CN113732974B

CN113732974B - Load dolly preparation frock

Info

Publication number: CN113732974B
Application number: CN202110942798.1A
Authority: CN
Inventors: 王俊杰; 谭彪; 明良政; 姚刚; 彭磊
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Zoomlion Construction Crane Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Zoomlion Construction Crane Co Ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2023-01-31
Anticipated expiration: 2041-08-17
Also published as: CN113732974A

Abstract

The invention relates to load-carrying trolley production equipment and discloses a load-carrying trolley manufacturing tool.A corner of a positioning platform is provided with an upright positioning component for positioning an upright (91) of a load-carrying trolley (9) and a side roller seat positioning component (5) for positioning a side roller seat (93) on the upright, and the upright positioning component comprises an upright verticality positioning component (1) and an upright fixing component (6); an angle steel positioning component (4) for positioning angle steel (94) between the stand columns is arranged between two adjacent stand column positioning components, or a cross beam positioning component (7) for positioning a cross beam (92) between the stand columns and an ear plate positioning component (8) for positioning a cross beam ear plate (921) are arranged between the two adjacent stand column positioning components; the middle part of the positioning platform is provided with a longitudinal beam positioning component (3) for positioning a longitudinal beam (95) between the cross beams (92). The invention can integrate a plurality of processes, ensure the relative position and the size of each part to be accurate, improve the space utilization rate and have high production efficiency.

Description

Load dolly preparation frock

Technical Field

The invention relates to load-carrying trolley production equipment, in particular to a load-carrying trolley manufacturing tool.

Background

Tower cranes, i.e. tower cranes, are common hoisting equipment in construction sites and are mainly used for vertical and horizontal transportation of materials in the construction of house buildings. The load-carrying trolley is one part of the tower crane, is arranged on a crane boom, can reciprocate along the crane boom and is used for hauling heavy objects.

Fig. 1 to 3 are structural diagrams of a conventional load-carrying trolley manufacturing tool, a cross beam and a longitudinal beam of the load-carrying trolley are placed on the tool in a surface positioning mode, a stand column is fixed by a pin shaft, the verticality of the stand column is guaranteed by an angle square, and the side roller seat, a riding wheel lug plate and the like of the load-carrying trolley are arranged on the next process.

The existing load trolley manufacturing tool has the following defects:

(1) The longitudinal beam is positioned by the lower plane of the longitudinal beam in a lap mode, so that errors are easily caused in the positioning of the longitudinal beam;

(2) The verticality of the upright post is ensured by an angle square, human factors exist, and the upright post is easy to deflect during positioning;

(3) The production efficiency is low, and a plurality of processes are needed;

(4) Space utilization is not high, and more spaces need to be occupied to multichannel process to each part relative position size can't be guaranteed to multichannel process, the product quality problem appears easily.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a load-carrying trolley manufacturing tool, which can integrate a plurality of processes, ensure the relative position and size of each part to be accurate, improve the space utilization rate and have high production efficiency.

In order to solve the technical problem, the invention provides a load-carrying trolley manufacturing tool, wherein a corner of a positioning platform is respectively provided with an upright positioning assembly for positioning an upright of a load-carrying trolley and a side roller seat positioning assembly for positioning a side roller seat on the upright, and the upright positioning assembly comprises an upright verticality positioning assembly and an upright fixing assembly; an angle steel positioning component for positioning angle steel between the stand columns is arranged between two adjacent stand column positioning components, or a cross beam positioning component for positioning a cross beam between the stand columns and an ear plate positioning component for positioning an ear plate of the cross beam are arranged between the two adjacent stand column positioning components; the middle part of positioning platform is equipped with and is used for right longeron between the crossbeam carries out the longeron locating component who fixes a position be used for right side gyro wheel seat locating component that the side gyro wheel seat on the stand advances line location and be used for right the otic placode locating component that the crossbeam otic placode advances line location, stand locating component includes that the stand hangs down straightness locating component and stand fixed subassembly.

Preferably, the stand straightness locating component that hangs down includes stand location supporting seat, adjustable fender and spacing axle, stand location supporting seat is installed locating platform is last, adjustable fender rotates to be connected stand location supporting seat top, spacing axle is installed adjustable fender is last, adjustable fender can rotate to extreme position, so that stand upper portion supports and leans on spacing epaxial lateral wall.

Preferably, the stand column fixing component comprises a positioning block arranged on the positioning platform, stand column positioning pin holes are formed in the positioning block and the stand column, and the positioning block and the stand column are fixedly connected by inserting threaded pin shafts into the stand column positioning pin holes.

Preferably, one end of the threaded pin shaft is provided with a limiting head, the other end of the threaded pin shaft is provided with a threaded head, and a nut is arranged on the threaded head.

Preferably, the positioning block is provided with a positioning hole, a wear-resistant sleeve is arranged in the positioning hole, the wear-resistant sleeve is provided with the upright post positioning pin hole, and one end of the wear-resistant sleeve is provided with a boss which is used for being in contact with the upright post.

Preferably, the upper end of the positioning block is provided with a limiting plate for positioning the lower end face of the rib plate of the load-carrying trolley.

Preferably, angle steel locating component includes angle steel location supporting seat, base plate and backup pad, angle steel location supporting seat installs locating platform is last, be fixed with the base plate that sets up along the horizontal direction on the angle steel location supporting seat, the backup pad is fixed along the horizontal direction is rotatable the base plate upper end.

Preferably, the longitudinal beam positioning assembly comprises a longitudinal beam positioning support seat installed on the positioning platform, a longitudinal beam positioning pin hole is formed in the longitudinal beam, a longitudinal beam positioning pin shaft is arranged in the longitudinal beam positioning pin hole, and an arc-shaped groove used for enabling the longitudinal beam positioning pin shaft to be placed in the radial direction is formed in the longitudinal beam positioning support seat.

Preferably, the side roller seat positioning assembly comprises a fixing seat and a positioning plate, the fixing seat is installed on the positioning platform, one end of the positioning plate is detachably fixed on the fixing seat, the other end of the positioning plate and the side roller seat are respectively provided with a side roller seat positioning pin hole, and the positioning plate and the side roller seat are fixedly connected through a side roller seat positioning pin shaft inserted into the side roller seat positioning pin hole.

Preferably, otic placode locating component is including installing location otic placode on the locating platform, the location otic placode with all be equipped with otic placode location pinhole on the crossbeam otic placode, the location otic placode with the crossbeam otic placode is through insert otic placode locating pin axle fixed connection in the otic placode locating pin hole.

According to the invention, the positioning assemblies of all parts of the load-carrying trolley are integrated on one tool, so that multiple processing procedures are integrated, the relative position and size of each part of the load-carrying trolley can be ensured to be accurate, the risks of misoperation and the like of workers are reduced, the production quality of the load-carrying trolley can be ensured, the stability of a product is improved, the space utilization rate can be improved, the transfer times are reduced, the use frequency of travelling cranes is reduced, the production efficiency is improved, and meanwhile, the labor cost is also saved.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a front view of a conventional load-carrying trolley manufacturing tool;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a view from the direction A of FIG. 2;

FIG. 4 is a front view of one embodiment of the present invention;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a view from the direction B of FIG. 5;

FIG. 7 is a view from the direction C of FIG. 5;

FIG. 8 is a schematic view of a connection structure between a load trolley manufacturing tool and a load trolley according to an embodiment of the present invention;

FIG. 9 is a top view of FIG. 8;

FIG. 10 is an enlarged view of the structure of FIG. 9 at D;

FIG. 11 is a schematic structural view of a column verticality positioning assembly according to an embodiment of the present invention;

FIG. 12 is a top view of FIG. 11;

FIG. 13 is a schematic structural view of a column securing assembly in accordance with one embodiment of the present invention;

FIG. 14 is an enlarged view of E in FIG. 13;

FIG. 15 is a schematic structural view of an angle positioning assembly according to an embodiment of the present invention;

FIG. 16 is a top view of FIG. 15;

FIG. 17 is a front view of a rail positioning assembly in accordance with an embodiment of the present invention;

FIG. 18 is a side view of a rail positioning assembly in accordance with an embodiment of the present invention;

FIG. 19 is a schematic view of a side roller housing positioning assembly according to an embodiment of the present invention.

Description of the reference numerals

1 stand straightness locating component 11 stands of straightness supporting seat that hangs down

12 movable baffle 13 limit shaft

14 mounting lug plate 15 rotating pin shaft

2 limiting plate 3 longeron locating component

31 longeron location round pin axle 32 longeron location supporting seat

4 angle steel positioning component 41 angle steel positioning support seat

42 base plate 43 support plate

44 bolt 5 side roller seat positioning assembly

51 fixed seat 511 fixed plate

52 positioning plate 53 side roller seat positioning pin shaft

6 fixed subassembly 61 locating piece of stand

62 screw thread round pin 621 spacing head

622 thread head 63 wear-resistant sleeve

7 8 otic placodes locating component of crossbeam locating component

9 load trolley 91 upright post

911 roller sleeve 92 crossbeam

921 crossbeam otic placode 93 side gyro wheel seat

94 angle steel 95 longitudinal beam

96 gusset plate

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The invention provides a load-carrying trolley manufacturing tool, as shown in fig. 8 and 9, the load-carrying trolley manufacturing tool of the basic embodiment of the invention comprises a positioning platform, wherein an upright positioning component for positioning an upright 91 of a load-carrying trolley 9 and a side roller seat positioning component 5 for positioning a side roller seat 93 on the upright 91 are arranged at the corner of the positioning platform, wherein the upright positioning component comprises an upright verticality positioning component 1 and an upright fixing component 6; an angle steel positioning component 4 for positioning angle steel 94 between the stand columns 91 is arranged between two adjacent stand column positioning components, or a cross beam positioning component 7 for positioning a cross beam 92 between the stand columns 91 and an ear plate positioning component 8 for positioning a cross beam ear plate 921 are arranged between the two adjacent stand column positioning components; the middle part of the positioning platform is used for positioning the longitudinal beam positioning component 3 of the longitudinal beam 95 between the cross beams 92, and it can be understood that the specific arrangement form of the positioning component can be adjusted according to the structure of the load trolley 9 and the arrangement form given on the positioning platform, so that the corresponding positioning component can correspond to the component on the corresponding load trolley.

In the basic embodiment, the positioning assemblies of the parts of the load-bearing trolley 9 are integrated on one tool, so that a plurality of machining processes are integrated, the relative position and the size of the parts of the load-bearing trolley 9 can be ensured to be accurate, the risks of misoperation of workers and the like are reduced, the production quality of the load-bearing trolley 9 can be ensured, the stability of products is improved, the space utilization rate can be improved, the transfer times are reduced, the use frequency of travelling is reduced, the production efficiency is improved by 25%, and meanwhile, the labor cost is also saved.

In order to facilitate understanding of the load trolley manufacturing tool of the above basic embodiment of the present invention, the following description is further made with reference to specific structures.

Specifically, as shown in fig. 4 to 7, 11 and 12, the column verticality positioning assembly 1 includes a column positioning support seat 11, a movable baffle 12 and a limiting shaft 13, the column positioning support seat 11 is installed on the positioning platform, the movable baffle 12 is rotatably connected to the top of the column positioning support seat 11, the limiting shaft 13 is installed on the movable baffle 12, and the movable baffle 12 can rotate to a limit position, so that the upper portion of the column 91 abuts against the side wall of the limiting shaft 13. Wherein, the top of stand location supporting seat 11 is fixed with installation otic placode 14, and installation otic placode 14 is gone up and adjustable fender 12 one end all is equipped with the pinhole, is equipped with rotation round pin axle 15 in the pinhole, and adjustable fender 12 rotates through rotation round pin axle 15 and connects on installation otic placode 14, and spacing axle 13 is along the direction fixed mounting who rotates round pin axle 15 parallel on adjustable fender 12. The number of the mounting lug plates 14 is two, the movable baffle plate 12 is rotatably connected between the two mounting lug plates 14, and a limiting structure for limiting the downward rotation of the movable baffle plate 12 can be arranged between the two mounting lug plates 14, so that the movable baffle plate 12 cannot rotate continuously downward when rotating to the horizontal direction, and the position is the limiting position of the movable baffle plate 12, and certainly, the position does not need to be provided with a limiting structure, and the rotation of the movable baffle plate 12 can also be limited through the upright positioning support seat 11. When fixing a position stand 91, place the back on the frock with the stand 91 of load dolly 9, with adjustable fender 12 to the orientation that is close to stand 91 rotation to extreme position downwards, make stand 91 upper portion can support and lean on spacing axle 13 lateral wall, just so can easily guarantee the straightness that hangs down of stand 91, compare in original straightness that hangs down of guaranteeing stand 91 through the angle square, can reduce the human factor through stand straightness locating component 1 that hangs down for the straightness's that hangs down of stand 91 location is more accurate. After the rivet welding of the load-carrying trolley 9 is completed, the movable stop 12 is lifted upwards, and the load-carrying trolley 9 can be smoothly separated from the tool. Of course, the flapper 12 could also be pivotally attached to the mounting ears 14 by bolts that are loosened when pivoting is desired. In addition, because the number of the columns 91 of the load-carrying trolley 9 is four, four column verticality positioning assemblies 1 need to be arranged, and the four column verticality positioning assemblies 1 are respectively arranged at four corners of the positioning platform.

Specifically, as shown in fig. 4 to 7, 13 and 14, the column fixing assembly 6 includes a positioning block 61 installed on the positioning platform, the positioning block 61 and the column 91 are both provided with column positioning pin holes, and the positioning block 61 and the column 91 are fixedly connected by inserting a threaded pin 62 into the column positioning pin holes. Similarly, the number of the columns 91 of the load-carrying trolley 9 is four, the number of the column fixing assemblies 6 is also four, and each column fixing assembly 6 is respectively arranged at the position near each corresponding column verticality positioning assembly 1, so that each column fixing assembly 6 is matched with each corresponding column verticality positioning assembly 1 to jointly position the column 9. The upright post fixing component 6 connects the upright posts 91 with the positioning blocks 61 through the threaded pin shafts 62, and can ensure that hole center lines of the four upright posts 91 are on the same horizontal plane, so that the flatness of the idler wheels of the load-carrying trolley 9 can be ensured. One end of the threaded pin 62 is provided with a limiting head 621, the other end is provided with a threaded head 622, and the threaded head 622 is provided with a nut. After the threaded pin shaft 62 is inserted into the column positioning pin hole, the threaded pin shaft 62 is screwed on the threaded head 622 of the threaded pin shaft 62 through a nut, so that the column 91 can be tightly fixed on a tool, and the positioning accuracy of the column 91 can be further improved.

In this embodiment, as shown in fig. 14, it is preferable that a positioning hole is formed in the positioning block 61, a wear-resistant sleeve 63 is disposed in the positioning hole, a column positioning pin hole is formed in the wear-resistant sleeve 63, a boss for contacting the column 91 is disposed at one end of the wear-resistant sleeve 63, a roller sleeve 911 is disposed in the pin hole of the column 91, and the boss disposed at one end of the wear-resistant sleeve 63 actually contacts one end of the roller sleeve 911. Due to the arrangement of the wear-resistant sleeve 63, on one hand, the demoulding mode of the load-carrying trolley 9 is an upward demoulding mode, if the positioning block 61 is directly contacted with the upright post 91, the wear of the positioning block 61 can be caused after long-term use, so that the boss arranged at one end of the wear-resistant sleeve 63 is contacted with the upright post 91 through the arrangement of the wear-resistant sleeve 63, the wear of the positioning block 61 can be reduced, and the later maintenance is facilitated; on the other hand, because when fixing a position or demolising at every turn, all need to beat the round pin axle into the pinhole or extract from the pinhole, thereby can make the pinhole on the locating piece 61 produce wearing and tearing, need to change whole stand fixed component 6 or even whole frock when changing, thereby the expense that the frock was maintained has been increased, through setting up wear-resisting cover 63, set up the pinhole on wear-resisting cover 63, after the pinhole wearing and tearing, only need to change wear-resisting cover 63 can, the expense that the frock that can significantly reduce was maintained, reduction in production cost.

As shown in fig. 4 to 9 and 13, a stopper plate 2 for positioning the lower end surface of the rib plate 96 of the load trolley 9 is provided at the upper end of the positioning block 61. The rib plates 96 of the load-carrying trolley 9 are arranged between the upright column 91 and the cross beam 92, as shown in fig. 10, the number of the rib plates 96 is two, steps are respectively arranged on two sides of the upper end surface of the limiting plate 2, when positioning is carried out, the lower end surfaces of the two rib plates 96 are respectively and correspondingly placed on the step surfaces of the two steps, and the side surfaces of the two rib plates 96 are made to be close to the step side surfaces of the two corresponding steps, so that the height of the rib plates 96 can be positioned, the distance between the two rib plates 96 can be positioned, and the positioning is more accurate. Of course, two grooves matching with the rib plates 96 may be provided on the upper end surface of the limit plate 2, so that the lower end surfaces of the two rib plates 96 are respectively and correspondingly placed on the inner bottom walls of the two grooves, and the lower end surfaces of the rib plates 96 can also be positioned.

Specifically, as shown in fig. 4, 5, 8, 9, 15 and 16, the angle steel positioning assembly 4 includes an angle steel positioning support 41, a base plate 42 and a support plate 43, the angle steel positioning support 41 is mounted on the positioning platform, the base plate 42 arranged along the horizontal direction is fixed on the angle steel positioning support 41, and the support plate 43 is rotatably fixed at the upper end of the base plate 42 along the horizontal direction. Wherein, the supporting plate 43 is rotatably fixed on the upper end of the base plate 42 by a bolt 44. When the angle iron 94 is positioned, the support plate 43 is rotated to a direction in which the length direction thereof is perpendicular to the length direction of the angle iron 94, then the bolt 44 is tightened, and finally the angle iron 94 is placed on the support plate 43; when the load trolley 9 is demoulded, the bolt 44 is loosened, and the support plate 43 is rotated to the direction parallel to the length direction of the angle steel 94, so that the positioning operation is convenient, and the smooth demoulding of the load trolley 9 is convenient. Of course, the supporting plate 43 can be rotatably fixed on the upper end of the base plate 42 by other structures as long as the supporting plate 43 and the base plate 42 can be rotated and fixed relatively, for example, the supporting plate 43 is rotatably connected with the base plate 42 by a rotating shaft and then fixedly connected near the rotating shaft by a bolt. In addition, because the angle steel 94 is long, at least two angle steel positioning assemblies 4 need to be arranged at intervals along the length direction of the angle steel 94; further, since two angle steels 94 are usually provided between the two columns 91, and the two angle steels 94 are provided in parallel in the height direction of the columns 91, in order to facilitate positioning of the two angle steels 94, the base plate 42 and the support plate 43 need to be provided at two height positions corresponding to the angle steels 94 on the angle steel positioning support 41 of one angle steel positioning unit 4.

Specifically, as shown in fig. 4 to 9, 17 and 18, the longitudinal beam positioning assembly 3 includes a longitudinal beam positioning support seat 32 installed on the positioning platform, a longitudinal beam positioning pin hole is formed in the longitudinal beam 95, a longitudinal beam positioning pin 31 is arranged in the longitudinal beam positioning pin hole, and an arc-shaped groove for allowing the longitudinal beam positioning pin 31 to be radially placed in is formed in the longitudinal beam positioning support seat 32. Wherein, the number of the longitudinal beam positioning support seats 32 is two. Because longeron 95 surface unevenness, if can make pulley hole central line and frock surface nonparallel with longeron 95 surface location, fix a position through the round pin axle for fix a position more accurately. In addition, because the frock round pin axle is too heavy, hole axle fit clearance is little, if also set up the pinhole on longeron location support seat 32, can make the assembly difficulty, through setting up the arc wall location, only need insert longeron location round pin axle 31 in the pinhole of longeron 95, then place longeron location round pin axle 31 between two longeron location support seats 32 from top to bottom, make longeron location round pin axle 31 along radially putting into the arc wall of two longeron location support seats 32, can reduce the assemble duration, make the assembly easier, thereby work efficiency is improved. The arc-shaped groove is preferably a semicircular groove, so that the positioning effect is better. The number of the longitudinal beam positioning assemblies 3 is at least two, and the at least two longitudinal beam positioning assemblies 3 are arranged at intervals along the length direction of the longitudinal beam 95, so that different positions of the longitudinal beam 95 in the length direction are conveniently positioned, and the positioning accuracy of the longitudinal beam 95 is ensured.

In order to ensure the relative position relationship between the upper rollers and the rollers of the four columns 91, a side roller seat positioning assembly 5 is arranged beside each column fixing assembly 6. Specifically, as shown in fig. 4 to 9 and 19, the side roller seat positioning assembly 5 includes a fixing seat 51 and a positioning plate 52, the fixing seat 51 is installed on the positioning platform, one end of the positioning plate 52 is detachably fixed on the fixing seat 51, the other end of the positioning plate 52 and the side roller seat 93 are both provided with side roller seat positioning pin holes, and the positioning plate 52 and the side roller seat 93 are fixedly connected by inserting a side roller seat positioning pin shaft 53 into the side roller seat positioning pin hole. Wherein, be equipped with fixed plate 511 on the fixing base 51, on the fixed plate 511 and locating plate 52 one end all be equipped with the pinhole, fix locating plate 52 on fixing base 51 through the round pin axle, the quantity of round pin axle can be two, certainly also can fix locating plate 52 on fixing base 51 through the bolt.

Specifically, as shown in fig. 5 to 7 and 9, the ear plate positioning assembly 8 includes two positioning ear plates installed on the positioning platform, two positioning ear plates and the beam ear plate 921 are all provided with ear plate positioning pin holes, the positioning ear plates and the beam ear plate 921 are fixedly connected by inserting ear plate positioning pin shafts into the ear plate positioning pin holes. Wherein, a plurality of beam ear plates 921 are arranged on the beam 92, and the number of the ear plate positioning components 8 is corresponding to the number of the beam ear plates 921.

Specifically, as shown in fig. 4 to 9, the beam positioning assembly 7 includes a beam support plate having a recess at an upper end thereof for receiving the beam 92. The number of the beam positioning assemblies 7 is at least two, and the at least two beam positioning assemblies 7 are arranged at intervals along the length direction of the beam 92, so that different positions of the beam 92 in the length direction can be conveniently positioned, and the positioning accuracy of the beam 92 is ensured.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. The load-carrying trolley manufacturing tool is characterized by comprising a positioning platform, wherein an upright positioning assembly for positioning an upright (91) of a load-carrying trolley (9) and a side roller seat positioning assembly (5) for positioning a side roller seat (93) on the upright (91) are arranged at the corner of the positioning platform, and the upright positioning assembly comprises an upright verticality positioning assembly (1) and an upright fixing assembly (6); an angle steel positioning component (4) used for positioning angle steel (94) between the stand columns (91) is arranged between two adjacent stand column positioning components, or a cross beam positioning component (7) used for positioning a cross beam (92) between the stand columns (91) and an ear plate positioning component (8) used for positioning a cross beam ear plate (921) on the cross beam (92) are arranged; a longitudinal beam positioning assembly (3) for positioning a longitudinal beam (95) between the cross beams (92) is arranged in the middle of the positioning platform; stand straightness locating component that hangs down (1) includes stand location supporting seat (11), adjustable fender (12) and spacing axle (13), install stand location supporting seat (11) on the locating platform, adjustable fender (12) rotate to be connected stand location supporting seat (11) top, spacing axle (13) are installed adjustable fender (12) are last, adjustable fender (12) can rotate to extreme position, so that stand (91) upper portion supports and leans on spacing axle (13) lateral wall.

2. The tooling for manufacturing the load-carrying trolley according to claim 1, wherein the column fixing component (6) comprises a positioning block (61) installed on the positioning platform, column positioning pin holes are formed in the positioning block (61) and the column (91), and the positioning block (61) and the column (91) are fixedly connected by inserting a threaded pin shaft (62) into the column positioning pin hole.

3. The tooling for manufacturing the load-carrying trolley according to claim 2, wherein one end of the threaded pin shaft (62) is provided with a limiting head (621), the other end of the threaded pin shaft is provided with a threaded head (622), and a nut is arranged on the threaded head (622).

4. The tooling for manufacturing the load-carrying trolley according to claim 2, wherein a positioning hole is formed in the positioning block (61), a wear-resistant sleeve (63) is arranged in the positioning hole, the wear-resistant sleeve (63) is provided with the upright positioning pin hole, and one end of the wear-resistant sleeve (63) is provided with a boss which is used for being in contact with the upright (91).

5. The load trolley manufacturing tool according to claim 2, wherein a limiting plate (2) used for positioning the lower end face of a rib plate (96) of the load trolley (9) is arranged at the upper end of the positioning block (61).

6. The tooling for manufacturing the load-carrying trolley according to claim 1, wherein the angle steel positioning component (4) comprises an angle steel positioning support seat (41), a base plate (42) and a support plate (43), the angle steel positioning support seat (41) is installed on the positioning platform, the base plate (42) arranged along the horizontal direction is fixed on the angle steel positioning support seat (41), and the support plate (43) is fixed at the upper end of the base plate (42) in a rotatable manner along the horizontal direction.

7. The tooling for manufacturing the load-carrying trolley according to claim 1, wherein the longitudinal beam positioning component (3) comprises a longitudinal beam positioning support seat (32) installed on the positioning platform, a longitudinal beam positioning pin hole is formed in the longitudinal beam (95), a longitudinal beam positioning pin shaft (31) is arranged in the longitudinal beam positioning pin hole, and an arc-shaped groove for allowing the longitudinal beam positioning pin shaft (31) to be radially placed in is formed in the longitudinal beam positioning support seat (32).

8. The tooling for manufacturing the load-carrying trolley according to claim 1, wherein the side roller seat positioning assembly (5) comprises a fixed seat (51) and a positioning plate (52), the fixed seat (51) is installed on the positioning platform, one end of the positioning plate (52) is detachably fixed on the fixed seat (51), the other end of the positioning plate and the side roller seat (93) are respectively provided with a side roller seat positioning pin hole, and the positioning plate (52) and the side roller seat (93) are fixedly connected by inserting a side roller seat positioning pin shaft (53) into the side roller seat positioning pin hole.

9. The tooling for manufacturing the load-carrying trolley as claimed in claim 1, wherein the ear plate positioning component (8) comprises a positioning ear plate installed on the positioning platform, the positioning ear plate and the beam ear plate (921) are both provided with ear plate positioning pin holes, and the positioning ear plate and the beam ear plate (921) are fixedly connected by inserting ear plate positioning pin shafts into the ear plate positioning pin holes.