CN117818731A - Buffering brake device for blood purifying equipment - Google Patents

Abstract

The invention discloses a buffering brake device for blood purification equipment, which comprises a vehicle body, a handrail component, a buffering brake component and a positioning component, wherein the vehicle body comprises a vehicle plate and wheel components arranged at the front end and the rear end of the bottom of the vehicle plate, the handrail component comprises a handrail hinged with two sides of the vehicle body, a limiting mechanism limiting the handrail to a first state or a second state and a guide component connected with the bottom end of the handrail, the buffering brake component comprises a friction mechanism connected with the guide component and capable of sliding along the direction opposite to the advancing direction of the vehicle body along the guide component and a buffering locking mechanism contacted with the friction mechanism, and the positioning component is arranged at the tail end of the vehicle body and can position the buffering locking mechanism.

Description

Buffering brake device for blood purifying equipment

Technical Field

The invention relates to the technical field of transportation devices, in particular to a buffering brake device for blood purification equipment.

Background

At present, for a handcart for carrying a heavy device, due to the fact that the device is too heavy, inertia is large when pushing, and when braking is needed, workers are needed to drag the handcart. The vehicle body is stopped after being decelerated by a mode of dragging by a worker, the labor intensity of the worker is increased, and for blood purification equipment adopting a brake caliper mode, such as CRRT equipment, the total machine net weight is generally more than 120KG, and also, because the equipment is overweight, inertia is large when pushing, sudden braking and stopping of the brake caliper are adopted, sudden braking and forward tilting of the trolley can be caused, the operator is injured easily, the vehicle body is turned over, and the device is damaged.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.

Therefore, the invention aims to provide a buffering brake device for blood purification equipment, which is used for buffering and stopping a car body, so that the labor intensity of a pushing person is reduced, and the problem of difficult stopping caused by inertial impact of heavy equipment is solved.

In order to solve the technical problems, according to one aspect of the present invention, the following technical solutions are provided:

a cushionable brake device for a blood purification apparatus, comprising:

a vehicle body including a vehicle panel and a wheel assembly disposed at front and rear end positions of a bottom portion of the vehicle panel;

the handrail assembly comprises a handrail hinged with two sides of the vehicle body, a limiting mechanism for limiting the handrail to a first state or a second state and a guide part connected with the bottom end of the handrail;

the buffer brake assembly comprises a friction mechanism connected with the guide part and capable of sliding along the direction opposite to the advancing direction of the vehicle body along the guide part, and a buffer locking mechanism contacted with the friction mechanism;

the positioning component is arranged at the tail end of the vehicle body and can position the buffer locking mechanism;

when the armrest is in the first state, the friction mechanism is separated from the ground, and when the armrest is in the second state, the friction mechanism is in contact with the ground and slides along the guide part in the direction opposite to the advancing direction of the vehicle body so as to drive the buffer locking mechanism to buffer and decelerate the vehicle body and lock and brake the wheels.

As a preferred embodiment of the cushioned brake device for a blood purification apparatus of the present invention, the wheel assembly includes a symmetrically disposed axle seat, an axle installed between the two axle seats, and wheels fixed to both ends of the axle and having a first brake caliper.

As a preferable scheme of the buffering brake device for the blood purifying equipment, the side edge of the vehicle body is provided with a first limiting hole and a second limiting hole;

the handrail has holds the handle, the inner wall symmetry of holding the handle is provided with the metal pole that can keep away from each other or be close to in the handrail, is located the cover is provided with first spring on holding the metal pole of handle inside position, the outer wall of holding the handle is provided with the side and is the pressing piece of sloping face, the one end of metal pole with the sloping face contact of pressing piece, the other end follow wear out in the handrail and with a spacing hole and the spacing hole adaptation of second.

As a preferable mode of the buffering brake device for the blood purifying equipment, the side edge of the vehicle body is provided with a lifting guide groove;

the end part of the handrail is provided with an inclined guide groove;

the side of the guide member is provided with a shaft post inserted into the lifting guide groove and the inclined guide groove.

As a preferable scheme of the buffering brake device for the blood purifying equipment, the friction mechanism comprises a movable plate, a friction plate, a first connecting rod and a push plate, wherein the top of the movable plate is provided with a guide block, the friction plate is connected with the bottoms of the two movable plates, the first connecting rod is connected with the tops of the two guide blocks, and one end of the push plate is vertically connected with the side wall of the first connecting rod and is vertically bent downwards;

the top of the guide component is provided with a chute penetrating to the bottom, and the guide block penetrates from the bottom of the chute and penetrates from the top.

As a preferred scheme of the buffering brake device for the blood purifying equipment, the invention further comprises a supporting seat, one end of the supporting seat is fixed at the bottom of the vehicle body, the other end of the supporting seat is sleeved at the middle position of the shaft rod, a sliding rail is further arranged between the two supporting seats, and a shaft column is arranged at the middle part of the sliding rail;

the buffer locking mechanism comprises a rotating block sleeved on the shaft column, a second connecting rod symmetrically arranged relative to the axis of the shaft column, one end of the second connecting rod is hinged to the end part of the rotating block, a guide sliding rod hinged to the end part of the second connecting rod and capable of sliding relative to the sliding rail, two third connecting rods hinged to the middle part of the guide sliding rod, a pushing block sleeved on the shaft rod and hinged to the third connecting rod, and a third spring arranged between the pushing block and the supporting seat, wherein the pushing block is provided with a second brake caliper matched with the first brake caliper, and the wheels are braked to stop rotating when the first brake caliper is clamped with the second brake caliper.

As a preferable scheme of the buffering brake device for the blood purifying equipment, the tail end of the pushing block is provided with a first triangular block;

the positioning assembly comprises a guide frame fixed at the tail end of the vehicle body, a longitudinal lifting rod, a second triangular block and a second spring, wherein two ends of the longitudinal lifting rod vertically penetrate through guide holes of the guide frame, the second triangular block is arranged at the top end of the longitudinal lifting rod and matched with the first triangular block, and the second spring is sleeved on the longitudinal lifting rod and positioned between the first triangular block and the guide frame;

when the first brake caliper and the second brake caliper are clamped, the vertical surfaces of the first triangular block and the second triangular block are in contact.

As a preferred embodiment of the cushioned brake device for a blood purification apparatus according to the present invention, a pedal is provided at a middle position of the vertical lifting rod.

As a preferred embodiment of the cushionable brake device for a blood purification apparatus according to the present invention, the friction plate has a bottom portion having an uneven friction surface.

As a preferable mode of the bufferable brake device for a blood purifying apparatus according to the present invention, a support column for supporting the blood purifying apparatus is vertically provided at a top of the vehicle plate.

Compared with the prior art, the invention has the following beneficial effects: when the vehicle body is required to be braked, the buffering brake device contacts with the ground through the friction mechanism and slides along the direction opposite to the advancing direction of the vehicle body along the guide part, so that the buffering lock mechanism is driven to buffer and decelerate the vehicle body and lock and brake the wheels.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art. Wherein:

FIG. 1 is a schematic view showing the overall structure of a cushioned brake device for a blood purification apparatus according to the present invention;

FIG. 2 is a schematic view showing a part of a structure of a bufferable brake apparatus for a blood purification device of the present invention with a vehicle deck removed;

FIG. 3 is a schematic view showing a structure of a vehicle body of a cushioned brake device for a blood purifying apparatus according to the present invention;

FIG. 4 is a schematic view of the structure of a vehicle body and armrest assembly of a cushioned brake device for a blood purification apparatus of the present invention;

FIG. 5 is a schematic view showing the assembly of a body and a stopper mechanism and a guide member of a cushioned brake device for a blood purification apparatus according to the present invention;

FIG. 6 is a schematic view of a handrail assembly of a cushioned brake device for a blood purification apparatus according to the present invention;

FIG. 7 is a schematic diagram showing an assembled structure of a wheel assembly and a damper brake assembly of a buffable brake apparatus for a blood purifying device according to the present invention;

FIG. 8 is a schematic diagram showing an assembled structure of a wheel assembly and a damper locking mechanism of a damper brake device for a blood purifying apparatus according to the present invention;

FIG. 9 is a schematic view showing the assembly of a buffer locking mechanism and a positioning assembly of a buffer brake device for a blood purification apparatus according to the present invention;

fig. 10 is a schematic diagram showing an assembly structure of a bufferable brake device for a blood purifying apparatus and the blood purifying apparatus according to the present invention.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings.

Next, the present invention will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The invention provides a buffering brake device for blood purification equipment, which is used for buffering and stopping a car body, so that the labor intensity of a pusher is reduced, and the problem of difficulty in stopping caused by inertial impact of heavy equipment is solved.

Fig. 1 to 10 are schematic structural views showing an embodiment of a buffable brake apparatus for a blood purifying device according to the present invention, referring to fig. 1, a main body portion of the buffable brake apparatus for a blood purifying device includes a vehicle body 100, an armrest assembly 200, a buffable brake assembly 300 and a positioning assembly 400.

The vehicle body 100 includes a vehicle plate 110 and a wheel assembly 120 disposed at front and rear end positions of a bottom portion of the vehicle plate 110, and in this embodiment, the wheel assembly 120 includes axle seats 120a symmetrically disposed, an axle 120b installed between the two axle seats 120a, and wheels 120c fixed to both ends of the axle 120b and having first brake calipers 120c-1, and a support column 110d supporting a blood purifying apparatus is vertically disposed at a top portion of the vehicle plate 110.

The armrest assembly 200 includes an armrest 210 hinged to both sides of the vehicle body 100, a stopper mechanism 220 for limiting the armrest 210 to a first state or a second state, and a guide member 230 connected to a bottom end of the armrest 210, the guide member 230 being for guiding movement after the buffer brake assembly 300 contacts the ground, in which case the armrest 210 drives the friction mechanism 310 to be separated from the ground when the armrest 210 is in the first state, and the armrest 210 drives the friction mechanism 310 to contact the ground when the armrest 210 is in the second state.

The damper brake assembly 300 includes a friction mechanism 310 connected to the guide member 230 and slidable in a direction opposite to the forward direction of the vehicle body 100 along the guide member 230, and a damper lock mechanism 320 in contact with the friction mechanism 310, wherein in this embodiment, after the friction mechanism 310 contacts the ground, the friction mechanism slides in a direction opposite to the forward direction of the vehicle body 100 along the guide member 230 and pushes the damper lock mechanism 320 to operate, at this time, the damper lock mechanism 320 first buffers the vehicle body 100 to slow down the vehicle body 100, and then when the guide member 230 pushes the damper lock mechanism 320 to a certain position, the damper lock mechanism 320 contacts the wheels 120c of the vehicle body 100 to lock and brake the wheels 120 c.

The positioning assembly 400 is mounted at the tail end of the vehicle body 100, and is used for limiting the buffer locking mechanism 320 after the buffer locking mechanism 320 contacts with the wheel 120c of the vehicle body 100.

In this embodiment, in order to realize the limitation of the limitation mechanism 220 to the armrest 210 in the first state and the second state, as shown in fig. 3 to 6, the side edge of the vehicle body 100 is provided with a first limitation hole 110b and a second limitation hole 110c, the armrest 210 is provided with a hand-holding handle 210a, the inner wall of the hand-holding handle 210a is symmetrically provided with a metal rod 220a which can be far away from or close to each other in the armrest 210, the metal rod 220a positioned in the inner position of the hand-holding handle 210a is sleeved with a first spring 220b, the outer wall of the hand-holding handle 210a is provided with a pressing block 220d with an inclined side edge, one end of the metal rod 220a is contacted with the inclined side edge of the pressing block 220d, the other end of the metal rod 220a penetrates out from the inside of the armrest 210 and is matched with one limitation hole 110b and the second limitation hole 110c, in the pushing state, the other end of the metal rod 220a is inserted into the second limiting hole 110c, at this time, the armrest 210 is in the first state, when the vehicle body 100 needs to be braked in a decelerating manner, a pushing person presses the pressing block 220d, at this time, the inclined surface of the pressing block 220d presses the end of the metal rod 220a, under the extrusion of the pressing block 220d, the metal rod 220a moves away from the outer end in the armrest 210, so that the other end of the metal rod 220 is separated from the second limiting hole 110c, and then the armrest 210 is lifted upwards and the pressing of the pressing block 220d is released, so that the armrest 210 rotates upwards until the end of the metal rod 220 is correspondingly inserted into the first limiting hole 110b, at this time, the armrest 210 is limited to the second state.

In this embodiment, in order to achieve the switching of the armrest 210 from the first state to the second state, the friction mechanism 310 may be in contact with the ground, as shown in fig. 3 to 6, the side of the vehicle body 100 has a lifting guide groove 110a, the end of the armrest 210 has an inclined guide groove 210b, the side of the guide member 230 has a shaft post 230a inserted into the lifting guide groove 110a and the inclined guide groove 210b, and during the switching of the armrest 210 from the first state to the second state, the shaft post 230a is driven to vertically move downward along the lifting guide groove 110a due to the restriction of the inclined guide groove 210b and the lifting guide groove 110a, and the guide member 230 is driven to move downward, and then the guide member 230 drives the friction mechanism 310 to synchronously move downward to contact the ground.

In this embodiment, in order to switch the armrest 210 from the first state to the second state, the guide member 230 may drive the friction mechanism 310 to move downward to contact the ground synchronously, and make the friction mechanism 310 move in the opposite direction to the advancing direction of the vehicle body 100 relative to the guide member 230, as shown in fig. 7, the friction mechanism 310 includes a moving plate 310a with a guide block 310a-1 at the top, a friction plate 310b connected to the bottoms of the two moving plates 310a, a first link 310c connected to the tops of the two guide blocks 310a-1, and a push plate 310d with one end vertically connected to the side wall of the first link 310c and vertically bent downward, where the top of the guide member 230 is provided with a sliding groove 230b penetrating to the bottom, and the guide block 310a-1 penetrates from the bottom of the sliding groove 230b to protrude from the top, when the friction plate 310b contacts the ground, and after the friction plate 310b is in contact with the ground, the vehicle body 100 continues to move forward due to inertia due to the friction force acting against the ground, the first link 310c moves in the sliding groove 230b, and preferably has a concave-convex friction surface opposite direction to the advancing direction of the vehicle body 100.

In this embodiment, in order to move the friction mechanism 310 in the opposite direction to the forward direction of the vehicle body 100 relative to the guide member 230, the wheel assembly 120 further includes a support base 120d having one end fixed to the bottom of the vehicle body 100 and the other end sleeved on the middle portion of the shaft rod 120b, as shown in fig. 8, a slide rail 130 is further provided between the two support bases 120d, the middle portion of the slide rail 130 has a boss 130a, the friction mechanism 320 includes a rotating block 320a sleeved on the boss 130a, a second link 320b symmetrically provided with respect to the axis of the boss 130a and having one end hinged to the end of the rotating block 320a, a guide slide bar 320c hinged to the end of the second link 320b and slidable relative to the slide rail 130, two third links 320d having one end hinged to the middle portion of the guide slide bar 320c, a pushing block 320e sleeved on the shaft rod 120b and hinged to the third link 320d, and a third spring 320f provided between the pushing block 320e and the support base 120d, the push block 320e has a second brake caliper 320e-1 engaged with the first brake caliper 120c-1, wherein when the first brake caliper 120c-1 and the second brake caliper 320e-1 are engaged, the wheel 120c is braked to stop rotating, after the friction plate 310b of the friction mechanism 310 contacts the ground, at which time the friction plate 310b is stationary with respect to the ground due to friction with the ground, the vehicle body 100 continues to move forward due to inertia, the first link 310c moves in the slide groove 230b through the guide block 310a-1, and when moving in a direction opposite to the advancing direction of the vehicle body 100 with respect to the guide member 230, the push plate 310d pushes the right guide slide bar 320c to move rightward, and during the rightward movement of the right guide slide bar 320c due to the actions of the second link 320b and the rotary block 320a, the two guide sliding bars 320c are spaced apart from each other and simultaneously drive the push block 320e to approach the wheel 120c along the shaft 120b by the third link 320d, and simultaneously the third spring 320f is extended to engage with the friction plate 310b to block the forward movement of the vehicle body 100, thereby decelerating the vehicle body 100, and when the push block 320e moves along the shaft 120b to engage the first brake caliper 120c-1 and the second brake caliper 320e-1, the wheel 120c is braked to stop rotating.

In this embodiment, in order to position the first brake caliper 120c-1 and the second brake caliper 320e-1 when the first brake caliper 120c-1 and the second brake caliper 320e-1 are engaged, as shown in fig. 9, the tail end of the push block 320e has a first triangle block 320e-1, the positioning assembly 400 includes a guide frame 410 fixed to the tail end of the vehicle body 110, a longitudinal elevating rod 420 having both ends vertically penetrating a guide hole of the guide frame 410, a second triangle block 440 provided at the top end of the longitudinal elevating rod 420 and engaged with the first triangle block 320e-1, and a second spring 430 sleeved on the longitudinal elevating rod 420 and located between the first triangle block 320e-1 and the guide frame 410, when the push block 320e approaches the wheel 120c along the shaft 120b, the inclined surface of the first triangle block 320e-1 is engaged with the inclined surface of the second triangle block 440 and presses the second triangle block 440, at this time, the longitudinal lifting bar 420 moves down along the guide frame 410 while the second spring 430 is pressed, when the first triangle block 320e-1 passes over the second triangle block 440, the first brake caliper 120c-1 and the second brake caliper 320e-1 are engaged, the vertical surfaces of the first triangle block 320e-1 and the second triangle block 440 are in contact, the first brake caliper 120c-1 and the second brake caliper 320e-1 are positioned, the first brake caliper 120c-1 and the second brake caliper 320e-1 are not separated, when the first brake caliper 120c-1 and the second brake caliper 320e-1 need to be released from being positioned, only the longitudinal lifting bar 420 needs to be stepped down, at this time, the first triangle block 320e-1 and the second triangle block 440 are separated, the first brake caliper 120c-1 and the second brake caliper 320e-1 are not limited by the positioning assembly 400, preferably, in the present embodiment, a pedal 420a is provided at a middle position of the vertical lift lever 420, so that the vertical lift lever 420 is conveniently stepped on.

Referring to fig. 1 to 10, in a buffering brake device for a blood purifying apparatus according to the present embodiment, in a process that an initial worker pushes a vehicle body 100 to walk, a handrail 210 is in a first state, when the vehicle body 100 needs to be braked, the handrail 210 is firstly switched from the first state to a second state through a limiting mechanism 220, when the handrail 210 is in the second state, a friction mechanism 310 on a buffering brake assembly 300 contacts with the ground, then moves along a direction opposite to a forward direction of the vehicle body 100 along a guiding member 230 and drives a buffering locking mechanism 320 to buffer and decelerate the vehicle body 100, and then locks and brakes wheels, and when the wheels are locked and braked, a positioning assembly 400 locks the buffering locking mechanism 320 and the wheels at this time, so that the braking of the vehicle body 100 is completed.

Although the invention has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. A cushionable brake device for a blood purification apparatus, comprising:

a vehicle body (100) including a vehicle plate (110), and a wheel assembly (120) disposed at a bottom front-rear end position of the vehicle plate (110);

an armrest assembly (200) including an armrest (210) hinged to both sides of the vehicle body (100), a stopper mechanism (220) that restricts the armrest (210) to a first state or a second state, and a guide member (230) connected to a bottom end of the armrest (210);

a damper brake assembly (300) including a friction mechanism (310) connected to the guide member (230) and slidable along the guide member (230) in a direction opposite to the forward direction of the vehicle body (100), and a damper lock mechanism (320) in contact with the friction mechanism (310);

a positioning assembly (400) mounted at the rear end of the vehicle body (100) and capable of positioning the damper lock mechanism (320);

when the armrest (210) is in the first state, the friction mechanism (310) is separated from the ground, and when the armrest (210) is in the second state, the friction mechanism (310) is in contact with the ground and moves along the guide member (230) in the direction opposite to the advancing direction of the vehicle body (100) so as to drive the buffer locking mechanism (320) to buffer and decelerate the vehicle body (100) and then lock and brake the wheels.

2. A bufferable brake apparatus for a blood purifying device according to claim 1, wherein the wheel assembly (120) comprises symmetrically arranged axle seats (120 a), an axle (120 b) mounted between the two axle seats (120 a), and a wheel (120 c) with a first brake caliper (120 c-1) fixed at both ends of the axle (120 b).

3. The cushioned brake device for a blood purification apparatus according to claim 1, wherein the side edge of the vehicle body (100) has a first limiting hole (110 b) and a second limiting hole (110 c);

the handrail (210) is provided with a hand holding handle (210 a), metal rods (220 a) which can be far away from or close to each other in the handrail (210) are symmetrically arranged on the inner wall of the hand holding handle (210 a), a first spring (220 b) is sleeved on the metal rods (220 a) which are positioned at the inner position of the hand holding handle (210 a), a pressing block (220 d) with an inclined side surface is arranged on the outer wall of the hand holding handle (210 a), one end of each metal rod (220 a) is in contact with the inclined surface of the corresponding pressing block (220 d), and the other end of each metal rod (220 a) penetrates out of the handrail (210) and is matched with one limiting hole (110 b) and one second limiting hole (110 c).

4. A flushable brake device for blood purification apparatus according to claim 2, characterized in that the side of the vehicle body (100) has a lifting guide groove (110 a);

the end part of the handrail (210) is provided with an inclined guide groove (210 b);

the side of the guide member (230) has a shaft post (230 a) inserted into the elevation guide groove (110 a) and the inclined guide groove (210 b).

5. A bufferable brake apparatus for a blood purification device according to claim 2, wherein the friction mechanism (310) comprises a moving plate (310 a) having guide blocks (310 a-1) at the top, a friction plate (310 b) connected to the bottoms of the two moving plates (310 a), a first link (310 c) connected to the tops of the two guide blocks (310 a-1), and a push plate (310 d) having one end connected to the side wall of the first link (310 c) vertically and bent vertically downward;

wherein, a chute (230 b) penetrating to the bottom is arranged at the top of the guide component (230), and the guide block (310 a-1) penetrates from the bottom of the chute (230 b) and penetrates from the top.

6. The buffering brake device for blood purifying equipment according to claim 2, wherein the wheel assembly (120) further comprises a supporting seat (120 d) with one end fixed at the bottom of the vehicle body (100) and the other end sleeved at the middle position of the shaft lever (120 b), a sliding rail (130) is further arranged between the two supporting seats (120 d), and a shaft post (130 a) is arranged at the middle part of the sliding rail (130);

the buffer locking mechanism (320) comprises a rotating block (320 a) sleeved on the axle column (130 a), a second connecting rod (320 b) symmetrically arranged relative to the axle center of the axle column (130 a) and with one end hinged to the end part of the rotating block (320 a), a guide sliding rod (320 c) hinged to the end part of the second connecting rod (320 b) and capable of sliding relative to the sliding rail (130), two third connecting rods (320 d) with one end hinged to the middle part of the guide sliding rod (320 c), a pushing block (320 e) sleeved on the axle rod (120 b) and hinged to the third connecting rod (320 d), and a third spring (320 f) arranged between the pushing block (320 e) and the supporting seat (120 d), wherein the pushing block (320 e) is provided with a second brake caliper (320 e-1) matched with the first brake caliper (120 c-1), and the first brake caliper (120 c-1) and the second brake caliper (320 e-1) are stopped from rotating when the first brake caliper (120 c-1) and the second brake caliper (320 e-1) are stopped.

7. The cushioned brake arrangement for a blood purification apparatus of claim 6, wherein the tail end of the push block (320 e) has a first triangular block (320 e-1);

the positioning assembly (400) comprises a guide frame (410) fixed at the tail end of the vehicle body (110), a longitudinal lifting rod (420) with two ends vertically penetrating through guide holes of the guide frame (410), a second triangular block (440) arranged at the top end of the longitudinal lifting rod (420) and matched with the first triangular block (320 e-1), and a second spring (430) sleeved on the longitudinal lifting rod (420) and positioned between the first triangular block (320 e-1) and the guide frame (410);

wherein when the first brake caliper (120 c-1) and the second brake caliper (320 e-1) are engaged, the vertical surfaces of the first triangular block (320 e-1) and the second triangular block (440) are in contact.

8. The cushioned brake apparatus for a blood purification apparatus according to claim 1, wherein a pedal (420 a) is provided at a middle position of the longitudinal lifting rod (420).

9. The cushioned brake apparatus for a blood purification device of claim 5, wherein the friction plate (310 b) has a bottom portion with an uneven friction surface.

10. A flushable brake device for a blood purification apparatus according to claim 1, characterized in that the roof of the deck (110) is vertically provided with support columns (110 d) supporting the blood purification apparatus.