Point splicing tool suitable for counterbalance forklift truck rear tail frame assembly

Abstract

The utility model discloses a point splicing tool suitable for a rear tail frame assembly of a counterbalance forklift truck, which comprises a platform, and further comprises a side plate mounting mechanism, a plurality of connecting plate jacking mechanisms, a water tank positioning mechanism, an inclined surface supporting mechanism, a guide rail positioning mechanism and an end part positioning mechanism which are mounted on the platform, the side plate mounting mechanism, the plurality of connecting plate jacking mechanisms, the water tank positioning mechanism and the end part positioning mechanism are sequentially arranged on the platform and are symmetrically distributed on the two sides of the middle line of the platform; the inclined plane supporting mechanisms are symmetrically arranged between the end part positioning mechanisms; and the guide rail positioning mechanism is arranged between the inclined plane supporting mechanisms. By means of the platform and the mechanisms arranged on the platform, the point splicing process of the rear tailstock assembly can be efficiently completed, meanwhile, the point splicing process can effectively guarantee the dimensional accuracy of structural parts, the production efficiency of products and the quality of the assembly are improved, the production period is shortened, the production cost is reduced, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical manufacturing tooling, and in particular relates to a point assembly tooling suitable for a rear tail frame assembly of a counterbalanced forklift. Background Art

[0002] Counterbalanced forklifts are suitable for loading, unloading, stacking and handling of workpieces and materials in a variety of scenarios. Small-tonnage forklifts can also work in cabins, train carriages and containers. They are highly flexible and occupy a small space, and have a wide range of applications. The rear tail frame assembly of a counterbalanced forklift is an important component of the frame, and its accuracy directly affects the working efficiency of the counterbalanced forklift.

[0003] For the rear tail frame assembly of counterbalanced forklifts, the traditional assembly process is to draw lines manually. This method has a large marking error, which will result in low assembly precision and poor molding quality of the rear tail frame assembly. In the later stage, the accuracy can only be guaranteed by machining, which has low production efficiency, wastes time and costs, increases the labor intensity of workers, and increases time costs. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and to provide a kind of assembly tooling suitable for the rear tail frame assembly of a counterbalanced forklift, which can effectively ensure the assembly accuracy of the rear tail frame assembly, improve the assembly efficiency and enhance the product quality.

[0005] The utility model provides the following technical solutions:

[0006] A point assembly tool suitable for a rear tail frame assembly of a counterbalanced forklift, comprising a platform, and also comprising a side panel mounting mechanism, a plurality of connecting plate tightening mechanisms, a water tank positioning mechanism, an inclined support mechanism, a guide rail positioning mechanism and an end positioning mechanism installed on the platform; the side panel mounting mechanism, the plurality of connecting plate tightening mechanisms, the water tank positioning mechanism and the end positioning mechanism are arranged in sequence on the platform, and are symmetrically distributed on both sides of the center line of the platform; the inclined support mechanism is symmetrically arranged between the end positioning mechanisms; the guide rail positioning mechanism is arranged between the inclined support mechanisms.

[0007] As an optional technical solution of the present invention, the side panel mounting mechanism includes a side panel pad, a side panel positioning assembly and a side panel tightening assembly; the side panel pad is fixed on the platform; the side panel positioning assembly is arranged on one side of the side panel pad, and the side panel tightening assembly is arranged on the other side of the side panel pad.

[0008] As an optional technical solution of the utility model, the side panel positioning assembly includes a side panel positioning block, a side panel positioning base and a side panel positioning cylinder; the side panel positioning base is fixed on the platform; the side panel positioning cylinder is installed on the top of the side panel positioning base; the side panel positioning block is connected to the output end of the side panel positioning cylinder and faces the side panel tightening assembly.

[0009] As an optional technical solution of the present invention, the side panel tightening assembly includes a side panel tightening base and a side panel tightening device; the side panel tightening base is fixed on the platform; the side panel tightening device is installed on the top of the side panel tightening base and points to the side panel positioning block.

[0010] As an optional technical solution of the utility model, the setting directions of the multiple connecting plate tightening mechanisms are different, including being set parallel to the extension direction of the side plate mounting mechanism and being set perpendicular to the extension direction of the side plate mounting mechanism, and the connecting plate tightening mechanism set perpendicular to the extension direction of the side plate mounting mechanism is located between the connecting plate tightening mechanisms set parallel to the extension direction of the side plate mounting mechanism; the connecting plate tightening mechanism includes a connecting plate tightening base and a connecting plate tightening device; the connecting plate tightening base is fixed on the platform; the connecting plate tightening device is arranged on the top of the connecting plate tightening base.

[0011] As an optional technical solution of the utility model, the water tank positioning mechanism includes an upper positioning assembly, a first positioning shaft, a second positioning shaft and a lower positioning assembly; the lower positioning assembly is fixed on the platform; the upper positioning assembly is installed on one side of the top of the lower positioning assembly; the second positioning shaft is arranged on the other side of the top of the lower positioning assembly; the first positioning shaft is arranged at the upper end of the upper positioning assembly.

[0012] As an optional technical solution of the present utility model, the inclined surfaces of the inclined plane support mechanism are arranged relatively.

[0013] As an optional technical solution of the utility model, the guide rail positioning mechanism includes a rear axle assembly pad, a third positioning shaft, a bracket body, a slider and a linear guide; the linear guide is fixed on the platform; the slider is slidably connected to the linear guide; the bracket body is installed on the slider; the rear axle assembly pad is installed on the top of the bracket body; and the third positioning shaft is arranged on both sides of the bracket body.

[0014] As an optional technical solution of the utility model, the end positioning mechanism includes an end positioning base, a fixed seat positioning assembly, a profiling assembly, a clamp and a fourth positioning shaft; the end positioning base is fixed on the platform; the profiling assembly is installed on one side of the top of the end positioning base; the clamp is installed on the other side of the top of the end positioning base and is connected to the profiling assembly; the fixed seat positioning assembly is installed on one side of the profiling assembly extending out of the end positioning base; the fourth positioning shaft is passed through the lower end of the fixed seat positioning assembly.

[0015] As an optional technical solution of the utility model, it also includes a support frame; the support frame is arranged between the connecting plate tightening mechanism and the water tank positioning mechanism, and is symmetrically arranged.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model provides an assembly tool suitable for the rear tail rack assembly of a counterbalanced forklift, which is through a platform and various mechanisms arranged on the platform. The structure is simple and efficient, and the operation is convenient. The rear tail rack assembly can be quickly positioned, which greatly shortens the production cycle, reduces the production cost, and reduces the labor intensity of workers. It can effectively ensure the assembly accuracy of the rear tail rack assembly, improve the assembly efficiency, and enhance the product quality. At the same time, it is suitable for all rear tail rack assemblies with similar structural forms, has a wide range of applications, and has extremely high promotion and application value and social benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a point assembly tooling applicable to a rear tail frame assembly of a counterbalanced forklift in an embodiment of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the rear tailstock assembly in an embodiment of the utility model;

[0020] Figure 3 This is a structural schematic diagram of the side panel positioning assembly in an embodiment of the utility model;

[0021] Figure 4 This is a structural schematic diagram of the side plate tightening assembly in an embodiment of the utility model;

[0022] Figure 5 This is a structural schematic diagram of the connecting plate tightening mechanism in the embodiment of the utility model;

[0023] Figure 6 This is a structural schematic diagram of the water tank positioning mechanism in the embodiment of the utility model;

[0024] Figure 7 This is a schematic structural diagram of the inclined plane support mechanism in the embodiment of the utility model;

[0025] Figure 8 This is a structural schematic diagram of the guide rail positioning mechanism in the embodiment of the utility model;

[0026] Fig. 9 This is a structural schematic diagram of the end positioning mechanism in the embodiment of the utility model;

[0027] Fig.10 This is a schematic diagram of the installation of the water tank fixing plate in the embodiment of the utility model;

[0028] Fig.11 This is a schematic diagram of the installation of the side panels in the embodiment of the utility model;

[0029] Fig.12 This is a schematic diagram of the installation of the fixing seat in the embodiment of the utility model;

[0030] Fig.13 It is a schematic diagram of the assembly points of the rear tailstock assembly in the embodiment of the utility model;

[0031] Fig.14 It is a schematic diagram of the joint points of the round tube in the embodiment of the utility model.

[0032] The following are marked in the figure: 1. Platform; 2. Side panel pad; 3. Side panel positioning assembly; 3.1. Side panel positioning block; 3.2. Side panel positioning base; 3.3. Side panel positioning cylinder; 4. Side panel tightening assembly; 4.1. Side panel tightening base; 4.2. Side panel tightening device; 5. Connecting plate tightening mechanism; 5.1. Connecting plate tightening base; 5.2. Connecting plate tightening device; 6. Support frame; 7. Water tank positioning mechanism; 7.1. Upper positioning assembly; 7.2. First positioning shaft; 7.3. Second positioning shaft; 7.4. Lower positioning assembly; 8. Support mechanism; 9. Guide rail positioning mechanism; 9. .1, rear axle assembly pad; 9.2, third positioning shaft; 9.3, bracket body; 9.4, slider; 9.5, linear guide; 10, end positioning mechanism; 10.1, end positioning base; 10.2, fixed seat positioning assembly; 10.3, profiling assembly; 10.4, clamp; 10.5, fourth positioning shaft; 11, rear tailstock assembly; 11.1, side plate; 11.2, connecting plate; 11.3, water tank fixing plate; 11.4, water tank support plate; 11.5, tailstock support plate; 11.6, fixed seat; 11.7, rear axle assembly; 11.8, round tube. DETAILED DESCRIPTION

[0033] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0034] Example 1

[0035] This embodiment provides a kind of assembly tool suitable for the tail frame assembly of a counterbalanced forklift, such as Figure 1 and 2 As shown, the assembly tool is used for the rear tailstock assembly 11 of the assembly. Figure 1 As shown, the jointing tooling includes a platform 1 and a side panel mounting mechanism, a plurality of connecting plate tightening mechanisms 5, a support frame 6, a water tank positioning mechanism 7, an inclined support mechanism 8, a guide rail positioning mechanism 9 and an end positioning mechanism 10 installed on the platform 1. The side panel mounting mechanism, the plurality of connecting plate tightening mechanisms 5, the water tank positioning mechanism 7 and the end positioning mechanism 10 are sequentially arranged on the platform 1 and are symmetrically distributed on both sides of the center line of the platform 1. Among them, the side panel mounting mechanism includes a side panel pad 2, a side panel positioning assembly 3 and a side panel tightening assembly 4.

[0036] The platform 1 is used for positioning and placing the rear tailstock assembly 11 and for connecting and fixing various mechanisms.

[0037] like Figure 1 As shown, the side panel pad 2 is fixed on the platform 1, and is used for height positioning of the side panel 11.1 in the rear tail frame assembly 11. The side panel positioning assembly 3 is arranged on one side of the side panel pad 2, and is used for positioning the side panel 11.1 in the rear tail frame assembly 11. The side panel tightening assembly 4 is arranged on the other side of the side panel pad 2, and is used for positioning and fixing the side panel 11.1.

[0038] Specifically, Figure 3 As shown, the side panel positioning assembly 3 includes a side panel positioning block 3.1, a side panel positioning base 3.2 and a side panel positioning cylinder 3.3. The side panel positioning base 3.2 is fixed on the platform 1. The side panel positioning cylinder 3.3 is installed on the top of the side panel positioning base 3.2, and is used to generate thrust through compressed air to push the cylinder side panel positioning block 3.1 to a specified position, thereby realizing the positioning of the side panel 11.1. The side panel positioning block 3.1 is connected to the output end of the side panel positioning cylinder 3.3, and faces the side panel tightening assembly 4, and is used for lateral tightening and limiting of the side panel 11.1 in the rear tail frame assembly 11.

[0039] Furthermore, in the present embodiment, two side panel positioning assemblies 3 are provided, and the two side panel positioning assemblies 3 are symmetrically distributed on both sides of the center line of the platform 1 and are arranged opposite to each other.

[0040] like Figure 4 As shown, the side panel tightening assembly 4 includes a side panel tightening base 4.1 and a side panel tightening device 4.2. The side panel tightening base 4.1 is fixed on the platform 1. The side panel tightening device 4.2 is installed on the top of the side panel tightening base 4.1 and points to the side panel positioning block 3.1, and is used to tighten the side panel 11.1 against the side panel positioning block 3.1.

[0041] Furthermore, in the present embodiment, two side panel tightening assemblies 4 are provided, and the two side panel tightening assemblies 4 are symmetrically distributed on both sides of the side panel positioning assembly 3 .

[0042] like Figure 5 As shown, the connecting plate tightening mechanism 5 comprises a connecting plate tightening base 5.1 and a connecting plate tightening device 5.2. The connecting plate tightening base 5.1 is fixed on the platform 1. The connecting plate tightening device 5.2 is arranged on the top of the connecting plate tightening base 5.1, and is used to tighten the connecting plate 11.2 against the side plate 11.1 and the rear axle assembly 11.7.

[0043] Furthermore, if Figure 1 As shown, the setting directions of the multiple connecting plate tightening mechanisms 5 are different, including being set parallel to the extension direction of the side panel mounting mechanism and being set perpendicular to the extension direction of the side panel mounting mechanism, and the connecting plate tightening mechanism 5 set perpendicular to the extension direction of the side panel mounting mechanism is located between the connecting plate tightening mechanisms 5 set parallel to the extension direction of the side panel mounting mechanism.

[0044] Furthermore, in this embodiment, the number of the connecting plate tightening bases 5.1 is 4, wherein two connecting plate tightening bases 5.1 are arranged perpendicular to the extending direction of the side plate mounting mechanism, and two connecting plate tightening bases 5.1 are arranged parallel to the extending direction of the side plate mounting mechanism.

[0045] like Figure 1 As shown, the support frame 6 is arranged between the connecting plate tightening mechanism 5 and the water tank positioning mechanism 7, and is symmetrically arranged for positioning the connecting plate 11.2 in the height direction.

[0046] Furthermore, in this embodiment, two support frames 6 are provided.

[0047] like Figure 6 As shown, the water tank positioning mechanism 7 includes an upper positioning component 7.1, a first positioning shaft 7.2, a second positioning shaft 7.3 and a lower positioning component 7.4. The lower positioning component 7.4 is fixed on the platform 1 and is used for height positioning of the water tank support plate 11.4. The upper positioning component 7.1 is installed on one side of the top of the lower positioning component 7.4 and is used for positioning and abutting the water tank fixing plate 11.3. The second positioning shaft 7.3 is provided on the other side of the top of the lower positioning component 7.4 and is used for positioning and fastening the water tank support plate 11.4. The first positioning shaft 7.2 is provided at the upper end of the upper positioning component 7.1 and is used for positioning and fastening the water tank fixing plate 11.3.

[0048] Furthermore, in this embodiment, two water tank positioning mechanisms 7 are provided.

[0049] like Figure 1 and 7 As shown, the inclined plane support mechanism 8 is symmetrically arranged between the end positioning mechanisms 10, and the inclined surfaces of the inclined plane support mechanism 8 are arranged opposite to each other.

[0050] Furthermore, in this embodiment, two inclined plane support mechanisms 8 are provided for positioning the tailstock support plate 11.5.

[0051] like Figure 1 and 8 As shown, the guide rail positioning mechanism 9 is arranged between the inclined support mechanism 8, and is used for the through-axis positioning and fixing of the rear axle assembly 11.7. The guide rail positioning mechanism 9 includes a rear axle assembly pad 9.1, a third positioning shaft 9.2, a bracket body 9.3, a slider 9.4 and a linear guide 9.5. The linear guide 9.5 is fixed on the platform 1, and is used for the sliding guide of the guide rail positioning mechanism 9. The slider 9.4 is slidably connected to the linear guide 9.5. The bracket body 9.3 is installed on the slider 9.4. The rear axle assembly pad 9.1 is installed on the top of the bracket body 9.3, and is used for the height positioning of the rear axle assembly 11.7. The positioning reference of the rear axle assembly 11.7 is adjusted by the height change of the rear axle assembly pad 9.1 to meet the production requirements of structural parts of different models of products. The third positioning shaft 9.2 is arranged on both sides of the bracket body 9.3.

[0052] Furthermore, in this embodiment, diagonal positioning is achieved by two third positioning shafts 9.2 to ensure the positioning dimensions of the rear axle assembly 11.7.

[0053] Furthermore, in this embodiment, a grease injection port is integrated on the sliding block 9.4 to provide lubrication.

[0054] like Fig. 9 As shown, the end positioning mechanism 10 is used for the through-shaft positioning of the connecting hole of the end of the round tube 11.8 and the side plate 11.1, and the through-shaft positioning of the fixed seat 11.6. It includes an end positioning base 10.1, a fixed seat positioning assembly 10.2, a profiling assembly 10.3, a clamp 10.4 and a fourth positioning shaft 10.5. The end positioning base 10.1 is fixed on the platform 1. The profiling assembly 10.3 is installed on one side of the top of the end positioning base 10.1. The clamp 10.4 is installed on the other side of the top of the end positioning base 10.1, and is connected to the profiling assembly 10.3, and is used for the connection and compression of the profiling assembly 10.3 and the end positioning base 10.1. The fixed seat positioning assembly 10.2 is installed on the side of the profiling assembly 10.3 extending out of the end positioning base 10.1, and is used to cooperate with the fourth positioning shaft 10.5 for through-shaft use to ensure the size of the fixed seat 11.6. The fourth positioning shaft 10.5 is disposed through the lower end of the fixing seat positioning assembly 10.2.

[0055] Furthermore, the profiling component 10.3 is provided with a slot and a hole of the same shape as the end of the side plate 11.1, which are used for the through-shaft positioning of the end and the hole of the side plate 11.1.

[0056] Furthermore, in this embodiment, two end positioning mechanisms 10 are provided.

[0057] Example 2

[0058] This embodiment provides a method for assembling the assembly of the assembly of the tail frame assembly of a counterbalanced forklift described in Embodiment 1. Figure 2 As shown, the rear tailstock assembly 11 of the assembly of this embodiment. The method comprises:

[0059] Step 1: Find a suitable site and use lifting equipment to stabilize platform 1.

[0060] Step 2: Figure 1 As shown, the mechanisms are assembled on the platform 1 in sequence, wherein the upper positioning assembly 7.1, the fixed seat positioning assembly 10.2, the contour assembly 10.3 and their related shafts are assembled with the individual parts and then assembled as a whole.

[0061] Step 3: Fig.10 As shown, the water tank fixing plate 11.3 is assembled with the positioning assembly 7.1 and the first positioning shaft 7.2. Fig.11 As shown, the side panel 11.1 is assembled with the same profile component 10.3 through holes. Fig.12 As shown, the fixing seat 11.6 is assembled with the fixing seat positioning assembly 10.2 through the shaft.

[0062] Step 4: Fig.13 As shown, the rear axle assembly 11.7 is placed on the guide rail positioning mechanism 9, and the bracket body 9.3 is threaded to position the rear axle assembly 11.7. Fig.11 The corresponding profiling mechanism 10.3 is fixed on the end positioning base 10.1 through the shaft, and the side plate positioning component 3 and the side plate tightening component 4 are used for positioning and tightening. Then the tailstock support plate 11.5, the connecting plate 11.2, and the water tank support plate 11.4 are placed in sequence for tightening and positioning. Fig.10 The corresponding upper positioning assembly 7.1 is fixed to the lower positioning assembly 7.4. Fig.12 The corresponding fixing seat positioning assembly 10.2 is fixed to the profiling mechanism 10.3 through the shaft.

[0063] Step 5: Fig.14 As shown, the assembled rear tail frame assembly 11 is hoisted to the outer area of ​​the tooling, and then the round tube 11.8 is passed through the hole of the side plate 11.1 for assembly, and the assembly is completed.

[0064] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0065] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0066] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A tooling for assembling a tailstock assembly of a counterbalanced forklift, comprising a platform (1), characterized in that: It also includes a side plate mounting mechanism mounted on the platform (1), a plurality of connection plate tightening mechanisms (5), a water tank positioning mechanism (7), an inclined plane supporting mechanism (8), a guide rail positioning mechanism (9) and an end positioning mechanism (10); The side plate mounting mechanism, the plurality of connection plate tightening mechanisms (5), the water tank positioning mechanism (7) and the end positioning mechanism (10) are sequentially arranged on the platform (1) and are symmetrically distributed on both sides of the center line of the platform (1); The inclined surface support mechanism (8) is symmetrically arranged between the end positioning mechanisms (10); The guide rail positioning mechanism (9) is arranged between the inclined plane supporting mechanisms (8).

2. The assembly tool for the rear tailstock assembly of a counterbalanced forklift according to claim 1, characterized in that: The side panel installation mechanism comprises a side panel backing plate (2), a side panel positioning assembly (3) and a side panel tightening assembly (4); The side plate pad (2) is fixed on the platform (1); The side panel positioning assembly (3) is arranged on one side of the side panel pad (2), and the side panel tightening assembly (4) is arranged on the other side of the side panel pad (2).

3. The assembly tool for the rear tailstock assembly of a counterbalanced forklift according to claim 2 is characterized in that: The side panel positioning assembly (3) comprises a side panel positioning block (3.1), a side panel positioning base (3.2) and a side panel positioning cylinder (3.3); The side panel positioning base (3.2) is fixed on the platform (1); The side plate positioning cylinder (3.3) is installed on the top of the side plate positioning base (3.2); The side plate positioning block (3.1) is connected to the output end of the side plate positioning cylinder (3.3) and faces the side plate tightening assembly (4).

4. The assembly tool for the rear tailstock assembly of a counterbalanced forklift according to claim 3 is characterized in that: The side plate tightening assembly (4) comprises a side plate tightening base (4.1) and a side plate tightening device (4.2); The side plate is tightened against the base (4.1) and fixed on the platform (1); The side panel tightening device (4.2) is installed on the top of the side panel tightening base (4.1) and points to the side panel positioning block (3.1).

5. The assembly tool for the rear tail frame assembly of a counterbalanced forklift according to claim 1, characterized in that: The plurality of connection plate tightening mechanisms (5) are arranged in different directions, including being arranged in parallel with the extension direction of the side plate mounting mechanism and being arranged perpendicular to the extension direction of the side plate mounting mechanism, and the connection plate tightening mechanism (5) arranged perpendicular to the extension direction of the side plate mounting mechanism is located between the connection plate tightening mechanisms (5) arranged in parallel with the extension direction of the side plate mounting mechanism; The connecting plate tightening mechanism (5) comprises a connecting plate tightening base (5.1) and a connecting plate tightening device (5.2); The connecting plate is tightened against the base (5.1) and fixed on the platform (1); The connecting plate tightening device (5.2) is arranged on the top of the connecting plate tightening base (5.1).

6. The assembly tool for the rear tailstock assembly of a counterbalanced forklift according to claim 1, characterized in that: The water tank positioning mechanism (7) comprises an upper positioning component (7.1), a first positioning shaft (7.2), a second positioning shaft (7.3) and a lower positioning component (7.4); The lower positioning assembly (7.4) is fixed on the platform (1); The upper positioning component (7.1) is installed on one side of the top of the lower positioning component (7.4); The second positioning shaft (7.3) is arranged on the other side of the top of the lower positioning component (7.4); The first positioning shaft (7.2) is arranged at the upper end of the upper positioning component (7.1).

7. The assembly tool for the rear tailstock assembly of a counterbalanced forklift according to claim 1, characterized in that: The inclined surfaces of the inclined surface supporting mechanism (8) are arranged relative to each other.

8. The assembly tool for the rear tailstock assembly of a counterbalanced forklift according to claim 1, characterized in that: The guide rail positioning mechanism (9) comprises a rear axle assembly pad (9.1), a third positioning shaft (9.2), a bracket body (9.3), a sliding block (9.4) and a linear guide rail (9.5); The linear guide rail (9.5) is fixed on the platform (1); The slider (9.4) is slidably connected to the linear guide rail (9.5); The bracket body (9.3) is mounted on the slider (9.4); The rear axle assembly pad (9.1) is mounted on the top of the bracket body (9.3); The third positioning axis (9.2) is arranged on both sides of the bracket body (9.3).

9. The assembly tool for the rear tail frame assembly of a counterbalanced forklift according to claim 1, characterized in that: The end positioning mechanism (10) comprises an end positioning base (10.1), a fixed base positioning assembly (10.2), a contouring assembly (10.3), a clamp (10.4) and a fourth positioning shaft (10.5); The end positioning base (10.1) is fixed on the platform (1); The profiling component (10.3) is installed on one side of the top of the end positioning base (10.1); The presser (10.4) is installed on the other side of the top of the end positioning base (10.1) and is connected to the contouring component (10.3); The fixing seat positioning component (10.2) is installed on one side of the positioning base (10.1) extending out of the end of the profiling component (10.3); The fourth positioning shaft (10.5) is disposed through the lower end of the fixing seat positioning assembly (10.2).

10. The assembly tool for the rear tailstock assembly of a counterbalanced forklift according to claim 1, characterized in that: It also includes a support frame (6); the support frame (6) is arranged between the connection plate tightening mechanism (5) and the water tank positioning mechanism (7), and is symmetrically arranged.

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