the clamping groove (230) is an arc-shaped wall.

10. The brake disc flipping spreader of claim 8, wherein the jaw assembly (2) further comprises a positioning platen (24), the positioning platen (24) being disposed above the V-shaped plate (22) for contact with the upper surface of the brake disc.