CN214215796U

CN214215796U - Crossbeam installation device

Info

Publication number: CN214215796U
Application number: CN202120002783.2U
Authority: CN
Inventors: 夏正志; 盖金广; 杜云龙; 郝伟江; 江民华; 徐祗尚; 刘光洋
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-09-17
Anticipated expiration: 2031-01-04

Abstract

The utility model relates to a crossbeam installation device, including the travelling car install elevating system on the travelling car, the rotatable installation supporting platform of slewing mechanism is passed through at elevating system's top the last crossbeam that installs of supporting platform supports clamping device, and the crossbeam is placed during the equipment crossbeam supports clamping device and goes up and press from both sides tightly, crossbeam supports clamping device can remove on X direction and Y direction for supporting platform through X to adjustment mechanism and Y to adjustment mechanism supporting platform's both ends are provided with the crossbeam backstop that is used for restricting the crossbeam removal. The utility model discloses can promote the installation effectiveness by a wide margin, ensure installation quality, reduce constructor intensity of labour, improve assembly operation reliability and security.

Description

Crossbeam installation device

Technical Field

The utility model belongs to the technical field of rail vehicle makes, in particular to a crossbeam installation device for assembling rail vehicle chassis crossbeam.

Background

The vehicle body underframe is one of important parts of a vehicle body structure of a railway vehicle, bears the weight of a vehicle body and needs to transfer traction force from a bogie to the vehicle body, so that the vehicle body underframe is required to have certain strength and rigidity and needs better force transfer performance.

The current car body chassis mainly adopts the structural design of full carbon steel construction or full aluminium alloy section bar. The chassis of the all-carbon steel vehicle body has good strength and rigidity, but has overlarge weight; the aluminum alloy section car body underframe has light weight but low rigidity. The chassis large cross beam on the vehicle chassis is one of core components of the vehicle chassis, and has the characteristics of large mass and large quantity. Therefore, in the production process of rail vehicles such as motor train units and the like, the installation of the large cross beam of the underframe is a very important process, and the installation precision and the installation quality of the cross beam directly influence the reliability of the overall structure of the train body.

Through investigating factors such as personnel, cost, period, quality, when discovering the big crossbeam installation operation of chassis, if assemble with the mode of traditional artifical lift, because under the car construction space is limited, the assembling process not only wastes time and energy, constructor intensity of labour is high, and the cost is higher, and the construction cycle is long moreover, and the installation effectiveness is low, also can't strictly guarantee the assembly quality of crossbeam when artifical lift big crossbeam is installed, artifical lift big crossbeam also has very big potential safety hazard simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides one kind and can promote the installation effectiveness by a wide margin, ensures installation quality, reduces constructor intensity of labour, improves the crossbeam installation device of assembly operation reliability and security.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the utility model provides a crossbeam installation device, includes the travelling car install elevating system on the travelling car, the rotatable installation supporting platform of slewing mechanism is passed through at elevating system's top the last crossbeam that installs of supporting platform supports clamping device, and the crossbeam is placed during the equipment crossbeam supports clamping device and presss from both sides tightly, crossbeam supports clamping device can move in X direction and Y direction for supporting platform through X to adjustment mechanism and Y to adjustment mechanism the both ends of supporting platform are provided with the crossbeam backstop that is used for restricting the crossbeam removal.

Furthermore, the lifting mechanism consists of a scissor group and a lifting oil cylinder, and the top and the bottom of the scissor group are respectively connected with the trolley underframe and the upper table top of the movable trolley.

Further, the lifting range of the lifting mechanism is between 900 and 1700 mm.

Furthermore, the supporting platform is a frame structure which is integrally in a long strip shape and is formed by splicing and welding two long aluminum alloy tubes extending in the Y direction and a plurality of short aluminum alloy tubes extending in the X direction.

Further, slewing mechanism includes central pivot, actuating mechanism and supplementary rotary device the central pivot is installed between supporting platform and travelling car, supplementary rotary device is including installing two sets of swiveling wheels between supporting platform and travelling car, and two sets of swiveling wheels set up in the both sides of central pivot respectively, and the swiveling wheel is installed in supporting platform's bottom, corresponds on the travelling car and installs the backup pad, and the backup pad has certain width, and when supporting platform was finely tuned rotatoryly around central pivot, two sets of swiveling wheels moved in two backup pads respectively.

Furthermore, the beam supporting and clamping device comprises two clamping blocks, a clamping cylinder and a base, wherein the clamping cylinder is installed on the base and fixedly connected with one of the clamping blocks, the other clamping block is installed on the base, and the clamping cylinder pushes the clamping blocks to move so as to clamp the middle beam.

Furthermore, a plurality of rollers are arranged on the base, and the cross beam is supported on the plurality of rollers after being arranged.

Further, X is to adjustment mechanism including X to guide rail and X to actuating mechanism, is provided with the spout on the base, and the spout removes on X is to the guide rail, and X is to actuating mechanism's the end portion that stretches out and base fixed connection, and X drives crossbeam support clamping device along X to the guide rail removal.

Further, Y is to adjustment mechanism including two sets of supports that push up, and two sets of supports that push up are last to install crossbeam support clamping device respectively, and two sets of supports that push up are connected through drive mechanism between, and two sets of supports that push up are installed on supporting platform and movable for supporting platform, and drive mechanism drives two sets of supports that push up and move in opposite directions or back-to-back motion along Y direction in step.

Further, the beam stop is rotatably arranged on the end part of the outer end of the pushing support frame.

To sum up, compared with the prior art, the cross beam mounting device of the present invention has the following advantages:

(1) the device can firmly fix the cross beam on a supporting platform of the device through the cross beam supporting and clamping device and the cross beam stop, can ensure the stability of the cross beam in the process of conveying and lifting, avoids dangers such as falling of the cross beam and the like, and has good reliability.

(2) The device can realize the lifting of the beam and the movement of the beam in two directions, the lifting range of the movable trolley is between 900 and 1700mm, the X-direction pushing stroke of the beam is between 0 and 150mm, after the movable trolley enters the space under the vehicle, the adjustment of the mounting position of the beam can be realized by adjusting the height and the transverse position of the tool, the manual lifting is not needed, the working efficiency is greatly improved, the mounting quality can be ensured, the labor intensity of constructors is reduced, the personnel and the cost are saved, the construction period is shortened, and the reliability and the safety of the assembly operation are improved.

(3) The device can adjust the lifting height of crossbeam wantonly through elevating system, and frock itself is small moreover, can easily get into the operation under the car of various models EMUs, can all be general to multiple motorcycle type.

(4) Two sets of crossbeam support clamping device can move in the Y direction for supporting platform among the device, and then can adjust two sets of crossbeam support clamping device's support position according to the length size of crossbeam, makes the device can be applicable to the crossbeam assembly operation of various length, has further improved the device's commonality, also makes the crossbeam fixed more reliable and more stable simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a structural view of a cross beam mounting apparatus of the present invention;

FIG. 2 is a side elevational view of FIG. 1;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a structural diagram of the movable trolley of the utility model;

fig. 5 is a structural view of the cross beam fixing platform of the present invention.

As shown in fig. 1 to 5, the mobile cart 1, the cart base frame 11, the upper table 12, the orientation wheels 13, the universal wheels 14, the upper guide rails 15, and the lower guide rails 16;

the lifting mechanism 2, the scissor group 21 and the oil cylinder 22;

the supporting platform 3, the aluminum alloy pipe 31 and the aluminum alloy pipe 32;

the beam supporting and clamping device 4, the clamping block 41, the clamping cylinder 42, the base 43, the roller 44 and the guide rail seat 45;

a beam stop 5, a beam 6;

a rotating mechanism 7, a central rotating shaft 71, a chain wheel transmission mechanism 72, a driving cylinder 721, a chain 722, a chain wheel set 723, a rotating wheel 73 and a supporting plate 74;

an X-direction adjusting mechanism 8, an X-direction guide rail 81, and a driving mechanism 82;

the device comprises a Y-direction adjusting mechanism 9, a pushing support frame 91, a frame 911, a connecting frame 912, a transmission mechanism 92, a driving motor 921, a first gear 922, a first rack 923, a first transmission gear 924, a first transmission shaft 925, a second transmission gear 926, a second gear 927, a second rack 928 and a second transmission shaft 929;

it should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

As shown in fig. 1 to 3, the present embodiment provides a beam mounting device, which includes a moving trolley 1, a lifting mechanism 2 is mounted on the moving trolley 1, a supporting platform 3 is mounted on the top of the lifting mechanism 2, a beam supporting and clamping device 4 is mounted on the supporting platform 3, a beam 6 is placed on the beam supporting and clamping device 4 and clamped during assembly, and the beam 6 is longer, and the beam supporting and clamping devices 4 are provided in two sets to support the beam 6 together. Beam stoppers 5 are provided at both ends of the support platform 3, and the beam stoppers 5 restrict the movement of the beam 6 in the longitudinal direction of the beam 6.

In this embodiment, in order to accurately adjust the installation accuracy of the beam 6, the supporting platform 3 is rotatably installed at the top of the lifting mechanism 2 through the rotating mechanism 7, so that the beam supporting platform 3 can rotate in the horizontal plane, and the installation angle of the beam 6 can be adjusted within a certain range. Meanwhile, the beam support clamping device 4 can move in the X direction (the direction perpendicular to the length direction of the beam 6) relative to the support platform 3 through the X-direction adjusting mechanism 8, so that the beam 6 can adjust the installation position in the X direction, and the installation precision and the installation quality of the beam 6 are ensured.

As shown in fig. 1 to 4, the mobile cart 1 includes a cart chassis 11 and an upper table 12, a directional wheel 13 and a universal wheel 14 are installed below the cart chassis 11, a lifting mechanism 2 is installed on the cart chassis 11, the upper table 12 is installed on the top of the lifting mechanism 2, and the lifting mechanism 2 drives the upper table 12 to lift. The lifting mechanism 2 preferably adopts a scissor lifting assembly, a scissor group 21 is driven by a lifting oil cylinder 22 to lift, and the top of the scissor group 21 is connected with the upper table top 12. An upper guide rail 15 and a lower guide rail 16 are arranged at one end of the upper table top 12 and one end of the trolley chassis 11 corresponding to the scissor group 21, and scissor arms in the scissor group 21 slide in the corresponding upper guide rail 15 and lower guide rail 16. In this embodiment, the lifting range of the lifting mechanism 2 is between 900 and 1700mm, and after entering the vehicle, the adjustment of the installation position of the cross beam 6 can be realized through the height of the adjusting device, so that manual lifting is not needed, and the working efficiency is greatly improved.

As shown in fig. 1, 2 and 5, the supporting platform 3 is an overall long-strip-shaped frame structure, and the frame structure is preferably formed by splicing and welding two long aluminum alloy tubes 31 extending in the Y direction and a plurality of short aluminum alloy tubes 32 extending in the X direction, so that the overall bearing strength is ensured, and the weight of the frame is also reduced. In this embodiment, the number of the aluminum alloy pipes 32 is four, and the aluminum alloy pipes are welded to two ends of the aluminum alloy pipe 31 in two pairs and are welded to the lower surface of the aluminum alloy pipe 31.

The rotating mechanism 7 comprises a central rotating shaft 71, a driving mechanism and an auxiliary rotating device, mounting plates (not marked in the figure) are respectively mounted in the middle of the frame-type supporting platform 3 and on the upper table-board 12 of the movable trolley 1, and the central rotating shaft 71 is mounted between the upper mounting plate and the lower mounting plate. In order to ensure that the supporting platform 3 with a long length can stably rotate, an auxiliary rotating device is further installed between the supporting platform 3 and the upper table-board 12 of the movable trolley 1, the auxiliary rotating device preferably adopts two sets of rotating wheels 73, the two sets of rotating wheels 73 are respectively arranged on two sides of the central rotating shaft 71, the rotating wheels 73 are installed on the lower surface of the aluminum alloy pipe 31 of the supporting platform 3, a supporting plate 74 is correspondingly installed on the upper table-board 12, the supporting plate 74 has a certain width, when the supporting platform 3 rotates around the central rotating shaft 71 in a fine adjustment mode, the two sets of rotating wheels 73 respectively move on the two supporting plates 74, and the effects of stable supporting and rotating are achieved.

As shown in fig. 2 and 3, the driving mechanism is a sprocket transmission mechanism 72, two sets of sprocket transmission mechanisms 72 are arranged on two sides of the mobile cart 1, and the two sets of sprocket transmission mechanisms 72 synchronously drive the central rotating shaft 71 to rotate. The sprocket transmission mechanism 72 is composed of a driving cylinder 721, a chain 722, a sprocket set 723, a linkage shaft and a bevel gear set (not shown in the figure), the driving cylinder 721 drives the linkage shaft to rotate through the chain 722 and the sprocket set 723, the linkage shaft and the central rotating shaft 71 are correspondingly provided with the bevel gear set which is meshed with each other, and the linkage shaft drives the central rotating shaft 71 to rotate through the bevel gear set when rotating.

As shown in fig. 1, 2 and 5, the cross beam supporting and clamping device 4 includes two clamping blocks 41, a clamping cylinder 42 and a base 43, the clamping cylinder 42 is installed on the base 43, the clamping cylinder 42 is fixedly connected with one of the clamping blocks 41, the other clamping block 41 is fixed on the base 43, the clamping cylinder 42 pushes the clamping block 41 to move, and further clamps the middle cross beam 6, so as to firmly fix the cross beam 6 on the supporting platform 3, and prevent the cross beam 6 from freely moving in the installation process, and during the transportation and lifting process, the stability of the cross beam can be ensured, and the risks of the cross beam falling and the like are avoided, and the reliability is good. In order to facilitate the placement of the beam 6, a plurality of rollers 44 are further provided on the base 43, and the beam 6 is supported on the plurality of rollers 44 after being mounted.

The base 43 is connected with the X-direction adjusting mechanism 8, and the X-direction adjusting mechanism 8 drives the base 43 to move along the X direction, so that the transverse installation position of the cross beam 6 is adjusted. In this embodiment, the X-direction adjusting mechanism 8 is further connected to the Y-direction adjusting mechanism 9, and the Y-direction adjusting mechanism 9 drives the X-direction adjusting mechanism 8 and the base 43 to move together along the Y-direction (the direction parallel to the length direction of the cross beam 6), so that the supporting positions of the two sets of cross beam supporting and clamping devices can be adjusted according to the length dimension of the cross beam, the device can be suitable for cross beam assembling operations of various lengths, the universality of the device is further improved, and the cross beam is fixed more stably and reliably.

As shown in fig. 1, 2 and 5, the X-direction adjustment mechanism 8 includes an X-direction guide rail 81 and an X-direction drive mechanism 82, and a slide groove (not shown) is provided in the base 43 and moves on the X-direction guide rail 81. The X-direction driving mechanism 82 is a driving cylinder, the cylinder is connected to the X-direction guide rail 81 through a connecting member (not shown in the figure), and moves along the Y-direction together with the X-direction guide rail 81, the end portion of the extending end of the cylinder is fixedly connected to the base 43, and the X-direction driving mechanism 82 drives the base 43 to move along the X-direction guide rail 81. The transverse movement of the cross beam 6 can be realized, so that the fine adjustment of the installation position of the cross beam 6 is realized on the premise of not moving a tool, the X-direction pushing stroke of the cross beam 6 is 0-150mm, the height and the X-direction position of the device can be adjusted after the device enters a vehicle, the position of the cross beam 6 is adjusted, manual lifting is not needed, and the working efficiency is greatly improved.

Two guide rail seats 45 are arranged below the X-direction guide rail 81, the guide rail seats 45 are of an inverted U-shaped structure and can be slidably arranged on two aluminum alloy pipes 31 of the supporting platform 3.

As shown in fig. 1, 2 and 5, the Y-direction adjusting mechanism 9 includes two sets of pushing support brackets 91, and the beam support clamping devices 4 are respectively mounted on the two sets of pushing support brackets 91. Two sets of thrust supports 91 are mounted on the support platform 3 and are movable relative to the support platform 3. Two sets of supports 91 that tighten that push up are connected through drive mechanism 92 between, drive mechanism 92 drives two sets of supports 91 that tighten that push up and move along Y direction in opposite directions (two sets of distances that push up between the support 91 shorten) or move from opposite directions (two sets of distances that push up between the support 91 expand), also drive two crossbeam support clamping device 4 simultaneously and move in opposite directions or move from opposite directions along Y direction in opposite directions, the convenient distance of two crossbeam support clamping device 4 of length regulation according to crossbeam 6, guarantee to support stably, be favorable to improving the device's commonality simultaneously, can be applicable to the crossbeam 6 installation of various length.

In this embodiment, two sets of pushing support frames 91 are installed between two aluminum alloy pipes 31 of the support platform 3, so that the guiding function is achieved, and the height of the whole device is reduced. The pushing support frame 91 is formed by welding a frame 911 at the end part and a connecting frame 912,

the transmission mechanism 92 includes a driving motor 921, a first gear 922, a first rack 923, a first transmission gear 924, a first transmission shaft 925, a second transmission gear 926, a second gear 927, a second rack 928, and a second transmission shaft 929. Wherein, first rack 923 and second rack 928 are connected with two sets of tight support frames 91 that push away respectively, and first rack 923 and second rack 928 are connected with corresponding link 912 through the connecting plate respectively. Of course, the first rack 923 and the second rack 928 may be directly mounted on the corresponding push support bracket 91. First gear 922 and first rack 923 intermeshing, second gear 927 and second rack 928 intermeshing, driving motor 921 is connected with the one end of first transmission shaft 925, and first gear 922 and first transmission gear 924 are installed on first transmission shaft 925, and second transmission gear 926 and second gear 927 are installed on second transmission shaft 929, and first transmission gear 924 and second transmission gear 926 intermeshing. When driving motor 921 is rotatory in the forward and reverse direction, drive first transmission shaft 925 is rotatory in the forward and reverse direction, it is rotatory to drive first gear 922 and first transmission gear 924 simultaneously, first gear 922 drives first rack 923 and removes, and then it removes to drive the tight support frame 91 that pushes away of homonymy, in step, first transmission gear 924 drives second transmission gear 926 and rotates, and then it is rotatory to drive second transmission shaft 929, second transmission shaft 929 drives second gear 927 and rotates, second gear 927 drives second rack 928 and removes, second rack 928 drives the tight support frame 91 that pushes away of homonymy and removes, driving motor 921 starts the back, through forward and reverse operation, it moves or carries out the opposite motion in step to drive the tight support frame 91 that pushes away of both sides, when pushing away tight support frame 91 and removing, two guide rail seats 45 move along aluminium alloy pipe 31.

Crossbeam backstop 5 is installed and is being pushed up the outer end tip of support frame 91, and crossbeam backstop 5 is rotatable to be installed and is being pushed up support frame 91, and before crossbeam 6 installation, with crossbeam backstop 5 rotatory to horizontal position, crossbeam 6 installation back, with crossbeam backstop 5 rotatory to vertical position, support and lean on the outer terminal surface of crossbeam 6 for prevent crossbeam 6 removal in the Y direction, security and mounted position's when guaranteeing crossbeam 6 installation adjustment accuracy.

The operation process of the device is as follows:

1. the position of the two sets of beam support clamping devices 4 is adjusted according to the length of the beam 6.

2. The cross beam 6 is placed on the two groups of cross beam supporting and clamping devices 4, the cross beam 6 is fixed on the supporting platform 3 by using the two groups of cross beam supporting and clamping devices 4, and two ends of the cross beam 6 are fixed by using the cross beam stop 5.

3. The device is moved under the trolley, the position of the device is adjusted, the device is moved to the installation position of the cross beam 6, and the universal wheels 14 under the movable trolley 1 are locked.

4. The mounting position of the cross beam 6 is finely adjusted by controlling the lifting height of the lifting mechanism 2, the rotation angle of the central rotating shaft 71 and the X-direction displacement of the X-direction driving mechanism 82, and the cross beam 6 is moved to a corresponding welding position for welding.

5. After the installation of the cross beam 6 is finished, the device is moved out from the under-vehicle.

The utility model has the advantages of as follows:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. A crossbeam installation device which characterized in that: the lifting mechanism is mounted on the moving trolley, the supporting platform is rotatably mounted at the top of the lifting mechanism through the rotating mechanism, the supporting platform is provided with the beam supporting and clamping device, a beam is placed on the beam supporting and clamping device during assembly and is clamped tightly, the beam supporting and clamping device can move in the X direction and the Y direction relative to the supporting platform through the X direction adjusting mechanism and the Y direction adjusting mechanism, and beam stopping blocks used for limiting the movement of the beam are arranged at two ends of the supporting platform.

2. A beam mounting apparatus according to claim 1, wherein: the lifting mechanism consists of a scissor group and a lifting oil cylinder, and the top and the bottom of the scissor group are respectively connected with a trolley chassis and an upper table-board of the mobile trolley.

3. A beam mounting apparatus according to claim 1, wherein: the lifting range of the lifting mechanism is between 900-1700 mm.

4. A beam mounting apparatus according to claim 1, wherein: the supporting platform is a frame structure which is integrally in a long strip shape and is formed by splicing and welding two long Y-direction extending aluminum alloy pipes and a plurality of short X-direction extending aluminum alloy pipes.

5. A beam mounting apparatus according to claim 1, wherein: the rotating mechanism comprises a central rotating shaft, a driving mechanism and an auxiliary rotating device, the central rotating shaft is installed between the supporting platform and the moving trolley, the auxiliary rotating device comprises two sets of rotating wheels installed between the supporting platform and the moving trolley, the two sets of rotating wheels are respectively arranged on two sides of the central rotating shaft, the rotating wheels are installed at the bottom of the supporting platform, supporting plates are correspondingly installed on the moving trolley, the supporting plates have certain width, and when the supporting platform rotates around the central rotating shaft in a fine adjustment mode, the two sets of rotating wheels move on the two supporting plates respectively.

6. A beam mounting apparatus according to claim 1, wherein: the beam supporting and clamping device comprises two clamping blocks, a clamping cylinder and a base, wherein the clamping cylinder is installed on the base and fixedly connected with one of the clamping blocks, the other clamping block is installed on the base, and the clamping cylinder pushes the clamping block to move so as to clamp the middle beam.

7. A beam mounting apparatus according to claim 6, wherein: the base is provided with a plurality of rollers, and the crossbeam is supported on the rollers after being installed.

8. A beam mounting apparatus according to claim 6, wherein: the X-direction adjusting mechanism comprises an X-direction guide rail and an X-direction driving mechanism, a sliding groove is formed in the base and moves on the X-direction guide rail, the end portion of the extending end of the X-direction driving mechanism is fixedly connected with the base, and the X-direction driving mechanism drives the beam supporting and clamping device to move along the X-direction guide rail.

9. A beam mounting apparatus according to claim 1, wherein: y is including two sets of supports that push up to adjustment mechanism, and two sets of supports that push up are last to install crossbeam support clamping device respectively, and two sets of supports that push up are connected through drive mechanism between, and two sets of supports that push up are installed on supporting platform and portable for supporting platform, and drive mechanism drives two sets of supports that push up and move in opposite directions or back-to-back motion along Y direction in step.

10. A beam mounting apparatus according to claim 9, wherein: the beam backstop is rotatably arranged on the end part of the outer end of the pushing support frame.