CN115891504A - Anti-seismic caster and assembling process thereof - Google Patents

Abstract

The invention relates to the technical field of casters, in particular to an anti-seismic caster and an assembly process thereof. When the shock absorption device is used, dual shock absorption treatment is performed from the root and the joint of the caster, so that the shock absorption effect of the caster is greatly improved, the shock absorption part is convenient to overhaul and maintain, and the overhaul and maintenance efficiency of the caster is greatly improved.

Description

Anti-seismic caster and assembling process thereof

Technical Field

The invention relates to the technical field of casters, in particular to an anti-seismic caster and an assembly process thereof.

Background

The truckle is more extensive in the production transportation uses, and in traditional truckle structure, the truckle brake can only lock the truckle, makes it stop to rotate, often installs the elastic component on the truckle in order to reduce the impact force of carrying.

By way of search, patent application No. 202020263999.x discloses an anti-seismic caster comprising a caster bracket, a shock-absorbing arm and a roller; the roller is rotatably connected to one end of a damping arm, and the other end of the damping arm is connected to the caster wheel bracket through an elastic damping block; when the caster wheel support is subjected to gravity load, the elastic damping block can generate elastic torsional deformation.

The elastic part is installed through at the truckle leg joint more to current truckle shock attenuation, and the impact force directly takes place on the wheel, and current vibrations are not got rid of at the root, and maintain at the truckle and change the inconvenience to the elastic part, and it is difficult to satisfy people's requirement.

Disclosure of Invention

The invention aims to solve the problems of poor shock absorption and inconvenient maintenance and repair in the prior art, and provides an anti-seismic caster and an assembly process thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an antidetonation truckle, includes the truckle seat, and truckle seat body inboard rotates installs the truckle body, and the foot brake is installed to truckle seat rear side, the source damper assembly that reduces the truckle amplitude is installed to truckle seat downside, source damper assembly is including running through the rectangular channel of seting up the side around the truckle seat, and rectangular channel one side all articulates there is a body one, the inboard slidable mounting of rectangular channel has the installation piece, two rotate between the installation piece and be connected with the installation pole, and truckle body rotates to be connected on the installation pole, there is the ejector pin bottom surface in the rectangular channel through threaded connection, and the ejector pin top is fixed with the screw thread post, the installation piece bottom surface still is seted up with the identical thread groove of screw thread post, the downside is equipped with damper frame one and damper frame two respectively on the rectangular channel, and damper frame two upper and lower extreme both sides all are fixed with the slip strip, and the slide groove has still been seted up to the rectangular channel both sides, and the equal slidable connection of slip strip is in the slide groove, all fixed with spacing ring one between the terminal surface about damper frame in damper frame one, damper frame two sides all place the elastic component top side about damper ring, damper frame and the embedded handle connection portion of truckle seat outside the truckle seat.

Preferably, outer damper includes the surge tank, and surge tank one side articulates there is a body two, the baffle has all been welded to surge tank middle part both sides, and the equal sliding connection of bottom surface has the support column in the surge tank both sides, the support column top all is fixed with the snubber block, and the snubber block is divided equally and is do not provided with three and four of snubber frame, and three and four sliding installation of snubber frame are on snubber tank inner wall and baffle lateral wall, top surface, snubber frame four interior bottom surface and snubber block about the top surface all are fixed with spacing ring two, and spacing ring two all is equipped with a plurality ofly and evenly distributed in three interior top surfaces of snubber frame, four interior bottom surfaces of snubber frame and snubber block about the terminal surface, about the same vertical face about two elastic component two all is placed between the spacing ring two.

Preferably, two places baffle lower extreme still is fixed with the locating piece, and bottom surface middle part still sliding connection has the locating lever in the shock attenuation box, and locating lever upper end outer wall is fixed with the thread bush, the downside still runs through to attack on the locating piece and is equipped with the screw hole anastomotic with the thread bush, the locating lever downside passes through threaded connection on truckle seat top surface, and locating lever downside card has the turning block, and the equal embedded pulling handle two that installs of terminal surface before shock attenuation frame three and the shock attenuation frame four.

Preferably, the bottom surface all sets up the U form groove of being convenient for ejector pin and support column plug in shock attenuation frame two and shock attenuation frame four, and the equal sliding gap of ejector pin and support column connects in U form inslot.

Preferably, the door body I and the side wall of the rectangular groove are fixed through a lock catch, the rear side of the sliding groove does not penetrate through the damping frame I and the damping frame II, and the limiting ring I is provided with a plurality of limiting rings which are uniformly distributed on the upper end face and the lower end face of the inner bottom face of the damping frame I, the inner bottom face of the damping frame II and the mounting block.

Preferably, the assembly process:

firstly, the method comprises the following steps: placing the mounting block and the finished product of the caster body in the rectangular groove, and rotating the ejector rod to enable the threaded column to fix the position of the mounting block;

II, secondly, the method comprises the following steps: after the mounting block is positioned and fixed, the first damping frame and the second damping frame are inserted into the rectangular groove, then the first elastic piece is placed in the first limiting ring, and after the first elastic piece is placed in sequence, the ejector rod is rotated again to enable the threaded column to move downwards to the bottom side of the second damping frame, and therefore the mounting of the source damping assembly is completed;

thirdly, the steps of: after the source damping assembly is installed, the positioning rod is rotated to enable the threaded sleeve to enter the positioning block, and at the moment, the damping box is positioned to enable the damping block to move to the middle of the damping box;

fourthly, the method comprises the following steps: after the damping block is positioned, the damping frame III and the damping frame IV are inserted into the damping box, then the elastic piece II is arranged in the limiting ring II, and after the elastic piece II is sequentially arranged, the positioning rod is rotated again to move up so that the threaded sleeve moves to the top side of the damping box.

Preferably, in the second step and the fourth step of the assembly process, the first elastic element and the second elastic element are placed from the inner side to the outer side of the rectangular groove and the damping box.

Preferably, the assembly process further comprises: when the truckle body is maintained and overhauled, rotate ejector pin and locating lever and make screw thread post and thread bush remove respectively to installation piece and locating block in, then directly pull out shock attenuation frame one, shock attenuation frame two, shock attenuation frame three and shock attenuation frame four maintain or directly to elastic component one and elastic component two directly change can.

Compared with the prior art, the invention provides an anti-seismic caster and an assembly process thereof, and the anti-seismic caster has the following beneficial effects:

1. when the shock absorption device is used, dual shock absorption treatment is carried out from the root and the joint of the caster, so that the shock absorption effect of the caster is greatly improved, the shock absorption piece is convenient to overhaul and maintain, and the overhaul and maintenance efficiency of the caster is further greatly improved;

2. when the caster travels, the caster body is impacted, the mounting block translates between the first damping frame and the second damping frame, and the elastic part finishes damping operation on the vibration source of the caster body, so that the vibration amplitude is greatly reduced, and a certain guarantee is provided for stable cargo transportation and long-time stable use of the device;

3. after the caster body is subjected to radical shock absorption, the shock absorption block moves in the shock absorption box after the shock absorption box of the mounting part of the caster body is impacted, and at the moment, the elastic part realizes shock absorption at the joint of the two pairs of caster bodies, so that the amplitude of the caster in use is further reduced, and a certain guarantee is provided for long-time stable use of transportation equipment;

4. when the caster wheel is overhauled and maintained after being assembled, the threaded column and the threaded sleeve are respectively moved into the mounting block and the positioning block only by rotating the ejector rod and the positioning rod, and then the damping frame I, the damping frame II, the damping frame III and the damping frame IV are pulled out for maintenance or the elastic piece I and the elastic piece II are directly replaced, so that the operation is simple and convenient, and a certain guarantee is provided for efficient overhaul and long-time use of the caster wheel.

Drawings

Fig. 1 is a schematic structural view of an anti-shock caster according to the present invention;

FIG. 2 is a schematic structural view of a source shock absorbing assembly of the anti-shock caster of the present invention;

fig. 3 is a front sectional view of a source shock-absorbing assembly of a shock-resistant caster according to the present invention;

FIG. 4 is a schematic structural view of an outer shock-absorbing component in an anti-shock caster according to the present invention;

FIG. 5 is a front sectional view of an outer shock absorbing assembly in the anti-shock caster according to the present invention;

fig. 6 is a schematic structural view of a second shock-absorbing frame in the anti-seismic caster according to the present invention.

In the figure: the shock absorber comprises a caster seat 1, a caster body 2, a foot brake 3, a source shock absorption assembly 4, an outer shock absorption assembly 5, a first door body 401, an installation block 402, an installation rod 403, an ejector rod 404, a threaded column 405, a first shock absorption frame 406, a second shock absorption frame 407, a sliding strip 408, a first limit ring 409, a first elastic element 4010, a first pull handle 4011, a shock absorption box 501, a second door body 502, a partition plate 503, a support column 504, a shock absorption block 505, a third shock absorption frame 506, a fourth shock absorption frame 507, a second limit ring 509, a second elastic element 5010, a positioning block 5011, a positioning rod 5012, a threaded sleeve 5013, a rotating block 5014 and a second pull handle 5015.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but 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 present invention.

Example one

Referring to fig. 1-3, an anti-shock caster comprises a caster base 1, a caster body 2 is rotatably mounted on the inner side of the caster base body 1, a foot brake 3 is mounted on the rear side of the caster base 1, a source shock-absorbing assembly 4 for reducing the amplitude of the caster is mounted on the lower side of the caster base 1, the source shock-absorbing assembly 4 comprises rectangular grooves formed in the front and rear sides of the caster base 1 in a penetrating manner, a first door body 401 is hinged to one side of each rectangular groove, a mounting block 402 is slidably mounted on the inner side of each rectangular groove, a mounting rod 403 is rotatably connected between the two mounting blocks 402, the caster body 2 is rotatably connected to the mounting rod 403, the mounting rod 403 and the two mounting blocks 402 are integrally preassembled, a top rod 404 is connected to the inner surface of each rectangular groove through a screw thread, a threaded post 405 is fixed to the top end of the top rod 404, a first shock-absorbing frame 406 and a second shock-absorbing frame 407 are respectively disposed on the upper and lower sides of the rectangular grooves, sliding strips 408 are fixed to both sides of the upper and lower ends of the first shock-absorbing frame 406 and the lower shock-absorbing frame 407, a shock-absorbing frame 406 and a shock-absorbing spring ring 407, a shock-absorbing ring hinge block 406 is mounted on the front and a shock-absorbing ring 4015, a shock-absorbing ring hinge pin 406, a spring 4010 spring ring, a shock-absorbing ring hinge pin 406 is mounted on the mounting block 4015, a shock-absorbing ring 407 and a shock-absorbing ring 409 are mounted on the bottom surface of the shock-absorbing ring, a shock-absorbing ring 4015, a shock-absorbing ring 409 is mounted on the shock-absorbing ring hinge pin 406, at the moment, the first elastic part 4010 completes damping operation on the vibration source of the caster body 2, and vibration amplitude is greatly reduced.

Example two

As shown in fig. 1, 4 and 5, in this embodiment, basically the same as that in embodiment 1, preferably, the outer damping assembly 5 includes a damping box 501, one side of the damping box 501 is hinged with a door body two 502, the door body two 502 is fastened and fixed with the damping box 501, two sides of the middle of the damping box 501 are welded with partition plates 503, inner bottom surfaces of two sides of the damping box 501 are slidably connected with supporting columns 504, top ends of the supporting columns 504 are fixed with damping blocks 505, upper and lower sides of the damping blocks 505 are respectively provided with damping frames three 506 and damping frames four 507, the damping frames three 506 and the damping frames four 507 are slidably mounted on the inner wall of the damping box 501 and the side walls of the partition plates 503, inner top surfaces of the damping frames three 506, inner bottom surfaces of the damping frames four 507 and upper and lower end surfaces of the damping blocks 505 are respectively fixed with limiting rings two 509, the two limit rings 509 are uniformly distributed on the inner top surface of the three shock absorption frame 506, the inner bottom surface of the four shock absorption frame 507 and the upper end surface and the lower end surface of the shock absorption block 505, the two elastic pieces 5010 are respectively arranged between the two limit rings 509 on the upper side and the lower side of the same vertical surface, the two elastic pieces 5010 are springs or spring pieces, the lower ends of the two partition plates 503 are further fixedly provided with positioning blocks 5011, the middle part of the inner bottom surface of the shock absorption box 501 is further connected with a positioning rod 5012 in a sliding mode, the outer wall of the upper end of the positioning rod 5012 is fixedly provided with a threaded sleeve 5013, the upper side and the lower side of each positioning block 5011 are further provided with threaded holes matched with the threaded sleeve 5013 in a penetrating and tapping mode, the lower side of each positioning rod 5012 is connected onto the top surface of the caster seat 1 through threads, the rotary blocks 5014 are fixedly arranged on the lower side of each positioning rod 5012, and the front end surfaces of the three shock absorption frames 506 and the four shock absorption frames 507 are respectively provided with two pulling handles 5015 in an embedded mode.

In this embodiment, after 2 root cause shock attenuation of truckle body, the installed part surge tank 501 of truckle body 2 receives the impact back, and snubber block 505 removes in surge tank 501, and two 5010 elastic component realize the shock attenuation to truckle body 2 junctions this moment to further reduce the amplitude when the truckle uses, provide certain guarantee for the long-time stable use of haulage equipment.

EXAMPLE III

As shown in fig. 2, 3 and 6, this embodiment is substantially the same as embodiment 1, preferably, U-shaped grooves 6 convenient for the ejector rod 404 and the support column 504 to be inserted and pulled out are formed in the inner bottom surfaces of the second shock absorbing frame 407 and the fourth shock absorbing frame 507, the ejector rod 404 and the support column 504 are connected in the U-shaped grooves 6 in a sliding gap manner, the first door body 401 and the side wall of the rectangular groove are fixed by a lock catch, the first shock absorbing frame 406 and the second shock absorbing frame 407 do not penetrate through the rear side of the sliding groove, and the first limit ring 409 is provided with a plurality of limiting rings and is uniformly distributed on the inner top surface of the first shock absorbing frame 406, the inner bottom surface of the second shock absorbing frame 407 and the upper and lower end surfaces of the mounting block 402.

In this embodiment, the rear side of the sliding groove does not penetrate through the first shock absorption frame 406 and the second shock absorption frame 407, so that the front and the rear of the first shock absorption frame 406 and the second shock absorption frame 407 after being inserted can be limited and fixed, and the use stability of the caster is ensured.

Example four

As shown in fig. 1 to 6, this embodiment is substantially the same as embodiment 1, and preferably, the assembly process:

firstly, the method comprises the following steps: placing the mounting block 402 and the finished product of the caster body 2 in the rectangular groove, and rotating the ejector rod 404 to fix the position of the mounting block 402 by the threaded column 405;

II, secondly, the method comprises the following steps: after the mounting block 402 is positioned and fixed, the first damping frame 406 and the second damping frame 407 are inserted into the rectangular groove, then the first elastic member 4010 is placed in the first limiting ring 409, and after the first elastic member 4010 is sequentially placed, the ejector rod 404 is rotated again to enable the threaded column 405 to move downwards to the bottom side of the second damping frame 407, and then the mounting of the source damping assembly 4 is completed;

thirdly, the method comprises the following steps: after the source damping component 4 is installed, the positioning rod 5012 is rotated to enable the threaded sleeve 5013 to enter the positioning block 5011, and at the moment, the damping box 501 is positioned to enable the damping block 505 to move to the middle of the damping box 501;

fourthly, the method comprises the following steps: after the shock absorption block 505 is positioned, the shock absorption frame III 506 and the shock absorption frame IV 507 are inserted into the shock absorption box 501, then the elastic piece II 5010 is placed in the limit ring II 509, and after the elastic piece II 5010 is sequentially placed, the positioning rod 5012 is rotated again to move upwards, so that the threaded sleeve 5013 moves to the top side of the shock absorption box 501.

In the second step and the fourth step of the assembly process, the first elastic piece 4010 and the second elastic piece 5010 are placed from the inner side to the outer side of the rectangular groove and the damper box 501.

In this embodiment, when the assembly, need not be with the truckle dismouting, and it is convenient to truckle body 2 and surge tank 501 location during the truckle equipment to reach the effect of high-efficient assembly, and then provide certain guarantee for the high-efficient convenient production of truckle.

EXAMPLE five

As shown in fig. 1 to 6, this embodiment is substantially the same as embodiment 1, and preferably, the assembly process further includes: when the caster body is maintained and overhauled, the ejector rod 404 and the positioning rod 5012 are rotated to enable the threaded column 405 and the threaded sleeve 5013 to respectively move into the mounting block 402 and the positioning block 5011, and then the damping frame I406, the damping frame II 407, the damping frame III 506 and the damping frame IV 507 are directly pulled out for maintenance or the elastic piece I4010 and the elastic piece II 5010 are directly replaced.

In this embodiment, when overhauing and maintaining, need not cartridge truckle body, its easy and simple to handle provides certain guarantee for the high-efficient maintenance and the long-time use of truckle.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (10)

1. An anti-seismic caster comprises a caster seat (1), wherein a caster body (2) is rotatably mounted on the inner side of the caster seat body (1), and a foot brake (3) is mounted on the rear side of the caster seat (1), and is characterized in that a source damping assembly (4) for reducing the amplitude of the caster is mounted on the lower side of the caster seat (1);

the source shock absorption assembly (4) comprises rectangular grooves which are formed in the front side and the rear side of the caster seat (1) in a penetrating mode, a first door body (401) is hinged to one side of each rectangular groove, mounting blocks (402) are slidably mounted on the inner sides of the rectangular grooves, a mounting rod (403) is rotatably connected between the two mounting blocks (402), the caster body (2) is rotatably connected to the mounting rods (403), a top rod (404) is connected to the inner bottom surface of each rectangular groove through threads, a threaded column (405) is fixed to the top end of each top rod (404), and a threaded groove matched with the threaded column (405) is further formed in the bottom surface of each mounting block (402);

the downside is equipped with shock attenuation frame (406) and shock attenuation frame two (407) respectively on the rectangular channel, and the lower extreme both sides all are fixed with slide bar (408) about shock attenuation frame (406) and shock attenuation frame two (407), and the sliding tray has still been seted up to the rectangular channel both sides, and the equal sliding connection of slide bar (408) is in the sliding tray, all be fixed with spacing ring (409) between the terminal surface about shock attenuation frame (406) internal top surface, shock attenuation frame two (407) internal bottom surface and installing block (402), incline two about the same vertical face all place elastic component (4010) between spacing ring (409), equal embedded installation of pulling handle (4011) of shock attenuation frame (406) and shock attenuation frame two (407) preceding terminal surface, outer damping component (5) that are used for the shock attenuation of truckle junction are still installed to truckle seat (1) top side.

2. An anti-seismic caster according to claim 1, wherein the outer shock-absorbing assembly (5) comprises a shock-absorbing box (501), one side of the shock-absorbing box (501) is hinged with a door body II (502), the two sides of the middle of the shock-absorbing box (501) are welded with partition plates (503), the inner bottom surfaces of the two sides of the shock-absorbing box (501) are connected with a support column (504) in a sliding manner, the top ends of the support column (504) are fixed with shock-absorbing blocks (505), the upper side and the lower side of each shock-absorbing block (505) are respectively provided with a shock-absorbing frame III (506) and a shock-absorbing frame IV (507), the shock-absorbing frame III (506) and the shock-absorbing frame IV (507) are arranged on the inner wall of the shock-absorbing box (501) and the side wall of the partition plates (503) in a sliding manner, the upper end surfaces and the lower end surfaces of the shock-absorbing frame IV (507) are respectively fixed with a limit ring II (509), and the upper end surface and the lower end surface of the same vertical surface are provided with an elastic member II (5010) arranged between the limit rings II (509).

3. The anti-shock caster wheel according to claim 2, characterized in that the lower ends of the two partition plates (503) are further fixed with a positioning block (5011), the middle part of the inner bottom surface of the shock absorption box (501) is further connected with a positioning rod (5012) in a sliding manner, the outer wall of the upper end of the positioning rod (5012) is fixed with a threaded sleeve (5013), the upper side and the lower side of the positioning block (5011) are further provided with threaded holes matched with the threaded sleeve (5013) in a penetrating manner, the lower side of the positioning rod (5012) is connected to the top surface of the caster wheel seat (1) through threads, the lower side of the positioning rod (5012) is clamped with a rotating block (5014), and the front end surfaces of the three shock absorption frames (506) and the four shock absorption frames (507) are respectively provided with a second pulling handle (5015) in an embedded manner.

4. An anti-shock caster wheel according to claim 2, wherein the second limit ring (509) is provided with a plurality of limiting rings which are uniformly distributed on the inner top surface of the third shock-absorbing frame (506), the inner bottom surface of the fourth shock-absorbing frame (507) and the upper and lower end surfaces of the shock-absorbing block (505).

5. An anti-seismic caster wheel according to claim 2, wherein the inner bottom surfaces of the second shock absorption frame (407) and the fourth shock absorption frame (507) are provided with U-shaped grooves (6) which facilitate the insertion and extraction of the top bar (404) and the support columns (504), and the top bar (404) and the support columns (504) are connected in the U-shaped grooves (6) in a sliding clearance manner.

6. An anti-seismic caster according to claim 1, characterized in that the first door body (401) is fixed with the side wall of the rectangular groove through a lock catch, and the rear side of the sliding groove does not penetrate through the first shock absorption frame (406) and the second shock absorption frame (407).

7. An anti-seismic caster according to claim 1 or 2, wherein the first limiting rings (409) are provided in plurality and uniformly distributed on the inner top surface of the first shock absorbing frame (406), the inner bottom surface of the second shock absorbing frame (407) and the upper and lower end surfaces of the mounting block (402).

8. An assembly process of an anti-shock caster according to any one of claims 3 to 7, wherein said assembly process comprises:

firstly, the method comprises the following steps: placing the mounting block (402) and the finished product of the caster body (2) thereof in a rectangular groove, and rotating the ejector rod (404) to fix the position of the mounting block (402) by the threaded column (405);

II, secondly: after the mounting block (402) is positioned and fixed, inserting the first damping frame (406) and the second damping frame (407) into the rectangular groove, then placing the first elastic piece (4010) in the first limiting ring (409), sequentially placing the first elastic piece (4010), and then rotating the ejector rod (404) again to enable the threaded column (405) to move downwards to the bottom side of the second damping frame (407) so as to finish the mounting of the source damping assembly (4);

thirdly, the steps of: after the source damping assembly (4) is installed, the positioning rod (5012) is rotated to enable the threaded sleeve (5013) to enter the positioning block (5011), and at the moment, the damping box (501) completes positioning to enable the damping block (505) to move to the middle of the damping box (501);

fourthly, the method comprises the following steps: after the shock absorption block (505) is positioned, the shock absorption frame III (506) and the shock absorption frame IV (507) are inserted into the shock absorption box (501), then the elastic piece II (5010) is placed in the limit ring II (509), the elastic piece II (5010) is placed in sequence, and then the positioning rod (5012) is rotated again to move upwards to enable the threaded sleeve (5013) to move to the top side of the shock absorption box (501).

9. The assembly process of an anti-shock caster according to claim 8, wherein in said assembly process step two and step four, the first elastic member (4010) and the second elastic member (5010) are placed from the inside to the outside of the rectangular groove and the shock-absorbing box (501).

10. The process of assembling an anti-shock caster according to claim 8, further comprising: when the caster body is maintained and overhauled, the ejector rod (404) and the locating rod (5012) are rotated to enable the threaded column (405) and the threaded sleeve (5013) to move into the mounting block (402) and the locating block (5011) respectively, and then the damping frame I (406), the damping frame II (407), the damping frame III (506) and the damping frame IV (507) are directly pulled out to be maintained or directly replace the elastic piece I (4010) and the elastic piece II (5010).

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