CN208147262U - The positioning of crawler of excavator frame clamps universal fixture and universal fixture group - Google Patents
The positioning of crawler of excavator frame clamps universal fixture and universal fixture group Download PDFInfo
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- CN208147262U CN208147262U CN201820656974.9U CN201820656974U CN208147262U CN 208147262 U CN208147262 U CN 208147262U CN 201820656974 U CN201820656974 U CN 201820656974U CN 208147262 U CN208147262 U CN 208147262U
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Abstract
A kind of positioning of crawler of excavator frame clamps universal fixture and universal fixture group, it includes tooling cabinet, impeller and a pair of of gripping block that wherein the positioning of crawler of excavator frame, which clamps universal fixture, the upper surface of tooling cabinet opens up a strip gab along its centerline direction, and impeller is along opening direction through in tooling cabinet；A pair of of gripping block includes two gripping blocks, and two gripping blocks are socketed on impeller respectively and can be relatively close or separate with impeller, to clamp workpiece and ensure that two gripping block median planes are overlapped.The utility model is realized that the positioning of workpiece to be processed is clamped or positioned using the cooperation of gripping block and impeller and is strutted, and solves benchmark difference in prior art problem and there is technical issues that；Separately, track frame positioning clamps realization clamping and positions during crawler of excavator frame always welds in groups in this programme, track frame running motor mounting base machines, walker always welds in groups, without replacing clamping tool for different process, to improve processing efficiency, processing cost is reduced.
Description
Technical field
The utility model is the always weldering, the machining of track frame running motor mounting base, row in groups of a kind of pair of crawler of excavator frame
Walk frame always in groups in weldering track frame positioning clamp and the universal fixture that designs, realized using symmetrical clamp is synchronized with distracted principle
Median plane positioning guarantees that technological datum is overlapped with design basis, eliminates the accumulated error generated by benchmark conversion.
Background technique
As shown in Figure 1 to Figure 2, excavator walker assembly A is by left and right track frame A1, A2 and A3 finished product portion of middle frame
Part welding forms, and track frame positioning clamping tool is a part of excavator walker assembly tailor-welding tool, and effect is to realize
The median plane positioning and clamping of track frame guarantees median plane size and the depth of parallelism and left and right motor between left and right track frame A1, A2
Seat face size prevents the problems such as excavator driving running deviation, " one band of four-wheel " abrasion and crawler belt gnaw rail.It needs to guarantee simultaneously
Height dimension makes the working range of complete machine and balance reach optimum value.
As shown in Figures 3 to 5, left and right track frame A1 is track frame assembly B, and track frame B assembly is mainly by running motor
The groups such as mounting base B1, directive wheel mounting base B2, thrust wheel mounting plate B3, crawler belt shell B4, stiffening plate B5, upper track wheel mounting plate B6
At wherein thrust wheel mounting plate B3 points are left and right sides two boards, median plane and positioning of the two median plane as track frame assembly
Datum level.Track frame assembly B is processed using postwelding, and processing content is that running motor mounting base mills face, bore hole, drilling；Thrust wheel
Mounting plate B3 mills face, drilling.Running motor mounting base B1, directive wheel mounting base B2 and thrust wheel mounting plate B3 tandem docking, add
Strong plate B5, crawler belt shell B4 are placed on thrust wheel mounting plate B3 and pass through solder design.
And it is total for the weldering of above-mentioned crawler of excavator frame assembly B group, track frame running motor mounting base B1 machining, walker
For the tool structure that track frame positioning clamps in weldering in groups, current most of factory and enterprises are individually set for above-mentioned technique
The special equipment of meter causes the benchmark of every procedure there are deviation, and deviation increases during replacing clamping tool, therefore directly
The foozle because of caused by technological datum conversion；Meanwhile frock clamp is replaced according to each processing step, directly affect processing
Efficiency, while also increasing cost.
Therefore, how to ensure to ensure that machining benchmark is constant in multiple working procedure, at the same improve processing efficiency, reduce at
This structure shows one of the major issue that those skilled in the art need to solve.
Summary of the invention
The utility model solves the problems, such as it is how to ensure to ensure that machining benchmark is constant in multiple working procedure.
To solve the above problems, the utility model provides a kind of technical side of crawler of excavator frame positioning clamping universal fixture
Case comprising tooling cabinet, impeller and a pair of of gripping block, wherein：
The upper surface of tooling cabinet opens up a strip gab along its centerline direction, and impeller is along opening direction through work
In vivo, which is located at opening lower section for vanning；
A pair of of gripping block include two gripping blocks, two gripping blocks be socketed on respectively impeller and with impeller can it is relatively close or
It is separate, to clamp workpiece and ensure that two gripping block median planes are overlapped.
It is further preferred that the impeller is screw rod, which is arranged in tooling cabinet along strip gab direction, silk
Thick stick both ends stretch out in except tooling cabinet, and two gripping blocks are loaded on respectively on two symmetrical Rotary Districts of screw rod, so that two clamp
Block rotates and relatively close or separate and clamping workpiece with screw rod.
It is further preferred that the screw rod is symmetrically distributed with two rotations with its center line for being located at the intracorporal part of tooling case
Area, and two Rotary Districts offer left-handed thread section and right-handed thread section respectively, two gripping block be respectively left-handed gripping block and
Dextrorotation gripping block, the left-handed gripping block and dextrorotation gripping block can be spirally connected respectively with left-handed thread section and right-handed thread section cooperation.
It is further preferred that it is extension, two extension that the both ends of the lead screw, which are located at the part outside tooling cabinet,
It is respectively sleeved on thrust ball bearing and nut, the thrust ball bearing is arranged close to tooling cabinet, to limit the translation of screw rod, and
Nut buckle is set to outside thrust ball bearing, to lock.
It is further preferred that two gripping block is clamping face, the clamping along the one side of the direction of motion relatively or contrarily
Face is plane, an adjustment block is equipped with by screw on the clamping face, to form the fine tuning structure of each gripping block.
It is further preferred that the tooling cabinet includes pedestal and upper cover plate, the strip gab is opened in upper cover plate, should
Upper cover plate is buckled in the opening face of pedestal.
It is further preferred that be also equipped with two locating pieces on the tooling cabinet, two locating pieces be respectively positioned on two gripping blocks it
Between, each locating piece passes through screw and lock at the strip gab of tooling cabinet, and the clamping face of two gripping block is oppositely arranged,
It is fixed that two gripping blocks are clamped with screw rod rotational energy relatively close movement simultaneously and being formed between each gripping block energy and adjacent locating piece
Bit architecture.
It is further preferred that the clamping face of two gripping block is disposed opposite to each other, two gripping blocks are with the same phase of screw rod rotational energy
To far from movement, clamping is strutted to realize.
It is further preferred that each gripping block is separately installed with adjustment block along the opposite two sides of the direction of motion, it is each to adjust
Monolith is lock onto gripping block corresponding side surface by screw, and two gripping blocks are leaned on the rotation of screw rod along screw rod direction relatively simultaneously
Close or remote from clamping tool.
A kind of universal fixture group clamps universal fixture, and several excavations including several above-mentioned crawler of excavator frame positioning
Machine track frame positioning clamping universal fixture, which is of a straight line type, to be arranged in a support base.
Compared with prior art, the utility model has the following advantages that：
1, product quality is improved：Positioned using track frame median plane so that technological datum is overlapped with design basis, elimination because
Accumulated error caused by Reference Transforming guarantees track frame parallelism tolerance and size tolerance requirements, effectively prevent excavator row
Sail the problems such as sideslip, " one band of four-wheel " abrasion and crawler belt gnaw rail；
2, production efficiency is improved, manufacturing cost is reduced：After tooling described in the utility model comes into operation, secondary friendship inspection rate
100% is reached, does not occur repair conditions, greatly reduces and reprocesses cost and scrap cost, production procedure is more smooth, production efficiency
It is high；
3, generalization is realized：Tooling described in the utility model is applicable to track frame always weldering, track frame running motor in groups
The positioning that mounting base machining and walker always weld track frame in groups clamps, so that the benchmark of every procedure is constant, eliminates because of work
Foozle caused by the conversion of skill benchmark；Meanwhile tooling described in the utility model is applicable to the positioning of institute's organic type track frame
It clamps；
4, it is conveniently adjusted and repairs：Entire tooling uses fabricated construction, and installation and debugging are convenient, fixed in screw thread easy to wear
Equipment adjustment block at the gripping block position of position, only needs to change adjustment block after abrasion；
5, tooling input cost and occupied area are saved：It is adjusted because positioning clamping seats are removable, is applicable to multiple types
The manufacturing of track frame reduces the expense and occupied area of technological equipment investment；
Crawler of excavator frame positioning described in the utility model, which clamps universal fixture, to be put into the batch production of track frame,
It positions reliable clamping, and product quality is high, high production efficiency, is particularly suitable in mass production.
Detailed description of the invention
Fig. 1 be in the prior art excavator walking frame assembly structure schematic diagram；
Fig. 2 is Fig. 1 side view；
Fig. 3 is crawler belt frame assembly structure stereoscopic schematic diagram in the prior art；
Fig. 4 is Fig. 3 top view；
Fig. 5 is Fig. 3 side view；
Fig. 6 is 1 structural upright schematic diagram of the utility model embodiment；
Fig. 7 is Fig. 6 sectional view；
Fig. 8 is 2 structural upright schematic diagram of the utility model embodiment；
Fig. 9 is 2 structural decomposition diagram of the utility model embodiment；
Figure 10 is 2 structure top view schematic diagram of the utility model embodiment；
Figure 11 is 2 structural profile illustration of the utility model embodiment；
Figure 12 is gripping block structural schematic diagram in the utility model embodiment 2；
Figure 13 is Figure 12 side view；
Figure 14 is screw rod structure schematic diagram in the utility model embodiment 1 to 3；
Figure 15 is the schematic diagram that the positioning of the utility model embodiment 2 clamps that track frame always welds thrust wheel mounting plate in groups；
Figure 16 is that the utility model embodiment positioning clamps the track frame always schematic diagram of mounted welder in groups；
Figure 17 is detailed structure schematic diagram in Figure 15；
Figure 18 is 3 structural upright schematic diagram of the utility model embodiment；
Figure 19 is Figure 18 structural profile illustration；
Figure 20 is that the positioning of the utility model embodiment 3 clamps the mach schematic diagram of track frame running motor mounting base；
Figure 21 is detailed structure schematic diagram one in Figure 20；
Figure 22 is detailed structure schematic diagram two in Figure 20；
Figure 23 is the schematic diagram that the positioning of the utility model embodiment 3 clamps that walker always welds track frame in groups；
Figure 24 is the schematic diagram of Figure 23 detailed structure.
Specific embodiment
And for the always weldering, the machining of track frame running motor mounting base, walker assembly in groups of above-mentioned crawler of excavator frame
For the tool structure that track frame positioning clamps in group weldering, current most of factory and enterprises are individually designed for above-mentioned technique
Special equipment, cause the benchmark of every procedure there are deviation, deviation increases during replacing clamping tool, therefore it is direct because
Foozle caused by technological datum conversion；Meanwhile frock clamp is replaced according to each processing step, directly affect processing effect
Rate, while also increasing cost.
In view of the above technical problems, by the analysis to reason, constantly research finds a kind of crawler of excavator frame to inventor
Positioning clamps the technical solution of universal fixture comprising tooling cabinet, impeller and a pair of of gripping block, the upper surface of tooling cabinet
A strip gab is opened up along its centerline direction, and along opening direction through in tooling cabinet, which is located at opens impeller
Below mouthful；A pair of of gripping block include two gripping blocks, two gripping blocks be socketed on respectively impeller and with impeller can it is relatively close or
It is separate, to clamp workpiece and ensure that two gripping block median planes are overlapped.
For the always weldering, the machining of track frame running motor mounting base, walker in groups of crawler of excavator frame in above scheme
A kind of universal architecture always is provided in track frame positioning clamping in weldering in groups, is realized using the cooperation of gripping block and impeller to be added
The positioning of work workpiece clamps or positioning struts, while clamping and ensuring to clamp in workpiece and two gripping blocks while strutting
Heart face is overlapped, and solves benchmark difference in prior art problem and there is technical issues that；In addition, excavator is carried out in this programme
Track frame positioning, which clamps, during tape holder always welds in groups, track frame running motor mounting base machines, walker always welds in groups realizes
Positioning is clamped, without replacing clamping tool for different process, to improve processing efficiency, reduces processing cost.
Specific embodiment of the present utility model is described in detail with reference to the accompanying drawing.
Embodiment 1：
As shown in Figure 6 to 7, a kind of crawler of excavator frame positioning clamps the technical solution of universal fixture 1-0 comprising work
Case body 1-1, impeller and a pair of of gripping block 1-3.
As shown in Figure 6 to 7, tooling cabinet 1-1 is a hollow, rectangular cabinet, and the tooling cabinet includes pedestal 1-
11 and upper cover plate 1-12, upper cover plate 1-12 are buckled in the opening face of pedestal 1-11, and the upper cover plate 1-12 is along its two symmetrical short side
Centerline direction open up a strip gab 1-13, impeller along opening direction through in tooling cabinet 1-1, the impeller position
Below strip gab 1-13；A pair of of gripping block 1-3 includes that two gripping block 1-3, two gripping block 1-3 are socketed on impeller simultaneously respectively
Can be relatively close or separate with impeller, to clamp workpiece and ensure that two gripping block 1-3 median planes are overlapped.
As shown in Figure 6 to 7, the impeller can be screw rod or two symmetrical cylinders etc., be able to achieve drive
The component or mechanism of strip gab direction reciprocating motion are opened in gripping block edge, but to ensure that precision and datum level are constant more accurate
It is required that the impeller is preferably screw rod 1-2.
As shown in Figure 6 to 7, the screw rod 1-2 is arranged in tooling cabinet 1-1 along the direction strip gab 1-13, lead screw
The both ends 1-2 stretch out in except tooling cabinet 1-1, and two gripping block 1-3 are loaded on respectively on two symmetrical Rotary Districts of screw rod 1-2,
To which two gripping block 1-3 rotate and relatively close or separate and clamping workpiece with screw rod 1-2.Specifically：The screw rod 1-2 with
Its center line for being located at the part in tooling cabinet 1-1 is symmetrically distributed with two Rotary Districts, and two Rotary Districts offer respectively it is left-handed
Thread segment and right-handed thread section, the two gripping blocks 1-3 are respectively left-handed gripping block and dextrorotation gripping block, the left-handed gripping block and
Dextrorotation gripping block can be spirally connected respectively with left-handed thread section and right-handed thread section cooperation.
As shown in Figure 6 to 7, it is extension that the both ends of the lead screw 1-2, which are located at the part outside tooling cabinet 1-1, described
Two extensions are respectively sleeved on thrust ball bearing 1-4 and nut 1-5, and the thrust ball bearing 1-4 is set close to tooling cabinet 1-1
It sets, to limit the translation of screw rod, and nut 1-5 is buckled in outside thrust ball bearing 1-4, to lock.The both ends screw rod 1-2 use
Thrust ball bearing 1-4 limitation translation, rotational freedom are not limited, are moved axially using nut 1-5 is fixed with screw rod 1-2, silk
The two sides of thick stick 1-2 are full symmetric, while being to facilitate the center for adjusting left-right rotary threaded block using the advantages of nut 1-5 locking
Face, when nut 1-5 is not locked, screw rod 1-2 is axially movable, because gripping block 1-3 alignment after its median plane not necessarily with tooling case
The median plane of body 1-1 is overlapped, and need to only move axially screw rod 1-2 and gripping block 1-3 at this time can guarantee gripping block and tooling cabinet
The median plane of 1-1 is overlapped.
As shown in Figure 6 to 7, the two gripping blocks 1-3 is clamping face along the opposite and opposite two sides of the direction of motion, should
Clamping face is plane, an adjustment block 1-6 is equipped with by screw on the clamping face, to form the fine tuning structure of each gripping block 1-3.
Adjustment block 1-6 is fixed by bolts in the purpose of gripping block 1-3, is convenient for after being mainly conveniently adjusted center and abrasion in assembly
Maintenance replacement, and do not have to entire gripping block 1-3 and replace, while can also be used to adjust and opening gear size between thrust wheel mounting plate B3
Manufacture deviation.
As shown in Figure 6 to 7, in the present embodiment, the screw rod 1-2 is more selected as trapezoidal tooth screw rod, each folder
Tight block 1-3 is rectangular block；
When two gripping block 1-3 are opposite simultaneously（I.e. inwardly）When mobile side assembly, the tooling is always welded in groups for track frame
Positioning clamp；And rotary screw 1-2 at this time, two gripping block 1-3, which are synchronized, to be moved inward and face contact on the outside of thrust wheel mounting plate
And limit, the median plane of the median plane and two gripping block 1-3 that force two thrust wheel mounting plates is overlapped, and realizes the center of track frame
Face automatic centering simultaneously clamps thrust wheel mounting plate, meanwhile, the tooling cabinet 1-1 is for the requirement of positioning height direction size；
Two gripping block 1-3 are opposite simultaneously（I.e. outward）When mobile side assembly, the tooling is used for track frame running motor
The machining of mounting base and walker always weld in groups, at this time rotating threaded shaft 1-2, synchronize two gripping block 1-3 and are displaced outwardly simultaneously
With face contact on the inside of thrust wheel mounting plate, the median plane of two thrust wheel mounting plates and the center of two screw thread positioning gripping blocks are forced
Face is overlapped, and realizes the median plane automatic centering of track frame, and play clamping action, meanwhile, track frame running motor installs base
Processing key guarantees the size requirement of milling surface rear end face size to track frame median plane.
A kind of universal fixture group 1 clamps universal fixture 1-0 including several above-mentioned crawler of excavator frame positioning, and several
Crawler of excavator frame positioning clamping universal fixture 1-0, which is of a straight line type, to be arranged in a support base.
Embodiment 2：
As shown in figure 8, a kind of crawler of excavator frame positioning clamps the technical solution of universal fixture 2-0 comprising tooling case
Body 2-1, impeller and a pair of of gripping block 2-3.
As shown in Figs. 8 to 11, tooling cabinet 2-1 is a hollow, rectangular cabinet, and the tooling cabinet includes pedestal 2-
11 and upper cover plate 2-12, upper cover plate 2-12 are buckled in the opening face of pedestal 2-11, and the upper cover plate 2-12 is along its two symmetrical short side
Centerline direction open up a strip gab 2-13, impeller along opening direction through in tooling cabinet 2-1, the impeller position
Below strip gab 2-13；A pair of of gripping block 2-3 includes that two gripping block 2-3, two gripping block 2-3 are socketed on impeller simultaneously respectively
Can be relatively close or separate with impeller, to clamp workpiece and ensure that two gripping block 2-3 median planes are overlapped.
As shown in Figs. 8 to 11, the impeller can be screw rod or two symmetrical cylinders etc., be able to achieve drive
The component or mechanism of strip gab direction reciprocating motion are opened in gripping block edge, but to ensure that precision and datum level are constant more accurate
It is required that the impeller is preferably screw rod 2-2（In conjunction with shown in Figure 14）.
As shown in Figs. 8 to 11, the screw rod 2-2 is arranged in tooling cabinet 2-1 along the direction strip gab 2-13, lead screw
The both ends 2-2 stretch out in except tooling cabinet 2-1, and two gripping block 2-3 are loaded on respectively on two symmetrical Rotary Districts of screw rod 2-2,
To which two gripping block 2-3 rotate and relatively close or separate and clamping workpiece with screw rod 2-2.Specifically：The screw rod 2-2 with
Its center line for being located at the part in tooling cabinet 2-1 is symmetrically distributed with two Rotary Districts, and two Rotary Districts offer respectively it is left-handed
Thread segment and right-handed thread section, the two gripping blocks 2-3 are respectively left-handed gripping block and dextrorotation gripping block, the left-handed gripping block and
Dextrorotation gripping block can be spirally connected respectively with left-handed thread section and right-handed thread section cooperation.
As shown in Figs. 8 to 11, it is extension that the both ends of the lead screw 2-2, which are located at the part outside tooling cabinet 2-1, described
Two extensions are respectively sleeved on thrust ball bearing 2-4 and nut 2-5, and the thrust ball bearing 2-4 is set close to tooling cabinet 2-1
It sets, to limit the translation of screw rod, and nut 2-5 is buckled in outside thrust ball bearing 2-4, to lock.The both ends screw rod 2-2 use
Thrust ball bearing 2-4 limitation translation, rotational freedom are not limited, are moved axially using nut 2-5 is fixed with screw rod 2-2, silk
The two sides of thick stick 2-2 are full symmetric, while being to facilitate the center for adjusting left-right rotary threaded block using the advantages of nut 2-5 locking
Face, when nut 2-5 is not locked, screw rod 2-2 is axially movable, because gripping block 2-3 alignment after its median plane not necessarily with tooling case
The median plane of body 2-1 is overlapped, and need to only move axially screw rod 2-2 and gripping block 2-3 at this time can guarantee gripping block and tooling cabinet
The median plane of 2-1 is overlapped.
As shown in Fig. 8 to Figure 13, the two gripping blocks 2-3 is clamping face, the clamping along the opposite two sides of the direction of motion
Face is plane, an adjustment block 2-6 is equipped with by screw on the clamping face, to form the fine tuning structure of each gripping block.Adjustment block
2-6 is fixed by bolts in the purpose of gripping block 2-3, mainly assembly when be conveniently adjusted center and abrasion after it is easy to repair more
It changes, and does not have to entire gripping block 2-3 and replace, while the manufacture that can also be used to open gear size between adjustment thrust wheel mounting plate is inclined
Difference.
As shown in Figs. 8 to 11, two locating piece 2-7, the two equal positions locating piece 2-7 are also equipped on the tooling cabinet 2-1
Between two gripping block 2-3, each locating piece 2-7 passes through screw and lock at the strip gab of tooling cabinet 2-1, two folder
The clamping face of tight block 2-3 is oppositely arranged, and two gripping block 2-3 are with screw rod 2-2 rotational energy while relatively close movement and each gripping block
2-3 can be formed between adjacent locating piece 2-7 and be clamped location structure.The above-mentioned locating piece for being fixed on tooling cabinet 2-1 is used for
The positioning of thrust wheel mounting plate, lateral surface contact when track frame always welds in groups, and the median plane of two locating piece 2-7 is fixed for technique
Position datum level, that is, the median plane of entire track frame.
As shown in Figure 15 to Figure 17, in the present embodiment, each gripping block 2-3 is rectangular block, and gripping block 2-3's is interior
Side is clamping face, and the lateral surface of gripping block 2-3 is inclined surface；
When two gripping block 2-3 are opposite simultaneously（I.e. inwardly）When mobile side assembly, the tooling is welded for track frame assembly B group
Positioning clamp；And rotary screw 2-2 at this time, two gripping block 2-3, which are synchronized, to be moved inward, the clamping face of two gripping block 2-3 and branch
The outside face contact of roller mounting plate B3, the inside of thrust wheel mounting plate B3 and the outside face contact of locating piece simultaneously limit, and force
The median plane of the median plane of two thrust wheel mounting plate B3 and two gripping block 2-3 are overlapped, and realize the median plane of track frame assembly B certainly
Dynamic centering simultaneously clamps thrust wheel mounting plate B3, meanwhile, the tooling cabinet 2-1 is for the requirement of positioning height direction size.
As shown in Figure 15 to Figure 17, a kind of universal fixture group 2 clamps logical including several above-mentioned crawler of excavator frame positioning
With tooling 2-0, and the positioning of several crawler of excavator framves clamps universal fixture 2-0 and is of a straight line type and is arranged in a support base.
As shown in Figure 15 to Figure 17, in the present embodiment, thrust wheel mounting plate is subjected to effective position using universal fixture group 2
It clamps, specifically, universal fixture group includes three intervals and clamps general work along the crawler of excavator frame positioning of straight line arrangement
2-0 structure is filled, three crawler of excavator frame positioning clamp universal fixture 2-0 corresponding position and clamp same thrust wheel mounting plate,
Realize the clamping to track frame assembly B in actual production.
Embodiment 3：
As shown in Figure 18 to Figure 19, a kind of crawler of excavator frame positioning clamps the technical solution of universal fixture 3-0 comprising
Tooling cabinet 3-1, impeller and a pair of of gripping block 3-3.
As shown in Figure 18 to Figure 19, tooling cabinet 3-1 is a hollow, rectangular cabinet, and the tooling cabinet includes pedestal
3-11 and upper cover plate 3-12, upper cover plate 3-12 are buckled in the opening face of pedestal 3-11, and the upper cover plate 3-12 is two symmetrical short along it
The centerline direction on side opens up a strip gab 3-13, impeller along opening direction through in tooling cabinet 3-1, the impeller
Below strip gab 3-13；A pair of of gripping block 3-3 includes that two gripping block 3-3, two gripping block 3-3 are socketed on impeller respectively
And can be relatively close or separate with impeller, to clamp workpiece and ensure that two gripping block 3-3 median planes are overlapped.
As shown in Figure 18 to Figure 19, the impeller can be screw rod or two symmetrical cylinders etc., be able to achieve band
The component or mechanism of strip gab direction reciprocating motion are opened in dynamic gripping block edge, but to ensure that precision and datum level are constant more accurate
Requirement, the impeller is preferably screw rod 3-2（In conjunction with shown in Figure 14）.
As shown in Figure 18 to Figure 19, the screw rod 3-2 is arranged in tooling cabinet 3-1 along the direction strip gab 3-13, silk
The both ends thick stick 3-2 stretch out in except tooling cabinet 3-1, and two gripping block 3-3 are loaded on two symmetrical Rotary Districts of screw rod 3-2 respectively
On, so that two gripping block 3-3 rotate and relatively close or separate and clamping workpiece with screw rod 3-2.Specifically：The screw rod 3-
2 are symmetrically distributed with two Rotary Districts with its center line for being located at the part in tooling cabinet 3-1, and two Rotary Districts offer a left side respectively
It revolves thread segment and right-handed thread section, the two gripping blocks 3-3 is respectively left-handed gripping block and dextrorotation gripping block, the left-handed gripping block
And dextrorotation gripping block can be spirally connected respectively with left-handed thread section and right-handed thread section cooperation（In conjunction with shown in Figure 14）.
As shown in Figure 18 to Figure 19, it is extension, institute that the both ends of the lead screw 3-2, which are located at the part outside tooling cabinet 3-1,
It states two extensions and is respectively sleeved on thrust ball bearing 3-4 and nut 3-5, the thrust ball bearing 3-4 is set close to tooling cabinet 3-1
It sets, to limit the translation of screw rod, and nut 3-5 is buckled in outside thrust ball bearing 3-4, to lock.The both ends screw rod 3-2 use
Thrust ball bearing 3-4 limitation translation, rotational freedom are not limited, are moved axially using nut 3-5 is fixed with screw rod 3-2, silk
The two sides of thick stick 3-2 are full symmetric, while being to facilitate the center for adjusting left-right rotary threaded block using the advantages of nut 3-5 locking
Face, when nut 3-5 is not locked, screw rod 3-2 is axially movable, because gripping block 3-3 alignment after its median plane not necessarily with tooling case
The median plane of body 3-1 is overlapped, and need to only move axially screw rod 3-2 and gripping block 3-3 at this time can guarantee gripping block and tooling cabinet
The median plane of 3-1 is overlapped.
As shown in Figure 18 to Figure 19, the two gripping blocks 3-3 is clamping face, the clamping along the opposite two sides of the direction of motion
Face is plane, an adjustment block 3-6 is equipped with by screw on the clamping face, to form the fine tuning structure of each gripping block.Adjustment block
3-6 is fixed by bolts in the purpose of gripping block 3-3, mainly assembly when be conveniently adjusted center and abrasion after it is easy to repair more
It changes, and does not have to entire gripping block 3-3 and replace, while the manufacture that can also be used to open gear size between adjustment thrust wheel mounting plate is inclined
Difference.
As shown in Figure 20 to Figure 24, in the present embodiment, each gripping block 3-3 is rectangular block, and gripping block 3-3's is outer
Side is clamping face, and the medial surface of gripping block 3-3 is inclined surface；
Two gripping block 3-3 are opposite simultaneously（I.e. outward）When mobile side assembly, the tooling is for row in track frame assembly B
Machining and the weldering of walker assembly A group, at this time the rotating threaded shaft 3-2 for walking motor mount B1, keep two gripping block 3-3 synchronous to
Outer movement and inside face contact with thrust wheel mounting plate, force two thrust wheel mounting plate B3 median plane and two screw threads positioning
The median plane of gripping block is overlapped, and realizes the median plane automatic centering of track frame A, and plays clamping action, meanwhile, track frame walking
Motor mount machining is crucial to guarantee the size requirement of milling surface rear end face size to track frame median plane.
As shown in Figure 20 to Figure 24, a kind of universal fixture group 3 clamps logical including several above-mentioned crawler of excavator frame positioning
With tooling 3-0, and the positioning of several crawler of excavator framves clamps universal fixture 3-0 and is of a straight line type and is arranged in a support base.
As shown in Figure 20 to Figure 24, in the present embodiment, thrust wheel mounting plate is subjected to effective position using universal fixture group 3
It clamps, specifically, universal fixture group 3 includes two or three intervals and positions clamping along the crawler of excavator frame of straight line arrangement
Universal fixture 3-0 structure, it is total that three crawler of excavator frame positioning clamping universal fixture 3-0 corresponding positions clamp same walker
At realizing that processing in actual production clamps.
Although the utility model is disclosed as above with preferred embodiment, its be not for limiting the utility model, it is any
Those skilled in the art without departing from the spirit and scope of the utility model, can make possible variation and modification, because
This protection scope of the utility model should be subject to the range that the utility model claims are defined.
Claims (10)
1. the positioning of crawler of excavator frame clamps universal fixture, it is characterised in that：It includes tooling cabinet, impeller and a pair of of clamping
Block, wherein：
The upper surface of tooling cabinet opens up a strip gab along its centerline direction, and impeller is along opening direction through tooling case
In vivo, which is located at opening lower section；
A pair of of gripping block includes two gripping blocks, and two gripping blocks are socketed on impeller respectively and can be relatively close or remote with impeller
From to clamp workpiece and ensure that two gripping block median planes are overlapped.
2. crawler of excavator frame positioning according to claim 1 clamps universal fixture, it is characterised in that：The impeller is
Screw rod, the screw rod are arranged in tooling cabinet along strip gab direction, and lead screw both ends stretch out in except tooling cabinet, two gripping blocks
It is loaded on two symmetrical Rotary Districts of screw rod respectively, so that two gripping blocks are relatively close or separate with screw rod rotation and clamp
Workpiece.
3. crawler of excavator frame positioning according to claim 2 clamps universal fixture, it is characterised in that：The screw rod is with it
Center line positioned at the intracorporal part of tooling case is symmetrically distributed with two Rotary Districts, and two Rotary Districts offer left-handed thread section respectively
And right-handed thread section, two gripping block are respectively left-handed gripping block and dextrorotation gripping block, the left-handed gripping block and dextrorotation clamp
Block can be spirally connected respectively with left-handed thread section and right-handed thread section cooperation.
4. crawler of excavator frame positioning according to claim 2 clamps universal fixture, it is characterised in that：The two of the lead screw
It is extension that end, which is located at the part outside tooling cabinet, and two extension is respectively sleeved on thrust ball bearing and nut, described to push away
Power ball bearing is arranged close to tooling cabinet, and to limit the translation of screw rod, and nut buckle is set to outside thrust ball bearing, to cooperate lock
Tightly.
5. crawler of excavator frame positioning according to claim 3 clamps universal fixture, it is characterised in that：Two gripping block
It is clamping face along the one side of the direction of motion relatively or contrarily, which is plane, is equipped on the clamping face by screw
One adjustment block, to form the fine tuning structure of each gripping block.
6. crawler of excavator frame positioning according to claim 1 clamps universal fixture, it is characterised in that：The tooling cabinet
Including pedestal and upper cover plate, the strip gab is opened in upper cover plate, which is buckled in the opening face of pedestal.
7. being positioned to crawler of excavator frame described in 6 any one clamp universal fixture according to claim 1, it is characterised in that：
Two locating pieces are also equipped on the tooling cabinet, two locating pieces are respectively positioned between two gripping blocks, and each locating piece passes through screw
It lock at the strip gab of tooling cabinet, the clamping face of two gripping block is oppositely arranged, and two gripping blocks are with screw rod rotational energy
Relatively close movement simultaneously and formation clamping location structure between each gripping block energy and adjacent locating piece.
8. being positioned to crawler of excavator frame described in 6 any one clamp universal fixture according to claim 1, it is characterised in that：
The clamping face of two gripping block is disposed opposite to each other, and two gripping blocks are relatively distant from movement simultaneously with screw rod rotational energy, is strutted with realizing
Clamping.
9. crawler of excavator frame positioning according to claim 3 clamps universal fixture, it is characterised in that：Each gripping block
It is separately installed with adjustment block along the opposite two sides of the direction of motion, each adjustment block lock onto gripping block corresponding side surface by screw
On, two gripping blocks are relatively close simultaneously or separate with clamping tool along screw rod direction with the rotation of screw rod.
10. universal fixture group, it is characterised in that：It includes that the positioning clamping of crawler of excavator frame described in several claims 1 is general
Tooling, and several crawler of excavator framves positioning clamping universal fixture is of a straight line type and is arranged in a support base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656974.9U CN208147262U (en) | 2018-05-04 | 2018-05-04 | The positioning of crawler of excavator frame clamps universal fixture and universal fixture group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656974.9U CN208147262U (en) | 2018-05-04 | 2018-05-04 | The positioning of crawler of excavator frame clamps universal fixture and universal fixture group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208147262U true CN208147262U (en) | 2018-11-27 |
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ID=64389242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820656974.9U Active CN208147262U (en) | 2018-05-04 | 2018-05-04 | The positioning of crawler of excavator frame clamps universal fixture and universal fixture group |
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| Country | Link |
|---|---|
| CN (1) | CN208147262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026566A (en) * | 2022-06-29 | 2022-09-09 | 山河智能特种装备有限公司 | Walking correction device and method for correcting walking system of crawler-type engineering vehicle |
-
2018
- 2018-05-04 CN CN201820656974.9U patent/CN208147262U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026566A (en) * | 2022-06-29 | 2022-09-09 | 山河智能特种装备有限公司 | Walking correction device and method for correcting walking system of crawler-type engineering vehicle |
| CN115026566B (en) * | 2022-06-29 | 2024-02-13 | 山河智能特种装备有限公司 | Walking correction device and crawler-type engineering vehicle walking system correction method |
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