Auxiliary assembling device for propeller speed regulator counterweight assembly

Abstract

The utility model discloses an auxiliary assembling device for a propeller speed regulator counterweight assembly, which relates to the technical field of speed regulator mounting tools and comprises a positioning pin, a base, a clamping assembly and a compression bolt. The positioning pin is used for being arranged in the mounting holes of the counterweight arm and the two rollers in a penetrating manner to form a pre-mounting piece; a first connecting hole and a first limiting surface are arranged on the base, and a penetrating through hole is formed in the first limiting surface; a second connecting hole is formed in one end of the clamping assembly, and a clamping groove is formed in the other end of the clamping assembly; the compression bolt is in threaded connection in the first connecting hole through the second connecting hole; the end, provided with the clamping groove, of the clamping assembly can rotate to the position above the first limiting face. A gap between the first limiting face and the end, provided with the clamping groove, of the clamping assembly is used for containing a pre-installation piece. The axis of the clamping groove can be coaxial with the axis of the positioning pin and the axis of the penetrating hole. Time and labor are saved, and installation work efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of speed governor installation tools, in particular to an auxiliary assembly device for a propeller speed governor counterweight component. Background Art

[0002] The governor counterweight assembly plays an important role in the mechanical system. It is mainly used to adjust the operating speed to adapt to different working conditions and requirements. The governor counterweight assembly controls the speed of the machine by changing the moment of inertia or torque of the machine. This helps to ensure that the machine can maintain a stable operating speed under various load conditions, improving the machine's operating efficiency and performance. In addition, the governor counterweight assembly can also balance the machine and reduce vibration and noise.

[0003] The installation of the counterweight arm and the two rollers of the counterweight assembly requires convenience and flexibility, but most of the current installation is done manually. Since the counterweight assembly is a small component and the mounting pins used to connect the counterweight arm and the two rollers are installed in the mounting holes of the counterweight arm and the rollers with an interference fit, direct manual installation is time-consuming and labor-intensive, and has low work efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide an auxiliary assembly device for a propeller speed governor counterweight assembly to solve the problems existing in the above-mentioned prior art, save time and labor, and improve installation work efficiency.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides an auxiliary assembly device for a propeller speed governor counterweight assembly, comprising a locating pin, a base, a clamping assembly and a clamping bolt; the locating pin is used to penetrate into the mounting holes of a counterweight arm and two rollers, and the outer diameter of the locating pin is smaller than the inner diameter of the mounting holes of the counterweight arm and the rollers; the counterweight arm and the two rollers equipped with the locating pin form a pre-installed part; the base is provided with a first connecting hole and a first limiting surface, and a through hole is provided on the first limiting surface; the clamping assembly comprises a first clamping claw and a second clamping claw, the first clamping claw has a first end and a second end, the second clamping claw has a third end and a fourth end, the first end of the first clamping claw and the third end of the second clamping claw are both provided with a second connecting hole; the first clamping claw The two ends and the fourth end of the second clamping claw are both provided with clamping grooves for placing mounting pins; the threaded end of the clamping bolt passes through the second connecting holes of the first clamping claw and the second clamping claw in turn and is threadedly connected in the first connecting hole; after loosening the clamping bolt, the first clamping claw and the second clamping claw can respectively rotate around the axis of the clamping bolt; and the second end of the first clamping claw and the fourth end of the second clamping claw can both rotate around the axis of the clamping bolt to above the first limiting surface; the gap between the first limiting surface and the second end of the first clamping claw and the fourth end of the second clamping claw is used to place the pre-installed part; the axis of the clamping groove can be coaxial with the axis of the positioning pin and the through hole.

[0007] Preferably, it also includes a limit pin; a first limit hole with a bottom blockage is provided on the base, and a second limit hole is provided on the first clamping claw and the second clamping claw; when the limit pin is located in the second limit hole and the first limit hole, the second end of the first clamping claw and the fourth end of the second clamping claw are both located above the first limit surface, and the first clamping claw and the second clamping claw cannot rotate around the axis of the clamping bolt.

[0008] Preferably, the base includes a base and a positioning block; the base is provided with a first through hole and a first accommodating hole with a bottom block; the positioning block is provided with a second through hole and a third through hole; after one end of the base is docked with one end of the positioning block, the first through hole is docked with the second through hole, and the inner diameters of the first through hole and the second through hole are the same; the first accommodating hole is docked with the third through hole, and the inner diameters of the first accommodating hole and the third through hole are the same; the first through hole and the second through hole jointly form the through hole; the third through hole and the first accommodating hole jointly form the first limiting hole.

[0009] Preferably, a washer is also sleeved on the clamping bolt.

[0010] Preferably, a third limiting hole is provided at one end of the clamping groove away from the through hole; the third limiting hole is coaxial with the clamping groove and is connected at one end; the third limiting hole has a second limiting surface at one end close to the through hole; the third limiting hole is used to accommodate the end of the mounting pin, and the second limiting surface can limit the end of the mounting pin from moving along the axial direction of the clamping groove toward the side close to the through hole.

[0011] Preferably, both ends of the locating pin can extend out of the mounting hole at the end of the counterweight arm.

[0012] Compared with the prior art, the utility model has achieved the following technical effects:

[0013] The auxiliary assembly device for the propeller speed governor counterweight assembly provided by the utility model adopts a positioning pin slightly smaller than the mounting holes on the counterweight arm and the two rollers, which is directly inserted manually, so that the counterweight arm and the two rollers to be installed are pre-installed first; then the pre-installed part is placed on the base, and the first limiting surface and the end of the clamping assembly away from the clamping bolt (that is, the second end of the first clamping claw and the fourth end of the second clamping claw) are pressed and fixed together; then the installation pin is inserted into the clamping groove, and an external force is applied to the end of the installation pin to make the installation The pin gradually pushes out of the positioning pin and penetrates the counterweight arm and the two rollers to complete their assembly connection; the positioning pin is used as a guide for the installation of the mounting pin, and the positioning pin can ensure the coaxial effect of the mounting holes of the counterweight arm and the two rollers; based on the fact that the mounting pin is installed in the mounting holes of the counterweight arm and the two rollers in an interference fit manner, and the component size is small, it is inconvenient to install it directly manually. By adopting the above auxiliary assembly device for the propeller speed governor counterweight assembly, it can make its installation more convenient and flexible, save time and effort, and improve the installation work efficiency.

[0014] Furthermore, the setting of the limit pin can limit the rotation of the first clamping claw and the second clamping claw around the axial direction of the clamping bolt. Firstly, it can ensure the coincidence effect between the center of the clamping groove and the center of the through hole, thereby facilitating the installation of the mounting pin; secondly, it can ensure that the end of the clamping assembly away from the clamping bolt can be firmly pressed against one side of the counterweight arm, ensuring a good crimping effect.

[0015] Furthermore, the base is composed of two parts: a base and a positioning block. After the connection between the counterweight arm and the two rollers and the mounting pin is completed, the base can be removed to expose the lower end of the limit pin, thereby facilitating the removal of the limit pin; and when the base is placed in a vertical position with the axis of the first through hole, the positioning pin located in the first through hole can be dropped and taken out.

[0016] Furthermore, the provision of the washer can make the clamping bolt have a certain elastic clamping effect, thereby preventing the end of the clamping assembly away from the clamping bolt from rigidly crimping the counterweight arm and causing damage to the counterweight arm.

[0017] Furthermore, the provision of the third limiting hole can limit the installation position of the installation pin, making it easier to install it in place.

[0018] Furthermore, both ends of the positioning pin are provided with end mounting holes that can extend out of the counterweight arm, which is convenient for placement in the perforation and clamping groove, so that it can be clamped more accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 The overall structural schematic diagram of the auxiliary assembly device for the propeller speed governor counterweight assembly provided by the utility model;

[0021] Figure 2 A schematic cross-sectional structure diagram of an auxiliary assembly device for a propeller speed governor counterweight assembly provided by the utility model;

[0022] Figure 3 for Figure 1 Top view of the .

[0023] In the figure:

[0024] 100 - Auxiliary assembly device for propeller speed governor counterweight assembly;

[0025] 10-base; 11-base; 111-first through hole; 112-first accommodating hole; 12-positioning block; 121-first limiting surface; 122-first connecting hole; 123-second through hole; 124-third through hole;

[0026] 20- positioning pin;

[0027] 30-clamping assembly; 31-first clamping claw; 32-second clamping claw; 33-second connecting hole; 34-clamping groove; 341-third limiting hole; 342-second limiting surface; 35-second limiting hole;

[0028] 40-tightening bolt; 41-washer;

[0029] 50-limit pin;

[0030] 60-Counterweight arm;

[0031] 70-Roller. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] The purpose of the utility model is to provide an auxiliary assembly device for a propeller speed governor counterweight assembly and a use method thereof, so as to solve the problems existing in the prior art, save time and labor, and improve the efficiency of installation work.

[0034] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0035] Embodiment 1

[0036] This embodiment provides an auxiliary assembly device 100 for a propeller speed governor counterweight assembly, such as Figure 1 to Figure 3 As shown, it includes a locating pin 20, a base 10, a clamping assembly 30 and a clamping bolt 40; the locating pin 20 is used to penetrate into the mounting holes of the counterweight arm 60 and the two rollers 70, and the outer diameter of the locating pin 20 is smaller than the inner diameter of the mounting holes of the counterweight arm 60 and the rollers 70; the counterweight arm 60 and the two rollers 70 equipped with the locating pin 20 form a pre-installed component; the base 10 is provided with a first connecting hole 122 and a first limiting surface 121, and the first limiting surface 121 is provided with a through hole; the clamping assembly 30 includes a first clamping claw 31 and a second clamping claw 32, the first clamping claw 31 has a first end and a second end, the second clamping claw 32 has a third end and a fourth end, the first end of the first clamping claw 31 and the third end of the second clamping claw 32 are both provided with a second connecting hole 33; the first clamping The second end of the claw 31 and the fourth end of the second clamping claw 32 are both provided with a clamping groove 34 for placing the installation pin; the threaded end of the clamping bolt 40 passes through the second connecting holes 33 of the first clamping claw 31 and the second clamping claw 32 in turn and is threadedly connected in the first connecting hole 122; after loosening the clamping bolt 40, the first clamping claw 31 and the second clamping claw 32 can respectively rotate around the axis of the clamping bolt 40; and the second end of the first clamping claw 31 and the fourth end of the second clamping claw 32 can both rotate around the axis of the clamping bolt 40 to above the first limiting surface 121; the gap between the first limiting surface 121 and the second end of the first clamping claw 31 and the fourth end of the second clamping claw 32 is used to place the pre-installed part; the axis of the clamping groove 34 can be coaxial with the axis of the positioning pin 20 and the through hole.

[0037] A positioning pin 20 slightly smaller than the mounting holes on the counterweight arm 60 and the two rollers 70 is manually inserted directly, so that the counterweight arm 60 and the two rollers 70 to be installed are pre-installed first; then the pre-installed part is placed on the base 10, and the first limiting surface 121 and the end of the clamping assembly 30 away from the clamping bolt 40 (that is, the second end of the first clamping claw 31 and the fourth end of the second clamping claw 32) are pressed and fixed together; then the installation pin is inserted into the clamping groove 34, and an external force is applied to the end of the installation pin, so that the installation pin is gradually pushed out of the positioning pin 20 and inserted It is arranged on the counterweight arm 60 and the two rollers 70 to complete the assembly connection; the positioning pin 20 is used as a guide for the installation of the mounting pin, and the positioning pin 20 can ensure the coaxial effect of the mounting holes of the counterweight arm 60 and the two rollers 70; based on the fact that the mounting pin is installed in the mounting holes of the counterweight arm 60 and the two rollers 70 in an interference fit manner, and the component size is small, it is inconvenient to directly install it manually. By adopting the above auxiliary assembly device 100 for the propeller speed governor counterweight assembly, it can make its installation more convenient and flexible, save time and effort, and improve the installation work efficiency.

[0038] Specifically, the clamping groove 34 can be opened and closed: taking the opening of the clamping groove 34 as an example, the first clamping claw 31 can rotate to one side around the axis of the clamping bolt 40, and the second clamping claw 32 can rotate to the other side around the axis of the clamping bolt 40, thereby realizing the opening of the clamping groove 34.

[0039] Among them, regarding the implementation method of pressing the clamping assembly 30 on one side of the counterweight arm 60:

[0040] Specifically, the implementation of the end of the clamping assembly 30 away from the clamping bolt 40 being pressed against the counterweight arm 60 includes but is not limited to the following two methods: First, based on the fact that the clamping bolt 40 can lock the clamping assembly 30, the clamping assembly 30 can be realized by the friction between the clamping assembly 30 and the base 10 and one side of the counterweight arm 60, so as to realize that the end of the clamping assembly 30 away from the clamping bolt 40 is pressed against one side of the counterweight arm 60 (specifically, a flexible layer can also be provided on the crimping surface of the end of the clamping assembly 30 away from the clamping bolt 40 for crimping on one side of the counterweight arm 60, which has two functions: first, it can increase the friction between it and one side of the counterweight arm 60; second, it can reduce the friction damage caused by rigid contact on the crimping side of the counterweight arm 60); second, the relative position of the end of the clamping assembly 30 away from the clamping bolt 40 can also be realized by the limit pin 50, as follows:

[0041] Among the optional solutions of this embodiment, it is more preferred that Figure 1 to Figure 3As shown, the limiting pin 50 is also included; the base 10 is provided with a first limiting hole with a bottom blocking, and the first clamping claw 31 and the second clamping claw 32 are provided with a second limiting hole 35; when the limiting pin 50 is located in the second limiting hole 35 and the first limiting hole, the second end of the first clamping claw 31 and the fourth end of the second clamping claw 32 are both located above the first limiting surface 121, and the first clamping claw 31 and the second clamping claw 32 cannot rotate around the axis of the clamping bolt 40. The setting of the limiting pin 50 can limit the rotation of the first clamping claw 31 and the second clamping claw 32 in the direction around the axis of the clamping bolt 40. Firstly, it can ensure that the center of the clamping groove 34 coincides with the center of the through hole, thereby facilitating the installation of the installation pin; secondly, it can ensure that the end of the clamping assembly 30 away from the clamping bolt 40 can be firmly pressed on one side of the counterweight arm 60, ensuring a good crimping effect.

[0042] The structure of the base 10 is as follows:

[0043] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2 As shown, the base 10 includes a base 11 and a positioning block 12; a first through hole 111 and a first accommodating hole 112 with a bottom block are provided on the base 10; a second through hole 123 and a third through hole 124 are provided on the positioning block 12; after one end of the base 11 is docked with one end of the positioning block 12, the first through hole 111 is docked with the second through hole 123, and the inner diameters of the first through hole 111 and the second through hole 123 are the same; the first accommodating hole 112 is docked with the third through hole 124, and the inner diameters of the first accommodating hole 112 and the third through hole 124 are the same; the first through hole 111 and the second through hole 123 jointly form a through hole; the third through hole 124 and the first accommodating hole 112 jointly form a first limiting hole. The base 10 is composed of two parts: a base 11 and a positioning block 12. After the counterweight arm 60 and the two rollers 70 are connected to the mounting pin, the base 11 is removed to expose the lower end of the limit pin 50, thereby facilitating the removal of the limit pin 50. When the base 11 is placed in a vertical position with the axis of the first through hole 111, the positioning pin 20 located in the first through hole 111 can be dropped and taken out.

[0044] Among them, the accessories arranged on the clamping bolt 40 are as follows:

[0045] Among the optional solutions of this embodiment, it is more preferred that Figure 1 to Figure 3 As shown, a washer 41 is also sleeved on the clamping bolt 40. The arrangement of the washer 41 enables the clamping bolt 40 to have a certain elastic compression effect, thereby preventing the end of the clamping assembly 30 away from the clamping bolt 40 from rigidly pressing the counterweight arm 60 and causing damage to the counterweight arm 60.

[0046] In order to ensure that the installation pin is inserted into the installation hole of the counterweight arm 60, the following settings can be made:

[0047] Among the optional solutions of this embodiment, it is more preferred that Figure 2 As shown, a third limiting hole 341 is provided at one end of the clamping groove 34 away from the through hole; the third limiting hole 341 is coaxial with the clamping groove 34 and one end is connected; the third limiting hole 341 has a second limiting surface 342 at one end close to the through hole, and the third limiting hole 341 is used to accommodate the end of the installation pin, and the second limiting surface 342 can limit the end of the installation pin from moving along the axis direction of the clamping groove 34 to the side close to the through hole. The provision of the third limiting hole 341 can limit the installation position of the installation pin, making it easy to install in place.

[0048] In order to ensure that the pre-installed parts can be stably and quickly placed on the auxiliary assembly device 100 for the propeller speed governor counterweight assembly, the following settings can also be made:

[0049] Among the optional solutions of this embodiment, it is more preferred that Figure 2 As shown, both ends of the locating pin 20 can extend out of the mounting holes at the end of the counterweight arm 60. Both ends of the locating pin 20 are equipped with mounting holes at the end of the counterweight arm 60, which are conveniently placed in the perforated and clamping groove 34 so that it can be clamped more accurately.

[0050] Among them, regarding the structure of the clamping assembly 30:

[0051] Specifically, a first semicircular clamping groove 34 is provided at one end of the first clamping claw 31 away from the clamping bolt 40; a second semicircular clamping groove 34 is provided at one end of the second clamping claw 32 away from the clamping bolt 40; the first semicircular clamping groove 34 and the second semicircular clamping groove 34 have the same height in the axial direction thereof, and the first semicircular clamping groove 34 and the second semicircular clamping groove 34 together form a clamping groove 34 that can be opened and closed.

[0052] Among them, about other settings description:

[0053] Specifically, in order to reduce contact friction damage to the counterweight arm 60 , a flexible layer may be provided on the contact surface of the auxiliary assembly device 100 for the propeller speed governor counterweight assembly that is clamped with the counterweight arm 60 .

[0054] Specifically, in order to increase the assembly speed, a conical guiding slope may be provided at the end of the positioning pin 20 and the end of the limiting pin 50 to facilitate the rapid installation of the positioning pin 20 and the limiting pin 50 into the corresponding holes.

[0055] Embodiment 2

[0056] This embodiment provides a method for using the auxiliary assembly device 100 for a propeller speed governor counterweight assembly based on the first embodiment, comprising the following steps:

[0057] S1, the base 10 is fixedly clamped on the caliper with the axis of the perforation in a horizontal posture;

[0058] S2, inserting the positioning pin 20 into the mounting holes of the counterweight arm 60 and the two rollers 70, so that the whole body forms a pre-installed component;

[0059] S3, placing the pre-installed component assembled in S2 between the end of the clamping assembly 30 away from the clamping bolt 40 and the first limiting surface 121, and tightening the clamping bolt 40 so that the end of the clamping assembly 30 away from the clamping bolt 40 is pressed and fixed;

[0060] S4, insert one end of the installation pin into the clamping groove 34, and apply external force to the end of the installation pin so that the installation pin moves along the axial direction of the through hole and is inserted into the pre-installed component.

[0061] Specifically, after the installation pin is installed on the counterweight arm 60 and the two rollers 70, the base 10 can be removed from the caliper first, and then the base 11 can be separated from the positioning block 12. At this time, the lower end of the limit pin 50 is exposed, and the operator removes the positioning pin 20 and loosens the clamping bolt 40 to separate the assembled counterweight arm 60, the two rollers 70 and the installation pin from the auxiliary assembly device 100 for the propeller speed governor counterweight assembly.

[0062] The counterweight arm 60 and the two rollers 70 are pre-installed using the positioning pin 20, and then the pre-installed parts are fixed via the clamping assembly 30 and the first limiting surface 121. With the help of external force applied to the end of the installation pin, the installation pin can be installed more quickly and efficiently under the guidance of the positioning pin 20, saving time and effort and improving work efficiency.

[0063] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. An auxiliary assembly device for a propeller speed governor counterweight assembly, characterized in that: Includes a locating pin, a base, a clamping assembly and a hold-down bolt; The positioning pin is used to penetrate into the mounting holes of the counterweight arm and the two rollers, and the outer diameter of the positioning pin is smaller than the inner diameter of the mounting holes of the counterweight arm and the rollers; the counterweight arm and the two rollers equipped with the positioning pin form a pre-installed component; The base is provided with a first connecting hole and a first limiting surface, and the first limiting surface is provided with a through hole; The clamping assembly comprises a first clamping claw and a second clamping claw, the first clamping claw has a first end and a second end, the second clamping claw has a third end and a fourth end, the first end of the first clamping claw and the third end of the second clamping claw are both provided with a second connecting hole; the second end of the first clamping claw and the fourth end of the second clamping claw are both provided with a clamping groove for placing a mounting pin; The threaded end of the clamping bolt passes through the second connection holes of the first clamping claw and the second clamping claw in sequence and is threadedly connected in the first connection hole; after loosening the clamping bolt, the first clamping claw and the second clamping claw can rotate around the axis of the clamping bolt respectively; The second end of the first clamping claw and the fourth end of the second clamping claw can both rotate around the axis of the clamping bolt to above the first limiting surface; the gap between the first limiting surface and the second end of the first clamping claw and the fourth end of the second clamping claw is used to place the pre-installed component; The axis of the clamping groove can be coaxial with the axes of the positioning pin and the through hole.

2. The auxiliary assembly device for a propeller speed governor counterweight assembly according to claim 1, characterized in that: Also includes limit pins; The base is provided with a first limiting hole with a bottom blocking, and the first clamping claw and the second clamping claw are provided with a second limiting hole; When the limiting pin is located in the second limiting hole and the first limiting hole, the second end of the first clamping claw and the fourth end of the second clamping claw are both located above the first limiting surface, and the first clamping claw and the second clamping claw cannot rotate around the axis of the clamping bolt.

3. The auxiliary assembly device for a propeller speed governor counterweight assembly according to claim 2, characterized in that: The base includes a base and a positioning block; The base is provided with a first through hole and a first accommodating hole blocked at the bottom; the positioning block is provided with a second through hole and a third through hole; After one end of the base is butted against one end of the positioning block, the first through hole is butted against the second through hole, and the inner diameters of the first through hole and the second through hole are the same; the first accommodating hole is butted against the third through hole, and the inner diameters of the first accommodating hole and the third through hole are the same; The first through hole and the second through hole together form the through hole; the third through hole and the first accommodating hole together form the first limiting hole.

4. The auxiliary assembly device for a propeller speed governor counterweight assembly according to claim 1, characterized in that: A washer is also sleeved on the clamping bolt.

5. The auxiliary assembly device for a propeller speed governor counterweight assembly according to claim 1, characterized in that: A third limiting hole is provided at one end of the clamping groove away from the through hole; The third limiting hole is coaxial with the clamping groove and one end is connected; the third limiting hole has a second limiting surface at one end close to the through hole; The third limiting hole is used to accommodate the end of the mounting pin, and the second limiting surface can limit the end of the mounting pin from moving toward the side close to the through hole along the axial direction of the clamping groove.

6. The auxiliary assembly device for a propeller speed governor counterweight assembly according to claim 1, characterized in that: Both ends of the positioning pin can extend out of the mounting hole at the end of the counterweight arm.

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