Assembly tool for quickly positioning bolt of integrated torque limiter

Abstract

An assembly tool for rapidly positioning an integrated torque limiter bolt comprises a fixed bottom plate, a positioning mandrel, a bolt guide sleeve, a holding handle and a connecting bolt. The center of the fixed bottom plate is sleeved with the positioning mandrel, six fixing holes are evenly formed in the fixed bottom plate around the center, and the bolt guide sleeves are fixedly connected with the fixing holes respectively. And the holding handle is connected with the positioning mandrel through a connecting bolt. The tool is attractive in appearance, exquisite in process, simple in structure, reliable in performance, convenient to install and use, high in practicability and capable of effectively reducing the labor intensity of operators, improving the takt and reducing the manufacturing cost when used on an assembly line.

Description

TECHNICAL FIELD

[0001] The utility model belongs to positioning frock technical field, concretely relates to a kind of assembly frock of quick positioning integrated torque limiter bolt. BACKGROUND

[0002] When range extender integrated torque limiter (abbreviation: limiter) is transported to line side and assembled with range extender crankshaft big end face, the following positioning frock shown in the drawing is generally used for assembly, and limiter bolt is assembled by positioning crankshaft center hole.

[0003] When limiter is assembled, limiter bolt hole is deep, internal structure is complex, bolt is difficult to position, and bolt cannot be accurately seated; Because the specific position cannot be seen, pre-tightening action is difficult to accurately implement; It needs to be corrected several times to pre-tighten limiter bolt, and it is difficult to remove limiter bolt after skewing, this way not only increases the labor intensity of operator, but also causes the waste of production rhythm, increases manufacturing cost. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems of overcoming the deficiencies of prior art, providing a kind of assembly frock of quick positioning integrated torque limiter bolt, limiter mounting bolt is always located in bolt hole during assembly process, avoid dumping and skewing, and there is no jam in limiter hole, avoid operator to continue to bend due to bolt jam, reduce labor intensity, avoid occupational health risk, reduce rhythm, save manufacturing cost.

[0005] The utility model provides a kind of assembly frock of quick positioning integrated torque limiter bolt, including fixed base plate, positioning mandrel, bolt guide sleeve, handle and connecting bolt;Fixed base plate is sleeved with positioning mandrel at the center, six fixed holes are evenly provided around the center on fixed base plate, and bolt guide sleeve is fixedly connected with fixed hole respectively;Handle is connected with positioning mandrel by connecting bolt.

[0006] As a further technical scheme of the utility model, the fixed base plate is a steel plate, and the outer ring is cut into an arc shape.

[0007] Further, the bolt guide sleeve is cut from a stainless steel pipe, the head is chamfered, and the tail of the bolt guide sleeve is bonded and fixed to the fixed hole on the fixed base plate by adhesive gel.

[0008] Further, the positioning mandrel is formed by turning, and is bonded to the center hole of the fixed base plate by adhesive gel;One end of the positioning mandrel is provided with a threaded hole.

[0009] Further, the handle is formed by turning;A through hole is drilled in the center of the handle, and the handle is connected to the positioning mandrel through the through hole.

[0010] Further, the connecting bolt is formed by machining and has a thread.

[0011] The utility model discloses the advantages of beautiful appearance, delicate technology, simple structure, reliable performance, convenient to install and use, strong practicality, use on assembly line, can effectively reduce operator's labor intensity, promote rhythm, reduce manufacturing cost. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is structure schematic diagram of the utility model;

[0013] Figure 2 It is structure schematic diagram of the utility model's fixed bottom plate;

[0014] Figure 3 It is structure schematic diagram of the utility model's bolt guide sleeve;

[0015] Figure 4 It is structure schematic diagram of the utility model's positioning mandrel;

[0016] Figure 5 It is structure schematic diagram of the utility model's handle;

[0017] Figure 6 It is structure schematic diagram of the utility model's connecting bolt. DETAILED DESCRIPTION

[0018] Please refer to Figure 1 , the embodiment provides a kind of assembly tool of quick positioning integrated torque limiter bolt, including fixed bottom plate 1, positioning mandrel 3, bolt guide sleeve 2, handle 4 and connecting bolt 5;Fixed bottom plate 1 is sleeved with positioning mandrel 3 at center, six fixed holes are evenly arranged around the center on fixed bottom plate 1, and bolt guide sleeve 2 is respectively fixedly connected with fixed hole;Handle 4 is connected with positioning mandrel 3 by connecting bolt 5.

[0019] As Figure 2 Shown, fixed bottom plate 1 is steel sheet, its outer circle is cut into arc, satisfies lightweight design.

[0020] As Figure 3 Shown, bolt guide sleeve 2 is cut from stainless steel pipe, its head adopts chamfer, and the tail of bolt guide sleeve 2 is bonded and fixedly connected with fixed hole on fixed bottom plate 1 by solidifying glue, and assembly bolt is guided during assembly.

[0021] As Figure 4 Shown, positioning mandrel 3 is formed by turning, and is bonded by solidifying glue with the interference fit of the center hole of fixed bottom plate 1;One end of positioning mandrel 3 is provided with threaded hole, can quickly and accurately position crankshaft center hole and restrictor spline groove.

[0022] As shown in Figure 5 The handle 4 is formed by turning; the center of the handle 4 is drilled with a through hole, and is connected with the positioning mandrel 3 through the through hole.

[0023] As shown in Figure 6 The connecting bolt 5 is formed by machining and is turned; the positioning of the positioning mandrel 3 and the bolt guide sleeve 2 is realized synchronously.

[0024] The present assembly adopts 6 bolt guide sleeves 2 to guide and prevent skewing of the assembly bolts; the positioning mandrel 3 is inserted into the center hole of the crankshaft to position the indexing circle of the integrated torque limiter bolt, and the handle 4 is fixed to complete the positioning requirements of assembly.

[0025] The positioning mandrel 3 is inserted into the center hole of the limiter for positioning; the bolt guide sleeve 2 is aligned and inserted into the limiter mounting bolt hole by rotating the handle, and the positioning is realized;

[0026] Loading (loading the mounting bolt into the limiter): the mounting bolt is thrown into the limiter bolt hole through the bolt guide sleeve 2, and the loading of the mounting bolt is completed.

[0027] Transportation and installation: the limiter and the mounting bolt inserted into the assembly tool are synchronously transferred to the installation position of the large end of the engine crankshaft, the small end of the positioning mandrel is inserted into the center hole of the large end of the crankshaft, the assembly positioning is completed, the fixed base plate is rotated, the bolt guide sleeve is aligned with the crankshaft bolt mounting hole, and the pre-tightening of the mounting bolt is performed.

[0028] When the limiter bolt assembly tool is used, the operator takes the handle, inserts the positioning mandrel 1 into the integrated torque center spline hole, rotates the handle for fine adjustment, inserts the bolt guide sleeve 2 into the bolt mounting hole of the integrated torque limiter, realizes the guidance of the mounting bolt into the mounting hole, and compares the accuracy of the bolt seated in the mounting hole with and without the tool, and the comparison of the qualified rate is as follows:

[0029]

[0030] The operation of the operator using the assembly tool assembly and not using the tool assembly is compared as follows:

[0031]

[0032] The operation of the operator using the tool assembly is significantly better than that of not using the tool assembly, the assembly step time is increased by an average of 42.49%, the overall work station time is increased by 37.79%, the rapid positioning can be realized, the assembly quality can be effectively guaranteed, and the production efficiency is significantly improved.

[0033] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above specific embodiments, and the above specific embodiments and the description in the specification are only for further illustrating the principle of the present application. Without departing from the spirit of the present application, the present application can have various changes and improvements, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the claims and their equivalents.

Claims

1. An assembly tool for rapid positioning of an integrated torque limiter bolt, characterized in that It comprises a fixed bottom plate, a positioning mandrel, a bolt guide sleeve, a handle and a connecting bolt; the fixed bottom plate is sleeved with the positioning mandrel at the center, six fixed holes are evenly arranged around the center on the fixed bottom plate, and the bolt guide sleeves are fixedly connected with the fixed holes respectively; the handle is connected with the positioning mandrel through the connecting bolt.

2. The assembly tool for quickly positioning an integrated torque limiter bolt according to claim 1, wherein The fixed bottom plate is a steel plate, and the outer ring thereof is cut into an arc shape.

3. The assembly tool for quickly positioning an integrated torque limiter bolt according to claim 1, wherein The bolt guide sleeve is cut from a stainless steel pipe, the head thereof is chamfered, and the tail of the bolt guide sleeve is bonded and fixedly connected with the fixed hole on the fixed bottom plate through solidified glue.

4. The assembly tool for quickly positioning an integrated torque limiter bolt according to claim 1, wherein The positioning mandrel is formed through turning processing, is in interference fit with the center hole of the fixed bottom plate and is bonded through solidified glue; and a threaded hole is arranged at one end of the positioning mandrel.

5. The assembly tool for quickly positioning an integrated torque limiter bolt according to claim 1, wherein The handle is formed through turning processing; a through hole is drilled at the center of the handle, and the handle is connected with the positioning mandrel through the through hole.

6. The assembly tool for quickly positioning an integrated torque limiter bolt according to claim 1, wherein The connecting bolt is formed through machining and is turned with threads.

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