CN103192208B - Pump truck underframe fixture for positioning and assembling shaft sleeve - Google Patents
Pump truck underframe fixture for positioning and assembling shaft sleeve Download PDFInfo
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- CN103192208B CN103192208B CN201210004021.1A CN201210004021A CN103192208B CN 103192208 B CN103192208 B CN 103192208B CN 201210004021 A CN201210004021 A CN 201210004021A CN 103192208 B CN103192208 B CN 103192208B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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Abstract
A pump truck underframe fixture for positioning and assembling a shaft sleeve comprises a platform (1), as well as front supporting leg shaft sleeve positioning devices (2), rear supporting leg shaft sleeve positioning devices (4) and a support adjusting device wherein the front supporting leg shaft sleeve positioning devices (2) are mounted at two sides of the platform, the rear supporting leg shaft sleeve positioning devices (4) are also mounted at the two sides of the platform, and the position of each front supporting leg shaft sleeve positioning device (2) can be adjusted; each of the front supporting leg shaft sleeve positioning devices and the rear supporting leg shaft sleeve positioning devices comprises a positioning core shaft (25), a positioning sleeve component and a bottom positioning disc component used for supporting the positioning core shaft (25); the positioning core shaft (25) is sleeved with the positioning sleeve component in a penetrating manner; and the positioning sleeve component is used for positioning support leg shaft sleeves (102 and 103). The pump truck underframe fixture for positioning and assembling the shaft sleeve can be used for welding and assembling the shaft sleeve of various types of the pump truck underframes, the welding quality and work efficiency can be improved, the deformation out-of-tolerance can be reduced, and the pump truck underframes with different lengths and sizes are welded and assembled on the same pump truck underframe fixture, so that the overall tool is simple in adjustment, convenient in use, and accurate in position fixation.
Description
Technical field
The present invention relates to a kind of pump truck underframe fixture, particularly, relate to a kind of pump truck underframe fixture for locating and assemble axle sleeve.
Background technology
Pump truck underframe (i.e. " concrete pump truck chassis ") is arranged on concrete mixer chassis frame, and it, as the main bearing member of concrete mixer, is generally designed to body structure, and inside is typically provided with fuel tank and water tank etc. simultaneously.The main part of described underframe as the rotary table of box frame construction, and for installing the parts such as supporting leg, hydraulic cylinder.After machining the pump truck underframe of box structure, need the axle sleeve installing hole on pump truck underframe that axle sleeve is installed, position between corresponding axle sleeve in these axle sleeves has strict demand, if certain positional precision can not be met, cannot use causing the parts such as supporting leg, hydraulic cylinder be arranged in these axle sleeves, even cannot install.
Particularly, shown in Fig. 1 and Fig. 2, the schematic front view of the pump truck underframe of Fig. 1 and Fig. 2 display a kind of model exemplarily and schematic top plan view, as we can see from the figure for installing front leg, lower supporting leg axle sleeve 102, for installing the hydraulic cylinder axle sleeve 104 of hydraulic cylinder, and for installing rear portion supporting leg, lower supporting leg axle sleeve 103 is arranged in the corresponding axle sleeve installing hole of pump truck underframe 101 respectively, these axle sleeves have strict position accuracy demand, such as go up, the axiality requirement etc. of lower supporting leg axle sleeve 102, if corresponding position accuracy demand can not be met, the parts such as supporting leg then may be caused to install or to use.But, in the prior art, the assembling of pump truck underframe Upper shaft sleeve often there is no special frock clamp, usually rely on the locate modes such as artificial line to complete the location of axle sleeve, be then welded on by axle sleeve in corresponding axle sleeve installing hole, this not only makes the positional precision of axle sleeve be difficult to ensure, have influence on the installation of the parts such as follow-up supporting leg, hydraulic cylinder, and the location assembling operation of axle sleeve is extremely inconvenient, task difficulty is comparatively large, and packaging efficiency is low.In addition, although the box structure shape of pump truck underframe 101 is substantially similar, because the product type of pump truck underframe is more, especially length dimension changes greatly, and this brings difficulty also to design pump truck underframe fixture.
As can be seen from upper description, the shortcoming of prior art is, the axle sleeve welding assembly operation of pump truck underframe is without special frock clamp, the craftsmanship relying on workman completely assembles, be difficult to the axle sleeve location dimension meeting drawing requirement, the height of operative's level, the positional precision of axle sleeve will be had influence on, the axis hole axiality of especially relevant axle sleeve, causes the parts such as follow-up supporting leg, hydraulic cylinder to install and maybe cannot use.
In view of this above-mentioned defect of prior art, needs to design a kind of special pump truck underframe fixture, for relatively accurately locating assembling axle sleeve.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of pump truck underframe fixture for locating and assemble axle sleeve, this pump truck underframe fixture relatively accurately can not only realize the location assembling operation of pump truck underframe axle sleeve, and can be applicable to the axle sleeve assembling operation of pump truck underframe of Multiple Type in its adjustable range.
In order to solve the problems of the technologies described above, the invention provides a kind of pump truck underframe fixture for locating and assemble axle sleeve, wherein, this pump truck underframe fixture comprises platform, the end face of this platform is symmetrically installed with along the longitudinal direction both sides front leg strut axle sleeve positioner and both sides rear support leg axle sleeve positioner, and the end face of this platform is also provided with for supporting described pump truck underframe and regulating the supporting and regulating device of this pump truck underframe height and position, front leg strut axle sleeve positioner described in each and the spacing between the described rear support leg axle sleeve positioner of homonymy can regulate along the longitudinal direction of described platform, before described in each, rear support leg axle sleeve positioner comprises the positioning core axle for being inserted in the supporting leg axle sleeve installing hole of described pump truck underframe respectively, for being set on the positioning sleeve assembly coordinated on described positioning core axle and with the outer peripheral face of this positioning core axle, and for supporting the bottom positioning disk assembly of this positioning core axle at described positioning core axle end portion, each keeper in described positioning sleeve assembly can coordinate to locate this supporting leg axle sleeve with the axle sleeve through hole of the respective leg axle sleeve be arranged in described supporting leg axle sleeve installing hole.
Concrete selectively, the described supporting and regulating device longitudinal direction comprised along described platform is symmetricly set on the several contour supporting seat on described platform end face and is adjacent to contour supporting base described in each and is arranged on several jack on the end face of described platform.
Further, the longitudinal direction symmetry that described pump truck underframe fixture also comprises along described platform is arranged on hydraulic cylinder axle sleeve positioner on described platform end face, described hydraulic cylinder axle sleeve positioner on the longitudinal direction along described platform between described front leg strut axle sleeve positioner and rear support leg axle sleeve positioner.
Particularly, hydraulic cylinder axle sleeve positioner described in each comprise supporting base, for the axle sleeve through hole of hydraulic cylinder axle sleeve coordinate to locate this hydraulic cylinder axle sleeve alignment pin, locate top cover and positioning spacer, described supporting base comprises the pedestal bottom plate be arranged on described platform end face and the support plate be positioned at above this pedestal bottom plate, this support plate has the dowel hole with described detent fit, described location top cover and positioning spacer can be set on described alignment pin and with the outer peripheral face of this alignment pin and coordinate.
Preferably, the support plate of described supporting base protrudes relative to this pedestal bottom plate and extends above described pedestal bottom plate.
Preferably, described rear support leg axle sleeve positioner is fixed on the end face of described platform, and the end face that described front leg strut axle sleeve positioner is arranged on described platform can change position location to regulate the spacing between described front leg strut axle sleeve positioner and rear support leg axle sleeve positioner along the longitudinal direction of this platform.
Specifically selectively, described in each, forward and backward supporting leg axle sleeve positioner also comprises positioner pedestal respectively, and this positioner pedestal has mounting base, and the top of this positioner pedestal is provided with the location-plate with mandrel mating holes.
Preferably, described location-plate is bolted on the top of described positioner pedestal, and is located by fastening screw.
Specifically selectively, keeper in described positioning sleeve assembly comprises three axle sleeve convex dishes and positioning sleeve, axle sleeve convex dish described in each has projection and this projection can extend in the axle sleeve through hole of described supporting leg axle sleeve, the outer peripheral face of described projection can coordinate with the inner peripheral surface of the axle sleeve through hole of described supporting leg axle sleeve, to locate corresponding described supporting leg axle sleeve.
Specifically selectively, described positioning disk assembly comprises positioning disk pedestal, bottom positioning disk and positioning interval cover, described positioning disk pedestal is arranged on the mounting base of described positioner pedestal, this positioning disk pedestal has the positioning disk putting hole for placing described bottom positioning disk, described bottom positioning disk has convex platform, positioning disk main body and lower convex platform, and be formed and run through described convex platform, the mandrel patchhole of positioning disk main body and lower convex platform, described positioning interval cover can coordinate by sleeve on described convex platform and with the outer peripheral face of this convex platform, and the outer peripheral face of this positioning interval cover can coordinate with the inner peripheral surface of the axle sleeve through hole of described supporting leg axle sleeve, described lower convex platform can insert be coupled to described positioning disk pedestal positioning disk putting hole in, the diameter of the end portion of described positioning core axle is less than the main part of this positioning core axle, multidiameter is formed as to make this positioning core axle, the end portion of this positioning core axle can be inserted in described mandrel patchhole and to coordinate with this mandrel patchhole, to be supported the stair-step face of described positioning core axle by the end face of described convex platform.
More specifically, the outer peripheral face of the lower convex platform of described bottom positioning disk is provided with or is formed with flat key, the inner peripheral surface of the positioning disk putting hole of described positioning disk pedestal is formed with the keyway coordinated with this flat key, and described lower convex platform is located by the cooperation of this flat key and keyway inserting under the state being coupled in described positioning disk putting hole.
Preferably, the circle central axis of the mandrel mating holes on described location-plate has deviant relative to the symmetrical center line of described location-plate, the circle central axis of the mandrel patchhole on the positioning disk of described bottom has described deviant relative to the circle central axis of positioning disk bottom this, and the inner peripheral surface of the positioning disk putting hole of described positioning disk pedestal has been symmetrically formed described keyway.
Preferably, described forward and backward supporting leg axle sleeve positioner also comprises the Pore Diameter Detection cover for detecting described supporting leg axle sleeve installing hole respectively, and this Pore Diameter Detection cover can wear on described positioning core axle and with the outer peripheral face of this positioning core axle and coordinate.
Preferably, the longitudinal direction along this platform on the end face of described platform is symmetrically installed with slide rail, and described in each, front leg strut axle sleeve positioner is arranged on corresponding slide unit respectively, and the bottom of slide unit described in each has the slide be slidably matched with corresponding described slide rail.
Further preferably, the end face both sides longitudinal edge of described platform is also symmetrically installed with multiple bolt mechanism, and described in each, bolt mechanism comprises Fixed latches respectively, slide unit described in each has the pin hole for inserting described Fixed latches.
More preferably, the end face of described platform also corresponds to slide unit described in each and press strip is installed, described in each, press strip is formed with T-slot, described in each, T-slot is provided with hold-down bolt, slide unit described in each is formed with slide unit open slot, the bolt head of described hold-down bolt is positioned at described T-slot, and the screw portion of described hold-down bolt is through the slide unit open slot on corresponding described slide unit and threaded engagement has nut.
Further preferably, slide unit described in each is also formed with screwed hole, in this screwed hole, studdle is installed.
Specifically selectively, slide unit described in each is provided with two described studdles, this studdle is arranged symmetrically with relative to slide unit open slot described in each.
Pass through technique scheme, pump truck underframe fixture for locating and assemble axle sleeve of the present invention can be used in the axle sleeve weldering cover assembling of the pump truck underframe of Multiple Type, it can improve welding quality, reduce distortion overproof, increase work efficiency, front leg strut axle sleeve positioner described in each and the spacing between the described rear support leg axle sleeve positioner of its homonymy can regulate (such as passing through slide rail) along the longitudinal direction of described platform, which increase the adjustability of frock at length direction, realize pump truck underframe soldering group cover in same pump truck underframe fixture of different length size, make whole frock adjustability simple, convenient, position is accurately fixing.In addition, under other preferred embodiment, the tip designs of such as positioning core axle has lifting bolt, thus just can easily realize the plug function of mandrel by suspender; Left and right sides front leg strut axle sleeve positioner longitudinal centre line is relative to the deviant of the mandrel patchhole on the deviant of platform longitudinal centre line, bottom positioning disk and the mandrel mating holes on location-plate, all get according to the pump truck underframe overall calculation of actual production model, a whole set of frock is so just made to have applicability more widely, workman only easily need adjust installation direction, just can apply in the group cover welding of the pump truck underframe of corresponding appearance and size, add versatility.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Following accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, and itself and following detailed description of the invention one are used from explanation the present invention, but protection scope of the present invention is not limited to following the drawings and the specific embodiments.In the accompanying drawings:
Fig. 1 and Fig. 2 is respectively schematic front view and the schematic top plan view of the pump truck underframe of a kind of model exemplarily.
Fig. 3 is the schematic front view of the pump truck underframe fixture for locating and assemble axle sleeve of the specific embodiment of the invention, and in order to the structure of clear this pump truck underframe fixture of display, in figure, local have employed and analyses and observe display format.
Fig. 4 is the schematic top plan view of the pump truck underframe fixture for locating and assemble axle sleeve shown in Fig. 3, in order to the structure of clear this pump truck underframe fixture of display, in figure, local have employed and analyses and observe display format, and wherein eliminates contour supporting seat and jack.
Fig. 5 and Fig. 6 is respectively the master being in the pump truck underframe fixture of job state shown in Fig. 3 depending on reference view and overlook reference view, wherein said pump truck underframe fixture is positioned with pump truck underframe, the pump truck underframe of two kinds of different models is shown in figure, to illustrate that pump truck underframe fixture of the present invention can be used in the assembling operation of the pump truck underframe of different model, in order to the structure of clear this pump truck underframe fixture of display, in figure, local have employed and analyses and observe display format.
Fig. 7 is the partial schematic diagram observed along A direction in Fig. 6, takes the display format of broken section in figure.
Fig. 8 is the structural representation of the front leg strut axle sleeve positioner of the pump truck underframe fixture of the specific embodiment of the invention, wherein takes the display format of broken section, and positioning core axle is positioned with the front leg strut axle sleeve of double dot dash line form display.
Fig. 9 is the schematic top plan view of the location-plate in the front leg strut axle sleeve positioner shown in Fig. 8.
Figure 10 is the schematic top plan view of the positioning disk pedestal in the front leg strut axle sleeve positioner shown in Fig. 8.
Figure 11 is the sectional structure schematic diagram of the bottom positioning disk in the front leg strut axle sleeve positioner shown in Fig. 8.
Figure 12 is the structural representation observed along the B direction in Figure 11.
Figure 13 is the partial enlargement scheme of installation of the bottom positioning disk assembly of the axle sleeve of front leg strut described in Fig. 8 positioner.
Figure 14 is the structural representation of the supporting base in the hydraulic cylinder axle sleeve positioner of the pump truck underframe fixture of the specific embodiment of the invention.
Figure 15 is the structural representation of the hydraulic cylinder axle sleeve positioner of the pump truck underframe fixture of the specific embodiment of the invention.
Description of reference numerals:
1 platform; 2 front leg strut axle sleeve positioners;
3 hydraulic cylinder axle sleeve positioners; 4 rear support leg axle sleeve positioners;
5 jack; 6 contour supporting seats;
7 slide rails; 8 bolt mechanisms;
9 platform longitudinal centre lines; 10 slide unit open slots;
11 front leg strut axle sleeve positioner longitudinal centre lines;
12 supporting bases; 13 alignment pins;
14 location top covers; 15 positioning spacers;
16 Fixed latches; 17 press strips;
18 studdles; 19 hold-down bolts;
20 slide units;
21 positioner pedestals; 22 location-plates;
23 fastening screws; 24 lifting bolts;
25 positioning core axles; 26 axle sleeve convex dishes;
27 positioning sleeves; 28 positioning disk pedestals;
Positioning disk bottom 29; 30 positioning interval covers;
31 Pore Diameter Detection covers; 32 flat keys;
33 location-plate symmetrical center line; 34 core axle hole centers;
35 keyways; 36 connecting keys install screwed hole;
37 mandrel patchholes; 101 pump truck underframe;
102 supporting leg axle sleeves; 103 supporting leg axle sleeves;
104 hydraulic cylinder axle sleeves; 105 pump truck underframe;
M deviant.
Detailed description of the invention
Be described in detail to the specific embodiment of the present invention below in conjunction with accompanying drawing, should be understood that, detailed description of the invention described herein is only for instruction and explanation of the present invention, and protection scope of the present invention is not limited to following detailed description of the invention.
First it should be noted that, in the following description, the length direction of the platform of the pump truck underframe fixture (hereinafter referred to as " pump truck underframe fixture ") for locating and assemble axle sleeve of the present invention is " longitudinal direction ", described in Fig. 3 to Fig. 6, the left end of platform is " front end ", right-hand member is " rear end ", when correspondingly pump truck underframe is located on the platform, the front portion of pump truck underframe 101 is positioned at the front part of platform 1 upper surface, and rear portion is positioned at the rear portion of platform 1 upper surface.
In addition, pump truck underframe fixture of the present invention goes for the axle sleeve assembling operation of the pump truck underframe of Multiple Type in its adjustable range, this mainly produces actual according to pump truck underframe in production practices concrete, and is not say that positioning operation assembled by the axle sleeve that pump truck underframe fixture of the present invention can be applicable to the pump truck underframe of any design form at large.Particularly, the schematic front view of the pump truck underframe of Fig. 1 and Fig. 2 display a kind of model exemplarily and schematic top plan view, it should be noted that, although the pump truck underframe 101 showing this model in Fig. 1 and Fig. 2 comprises hydraulic cylinder axle sleeve installing hole, but for some other pump truck underframe, such as adopt the pump truck underframe of swing type outrigger to be do not need, on pump truck underframe, this hydraulic cylinder is installed, therefore also just do not need to assemble hydraulic cylinder axle sleeve 104 on these pump truck underframe.Simultaneously, in production practices, the pump truck underframe of the different model of same manufacturer production, if need to install hydraulic cylinder axle sleeve 104, the position of the hydraulic cylinder axis hole installing hole on pump truck underframe is also generally fixing, is namely fixing relative to the position of the rear support leg axle sleeve installing hole on pump truck underframe 101.In addition, in production practices, the Main change of the pump truck underframe of the different model of same manufacturer production is the change of the length dimension of pump truck underframe, the position of the rear support leg axle sleeve installing hole of pump truck underframe is generally fixing using as datum hole, when the length dimension change of pump truck underframe, distance between rear support leg axle sleeve installing hole and front leg strut axle sleeve installing hole can have change, but it is left, between the front leg strut axle sleeve installing hole on a right side and left side, spacing between the rear support leg axle sleeve installing hole on right side remains unchanged for the pump truck underframe of same serial model No., the pump truck underframe of certain different series model can change, but change smaller.Situation in above-mentioned production practices makes it possible to design a kind of pump truck underframe fixture going for Multiple Type.
The detailed description of the invention of pump truck underframe fixture of the present invention is described referring to Fig. 3 to Figure 15, first the basic embodiment of pump truck underframe fixture of the present invention is described, further describes preferred embodiment and some simple variant modes of the more preferably structure of pump truck underframe fixture of the present invention on this basis.
Shown in Fig. 3 and Fig. 4, the pump truck underframe fixture of basic embodiment of the present invention comprises platform 1, the end face of this platform 1 is symmetrically installed with along the longitudinal direction both sides front leg strut axle sleeve positioner 2 and both sides rear support leg axle sleeve positioner 4, and the end face of this platform 1 is also provided with for supporting described pump truck underframe 101 and regulating the supporting and regulating device of this pump truck underframe 101 height and position, front leg strut axle sleeve positioner 2 described in each and the spacing between the described rear support leg axle sleeve positioner 4 of its homonymy can regulate along the longitudinal direction of described platform 1, and before described, the structure of rear support leg axle sleeve positioner 2 is identical, before described in each, rear support leg axle sleeve positioner 2, 4 comprise the positioning core axle 25 for being inserted in the supporting leg axle sleeve installing hole of described pump truck underframe 101 respectively, for being set on the positioning sleeve assembly coordinated on described positioning core axle 25 and with the outer peripheral face of this positioning core axle 25, and for supporting the bottom positioning disk assembly of this positioning core axle 25 at described positioning core axle 25 end portion, each keeper in described positioning sleeve assembly can with the respective leg axle sleeve 102 be arranged in described supporting leg axle sleeve installing hole, the axle sleeve through hole of 103 coordinates to locate this supporting leg axle sleeve 102, 103.
By the pump truck underframe fixture of the above-mentioned basic embodiment of the present invention, because this pump truck underframe fixture comprises platform 1, front and back supporting leg axle sleeve positioner 2,4 and supporting and regulating device, and each forward and backward supporting leg axle sleeve positioner 2,4 include for the positioning core axle 25 of positioning shaft sleeve, positioning sleeve assembly and positioning disk assembly, therefore, it is possible to effectively position assembling to pump truck underframe 101.Simultaneously, because the spacing between front leg strut axle sleeve positioner 2 and rear support leg axle sleeve positioner 4 can regulate, therefore the pump truck underframe fixture of this basic embodiment at least can be used in the pump truck underframe 101,105 of the different model of assembled length change in size.
To those skilled in the art, within the scope of the technical conceive of the pump truck underframe fixture of above-mentioned basic embodiment, multiple more concrete preferred embodiment or simple variant mode can be had, be below explained.
One, in above-mentioned basic embodiment, platform 1 is the carrier of pump truck underframe fixture of the present invention, and its end face ensures certain flatness, and the present invention does not do concrete restriction to its structure.Platform 1 can adopt various applicable material manufacture, as long as ensure support strength, from manufacture and cost angle, platform 1 can be cast iron platform.
They are two years old, above-mentioned supporting and regulating device is mainly used in supporting and regulates the height and position of pump truck underframe 101 or 105, with the top making pump truck underframe essentially horizontally be bearing in the end face of platform 1, for those skilled in the art, this can be realized by multiple known technology means.Such as, shown in Figure 3, the described supporting and regulating device longitudinal direction comprised along described platform is symmetricly set on the several contour supporting seat 6 on described platform end face, four contour supporting bases 6 are shown in Fig. 3, apparently, the height of each contour supporting seat 6 is identical, for support pump truck underframe 101, shape due to pump truck underframe 101 has certain scrambling, therefore pump truck underframe 101 usually has tilt phenomenon on contour supporting seat 6, therefore, described supporting and regulating device also comprises and is adjacent to contour supporting base 6 described in each and is arranged on the several jack 5 on the end face of described platform 1, namely these jack 5 correspond respectively to corresponding described contour supporting base 68, jack is self-made components, realize adjustable by T-shaped screw thread.Like this, when certain part of pump truck underframe 1 occurs tilting not at ordinary times, can be regulated by jack 5.
They are three years old, pump truck underframe 101 due to some models needs to install hydraulic cylinder, the pump truck underframe 101 of i.e. these models has hydraulic cylinder axle sleeve installing hole, thus need on a left side, in the hydraulic cylinder axle sleeve installing hole of right side, hydraulic cylinder axle sleeve 104 is installed, therefore, preferably, pump truck underframe fixture of the present invention also comprises the symmetrical hydraulic cylinder axle sleeve positioner 3 be arranged on described platform 1 end face of longitudinal direction along described platform 1, described hydraulic cylinder axle sleeve positioner 3 on the longitudinal direction along described platform between described front leg strut axle sleeve positioner 2 and rear support leg axle sleeve positioner 4.To those skilled in the art, hydraulic cylinder axle sleeve positioner 3 is mainly used in locating and assembles hydraulic cylinder axle sleeve 104, it can have multiple concrete structure, such as, see Fig. 3, shown in Figure 14 and Figure 15, described in each, hydraulic cylinder axle sleeve positioner 3 comprises supporting base 12, for coordinating the alignment pin 13 of locating this hydraulic cylinder axle sleeve 104 with the axle sleeve through hole of hydraulic cylinder axle sleeve 104, location top cover 14 and positioning spacer 15, described supporting base 12 comprises the pedestal bottom plate be removably mounted on described platform 1 end face and the support plate be positioned at above this pedestal bottom plate, this support plate has the dowel hole coordinated with described alignment pin 13, described location top cover 14 and positioning spacer 15 can be set on described alignment pin 13 and to coordinate with the outer peripheral face of this alignment pin 13.In a state of use, location top cover 14 is for being supported on the support plate of described supporting base 12, then stack gradually and lower hydraulic cylinder axle sleeve 104 (being installed in the lower hydraulic cylinder axle sleeve installing hole of pump truck underframe 101) is installed, positioning spacer 15 and upper hydraulic cylinder axle sleeve 104 (being installed in the upper hydraulic cylinder axle sleeve installing hole of pump truck underframe 101), then alignment pin 13 is inserted upper hydraulic cylinder axle sleeve 104 from the top down successively, positioning spacer 15, lower hydraulic cylinder axle sleeve 104, in the dowel hole of the support plate of location top cover 14 and supporting base 13, thus play positioning action.That is, supporting base 12 is such as bolted on platform 1, and adopt location top cover 14 to support lower hydraulic cylinder axle sleeve 104 and determine to make the height of this lower hydraulic cylinder axle sleeve 104, positioning spacer 15 is contained between upper and lower two hydraulic cylinder axle sleeves; The position of upper and lower two hydraulic cylinder axle sleeves is all located by alignment pin 13.Shown in Figure 14, due in actual installation process, the pedestal bottom plate of supporting base 12 often with other parts (example slide rail described as follows) on platform 1, therefore preferably, the structure of supporting base 12 is formed as offset structure, namely the support plate of described supporting base 12 protrudes relative to described pedestal bottom plate and extends, and with other parts (such as slide rail) making pedestal bottom plate can avoid interference on platform 1, can ensure again the position of dowel hole simultaneously.
They are four years old, as mentioned above, front leg strut axle sleeve positioner 2 described in each and the spacing between the described rear support leg axle sleeve positioner 4 of its homonymy can regulate along the longitudinal direction of described platform 1, that is, spacing between front leg strut axle sleeve positioner 2 and rear support leg axle sleeve positioner 4 can change, due in production practices, rear support leg axle sleeve installing hole general position on pump truck underframe 101 is fixed, usually used as datum hole, therefore, preferably, described rear support leg axle sleeve positioner 4 fixing (such as by bolt etc.) is on the end face of described platform 1, the end face that described front leg strut axle sleeve positioner 2 is arranged on described platform 1 can change position location to regulate the spacing between described front leg strut axle sleeve positioner 2 and rear support leg axle sleeve positioner 4 along the longitudinal direction of described platform 1.Certainly, the present invention is not limited thereto, and rear support leg axle sleeve positioner 4 can change installation site and also belong to protection scope of the present invention.
They are five years old, within the scope of technical conceive of the present invention, because front leg strut axle sleeve positioner 2 and rear support leg axle sleeve positioner 4 are all for locating corresponding supporting leg axle sleeve, such as anterior supporting leg axle sleeve 102 and the supporting leg axle sleeve 104 at rear portion, therefore front leg strut axle sleeve positioner 2 is identical with the structure of rear support leg axle sleeve positioner 4.As mentioned above, each forward and backward supporting leg axle sleeve positioner 2,4 comprise positioning core axle 25, positioning sleeve assembly and positioning disk assembly respectively, each keeper in described positioning sleeve assembly can with the respective leg axle sleeve 102 be arranged in described supporting leg axle sleeve installing hole, the axle sleeve through hole of 103 coordinates to locate this supporting leg axle sleeve 102,103.
To those skilled in the art, within the scope of the technical conceive of above-mentioned basic embodiment, it can expect the multiple concrete structure positioned upper and lower leg shaft cover by positioning core axle 25, positioning sleeve assembly and positioning disk assembly.Such as, see shown in Fig. 8 to Figure 13, before described in each, rear support leg axle sleeve positioner 2, 4 comprise positioner pedestal 21 respectively, this positioner pedestal 21 has mounting base, and the top of this positioner pedestal 21 is provided with the location-plate 22 with mandrel mating holes, keeper in described positioning sleeve assembly comprises three axle sleeve convex dishes 26 and positioning sleeve 27, axle sleeve convex dish 26 and positioning sleeve 27 described in each can be set on described positioning core axle 25 and to coordinate with the outer peripheral face of this positioning core axle 25, axle sleeve convex dish 26 described in each has projection and this projection can extend in the axle sleeve through hole of described supporting leg axle sleeve 102, the outer peripheral face of described projection can coordinate with the inner peripheral surface of the axle sleeve through hole of described supporting leg axle sleeve 102, to locate accordingly, lower supporting leg axle sleeve 102, described positioning disk assembly comprises positioning disk pedestal 28, bottom positioning disk 29 and positioning interval cover 30, described positioning disk pedestal 28 is arranged on the mounting base of described positioner pedestal 21, this positioning disk pedestal 28 has the positioning disk putting hole for placing described bottom positioning disk 29, described bottom positioning disk 29 has convex platform, positioning disk main body and lower convex platform, and be formed and run through described convex platform, the mandrel patchhole 37 of positioning disk main body and lower convex platform, described positioning interval cover 30 can coordinate by sleeve on described convex platform and with the outer peripheral face of this convex platform, and the outer peripheral face of this positioning interval cover 30 can coordinate with the inner peripheral surface of the axle sleeve through hole of described supporting leg axle sleeve 102, described lower convex platform can insert be coupled to described positioning disk pedestal 28 positioning disk putting hole in, the diameter of the end portion of described positioning core axle 25 is less than the main part of this positioning core axle 25, multidiameter is formed as to make this positioning core axle 25, the end portion of this positioning core axle 25 can be inserted in described mandrel patchhole 37 and to coordinate with this mandrel patchhole 37, to be supported the stair-step face of described positioning core axle 25 by the end face of described convex platform.In said structure, more specifically, the outer peripheral face of the lower convex platform of bottom positioning disk 29 is provided with or is formed with flat key 32, the inner peripheral surface of the positioning disk putting hole of described positioning disk pedestal 28 is formed with the keyway 35 coordinated with this flat key 32, described lower convex platform is located by the cooperation of this flat key 32 and keyway 35 be coupled to the state in described positioning disk putting hole in insertion under.
In the present invention, front leg strut axle sleeve positioner longitudinal centre line 11 can be determined according to the pump truck underframe of actual production relative to the distance of platform longitudinal centre line 9.On this basis, see Fig. 9, Figure 10 and Figure 12, the circle central axis 34 of the mandrel mating holes on above-mentioned location-plate 22 has offset m relative to the symmetrical center line 33 of described location-plate 22, the circle central axis of the mandrel patchhole 37 on above-mentioned bottom positioning disk 29 has described offset m relative to the circle central axis of positioning disk bottom this 29, the inner peripheral surface of the positioning disk putting hole of described positioning disk pedestal 28 is symmetrically formed described keyway 35, can have selected according to situation for the above-mentioned offset m of different manufacturers.Like this, by upset, described location-plate 22 be installed and rotate described bottom positioning disk 29, pump truck underframe fixture of the present invention can be made can be applicable to the pump truck underframe of at least two kinds of different series models.Particularly, such as, if offset m is taken as 8mm, when a left side for pump truck underframe 101, when spacing between right front supporting leg axle sleeve installing hole is 90mm, location-plate 2 can be installed as and make its mandrel mating holes more near the platform longitudinal centre line 9 of platform 1, bottom positioning disk 29 is also installed as and makes mandrel patchhole 37 more near the platform longitudinal centre line 9 of platform 1 simultaneously, spacing between positioning core axle 25 on the front leg strut axle sleeve positioner 2 of now both sides is such as 96mm, then go for a left side for pump truck underframe 101, spacing between right front supporting leg axle sleeve installing hole is the pump truck underframe of 96mm, and work as a left side for pump truck underframe 101, when spacing between right front supporting leg axle sleeve installing hole is 112mm, namely when pump truck underframe 101 is the pump truck underframe of another serial model No., location-plate 2 upset is installed as and makes its mandrel mating holes more away from the platform longitudinal centre line 9 of platform 1, bottom positioning disk 29 rotates to be installed as and makes mandrel patchhole 37 more away from the platform longitudinal centre line 9 of platform 1 simultaneously, spacing between positioning core axle 25 on the front leg strut axle sleeve positioner 2 of such both sides can be increased to 112mm, thus go for such as left, spacing between right front supporting leg axle sleeve installing hole is the pump truck underframe of 112mm.
Before above-mentioned concrete structure, when rear support leg axle sleeve positioner, such as, for front leg strut axle sleeve positioner 2, erection sequence concrete is in an assembling process for insert in positioning disk pedestal 28 by bottom positioning disk 29, and then stacked positioning interval overlaps 30 successively, anterior lower supporting leg axle sleeve 102 (under being installed on the front portion of pump truck underframe 101, supporting leg axle sleeve installing hole is interior), first axle sleeve convex dish 26, positioning sleeve 27, second axle sleeve convex dish 26, anterior upper supporting leg axle sleeve 102 (being installed in the anterior upper supporting leg axle sleeve installing hole of pump truck underframe 101), 3rd axle sleeve convex dish 26, positioning core axle 25 inserts the mandrel mating holes of location-plate 22 from the top down successively, 3rd axle sleeve convex dish 26, anterior upper supporting leg axle sleeve 102, second axle sleeve convex dish 26, positioning sleeve 27, first axle sleeve convex dish 26, front portion is descended in supporting leg axle sleeve 102 and bottom positioning disk 29, and is supported on by the stair-step face of its end portion on the end face of bottom positioning disk 29.
In addition, with regard to more specifically structure, such as, positioner pedestal 21 can be welded into box-structure by plurality of plates, wherein for the mounting base of the positioner pedestal 21 of front leg strut axle sleeve positioner 2, because front leg strut axle sleeve positioner 2 needs to change position, therefore the mounting base of its positioner pedestal 21 can be fixed by bolts to slide slide unit on (will be discussed in more detail below), for the mounting base of the positioner pedestal 21 in rear support leg axle sleeve positioner 4, then can directly be bolted on the end face of platform 1.For another example, location-plate 22 generally can be bolted on the top of positioner pedestal 21, and can carry out secondary location by fastening screw 23, and the top of positioner pedestal 21 needs to be formed with corresponding pin hole in this case apparently.And for example, the top of positioning core axle 25 can be provided with lifting bolt 24, the lifting of such positioning core axle or insert more convenient.In addition, described forward and backward supporting leg axle sleeve positioner 2,4 can also comprise the Pore Diameter Detection cover 31 for detecting described supporting leg axle sleeve installing hole respectively, and this Pore Diameter Detection cover 31 can to wear on described positioning core axle 25 and to coordinate with the outer peripheral face of this positioning core axle 25.To detect the aperture of the supporting leg axle sleeve installing hole on pump truck underframe 101, to determine whether to need to repair supporting leg axle sleeve installing hole before assembling axle sleeve.
They are six years old, as mentioned above, front leg strut axle sleeve positioner 2 described in each and the spacing between the described rear support leg axle sleeve positioner 4 of its homonymy can regulate along the longitudinal direction of described platform 1, and this can have the technological means of multiple specific implementation to those skilled in the art.Shown in Fig. 3, Fig. 4 and Fig. 7, longitudinal direction along this platform 1 on the end face of described platform 1 is symmetrically installed with slide rail 7, front leg strut axle sleeve positioner 2 described in each is arranged on corresponding slide unit 20 respectively, and the bottom of slide unit 20 described in each has the slide be slidably matched with corresponding described slide rail 7.Apparently, the slide rail of every side can comprise two one slide rails 7 of front leg strut axle sleeve positioner longitudinal centre line 11 symmetry relative to this side, and the bottom of corresponding rice lattice slide unit 20 is provided with two slides.Slide on slide rail 7 by making slide unit 20, thus the position of front leg strut axle sleeve positioner 2 is changed, therefore front leg strut axle sleeve positioner 2 described in each and the spacing between the described rear support leg axle sleeve positioner 4 of its homonymy can regulate along the longitudinal direction of described platform 1.Certainly, for those skilled in the art, the mounting means of front leg strut axle sleeve positioner 2 is not limited to the mode of above-mentioned slide rail, the most simply, can also according to the length of the pump truck underframe 101 of the different model of required assembling, the end face of platform 1 is formed the threaded mounting hole corresponding to different model pump truck underframe 101 length, like this when assembling the pump truck underframe of specific model, front leg strut axle sleeve positioner 2 is arranged in corresponding threaded mounting hole, this simple variant mode also can realize the object regulating front leg strut axle sleeve positioner 2, certainly, those skilled in the art can also expect other embodiment, as long as the position adjustments of front leg strut axle sleeve positioner 2 can be realized.
In the preferred embodiment of above-mentioned employing slide rail 7, preferably, the end face both sides longitudinal edge of described platform 1 is also symmetrically installed with multiple bolt mechanism 8, described in each, bolt mechanism 8 comprises Fixed latches 16 respectively, slide unit 20 described in each has the pin hole for inserting described Fixed latches 16.Like this, when the assembling position that slide unit 20 drives front leg strut axle sleeve positioner 2 to slide into corresponding to the pump truck underframe of respective model, by the Fixed latches 16 of respective pins mechanism 8, slide unit 20 can be locked.
Unreliable in order to prevent from locking by means of only Fixed latches 16, preferably, the end face of described platform 1 also corresponds to slide unit 20 described in each and press strip 17 is installed, described in each, press strip 17 is formed with T-slot, T-slot described in each is provided with hold-down bolt 19, slide unit 20 described in each is formed with slide unit open slot 10, the bolt head of described hold-down bolt 19 is positioned at described T-slot, and the screw portion of described hold-down bolt 19 is through the slide unit open slot 10 on corresponding described slide unit 20 and threaded engagement has nut.Like this, when needs slip slide unit 20, nut slip slide unit 20 can be unclamped, when slide unit 20 slides into the position of requirement, after Fixed latches 16 locks, by clamp nut, slide unit 20 can be reliably fixed further.
In addition, in order to strengthen the stability of slide unit 20, slide unit 20 described in each is also formed with screwed hole, studdle 18 is installed in this screwed hole, preferably, slide unit 20 described in each is provided with two described studdles 18, this studdle 18 is arranged symmetrically with relative to slide unit open slot 10 described in each.When slide unit 20 slides into the position of requirement, revolve studdle 18 by twisting, and make studdle 18 be supported on the end face of platform 1, thus increase the support stiffness of slip 20, strengthen its stability.
The foregoing describe preferred embodiment and the simple variant mode of some concrete structures of pump truck underframe fixture of the present invention, technical scheme of the present invention is more profoundly understood for helping those skilled in the art, pump truck underframe fixture below in conjunction with the preferred structure of the present invention shown in Fig. 3 to Figure 15 illustrates the function that all parts will realize, and its operating process of simple description of subsidiary property ground.
Particularly, four contour supporting seats 6 are arranged on the four direction of platform 1, equidirectionally also be provided with jack 5, when finding that pump truck underframe 101 or 105 has any overturning angle, rotate the handle of the jack 5 of corresponding orientation, the height of adjustment pump truck underframe, makes pump truck underframe be placed on best assembling position; Rear support leg axle sleeve positioner 4 is fixing on the platform 1, position is non-adjustable, when the pump truck underframe of different model be placed on platform needs to carry out group cover time, later supporting leg axle sleeve positioner 4 is benchmark, adjustment front leg strut axle sleeve positioner 2, namely makes above-mentioned slide unit 20 slide; By the position of bolt mechanism 8 designed, according to the pump truck underframe of respective model, adopt the Fixed latches 16 of the bolt mechanism 8 of correspondence position, determine to carry out position to front leg strut axle sleeve positioner 2, latch 16 is inserted in the pin hole of slide unit 20; After the position of front leg strut axle sleeve positioner 2 determines, the bolt head of hold-down bolt 19 is placed in the T-slot of press strip 17, and the screw portion of hold-down bolt 19 is slipped in the slide unit open slot 10 of slide unit 20, tighten the nut on hold-down bolt, its position is completely fixed; Slide unit 20 carry out single-point fixing while, for preventing stressed the generations distortion of single-point, at the two positions place, left and right of hold-down bolt 10, being supported by studdle 18, under studdle 19 supporting role, making slide unit 20 and platform 1 keep horizontal level all the time.
The function of front leg strut axle sleeve positioner 2 is specially: front leg strut axle sleeve positioner longitudinal centre line 11 is the longitudinal centre line of corresponding slide unit 20.Apparently, the longitudinal centre line 11 of the front leg strut axle sleeve positioner 2 of the longitudinal both sides of platform 1 is symmetrical relative to platform longitudinal centre line; Positioning disk pedestal bolt is contained on the pedestal on front-end shaft sleeve positioner center line; The longitudinal centre line 11 of the front leg strut axle sleeve positioner 2 of both sides, relative to the deviant of the mandrel mating holes on the deviant of the mandrel patchhole on the side-play amount of platform longitudinal centre line 9, bottom positioning disk 29, location-plate 22, can be determined according to the product type of required production; When the center of the left and right sides supporting leg axle sleeve installing hole of pump truck underframe 101 offsets relative to the front leg strut axle sleeve positioner longitudinal center alignment platform longitudinal centre line 9 of homonymy, make that the mandrel mating holes of both sides location-plate 22 is relative with the mandrel patchhole of bottom positioning disk 29 is close to platform longitudinal centre line 9, and be loaded on the top of positioner pedestal 21 respectively and be placed in the positioning disk putting hole of positioning disk pedestal 28; Otherwise by relative with the mandrel patchhole of bottom positioning disk for the mandrel mating holes of both sides location-plate away from platform longitudinal midline line, be loaded on the top of positioner pedestal 21 respectively and be placed in the positioning disk putting hole of positioning disk pedestal 28; In the positioning disk putting hole of positioning disk pedestal 28, symmetry has dowel hole, can realize the installation of the above-mentioned two kinds of forms of bottom positioning disk 29, as long as chassis positioning disk 29 is revolved turnback, location-plate 22 is owing to being symmetrical, and upset is installed.
By inserting positioning core axle 25, the center of positioning core axle 25 is the center of the upper and lower supporting leg axle sleeve of pump truck underframe, fixing of positioning core axle position, can realize the fixing of supporting leg axle sleeve position.Particularly, before encapsulation, first the aperture of the axle sleeve of the supporting leg up and down installing hole on pump truck underframe 101 is detected, the external diameter of Pore Diameter Detection cover 31 equals the aperture of supporting leg axle sleeve installing hole, when discovery aperture shapes has skew, reconditioning need be carried out to this, taking-up outside diameter measuring cover after reconditioning completes; Hang out positioning core axle 25 part, be respectively charged into anterior lower supporting leg axle sleeve 102, first axle sleeve convex dish 26, positioning sleeve 27, second axle sleeve convex dish 26, anterior upper underframe axle sleeve 102, the 3rd axle sleeve convex dish 26 by order from top to bottom; And then insert positioning core axle 26, the center of the axle sleeve of supporting leg up and down of front portion is fixed, shown in Figure 13, the external diameter of positioning interval cover 30 sheathed on the convex platform of bottom positioning disk 29 equals the internal diameter of anterior lower supporting leg axle sleeve, the bottom of anterior lower supporting leg axle sleeve is placed on the positioning disk 29 of bottom, fixed one end by positioning interval cover 30, the above-mentioned first axle sleeve convex dish 26 of the other end is fixed; Well known, the supporting leg axle sleeve of the side of pump truck underframe is upper and lower distributed architecture (front leg axle sleeve, rear portion supporting leg axle sleeve and hydraulic cylinder axle sleeve are all like this), after the lower supporting leg axle sleeve position of front portion fixes, positioning sleeve 27 is used for locating anterior upper supporting leg axle sleeve; One end of above-mentioned second upper end axle sleeve convex dish is inserted in the axle sleeve through hole of anterior upper supporting leg axle sleeve respectively, and then inserted successively from the top down in the mandrel mating holes of location-plate 22, the 3rd axle sleeve convex dish 26, anterior upper supporting leg axle sleeve 102, second axle sleeve convex dish 26, positioning sleeve 27, first axle sleeve convex dish 26, anterior lower supporting leg axle sleeve 102 and bottom positioning disk 29 by positioning core axle 25, the cover of leg shaft up and down of front portion is positioned; The grade of tolerance of relevant axis hole location is generally IT7 ~ 9 grade, this high-precision shaft hole matching, center position offsets can be prevented excessive, ensure that the concentricity of upper and lower supporting leg axle sleeve is in allowed band well, and make the center of the supporting leg axle sleeve of side relative to the position deviation of integrated bottom frame in allowed band.
The operating principle of rear support leg axle sleeve positioner 4 and process and front leg strut axle sleeve positioner 2, except without the need to mobile outer basic simlarity, repeat no more;
Equally, hydraulic cylinder axle sleeve positioner 3 is also the center being determined hydraulic cylinder axle sleeve by alignment pin.Location top cover 14 determines the height of lower cylinder axle sleeve, positioning spacer 15 determines the height of hydraulic cylinder axle sleeve on the Distance geometry between two hydraulic cylinder axle sleeves, and insert successively from the top down in the dowel hole of the support plate of upper hydraulic cylinder axle sleeve 104, positioning spacer 15, lower hydraulic cylinder axle sleeve 104, location top cover 14 and supporting base 13, thus play positioning action.
As can be seen from upper description, the present invention provides a kind of pump truck underframe fixture for locating and assemble axle sleeve, its advantage is the welding assembly of the hydraulic cylinder axle sleeve of the axle sleeve weldering cover assembling of the leg swinging pump truck underframe that can be used in Multiple Type and the telescopic outrigger formula pump truck underframe of respective model, it can improve welding quality, reduce distortion overproof, increase work efficiency, front leg strut axle sleeve positioner 2 described in each and the spacing between the described rear support leg axle sleeve positioner 4 of its homonymy can regulate (such as passing through slide rail) along the longitudinal direction of described platform 1, add the adjustability of frock at length direction, realize pump truck underframe soldering group cover in same pump truck underframe fixture of different length size, make whole frock adjustability simple, convenient, position is accurately fixing.In addition, under preferred embodiment, the tip designs of positioning core axle has lifting bolt, thus just can easily realize the plug function of mandrel by suspender; Left and right sides front leg strut axle sleeve positioner longitudinal centre line is relative to the deviant of the mandrel patchhole on the deviant of platform longitudinal centre line, bottom positioning disk and the mandrel mating holes on location-plate, all get according to the pump truck underframe overall calculation of actual production model, a whole set of frock is so just made to have applicability more widely, workman only easily need adjust installation direction, just can apply in the group cover welding of the pump truck underframe of corresponding appearance and size, add versatility.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (18)
1. for locating and assemble the pump truck underframe fixture of axle sleeve, wherein, this pump truck underframe fixture comprises platform (1), the end face of this platform is symmetrically installed with along the longitudinal direction both sides front leg strut axle sleeve positioner (2) and both sides rear support leg axle sleeve positioner (4), and the end face of this platform (1) is also provided with for supporting described pump truck underframe (101; 105) and regulate this pump truck underframe (101; 105) supporting and regulating device of height and position,
Front leg strut axle sleeve positioner (2) described in each and the spacing between the described rear support leg axle sleeve positioner (4) of homonymy can regulate along the longitudinal direction of described platform (1), described in each, forward and backward supporting leg axle sleeve positioner (2,4) comprises for being inserted into described pump truck underframe (101 respectively; 105) positioning core axle (25) in supporting leg axle sleeve installing hole, for being set on described positioning core axle (25) upper and the positioning sleeve assembly coordinated with the outer peripheral face of this positioning core axle (25) and the bottom positioning disk assembly for supporting this positioning core axle (25) at described positioning core axle (25) end portion, each keeper in described positioning sleeve assembly can with the respective leg axle sleeve (102 be arranged in described supporting leg axle sleeve installing hole; 103) axle sleeve through hole coordinates to locate this supporting leg axle sleeve (102; 103).
2. pump truck underframe fixture according to claim 1, wherein, the described supporting and regulating device longitudinal direction comprised along described platform (1) is symmetricly set on the several contour supporting seat (6) on described platform end face and is adjacent to contour supporting base (6) described in each and is arranged on several jack (5) on the end face of described platform (1).
3. pump truck underframe fixture according to claim 1, wherein, the described pump truck underframe fixture longitudinal direction symmetry also comprised along described platform (1) is arranged on the hydraulic cylinder axle sleeve positioner (3) on described platform (1) end face, and described hydraulic cylinder axle sleeve positioner (3) is positioned between described front leg strut axle sleeve positioner (2) and rear support leg axle sleeve positioner (4) on the longitudinal direction along described platform.
4. pump truck underframe fixture according to claim 3, wherein, described in each, hydraulic cylinder axle sleeve positioner (3) comprises supporting base (12), for coordinating the alignment pin (13) of locating this hydraulic cylinder axle sleeve (104) with the axle sleeve through hole of hydraulic cylinder axle sleeve (104), location top cover (14) and positioning spacer (15), described supporting base (12) comprises the pedestal bottom plate be arranged on described platform (1) end face and the support plate be positioned at above this pedestal bottom plate, this support plate has the dowel hole coordinated with described alignment pin (13), described location top cover (14) and positioning spacer (15) can be set on described alignment pin (13) and go up and coordinate with the outer peripheral face of this alignment pin (13).
5. pump truck underframe fixture according to claim 4, wherein, the support plate of described supporting base (12) protrudes relative to this pedestal bottom plate and extends above described pedestal bottom plate.
6. pump truck underframe fixture according to claim 1, wherein, described rear support leg axle sleeve positioner (4) is fixed on the end face of described platform (1), and the end face that described front leg strut axle sleeve positioner (2) is arranged on described platform (1) can change position location to regulate the spacing between described front leg strut axle sleeve positioner (2) and rear support leg axle sleeve positioner (4) along the longitudinal direction of this platform (1).
7. pump truck underframe fixture according to claim 6, wherein, forward and backward supporting leg axle sleeve positioner (2 described in each, 4) positioner pedestal (21) is also comprised respectively, this positioner pedestal (21) has mounting base, and the top of this positioner pedestal (21) is provided with the location-plate (22) with mandrel mating holes.
8. pump truck underframe fixture according to claim 7, wherein, described location-plate (22) is bolted on the top of described positioner pedestal (21), and by fastening screw (23) location.
9. pump truck underframe fixture according to claim 7, wherein, keeper in described positioning sleeve assembly comprises three axle sleeve convex dishes (26) and positioning sleeve (27), and axle sleeve convex dish (26) described in each has projection and this projection can extend into described supporting leg axle sleeve (102; 103) in axle sleeve through hole, the outer peripheral face of described projection can with described supporting leg axle sleeve (102; 103) inner peripheral surface of axle sleeve through hole coordinates, to locate corresponding described supporting leg axle sleeve.
10. pump truck underframe fixture according to claim 9, wherein, described positioning disk assembly comprises positioning disk pedestal (28), bottom positioning disk (29) and positioning interval cover (30), described positioning disk pedestal (28) is arranged on the mounting base of described positioner pedestal (21), this positioning disk pedestal (28) has the positioning disk putting hole for placing described bottom positioning disk (29), described bottom positioning disk (29) has convex platform, positioning disk main body and lower convex platform, and be formed and run through described convex platform, the mandrel patchhole (37) of positioning disk main body and lower convex platform, described positioning interval cover (30) can coordinate by sleeve on described convex platform and with the outer peripheral face of this convex platform, and the outer peripheral face of this positioning interval cover (30) can with described supporting leg axle sleeve (102, 103) inner peripheral surface of axle sleeve through hole coordinates, described lower convex platform can insert be coupled to described positioning disk pedestal (28) positioning disk putting hole in, the diameter of the end portion of described positioning core axle (25) is less than the main part of this positioning core axle (25), multidiameter is formed as to make this positioning core axle (25), the end portion of this positioning core axle (25) can be inserted in described mandrel patchhole (37) and to coordinate with this mandrel patchhole (27), to be supported the stair-step face of described positioning core axle (25) by the end face of described convex platform.
11. pump truck underframe fixture according to claim 10, wherein, the outer peripheral face of the lower convex platform of described bottom positioning disk (29) is provided with or is formed with flat key (32), the inner peripheral surface of the positioning disk putting hole of described positioning disk pedestal (28) is formed with the keyway (35) coordinated with this flat key (32), described lower convex platform is located by the cooperation of this flat key (32) and keyway (35) inserting under the state being coupled in described positioning disk putting hole.
12. pump truck underframe fixture according to claim 11, wherein, the circle central axis (34) of the mandrel mating holes on described location-plate (22) has deviant (m) relative to the symmetrical center line (33) of described location-plate (22), the circle central axis of the mandrel patchhole (37) on described bottom positioning disk (29) has described deviant (m) relative to the circle central axis of positioning disk bottom this (29), and the inner peripheral surface of the positioning disk putting hole of described positioning disk pedestal (28) has been symmetrically formed described keyway (35).
13. pump truck underframe fixture according to claim 1, wherein, described forward and backward supporting leg axle sleeve positioner (2,4) also comprise the Pore Diameter Detection cover (31) for detecting described supporting leg axle sleeve installing hole respectively, this Pore Diameter Detection cover (31) can wear described positioning core axle (25) and goes up and coordinate with the outer peripheral face of this positioning core axle (25).
14. pump truck underframe fixture according to any one of claim 1 to 13, wherein, the end face of described platform (1) is symmetrically installed with slide rail (7) along the longitudinal direction of this platform (1), front leg strut axle sleeve positioner (2) described in each is arranged on corresponding slide unit (20) respectively, and the bottom of slide unit described in each (20) has the slide be slidably matched with corresponding described slide rail (7).
15. pump truck underframe fixture according to claim 14, wherein, the end face both sides longitudinal edge of described platform (1) is also symmetrically installed with multiple bolt mechanism (8), bolt mechanism described in each (8) comprises Fixed latches (16) respectively, slide unit described in each (20) has the pin hole for inserting described Fixed latches (16).
16. pump truck underframe fixture according to claim 15, wherein, the end face of described platform (1) also corresponds to slide unit (20) described in each and press strip (17) is installed, press strip described in each (17) is formed with T-slot, T-slot described in each is provided with hold-down bolt (19), slide unit described in each (20) is formed with slide unit open slot (10), the bolt head of described hold-down bolt (19) is positioned at described T-slot, and the screw portion of described hold-down bolt (19) is through the slide unit open slot (10) on corresponding described slide unit (20) and threaded engagement has nut.
17. pump truck underframe fixture according to claim 15, wherein, (20) are also formed with screwed hole to slide unit described in each, are provided with studdle (18) in this screwed hole.
18. pump truck underframe fixture according to claim 17, wherein, slide unit described in each (20) is provided with two described studdles (18), this studdle (18) is arranged symmetrically with relative to slide unit open slot (10) described in each.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004021.1A CN103192208B (en) | 2012-01-06 | 2012-01-06 | Pump truck underframe fixture for positioning and assembling shaft sleeve |
| PCT/CN2012/086111 WO2013102391A1 (en) | 2012-01-06 | 2012-12-07 | Pump truck chassis construction clamp for positioning and assembling bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004021.1A CN103192208B (en) | 2012-01-06 | 2012-01-06 | Pump truck underframe fixture for positioning and assembling shaft sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103192208A CN103192208A (en) | 2013-07-10 |
| CN103192208B true CN103192208B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210004021.1A Active CN103192208B (en) | 2012-01-06 | 2012-01-06 | Pump truck underframe fixture for positioning and assembling shaft sleeve |
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| Country | Link |
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| CN (1) | CN103192208B (en) |
| WO (1) | WO2013102391A1 (en) |
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| CN104014966B (en) * | 2014-06-06 | 2016-05-04 | 重庆吉替起重设备有限公司 | Mounting bracket assembly tooling |
| CN104588950A (en) * | 2014-12-17 | 2015-05-06 | 常熟市华星精密铸件有限公司 | Welding tool clamp |
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| CN109865965A (en) * | 2019-01-11 | 2019-06-11 | 李耀熙 | A kind of detection flexible welding clamp and its working method automatically |
| CN111805143B (en) * | 2020-07-15 | 2021-10-29 | 安徽江淮汽车集团股份有限公司 | Positioning tool |
| CN111958180A (en) * | 2020-07-24 | 2020-11-20 | 中国航空工业集团公司济南特种结构研究所 | Process device and method for aligning multi-layer FSS screen arrays |
| CN113020868A (en) * | 2021-03-15 | 2021-06-25 | 中联重科股份有限公司 | Welding method of underframe assembly, underframe assembly and concrete pump truck with same |
| CN113927913B (en) * | 2021-11-27 | 2024-06-04 | 湖南坤鼎数控科技有限公司 | Underframe structure rivet welding frock |
| CN114012371A (en) * | 2021-12-27 | 2022-02-08 | 黄秀芳 | Reciprocating pump high-precision rack welding technical scheme and tool structure |
| CN117139963A (en) * | 2023-10-11 | 2023-12-01 | 南京合信自动化有限公司 | Automatic assembly welding mechanism for outer arm of scissor type high-altitude platform for workpieces with symmetrical structures |
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| CN201023436Y (en) * | 2006-11-16 | 2008-02-20 | 湖北楚天工程机械有限公司 | Concrete pump vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103192208A (en) | 2013-07-10 |
| WO2013102391A1 (en) | 2013-07-11 |
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