CN116690097A

CN116690097A - Hard crossbeam arching assembly fixture

Info

Publication number: CN116690097A
Application number: CN202310864105.0A
Authority: CN
Inventors: 胡国; 李双才; 米丰; 任朋顺; 宋诗琪; 裴炎森; 沈栋; 何宗飞; 刘涛
Original assignee: Science and Industry Equipment Co Ltd of Wuhan Railway Electrification Bureau Group Co Ltd
Current assignee: Science and Industry Equipment Co Ltd of Wuhan Railway Electrification Bureau Group Co Ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2023-09-05

Abstract

The application relates to a hard beam arching assembly tool which comprises a bottom bracket, a plurality of supporting plates and a plurality of limiting plates, wherein the supporting plates are arranged on the bottom bracket at intervals along a first direction; the plurality of limiting plates are arranged on each supporting plate in a way that every three limiting plates form triangular arrangement; each limiting plate is configured to be provided with a clamping groove which extends away from the collet and forms an opening, and the bottom wall of the clamping groove is matched with the pipe diameter of the main rod steel pipe. A main rod steel pipe is placed in each clamping groove of the limiting plates arranged along the first direction so as to form triangular arrangement; and the web member steel pipes are welded at intervals between every two adjacent main rod steel pipes to form an arch frame. Compared with the traditional mode, the application has simple structure and is assembled, disassembled and transported by the tool. The arch centering can achieve the purpose of one-time assembly and forming, can meet the arch degree requirements of hard cross beams with various lengths, and improves the production efficiency.

Description

Hard crossbeam arching assembly fixture

Technical Field

The application relates to the technical field of steel pipe hard beam arching, in particular to a hard beam arching assembly tool.

Background

The steel pipe hard cross beam is a hard cross beam, and the hard cross beam has the advantages of being independent in machinery, free of influence among tracks, small in accident range, stable in structure, good in vibration resistance and wind resistance, strong in stability and the like. The hard span has better rigidity and high stability, and can improve the current receiving of the bow net, thereby having a series of advantages of small abrasion, reduced off-line rate and the like.

The span of the steel pipe hard beam is generally between 10M and 40M, and in order to overcome deflection generated under the action of dead weight sinking and upper load of the beam, the hard beam is arched according to 1/1000-3/1000 (arch line section is according to R200M) during production.

In the related prior art, two main rod steel pipes at the lowest point are fixed on a plane steel plate at present, each main rod steel pipe is clamped by a spring clamp, meanwhile, a web member steel pipe is placed between the two main rod steel pipes, pre-assembly is carried out by electric welding, and the single-piece steel pipe is assembled into a whole by oblique standing.

For the prior art, the angles of the web member steel pipes connected by the main rod steel pipe at the highest point and the two main rod steel pipes at the lowest point after single-piece oblique standing are difficult to control, and uneven angles of the web member steel pipes along the line are often caused. Therefore, dislocation is easy to form when the main rod steel pipe at the highest point is welded, so that the arch centering cannot ensure good prestress effect, and labor intensity is also improved.

Disclosure of Invention

Based on the expression, the application provides a hard beam arching assembly tool, which aims to solve the problem that when the existing hard beam arching assembly is carried out, the angle balance of web member steel pipes along the line is difficult to ensure due to single-piece oblique standing, and dislocation is easy to form when main rod steel pipes at the highest point are welded.

The technical scheme for solving the technical problems is as follows:

a hard beam arching assembly tooling, comprising:

a bottom support;

the support plates are arranged on the bottom support at intervals along the first direction;

the limiting plates are arranged on the supporting plates in a way that each three limiting plates form triangular arrangement; each limiting plate is configured to be provided with a clamping groove which extends away from the bottom support and forms an opening, and the bottom wall of the clamping groove is matched with the pipe diameter of the main rod steel pipe.

Further, the shoe comprises at least two support members arranged in parallel with each other and a connecting member located at least two of the support members and arranged at intervals along the first direction.

Further, the supporting plate forms a trapezoid structure, and the first inclined plane and the second inclined plane of the supporting plate are provided with adapting concave surfaces coaxial with the clamping grooves.

Further, one side of each supporting plate far away from the limiting plate is sequentially provided with at least two clamping plates which are mutually parallel and a horizontally placed limiting rod along the vertical direction; the clamping plates and the limiting rod combination are configured to limit the positions of the two main rod steel pipes at the lowest point.

Further, a bolt for reinforcing damping effect on the main rod steel pipe is arranged between the limiting rod and the bottom bracket.

Further, the device comprises at least one base platform arranged on the bottom support and a clamp arranged on at least one base platform; wherein the clamp is configured to limit movement of the main rod steel pipe at the highest point.

Further, the clamp comprises a base plate, a bearing seat arranged on the base plate, two clamping assemblies arranged along mirror images of the bearing seat, at least one driving assembly for driving the two clamping assemblies to open and close, and a bearing plate symmetrically arranged along the bearing seat and used for bearing the two clamping assemblies; the clamping assembly comprises a synchronizing rod which is arranged in parallel with the bearing seat and clamping jaws which are sleeved at two ends of the synchronizing rod.

Further, the driving assembly comprises a cam sleeved at one end of the synchronizing rod and a linear driving mechanism with an output end rotatably connected with the cam.

Further, the clamp comprises a transmission assembly, wherein the transmission assembly comprises a first gear and a second gear which are meshed with each other, and the first gear and the second gear are respectively sleeved on one synchronizing rod.

Further, the clamp comprises a fastening assembly, wherein the fastening assembly comprises two side plates which are detachably connected with the base platform and are mutually parallel, two clamping plates which are arranged opposite to each other and can accommodate the linear driving mechanism therein, and a double-head screw rod for adjusting the spacing between the clamping plates; wherein each clamping plate is connected with one side plate.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

(1) A main rod steel pipe is placed in each clamping groove of the limiting plates arranged along the first direction so as to form triangular arrangement; and the web member steel pipes are welded at intervals between every two adjacent main rod steel pipes to form an arch frame. Compared with the traditional mode, the application has simple structure and is assembled, disassembled and transported by the tool. The arch centering can achieve the purpose of one-time assembly and forming, can meet the arch degree requirements of hard cross beams with various lengths, and improves the production efficiency.

(2) When in welding operation, the clamp is used for clamping the main rod steel pipe at the highest point, so that the main rod steel pipe can be prevented from moving, the positions of the three main rod steel pipes are kept consistent, and the welding operation is facilitated.

Drawings

Fig. 1 is a schematic structural diagram of a hard beam arching assembly tool provided in an embodiment of the present application;

FIG. 2 is a schematic diagram of a shoe according to an embodiment of the present application;

FIG. 3 is a schematic diagram illustrating the assembly of a stay plate and a limiting plate according to an embodiment of the present application;

FIG. 4 is a schematic view illustrating another view angle assembly of the stay plate and the limiting plate according to the embodiment of the present application;

FIG. 5 is a schematic view of an embodiment of a clamp according to the present application;

FIG. 6 is a schematic view of a fastening assembly according to an embodiment of the present application;

FIG. 7 is a schematic view of another embodiment of a clamp according to an embodiment of the present application;

fig. 8 is an operation flowchart of a hard beam arching assembly tool provided in an embodiment of the present application.

In the drawings, the list of components represented by the various numbers is as follows:

10. a bottom support; 11. a support member; 12. a connecting member; 20. a supporting plate; 20a, a first inclined plane; 20b, a second inclined plane; 21. adapting to the concave surface; 30. a limiting plate; 40. a clamping plate; 50. a limit rod; 60. a plug pin; 70. a base station; 80. a clamp; 81. a substrate; 811. a through hole; 82. a bearing seat; 83. a clamping assembly; 831. a synchronizing lever; 832. a clamping jaw; 8321. a groove; 8322. a slip preventing protrusion; 84. a drive assembly; 841. a cam; 842. a linear driving mechanism; 85. a transmission assembly; 851. a first gear; 852. a second gear; 86. a carrying plate; 87. a fastening assembly; 871. a side plate; 872. a clamping plate; 873. double-end screw rod; 88. a base; 881. a vertical rod; 882. a first base plate; 883. and a second bottom plate.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Embodiments of the application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatially relative terms, such as "under", "below", "beneath", "under", "above", "over" and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below" and "under" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

Example 1

Referring to the accompanying drawings 1-4, the application provides a technical scheme that: the utility model provides a hard beam arching equipment frock, includes collet 10, a plurality of fagging 20 and a plurality of limiting plate 30, and a plurality of fagging 20 are arranged on collet 10 along first direction interval; the plurality of limiting plates 30 are arranged on each supporting plate 20 in a way that each three limiting plates 30 form a triangular arrangement; wherein, each limiting plate 30 is configured to have a clamping groove which extends away from the bottom support 10 and forms an opening, and the bottom wall of the clamping groove is matched with the pipe diameter of the main rod steel pipe.

It will be appreciated that each of the limiting plates 30 may be detachably connected to the stay plate 20 by means of bolts or the like; the highest limiting plate 30 may be integrally formed on the supporting plate 20 in a direction away from the bottom support 10, and the lowest two limiting plates 30 may be detachably connected to the supporting plate 20 by bolts or the like.

According to this embodiment, the main rod steel pipes are placed in the clamping grooves of each of the limiting plates 30 arranged in the first direction to constitute a triangular arrangement; and the web member steel pipes are welded at intervals between every two adjacent main rod steel pipes to form an arch frame. Compared with the traditional mode, the application has simple structure and is assembled, disassembled and transported by the tool. The arch centering can achieve the purpose of one-time assembly and forming, can meet the arch degree requirements of hard cross beams with various lengths, and improves the production efficiency.

Referring to fig. 1-2, in some embodiments, the shoe 10 includes at least two support members 11 disposed parallel to each other and a connecting member 12 disposed at the at least two support members 11 and spaced apart in a first direction.

It is understood that the supporting member 11 may have a plate-like structure, or may be i-steel, H-steel, or the like. The connecting member 12 may have a block structure, or may be square steel. The connection member 12 is detachably connected or welded by a bolt according to the material selection of the support member 11. The foregoing methods are all related art, and thus are not described in detail herein.

According to this embodiment, by doing so, not only can the shoe 10 be ensured to have a strong bearing capacity, but also the advantages of simple construction, low material cost, and easy material selection can be ensured.

Referring to fig. 1-2, in some embodiments, the stay 20 is formed in a trapezoid structure, and the first inclined surface 20a and the second inclined surface 20b of the stay 20 have an adapting concave surface 21 coaxial with the clamping groove.

According to the embodiment, the adapting concave surface 21 can avoid the first inclined surface 20a and the second inclined surface 20b from blocking the main rod steel pipe to increase the damping effect, thereby facilitating the putting in or taking out.

Referring to fig. 1 and 3 to 4, in some embodiments, a side of each stay plate 20 away from the limiting plate 30 is sequentially provided with at least two clamping plates 40 arranged parallel to each other and a horizontally placed limiting rod 50 along a vertical direction; wherein the combination of at least two clamping plates 40 and the limiting rod 50 is configured to limit the positions of the two main rod steel pipes at the lowest point.

It will be appreciated that the card 40 may be L-shaped, -shaped, etc., with shapes of-shape and being preferred.

According to this embodiment, after the two main rod steel pipes at the lowest point are placed, the clamping plate 40 and the limit rod 50 are combined, so that the welding inconvenience caused by movement during welding of the two main rod steel pipes at the lowest point can be prevented.

Referring to fig. 1 and 3-4, in some embodiments, a pin 60 is provided between the stop lever 50 and the shoe 10 to provide a damping effect to the main lever steel tube.

According to this embodiment, when the main rod steel pipe is slightly smaller in diameter, the latch 60 may be combined with the clamping plate 40 and the limiting rod 50 to further block the main rod steel pipe, so that the main rod steel pipe and the clamping plate 40 are more fastened.

Example two

Referring to fig. 1 and 5 to 7, in order to prevent the main rod steel pipe at the highest point from moving carelessly during welding, the main rod steel pipe is dislocated or is not good for welding operation. Based on the solution of the first embodiment, the present application further includes at least one base 70 disposed on the shoe 10 and a clamp 80 disposed on the at least one base 70; wherein the clamp 80 is configured to limit the movement of the highest boom steel pipe.

It will be appreciated that the number of jigs 80 may be one, two, three, etc. in sequential increments, depending on the total number of jigs 70.

According to the embodiment, during welding operation, the clamp 80 is used for clamping the main rod steel pipe at the highest point, so that the main rod steel pipe can be prevented from moving, the positions of the three main rod steel pipes can be kept consistent, and the welding operation is facilitated.

Referring to fig. 1 and 5-6, in some embodiments, the clamp 80 includes a base plate 81, a carrying seat 82 mounted on the base plate 81, two clamping assemblies 83 arranged in mirror image along the carrying seat 82, at least one driving assembly 84 for driving the two clamping assemblies 83 to open and close, and a carrying plate 86 symmetrically arranged along the carrying seat 82 for carrying the two clamping assemblies 83; the base 70 has a through hole 811 through which at least one driving component 84 can pass, and the clamping component 83 includes a synchronizing rod 831 disposed parallel to the carrier 82 and clamping jaws 832 sleeved at two ends of the synchronizing rod 831. In this embodiment, the driving assembly 84 includes a cam 841 sleeved on one end of the synchronizing bar 831 and a linear driving mechanism 842 with an output end rotatably connected to the cam 841.

It will be appreciated that there may be two drive assemblies 84, with each clamp assembly 83 being connected to one drive assembly 84.

According to this embodiment, after the placement of the highest point of the main rod steel pipe is completed, the linear driving mechanism 842 drives the two synchronizing bars 831 such that the two sets (two jaws 832 on each synchronizing bar 831 form one set) of jaws 832 move in opposite directions to clamp the highest point of the main rod steel pipe and prevent the highest point of the main rod steel pipe from moving.

Referring to fig. 1 and 5-6, in some embodiments, each clamp plate 872 is provided with a recess 8321. The movement of the highest-point main rod steel pipe can be further prevented.

Referring to fig. 1 and 5-6, in some embodiments, a cleat 8322 is disposed within each recess 8321. The main rod steel pipe at the highest point can be further prevented from moving horizontally.

Referring to fig. 1 and 5-7, in another embodiment, the clamp 80 includes a transmission assembly 85, the transmission assembly 85 including a first gear 851 and a second gear 852 that are engaged with each other, the first gear 851 and the second gear 852 being respectively coupled to a synchronization rod 831.

It is understood that the drive assembly 84 may be one, with a clamp assembly 83 coupled to one of the drive assemblies 84.

According to this embodiment, the linear driving mechanism 842 drives the synchronous lever 831 to rotate, and the other synchronous lever 831 follows the rotation by the action of the first gear 851 and the second gear 852, so that two groups (two clamping jaws 832 on each synchronous lever 831 form one group) of clamping jaws 832 move in opposite directions to clamp the highest-point main steel pipe and prevent the highest-point main steel pipe from moving.

Referring to fig. 1 and 5-7, in some embodiments, the clamp 80 includes a fastening assembly 87, the fastening assembly 87 including two side plates 871 detachably connected to the base 70 and parallel to each other, two clamping plates 872 disposed opposite each other and accommodating the linear driving mechanism 842 therein, and a double-headed screw 873 for adjusting the spacing of the clamping plates 872; wherein each clamping plate 872 is connected to a side plate 871.

According to this embodiment, the linear driving mechanism 842 can be fastened more tightly by adjusting the pitch of the double-headed screw 873, and the linear driving mechanism 842 is prevented from falling off.

Referring to fig. 1 and 5-7, in some embodiments, the clamp 80 includes a base 88 for detachably connecting the clamp 80 to the base 70, the base 88 including a plurality of uprights 881 distributed in a circumferential direction, a first base plate 882 detachably connected to the plurality of uprights 881, and a second base plate 883 detachably connected to the first base plate 882; wherein a plurality of posts 881 are detachably connected to the base 81.

According to this embodiment, the plurality of upright posts 881 are arranged to form a certain distance between the base plate 81 and the base plate 70, and a certain distance is formed between the linear driving mechanism 842 and the base plate 70, so that maintenance of the linear driving mechanism 842 is facilitated.

Referring to fig. 8, the specific implementation steps of the hard beam arching assembly tool are as follows:

step one: the three main rod steel pipes are respectively placed in the clamping grooves of the limiting plates 30 arranged along the first direction to form a triangular arrangement.

Step two: two driving components 84 or one driving component 84 and a transmission component 85 are matched to drive the two clamping components 83 to move in opposite directions so as to clamp the highest main rod steel pipe; meanwhile, a limiting rod 50 is arranged between the two main rod steel pipes at the lowest point and the clamping plate 40, and a bolt 60 is arranged between the two main rod steel pipes at the lowest point and the bottom bracket 10.

Step three: and welding web member steel pipes between every two adjacent main rod steel pipes at intervals along a first direction to form an arch frame.

The linear driving mechanism 842 is a linear motor, an air cylinder, a hydraulic cylinder, or the like. The model specification of the linear motor, the cylinder or the hydraulic cylinder and the like need to be determined according to the actual specification and the like of the device, and the specific model selection calculation method adopts the prior art in the field, so that detailed description is omitted.

The power supply of the linear motor, the cylinder or the hydraulic cylinder, etc. and the principle thereof will be clear to a person skilled in the art and will not be described in detail here.

The foregoing is only illustrative of the present application and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present application.

Claims

1. The utility model provides a hard crossbeam arching equipment frock which characterized in that includes:

a bottom support;

2. The hard beam arching assembly tooling of claim 1, wherein the shoe includes at least two support members disposed parallel to each other and a connecting member positioned between at least two of the support members and spaced apart along the first direction.

3. The hard beam arching assembly tooling of claim 2, wherein the stay plates form a trapezoidal structure and have mating concave surfaces on the first and second inclined surfaces of the stay plates that are coaxial with the clamping groove.

4. The hard beam arching assembly tooling according to claim 1, wherein one side of each supporting plate, which is far away from the limiting plate, is sequentially provided with at least two clamping plates which are mutually parallel and a horizontally placed limiting rod along the vertical direction; the clamping plates and the limiting rod combination are configured to limit the positions of the two main rod steel pipes at the lowest point.

5. The hard beam arching assembly fixture of claim 4, wherein a bolt for reinforcing damping effect on the main rod steel tube is arranged between the limiting rod and the bottom bracket.

6. The hard beam arching assembly tooling of any one of claims 1 to 5, comprising at least one abutment disposed on the shoe and a clamp disposed on at least one of the abutments; wherein the clamp is configured to limit movement of the main rod steel pipe at the highest point.

7. The hard beam arching assembly tooling of claim 6, wherein the fixture comprises a base plate, a bearing seat mounted on the base plate, two clamping assemblies arranged in mirror image along the bearing seat, at least one driving assembly for driving the two clamping assemblies to open and close, and a bearing plate symmetrically arranged along the bearing seat and used for bearing the two clamping assemblies; the clamping assembly comprises a synchronizing rod which is arranged in parallel with the bearing seat and clamping jaws which are sleeved at two ends of the synchronizing rod.

8. The hard beam arching assembly tooling of claim 7, wherein the drive assembly comprises a cam sleeved at one end of the synchronizing bar and a linear drive mechanism having an output end rotatably connected to the cam.

9. The hard beam arching assembly tooling of claim 8, wherein the fixture comprises a drive assembly comprising first and second gears intermeshed, each of the first and second gears being sleeved on one of the synchronizing bars.

10. The hard beam arching assembly tooling of claim 9, wherein the fixture comprises a fastening assembly comprising two side plates detachably connected to the base and parallel to each other, two clamping plates disposed opposite each other and accommodating the linear driving mechanism therein, and a double-ended screw for adjusting the spacing of the clamping plates; wherein each clamping plate is connected with one side plate.