CN109051182B

CN109051182B - Automobile auxiliary silencer assembly material rack

Info

Publication number: CN109051182B
Application number: CN201810938121.9A
Authority: CN
Inventors: 陆珅焕; 王念文
Original assignee: Zhongjiu Logistic Co Ltd
Current assignee: ZHONGJIU equipment Intelligent Technology Co.,Ltd.
Priority date: 2018-08-17
Filing date: 2018-08-17
Publication date: 2020-02-04
Anticipated expiration: 2038-08-17
Also published as: CN109051182A

Abstract

The invention discloses an automobile auxiliary silencer assembly material rack which comprises a material rack body, a lower layer positioning device, an upper layer positioning device and a pressing device, wherein the material rack body is arranged to be capable of being switched between a folding state and an unfolding state, the lower layer positioning device is arranged on the material rack body and is used for positioning an auxiliary silencer assembly, the upper layer positioning device is used for positioning the auxiliary silencer assembly and is arranged to be capable of being switched between the folding state and the unfolding state, the pressing device is arranged to be capable of being switched between an assembling state and a disassembling state, and the pressing device is detachably connected with the material rack body. The material rack of the automobile auxiliary silencer assembly is arranged into a foldable structure, and the material rack occupies small space after being folded, so that the space utilization rate can be increased.

Description

Automobile auxiliary silencer assembly material rack

Technical Field

The invention belongs to the technical field of auxiliary transportation devices, and particularly relates to a material rack for an automobile auxiliary silencer assembly.

Background

At present, the conveying material rack suitable for the automobile auxiliary silencer assembly is of a conventional fixed frame structure, so that the material rack occupies a large space when being transported in a return air or stacked in an empty box, and the space utilization rate is low.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an automobile auxiliary silencer assembly material rack, and aims to increase the space utilization rate.

In order to achieve the purpose, the invention adopts the technical scheme that: vice muffler assembly work or material rest of car, including setting to the work or material rest body that can switch between fold condition and expansion state, set up on the work or material rest body and be used for going on the lower floor positioner who fixes a position vice muffler assembly, be used for fixing a position vice muffler assembly and set to the upper positioner that can switch between fold condition and expansion state and set to the closing device that can switch between assembly state and decomposition state, closing device and work or material rest body are detachable to be connected.

The material rack body comprises a chassis, and a first left wrapping angle plate, a second left wrapping angle plate, a first right wrapping angle plate and a second right wrapping angle plate which are vertically arranged on the chassis, wherein the first left wrapping angle plate, the second left wrapping angle plate, the first right wrapping angle plate and the second right wrapping angle plate are respectively positioned on the same straight line parallel to the first direction, the first left wrapping angle plate, the first right wrapping angle plate, the second left wrapping angle plate and the second right wrapping angle plate are respectively positioned on the same straight line parallel to the second direction, the first direction and the second direction are both horizontal directions, and the first direction and the second direction are perpendicular to each other.

The material rack body further comprises a left door frame arranged on the first left corner wrapping plate and the second left corner wrapping plate and a right door frame arranged on the first right corner wrapping plate and the second right corner wrapping plate and arranged opposite to the left door frame, the left door frame and the right door frame are arranged to be capable of being switched between a supporting position and a turning position, and the left door frame and the right door frame which are in the supporting position are detachably connected with the pressing device which is in an assembling state.

The left door frame comprises a first left upright post inserted in the first left corner wrapping plate and a second left upright post inserted in the second left corner wrapping plate, the first left upright post and the second left upright post are parallel, the first left upright post is connected with the first left corner wrapping plate through a first left pin shaft, and the second left upright post is connected with the second left corner wrapping plate through a second left pin shaft; the right portal comprises a first right upright post inserted in the first right corner wrapping plate and a second right upright post inserted in the second right corner wrapping plate, the first right upright post and the second right upright post are parallel, the first right upright post is connected with the first right corner wrapping plate through a first right pin shaft, and the second right upright post is connected with the second right corner wrapping plate through a second right pin shaft.

The lower layer positioning device comprises a first positioning block, a second positioning block and a third positioning block which are sequentially arranged along a second direction; when left side portal and right portal are in the upset position, the second locating piece provides the supporting role to left portal, and the third locating piece provides the supporting role to the upper positioner who is in fold condition, and the upper positioner who is in fold condition provides the supporting role to right portal.

The upper layer positioning device comprises a left door turning plate which is rotatably arranged on the left door frame and can be switched between a positioning position and a turning position, a positioning seat arranged on the material frame body and a right supporting piece which is arranged on the positioning seat and can be switched between the positioning position and the turning position, the right supporting piece is connected with the positioning seat through a third right pin shaft, the lower layer positioning device provides a supporting effect for the right supporting piece at the turning position, and the right supporting piece at the turning position provides a supporting effect for the right door frame at the turning position.

The right supporting piece comprises a right supporting upright post and an upper positioning block, the right supporting upright post is inserted into the positioning seat and connected with the positioning seat through a third right pin shaft, the upper positioning block is arranged on the right supporting upright post, the two positioning seats are arranged on the same straight line parallel to the first direction, and the right supporting upright post is also provided with two right supporting upright posts which are respectively inserted into one positioning seat.

The compressing device comprises a first transverse blocking frame, a second transverse blocking frame, a left pressing rod and a right pressing rod, wherein the left pressing rod and the right pressing rod are detachably connected with the first transverse blocking frame and the second transverse blocking frame, when the compressing device is in an assembly state, the first transverse blocking frame and the second transverse blocking frame are oppositely arranged, and the length direction of the first transverse blocking frame and the length direction of the second transverse blocking frame are parallel to the second direction, and the left door frame, the left pressing rod, the right pressing rod and the right door frame are sequentially arranged along the second direction.

First crosspiece frame includes first entablature and sets up first left peg and first right peg on first entablature, second crosspiece frame includes the second entablature and sets up second left peg and the right peg of second on the second entablature, left depression bar is detachable connection with first left peg and the left peg of second, right depression bar is detachable connection with first right peg and the right peg of second, and the length direction and the second direction of first entablature and second entablature parallel.

The material rack body is provided with a first containing groove for containing the first upper cross beam, a second containing groove for containing the second upper cross beam and a third containing groove for containing the left pressure bar and the right pressure bar, when the pressing device is in a decomposition state, the left pressure bar and the right pressure bar are placed in the third containing groove, the first upper cross beam is placed in the first containing groove, and the second upper cross beam is placed in the second containing groove.

The first containing groove is located between the second left corner wrapping plate and the second right corner wrapping plate, the second containing groove is located between the first left corner wrapping plate and the first right corner wrapping plate, and the third containing groove is located between the first left corner wrapping plate and the second left corner wrapping plate.

The material rack of the automobile auxiliary silencer assembly is arranged into a foldable structure, and the material rack occupies small space after being folded, so that the space utilization rate can be increased.

Drawings

The description includes the following figures, the contents shown are respectively:

FIG. 1 is a schematic view of the automotive sub-muffler assembly stack in an expanded state;

FIG. 2 is a front view of the automotive sub-muffler assembly stack of the present invention;

FIG. 3 is a schematic view of the structure of the chassis;

FIG. 4 is a schematic structural view of the left gantry;

FIG. 5 is a schematic structural view of the right gantry;

FIG. 6 is a schematic structural view of the left door flap;

FIG. 7 is a schematic view of the left door flap being switched from the positioning position to the flipped-up position;

FIG. 8 is a schematic view of the left gantry in a support position;

FIG. 9 is a schematic view of the left mast in the tumbled position;

FIG. 10 is a schematic structural view of the right support member;

FIG. 11 is a schematic view of the right support in the positioning position;

FIG. 12 is a schematic view of the right support in a tipped position;

FIG. 13 is a schematic view of the right mast in a support position;

FIG. 14 is a schematic view of the right mast in the tumbled position;

FIG. 15 is a partial schematic view of the hold-down device;

FIG. 16 is a schematic view of the assembly of the hold down device with the left and right door frames;

FIG. 17 is an enlarged view of the connection between the pressing device and the left and right door frames and the structure of the bolt;

FIG. 18 is a schematic structural view of the left strut;

FIG. 19 is a schematic view of the assembly of the left striker bar with the first cross brace and the second cross brace;

FIG. 20 is an enlarged view of the junction of the left brace and the first and second rails;

FIG. 21 is a schematic structural view of the right strut;

FIG. 22 is a schematic view of the assembly of the right strut with the first and second rails;

fig. 23 is a schematic view illustrating a state where the first crosspiece frame is located in the first receiving groove;

fig. 24 is a schematic view of the state that the left pressing rod and the right pressing rod are located in the third accommodating groove;

FIG. 25 is a schematic view of the automotive sub-muffler assembly stack in a folded configuration in accordance with the present invention;

FIG. 26 is a schematic view of the automotive sub-muffler assembly stack shown in a stacked configuration;

labeled as: 1. a chassis; 2. a left portal; 201. a first left upright; 202. a second left upright; 203. a left connecting rod; 204. a first left upper support bar; 205. a second left upper support rod; 206. a first left lower support bar; 207. a second left lower support rod; 208. a first left protrusion; 209. a second left protrusion; 3. a right portal; 301. a first right column; 302. a second right column; 303. a right connecting rod; 304. a first right upper support bar; 305. a second right upper support rod; 306. a first right protrusion; 307. a second right protrusion; 4. a first left wrap gusset; 401. a first left mounting hole; 402. a first left limiting groove; 403. a first left slot; 5. a second left wrap gusset; 501. a second left mounting hole; 502. a second left limiting groove; 503. a second left slot; 6. a first right wrap gusset; 601. a first right mounting hole; 602. a first right limiting groove; 603. a first right slot; 7. a second right wrap gusset; 701. a second right mounting hole; 702. a second right limiting groove; 703. a second right slot; 8. a first crosspiece frame; 801. a first upper cross member; 802. a first left hanging bar; 803. a first right hanging rod; 9. a second crosspiece frame; 901. a second upper cross member; 902. a second left hanging rod; 903. a second right hanging rod; 10. a right support member; 1001. a right support column; 1002. an upper positioning block; 1003. cushion blocks; 1004. a limiting bulge; 11. positioning seats; 12. a left compression bar; 13. a right compression bar; 14. a first positioning block; 15. a second positioning block; 16. a third positioning block; 17. a bracket; 18. a left door flap; 19. a first left baffle; 20. a second left baffle; 21. a bolt; 22. a bolt;

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.

It should be noted that, in the following embodiments, the terms "first", "second", "third" and "fourth" do not represent absolute differences in structure and/or function, nor represent a sequential execution order, but merely for convenience of description.

As shown in fig. 1 to 26, the present invention provides an automobile secondary muffler assembly rack, which includes a rack body configured to be switchable between a folded state and an unfolded state, a lower layer positioning device disposed on the rack body and used for positioning a secondary muffler assembly, an upper layer positioning device used for positioning the secondary muffler assembly and configured to be switchable between the folded state and the unfolded state, and a pressing device configured to be switchable between an assembled state and a disassembled state, wherein the pressing device is detachably connected to the rack body.

Specifically, as shown in fig. 1 to 3, the rack body includes a chassis 1, and a first left corner wrapping plate 4, a second left corner wrapping plate 5, a first right corner wrapping plate 6, and a second right corner wrapping plate 7 vertically disposed on the chassis 1, where the first left corner wrapping plate 4, the second left corner wrapping plate 5, the first right corner wrapping plate 6, and the second right corner wrapping plate 7 are respectively located on a same straight line parallel to a first direction, the first left corner wrapping plate 4, the first right corner wrapping plate 6, the second left corner wrapping plate 5, and the second right corner wrapping plate 7 are respectively located on a same straight line parallel to a second direction, the first direction and the second direction are both horizontal directions, and the first direction and the second direction are perpendicular. The chassis 1 is the rectangle structure, the chassis 1 has certain length and width, the length direction and the second direction of chassis 1 parallel, the width direction and the first direction of chassis 1 parallel, first left side cornerite board 4, second left side cornerite board 5, first right side cornerite board 6 and second right side cornerite board 7 are rectangular distribution and first left side cornerite board 4, second left side cornerite board 5, first right side cornerite board 6 and second right side cornerite board 7 set up respectively in a right angle corner of chassis 1, first left side cornerite board 4, second left side cornerite board 5, first right side cornerite board 6 and second right side cornerite board 7 stretch out towards the top of chassis 1. The lower ends of the first left corner wrapping plate 4, the second left corner wrapping plate 5, the first right corner wrapping plate 6 and the second right corner wrapping plate 7 are highly connected with the chassis 1, and the lengths of the first left corner wrapping plate 4, the second left corner wrapping plate 5, the first right corner wrapping plate 6 and the second right corner wrapping plate 7 are the same.

As shown in fig. 1 to 4, the rack body further includes a left door frame 2 disposed on the first left corner wrapping plate 4 and the second left corner wrapping plate 5, and a right door frame 3 disposed on the first right corner wrapping plate 6 and the second right corner wrapping plate 7 and disposed opposite to the left door frame 2, the left door frame 2 and the right door frame 3 are disposed to be switchable between a supporting position and a tilting position, and the left door frame 2 and the right door frame 3 in the supporting position are detachably connected to the pressing device in the assembling state. The supporting position of the left portal 2 is positioned above the overturning position, and when the left portal 2 is positioned at the supporting position, the left portal 2 is in a vertical state; when the left gantry 2 is in the turnover position, the left gantry 2 is in a horizontal state. The supporting position of the right door frame 3 is positioned above the overturning position, and when the right door frame 3 is positioned at the supporting position, the right door frame 3 is in a vertical state; when the right gantry 3 is in the turnover position, the right gantry 3 is in a horizontal state. When the left portal 2 and the right portal 3 are both in the overturning positions, the material rack body is in a folded state, and at the moment, the left portal 2 and the right portal 3 are at the same height with the first left wrap angle plate 4, the second left wrap angle plate 5, the first right wrap angle plate 6 and the second right wrap angle plate 7; when left portal 2 and right portal 3 all were in the support position, the work or material rest body was in the state of expanding, left portal 2 stretched out towards the top of first left cornerite board 4 and second left cornerite board 5 this moment, right portal 3 stretched out towards the top of first right cornerite board 6 and second right cornerite board 7, left portal 2 and right portal 3 can be connected with the closing device who is in the assembled condition, and the work or material rest body that is in fold condition can be used to accomodate each part that is in the closing device of decomposition state moreover.

As shown in fig. 1 to 4, the left portal 2 includes a first left upright 201 inserted into the first left corner-wrapping plate 4 and a second left upright 202 inserted into the second left corner-wrapping plate 5, the first left upright 201 and the second left upright 202 are parallel, the first left upright 201 is connected with the first left corner-wrapping plate 4 through a first left pin, and the second left upright 202 is connected with the second left corner-wrapping plate 5 through a second left pin. The first left pin shaft and the second left pin shaft are coaxially arranged, the axes of the first left pin shaft and the second left pin shaft are parallel to the first direction, the first left upright column 201 and the second left upright column 202 have certain lengths, the length direction of the first left upright column 201 is parallel to the length direction of the second left upright column 202, the length of the first left upright column 201 is the same as that of the second left upright column 202, two ends of the first left upright column 201 and two ends of the second left upright column 202 are respectively aligned, and the first left upright column 201 and the second left upright column 202 are positioned on the same straight line parallel to the first direction. First left stand 201 is connected with first left cornerite board 4 through first left round pin axle, first left cornerite board 4 has lets first left round pin axle male first left mounting hole 401 and this first left mounting hole 401 be waist shape hole, first left mounting hole 401 is for extending along vertical direction on first left cornerite board 4, the length of first left mounting hole 401 is greater than the diameter of first left round pin axle and is less than the length of first left cornerite board 4, first left stand 201 has the shaft hole that lets first left round pin axle pass and this shaft hole is the round hole, the diameter in this shaft hole is the same with the diameter size of first left round pin axle, first left round pin axle and first left stand 201 fixed connection, the length of first left mounting hole 401 has decided first left stand 201 and has carried out the stroke that reciprocates for first left cornerite board 4. The first left corner wrapping plate 4 has a first left slot 403 for accommodating the first left pillar 201 and a first left limiting groove 402 located above the first left pin, the first left mounting hole 401 is located below the first left limiting groove 402, and the first left pillar 201 is provided with a first left protrusion 208 for being embedded into the first left limiting groove 402 to keep the first left pillar 201 in a vertical state. The first left slot 403 extends from the top surface of the first left corner wrapping plate 4 downward in the vertical direction toward the inside of the first left corner wrapping plate 4 to form a groove, the first left slot 403 forms an opening on the side surface of the first left corner wrapping plate 4 facing the first right corner wrapping plate 6, the first left slot 403 also forms an opening on the top surface of the first left corner wrapping plate 4 for the first left upright column 201 to pass through, the opening on the top surface of the first left corner wrapping plate 4 is communicated with the opening on the side surface, so that the first left upright column 201 can move up and down and rotate relative to the first left corner wrapping plate 4, and the position switching of the left gantry 2 is realized. First left mounting hole 401 sets up two, and first left slot 403 is located between two first left mounting holes 401, and first left mounting hole 401 sets up on the lateral wall mutually perpendicular with first direction of first left cornerite board 4, and two first left mounting hole 401 positions are aligned, and two first left mounting holes 401 are passed respectively at the both ends of first left round pin axle and stretch out to the outside of first left cornerite board 4, and first left stand 201 is located between two first left mounting holes 401. The first left slot 403 is a rectangular slot, the first left upright column 201 is a cylinder with a rectangular cross section, when the left door frame 2 is at the supporting position, the lower end of the first left upright column 201 in the vertical state is inserted into the first left slot 403, and the first left protrusion 208 is inserted into the first left limiting slot 402. The first left limiting groove 402 is arranged at the top of the first left corner wrapping plate 4, the first left limiting groove 402 is a groove which extends downwards from the top surface of the first left corner wrapping plate 4 towards the inside of the first left corner wrapping plate 4, the first left limiting groove 402 is preferably a U-shaped groove, the number of the first left limiting grooves 402 is two, the first left slot 403 is located between the two first left limiting grooves 402, each first left mounting hole 401 is located below one first left limiting groove 402, the two first left limiting grooves 402 are arranged on two opposite side walls of the first left corner wrapping plate 4 perpendicular to the first direction, the positions of the two first left limiting grooves 402 are aligned, and the two first left limiting grooves 402 are located on the same straight line parallel to the first direction. The first left protrusion 208 is disposed on the first left upright 201, the first left protrusion 208 protrudes toward the outside of the first left upright 201, the first left protrusion 208 is disposed on two opposite outer wall surfaces of the first left upright 201, and the two first left protrusions 208 are respectively used for being embedded into one first left limiting groove 402. First left arch 208 cooperatees with first left spacing groove 402, can play limiting displacement to first left stand 201 in second direction and vertical direction, avoids first left stand 201 to rotate for first left cornerite board 4, and the shape of first left arch 208 and the shape phase-match of first left spacing groove 402.

The second left upright column 202 is connected with a second left corner wrapping plate 5 through a second left pin shaft, the second left corner wrapping plate 5 is provided with a second left mounting hole 501 allowing the second left pin shaft to be inserted into, the second left mounting hole 501 is a waist-shaped hole, the second left mounting hole 501 extends in the vertical direction on the second left corner wrapping plate 5, the length of the second left mounting hole 501 is larger than the diameter of the second left pin shaft and smaller than the length of the second left corner wrapping plate 5, the second left upright column 202 is provided with a shaft hole allowing the second left pin shaft to pass through, the shaft hole is a round hole, the diameter of the shaft hole is the same as the diameter of the second left pin shaft, the second left pin shaft is fixedly connected with the second left upright column 202, and the length of the second left mounting hole 501 determines the stroke of the second left upright column 202 moving up and down relative to the second left corner wrapping plate 5. The second left wrapping angle plate 5 has a second left slot 503 for accommodating the second left upright 202 and a second left limiting groove 502 located above the second left pin, the second left mounting hole 501 is located below the second left limiting groove 502, and the second left upright 202 is provided with a second left protrusion 209 for being inserted into the second left limiting groove 502 to keep the second left upright 202 in a vertical state. The second left insertion groove 503 is a groove formed by extending from the top surface of the second left corner-wrapping plate 5 downward in the vertical direction toward the inside of the second left corner-wrapping plate 5, the second left insertion groove 503 forms an opening on the side surface of the second left corner-wrapping plate 5 facing the second right corner-wrapping plate 7, the second left insertion groove 503 also forms an opening on the top surface of the second left corner-wrapping plate 5 for the second left upright 202 to pass through, and the opening on the top surface of the second left corner-wrapping plate 5 is communicated with the opening on the side surface, so that the second left upright 202 can move up and down and rotate relative to the second left corner-wrapping plate 5, and the position switching of the left portal 2 is realized. The length of the second left mounting hole 501 is the same as the length of the first left mounting hole 401, the first left mounting hole 401 and the second left mounting hole 501 are at the same height, the number of the second left mounting holes 501 is two, the second left slot 503 is located between the two second left mounting holes 501, the second left mounting holes 501 are arranged on the side wall, perpendicular to the first direction, of the second left corner covering plate 5, the two second left mounting holes 501 are aligned, two ends of the second left pin shaft respectively penetrate through the two second left mounting holes 501 and extend out of the second left corner covering plate 5, and the second left upright column 202 is located between the two second left mounting holes 501. The second left slot 503 is a rectangular slot, the second left upright column 202 is a cylinder with a rectangular cross section, when the left door frame 2 is at the supporting position, the lower end of the second left upright column 202 in the vertical state is inserted into the second left slot 503, and the second left protrusion 209 is inserted into the second left limiting slot 502. The second left limiting groove 502 is disposed at the top of the second left corner-wrapping plate 5, the second left limiting groove 502 is a groove extending from the top surface of the second left corner-wrapping plate 5 downward toward the inside of the second left corner-wrapping plate 5, the second left limiting groove 502 is preferably a U-shaped groove, two second left limiting grooves 502 are disposed, the second left slot 503 is disposed between the two second left limiting grooves 502, each second left mounting hole 501 is disposed below one second left limiting groove 502, the two second left limiting grooves 502 are disposed on two opposite side walls of the second left corner-wrapping plate 5 perpendicular to the first direction, the two second left limiting grooves 502 are aligned, and the two second left limiting grooves 502 are on the same straight line parallel to the first direction. The second left protrusion 209 is disposed on the second left upright column 202, the second left protrusion 209 protrudes toward the outside of the second left upright column 202, the second left protrusion 209 is disposed two and two second left protrusions 209 are disposed on two opposite outer wall surfaces of the second left upright column 202, and the two second left protrusions 209 are respectively used for being embedded into one second left limiting groove 502. The second left protrusion 209 is matched with the second left limiting groove 502, so that the second left upright 202 can be limited in the second direction and the vertical direction, the second left upright 202 is prevented from rotating relative to the second left corner wrapping plate 5, and the shape of the second left protrusion 209 is matched with the shape of the second left limiting groove 502.

As shown in fig. 1 to 4, the left gantry 2 further includes a left connecting rod 203, the left connecting rod 203 is located between the first left upright 201 and the second left upright 202, the left connecting rod 203 is fixedly connected with the first left upright 201 and the second left upright 202, the length directions of the first left upright 201 and the second left upright 202 are parallel to the first direction, and the left connecting rod 203 is connected with the first left upright 201 and the second left upright 202 to form an integrated structure, so as to form the left gantry 2. The first left pin shaft is fixedly connected with one end of the first left upright column 201 in the length direction, the left connecting rod 203 is fixedly connected with the other end of the first left upright column 201 in the length direction, the second left pin shaft is fixedly connected with one end of the second left upright column 202 in the length direction, and the left connecting rod 203 is fixedly connected with the other end of the second left upright column 202 in the length direction.

As shown in fig. 1 to 4, 8 and 9, when the left gantry 2 needs to be switched from the supporting position to the tilting position, even if the first left upright 201 and the second left upright 202 are switched from the vertical state to the horizontal state, the left gantry 2 is lifted upwards to move the first left protrusion 208 out of the first left limiting groove 402 and move the second left protrusion 209 out of the second left limiting groove 502, the first left pin and the second left pin move upwards along the first left mounting hole 401 and the second left mounting hole 501 respectively, and then the left gantry 2 is rotated downwards until the left gantry 2 is tilted on the lower layer positioning device, the tilted left gantry 2 is in the horizontal state, the left gantry 2 is switched to the tilting position, and the left gantry 2 in the tilting position is supported by the lower layer positioning device. After the left portal 2 is laid down, the material rack is convenient to store, the height of the material rack is reduced, and the space occupied by the material rack is reduced.

As shown in fig. 1 to 3 and 5, the right gantry 3 includes a first right upright 301 inserted into the first right angle-wrapping plate 6 and a second right upright 302 inserted into the second right angle-wrapping plate 7, the first right upright 301 and the second right upright 302 are parallel, the first right upright 301 is connected with the first right angle-wrapping plate 6 through a first right pin shaft, and the second right upright 302 is connected with the second right angle-wrapping plate 7 through a second right pin shaft. First right round pin axle and second right round pin axle are coaxial setting, the axis of first right round pin axle and second right round pin axle parallels with first direction, first right stand 301 and second right stand 302 have certain length, the length direction of first right stand 301 parallels with the length direction of second right stand 302, the length size of first right stand 301 and second right stand 302 is the same and the both ends of first right stand 301 and second right stand 302 align respectively, first right stand 301 and second right stand 302 are in the same straight line that parallels with first direction. First right stand 301 is connected with first right cornerite board 6 through first right round pin axle, first right cornerite board 6 has and lets first right round pin axle male first right mounting hole 601 and this first right mounting hole 601 be waist shape hole, first right mounting hole 601 is for extending along vertical direction on first right cornerite board 6, the length of first right mounting hole 601 is greater than the diameter of first right round pin axle and is less than the length of first right cornerite board 6, first right stand 301 has the shaft hole that lets first right round pin axle pass and this shaft hole is the round hole, the diameter in this shaft hole is the same with the diameter size of first right round pin axle, first right round pin axle and first right stand 301 fixed connection, the length of first right mounting hole 601 has decided first right stand 301 and has carried out the stroke that reciprocates for first right cornerite board 6. The first right corner wrapping plate 6 has a first right slot 603 for accommodating the first right pillar 301 and a first right limiting groove 602 located above the first right pin, the first right mounting hole 601 is located below the first right limiting groove 602, and the first right pillar 301 is provided with a first right protrusion 306 for being embedded into the first right limiting groove 602 to keep the first right pillar 301 in a vertical state. First right slot 603 is the recess that begins to extend the formation along the inside of first right cornerite board 6 of vertical direction downward orientation from the top surface of first right cornerite board 6, first right slot 603 forms an opening on the side of first right cornerite board 6 towards first left cornerite board 4 forms, first right slot 603 also forms the opening that lets first right stand 301 pass through on the top surface of first right cornerite board 6, the opening of first right cornerite 6 top surface and the opening intercommunication of side for first right stand 301 can reciprocate and rotate for first right cornerite board 6, realize the position switch of right portal 3. First right mounting hole 601 sets up two, and first right slot 603 is located between two first right mounting holes 601, and first right mounting hole 601 sets up on first right cornerite board 6 with first direction looks vertically lateral wall, and two first right mounting hole 601 positions align, and two first right mounting holes 601 are passed respectively and stretch out to first right cornerite board 6's outside to two first right mounting holes 601 at the both ends of first right round pin axle, and first right stand 301 is located between two first right mounting holes 601. The first right slot 603 is a rectangular slot, the first right upright 301 is a cylinder with a rectangular cross section, when the right gantry 3 is at the supporting position, the lower end of the first right upright 301 in the vertical state is inserted into the first right slot 603, and the first right protrusion 306 is inserted into the first right limiting slot 602. The first right limiting groove 602 is arranged at the top of the first right corner wrapping plate 6, the first right limiting groove 602 is a groove extending from the top surface of the first right corner wrapping plate 6 downwards towards the inside of the first right corner wrapping plate 6, the first right limiting groove 602 is preferably a U-shaped groove, the number of the first right limiting grooves 602 is two, the first right slot 603 is located between the two first right limiting grooves 602, each first right mounting hole 601 is located below one first right limiting groove 602, the two first right limiting grooves 602 are arranged on two opposite side walls of the first right corner wrapping plate 6 perpendicular to the first direction, the positions of the two first right limiting grooves 602 are aligned, and the two first right limiting grooves 602 are located on the same straight line parallel to the first direction. First right protrusion 306 is disposed on first right upright column 301, and first right protrusion 306 protrudes toward the outside of first right upright column 301, first right protrusion 306 is disposed two and two first right protrusions 306 are disposed on two opposite outer wall surfaces of first right upright column 301, and two first right protrusions 306 are respectively used for being embedded into one first right limiting groove 602. First right arch 306 matches with first right spacing groove 602, can play limiting displacement to first right stand 301 in second direction and vertical direction, avoids first right stand 301 to rotate for first right cornerite board 6, and the shape of first right arch 306 and the shape phase-match of first right spacing groove 602.

The second right upright column 302 is connected with a second right corner wrapping plate 7 through a second right pin shaft, the second right corner wrapping plate 7 is provided with a second right mounting hole 701 allowing the second right pin shaft to be inserted into, the second right mounting hole 701 is a waist-shaped hole, the second right mounting hole 701 extends in the vertical direction on the second right corner wrapping plate 7, the length of the second right mounting hole 701 is larger than the diameter of the second right pin shaft and smaller than the length of the second right corner wrapping plate 7, the second right upright column 302 is provided with a shaft hole allowing the second right pin shaft to pass through, the shaft hole is a round hole, the diameter of the shaft hole is the same as the diameter of the second right pin shaft, the second right pin shaft is fixedly connected with the second right upright column 302, and the length of the second right mounting hole 701 determines the stroke of the second right upright column 302 moving up and down relative to the second right corner wrapping plate 7. The second right corner wrapping plate 7 has a second right slot 703 for accommodating the second right pillar 302 and a second right limiting groove 702 located above the second right pin, the second right mounting hole 701 is located below the second right limiting groove 702, and the second right pillar 302 is provided with a second right protrusion 307 for being embedded into the second right limiting groove 702 to keep the second right pillar 302 in a vertical state. The second right slot 703 is a groove formed by extending from the top surface of the second right corner wrapping plate 7 downward in the vertical direction toward the inside of the second right corner wrapping plate 7, the second right slot 703 forms an opening on the side surface of the second right corner wrapping plate 7 facing the second left corner wrapping plate 5, the second right slot 703 also forms an opening through which the second right column 302 passes on the top surface of the second right corner wrapping plate 7, and the opening on the top surface of the second right corner wrapping plate 7 is communicated with the opening on the side surface, so that the second right column 302 can move up and down and rotate relative to the second right corner wrapping plate 7, and the position switching of the right door frame 3 is realized. The length of the second right mounting hole 701 is the same as the length of the first right mounting hole 601, the first right mounting hole 601 and the second right mounting hole 701 are at the same height, the length of the second right mounting hole 701 and the second left mounting hole 501 is the same, the second right mounting hole 701 and the second left mounting hole 501 are at the same height, two second right mounting holes 701 are provided, the second right slot 703 is located between the two second right mounting holes 701, the second right mounting hole 701 is provided on the side wall of the second right corner wrapping plate 7 perpendicular to the first direction, the two second right mounting holes 701 are aligned, two ends of the second right pin shaft respectively penetrate through the two second right mounting holes 701 and extend out of the second right corner wrapping plate 7, and the second right column 302 is located between the two second right mounting holes 701. The second right slot 703 is a rectangular groove, the second right upright 302 is a cylinder with a rectangular cross section, when the right gantry 3 is at the supporting position, the lower end of the second right upright 302 in the vertical state is inserted into the second right slot 703, and the second right protrusion 307 is inserted into the second right limiting groove 702. The second right limiting groove 702 is arranged at the top of the second right corner wrapping plate 7, the second right limiting groove 702 is a groove extending from the top surface of the second right corner wrapping plate 7 downwards towards the inside of the second right corner wrapping plate 7, the second right limiting groove 702 is preferably a U-shaped groove, the second right limiting grooves 702 are two, the second right slot 703 is located between the two second right limiting grooves 702, each second right mounting hole 701 is located below one second right limiting groove 702, the two second right limiting grooves 702 are arranged on two opposite side walls of the second right corner wrapping plate 7 perpendicular to the first direction, the two second right limiting grooves 702 are aligned in position, and the two second right limiting grooves 702 are located on the same straight line parallel to the first direction. The second right protrusion 307 is disposed on the second right pillar 302, and the second right protrusion 307 protrudes toward the outside of the second right pillar 302, the second right protrusion 307 is disposed in two, and two second right protrusions 307 are disposed on two opposite outer wall surfaces of the second right pillar 302, and the two second right protrusions 307 are respectively configured to be embedded in one second right limiting groove 702. The second right protrusion 307 is matched with the second right limiting groove 702, so that the second right column 302 can be limited in the second direction and the vertical direction, the second right column 302 is prevented from rotating relative to the second right corner wrapping plate 7, and the shape of the second right protrusion 307 is matched with the shape of the second right limiting groove 702.

As shown in fig. 1 to 3 and 5, the right gantry 3 further includes a right connecting rod 303, the right connecting rod 303 is located between the first right upright 301 and the second right upright 302, the right connecting rod 303 is fixedly connected with the first right upright 301 and the second right upright 302, the length directions of the first right upright 301 and the second right upright 302 are parallel to the first direction, and the right connecting rod 303 is connected with the first right upright 301 and the second right upright 302 into an integral structure to form the right gantry 3. First right round pin axle and the ascending one end fixed connection of length direction of first right stand 301, right connecting rod 303 and the ascending other end fixed connection of length direction of first right stand 301, the ascending one end fixed connection of length direction of second right round pin axle and second right stand 302, right connecting rod 303 and the ascending other end fixed connection of length direction of second right stand 302.

As shown in fig. 1 to 3, 5, 13 and 14, when it is required to switch the gantry from the supporting position to the tilting position, even if the first right upright 301 and the second right upright 302 are switched from the vertical state to the horizontal state, the right gantry 3 is lifted up first, the first right protrusion 306 moves out of the first right limiting groove 602, the second right protrusion 307 moves out of the second right limiting groove 702, the first right pin and the second right pin move up along the first right mounting hole 601 and the second right mounting hole 701 respectively, and then the right gantry 3 is rotated down until the right gantry 3 is tilted down on the upper positioning device in the folded state, the tilted right gantry 3 is in the horizontal state, the right gantry 3 is switched to the tilting position, and the right gantry 3 in the tilting position is supported by the upper positioning device in the folded state. After the right portal 3 is laid down, the material rack is convenient to store, the height of the material rack is reduced, and the space occupied by the material rack is reduced.

As shown in fig. 1 to 3, the lower positioning device includes a first positioning block 14, a second positioning block 15 and a third positioning block 16 sequentially arranged along a second direction; when the left portal frame 2 and the right portal frame 3 are in the overturning positions, the second positioning block 15 provides a supporting effect for the left portal frame 2, the third positioning block 16 provides a supporting effect for the upper positioning device in the folded state, and the upper positioning device in the folded state provides a supporting effect for the right portal frame 3. The first positioning block 14, the second positioning block 15 and the third positioning block 16 are arranged on the top surface of the chassis 1, and the first positioning block 14, the second positioning block 15 and the third positioning block 16 are fixedly connected with the chassis 1. First locating piece 14 is located the ascending one end of length direction of chassis 1, second locating piece 15 and third locating piece 16 are located the position department between the ascending both ends of length direction of chassis 1, first locating piece 14 is used for providing the supporting role at the ascending one end of length direction of the vice muffler assembly of car to the vice muffler assembly of car, first locating piece 14 has certain length and first locating piece 14's length direction and first direction and parallels, first locating piece 14's length slightly is less than the width of chassis 1. The second positioning block 15 and the third positioning block 16 are used for providing supporting and positioning functions for the automobile auxiliary silencer assembly at a position between two ends of the automobile auxiliary silencer assembly in the length direction, the second positioning block 15 is provided with a plurality of first lower positioning grooves for embedding the automobile auxiliary silencer assembly, the first lower positioning grooves are formed in the second positioning block 15, all the first lower positioning grooves are sequentially arranged in the length direction of the second positioning block 15 and are distributed at equal intervals, the second positioning block 15 has a certain length, the length direction of the second positioning block 15 is parallel to the first direction, the length of the second positioning block 15 is slightly smaller than the width of the chassis 1, the length of the second positioning block 15 is the same as the length of the first positioning block 14, two ends of the first positioning block 14 are respectively aligned with two ends of the second positioning block 15, the first lower positioning grooves are semicircular grooves, and the first lower positioning grooves are concave grooves formed by downwards from the top surface of the second positioning block 15 to the inside of the second positioning block 15 The groove, the height of the top surface of second locating piece 15 is greater than the height of the top surface of first locating piece 14, and the top surface of first locating piece 14 contacts with the excircle face of the vice muffler assembly of car, and the shape of first constant head tank matches with the shape of the vice muffler assembly of car, and the interior disc of first constant head tank is laminated with the excircle face of the vice muffler assembly of car, and location effect is good, and stability is good. Each first lower positioning groove is respectively embedded with one automobile auxiliary silencer assembly, so that the transfer of a plurality of automobile auxiliary silencer assemblies can be realized simultaneously. The third positioning block 16 is provided with a plurality of second lower positioning grooves for embedding the automobile auxiliary silencer assembly, the second lower positioning grooves are arranged on the third positioning block 16, all the second lower positioning grooves are sequentially arranged along the length direction of the third positioning block 16 and are distributed at equal intervals, the third positioning block 16 has a certain length, the length direction of the third positioning block 16 is parallel to the second direction, the length of the third positioning block 16 is slightly smaller than the width of the chassis 1, the length of the third positioning block 16 is the same as the length of the second positioning block 15, two ends of the second positioning block 15 are respectively aligned with two ends of the third positioning block 16, the second lower positioning grooves are grooves formed by downwards recessing from the top surface of the third positioning block 16 to the inside of the third positioning block 16, the height of the top surface of the third positioning block 16 is larger than that of the top surface of the second positioning block 15, the number of the first lower positioning grooves is the same as that of the second lower positioning grooves, each first lower positioning groove and one second lower positioning groove are respectively positioned on the same straight line parallel to the second direction, and each second lower positioning groove is respectively embedded with an automobile auxiliary silencer assembly.

As shown in fig. 1 and fig. 2, the upper layer positioning device includes a left door turning plate 18 rotatably disposed on the left door frame 2 and configured to be capable of switching between a positioning position and a turning-up position, a positioning seat 11 disposed on the rack body, and a right support member 10 disposed on the positioning seat 11 and configured to be capable of switching between a positioning position and a turning-over position, the right support member 10 is connected with the positioning seat 11 through a third right pin, the lower layer positioning device provides a supporting effect for the right support member 10 at the turning-over position, the right support member 10 at the turning-over position provides a supporting effect for the right door frame 3 at the turning-over position, and the left door turning plate 18 and the right support member 10 are used for providing a supporting and positioning effect for the automobile sub-muffler assembly. When the left door turning plate 18 is located at the positioning position, the left door turning plate 18 is located right above the first positioning block 14; when the right supporting member 10 is located at the positioning position, the right supporting member 10 is located between the right gantry 3 and the third positioning block 16 in the second direction. The left door turning plate 18 and the right supporting piece 10 are used for respectively supporting and positioning the automobile auxiliary silencer assembly at one end in the length direction of the automobile auxiliary silencer assembly, and the upper layer positioning device and the lower layer positioning device are arranged to be matched with each other, so that the automobile auxiliary silencer assembly is supported and positioned together, the positioning reliability of the automobile auxiliary silencer assembly is ensured, and the positioning effect and the stability are improved.

As shown in fig. 1, 2, 4, 6 to 8, the left door flap 18 is rotatably connected to the left door frame 2, a rotation center line of the left door flap 18 is parallel to the first direction, and when the left door frame 2 is at the supporting position, the left door flap 18 can rotate up and down relative to the left door frame 2, so as to switch the positions. The left door turning plate 18 is provided with a plurality of first upper positioning grooves for embedding the automobile auxiliary silencer assembly, the first upper positioning grooves are arranged on the left door turning plate 18, all the first upper positioning grooves are sequentially arranged along the length direction of the left door turning plate 18 and are distributed at equal intervals, the left door turning plate 18 has a certain length, the length direction of the left door turning plate 18 is parallel to the first direction, the length of the left door turning plate 18 is slightly smaller than the width of the chassis 1, the length of the left door turning plate 18 is approximately the same as that of the first positioning block 14, two ends of the first positioning block 14 are respectively aligned with two ends of the left door turning plate 18, the first upper positioning grooves are semicircular grooves, the first upper positioning grooves are grooves formed by downwards recessing towards the inside of the left door turning plate 18 from the top surface of the left door turning plate 18, the height of the top surface of the left door turning plate 18 at the positioning position is smaller than the height of the top surface of the right support, the quantity of constant head tank is the same with the quantity of first constant head tank on first, and the shape of constant head tank matches with the shape of vice muffler assembly of car on first, and the interior disc of constant head tank and the outer disc laminating of vice muffler assembly of car on first, and positioning effect is good, and stability is good. The left gantry 2 further comprises a first left lower support rod 206 arranged on the first left upright 201 and a second left lower support rod 207 arranged on the second left upright 202, the first left lower support rod 206 and the second left lower support rod 207 both have a certain length, the length directions of the first left lower support rod 206 and the second left lower support rod 207 are parallel, the length direction of the first left lower support rod 206 is perpendicular to the length direction of the first left upright 201, the length direction of the second left lower support rod 207 is perpendicular to the length direction of the second left upright 202, the first left lower support rod 206 is fixedly connected with the first left upright 201 at a position between two ends of the first left upright 201 in the length direction, the second left lower support rod 207 is fixedly connected with the second left upright 202 at a position between two ends of the second left upright 202 in the length direction, when the left gantry 2 is in the supporting position, the length direction of the first left lower prop 206 is parallel to the length direction of the first left upright 201 and the second direction. The left door turning plate 18 is rotatably connected with the first left lower support rod 206 and the second left lower support rod 207, one end of the left door turning plate 18 is rotatably connected with the first left lower support rod 206 through a rotating shaft, and the other end of the left door turning plate 18 is rotatably connected with the second left lower support rod 207 through a rotating shaft. First lower left brace 206 and second lower left brace 207 have when left door turns over the board 18 and be in the locating position to the bearing surface that left door turned over the board 18 and play limiting displacement, when left door turns over the board 18 and is in the locating position, bearing surface on first lower left brace 206 and the second lower left brace 207 is located the below of left door turns over board 18 and the bearing surface parallels with the bottom surface that the board 18 was turned over to the left door, avoid left door to turn over board 18 and continue to rotate downwards, make left door turn over board 18 can keep at the locating position, the axis of the first constant head tank that goes up on the left door turn over board 18 that is in the locating position parallels with the second direction. When the left door flap 18 is switched from the positioning position to the turning-up position, the left door flap 18 is turned upwards, and finally the left door flap 18 abuts against the first left upright 201 and the second left upright 202, and the axis of the first upper positioning groove on the left door flap 18 in the turning-up position is approximately in a vertical state. The second left lower supporting rod 207 is provided with a bolt 21 used for limiting the left door turning plate 18 after the left door turning plate 18 is switched to the turning position, the axis of the bolt 21 is parallel to the first direction, the bolt 21 is a drawing pin capable of drawing along the first direction, after the left door turning plate 18 is switched to the turning position, the bolt 21 is released, the bolt 21 limits the left door turning plate 18 at one side of the left door turning plate 18 to avoid the downward rotation of the left door turning plate 18, and the left door turning plate 18 is kept between the bolt 21 and the second left upright column 202.

As shown in fig. 1, fig. 2, and fig. 10 to fig. 14, the right supporting member 10 includes a right supporting upright 1001 inserted into the positioning seat 11 and connected to the positioning seat 11 through a third right pin, and an upper positioning block 1002 disposed on the right supporting upright 1001, the positioning seat 11 is disposed with two and two positioning seats 11 on a same straight line parallel to the first direction, the right supporting upright 1001 is also disposed with two and each right supporting upright 1001 is respectively inserted into one positioning seat 11, each right supporting upright 1001 is connected to one positioning seat 11 through a third right pin, and an axis of the third right pin is parallel to the first direction. The positioning seat 11 has a certain length, the length direction of the positioning seat 11 is parallel to the length direction of the first left upright 201, the positioning seat 11 extends towards the upper part of the chassis 1, and the lower end of the positioning seat 11 is fixedly connected with the chassis 1. Positioning seat 11 has the mounting hole that lets third right round pin axle male and this mounting hole be waist shape hole, the mounting hole is for following vertical direction extension on positioning seat 11, the length of mounting hole is greater than the diameter of third right round pin axle and is less than positioning seat 11's length, right side support post 1001 has the shaft hole that lets third right round pin axle pass and this shaft hole is the round hole, the diameter in this shaft hole is the same with the diameter size of third right round pin axle, third right round pin axle and right support post 1001 fixed connection, the length of mounting hole has decided right support post 1001 and has carried out the stroke that reciprocates for positioning seat 11. The positioning seat 11 has a slot for accommodating the right support column 1001 and a limit groove located above the third right pin shaft, the mounting hole is located below the limit groove, and the right support column 1001 is provided with a limit protrusion 1004 for being embedded into the limit groove to keep the right support column 1001 in a vertical state. The slot is the recess that begins to extend towards the inside of positioning seat 11 downwards along vertical direction from the top surface of positioning seat 11 and forms, and the slot forms an opening on the side of the face of positioning seat 11 towards third locating piece 16, and the slot also forms the opening that lets right support column 1001 pass through on the top surface of positioning seat 11, and the opening of positioning seat 11 top surface communicates with the opening of side for right support column 1001 can reciprocate and rotate for positioning seat 11, realizes right support piece 10's position switching. The mounting hole sets up two, and the slot is located between two mounting holes, and the mounting hole sets up on the lateral wall of positioning seat 11 with first direction looks vertically, and two mounting hole positions align, and two mounting holes are passed respectively at the both ends of third right round pin axle and stretch out to the outside of positioning seat 11, and right support column 1001 is located between two mounting holes. The slot is a rectangular slot, the right support column 1001 is a cylinder with a rectangular cross section, when the right support 10 is at the positioning position, the lower end of the right support column 1001 in the vertical state is inserted into the slot, and the limit protrusion 1004 is inserted into the limit slot. The limiting grooves are formed in the top of the positioning seat 11, the limiting grooves are grooves extending downwards from the top surface of the positioning seat 11 to the inside of the positioning seat 11, the limiting grooves are preferably U-shaped grooves, the two limiting grooves are arranged, the inserting grooves are located between the two limiting grooves, each installing hole is located below one limiting groove respectively, the two limiting grooves are formed in two opposite side walls, perpendicular to the first direction, of the positioning seat 11, the two limiting grooves are aligned in position, and the two limiting grooves are located on the same straight line parallel to the first direction. The limiting protrusions 1004 are arranged on the right supporting upright 1001, the limiting protrusions 1004 protrude towards the outside of the right supporting upright 1001, the limiting protrusions 1004 are arranged on two opposite outer wall surfaces of the right supporting upright 1001, and the two limiting protrusions 1004 are respectively used for being embedded into one limiting groove. The limiting protrusion 1004 is matched with the limiting groove, and can limit the right supporting upright 1001 in the second direction and the vertical direction, so as to prevent the right supporting member 10 from rotating relative to the positioning seat 11, and the shape of the limiting protrusion 1004 is matched with the shape of the limiting groove. When the right supporting member 10 needs to be switched from the positioning position to the tilting position, even if the right supporting upright 1001 is switched from the vertical state to the inclined state, the right supporting member 10 is lifted upwards to move the limiting protrusion 1004 out of the limiting groove, the third right pin shaft moves upwards along the mounting hole, and then the right supporting member 10 is rotated downwards until the right supporting member 10 is laid on the lower layer positioning device, the laid right supporting member 10 is in the inclined state, the right supporting member 10 is switched to the tilting position, and the right supporting member 10 in the tilting position is supported by the bracket 17 of the lower layer positioning device. After the right support piece 10 is laid down, the material rack is convenient to store, the height of the material rack is reduced, and the space occupied by the material rack is reduced. The bracket 17 is a component which is arranged on the chassis 1 and is used for providing a supporting effect for the right supporting piece 10 in the turnover position, the bracket 17 is fixedly connected with the third positioning block 16, in the second direction, the bracket 17 is positioned between the third positioning block 16 and the positioning seat 11, the top surface of the bracket 17 is used for contacting with the right supporting piece 10, and the height of the top surface of the bracket 17 is smaller than that of the top surface of the third positioning block 16.

As shown in fig. 1, 2, and 10 to 14, the upper positioning block 1002 has a plurality of second upper positioning grooves for embedding the secondary muffler assembly of the automobile, all the second upper positioning grooves are sequentially arranged along the length direction of the upper positioning block 1002 and are equidistantly distributed, the upper positioning block 1002 has a certain length, the length direction of the upper positioning block 1002 is parallel to the first direction, the length of the upper positioning block 1002 is slightly smaller than the width of the chassis 1, the length of the upper positioning block 1002 is substantially the same as the length of the left door flap 18, and two ends of the left door flap 18 are respectively aligned with two ends of the upper positioning block 1002. The upper positioning block 1002 is fixedly connected to one end of each of the two right support columns 1001 in the length direction, and the third right pin is fixedly connected to the other end of each of the right support columns 1001 in the length direction. The second upper positioning groove is a semicircular groove, the second upper positioning groove is a groove formed by downwards recessing from the top surface of the upper positioning block 1002 to the inside of the upper positioning block 1002, the height of the top surface of the upper positioning block 1002 at the positioning position is greater than that of the top surface of the left door turning plate 18 at the positioning position, the number of the second upper positioning grooves is the same as that of the first upper positioning grooves, the shape of the second upper positioning grooves is matched with that of the automobile auxiliary silencer assembly, and the inner circular surface of the second upper positioning grooves is attached to the outer circular surface of the automobile auxiliary silencer assembly. The axis of the second upper positioning slot on the right support 10 in the positioning position is parallel to the second direction. When the right supporting piece 10 is switched from the positioning position to the turnover position, the right supporting piece 10 is turned downwards, and finally the right supporting piece 10 abuts against the bracket 17, and an included angle is formed between the axis of the second upper positioning groove on the right supporting piece 10 in the turnover position and the second direction and is an acute angle.

The pressing device in the assembling state is used for limiting the automobile auxiliary silencer assembly above the automobile auxiliary silencer assembly, the automobile auxiliary silencer assembly is prevented from jumping in the vertical direction, stability of the automobile auxiliary silencer assembly during transferring is guaranteed, and the pressing device in the assembling state is installed on the left portal frame 2 and the right portal frame 3. As shown in fig. 1, 2, and 15 to 22, the pressing device includes a first horizontal blocking frame 8, a second horizontal blocking frame 9, and a left pressing rod 12 and a right pressing rod 13 detachably connected to the first horizontal blocking frame 8 and the second horizontal blocking frame 9, when the pressing device is in an assembled state, the first horizontal blocking frame 8 and the second horizontal blocking frame 9 are installed on the left door frame 2 and the right door frame 3, the first horizontal blocking frame 8 and the second horizontal blocking frame 9 are oppositely arranged, the length directions of the first horizontal blocking frame 8 and the second horizontal blocking frame 9 are parallel to the second direction, the first horizontal blocking frame 8 and the second horizontal blocking frame 9 are on the same straight line parallel to the first direction, and the left door frame 2, the left pressing rod 12, the right pressing rod 13, and the right door frame 3 are sequentially arranged along the second direction. Left depression bar 12 and right depression bar 13 are located between left portal 2 and the right portal 3, the position of left depression bar 12 is close to left portal 2, the position of right depression bar 13 is close to right portal 3, and left depression bar 12 is located the top of the left door turnover board 18 that is in the locating position, right depression bar 13 is located the top of the right support piece 10 that is in positioner, left depression bar 12, right depression bar 13, first crosspiece frame 8 and second crosspiece frame 9 all are located the top of the vice muffler assembly of car, the length direction and the first direction of left depression bar 12 and right depression bar 13 are parallel. Preferably, one end of the first crosspiece 8 is connected with the left door frame 2 through a bolt 22, the other end of the first crosspiece 8 is connected with the right door frame 3 through another bolt 22, two ends of the first crosspiece 8 are respectively provided with a pin hole into which the bolt 22 is inserted, the bolt 22 is of an L-shaped structure, and the axis of the pin hole is parallel to the first direction; one end of the second transverse blocking frame 9 is connected with the left door frame 2 through a bolt 22, the other end of the second transverse blocking frame 9 is connected with the right door frame 3 through another bolt 22, two ends of the second transverse blocking frame 9 are respectively provided with a pin hole into which the bolt 22 is inserted, and the axis of the pin hole is parallel to the first direction; one end of the left pressure lever 12 is connected with the first transverse baffle frame 8 through a bolt 21, the other end of the left pressure lever 12 is connected with the second transverse baffle frame 9 through another bolt 21, two ends of the left pressure lever 12 are respectively provided with a pin hole for inserting the bolt 21, the axis of the bolt 21 is parallel to the second direction, the bolt 21 is a drawing pin capable of drawing along the second direction, and the two bolts 21 are arranged on the first transverse baffle frame 8 and the second transverse baffle frame 9. One end of the right pressing rod 13 is connected with the first transverse blocking frame 8 through a bolt 21, the other end of the right pressing rod 13 is connected with the second transverse blocking frame 9 through another bolt 21, two ends of the right pressing rod 13 are respectively provided with a pin hole for inserting the bolt 21, the axis of the bolt 21 is parallel to the second direction, the bolt 21 is a drawing pin capable of drawing along the second direction, and the two bolts 21 are installed on the first transverse blocking frame 8 and the second transverse blocking frame 9.

As shown in fig. 1, 2, and 15 to 22, the first crosspiece frame 8 includes a first upper beam 801, and a first left hanging rod 802 and a first right hanging rod 803 which are disposed on the first upper beam 801, the second crosspiece frame 9 includes a second upper beam 901, and a second left hanging rod 902 and a second right hanging rod 903 which are disposed on the second upper beam 901, the left pressure rod 12 is detachably connected to the first left hanging rod 802 and the second left hanging rod 902, the right pressure rod 13 is detachably connected to the first right hanging rod 803 and the second right hanging rod 903, the length directions of the first upper beam 801 and the second upper beam 901 are parallel to the second direction, the length sizes of the first upper beam 801 and the second upper beam 901 are the same, and two ends of the first upper beam 801 and the second upper beam 901 are aligned. First left peg 802 and first right peg 803 have certain length and the length direction of first left peg 802 and first right peg 803 is parallel, the length direction of first left peg 802 and first right peg 803 is perpendicular with the length direction of first entablature 801, one end and first entablature 801 fixed connection on the length direction of first left peg 802 and first right peg 803, the other end and the left depression bar 12 on the length direction of first left peg 802 are detachable connection, the other end and the right depression bar 13 on the length direction of first right peg 803 are detachable connection, set up a bolt 21 on first left peg 802 and the first right peg 803 respectively. As shown in fig. 4, the left gantry 2 further includes a first left upper supporting rod 204 disposed on the first left upright 201 and a second left upper supporting rod 205 disposed on the second left upright 202, the first left upper supporting rod 204 and the second left upper supporting rod 205 both have a certain length, and the length directions of the first left upper supporting rod 204 and the second left upper supporting rod 205 are parallel, the length direction of the first left upper supporting rod 204 is perpendicular to the length direction of the first left upright 201, the length direction of the second left upper supporting rod 205 is perpendicular to the length direction of the second left upright 202, the first left upper supporting rod 204 is fixedly connected to the first left upright 201 at a position between two ends of the first left upright 201 in the length direction, the second left upper supporting rod 205 is fixedly connected to the second left upright 202 at a position between two ends of the second left upright 202 in the length direction, the first left upper supporting rod 204 is located above the first left lower supporting rod 206, and the first left upper supporting rod 204 and the first left upper supporting rod 206 extend out of the same side of the first left upright 201, the second left upper bracket bar 205 is located above the second left lower bracket bar 207 and the second left upper bracket bar 205 and the second left lower bracket bar 207 extend out towards the same side of the second left upright 202.

As shown in fig. 1, 2, and 15 to 22, the second left hanging rod 902 and the second right hanging rod 903 have a certain length, the length directions of the second left hanging rod 902 and the second right hanging rod 903 are parallel, the length directions of the second left hanging rod 902 and the second right hanging rod 903 are perpendicular to the length direction of the second upper cross beam 901, one end of the second left hanging rod 902 and the second right hanging rod 903 in the length direction is fixedly connected to the second upper cross beam 901, the other end of the second left hanging rod 902 in the length direction is detachably connected to the left pressure lever 12, the other end of the second right hanging rod 903 in the length direction is detachably connected to the right pressure lever 13, and a latch 21 is respectively disposed on the second left hanging rod 902 and the second right hanging rod 903. As shown in fig. 5, the right gantry 3 further includes a first right upper supporting rod 304 disposed on the first right upright 301 and a second right upper supporting rod 305 disposed on the second right upright 302, the first right upper supporting rod 304 and the second right upper supporting rod 305 both have a certain length, and the length directions of the first right upper supporting rod 304 and the second right upper supporting rod 305 are parallel, the length direction of the first right upper supporting rod 304 is perpendicular to the length direction of the first right upright 301, the length direction of the second right upper supporting rod 305 is perpendicular to the length direction of the second right upright 302, the first right upper supporting rod 304 is fixedly connected to the first right upright 301 at a position between two ends of the first right upright 301 in the length direction, and the second right upper supporting rod 305 is fixedly connected to the second right upright 302 at a position between two ends of the second right upright 302 in the length direction.

When the pressing device is in an assembled state, the left door frame 2 and the right door frame 3 are in supporting positions, one end of the first upper cross beam 801 is connected with the first left upper supporting rod 204 through a bolt 22, the bolt 22 penetrates through a pin hole formed in the end part of the first upper cross beam 801 and a pin hole formed in the first left upper supporting rod 204, the end part of the first upper cross beam 801 is sleeved on the first left upper supporting rod 204, an opening through which the first left upper supporting rod 204 passes is formed in the bottom surface of the end part of the first upper cross beam 801, and the bolt 22 enables the first upper cross beam 801 and the first left upper supporting rod 204 to be relatively fixed; the other end of the first upper cross beam 801 is connected with the first right upper supporting rod 304 through another bolt 22, the bolt 22 passes through a pin hole formed in the other end of the first upper cross beam 801 and a pin hole formed in the first right upper supporting rod 304, the end of the first upper cross beam 801 is sleeved on the first right upper supporting rod 304, an opening through which the first right upper supporting rod 304 passes is formed in the bottom surface of the end of the first upper cross beam 801, the first upper cross beam 801 and the first right upper supporting rod 304 are relatively fixed through the bolt 22, the first left upper supporting rod 204 is matched with the first right upper supporting rod 304 to support the first cross stop frame 8, the first left hanging rod 802 and the first right hanging rod 803 are in a vertical state, and the first left hanging rod 802 and the first right hanging rod 803 extend towards the lower part of the first upper cross beam 801; similarly, one end of the second upper cross beam 901 is connected to the second left upper supporting rod 205 through a plug 22, the plug 22 passes through a pin hole formed in the end of the second upper cross beam 901 and a pin hole formed in the second left upper supporting rod 205, the end of the second upper cross beam 901 is sleeved on the second left upper supporting rod 205, an opening through which the second left upper supporting rod 205 passes is formed in the bottom surface of the end of the second upper cross beam 901, and the second upper cross beam 901 and the second left upper supporting rod 205 are kept relatively fixed by the plug 22; the other end of the second upper cross beam 901 is connected with the second right upper supporting rod 305 through another plug 22, the plug 22 passes through a pin hole formed in the other end of the second upper cross beam 901 and a pin hole formed in the second right upper supporting rod 305, the end of the second upper cross beam 901 is sleeved on the second right upper supporting rod 305, an opening through which the second right upper supporting rod 305 passes is formed in the bottom surface of the end of the second upper cross beam 901, the second upper cross beam 901 and the second right upper supporting rod 305 are relatively fixed through the plug 22, the second left upper supporting rod 205 is matched with the second right upper supporting rod 305 to support the second cross frame 9, the second left hanging rod 902 and the second right hanging rod 903 are in a vertical state, and the second left hanging rod 902 and the second right hanging rod 903 extend towards the lower part of the second upper cross beam 901. One end of the left pressure lever 12 is connected with the first left hanging lever 802 through a bolt 21, the bolt 21 is arranged on the first left hanging lever 802, and the bolt 21 is inserted into a pin hole arranged at the end of the left pressure lever 12; the other end of the left pressure lever 12 is connected with a second left hanging lever 902 through another bolt 21, the bolt 21 is arranged on the second left hanging lever 902 and the bolt 21 is inserted into a pin hole arranged at the end part of the left pressure lever 12, and the two bolts 22 make the left pressure lever 12 and the first and second crosspiece frames 8 and 9 relatively fixed; one end of the right pressing rod 13 is connected with the second left hanging rod 902 through a bolt 21, the bolt 21 is arranged on the second left hanging rod 902, and the bolt 21 is inserted into a pin hole arranged at the end of the right pressing rod 13; the other end of the right pressing rod 13 is connected with the second right hanging rod 903 through another bolt 21, the bolt 21 is arranged on the second right hanging rod 903, the bolt 21 is inserted into a pin hole arranged at the end part of the right pressing rod 13, and the two bolts 22 enable the right pressing rod 13 to be relatively fixed with the first transverse blocking frame 8 and the second transverse blocking frame 9.

When the pressing device needs to be switched from an assembling state to a disassembling state, the plug pins 21 are firstly pulled out from pin holes at two ends of the right pressing rod 13, the right pressing rod 13 is detached from the first transverse blocking frame 8 and the second transverse blocking frame 9, the plug pins 21 are then pulled out from pin holes at two ends of the left pressing rod 12, the left pressing rod 12 is detached from the first transverse blocking frame 8 and the second transverse blocking frame 9, the plug pins 22 are then pulled out from pin holes at two ends of the first upper cross beam 801, the first transverse blocking frame 8 is detached from the left door frame 2 and the right door frame 3, the plug pins 22 are finally pulled out from pin holes at two ends of the second upper cross beam 901, the second transverse blocking frame 9 is detached from the left door frame 2 and the right door frame 3, and the disassembling of the pressing device is completed. The pressing device is simple in structure, convenient to disassemble and assemble and high in efficiency.

As shown in fig. 1 to 3 and fig. 23 to 25, the rack body has a first receiving groove for receiving the first upper beam 801, a second receiving groove for receiving the second upper beam 901, and a third receiving groove for receiving the left pressing rod 12 and the right pressing rod 13, when the pressing device is in a disassembled state, the left pressing rod 12 and the right pressing rod 13 are placed in the third receiving groove, the first upper beam 801 is placed in the first receiving groove, and the second upper beam 901 is placed in the second receiving groove. The first containing groove is located between the second left corner wrapping plate 5 and the second right corner wrapping plate 7, the second containing groove is located between the first left corner wrapping plate 4 and the first right corner wrapping plate 6, and the third containing groove is located between the first left corner wrapping plate 4 and the second left corner wrapping plate 5. The first containing groove has a certain length, the length direction of the first containing groove is parallel to the second direction, the first containing groove is arranged on the chassis 1, the first containing groove is used for containing the first upper cross beam 801, after the first cross blocking frame 8 is detached from the left door frame 2 and the right door frame 3, the first cross blocking frame 8 is turned over for 180 degrees, then the first cross blocking frame 8 is inserted into the first containing groove, the first upper cross beam 801 is placed into the first containing groove, and the first left hanging rod 802 and the first right hanging rod 803 extend towards the upper side of the first upper cross beam 801 along the vertical direction. The second accommodating groove has a certain length, the length direction of the second accommodating groove is parallel to the second direction, the second accommodating groove is formed in the chassis 1, the second accommodating groove is used for accommodating a second upper cross beam 901, after the second cross frame 9 is detached from the left door frame 2 and the right door frame 3, the second cross frame 9 is turned over by 180 degrees, then the second cross frame 9 is inserted into the second accommodating groove, the second upper cross beam 901 is placed into the second accommodating groove, the second left hanging rod 902 and the second right hanging rod 903 extend towards the upper side of the second upper cross beam 901 along the vertical direction, and the second upper cross beam 901 and the first upper cross beam 801 are still in a parallel state. The third containing groove has certain length, the length direction of the third containing groove is parallel to the first direction, the third containing groove is arranged on the chassis 1, the third containing groove is used for containing a left pressure lever 12 and a right pressure lever 13, after the left pressure lever 12 and the right pressure lever 13 are disassembled from the first transverse baffle frame 8 and the second transverse baffle frame 9, the right pressure lever 13 is placed into the third containing groove, then the left pressure lever 12 is placed into the third containing groove, the left pressure lever 12 is pressed on the right pressure lever 13, and the left pressure lever 12 and the right pressure lever 13 are in a state parallel to the first direction. After the pressing device is disassembled, the left door turning plate 18 is switched to the turning-up position through the positioning device, the left door frame 2 is switched to the turning-over position through the supporting position, the right supporting piece 10 is switched to the turning-over position through the positioning position, and finally the right door frame 3 is switched to the turning-over position through the supporting position, so that the folding of the material frame is completed.

As shown in fig. 26, the folded material rack has small overall height and small occupied space, and a plurality of folded material racks can be stacked in the vertical direction, so that the space is greatly utilized, and the transportation cost is saved.

The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.

Claims

1. Vice muffler assembly work or material rest of car, its characterized in that: the device comprises a material rack body which is arranged to be capable of being switched between a folding state and an unfolding state, a lower layer positioning device which is arranged on the material rack body and is used for positioning a secondary silencer assembly, an upper layer positioning device which is used for positioning the secondary silencer assembly and is arranged to be capable of being switched between the folding state and the unfolding state, and a pressing device which is arranged to be capable of being switched between an assembling state and a disassembling state, wherein the pressing device is detachably connected with the material rack body; the pressing device in an assembled state is used for limiting the automobile auxiliary silencer assembly above the automobile auxiliary silencer assembly and preventing the automobile auxiliary silencer assembly from jumping in the vertical direction;

the pressing device comprises a first transverse blocking frame, a second transverse blocking frame, a left pressing rod and a right pressing rod which are detachably connected with the first transverse blocking frame and the second transverse blocking frame, the left door frame and the right door frame are arranged to be capable of being switched between a supporting position and a turnover position, and the left door frame and the right door frame which are at the supporting position are detachably connected with the pressing device which is in an assembling state; when the pressing device is in an assembling state, the first transverse blocking frame and the second transverse blocking frame are oppositely arranged, the left door frame, the left pressure rod, the right pressure rod and the right door frame are sequentially arranged along a second direction, the first transverse blocking frame comprises a first upper cross beam, a first left hanging rod and a first right hanging rod which are arranged on the first upper cross beam, the second transverse blocking frame comprises a second upper cross beam, a second left hanging rod and a second right hanging rod which are arranged on the second upper cross beam, and the length directions of the first upper cross beam and the second upper cross beam are parallel to the second direction; the left pressure lever is detachably connected with the first left hanging rod and the second left hanging rod, and the right pressure lever is detachably connected with the first right hanging rod and the second right hanging rod;

2. The automotive sub-muffler assembly stack of claim 1, wherein: the material rack body comprises a chassis, and a first left wrapping angle plate, a second left wrapping angle plate, a first right wrapping angle plate and a second right wrapping angle plate which are vertically arranged on the chassis, wherein the first left wrapping angle plate, the second left wrapping angle plate, the first right wrapping angle plate and the second right wrapping angle plate are respectively positioned on the same straight line parallel to the first direction, the first left wrapping angle plate, the first right wrapping angle plate, the second left wrapping angle plate and the second right wrapping angle plate are respectively positioned on the same straight line parallel to the second direction, the first direction and the second direction are both horizontal directions, and the first direction and the second direction are perpendicular to each other.

3. The automotive sub-muffler assembly stack of claim 2, wherein: the rack body further comprises a left door frame arranged on the first left corner wrapping plate and the second left corner wrapping plate and a right door frame arranged on the first right corner wrapping plate and the second right corner wrapping plate and arranged opposite to the left door frame.

4. The automotive sub-muffler assembly stack of claim 3, wherein: the left door frame comprises a first left upright post inserted in the first left corner wrapping plate and a second left upright post inserted in the second left corner wrapping plate, the first left upright post and the second left upright post are parallel, the first left upright post is connected with the first left corner wrapping plate through a first left pin shaft, and the second left upright post is connected with the second left corner wrapping plate through a second left pin shaft; the right portal comprises a first right upright post inserted in the first right corner wrapping plate and a second right upright post inserted in the second right corner wrapping plate, the first right upright post and the second right upright post are parallel, the first right upright post is connected with the first right corner wrapping plate through a first right pin shaft, and the second right upright post is connected with the second right corner wrapping plate through a second right pin shaft.

5. The automotive sub-muffler assembly stack of claim 3, wherein: the lower layer positioning device comprises a first positioning block, a second positioning block and a third positioning block which are sequentially arranged along a second direction; when left side portal and right portal are in the upset position, the second locating piece provides the supporting role to left portal, and the third locating piece provides the supporting role to the upper positioner who is in fold condition, and the upper positioner who is in fold condition provides the supporting role to right portal.

6. The automotive sub-muffler assembly holder as set forth in any one of claims 3 to 5, wherein: the upper layer positioning device comprises a left door turning plate which is rotatably arranged on the left door frame and can be switched between a positioning position and a turning position, a positioning seat arranged on the material frame body and a right supporting piece which is arranged on the positioning seat and can be switched between the positioning position and the turning position, the right supporting piece is connected with the positioning seat through a third right pin shaft, the lower layer positioning device provides a supporting effect for the right supporting piece at the turning position, and the right supporting piece at the turning position provides a supporting effect for the right door frame at the turning position.

7. The automotive sub-muffler assembly stack of claim 6, wherein: the right supporting piece comprises a right supporting upright post and an upper positioning block, the right supporting upright post is inserted into the positioning seat and connected with the positioning seat through a third right pin shaft, the upper positioning block is arranged on the right supporting upright post, the two positioning seats are arranged on the same straight line parallel to the first direction, and the right supporting upright post is also provided with two right supporting upright posts which are respectively inserted into one positioning seat.

8. The automotive sub-muffler assembly stack of claim 7, wherein: the first containing groove is located between the second left corner wrapping plate and the second right corner wrapping plate, the second containing groove is located between the first left corner wrapping plate and the first right corner wrapping plate, and the third containing groove is located between the first left corner wrapping plate and the second left corner wrapping plate.

9. The automotive sub-muffler assembly stack of claim 7, wherein: one end of the first transverse blocking frame is connected with the left door frame through a bolt, the other end of the first transverse blocking frame is connected with the right door frame through another bolt, two ends of the first transverse blocking frame are respectively provided with a pin hole into which the bolt is inserted, the bolt is of an L-shaped structure, and the axis of the pin hole is parallel to the first direction; one end of the second transverse blocking frame is connected with the left door frame through a bolt, the other end of the second transverse blocking frame is connected with the right door frame through another bolt, two ends of the second transverse blocking frame are respectively provided with a pin hole for inserting the bolt, and the axis of the pin hole is parallel to the first direction.

10. The automotive sub-muffler assembly stack of claim 7, wherein: one end of the left pressure lever is connected with the first transverse baffle frame through a bolt, the other end of the left pressure lever is connected with the second transverse baffle frame through another bolt, two ends of the left pressure lever are respectively provided with a pin hole for inserting the bolt, the axis of the bolt is parallel to the second direction, the bolt is a drawing pin capable of drawing along the second direction, and the two bolts are arranged on the first transverse baffle frame and the second transverse baffle frame;

the one end of right side depression bar is connected through a bolt and first crosspiece frame, and the other end of right side depression bar is connected through another bolt and second crosspiece frame, and the both ends of right side depression bar have one respectively and let bolt male pinhole, and the axis and the second direction of this bolt parallel, and the bolt is for can following the second direction and carry out the round pin of drawing of pull, and two bolts are installed on first crosspiece frame and second crosspiece frame.