CN214723874U

CN214723874U - Excavator bucket tooth dismouting frock

Info

Publication number: CN214723874U
Application number: CN202120563898.9U
Authority: CN
Inventors: 张翘楚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-16
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to a dismouting frock especially relates to an excavator bucket tooth dismouting frock, belongs to mechanical technical field. The utility model discloses a structure includes first functional area spanner, with first functional area spanner complex second functional area drive bolt and with drive bolt complex third functional area spanner, the one end of first functional area spanner is equipped with the round pin axle that corresponds with the bucket tooth round pin axle, and the other end that deviates from the round pin axle is equipped with the screw thread seat of settling drive bolt, drive bolt's one end be equipped with screw thread seat complex screw rod, the other end is equipped with the transmission that corresponds with third functional area spanner. The utility model relates to a simple and easy mechanized device installs and removes swift convenience, reduces excavator driver intensity of labour, reliability height, is particularly useful for consuming that the tooth is fast, change frequent chisel stone occasion etc. improves work efficiency, reduction of engineering time limit for a project greatly.

Description

Excavator bucket tooth dismouting frock

Technical Field

The utility model relates to a dismouting frock especially relates to an excavator bucket tooth dismouting

Frock belongs to mechanical technical field.

Background

The excavator is one of the most important construction machines of multi-purpose earth and rockfill engineering, the bucket tooth at the front part of the excavator is the tail end of a working device of the excavator, the excavator is most subjected to load and impact, the abrasion speed is extremely high, if the bucket tooth is not replaced in time, the working efficiency is greatly reduced, the oil consumption is increased, and an applicant finds that a common assembly and disassembly tool is mainly a knocking tool when participating in social practice, the working efficiency is greatly influenced because the bucket tooth interval is small and the middle part cannot be centered and knocked, the impact force can also abrade and deform the shaft pin and the end part of the knocking tool, so that the shaft pin and the end part of the knocking tool cannot be repeatedly used, and meanwhile, potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems in the prior art, the invention provides

The utility model provides an excavator bucket tooth dismouting frock, ensures the round pin axle reliability, improves work efficiency, reduces workman intensity of labour, through quiet power extrusion frock, turns into great axial force with less torsion, reaches the purpose of light dismouting.

In order to achieve the above purpose, the utility model discloses an excavator bucket tooth dismouting frock, including first functional area spanner, with first functional area spanner complex second functional area drive bolt and with drive bolt complex third functional area spanner, the one end of first functional area spanner is equipped with the round pin axle that corresponds with bucket tooth round pin axle, and the other end that deviates from the round pin axle is equipped with the screw thread seat of settling drive bolt, drive bolt's one end be equipped with screw thread seat complex screw rod, the other end is equipped with the transmission that corresponds with third functional area spanner.

The first functional area wrench and the third functional area wrench are composed of a clamping part and a handle part, the handle part length of the first functional area wrench is matched with the disassembling torque of the bucket tooth pin shaft, and the pin shaft and the thread seat are located on the clamping part of the first functional area wrench. The handle part of the first functional area wrench is provided with the lengthened arm, and the end part of the lengthened arm is provided with the handle, so that the wrench is convenient to hold; the handle part of the third functional area wrench is provided with a power arm which is convenient to operate and is flexibly arranged. In order to prolong the service life, the end part of the pin shaft can be subjected to heat treatment to increase the surface hardness; the diameter of the pin shaft is slightly smaller than that of the bucket tooth pin shaft for convenient assembly and disassembly; the length of the pin shaft can be properly adjusted according to the distance between the bucket teeth; the shape of the first functional area wrench can be designed in various ways, and the shape of the first functional area wrench can be processed by square steel, round steel or thick steel plates.

The size and the thread pitch of the internal thread of the threaded seat are matched with the length of the bucket tooth pin shaft. The size of the thread can be adjusted according to the matching precision and size of the bucket tooth pin shaft, and the length of the thread is properly set according to the interval of the bucket teeth.

The length of the screw is matched with the distance between the bucket teeth and the length of the bucket tooth pin shaft.

And the transmission device at the other end of the driving bolt is a hexagonal hole, a splined hole, a flat milled hole on the opposite side or a uniformly distributed hole.

When the driving structure is the uniform distribution hole, the clamping part of the wrench in the third functional area is a pin shaft structure with one end matched with the uniform distribution hole, and the other end of the wrench is a handle pressing structure.

And one end of the wrench in the third functional area is provided with a driving structure matched with the transmission device in the second functional area. The driving structure of the third functional area wrench is an inner hole handle matched with the driving bolt.

And the handle part of the wrench in the third functional area is sleeved with a force application rod.

The driving structure of the third functional area wrench can have various matching structures, the matching structures can be any structure such as hexagonal holes, spline holes, opposite-side milling flat or uniform distribution punching, and the matching size is properly set according to the torque force.

The utility model discloses can accomplish installing and removing of round pin axle through following four kinds of structures:

the first structure is in the form of a hexagonal hole machined according to standard hex bolt dimensions.

The second structure is a spline hole which can be matched with four or six uniformly distributed teeth and the like.

The third structure is a structure for milling flat holes on opposite sides.

The fourth structure can adopt a uniformly distributed punching structure.

When the device is used, the second function area driving bolt is screwed into the first function area wrench by a proper depth, and the length after screwing is based on just putting between bucket teeth; placing the screwed tool between bucket teeth, and adjusting a proper angle of a wrench in the first functional area to facilitate disassembly and assembly; aligning a first functional area wrench pin shaft with a bucket tooth pin shaft; and screwing out the driving bolt to the length of the distance between the bucket teeth, and then screwing out the driving bolt anticlockwise by using a general open-ended wrench or a special open-ended wrench so as to disassemble the pin shaft (note: the structure is a standard hexagon bolt structure).

The utility model relates to a simple and easy mechanized device installs and removes swift convenience, reduces excavator driver intensity of labour, reliability height, is particularly useful for consuming that the tooth is fast, change frequent chisel stone occasion etc. improves work efficiency, reduction of engineering time limit for a project greatly.

Drawings

Fig. 1 is a schematic diagram of three functional areas of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Fig. 3 shows a first alternative structure of the present invention.

Fig. 4 shows a second alternative structure of the present invention.

Detailed Description

The basic structure of the excavator bucket tooth mounting and dismounting tool of the following embodiment is shown in fig. 1, and comprises a first functional area wrench 1, a second functional area driving bolt 2 and a third functional area wrench 3 which are matched with a bucket tooth pin shaft. The paired pin shafts of the first functional area can be correspondingly paired and adjusted according to the diameter and the position of the bucket tooth pin shaft; the driving bolt of the second functional area can be designed to be in threaded fit with a corresponding size according to the precision of fit of the bucket tooth pin shaft and the size of twisting; the spanner 3 of the third functional area can be designed in a corresponding matching structure according to the size of the assembling and disassembling force, the length of the spanner can be properly designed according to the size of the assembling and disassembling force, and the length and the structure of the handles of the two spanners can be flexibly designed according to the labor-saving requirement. The method comprises the following specific steps:

example 1

The structure of this embodiment is as shown in fig. 2, an excavator bucket tooth dismouting frock, including first functional area spanner 1, with first functional area spanner 1 complex second functional area drive bolt 2 and with drive bolt 2 complex third functional area spanner 3, the one end of first functional area spanner 1 is equipped with round pin axle 1-1 corresponding with bucket tooth round pin axle 4 on the bucket tooth 5, the other end that deviates from round pin axle 1-1 is equipped with the screw thread seat 1-3 of settling drive bolt, the one end of drive bolt 2 is equipped with screw rod 2-1 with screw thread seat complex, the other end is equipped with transmission 2-2 corresponding with third functional area spanner, this transmission 2-2 is hexagonal hole, the splined hole, opposite side mill flat hole or equipartition hole. When the driving structure is uniformly distributed holes, the clamping part of the wrench in the third functional area is of a pin shaft structure with one end matched with the uniformly distributed holes, and the other end of the wrench is of a handle pressing structure. One end of the third functional area wrench is provided with a driving structure 3-1 matched with the transmission device of the second functional area, and the driving structure 3-1 is an inner hole handle matched with the driving bolt 2. The first functional area wrench 1 and the third functional area wrench 3 are composed of a clamping part at the upper end and a handle part at the lower end, the length of the handle part 1-2 of the first functional area wrench is matched with the disassembling moment of the bucket tooth pin shaft 4, and the pin shaft 1-1 and the thread seat 1-3 are positioned at the clamping part of the first functional area wrench 1. The handle part 3-2 of the wrench in the third functional area is sleeved with a force application rod. When necessary, the handle part of the first functional area can be provided with an elongated arm, and the end part of the elongated arm is provided with a handle; the handle part 3-2 of the wrench in the third functional area is provided with a power arm. The size and the thread pitch of the internal threads of the thread seats 1-3 are matched with the length of the bucket tooth pin shaft 4. The length of the screw rod is matched with the distance between the bucket teeth and the length of the bucket tooth pin shaft.

When in use, the pin shaft dismantling process is as follows: screwing the driving bolt 2 into the wrench thread seat 1-3, sleeving the wrench 3 into the thread of the driving bolt 2, and adjusting the screwing depth of the driving bolt 2 to be suitable for placing between the bucket teeth 5; at the moment, the whole tool is placed between bucket teeth, a pin shaft 1-1 at one end of a wrench 1 is aligned to a pin shaft to be disassembled of the bucket teeth of the excavator, the angle of a handle part 1-2 of the wrench is adjusted, and a driving bolt 2 is screwed out until the tool cannot be screwed; at the moment, the wrench 3 is sleeved into the driving bolt 2, the angles of the

wrenches

1 and 2 are integrally adjusted to the convenient force application angles, the

wrenches

1 and 3 are respectively held by two hands, the two wrenches are rotated in the direction of screwing out the driving bolt 2, the force is large initially, the two wrenches are continuously rotated after slight looseness occurs, and the wrench 3 is retracted to the left thread when the force is not applied conveniently; at this time, the driving bolt 2 can be directly and manually screwed out, if the driving bolt cannot be screwed out manually, the wrench 3 is continuously sleeved in until the driving bolt 2 is at a proper angle, and the screwing-out operation is repeated until the bucket tooth pin is dismounted. Withdraw from spanner 3 to the left, manually twist into drive bolt 2, wholly take out the frock, accomplish dismantling smoothly of round pin axle promptly.

The pin shaft installation process is as follows: connecting the bucket teeth 5 with the excavator bucket 6 through the bucket tooth pin shaft 4 until the bucket tooth pin shaft 4 is pressed still, screwing the driving bolt 2 into the threads of the wrenches 1-3, sleeving the wrench 3 into the threads of the driving bolt 2, and adjusting the screwing depth of the driving bolt 2, wherein the screwing depth is preferably set between the bucket teeth and the bucket tooth pin shaft; at the moment, the whole tool is placed between the bucket tooth and the bucket tooth pin shaft, a pin shaft 1-1 at one end of the wrench 1 is aligned with a bucket tooth to-be-installed pin shaft of the excavator, the handle angle of the wrench 1-2 is adjusted, and the driving bolt 2 is screwed out until the driving bolt cannot be screwed; at the moment, the wrench 3 is sleeved into the driving bolt 2, the angles of the

wrenches

1 and 2 are integrally adjusted to the convenient force application angle, the

wrenches

1 and 3 are respectively held by two hands, and the two wrenches are rotated in the direction of screwing out the driving bolt 2; the pin shaft is tightened more and more along with the deepening of the screwing depth, the screwing force is increased more and more, the tool is moved properly when the bucket tooth pin shaft is aligned with the bucket tooth, the pin shaft 1-1 is partially exposed out of the bucket tooth pin shaft, the driving bolt 2 is screwed out continuously until the bucket tooth pin shaft is not screwed (at the moment, the bucket tooth pin shaft is aligned with the bucket tooth exactly); at this moment, the driving bolt 2 is slightly screwed in, and the tool is integrally moved out, so that the smooth installation of the pin shaft is completed.

Example 2

As shown in fig. 3, the present embodiment has substantially the same structure as embodiment 1, and the using method is the same, except that: the end part of the driving bolt 2 does not adopt a special spanner 3 matched with a hexagonal hole, a splined hole, a flat milled opposite side and the like, but directly adopts a standard outer hexagon bolt structure, and the driving bolt is screwed in and out by matching a general open-ended spanner or a special open-ended spanner.

Example 3

As shown in fig. 4, the present embodiment has substantially the same structure as embodiment 1, except that: spanner 1 and spanner 3 do not all directly adopt extension spanner, process the equipartition hole on spanner 1 and drive bolt, realize twisting the purpose of twisting out drive bolt through emboliaing dedicated extension bar.

When the tool is used in the embodiment, the diameter of the pin shaft 1-1 of the wrench 1 as a disassembling tool is slightly smaller than that of the bucket tooth pin shaft; when the tool is installed, the tool can be slightly larger than the bucket tooth pin shaft, or a thin plate is placed at the end part of the tool, and the thin plate is required to be flatly attached to the bucket tooth during installation.

The special assembly and disassembly tool is adopted in the above embodiment, the requirements of bucket tooth pin shafts of different specifications can be met, the labor intensity of workers is greatly reduced, the assembly and disassembly reliability is ensured, and the production efficiency is obviously improved.

In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims

1. The utility model provides an excavator bucket tooth dismouting frock which characterized in that: including first functional area spanner, with first functional area spanner complex second functional area drive bolt and with drive bolt complex third functional area spanner, the one end of first functional area spanner is equipped with the round pin axle that corresponds with bucket tooth round pin axle, and the other end that deviates from the round pin axle is equipped with the screw thread seat of settling drive bolt, the one end of drive bolt be equipped with screw thread seat complex screw rod, the other end be equipped with the transmission that corresponds with third functional area spanner.

2. The excavator bucket tooth dismouting frock of claim 1 characterized in that: the first functional area wrench and the third functional area wrench are composed of a clamping part and a handle part, the handle part length of the first functional area wrench is matched with the disassembling torque of the bucket tooth pin shaft, and the pin shaft and the thread seat are located on the clamping part of the first functional area wrench.

3. The excavator bucket tooth dismouting frock of claim 2, its characterized in that: the handle part of the first functional area wrench is provided with an elongated arm, and the end part of the elongated arm is provided with a handle; and a handle part of the wrench in the third functional area is provided with a power arm.

4. The excavator bucket tooth dismouting frock of claim 1 characterized in that: the size and the thread pitch of the internal thread of the threaded seat are matched with the length of the bucket tooth pin shaft.

5. The excavator bucket tooth dismouting frock of claim 1 characterized in that: the length of the screw is matched with the distance between the bucket teeth and the length of the bucket tooth pin shaft.

6. The excavator bucket tooth dismouting frock of claim 1 characterized in that: and the transmission device at the other end of the driving bolt is a hexagonal hole, a splined hole, a flat milled hole on the opposite side or a uniformly distributed hole.

7. The excavator bucket tooth dismouting frock of claim 6 characterized in that: when the driving structure is uniformly distributed holes, the clamping part of the wrench in the third functional area is of a pin shaft structure with one end matched with the uniformly distributed holes, and the other end of the wrench is of a handle pressing structure.

8. The excavator bucket tooth dismouting frock of claim 1 characterized in that: one end of the third functional area wrench is provided with a driving structure matched with the transmission device of the second functional area.

9. The excavator bucket tooth dismouting frock of claim 1 characterized in that: the driving structure of the third functional area wrench is an inner hole handle matched with the driving bolt.

10. The excavator bucket tooth dismouting frock of claim 2, its characterized in that: and the handle part of the wrench in the third functional area is sleeved with a force application rod.