Inner door frame assembling tool

Abstract

The utility model discloses an inner door frame assembling tool which comprises an assembling table used for placing an inner door frame. The end face positioning assembly is arranged on one side of the assembling table and comprises a mounting frame, a first end face positioning block and a second end face positioning block, the first end face positioning block is arranged on the mounting frame and used for making contact with the end face of an upper cross beam, and the second end face positioning block is arranged below the first end face positioning block and used for making contact with the end face of the upper cross beam. The end faces of the channel steel are in contact; the side face positioning assemblies extend in the length direction of the door frame, each side face positioning assembly comprises a body and a positioning assembly, the body is used for being fixedly connected with an assembly table, and the positioning assemblies are arranged on the two sides of the body respectively and used for being connected with the outer side of the door frame in an abutting mode respectively. Compared with the prior art, the inner door frame assembling tool is high in product compatibility, and assembling of inner door frames of different lengths can be achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of forklift mast production equipment, and more particularly to an inner mast assembly tool. BACKGROUND

[0002] The forklift is a mechanism for lifting goods, also known as a mast, and the forklift mainly comprises an inner mast, an outer mast, a fork frame, a fork, a chain wheel, a chain, a lifting cylinder and a tilting cylinder.

[0003] According to the lifting height requirement of the forked goods, the forklift mast can be made into two or more levels, and the common forklifts usually adopt two-level masts, which are composed of an inner mast and an outer mast. The fork and the fork frame suspended on the fork frame move up and down along the inner mast with the help of the fork frame rollers, driving the goods to rise or fall. The inner mast is driven to rise and fall by the lifting cylinder and is also guided by the rollers.

[0004] In the prior art, when the inner mast is assembled, the inner side surface of the inner door of the inner mast is positioned by a limiting block. This positioning method has the following problems: on the one hand, the positioning product has poor precision, and on the other hand, the product has low compatibility. For long inner masts, assembly cannot be achieved, and the need for flexible production cannot be met.

[0005] Therefore, there is an urgent need for an inner mast assembly tool that has high positioning product precision, high product compatibility and can achieve assembly of inner masts of different lengths. CONTENT OF THE INVENTION

[0006] To solve the above technical problems, the present application provides an inner mast assembly tool that has high positioning product precision, high product compatibility and can achieve assembly of inner masts of different lengths.

[0007] The technical scheme provided by the present application is as follows:

[0008] An inner mast assembly tool comprises:

[0009] An assembly table for placing an inner mast;

[0010] An end face positioning assembly provided at one end of the assembly table, the end face positioning assembly comprising a mounting frame, a first end face positioning block and a second end face positioning block, the first end face positioning block being provided on the mounting frame to contact the end face of the upper cross beam, and the second end face positioning block being provided below the first end face positioning block to contact the end face of the channel steel;

[0011] At least two groups of side positioning assemblies are arranged at intervals along the inner portal, one group of the side positioning assemblies comprises a body fixedly connected with the assembling table and two positioning assemblies arranged at two sides of the body and respectively abutting against the outer sides of the two channel steels.

[0012] Preferably, the first end face positioning blocks are hingedly connected with the mounting rack, two first end face positioning blocks are arranged at intervals along the width direction of the inner portal.

[0013] Preferably, the second end face positioning blocks are fixedly connected with the mounting rack, two second end face positioning blocks are arranged at intervals along the width direction of the inner portal.

[0014] Preferably, the side positioning assembly further comprises:

[0015] A top rod arranged on the body, the top rods are arranged in pairs and abut against the inner sides of the channel steels.

[0016] Preferably, the side positioning assembly further comprises:

[0017] A clamping driving member arranged on the body, the telescopic end of the clamping driving member is connected with the top rods, and the clamping driving member is used to drive the two top rods to move close to or away from each other.

[0018] A first reversing valve connected with the clamping driving member, the first reversing valve is used to control the clamping driving member to drive the two top rods to extend or retract.

[0019] Preferably, the positioning assembly comprises:

[0020] A slewing frame rotatably connected with the body;

[0021] A positioning mechanism arranged on the slewing frame, the positioning mechanism is arranged in at least two groups and uniformly arranged at intervals along the circumferential direction of the slewing frame, the positioning mechanism comprises a positioning head used to contact the outer side of the channel steel, and there is a distance difference between the distances between the positioning heads on adjacent positioning mechanisms and the axis of the slewing frame.

[0022] Preferably, the positioning mechanism comprises:

[0023] A mounting seat fixedly connected with the slewing frame, the mounting seat is provided with a first mounting hole, and the first mounting hole is arranged in at least two groups;

[0024] A positioning member detachably connected with the mounting seat, the positioning member is provided with a second mounting hole matched with the first mounting hole, and the positioning head is arranged on the side of the positioning member away from the second mounting hole.

[0025] The positioning member and the mounting seat are fixed by a pin shaft passing through the first mounting hole and the second mounting hole.

[0026] Preferably, a mounting groove is arranged on the side of the positioning member away from the positioning head, and the positioning member is sleeved on the outer side of part of the mounting seat through the mounting groove.

[0027] Preferably, the positioning assembly further comprises:

[0028] A rotating shaft is rotatably connected with the body, and the rotating frame is fixedly sleeved on the outer side of the rotating shaft;

[0029] A rotating driving member is connected with the rotating shaft and used to drive the rotating shaft to rotate;

[0030] A second control valve is connected with the rotating driving member and used to control the rotating driving member to drive the rotating frame to rotate by a preset angle.

[0031] Preferably, the length of the inner door frame is not more than 2.5 meters, and the side positioning assembly is arranged in three groups.

[0032] The length of the inner door frame is between 2.5 meters and 4 meters, and the side positioning assembly is arranged in four groups.

[0033] The inner door frame assembly tool provided by the utility model firstly has the assembling table and the end surface positioning assembly, wherein the assembling table is used for placing the inner door frame, the end surface positioning assembly is arranged at one end of the assembling table, and the end surface positioning assembly is used for positioning the end surface of the inner door frame. The end surface positioning assembly comprises a mounting frame, a first positioning end surface and a second positioning end surface. The mounting frame is used for fixedly connecting with one end of the assembling table. The first positioning end surface is arranged on the mounting frame and used for contacting with the end surface of the upper cross beam of the inner door frame for positioning. The second positioning end surface is arranged below the first positioning end surface and used for contacting with the end surface of the channel steel of the inner door frame for positioning. The end surface of the inner door frame is positioned by the first positioning end surface and the second positioning end surface, and the positioning is more accurate. Secondly, the side positioning assembly is further arranged. The side positioning assembly is arranged at least in two groups and is arranged along the length direction of the inner door frame at intervals. The side positioning assembly comprises a body and a positioning assembly. The body is used for fixedly connecting with the assembling table and extends along the width direction of the inner door frame. The positioning assembly is arranged at two ends of the body and used for abutting against the outer side of the inner door frame. The positioning precision is improved. According to the number of groups of the positioning assembly, the assembling requirements of inner door frames with different lengths can be met. It can be seen that, compared with the prior art, the inner door frame assembly tool in the utility model embodiment has high positioning product precision, high product compatibility and can realize the assembling of inner door frames with different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0035] Figure 1 A structural schematic diagram of an inner door frame provided by an embodiment of the utility model;

[0036] Figure 2 A structural diagram of an inner door frame assembly tool provided in an embodiment of the present utility model (with an inner door frame);

[0037] Figure 3 A top view of the inner door frame assembly tool provided in an embodiment of the present utility model (without the inner door frame);

[0038] Figure 4 A structural diagram of the end face positioning assembly provided in this practical embodiment;

[0039] Figure 5 A structural diagram of the side positioning assembly provided in this practical embodiment;

[0040] Figure 6 A structural diagram of the positioning assembly provided in this practical embodiment (without positioning parts).

[0041] Reference numerals:

[0042] Background technology: 100, inner door frame; 10, channel steel; 20, crossbar; 30, upper crossbeam;

[0043] This application: 1. Assembly table; 2. End face positioning assembly; 21. Mounting frame; 22. First end face positioning block; 23. Second end face positioning block; 3. Side positioning assembly; 31. Main body; 32. Positioning assembly; 33. Push rod; 34. Clamping drive; 321. Rotating frame; 3221. Positioning head; 3222. Mounting seat; 3223. Positioning member; 3224. Pin. DETAILED DESCRIPTION

[0044] In order to make the technical personnel in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0045] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0046] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0047] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple", "several" is two or more, unless otherwise explicitly specified.

[0048] It should be understood that the structure, proportion, size, etc. shown in the drawings of the present application are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and do not have technical substantive significance, any modification of structure, change of proportion relationship or adjustment of size, as long as it does not affect the effect and purpose that can be achieved by the present application, it should still fall within the scope of the technical content disclosed by the present application.

[0049] The embodiments of the present application are written in a progressive manner.

[0050] For example, Figures 1 to 6As shown, the utility model embodiment provides a kind of inner door frame assembly tool, comprising: assembly table 1, assembly table 1 is used to place inner door frame;End face positioning assembly 2 being arranged in one end of assembly table 1, end face positioning assembly 2 includes mounting bracket 21, first end face positioning block 22 and second end face positioning block 23, first end face positioning block 22 is arranged on mounting bracket 21, to contact with the end face of upper cross beam, second end face positioning block 23 is arranged below first end face positioning block 22, to contact with the end face of channel steel;At least two side face positioning assemblies 3, side face positioning assembly 3 extends along the length direction of inner door frame, and side face positioning assembly 3 includes body 31 and positioning assembly 32, body 31 is used to be fixedly connected with assembly table 1, and positioning assembly 32 is respectively arranged in the two sides of body 31, and is respectively used to abut with the outside of channel steel.

[0051] The inner door frame in the prior art includes channel steel 10, cross bar 20 and upper cross beam 30, wherein two channel steels 10 are parallel to each other, cross bar 20 is used to connect two channel steels 10, cross bar 20 is provided with at least two, and is arranged in the axial direction of channel steel 10 at intervals, upper cross beam 30 is arranged at one end of channel steel 10, upper cross beam 30 is arranged above channel steel 10, and two ends of upper cross beam 30 are connected with two channel steels 10 respectively.

[0052] The current inner door frame assembly tool is often positioned by limiting block on the inner side surface of two channel steels, and this positioning mode has the following problems: on the one hand, the positioning product has poor precision, and on the other hand, the product has low compatibility, cannot realize the assembly of long inner door frame, and cannot realize the need of flexible production.

[0053] The inner door frame assembling tool provided by the utility model, firstly, because the assembling table 1 and the end face positioning assembly 2 are arranged, wherein the assembling table 1 is used for placing the inner door frame, the end face positioning assembly 2 is arranged at one end of the assembling table 1, and the end face positioning assembly 2 is used for positioning the end face of the inner door frame, wherein the end face positioning assembly 2 comprises a mounting frame 21, a first positioning end face and a second positioning end face, wherein the mounting frame 21 is used for being fixedly connected with one end of the assembling table 1, the first positioning end face is arranged on the mounting frame 21, and the first positioning end face is used for being in contact with the end face of the upper cross beam of the inner door frame for positioning; the second positioning end face is arranged below the first positioning end face, and the second positioning end face is used for being in contact with the end face of the channel steel of the inner door frame for positioning; the end face of the inner door frame is positioned through the first positioning end face and the second positioning end face, and positioning is more accurate. Secondly, the side face positioning assembly 3 is further arranged, the side face positioning assembly 3 is arranged at least in two, and is arranged at intervals along the length direction of the inner door frame; the side face positioning assembly 3 comprises a body 31 and a positioning assembly 32; the body 31 is used for being fixedly connected with the assembling table 1, and the body 31 extends along the width direction of the inner door frame; the positioning assembly 32 is arranged at two ends of the body 31 respectively, and the positioning assembly 32 is used for abutting against the outer side of the inner door frame, thereby improving positioning accuracy; according to the number of the positioning assemblies 32 arranged, the assembling requirements of inner door frames of different lengths can be met. Therefore, compared with the prior art, the inner door frame assembling tool in the utility model embodiment has high positioning product accuracy, high product compatibility, and can realize the assembling of inner door frames of different lengths.

[0054] It should be noted that, on the one hand, the first end face positioning block 22 and the second end face positioning block 23 are not on the same plane, the first end face positioning block 22 is arranged above the second end face positioning block 23, the first end face positioning block 22 is used for being in contact with the upper cross beam, and the second end face positioning block 23 is used for being in contact with the end face of the channel steel; the end face of the channel steel has an axis displacement difference with the upper cross beam; the end face of the inner door frame is positioned through the first end face positioning block 22 and the second end face positioning block 23, and positioning is more accurate.

[0055] On the other hand, because the inner door frame is designed with the two outer sides of the channel steel as the reference, the inner side of the channel steel is used as the reference in the prior art, and in the present application, the positioning assembly 32 is used for abutting against the outer side of the channel steel in the inner door frame, so that the assembling positioning reference is consistent with the design positioning reference, and the positioning accuracy is greater.

[0056] Furthermore, as a specific implementation, the first end face positioning block 22 in the utility model embodiment is used for being hingedly connected with the mounting frame 21, and the first end face positioning block 22 is arranged in two and is arranged at intervals along the width direction of the inner door frame.

[0057] In order to avoid the interference between the first end face positioning block 22 and the inner door frame when the inner door frame is placed on the assembling table 1, the first end face positioning block 22 is hinged to the mounting frame 21, when the inner door frame is placed, the first end face positioning block 22 is rotated so that the inner door frame does not touch the first end face positioning block 22, and when the inner door frame is placed, the end face of the channel steel is positioned by the second end face positioning block 23, and the first end face positioning block 22 is rotated to contact the upper cross beam to realize the positioning of the end face of the channel steel.

[0058] Further, as a specific embodiment, the second end face positioning block 23 in the utility model embodiment is fixedly connected with the mounting frame 21, the second end face positioning block 23 is provided with two, and is spaced apart along the width direction of the inner door frame, and the two second end face positioning blocks 23 are respectively in contact with the end faces of the two channel steels.

[0059] Further, as one of the embodiments, the mounting frame 21 in the utility model embodiment comprises a mounting block, the mounting block is used for being fixedly connected with the mounting frame 21, the mounting block is provided with two, and the two mounting blocks are spaced apart along the width direction of the assembling frame, and the two second end face positioning blocks 23 are respectively arranged on the mounting blocks, a horizontal plate arranged on the mounting block, the first end face positioning block 22 is arranged on the baffle, and the end of the baffle away from the first end face positioning block 22 is hinged to the horizontal plate, the baffle is provided with two, and is respectively arranged at the two ends of the horizontal plate.

[0060] More specifically, the second end face positioning block 23 and the mounting block are fixedly connected through a screw.

[0061] Further, as one of the embodiments, the side face positioning assembly 3 in the utility model embodiment further comprises a top rod 33, the top rod 33 is arranged on the body 31, and the top rod 33 is arranged in pairs, and the top rod 33 is used for abutting against the inner side face of the inner door frame. Specifically, after the outer side face of the channel steel is positioned by the positioning assembly 32, the inner side face of the inner door frame is clamped by the top rod 33, which is more convenient for assembling the inner door frame.

[0062] As a specific embodiment, the side face positioning assembly 3 in the utility model embodiment further comprises a clamping driving piece 34 and a first reversing valve, wherein the clamping driving piece 34 is arranged on the body 31, the telescopic end of the clamping driving piece 34 is used for being connected with the top rod 33, the two top rods 33 are driven to approach or move away by the clamping driving piece 34, the first reversing valve is used for being connected with the clamping driving piece 34, and the first reversing valve is used for controlling the clamping driving piece 34 to drive the top rod 33 to extend or retract.

[0063] Further, the first reversing valve in the utility model embodiment is specifically a first manual reversing valve.

[0064] Further, the clamping driving part 34 in the embodiment of the utility model can be provided with two, and the telescopic ends of the two clamping driving parts 34 are connected with the jacks 33 respectively.

[0065] The clamping driving part 34 in the embodiment of the utility model can also be a cylinder with two telescopic ends, and the two telescopic ends of the cylinder are connected with the jacks 33 respectively, and simultaneously drive the two jacks 33 to approach or move away.

[0066] As one of the specific embodiments, the positioning assembly 32 in the embodiment of the utility model comprises a slewing frame 321 and a positioning mechanism, the slewing frame 321 is used for being rotationally connected with the body 31, the positioning mechanism is fixedly arranged on the body 31, the positioning mechanism is provided with at least two groups, and the two groups of positioning mechanisms are uniformly and spacedly arranged around the circumference of the body 31, the positioning mechanism comprises a positioning head 3221, the positioning head 3221 is used for being in contact with the outer side surface of the channel steel, the positioning head 3221 on one group of positioning mechanisms is provided with at least two, and the positioning heads 3221 are spacedly arranged along the axis direction of the slewing frame 321, in order to enable the positioning assembly 32 to be adapted to the positioning of the inner door frame of different specifications, there is a distance difference between the distance of the positioning heads 3221 on the adjacent positioning mechanisms and the axis of the slewing frame 321, so as to adapt to the positioning of the inner door frame of different specifications.

[0067] More specifically, as one of the embodiments, the positioning mechanism in the embodiment of the utility model comprises a mounting seat 3222, a positioning piece 3223 and a pin shaft 3224, the mounting seat 3222 is used for being fixedly connected with the slewing frame 321, the mounting seat 3222 is provided with a first mounting hole, the first mounting hole is provided with at least two, the positioning piece 3223 is used for being detachably connected with the mounting seat 3222, the positioning piece 3223 is provided with a second mounting hole, the second mounting hole corresponds to the first mounting hole one by one, and the second mounting hole is used in cooperation with the first mounting hole, the positioning head 3221 is arranged on the side of the positioning piece 3223 far away from the second mounting hole, and the pin shaft 3224 passes through the first mounting hole and the second mounting hole, so as to fix the positioning piece 3223 and the mounting seat 3222.

[0068] As one of the specific embodiments, the positioning mechanism in the embodiment of the utility model further comprises a mounting groove, the mounting groove is arranged on the side of the positioning piece 3223 far away from the positioning head 3221, and the mounting piece is sleeved on the outer side of part of the mounting seat 3222. Specifically, the mounting piece is sleeved on the outer side of part of the mounting seat 3222, so that the first mounting hole and the second mounting hole are aligned, and are fixed through the pin shaft 3224.

[0069] Further, as one of the embodiments, the positioning assembly 32 in the embodiment of the utility model further comprises a rotating shaft, a rotating driving part and a second control valve, wherein the rotating shaft is fixedly connected with the rotating frame 321, and the rotating shaft is rotationally connected with the body 31, the rotating driving part is connected with the rotating shaft, the rotating driving part is used to drive the rotating shaft and the rotating frame 321 to rotate around the axis, and the second control valve is used to control the rotating driving part to drive the rotating shaft to rotate by a preset angle.

[0070] The preset angle is related to the setting of the number of groups of the positioning mechanism, if the positioning mechanism is provided with two groups, the preset angle is 180°, if the positioning mechanism is provided with three groups, the preset angle is 120°, and if the positioning mechanism is provided with four groups, the preset angle is 90°. The positioning mechanisms are uniformly and spacedly arranged around the circumference of the rotating frame 321, and the preset angle is equal to 360° divided by the number of groups of the positioning mechanisms.

[0071] Further, the cross-sectional shape of the rotating frame 321 is specifically circular or quadrilateral.

[0072] Further, the rotating frame 321 is internally provided with a weight-reducing chamber, so that the lightweight design can reduce the material cost.

[0073] Further, the length of the inner door frame in the prior art is not more than 4 meters, for the inner door frame with a length of not more than 2.5 meters, the side positioning assembly 3 can be selected as three groups, and the first control valve simultaneously controls the extension and retraction of the three groups of jacks 33, and the second control valve simultaneously controls the rotation of the three groups of positioning mechanisms. For the inner door frame with a length of 2.5 meters to 4 meters, the side positioning assembly 3 can be selected as four groups, and the effect is better.

[0074] Further, for the fourth group of side positioning assemblies 3, the inner door frame assembly tool in the embodiment of the utility model further comprises a third control valve, the third control valve is used to control the rotation of the fourth group of positioning mechanisms and the extension and retraction of the fourth group of jacks 33, and the use is more convenient.

[0075] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An inner mast assembly tooling, characterized by, The utility model relates to an inner door frame assembly tool, which comprises: an assembly table (1) for placing an inner door frame; an end face positioning assembly (2) arranged at one end of the assembly table (1), the end face positioning assembly (2) comprising a mounting rack (21), a first end face positioning block (22) arranged on the mounting rack (21) to contact the end face of an upper cross beam, and a second end face positioning block (23) arranged below the first end face positioning block (22) to contact the end face of a channel steel; at least two groups of side face positioning assemblies (3) arranged at intervals along the inner door frame, one group of the side face positioning assemblies (3) comprising a body (31) fixedly connected to the assembly table (1) and two positioning assemblies (32) arranged at two sides of the body (31) to abut against the outer side faces of two channel steels.

2. The inner door frame assembly tool according to claim 1, wherein the first end face positioning block (22) is hingedly connected to the mounting rack (21), and two first end face positioning blocks (22) are arranged at intervals along the width direction of the inner door frame.

3. The inner door frame assembly tool according to claim 1, wherein the second end face positioning block (23) is fixedly connected to the mounting rack (21), and two second end face positioning blocks (23) are arranged at intervals along the width direction of the inner door frame.

4. The inner door frame assembly tool according to any one of claims 1 to 3, wherein the side face positioning assembly (3) further comprises: a top rod (33) arranged on the body (31), the top rod (33) being arranged in pairs and used to abut against the inner side faces of the channel steels.

5. The inner door frame assembly tool according to claim 4, wherein the side face positioning assembly (3) further comprises: a clamping driving member (34) arranged on the body (31), the telescopic end of the clamping driving member (34) being connected to the top rod (33), and the clamping driving member (34) being used to drive the two top rods (33) to move close to or away from each other; a first reversing valve connected to the clamping driving member (34), the first reversing valve being used to control the clamping driving member (34) to drive the two top rods (33) to extend or retract.

6. The inner door frame assembly tool according to claim 4, wherein the positioning assembly (32) comprises: a slewing frame (321) rotationally connected to the body (31); a positioning mechanism arranged on the slewing frame (321), the positioning mechanism being arranged in at least two groups and uniformly and intervally arranged along the circumferential direction of the slewing frame (321), the positioning mechanism comprising a positioning head (3221) used to contact the outer side face of a channel steel, and the distance between the positioning heads (3221) on adjacent positioning mechanisms and the axis of the slewing frame (321) has a distance difference.

7. The inner gantry assembly tooling of claim 6, wherein, the positioning mechanism comprises: a mounting seat (3222) fixedly connected with the slewing frame (321), the mounting seat (3222) being provided with a first mounting hole, the first mounting hole being provided with at least two; a positioning member (3223) detachably connected with the mounting seat (3222), the positioning member (3223) being provided with a second mounting hole used in cooperation with the first mounting hole, the positioning head (3221) being arranged on a side of the positioning member (3223) away from the second mounting hole; a pin shaft (3224) penetrating through the first mounting hole and the second mounting hole to fixedly connect the positioning member (3223) and the mounting seat (3222).

8. The inner gantry assembly tooling of claim 7, wherein, a mounting groove is arranged on a side of the positioning member (3223) away from the positioning head (3221), the positioning member (3223) being sleeved on an outer side of part of the mounting seat through the mounting groove.

9. The inner gantry assembly tooling of claim 6, wherein, the positioning assembly (32) further comprises: a slewing shaft, the slewing shaft being rotationally connected with the body (31), the slewing frame (321) being fixedly sleeved on an outer side of the slewing shaft; a slewing driving member connected with the slewing shaft to drive the slewing shaft to rotate; a second control valve connected with the slewing driving member, the second control valve being used to control the slewing driving member to drive the slewing frame to rotate by a preset angle.

10. The inner gantry assembly tooling of any one of claims 1 to 3 and 5 to 9, wherein, a length of the inner gantry is not more than 2.5 meters, and the side positioning assembly (3) is arranged in three groups; a length of the inner gantry is between 2.5 meters and 4 meters, and the side positioning assembly (3) is specifically arranged in four groups.

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