CN213998310U - Cab welding detection platform - Google Patents
Cab welding detection platform Download PDFInfo
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- CN213998310U CN213998310U CN202022941265.5U CN202022941265U CN213998310U CN 213998310 U CN213998310 U CN 213998310U CN 202022941265 U CN202022941265 U CN 202022941265U CN 213998310 U CN213998310 U CN 213998310U
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Abstract
The utility model discloses a cab welding testing platform, include: the device comprises a base, two side wall positioning devices, a cab rear end wall positioning device, a cab front end positioning device and a detection positioning device; the detection positioning device is provided with a plurality of positioning blocks at corresponding positions of the cab roof camber beam so as to position the cab roof camber beam. The utility model discloses a cab welding test platform provides one kind and can carry out the group simultaneously to reaching the assembly welding device of the streamlined cab steel construction that detects, has solved current assembly welding inefficiency, and the precision is poor, and the unable scheduling problem that detects of dysmorphism curved surface.
Description
Technical Field
The utility model relates to a rail vehicle makes technical field to more specifically, relate to a cab welding testing platform.
Background
Due to the fact that the requirement for light weight of railway equipment is improved, the requirement for a streamline structure of a locomotive cab is higher and higher. The streamline cab steel structure is used as a locomotive component, and the manufacturing precision requirement is higher and higher.
As shown in fig. 1, a streamlined cab steel structure generally comprises a cab side wall 101, a cab front closure plate 102, a cab roof camber 103, a cab rear end wall 104 and a cab roof girth 105, the cab side wall 101, the cab roof camber 103 and the cab roof girth 105 are of special-shaped structures, and the curved surface position of the existing device is difficult to detect. Aiming at the structure, at present, manual scribing or simple positioning tools are generally adopted for assembly welding, so that high-standard, high-quality and large-batch cab steel structures are difficult to manufacture.
The existing cab steel structure assembly welding method is that after the cab side wall 101 and the cab front closing plate 102 are positioned by adopting a simple support and a platform, welding seams are welded, and then the cab roof camber beam 103 is positioned for welding seams. Therefore, the distance between the walls needs to be continuously adjusted to complete the whole cab steel structure. The quality of the product is difficult to ensure because the steel structure of the streamline cab after assembly is difficult to detect.
The existing welding platform only adopts a simple positioning assembly welding platform and a support, and serves as assembly welding tooling equipment of a cab, the platform does not have detectability for pairing of special-shaped curved surfaces, pairing efficiency is low when the platform is used, batch production cannot be guaranteed, and meanwhile, the assembly precision requirement of the cab is strict, and the assembly skill requirement of an operator is high.
Based on the problems, the cab steel structure is necessarily manufactured by adopting an advanced assembly and detection tool. Therefore, a cab welding detection platform capable of performing welding and positioning detection needs to be established.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a cab welding detection platform. The platform is simple to operate in the using process, the movable structure is beneficial to assembly of the cab steel structure, the requirement of batch production of the locomotive cab steel structure is met, and assembly efficiency and quality are improved.
Based on the purpose, the following technical scheme is adopted:
according to the utility model discloses, a cab welding testing platform is provided, include:
a base;
the side wall positioning devices are detachably arranged on the base; the two side wall positioning devices are arranged at intervals along the transverse direction of the base, and the whole side wall positioning device extends along the longitudinal direction of the base; the distance between the two side wall positioning devices is greater than or equal to the distance between the two cab side walls along the transverse direction;
the cab rear end wall positioning device comprises a plurality of top fastening pieces arranged along the transverse direction of the base so as to tightly press and fix the cab rear end wall to one end of each of the two side wall positioning devices;
the cab front end positioning device and the cab rear end wall positioning device are arranged in a front-rear corresponding mode in the longitudinal direction so as to fix the cab front closing plate;
the detection positioning device comprises a top frame, two side positioning rods, a rear end positioning rod, a front end positioning rod and four supporting columns; the four support columns are arranged at four corners of the detection positioning device so as to support the detection positioning device on the base;
the two side positioning rods are arranged at intervals along the transverse direction of the base, and the distance between the two side positioning rods is equal to the distance between the two cab side walls along the transverse direction; the side positioning rod integrally extends along the longitudinal direction of the base, one end face of the side positioning rod, which is in contact with the top of the cab side wall, is a curved surface, and the curvature of the curved surface is equal to that of the top of the cab side wall at the corresponding position;
the rear end positioning rod integrally extends along the transverse direction of the base, a rear end positioning plate is arranged outside the rear end positioning rod, one end face, in contact with the top of the rear end wall of the cab, of the rear end positioning plate is a curved surface, and the curvature of the curved surface is equal to that of the top of the rear end wall of the cab at the corresponding position;
the whole front end positioning rod extends along the transverse direction of the base, a front end positioning plate is arranged outside the front end positioning rod, one end face, in contact with the top of the cab front closing plate, of the front end positioning plate is a curved surface, and the curvature of the curved surface is equal to that of the top of the cab front closing plate at the corresponding position;
the front end positioning plate and the rear end positioning plate are arranged at intervals along the longitudinal direction of the base, and the distance between the front end positioning plate and the rear end positioning plate is equal to the distance between the rear end wall of the cab and the front closing plate of the cab along the longitudinal direction;
two side surfaces of the top frame are connected with two side surface positioning rods through supporting rods, the rear end surface of the top frame is connected with a rear end positioning rod through a supporting rod, and the front end surface of the top frame is connected with a front end positioning rod through a supporting rod;
the detection positioning device is provided with a plurality of positioning blocks at corresponding positions of the cab roof camber beam so as to position the cab roof camber beam.
According to the utility model discloses an embodiment, side wall positioner includes along a plurality of tops piece and the side wall locating part that longitudinal direction set up, and the side wall locating part is followed with a plurality of tops piece the transverse direction interval of base sets up to prevent putting the driver's cabin side wall in the gap between side wall locating part and the top piece, the side wall locating part is whole to be followed the longitudinal direction of base extends.
According to the utility model discloses an embodiment, cab front end positioner includes the base, be equipped with first support on the base, first support orientation cab rear end wall positioner's one side is the inclined plane, be equipped with the preceding locating surface that is used for fixing a position cab front closure plate on the inclined plane.
According to the utility model discloses an embodiment, first support column and the second support column setting in the support column are in detection positioner's front end and height equal, third support column and fourth support column setting in the support column are in detection positioner's rear end and height equal, and the height of third support column and fourth support column is greater than first support column and second support column.
According to the utility model discloses an embodiment, the top frame is for being isosceles trapezoid shape, set up a plurality of intercrossing's strengthening rib in the top frame.
According to an embodiment of the present invention, a connecting frame is fixedly connected to the bottom surface of the top frame, a plurality of obliquely arranged connecting diagonal rods are fixedly connected to the connecting frame, one end of each connecting diagonal rod is fixedly arranged on the connecting frame, and the other end of each connecting diagonal rod is fixedly arranged on each of the two side positioning rods, the rear end positioning rod and the front end positioning rod; the connecting frame and the connecting inclined rod are located between a plane defined by the two side positioning rods, the rear end positioning rod and the front end positioning rod and the top frame.
According to an embodiment of the present invention, the connecting frame is in an isosceles trapezoid shape, and a plurality of mutually crossed reinforcing ribs are disposed in the connecting frame;
according to an embodiment of the present invention, the connecting frame is provided with a first positioning block at a position corresponding to the cab roof camber beam, so as to position the cab roof camber beam;
and a second positioning block is arranged at the position, corresponding to the cab roof camber beam, of the rear end positioning rod of the detection positioning device, so as to position the cab roof camber beam.
According to the utility model discloses an embodiment, the link is close to the end lever of front end locating lever and with two connection down tube that the end lever is connected to two side locating levers with cab waist rail contact to fix a position cab roof waist rail's position.
According to the utility model discloses an embodiment, the top piece includes the second support and sets up telescopic sleeve on the second support, the sleeve can stretch out and draw back along horizontal or longitudinal direction for the side wall locating part in order to compress tightly fixedly with cab rear end wall, cab side wall.
The utility model has the advantages that:
the utility model discloses a cab welding test platform provides one kind and can carry out the group simultaneously to reaching the assembly welding device of the streamlined cab steel construction that detects, has solved current assembly welding inefficiency, and the precision is poor, and the unable scheduling problem that detects of dysmorphism curved surface.
The utility model discloses a cab welding test platform is suitable for the assembly welding detection of the streamlined cab steel construction of locomotive, and similar parts can adopt the same process scheme to design.
The utility model discloses a cab welding test platform easy operation, convenient, swift adapts to batch production.
The utility model discloses a cab welding test platform can effectively improve product quality, has improved working condition, has practiced thrift manpower, man-hour, and production efficiency improves 30%.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some implementation cases of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a streamline cab steel structure;
fig. 2 is a schematic structural diagram of the cab welding detection platform and the cab according to the embodiment of the present invention;
fig. 3 is a schematic structural view of a cab welding detection platform according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the cab welding detection platform according to the embodiment of the present invention, which is matched with the cab;
fig. 5 is a schematic structural view of a detection positioning device of the cab welding detection platform according to the embodiment of the present invention;
FIG. 6 is a schematic view of a back side structure of the detecting and positioning device of the cab welding detection platform shown in FIG. 5;
fig. 7 is an enlarged schematic view of the detection positioning device and the cab roof camber beam of the cab welding detection platform according to the embodiment of the present invention.
List of reference numerals
101-cab side wall; 102-cab front closure panel; 103-cab roof camber beam; 104-cab rear end wall; 105-cab roof girth; 1031-cab roof camber beam I; 1034-a second cab roof camber beam;
2-base
3-side wall positioning device; 301-a top retaining member; 302-side wall limit piece;
4-cab rear end wall positioning device; 401-a second scaffold; 402-a retractable sleeve;
5-a cab front end positioning device; 501-a base; 502-a first bracket;
6-detecting a positioning device; 601-top frame; 602-side positioning rod; 603-rear end positioning rod; 604-front end positioning rod; 605-a rear end positioning plate; 606-a front positioning plate; 607-support bar; 608-a first location block; 609-a second locating block; 610-a third positioning block; 611, reinforcing ribs; 612-a connecting frame; 613-connecting inclined rod; 6121-end bar;
71-a first support column; 72-a second support column; 73-a third support column; 74-fourth support column;
r-longitudinal direction; h-the transverse direction;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings.
Principle of platform design:
as shown in fig. 1, the streamlined cab steel structure generally comprises cab side walls 101, a cab front closure plate 102, cab roof camber beams 103, cab rear end walls 104, and cab roof girts 105. The cab welding detection platform of this embodiment adopts frock base 2 and detection positioner 6 structure of uniting two into one. The detection device adopts an integral five-axis linkage to process the special-shaped curved surface and is connected with the tool base 2 through bolts, so that the purpose of detecting the integral heterogeneous structure is achieved. When carrying out cab steel structure group to time, can fix a position each part through each positioner to and group to the in-process through connecting detection device, reach quick accurate group to the operation, improve the group to efficiency.
The cab welding detection platform of the embodiment shown in fig. 2 includes a base 2, two detachable side wall positioning devices 3 arranged on the base 2, a cab rear end wall positioning device 4, a cab front end positioning device 5, and a detection positioning device 6. The detection positioning device 6 comprises a first supporting column 71, a second supporting column 72, a third supporting column 73 and a fourth supporting column 74, wherein the four supporting columns are arranged at four corners of the detection positioning device 6 so as to support the detection positioning device 6 on the base 2; specifically, four support columns may be fixed to the base 2 by means of bolts and nuts. Because the detection positioning device 6 is used for detecting and positioning the contour of the cab, the curved beam of the cab roof and the waist beam of the cab roof from the top of the cab, the detection positioning device 6 needs to be erected on the top ends of the initially welded cab side wall, the cab front closing plate and the cab rear end wall, and is supported on the base 2 by four support columns. Therefore, the first support column 71 and the second support column 72 are disposed at the front end of the detection positioning device 6 and have the same height, the third support column 73 and the fourth support column 74 are disposed at the rear end of the detection positioning device 6 and have the same height, and the third support column 73 and the fourth support column 74 have the height larger than the first support column 71 and the second support column 72.
The tool base 2 is a rigid platform formed by assembling and welding sectional materials, and the surface of the platform is machined to ensure the flatness.
The side wall positioning device 3 is mainly used for positioning and fixing the side wall and is connected with the tool base 2 through bolts. The cab front end positioning device 5 is used for positioning, assembling and welding the cab front closing plate 102, and the detection positioning device 6 is mainly used for positioning and detecting a rear wall, a side wall anisotropic curved surface, a cab roof camber beam and a cab roof waist beam, as shown in fig. 3. After the assembly of the components is completed, the size of the special-shaped structure is detected by adopting a detection positioning device 66.
The two side wall positioning devices 3 are detachably arranged on the base 2; the two side wall positioning devices 3 are arranged at intervals along the transverse direction H of the base 2, and the whole side wall positioning device 3 extends along the longitudinal direction R of the base 2; the distance between the two side wall positioning devices 3 is greater than or equal to the distance between the two cab side walls along the transverse direction H; the side wall positioning device 3 includes a plurality of top fastening pieces 301 and a side wall limiting piece 302 arranged along the longitudinal direction R, the side wall limiting piece 302 and the plurality of top fastening pieces 301 are arranged at an interval along the transverse direction H of the base 2, so as to prevent the cab side wall from being placed in a gap between the side wall limiting piece 302 and the top fastening piece 301, and the side wall limiting piece 302 extends along the longitudinal direction R of the base 2 as a whole. After the side wall of the cab is prevented from being arranged in a gap between the side wall limiting part 302 and the jacking part 301, the jacking part 301 is opened, and after the side wall of the cab is adjusted to a corresponding position, spot welding is carried out for fixing.
Cab back end wall positioner 4, cab back end wall positioner 4 include along a plurality of tops piece that the transverse direction H of base 2 set up to compress tightly fixed to the one end of two side wall positioner 3 with cab back end wall.
The cab front end positioning device 5 and the cab rear end wall positioning device 4 are arranged in a front-back corresponding mode in the longitudinal direction R so as to fix the cab front closing plate; cab front end positioner 5 includes base 501, is equipped with first support 502 on the base 501, and the one side that first support 502 faces cab rear end wall positioner 4 is the inclined plane, is equipped with the preceding locating surface that is used for fixing a position cab front closure plate on the inclined plane.
The top member of the cab rear end wall positioning device 4 has the same structure as the top member 301 of the side wall positioning device 3, and the structure will be described by taking the top member of the cab rear end wall positioning device 4 as an example. In the cab rear end wall positioning device 4, the tightening member includes a bracket and a retractable sleeve 402 disposed on the second bracket 401, and the sleeve is retractable along the longitudinal direction R with respect to the side wall limiting member 302 to adjust, compress and fix the position of the cab rear end wall. Similarly, in the side wall positioning device 3, the sleeve of the top member can extend and retract in the transverse direction H relative to the side wall limiting member 302 to adjust, compress, and fix the position of the side wall of the cab.
The correct positions of the cab side wall 101, the cab rear end wall 104, the cab front closing plate 102, the cab roof camber beam 103 and the cab roof girth beam 105 are ensured by the two detachable side wall positioning devices 3, the cab rear end wall positioning device 4, the cab front end positioning device 5 and the detection positioning device 6 which are arranged on the base 2.
Specifically, as shown in fig. 4, the positions of two cab side walls 101 are ensured by two side wall positioning devices 3, the position of a cab front closure plate 102 is ensured by a cab front end positioning device 5, and the position of a cab rear end wall 104 is ensured by a cab rear end wall positioning device 4; it is fixed to detect positioner 6 and place frock base 2 to the relevant position, detect the reference surface of two cab side walls 101, cab front closure plate 102 and cab rear end wall 104 through detecting positioner 6 to judge whether the preliminary weld position of two cab side walls 101, cab front closure plate 102 and cab rear end wall 104 is accurate, if inaccurate, can adjust (wherein, the mode of spot welding can be taken in preliminary weld, thereby can revise the position when guaranteeing the later stage and examining). And if the preliminary welding position meets the drawing size, welding the welding seam.
After the positions of the two cab side walls 101, the cab front closing plate 102 and the cab rear end wall 104 are accurate, the positions to be welded of the cab roof camber beam 103 and the cab roof girth beam 105 are accurately positioned by using the positioning blocks on the detection positioning device 6, so that personnel can perform welding from the inside.
The detection positioning device 6 is described below:
as shown in fig. 5 and 6, the detection positioning device 6 specifically includes a top frame 601, two side positioning rods 602, a rear end positioning rod 603, and a front end positioning rod 604.
The two side positioning rods 602 are arranged at intervals along the transverse direction H of the base 2, and the distance between the two side positioning rods 602 is equal to the distance between the two cab side walls along the transverse direction H (the drawing size of the cab side walls); the side positioning rod 602 integrally extends along the longitudinal direction R of the base 2, one end surface of the side positioning rod 602, which is in contact with the top of the cab side wall, is a curved surface, and the curvature of the curved surface is equal to the curvature of the top of the cab side wall at the corresponding position;
the rear end positioning rod 603 integrally extends along the transverse direction H of the base 2, a rear end positioning plate 605 is arranged outside the rear end positioning rod 603, one end face of the rear end positioning plate 605, which is in contact with the top of the rear end wall of the cab, is a curved surface, and the curvature of the curved surface is equal to that of the top of the rear end wall of the cab at the corresponding position;
the whole front end positioning rod 604 extends along the transverse direction H of the base 2, a front end positioning plate 606 is arranged outside the front end positioning rod 604, one end face, in contact with the top of the cab front closing plate, of the front end positioning plate 606 is a curved surface, and the curvature of the curved surface is equal to that of the top of the cab front closing plate at the corresponding position;
the front end positioning plate 606 and the rear end positioning plate 605 are arranged at intervals along the longitudinal direction R of the base 2, and the distance between the front end positioning plate 606 and the rear end positioning plate 605 is equal to the distance between the rear end wall of the cab and the front enclosure plate of the cab along the longitudinal direction R;
two side surfaces of the top frame 601 are connected with two side positioning rods 602 through supporting rods 607, the rear end surface of the top frame 601 is connected with a rear end positioning rod 603 through the supporting rods 607, and the front end surface of the top frame 601 is connected with a front end positioning rod 604 through the supporting rods 607;
the detection positioning device 6 is provided with a plurality of positioning blocks at corresponding positions of the cab roof camber beam so as to position the cab roof camber beam.
The top frame 601 is in an isosceles trapezoid shape, and a plurality of mutually intersecting reinforcing ribs 611, in this embodiment, substantially perpendicular reinforcing ribs 611, are disposed in the top frame 601.
A connecting frame 612 is fixedly connected to the bottom surface of the top frame 601, a plurality of obliquely arranged connecting inclined rods 613 are fixedly connected to the connecting frame 612, one end of each connecting inclined rod 613 is fixedly arranged on the connecting frame 612, and the other end of each connecting inclined rod 613 is fixedly arranged on the two side positioning rods 602, the rear end positioning rod 603 and the front end positioning rod 604 respectively; the connecting bracket 612 and the connecting diagonal rod 613 are both located between a plane defined by the two side positioning rods 602, the rear end positioning rod 603, and the front end positioning rod 604 and the top frame 601.
The connecting frame 612 is in an isosceles trapezoid shape, and a plurality of mutually crossed reinforcing ribs 611 are arranged in the connecting frame 612;
a first positioning block 608 and a second positioning block 609 are arranged at the positions of the connecting frame 612 corresponding to the first cab roof camber beam to position the first cab roof camber beam; the first positioning block 608 and the second positioning block 609 are in the same straight line position in the transverse direction H. Specifically, at the welding position of the standard drawing corresponding to the first cab roof camber beam, the first positioning block 608 and the second positioning block 609 are arranged at the position, corresponding to the cab roof camber beam, of the connecting frame 612, so that the first cab roof camber beam to be welded can abut against the first positioning block 608 and the second positioning block 609 for welding, and the welding position of the first cab roof camber beam to be welded is accurate.
Since the cab roof bow is an upwardly curved beam, in order to match the curvature thereof, the rib (here shown at 614) of the link frame 612 at a position corresponding to the cab roof bow is engaged with the rib (here shown at 615) of the top frame 601, so that the overall contour of the link frame 612 is curved toward the top frame 601, as shown in fig. 6.
As shown in fig. 7, a third positioning block 610 is provided at a position corresponding to the rear end positioning rod 603 of the detection positioning device 6 and the cab roof camber beam ii to position the cab roof camber beam ii. Specifically, at the welding position of the standard drawing corresponding to the second cab roof camber beam, the rear end positioning rod 603 of the detection positioning device 6 extends the third positioning block 610, so that the second cab roof camber beam to be welded can be welded against the third positioning block 610, and the welding position of the second cab roof camber beam to be welded is accurate.
The position of the link frame 612 near the end bar 6121 of the front end positioning bar 604 and the two connecting diagonals (here shown at 616) connecting the end bar 6121 to the two side positioning bars 602 are in accordance with the exact position of the cab waist rail, and the position of the cab roof waist rail is positioned by the positions of the end bar 6121 and the connecting diagonals 616.
Because the position of each detection surface (for example, the end surface of the front end positioning plate 606 contacting with the top of the cab front closing plate) of the detection positioning device 6 is the position of the drawing size of each side surface of the cab, whether the preliminarily welded cab skeleton steel structure is accurate can be detected through the matching degree of each side surface (two sides, front and back) of the preliminarily welded cab and each detection surface of the detection positioning device 6.
The framework is subjected to positioning welding through the positioning function of the detection positioning device 6, the second cab roof camber beam is close to the third positioning block 610, and the first cab roof camber beam is close to the first positioning block 608 and the second positioning block 609, and the two frames are fixed in a spot welding mode. And welding seams of all welding seams are welded, after the welding seams are welded and all sizes are detected, the tool is started, and the detection positioning device 6 is lifted out of the cab.
The curvature of each detection surface of the detection positioning device 6 and the position of the positioning block correspond to the corresponding position of the drawing size of the cab steel structure. The locating block can be a rectangular block.
The main body of the detection positioning device 6 is of a steel structure, and each detection surface and each positioning block which are in contact with the steel structure of the cab of the detection positioning device 6 can be made of wood materials, so that the steel structure of the cab is prevented from being damaged.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the disclosure as defined by the appended claims. Furthermore, although elements disclosed in the embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The serial numbers of the embodiments disclosed in the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to suggest that the scope of the disclosure of embodiments of the present invention (including the claims) is limited to these examples; within the idea of embodiments of the invention, also combinations between technical features in the above embodiments or in different embodiments are possible, and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.
Claims (10)
1. The utility model provides a cab welding testing platform which characterized in that includes:
a base;
the side wall positioning devices are detachably arranged on the base; the two side wall positioning devices are arranged at intervals along the transverse direction of the base, and the whole side wall positioning device extends along the longitudinal direction of the base; the distance between the two side wall positioning devices is greater than or equal to the distance between the two cab side walls along the transverse direction;
the cab rear end wall positioning device comprises a plurality of top fastening pieces arranged along the transverse direction of the base so as to tightly press and fix the cab rear end wall to one end of each of the two side wall positioning devices;
the cab front end positioning device and the cab rear end wall positioning device are arranged in a front-rear corresponding mode in the longitudinal direction so as to fix the cab front closing plate;
the detection positioning device comprises a top frame, two side positioning rods, a rear end positioning rod, a front end positioning rod and four supporting columns; the four support columns are arranged at four corners of the detection positioning device so as to support the detection positioning device on the base;
the two side positioning rods are arranged at intervals along the transverse direction of the base, and the distance between the two side positioning rods is equal to the distance between the two cab side walls along the transverse direction; the side positioning rod integrally extends along the longitudinal direction of the base, one end face of the side positioning rod, which is in contact with the top of the cab side wall, is a curved surface, and the curvature of the curved surface is equal to that of the top of the cab side wall at the corresponding position;
the rear end positioning rod integrally extends along the transverse direction of the base, a rear end positioning plate is arranged outside the rear end positioning rod, one end face, in contact with the top of the rear end wall of the cab, of the rear end positioning plate is a curved surface, and the curvature of the curved surface is equal to that of the top of the rear end wall of the cab at the corresponding position;
the whole front end positioning rod extends along the transverse direction of the base, a front end positioning plate is arranged outside the front end positioning rod, one end face, in contact with the top of the cab front closing plate, of the front end positioning plate is a curved surface, and the curvature of the curved surface is equal to that of the top of the cab front closing plate at the corresponding position;
the front end positioning plate and the rear end positioning plate are arranged at intervals along the longitudinal direction of the base, and the distance between the front end positioning plate and the rear end positioning plate is equal to the distance between the rear end wall of the cab and the front closing plate of the cab along the longitudinal direction;
two side surfaces of the top frame are connected with two side surface positioning rods through supporting rods, the rear end surface of the top frame is connected with a rear end positioning rod through a supporting rod, and the front end surface of the top frame is connected with a front end positioning rod through a supporting rod;
the detection positioning device is provided with a plurality of positioning blocks at corresponding positions of the cab roof camber beam so as to position the cab roof camber beam.
2. The cab welding detection platform of claim 1, wherein the side wall positioning device comprises a plurality of top members and side wall limiting members arranged in the longitudinal direction, the side wall limiting members and the top members are arranged at intervals in the transverse direction of the base so as to prevent the side wall of the cab from being arranged in a gap between the side wall limiting members and the top members, and the side wall limiting members extend along the longitudinal direction of the base as a whole.
3. The cab welding detection platform of claim 1, wherein the cab front end positioning device comprises a base, a first support is arranged on the base, one surface of the first support, which faces the cab rear end wall positioning device, is an inclined surface, and a front positioning surface for positioning a cab front closing plate is arranged on the inclined surface.
4. The cab welding detection platform according to claim 1, wherein a first support column and a second support column of the support columns are disposed at a front end of the detection positioning device and have the same height, a third support column and a fourth support column of the support columns are disposed at a rear end of the detection positioning device and have the same height, and the heights of the third support column and the fourth support column are greater than the heights of the first support column and the second support column.
5. The cab welding detection platform of claim 1, wherein the top frame is in an isosceles trapezoid shape, and a plurality of mutually intersecting reinforcing ribs are arranged in the top frame.
6. The cab welding detection platform according to claim 1, wherein a connecting frame is fixedly connected to the bottom surface of the top frame, a plurality of obliquely arranged connecting inclined rods are fixedly connected to the connecting frame, one end of each connecting inclined rod is fixedly arranged on the connecting frame, and the other end of each connecting inclined rod is fixedly arranged on each of the two side positioning rods, the rear positioning rod and the front positioning rod; the connecting frame and the connecting inclined rod are located between a plane defined by the two side positioning rods, the rear end positioning rod and the front end positioning rod and the top frame.
7. The cab welding detection platform of claim 6, wherein the connection frame is in the shape of an isosceles trapezoid, and a plurality of mutually-crossed reinforcing ribs are arranged in the connection frame.
8. The cab welding detection platform according to claim 6, wherein a first positioning block is arranged at a position of the connecting frame corresponding to the cab roof camber beam to position the cab roof camber beam;
and a second positioning block is arranged at the position, corresponding to the cab roof camber beam, of the rear end positioning rod of the detection positioning device, so as to position the cab roof camber beam.
9. The cab weld detection platform of claim 6, wherein the link bracket is in contact with the cab girt proximate to the end bar of the front end positioning bar and two connecting struts connecting the end bar to the two side positioning bars to locate the position of the cab roof girt.
10. The cab welding detection platform according to claim 1 or 2, wherein the top member comprises a second support and a telescopic sleeve arranged on the second support, and the sleeve can be telescopic relative to the side wall limiting member along a transverse direction or a longitudinal direction so as to press and fix the cab rear end wall and the cab side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022941265.5U CN213998310U (en) | 2020-12-09 | 2020-12-09 | Cab welding detection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022941265.5U CN213998310U (en) | 2020-12-09 | 2020-12-09 | Cab welding detection platform |
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